Pulse or digital communications patents - Monitor Patents
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Pulse or digital communications

Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application.
  
08/28/2014 > 80 patent applications in 38 patent subcategories.

20140241401 - Iterative interference suppressor for wireless multiple-access systems with multiple receive antennas: This invention teaches to the details of an interference suppressing receiver for suppressing intra-cell and inter-cell interference in coded, multiple-access, spread spectrum transmissions that propagate through frequency selective communication channels to a multiplicity of receive antennas. The receiver is designed or adapted through the repeated use of symbol-estimate weighting, subtractive... Agent: Iii Holdings 1, LLC

20140241402 - Multi-path detection: A method for detecting multi-path interference in a spread-spectrum signal. A variation of a first signal and a variation of a second signal is compared. The variation of the first signal corresponds to a correlation of the spread-spectrum signal and a spreading code having a first offset. The variation of... Agent: Stmicroelectronics (research & Development) Limited

20140241403 - Method, apparatus, receiver, computer program and storage medium for joint detection: A method for performing joint detection includes adjusting a ranking order of codes in a matched filtering result, and a ranking order of column vectors in a system submatrix according to the power. The joint detection is performed using an adjusted matched filtering result and an adjusted system submatrix, and... Agent: Ericsson Modems Sa

20140241404 - Network-coding building blocks and decomposition scheduling based thereon: Methods and systems are disclosed involving physical-layer network coding (PNC) atoms as building blocks of PNC networks to solve the scheduling problem in PNC networks using a decomposition framework based on PNC atoms. Ten PNC atoms and their straightforward network coding (SNC) counterparts are disclosed. Performance evaluation results are discussed,... Agent: The Chinese University Of Hong Kong

20140241405 - Transceiver and communication method of digital subscriber line: The present invention discloses a transceiver of digital subscriber line (DSL) which supports a variety of DSL systems, comprising: a transmission circuit for receiving an output signal and generating a first DSL transmission signal or a second DSL transmission signal according to the output signal under the control of a... Agent: Realtek Semiconductor Corporation

20140241406 - Wireless communications system performing transmission and reception according to operational states of co-located interface apparatus and related wireless communications method there of: A wireless communications system co-located with an interface apparatus includes a radio subsystem. The radio subsystem includes a transmission circuit arranged for performing a radio transmission, and a reception circuit arranged for performing a radio reception when the interface apparatus operates in a first operational state. The interface apparatus operates... Agent: Mediatek Inc.

20140241407 - Measurement of dc offsets in iq modulators: Described are systems and methods of determining DC offset voltages in IQ modulators. First, two different DC test voltages are selected for one of the inputs to the IQ modulator. Then, a first test voltage is applied to one input to the IQ modulator while test data is generated by... Agent: Tektronix, Inc.

20140241409 - Modulation analysis and distortion identification: An apparatus, method, computer readable medium, and system are provided to generate a symbol placement associated with a transmission scheme by transforming a retrieved set of equalization coefficients. Symbols included in the symbol placement may be analyzed and quantified in terms of their distance from a decision boundary. Symbols may... Agent: Comcast Cable Communications, LLC

20140241408 - Radio frequency multipath channel emulation system and method: A multipath channel emulation system and method are disclosed. In some aspects, the system and method allow for analog emulation of a multipath MIMO wireless channel. Such multipath channel emulation system is used for testing the ability of wireless communication devices to operate in an airlink channel characterized by multipath.... Agent: Octoscope, Inc.

20140241410 - Iq baseband matching calibration technique: The first and second outputs of a signal generation system are coupled to the first and second inputs of a signal digitizing system via respective electrical conductors. A controller directs the generation system to generate a first calibration signal, and the digitizing system responsively captures a first set of vector... Agent: National Instruments Corporation

20140241411 - System and method for link training of a backplane physical layer device operating in simplex mode: A system and method for link training of a backplane physical layer device operating in simplex mode. In one embodiment of the present invention, a backplane training system includes a backplane device coupled to a first end of a backplane and at least one retimer device at a second end... Agent: Broadcom Corporation

20140241413 - Information processor, receiver, and information processing method: An information processor has a CIR estimator configured to estimate channel impulse response of an input signal including a channel estimation sequence and a data sequence, based on the channel estimation sequence, an extended CIR calculator configured to calculate extended channel impulse response based on the channel impulse response estimated... Agent: Kabushiki Kaisha Toshiba

20140241412 - Wireless communication system with interference cancellation mechanism and method of operation thereof: A method of operation of a wireless communication system includes: processing a received signal; calculating filter weights, by a filter weights estimation module, from the received signal; generating a corrected sequence, through a widely linear-single antenna interference cancellation (WL-SAIC) module, by applying the filter weights; calculating a channel estimation concurrently... Agent:

20140241414 - Self synchronizing data communication method and device: A method comprises: detecting a first change of a physical property of a signal; starting a measurement of a duration of a first time interval that begins with the detection of the first change; detecting a second change of the physical property; stopping the measurement of the duration of the... Agent:

20140241416 - Adaptive filter for video signal processing for decoder that selects rate of switching between 2d and 3d filters for separation of chroma and luma signals: An adaptive temporal motion filter for a video decoder system operates in an infinite impulse response (IIR), a max or a bypass mode. The adaptive temporal motion filter includes an adaptive time constant control module and a filter gain module. A gain factor of the filter gain module is varied... Agent: Stmicroelectronics International N.v.

20140241415 - Adaptive streaming techniques: Systems and methods are presented for minimizing the suddenness and immediacy of changes to the video quality perceived by users due to bandwidth fluctuations and transitions between different bitrate streams. A method may include identifying an upcoming bitrate change in a bitstream and a nearest scene cut boundary from sync... Agent: Apple Inc.

20140241418 - Inter-layer prediction between layers of different dynamic sample value range: The ratio between coding quality on the one hand and coding rate on the other hand is increased. To this end, a global predictor and a local predictor are used in combination. The global predictor derives a global tone-mapping function based on a statistical analysis of pairs of values of... Agent:

20140241417 - Offset type and coefficients signaling method for sample adaptive offset: This disclosure describes techniques for performing sample adaptive offset signaling and coding in a video coding process. Techniques of the disclosure include both a merge-based and prediction-based signaling process for sample adaptive offset information (i.e., offset values and offset type). The techniques includes determining offset information for a current partition,... Agent: Qualcomm Incorporated

20140241424 - Apparatus of decoding video data: Provided is an apparatus that includes an inverse scanning unit configured to an inverse scan pattern to the quantized coefficient components to generate a quantized block, an inverse quantization unit configured to generate a quantization parameter and to inverse-quantize the quantized block to generate a transformed block, an inter prediction... Agent:

20140241423 - Image coding and decoding methods and apparatuses: An embodiment of the present invention provides an image coding method, where the coding method includes: performing predictive coding on an image; performing transform coding on the image on which the predictive coding has been performed; performing, by using a quantization matrix, quantization coding on the image on which the... Agent: Huawei Technologies Co., Ltd.

20140241422 - Method and apparatus for image encoding and decoding using adaptive quantization parameter differential: A method of encoding an image, a method of decoding an image, an image encoding apparatus, and an image decoding apparatus, the method of encoding an image including the operations of determining a scaling factor, determining a quantization parameter (QP) value of a current block, acquiring a predicted QP value... Agent: Samsung Electronics Co., Ltd.

20140241419 - Multi-stream optimization: Methods and systems are provided for transmitting multiple video streams to clients based on individual preferences of the clients and network conditions. A cost-function minimization problem is formulated based on various network parameters. The network parameters (e.g., round-trip time (RTT), available bandwidth, packet loss rate, etc.) may be inputs to... Agent:

20140241420 - Systems and methods of encoding multiple video streams for adaptive bitrate streaming: Systems and methods for encoding multiple video streams in accordance with embodiments of the invention are disclosed. In one embodiment, a source encoder configured to encode source video as a number of alternative video streams includes a parallel processing system configured to collect statistics on source video data and write... Agent: Divx, LLC

20140241421 - Systems and methods of encoding multiple video streams with adaptive quantization for adaptive bitrate streaming: Systems and methods for encoding multiple video streams in accordance with embodiments of the invention are disclosed. In one embodiment, a method for encoding source video as alternative video streams includes collecting statistics on source video data and writing statistics to shared memory in a first pass through received multimedia... Agent:

20140241425 - Image coding method, image decoding method, image coding apparatus, image decoding apparatus, and image coding and decoding apparatus: An image coding method comprising: obtaining current signals to be coded of each of the processing units of the image; generating a binary signal by performing binarization on each of the current signals to be coded; selecting a context for each of the current signals to be coded from among... Agent: Panasonic Corporation

20140241428 - Image processing device and image processing method: Provided is an image processing device including a decoding section that, from an encoded stream of a first picture among two or more pictures associated with a common scene, decodes MostProbableMode information for a first prediction unit within the first picture, a first prediction section that conducts intra prediction on... Agent: Sony Corporation

20140241426 - Interleaved video streams: A first predictive frame is exchanged between an encoder and a decoder. A second predictive frame is exchanged between the encoder and the decoder, where the first predictive frame is encoded using at least some portion of a first reference frame and the second predictive frame is encoded using at... Agent: Adobe Systems Incorporated

20140241427 - Method and apparatus for coding matrix and method and apparatus for decoding matrix: The present disclosure provides a method and an apparatus for coding or decoding a matrix, includes: dividing a matrix into layers according to a preset quantity of divided layers, and grouping matrix elements into different layers; performing, according to a determined layer number of a highest layer to be coded... Agent: Tsinghua University

20140241429 - Image processing device: According to one embodiment, an image processing device includes a first motion estimator and a second motion estimator. The first motion estimator is configured to detect a second pixel of a second integer position in a reference frame, the second pixel corresponding to a first pixel of a first integer... Agent: Kabushiki Kaisha Toshiba

20140241434 - Method and apparatus of motion and disparity vector derivation for 3d video coding and hevc: A method and apparatus for deriving MVP (motion vector predictor) for a block for three-dimensional video coding or multi-view video coding are disclosed. Embodiments according to the present invention replace an unavailable inter-view MV of one neighboring block with a disparity vector derived from depth data of a subset of... Agent:

20140241436 - Method and device for determining parameters for encoding or decoding of an image of a video sequence: A method of and a device for determining encoding parameters for encoding, into a bitstream, a portion of an image of a video sequence, the image portion being encoded by motion compensation with respect to at least one reference image portion, the encoding parameters for encoding the image portion including... Agent: Canon Kabushiki Kaisha

20140241435 - Method for managing memory, and device for decoding video using same: The present invention relates to a method for managing memory, and to a device for decoding video using same. The method includes the marking of motion information stored in a first buffer in response to a memory management control command (MMCO), and the deleting of the motion information from the... Agent: Intellectual Discovery Co., Ltd.

20140241433 - Multi-view coding with effective handling of renderable portions: A proposed intermediate way of handling the renderable portion of the first view results in more efficient coding. Instead of omitting the coding of the renderable portion completely, even more efficient coding of multi-view signals entails merely suppressing the coding of the residual signal within the renderable portion, whereas the... Agent: Fraunhofer-gesellschaft Zur Foerderung Der Angewandten Forschung E.v.

20140241430 - Neighboring block disparity vector derivation in 3d video coding: In one example of the disclosure, a method of coding video data comprises coding video data using texture-first coding, and performing an NBDV derivation process for a block of the video data using a plurality of neighboring blocks. The NBDV derivation process comprises designating a motion vector associated with a... Agent: Qualcomm Incorporated

20140241431 - Neighboring block disparity vector derivation in 3d video coding: In one example of the disclosure, a method of coding video data comprises coding video data using texture-first coding, and performing an NBDV derivation process for a block of the video data using a plurality of neighboring blocks. The NBDV derivation process comprises designating a motion vector associated with a... Agent: Qualcomm Incorporated

20140241432 - Video prediction encoding device, video prediction encoding method, video prediction encoding program, video prediction decoding device, video prediction decoding method, and video prediction decoding program: A predicted signal generation unit provided in a video predictive encoding device estimates a zero-th motion vector for derivation of a zero-th predicted signal, selects a zero-th motion vector predictor similar to the zero-th motion vector, and generates zero-th side information containing a zero-th motion vector predictor index to identify... Agent: Ntt Docomo, Inc.

20140241437 - Device and method for scalable coding of video information: An apparatus configured to code video information includes a memory unit and a processor in communication with the memory unit. The memory unit is configured to store video information associated with a reference layer (RL) and an enhancement layer, the RL comprising an RL picture having an output region that... Agent: Qualcomm Incorporated

20140241438 - Methods, devices and systems for parallel video encoding and decoding: A method for decoding a video bitstream is disclosed. The method comprises: entropy decoding a first portion of a video bitstream, wherein first portion of video bitstream is associated with a video frame, thereby producing a first portion of decoded data; entropy decoding a second portion of video bitstream, wherein... Agent: Sharp Kabushiki Kaisha

20140241439 - Transmitting apparatus and method thereof for video processing: m

20140241440 - High speed data cable using an outer braid to carry a signal: A high speed video cable carries signals according to the High-Definition Multimedia Interface (HDMI), and includes a raw cable and may include a boost device. The raw cable includes coaxial lines which are covered by an outer metallic braid. Each of four high speed video signals is carried on the... Agent:

20140241441 - Power line communications using frame control data blocks for data transport: Method, systems, and apparatus include a communication device configured to receive a data unit in accordance with a power line communications protocol, to extract data within the data unit to provide extracted data, and to process the extracted data in accordance with a non-power line communication protocol. Embodiments also describe... Agent: Marvell World Trade Ltd.

