Camera system for aligning components of a PCB
A camera system and associated method for aligning a component with a footprint on a PCB including: a housing having a first side and a second side opposite to the first side; a first image sensor positioned on the first side of the housing and pointing to a first direction away from the housing to capture an image of the component and generating a first image signal, wherein the first image sensor includes a first lens assembly without a prism; a second image sensor positioned on the second side of the housing and aligned with the first image sensor pointing to a second direction opposite to the first direction to capture an image of the footprint on the PCB and generating a second image signal, wherein the second image sensor includes a second lens assembly without a prism; a mixing circuit for mixing the first image signal with the second image signal and generating a mixed image signal; and a processor for processing the mixed image signal and displaying a superimposed image of the component and the footprint on a display monitor.
Fluid conduit through RF shield
The invention provides a system for providing passage of fluid lines through an RF shield, the device comprising an RF shield having external and internal surfaces; a channel defined by the RF shield and extending from the external surface to the internal surface of the RF shield; a hollow cylinder rotatably communicating with said channel and extending substantially the length of the channel; a longitudinally extending region of said cylinder defining a gap adapted to receive a fluid conduit; mounting plates attached to the external surface and the internal surfaces of the RF shield; a movable member having a handle, the movable member attached to either end of the channel, the handle in slidable communication with the mounting plate so as to slide about the periphery of the plate; and a depending end of the handle rigidly attached to the cylinder which in turn is in rotatable communication with the circular plate such that the handle can be manipulated to a first position to allow loading of the conduit into the cylinder and whereby the handle can be manipulated to a second position to prevent unloading of the conduit from the cylinder.
Flat panel display
A flat panel display (FPD) including a display panel for displaying an image; a film substrate electrically connected to the display panel, the film substrate including driving circuits; a printed circuit board (PCB) electrically connected to the film substrate, the printed circuit board providing a signal for displaying the image; and a heat radiating unit attached to one surface of the film substrate, the heat radiating unit contacting at least one of the display panel and the PCB.
Fabricating multi-component electronic module with integral coolant-cooling
Methods for fabricating a coolant-cooled component assembly are provided, which include providing a multi-component assembly and a module lid with openings aligned over respective electronic components. Thermally conductive elements are disposed within the openings, each including opposite coolant-cooled and conduction surfaces, with the conduction surface being thermally coupled to the respective electronic component. A manifold assembly disposed over the module lid includes inner and outer manifold elements, with the inner element configured to facilitate flow of coolant onto the coolant-cooled surfaces. The outer manifold element is disposed over the inner manifold element and coupled to the module lid, with the inner and outer manifold elements defining a coolant supply manifold, and the outer manifold element and module lid defining a coolant return manifold. The coolant supply openings are in fluid communication with the coolant supply manifold, and the coolant exhaust channels are in fluid communication with the coolant return manifold.
Multi-component electronic module with integral coolant-cooling
A coolant-cooled electronic module is provided which includes a multi-component assembly and a module lid with openings aligned over respective electronic components. Thermally conductive elements are disposed within the openings, each including opposite coolant-cooled and conduction surfaces, with the conduction surface being thermally coupled to the respective electronic component. A manifold assembly disposed over the module lid includes inner and outer manifold elements, with the inner element configured to facilitate flow of coolant onto the coolant-cooled surfaces. The outer manifold element is disposed over the inner manifold element and coupled to the module lid, with the inner and outer manifold elements defining a coolant supply manifold, and the outer manifold element and module lid defining a coolant return manifold. The coolant supply openings are in fluid communication with the coolant supply manifold, and the coolant exhaust channels are in fluid communication with the coolant return manifold.
Fan chassis, fan unit, and communication device
A fan chassis includes: a wall panel; and an upper panel that is connected to an upper end of the wall panel, and a lower panel that is connected to a lower end of the wall panel. A cross sectional shape of the upper panel and the lower panel is substantially U-shape. The wall panel includes a plurality of projections to be inserted into mounting holes of a fan. At least either one of the upper panel and the lower panel includes a through hole into which an upper end part or a lower end part of the fan is to be fitted. An inner dimension between the upper panel and the lower panel is shorter than an outer dimension of the fan in a vertical direction. The upper panel and the lower panel deform elastically in a direction in which the upper panel and the lower panel move apart from each other.
Communications bladed panel systems
A fiber panel system includes a chassis and at least blades configured to mount to the chassis. Each blade is moveable relative to the chassis between a retracted (closed) position and at least one extended position. Cable slack is managed at the front and/or rear of each chassis to facilitate movement of the blades without pulling or bending the cables beyond a maximum bend limit. Each blade may be locked into one or more positions relative to the chassis.
Housing and electronic device using the housing
A housing includes a substrate made of aluminum or aluminum alloy, an anodic oxide film disposed on the substrate, and an abrasion resisting layer disposed on the anodic oxide film. The abrasion resisting layer is an alkylate silicon dioxide layer containing nano aluminum oxide powder. An electronic device using the housing is also described.
Torque balancing device applied to synchronous dual-shaft system
A torque balancing device applied to synchronous dual-shaft system for making the rotary shafts bear the same torque or pressure and avoiding slippage thereof. The torque balancing device includes a first rotary shaft, a second rotary shaft and a torque balancing unit. Each of the first and second rotary shafts has a fixed section mounted on an electronic apparatus and a drive section assembled with the torque balancing unit. The torque balancing unit includes a reactor and a responder assembled with each other. Each of the reactor and the responder has wing sections for together holding the drive sections of the first and second rotary shafts in normal state. When the first and second rotary shafts rotate, the wing sections are elastically forcedly biased and opened and the reactor and the responder are moved in an axial direction relative to each other.
Stacked structure and manufacturing method of the same
An embodiment of a stacked structure includes: a first substrate that includes a first electrode; a second substrate that includes a second electrode; and an adhesive resin material that is provided between the first substrate and the second substrate and includes a plurality of conductive vias, the plurality of conductive vias electrically connecting the first electrode and the second electrode.
Inductor component and printed wiring board incorporating inductor component and method for manufacturing inductor component
A printed wiring board includes a core substrate having a cavity and having first and second surfaces, an inductor component accommodated in the cavity, a filler resin filling a gap formed between the substrate and component in the cavity, and a buildup layer formed on the first surface of the substrate and the component. The component has a coil layer, a second insulation layer formed on the coil layer, an electrode formed on the substance layer, and a via conductor formed in the substance layer and connecting the coil layer and the electrode, the component is accommodated in the cavity such that the electrode faces the first surface of the substrate, and the buildup layer includes an interlayer insulation layer formed on the first surface of the substrate and the component, a conductive layer formed on the insulation layer, and a connection via conductor connecting the conductive layer and electrode.
Implementing heat sink loading having multipoint loading with actuation outboard of heatsink footprint
A method and apparatus are provided for implementing enhanced heat sink loading for cooling an electronic module having one or more semiconductor chips. The apparatus includes an electronic module having one or more semiconductor chips; a heat sink; a heat sink load bearing member further comprising raised points; a load spring passing through the heat sink, the load spring having a latch arm at a first end and a load screw at a second end actuating the load spring, the load spring when actuated is configured to bear against the raised points to equalize pressure distribution over one or more semiconductor chips on the electronic module.
Packaging substrate and fabrication method thereof
A fabrication method of a packaging substrate is provided, which includes the steps of: forming first conductive portions on a carrier; sequentially forming a conductive post and an alignment layer on each of the first conductive portions; forming an encapsulant on the carrier for encapsulating the first conductive portions, the conductive posts and the alignment layers; forming a conductive via on each of the alignment layers in the encapsulant and forming second conductive portions on the conductive vias and the encapsulant; and removing the carrier. Each of the first conductive portions and the corresponding conductive post, the alignment layer and the conductive via form a conductive structure. The alignment layer has a vertical projection area larger than those of the conductive post and the conductive via to thereby reduce the size of the conductive post and the conductive via, thus increasing the wiring density and the electronic element mounting density.
Printed wiring board and method for manufacturing the same
A printed wiring board comprises ground layers stacked via insulator(s); a first through hole; second through holes ; and signal wirings each extending from the first through hole through the clearance between predetermined ones of the ground layers, disposed between predetermined second through holes of the second through holes. Each of first clearances in the ground layers neighboring layer in which the signal wiring is disposed has an outline that a distance between the first through hole and outline of the first clearance is minimum of the signal wiring. Each of second clearances in the ground layers not adjacent to the signal wiring has an outline formed outside a circle connecting each center of second through holes centering the first signal through hole, such that outline of second clearance does not contact with the second through holes.
Printed circuit board and control device for a vehicle transmission comprising the printed circuit board
The invention proposes a printed circuit board with multiple layers, which features at least one outer layer and at least one inner layer adjacent to the outer layer. The printed circuit board features a plurality of micro-through-holes, which are formed between a supply voltage area of at least one outer layer and a supply voltage area of at least one inner layer.
Method for manufacturing a multi-layer circuit board
A method for manufacturing a multi-layer circuit board includes steps of: providing three copper clad laminates; forming trace layers in each copper clad laminate by selectively removing portions of copper layer of each copper clad laminate to obtain three first circuit substrates; laminating a dielectric layer on two of the first circuit substrates to obtain two second circuit substrates; forming a metal bump on the trace layer he other one of the three first circuit substrate to obtain a third circuit substrate; stacking and laminating the third circuit substrate between the two second circuit substrate to obtain a multi-layer circuit board.
Varnish, prepreg, film with resin, metal foil-clad laminate, and printed circuit board
The invention provides a varnish produced through reaction between a compound having an amino group and a resin having a functional group capable of reacting with an amino group, and having a polycyclic structure, wherein a portion of a plurality of the functional group of the resin is caused to react with the amino group of the compound in a solvent, and also a varnish produced through reaction between a compound having a phenolic hydroxyl group and a resin having a functional group capable of reacting with a phenolic hydroxyl group, and having a polycyclic structure, wherein a portion of a plurality of the functional group of the resin is caused to react with the phenolic hydroxyl group of the compound in the solvent. The invention also provides a prepreg, a resin-coated film, a metal-foil-clad laminate, and a printed wiring board produced by use of any of the varnishes.
Electrical component resin, semiconductor device, and substrate
A semiconductor device is a resin package structure including a semiconductor element T1 molded with a first resin 6. The first resin 6 contains a filler 7 including an electrical insulating capsule enclosed with a phase-change-material that absorbs ambient heat and phase-changes so as to increase a dielectric-strength. The effect of the filler 7 achieves a structure with satisfactory heat dissipation and a high withstand voltage.
Flexible interconnect structure for a sensor assembly
This disclosure provides example methods, devices, and systems for a flexible interconnect structure for a sensor assembly. In one configuration, a flexible interconnect structure may couple a first portion of a differential sensor structure to a second portion of the differential sensor structure. Further, the flexible interconnect structure may couple the differential sensor structure to an external component such as a circuit board, used to receive measurement information from the differential sensor.
Formation of a field reversed configuration for magnetic and electrostatic confinement of plasma
A system and method for containing plasma and forming a Field Reversed Configuration (FRC) magnetic topology are described in which plasma ions are contained magnetically in stable, non-adiabatic orbits in the FRC. Further, the electrons are contained electrostatically in a deep energy well, created by tuning an externally applied magnetic field. The simultaneous electrostatic confinement of electrons and magnetic confinement of ions avoids anomalous transport and facilitates classical containment of both electrons and ions. In this configuration, ions and electrons may have adequate density and temperature so that upon collisions ions are fused together by nuclear force, thus releasing fusion energy. Moreover, the fusion fuel plasmas that can be used with the present confinement system and method are not limited to neutronic fuels only, but also advantageously include advanced fuels.
System and method for generating extreme ultraviolet light
A system includes a chamber, a laser beam apparatus configured to generate a laser beam to be introduced into the chamber, a laser controller for the laser beam apparatus to control at least a beam intensity and an output timing of the laser beam, and a target supply unit configured to supply a target material into the chamber, the target material being irradiated with the laser beam for generating extreme ultraviolet light.
Linear driver for reduced perceived light flicker
A driver (100) supplies power to drive at least one light source (130). The driver includes: a current regulator (140) connected in series with the at least one light source; and a conditioning circuit (120) configured to receive an AC supply voltage (110) having a primary frequency of between about 50 Hz to 60 Hz, and further configured to condition the received AC supply voltage to supply power to the at least one light source, wherein the conditioned voltage has a non-zero DC component and an AC component, and wherein a magnitude of the AC component at a frequency that is four times the primary frequency is greater than a magnitude of the AC component at the primary frequency, and is also greater than a magnitude of the AC component at a second harmonic of the primary frequency.
Method of automatically providing aisle lighting and apparatus to perform the same
A method and system for lighting merchandising aisles, in particular check-out aisles, is disclosed. A control unit activates lighting of the aisles automatically when the presence of a cashier is detected. Communicative links between control units in adjacent aisles allow lights to be controlled despite aisle space between the control unit and lighting hardware. The communicative link may be wireless. Frequency switching or encoding may be used to pair sets of controllers for a given aisle to the exclusion of others. Override switches are also provided as are power output for the lighting hardware and other ancillary hardware. The invention may also be adapted to merchandizing gondolas and end caps.
Radio-frequency lighting control system with occupancy sensing
A load control system controls a lighting load provided in a space and comprises a load control device and one or more occupancy sensors. The load control device controls the load in response to the wireless control signals received from the occupancy sensors. Each occupancy sensor transmits an occupied control signal to the load control device in response to detecting an occupancy condition in the space and a vacant control signal to the load control device in response to detecting a vacancy condition. The load control device adjusts the intensity of the load to a first intensity in response to receiving the occupied control signal from at least one of the occupancy sensors, and adjusts the intensity of the load to a second intensity less than the first intensity (e.g., a non-off intensity) in response to receiving vacant control signals from both of the occupancy sensors.
Electronic device and control method thereof
An electronic device including a solar cell, an energy storage unit, a control unit, and a controlled unit is provided. The solar cell converts light energy to electric energy. The energy storage unit performs charging by the electric energy. The control unit determines the intensity of the light energy according to an energy value of the electric energy and generates a correction signal accordingly, wherein the energy value is a current value or a voltage value. The controlled unit controls a characteristic parameter according to the correction signal.
Controlling brightness of lamp in display device
A display device includes a lamp unit, a dimming signal controller, and an inverter device. The dimming signal controller receives a lamp brightness signal and an external environment illumination signal, selects the lamp brightness signal or a signal based on the received external environment illumination signal, and outputs the selected signal as a dimming signal. The inverter device may operate to control brightness of the lamp unit based on the dimming signal.
DC-DC converter, organic light emitting display having the DC-DC converter and method for operating the DC-DC converter
A direct current-to-direct current converter includes: a buck-boost unit configured to receive an input power source supplied through an input power line, where the buck-boost unit outputs a first power source obtained by boosting the input power source and a second power source obtained by dropping the input power source; and a short-circuit sensing unit connected to the input power line and a control signal line, and configured to sense a short circuit between the input power line and the control signal line, where the short-circuit sensing unit turns off the buck-boost unit when the short circuit between the input power line and the control signal line occurs.
Method for controlling a lighting apparatus
A lighting apparatus comprises: a plurality of light source units comprising at least three light source units, wherein the light source units emit lights having different color temperatures from each other and different color coordinates from each other; a sensor sensing each of the light quantities of the R (red) component, G (green) component and B (blue) component of light mixed with lights emitted from a plurality of the light source units; a memory having a standard color coordinate located within an area formed by the color coordinates of the light output from the light source units; and a controller controlling light quantities of the light source units in such a manner as to reduce an error value between the standard color coordinate and a comparative color coordinate.
LED light control and management 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 light fixture. The optical transceiver light fixture includes a plurality of light emitting diodes, at least one photodetector, and a processor. A facility management unit is in communication with the processor. The facility management unit is constructed and arranged to control the operation of the optical transceiver light fixture.
Power conversion and control systems and methods for solid-state lighting
A power conversion and control system suitable for use with solid-state lighting and conventional TRIAC dimmer switching includes an alternating current to direct current (AC-DC) converter configured to convert AC power from the AC mains to DC power and a controller configured to control dimming of a light-emitting load depending on the magnitude of a distorted AC voltage from an external TRIAC dimmer switch relative to the magnitude of the DC voltage Vdc produced by the AC-DC converter. To prevent the TRIAC in the external TRIAC dimmer switch from turning off in situations where the AC-DC converter is disconnected from the AC mains or not drawing any current from the AC mains, the power conversion and control system may further include circuitry that maintains the current through the TRIAC above its minimum holding current.
Light-emitting diode lighting device with adjustable color rendering indexes
An LED lighting device includes first through third luminescent devices and first through third current controllers. The first and second luminescent devices are driven by a rectified AC voltage for providing light of a first color. The third luminescent device is driven by the rectified AC voltage for providing light of a second color different from the first color. The first through third current controllers are configured to regulate the current flowing through the first through third current controllers according to a first current setting, a second current setting and a third current setting, respectively. The color rendering index of the LED lighting device can thus be adjusted flexibly.
Driving circuit of semiconductor-type light source for vehicle lighting device and a vehicle lighting device
In a conventional driving circuit, it has been inefficient and difficult to measure, classify, and rank (Vf) characteristics of a light emitting element that is in a bare-chip state. According to the present invention, a semiconductor-type light source is made of four light emitting chips (41 to 44) that are in a bare-chip state, the light emitting chips being randomly mounted on a board (3) without classifying (Vf) characteristics in advance. As the resistors, opening resistors (R2, R4, R6) and trimming resistors (R1, R3, R5) are disposed in parallel and then are connected in series to the four light emitting chips. Values of the resistors are adjusted so that a predetermined set current value or luminous flux value is reliably obtained with respect to the four light emitting chips. As a result, the present invention is capable of efficiently and easily mounting the four light emitting elements (41 to 44) and the resistors (R1 to R7) on the board (3).
Power converter circuit for low power illumination device, control circuit thereof and method thereof
A power converter circuit for a low power illumination device includes a boost converter circuit, a buck converter circuit, and a control circuit. The control circuit configures the boost converter circuit to alternately operate in a current conducting mode and an off mode, to draw different values of the current from an electric transformer in different periods in the current conducting mode, and to stop drawing current from the electric transformer in the off mode. The control circuit further configures the buck converter circuit to generate the required output signals to the low power illumination device according to the output of the boost converter circuit so that the low power illumination device may function normally.
Processing objects by radio frequency (RF) energy
A method of processing an object is disclosed. The method comprises heating the object by applying radio frequency (RF) energy, monitoring a value related to a rate of absorption of RF energy by the object during the heating, and adjusting the RF energy in accordance with changes in a time derivative of the monitored value.
Metal sector having curved outer surface and cold crucible induction melter having the same
A cold crucible induction melter includes a wall formed of a plurality of metal sectors insulated by an insulator. Each metal sector includes an outer curved portion which forms an outer surface of the wall and is convex outward relative to the wall, an inner planar portion which forms an inner surface of the wall, and two side planar portions which connect the inner curved portion to the outer planar portion. The metal sector further includes a cooling passage longitudinally formed inside the metal sector, and an insulation layer covering the inner curved portion and the two side planar portions.
Induction cooking device
In an induction cooking device according to the present invention, a boiling-over detection portion is adapted to perform a heating-output suppression operation, on detecting boiling over, when the capacitances of electrodes have been changed by an amount equal to or more than a predetermined value. Further, the boiling-over detection portion is prevented from performing the heating-output suppression operation, if the boiling-over detection portion detects that the capacitances of the electrodes have been changed by an amount equal to or more than the predetermined value, due to the fact that the heating output of another heating coil in a heating area which is not subjected to boiling-over detection has been changed by an amount equal to or more than a predetermined change width.
The invention relates to a heating rod comprising a tube housing, at least one ceramic heating element, which is arranged in the tube housing, a first contact plate, which in the tube housing bears against the heating element or the heating elements, and an insulating frame, which surrounds the longitudinal edges of the first contact plate. In accordance with this disclosure, a second contact plate is provided, which carries a second insulating frame, wherein the at least one heating element is arranged between the two contact plates and the two frames are plugged into one another.
Heat transmission system based on electromagnetic radiation and a foil for use in a transmission system
The invention relates to a heat transmission system based on electromagnetic radiation, which heat transmission system comprises an oven cavity and a foil with at least two layers, said at least two layers of the foil comprising a radiation-absorbing layer, wherein the wavelength spectre of the electromagnetic radiation of the radiation-absorbing layer and wavelength spectre of the electromagnetic radiation of the oven cavity are attuned to each other. The invention also relates to a foil for use in a heat transmission system, said foil comprising at least two layers, and wherein the wavelength spectre of the electromagnetic radiation of the foil is attuned to that of a heat source, eg the wavelength spectre of the electromagnetic radiation of an oven. The foil may be provided with a radiation-absorbing surface that may be configured both as a flexible foil and as an inflexible foil that may be of either metal or of a polymer, paper, cardboard or other materials that are based on wood.
Addressing radio link failures in wireless communication systems
Methods and apparatus for enhanced radio resource control (RRC) reestablishment in a communication system include addressing repeated radio link failures (RLFs). For example, the methods and apparatus include incrementing a counter value associated with a first cell based on a detection of a RLF by a user equipment (UE) in a RRC connected state with the first cell. The methods and apparatus further include determining that the counter value meets or exceeds a first barring threshold value within a cell barring evaluation time duration. Additionally, the methods and apparatus include prohibiting the UE from performing an RRC reestablishment procedure with the first cell for a first barring time duration.
Methods and systems for optimizing short data burst services over an LTE network
Methods and related systems for managing wireless network capacity in support of short data burst (SDB) services over long term evolution (LTE)-based networks are provided. Such methods and systems provide improved efficiency and performance, thereby increasing the capacity of LTE-based networks to support SDB services.
Authentication and pairing of devices using a machine readable code
An MR code is generated within a browser on a client device and is read by a mobile application on a mobile device. A communication channel is then established through a web-based service, between the browser and the mobile application on the mobile device. The mobile application generates a user interface display on the mobile device that allows user selection of content. The mobile application sends a link to that content to the browser, which accesses and renders the content on the client device. User input commands to control the rendered content are also received at the mobile device and sent to the browser through the communication channel.
Method and device for controlling peripheral devices via a social networking platform
A method and system for connecting a peripheral device to a user device via a Bluetooth protocol, comprising: at the user device: initiating a device scan process, comprising: detecting a device discovery message from the peripheral device; and determining whether the device discovery message includes a predetermined identifier designated for a social networking service associated with a social networking application executing on the user device; upon determining that the device discovery message includes the predetermined identifier designated for the social networking service associated with a social networking application executing on the user device, sending, to the peripheral device, a connection request corresponding to the device discovery message; and establishing a Bluetooth connection to the peripheral device.
Sequence generation for cell specific reference signal (CRS)
In embodiments, an eNodeB (eNB) may include a sequence generator to identify an initialization parameter for a pseudo-random sequence. The initialization parameter may have a periodicity greater than one radio frame of a radio signal. The sequence generator may then generated a pseudo-random sequence based at least in part on the initialization parameter, and then generate a reference signal based on the pseudo-random sequence. The eNB may further include a transmitter that is coupled with the sequence generator and is to transmit the reference signal in a subframe of the radio signal.
Method and arrangement in a communication network
A method, in a base station, provide a mechanism for observing random access performance in a Long Term Evolution network. The random access performance is defined by an access delay. The access delay is a delay from the initial random access attempt until access is granted. The method comprises receiving a respective report from a plurality of user equipment, where each of the respective user equipment has performed a random access process and received a random access grant. The reactive report includes access delay related random access information. The method includes determining a respective access delay, based on each of the access delay related random access information. The determined access delays are used for the estimation of access delay statistics. The random access performance is observed based on the access delay statistics.
Wireless communication system
The wireless communication system of the present invention has a first communication mode in which a center module preferentially allocates a slot to communication data of a calling sub station according to a priority of the calling sub station, and a second communication mode in which the center module allocates the slot to the communication data received from the calling sub station irrespective of the priority of the calling sub station. The center module determines which sub station can make a call to which sub station, each sub station transmits identification information to the center module, and the center module identifies the transmitting sub station based on the identification information, determines which sub station the identified sub station can make a call to, and allocates the slot to communication between the sub station determined to be capable of making a call and the transmitting sub station.
Methods for responding to co-located coexistence (CLC) request from a mobile electronic device and communications apparatuses capable of controlling multi-radio coexistence
A communications apparatus is provided. A first radio module provides a first wireless communications service and communicates with a first communications device in compliance with a first protocol. A second radio module provides a second wireless communications service and communicates with a second communications device in compliance with a second protocol. A Co-Located Coexistence radio manager detects activities of the first radio modules, obtains a first traffic pattern describing downlink and/or uplink traffic allocations of the first radio module from the first radio module, and generates a second traffic pattern of the second radio module according to the first traffic pattern to coordinate operations of the first and second radio modules. An associated method is also provided.
Base station, mobile station, control method, setting method, and communication system
A base station communicates with a mobile station that continuously transmits a predetermined number of the same packets for predetermined time intervals. The base station includes a measuring unit that measures reception quality of packets received from the mobile station, among the predetermined number of the same packets that are continuous; and a control unit performing control of causing the mobile station to set the predetermined number based on the reception quality measured by the measuring unit.
Radio base station apparatus, user terminal and radio communication method
To effectively improve the reception quality in a pico-base station, while preventing throughput of a macro-base station from significantly deteriorating, a macro-base station (M-BS) is provided with a beam generating section (35) that generates a directional beam to a macro-UE using antenna weights based on a beampattern assigned to the macro-UE existing in a macro-cell having a first coverage area, and a coordination section (36) that determines a beam pattern so that a beam pattern to the macro-UE existing in the macro-cell is a beam pattern that suppresses interference power to a pico-UE existing in a pico-cell, in assigning the beam pattern to the macro-UE existing in the macro-cell during a transmission period assigned to a pico-base station (P-BS) locally forming the pico-cell in the macro-cell.
Procedures to activate opportunistic relays
Aspects of the present disclosure relate to techniques for activating opportunistic relays. A combination of uplink and downlink pilots may be used to switch on user equipment relays (UeNBs) in an effort to make more accurate measurements in an effort to enable handovers. According to aspects of the present disclosure, a relay may evaluate one or more channel conditions, determine whether or not to transmit downlink reference signals to a UE based on the evaluation, and transmit downlink reference signals to the UE based on the determination. According to aspects, a relay may determine a set of resources reserved for transmission of uplink pilots by UEs, monitor the set of resources to detect transmission of uplink pilots, and report, to an eNB, a power at which the uplink pilots were received.
Radio transmission device and radio communication method
A radio transmission device and a radio communication method employ sequence length decision units which hold a correspondence in which one basic sequence length is set for a plurality of transmission bandwidths. The sequence length decision units acquire transmission bandwidth information and decide a sequence length corresponding to the acquired transmission bandwidth information. A decision is made as to which of the cyclic extension process or the truncation process is to be executed on a Zadoff-Chu sequence according to the sizes of the acquired transmission bandwidth information and the basic sequence length. Then, a difference between the transmission bandwidth and the basic sequence length, i.e., the number of possible cyclic extension/truncation symbols, is obtained.
Radio reception apparatus, radio transmission apparatus, and radio communication method
Where first and second reference signals for a first and second communication system, respectively, are transmitted, resources that affect a reception apparatus compatible only with the first communication system can be minimized, and the throughput can be prevented from being deteriorated. As resources for a reference signal CSI-RS for LTE-A, last half symbols in a time direction of a resource unit RB/Sub-frame defined in a frequency-time domain are used, and the CSI-RS is allocated in a position up to the last two symbols or in the last symbol, or the like, of a particular RB/Sub-frame and transmitted when a reference signal 4RS for LTE is transmitted to a reception apparatus in addition to transmitting CSI-RS for LTE-A. The reception apparatus receives CSI-RS allocated in the last half symbol of RB/Sub-frame based on CSI-RS allocation information, measures channel quality by using this CSI-RS, and transmits and reports feedback information.
Radio resources configuration signaling in a wireless network
A wireless device receives an RRC message comprising configuration parameters of radio resources of a control channel. The radio resources comprise multiple sets of resource blocks in a subset of subframes. The RRC message indicates the subset of subframes and a first starting symbol of both the control channel and a data channel in the subset of subframes. The configuration parameters comprise an array of parameters. Each element in the array comprises frequency resource parameters for a set of resource blocks. The multiple sets of resource blocks comprise non-overlapping sets of resource blocks in the subset of subframes.
Resource element mapping for wireless transmissions
Wireless transmissions between a base station and a user equipment device may be performed using resource mapping rules. The resource mapping rules may be generated based on resource block descriptions. The resource block descriptions may be determined by matching symbols included in a resource block to a predefined set of symbol types. The symbol types may be determined based on transmission characteristics.
Selection of uplink control transmission format parameters based on content of the uplink control transmission
Systems and methods for transmitting uplink control signals in a cellular communications network are disclosed. In one embodiment, a wireless device configured to operate in a cellular communications network includes a radio subsystem and a processing subsystem. The processing subsystem selects a value for at least one parameter for an uplink control channel format based on content to be transmitted in an uplink control channel transmission according to the uplink control channel format. The processing subsystem then transmits, via the radio subsystem, the content in an uplink control channel transmission according to the uplink control channel format and the value for the at least one parameter for the uplink control channel format selected based on the content.
Method and base station for transmitting a data block
A method and a base station of transmitting a data block are provided. At least one data block is transmitted via at least one of at least two downlink frequency bands. A modulation symbol and N spreading sequences are received. Acknowledgement/negative acknowledgement (A/N) information is determined in accordance with the modulation symbol and the N spreading sequences. The modulation symbol and the N spreading sequences jointly determine the A/N information. And the at least one data block may be retransmitted depending on the A/N information determined.
Apparatus and method for transmitting/receiving activation indicator regarding component carrier in wireless communication system
A method for supporting activation/deactivation of serving cells by a base station (eNB) in a wireless communication system provides decreased overhead and decreased power consumption for a user equipment (UE). The method includes configuring M supportable serving cells in the UE, configuring an indicator indicating activation/deactivation of each of the M serving cells, configuring a medium access control (MAC) message which includes a MAC control element (CE) and a logical channel identifier (LCID), the MAC CE including the indicator configured for each of the M serving cells and having a length corresponding to an integer multiple of 8 bits, the LCID indicating that the MAC CE includes the indicator indicating activation/deactivation of each serving cell, and transmitting the configured MAC message to the UE. Accordingly, a control channel or data channel regarding a component carrier is selectively received depending on whether the component carrier is activated.
Method for receiving downlink signal and method for transmitting same, and device for receiving same and device for transmitting same
The present invention relates to a method for a transmission device to transmit data and a reference signal for demodulation for the data, to a reception device. The transmission device of the present invention appropriately configures the reference signal for demodulation of the data being transmitted to the reception device by the transmission device, and transmits the reference signal to the reception device with the data. According to embodiments of the present invention, the demodulation performance for the data transmitted from the transmission device to the reception device is enhanced.
Multi-cell communication system that performs interference control using relay of terminal
A multi-cell communication system comprises at least a first base station and first terminal and a second base station and second terminal. When the first and second base stations need to perform interference control, the first terminal may relay a message related to the interference control between the first base station and the second base station. That is, the first terminal may transfer a message related to the interference control from the first base station to the second base station, and a message related to the interference control from the second base station to the first base station. As such, the first base station and the second base station can transmit/receive messages that are for performing interference control via the first terminal.
Method and arrangement in a telecommunication system
In a GSM network, mobile stations monitor the paging channel of their respective paging group. Specifically, when a mobile station registers with the GSM network, the GSM network classifies the mobile station as belonging to one of two categories, a first category and a second category. Mobile stations belonging to the first category monitor the paging channel of their paging group at an interval defined by the GSM parameter BS-PA-MFRMS. Mobile stations belonging to the second category monitor the paging channel of their paging group at a second interval which is longer than that defined by the GSM parameter BS-PA-MFRMS.
Determining location of mobile device
Embodiments of the present invention relate to a method and apparatus for determining the location of a mobile device. Specifically, the method comprises: receiving the location message from a neighboring mobile device, the location message comprising the location of the neighboring mobile device at the current time which is obtained by the neighboring mobile device through calculation utilizing signals received from satellites; and estimating the location of the mobile device at the current time based on stored locations of the mobile device at historical time, stored locations of the neighboring mobile device at the historical time, and the received location of the neighboring mobile device at the current time.
Multiple registrations with different access networks
The disclosure is directed to a mobile communication device that is capable of accessing different types of networks at the same time. The mobile device registers a public ID with a first IP address over a first access network and also registers the same public ID with a different IP address over a second access network. Additional registrations and IP addresses may occur as well. Of particular benefit is that the different registrations are active during at least some concurrent period of time. This allows a user of the mobile device to have improved continuity of service, select preferred access methods, and receive different data services simultaneously.
Method and apparatus for managing uplink time alignment
A method and apparatus of managing uplink time alignment in a wireless communication system is provided. A user equipment transmits a random access preamble to maintain an uplink time alignment to a base station and receives a random access response in response to the random access preamble from the base station.
Power control using fast signal time alignment
A method for controlling output signal power in a communication terminal includes accepting, from first and second measurement points along a transmission chain in a transmitter of the terminal, respective first and second signal representations of a communication signal to be transmitted by the communication terminal. A cross-correlation is computed between the first and second signal representations accepted from the first and second measurement points. An actual gain between the first and second measurement points is computed using the cross-correlation. An output power of the communication signal is adjusted by setting a gain of the transmitter responsively to the actual gain.
