Electronic component and method for producing the electronic component
The invention specifies an electronic component which has a first electrode (10), a second electrode (20), an active region (30), which is electrically coupled to the first electrode (10) and to the second electrode (20), and a housing (100), wherein the housing (100) contains carbon layers which are monoatomic at least in subregions.
Air conditioner with electronic device coupled to cooling tube
An air conditioner is provided. The air conditioner may include an electronic device, which may include a control component to drive a refrigerant cycle, and a cooling tube through which a refrigerant to cool the electronic device may flow. The cooling tube may be coupled to one side of the electronic device. The electronic device may include an electronic case having at least one through hole, an electronic board to which the control component may be coupled, the electronic board being disposed in the electronic case, at least one heat transfer plate disposed to contact the control component, the at least one heat transfer plate being coupled to the electronic case, and at least one heat sink, to which the cooling tube may be coupled, the at least one heat sink contacting the at least one heat transfer plate through the at least one through hole.
Liquid-cooling device and system thereof
A liquid-cooling device and a liquid-cooling system thereof. The liquid-cooling device includes a liquid reservoir case having a heat exchange chamber for a cooling liquid to pass through. An impeller and multiple radiating fins in adaptation to the impeller are disposed in the heat exchange chamber. The impeller serves to drive the cooling liquid to circularly flow through the radiating fins so as to efficiently dissipate heat generated by a heat generation component.
Mounting frame and rail for electronics and instrumentation enclosure
A mounting frame for an electronics and instrumentation enclosure includes two elongated supports joined by an elongated piece and four corner parts fastened to the ends of the elongated supports by a fastener. For the mounting frame to be easy and rapid to assemble and to mount inside the enclosure also at the mounting site, the ends of the elongated supports are provided with a locking tongue formed as one piece with the elongated support and extending away from a plane defined by the elongated supports, and through-hole for mounting are provided at the corner parts and arranged to receive the locking tongues of the elongated supports without clearance, the corner parts comprising a plural number of such mounting holes at a distance from one another in the longitudinal direction of the corner parts. An elongated support is provided for a mounting frame.
Top loading cartridge
A top loading cartridge is provided herein. The top loading cartridge includes a support member, a rail member, and a lock mechanism. The support member to receive an electronic module. The rail member attached to the support member to engage with a tray that receives the top loading server cartridge. The lock mechanism to lock the top loading cartridge.
Multiple graphics processing unit platform
A multiple graphics processing unit (multi-GPU) platform including a cubby chassis and at least one multi-GPU sled. The cubby chassis includes partitions defining a plurality of sled positions. The multi-GPU sled includes a chassis having a vertical sidewall and a horizontal bottom wall with an open top and an open side. A side-plane PCB is mounted to the vertical sidewall and a plurality of dividers are attached to the bottom wall and oriented perpendicular to the side-plane PCB. One or more GPU cards are connected to the side-plane PCB and are supported on the plurality of dividers. The GPU cards include a GPU PCB having a first side facing the bottom wall and an outward facing second side. A cover is coupled to the horizontal bottom wall to enclose the open side of the sled chassis and help direct airflow across the GPU cards.
Display module, display device, and method of manufacturing the same
A method of manufacturing a display device includes forming on a first substrate a display element and a metal layer surrounding the display element, the metal layer including a first portion having a first width and a second portion having a second width less than the first width, forming on a second substrate a sealing member surrounding the display element, the sealing member including a first sealing portion having a first forming width and a second sealing portion having a second forming width greater than the first forming width, arranging the first substrate and the second substrate such that the sealing member on the second substrate faces the first substrate, the first sealing portion overlaps the first portion of the metal layer, and the second sealing portion overlaps the second portion of the metal layer, and sealing the first and second substrates by melting and curing the sealing member.
Glass system for hermetically joining Cu components, and housing for electronic components
An housing for electronic components, such as LEDs and/or FETs, is provided. The housing has a base body having an upper surface that at least partially defines a mounting area for an electronic functional element, such that the base body provides a heat sink for the electronic functional element. The base body has a lower surface and a lateral surface and includes a connecting body for the electronic functional element, which is joined to the base body a glass layer formed by an alkali titanium silicate glass.
Mount for flexible display device and flexible display device
The present application discloses a mount for mounting a flexible display panel, comprising a flexible frame comprising a first end, a second end, and a mounting surface for receiving the flexible display panel, a first flexible arm attached to the first end of the flexible frame. The first flexible arm is movable between a first position such that the first flexible arm is substantially retracted into the flexible frame and a second position such that the first flexible arm is substantially extended from the flexible frame. When the first flexible arm is substantially extended from the flexible frame, the first flexible arm is capable of connecting to the second end of the flexible frame directly or indirectly and forming a ring comprising the first flexible arm and the flexible frame.
A drive unit is provided, particularly a drive unit for operating flow-control valves, comprising a housing, an electrical input, an electromechanical converter assembly, a mechanical output, and an electronic controller. The controller comprises an input unit having at least one pushbutton, which penetrates the housing and can be depressed against the action of a restoring device, and comprises a contactless switch that is actuated by the at least one pushbutton. A mechanical stop independent of the switch itself is associated with the position of the pushbutton that actuates the switch.
Conducting package structure and manufacturing method thereof
A conducting package structure includes a substrate and a conducting material. The conducting material is formed to a first patterned structure. The first patterned structure has a first surface which is connected to the substrate and a patterned second surface opposite to the first surface.
Wiring substrate, component embedded substrate, and package structure
A wiring substrate for improving connection reliability with an electronic component, a component embedded substrate that incorporates an embedded component into the wiring substrate, and a package structure including an electronic component mounted on the wiring substrate or the component embedded substrate. The wiring substrate includes a metal plate, and a wiring layer including a plurality of insulating layers and a conductive layer arranged on the plurality of insulating layers arranged on at least one principal surface of the metal plate. The plurality of insulating layers includes a first insulating layer to contact the principal surface of the metal plate and has a larger thermal expansion rate in the planar direction than the metal plate and a second insulating layer which is laminated on the first insulating layer to contact the first insulating layer and has smaller thermal expansion rate in the planar direction than the metal plate.
Mating backplane for high speed, high density electrical connector
A printed circuit board includes a plurality of layers including attachment layers and routing layers; and via patterns formed in the plurality of layers, each of the via patterns including first and second signal vias forming a differential signal pair, the first and second signal vias extending through at least the attachment layers; ground vias extending through at least the attachment layers, the ground vias including ground conductors; and shadow vias located adjacent to each of the first and second signal vias, wherein the shadow vias are free of conductive material in the attachment layers. The printed circuit board may further include slot vias extending through the attachment layers and located between via patterns.
Method for making conductive polymer, and composite film and circuit board having the conductive polymer
A method for making a conductive polymer for electromagnetic shielding purposes includes steps of mixing liquid crystal monomers, a silver complex, an initiator, and a catalytic agent in certain proportions by weight to form a mixture. A solvent is added into the mixture, the mixture and the solvent being in a ratio from 3:17 to 1:3 by weight. The mixture is heated to undergo an atom transfer radical polymerization.
Interconnect structure and method of manufacturing the same
A method for manufacturing an interconnect structure and an interconnect structure are provided. The method includes: forming an opening in a substrate; forming a low-k dielectric block in the opening; forming at least one via in the low-k dielectric block; and forming a conductor in the via. The interconnect structure includes a substrate, a dielectric block, and a conductor. The substrate has an opening therein. The dielectric block is present in the opening of the substrate. The dielectric block has at least one via therein. The dielectric block has a dielectric constant smaller than that of the substrate. The conductor is present in the via of the dielectric block.
Electrode, accelerator column and ion implantation apparatus including same
An electrode for manipulating an ion beam. The electrode may include an insert having an ion beam aperture to conduct the ion beam therethrough, the insert comprising a first electrically conductive material; a frame disposed around the insert and comprising a second electrically conductive material; and an outer portion, the outer portion disposed around the frame and comprising a third electrically conductive material, wherein the insert is reversibly detachable from the frame, and wherein the frame is reversibly attachable from the outer portion.
Gated image acquisition and patient model construction
A method and system is disclosed for acquiring image data of a subject. The image data can be collected with an imaging system with at least two different power characteristics. A volumetric model of multiple phases can be reconstructed using dynamic or enhanced reconstruction techniques.
Coordinated network of autonomous off grid powered lighting devices
A power management system for a lighting circuit may include a grid shifting controller that includes a processor and a connection to an external power source. The power management system may also include a communication interface associated with the grid shifting controller. The grid shifting controller may be configured to provide control information to a processor of at least one grid shifting electrical fixture over the communication interface, the control information being configured to direct the at least one grid shifting electrical fixture on the use of power from the external power source and an energy storage device associated with the at least one grid shifting electrical fixture.
Illumination control system
An illumination control system provides wireless data transmission with a lamp through a mobile communication device. The lamp has a built-in wireless communication module and a microcontroller. The microcontroller stores a location of the lamp with latitude-longitude values and height values. Accordingly, a user may use the mobile communication device to read the latitude-longitude values and height values of the lamps to achieve an indoor positioning function by calculating a positioning information of the user through indoor positioning algorithms, and thereby enable illumination control through the mobile communication device according to the positioning information.
Lighting device, lighting system, and external power source device
A lighting device that is capable of discriminating a type of an external power source device connected from among types of connectable devices without increasing the number of terminals of a connector. A connector is electrically connectable to an external power source device and includes a first terminal for supplying electric power from the external power source device to a main capacitor and a second terminal for discriminating a type of the external power source device. An obtaining unit obtains the information for discriminating the type of the external power source device by comparing a voltage value of a signal input to the second terminal from the external power source device with a predetermined voltage threshold when an attribute of the second terminal is set to an input. A discrimination unit discriminates the type of the external power source device by contrasting the information obtained with information stored.
Interactive cord with integrated light sources
This document describes an interactive cord with integrated light sources. An interactive cord includes a cable, and a fabric cover that covers the cable. The fabric cover includes one or more conductive threads woven into the fabric cover to form one or more capacitive touchpoints which are configured to enable reception of touch input. The fabric cover further includes one or more light sources. A controller, implemented at the interactive cord or a computing device coupled to the interactive cord, can detect touch input to a capacitive touchpoint and trigger one or more functions. In addition, the controller can control the light sources to output light to visually indicate a position of the capacitive touchpoint on the fabric cover and/or to provide feedback by outputting light responsive to detecting touch input to a respective capacitive touchpoint.
Identity-based environment adjusting techniques
A method, apparatus, and system for security and/or automation systems, for adjusting a home environment. Some method embodiments involving a lighting system may include receiving data relating to an occupant of a home from a sensor, analyzing the data, identifying the occupant based at least in part on the analyzing, and initiating an adjustment of the lighting system based at least in part on the identifying. One such embodiment may also include searching a catalog of occupant profiles, and comparing the data with the catalog of occupant profiles. Some other method embodiments may initiate adjustments to an environment based on an occupant's preferences (whether those preferences are already included in a profile, or determined by analysis) such as for example the occupant's lighting preferences (in an embodiment involving a lighting system). One method embodiment may also include correlating data relating to the occupant with the occupant's profile.
Light emitting diode luminaire device and system with color temperature tunning
A lighting device is disclosed that includes one or more master circuit boards configured to power light emitting diodes. The lighting device also includes modular light boards with arrays of light emitting diodes that interchangeably couple to the matched connectors on the master circuit board. The master circuit boards and the modular light boards are positioned within a housing with one or elongated diffuser lenses covering or embedding rows of light emitting diodes on the modular light boards. In accordance with the embodiments of the invention, master circuit boards and modular light boards are mounted in a stacked arrangement to emit light from opposed sides of the housing. In further embodiments of the invention, the lighting device includes a controller for independently controlling light output from each master circuit board.
White light emitting module and LED lighting apparatus
An LED lighting apparatus may comprise a white light emitting module including a first white LED package emitting first white light corresponding to a quadrangular region defined by (0.3100, 0.3203), (0.3082, 0.3301), (0.3168, 0.3388) and (0.3179, 0.3282) in the CIE 1931 chromaticity diagram, a second white LED package emitting second white light corresponding to a quadrangular region defined by (0.4475, 0.3994), (0.4571, 0.4173), (0.4695, 0.4207) and (0.4589, 0.4021) in the CIE 1931 chromaticity diagram, a green LED package emitting green light having a peak wavelength of 520 nm to 545 nm, and a driving controller controlling levels of luminous flux of the first white light and the second white light to select a color temperature of desired white light and controlling a luminous flux of the green LED package so as to reduce a difference between color coordinates corresponding to the selected color temperature of the white light, and a black body locus.
LED lighting systems and methods for constant current control in various operation modes
System and method for providing at least an output current to one or more light emitting diodes. The system includes a control component configured to receive at least a demagnetization signal, a sensed signal and a reference signal and to generate a control signal based on at least information associated with the demagnetization signal, the sensed signal and the reference signal, and a logic and driving component configured to receive at least the control signal and output a drive signal to a switch based on at least information associated with the control signal. The switch is connected to a first diode terminal of a diode and a first inductor terminal of an inductor. The diode further includes a second diode terminal, and the inductor further includes a second inductor terminal.
System and method for providing downloadable custom LED blinking pattern for backplane controller or enclosure management controller
Systems and methods providing a downloadable custom light emitting diode (LED) blinking pattern for a controller, which performs backplane or enclosure management. The controller has a memory, which stores data of a standard LED blinking pattern. When no custom LED blinking pattern data is available in the memory, the controller controls the LEDs to perform a standard blinking pattern based on the standard LED blinking pattern data to indicate the of the storage drives. A user may generate a custom pattern file, which contains custom LED blinking pattern data, and then use a downloading tool to download the custom pattern file to the controller, such that the memory of the controller may store the custom LED blinking pattern data. Instead of using the standard LED blinking pattern, the controller may then control the LEDs to perform a custom blinking pattern based on the custom LED blinking pattern data.
Power apparatus for LED lighting
The present invention relates to a power apparatus for an LED lighting, and more specifically, to an LED lighting comprising: a filter for blocking noise from an inputted AC power; a rectifier, which is connected to the filter, for converting AC power into DC power; a power factor compensation circuit for controlling the power factor of power received from the rectifier; a central control circuit for controlling the operation of the power apparatus for the LED lighting; and an LED control circuit for controlling power inputted through the power factor compensation circuit and providing same to an LED, wherein the power factor compensation circuit includes a bypass element connected between an input end and an output end.
Self-adjusting lighting driver for driving lighting sources and lighting unit including self-adjusting lighting driver
A lighting unit (100) includes light emitting diode (LED) modules (120, 300) and a lighting driver (110, 200) connected to the LED modules. Each LED module includes LEDs (323) and an identification current source (324) supplying an identification current to an identification current output node (180, 380). All of the identification current output nodes are connected together to supply a total identification current having a magnitude which changes in response to the number of LED modules that are connected to the lighting driver. The lighting driver includes: a controllable current source (220 & 250) to supply an LED driving current to the LEDs of the LED modules, and a controller (230) that responds to the total identification current to control the controllable current source to supply the LED driving current at a magnitude which changes in response to the number of LED modules that are connected to the lighting driver.
LED driver circuit with step configurable output
An LED driver apparatus provides discrete output current configuration. User interfaces such as dip switches enable user selection of output current settings. LED driver circuitry includes an inverter, a primary transformer winding coupled to the inverter switches and providing resonant inductance, and a secondary transformer winding coupled on a first end to an output rectifier. Various circuit branches are coupled in parallel between the output rectifier and the secondary winding, each including a switching element driven between open and closed states associated with the user-selected output current setting. The circuit branches may be coupled to respective secondary winding taps, wherein output current is regulated according to an effective turns ratio defined by the closed circuit branch. Alternatively, the circuit branches may be coupled to one end of the secondary winding but include current limiting capacitors, wherein one or more closed circuit branches define an equivalent capacitance and associated output current.
Voltage isolating current control circuits
In one example, an electrical circuit includes a first functional block with an electrical load to produce an external result, a second functional block with a voltage isolator; a third functional block with a current controller. The first, second, and third functional blocks are connected such that the external result of the electrical load is determined by the current controller acting through the voltage isolator. The voltage isolator may be configured to limit a maximum voltage across the current controller.
Neutral cell host solution providing communication to user equipments associated with different wireless providers
Systems and methods for providing host-neutral small cells include communicating with a first User Equipment (UE) at a small cell. The first UE communicates with the small cell via a first Evolved Node B (eNodeB) base station associated with a first Evolved Packet Core (EPC). The small cell further communicates with a second UE. The second UE communicates with the small cell via a second eNodeB base station associated with a second EPC. Although a different wireless carrier may be associated with each of the first and second UEs, they may both communicate with the host-neutral small cell.
Cross-technology session continuity
A wireless network of a first type receives a request for network entry from a mobile station. A service continuity query is sent to a service node. A service continuity response is received from the service node. The service continuity response includes a network access identifier. The network access identifier is determined to be associated with an existing session on a wireless network of a second type. The existing session is using a mobile internet protocol address. On the wireless network of the first type, a session is assigned the mobile internet protocol address.
Method of radio bearer establishment in dual connectivity
A method of radio bearer establishment in dual connectivity, for a first network node in a wireless communication system is disclosed. The method comprises connecting to a communication device of the wireless communication system, determines whether to establish or release at least a radio bearer for the communication device on at least a second network node, and transmitting a request message including information of the at least a radio bearers to be established or released on the at least a second network node, to the at least a second network node.
Apparatus, system and method of simultaneous connectivity to location origin transceivers
Some demonstrative embodiments include apparatuses, systems and/or methods of simultaneous connectivity to location origin transceivers. For example, a transceiver may be configured to simultaneously maintain a plurality of simultaneous Media-Access-Control (MAC) layer connections with a plurality of location origin beacon transceivers (LOBTs), and to communicate wireless communication signals with the plurality of LOBTs via the plurality of simultaneous MAC-layer connections.
User equipment with improved DRX performance
Operating a UE device having a single radio configured to communicate using a first and second RAT. The UE may begin operating in a connected discontinuous reception (CDRX) mode of the first RAT, where the CDRX mode comprises an on duration timer and an inactivity timer. The method may determine that the single radio of the UE is being used for a second RAT during the CDRX mode. The UE may operate at least one of a CDRX on duration timer or an inactivity timer of the first RAT while the single radio of the UE is being used for the second RAT. While the single radio of the UE is being used for the second RAT, the at least one of the CDRX on duration timer or the inactivity timer may operate even though no communication or monitoring is performed on the first RAT.
Method and apparatus for transmitting indication for D2D operation in wireless communication system
A method and apparatus for transmitting an indication for a device-to-device (D2D) operation in a wireless communication system is provided. A user equipment (UE) transmits an indication indicating that the UE is interested to perform a D2D operation. The D2D operation may include reception/transmission of a D2D discovery signal/D2D communication data.
Permitting direct mode communictions for public safety only in certain geographical areas
One kind of communication is referred to as device-to-device D2D communication. Misuse is an issue for this type of communication. For example a public safety network may permit D2D communication to operate in an area following a natural or other incident where the controlling network entity loses coverage. However this permission to allow D2D communication without the controlling entity can lead to users of D2D apparatus such as public safety communications devices configured for use in a first region being able to perform D2D communications in a second region in licensed bands that are illegal or not permitted. Furthermore, each device should be configured to setup an ad hoc network using D2D only in those areas where the licensed bands can be used legally by the device. Therefore, each device determines its position and blocks D2D operation when outside of a geographical area to which it was configured.
Communication device and control method thereof
A communication apparatus includes an acquisition unit, a determination unit, and a control unit. The acquisition unit acquires capability information on other communication apparatuses in a network. The determination unit determines, based on the capability information acquired by the acquisition unit, whether there is a communication apparatus having a specific function, related to data communication, to be performed after processing to set communication parameters is performed. The control unit perform controls, in response to the determination unit determining that there is a communication apparatus having the specific function, to continue the processing to set the communication parameters, and performs control, in response to the determination unit determining that there is no communication apparatus having the specific function, to terminate the processing to set the communication parameters.
Method and device for adjusting contention window value adaptively
A method and device for adjusting contention window value adaptively are disclosed. The method comprises the following steps: the number n of stations participated in a contention currently is measured; according to the number n of stations participated in the contention currently, a practical collision probability Pc of a current contention window value CWold and optimal collision probability Pcopt, under the maximum network throughput are acquired; when a data frame is sent successfully, an initial contention window value CWinit is adjusted according to the practical collision probability Pc and optimal collision, probability Pcopt; when a data frame is sent unsuccessfully, a retransmission contention window value CWnew adjusted according to said practical collision probability Pc. The above solution can better reflect network collision situation, adaptively adjust an initial contention window value and retransmission contention window value jointly.
Apparatus and method for operating resource in wireless local area network system supporting multi-user transmission scheme
The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as a Long Term Evolution (LTE). A method for operating a resource in a first device in a wireless local area network (WLAN) system supporting a multi-user transmission scheme is provided. The method includes determining a number of resource allocation request messages acceptable at a timing point; and transmitting information related to the number of resource allocation request messages, wherein a resource allocation request message is acceptable if the first device is capable of allocating a resource to a second device that transmits the resource allocation request message at the timing point.
Method and apparatus for accessing channel
A method and an apparatus for accessing a channel are disclosed. The method of an STA accessing a channel may comprise the steps of: and STA that is operable in a power-saving mode switching from a sleep state to an active state during a beacon interval; the STA monitoring a channel access parameter frame after being switched to the active state; the STA receiving the channel access parameter frame from an AP, wherein the channel access parameter frame includes EDCA set determining information; and the STA accessing a channel using an EDCA parameter determined on the basis of the EDCA set determining information, wherein the channel access parameter frame can be transmitted at least once between beacon intervals.
Random access method and user equipment
The present invention disclose a random access method and user equipment, which relate to the field of communications and improve the transmission efficiency and reliability of a UE for sending a message to a base station in a random access process. The specific solution includes: sending a random access preamble sequence to a base station through a first antenna, so that the base station obtains the antenna number of the UE according to the random access preamble sequence, wherein the first antenna is any antenna of multiple antennas of the UE; judging whether a random access response sent by the base station is received within a preset time threshold; and sending a layer 2 or layer 3 message to the base station by using multiple antennas according to a preset rule if the random access response is received. The present invention is applied to the random access process.
Maximum away duration
Systems and methods for establishing associations on a wireless network, where the associations require a device to be available to the requesting device for a portion of time within a maximum time away period, are disclosed. In one aspect, a method includes determining, by the apparatus, of a time period during which the access point can be accessible to the apparatus, the generating of a message identifying the time period, and the transmitting of the generated message to another apparatus.
Method for performing uplink transmission control of an electronic device, and associated apparatus
A method for performing uplink (UL) transmission control of an electronic device and an associated apparatus are provided, where the method includes the steps of: determining a set of UL transmission patterns for a dedicated physical data channel (DPDCH) and a dedicated physical control channel (DPCCH), wherein one of the set of UL transmission patterns indicates whether UL transmission of a plurality of slots of one of the DPDCH and the DPCCH in at least one transmission time interval (TTI) is required, respectively; and performing UL transmission of the DPDCH and the DPCCH according to the set of UL transmission patterns, wherein with aid of a UL transmission pattern for the DPDCH within the set of UL transmission patterns, UL transmission of at least one slot of the DPDCH is prevented in the at least one TTI. The method may include selecting one of multiple sets of UL transmission patterns.
Scheduling and processing method and apparatus for WiFi station
A scheduling and processing method and apparatus for a wireless fidelity (WiFi) station (STA), which resolve a prior-art problem that when multiple STAs are connected to WiFi by means of one access point (AP), due to bandwidth contention, once a STA sensitive to a radio frequency signal is connected to the WiFi, the STA may occupy almost all bandwidth for data exchange, causing a decrease in quality of service of data transmission of the other STAs. The method includes the following steps: acquiring network connection information, within a predetermined time, of STAs that are connected to a WiFi network by means of an AP; sorting the network connection information of the STAs in accordance with priorities according to a predetermined algorithm, to obtain a level list of the STAs; and scheduling and processing to-be-processed data of a corresponding STA according to the level list.
Signaling method for comp scheme and apparatus therefor
A method for link adaptation in a wireless communication system, the method performed by a user equipment (UE) and including measuring a channel state at a first time instance, reporting a measurement value of the channel state, and receiving scheduling based on the reported measurement value of the channel state from a serving base station at a second time instance. Traffic generation of a neighboring base station is restricted at least between the first time instance and the second time instance to accord the reported measurement value of the channel state with a channel state at the second time instance.
Terminal for D2D communication and rejecting interference method thereof
A terminal for performing device-to-device (D2D) communication, according to an embodiment of the present invention, includes an antenna configured to transmit/receive an uplink channel signal and a downlink channel signal, a duplexer configured to separate a transmission/reception signal of the antenna into the uplink channel signal and the downlink channel signal, a switch configured to switch the uplink channel signal in a time division duplex (TDD) scheme so as to separate the uplink channel signal into an uplink transmission block and a first reception block, and a second reception block configured to convert the downlink channel signal provided from the duplexer into a baseband.
Method and system for component carrier selection based on content type
A method and system for selecting carrier frequencies to use as a user equipment device's (UE's) primary component carrier (PCell) and secondary component carrier (SCell) for carrier aggregation service, based on consideration of the type of content that will be transmitted to or from the UE. A base station that is arranged to operate on a plurality of carrier frequencies may determine a type of content that will be communicated between the base station and a UE being served by the base station. Based on the determined type of content, the base station may select a first carrier frequency of the plurality to use as a PCell and may further select a second carrier frequency of the plurality to use as an SCell. The base station may then provide the UE with carrier aggregation service concurrently on the PCell and SCell.
Method and apparatus for transmitting data frame in WLAN system
A method is provided for transmitting a data frame by a station in a wireless local area network. The station obtains a transmission opportunity (TXOP) for a bandwidth, the TXOP indicating an interval of time during which the station has a right to initiate frame exchange sequences onto wireless medium. The station sets a transmit bandwidth parameter of a non-initial physical layer protocol data unit (PPDU) of a plurality of PPDUs to be transmitted during the TXOP based on a transmit bandwidth parameter of a preceding PPDU of the plurality of PPDUs. The transmit bandwidth parameter of the non-initial PPDU is set to be same or narrower than the transmit bandwidth parameter of the preceding PPDU. A bandwidth indicated by the transmit bandwidth parameter of the non-initial PPDU or the preceding PPDU includes at least one of 20 MHz, 40 MHz and 80 MHz. The station transmits the non-initial PPDU during the TXOP.
Compensation for excess transmission opportunity time
Methods, systems, and devices are described for efficient use of transmit opportunities (TXOPs) through adjustment of contention window backoff time values to compensate for one or more TXOPs that may exceed a TXOP limit. A contention window value may be increased, for example, to provide other devices in the network with a fair opportunity for network access based at least in part on one or more TXOPs that exceed the TXOP limit. Allowing one or more transmissions to exceed a TXOP limit may provide enhanced efficiency as compared to having multiple transmissions.
Method and apparatus for transceiving a data frame in a wireless LAN system
A method of transmitting a data frame by a transmitter in a WLAN system is provided. The method includes generating a data block including at least one data units respectively transmitted through at least one or more spatial streams to at least one receiver, transmitting first control information to the at least one receiver, transmitting second control information to each receiver, and transmitting the data block to the at least one receiver. The first control information includes a length indicator for the data block, a MIMO indicator indicating whether the data block is for SU-MIMO or MU-MIMO, and a spatial stream indication field including information about the number of the spatial streams. The second control information includes a FEC coding field indicating an encoding scheme applied to the data unit and an MCS field indicating an MCS applied to the data unit.
Method and apparatus of transmitting PPDU in wireless communication system
A method is provided for transmitting a physical layer protocol data unit (PPDU) in a wireless communication system. For a first data stream associated with a first PPDU to be transmitted via a first channel, a wireless device includes a first data block, a first header indicating a first modulation and coding scheme (MCS), and a first physical layer service data unit (PSDU) in the first data stream. For a second data stream associated with a second PPDU to be transmitted via a second channel, the wireless device includes a second data block, a second header indicating a second MCS and a second PSDU in the second data stream. The wireless device performs a padding procedure to at least one of the first data stream and the second data stream, and transmits the first data stream and the second data stream by using the first PPDU and the second PPDU.
System and method for resource management in a communications system
A method for operating a communications controller includes defining a positive integer quantity of resource element groups from a resource block with a positive integer number N resource elements in each resource element group, the resource block having a total number of resource elements, the total number of resource elements consisting of available resource elements and reserved resource elements. The method also includes assigning a plurality of available resource elements to fill in each of the positive integer quantity of resource element groups with N available resource elements in each resource element group, and blocking any unassigned available resource elements from being used in a resource element group. The method further includes interleaving a plurality of control messages onto the positive integer quantity of resource element groups, and transmitting the positive integer quantity of resource element groups.
A communication system is presented in which a communication device communicates, in at least one communication cell operated by communication apparatus, using a plurality of subframes, wherein each subframe comprises a plurality of communication resources. A respective measure of communication quality associated with each of the communication resources is obtained and a search space, comprising a set of the communication resources, is defined based on the measures of communication quality. The mobile device searches for control information in the defined search space.
Method of handling downlink control information and related communication device
A method of arranging downlink (DL) control information (DCI) for a network of a wireless communication system comprises configuring first DCI for a communication device of the wireless communication system; and transmitting the first DCI in a control region of a first physical DL shared channel (PDSCH) of a first subframe of a first component carrier to the communication device.
Method of handling hybrid automatic repeat request feedback and related communication device
A method of handling a hybrid automatic repeat request (HARQ) feedback in a subframe for a first communication device in a wireless communication system comprises determining whether the HARQ feedback exists in a physical HARQ indicator channel (PHICH) in a downlink (DL) control region of the subframe transmitted by a network of the wireless communication system according to a first uplink (UL)/DL configuration of the first communication device and a second UL/DL configuration of a second communication device in the wireless communication system communicating with the network; detecting the HARQ feedback in the PHICH of the subframe, if the HARQ feedback exists in the PHICH; and detecting the HARQ feedback according to DL control information (DCI) in a physical DL control channel (PDCCH) in the DL control region, if the HARQ feedback does not exist in the PHICH.
Network-assisted LTE channel acquisition
In one embodiment, the present disclosure provides an IRP manager configured to query at least one eNB to determine physical layer cell identification and/or LTE band information associated with one or more cell coverage areas associated with the at least one eNB and determine an optimal physical layer cell identification and LTE band for at least one cell associated with the at least one eNB. The optimal physical layer cell identification and/or LTE band may be based on, for example, network topology statistics (e.g., current cell coverage area, etc.), traffic load, etc. The optimal physical layer cell identification and/or LTE band information may be utilized by at least one UE within a coverage area of a WLAN AP to provide cell connection in the event the at least one UE falls outside the coverage area of a WLAN AP.
Method, user equipment and base station for transmitting uplink control information
The disclosure discloses a method for transmitting uplink control information. The method includes: receiving, by a user equipment, a carrier activation command or a carrier deactivation command in a downlink subframe n; updating a first downlink activated carrier set according to the received carrier activation command or the carrier deactivation command into a second downlink activated carrier set; taking the second downlink activated carrier set as a current downlink activated carrier set corresponding to a first uplink subframe which belongs to a subframe set of an uplink subframe n+k and uplink subframe(s) after the uplink subframe n+k; sorting X piece(s) of Uplink Control Information (UCI) corresponding to X downlink carrier(s) according to a sorting rule, and transmitting the sorted X pieces of UCI to a base station in the first uplink subframe.
Method and apparatus for performing initial ranging for machine to machine communication service in a mobile communication system
Provided is an INitial ranging (IN) method for a Machine to Machine communication service in a mobile communication system. The IN method includes if the presence of a terminal attempting IN is recognized, determining whether a service the terminal wants to receive is a mobile communication service or a Machine to Machine communication service; and setting an indicator indicating to use Ranging Preamble (RP) code partition information for available in the determined service, and transmitting ‘IN-related control information for mobile communication’ including the indicator to the terminal.
Transceiver hopping communications system
One embodiment of the present invention sets forth a wireless communications system configured to efficiently operate within an arbitrarily and uniquely defined set of channels. Each one of the set of channels has an assigned digital radio transceiver instance configured to operate according to transmission requirements that are unique to the corresponding channel. A set of digital radio transceiver instances comprises a meta-transceiver, which enables communications to one or more other devices via one or more digital radio transceiver instances.
Combined simulcasting and dedicated services in a wireless communication system
An efficient method for providing both dedicated and simulcast services over a common wireless infrastructure is described. The services can be available to a single terminal as well as to a multiplicity of terminals simultaneously. The method uses time division multiplexing and orthogonal frequency division multiple access for simulcasting information and transmitting dedicated message information from a plurality of base stations forming a cellular pattern over the same wireless frequency channel. The method comprises the steps of constructing frames for transmission by the plurality of base stations comprising control information, simulcast information and dedicated message information within predetermined time slots of the frames and allocating the simulcast information and the dedicated message information to time slots of the same frame predetermined by the control information of the frame. The underlying modulation technology used is OFDM and thereby the channel delay-dispersion is minimized.
Modifying a device notification
For modifying a device notification, an indication module detects a user awareness indication of a device notification for a device. A notification module modifies the device notification in response to detecting the user awareness indication and concurrently maintains a notification response option.
Use of low energy bluetooth beacons to locate field equipment and personnel
A management system for a plant facility is disclosed. The system includes a server, a mobile terminal, and beacon transmitters. The beacon transmitter is attached to or embedded into a field device in the plant facility and broadcasts a beacon signal including an identifier of the field device. The server includes a display, a storage that stores process data corresponding to the identifiers, and a controller that receives wireless signals including the identifiers from the mobile terminal and identifies the process data corresponding to the identifiers received with the wireless signals. The mobile terminal includes a display, a beacon receiver that receives the beacon signals, and a controller that transmits the wireless signals to the server with the identifiers received with the beacon signals. At least one of the displays of the server and the mobile terminal displays the process data identified by the controller of the server.
