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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.
  
08/07/2014 > 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.

  
07/31/2014 > 90 patent applications in 36 patent subcategories.
  
07/24/2014 > 71 patent applications in 32 patent subcategories.

20140204977 - Method for determining the arrival time of a uwb pulse with a double quadrature receiver: The invention relates to a method of estimating the time of arrival of a UWB pulse contained in an RF signal using a double quadrature receiver. The time of arrival is obtained from an estimate of the phase of the RF signal ((φRF(τ))) relative to the local oscillator signal in... Agent: Commissariat A L'energie Atomique Et Aux Ene Alt

20140204979 - Telemetry multiple access protocol of a base station: 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 and a short-and-instant telemetry messaging (SIM) transmission on a third RF channel is operable to exchange data between a network and... Agent: Times Three Wireless Inc.

20140204978 - 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 and a short-and-instant telemetry messaging (SIM) transmission on a third RF channel is operable to exchange data between a network and... Agent: Times Three Wireless Inc.

20140204980 - 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 and a location tacking messaging (LOC) transmission on a third RF channel is operable to identify location between a network and... Agent: Times Three Wireless Inc.

20140204981 - Method for operating a uwb device: The method for operating a UWB device having at least one transmitting antenna and/or at least one receiving antenna comprises the following steps: controlling the transmitting antenna (12) or the receiving antenna (12′) with a control pulse signal (13,13′) having a sequence of substantially sinusoidal pulses of alternating polarity and... Agent:

20140204982 - Spreading sequence selection: A method for transmitting communications by a transmitter includes selecting a non-alternating spreading sequence, receiving bits for transmission, encoding the bits using the non-alternating spreading sequence to obtain encoded bits, and transmitting the encoded bits to a frequency shift key (FSK) receiver. A method for receiving communications by an FSK... Agent: Silver Spring Networks

20140204983 - Method and system of receiver parametric computation for multiple-input multiple-output (mimo) transmission: A method of calculating combining weight vectors associated with a received composite information signal comprising at least one data stream transmitted from at least a first antenna and a second antenna is disclosed. The method starts with computing a parametric estimate of an impairment covariance matrix including at least a... Agent: Telefonaktiebolaget L M Ericsson (publ)

20140204986 - Apparatus and method for correcting iq imbalance: a detection unit for detecting IQ mismatch in an IQ signal; an analog calibration module comprising a first analog calibration mechanism for calibrating IQ mismatch in the phase component and a second analog calibration mechanism for calibrating IQ mismatch in the amplitude component; and a control unit for determining a... Agent: Dsp Group, Ltd.

20140204984 - Apparatus for calculating weights associated with a received signal and applying the weights to transmit data: An apparatus for modulating transmit data and adding a cyclic prefix to the transmit data is provided. The apparatus comprises: transceiver hardware that is capable of receiving receive data utilizing multiple input channels and includes at least one first wireless element that is orthogonal frequency division multiplexing-capable, and at least... Agent: Comcast Cable Communications, LLC

20140204985 - Digital transceiver with switched capacitor sampling mixers and switched capacitor amplifiers: Examples of a digital transceiver, a switched-capacitor sampling mixer, and an N-stage switched-capacitor amplifier are generally described herein. The digital transceiver may include a plurality of switched-capacitor sampling mixers and a plurality of N-stage switched-capacitor amplifiers. Each mixer samples a received differential RF signal. The pair of N-stage switched-capacitor amplifiers... Agent:

20140204987 - System and method for determining channel loss in a dispersive communication channel at the nyquist frequency: The present invention includes receiving a signal from an output of a dispersive communication channel established between a transmitter and a receiver, determining normalized Nyquist energy of the signal transmitted along the dispersive communication channel established between the transmitter and the receiver, and generating a mapping table configured to identify... Agent: Lsi Corporation

20140204988 - Gated ring oscillator-based digital eye width monitor for high-speed i/o eye width measurement: A novel digital eye width monitor (DEWM) system and method are disclosed. The DEWM system provides on-die capability to directly measure the left and right eye-width in picoseconds. The DEWM system measures the time from the phase interpolator (PI) clock position (data eye center, left edge, right edge) to a... Agent:

20140204989 - Measuring i/q impairments from sampled complex signals: Systems and methods for measuring transmitter and/or receiver I/Q impairments are disclosed, including iterative methods for measuring transmitter I/Q impairments using shared local oscillators, iterative methods for measuring transmitter I/Q impairments using intentionally-offset local oscillators, and methods for measuring receiver I/Q impairments. Also disclosed are methods for computing I/Q impairments... Agent: National Instruments Corporation

20140204990 - Apparatus and system for switching equalization: Described herein is apparatus and system for switching equalization. The apparatus comprises a sampler to sample an input signal; and an attenuator, coupled to the sampler, with a hysteresis associated with the input signal, the hysteresis of the attenuator is configurable to cancel hysteresis of a communication channel coupled to... Agent:

20140204991 - Inter symbol interference reduction by applying turbo equalization mode: The present disclosure relates to a receiving node, and to a related method for determining when to apply a turbo equalization mode to compensate for Inter-Symbol Interference in a radio signal received over a radio channel from a transmitting node. The method comprises decoding the received radio signal into a... Agent: Telefonaktiebolaget L M Ericsson (publ)

20140204992 - Single carrier communication in dynamic fading channels: Briefly, in accordance with one or more embodiments, in response to receiving a single carrier signal that is not phase locked, channel equalization may be applied to the signal via a channel equalizer. The equalized signal may be phase averaged to provide a signal that is at least partially phase... Agent: Anchor Hill Communications, LLC

20140204993 - Method, apparatus and system for controlling carrier power amplifier of base station: A method, an apparatus, and a system for controlling a carrier Power Amplifier (PA) of a Base Station (BS) in a network communication field are disclosed. The method includes: obtaining power control information of the carrier PA at a next timeslot; and adjusting working voltage of the carrier PA at... Agent: Huawei Technologies Co., Ltd.