Detecting interaction among entities via proximity
Approaches, techniques, and mechanisms are disclosed for determining interaction among animals via proximity relationships. An interaction between two or more animals may generally refer to any action by an animal that influences one or more other animals and that may be inferred based on a detected physical proximity relationship between the animals. According to various embodiments, proximity relationships between animals may be detected based on determining an approximate physical distance between computing devices associated with the animals. In other embodiments, proximity relationships between animals may be detected based on detecting the co-location of computing devices associated with the animals.
Methods and arrangements for scheduling based on power consumption
The present invention relates to a network node and a method in method in a network node of a wireless communications system that allow for power efficient scheduling of transmission of application data over a radio interface. According to the method, information is received (71, 72) about a power consumption profile of a transmit unit and about estimated required average output transmission power of the transmit unit for transmitting an amount of application data in a time interval. The method also includes a step of making (73) a scheduling decision, comprising a type of load distribution to be used in the time interval for transmitting the amount of application data, based on the received information. In another step (74) the scheduling decision is provided to the transmit unit as a scheduling order for transmission of the application data over the radio interface. The invention also relates to a mobile station and core network node configured to provide a network node with power consumption profile information.
Wireless communication system, transmission power control method, and network control apparatus
The objective of the invention is to improve the communication performance of a secondary system within such a range that does not affect a primary system. A wireless communication system comprises: a primary system that can use a given frequency on a priority basis; secondary wireless communication systems each of which is operated with the same frequency; and a network control apparatus that controls the secondary wireless communication systems. The network control apparatus comprises: a primary system information acquiring unit that acquires information of the primary system; a secondary system information acquiring unit that acquires communication quality information of the secondary wireless communication systems; and an optimum computing unit that calculates, on the basis of the primary and secondary system information acquiring units, the transmission powers of a plurality of base stations of the secondary wireless communication systems.
Radio resource management for a high-speed shared channel
Radio resources like spreading codes and transmission power are optimally allocated to various different types of radio channels supported in the cell including a specialized channel like a high-speed shared channel. One or more measurements made at the base station are provided to the radio resource manager. Such measurements include other-channel power, high speed shared channel code usage, high speed shared channel transport format usage, average active load on the high speed shared channel, empty buffer, excess power, and similar parameters that relate to a high speed shared channel. One or more of these reported measurements may then be used to access, allocate, and/or regulate resources associated with the base station's cell.
Method for adjusting a transmit power of a multi carrier transmitter and a multi carrier transmitter
A method for adjusting a transmit power of a multi carrier transmitter in a mobile communication system includes providing at least two data streams, each data stream to be transmitted on a separate carrier frequency, and determining a transmit signal adaptation metric separately for each of the at least two data streams. The method further includes calculating a combined transmit signal adaptation metric based on the separate transmit signal adaptation metrics, combining the two data streams carried on the two carrier frequencies to an overall transmit signal, and adjusting the transmit power of the overall transmit signal based on the calculated combined transmit signal adaptation metric.
Intermittent shutoff of RF circuitry in wireless communication terminals
A method for communication in a receiver (20) includes receiving over a wireless communication channel a signal that carries at least a control channel. A first estimate of a response of the wireless communication channel is computed using a first estimation process having a first latency, and the control channel is decoded based on the first estimate. Upon identifying, based on the decoded control channel, a time period during which no data channel is to be addressed to the receiver, circuitry (24) of the receiver is shut down for at least part of the identified time period. A second estimate of the response is computed using a second estimation process having a second latency, higher than the first latency, and a data channel that is addressed to the receiver is decoded based on the second estimate.
Wireless communication device with throughput allocation and methods for use therewith
A wireless communication device with a plurality of transceivers analyzes a plurality of throughput profiles corresponding to the plurality of transceivers to determine a division of a total throughput into a plurality of individual throughputs corresponding to the plurality of transceivers. Data is transmitted to a remote communication device by allocating data for transmission among the plurality of transceivers based on the plurality of individual throughputs.
System and method for mobile terminal initiated communications
A system and method for improving efficiency of satellite communications is described. In one embodiment, efficient satellite communications is enabled through event-driven reporting by a mobile terminal.
Apparatus and method for integrating short-range wireless personal area networks for a wireless local area network infrastructure
A network system comprises a first logic block providing a link to a first network via an access point of a WLAN and a second logic block communicating with a node of a second network (such as a WPAN) and configured to provide a link between the node and the first network via the access point. The network system is configured to maintain continuous connections to both the access point and the node while receiving power. The second logic block can communicate with the node using a modified communication protocol that is only partially compliant with an 802.11x communications protocol. A wireless hub can integrate a WPAN with a WLAN including, in part, a wireless circuit compliant with the WLAN standard (such as an 802.11x standard), a processor, and a memory. The wireless circuit can connect to the WPAN without losing connectivity (such as association and synchronization) to the WLAN.
Paging over a high-speed downlink shared channel
An apparatus and methods are provided for paging in a HSDPA connected mode CELL_PCH or URA_PCH state. Preferably, a WTRU is configured to select various PICH information that is broadcast by a base station. The WTRU is preferably configured to receive paging messages, based on the selected PICH information. In one embodiment, a preferred WTRU is configured to receive paging messages, based on a PICH, a HS-SCCH, and a HS-PDSCH. In another embodiment, a preferred WTRU is configured to receive paging messages, based on a PICH and a HS-PDSCH. In both embodiments, a time delay parameter is preferably used so that the WTRU may listen for either the HS-SCCH or HS-PDSCH for a period of time and return to a sleep mode if no paging message is received.
Inter-RAT (radio access technology) energy saving management
Systems, devices, and configurations to implement ESM (energy saving management) techniques in wireless networks are generally disclosed herein. In some examples, a distributed or centralized multi-RAT (radio access technology) technique is provided to implement ESM on a LTE (Long Term Evolution) or UMTS (Universal Mobile Telecommunications System) primary cell network. The technique may factor the number of UEs unable to be offloaded to another RAT (such as a Wi-Fi network), and the service impact threshold of implementing ESM on the primary wireless network. In further examples, an ESM deployment may factor the idle mode state of UEs (user equipment) in determining whether to proceed with ESM activation at a particular time on a particular cell network.
Scanning method in wireless system
A scanning method in a wireless local area network (WLAN), a station supporting the scanning method, and a new type of interworking information element format including information about a distribution system (DS) are disclosed. In the scanning method, information about a DS is included in a beacon frame or a probe request frame/frame response frame. Such information about the DS may be included in a network type field of, for example, an interworking information element. In an active scanning method, a user equipment (UE) may specify its DS type by transmitting a probe request frame including DS information such as the DS type or the like. In a passive scanning method, the UE may select a suitable AP by using DS information such as a DS type included in the beacon frame or the like. The DS type may be information indicating whether a DS is a wireless network such as a mesh network or any other wired network.
Carrier segment support for wireless networks
Briefly, in accordance with one or more embodiments, a base transceiver station such as an Enhanced Node B allocates a first bandwidth for operation with a first set of remote devices which may comprise user equipment (UE), and allocates at least one or more bandwidth segments outside of the first bandwidth for operation with a second set of remote devices which mag comprise user equipment (UE). Remote devices of the first set are capable of operating within the first bandwidth, and remote devices of the second set are capable of operating within the first bandwidth and within the bandwidth segments outside of the first bandwidth. The devices of the first set comprise legacy devices, and devices of the second set comprise advanced devices.
Preamble design for a wireless signal
Providing for management of wireless communications in a heterogeneous wireless access point (AP) environment is described herein. By way of example, system data of an over-the-air message can be configured to include information identifying a distinct type of transmitting base station. In some aspects, the information can include an access type of the base station and/or a sector ID for distinguishing the base station among large numbers of other base stations. According to other aspects, the information can include wireless channel resources designated for a particular type of base station, or blanked by the transmitting base station, to facilitate interference reduction on such resources. By employing aspects of wireless communication management disclosed herein, efficient and reliable communication can be affected in large heterogeneous AP networks.
Wireless architecture and support for process control systems
A wireless communication system for use in a process environment uses mesh and possibly a combination of mesh and point-to-point communications to produce a wireless communication network that can be easily set up, configured, changed and monitored, thereby making a wireless communication network that is less expensive, and more robust and reliable. The wireless communication system allows virtual communication paths to be established and used within the process control system in a manner that is independent of the manner in which the wireless signals are sent between different wireless transmitting and receiving devices within the process plant. Still further, communication analysis tools are provided to enable a user or operator to view the operation of the wireless communication network to thereby analyze the ongoing operation of the wireless communications within the wireless communication network.
Dynamic network selection using kernels
A method for determining whether to perform vertical handoff between multiple network. The method comprises obtaining a plurality of selection metrics for each network, calculating, for each of the other communication networks, a predicted utility value from at least the corresponding plurality of selection metrics using a variable kernel regression function, obtaining, for the current communication network, a second plurality of selection metrics; calculating a second predicted utility value for the current communication network from at least the corresponding second plurality of selection metrics using a second variable kernel regression function, comparing each of the predicted utility values for each of the plurality of other communication networks with the second predicted utility value and switching to one of the other communication networks having the highest predicted utility value, if the highest predicted utility value is greater than the second predicted utility value.
Method and apparatus for LTE handover reduction
A method of setting hand over (HO) parameters for a user equipment (UE) connected to a first cell of a base station (BS) may include receiving, at the BS, history data corresponding to the UE, the history data including, for each of a plurality of cells the UE was previously connected to, an entry including HO information of the UE at the cell; determining at the BS, an activity type of the UE based on the received history data; and setting, at the BS, the HO parameters for the UE based on the determined activity type, the HO parameters controlling the manner in which the UE detects conditions for initiating an HO event.
User equipment and method for enhanced uplink power control
Embodiments of user equipment and methods for improved uplink transmission power management and scheduling, are generally described herein. For example, in an aspect, a method of uplink power management is presented, the method includes determining whether a total desired transmission power exceeds a total configured maximum output power for a subframe. When the total desired transmission power exceeds the total configured maximum output power, the method includes allocating a minimum proactive power limitation to each serving cell, assigning a remaining power to one or more channels based on priority, and computing a total power assignment based on the allocating and the assigning.
Apparatus and methods for detecting and handling spurious dedicated physical control channel in soft handover
Aspects of the present disclosure provide an apparatus and methods for detecting and handling a spurious Dedicated Physical Channel (DPCH) of a cell in an active set from a mobile station side. A user equipment determines a signal-to-interference ratio (SIR) for each channel of a plurality of channels associated with cells maintained in an active set. A spurious DPCH has the lowest SIR among the plurality of channels. The user equipment puts the detected spurious DPCH in an exclusion mode in which the spurious DPCH is excluded from at least one of channel decoding or SIRE calculation, while maintaining the cell associated with the spurious DPCH in the active set.
Method and system for handover with pre-configuration of timing advance
A method and system for pre-configuring a UE with timing advance for use in communication with a handover target. When a UE is being served by a source base station, the source base station transmits to a target base station a measurement request that specifies an uplink reference signal that the UE will provide, and the target base station evaluates that uplink reference signal to determine a timing advance for the UE and reports the timing advance in a response to the source base station. As the source base station then directs the UE to hand over to the target base station, the source base station then provides the UE with an indication of the timing advance provided by the target base station. The UE may then transition to be served by the target base station and to make use of the indicated timing advance.
Neighbor relation information management
Neighbor relation information management involves, for example: acquiring, reporting, and exchanging neighbor relation information. In some cases, neighbor relation information is acquired and/or reported in a manner that does not significantly impact other functionality of the access terminal. For example, an access terminal may be configured to acquire and/or report neighbor relation information only during one or more defined radio states. In some cases, the acquisition of neighbor relation information is based on a neighbor relation threshold. In some cases, an access terminal does not immediately report measured neighbor relation information and instead stores the information for reporting at a later time. In some cases, a transmitted indication is used to facilitate retrieval of neighbor relation information from an access terminal. In some cases, neighbor relation information acquired from an access terminal is exchanged over a direct interface between access points.
Method for configuring a neighboring base station and micro base station
Provided in the embodiments of the present invention are a method for configuring a neighboring base station and a micro base station, realizing that the micro base station detects information of at least one macro base station nearby and sends the information of the macro base station to a core network device, so that the core network device queries information of other base station(s) adjacent to the macro base station, and sends the information of the other base station(s) to the micro base station to enable the micro base station to configure the other base station(s) as neighboring base station(s) of the micro base station, thus solving the technical problem of a call drop of a terminal during a cell handover caused as the micro base station does not configure the neighboring base station(s).
Activation procedure for dormant cells
A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus may be a UE. The UE receives synchronization signals and an information block from a first base station. The information block includes information indicating whether the first base station is in a dormant state or an active state. The UE detects the first base station based on the received synchronization signals and on the information indicating whether the first base station is in the dormant state or the active state. The UE may receive, from a second base station, an indication of resources for detecting the first base station. The synchronization signals and the information block may be received in the indicated resources. The UE may move to the first base station from a second base station in a handoff from the second base station to the first base station.
Method and system for managing security in mobile communication system
A method, an apparatus, and a system for solving and managing security problems, which may occur during a handover of a User Equipment (UE) between PLMNs in a mobile communication network, by using a Non-Access Stratum (NAS) protocol are provided. By the method, a UE can perform a security mode command and an authentication with a network. Further, the method can prevent interruption of communication due to authentication or security during a handover of a UE between Public Land Mobile Networks (PLMNs).
Homogeneous circuit switched voice support indication in a mobile network
A subscriber database maintains a data record related to a user equipment. The subscriber database receives an indication from a control node which is responsible for controlling a plurality of packet switched network accesses. The indication indicates whether voice communication with the user equipment over circuit switched access is supported or unsupported homogeneously for all the network accesses controlled by the control node. The subscriber database stores the indication in the data record. If the subscriber database receives a request from a termination control node which is responsible for controlling termination of a voice session with the user equipment, it processes the request depending on the stored indication. In some cases, if the indication indicates that voice communication with the user equipment over circuit switched access is unsupported homogeneously, the subscriber database may reject the request without further interaction with other nodes.
Systems and methods are provided to facilitate the performance of a Session Border Controller (SBC)-localized handoff. As part of the SBC-localized handoff, a communication device may transmit packets within a data call to an SBC via a first IP address. Subsequently, the communication device may be assigned a second IP address. The communication device may then transmit further packets to the SBC via the second IP address. In response, the SBC may route all traffic within the data call direct to the communication device via the second IP address, regardless of whether the traffic indicates that the traffic should be delivered to the first IP address.
Dynamic assigning of bandwidth to field devices in a process control system
A wireless network managing device for a wireless network that is part of a process control system. The wireless network managing device includes a node determination element configured to receive an operator selection of at least one node in the process control system via an operator terminal and determine a field device implementing the functionality of the node, and a bandwidth control element configured to adjust a bandwidth assigned to the at least one field device in an auxiliary data section of a communication structure used by the wireless network based on the received operator selection in order to increase system responsiveness.
Method and apparatus for controlling the transmission of streaming content in a wireless communication network
This disclosure provides example details for a method and apparatus for controlling the transmission of streaming content from a wireless communication network to a wireless device, including temporarily increasing the size of a buffer used at the device for streaming content buffering and correspondingly initiating a transmission burst of the streaming content towards the device. These operations are undertaken responsive to determining that there is an expectation that a required QoS will be violated with respect to the device and among their several advantages, they lessen the likelihood that the expected QoS violation will disrupt streaming content playback at the device.
DRX operation for UL/DL reconfiguration
In embodiments, apparatuses, methods, and storage media may be described for identifying subframes in a radio frame on which a UE may receive a Physical Downlink Control Channel (PDCCH) or enhanced PDCCH (ePDCCH) transmission. Specifically, the UE may receive multiple indications of uplink/downlink (UL/DL) subframe configurations and identify one or more subframes in which the UE may receive the PDCCH or ePDCCH transmission. The UE may then monitor one or more of the identified subframes and base discontinuous reception (DRX) timer functionality on one or more of the identified subframes.
Method and device for reporting channel state information in wireless communication system
A method is described for a user equipment (UE) to report channel state information (CSI) including at least one of a rank indicator (RI), a precoding matrix indicator (PMI) or a channel quality indicator (CQI) in a wireless communication system. The UE reports the RI to an evolved Node B (eNB), drops a report of the PMI after reporting the RI to the eNB, and reports the CQI to the eNB after dropping the PMI report. A rank value corresponding to the RI is changed from a rank value corresponding to a most recently reported RI before reporting the RI to the eNB. The CQI is determined based on the RI and a precoding matrix that does not correspond to the dropped PMI report.
Apparatus and method of reporting logged measurements in a wireless communication system
The present invention provides an apparatus and method of reporting logged measurements in a wireless communication system. User equipment receives an MDT (Minimization of Drive Tests) configuration from a base station, and logs a measurement on the basis of the MDT configuration in order to collect logged measurements. The user equipment determines whether the logged measurement needs to be reported. If it is determined that the logged measurement needs to be reported, the user equipment transmits to the base station a report indicator indicating the need for reporting of the logged measurement.
Methods, apparatus and systems for minimization of drive tests (MDT) based on QoS verifications
A method of managing one or more test measurements associated with a communication system using a wireless transmit/receive unit (WTRU) is disclosed. The method includes receiving, by the WTRU, a measurement configuration including at least a trigger indicating a condition or event for initiation of the one or more test measurements; determining, by the WTRU, whether the trigger has been satisfied, as a determination result; initiating the one or more test measurements in accordance with the determination result; and measuring, by the WTRU, the one or more test measurements.
Signal noise estimation
Estimation of noise within signaling is contemplated. The noise estimation may be beneficial in detecting noise within signaling in order to facilitate error correction or other corrective measures without having to process transmitted data being transmitted within the signaling. The noise estimation may be based on pilot tones included within frequency division multiplexed signaling.
Method and system for measuring network operation related parameters in a mobile communication network
A method for measuring network operation related parameters in a mobile communication network with a core network and a radio-access network, preferably in form of a LTE- or UMTS-network, includes the steps of a) configuring an entity in the mobile communication network for measuring including network operation related parameters to be measured, b) selecting a measuring entity, c) measuring the network operation related parameters by the measuring entity, and d) analyzing the measured parameters wherein a filtering is performed prior to step d), wherein the filtering is performed on an entity in the radio access network of the mobile communication network and wherein the filtering reduces the amount of data of the measured network operation related parameters for step d). A system for measuring network operation related parameters is also described.
Reducing in-device interference between multiple wireless communications of a multi-mode mobile device
A particular method includes predicting, by a mobile device, that interference may occur during one or more specified time slots of a set of upcoming scheduled time slots of a wireless communication channel. The method also includes sending a message to a network device instructing the network device to prevent sending information to the mobile device during the one or more specified time slots.
Methods for monitoring paging messages with reduced power consumption and communications apparatuses utilizing the same
A method for monitoring paging messages in a mobile station with a subscriber identity card camping on a cell is provided. A paging channel is monitored at every end of predetermined time interval subsequent to the last monitored time. It is detected whether the same identity information is repeatedly broadcasted in the paging channel at different ends of predetermined time interval. A new time interval is determined when detecting that the same identity information is repeatedly broadcasted. The paging channel is monitored at every end of new time interval subsequent to the last monitored time so as to receive subsequent paging messages from the cell, wherein the new time interval is longer than the predetermined time interval.
Fractional frequency re-use and beamforming in relay nodes of a heterogeneous network
Methods of operating a base station serving a cell in a heterogeneous network and at least one relay node serving a subcell of the cell, in which a user equipment unit connects to the network via the base station or the relay node, are provided. The methods include receiving uplink access (Uu) signals at the relay node from the user equipment unit in a first frequency range, and transmitting uplink backhaul (Un) signals from the relay node to the base station in a second frequency range that is different from the first frequency range.
Access point apparatus for configuring next generation wireless communication network and method of operating the access point apparatus
Disclosed are an access point apparatus for configuring a next generation wireless communication and a method of operating the access point apparatus. The access point apparatus for configuring the next generation wireless communication may include a verification unit to verify a first available band associated with at least one of a first band and a second band; and a configuration unit to configure a backbone network with another access point apparatus positioned within a predetermined distance, through the verified first available band.
Method and apparatus for dynamic frequency selection in wireless local area network system
A method of dynamic frequency selection by an access point (AP) in a basic service set (BSS) in a wireless local area network is provided. The access point configured to communicate over a primary subchannel and a secondary subchannel. The method includes: transmitting a frame including a quiet element and a quiet channel element; and performing channel measurements in the quiet interval. The quiet element defines an quiet interval during which no transmission occurs, the quiet channel element indicates that the secondary subchannel is to be quieted during the quiet interval, and the quiet channel element indicates a condition under which the primary subchannel may be used during the quiet interval.
Method and apparatus for interference management between networks sharing a frequency spectrum
A method and system are provided that allows a wireless terminal to share an allocated frequency spectrum for communications over two different networks while mitigating cross interference. For wireless terminals equipped with a single antenna, interference mitigation may be achieved by allocating first communication channels to a first network and allocating second communication channels to a second network, wherein the second communication channels are allocated within one or more of the first communication channels. For wireless terminals having multiple antennas, interference mitigation may be achieved with two orthogonally polarized antennas, where each antenna is used for communications with a different network. Consequently, a wireless terminal having a channel allocation for communicating over the first wireless network may reuse the same channel allocation to establish a communication link with a second wireless terminal via a second wireless network using at least part of the channel allocation for the first wireless network.
Voice recognition for performing authentication and completing transactions in a systems interface to legacy systems
A user is provided with access to a systems interface to back-end legacy systems using voice inputs. The user dials-in to the voice server using an access device. A voice recognition server performs voice authentication, speech recognition, and speech synthesis. The voice server authenticates the user based on a voice exemplar provided by the user. Using speech synthesis, the voice server provides a menu of operations from which the user can select. By speaking into the access device, the user selects an operation and provides any additional data needed for the operation. Using speech recognition, the voice server prepares a user request based on the spoken user input. The user request is forwarded to the systems interface to the legacy systems. The systems interface includes a protocol server for providing a protocol interface and a transaction server for receiving user requests and generating legacy transactions. The systems interface retrieves information from the legacy systems based on the user request and forwards this information to the voice server. The voice server formats the information and outputs the information to the access device as speech and/or text.
Systems and methods for remote authorization of financial transactions using public key infrastructure (PKI)
The invention relates to systems and methods for secure, remote, wireless submission of financial transactions. Authentication and authorization functionality are provided through use of proof of possession tests, a token service that provides a user device with a token that includes user entitlement data, and high assurance digital certificates.
Method for selecting access point with reliability
A terminal which selects an access point (AP) and a method thereof are provided. The method for selecting the AP includes: receiving a plurality of packets from a plurality of APs which provide wireless communication services, analyzing the received plurality of packets and calculating reliability for security of the plurality of APs, and displaying the calculated reliability and identification information of the plurality of APs.
Physical cell identity allocation
The invention discloses Physical Cell Identity (PCI) allocation in a cellular network. Radii of an inner boundary circle of a first and second cell are each estimated according to a cell distance relation model. Signal strengths within the inner boundary circles of the first and second cells are each greater than a first threshold. Then radii of an outer boundary circle of the first and second cell are each estimated according to the cell distance relation model. The signal strengths within the outer boundary circles of the first and second cells are each greater than a second threshold, where the second threshold is lower than the first threshold. The second cell is allocated a PCI based on a distance relation between the first cell and the second cell.
Mobile device configuration system and method
An asset bundle package is created with asset bundle package records for at least two user types and from one or more mobile phone service operators. The asset bundle package and asset bundle record selection criteria are installed on a mobile computing device. A boot routine uses the asset bundle record selection criteria to select asset bundle records required to configure the mobile computing device for at least one of the two user types.
LTE subscriber identity correlation service
Various exemplary embodiments relate to a method performed by a network node for correlating subscriber IDs in a communication network, the method including: receiving a message from another network node that relates to an application function containing information related to a subscriber of the application function; extracting subscriber identification information for the message; determining if the extracted subscriber identification information is found in a correlation object in a correlation object database; if the extracted subscriber identification information is found, then adding the extracted subscriber identification information to the correlation object found in the correlation object database.
Service control apparatus, relay apparatus, femtocell base station, communication system, control method and program
In order to enable a communication system introduced with a femtocell base station using an IMS network, to perform PS service similar to that of the existing 3G network, a service control apparatus (SGSN functional unit), based on the UE's message transmitted to the femtocell base station (FAP), acquires UE's subscriber information for PS (Packet Switching) service, from a HLR and registers the subscriber information in a VLR that is present on the IMS network. Then, service control apparatus performs PS service based on the subscriber information registered in the VLR.
Payment authentication systems
An authentication server and a method of enabling a user of a communications capable device to make a payment via a mobile operator billing system are described. The authentication server determines a user identifier string for sending to a communications capable device according to a probability of successful entry by a user. The user identifier string is linked to the content item data and the string sent to the communications capable device. The user responds, via a mobile network, by sending a short message service (SMS) based user response. The response is compared to previously transmitted user identifier messages, and billable user identity data appended to the SMS by the mobile network can be used to associate the transaction in process with billable identity data derived from the carrier data to enable a user's mobile phone account to be billed for the purchase.
Location-based discovery of network members by personal attributes for alternate channel communication
User mobile devices are equipped to discover each other through an ad hoc network, based on their location and proximity or based on mobile network reporting to one another. Locations may be reported through global positioning methods and cross-referenced by other users. Following discovery and consent, the mobile devices are connected to one another via various means, other than the ad hoc network, and utilize functions provided by services such as SMS, E-mail, chat/instant messaging, multimedia, or video. The users may be members of a common social network, and can thereby exchange social network attributes.
Method and apparatus for location based networking sessions
In accordance with one example embodiment of the present invention a method comprises at least partially controlling the functionalities of a session area wherein said session area can be either in an active status or in a passive status according to at least one predetermined time window, said session area defining the boundaries for a location based group session event for members of one or more predetermined groups belonging to one or more social networks.
Media services with access control
Systems and methods are describe wherein a service provider provides media services that can include, but are not limited to, telephone, radio, interactive and television services. A user residence and/or a user receiving device are designated as a primary location or device for receiving the services of the service provider. An authorization center authenticates a request to provide the service(s) at one or more secondary location/device. The verification process can include, but is not limited to, password(s), Personal Identification Numbers (PIN) and biometric identifiers such as voice, retina, finger print and DNA.
Mobile terminal, server and calling method based on cloud contact list
The present disclosure relates to a mobile terminal, a server and a calling method based on a cloud contact list. The method comprises: obtaining number information of a calling party according to a calling request from the calling party; sending an inquiry request to a cloud contact list server according to the number information of the calling party; receiving contact information corresponding to the number information of the calling party from the cloud contact list server; and displaying the contact information. When a cold call is received from an unknown number, the mobile terminal, server and calling method based on the cloud contact list provided in the present disclosure may obtain the contact information corresponding to the number from the cloud contact list, and then display the contact information to the user. In this way, the user can get to know the contact information associated with the unknown number.
Management of network access requests
Methods, systems, and devices are described for intercepting requests from applications installed on a mobile device. The requests are system calls that establish communication channels for the mobile device. The requests are captured and held from reaching TCP/IP stack of an operating system executing on the mobile device. An intercepted request is aggregated with other intercepted requests. The aggregated requests are bundled together and released to the operating system upon the detection of a triggering event. The capture, holding, and aggregation of requests from applications occur when the mobile device is in a background mode.
Identifying caller name for output on mobile phone devices
According to one embodiment, a method for determining a name associated with an incoming phone call includes receiving an incoming phone call on a mobile phone device, determining a phone number from which the incoming phone call originated, outputting the originating phone number on the mobile phone device, accessing a remote site for determining a name associated with the originating phone number, and outputting the name associated with the originating phone number on the mobile phone device. In another embodiment, a method includes receiving a phone number from a mobile phone device at least in part via a wireless link, determining a name associated with the phone number, and sending the name associated with the phone number to the mobile phone device at least in part via a wireless link. Other methods, systems, and computer program products for determining a name associated with an incoming phone call are also described.
Enhanced delivery of messaging data traffic
Devices, systems, and methods are disclosed for delivering enhanced message content to subscribers and for overcoming common incompatibilities found in message delivery mechanisms. Exemplary embodiments profile an intended recipient's network capabilities, the intended recipient's device, and/or the recipient's service feature profile. This profile is leveraged to predictively and adaptively adjust the subsequent enhanced message content delivery process. Further, content modification can be applied for those cases where there is a defined mismatch that can be handled in order to facilitate delivery of the substance of the enhanced content. Finally, in cases where the content needs to be delivered intact to the intended recipient, but where the recipient network, the recipient's device and/or the recipient's service profile do not allow for delivery, the content may be delivered to an alternative device or system. These alternative devices or systems may be managed by the sender, the recipient, or a service provider's network.
Message delivery receipt transmission in a wireless communication system
A data message service system comprises a communication transceiver and a processing system. The communication transceiver is configured to receive a data message from a first wireless communication device for delivery to a second wireless communication device, wherein the data message indicates a delivery receipt request. The processing system is configured to, responsive to the delivery receipt request, store an identifier of a service node serving the first wireless communication device. The processing system is further configured to direct the communication transceiver to transfer the data message for delivery to the second wireless communication device, and transfer a delivery receipt for delivery to the first wireless communication device using the identifier of the service node serving the first wireless communication device.
Generating spatial models using crowdsourcing
Contextual spatial models for indoor and outdoor structures are created from a plurality of devices using crowdsourcing. A method for creating a contextual spatial model for a premises includes receiving location information and contextual information from a plurality of devices. For each of the plurality of devices, the method receives location information of the device's location, and contextual information related to at least one of the device and a user associated with the device when the device is at the location. The method then determines a designation for each subject location within the premises by applying the received contextual information associated with the subject location to a location model (e.g., rules-based model or a machine learning model).
Compact codes for geographic locations
Systems and methods for generating a compact code that accurately identifies the position of a point on the Earth or other body are provided. The compact code can signify the position of a place in a manner that is easy to remember, easy to use, and in a way that allows a person to find the location without having to depend on local directions. The compact code can be generated independent of house numbers, street names, zip codes, local character sets and other current addressing tools. The compact code can be used for a variety of applications. For instance, the compact code can be associated with points of interest in a geographic information system, can be used to geolocate information, and/or can be used to navigate to a particular geographic location.
Cell location estimation
Techniques are disclosed for estimating a cell center and/or coverage area of an antenna, and geographic coverage of cell IDs associated therewith, using crowdsourcing data from mobile phones. The techniques described herein can utilize two different data sets to accommodate changes in the geographical coverage associated with a cell ID and reduce the probability of putting the cell center estimate in awkward or unlikely locations.
Personal lifestyle device
A handheld device including a memory, a wireless interface, and a non-wireless interface. The memory is configured to store authentication information in the handheld device. The authentication information identifies a user of the handheld device. The wireless interface is configured to interface the handheld device to a wireless network, and to permit the user of the handheld device to communicate with the wireless network based on the authentication information stored in the memory of the handheld device. The non-wireless interface is configured to interface the handheld device to a remote device including an interface compatible with the non-wireless interface of the handheld device, and to permit the remote device to communicate with the wireless network via the wireless interface of the handheld device.
Method for transmitting signal using short range communication and electronic device thereof
A method and electronic device for transmitting an emergency signal. The method includes: establishing a short-range communication link with a counterpart electronic device using a first short-range communication network; generating an emergency signal when the short-range communication link with the counterpart electronic device is cut off; and broadcasting the emergency signal using a second short-range communication network.
Method and apparatus of providing SIM profile for embedded universal integrated circuit card
There are provided a method of providing a SIM profile to an eUICC device online and a device using the same. The method of providing the SIM profile includes purchasing the SIM profile provided in an app store using a user device capable of accessing the app store, downloading the purchased SIM profile in the eUICC device using the eUICC device capable of accessing the app store, and installing the SIM profile, that is downloaded in the eUICC device, in the eUICC device therein. Therefore, it is possible to purchase the SIM profile using the online app store that is operated in a variety of forms and easily install the purchased SIM profile in the eUICC device.
Wireless communication apparatus, wireless communication system, wireless communication method, X-ray sensor, and program storage medium
A wireless communication apparatus includes an X-ray sensor that transmits X-ray image data, a wireless access point that receives the X-ray image data from the X-ray sensor by wireless communication, and an entry apparatus that communicates with the X-ray sensor by short-range communication. A wireless setting apparatus sets wireless communication parameters for starting the wireless communication between the X-ray sensor and the wireless access point to the wireless access point and sets the same wireless communication parameters as those set to the wireless access point to the X-ray sensor by performing short-range wireless communication from the entry device.
Multi-dimensional audio transformations and crossfading
A system for generating mixed audio output using a multi-dimensional audio map includes a computer processor and a multi-dimensional crossfader configured to implement a method. A first audio file is read. A multi-dimensional audio map includes a plurality of audio attribute layers, each including a first dimension representing an audio attribute value for a location defined by at least two other dimensions within a multi-dimensional space. A path is determined to transition between two points in the multi-dimensional audio map. A transition is performed between the two points in the multi-dimensional audio map by selecting corresponding values from each of the plurality of audio attribute layers between the two points. A mixed output is generated by applying the corresponding values from each of the plurality of audio attribute layers between the two points to a portion of the first audio file.
