37th week of 2017 patent applcation highlights part 64 |
Patent application number | Title | Published |
20170264324 | FLEXIBLE MULTI-CHANNEL WIRELESS AUDIO RECEIVER SYSTEM - A flexible multi-channel diversity wireless audio receiver system for routing, processing, and combining multiple radio frequency (RF) signals containing audio signals received on respective antennas is provided. The wireless audio receiver system provides flexible routing of multiple RF signals in different selectable modes, and low latency uninterrupted reception of signals in harsh RF environments by combining multiple RF signals to maximize signal-to-noise ratio. The audio output may be generated in an uninterrupted fashion and mitigate multipath fading, interference, and asymmetrical noise issues. Received RF signals may also be cascaded by the wireless audio receiver system to allow daisy chaining. | 2017-09-14 |
20170264325 | OUTDOOR UNIT RESONATOR CORRECTION - A system comprises a microwave backhaul outdoor unit having a first resonant circuit, phase error determination circuitry, and phase error compensation circuitry. The first resonant circuit is operable to generate a first signal characterized by a first amount of phase noise and a first amount of temperature stability. The phase error determination circuitry is operable to generate a phase error signal indicative of phase error between the first signal and a second signal, wherein the second signal is characterized by a second amount of phase noise that is greater than the first amount of phase noise, and the second signal is characterized by a second amount of temperature instability that is less than the first amount of temperature instability. The phase error compensation circuitry is operable to adjust the phase of a data signal based on the phase error signal, the adjustment resulting in a phase compensated signal. | 2017-09-14 |
20170264326 | SPECTRUM SCRUBBER - A method of enhancing wireless communication performance includes receiving information indicative of a local interferer where the local interferer is identified based on dynamic position information indicative of a position of at least one mobile communication node, performing noise cancellation relative to a received signal by removing an interference signal associated with the local interferer to generate a scrubbed signal, and providing the scrubbed signal for additional signal processing. | 2017-09-14 |
20170264327 | Interference Signal Cancellation Over A Broad Frequency Range - A signal interference cancellation system includes a signal filter that receives an interference signal and is in communication with a receiver that also receives the interference signal. The signal filter includes (a) a modulation system that modulates the interference signal to generate a modulated signal, (b) a first frequency range within which the modulation system amplifies quadrature components of the modulated signal, (c) a second frequency range within which the modulation system amplifies non-quadrature components of the modulated signal, and (d) a signal adder that combines the amplified quadrature and non-quadrature components of the modulated signal from (b) and (c) to generate an interference cancellation signal. The signal filter communicates the interference cancellation signal to the receiver for cancelling the interference signal. | 2017-09-14 |
20170264328 | Radio Receiver With Local Oscillator Modulation - An antenna subsystem receives an analog desired signal, noise, and interference via a communication channel. The desired signal includes modulated encoded digital information. A local oscillator (LO) modulation subsystem generates a modulated LO. The LO modulation subsystem generates a modulated LO to maximize the symbol signal-to-noise ratio of the decoded digital information based on a plurality of: the desired signal, the interference and the noise expected in the communication channel, the characteristics of the converter, and the ability of the DSP to remove the Modulated LO from the converted signal. A mixer mixes the received signal and the modulated LO. A converter converts the mixed signal from analog to digital. A digital signal processor (DSP) removes the modulated LO and desired signal modulation, and decodes the desired signal encoded digital information. | 2017-09-14 |
20170264329 | Multi-Configuration Clamp System For Electronic Device - A support system which allows for the use and mounting of a smart phone, or similar electronic device, in a variety of ways. The support system may be adapted to function as a hand grip while supporting the smart phone during image acquisition, or while watching images on the smart phone. In another configuration, the support system may be adapted to attach to the user's belt. In another configuration, the support system may function as a support stand. In another configuration, the support system may be mounted on a tripod. The support system may include a kit of parts which allow for the modification of support accessories to allow for different configurations. The support system may include a removable shutter which may actuate the camera functions via wireless communication. | 2017-09-14 |
20170264330 | WIRELESS COMMUNICATIONS METHODS AND DEVICES - Wireless communications methods and devices that relate to the field of communications. A method comprises: receiving a first wireless signal of a target device in a direction of arrival; acquiring a historical path quality of a transmission path corresponding to the direction of arrival; and in response to that the historical path quality is lower than a first threshold, prohibiting sending a second wireless signal in a reverse direction of the direction of arrival. The method gradually disables transmission paths having lower historical path qualities, and reserves transmission paths having higher historical path qualities, thereby being conducive to reducing radiation to personnel and/or reducing power consumption. | 2017-09-14 |
20170264331 | PHONE COVER WITH ROTARY LATCH - A phone cover with rotary latch including a first frame, a second frame, a limiting piece, and limiting grooves is provided. The first frame and the second frame are separated structures. A limiting hole and a positioning post are configured at the frame connecting ends disposed at the two sides of the first frame respectively. A limiting post and a positioning post are configured at the frame connecting ends disposed at the two sides of the second frame. A positioning hole is disposed in middle of the limiting piece, limiting protrusions are disposed in two ends of the limiting piece. The limiting hole is disposed corresponding to the limiting post, and the limiting post is embedded in the limiting hole. Limiting grooves are disposed at one connecting end of the first frame and one connecting end of the second frame respectively, and each limiting groove is configured with the limiting protrusion. | 2017-09-14 |
20170264332 | ATTACHMENT FOR AN ELECTRONIC COMMUNICATIONS DEVICE - An attachment for an electronic communications device including a conducting element that is coated on one side with layers of material and securely affixed to a nonconducting substrate such that the overall dimensions and thickness of the attachment are sufficiently small that it may be attached to a surface of an electronic communications device whilst allowing the use of any protective casing preferred by the user. | 2017-09-14 |
20170264333 | SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE AND WIRELESS COMMUNICATION APPARATUS - According to one embodiment, a semiconductor integrated circuit device includes an oscillator, a frequency divider, and a control circuit. The oscillator is configured to oscillate at a variable oscillation frequency. The frequency divider is configured to oscillate at a variable free-running oscillation frequency, and has a frequency dividing range that transitions according to a variation in the free-running oscillation frequency. The control circuit is configured to control the oscillator to vary the oscillation frequency during a calibration operation that adjusts the oscillation frequency and is configured to control the frequency divider to cause the frequency dividing range to transition based on an amount of variation of the oscillation frequency. | 2017-09-14 |
20170264334 | SEMICONDUCTOR DEVICE AND OPERATING METHOD OF SEMICONDUCTOR DEVICE - Provided are a semiconductor device and an operating method thereof. The semiconductor device includes a mode controller configured to output a first control signal in a first communication mode, and output a second control signal in a second communication mode which is different from the first communication mode; and a configurable circuit configured to generate a first output signal to be transmitted to a first type analog-to-digital converter (ADC) in the first communication mode, and generate a second output signal using a second type ADC in the second communication mode, wherein the configurable circuit comprises a switching circuit configured to change a circuit configuration to a first circuit configuration for generating a first output signal in the first communication mode or to a second circuit configuration for generating a second output signal in the second communication mode, depending on the first control signal or the second control signal received from the mode controller. | 2017-09-14 |
20170264335 | METHOD AND APPARATUS FOR RADIO ANTENNA FREQUENCY TUNING - A system that incorporates teachings of the present disclosure may include, for example, a non-transitory computer-readable storage medium, which can include computer instructions to determine a subset of use cases from a group of use cases stored in a memory of a communication device, and to determine a target use case from among the subset of use cases based on an operational parameter associated with a transceiver of the communication device. Additional embodiments are disclosed. | 2017-09-14 |
