Cut-and-clinch apparatus and board work machine
A cut-and-clinch apparatus that cuts and bends protruding parts of two lead wires of a lead component to be respectively inserted through two of a plurality of through-holes formed in a circuit board, the cut-and-clinch apparatus includes a pair of movable elements that are used in a case where the respective protruding parts of the two lead wires are cut and bent and that are made to approach each other and separate from each other, and a movable element position control section that controls the positions of the pair of movable elements, on the basis of image data obtained by the pair of movable elements being imaged.
Fan tray perforation pattern
An apparatus is provided in one example embodiment and includes a plate having a plurality of perforations configured in a pattern. The pattern includes the plurality of perforations arranged in concentric circles centered at a point. Each of the perforations is a closed shape comprising four edges, with rounded corners between adjacent edges, with two opposite edges of each of the perforations including non-parallel straight lines and two other opposite edges comprise concentric, offset curved lines. The non-parallel straight lines may form an angle with a vertex at the point, and the concentric curved lines may be centered at the point. The perforations in each concentric circle may be angularly spaced around the point. The apparatus may further include a substantially circular fan.
Pin fin heat sink with integrated phase change material and method
A pin fin heat sink includes a plurality of pin fins extending from a base plate, at least one of the plurality of pin fins defining a hollow portion therein. The heat sink also includes a phase change material sealed within the at least one pin fin to absorb transient thermal loads that the pin fin is subjected to.
Systems and methods for zero power automatic thermal regulation
Systems and methods for zero power automatic thermal regulation are provided. In one embodiment, a method for passive thermal management comprises: establishing thermal conductivity between a self-heating electronic device and a cooling fluid held within a fluid reservoir via a thermal interface; using thermally controlled expansion of the cooling fluid, controlling a length of a column of the cooling fluid extending into at least one channel extending from the fluid reservoir, wherein the channel provides a non-recirculating path for the cooling fluid to expand into, and wherein the length of a column of the cooling fluid is thermally controlled using heat absorbed by the cooling fluid from the self-heating electronic device; and selectively establishing a primary heat path between the electronic device and a heat sink interface thermally coupled to an external environment as a function of the length of the column of the cooling fluid within the channel.
Electronic device with cooling fan
In an exemplary electronic device with a cooling fan, a fan assembly is attached to a keyboard assembly of the electronic device. The fan assembly includes an impeller at least partially inside a fan enclosure. The fan enclosure has, on a surface, an inlet opening and an external protrusion. The electronic device further includes a bottom case. The fan assembly is positioned between the keyboard assembly and the bottom case and oriented such that the inlet opening and the external protrusion face the bottom case. The external protrusion maintains a passage between the fan enclosure and the bottom case that allows air to enter the inlet opening and also resists interference between the rotating impeller and the stationary bottom case.
Airflow baffle system
An airflow baffle system has an airflow baffle with a base and an airflow diverter panel. A mounting arm is connected to the base. A magnet connected to the mounting arm is operable to magnetically connect to the top of the equipment cabinet. The mounting arm is selectively pivotal in a horizontal plane relative to the base and fixable in a plurality of angular orientations. A position of the magnet is adjustable along a length of the mounting arm and the magnet is connected to the mounting arm by a flexible connection permitting the magnet to pivot about horizontal axes relative to the mounting arm. The airflow diverter panel is mountable on the base in an angled orientation and a vertical orientation. A unitary or separable riser allows adjustment of a vertical position of the airflow diverter panel with respect to the top of the equipment cabinet.
Sensor housing for a radar sensor and radar sensor
A sensor housing for a radar sensor for a vehicle comprising a housing and a printed circuit board. The housing has a venting duct for the venting of the sensor housing, as well as a press-fit guide for the reception of a positioning aid for the printed circuit board. The venting duct and the press-fit guide form a common duct.
Methods and apparatus for determining when a tablet has been removed from a blister pack are presented. A method includes measuring an electrical characteristic, such as electrical resistance or impedance, between at least two terminals that are in electrical communication with a lidding film included in the blister pack, wherein the removal of a tablet from the blister pack results in an opening in the lidding film, thereby giving rise to a finite change in the electrical characteristic. Another method determines the state of the blister pack using electrical resistance tomography or electrical impedance tomography.
Switchgear exhaust assembly
A switchgear exhaust assembly for controlling flow of exhaust from exhaust ports of a switchgear has an enclosure that is couplable to the switchgear to substantially enclose the exhaust ports. The enclosure defines a primary exhaust chamber for receiving exhaust flowing through the exhaust ports and allowing gases of the exhaust to expand and cool down. A top wall of the enclosure has a top layer and a bottom layer defining at least one secondary exhaust chamber. The bottom layer has openings whereby exhaust in the primary exhaust chamber flows to the secondary exhaust chamber. The top and bottom layers further define one or more side openings that provide fluid communication between the secondary exhaust chamber and a space surrounding the enclosure, thereby allowing exhaust to be expelled into the space.
Sleeved coaxial printed circuit board vias
A printed circuit board, and a method of fabricating the printed circuit board is disclosed. The printed circuit board includes at least one coaxial via. A hollow via is disposed in the printed circuit board. A metal sleeve is formed around the circumference of said hollow via. An inner conductive path is disposed in the hollow via. Additionally, an insulating material is disposed in the hollow via, between the conducting path and the metal sleeve. The conductive path is used to connect signal traces disposed on two different layers of the printed circuit board. In some embodiments, these signal traces carry signals having a frequency above 1 GHz, although the disclosure is not limited to this embodiment.
Method of manufacturing a ceramic substrate
A method of manufacturing a ceramic substrate includes the steps of preparing a ceramic paste in which a powder of at least one of a metal boride and a metal silicide is added to a raw material powder of a glass ceramic, applying the ceramic paste to a green sheet which is to become a ceramic layer after firing, applying a conductor paste which is to become a conductor trace after firing to the ceramic paste having been applied to the green sheet, and firing the green sheet carrying the ceramic paste and the conductor paste applied thereto.
3D printing with components embedded
Methods of and devices for using additive processes (e.g., 3D printing) to embed components inside an object are disclosed. In some embodiments, the components include active components, such as computer chips. In other embodiments, the components include passive components, such as inductor, resistor, and capacitors. The methods and devices disclosed herein can be used for rapid prototyping and fast manufacturing.
Method of forming an interference shield on a substrate
An apparatus including a die including a device side with contact points and lateral sidewalls defining a thickness of the die; a build-up carrier coupled to the die, the build-up carrier including a plurality of alternating layers of patterned conductive material and insulating material, wherein at least one of the layers of patterned conductive material is coupled to one of the contact points of the die; and an interference shield including a conductive material disposed on the die and a portion of the build-up carrier. The apparatus may be connected to a printed circuit board. A method including forming a build-up carrier adjacent a device side of a die including a plurality of alternating layers of patterned conductive material and insulating material; and forming a interference shield on a portion of the build-up carrier.
Printed wiring board
A printed wiring board includes: a core substrate having a core layer and first and second conductor layers; a first build-up layer including a first insulating layer, an inner first conductor layer, an outermost first insulating layer, and an outermost first conductor layer; and a second build-up layer including a second insulating layer, an inner second conductor layer, an outermost second insulating layer, and an outermost second conductor layer. Each conductor layer includes metal foil, seed layer, and electrolytic plating film, t1/T1, t2/T2, u1/U1 and u2/U2 are smaller than 1, and s1/S1 and s2/S2 are larger than 1, where t1, t2, u1, u2, s1 and s2 are electrolytic plating film thicknesses of the first and second and outermost and inner first and second conductor layers, T1, T2, U1, U2, S1 and S2 are metal foil thicknesses of the first and second and outermost and inner first and second conductor layers.
Power module substrate, power module substrate with heat sink, power module, method of manufacturing power module substrate, and copper member-bonding paste
This power module substrate includes a copper plate that is formed of copper or a copper alloy and is laminated on a surface of a ceramic substrate 11; a nitride layer 31 that is formed on the surface of the ceramic substrate 11 between the copper plate and the ceramic substrate 11; and an Ag—Cu eutectic structure layer 32 having a thickness of 15 μm or less that is formed between the nitride layer and the copper plate.
Printed-circuit board, printed-wiring board, and electronic apparatus
A printed-wiring board has a land group with which a terminal group of a semiconductor package has been joined, a first conductor pattern arranged in a mounting area where the semiconductor package is mounted and joined with a heat radiation plate of the semiconductor package, a second conductor pattern, at least a part of which is arranged on the outside of the mounting area, and a third conductor pattern which connects the first and second conductor patterns. The land group includes a first land adjacent to the third conductor pattern and a second land which is not adjacent to the third conductor pattern, and the first land is formed in a shape different from that of the second land so as to be away from the third conductor pattern.
Photon neutralizers for neutral beam injectors
A non-resonance photo-neutralizer for negative ion-based neutral beam injectors. The non-resonance photo-neutralizer utilizes a nonresonant photon accumulation, wherein the path of a photon becomes tangled and trapped in a certain space region, i.e., the photon trap. The trap is preferably formed by two smooth mirror surfaces facing each other with at least one of the mirrors being concave. In its simplest form, the trap is elliptical. A confinement region is a region near a family of normals, which are common to both mirror surfaces. The photons with a sufficiently small angle of deviation from the nearest common normal are confined. Depending on specific conditions, the shape of the mirror surface may be one of spherical, elliptical, cylindrical, or toroidal geometry, or a combination thereof.
Low electron temperature, edge-density enhanced, surface-wave plasma (SWP) processing method and apparatus
A surface wave plasma (SWP) source couples microwave (MW) energy into a processing chamber through, for example, a radial line slot antenna, to result in a low mean electron energy (Te). An ICP source, is provided between the SWP source and the substrate and is energized at a low power, less than 100 watts for 300 mm wafers, for example, at about 25 watts. The ICP source couples energy through a peripheral electric dipole coil to reduce capacitive coupling.
Asymmetric induction devices and systems and methods using them
Certain embodiments described herein are directed to devices, systems and methods that comprise asymmetric induction devices. In some instances, the device can include a plurality of plate electrodes which can be spaced asymmetrically or a plurality of coils which can be spaced asymmetrically.
Capacitively coupled devices and oscillators
Certain embodiments described herein are directed to devices that can be used to sustain a capacitively coupled plasma. In some examples, a capacitive device can be used to sustain a capacitively coupled plasma in a torch in the absence of any substantial inductive coupling. In certain embodiments, a helium gas flow can be used with the capacitive device to sustain a capacitively coupled plasma.
Discharge lamp drive device, light source device, projector, and discharge lamp drive method
A discharge lamp drive device includes a discharge lamp driver adapted to supply a drive current to a discharge lamp, a control section adapted to control the discharge lamp driver, and a storage section adapted to store a plurality of drive patterns of the drive current. Each of the drive patterns has a plurality of drive parameters. The plurality of drive patterns includes a first drive pattern and a second drive pattern different from each other in a value of at least one of the plurality of drive parameters. The control section is configured to execute the first drive pattern and the second drive pattern in accordance with at least one of accumulated lighting time of the discharge lamp and an individual of the discharge lamp in a case in which an inter-electrode voltage of the discharge lamp is at a predetermined voltage value.
Lighting control system, lighting system, and lighting control method
A lighting control system controls a light source that emits light to a space in which subjects stay. The lighting control system includes: an communication interface that obtains stay schedule information indicating scheduled periods in an operation period after a first time and before a second time later than the first time, the scheduled periods being periods during each of which a corresponding one of the subjects is to stay in the space; and a processor that creates an illumination schedule for causing the light source to emit the light, based on the stay schedule information, and causes the light source to emit the light according to the illumination schedule created. The processor creates, based on the stay schedule information, the illumination schedule for causing the light source to emit the light during a period including a scheduled period common to at least two of the subjects.
Building equipment-based communication system
The invention relates to a building equipment-based communication system (1) comprising at least one building equipment-based device as a master unit (20), in particular a light fixture, to which at least one slave unit (13, 14), in particular a sensor and/or actuator, can be connected via a network, preferably in a wireless manner; the slave unit (13) is designed to communicate with the master unit (10) via the network connection either directly or indirectly by way of other slave units (14); and the master unit (10) is designed to send, via a communication interface (18), information received from the at least one slave unit (13,14).
Lighting commanding method and an assymetrical gesture decoding device to command a lighting apparatus
A gesture lighting source output command method for controlling a lighting apparatus, together with an asymmetrical, no facing, gesture decoding device for commanding a lighting source, by decoding gesture translational motions of a heat emitting object, e.g. a human hand, at distances up to 1.5 meters, in geometrical planes that may be not coplanar with the gesture decoding device plane, and comprising a casing with an embedded electronic controller and two dual PIR sensors, geometrically arranged in a special manner, rotated 2α degrees one relatively to the other, fitted with specially designed Fresnel lenses, their beam axis forming an angle of 2γ degrees between each other and an angle β with the vertical.
Devices having calibrated LEDs
The various implementations described herein include methods, devices, and systems for calibrating LED(s). In one aspect, an electronic device includes: (1) a plurality of light emitting diodes (LEDs); (2) one or more processors; and (3) memory storing a plurality of color correction matrices, each color correction matrix of the plurality of color correction matrices: (a) corresponding to an LED of the plurality of LEDs, (b) generated based on a desired color value for the corresponding LED, and (c) scaled to prevent overrange of color values for the corresponding LED; and the memory includes instructions for operating the plurality of LEDs in accordance with the stored plurality of color correction matrices.
Devices, systems, and methods for maintaining light intensity in a gateway based lighting system
The disclosure relates to devices, systems, and methods to set, adjust, and/or maintain lumen levels of luminaires in a lighting system, for example. The lights may be a plurality of Light Emitting Diode (LED)-based luminaires, which are part of a smart illumination system. In certain exemplary embodiments, sensor subsystems detect degradation of luminaire lumen levels and servers/gateways are used to adjust dimming controls to reestablish proper lumen levels and predict a half-life or end of life for the luminaires.
White light source system
According to one embodiment, there is provided a white light source system. P(λ), B(λ) and V(λ) satisfy an equation (1) below in a wavelength range of 380 nm to 780 nm. The white light source system satisfies an expression (2) below in a wavelength range of 400 nm to 495 nm: ∫ 380 780 P ( λ ) V ( λ ) d λ = ∫ 380 780 B ( λ ) V ( λ ) d λ ( 1 ) P ( λ ) / B ( λ ) ≦ 1.8 . ( 2 ) where P(λ) is a light emission spectrum of white light, B(λ) is a light emission spectrum of blackbody radiation of a color temperature correspond to a color temperature of the white light, and V(λ) is a spectrum of a spectral luminous efficiency.
Load control device for a light-emitting diode light source
A method for controlling an amount of power delivered to an electrical load includes controlling an average magnitude of a load current towards a target load current that ranges from a maximum rated current to a minimum rated current in a normal mode, and controlling the average magnitude of the load current below the minimum rated current in a burst mode. The burst mode includes at least one burst mode period that comprises a first time period associated with an active state and a second time period associated with an inactive state. During the burst mode, the method includes regulating a peak magnitude of the load current towards the minimum rated current during the active state, and stopping the generation of at least one drive signal during the inactive state to control the average magnitude of the load current to be less than the minimum rated current.
Controlling output voltage to achieve ultra-low standby power in dim-to-off LED applications
An electronic device is provided that includes an integrated circuit (IC) configured to regulate an output voltage for powering a light emitting diode (LED). A first transistor is configured to be switched on or off by the IC to inductively couple or decouple a main power supply bus voltage from a primary winding of a transformer to a secondary winding of the transformer connectable to the LED. A second transistor is coupled between the IC and the main power supply bus voltage, and configured to be switched on or off by the IC to selectively provide an IC power supply input voltage to the IC.
Apparatus and assembly for heating pipes
A heater is provided for a waste water system comprising of a heating element encased in a protective pipe. The pipe is closed at one end and attached at the opposite end to an end cap that may be connected by a standard fitting to a sewer installation. The protective pipe is sealed to the end cap and the heating element is removable from within the protective pipe without adversely affecting the integrity of the installation.
Method and system for using a situational network
A network system for accessing situation related information is disclosed. In one embodiment, the system includes a network connection for receiving an indication of an occurrence of a situation; a situational network formed based on the occurrence of the situation, the situational network including a plurality of participant devices determined to be geographically proximate to the situation, each of the participant devices corresponding to a participant in the situational network; a second network connection for presenting a roll call query to each of the plurality of participant devices soliciting a reply related to a status of the participant; a plurality of network connections established for receiving a status response from the participant devices; and a database for aggregating the status responses from responsive participants into a roll call list.
Method and wireless communication system for handling offloading of DRBs to WLAN carrier
A method by a wireless local area network (WLAN) termination (WT) node is described. The method includes receiving, from a base station, a first message including bearer related information; identifying access category information based on quality of service (QoS) class identifier (QCI) information included in the bearer related information; transmitting, to the base station, a second message in response to the first message; and transmitting, to a terminal, data based on the access category information.
Method for terminal-to-terminal communication in a cellular mobile radio network, and a system therefor
A method for terminal-to-terminal communication in a cellular mobile radio network includes providing a radio signal interference map that is indicative of a location-dependent radio signal interference disturbance within a coverage area of a base station. The location-dependent radio signal interference disturbance is indicative of a radio signal interference disturbance of a terminal-to-terminal communication, and the radio signal interference map is based on a learning algorithm for a geographic radio signal interference map. Configuration information regarding a configuration setting of a radio transmission for a terminal-to-terminal communication between a first mobile radio communication terminal and a second mobile radio communication terminal is provided based on the location-dependent radio signal interference disturbance of the radio signal interference map. The configuration setting enables a statement regarding a configuration to be performed in respect of the radio transmission. The method also includes setting up a terminal-to-terminal communication between the first mobile radio communication terminal and the second mobile radio communication terminal, taking into account of the provided configuration information regarding the configuration setting.
System and method for efficient connection setup and communication for power conscious devices
A method for establishing a radio connection includes selecting a first radio access technology for a first phase of a multi-phase radio connection establishment process to minimize power consumption at a remote device, and participating in the first phase of the multi-phase radio connection establishment process. The method also enables establishing and using a radio connection with the first radio access technology that is selected independently from a selection of a second radio access technology used in a second phase of the multi-phase radio connection establishment process, wherein the second phase may be relayed or direct data communications over the established connection in the first phase between the wearable device and its peer (relay) devices or network equipment.
User station (STA) and access point (AP) and method for random access contention using cascaded trigger frames
Embodiments of a user station (STA), access point (AP), and method for random access contention in a wireless network are generally described herein. The STA may receive, from the AP, a beacon frame for a beacon interval. The STA may further receive a first random access Trigger Frame (TF) that indicates a first allocation of channel resources for random access contention by STAs during a first uplink transmission period of the beacon interval. The beacon frame may include a transmission timing for the first random access TF and a first TF cascade type for the first random access TF. The first TF cascade type may indicate whether a next TF is a random access TF or a scheduled access TF.
Mobile station apparatus, base station apparatus, wireless communication method, and integrated circuit
To make a mobile station apparatus efficiently generate a base sequence. In a mobile station apparatus that generates a sequence for a demodulation reference signal on the basis of at least a sequence group number and transmits to a base station apparatus the demodulation reference signal together with a physical uplink shared channel used for transmission of a transport block, the mobile station apparatus receives information indicating a value of a parameter relating to the sequence from the base station apparatus, and determines the sequence group number without using the value of the parameter in a case where the mobile station apparatus performs transmission of the transport block on the physical uplink shared channel as part of a contention based random access procedure.
Method of fast-retransmitting uplink data in wireless communication system and apparatus therefor
The present application relates to a method performed by a terminal for transmitting uplink data (UL data) in a wireless communication system supporting a low latency service, the method comprising the steps of: receiving a UL grant for transmitting initial data from a base station; transmitting the initial data to the base station on the basis of the received UL grant; receiving, from the base station, non-acknowledgement (NACK) for the transmission of the initial data and a simple UL grant comprising resource information related to the retransmission of the initial data; and performing the retransmission of the initial data on the basis of the received simple UL grant.
Method and apparatus in a wireless communications system
A method in a user equipment for requesting that a base station schedule the user equipment for an uplink data transmission to the base station is provided. The user equipment comprises a buffer. Directly or indirectly responsive to receiving data into the buffer to be transmitted to the base station, the user equipment generates a scheduling request trigger. The scheduling request trigger is configured to trigger the sending of a scheduling request to the base station if the trigger is pending at the next scheduling request opportunity, and to remain pending until it is cancelled. The user equipment cancels the pending scheduling request trigger when the data is accounted for in a buffer status report, which reports the size of the buffer to the base station, or when the data is included directly in a scheduled uplink data transmission whichever occurs first.
Adaptive resource management for robust communication in new radio
The present disclosure provides for adaptive resource management in new radio operations that favors the usage of resources for pilot signals and channel estimation in the transition slots of a slot burst, and the transmission of data in the subsequent slots of the slot burst. A device such as a user equipment (UE) and/or a base station may determine that the UE is operating in a transition state. The device may adapt a first numerology including a first number of symbols per slot used for transmission in the transition slots during the transition state, to a second scaled numerology including a second number of symbols per slot used for transmission in the subsequent slots after the transition state. A ratio of reference signal symbols to data symbol symbols may be greater in the transition slots than in the subsequent slots.
Method of handling normal bandwidth and narrow bandwidth coexistence
A time-division mechanism that a source station uses a proprietary frame for notifying switching from a normal bandwidth operation to a narrow bandwidth operation to at least one destination station in a wireless communication system, and uses a protection frame to reserve the service period for the narrow bandwidth operation without the interference from the normal bandwidth operation, wherein the service period of the narrow bandwidth operation is indicated in the protection frame.
Device-to-device (D2D) data transmission method of user equipment in wireless communication system and user equipment using same method
Disclosed are a device-to-device (D2D) data transmission method of a user equipment (UE) in a wireless communication system and a UE using the method. The method comprises: receiving multiple resource pools and a resource pool configuration for configuring priority order information on each resource pool; and selecting a particular resource pool to transmit D2D data among the multiple resource pools on the basis of the priority order information on each resource pool, wherein the priority order information on each resource pool indicates the priority order of D2D data capable of using each of the multiple resource pools.
Communication control device, communication control method, communication system and communication device
Provided is a communication control device controlling communication of one or more secondary usage nodes respectively providing second communication services using a part of a frequency band assigned to a first communication service, the communication control device including a communication unit receiving access technique information indicating radio access techniques usable by the corresponding secondary usage nodes from the respective secondary usage nodes, a storage unit storing the access technique information received by the communication unit, and a control unit that, when at least a portion of a service area of a second-order second communication service is included in a service area of a first-order second communication service, determines whether at least a part of communication resources can be shared between the first-order and the second-order second communication services based on the radio access techniques of the first-order and the second-order second communication services indicated by the access technique information.
Resource allocation apparatus, system and method
Embodiments of the present invention disclose a resource allocation apparatus. The apparatus includes: a determining unit, configured to determine a quantity of resource blocks required by user equipment that needs to perform uplink transmission, where a quantity of resource blocks required by first user equipment that needs to perform uplink transmission and a quantity of resource blocks required by second user equipment that needs to perform uplink transmission are both M. The apparatus also includes an allocation unit, configured to allocate a resource block in a first subgroup in a first resource group to the first user equipment and allocate a resource block in a second subgroup in the first resource group to the second user equipment, where the first resource group includes multiple subgroups including the first subgroup and the second subgroup, and each subgroup includes M resource blocks.
A memory system is provided. The memory system includes a memory area configured to include a plurality of memory cells; a driving area configured to drive the memory cells; and a control area configured to supply a standby current to the memory area before the memory area records data; a plurality of word lines is crossing to a plurality of bit lines via the plurality of memory cells; and wherein each of the memory cells includes a memory layer, a magnetic fixed layer, an intermediate layer including a non-magnetic material provided between the memory layer and the magnetic fixed layer, a top electrode provided over the memory layer, a bottom electrode provided over the magnetic fixed layer.
Method and an apparatus for determining a beam to direct a signal to be transmitted to a user equipment
A method performed by a network node for determining a beam to direct a signal to be transmitted from the network node to a user equipment in a wireless communications network. The network node obtains (302) information related to a sequence of beams associated with the user equipment. The network node further determines (304) the beam based on the information related to the sequence of beams.
Method for managing wireless resources, and access point using same
The present invention relates to a method for managing wireless resources, and an access point (AP) using the same. The method for managing wireless resources, according to one embodiment of the present invention, can comprise: a monitoring step of monitoring the use state of an operation channel being used, so as to determine the use state of the wireless resources for the operation channel; and a control step of changing, by the AP, the frequency of the operation channel or handing a terminal connected to the AP over to a neighboring AP according to the determined use state of the wireless resources.
Base station and wireless communication system
It is provided a wireless communication system comprising base stations that transmit data to a terminal with cooperation by the base stations. The terminal communicates with the base stations. The terminal periodically transmits, to one of the base stations, information necessary for data transmission from a single base station out of the base stations. Each of the base stations determines whether the terminal needs data transmission through a cooperation among the base stations, and transmits a cooperation information transmission instruction to the terminal, which includes information necessary to execute the data transmission in order to cooperate among the base stations in the case where it is determined that the terminal needs the data transmission through the cooperation among the base stations. The terminal transmits the cooperation information to the base stations in a case of receiving the cooperation information transmission instruction.
Method and apparatus for component carrier aggregation in wireless communications
A wireless transmit/receive unit (WTRU) receives a downlink subframe having multiple component carriers, each component carrier having control information encoded in a physical data control channel (PDCCH). The WTRU performs a blind decoding of control information in a first PDCCH located within a first component carrier to obtain a location of a second PDCCH located within a second component carrier, where the location of the second PDCCH is relative to a location of the first PDCCH as control channel element offset. The WTRU decodes the second PDCCH at the obtained location.
Radio resource sharing
A technique, comprising: controlling a radio transmitter or radio transceiver of a device of a first radio system to transmit to a second radio system information about use of at least one radio resource for one or more transmissions outside the control of the second radio system, wherein said at least one radio resource is also usable for transmissions controlled by the second radio system.
Architecture and method in a wireless communication network
Radio network node comprises a plurality of antenna sub arrays, forming a multiple antenna array which is configured for beamforming, spatial multiplexing and Multiple Input Multiple Output, MIMO, transmission/reception, and further comprising an antenna base band processing unit and a central base band processing unit. The radio network node further comprises a plurality of antenna active modules, wherein each active antenna module is connected to one of the antenna sub arrays, comprised in the multiple antenna array, and wherein each active antenna module is configured for pre-processing of signals over the respective antenna sub array, before any forwarding of signals is made to the central base band processing unit.
Data broadcasting with a prepare-to-broadcast message
Techniques for broadcasting data in a multi-channel network having a control channel and multiple data channels are described. A node wishing to broadcast data may determine a particular data channel from among the multiple data channels, a modulation technique, and a data rate to be utilized to broadcast the data. The broadcasting node may transmit a message over the control channel indicating that the data will be broadcast on the particular data channel using the modulation technique and at the determined data rate. The broadcasting node and a node wishing to receive the data may switch to the particular data channel. The broadcasting node may broadcast the data over the particular data channel, while the receiving node may receive the data. After broadcasting the data or a predetermined time period has expired, the broadcasting node and receiving node may switch to the control channel.
Paging with enhanced beamforming
The present disclosure describes methods and apparatuses for paging with enhanced beamforming. In example implementations, a base station (BS) transmits at a paging occasion a paging message to multiple end-user devices (EUDs) via a downlink communication with a wide beam. If an EUD fails to obtain the paging message, the EUD selects a frequency sub-band and formulates a paging request with an EUD identifier. The EUD transmits the paging request to the BS via an uplink communication with a narrow beam using the selected frequency sub-band. The BS processes the paging request and formulates a paging response based on the identifier. The BS transmits the paging response via a downlink communication with a narrow beam on the selected frequency sub-band. The BS determines a direction of the narrow beam of the downlink communication based on a direction of the narrow beam of the uplink communication to answer the paging response.
System and method for managing the monitoring and receipt of a paging signal
The present invention provides a system and method for managing in a wireless communication device the receipt of a paging signal from a wide area wireless network. The method includes detecting by the wireless communication device whether the user of the wireless communication device is available for receiving an alert regarding incoming information via the wireless communication device. When the device determines that the user is not available for receiving the alert, one or more intervals during which a paging signal is expected as being possible are ignored by the wireless communication device, such that any paging signal for the wireless communication device that is present during the one or more intervals that are being ignored by the wireless communication device are not received by the wireless communication device.
Enhancing indoor positioning using RF multilateration and optical sensing
Systems and methods are disclosed for enhancing target positioning. A broadcast signal from a device is received by at one or more access points, where a first position area of the device is determined from an analysis of the broadcast signal. A second position area of the target, which is within the first position area, is determined by scanning pixels within the first position area in an image captured by the camera and, based on the scanned pixels, at least one target comprising a portion of the pixels is detected. The target within the image is classified, and based on the classification and portion of the pixels comprising the target, the second position area of the target within the first position of the image is triangulated.
Methods and apparatus to provide extended voice over internet protocol (VoIP) services
Methods and apparatus to provide extended voice over Internet protocol (VoIP) services are disclosed. An example method comprises determining a location of a cellular communication device, and selecting a route for a call to the cellular communication device or to a voice over Internet protocol (VoIP) communication device based upon the location, wherein the VoIP communication device is not implemented by the cellular communication device.
System and method for synchronized distributed data collection
A system and method are provided for distributed data collection synchronization. Provided are communicating data generation units (DGUs) capable of data storage, having consumable power resources. In response to the DGUs comparing their availability and power resources, a master and slave DGUs are selected, and the slave DGUs synchronize their data collection to a common timing reference supplied by their master DGU. One example of consumable power is battery power. A first DGU may select itself as a master DGU in response to either waiting a first predetermined duration of time after reset, or receiving no link status message from a master DGU for a second predetermined duration of time. Alternatively, a slave first DGU may compare its own available power resources to the available power resources of its master second DGU and select itself as the master DGU when the available power resources of the first DGU are greater.
Reducing power consumption via adapting broadcast power for wireless communications
The present application provides a broadcasting method and device for wireless communications, and relates to the field of communications. The broadcasting method includes: a broadcasting interception step of sending a broadcasting message with a current power and performing interception; a power decrease step of, when a request is intercepted, judging whether a sender of the request is identical with a sender of at least one historical request, and if yes, recording the current power as a historical power, and decreasing the current power; and a power determination step of judging whether a current broadcasting event ends, if yes, determining the historical power as a working reference power; otherwise, returning to the broadcasting interception step. The broadcasting method and device are conductive to reducing power consumption of communications.
Uplink signal transmission method and user equipment capable of protecting neighboring band from mobile satellite service band
A disclosure of the present specification provides a method for transmitting an uplink signal by a user equipment. The method may comprise the steps of: receiving a network signal for restricting a transmission power, wherein, when an uplink signal is transmitted through an uplink carrier wave in an uplink band that partially overlaps a mobile satellite service (MSS) band, the network signal is received in the case in which the uplink signal may provide interference to a personal handyphone system (PHS) band; determining a transmission power by applying additional maximum power reduction (A-MPR) on the basis of the received network signal; and transmitting the uplink signal through the uplink carrier wave according to the determined transmission power.
Coordination between application and baseband layer operation
This disclosure relates to techniques for scheduling radio resource control connections between a wireless device and a network element of a network in advance. According to some embodiments, a wireless device may provide an indication of one or more types of upcoming data traffic to the network element. The network element may schedule one or more radio resource control connections for the wireless device based at least in part on the indication of one or more types of upcoming data traffic. The network element may provide an indication of the scheduled radio resource control connection(s) to the wireless device. The wireless device and the network may establish the scheduled radio resource control connection at the scheduled time.
Method and apparatus for optionally running mobile applications locally or virtually
Aspects of the subject disclosure may include, for example, a system and method, for determining whether to run a local application or a remote application, including retrieving, by a processor of a mobile device, metadata for a remote application that executes on the mobile device, determining power requirements from the metadata for a data connection with a remote server that provides services to support execution of the remote application, calculating if the power requirements for the data connection exceeds a remaining charge of a battery of the mobile device, and executing the remote application responsive to the power requirements for the data connection being less than the remaining charge of the battery. Other embodiments are disclosed.
Data bundling and fast dormancy based upon intelligent application learning
Data bundling and fast dormancy controls are provided based on application monitoring and classification. Moreover, a balance is enabled between saving battery power of a user equipment (UE) and reducing signaling and processing load in a radio resource controller (RRC). For instance, a system can observe data flow related behavior of applications on the UE. On receiving a first data flow request, an arrival time of a next data flow request is predicted based on an analysis of the behavior, and the system determines whether the two data flows can be bundled together and transmitted over a single connection. Additionally, on completion of the first data flow, the arrival time of the next data flow request is predicted based on the analysis, and the system determines whether a fast dormancy timer can be disabled to transmit the next data flow over the current connection.
Mobile device management system using network parameter resources
A mobile device management system stores network parameters so that certain functionality can be disabled or placed in sleep mode to optimize and lengthen battery life. The mobile device analyzes its user calendar schedule to download navigation data and network parameters so that tasks such as downloading information and updates are performed during times that the mobile device is connected to lower cost network access such as WiFi networks. By performing tasks such as the downloading of information based on availability of low cost network resources, the battery life of the mobile device may be lengthened. By storing network parameters such as the location of dead zones and roaming zones, the constant pinging of the RF baseband chip can be disabled and only enabled when the mobile device knows it is close to an areas where the mobile device must switch networks, further reducing power consumption.
Method for switching bluetooth working modes, electronic device, and bluetooth chip
A method for switching Bluetooth working modes, an electronic device, and a Bluetooth chip are disclosed. The method includes: executing a first Bluetooth working mode, the first Bluetooth working mode including a working state in which data is normally transmitted and an error state in which data fails to be transmitted; monitoring a first interrupt request signal sent in a second Bluetooth working mode if the first Bluetooth working mode works in the working state; and executing the second Bluetooth working mode and enabling the first Bluetooth working mode to work in the error state if the first interrupt request signal is present.