Use of RF-based fingerprinting for indoor positioning by mobile technology platforms
A method is provided for determining the position of a mobile technology platform within a structure, wherein the mobile technology platform is equipped with a gyroscope, a magnetometer and at least one accelerometer. The method includes deploying a set of RF (radio frequency) beacons within the structure, wherein each RF beacon emits an RF signal; recording, at each of a set of sampling locations within the structure, the RF signature created by the RF signals received at the location; forming an RF fingerprint of the structure from the recorded RF signatures; and using the RF fingerprint, in conjunction with readings from the gyroscope, magnetometer and at least one accelerometer to determine the location of the device within the structure.
Secondary cell synchronization for carrier aggregation
A carrier aggregation application method is provided of attaining time synchronization to a secondary cell for a wireless communication device usable in a cellular communication network. The method comprises, if a time reference of the secondary cell is unknown to the wireless communication device: setting a preliminary time reference of the secondary cell to equal a time reference of a primary cell of the carrier aggregation application; performing a synchronization signal based detection of the time reference of the secondary cell based on the preliminary time reference and one or more synchronization signals transmitted in the secondary cell; performing preliminary time reference based channel state measurements of the secondary cell based on the preliminary time reference and one or more reference signals transmitted in the secondary cell; setting, based on the synchronization signal based detection, a value of a channel quality indicator to either a nominal value or a value based on the preliminary time reference based channel state measurements; and transmitting a channel state information report comprising the channel quality indicator to the cellular communication network. An arrangement for a wireless communication device usable in a cellular communication network, adapted to attain time synchronization to a secondary cell of a carrier aggregation application is also disclosed. A modem comprising the arrangement and wireless communication device comprising the arrangement are also disclosed.
Method and apparatus for providing common time reference in wireless communication system
A terminal and method of performing device-to-device (D2D) communication by a terminal in a wireless communication system is provided. The method includes determining if a signal including synchronization information is received via at least one of an uplink and a downlink; and when the signal including the synchronization information is not received, transmitting a synchronization information-containing signal.
Systems and methods for blocker margin sizing by an automatic gain control
A method for dynamic sizing of a blocker margin by a receiver automatic gain control (AGC) is described. The method includes measuring a wanted signal level and a blocker signal level. The method also includes adjusting a linear target for the wanted signal level at the output of an analog-to-digital converter (ADC) of the receiver based on the blocker signal level. The linear target is adjusted to optimize a wanted signal signal-to-noise ratio (SNR) and the blocker margin. The method further includes adjusting a receiver front-end gain based on the adjusted linear target.
Power control for devices having multiple antennas
Power control for devices having multiple transmit antennas are disclosed, including power control methods for Physical Uplink Control Channel (PUCCH) and Sounding Reference Signal (SRS) transmissions for a wireless transmit/receive unit (WTRU). The PUCCH and SRS power control methods include selecting a multiple input multiple output (MIMO) mode and changing the power of the PUCCH or SRS transmission based on the selected MIMO mode. Another power control method estimates an antenna gain imbalance (AGI) for a WTRU having at least two transmit antennas. The AGI is based on measuring a Reference Signal Received Power (RSRP) on each transmit antenna. Each transmit antenna is then scaled by an AGI scaling factor based on the estimated AGI.
High-frequency signal processing apparatus and wireless communication apparatus
A high-frequency signal processing apparatus and a wireless communication apparatus can achieve a decrease in power consumption. For example, when an indicated power level to a high-frequency power amplifier is equal to or greater than a second reference value, envelope tracking is performed by causing a source voltage control circuit to control a high-speed DCDC converter using a detection result of an envelope detecting circuit and causing a bias control circuit to indicate a fixed bias value. The source voltage control circuit and the bias control circuit indicate a source voltage and a bias value decreasing in proportion to a decrease in the indicated power level when the indicated power level is in a range of the second reference value to the first reference value, and indicate a fixed source voltage and a fixed bias value when the indicated power level is less than the first reference value.
Clear channel assessment (CCA) threshold adaptation method
Methods and apparatuses are described herein for adapting clear channel assessment (CCA) thresholds with or without Transmit Power Control (TPC) are disclosed. An IEEE 802.11 station (STA) may dynamically calculate a STA specific transmit power control (TPC) value and a STA specific clear channel assessment (CCA) value based on a target TPC parameter and a target CCA parameter. The target TPC parameter and the target CCA parameter may be received from an IEEE 802.11 cluster head configured to control TPC and CCA for a plurality of STAs associated with the BSS. The target TPC parameter and the target CCA parameter also may be related. The STA may then determine whether a carrier sense multiple access (CSMA) wireless medium of a wireless local area network (WLAN) basic service set (BSS) is occupied or idle based on the STA specific CCA value.
Data frame sending method and apparatus, and data frame receiving method and apparatus
The present invention provides a data frame sending and receiving method and apparatus. The data frame sending method includes: receiving, by a first access point, first interference power parameters fed back by associated stations of the first access point, and receiving second interference power parameters sent by a second access point; if determining that a channel on which the first access point works is currently being occupied by the second access point, determining to-be-scheduled stations and transmission powers of the first access point for the to-be-scheduled stations, sending scheduling indication signaling at the determined transmission powers, and receiving scheduling indication response signaling sent by a schedulable station; and sending a data frame to the schedulable station at a transmission power corresponding to the schedulable station among the determined transmission powers.
Method and apparatus for controlling transmit power in wireless communication system
A method is provided for transmitting a physical uplink control channel (PUCCH) in a wireless communication system supporting multiple antennas. The method is performed by a user equipment (UE) having a first antenna port and a second antenna port, and configured for using a multiple-antenna transmit mode for transmission using multiple antennas and a single-antenna transmit mode for transmission using a single antenna. The UE determines that the multiple-antenna transmit mode is to be used for transmitting the PUCCH, and determines a transmit power offset value to be added to a transmit power of the PUCCH depending on a PUCCH format to be used for transmitting the PUCCH using the first and second antenna ports. The UE transmits the PUCCH by using a first PUCCH resource through the first antenna port, and transmits the PUCCH by using a second PUCCH resource through the second antenna port.
Method and device for controlling uplink power
Provided is a method for controlling uplink power, which includes that: a Node B makes statistics on a transmit Total Power (TP) value of all users in a cell, compares the obtained transmit TP value with a received TP threshold value of the cell, and when it is determined that the transmit TP value is smaller than the received TP threshold value of the cell and a difference between the transmit TP value and the received TP threshold value is smaller than an abundance threshold, allows a user satisfying an intervention strategy of the cell to increase power. A device for controlling uplink power is also provided.
Son automatic transport capacity control
The present disclosure relates to embodiments of a method and a network element for real-time adjustment of the energy consumption of a data communications network. The network comprises a number of network elements connected by transport links. User activity status is determined based on status information from user activity monitor. An activity status is determined by aggregating available activity status from activity status reports for each downlink connection and the most recent determined user activity status. The determined activity status is sent in activity status reports upstream, and the performance of associated transport links and internal network element components is adjusted and regulated in accordance with the determined activity status.
Method for minimizing power consumption and electronic device implementing the same
A method of minimizing power consumption of an electronic device is provided. The method includes receiving a signal through a plurality of receivers of the electronic device, checking a status of the received signal, determining whether the received signal satisfies a preset amplifier control condition based on the status of the received signal, and adjusting a gain of an amplifier, which is connected to a receiver of the plurality of receivers, in response to the preset amplifier control condition when the preset amplifier control condition is satisfied.
Beacon-poll frames are transmitted from a station (STA) to a wireless AP in an opportunistic manner. In response to receiving a beacon-poll frame, the wireless AP transmits a unicast beacon frame to the STA, thereby eliminating the need for the STA to periodically wake up to receive broadcast beacon frames from the AP. The wireless AP may transmit the unicast beacon frame at a higher speed than a conventional broadcast beacon frame. As a result, the time that the STA must be awake to receive the unicast beacon frame is significantly less than the time that the STA must be awake to receive a conventional broadcast beacon frame, thereby resulting in significant power savings within the STA. The wireless AP may aggregate downlink (DL) data packets to be transmitted to the STA with the unicast beacon frame, resulting in further power savings within the STA.
Method for performing random access procedures and terminal thereof
A random access procedure between a mobile terminal and a network is performed based upon the characteristics of a RACH preamble. If the RACH preamble was explicitly signaled by the network, a downlink channel is monitored until a new transmission is indicated according to radio resource allocation information received from the network. If the RACH preamble was not explicitly signaled by the network, a contention resolution timer is started and the downlink channel is monitored until the contention resolution timer expires. Such monitoring of downlink channels in a more efficient manner, results in effective reduction in power consumption.
System and method for a wireless security and automation system
A security and automation system comprising a controller, the controller comprising a device memory, a processor, a display and communication interfaces, a controller application installed in the device memory of the controller and modules in communication with the controller, each of the modules comprising a processing unit, a WLAN chipset, a power unit and peripherals. For discovery and enrollment the modules are configured to operate as access points and, after said enrollment of the modules to the controller, the controller is configured as an access point by instructions processed by the processor of the controller and the modules are configured as stations to form a wireless intranet.
A communication apparatus which communicates with a base station, the communication apparatus includes a receiving circuit configured to receive a message from the base station, wherein the message includes at least information identifying if the base station is a hybrid access mode base station; and a transmission circuit configured to transmit a parameter which identifies a user equipment to the base station when the base station is the hybrid access mode base station.
Method for synchronizing a mobile station to a base station
The invention relates to a method for synchronizing a mobile station to a base station, comprising in the base station a act of generating an information about a frequency of a channel which is used to transmit data about the identity of the base station and a act of transmitting the information from the base station to the mobile station.
Apparatus and method for optimizing resource usage within a group of communication devices
A method and apparatus for wireless communication device connectivity management includes receiving one or more metrics from at least two members of a group whose members are wireless communication devices. The members of the group have agreed to share resources within the group and have their wireless connections controlled by a wireless connectivity entity. The method and apparatus also includes managing the wireless connections of the at least two members by the connectivity management entity, based on the one or more metrics, to share resources between the at least two members.
Method for selecting target cell and terminal
Embodiments of the present invention disclose a method for selecting a target cell and a terminal, comprising: acquiring, by a terminal, signal strengths of a serving cell and signal strengths of neighboring cells according to a predetermined time period; determining a candidate target cell set, where the candidate target cell set includes neighboring cells whose first strength parameters are greater than a first strength parameter of the serving cell at a specific moment; detecting signal change trends, which are within a predetermined time length before the specific moment, of the neighboring cells in the candidate target cell set; determining that a neighboring cell in a set of neighboring cells whose signal change trends satisfy a first state in the candidate target cell set is a target cell, where the first state is a stable trend and/or an ascending trend; and reselecting the target cell as a serving cell.
Communication control device, communication control method, and terminal device
[Object] To make it possible to suppress deterioration in communication quality of radio communication in a small cell while power consumption of a base station of the small cell is reduced.[Solution] Provided is a communication control device including: an acquisition unit configured to acquire a result of measurement performed by a terminal device with regard to one or more small cells which are partly or entirely overlapped by a macrocell; and a selection unit configured to select a base station which is not to be set in an idle state from base stations of the one or more small cells based on the result of the measurement.
Cellular service recovery using cell-specific service history
This disclosure relates to cellular service recovery techniques using cell-specific cellular service history information for an accessory device. According to some embodiments, cellular service history information relating to cellular service loss occasions for each of one or more cells from which the accessory device has previously lost cellular service may be stored. It may be determined that cellular service loss is currently occurring from a cell for which cellular service history information relating to cellular service loss occasions is stored. Cellular service recovery may be attempted using the cellular service history information relating to cellular service loss occasions for the cell from which the current cellular service loss is occurring.
Signaling design to support in-device coexistence interference avoidance
A method of implicit signaling to support In-Device coexistence interference avoidance is provided. A UE sends an IDC interference indication to an eNB. The indication indicates that a serving frequency becomes unusable due to a coexistence interference problem. The indication does not explicitly indicate a frequency index or a frequency location of the unusable serving frequency. The eNB determines the serving frequency as unusable in an implicit manner. The eNB also determines an implied unusable frequency region based on the received IDC indication. The implied unusable frequency region is between the serving frequency and the ISM band. In one advantageous aspect, the eNB configures a condition for the UE, such that the UE is refrained from sending IDC interference indications unless the condition is satisfied.
Cell handover method and apparatus
The present invention belongs to the field of communications, and discloses a cell handover method and a device. The method includes: determining, by a first base station to which a primary carrier cell belongs and according to a measurement report sent by user equipment UE, whether soft handover needs to be performed for the UE; if soft handover needs to be performed for the UE, transferring, by the first base station, a radio bearer RB between the first base station and the UE to a second base station to which a secondary carrier cell belongs; and selecting, by the first base station, a target cell according to the measurement report, and handing over the UE to a target base station to which the target cell belongs. The present invention can avoid service interruption caused when cell handover is performed for UE.
Method and UE for performing random access to base station, and method and base station for establishing connection with UE
The present disclosure relates to a method used in a UE for performing a random access to a second base station and an associated UE. The UE has been in communications with a first base station. The method includes: obtaining from the first base station a subframe configuration for the UE, which indicates a first set of subframes assigned to communications between the UE and the first base station and a second set of subframes assigned to communications between the UE and the second base station; and performing the random access to the second base station based on the subframe configuration. The present disclosure also relates to a method used in a second base station for establishing a connection with a UE and an associated second base station.
Device and method for basic service set transition management
A method, station and computer readable storage medium used to perform a roaming procedure. The method performed by the station including determining whether a roam is to be performed, the station being associated with a first access point (AP), receiving network related information for at least one second AP, determining a score value for each of the at least one second AP based upon the network related information, the score value being either a quantitative score calculated as a function of a respective received signal strength indicator (RSSI) value and a respective load value or a qualitative score calculated as a function of a preference value and the RSSI value, selecting one of the at least one second AP based upon the score values and roaming from the first AP to the selected one of the at least one second AP.
Assisted management of radio resources across dual networks
A user equipment (UE) operating in a communication system comprising a base station and one or more UEs. The UE may be configured to operate on or “camp” on two different networks with one radio. In this exemplary system, the radio may be normally connected to the first network (NW1) and may from time to time be “tuned away” from NW1 to a second network (NW2). The UE may inform NW1 that it has tuned away to another network, e.g., using start and end indicators. This information may prevent NW1 from wasting downlink capacity by unnecessarily allocating downlink resources to the UE during the tune-away. Alternatively, or in addition, this information may prevent NW1 from penalizing the UE, e.g., by reducing its future downlink allocations, since the UE does not respond to NW1 commands during the tune-away.
Method for determining transport block size and signal transmission method using the same
A method for receiving, by a first device, data from a second device. The first device receives modulation and coding related information and resource related information for a transport block with a size for the data, and receives second cyclic redundancy check (CRC) attached code blocks to which a first CRC attached transport block corresponding to the transport block is mapped. The first device obtains the transport block with the size from the second CRC attached code blocks based on the modulation and coding related information and resource related information. The modulation and coding related information and the resource related information represent the size of the transport block. The size of the transport block is one of a plurality of predetermined transport block sizes. The plurality of predetermined transport block sizes are predetermined such that all the second CRC attached code blocks have a same size as each other.
Determining noise levels in electronic environments
Various approaches discussed herein enable establishing a wireless data connection between one or more devices. A signal to noise ratio (SNR) is determined for the wireless connection, based on an estimate of internal noise associated with a wireless networking component. Another SNR determination is then made, using data such as a Modulation and Coding Scheme (MCS) index value corresponding to the connection, and the difference between the two SNR determinations may be utilized to determine a noise estimate that takes both internal and external noise into account and is utilized as part of baseband signal demodulation.
Network traffic event management at the client terminal level
A method of queuing network traffic events on a client terminal. The method comprises monitoring, in run time, a plurality of network traffic events triggered by a plurality of applications executed on a client terminal, extracting a plurality of network traffic event characteristics of each of the plurality of network traffic events, classifying each one of the plurality of network traffic events according to a respective the plurality of network traffic event characteristics, clustering the plurality of network traffic events in a plurality of clusters according to the classifying, and managing an opening a plurality data connections between the client terminal and a network such that the content of each cluster of the plurality of clusters is transmitted in another of the plurality data connections.
Apparatus and method of reporting logged measurement in wireless communication system
A method and apparatus of reporting logged measurements in a wireless communication system is provided. A user equipment in a Radio Resource Control (RRC) connected mode receives Minimization of Drive Tests (MDT) configuration from a base station and starts a validity timer upon receiving the MDT configuration. The user equipment in an RRC idle mode logs measurements based on the MDT configuration to collect logged measurements while the validity timer is running. When the validity timer is expired, the user equipment discards the MDT configuration.
Wireless local area network with spatial diagnostics
A diagnostic system for spatial diagnosis of the WLAN includes: a sounding aggregator and a spatial correlator. The sounding aggregator is configured to aggregate multiple-input multiple-output (MIMO) channel state information (CSI) from channel soundings of the WLAN, including channel soundings between a wireless access point (WAP) node and associated station nodes on a selected one of a plurality of communication channels of the WLAN. The spatial correlator is coupled to the sounding aggregator and configured to correlate CSI from the channel soundings with spatial characteristics of the WLAN including at least one of: a change in location of a WLAN node, human activity among the WLAN nodes, and structural impediments among WLAN nodes.
Mobile communication system, and carrier measurement method in the mobile communication system
The present invention defines a method for a terminal capable of aggregating multiple carriers to perform measurement to the carriers efficiently in a mobile communication system. The present invention is directed to the 3GPP LTE (Long Term Evolution or 3GPP LTE-A (LTE-Advanced) system that is currently discussed in the 3GPP (3rd Generation Partnership Project) as an example of the communication system to which the present invention is applied.
Method and apparatus for acquiring system information in wireless communication system
A method and user equipment (UE) are described. The UE performs a handover from a first cell to a second cell. The UE performs a procedure for acquiring system information of the second cell from a cell determined between the first cell and the second cell based on whether the UE has a physical broadcast channel (PBCH) cancellation capability. The procedure is determined according to a cell range extension (CRE)-related capability of the UE.
Wireless transmitter network analysis tool
A handheld wireless transmitter network analysis tool has a transceiver for detecting wireless signals from a transceiver of a smart device used in an automated process control. The tool has a processor with program modules for analyzing the spectrum of received wireless signals and noise. Another memory module includes a device description protocol program for reading tag and primary variable data carried by the wireless signals from smart device. The network tool displays the frequency and spectrum of the wireless signal from smart device, the tag and primary variables for device, the signal to noise ratio and the possible identity of the sources of noise.
Method and apparatus for base station self-configuration
Disclosed is method and apparatus for operation of a base station in wireless communications, including self-configuration of the base station for secure and authenticated communications with other base stations.
Distributed channel sampling across a mesh network
In embodiments of distributed channel sampling across a mesh network, a commissioning device propagates a scanning request, which includes a number of scanning parameters, to nodes in a mesh network, causing the nodes to perform energy detection (ED) scans using the scanning parameters. The commissioning device receives energy measurements in scanning reports from the nodes and analyzes the measurements to determine an operating channel for the mesh network. The commissioning device updates the operating channel in network configuration information that is sent to a leader device in the mesh network, for propagation to the mesh network.
Performance enhancements for frequency reuse and time division multiplexing in a licensed assisted access system
Techniques and apparatuses for wireless communication are described herein. According to some possible aspects, a base station may determine a random number to be used in association with performing a clear channel assessment (CCA) in a licensed assisted access (LAA) network. The base station may determine the random number in coordination with one or more other random numbers determined by one or more other base stations. The base station may determine, based on the random number, a time to perform the CCA to reduce or prevent conflicts with the one or more other base stations.
Disabling a mobile device that has stolen hardware components
A first hardware component identifier may be read for a first hardware component of a computing device. The reading of the first hardware component identifier for the first hardware component may be performed by a processor of the computing device reading a read-only memory of the first hardware component. A second hardware component identifier and an alert indicator over a network may be received. The second hardware component identifier and the alert indicator may correspond with the first hardware component. The first hardware component identifier may be compared with the second hardware component identifier. The computing device may be disabled when the first hardware component identifier matches the second hardware component identifier and the alert indicator indicates that the first hardware component has been reported stolen.
Using successive levels of authentication in online commerce
A method comprising performing following acts on a network server: receiving a communication from a client terminal operated by a client; performing a first authentication of the client terminal or client; in response to the first authentication, delivering a first service to the client; after delivering the first service, sending an offer for a second service to the client terminal; receiving an acceptance message for the second service from the client terminal; performing a second authentication of the client terminal and/or the client; in response to receiving the acceptance message for the second service from the client terminal and to the second authentication being successful, delivering a second service to the client; wherein the first authentication and the second authentication use different authentication techniques. Other aspects include a programmed data processing apparatus for carrying out the method and a tangible program carrier instructing the apparatus to perform the acts.
Collaborative method and system to improve carrier network policies with context aware radio communication management
An information handling system includes a wireless adapter that communicates with a network policy engine at a service provider to provide feedback on a network access policy of the service provider, an application processor that executes instructions of a context aware radio resource management system that determines one or more optimal wireless link options for communicating with a recipient user via a wireless link from among communication link options available from the service provider.
Secure data interaction method and system
Provided are a secure data interactive method and system, the method including: scanning, by a terminal, an intelligent cipher token in a signal coverage range and obtaining identification information of the intelligent cipher token; conducting a mutual authentication between the terminal and a background system server, and/or conducting a mutual authentication between the terminal and the intelligent cipher token; obtaining, by the terminal, user information corresponding to the intelligent cipher token based on the identification information of the intelligent cipher token; and storing, by the terminal, the user information into a pre-established current user list.
Method and apparatus for seamless out-of-band authentication
In an embodiment, at least one non-transitory computer readable storage medium includes instructions that when executed enable a system to: request, by an authentication logic of the system during a multi-factor authentication of a user of the system to obtain access to a first service, a token to be sent from a second system associated with the first service to a third system associated with the user; receive, in the authentication logic, the token from the third system without user involvement via a secure channel; and send the token from the authentication logic to the second system to authenticate the user. Other embodiments are described and claimed.
Mobile device management
Methods and apparatuses that enroll a wireless device into an enterprise service with a management server addressed in a management profile are described. The enrollment may grant a control of configurations of the wireless device to the management server via the management profile. In response to receiving a notification from the management server, a trust of the notification may be verified against the management profile. If the trust is verified, a network session may be established with the management server. The network session may be secured via a certificate in the management profile. Management operations may be performed for management commands received over the secure network session to manage the configurations transparently to a user of the wireless device according to the control.
Management of wireless communication devices by a mobile control device
Systems, methods, and software that enable a mobile control device to manage wireless communication devices. The mobile control device receives a user-type instruction indicating a user-type and a map instruction indicating a geographic area. In response to receiving these instructions, the mobile control device displays on a touch display a geographic map indicating the wireless communication devices of the selected user-type that are located within the selected geographic area. The user touches the display through the geographic map to select some wireless communication devices of the selected user-type within the selected geographic area. The mobile control device receives an activation instruction for the selected ones of the wireless communication devices and in response, wirelessly transferring an activation message indicating the activation instruction for the selected ones of the wireless communication devices for delivery to and execution by a wireless network control system.
Context-aware resource management for video streaming services
The increasing amount of internet traffic from video streaming services, in addition to users requesting more personalized content and creating/sharing video content, has led to a huge demand for highly scalable and efficient distribution of video content, especially with mobile computing devices. Embodiments provide a network and service infrastructure better suited to these video content distribution and mobility needs. More intelligence is provided in the network infrastructure through an awareness of the user status/activity, end-user device, and content characteristics in correlation with the network bandwidth conditions. In this view of adding more intelligence in the network, additional communication is utilized between the service platform and the network to identify content characteristics (e.g., video content, content encoding characteristics), network characteristics, and device characteristics.
Mobility indicator for UE transmission
Methods and systems for determining a no-mobility status for a user equipment (UE) in a wireless network. The UE may receive an indicator related to mobility of the UE, and determine, from the received indicator, that the UE has a no-mobility status. The UE may transmit an indication of its no-mobility status to the wireless network. The no-mobility status may be used by the network to select a UE to serve as a UE-to-UE relay (UUR).
Dual-mode device for voice communication
A terminal for use in a voice communications system includes a base station and at least one handset arranged to communicate wirelessly with the base station. The base station includes a first interface to a packet data network and a second interface to a public switched telephone network, the base station being arranged to selectively establish a packet data call from the first interface and a public switched telephone call from the second interface.
Techniques for heuristically determining coordinates in a wireless network
A technique for a network entity to locate a first device and a second device within a communication network is described. The technique receives measurement data from the first device and the second device, appends the received measurements data to a database that includes prior measurement data, and determines coordinate values for each of the first device and the second device based on the measurement data and at least a portion of the prior measurement data. The technique may further determine a location distribution for one of the first device and the second device with respect to the network entity and determine a statistical coordinate value for the first device and the second device. The location distribution may be adjusted based on whether the device is mobile or stationary.
Predictive user assistance
Techniques for predictive user assistance are described. A mobile device can learn movement patterns of the mobile device. The mobile device can construct a state model that is an abstraction of locations where the mobile device stayed for sufficient amount of time. The state model can include states representing the locations, and transitions representing movement of the mobile device between the locations. The mobile device can use the state model, a current location of the mobile device, and a current time to determine a predicted future location of the mobile device at a given future time. Based on the predicted location and the given future time, the mobile device can predict what assistance a user of the mobile device may request. The mobile device can then provide the assistance to the user before the given future time.
Method for detecting context of a mobile device and a mobile device with a context detection module
A method for detecting a context of a mobile device (100) equipped with sensors (111, 121, 122, 131) and a context detection module (109) in which the sensors (111, 121, 122, 131) are assigned to at least two groups (110, 120, 30), each of which comprises at least one sensor (111, 121, 122, 131), and each group (110, 120, 130) is allocated a group classifier (116, 126, 136) 10 adapted to detect, in a form of a classification result, currently identified, by means of a given classifier, context of the device (100) based on indications of the sensors (111, 121, 122, 131) belonging to the given group, characterized in that with a use of the context detection module, whereas the groups (110, 102, 130) of sensors are ordered hierarchically, and the device context is detected 1 by reading a classification result indicated by the classifier (116, 126, 136) of the currently active group, wherein in case of detection of an identified context in the active group, switching on power supply of the sensors and activating classification in a group (110, 120, 130) with a level higher by one level and reading the context indicated by said group's classifier, wherein based on the 20 results of the classification indicated by the higher groups' classifiers (116, 26, 136), executing adaptation of the configuration of lower groups' classifiers (116, 126, 136).
Method and system for obtaining location information regarding a device in a wireless network
A method for execution by at least one entity in a wireless communication environment, comprising: receiving a request for location information pertaining to a subscriber device; obtaining contextual information regarding the request; and formulating a positioning request for transmission to the device, wherein depending on the contextual information, the positioning request is formulated to instruct the device to retrieve location information from a first or a second type of location establishment entity. Also, a method for execution by at least one entity in a wireless communication environment, the method comprising: receiving a request for location information pertaining to a device; determining that the device is equipped with both a built-in location establishment entity and a removable location establishment entity; consulting an information database to select one of the location establishment entities; instructing the device to retrieve location information from the selected location establishment entity.
Location-aware multimodal communication system
A system and method for providing a multimodal list of transceiver devices to a remote terminal is disclosed. A positioning unit determines a location of a remote terminal. A processor identifies transceivers for communicating in at least a first communication mode and a second communication mode according to the location of the remote terminal. The processor retrieves information about the identified transceivers from a database and generates a multimodal list. The processor causes a transceiver to transmit the multimodal list of transceiver devices to the remote terminal using a communication mode of the remote terminal.
System, method, and computer program for intelligent radio state switching for geographically fixed access points
A system, method, and computer program product are provided for intelligent radio state switching for geographically fixed access points. In use, a location associated with a mobile device is determined, using minimal energy drain on a battery of the mobile device. Additionally, it is determined whether the location is associated with a known desired geographical area for accessing at least one communication network. Further, at least one transceiver of the mobile device is turned on for accessing the at least one communication network when it is determined that the location is associated with the known desired geographical area.
Relationship management for vehicle-sharing systems
A vehicle-share relationship management system is presented herein. The vehicle-share relationship management system includes a short-range wireless communication (SRWC) module, mobile computing device, vehicle communication platform (VCP), and remote entity. The SRWC is located in a vehicle and configured to communicate with the mobile computing device and at least one vehicle system. The VCP is located within the vehicle, the VCP configured to communicably couple with the SRWC module and configured to generate one or more data transmissions. The remote entity configured to receive the one or more VCP data transmissions. Moreover, the SRWC module collaborates with the vehicle system and mobile computing device to generate one or more notices, the SRWC module subsequently collaborates with the VCP to transmit the one or more notices to the remote entity. In response to the one or more notices, the remote entity communicates one or more notifications to the VCP.
Signal processor and signal processing method
A signal processor includes an input unit that receives a first audio signal and a second audio signal including mutually correlated components, a delay unit that delays the first audio signal received at the input unit by a prescribed delay time, a synthesis unit that synthesizes the first audio signal having been delayed by the delay unit with the second audio signal received at the input unit, and outputs a third audio signal resulting from synthesis, and a frequency band restriction unit that restricts a level of the first audio signal before the synthesis in a prescribed frequency band including a frequency of a dip occurring at a lowest frequency among a plurality of dips occurring in a frequency characteristic of the third audio signal as a result of the synthesis performed by the synthesis unit.
Audio reproduction system and method for reproducing audio data of at least one audio object
An audio reproduction system for reproducing audio data of at least one audio object and/or at least one sound source of an acoustic scene in a given environment comprising: at least two audio systems acting distantly apart from each other, wherein one of the audio systems is adapted to reproduce the audio object and/or the sound source in a first distance range to a listener and another of the audio systems is adapted to reproduce the audio object and/or the sound source in a second distance range to the listener, wherein the first and second distance ranges are different and possibly spaced apart from each other or placed adjacent to each other; and a panning information provider adapted to process at least one input to generate at least one panning information for each audio system to drive the at least two audio systems.
Generating an audio signal from multiple microphones based on uncorrelated noise detection
An audio capture device selects between multiple microphones to generate an output audio signal depending on detected conditions. When the presence of wind noise or other uncorrelated noise is detected, the audio capture device selects, for each of a plurality of different frequency sub-bands, an audio signal having the lowest noise and combines the selected frequency sub-bands signals to generate an output audio signal. When wind noise or other uncorrelated noise is not detected, the audio capture device determines whether each of a plurality of microphones are wet or dry and selects one or more audio signals from the microphones depending on their respective conditions.
Electronic devices and method for thermal monitoring of an electro-mechanical actuator
Method to perform thermal monitoring of an electro-mechanical actuator included in a device starts by receiving an in-field calibration temperature from a temperature sensor included in the device. The device may also receive an in-field calibration resistance from a resistance calculator included in the device. A calculated thermal coefficient of resistivity of the electro-mechanical actuator is then computed using an equation that relates the calculated thermal coefficient of resistivity to the in-field calibration temperature. The calculated thermal coefficient of resistivity changes based on the in-field calibration temperature. The equation includes parameters that are stored in the device. A temperature estimate of the electro-mechanical actuator is them computed based on the calculated thermal coefficient of resistivity. Other embodiments are also described.
System with speaker, transceiver and related devices
An audio system includes a base station, an interface that enables wireless transmission of audio content from a handheld media device to the base station, and one or more remote speakers configured to receive the audio content from the base station. The base station includes a housing, a speaker integrated within the housing to produce an audible signal from the audio content provided by the handheld media device, and a transceiver integrated within the housing for wirelessly transmitting the audio content to the one or more remote speakers. The one or more remote speakers are configured to wirelessly relay the audio content, thereby to supply the audio content beyond the transmission range of the transceiver.
Apparatus and method for determining parameter using auditory model of hearing loss patient
An apparatus and method are provided to determine a parameter using an auditory model of a hearing loss patient. The parameter determination apparatus determines a similarity between a neurogram of a normal subject and a neurogram of a hearing loss patient, and determines an optimal frequency band for the hearing loss patient based on the similarity.
RIC assembly with thuras tube
A hearing aid assembly comprising a receiver comprising a front chamber and a back chamber being acoustically coupled to respective front and back chamber openings, and acoustical guiding means for guiding air from at least one of the front and back chamber openings to an air mixing zone for mixing air from the front and back chamber openings. The mixing of air from the front and back chambers enhances the low-frequency response of the hearing aid assembly.
Hearing aid antenna with symmetrical performance
Left/Right (L/R) hearing assistance device (HA) symmetrical performance of the antenna is highly desired when using the same HA design for both the left and the right ears. Physical symmetry and loading of the antenna, both internal and external to the HA, is usually not possible because the antenna should avoid the microphone, battery, and switch locations within the HA. Described herein are antenna structures, hearing assistance devices with integrated antennas, and methods of wireless communication in hearing assistance devices which create symmetrical (L/R) antenna performance with physically asymmetrical antenna designs.