20140204994 - Auxiliary data encoding in video data: Embodiments of the invention are generally directed to character data encoding in video data. An embodiment of an apparatus includes a port for connection of the apparatus to a second apparatus; and a transmitter for the transmission of video data and auxiliary data to the second apparatus, wherein the apparatus... Agent: Silicon Image, Inc.

20140204996 - Adaptive noise reduction engine for streaming video: An adaptive video noise reduction (AVNR) engine reduces noise in streaming video. The engine reads embedded information in the streaming video describing attributes of the video, such as bit rate, frame rate, resolution, content type and quality of the streaming video. The information may be included in a manifest of... Agent: Microsoft Corporation

20140205001 - Adaptive weighting of reference pictures in video encoding: A video decoder, encoder, and corresponding methods for processing video data for an image block and a particular reference picture index to predict the image block are disclosed that utilize adaptive weighting of reference pictures to enhance video compression, where a decoder includes a reference picture weighting factor unit for... Agent:

20140204995 - Efficient region of interest detection: An apparatus having a circuit is disclosed. The circuit may be configured to (i) calculate a plurality of complexity values while compressing a current picture in a video signal. Each complexity value generally characterizes how a corresponding one of a plurality of blocks in the current picture was compressed. The... Agent: Lsi Corporation

20140204998 - Image encoding/decoding method and apparatus for same: According to the present invention, an image encoding/decoding method comprises the steps of: performing an intra prediction on a current block so as to generate a prediction block; performing filtering on a filtering target pixel in the prediction block on the basis of the intra prediction mode of the current... Agent: Electronics And Telecommunications Research Institute

20140205000 - Image encoding/decoding method and apparatus for same: According to the present invention, an image encoding/decoding method comprises the steps of: performing an intra prediction on a current block so as to generate a prediction block; performing filtering on a filtering target pixel in the prediction block on the basis of the intra prediction mode of the current... Agent: Electronics And Telecommunications Research Institute

20140204999 - Method and apparatus for encoding/decoding image information: The present invention relates to a deblocking filtering method, a method for inducing bs (boundary strength) therefor, and a method and an apparatus for encoding/decoding using the same. The method for inducing the bS of the present invention comprises the steps of: inducing a boundary of a deblocking filtering unit... Agent: Lg Electronics Inc.

20140204997 - Soft demapper, calculating system, and method for calibrating soft data of multimedia data stream: By determining a scaling factor for scaling signals according to a signal having low bit error rates, and by adjusting soft data using the scaling factor, when soft data are simulated using the Gaussian Model having obvious errors with respect to reality, impacts of signals having low bit error rates... Agent: Mstar Semiconductor, Inc.

20140205007 - Image processing devices and methods: The present technique relates to image processing devices and methods that enable quantization processes or inverse quantization processes more suited to the content of each image. An image processing device of the present disclosure includes: a quantization value setter that sets a quantization value of a depth image independently of... Agent: Sony Corporation

20140205003 - Method and apparatus for encoding video and method and apparatus for decoding video, based on hierarchical structure of coding unit: An apparatus and method for encoding video data and an apparatus and method for decoding video data are provided. The encoding method includes: splitting a current picture into at least one maximum coding unit; determining a coded depth to output an encoding result by encoding at least one split region... Agent: Samsung Electronics Co., Ltd.

20140205004 - Method and apparatus for encoding video and method and apparatus for decoding video, based on hierarchical structure of coding unit: An apparatus and method for encoding video data and an apparatus and method for decoding video data are provided. The encoding method includes: splitting a current picture into at least one maximum coding unit; determining a coded depth to output an encoding result by encoding at least one split region... Agent: Samsung Electronics Co., Ltd.

20140205005 - Method and apparatus for mpeg-2 to h.264 video transcoding: A method for transcoding from an MPEG-2 format to an H.264 format is disclosed. The method generally comprises the steps of (A) decoding an input video stream in the MPEG-2 format to generate a plurality of macroblocks; (B) determining a plurality of indicators from a pair of the macroblocks, the... Agent: Lsi Corporation

20140205006 - Super macro block based intra coding method and apparatus: Provided are technologies that may perform intra coding of a super macro block that is an enlarged macro block. In this case, the super macro block is handled as a single entity or may be divided into a plurality of macro blocks. The present invention may perform intra coding both... Agent: Electronics And Telecommunications Research Institute

20140205002 - Video processor with lossy and lossless frame buffer compression and methods for use therewith: A video processing device includes a video processing unit that decodes a video input signal into a decoded video signal in accordance with a video compression protocol, based on uncompressed video frame data. A data object compression/decompression module generates compressed video frame data for storage in a compressed video frame... Agent:

20140205010 - Arithmetic decoding device, image decoding apparatus and arithmetic decoding method: An arithmetic decoding device includes a calculating unit that calculates candidates for split information using probability information, the split information indicating a boundary between a first value range and a second value range in range information, the probability information indicating whether a next item of binary data takes the first... Agent: Panasonic Corporation

20140205011 - Method and an apparatus for encoding/decoding an image: The present invention relates to an intra prediction method for predicting pixel values within a prediction target block on the basis of a plurality of peripheral pixels adjacent to the prediction target block. The intra prediction method according to the present invention includes the steps of: receiving and decoding encoded... Agent: Lg Electronics Inc.