Method and apparatus for transmission management in a wireless communication system
A method and apparatus may be used in wireless communications. The apparatus may be an access point (AP), and may transmit a power save frame. The power save frame may include one or more Uplink (UL) Transmission Times (ULT)s. The apparatus may determine that a station (STA) did not transmit during its respective ULT. The AP may transmit another power save frame. The other power save frame may include a modified ULT. The modified ULT may be for a STA that did not transmit during its respective ULT. The other power save frame may include an unmodified ULT. The unmodified ULT may be for a STA that did not transmit.
System and method for providing power savings in an access point via ethernet rate and interface shifting
Disclosed is a method for managing bus channels between a physical layer and a media access channel layer of a network. The method includes determining a current rate of link speed on a media dependent interface side of a physical layer of a network architecture. When the current rate changes to yield a new link speed, the method includes determining a minimal (or near minimal) bus size required to implement the new link speed and switching to the minimal bus size between a physical coding sublayer of the physical layer and a reconciliation sublayer of a datalink layer of the network architecture. The method further includes switching to the minimal bus size between a physical coding sublayer of the physical layer and a reconciliation sublayer of a datalink layer of the network architecture.
Method in a network node of a wireless communications network
A method and network node for selecting a most suitable gateway for a User Equipment (UE) located in a wireless communications network. The network includes the network node and at least two gateways configured to provide packet data network connectivity to the UE located within a served cell. The network node detects a presence of a local gateway among the gateways and obtains UE information including a type of the UE. The UE type is either a stationary/fixed type or a mobile type, and the UE type is determined based on UE mobility behavior in relation to a local gateway service area. The network node selects the detected local gateway or another gateway among the at least two gateways for providing packet data network connectivity to the UE based on the determined UE type.
System and method for triangulating location of wireless process automation transmitter for use by smart glass device
A system for triangulating a location of a wireless process automation transmitter for use by a smart glass device is provided. A wireless process automation transmitter transmits a join request signal, and a plurality of network receivers receive the join request signal and transmit time of arrival information to a network manager. The network manager uses the information, including network receiver information and corresponding location information, to triangulate a location of the wireless process automation transmitter. A smart glass device location is triangulated in a similar manner but may also use the wireless process automation transmitter to receive a join request signal and transmit time of arrival information to the network manager. With the location information of both devices, along with an orientation angle of the smart glass device, the network manager determines if the wireless process automation transmitter is in a field of view of the smart glass device.
Cluster-based beacon signal transmission
A method in an access point (AP) for broadcasting a beacon signal in a high frequency radio communication network. The method entails joining an AP cluster in the high frequency radio communication network, wherein the AP cluster contains two or more APs, and broadcasting a same beacon signal together with other APs in the AP cluster synchronously. The broadcasted same beacon signal contains an identification of the AP cluster. Also provided is a method in a communication device for deriving a beacon signal in a high frequency radio communication network.
Mobile application testing engine
Providing collection and storage of mobile application data associated with execution of a mobile application is disclosed for a carrier core-network connected component. In an aspect, the carrier core-network connected component can enable storage of some, none, or all mobile application data related to mobile application information traversing a carrier core-network comprising the carrier core-network connected component. Analysis of the mobile application data can provide insight into a characteristic, behavior, etc., associated with the mobile application. The analysis can enable adaptation of mobile application information transport topography, environment, etc., modification of the mobile application data, testing of mobile application performance related to mobile application information traversing the carrier core-network, simulations to test application services and/or mobile applications, etc. A carrier core-network is generally able to capture more mobile application data from more mobile devices, under more operating systems, and provide better access to collected data than conventional technologies.
Information processing device, information processing method, and program
Provided is an information processing device including a decision unit to decide, based on process capability information acquired through a first communication path from at least one of a first and second control target device which are target devices to be caused to perform wireless communication through a second communication path that is different from the first communication path, the process capability information, a transmission target control target device between the first and second control target device to which connection information of the other control target device is to be transmitted out of connection information acquired from each of the first and second control target device through the first communication path, and a transmission control unit to cause the connection information of the other control target device to be transmitted to the transmission target control target device.
Apparatus, system and method for dual connectivity
An SeNB informs an MeNB that it can configure bearers for the given UE. At this time, the MeNB manages the DRB status, and then sends a key S-KeNB to the SeNB. The MeNB also sends a KSI for the S-KeNB to both of the UE and the SeNB. After this procedure, the MeNB informs an EPC (MME and S-GW) about the new bearer configured at the SeNB, such that the S-GW 50 can start offloading the bearer(s) to the SeNB 30. Prior to the offloading, the EPC network entity (MME or S-GW) performs verification that: 1) whether the request is coming from authenticated source (MeNB); and 2) whether the SeNB is a valid eNB to which the traffic can be offload.
Frequency band switching method and terminal
A frequency band switching method for a terminal includes: in response to determining that the terminal and a first access point (AP) transmit information by using a first frequency band, detecting a value of a channel quality parameter group, in response to determining that the value of the channel quality parameter group meets a preset condition, sending a connection request to a second AP, the connection request including a request for establishing a connection between the terminal and the second AP by using a second frequency band, and in response to determining that a success message fed back by the second AP according to the connection request is received, establishing, by the terminal, the connection with the second AP by using the second frequency band, and then sending a disconnection instruction to the first AP to break a connection between the terminal and the first AP.
Mobile communication system, node apparatus, and inter-network handover control method
A mobile communication system includes at least one mobile terminal that can access a circuit switched network and a wireless broadband network, and a node apparatus. The node apparatus integrates, into one physical node, a first gateway node interconnecting the circuit switched network and an IP network and a second gateway node interconnecting a core network accommodating the wireless broadband network and an external packet data network. When the mobile terminal performs handover from one of the circuit switched network and the wireless broadband network to the other network, one of the first gateway node and the second gateway node, being a handover-destination node, allocates call connection path node identification information managed by the other gateway note being a handover-source node, as new call connection path node identification information of the handover-destination node.
Radio communication system, radio station, radio terminal, communication control method, and computer-readable medium
A radio network (6) and a radio terminal (4) are configured to, when the radio terminal (4) is using a first cell (10) served by a first radio station (1) as a primary cell and a second cell (20) served by a second radio station (2) as a secondary cell, change the primary cell from the first cell (10) to a third cell (30) served by a third radio station (3) while keeping communication status information regarding the radio terminal (1) on the second cell (20). It is thus, for example, possible to enable a communication service in the secondary cell to be continued even after the primary cell is changed when the primary cell is changed during execution of carrier aggregation (e.g., Inter-eNB CA) on a plurality of cells served by different radio stations.
Methods and apparatus for integration of wireless wide area networks with wireless local area networks
Embodiments presented in this disclosure relate to methods and apparatuses (such as Access Points (AP's), evolved NodeB's (eNB's), etc.) for use in aggregation, or integration, between a Wireless Wide Area Network (WWAN) and a Wireless Local Area Network (WLAN). In one embodiment, an eNB decides that an aggregation between the WWAN and the WLAN is to be performed for at least one bearer of one or more bearers associated with a specific UE. Next, the eNB identifies which one(s) of the at least one bearer of the specific UE that is/are to be aggregated between the WWAN and the WLAN. Also, the eNB schedules each one of the at least one bearer identified to be aggregated between the WWAN and the WLAN.
Group transmissions in wireless local area networks
A method for MU MIMO channel sounding by a STA includes receiving, from an AP, sounding information including an indication of a first STA of a group of STAs to transmit feedback and training symbols. The method further includes receiving, from the AP, a frame addressed to the group of STAs, wherein the frame includes a PHY preamble including group identification information identifying the group of STAs. The group identification information enables another STA not in the group of STAs, that receives the frame, to set its network allocation vector (NAV) timer based on a duration field in the frame. On a condition the STA is a first STA in the order of the group of STAs, a first sounding response frame may be transmitted to the AP, wherein the first sounding response frame includes quantized sounding feedback determined from the received training symbols.
Analysis of connection patterns in a communication network
The present disclosure relates to a method performed by a network node (54) in a communication network (50) comprising a plurality of communication devices (51), for finding temporally connected connection patterns of the communication devices in the network. The method comprises identifying signalling between the communication devices during a predefined time duration to form a main communication graph in which the plurality of communication devices are nodes. The method also comprises partitioning the main communication graph for a time period comprised in said time duration to capture temporally connected signalling between some of the communication devices as illustrated in the main communication graph in a partitioned communication graph. The method also comprises forming at least one subgraph from the partitioned communication graph, comprising m nodes corresponding to m communication devices of said some of the communication devices. The method also comprises constructing a binary vector of the subgraph over the time period divided into a plurality of sampling periods corresponding to components in the vector such that, for each component in the vector, the component value is set to “1” if, in accordance with the subgraph, signalling occurs between at least two of the m communication devices during the sampling period corresponding to the element, and the component value is otherwise set to “0”. The method also comprises testing whether the signalling between the different m communication devices used for constructing the binary vector is temporally connected by checking that the number of consecutive “0” element(s), if any, between any two “1” elements is less than a predefined ΔT.
Method, mobile communications device, system and circuitry for estimating an occupancy level of a shared channel
A method determining indication of an occupancy level in a mobile communications system including a base station to communicate with a mobile communications device via a wireless interface provided by a first frequency channel allocated to mobile networks communications for the mobile communications system and by a shared channel which can be shared by the mobile communications system and by other wireless communications systems. The method includes: a mobile communications device: measuring, for each of plural first time periods within a second time period, a channel utilization on the shared channel; determining channel occupancy states for the shared channel for each of the first time periods based on the measured channel utilization; and determining an indication of an occupancy level for the shared channel for the second time period, the indication of an occupancy level determined based on the occupancy states for the shared channel for each first time period.
Wireless communications system management method and related apparatus
Embodiments of the present invention provide a wireless communications system management method and a related apparatus. A radio access network element management device may obtain a group identifier of a radio access network element, determine, according to a correspondence between a grouping rule and the group identifier, a group to which the radio access network element belongs, and use, based on a group, a processing policy corresponding to the group to which the radio access network element belongs, thereby performing service management by group.
Joint optimization of a radio access network and a distributed antenna system
Certain features relate to systems and methods for jointly optimizing a radio access network (RAN) and distributed antenna system (DAS). A joint RAN-DAS self-optimizing network (SON) entity can determine target parameters based on parameters specific to the DAS and parameters specific to the RAN. The joint RAN-DAS-SON entity can optimize the RAN and DAS using the target parameters. Jointly optimizing the RAN and the DAS can improve the capacity characteristics, coverage characteristics, or the performance characteristics of the RAN and DAS. In some aspects, the joint RAN-DAS-SON entity can optimize the RAN and DAS by re-allocating power levels of downlink signals transmitted by remote units of the DAS to compensate for underutilized carrier signals in situations of low traffic load.
Radio base station, user terminal, radio communication system and interference estimation method
A radio base station is disclosed that receives an uplink signal using a time division duplexing (TDD) scheme, including an estimation section that estimates an interference level that the uplink signal receives in a plurality of subframes of which a downlink/uplink configuration differs among cells and a transmission section that transmits information about the interference level. The information about the interference level comprises interference levels about the plurality of subframes.
Method and system for radar detection in shared spectrum
The present disclosure relates to a method and system in a wireless network for radar detection in certain bands e.g. bands normally used for unlicensed access. In one broad aspect, a method is provided for a network node configured to control wireless transmissions in a frequency band also used for radar transmissions. In that method, the network node controls the wireless transmissions using a transmission cycle pattern defined by a transmit on time and a transmit off time. The method includes after a wireless transmission during the transmit-on time of a first transmission cycle, detecting, during the transmit-off time of the first transmission cycle, at least one radar pulse in the frequency band and extending the transmit off time of a second transmission cycle based on the at least one radar pulse detected. Advantageously, in some implementations, extending the transmit off time when one or more radar pulses are detected provides more time to detect a larger number of pulses which as a result, may improve radar detection accuracy.
Short range wireless translation methods and systems for hands-free fare validation
A system and method in which the Bluetooth technology is used in conjunction with a user application on a mobile device to facilitate hands-free fare validation at a transit station. The user app communicates with a controller driver in a controller unit that interfaces with a compliant fare gate. Bluetooth beacons are used to determine a passenger's proximity to the gate and camera-like devices determine whether a passenger has entered a fare validation zone. A user with a valid and active electronic ticket on their mobile device may simply walk through the fare gate “hands free” without the need to search for a physical ticket or a smartcard or a mobile phone. This hassle-free approach significantly improves the user experience and passenger throughput through fare gates. The Bluetooth-based automated fare validation system also detects passengers with valid electronic tickets and those without a valid permit for travel.
Apparatus and method in wireless communication system
An apparatus and method in a wireless communication system. The apparatus includes circuitry configured to: generate configuration information about a user equipment including retransmission time related information and used for performing device-to-device communication, wherein the re-transmission time related information represents information related to retransmission times of signal transmission with a user equipment performing device-to-device communication; and to transmit the generated configuration information to the user equipment performing device-to-device communication. A signal in device-to-device communication can be ensured to be accurately and completely transmitted between various communication devices participating in the communication, and thus the transmission performance of information is improved.
Method and apparatus for provisioning mobile subscriber identification information to multiple devices and provisioning network elements
Aspects of the subject disclosure may include, for example, a system that manages utilization of mobile subscriber identity information including enabling use of such information by different communication devices. The use of a same generic mobile subscriber identity information by multiple devices can be based on intercepting registration requests. Other embodiments are disclosed.
Method for updating area in wireless communication system, and device therefor
A method for updating an area and a device for the same in a wireless communication system is disclosed. Particularly, a method for performing a Tracking Area Update (TAU) with a Mobility Management Entity (MME) change performed by a first MME in a wireless communication system may include receiving a Context Request message from a second MME during the TAU procedure and transmitting a Context Response message to the second MME in response to the Context Request message, wherein an indication that there are downlink data buffered in the S-GW may be included in the Context Response message when downlink data is buffered in a Serving Gateway (S-GW) and a buffering time of the downlink data in the S-GW is not expired.
Systems and methods for web-based communications consolidation
Systems and methods for providing online access to multiple mobile station international subscriber directory numbers (MSISDNs), or mobile numbers, with compatible internet-connected user equipment (UEs). The system can include a web portal through which users can send and receive voice calls, video calls, text messages, e-mails, and other communications via multiple authorized mobile numbers. The system can include a graphical user interface (GUI) to enable users to select a mobile number to place a call or send a text, for example, with the call or text appearing to be sent from the mobile number. The system can also route incoming calls and texts to both the UE associated with the mobile number and the web portal. Thus, an incoming call, for example, can ring on both the UE and a tablet or laptop computer substantially simultaneously.
Exchanging a recommendation of a set of D2D rat types for a proximity-based service and searching for a binary code that identifies a proximity-based service on at least one D2D rat type in accordance with a D2D rat sequence
In an embodiment, a ProSe server recommends D2D RAT type(s) to a publisher based on subscriber D2D RAT capability statistics that characterize D2D RAT type capabilities of subscribers that subscribe to a proximity-based service in a location region. In an example, the publisher may then advertise the proximity-based service on the recommended D2D RAT type(s). In another embodiment, the ProSe server recommends D2D RAT type(s) to a subscriber based on publisher D2D RAT capability statistics that characterize D2D RAT type(s) used by publishers to advertise a proximity-based service in a location region. In an example, the subscriber may then search for the proximity-based service on the recommended D2D RAT type(s) and/or on one or more other D2D RAT type(s). In another embodiment, a subscriber searches for a binary code identifying a proximity-based service in accordance with a D2D RAT sequence.
Coordinating the use of independent radio receivers associated with multiple different transmitters
A computer-implemented method includes discovering, by a client device, an available host computing device implementing a radio receiver, wherein the host computing device is discovered from a decentralized shared database and the radio receiver receives radio signals from multiple different transmitters; establishing, by the client device, a relationship with the host computing device based on discovering the host computing device from the decentralized shared database; receiving, by the client device, application data from the host computing device based on establishing the relationship, wherein the application data is associated with radio signals received by the radio receiver from the multiple different transmitters; and storing, outputting, or displaying, by the client device, the application data.
Disaster event management
Various embodiments disclosed herein provide for a disaster event management system that can track location of employees and other affected during disaster events and other emergency situations and determine their safety status. The disaster event management system can determine when an emergency event has occurred, and determine which employees are likely to be affected by the emergency, based on their location at the time and other directory information. The system can provide an interface on user equipment devices operated by the employees (mobile devices, laptops, computers, tablets, etc) to provide their status along with an identification code to verify their identification. In an embodiment, the system can prompt the user equipment devices to provide a status in response to determining that the employee may be affected by the emergency situation.
Control apparatus and communication terminal
A control apparatus that transmits a confirmation request to confirm whether a direct communication is possible to each terminal as a target of the direct communication. Each terminal confirms whether the direct communication is possible and transmits the confirmation result to the control apparatus. The control apparatus judges whether the direct communication is possible based on the confirmation result transmitted from the terminal and transmits a switch request for the direct communication to the terminal side. Therefore, a situation where a communication cannot actually be established when switching to the direct communication can be avoided.
Communication control device
A vehicular communication control device includes: a dedicated short range communication processor executing a direct vehicle-to-vehicle communication; a wide area communication processor executing an indirect vehicle-to-vehicle communication; a vehicle data generator, and a peripheral vehicle determination unit determining whether another vehicle is disposed within a predetermined area. The dedicated short range communication processor wirelessly transmits a communication packet including vehicle data in a dedicated short range transmission cycle. The wide area communication processor transmits the communication packet including the vehicle data to a peripheral vehicle in a wide range transmission cycle. The wide area communication processor: selects a first wide area transmission cycle longer than the dedicated short range transmission cycle when no other vehicle is disposed within the area; and selects a second wide area transmission cycle equal to or shorter than the dedicated short range transmission cycle when the other vehicle is disposed within the area.
Methods and systems of an on-board diagnostics pass-through dongle
In one aspect, a computerized method useful for implementing location awareness a vehicle coupled with an on-board diagnostics (OBD) pass-through dongle includes the step of providing a plurality of wireless personal area network (WPAN) beacons, wherein plurality of WPAN beacons transmits a low-energy WPAN signal. The computerized method includes the step of pre-mapping a plurality of subareas in the area with a set of signal attributes for each WPAN beacon of the plurality of WPAN beacons. The computerized method includes the step of coupling a vehicle with an OBD pass-through dongle, wherein the OBD pass-through dongle comprises a Low-Power Wide-Area Network (LPWAN) module, and wherein the OBD pass-through dongle comprises a WPAN module. The computerized method includes the step of, with the WPAN module, receiving one or more WPAN signals from the plurality of WPAN beacons.
Remotely controlling aspects of pools and spas
Systems and methods of (remotely) controlling aspects of pools and spas and of modifying water contained therein are detailed. Internet-enabled access to pool and spa controllers may happen without any need for users to create firewall ports or utilize static internet protocol addresses. Certain networking devices may be configured using a USB connection or SD card, avoiding any requirement for an Ethernet cable or supplying separate power to the devices during configuration. Other devices may be configured wirelessly, without need of any USB connection or SD card. Time-varying data may be obtained in respect of one or more installations and analyzed for various information.
Data usage recommendation generator
The method include receiving, by one or more computer processors, a request for data usage, the request for data usage being associated with a mobile device. The method further includes identifying, by one or more computer processors, a current data usage quantity, the current data usage quantity being associated with the mobile device. The method further includes determining, by one or more computer processors, whether the current data usage quantity is beyond a threshold data usage. The method further includes responsive to the data usage quantity being beyond the threshold data usage, receiving, by one or more computer processors, mobile device information associated with the mobile device. The method further includes analyzing, by one or more computer processors, the mobile device information. The method further includes determining, by one or more computer processors, access for the request based on the mobile device information and the current data usage quantity.
Video transmission and sharing over ultra-low bitrate wireless communication channel
Techniques for transmitting and sharing a video sequence over an ultra-low bandwidth channel, such as a short message service (SMS) channel, are disclosed herein. A video is segmented into regions of various interest levels. A set of parameters is developed from a video region of a high interest, wherein the parameters represent a mapping function of a database to model the video region. The set of parameters is transmitted over the ultra-low bandwidth channel to a remote device, wherein the remote device also has access to an instance of the database. The remote device synthesizes the video by using the mapping function of the database, which is represented by the transmitted set of parameters.
Apparatus and method for sending video content to a mobile device
An apparatus and method for sending video content to a mobile device is described. According to one embodiment, a computer-implemented method comprising embedding a widget in a website, the widget generating a form. The form is provided when a user visits the website so as to execute the widget. The form includes a first field to enter a recipient phone number, a send selector, and one or more non-visible fields, the non-visible fields containing a content service provider identifier, and a video URL. A data packet is generated with the widget when the user selects the send selector, the data packet including the recipient phone number, the video URL, and the content service provider identifier. An encoded version of the data packet is sent to the content service provider and a video link message is sent to the recipient phone number.
Radio terminal and network apparatus
A radio terminal according to an embodiment includes a controller configured to perform a discontinuous reception (DRX) operation for multimedia broadcast multicast service (MBMS) transmission. The controller performs the DRX operation by using an MBMS reception opportunity based on hyper system frame number (H-SFN).
Providing data file updates using multimedia broadcast multicast services
A method is provided for providing application data. The method includes a network node receiving at least one application identifier (App-ID) associated with at least a first user equipment (UE) and a second UE; the network node requesting to receive notifications of updates to application data associated with the at least one App-ID; the network node configuring a broadcast entity to transmit application data associated with the at least one App-ID; and the network node sending configuration data to the first and second UEs for receiving application data from the broadcast entity.
Transmission/reception method for MTC apparatus
The present specification discloses a transmission/reception method for a machine type communication (MTC) apparatus. The transmission/reception method for the MTC apparatus may comprise the steps of: receiving, by the MTC apparatus, setting information about a multicast-broadcast single-frequency network (MBSFN) subframe from a base station; receiving, by the MTC apparatus, downlink data for the MTC apparatus, on a data region of the MBSFN subframe; and receiving, by the MTC apparatus, a cell-specific reference signal (CRS) only on a portion of the resource blocks (RBs) in the whole system bandwidth of the data region in the MBSFN subframe. Here, the CRS received only on the portion of RBs may be transmitted while electric power is increased by means of the base station.
Sharing location information among devices
Methods, systems, apparatus, and computer program products that include, on a first device executing a first instance of a location application, receiving an indication to begin sharing data describing a path traveled by the first device, receiving location data describing the path traveled by the first device, the location data received from a location system of the first device, and the location data including a plurality of locations of the first device, and transmitting the location data in a form usable to enable a user interface of a second instance of a location application executing on a second device to indicate the path traveled by the first device.
Detecting handling of a device in a vehicle
Systems and methods are disclosed for determining whether or not an apparatus, such as a mobile device, is being handled or otherwise used within a vehicle. The apparatus may comprise an accelerometer configured to measure acceleration and a gyroscope configured to measure orientation. The apparatus may determine an axis of gravity of the apparatus based on acceleration measurements made by the accelerometer over a period of time. The apparatus may also determine a rotation vector of the apparatus based on orientation measurements made by the gyroscope. Using the axis of gravity of the apparatus and the rotation vector of the apparatus, the apparatus may determine a rate of rotation of the apparatus perpendicular to the axis of gravity. If the rate of rotation of the apparatus perpendicular to the axis of gravity exceeds a threshold, the apparatus may determine that it is being handled or otherwise used within the vehicle.
Mobile device inference and location prediction of a moving object of interest
A first set of data may be received indicating that an object of interest has been identified. A second set of data may be received indicating a first location of where the object of interest was identified. The first location may correspond to a geographical area. In response to the receiving of the first set of data and the second set of data, the first location may be associated with a first transceiver base station. In response to the associating, a first list of one or more mobile devices may be obtained that are within an active range of the first transceiver base station.
Device and method for monitoring proximity between two devices
A device and method for monitoring a first device proximity to a second device is disclosed. The first device is for example a smartphone and the second device is for example a wearable device. Proximity between both devices is monitored in conjunction with an electronic calendar so as to trigger an alert in case proximity between both devices is going to be lost while an event of the calendar is imminent.
Method and system for a real-time counting of a number of persons in a crowd by means of aggregated data of a telecommunication network
A method of estimating a number of persons gathering at an Area of Interest during a time interval on a day, wherein the Area of Interest is defined by an Area of Interest center and an Area of Interest radius and is covered by a mobile telecommunication network including plural communication stations each of which is configured to manage communications of user equipment in one or more served areas in a covered geographic region over which the mobile telecommunication network extends.
Systems, methods and apparatus for geofence networks
Systems, methods and devices for location-based services are disclosed in the present invention. A multiplicity of network devices, a database, and a server platform in network-based communication. The database stores a space-network model binding IP addresses and physical locations. The server platform is operable to generate at least one geofence in the space-network model and specify entitlements for the location-based services within the at least one geofence. The at least one geofence and specific entitlement are stored to the database. The multiplicity of network devices are configured to learn the space-network model and the at least one geofence and perform tasks based on the entitlements specified for the location-based services within the at least one geofence.
Method and apparatus for providing location information for a wireless communication device
Aspects of the subject disclosure may include, for example, a SIM card obtaining GPS location data, second location data and communication session measurement data; monitoring for a wireless network connection between a controller of a wireless device and a wireless network; and, responsive to a failure to detect the wireless network connection, providing the aggregated location data to a wireless communication circuit of the SIM card for wireless transmitting via an antenna of the SIM card to a wireless access point to cause the wireless access point to transmit the aggregated location data to a location server. Other embodiments are disclosed.
Audio speakers having upward firing drivers for reflected sound rendering
Embodiments are directed to upward-firing speakers that reflect sound off a ceiling to a listening location at a distance from a speaker. The reflected sound provides height cues to reproduce audio objects that have overhead audio components. A virtual height filter based on a directional hearing model is applied to the upward-firing driver signal to improve the perception of height for audio signals transmitted by the virtual height speaker to provide optimum reproduction of the overhead reflected sound. The upward firing driver is tilted at an inclination angle of approximately 20 degrees to the horizontal axis of the speaker and separate height and direct terminal connections are provided to interface to an adaptive audio rendering system.
Mechanism to output audio to trigger the natural instincts of a user
There is a need to enable a wireless device to output signals such that the natural instincts of the user may be triggered. The present disclosure provides a solution by enabling a wireless device to determine a time delay and intensity difference associated with an audio output at a subset output devices based at least in part on a perceived spatial placement of at least one signal, a position of the transmitting device, and/or a signal strength associated with the signal. Using the time delay and the intensity difference, the output devices farthest from the transmitting device may output the at least one signal using the time delay and the intensity difference such that the user may detecting differences in the sound wave's time of arrival and intensity at the left ear versus the right ear, and thus, perceive the location of the audio source.
Method and device for quickly determining location-dependent pulse responses in signal transmission from or into a spatial volume
A method and device for determining the location-dependent pulse responses in signal transmission from a transmitter in a transmission volume to a receiver in a reception volume, wherein either the transmitter or the receiver is a device fixed in a predetermined location and the other is a movable device includes: continuously emitting a band-limited signal by the transmitter; continuously capturing the signal and recording the signal with time indexing by the receiver; moving the movable device during the emission and capturing of the signal along a trajectory within the transmission or reception volume while continuously capturing the location coordinates of the movable device and recording the location coordinates with time indexing; and numerically solving a linear system of equations, the unknowns of which system of equations represent the pulse responses at discrete sampling points in the transmission or reception volume associated with the movable device.
Systems and methods for assembling an electro-acoustic transducer including a miniature voice coil
A tool for arranging voice coil leadouts in a microspeaker comprises a mandrel having a top surface on which a bobbin and voice coil are positioned during formation of helicoidal leadout regions of the voice coil, a bobbin alignment feature for positioning at an inner diameter of the bobbin; a sleeve alignment element at a bottom region of the bobbin alignment feature, the sleeve alignment element having a first surface on which a sleeve of the microspeaker is positioned during the formation of the helicoidal leadout regions, and a gluing ring positioned about the mandrel and on a second surface of the sleeve alignment element for providing guide paths for distal ends of the leadout end regions extending in a direction from the mandrel to the sleeve alignment element.
Audio test mode
An audio system receives an input signal and, if the input signal has a sparse representation in the frequency domain, comprising components at at least one frequency of interest, the input signal is filtered in at least one band pass filter, such that only components at the or each frequency of interest are passed to an output. The operation is able in some case to analyze the input signal to determine whether the input signal has a sparse representation in the frequency domain.
Method and device for filtering signals to match preferred speech levels
Described herein are methods and devices for mixing input signals from multiple audio input sources in a hearing device such as a hearing aid. In one embodiment, a gain is applied to a telecoil signal where the gain is computed so as to depend on the level of a microphone signal. The technique does not depend on the user's audiogram and allows control of the gain for all environments with one adjustment.
Hearing device comprising a beamformer filtering unit
A hearing aid comprises a) first and second microphones b) an adaptive beamformer filtering unit comprising, b1) a memory comprising a first and second sets of complex frequency dependent weighting parameters representing a first and second beam patterns, b3) an adaptive beamformer processing unit providing an adaptation parameter βopt(k) representing an adaptive beam pattern, b4) a memory comprising a fixed adaptation parameter βfix(k) representing a third, fixed beam pattern, b5) a mixing unit providing a resulting complex, frequency dependent adaptation parameter βmix(k) as a combination of said fixed and adaptively determined frequency dependent adaptation parameters βfix(k) and βopt(k), respectively, and b6) a resulting beamformer (Y) for providing a resulting beamformed signal YBF based on first and second microphone signals, said first and second sets of complex frequency dependent weighting parameters, and said resulting complex, frequency dependent adaptation parameter βmix(k).
A loudspeaker unit includes: a housing (100), a magnetic assembly (300) disposed in the housing (100), a diaphragm (220) disposed on the housing (100), a first voice coil (210a) connected to the diaphragm (220), and the magnetic assembly (300) is connected to the housing (100) by an elastic element (400). The magnetic assembly (300) vibrates along with the elastic element (300) with respect to the housing (100) when the elastic element (400) vibrates.
Loudspeaker diaphragm and loudspeaker including same
A loudspeaker diaphragm includes a cone having a curved surface from the outer to the inner periphery, and an annular edge of which inner peripheral part is bonded to the front side of the outer peripheral part of the cone. When seen from the front, the outer periphery of the cone is defined by smooth connection of three larger-diameter parts tangent to a first circle with a larger diameter, and three smaller-diameter parts each located between adjacent two of the three larger-diameter parts and tangent to a second circle with a smaller diameter. In the cone, a shape defined by connecting together points at the same position on the central axis is more circular as the points approach the inner periphery from the outer periphery. The inner periphery of the edge has a smaller radius than the second circle.
System and method for providing a shared audio experience
A system and method providing a shared audio experience that include receiving data associated with at least one audio stream and analyzing a sound wave associated with the at least one audio stream. The system and method also include determining a plurality of audio frequencies associated with the at least one audio stream based on the analysis of the sound wave. The system and method additionally include determining a plurality of audio elements associated with each of the plurality of audio frequencies associated with the at least one audio stream and determining at least one audio source to provide audio associated with each of the plurality of audio elements. The system and method further include controlling the at least one audio source to provide the audio associated with each of the plurality of audio elements.
Signature tuning filters
A method of providing audio information, said method comprising: (i) receiving audio filter settings in a client device; (ii) receiving audio data in the client device, wherein the received audio data is in an audio coding format; (iii) converting the audio filter settings to an audio filter signal in a processor of the client device, where the audio filter signal is a time-varying signal; (iv) converting the received audio data to an audio signal in a processor of the client device, where the audio signal is a time-varying signal; and (v) transmitting the converted audio filter signal and the converted audio signal from the client device to an audio output device, where the audio output device is separate from and in communication with the client device, and where the audio output device is configured for modifying the audio signal according to the audio filter signal to generate a time-varying audio output.
Coaxial centerbody point-source (CCPS) horn speaker system
The invention relates a horn-based multi-driver wide-bandwidth loudspeaker with a flat-frequency response having the property of controlled acoustic directivity at wavelengths larger than the nominal wavelength supported by the horns' mouth circumference which is provided by means of a centerbody fitted with acoustic drivers that are acoustically coupled to the walls of the horn enclosure.
System and method for alerting a user of preference-based external sounds when listening to audio through headphones
A computer-program product embodied in a non-transitory computer readable medium that is programmed to communicate with a listener of headphones is provided. The computer-program product includes instructions to receive ambient noise indicative of external noise to a listener's headphone and to extract a speech component from the ambient noise. The computer-program product further includes instructions to derive an intent from the speech component of the ambient noise and compare the intent to at least one user defined preference. The computer-program product further including instructions to transmit an alert to notify a listener that the intent of the speech component matches the at least one user defined preference.
Mounting assembly for use in mobile terminal and mobile terminal using the same
Disclosed is a mounting assembly for use in a mobile terminal. The mobile terminal includes a main frame on which a motherboard is mounted. The mounting assembly includes a rack for mounting thereon at least one of a speaker or a vibrator, and the rack is detachably connectable to the main frame. By means of the mounting assembly, the speaker or the vibrator is not directly mounted on the motherboard of the mobile terminal.
Optical network management apparatus and method of allocating optical frequency band
It is difficult to improve the usage efficiency of an optical communication network due to the passband narrowing effect in a wavelength selection process in an optical communication network using a wavelength division multiplexing system; therefore, an optical network management apparatus according to an exemplary aspect of the present invention includes wavelength selection information generating means for generating wavelength selection information on a wavelength selection process through which an optical path accommodating an information signal goes, with respect to each optical path; and wavelength selection information notifying means for notifying an optical node device through which the optical path goes of the wavelength selection information.