20170264336 | FILTER CIRCUIT, FRONT END CIRCUIT, AND MODULE - A filter circuit includes: a variable filter that is connected between a common terminal and a node and configured to change a passband thereof; a receive switch connected between a receive terminal, from which a reception signal in a first band is output, and the node; and a transmit switch connected between a transmit terminal, to which a transmission signal in a second band different from the first band is input, and the node. | 2017-09-14 |
20170264337 | RADIO-FREQUENCY MODULE - A radio-frequency module includes a first transmitter-and-receiver that transmits and receives a signal in a first band, and a second transmitter-and-receiver that transmits and receives a signal in a second band higher than the first band. The first transmitter-and-receiver includes a first amplifier circuit and a first separator circuit and the second transmitter-and-receiver includes a second amplifier circuit and a second separator circuit. The first separator is located on a substrate between the first amplifier circuit and the second separator circuit, such that the first separator circuit is spatially interposed between the first amplifier circuit and the second separator circuit. | 2017-09-14 |
20170264338 | WIRELESS COMMUNICATIONS SYSTEMS USING MULTIPLE RADIOS - The present invention relates to a communication system and methods of use thereof. The system includes sets of complementary radios for transmitting and receiving signals to achieve high reliability and reduced costs. The sets of complementary radios are in wireless communication with each other. A new connection is made by selecting from amongst the complementary radios. Switching between complementary radios during a connection is also permitted. Optimized protocols and hardware for implementing the system are disclosed. | 2017-09-14 |
20170264339 | SYSTEM AND METHOD FOR MULTI-CHANNEL FREQUENCY HOPPING SPREAD SPECTRUM COMMUNICATION - One embodiment of the present invention sets forth a technique for transmitting data in a frequency hopping spread spectrum (FHSS) wireless communication system. A multi-channel receiver is configured to receive data from one or more channels simultaneously. The multi-channel receiver enables efficient implementation of a transmission protocol in which multiple candidate nodes within a wireless mesh network are polled for availability to receive a packet of data. The packet of data is transmitted to one or more available nodes based on prevailing link conditions, thereby increasing the likelihood of successful delivery. Data flooding may be selectively implemented to further increase the likelihood of successful delivery. | 2017-09-14 |
20170264340 | CONNECTOR, COMPONENT AND METHOD FOR CAPACITIVE COUPLING IN A COMMUNICATION SYSTEM AND CAPACITIVELY COUPLED COMMUNICATION SYSTEM - A connector for capacitive coupling of a first communicator and a second communicator of a communication system has a first, a second, a third and a fourth electrode, all of which are electrically conductive. The first and third electrodes are designed to be coupled to the first communicator. The second and fourth electrodes are designed to be coupled to the second communicator. The electrodes are designed to constitute capacitive couplings. Additionally, the first and the second electrode are designed to induce an attractive force between themselves by using a magnetic interaction. Analogously, the third and the fourth electrode are designed to induce an attractive force between themselves by using a magnetic interaction. | 2017-09-14 |
20170264341 | APPARATUS FOR HANDLING CHANGE IN ORIENTATION OF TERMINAL DURING WIRELESS POWER TRANSFER AND METHOD THEREOF - A wireless power transmitter for transmitting power by wireless to a terminal includes a power conversion unit and a power transmission control unit. The power conversion unit forms a wireless power signal for wireless power transfer using power supplied from a power supply unit. The power transmission control unit regulates a characteristic of the supplied power, based on orientation information of the terminal. A terminal includes a power receiving unit and a control unit. The power receiving unit receives a wireless power signal formed by a wireless power transmitter. The control unit detects whether or not an orientation of the terminal is changed while the wireless power signal is received, and transmits a control message for power regulation to the wireless power transmitter when the change in the orientation of the terminal is detected. | 2017-09-14 |
20170264342 | THIN CHASSIS NEAR FIELD COMMUNICATION (NFC) ANTENNA INTEGRATION - Described herein are techniques related one or more systems, apparatuses, methods, etc. for integrating a near field communications (NFC) coil antenna in a portable device. For example, the NFC antenna is integrated under a metal chassis of the portable device. The metal chassis and a conductive coating—that is integrated underneath the full metal chassis—are designed to include one or more slots to provide high impedance to Eddy current induced in the conductive coating. | 2017-09-14 |
20170264343 | Self-Canceling Magnetic Structures - A structure comprises a plurality of first turns of a coil and a plurality of second turns of the coil having a similar shape as the plurality of first turns of the coil, wherein the plurality of first turns of the coil and the plurality of second turns of the coil have a similar center position and a current flowing through the plurality of first turns of the coil and a current flowing through the plurality of second turns of the coil are in opposite directions. | 2017-09-14 |
20170264344 | Information Transmission Method, Radio Equipment Controller, Radio Equipment, and Base Station - Embodiments of the present invention provide an information transmission method, a radio equipment controller, a radio equipment, and a base station. The method includes determining, by an REC, that a main line used for communication with a first radio equipment RE is faulty and determining, by the REC, a standby line used for communication with the first RE. The method also includes communicating with the first RE by using the standby line. | 2017-09-14 |
20170264345 | System and Method for Two-way Relaying with Beamforming - A system and method for two-way relaying with beamforming are provided. A method for relay operations includes estimating communications channels between a relay and communications devices coupled to the relay, storing data contained in the transmissions, storing data contained in the transmissions, precoding a transmission including a subset of the stored data with a precoding matrix, and transmitting the precoded transmission. The estimating is based on transmissions made by the communications devices in the subset of communications devices, and the precoding matrix is based on estimates of the communications channels. | 2017-09-14 |
20170264346 | System and Method for Communicating in a Wireless Communications System with Precoding - A method for precoded communications includes precoding in a first stage, outgoing data streams with first precoding matrices generated in accordance with instantaneous channel feedback received from receiving devices, wherein a configuration of the instantaneous channel feedback is determined in accordance with statistical channel information and individual of the receiving devices, thereby producing first precoded data streams, precoding in a second stage, the first precoded data streams with second precoding matrices generated in accordance with the statistical channel information associated with the receiving devices, thereby producing second precoded data streams, and transmitting the second precoded data streams to the receiving devices. | 2017-09-14 |
20170264347 | SYSTEM AND METHOD FOR REDUCING SELF-INTERFERENCE IN A WIRELESS RESOURCE - A method for two stage communication is provided together with an apparatus for performing the method. The method receives channel state information (CSI) for a wireless resource. The CSI is processed to identify first and second time-varying characteristics of a wireless resource. First and second transmit matrices are configured based on the first and second time-varying characteristics, respectively. A signal for transmission by a plurality of transmit antenna elements is then generated by applying the first and second transmit matrices to symbols of a data stream for transmission. Optionally, first and second receive matrices are also generated for processing signals received from a plurality of receive antenna elements. In some cases, the method may mitigate self-interference between transmitted and received signals on the wireless resource. | 2017-09-14 |
20170264348 | PARAMETRIC GENERATING METHOD FOR ZCZ SEQUENCE SET - A parametric generating method for a zero correlation zone sequence set, includes: determining a ZCZ sequence set to be generated; determining a limited symbol set; determining an initial non-periodic orthogonal complementary sequence set; constructing a discrete Fourier transformation matrix by using elements in the limited symbol set; constructing a coefficient matrix based on the number of sequences and the number of iterations in the sequence set; using the columns of the coefficient matrix respectively as the coefficients of each sequence in the ZCZ sequence set, iteratively generating ZCZ sequence sets by using a method of zero filling the tails of weighting coefficients; and traversing the coefficient matrix, and selecting a ZCZ sequence set meeting the criteria or an optimal ZCZ sequence set according to requirements. | 2017-09-14 |