20140241443 - Bi-modal arbitration nodes for a low-latency adaptive asynchronous interconnection network and methods for using the same: A dynamically reconfigurable asynchronous arbitration node for use in an adaptive asynchronous interconnection network is provided. The arbitration node includes a circuit, an output channel and two input channels—a first input channel and a second input channel. The circuit supports a default-arbitration mode and a biased-input mode. The circuit is... Agent:

20140241442 - Compact low-power fully digital cmos clock generation apparatus for high-speed serdes: A device for high-speed clock generation may include an injection locking-ring oscillator (ILRO) configured to receive one or more input clock signals and to generate multiple clock signals with different equally spaced phase angles. A phase-interpolator (PI) circuit may be configured to receive the multiple coarse spaced clock signals and... Agent:

20140241446 - Apparatus and method for dynamically altering a downlink mimo configuration: A mobile wireless device may dynamically alter a downlink MIMO function by switching it on and off, or switching between different downlink MIMO configurations, such as 2×MIMO and 4×MIMO. Still further, a mobile device having greater than two antennas may dynamically select a subset of the antennas to be used... Agent: Qualcomm Incorporated

20140241445 - Method for providing quality of service in a multiuser orthogonal frequency division multiplex (ofdm) system: A method that provides quality of service in a multiuser orthogonal frequency division multiplex system. The method assures quality of service at application level, which directly affects user's satisfaction with the service for interactive applications, such as web browsing, and real-time applications. The method uses advanced dynamic resource allocation to... Agent: Univerza V Ljubljani, Fakulteta Za Elektrotehniko

20140241447 - Receiver with cyclic prefix determination: A user equipment (UE) performs a transform domain (DFT) based method to detect the cyclic prefix (CP) length that is being used by a base station for cellular communications. The detected CP length is then used to reduce the amount of time required to complete the synchronization and cell search... Agent: Broadcom Corporation

20140241444 - Tentpoles scheme to achieve reliable v2v communications: A communications system including a transmitter and a receiver. The transmitter transmits a signal with normal data symbols and at least one dual-use data symbol, where the dual-use data symbol has user data and more data protection than the normal data symbols. The receiver receives the transmitted signal and decodes... Agent: Gm Global Technology Operations LLC

20140241449 - Codebook construction: A method implemented in a base station used in a wireless communications system is disclosed. The method comprises having a codebook including a plurality of precoding matrices, precoding data with one of the plurality of precoding matrices, and transmitting, to a user equipment, the precoded data, wherein each precoding matrix... Agent: Nec Laboratories America, Inc.

20140241450 - Codebook construction: A method implemented in a base station used in a wireless communications system is disclosed. The method comprises having 1-layer, 2-layer, 3-layer, and 4-layer codebooks for 4 transmit antenna (4TX) transmission, each codebook including a plurality of precoding matrices, precoding data with one of the plurality of precoding matrices, and... Agent: Nec Laboratories America, Inc.

20140241452 - Method and apparatus for constructing codebook, and method, apparatus and system for precoding: The present invention discloses a method and apparatus for constructing a codebook. The method comprises: receiving grouping information on a plurality of transmit antennas of a base station; obtaining a channel model for a channel between a mobile terminal and the base station; and determining an optimal precoding matrix corresponding... Agent: Alcatel Lucent

20140241454 - Method and apparatus for transreceiving channel state information in cooperative multipoint communication system: The present invention relates to a wireless communication system, and more specifically, disclosed are a method and an apparatus for transmitting channel state information in a cooperative multipoint communication system. A method for a terminal transmitting the channel state information (CSI) with respect to multiple base stations in a wireless... Agent: Lg Electronics Inc.

20140241451 - Method for transmitting control information and apparatus for the same: Methods and devices for transmitting or receiving data in a wireless local area network are provided. The method in one embodiment includes transmitting, by a transmitter, a first long training field (LTF) to a receiver; transmitting, by the transmitter, a very high throughput (VHT)-SIG-A field to the receiver; transmitting, by... Agent: Lg Electronics Inc.

20140241453 - Mitigation of transmission errors of quantized channel state information feedback in multi antenna systems: Methods are disclosed for improving communications on feedback transmission channels, in which there is a possibility of bit errors. The basic solutions to counter those errors are: proper design of the CSI vector quantizer indexing (i.e., the bit representation of centroid indices) in order to minimize impact of index errors,... Agent: Wi-lan, Inc.

20140241448 - Precoding method and apparatus: A transmit node receives a transformed correlation matrix or a correlation matrix of a channel coefficient matrix, or a correlation matrix of an interference channel coefficient matrix from each of receive nodes sharing a radio resource. The transmit node determines a precoder based on a value maximizing values determined by... Agent: Electronics And Telecommunications Research Institute

20140241456 - Communication device, communication system, and communication method: A communication device includes: an amplifier (62) arranged to amplify a reception signal received from one of the plurality of terminals; a first demodulation unit (26) arranged to demodulate a first frame transmitted using a first communication method operable to communicate when CNR is smaller than 0 dB; a second... Agent: Renesas Electronics Corporation

20140241455 - Precoding method and apparatus: A precoding method and apparatus are provided. Each transmission node receives feedback on first information as information regarding a transmission node that transmits an interference signal causing an interference-to-noise ratio (INR) greater than a first reference value from reception nodes, determines a group to which each transmission node belongs on... Agent: Electronics And Telecommunications Research Institute

20140241457 - Apparatus, system and method for providing clock and data signaling: Techniques and mechanisms for exchanging communications which each represent a respective combination of data and clock signaling. In an embodiment, encoder logic generates a first signal pair, including encoding a first differential data signal pair with a first clock signal of a differential clock signal pair. The encoder logic further... Agent: Silicon Image, Inc.

20140241458 - Training sequence indication for wlan: In a method for generating a preamble of a data unit for transmission via a multiple input, multiple output (MIMO) communication channel, a first field of the preamble is generated. The first field provides a plurality of indicators to a plurality of receivers. Each one of the plurality of indicators... Agent: Marvell World Trade Ltd.

20140241459 - Clock-embedded data generating apparatus and transmission method thereof: A clock-embedded data generating apparatus and transmission method are disclosed. The steps of the transmission method include: generating a plurality of preamble signals according to a number sequence, where each of the preamble signals has a plurality of bits. The number sequence includes a plurality of values, and the bits... Agent: Novatek Microelectronics Corp.

20140241460 - Transmitter having an embedded zero amplitude differential phase tracking signal and corresponding receiver: Example embodiments presented herein are directed towards a system, and corresponding method, for interference suppression of wireless communication signals. The method may comprise embedding a differential phase tracking signal (e.g., a zero amplitude differential phase tracking signal) in a transmitted wireless communication signal. Thereafter,a differential phase may be measured between... Agent: Telefonaktiebolaget L M Ericsson (publ)

20140241462 - Circuit and method for envelope tracking and envelope-tracking transmitter for radio-frequency transmission: A method of envelope tracking and an envelope tracking (ET) circuit. One embodiment of the (ET) circuit is for radio frequency (RF) transmission and includes: (1) an amplitude calculator configured to generate an amplitude signal that approximates the amplitude of an input signal, (2) a peak detector configured to take... Agent: Nvidia Corporation

20140241461 - Wide bandwidth digital predistortion system with reduced sampling rate: A digital predistortion linearization method is provided for increasing the instantaneous or operational bandwidth for RF power amplifiers employed in wideband communication systems. Embodiments of the present invention provide a method of increasing DPD linearization bandwidth using a feedback filter integrated into existing digital platforms for multi-channel wideband wireless transmitters.... Agent: Dali Systems Co. Ltd.

20140241463 - Phased array antenna and associated methods: A phased array transmitter is disclosed comprising a vector modulator, a true time delay block coupled to the vector modulator, a local oscillator phase shifter and RF-converter block coupled to the true time delay block, and an antenna. The vector modulator applies vector modulation to a baseband signal and provides... Agent: Nxp B.v.

20140241464 - Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships: Methods, systems, and apparatuses, and combinations and sub-combinations thereof, for down-converting an electromagnetic (EM) signal are described herein. Briefly stated, in embodiments the invention operates by receiving an EM signal and recursively operating on approximate half cycles (½, 1½, 2½, etc) of the carrier signal. The recursive operations can be... Agent:

20140241465 - Receiver and transmission and reception system: A receiver is composed of a receiver-side amplifier which receives a clock signal, a receiver-side amplifier which receives a data signal, a variable delay circuit which generates a delay-adjusted clock signal and a delay-adjusted data signal by delaying the clock signal and the data signal, a latch circuit section which... Agent: Renesas Sp Drivers Inc.

20140241466 - Low symbol rate rapid carrier acquisition with extremely large frequency offset for digital communication receiver: A method of rapid non-data aided carrier signal acquisition for a low symbol rate carrier signal, comprising receiving and converting an analog intermediate frequency carrier to a digital carrier signal, down-converting the signal to substantially baseband, reducing a sampling rate of the digital carrier signal using a decimation filter, determining... Agent: Comtech Ef Data Corp.

20140241467 - Phase locked loop frequency synthesizer with reduced jitter: A phase locked loop frequency synthesizer has a controlled oscillator for generating an output signal at a desired frequency, a phase/frequency detector module for comparing a feedback signal derived from the controlled oscillator with a reference signal to generate an error signal, a loop filter for processing said at least... Agent: Microsemi Semiconductor Ulc

20140241468 - Radio to analog-to-digital sample rate decoupled from digital subsystem: A multichannel radio receiver may include a radio frequency (RF) subsystem and a digital subsystem. The RF subsystem may be configured to provide analog information associated with a radio band to an analog to digital converter (ADC). The ADC samples the analog input and sends digital output to the digital... Agent: Itron, Inc.

20140241469 - Radio to support channel plans of arbitrary width and/or spacing: A multichannel radio receiver may include a radio frequency (RF) subsystem and a digital subsystem. The digital subsystem may be configured to use an analog to digital converter (ADC) to sample input. A channelizer bank within the digital subsystem may include a plurality of channelizers. Each channelizer may receive and... Agent: Itron, Inc.

20140241470 - Receiver apparatus, reception method, communication system, and communication method: A receiver apparatus includes a first frequency response estimator configured to calculate a first frequency response estimation value using a reference signal, a duration extractor configured to determine an estimation duration by extracting at least one duration from among a plurality of duration candidates into which a predetermined maximum delay... Agent: Sharp Kabushiki Kaisha

20140241471 - Method and system for communicating data wirelessly using probabilistic data association: A signal received via a fading channel is decoded in radio frequency receiver by first demodulating the signal to a baseband signal, and serial to parallel converting the baseband signal to a precoded signal. Then, a channel matrix is estimated from the precoded signal, and symbols are detected in the... Agent: Mitsubishi Electric Research Laboratories, Inc.

20140241472 - Fsk/msk decoder: A decoder for a modulation scheme is configured to operate close to the radio noise floor. A correlation value may be constantly updated, in an effort to match to a signature to a preamble of a packet. A low clamp value may act as a floor to which a calculated... Agent: Itron, Inc..

20140241474 - Method and apparatus for spectrum sensing: In accordance with an example embodiment of the present invention the application discloses a method and an apparatus to receive a signal (501) in a radio device on a radio channel; calculate a plurality of cyclic autocorrelations (504′, 505) for the received signal (501), wherein calculating the plurality of cyclic... Agent:

20140241473 - Ofdm signal receiver and method for receiving ofdm signal: A Tu delay section delays an analog-to-digital converted OFDM signal S01 by a time corresponding to an effective symbol period Tu. A correlation signal of an output of the Tu delay section and OFDM signal S01 is obtained using a correlation calculating section. A delay section outputs at least one... Agent: Panasonic Corporation

20140241475 - Semiconductor device and signal processing method thereof: A semiconductor device includes a one-segment tuner I/F that is connected to a one-segment tuner, a tuner I/F that is connected to a digital terrestrial tuner, a decoder that selectively decodes a first broadcast signal supplied from the one-segment tuner I/F and a second broadcast signal supplied from the tuner... Agent: Renesas Mobile Corporation

20140241476 - Receiving method and receiving apparatus: All data symbols used in data transmission of a modulated signal are precoded by switching between precoding matrices so that the precoding matrix used to precode each data symbol and the precoding matrices used to precode data symbols that are adjacent to the data symbol along the frequency axis and... Agent: Panasonic Corporation

20140241477 - Decision feedback equalizer for highly spectrally efficient communications: One or more embodiments describe a decision feedback equalizer for highly spectrally efficient communications. A method may be performed in a decision feedback equalizer (DFE). The method may include initializing values of tap coefficients of the DFE based on values of tap coefficients of a partial response filter through which... Agent: Magnacom Ltd.

20140241479 - Frequency difference detection device, frequency difference detection method, and program: A frequency difference detection device, as one aspect of the present disclosure is a frequency difference detection device that detects a difference in oscillation frequency between a master device and a slave device connected to each other via a network. The frequency difference detection device includes: a first subtracting unit... Agent:

20140241478 - Timing phase estimation for clock and data recovery: In order to initialize the phase of the recovered clock signal used in clock-and-data recovery (CDR) circuitry, the normal, on-line CDR processing is disabled. The sum of the absolute values of analog-to-digital converter (ADC) samples are generated for different clock phases over each unit interval (UI) of the analog signal... Agent: Lsi Corporation

20140241480 - Hitless efficient transmitter protection of all outdoor radios: A method is provided for synchronizing a first radio unit with a second radio unit associated with an all outdoor radios system, the method including: receiving, at the first radio unit and the second radio unit, respectively, a communication signal from a common communication source; receiving, at the first radio... Agent:

  
08/21/2014 > 80 patent applications in 38 patent subcategories.

20140233608 - Triplicate location tracking multiple access protocol of a beacon: Systems, methods and apparatus are provided through which in some implementations a here-i-am (HIA) transmission on a first RF channel, a registration (REG) transmission on a second RF channel are repeated at least twice and followed by a location tacking messaging (LOC) transmission on a third RF channel is operable... Agent: Times Three Wireless Inc.