Device for industry-specific content streaming
A device for industry-specific content streaming includes a network interface, a display, a memory, and at least one processor coupled to the network interface and the memory. The at least one processor is configured to transmit a request for a digital content item to a remote server, wherein the digital content item is classified according to a specific classification code, receive a manifest file associated with the digital content item, wherein the manifest file includes a location for at least one segment file associated with the digital content item, determine using the manifest file a location on the remote server of a segment file, transmit to the remote server a request for the segment file stored on the remote server, receive the segment file in response to the request for the segment file, and present contents of the segment file on the display of the electronic device.
Detection of common media segments
Provided are systems, methods, and computer-program products for identifying a media content stream when the media content stream is playing an unscheduled media segment. A computing device may receive a plurality of media content streams, where at least two of the plurality of media content streams concurrently includes a same unscheduled media segment. The computing device may determine that the media display device is playing the unscheduled media segment by examining the media content available at the current time in each of the plurality of media content streams. The computing device may determine identification information from the media content included in the media content stream. The computing device may determine contextually-related content, which may be disabled while the unscheduled media segment is being played by the media display device. The computing device may display the media content stream and the contextually-related content after the unscheduled media segment has been played.
Method for content projection and mobile terminal
A method for content projection and a mobile terminal are provided. The method includes that a mobile terminal runs a local playing service, a content projection control service and at least two protocol projection control services. A first projection instruction is acquired through the content projection control service, a first content played by the local playing service is intercepted, and the intercepted first content is transmitted to first protocol projection control service. The first content is transmitted to a first projection service through the first protocol projection control service by virtue of a first projection protocol.
Method for synchronizing GOPs and IDR-frames on multiple encoders without communication
A video distribution system synchronizes video output streams on multiple encoders without communication therebetween. Each of the encoders is configured to decode a source video content stream into a sequence of uncompressed frames, where each frame in the sequence is marked with an associated presentation time stamp (PTS) clock value. The encoders calculate a number of clock cycles between instantaneous decoder refresh (IDR)-frames. For each frame in the sequence, the encoders calculate a remainder after a division of an associated PTS clock value of a given frame by the number of clock cycles between IDR-frames. The encoders mark each frame in the sequence as an IDR-frame where the corresponding remainder is strictly less than the number of PTS clock cycles per frame and mark a remainder of the frames in the sequence as an internal frame within a group of pictures (GOP) to produce a marked set of video frames. The encoders pass the marked set video frames through a video codec to produce the synchronized video output streams.
Bi-directional optical flow for video coding
An example device for decoding video data includes a processor configured to decode first and second reference pictures, wherein the first reference picture and the second reference picture are either both to be displayed before or after the current picture, determine a first motion vector (MV0) from a current block of the current picture to a first reference block of the first reference picture, determine a second motion vector (MV1) from the current block to a second reference block of the second reference picture, determine a first temporal distance (TD0) from the current picture to the first reference picture, determine a second temporal distance (TD1) from the current picture to the second reference picture, and decode the current block according to bi-directional optical flow (BIO) using MV0, MV1, TD0, and TD1.
Method for color mapping a video signal based on color mapping data and method of encoding a video signal and color mapping data and corresponding devices
A method of color mapping a video signal represented in a first color volume from color mapping data to be applied on a video signal represented in a second color volume is disclosed. The method comprises: color mapping (14) said video signal represented in a first color volume from said first color volume into said second color volume in the case where said first and second color volumes are different; and color mapping (16) said color mapped video signal based on said color mapping data.
Methods for rate control in an MB (macroblock) layer and apparatuses using the same
The invention introduces a method for rate control in an MB (macroblock) layer, including: calculating a prediction MAD (Mean Absolute Difference) of a current MB of a current frame according to a real MAD of a previous MB of a previous frame; calculating a real MAD of the current MB of the current frame; performing an adjustment procedure to adjust the prediction MAD of the current MB of the current frame according to the real MAD of the current MB of the current frame to obtain a final MAD of the current MB of the current frame; calculating a quantization parameter of the current MB of the current frame according to the final MAD of the current MB of the current frame; and outputting the quantization parameter of the current MB of the current frame to a quantizer.
Coefficient coding harmonization in HEVC
Coefficient coding for transform units (TUs) during high efficiency video coding (HEVC), and similar standards, toward simplifying design while enhancing efficiency. Elements of the invention include coefficient coding for TUs with up-right diagonal scans being modified, and selectively applying multi-level significance map coding.
Method of video coding using binary tree block partitioning
A method of video coding using block partitioning process including a binary tree partitioning process is disclosed. The block partitioning process is applied to a block of video data to partition the block into final sub-blocks. Coding process comprising prediction process, transform process or both for the block will be applied at the final sub-blocks level. The binary tree partitioning process can be applied to a given block when an associated indicator has a first value. In another embodiment, the quadtree partitioning process is applied to a block first. The quadtree leaf nodes are further partitioned using one or more stages of binary tree partitioning process. The quadtree partitioning process can be applied to a given block recursively to generate quadtree leaf nodes until a termination condition is met.
Method and apparatus of deriving intra prediction mode using most probable mode group
An image encoding apparatus is presented. A differential quantization parameter is generated by subtracting a quantization parameter predictor from a quantization parameter, and is entropy-coded. If two or more quantization parameters are available among a left quantization parameter, an above quantization parameter and a previous quantization parameter of a current coding unit, the quantization parameter predictor is generated using two available quantization parameters determined according a predetermined order, and if only one quantization parameter is available, the available quantization parameter is set as the quantization parameter predictor. A transform type for inversely transforming the residual signals is selected among a discrete cosine transform (DCT)-based integer transform and a discrete sign transform (DST)-based integer transform based on a prediction mode and a size of a transform unit.
Moving picture decoding method for decoding a current block in a temporal direct mode
A moving picture coding apparatus includes a motion compensation coding unit for deciding a coding mode for coding a current block to be coded and for generating predictive image data based on the coding mode, and includes a direct mode enable/disable judgment unit for judging whether or not scaling processing can be performed when the coding mode decided by the motion compensation coding unit is a temporal direct mode. When it is judged that the scaling processing cannot be performed, the motion compensation coding unit performs motion compensation either by using another coding mode or without the scaling processing.
Calibration device, calibration method, and program for projection display device, projection display device, and projection display system
After calibration of the projector, the control circuit obtains a first position-data indicating the position of a feature point in the screen and a second position-data indicating the position of a feature point in a test image projected onto the screen. After acquisition of the first position-data and the second position-data, the control circuit obtains a third position-data indicating the position of a feature point in the screen and a fourth position-data indicating the position of a feature point in the test image projected onto the screen. Based on a difference between the first position-data and the third position-data, the control circuit corrects the position of a feature point in the test image contained in the fourth position-data to create a fifth position-data. Based on a difference between the second position-data and the fifth position-data, the control circuit recalibrates the projector.
Imaging device and camera system
An imaging device includes: a pixel array including first and second pixels, each pixel including a photoelectric converter converting light into charge and a detection circuit detecting the charge; a first voltage supply circuit supplying a first voltage to the first pixel such that an electric potential of the first electrode is set to a first electric potential at a point of time at which a charge accumulation period for the first pixel starts; a second voltage supply circuit supplying a second voltage to the second pixel such that an electric potential of the first electrode of the second pixel is set to a second electric potential different from the first electric potential at a point of time at which a charge accumulation period for the second pixel starts; and an addition circuit adding together signals generated in the first and second pixels.
Video camera and sensor integration
Video camera and sensor integration, in which an event is detected at a property based on sensor data and, based on the detected event, multiple cameras are controlled to operate in a tracking mode. One or more moving objects are detected in images captured by the cameras and metadata related to capture of the one or more moving objects is determined. Tracking operations of the cameras is coordinated based on the metadata.
Systems, methods, and devices for managing coexistence of multiple transceiver devices by optimizing component layout
The various implementations disclosed herein include a camera assembly configured for communication over multiple communication protocols. The camera assembly includes: (1) an enclosed housing; (2) a lens module positioned within the enclosed housing and configured to receive light; (3) circuit board(s) positioned within the enclosed housing; (4) communication circuitry coupled to the circuit board(s) and configured to wirelessly communicate over a plurality of different communication protocols, the communication circuitry including one or more transceivers configured for communication over a first communication protocol and a second communication protocol; (5) a first antenna arranged at a first location on the circuit board(s), the first antenna configured for communication over the first communication protocol; and (6) a second antenna arranged at a second location on the circuit board(s), the second antenna configured for communication over the second communication protocol.
Information processing apparatus, information processing method, and program
To provide an information processing apparatus, an information processing method, and a program capable of producing the distance to a communication partner by using a three-dimensional expression to connect spaces, and realizing more comfortable communication.An information processing apparatus including: a reception unit configured to receive data from a communication destination; a generation unit configured to generate space image information in which an image corresponding to a space of the communication destination is disposed at a predetermined position in a three-dimensional space; and a display control unit configured to perform control such that the generated space image information is displayed on a display unit in a communication source.
Non-closed caption data transport in standard caption service
Methods, apparatuses, and non-transitory computer-readable storage mediums for providing and/or processing non-closed caption data. The reception apparatus includes a receiver, a parser, and a processor. The receiver receives closed caption service data. The closed caption service data includes closed caption data within a first service block having a service number in the range of 1-6, and non-closed caption data within a second service block having a different service number in the range of 1-6. The closed caption data includes closed caption text. The parser parses the non-closed caption data within the second service block having the different service number in the range of 1-6. The processor performs a function based on the parsed non-closed caption data.
Image capturing apparatus operable to store captured image data in image memory, method of controlling same, and storage medium
An image capturing apparatus comprises: an image sensor configured to output image data captured at any of two or more sensitivities; and a memory storing instructions which cause the apparatus to function as: a control unit configured to control a compression rate for compressing the outputted image data; a compression unit configured to compress the outputted image data at the compression rate; a decompression unit configured to decompress the compressed image data; and an application unit configured to apply a gain amount to the decompressed image data based on the two or more sensitivities, wherein the control unit controls the compression rate so that a compression rate in a case where a first gain amount is applied to is less than a compression rate in a case where a second gain amount is applied to.
Systems and methods to position and play content
Systems and methods to position and play content. The system renders a first content segment to an output device at an accelerated speed for the first content segment. Next, the system receives a request to play the first content segment from the beginning of the first content segment at a normal speed for the first content segment. Next, the system automatically positions to the beginning of the first content segment based on position information that is associated with the first content segment. Finally, the system renders the first content segment to the output device from the beginning of the first content segment at a normal speed for the first content segment.
System and method for managing streaming services
A gateway for location at a user premises is provided. Bother users and user devices are registered with the gateway which is provided by a service provider. Users access services, such as video streaming, on their user devices via the gateway. The gateway allows users to share content. The gateway collects information about the user's patterns of behavior for the system provider, and can be used to directly obtain feedback from the users.
Video display apparatus and terminal apparatus
The present invention provides user-friendly video display apparatus and terminal apparatus. In the present invention, a terminal apparatus having a function of remotely controlling a video display apparatus includes a communication unit that transmits a command related to setting of the video display apparatus and receives status information, a signal receiving unit that receives a signal output from a broadcast station and decodes a video content, a memory unit that stores a content of a command including a channel of the video content, and a display unit that displays the video content and various types of information. In this terminal apparatus, the communication unit transmits an identification code specific to the terminal apparatus when transmitting the command, and when the status information is received after a channel of the video display apparatus is set by remote control, the video content of the channel stored in the memory unit is decoded by the signal receiving unit and is displayed on the display unit.
Personalizing the learning home multi-device controller
Techniques for providing instruction to devices in the network are provided. For example, based at least in part on the list of currently active devices and the command, a controller can determine a sequence of IR signals associated with at least one currently active device and transmit, utilizing an IR transmitter incorporated with the controller, the sequence of IR signals to one or more of the currently active devices. In another example, an audio command and location information can be received and used to determine where a controller should transmit an IR signal that corresponds with the audio command, based at least in part on the location information.
Two stage amplifier readout circuit in pixel level hybrid bond image sensors
A hybrid bonded image sensor has a photodiode die with macrocells having at least one photodiode and a bond contact; a supporting circuitry die with multiple supercells, each supercell having at least one macrocell unit having a bond contact coupled to the bond contact of a macrocell of the photodiode die. Each macrocell unit lies within a supercell and has a reset transistor adapted to reset photodiodes of the macrocell of the photodiode die. Each supercell has at least one common source amplifier adapted to receive signal from the bond contact of a selected macrocell unit of the supercell, the common source amplifier coupled to drive a column line through a selectable source follower. In embodiments, the common source amplifiers of several supercells drive the selectable source follower through a distributed differential amplifier.
Methods and apparatus for a track and hold amplifier
Various embodiments of the present technology may comprise methods and apparatus for a track-and-hold amplifier configured to sample and amplify an analog signal. Methods and apparatus for a track-and-hold amplifier according to various aspects of the present invention may comprise an isolation circuit configured to isolate transient current in a track-and-hold capacitor during a track phase. According to various embodiments, selective activation of the isolation circuit provides a settling time that is independent of the gain of the amplifier.
Solid-state imaging device and imaging apparatus
An imaging device includes a pixel region in which light sensing pixels are grouped into pixel-units that each include multiple pixels, each column including pixels from at least two of the pixel-units. Each of the pixel-units is connected, via a corresponding readout line, to a corresponding readout unit configured to perform analog-to-digital conversion on pixel signals output thereto. A scanning unit that extends in a column direction is configured to select pixels for readout by applying row scanning pulses to scan lines connected to rows. A scanning unit that extends in a row direction for applying readout-enabling scan pulses to lines connected to columns is omitted. Those pixels that are selected for readout by one of the row scanning pulses are read out independently of any enabling pulses applied to lines connected to columns.
Image sensor and electronic apparatus including multiple substrates
The present technology relates to an image sensor and an electronic apparatus which can make the image sensor a smaller without degrading performance of the image sensor. The image sensor includes a pixel array unit in which pixels including photoelectric conversion elements are arranged in a two dimensional manner, a row circuit configured to control row scanning of the pixel array unit, and a column processing unit configured to convert an analog signal read out from the pixel array unit into a digital signal. The pixel array unit is disposed on a first-layer substrate, and the row circuit and the column processing unit are disposed on different substrates which are underlying layers of the first-layer substrate and which are laminated on the first-layer substrate. The present technology is applicable to the image sensor.
Image sensing device capable of sensing images and temperatures
An image sensing device including a plurality of pixel circuits arranged in an array and configured to sense images and temperatures is provided. Each of the pixel circuits includes a photo sensing device, a transmission gate transistor, a reset transistor and an output stage circuit. The first end of the transmission gate transistor is coupled to the first end of the photo sensing device. The second end of the photo sensing device is coupled to a first voltage or a second voltage. The first end of the reset transistor is coupled to a first power, a first current bias or a second current bias. The second end of the reset transistor is coupled to the second end of the transmission gate transistor. The input end of the output stage circuit is coupled to the second end of the reset transistor. The output end of the output stage circuit outputs a temperature sensing signal or an image sensing signal.
Image processing device and noise reduction system having the same
An image processing device includes a bad pixel masking unit and a noise reduction unit. The bad pixel masking unit detects bad pixels in a plurality of blocks and masks the determined bad pixels. The noise reduction unit removes noise from the pixels in the plurality of blocks excluding the masked pixels using a pattern matching method and corrects bad pixels by obtained an average pixel value.
Imaging device including photoelectric conversion layer
An imaging device including: unit pixel cells each including a first electrode, a second electrode, a photoelectric conversion layer, a charge accumulation region connected to the first electrode, and a signal detection circuit connected to the charge accumulation region; and a voltage supply circuit connected to the second electrode, the voltage supply circuit supplying a first voltage to the second electrode in a first period, the voltage supply circuit supplying a second voltage that is different from the first voltage to the second electrode in a second period. Each unit pixel cells includes a reset transistor which switches between supply and cutoff of a reset voltage initializing the charge accumulation region, and a potential difference between the first electrode and the second electrode when the reset voltage is supplied is greater than a potential difference between the first electrode and the second electrode after the reset voltage is cut off.
Image sensor, method of reading control, and electronic device
The present technology relates to an image sensor capable of improving a reading speed of signals of a plurality of same-color pixels that shares floating diffusion (FD), a method of reading control, and an electronic device. After resetting the FD, the image sensor transfers to the FD an electric charge of a first pixel. The image sensor then transfers an electric charge of a second pixel to the FD. In addition, the image sensor performs A/D conversion of a signal level of the first pixel by an A/D converter in accordance with a clock signal of a first frequency, and performs A/D conversion of a signal level of the second pixel by the A/D converter in accordance with a clock signal of a second frequency obtained by dividing the first frequency by a predetermined division ratio. The present technology is applicable to CMOS image sensors.
Use of wireless connection loss to facilitate identifying and recording video capture location
A method and system to facilitate identifying and recording capture location of recorded video. A computing system determines multiple locations where a first wireless communication module and second wireless communication module have lost wireless connectivity with each other, as possible locations where a video camera may be used to capture video. The computing system then outputs, for presentation to the videographer or another user, a location-selection prompt that specifies the multiple determined locations as candidate capture-locations for a video that was captured by the video camera. Further, the computing system receives, in response to the location-selection prompt, data that represents a user selection of one of the specified locations. The computing system then records the selected location as capture-location metadata for the video, such as capture-location data integrated with the video or in a database relationship with the video.
Optical observation device
An optical observation device for observing a target located at a distant observation sight that comprises an observation telescope and an infrared sighting device. The infrared sighting device eventually provides a visual target image as a sighting marker from a thermal infrared image of the observation sight. The sighting marker and the observation sight are simultaneously viewed in the field of view of the observation telescope so as to enable training of the observation telescope on a part of the observation sight where the target is located.
Imaging processing method and electronic device supporting the same
An electronic device and a method thereof are provided for processing stored images to reconstruct a high-resolution image. The electronic device includes an image sensor configured to acquire an image through a plurality of pixels including a first pixel set and a second pixel set; and a processor configured to acquire at least one first image through the first pixel set; acquire at least one second image through the second pixel set; and generate at least one third image according to a selected mode for generating the at least one third image, by using the at least one first image and the at least one second image.
System and method for creating and manipulating synthetic environments
Disclosed herein are systems, computer-implemented methods, and tangible computer-readable media for synthesizing a virtual window. The method includes receiving an environment feed, selecting video elements of the environment feed, displaying the selected video elements on a virtual window in a window casing, selecting non-video elements of the environment feed, and outputting the selected non-video elements coordinated with the displayed video elements. Environment feeds can include synthetic and natural elements. The method can further toggle the virtual window between displaying the selected elements and being transparent. The method can track user motion and adapt the displayed selected elements on the virtual window based on the tracked user motion. The method can further detect a user in close proximity to the virtual window, receive an interaction from the detected user, and adapt the displayed selected elements on the virtual window based on the received interaction.
Apparatuses and methods for optical calibration
An apparatus for optical calibration includes a calibration target simulating a combustion. The calibration target further includes a first light-emitting pattern and a first light-emitting mechanism effecting the first light-emitting pattern. The apparatus includes two optical cameras aiming at the calibration target, wherein each optical camera has an observation axis and there is an angle between the two observation axes.
Low complexity auto-exposure control for computer vision and imaging systems
Methods, apparatuses, computer-readable medium, and systems are disclosed for performing automatic exposure control (AEC). In one embodiment, a first digital image is captured while applying a first set of values to one or more exposure control parameters. At least one computer vision (CV) operation is performed using image data from the first digital image, thereby generating a first set of CV features from a set of possible CV features. A mask is obtained comprising a value for each feature of the set of possible CV features. Using the mask, a first measure of abundance is obtained of relevant CV features among the first set of CV features extracted from the first digital image. Based on the first measure of abundance of relevant CV features, an updated set of values is generated for applying to the one or more exposure control parameters for capturing a subsequent digital image of the scene.
Imaging device provided with high dynamic range rendering function
An imaging device performs imaging using an imaging element. The imaging device is provided with an imaging unit, a control unit and a synthesis unit. The imaging unit performs exposure with a predetermined exposure time, thereby performing image capture. The control unit successively performs an imaging process N-times. In each imaging process, a plurality of images are captured with different exposure times. The synthesis unit generates, using HDR rendering, a plurality of images acquired by the plurality of image captures. The control unit performs one of the plurality of image captures such that the exposure is completed at a corresponding synchronous timing, and performs a subsequent other image capture such that exposure is started at the synchronous timing.
Method, transmission unit, system and computer program for wireless communication between a camera and at least one remote flash device
The present invention generally relates to the field of communication between electronic devices used for photography. In particular, the invention relates to a method, transmission unit, system and computer program for wireless communication between a camera and at least one remote flash device, such as photoflash units and related equipment. More in particular, the invention provides a way of controlling a plurality of flash devices from an intermediate radio transmission unit mountable on the camera, and utilized a delay a sequence flash control sequence so as to synchronize the function of the camera and the remote flash devices during image acquisition. Further the invention provides a way of controlling in the photoflash units settings for the main flash, wherein the setting are the last settings determined by the camera when the intermediate radio transmission unit was in a TTL-mode.
Terminal and controlling method thereof
Disclosed are a terminal and controlling method thereof. The present invention includes enabling an AoC (always on camera) mode for maintaining a state for a camera to capture an image, obtaining a shot input of capturing the image in the enabled AoC mode, and controlling the camera to capture the image instantly.
Capture and use of building interior data from mobile devices
Techniques are described for automated operations involving capturing and analyzing information from an interior of a house, building or other structure, for use in generating and providing a representation of that interior. Such techniques may include using a user's mobile device to capture visual data from multiple viewing locations (e.g., video captured while the mobile device is rotated for some or all of a full 360 degree rotation at each viewing location) within multiple rooms, capturing data linking the multiple viewing locations, analyzing each viewing location's visual data to create a panorama image from that viewing location, analyzing the linking data to determine relative positions/directions between at least some viewing locations, creating inter-panorama links in the panoramas to each of one or more other panoramas based on such determined positions/directions, and providing information to display multiple linked panorama images to represent the interior.
Image processing apparatus and image processing method
An apparatus has first and second generation units which generate, from input image data, color component data for luminance output and color component for color difference output, first and second convertors which converts tones of each piece of the color component data for luminance output and for color difference output, a combining unit combining each piece of the color component data obtained by the first and second convertors to generate respective pieces of combined color component data; a separation unit respectively separating luminance data and color difference data from the combined color component data; and a correction unit correcting a tone of each of the luminance data and color difference data. The second convertor has a characteristic for outputting a non-negative value in a range, of negative infinity to a positive threshold set in advance.
Sensor control method executed by air-conditioning apparatus
A sensor control method that is executed by an air-conditioning apparatus includes: acquiring a first thermal image by scanning an air-conditioned space using the infrared sensor in accordance with a first scanning scheme, the air-conditioning apparatus being placed in the air-conditioned space; extracting a subject thermal image from the first thermal image, based on a difference between a background thermal image of the air-conditioned space when no subject is present therein and the first thermal image; determining a second scanning scheme different from the first scanning scheme, when the subject thermal image has a size smaller than a threshold size; and acquiring a second thermal image by scanning an area corresponding to the subject thermal image of the air-conditioned space using the infrared sensor in accordance with the determined second scanning scheme.
Imaging device and imaging method using compressed sensing
In an imaging device, a difference calculation unit calculates a differential signal between charge signals that have been accumulated and are held by first and charge holding units with different timings. A multiple sampling unit performs multiple sampling processing on the differential signal, and an analog digital conversion unit converts a signal that has undergone multiple sampling processing to a digital signal. That is, multiple sampling processing is performed on a differential signal with a higher sparsity than that of an image signal.
An imaging apparatus includes: an image comparing unit that compares a shot image shot by a photographer with a sample image selected by the photographer; an operation comparing unit that compares an operation performed when the shot image was shot with an operation performed when the sample image was shot; and an advising unit that gives the photographer advice on an image shooting method to make the shot image close to the sample image according to comparison results provided by the image comparing unit and the operation comparing unit.
Methods apparatuses, and storage mediums for adjusting camera shooting angle
A method, an apparatus, and a storage medium are provided for adjusting camera shooting angle. The method includes: determining a position of a human body in a shooting range of a camera; adjusting a shooting angle of the camera based on the position of the human body, such that an image of the human body is located at the center of a video picture shot by the camera; determining a position of a human face in the video picture shot by the camera; and fine-adjusting the shooting angle of the camera based on the position of the human face, such that an image of the human face is located at the center of the video picture shot by the camera.
Imaging device having autofocus capability
Herein disclosed is an imaging device having an imaging optical system, the device including: an imaging element configured to include a plurality of first pixels and a plurality of second pixels arranged along a predetermined direction; a first processor configured to execute focal detection processing by a phase difference detection system based on charge signals obtained from the plurality of second pixels; and a second processor configured to execute specific processing based on charge signals obtained from the plurality of first pixels, the specific processing being different from the focal detection processing by a phase difference detection system and being necessary for a function of the imaging device.
Focus detection apparatus and focus detection method
A focus detection apparatus includes an imaging element includes that a plurality of focus detection pixels, a correction value calculation unit that calculates a correction value used to correct pixel signals based on an optical state before the imaging element performs imaging for still image capturing or imaging for focus detection, a correction unit that performs correction using the correction value simultaneously with reading the pixel signals from the focus detection pixels subsequent to the imaging for the still image capturing or the imaging for the focus detection by the imaging element, and a focus detection unit that performs focus detection based on the corrected pixel signals.
Camera registering apparatus and method
Provided is a camera registering apparatus including: a power over Ethernet (PoE) port configured to receive a first camera registration request from a first camera forming a first network; a network port configured to receive a second camera registration request from a second camera forming a second network different from the first network; and a processor configured to, when an allocable channel exists, register the first camera or the second camera in the allocable channel according to an order of receiving the first camera registration request and the second camera registration request.
Motion capture system
Systems and methods for motion capture are disclosed. In one arrangement a plurality of cameras are provided and a processing unit is configured to perform processing using image data from each of the plurality of cameras. Each of the cameras comprises an accelerometer and the processing unit is configured to perform processing that is dependent on an output from the accelerometers. In another arrangement each of the cameras comprises a temperature sensor and the processing unit is configured to perform processing that is dependent on an output from the temperature sensors.
Imaging device and imaging method
An imaging device and an imaging method are provided. An incident beam is separated into a first spectroscopic beam and a second spectroscopic beam by a spectroscopic unit and the first spectroscopic beam and the second spectroscopic beam are respectively incident on a first imaging module and a second imaging module. One of a phase detection autofocus (PDAF) mode and a contrast detection autofocus (CDAF) mode of the first imaging module is activated based on a brightness of an ambient light source. The first imaging module and the second imaging module are activated to shoot at a partially overlapping field of view (FOV) to obtain a first image and a second image. The first image and the second image are superimposed to obtain a composite image.
Smart case for mobile photography
A mobile device case is configured to facilitate coupling of an auxiliary lens assembly along an optical path of a miniature camera module of a mobile device. A case processor and electrical circuitry embedded within the case are configured to detect the presence of the auxiliary lens assembly that is coupled to the lens attachment interface. A lens recognition sensor is coupled to the case processor and electrical circuitry and is configured to identify the auxiliary lens with a specific lens type.
Camera module with stacked lens structure and electronic apparatus
The present technique relates to a camera module and an electronic apparatus that allow a camera module to be used for various purposes. The camera module includes a first pixel array in which pixels that receive light having an R, G, or B wavelength are two-dimensionally arranged in a matrix form and a second pixel array in which pixels that receive light having a wavelength region of visible light are two-dimensionally arranged in a matrix form and a first optical unit that converges incident light onto the first pixel array and a second optical unit that converges the incident light onto the second pixel array. The present technique can be for example applied to a camera module and the like.
User feedback for real-time checking and improving quality of scanned image
A smartphone may be freely moved in three dimensions as it captures a stream of images of an object. Multiple image frames may be captured in different orientations and distances from the object and combined into a composite image representing an image of the object. The image frames may be formed into the composite image based on representing features of each image frame as a set of points in a three dimensional point cloud. Inconsistencies between the image frames may be adjusted when projecting respective points in the point cloud into the composite image. Quality of the image frames may be improved by processing the image frames to correct errors. Reflections and shadows may be detected and removed. Further, optical character recognition may be applied. As the scan progresses, a direction for capturing subsequent image frames is provided to a user as a real-time feedback.
Electronic devices, storage medium containing instructions, and methods pertain to cancelling noise that results from application of voltages on gates of transistors in a display. One or more compensation or dummy drivers are used to apply a compensation voltage that is an inversion of voltages applied on the gates of the transistors.
Image processing apparatus, method, and storage medium using color-adjusted image data
An image processing apparatus includes an adjustment unit, an acquisition unit, and a forming unit. The adjustment unit is configured to adjust an output value corresponding to an input value including a predetermined value in a first lookup table storing the output value corresponding to the input value. The acquisition unit is configured to acquire a second lookup table by adjusting the first lookup table through adjustment of the output value by the adjustment unit. The forming unit is configured to form an image using color-adjusted image data generated by performing color adjustment on image data to be processed using a color conversion table generated based on the second lookup table acquired by the acquisition unit.
Color correction table creation method, color correction table creation apparatus, and non-transitory computer readable medium for storing program
A color correction table creation method for creating a color correction table for correcting a device-dependent value used as printing data to be input to a printing apparatus, including an output value acquisition step of acquiring, as an output value, a colorimetric result for a printed matter created by inputting a specific device-dependent value to the printing apparatus, an input value acquisition step of acquiring, as an input value for the color correction, a device-dependent value for a printed matter created by a reference printing apparatus to achieve the output value acquired, a correction value acquisition step of acquiring the specific device-dependent value as a correction value corresponding to the input value, and a creation step of creating the color correction table utilizing a relationship between the input value and the correction value.
Chip and supply item for imaging device, including communication
A supply item has toner for use in an imaging device. A chip has memory storing quanta indicating allowed usage of the supply item over its lifetime and a multiplier correlating the quanta to toner mass. The imaging device requires quanta to conduct imaging operations and loads the quanta and multiplier by way of a certificate stored in the memory. The imaging device retrieves quanta from the chip over time and both devices keep tally. Initialization between the supply item and imaging device includes providing encrypted and unencrypted instances of firmware versions and certificates from the supply item that the imaging device can compare for security. Alternatively, the supply item defines a fuser assembly, imaging unit, intermediate transfer member, or other component installed for use in the imaging device.
Signal processing apparatus, image processing apparatus, and signal processing method
Provided is a signal processing apparatus that enables an image reading apparatus to perform higher speed processing of reading a document image. A signal processing unit is configured to convert six analog image signals obtained from a line sensor into six first signals, each of which is a 10-bit digital image signal, respectively, and to write the six first signals into a RAM at a first speed that is the same as a frequency of the analog image signals. The signal processing unit is configured to cause a serialization unit to read out from the RAM the six first signals as four second signals, each of which is a 10-bit digital image signal, at a second speed higher than the first speed, respectively, and to serialize the four second signals to generate six 7-bit serial signals.
A mediation server may receive image data from a scanner via a network, the image data being generated by the scanner scanning each of M pieces of manuscripts sequentially, analyze the image data so as to specify separation image data which is a part of the image data, the separation image data representing a predetermined separation manuscript, and send first target data to a first destination and second target data to a second destination via the network, the first target data being obtained by using first partial image data representing at least one piece of manuscript among one or more pieces of manuscripts to be scanned after the separation manuscript, the second target data being obtained by using second partial image data representing at least one piece of manuscript among one or more pieces of manuscripts to be scanned before the separation manuscript.
Reading apparatus and control method for reading apparatus
A reading apparatus includes a first line sensor and a second line sensor, and a plurality of signal processing circuits including a first signal processing circuit, the plurality of signal processing circuits configured to receive signals from a corresponding line sensor. The first line sensor corresponds to the first signal processing circuit, and the first line sensor and the second line sensor are arranged in such a way as to be separate from each other in a transport direction and overlap with each other in an intersecting direction. A space is adjacent to the second line sensor in the intersecting direction, and the first signal processing circuit is arranged in the space. The first signal processing circuit is arranged to be adjacent to the first line sensor in the transport direction.
Method and system for on-line video and image editing
A computing device including a screen; a memory configured to store an application for at least one of image acquisition, image uploading or image editing; and a processor configured to upload at least one of image or video file to a service center via a communication network, provide, in the screen, an option for allowing a first party or a first group to edit, view or download the uploaded image or video file, or append content to the uploaded image or video file based on the application stored in the memory, wherein the content corresponds to a text, titles or captions, and provide, in the screen, the option for allowing a second party or a second group to edit, view or download the uploaded image or video file, or append content to the uploaded image or video file based on the application stored in the memory, wherein the first party's right level or the first group's right level is different from the second party's right level or the second group's right level.
Method and apparatus for wirelessly activating a remote mechanism
A system includes a first device to select and transmit a first code by a transmitter to a remote device; the remote device implements a sequence detector based on the first code; the transmitter in the first device generates a first sequence based on the first code; the sequence detector in the remote device detects the first sequence and activates the mechanism based on the detection; the first device may be a smartphone or a smart watch.
Auto-tuning of an acoustic echo cancellar
A gain control system for dynamically tuning an echo canceller, the echo canceller being configured to estimate an echo of a far-end signal and subtract that estimate from a microphone signal to output an echo cancelled signal, the system comprising an echo measurement unit configured to calculate a ratio of the microphone signal to the far-end signal, an attenuation unit configured to attenuate at least one of the microphone signal and the far-end signal to output a second microphone signal and a second far-end signal to the echo canceller, the ratio of the second microphone signal to the second far-end signal being different from the calculated ratio, and an attenuation controller configured to control the attenuation unit, in dependence on the calculated ratio, so as to alter the ratio of the second microphone signal to the second far-end signal and control the echo-cancelled signal.