20170264349 | METHOD AND DEVICE FOR EFFICIENT PRECODER SEARCH - The disclosure relates to a method performed in a wireless device for establishing a feedback metric. The wireless device is configured with a grouping of available precoding matrix indicators, PMIs, of a codebook, the grouping comprising two or more groups each of which comprises an exclusive subset of the available precoding matrix indicators, PMIs. The method comprises: identifying for one or more rank indicator, RI, hypotheses a respective parent PMI providing the highest link quality metric, LQM; establishing for one or more of the identified parent PMIs, a respective set of child PMIs; determining a link quality metric, LQM for each child PMIs of the established one or more sets of child PMIs; and establishing the feedback metric to be the child PMI having the highest link quality metric, LQM. The disclosure also relates to a wireless device, method in a network node, network node, computer programs and computer program products. | 2017-09-14 |
20170264350 | TECHNIQUE FOR REDUCING RESPONDING SECTOR SWEEP TIME FOR MILLIMETER-WAVE DEVICES - Certain aspects of the present disclosure provide techniques that may help reduce sector sweep time. In some cases, the techniques involve generating frames for transmission during a sector sweep procedure, each frame including an address field being determined based on at least one of a transmitter address of the apparatus or a receiver address of an intended recipient of the generated frames and having fewer bits than at least one of the transmitter address or the receiver address. In some cases, the techniques involve using different frame formats for initiator and responder frames transmitted during the sector sweep procedure. | 2017-09-14 |
20170264351 | APPARATUS, SYSTEM AND METHOD OF COMMUNICATING ACCORDING TO A TRANSMIT SPACE-FREQUENCY DIVERSITY SCHEME - For example, a wireless station may be configured to modulate a plurality of data bit sequences into a plurality of data blocks according to a dual carrier modulation, to map the plurality of data blocks to a plurality of spatial streams according to a space-time diversity scheme, and to transmit a MIMO transmission based on the plurality of spatial streams. | 2017-09-14 |
20170264352 | LINK ACQUISITION IN WIRELESS COMMUNICATION SYSTEMS - A procedure to establish a link in a directional wireless system where two nodes cannot listen to each other unless optimized beamforming pair is used and timing and framing synchronization is acquired. The procedure determines a set of beamforming pairs that the nodes can use for communication in addition to acquiring the framing and timing synchronization. Training packets are periodically transmitted by a transmitter while a receiver listens in each of a number of receive directions. Training packets are sent N times in N directions while a receiver listens in each of M receive directions until all N×M possible transmit and receive direction pair possibilities are tried. The receiver informs the transmitter which transmit and receive direction pairs were successful in creating communication links between the nodes. | 2017-09-14 |
20170264353 | BEAM CONFIGURATION METHOD AND DEVICE - A beam configuration method and a device are provided and can resolve problems that a signal gain is a relatively low and utilization of an antenna array unit is low in a process of implementing omnidirectional coverage of a millimeter wave. A specific solution is as follows: determining whether an included angle between a ray that is perpendicular to a first plane and that extends outward from an electronic device and a ray pointing from the electronic device to a peer device is less than or equal to a preset angle, and when the included angle between the ray that is perpendicular to the first plane and that extends outward from the electronic device and the ray pointing from the electronic device to the peer device is less than or equal to the preset angle, performing end-fire state configuration on antenna array units in the first plane. | 2017-09-14 |
20170264354 | STATION (STA), ACCESS POINT (AP) AND METHOD FOR UPLINK SOUNDING - Embodiments of an access point (AP), station (STA) and method for uplink sounding are generally described herein. The AP may transmit an uplink (UL) sounding trigger frame (TF) that indicates a request to receive UL sounding elements from a group of one or more stations (STAs). The AP may receive UL sounding elements from the STAs in accordance with UL multi-user multiple-input multiple-output (MU-MIMO) reception. The AP may also receive, from at least a portion of the STAs, UL sounding feedback that includes one or more UL sounding transmission parameters used by the portion of the STAs for UL sounding element transmissions. The UL sounding TF may further indicate the portion of the STAs that are to transmit the UL sounding feedback. | 2017-09-14 |
20170264355 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING REFERENCE SIGNAL AND FOR SCHEDULING - The present application provide a reference signal transmitting method, including: notifying a User Equipment (UE) of a grid index and a reference signal port index of the UE, wherein a coverage area of a base station is divided into grids, the grid index of the UE is an index of a based on the grid index; and transmitting the reference signal on corresponding time-frequency resources based on the grid index and the reference signal port index. The present application further provides a corresponding reference signal transapparatus, and a scheduling method and appartus. According to the technical solution provided by the present application, it is possible to increase the number of ports that the system can support at the same time with low reference resource overhead, and to ensure that the interface of the reference signal is controllable and eliminable, thereby ensuring transmission realiability. | 2017-09-14 |
20170264356 | TECHNIQUES FOR DETECTING A CANDIDATE INFORMATION SIGNAL OF UNKNOWN SIGNAL STRENGTH USING RECEIVERS SET TO DIFFERENT FIXED GAIN STATES - A method for wireless communication includes monitoring a channel of a radio frequency spectrum band using at least a first receiver and a second receiver in parallel; determining, during the monitoring, at least a first received signal strength of a first receiver output of the first receiver, and a second received signal strength of a second receiver output of the second receiver; and selecting, based on the first received signal strength and the second received signal strength, one or both of the first receiver output or the second receiver output for use in decoding a candidate information signal of unknown signal strength. The first and second receivers are set to first and second fixed gain state providing the first and second receivers with first and second dynamic ranges. The second dynamic range partially overlaps the first dynamic range to provide the wireless device an extended dynamic range. | 2017-09-14 |
20170264357 | COMMUNICATION SYSTEM, COMMUNICATION METHOD, BASE STATION DEVICE, AND TERMINAL DEVICE - Provided is a communication system achieving favorable beamforming training even in an environment where multiple wireless communication networks adjacently exist. In this communication system, in an RXSS, an STA measures received signal qualities of respective first training frames received from an AP and ranks the received signal qualities. In a TXSS following the RXSS, the STA measures received signal qualities of respective third training frames received from the AP and ranks the received signal qualities. The STA transmits fourth training frames respectively including the measured received signal qualities of the third training frames based on the ranks of the received signal qualities of the first training frames. | 2017-09-14 |
20170264358 | DATA MANAGEMENT METHOD AND DATA MANAGEMENT SYSTEM - A management device is connected with a plurality of relay devices, and the relay devices store data collected by a device. The management device registers, when a connection notification is received from one of the relay devices, relay device identification information, which identifies the relay device, of the relay device serving as the request destination when the data is acquired, sends a data acquisition request to the specified relay device, and sends, to one of the relay devices, relay device identification information of the target relay device targeted for deletion. The plurality of the relay devices associates, when the identification information targeted for the deletion is received, inquiry destination information specifying the target relay device with the data, and performs, when the data acquisition request is received, response control of the data on the basis of the determination of whether the inquiry destination information is associated with the data. | 2017-09-14 |
20170264359 | WIRELESS DOCKING SYSTEM FOR AUDIO-VIDEO RELAY - In a wireless docking system a host ( | 2017-09-14 |
20170264360 | POWER EFFICIENCY IN BEAMFORMING RF SYSTEMS - A satellite communication system processes a plurality of input signals to generate beamformed signals, drives a plurality of nonlinear power amplifiers with the beamformed input signals to produce RF signals for transmission; and transmits the RF signals with a plurality of Tx antenna elements. Conversion to and from linear signals to and from nonlinear or digitized signals is performed. Temporal or spatial decorrelation of the beamformed signals is employed to reduce the impact of intermodulation products. In some cases the power amplifiers are nonlinear, and can be one-sided or two-sided and produce two or three distinct output levels. | 2017-09-14 |