Hearing device adapted for estimating a current real ear to coupler difference
The application relates to a hearing device comprising an ITE-part adapted for being located at or in an ear canal of a user, a configurable signal processing unit for processing an input signal, and a feedback estimation unit for providing a current estimate of an acoustic feedback path from an output transducer to an input transducer, a memory for storing frequency dependent reference estimates of the acoustic feedback path the real ear to coupler difference, when the ITE-part is correctly mounted, an optional probe signal generator for generating a probe signal at least in a specific measurement mode, wherein the hearing device is configured to perform measurement of the current estimate of the acoustic feedback path. The hearing device further comprises a control unit operatively connected to said memory and to said signal processing unit, and configured to compare said current estimate of the acoustic feedback path with said reference estimate of the acoustic feedback path, and to provide a current feedback path difference measure, and to determine a current estimate of real ear to coupler difference from the current feedback path difference measure. This has the advantage facilitating the mounting of the ear ITE-part. The invention may e.g. be used in hearing aids for compensating a user's hearing impairment.
Method and apparatus for analyzing and visualizing the performance of frequency lowering hearing aids
A method of analyzing performance of frequency lowering hearing aids. The method includes generating a sequentially of noise signals and transmitting acoustical sounds from a sound output device in response to the sequence of noise signals. A sound input device records the acoustical sounds and saves as a first device data. The sound input device with a frequency lowering hearing aid records the acoustical sounds and save as a second device data. The second device data is compared to the first device data and, in response to the comparison, at least one function of the frequency lowering hearing aid is optionally adjusted.
Audio apparatus, audio system, image display apparatus, and image projection apparatus
An audio apparatus includes a housing, a piezoelectric vibration unit provided to the housing and having a piezoelectric element, and a communication unit for receiving an audio signal. When a received audio signal is applied to the piezoelectric element while a load of the audio apparatus is applied to the piezoelectric vibration unit, the piezoelectric element is deformed causing deformation of the piezoelectric vibration unit, whereby a contact surface in contact with the audio apparatus vibrates and generate a sound.
Speaker with a coil stabilizer and method for manufacturing the same
A speaker and method for making the same are provided. The speaker includes a permanent magnet and a coil disposed about a first axis around the permanent magnet, the coil being configured to move along the first axis. The speaker further includes a membrane attached to a top surface of the coil and a stabilizer contacting at least one of an internal surface, an external surface, and a bottom surface of the coil, and configured to limit movement of the coil relative to a second axis perpendicular to the first axis.
A transducer including a driven element and a magnet assembly. The magnet assembly is coupled to the driven element and includes a first and a second magnet, and a ferrous member. Each of the magnets have a first and second magnetic pole. The first magnetic pole of the first magnet and the first magnetic pole of the second magnet being proximate to each other and facing each other thereby defining a first magnetic zone therebetween, the first magnetic poles being similar, and the second magnetic poles being similar. The ferrous member couples a substantial amount of the magnetic field emanating from the second magnetic poles and directing the substantial amount of the magnetic field to a gap between the ferrous member and the first magnetic zone.
A speaker is provided in the present disclosure. The speaker includes a shell, a magnetic system and a vibrating system received in the shell. The vibrating system includes a membrane module and a coil assembly connecting to the membrane module for driving the membrane module to vibrate. The magnetic system includes a first magnet module and a second magnet module. The first magnet module and the second magnet module are opposite to each other to form a magnetic gap, and the coil assembly is arranged in the magnetic gap. The coil assembly includes a coil and a coil support for supporting the coil. The first magnet module includes a pair of first grooves formed at two opposite edges thereof, the first grooves are adjacent to the membrane module and face the coil assembly.
Method and system for audio broadcast using lighting devices
The present disclosure provides an audio broadcast system and method using lighting devices. The audio broadcast system includes a primary lighting device and secondary lighting device(s). Each lighting device includes a Bluetooth module and an audio broadcast module. The primary lighting device and the secondary lighting device(s) are connected to form a wireless transmitting linking path through the Bluetooth modules. The Bluetooth module of the primary lighting device is configured to receive a first audio data from an external device, and to send the first audio data to the secondary lighting device(s). The Bluetooth modules of the secondary lighting device(s) are configured to receive the first audio data from the connected primary lighting device or from connected other secondary lighting device(s). The audio broadcast modules of the primary lighting device and the secondary lighting device(s) are configured to broadcast the first audio data.
Generating an audio signal from multiple microphones based on a wet microphone condition
An audio capture device selects between multiple microphones to generate an output audio signal depending on detected conditions. When the presence of wind noise or other uncorrelated noise is detected, the audio capture device selects, for each of a plurality of different frequency sub-bands, an audio signal having the lowest noise and combines the selected frequency sub-bands signals to generate an output audio signal. When wind noise or other uncorrelated noise is not detected, the audio capture device determines whether each of a plurality of microphones are wet or dry and selects one or more audio signals from the microphones depending on their respective conditions.
Sound source localization device, sound processing system, and control method of sound source localization device
A sound source localization device, which has a plurality of sound pickup devices which record a sound signal and specifies a direction of a sound source based on sound signals recorded by at least two sound pickup devices of the sound pickup devices, includes a notification device that notifies information based on an arrangement of the sound pickup devices.
An in-ear earphone including a housing, a speaker unit and an earpad is provided. The housing has a tube portion. The speaker unit is disposed inside the tube portion. The earpad has a connecting portion and a wrapping portion connected to the connecting portion. The connecting portion is assembled to an audio outlet end of the tube portion. The connecting portion and the speaker unit are surrounded and wrapped by the wrapping portion. Only the tube portion exists between an annular sidewall of the speaker unit and the wrapping portion.
System and/or method for enhancing hearing using a camera module, processor and/or audio input and/or output devices
An apparatus comprising a camera, a microphone, a speaker and a processor. The camera may be mounted to a first portion of a pair of eyeglasses. The microphone may be mounted to a second portion of the pair of eyeglasses. The speaker may be mounted to the pair of eyeglasses. The processor may be electronically connected to the camera, the microphone and the speaker. The processor may be configured to (i) associate a visual display of the movement of the lips of a target received from the camera with an audio portion of the target received from the microphone, (ii) filter sounds not related to the target, and (iii) play sounds not filtered through the speaker.
Microphone with a rotating connector
A microphone assembly comprising: a microphone for converting an acoustic signal to an electrical microphone signal; a tube enclosing at least a part of a first conductor for conducting the microphone signal, the tube comprising a rigid first tube part and a rigid second tube part. The first tube part has a first primary tube end and a first secondary tube end, wherein the microphone is attached at the first primary tube end. The second tube part has a second primary tube end and a second secondary tube end. A first rotating connector between the first tube part and the second tube part allows rotating the first tube part in relation to the second tube part about a first rotation axis.
Loudspeaker assembly in a vehicle using expandable material
A method for mounting a loudspeaker carrier in a vehicle. The method includes providing a loudspeaker carrier and providing an expandable material. The method further includes arranging the expandable material between the loudspeaker carrier and a mounting site on bodywork of the vehicle and activating the expandable material such that the material expands, forming a foam structure, and causes the loudspeaker to be secured to the bodywork.
Adaptive compensation control method and module, and optical switching system
An adaptive compensation control method for optical communications technologies, which includes acquiring optical label information of an optical signal, where the optical label information carries information about a destination receive port of the optical signal, determining, according to the information about the destination receive port of the optical signal, a switching path, in an optical switch switching matrix, of the optical signal, and determining an optical switch compensation value of the optical signal according to a preset compensation value of each optical switch cell on the switching path, where the optical switch compensation value is used to compensate the optical signal.
Mechanism for remote safety monitoring sensor with low-power consumption communication
Disclosed is a sensing platform including a server; one or more remote sensing systems coupled to the server, one or more local sensor(s) for target object monitoring; a wireless module coupled to a network through wireless a link; and a processor to read data from local sensor(s) and communicate information through the network using the wireless module. The sensing system has a low power consumption mode in which the processor puts the wireless module and the local sensor(s) in sleep mode or powered off. The processor has a sleep or deep sleep mode, a power-off mode, and a wake up mode, and the local sensor(s) are accessed at a frequency 1/T1 and the wireless module is at lower frequency 1/Tw where Tw>T1, and the server receives monitored value from remote sensing systems and interacts with the remote sensing system.
Methods and systems for sensing ambient conditions using passive radio frequency (RF) devices
Disclosed are various embodiments of systems and methods related to measuring one or more ambient conditions within a confined environment. A telemetry monitoring system comprises a magnetic resonator disposed within a confined environment. The magnetic resonator may be passively energized by an interrogating antenna situated outside the confined environment. Resonant signal responses emitted from the magnetic resonator may be analyzed to determine one or more ambient conditions within the confined environment.
Method and apparatus for generating information associated with a lapsed presentation of media content
Aspects of the subject disclosure may include, for example, generating a summary of a missed portion of a media program, identifying subject matter in a segment of content in the media program that has not been presented, determining a particular time for presenting the summary according to the subject matter in the segment of content, and initiating a presentation of the summary at the particular time. Other embodiments are disclosed.
Content processing apparatus and method for providing an event
A method and apparatus for providing an object corresponding to output content are provided. The method includes outputting content on a screen, extracting a fingerprint of the content at predetermined time intervals, transmitting the extracted fingerprint to a server, receiving event information related to the content, and in response to an output mode being set as a first mode, displaying an object corresponding to the content on the screen, and in response to the output mode being set as a second mode, displaying additional information of the object corresponding to the content on the screen.
Unified media program guide systems and methods
An exemplary method includes a media program guide system 1) providing, for display on a display screen, a media program guide user interface that includes a grid of cells representing scheduled-type media content and on-demand-type media content, and a selector window positioned relative to the grid of cells to select a cell included in the grid of cells, and 2) selectively configuring a feature of the selector window based on whether the cell selected by the selector window represents the scheduled-type media content or the on-demand-type media content. Corresponding systems and methods are also described.
Apparatus and method for aggregating media content
A video content source includes a processor and a media module executed by the processor. The media module identifies available on-demand media content, organizes on-demand media content by provider and associates on-demand media content by category. Aggregated on-demand media content is formed in a non-temporal grid organized by provider and category. The non-temporal grid may include various combinations of providers, categories and on-demand media content instances.
Optimal provisioning and management of bandwidth in a video-on-demand services architecture
A video-on-demand server includes interface modules each providing a communication interface between the video-on-demand server and a switching network; an interface to a management module to monitor and provide to the video-on-demand server information on video-on-demand bandwidth utilization of network resources allocated to particular service groups, each service group including video-on-demand customers sharing a same fixed network bandwidth allocation; each interface module communicatively coupled to service groups simultaneously via service gateways; a total bandwidth of the server is an aggregate bandwidth of all the interface modules, and is less than an aggregate bandwidth of all service groups assigned to be serviced by the server, the switching network configured to make the server available for receiving video on demand service requests from all of the service group customers simultaneously; the server adapted to dynamically assign bandwidth of the server to service groups, by adapting the switching network to dynamically change communication connections between interface modules and service groups, the adaptations to the switching network based upon information about the bandwidth utilization of network resources received from the management module.
Predictive content placement on a managed services system
A distributed stochastic learning agent analyzes viewing and/or interactive service behavior patterns of users of a managed services system. The agent may operate on embedded and/or distributed devices such as set-top boxes, portable video devices, and interactive consumer electronic devices. Content may be provided with services such as video and/or interactive applications at a future time with maximum likelihood that a subscriber will be viewing a video or utilizing an interactive service at that future time. For example, user impressions can be maximized for content such as advertisements, and content may be scheduled in real-time to maximize viewership from across all video and/or interactive services.
Virtual service delivery platform
A system, computer-implemented method and a computer-readable medium for accessing content on a plurality of computing devices from a plurality of independent frameworks. The system includes a virtual backend service (VBS) platform. A plurality of independent frameworks hosted on the VBS platform, where each independent framework is configured to provide access to an independent set of applications that provide a service over a network. The system also includes a configuration module for configuring each computing device in the plurality of computing devices to access the set of applications particular to the independent framework, wherein the configuring dynamically switches access of each computing device between the independent frameworks, and access the service from each framework by the configured computing device.
Mobile search-ready smart display technology utilizing optimized content fingerprint coding and delivery
A method for a mobile search-ready smart display system containing a smart display having a screen and at least one mobile device having a camera including extracting a plurality of video fingerprints from an ongoing content displayed on the screen. The ongoing content has video frames corresponding to the video fingerprints; determining one or more representative video fingerprints of the video frames from the plurality of video fingerprints; generating one or more encoded representative video fingerprints through encoding the one or more representative video fingerprints into a pixel translucency change; and delivering the one or more encoded representative video fingerprints via a screen-camera communication. The method also includes optimizing the encoding of the one or more representative video fingerprints and the delivering of the one or more encoded representative video fingerprints to find a balance between an error resilience and transmission time.
Practical delivery of high quality video using dynamic adaptive hypertext transport protocol (HTTP) streaming (DASH) without using HTTP in a broadcast network
A method for content delivery using dynamic adaptive hypertext transport protocol (HTTP) streaming (DASH) without using HTTP. The method includes receiving a media presentation description (MPD) file and one or more DASH segments by a client device. Information in the MPD file is used to filter the one or more DASH segments. The filtered DASH segments are stored in a segments buffer. Particular DASH segments are requested from the segments buffer by the client device based on the information.
Apparatus and method for media play in home network
A control device and a computer program product configured to complete the functions of determining that a task needs to be executed, where the task is a task to distribute the media content to a media play apparatus, acquiring device information of the multiple media distribution devices, selecting an available media distribution device from the multiple media distribution devices according to the device information, where the available media distribution device may be configured to process the media content such that the media content has an adaptive media stream format suitable for the media play device, and assigning, when there are multiple available media distribution devices, at least one segment of the media content to each of the available media distribution devices such that the multiple available media distribution devices jointly process the media content.
Reception device, transmission device, and data processing method
A device and a method for realizing accurate TTML subtitle data display control are provided. A TTML subtitle data storage packet storing TTML subtitle data as payload of a MMT packet defined in the MMT format, and a signaling message including subtitle-related information corresponding to the TTML subtitle data are transmitted from a transmission device to a reception device. The signaling message defines therein a time mode (TMD) as subtitle display timing control mode, and an operation mode (OPM) of selectively performing instant display of subtitles or TTML description-based display thereof, and the reception device can conduct display control in a designated mode.
Intelligent scheduling of DVR commands and DVR client status updates
A computer device may include logic configured to detect a change in a digital video recorder (DVR) recording list associated with a customer and generate an updated DVR recording list based on the detected change. The logic may be further configured to generate a schedule for an update notification for a DVR device associated with the customer and send an update notification to the DVR device associated with the customer based on the generated schedule.
Media content synchronized advertising platform apparatuses and systems
The MEDIA CONTENT BASED ADVERTISING SURVEY PLATFORM APPARATUSES AND SYSTEMS (“AD-SURVEY”) transforms user advertisement exposure data via AD-SURVEY components, into ad effects data including user responses to survey questions. A system is disclosed, comprising: a memory; a processor disposed in communication with said memory, and configured to issue a plurality of processing instructions stored in the memory, wherein the processor issues instructions for obtaining TV program schedule listing data including a plurality of ad tags at a server; providing the obtained TV program schedule listing data to a user mobile device, receiving a user media program selection message from the user mobile device; retrieving an ad tag associated with the user selected media program from the TV program schedule listing data; extracting key terms from the ad tags based by parsing ad contents; querying a survey question list based on the extracted key terms; generating and sending a survey question from the query to the user mobile device; and obtaining a user reaction to the survey question.
Broadcast schedule synchronized digital video recorder
A disclosed example may accurately start and stop a recording of an event based on accurate event scheduling information from a channel broadcaster. A start time and stop time for a recording of the event may be scheduled according to EPG data. In response to determining that the channel is a controlled channel, which includes accurate event scheduling information provided by a channel broadcaster, a recording may be initially scheduled for the event according to the EPG data with an extended duration of a predetermined time value. The digitally encoded transport stream may be continuously monitored to detect a new event and the detected new event may then be mapped to the event. As a result, the recording time of the event may be accurately updated by extracting a set of parameters from the accurate event schedule information of the new event.
Video on demand gifting
A system receives, from a first user device associated with a giver, a request for a video-on-demand (VOD) gift, wherein the request identifies a recipient and a VOD selection. The system creates a billing event corresponding to the VOD gift, for an account associated with the giver, and generates a coupon code for the VOD gift. The coupon code is associated with the identified recipient and the VOD selection. The system sends, to a second user device associated with the recipient, an indication of the VOD gift that includes the coupon code. The system receives, from a third user device associated with the recipient, the coupon code and provides, to the third user device, information to enable access to VOD content corresponding to the coupon code.
Systems and methods for providing media asset recommendations for a group
Systems and methods are described herein for providing media recommendations for a group. A media guidance application may identify a group comprising at least a first user and a second user and select a media asset of which the first and second users have previously accessed less than a duration of the media asset. For example, each of the first and the second users may have watched only a respective portion of the media asset. The media guidance application may determine a first amount of the media asset duration that the first user has accessed the media asset and a second amount of the media asset duration that the second user has accessed the media asset. Based on the first and second amounts of the media asset duration, the media guidance application may provide a recommendation for the media asset to the group.
Dynamic bandwidth allocation for non-real time operations
Methods, systems, and computer readable media can be operable to facilitate dynamic bandwidth allocation for non-real time operations. The processing of real time operations may be prioritized over the processing of non-real time operations by reducing the amount of device resources and bandwidth that are allocated to non-real time operations. A maximum bandwidth for non-real time operations may be determined and dynamically adjusted, wherein the maximum bandwidth is based upon the bandwidth available to a device that is not being used for the processing of real time operations. Bitrates at which non-real time operations are processed may be dynamically adjusted such that the maximum bandwidth is not exceeded by the processing of the non-real time operations.
Generic indication of adaptation paths for scalable multimedia
A file format structure for use with scalable video coding systems and methods, where a rate share operation box indicates which adaptation operation points for coded media are available in a file. The rate share operation box can include a characterization of the adaptation result for each adaptation operation point. In addition, the rate share operation box can include an identifier that indicates which algorithm was used in generating each adaptation operation point.
Source device, content providing method using the source device, sink device and controlling method of the sink device
A source device for transmitting content to a sink device is provided. The source device may include an interface configured to perform high-bandwidth digital content protection (HDCP) authentication with the sink device, and a controller configured to determine an HDCP version supported by the sink device, convert the content so as to be encrypted in the HDCP version supported by the sink device in response to a determination that another HDCP version applied to the content is not supported by the sink device, encrypt the converted content in the HDCP version supported by the sink device, and control the interface to transmit the content to the sink device.
Stream boundary marking for dynamic content replacement
The implementation provides for controlled dynamic content replacement within media content. The media content is encoded in its original form with markers marking segments for time or condition triggered replacement. Each marker is provided a type. A request link is generated for requesting the media content. The link encodes control data for the different marker types. In response to a media content request, the server scans encoded chunks of the media content for markers. From the request link, the server obtains the control data for an identified marker type and determines whether to replace the content based on triggering of the control data. This allows advertising content to remain as part of the media content until reaching a certain number of impressions or a certain time. Thereafter, the content is dynamically replaced with temporally relevant content or other content from an ongoing campaign during real-time media content playback.
Reference picture signaling
An encoded representation of a picture of a video stream is decoded by retrieving buffer description from the encoded representation. The buffer description information is used to determine at least one picture identifier identifying a respective reference picture as decoding reference for the picture. A decoded picture buffer is updated based on the determined picture identifier. The encoded representation of the picture itself comprises the information needed by a decoder to identify the reference pictures required to decode the encoded representation.
Method and apparatus for deriving temporal motion vector prediction
A method and apparatus for deriving a motion vector predictor (MVP) for a motion vector (MV) of a current block of a current picture in Inter, or Merge, or Skip mode. The method selects a co-located block corresponding to a co-located picture, receives one or more reference motion vectors (MVs) of one or more co-located reference blocks associated with the co-located block, and determines a search set that includes one or more search MVs associated with said one or more co-located reference blocks. The method further determines a search order for the search set having an order associated with a reference list attribute for a first search MV and a second search MV associated with an identical co-located reference block. Finally, the method determines the MVP for the current block based on the search set and the search order, and provides the MVP for the current block.
Moving picture coding apparatus, moving picture coding method, and moving picture coding program, and moving picture decoding apparatus, moving picture decoding method, and moving picture decoding program
A motion vector predictor candidate generation unit derives a plurality of motion vector predictor candidates by prediction from first coded prediction blocks neighboring a prediction block subject to coding within the same picture as the prediction block subject to coding, or from a second coded prediction block located at the same position as or in the neighborhood of the prediction block subject to coding in a picture different from that of the prediction block subject to coding, and adds the derived motion vector predictor candidates in a motion vector predictor candidate. The motion vector predictor candidate generation unit determines, for the purpose of obtaining a predetermined number of motion vector predictor candidates, which of first coded prediction blocks provides the motion vector from which to derive the motion vector predictor candidate, organizing the blocks in the order of priority.
Image coding apparatus, image decoding apparatus, image processing system, image coding method, and image decoding method
An image coding apparatus is an image coding apparatus which encodes a plurality of to-be-displayed images forming video by using inter prediction. The image coding apparatus includes an obtaining unit that obtains a reference-specific image which is an image different from the plurality of to-be-displayed images or different from a plurality of reconfigured images obtained by reconfiguration of the plurality of to-be-displayed images and which is an image used as an image that is specific to reference for the inter prediction, and an encoding unit that encodes one or more to-be-displayed images among the plurality of to-be-displayed images by referring to the reference-specific image as a reference image for the inter prediction.
Metadata assisted video decoding
A video decoder is disclosed that uses metadata in order to make optimization decisions. In one embodiment, metadata is used to choose which of multiple available decoder engines should receive a video sequence. In another embodiment, the optimization decisions can be based on length and location metadata information associated with a video sequence. Using such metadata information, a decoder engine can skip start-code scanning to make the decoding process more efficient. Also based on the choice of decoder engine, it can decide whether emulation prevention byte removal shall happen together with start code scanning or not.
Control mechanism for video output
This disclosure describes a computer-implemented method for a control mechanism for video output. Additionally provided is a video stream that is generated from the video source and encoded by the video encoder, where the video stream further comprises one or more video frames with each video frame including a time stamp that includes timing and clocking information. Additionally provided is a video display apparatus that includes a video display apparatus processor, video display apparatus memory, video decoder, and a video frame buffer, where the video decoder decodes the encoded video stream, and the video display apparatus generates a pixel clock. Additionally provided is a desired latency threshold for displaying a first video frame with respect to a second video frame that includes an upper threshold limit and a lower threshold limit. The disclosed method includes the following steps that control jitter in the displayed video stream.
Method and apparatus for video encoding for each spatial sub-area, and method and apparatus for video decoding for each spatial sub-area
Provided are a video encoding method and a video decoding method according to spatial subdivisions based on splitting a picture into a first tile and a second tile, and splitting a current tile among the first tile and the second tile into at least one slice segment, encoding the first tile and the second tile, independently from each other, and encoding maximum coding units of a current slice segment among the at least one slice segment included in the current tile, with respect to the at least one slice segment included in the current tile.
Method and apparatus for video encoding for each spatial sub-area, and method and apparatus for video decoding for each spatial sub-area
Provided are a video encoding method and a video decoding method according to spatial subdivisions based on splitting a picture into a first tile and a second tile, and splitting a current tile among the first tile and the second tile into at least one slice segment, encoding the first tile and the second tile, independently from each other, and encoding maximum coding units of a current slice segment among the at least one slice segment included in the current tile, with respect to the at least one slice segment included in the current tile.
Method of color palette coding applicable to electronic device and electronic device using the same
The disclosure is directed to a method of color palette coding and an electronic device using the same method. The proposed method would include not limited to encoding, by using a processor, a bit stream to represent a color of a coding unit and storing the bit stream in a storage medium or transmitting the bit stream. The bit stream would include not limited to a binary bit representing a run flag, a N binary bit sequence representing up to 2N major colors in a coding unit with each of the possible values of the N binary bit sequence representing an unique major color index of N major color indices, and a M binary bit sequence representing up to 2M extended colors with each of the possible values of the M binary bit sequence representing an unique extended color index of M extended color indices.
Image processing method and image processing apparatus
An image processing method includes receiving a bitstream comprising a first encoding unit and a second encoding unit; acquiring from the bitstream a reference value for decoding of the first coding unit, a weight value for performing interpolation using the reference value to determine one or more sample values, and an index indicating one of the one or more sample values; decoding the first encoding unit using the index and a result of interpolation performed using the reference value and the weight value; and decoding the second encoding unit from the bitstream using the interpolation result used in the decoding of the first encoding unit.
Image coding apparatus for correcting coarseness and encoding uncompressed data
An image coding apparatus obtains a quantization parameter of a macroblock to be encoded. The quantization parameter is corrected by adding a correction value thereto. An encoding part encodes the macroblock by using the corrected quantization parameter. After the encoding, a quantization parameter correction part calculates the cumulative target amount of codes by accumulating the target amounts of codes set for the encoded macroblocks, respectively, and calculates the cumulative amount of generated codes by accumulating the respective amounts of generated codes of the encoded macroblocks. If the cumulative amount of generated codes is larger than the cumulative target amount of codes, the quantization parameter correction part increments the correction value. A new macroblock to be encoded is quantized more coarsely than the encoded macroblocks.
Reference picture list handling
In a method performed by an encoder according to a first aspect a one-bit flag is signaled, wherein the one-bit flag is associated with a reference picture in a buffer description for the current picture. The one-bit flag is set to explicitly indicate to a decoder if the reference picture should be included in a list of reference pictures or not included in the list of reference pictures. The list of reference pictures indicates which pictures that can be used for decoding the current picture.
Wearable video headset and method for calibration
During calibration, a wearable video headset displays a pattern on a partially transparent display positioned in a field of view of a user's eye. The user has a hand-held marker that includes a scaled version of the displayed pattern. The user moves the marker toward or away from the user's eye until the pattern on the marker appears to be the same size as the pattern on the display. When the sizes match, the headset measures a distance between a forward-facing camera and the hand-held marker. The headset uses the measured distance, and geometrical relationships, to determine the spacing between the user's eye and the display. Such calibration can ensure that the images displayed to the user mesh realistically with the surroundings, which remain partially visible through the partially transparent display of the video headset.
Imaging structure emitter calibration
In embodiments of imaging structure emitter calibration, an imaging unit includes an emitter structure that direct emits light, and optics direct the light along a light path in the imaging unit to illuminate a projection surface. A reflective panel reflects a portion of the light to illuminate a light sensor. An imaging application receives the sensor data from the light sensor, where the sensor data corresponds to emitted light output from the emitter structure. The imaging application can then initiate a calibration input to the emitter structure to adjust the emitted light output from the emitter structure.
Systems and methods for displaying an image or video on a retro-reflective screen
A display system comprises a projector combined with a retro reflective screen and a viewer distance from the projector such that the observation angle is less than approximately 2-3 degrees. The brightness of the image on the screen for the proposed display system is increased by a factor of ˜100-500× as compared to traditional display systems with for an equivalent power/intensity light source.
Stereoscopic image capturing device and stereoscopic image capturing method
A camera unit that captures and generates a plurality of images of a subject and a setting unit that sets different image capturing positions of the camera unit are provided. The setting unit sets the different image capturing positions so that the distance between an n-th image capturing position and an n+1th image capturing position and the distance between an m-th image capturing position and an m+1th image capturing position among the different image capturing positions differ from each other, where n and m are different natural numbers.
Systems and devices for acquiring imagery and three-dimensional (3D) models of objects
Systems and devices for acquiring imagery and three-dimensional (3D) models of objects are provided. An example device includes a platform configured to enable an object to be positioned thereon, and a plurality of scanners configured to capture geometry and texture information of the object when the object is positioned on the platform. A first scanner is positioned below the platform so as to capture an image of a portion of an underside of the object, a second scanner is positioned above the platform, and a third scanner is positioned above the platform and offset from a position of the second scanner. The scanners are positioned such that each scanner is outside of a field of view of other scanners. Scanners may include a camera, a light source, and a light-dampening element, and the device may include a control module configured to operate the scanners to individually scan the object.
Depth perceptive trinocular camera system
A method for detecting decalibration of a depth camera system including a first, second, and third cameras having overlapping fields of view in a direction includes: detecting a feature in a first image captured by the first camera; detecting the feature in a second image captured by the second camera; detecting the feature in a third image captured by the third camera, the third camera being non-collinear with the first and second cameras; identifying a first conjugate epipolar line in the second image in accordance with a detected location of the feature in the first image and calibration parameters; identifying a second conjugate epipolar line in the second image in accordance with a detected location of the feature in the third image and the calibration parameters; and calculating a difference between a detected location of the feature in the second image and the first and second conjugate epipolar lines.
Compact stereoscopic picture taking system
A stereoscopic picture taking systems includes a first camera having a first optical objective, and a second camera having a second optical objective, where the optical characteristics of the two objectives are substantially identical. The stereoscopic system also includes a plane semi-reflecting plate in front of the first objective and inclined by a predetermined angle on the optical axis of the first objective. The stereoscopic picture taking system also includes an optical element having a plane reflecting surface disposed at the level of the second objective and inclined by the same predetermined angle on the optical axis of the second objective such way that the main part of the optical axis of the second objective is substantially parallel to the optical axis of the first objective. This optical element can be a plane mirror or a return prism. The first objective has a plate of identical optical thickness.
Two-channel reflector based single-lens 2D/3D camera with disparity and convergence angle control
A single-lens two-channel reflector provides the capability to switch between two-dimensional and three-dimensional imaging. The reflector includes laterally displaceable outward reflectors and displaceable inward reflectors that can simultaneously provide left and right images of a scene to an imager, and controllers for controlling relative distance between the outward and the inward reflectors, and for controlling deflection angle of the inward reflectors, so as to enable the adjustment of disparity and convergence angle.
Transmitting apparatus, stereo image data transmitting method, receiving apparatus, and stereo image data receiving method
Transmission of stereo image data may be performed between devices, where a source device receives E-EDID from a sink device via DDC of an HDMI cable. This E-EDID contains information on 3D image data transmission modes supportable by the sink device. Based on information on 3D image data transmission modes from the sink device, the source device selects a predetermined transmission mode from among the 3D image data transmission modes supportable by the sink device. The source device transmits 3D image data in the selected transmission mode to the sink device. The source device transmits information on the transmission mode for the 3D image data, to the sink device by using an AVI InfoFrame packet or the like. The sink device processes the 3D image data received from the source device in accordance with its transmission mode, thereby obtaining left and right eye image data.
Method and apparatus for reproducing content
A method of displaying information on a terminal, the method including: receiving a message from another terminal during reproduction of content; assigning a part of a screen of the terminal for displaying information related to the message based on a priority order of the message; and displaying the information related to the message on the assigned part of the screen during the reproduction of the content which is being displayed on the rest of the screen.
System and method for advanced lens geometry fitting for imaging devices
A system and method for advanced lens geometry fitting is provided for projecting images using a projector with a non-planar lens. An initial estimate of intrinsic parameters of the projector can be determined, for example from a list; an initial estimate of extrinsic parameters of the projector can be determined based on the initial estimate of intrinsic parameters. The intrinsic parameters and extrinsic parameters can be optimized together by starting with a simple lens model and iteratively adding nonlinear terms, an error function evaluated at each iteration, for example for each set of intrinsic parameters in the list and the corresponding extrinsic parameters. As the values of the error function converges the optimized intrinsic parameters and the optimized extrinsic parameters can be used to generate images that are projected by the projector.
Method and system for chromatic gamut extension, corresponding apparatus and computer program product
Color images designed to be displayed, for example, with a projector such as a laser pico projector, are subjected to gamut extension in respective iso-hue paths in the CIE1931xyY color space, operating for example, as follows: a plurality of iso-hue curves in the CIE1931xyY color space is determined; for the points subjected to gamut extension, the closest iso-hue curves are identified; and extension paths to be used for the operation of gamut extension are interpolated from said closest iso-hue curves.
A projection system includes an invisible light projector, an imaging unit, an image generator, and a visible light projector. The invisible light projector projects a predetermined invisible light image onto the object via invisible light. The imaging unit captures an image of the invisible light projected from the invisible light projector. The image generator measures a shape of the object based on the image captured by the imaging unit to generate image data showing image content for projection onto the object in accordance with the measured shape. The visible light projector projects the image content shown by the image data onto the object via visible light. The invisible light projector emits pulsed invisible light to project the measurement pattern. The image generator generates the image data based on an image captured in accordance with a timing for the pulsed light emission.
System and method for improved updating and annunciation of traffic enforcement camera information in a vehicle using a broadcast content delivery service
An enhanced broadcast data service with reports locations of traffic enforcement camera locations (e.g., red light cameras and speed cameras) to users. Traffic enforcement camera information is aggregated, verified (e.g., particularly as to traffic enforcement camera type) and stored (e.g., at a server). A broadcast signal comprising program channels and at least one data channel having traffic enforcement camera information is transmitted to a plurality of receivers. Receivers store at least a subset of the traffic enforcement camera information available from the server and synchronize to it using periodic transmitted updates. Receivers compare receiver location data with stored camera location data, and display or generate audible alerts when the receiver is within a selected geographic range of a traffic enforcement camera. Alerts can be filtered as to camera type. A alerts can employ different color camera icons superimposed on a screen map depending on camera type or whether the camera is newly added.
Method and device for parking a vehicle
A method for assisting a reverse parking maneuver of a motor vehicle equipped with a rear-view camera system into a longitudinal parking space, wherein the image of the surroundings to the rear of the motor vehicle is displayed on a display of the motor vehicle. For the determination of the parking position on both sides of the vehicle, two 3D symbols, in particular 3D cuboids, are respectively blended into the image of the rear-view camera system, wherein the distance between two 3D symbols corresponds to one side of a minimum parking space for the motor vehicle.