20140233607 - Triplicate telemetry multiple access protocol of a beacon: Systems, methods and apparatus are provided through which in some implementations a here-i-am (HIA) transmission on a first RF channel, a registration (REG) transmission on a second RF channel are repeated at least twice and followed by a short-and-instant telemetry messaging (SIM) transmission on a third RF channel is operable... Agent: Times Three Wireless Inc.

20140233609 - Ultra wideband modulation for body area networks: A symbol modulation system applicable to a body area network is disclosed herein. The symbol modulation system includes a symbol mapper. The symbol mapper is configured to determine a time within a predetermined symbol transmission interval at which a transmission representative of the symbol will occur. The time is determined... Agent: Texas Instruments Incorporated

20140233610 - Method of acquiring a gps signal by iterative decoding: The invention relates to a method of acquiring a GPS signal, spread by a Gold sequence obtained as the sum of a first M-sequence and a second M-sequence, this second M-sequence being characteristic of a satellite among a plurality of satellites in the GPS system. The acquisition method comprises a... Agent: Commissariat A L'energie Atomique Et Aux Ene Alt

20140233611 - System and method for satellite link budget analysis (lba) optimization: A method of optimizing a link budget analysis comprising performing a first LBA based on a target modulation and coding pair (MODCOD), the MODCOD having a symbol energy to noise density ratio (Es/No), a target setting of a power amplifier, or a target antenna size, determining an excess margin and... Agent: Comtech Ef Data Corp.

20140233614 - Isolation communication technology using coupled oscillators/antennas: The present subject matter discusses, among other things, electrical isolation, and more particularly wireless electrical isolation methods and apparatus. IN an example, an electrical isolator can include a transmit circuit including a transmit antenna, and a receive circuit including a receive antenna. The transmit circuit can be configured to receive... Agent: Fairchild Semiconductor Corporation

20140233615 - Packet detector: There are several exemplary ways to more efficiently communicate an out-of-domain seed to a receiver—in a first technique, the seed can be indicated in the header portion or data portion of a packet. For example, the header portion of the packet could contain one or more bit fields that indicate... Agent: Aware, Inc.

20140233612 - Technique for optimizing the phase of a data signal transmitted across a communication link: A first transceiver is configured to transmit a first data signal to a second transceiver across a communication link. The second transceiver maintains clock data recovery (CDR) lock with the first signal by adjusting a sampling clock configured to sample the first data signal. When the communication link reverses directions,... Agent: Nvidia Corporation

20140233613 - Wifi management interface for microwave radio and reset to factory defaults: WIFI management interfaces for microwave radio and reset to factory defaults are provided herein. Methods may include transmitting or receiving, on a dedicated management interface antenna of the wireless radio management signals, signals in a dedicated band for controlling operations of the wireless radio, and transmitting or receiving, on at... Agent:

20140233616 - Communication system and method: A modem is disclosed. An embodiment thereof includes: a first interface arranged to connect to a network, a second interface arranged to connect to a host processor on the terminal, an audio interface arranged to connect to an audio processing means and a processing unit arranged to receive a plurality... Agent: Nvidia Corporation

20140233617 - Communication system and method: A modem for handling notifications received over a network is disclosed. In one embodiment, the modem includes a first interface to connect to a network, a second interface to connect to a host processor on a terminal and a modem processor to receive presence configuration information from the host processor... Agent: Nvidia Corporation

20140233618 - Method and apparatus for self-testing to improve factory throughput: A method and apparatus for self-testing of a radio frequency (RF) chipset is provided. The method requires that a set of test instructions be loaded into a software load station. Once the software is loaded, reference calibration is conducted with test equipment connected. After calibration, the test equipment is disconnected... Agent: Qualcomm Incorporated

20140233622 - Adjustable transmitter power for high speed links with constant bit error rate: A method and apparatus for dynamically adjusting power of a transmitter is herein described. A transmitter transmits a pattern to a receiver at a differential voltage. The length of the pattern, in one embodiment, is selected to be a reasonable length training pattern, as not to incur an extremely long... Agent:

20140233621 - Gsm/edge transmit power calibration and characterized digital predistortion calibration using multi-band multi-channel multi-chain sweep: A method and apparatus for characterized pre-distortion calibration is provided. The method begins with the selection of a number of devices to be characterized. The number of devices selected may be a subset of a larger group of devices. The selected number of devices is then characterized. The method avoids... Agent: Qualcomm Incorporated

20140233620 - Methods for analyzing and optimizing the performance of a data collection network on an electrical distribution grid: A system and methods for optimizing the performance of communication network utilizing an electrical distribution grid are disclosed. Optimization methods may include archiving historical message data and metrics from transmissions by Remote Hubs received on one or more Substation-to-Edge channels. Trends in the archived metrics over time are later analyzed... Agent: Power Tagging Technologies, Inc.

20140233619 - Pattern-based loss of signal detector: In described embodiments, data pattern-based detection of loss of signal (LOS) is employed for a receive path of serializer/deserializer (SerDes) devices. Pattern-based LOS detection allows for detection of data loss over variety of types of connection media, and is generally insensitive to signal attenuation. More specifically, some described embodiments disclose... Agent: Lsi Corporation

20140233623 - Signal generation device, mobile communication terminal test device including the same, signal generation method, and mobile communication terminal test method: To provide a mobile communication terminal test device that can generate a signal with amplitude-frequency characteristics or phase-frequency characteristics which are changed over time. A mobile communication terminal test device 10 includes a data generation unit 12 that generates a bit stream, a sub-carrier generation unit 31 that receives bit... Agent: Anritsu Corporation

20140233624 - Method and apparatus to determine time and distance between transceivers using phase measurements: Systems, apparatuses and methods are disclosed for estimating a signal travel time, and thus distance between transceivers, in an orthogonal frequency division multiplexing (OFDM) system. The signal travel time is measured between a transmit time (tT) and a receive window time (twindow) adjusted by the phase delay (TΦ). The phase... Agent: Qualcomm Incorporated

20140233625 - Maximal ratio combining of equalized symbols for mimo systems with harq and/or repetition coding: Systems and methods are provided for decoding signal vectors in multiple-input multiple-output (MIMO) systems, where the receiver has received one or more signal vectors based on the same transmitted vector. The receiver linearizes each received signal vector using one or more zero-forcing, MMSE, or other suitable linear equalizers. The components... Agent: Marvell World Trade Ltd.

20140233626 - Virtual reception diversity apparatus and method in wireless communication system: A receiving apparatus in a wireless communication system is provided. The receiving apparatus includes a first interference cancellation unit configured to cancel interference from a received signal that is received through an antenna according to a first scheme, a second interference cancellation unit configured to cancel interference from the received... Agent: Samsung Electronics Co. Ltd.

20140233627 - Adaptive equalization using correlation of edge samples with data patterns: An integrated receiver supports adaptive receive equalization. An incoming bit stream is sampled using edge and data clock signals derived from a reference clock signal. A phase detector determines whether the edge and data clock signals are in phase with the incoming data, while some clock recovery circuitry adjusts the... Agent: Rambus Inc.

20140233628 - Method of combining signals from multiple channels in a multi-antenna receiver and its apparatus: The present invention relates to the field of MIMO wireless communication. Disclosed are a method for combining signals from multiple channels in a multi-antenna receiver and its apparatus. In the present invention, weight values corresponding to each antenna are calculated based on noise estimates or SNRs obtained from channel estimation,... Agent: Spreadtrum Communications (shanghai) Co., Ltd.

20140233629 - Enhanced wireless display: A device source provides an ability to decompose a graphical display into multiple data streams (i.e., different layers). The multiple data streams may include multimedia data streams, operating system (OS) desktop data streams, and mouse data streams. The multiple data streams may be encoded and transmitted independently by the device... Agent:

20140233631 - Adaptive coding of a prediction error in hybrid video coding: The present invention relates to a method for coding a video signal using hybrid coding, comprising: reducing temporal redundancy by block based motion compensated prediction in order to establish a prediction error signal, deciding whether to transform the prediction error signal into the frequency domain, or to maintain the prediction... Agent:

20140233632 - Adaptive coding of a prediction error in hybrid video coding: The present invention relates to a method for coding a video signal using hybrid coding, comprising: reducing temporal redundancy by block based motion compensated prediction in order to establish a prediction error signal, deciding whether to transform the prediction error signal into the frequency domain, or to maintain the prediction... Agent:

20140233630 - Apparatus and method for adaptive layer selection and server having the same: An apparatus and method for adaptive layer selection and a server having the same are provided. The adaptive layer selecting apparatus includes a monitoring unit monitoring a connection state of at least one channel connected through a communication network, a channel managing unit detecting available channels to be used for... Agent: Electronics And Telecommunications Research Institute

20140233634 - Method and device for encoding and decoding video: A method and apparatus for encoding and decoding a video are provided. The method of encoding the video includes: determining whether a unidirectional motion estimation mode and a bidirectional motion estimation mode are to be used based on a size of a current prediction unit to be encoded, performing the... Agent: Samsung Electronics Co., Ltd.

20140233633 - Method, device, and system for multiplexing of video streams: A method of reproducing at least two digital video sequences. The method includes multiplexing a first digital video sequence with a second digital video sequence, pictures of the second digital video sequence are included in advance in a video stream and are associated with timing information such that a receiver... Agent: Core Wireless Licensing S.a.r.l.

20140233636 - Adaptive coding of a prediction error in hybrid video coding: The present invention relates to a method for coding a video signal using hybrid coding, comprising: reducing temporal redundancy by block based motion compensated prediction in order to establish a prediction error signal, deciding whether to transform the prediction error signal into the frequency domain, or to maintain the prediction... Agent:

20140233638 - Flexible quantization: A digital media encoder/decoder uses a flexible quantization technique that provides the ability to vary quantization along various dimensions of the encoded digital media data, including spatial, frequency sub bands and color channels. The codec utilizes a signaling scheme to signal various permutations of flexible quantization combinations efficiently for primary... Agent: Microsoft Corporation

20140233639 - Image processing device and method: Disclosed is an image processing device and method capable of improving encoding efficiency when encoding motion vectors. A motion vector encoding unit generates (determines) a predictive motion vector of each PU. A region deciding unit refers to a predictive motion vector of a current PUC and predictive motion vectors of... Agent: Sony Corporation

20140233637 - Managed degradation of a video stream: A system and a method for simultaneous transmission of multiple media streams in a fixed bandwidth network are disclosed herein. The system is comprised of a central gateway media server and a plurality of client receiver units. The input media streams arrive from an external source and are then transmitted... Agent: Vixs Systems Inc.

20140233635 - Sub-picture hierarchical qp coding: A method including: dividing a first video frame into a predetermined plurality of regions; assigning a quantization parameter to each of the predetermined plurality of regions in accordance with a first predetermined pattern of quantization parameters, the quantization parameters not being all the same; dividing video frames, subsequent to the... Agent: Cisco Technology, Inc.

20140233641 - Intra-frame decoding method and apparatus for signal component sampling point of image block: Embodiments of the present invention provide an intra-frame decoding method and apparatus for a signal component sampling point of an image block. The method includes: obtaining prediction mode information about a first signal component of a current block from a video code stream; determining a prediction mode for the first... Agent: Huawei Technologies Co., Ltd.

20140233642 - Method and apparatus for intra-prediction: An intra-prediction method is provided to predict a current block according to pixel values of an upper neighboring block and a left neighboring block. The method includes: acquiring, according to a prediction direction, mapped pixels in the left neighboring block for reference pixels in an upper neighboring block; calculating an... Agent: Huawei Technologies Co., Ltd.

20140233644 - Method for encoding/decoding an intra-picture prediction mode using two intra- prediction mode candidate, and apparatus using such a method: The method for decoding an intra-picture prediction mode includes the steps of: determining whether the intra-picture prediction mode of a current prediction unit is identical to a first intra-picture prediction mode candidate or a second intra-picture prediction mode candidate based on bit information; and when the intra-picture prediction mode of... Agent: Pantech Co., Ltd.

20140233640 - Random access point (rap) formation using intra refreshing technique in video coding: A random access point is generated in a stream of coded digital pictures containing a plurality of predictive coded frames that have two or more predictive coded frames in which one or more subsections of each of the two or more predictive coded frames are intra coded. Information is added... Agent: Sony Computer Entertainment Inc.

20140233643 - Transformation mode encoding and decoding method and apparatus: Embodiments of the present invention disclose a transformation mode encoding and decoding method and apparatus. A correlation between the prediction mode and the transformation mode is used, and an optimal transformation mode candidate set is simplified, thereby saving resources when an index of an optimal transformation mode is encoded in... Agent: Huawei Technologies Co., Ltd.

20140233646 - Methods, apparatuses, and programs for encoding and decoding picture: An object is to reduce an intra-prediction error and improve coding efficiency by introducing an adaptive reference pixel generating process in accordance with coding conditions into intra-prediction. In picture encoding or picture decoding for generating a prediction signal using spatial inter-pixel prediction and encoding or decoding a picture using a... Agent: Nippon Telegraph And Telephone Corporation

20140233645 - Moving image encoding apparatus, method of controlling the same, and program: A moving image encoding apparatus for performing prediction encoding using inter prediction and intra prediction, comprising storage means for storing an encoding target image, reference image storage means for storing a reference image, decision means for deciding one of an inter prediction mode and an intra prediction mode as a... Agent:

20140233647 - Method and apparatus for signaling image information, and decoding method and apparatus using same: The present invention relates to a method for signaling image information and to a decoding method using same. The method for signaling image information according to the present invention comprises: a step of performing inter-prediction for a current picture; and a step of signaling information including the result of said... Agent:

20140233653 - Decoder and encoder for picture outputting and methods thereof: An object of the embodiments of the present invention is to achieve a robust solution for keeping track of the output order. That is achieved by introducing a set of Allowed POC Values (APV) which is signaled from the encoder to the decoder. In this way the number of allowed... Agent: Telefonaktiebolaget L M Ericsson (publ)

20140233655 - Estimation of motion at the level of the decoder by matching of models: Methods and apparatus are provided for decoding and coding a data signal representing at least one current image split up into partitions. The method of decoding includes, for at least one current partition to be reconstructed in the image, steps of: prediction of the current partition from at least one... Agent:

20140233654 - Image processing apparatus and method: The present disclosure relates to an image processing apparatus and an image processing method capable of improving processing efficiency with pipeline processing in encoding or decoding of a motion vector. In a motion vector encoding unit, such configuration is adopted that when a spatial prediction motion vector is derived according... Agent: Sony Corporation

20140233650 - Intra-frame prediction and decoding methods and apparatuses for image signal: An intra-frame decoding method is provided. The method includes: obtaining, from a video code stream, prediction mode information of a first signal component of a current block; determining a prediction mode of the first signal component of the current block from a prediction mode set of the first signal component... Agent: Huawei Technologies Co., Ltd.