System and method for user notification regarding detected events
A system and method for user notification regarding detected events is provided. A plurality of messages are accessed from one or more sources. Those of the messages associated with one or more potential events are identified. The potential events are detected based on the messages. At least one of the potential events is identified as an event based on a number of messages associated with that potential event. Metadata regarding the event is extracted by from the messages associated with the event. Information regarding the event is obtained from a third party different from the one or more sources of the monitored messages. A message regarding the event is generated, the generated message comprising the extracted metadata and the information. At least one user associated with the event is identified, wherein the at least one user is notified of the event using the generated message.
System and method for automatic quality management in a contact center environment
A method for automatically managing a recorded interaction between a customer and an agent of a contact center includes: extracting, by a processor, features from the recorded interaction; computing, by the processor, a score of the recorded interaction by supplying the features to a prediction model; detecting, by the processor, a condition based on the score; matching, by the processor, the condition with an action; and controlling, by the processor, a workforce management server to assign a training session to the agent of the contact center.
Anti-spoofing techniques for outbound telephone calls
Techniques are disclosed for verifying a caller ID field of an outbound telephone call. A termination service provider call server receives a call request from a calling endpoint. The call request includes a called endpoint telephone number, and a caller ID telephone number. The call request is forwarded to an inbound carrier call server servicing the called endpoint telephone number where it determines the termination service provider for the caller ID telephone number and sends a query back to the determined termination service provider to determine whether the caller ID telephone number is currently in use. The query includes the caller ID telephone number. The termination service provider call server determines whether the caller ID telephone number in the received query is currently in use. If the caller ID telephone number is not currently in use, it returns a fail message to the inbound carrier call server. If the caller ID telephone number is currently in use, it returns a pass message to the inbound carrier call server. The inbound carrier call server either routes or does not route the call request to the called endpoint based on the query results.
Virtual communications assessment system in a multimedia environment
A system for data recording across a network includes a session border controller connecting incoming data from the network to an endpoint recorder. A load balancer is connected to the network between the session border controller and the endpoint and receives the incoming data from the session border controller, wherein the load balancer comprises computer memory and a processor configured to parse the incoming data into video data and audio data according to identification protocols accessible by the processor from the computer memory. A recording apparatus includes recording memory that receives the incoming data from the load balancer, stores a duplicate version of the incoming data in the recording memory, and connects the incoming data to the endpoint.
Consolidated voicemail platform
A voicemail system for providing voicemail services to a secure facility. An embodiment of the voicemail system includes an internet router provided at a facility for communicating with a call processing center that is located outside the facility. A database at the call processing center stores voicemail messages, a call interface receives and stores voicemail messages for residents of the facility, a resident interface provides a plurality of residents of the facility with access to the stored voicemail messages via a telephone located at the facility, and a web server provides a plurality of authorized users access to the stored voicemail messages via a website.
Detecting driving with a wearable computing device
A wearable computing device is described that detects an indication of movement associated with the wearable computing device when a user of the wearable computing device detected being located within a moving vehicle. Based at least in part on the indication of movement, a determination is made that the user of the wearable computing device is currently driving the moving vehicle. An operation is performed based on the determination that the user of the wearable computing device is currently driving the moving vehicle.
Mobile electronic device and control method
In one aspect, a mobile electronic device includes a first sensor configured to detect proximity to an own device, a second sensor configured to detect a biological response, and a controller configured to determine that the own device is present within a storing part provided on clothing when the biological response is detected by the second sensor in a case where proximity to the own device has been detected by the first sensor.
Notifying a user of events in a computing device
In a computing device, event notifications take the form of alerts that can be presented in different ways. The particular form of each event notification depends on the nature of the event, the user task being performed at the time the event occurs, the user's preferences, or any combination thereof. In one aspect, the present invention presents event notifications in the form of banner alerts. Obtrusiveness is minimized by presenting the notification at a location near the edge of the screen (such as a bottom edge), and slightly shrinking the active display area to make room for the event notification. In this manner, event notifications can be presented without obscuring any part of the active display area. In addition, the user can obtain more information about the event by activating the notification (for example by tapping on it). In another aspect, the present invention provides a summary of pending event notifications. Thus, if the user is unable to (or does not wish to) respond to or acknowledge a notification when it is presented, the user can later view the event notification summary at his or her convenience, and can act on the event notifications at that time.
System and method for wireless communication of glucose data
Systems, devices, and methods are disclosed for wireless communication of analyte data. One such method includes, during a first interval, establishing a first connection between an analyte sensor system and a display device. During the first connection, the method includes exchanging information related to authentication between the analyte sensor system and the display device. The method includes making a determination regarding whether authentication was performed during the first interval. During a second interval, the method may include establishing a second connection between the analyte sensor system and the display device for transmission of an encrypted analyte value, and bypassing the exchanging of information related to authentication performed during the first connection. The method also includes, during the second interval, the analyte sensor system transmitting the encrypted analyte value to the display device, if the determination indicates that the authentication was performed during the first interval.
Handheld device with notification message viewing
Displaying information related to a message on a display screen of a handheld electronic device. In response to a movement of the handheld electronic device from an initial position to a first orientation, displaying on the display screen a first notice related to the message.
Methods, systems, and computer program products for sharing information for detecting an idle TCP connection
A computer-implemented method is provided, comprising causing access to be provided, to a client computer, to code that causes the client computer to operate in accordance with a protocol that is separate from TCP, in order to establish a protocol connection with another server computer, by: receiving a packet, detecting an idle time period parameter field in the packet, identifying metadata in the idle time period parameter field for an idle time period, where, after the idle time period is detected, the second protocol connection is deemed inactive, and creating or modifying, by the client computer and based on the metadata, a timeout attribute associated with the second protocol connection.
Emulating FICON over IP
A Fiber Connection (FICON) information unit is received by a host processor executing a host internet protocol (IP) software library. The FICON information unit is written to a transport layer. Data including the FICON information unit is then transmitted to a storage control unit over an IP network.
Optimization of user interface data transmission for a consistent multi-platform experience service delivery
Methods, systems, and computer programs are presented for optimizing data delivery for a User Interface (UI) to a plurality of device types. One method includes operations for receiving at a server a request for an update to the UI of a client device, and for determining, by an orchestrator at the server, modules associated with the request, each module being presented on the UI. Further, the method includes operations for invoking domain services based on the determined modules (each domain service returning respective domain service data), and for synthesizing the domain service data to generate module data for each module. The synthesizing includes selecting from the domain service data and combining the selected domain service data to generate the module data. The module data is transmitted to the client device for all the modules, the module data being processable by the client device to update modules of the UI.
Method and architecture for accessing digitally protected web content
The present disclosure provides method for accessing digital web content. It provides for selective access rights for users, to a web content. When the user tries to retrieve the data, the system checks for the rights available to the user, and accordingly implements the access before providing the content.
Data delivery system, control server, and data delivery method
A data delivery system capable of reducing processing load of a server is provided. A control server includes a selecting unit selecting a TCU to which update data is to be delivered based on priority levels set in association with TCUs which are delivery targets, a message generating unit generating and transmitting a message inquiring as to whether or not the TCU is ready to accept update data to the TCU selected by the selecting unit, and a delivery control unit receiving a response message transmitted from the TCU in response to the transmitted message, selecting a TCU to which update data is to be delivered based on the received response message and requesting a delivery server to deliver update data to the selected TCU.
Generating a selection of cloud data distribution service from alternative providers for staging data to host clouds
Embodiments relate to systems and methods for generating a selection of cloud data distribution service from alternative providers for staging data to host clouds. In aspects, a user can maintain a user premise network including servers, clients, local area networks, data stores, and/or other network assets. An administrator or other user of the premise network may wish to extract data from the premise network and transfer that data to host storage clouds to leverage cost, redundancy, consolidation, or other cloud advantages. A set of cloud data delivery (CDD) services can be established to stage the upload of the data payload to the set of destination host storage clouds. Uploads to the one or more intermediate CDD services can be made using a set of high-bandwidth managed or dedicated lines. The user can interrogate the set of alternative CDD services accessible to the premise network, and identify CDD services capable of staging the premise data to data stores in those intermediate services. Multiple CDDs can be rated and/or selected according to cost, schedule, capacity, and/or other transport parameters, and in cases the data payload can be divided for delivery over multiple CDD services.
Daily counts and usage probabilities for a user of an online service
In one embodiment, a method includes, for each of multiple interactions by a user with an online service, collecting: device information describing a device used by the user for the interaction; access information describing how the user accessed the online service for the interaction; and a count value of the interaction. The method further includes determining based on the collected information a historical count value for each of one or more particular combinations of device and access information.
Content node selection using network performance profiles
A communication system exchanges communications between end user devices, content delivery nodes (CDN) of a content delivery system, and a control system that selects CDNs of the content delivery system. The control system receives a domain name lookup request issued by an end user device for retrieving content cached by one or more CDNs of the content delivery system. The control system associates the end user device with a network performance profile to select a CDN of the content delivery system. The control system transfers a network address associated with the selected CDN for receipt by the end user device responsive to the domain name lookup request.
Methods, systems, and media for managing wind speed data
A system for collecting and managing wind speed data via an external communications network comprises one or more wind stations, each including an anemometer producing wind speed signals, a station computing device converting the signals to wind speed data, a station memory securely storing the wind speed data on site and a station communication interface transmitting the wind speed data onto an external network. The system further comprises one or more data servers, each including a server computing device, a server communication interface receiving the wind speed data from the wind stations and a server memory storing the received wind speed data. The data server can determine if the received wind speed data satisfies predetermined conditions for certification and/or triggering a payout in accordance with a contract, and can thereafter transmit the appropriate data signals to another location on the external communications network.
Iterative learning for reliable sensor sourcing systems
Providing a registry of sensor devices may comprise obtaining a device, determining one or more information types returned by the device, determining one or more communication protocols used by the device for transmitting information, determining one or more encoding schemes used by the device to format the information, adding the device to the registry of sensor devices including at least the one or more information types, the one or more communication protocols and the one or more encoding schemes, and allowing access to the registry of sensor devices.
System and method for automatically triggering the live migration of cloud services and automatically performing the triggered migration
A system and method maximize the availability of cloud services in the event of a disruption to one or more cloud servers by automatically triggering the live migration of selected cloud services and automatically performing the triggered migration of such services. The operational state of virtual machines operating on a cloud server and the services that are associated with the virtual machines is monitored. Different techniques are used for deciding when to migrate cloud services based on the automatic detection of anomalies, for deciding what cloud services to migrate so as to maximize the availability of high priority services during migration under time and network bandwidth constraints, and for deciding where to migrate the selected cloud services based on a determination of the best location for migration.
Low latency RDMA-based distributed storage
A “Distributed Storage Controller” applies an RDMA-based memory allocator to implement a distributed thread-safe and lock-free storage system in shared memory distributed across multiple networked computers. The Distributed Storage Controller enables any number of client applications, processes, subroutines, etc., on any number of networked computers to concurrently perform self-directed lock-free allocations, de-allocations, reads, writes, etc., on the shared memory via sequences of one-way RDMA messages (e.g., RDMA reads, RDMA writes, and RDMA atomic compare and swap (CAS) operations) without requiring CPU locks. As such, the CPUs of computing devices hosting the shared memory do not need to be notified of RDMA-based reads, writes or CAS operations on that memory. Consequently, CPU utilization for computing devices hosting any portion of the shared memory is minimal, thereby enabling the Distributed Storage Controller to scale to very large numbers of concurrent accesses by very large numbers of networked computing devices.
Cross device messaging
Systems, methods, and computer-readable media for providing cross device messaging and enhanced synchronization of messages. In some configurations, an endpoint computing device can receive input of a mobile operator message. The endpoint computing device can process the message, and send a signal with the message to a relay computing device for delivery to a recipient computing device. In some configurations, the signal with the message may be sent to the relay device via a reference user profile in a distributed service platform (e.g., the Cloud). The endpoint computing device can send the signal with the message to a single relay computing device, or to multiple relay computing devices, for delivery. In some configurations, the endpoint computing device can send the signal with the message to a first relay device, which can then send the signal with the message to a second relay device for delivery to a recipient device.
Process control communication architecture
A platform-to-platform communication architecture for a process control messaging service in a process control system or other industrial setting allows stationary and portable industrial computing units to communicate with each other, in one-to-one and one-to-many communications, and across networks, including isolated networks inside the process control system or industrial setting and external networks. A requesting industrial computing device platform generates a message for a destination, or responding, industrial computing device in the communication protocol of the destination platform, and wraps the message in a communication protocol of the process control messaging service. The communication architecture decodes the wrapped message into the communication protocol of the destination industrial computing device and forwards the decoded wrapped message to the destination. The communication architecture allows for a variety of communication services, including, but not limited to, instant/real-time peer-to-peer messaging, time synchronization, automatic data transfer with an asset management system, communication with field devices via an asset management system and large data transfers.
Mechanisms for programmable composition of factor graphs
A computer-implemented method of deploying a cloud application comprises accessing, by one or more processors, a first factor graph that represents a first component of the cloud application, the first factor graph comprising a first set of nodes; accessing a second factor graph that represents a second component of the cloud application, the second factor graph comprising a second set of nodes; determining a third set of nodes that are present in both the first set of nodes and the second set of nodes; joining, by the one or more processors, the first factor graph and the second factor graph into a third factor graph, wherein the joining includes unifying the third set of nodes in the first factor graph and the second factor graph; based on the third factor graph, selecting computing resources; and deploying at least a portion of the cloud application to the selected computing resources.
System and method for reducing data streaming and/or visualization network resource usage
In some embodiments, data related to calculating a set of values may be obtained. The set of values may be approximated based on a subset of the related data. The approximated values may be stored at a first data storage and a second data storage that corresponds to a landing zone (via which a client device obtains at least some of the approximated values). The approximated values stored at the first data storage may be continuously updated based on further subsets of the related data such that the approximated values stored at the first data storage is updated at least a first number of times within a first time period. The approximated values stored at the second data storage may be continuously updated such that the approximated values stored at the second data storage is updated less than the first number of times within the first time period.
Data capture on a serial device
A system and a method are provided for enabling a user to connect a serial port of a device server to a serial device, query and capture data and settings pertaining to the serial device such that the device server can communicate and exchange data with the serial device without requiring customized programming. The device server may periodically query and capture user-specified data from the serial device. A poll configuration feature may be used to specify one or more commands which the device server will periodically query from the serial device. The response to each poll may be further sliced into a multiplicity of smaller portions according to user-specified filter rules. The captured data may be presented to other users online by way of a Web Manager, and the device server may establish machine-to-machine communications by way of XML and a Command Line Interface.
Method for operating a gateway in a hierarchical heterogeneous network by comparing offer messages and search messages received at the gateway regarding a service to determine if the messages relate to the same service and forwarding search messages that do not relate
A gateway, operable in a hierarchical heterogeneous network, includes at least two interfaces of which at least one is connectable to a lower network level, and the communication protocols in the network provide a message for offering a service and a message for searching for a service, receipt of a message coming in from a lower network level in the gateway at an interface for offering a service, and/or an item of information identifying the offered service, is noted in the interface receiving this message or in a management unit assigned thereto, and receipt of a message from a lower network level in the gateway at an interface for searching for a service and/or an item of information identifying the sought service is noted in the interface or management unit, and if the messages relate to the same service, a message for the service availability is sent via the interface.
Cooperative network architecture
A method for transmitting information relating to a communication network, implemented by a first server of a communication network, the method comprising the following steps: storing a data table matching identifiers of subnetworks of the communication network associated with respective qualities of service, with at least one network address of a user terminal, the network address comprising an IP address of the user terminal; receiving a request from a second server of a service provider, the request requesting information linked to said communication network; transmitting at least a part of the data table to the second server, the part comprising the matches between each subnetwork identifier and the at least one network address of a user terminal.
Uploading over parallel requests
Uploading a file in a distributed manner to a server, including: dividing the file into a plurality of chunks; generating a plurality of aliases to a hostname corresponding to the server; and uploading the plurality of chunks to the plurality of aliases corresponding to the server. Key words include distributed uploading and aliases.
Learning indicators of compromise with hierarchical models
Presented herein are techniques for classifying devices as being infected with malware based on learned indicators of compromise. A method includes receiving at a security analysis device, traffic flows from a plurality of entities destined for a plurality of users, aggregating the traffic flows into discrete bags of traffic, wherein the bags of traffic comprise a plurality of flows of traffic for a given user over a predetermined period of time, extracting features from the bags of traffic and aggregating the features into per-flow feature vectors, aggregating the per-flow feature vectors into per-destination domain aggregated vectors, combining the per-destination-domain aggregated vectors into a per-user aggregated vector, and classifying a computing device used by a given user as infected with malware when indicators of compromise detected in the bags of traffic indicate that the per-user aggregated vector for the given user includes suspicious features among the extracted features.
Wireless receiving apparatus, data processing module, and data processing method, for receiving video image
A wireless receiving apparatus includes a plurality of wireless receiving modules that receive a plurality of sub-streams constituting a video frame from a wireless transmitting apparatus and a data processing module that determine whether an error occurs in each of the plurality of sub-streams, in response to determining that an error does not occur in any of the plurality of sub-streams, merges the plurality of sub-streams to generate the video frame, transmits the video frame to a display electrically connected to the wireless receiving apparatus, and in response to determining that an error occurs in at least one of the plurality of sub-streams, transmits an immediately-preceding video frame to the display.
Variable checkpointing in a streaming application that includes tuple windows
A variable checkpoint mechanism in a streams manager checkpoints a streaming application based on periodic time periods for checkpoints. The variable checkpoint mechanism can take a checkpoint early before a periodic time period ends or late after the periodic time period ends based on predicted size of one or more tuple windows in the streaming application. The time for taking the checkpoint can be selected based on multiple checkpoint timing criteria, which include storage requirement for the checkpoint and predicted backpressure in the flow graph. In this manner the checkpoint timing of the variable checkpoint mechanism can be adjusted real-time to minimize the negative impact of checkpointing on the performance of the streaming application.
Content distribution and data aggregation for scalability of observation platforms
Methods and systems for managing and distributing content and aggregation of data in a plurality of observation platforms are disclosed. A message is generated with content at a content distribution manager. A delivery of the message is scheduled and a plurality of specified devices are specified for delivery in a plurality of observation platforms at a designated time and/or location(s) via the content distribution manager, wherein the plurality of observation platforms are capable of receiving a signal from a first mobile device with a first characteristic that corresponds to an audible source and a second characteristic that corresponds to information indicative of a geographic position of the first mobile device and relaying the signal to a destination based on the first characteristic and/or the second characteristic. The message is delivered to the plurality of observation platforms which relays the message to the plurality of specified devices at the designated time.
System and method for preventing robocall voicemail deposit
Systems and methods for preventing a robocall from leaving a voicemail are described. When an incoming call without a history information header (HIH) destined for a subscriber is detected, the incoming call is prevented from leaving a voicemail if the subscriber does not answer the incoming call. If the incoming call has the HIH, additional determination process based on a visited network address of the subscriber is performed to determine whether the incoming call is to be prevented from leaving a voicemail.
Publish/subscribe network enabled for multimedia signaling control, method for initiating a session within the network and respective network device
A method for initiating a session within a publish/subscribe network, comprises: publishing a first topic by a first user interface of a first device, the topic identifying the first user interface and including an address-identifier identifying a second user interface of another device, triggering a request to start a session, starting a first media endpoint (43, 44) by publishing the media endpoint to the network by using a second topic for the media end point representing the media end point and describing the capabilities of the media endpoint, and linking the first media endpoint with a second media endpoint (45, 46) of the second user interface (42), when the second user interface has accepted the session.
Synchronous communication session coordination and handling among devices using metadata
In some embodiments, a request for a communication session is sent, from a requesting device to a recipient device, prior to establishing the communication session with the recipient device. A reply to the request is received, within the requesting device, from the recipient device. Responsive to the reply, the communication session is scheduled within the requesting device based upon the reply.
Dynamic multi-factor authentication challenge generation
Dynamic multi-factor authentication challenge selection is provided. A risk associated with an operation that requires authentication of a user of a client device is determined. A plurality of authentication methods is identified. Each respective authentication method associated with a level of security offsetting the risk and a computing cost associated with a respective authentication method. One or more authentication methods are selected from the plurality of authentication methods according to the risk and to minimize the computing cost associated with authenticating the operation.
Compliance configuration management
Disclosed aspects relate to compliance configuration management for asset migration on a shared pool of configurable computing resources having a set of compute nodes. A migration request to migrate an asset coupled with a first compliance configuration from a source compute node to a target compute node may be detected. The first compliance configuration coupled with the asset on the source compute node may be compared with an expected compliance configuration for the target compute node. Based on and in response to the comparing, a mismatch of the first compliance configuration with respect to the expected compliance configuration may be determined. A set of response actions may be performed with respect to the migration request.
Systems and methods for enforcing access-control policies
The disclosed computer-implemented method for enforcing access-control policies may include (i) determining that a user is attempting to access a controlled device that is subject to an access-control policy, (ii) locating at least one additional device that is in physical proximity to the controlled device, (iii) acquiring context information from the additional device that provides information about the identity of the user, (iv) establishing the identity of the user based on the context information acquired from the additional device, and (v) enforcing the access-control policy based on the identity of the user. Various other methods, systems, and computer-readable media are also disclosed.
Protecting personally identifiable information from electronic user devices
Protecting personally identifiable information data collected and/or stored in physical objects with embedded electronic devices by performing at least the following: obtaining a plurality of personally identifiable information algorithms for a plurality of electronic user devices, determining a relevant personally identifiable information algorithm from the plurality of personally identifiable information algorithms, executing the relevant personally identifiable information algorithm over the relevant personally identifiable information from one of the electronic user devices to construct a personally identifiable information data result, and transmitting the personally identifiable information data result without transmitting the relevant personally identifiable information to a remote computing system.
Time signal manipulation and spoofing detection based on a latency of a communication system
This disclosure relates to detecting manipulation or spoofing of a time based on a latency of a communication system. In one embodiment, a system includes a time input to receive a time signal. The system includes a first interface to receive a first representation of a first condition at a first location at a first time and a second interface to receive a second representation of a second condition at a second location and at the first time. A latency determination subsystem may determine a latency based on a comparison of the time of arrival of the second measurement and the first time. A threshold subsystem may generate an indication of whether the latency satisfies a threshold. An anomalous condition subsystem may identify an anomalous condition based on the indication, and a remedial action may be implemented based on the anomalous condition.
Dynamic detection of firewall misconfigurations
An automated scanning service can be configured to dynamically determine potential firewall misconfigurations in a shared resource environment. The scanning service can interrogate one or more application programming interfaces (APIs) to determine the state of the relevant firewall ports. For each firewall port in a permitted state, a test or trace can be run to determine whether the corresponding host port is open. Similarly, information can be obtained indicating which host ports for the allocation are open, and a determination can be made as to whether the corresponding firewall ports are permitted. Once the determinations are made, any mismatch in port state can be reported as a potential misconfiguration.
Identifying self-signed certificates using HTTP access logs for malware detection
In one embodiment, a device in a network receives traffic information regarding one or more secure sessions in the network. The device associates the one or more secure sessions with corresponding certificate validation check traffic indicated by the received traffic information. The device makes a self-signed certificate determination for an endpoint domain of a particular secure session based on whether the particular secure session is associated with certificate validation check traffic. The device causes the self-signed certificate determination for the endpoint domain to be used as input to a malware detector.
Modeling behavior in a network using event logs
A framework is provided for modeling the activity surrounding user credentials and/or machine level activity on a computer network using computer event logs by viewing the logs attributed to each user as a multivariate data stream. The methodology performs well in detecting compromised user credentials at a very low false positive rate. Such a methodology may detect both users of compromised credentials by external actors and otherwise authorized users who have begun engaging in malicious activity.
Wireless sensor network security
In some examples, a computing device may receive sensed data of a first sensor sent in a first transmission. The computing device may associate a first timestamp with the sensed data. Further, the computing device may receive, from other sensors, first signal strength information including first signal strength data and a first signal property related to the first transmission, and a second timestamp corresponding to detection of the first transmission. The computing device may receive, from other sensors, second signal strength information including second signal strength data and a second signal property related to a second transmission, and a third timestamp corresponding to detection of the second transmission. When the third timestamp is later than the first timestamp and the first signal property matches the second signal property, the computing device may indicate that a sensor that sent the second transmission is associated with an anomaly.
Method, device and assembly operable to enhance security of networks
A method, device and assembly are disclosed herein. Each of the method, device and assembly, in an embodiment, is operable to perform multiple steps for protecting a network, including adding resources to a blocklist if the resources satisfy a blockage condition. After a maturation period expires, the steps include determining whether the blocked resource is listed on a blacklist. The addition to the blocklist corresponds to a precautionary event, and the presence on the blacklist corresponds to a threat event. The steps include determining a correlation of the precautionary events to the threat events, and changing or adjusting the blockage condition as a result of the correlation outcome differing from a correlation target factor by a designated amount.
Multi-host threat tracking
A system and method for tracking data security threats within an organization is proposed. A threat aggregator process executing on an analysis computer system within the organization receives events indicating possible threats observed by and sent from different user devices and aggregates related events into threats. This enables the threats to be analyzed and acted upon at a level of the organization (e.g., across user devices) rather than at the level of the individual user devices. An endpoint telemetry system analyzes threats sent from the aggregator and provides security policies for responding to the threats. In examples, the system can identify attacks of related threats and act upon the related threats of the attack collectively, and can characterize false positive threats sent from multiple user devices as a single extraneous threat. This has advantages over the per-user device focus for responding to threats provided by current systems and methods.
Security architecture for the connected aircraft
Systems and methods of a security architecture for a connected aircraft are disclosed. In at least one embodiment, an avionics server comprises a plurality of device ports, wherein each of the plurality of device ports is coupled to a respective one of a plurality of device network interface cards and dedicated to a respective one of a plurality of avionics domains which corresponds to the respective device network interface card. Further, at least one processing device is configured to identify one or more signals from a respective user received at one or more of the plurality of device ports and to verify whether the user has access to the respective avionics domains that are dedicated to the one or more device ports over which the one or more signals are received.
Method and apparatus for geographic location based electronic security management
Provided herein are embodiments directed to facilitating an authentication process before allowing an action. An example apparatus may be configured to receive a request, via an authentication session established during a log-in process, to cause the action, send alert to a first device associated with an account associated with the requested action, cause the first device to communicate, via the short range wireless communication protocol, with a second device to verify a proximity, receive verification of the proximity, receive a first identifying data originating in a browser having been used to start the authentication session, receive a second identifying data string originating from a trusted agent, configured as software or hardware, residing on the second device, and upon confirmation of a match of the first identifying data string and the second identifying data string, authorize the action.
Techniques and system for extended authentication
An apparatus may include a memory to store authentication information for authenticating to a device group and a wearable device identifier for an unauthenticated device, a communications interface to transmit a probe signal over a local communication path and receive a reply message to the probe signal, and a device authentication module. The device authentication module may be to monitor the reply message, and schedule transmission of the authentication information over the local communication path when the reply message comprises the device identifier and a proximity indicator that identifies a local origin of the reply message.
Configuration based client for OAuth authorization with arbitrary services and applications
Techniques for generic authentication with arbitrary services are provided. A request to authorize with a first service, of a plurality of services, using the OAuth protocol, is received by a generic client library, from a first application. A set of parameters specific to an implementation of the OAuth protocol provided by the first service are identified in a configuration file. An HTTP request is generated based on the set of parameters identified in the data structure, and the first application is authorized with the first service via the OAuth protocol using the generated HTTP request.
Authorization delegation system, information processing apparatus, authorization server, control method, and storage medium
A device transmits an acquisition request for first authorization information indicating that a user's authority to create a tenant-dedicated client is delegated to a vendor client on the basis of first authentication information provided from an authorization server in response to the registration of the vendor client. The device registers the tenant-dedicated client in the authorization server on the basis of the first authorization information, and transmits an acquisition request for second authorization information indicating that the user's authority in a service of a resource server is delegated to the tenant-dedicated client on the basis of second authentication information provided from the authorization server in response to the registration of the tenant-dedicated client. Then the device uses the service of the resource server on the basis of the second authorization information.
Method and apparatus for authenticating a virtual subscriber identity module
Embodiments of the present invention provide a method and apparatus for authenticating a virtual subscriber identity module (VSIM). The method includes: establishing a first connection with a mobile communication network according to a removable subscriber identity module (RSIM); acquiring VSIM information sent by a VSIM server via the first connection, the VSIM information comprising a subscriber identification number; initiating a registration process to a network side according to the VSIM information; acquiring an authentication request, the authentication request carrying an authentication parameter to request for authentication for the VSIM; sending the authentication parameter to the VSIM server, such that the VSIM server determines an authentication response parameter according to the authentication parameter; and acquiring the authentication response parameter sent by the VSIM server, and performing authentication according to the authentication response parameter.
Authentication method and system by garbled circuit
the invention proposes a method and an associated system for authenticating a user, by means of the redundancy present between several images of a video, the method using garbled circuits, named variant garbled circuits, associated with the alternative bits between the images of the video and a garbled circuit named invariant garbled circuit, associated with the invariant bits between the images of the video, so that the invariant garbled circuit only needs to be evaluated a single time.
Systems and methods for certificate chain validation of secure elements
In certificate chain validation, a parent certificate is used to validate a child certificate. The child certificate can indicate which parent certificate can be used to validate it. In some situations, a child certificate may not contain a certificate authority identifier that can be used to identify the parent certificate. Instead, the child certificate can contain a hash value of a modulus of the parent public key that can be used to identify the parent certificate. The hash value of the modulus of the parent public key can be associated with the parent public key. As such, the parent public key used in certificate chain validation of the child certificate can be identified using the hash value of the modulus of the parent public key.
Stateless server-based encryption associated with a distribution list
An example method of decrypting electronic messages includes receiving, by an authentication module of a decryptor device, authentication requests from a plurality of destination clients. The method also includes receiving, by a decryption module of the decryptor device, encrypted electronic messages from the plurality of destination clients. The encrypted electronic messages are derived from a common electronic message sent by a common source client. The method further includes authenticating, based on an authentication table, the plurality of destination clients. The authentication table stores user credentials that are used to authenticate destination clients. The method also includes for each encrypted electronic message received from an authenticated destination client of the plurality of destination clients, decrypting the encrypted electronic message using a common private key and providing the decrypted electronic message to the authenticated destination client. The private key is stored at the decryptor device.
Methods for authenticating photographic image data
Systems and methods are provided for authenticating image files when network connections should not or cannot be used to transfer image files. A user device application may capture an image at a user device, generate an image file, and generate a hash file based on the image file. Instead of sending the image file to an authentication server for authentication, the application may send the hash file. If desired, the application may transfer the image file when a desirable network connection is available. Any alteration to the image file in the meantime will result in a different hash file for the altered image file, thus allowing detection of altered image files. This approach offers decreases the amount of data that is required to be transmitted in low or undesirable signal conditions, while maintaining an ability to detect alterations to image files that may have been made in the meantime.
System and method for securely changing network configuration settings to multiplexers in an industrial control system
A secure control system includes a network of multiplexers that control end/field devices of an infrastructure system, such as an electric power grid. The multiplexers have a default secure lockdown state that prevents remote access to data on the multiplexers and prevents modification of software or firmware of the multiplexer. One or more of the multiplexers include a physical authentication device that confirms the physical proximity of a trusted individual when remote access is requested. A user accesses the network and one of the multiplexers remotely by way of login credentials. The trusted individual confirms the identity of the remote user and operates the physical authentication device connected with and in proximity to that multiplexer, thereby confirming that the remote user can be trusted to access data and reconfigure the multiplexers. The multiplexer connected with the physical authentication device generates a token that is passed to each of the multiplexers that the remote user needs access to. The token may specify a time period, after which, the multiplexers will reenter secure lockdown mode.
User identity verification method and system, and verification server
A user identity verification method is disclosed. The method includes receiving an identity verification request sent by a user through a client terminal; determining a user communication number according to the identity verification request and generating a corresponding temporary communication number for the user communication number; recording the user communication number and the temporary communication number as first data; returning the temporary communication number to the client terminal; receiving a call request initiated by the user to the temporary communication number; determining a respective user communication number and a respective temporary communication number corresponding to the call request as second data; verifying whether the first data matches with the second data; and returning a verification result to the client terminal. The method can improve security and reliability of identity verification, reduce a user's waiting time, and enhance user experience.
Precomputed and transactional mixing
Precomputed and transactional mixing is believed to allow portable devices, such as smart phones, to send and receive messages, with little extra bandwidth or battery usage, while achieving anonymity for senders and recipients among all messages sent globally in batches defined by short time intervals. To learn anything about which inputs correspond with which outputs of such a batch of messages, the entire cascade of mix devices, each preferably operating independently in a different country, would it is believed have to be compromised.None of the real-time computation, neither by the mixes nor smartphones, uses full public-key operations—resulting it is believed in orders of magnitude performance improvement over previously-known systems.Aspects include untraceable return addresses, group chat, feed-following and large payloads. Transaction protocols include a variety of payments use cases. Limited anonymity and credential mechanism are based on a new approach to user identification disclosed, in which each user provides a small amount of different identifying information to each mix node, so that comparatively little is revealed to each node individually.
Method, system, and apparatus for secure wireless connection generation
Provided is a system and apparatus employing an extremely secure method of encrypting both wireless internet connections and wireless peripherals to a computer, cellphone, tablet, TV, stereo, or any other wireless device. The method differs from other techniques in that it generates more unique random seeds from which to generate incredibly long security keys between two or more devices. The system also acts as a filter between computers and devices so that infected devices cannot infect the host when generating keys. It uses secure data cables which generate no electromagnetic fields. It can also detect an attempt to tap into the line to snoop on the keys created. It also generates private/private security keys for wireless/internet use.
Content management system
Disclosed is a content management system comprising: a server; a content database, configured within the server, within which are stored one or more channels, each channel comprising one or more stories, each story comprising a title and one or more files; and one or more user devices connected to the network, each user device being associated with a user, each user device being configured to allow the associated user to view one or more stories from a channel to which the associated user has viewing rights. The title of each story and the names of the files contained in the story are stored obfuscated in the content database, and the files are stored encrypted in the content database.