Covert recording alarm apparatus for vehicles
The present invention relates generally to a covert recording alarm apparatus for vehicles that includes one or more sensors strategically placed within the vehicle, e.g. in the car lock knob that are configured for detecting any instrument, added weight or pressure being applied to a vehicle's entry points. If any such force is detected, the apparatus' sensor(s) trigger an the image capturing mechanism to begin taking pictures and videos of the theft activity which is transmitted as an alert to legal authorities, a monitoring service and/or the owner/operator's mobile phone where it is published and displayed as a video, text or email such that the appropriate action can be taken.
Imaging apparatus, imaging method, and imaging program
In the case where an imaging apparatus is not able to detect the distance to an object placed over an imaging surface thereof, if the area of a bright region in an image of the object captured by an imaging unit with light emitted from a light emitting unit is equal to or greater than a predetermined area, the imaging apparatus determines that the object is close to the imaging apparatus. Thus, it becomes possible to let the user know that the palm is too close to the imaging apparatus and to prompt the user to move the palm away from the imaging apparatus. Accordingly, it becomes possible to smoothly capture an image of the object.
Apparatus and method for providing media services with telepresence
A system that incorporates teachings of the present disclosure may include, for example, obtaining first images that are captured by a first camera system at a first location associated with a live presentation by the first user, transmitting first video content representative of the first images over a network for presentation by a group of other processors that are each at one of a group of other locations associated with corresponding other users, receiving second video content representative of second images that are associated with each of the other users, and presenting the second video content in a telepresence configuration that simulates each of the other users being present in an audience at the first location. Other embodiments are disclosed.
Frame rate conversion system
A system for the conversion of video from one frame rate to a different frame rate. The system includes the application of graphical element and text detection and processing in frame rate up conversion.
Image processing apparatus and method for providing image matching a search condition
An image processing apparatus includes a storage storing images received from at least one camera, an image analyzer analyzing the images received from the at least one camera, separating an object, for which an event occurred, from a background, and extracting object properties information, a database storing the object properties information extracted with respect to each of the at least one camera, a search condition setter setting a search condition, a search engine searching the database for the object properties information matching the search condition, and obtaining image frames including the object properties information found from the storage, and a file generator generating a single image file by synthesizing the image frames.
Storage and editing of video of activities using sensor and tag data of participants and spectators
Video from multiple locations in a venue, in which multiple individuals are engaged in activities, such as athletic performances or non-sporting activities, is stored and edited, using sensor data from participants and tag data from spectators, to create individualized video programs of athletic performances of individuals. Each camera provides a video feed that is continuously stored. Each video feed is stored in a sequence of data files in computer storage, which data files are created in regular time intervals. Each file is accessible using an identifier of the camera and a time interval. Similarly, data from sensors and tagging devices are continuously received and stored in a database. The database stores, for each sensor, an identifier of each individual detected in the proximity of the sensor and the time at which the individual was detected. Each sensor is associated with one or more cameras. Tag data is similarly stored from tagging devices manipulated by spectators.
TV program playing method, remote control and TV
The present disclosure provides a TV program playing method, a remote control and a TV, and the method comprises: obtaining, by the remote control, a first unlock instruction triggered by a first user when a TV system is in standby state; obtaining, by the remote control, a first heart rate feature information of the first user via the optical sensor according to the first unlock instruction; sending, by the remote control, a first playing instruction carrying an identifier of the first user to the TV when a difference between the first heart rate feature information and a second heart rate feature information in a feature library is less than a threshold so that the TV plays a program in a program list corresponding to the identifier of the first user, wherein the feature library pre-stores corresponding relationship between identifiers and heart rate feature information of users.
Solid-state imaging device, driving method thereof, and imaging system accumulating charges generated by first and second photoelectric conversion units during first and second periods
A solid-state imaging device comprises a first pixel group includes a first photoelectric conversion unit that converts into electric charges reflection light pulses from an object irradiated with an irradiation light pulse, a first electric charge accumulation unit accumulating the electric charges in synchrony with turning on the irradiation light pulses, and a first reset unit resetting the electric charges; and a second pixel group includes a second photoelectric conversion unit that converts the reflection light into electric charges, a second electric charge accumulation unit that accumulates the electric charges synchronously with a switching the irradiation light pulses from on to off, and a second reset unit that releases a reset of the electric charges converted by the second photoelectric conversion unit.
Imaging device and imaging system
An embodiment provides an imaging device including a pixel that includes a first photoelectric conversion portion, a second photoelectric conversion portion, a first transfer transistor, a second transfer transistor, and a floating diffusion portion. The first transfer transistor transfers a signal charge in the first photoelectric conversion portion to the floating diffusion portion. The second transfer transistor transfers a signal charge in the second photoelectric conversion portion to the floating diffusion portion. A potential at the first photoelectric conversion portion for the signal charge is higher than a potential at the second photoelectric conversion portion for the signal charge.
An imaging device that reliably images an object flashing at a period closely analogous to an output period of a moving image within a certain period is provided. A first common frame image, which is synthesized from pixel signals produced by photoelectric conversion elements arranged in row selection lines from a second start row selection line to an end row selection line, is extracted from a first frame image synthesized by an image sensor starting at a first start row selection line. As a moving image, a sequence of the first common frame images and second frame images synthesized by the image sensor starting at the second start row selection line is produced. Due to the phase difference between an imaging period of the first common frame image and an imaging period of the second frame image, a flashing object is captured in any of the frame images.
Wearable imaging devices, systems, and methods
Wearable systems with thermal imaging capabilities may be provided for detecting the presence and location of persons or animals in an environment surrounding the system in accordance with an embodiment. A wearable system may include a wearable structure such as a helmet with a plurality of imaging modules mounted to the wearable structure. An imaging module may include one or more imaging components such as infrared imaging modules and visible light cameras. Thermal images captured using the infrared imaging modules may be used to detect the presence of a person in the thermal images. The wearable imaging system may include one or more alert components that alert the wearer when a person is detected in the thermal images. The alert components may be used to generate a location-specific alert that alerts the wearer to the location of the detected person. A wearable imaging system may be a multidirectional threat monitoring helmet.
Imaging apparatus, video data transmitting apparatus, video data transmitting and receiving system, image processing method, and program
An imaging apparatus includes an imaging section, a signal processor that analyzes video data obtained from the imaging section, calculates a most suitable exposure condition for an entire area of the video data to set the most suitable exposure condition to the imaging section, and outputs most suitable video data imaged on the most suitable exposure condition, a partial area clipping section that clips area video data from a partial area of the most suitable video data to output the area video data, and an exposure condition calculator that calculates a most suitable area exposure condition based on the area video data. The exposure condition calculator sets the most suitable area exposure condition to the imaging section and the signal processor.
Apparatus, method, and program for selecting image data using a display
An image recording apparatus includes an image capturing unit configured to capture an image of a subject, a recording unit configured to record one of still image data and video image data captured by the image capturing unit on a storage medium in the form of an image file, a generating unit configured to generate a management file used for managing the image file recorded on the storage medium, and a registering unit configured to register an identifier of the image file recorded on the storage medium in the management file on a capture date basis in the order of capture time.
Variable pre- and post-shot continuous frame buffering with automated image selection and enhancement
A “Moment Capture System” automatically captures and buffers multiple image frames, both prior to and following digital camera shutter activation. This capture and buffering is performed in combination with real-time automatic control of camera settings (e.g., exposure time, capture rate, ISO, white balance, aperture, etc.) based on an ongoing real-time evaluation of contents and characteristics of most recent previously buffered frames. Whenever a shutter activation (e.g., a “tap”) is detected, the Moment Capture System pulls some number of pre-tap frames from the buffer and adds some number of post-tap frames to create an “image moment.” Image moments are defined as sets of sequential frames spanning a time period before and after the detected tap. In various implementations, the Moment Capture System performs automated selection of perceptually best images from the buffered frames associated with each tap. This automated selection closely emulates human selection based on subjective subtleties of human preferences.
Display apparatus for generating a background image and control method thereof
A display apparatus is provided. The display apparatus includes a storage unit configured to, in response to a subject being captured, store a captured first image, an output unit configured to, in response to the first image being stored, output a guide message for guiding a subject so as to move out of a subject area of the first image, and a controller configured to, in response to the subject being moved and re-capturing being performed, acquire a re-captured second image, detect a local image area corresponding to the subject area of the first image from the second image, synthesize the detected local image area with the first image, generate a background image from which the subject is removed, and store the background image in the storage unit.
Image capture methods and systems with positioning and angling assistance
Image capture methods and systems with positioning and angling assistance are provided. A reference image having a first set of feature points is provided. A preview image is captured and analyzed using a feature detecting algorithm to obtain a second set of feature points. A variation is calculated according to the first set of the feature points corresponding to the reference image and the second set of the feature points corresponding to the preview image, and a present-marker is rendered on a display unit according to a preset position and the variation.
Apparatus and method for providing user's emotional information in electronic device
An apparatus and a method for providing emotional information in an electronic device are provided. At least one content is displayed. Emotional information is extracted from an image obtained via a camera. The emotional information is added to the content.
Depth detection apparatus, imaging apparatus and depth detection method
Provided is a depth detection apparatus having: a shift amount acquisition unit to acquire a provisional image shift amount; a filter processing unit to perform filter processing on one or both of the first and second signal; and a depth deriving unit to derive the depth information on an object, based on a positional shift amount between the filtered first signal and the filtered second signal. A phase term of the filter is a function generated by a second function by a coefficient, wherein the second function is generated based on a phase transfer function corresponding to the first or second pupil region and on the provisional image shift amount, and the coefficient is a real number greater than 0 and smaller than 1.
Image capturing apparatus and auto focus control method therefor
In an image capturing apparatus, in a case where a change is made from a first magnification ratio into a second magnification ratio which is greater than the first magnification ratio in a state in which a live view is displayed at the first magnification ratio and a first AF mode is set, the live view image is enlarged and displayed at the second magnification ratio, and the AF mode is set to a second AF mode. In a case where a change to the first magnification ratio is made after the second magnification ratio is set, the first AF mode is set, and a focus adjustment position is set based on a focus adjustment position which is set in the second AF mode.
Image sensor with symmetric multi-pixel phase-difference detectors, and associated methods
An imaging system with on-chip phase-detection includes an image sensor with symmetric multi-pixel phase-difference detectors. Each symmetric multi-pixel phase-difference detector includes (a) a plurality of pixels forming an array and each having a respective color filter thereon, each color filter having a transmission spectrum and (b) a microlens at least partially above each of the plurality of pixels and having an optical axis intersecting the array. The array, by virtue of each transmission spectrum, has reflection symmetry with respect to both (a) a first plane that includes the optical axis and (b) a second plane that is orthogonal to the first plane. The imaging system includes a phase-detection row pair, which includes a plurality of symmetric multi-pixel phase-difference detectors in a pair of adjacent pixel rows and a pair, and an analogous phase-detection column pair.
Technologies for pan tilt unit calibration
Technologies for calibrating a pan tilt unit with a robot include a robot controller to move a camera of the pan tilt unit about a first rotational axis of the pan tilt unit to at least three different first axis positions. The robot controller records a first set of positions of a monitored component of the robot in a frame of reference of the robot and a position of the camera in a frame of reference of the pan tilt unit during a period in which the monitored component is within a field of view of the camera for each of the at least three different first axis positions. Further, the robot controller moves the camera about a second rotational axis of the pan tilt unit to at least three different second axis positions and records a second set of positions of the monitored component in the frame of reference of the robot and a position of the camera in the frame of reference of the pan tilt unit during a period in which the monitored component is within a field of view of the camera for each of the at least three different second axis positions. Further, the robot controller determines a transformation from the frame of reference of the robot to the frame of reference of the pan tilt unit based on the first set of recorded positions and the second set of recorded positions.
Augmented video processing
Embodiments described herein may allow for dynamic image processing based on biometric data. An example device may include: an interface configured to receive video data that is generated by an image capture device; an interface configured to receive biometric data of a user of the image capture device from one or more sensors generated synchronously with the video data; and an image processing system configured to apply image processing to the video data to generate edited video data. The image processing may be based, at least in part, on the biometric data.
Interchangeable user input control components
In one example, a controller of a camera is configured to detect a mechanical connection of an accessory for the camera through data received by a sensor. The accessory includes a physical component that performs a function for the camera. The function may replace an existing function of the camera or supplement an existing function of the camera. The controller identifies one or more identification marks on the accessory to determine an existence of the accessory or a position of the accessory. The controller may disable an existing function of the camera or modify a configuration of the camera based on the identification marks.
Systems, methods, and apparatuses for implementing multi-lens array cameras and mounts
In accordance with disclosed embodiments, there are provided methods, systems, and apparatuses for implementing multi-lens array cameras and mounts. In one embodiment there is a lens mount assembly, having therein a lens mount with a front side and a back side; a lens array mounted to the front side of the lens mount, the lens array having a plurality of optics embedded within lenses mounted to the front side of the lens mount; a plurality of image capture circuits at the back side of the lens mount, the plurality of image capture circuits having a one to one correspondence to the lenses of the lens array mounted to the front side of the lens mount; and a plurality of receiving couplers at the front side of the lens mount, each to receive one of the lenses of the lens array, wherein the receiving couplers mechanically bring the optics of the respective lens mounted thereto into alignment with a corresponding one of the image capture circuits on the back side of the lens mount opposing the mounted lens. The lens mount assembly may be embodied within a camera body assembly such as a hand-held smart phone, a tablet computing device or a stand alone hand held camera. The lens mount assembly may be interchangeable with other lens mount assemblies for a multi-lens array camera. Other related embodiments are disclosed.
Method and device for noise suppression in a data processing arrangement
Methods and systems are provided for noise suppression in data, particularly data comprising video and/or audio data. An input adjustment, based on a corresponding input adjustment value, may be applied to received input data that comprises video and/or audio data; and an output adjustment, based on a corresponding output adjustment value, may be applied to output data corresponding to previously processed received input data. The input adjustment value may be re-calculated based on an outcome of applying the input adjustment to the received data, and when a change occurs in the input adjustment value the change in the input adjustment value may be applied to subsequent received input data, and at the same time, and based on the change in the input adjustment value, a corresponding change may be applied at least some of data corresponding to previously processed received input data.
Image processing apparatus having a display device for displaying a trimming range selection screen, and image processing method
An image processing apparatus for photographing a user includes a photographing device configured to photograph the user to generate a photographed image; a display device configured to display a selection screen that is a screen with which the user selects one of a plurality of trimming ranges, the trimming range being a range of trimming a part of the photographed image generated by the photographing device; an instruction receiving device configured to receive selection of the trimming range on the selection screen; and a trimming processor configured to perform a trimming process on the photographed image generated by the photographing device based on the trimming range selected with the instruction receiving device.
Printing device, mobile terminal, and computer readable recording medium for the same
A printing device includes a printing device side wireless communication unit configured to execute wireless communication with a mobile terminal, an operation acquisition unit configured to acquire user operation thereof, and a processor. The processor is configured to acquire operation data which is generated as the operation acquisition unit acquires a user operation, acquire establishment data which is generated as the printing device side wireless communication unit establishes a wireless communication with the mobile terminal, and issue a request control to control the printing device side wireless communication unit to transmit request data requesting the mobile terminal to transmit print data necessary for printing, via the wireless communication, when the establishment data is acquired, the request control being issued in accordance with the operation data as acquired.
Function performing apparatus, non-transitory computer-readable medium storing computer-readable instructions for communication apparatus, and communication apparatus
A function performing apparatus may perform: judging whether the function performing apparatus is in a placed state or a non-placed state; causing a scan performing unit to perform a scanning of the document, in a first case where a communication session is established while the function performing apparatus is in the placed state; not causing the scanner to perform the scanning of the document, in a second case where the communication session is established while the function performing apparatus is in the non-placed state; creating, in a case where the scanning of the document is performed, image data based on a scan result obtained from the scanner; and sending the created image data to a communication apparatus via an interface by using a wireless network.
Image forming apparatus having image reading device
In an image forming apparatus, when a pivot plate is at a closed position, a free end of the pivot plate is at a vertical level higher than first and second hinge portions which are arranged apart from each other in a width direction along a horizontal direction. A free end of the pivot plate moves in a space defined between first and second virtual vertical planes. The first virtual vertical plane is defined as a virtual vertical plane, on which a widthwise inner end of a first hinge portion is disposed, and which is perpendicular to a rotational center axis of the first hinge portion. The second virtual vertical plane is defined as a virtual vertical plane, on which a widthwise inner end of the second hinge portion is disposed, and which is perpendicular to a rotational center axis of the second hinge portion.
Relaying apparatus communicating with information processing terminal, image processing apparatus, and service-providing apparatus
In a relaying apparatus, a storage stores a plurality of sets of first device information, and second device information assigned to a first set of first device information identifying one image processing apparatus from among image processing apparatuses. The controller communicates with the one image processing apparatus and a service-providing apparatus. The controller receives replacement request information from the one information processing terminal via the communication interface. The replacement request information including old first device information and new first device information. The old first device information indicates the one image processing apparatus. The new first device information indicates another image processing apparatus. The controller replaces the first set of first device information so that the first set of first device information identifies the another image processing apparatus indicated by the new first device information instead of the one image processing apparatus indicated by the old first device information.
Image forming apparatus with contactless card reader
An image forming apparatus (1) includes a scanner unit (12U), a scanner housing (12), and a contactless card reader (42). The scanner unit (12U) optically reads an image of an original document to generate image data. The scanner housing (12) accommodates the scanner unit (12U). The card reader (42) has a flat information reading surface (421) and reads information recorded on an information card C. The scanner housing (12) has a confronting surface (12F) that a user confronts. The card reader (42) is mounted inside the scanner housing (12) such that the information reading surface (421) takes an upstanding posture, and is disposed behind the confronting surface (12F) of the scanner housing (12). The confronting surface (12F) of the scanner housing (12) includes a surface (41) that covers the information reading surface (421) and over which a card is held.
Method and device for using cloud print service
A method of using a cloud print service includes registering a virtual printer with a server, designating the virtual printer as an output device and transmitting a content file to the server, monitoring the virtual printer and acquiring print data generated by converting the content file from the server, and requesting printing while transmitting the print data to a local printer.
Method for providing service through solution server in security environment, and apparatus and system for performing the same
A system which provides a solution service to an image forming apparatus and includes a solution server having a solution application installed therein, an image forming apparatus configured to provide a user interface (UI) for the solution application and perform a job requested by the solution server, and a message server configured to communicate with the solution server and the image forming apparatus. The solution server transmits a job request to the message server by using a message protocol, and the image forming apparatus receives the job request by accessing the message server.
Print data processing method of mobile device and the mobile device
A mobile device includes a communication unit configured to communicate with an image forming apparatus; a display configured to display a screen; a memory configured to store a printing list; and a controller configured to search for an adjacent image forming apparatus through the communication unit, check whether there is content to be printed in the printing list stored in the memory, and control the display to display notification information on the screen based on a result of the checking.
System, apparatus and method configured to detect, analyze and/or report impact to output device
Systems, apparatuses and methods are provided to allow for detection of an impact to an output apparatus. Such impact may be caused by a sudden force applied to one or more points on the apparatus housing or another part of the apparatus accessible from outside the apparatus housing. An impact detector outputs to an apparatus controller an impact report including impact time and impact data corresponding to the detected impact event.
Top up communication system and method thereof
A top up communication system and method thereof are provided, which provides a call between at least two electronic devices, where each of the at least two electronic devices has a unique identification code. The method includes following steps: buying a deposit code on the web-site or obtaining it sent from others; surfing a user interface of an activating data server; inputting the deposit code into the user interface to generate an activate identification data; scanning the activate identification data by a scanner to generate a shortcut icon on a monitor of the scanner; transmitting a dialed command to a connection generation server by triggering the shortcut icon; using the dialed command to establish a communication link between the at least two electronic devices by the connection generation server.
IP carrier peering
Aspects of the subject disclosure may include, for example, a method and system to interconnect a first communications carrier to a second communications carrier by receiving a request to connect a communication from a first carrier to a second carrier; modifying a private ENUM (tElephone NUmber Mapping) domain of the request to include an intercarrier ENUM apex based domain; retrieving a routing record using a domain name server (DNS) indicated by the intercarrier ENUM apex based domain; and routing the communication to the second carrier using the routing record. Other embodiments are disclosed.
Information system with detachable information module
A unitary handheld portable module includes a keypad for entering data and a display for displaying data. A base module is configured to be coupled with and communicate through a telephone line and includes a keypad for dialing a telephone number and a display for displaying information. The portable and base modules are configured to have a mounted configuration in which the portable module is removably mounted on the base module and covers the base module's display, and the modules communicate with each other for the portable module's display to display information relating to operation of the base module.
System and method for a progressive dialer for outbound calls
A system and method are disclosed herein for an automated progressive dialer system. The system comprises maintaining a callee database for a calling campaign. A Presence registrar is maintains a list of call center agents, wherein the list comprises the agent's current state, account information and other metrics. An agent progressive dialer (APD) indicates an agent's current state to the Presence registrar and maintains an agent's open line to connect with a connected outbound call to a callee. One or more callees are selected to call based upon the agent's current state. Outbound calls are placed to the selected callee using a callee progressive dialer (CPD). Upon successfully connecting a call to a callee, the Presence registrar provides an available agent with an open line to receive the call. The CPD then bridges the successfully connected callee outbound call with the available agent's open line on the APD.
Disaster relief event call flagging
Embodiments of the invention relate to systems, methods, and computer program products for providing disaster relief event call flagging. The system, method, and computer program product are configured to create a disaster relief event associated with a plurality of customer accounts maintained by an entity, wherein the disaster relief event comprises one or more parameters that identify locations associated with the disaster relief event; create a temporary dialer file for use in contacting the plurality of customers in reference to the accounts, wherein the dialer file is based at least partially on the one or more parameters of the disaster relief event, and automatically suspend contact to one or more customers based at least partially in response to the telephone numbers of the one or more customer being excluded from the temporary dialer file.
Emergency services routing proxy cluster management
Systems and methods for clustering emergency services routing proxies are provided. The described features allow a group of ESRPs running as individual servers or a group of virtual servers, to be referenced using a single URI. In one implementation, an emergency services routing proxy device includes an emergency services routing proxy node configured to route a call to a downstream entity, the call received from an upstream entity. The device further includes a cluster manager configured to receive registration information from the emergency services routing proxy node, the registration information including a routing service identifier. The cluster manager may be further configured to identify the emergency services routing proxy node for call routing based on a comparison of an identifier included in the call with the routing service identifier.
Wireless customer experience fault analytics system and method of operation
A minimum confidence level is applied to recognize a localizable wireless system debility from a debility which is invariant from place to place or which cannot be significantly distinguished from service performance levels of comparable mobile user terminals in the network as a whole. Reports received by the population of users of a service or product family are scored, aggregated, normalized, and averaged overall and for each geographic service area. A report is received from a particular end user and the customer operated wireless instrument and transformed into an individual user experience score over a length of time and breadth of locations. The reports provided by the population of users are transformed into a population experience score that reflects usage in the same time and locations reported from the wireless instrument of the particular end user. Various potential causations are considered and those which exceed a minimum level of confidence are presented.
Systems and methods for improved call handling
Systems and methods for providing a customizable call handling. The system can include a customizable graphical user interfaces (GUIs) to enable users to reject calls, accept calls, send a customized text message, or place calls on hold when handling one or more incoming calls. The system can enable the user to choose between multiple tabs for call handling. The system can also enable the user to customize where certain features appear in the GUI, including a customizable home screen for frequently user features. The system can enable customized text messaging to differentiate between customers or to differentiate between business and personal contacts. The system can also include machine learning algorithms to customize the GUI based on user's previous actions.
Method for processing data and electronic device thereof
An electronic device and method for entering an inactive mode, the electronic device including a display; and one or more processors. The processors may implement the method, which includes detecting an input to the electronic device indicating deactivation of a display of the electronic device or entrance into an inactive mode, detecting whether one or more objects executing one the one or more processors force the one or more processors to remain in an active mode, and when the one or more objects are detected, retrieving information on the one or more objects and display on the display the retrieved information.
Method for providing a function in a computer system of a vehicle
The invention concerns a method for providing a function by means of a service in a computer system of a given vehicle, with the steps: making (12) a communication link between the computer system of the vehicle and a mobile terminal, relaying (14) terminal information from the mobile terminal to the computer system of the vehicle, distinguishing the mobile terminal as a server, relaying (16) vehicle information from the computer system of the vehicle to the mobile terminal, providing (18) a list of available services of the mobile terminal for the computer system of the vehicle, wherein the list contains at least one service in addition to services already implemented in the computer system of the vehicle.
Communication apparatus, method of controlling same, and storage medium
A communication apparatus includes a memory that stores instructions and a processor that executes the instructions to communicate with an external apparatus. In a case where an operation mode of a communication apparatus is a predetermined operation mode for transferring predetermined transfer target data, communication is enabled by a first wireless communication interface. In a case where the operation mode of the communication apparatus is not the predetermined operation mode and the external apparatus has been registered in advance, communication is enabled by a second wireless communication interface. In a case where the operation mode of the communication apparatus is not the predetermined operation mode and the external apparatus has not been registered in advance, processing is enabled for registering, using the second wireless communication interface, the external apparatus.
Systems, devices, and methods effected in response to establishing and/or terminating a physical communications link
Systems, devices, and methods that are effected in or by an electronic device in response to establishing and/or terminating a physical communications link are described. An electronic device may be entered into deep sleep and may include a power control circuit that activates the device out of deep sleep in response to establishing a physical communications link with a source of electric power, such as another electronic device. Either in combination with or separate from this, an electronic device may establish wireless communications with another electronic device in response to establishing and terminating a physical communications link with the other electronic device. The physical communications link may be used to transfer device identity data from one device to the other and thereby bypass the cumbersome “discovery” process common to conventional wireless communication techniques. Portable electronic devices and personal computing devices that are operative to perform the above are described.
Preventing accidental phone call session termination
Embodiments described herein provide approaches for preventing an accidental termination of a phone call session. Specifically, a user establishes a phone call session using a phone call device. During the phone call session, the user performs an action related to terminating the phone call session. A likely intent of the user to terminate the phone call session is determined based on one or more predefined factors. Based on the determined user intent, the phone call session may be terminated or allowed to continue.
Method for filtering spam in electronic device and the electronic device
A method for filtering spam in an electronic device is provided. The method includes transmitting a request message inquiring whether a received call or message is spam to a server through a mobile communication network, in response to the received call or message being determined to be spam based on a response message received from the server, displaying an alert message, and storing a sender phone number of the received call or message in a spam phone number list.
A cordless phone base unit includes a storage unit that stores a phone number of other party in association with a name of the other party in a registration table, a reading unit that reads the name of the other party from the storage unit based on a received phone number of the other party, a language selection unit that selects a language corresponding to the read name of the other party, and a voice data generating unit that converts the read name of the other party into voice data in the selected language and outputs the voice data.
Sound emission and collection device, and sound emission and collection method
A sound emission and collection device includes a speaker, a filter processing a sound emission signal, microphones, echo cancellers cancelling regression sound signals of the sound emitted by the speaker from the sound collection signals of the corresponding microphones, a first integration section integrating adaptive filter coefficients taken out from the plurality of echo cancellers, a reverberation time estimation section estimating the reverberation time for each frequency band in the space in which the speaker and the plurality of microphones are present on the basis of the integrated adaptive filter coefficient, and an arithmetic operation section specifying a frequency band having a long reverberation time from the sound emission signal based on the estimated reverberation time, calculating a filter coefficient for suppressing power of the specified frequency band, and setting the filter coefficient to the filter.
Adaptive rate control of NBASE-T data transport system
A 10GBASE-T circuit is disclosed. The circuit includes a physical (PHY) integrated circuit and a media access control (MAC) integrated circuit. The PHY couples to a data transfer medium and carries out data transfers at a PHY data rate. The MAC integrated circuit controls access to the date transfer medium and couples to the PHY via a bidirectional link operating at a MAC data rate. Rate control logic detects the PHY data rate, and adjusts the MAC data rate to the PHY data rate. Changes to the PHY and MAC data rates may be made at rates higher than 1 Gbps.
Timing preservation for network communications
Methods, systems, and apparatus for preserving timing domains of different communications types of signals in a telecommunications network are disclosed. In one aspect a network element (NE) includes a receiver configured to receive communications signals of two different communications types. The NE can include a timing analyzer configured to obtain a local reference clock (LRC), detect two different received reference clocks (RRCs) corresponding to the two different communications types, and for each received communications signal, determine a quantized value (QV) based on a difference between the LRC and the RRC. The NE can include a timing generator configured to generate, for the received communications signal, a transmit reference clock (TRC) that is referenced to, but different from, each of the LRC and the QV. The NE can include a transmitter configured to output an output signal based on the received communications signal and the TRC for the received communications signal.
Aggregating physical network interfaces for peer-to-peer connections
The disclosed embodiments provide a system that facilitates communication with a first electronic device from a second electronic device. During operation, the system establishes a peer-to-peer connection between the first electronic device and the second electronic device on a first physical network interface. Next, the system uses the peer-to-peer connection to obtain, on the second electronic device, a first set of network-interface capabilities for the first electronic device. Finally, the system switches the peer-to-peer connection to a second physical network interface based on at least one of the first set of network-interface capabilities and one or more characteristics associated with the peer-to-peer connection.
Information processing apparatus, data provision method, and storage medium
An information processing apparatus includes an interface unit configured to connect to a network, a storage unit configured to store data which is provided with an apparatus that is an issuer of the data request, a provision unit configured to accept a provision request for a provision of data to the apparatus that is an issuer of the data request from an information providing apparatus configured to communicate via the interface unit, and provide data stored in the storage unit to the apparatus that is the issuer of the data request, an input unit configured to accept an input operation performed by a user, and a stopping unit configured to, in a case where a predefined condition is satisfied, make the provision unit stop the provision of the data to the apparatus that is the issuer of the data request.
Automated social network interaction system for a vehicle
In various aspects, the present disclosure provides a system and a related non-transitory computer-readable medium for performing operations incorporating social networking functions into a vehicle. The system can include a user identification subsystem that is configured to detect and identify a user. The system can also include an interactive display subsystem that is configured to generate output for display on a vehicle window. The displayed output generally includes social networking content. The social networking content can include “upload content,” “download content,” or both.
Method of automatically communicating information to a profile
We disclose a software system, method and product for updating a subject's profile. The software system, method and product may include a computer processing means and computer readable medium, and a proximity device. The system may be triggered by an internal and/or external event such as a subject's handheld device receiving a payload from a proximity device. The system may update the subject's skill profile as defined by activity configurations. The system may also generate a visual indicator for display on a subject profile to demonstrate a skill, achievement, or other information associated with the Activity.
Centralized coordination of data collection tasks from multiple sources
A scheduler manages execution of a plurality of data-collection jobs, assigns individual jobs to specific forwarders in a set of forwarders, and generates and transmits tokens (e.g., pairs of data-collection tasks and target sources) to assigned forwarders. The forwarder uses the tokens, along with stored information applicable across jobs, to collect data from the target source and forward it onto an indexer for processing. For example, the indexer can then break a data stream into discrete events, extract a timestamp from each event and index (e.g., store) the event based on the timestamp. The scheduler can monitor forwarders' job performance, such that it can use the performance to influence subsequent job assignments. Thus, data-collection jobs can be efficiently assigned to and executed by a group of forwarders, where the group can potentially be diverse and dynamic in size.
Business networking information feed alerts
Various embodiments described or referenced herein are directed to different devices, methods, systems, and computer products for providing information external to an organization in an information feed. A message may be received from an information service provider in accordance with a previously defined request. The defined request may include one or more parameters specifying requested data. The message may include data provided in accordance with the one or more parameters. The data in the message may be processed to create a data object. The data object may include at least a portion of the data provided in accordance with the one or more parameters. The data object may be stored in a database. The data object may then be provided for display on a display device in an information feed associated with the record.
Determination of general and topical news and geographical scope of news content
Methods for categorizing news are presented. One method groups articles into clusters that share a common topic. A first category is identified for each article that indicates if the article is news or not. Further, the method includes an operation for determining use data for each article that has information about people that have accessed or referenced the article. Additionally, the method includes an operation for combining the use data and the first category for all the articles in each cluster to determine the geographical scope of interest for the cluster. The use data and the first category are combined for all the articles in each cluster to determine a second category for each article that indicates if the article is general news, topical news, or not news. The articles are presented to the user based on the geographical scope of interest, the second category, and the attributes of the user.
Information processing apparatus, work environment linking method and work environment linking program
An information processing apparatus includes a processor to execute a process including: creating, from history information when using a file acquired from a link origin terminal and a link destination terminal that are connected through a communication network, a correspondence condition between items included in the history information and an application used by the link destination terminal; acquiring, from the history information, latest history information with respect to a link target file used by the link origin terminal based on a link request from one of the link origin terminal and the link destination terminal; determining an application when using the link target file at the link origin terminal based on the acquired latest history information and the created correspondence condition; and sending information regarding the determined application to the link destination terminal.
Session aware USB redirection for multi-server published applications
In certain information handling system (IHS) environments, universal serial bus (USB) devices connected to a client are redirected to a server or other information handling system. Multiple remote sessions may be running on an IHS as well as multiple multi-server published applications within a given remote session. To make the USB devices seamlessly accessible to the user from a given session or application when a switch occurs to a new session or a new application, the USB device may be sent a reset command which acts like a plug-in/plug-out of the USB device. The USB device is then redirected to the new session or the new application. The server is notified of the reset or the re-connection of the USB device to appropriately virtualize the USB device.
Medication delivery system and method
A medication delivery system includes a medical server configured to send and receive and process data, a medication device configured to administer a preselected medication, a sensor circuit configured to detect selected parameters relating to medication delivery and transmit information, a transmission hub configured to communicate with the medical server and the sensor circuit. The transmission hub is configured to receive a signal from the sensor circuit and exchange the information. An application is configured to facilitate exchange of information between the sensor circuit and the medical server. The application has a preselected set of protocols. The application monitors usage of the medication device and location of the medication device by connecting to the medication device via the transmission hub.