20140205009 - Method and apparatus for spatially scalable video compression and transmission: A method and apparatus provide the ability to resample video frame into various resolutions, and to predict, quantize, and entropy code the video signal for spatially scalable compression and networking applications. The solution involves a unified re-sampling and estimation-theoretic prediction, quantization, and entropy coding framework, which by design is tailored... Agent: The Regents Of The University Of California

20140205008 - Method for encoding and/or decoding images on macroblock level using intra-prediction: Conventional intra-prediction uses pixels from left and upper neighbour blocks to predict a macroblock (MB). Thus, the MBs must be sequentially processed, since reconstructed left and upper MBs must be available for prediction. In an improved method for encoding Intra predicted MBs, a MB is encoded in two steps: first,... Agent: Thomson Licensing

20140205015 - Depth map encoding and decoding: The embodiments use prediction weights in connection with predictive encoding and decoding of a depth map in the form of a frame (10) with pixels (11) having pixel values representing distances between a camera (40) and objects. The prediction weight is calculated based on depth clipping plane parameter values associated... Agent: Telefonaktiebolaget L M Ericsson (publ)

20140205013 - Inter-prediction method and apparatus: A motion estimation method of the present invention includes determining one or more candidate search points for a current block, selecting an initial search point from the one or more candidate search points, and deriving the motion vector of the current block by performing motion estimation within a search range... Agent: Electronics And Telecommunications Research Institute

20140205012 - Method and apparatus using software engine and hardware engine collaborated with each other to achieve hybrid video encoding: One video encoding method includes: performing a first part of a video encoding operation by a software engine with instructions, wherein the first part of the video encoding operation comprises at least a motion estimation function; delivering a motion estimation result generated by the motion estimation function to a hardware... Agent: Mediatek Inc.

20140205014 - Moving picture coding device, moving picture coding method, moving picture coding program, transmitting device, transmission method and transmission program, and moving picture decoding device, moving picture decoding method, moving picture decoding progr: A motion vector predictor candidate constructing unit performs prediction based on a motion vector of one of coded blocks neighboring a coding target block in the same picture as the coding target block, constructs a plurality of motion vector predictor candidates, and adds the motion vector predictor candidates to a... Agent: Jvc Kenwood Corporation

20140205018 - Image processing apparatus, image encoding apparatus, and image processing method: According to an embodiment, an image processing apparatus includes a first decoding unit, a selection unit and a generation unit. The first decoding unit generates a first decoded image by decoding first encoded data. The selection unit selects one of the first decoded image and the second decoded image for... Agent: Kabushiki Kaisha Toshiba

20140205019 - Video encoding and serving architecture: Techniques for delivering content, such as videos, over a network are described. A core server and an edge server are provided. The core server has local storage. The edge server has local storage. A set of video frames is partitioned into a first group and a second group. Video frames... Agent: Google Inc.

20140205016 - Video processor with random access to compressed frame buffer and methods for use therewith: A video processing device includes a video processing unit that decodes a video input signal into a decoded video signal in accordance with a video compression protocol, based on uncompressed video frame data. A data object compression/decompression module generates compressed video frame data by compressing a plurality of video data... Agent:

20140205017 - Video processor with reduced memory bandwidth and methods for use therewith: A video processing device includes a video processing unit that decodes a video input signal into a decoded video signal in accordance with a video compression protocol, based on uncompressed video frame data. A tile engine includes a tile accumulation module that accumulates the uncompressed video frame data into a... Agent:

20140205021 - Apparatus, a method and a computer program for video coding and decoding: A method comprising encoding a bitstream comprising a base layer, a first enhancement layer and a second enhancement layer; encoding an indication of both the base layer and the first enhancement layer used for prediction for the second enhancement layer in the bitstream; encoding, in the bitstream, an indication of... Agent: Nokia Corporation

20140205020 - Real-time transcoding method and device: The present invention provides a real-time transcoding method and device. The transcoding device obtains the current first transcoding speed, and adjusts the transcoding parameter according to the first transcoding speed and the preset second transcoding speed so as to perform real-time conversion for the media stream by using the adjusted... Agent: Huawei Technologies Co., Ltd.

20140205023 - Auxiliary information map upsampling: An auxiliary information map (10) is upsampled to form an upsampled auxiliary information map (20). Multiple reference pixels (23) in the upsampled auxiliary information map (20) are selected for a current pixel (21) in the upsampled auxiliary information map (20) based on texel values of texels in an associated texture... Agent: Telefonaktiebolaget L M Ericsson (publ)

20140205022 - Method and apparatus for transporting an 8b/10b coded video stream across a 64b/66b coded link: A video transport system is provided for transporting as 8B/10B coded video stream across a 64B/66B coded link, wherein forward error correction is provided without the overhead of the prior art. The system also provides a system with the ability to recover 64B/66B Encoded blocks that have corrupt Sync bits.... Agent: Omron Management Center Of America, Inc.