20140233649 - Method and apparatus for video decoding using multi-core processor: A method and apparatus for deblocking process using multiple processing units are disclosed. The video image is divided into at least two regions. The in-loop filter is applied to block boundaries associated with said at least two regions using multiple processing units. The in-loop filter is re-applied to one or... Agent: Mediatek Inc.

20140233648 - Methods and systems for detection of block based video dropouts: Methods and systems for detecting block based video dropouts in one or more fields associated with various video frames is provided. A current field is divided into a plurality of blocks. A set of activity blocks is identified from the plurality of blocks. The activity blocks are then processed to... Agent: Interra Systems Inc.

20140233651 - Moving picture coding device, moving picture coding method, moving picture coding program, transmitting device, transmitting method and transmitting program, and moving picture decoding device, moving picture decoding method, moving picture decoding progr: A prediction information derivation unit derives inter prediction information candidates from inter prediction information of coded prediction blocks neighboring a prediction block subject to coding within the same picture as the prediction block subject to coding and inter prediction information of a prediction block in a coded picture that is... Agent: Jvc Kenwood Corporation

20140233652 - Scalable multi-thread video decoding: Decoding tasks are identified for decoding encoded video. Decoding tasks may include entropy decoding tasks, motion compensation tasks, inverse frequency transform tasks, inverse quantization tasks, intra decoding tasks, loop filtering tasks, or other tasks. Task dependencies are identified for the video decoding tasks. For example, one or more decoding tasks... Agent: Microsoft Corporation

20140233656 - Systems and methods for wavelet and channel-based high definition video encoding: A wavelet transform (WT) is applied to a data stream of high definition video frames, each comprising one or more data channels digitally representing the same image. A WT is applied to each channel. Visual-quality preserving data filters and data substitution techniques are selectively applied that typically lead to at... Agent: Exaimage Corporation

20140233657 - Vsb communication system: A VSB communication system comprises a VSB transmission system and a VSB reception system. The VSB transmission system multiplexes a coded MPEG data and a coded supplemental data having a null sequence inserted therein, with required multiplexing information included in a field synchronization signal or in a supplemental data according... Agent: Lg Electronics Inc.

20140233658 - Color conversion based on an hvs model: An encoder for encoding a video stream or an image is described herein. The encoder receives an input video stream and outputs an encoded video stream that can be decoded at a decoder to recover, at least approximately, an instance of the input video stream. The encoder includes an encoding... Agent: Eye Io, LLC

20140233659 - Efficient rounding for deblocking: The present disclosure relates to deblocking filtering which is applicable to smoothing the block boundaries in an image or video coding and decoding. In particular, the deblocking filtering is either strong or weak, wherein the clipping is performed differently in the strong filtering and the weak filtering.... Agent: Panasonic Corporation

20140233660 - Image processing device and method: Based on information about a quad-tree structure from an adaptive offset unit, a deblocking filter control unit determines whether the current region in a deblocking filtering process is at a boundary of the current region in an adaptive offset process. If the current region in the deblocking filtering process is... Agent: Sony Corporation

20140233661 - Multiple-input multiple-output (mimo) communication system: A multiple-input multiple-output (MIMO) capable system is contemplated. The communication system may include a signal processor configured to separate an input stream into multiple signal paths to facilitate simultaneous transport through a communication medium. The capability to simultaneously transmit multiples signal paths may be beneficial in order to maximize throughput... Agent:

20140233662 - A system and method for inferring schematic and topological properties of an electrical distribution grid: A system and method for inferring schematic and topological properties of an electrical distribution grid is provided. The system may include Remote Hubs, Subordinate Remotes, a Substation Receiver, and an associated Computing Platform and Concentrator. At least one intelligent edge transmitter, called a Remote Hub Edge Transmitter, may transmit messages... Agent: Power Tagging Technologies, Inc.

20140233663 - Method and apparatus of primary cell indication for enhanced control channel demodulation: Method and apparatus of primary cell indication for enhanced control channel demodulation method and apparatus are disclosed. Control information receiving method in a multi-distributed node system includes demodulating a first cell identification (ID) based on a synchronization signal (SS), demodulating information indicating a second cell ID based on a radio... Agent: Lg Electronics Inc.

20140233664 - System and method for orthogonal frequency division multiplexing-offset quadrature amplitude modulation: A method for performing orthogonal frequency division multiplexing (OFDM)/offset quantization amplitude modulation (OQAM) includes obtaining a data burst. The method includes performing weighted circularly convolved filtering modulation on the data burst to produce an output signal. The method further includes a first wireless device transmitting the output signal to a... Agent: Futurewei Technologies, Inc.

20140233665 - Communications terminal, and a method for selecting a transmit antenna for a transmission to a radio communications network: A communications terminal may include: a plurality of antennas; and a selection circuit configured to select at least one antenna of the plurality of antennas as a transmit antenna for a transmission to a radio communications network, wherein a selection of the transmit antenna may be based on a selection... Agent: Intel Mobile Communications Gmbh

20140233667 - Method and apparatus for supporting management actions for very high throughput in wireless communications: A method and apparatus may be used in Very High Throughput (VHT) Wireless Local Area Network (WLAN) management actions. Management action frames such as VHT Action frames may be used to implement VHT features in WLANs. Extensions to 802.11 Action frames may be used to support VHT features and provide... Agent: Interdigital Patent Holdings, Inc.

20140233666 - Multiple-input multiple-output (mimo) communication system: A multiple-input multiple-output (MIMO) capable system is contemplated. The communication system may include a signal processor configured to separate an input stream into multiple signal paths to facilitate simultaneous transport through a communication medium. The capability to simultaneously transmit multiples signal paths may be beneficial in order to maximize throughput... Agent:

20140233668 - Code forwarding and clock generation for transmitter repeaters: A repeater includes a clock-and-data recovery element and a phase interpolator to extract an embedded clock frequency from a data stream. The phase interpolator determine a frequency offset and sends such offset as phase interpolator codes to a filter and scaler. The filtered, scaled phase interpolator codes are used to... Agent: Lsi Corporation

20140233669 - Apparatus and method for interference cancellation in communication systems: A system that incorporates the subject disclosure may include, for example, determining channel gains for a group of transmitters based on transmitted training symbols; and performing analog time domain cancellation and digital time domain cancellation responsive to a determination that a total interference does not satisfy a threshold range of... Agent: At&t Intellectual Property I, Lp

20140233670 - Apparatus and method of differential iq frequency up-conversion: A balanced transmitter up-converts I and Q baseband signals directly from baseband-to-RF. The up-conversion process is sufficiently linear that no IF processing is required, even in communications applications that have stringent requirements on spectral growth. In operation, the balanced modulator sub-harmonically samples the I and Q baseband signals in a... Agent: Parkervision, Inc.

20140233672 - Multiple-input multiple-output (mimo) communication system: A multiple-input multiple-output (MIMO) capable system is contemplated. The communication system may include a signal processor configured to separate an input stream into multiple signal paths to facilitate simultaneous transport through a communication medium. The capability to simultaneously transmit multiples signal paths may be beneficial in order to maximize throughput... Agent:

20140233671 - Signal generation device: A device for generating a signal, including: a balun; and a circuit capable of summing up, on a first access terminal of the balun, currents representative of signals received on first input terminals of the device, and on a second access terminal of the balun, currents representative of signals received... Agent: Stmicroelectronics S.a.

20140233673 - Apparatus and method for communicating data over a communication channel: For some applications such as high-speed communication over short-reach links, the complexity and associated high latency provided by existing modulators may be unsuitable. According to an aspect, the present disclosure provides a modulator that can reduce latency for applications such as 400/1000 communication over copper cables or SMF. The modulator... Agent: Cortina Systems, Inc.

20140233674 - General phase perturbation method: A method for modifying a signal transmitted from a mobile communication device comprising perturbing a transmit diversity parameter from its nominal value by modulating the parameter with respect to the nominal value in alternating directions, receiving a feedback signal including feedback information relating to the modified signal as received at... Agent: Google Inc.

20140233675 - Circuit arrangement for compensating an attenuation occurring in an antenna signal connection between a mobile terminal and an antenna and compensation method for this purpose: A circuit arrangement (1) is described for compensating an attenuation (Ko, Ka, Ka1, Ka2) occurring in an antenna signal connection (2) between a mobile terminal (3) and an antenna (4) with at least one antenna signal amplifier (5a, 5b) in the antenna signal connection (2) and with a control unit... Agent: Bury Sp.z.o.o.

20140233676 - Control method and equipment for radio-frequency signal: The present invention describes a RF signal control method and device that changes the gain attenuation in real time and uses the changed gain attenuation to adjust the RF input signal. The RF signal control method and device also uses determined linear filter parameters for linearity improvement on the digital... Agent: Comba Telecom Systems (china) Ltd

20140233677 - Method and equipment for controlling radio-frequency signal: The present invention describes a RF signal control method and device that adjusts the first down-converter gain attenuation and uses the adjusted first down-converter gain attenuation to change the RF signal. The RF signal control method and device also uses a determined linear filter parameter to perform linearity improvement on... Agent: Comba Telecom Systems (china) Ltd

20140233678 - Multiple-input multiple-output (mimo) communication system: A multiple-input multiple-output (MIMO) capable system is contemplated. The communication system may include a signal processor configured to separate an input stream into multiple signal paths to facilitate simultaneous transport through a communication medium. The capability to simultaneously transmit multiples signal paths may be beneficial in order to maximize throughput... Agent:

20140233681 - Data processing apparatus and method for interleaving and deinterleaving data: A data processing apparatus is arranged to map input data symbols to be communicated onto a predetermined number of sub-carrier signals of Orthogonal Frequency Division Multiplexed OFDM symbols. The predetermined number of sub-carrier signals is determined in accordance with one of a plurality of operating modes and the input data... Agent: Sony Corporation

20140233680 - Map decoder having low latency and operation method of the same: Provided is a maximum a posteriori (MAP) decoder having a low latency and an operation method of the MAP decoder, including a branch metric calculation block to calculate a branch metric based on a received signal, a processor control block to demultiplex a received signal in a certain trellis section,... Agent: Electronics And Telecommunications Research Institute

20140233679 - Rceiver with reduced wake-up time: An auxiliary reduced power analog-to-digital converter (ADC) is provided for use during sleep periods of a receiver. The auxiliary ADC has a reduced dynamic range but sufficient accuracy to allow demodulation of signaling information contained in an input signal and to update control parameters used for synchronization and channel estimation.... Agent: Broadcom Corporation

20140233682 - Wireless communication apparatus and communication method: A wireless communication apparatus receiving a signal transmitted from multiple transmission antennas by multiple reception antennas, includes a rotational component removal unit to remove rotational components from a channel matrix representing a characteristic of a transmission path between the multiple transmission antennas and reception antennas, the channel matrix being generated... Agent: Fujitsu Limited

20140233683 - Reduced state sequence estimation with soft decision outputs: A receiver may be operable to receive an inter-symbol correlated (ISC) signal, and generate a plurality of soft decisions as to information carried in the ISC signal. The soft decisions may be generated using a reduced-state sequence estimation (RSSE) process. The RSSE process may be such that the number of... Agent: Magnacom Ltd.

20140233685 - Receiver compensation: A receiver compensation system and method to operate the receiver compensation system are disclosed. The compensation sensor system includes at least one receiver and at least one control loop. The method to operate the receiver compensation system is characterized in that the receiver is adjusted in its sensitivity by a... Agent: Elmos Semiconductor Ag

20140233684 - Sparse channel detection, estimation, and feedback: Most wireless channels are sparse, so sparse channel-based methods can be used for channel estimation and feedback with much better estimation accuracy and much lower feedback overhead. However, certain wireless channels can be non-sparse, for which sparse channel-based methods may cause degraded estimation quality and increased feedback overhead. Means of... Agent:

20140233686 - Device for removing partial discharge noise and method of diagnosing the same: There are provided a device for removing partial discharge noise and a method of diagnosing the same. The device includes a noise removing device configured to remove noise of a partial discharge signal using a reaction rate difference of signals when the partial discharge signal is generated, and output a... Agent: Korea Electric Power Corporation

  
08/14/2014 > 76 patent applications in 38 patent subcategories.

20140226696 - Embedded meta-carrier with code progression message reassembly: A method of embedding and transmitting a meta-data message in an original burst carrier signal for message reassembly comprising spreading a meta-carrier signal using a Direct Sequence Spread Spectrum (DSSS) spreading code having a Pseudo-Random Noise (PRN) spreading code sequence, the meta-carrier signal comprising one or more bits of meta-data... Agent: Comtech Ef Data Corp.

20140226697 - Data-on-supply repeater: This application discusses methods and apparatus for a data-on-supply repeater. In an example, a repeater can include a repeater circuit configured to receive a power signal at an input and to provide a representation of a received analog data signal at an output, a direction detector configured to receive the... Agent: Fairchild Semiconductor Corporation

20140226698 - Enhancement of the channel propagation matrix order and rank for a wireless channel: Enhancement of wireless Channel Order and rank (ECHO) systems and ECHO repeater devices for enhancement of a wireless propagation channel for point to point or point to multipoint radio configurations are disclosed. The enhancement may be used for MIMO communications channels. Aspects support a richer multipath environment to increase the... Agent: Cbf Networks, Inc.