System and method for variable decorrelation of audio signals
Various embodiments relate to a system and method for decorrelating an audio signal with a hybrid filter. The hybrid filter is generated by first generating a decorrelation filter. A frequency-dependent warping is applied to the decorrelation filter. The warped decorrelation filter is then mixed with a carrier filter to generate the hybrid filter. The carrier filter may include filters for spatial processing of an audio signal, filters for upmixing an audio signal, and/or filters for downmixing an audio signal.
Structure and method for integrated microphone
The present disclosure provides one embodiment of an integrated microphone structure. The integrated microphone structure includes a first silicon substrate patterned as a first plate; a silicon oxide layer formed on one side of the first silicon substrate; a second silicon substrate bonded to the first substrate through the silicon oxide layer such that the silicon oxide layer is sandwiched between the first and second silicon substrates; and a diaphragm secured on the silicon oxide layer and disposed between the first and second silicon substrates, wherein the first plate and the diaphragm are configured to form a capacitive microphone.
Microelectromechanical system (MEMS) microphone with protection film and MEMS microphonechips at wafer level
A method to protect an acoustic port of a microelectromechanical system (MEMS) microphone is provided. The method includes: providing the MEMS microphone; and forming a protection film, on the acoustic port of the MEMS microphone. The protection film has a porous region over the acoustic port to receive an acoustic signal but resist at least an intruding material. The protection film can at least endure a processing temperature of solder flow.
MRI safe actuator for implantable floating mass transducer
An implantable hearing prosthesis for a recipient patient is described. An implantable signal transducer includes one or more electromagnetic drive coils for receiving an electrical stimulation signal and a cylindrical transducer magnet arrangement including an inner disk magnet having a first magnetic field direction, and an outer annular magnet surrounding the inner rod magnet and having a second magnetic field direction opposite to the first magnetic field direction. Current flow through the one or more electromagnetic drive coils from the electrical stimulation signal creates a coil magnetic field that interacts with the magnetic fields of the transducer magnet arrangement to create vibration in the transducer magnet which is developed by the signal transducer as a mechanical stimulation signal for audio perception by the patient.
Digital signal processor with search function
A device that enables easy, reliably performance of a search at a desired position even in the case of a one-bit digital signal.A control section of a digital signal processing device extracts a one-bit digital signal of a predetermined period from a memory section at a position designated by a jog dial and iteratively outputs the signal to a multi-bit converter. The multi-bit converter converts the one-bit digital signal into a multi-bit signal, and a multiplier subjects the multi-bit signal to fade-in and fade-out processing. A ΔΣ modulator re-converts the thus-processed signal into the one-bit digital signal, outputting the digital signal.
Virtual surround for loudspeakers with increased constant directivity
A speaker system includes a first array of transducers in a speaker enclosure and, and at least a second array of transducers in the speaker enclosure. The second array is a low-frequency array and the first array is a high-frequency array. The transducers in the first array are configured to have an operating frequency region covering at least the frequency ranges of the first array and the second array, and the transducers in the second are configured to have an operating frequency region covering at least the frequency ranges of the first array and the second array. The speaker system further includes an input port, and a controller operatively coupled with the input port. The controller is configured to provide an electronic-audio signal to the transducers such that the first array and the second array are tuned to different center frequencies and are a two stage dipole beamforming array.
Apparatus and method for localizing a sound image, and a non-transitory computer readable medium
According to one embodiment, a sound localization apparatus includes a storage unit, a selection unit, and a first operation unit. The storage unit stores a plurality of acoustic transfer characteristics each corresponding to a sound image direction and an emphasis degree of feeling of localization. The selection unit is configured to select a suitable acoustic transfer characteristic from the plurality of acoustic transfer characteristics. The suitable acoustic transfer characteristic is most suitable for the sound image direction indicated by a direction indication information and the emphasis degree indicated by an emphasis degree indication information. The first operation unit is configured to convolute the suitable acoustic transfer characteristic with a first audio signal to obtain a second audio signal.
Multitask learning method for broadband source-location mapping of acoustic sources
A method involves acoustic source localization by capitalizing on the sparse nature of a source location map (SLM). Sparsity arises naturally since one seeks the location of K sources in a grid of G tentative locations where G>>K. The source localization problem is cast as a regularized LS regression problem with a sparsity constraint whose solution yields the SLM. An iterative solver based on block coordinate descent (BCD) is used. BCD leads to scalar closed-form updates rendering the method's computational complexity per iteration linear with respect to the grid size. The disclosed method enables high resolution location estimation with fewer array measurements than classical matched field processing methods.
Multichannel acoustic echo reduction
A multichannel acoustic echo reduction system is described herein. The system includes an acoustic echo canceller (AEC) component having a fixed filter for each respective combination of loudspeaker and microphone signals and having an adaptive filter for each microphone signal. For each microphone signal, the AEC component modifies the microphone signal to reduce contributions from the outputs of the loudspeakers based at least in part on the respective adaptive filter associated with the microphone signal and the set of fixed filters associated with the respective microphone signal.
Apparatus and method for tracking locations of plurality of sound sources
Disclosed are an apparatus and a method for tracking locations of a plurality of sound sources. According to the apparatus and the method, a task for searching sound source candidates is repeated at respective predetermined frames of microphone signals to collect sound source candidates, and only the collected sound source candidates are verified through beamforming, thereby more rapidly and accurately tracking the plurality of sound sources in spite of using a small number of microphones.
Noise suppressing method and a noise suppressor for applying the noise suppressing method
A method for suppressing noise of a first signal captured via a primary microphone is provided. A primary and a reference microphone are arranged on a communication device to capture noise and intermittent speech. A determination is made whether the first signal comprises non-stationary signal components or substantially stationary noise, and whether the first signal comprises substantially far-field noise in case it was determined that it comprises non-stationary signal components. A noise power spectrum estimate of the first signal is updated with a stationary noise power spectrum estimate if the first signal is considered to comprise substantially stationary noise or a far-field noise power spectrum estimate if the first signal is considered to comprise substantially far-field noise. A frequency response is computed on the basis of the estimated noise power spectrum. Noise from the first signal is suppressed by applying the frequency response on the first signal.
Method and apparatus for acoustic area monitoring by exploiting ultra large scale arrays of microphones
Systems and methods are provided to create an acoustic map of a space containing multiple acoustic sources. Source localization and separation takes place by sampling an ultra large microphone array containing over 1020 microphones. The space is divided into a plurality of masks, wherein each masks represents a pass region and a complementary rejection region. Each mask is associated with a subset of microphones and beamforming filters that maximize a gain for signals coming from the pass region of the mask and minimizes the gain for signals from the complementary region according to an optimization criterion. The optimization criterion may be a minimization of a performance function for the beamforming filters. The performance function is preferably a convex function. A processor provides a scan applying the plurality of masks to locate a target source. Processor based systems to perform the optimization are also provided.
Directional microphone device, acoustic signal processing method, and program
A directional microphone includes: a microphone which generates a first acoustic signal that has sensitivity in a target direction; a microphone which generates a second acoustic signal that has a blind spot in sensitivity in the target direction; a correction unit which multiplies, in a frequency domain, the second acoustic signal by the first acoustic signal N times, where N is greater than zero, to generate a third acoustic signal which includes the second acoustic signal that has a narrowed angular range of the blind spot in sensitivity in the target direction; and a suppression unit which performs noise suppression using the first acoustic signal as a main signal and the third acoustic signal generated as a reference signal, to generate an output acoustic signal which is the first acoustic signal that has narrowed directivity in the target direction.
Electrically conductive membrane pump/transducer and methods to make and use same
An improved electrically conductive membrane pump/transducer. The electrically conductive pump/transducer includes an array of electrically conductive membrane pumps that combine to move a larger membrane (such as a membrane of PDMS). The electrically conductive membranes in the array can be, for example, graphene-polymer membranes.
Electrically conductive membrane pump/transducer and methods to make and use same
An improved electrically conductive membrane pump/transducer. The electrically conductive pump/transducer includes an array of electrically conductive membrane pumps that combine to move a larger membrane (such as a membrane of PDMS). The electrically conductive membranes in the array can be, for example, graphene-polymer membranes.
Ear tip with stabilizer
Methods and apparatuses for delivering sound to a user ear are disclosed. In one example, an apparatus for delivering sound to an ear canal includes a body dimensioned to fit in a cavum concha area of a user ear, and a stabilizer member extending from the body arranged to bypass contact with a crus helix and contact a concha area of the user ear.
Portable audio speaker system that attaches to clothing or other structures via magnet
A portable audio speaker system includes at least one speaker/housing assembly, each speaker/housing assembly including a speaker disposed inside of a housing, wherein the housing includes at least one of a magnet or a metal plate allowing the speaker/housing assembly to be attached to an item magnetically. The portable audio speaker system may include wired or wireless communication connection to the speaker/housing assembly, such as from a portable music player or other audio source.
Social network-based automated program channel recommender
Method, device, and non-transitory storage medium to obtain program historical data and social network data associated with users that receive one or more programs via one or more channels; calculate a social similarity value; calculate a channel-interest similarity value; calculate a similarity index value based on the social similarity value and the channel-interest similarity value; calculate a program weight value for each program; calculate a stay-time, for each channel, that indicates a time period each of the users remained on each channel; calculate based on each program weight value, each stay-time, and each similarity index value, a channel weight for each channel; and select based on each channel weight, one or more channels to recommend to at least one of the users.
Method and system for providing realistic broadcasting image
A method of providing a realistic broadcasting image including an ultra high definition (UHD) image, the method including generating a first encoding stream from a high definition (HD) image, generating a second encoding stream from at least one of a UHD image and an image restored from the first encoding stream, generating a third encoding stream from at least one of the UHD image and an image restored from the second encoding stream, generating a first transmission stream by applying at least one of packetization, synchronization, and multiplying to the first encoding stream and the second encoding stream, generating a second transmission stream by applying at least one of packetization and synchronization to the third encoding stream, transmitting the first transmission stream via a first transmission channel, and transmitting the second transmission stream via a second transmission channel having a lower transmission capacity than the first transmission channel.
Method and apparatus for discovering internet protocol television service (IPTV) provider and IPTV service by using session initiation protocol
Provided are a method and apparatus by which a first entity receives information about one or more Internet Protocol Television (IPTV) service providers or information about one or more IPTV services from a second entity by using a Session Initiation Protocol (SIP) message.
Systems and methods for managing data in an intelligent television
An intelligent television can store and retrieve data about various functions of the television or associated with user behavior. The stored data streamlines the processes of providing electronic programming guide information, providing search results, providing statistics about content, providing channel information, etc. The unique set of data services in the intelligent television receive, store, manage, and retrieve the data for various of the applications or components.
Distribution system for subscription-based programs
Methods and systems provide users with access to subscription-based programs on mobile devices. The programs include television programs associated with a television service package, on-demand programs, and at least one of television programs or on-demand programs recorded by users on digital video recording devices.
Media content based advertising survey platform methods
The MEDIA CONTENT BASED ADVERTISING SURVEY PLATFORM METHODS (“AD-SURVEY”) transforms user advertisement exposure data via AD-SURVEY components, into ad effects data including user responses to survey questions. A method is disclosed, comprising: obtaining TV program schedule listing data including a plurality of ad tags at a server; providing the obtained TV program schedule listing data to a user mobile device, receiving a user media program selection message from the user mobile device; retrieving an ad tag associated with the user selected media program from the TV program schedule listing data; extracting key terms from the ad tags based by parsing ad contents; querying a survey question list based on the extracted key terms; generating and sending a survey question from the query to the user mobile device; and obtaining a user reaction to the survey question.
Use of messages in or associated with program signal streams by set-top terminals
Methods of operating a communications system comprise, in one example, inserting advertising in a program stream by a receiving device based, at least in part, on an encrypted segmentation message embedded in the program steam. The at least one segmentation message defines an expanse of the program stream to receive the advertising. At least one embedded decoy message is included in the program stream, as well. In one example, the receiving device, which may be a set-top terminal, for example, is coupled to a display device, such as a television, at a user location. A method of operating a receiving device coupled to a display device at a user location is also disclosed, comprising programming the receiving device to record a program and recording the program based, at least in part, on at least one segmentation message in a program stream. Systems are disclosed, as well.
Systems and methods for electronically tagging a video component in a video package
Disclosed herein are systems and methods for electronically tagging a video component (VC) in a video package. One example method includes the steps of: (i) receiving a video package; (ii) identifying a position of each of multiple video sections (VS) in the received video package; (iii) identifying a type of at least a portion of the VSs having identified positions, wherein at least one VS is identified as having a show-segment VC type; (iv) determining a total duration of the VSs identified as having a show-segment VC type; (v) determining a total count of the VSs identified as having a show-segment VC type; (vi) responsive to determining that the determined total duration is within a threshold range of a predetermined duration, associating tagging data with the received video package, wherein the tagging data indicates the position and type of each VS identified as having a show-segment VC type.
Method for transmitting and receiving broadcast signals, and broadcast reception device using said method
Disclosed are a method and device for transmitting and receiving broadcast signals. The disclosed reception method comprises a step for extracting second program table information which indicates the association properties between a plurality of programs, the programs being obtained by using a broadcast stream which comprises at least one program, program table information which indicates the broadcast stream, and at least one broadcast service, from a received broadcast signal. The method further comprises a step for parsing the broadcast stream by using the extracted program table information; and a step for acquiring information about the groups to which the plurality of programs belong by using the extracted second program table information.
Method and an apparatus for detecting media content recordings
A method for detecting the scheduled recording of a particular media content on multiple devices is described. In response to detecting that the particular media content is scheduled for recording on multiple devices, a notification may be provided to at least one of the multiple devices that the particular media content is scheduled for recording on the multiple devices. The particular media content may then be synchronously displayed on the multiple devices. A time may be selected by one of the devices to synchronously play the particular media content on the multiple devices based on a user availability calendar accessible through each of the devices. A time may also be suggested to receive a user confirmation for the suggested time.
Method and apparatus for interactive control of media players
A method and system are provided in which a wireless controller, such as a smart remote controller or smartphone, for example, may interact with a media device through an adaptive, two-way feedback control scheme. The wireless controller may receive signals from a media player that comprise control information associated with an application on the media player. The wireless controller may then display a control page or user interface on a touch screen. A layout of the control page may be configured based on the control information received by the wireless controller. Once displayed, the control page may enable a user to provide one or more instructions to the wireless controller through the touch screen. The wireless controller may communicate to the media player the instructions provided to the wireless controller. Those instructions are communicated to the media player to control the operation of the application on the media player.
Server GPU assistance for mobile GPU applications
Various technologies described herein pertain to performing collaborative rendering. A GPU of a mobile device can generate a mobile-rendered video stream based on a first instance of an application executed on the mobile device. A GPU of a server can generate one or more server-rendered video streams based on instance(s) of the application executed on the server. Based on the one or more server-rendered video streams, the server can generate a compressed server-manipulated video stream. The mobile device can further combine the mobile-rendered video stream and the compressed server-manipulated video stream to form a collaborative video stream, and a display screen of the mobile device can be caused to display the collaborative video stream. The mobile-rendered video stream can have a first level of a quality attribute and the collaborative video stream can have a second level of the quality attribute greater than the first level of the quality attribute.
Methods and systems for reducing spillover by measuring a crest factor
Methods, apparatus, and articles of manufacture for reducing spillover in a media monitoring system are disclosed. An example method includes comparing a first crest factor stored in association with a media identifier to a second crest factor calculated by a first meter, the second crest factor corresponding to a ratio of a peak amplitude of an audio signal and a root mean square value of the audio signal. The example method also includes determining that spillover did not occur if a difference between the first crest factor and the second crest factor satisfies a threshold, and when the spillover did not occur, crediting a media exposure to media associated with the audio signal.
Audio/video channel bonding configuration adaptations
A data communication architecture delivers a wide variety of content, including audio and video content, to consumers. The architecture employs channel bonding to deliver more bandwidth than any single communication channel can carry. In some implementations, the communication architecture communicates content according to an initial bonding configuration. The communication architecture may adjust the bonding configuration to adapt to bonding environment changes affecting the communication capabilities or requirements associated with transmitting the content.
Using black-frame/non-black-frame transitions to output an alert indicating a functional state of a back-up video-broadcast system
In one aspect, an example method for outputting an alert indicating a functional state of a back-up video-broadcast system involves: a computing device receiving a first video-stream that represents first video-content; the computing device generating a first signature based, at least in part, upon an extent of black-frame/non-black-frame transitions included within the first video-content; the computing device receiving a second video-stream that represents second video-content; the computing device generating a second signature based, at least in part, upon an extent of black-frame/non-black-frame transitions included within the second video-content; the computing device making a determination that the generated first-signature and the generated second-signature lack a threshold extent of similarity; and responsive to the determination that the generated first-signature and the generated second-signature lack the threshold extent of similarity, the computing device outputting an alert.
Method and system for providing a home cable network
Methods and systems for cross-protocol time synchronization may comprise, for example, in a premises-based network, receiving, by a network controller in the premises, signals that conform to a first communications protocol. The received signals may be bridged to conform to a second communications protocol different from the first communications protocol, and the bridged signals may be communicated to networked devices within the network, where only signals conforming to the second communications protocol may be concurrently communicated over the network in a frequency range of the first communications protocol and in a frequency range of the second communications protocol, the frequency range used by the first communications protocol not overlapping with the frequency range used by the second communications protocol. The first communications protocol signals may comprise data over cable service interface specification (DOCSIS) signals, cable, and/or or satellite television signals.
Methods and apparatus for error rate estimation
Methods and apparatus for estimating received error rates. In one embodiment, the estimation of received error rates is conducted in relation to a bus interface such as a high-speed High-Definition Multimedia Interface (HDMI) interface, and the method utilizes corrupted symbols that violate TMDS symbol rules, the corrupted symbols being easily detected and counted. In one exemplary implementation, a symbol error rate (SER) can be estimated from the number of detected invalid symbols. The SER can be used to diagnose the performance of the HDMI interface, and optionally as a basis for selecting or implementing corrective action(s).
Encoding method, decoding method, encoding device, and decoding device
A encoding apparatus decomposes an original image into M (M is an integer and M>2) uniform subbands, and encodes the decomposed signals by using an embedded type entropy encoding method. A decoding apparatus receives the coded data encoded by the encoding apparatus, extracts N signals from the coded data from a low frequency component side in decomposed signals, decodes the N signals by using an entropy decoding method, and synthesizes the N decoded signals to obtain a decoded image of a resolution of N/M times (M and N are integers, and 1≦N≦M and M>2) that of an original image.
Image encoding apparatus and method for allowing motion vector detection
An apparatus detects a motion vector using image data to be encoded, and a plurality of reference image data. The apparatus conducts a motion vector search for first reference image data using a large block obtained by dividing the image data to be encoded, and divides the large block into a smaller block size at the position of a smallest matching error. The apparatus determines a block size used in a motion vector search for another reference data based on matching errors in the small blocks.
Method and apparatus for processing video signal
The present invention relates to a method and apparatus for processing a video signal, which can increase the accuracy of the motion vector prediction through motion vector scaling which takes a difference in the temporal distance between reference pictures into consideration. To this end, the present invention provides a video signal processing method and a video signal processing apparatus using the same, and the method comprises the steps of: scaling at least one neighboring partition motion vector for a motion vector prediction of the current partition; scaling the neighboring partition motion vector, which has been selected, when the reference picture of the neighboring partition motion vector is different from the reference picture of the current partition; acquiring a motion vector prediction value of the current partition using the scaled motion vector; and acquiring a motion vector of the current partition using the motion vector prediction value.
Motion vector derivation method, moving picture coding method and moving picture decoding method
A motion vector derivation unit includes a comparison unit for comparing a parameter TR1 for a reference vector with a predetermined value to determine whether it exceeds the predetermined value or not; a switching unit for switching selection between the maximum value of a pre-stored parameter TR and the parameter TR1 according to the comparison result by the comparison unit; a multiplier parameter table (for multipliers); and a multiplier parameter table (for divisors) for associating the parameter TR1 with a value approximate to the inverse value (1/TR1) of this parameter TR1.
Motion vector calculation method
When a block (MB22) of which motion vector is referred to in the direct mode contains a plurality of motion vectors, 2 motion vectors MV23 and MV24, which are used for inter picture prediction of a current picture (P23) to be coded, are determined by scaling a value obtained from averaging the plurality of motion vectors or selecting one of the plurality of the motion vectors.
Image decoding method including determining a context for a current block according to a signal type under which a control parameter for the current block is classified
The image decoding method includes: determining a context for use in a current block to be processed, from among a plurality of contexts; and performing arithmetic decoding on a bit sequence corresponding to the current block, using the determined context, wherein in the determining: the context is determined under a condition that control parameters of neighboring blocks of the current block are used, when the signal type is a first type, the neighboring blocks being a left block and an upper block of the current block; and the context is determined under a condition that the control parameter of the upper block is not used, when the signal type is a second type, and the second type is “intra_chroma_pred_mode”.
Selection of phase offsets for interpolation filters for motion compensation
In one embodiment, a method for encoding or decoding video content is provided. The method determines a plurality of sets of interpolation filters for use in interpolating sub-pel pixel values for a temporal prediction process of video content. Different sets of interpolation filters include different phase offset characteristics. A unit of video content is received. The method then selects one of the set of interpolation filters to interpolate a set of sub-pel pixel values for use in the temporal prediction process for the unit of video content based on characteristics associated with the encoding or decoding of the video content. The one of the set of interpolation filters is selected based on the phase offset characteristic of the one of the set of interpolation filters and the characteristics associated with the encoding or decoding.
Image processing apparatus and image processing method
An image processing apparatus includes a receiving unit configured to receive image data of program content and genre information relating to the program content, a selection unit configured to select a size selection parameter for causing the genre information received by the receiving unit to be reflected in a block size, a determination unit configured to determine a block size in accordance with the size selection parameter selected by the selection unit, the block size being used for orthogonal transformation, and an orthogonal transformation unit configured to perform orthogonal transformation on the image data received by the receiving unit at the block size determined by the determination unit.
Image coding method, image decoding method, image coding apparatus, image decoding apparatus, and image coding and decoding apparatus
An image coding method using arithmetic coding. The method includes: performing arithmetic coding on a first flag that indicates whether or not an absolute value of a target coefficient in a target coefficient block is greater than 1; and performing arithmetic coding on a second flag that indicates whether or not the absolute value is greater than 2. In the arithmetic coding on the first flag and the arithmetic coding on the second flag, it is determined whether or not an immediately-prior coefficient block that has been coded immediately prior to the target coefficient block includes a coefficient having an absolute value greater than a threshold value. Based on a result of the determination, respective contexts to be used in the arithmetic coding on the first and second flags are selected.
Method and system for video picture intra-prediction estimation
Several systems and methods for intra-prediction estimation of video pictures are disclosed. In an embodiment, the method includes accessing four ‘N×N’ pixel blocks comprising luma-related pixels. The four ‘N×N’ pixel blocks collectively configure a ‘2N×2N’ pixel block. A first pre-determined number of candidate luma intra-prediction modes is accessed for each of the four ‘N×N’ pixel blocks. A presence of one or more luma intra-prediction modes that are common among the candidate luma intra-prediction modes of at least two of the four ‘N×N’ pixel blocks is identified. The method further includes performing, based on the identification, one of (1) selecting a principal luma intra-prediction mode for the ‘2N×2N’ pixel block and (2) limiting a partitioning size to a ‘N×N’ pixel block size for a portion of the video picture corresponding to the ‘2N×2N’ pixel block.
Method and device for mixing video streams at the macroblock level
The invention relates to a method and device for mixing video streams in a video mixer device, by means of which a plurality of input video streams from different subscribers which are encoded with code words for macroblocks and in which the code words have interdependencies are combined into an output video stream. The input video streams are at least entropy-decoded to such a degree that the dependencies among the code words are dissolved, wherein the macroblocks are re-organized and mixed with each other, and the mixed macroblocks are entropy-encoded to obtain a new dedicated video stream.
Bypass bins for reference index coding in video coding
In an example, aspects of this disclosure relate to a method for decoding a reference index syntax element in a video decoding process that includes decoding at least one bin of a reference index value with a context coding mode of a context-adaptive binary arithmetic coding (CABAC) process. The method also includes decoding, when the reference index value comprises more bins than the at least one bin coded with the context coded mode, at least another bin of the reference index value with a bypass coding mode of the CABAC process, and binarizing the reference index value.
Automatic calibration of scene camera for optical see-through head mounted display
An apparatus for calibrating an augmented reality (AR) device having an optical see-through head mounted display (HMD) obtains eye coordinates in an eye coordinate system corresponding to a location of an eye of a user of the AR device, and obtains object coordinates in a world coordinate system corresponding to a location of a real-world object in the field of view of the AR device, as captured by a scene camera having a scene camera coordinate system. The apparatus calculates screen coordinates in a screen coordinate system corresponding to a display point on the HMD, where the calculating is based on the obtained eye coordinates and the obtained object coordinates. The apparatus calculates calibration data based on the screen coordinates, the object coordinates and a transformation from the target coordinate system to the scene camera coordinate system. The apparatus then derives subsequent screen coordinates for the display of AR in relation to other real-world object points based on the calibration data.
Display apparatus and method of driving the same
A display apparatus includes a panel module displaying a 2-dimensional (2D) image or a 3-dimensional (3D) stereoscopic image, a lens panel disposed over the panel module and including a first substrate, a second substrate and a liquid crystal layer disposed between the first substrate and the second substrate, the first substrate including a plurality of first electrodes, a plurality of floating electrodes and a plurality of second electrodes, the floating electrodes partially overlapping with the first electrodes and being electrically floated, the second electrodes partially overlapping with the floating electrodes, and a light source module supplying light to the panel module.
Stereo display apparatus having adjustable liquid crystal lens array
A stereo display apparatus is provided, including a display panel and an adjustable liquid crystal lens array. The adjustable liquid crystal lens array includes a liquid crystal layer and first and second substrates disposed at opposite sides of the liquid crystal layer. The first substrate includes first and second electrodes. The first and second electrodes respectively have a plurality of first and second branch portions arranged alternately. There are first and second pitches respectively between two of the first branch portions adjacent and two of the second branch portions adjacent. The second substrate includes a third electrode. When there is an electric potential difference between the third electrode and the first or the second electrode, an equivalent refractive index of the liquid crystal layer progressively increases from the two first or second branch portions adjacent to central of the two first or second branch portions adjacent.
System and method for multi-viewpoint video capture
Embodiments of the present invention disclose a system and method for multi-viewpoint video capture. According to one embodiment, the system includes a camera housing for accommodating both a first multi-imager set and a second multi-imager set, with each multi-imager set including a plurality of optical cameras having different viewpoint directions and configured to produce a source image. Furthermore, each camera in the first multi-imager set and the second multi-imager set include corresponding cameras facing in approximately the same viewpoint direction. The first multi-imager set is positioned laterally adjacent to the second multi-imager set such that lines joining a center of projection of corresponding cameras in the first multi-imager set and second multi-imager set are approximately parallel.
Depth buffer compression for stochastic motion blur rasterization
A depth buffer compression scheme uses bilinear patches as a predictor for depth. The scheme targets compression of scenes rendered with stochastic blur rasterization. A tile of fragments may be split into two or more regions and a higher-degree function may be fit to each region. The residuals are then stored as delta corrections.
Multimedia system and method of performing a playback by means of a multimedia system
Various embodiments relate to a multimedia system comprising a plurality of multimedia sources and a playback unit being configured to perform a requested playback. The multimedia system comprising a control unit configured to automatically extract at least portions of the playback as tracks. The tracks being characteristic audio and/or video parts of the playback. The multimedia system further comprises a communication interface being configured to connect to the Internet and to automatically send first data comprising the tracks to a remote server and further being configured to automatically receive second data in response to the sent first data from the remote server. The second data comprises identification information of the playback. The identification information being determined based on the tracks and uniquely identifying the playback.
An apparatus is provided, which includes a driving circuit. The driving circuit includes a gamma reference source and a liquid crystal display (LCD) source driver circuit. A first resistor string is provided. A plurality of digital-to-analog converters (DACs) are provided, where each DAC is coupled to the first resistor string. An output circuit having a second resistor string is provided so as to output a plurality of reference voltages. The LCD source driver circuit is coupled to the output circuit of the gamma reference source. The source driver is configured to receive the plurality of reference voltages, wherein the plurality of reference voltages are arranged in a first sequence during a positive polarity cycle and are arranged in a second sequence during a negative polarity cycle. The fifth sequence is an inverse of the fourth sequence.
Extending image dynamic range
Enhancing image dynamic range is described. An input video signal that is represented in a first color space with a first color gamut, which is related to a first dynamic range, is converted to a video signal that is represented in a second color space with a second color gamut. The second color space is associated with a second dynamic range. At least two (e.g., three) color-related components of the converted video signal are mapped over the second dynamic range.
Camera system for hazardous environments
A camera system is provided for use in a high-radiation environment includes a camera assembly with a housing enclosing an image sensor for generating a digital signal of a detected image and a first serializer/deserializer (SERDES) for converting the digital signal from the image sensor into a serial bit stream. A transmission medium transmits the serial bit stream to an image processing module located outside of the high-radiation environment where a second SERDES deserializes the serial bit stream to generate a decoded image signal which is processed by an image processor to generate an output at a display device corresponding to the detected image.
Vision display system for vehicle
A vision display system for a vehicle includes a plurality of cameras having exterior fields of view, a first display screen disposed in an interior rearview mirror assembly of the vehicle, and a second display screen disposed at or in a console or instrument panel of the vehicle. The cameras include a rearward viewing camera, a forward viewing camera, a driver side viewing camera and a passenger side viewing camera. The second display screen has a diagonal dimension that is greater than a diagonal dimension of the first display screen. The first display screen is operable to display images captured by the rearward viewing camera during a reversing maneuver of the vehicle and the second display screen displays a surround view image formed as a composite image derived from image data captured by the rearward, forward, driver side and passenger side viewing cameras during a reversing maneuver of the vehicle.
There is disclosed a system and a method of initiating a one-click video chat session. The method includes accessing a database to determine whether the target chat participant has pre-authorized the source chat participant to initiate a chat without requiring acceptance of the chat request, a source chat participant sending a chat request requesting a chat session with a target chat participant while a computing device associated with the target chat participant is not generating any audio component nor any video component, and causing the computing device associated with the target chat participant to begin providing at least one of an audio component and a video component to the source chat participant without any action on the part of the target chat participant.
Implementing channel start and file seek for decoder
A video bit stream with pictures comprising inter-coded content can be decoded upon receiving a channel start or file seek instruction. Pictures for beginning decoding and display of the bit stream can be selected based at least in part on one or more tuning parameters that set a preference between a latency of beginning to display video and possible defects in the displayed video. In some embodiments, to implement decoding upon a channel start or file seek, one or more types of data are generated for one or more pictures. For example, picture order counts are generated for pictures after a channel start or file seek operation. As another example, a decoder generates a frame number value that triggers re-initialization of a reference picture buffer before decoding after a channel start or file seek operation.
Augmented reality system for re-casting a seminar with private calculations
Computer-implemented techniques for viewing a recorded presentation are described. The techniques include receiving by one or more computers a request from a user to view a recorded presentation, retrieving, by one or more computing systems, a segment of the recorded presentation that is comprised of plural segments and information specifying times of occurrences of trigger events associated with corresponding segments in the recorded presentation, retrieving by the one or more computers private information of the user relevant to a first segment of the recorded presentation based on a first trigger event, generating, by the one or more computing systems, a re-cast first segment of the recorded presentation, with the re-cast first segment including the private information of the user, and sending by the one or more computing systems, the re-cast segment to a computing device associated with the user.
Moving image reproducing apparatus capable of adjusting display position of indicator for motion analysis based on displacement information of frames, and moving image reproducing method and recording medium for same
A moving image reproducing apparatus is provided with CPU 8 and a displaying unit 7. A moving image including plural frames of image is displayed on the display unit 7. CPU 8 sets a display position in one of the frames of image and displays a guide-indicator at the display position, wherein the guide-indicator is used for analyzing a specific motion of a person. CPU 8 displays the guide-indicator on each of the frames of image following the frame of image, in which the display position is set, in an overlapping manner. CPU 8 obtains displacement information of a field angle of each of the reproduced frames of image following the frame of image, in which the display position is set. CPU 8 adjusts the display position based on the displacement information, such that the change of the field angle of each frame of image is cancelled.
Optical sensor apparatus
An optical sensor apparatus includes a package having a window; a sensor chip having an array of light receiving devices and a pixel electrode connected to each light receiving device, the sensor chip having an incidence surface that faces the window of the package; and a read-out circuit disposed under the sensor chip, the read-out circuit having a read-out electrode electrically connected to each pixel electrode of the sensor chip. The sensor chip and the read-out circuit are housed in the package. In plan view from the sensor chip, the read-out circuit is overlapped by the sensor chip, and the read-out circuit has no portion extending off the sensor chip.
Photoelectric conversion apparatus
An object of the present invention is to provide a photoelectric conversion apparatus which can enhance photo responsibility. A photoelectric conversion apparatus includes: a photoelectric conversion element configured to output a photo current generated by a photoelectric conversion; a detecting unit configured to detect a potential of an output terminal of the photoelectric conversion element; a feedback input unit configured to input a feedback signal based on the potential detected by the detecting unit; a current detecting unit configured to detect the photo current; and a current amplifier unit configured to generate an amplified current based on the photo current detected by the current detecting unit, and to output the amplified current to the feedback input unit, wherein the feedback input unit outputs a current derived by adding the photo current to the amplified current.