20140205024 - Transmission device, transmission method, reception device, reception method, and transmission/reception system: A video signal is divided by frames to generate divisional video signals, and the respective divisional video signals are transmitted to an external device via transmission channels independent of one another. Transmission of a high-definition video signal or the like that requires a wider transmission band than the transmission band... Agent: Sony Corporation

20140205025 - Adaptive filter application to video data: A method for correcting artifacts in compressed video having interlaced frames may comprise receiving decoded video data, the decoded video data including a frame and metadata corresponding to the frame. The method may further comprise applying a vertical chroma filter to the frame responsive to determining that the metadata indicates... Agent: Microsoft Corporation

20140205027 - Communication apparatus, signal superimposing circuit, and method for superimposing signals: A communication apparatus according to the present invention comprises first communication means configured to transmit differential signals serving as first information over a first wire pair; second communication means configured to transmit differential signals serving as second information over a second wire pair; and third communication means configured to transmit... Agent:

20140205026 - Devices and methods for power consumption control in powerline communications systems and apparatus: The present disclosure includes systems and techniques relating to power line communications (PLC) systems and apparatus. In some implementations, a method includes determining information regarding a potential data rate to be used with a powerline communications (PLC) channel, reducing a bias current or voltage of an analog front end of... Agent: Marvell World Trade Ltd.

20140205029 - Methods and apparatus for wlan transmission: In a method for generating a PHY data unit for transmission via a communication channel, a modulation scheme is selected from a plurality of modulation schemes, information bits are encoded to generate encoded data using one or more encoders, and an interleaving parameter NCOL is selected using the selected modulation... Agent: Marvell World Trade Ltd.

20140205028 - Ofdm clock recovery: Receiver synchronization techniques (RST), contributing more accurate synchronization of receiver clock to OFDM composite frame combined with much faster acquisition time and better stability of the receiver clock, and phase and frequency recovery techniques, comprising a software controlled clock synthesizer (SCCS) for high accuracy phase & frequency synthesis producing synchronized... Agent:

20140205030 - Receiving device of ofdm communication system and method for alleviating phase noise thereof: The present invention relates to a receiving apparatus in an OFDM communication system and a phase noise mitigation method thereof which are configured to estimate and compensate for phase noise from a received OFDM symbol, unlike the conventional receiver which uses a pilot symbol for mitigating phase noise, and thus... Agent: Postech Academy-industry Foundation

20140205031 - Finding channel state information with reduced codebook in a multi-antenna wireless communication system: Multiple antennas employed at the transmitter and receiver can significantly increase a MIMO system capacity, especially when channel knowledge is available at the transmitter. Channel state information may be provided to the transmitter by the receiver in a codebook based precoding feedback. In a proposed approach is proposed in which... Agent: Telefonaktiebolaget L M Ericsson (publ)

20140205035 - Method and apparatus for transmitting reference signal in multi-antenna system: A method for transmitting a reference signal in a multi-antenna system is provided. The method includes: selecting at least one orthogonal frequency division multiplexing (OFDM) symbol in a subframe containing a plurality of OFDM symbols; allocating a channel quality indication reference signal (CQI RS) capable of measuring a channel state... Agent: Lg Electronics Inc.

20140205033 - Method for uplink multi-user cooperation communication: The present invention discloses a method for uplink multi-user cooperation communication, which is applied in a system at least including a first source node, a second source node and a target node, wherein there is a direct transmission link between either the first or the second source node and the... Agent: Beijing University Of Posts And Telecommunications

20140205034 - Metohod for interference alignment using multiple antennas in overlapped multi-cell overlapped environment: An interference alignment method using multiple antennas in a multi-cell overlapped environment, includes: when at least one transmission and reception ends having at least one or more antennas communicate with each other, establishing at least one or more channels from the transmission end to the reception end. Further, the interference... Agent: Electronics And Telecommunications Research Institute

20140205037 - Quality control scheme for multiple-input multiple-output (mimo) orthogonal frequency division multiplexing (ofdm) systems: A method and apparatus for optimizing the system capacity of an Orthogonal Frequency Division Multiplexing (OFDM) system that uses with Multiple-Input Multiple-Output (MIMO) antennas. In a receiver, a target quality of service (QoS) metric and reference data rate are set. The target QoS metric may be set to a predetermined... Agent: Interdigital Technology Corporation

20140205032 - Signal generating method and signal generating device: A transmission method for transmitting a first modulated signal and a second modulated signal in the same frequency at the same time. Each signal has been modulated according to a different modulation scheme. The transmission method applies precoding on both signals using a fixed precoding matrix, applies different power change... Agent: Panasonic Corporation

20140205036 - System and methods for reducing uplink resources to provide channel performance feedback for adjustment of downlink mimo channel data rates: Systems and methods for improving the performance of a MIMO wireless communication system by reducing the amount of uplink resources that are needed to provide channel performance feedback for the adjustment of data rates on the downlink MIMO channels. In one embodiment, a method comprises encoding each of a set... Agent: Qualcomm Incorporated

20140205038 - Terminal device, base station device, program, and integrated circuit: In a cellular system, new precoding that enables the performance of precoding to be adequately utilized is introduced, and thereby throughput is increased. There is provided a terminal device that includes a plurality of transmit antennas and that performs precoding on a transmit signal. The terminal device includes a codebook... Agent: Sharp Kabushiki Kaisha

20140205039 - Dynamically adjusting number of transmit antennas for mimo systems to use greater transmit power: Techniques are presented to reduce the number of antennas used for a transmission for a given antenna configuration and data rate. At a wireless communication device having a plurality of antennas and capable of sending a transmission via one or more of the plurality of antennas, a determination is made... Agent: Cisco Technology, Inc.