System and method for data segmentation and distribution across multiple cloud storage points
The present invention is a system and method for data segmentation and distribution such that the user may distribute their data to a plurality of cloud-based storage points while maintaining data integrity and security. This is accomplished by incorporating a segmentation module, an encryption module, a distribution module, a rendering module, and a sharing module. These modules work in conjunction to distribute data over several cloud-based storage services while also providing security features and increased speed.
Ultra dense network security architecture method
A method for establishing a trust relationship in an ultra dense network is provided. The method comprises receiving, by a user equipment (UE), a reconfiguration request from a macrocell; deriving, by the UE, a user plane encryption key according to information in the reconfiguration request; transmitting, by the UE, a first user plane signaling message to a first microcell in a group of microcells when the UE is attached to the first microcell; and transmitting, by the UE, a second user plane signaling message to a second microcell in the group of microcells when the UE is attached to the second microcell, wherein the first user plane signaling message and the second user plane signaling message are both encrypted according to the user plane encryption key.
Cooperated approach to network packet filtering
An apparatus, system, method, and machine-readable medium are disclosed. In one embodiment the apparatus is a network interface controller that includes one virtual function owned by a virtual machine present in the computer system. The controller includes a simple filtering agent that is associated with the first virtual function. The agent enforces simple filter rules for received network packets. The simple filter rules are capable of blocking the network packets from reaching the virtual machine. The apparatus also includes another virtual function that is owned by a virtual machine monitor present in the computer system. The controller also includes a side bounce filtering agent to forward the first network packet to the second virtual function if the first packet is blocked by the at least one of the one or more simple filter rules.
Methods for internet communication security
The present disclosure relates to network security software cooperatively configured on plural nodes to authenticate and authorize devices, applications, users, and data protocol in network communications by exchanging nonpublic identification codes, application identifiers, and data type identifiers via pre-established communication pathways and comparing against pre-established values to provide authorized communication and prevent compromised nodes from spreading malware to other nodes.
Methods and system for allocating an IP address for an instance in a network function virtualization (NFV) system
A non-transitory computer-readable medium storing computer instructions for allocating an IP address for an instance in a network function virtualization (NFV) system, that when executed by one or more processors, cause the one or more processors to perform the steps of obtaining a first requirement of IP address allocation from VNFD by a first node in the NFV system, determining a second requirement of IP address allocation for the instance according to the first requirement; and sending to a second node in the NFV system the second requirement, wherein the IP address is allocated for the instance based upon the second requirement.
Managed directory service connection
Techniques for connecting computer system entities to local computer system resources are described herein. A computer system entity that requests access to a local computer system resource has that request fulfilled by a managed directory service, which receives the request and connects the computer system entity to the local computer system resource. While connected, the managed directory service receives commands to perform operations on the local computer system resource and, if the computer system entity is authorized to perform the operations on the local computer system resource, the managed directory service performs the operations on the local computer system resource.
Managed LDAP entries
A method and apparatus for maintaining in a Lightweight Directory Access Protocol (LDAP) repository entries that are managed by an LDAP directory server. An LDAP directory server receives a client request to add a specified entry to an LDAP repository, determines, based on a managed entry configuration, that the specified entry requires a managed entry operation, and adds the specified entry to the LDAP repository. The LDAP directory server further adds a managed entry to the LDAP repository in accordance with the managed entry operation, where the managed entry is added to the LDAP repository without receiving any client request specifying the managed entry.
Dynamic hashtag ordering based on projected interest
A method, computer program product, and system includes a processor(s) obtaining a hashtag and analyzing the hashtag to identify components comprising the hashtag. The processor(s) generate sub-hashtags, where each of the sub-hashtags includes at least one component. The processor(s) obtain, over an Internet connection, via a user interface of a social media platform displayed on a first computing resource, an entry by a user comprising text and the hashtag. The processor(s) obtains from a second computing resource, a request from a second user to access the entry that includes parameters of the second user on the platform. The processor(s) determine that a sub-hashtag is most relevant to the second user. The processor(s) configure instructions to display a customized entry, where the customized entry includes the text and the relevant sub-hashtag for the second user. The processor(s) instruct the second computing resource to display the customized entry in its user interface.
Method, apparatus and system for customer service information forwarding
A customer service information forwarding method is provided. The method includes receiving customer service information sent by a client end terminal from a first communication platform to a first target account and, according to the first target account of the customer service information, obtaining a login status of a second target account on the second communication platform. The second target account is bound in advance to the first target account. The method also includes, when the second target account does not log in the second communication platform, obtaining a pre-established forwarding account bound to the second target account and setting the state of the customer service information as not-forwarded, and aggregating not-forwarded customer service information within a preset time period into a final aggregated customer service information and sending the final aggregated customer service information to the forwarding account through the first communication platform.
Approach for sharing electronic documents during electronic meetings
An approach is provided for sharing electronic documents during electronic meetings. Client devices of meeting participants are configured with a file sharing application that allows participants of an electronic meeting to request and receive, during the electronic meeting, electronic documents that are displayed during the electronic meeting. The file sharing application allows presenters to review and approve or deny requests for electronic documents, and to apply security restrictions to electronic documents on a participant-by-participant basis. Security restrictions may also be specific to particular electronic meetings and access to electronic documents shared during electronic meetings may be restricted to users who were participants of the electronic meetings. The approach is not limited to files per se and is applicable to sharing any type of data in any format or structure.
Message processing method and electronic device supporting the same
A message processing method and an electronic device for supporting the same are provided. The electronic device includes a communication interface configured to receive a message including a plurality of pages, and a control module configured to process the received message, wherein, if undefined data exists among data contained in a specific page of the plurality of pages, the control module combines at least a part of data contained in a next page that is sequential to the specific page with the undefined data.
Virtual chat rooms
One or more computing devices, systems, and/or methods for hosting virtual chat rooms of a chat room are provided. For example, users (e.g., 3,000 users) may access video interfaces, hosting a video, and chat room interfaces associated with a chat room for the video (e.g., users may access a news website providing a live stream of a current event along with a chat room for discussing the live stream). Signals of the users (e.g., a user location, age, account profile information, prior chat room message behavior, etc.) are evaluated to identify user properties (e.g., the user is an active participant within chat rooms). The chat room may be sharded into a set of virtual chat rooms into which users are assigned based upon the user properties (e.g., 300 virtual chat rooms of 100 users each). In this way, users may have more meaningful interactions within the smaller virtual chat rooms.
Systems, methods, and computer-readable storage media for sharing activity data through activity beacons. The system first receives a signal to enable a service for sharing activity data between the first device and a second device during a communication session between the first device and the second device, wherein the communication session is maintained via a first application. The system then tracks an activity associated with at least one of the first device or a second software application at the first device to yield activity data. Next, the system transmits an activity beacon from the first device to the second device, the activity beacon including the activity data and a second signal for triggering a presentation of a representation of the activity at the second device within the first application.
Data transfer circuitry given multiple source elements
An interface circuit is disclosed for the transfer of data from a synchronous circuit, with multiple source elements, to an asynchronous circuit. Data from the synchronous circuit is received into a memory in the interface circuit. The data in the memory is then sent to the asynchronous circuit based on an instruction in a circular buffer that is part of the interface circuit. Processing elements within the interface circuit execute instructions contained within the circular buffer. The circular buffer rotates to provide new instructions to the processing elements. Flow control paces the data from the synchronous circuit to the asynchronous circuit.
Method and apparatus for stateless transport layer tunneling
Some embodiments of the invention provide a method of tunneling a data packet by encapsulating the data packet with a protocol header and specifying information in the fields of the header in a manner that a network switch can offload processing tasks to its network interface controller. The switch on a transmit side sends the processed data packet through the tunnel to another switch on a receive side. The two sides represent the two ends of the tunnel established between the two switches. Each of the transmit and received side switches is controlled by a switch controller, which in some embodiments is implemented as software. The switch controllers and network interface controllers together process the data packet which is being transferred through the tunnel between the switches.
Resource allocation to game titles in a remote gaming environment
Embodiments of the present invention monitor and dynamically allocate computing resources to a game service. A game service provides a remote gaming environments to which users connect over a wide area network, such as the internet. A game session runs a single instance of a game title. The game session runs the video game code responsible for creating the playing experience for the users. In another embodiment, the number of active game sessions is monitored and computing resources are allocated dynamically as the number of sessions increases or decreases.
Virtual flow network in a cloud environment
A system and method for virtualizing a flow switch to be used by application providers in a cloud computing environment is provided. An application provider's packet handling rules are received by a cloud management system. The rules are translated from the application provider's overlay topology to the underlay data center topology. The underlay network elements involved in the received rules can be identified. A translated rule can be decomposed into a plurality of rule portions which are transmitted to the appropriate underlay network elements.
Deploying a cloud service with capacity reservation followed by activation
A system receives a request for a plurality of resources of a cloud computing system to deploy a service. The system selects a portion of the resources and determines whether the selected portion is at least partially available in one or more clusters in parallel. If available, the system reserves the available resources for a predetermined period of time. If unavailable in one of the clusters, the system releases the reserved resources after the predetermined period of time. While or after determining the availability, the system locates at least a portion of the remainder of the resources in the one or more clusters. The system allocates the reserved resources on one of the clusters and the located remainder of the resources to deploy the service and instantiates the service on the one of the clusters using the allocated resources.
Data-driven automation mechanism for analytics workload distribution
An apparatus in one embodiment comprises at least one processing device having a processor coupled to a memory. The processing device implements a first workload distribution node configured to communicate with multiple distributed data processing clusters over at least one network. The workload distribution node is further configured to receive a data processing request, to identify particular ones of the distributed data processing clusters that are suitable for handling at least a portion of the data processing request, and to assign the data tasks to one or more of the distributed data processing clusters. Results of performance of the data tasks from the one or more assigned distributed data processing clusters are received by the first workload distribution node and aggregated into a response that is returned to a source of the data processing request. The source of the data processing request in some embodiments is another workload distribution node.
Profile-based placement of clients
A client placement module and method for placing a client in a distributed computer system uses at least one requirement profile with profile parameters to determine whether any host computer in the distributed computer system satisfies resource requirements of the client and also matches the profile parameters in the at least one requirement profile.
Scheduling prioritized traffic in a scrambled coded multiple access (SCMA) system
A system for scheduling prioritized traffic in a scrambled and coded multiple access (SCMA) system multiple terminals and a gateway. Each terminal is configured to receive packets from user devices and place the packets on various input queues. The packets are en-queued onto a plurality of output queues based on priority or service class. The terminal is further configured to detect one or more available SCMA slots within a frame of a communication system, and de-queue packets from the highest priority output queue onto the frame via one or more SCMA bursts. The terminal includes transceiver for transmitting/receiving frames of the communication system to/from the gateway. The terminals autonomously transmit SCMA bursts on a first channel, and transmit TDMA bursts on a second channel based on assigned timings received from the gateway.
Systems and methods for managing network traffic with a network operator
A method for managing network slice enabled traffic on a communications network is disclosed. The network slice is instantiated on the communications network for providing connectivity resources to a network operator using the communications network. The method comprises measuring a traffic level indicative of the traffic enabled by the network slice; and adjusting the traffic enabled by the network slice in accordance with the traffic level and a network operator enabled function associated with the network slice.
System and method for management of cloud-based systems
System and method for reporting usage of a network infrastructure includes obtaining a map that includes at least one flow-mapping that correlates a flow feature with a service and that correlates a flow feature with an endpoint type, wherein the endpoint types include at least a subscriber type and a service type; at a first computer, receiving flow telemetry of a network infrastructure, the flow telemetry representing at least the destination and source attributes for network traffic in the flow telemetry; categorizing the flow telemetry into at least a subscriber flow category based on the source and destination endpoint types of the traffic; for subscriber flow telemetry of a subscriber, processing the subscriber flow telemetry into at least one flow feature; identifying at least one service to attribute to at least a portion of the subscriber flow telemetry, the service identified through the processed flow feature and a flow-mapping.
Apparatus, systems and methods for network selection with priority class
Described herein are apparatus, systems and methods for enhanced PLMN selection using priority class information. A method may comprise, at a user equipment (“UE”), identifying a plurality of networks, each network having an assigned priority class indicator, identifying a first network of the plurality of networks as having a first priority class indicator, identifying a second network of the plurality of networks as having the first priority class indicator, identifying the first priority class indicator as the highest priority class of the assigned priority class indicators, and selecting between the first network and the second network based a quality characteristic.
Method for transmitting data in a packet-oriented communications network and correspondingly configured user terminal in said communications network
A method for transmitting data in a packet-oriented communications network, in particular of a motor vehicle, with a guaranteed maximum transmission time for the data packets in the communications network, and to a user terminal for carrying out said method. According to the method, before the data transmission a specific quality of service is reserved by a reservation request from the sender of the data to the receiver of the data. The reservation request including the data rate of the data stream and the latency as parameters of the requested quality of service. Once the reservation request is confirmed, the requested quality of service for the communication link between the sender and the receiver is guaranteed in the network for the data stream. In addition, the quality of service for the data stream is adjusted by the sender on the basis of the topology of the communication network and/or the resources of the communication link.
Method for increasing layer-3 longest prefix match scale
Various embodiments are disclosed for increasing Layer-3 LPM (longest prefix match) routing database in a network platform. In some embodiments, chipsets in fabric modules (FMs) can be partitioned into multiple banks. Network traffic can be directed towards a corresponding bank in the FMs by using a LPM table on a line card (LC). Entries in the LPM table on the LC can be programmed either statically or dynamically based upon LPM routes that are dynamically learned.
Quality of service for data transmission
The disclosure includes a method for establishing a connection with QoS assurance. In the method, a router receives a first IPv6 packet for establishing a first connection, wherein the first IPv6 packet includes a first QoS requirement for the first connection in a hop-by-hop extension header of the first IPv6 packet. Then, the router modifies the first IPv6 packet by setting first information in the hop-by-hop extension header of the first IPv6 packet, where the first information indicates that the router meets the first QoS requirement. Furthermore, the router sends the modified first IPv6 packet to a second router based on a destination IP address of the modified first IPv6 packet.
Domain control method and domain control device
An integrated control device, to implement automatic address assignment in a path spanning two or more administrative domains, and to implement communication between a plurality of administrative domains, acquires definition information that defines protocols used in each administrative domain from an inter-administrative domain communication protocol stack list table, acquires available addresses of each protocol in each administrative domain which can be used for communication between the respective administrative domains from an available address range table, acquires a communication route from a starting point administrative domain to an ending point administrative domain, specifies domains that use the respective protocols on the communication route by using the definition information, assigns protocol information such as available addresses of each protocol between the specified domains by using an available address range table and notifies the assigned address to each domain.
Link discovery method, system, and device
The present invention provides a link discovery method. In the method, a first controller sends a first message to a first node, and the first node receives the first message, and sends the second link discovery packet from a first port to the second node; the second node receives the second link discovery packet at a second port, and sends a second message to the second controller according to the label, where the second message carries the second link discovery packet and an identifier of the second port; and the second controller receives the second message, extracts an identifier of the first port in the first link discovery packet and the identifier of the second port in the second message, and determines that a link exists between the first port of the first node and the second port of the second node.
Virtualized network device failure detection
A technology is described for detecting a failure of a primary virtualized device and failing over to a secondary virtualized network device. An example method may include generating a statistical model using historical data for network traffic that has been handled by a primary virtualized device. The statistical model may contain a functional state baseline representing a functional state of the primary virtualized device handling network traffic during a time frame. Having generated the statistical model, the functional state of the primary virtualized device may be monitored by calculating a network traffic metric for current network traffic handled by the primary virtualized device and comparing the network traffic metric for current network traffic handled by the primary virtualized device with a data point in the statistical model corresponding to the network traffic metric and the time frame for the network traffic metric.
In-band, health-based assessments of service function paths
In one embodiment, a device in a network places a path of a service function chain into a testing state. The device causes a self-assessment instruction to be propagated along the path while the path is in the testing state. The device analyzes self-assessment results from nodes along the path. The device adjusts a state of the path based on the analyzed self-assessment results.
Systems, equipment and methods for automatically tracking cable connections and for identifying work area devices and related methods of operating communications networks
Systems, equipment and methods for automatically tracking cable connections and for identifying work area devices and related methods of operating communications networks are provided. In one embodiment, a method of automatically identifying an end device that is connected to a local area network, the method comprising: transmitting a first control signal over a control channel that runs from a first connector port on a patch panel of the local area network to an integrated circuit chip mounted on the end device through at least a communications cable, a second connector port and a patch cord; receiving a second control signal from the integrated circuit chip over the control channel in response to the first signal, the second signal including identifying information for the end device.
Communication media and methods for providing indication of signal power to a network entity
Communication media for providing indication of signal power to a network entity include communication paths extending from a first end to a second end; and a connector assembly terminating the first end of the communication paths, the connector assembly including a physical layer management (PLM) interface that is isolated from signals on the communication paths. The connector assembly includes a signal sensor that senses signal power propagating through the connector assembly to/from the communication paths; a programmable processor coupled to the signal sensor and the PLM interface; and data storage devices that include first instructions that cause the programmable processor to receive a signal from the signal sensor corresponding to the signal power detected by the signal sensor, and to send an indication of the signal power propagating through the connector assembly, the programmable processor sending the indication over the PLM interface to a network entity.
Method and system for configuring behavioral network intelligence system using network monitoring programming language
A method and system for configuring a behavioral network intelligence system using a network monitoring programming language are provided. The method includes defining at least one target of a traffic segment to be monitored using at least one application path attribute of an application, wherein the application is accessed via at least one user device connected to a network, wherein the at least one application path attribute is defined respective of an application path keyword and an application path assessment keyword; and defining at least one condition representing the behavior of the at least one application path attribute of the application, the at least one target and the at least one condition can be interpreted by a monitoring system to allow for determining a behavioral impact of the application on the network.
Metrics processing service
A distributed services platform may generate a plurality of log files containing metric values. Metric values may be provided to a first level of a topology of aggregation modules. The first level of aggregation modules may provide output to a second level of the topology. Subsequent levels of the topology may perform greater amounts of aggregation while providing stream-based access to the aggregated values. State information for the aggregation topology may be saved subsequent to each cycle of values through the topology.
System and method for intelligently mapping a source element to a target element in an integration cloud service design time
In accordance with an embodiment, described herein is a system and method for creating advanced mappings between a source application and a target application in a design time of a cloud-based integration service. The web interface application in the design time can display a source data object including one or more source elements, a target data object including one or more target elements, and a plurality of mapping components. A mapping area for a particular target element can include a mapping expression between a source element and the particular target element. When a mapping component is dragged and dropped onto the mapping area, an application programming interface defining one or more actions in accordance with a plurality of rules can be triggered, to generate one or more mapping statements to modify the mapping expression to create an advanced mapping between the source element and the target element.
Consolidating manufacturing intelligence event queue items
Consolidating events to execute objects to extract, transform, and load data from source systems to a structured data store. An event manager process executing on a server runtime utilizes one or more event properties to determine which events can be consolidated to reduce unnecessary processor utilization.
Technologies for autonegotiating 10G and 1G serial communications over copper cable
Technologies for autonegotiation of communications operational modes over copper cable include a network port logic having a communication link coupled to a remote link partner. The network port logic may start an autonegotiation protocol upon reset, when the link is broken, or upon manual renegotiation. The network port logic transmits an autonegotiation page to the remote link partner that indicates single-lane communications ability over copper cable. The network port logic receives an autonegotiation page from the link partner indicating single-lane communications ability over copper cable. If the network port logic and link partner have a common single-lane communication ability, the link may be activated. The autonegotiation pages may be base pages or next pages. The single-lane communication ability may be indicated by one or more bits of the autonegotation pages. The link may be established at 1 gigabit or 10 gigabits per second. Other embodiments are described and claimed.
Multi-region virtual data center template
A facility for distributing a template recording a past state of a virtual computing environment is described. The facility accesses a list of physical data centers at which the template is to be available for immediate use to instantiate a new virtual computing environments. The facility causes the template to be stored at each physical data center on the list.
Processing multiple parallel high level configuration changes for managed network devices
In one example, a network management system (NMS) device manages a plurality of network devices. The NMS device includes a processor configured to determine a first set of differences between an existing high-level configuration for the plurality of network devices and a first received high-level configuration for the plurality of network devices, determine a second set of differences between the existing high-level configuration and a second received high-level configuration, wherein the second received high-level configuration is received separately from the first received high-level configuration, translate the first set of differences to a first low-level configuration modification, translate the second set of differences to a second low-level configuration modification, merge the first low-level configuration modification and the second low-level configuration modification, and apply the merged low-level configuration modification to low-level configuration of the plurality of network devices.
Reconfigurable server including a reconfigurable adapter device
Techniques for reconfiguring a server to perform various hardware functions are disclosed herein. In one embodiment, a server includes a reconfigurable adapter device, where the reconfigurable adapter device includes a reconfigurable resource that is reprogrammable to perform different hardware functions. The server can receive a provisioning request corresponding to a hardware function from a management service. The reconfigurable adapter device can configure the reconfigurable resource according to the hardware function and report the configured hardware function to the server. The reconfigurable resource can be reconfigured using firmware or emulation software.
Application-based configuration of network data capture by remote capture agents
The disclosed embodiments provide a method and system for facilitating the processing of network data. During operation, the system obtains, at a remote capture agent, configuration information for the remote capture agent from a configuration server over a network. Next, the system uses the configuration information to configure the generation of event data from network packets at the remote capture agent. Upon receiving an update to the configuration information from the configuration server, the system uses the update to reconfigure the generation of the event data by the remote capture agent during runtime of the remote capture agent.
Forwarding tables for virtual networking devices
Systems, methods, and non-transitory computer-readable storage media for forwarding tables for virtual networking devices. The system first identifies local virtual machines hosted on a local host connected to the system, the system having virtual tunneling capabilities. The system then generates a forwarding table for the system. Next, the system populates the forwarding table with local entries including bindings for the local virtual machines hosted on the local host and adds a default route in the forwarding table pointing to a default forwarder function, wherein the default route is configured to handle all non-local traffic relative to the system and the local host.
Address extraction of a cluster configuration inception point
An initial node deployment to form a cluster involves execution of program code to begin discovering other nodes on a LAN that will constitute the cluster. A node initially starts processes to obtain information to transition from an unconfigured state to a configured state. The nodes on the LAN can execute a discovery process that facilitates forming and configuring of the cluster, but the discovered information is confined within the LAN. This effectively blocks cluster configuration until someone locally connects to a host and retrieves a node address. To remove this obstacle, a node image can include program code to detect a compliant target device and extract to the target device an address of a discovered node that is valid for remote cluster configuration. The target device can then be used to convey the extracted address to allow commencement of cluster configuration remotely.
Configuration of server apparatus
A small-form programmable pluggable device 80 is used to establish communication between a configurable “bare-metal” server 50 having no existing configuration software installed, and a provisioning server 60 capable of downloading software to the configurable server 50 to allow the configurable server 50 to be configured to perform a specific function. The pluggable device carries sufficient programming to access the required software 63 and deliver it to the configurable server 50. This allows the configurable server to be delivered to its end-user before configuration, and configuration to be performed by the network operator in situ, but without a site visit, by delivery and plug-in of the small-form device 80, which is typically of a suitable size to be mailed.
Process control communication between a portable field maintenance tool and a process control instrument
A platform-to-platform communication architecture for a process control messaging service in a process control system or other industrial setting allows stationary and portable industrial computing units to communicate with each other, in one-to-one and one-to-many communications, and across networks, including isolated networks inside the process control system or industrial setting and external networks. A requesting industrial computing device platform generates a message for a destination, or responding, industrial computing device in the communication protocol of the destination platform, and wraps the message in a communication protocol of the process control messaging service. The communication architecture decodes the wrapped message into the communication protocol of the destination industrial computing device and forwards the decoded wrapped message to the destination. The communication architecture allows for a variety of communication services, including, but not limited to, instant/real-time peer-to-peer messaging, time synchronization, automatic data transfer with an asset management system, communication with field devices via an asset management system and large data transfers.
Containerized architecture to manage internet-connected devices
A containerized architecture to secure and manage Internet-connected devices, such as “Internet of Things” devices, is disclosed. In various embodiments, one or more containerized applications are run, e.g., on an Internet of Things gateway, subject to management by the management server. At least one of the containerized applications is a management agent configured to participate, subject to control of the management server, in management of one or more other of said containerized applications.
Network configuration access
The present disclosure includes: establishing, by a network management system (NMS), a network configuration protocol (NETCONF) configuration template library including a plurality of configuration templates, based on a network configuration protocol (NETCONF). Each configuration template includes a type of a network device which supports the NETCONF, transport layer protocols which are supported by the network device, and configuration parameters corresponding to each of the transport layer protocols to set up NETCONF sessions of the network device. In response to a network device joining the NMS, searching the NETCONF configuration template library to find a matching NETCONF configuration template which matches a type of the network device which has joined the NMS. Establishing a NETCONF session with the network device which has joined the NMS, based on a transport layer protocol and corresponding configuration parameters of the matching NETCONF configuration template.
System for processing streaming media service and method and network device thereof
A system for processing a streaming media service and a method and a network device thereof are provided. The system includes a network device and an encoder. The network device has an embedded streaming function module. The encoder includes two egress ports, where the two egress ports of the encoder are connected to an active input port and a standby input port of the network device respectively. The encoder is configured to: receive a streaming media service signal, encode the streaming media service signal to generate a streaming media service coded signal, and send the streaming media service coded signal to the network device. The network device is configured to receive, by using the embedded streaming function module through the active input port or the standby input port, a streaming media service coded signal sent by the encoder, and provide the streaming media service coded signal for a terminal.
Transceiving system using a joined linear orthogonal modulation
A transceiving system using a joined modulation alphabet A having a size M the symbols of which are distributed on a plurality N of orthogonal dimensions, the symbols carried by a dimension belonging to a linear sub-alphabet An having a size P, with M=NP. The transmitter performs a turbocoding of a block of information bits, the code words provided by the turbocoder being mapped to symbols of the joined modulation alphabet before modulating the signal to be transmitted. The receiver performs turbodecoding from the projection of the symbols received on the orthogonal dimensions of the alphabet.
Transmitting and receiving reference signals
There is provided mechanisms for transmitting reference signals. A method is performed by a first network device. The method comprises transmitting, in a single orthogonal frequency-division multiplexing (OFDM) symbol, a composite reference signal to a second network device. The composite reference signal is a time domain concatenation of at least a first reference signal and a last reference signal. The composite reference signal has a single cyclic prefix. The cyclic prefix is determined according to a last part of the single OFDM symbol. There is also provided mechanisms for receiving such reference signals.
Pilot design for OFDM systems with four transmit antennas
Pilot, preamble and midamble patterns are provided that are particularly suited for four transmit antenna OFDM systems. Pilots are inserted in a scattered manner for each of the four antennas, either uncoded, space-time coded in pairs, space-time frequency coded in pairs, or space-time-frequency coded.
Ka-band modulator and transmitter
The present invention relates to a high data rate Ka-band modulator and transmitter for space applications that functions on the entire NASA Space Network Return Link band of 25.25-27.75 GHz. The modulator is capable of quadrature phase-shift keying (QPSK) modulation and 8-PSK modulation. The transmitter can be designed to provide an adjustable drive to a traveling-wave tube amplifier (TWTA) or transmit power.
Receiver and wireless terminal for signal processing
A wireless terminal is provided that includes a first receiver that includes a first input unit configured to perform impedance matching on a first reception signal to output a first RF input signal. A first amplification unit is configured to amplify the first RF input signal to output one or more first RF output signals in an inter-band CA mode and an intra-band CA mode. A first output unit is configured to down-convert at least one of the one or more first RF output signals to a baseband. A second receiver includes a second output unit. In the intra-band CA mode, the one or more first RF output signals includes a first RF signal and a second RF signal, and the first amplification unit is further configured to provide the first output unit with the first RF signal and provide the second output unit with the second RF signal.
Modulation coding scheme (MCS) indication in LTE uplink
Methods, systems, and devices for indicating a modulation coding scheme (MCS) in LTE are described. A user equipment (UE) may receive downlink control information (DCI) from an evolved Node B (eNB) that includes an uplink grant of resources. The DCI may be configured and have a format that conveys an MCS table reference. The UE may identify the MCS table reference and, based on the reference, identify a legacy MCS table or a non-legacy MCS table. The legacy MCS table may be associated with quadrature amplitude modulation (QAM) up to a first order, and the non-legacy MCS table may be associated with QAM up to a second order, the second order being higher than the first order. The UE may modulate and code information for uplink transmissions using the identified MCS table.
Method and system for designing a waveform for data communication
Embodiments herein disclose a method and system for designing a waveform for data communication. The method includes applying, by a phase rotation applying unit, a constellation specific phase rotation between consecutive data symbols in a data stream to obtain a constellation rotated data stream. Further, the method includes introducing, by a frequency domain pulse shaping filter, an inter symbol interference (ISI) between modulated data symbols of the constellation rotated data stream, such that the ISI develops the waveform of the constellated rotated data stream to be transmitted.
Operation method of user equipment in relation to CSI-RS in wireless communication system and apparatus supporting the same
The present invention provides an operation method of an user equipment in relation to CSI-RS in a wireless communication system.Particularly, an operation method performed by a user equipment (UE) according to the present disclosure includes receiving a higher layer signaling including resource configuration information related to an aperiodic transmission of beamformed CSI-RS from a base station (BS); receiving a first DCI format including first control information indicating that there is an aperiodic transmission of the beamformed CSI-RS from the BS; measuring the beamformed CSI-RS based on the received resource configuration information; and reporting a measurement result of the beamformed CSI-RS to the BS.
Modular industrial automation appliance and method for transmitting messages via a backplane bus system of the modular industrial automation appliance
A modular industrial automation appliance having a backplane bus system, a plurality of functional modules connected to the backplane bus system that each include a communication network adapter, a functional unit for implementing a communication protocol stack and a bridge element linked to the communication network adapter, wherein a router module connected to the backplane bus system is provided that includes a communication network adapter, a functional unit for implementing a router communication protocol stack, where the functional unit is linked to the communication network adapter, and for each functional module a respective link element, and where in such a link element links the functional unit for implementing the router communication protocol stack to the bridge element of the respective functional module via the backplane bus system such that only the communication protocol stack of the router module includes routing functions.
Modifying an address to forward a packet to a service function
Some examples herein disclose identifying a service function chain based on a switch address from a packet. The examples disclose modifying the switch address to an address corresponding to a service function based on the identified service function chain. The examples also disclose forwarding the packet to the service function according to the modified switch address.
Stitching multi-domain LSPs in hierarchical SDN architecture
A method of establishing an end-to-end tunnel for a virtual network extending across multiple domains using a first network controller element managing a first domain is provided. The method includes receiving a request from a second network controller element managing the first network controller element for an intra-domain locally-learned tunnel identifier (LLTI), sending an instruction to an egress network element of the first domain to generate the intra-domain LLTI in accordance with the request, receiving the intra-domain LLTI from the egress network element in accordance with the instruction, and sending the intra-domain LLTI to an ingress network element of the first domain. A method of establishing an end-to-end tunnel for a virtual network extending across multiple domains using an inter-domain LLTI is provided.
WAN-span LAN (WSL) networking technology
Tools and technologies geographically extend local area networks by transparently inserting transmission of encapsulated local area network frames over wide area network connections. Some devices receive frames from a switch or other physically addressed device using layer 2 protocols, encapsulate them, and send them over a wide area network to a similar remote device which decapsulates the frames and forwards them using layer 2 protocols. Load balancing, quality of service, compression, encryption, and other packet processing may be performed on the encapsulated packets.
Service-specific, performance-based routing
Various implementations disclosed herein include systems, methods and apparatuses that involve a first device selecting a data tunnel for sending packets of a determined network traffic type to another device. For example, in some implementations, a method includes a first device receiving a first group of packets for forwarding to a second device. The method includes the first device retrieving packet-forwarding rules for forwarding the first group of packets, and selecting a first private network data tunnel from a plurality of private network data tunnels between the first device and the second device, for forwarding a first packet of the first group of packets, based on satisfaction of the retrieved packet-forwarding rules. A respective private network data tunnel is associated with a respective uplink of a plurality of uplinks of the first network device. The first private network data tunnel is associated with a first uplink of the first device.
Methods and systems for transmitting broadcast data
A method carried out by a first communication gateway for transmitting broadcast data. Broadcast data is first received through a first network interface. The first communication gateway determines whether the broadcast data satisfies at least one condition, and forwards the broadcast data through at least one tunnel and through a second network interface to a second communication gateway if the broadcast data satisfies the at least one condition. The broadcast data is encapsulated in at least one encapsulating packet and the at least one encapsulating packet is decapsulated by the second communication gateway in order to retrieve the broadcast data. The broadcast data is then distributed by the second communication gateway to a second network.
Bridging between differing communication buses
Communication between one communication bus having one set of characteristics and another communication bus having another set of characteristics is facilitated by a bridge coupling the two communication buses. The bridge includes a scoreboard to manage data communicated between the buses. In one particular example, the one communication bus is a Processor Local Bus (PLB6) and the other communication bus is an Application Specific Integrated Chip (ASIC) Interconnect Bus (AIB).
A dual-mode controller may include a communication interface between a handheld electronic device and subsystems on a computing bus or network. The dual-mode controller may operate in a “master mode” when a user directly manipulates the dual-mode controller to communicate with any subsystem(s). In this mode, the dual-mode controller may serve as a master controller and accesses and controls various subsystems on the bus or network (such as audio/visual subsystems, temperature control subsystems, alarm subsystems, sensors and transducers) as a master controller. In a slave mode, the interface may act as an adapter or interface between the handheld device and the subsystems.