Solid-state image pickup apparatus
A solid-state image pickup apparatus including: two-dimensionally arrayed unit pixels, each including a PD performing optical-electrical conversion of an incident light; an FD and two output terminals provided for each of pixel groups, each including one or more unit pixels, the two output terminals being capable of outputting a noise signal and a signal-noise sum signal separately; first and second transfer lines to which the output terminals are connected in common and which are capable of holding noise signal voltage and signal-noise sum signal voltage, respectively; first switches arranged between the output terminals and the first transfer lines; second switches arranged between the output terminals and the second transfer lines; third and fourth switches provided for the transfer lines, respectively; and third and fourth transfer lines to which the transfer lines are connected in parallel via third and fourth switches, respectively.
Imaging device and signal correcting method
A digital signal processing unit 17 of a digital camera which includes a solid-state imaging element 5 having an imaging pixel cell 30 and a pair of focus detecting pixel cells 31R and 31L determines whether a captured image signal obtained by imaging by the imaging element 5 has a region affected by at least one of the flare and the ghost. And, when it is determined that there is the region, the digital signal processing unit 17 performs correction processing by signal interpolation using an output signal of imaging pixel cells around the focus detecting pixel cell included in the captured image signal on an output signal of all the focus detecting pixel cells included in the captured image signal.
Imaging apparatus and flicker reduction method
An imaging apparatus according to one embodiment of the present invention includes a flicker correction unit for correcting a flicker component using a correction gain. The flicker correction unit includes an integrating unit for calculating a line integrated value from a video signal in one horizontal line in one vertical synchronization period, a normalization unit for normalizing the line integrated value for a plurality of the vertical synchronization periods so as to calculate a normalized line integrated value, an inter-frame DFT processing unit for performing Discrete Fourier Transform on the normalized line integrated value for the plurality of vertical synchronization periods, a flicker component calculation unit for calculating information of a flicker component based on a Fourier Transform processing result, and a correction gain calculation unit for calculating a correction gain based on the information of the flicker component in two or more horizontal lines.
Camera drive device
This camera driving apparatus includes: a camera section with an imaging plane; a movable unit which houses the camera section inside and includes an attracting magnet and a convex partial sphere on its outer surface; a fixed unit which has a depressed portion in which a magnetic body and the movable unit are loosely fit, which brings the convex partial sphere of the movable unit into a point or line contact with the depressed portion under magnetic attractive force of the attracting magnet to the magnetic body, and which allows the movable unit to rotate freely on the spherical centroid of the first convex partial sphere; a panning driving section; a tilting driving section; a rolling driving section; a camera driving section which shifts either the entire camera section or just its lens or image sensor in an optical axis direction with respect to the movable unit; a first detector which detects the tilt angles of the camera section in the panning and tilting directions with respect to the fixed unit; a second detector which detects the angle of rotation of the camera section that is rotating in the rolling direction; and a third detector which detects the magnitude of shift of either the camera section or its lens or image sensor in the optical axis direction.
The present invention relates to a camera module including an auto focusing module vertically moving a lens, a handshake compensation module wrapping the auto focusing module, and tilting the auto focusing module to compensate handshake, a circuit board electrically connected to the handshake compensation module, a bottom case supporting the circuit board and coupled to the auto focusing module, a main circuit board fixed to bottom case and electrically connected to an image sensor module and the circuit board, and a spring unit arranged at a periphery of the main circuit board and having a symmetrical opening having thereinside a gap spaced apart at a predetermined distance.
Focus adjustment unit and focus adjustment method
A focus adjustment unit of the present invention comprises a phase difference detection section for detecting extreme values, based on the image data, a periodicity-containing subject determination section for determining a periodicity-containing subject in the case where the phase difference detection section detects many extreme values having a high degree of correlation, and a control section for, when a periodicity-containing subject has been determined, determining whether or not a difference between a position of the focus lens shown by an extreme value corresponding to a position that is closest to a current focus lens position, and the current focus lens position, is outside a specified range, and if it is determined that the difference is outside the specified range, carrying out a focus adjustment operation based on the extreme value corresponding to the position that is closest to the current position of the focus lens.
Optical apparatus that performs manual focus shooting, and focusing method
An optical apparatus which is capable of, when performing manual focus shooting, freely adjusting a rack focus speed and stabilizing a final focusing accuracy for a shooting subject. Operation of the focus lens, which is driven in a direction of an optical axis by a motor, is controlled in accordance with rotation of a manual focus ring. A position of the focus lens in the direction of the optical axis, which is detected when the focus lens lies at a predetermined position, is stored in a storage unit. According to the relationship between a signal indicative of a current position of a focus lens and a signal indicative of a position of the focus lens, which is stored in the storage unit, the amount by which the focus lens is driven relative to rotation of a manual focus ring is changed.
Signal processing apparatus, image pickup apparatus, and image pickup system
A signal processing apparatus which processes signals obtained from an image pickup element including a plurality of first pixels sharing a first microlens and a plurality of second pixels sharing a second microlens, the first pixels and the second pixels having saturation characteristics different from each other, and the signal processing apparatus includes a saturation detector configured to detect a saturated pixel whose charge amount has reached a saturation level among the first pixels and the second pixels, and an estimating portion configured to estimate the charge amount of the saturated pixel using a nearby pixel of the saturated pixel.
Hand-held device for mounting and wirelessly triggering a camera
Mounting and triggering mechanisms for first person actuation of a camera by an internally mounted remote camera actuator in the form of a handle grip are disclosed for use in any applicable activity, without limitation, such as sporting, recreational, documentary filmmaking and/or photography, or the like.
Arrangement for adjustably mounting a camera
The invention provides for an adjustment arrangement (16) for adjusting a camera and a camera arrangement. The adjustment arrangement (16) comprises a turn plate (20), an upper turn plate (24) and a gear wheel (22) adapted to be placed dependent on a lens (28) used.
Mobile device and optical imaging lens thereof
Present embodiments provide for a mobile device and an optical imaging lens thereof. The optical imaging lens comprises five lens elements positioned sequentially from an object side to an image side. Through controlling the convex or concave shape of the surfaces and/or the refracting power of the lens elements, the optical imaging lens shows better optical characteristics and the total length of the optical imaging lens is shortened.
An image pickup apparatus capable of performing zooming and release operation easily whether the photographer operates with right-handed or left-handed without being lack of design. The image pickup apparatus includes a lens unit, a first ring operation unit that is ring shaped and arranged around the lens unit, a base unit configured to hold the first ring operation unit so that the first ring operation unit is capable of sliding in a first direction and a second direction perpendicular to an optical axis of the lens unit, and a first detector configured to detect a slide of the first ring operation unit in the first direction or the second direction. The first direction and the second direction are opposite to each other.
Case for mobile communications device
A case attachable to a mobile communications device such as a smart phone operatively equipped with a camera can accommodate an optical refractor. The optical refractor can be adapted to change the direction of light rays passing through it. The case can align a first optical surface of the optical refractor with the camera lens and can maintain a second optical surface in a non-parallel arrangement with the first optical surface. The optical refractor can redirect light rays from an unaligned object to the camera lens. In an aspect, the object may be a bar code label.
Theft protection device for a camera unit
The invention relates to a theft protection device for a camera unit (20) that is arranged on a movable protection element (11) of a motor vehicle, said camera unit (20) being used to detect images of the outer area (5). The protection element (11) can be moved between a closed position (1) and an open position (2). In the closed position (1), the camera unit (20) is in the idle position (3) and in the open position (2), the camera unit (20) is in the operational position (4). The protection element (11) comprises a receiving unit (10) for the camera unit (20) on the inner side, the side of the protection element (11) facing away from the outer area (5), a safety element (30) being arranged on the receiving element (10) which safety element reliably maintains the camera unit (20) in the receiving element (10). At least one securing means (14) secures the safety element (30) to the inner side of the protection element (11), and the securing means (14) is arranged at such a distance from the protection element (11) that the securing means (14) cannot be tampered with when the protection element (11) is in the open position (2).
Image saving apparatus, image transfer apparatus and image transmission apparatus
An image transfer system configured with an image transmission apparatus, an image transfer apparatus and the image saving apparatus. The image transmission apparatus transmits image data recorded in a storage medium to the image transfer apparatus. The image transfer apparatus receives the image data, records the image data into a first storage device and transfers the image data to the image saving apparatus in response to a request issued from the image saving apparatus. The image saving apparatus receives the image data and records the image data into a second storage device. The image saving apparatus includes: the second storage device; a communication unit; a recording control unit for controlling read/write of management information; a request receiving unit from a user; a decision-making unit as to whether or not target image data are recorded; an image requesting unit for the target image data; and an image recording unit.
Enriched digital photographs
A method for enriching digital photographs, the method comprising: receiving a digital photograph and video data captured before a time at which the digital photograph is captured until after said time, wherein the video data comprises a sequence of video frames; processing the digital photograph and the video frames to layer the digital photograph and the video frames into a plurality of layers thereby creating a plurality of video layer sequences; defining an order of the plurality of layers; generating playback guidance, the playback guidance defining how to combine the video layer sequences during playback; and transmitting the order, the video layer sequences and the playback guidance to a display device for playback.
Image processing apparatus, image processing method and computer readable recording medium storing program
An image processing apparatus which sets threshold value matrices for performing screen processing using the threshold value matrices for respective pieces of image data for a plurality of colors according to an output image, the apparatus including: an allocation section which distributes and allocates memories to the respective threshold value matrices used for the respective pieces of the image data for the plurality of colors within a range that a total of memory allocation amounts to the threshold value matrices is equal to or less than a predetermined upper limit size; a setting section which sets the threshold value matrices in sizes according to the respective memory allocation amounts; and a storage section which stores the set plurality of threshold value matrices in respective allocated memory areas.
Communicating apparatus, control method therefor, and storage medium storing program
There are provided a communicating apparatus capable of connecting a message recording device and performing facsimile communication, and a control method for the communicating apparatus. In a mode in which the message recording device responds to an incoming call, if it is detected that an incoming call has disappeared, counting by a repeat incoming call timer starts. If a next incoming call is detected before a time-out of the repeat incoming call timer occurs, counting by a message recording monitoring timer for counting a message recording response time starts. If the message recording device does not capture a line before a time-out of the message recording monitoring timer occurs, and the incoming call has not disappeared, facsimile signal reception processing starts.
Image forming apparatus, image reading apparatus and image reading method
An image forming apparatus comprises an automatic document feeder (ADF); a light source configured to irradiate the document conveyed by the ADF with light; a glass member which can be switched to a first mode in which the light from the light source is transmitted and to a second mode in which the light from the light source is reflected; a signal processing circuit configured to include an image sensor for respectively receiving the reflected light of the document and the glass member, read an image of the document in the first mode and generate a signal of a white reference value based on the reflected light of the glass member in the second mode; and a shading correction circuit configured to correct, based on the signal of the white reference value, image data of the document read such that the brightness in the horizontal scanning direction is uniform.
Image reading apparatus and medium
Provided is an image reading apparatus, including a reading portion which reads an image and generates gradation values of each pixel, a calculation portion which calculates a coefficient group that allows the gradation values of each pixel generated as the reading portion reads a reference image, to be close to the gradation values of the pixels which correspond to image data forming the reference image, divides plural regions including an overlapped part in which the reference images are overlapped with each other, and calculates the coefficient group in each region, and a correction portion which corrects the gradation values of each pixel generated as the reading portion reads a correction target image, and corrects the gradation values of the correction target which correspond to the gradation values of the pixels of the overlapped part using the coefficient group.
Terminal device, server, screen display method, screen control method, and computer program
A terminal device includes a reception control unit which receives a display instruction for displaying of a first screen, and an execution instruction for instructing executing of a function unit, from a server, a display control unit which displays the first screen according to the display instruction, and which displays a second screen according to internal information of the device when the function unit is executing a function; and a transmission control unit. When an operation unit is operated while the first screen is displayed, the transmission control unit transmits a result representing the operation to the operation unit and an identifier identifying the display instruction. When the function unit has executed a function according to the execution instruction, the transmission control unit transmits a result representing an end of the execution and an identifier identifying the execution instruction.
Printing data collection and distribution server, printing data collection and distribution method and computer-readable medium recorded with printing data collection and distribution program
A printing data collection and distribution server comprises a storage unit in which printing data sent from an information terminal is stored, a data distribution unit configured to distribute the printing data stored in the storage unit to a distribution request destination, a designation unit configured to designate an image forming apparatus as the distribution request destination, and a control unit configured to output, when the printing data is received from the information terminal, to the image forming apparatus, a resume-from-sleep command signal instructing the image forming apparatus to transition from a sleep mode to a standby mode.
Cause identifying device, image forming device, and non-transitory computer-readable medium
A cause identifying device includes a modifying unit and an identifying unit. The modifying unit, in a case in which an inexpedience is detected in an image formed on a print medium by conducting multiple processes, modifies processing content conducted during the image formation by modifying a processing parameter of a partial process or disabling a partial process. The identifying unit identifies a cause of the inexpedience on the basis of information obtained from an image formed on a print medium by image formation conducted after the processing content is modified.
Method, apparatus, and computer program product for printing image on distendable sheet
A printing method includes the steps of: printing a predetermined pattern on a distendable sheet before distending; distending the distendable sheet printed the predetermined pattern; calculating a displacement amount of the predetermined pattern between before and after the distending of the distendable sheet; deforming an original image by a deformation amount determined based on the calculated displacement amount; and printing the deformed original image as an image for printing on the distendable sheet.
Methods and apparatuses for echo cancelation with beamforming microphone arrays
Embodiments include methods and apparatuses for sensing acoustic waves for a conferencing application. A conferencing apparatus includes a plurality of microphones oriented to cover a corresponding plurality of direction vectors and to develop a corresponding plurality of microphone signals. A processor is operably coupled to the plurality of microphones. The processor is configured to perform a beamforming operation to combine the plurality of microphone signals to a plurality of combined signals that is greater in number than one and less in number than the plurality of microphone signals. The processor is also configured perform an acoustic echo cancelation operation on the plurality of combined signals to generate a plurality of combined echo-canceled signals and select one of the plurality of combined echo-canceled signals for transmission.
Short messaging service, apparatus, method, and computer program
An apparatus, method, and/or computer program is provided to detect, based on a predetermined period of time, that one or more conference participants are located in a conference room. An alert message is transmitted to a registered mobile device of the leader of the conference. The alert message indicates that one or more conference participants are waiting in the conference room. And, the conference leader is connected to the conference room based on a response message received from the conference leader.
Automated attendant multimedia session
An automated attendant system is made multimedia capable by adding a combined user agent to the automated attendant. A search is done to verify that the caller to the automated attendant has combined user agent capabilities. If so, the caller receives multimedia content from the automated attendant's combined user agent so that the content may be presented on the caller's computer to assist the caller in navigating through the automated attendant's menus and options. Upon selection of a desired connection from the menus and options, the automated attendant's combined user agent helps the caller be connected by voice to the selected connection.
Applying user preferences, behavioral patterns and environmental factors to an automated customer support application
A method and apparatus of applying user profile information to a customized application are disclosed. One example method of operation may include receiving an inquiry message or call from a user device, identifying and authorizing the user from inquiry message information received from the inquiry message, retrieving a user profile comprising at least one user preference, applying the at least one user preference to a user call processing application, and transmitting menu options to the user device based on the applied at least user preference.
Communication establishing method
The present disclosure illustrates a communication establishing method. The method includes following steps. A communication service program is executed on the mobile device to transmit an identification code to a cloud server. A toll-free number is determined and a communication number corresponding to the identification code is inquired from a lookup table. A control command is transmitted from the cloud server to the mobile device. The mobile device is controlled by the control command to dial a call request containing the toll-free number to a dial-up device. The dial-up device transmits a search request to the cloud server and the cloud server then return the communication number respected to the toll-free number to the dial-up device. Finally, the dial-up device automatic transfers the call request to the communication terminal, so as to establish a communication connection between the mobile device and a communication terminal.
Systems and methods to identify ANI and caller ID manipulation for determining trustworthiness of incoming calling party and billing number information
Systems and methods for determining the trustworthiness of calling party information, such as caller ID and ANI information, contained in a call request are provided. The method includes receiving a call request at a service provider network element, such as a telecommunication carrier switch. A decision is made as to whether the call request should be verified by reviewing a database of called telephone numbers for monitoring. When the call request is to be verified, a determination is made whether a discrepancy exists between the calling party information contained within the call request and authenticated stored calling party information. For example, the caller ID information in a call request is compared to service provider caller ID information for the calling party to determine if they match. When a discrepancy exists, a discrepancy report is transmitted to the called party.
Systems and methods for establishing a diagnostic transmission mode and communicating over the same
Upon detection of a trigger, such as the exceeding of an error threshold or the direction of a user, a diagnostic link system enters a diagnostic information transmission mode. This diagnostic information transmission mode allows for two modems to exchange diagnostic and/or test information that may not otherwise be exchangeable during normal communication. The diagnostic information transmission mode is initiated by transmitting an initiate diagnostic link mode message to a receiving modem accompanied by a cyclic redundancy check (CRC). The receiving modem determines, based on the CRC, if a robust communications channel is present. If a robust communications channel is present, the two modems can initiate exchange of the diagnostic and/or test information. Otherwise, the transmission power of the transmitting modem is increased and the initiate diagnostic link mode message re-transmitted to the receiving modem until the CRC is determined to be correct.
Providing a visual interface based on a dialed number
A system, or device, may be configured to receive a request to place a voice call; forgo placing the requested voice call; and present a visual interface, associated with an intended callee of the requested voice call, in lieu of placing the requested voice call. The system or device may determine to place the voice call to the original number, or to a different number, based on an input, which is based on the visual interface, from a user who may have, or may not have, made the request.
Method and apparatus for managing message history data for a mobile communication device
A method and apparatus for managing history data of messages received from and transmitted to other users by a user of a mobile communication device is provided. Message history data is extracted from received and transmitted messages and stored such that a user of the mobile communication device may easily input a conditional request to the device and view message history data associated with a specific other user or message history data identified by conditional data input to the device.
Mobile terminal, image display device mounted on vehicle and data processing method using the same
A mobile terminal including a display unit configured to output an image, a communication unit configured to transceive data with an external mobile terminal, and a controller configured to control the communication unit to receive a notification corresponding to an event information of an application installed at the mobile terminal from the mobile terminal, the controller controlling the display unit to output a screen of the event to a user in accordance with the notification, the controller controlling the communication unit to receive an input of a user action corresponding to a command for processing the event from a user via the screen of the event and to transmit the user action to the mobile terminal. Further, the notification includes an identification information of the application and an identification information of the user action provided by the application.
Hands-free telephone conversation apparatus
A hands-free telephone conversation apparatus can reduce negative influence of an echo on a sound to be transmitted to a far-end user without deteriorating the sound. When a MPU determines that a mobile phone receives an incoming call, and a user starts to talk on the mobile phone, in accordance with an operation of an input device connected to an in-vehicle bus line, a MPU controls the mobile phone to have the mobile phone output, to the DSP, a sound signal indicative of a sound to be transmitted to the far-end user, and to have a switch select a loudspeaker, installed in an vehicle without being directed to the microphone, as a loudspeaker for outputting a sound received from the far-end user.
Sound-amplifying cell phone case
The sound amplifying cell case addresses is a case for cellular phones or tablets that provides handholds for holding the cellular phone or tablet and protects the side controls to prevent accidental contact. The sound amplifying cell case comprises a plurality of corner brackets.
Telephone mouthpiece shield assembly
A telephone mouthpiece shield assembly for includes a telephone receiver that has a mouthpiece, an earpiece and a body extending therebetween. The telephone receiver has a front side, a rear side, a first lateral side and a second lateral side. A mount is positioned on the telephone receiver. The mount is positioned between the mouthpiece and the earpiece. A shield comprises a plate that has an inner side and an outer side. The inner side abuts and is coupled to the mount such that the inner side faces the first lateral side of the telephone receiver. The plate includes a first section and a second section. The first section comprises a leg that is attached to and extending downwardly from the mount. The second section comprises a foot extending forwardly from a forward edge of the plate. The second section is positioned adjacent to the mouthpiece. The second section extends forward of the telephone receiver to shield the mouthpiece from ambient sound. The second section extends through a plane of an outer surface of the body extending around the telephone receiver.
Microphone array transducer for acoustic musical instrument
A dipole microphone assembly for a nearfield sound source has a first microphone and a second microphone. The second microphone is out of phase with the first microphone so as to provide a dipole microphone assembly. Each of the microphones has a port, and a dipole spacing is defined as a distance from the center of the port of the first microphone to the center of the port of the second microphone. The dipole spacing is less than ¼ of a wavelength for the highest frequency of the sound of interest.
Request and response decoupling via pluggable transports in a service oriented pipeline architecture for a request response message exchange
A method, system, and computer-readable medium are described herein. An embodiment may read a configuration file. The configuration file may specify a first stage that specifies processing of a protocol-agnostic portion of a message. The embodiment may then add, by one or more processors, the first stage to a processing pipeline, where the processing pipeline is configured to process received messages according to the first stage and a second stage. The second stage is a stage of the processing pipeline that specifies processing of a protocol-specific portion of the message. The processing pipeline being further configured to transport the processed message to a service via a transport mechanism.
Cross domain communication channel
Systems, software, and computer implemented methods for consuming services from a cross-domain service server. One example method includes providing for presentation a web page associated with a first domain, the web page including an iFrame associated with a service associated with a second domain; converting a set of data associated with the web page into a form element embedded within the iFrame associated with the second domain; submitting the set of converted data in the form element to the service associated with the second domain via the iFrame; receiving, via the iFrame, a response from the service associated with the second domain; identifying a pre-registered action associated with the received response; and performing the identified pre-registered action in response to receiving the response and identifying the pre-registered action.
System and method for providing access to presence status for mobile devices
A system and method are provided for enabling access to presence status for mobile devices. The method comprises receiving, via an application programming interface, a subscription request, the subscription request requesting a presence data for at least one mobile device; registering a subscription for a subscriber device according to the subscription request; obtaining network data from one or more network infrastructure nodes associated with providing service to the at least one mobile device; determining that at least a portion of the network data is associated with the subscription; and providing the at least a portion of the network data to the subscriber device via the application programming interface.
Systems and methods for managing interactions between an individual and an entity
A system that incorporates teachings of the present disclosure may include, for example, a synthesis engine having a controller, and a storage medium for storing instructions to be executed by the controller. The instructions, when executed by the controller, can cause the controller to retrieve collected information associated with a behavior of an individual, synthesize from the information a measure of a mood of the individual to interact with others, and transmit the measure to a system associated with the individual to manage requests between the individual and the entity. The measure of the mood of the individual can indicate an availability of the individual and a receptiveness of the individual to accept a request to interact with an entity. The measure can be described by a plurality of dimensions. Other embodiments are disclosed.
Download resource recommendation method, system and storage medium
A method for recommending a download resource includes: obtaining a download record of a target user, obtaining a target user group associated with the target user according to the download record; obtaining download records of the target user group and download records of a global user group; processing the downloading records of the target user group and the download records of the global user group to generate, for a download resource in the download records of the target user group, a differentiation degree between the download resource in the download records of the target user group and the download resource in the download records of the global user group; and sorting download resources in the download records of the target user group according to the differentiation degree, and recommending the top-ranking predetermined number of download resources to the target user.
Automated data recovery from remote data object replicas
Machines, systems and methods for recovering data objects in a distributed data storage system, the method comprising storing one or more replicas of a first data object on one or more clusters in one or more data centers connected over a data communications network; recording health information about said one or more replicas, wherein the health information comprises data about availability of a replica to participate in a restoration process; calculating a query-priority for the first data object; querying, based on the calculated query-priority, the health information for the one or more replicas to determine which of the one or more replicas is available for restoration of the object data; calculating a restoration-priority for the first data object based on the health information for the one or more replicas; and restoring the first data object from the one or more of the available replicas, based on the calculated restoration-priority.
Asynchronous pausing of the formation of consistency groups
Provided are a computer program product, system, and method for asynchronous pausing of the formation of consistency groups. A first copy operation is initiated to copy the source data from the first storage to the first data copy in the second storage. A second copy operation is initiated to copy the first data copy in the second storage to a second data copy in response to forming a consistency group of the source data at the first data copy forms consistent as of a point-in-time with respect to the source data. The first copy operation is suspended to allow for further processing of the first data copy in response to completing the second copy operation. The formation of a next consistency group is restarted between the source data and the first data copy in response to receiving a resume command.
Providing regulatory information to a group owner for channel selection in a wireless peer-to-peer network
In a wireless peer-to-peer (P2P) network or group, regulatory information may be provided from a P2P client device to a P2P group owner device for use in selection of an operating class and/or operating channel for the P2P group. The regulatory information may be obtained by the P2P client device, for example, by concurrently connecting to a wireless local area network (WLAN) infrastructure. The regulatory information may be formatted as a P2P action frame and may include regulatory domain information and/or supported channel information such as operating class and channel number.
Work load management platform
According to some embodiments, a system comprises a work load management module and a plurality of datacenter pods communicatively coupled by a network. The data center pods include a first datacenter pod and a second datacenter pod. The work load management module receives a request to migrate a datacenter application from a first datacenter pod to a second datacenter pod. The work load management module retrieves a first pod environment configuration and a second pod environment configuration and automatically determines one or more differences between the first pod environment configuration and the second pod environment configuration. The work load management module modifies the datacenter application based on the one or more differences to be operable in the second datacenter pod and migrates the datacenter application to the second datacenter pod.
Method and system for enabling a communication device to remotely execute an application
A communication system capable of enabling one or more communication devices to remotely execute one or more applications includes one or more communication devices that are coupled to a data connection. At least one of the one or more communication devices is operable to communicate a request to establish a communication session over the data connection. The system also includes one or more application servers that are coupled to the data connection. At least one of the one or more application servers is adapted to execute an application to establish the requested communication session with the at least one communication device. The at least one application server resides at a location remote from the at least one communication device. The at least one application server communicates a request for processing service to the at least one communication device. The request for processing service is communicated to the at least one communication device over the data connection.
Batching-based content routing method and apparatus for performing batching-based content routing method
The method includes, receiving a content request message from a user terminal, comparing a batching window value and a timer value in session information when there is session information corresponding to received content, and transmitting a content response message including an address of a stored surrogate server to the user terminal when the timer value is less than the batching window value. In addition, the method includes, receiving a request message for requesting the same content from another user terminal, and transmitting the content response message including address information of the same surrogate server to another user terminal when the timer value is less than the batching window value. Therefore, since more channels can be assigned to one surrogate server, it is possible to decrease data transmission costs of the surrogate server.
A server receives a request from a first client device for a file access code. The server generates the file access code, including associating a validity time period with the file access code. The server associates the file access code with a user account at the server and transmits a response to the first client device including the file access code. The server receives, from the first client device, information corresponding to an electronic file. Based on determining that the validity time period for the file access code has not elapsed, the server generates an association between the electronic file and the file access code. The server receives, from a second client device, the file access code. Based on determining that the validity time period of the file access code has not elapsed, the server identifies the electronic file and enables the second client device to access the electronic file.
Home cloud with virtualized input and output roaming over network
A home cloud computing system employs a virtualization system to virtualize data of a device and adaptively transform type or format of the virtualized data for one or more other devices, thus leveraging resources of the device for the one or more other devices. Through data virtualization and adaptive transformation, devices of heterogeneous types are seamlessly connected to one another and can act as input or output devices for each other to create a home cloud network of devices.
Call processing time measuring device, call processing time measuring method, and call processing time measuring program
To enable the measurement of service time actually spent on the proceeding of a message out of the proceeding of messages. When a measurement-target message detecting device detects a measurement-target message, a latest transmission instruction device requests a response request message transmitting module to transmit a response request message immediately before the measurement-target message to a measurement-target node. Further, an immediate transmission instruction module requests the response request message transmitting module to transmit the response request message immediately after the measurement-target message to the measurement-target node. The response request message transmitting module transmits the response request which is a message to request a response according to each transmission request. A response message received time recording module records the received time of each of the response messages from to the measurement-target node. A processing time computing module computes the difference of the received time of each of the response messages.
Method and base station for synchronizing signaling message
According to the invention, it provides a method for synchronizing a signaling message transmitted over multi-cell MCCH. The method comprises the following steps: transmitting, by a gateway, the signaling message carried with activation time information to a base station via a MCE (MBMS Control Entity), or transmitting, by a MCE, the signaling message carried with activation time information directly to a base station; and making, by the base station, the signaling message take effect synchronously based on the activation time information contained in the signaling message.
Recording device, recording method, and program
A content receiving apparatus including a receiver receiving first contents from a broadcasting station, a temporary memory unit temporarily storing first contents-related information related to the first contents, a memory storing the first contents and storing, based on an input recording request, the first contents-related information; and the memory storing a plurality of second contents and a plurality of second contents-related information received from a server, the second contents-related information being related to the first contents, and displayable.
Methods and systems for a personal data sharing app
An illustrative method according to a set of instructions stored on the memory of a computing device includes receiving, by a processor of the computing device, a request for information from a requestor device during a real time communication between a sender device and a communication device associated with the requestor device. The method also includes sending, by the processor, the request for information to the sender device during the real time communication. The method also includes receiving, by the processor, from the sender device, a granted request for information including data requested in the request for information. The granted request for information is authorized by the sender device. The granted request for information is received during the real time communication. The method also includes sending, by the processor, the granted request for information to the requestor device during the real time communication.
Method, apparatus, and system for executing a job in cooperation with a server
An image processing device executing a job in cooperation with a server, comprises: an external terminal connecting part for establishing connection with an external terminal; a server connecting part for conducting a negotiation to execute the job with the server and establishing connection with the server in response to receipt of a request from the external terminal; a transmission part for sending information that is received from the external terminal and addressed to the server after rewriting a source address of the information to an address of the image processing device; a screen image control part for outputting screen image information to the external terminal in response to receipt of the screen image information from the server; and a job execution control part for starting execution of the job with the server in accordance with a control command after receiving the control command from the server.
SIP-based custodian routing in content-centric networks
One embodiment of the present invention provides a system for facilitating establishment of connections between a local endpoint and a remote endpoint. During operation, the system sends, from the local endpoint, a single connection-request message to a proxy server, which forks the single connection-request message to a number of remote endpoints. The system receives one or more response messages from the remote endpoints. A respective response message carries address information associated with the remote endpoint. Upon receiving the response message, the system sends an acknowledgment corresponding to the received response message to the corresponding remote endpoint via the proxy server, and establishes a connection between the local endpoint and at least one remote endpoint.
Telephony application platform
A hosted private branch exchange (PBX) platform includes associated application programming interfaces (APIs) that provide a range of integration points with the PBX platform that, in turn, enables the development of a broad range of applications that can customize and/or enhance the basic functionality of the underlying PBX platform.
Signal processing device, signal processing program and communication system
There is provided a signal processing device including: a packet receiving means for receiving a packet from a transmitting communication device; and a packet processing means for transmitting the received packet received by the packet receiving means, simply as received or after processing by a packet converting means, to a receiving communication device that is a destination of the packet, wherein when a communication session between a first transmitting communication device and the receiving communication device is established and the session is shifted to have a connection between a second transmitting communication device and the receiving communication device, the packet converting means converts the received packet received from the second transmitting communication device so as to maintain a consecutiveness related to a content of packets to be transmitted to the receiving communication device.
Front end processor for short message service centers
A communication gateway which includes a short-message-system network element is disclosed. The communication gateway includes a short-message-system network element to transmit short-message data to a plurality of session-initiation-protocol endpoints and a front-end processor coupled with the short-message-system network element to provide session-initiation-protocol services for translating the short-message data transmitted between the plurality of session-initiation-protocol endpoints.
Automatic privilege determination
An access control determination service automatically determines and/or revises an access control policy using actions attempted by a client system. A client is observed during operation. A policy system analyzes the actions performed and/or results of the actions performed by a client system. Using the results of the analysis, the access control determination service determines the permissions needed in an access control policy that will be applied to the client.
Simultaneous determination of a mobile device and its user identification
An apparatus including an intrusion detection arrangement and a location identification arrangement which ties digital information (i.e. transaction events such as exact parameters of information, database queries, transaction ranges, etc.) submitted to a computer system with the physical characteristics of the event such as the area and/or picture of the person(s) submitting the information.
Parallel detection of updates to a domain name system record system using a common filter
In an embodiment, a computer-implemented method detects updates to a domain name system record system. In the method, a stream of data points is received with each data point describing a record of a domain name system. For respective data points, a processor is selected from a plurality of processors. The processors are each configured to apply a data point against a common filter that assesses whether the data point is in a set. At the selected processor, the respective data point is applied to the common filter to determine whether the record is included in the set. When the record is determined not to be included in the set, a message is provided to indicate that the domain name system includes a new record, and the common filter is updated to include the data point in the set.
Method of advertising using an electronic processor authorization challenge
A method of advertising using an electronic processor authorization challenge. An advertisement is combined with an authorization key to form an image. An electronic processor disassembles the image and presents the disassembled image to a user by a graphical user interface as an authorization challenge. The authorization challenge can be successfully overcome by a human user reassembling the divided image, then recognizing the authorization key, and then responding to the authorization key. The authorization key is data configured to be inputted into an electronic processor by a human user or data corresponding to a command configured to be performed by a human user. The authorization key can be an advertisement, a feature of an advertisement, a coupon, a CAPTCHA, a Reverse Turing Test, a command, an image, a string of text, a number, a letter, a symbol, a combination of a number, a letter, or a symbol.