20140205041 - Rf signal generating circuit, and transmitter: An RF signal generating circuit that generates, from a digital signal, an RF pulse signal to be radio-transmitted. It includes a polar converter generating an amplitude signal and a phase signal from the digital signal; a signal decomposer receiving the amplitude signal as an input signal, and generates two signals,... Agent: Nec Corporation

20140205040 - System and method for digital communications using channel statistics: A method for operating a transmitting device includes designing a beamformer using a stochastic weighted minimum mean square error (SWMMSE) algorithm to optimize a utility function in accordance with channel statistics of communications channels in a communications system, adjusting a transmitter of the transmitting device in accordance with the beamformer,... Agent:

20140205042 - Method and system for use of quadrature hybrids for closed and open loop beam forming transmit diversity: The present implementation is directed to a system and method of mobile transmit diversity and, more particularly, to a device which can operate in any of several modes, including a transmit diversity mode whereby two or more antennae transmit signals to at least one base station with relative phase difference,... Agent: Google Inc.

20140205043 - Apparatus and method for generating soft-decision information in a multiple antenna system: A method and an apparatus for generating soft-decision information in a multiple antenna system are provided. The method includes determining Q candidate symbol vectors for a first transmission symbol of a received signal vector by performing parallel detection on a received signal vector and a channel matrix, determining a candidate... Agent: Samsung Electronics Co., Ltd.

20140205044 - Turbo channel estimation for ofdm systems: A system and method for estimating a channel in a wireless receiver is disclosed. The method comprises receiving a block of “n” transmitted symbols, the symbols including pilot symbols and “d” data symbols, estimating a channel using the pilot symbols to create a channel estimate, choosing a group of “m”... Agent: At&t Mobility Ii LLC

20140205045 - Method, apparatus, and system for frequency offset estimation and channel estimation: A method for frequency performing offset estimation and channel estimation includes performing frequency offset estimation on the received data, and obtaining a frequency offset estimation result when interference signals in received data are not obtained, After the interference signals in the received data are obtained, the method includes performing frequency... Agent: Huawei Technologies Co., Ltd.

20140205046 - Source device, communication system, method of controlling source device, and method of controlling sink device: A source device includes: a low-speed data supply section configured to supply, as low-speed data, data generated in synchronization with a low clock signal out of clock signals having different frequencies, the low clock signal having a frequency lower than a predetermined value; a high-speed data supply section configured to... Agent: Sony Corporation

20140205047 - Low latency synchronizer circuit: An apparatus for synchronizing an incoming signal with a clock signal comprises two or more synchronizer circuits, wherein each synchronizer circuit receives the incoming signal and the clock signal. Each synchronizer circuit generates a synchronized signal, wherein the state of each synchronized signal changes on a different phase of said... Agent: Dialog Semiconductor Gmbh

  
07/17/2014 > 61 patent applications in 35 patent subcategories.

20140198828 - Frequency spreading for high-performance communications: Methods and systems are provided for using frequency spreading during communications, in particular communications in which multiple carriers (or subcarriers) are used. The frequency spreading may comprise generating a plurality of spreading data vectors based on transmit data, such as by application of a spreading matrix to portions of the... Agent: Maxlinear, Inc.

20140198829 - Receiver unit and method for suppressing interference in a multipath radio signal: The invention relates to the field of radio signal receivers for use in wireless communication networks. In particular to a receiver unit having at least one antenna input for receiving multipath radio signals via a radio unit and at least one antenna from one or more user equipments is provided.... Agent: Telefonaktiebolaget L M Ericsson (publ)

20140198830 - Method and apparatus for timing synchronization at sub-sampled rate for sub-sampled wideband systems: A method of timing synchronization in sub-band based ultra wideband systems, includes obtaining a coarse estimate of an offset in a time domain at a sub-sampled rate, and obtaining a fine estimate of the offset in an analog domain. The method further includes correcting a timing in the analog domain... Agent: Samsung Electronics Co., Ltd.

20140198831 - Radio frequency signal transceiving and processing method, device, and base station system: A radio frequency signal transceiver includes: a transmission circuit configured to perform power amplification on an input first analog signal, wirelessly transmit the first analog signal after power amplification, and output the first analog signal after power amplification to a pre-distortion circuit; the pre-distortion circuit configured to convert the first... Agent: Huawei Technologies Co., Ltd.