20140226699 - Transmitter, relay, receiver, and cooperative communication system using network compress-and-forward scheme: A cooperative communication system is provided. The cooperative communication system includes a transmitter that generates a codeword from data blocks based on a long message encoding scheme, and multicasts a signal including the codeword; relays, each relay configured to receive the multicasted signal, encode the multicasted signal using a encoding... Agent: Samsung Electronics Co., Ltd.

20140226700 - Wireless transmission system, method for wirelessly transmitting a data stream between a transmitting apparatus and a recening apparatus, method for wirelessly recening a signal, transmitting apparatus for wirelessly transmitting a data stream and recenin: The present disclosure describes apparatuses, methods and systems for high-speed, capacitive wireless data transmission between electronic devices. A transmitting apparatus is coupled to a data stream and comprises a signal preparer and two transmitting terminals. The signal preparer provides a copy of the data stream to a first transmitting terminal... Agent:

20140226702 - 4tx codebook enhancement in lte: Channel state information (CSI) feedback in a wireless communication system is disclosed. A precoding matrix is generated for multi-antenna transmission based on precoding matrix indicator (PMI) feedback, wherein the PMI indicates a choice of precoding matrix derived from a matrix multiplication of two matrices from a first codebook and a... Agent:

20140226703 - Method and apparatus for recursively computing equalizer parameters for multiple-input multiple-output (mimo) wireless communication channels: A wireless receiver includes an input module, a channel module, an equalizer module, and a decoder module. The input module receives a message over a wireless communication channel. The message includes a plurality of training fields and first data. The first data includes user data perturbed by the channel. The... Agent: Marvell World Trade Ltd.

20140226701 - Re-configurable receiver architecture for cable transmission: A configurable transceiver and method of operation are disclosed that may dynamically switch between a direct-conversion mode and a direct-sampling mode based, at least in part, upon a frequency component of a receive and/or transmit signal. When in the direct-conversion mode, the transceiver may operate as a direct-conversion transceiver, and... Agent: Qualcomm Incorporated

20140226704 - System and method for data scrambling to reduce the crest factor in an ofdm waveform: A method is provided for reducing the peak power level in a combination of orthogonal frequency division multiplexed (OFDM) tones. The method is particularly effective when the information to be communicated is digital data consisting of long patterns of “1”s or “0”s. The digital data of the message is combined... Agent: At&t Mobility Ii LLC

20140226705 - Adaptive real-time control of de-emphasis level in a usb 3.0 signal conditioner based on incoming signal frequency range: An apparatus comprises a differential equalizer having: a) a first differential input, b) a second differential input, c) a first differential output, and d) a second differential output; a frequency detector coupled to the first and second differential inputs; an amplifier coupled to a first differential output and a second... Agent: Texas Instruments Incorporated

20140226706 - System and method for anticipatory receiver switching based on signal quality estimation: In various embodiments, a first and second complex multiplier may be configured to receive an input signal and provide a baseband I component signal and a baseband Q component signal, respectively. A first and second filter may be configured to filter the baseband I component signal and the baseband Q... Agent: Aviat U.s., Inc.

20140226707 - Offset and decision feedback equalization calibration: A decision feedback equalizer is calibrated to compensate for estimated inter-symbol interference in a received signal and offsets of sampling devices. The decision feedback equalizer is configured so that an output signal of a sampling circuit represents a comparison between an input signal and a reference of the sampling circuit... Agent: Rambus Inc.

20140226708 - Low power transmitter for generating pulse modulated signals: Described herein are an apparatus, system, and method for generating pulse modulated (PWM) signals. The apparatus (e.g., input-output transmitter) comprises: an edge detector to detect one of a rising or falling edges of a clock signal; a counter to count up or down in response to detecting one of the... Agent:

20140226709 - Method for generating a digital signal: A method is provided for generating a digital signal (DS) from an analog signal (IA, UA) generated by a frequency converter on the basis of pulse width modulation, wherein the digital signal corresponds to a mean value of the analog signal over a period of the pulse width modulation. The... Agent: Lenze Automation Gmbh

20140226710 - Transmitting apparatus, receiving apparatus, and transceiving method therefor: A transmitting apparatus includes a down-scaler configured to down-scale multimedia data; a first encoder configured to encode the down-scaled multimedia data; a first transmitter configured to transmit the encoded multimedia data through a first transmitting network; a decoder configured to decode the encoded multimedia data; an up-scaler configured to up-scale... Agent: Samsung Electronics Co., Ltd.

20140226712 - Image processing device and method: The present technique relates to an image processing device and method capable of performing an encoding process or a decoding process on an image at high speed. Similarly, arithmetic coding parameters arranged together in the syntax are subjected to a variable length (fixed length) decoding process together. Similarly, arithmetic coding... Agent: Sony Corporation

20140226713 - System and method for selecting a video encoding format based on feedback data: A computer-implemented system and method for performing video compression are described. For example, a method according to one embodiment comprises: encoding a plurality of video frames or portions thereof according to a first encoding format; transmitting the plurality of encoded video frames or portions to a client device; receiving feedback... Agent:

20140226711 - System and method for self-adaptive streaming of multimedia content: The embodiment provides a method for transmitting optimal video over a network channel. The method includes coding a video into a plurality of frames, estimating bandwidth associated with the network channel, and determining whether the estimated bandwidth associated with the network channel reaches a bandwidth threshold. Further, the method includes... Agent:

20140226715 - Image processing device and method: The present disclosure relates to an image processing device and a method for enabling coding processing and decoding processing more efficiently. An image processing device of the present disclosure includes a coding-unit setting unit configured to set a size of a coding unit indicating granularity of a slice border to... Agent: Sony Corporation

20140226714 - Method and apparatus for coding image information, method and apparatus for decoding image information,method and apparatus for coding and decoding image information, and system of coding and transmitting image information: A decoding method decodes a bit stream in an image decoding apparatus. The method includes receiving a weight parameter that is added to a luma quantization parameter as the bit stream. The method also includes decoding, in a decoding unit in the image decoding apparatus, the bit stream, and generating... Agent: Sony Corporation

20140226719 - Image decoding device, image decoding method, and image encoding device: To achieve a reduction in the amount of coding taken in the use of an asymmetric partition and to implement efficient encoding/decoding processes exploiting the characteristics of the asymmetric partition. In a case that a CU information decoding unit decodes information for specifying an asymmetric partition (AMP; Asymmetric Motion Partition)... Agent: Sharp Kabushiki Kaisha

20140226717 - Method for intra prediction and device therefor: A method for intra prediction comprises determining a first MPM candidate corresponding to a left-side candidate block on the basis of a position of the left-side candidate block adjacent to a left side of a current block; determining a second MPM candidate corresponding to an upper-end candidate block on the... Agent: Lg Electronics Inc.

20140226716 - Motion video predict coding method, motion video predict coding device, motion video predict coding program, motion video predict decoding method, motion predict decoding device, and motion video predict decoding program: A video predictive coding system includes a video predictive encoding device having: an input circuit to receive pictures constituting a video sequence; an encoding circuit which conducts predictive coding of a target picture using, as reference pictures, pictures encoded and reconstructed in the past, to generate compressed picture data; a... Agent: Ntt Docomo, Inc

20140226718 - Motion-compensated prediction of inter-layer residuals: Techniques and tools are described for scalable video encoding and decoding. In some embodiments, an encoding tool encodes base layer video and outputs encoded base layer video in a base layer bit stream. The encoding tool encodes inter-layer residual video (representing differences between input video and reconstructed base layer video)... Agent: Microsoft Corporation

20140226720 - Method and apparatus for image decoding: An image decoding method is provided which includes reconstructing an intra prediction mode group indicator and a prediction mode index of a current block, constructing a first group using valid intra prediction modes of left and top blocks, and determining the intra prediction mode corresponding to the prediction mode index... Agent: Intercode Pte. Ltd.

20140226721 - Repositioning of prediction residual blocks in video coding: Techniques are described for coding residual data of a prediction residual block in either a lossy or lossless coding mode, in which a transform is skipped or bypassed. The techniques of this disclosure include determining whether to reposition, e.g., rotate or flip, residual data of a residual block prior to... Agent: Qualcomm Incorporated

20140226722 - Label based approach for video encoding: Disclosed is an approach for encoding a current video frame that includes labeling points/regions for the current video frame using graphics information for the current video frame, matching the points/regions of the current video frame with points/regions of a previous video frame using the labels for the points/regions of the... Agent: Ciinow, Inc.

20140226723 - High speed scalable video coding device and method using multi-track video: The present invention relates to a high speed scalable video coding device and method using a multi-track video, and the scalable video encoding device comprises: a video array unit for arraying a multi-track video in a plurality of layers according to a set standard; a bit stream analyzing unit for... Agent: Sk Planet Co., Ltd.

20140226726 - Image processing device and method, program, and recording medium: A motion predicting unit detects, from a criteria image and a reference image, the motion vector of each of blocks constituting an image. A motion compensating unit generates a motion-compensated image by performing motion compensation on the reference image, using the motion vectors. A correction value calculating unit calculates a... Agent: Sony Corporation

20140226725 - Method and apparatus for derivation of spatial motion vector candidate and motion vector prediction candidate: An apparatus and method of deriving a motion vector predictor (MVP) for a current MV of a current block in Inter, Merge or Skip mode are disclosed based on motion vector (MV) attribute search. The system determines first MV attribute search comprising whether a given MV pointing to the target... Agent: Mediatek Inc.

20140226724 - System and method for the dynamic reduction of the entropy of a signal upstream to a data compression device: A system is proposed for dynamic reduction of the entropy of a signal upstream to a data compression device. The signal includes a set of successive frames. The system has a filtering decision module that provides a setpoint value of filtering and a filtering module that filters the signal according... Agent:

20140226728 - Apparatus and method for buffering context arrays referenced for performing entropy decoding upon multi-tile encoded picture and related entropy decoder: A buffering apparatus for buffering context arrays of a multi-tile encoded picture having a plurality of tiles includes a first buffer and a second buffer. The first buffer is arranged to buffer a first context array referenced for performing entropy decoding upon a first tile of the multi-tile encoded picture.... Agent:

20140226727 - Memory management for video decoding: Techniques and tools described herein help manage memory efficiently during video decoding, especially when multiple video clips are concurrently decoded. For example, with clip-adaptive memory usage, a decoder determines first memory usage settings expected to be sufficient for decoding of a video clip. The decoder also determines second memory usage... Agent: Microsoft Corporation

20140226729 - Digital closed caption transport in standalone stream: A method and system for digital closed caption transport are provided. In one example, the method involves receiving closed caption data and a program feed having video content, embedding the closed caption data into a standard video syntax, and encoding the video content into the standard video syntax as a... Agent: Sony Corporation

20140226731 - Digital television system: A digital television system performing modulation/demodulation by VSB (vestigial side band) is provided. The invention includes a VSB transmitter including an additional error correction encoder designed such that a signal mapping of a TCM encoder is considered, a multiplexer (MUX), a TCM encoder operating in correspondence with state transition processes... Agent: Lg Electronics Inc.

20140226730 - Methods and systems for processing latticed time-skewed video streams: An apparatus for facilitating reception of multiple representations of a video signal. In one embodiment, the apparatus includes a mechanism for receiving plural representations of the video signal corresponding to plural decimated versions of the video signal, associating pictures of the received plural representations of the video signal, and outputting... Agent: Cisco Technology, Inc.

20140226733 - Powerline communication receiver and related methods: Aspects of the present disclosure are directed towards a circuit-based apparatus for receiving data communications over power distribution lines that carry power using alternating current (AC). The apparatus has a processing circuit that is configured and arranged to receive an input signal representing the data communications over power distribution lines.... Agent: Landis+gyr Technologies, LLC

20140226732 - Vehicular power line communication system and slave apparatus: In a master apparatus, a reference device generates a reference signal, a power feeding signal generation portion divides or multiples a frequency of the reference signal to generate a power feeding signal, a first communication carrier generation portion divides or multiples the frequency of the reference signal to generate a... Agent: Denso Corporation

20140226734 - Methods and systems for high bandwidth chip-to-chip communications interface: Systems and methods are described for transmitting data over physical channels to provide a high bandwidth, low latency interface between integrated circuit chips with low power utilization. Communication is performed using group signaling over multiple wires using a vector signaling code, where each wire carries a low-swing signal that may... Agent: Kandou Labs, S.a.

20140226736 - Remote radio unit (rru) and base band unit (bbu): A remote radio unit (RRU) in a radio base station system can include a cyclic prefix (CP) module having a CP adder for downlink channel processing includes a CP remover for uplink channel processing. The RRU can be configured to communicate with a base band unit (BBU) via a physical... Agent:

20140226737 - System and method for scrambling the phase of the carriers in a multicarrier communications system: A system and method that scrambles the phase characteristic of a carrier signal are described. The scrambling of the phase characteristic of each carrier signal includes associating a value with each carrier signal and computing a phase shift for each carrier signal based on the value associated with that carrier... Agent: Tq Delta, LLC

20140226735 - Systems and methods for hsdpa multi-user mimo operation: Methods and systems for enabling MU-MIMO functions on a UE are disclosed. A precoder codebook with precoding matrices can be generated to assist in improving system throughput. Existing specifications designed for two bit precoding information can be used to communicate higher numbers of bits of precoding information by reinterpreting fields... Agent: Interdigital Patent Holdings, Inc.

20140226738 - Systems and methods for reducing effects of local oscillator leakage: According to some embodiments, a receiving device: receives a radio frequency (RF) signal from a transmitting device over a wireless channel; performs a channel estimation of the wireless channel based on the RF signal; obtains a direct current (DC) bin measurement based on the channel estimation; determines a direct current... Agent: Aviat U.s., Inc.