Systems and methods for providing dynamically selected media content items
Systems, methods, and non-transitory computer-readable media can identify a set of media content items associated with a first user of a social networking system. It can be determined that a second user of the social networking system is attempting to access at least a portion of the set of media content items associated with the first user. A first subset of media content items can be dynamically selected out of the set of media content items. In some cases, each media content item in the first subset can satisfy specified selection criteria. The second user can be provided with access to a representation of the first subset of media content items. In some instances, the representation of the first subset can be provided in a media access interface associated with the first user.
Apparatus and methods for access solutions to wireless and wired networks
A method, apparatus, and system in which a module may have both an embeddable portion and a cooperating downloadable portion scripted to plug in and be integrated into an existing Terms and Condition page of a public Wi-Fi and/or wired network. The module is scripted to cause an injection of a third-party captive portal and authentication flow when the client device with a resident browser application contacts a host gateway or other host controller to undergo a sign on experience as a guest to access/connect into a public Wi-Fi and/or wired network. The module is also scripted to direct the web browser back to the Terms and Condition page once the web browser of the client device has been through the third-party captive portal and authentication flow and its associated one or more web pages that are parsed and rendered by the web browser.
Method and system for remote data access using a mobile device
A system and method for securely storing, retrieving and sharing data using PCs and mobile devices and for controlling and tracking the movement of data to and from a variety of computing and storage devices.
Systems and methods for using end point auditing in connection with traffic management
The present invention provides a system and method of managing traffic traversing an intermediary based on a result of end point auditing. An authentication virtual server of an intermediary may determine a result of an end point analysis scan of a client. Responsive to the determination, the traffic management virtual server can obtain the result from the authentication virtual server. Further, the traffic management virtual server may apply the result in one or more traffic management policies to manage network traffic of a connection of the client traversing the intermediary. In some embodiments, the authentication virtual server may receive one or more expressions evaluated by the client. The one or more expressions identifies one or more attributes of the client. The traffic management virtual server can also determine a type of compression or encryption for the connection based on applying the one or more traffic management policies using the result.
Secure network deployment
In one embodiment, a Manufacturer Installed Certificate (MIC) and a personal identification number are sent to a call controller to request a configuration profile. When the configuration file is received, the IP phone is provisioned according to the configuration profile.
Accessing a primary device using a wearable device and a wireless link
A method of operation includes detecting that a wearable device is being worn, receiving a certificate from a primary device over a secure wireless link where the wearable device is paired to the primary device using the secure wireless link, storing the certificate in memory of the wearable device, and sending the certificate, over the secure wireless link, to the primary device to unlock the primary device. The method may further include detecting that the wearable device is no longer being worn, and eradicating the certificate from memory of the wearable device in response to detecting that the wearable device is no longer being worn. In some embodiments, the method may also include detecting that the secure wireless link is disconnected, and eradicating the certificate from memory of the wearable device in response to detecting that the secure wireless link is disconnected. The present disclosure also provides a wearable device.
Method and apparatus for generating a security token carrier
A method and an apparatus for generating a security token carrier, which belong to the field of data security, are disclosed. The method may include: generating multiple pieces of token information, establishing a relation which associates the token information with location information of a pre-set interactive security token carrier; obtaining security data which is set by a user for protecting the interactive security token carrier; and generating the interactive security token carrier by using the token information, the relation, the security data and public information of the interactive security token carrier. The apparatus may include: a token information processing module, a security data obtaining module and an interactive security token carrier generating module.
Obtaining and/or validating user credentials at client devices is described. This disclosure describes methods of generating representations of credentials for groups of users or for individuals. Representations for these credentials can be managed by a server or collection of servers, and distributed to appropriate users' client devices. These representations can then be outputted for evaluation by a credential authority, who confirms that the credential possessed by a given user is valid. A credential authority may be a person and/or a device that validates a credential.
Switch equipment and data processing method for supporting link layer security transmission
A switch equipment and data processing method for supporting link layer security transmission are provided. The switch equipment for supporting link layer security transmission comprises a switch module and multiple port modules, each port module is electrically connected with the switch module respectively; the port module supports a link layer key management capability, and is used for establishing a share key for encrypting and decrypting data frames between the switch equipment and other network nodes.
Systems involving firewall of virtual machine traffic and methods of processing information associated with same
Systems and methods involve compute nodes configured to define and/or otherwise process information associated with one or more virtual machines. In one exemplary implementation, a compute node may be configured to enable a firewall between the virtual machine and at least a portion of a network. Moreover, the firewall may be configured to detect undesired traffic based on a list of rules or an Ethernet bridge table associated with communication between the virtual machine and the network. Various features may also relate to the compute node being configured to lock the virtual machine in response to the firewall detecting undesired traffic associated with the virtual machine.
Mail server-based dynamic workflow management
Embodiments of the present invention provide a method, system, and program product for managing the flow of electronic mail. A computing device receives from a sender a first electronic mail addressed to first and second recipients in a serial propagation mode, and in response, the computing device transmits the first electronic mail en route to the first but not the second recipient. A computing device receives a second electronic mail from the first recipient as a response to the first electronic mail, and in response, a computing device transmits the first electronic email to the second recipient.
Dynamic tagging recommendation
In one embodiment, a geo-social networking system automatically tags one or more social contacts of a first user to a photo of the first user by ranking the social contacts based on spatial and temporal proximity to the first user, and in response to the first user's selection of one or more top ranked social contacts, associating the selected social contacts to the photo.
Information processing apparatus, mailbox management method, and storage medium for performing capacity setting of a mailbox
An information processing apparatus stores capacity limit information of a mailbox assigned to a group, and stores information of a list of a plurality of e-mail addresses belonging to the group and set capacities of individual mailboxes corresponding to individual e-mail addresses, receives a value of a set capacity of a mailbox corresponding to an e-mail address stored in a storage unit from an administrator terminal, determines whether the set capacities of all mailboxes corresponding to the plurality of e-mail addresses that belong to the group do not exceed a capacity limit of the mailbox assigned to the group, if a set capacity is changed to the set capacity of the mailbox corresponding to the received e-mail address, and updates the value of the set capacity of the mailbox corresponding to the received e-mail address if it is determined that the set capacities do not exceed the capacity limit.
Re-routing incoming email for a multi-tenant database system
A method for processing email for a multi-tenant database system is presented here. The system includes a plurality of data centers and a plurality of instances of a multi-tenant database system core. Each data center implements at least one instance of the multi-tenant database core. The method receives an incoming email at a first local mail transfer agent (MTA) of a first data center, wherein the incoming email is erroneously directed to a first instance of the multi-tenant database system core. The method continues by searching a private domain name service (DNS) database maintained at the first data center, based on an identifier of the first instance and an identifier of the first data center. The method then obtains an identifier associated with a second data center of the plurality of data centers, and routes the incoming email in accordance with the identifier of the second data center.
Handling notifications in instant messaging systems
To reduce the communications in an IM conversation between two devices, two or more IM events of the conversation at the first device are confirmed by sending to the second device a single IM communication that confirms the most recent of the events. In order that the user of the second device not experience undue delay in receiving the confirmation, the method may be applied where the time interval between any two consecutive ones of the events is less than a predetermined time.
System and method for routing traffic between distinct infiniband subnets based on fat-tree routing
A system and method can rout traffic between distinct subnets in a network environment. A router that connects the distinct subnets, such as InfiniBand (IB) subnets, can receive a list of destinations that the router is responsible for routing one or more packets to. Furthermore, the router can obtain information, from one or more switches in the at least one subnet, on which downward output ports of the router can be used for routing the one or more packets, and build a routing table based on the obtained information.
Technique for managing traffic at a router
A router of a network is configured to manage routing of packets based on executing applications. The network communicates packets of information between endpoints coupled to the network. Each packet is assigned to a traffic class based on the application associated with the packet. The router manages routing of received packets based on the traffic classes associated with the received packets. Accordingly, the router can determine routing priority, bandwidth, acknowledgment policy, and other routing management information based on the applications associated with received packets.
Devices and systems are described for transmitting data packets over a chip-to-chip communications link. For example, a device includes a hardware replay buffer to store a data packet. The data packet includes an overhead portion and a payload portion. Additionally, the transmitter device includes circuitry configured to record a memory location within the hardware replay buffer corresponding to an interruption in transmission to a receiver device of the payload portion of the data packet through a physical serial communications link. The memory location references an intermediate location of the payload portion of the data packet.
Method and apparatus for processing received network packets on a network interface for a computer
An intelligent network interface card (INIC) or communication processing device (CPD) works with a host computer for data communication. The device provides a fast-path that avoids protocol processing for most messages, greatly accelerating data transfer and offloading time-intensive processing tasks from the host CPU. The host retains a fallback processing capability for messages that do not fit fast-path criteria, with the device providing assistance such as validation even for slow-path messages, and messages being selected for either fast-path or slow-path processing. A context for a connection is defined that allows the device to move data, free of headers, directly to or from a destination or source in the host. The context can be passed back to the host for message processing by the host. The device contains specialized hardware circuits that are much faster at their specific tasks than a general purpose CPU. A preferred embodiment includes a trio of pipelined processors devoted to transmit, receive and utility processing, providing full duplex communication for four Fast Ethernet nodes.
Split transport control protocol (TCP) flow control management in a cellular broadband network
Embodiments of the present invention provide a method, system and computer program product for split transport control protocol (TCP) flow control management in a cellular broadband network. In an embodiment of the invention, a method for split TCP flow control management in a cellular broadband network is provided. The method includes first determining a context for a packet received as part of a data flow in a base station of a cellular broadband network and then selecting either an end-to-end TCP connection or a split TCP connection to support the data flow. Thereafter, the data flow is routed using the selected connection.
Transmitting data via a private sub-network of a service provider network
A first device may receive data associated with a second device from within a first network and independently of a second network. The second device may include a sensor or an application to form or process a data record. The first device may establish a bearer between the first device and a particular user device, of multiple user devices, in accordance with a bearer policy; and provide the data towards the particular user device via a first sub-network, of multiple sub-networks, of the second network and via the bearer. The first sub-network may be independent of a second sub-network of the multiple sub-networks. The second sub-network may permit user device data to be transmitted between the multiple user devices. The first sub-network and the second sub-network may consume different levels of network resources.
Method, node, and system for controlling network traffic based on token ring
A method for controlling network traffic based on a token ring includes: acquiring, by a node that obtains a token, network congestion situation information carried in the token, where the network congestion situation information includes the total number of to-be-retransmitted messages requested by nodes in a current token passing period; comparing the total number of to-be-retransmitted messages requested by the nodes in the current token passing period with a congestion threshold; determining according to a comparison result, the number of messages that can be transmitted; and transmitting messages according to the number. Because the total number of to-be-retransmitted messages requested by nodes in a current token passing period is added into a token to reflect a network congestion situation, a node is capable of reducing the number of messages to be transmitted when a network is severely congested, thereby reducing network load and improving cluster availability.
Proxy address resolution protocol on a controller device
Techniques are presented herein for reducing network congestion in data center environments. A controller device in a network receives a registration request from a physical switch device and from a virtual switch that is hosted by a server device in the network. The controller device registers the physical switch device such that the controller device is able to send configuration messages to the physical switch device. The controller device also registers the virtual switch such that the controller device is able to receive mapping information from the virtual switch. The controller device receives from the virtual switch the mapping information comprising Media Access Control address information of one or more virtual machines that are in communication with the virtual switch. The mapping information is stored in a database maintained by the controller device.
System and method for implementing multiple label distribution protocol (LDP) instances in a network node
A method and apparatus for implementing multiple Label Distribution Protocol (LDP) Label Switch Router (LSR) instances sharing a common data plane at a network element or node.
Multi-tenant middleware cloud service technology
A system that includes multiple hosts, each running a plurality of virtual machines. The system may be, for example, a cloud computing environment in which there are services and a service coordination system that communicates with the hosts and with the services. The services include a middleware management service that is configured to maintain per-tenant middleware policy for each of multiple tenants. The middleware management service causes the middleware policy to be applied to network traffic by directing network traffic to a middleware enforcement mechanism. This middleware policy is per-tenant in that it depends on an identity of a tenant.
Apparatus and method for table search with centralized memory pool in a network switch
A network switch includes packet processing units in a first processor core. An interface module is connected to the packet processing units. The interface module supports a unified table search request interface and a unified table search response interface. A common memory pool is connected to the interface module. The common memory pool includes a variety of memory types configurable to support multiple parallel table search requests.
Hypervisor independent network virtualization
A method includes receiving a packet having a VLAN ID at a first physical overlay switch located at an edge of an IP network, encapsulating the packet with an overlay header, and tunneling the encapsulated packet to a second physical overlay switch via IP network.
System and method for utilization of a segmentation identification to support transmission of data to a destination node
A method is provided in one example and includes receiving, at a receiving node, a packet that comprises information indicative of an internet protocol address and a segmentation identification, selecting a virtual routing and forwarding table corresponding with the segmentation identification, identifying a destination node based, at least in part, on the internet protocol address and the virtual routing and forwarding table, and transmitting the packet to the destination node.
Dynamic enabling of routing devices in shared-media communication networks
In one embodiment, a non-repeated reachability probe is transmitted from a particular node into a shared-media network, where nodes that receive the probe are configured to reply to the particular node. Based on determining a set of one or more nodes in the shared-media network that received the probe, one or more routing nodes of the set may be selected to act as routers in the shared-media network, and notified of their selection.
Method and apparatus for providing a route recommendation
A method and apparatus for providing a route recommendation are disclosed. For example, the method obtains network topology information, wherein the network topology information comprises a plurality of underlying subnetwork types for a network. The method creates a cost model for the network, and receives a request from a user for a connection to be supported by the network. The method provides the route recommendation for supporting the connection by applying the cost model.
Terminal device based on content name, and method for routing based on content name
In a network system based on a content name, a terminal device may generate and transmit a block query requesting a plurality of segments, and may receive segments corresponding to the block query based on a transmission direction of the block query.
Hosted network management
Systems and methods are disclosed that facilitate the evaluation of hosted computing devices in accordance with target patterns. A set of target patterns can be developed for elements common to a plurality of hosted computing networks. The set of target patterns can be defined utilizing a detailed pattern language to describe elements of a hosted computing device network and relationships between the elements. Thereafter, a hosted computing device network management component can utilize the set of target patterns to verify and validate a deployed hosted computing network or to process purposed modifications/configurations to a deployed hosted computing network.
Service monitoring system, service monitoring method, and non-transitory computer-readable recording medium
A monitoring system for providing services to clients as an embodiment of the present invention is characterized in that upon determining whether or not termination times of the service-providing computers currently acquiring packets have been reached, service-providing computers that constitute a service-providing system other than the service-providing system constituted by the service-providing computers that have reached the termination times are selected as new packet acquisition destinations.
Measurement on a data flow in a communication network
Disclosed is a method for performing a measurement (namely, a data loss measurement and/or a time measurement) on a data flow to be transmitted in a communication network. The method includes: upon transmission of the data flow, during first block periods that alternate in time with second block periods, marking each data unit of the data flow by setting a feature thereof to a first value and updating a first parameter; upon reception of the data flow, checking the feature for each received data unit and updating a second parameter when the feature is equal to the first value; while transmission and reception are performed, processing a timer for determining whether a current block period is one of the second block periods and, in the affirmative, providing current values of the first and second parameters; and performing a measurement using the current values of the first and second parameters.
Adaptive packaging of network resources
In one embodiment, a method includes accessing a data store comprising a log of requests transmitted by a plurality of remote hosts, each request corresponding to one or more resources maintained by a web site; analyzing the requests and one or more attributes of the resources corresponding to the respective requests using a cost function relating to network performance, wherein a first component of the cost function is directed to a performance improvement achieved by grouping one or more of the resources for transmission to one or more remote hosts and a second component is directed to a performance inefficiency caused by grouping the one or more resources for transmission to the one or more remote hosts; and identifying one or more groupings of one or more resources that optimize the cost function for network performance.
Checksum trailer in timing protocols
A data packet is received, wherein the data packet includes i) a checksum and ii) a timestamp. The timestamp is modified to generate a modified timestamp. A checksum trailer value to maintain correctness of the checksum in the data packet having the modified timestamp is determined. At least a portion of i) an extension field of the data packet and/or ii) a padding field of the data packet is set to the checksum trailer value.
Hierarchical anomaly localization and prioritization
Example methods disclosed herein to localize anomalies in a communication network include identifying a first set of abnormal nodes in the communication network, and including respective ones of the first set of abnormal nodes having a number of normal direct descendent nodes that is less than a combined number of abnormal direct descendent nodes and indeterminate direct descendent nodes in a set of candidate nodes. Such disclosed example methods also include iteratively selecting ones of the set of candidate nodes to include in a set of root cause abnormal nodes representing sources of the anomalies in the communication network. In such disclosed example methods, the ones of the set of candidate nodes are selected based on sizes of respective subsets of the abnormal nodes from the first set of abnormal nodes covered by the candidate nodes.
Tracing host-originated logical network packets
Some embodiments provide a method for a first host machine that hosts a virtual machine connected to a particular logical network. The method receives a command to test connectivity between the first host machine and a set of at least one additional host machine that also host virtual machines on the particular logical network. At the first host machine, the method generates a packet for sending to the set of additional host machines in order to test the connectivity. The method appends to the generated packet (i) information that identifies the particular logical network and (ii) a flag indicating that the packet is for connectivity testing. The method encapsulates the generated packet with tunnel endpoint addresses, including a tunnel endpoint located at the first host machine. The method sends the encapsulated packet from the first host machine to the set of additional host machines according to the tunnel encapsulation.
Calculating trust scores based on social graph statistics
Systems and methods for calculating trust scores (trustworthiness) based on social graph statistics are described herein. The trust scores (trustworthiness) may be determined within or between individuals, groups, and/or entities represented by nodes in a social graph or other network. Social graph analytics may be used to determine connectivity statistics for each node in the social graph or network. The trust score may then be calculated by analyzing a number of paths connecting nodes in the network and the connectivity statistics associated with the nodes of the network. This trust score may then be used to make prospective real-world decisions, such as a request for credit or initiating a transaction.
Systems and methods for dynamic operations, administration, and management
Systems and methods with dynamic Connectivity Fault Management (CFM) and Continuity Check Messages (CCMs) that enable dynamic configurations to avoid limitations associated with static reconfigurations. Variously, a network, a method, and a network element are configured to implement a dynamic CFM method for dynamic notifications and actions taken based thereon between Maintenance End Points (MEPs). The systems and methods may also include a CCM attribute adjustment method between two MEPs, a CCM suspension and/or resumption method between two MEPs, and a MEP auto-discovery and leaving method. Advantageously, the systems and methods may be utilized in a variety of contexts including controlled maintenance, in-service software upgrades, network congestion, discovery of new remote MEPs, and the like to enable dynamic configurations between MEPs. The systems and methods may also apply to Carrier Ethernet, Multiprotocol Label Switching-Transport Profile (MPLS-TP), and the like.
Abstract representation and provisioning of network services
A network management device connects to a device on the network, receives a trigger for an operation command, supplies to the device a command line interface command for the operation command, wherein a randomly generated string is included at the end of the command line interface command. The network management device receives the output of the operation command from the device, detects the end of the operation command output and parses the output using an XML-based parser. XML based configuration files are used for configuration of different network devices. XML based report files are used to generate different network reports.
Event gathering method, information processing apparatus and event gathering system
An event gathering method includes: storing cost information between nodes which manages by associating a transmission node identifier and a reception node identifier with a first communication cos, the communication occurring between nodes including a sensor node which transmits an event and an intermediate node which relays the event; modifying or storing the event; gathering cost information between modules which manages by associating a transmission module identifier and a reception module identifier with a second communication cost of a occurred event; extracting a pattern candidate which assigns modules to first nodes as deployment pattern candidates which manages by associating a module identifier with a node identifier; computing a total communication cost based on the cost information between modules and the cost information between nodes; selecting a deployment pattern candidate having the smallest total communication cost; and deploying the modules in the first nodes based on a selected deployment pattern candidate.
Method, system, and switch for making bridge in MSTP join region
A method, a system, and a switch for making a bridge in the Multiple Spanning Tree Protocol (MSTP) join a region. A root bridge in a multiple spanning tree instance (MSTI) to be generated acquires region information of the MSTP; and sends a region join packet carrying the region information of the MSTP to a downstream bridge after the region information of the MSTP is configured on the root bridge, so that the downstream bridge configures the region information of the MSTP to region information of the downstream bridge. Region information may be configured on a root bridge of the MSTP and notified to a downstream bridge, so that all bridges of the MSTP join a region in which the root bridge resides.
Enabling cluster scaling
Embodiments of the present invention relate to methods and apparatuses for enabling cluster scaling. Specifically, there is disclosed a method of recording a context of configuration for an initial node of a cluster, comprising: retrieving at least one file to be used for configuring the initial node; and recording a context while configuring the initial node using the at least one file, the recorded context being information on the configuration of the initial node and to be used for enabling addition of a new node into the cluster. There is also disclosed a method of enabling addition of a new node into a cluster. Corresponding apparatuses are also disclosed. According to embodiments of the present invention, the efficiency of improving cluster scaling may be effectively improved.
Constructing a network enabling layer-2 interconnection of data centers
A method for constructing a network enabling layer-2 interconnection of data centers includes: a current data center registers at a neighbor server when the current data center gets online, obtains information of all registered data centers, generates a virtual bridge port for each registered data center; after the current data center comes online, the current data center obtains information of all newly registered data centers according to a pre-set rule, generates a virtual bridge port for each newly registered data center; establishes a tunnel to each registered data center by using the virtual bridge port corresponding to the registered data center, and transmit data via the tunnel.
Method and procedure for dynamic services orchestration that runs within an on device software container
A system for providing network services is provided. The system includes a device configured to interface with the network to receive a container, where the container is configured to interface with an operating system of the device and a plurality of applications operating on the device. The container is further configured to interface with a network services provider of one or more network services and one or more third party service providers.
Protection switching method and system provision by a distributed protection group
The present invention relates to a protection switching for use in a communication network, and more particularly, to a method and a system for protection switching provision by a distributed or extended protection group in a communication network. In one embodiment, this can be accomplished by defining a traffic bit (t-bit) on all the communication devices in the network, assigning at least one communication device as master node and other devices as slave node, determining a fault if continuity check message is not received in a predetermined time period between the master node and the traffic source, carrying of status information, reliably, between communication devices using existing protection or restoration methods, broadcasting by setting the bit ‘t’=1 (or ‘t’=0) by the master node to all other slave nodes thereby notifying about the fault (or clearance of fault) towards traffic source and receiving the traffic from the traffic source by the other available slave nodes when master node's link towards traffic source fails.
Methods and systems with enhanced robustness for multi-chassis link aggregation group
A method implemented for a link aggregation group is disclosed. The link aggregation group contains a local interface and a remote interface. The local interface is a logical interface formed by a plurality of network elements including a local network element and a peer network element. The local network element communicates with the peer network element through an inter-peer link. The method starts with determining that the local network element is active by checking that an aggregate state of the links coupled to the local network element is active. The method continues with detecting an anomaly of the active links and sending a notification to the peer network element about the anomaly. Then method continues with receiving an activation confirmation that the peer network element is ready for switching and switching traffic from the active links to the inter-peer link in response to receiving the activation confirmation.
High availability for software defined networks
In one example, a controller device for a software defined network (SDN) includes one or more network interfaces configured to communicate with network devices of the SDN, and one or more processors configured to determine a primary path for network traffic between network devices of the SDN, determine a backup path to the primary path for the network traffic between the network devices of the SDN, and, in response to a failover event, configure the network devices to switch from the primary path to the backup path.
Automatic initiation of a response action when an event associated with an item in transit is based on logistical node scan data
A method includes processing an event data associated with an item in transit between a source location and a destination location based on a scan data of a logistical node between the source location and the destination location. The server determines if the event data associated with the item in transit between the source location and the destination location based on the scan data of the logistical node between the source location and the destination location associated with a response action defined in a matching table by the multimodal communication server using a processor and a memory. The server automatically initiates the response action when the event data associated with the item in transit between the source location and the destination location based on the scan data of the logistical node between the source location and the destination location is defined in the matching table on the multimodal communication server.
Systems and methods for forwarding broadcast network packets with a controller
A network of switches that forwards network packets between end hosts may be controlled by a controller. The controller may maintain information that identifies subsets of the end hosts that are associated with respective broadcast domains. The controller may configure the switches in the network to identify broadcast network packets and to forward the broadcast network packets to the controller. The controller may identify which broadcast domain is associated with a received broadcast network packet based on information such as source information retrieved from the broadcast network packet. The controller may identify switches that are coupled to the end hosts of a broadcast domain associated with the received broadcast network packet. The controller may forward the broadcast network packet to the identified switches through network control paths and may direct the identified switches to forward the broadcast network packet to end hosts of the associated broadcast domain.
HAIPE peer discovery using BGP
A system, method, and computer program product are provided for performing peer discovery of HAIPE devices. A local enclave network fronted by a HAIPE device is addressed from the perspective of a “black” network using a “black” address associated with the HAIPE device. In order to properly address a network device within the local enclave, the “black” address associated with the fronting HAIPE device is determined. This is facilitated by mapping the address of the network device to the address of the HAIPE device, and propagating this mapping using the BGP routing protocol.
System and method for location management and emergency support for a voice over internet protocol device
In a particular embodiment a system and method for processing a call in a Voice over internet protocol (VoIP) network are disclosed. The method includes receiving the call associated with a private identifier (PRID) at a server, classifying a call location based on the PRID and sending the call from the server to a Public Safety Answering Point (PSAP) with a call back number associated with the PRID. The system includes a first server interface for receiving a message containing a PRID associated with the call, a second server interface to access the data base for searching for the PRID in the data structure; a third server interface to receive an output from the database indicating whether a PRID has been found in the data structure; and a fourth server interface to send the call to a PSAP.
Communication system and server
A communication system and server includes a first memory for storing terminal information of a first terminal and a second terminal, a second memory for storing outgoing call history information of at least either the first terminal or the second terminal, a third memory for storing incoming call history information of at least either the first terminal or the second terminal; and a processing unit for reading out the information from the first memory to control at least either information of the second memory or the third memory in accordance with information contained in a notification from the communication device when setting the connection between at least either the first terminal or the second terminal and the communication device, therefore, two parties to be communicated with each other specify a connection terminal of a call source.
Polar receiver signal processing apparatus and methods
A method of generating inphase and quadrature signals from a polar receiver providing a phase derivative signal and an envelope magnitude signal comprising receiving an estimated phase derivative signal; generating an estimated phase signal; mapping the estimated phase signal to an angular value; converting the estimated phase signal to an inphase signal and a quadrature signal based on the angular value; and, providing the inphase signal and quadrature signal to a demodulation circuit.
Apparatus and method for detecting null symbols
An apparatus for detecting a null symbol of an input signal includes: a first circuit for processing the input signal to obtain a first output signal, the first output signal being used to track the influence of a channel phenomenon; a second circuit for processing the input signal to obtain a second output signal, the second output signal being used to track the null symbol in the input signal; and a determining circuit coupled to the first circuit and the second circuit and determining the null symbol of the input signal according to the first output signal and the second output signal. A method for detecting a null symbol of an input signal is also disclosed.
OFDM transmission method and device in wireless LAN system
An apparatus and method for orthogonal frequency division multiplexing (OFDM) transmission in a wireless local area network (WLAN) system is disclosed, in which the apparatus for OFDM transmission in the WLAN system includes a signal repetition unit to repeat an encoded signal based on a block unit and output the encoded signal and a repeated signal, an interleaver to interleave the encoded signal and the repeated signal and output an interleaved signal, a modulator to modulate the interleaved signal and output modulated symbols, and a phase rotation unit to phase shift the modulated symbols.
Wireless communication system using pilot subcarrier allocation
A wireless communication system using pilot subcarrier allocation and a method of allocating the pilot subcarriers for use in downlink and uplink communication in a multiple-input multiple-output (MIMO) antenna system using orthogonal frequency division multiplexing (OFDM) modulation are disclosed. The method includes providing a frame structure comprising OFDM symbols in time domain and subcarriers in frequency domain and alternately allocating first pilot subcarriers for a first antenna and second pilot subcarriers for a second antenna in the time and frequency domains, wherein each of the alternating first pilot subcarriers and the second pilot subcarriers is separated by a multiple of 9 subcarriers in the frequency domain and further allocated in two contiguous OFDM symbols.
Characterizing a broadband wireless channel
Embodiments disclosed herein provide systems and methods for determining properties of a channel response in frequency and time at a subcarrier basis. The determined properties of the channel may include a power delay profile (PDP), channel impulse response, attenuation and phase response over frequency and time, and antenna correlation over the wireless network.
Instructional ring tone
The described method and system selectively provide an instructional ring tone, configurable for both message content and frequency of playback, to aid a user in answering an incoming call via a hands free telecommunications device. The instructional ring in one aspect contains a message instructing a user as to a method of answering an incoming call. This message may be set to play the first time that an incoming call is encountered, and it may be set, e.g., by a service provider advisor, to play for a certain interval, i.e., a defined number of received calls. In this manner, the initially untrained user may become trained as to proper system operation. According to another aspect, the described system and method also improve the ease of use and operation of redundant controls for HFC or hand-held cell phone operation.
Presence and geographic location notification based on a setting
A user of an instant messaging system may store names of other users of the instant messaging system on a participant list (which may be referred to as a “buddy list”), and the names may be categorized into one or more groups. Similarly, a user of a mobile device, such as a mobile telephone, may store contact information about people on the mobile device. Information describing the on-line presence of the user within the instant messaging system or the geographic location of a mobile device, such as a mobile telephone associated with the user, may be disseminated to users on the participant list or to people on the contact list based on notification information that is associated with groups of users or contacts.
Generalized service protection systems and methods
A node includes a first port configured to be selectively blocked and unblocked; a second port configured to be selectively blocked and unblocked; a forwarder between the first port and the second port; a management channel between the first port and the second port, wherein the selective blocking and unblocking of the first port and the second port is based on the management channel; and a data channel between the first port and the second port, wherein the data channel utilizes an arbitrary service identifier. A method can include operating a ring with Ring Protection Switching comprising a forwarding mechanism and a blocking mechanism that are independent and decoupled entities therebetween, wherein the ring includes a management channel and a data channel that each utilize an arbitrary service identifier.
Gateway for transporting out-of-band messaging signals
A Cable Modem Termination System (CMTS) having a gateway configured to output signals on over data tunnels for transfer over a cable network to Customer Premises Equipment (CPE). Each data tunnel is preferably characterized as a one-way data stream of out-of-band (OOB) messaging signals.
Extending cyclic prefix length in wireless communication network having mixed carrier
A method, an apparatus, and a computer program product are provided for receiving unicast and multicast-broadcast single frequency network (MBSFN) signals from an eNB in a subframe. The apparatus receives at least one transmission in the subframe, the subframe divided into six partitions and for receiving at least one unicast symbol and a plurality of multicast-broadcast single frequency network (MBSFN) symbols, each of the at least one unicast symbol and the plurality of MBSFN symbols having an associated cyclic prefix (CP). The apparatus further receives at least one unicast signal including the at least one unicast symbol at a first partition of the subframe, and receives at least one MBSFN signal including the plurality of MBSFN symbols respectively at a second partition through sixth partition of the subframe, each MBSFN symbol having the associated CP with a length of at least 33.33 μs.
System, method and client for joining in group
A system, method and client for joining in a group, include: a group server receiving a recommendation request for joining in a group, and adding to the group the user being recommended to be added to the group according to the recommendation request. Adopting the system, method and client for joining in a group provided by the present invention, the user's operation can be facilitated, thereby the user's experiences are improved.
Power sharing with stackable switches
A technique includes selecting a first device from a plurality of interconnected devices to form a root of a power tree connecting the interconnected devices and allocating power among neighbors of the interconnected devices in a direction along the tree away from the root. The technique includes determining whether at least one of the interconnected devices needs power after the allocation of power among the neighbors and selectively further allocating power among the neighbors in a direction along the tree toward the root based on the determination.
System and method of lawful access to secure communications
The present disclosure relates to systems and methods for secure communications. In some aspects, an initiator KMS receives, from an initiator UE, one or more values used in generation of an encryption key, which includes obtaining at least one value associated with a RANDRi. The initiator KMS sends the at least one value associated with the RANDRi to a responder KMS. The responder KMS generates the encryption key using the one or more values.
Method and apparatus for selectively routing entanglement building
A method and apparatus (80) are provided for routing entanglement building between a selected pairing of interface qubits (82). The qubits of the selected pairing of interface qubits (82) are separately entangled with at least one intermediate qubit (84) by interacting respective light fields with the interface qubits of the selected pairing and using an optical merge arrangement (83) to further interact the light fields with at least one intermediate qubit (84). Where there are multiple intermediate qubits (84) the intermediate qubits are entangled with each other. The or each entangled intermediate qubit (84) is then removed from entanglement.
Systems and methods for secure data sharing
Systems and methods are provided for creating and using a sharable file-level key to secure data files. The file-level key is generated based on a workgroup key associated with the data file and unique information associated with the data file. The file-level key may be used to encrypt and split data. Systems and methods are also provided for sharing data without replicating the data on an end user machine. Data is encrypted and split across an external/consumer network and an enterprise/producer network. Access to the data is provided using a computing image generated by a server in the enterprise/producer network and then distributed to end users of the external/consumer network. This computing image may include preloaded files that provide pointers to the data. No access or replication of the data on the enterprise/producer network is needed in order for a user of the external/consumer network to access the data.