20170264361 | Joint IP/Optical Layer Restoration After A Router Failure - A method and system for providing joint IP/Optical Layer restoration mechanisms for the IP over Optical Layer architecture, particularly for protecting against router failure within such architecture, includes any one of plural node elements participating in the detection and restoration of the joint IP/Optical Layer architecture upon the failure of a router in one of the nodes. The plural node elements may include, but are not limited to, one of plural routers and an optical cross-connect. | 2017-09-14 |
20170264362 | METHOD AND APPARATUS FOR CONDITION BASED MAINTENANCE OF FIBER NETWORKS ON VEHICLES - A system and method of condition based maintenance of a fiber network includes a processor and memory having instructions that when executed cause the system to transmit an optical signal over a plurality of fiber links in the fiber network; receive a response signal in response to the transmitting of the optical signal; and determine one or more condition indicators in response to the receiving of the response signal. | 2017-09-14 |
20170264363 | OPTICAL SIGNAL TO NOISE RATIO DETECTION CIRCUIT, APPARATUS AND METHOD - Disclosed are embodiments of an apparatus and method relating to an optical signal to noise ratio detection circuit, adopting an optical switch, a tunable optical filter, a photoelectric conversion module, a pilot-tone modulation signal conditioning module and a control module. After the photoelectric conversion module converts a to-be-detected optical signal to a voltage signal, the pilot-tone modulation signal conditioning module respectively amplifies an AC signal and a DC signal in the voltage signal, correspondingly converts the AC signal and the DC signal to two-way digital signals, determines a modulation depth of the pilot-tone modulation signal and a modulation depth of an ASE noise according to the two-way digital signals, and calculates an optical signal to noise ratio of the optical signal. | 2017-09-14 |
20170264364 | SIGNAL DECODING METHOD, SIGNAL DECODING DEVICE, AND NON-TRANSITORY COMPUTER-READABLE RECORDING MEDIUM STORING PROGRAM - A signal decoding method which enables communication between various devices is disclosed according to one aspect. The signal decoding method includes: a step SF | 2017-09-14 |
20170264365 | FREE SPACE OPTICAL RECEIVER AND FREE SPACE OPTICAL RECEIVING METHOD - It is difficult in a free space optical receiver to satisfy both of the stable receiving and the highly sensitive receiving; therefore, a free space optical receiver according to an exemplary aspect of the present invention includes a light collecting means for collecting laser light having propagated through a free space transmission path; a multimode light generating means for receiving input of the laser light collected by the light collecting means, exciting multimode light, and outputting multimode propagation light including a plurality of propagation mode light beams with a number smaller than a number of multimode light beams possible to be excited; and a mode separating means for separating the multimode propagation light into the plurality of propagation mode light beams and outputting the plurality of propagation mode light beams. | 2017-09-14 |
20170264366 | OPTICAL UP/DOWN CONVERSION-TYPE OPTICAL PHASE CONJUGATE PAIR SIGNAL TRANSMISSION/RECEPTION CIRCUIT - To provide a method capable of easily compensating waveform distortion due to a non-linear effect caused by a complicated electric circuit, and a device for implementing the method. Provided are a method capable of effectively compensating signal degradation such as waveform distortion due to a nonlinear effect caused by an optical fiber that is an optical transfer path using an optical phase conjugate signal pair at the time of optical up-conversion or down-conversion, and a device capable of implementing the method. This emission device | 2017-09-14 |
20170264367 | METHOD FOR SELECTING MODES FOR TRANSMISSION OVER MULTIMODE OR MULTICORE OPTICAL FIBRES - The invention relates to a mode selection method for a system for MIMO transmission on an optical fiber of multimode type. It comprises a step of measuring the transfer matrix of the transmission channel made up of a set of modes of the optical fiber ( | 2017-09-14 |
20170264368 | Method and Transmitter Device for Creating an Optical Transmit Signal - A method for creating an optical transmit signal includes creating an electrical discrete multi-tone signal according to digital input data carrying the information to be transmitted, the discrete multi-tone signal having a plurality of electrical partial signals, each electrical partial signal defining a sub-channel. Each electrical partial signal includes a sub-carrier at a predetermined sub-carrier frequency which is modulated according to a dedicated modulation scheme, so that a dedicated portion of the digital input data is included in each sub-channel. The method includes creating an optical signal by using the electrical discrete multi-tone signal as modulating signal for amplitude-modulating the intensity of an optical carrier signal. The method further includes bandpass-filtering the optical signal in order to create an optical single sideband or vestigial sideband transmit signal. An optical transmitter device for creating such an optical transmit signal and to an optical transmitter and receiver device includes a respective optical transmitter device. | 2017-09-14 |
20170264369 | METHOD AND DEVICE FOR SENDING AND RECEIVING AN OPTICAL SIGNAL - The embodiments of the present application disclose a method and device for sending and receiving an optical signal. The method for sending an optical signal comprises: performing serial-to-parallel conversion on a data signal to be transmitted to obtain an I path data sequence, a Q path data sequence and a PPM path data sequence which are in parallel; performing mPQ-encoding on the I path data sequence, the Q path data sequence and the PPM path data sequence to obtain an I path and a Q path of an mPQ-encoded digital signal; shaping the I path and the Q path of the mPQ-encoded digital signal by Nyquist-filtering to obtain an I path and Q path of a filtered digital signal; performing digital-to-analog conversion on the I path and the Q path of the filtered digital signal and mapping the converted I path and Q path onto an optical carrier to obtain a target optical signal and send the same. By applying the embodiments of the present application, spectral efficiency loss in optical communication can be reduced or even eliminated while power efficiency is increased. | 2017-09-14 |
20170264370 | OPTICAL SIGNAL-PROCESSING APPARATUS, RECEIVING APPARATUS, AND OPTICAL NETWORK SYSTEM - An optical modulator combines and inputs a signal light propagating through the optical network and a control light having information concerning the optical network to a nonlinear optical medium. The optical modulator modulates the signal light according to changes in intensity of the control light, in the nonlinear optical medium. | 2017-09-14 |
20170264371 | TRANSMISSION APPARATUS AND WAVELENGTH SETTING METHOD - There is provided a transmission apparatus including: generators to generate optical signals having wavelengths included in a predetermined band, the wavelengths being variable; a transmitter to multiplex the optical signals and transmit the optical signals to another transmission apparatus; a memory; and a processor coupled to the memory and the processor to: monitor reception quality of an optical signal for monitoring received by the another transmission apparatus while changing a wavelength of the optical signal for monitoring which is generated by the generators, determine a first wavelength of a first optical signal having a longest wavelength and a second wavelength of a second optical signal having a shortest wavelength, based on the reception quality monitored, determine a wavelength of an optical signal except for the first and second optical signals, based on the first second wavelengths, and control the wavelength generated by the generators, based on the wavelength determined. | 2017-09-14 |
20170264372 | COHERENT OPTICAL RECEIVER, DEVICE AND METHOD FOR DETECTING INTER-LANE SKEW IN COHERENT OPTICAL RECEIVER - The disclosed coherent optical receiver includes a local light source; a 90-degree hybrid circuit; an optoelectronic converter; an analog-to-digital converter; a skew addition unit; and a FFT operation unit. The 90-degree hybrid circuit makes multiplexed signal light interfere with local light from the local light source, and outputs multiple optical signals separated into a plurality of signal components. The optoelectronic converter detects the optical signal and outputs a detected electrical signal. The analog-to-digital converter digitizes the detected electrical signal and outputs a detected digital signal. The skew addition unit adds to the detected digital signal an additional skew amount whose absolute value is equal to, whose sign is opposite to a skew amount of a difference in propagation delay in each lane connected to each output channel of the 90-degree hybrid circuit. The FFT operation unit performs a fast Fourier transform on the output from the skew addition unit. | 2017-09-14 |
20170264373 | OPTICAL ISING-MODEL SOLVER USING QUANTUM ANNEALING - A method implemented by an optical circuit, including beam splitter, phase shifters and cross-phase modulators, for solving Ising-model using quantum annealing discretizes a continuous time-dependent Hamiltonian function over a time period T, into a plurality of smaller portions; implements each of said smaller portions with a non-linear optical medium, and iterates over said smaller portions to output a solution of the Ising Hamiltonian problem, using the optical components. | 2017-09-14 |