Methods and devices of accessing wireless network
The present disclosure relates to methods and devices of accessing a wireless network. The method of accessing a wireless network in a first terminal device includes: detecting a target terminal device waiting access a target wireless network after the first terminal device accesses the target wireless network; generating a plurality of multicast addresses according to access information of the target wireless network; and sending a multicast packet to each of the plurality of multicast addresses, wherein the multicast packet is indicative of the access information and is received by the target terminal device so as to access the target wireless network.
Systems and methods for dynamically switching between unicast and multicast delivery of media content in a wireless network
Systems and methods for dynamically switching between unicast and multicast delivery of media content are disclosed. An exemplary method includes a user device 1) accessing, over a wireless network, a unicast stream carrying data representative of a media content program, 2) detecting, during the accessing of the unicast stream, an instruction to switch to a multicast stream carrying data representative of the media content program, and 3) switching, in response to the instruction, from the accessing of the unicast stream to accessing the multicast stream by way of the wireless network. Corresponding systems and methods are also disclosed.
Network conference management and arbitration via voice-capturing devices
Systems and methods are provided for managing a conference call with multiple voice-enabled and voice-capturing devices, such as smart speakers. Reproduced, duplicate voice commands can cause unexpected results in a conference call. The voice commands can be determined to be received from the same conference call. A voice command for a particular voice-enabled device can be selected based on an energy level of an audio signal, event data, time data, and/or user identification.
Host a conference call
Examples disclosed herein relate to a conference call host. Examples include to establishing, by a first computing system, a first secure connection to a second computing system via a wireless network in response to receiving a secure connection request from the second computing system; the first computing system and the second computing system are in physical proximity to each other. Examples include to provide an operating system session to the second computing system through the secure connection while the first computing system and the second computing system remain in physical proximity to each other; the operating system is stored on and executable by the first computing system. Examples include to provide a connection to a conferencing platform to the second computing system via the first secure connection, the conference call at least among the first computing system, the second computing system, and a remote user.
Access point cloud controller auto-discovery
Access point cloud controller auto-discovery is provided. An access point, in communication with other access points, receives data indicative of whether each of other access points are managed using a cloud controller or a local controller. When the data is indicative that at least one of the other access points is managed using the cloud controller, the access point is configured to be cloud-controller-managed. When the data is indicative that none of the other access points is managed using the cloud controller, and when the data is further indicative that at least one of the other access points is managed using the local controller, the access point is configured to be local-controller-managed.
Middleware system validation tool
A middleware system validation tool includes a retrieval engine, and a network component status engine. The retrieval engine retrieves a pre-change activity status before software is modified on a network component. The middleware system validation tool retrieves a post-change status after the software is modified and compares the pre-change status to the post-change status to determine whether the software modification was successful. The middleware system validation tool receives certification information from the network component that includes information for an SSL certificate to determine whether the SSL certificate is valid.
Storing and retrieving ciphertext in data storage
Storing and retrieving ciphertext in data storage can include determining a first ciphertext value for a first data chunk to be saved to a client-server data storage system using an encrypted chunk hash value associated with the first data chunk as an initial value, and storing the first data chunk on a server in the client-server data storage system in response to determining that the first ciphertext value is a unique ciphertext value. Also, storing and retrieving ciphertext in data storage can include decrypting a ciphertext value for a second data chunk received from a client in the client-server data storage system and based on an encrypted chunk hash value associated with the second data chunk, and sending the second data chunk to the client in response to determining that the decrypted ciphertext value corresponds to an original data chunk saved to the server by the client.
Methods for internet communication security
The present disclosure relates to network security software cooperatively configured on plural nodes to authenticate and authorize devices, applications, users, and data protocol in network communications by exchanging nonpublic identification codes, application identifiers, and data type identifiers via pre-established communication pathways and comparing against pre-established values to provide authorized communication and prevent compromised nodes from spreading malware to other nodes.
Personal digital key initialization and registration for secure transactions
A system and method provide efficient, secure, and highly reliable authentication for transaction processing and/or access control applications. A personal digital key (PDK) is programmed using a trusted programming device to initialize and/or register the PDK for use. In one embodiment, the initialization and registration processes are administered by a specialized trusted Notary to ensure the processes follow defined security procedures. In a biometric initialization, the programming device acquires a biometric input from a user and writes the biometric data to a tamperproof memory in the PDK. In registration, the Programmer communicates to one or more remote registries to create or update entries associated with the user PDK. Once initialized and registered, the PDK can be used for various levels of secure authentication processes.
Phase locked loop (PLL)-less millimeter wave power head
Embodiments of the disclosure relate to a phase locked loop (PLL)-less millimeter wave (mmWave) power head. The mmWave power head receives a multiplexed signal including a pilot signal at a base frequency and a communication signal at the IF frequency. The mmWave power head separates the pilot signal from the communication signal and multiplies the pilot signal to generate a local oscillator (LO) clock signal(s) at a harmonic frequency(ies) relative to the base frequency of the pilot signal. A selected LO clock signal is provided to a mixer circuit(s) for up and down conversions between the IF frequency and the mmWave carrier frequency. By eliminating the PLL frequency synthesizer from the mmWave power head, it is possible to avoid spur and coupling issues associated with collocating the PLL frequency synthesizer with an antenna front end module (FEM), thus helping to improve reliability and performance of the mmWave power head.
Clock phase adjustment using clock and data recovery scheme
Some embodiments include apparatus and methods using clock generation circuitry to generate a first clock signal and a second clock signal based on an input clock signal, the first and second clock signals having different phases, sampler circuitry to sample an input signal based on timing of the first and second clock signals and provide data information and error information associated with sampling of the input signal, a clock and data recovery unit to generate first control information based on the data information and the error information, and a phase error detection unit to generate second control information based on the data information and the error information, the clock generation circuitry to control timing of the input clock signal based on the first control information and to control timing of the first and second clock signals based on the second control information.
Wireless full-duplex system and method using sideband test signals
A full-duplex transceiver is provided with componentry and methods for cancellation of nonlinear self-interference signals. The transceiver is capable of receiving an incoming radio-frequency signal that includes both a desired radio-frequency signal component and a self-interference component caused by the transceiver's own radio-frequency transmission. The transceiver demodulates the incoming radio-frequency signal to generate a first demodulated signal. The transceiver combines an analog corrective signal with the first demodulated signal to generate a second demodulated signal with reduced self-interference. The transceiver processes the first and second demodulated signals to determine a desired incoming baseband signal and to determine nonlinear components of the self-interference signal, such as nonlinearities introduced by the transceiver's power amplifier.
Method and device for indicating number of bits
A method and device for indicating the number of bits are provided. In the method, a transmitting User Equipment (UE) and/or a network entity indicate the number k of effective indication bits in a bitmap sequence, the bitmap sequence indicates Physical Sidelink Shared Channel (PSSCH) subframes allocation, k includes one or multiple values, 1≤k≤N, and N is a bit length of the entire bitmap sequence.
Control signaling in a shared communication medium
Techniques for communication are disclosed. A method may include selecting from a subframe two or more resource elements for control signaling, wherein the subframe includes a plurality of symbol periods and each symbol period includes a plurality of resource elements, wherein the selected two or more resource elements are associated with a concurrent symbol period, and transmitting a resource allocation message to an access terminal, wherein the resource allocation message indicates that the selected two or more resource elements are allocated for control signaling.
Base station, user equipment for integrating multiple rats using carrier aggregation and methods thereof
A base station, for integrating multiple Radio Access Technologies (RATs) using Carrier Aggregation (CA) inlcudes a WAN MAC entity, an adapter and a WLAN entity. The adapter is connected to one of a plurality of HARQ buffers and receives DL WAN MPDUs stored in the HARQ buffer, and converts the DL WAN MPDUs into a pluarlity of DL WLAN MPDUs. The WLAN MAC entity is coupled to the adapter, receives the DL WLAN MPDUs, wherein the WAN MAC entity respectively transmit the DL WAN MPDUs through transport channels, and the WLAN MAC entity transmits the DL WLAN MPDUs to be time-aligned with the DL WAN MPDUs.
Method for transmitting uplink signals
A method for transmitting uplink signals, which include ACK/NACK signals, control signals other than the ACK/NACK signals, and data signals, is disclosed. The method comprises serially multiplexing the control signals and the data signals; sequentially mapping the multiplexed signals within a specific resource region in accordance with a time-first mapping method, the specific resource region including a plurality of symbols and a plurality of virtual subcarriers; and arranging the ACK/NACK signals at both symbols near symbols to which a reference signal of the plurality of symbols is transmitted. Thus, the uplink signals can be transmitted to improve receiving reliability of signals having high priority.
HARQ-ACK resource allocation and use for eIMTA
A downlink data transmission is performed in a downlink subframe. One or more resources are determined. The one or more resources are to be used for transmission or reception of error information for the received transmission in an uplink subframe based at least on an association set between one or more downlink or special subframes and an uplink subframe. The determined association set depends on a downlink reference configuration. The association set for each uplink subframe comprises a grouping of the downlink or special subframes into at least two groups. An association set is defined only for the subframes which are uplink subframes in a corresponding downlink reference configuration. The error information is transmitted or received using the determined one or more resources in the uplink subframe. Methods, apparatus, programs, and program products are disclosed.
Method, system and device for transmitting feedback information
The embodiments of the present application relate to the technical field of wireless communications, and in particular, to a method, system and device for transmitting feedback information, used for realizing simultaneous feedback of multi-carrier ACK/NACK and periodical CSI. The method for sending feedback information in the embodiments of the present application includes: user equipment determining a PUCCH resource corresponding to first feedback information in second feedback information periodical reporting subframes; the user equipment determining feedback information to be transmitted and including the first feedback information according to the determined PUCCH resource and transmitting same via the PUCCH resource corresponding to the first feedback information. Since the user equipment determines feedback information including first feedback information according to the PUCCH resource corresponding to the first feedback information in the second feedback information periodical reporting subframes and transmits same via the determined PUCCH resource, thus realizing simultaneous feedback of multi-carrier ACK/NACK and periodical CSI.
User equipment and methods for physical uplink control channel (PUCCH) resource allocation and communication
Embodiments of a User Equipment (UE), an Evolved Node-B (eNB), and methods for communication of uplink messages are generally described herein. The UE may receive, from an eNB, one or more downlink control messages that may indicate an allocation of PUCCH channel resources. The UE may transmit an uplink control message in at least a portion of the allocated PUCCH channel resources. When the PUCCH channel resources are allocated according to an edge configuration, the PUCCH channel resources may be restricted to a lower edge portion and an upper edge portion of the network channel resources. When the PUCCH channel resources are allocated according to a distributed configuration, the PUCCH channel resources may include one or more middle portions of the network channel resources. The middle portions may be exclusive to the lower edge and upper edge portions.
Efficient SRS resource indication methods
A method of identifying reference signal resources to be used in a transmission by a wireless device is disclosed. The method comprises a wireless device receiving signaling configuring the wireless device with a plurality of reference signal resource groups, each group comprising a plurality of reference signal resources. The wireless device subsequently receives an indication, in a control channel, of a selection of reference signal resources to be used. Each of the plurality of reference signal resources to be used is selected from a different one of the plurality of reference signal resource groups such that reference signal resources belonging to the same reference signal resource group are not selected for simultaneous use. A reference signal is then transmitted to a network node in the network using the indicated selection of reference signal resources.
Quantized K-resource element row-column interleaver
Certain aspects of the present disclosure provide a method for wireless communications in a wireless network via a radio access technology. The method generally includes determining dimensions of a matrix to be used for performing interleaving of modulated symbols carrying bits, from a plurality of code blocks, for mapping into bundles of resource elements, in an orthogonal frequency division multiplexed (OFDM) system, based, at least in part, on one of a ratio of a code block size to a number of bits to be mapped into each resource element or the number of bits to be mapped into each resource element, performing the interleaving of the modulated symbols, according to the matrix having the determined dimensions, and transmitting the interleaved modulated symbols in the wireless network via the radio access technology. Other aspects, embodiments, and features are also described and claimed.
Aggregated touchless wireless fronthaul
A method and apparatus are provided for wireless channel signals processing. An optical signal carrying an aggregated signal comprising a plurality of wireless channel signals is received over a single optical fiber link and converted into a digital signal and then processed to produce the plurality of wireless channel signals. The plurality of wireless channel signals in the aggregated signal are positioned in different non-overlapping frequency bands that span respective channel bandwidths (BWs), where a first channel BW of the respective channel BWs is different from a second channel BW of the respective channel BW.
Use of underutilized bandwidth via radio access resource sharing
Utilization of unused bandwidth or underused bandwidth via radio access resource sharing is disclosed. Unused bandwidth for a physical channel between a network device and a MU MIMO access point can be combined with bandwidth from another physical channel into a logical channel. The logical channel can have increased bandwidth over the constituent physical channels. Whereas MU MIMO technology can facilitate concurrent data transfer, a UE can communicate data across the several physical channels of the logical channel concurrently. Moreover, the different access point locations can provide spatial diversity such that the plurality of access points can function as a logical MU MIMO access point employing interference to selectively serve a UE location via the logical channel. Logical channels can also be predicted based on supplementary information that can comprise historical network resource usage and/or utilization data.
High throughput communication system
A high throughput communication apparatus which provides low frame error rates (FER). Error checking encoder and decoders which each comprise a plurality of short blocklength error checking encoders or decoders, respectively, in parallel, coupled through common incremental redundancy. Short-blocklength codes are utilized to achieve communication capacity with incremental redundancy. The system can transmit and decode a large number of short-blocklength codewords in parallel, while it delivers incremental redundancy, without feedback, only to the decoders that need incremental redundancy.
Method and apparatus of scheduling for device to device (D2D) communication
Exemplary embodiments provide a method and apparatus for supporting a device-to-device (D2D) communication between user equipments (UEs), the method including: generating, at an evolved NodeB (eNB), D2D scheduling assignment (D2D SA) grant; transmitting the generated D2D SA grant to a transmission (Tx) UE, the D2D SA grant enabling the Tx UE to transmit an SA to a reception (Rx) UE through a D2D communication; generating, at the eNB, a D2D data grant; transmitting the generated D2D data grant to the Tx UE, the D2D data grant enabling the Tx UE to transmit a Transport Block (TB) to the Rx UE; generating a separate grant for indicating data overriding; and transmitting the generated separate grant to the Tx UE, the separate grant enabling the Tx UE to transmit an overriding data to the Rx UE.
Proactive interference avoidance for access points
Systems, methods, and computer-readable media are provided for predicting presence of interfering signals on given wireless channel(s) on which an access point is operating and proactively implementing an interference avoidance process. In one aspect of the present disclosure, a method includes determining, by an access point operating according to a first wireless technology and at a first time, that interference from signals of a second technology will occur, at a second time that is later than the first time, on a channel on which the access point is currently operating; selecting, by the access point, an interference avoidance process based on a plurality of factors; and implementing, by the access point, the interference avoidance process such that at the second time the access point is not operating on one or more sub-channels spanning the channel on which the access point is currently operating.
Bidirectional optical communication with minimal guard band
A module, system and method adjusts a tunable filter to have an adjustable frequency response based on one of an outbound optical signal on a transmit channel and an inbound optical signal on a receive channel. The tunable filter is in an optical path of the outbound optical signal and in an optical path of the inbound optical signal. The transmit and the receive channels are configured as part of a channel plan of a bidirectional (bi-di) dense wavelength division multiplexing (DWDM) system.
Add/drop multiplexer, network system, transmission method, non-transitory computer readable medium, and management device
Provided is a wavelength path communication node device with no collision of wave lengths and routes, capable of outputting arbitrary wavelengths, and capable of outputting them to arbitrary routes. An add/drop multiplexer (11) includes a communication unit (101) that communicates an optical signal with at least one client device and at least one network and a control unit (102) that indicates a transfer destination of the optical signal according to an attribute of the received optical signal to the communication unit (101). The control unit (102) indicates an attenuation amount of the optical signal to the communication unit (101) for each connected device. When a connected device is changed, the control unit (102) instructs the communication unit (101) to change the attenuation amount. The communication unit (101) attenuates the optical signal with the attenuation amount indicated by the control unit (102) and transfers the attenuated optical signal to a transfer destination.
Controller, access node and aggregation node in a radio communication network
The present invention relates to a controller, an access node, an aggregation node and methods thereof in a radio communication network. The controller comprises: a processor configured to select a plurality of spreading codes that are non-orthogonal or short orthogonal, and a transmitter coupled with the processor. The transmitter is configured to notify at least one of an access node or an aggregation node of the plurality of spreading codes.
Communication system, communication system control method, transmission device, and reception device
A counter is synchronized with a counter within a communication device and measures, as a first count value, a timing before a PTP packet is input to a processing unit that performs processing on the PTP packet. A multiplexing unit multiplexes the first count value into the PTP packet. The counter measures, as a second count value, a timing when processing by a processing unit that performs processing on the PTP packet is completed. A count extraction unit extracts the first count value from the PTP packet. A modification unit modifies a correction field by calculating a modification value based on the second count value, the first count value, and a value of the correction field within the PTP packet, the value of the correction field indicating a total amount of delay in a relay device.
Multi-tier time-synchronization architecture
Devices and methods to design and use network interfaces compliant with time-synchronization protocols via a multi-tier architecture are provided. This architecture allows for independent development between circuitry related to the time-synchronization protocols and circuitry responsible for channel access, reducing redundancies in the design process.
Over-the-air measurements system as well as method for testing the over-the-air characteristics of a device under test
An over-the-air measurement system for testing the over-the-air characteristics of a device under test is described, comprising several antenna units for receiving and transmitting radio frequency signals, several remote radio units that convert radio frequency signals into digital signals or vice versa, and a baseband unit for generating and analyzing baseband signals. The baseband unit is connected to the remote radio units, the baseband unit having at least one physical layer control unit that is configured to adapt the over-the-air measurement system with regard to the physical layer. The several antenna units are connected to the remote radio units. Further, a method for testing the over-the-air characteristics of a device under test is described.
Adaptive communications focal plane array
Adaptive communications focal plane arrays that may be implemented in, e.g., a specially-configured camera that can be utilized to receive and/or process information in the form of optical beams are presented. A specialized focal plane array (FPA) having a plurality of optical detectors is utilized, where one or more optical detectors are suppressed such that data is not allowed to be output from the one or more suppressed optical detectors, and only a significantly smaller number or subset of optical detectors receiving optical beams are allowed to output data. In this way, the rate at which data is to be output by an adaptive communications FPA (ACFPA) can be significantly reduced.
Apparatus and methods for power efficient multi-format optical transmission
An apparatus for generating a processed optical signal includes a first laser configured to emit a first optical signal in response to a first drive signal. The first optical signal has a first phase shift depending on a first integrated amplitude of the first drive signal. The apparatus also includes a spectral-temporal filter, in optical communication with the first laser, to change a first spectral profile and a first temporal profile of the first optical pulse so as to generate the processed optical signal. Replacing a conventional continuous-wave (CW) laser and external modulation with filter-based modulation can achieve the same or better performance without high-fidelity low-noise input signals.
Optical transmission distortion compensation device, optical transmission distortion compensation method, and communication device
An I component compensation unit calculates an I component in which a distortion has been compensated, by forming a first polynomial expressing the distortion of the I component based on an I component and a Q component of a quadrature modulation signal and multiplying each term of the first polynomial by a first coefficient. A Q component compensation unit calculates a Q component in which a distortion has been compensated, by forming a second polynomial expressing the distortion of the Q component based on the I component and the Q component of the quadrature modulation signal and multiplying each term of the second polynomial by a second coefficient. A coefficient calculation unit calculates the first and second coefficients by comparing outputs of the I component compensation unit and the Q component compensation unit and a known signal.
Satellite system with networked gateways
A satellite system may have a constellation of communications satellites that provides services to users with electronic devices such as portable electronic devices and home/office equipment. The satellites may support communications between the electronic devices of the users and gateways. Each gateway may have satellite transceiver circuitry that transmits and receives satellite signals. Each gateway may also have an optical add-drop multiplexer coupled to a fiber ring and radio-frequency-over-fiber circuitry coupled between the satellite transceiver circuitry and the optical add-drop multiplexer. A metropolitan point-of-presence may be in communication with the fiber ring and may have modems for centrally processing communications (received and transmitted in an intermediate frequency) in the satellite system.
Distributed outdoor network apparatus and methods
Tools and techniques for providing robust wireless distribution of communications signals from a provider. Certain embodiments comprise one or more modular communications apparatuses. The modular communications apparatuses feature an enclosure which is, at least in part, transparent to radio frequencies. A modular communications apparatus also typically includes one or more communications radios or transmitter/receiver devices within the enclosure. The apparatus also includes at least one and possibly more than one antenna located within the enclosure along with wire or cable-based signal output apparatus.
Communications system, method for managing communications system, and controller
A communications system, a method for managing a communications system, and a controller, where the communications system includes a front-end device and a remote device, where the remote device includes at least one coaxial media converter (CMC), where each CMC includes a data over cable service interface specification (DOCSIS) processor supporting a broadband access service and an edge quadrature amplitude modulation (EQAM) processor supporting a video service, and the at least one CMC and the front-end device are connected using a digital fiber, and the front-end device includes a controller, where the controller is configured to manage the at least one CMC.
Lighting based authentication of a mobile electronic device
A Light Emitting Diode (LED) based illumination device authenticates a mobile electronics device on a lighting communications network. The mobile electronic device may request a communications link on the lighting communications network and detect modulated illumination light emitted from the LED based illumination device. The modulated light may include an optical code. The mobile electronic device may determine the optical code from the modulated illumination light and communicate an indication of the optical code to the LED based illumination device. The LED based illumination device may determine if the indication of the optical code is correct and provide, in response, a communication link to the mobile electronics device on the lighting communications network.
LED light broad band over power line communication system
An LED light and communication system is in communication with a broadband over power line communications system. The LED light and communication system includes at least one optical transceiver. The optical transceiver includes a light support having a plurality of light emitting diodes and at least one photodetector attached thereto, and a processor. The processor is in communication with the light emitting diodes and the at least one photodetector. The processor is constructed and arranged to generate a communication signal.
Raman amplifier system and method with integrated optical time domain reflectometer
An optical module includes an optical amplifier configured to amplify Wavelength Division Multiplexing (WDM) channels transmitted on a fiber; and an optical time domain reflectometer (OTDR) configured to transmit an OTDR signal on the fiber and detect a back-scattered signal based thereon to test the fiber, wherein a wavelength of the OTDR signal is one of i) between one or more wavelengths associated with the optical amplifier and one or more wavelengths associated with the WDM channels and ii) greater than the one or more wavelengths associated with the WDM channels, for in-service operation of the OTDR.
Methods and apparatus for predicting and monitoring performance of a coherent optical transceiver at various baud rates
In some embodiments, an apparatus includes an optical transceiver having a photo diode and a processor configured to be operatively coupled to the photo diode. The photo diode is configured to measure a set of receiver optical power (ROP) values at a set of baud rate values. The processor is configured to measure a set of bit error rate (BER) values of a digital modulated signal at the set of baud rate values. The processor is configured to determine an estimated optical signal noise ratio (OSNR) value at a baud rate value from the set of baud rate values based on the set of ROP values and the set of BER values. The processor is configured to send a signal indicating the estimated OSNR value at the baud rate value such that a planned route is selected to send data signals based on the estimated OSNR value.
Optical connector polarity and loss measurement using an integrating sphere-equipped optical measurement device
An integrating sphere-equipped optical measurement device and optical connector polarity and type identification and loss measurement are provided. The optical measurement device receives one or more optical signals that respectively emanate from one or more optical fibers of a plurality of optical fibers of an optical fiber cable. The optical measurement device determines one or more respective positions where the one or more optical signals impinged on a sensor. The optical measurement device determines based on the one or more positions, one or more receiving positions of the one or more optical signals, respectively. The optical measurement device determines a polarity of the optical fiber cable based on both the one or more receiving positions and one or more or transmitting positions of the one or more optical signals, respectively.
Reducing oscillation in a signal booster
Technology for a repeater is disclosed. The repeater can include one or more amplification and filtering signal paths. The repeater can include a controller. The controller can detect an oscillation in the repeater. The controller can reduce a gain in the repeater by a first amount to cease the oscillation in the repeater. The controller can reduce the gain in the repeater further by a second amount to create an oscillation margin. The controller can modify the gain in the repeater further by a third amount to create an offset to the oscillation margin.
Distributed duplexer configuration for blocking and linearity
A telecommunications system may be configured to improve linearity and blocking. In some aspects, the telecommunications system may include a duplexer for coupling a common port to a receive path and a transmit path. A distributed low-noise amplifier having two or more separate active devices (e.g., amplifiers) may be positioned in the receive path. A filtering element (e.g., a band-pass filter) may be positioned between the two or more separate active devices. A signal may be routed by the duplexer through the distributed low-noise amplifier. The filtering element may attenuate transmit signals in the receive path.
Methods and systems for controlling operation of satellite data units of an aircraft
In an example, a method for communicating over a satellite network is described. The method includes determining a first availability score for a first satellite data unit (SDU) of an aircraft based on first operational parameters comprising whether the first SDU is (i) reporting valid data, (ii) capable of providing data-link services, and (iii) capable of providing voice services, determining a second availability score for a second SDU of the aircraft based on second operational parameters comprising whether the second SDU is (i) reporting valid data, (ii) capable of providing data-link services, and (iii) capable of providing voice services, comparing the first availability score for the first SDU with the second availability score for the second SDU, and based on comparing the first availability score with the second availability score, controlling one of the first SDU and the second SDU to be an active SDU.
Mobile communication system
A mobile communication system comprises: a mobile platform (1) having a plurality of interfaces (2) to a respective plurality of mobile communication networks (6), and a router (5) for selectively connecting one or more communications devices (4) within the mobile platform (1) to one or more of the interfaces (2), for communication over the respective mobile communication networks (6); and a central core (10), common to each of the mobile communication networks (6), including a resource manager (11) arranged to allocate communication resources to the link interfaces (2); wherein the resource manager (11) is responsive to resource requests (S3) from the mobile platform (1) and to network conditions in the mobile communication networks (6).
Airborne cell tower system for wireless communications in remote and rural geographic areas
An airborne cell tower system for providing wireless communication in remote and sparsely populated areas provides wireless communication coverage in that region. The system 10 has an airborne cell tower unit assembly, where the assembly is airborne with the help of a helium balloon. Multiple units are positioned in an air region in a pattern to provide wireless coverage for a specified geographic region to provide wireless communication coverage in that region.
Method of determining doppler frequency transmission beam in wireless communication system and apparatus therefor
A method of receiving a signal, which is received by a receiving end in a wireless communication system, is disclosed in the present specification. The method includes the steps of calculating effective Doppler spread values of reception beam combinations, wherein each reception beam combination consists of two or more reception beams among a plurality of reception beams; selecting a first reception beam combination from the reception beam combinations using the effective Doppler spread values; and receiving the signal from a transmitting end using at least one reception beam included in the selected first reception beam combination.
Dynamic Selection of a receive antenna pattern
An access point that performs dynamic selection of an electronic-device-specific receive antenna pattern of an antenna for use when receiving a frame from an electronic device in a WLAN is described. In particular, during operation the access point may determine the receive antenna pattern of the antenna that is used when receiving the frame from the electronic device. Then, the access point may store, in memory, information that specifies the receive antenna pattern. Moreover, when the access point predicts that the electronic device will transmit a frame to the access point within a subsequent time interval, the access point may select the receive antenna pattern and may set an antenna pattern of the antenna to the receive antenna pattern. Next, the access point may receive the frame from the electronic device using the receive antenna pattern.
Method and device for removing self-interference in wireless access system supporting full duplex radio scheme
The present invention provides a method for removing a self-interference in a wireless access system supporting a full duplex radio (FDR) scheme, and devices for supporting the same. A method by which a transmission end removes self-interference in a wireless access system supporting an FDR scheme, according to one embodiment of the present invention, can comprise the steps of: transmitting two transmission signals by using two transmission antennas; receiving two reception signals by using two reception antennas; estimating a self-interference channel; and removing interference signals by considering the self-interference channel estimated from the reception signals. Here, the interference signals are the transmission signals which are inputted to the two reception antennas, the transmission signals and the reception signals are simultaneously transmitted and received through a resource region comprising the same time and frequency, and the two transmission antennas and the two reception antennas can be disposed on the transmission end in a diamond shape.
Dynamic overriding of control beam monitoring configuration
Methods, systems, and devices for wireless communication are described that support overriding a beam monitoring pattern for control channel transmissions based on channel conditions between a user equipment and a base station. A base station may select a beam monitoring pattern for transmitting control channel transmissions, which may include a pattern in which two or more beams are used for control channel transmissions. In the event that a first beam of the beams used in the beam monitoring pattern meets certain metrics, the use of one or more additional beams according to the beam monitoring pattern may be overridden and transmissions continued using the first beam. The metrics for continuing use of the first beam may include channel quality metrics, a number of consecutive successful transmissions using the first beam, one or more other metrics, or any combination thereof.
Channel state information feedback method and apparatus
The present disclosure relates to a 5G or pre-5G communication system for supporting a higher data transfer rate beyond a 4G communication system such as LTE. A method and an apparatus for transmitting and receiving channel state information are disclosed. The method comprises: a step of transmitting, to a terminal, a signaling message including first information indicating at least one precoding matrix which is applicable to a symbol vector to be transmitted; a step of transmitting, to the terminal, a channel status information-reference signal (CSI-RS) for the terminal; and a step of receiving channel state information including a channel quality indicator (CQI) which is calculated using the selected precoding matrix on the basis of second information from the terminal.
Method for controlling antenna and electronic device using the same
Various embodiments of the present disclosure relate to a device and a method for controlling a plurality of antennas in an electronic device. The electronic device may include: a plurality of antennas; a communication circuit configured to be connected with the plurality of antennas; and at least one processor, wherein the processor may be configured to: transmit a signal to an external device through one antenna among the plurality of antennas; detect a difference in reception performance between the antenna and each of at least one remaining antenna in response to occurrence of an event; and set one among the plurality of antennas as a transmitting antenna for the electronic device based on a threshold corresponding to an antenna characteristic of each of the at least one remaining antenna and the difference in reception performance. Other embodiments are possible.
A complex antenna for receiving and transmitting radio signals, includes four unit antennas, circularly arranged along a circle, for receiving and transmitting radio signals of a first frequency band; four side walls, respectively disposed between two adjacent unit antennas of the four unit antennas; and a plurality of side-wall antennas, disposed on the four side walls, for receiving and transmitting radio signals of a second frequency band.
Port-to-beam precoding to enable codebook based MU-MIMO operation in active antenna systems
A method for communicating with a plurality of communication devices (UEs) using a phased array antenna system including an array of antenna elements, the method involving: receiving a plurality of port signal streams, wherein the plurality of port signal streams was obtained by precoding a plurality of data streams, each data stream of the plurality of data streams intended for a different corresponding UE; and within the phased array antenna system, processing the plurality of port signal streams to (1) undo the precoding that was performed on the plurality of data streams, and (2) generate via the array of antenna elements a plurality of transmit beams, wherein each transmit beam is directed towards a corresponding different UE among the plurality of UEs and carries a corresponding transmit signal that is derived exclusively from the data stream among the plurality of data streams that is intended for that UE.
Method and apparatus for UE beamforming operation in a wireless communication system
A method and apparatus are disclosed from the perspective of a UE capable of performing UE beamforming. In one embodiment, the method includes the UE receiving a control signaling on a first set of UE beam(s). In addition, the method includes the UE receiving a data transmission scheduled by the control signaling on a second set of UE beam(s), wherein the UE receives the data transmission with a time delay after receiving the control signaling.
Distributed antenna system with dynamic capacity allocation and power adjustment
A distributed antenna system (DAS) includes host that receives downstream signals corresponding to radio frequency (RF) channel and remote antenna units (RAUs) communicatively coupled to host. Host communicates downstream transport signal derived from downstream signals received at host to RAUs. Each RAU uses downstream transport signal to generate downstream RF signal for radiation from antenna associated with RAU. Downstream RF signal comprises a subset of plurality of downstream frequency bands. Each RAU receives upstream RF signal including respective RF channel. Each RAU communicates upstream transport signal derived from upstream RF signal to host. Host uses upstream transport signal to generate upstream signal including at least one upstream frequency band. Host analyzes attribute of downstream and upstream transport signals associated with RAUs, correlates analyzed attribute for each RAU with profile, and determines current capacity usage of RAUs based on correlation. Host dynamically allocates capacity amongst RAUs based on current capacity usage.
Communication system, communication apparatus, method of controlling the same, and storage medium
A technique by which it is possible to prevent a user inputting mistake from occurring when writing, from a communication apparatus (communication terminal) to a wireless communication tag (NFC tag), connection information for connecting to a printing apparatus (image forming apparatus) is provided. The image forming apparatus converts connection information for connecting to the image forming apparatus by a WLAN scheme into a corresponding image pattern, and displays the image pattern on a display unit. A communication terminal photographs the image pattern displayed on the display unit by a camera. The communication terminal restores the corresponding connection information from the image pattern photographed by the camera, and generates NDEF data based on the restored connection information. The communication terminal writes the generated NDEF data to the NFC tag by NFC communication.
Method and apparatus of communication utilizing waveguide and wireless devices
Aspects of the subject disclosure may include, for example a communication device that includes first and second waveguide devices that provide communications via electromagnetic waves that propagate along a transmission medium without utilizing an electrical return path, where the electromagnetic waves are guided by the transmission medium. The communication device can include a housing supporting a first plurality of antennas and a second plurality of antennas. The communication device can include a support structure physically connecting the first and second waveguide devices with the housing. Other embodiments are disclosed.
Same-aperture any-frequency simultaneous transmit and receive communication system
A same-aperture any-frequency simultaneously transmit and receive (STAR) system includes a signal connector having a first port electrically coupled to an antenna, a second port electrically coupled to a transmit signal path, and a third port electrically coupled to receive signal path. The signal connector passes a transmit signal in the transmit signal path to the antenna and a receive signal in the receive signal path. A signal isolator is positioned in the transmit signal path to remove a residual portion of the receive signal from transmit signal path. An output of the signal isolator provides a portion of the transmit signal with the residual portion of the receive signal removed. A signal differencing device having a first input electrically coupled to the output of the signal isolator and a second input electrically coupled to the third port of the signal connector subtracts a portion of the transmit signal in the receive signal path thereby providing a more accurate receive signal.