Notification system for personal and shared devices
In one embodiment, a method includes: determining that a notification is to be transmitted to at least one shared device of a household, the shared device comprising a display screen and being shared by a plurality of members of the household; identifying a plurality of personal devices currently located in the household, each of the plurality of personal devices belonging to a single member of the household; selecting a notification format to use for the notification, the selected notification format corresponding to a highest priority user profile associated with a personal device from the identified plurality of personal devices currently located in said household; and transmitting the notification in the selected notification format to the at least one shared device for display.
Unified and secured enterprise mobility platform
Techniques for providing a unified and secured enterprise mobility platform. For example, a method comprises implementing a mobile device management component, a mobile application management component, a file syncing component and a file sharing component on a unified platform, and managing interactions between at least two of the mobile device management component, the mobile application management component, the file syncing component and the file sharing component on the unified platform. The method may further comprise implementing a mobile analytics component, a mobile security component and a mobile application container on the unified platform.
Method and electronic device for sending and receiving data
A method and an electronic device for sending and receiving data are provided. The method of the electronic device for sending and receiving data includes detecting a communication event of other electronic device, if detecting the communication event, sending information of an application running on the electronic device, to the other electronic device, receiving information of an application running on the other electronic device, from the other electronic device, determining an application execution screen by comparing the application information of the electronic device with the application information received from the other electronic device, and displaying the determined application execution screen.
Method and apparatus for loadable aircraft software parts distribution
A computer implemented method, apparatus, and computer program product for transferring information with an aircraft. A connection is established between an onboard electronic distribution system executing in an aircraft data processing system in the aircraft and an on ground component. Responsive to a request for a command from the on ground component, the command for execution is identified. The identified command is sent to the onboard electronic distribution system from an on ground component. A transaction identifier is assigned to the command. A transaction associated with the command is maintained on the onboard electronic distribution system and the on ground component using the transaction identifier. An uplink is initiated by the on ground component. An aircraft software part is sent to the onboard electronic distribution system from the on ground component to perform the uplink. A status of a transfer of the aircraft software part on ground component is stored.
Dual-mode download manager
This disclosure provides for automatically changing the mode of download of a download manager in a customer premise equipment device. In some implementations, the download manager can send a timeout option to a TFTP server and automatically change the mode of download based on whether a timeout option acknowledgement is received. The download manager can include a first control attribute to enable or disable automatic mode changes and/or a second control attribute to set the initial download mode of the device.
Client, a content creator entity and methods thereof for media streaming
The embodiments of the present invention relate to methods and arrangements for accomplishing trick modes. This is achieved by assigning samples within a track to sample groups, wherein all samples within a sample group belong to one temporal level and by allowing the client to access one temporal level independently of lower temporal levels. In this way, the flexibility for the client regarding play out of different frame rates is increased which can result in a lower bandwidth utilization.
Method, terminal, and system for reproducing content
A method of reproducing content is provided. The method includes, when a sync terminal reproduces content by receiving the content from a source terminal via a certain network, reproducing the content in a mirroring mode during a certain time, buffering image data corresponding to the content to be reproduced after the certain time, during the certain time, and reproducing the content in a streaming mode after the certain time by using the buffered image data.
System and method for active transcoding of content in a distributed system
A system and method for streaming media and, more particularly, to a system and method for active transcoding of content in a distributed system. The method includes receiving a file having predetermined parameters and sizing the file up to an optimal packet size according to a logarithmic scheme. The optimal packet size is a largest packet size. In further aspects, the method also includes providing a computer infrastructure operable to perform the steps herein. The system includes a media service, rules engine, log based job creator and a stream constructor. A computer infrastructure having computer readable medium to perform the processes described herein is also provided.
Methods and computing systems for sharing cloud files using a social network
A computing system for sharing a cloud data file using a social network is disclosed. The system includes a social network server and a cloud server. The cloud server syncs data files between a plurality of computing devices associated with cloud user accounts. The system also includes computer executable instructions that when executed perform the method including providing to a social network user a selectable link in the social network, the selectable link associated with a particular data file stored on at least two of the plurality of computing devices in the cloud network, wherein the particular data file is synced between the at least two computing devices by the cloud server; and upon selection of the link by the social network user, causing the particular data file to be transferred to an additional computing device.
Method and device for filtering media packets
A method including: receiving, at a video conferencing device, a packet of a video conferencing media stream, the video conferencing device including a processor; determining, by the video conferencing device, whether a length of the packet is sufficiently long to contain media; sending a request to a Look-up Table memory using the media stream ID as an input value while in parallel determining, with the processor, whether the packet is a valid media packet; in response to receiving a destination address in a media processing network from the Look-up Table memory and determining that the packet is a valid media packet, modifying, by the video conferencing device, a header of the packet with the destination address received from the Look-up Table memory; and transmitting, by the video conferencing device, the packet to the modified destination address.
Collective operation management in a parallel computer
Methods, apparatuses, and computer program products for collective operation management in a parallel computer are provided. Embodiments include a parallel computer having a plurality of compute nodes coupled for data communications over a data communications network. Embodiments include a first compute node entering a collective operation. Each compute node of the plurality of compute nodes is associated with the collective operation. In response to entering the collective operation, the first compute node decreases power consumption of the first compute node.
Multiple avatar personalities
Perception of multiple online personas is enabled in an instant messaging communications session. At least two identities within a communications environment to whom messages may be directed are identified. A first persona of a user is enabled to be projected to a first of the identities while a second persona of the same user is enabled to be concurrently projected to a second of the identities. The first and second personas each include an avatar capable of being animated, and the first persona and the second persona differ.
Host enabled management channel
A logical communication path is provided between a target virtual machine (VM) and a host or application communicating with the VM. The target VM runs on a hypervisor host that has a hypervisor and a proxy agent. The hypervisor manages execution of the VM. A mapping is maintained indicating which VMs execute on which hosts. When the host or application is to send a message or packet to the target VM, the mapping is consulted and the hypervisor host hosting the target VM is identified. The message or packet, which may identify the target VM, is transmitted to the hypervisor host. A proxy agent at the hypervisor host selects a communication channel between the hypervisor and the target VM. The hypervisor then passes the message or packet through the selected channel to the target VM.
Communication system and computer readable medium
A communication system include: a first acquisition unit configured to acquire request information of session initiation and authentication information of session participation; a session management unit configured to establish the session between the first terminal and the second terminal; a second acquisition unit configured to acquire request information of session participation and the authentication information of session participation being input by a third terminal; and a participation determination unit configured to compare the authentication information of session participation obtained by the first acquisition unit with the authentication information of session participation obtained by the second acquisition unit, and the participation determination unit allowing the third terminal to participate in the session when the authentication information of session participation obtained by the first acquisition unit is identical to the authentication information of session participation obtained by the second acquisition unit.
Method and apparatus for distributed compositional control of end-to-end media in IP networks
A method and an apparatus for performing a distributed control of end-to-end media on packet networks such as Voice over Internet Protocol and Service over Internet Protocol networks are disclosed. The method first receives a request from a first media endpoint device for closing at least one media channel to a second media endpoint device wherein the request contains a descriptor of the first media endpoint device. The method then updates one or more slot states and link states in response to the request and records the current state of each slot for supporting the media channel. The method also records the most recently received descriptor of the media endpoint device as a most recent descriptor for the slot supporting the media channel. The method executes one or more link objects in response to the request for controlling the at least one media channel.
Operating a network node
Measures, including methods, apparatus and computer programs, for use in operating a network node. At the network node a database of session description protocol (SDP) precondition preference data for a plurality of network elements is maintained. A session initiation protocol (SIP) message directed towards a downstream network element is received. The received message includes SDP data. A lookup in the database in relation to the received SIP message is performed to retrieve SDP precondition preference data for the downstream network element. The received SIP message is processed according to the retrieved SDP precondition preference data. The processed SIP message is transmitted to the downstream network element.
Security considerations for outgoing communications
A method includes determining a topic and a media type of a communication to be sent from a sending communication device to a designated receiving communication device, assigning one or more security requirements to the communication based on the topic and the media type, identifying a security state of the receiving communication device for receiving the communication via the media type, and transmitting the communication from the sending communication device to the receiving communication device only in response to the security state of the receiving communication device satisfying the one or more security requirements.
Method and system for automated incident response
Methods, systems, and apparatus, including computer programs encoded on computer storage media, for implementing a response to one or more security incidents in a computing network. One of the methods includes identifying a security incident based on detecting one or more indicators of compromise associated with the security incident, comparing the security incident with a predefined ontology that maps the security incident to one or more courses of action, selecting a response strategy that includes one or more of the courses of action, and implementing the response strategy as an automated response.
Mitigating blockchain attack
A computer implemented method for detecting malicious events occurring with respect to a blockchain data structure comprising: defining a transaction creation profile according to which transactions can be generated and submitted to the blockchain; submitting a transaction to the blockchain, the transaction causing the generation of a profiler data structure in the blockchain including executable code to generate profile transactions to be submitted to the blockchain according to the transaction creation profile; monitoring the blockchain to identify profile transactions; and comparing identified profile transactions with the transaction creation profile to detect a deviation from the transaction creation profile, such detection corresponding to a malicious event occurring with respect to the blockchain.
Systems and methods for detecting and blocking malicious network activity
An authenticating device configured for network authentication is described. The authenticating device includes a processor. The authenticating device also includes memory in electronic communication with the processor. The authenticating device further includes instructions stored in the memory. The instructions are executable to intercept an authentication request sent to an authentication application program interface (API). The instructions are also executable to send the authentication request to a central server to identify malicious activity patterns based on authentication activity of a plurality of authenticating devices in a network environment. The instructions are further executable to determine whether to block an invocation of the authentication API based on blocking rules received from the central server.
Inferring security-sensitive entities in libraries
A method for analyzing a software library may include obtaining the software library, identifying a candidate security-sensitive entity in the software library, and generating a control flow graph that includes execution paths. Each execution path may include a public entry node corresponding to a public entry and a candidate security-sensitive entity node corresponding to the candidate security-sensitive entity. The public entry is a point where an application program external to the software library may access the software library. The method may further include determining whether each execution path in the control flow graph includes a permission check node between the respective public entry node and the candidate security-sensitive entity node in the respective execution path. Each permission check node may correspond to a permission check in the software library. The method may further include classifying, based on the determination, the candidate security-sensitive entity as a security-sensitive entity.
System and method for private social networking
System protects user's data on social networking websites by creating a data filter, which operates between the user and the social networks accessed by the user. The filter may be deployed as a user's web browser plug-in and operates in the following way. First, the filter encrypts all or some information that is posted by the user on a social network using SSL encryption technology. Second, to enable select other users of the social networking site to view the encrypted information, the instances of the filter executing on the accessing users' computers verify whether these users have access permission from the owner of the content and, if so, use the decryption key to decrypt the private data and enable the users to view it. The decryption key may be automatically passed to the instances of the filter running on the accessing users' computers. In an alternative implementation, the encryption and access control may be performed by a security/privacy mediator deployed on the network.
Utility portals for managing demand-response events
Various utility portals that enable utility companies to manage demand-response events are disclosed. The disclosed utility portals include several different options for enabling utility companies to communicate information to and received information from an energy management system. The energy management system can host the portal and can carry out a demand response event via intelligent, network-connected devices based on information provided by the utility company.
System for managing access to protected resources
A rules evaluation engine that controls user's security access to enterprise resources that have policies created for them. This engine allows real time authorization process to be performed with dynamic enrichment of the rules if necessary. Logging, alarm and administrative processes for granting or denying access to the user are also realized. The access encompasses computer and physical access to information and enterprise spaces.
Systems and methods for dynamic access control over shared resources
The disclosed computer-implemented method for dynamic access control over shared resources may include (1) detecting an attempt by a user to access a resource via a computing environment, (2) identifying a risk level of the user attempting to access the resource, (3) identifying a sensitivity level of the resource, (4) identifying a risk level of the computing environment through which the user is attempting to access the resource, (5) determining an overall risk level for the attempt to access the resource based at least in part on (A) the risk level of the user, (B) the sensitivity level of the resource, and (C) the risk level of the computing environment, and then (6) determining, based at least in part on the overall risk level, whether to grant the user access to the resource via the computing environment. Various other methods, systems, and computer-readable media are also disclosed.
Person authentication method
According to one embodiment, a person authentication method includes obtaining, from a medium carried by a person who passes through a first position, first information indicating the gender and the age of the person; performing a first authentication operation with respect to a person whose face image is included in a first image obtained by capturing a person passing through the first position; and setting, as the first authentication operation, an authentication operation to be performed using the face image of a person having the gender and the age specified in the first information.
Systems and methods for automated detection of login sequence for web form-based authentication
A system for automating login can determine if a web artifact, such as a web page, includes a login form, by identifying a password field, a user ID field, and a submit button or another element providing the functionality to submit credentials for authorization. Submission of user credentials may be emulated, and access to password protected areas can be ascertained, e.g., by identifying any element that permits signing out from the password protected area.
Method and apparatus for providing authentication session sharing
An approach is provided for providing authentication session sharing between browsers and run time environments in network communication. An interface receives an authentication context associated with a first service. The interface causes, at least in part, storage of the authentication context in a first cache associated with the interface. The interface causes, at least in part, population of the authentication context to a second cache associated with a second service. The second cache is not directly linked to the interface. The authentication context in the second cache authenticates access to the second service.
Systems and methods for containerized data security
Provided herein are systems and methods useful in facilitating containerized data security. The system may include a data store, a computer processing unit, a network interface, and memory. The memory may contain executable instructions for causing the system to perform a containerized data security method including obtaining a first external communication from a source external to the system; associating the first external communication with the first container; authenticating the first external communication with respect to the first container; providing the first external communication to an unencrypted instance of the first container in the memory; obtaining a first responsive communication from the unencrypted instance of the first container; and providing the first responsive communication to the source external to the system.
Networked score communications system
The disclosure relates to a telecommunication method for communicating scoring data over a network, comprising: sending, by a client application of a mobile telecommunication device, a request to a remote system via the network, the request comprising a user-ID of a user authenticated to the client application; in response to receiving the request, computing request-triggered, time-stamped scores selectively for physical objects assigned to the user; and selectively in case one of the current request-triggered scores differs from a request-triggered score computed in response to the last request of the same user for the same organization and the same physical object, returning the current and the previously computed request-triggered scores to the client application; regularly and independent of receiving the request, computing, by the remote system, scheduler-triggered, time-stamped scores of a plurality of physical objects irrespective of the user said physical object are assigned to, and comparing each scheduler-triggered score with the request-triggered score computed most recently for the same organization and the same physical object; upon determining that one of the scheduler-triggered scores differs from the most recently computed request-triggered score computed for said user for the same organization and physical object, sending a message from the remote system to another application running on the mobile telecommunication device, the message comprising the one computed score or an indication of a score change.
Access to documents in a document management and collaboration system
A method and apparatus for securing access to a document stored by a document management and collaboration system are disclosed. In the method and apparatus, access credentials pertaining to a document are obtained, whereby the access credentials are usable for authenticating a request to access the document. A message including the access credentials is then sent out-of-band in relation to a notification indicating availability of the document for access. The document management and collaboration system then receives a request to access the document, whereby the request includes the access credentials, and authenticates the request based at least in part on the access credentials.
Method, device, client and server for interaction
An interaction method, device, client and server are provided. The method includes that: a client scans a target two-dimensional code (for example, a Quick Response code) to acquire a URL of the target two-dimensional code; the client sends the URL to an associated third-party server; the client receives multifunction information returned from the third-party server according to the URL, wherein each piece of the multifunction interaction information includes interaction type information; the client interacts with the third-party server according to the multifunction information. The present disclosure makes it possible that: during scanning a two-dimensional code, a client can directly interact with a third-party server, the interaction applications can simply be acquired via scanning, instead of pre-scanning and manually initiating an interaction with the scanned contents, such that the operations are simple and convenient.
Secure data transmission and verification with untrusted computing devices
Techniques from the proposed invention relate to providing enhanced security. For example, techniques described herein allow a computer system, such as a mobile device, to support a wide variety of security functions and security sensitive applications on a mobile device by providing enhanced security via secure input and output data transmission and verification through a secure module. The secure module may cause user interfaces to be provided to users by providing obfuscated user interface data to the operating system that do not reveal elements that are part of the user interfaces. The secure module may receive obfuscated user input values representing user input values, and de-obfuscate these user input values, whereby the actual input values are not exposed to the underlying operating system. The secure module may track the flow of user input/output data through the computing device to ensure the integrity and authenticity of this data.
Distributed backup and retrieval system
A method is provided for performing distributed backup and retrieval of data. Data is sent by a plurality of client devices to be processed by a server and then stored in a database. A subset of the processed data stored in the database is backed up to each of the plurality of client devices. For the one or more particular client devices owned by a user, the subset of processed data stored on the one or more particular client devices is the subset of processed data that is associated with the user. The server and client device is updated to maintain the same state of processed data in the database and the backup. In the event of failure of either the database or a client device, processed data may be restored using the processed data stored on the database or the backup stored on the plurality of client devices.
Method and apparatus for selectively providing protection of screen information data
A method and apparatus for enabling a cloud server to provide screen information data indicating a screen to be displayed on a client device are provided. The method of enabling a cloud server to provide screen information data relating to a screen to be displayed on a client device includes: generating the screen information data; determining whether or not to protect the generated screen information data based on characteristics of an object configuring the screen; encrypting the provided screen information data based on the determining; and transmitting the encrypted the screen information data to the client device.
Private network peering in virtual network environments
Methods and apparatus for private network peering in virtual network environments in which peerings between virtual client private networks on a provider network may be established by clients via an API to a peering service. The peering service and API 104 may allow clients to dynamically establish and manage virtual network transit centers on the provider network at which virtual ports may be established and configured, virtual peerings between private networks may be requested and, if accepted, established, and routing information for the peerings may be specified and exchanged. Once a virtual peering between client private networks is established, packets may be exchanged between the respective client private networks via the peering over the network substrate according to the overlay network technology used by the provider network, for example an encapsulation protocol technology.
Communication chipset and apparatus secure from internet attack
A communication chipset and a communication apparatus are disclosed. A register map establishes a communication channel with a plurality of apparatuses, a first data link module sends/receives physical layer data of a first type and processes a data link layer in accordance with the first type, and a second data link module sends/receives physical layer data of a second type and processing a data link layer in accordance with the second type. Further, a first processing module is connected to the first data link module and the second data link module and filters out data link data from the first data link module and the second data link module by using setup data of a plurality of communication channels stored in the register map.
System and method related to domain name tracking and transfer
What is described is a system and method providing an improved customer experience for the Registrant. The Registrant is able to use a single interface to monitor multiple domain names as well as to transfer its domain names between Registrars. The single interaction with the single interface works out just as well and just as conveniently regardless of whether at the time a Registrant commences use of the system, a single Registrar happens to be handling all of the domain names, or whether each domain name is handled by a different Registrar.
Consistent binding of shared storage across clustered servers
An information handling system includes first and second nodes and a storage enclosure. The nodes share access to the storage enclosure. The nodes bind a logical unit number (LUN) in the storage enclosure consistently regardless of an order in which the two devices access the LUN. The system further preferably includes a switch between the nodes and the storage enclosure wherein multiple paths exist between a node and the storage enclosure. The storage enclosure preferably includes first and second storage processors and multiple ports per processor. The first node preferably includes first and second host bus adapters. The first host bus adapter preferably connects the node to a first of the switches and the second host bus adapter connects the node to a second of the switches. The system preferably includes multiple paths between the first node and a LUN in the storage enclosure.
Systems and methods for detecting and resolving split-controller or split-stack conditions in port-extended networks
A method for resolving split conditions in a port-extended network comprises receiving first information indicative of a first MAC address of a first controller on a first fabric link and second information indicative of a second MAC address of a second controller on a second fabric link. The method may also include determining that the first MAC address differs from the second MAC address and responsively determining that one of the first MAC address or the second MAC address was previously associated with a primary controller of the port-extended network. One of the first controller or the second controller is designated as the primary controller of the port-extended network based on the determination that one of the first MAC address or the second MAC address was previously associated with the primary controller.
Protocol addressing for client and destination identification across computer networks
Internet protocol addressing to uniquely identify clients and destinations across computer networks is provided. Communication between a proxy service and a DNS nameserver is facilitated to permit the DNS nameserver to send a subscriber identifier to the proxy service in response to a DNS request for a flagged domain name. The proxy service selects a unique IP address from a pool of IP addresses assigned to the proxy service. The proxy service associates the selected IP address with the subscriber identifier and optionally, the target domain name of the DNS request. The proxy service provides the unique IP address to the DNS nameserver which returns the unique IP address to the client device for the target domain name. The subscriber can then be authenticated at the proxy service transparently without input from the subscriber or client device based on the unique IP address provided by the client device to the proxy service.
Systems and methods to present messages in location-based social networking communities
Systems and methods to let users connect authentically with new people anywhere nearby in homes, offices, classrooms, dorms, bars, etc., where the users can be who they really are, and also say what they want without fear, using periodic anonymized posting of expiring content from an otherwise attributed user profile. Users put out a broadcast message and get back personal communications. A one-to-many message from a user results in a one-to-one private communication, which feature may be referred to as “social to personal”.
Methods and apparatus for targeting communications using social network metrics
A method for a computer system includes receiving a first user communication, determining a first group of users, determining a target number of users, determining whether the first group of users includes the target number of users, and if not, providing the communication to the first group of users, determining a hierarchal mapping of groups of users in response to user memberships, determining a second group of users from the hierarchal mapping, determining a plurality of social network relationship factors for the second group of users with respect to the first user, and providing the communication to at least a subset of users in the second group of users in response to the first plurality of social network relationship factors.
Contextually driven messaging system
A method may include receiving, by a computing device associated with a user, a message from an origination source and receiving, by the computing device, an audio input. The method may also include determining, by the computing device and based at least in part on the audio input and contextual information, a probability that the user intends to send a response message to the origination source. The method may further include, responsive to determining that the probability the user intends to send the response message to the origination source satisfies a threshold probability, determining, by the computing device, that the user intends to send the response message to the origination source. The method may also include, responsive to determining that the user intends to send the response message to the origination source, generating, by the computing device and based on the audio input, the response message, and sending, by the computing device, the response message to the origination source.
Instant messaging system and method
An instant messaging system comprising an instant messaging server to which a plurality of client devices are connectable to the Internet; where client device(s) belonging to a user is connectable to the instant messaging server by using an identifier of the user; wherein in a default mode an instant message is sent from a client device to the instant messaging server for routing to an intended recipient via Internet connection; and if the Internet connection is not available the instant message is routed via another electronic link to the instant messaging server for routing to an intended recipient, the another electronic link using a session-based protocol is disclosed.
Apparatus and method for encoding MDIO into SGMII transmissions
A method of communication between an Ethernet Media Access Controller (MAC) and a physical interface (PHY) is disclosed. The method includes establishing communication between the MAC and the PHY via a first serial link in accordance with a Serializer Deserializer (SERDES) protocol. In a data transfer mode, data is transferred along the first serial link. Idle frames are transferred within an idle time gap along the link in an idle mode. The PHY is managed by encoding Management Data Input/Output (MDIO) information in one or more MDIO frames, and transferring the one or more MDIO frames within the idle time gap along the first serial link.
Neighbor discovery using address registration protocol over ELMI
A system and method for mapping a network to facilitating configuration is disclosed. Address registration information is appended to an enhanced local management interface message sent between devices in a network of routers and switches. A network management system for an outside network can use that information to map out the network and configure the network as needed. The address registration information includes an Internet Protocol address and an interface index. The interface index includes both slot and port number.
Upgradable, high data transfer speed, multichannel transmission system
A local area network system that includes modular, multi-frequency, multi-channel, upgradable transmission nodes. The transmission nodes may include one or more independent RF modules and may be configured to include, for example, 802.11ac and may evolve to LTE and other technologies and frequency bands.
Method and apparatus for allocating resources
The present invention relates to a method and a device for allocating resources, where the method includes: providing, by an infrastructure management node, options to a service application; determining, according to a selection result of the options fed back by the service application, physical resources of a level corresponding to the selection result; and creating virtual resources on the physical resources of the level corresponding to the selection result, and provides the virtual resources to the service application. Correspondingly, the present invention provides an infrastructure management node, thereby satisfying a deployment requirement of the service application and guaranteeing QoS of the service application.
System and method for ordering of data transferred over multiple channels
A multiple channel data transfer system (10) includes a source (12) that generates data packets with sequence numbers for transfer over multiple request channels (14). Data packets are transferred over the multiple request channels (14) through a network (16) to a destination (18). The destination (18) re-orders the data packets received over the multiple request channels (14) into a proper sequence in response to the sequence numbers to facilitate data processing. The destination (18) provides appropriate reply packets to the source (12) over multiple response channels (20) to control the flow of data packets from the source (12).
Policy enforcement for upstream flood traffic
Systems, methods, and computer-readable media are provided for enforcing policy for upstream (e.g., traffic from an endpoint to the physical network layer or hardware fabric of a data center) flood traffic (e.g., broadcast, unknown unicast, or multicast traffic) originating from a virtual endpoint via a network fabric. In one embodiment, upstream flood traffic can be transmitted using a special multicast group to which only elements of the data center fabric (e.g., physical switches, routers) are subscribed. That is, upstream flood traffic is assigned to the special multicast group, resulting in unintended endpoints not receiving the flood traffic. However, the hardware fabric receives the flood traffic and will then enforce applicable policies to route the packets to intended endpoints.
Offline optimization for traffic engineering with segment routing
Various exemplary embodiments relate to a method of offline traffic matrix aware segment routing. The method may include receiving a traffic matrix based upon all the traffic between nodes i and j that is routed in the network; and determining the amount of traffic between nodes i and j will be routed through node k, based on minimizing a maximum link utilization for the traffic matrix by determining that the total amount of flow on a link e in the network is less than the link's capacity.
Reactive throttling of heterogeneous migration sessions in a virtualized cloud environment
An approach for reactive throttling of heterogeneous migration sessions running concurrently in a virtualized cloud environment is disclosed. The heterogeneous migration sessions are characterized by several attributes such as the type of function performed by the migration session and the value that is attained by performing the migration session. An input/output (I/O) path to any resource in the virtualized cloud environment computing that is experiencing excessive resource congestion is identified. Bottlenecks along the I/O path are then determined. Virtual-to-physical resource mapping information of resources in the virtualized cloud computing environment are used to obtain a list of the heterogeneous migration sessions contributing to the bottlenecks along the identified I/O path.
Traffic flow mobility with single host connection
There are provided measures for traffic flow mobility with a single host connection. Such measures exemplarily comprise the definition of a first binding between a set of home addresses of a host and an address of a first interface of a mobile access gateway to a local mobility anchor, the definition of at least one second binding between the same set of home addresses of the host and an address of at least one second interface of the mobile access gateway to the local mobility anchor, and the recording of a mapping between any one of the first and second bindings and traffic flows between the host and the local mobility anchor via a host connection to the mobile access gateway.
Mobile terminal, control node, packet transfer node, and method for controlling congestion
In one embodiment, a mobile terminaI (10) includes a wireless communication network (101) capable of connecting to a mobile communication network (1), a packet processing unit (102), and a control unit (103). The packet processlng unit (102) transmits or receives a user packet through the wireless communication unit (101). The control unit (103) transmits, to the mobile communication network (1), a message indicating whether or not to permit setting a congestion indication marking to an Explicit Congestion Notification (ECN)-enabled user packet in the mobile communication network (1).
System and method for software defined routing of traffic within and between autonomous systems with enhanced flow routing, scalability and security
An autonomous network and a corresponding routing method include determining routing paths by a controller, and providing the determined routing paths to a data packet processor located remotely from the controller. The data packet processor routes outgoing data packets, based on information from the controller, through a plurality of switches remotely from the data packet processor. Each switch includes a plurality of network interfaces. For an outgoing data packet, the data packet processor determines a network interface over which to transmit the data packet, and adds an indication of the determined network interface in a header of the data packet. The data packet processor forwards the modified data packet to the switch including the determined network interface. The switch identifies the network interface based on the indication, and transmits the outgoing data packet over the identified network interface.
Service specific route selection in communication networks
Methods, apparatus and articles of manufacture (e.g., physical storage media) to perform service specific route selection in communication networks are disclosed. Example route selection methods disclosed herein include determining respective component performance parameters for network components of a communication network based on a weighting profile associated with a first service from a plurality of different services for which traffic is to be routed in the communication network. Disclosed example route selection methods also include determining, based on the component performance parameters, respective path performance parameters for a plurality of candidate paths between two endpoints in the communication network. Disclosed example route selection methods further include selecting, based on the path performance parameters, a first one of the candidate paths to route traffic for the first service between the two endpoints.
Method and apparatus for reducing response time in information-centric networks
A method for reducing response times in an information-centric network includes receiving an indication from an ingress node of a content object entering a network, the content object associated with a new delivery flow through the network. An egress node in the network for the content object and a size of the content object are identified. A backlog and bandwidth for the new delivery flow is determined based in part on the size of the content object. Backlogs and bandwidths for existing delivery flows in the network are determined. A set of candidate paths in the network for the new delivery flow from the ingress node to the egress node is determined. For each candidate path, a total response time is estimated for completion of all delivery flows for each candidate path based on the backlog and bandwidth. The candidate path having the lowest total response time is selected for the new delivery flow.
Method of notifying function identification information and communication system
There is disclosed a notification method in a communication system of notifying specific multifunctionality information between terminal stations. An expansion code is generated from both a user input code and a function identification code corresponding to a specific function. A transmission frame including the expansion code is also generated and transmitted to at least one of the terminal stations.
Multi-rate overlay mode in wireless communication systems
A method is provided, which includes identifying a data transfer rate associated with a wireless communication device. The data transfer rate is identified from a group including a legacy data transfer rate and a plurality of non-legacy data transfer rates. In response to identification of a selected non-legacy data transfer rate, a selected non-legacy modulation scheme is identified, which is associated with the selected non-legacy data transfer rate. Modulation of a data payload is performed according to the selected non-legacy modulation scheme. A non-legacy header structure is formed that includes a non-legacy start-of-frame delimiter (SFD) and an identifier of the selected non-legacy modulation scheme. Modulation of the non-legacy header structure is performed according to the legacy modulation scheme. The modulated non-legacy header structure and the modulated data payload are assembled into a non-legacy frame having a structure that is different from a legacy frame structure specified by the legacy protocol.
Methods and systems for managing capacity in a virtualized network
An embodiment of the disclosure includes a method including providing a network function virtualization (NFV) capacity for a plurality of virtual network functions (VNFs) on a computing platform. A network function virtualization management function creates at least one VNF to operate on the computing platform to perform a network function. Each of the VNFs has a definition comprising a plurality of parameters. At least one of the parameters is a capacity indication relative to a capacity of the network function for the respective VNF.
Restricted-signal confirmation for high-throughput links
In order to maintain performance during wireless communication via a channel in a restricted band of frequencies, a transmitting electronic device may monitor for unknown wireless signals in the restricted band of frequencies. If unknown wireless signals are detected by a radio in the transmitting electronic device, the transmitting electronic device may transfer the communication to another channel (which may have poorer performance) in a band of frequencies outside of the restricted band of frequencies. Moreover, a separate radio in the transmitting electronic device may concurrently receive the unknown wireless signals in the channel and may analyze the unknown wireless signals based on a target signature. If the unknown wireless signals do not match the target signature, the transmitting electronic device may transfer the communication back to the channel to restore the performance.
Infrastructure trending tool
Embodiments of the invention are directed to systems, methods and computer program products for use in providing infrastructure trending within a network environment. The apparatus proactively queries computing devices within the networked environment and generates infrastructure trending data. An exemplary apparatus is configured to execute an electronic data collection script on one or more computing devices within a networked environment; store the collected machine information in a storage location, whereby the machine information can be accessed, via the storage location, for use in providing infrastructure trending data; receive a request to display an infrastructure trend associated with the network environment; in response to receiving the request, analyze the collected machine information; and generate at least one graph based on the collected machine information, wherein the at least one graph displays the infrastructure trend associated with the network environment.
Automatic user redundancy determination
The embodiments presented herein provide an automated process for provisioning a user in a communication system. A session manager, which can be a server in the communication system that provides call connection and routing, may receive registration request from communication device (e.g. a cellular telephone, an IP-enabled phone, etc.). The session manager may determine one or more characteristics about the communication device and/or determine a load on one or more other session managers in a cluster of session managers. Based on both the communication device characteristics and/or the loads on the two or more session managers, the session manager can determine a set of session managers, which may include a primary session manager and a secondary session manager, which can manage the user data for the communication device. This session manager set information may then be sent to the communication device and to other session managers in the cluster. The set of session managers may then manage the user data for the communication device.
System and method for monetizing switching of web service messages
The present system and method comprises an improved marketplace for providing and consuming services. Using the present system, generally via one or more APIs, comprises a method for integrating value added services within a network of participants, for instance, a payment network. The network can use service switching capabilities to route service calls to and from the service consumers and providers using routing elements defined in a message specification. Network participants can be both consumers and providers of services. The network can route service messages to the appropriate provider depending on details in the message.
Determining the operations performed along a service path/service chain
Presented herein are techniques performed in a network comprising a plurality of network nodes each configured to apply one or more service functions to traffic that passes the respective network nodes in a service path. At a network node, an indication is received of a failure or degradation of one or more service functions or applications applied to traffic at the network node. Data descriptive of the failure or degradation is generated. A previous service hop network node at which a service function or application was applied to traffic in the service path is determined. The data descriptive of the failure or degradation is communicated to the previous service hop network node.