20170264374 | RECEIVER FOR HUMAN BODY COMMUNICATION AND METHOD FOR REMOVING NOISE THEREOF - Provided is a receiver for human body communication, the receiver including a comparator, a clock and data recovery circuit, and resistors or passive elements having a resistance property in power supply and ground connection units of other digital operation components and a power supply and ground connection unit of a printed circuit board (PCB) to remove or suppress a digital noise reflowed into a human body in the receiver and to raise reception performance by amplifying, with a high gain, a very small transmission signal transmitted through the human body causing a very high loss. | 2017-09-14 |
20170264375 | INTEGRATED CIRCUITRY SYSTEMS - There is disclosed herein a circuitry system comprising first and second IC chips, configured or configurable such that; the first IC chip has an output terminal connected to receive an output signal from an output-signal unit of the first IC chip, the output-signal unit being connected between high and low voltage-reference sources of the first IC chip, the high and low voltage-reference sources being connected to respective high and low voltage-reference terminals of the first IC chip; and the second IC chip has an input terminal connected in a potential-divider arrangement between high and low voltage-reference terminals of the second IC chip, wherein: the high and low voltage-reference terminals of the first IC chip are respectively connected to the high and low voltage-reference terminals of the second IC chip; and the output terminal of the first IC chip is connected to the input terminal of the second IC chip. | 2017-09-14 |
20170264376 | TRANSCEIVER FOR COMMUNICATION AND METHOD FOR CONTROLLING COMMUNICATION - An example embodiment provides a transceiver for communication includes a timing determiner that detects a fall from high level to low level of a bus signal generated by pulse width modulation of a clock signal and input from a communication bus; a transmission data signal delay adjuster that determines a second timing having a predetermined time difference from a first timing, the bus signal rising from the low level to the high level at the first timing; an encoder that extends a low level of the bus signal by changing a data signal to be output to the communication bus from high level to low level; and a timing adjustment circuit that changes the data signal to the low level at the second timing. | 2017-09-14 |
20170264377 | METHOD, APPARATUS, DEVICE, AND SYSTEM FOR ANTENNA ALIGNMENT - The present disclosure discloses a method, an apparatus, a device, and a system for antenna alignment. The method includes: performing, according to a target preset condition, adjustment processing on a phase and an amplitude of a signal that is transmitted by each antenna unit of a first antenna, and the second antenna is located within a coverage scope of the target beam; and determining that a difference between a horizontal angle of the target beam and a mechanical horizontal angle of a current mechanical location of the first antenna is a horizontal angle, that needs to be adjusted, of the first antenna, adjusting the mechanical horizontal angle and the mechanical pitch angle of the first antenna according to the horizontal angle that needs to be adjusted and the pitch angle that needs to be adjusted. | 2017-09-14 |
20170264378 | VULNERABILITY DETECTION - In some examples, a system receives a response from a web server, the response being responsive to a web request sent to the web server. The system executes a script in the response with a web browser, links a document object model (DOM) method to application code executed during the executing of the script, and determines a vulnerability based on the DOM method linked during the executing of the script. | 2017-09-14 |
20170264379 | MULTIPHASE PREAMBLE DATA SEQUENCES FOR RECEIVER CALIBRATION AND MODE DATA SIGNALING - Methods and apparatus are described that facilitate transmission of data, particularly between two devices within an electronic apparatus. In particular, a preamble for transmission in a sequence of symbols over a multi-wire communications interface, such as a MIPI C-PHY interface, is constructed to include one or more symbols each having a single state transition symbols for signaling a particular calibration preamble from a transmitter to a receiver over the multi-wire communications interface. The preamble, having only single state transition symbols, improves reliability of decoding the symbols at a receiver, including reception and decoding without the use of a calibration clock. | 2017-09-14 |
20170264380 | PEAK DETECTION IN DATA STREAM - Embodiments of the present invention include methods and systems for detecting a peak of an ultra-wide-band (UWB) signal in a data stream. The system ( | 2017-09-14 |
20170264381 | SYSTEMS AND METHODS FOR MEASURING TERRESTRIAL SPECTRUM FROM SPACE - Energy, data and information is obtained about the state of the electromagnetic spectrum and the nature of terrestrial transmissions through the use of a remote spectrum sensing system. The disclosure comprises at least one satellite in orbit around Earth capable of sensing frequencies in use by terrestrial transmitters such as those used for radiocommunication or radiodetermination services. In addition, various processing functions are applied to the collected energy, data and information before and/or after they are relayed to at least one ground station in order to reveal a greater understanding of the state of the spectrum and nature of transmissions. The disclosure relates to the described system in multiple embodiments and the method for obtaining energy, data and information about terrestrially used spectrum with such a system. | 2017-09-14 |
20170264382 | CONFIGURATION AND MEASUREMENT METHOD FOR PERFORMING A FULL-DUPLEX COMMUNICATION AND BASE STATION USING THE SAME - A configuration and measurement method for performing a full-duplex communication and a base station (BS) using the same is disclosed. In an embodiment, a base station selects a transmitting user equipment (UE) among one or more transmitting UEs and a receiving UE among one or more receiving UEs to form a transmit-receive (TX-RX) UE pair of one or more TX-RX UE pairs for performing the full-duplex communication, based on a first channel strength between the BS and the transmitting UE, a second channel strength between the BS and the receiving UE, and a third channel strength between the transmitting UE and the receiving UE. And the BS transmits an informing message of the one or more TX-RX UE pairs for triggering the channel measurement and the information fed back. | 2017-09-14 |
20170264383 | DETECTION OF ANOMALY RELATED TO INFORMATION ABOUT LOCATION OF MOBILE COMPUTING DEVICE - In a method for detection of an anomaly related to information about a location of a mobile computing device, the anomaly related to the information about the location of the mobile computing device can be detected by a processor of the mobile computing device. A communication about the anomaly can be provided via a user interface of the mobile computing device. The anomaly can be caused by a bug in an operating system of the mobile computing device. Notifications about the anomaly can be provided to a user of the mobile computing device or other mobile computing devices registered to a shared account. | 2017-09-14 |
20170264384 | AUDIO SYSTEM - A digital tuner in a broadcasting receiving unit outputs audio data at a sample rate of Fs+dr (Hz), and an ASRC rate-converts audio data to audio data at a sample rate of Fs+ds (Hz) and transmits the resulting audio data to an audio processing unit. A DAC in the audio processing unit analog-converts the received audio data at an output rate of Fs+da (Hz) and outputs the resulting audio data to a speaker. The sample rate Fs+ds and the output rate Fs +da are synchronized with a SYNC transmitted from the broadcasting receiving unit to the audio processing unit on a 125 ms cycle. For the sample rate Fs+ds and the output rate Fs+da, a relationship of (da−ds)×0.125<1 is assured. | 2017-09-14 |
20170264385 | MAGNETIC LINEAR FADER - A linear fader includes a slider that is configured to slide along a rail. The slider includes a magnet. The linear fader also includes a plurality of coils spaced along a length of the rail, one or more sensors configured to detect a position of the slider along the rail, and control circuitry operatively coupled to the plurality of coils and the one or more sensors. The control circuitry is configured to receive a signal corresponding to a first location of the slider from at least one of the one or more sensors, receive a desired location of the slider, and cause a first electrical current to pass through the plurality of coils, thereby generating a force on the slider in a direction toward the desired location. | 2017-09-14 |
20170264386 | TELECOMMUNICATION SYSTEM USING MULTIPLE NYQUIST ZONE OPERATIONS - Telecommunication systems using multiple Nyquist zone operations are provided. In one aspect, a telecommunication system can include a first section and a second section. The first section can receive signals from at least one transmitting base station or transmitting terminal device. The received signals have frequencies in multiple frequency bands. The first section can also sample the received signals such that the received signals are aliased. The first section can also combine the aliased signals from the frequency bands into a combined frequency band in a common Nyquist zone. The second section can extract signals from the combined frequency band. The extracted signals are to be transmitted at frequencies in a frequency band from a Nyquist zone that is different than the common Nyquist zone. The second section can also transmit the extracted signals to at least one receiving base station or receiving terminal device. Other embodiments are disclosed. | 2017-09-14 |