V2X antenna systems
Disclosed are exemplary embodiments of V2X antenna systems. In an exemplary embodiment, a V2X antenna system comprises a coupler and a microcontroller. The coupler is operable for sensing radio frequency (RF) power and relaying the information to the microcontroller. The microcontroller is operable for controlling RF switches to selectively activate either a transmit path (Tx-path) or a receive path (Rx-path) based on the information from the coupler. The microcontroller may also be operable for controlling one or more attenuators to control attenuation of signals.
Antenna switching in a communication circuit
Aspects disclosed in the detailed description include antenna switching for a communication circuit. A communication circuit includes an antenna switching circuit that couples the communication circuit to a first antenna and/or a second antenna for radio frequency (RF) signal transmission and reception. The antenna switching circuit is configured to include fewer antenna switches compared to a conventional antenna switching circuit to reduce the cost and footprint of the communication circuit. Furthermore, by reducing the number of antenna switches in the antenna switching circuit, it is possible to improve RF isolation between the first antenna and the second antenna, thus leading to improved RF performance of the communication circuit.
Apparatus and methods for filter bypass for radio frequency front-ends
Apparatus and methods for filter bypass for radio frequency front-ends are provided. In certain configurations, a front-end system includes a low noise amplifier, a blocker filter, a plurality of switches configured to control connectivity of the blocker filter and the low noise amplifier in a signal path through the front-end system. The front-end system further includes a controller configured to control the plurality of switches to operate the front-end system in a selected mode chosen from a plurality of modes. The plurality of modes includes a first mode in which the blocker filter is before the low noise amplifier in the signal path, and a second mode in which the low noise amplifier is before the blocker filter in the signal path.
Device and method of verifying protective case usage
A device and method of verifying protective case usage, is described. The device includes one or more processors to drive an electromechanical transducer with an input signal. The electromechanical transducer generates an input force based on the input signal, and a sensor of the device generates a test output signal in response to the input force. The one or more processors determine, based on the test output signal, a level of verification that a protective case is mounted on the device. The determination can include determining whether the test output signal matches a predetermined impulse response signal indicative of an unprotected device or a protected device. A digital identification tag of the protective case can be read by a radio-frequency transceiver of the device to provide an additional level of verification that the protective case is mounted on the device. Other aspects are described and claimed.
Wearable device for transmitting a message comprising strings associated with a state of a user
A wearable device worn on a body of a user is provided. The wearable device includes a sensing unit configured to sense state information of the user, a touch input unit configured to receive a touch input from the user, a controller configured to select at least one of a plurality of strings based on the state information when the touch input is received, a display configured to display the selected at least one string, and a communicator configured to transmit a message including the at least one string to a receiver device.
Adjustable dynamic range signal detection circuit
A circuit includes a sensor configured to receive an input signal and to provide a sensor output signal in response to the received input signal. A plurality of mirror circuits are configured to receive the sensor output signal from the sensor and to generate mirror circuit output signals. The plurality of mirror circuits includes a first mirror circuit and at least a second mirror circuit. The first mirror circuit increases its respective mirror circuit output signal until its saturation value is reached. The second mirror circuit increases its respective mirror output signal if the sensor output signal is above a threshold value and until its saturation value is reached.
Crowd size estimation based on wireless signal absorption
Methods and devices for detecting wireless signal absorption using power sensing circuitry. One method includes receiving, by a receiving device having power sensing circuitry, a plurality of wireless signals from a plurality of transmitting devices. The power sensing circuitry may include a local oscillator, a mixer, and a band-pass filter. The method may also include detecting, by the power sensing circuitry, a plurality of power levels for the plurality of wireless signals, where each power level of the plurality of power levels corresponds one of the plurality of wireless signals. The method may further include analyzing, by one or more processors, the plurality of power levels to determine three characteristic power levels of the plurality of power levels. The method may further include calculating, by the one or more processors, an absorption amount based on the three characteristic power levels.
Power line communication method and device
Embodiments of the present invention disclose a power line communications device, and the power line communications device includes a USB interface, a protocol conversion module, a signal conversion module, a coupler, and a power line interface. A first end of the USB interface is connected to a first end of the protocol conversion module, a second end of the protocol conversion module is connected to a first end of the signal conversion module, a second end of the signal conversion module is connected to a first end of the coupler, and a second end of the coupler is connected to a first end of the power line interface. During implementation of the embodiments of the present invention, the USB interface may be used to provide a network signal for a terminal device.
System and method for unbalanced load handling with distributed erasure coding
A method for creating distributed erasure coding chunks in a distributed storage system with unbalanced load is disclosed. The operations comprise configuring the distributed storage system into at least k+m zones, wherein each zone accumulates at least l primary backup chunks of original data chunks replicated from different remote zones, and wherein l
Capacitor layout of digital-to-analog conversion integrated circuit
The present invention discloses a capacitor layout of a digital-to-analog conversion integrated circuit (DAC IC), comprising a first capacitor group, a second capacitor group and a third capacitor group. The first capacitor group, located within an interior layout area of the capacitor layout, determines a most significant bit (MSB) of the DAC IC and includes a plurality of capacitor units coupled between a first upper circuit and a first lower circuit. The second capacitor group, located within the interior layout area, determines a non-MSB bit of the DAC IC and includes at least one capacitor unit(s) coupled between a second upper circuit and a second lower circuit. The third capacitor group includes a plurality of capacitor units coupled between a third upper circuit and a third lower circuit which are not short-circuited; the capacitor units of the third capacitor group are disposed around the interior layout area.
Digital-to-analog converter and generation of high-bandwidth analog signals
A controlled switch having N inputs and a single output (N≥2) is switchable between N states. In each state a respective one of the inputs is connected to the single output. There are N sources of sub-streams of analog samples, each sub-stream composed of pairs of adjacent analog samples. Each source is coupled to a respective one of the inputs. In operation, the controlled switch is controlled by a control signal to switch between the N states. While the controlled switch is in any one of the states, a data transition occurs between two adjacent analog samples in the sub-stream whose source is coupled to the input that is connected to the single output. The single output yields the high-bandwidth analog signal. Any pair of adjacent analog samples in any one of the sub-streams substantially determines a corresponding pair of adjacent analog samples in the high-bandwidth analog signal.
Frequency locked loop with multi-bit sampler
The present disclosure relates to a frequency locked loop including a frequency detection unit, a local oscillator, and a multi-bit sampler. The frequency detection unit is configured to receive a reference frequency parameter and a sub-sampled frequency parameter, and configured to generate a digital frequency difference, which is a difference indication between the reference frequency parameter and the sub-sampled frequency parameter. The local oscillator is configured to generate an output signal based on the digital frequency difference. The multi-bit sampler is configured to update the sub-sampled frequency parameter by sub-sampling the output signal with N (N>=2) sampling-clocks. The N sampling-clocks have a same sampling frequency and are sequentially offset by an equal time delay between adjacent sampling-clocks. The updated sub-sampled frequency parameter monotonically maps an output frequency of the output signal.
Injection-locked digital bang-bang phase-locked loop with timing calibration
A phase-locked loop circuit is disclosed. The circuit includes a digital bang-bang phase-locked loop (PLL) electrically connected to an input clock signal connection and an output clock signal connection, and a down-sampling circuit connected to the input clock signal connection. The circuit also includes a digitally-controlled delay line receiving an output of the down-sampling circuit, and an injection pulser receiving an output of the digitally-controlled delay line and connected to provide an injection pulse to a portion of the digital bang-bang phase-locked loop (PLL). The circuit further includes an injection timing calibration circuit connected to a control input of the digitally-controlled delay line. The circuit provides calibration of injection timing and bandwidth optimization, thereby reducing jitter in an output signal from the PLL.
Integrated circuit applications using partial reconfiguration
Systems and methods for generating and deploying integrated circuit (IC) applications are provided. Partial reconfiguration functionality of an IC may be used to build reconfigurable application platforms that enable application execution on the IC. These apps may include partial reconfiguration bitstreams that allow ease of access to programming without cumbersome compilation via a set of complex tools. The apps may be acquired via a purchasing website or other mechanism, where the bitstreams may be downloaded to the IC, thus increasing usability of the IC as well providing addition revenue streams.
High voltage level shifter with short propagation delay
A lever shifter includes an output driver and a high-side gate driver. The high-side gate driver is configured to drive the high-side output transistor, and is coupled to an on pulse signal line that conducts an on pulse, and is coupled to an off pulse signal line that conducts an off pulse. The high-side gate driver includes a blocking circuit configured to enable generation of a drive signal to the high-side output transistor based on a voltage of a first of the on or off pulse signal line being greater than a first predetermined amount and a voltage of a second of the on or off signal line being less than a second predetermined amount.
High-voltage switching circuit, corresponding device and method
First and second comparators receive input signals of opposed polarities and drive operation of a switch in response thereto. A first current generator supplies a first current to the switch which, in response to the control of the first and second comparators, applies the first current, alternatively, to a first node or a second node. A second current generator sinks a second current from the first node and a third current generator sinks a third current from the second node. A logic circuit has inputs coupled to the first node and the second node, respectively, receives respective switching signals having fast switching wavefronts and delayed switching wavefronts. The output of logic circuit is configured for switching between a first state and a second state with switching between the first state and the second state triggered by the fast switching wavefronts of the respective switching signals.
Self-adjustable RF switch cell
An RF switch includes two or more coupled RF switch cells, each RF switch cell including a transistor having a first source/drain node, a second source/drain node, and a gate node, a first varactor is coupled between the first source/drain node and the gate node, and a second varactor is coupled between the second source/drain node and the gate node.
A signal indicating temperature of an IGBT chip, after input into an overheat detection terminal, is simultaneously input into a first comparator for protection operation and a second comparator for precaution. At a normal time when the chip temperature is low, a first transistor connected to an alarm signal output terminal via a resistor and a second transistor connected to the alarm signal output terminal via a Zener diode are turned off, and the alarm signal output terminal whose voltage is pulled up by an external pull-up circuit is set to high level voltage. When the second comparator detects a precaution condition, the second transistor is turned on, and the alarm signal output terminal is set to intermediate level voltage. When the first comparator detects chip overheat, the first transistor is turned on, and the alarm signal output terminal is set to low level voltage.
A semiconductor device includes a first circuit operating with a first potential as a reference potential and a second circuit operating with a second potential different from the first potential as a reference potential, able to reliably detect that a negative voltage is applied to the first circuit. The first circuit includes a current source. The current source supplies a current to the low side circuit, and changes the current in response to whether or not the first potential becomes a negative voltage with respect to the second potential. Also, the second circuit includes a negative voltage detection circuit. The negative voltage detection circuit monitors a change in the current supplied from the current source and detects that a negative voltage is applied to the high side circuit.
AFC/TXAGC PDM INL
Provided is a pulse density modulation value converter, comprising: a pulse density modulation reference point storage for storing a plurality of pulse density modulation reference points, each pulse density modulation reference point comprising a linear pulse density modulation value, an actual pulse density modulation value and/or an integral non-linear error value, wherein the integral non-linear error value is the difference between the actual pulse density modulation value and the linear pulse density modulation value; and a pulse density modulation value calculator for receiving a linear pulse density modulation value, searching the pulse density modulation reference point storage for a pair of pulse density modulation reference points closest to the linear pulse density modulation value, obtaining an actual pulse density modulation value corresponding to the linear pulse density modulation value through linear interpolation on the basis of the pair of pulse density modulation reference points, and outputting the actual pulse density modulation value.
Voltage comparing circuit and voltage comparing method
A temperature detecting circuit comprising: a comparator, comprising a first comparing terminal and a second comparing terminal; a time interval computing unit; a switch module, coupled to the first comparing terminal and the second comparing terminal, comprising a reference voltage terminal coupled to a reference voltage source, and comprising a first input terminal, a second input terminal and a third input terminal; a first current source, comprising a first charging terminal coupled to the first input terminal and the second input terminal; a first capacitor, coupled to the first current source at the first charging terminal; a capacitance adjusting unit, coupled to the first capacitor; a second current source, comprising a second charging terminal coupled to the third input terminal, wherein the second current source is a current source which provides a constant current; and a second capacitor, coupled to the second current source at the second charging terminal.
A signal calculator includes a capacitor and a variable current source. The variable current source charges the capacitor and generates a current corresponding to a predetermined voltage during a first period. A first voltage is generated using a voltage of the capacitor charged during an enable period of a first signal in the first period, and a second voltage is generated using a voltage of the capacitor charged during the first period. The variable current source further generates a current corresponding to the second voltage during a second period. A second signal is generated according to a result of comparing the first voltage with the voltage of the capacitor during the second period, and a fourth voltage is generated by generating and sampling a third voltage which is increased according to a first current during an enable period of the second signal in the second period.
Operation button and operation device
An operation button includes: a body that is in a tubular shape; a top which has a light-transmitting portion and which is attached to the body at its one end; a plurality of legs that are provided at the other end of the body at intervals from each other in the circumferential direction; and a flange arranged between the one end and the other end of the body.
Method of two-stage FRM filter
An improved design method of a two-stage FRM filter includes the following steps: constructing an improved two-stage FRM filter; calculating passband and stopband edge parameters of a prototype filter, passband and stopband edge parameters of a second-stage masking filter and passband and stopband edge parameters of a first-stage masking filter in Case A and Case B, respectively; calculating the complexity of the FRM filter according to the obtained parameters, and finding out one or more sets [M, P, Q] having the lowest complexity within a search range; and optimizing the improved FRM filter. The improved design method of a two-stage FRM filter has the following beneficial effect: as compared to a conventional design method of a two-stage FRM filter, the complexity of a narrow-band FIR (Finite Impulse Response) filter can be reduced through design using the improved method, and power consumption is thus reduced in hardware implementation.
Plate wave devices with wave confinement structures and fabrication methods
A micro-electrical-mechanical system (MEMS) guided wave device includes a single crystal piezoelectric layer and at least one guided wave confinement structure configured to confine a laterally excited wave in the single crystal piezoelectric layer. A bonded interface is provided between the single crystal piezoelectric layer and at least one underlying layer. A multi-frequency device includes first and second groups of electrodes arranged on or in different thickness regions of a single crystal piezoelectric layer, with at least one guided wave confinement structure. Segments of a segmented piezoelectric layer and a segmented layer of electrodes are substantially registered in a device including at least one guided wave confinement structure.
Perceptual power reduction system and method
A method of reducing power consumed by an audio playback system includes: receiving a signal from a digital audio interface; comparing a sound pressure level (SPL) response of a first frequency band of the signal to a total SPL response of the signal, the first frequency band including frequencies lower than a selected frequency; and attenuating signal components in the first frequency band of the signal based upon the comparison of the SPL response of the first frequency band of the signal to the total SPL response of the signal.
Controlling analogue gain using digital gain estimation
A gain control system for controlling gain applied to an audio signal includes a power estimator configured to estimate the power of a digital signal derived from the audio signal, a digital gain estimator configured to determine, in dependence on the estimated power, a digital gain which would modify the power of the digital signal so as to reach a target power level, and a gain controller configured to adjust an analog gain applied to the audio signal in dependence on the determined digital gain.
Phantom-powered audio pre-preamplifier with integrated transformer for musical instrument and microphone dual-selective signal gain
A novel phantom-powered inline preamplifier is configured to provide selective processing of a sound source signal by intelligently determining the need for a low or high impedance matching and transformer coupling, based on high fidelity requirements of a particular sound source signal. For example, the phantom-powered inline preamplifier can intelligently detect a microphone-originating sound source signal and automatically route the microphone-originating sound source signal to a low impedance matching circuit pathway that leads to a phantom-powered output terminal for an optimal hi-fidelity processing specific to the microphone-originating sound source signal. Likewise, the phantom-powered inline preamplifier can intelligently detect a musical instrument-originating sound source signal and automatically route the musical instrument-originating sound source signal to a high impedance matching circuit pathway and optionally couple to an instrument transformer, which leads to the phantom-powered output terminal for an optimal hi-fidelity processing specific to the musical instrument-originating sound source signal.
Differential amplifier with complementary unit structure
Certain aspects of the present disclosure generally relate to a differential amplifier implemented using a complementary metal-oxide-semiconductor (CMOS) structure. The differential amplifier generally includes a first pair of transistors and a second pair of transistors coupled to the first pair of transistors. The gates of the first pair of transistors and gates of the second pair of transistors may be coupled to respective differential input nodes of the differential amplifier, and drains of the first pair of transistors and drains of the second pair of transistors may be coupled to respective differential output nodes of the differential amplifier. In certain aspects, the differential amplifier may include a biasing transistor having a drain coupled to a source of a transistor of the first pair of transistors and having a gate coupled to a common-mode feedback (CMFB) path of the differential amplifier.
Mixer driver circuit with improved slew rate
A mixer device is disclosed, which is fabricated as a bipolar-complementary metal oxide semiconductor (BiCMOS) integrated circuit device, to provide improved linearity and dynamic range, at higher operating frequencies. A mixer device configured according to an embodiment includes a driver circuit comprising bipolar junction transistors (BJTs) to convert a local oscillator signal to a high slew-rate gate drive signal. The driver circuit is configured as a quasi-complementary driver employing NPN BJTs. The mixer device further includes a mixer circuit comprising CMOS field-effect transistors (FETs) configured to mix an input signal with the gate drive signal to generate an output signal through the application of the gate drive signal to the gate port of the CMOS FETs. The mixer device further includes a voltage biasing circuit to provide a biased body voltage to the FETs to allow overdriving to a negative voltage relative to the body voltage.
Architecture for voltage sharing between two oscillators
An electronic system comprises a first and a second oscillator that are mutually cross-coupled and have one and the same resonant frequency, each oscillator comprising an electrical resonator, an active cell having a negative small-signal resistance linked to the electrical resonator, an electric power supply terminal of the active cell, an output for an oscillation signal and a terminal for connection to a ground point, wherein: the electric power supply terminal of the second oscillator and the terminal for connection to a ground point of the first oscillator are linked to one and the same point, termed dynamic ground; and the system also comprises a differential amplifier forming, with the active cell of one of the oscillators, a feedback loop designed to keep the potential of the dynamic ground point at a constant level, dependent on the reference voltage.
Rotor temperature monitoring method and system for permanent magnet synchronous motor
A rotor temperature monitoring method and system for a permanent magnet synchronous motor are provided. According to the method and system, an a-phase line current and a b-phase line current of a stator of a permanent magnet synchronous motor are obtained as a first line current and a second line current; further, a line voltage between the a-phase and the b-phase of the stator is obtained and a rotating speed of the rotor of the permanent magnet synchronous motor is obtained; and then, the first line current, the second line current, the line voltage, the rotating speed of the rotor, an inductance parameter of the permanent magnet synchronous motor and a temperature characteristic equation of a permanent magnet of the rotor are substituted into a preset rotor permanent magnet temperature expression to calculate and obtain the temperature of the rotor.
Method for estimating service life of motor, motor control system, blower system, and multicopter system
A method for estimating a service life of a motor that is driven by variable duty cycle control. The method includes calculating an elapsed service life ratio representing a ratio of an elapsed service life to all service life according to the following formula to estimate the service life of the motor: L s = ∑ i ( t i L i × ( 1.5 ) m ) m = 40 - max ( 40 , K i ) 10 , where Ls represents the elapsed service life ratio, ti represents a driving time in a section i, Li represents a service life expectancy at a duty cycle Di in the section i and at an environmental temperature of the motor being 40° C., and Ki represents a temperature in the section i.
A driving device includes a motor, an inverter configured to drive the motor by switching a plurality of switching elements, and an electronic control unit configured to set voltage commands of phases according to temporary voltage commands of the phases based on a torque command of the motor and perform switching control of the switching elements by generating PWM signals for the switching elements by using the voltage commands of the phases and a carrier voltage. The electronic control unit is configured to switch a method of setting the voltage commands between a first method and a second method for each irregular time interval. The first method is a method of setting the voltage commands without superposing harmonics to the temporary voltage commands, and the second method is a method of setting the voltage commands by superposing the harmonics to the temporary voltage command.
Harmonic control of a converter
Provided is an arrangement for determining an operation parameter reference for controlling a generator side converter portion coupled to a generator, in particular of a wind turbine, the arrangement comprising: an arithmetic element configured to derive a fundamental current error by subtracting a, in particular unfiltered, generator output current from a sum of a fundamental current reference and at least one harmonic current reference; a fundamental current controller adapted to determine a fundamental operation parameter reference based on the fundamental current error; at least one other arithmetic element configured to derive at least one harmonic current error by subtracting a, in particular band pass filtered according to the harmonics, generator output current from the at least one harmonic current reference; at least one harmonic current controller configured to determine at least one harmonic operation parameter reference based on the harmonic current error.
Rotor position detection system
A rotor position detection system according to one embodiment includes a H bridge circuit, a current detection circuit, a time measurement circuit, a zero cross determination circuit, and a rotor position calculation circuit. The zero cross determination circuit calculates a zero cross position of the induced voltage of the motor based on a difference time calculated by the time measurement circuit. The rotor position calculation circuit calculates a rotor position of the motor based on the zero cross position of the induced voltage.
Motor control apparatus and motor drive apparatus
According to an embodiment, a motor control apparatus includes a current detecting unit that detects a motor current, a rotation position detecting unit that detects a rotation position of a rotor, a phase difference calculating unit that calculates first phase difference information between the motor current and the rotation position when a rotation speed of a motor is equal to or lower than a predetermined rotation speed and second phase difference information when the rotation speed of the motor exceeds the predetermined rotation speed, a storage unit that stores phase correction information based on the first phase difference information, a correcting unit that outputs a corrected rotation position signal and a drive unit that generates a drive signal to be output to the motor.
Efficient energy recovery in disk drive during power loss
A back electromotive force of a rotating motor is converted into a voltage for a load by driving, in accordance with a duty cycle, at least one switching circuit that couples the back electromotive force to a load through a rectifying circuit. An error signal is generated that is a difference between the load voltage and a reference voltage. The duty cycle is controlled as a function of the error signal to cause the load voltage to approach the reference voltage.
Regenerative braking system
A circuit for delivering electrical energy to an AC mains connection is disclosed. The circuit includes a voltage source and a switch connected between the voltage source and the AC mains connection. The switch operates to transfer current from the voltage source to the AC mains. The circuit further includes a controller to control the switch. The controller operates to generate a simulated signal that represents a waveform of the AC mains without any distortion present on the waveform of the AC mains.
A busbar arrangement for making electrical contact with a semiconductor module includes at least two busbars overlapping in an overlap region and electrically insulated from one another. Each busbar includes a web having a connection element, with the webs of the busbars being arranged without an overlap. The webs are oriented such as to define a first axis which runs through the connection element of an associated one of the webs and a point of a transition of the web to the overlap region of the busbar arrangement, and which intersects a second axis which is formed by a connection between two connection elements of the webs at an angle between 0° and 45°. The busbar arrangement includes an insulating region to reduce or prevent a current in the web in a direction perpendicular to the second axis. The overlap region and the webs are each located in one plane.
A direct current (DC)-DC converter includes: a transformer; a half bridge circuit provided on a primary side of the transformer; a synchronous rectification circuit provided on a secondary side of the transformer; and a controller configured to switch a power semiconductor device for rectification of the synchronous rectification circuit at a duty ratio and a phase corresponding to an input voltage of the half bridge circuit and an output current of the synchronous rectification circuit.
Switched mode power supply with dynamic frequency foldback
In one form, a switched mode power supply controller with frequency foldback includes a pulse width modulator responsive to a clock signal to generate a drive signal having a pulse width that varies in response to a feedback signal, and a variable frequency oscillator having a first input for receiving the feedback signal, a control input for receiving a control signal defining a foldback starting frequency, a foldback ending frequency, a foldback starting voltage, and a foldback ending voltage, and an output for providing the clock signal having a variable frequency that varies over a range between the foldback starting frequency and the foldback ending frequency as the feedback signal varies between the foldback starting voltage and the foldback ending voltage, respectively. The control signal is user programmable for at least one of the foldback starting frequency, the foldback ending frequency, the foldback starting voltage, and the foldback ending voltage.
Switch-timing in a switched-capacitor power converter
In a power converter, each gate-driving circuit uses charge from a selected pump capacitor operate a corresponding switch. The switches transitions between different states, each of which corresponds to a particular interconnection of pump capacitors. During clocked operations, the first switch closes, thereby establishing a connection with the first pump capacitor. Prior to the first switch closing, the second switch closes.
Switched capacitor DC-to-DC converter and power conversion control methods
A scalable controller circuit that provides faster and simpler regulation of a DC-to-DC converter is provided. Unlike such prior techniques, preferred embodiments do not require any threshold-level generation circuitry or analog compensation circuitry. Preferred embodiments implement a simple control law that requires only a few digital gates. Preferred embodiments can therefore significantly reduce the overhead power consumption and area of the controller in DC-to-DC converters to new levels.
Compensated active electro-magnetic interference filters
An active electromagnetic interference (EMI) filter includes an amplifier configured to sense noise signals on a power conductor, and drive a cancellation signal onto the power conductor. The cancellation signal is to reduce the amplitude of the noise signals. Some embodiments of the active EMI filter include a high frequency compensation network that improves the high frequency phase margin of the active EMI filter and improves the stability of the active EMI filter at high frequencies. Some embodiments of the active EMI filter include a low frequency compensation capacitor that increases the phase margin of the active EMI filter at low frequencies. Some embodiments of the active EMI filter include low frequency compensation circuitry that increases the low frequency tolerance of the active EMI filter.
Control circuit for power converter
In a control circuit for controlling a power converter that includes a switch, a power supply circuit outputs electrical power, and a command generator generates a switching command that controls switching operations of the switch, based on the electrical power output from the power supply circuit. A failure mode determiner executes a determination of whether which of failure modes has occurred in the power supply circuit, and outputs a result of the determination. A switch controller selectively executes, based on the result of the determination, a first switch control task and a second switch control task. The first switch control task forcibly shuts down the switch independently of the switching command, and the second switch control task enables the switching operations of the switch to be continuously controlled based on the switching command.
Method and apparatus for regulated AC-to-DC conversion with high power factor and low harmonic distortions
The present invention relates to methods and corresponding apparatus for AC to DC conversion, including 3-phase AC to DC conversion, with high power quality, for example, high power factor and low harmonic distortions. The invention further relates to methods and corresponding apparatus for regulation and control of said AC to DC conversion.
Adaptive control method for zero voltage switching
An adaptive control method for zero voltage switching belongs to the field of integrated circuit. In the present invention, the difference between the turn-on time of the power tube and the time of the lowest drain voltage of the power tube in the switching cycle is quantified by the reversible counter, and the quantized result is transmitted to the next switching cycle to adjust the turn-on time of the power tube through the final count result of the reversible counter, so that the power tube after being adjusted can be turned on when the drain voltage of the power tube is the lowest, thus reducing the switching loss. The present invention can adaptively turn on the power tube when the drain voltage of the power tube reaches minimum, thus, realizing the zero-voltage switching, reducing the switching loss of the switching power supply, widening the application range.
Permanent magnet speed governor having fixed magnetic gap
A permanent magnet speed governor having a fixed magnetic gap. The permanent magnet speed governor has an outer magnetic rotor connected to a drive shaft and an inner magnetic rotor connected to a driven shaft, at least one outer permanent magnet being evenly distributed along the circumferential direction of the inner circumferential surface of the outer magnetic rotor, at least one inner permanent magnet being evenly distributed along the circumferential direction of the outer circumferential surface of the inner magnetic rotor, two magnetic pole sides of the inner permanent magnet being respectively fixed to an iron yoke, another two sides each being provided with a magnetically conductive body, one end of the inner magnetic rotor being provided with a magnetic circuit regulator used for moving each magnetically conductive body along the axial direction. Adoption of the fixed magnetic gap structure reduces the difficulty of assembly.
Electric drive unit provided with drive outlets that are operable independently to each other
An electric motor unit includes a casing, a first electric motor and a second electric motor, housed within the casing, a drive shaft operatively connected to the first electric motor and a drive shaft operatively connected to the second electric motor, in which the drive shafts can be rotatably actuated in an independent way with respect to each other around a same rotational axis.
Method to manufacture improved exciter for an electrical generator
In a method to manufacture an improved exciter for a generator, the exciter comprising an exciter rotor, and an exciter stator, a coil of full hard cold rolled electrical steel is provided, the steel comprising at least silicon in a weight percent greater than 0.60%. Without a prior annealing of the full hard cold rolled steel coil, the coil is slit to create at least one strip. The at least one strip is stamped to create a plurality of rotor laminations and a plurality of stator laminations from the same strip. The rotor laminations are separated from the stator laminations and the set of rotor laminations and the set of stator laminations are created. Only the set of exciter rotor laminations are annealed. The annealed set of exciter rotor laminations are assembled to create the exciter rotor and the set of not annealed exciter stator laminations are assembled to create the exciter stator.
Vehicle-use rotating electric machine
A configuration of a rectifying device configuring a vehicle-use rotating electric machine is such that when a lead drawn out from a stator winding is inserted into a through hole of a rear bracket forming a casing, a periphery of the lead is enclosed, and the through hole sealed, by a tubular member extended from a main body portion of a terminal block, and the through hole not blocked by the tubular member is sealed by a stopper portion extended in the same way from a main body portion of the terminal block. Even when the number of leads drawn out is reduced, standardization of the rear bracket is carried out by the through hole (3a) of the rear bracket being sealed by the stopper portion.
Motor apparatus having improved connector unit
A motor apparatus provided with a connector unit (40) to which an external connector is connected, wherein the connector unit (40) has a plurality of conductive members (64, 65, 66) arranged over a base portion (50) and a connector connecting portion (70) provided with a plug-in hole in which the external connector is plugged, wherein the conductive members (64, 65, 66) respectively include connector-side connecting portions (64a, 65a, 66a) connected to the external connector so as to face the connector connecting portion (70) from a first direction reversed to a plug-in direction of the external connector to the plug-in hole and base-side connecting portions (64b, 65b, 66b) connected to terminals or wirings provided in the base portion (50), wherein the connector-side connecting portions (64a, 65a, 66a) are respectively inserted into a plurality of insertion holes (74, 75, 76) provided at positions different from each other in a second direction intersecting the first direction, and wherein the base-side connecting portions (64b, 65b, 66b) are respectively arranged at the same position in the second direction.
Some embodiments are directed to an electric motor that includes a stator including a plurality of circumferentially distributed drive elements for causing an electromagnetic driving force to be applied to a rotor of the electric motor in use. Each drive element includes a wire extending around a metal core to define a plurality of coils for magnetizing the metal core when current flows in the coils. At least one space exists between the metal core of each respective drive element and the coils around it. A cooling device is provided for transferring heat away from the drive elements. Each drive element further includes a heat conductor including a plurality of mutually electrically isolated metallic elements located in the or each respective space between the metal core thereof and the coils around it, for transferring heat from the coils to the cooling device.
Electric machine stator with liquid cooled teeth
A system for cooling the teeth of an electric machine stator. The stator includes a stator core that may be formed of a plurality of laminations. Each lamination has a plurality of back iron apertures, a plurality of tooth tip apertures, and a plurality of elongated apertures. When the laminations are assembled to form the stator core, the back iron apertures align to form back iron inlet channels and back iron outlet channels, and the tooth tip apertures align to form tooth tip cooling channels. The elongated apertures are L-shaped and connect the back iron inlet channels and back iron outlet channels to the tooth tip channels. Cooling fluid may flow, for example, axially through a back iron inlet channel, azimuthally and radially inward through an elongated aperture to a tooth tip, axially along a tooth tip channel, and to a back iron outlet channel through another elongated aperture.
Motor mounting device
A motor mounting device having a motor adapter that is formed substantially ring-shaped or pot-shaped and is used to receive a motor, and having a motor mount, which is used to hold the motor adapter, whereby elastic damping elements are disposed between the motor adapter and the motor mount, whereby the damping elements are formed as extruded profiles.
A motor is provided. The motor includes: a rotor; a stator inside which the rotor is rotatably disposed and including a plurality of teeth protruding toward the rotor; a plurality of insulating films disposed in respective slots formed between the plurality of teeth to insulate a coil wound around the plurality of teeth from the respective teeth; and insulating members covering upper and lower portions of the stator, respectively, wherein the plurality of insulating films are fixed by the plurality of teeth and the insulating members.
Electric motor, compressor including the same, and method of manufacturing electric motor
In an electric motor, an n-th layer of windings includes: a first winding portion wound from a radially outer side of the stator to a radially inner side of the stator so as to form a gap dimensioned to one pitch or more of the windings at a preset position; and a second winding portion wound from the radially inner side of the stator to the radially outer side of the stator in a continuous manner from the first winding portion so as to fill in the gap, the second winding portion crossing the first winding portion. The gap is formed at a position that is at an intermediate portion of the tooth in a stator radial direction and that is a position at which the windings switch from the n-th layer to an (n+1)th layer.
Electric machine with separable magnet carrier
The present disclosure is directed to an electric machine defining a longitudinal direction, a radial direction, and a circumferential direction, and an axial centerline defined along the longitudinal direction. The electric machine includes a rotor assembly that includes a plurality of carriers arranged along the circumferential direction. Each pair of carriers defines a carrier gap therebetween along the circumferential direction, and each carrier includes a rotor magnet. The rotor assembly further includes an outer ring radially outward of and surrounding the plurality of carriers along the circumferential direction, the outer ring defining a unitary structure.
A stator includes a yoke, teeth, insulating members, a first ribs, coils, annular members and adhesive bodies. The insulating members each have circumferential wall and a flange. The flange includes a plate wall. The first ribs protrude from the respective flanges. The coils each wound on the outsides of the circumferential wall and the first ribs of each of the teeth. The annular members close teeth distal end sides of cavities. A first hole and a second hole are provided in the plate wall. The turning passage contains varnish charged through the injection hole.