20140226744 - Communication channel optimization systems and methods in multi-user communication systems: Systems and methods of optimizing communication channels in multi-user communication systems are provided. Coding weights are determined based on communication channel state information for communication channels between a transmitter and multiple receivers. The coding weights are applied to communication signals to be transmitted from the transmitter to the receivers. Each... Agent: Apple Inc.

20140226741 - Implementing multi user multiple input multiple output (mu mimo) base station using single-user (su) mimo co-located base stations: A system that implements multi user multiple inputs multiple outputs (MU MIMO) base station using a plurality of co-located single-user (SU) MIMO base stations is provided herein. The system may include a number N co-located single-user multiple input multiple output (SU-MIMO) bases stations each having a number K MIMO rank,... Agent: Magnolia Broadband Inc.

20140226746 - Method and apparatus for reporting channel state information in a wireless communication system: The present invention relates to a wireless communication system, and more particularly, to a method and apparatus for reporting channel state information. A method in which a terminal reports control state information (CSI) in a wireless communication system according to an embodiment of the present invention comprises: a step of... Agent:

20140226740 - Multi-beam co-channel wi-fi access point: A system and method for providing multi-beam Wi-Fi access points. The system includes one or more Wi-Fi transmit antennas beamformers; one or more Wi-Fi receive antennas or receive beamformers; and a number N of co-channel Wi-Fi access points (APs) and a number of M non co-channel APS, where all APs... Agent: Magnolia Broadband Inc.

20140226745 - Multi-user multiple input multiple output wireless communications: A method implemented in a user equipment used in a multi-user multiple input multiple output (MU-MIMO) wireless communications system is disclosed. The method includes receiving from a base station an indication of a first modulation type for the user equipment, receiving a first data signal for the user equipment, receiving... Agent: Nec Laboratories America, Inc.

20140226743 - Optimum interleaver design for a communication system: In a method for determining interleaver parameters for a multiple input multiple output (MIMO) communication system, maximum average distance for a plurality of adjacent spatial streams for a plurality of system configurations is determined. An interleaver parameter set for the plurality of system configurations is determined based on the determined... Agent: Marvell World Trade Ltd.

20140226739 - Pre-coder selection based on resource block grouping: The present invention provides a receiver. In one embodiment, the receiver includes a receive portion employing transmission signals from a transmitter having multiple antennas and capable of providing channel estimates. The receiver also includes a feedback generator portion configured to provide to the transmitter a pre-coder selection for data transmission... Agent: Texas Instruments Incorporated

20140226742 - Wireless communication apparatus, wireless communication system and wireless communication method: In a MIMO system using a cross-polarized antenna structure, even if no ideal XPD can be obtained, the interference between different polarized waves can be reduced to allow an effective precoding to be executed. When a MIMO communication is performed between a transmitter and a receiver each using a cross-polarized... Agent: Panasonic Corporation

20140226747 - Communication system and method with papr and backoff configured for equilibrium: A communication system (20) includes a transmitter (22) having a peak controller (38) which controls PAPR to operate in accordance with a noise constraint. A backoff controller (60) operates in conjunction with an amplifier section (46) to cause the amplifier section (46) to maximize the amplification it applies while maintaining... Agent: Crestcom, Inc.

20140226750 - Channel estimation for wireless systems without matrix inversion: In various embodiments, techniques are provided to determine channel characteristics of various communication systems such as OFDM systems or systems using a plurality of transmit antennas by using various sets of training symbols that produce zero cross-correlation energy. Channel communication can accordingly be simplified as the zero cross-correlation property allows... Agent: At&t Intellectual Property Ii, L.p.

20140226748 - Power tracker for multiple transmit signals sent simultaneously: Techniques for generating a power tracking supply voltage for a circuit (e.g., a power amplifier) are disclosed. The circuit may process multiple transmit signals being sent simultaneously on multiple carriers at different frequencies. In one exemplary design, an apparatus includes a power tracker and a power supply generator. The power... Agent: Qualcomm Incorporated

20140226749 - Reduced wiring requirements with signal slope manipulation: A method includes manipulating at least one electric signal received from one or more electronic components to provide a slope substantially proportional to a discrete integer data value of n discrete integer data values, n being a positive integer greater than or equal to 3, said discrete integer data value... Agent: International Business Machines Corporation

20140226751 - Method, system, and apparatus for balanced frequency up-conversion of a baseband signal: A balanced transmitter up-converts a baseband signal directly from baseband-to-RF. The up-conversion process is sufficiently linear that no IF processing is required, even in communications applications that have stringent requirements on spectral growth. In operation, the balanced modulator sub-harmonically samples the baseband signal in a balanced and differential manner, resulting... Agent: Parkervision, Inc.

20140226752 - Satellite broadcasting and communication transmitting apparatus and method for broadband satellite and communication service: Provided is a satellite broadcasting and communication transmitting apparatus and method for a broadband satellite broadcasting and communication service, including a forward error correction (FEC) encoder to generate an FEC frame, a bit mapping framer to perform bit mapping on the generated FEC frame, and a predistorter to predistort the... Agent: Electronics And Telecommunications Research Institute

20140226753 - Method and system for mitigating transformer saturation in a communication interface: A method and system for mitigating transformer saturation in a communication interface is provided. The method may include detecting a change in impedance resulting from transformer saturation of at least one isolation transformer utilized in a network path of a network. The network may conform to an IEEE 802.3af specification... Agent: Broadcom Corporation

20140226755 - Apparatus for transmitting and receiving a signal and method of transmitting and receiving a signal: The present invention relates to a method of transmitting and receiving signals and a corresponding apparatus. One aspect of the present invention relates to a method of receiving a signal, which includes interleaving in an appropriate manner for a channel bonding system. The interleaving can allow decoding a user requested... Agent: Lg Electronics Inc.

20140226754 - Transmission method for dual digital signal through single antenna, transmitter for dual digital signal through single antenna and receiving method for dual digital signal through single antenna: Disclosed is a method of transmitting dual digital signals through a single antenna. The method includes receiving, by a transmitter, a first data stream and a second data stream which use the same carrier frequency, modulating, by the transmitter, each of the first data stream and the second data stream,... Agent: Gct Semiconductor, Inc.

20140226756 - Method and apparatus for modifying a complex-valued signal, and mobile communication device: A method and an apparatus for modifying a complex-valued signal are described, the complex-valued signal representing a first symbol and a second symbol. A signal trajectory of the complex-valued signal between the first and second symbols is determined, and, if the signal trajectory passes nearby the constellation origin, the signal... Agent:

20140226758 - Communication apparatus, communication state detecting method, and communication state detecting program: A packet interval (a time difference between sequentially received packets) in a certain previous time is calculated and a cumulative distribution function of the calculated packet interval is obtained. Meanwhile, a function value-corresponding to-flow end that is a boundary value of the cumulative distribution function to be considered as a... Agent: Nec Communication Systems, Ltd

20140226757 - Transmitter and method for transmitting data block in wireless communication system: Provided are a transmitter and a method for transmitting a data block in a wireless communication system. The method comprises the following steps: encoding an information bit and generating a block coded with an NCBPSS bit; generating two sub-blocks by parsing the coded block; and transmitting the two sub-blocks to... Agent: Electronics And Telecommunications Research Institute

20140226759 - Second-order input intercept point (iip2) calibration method of a mixer in a wireless communication system and the mixer using the same: A mixer included in a receiver of a wireless communication system is provided. The mixer includes a switching unit including a plurality of transistors receiving a Radio Frequency (RF) signal and a Local Oscillation (LO) signal, and outputting a baseband signal, and a voltage controller outputting a voltage control signal... Agent: Samsung Electronics Co., Ltd.

20140226760 - Method of demodulating modulation signals: A method of generating modulation signals is disclosed including generally three steps. A plurality of modulation signals are generated, each of which is to be transmitted from a different one of a plurality of antennas in an identical frequency band, wherein each modulation signal includes a pilot symbol sequence including... Agent: Panasonic Corporation

20140226763 - Method for operating a vehicle-side receiver device of a train control system and vehicle-side receiver device: A particularly powerful method is used for operating a vehicle-side receiver device of a train control system. In this context, the method proceeds in a way that at least one signal which is encoded by modulation is received by the receiver device via at least one track circuit. At least... Agent: Siemens Aktiengesellschaft

20140226762 - Multi-user mimo receiver and method for receiving data units over a wideband channel: A multiple-input multiple output (MIMO) receiver includes circuitry to receive a MIMO transmission through a plurality of antennas over a channel comprising two or more 20 MHz portions of bandwidth. The MIMO transmission comprises a plurality of streams, each transmitted over a corresponding spatial channel and configured for reception by... Agent:

20140226761 - Reference signal for a control channel in wireless communication network: A wireless communication terminal receives a first set of pilot signal resource elements and control information in spatial layers in a first resource block in a subframe and a second set of pilot signal resource elements and data in spatial layers in a second resource block in the subframe, wherein... Agent: Motorola Mobility LLC

20140226766 - Apparatus and method for decoding maximum a posteriori: A maximum a posteriori (MAP) decoding apparatus and method are provided, which select a path having a maximum value without calculating all path metrics by generating metric difference vectors based on generated tables, calculating metrics of a path formed through a combination of a state and a branch each having... Agent: Electronics And Telecommunications Research Institute

20140226765 - Frame quality estimation during viterbi decoding: Methods and apparatus are disclosed for estimating a quality of a received data frame in a trellis decoder. The decoder utilizes a trellis diagram to depict the states and stages the decoder transitions through in search of a sequence of bits that closely resemble the received sequence. In the trellis... Agent:

20140226764 - Method and apparatus for performing wireless communications with aid of successive data processing in multiple iterations: A method for performing wireless communications and an associated apparatus are provided, where the method is applied to an electronic device. The method includes the steps of: receiving at least one data stream, wherein each data stream from the at least one data stream is transmitted from a wireless channel;... Agent: Mediatek Inc.

20140226767 - Time segment based software defined radio system: A modulated signal is demodulated to obtain a modulation signal. The modulated signal is contained within an input signal. A periodic time segment sequence is defined having a plurality of ordered time segments. Signal values are acquired, from the input signal, during each ordered time segment. Signal values acquired during... Agent:

20140226768 - Gain control in a communication channel: Methods and apparatuses for reducing DC offsets in a communication system are described. In a first aspect, a feedback loop circuit reduces DC offset in a wireless local area network (WLAN) receiver channel. The frequency response of the feedback loop circuit can be variable. In a second aspect, a circuit... Agent: Parkervision, Inc.

20140226769 - Quadrature impulse noise remover: A method and system for signal reception and processing, and more particularly for reducing the effects of random additive impulse interference is provided.... Agent: Topcon Positioning Systems, Inc.

20140226770 - Transmitter, receiver, method for transmitting and method for receiving: According to an embodiment, a transmitter is described comprising an input configured to receive a plurality of symbols to be transmitted and a timing circuit configured to associate each symbol with a symbol transmission period of a predefined sequence of symbol transmission periods, wherein the symbol transmission periods of the... Agent: Infineon Technologies Ag

20140226771 - Timing recovery circuit and receiver circuit including the same: A timing recovery circuit includes a clock generation circuit which generates clock signals having different periods in different modes, i.e., a first and a second operation mode, phase interpolation circuits each of which outputs a sample timing signal having a phase adjusted to fall between the phases of two clock... Agent: Panasonic Corporation

  
08/07/2014 > 90 patent applications in 36 patent subcategories.

20140219317 - Apparatus and method for memory resource allocation based on virtual minimum spreading factor: Methods for improving memory resource allocation at a base station of a wireless communications system, based on a virtual minimum spreading factor, may include computing a maximum traffic-to-pilot (T2P) power ratio for a UE, and sending a grant message to the UE specifying the maximum T2P power ratio. The base... Agent: Qualcomm Incorporated

20140219318 - Wireless communication system, control station apparatus and terminal apparatus: A control station apparatus comprising a transmitter that is configured to transmit, to a terminal apparatus, information indicating an allocation method for allocating frequency signals to a plurality of subcarriers, where the information indicates a communication scheme which is one of Single Carrier Frequency Division Multiple Access (SC-FDMA) scheme and... Agent: Sharp Kabushiki Kaisha

20140219319 - Signal processing method, connector, and memory storage device: A signal processing method, a connector and a memory storage device are provided. The signal processing method is for the connector which does not include a crystal oscillator. The signal processing method includes: receiving a first signal stream from a host system; tracking a transmission frequency of the first signal... Agent: Phison Electronics Corp.

20140219320 - Accumulating data values: An accumulation apparatus (230) for accumulating a number of data values comprises an adder (275) arranged, for each of the number of data values in turn, to add the data value to an adder sum present at an output (278) of the adder (275) for the preceding one of the... Agent: St-ericsson Sa

20140219322 - Interference suppressing ofdm system for wireless communications: An IS-OFDM system for point-to-point wireless communications that suppresses narrow-band interference comprises an IS-OFDM transmitter and an IS-OFDM receiver, wherein a transmitted signal comprises a plurality of subcarriers, and further wherein each subcarrier contains more than one and potentially all symbols transmitted in a given frame. The IS-OFDM transmitted signal... Agent: At&t Intellectual Property Ii, L.p.