Method and system for adjusting heavy traffic loads between personal electronic devices and external services
A network traffic monitoring system monitors communications that a large number of personal electronic devices will direct to various services via various proxies. When a detection system determines that the volume of requests directed to at least one of the services exceeds a capacity limit threshold, a control system will command the proxies to instruct the devices to slow or stop the service requests until the system determines that it is clear to resume communication.
Link clouds and user/community-driven dynamic interlinking of resources
A network-based communication and information discovery solution that pertains to network-accessible resources and the use of interlinks among resources. In one embodiment, dynamic interlinking of resources is proposed, wherein the resources reside in a web-based system and are accessible via web-clients. The resources can be representable by an administrator in a graph-like structure interlinking the resources with each other and thus defining a navigation model. An extended navigation model can be implemented by a user-generated, individual or collaborative interlinking functionality.
Managing computing resources by predicting resource usage
Resources can be managed by predicting resource usage. For example, a first computing resource having a first attribute with a first value can be identified. A second computing resource having a second attribute with a second value can also be identified. A configuration parameter can be determined based on at least one of historical data or a predetermined probability. A predetermined model can be used to predict a first amount of interest in the first computing resource based on the first value, the second value, and the configuration parameter. The predetermined model can also be used to predict a second amount of interest for the second computing resource based on the first value, the second value, and the configuration parameter. Information related to the predicted first amount of interest in the first computing resource and the predicted second amount of interest in the second computing resource can be transmitted.
Network service incident prediction
A device may obtain first information related to network devices of a network. The device may obtain second information related to the network devices and/or to one or more historic network service incidents. The one or more historic network service incidents may be related to network services provided in association with the network devices. The one or more historic network service incidents may include outages and/or degradations of one or more network services. The device may perform an analysis of the first information and the second information. The device may train a predictive model based on the analysis of the first information and the second information. The predictive model may predict a probability of a future network service incident based on the first information and/or the second information. The device may cause third information, related to the network devices, to be monitored based on the predictive model.
Quality of service for high network traffic events
A computer program product with instructions for providing quality of service includes identifying a high network traffic event at a node, providing a user score to each user account of a plurality of user accounts, wherein the plurality of user accounts corresponds to a plurality of user devices connected to the node, and responsive to identifying the high network traffic event, providing instructions to a subset of user devices of the plurality of user devices, wherein the instructions instruct the subset of devices to enter a low traffic mode, and wherein each device of the subset of devices corresponds to a user account with a user score below a threshold.
mDNS support in unified access networks
Methods, systems and computer readable media for mDNS support in unified access networks are described.
Network controller and a computer implemented method for automatically define forwarding rules to configure a computer networking device
A network controller and a method for automatically define forwarding rules to configure a computer networking device,The network controller (100) is connected to a sub-network (A) of a communication network and comprises: a controller manager (101) that receives a request for a given service, defines forwarding rules related to said service and installs the defined forwarding rules into a computer networking device (120a) in order to configure it for said given service; a deciding module (102) configured to communicate with the controller manager (101) and configured to interact with a DNS server (150) to receive a determined resolution for a DNS request of said request for said given service, and with a database (300) to retrieve information supplementary for the DNS request, in order to assist the controller manager (101) in performing the defining of the forwarding rules; and a plurality of interfaces (SA, SB, SD) for allowing the communication between the different elements.
Enabling planned upgrade/downgrade of network devices without impacting network sessions
Exemplary embodiments for enabling planned network changes such as an upgrade or downgrade of a network device are disclosed. The systems and methods provide for planned upgrades and downgrades for network devices without impacting existing network sessions, by utilizing two network devices simultaneously, and creating a redirect network session for a predetermined period of time. In so doing, all network traffic may be gradually transferred to the second network device, until the sessions processed by the first network device time out. The first network device can then be taken offline for upgrade or downgrade, without any disruption to the network service or loss of network traffic.
Deep linking to mobile applications
Techniques are described for providing deep linking capability from any mobile app to any other mobile app in a way that is scalable. App configuration information (including deep link information) is programmatically accumulated and provided to mobile devices in a way that enables launching or linking to mobile apps to meet expressed information needs of users. In addition, online marketplaces are described that employ such techniques to enable a wide variety of transaction types.
A system includes a configuration server, a client device, and a VPN system. The configuration server is configured to send a configuration profile to a client device. The configuration profile is configured to cause the client device to connect to a VPN system without user input and send network traffic through the VPN system. The client device is configured to receive the configuration profile and apply the received configuration profile such that the client device is configured to connect to the VPN system without user input and send network traffic through the VPN system. The VPN system is configured to receive the network traffic sent by the client device through the VPN system and record information about the network traffic sent by the client device through the VPN system.
Method and apparatus for mitigating network failures
A network may include a method that includes, for example, receiving a communication request responsive to a telephone number mapping query failure, where the communication request is initiated by an originating communication device requesting a communication session with a terminating communication device, foregoing initiating the communication session as a circuit-switched communication session responsive to determining that the originating communication device and the terminating communication device are enabled to use packet-switched communications, and instructing a second network node to initiate the communication session as a packet-switched communication session between the originating communication device and the terminating communication device responsive to the determination. Other embodiments are disclosed.
Method, apparatus, and system for controlling a computer device through a mobile terminal
A control center receives a control instruction sent from a mobile terminal, forwards the control instruction to a computer device associated with the mobile terminal, and the computer device calls an execution module to execute the control instruction.
Methods and systems for service discovery management in peer-to-peer networks
Certain embodiments of the present disclosure relate to a method and an apparatus for managing and optimizing service discovery in a peer-to-peer (P2P) wireless network. Nodes of the P2P network advertise their capabilities to their peers in the form of services. Efficient propagation and management of node's services to other nodes is proposed in the present disclosure.
Automated delivery of multimedia content
A system adapted to provide multimedia content to a set of users is described. The system includes: a storage adapted to store at least one multimedia content item, each multimedia content item associated with a publisher-user; a set of destination devices, each destination device associated with a subscriber-user, each subscriber-user being associated with the publisher-user; and a server adapted to provide each multimedia content item to the set of destination devices. A method adapted to allow a creator to generate and distribute at least one multimedia content item to a set of subscribers is also described. In addition, a server application adapted to provide at least one multimedia content item to a set of destination devices is described. Furthermore, a server application adapted to allow a creator to compose a multimedia content item is described.
Transmission method and system using an adaptive and programmable hierarchical modulation
A method for transmission of a signal simultaneously including a first stream of binary data and one or more other streams of binary data, the method including, in the following order: dynamic distribution of bits of the data streams between coders, with one coder per data stream; coding the distributed bits using the coders; dynamic distribution of the coded bits between hierarchical levels of a modulator; and hierarchical modulation using the modulator.
Broadcast signal transmitter, broadcast signal receiver, and method for transceiving broadcast signals in broadcast signal transceivers
A broadcast signal receiver according to the present invention comprises: a demodulator for performing OFDM demodulation on a received broadcast signal including a frame for the delivery of a broadcast service: a frame demapper for outputting the frame, the frame including a preamble that contains first signaling information, and a plurality of link-layer-pipes (LLPs) that contain PLP data, second signaling information and third signaling information, with the PLP data including a base layer and an enhancement layer of the broadcast service; and a decoder for decoding the first signaling information, for decoding the second and third signaling information, and for selectively decoding the PLP data by using the third signaling information.
Communication system and method for achieving low peak-to-average power ratio
The present disclosure generally relates to a wireless communication system that provides lower peak to average power ratio (PAPR). In particular, the present disclosure pertains to communication systems and methods for achieving low peak to average power ratio (PAPR) for transmitted symbols of wireless devices. In an aspect, the present disclosure relates to transmitter of a communication system, wherein the transmitter can include a source encoding module that is configured to generate source coded symbols from information to be transmitted by the transmitter, a preset values based multiplication module that is configured to multiply M symbols from the generated source coded symbols with M preset values to generate a first set of multiplied samples, and an N-point IDFT module that is configured to process the first set of multiplied samples to obtain a first set of inverse discrete Fourier transform (IDFT) samples for onward transmission to a receiver.
Wireless transmitter using a wideband digital-to-analog converter for processing multiple channels in a digital radio-frequency signal
A wireless transmitter processing chain includes digital radio frequency mixing circuitry to generate, in digital form, a representation of a transmit signal including multiple communication channels. From the digital representation, a wideband digital to analog converter creates the analog transmit signal that includes the communication channels. Individual mixers and filters follow, with mixing frequencies tuned to place the communication channels at the desired frequency centers.
Circuit for and method of receiving an input signal
A continuous time linear equalizer comprises an input of a first equalizer path configured to receive a first differential input signal; an input of a second equalizer path configured to receive a second differential input signal; a first programmable load capacitor coupled to an output of the first equalizer path; a second programmable load capacitor coupled to an output of the second equalizer path; and a programmable source capacitor coupled between the first equalizer path and the second equalizer path.
Route mapping at individual nodes of a cluster server
Each compute node of a cluster compute server generates and maintains route information for routing messages to other nodes of the server. Each compute node identifies the other nodes connected to a fabric interconnect and generates, based on a set of routing constraints, routes to each of the other nodes. Each compute node communicates messages to other nodes of the server via the generated routes. Because the routes are generated at each compute node the processing load to generate the routes is distributed among the compute nodes.
Methods and apparatuses for implementing network packet brokers and taps
Arrangements and methods for improving data communication in a network are disclosed. The method includes receiving data packets and segregating the data packets into at least original packets and replicated packets. The method also includes prioritizing original packets having service level agreement (SLA) requirements, the prioritizing is performed with respect to at least one of queuing and de-queuing such that SL parameters for the original packets met.
Flooding packets on a per-virtual-network basis
Methods and techniques for flooding packets on a per-virtual-network basis are described. Some embodiments provide a method (e.g., a switch) which determines an internal virtual network identifier based on one or more fields in a packet's header. Next, the method performs a forwarding lookup operation based on the internal virtual network identifier. If the forwarding lookup operation succeeds, the method can process and forward the packet accordingly. However, if the forwarding lookup operation fails, the method can determine a set of egress ports based on the internal virtual network identifier. Next, for each egress port in the set of egress ports, the method can flood the packet if a virtual network identifier in the packet's header is associated with the egress port. Flooding packets on a per-virtual-network basis can substantially reduce the amount of resources required to flood the packet when a forwarding lookup operation fails.
Fast reroute of redundant multicast streams
A system and method for selecting packets to be forwarded from redundant multicast streams. A primary multicast stream and a secondary multicast stream are received, wherein the primary multicast stream and the secondary multicast stream are redundant multicast streams received over disjoint multicast forwarding paths. A hardware-based analyzer in a forwarding plane of the network device is applied to detect when a quality of one of the primary multicast stream or the secondary multicast stream has fallen below a threshold. In response to detecting that a quality of one of the primary multicast stream or the secondary multicast stream has fallen below a threshold, selecting, via a thread executing in a forwarding component of the network device, a different one of the primary multicast stream or the secondary multicast stream having a quality that meets the threshold, wherein selecting includes dynamically rewriting next hop operations associated with the selected stream. Packets received on the selected one of the primary multicast stream or the secondary multicast stream are forwarded and packets of the multicast stream received on the other one of the primary multicast stream or the secondary multicast stream for which the quality has fallen below the threshold are discarded.
A method for managing virtual meetings includes initiating participation with a first user interface in a first meeting, initiating participation with the first user interface in a second meeting, determining whether attention of a user is directed towards the first meeting or the second meeting, and configuring the user interface such that the user interacts with meeting resources associated with the first meeting responsive to determining that the attention of the user is directed towards the first meeting.
Authenticating nonces prior to encrypting and decrypting cryptographic keys
Data security is enhanced by computing an authentication tag based at least in part on encrypted data and additional authenticated data that includes at least a nonce. The computed authentication tag is compared against a provided authentication tag. The encrypted data is decrypted and made available for use.
System and method for cryptographic key identification
A system includes a MEMS device and a key generating device formed over the substrate. The key generating device is configured to generate a cryptographic key based on a property of the MEMS device and the MEMS device is configured to output a signal indicative of a sensed parameter. The generated cryptographic key is based on the influenced output signal of the MEMS device.
Secure provision of a key
The embodiments relate to a method and a digital circuit area for securely providing a key using a request unit and a provision unit. In this case, a key is derived from parameters, at least one of which is used for the key derivation in a non-predefinable manner by the request unit. In this case, the key derivation is carried out in a digital circuit area in which the request unit and the provision unit are implemented.
Cryptographic processor, method for implementing a cryptographic processor and key generation circuit
A cryptographic processor is described comprising a processing circuit configured to perform a round function of an iterated cryptographic algorithm, a controller configured to control the processing circuit to apply a plurality of iterations of the round function on a message to process the message in accordance with the iterated cryptographic algorithm and a transformation circuit configured to transform the input of a second iteration of the round function following a first iteration of the round function of the plurality of iterations and to supply the transformed input as input to the second iteration wherein the transformation circuit is implemented using a circuit camouflage technique.
Spectrum enhancement and user equipment coexistence through uplink/downlink decoupling for time division duplexing and through non-continuous frame structures for frequency division duplexing
Mobile devices, base stations, and/or relay stations may implement methods for decreasing required guard bands while also minimizing Adjacent Channel Leakage Ratio, when multiple mobile devices communicate over different respective adjacent specified frequency bands. For communications over at least one specified frequency band of the different respective adjacent frequency bands, a first bandwidth of uplink communications and/or a second bandwidth of downlink communications may be adjusted to differ from each other, and/or a communications bandwidth within the specified frequency band may be adjusted to be of a first size during a first portion of a specified data transmission period and to be of a second size during a second portion of the specified data transmission period, when at least some of the communications over the specified frequency band take place at frequencies adjacent to frequencies at which at least some of the communications take place over another specified frequency band.
Apparatus and method for cancelling inter-cell interference in communication system
The present disclosure relates to an apparatus and method for canceling and/or suppressing inter-cell interference in a wireless communication. The method includes: establishing a Radio Resource Control (RRC) connection with a base station through a first serving cell; receiving, at a User Equipment (UE), an RRC message through the first serving cell, the RRC message comprising cell-specific reference signal (CRS) information of a neighbor cell and Physical Downlink Shared Channel (PDSCH) information of the neighbor cell, and the PDSCH information of the neighbor cell comprising a parameter relating to a power ratio of a CRS of the neighbor cell and a PDSCH of the neighbor cell; receiving the PDSCH through the first serving cell; performing a channel estimation for retrieving data from a PDSCH of the first serving cell; and retrieving the data from the PDSCH of the first serving cell based on the second channel estimation.
Apparatus and method for transitting channel quality indicator and acknowledgement signals in SC-FDMA communication systems
A method and apparatus are provided for transmitting one or more positive or negative acknowledgement (ACK/NACK) bits in response to data reception in a single-carrier frequency division multiple access (SC-FDMA) communication system. The method includes, if the one or more ACK/NACK bits are one bit, applying a first code to a first symbol, if the acknowledgement bit is NACK, and applying a second code to the first symbol, if the acknowledgement bit is ACK; if the one or more ACK/NACK bits are two bits, applying quadrature phase shift keying (QPSK) modulation to the first symbol based on a value of the two ACK/NACK bits; if no ACK/NACK bit exists, applying the first code to the first symbol; and transmitting the first symbol and a second symbol in a slot.
Method and apparatus for supporting AMD re-segmentation
A method and apparatus for acknowledge mode data (AMD) re-segmentation are disclosed. An AMD protocol data unit (PDU) is generated from at least one RLC SDU. The AMD PDU size is within a flexible maximum AMD PDU size. The original AMD PDU is stored in a retransmission buffer, and transmitted. If transmission of the original AMD PDU fails and the original AMD PDU size is larger than an updated maximum AMD PDU size, the original AMD PDU is segmented to segmented AMD PDUs. If transmission of one of the segmented AMD PDUs fails, the original AMD PDU may be re-segmented to smaller size AMD PDUs.
Grouping of CS and comb values for DM-RS and SRS on shared time-frequency resources
A method for grouping of CS (and comb values) for DM-RS and SRS on shared time-frequency resources is described. The method includes dividing a RS space into at least a first region and a second region. The method also includes allocating, from the first region, a DM-RS sequence CS and/or a DM-RS comb for a DM-RS; and allocating, from the second region, a SRS sequence CS and/or a SRS comb for a SRS. The DM-RS and the SRS are on the same resources on an uplink shared channel (such as a PUSCH for example). The RS space comprises at least one of a CS set and a IFDM comb set. The CS set and/or the IFDM comb set of the first region is based at least in part on a number of physical resource blocks allocated to the uplink shared channel. Apparatus and computer readable media are also described.
Apparatus for transmitting and receiving a signal and method of transmitting and receiving a signal
The present invention relates to method of transmitting and receiving signals and a corresponding apparatus. One aspect of the present invention relates to a method of receiving a signal, which includes an L1 signaling region where the L1 signaling has an adaptive L1 block structure for increased spectrum efficiency in a channel bonding environment.
Mechanisms for single user (SU) and multiple user (MU) transmission and association via polling within wireless communications
A wireless communication device (alternatively, device) includes a processor configured to support communications with other wireless communication device(s) and to generate and process signals for such communications. In some examples, the device includes a communication interface and a processor, among other possible circuitries, components, elements, etc. to support communications with other device(s) and to generate and process signals for such communications. A device generates and transmits a resource and association poll frame (ra-poll frame) to other device(s). The contents of ra-poll frame direct which of the other device(s) is authorized to respond to the device (e.g., authorized device(s)) and the manner in which they are authorized to respond. Authorized device(s) transmit responses that may include association request(s) and/or a resource request(s), among other types of communications. The device then generates and transmits acknowledgement(s) (ACK(s)) indicates successful receipt of any responses from the authorized device(s).
Communication apparatus and communication method
A wireless communication base station apparatus prevents degradation of throughput of LTE terminals, even when LTE terminals and LTE+ terminals are present together. A setting section sets in each subframe a resource block in which is arranged a reference signal that is employed solely by LTE+ terminals, based on the pattern of arrangement of reference signals employed solely by LTE+ terminals. As to symbols that are mapped to antennas (110-1) to (110-4), an arrangement section arranges the characteristic cell reference signals employed by both LTE terminals and LTE+ terminals in all of the resource blocks in a single frame. In contrast, as to symbols that are mapped to antennas (110-5) to (110-8), the arrangement section arranges in some of the resource blocks, that are set in accordance with the setting results input from a setting section, the characteristic cell reference signals that are employed solely by the LTE+ terminals.
Transmitting/receiving system and broadcast signal processing method
The invention relates to a transmitting system, comprising an SNS client that receives SNS messages from at least one SNS server, and a transmitter which transmits a broadcast signal, including the SNS messages and mobile service data, for a mobile broadcast. The transmitter includes: an RS frame encoder, which performs RS encoding and CRC encoding on the mobile service data for the mobile broadcast so as to build RS frames, and divides each RS frame into a plurality of portions; a group-forming unit, which forms data groups that contain each of the plurality of portions, and which adds known data sequences and signaling data to each data group; an inter-leaver for interleaving data of the data groups; and a trellis encoding unit for trellis-encoding the interleaved data.
Method and apparatus for transmitting uplink control information
In the field of wireless communication, a method and an apparatus for transmitting Uplink Control Information (UCI) are provided. The method includes: determining a codeword corresponding to the UCI among multiple codewords according to a preset rule when the UCI is transmitted on a Physical Uplink Shared Channel (PUSCH) with the multiple codewords (101); and transmitting the UCI by mapping the UCI onto the corresponding codeword (102). The apparatus includes a determining unit and a transmitting unit. The method and the apparatus provide a solution to transmitting UCI on a PUSCH with multiple codewords. This solution can be implemented easily based on LTE R8, without involving too much additional work of standardization.
Wireless sensing with time reversal
In examples, Radio Frequency Iterative Time-Reversal (RF-ITR) and singular value decomposition (SVD) are used by an array of nodes to characterize environment by identifying scatterer objects. The array may be ad hoc dynamic or stationary. The environment is cancelled from the RF-ITR by adjusting Time-Reversal (TR) prefilters, reducing illumination of the scatterer objects in the environment. This enables the RF-ITR process to focus on a moving target, which can then be sensed (discovered, identified, monitoring, tracked, and/or imaged). The moving target on which the RF-ITR process focuses may then be cancelled from the RF-ITR in the same way as the environment, allowing the RF-ITR to focus on another target. Multiple moving targets can thus be sensed. Defensive measures such as jamming may then be taken against the targets. The targets may be distinguished from the scatterer objects in the environment through differential, Doppler processing, and other classification techniques.
Electromagnetic signal transport and distribution system
An electromagnetic signal transport and distribution system and method provides for aggregating signals from multiple transport media and for distributing the signals to multiple end points in one or multiple formats to suit end user devices.
Method of transmitting data in a mobile communication system
Disclosed is a data transmission method in a mobile communication system. The data transmission method through a code sequence in a mobile communication system includes grouping input data streams into a plurality of blocks consisting of at least one bit so as to map each block to a corresponding signature sequence, multiplying a signature sequence stream, to which the plurality of blocks are mapped, by a specific code sequence, and transmitting the signature sequence stream multiplied by the specific code sequence to a receiver.
Co-existence-aware communication in shared spectrum
Techniques for co-existence between wireless Radio Access Technologies (RATs) and related operations in shared spectrum are disclosed. Operation on a communication medium shared between RATs may be managed by a transceiver configured to operate in accordance with a first RAT and to monitor the medium for signaling associated with a second RAT. A medium analyzer may be configured to determine one or more Time Division Multiplexing (TDM) parameters of a TDM communication pattern associated with the second RAT based on the monitored signaling. A transmission controller may be configured to set one or more transmission parameters for the first RAT based on the determined one or more TDM parameters. The transceiver may be further configured to transmit on the medium in accordance with the one or more transmission parameters.
Clock synchronization using multiple network paths
A network device includes one or more ports coupled to a network, and a time synchronization module. The time synchronization module processes (i) respective path information, and (ii) respective time synchronization information included in each of at least some of a plurality of time synchronization packets received from a master clock device over two or more different communication paths and via at least one of the one or more ports, wherein the respective path information indicates a respective communication path in the network via which the respective time synchronization packet was received. The time synchronization module determines a system time clock responsive to the processing of the path information and the time synchronization information included in the at least some of the plurality of time synchronization packets.
User terminal, radio base station, downlink control channel receiving method and mobile communication system
The present invention is designed such that it is possible to optimize the effect of improving the efficiency of use of radio resources even when the number of user terminals to be multiplexed over the same radio resources is further increased. A user terminal performs downlink communication with a radio base station using a PDCCH resource region and a PDSCH resource region. The user terminal detects the starting position of the radio resources where the PDSCH and the PDCCH are frequency-division-multiplexed in the PDSCH resource region in the time direction, and receives the PDCCH that is frequency-division-multiplexed over the radio resources starting from the detected starting position.
Method and apparatus for radio signal strength detection and reporting
A system includes a processor configured to determine signal strength of a broadcast radio signal received at a vehicle. The processor is also configured to wirelessly transmit the determined signal strength, a corresponding radio station identifier and GPS coordinates where the vehicle was located when the signal strength was determined to a remote server responsive to occurrence of one or more predefined reporting conditions.
Radio frequency generator automated test system
A test system for monitoring the performance of a radio frequency signal generator is introduced. The system operates to predict approaching or imminent failure of the radio frequency generator. The system includes a directional coupler, a first detector, a second detector, and a processor to collect, process, and analyze data from the radio frequency generator under test.
Mobile wireless communications device with reduced interfering energy from the display and related methods
A mobile wireless communications device includes a housing and circuit board carried by the housing and includes radio frequency (RF) circuitry and a processor carried by the circuit board and operative with each other. A display connector for an LCD connector is mounted on the circuit board and adapted to be connected to a display. Display connection lines are carried by the circuit board and interconnect the display connector and processor for carrying signals from the processor to the display connector and a connected display. Filters are carried by the circuit board and connected to the display connection lines and reduce any interfering energy from the processor and display.
Cycle slip compensation in a coherent receiver
A receiver architecture and method recovers data received over an optical fiber channel in the presence of cycle slips. In a first cycle slip recovery architecture, a receiver detects and corrects cycle slips based on pilot symbols inserted in the transmitted data. In a second cycle slip recovery architecture, a coarse cycle slip detection is performed based on pilot symbols and a cycle slip position estimation is then performed based on carrier phase noise. The receiver compensates for cycle slips based on the position estimation.
Coherent optical receiver testing
An heterodyne apparatus and method for measuring performance parameters of a coherent optical receiver at RF frequencies is disclosed. Two coherent lights are launched into signal and LO ports of the receiver with an optical frequency offset f. One of the lights is modulated in amplitude at two phase-locked modulation frequencies F1 and F2. COR performance parameters are determined by comparing two frequency components of the COR output. The group delay variation (GDV) information is obtained by comparing phases of two time-domain traces corresponding to frequency components of the COR output signal at the two modulation frequencies shifted by the optical frequency offset f.
Wavelength division multiplexing passive optical network system
This disclosure describes a wavelength division multiplexing passive optical network system (100) comprising an optical line terminal (180) for controlling transmission of data that are carried by optical signals across the optical network system along an upstream or downstream path; a signal modulating loop circuit including a circulator (110) connected to the optical line terminal (180) for determining the transmission paths of the optical signals; a splitter (120) connected to the circulator (110) for splitting the optical signals into a first portion of optical signals and a second portion of optical signals according to a predetermined ratio; an amplifier (160) connected to the splitter (120) for amplifying the second portion of optical signals; and a modulator (170) connected in between the amplifier (160) and the splitter (120) for modulating the amplified second portion of optical signals to be transmitted to the circulator (110); a converter (140) connected to the splitter (130) for converting the first portion of optical signals into electrical signals; and one or more optical network units (150) connected in between the converter (140) and modulator (170) for receiving the electrical signals from the converter (140), and transmitting electrical signals to the modulator (170) for converting the electrical signals into optical signals to be transmitted together with the amplified second portion of optical signals to the optical line terminal (180); wherein the circulator (110) directs the optical signals received from the modulator (170) to the splitter (120) for being transmitted back into the signal modulating loop circuit and/or towards the optical network units along the downstream path, or towards the optical line terminal along the upstream path.
Re-modulation crosstalk and intensity noise cancellation in wavelength-division multiplexing (WDM) passive optical networks (PONs)
An apparatus comprising a signal generator configured to produce a modulation signal, a filter coupled to the signal generator and configured to filter the modulation signal to produce a cancellation signal, and a reflective semiconductor optical amplifier (RSOA) coupled to the signal generator and the filter, wherein the RSOA is configured to generate an optical signal according to a difference between the modulation signal and the cancellation signal and transmit the optical signal towards a partial reflection mirror (PRM).
Optical source, communications network optical apparatus and communications network base station
There is provided an optical source. The optical source comprises a reflective optical amplifier configured to generate an optical signal, the optical signal comprising an amplified spontaneous light emission having a plurality of light modes each having a respective wavelength. The optical source further comprises a reflective mirror, spaced from the reflective optical amplifier, and arranged to receive the optical signal and to rotate a polarization of each light mode in the received optical signal, to form a further optical signal. The optical source further comprises an optical power splitter arranged to receive the further optical signal and to split the further optical signal into a first optical signal which is directed to the reflective optical amplifier for amplification thereby, and a second optical signal. The optical source further comprises an output arranged to output the second optical signal. There is also provided a communications network optical apparatus and a communications network base station.
Optical receiver with optical transmitter-specific dispersion post-compensation
An apparatus comprising a frontend configured to convert an optical IM signal associated with a remote optical transmitter into a plurality of analog electrical signals, determine a plurality of DC offsets for the analog electrical signals, remove the DC offsets from the analog electrical signals to produce a plurality of DC-free analog signals, and convert the DC-free analog signals into a plurality of DC-free digital signals, and a DSP unit coupled to the frontend and configured to perform fiber dispersion compensation on the DC-free digital signals according to a dispersion value associated with the remote optical transmitter to produce a plurality of DC-free compensated digital signals, and add the DC offsets to the compensated digital signals to produce a plurality of DC-restored compensated digital signals.
Method and apparatus for distortion correction in optical communication links
In some embodiments, an apparatus includes an optical transmitter module that can be electrically coupled to an electrical serializer/deserializer and a controller. The optical transmitter module can include an electrical detector that can receive an in-band signal. The electrical detector can send to the controller a first power error signal and a second power error signal based on the in-band signal. The controller can send a correction control signal to the electrical serializer/deserializer based on the first power error signal and the second power error signal such that the electrical serializer/deserializer sends a pre-emphasized signal to the optical transmitter module based on the correction control signal. In such embodiments, the first power error signal, the second power signal and the correction control signal are out-of-band signals.
Deploying line-of-sight communication networks
Various of the disclosed embodiments relate to line-of-sight (LOS), e.g., optical, based networks. Systems and methods for determining where to place and how to configure nodes in an optically connected network across a geographic region are provided. Various factors concerning the region may be collected, including, e.g.,: building locations and height, building types, population densities, backbone connection locations, recurring weather factors, geographic elevation, etc. The algorithm may iteratively place nodes based upon the accessible range of a preceding contemplated node position.
Signal detection systems and methods on a fiber carrying multiple wavelengths
Systems and methods to detect a wavelength of interest (λRX) amongst one or more wavelengths (λ1, λ2, . . . , λN) include receiving the one or more wavelengths (λ1, λ2, . . . , λN); using a portion of a transmitted wavelength (λTX) as a Local Oscillator (LO) signal to perform performing coherent detection with the one or more wavelengths, wherein the transmitted wavelength (λTX) and the wavelength of interest (λRX) are a bi-directional communication link; and determining a presence of the wavelength of interest (λRX) based on the coherent detection.
Automatic rogue ONU detection
Methods, systems, and apparatus for automatically identifying rogue Optical Network Unit (ONU) are disclosed. In one aspect, an Optical Line Terminal (OLT) determines dark power on a fiber optic link over a period of time. For a given ONU, the OLT determines an optical power of high signals and an optical power of low signals received over the fiber optic link during a timeslot assigned to the given ONU, determines a modified optical power of the high signals and a modified optical power of the low signals based on differences between the optical power of the respective signals and the dark power, determines an extinction ratio based on a ratio of the modified optical power of the high signals relative to the modified optical power of the low signals, and identifies the given ONU as a rogue ONU when the extinction ratio is outside of a specified range.
Method and apparatus for configuring an optical path
An optical path for transmission of data from a source node to a destination node comprises an optical channel for parallel transmission of non overlapping carrier frequencies. The frequency separation of the carriers is lower than the baud rate. The optical path is configured by (a) determining a path OSNR (OSNRp ); (b) selecting a carrier bandwidth (BW) so that the channel bandwidth (BWT ) is less than or equal to a maximum path bandwidth available for transmission, wherein BWT≈BW·C, wherein C is the number of carrier frequencies; (c) selecting a FEC code having a minimum overhead requirement; (d) determining a channel OSNR (OSNRT ) based on the currently selected BW and FEC code; (e) in response to determining that OSNRT is not less than or equal to OSNRp, reselecting new codes having increasing overhead requirements until OSNRT is less than OSNRp, and if this is not possible increasing BWT and returning to step (c); (h) configuring the path for transmission based on the finally selected BWTand FEC code.
Automated earpiece cache management
Many types of earpiece include a memory to which media items stored on a second device, such as music, audiobooks, and podcasts, may be transferred as requested by a user. However, it may be advantageous to configure the earpiece and/or the to fill the memory automatically with media items of predicted interest to the user in the manner of a cache. In such earpieces, interruption of the connection between the earpiece and the second device does not interrupt a currently streaming media item, and the earpiece is capable of playing additional media items of predicted interest to the user even if the user has not requested transfer to the earpiece. Other uses of the cache include adding appointments from a calendar of the second device for presentation by the earpiece as reminders during disconnection, and storing notes on the earpiece that are automatically transferred back to the second device.
System and method for mobile data expansion
A data expansion system that provides continuum of discrete wireless small cell coverage areas for mobile terminals includes a set of roadway reflectors configured to provide wireless broadband data services to a mobile terminal. Each reflector includes processing circuitry configured to establish communications between the mobile terminal and a backhaul network. Each reflector includes a wireless transceiver configured to transmit and receive data. Each reflector includes a power source that converts solar energy into electricity. Each reflector includes a housing configured to contain the processing circuitry, the transceiver, and the power source. The housing has a raised reflective surface.
Wireless communication methods, systems, and computer program products
A method, wireless device and computer program product for expanding the coverage of a cellular network. A wireless device (e.g., cellular telephone) is able to communicate with a base station in a cell of the cellular network over a non-cellular interface via another wireless device in a cell through the use of multi-hopping. A wireless device may request permission to communicate with the base station over a non-cellular interface via hopping off another wireless device when its signal strength is below a threshold. Alternatively, a wireless device may receive a request to communicate with the base station over a non-cellular interface via hopping off the wireless device that sent the request when that wireless device has excess capacity in its bandwidth with the base station.
Systems/methods of spectrally efficient communications
First and second receivers are used to receive respective first and second signals, to process said first and second signals and provide respective first and second measures thereof to respective first and second transmitters. The first and second transmitters are configured to launch the first and second measures, respectively, each comprising a desired component that has originated at a desired source, and an interference component that has originated at an interfering source. The first and/or second transmitters are configured to process and launch the respective first and second measures, properly conditioned, so that upon interception thereof by a receiving element the interference components thereof add destructively and substantially cancel (or at least partially cancel) each other, whereas the desired components avoid substantial cancellation owing to a phase relationship therebetween that differs relative to a phase relationship between the interference components.