Wireless power transmitter and control method therefor
A wireless power transmitting device is provided. The wireless power transmitting device includes a patch antenna, and a transmission/reception processing circuit configured to output a first signal to the patch antenna during a first period, and process a second signal output from the patch antenna during a second period, wherein the patch antenna is configured to transmit a transmission wave using the first signal, and output the second signal to the transmission/reception processing circuit using a reception wave.
Power feeding device and contactless power feeding system provided with power feeding device
A power feeding device utilizing an electromagnetic resonance coupling method and a contactless power feeding system can be provided. A coupling coefficient of electromagnetic induction coupling in the power feeding device and/or the inside of a power receiving device is optimized to improve electric power transmission efficiency of a resonance frequency regardless of positions of the power feeding device and the power receiving device. Provided is a power feeding device or a contactless power feeding system in which an S11 parameter which is a reflection component of electric power output from a high-frequency power source of the power feeding device is monitored, and one or both of positions of a transmission coil and a first resonant coil in the power feeding device and positions of a reception coil and a second resonant coil in a power receiving device are changed to adjust a coupling coefficient of electromagnetic induction coupling.
Energy transmission apparatus and method
An apparatus and method for wirelessly transmitting electromagnetic energy are provided. The apparatus includes a power source, a transmission unit, and a measurement unit. The power source supplies a power according to a certain frequency. The transmission unit receives the power to wirelessly transmit the received power through self resonance. The measurement unit measures a phase difference between a voltage and current of the transmission unit. The certain frequency is controlled according to the phase difference. Accordingly, the apparatus and method control only the frequency of the power supply when a resonance frequency is changed by the change of an ambient environment, thus enhancing energy transmission efficiency.
Wireless power transfer using multiple coil arrays
In one embodiment of a wireless power transmitter, two coils are magnetically coupled together by placing both coils on a magnetic layer. A power circuit generates an AC signal of a defined voltage magnitude that causes a current to flow through the first coil, which generates a magnetic field having a first polarity. The second coil is coupled to the first coil. Current flows through the second coil and generates a magnetic field having a second polarity that is opposite from the first polarity. Because the magnetic field generated by each coil has a different polarity, the magnetic fields attract and form a strong magnetic field that flows from the first coil to the second coil. The strong magnetic field can transfer greater amounts of power to a receiver in comparison to coil configurations that emit magnetic fields in the same direction that repel one another.
Wireless transmitting device and wireless transmitting system
A wireless transmitting device 1 using electric power supplied from a power generating element 100 which can generate the electric power by utilizing mechanical energy externally applied includes an electric storage element 3 for storing the electric power generated by the power generating element 100; and a wireless transmitting unit 4 for performing a wireless transmitting operation with using the electric power supplied from the electric storage element 3. The wireless transmitting unit 4 is capable of setting a power consumption amount consumed at one time of the wireless transmitting operation. The wireless transmitting device 1 is configured to set timing when the wireless transmitting unit 4 consumes the electric power and the power consumption amount of the wireless transmitting unit 4 according to electromotive force of the power generating element 100.
Power saving device
A circuit for controlling a power supply is disclosed. The circuit has a storage element for storing energy harvested from energy sources, a backup battery, and a comparator to compare a voltage of the storage element to a reference voltage. The circuit also contains a first switch for selectively connecting the storage element to an output. A second switch connects the backup battery to the output. A switch control circuit controls the first switch to disconnect the storage element from the output and the second switch to connect the backup battery to the output, if the voltage of the storage element is below the reference voltage. The backup battery is disconnected from the output while the voltage of the storage element is below the reference voltage. The control circuit controls the second switch to disconnect the battery from the output while the voltage of the storage element is below the reference.
Battery charging method and electronic device
A method comprises providing power from a battery to an external device using a first circuit; and receiving power from a first power source to provide power to the battery using a second circuit while providing power to the external device.
Isolated bidirectional constant-current maintenance system based on power supply source of shared device
The present invention relates to an isolating two-way constant-current maintenance system based on a power supply of shared equipment, comprising a power supply, an electronic switch K1, a current sensor, a main battery management system controller, and a plurality of secondary battery management system controllers; wherein the power supply is connected with the current sensor; the current sensor is respectively connected with the electronic switch K1 and the main battery management system controller; the electronic switch is respectively connected with the main battery management system controller and the secondary battery management system controllers; the main battery management system controller is respectively in a communication connection with the plurality of secondary battery management system controllers; and each one of the secondary battery management system controllers is connected with a battery pack. The isolating two-way constant-current maintenance system based on a power supply of shared equipment has the advantages of small size, low cost, high power conversion efficiency, two-way and constant maintenance, and low requirements on the power supply. The system can quickly enhance the utilization rate of the battery and effectively prolong the service life of the battery pack.
Method and system for battery management
A battery management system is provided that controls at least a stack of battery cells. The battery management system may detect stack voltage and current. Characteristics of each battery cell in the stack may be monitored. The battery management system may detect ground fault within the stack of battery cells. Communication breakdown and/or failure in the battery management system may also be detected.
Method and system for charging multi-cell lithium-based battery packs
A method and system for charging multi-cell lithium-based batteries. In some aspects, a battery charger includes a housing, at least one terminal to electrically connect to a battery pack supported by the housing, and a controller operable to provide a charging current to the battery pack through the at least one terminal. The battery pack includes a plurality of lithium-based battery cells, with each battery cell of the plurality of battery cells having an individual state of charge. The controller is operable to control the charging current being supplied to the battery pack at least in part based on the individual state of charge of at least one battery cell.
Integrated multiple voltage energy storage system and method
An integrated multiple voltage battery system includes a first pair of output terminals, a second pair of output terminals, a plurality of first battery cells connected in series with each other and operatively connected to the first pair of output terminals, at least one second battery cell operatively connected to the second pair of outlet terminals, and a plurality of switches, the plurality of switches arranged such that each first battery cell in the plurality of first battery cells can be selectively placed in parallel with the at least one second battery cell while electrically isolating the other of the plurality of first battery cells from the at least one second battery cell, wherein each of the plurality of first battery cells has a nominal open cell voltage which is about the same as a nominal open cell voltage of the at least one second battery cell.
Multimode charging device and method
A charging device is configured to deliver power to a portable, power-consuming device, having a profile sensor which can detect information relating to the identity of power-consuming device to which the charging device is connected and may also have a communication channel configured to transmit said information to a remote server. In use, data can be collected or aggregated relating to power-consuming devices by connecting the charging device to the portable power-consuming device; sensing, by a profile sensor in the charging device, information relating to the identity of the power-consuming device; and transmitting the information to a remote server over a communication channel. Collected data may, for example, be used to identify when fuel for a charging device may need replenishment.
Power converter system for renewable energy sources
A converter system for interconnecting renewable energy sources with a DC distribution bus comprises a converter unit which comprises an isolated DC-to-DC converter connectable to the renewable energy source, and a non-isolated DC-to-DC converter connectable to the DC distribution bus, which is cascade connected with the isolated DC-to-DC converter.
Wide range power distribution systems and methods
Power distribution systems and methods for distributing power from at least one power source to a plurality of outputs that can differ in output power level. A controller monitors energy storage elements and controls a switch network to dynamically charge and discharge the energy storage elements while matching one or more desired output levels. The controller can dynamically direct the switch network to alter inputs and outputs, thereby changing the frequency and order in which energy storage elements are connected.
Power combiner systems and methods
Power combiner systems and methods for combining power from a number of power sources, which can differ in output power level, to at least one output. A controller monitors energy storage elements and controls a switch network to dynamically charge and discharge the energy storage elements while matching a desired output level. The controller can dynamically direct the switch network to alter inputs and outputs, thereby changing the frequency and order in which energy storage elements are connected.
Systems and methods for boost circuit compensator modules
A boost circuit compensator module enclosure is provided. The boost circuit compensator module enclosure includes an outer housing and a connection assembly. The outer housing includes a first end and a second end, the first end spaced apart from the second end along a first direction, wherein the second end defines a plane oriented at an angle relative to the first direction, and wherein the outer housing is configured to receive a plurality of boost circuit compensator modules. The connection assembly is coupled to the outer housing proximate the second end and includes at least one row. The at least one row includes a plurality of terminal bases, each terminal base electrically coupleable between a respective boost circuit compensator module and a plurality of transmission lines. Each terminal base includes two conductor receptacles and a longitudinal axis oriented obliquely relative to the plane defined by the second end.
Systems and methods for line voltage drop compensation
A controller for use in a line voltage drop compensation system is provided. The controller includes a processing device and a memory device coupled to the processing device. The controller is configured to determine a resistance of a power transmission line, the resistance of the power transmission line determined at least partially based on a plurality of characteristics of a load and the transmission line. The controller is also configured to generate a control signal to control an output voltage of a boost circuit, the output voltage determined at least partially based on the determined resistance of the power transmission line. The controller is further configured to transmit the control signal to the boost circuit to cause the boost circuit to generate an output voltage to compensate for the voltage drop.
Distributed electrostatic discharge protection for an on-package input/output architecture
An on-package interface. A first set of single-ended transmitter circuits on a first die. A first set of single-ended receiver circuits on a second die. The receiver circuits have a termination circuit comprising an inverter and a resistive feedback element. A plurality of conductive lines couple the first set of transmitter circuits and the first set of receiver circuits. The lengths of the plurality of conductive lines are matched.
Circuit and method for electrostatic discharge clamping
A circuit and a method for electrostatic discharge clamping are provided. The circuit includes a detection module, a control module, and a clamping module. The detection, control, and clamping modules are coupled with a first power line of a first power source and a second power line of the first power source. Third terminals of the detection, control and clamping modules are coupled to a first power line of a second power source, a voltage division terminal of the detection module, a fourth terminal of the control module respectively. According to an electrostatic discharge event on the first power line of the first power source, the division voltage terminal of the detection module provides a voltage to the control module. Then, the control module controls the clamping module to couple the first power line of the first power source to the second power line of the first power source.
Switching power supply and method of short-circuit-to-ground detection therefor
A switching power supply detects a short circuit to ground, for example, by comparing a soft-start voltage Vss with a feedback voltage Vfb while securing an offset voltage ΔV. The switching power supply includes, for example, a short-circuit-to-ground detection circuit which detects a short circuit to ground at a monitoring target terminal. When a short circuit to ground occurs for the first time, the output of the short-circuit-to-ground detection circuit is masked for a first period. When a short circuit to ground occurs for the second or any succeeding time, the output of the short-circuit-to-ground detection circuit is masked for a second period shorter than the first period.
Method of detecting arc events in a power system, and a power system including an arc detector
Power systems having a DC content, such as photovoltaic (solar) panels present a problem if an arc fault appears because of a small break in a cable. The present disclosure describes an arc fault detection system that captures data in segments, examines the frequency spectrum to remove ‘false arc’ signatures and interference from a power converter of the power system, and then examines the cleaned frequency spectrum for arc events.
Conductor spacer assembly with locking feature
Conductor spacer assemblies are disclosed that can be easily and rapidly clamped to parallel electrical conductors suspended between supports, and that can be easily and rapidly secured together with an automatically actuated fastener assembly. The conductor spacer assembly includes an upper spacer body that is coupled to a lower spacer body and an automatically actuated fastener assembly that facilitates quick and safe installation of the conductor spacer assemblies.
Methods for spacing conductors using a geared spacer assembly
A method of spacing conductors includes positioning a conductor between a first clamping body and a second clamping body. A fastener received by the first and second clamping bodies is rotated in a first direction causing a first set of teeth associated with the fastener to engage a second set of teeth associated with the first clamping body to move the first clamping body toward the conductor.
Non-conductive shield for distribution boards
A distribution board shield. The distribution board shield includes a drape formed of an elongated non-conductive material having a top end, a bottom end, a rear surface and a front surface. A connector is used to attach the drape within a distribution panel box so that the drape covers exposed bar buses, breaker busses and wires within the working area.
Three-color light source
A three-color light source 1 is a three-color light source that combines red, green, and blue laser light so as to output light. The three-color light source 1 includes a red LD 11, a green LD 12, a blue LD 13, a first collimator lens 61, a second collimator lens 62, a third collimator lens 63, a first wavelength filter 81, a second wavelength filter 82, a carrier 30 that is equipped with the LDs 11 to 13, the collimator lenses 61 to 63, and the wavelength filters 81 and 82, and a TEC 40 that is equipped with the carrier 30. The red LD 11 is formed of a GaAs-based material, and the green LD 12 and the blue LD 13 are formed of GaN-based materials.
Plasmonic mode III-V laser as on-chip light source
A plasmonic light source includes a substrate and a square nano-cavity formed on the substrate. The nano-cavity includes a quantum well structure. The quantum well structure includes III-V materials. A plasmonic metal is formed as an electrode on the square nano-cavity and is configured to excite surface plasmons with the quantum well structure to generate light. Complementary metal oxide semiconductor (CMOS) devices are formed on the substrate.
Optical semiconductor device
An optical semiconductor device includes: an n-type semiconductor substrate; an n-type cladding layer provided on the n-type semiconductor substrate; an active layer of a semiconductor laser provided on the n-type cladding layer; a waveguide layer of a waveguide provided on the n-type cladding layer and having a side facing a side of the active layer; a p-type cladding layer provided on the active layer and the waveguide layer; and a middle layer provided between the side of the active layer and the side of the waveguide layer, provided between the n-type cladding layer and the waveguide layer, not provided on the active layer, and having a band gap greater than a band gap of the waveguide layer.
Solid-state laser device, solid-state laser system, and laser device for exposure device
A solid state laser device includes a seed laser that outputs continuous wave laser seed light, a light intensity changeable unit that changes a light intensity thereof and outputs seed pulse light, a CW excitation laser that outputs continuous wave excitation light, an amplifier that amplifies the seed pulse light and outputs amplified light based on an amplification gain increased by the excitation light, a wavelength conversion unit that converts a wavelength of the amplified light and outputs harmonic light, and a light intensity control unit that allows the light intensity changeable unit to output the seed pulse light after a certain time elapsed from an input of an external trigger signal each time the signal is input and output suppression light that suppresses an increase of the amplification gain in a period after an output of the seed pulse light until an input of a next external trigger signal.
Infrastructure for mobile devices and electronic loose equipment
A new infrastructure for mobile devices and electronic loose equipment, preferably an aircraft infrastructure, is designed to be deployed for both new production aircraft and the after-market installed base for all parts of the aircraft that have human interaction, such as the galley, cockpit or cabin. The architecture is designed around two main objectives: creating stylized and functional products with flexibility in design and providing reliability and maintainability for operators while integrating power and charging mediums to those devices. This architecture is composed of several elements that as a whole complete our new architecture for mobile devices and electronic loose equipment design.
Thermally efficient connector system
A connector assembly can be provided. A receptacle includes terminals that can be positioned in a card slot on a 0.60 mm pitch (or greater). A biasing element can be provided in the card slot to engage a mating paddle card. The receptacle can be configured to allow air to flow from a front face to a rear face, the air passing through a middle wall. A plug assembly can be provided that includes a conductive body and is configured to generate some amount of heat. The body can include a surface that has cooling grooves. The cooling grooves allow air flow over the plug assembly so that the plug assembly can be cooled directly.
Electronic unit attaching structure
An electronic unit attaching structure includes an electronic unit (30) having a plurality of connector connection portions (33, 34) and an electronic unit attachment (20) having a plurality of connectors (C1, C2) correspond to the plurality of the connector connection portions. The electronic unit attaching structure is configured to allow first connection and second connection in this order when the electronic unit (30) is attached to the electronic unit attachment (20). The first connection is a connection of first part (C2) of the plurality of the connectors with first part (34) of the plurality of the connector connection portions. The second connection is a connection of second part (C1) of the plurality of the connectors with second part (33) of the plurality of the connector connection portions.
Connector for a coaxial cable
A coaxial cable connector for attachment to an end of a coaxial cable is disclosed. The coaxial cable connector has a body having a forward end and a rearward end. An internal surface extends between the forward end and the rearward end defining a longitudinal opening and with a cable receiving area proximal the rearward end and a jacket stop proximal the forward end. A post is positioned in the body proximal the forward end and has a first end and a second end with a bore extending therebetween. An insulator is movably disposed in the bore of the post and has a through-passage and a movement limiter. A gripping member is disposed within the longitudinal opening of the body proximal the rearward end and provides a gripping action as the gripping member axially moves toward the forward end of the body.
Integrated protector for a connector
Connector receptacles having protective doors. A protective door can block a card, module, or connector insert from being inserted at an oblique angle to protect contacts in a connector receptacle from damage due to an improper insertion. The protective door can normally be closed in the absence of a card inserted in the connector receptacle. The door can be a front of a cam. A spring or magnet can bias the door in the closed position when no card is inserted. The door can be arranged to stay closed when a card is inserted at an oblique angle. When the card is inserted properly, the cam can rotate about an axis and the door can open allowing the card to access to the contacts of the connector receptacle. A second door in front of the protective door can be included to provide enhanced functionality and to provide a more uniform appearance.
A power socket includes a main body and a latch member. The main body includes a connection seat, a receiving recess and a latching slot. The connection seat is disposed within the receiving recess and configured to electrically connect with a plug passing, when the power plug is fitted in the receiving recess along a first direction. The latching slot is in communication with the receiving recess. The latch member includes an arm slidable along the latching slot from a first position to a second position along a second direction. The arm includes at least one protrusion configured to slide into the receiving recess for engaging with a lateral wall of the power plug when the arm slides towards the second position.
Cable retention system for power distribution unit
A cable retention system for a power distribution unit includes a tether and a tether mount. The tether has an elongate portion and an attachment portion, and the attachment portion includes a channel therein. The tether mount has a base at a proximal end and a head at a distal end. The base is adapted to attach the proximal end of the tether mount to the power distribution unit. The tether is adapted to be secured to the tether mount by snap-fitting the head of the tether mount into the channel of the attachment portion.
Feeder-cover structure and semiconductor production apparatus
A feeder-cover structure includes a power feeder including a socket and a plug fitted together, a cover structure that covers and seals the power feeder, and a supply mechanism that supplies dry air or an inert gas into the cover structure. A gap is formed between the power feeder and the cover structure such that the dry air or the inert gas is supplied through the gap into the cover structure.
Housing and connector
In a connector including: a plurality of contacts each making connection by sandwiching a connecting member; and a housing in which the contacts are to be accommodated, the housing includes a housing body in which the contacts are to be accommodated, and an operating portion that moves the contacts such that the contacts perform sandwiching, and, in a case where the contacts sandwich the connecting member, a portion in which the housing body and the operating portion are connected together is cut off when the operating portion is operated.
Connector, electric wire with connector, and medical device sensor
Provided is a connector including a connector terminal to which a mating terminal pin is connected and a connector housing configured to house the connector terminal therein. The connector housing has a tubular inner surface surrounding the connector terminal. The connector terminal includes elastic contact pieces arranged at intervals around a central axis of the tubular inner surface. Each elastic contact piece includes a contact portion extending along the central axis and being curved and a distal end portion located outward in a direction orthogonal to the central axis of the contact portion. The contact portion, when subjected to a pressing force from the mating terminal pin toward the tubular inner surface, is shaped into a flat form as a result of the distal end portion moving along the tubular inner surface. Also provided are an electric wire with the connector and a medical device sensor.
Multiple piece contact for an electrical connector
An electrical connector contact has a body for receiving a conductor and for receiving a male pin contact. A spring is configured for engaging the pin contact and includes a plurality of spring fingers positioned for forming a bore with the spring fingers bent radially inwardly and configured for securing a pin in engagement with the body. A sleeve is configured for engaging the body to overlie the spring. Indentations are formed in the body at discrete positions around the body and extend radially inwardly into the pin section. The spring includes tongues extending radially inwardly and configured for extending into the indentations for securing the spring with the body.
To prevent damage from being caused in a movable piece caused by inclination of the movable housing of a floating connector. Providing an inclined piece portion in a movable piece of a plug terminal of a plug connector from a middle side to an outer edge side of a bottom wall portion of a movable housing, the inclined piece portion obliquely extending so as to gradually be distanced away form a substrate. Since the inclined piece portion is distanced away from the substrate by the amount of inclination of the inclined piece portion when the movable housing is inclined, a risk of the movable piece impinging against the substrate can be reduced.
The pocket connector of the invention has been manufactured of a substrate, which is preferably flexible in at least one direction, of which three parts have been prepared, which are bent or assembled from three parts and joined together superimposed so that at least two opposite sides of the pocket connector have coupling apertures. Two flat cables or a connector for a flexible circuit board is connectable to these coupling apertures.
Memory card and electronic apparatus including the same
A memory card includes a substrate, first row terminals and second row terminals. The substrate has a first pair of side edges extending in a first direction and a second pair of side edges extending in a second direction perpendicular to the first direction. The first row terminals are arranged adjacent to an insertion side edge of the substrate, the first row terminals including a first power terminal, the insertion side edge being one of the first pair of side edges. The second row terminals are arranged further from the insertion side edge than the first row terminals, the second row terminals including a second power terminal. At least one terminal among the first and second row terminals includes a recess area in an exposed surface of the at least one terminal.
Coupling device providing electrical continuity between tubes
A connection device for connecting together electrically-conductive tubes, the device comprising a body (1) defining a channel (2) having two end segments, each arranged to receive an end of one of the tubes. Each end segment (3) is provided with an annular recess (5) provided with a flank (8) facing towards the inlet of said end segment (3). The device comprises at least one elastically deformable electrical conductor element (9) having ends bearing against said flanks (8) and an intermediate portion (13) extending into the channel (2) in order to provide electrical continuity between the two tube ends.
Device for holding and bringing into electrical contact conductors
The invention relates to a device for holding in position and placing in electrical contact (5) for a connection terminal of an electrical apparatus (1), arranged to hold in position and place in electrical contact at least two electrical conductors (7a, 7b), the device (5) comprising: a first retaining element (9a) having a first engagement portion (19a) arranged to engage, in a retailing position, with a first electrical conductor (7a); a second retaining element (9b) having a second engagement portion (19b) arranged to engage, in a retaining position, with a second electrical conductor (7b); and a clamping point (23) defined at least partially in the retaining position by the first engagement portion (19a) and the second engagement portion (19b).
Method of making a litz wire solder termination
A method for litz wire termination includes placing a ferrule over exposed conductors on an end of litz wire. The exposed conductors include a portion of the litz wire without an external insulation layer, and a portion at the end of the litz wire protrude past the ferrule. The method includes crimping the ferrule to the litz wire and placing the end of the litz wire with the ferrule in molten solder past the end of the ferrule. The method includes maintaining the litz wire in the molten solder until insulation on conductors of the litz wire is removed from the conductors in the molten solder and solder bonds to the conductors that are within in the molten solder. The method includes removing the litz wire from the molten solder and allowing the litz wire to cool until molten solder bonded to the conductors transitions to a solid state.
Terminal fitting with hood
An electrical terminal fitting includes a body and a hood. The body is formed from a first material and includes a connection section and a contacting section with the contacting section having a flexible contact beam and stiffening beam for receiving a male pin of a mating terminal. The hood is formed from a second material having a higher tensile strength than the first material and is secured to the body. The hood includes a rib having tapered ends and a locking beam that engages a housing to secure the terminal. The locking beam further includes a stop having a rounded end.
Dual antenna systems with variable polarization
Antenna systems for receiving transmitted signals comprising at least a first tuned antenna disposed in a known relationship spatially with a second antenna, with the first tuned antenna electrically connected to the second antenna, are disclosed. The antenna system may be configured to allow the antennas to reliably discriminate between left-hand and right-hand polarized circular signals.
Electromagnetic signal focusing structures
Embodiments discussed herein refer to systems and structures for focusing dispersal of electromagnetic signals. Focusing of the electromagnetic signals is achieved by a reflective lens that is constructed from several extremely high frequency focusing layers. Each focusing layer can include an extremely high frequency focusing window that, collectively, define the geometry of a cavity backed reflective lens and its ability to focus electromagnetic signal dispersion.
Guided-wave transmission device with non-fundamental mode propagation and methods for use therewith
Aspects of the subject disclosure may include, for example, a transmission device that includes a transmitter that generates a first electromagnetic wave to convey data. A coupler couples the first electromagnetic wave to a single wire transmission medium having an outer surface, to forming a second electromagnetic wave that is guided to propagate along the outer surface of the single wire transmission medium via at least one guided wave mode that includes an asymmetric or non-fundamental mode having a lower cutoff frequency. A carrier frequency of the second electromagnetic wave is selected to be within a limited range of the lower cutoff frequency, so that a majority of the electric field is concentrated within a distance from the outer surface that is less than half the largest cross sectional dimension of the single wire transmission medium, and/or to reduce propagation loss. Other embodiments are disclosed.
Exponentially tapered slot antenna and assembly
An exponentially tapered slot antenna assembly includes a plurality of antenna panels arranged together in a general box-like configuration. At each corner of the box-like configuration, a capacitive load panel is in operative electrical communication with orthogonal pairs of antenna panels. Each antenna panel defines an inner and outer surface and has an electromagnetic interference shielding material positioned thereon. The shielding material positioned may be positioned near a first or upper edge of each antenna panel of the assembly. It has been empirically determined that this configuration enables an operational bandwidth that is greater than 5:1 and a voltage standing wave ratio that is less than 3:1 over the 5:1 bandwidth.
Broadband multiple layer dielectric resonator antenna and method of making the same
A dielectric resonator antenna (DRA) includes: an electrically conductive ground structure; a plurality of volumes of dielectric materials disposed on the ground structure comprising N volumes, N being an integer equal to or greater than 3, disposed to form successive and sequential layered volumes V(i), i being an integer from 1 to N, wherein volume V(1) forms an innermost volume, wherein a successive volume V(i+1) forms a layered shell disposed over and at least partially embedding volume V(i), wherein volume V(N) at least partially embeds all volumes V(1) to V(N−1); and a signal feed disposed and structured to be electromagnetically coupled to one or more of the plurality of volumes of dielectric materials.
Disclosed herein is a wiring component that includes a base material and a planar coil pattern formed on the base material. The planar coil pattern includes a coil wiring portion having one end, other end, and first to third connecting positions, the second connecting position being closer to the other end compared with the first connecting position, the third connecting position being closer to the one end compared with the second connecting position; a power-feed wiring portion connected to the first connecting position; and a connection wiring portion that short-circuits the second connecting position and the third connecting position. A cross-section structure of the planar coil pattern has a base resin layer formed on the base material, and a conductive layer formed on the base resin layer.
An electronic apparatus capable of reducing SAR and, simultaneously, suppressing degradation of antenna efficiency is provided. To that end, an electronic apparatus includes a first temple to be positioned on one side of the user's head when the electronic apparatus is worn on the user's head, a second temple to be positioned on the other side of the user's head when the electronic apparatus is worn on the user's head, an first antenna formed in the first temple, an second antenna formed in the second temple, and a transceiver circuit for supplying power to the first antenna and the second antenna.
Multi ret actuator having a relay configuration with positioning and driving motors
An actuator assembly for adjusting attributes of an antenna array. The actuator assembly provides a multi-RET actuator including a plurality of linear actuators, each including an actuator spur gear, a carriage assembly with an actuator drive motor mounted on a car and a nut attached to the car. A positioning motor is coupled to a lead screw and the nut is threaded onto the lead screw. The car travels on a guide so that the positioning motor and lead screw may be operated to bring the carriage assembly into engagement with a desired one of the linear actuators.
Antenna system with full metal back cover
An antenna system with a full metal back cover is provided in the present disclosure. The antenna system includes a metal back cover with a main body, a first sidewall and a second sidewall opposite to each other, a circuit board with a main ground point, a first antenna module and a second antenna module electrically connected to the circuit board. A first gap is formed between the first sidewall and the main body, and a second gap is formed between the second sidewall and the main body; the metal back cover is divided into a first metal portion including the first sidewall and a second metal portion including the second sidewall. The first metal portion includes a top slit penetrating through an edge of the first sidewall, and the second metal portion includes a bottom slit penetrating through an edge of the second sidewall.
Topology determination of a filling material surface with uniform line scanning
A fill level measurement device for determining a topology of a filling material surface is provided, including an antenna apparatus including an array of radiator elements and a rotatable mount configured to rotate the antenna apparatus about an axis that is in parallel with the array, such that a plurality of emission angles of the antenna apparatus are electronically and mechanically settable relative to the filling material surface without local overscanning occurring.
Coil for antenna and antenna system
A coil for an antenna includes a ferrite core; and a winding conductor configured to have a conducting wire wound around the ferrite core as a core bar. The winding conductor includes an inner winding positioned inside when viewed from a plane perpendicular to the core bar, and an outer winding positioned outside of the inner winding. A length of the outer winding when viewed from a plane parallel to the core bar is different from a length of the inner winding.
Apparatus and method for guided wave communications using an absorber
Aspects of the subject disclosure may include, a system having an absorber and a coupling device. The absorber includes absorbent material that absorbs radiation. The coupling device is positioned in and surrounded by the absorber. The coupling device facilitates transmitting or receiving of an electromagnetic wave along a transmission medium, where the electromagnetic wave propagates along the transmission medium without requiring an electrical return path. Other embodiments are disclosed.
Dielectric coupling system with mode control and methods for use therewith
In accordance with one or more embodiments, a coupling system includes a plurality of dielectric couplers configured to generate, responsive to first electromagnetic waves received via a hollow waveguide, second electromagnetic waves along a surface of a transmission medium, wherein the plurality of dielectric couplers each have an end at differing azimuthal orientations relative to the transmission medium and wherein the second electromagnetic waves propagate along the surface of the transmission medium without requiring an electrical return path. A controller is configured to control a generation of the first electromagnetic waves in accordance with a first set of phases, wherein the second electromagnetic waves generated by the plurality of dielectric couplers combine on the surface of the transmission medium to propagate via a first selected wave mode.
Wire, manufacturing method therefor, and coil component
Disclosed herein is a wire that includes: a core wire made of a conductor; an insulating film covering an outer periphery of the core wire; a catalyst adsorption film covering an outer periphery of the insulating film, the catalyst adsorption film including a catalyst serving as a reaction start point of electroless plating; and an outer periphery conductor covering an outer periphery of the catalyst adsorption film.
Battery thermal management system
An example system is disclosed for thermal management of batteries. The system may include a cell bank that includes first and second cell frame sections, a heat bus, and thermal interface material. The first and second cell frame sections may define opposite surfaces of the cell bank. Each cell frame section may include recesses to align battery cells for welding and provided conductive connections between the cells to create a string of cells with a combined power output. Each recess may include a divider between the battery cells to preload the cells against a thermal junction during assembly. The heat bus may be provided between the cell frame sections. The heat bus may include heat pipes that extend between the battery cells and across the cell frame sections. The thermal interface material may be positioned to transfer heat from the cells to the heat pipes at their thermal junction.
Battery cell assembly support structure
An exemplary battery cell support structure includes a thermal exchange plate, and a plurality of support fins providing a cavity to receive a battery cell assembly. The plurality of support fins extend directly from the thermal exchange plate. An exemplary method of supporting a battery cell within a battery pack includes positioning a battery cell assembly within a cavity provided by a plurality of support fins extending directly from a thermal exchange plate.
High efficiency iron electrode and additives for use in rechargeable iron-based batteries
An iron electrode and a method of manufacturing an iron electrode for use in an iron-based rechargeable battery are disclosed. In one embodiment, the iron electrode includes carbonyl iron powder and one of a metal sulfide additive or metal oxide additive selected from the group of metals consisting of bismuth, lead, mercury, indium, gallium, and tin for suppressing hydrogen evolution at the iron electrode during charging of the iron-based rechargeable battery. An iron-air rechargeable battery including an iron electrode comprising carbonyl iron is also disclosed, as is an iron-air battery wherein at least one of the iron electrode and the electrolyte includes an organosulfur additive.
Nonaqueous electrolyte solution, electricity storage device using same, and phosphonoformic acid compound used in same
The present invention provides a nonaqueous electrolytic solution capable of suppressing worsening of heat stability of a negative electrode and improving safety of an energy storage device while maintaining high-load charging and discharging cycle properties at a high temperature, an energy storage device using the same, and a phosphonoformic acid compound to be used for the same. The nonaqueous electrolytic solution having an electrolyte salt dissolved in a nonaqueous solvent contains 0.001 to 5% by mass of at least one selected from a phosphonoformic acid compound having at least one carbon-carbon unsaturated bond, which is represented by the following general formula (I), and a phosphonoformic acid compound having a carbon-carbon unsaturated bond or two phosphonocarbonyl groups, which is represented by the following general formula (II). In the formula (I), each of R1 to R3 is an aliphatic organic group, provided that at least one of R1 to R3 represents a carbon-carbon unsaturated bond-containing aliphatic organic group. In the formula (II), each of R4 and R5 represents an alkyl group, a cycloalkyl group, or an aryl group, and R4 and R5 may be bonded to each other to form a ring structure. m represents 1 or 2; when m is 1, then R6 represents an aryl group; when m is 2, then R6 represents an alkylene group, an alkenylene group, or an alkynylene group; and a part of hydrogen atoms of R4 to R6 may be substituted with a halogen atom.
Set forth herein are electrolyte compositions that include both organic and inorganic constituent components and which are suitable for use in rechargeable batteries. Also set forth herein are methods and systems for making and using these composite electrolytes.
Stack-folding type electrode assembly
The present disclosure provides a stack-folding typed electrode assembly including an electrode assembly having a structure in which a plurality of unit cells overlaps and a continuous folding separator is interposed between each overlapping part, wherein the continuous folding separator comprises a continuous porous polymer substrate having pores; and an organic-inorganic porous coating layer formed of a mixture of inorganic particles and a binder polymer, wherein the organic-inorganic porous coating layer is discontinuously provided at the overlapping part, to allow easy impregnation of an electrolyte solution, and reduce the volume compared to a traditional electrode assembly.