Precomputing internal AES states in counter mode to protect keys used in AES computations
Methods, media, and systems for, in one embodiment, protecting one or more keys in an encryption and/or decryption process can use precomputed values in the process such that at least a portion of the one or more keys is not used or exposed in the process. In one example of a method, internal states of an AES encryption process are saved for use in a counter mode stream cipher operation in which the key used in the AES encryption process is not exposed or used.
Transmission protocol decoding method, device, and transmission protocol decoding chip
A transmission protocol decoding method, device, and a transport protocol decoder chip are provided for generating an oscillation signal; detecting a frame start signal, and outputting a sampling control signal when the frame start signal is detected; counting an oscillation period of the oscillation signal within a time period of low level bits of a frame start byte to obtain a count value after receiving the control signal, and then processing a division operation to the count value to output a quotient and a remainder; determining a sampling period according to the quotient and the remainder to generate a sampling pulse, and then decoding a data byte of a transmission data according to the sampling pulse.
Time synchronization method for communication system, slave station apparatus, master station apparatus, control device, and program
A time synchronization method for a communication system configured to perform protection switching, the communication system including a first network in which a master station and a slave station are connected via plural physical lines including a working line and a backup line and a second network connected to the slave station, the method including a time synchronization in which the slave station executes, when not detecting a communication failure of a downlink signal transmitted from the master station, synchronization processing for synchronizing, based on a clock of the slave station and timing information, time information transmitted to the second network with time information included in a time synchronization command and suppresses, when detecting a communication failure or receiving a switching notification from the master station apparatus, a synchronization error due to a difference between the clock of the slave station and the timing information.
Pre-distortion for a phase interpolator with nonlinearity
In an exemplary system, a first sampling circuit is coupled to a clock module to receive values therefrom. A second sampling circuit is coupled to the clock module to receive the values therefrom. The first sampling circuit includes a first converter, a first phase interpolator, and a first sampler. The first converter is coupled to replace the values with first replacement values for input to the first phase interpolator. The second sampling circuit includes a second converter, a second phase interpolator, and a second sampler. The second converter is coupled to replace the values with second replacement values for input to the second phase interpolator.
Method and control circuitry for performing full-duplex wireless communication
A method includes receiving, by control circuitry, a received portion of a first data unit from a remote device and determining, by the control circuitry, a first duration of the first data unit based on the received portion. The method further includes generating, by the control circuitry, a second data unit with data to be transmitted and transmitting, by the control circuitry, the second data unit to the remote device while receiving the unreceived portion of the first data unit. The second data unit has a second duration equal to the remaining duration of an unreceived portion of the first data unit.
Downlink control with control-less subframes
In a wireless communications system wherein control-less subframes share a common carrier with subframes that include control signaling, a method performed by a base station may include receiving a first indication from a network entity to maintain a designated set of subframes on a common carrier devoid of designated downlink control signals. The method may further include providing a second indication in a wireless transmission to a mobile entity, the second indication enabling identification of subframes in the designated set (i.e., the control-less subframes) by the mobile entity. In turn, identification of control-less subframes by the mobile entity prior to decoding the subframes may enable a more efficient control of blind decoding operations at the mobile entity and reduce blind decoding operations required for the mobile entity to decode downlink control information.
Systems and methods for determining measurement power offsets
Disclosed herein, among other things, is a method performed by a user equipment (UE) for providing to a network channel station information (CSI). The method comprises: receiving from the network two measurement power offsets, a first measurement power offset and a second measurement power offset; selecting one of said two measurement power offsets; computing CSI using the selected measurement power offset; and transmitting to the network the determined CSI.
Reference signal transmission method for downlink multiple input multiple output system
A reference signal transmission method in a downlink MIMO system is disclosed. The downlink MIMO system supports a first UE supporting N transmission antennas among a total of M transmission antennas (where M>N) and a second UE supporting the M transmission antennas. The method includes transmitting, by a base station (BS), subframe-associated information which designates a first subframe in which data for the first UE and the second UE is transmitted and a second subframe in which data only for the second UE can be transmitted within a radio frame having a plurality of subframes, and transmitting the first subframe and the second subframe. Reference signals corresponding to antenna ports ‘0’ to ‘N−1’ of the N antennas are mapped to the first subframe, and reference signals corresponding to antenna ports ‘0’ to ‘M−1’ of the M antennas are mapped to the second subframe.
Search space for EPDCCH control information in an OFDM-based mobile communication system
The present invention relates to a method for receiving control information within a subframe of a multi-carrier communication system supporting carrier aggregation, the method comprising the following steps performed at a receiving node: performing a blind detection for the control information within a search space by means of a first search pattern, wherein the first search pattern is one of a plurality of search patterns, each of the plurality of search patterns comprising a plurality of candidates distributed on any of a plurality of aggregation levels, and wherein the plurality of search patterns further comprises a second search pattern whose candidates are non-overlapping the candidates of the first search pattern on the same aggregation levels.
Enhanced node B and methods for network assisted interference cancellation with reduced signaling
Embodiments of an enhanced node B (eNB) and methods for network-assisted interference cancellation with reduced signaling in a 3GPP LTE network are generally described herein. In some embodiments, the number of transmission options is reduced by introducing a smaller signaling codebook. In some embodiments, higher-layer feedback from the UE to the eNodeB is established to inform the eNB about certain NA-ICS capabilities of the UE. In some embodiments, the number of signaling options is reduced by providing only certain a priori information. In some embodiments, correlations in the time and/or frequency domain are exploited for reducing the signaling message. In some embodiments, differential information is signaled in the time and/or frequency domain for reducing the signaling message.
Apparatus and a method for determining information on an amplitude error of a transmit signal
An apparatus for determining information on an amplitude error of a transmit signal includes at least one transmit path module, at least one feedback receive path module and at least one error determining module. The transmit path module generates a high frequency transmit signal based on a baseband transmit signal. The feedback receive path module generates a baseband feedback signal based on a high frequency feedback signal derived from the high frequency transmit signal. Further, the error determining module determines an error signal indicating information associated with an amplitude error of the high frequency transmit signal based on the baseband transmit signal and the baseband feedback signal. The error determining module comprises a feedback loop. This feedback loop of the error determining module comprises a feedback loop processing module. The feedback loop processing module generates a feedback loop output signal based on a feedback loop input signal and the baseband transmit signal.
Measuring bit error rate during runtime of a receiver circuit
In one embodiment, a receiver includes: a data path having a first slicer to receive and sample an incoming analog signal and to determine a bit level for the incoming analog signal, the first slicer to provide a bit decision to a consuming logic; an analysis path having a second slicer to receive and sample the incoming analog signal and to determine a second bit level for the incoming analog signal; and a controller coupled to receive an output of the first slicer and an output of the second slicer to determine a bit error rate for the data path based on the first and second slicer outputs. Other embodiments are described and claimed.
Apparatus and method for capability negotiation for hybrid automatic repeat request parameter in broadband wireless communication system
A technique for supporting newly defined Hybrid Automatic Repeat reQuest (HARQ) categories without an occurrence of an interpretation error when using a legacy Mobile Station (MS) and a legacy Base Station (BS) in a broadband wireless communication system is provided. A method of transmitting a capability negotiation message includes determining an HARQ parameter set to be allocated, setting a value of a second field for informing whether to indicate an HARQ parameter set which corresponds to an index greater than a maximum value that can be indicated by using a first field for indicating an index of the HARQ parameter set, and transmitting the capability negotiation message including the second field.
Packet processing apparatus and method for detecting duplicate acknowledgement packet
Provided are a packet processing apparatus and method for detecting a duplicate acknowledgement (ACK) packet. The packet processing apparatus initiates a session and then detects a retransmission packet and a duplicate ACK packet from input/output packets using statistic information related to packet retransmission. Accordingly, unnecessary traffic generated regardless of a user's intension can be blocked.
Acknowledgment channel for wireless communications
Systems and methodologies are described that facilitate establishing a forward link acknowledgement channel and transmitting acknowledgment signals thereupon. In particular, the signals can be spread within contiguous channel clusters in a tile where the signals in the cluster are mutually orthogonal to one another. Additionally, the signals can be multiplexed over a plurality of frequency regions. In this regard, the acknowledgment signals are diverse with respect to frequency and interference; moreover, the signals can be received and decoded even where one of the channels experiences high interference. Furthermore, the acknowledgement signals can also communicate a channel deassignment value, which allows devices to utilize persistent channels in communicating data to one another.
Iterative receiver loop
A method includes receiving a signal, which carries data that is encoded with an Error Correction Code (ECC), and correcting the received signal with an adaptive receiver loop. Soft input metrics for the data are computed over the corrected signal. The ECC is decoded using a decoder, which estimates soft output metrics based on the soft input metrics, by operating the decoder in an alternating pattern of external iterations that update one or more of the soft input metrics based on one or more of the soft output metrics, and internal iterations that update the soft output metrics but not the soft input metrics. The adaptive receiver loop is adjusted in a schedule that is defined relative to the pattern of the external and the internal iterations of the decoder.
Method and apparatus for reporting feedback information for multi-carrier operation
Method and apparatus for reporting feedback information for multi-carrier operation are disclosed. For more effective support for the asymmetric traffic loads in the downlink, a wireless transmit/receive unit (WTRU) is configured with multiple carriers with an unpaired downlink carrier(s). The unpaired downlink carrier is an active downlink carrier that does not have a corresponding active uplink carrier. The WTRU reports feedback information for multi-carrier operation including feedback for the unpaired downlink carrier. For transmission of the feedback information for the unpaired downlink carrier, a feedback channel may be allocated on a distinct non-overlapping resource region on the uplink carrier so that the network may determine which downlink carrier the received feedback information is for based on the resource region. Alternatively, a different feedback channel may be allocated for the unpaired downlink carrier. Alternatively, the feedback information may be transmitted via medium access control (MAC) encoded feedback.
Method and apparatus for detecting collision in wireless multi-access channel
A method and an apparatus for detecting a collision in a wireless multi-access channel are disclosed. The method of detecting the collision in the wireless multi-access according to an exemplary embodiment includes generating a request-to-send (RTS) message by a transmission terminal, transmitting the RTS message to a reception terminal, and receiving a response message from the reception terminal and determining whether a collision occurs based on a number of pieces of tone information included in the response message.
Method of optical data transmission using polarization division multiplexing
Proposed is a method of optical data transmission. The method comprises different steps. A first optical signal and a second optical signal are generated, such that the optical signals possess a same wavelength, respective phases, which are modulated in dependence on respective data values, and respective polarization states, which are essentially orthogonal to each other. A combined optical signal is generated, by combining the optical signals, such that the combined optical signal possesses a polarization state with a predetermined variation. The combined optical signal is transmitter over an optical transmission line and received. Two time-discrete sampled signals are generated, by sampling the received optical signal along two orthogonal polarization planes. Two filtered signals are generated, by filtering the time-discrete sampled signals in the time-discrete domain, using a function that is indicative of the respective predetermined variation. Finally, respective data values are derived from the filtered signals.
Transponder and optical transmission apparatus
A transponder among a plurality of transponders that are connected with a client device via a plurality of optical couplers, the transponder includes a protection timer configured to be activated when an alarm indication signal transmitted from the client device is received, and a controller configured to control transmission of an optical signal to one of the plurality of optical couplers when the protection timer times out, wherein a timeout value of the protection timer is set to a value different from a timeout value of a protection timer included in another transponder.
Communications network using adaptable FEC
A node for a communications network has a converter for digitizing at a receiver clock rate a received optical signal received over an optical link from an optical transmitter at a source node, a framer for detecting frames and a forward error correction part for correcting errors in the payload of the frame. An error rate in the received payload part is monitored and a processor sends, according to the monitored error rate, a request to the optical transmitter to adapt a length of the transmitted forward error correction part and to adapt a clock rate of the transmission of the frame if FEC length is reduced or FEC is disabled. This can enable power saving, when less FEC information is being sent.
Method and apparatus for transmitting message in a mobile communication system
A method for transmitting a random access preamble from a user equipment is presented. The method includes generating the random access preamble by applying a circular shift to a code sequence having a sequence identifier, allocating the random access preamble to consecutive resource blocks, applying subcarrier spacing for the random access preamble to the consecutive resource blocks, and transmitting, via a transmitter of the user equipment, the random access preamble.
Method of transmitting and receiving control information in a wireless communication system
A method of transmitting and receiving control information in a wireless communication system is disclosed. The method of receiving control information related to a specific point-to-multipoint service in a user equipment of a wireless communication system comprises receiving a notification message including indication information and an identifier identifying the point-to-multipoint service from a network, the indication information indicating at least one downlink channel related to the specific point-to-multipoint service among a plurality of downlink channels established for transmission of control information for at least one or more point-to-multipoint service, and receiving at least one downlink channel indicated by the indication information.
Propagation path estimation method and program and apparatus using the same
A propagation path estimation method using an imaging method according to the invention includes a step of, in a case where a reflect array 1 (structure) which causes reflection and scattering in a predetermined direction (θ-η)° different from a specular reflection direction θ° exists on a propagation path, rotating the reflect array 1 by η/2° about a rotation center O to set a virtual rotated reflect array 2 (virtual structure), and estimating the propagation path by using the virtual rotated reflect array 2.
Apparatus and system for tracking data speed automatically
An apparatus and a system for automatically tracking data speed are disclosed. An embodiment of the invention provides a transmitting apparatus for automatically tracking data speed that includes: an encoder configured to convert parallelized input data according to a preset signal rule into a first signal and a second signal, where the input data is inputted as a unit of n bits, the encoder outputs the first signal and the second signal such that, if the input data includes identical bit values consecutively, one of the first signal and the second signal is converted to include transition information instead of following a differential rule with respect to the other signal; a serializer configured to serialize the first signal and the second signal; and a transmitting part configured to transmit the serialized first signal and second signal.
Method and apparatus for cancelling self-interference signal between transmission antenna and reception antenna
An apparatus for cancelling a self-interference signal between a transmission antenna and a reception antenna is disclosed. The apparatus includes a first self-interference signal cancellation unit for cancelling a self-interference signal in consideration of a linear channel between the transmission antenna and the reception antenna, a second self-interference signal cancellation unit for cancelling a self-interference signal in consideration of nonlinear channel characteristic between the transmission antenna and the reception antenna or linear characteristic of a radio channel, and a controller for comparing a transmitted signal output from the transmission antenna and a received signal received by the reception antenna to provide a first coefficient to be applied to self-interference signal cancellation of a linear device in the first self-interference signal cancellation unit and a second coefficient to be applied to self-interference signal cancellation of a nonlinear device in the second self-interference signal cancellation unit.
Method and system for presence detection
The transmission system transmits an encrypted identifier ultrasonically in an open-air environment using an ultrasonic transmitter. The ultrasonic identifier is associated with a location, which may be a store or a department within a store, and may be received by a microphone on a mobile phone. The identifier may be used to infer presence of the mobile phone user at the location associated with the identifier. The transmitter may include an ultrasonic transducer. The system may further provide a reward, responsive to inferring presence at the location.
Optical communication device with a controller
An optical communication device includes a light emitting element including a light emitting surface, a first substrate coating the light emitting element, a light receiving element including a light receiving surface, a second substrate coating the light receiving element, a planar optical waveguide, a first reflecting element including a first sloped surface, and a second reflecting element including a second sloped surface. The first substrate includes a first supporting surface. The first supporting surface defines a first light guiding hole spatially corresponding to the light emitting surface. The second substrate includes a second supporting surface. The second supporting surface defines a second light guiding hole spatially corresponding to the light receiving surface. The planar optical waveguide is positioned on the first supporting surface and the second supporting surface. The first reflecting element and the second reflecting element are respectively positioned on two opposite ends of the planar optical waveguide.
Transmission and reception of quad-subcarrier orthogonal frequency division multiplexed signals
A dual-polarization, 4-subcarriers orthogonal frequency division multiplexed signal carrying information bits is transmitted in an optical communication network without transmitting a corresponding pilot tone or training sequence. A receiver receives the transmitted signal and recovers information bits using a blind equalization technique and by equalizing the 4-subcarriers OFDM signal as a 25-QAM signal in time domain with a CMMA (constant multi modulus algorithm) equalization method.
Optical transport network clock transient suppression systems and methods
An Optical Transport Network (OTN) method, an OTN switching node method, and an OTN node utilize a “double wrapper” configuration to eliminate clock transients in OTN networks. That is, the systems and methods bury an ODU beneath another overclocked ODU thereby eliminating any interruptions due to clock transients, framing events or other disruptions. For example, an ODU2 can be mapped into an ODU2e, an ODU3 can be mapped into an ODU3e2, an ODU4 can be mapped into an ODUG or some other overclocked variant of ODU4, and the like. Specifically, ODU2e, ODU3e2, ODUG, etc. are overclocked variants of ODU2, ODU3, ODU4, etc. The systems and methods propose to use these overclocked signals to carry standard ODU signals to eliminate clock transient problems.
Broadband wireless communication system and method
Free space optical communication is plagued by interruptions in the connections caused by atmospheric phenomena, such as weather. A wireless beam transmission system includes at least one transmitter (110) and accommodates several wavelengths, and at least one transmission wavelength is arranged to be chosen based on spectral absorption measurements of the atmosphere in the carrier beam path of communication. The invention concerns also a transceiver for repeating wireless optical communication signals. The long range and high reliability of spectroscopically sensitive light beams at a penetrating frequency allow the affordable provisioning of high bandwidth optical or IR communication connections to devices and buildings that were previously either very expensively connected to the fiber optic backbone networks, expensive low bandwidth radio or microwave networks, or unreachable by traditional free space optics solutions.
Fast re-route for optical networks
An optical network device re-routes traffic from a path to a backup path in response to determining that a downstream segment of the primary path is not operational. The optical network device receives traffic on a slot of an optical fiber. For each data unit in the traffic, the optical network device determines, based on receiving the data unit on the slot and based on a flow identifier specified in the data unit, that a given path is associated with the data unit. If a downstream segment of the given path is not operational, the optical network device routes the data unit onto a backup path instead of routing the data unit along the given path. Bandwidth is not reserved for the backup path.
Apparatus and method for transmitting frame information in multi-hop relay broadband wireless access communication system
An upper node is provided for use in a wireless communication system using a relay scheme. The upper node includes means for transmitting, upon a request of a lower relay station for an initial connection of the lower relay station, downlink section information for communication with the lower relay station for a relay service to the lower relay station; and means for transmitting, after the initial connection with the lower relay station, frame configuration information for communication with the lower relay station for a relay service to the lower relay station through the downlink section. The downlink section information includes configuration information of the downlink section for communication with the lower relay station for a relay service.
Handheld diabetes manager with a flight mode
A handheld diabetes manager has a flight mode that cooperatively interacts with an external medical device and includes a port configured to receive a test strip for blood glucose measurement, a blood glucose measurement module operable with the test strip, a communications module and a user interface module. The communications module selectively communicates wirelessly with an external medical device. The user interface module communicates with the blood glucose measurement module and the communications module and operates to provide a graphical user interface on a display of the diabetes manager. The graphical user interface includes a screen with a flight mode option. When the flight mode option is enabled and the external medical device is paired and currently communicating with the diabetes manager, the user interface module interacts with the communication module to send a command to the external medical device to turn off wireless communication of the external medical device.
Mobility across satellite beams using L2 connectivity
Systems and methods for providing mobility across satellite beams, are described. The system includes a first core node, a second core node in communication with the first core node at layer-2 of the OSI model (L2), and a first gateway in communication, at L2, with the first core, the first gateway configured to provide access to a first spot beam at a first location. The system further includes a second gateway in communication, at L2, with the second core node, the second gateway configure to provide access to a second spot beam at a second location, and a mobile device, at the first location, in communication, with the first gateway via the first spot beam, wherein the mobile device is assigned an IP address by the first core node. The mobile device moves from the first location to the second location. Further, the first gateway, in response to the mobile device moving from the first location to the second location, notifies the second gateway, through the first core node and the second core node, that the mobile device is moving to the second location, and transmits the session information to the second gateway, and the second gateway, in response to the notification, maintains connectivity with the mobile device using the IP address.
Method to establish and maintain an aircraft ad-hoc communication network
An ad-hoc communication network including at least two vehicles such as at least two aircraft. Each vehicle includes surveillance equipment, a surveillance transmitter, a surveillance receiver, a communication management function (CMF), a communication transmitter, and a communication receiver. The surveillance equipment is configured to generate at least position and ID information. The surveillance transmitter is configured to transmit the at least position and ID information. The surveillance receiver is configured to receive at least position and ID information from other vehicles. The communication management function (CMF) is configured to determine a network topology based on the received at least position and ID information and determine a route for a communication signal based on the determined network topology and the communication transmitter is configured to transmit the communication signals to a select communication receiver pursuant to the determined route.
Method and system for distributed communication
A decentralized communication device is provided that facilitates optimal positioning and orientation of one or more antennas for wireless communication with external devices. The decentralized communication device includes one or more master components and one or more slave components. The master and the slave components are physically separate and communicate wirelessly. In some embodiments the slave acts as a carrier frequency translator between the master and an external wireless device, where it communicates with the external device using a first frequency and communicates with the master using a second frequency which is different from the first frequency. In another embodiment the slave has most or all the physical layer to do the digital coding, digital modulation, data framing, data formatting and data packetization for communicating with an external device, in which case digital coding and digital modulation is distributed between the master and the slave.
Antenna polarization optimization for wireless communications
Embodiments are directed to providing communication between a first device and a second device by: iterating, by the first device, over a number of transmitter antenna polarization types in the first device, constructing, by the first device, a number of data units based on each of the transmitter antenna polarization types, transmitting, by the first device, each of the data units for each of a number of receiver antenna polarization types in the second device, receiving, by the first device, an indication of a transmitter antenna polarization type in the first device included in the number of transmitter antenna polarization types in the first device, and transmitting, by the first device, data using the indicated transmitter antenna polarization type.
CSI reporting for a set of CSI-RS resources
A method implemented by a wireless terminal of reporting channel state information to a wireless communication network is disclosed. The wireless terminal receives reference symbols on a set of channel state information reference symbol (CSI-RS) resources, and determines a common transmission rank for the set of CSI-RS resources, based on the reference symbols received on a subset of those CSI-RS resources. The terminal then generates CSI feedback as a function of the common transmission rank, and transmits the CSI feedback to the communication network. The CSI feedback may include the common transmission rank itself, or may include different transmission ranks for different CSI-RS resources each determined as a function of the common transmission rank. A complementary method in which a network node uses such a CSI feedback to perform rank adaptation for the set of CSI-RS resources is also disclosed.
Communication apparatus and method, computer program, and communication system enabling improved throughput for an entire plurality of users
Communication operations are optimally conducted by applying space-division multiple access in which wireless resources on a spatial axis are shared among a plurality of users.By applying an RD protocol to a communication system that conducts space-division multiple access, spatially multiplexed frames in a TXOP are made more efficient. By specifying a frame length for reverse direction frames with reverse direction permission information and having respective transmitters of reverse direction frames make their frame lengths uniform while respecting the specification, AGC operation stabilizes. Also, a transmit start time for reverse direction frames can be specified by reverse direction permission information, and respective transmitters of reverse direction frames can transmit frames at the same time while respecting the specification.
Method, apparatus and system for implementing multi-user virtual multiple-input multiple-output
A method and system for implementing multi-user virtual multiple-input multiple-output (MIMO) techniques for wireless transmit/receive units (WTRUs) having one or more antennas are disclosed. The system includes a base station and at least one WTRU having at least two antennas. The number of antennas of the base station is not less than the number of antennas of any of the WTRUs. The base station generates a channel matrix for the WTRUs and processes received signals from the WTRUs based on a measurement of the channel matrix. The WTRUs may perform transmit precoding or eigen-beamforming using the channel matrix information. The WTRUs may also perform transmit diversity.
Method for operating a communications system in wireless vehicle-to-environment communication, and communication system
A method for operating a communication system in wireless vehicle-to-environment communication includes: transmitting, using the communication system, different information as signals on various radio channels in accordance with its content, the communication system having at least two reception paths each having at least one separate antenna and an associated separate receiver for receiving the transmitted signals; and changing over the communication system between two modes of operation when a changeover criterion is satisfied, such that the at least two reception paths receive signals on a different radio channel in a first mode of operation and receive signals on the same radio channel in a second mode of operation.
Reassignment of data among subcarriers in wireless data communication
A data communication system has a station that includes multiple antenna elements. The station communicates to the antenna elements by way of digital data channels. Each antenna is connected to an RF module that receives data by way of a corresponding digital data channel, encodes and transmits the data. Adaptive beamforming may be performed for interference mitigation. Embodiments use the strength of pilot signals and/or error vector magnitudes as cost functions for an adaptive beamforming alogorithm such as optimum combining. Unused sub-carriers may be applied to provide in-band communication to facilitate channel switching, data reallocation and other interference mitigation strategies.
Wireless power transmitting device for wireless power communication system
A wireless power transmitting device for a wireless power communication system. The wireless power transmitting device includes: a circuit board including an insulating layer and a ground formed on the insulating layer; a core of a magnetic substance disposed on the circuit board to have a concave portion; a wire-wound coil accommodated in the concave portion to have one end for receiving a power through the circuit board and the other end connected to the ground; and a metal layer disposed between the core and the insulating layer to be connected to the ground.
Communication device and feeder device
A communication device includes a sensor, an antenna, and a notification component. The sensor is configured to detect magnetic field strength. The antenna is configured to generate a magnetic field. The antenna is further configured to communicate with a wireless device that is configured to generate a magnetic field during communication. The notification component is configured to notify a positional offset between the antenna and the wireless device based on output signal indicative of the magnetic field strength. The sensor is arranged with respect to the antenna such that an effect of the magnetic field generated by the antenna on the output signal is suppressed.
Asymmetric channels in power line communications
Apparatus (and related methods) for a power line communication network include a processor configured to receive beacons over a communication interface. The processor determines a link quality indicator (LQI) for each received beacon and ignores the beacons for at most a predetermined maximum number of beacon receptions when each LQI is below a threshold. The processor responds to a received beacon if the LQI for such received beacon exceeds the threshold or if a predetermined maximum number of beacons have been received with LQIs below the threshold.
Voice coding device, voice decoding device, voice coding method and voice decoding method
A voice coding device capable of preventing overall quality degradation even when the bit rate for coding is lowered. The voice coding device codes a wide band signal in a first layer, and codes an extended band signal whose frequency band is located in higher frequency than the wide band signal in an extended band layer. An adaptive band selection unit (301) selects a frequency band to be excluded from a coding object in the extended band layer or a frequency band whose energy is to be attenuated in the extended band layer. A band-limited signal generation unit (302) excludes, within the frequency band of an input signal, the frequency band selected by the adaptive band selection unit (301) from the coding object, or attenuates the energy of the frequency band selected by the adaptive band selection unit (301).
Apparatus and method for bypassing amplifiers used to amplify signals received by wireless communication systems
An apparatus may include a multi-throw switch having a common terminal connected to an antenna of a wireless communication system. The multi-throw switch may be configured to direct signals received from the antenna between (1) an amplification path that connects a receive terminal of the multi-throw switch to a receiver of the wireless communication system and (2) at least one bypass path that connects an additional receive terminal of the multi-throw switch to the receiver. The amplification path may include at least one amplifier that amplifies signals received from the antenna, and the bypass path may have a gain that is less than a gain of the amplification path. Various other systems and methods are also disclosed.
Waterproof mobile device case
A case for a mobile communication device includes a base that defines an interior and a first surface and is configured to receive at least a portion of the mobile communication device in the interior. A screen protector is configured to releasably engage the base and defines a first surface of the screen protector. The screen protector is configured to retain a gasket, which is releasably engageable to the screen protector, between the first surface of the base and the first surface of the screen protector. A cover is provided that is releasably engageable with the base and is configured to releasably restrain the screen protector when engaged with the base. The cover defines an opening through which at least a portion of the screen protector is accessible.
System and algorithm for multipath mitigation
A system and method for optimally combining multi-path signals is presented. A first signal is received that traveled a first path from a transmitter to a receiving location and a second signal is received that traveled a different second path from the transmitter to the same receiving location. The paths are different so that the first and second signals contain the same signal data but the first signal has a first distortion that is different than a second distortion in the second signal. According to an objective function, the method adaptively generates a first weight value and a second weight value. The first and second weight values are applied to the respective first and second signals to produce respective first and second weighted signals. The first and second weighted signals are linearly combined producing a combined signal with a combined signal degradation.
Reducing second order distortion in an amplifier
In an embodiment, an apparatus includes a component of a receiver path to receive and process an incoming signal. At least one element of the component is controllable based on a DC output of the component, to compensate for a second order intermodulation product of the apparatus. As one example, the component is a differential amplifier including a first transistor and a second transistor.
LDPC code matrices
An LDPC parity check matrix includes a systematic portion having a plurality of systematic elements and a parity portion having a plurality of parity elements. The value of each systematic element determines a cyclic shift to be applied to rows of an identity submatrix corresponding to that element. The value of each parity element determines a cyclic shift to be applied to rows of an identity submatrix corresponding to that element. The weights of each column of a group of columns of the parity portion are the same.
Memory controller, memory system, and memory write method
A memory controller includes a memory interface that has multiple channels and carries out writing into a nonvolatile memory through each of the channels, a data buffer, an ECC (error correcting code) encoder for applying an error correction encoding processing on write data which are to be written into the nonvolatile memory to generate ECC data, a channel allocation part for allocating the channels to the write data and the ECC data based on a write data format of the nonvolatile memory, a write data reception processing part that stores the write data in the data buffer and outputs the write data to the ECC encoder, and a channel scheduler for transferring the write data stored in the data buffer and the ECC data to the channels of the memory interface as allocated by the channel allocation part.
Code generator and decoder for communications systems operating using hybrid codes to allow for multiple efficient uses of the communications systems
A method of encoding data for transmissions from a source to a destination over a communications channel is provided. The method operates on an ordered set of source symbols and may generate zero or more redundant symbols from the source symbols, wherein data is encoded in a first step according to a simple FEC code and in a second step, data is encoded according to a second FEC code, more complex than the first FEC code. The first FEC code and/or the second FEC code might comprise coding known in the art. These steps result in two groups of encoded data in such a way that a low-complexity receiver may make use of one of the groups of encoded data while higher complexity receivers may make use of both groups of encoded data.
Deflate compression algorithm
A compression algorithm replaces duplicative strings with a copy pair indicating a location and length of a preceding identical string that is within a window from the duplicative string. Rather than a replacing a longest matching string within a window from a given point with a copy pair, the longest matching string may be used provide it is at least two bytes larger than the next longest matching string or is at a distance that is less than some multiple of a distance to the next longest matching string. In another aspect, the length of the window in which a matching string may be found is dependent on a length of the matching string. In yet another aspect, rather than labeling each literal and copy pair to indicate what it is, strings of non-duplicative literals are represented by a label and a length of the string.
Re-aligning a compressed data array
Some embodiments include two-dimensional compressed data sets that can be re-aligned while preserving compression of the data. A set of one or more shifts and a corresponding set of one or more first dimension indices into a two-dimensional compressed data set for re-aligning the two-dimensional compressed data set are determined. Impact of re-aligning upon each vector in the second dimension of the two-dimensional compressed data set is determined while the two-dimensional compressed data set remains compressed. New compressed vectors are created in the second dimension resulting from re-aligning. Compression information is modified for each of the original vectors of the two-dimensional compressed data set that remain after re-aligning based, at least in part, on the new compressed vectors. A re-aligned version of the two-dimensional compressed data set is created with the new compressed vectors, and the remaining original vectors with their modified compression information.
Type conversion using floating-point unit
Techniques are disclosed relating to type conversion using a floating-point unit. In one embodiment, to convert a floating-point value to a normalized integer format, a floating-point unit is configured to perform an operation to generate a result having a significant portion and an exponent portion, where the operation includes multiplying the floating-point value by a constant. In one embodiment, the apparatus is further configured to add a value to the exponent portion of the result, and set a rounding mode to round to nearest. The constant may be a greatest value less than one that can be represented using the particular number of unsigned bits. The value added to the initial exponent may be equal to the number of unsigned bits of the normalized integer format. The apparatus may perform this conversion in response to a pack instruction.
Analog-to-digital conversion apparatus and analog-to-digital conversion method
An analog-to-digital conversion apparatus includes: a second or higher order ΔΣ analog-to-digital converter which receives input of analog data and generates a digital modulated signal including more significant bits; a cyclic analog-to-digital convertor which receives input of an analog signal and generates a multi-bit digital value of less significant bits, the analog signal being included in the analog data and having not been subjected to ΔΣ processing by the ΔΣ analog-to-digital converter.
Method and apparatus for an active negative-capacitor circuit to cancel the input capacitance of comparators
The differential output of a Programmable Gain Amplifier (PGA) is loaded by the input differential gate capacitance of a plurality of Analog to Digital convertors (ADC) comparators and the differential metal layer traces to interconnect these comparators to the PGA. The differential capacitive load presented to the PGA is quite large and reduces the bandwidth of this interconnect between the PGA and ADC. To overcome the performance degradation due to the differential capacitive load, an active negative-capacitor circuit cancels the effect of the large input capacitance of the ADC comparators. This cancelation extends the gain characteristics of the interconnect between the PGA's output and the inputs of the first stage of the comparators. The active negative-capacitance is comprised of a cross pair NMOS with a capacitor connecting their sources where each NMOS is biased by a current source.