20140219321 - Method and apparatus for packet acquisition: Certain aspects of the present disclosure relate to a method for acquisition of a received spread spectrum signal transmitted over a wired or wireless medium.... Agent: Adeptence LLC

20140219323 - Bus communication transceiver: A bus communication transceiver measures a delay time in response to a rising time of a signal and adjusts a falling waveform of the same signal based on the measurement result. A signal waveform, especially, a duty ratio can be adjusted in a predetermined standard range. Also, the bus communication... Agent: Renesas Electronics Corporation

20140219325 - Method and module for estimating frequency bias in a digital-telecommunications system: The invention relates to a method for estimating frequency bias negatively affecting a digital signal representative of a symbol frame, wherein said method comprises the steps of: generating the digital signal at a sampling period Te that is shorter than a predefined period of each of the symbols of the... Agent: Sigfox

20140219324 - Orthogonal frequency division multiplex (ofdm) demodulator with improved cyclic ambiguity resolution: A system according to one embodiment includes a demodulator configured to receive an OFDM modulated signal over a channel, the signal including a sequence of symbols, each of the symbols including one or more pilot carriers and one or more data carriers; a time filtering and interpolation circuit coupled to... Agent:

20140219326 - Method and device for reporting channel state information in wireless communication system: The present invention relates to a wireless communication system, and more specifically, to a method and a device for reporting channel state information. According to one embodiment of the present invention, a method for allowing a terminal to report channel state information (CSI) in a wireless communication system comprises the... Agent: Lg Electronics Inc.

20140219328 - Equalization processing apparatus, wireless communication terminal, and equalization processing method: An equalization processing apparatus includes a correlation matrix generating unit. The correlation matrix generating unit calculates a correlation value between a plurality of paths of a received signal coming from the paths based on a correlation pattern selected from a plurality of correlation patterns indicating combinations of the numbers of... Agent: Fujitsu Limited

20140219327 - Systems and methods for blind mode adaptive equalization with multiple algorithms: Various embodiments described herein are directed to methods and systems for blind mode adaptive equalizer system to recover complex valued data symbols from the signal transmitted over time-varying dispersive diversity wireless channels. For example, various embodiments may utilize an architecture comprised of a bank of estimation units, a normalizing gain... Agent:

20140219329 - Low power long range transmitter: A transmitter device arranged to encode a set of digital input data into a succession of modulated chirps, whereby said digital input data are encoded according to a Gray code into codewords (320, 321, 322) having a plurality of bits, and having an interleaver that distributes the bits (C00, .... Agent:

20140219333 - Adaptive filtering for scalable video coding: In a scalable video codec, an adaptive Wiener filter with offset aims to minimize the differences between two input pictures or picture regions, and the filter coefficients need to be transmitted to decoder site.... Agent:

20140219331 - Apparatuses and methods for performing joint rate-distortion optimization of prediction mode: Examples of apparatuses and methods for performing a joint RD optimization operation are described herein. A method may include successively encoding a macroblock using a plurality of coding modes. The method may further include determining a corresponding rate-distortion cost to encode the macroblock based on a corresponding coding mode of... Agent: Magnum Semiconductor, Inc.

20140219334 - Image decoding apparatus: Therefore, by causing the first group to include modes having a high possibility of being equal to the prediction mode of the current block and determining the intra prediction mode group indicator and the prediction mode index, it is possible to reduce an amount of information of the intra prediction... Agent: Intercode Pte. Ltd.

20140219335 - Method and apparatus for entropy encoding using hierarchical data unit, and method and apparatus for decoding: Provided are video encoding and decoding methods and apparatuses. The video encoding method includes: encoding a video based on data units having a hierarchical structure; determining a context model used for entropy encoding a syntax element of a data unit based on at least one piece of additional information of... Agent: Samsung Electronics Co., Ltd.

20140219336 - Method and apparatus for intra prediction: Disclosed herein are a method and apparatus for filtering a reference pixel. A method of smoothing a reference pixel may include determining whether or not to perform smoothing on a reference pixel based on the size of a transform block and information about an intra-prediction mode for the transform block... Agent: Research & Business Foundation Sungkyunkwan University

20140219330 - Method and system for encoding collections of images and videos: An input segment of an input video is encoded by first extracting and storing, for each segment of previously encoded videos, a set of reference features. The set of input features are matched with each set of the reference features to produce a set of scores. The reference segments having... Agent: Mitsubishi Electric Research Laboratories, Inc

20140219337 - Method for encoding and decoding images based on constrained offset compensation and loop filter, and apparatus therefor: Provided are a method and apparatus for encoding and decoding images based on constrained offset compensation and a loop filter. The image decoding apparatus: receives, from an encoder, a first indicator indicating whether a sequence, a picture, a frame, a slice, a coding unit (CU), a prediction unit (PU), and/or... Agent: Electronics And Telecommunications Research Institute

20140219338 - Moving picture encoding method, moving picture encoding apparatus, moving picture decoding method, and moving picture decoding apparatus: Provided is a moving picture encoding apparatus and a moving picture decoding apparatus which make it possible to increase decoding efficiency. A spatially scalable-multiview moving picture encoding apparatus includes: a base layer encoder which encodes a base layer; an enhancement layer encoder which performs spatially scalable encoding on an enhancement... Agent:

20140219332 - Virtual field buffer based decoding: Aspects of virtual field buffer based decoding are described. In one embodiment, a current picture field is read from a coded picture buffer comprising coded pictures of video, for example. The current picture may be associated with a top or bottom field polarity. According to decoding and picture output orders,... Agent: Broadcom Corporation

20140219339 - Imaging decoding apparatus: An image decoding device is provided which includes an intra prediction module for reconstructing an intra prediction mode and creating a prediction block of a current block or a sub block, an inverse scanning module for converting residual signals into a quantization block, an inverse quantization module for inversely quantizing... Agent: Intercode Pte. Ltd.

20140219340 - Recording medium having recorded thereon coded information using plus and/or minus rounding of images: Medium having decoding program effecting: extracting motion vector information, quantized DCT coefficients, and rounding method information from input information to be decoded; dequantizing quantized DCT coefficients to obtain DCT coefficients; performing inverse DCT conversion on the DCT coefficients to obtain an error image; synthesizing a prediction image of a currently... Agent: Hitachi, Ltd.

20140219341 - Recording medium having recorded thereon coded information using plus and/or minus rounding of images: Medium having image decoding program effecting: extracting motion vector information, quantized DCT coefficients, and rounding method information from input information; dequantizing quantized DCT coefficients to DCT coefficients; performing inverse DCT conversion on the DCT coefficients to an error image; synthesizing a prediction image of a currently decoded image by performing... Agent: Hitachi, Ltd.

20140219347 - Cross-channel residual prediction: Systems, apparatus and methods are described including determining a prediction residual for a channel of video data; and determining, using the first channel's prediction residual, a prediction residual for a second channel of the video data. Further, a prediction residual for a third channel of the video data may be... Agent:

20140219344 - Method and apparatus for encoding intra prediction information: A method for encoding an intra prediction mode according to the present invention selects an intra prediction mode for a current block, determines the number of valid MPM candidates by checking the validity of MPM candidates of the current block, and if the number of valid MPM candidates is less... Agent: Intercode Pte. Ltd.

20140219343 - Method and apparatus for generating reconstructed block: A reconstructed block creating method is provided which includes decoding an intra prediction mode using an intra prediction mode group indicator and a prediction mode index, constructing a prediction block, inversely quantizing a received residual signal using a quantization parameter and adaptively inversely transforming the residual signal using the intra... Agent: Intercode Pte. Ltd.

20140219345 - Method and apparatus for image encoding with intra prediction mode: A method for encoding an intra prediction mode according to the present invention selects an intra prediction mode for a current block, determines the number of valid MPM candidates by checking the validity of MPM candidates of the current block, and if the number of valid MPM candidates is less... Agent: Intercode Pte. Ltd.

20140219346 - Method and apparatus for video coding and decoding: Various methods, apparatuses and computer program products for video encoding and decoding. In some embodiments a first picture having a first resolution on a first layer is encoded without inter-layer prediction; a second picture having a second resolution on a second layer is encoded without inter-layer prediction; a third picture... Agent: Nokia Corporation

20140219342 - Mode decision simplification for intra prediction: In general, techniques are described for reducing the complexity of mode selection when selecting from multiple, different prediction modes. A video coding device comprising a processor may perform the techniques. The processor may compute approximate costs for a pre-defined set of intra-prediction modes identified in a current set. The current... Agent: Qualcomm Incorporated

20140219348 - Moving image encoding apparatus, control method thereof and computer program: A filter intensity calculated in accordance with the image quality deterioration degree between an original image and locally decoded image is corrected in accordance with pattern information of the locally decoded image, and deblocking filter processing is performed by using the corrected filter intensity. The deblocking filter processing is performed... Agent:

20140219349 - Intra prediction mode decision with reduced storage: In general, techniques are described for reducing the space required to store rate distortion values when selecting from multiple, different prediction modes. A video coding device comprising a processor may perform the techniques. The processor may determine first and second sets of intra-prediction modes for a current block of video... Agent: Qualcomm Incorporated

20140219350 - Method and device for estimating video quality on bitstream level: A method for estimating video quality on bit-stream level, wherein the video quality refers to a video after error concealment and the method is performed on bit-stream level before said error concealment, comprises extracting and/or calculating a plurality of global condition features from a video bit-stream, extracting and/or calculating a... Agent: Thomson Licensing

20140219351 - Recording medium having recorded thereon coded information using plus and/or minus rounding of images: Medium with image decoding program effecting: extracting motion vector information, quantized DCT coefficients, and rounding method information from input information; dequantizing quantized DCT coefficients to obtain DCT coefficients; performing inverse DCT conversion on DCT coefficients to obtain an error image; synthesizing a prediction image of a currently decoded image by... Agent: Hitachi, Ltd.

20140219352 - Recording medium having recorded thereon coded information using plus and/or minus rounding of images: Medium with image decoding program effecting: extracting motion vector information, quantized DCT coefficients, and rounding method information from input information; dequantizing quantized DCT coefficients to obtain DCT coefficients; performing inverse DCT conversion to obtain an error image; synthesizing a prediction image of a currently decoded image by performing motion compensation... Agent: Hitachi, Ltd.

20140219353 - Recording medium having recorded thereon coded information using plus and/or minus rounding of images: Medium with image decoding program effecting: extracting motion vector information, quantized DCT coefficients, and rounding method information from input information; dequantizing quantized DCT coefficients to DCT coefficients; performing inverse DCT conversion to an error image; synthesizing a prediction image of a currently decoded image by performing motion compensation using motion... Agent: Hitachi, Ltd.

20140219357 - Method and apparatus for derivation of motion vector predictor candidate set: A method and apparatus for deriving a motion vector predictor (MVP) candidate set for a block are disclosed. Embodiments according to the present invention generate a complete full MVP candidate set based on the redundancy-removed MVP candidate set if one or more redundant MVP candidates exist. In one embodiment, the... Agent: Mediatek Inc.

20140219354 - Methods, systems, and computer program products for assessing a macroblock candidate for conversion to a skipped macroblock: A sequence of encoded data associated with a block of video is assessed to determine if: quantized coefficients of transformed residual pixel data associated with the block are equal to zero, the block was encoded using a temporal compression process, a slice that includes the block is configured to be... Agent:

20140219355 - Motion estimation device: A motion estimation device that reduces computational complexity while maintaining high prediction performance includes: block search means searching for a reference block that most approximates a prediction target block within a search range in a past direction frame F (−) or in a future direction frame F (+); search center... Agent: Semiconductor Technology Academic Research Center

20140219356 - Picture coding device, picture coding method, picture coding program, picture decoding device, picture decoding method, and picture decoding program: In a first inter-image prediction mode in which information on a motion vector is used, a first mode detection unit constructs a first candidate list from a plurality of reference block candidates based on a first predetermined order, assigns indices for designating reference block candidates added in the first candidate... Agent: Jvc Kenwood Corporation

20140219358 - Recording medium having recorded thereon coded information using plus and/or minus rounding of images: Medium having image decoding program effecting: extracting motion vector information, quantized DCT coefficients, and rounding method information from input information; dequantizing quantized DCT coefficients to DCT coefficients; performing inverse DCT conversion on the DCT coefficients to an error image; synthesizing a prediction image of a currently decoded image by performing... Agent: Hitachi, Ltd.

20140219359 - Recording medium having recorded thereon coded information using plus and/or minus rounding of images: Medium having image decoding program effecting: extracting motion vector information, quantized DCT coefficients, and rounding method information; dequantizing quantized DCT coefficients to DCT coefficients; performing inverse DCT conversion on the DCT coefficients to an error image; synthesizing a prediction image of a currently decoded image via motion compensation using motion... Agent: Hitachi, Ltd.

20140219360 - Recording medium having recorded thereon coded information using plus and/or minus rounding of images: Medium having image decoding program effecting: extracting motion vector information, quantized DCT coefficients, and rounding method information; dequantizing quantized DCT coefficients to DCT coefficients; performing inverse DCT conversion on the DCT coefficients to an error image; synthesizing a prediction image of a currently decoded image via motion compensation using motion... Agent: Hitachi, Ltd.

20140219361 - Image data encoding for access by raster and by macroblock: Access encoding/decoding of image data has at least two preferred access modes, raster access and macroblock access. Arriving rasters containing pixels from an image sensor are converted to encoded macroblocks to support later random macroblock and raster access. Encoded macroblocks can be randomly accessed (read from or written to memory)... Agent: Samplify Systems, Inc.

20140219363 - Inter-layer syntax prediction control: An apparatus for coding video information according to certain aspects includes a memory unit and a processor in communication with the memory unit. The memory unit is configured to store video information associated with a base layer, an enhancement layer, or both. The processor is operationally coupled to the memory... Agent: Qualcomm Incorporated

20140219364 - Method and device for calculating distortion of a video being affected by compression artifacts and channel artifacts: In video quality control and estimation, the joint evaluation of compression artifacts and channel artifacts is a problem. The invention considers the joint perception of both a compression artifact level Dm(V) and a channel artifact level Dh(V) in a method for calculating overall distortion in a video being affected by... Agent: Thomson Licensing

20140219362 - Progressive scan video processing: A method and system for separating even and odd lines in a progressive video signal comprises generating from the even lines simulated odd lines, comparing the simulated odd lines with the original odd lines to obtain a support signal, and transmitting the even lines and the support signal in order... Agent: Faroudja Enterprises Inc.