20170264387 | ETHERNET PASSIVE OPTICAL NETWORK SORTING FRAME SEQUENCE - An optical line terminal (OLT) of an Ethernet passive optical network (EPON) and an optical network unit (ONU) of the EPON. The OLT includes a frame allocator configured to allocate a plurality of frames to each of a plurality of wavelengths, and a frame outputter configured to output the frames through the wavelengths, in which each of the frames includes a frame sequence number corresponding to a sequence order of each frame. The ONU includes a frame receiver configured to receive a plurality of frames each including a frame sequence number and a frame arranger configured to arrange the frames in order based on the frame sequence number. | 2017-09-14 |
20170264388 | NETWORK MANAGEMENT METHOD, NETWORK MANAGING DEVICE, AND RECORDING MEDIUM - A network management method executed by a processor included in a network managing device configured to manage a network in which a plurality of wavelength-multiplexed optical signals is transmitted, the method includes determining an active path and an auxiliary path for each of the plurality of optical signals; allocating, for each of links coupling adjacent nodes included in the network to each other, frequency bands to be used for the optical signals to the active paths for the optical signals so that frequency bands for the maximum rates of transmitting the optical signals do not overlap each other; and allocating, for each of the links, unallocated frequency bands within the frequency bands for the maximum transmission rates to the auxiliary paths for the optical signals. | 2017-09-14 |
20170264389 | SPECTRAL INVERSION DETECTION FOR POLARIZATION-DIVISION MULTIPLEXED OPTICAL TRANSMISSION - Disclosed herein is a modulator ( | 2017-09-14 |
20170264390 | RESOURCE CONFIGURATION METHOD, USER EQUIPMENT, AND BASE STATION - According to a resource configuration method, user equipment, and a base station that are provided in embodiments of the present invention and relate to the communications field, reference signals used for measurement and overheads of corresponding measurement and feedback are reduced. A specific solution is as follows: A base station sends M reference signals to UE in N time units in a time unit set, where the reference signal is used by the UE to perform channel quality measurement, and each reference signal in the M reference signals is corresponding to one piece of precoding matrix information; receives channel quality indication information sent by the UE. | 2017-09-14 |
20170264391 | SYSTEM AND METHOD FOR MULTIPLE INPUT MULTIPLE OUTPUT (MIMO) DETECTION WITH SOFT SLICER - A system, method and device for wireless communication is provided. The method includes receiving, by a receiver, data from a transmitter, storing the data in the receiver, and determining, by the receiver, a probability of a bit stored in the data and a probability of a symbol based on the probability of the bit, wherein determining the probability of the bit includes moving a decision boundary associated with a constellation diagram. | 2017-09-14 |
20170264392 | METHODS AND SYSTEMS FOR DECODING A DATA SIGNAL BASED ON THE GENERATION OF A DECODING TREE - Methods, systems, and computer program products for decoding a received data signal in a communication system by iteratively constructing a decoding tree, each node of said decoding tree corresponding to a component of a symbol of said data signal, and being associated with a metric, the construction of the decoding tree implementing at least one iteration of the following steps, for a current node of the tree stored in the top of a stack:
| 2017-09-14 |
20170264393 | DECODING METHOD AND APPARATUS IN SYSTEM USING SEQUENTIALLY CONNECTED BINARY CODES - The present disclosure relates to a 5G or pre-5G communication system to be provided to support a data transmission rate higher than that of a 4-G communication system, such as LTE, and subsequent communication systems. An apparatus according to one embodiment of the present invention can comprise: a first grouping unit for performing repeated decoding by using an outer decoder and an inner decoder, and grouping, in correspondence to a decoding order, a bit stream, which is received from the outer decoder, from a receiver of a system using binary irregular repeat partial accumulate codes to the inner decoder device; an LLR symbol selection unit for calculating indices of grouped bits having the maximum probability value among the grouped bits, and selecting and outputting a predetermined number of grouped bit LLR values by using the indices of the grouped bits having the maximum probability value; an LLR symbol conversion unit for converting the grouped bit LLR values outputted from the LLR symbol selection unit into symbol LLR values, and outputting the same; a Bahl-Cocke-Jelinek-Raviv (BCJR) processing unit for performing a BCJR algorithm operation on the symbol LLR values; a bit LLR calculation unit for converting an output of the BCJR processing unit into bit LLR values; and a second bit grouping unit for grouping the bit LLR values by predetermined bit units. | 2017-09-14 |
20170264394 | Polar Code Rate Matching Method and Apparatus, and Wireless Communications Device - The present disclosure discloses a polar code rate matching method and apparatus and a wireless communications device that includes performing sorting processing on the first sequence Z according to a preset rule to determine a second sequence, wherein the first sequence Z is determined based on a Mersenne twister algorithm according to a code length of a target polar code, and interleaving the target polar code according to a mapping function to generate interleaved output bits, wherein the mapping function is determined according to the first sequence Z and the second sequence. A Mersenne twister algorithm is applied to target polar code rate matching such that a bit sequence obtained from the rate matching can be more even in structure, a frame error rate of a punctured polar code can be reduced, hybrid automatic repeat request (HARQ) performance can be improved, and further, communication reliability can be improved. | 2017-09-14 |
20170264395 | COMMUNICATIONS DEVICE AND METHODS - A communications device and method of communicating using a communications device is disclosed for performing device-to-device communications. The communications device is configured to divide data for transmission into a plurality of data units, to encode a first of the data units, at the communications device for transmission to a destination communications device in accordance with a hybrid automatic repeat request, HARQ, protocol. The encoding provides redundant data, which can improve an integrity of correctly recovering the first data unit when received by the destination communications device and provide an indication of whether the first data unit has been received correctly. The communications device transmits the encoded data unit to the destination communications device, and either receives, from the destination communications device, an acknowledgement message, ACK, indicating that the data unit has been received correctly by the destination communications device, or if, after a predetermined time has elapsed, an ACK message is not received by the communications device, then retransmits at least part of the encoded data unit to the destination communications device in accordance with the HARQ process, the communications device assuming that the destination communications device determined that the data unit was not received correctly in accordance with a decoding process performed by the destination communications device. Alternatively the communications device receives, from the destination communications device, a negative acknowledgement message, NACK, providing an indication that the destination communications device determined that the data unit was not received correctly in accordance with a process of decoding the received encoded data unit performed by the destination communications device, or if, after a predetermined time has elapsed, an ACK message is not received then the communications devices encodes a next one of the data units, and transmitting the next encoded data unit to the destination communications device in accordance with the HARQ protocol. | 2017-09-14 |
20170264396 | METHOD AND ARRANGEMENT FOR RETRANSMISSION USING HARQ - The present invention relates to a method and device for enhancing coverage of a power-limited mobile terminal by sending information relating to a single Hybrid Automatic Repeat Request (HARQ) process from the mobile terminal to a base station using several transmission time intervals. | 2017-09-14 |
20170264397 | METHODS AND APPARATUS FOR MULTI-CARRIER COMMUNICATIONS SYSTEMS WITH AUTOMATIC REPEAT REQUEST (ARQ) - Hybrid ARQ is employed in a multi-carrier communication system for retransmission of erroneous packets by taking advantage of time/frequency/space diversity and by combining ARQ functions at physical layer and MAC layers, making the multi-carrier system more robust in a high packet-error environment. | 2017-09-14 |