Clock generation circuit and electronic apparatus
A clock generation circuit includes a delay clock generation unit configured to generate a predetermined number of delay clock signals having different delay time periods for a reference clock signal; a low-speed clock generation unit configured to generate a low-speed clock signal having a lower frequency than the reference signal in accordance with a control signal that controls a phase; a control signal processing unit configured to perform, on the control signal, a quantization process for quantizing a value of the control signal into the predetermined number of discrete values and a modulation process for distributing a quantization error in the quantization process in a band of frequencies higher than a predetermined frequency; a selection unit configured to select any one of the predetermined number of delay signals in accordance with the control signal; and an output unit configured to output the low-speed signal in synchronization with the selected signal.
Buffer circuit with reduced static leakage through controlled body biasing in FDSOI technology
A buffer includes an input configured to receive a first digital signal having first and second logic states referenced, respectively, to a first high voltage and a first low voltage of a first supply domain. A first inverter circuit includes a pMOS transistor and nMOS transistor having gate terminals connected to the input. A second inverter is connected in series with the output of the first inverter. The second inverter has an output configured to generate a second digital signal having first and second logic states referenced, respectively, to a second high voltage and a second low voltage of a second, different, supply domain, wherein at least the second high voltage is greater than the first high voltage. A feedback circuit is configured to apply the second digital signal as a bias to a transistor body of the p-MOS transistor of the first inverter circuit.
Serial transmission driving method
The present invention discloses a serial transmission driving method, wherein a serial transmission driving device (STD) is connected with a first terminal (FT) and a second terminal (ST) of an equivalent load capacitor through a first differential bus (FDB) and a second differential bus (SDB). FDB and SDB are respectively connected with a high-potential terminal (HPT) and a low-potential terminal (LPT) through a first equivalent resistor and a second equivalent resistor. STD receives a trigger signal (TS) appearing during the transition between a turn-on signal (Ton) and a turn-off signal (Toff), generates a first potential (FP) and a second potential (SP) greater than FP according to TS, and respectively applies FP and SP to SDB and FDB. FP and SP fast change the potential of FT to be greater than that of ST. HPT and LPT maintain potentials of FDB and SDB until Toff ends.
Line receiver circuit with active termination
A circuit for receiving digital signals over a transmission line. A feedback circuit is coupled to an input node of the transmission line and adjusts the input impedance of the receiver circuit to match the characteristic impedance of the transmission line. The feedback circuit includes a first current source controlled by a first voltage and having a first transconductance, and a second current source controlled by the first voltage and having a second transconductance equal to the first transconductance times a first scaling factor. The feedback circuit includes a first resistance element having a resistance equal to the first scaling factor plus one, times the characteristic impedance of the transmission line, and is coupled between the outputs of the first and second current sources. Finally, the feedback circuit also includes a differential amplifier that compares the output of the first current source to a reference value then generates the first voltage output to control each of the first and second current sources.
MOSFET gate driving circuit for transition softening
A power supply unit for use with thermostats or other like devices requiring power. A power supply unit may be designed to keep electromagnetic interference emissions at a minimum, particularly at a level that does not violate governmental regulations. A unit may be designed so that there is enough power for a triggering a switch at about a cross over point of a waveform of input power to the unit. Power for triggering may come from a storage source rather than line power to reduce emissions on the power line. Power for the storage source may be provided with power stealing. Power stealing may require switching transistors which can generate emissions. Gate signals to the transistors may be especially shaped to keep emissions from transistor switching at a minimum.
Circuit and method for body biasing
Various example embodiments are directed to methods and circuits for mitigation of on-resistance variation and signal attenuation in transistors due to body effects. In some embodiments, an apparatus includes a transistor configured to provide a data signal from a first one of the source or the drain to the other one of the source or the drain in response to a control signal provided to the gate. A body bias circuit is configured to bias the body of the transistor based on a voltage of the data signal to reduce variation in the on-resistance exhibited by the first transistor. In an embodiment, the apparatus includes body bias transistors and switches and the gates of the body bias transistors are connected to protect the body bias transistors from the effects of electrostatic discharge (ESD) events.
Adaptive voltage scaling using a delay line
In one embodiment, a method includes determining, for an integrated circuit chip, a delay measurement corresponding to a first number of stages in a delay line. A power supply voltage measurement is also determined. The method determines a second number of stages correlated to the power supply voltage measurement. The second number of stages correspond to a desired timing delay. It is determined if a power supply voltage should be adjusted using a comparison based on the first number of stages and the second number of stages. A control signal is output for adjusting the power supply voltage when it is determined the power supply voltage should be adjusted.
Clock cycle compensator and the method thereof
One aspect of the present invention is to provide a method for compensating a system duty cycle of a system clock signal. The method in one embodiment comprises the following steps: locking a duty cycle center of the system duty cycle by a delay lock loop; detecting a current system duty cycle of the system clock signal; determining a duty cycle correction amount, wherein the duty cycle correction amount is a gap of the current system duty cycle from a target duty cycle; and changing a polarity of an input reference clock signal according to whether the duty cycle correction amount exceed a threshold amount or not.
Scannable flop with a single storage element
In an embodiment, a flip flop circuit includes a master latch and a slave latch. The master latch comprises a storage element and at least two legs, including a data leg and at least one scan leg. The first node of the storage element may be driven by the data leg. The opposite node of the storage element may be driven by at least one of the scan legs. The slave latch may be coupled to the master latch.
Level shift circuit
Provided is a high-reliability level shift circuit not prone to faulty operation due to noise. A level shift circuit 1 is provided with: first and second current control elements 12a and 12b into control terminals of which a reverse-phase input signal and an in-phase input signal are input, respectively; first and second load circuits 13a and 13b which are connected at one end to a high-side power source terminal Vb and at the other end to each of first terminals of the first and second current control elements 12a and 12b; a comparator 14 in which a pair of differential input terminals Np and Nn are connected separately to each of the first terminals of the first and second current control elements 12a and 12b; a current generating circuit 3 in which first and second current output terminals Na and Nb are connected to second terminals of the first and second current control elements 12a and 12b, and which separately generates a current which flows through the respective first and second current control elements 12a and 12b; and voltage suppressing circuits 15a and 15b which are connected separately or commonly to the first and second current output terminals Na and Nb, respectively, and suppress voltage from rising in the first and second current output terminals Na and Nb, respectively.
Systems and methods for improving the time alignment of non-overlapping waveforms
Systems and methods for improving the timing alignment of non-overlapping waveforms are provided. In this regard, a representative system, among others, includes a waveform synthesizer that generates a plurality of input waveforms and inverters having inputs and outputs, wherein the inverters receive the input waveforms at the inputs of the inverters and invert the input waveforms, producing a plurality of inverted waveforms at the outputs of the inverters. The system also includes NOR gates having inputs and outputs, wherein the NOR gates receive the plurality of inverted waveforms at the inputs of the NOR gates and pass through one of the inverted waveforms at the outputs of the NOR gates.
Digital signal-processing structure and methodology featuring engine-instantiated, wave-digital-filter cascading/chaining
Filter-chain-creating, digital signal-processing structure, for performing frequency band analysis and selection, which structure features a time-slice-based digital fabricating/instantiating engine, and engine-software-operating structure designed to operate the engine in a time-slice-based fabrication mode to create a chained arrangement of at least one of (a) Type-I, and (b) combined Type-I and Type-I wave digital filter (WDF) agencies in an overall, composite WDF structure to function for frequency band analysis and selection.
Package, resonation device, oscillator, electronic device, and moving object
A quartz crystal resonator includes a quartz crystal resonator element, a thermistor, a second layer including a first principal surface and a second principal surface, and a third layer having a through hole. internal terminals are provided on the first principal surface side, and electrode pads are provided in a portion exposed from the through hole on the second principal surface side. The quartz crystal resonator element is attached to the internal terminals, and the thermistor is attached to the electrode pads. Two mounting terminals are provided on a first diagonal line on the third principal surface side of the third layer, and two mounting terminals are provided on a second diagonal line. At least one of the two electrode pads is connected to any one of the two mounting terminals on the second diagonal line through a first conductive film provided on an inner wall of the through hole.
Package structure for duplexer, method of manufacturing the same and electronic device with the same
A package structure includes a printed circuit board (PCB), a duplexer, a first dam, a second dam and a cover. The duplexer includes a transmission filter and a reception filter and is electrically connected with the PCB. The first dam is located on a surface of the PCB, and in cooperation with the PCB forms a first receptacle receiving the transmission filter. The second dam is located on the surface of the PCB, and in cooperation with the PCB forms a second receptacle receiving the reception filter. The cover is fixed with top parts of the first dam and the second dam to seal the transmission filter and the reception filter. A method of manufacturing plural such package structures is also provided.
Systems for reducing magnetic coupling in integrated circuits (ICS), and related components and methods
Systems for reducing magnetic coupling in integrated circuits (ICs) are disclosed. Related components and methods are also disclosed. The ICs have a plurality of inductors. Each inductor generates a magnetic flux that has a discernible axis. To reduce magnetic coupling between the inductors, the flux axes are designed so as to be non-parallel. In particular, by making the flux axes of the inductors non-parallel to one another, magnetic coupling between the inductors is reduced relative to the situation where the flux axes are parallel. This arrangement may be particularly well suited for use in diplexers having a low pass and a high pass filter.
AC coupling circuit with hybrid switches and constant load
A coupling apparatus having plurality of branches and a resistive element is disclosed. Each branch may be configured to couple at least one of (i) a first input node and (ii) a second input node to a first output node through a plurality of switches and a plurality of capacitors. The resistive element generally connects the first output node to a second output node. The first output node may be loaded by a respective parasitic capacitance of at least one of the switches.
Noise filter and transmission device
A noise filter can reliably reject an in-phase component included in a differential signal without generating anti-resonance at a target frequency reject and, a transmission device including such a noise filter.Ends of a pair of coils are connected to a pair of transmission lines in the vicinity of the transmitting circuit, and other ends are short-circuited. The coils are magnetically coupled so that the magnetic flux is cancelled regarding the in-phase component that transmits the pair of transmission lines, and the magnetic flux is increased regarding an opposite-phase component that transmits the pair of transmission lines. A series circuit, which includes an inductor and a capacitor connected in series, is connected to the pair of coils and ground. Each value of the pair of coils, the inductor, and the capacitor is set so that a resonance frequency of the in-phase component is a target frequency.
Techniques for efficient radio frequency power amplifier
A method adjusts an amplitude of a power amplifier output voltage based on an amplitude feedback signal and adjusts a phase of the power amplifier output voltage based on a phase feedback signal. The method also controls a power efficiency of the power amplifier output voltage.
System and method for narrow bandwidth digital signal processing
The present invention provides methods and systems for narrow bandwidth digital processing of an input audio signal. Particularly, the present invention includes a high pass filter configured to filter the input audio signal. A first compressor then modulates the filtered signal in order to create a partially processed signal. In some embodiments, a clipping module further limits the gain of the partially processed signal. A splitter is configured to split the partially processed signal into a first signal and a second signal. A low pass filter is configured to filter the first signal. A pass through module is configured to adjust the gain of the second signal. A mixer then combines the filtered first signal and the gain-adjusted second signal in order to output a combined signal. In some embodiments, a tone control module further processes the combined signal, and a second compressor further modulates the processed signal.
Self biased dual mode differential CMOS TIA for 400G fiber optic links
A transimpedance amplifier (TIA) device. The device includes a photodiode coupled to a differential TIA with a first and second TIA, which is followed by a Level Shifting/Differential Amplifier (LS/DA). The photodiode is coupled between a first and a second input terminal of the first and second TIAs, respectively. The LS/DA can be coupled to a first and second output terminal of the first and second TIAs, respectively. The TIA device includes a semiconductor substrate comprising a plurality of CMOS cells, which can be configured using 28 nm process technology to the first and second TIAs. Each of the CMOS cells can include a deep n-type well region. The second TIA can be configured using a plurality CMOS cells such that the second input terminal is operable at any positive voltage level with respect to an applied voltage to a deep n-well for each of the plurality of second CMOS cells.
LINC power amplifier
A LINC power amplifier selects, based on an amplitude of an input signal, partial signals used for combination, and determines, based on the amplitude and a phase of the input signal, an amplitude and a phase of the selected partial signals so that a range of output power that the LINC power amplifier operates a given efficiency is expanded, inputs the selected partial signals to corresponding power amplifiers, and combines signals obtained by amplification of the selected partial signals by the corresponding power amplifiers.
Quasi iso-gain supply voltage function for envelope tracking systems
A method of defining a quasi iso-gain supply voltage function for an envelope tracking system is disclosed. The method includes a step of capturing iso-gain supply voltage values versus power values for a device under test (DUT). Other steps involve locating a minimum iso-gain supply voltage value, and then replacing the iso-gain supply voltage values with the minimum iso-gain supply voltage value for corresponding output power values that are less than an output power value corresponding to the minimum iso-gain supply voltage value. The method further includes a step of generating a look-up table (LUT) of iso-gain supply voltage values as a function of input power for the DUT after the step of replacing the iso-gain supply voltage values with the minimum iso-gain supply voltage value for corresponding output power values that are less than an output power value corresponding to the minimum iso-gain supply voltage value.
Class D amplifier with variable switching frequency
A method for operating an audio system having multiple Class D audio amplifiers is described. An external oscillatory signal is coupled to the amplifiers, such that the switching frequencies of both of the amplifiers align with (e.g., are directly set to) a frequency of the external signal. An input level associated with an audio signal that is being amplified is detected, and the detected input level is compared to a threshold. When the comparison indicates that the input level is below a lower threshold, the frequency of the external oscillatory signal is raised, and when the comparison indicates that the input level is above an upper threshold, the frequency of the external oscillatory signal is lowered. Other embodiments are also described and claimed.
Impedance transformer for use with a quadrature passive CMOS mixer
An impedance transformer for use with a quadrature passive mixer is disclosed. In an exemplary embodiment, an apparatus includes a mixer configured to generate an up-converted signal at a mixer output port in response to local oscillator (LO) signals, and an impedance transformer configured to provide a complex impedance at the mixer output port. The complex impedance configured to generate a selected level of the reverse isolation for the mixer thereby generating a selected amplitude flatness symmetry characteristic for the up-converted signal.
A differential oscillator includes a resonator, a differential amplifier circuit, and a filter. The filter is disposed in parallel to the resonator and the differential amplifier circuit. The filter has a first resonance frequency in the first resonance mode and a second resonance frequency in the second resonance mode. The filter has a lower impedance at one frequency in one of the first resonance frequency and the second resonance frequency than an impedance at one frequency at another in the first resonance frequency and the second resonance frequency. The differential oscillator has a negative resistance at a frequency at which the impedance of the filter is higher while the differential oscillator does not have a negative resistance at a frequency at which the impedance of the filter is lower among the first resonance frequency and the second resonance frequency.
Method for smooth motor startup
A method of conducting smooth motor startup is provided and includes operating a motor in an open loop control scheme at startup, operating the motor in a closed loop sensorless control scheme at a time after startup and transitioning between the open loop control scheme and the closed loop control scheme by reducing a difference between an estimated rotor angle of the motor and a commanded ramping angle of the motor.
Motor control apparatus
A motor control apparatus includes: duty calculation units that calculate a duty of a PWM signal based on a deviation between a value of a physical quantity of a motor with a command value; and a duty setting unit that performs setting of the duty based on the duty calculated by the duty calculation units. The duty setting unit maintains a present duty until new duty is input from any one of the plurality of duty calculation units, and updates the duty from the present duty to the new duty when the new duty is input from any one of the plurality of duty calculation units. A PWM signal generation unit generates the PWM signal based on the duty set by the duty setting unit and a carrier signal generated by a carrier signal generation unit.
Motor control system and control system for electric motor-driven vehicle
A motor control system includes a drive motor and a deck motor that are connected to a battery, an ECU, and a key switch. The key switch acquires that an operation unit has been turned on, and transmits a restart permission signal to the ECU. When SOC of the battery reaches or falls below a first threshold set in advance, the ECU performs a step of disabling all the motors, and when the restart permission signal is received, the ECU performs a step of executing a decelerated travelling mode where the disabled state of the drive motor is released and an allowed speed of the drive motor is reduced.
Vibrator, vibration type driving apparatus and manufacturing method of vibrator
A vibrator includes an elastic body bonded to an electrical-mechanical energy converting element and including at least two contact parts, in which the at least two contact parts have convex shapes, shapes of surfaces of the at least two contact parts are part of spherical shapes, and rising directions of the at least two contact parts toward a member to be driven when the member is driven are different.
Wide input DC/DC resonant converter to control reactive power
A DC/DC resonant converter system includes a primary converter unit having a split resonant tank circuit. The resonant converter unit further includes a plurality of primary switching units that control the current flowing into the split resonant tank circuit. A controlled secondary rectifier unit includes a plurality of rectifier switching units to reduce reactive power in the primary converter unit. A phase-shift controller is in electrical communication with the primary converter unit and the controlled secondary rectifier unit. The phase-shift controller is configured to determine a rectifier phase-shift angle based on the plurality of primary switching units and to control switching of the plurality of rectifier switching units based on the rectifier phase-shift angle.
Switched mode converter and methods of controlling switched mode converters
A method is disclosed of controlling a switched mode converter comprising a switch and for providing power to device having a load, comprising: in response to the load exceeding a first threshold, operating in a first mode, being a CCM; in response to the load exceeding a second threshold and not exceeding the first threshold, operating in second mode, being a BCM without valley skipping wherein the switching frequency increases with decreasing load; in response to the load exceeding a third threshold and not exceeding the second threshold, operating in a third mode, being a BCM with valley skipping, wherein the switching frequency depends on the load and the number of valleys skipped and is between a fixed upper and a lower switching frequency limit; and in response to the load not exceeding the third threshold, operating in a fourth mode, being a BCM with valley skipping, wherein the switching frequency depends on at least the load, and is between an upper and a lower switching frequency limit wherein the upper switching frequency limit decreases with decreasing load. A switched mode converter controlled by such a method is also disclosed.
Power supply apparatus for supplying internal power from a minimum input voltage to a steady state of an output of a boost stage
Embodiments of the invention provide a power supply apparatus, including an AC/DC rectifying unit converting an AC voltage into a DC voltage, a power factor correction unit correcting a power factor of the DC voltage, and a DC/DC conversion unit converting the DC voltage having the corrected power factor into a DC voltage having a different magnitude therefrom. According to various embodiments, the power supply apparatus further includes an auxiliary winding connected to a primary side winding of a transformer of the DC/DC conversion unit and generating the DC voltage having a predetermined magnitude, and an internal power generation unit connected to an output terminal of the power factor correction unit and the auxiliary winding and using a voltage of the output terminal of the power factor correction unit and a voltage generated by the auxiliary winding to generate temporary Vcc power and supply the generated temporary Vcc power as internal power of the power factor correction unit.
Fast high-side power FET gate sense circuit for high voltage applications
A circuit for sensing gate voltage of a power FET. A switching circuit includes a switching FET having a high voltage rating, its drain coupled to the gate of the power FET, and its source coupled to an output node. A first feedback loop is coupled to the gate of the switching FET to facilitate sensing rising gate voltage. A second feedback loop is coupled to the gate of the switching FET to facilitate sensing falling gate voltage.
Pulse width modulation controller of DC-DC converter
A DC-DC converter including a Pulse Width Modulation (PWM) controller for converting an input voltage into an output voltage is provided. The PWM controller includes a first comparator, receiving a compensated error signal and a ramp signal, wherein when the compensated error signal exceeds the ramp signal, the first comparator generates a trigger signal. The PWM controller further includes a PWM generator coupled to the first comparator, providing a timing signal according to the trigger signal to control the operation of the DC-DC converter.
Constant on time control circuit and DC-DC converting circuit
A constant on time control circuit, configured to control a converting circuit to transform an input voltage into a stable output voltage, is disclosed. The constant on time control circuit comprises a comparing circuit and a logic circuit. The comparing circuit compares a reference signal and a voltage signal indicative of the output voltage and accordingly outputs a compared result signal. The logic circuit periodically controls the converting circuit to perform voltage transformation and makes a time period of a duty cycle in every cycle being substantially constant. A start point in time of every cycle is determined according to the compared result signal. The comparing circuit comprises a differential pair, a base current source and an extra current source. The base current source provides a bias current to the differential pair. The extra current source provides a substantial ramp current to one channel in the differential pair.
Valley-fill power factor correction circuit with active conduction angle control
A valley-fill circuit with active conduction angle control allows use of a single storage capacitor instead of two. The capacitor is charged to the maximum voltage of the AC cycle, which makes possible use of low-capacitance high-voltage low ESR capacitors, increases energy storage density and decreases circuit footprint. This makes it feasible to use ceramic capacitors, such as a multilayer ceramic (MLCC), polyethylene, polypropylene, or any suitable capacitor type in addition to electrolytic capacitors. This improves the operational longevity and reduces the footprint of the circuitry.
Power supply circuit and display device
A power supply circuit and a display device are provided. The power supply circuit includes: a load, a DC power supply; a DC booster circuit; a load feedback circuit configured to generate a converted voltage in accordance with the current passing through the load, integrate the converted voltage to generate an integrated voltage and generate a first triggering signal in accordance with the integrated voltage; and a control circuit configured to generate a second triggering signal in according with the boosted voltage, a DC power supply voltage and a reference voltage, generate a switching signal for controlling the operation of the DC booster circuit in accordance with the first triggering signal and the second triggering signal, and output the switching signal to the DC booster circuit.
Power factor-corrected resonant converter and parallel power factor-corrected resonant converter
A resonant converter with power factor correction includes a power-obtaining circuit, an energy-storage element and an energy-transferred circuit. The power-obtaining circuit is used for receiving an input line voltage. The energy-storage element is coupled between the power-obtaining circuit and the energy-transferred circuit. The energy-transferred circuit is used for generating an output power. In a first time period, based on a first control signal, the energy-storage element and the power-obtaining circuit operate a soft switching so that the energy-storage element is charged to obtain the input line power and generate an energy-storage voltage. In a second time period, based on a second control signal, the energy-storage element and the energy-transferred circuit operate a soft switching so that the energy-storage element is discharged to make the energy-storage voltage converted into the output power.
Short protection circuit for power switch and associated protection method
A short protection circuit for protecting a power switch. The short protection circuit has a transistor and compares a differential voltage between a first end of the power switch and a second end of the power switch to a threshold voltage of the transistor only when the power switch is in an ON state; and wherein when the differential voltage is higher than the threshold voltage, the short protection circuit turns off the power switch.
Method for commutating a current in an electronic power converter phase from a reverse-conducting IGBT in a diode mode to a reverse-conducting IGBT in an IGBT mode
The invention relates to a method for commutating from a reverse-conducting IGBT (T1) operated in the diode mode to a reverse-conducting IGBT (T2) operated in the IGBT mode. According to the invention the reverse-conducting IGBT (T1) operated in the diode mode is turned off only at the instant a current starts to flow in the reverse-conducting IGBT (T2) operated in the IGBT mode. Accordingly said commutation method is event-driven, as a result of which it is less sensitive to poorly toleranced operating times.
Squirrel-cage rotor and electric motor having squirrel-cage rotor
A squirrel-cage rotor includes a laminated core provided on an outer circumference of a rotational axis, and a plurality of slots formed in the laminated core in a circumferential direction, so as to be spaced apart from each other. The cross-section shape of each slot includes an inner circumferential edge and an outer circumferential edge extending in the circumferential direction so as to face each other, and a first side portion and a second side portion extending in a radial direction so as to face each other. The radius of curvature of the inner circumferential edge is larger than that of corners on an inner circumferential side of the slot. The radius of curvature of the outer circumferential edge is larger than that of corners on an outer circumferential side of the slot.
System and method for temperature estimation in an integrated motor drive
A system to monitor the temperature of power electronic devices in a motor drive includes a base plate defining a planar surface on which the electronic devices and/or circuit boards within the motor drive may be mounted. The power electronic devices are mounted to the base plate through the direct bond copper (DBC). A circuit board is mounted to the base plate which includes a temperature sensor mounted on the circuit board proximate to the power electronic devices. The temperature sensor generates a digital signal corresponding to the temperature measured by the sensor. A copper pad is included between each layer of the circuit board and between the first layer of the circuit board and the sensor. The circuit board also includes vias extending through each layer of the board. The copper pads and vias establish a thermally conductive path between the temperature sensor and the base plate.
Electric motor having first frame and second frame fastened together with through bolt
A rear frame has a fastening portion, which radially extends from an outer peripheral surface of the rear frame and receives a fastening force of a through bolt. A circuit board, which includes a control circuit, is installed to an axially outer surface of a main body of the rear frame. A reinforcing portion is provided in the fastening portion to limit deformation of the main body of the rear frame, which is induced by the fastening force of the through bolt.
Permanent magnet rotor
A permanent magnet rotor includes a shaft, a rotor core fixed to the shaft, a bracket fixed to the rotor core, and a plurality of permanent magnets contacting an outer surface of the rotor core. The bracket includes a base at one axial end thereof, a plurality of arms axially extending from the base and spaced in a circumferential direction, and an end ring connecting the arms at the other axial end thereof. The base has an opening for the insertion of the shaft. The rotor core is positioned between the arms. Each magnet is sandwiched between two adjacent arms. An inner diameter of the end ring is greater than an outer diameter of the rotor core.
Stator for an electrical machine
A stator includes a plurality of stator elements, each stator element comprising a c-shaped core having two poles. Each pole of each stator element is secured to a pole of an adjacent stator element by a bridge formed of a non-magnetic material molded onto the poles.
Determining electric grid endpoint phase connectivity
The service phase of the electrical connection to a customer endpoint device located within a power distribution system is determined by various techniques. At the feeder level, the system may be programmed to induce disturbances, thereby causing missed zero crossings at the customer endpoint devices. The pattern of these disturbances is a controlled one, designed specifically to avoid causing noticeable disruption even to sensitive devices, but to be unusual enough that it is statistically unlikely to be naturally occurring. The monitoring of the zero crossing information is used to determine the phase of the service line to the customer endpoint devices.
Power supply unit for signal luminaires
For signal luminaires which indicate the term STOP or DANGER upon activation, a circuit containing a first operating case feed unit and a second auxiliary source is provided for the purpose of supplying a reliable power supply. In this case, the second auxiliary source is inductively coupled to the signal luminaire electric circuit; while the signal luminaires are capacitively coupled to ground. The use of switches during operation in a fall-back level is obviated in this way.
Mitigating premature wear out of a rechargeable battery
A computer-implemented method and information handling system manage a rate of decreasing full capacity of a rechargeable battery by using a projected/target rate of decreasing charge capacity for the battery. The method includes determining an actual rate of decreasing charge capacity of the battery, comparing the actual rate of decreasing charge capacity to the projected/target rate of decreasing charge capacity to determine whether the actual rate of decreasing charge capacity is greater than the projected rate of decreasing charge capacity, and if the actual rate of decreasing charge capacity is greater than the projected/target rate of decreasing charge capacity, modifying one or more variable parameters to slow down the actual rate of decreasing charge capacity of the battery such that the actual rate of decreasing charge capacity remains within a range of the projected/target rate of decreasing charge capacity, and charging and discharging the battery using the modified parameters.
Wireless charging apparatus for cable-type secondary battery
Disclosed is a wireless charging apparatus for a cable-type secondary battery. The wireless charging apparatus for the cable-type secondary battery according to the present disclosure includes a socket having a space formed inside for mounting the cable-type secondary battery, a first terminal that is electrically connected to an outer current collector of the cable-type secondary battery mounted in the socket, a second terminal that is electrically connected to an inner current collector of the cable-type secondary battery mounted in the socket, and a secondary coil for wireless charging having one end connected with the first terminal and the other end connected with the second terminal, and wound along an outer circumferential surface of the socket. According to the present disclosure, even if a secondary coil for wireless power reception is absent from a cable-type secondary battery, charging may be performed by a method for wireless power transmission and reception.
Wireless charging system for multi-mode device
A wireless charging system provides charging to a multi-display device. A docking station in the system includes at least two transmission sources positioned so that a charger on the device is in range of at least one of the transmission sources when docked. In some embodiments, the docking station receives the device in a non-planar configuration and the charger receives charge on whichever side of the docking station it is docked on. In some embodiments, the system determines which side of the docking station is activated to provide charging. The multi-display device can be activated in a mode of operation associated with the side of the docking station determined to be providing charge.
Control device and control method for nonaqueous secondary battery
A control device that controls discharge of a nonaqueous secondary battery in order that discharge electric power of the nonaqueous secondary battery does not exceed an upper limit value includes a current sensor and a controller. The controller calculates an evaluation value for evaluating a first deterioration component based on a discharge state detected by using the current sensor. The first deterioration component is a component that reduces output performance of the nonaqueous secondary battery due to an imbalance of ion concentrations in an electrolytic solution caused by discharging the nonaqueous secondary battery. The controller integrates a value obtained by subtracting a correction coefficient from a first integrated value obtained by integrating the evaluation values in past, which exceed a target value, and the evaluation value at present, which exceeds the target value, to calculate a second integrated value. When the second integrated value exceeds a threshold value, the controller reduces the upper limit value.
Control apparatus and control method for lithium-ion secondary battery
A control apparatus controlling charge and discharge of a lithium-ion secondary battery includes a temperature sensor obtaining the temperature of the lithium-ion secondary battery and a controller. The controller controls the charge and discharge of the lithium-ion secondary battery to maintain the temperature obtained by the temperature sensor at a level lower than an upper limit temperature allowed in the lithium-ion secondary battery. The controller estimates the amount of precipitation of lithium in the lithium-ion secondary battery and reduces the upper limit temperature in accordance with an increase in the amount of precipitation.
Alternating current digital universal charger
An AC digital universal charger is provided, wherein a button spring and a pushing button are provided at a middle part of a pushing cover; a pressure baffle is provided at a front part of the pushing cover; an AA cathode spring, a pressure spring and an AA cathode hardware are provided on the pressure baffle; a positioning bolt is connected to a positioning block; the positioning block and the pressure clasp are mounted to a lower part of the pushing slip cover via an AA cathode connecting screw and an AA cathode connecting hardware; and the clasp bolt is further connected to a lower part of the pushing button by inserting. A battery is positioned and charged by energizing the charger, putting the battery at a battery zone, adjusting the charger buttons, pressing down the pushing button to further press the battery tightly and then releasing the pushing button.
Detecting and switching battery polarity in a battery charger
Disclosed herein, among other things, are apparatus and methods for detecting and switching battery polarity in a battery charger. In various embodiments, a method includes grounding a first terminal of a battery inserted in a charger and sensing a bipolar voltage from a second terminal of the battery. The bipolar voltage is converted to a reduced unipolar voltage for sensing by an input to a microcontroller. A low resistance analog switch connects the battery to a charging circuit. The switch state of the analog switch is controlled using an output of the microcontroller, to present the proper battery polarity to the charging circuit based on the unipolar voltage. The battery is charged using the charging circuit, in various embodiments.
Secondary service port for high voltage battery packs
A system and method for providing energy management and maintenance of a high energy battery pack that does not require installation of the battery pack into an operational EV. A secondary service port is provided to enable certain maintenance operations while by-passing battery pack interlocks and protection mechanisms used when the battery pack is installed into an operating environment.
Battery pack including a battery management system configured to control charging and discharging thereof
A battery pack including: a first terminal; a second terminal; a battery module coupled between the first terminal and the second terminal, the battery module having a state of charge; a sensor configured to measure a swelling of the battery module and to generate a swelling data value; and a battery management system configured to control a charging and a discharging of the battery module to reduce a swelling rate of the battery module or to correct the swelling of the battery module according to the swelling data value and the state of charge.
Dual battery charger mobile communication apparatus
A positioning locator mobile communication apparatus securely attached to a person or a subject to be monitored, wherein said apparatus utilizes two internal batteries to provide power to the mobile communication device electronic circuitry, and a detachable battery is used to charge the internal batteries. Wherein when the first internal battery is being charged by the detachable battery, the mobile communication device is operative by the second internal battery power. And when the second internal battery is being charged by the detachable battery, the mobile communication device becomes operative by the first internal battery power. The positioning locator mobile communication apparatus may utilize the first internal battery, to provide power to the mobile communication apparatus certain components electronic circuitry, and the apparatus may contain a second rechargeable or non-rechargeable internal battery designed to provide power to the mobile communication apparatus at least one other electronic circuitry.
Power saving system and method for a refrigeration system, providing for short term response to reduce ripples on a power grid
The present invention relates to a method and a system to reduce losses of energy due to ripples, especially at the power grid, the ripples being short term power shortages or excess power. The method is based on the idea of shutting off energy consuming devices during a period of power shortage, if their operation is not necessary, and optionally to turn on such energy consuming devices during periods of excess power, if energy may be stored in them, especially when energy may be stored as some physical parameter or variable, being a part of the operation of the energy consuming devices, such as the temperature of a freezer.
Power supply device
The present invention provides a power-supply device, which can continuously supply a voltage from a power supply to a load even if a breakdown of a circuit is generated. The power-supply device includes a booster circuit, a normally-closed bypass relay, a CPU, and a switching circuit. A first switch of the switching circuit is turned on by a switching signal from the CPU, and a second switch is turned on by a boosting request signal from a boosting request signal generator. In the case that one of or both the switching signal and the boosting request signal are not input to the switching circuit 14, because a coil of a bypass relay is not energized, a contact turns on, and a voltage is supplied from a DC power supply to the load through the contact. When both the switching signal and the boosting request signal are input to the switching circuit, the coil is energized to turn off the contact, and a voltage supply path to the load is switched from the side of the bypass relay to the side of the booster circuit.