20140219365 - Block error compensating apparatus of image frame and method thereof: An apparatus and method are provided for compensating a block tutor in an image frame. This may include a video codec decoder for decoding an inputted image frame, and outputting a decoded image frame. An error concealment block may detect an error-generated block in the decoded image frame and compensate... Agent: Lg Electronics Inc.

20140219367 - Bidimensional bit-rate reduction processing: Methods and systems for bidimensional video processing comprise preprocessing the video signal in horizontal and vertical dimensions of the video signal to reduce an amount of information of the video signal by low pass filtering the video signal and removing pixels to obtain an information-reduced video signal; expanding the information-reduced... Agent: Faroudja Enterprises Inc.

20140219366 - Multidimensional video processing: A method and system for multidimensional video processing comprises preprocessing a video signal in at least two of horizontal, vertical and temporal dimensions of the video signal to reduce an amount of information of the video signal to obtain an information-reduced signal and filtered components that are separated from the... Agent: Faroudja Enterprises Inc.

20140219368 - Methods and apparatus for enabling and disabling scrambling of control symbols: Methods and apparatus for the selection and/or configuration of scrambling operations to accommodate e.g., both scrambling and non-scrambling connections (such as to e.g., legacy type devices). In one embodiment, media interface devices (such as e.g., HDMI (High-Definition Multimedia Interface)) devices may provide enhanced scrambling capabilities; solutions disclosed herein provide, among... Agent:

20140219369 - Power line communications signal aggregation and switch: A method, system, and devices are provided that create a network over existing power lines. Two or more modules can establish the network for two or more devices in communication with each other. The modules include components that register device(s) and determine the processing of the data signal being sent... Agent: Flextronics Ap, LLC

20140219372 - Arrangement and method for improving harq feedback in telecommunication systems: A method for execution on an apparatus configured to operate in a telecommunications network comprising a processor, wherein said processor is configured to execute said method, said method comprising encoding a plurality of uplink feedback information elements for carrier aggregation, by a set of codewords where each codeword comprises a... Agent: Huawei Technologies Co., Ltd.

20140219371 - Communication device and communication method: A modulator generates modulation signals from input signals. A combiner arranges subcarrier modulation signals based on the modulation signals in order thereby to generate a compound matrix. The shifter shifts elements of each row of the compound matrix to generate shift matrix. An IFFT calculator subjects the shift matrix to... Agent: Icom Incorporated

20140219370 - Signal processing in a cooperative ofdm communication system: A receiver for processing frequency division multiplexing (FDM) signals, the receiver includes a processor configured to: convert the FDM signals from at least two transmitters into frequency domain signals; determine a first component of the frequency domain signals, the first component of the frequency domain signals comprising a channel noise... Agent:

20140219377 - Channel estimation for a very large-scale multiple-input multiple-output (mimo) system: A transmitter, receiver, and method for channel estimation for a Multiple-Input Multiple-Output (MIMO) communication system in which the transmitter includes a multiplicity of transmit antennas spaced such that spacing between adjacent antennas provides a spatial correlation coefficient greater than a threshold level. The transmitter selects a subset of the multiplicity... Agent: Telefonaktiebolaget L M Ericsson (publ)

20140219374 - Efficient multiply-accumulate processor for software defined radio: A Fast Fourier Transform (FFT) context-based reconfigurable instruction set processor (CRISP) machine receives N data symbols. The FFT CRISP includes multiply-accumulate (MAC) blocks, each configured to generate two intermediate results of a butterfly algorithm by calculating complex products and sums using the received data symbols and twiddle factors. The FFT... Agent: Samsung Electronics Co., Ltd

20140219380 - Method and apparatus for transmitting precoding martrix index and performing precoding: A method and an apparatus for sending a Precoding Matrix Index (PMI) and performing precoding are provided in the embodiments of the present invention. The method for sending the PMI comprises the following steps: a user equipment acquires the transmission channel capability of carrying the PMI; according to the transmission... Agent: Huawei Technologies Co., Ltd.

20140219375 - Method and device for feeding back channel information: Disclosed are a method and device for feeding back channel state information. The method includes: generating a first codebook by using the number of antennae in each row of a planar antenna array; generating a second codebook by using the number of columns of the planar antenna array; and feeding... Agent:

20140219376 - Methods and systems for precoder selection assisted by demodulation reference signals (dm-rs): Systems and methods according to these exemplary embodiments provide for using demodulation reference signals (DM-RSs) to obtain channel state information (CSI) for precoder selection. A method includes: receiving a DM-RS in at least one subframe, determining the CSI from the DM-RS; and using the CSI to perform at least one... Agent: Telefonaktiebolaget L M Ericsson (publ)

20140219373 - Mixed rank downlink compound multi-user interference alignment scheme: A method, system and device are provided to enable one or more users to receive mixed-rank data from two transmitters by using an indexed list of linearly independent, predetermined vectors Vref={vref1, . . . , vrefM} and channel knowledge H1, H2 from first and second transmitters to compute equivalent channel... Agent: Research In Motion Limited

20140219379 - Precoding selection for retransmission in uplink mimo hybrid arq: A method implemented in a user terminal is disclosed. The method comprises obtaining known precoding matrix P of rank r and modulation and coding scheme assignments used in an original transmission, and a desired retransmission rank r′, forming an approximate channel covariance matrix, estimating a minimum mean square error receiver... Agent: Nec Laboratories America, Inc.

20140219381 - Wireless communication apparatus, wireless communication system and wireless communication method: In a MIMO system using a cross-polarized antenna structure, even if no ideal XPD can be obtained, the interference between different polarized waves can be reduced to allow an effective precoding to be executed. When a MIMO communication is performed between a transmitter and a receiver each using a cross-polarized... Agent: Panasonic Corporation

20140219378 - Wireless communication system, wireless communication apparatus, and wireless communication method: A wireless communication system is disclosed. The system performs data transmission from a first terminal including N antennas to a second terminal including M antennas using spatially multiplexed streams (N and M are integers larger than or equal to 2).... Agent: Sony Corporation

20140219384 - Digital modulator: To provide a digital modulator including: a signal adjuster (105) which is provided with a plurality of output lines, and which outputs, to the output line, which corresponds to a range to which a level of an input signal belongs, a signal of a level corresponding to the level of... Agent: Nec Corporation

20140219388 - Method and device for sending and receiving data: A method for sending data, a data sending device, a method for receiving data, and a data receiving device are provided. The method for sending data comprises: transmitting data bit 1 by a periodic wave with a period T1 and transmitting data bit 0 by a periodic wave with a... Agent: Tendyron Corporation

20140219387 - Method and system for combining ofdm and transformed ofdm: Methods and systems are provided that enable an OFDM transmitter to be used for transmitting conventional OFDM or a form of transformed OFDM. A technique is provided for transforming a coded and modulated sequence of samples prior to an IFFT that enables the transformed sequence of samples to be transmitted... Agent: Apple Inc.

20140219386 - Method for determining transport block size and signal transmission method using the same: A method for performing, by a first device, channel coding of data to be transmitted to a second device, the method includes: determining a size of a transport block for the data; attaching a first cyclic redundancy check (CRC) code to the transport block having the determined size to produce... Agent: Lg Electronics Inc.

20140219382 - Signal transmission circuit and method for detecting signal transmission interface: A signal transmission circuit of an electronic device is provided. The electronic device is coupled to a signal reception circuit of a host via the signal transmission circuit. The signal transmission circuit includes a driving circuit module and a signal detection module. The driving circuit module provides at least one... Agent: Phison Electronics Corp.

20140219383 - Transmission line address overlap detection system and substation terminal used in the system: A management data area including a plurality of pulsed signals is provided in a series of pulsed signals outputted from the main station to the common data signal line, the area being different from a control/monitoring data area including data of a control data signal and data of a monitoring... Agent: Mitsubishi Electric Corporation

20140219385 - Wireless communication system, wireless communication apparatus and wireless communication method: A wireless communication system which performs data transmission using spatially multiplexed streams from a first terminal including N antennas to a second terminal including M antennas (N is an integer of 2 or more and M is an integer of 1 or more) is disclosed. The system includes notifying means,... Agent: Sony Corporation

20140219390 - Multicarrier-signal receiving apparatus and multicarrier-signal transmitting apparatus: A multicarrier signal transmitting apparatus includes a rotation amount setting unit and a phase rotator. The rotation amount setting unit sets a phase rotation amount for each subcarrier of a plurality of subcarrier groups, where the phase rotation amount being set with a setting selected from a first setting being... Agent: Sharp Kabushiki Kaisha

20140219389 - Signal generating method and signal generating apparatus: A transmission method for simultaneously transmitting a first modulated signal and a second modulated signal at the same frequency includes performing precoding on both signals using a fixed precoding matrix and regularly changing the phase of at least one of the signals. In this method, the power ratio between a... Agent:

20140219391 - High dynamic range amam predistortion: A predistortion function is evaluated with in-phase (I) and quadrature (Q) data words as arguments, while additive I and Q data words are generated in accordance with a comparison of the I and Q data words with a full scale value that generates maximum current in a digital power amplifier.... Agent:

20140219392 - Method and device for acquiring multi-frequency band digital predistortion output signals: The present invention relates to the communications field, discloses a method and device for acquiring multi-frequency band digital predistortion (DPD) output signals, enables the result of DPD processing to compensate the intermodulation of multi-frequency band signal combinations after PA, and improves the ACLR of the signals after PA. Specifically, when... Agent:

20140219393 - Method for modulating navigation signal: The present invention provides a method for modulating a navigation signal, comprising: multiplying a data channel difference signal between upper and lower sidebands by a sine binary subcarrier to obtain an odd timeslot baseband signal of a branch Q, and multiplying a data channel sum signal of the upper and... Agent: Huazhong University Of Science And Technology

20140219394 - Receiver and transmitter receiver system: A receiver for receiving messages from a transmitter includes a controller and a driver stage for providing a supply voltage to the transmitter based on a control signal. The controller is configured to provide the control signal to compensate for changes of the supply voltage caused by a modulation of... Agent: Infineon Technologies Ag

20140219395 - System and method for transmtting and receiving signal with quasi-periodic pulse sequence: System and method are disclosed for synchronization of a transmitting device and a receiving device that communicate with each other via pulse modulation. The synchronization technique entails the transmitting device sending one or more quasi-periodic pulse sequences to the receiving device. A quasi-periodic pulse sequence is based on a substantially... Agent: Qualcomm Incorporated

20140219396 - Methods and qam receiver for performing timing recovery: A method in a QAM receiver (100) for performing timing recovery. The QAM receiver (100) is configured to receive a sequence of symbols. Each symbol is represented by a respective IQ pair comprising a respective inphase component I and a respective quadrature component Q. The QAM receiver (100) samples the... Agent: Telefonaktiebolaget L M Ericsson (publ)

20140219397 - System and method for frequency offset estimation for signals containing multi-user symbols: Systems and methods for frequency offset estimation are provided. A channel impulse response and multi-user signal parameter are jointly estimated. Based on the multi-user signal parameter, a determination is made as to whether the signal contains a single-user signal or a multi-user signal. Then, frequency offset estimation is performed based... Agent: Research In Motion Limited

20140219398 - Joint detector/ decoder devices and joint detection/ decoding methods: According to various embodiments, a joint detection/decoder device may be provided. The detector and decoder device may include: an input circuit configured to receive an input signal; a survivor splitting circuit configured to produce a plurality of survivors of a next instance based on at least one survivor of a... Agent:

20140219399 - Post conversion mixing: An input signal having at least one modulated signal is captured. At least four analog sample streams are generated from the input signal. Each analog sample stream is generated by sampling the input signal at a frequency substantially equal to the frequency at which each other analog sample stream is... Agent:

20140219400 - Software defined radio technique: A modulated signal is demodulated to obtain a modulation signal. The modulated signal is contained within an input signal. A periodic time segment sequence is defined having a plurality of ordered time segments. Signal values are acquired, from the input signal, during each ordered time segment. Signal values acquired during... Agent:

20140219403 - Apparatus and method for estimating channel effects: An apparatus for estimating channel effects is provided. A receiving module receives first data and first reference information arriving in a first time period, second data and second reference data arriving in a second time period, and third data and third reference data arriving in a third time period. An... Agent: Mstar Semiconductor, Inc.

20140219401 - Rfi mitigation via duty cycle control: Briefly, in accordance with one or more embodiments, a harmonic of a clock signal is determined that is expected to provide interference with an input of a radio-frequency (RF) receiver based at least in part on a frequency of the clock signal and one or more frequencies of operation of... Agent:

20140219402 - Wireless communication system with direct conversion mechanism and method of operation thereof: A method of operation of a wireless communication system includes: tuning a receiver front end for receiving a radio-frequency signal; correcting, with an in-phase/quadrature (I/Q) compensation module, an I/Q imbalance from the receiver front end including estimating by a linear minimum mean-square error (LMMSE) module; and processing by a base... Agent: Samsung Electronics Co., Ltd.

20140219404 - Implementing blind tuning in hybrid mimo rf beamforming systems: A system and a method for applying a blind tuning process to M antennas coupled via N beamformers to a multiple input multiple output (MIMO) receiving system having N channels, wherein M>N, are provided herein. The method includes the following steps: Periodically measuring channel fading rate at a baseband level... Agent: Magnolia Broadband Inc.

20140219405 - Delta-pi signal acquisition: Values representative of modulation signal components are extracted from a modulated signal. The modulated signal contains a modulation signal. A periodic time segment sequence is defined having at least four ordered time segments. Multiple sets of signal values are acquired from the modulated signal. For each signal value, a difference... Agent:

20140219406 - Clock data recovery circuit module and method for generating data recovery clock: A clock data recovery circuit module including a clock recovery circuit, a frequency comparison circuit and a signal detecting circuit is provided. The clock recovery circuit is configured to output a data recovery stream and a data recovery clock based on an input signal and a clock signal. The frequency... Agent: Phison Electronics Corp.

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