20140198832 - Multiple input multiple output antenna module and associated method: A multiple input multiple output (MIMO) antenna module, comprising a first signal feed port coupled to a first antenna element disposed along a first edge of a PCB, a second signal feed port coupled to a second antenna element disposed on the PCB and a transceiver operable to be selectively... Agent: Blackberry Limited

20140198833 - Self synchronizing data communication method and device: A method of receiving a data transmission includes detecting a first switching of a transmission signal to a first signal value, starting a duration measurement of a first time interval that begins with detecting the first switching of the transmission signal, detecting a second switching of the transmission signal to... Agent: Infineon Technologies Ag

20140198834 - Bit synchronizer for detecting symbol timing error for high order modulation using a trajectory mid-point rotation and related methods: A communications device includes an input that receives a communications signal having in-phase (I) and Quadrature (Q) signal components. A bit synchronization circuit detects the symbol timing error in the communications signal and includes a symbol mapper circuit configured to receive I and Q signal components and determine transition samples... Agent: Harris Corporation

20140198835 - Method and system for a multi-standard receiver: A multi-standard receiver may comprise in an electronic device, receiving an input radio frequency (RF) signal comprising at least two RF signals of different communication standards. The input RF signal may be separated into two signals based on their different communication standard sand configurable gain levels may be applied to... Agent:

20140198836 - Method and apparatus for wideband spectrum sensing using compressive sensing: Disclosed is a method for wideband spectrum sensing using compressive sensing, the method including: acquiring a sampling signal by applying a modulated wideband converter (MWC) to a received signal; and acquiring a restoration signal corresponding to the received signal by using a compressive sensing restoration algorithm from the sampling signal,... Agent: Electronics And Telecommunications Research Institute

20140198837 - Methods and systems for chip-to-chip communication with reduced simultaneous switching noise: Systems and methods are described for transmitting data over physical channels to provide a high speed, low latency interface such as between a memory controller and memory devices with significantly reduced or eliminated Simultaneous Switching Output noise. Controller-side and memory-side embodiments of such channel interfaces are disclosed which do not... Agent: Kandou Labs, S.a.

20140198839 - Low latency sub-frame level video decoding: A method includes transmitting encoded video data related to video frames of a video stream from a source to a client device through a network such that a packet of the encoded video data is limited to including data associated with one portion of a video frame. The video frame... Agent: Nvidia Corporation

20140198840 - Method and apparatus for adaptive loop filter with constrained filter coefficients: Methods and apparatuses for processing of coded video using ALF are disclosed. Embodiments according to the present invention apply ALF with constrained data range to reconstructed video data. The ALF parameters comprise a center coefficient, one or more non-center coefficients, and an offset term. As an example, the constrained data... Agent:

20140198841 - Context intialization in entropy coding: A decoder includes an entropy decoder configured to derive a number of bins of the binarizations from the data stream using binary entropy decoding by selecting a context among different contexts and updating probability states associated with the different contexts, dependent on previously decoded portions of the data stream; a... Agent:

20140198842 - Hybrid encoding and decoding methods for single and multiple layered video coding systems: Encoding and decoding methods for single and multiple layered video coding systems are provided. Specifically, video information provided to a base layer and one or more enhancement layers can be coded using a picture coding mode and/or a residual coding mode. Selection between coding modes can be performed on a... Agent: Dolby Laboratories Licensing Corporation

20140198843 - Compressed video: c

20140198844 - Method and apparatus for non-cross-tile loop filtering: A method and apparatus for loop filter processing of video data are disclosed. Embodiments according to the present invention eliminate data dependency associated with loop processing across tile boundaries. According to one embodiment, loop processing is reconfigured to eliminate data dependency across tile boundaries if cross-tile loop processing is disabled.... Agent:

20140198845 - Video compression technique: A method for producing compressed video signals representative of a sequence of video frames, including the following steps: determining the value of a temporal variation parameter between successive frames, or portions thereof, of the sequence of frames; determining when the temporal variation parameter meets a predetermined criterion and indexing the... Agent: Florida Atlantic University

20140198838 - Techniques for managing video streaming: An apparatus may include a memory to store a video frame, a processor circuit and a selective encoding component for execution on the processor to perform selective encoding of the video frame, the selective encoding to classify the video frame into a primary object region and a background region, and... Agent:

20140198846 - Device and method for scalable coding of video information: An apparatus configured to code (e.g., encode or decode) 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 base layer and an enhancement layer, the enhancement layer comprising an enhancement layer (EL)... Agent: Qualcomm Incorporated

20140198847 - Encoding device, encoding method, decoding device, and decoding method: The present technique relates to an encoding device, an encoding method, a decoding device, and a decoding method capable of improving encoding efficiency of a parallax image using information about the parallax image. The correction unit corrects a prediction image of a parallax image of a reference viewpoint using information... Agent: Sony Corporation

20140198848 - Image encoding/decoding method for rate-distortion optimization and device for performing same: Disclosed are an image encoding/decoding method for rate-distortion optimization and a device for performing the same. A macroblock to be encoded is provided, a prediction macroblock is generated by executing either inter prediction or intra prediction, a residual prediction block is generated on the basis of the generated prediction macroblock... Agent: Humax Co., Ltd.

20140198850 - Method for multiview video prediction encoding and device for same, and method for multiview video prediction decoding and device for same: A multi-view video prediction method and a multi-view video prediction restoring method. The multi-view video prediction method includes generating a base layer image stream including residual values of I-picture base view key pictures and base view images of a base view by performing inter prediction between the base view images;... Agent: Samsung Electronics Co., Ltd.