20170264398 | TERMINAL AND COMMUNICATION SYSTEM - There is provided a terminal for communicating with a base station apparatus, the terminal including a receiver that receives, from the base station apparatus, instruction information for performing an operation of an error correction process to be executed between the base station apparatus and the terminal, the instruction information including at least one of a process number of a process to be used for the error correction process, a time from receiving a signal until transmitting a reception response, and a timer value indicating a time from receiving the signal until receiving a retransmitted signal; and a processor that executes the error correction process based on the instruction information received by the receiver. | 2017-09-14 |
20170264399 | TRANSMISSION OF CONTROL CHANNEL AND DATA CHANNELS FOR COVERAGE ENHANCEMENTS - Methods and apparatus are provided for a base station to transmit and for a User Equipment (UE) to receive repetitions of an enhanced physical downlink control channel (EPDCCH). Time and frequency resources for EPDCCH repetitions are defined together with restrictions in time resources to provide UE power savings. Time and frequency resources are also defined for repetitions of a physical downlink shared channel (PDSCH) transmission and for repetitions of a physical uplink shared channel (PUSCH) transmission. Methods and apparatus are also provided for the UE to transmit and for the base station to receive acknowledgement information in repetitions of a physical uplink shared channel (PUCCH). | 2017-09-14 |
20170264400 | METHOD, USER EQUIPMENT AND BASE STATION FOR CONTROLLING DISCONTINUOUS RECEPTION (DRX) IN WIRELESS COMMUNICATION SYSTEM - A method is provided for controlling in a wireless communication system. A method includes receiving, from a second base station or a core network, information of data to be transmitted to a terminal through the second base station; determining a monitoring condition for the terminal to monitor the second base station based on the information of the data; and transmitting, to the terminal, a monitoring request message requesting the terminal to monitor the second base station based on the monitoring condition. | 2017-09-14 |
20170264401 | MULTICARRIER UPLINK DATA WITH SINGLE CARRIER UPLINK CONTROL - The disclosure relates to technology for communicating data and control information on an uplink channel in a wireless communication system. A frame is constructed to communicate symbols between a base station and user equipment, and zones are configured for an uplink channel in an uplink subframe using a signaling message. A first zone in the uplink channel is configured as a physical uplink control channel (PUCCH) for transmission of control information and a second zone is configured as a physical uplink shared channel (PUSCH) for transmission of data information. The PUCCH zone configuration is transmitted to the user equipment by the base station, control information is received by the base station as uplink control information (UCI) on the PUCCH resource using a single carrier modulation, such as SC-FDMA, and the data is received at the base station on the PUSCH resource using a multicarrier modulation, such as OFDM. | 2017-09-14 |
20170264402 | TRANSMISSION OF SOUNDING REFERENCE SIGNALS IN COMMUNICATION SYSTEMS WITH CARRIER AGGREGATION - Methods and apparatus are provided for a base station to trigger transmissions of sounding reference signals (SRS) from one or multiple user equipments (UEs) on one or multiple cells and for a UE to determine a power, a time instance, and other parameters for SRS transmissions in response to the triggering. A SRS transmission can be on a cell where a UE is not configured to transmit data or control information. | 2017-09-14 |
20170264403 | Multiple user (MU) short feedback response in wireless communications - A wireless communication device (alternatively, device, WDEV, etc.) includes at least one processing circuitry configured to support communications with other WDEV(s) and to generate and process signals for such communications. In some examples, the device includes a communication interface and a processing circuitry, among other possible circuitries, components, elements, etc. to support communications with other WDEV(s) and to generate and process signals for such communications. The WDEV generates a trigger frame that requests feedback responses from other WDEV(s) and transmit the trigger frame to the plurality of other WDEV(s). Then, in response to the trigger frame and based on agreed-upon parameters, the WDEV receives simultaneously the feedback responses that include a first feedback response from a first other WDEV and a second feedback response from a second other WDEV (e.g., within respective orthogonal frequency division multiple access (OFDMA) resource unit(s) (RU(s)) as specified by the agreed-upon parameters. | 2017-09-14 |
20170264404 | Wireless Communication Method, Device and System - Embodiments of the present application relate to the field of communications technologies, and provide a wireless communication method, a device, and a system, so as to cancel or reduce inter-cell interference, to a terminal, between neighboring cells. The method includes: sending, by a terminal, uplink information to a first network side device in a first time period; and receiving, by the terminal in a second time period, downlink information sent by a second network side device, where the first time period and the second time period are a same time period. The embodiments of the present application are used for wireless communication. | 2017-09-14 |
20170264405 | Methods and Systems for CSI-RS Port Selection for CSI-Reporting - According to certain embodiments, a method in a network node is disclosed. The method comprises selecting a subset from a predetermined set of P CSI-RS ports for receiving channel information. The network node comprises an antenna array with controllable polarization. Each CSI-RS port corresponds to a combination of a set of resource elements and an antenna port of said antenna array. The predetermined set comprises a first number P | 2017-09-14 |
20170264406 | NARROWBAND WIRELESS COMMUNICATIONS CELL SEARCH - Methods, systems, and devices for wireless communication are described. A base station may broadcast a synchronization signal using a narrowband portion of a bandwidth of a cell. The synchronization signal may include a sequence repeated over several symbol periods using a cover code to support power-efficient cell acquisition. A user equipment (UE) receiving the synchronization signal may determine frequency and timing information for a cell by performing a weighted combination and accumulation of low complexity autocorrelation and cross-correlation procedures on the synchronization signal. The reduced complexity correlation procedures may be enabled based on the use of the cover code and a base sequence. In some cases, the cross-correlation may be performed at multiple sampling rates. The use of the cover code within the synchronization signal may also support correlation procedures that use recursive or repeated updates, which may allow for further reduced computational complexity relative to other cell search procedures. | 2017-09-14 |
20170264407 | ENHANCED CHANNEL ESTIMATION METHOD AND USER EQUIPMENT PERFORMING THE SAME - One disclosure of the present specification provides a channel estimation method of a user equipment (UE). The method comprising: acquiring a first channel estimate based on a first reference signal allocated to a first resource element of a subframe received from a base station; and removing a second reference signal from a second resource element of the subframe when an additional reference signal is not required, and decoding a data channel multiplexed in the second resource element using a result of channel estimation of an entire channel performed based on the first channel estimate. The second reference signal and the data channel may be multiplexed in the second resource element. | 2017-09-14 |
20170264408 | DEMODULATION REFERENCE SIGNAL CONFIGURATION IN A MULTI-INPUT MULTI-OUTPUT WIRELESS COMMUNICATION SYSTEM - The present methods and apparatus enable transmission of an interlaced reference signal for two UEs using a comb structure. In some aspects, the present methods and apparatus may allocate resources and indicate whether a first UE and a second UE are to transmit DM-RS with a comb structure in a single slot based on the allocation. Further, in some aspects, the present methods and apparatus may allocate resources and transmit information indicating whether a first UE is to transmit DM-RS in a first slot or in both a first slot and a second slot within a subframe. | 2017-09-14 |
20170264409 | METHOD AND APPARATUS FOR A MULTI-CELL FULL-DIMENSION MIMO SYSTEM - A method for interference reduction of a user equipment (UE) in a wireless communication system. The method comprises receiving, from a base station (BS), configuration information comprising a set of different transmission parameters for cells of a multi-cell full dimension multi-input multi-output (MC FD-MIMO) system, determining a type of sounding reference signal (SRS) based on the configuration information, and transmitting, to the BS, an SRS based on the configuration information over at least one of a predetermined or a configured multi-cell SRS (MC SRS) resources configured by the BS, wherein the SRS includes a set of SRS sequences. | 2017-09-14 |