Apparatus and method for spatial division duplex (SDD) for millimeter wave communication system
An apparatus and method for full-duplex millimeter wave mobile wireless communication are provided. The apparatus includes a Spatial Division Duple (SDD) mobile communication system using millimeter waves, the SDD mobile communication system including a first wireless terminal having a first transmit antenna array having a plurality of first transmit antennas for transmitting a spatially beamformed first transmit beam, and a first receive antenna array having a plurality of first receive antennas for forming a spatially beamformed first receive beam and a second wireless terminal including a second transmit antenna array having a plurality of second transmit antennas for transmitting a spatially beamformed second transmit beam directed towards a receive beam of the first wireless terminal, and a second receive antenna array having a plurality of second receive antennas for forming a spatially beamformed second receive beam directed toward the transmit beam of the first terminal.
Diversity receiver front end system with flexible antenna routing
Diversity receiver front end system with flexible antenna routing. A receiving system can include a plurality of amplifiers. Each one of the plurality of amplifiers can be disposed along a corresponding one of a plurality of paths between an input of the receiving system and an output of the receiving system. Each one of the plurality of paths can correspond to a different frequency band. The receiving system can include an input multiplexer configured to receive, at one or more of a plurality of input multiplexer inputs, one or more RF signals. Each one of the one or more RF signals can include one or more frequency bands. The input multiplexer can be configured to output each of the one or more RF signals to one or more of a plurality of input multiplexer outputs. The receiving system can include a controller configured to receive an antenna configuration signal and, based on the antenna configuration signal, control the input multiplexer to route each of the one or more RF signals to propagate along one or more of the plurality of paths corresponding to the one of more frequency bands of the RF signal.
Communication device and antenna device with first and second antennas having power supply sections separated by nλ/4 electric path length
There is provided an antenna device including a first antenna including a first power supply section, a first short-circuited section connected to a bottom board, and a first open-circuited section, and a second antenna including a second power supply section separated from the first power supply section by an electric path length of about nλ/4, a second short-circuited section connected to the bottom board, and a second open-circuited section.
Sub-band feedback for beamforming on downlink multiple user MIMO configurations
A method in a communication network includes an access point, using a multiple input multiple output antenna configuration, sending out a sounding packet to a plurality of client stations. The client stations determine a channel estimation of the sounding packet, but only a channel estimation of a portion of the entire sounding packet to avoid processing the entire packet. The resulting partial estimation is sent to the access point for using in transmit beamforming. In other examples, the client station sends a reverse link sounding packet over a portion a channel having a bandwidth less than the sounding packet, and from this the access point determines partial channel estimations and transmit beamforming conditions.
Provided are a method and apparatus for performing beamforming training in a wireless local area network. The apparatus receives a plurality of beacon frames for sector sweep in a beacon transmission interval (BTI) from an access point (AP). At least one beacon frame of the plurality of beacon frames includes overload information which indicates an overload state. The apparatus performs a random backoff on a plurality of channels during association-beamforming training (A-BFT) consequent to the BTI based on the overload information.
Phase shift circuit, phased array device, and phase control method
A phase shift circuitry includes: a signal generation circuitry that receives an input signal, and outputs four signals different in phase from each other by 90 degrees based on the input signal, the four signals includes a first signal and a second signal; four variable amplifier circuitry that each includes a transistor, and amplify the four signals individually, with amplification factors based on control voltages supplied to gates of the transistors, the four variable amplifier circuitry include a first amplifier amplifies the first signal by a first control voltage and a second amplifier amplifies the second signal by a second control voltage; a synthetic circuitry that synthesizes output signals of the four variable amplifier circuitry, and outputs a synthesized signal; and a control circuitry supplies voltages, that are equal to or higher than the gate threshold value, to the first amplifier and the second amplifier.
Codebook design and structure for advanced wireless communication systems
A base station capable of communicating with a user equipment (UE) includes a transceiver configured to transmit downlink signals containing first and second antenna numbers, first and second oversampling factors indicating respective oversampling rates in first and second dimensions for each beam group, first and second quantities of beams indicating respective quantities of beams in the first and second dimensions for each beam group, and first and second beam skip numbers indicating respective differences of leading beam indices of two adjacent beam groups in the first and second dimensions, receive uplink signals containing a plurality of precoding matrix indicators (PMIs) from the UE. Other embodiments including methods and UEs and methods are disclosed.
Method and apparatus for mapping virtual antenna to physical antenna
A transmitter generates a first precoding vector for a first virtual antenna port among a plurality of virtual antenna ports using a first sequence having a constant magnitude and a discrete Fourier transform (DFT) vector sequence in a time domain and a frequency domain. The transmitter generates a plurality of second precoding vectors for the remaining virtual antenna port, except for the first virtual antenna port of the plurality of virtual antenna ports by circular shifting the first precoding vector. The transmitter maps a plurality of first data streams for the plurality of virtual antenna ports to a plurality of physical antenna ports using the first precoding vector and the plurality of second precoding vectors.
Communication device and a method for beamforming
A method for a communication device with at least one antenna array composed of a plurality of antenna elements, each of the plurality of antenna elements coupled to a corresponding phase shifter of a plurality of phase shifters. The method includes determining an optimized beam forming weight for each of the plurality of phase shifters by maximizing an array gain of the antenna array for each steering angle of a plurality of pre-defined steering angles to generate a set of optimized beam forming weights for each steering angle; and configuring the plurality of phase shifters with the set of optimized beam forming weights for a selected steering angle to perform beam forming in direction of the selected steering angle.
Communication system and method using space division multi-user multiple input multiple output (SD-MIMO) communication method
Provided is a communication system using a space division multi-user multiple input multiple output (SD-MIMO) communication method. A transmission apparatus may transmit, to each of terminals included within a coverage, common control information commonly transmitted to the terminals and individual control information individually transmitted to each of the terminals. The transmission apparatus does not precode the common control information and transmits the non-precoded common control information. The transmission apparatus precodes the individual control information and transmits the precoded individual control information.
Multi-user multiple-input-multiple-output groupings of stations
Methods, systems, and devices are described for wireless communication. In one aspect, a method of wireless communication includes selecting, by a wireless device, a first subset from a first set of candidate multi-user groups of stations. The first subset is based at least in part on first-level grouping metrics associated with the first set of candidate multi-user groups. The method further includes determining second-level grouping metrics associated with a second set of candidate multi-user groups. The second set corresponds to candidate multi-user groups having a greater number of stations or channel vectors than the first set, and the second set is based at least in part on the first subset.
Apparatus for a mulitple-input multiple-output (MIMO) architecture
An apparatus for a multiple-input multiple-output (MIMO) architecture is disclosed. The apparatus includes a first splitter-combiner (S-C) having a first transmission line port, a first transmit (TX) port, and a first receive (RX) port. Also included is a first N-plexer having a first power amplifier (PA) input, a first RX output, and a first antenna output for coupling to a first antenna. A first PA is coupled between the first TX port and the PA input, wherein the first RX output is coupled to the first RX port.
Wireless power and wireless communication integrated circuit
An integrated circuit (IC) includes a wireless power receive circuit, a wireless communication module, and a circuit module. The wireless power receive circuit generates a supply voltage from a wireless power electromagnetic signal. The wireless communication module converts inter-chip outbound data into an inter-chip outbound wireless signal; transmits the inter-chip outbound wireless signal to another IC; receives an inter-chip inbound wireless signal from the other IC; and converts the inter-chip inbound wireless signal into inter-chip inbound data. The circuit module is powered by the supply voltage and is operable to generate the inter-chip outbound data; and process the inter-chip inbound data.
Method and apparatus for selecting an application of a device having an NFC interface
The present invention describes a method to select an application on a first device having an NFC interface and comprising a plurality of applications using the NFC interface, said method comprising the steps of detecting a second device having a NFC interface via the NFC interface of the first device, obtaining via the NFC interface a message comprising a message type and a service identification, determining an application type based on the message type and the service identification, selecting at least one application among the plurality of applications matching the message type and the service identification, prompting a user of the first device to accept a communication between the second device and the selected application, in case of positive answer, notifying the selected application of the message type, establishing the communication between the selected application and the second device via the NFC interface.
Device for power line communication, power line communications system, method for operating a device for power line communication and for adapting PLC transmissions to noise
A method for operating a device for power line communication includes measuring noise on the power line and detecting noise timing properties. Further, a method for adapting power line communication to detected noise timing properties, which may be asynchronous to the AC mains signal, includes adapting parameters for encoding a data stream and/or transmission parameters according to the detected noise timing properties and/or transmission timing information derived from the detected noise timing properties, encoding a data stream according to the adapted parameters for encoding, and transmitting the encoded data stream to the power line on at least one power line communications channel according to the adapted transmission parameters.
Methods and systems for reduction of nearest-neighbor crosstalk
Methods and systems are described for reduction of crosstalk in multi-wire communications systems using ensemble codes. Constraints applied to code construction and/or permissible encoding sequences eliminate transmit patterns shown to generate capacitively coupled and/or inductively coupled crosstalk.
Protective cover and electronic device having the same
A protective cover for an electronic device is provided. The electronic device includes a protective cover configured to protect at least a partial region of the electronic device. The protective cover is detachably connectable with the electronic device by a snap-fit structure provided on at least one portion in surface contact with the electronic device.
Handheld electronic touch screen communication device
A handheld electronic device may be provided that contains a conductive housing and other conductive elements. Transceiver circuitry, such as radio frequency (RF) transceiver circuitry configured to transmit and receive RF signals, may be connected to the resonating elements by transmission lines such as coaxial cables. The electronic device may have an integrated touch screen display in which a user can control the device by interacting directly with the display.
Circuits and methods for reducing interference that spectrally overlaps a desired signal based on dynamic gain control and/or equalization
A system is provided with circuits and methods for dynamically reducing interference to maintain linear system operation and mitigate interference degradation to desired signal components. The system can include a binning subcircuit system configured to divide the digitized input signal into a plurality of spectral bins each having a power level. A power analysis subcircuit can be coupled to the binning subcircuit and configured to compare a collective power level of spectral bins to a threshold level that would produce nonlinear system operation. Based upon the collective power level exceeding the threshold level, outputting a gain control signal to a variable gain amplifier so that the system remains linear. This dynamic gain control can be applied to systems that receive and/or transmit signals. Residual interference components that degrade signal components can be dynamically removed by excision and the distortion introduced by the excision process can be reduced with equalization circuitry.
Methods, devices, and computer programs are provided for character conversion. An original file is compressed, for instance, by a source or target device, to obtain a compressed file. Then, characters in the compressed file are converted from a source code page to a target code page to obtain a converted compressed file. The converted, compressed file may, where applicable, be sent to a target device. Also, the target device may decompress the converted compressed file to obtain a file in the target code page.
Switched memristor analog-to-digital conversion
Switched memristor digital-to-analog conversion employs a set of switch-selectable programmed resistances corresponding to a digital-to-analog conversion mapping to convert a digital input into an analog output. The digital input is to establish an analog resistance of a plurality of switched memristors connected in series that are switch selectable. The plurality of switched memristors is to provide the set of switch-selectable programmed resistances in accordance with the digital-to-analog conversion mapping.
High speed data transfer for analog-to-digital converters
This disclosure describes techniques for transferring data from an analog-to-digital converter (ADC) to a host device. The techniques may determine whether an ADC is operating in a quiet conversion time period, and selectively deactivate a digital data output of the ADC when the ADC is operating in the quiet conversion time period. This may allow an ADC to transfer data during both the conversion and acquisition phases of the ADC (rather than just during the acquisition phase), thereby increasing the data throughput of the ADC for a given transfer clock speed. The techniques may further allow data to be transferred during the conversion phase of an ADC without requiring a host device to be aware of the quiet conversion time period requirements of the ADC. In this way, the data throughput of an ADC data transfer may be increased with relatively little additional complexity added to a host device.
SAR analog-to-digital converter selective synchronization
A successive approximation routine (SAR) analog-to-digital converter integrated circuit can include multiple analog-to-digital converters (ADCs) sharing a reference voltage that can be perturbed by a capacitor array of a digital-to-analog converter (DAC) sampling the reference voltage, which can limit conversion accuracy. Synchronizing every bit trial across the ADCs can improve accuracy but can slow the conversion. Synchronizing a subset of at least one, but fewer than N, bit trials across ADCs can help obtain both speed and robustness. This selected subset can include bit trials corresponding to pro-defined critical events, such as those events for which a stable reference voltage node is particularly desirable.
Signal calibration circuit and signal calibration device
A signal calibration circuit and a signal calibration method are provided. The signal calibration circuit includes: an analog-to-digital conversion circuit, coupled to an output terminal of the circuit to be tested, obtaining an analog signal output by the circuit to be tested and transforming the analog signal into a digital signal; a calibration signal generation circuit, generating a calibration signal, modifying the calibration signal according to a first signal, and outputting a modified calibration signal; and a calibration circuit, coupled to the analog-to-digital conversion circuit and the calibration signal generation circuit, obtaining the digital signal and the calibration signal, calibrating the digital signal according to the modified calibration signal and outputting a calibrated digital signal. The first signal is a predetermined signal or the calibrated digital signal output by the calibration circuit.
Integrated circuit having a clock deskew circuit that includes an injection-locked oscillator
Methods and apparatuses featuring an injection-locked oscillator (ILO) are described. In some embodiments, an ILO can have multiple injection points and a free-running frequency that is capable of being adjusted based on a control signal. In some embodiments, each injection point of an ILO can correspond to a phase tuning range. In some embodiments, a circuit can include circuitry to detect a phase boundary between two adjacent phase tuning ranges. In some embodiments, a circuit can use the detected phase boundary to switch between the two adjacent phase tuning ranges.
Spread spectrum clock generator
A spread spectrum clock generator includes: a phase comparing unit that receives a reference clock signal and a feedback clock signal, and generates a control voltage corresponding to a phase difference between the reference clock signal and the feedback clock signal; a voltage-controlled oscillator that oscillates at an oscillating frequency corresponding to the control voltage, and generates an output clock signal; a delta-sigma modulator that receives a waveform signal for controlling spreading of a spectrum of the output clock signal, and outputs bits larger than 1 bit based on the waveform signal; a control circuit that controls a multiplication number according to an output signal of the delta-sigma modulator; and a divider that generates the feedback clock signal by dividing the output clock signal according to the multiplication number controlled by the control circuit, and supplies the feedback clock signal to the phase comparing unit.
Switched-capacitor circuits in a PLL
Various aspects of this disclosure describe switched-capacitor circuits in a PLL. Examples include routing current from a first current source through a capacitor to ground during a first clock phase, routing current from a second current source through the capacitor to ground during a second clock phase, and transferring charge on the capacitor to a loop filter capacitor during a third clock phase. The first current source may generate current responsive to UP error samples from a phase/frequency detector (PFD), and the second current source generates current responsive to DN error samples from the PFD.
High frequency delay lock loop systems
The present invention is directed to signal processing system and electrical circuits. According to various embodiments, a DLL system includes a delay line provides multiple output signals associated with different clock phases. The delay line may be adjusted using a pair of bias voltages. A phase detector systems generates the bias voltages using the multiple output signals from the delay line. The multiple output signals include signals associated with the first phase, the last phase, and two adjacent phases. There are other embodiments as well.
Multiple data rate counter, data converter including the same, and image sensor including the same
A counter includes a buffer unit and a ripple counter. The buffer unit generates at least one least significant signal of a count by buffering at least one clock signal until a termination time point. The ripple counter generates at least one most significant signal of the count by sequentially toggling in response to at least one of the least significant signal. The counter performs multiple data rate counting with enhanced operation speed and reduced power consumption.
Authenticatable device with reconfigurable physical unclonable functions
An authenticatable device according to one embodiment includes a reconfigurable physical unclonable function (‘RPUF’) used with one parameter to recover sensitive values (e.g., a secret or a share of a secret) and a different parameter to encode and store values (e.g., challenge-helper pairs) correlated to the sensitive values. In another embodiment, a pair of RPUFs is used instead of a single PUF, with one RPUF used to recover sensitive values and the other RPUF used to encode and store correlated values. In still another embodiment, the desired expiration of values can be enforced by employing redundant RPUFs; when the device is powered on, one (or more than one, but less than all) of the RPUFs is selected and transitioned to a new configuration, invalidating any correlated values previously constructed using the old configuration, and the RPUF that was not reconfigured is used to recover the sensitive value(s) using the remaining correlated value(s).
Systems and methods for gesture-based lighting control
An electronic device for gesture-based lighting control is described. The electronic device includes a touch sensor that detects a gesture input. The electronic device also includes a lighting operation determination module that determines a lighting operation based on the gesture input. The electronic device further includes a lighting operation execution module that executes the lighting operation.
Voltage-controlled magnetic-based devices having topological insulator/magnetic insulator heterostructure
A voltage-controlled magnetic based device is described that includes a magnetic insulator; a topological insulator adjacent the magnetic insulator; and magnetic dopants within the topological insulator. The magnetic dopants are located within an edge region of the topological insulator to inhibit charge current flow in the topological insulator during a switching operation using an applied electric field generating by applying a switching voltage across two electrodes at opposite sides of the topological insulator. Power dissipation due to carrier-based currents can be avoided or at least minimized by the magnetic dopants at the edges of the topological insulator.
Gate driver for driving inverter
The present disclosure relates to a gate driver for driving an inverter. In one embodiment, a gate driver includes an IC module configured to generate the switching signal by using a PWM signal input from the outside, and a power supply managing part configured to apply an IC module driving voltage for drive of the IC module by using a switching element and a driver driving voltage for drive of the gate driver if the driver driving voltage is equal to or larger than a first reference voltage, and is further configured to stop the application of the IC module driving voltage if the driver driving voltage is equal to or lower than a second reference voltage.
Single-ended to differential conversion circuit and signal processing module
A single-ended to differential conversion circuit for converting an input signal into a pair of differential signals is provided. An amplifier includes an inverting input terminal, a non-inverting input terminal for receiving a reference signal, and an output terminal. A first resistor is coupled between the inverting input terminal and the output terminal of the amplifier. A second resistor is coupled to the inverting input terminal of the amplifier. The third resistor is coupled to the output terminal of the amplifier. The resistor string is coupled between the output terminal of the amplifier and the second resistor, and includes a fourth resistor and a fifth resistor connected in series. A signal of the pair of differential signals is provided via the third resistor, and another signal of the pair of differential signals is provided via the resistor string.
Systems and methods for a low hold-time sequential input stage
Systems and methods for a low hold-time sequential input stage provide circuitry that includes a first latch element receiving a first input. The first latch element is connected to a first two-input multiplexer. The circuitry further includes a second latch element receiving a second input. The second latch element is connected to the first two-input multiplexer. The first input and the second input originate from different input cells of an input column that receive a same source signal.
Integrated Circuit Devices Having Clock Gating Circuits Therein
An integrated circuit device includes a clock gating circuit, which is configured to generate a first plurality of clocks in response to a first reference clock at a first frequency and a plurality of operation enable signals. A plurality of functional circuits are provided, which are responsive to respective ones of the first plurality of clocks. The plurality of functional circuits is configured to generate respective ones of the plurality of operation enable signals, with each of the plurality of operation enable signals having a first logic state that enables a respective clock within said clock gating circuit and a second logic state that disables the respective clock within said clock gating circuit.
Filter device and electric-vehicle drive controller
A filter device that removes a noise current generated by an inverter includes a first filter capacitor that is provided in parallel to a direct-current unit of the inverter, a first filter reactor that is provided between a high-potential side of the first filter capacitor and an overhead line that is a power supply source of direct-current power, and a series circuit unit in which a fuse serving as a circuit disconnecting unit that is disconnected when a current larger than a rated current flows therein, a second filter reactor serving as an inductance element, and a second filter capacitor serving as a capacitance element are connected in series, where one end of the series circuit unit is connected to a low-potential side of the first filter capacitor and one end of the first filter reactor is connected to the series circuit unit.
System and method for leveling loudness variation in an audio signal
Systems and methods for leveling loudness variation in an audio signal are described. Embodiments use both a perceptual leveling algorithm and a standards-based loudness measure together to minimize audio process artifacts and ensure that the measured loudness of the processed audio is close to a required measure, according to a particular standard measurement of loudness. These systems and methods can be used either offline or in real-time.
Linear variable gain amplifier
The present invention is directed to electrical circuits and techniques thereof. More specifically, an embodiment of the present invention provides a variable gain amplifier that includes a first transistor and a second transistor whose gate terminals are coupled to a first input terminal. A first drain terminal of the first transistor and a first source terminal of the second transistor is coupled to a voltage gain control switch. There are other embodiments as well.
Doherty power amplifier having AM-AM compensation
A power amplification system includes a Doherty power amplifier (PA) configured to receive a voltage supply signal and a radio-frequency (RF) signal and generate an amplified RF signal using the voltage supply signal, the Doherty PA including a carrier amplifier and a peaking amplifier. A carrier amplifier bias circuit and a peaking amplifier bias circuit coupled to one or more of the carrier amplifier and the carrier amplifier bias circuit over a coupling path are provided wherein the peaking amplifier bias circuit is configured to provide a peaking bias signal to the peaking amplifier based on a saturation level of the carrier amplifier.
Bootstrap class-D wideband RF power amplifier
A high-power, high-frequency radio frequency power amplifier includes an output stage and a single-phase driver. The output stage is arranged in a Class-D amplifier configuration and includes a first depletion mode field effect transistor (FET), a second depletion mode FET, and a bootstrap path that couples the output of the output stage to the gate of the second FET. The first and second depletion mode FETs are switched out-of-phase and between fully-ON and fully-OFF states, under the direction of the single-phase driver. The single-phase driver directly controls the ON/OFF state of the first depletion mode FET and provides a discharge path through which the input gate capacitor of the second depletion mode FET in the output stage can discharge to turn OFF the second depletion mode FET. The bootstrap path provides a current path through which the input gate capacitor of the second depletion mode FET can charge to turn the second depletion mode FET ON.
Amplifier adapted for noise suppression
An amplifier (100) adapted for noise suppression comprises a first input (102) for receiving a first input signal and a second input (104) for receiving a second input signal, the first and second input signals constituting a differential pair. A first output (106) delivers a first output signal and a second output (108) delivers a second output signal, the first and second output signals constituting a differential pair. A first transistor (MCG1) has a first drain (110) coupled to the first output (106) such that all signal current, except parasitic losses, flowing through the first drain (110) flows through the first output (106), and the first transistor (MCG1) further having a first source (112) coupled to the first input (102). A second transistor (MCS1) has a second gate (116) coupled to the first input (102), a second drain (118) coupled to the second output (108) such that all signal current, except parasitic losses, flowing through the second drain (118) flows through the second output (108), and the second transistor (MCS1) further having a second source (120) coupled to a first voltage rail (122). A third transistor (MCS2) has a third gate (124) coupled to the second input (104), a third drain (126) coupled to the first output (106) such that all signal current, except parasitic losses, flowing through the third drain (126) flows through the first output (106), and the third transistor (MCS2) further having a third source (128) coupled to the first voltage rail (122). A fourth transistor (MCG2) has a fourth drain (130) coupled to the second output (108) such that all signal current, except parasitic losses, flowing through the fourth drain (130) flows through the second output (108), and the fourth transistor (MCG2) further having a fourth source (132) coupled to the second input (104). A first load (ZL1) is coupled between the first output (106) and a second voltage rail (136). A second load (ZL2) is coupled between the second output (108) and the second voltage rail (136). A first inductive element (L1) is coupled between the first input (102) and a third voltage rail (138), and a second inductive element (L2) is coupled between the second input (104) and the third voltage rail (138). Transconductance of the first transistor (MCG1) is substantially equal to transconductance of the fourth transistor (MCG2), within ±5%, and transconductance of the second transistor (MCS1) is substantially equal to transconductance of the third transistor (MCS2), within ±5%.
Power amplification system with programmable load line
Disclosed herein are power amplification (PA) systems configured to amplify a signal, such as a radio-frequency signal. The PA system includes a plurality of power amplifiers that are configured to amplify a signal received at a signal input and to output the amplified signal at a signal output. The power amplifiers are configured to receive a supply voltage that is a combination of a battery voltage and an envelope tracking signal. The PA system includes a PA controller configured to control the power amplifiers based at least in part on the battery voltage or a power output of the power amplifiers. The PA controller can be configured to alter impedance matching components of the PA system to reconfigure a load line of the power amplifiers.
Power amplification device and method
Various embodiments of the present invention relate to a power amplification device and method, wherein the power amplification device can comprise: a power amplifier; a switch mode converter for controlling a bias of the power amplifier; a comparator for providing a switching signal to the switch mode converter according to an envelope signal; and a control unit for determining whether a switching frequency of the switch mode converter is within a specific band and applying an offset to the switching frequency so as to deviate from the specific band if the switching frequency of the switch mode converter is within the specific band. Various other embodiments can be carried out.
Solar cell module
According to one embodiment, a solar cell module includes: a casing including a wall; a box made of a resin and attached to the casing, the box including a terminal accommodating part; a cable configured to connect an external part, an end part of the cable introduced to the box; and a terminal fitting, accommodated in the terminal accommodating part, the terminal fitting connected to the cable and an output conductor, wherein: the wall is formed with a first opening for attaching the box from an outer surface side; the terminal accommodating part is formed with a second opening at a position opposed to the wall; and the second opening faces an inner part of the casing through the first opening when the box is attached to the casing.
Photovoltaic mounting system for tiled roofs
A photovoltaic mounting system for tile roofs is disclosed. In one embodiment, mounting bracket is attached to a roof deck and passes through a flashing support and flexible flashing that mimics the contour of the adjacent roof tiles. In other embodiments, a tile hook passes through partial or full tile replacement flashing. A plug or other structure blocks the space around the tile hook preventing the ingress of pests and debris under the flashing and surrounding tiles. Additional photovoltaic module mounting hardware, including sections of rails and frame mounts are attached either the mounting bracket or tile hook.
Range switchover apparatus
When electric power supply is started, an initial driving operation is performed to switch over a power supply phase of a motor in open-loop control. Initial learning processing is performed to learn a phase deviation correction value for the power supply phase relative to a count value of a pulse signal of an encoder. As a restraint caused by a shape of a detent mechanism, the motor need be rotationally driven so that a detent lever does not move in a negative direction beyond a bottom position of a P-range in the initial driving operation. In a case of performing the initial learning processing in the P-range in consideration of this restraint, the initial learning processing is performed by setting a rotation direction of the motor.
Signal generating method for accurately controlling a motor
The invention provides a signal generating method for accurately controlling a motor, the method comprises the steps of generating a period compensation signal and a duration compensation signal, can generate a control signal which is more in conformity with the actual vibration condition of the motor, so that the motor can be controlled more accurately.
Motor driving apparatus and home appliance including the same
Disclosed herein are a motor driving apparatus and a home appliance including the same. The motor driving apparatus includes a direct current (DC) link capacitor, an inverter, a DC link voltage detector, and a controller. The controller controls rheostatic braking to be performed in order to stop the motor, performs bootstrap operation of gate terminals of the upper arm switching elements of the inverter during a first period for starting the motor, and determines whether the motor stops during the first period based on the DC voltage detected by the DC link voltage detector or the output current detected by the output current detector. Accordingly, it is possible to conveniently determine whether the motor stops in the sensorless type motor driving apparatus.
System of controlling induction electric motor
In some embodiments, a system of controlling an induction electric motor, includes a command voltage output unit for generating a command voltage for operating an inverter according to a command speed and outputting the generated command voltage to the inverter; a control unit for controlling the command voltage output unit such that the command voltage output to the inverter is compared with an operation limiting voltage and the command voltage is corrected to fall within the operation limiting voltage; and the inverter for controlling the induction electric motor depending on the corrected command voltage. Thus, it is possible to precisely control the induction electric motor even in a high speed operation region by regulating the magnitude of the command voltage applied to the induction electric motor by means of dynamic modulation strategies without the magnetic flux controller.
DC electrical machine with center-tap windings systems and methods
A direct current electrical machine, which includes a rotor that generates a rotor magnetic field, a first commutation cell that includes a winding component, a first switching device, and a second switching device. The first winding component includes a first portion electrically coupled between a first terminal and a second terminal of the first winding component and a second portion electrically coupled between a third terminal and the second terminal of the first winding component. The first switching device is electrically coupled to the first terminal and is closed when a first voltage induced across the first portion by rotation of the rotor magnetic field is positive; and the second switching device is electrically coupled to the third terminal and is closed when a second voltage induced across the second portion by the rotation of the rotor magnetic field is negative.
Motor driving apparatus
A motor driving apparatus is disclosed, which stops driving a motor in a normal operation state and a start state. The motor driving apparatus adjusts a corresponding switch according to a pulse width modulation (PWM) table, to gradually increase a duty cycle of turning-on the corresponding switch. The PWM table indicates a relationship between a parameter and the duty cycle. The duty cycle increases with the monotone variation of the parameter. Accordingly, the motor driving apparatus can rapidly stop the operation of the motor, to avoid that the motor driving apparatus breaking down or the motor generating noise.
Safety circuit arrangement for an electrical drive unit
A safety circuit arrangement is provided for an electrical drive unit, wherein the electrical drive unit includes a traction battery, an intermediate circuit capacitance connected in parallel to the traction battery, and an electric machine which can be supplied with electrical power by the traction battery. The electric machine has a plurality of phases which can be connected to the traction battery via a controllable inverter having a plurality of switch elements. The safety circuit arrangement includes: a discharge circuit which is designed to take a predeterminable discharge current from the intermediate circuit capacitance in the activated operational state of the discharge circuit, a short-circuit control circuit which is designed to short-circuit at least some of the phases of the electric machine by controlling some of the switch elements in the activated operational state of the short-circuit control circuit, a supply voltage circuit which is designed to provide a supply voltage on the basis of input voltage delivered to the supply voltage circuit, an intermediate circuit voltage applied to the intermediate circuit capacitor being delivered as input voltage, and an activating element which is designed to close an activation path when a switch-on condition is present in order to activate the discharge circuit and the short-circuit control circuit by providing the supply voltage.
A robot system includes: a robot; a three-phase inverter having a high side switch and a low side switch connected in series; a power line electrically connecting a connection point between the high side switch and the low side switch to a stator winding of a motor; a short circuit path that electrically connects at least two lines of the power line; a brake switch arranged in the short circuit path to change the short circuit path to an open state or a closed state; a break detector that detects a disconnection of the power line; and an operation part that operates the brake switch from the open state to the closed state, when the break detector detects the disconnection.
Dielectric fluids for linear switched capacitive devices
A dielectric fluid includes a first liquid having first dielectric constant and conductivity values. The dielectric fluid also includes a second liquid having second dielectric constant and conductivity values. The first dielectric constant value is greater than the second dielectric constant value and the second electrical conductivity value is less than the first electrical conductivity value. The first and second liquids form an immiscible mixture that has third dielectric constant and conductivity values between the first and second dielectric constant values and the first and second electrical conductivity values, respectively. The first liquid forms a high conductivity phase representative of the first conductivity value, and the second liquid forms a low conductivity phase representative of the second conductivity value. The low conductivity phase is continuous the high conductivity phase is a plurality of droplets non-homogeneously dispersed within, and separated by, the continuous low conductivity phase.
Soft switching inverter device and method
An inverter comprises a first switch coupled to an input of an output filter and a positive dc bus, a second switch coupled to the input of the output filter and a negative dc bus, a first freewheeling apparatus coupled to the first switch, the second switch and ground, a first soft switching network coupled to the first freewheeling apparatus and the first switch, wherein the first soft switching network is configured such that the first switch is of a first zero voltage transition during a turn-on process of the first switch and a second soft switching network coupled to the first freewheeling apparatus and the second switch, wherein the second soft switching network is configured such that the second switch is of a second zero voltage transition during a turn-on process of the second switch.
Flyback diode and on-board power source device
A SiC Schottky-barrier diode and a SiPiN diode are connected in parallel. Due to a difference in their thermal properties, a relatively large current flows in the SiPiN diode at a high temperature in which electro migration progresses easily in a solder layer, and the progression of the electro migration is suppressed. At a low temperature in which the electro migration does not progress so much, only a relatively small current flows in the SiPiN diode, and a loss suppression by the SiC Schottky-barrier diode is achieved.
Modular multilevel current source and voltage source converters to increase number of output current levels and output voltage levels
Embodiments herein provide a modular multilevel converter configured to increase one of number of an output voltage level and an output current level. The modular multilevel converter includes a plurality of legs where each leg includes a plurality of arms. Each arm of the modular multilevel voltage source converter includes a main wave shaping (WS) circuit, an auxiliary WS circuit and an arm inductor. The main WS circuit includes one or more half bridge sub-module(s) that includes a capacitor. The auxiliary WS circuit includes one or more full bridge sub-module(s) that includes a capacitor. Each arm of the modular multilevel current source converter comprises a plurality of half-bridge modules connected in parallel, and a plurality of arm capacitor connected across the plurality of half-bridge modules and one or more auxiliary full bridge module(s).
A photovoltaic inverter includes: an input unit to connected to a first terminal and a second terminal to which a positive (+) polarity or a negative (−) polarity of a photovoltaic module are connected; a switching device configured to control the first terminal and the second terminal connected to the input unit according to pre-set polarities of an inverter unit; a booster unit configured to boost a voltage of the photovoltaic module delivered form the input unit through the switching device; a capacitor configured to charge the voltage boosted by the booster unit; and an inverter unit configured to convert the voltage charged in the capacitor into an alternating current (AC) and provide the converted AC voltage for an electric power system.
System for information feedback through isolation in power converters
An information feedback system is disclosed. The information feedback system comprises a separating device having the primary winding and the secondary winding, a first electrical switch and a controller. The secondary winding is coupled to an operation device through the first electrical switch. The first electrical switch and the operation device are coupled to the controller. The energy is discharged from the secondary winding to the operation device through the first electrical switch. The operation device receives the energy from the first electrical switch to generate a plurality of commands. The controller receives the commands and uses the first electrical switch to encode a plurality of signals to generate encoded information according to the commands. The separating device transmits the encoded information from the secondary winding to the primary winding.