20140198849 - Method of determining motion vectors for a bi-predictive image block: In one embodiment, the method includes determining, by a moving picture coding system, motion vectors of the bi-predictive image block based on a type of the first reference picture. The type is one of a long-term type and a short-term type, and characterizes a temporal distance of the first reference... Agent:

20140198853 - Fade type determination device: A fade state determination unit (5) determines that the target picture is in a fade state when a feature value A is equal to or larger than a threshold value TH_A. If the target picture has been determined to be in the fade state, a fade-in determination unit (6) determines... Agent: Ntt Electroics Corporation

20140198851 - Leveraging encoder hardware to pre-process video content: Methods and systems may provide for invoking a plurality of parallel instances of a hardware video encoder, wherein the plurality of parallel instances includes a first encoder instance and a second encoder instance. Additionally, the first encoder instance may be used to make a scene change determination and a motion... Agent:

20140198854 - Method and associated apparatus for processing video data: A method and associated apparatus for processing video data are provided. The video data includes a first frame formed by a plurality of macroblocks. The method includes providing a memory, deblocking a first macroblock in the first frame, and writing the deblocked macroblock into the memory. The step of writing... Agent: Mstar Semiconductor, Inc.

20140198852 - Method for stabilizing a first sequence of digital image frames and image stabilization unit: A method for stabilizing a first sequence of digital image frames is provided including determining a dominant motion vector of a dominant motion layer of said sequence; determining a first part of the dominant motion vector representative of an intended motion in said sequence; determining a second part of the... Agent: Sony Corporation

20140198856 - Motion vector processing: The embodiments relates to motion vector prediction and decoding for multi-view video content from multiple camera views (10, 20). At least one candidate motion vector predictor (54, 64) is provided for a current motion vector (34) to be encoded. A motion vector predictor is then determined from the at least... Agent: Telefonaktiebolaget L M Ericsson (publ)

20140198855 - Square block prediction: Systems, devices, and methods for coding video data may limit an intra-prediction angle to predict a chroma component from a reference array. The limited intra-prediction angle used varies between a value that is less than or equal to a maximum intra-prediction angle of a luma component. The systems, devices, and... Agent: Qualcomm Incorporated

20140198857 - Video decoder with signaling: A system for decoding a video bitstream.... Agent:

20140198858 - Power saving decoder architecture: A method and system are provided for decoding coded video data by turning off or not loading at least one functional unit or functional subunit of the decoder while decoding a portion of the coded video data. A schedule may be created prior to substantive decoding and then the schedule... Agent: Apple Inc.

20140198861 - Communication apparatus, integrated circuit, and communication method: In communication method for communicating via a transmission channel to which first communication apparatuses communicating based on a first communication system, second communication apparatuses communicating based on a second communication system, and third communication apparatuses communicating based on a third communication system are connected, a data transmission domain and a... Agent: Panasonic Corporation

20140198860 - Power line carrier communication apparatus: The power line carrier communication apparatus may include a transmission circuit which is connected to a power line and which transmits a signal to the power line; a reception circuit which is connected to the power line and which receives the signal from the power line; and an output suppression... Agent: Rib Laboratory, Inc.

20140198859 - Power line communication system synchronization: Systems and methods for synchronizing a power line communication system including a power line and one or more devices communicatively coupled to the power line. A mains frequency of the power line is estimated at the devices, and corresponding local frequencies of the devices are adjusted based on the corresponding... Agent: Enverv, Inc.

20140198862 - Communication device and communication system: A transmitter includes a generation section that generates a baseband OFDM signal based on transmission data, and a transmission section that transmits a communication signal that is based on a real-part signal that is obtained by removing an imaginary-part signal from the baseband OFDM signal. In the baseband OFDM signal,... Agent: Megachips Corporation

20140198863 - Method and apparatus for controlling multi-dimensional peak-to-average-power-ratio (papr) with constraints: A method and system uses a constrained set of indexed samples to identify a next generation population of samples that exhibits a more desirable signal characteristic. The invention generates an intermediate set of indexed samples which are subjected to a fitness function and next generation calculations to produce next generation... Agent:

20140198865 - Ofdm pilot and frame structures: A coax network unit (CNU) receives a first plurality of orthogonal frequency-division multiplexing (OFDM) symbols from a coax line terminal (CLT). The first plurality of OFDM symbols includes continual pilot symbols on one or more subcarriers. The CNU also receives a grant from the CLT allocating a set of subcarriers... Agent: Qualcomm Incorporated

20140198864 - Polynomial phases for multi-carrier modulation schemes with time domain windowing: In one aspect, a method includes performing a mapping on bits to form a complex data symbol, applying a frequency rotation mask to the complex data symbol based on a polynomial phase, performing an inverse discrete Fourier transform (IDFT) after applying the frequency rotation mask, applying a time domain window... Agent: Raytheon Company

20140198866 - Wireless communication device: A wireless communication device communicates with, using a plurality of antennas, a communication partner device including a plurality of antennas. The wireless communication device includes a communication unit, an interference intensity judgment unit, and a determination unit. The communication unit communicates with the communication partner device using the plurality of... Agent: Kyocera Corporation

20140198867 - Communication system having cross polarization interference cancellation (xpic): An all outdoor unit communication system, for performing cross polarization interference cancellation, is provided. The system includes a first outdoor unit (ODU) configured to receive a horizontally polarized signal, a first RF module configured to convert the horizontally polarized signal into a first in-phase (I) component and a first quadrature... Agent: Broadcom Corporation