20170264410 | PILOT ALLOCATION METHOD BASED ON COHERENCE TIME FOR LARGE-SCALE MIMO SYSTEM - Disclosed is a pilot allocation method based on coherence time for a large-scale multiple input multiple-output (MIMO) system. The present invention achieves optimal allocation of pilot resources by fully utilizing the feature that different users possibly have different moving speeds and coherence time of corresponding channels is accordingly different, thereby improving overall data transmission performance of the system and achieving certain practicability. Moreover, the present invention effectively uses limited transmission resources in the case of limited total transmission resources, thereby improving overall data transmission performance of the system and effectively reducing pilot contamination. | 2017-09-14 |
20170264411 | PILOT FREQUENCY POSITION DETERMINING METHOD BASED ON PILOT FREQUENCY INTERVAL OPTIMIZATION, AND TRANSCEIVER DEVICE - The present invention discloses a pilot frequency position determining method based on pilot frequency interval optimization and a transceiver device. The method optimizes a pilot frequency position on the basis of better use of pilot frequency in a wireless system for sampling frequency synchronization and residual phase tracking. After an optimal pilot frequency position is obtained according to the method, a transmitting terminal inserts a pilot frequency sequence at a corresponding pilot frequency position, a receiving terminal learns the pilot frequency position and the pilot frequency sequence, and after channel equalization, deviation is tracked by means of coherent detection of a local sequence. For the aforementioned method, the present invention further provides a transceiver device of a related pilot frequency module in the wireless system. The pilot frequency position can be better determined without increasing system complexity, and the present invention significantly improves the system performance. | 2017-09-14 |
20170264412 | Downlink Pilot Transmitting Method and Device, Detection Method and Device, evolved Node B and Terminal - A downlink pilot transmitting method and device, a downlink pilot detecting method and device, a terminal and an evolved Node B are provided. In the transmitting method, the evolved Node B divides resources for transmitting a downlink Channel State Information-Reference Signal (CSI-RS) into multiple resource groups, wherein the resources include any one or any combination of subframes, ports and Physical Resource Block (PRB) pairs; the evolved Node B respectively configures a pilot transmitting parameter of each resource group and/or respectively reaches an agreement with the terminal on the a pilot transmitting parameter of each resource group; and the evolved Node B respectively transmits the downlink CSI-RS in the multiple resource groups according to the pilot transmitting parameter configured and/or as agreed with the terminal for each resource group. | 2017-09-14 |
20170264413 | METHOD, APPARATUS, AND COMPUTER READABLE MEDIUM FOR SIGNALING HIGH EFFICIENCY PACKET FORMATS USING A LEGACY PORTION OF THE PREAMBLE IN WIRELESS LOCAL-AREA NETWORKS - Methods, apparatuses, and computer readable media for signaling high-efficiency packet formats using a legacy portion of the preamble in wireless local-area networks are disclosed. A high-efficiency (HE) wireless local area network (HEW) device including circuitry is disclosed. The circuitry may be configured to generate a HE packet comprising a legacy signal field (L-SIG) followed by one or more HE signal fields, and configure the L-SIG to signal to a second HEW device either a first packet format of the HE packet or a second packet format of the HE packet, where a length of the L-SIG modulo 3 is used to signal the first packet format or the second packet format. The circuitry may be configured to generate a duplicated L-SIG field with a polarity difference to indicate a third packet configuration of the HE packet or a fourth packet configuration of the HE packet. | 2017-09-14 |
20170264414 | Dynamic Precoding of Shared Reference Signals - A receiver apparatus receives a terminal-specific demodulation reference signal having a rank k and estimates an effective multi-layer channel response, using the received terminal-specific demodulation reference signal. The receiver demodulates first data symbols from first time-frequency resource elements, using the estimate of the effective multi-layer channel response and using a first symbols-to-virtual-antenna mapping matrix M to obtain n | 2017-09-14 |
20170264415 | Methods and Apparatus Relating to Selective Enhancement of Radio Signals | 2017-09-14 |
20170264416 | An Access Point, A Wireless Station And Methods Therein For Multi-User Clear To Send Transmissions - An Access Point (AP) | 2017-09-14 |
20170264417 | DYNAMICAL SEARCH SPACE ALTERATIONS - There is disclosed a method performed by a wireless device for updating an allocated search space for downlink control information. A corresponding wireless device is also disclosed. There is also disclosed a method performed by a radio network node to enable a wireless device served by the radio network node to perform an update of a search space allocated to the wireless device to monitor for downlink control information. Also provided is a corresponding radio network node. Corresponding computer programs and apparatuses are also disclosed. One particular advantage of the disclosed is that it enables a more tailor made search space for a wireless device. | 2017-09-14 |
20170264418 | DATA TRANSMISSION METHOD FOR PERFORMING FULL-DUPLEX COMMUNICATIONS AND BASE STATION USING THE SAME - In an embodiment, a base station (BS) receives one or more first data transmitting from at least one of one or more transmitting user equipments (UEs). The BS transmits a message including assistance parameters for performing a full-duplex data transmission, to at least one of one or more receiving UEs, wherein the parameters are associated with information of reducing an interference from the at least one of the transmitting UEs. And, the BS transmits one or more second data including the one or more first data to the at least one of the receiving UEs. Wherein, the receiving UEs and the transmitting UEs respectively include at least one of: one or more half-duplex UEs, one or more full-duplex UEs, or any combination of two or more of the half-duplex UEs and the full-duplex UEs. | 2017-09-14 |
20170264419 | HD-FDD COMMUNICATION HAVING IMPROVED PEAK DATA RATES - The apparatus improves HD-FDD data transmission rates, e.g., for eMTC by using a self subframe scheduling PDSCH that overlaps a M-PDCCH transmission in time. The apparatus may communicate using ACK(s)/NACK(s) for multiple HARQs that are bundled and/or multiplexed within a subframe in order to increase a number of HARQs. | 2017-09-14 |
20170264420 | SYSTEMS AND METHODS FOR SELF-INTERFERENCE CANCELLER TUNING - A system for self-interference canceller tuning includes a transmit coupler that creates a sampled analog transmit signal; an analog self-interference canceller that transforms the sampled analog transmit signal to an analog self-interference cancellation signal according to a set of tuning parameters, the set of tuning parameters comprising complex weights for a set of taps of the analog self-interference canceller; a tuning circuit that calculates the set of tuning parameters, and applies the set of tuning parameters to the analog self-interference canceller based on component calibration data of the analog self-interference canceller; and a receive coupler that combines the analog self-interference cancellation signal with the analog receive signal to reduce self-interference in the analog receive signal. | 2017-09-14 |
20170264421 | MULTIPLEXERS - There is disclosed herein multiplexer circuitry. In particular, there is disclosed a latch circuit for use as a multiplexer to multiplex information carried by respective pairs of input information signals onto an output information signal, each pair of input information signals comprising a first input information signal and a second input information signal, and each pair of input information signals carrying information values based on signal values of those input information signals and interleaved with information values carried by the other pair or pairs of input information signals. | 2017-09-14 |
20170264422 | SYSTEM AND METHOD FOR REDUCING FALSE PREAMBLE DETECTION IN A COMMUNICATION RECEIVER - An apparatus comprising: a signal detection circuit determine a count reached by a counter between successive detected edge signals and to provide an indication of whether successive detected edge signals are separated from each other by at least a prescribed time interval; a clock circuit that produces clock signal pulses in response to a provided indication of an occurrence of a succession of detected edge signals each separated from a previous edge signal of the succession by at least the prescribed time interval; phase matching circuitry configured to align the produced clock signal pulses with detected edge signals; and a pattern matching circuit that that samples a sequence of detected edge signals aligned with the produced clock signal pulses to detect a data packet. | 2017-09-14 |
20170264423 | Electronic Control Device - The present invention achieves, using simple circuits, timing synchronization among ECUs of an electronic control device which is configured from a driver ECU, a sensor ECU, and an integrated ECU which are connected over a network. This electronic control device is provided with a driver ECU for driving various loads for vehicular control, a sensor ECU for sampling various sensor signals, and an integrated ECU which is connected to the driver ECU and sensor ECU over a network and calculates command values to the various loads in accordance with various sensor data, the electronic control device being characterized in that the driver ECU has timer D for generating internal timing, the sensor ECU has timer S for generating internal timing, and the integrated ECU has timer M serving as a reference for timer D and timer S. | 2017-09-14 |