Battery system and method for providing an intermediate voltage
The invention relates to a battery system (10), comprising a battery module (11), which comprises a first high-voltage connection (12a), a second high-voltage connection (12b) and a multiplicity of battery cell modules (11a, . . . , 11n) which are connected in series between the first and second high-voltage connections, and a switching matrix (13). The switching matrix comprises a large number of switching rails (14), which are each connected to one of the nodes between in each case two of the battery cell modules which are connected in series, a multiplicity of first switching devices (15a), which are designed to connect in each case one of the switching rails (14) to a first low-voltage connection (13a) of the switching matrix (13), and a multiplicity of second switching devices (15b), which are designed to connect in each case one of the switching rails (14) to a second low-voltage connection (13b) of the switching matrix. In this case, a first total voltage (HV) of all of the battery cell modules (11a, . . . , 11n) which are connected in series is present between the first high-voltage connection (12a) and the second high-voltage connection (12b), and a second total voltage (LV) of some of the battery cell modules (11a, . . . , 11n) which are connected in series is present between the first low-voltage connection (13a) and the second low-voltage connection (13b), depending on the switching state of the first switching devices (15a) and the second switching devices (15b).
Low-frequency circuit breaker
An object is to obtain a low-frequency circuit breaker which has a simple configuration and a small size as a whole and is advantageous in view of costs. There is provided a low-frequency circuit breaker, in which a semiconductor switch and a mechanical switch are connected in parallel with each other. The semiconductor switch is configured by connecting a thyristor and a thyristor in anti-parallel with each other. These members are controlled by the circuit breaker control circuit.
Thermal protection circuit
A thermal protection circuit has two electrical connection terminals for a device to be protected, and a temperature-dependent switch. The switch is provided with a temperature-dependent switching mechanism, two stationary contacts which are connected to the connection terminals, and a current transfer element, which is arranged on the switching mechanism. The current transfer element is moved by the switching mechanism and comprises two counter contacts, which are electrically connected to one another and in temperature-dependent bearing contact with the two stationary contacts. The thermal protection circuit is provided with a controllable semiconductor valve for AC voltage having two current terminals and a control input. Each of the two current terminals is connected to one of the connection terminals, and the control input is electrically connected to the counter contacts at the current transfer element via the switching mechanism at least when the temperature-dependent switch is closed.
Temperature-compensated current monitoring
Systems, methods and media for current monitoring are provided herein. An exemplary method may include: receiving a temperature of a power MOSFET, the temperature being sensed by a temperature sensor; determining a resistance of the power MOSFET using the received temperature; receiving a voltage across the power MOSFET, the voltage being measured by a differential amplifier; calculating a current provided to an electrical load by the power MOSFET using the determined resistance of the power MOSFET and the received voltage; comparing the calculated current to a predetermined threshold; and switching the power MOSFET to an off state in response to the calculated current exceeding the predetermined threshold.
Gas-insulated electrical equipment comprising at least one grading shield for ensuring convection exchange
A gas-insulated substation having an enclosure filled with dielectric gas under pressure, comprising one electrical conductor (1) designed to be live that is of longitudinal axis (X) and placed inside the enclosure (6), and two grading shields (10, 12) surrounding in part the conductor (1), at least one of the grading shields (10) comprising a hollow electrically conductive body (14) of longitudinal axis that is substantially coaxial with the axis of the casing (6), said body (14) comprising an annular depression (22) in its outer surface and orifices (26) passing through said body (14) made in a bottom of said annular depression. Said orifices (26) ensure that the dielectric gas flows between an inside zone and a zone that is outside the grading shield (10) by convection exchange.
Conduit apparatus usable with electrical enclosure apparatus
An improved conduit apparatus in accordance with the disclosed and claimed concept includes one or more conduits that each enclose therein an electrical conductor that carries a phase of a multi-phase electrical supply. The conduits are connected to the walls of the electrical enclosures with an attachment apparatus that extends between the conduits and the walls of the electrical enclosures. A clamp apparatus retains the electrical conductors in a state of tension within an interior region of the conduits in a position spaced from the walls of the conduits.
In one embodiment, an integral box comprises a base with walls, with plate(s) extending from a side wall(s). Opening(s) in the side wall(s) and/or the base allow wiring to pass into the box. This box is formed as a single, unitary component.
Clamp ring, cable screw connection and method for assembling a cable screw connection
A clamping ring for a cable gland has a first ring and a second ring, the first ring and the second ring being orientated coaxially relative to a common longitudinal axis. The first ring and the second ring are connected via a plurality of deformable ribs. The ribs are designed to deform in the direction of the longitudinal axis when the first ring and the second ring are brought into convergence one with the other.
Water stop structure for wire harness and wire harness
A water stop structure for a wire harness includes a cylindrical shield shell which is disposed at an intermediate portion of a shield member in a longitudinal direction, an outer water stop mechanism which is disposed on a side of an outer peripheral surface of the cylindrical shield shell, and an inner water stop mechanism which is disposed on a side of an inner peripheral surface of the cylindrical shield shell. The inner water stop mechanism has an elastic water stop plug member. A shell-side seal portion which is in watertight contact with the inner peripheral surface of the cylindrical shield shell and one or plural conducting path-side seal portions which are in watertight contact with outer peripheral surfaces of covers of the conducting paths are formed on the water stop plug member.
Power distribution system, and switchgear assembly, and mounting member therefor
A mounting member for a switchgear assembly is provided. The switchgear assembly includes a mounting element, an electrical switching apparatus having a number of terminals and being coupled to the mounting element, a metering module having a number of terminals and being spaced from the electrical switching apparatus, a number of electrical conductors electrically connecting the terminals of the metering module to the terminals of the electrical switching apparatus, and a support member adjacent the electrical switching apparatus. The mounting member includes a base portion structured to retain the metering module; a number of coupling portions structured to couple the mounting member to the support member; and a number of directing portions, each directing portion being structured to receive a corresponding one of the electrical conductors.
Device having a pivoting wall with a cable cradle
A new connector for attaching conductor wires to a metersocket is disclosed. The design of the connector allows the wires to be laid in along the side of the connector and requires little bending and slack in the wire. Once seated in place, the connector can be secured using a set screw that keeps the conductor wire in place.
Broadening the rare earth ion emission bandwidth, increasing emission cross section, and or shifting peak emission wavelength in nd doped aluminate or silicate glasses
The invention relates to a Nd-doped, aluminate-based or silicate-based, laser glass having a peak emission wavelength that is longer than 1059.7 nm, an emission cross section (σem) of ≧1.5×10−20 cm2, and/or an emission bandwidth (Δλeff) of ≧28 nm, while maintaining properties that render the glass suitable for commercial use, such as low glass transition temperature Tg and low nonlinear index, n2.
Impedance matching system for slab type lasers
A system transfers radio frequency energy from a radio frequency power amplifier (RFPA) to a slab laser. The system includes a connector, a printed circuit board, a conductive plate and a first inductor element. The connector is configured to receive a radio frequency power from the RFPA. The printed circuit board has at least one conductive pad etched on the printed circuit board. One of the conductive pads is electrically connected to the connector. The conductive plate is attached beneath the printed circuit board. The first inductor is electrically connected to the connector and electrically connected to a first electrode or top slab of the slab laser.
Directed-energy irradiating apparatus
A directed-energy irradiating apparatus includes a switch which selects one of an FEL apparatus and an HPM apparatus to be supplied with a microwave based on external environmental data. A target is destroyed even in a situation in which a destruction effect by an FEL beam cannot be expected, while maintaining a destruction ability for the target by the FEL beam.
Self-monitoring electrical contact insertion tool
An electrical contact insertion tool includes a handle, an insertion tip assembly extending from the handle, a surface probe assembly extending from the handle, and an indicator. The insertion tip assembly is configured to apply a force to an electrical contact to accomplish insertion of the electrical contact into an electrical connector. The surface probe assembly is configured to determine a displacement associated with the insertion tip assembly. The indicator is configured to present an indication of positive electrical contact insertion based at least in part on the force and the displacement associated with the insertion tip assembly.
System and method for an improved fine pitch joint
Presented herein are an interconnect and method for forming the same, the method comprising forming an interconnect on a mounting surface of a mounting pad disposed on a first surface of a first substrate, the interconnect comprising a conductive material, optionally solder or metal, the interconnect avoiding the sides of the mounting pad. A molding compound is applied to the first surface of the first substrate and molded around the interconnect to covering at least a lower portion of the interconnect and a second substrate may be mounted on the interconnect. The interconnect may comprise an interconnect material disposed between a first and second substrate and a molding compound disposed on a surface of the first substrate, and exposing a portion of the interconnect. A sidewall of the interconnect material contacts the mounting pad at an angle less than about 30 degrees from a plane perpendicular to the first substrate.
Electrical connector having shielding shell with rear wall
An electrical connector includes a base seat, a plurality of contacts fixed in the base seat and a shielding shell surrounding the base seat. The shielding shell defines a body portion retained in the base seat, a rear wall attached the rear face of the base seat, a pair of first soldering portions extending outside of the body portion and a pair of second soldering portions bending from the rear wall. The first soldering portion and the corresponding second soldering portion are adjacent to each other to form a same soldering position.
Male connector and electronic device with electrostatic discharge function
A male connector having an electrostatic discharge (ESD) function includes a metal portion, an insulating portion and a cable. The metal portion is inserted into a female connector. One end of the insulating portion is connected to the metal portion and another end of the insulating portion is connected to the cable. The cable includes a plurality of sub-cables and a grounded metal layer. The metal layer surrounds the sub-cables, and is in electrical contact with the metal portion. Static electricity on the metal portion is conducted to ground via the metal layer.
System for connecting a connector base onto an electronics unit and process for mounting this system
A connection system includes a base (20) that can be mounted through a wall (11) of an electronics unit (10), the base (20) being provided with electric pin contacts (24) that come out into the electronics unit and whose ends are connected electrically to a printed circuit (50) of the electronics unit. This base (20) is equipped with a holding plate (40), mounted around electric pin contacts (24) and around a back part (21) of the base and, provided with catch elements (42) that can be fitted into the printed circuit, so that the base is integral with the printed circuit.
Electrical connector having an end-seal with slit-like openings and nipples
A plug and receptacle electrical connector can be repeatedly connected and disconnected in harsh environments such as seawater. The plug unit has blade-like pins with insulated shafts and conductive tips. The plug unit engages the receptacle unit housing socket contacts within closed, nested, oil-filled chambers. The chambers are pressure balanced to the in-situ environment and to each other and employ positive means to remain sealed before, during, and after mating and demating.
Electrical connector with separable contacts
A contact sub-assembly is provided for an electrical connector. The contact sub-assembly includes a printed circuit and an array of mating contacts. Each mating contact includes a terminating end portion and a mating interface. The contact sub-assembly also includes an array of circuit contacts that is discrete from the array of mating contacts. Each circuit contact is engaged with and electrically connected to the printed circuit. Each circuit contact is separably engaged with and electrically connected to the terminating end portion of a corresponding one of the mating contacts such that the array of circuit contacts electrically connects the array of mating contacts to the printed circuit.
Press-fit type connector terminal
The press-fit type connector terminal includes a pin section having a U-shaped or quadrangular cross-section, and a contact section situated at a front end of the pin section, the contact section including a contact piece surrounding an imaginary center line parallel to a longitudinal axis of the pin section, and a slit formed at a part of the contact piece and extending substantially parallel to the imaginary center line, the connector terminal being comprised of a single bent metal plate having elasticity.
Methods and apparatus related to receptacles and releasable connectors
An apparatus can include a support portion of a connector and at least a portion of wire component coupled to a first side of the support portion. The apparatus can include a protrusion portion have a distal portion, a proximal portion, and an opening disposed between the distal portion and the proximal portion. The proximal portion can be coupled to a second side of the support portion, and the protrusion portion can have a width tapering from the proximal portion to the distal portion. A contact can be disposed in the protrusion portion and can have a surface exposed to an ambient environment through the opening.
Adapter apparatus with suspended conductive elastomer interconnect
An adapter apparatus for receiving a packaged device having a plurality of contact elements disposed on a surface thereof may include a conductive elastomer interconnect. The conductive elastomer interconnect may include a carrier having a plurality of openings defined therethrough from a first side to a second side thereof (e.g., the plurality of openings being arranged to align with the plurality of contact elements of the packaged device) and conductive elastomer suspended in each of the plurality of openings to contact a contact element of a plurality of contact elements of a packaged device when positioned adjacent the second side of the carrier. Further, the adapter apparatus may include one or more adapter wall members used with the conductive elastomer interconnect to define a socket cavity adapted to receive the packaged device.
Retention member for use with an electrical junction box
A retention member for use with a junction box. The retention member includes a beam, at least one resilient retention member and securing members. The securing members extend from the beam and are operable between an unsecured position in which the at least one resilient retention member of the beam is not placed in engagement with the at least one electrical component and a secured position in which the at least one resilient retention member of the beam is placed in engagement with and exerts a force on the at least one electrical component. Wherein when the securing member is in the secured position, the at least one resilient retention member of the beam maintains the at least one electrical component in electrical engagement with mating electrical components of the junction box.
Rechargeable battery socket and manufacturing method thereof
A rechargeable battery socket and the manufacturing method of making the same is disclosed. The rechargeable battery socket includes an insulating housing defining a number of terminal channels, a number of terminals received in the insulating housing, and a shell assembled to one side of the insulating housing. Each terminal includes a contacting portion received in corresponding terminal channel and a tail extending out of the insulating housing. Each terminal channel provides a pair of ribs on two opposite inside faces thereof. The contacting portion of the terminal cooperates with the rib to thereby secure the terminal in the insulating housing.
System for protecting a signal within an electronic device, relying on an insertion of a printed circuit in an insertion slot of a connector
A system is provided for protecting a signal within an electronic device. Such a system includes a connector and a printed circuit. The connector has a generally rectangular parallelepiped shape and includes: at its base, at least one solder termination corresponding to a contact region conveying the signal to be protected; and a slot for inserting a printed circuit. The printed circuit is housed in the insertion slot and shaped so that it covers the solder termination.
A lock-arm regulating part, which carries out regulation so that a latch lock claw for carrying out specified movement so as to be engaged with or detached from a signal transmission medium inserted in an insulating housing does not carry out non-constant movement different from the specified movement, is provided. The lock-arm regulating part is disposed to be opposed to the lock arm member in two directions including an insertion/removal direction of the signal transmission medium and an insertion/removal orthogonal direction. Since this configuration is employed, when non-constant external force such as pulling force in a direction different from the original insertion/removal direction is applied to the signal transmission medium, part of the lock arm member is configured to abut the lock-arm regulating part and prevent non-constant movement of the latch lock claw.
Method and apparatus for tuning antennas in a communication device
A system that incorporates teachings of the present disclosure may include, for example, a matching network for a communication device having first and second antennas, where the matching network includes a first variable component connectable and a detector. The first variable component can be connectable along a first path between the first antenna and a front end module of the communication device, where the first antenna is configured for transmit and receive operation. The detector can be connectable along a second path between the second antenna and the front end module of the communication device, where the detector obtains an RF voltage associated with the second path, where the second antenna is configured for a diversity receive operation, and where the first variable component is adjusted based on the detected RF voltage to tune the matching network. Additional embodiments are disclosed.
Mechanically reconfigurable antennas
In some embodiments, a mechanically reconfigurable antenna includes a patch antenna, one or more parasitic patches, and a radially foldable linkage associated with the patch antenna that can be actuated to move the parasitic patches radially inward and radially outward relative to the patch antenna to change an electromagnetic property of the antenna.
Antenna device and electronic device with the same
An electronic device includes a sheet shaped antenna which is particularly useful for near field communication. The antenna includes a loop type antenna radiator formed on a carrier, the radiator having spiraling loops along an outer region of the carrier. A first feed terminal is provided at one end of the antenna radiator and disposed inside the loops. A second feed terminal is provided at an opposite end of the antenna radiator and disposed outside the loops. The carrier has a cut-out in proximity to the first feed terminal, which enables the first feed terminal to be bent in the same direction as the second feed terminal without bending an outer segment of the antenna radiator adjacent to the cut-out. In this manner, the feed terminals may be defined on a single layer, allowing for a simplified assembly process.
Multi-band communication system with isolation and impedance matching provision
A communication system is provided, including an antenna coupled to multiple RF paths, one or more matching networks, multiple switches, a controller configured to control the one or more matching networks and the multiple switches, and a look-up table coupled to the controller, the look-up table including characterization data according to frequency bands and conditions. The multiple switches are controlled to engage the signal path corresponding to the frequency band selected. The one or more matching networks are controlled by the controller to provide optimum impedance for the frequency band selected and a condition detected during a time interval with reference to the look-up table. Additional switches may be included to improve isolation.
Directive, instantaneous wide bandwidth antenna
A directive, instantaneous wide bandwidth antenna is disclosed. The antenna can include a ground plane having a recess with a tapered region accessible by an electromagnetic field via a radiating aperture at a forward end of the recess. The antenna can also include an elongate dielectric feed disposed in the recess. The dielectric feed can have a tapered portion proximate the tapered region to guide the electromagnetic field into the recess through the radiating aperture and influence pattern directivity. The antenna can further include a conductive plating disposed at least partially about the dielectric feed in a wedge configuration to influence pattern beam width. The conductive plating can have a taper to facilitate propagation of the electromagnetic field over a range of frequencies. The conductive plating can be disposed toward a rearward end of the recess relative to the radiating aperture.
Structures for shielding and mounting components in electronic devices
An electronic device may be provided with a conductive housing. An antenna window structure may be formed in an opening in the housing. The antenna window structure may have an antenna support structure that is attached to the conductive housing and that supports antenna structures. An antenna window cap may be mounted in the opening and attached to the antenna support structure with liquid adhesive. Alignment structures may be provided in the antenna support structure. An antenna support plate with mating alignment structures may be used in attaching the antenna structures to the antenna support structures. Metal shielding structures may be used to provide electromagnetic shielding. A shielding wall may be formed from a sheet metal structure supported by a plastic support structure. A flexible metal shielding foil layer may be welded to the shielding wall using a sacrificial plate.
Antenna apparatus and methods
An apparatus comprising: a cover portion defining an exterior surface of the apparatus and including a conductive cover part; a first conductive loop connected to the conductive cover part; and a first coupling member, connectable to radio circuitry and configured to electromagnetically couple with at least one of the first conductive loop and the conductive cover part, wherein at least the conductive cover part and the first conductive loop have a first electrical length and are configured to operate in a first frequency band.
Coupler, electronic component, and manufacturing method for electronic component
A coupler includes an input terminal and an output terminal which are provided on a substrate, a main line provided on the substrate and having one end connected to the input terminal and the other end connected to the output terminal, and a sub line including a conductive film and a resistive film which are provided on the substrate and electromagnetically coupled to the main line at a part of the conductive film. The conductive film has wiring patterns. The resistive film includes a resistive film pattern having an end portion fitted into between the wiring pattern and substrate and an end portion fitted into between the wiring pattern and substrate. The end portions and each contact the conductive film at least at its upper surface and end surface.
A package substrate includes a core substrate, a first buildup layer and a second buildup layer. The first buildup layer includes an uppermost interlayer, an upper inner interlayer, an uppermost conductive layer including first pads and second pads, an upper first conductive layer, an upper second conductive layer, vias formed through the uppermost interlayer and connecting the upper first conductive layer and the second pads, and skip vias formed through the uppermost and upper inner interlayers and connecting the uppermost and upper second conductive layers. The second buildup layer includes a lowermost interlayer, a lower inner interlayer, a lowermost conductive layer including third pads, a lower first conductive layer, a lower second conductive layer, vias formed through the lowermost interlayer and connecting the lower first conductive layer and third pads, and skip vias formed through the lowermost and lower inner interlayers and connecting the lowermost and lower second conductive layers.
Waveguide circulator having stepped floor/ceiling and quarter-wave dielectric transformer
In an example, a circulator is disclosed. The circulator includes a waveguide housing having a plurality of hollow waveguide arms that communicate with a central cavity. The waveguide arms include, and the central cavity is defined by, a floor, a ceiling, and a plurality of sidewalls connected between the floor and the ceiling. At least one of the floor or the ceiling includes at least one step which defines a junction between a first region having a first height between the floor and the ceiling and one or more second regions having a second height between the floor and the ceiling. The first region is proximate the central cavity and the one or more second regions are proximate the waveguide arms. The first height is larger than the second height.
A switch module includes a multilayer substrate including an antenna terminal, a ground terminal, and a high-frequency-side transmission signal terminal, as external connection terminals. A common-port-side circuit, a switch circuit, and a switching-port-side circuit are provided between the antenna terminal and the high-frequency-side transmission signal terminal. A first wiring portion connects a second inductor that defines a portion of the switching-port-side circuit to the high-frequency-side transmission signal terminal. When the multilayer substrate is viewed in plan, a first inductor, the second inductor, and via electrodes connected to the ground terminal are arranged between the first wiring portion, and second and third wiring portions and a capacitor which are connected to the antenna terminal.
Metal tab and secondary battery using the same
A secondary battery and a manufacturing method thereof, the secondary battery including a bare cell having an electrode terminal connected thereto; a protection circuit board (PCB) substrate; and a metal tab to connect the PCB substrate to the electrode terminal, disposed in an accommodating groove of the PCP substrate. The metal tab includes wing portions laid across the accommodating groove, a terminal contact portion that comes in contact with the electrode terminal, and curved portions disposed between the terminal contact portion and the wing portions.
Secondary battery state of charge determination apparatus, and method of determining state of charge of secondary battery
A technology described herein is for accurately determining the SOC of a secondary battery. An open-circuit-voltage-to-state-of-charge (OCV-SOC) characteristic has a capacity decrease estimation OCV region in which a relationship between the OCV and the SOC is assumed not to change due to degradation of the secondary battery 1a since a reference time point. Charge currents or discharge currents in the capacity decrease estimation OCV region are accumulated in a process in which the secondary battery SOC changes among OCVs. From the accumulation, an accumulated current is obtained. A secondary battery capacity decrease is estimated based on the accumulated current. An OCV-SOC characteristic is specified based on the estimated secondary battery capacity decrease and a predetermined relationship between the battery capacity decrease of the secondary battery since the reference time point and the OCV-SOC characteristic. A secondary battery SOC is determined based on the OCV and the specified OCV-SOC characteristic.
Jelly-roll type electrode assembly pattern-coated with active material and secondary battery including the same
Provided is a jelly-roll type electrode assembly pattern-coated with active materials manufactured by winding and compressing a separator and an anode and a cathode arranged on both sides of the separator. The anode includes anode flat coated portion coated with an anode active material and anode curved uncoated portion not coated with the anode active material, which are alternately formed. The cathode includes a cathode flat coated portion coated with a cathode active material and a cathode curved uncoated portion not coated with the cathode active material, which are alternately formed.
Lithium secondary battery and method of manufacturing the same
[Problem] An object of the invention is to provide a lithium secondary battery that shows good cycle performance and at the same time prevents a battery thickness increase due to charge-discharge cycles, and a method of manufacturing such a battery.[Means for Solving the Problem] A lithium secondary battery includes a negative electrode (2) having a negative electrode current collector (11) and a negative electrode active material layer (12) disposed on the negative electrode current collector (11), a positive electrode (1) having a positive electrode active material, a separator (3), and a non-aqueous electrolyte. The negative electrode active material layer includes negative electrode active material particles and a negative electrode binder, and the negative electrode active material particles include silicon particles and/or silicon alloy particles. The silicon particles and the silicon alloy particles have a crystallite size of 100 nm or less.
Electrolyte solution for electrochemical devices
It is an object of the present invention to provide an electrochemical device having an electrolytic solution having high current density and high oxidation resistance, as well as high safety, where dissolution and deposition of magnesium progress repeatedly and stably.The present invention relates to the electrolytic solution for an electrochemical device comprising (1) the supporting electrolyte composed of a magnesium salt and (2) at least one or more kinds of the compound represented by the following general formula , as well as the electrochemical device comprising said electrolytic solution, a positive electrode, a negative electrode and a separator.
Cyclotriphosphazene compound, method of preparing the same, electrolyte for lithium secondary battery including the cyclotriphosphazene compound, and lithium secondary battery including the electrolyte
A cyclotriphosphazene compound comprising a fluorinated cyclotriphosphazene compound having at least one fluorine atom substituted with a group represented by Formula 1 below, a method of preparing the cyclotriphosphazene compound, an electrolyte including the cyclotriphosphazene compound, and a lithium secondary battery including the electrolyte are provided: *A-[B—CN]x [Formula 1] A being a heteroatom having an unshared electron pair; * representing a binding site for bonding the group represented by Formula 1 to a phosphorus (P) atom of the fluorinated cyclotriphosphazene compound; B being a substituted or unsubstituted C1-C5 alkylene group; and x being 1 or 2.
Electrolyte for lithium ion battery, and lithium ion battery including same
An electrolyte for a lithium ion battery includes a non-aqueous organic solvent and a lithium salt. The non-aqueous organic solvent includes a flame-retardant solvent and a carbonate-based solvent. The flame-retardant solvent includes an ionic liquid including a fluorinated cation and a phosphorus-based solvent.
Sulfide solid electrolyte material, battery, and producing method for sulfide solid electrolyte material
The object of the present invention is to provide a sulfide solid electrolyte material with favorable ion conductivity. The present invention attains the object by providing a sulfide solid electrolyte material including an M1 element (such as a Li element), an M2 element (such as a Ge element and a P element), a S element and an O element, and having a peak at a position of 2θ=29.58°±0.50° in an X-ray diffraction measurement using a CuKα ray, characterized in that when a diffraction intensity at the peak of 2θ=29.58°±0.50° is regarded as IA and a diffraction intensity at a peak of 2θ=27.33°±0.50° is regarded as IB, a value of IB/IA is less than 0.50.
Lithium ion batteries
A lithium ion battery having a plurality of cells connected in series, in parallel, or both internally within a sealed case. Each of the plurality of cells has a cathode in contact with a positive current collector and an anode in contact with a negative current collector. The battery also includes a single positive terminal in electrical contact with at least one positive current collector and a single negative terminal in electrical contact with at least one negative current collector. One or more cross-over connectors electrically connect adjacent positive and negative current collectors. Also provided is a lithium ion battery having externally connected cells, the battery also having a single negative terminal in electrical contact with at least one negative current collector and one or more cross-over connectors that electrically connect adjacent positive and negative current collectors of the cells.
Electrochemical method for the removal of PPM levels of carbon monoxide from hydrogen for a fuel cell
An electrochemical water gas shift system for removing low level carbon monoxide from hydrogen stream. The system including an electrolyzer having a porous anode for absorbing carbon monoxide from a hydrogen stream as a feed stream for a polymer electrolyte membrane fuel cell for generating an electrical energy, a small portion of electricity generated by the fuel cell is applied to the electrolyzer to convert carbon monoxide adsorbed in the porous anode to carbon dioxide and hydrogen via an electrochemical gas shift reaction without oxygen or air input. In an embodiment, the system includes a first electrolyzer operating as a CO adsorber and a second electrolyzer connected in parallel with the first electrolyzer operating as a CO remover. Two electrolyzers can be operated alternatively as CO adsorber and CO remover.
Integration of molten carbonate fuel cells in iron and steel processing
In various aspects, systems and methods are provided for operating molten carbonate fuel cells with processes for iron and/or steel production. The systems and methods can provide process improvements such as increased efficiency, reduction of carbon emissions per ton of product produced, or simplified capture of the carbon emissions as an integrated part of the system. The number of separate processes and the complexity of the overall production system can be reduced while providing flexibility in fuel feed stock and the various chemical, heat, and electrical outputs needed to power the processes.
Integrated environmentally protective barrier with light blocking and light transmitting features to optically communicate between two electronic devices operating in different environments
An integrated environmental barrier for protecting the receiver portion of a fuel cell stack health monitoring system. The stack health monitoring system includes a transmitting measurement module and an optical communication module having a receiver. Measurements indicating the health of the fuel cell stack are optically communicated between the transmitter and receiver through the environmentally protective barrier. The environmentally protective barrier is disposed between the measurement module and the optical communication module such that the environmental barrier isolates the optical communication module from the environment contained within the fuel cell stack. The environmental barrier comprises light blocking and light transmitting portions enabling system variation while ensuring signal integrity.
Negative electrode for nanaqueous electrolyte secondary battery, nonaqueous electrolyte secondary battery using the same, and method for manufacturing negative electrode for nonaqueous electrolyte secondary battery
There is provided a negative electrode for a nonaqueous electrolyte secondary battery in which when a battery is formed, the energy density is high, and moreover, the decrease in charge and discharge capacity is small even if charge and discharge are repeated. By using silicon oxide particles having a particle diameter in a particular range as a starting raw material, and heating these particles in the range of 850° C. to 1050° C., Si microcrystals are deposited on the surfaces of the particles. Then, by performing doping of Li, a structure comprising a plurality of protrusions having height and cross-sectional area in a particular range is formed on the surfaces. The average value of the height of the above protrusions is 2% to 19% of the average particle diameter of the above lithium-containing silicon oxide particles. By using the lithium-containing silicon oxide particles obtained by the above means as a negative electrode active material, a negative electrode for a nonaqueous electrolyte secondary battery is fabricated.
Lithium secondary battery of high power property with improved high power density
Disclosed is a high-output lithium secondary battery including: a cathode that includes, as cathode active materials, a first cathode active material represented by Formula 1 below and having a layered structure and a second cathode active material represented by Formula 2 below and having a spinel structure, wherein the amount of the second cathode active material is between 40 and 100 wt % based on the total weight of the cathode active materials; an anode including crystalline graphite and amorphous carbon as anode active materials, wherein the amount of the amorphous carbon is between 40 and 100 wt % based on the total weight of the anode active materials; and a separator.
Positive electrode material for lithium ion secondary battery, positive electrode for lithium ion secondary battery, and lithium ion secondary battery
A positive electrode material for a lithium ion secondary battery contains a first compound represented by Li3V2(PO4)3 and one or more second compounds selected from vanadium oxide and lithium vanadium phosphate.
Anode for use in a lithium-ion secondary battery, and lithium-ion secondary battery
A negative electrode for a lithium ion secondary battery including an active material layer that is disposed on a current collector and that contains a negative electrode active material and a binder, in which the negative electrode active material includes an alloy active material and a carbon active material, and the weight ratio between the alloy active material and the carbon active material in the active material layer is 20:80 to 50:50, and the binder contains 0.1 to 15 wt % of an ethylenically unsaturated carboxylic acid monomer polymerization unit.
Electrode for lithium-ion secondary battery and manufacturing process for the same
An electrode for a lithium-ion secondary battery includes a current collector and an electrode layer formed on a surface of the current collector, and including a binder resin, an active material and a conductive additive. The electrode layer includes a first electrode layer and a second electrode layer whose binder-resin concentration is higher than a binder-resin concentration in the first electrode layer. The first electrode layer is disposed on the surface of the current collector and the second electrode layer is disposed on the surface of the current collector at least so as to make contact with the surface of the current collector and at least a side face of the first electrode layer.
All solid state secondary battery
This is to provide an all solid state secondary battery which can be produced by an industrially employable method capable of mass-production and has excellent secondary battery characteristics. This is an all solid state secondary battery containing a laminated material in which a positive-electrode unit and a negative-electrode unit are laminated alternately through an ion conductive inorganic-material layer, the positive-electrode unit has positive active material layers on both surfaces of a positive-electrode collector layer, the above-mentioned negative-electrode unit has negative active material layers on both surfaces of a negative-electrode collector layer, (A) at least one of the positive-electrode collector layer and the negative-electrode collector layer comprises a metal of either of Ag, Pd, Au and Pt, or an alloy containing either of Ag, Pd, Au and Pt, or a mixture containing two or more kinds selected from the metals and alloys, (B) each layer is in a sintered state, or (C) at least the starting material for the ion conductive inorganic material of the ion conductive inorganic-material layer is a calcined powder.
A battery pack is disclosed. An embodiment of the battery pack includes a bare cell, wherein the bare cell comprises a terminal; a circuit module coupled with the bare cell, wherein the circuit module comprises a protective device; and a cover disposed over the circuit module and coupled with the bare cell; wherein the circuit module comprises a through-hole, the cover comprises a protrusion, the protrusion engages with the through-hole, and the through-hole enables welding of the protective device of the circuit module to the terminal of the bare cell through the through-hole.
Lead-acid battery design having versatile form factor
An electrochemical storage device comprises a plurality of layer electrodes each including a first charged sector and a second charged sector. The plurality of layer electrodes are assembled with respect to each other such that the first charged sector of a first plate of the plurality of layer electrodes is laid below the second charged sector of a second plate of the plurality of layer electrodes located immediately above the first plate. The charges of the first charged sectors of the first and second plates have a first sign and the charges of the second charged sectors of the first and second plates have a second sign that is opposite the first sign. The device also comprises a separator sector located, and enabling ionic charge exchange, between the first charged sector of the first plate and the second charged sector of the second plate.
Battery separator with gel impregnated nonwoven for lead acid battery
In one embodiment, battery separator for a lead acid battery includes a gel impregnated nonwoven. The nonwoven includes an acid dissolvable fiber and a non-acid dissolvable fiber. The gel may have a basis weight in a range of about 20-160% of the nonwoven's basis weight. In another embodiment, battery separator for a lead acid battery includes a microporous membrane with the gel impregnated nonwoven adhered thereto.