Method and apparatus for phase alignment in semi-resonant power converters
Each phase of a multi-phase voltage converter includes a power stage, passive circuit, synchronous rectification (SR) switch, and control circuit. Each passive circuit couples its power stage to an output node of the voltage converter, and is switchably coupled to ground by the SR switch. The current through the SR switch has a half-cycle sinusoidal shape with a resonant frequency determined by the reactance of the passive circuit. The control circuit generates signals to control switches within the power stage and the SR switches. The control circuit measures current through the SR switch of each phase, and adjusts the duty cycles of the control signals for the phases so that the SR switches are switched off when zero or almost zero current is flowing through them.
Multi-phase hysteretic buck switching regulator
Methods, systems, circuits, devices, and apparatuses are described for multi-phase hysteretic buck switching regulators. Systems, circuits, devices, and apparatuses for multi-phase hysteretic buck switching regulators may include master phase components, multi-phase delay generators, and one or more slave phase components. Methods for multi-phase hysteretic buck switching regulation are also provided.
Time-interleaved current feedback droop function for multiphase buck converters
Methods and apparatus for providing a time-interleaved current-feedback droop function for multiphase buck converters. An example method includes outputting a first control signal to enable a first set of switches corresponding to a first voltage of a first phase from a multiphase converter, the first phase included in a plurality of phases; enabling a first current associated with the first phase to be measured by a sample and hold circuit associated with the first phase; sampling the first current; holding the first current, the first current based on a load current for the first phase of the multiphase converter; and outputting a droop voltage based on a plurality of currents corresponding to the plurality of phases of the multiphase converter, the plurality of currents including the load current for the first phase.
Control circuit for multiple high side switches
The efficient control of a plurality of high side switches, e.g. the high side switches of half bridges is presented. A control circuit contains a charge provisioning unit to provide an electrical charge. The control circuit contains a plurality of sets of high control switches for the plurality of high side switches, respectively; wherein each set of high control switches is used to arrange the charge provisioning unit in parallel to a gate-source capacitance of the respective high side switch. The control circuit comprises a controller to, during a phase of a plurality of different phases, control a respective set of high control switches from the plurality of sets of high control switches to arrange the charge provisioning unit in parallel to the gate-source capacitance of the respective high side switch from the plurality of high side switches, to switch on the respective high side switch.
Systems and methods of energy saving in a battery charging system
Systems and methods of implementing battery charging and energy saving systems in computers, computerized devices, medical devices, industrial devices, wearable devices, wireless charging devices, or any other suitable battery-operable devices. The systems and methods can control output voltages of battery charging systems during multiple charging/discharging periods, including a pre-charging period, a current-controlled charging period, a voltage-controlled charging period, a discharging period, as well as an additional period during which battery packs are removed or otherwise absent from the battery-operable devices or testing is being performed. The systems and methods also provide multiple energy saving modes for the battery-operable devices, allowing transitions between the respective energy saving modes both during operation of the battery-operable devices and during charging of the battery packs within the battery-operable devices.
Circuit with comparison of input voltage to upper and lower thresholds
The invention relates to a circuit arrangement, having: a comparator device for comparing a value of an electrical input voltage with an upper threshold value and/or with a lower threshold value; an increasing device for increasing an electrical output voltage if the comparison by the comparator device shows that the value of the input voltage is greater than the upper threshold value; and a reducing device for reducing the electrical output voltage if the comparison shows that the value of the input voltage is less than the lower threshold value.
Radio frequency interference suppression circuit
A radio frequency interference suppression circuit that includes a reference ground end, a main power circuit, a driving circuit and an impedance unit is provided. The main power circuit includes a first switch that includes a control end, a first and a second end. A minimal impedance is presented between the second end and the reference ground end. The driving circuit is coupled to the control end and the second end. The first impedance unit is formed between the second end and the reference ground end in a high frequency differential mode loop to reduce a high frequency voltage drop therein. The first switch receives a driving signal from the driving circuit to be turned on or turned off between the first and the second ends accordingly to make the main power circuit converts a first power signal to a second power signal.
Boost converter and method
A converter comprises a first switch, a second switch, a first blocking device and a second blocking device connected in series between two terminals of an output capacitor, an inductor coupled between a dc input source and a common node of the second switch and the first blocking device and a capacitor coupled between a common node of the first switch and the second switch, and a common node of the first blocking device and the second blocking device, wherein a voltage across the capacitor is configured to be adjustable through adjusting duty cycles of the first switch and the second switch.
Control board for power conversion device
A control board where the ground potential includes a first conductor extending from the ground terminal of the power source generator to a first branch, a second conductor branching at the first branch, extending to the temperature detector, and electrically connected to only the temperature detector on a downstream side of the first branch, and a third conductor branching in a direction not directed to the second conductor at the first branch and extending to the drive.
Fast model predictive pulse pattern control
A method for controlling an electrical converter comprises the acts of determining an error value based on a difference between an estimated output value and a reference output value, the estimated output value being based on measurements in the electrical converter; comparing the error value with an error band and in the case of the error value exceeds the error band, controlling the electrical converter by switching to a different control scheme. The converter is controlled with the modified pre-calculated switching by determining a pre-calculated switching sequence for the converter based on an actual state of the electrical converter, the switching sequence comprising a sequence of switching transitions of the converter; modifying the pre-calculated switching sequence by modifying transition times of switching transitions of the pre-calculated switching sequence, such that the error value is minimized; and applying at least a part of the modified switching sequence to the electrical converter.
Power generating device
There are included: an oscillating member that includes a tough layer and a magnetostrictive layer stacked above the tough layer and formed of a magnetostrictive material, the tough layer formed of a tough material having a tensile strength higher than that of the magnetostrictive material; a supporting member to which the oscillating member is attached to be able to oscillate in the thickness direction; a magnetic field applying member that applies a magnetic field to the magnetostrictive layer; and a coil that is disposed around the magnetostrictive layer.
Linear device and electric device with linear motor
A linear motor is disclosed. The linear motor includes an armature mounted for driven linear oscillation substantially along a longitudinal direction; a secondary mass mounted for linear oscillation substantially along the longitudinal direction; and a coupling unit for coupling the armature and the secondary mass. The coupling unit includes at least two coupling spring assemblies and at least a coupling element, the coupling spring assemblies being arranged in planes perpendicular to the longitudinal direction and being spaced apart from each other, and the coupling element being fixedly connected with the coupling spring assemblies.
Basket-type rotor production method and basket-type rotor
A squirrel-cage rotor manufacturing method capable of suppressing, at the time of performing die-casting, formation of gaps between closing portions and a rotor core at radially outer parts of rotor slots, or generation of a thermal stress in the rotor core as a result of expansion of the closing portions. The squirrel-cage rotor manufacturing method includes: arranging, through die-casting, conductors into rotor slots that are formed along a radially outer part of a rotor core; and performing the die-casting under a state in which radially outer parts of the rotor slots are closed with closing portions made of the same material as a material of the rotor core.
Electric machine with improved cooling
An electric machine includes a housing having a first hollow cylinder-shaped housing element for guidance of a first cooling medium in a first axial direction, and a second hollow cylinder-shaped housing element in which the first housing element is arranged. Arranged in the first housing element is a hollow cylinder-shaped stator and a rotor which is mounted in the stator for rotation about a rotational axis. A heat exchanger cover is arranged between the first and second housing elements and includes a guide element running helically about the rotational axis, and pipes extending axially and passing through the guide element. The heat exchanger cover guides the first cooling medium between the pipes in a helical manner along the at least one guide element in a second axial direction which runs opposite to the first axial direction, and guides a second cooling medium through the pipes in an axial direction.
Electromagnetic rotor drive assembly
An electromagnetic rotor drive assembly for use with an internal combustion engine, the electromagnetic rotor drive assembly including a conductive coil capable of generating a magnetic field upon energization; a rotor rotatably mounted proximate the conductive coil; and a magnet coupled to the rotor, the magnet responsive to the magnetic field to angularly displace the rotor; whereby the rotor fixedly couples to a crankshaft rotated by at least one piston reciprocally disposed within a cylinder; and whereby the conductive coil is energized at a predetermined time point associated with a position of the piston within the cylinder.
Direct drive rotor with metal coupler
A rotor for an outer rotor-type motor is provided. The rotor includes a metallic coupler and a polymeric frame molded over at least part of the metallic coupler.
Quick release automatic tensioning motor base and spring compression retention mechanism
A quick-release automatic tensioning motor base for supporting a motor. The motor is operably coupled to a device to be driven via a drive belt. The motor base includes base brackets and at least one guide rail fixedly coupled between the base brackets. A platform assembly, which supports the motor, is slidably coupled to the guide rail. A spring assembly is selectively coupled between the base brackets and fixedly coupled to the platform assembly. The spring assembly applies a biasing force to the platform assembly to maintain a belt tension along the drive belt. A quick-release assembly selectively engages the spring assembly and base brackets to permit movement of the quick-release assembly between a fastened position and a released position. A spring compression retention assembly is operably coupled to the spring assembly to maintain spring compression on the spring assembly even when the quick-release assembly is in the released position.
Rotor for a motor, and a motor and an appliance comprising the rotor, and a method for making a rotor
A rotor for a motor comprising a frame having a hub for connecting the rotor to a shaft and a perimeter portion for interacting with a stator of the motor to cause the rotor to rotate about an axis of rotation. The frame comprises legs extending from an outer portion of the frame towards the hub, each leg having an inner end at the hub and an outer end at the outer portion of the frame, the inner ends of a first plurality of legs being spaced from the inner ends of a second plurality of legs in a direction along the axis of rotation.
Magnet plate for linear motor for preventing misalignment of magnets
A magnet plate includes a regulating member which is adapted to be press-fitted to a blind hole of a base plate. The regulating member protrudes from the surface of the base plate at one end, and prevents a permanent magnet from moving in a transverse direction. The regulating member has a narrower portion having a width smaller than the blind hole. Upon press-fitting of the regulating member, the base plate undergoes plastic deformation and the deformed portion moves into a space between the narrower portion and the inner wall of the blind hole.
A waterproof motor includes: a recess (15) and a shaft tube (11) disposed upright on one side (105) of a base (1); a waterproof cover (2) covering the one side (105) of the base (1) and having a through hole 21 correspondingly enclosing the shaft tube (11) and a protruding portion (22) correspondingly engaging the recess (15), a first space (18) formed between the waterproof cover (2) and the one side (105) of the base (1); a first circuit board (3) disposed inside the first space (18) and having a plurality of sensors (31, 32); a housing (6) having an opening (69) and connected to the other side (106) of the base (1); an insulation plate (7) covering the opening of the housing (6), a second space (68) opposite to the first space (18) formed between the insulation plate (7) and the housing (6).
Brushless motor, stator, stator manufacturing method and brushless motor manufacturing method
A brushless motor comprising: a rotor; a stator core disposed at a radial direction outside of the rotor, and a stator case. The stator core includes an outer ring shaped section, teeth sections projecting out from the outer ring shaped section toward a radial direction inside, and an inner ring shaped section extending from end portions of the teeth sections. Protruding portions are formed at the outer ring shaped section so as to project toward a radial direction outside and so as to be disposed at even intervals around a circumferential direction of the outer ring shaped section. The stator case is integrated together with the stator core by a plurality of plastic deformation portions formed at an outer peripheral portion of the stator case at locations facing towards the protruding portions, and the plastic deformation portions are disposed at even intervals along a circumferential direction of the stator case.
Network distributed dynamic equalized power supply method
A Network Distributed Dynamic Equalized Power Supply Method includes the following steps: multiple High Voltage Direct Current power supply devices deployed in parallel, the entire High Voltage Direct Current power supply devices parallel connected via the Direct Current Power Grid; there being four power supply modes pre-set in each device, the initial setting part being that the power supply mode of back-up High Voltage Direct Current power supply device being mode B, and the rest being mode A, the power supply voltage of the entire High Voltage Direct Current power supply devices to the Direct Current Power Grid being the same. As per the operation status of one certain High Voltage Direct Current power supply device or the change of power supply load, the power supply mode of the High Voltage Direct Current power supply device and the power supply voltage to the Direct Current Power Grid are changed.
UPS with multiple independent static switches
An uninterruptible power supply (UPS) includes a frame, at least one AC input supported by the frame and configured to be coupled to at least one external power source and at least one AC output supported by the frame and configured to be coupled to at least one external load. The UPS also includes a power conversion circuit supported by the frame and having an output coupled to the at least one AC output, the power conversion circuit configured to selectively provide power from first and second power sources. The UPS further includes first and second static switches supported by the frame and configured to couple and decouple the at least one AC input to and from the at least one AC output and a control circuit supported by the frame and configured to cooperatively control the power conversion circuit and the first and second static switches.
Depletion MOSFET driver
A driver circuit is configured using a depletion-mode MOSFET to supply an output voltage across an output capacitor. The driver circuit includes a resistor positioned between two terminals of the MOSFET. In the case of an n-channel depletion-mode MOSFET, the resistor is coupled to the source and the gate. The circuit is a current controlled depletion driver that turns OFF the depletion-mode MOSFET by driving a reverse current through the resistor to establish a negative potential at the gate relative to the source. A Zener diode is coupled between the source of the depletion-mode MOSFET and the output capacitor to establish a voltage differential between the output and the MOSFET source.
Load current regenerating circuit and electrical device having load current regenerating circuit
A load current regenerating circuit comprises a first circuit unit having a first recharging unit recharged by a power source, a second circuit unit provided in parallel with the first circuit unit, the second circuit unit having a second recharging unit, a first switching unit opening a connection between the power source and the first circuit unit when the first recharging unit is recharged, and a second switching unit connecting the first recharging unit with the second recharging unit when the first recharging unit is recharged so that the power recharged to the first recharging unit is supplied to the second circuit unit to recharge the second recharging unit.
System and methods to configure service providers for client appliances, and for tracking and providing service data
A system and methods to configure, track and provide device data for clients is disclosed. The system configures a device to interact according to client specified settings. The system also tracks relevant data from a service provider interaction with the client. The system is configured to provide the tracked data to a third party upon a validated request. For example, the system may store and provide the tracked data in the cloud, through a network.
Power supply device and power transmission unit for power supply device
A power supply device of the present invention includes a power transmission unit (15) configured to wirelessly supply power to the power receiving unit (9). The power transmission unit (15) includes: a ground-side coil (13); and a housing (21) set on a ground (19) and configured to house the ground-side coil (13). The housing (21) includes: a coil section (25) in which to dispose the ground-side coil (13); and a first projection (29) disposed closer to a vehicle entry side than the ground-side coil (13) is, and projecting upward from a surface of the coil section (25).
Measurement circuit and measurement apparatus for wireless power transmission system
A measurement apparatus includes a pseudo-coupling circuit, a power reception circuit, and a characteristics measuring unit. The pseudo-coupling circuit includes a first power-transmission-side terminal, a second power-transmission-side terminal, a first power-reception-side terminal, and a second power-reception-side terminal. A capacitor is connected between the first power-transmission-side terminal and the first power-reception-side terminal. A capacitor is connected between the first power-transmission-side terminal and the second power-transmission-side terminal. A capacitor is connected between the first power-reception-side terminal and the second power-reception-side terminal. A power transmission module to be measured is connected to the first and second power-transmission-side terminals. The power reception circuit and the characteristics measuring unit are connected to the first and second power-reception-side terminals.
Apparatus and method for determining whether a power receiver is removed from the apparatus
A method and apparatus are provided for determining, by a wireless power transmitter, whether a wireless power receiver is removed from a wireless power network managed by the wireless power transmitter. The method includes transmitting a command signal to report power information of the wireless power receiver at stated periods; determining whether a report signal corresponding to the command signal is received from the wireless power receiver; and determining that the wireless power receiver is removed from the wireless power network, if the report signal is not received after transmitting the command signal a predetermined number of times at the stated periods.
Non-contact power feeding apparatus and non-contact power feeding method
A non-contact power feeding apparatus transmits, by at least magnetic coupling, an electric power in a non-contact manner to a power reception coil from a power transmission coil. The transmission coil is electrically connected to an alternating-current power source. The non-contact power feeding apparatus outputs an electric power to a load electrically connected to the power reception coil. The non-contact power feeding apparatus includes a coupling state estimator configured to estimate a coupling state between the power transmission coil and the power reception coil. The non-contact power feeding apparatus also includes an available output power calculator configured to calculate an available output power that can be output to the load, based on a limit value of a circuit element of a power feeding circuit including the power transmission coil and the power reception coil and on the coupling state.
Bi-directional direct-current-to-direct-current converter, grid-connected inverter system, and solar energy grid-connected inverter system
A bi-directional direct current to direct current converter includes a first inductor, a first switch, a first capacitor, a middle voltage point, a second inductor, a second switch, a second capacitor, a third switch and a fourth switch. A direct current voltage supply unit provides the bi-directional direct current to direct current converter with an input direct current voltage. When the third switch is turned on, and the fourth switch is turned on, and the first switch is turned off, and the second switch is turned off, then the first inductor and the second inductor store energy. When the third switch is turned off, and the fourth switch is turned off, and the first switch is turned on, and the second switch is turned on, then the first inductor and the second inductor release energy to the first capacitor and the second capacitor.
Energy storage system
An energy storage system is provided. The energy storage system including a battery includes a battery management system (BMS) monitoring a battery state of the battery and controlling charging and discharging operations of the battery; and a power condition system (PCS) determining a desired control value of the battery, obtaining power market adjustment rule information on a power market including the energy storage system, calculating a deadband value for the desired control value based on the obtained power market adjustment rule information, and controlling the BMS controlling the charging and discharging operations of the battery based on the calculated deadband value for the desired control value and the monitored battery state.
Switching circuits for extracting power from an electric power source and associated methods
A switching circuit for extracting power from an electric power source includes (1) an input port for electrically coupling to the electric power source, (2) an output port for electrically coupling to a load, (3) a first switching device configured to switch between its conductive state and its non-conductive state to transfer power from the input port to the output port, (4) an intermediate switching node that transitions between at least two different voltage levels at least in part due to the first switching device switching between its conductive state and its non-conductive state, and (5) a controller for controlling the first switching device to maximize an average value of a voltage at the intermediate switching node.
Inrush current limiting circuit
A current command value in a period from a time when a relay switch is turned on until charging of an inverter capacitor is completed is set to a value smaller than a value corresponding to the smallest one of rated currents of components included in a circuit, and is set to a value smaller than a maximum current value in a safe operating area of a switching element.
Apparatus for transmitting power and control method thereof
Disclosed are an apparatus for transmitting power and a control method thereof. The apparatus includes a first main relay electrically controlling connection between a positive (+) terminal of a high voltage power source and a positive (+) terminal of a high voltage load, a second main relay electrically controlling connection between a negative (−) terminal of the high voltage power source and a negative (−) terminal of the high voltage load, a semiconductor switch connected in parallel to the first main relay, a reverse current preventer interposed between the semiconductor switch and the high voltage power source and preventing reverse current to the high voltage power source, a drive state measurer measuring a drive state of a power relay assembly, and a relay controller supplying or shutting off power to the high voltage load by operating the first and second main relays and the semiconductor switch in response to a relay enable signal from a battery controller and shutting off the power to the high voltage load upon determining that the drive state of the power relay assembly measured through the drive state measurer is abnormal or upon determining based on a vehicle state received from the battery controller that a vehicle is in an emergency state.
Protection of cables and connectors
Methods and apparatuses, including computer program code are disclosed herein that provide damage protection to cables and connectors. In one aspect, there is provided an apparatus. The apparatus may include an electrical connector comprising a power supply pin and at least one control pin. The apparatus may further include a protective element configured to change a state of the at least one control pin to cause the power supply pin to become inactive. The protective element may be integrated with the electrical connector and/or integrated at one or more locations along the length of a cable.
Connector leakage protection system and circuit
A connector leakage protection system includes a current foldback module with a first end coupled to an output port of a DC power supply; an anti-interference module with a first end coupled to a second end of the current foldback module, and a second end coupled to a power port of a connector; and a leakage protection module between the output port and the first end of the current foldback module, or the second end of the current foldback module and the first end of the anti-interference module, or the second end of the anti-interference module and the power port. When the output port outputs a DC voltage, the leakage protection module is switched on. When the output port does not output the DC voltage, the leakage protection module is switched off, preventing current leakage from flowing to the output port. A connector leakage protection circuit is also provided.
Method of manufacturing a superconductive cable
A method is provided for manufacturing a superconductive cable equipped with means for compensating length changes caused by temperature changes which occur when the cable is cooled from room temperature to work temperature and vice-versa. A superconductive cable (SK) with a tubular, central carrier (1) is used which is surrounded by at least one superconductive conductor. Arranged in the carrier (1) is at least one tension-proof strand (2) arranged over the entire length of the carrier (1). Cable (SK) is initially wound, including strand (2), at room temperature onto a coil (SP). Subsequently, the strand (2) is immovably fastened to the two ends of the cable (SK) and the cable (SK) is subsequently wound off the coil (SP).
Fire-resistant electrical box
A fire-resistant electrical box assembly includes an outer box assembly having an outer top panel, an outer bottom panel, an outer first side panel, an outer second side panel, an outer back panel, an inner back panel, and a front panel forming an opening substantially covered by a front cover, an inner box assembly having one or more of an inner top panel, an inner bottom panel, an inner first side panel, and an inner second side panel, and an intumescent material between at least a portion of the outer back panel and the inner back panel.
Modular electrical box extender
An electrical box extender generally including a first half and a second half is provided. The first and second halves each extend between a male end and a female end. When attached, the first and second halves together form a polygon shape having four corners. One corner is formed where the male end of the first half is attached to the female end of the second half and another corner is formed where the male end of the second half is attached to the female end of the first half. Such an electrical box extender may allow for easier installation to electrical box having existing electrical connections.
High voltage equipment box for railway vehicle
A high voltage equipment box for a rail vehicle includes a box body and electric equipment arranged in the box body, two ends of the box body in a width direction of the vehicle extend to respective skirt plates, and an avoidance gap is provided at a bottom of each of the two ends of the box body, a bottom of each of the skirt plates is fixed at the respective avoidance gap, a top of the box body extends to a position above a bottom beam of a vehicle body, and a bottom of the box body is flush with a bottom plate of the vehicle body and forms a part of the bottom plate of the vehicle body.
Gas circuit breaker and method for attaching bushing
An adapter with an insertion guide for connection between a porcelain tube and a branch tube is provided at an upper end portion of the branch tube. The adapter with the insertion guide includes an insertion guide portion extending in an axial direction of the branch tube. After inserting a lower end of a central conductor into an insertion portion of an arc-extinguishing chamber, a flange of the porcelain tube is inserted into the adapter with the insertion guide by guidance of the insertion guide portion. Accordingly, in a state where a bushing and the branch tube are self-aligned with each other, a lower end portion of the central conductor is inserted into the insertion portion.
Hybrid plug-on/pigtail neutral bar
A neutral bus bar for an electrical distribution apparatus. The neutral bus bar includes an elongated body that has a rail and a plurality of wire connectors arranged. Each of the wire connectors includes a side hole on the body and a top hole. The side hole can receive an electrical neutral wire such as from a pig tail type circuit breaker. The top hole has a mouth which opens onto the recessed channel and can receive a tightening screw to secure the received electrical wire in the side hole.
Tape material having clad structure for manufacturing ignition plug electrode
The present invention relates to a tape material for manufacturing an ignition plug electrode, the tape material being a member for forming an electrode chip, in which a base metal layer and a precious metal layer are cladded, on a bonded region set on an electrode base material of an ignition plug, the member is in the form of a long tape in which the base metal layer being in contact with the bonded region is cladded with the precious metal layer being in contact with the base metal layer, the base metal layer has a width substantially equal to one of the longitudinal width, lateral width and diameter of the bonded region. According to the present invention, bonding between a precious metal chip and a substrate can be reliably maintained to prolong the life of an ignition plug. Accordingly, precious metals can be efficiently used to save resources.
Semiconductor laser element
A semiconductor laser element includes a semiconductor stack with a ridge, a first electrode layer, a current injection prevention layer, and a second electrode layer. The semiconductor stack has an emission surface and a reflection surface. The first electrode layer extends in the lengthwise direction and disposed on the ridge in contact with the semiconductor stack. The current injection prevention layer partially covers the first electrode layer, and has one or more island portions. Each of the island portions is disposed in a center region of the ridge in plan view. The second electrode layer is disposed on the current injection prevention layer, and partially in contact with the first electrode layer.
Adaptive boost control for gating picosecond pulsed fiber lasers
A method includes applying a boost pump signal to a pump laser of a laser system based on a preceding off duration associated with the laser system, and applying a forward pump signal to the pump laser. A laser system includes a seed laser situated to generate seed optical pulses, a pump laser situated to generate pump optical radiation, a fiber amplifier situated to receive the pump optical radiation and the seed optical pulses, and a controller situated to select a pump boost duration or pump boost magnitude based on an off duration associated with the laser system.
Optical amplifier module
An optical amplifier module is configured as a multi-stage free-space optics arrangement, including at least an input stage and an output stage. The actual amplification is provided by a separate fiber-based component coupled to the module. A propagating optical input signal and pump light are provided to the input stage, with the amplified optical signal exiting the output stage. The necessary operations performed on the signal within each stage are provided by directing free-space beams through discrete optical components. The utilization of discrete optical components and free-space beams significantly reduces the number of fiber splices and other types of coupling connections required in prior art amplifier modules, allowing for an automated process to create a “pluggable” optical amplifier module of small form factor proportions.
Photonic devices and methods of using and making photonic devices
Examples of the present invention include integrated erbium-doped waveguide lasers designed for silicon photonic systems. In some examples, these lasers include laser cavities defined by distributed Bragg reflectors (DBRs) formed in silicon nitride-based waveguides. These DBRs may include grating features defined by wafer-scale immersion lithography, with an upper layer of erbium-doped aluminum oxide deposited as the final step in the fabrication process. The resulting inverted ridge-waveguide yields high optical intensity overlap with the active medium for both the 980 nm pump (89%) and 1.5 μm laser (87%) wavelengths with a pump-laser intensity overlap of over 93%. The output powers can be 5 mW or higher and show lasing at widely-spaced wavelengths within both the C- and L-bands of the erbium gain spectrum (1536, 1561 and 1596 nm).
Terminal row for a terminal device
A terminal row for a terminal device, which can be attached to an electronics housing in an insertion direction and which can be connected to an electronic component that is to be accommodated in the electronics housing, has a predetermined number of single electrical conductors or connectors connected thereto to produce a connection between the single electrical conductors or connectors and the electronic component. The terminal row includes a plurality of main housings, at least two of the plurality of main housings being different, wherein the main housings are separate from one another in a pre-assembly state and configured to be attached to one another in a row direction to form the terminal row.
Earthing conductor element for switchboard terminal blocks and associated terminal block for earthing earth wires
A conductor element includes a conductor lamina designed to electrically connect together two wires and a substantially vertical shaped body extending in the longitudinal direction. The substantially vertical shaped body including a bottom body section having a bottom free edge, a first end, a second end, and a flat-lamina spring. The bottom free edge extends in the longitudinal direction for resting in the vertical direction on a DIN-standard rail. The first end includes a tooth to engage with one of the two folded flanges of the DIN standard rail (B). The second end is opposite to the first end and is designed for engaging and retaining the flat-lamina spring. The flat-lamina spring includes a head and two flat-pins legs for engagement with the other folded flange of the rail.
Electrical connector for a vehicle
An electrical connector comprises a dielectric body having a socket. A plurality of pivotable arms are hinged to the dielectric body. A releasable locking mechanism holds the pivotable arms in a locked position that releases with an outward pulling force exceeding a threshold force. The releasable locking mechanism comprises two or more latch members that are biased by corresponding springs against the corresponding pivotable arms. Each pivotable arm has a protrusion that divides a first region from a second region of the pivotable arm.
Electrical connector with a mating connector detection
An electrical connector for connecting a mating connector includes a main body having a terminal slot, a tongue extending from the main body, and first and second terminals. The terminal slot extends to a mating surface of the tongue. The first terminal has a first extending portion received in the terminal slot and a first contacting portion extending from the first extending portion. The second terminal has a second extending portion received in the terminal slot and a second contacting portion extending toward the mating surface and bending backward. The second extending portion is away from the mating surface relative to the first extending portion. The first and second contacting portions expose out of the mating surface and are arranged front and back. When the electrical connector connects the mating connector, the first and second terminals contact the mating connector to form an electrical circuit.
Printed circuit board having high-speed or high-frequency signal connector
A printed circuit board includes a substrate including a surface layer and a first ground layer; a high-frequency signal generation part provided in the surface layer of the substrate; at least one high-frequency signal connector mounting portion formed in the surface layer of the substrate; at least one high-frequency signal line formed in the surface layer of the substrate, and extend from the high-frequency signal generation part to the at least one high-frequency signal connector mounting portion; and at least one high-frequency signal connector disposed in the at least one high-frequency signal connector mounting portion, wherein an end of the first ground layer is exposed to a side surface of the substrate, and when the high-frequency signal connector is disposed in the at least one high-frequency signal connector mounting portion, a ground of the high-frequency signal connector is in contact with the end of the first ground layer.
Electrical connectors including electromagnetic interference (EMI) absorbing material
Examples of electrical connectors that incorporate electromagnetic interference (EMI) absorbing materials are described. In one example, an electrical connector includes a first pair of conductors, a second pair of conductors, and electromagnetic interference (EMI) absorbing material at least partially separating the first pair of conductors from the second pair of conductors. Each of the first and second pairs of conductors defines one of a differential pair or a signal conductor/ground pair. The EMI absorbing material may be configured to attenuate, primarily by absorption, an electromagnetic field generated due to transmission of electrical signals via one of the first pair and second pair of conductors to reduce the electromagnetic inference from the electromagnetic field on the other of the first pair and second pair of conductors.
Electrical connector having contact wafers with a step structure
An electrical connector includes a metal shell defining a receiving cavity along a front-to-back direction and a number of contact wafers retained in the receiving cavity and assembled together along a transverse direction perpendicular to the front-to-back direction. The contact wafers define a mating cavity along the transverse direction. Each of the contact wafers includes an insulative housing and a number of terminals. The insulative housing includes a main body portion and a pair of extending portions extending forwardly therefrom. The pair of extending portions form an insertion opening along the front-to-back direction. The main body portion is thicker than the extending portions along the transverse direction. Each of terminals has a contacting section extending forwardly from the main body portion and spaced from the extending portion along the transverse direction.
Low profile connector system
A connector system is disclosed that can support high data rates over a connector with terminals on a 0.5 mm pitch. A plug connector can include a termination module that has a paddle card and a plug module that includes rows of terminals. The termination module and the plug module can be aligned via the row of terminals and pads on the paddle card. A receptacle connector includes two rows of terminals that are provided on opposite sides of a tongue. The tongue includes impedance notches aligned with terminals arranged as differential pairs. Ground terminals extend past the differential pairs and along the impedance notch.
Card edge connector having improved ejector
A card edge connector includes an elongated insulative housing, a number of contacts retained in the insulative housing, and an ejector received in the insulating housing for locking with a memory card. The insulative housing includes a passageway and at least one tower portion extending upwardly from an end thereof. The tower portion has a two opposite side walls, and a middle wall located between two side walls. The ejector has a base portion defining a lower ejecting section, a locking portion defining a locking section, and a narrowed reinforcing portion formed between the base portion and the locking portion. The narrowed reinforcing portion being thinner than the base portion and the locking portion, and the middle wall has a narrowed slot communicating with the elongated passageway to permit the narrowed reinforcing portion to rotate inward to lower a height of the card edge connector.
Electrically connecting device, electrical connector, and mating connector
An electrically connecting device includes an electrical connector and a mating connector detachably connected to the electrical connector. The electrical connector includes an insulating base, a central terminal, an outer terminal, and a magnetic member, which are fixed in the insulating base. The outer terminal includes an annular contact having a center located at the central terminal. The mating connector includes an insulating body, a first terminal, a second terminal, and a mating magnetic member, which are fixed in the insulating body. When the electrical connector and the mating connector are relatively rotated along the central terminal in 360 degrees, the magnetic member and the mating magnetic member are configured to attract with each other to form an annularly magnetic region, so that the central terminal and the annular contact are maintained to respectively contact with the first terminal and the second terminal.
Articulated robot with connection member for connecting wire body arranged on arm
An articulated robot comprises an arm which changes a direction at a joint, and a tube coupling to which a wire body is connected and which is attached to the arm. The arm includes a frame which has a hollow interior. The frame has a concave part which is depressed toward the interior. The tube coupling is arranged inside the concave part.
The invention relates to an electrical contact for an electrical plug connection, said contact having a flexible element between a connecting region fixed in a housing and a movable contact region. In the electrical contact, the movement of the contact region and/or the deformation of the flexible element in the direction of an axis extending parallel to the plugging direction of the contact region is/are limited. Such contacts are provided in particular in power sockets for motor vehicles for creating an electrical connection to a trailer.
Method and apparatus for interconnecting distributed power sources
An apparatus and system for coupling power. In one embodiment, the apparatus comprises a trunk cable comprising a first conductor, a second conductor, and a third conductor; a first connector, wherein a first terminal of the first connector is conductively coupled to the first conductor; a second connector, wherein a first terminal of the second connector is conductively coupled to the second conductor; and a third connector, wherein a first terminal of the third connector is conductively coupled to the third conductor, and wherein the first, the second, and the third connectors are each adapted to couple to a different DC-AC power converter and an output of the trunk cable comprises three-phase AC power.