20140198868 - Dl mimo precoding enhancement: A method includes applying a precoder to information to be transmitted on N antenna ports, wherein application of the precoder creates an M-Tx codebook, each codeword of which is obtained through truncation of a codeword from an N-Tx codebook corresponding to the N antenna ports. The precoded information is transmitted... Agent: Nokia Solutions And Networks Oy

20140198870 - Feedback scheduling to reduce feedback rates in mimo systems: In a closed-loop wireless communication system, a codebook-based feedback control mechanism is provided where feedback from each of a plurality of receivers is scheduled to control the feedback so that the receiving devices do not needlessly feed back precoding information to the transmitting device. The feedback may be controlled by... Agent: Apple Inc.

20140198871 - Method and apparatus for transmitting downlink reference signal in wireless communication system that supports multiple antennas: The present invention relates to a wireless communication system, and in particular, to a method and an apparatus for transmitting a downlink reference signal in a wireless communication system that supports multiple antennas. The method for transmitting a reference signal for a maximum of eight antenna ports according to one... Agent: Lg Electronics Inc.

20140198869 - Precoding codebooks for 4tx and 8tx mimo communication systems: A method for communication includes configuring a communication system that includes a transmitter and a receiver with first precoding matrices for mapping up to N data streams onto N transmit antenna ports of the transmitter. Each of at least some of the first precoding matrices are derived from respective second... Agent: Marvel World Trade Ltd.

20140198873 - Communication device: An exemplary embodiment relates to a communication device. A communication device includes: a transmitting unit generating a first analog signal and a second analog signal based on an input signal; and a receiving unit including a first capacitor having a first terminal to which the first analog signal is input... Agent: Fairchild Korea Semiconductor Ltd.

20140198872 - Systems and methods for detecting or signaling the presence of bursty interference on wireless networks: Systems, methods, and devices for detecting and managing the presence of bursty interference on a wireless communication system are disclosed. One aspect of the subject matter described in the disclosure provides a method of detecting the presence of bursty interference on a wireless network. The method includes receiving, at a... Agent: Qualcomm Incorporated

20140198874 - Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals: The object of the present invention can be achieved by providing a method of transmitting broadcast signals including encoding Data Pipe, DP, data, wherein the encoding further includes Forward Error Correction, FEC, encoding the DP data, Bit interleaving the FEC encoded DP data and mapping the bit interleaved DP data... Agent:

20140198875 - Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals: A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals comprises encoding DP (data pipe) data carrying at least one service, mapping the encoded DP data onto constellations, time interleaving the mapped DP data, building at least one signal frame including the... Agent:

20140198876 - Broadcast signal transmitter, broadcast signal receiver, and method for transceiving broadcast signals in broadcast signal transceivers: A broadcast signal receiver according to the present invention comprises: a demodulator for performing OFDM demodulation on a received broadcast signal including a frame for the delivery of a broadcast service: a frame demapper for outputting the frame, the frame including a preamble that contains first signaling information, and a... Agent: Lg Electronics Inc.

20140198877 - Using a field format on a communication device: A communication device for transmitting a Very High Throughput Signal Field B (VHT-SIG-B) is described. The communication device includes a processor and instructions stored in memory that is in electronic communication with the processor. The communication device allocates bits for the VHT-SIG-B in a backwards compatible preamble. The communication device... Agent: Qualcomm Incorporated

20140198878 - Method for designing band pass delta-sigma modulator, band pass delta-sigma modulator, signal processing device, and radio transceiver: c

20140198879 - Transmitter: Embodiments provide methods, apparatus and computer software for use in calibrating a transmitter in operative association with a variable supply voltage. A phase distortion of the power amplifier is determined for a given instantaneous power. On the basis of the determined phase distortion for the power amplifier at the given... Agent: Brfoadcom Corporation

20140198880 - Broadband high efficiency amplifier system: Systems and methods are provided for generating a modulated radio frequency (RF) output signal representing a baseband input signal. A digitizer is configured to sample the baseband input signal and produce an N-bit binary digital signal representing a scaled linear function of the signal amplitude. An RF signal source configured... Agent: Hbc Solutions, Inc.

20140198881 - Communication apparatus and communication method: A communication apparatus comprises an inserter that inserts an element having a value of 0 or nearly 0 into a predetermined position of a modulated signal to generate inserted data; an operator that adds a pilot signal comprising a data series of which the elements at the positions corresponding to... Agent: Icom Incorporated

20140198882 - Systems, apparatus, and methods for receiving paging messages by creating fat paths in fast fading scenarios: This disclosure provides systems, methods, and apparatus for receiving paging messages in fast fading scenarios. In one aspect, a method of demodulating a paging message during an assigned time slot by a wireless communications apparatus operating in an idle mode is provided. The method includes determining, in anticipation of the... Agent: Qualcomm Incorporated

20140198883 - Systems and methods for highly accurate and efficient pulse prediction: A method is disclosed for predicting a pulse periodicity in a signal. The method includes the steps of receiving a signal that includes a component that is periodic having an unknown periodicity and a noise component; comparing the signal to an adjustable reference signal, and varying at least one of... Agent: Board Of Governors For Higher Education, State Of Rhode Island And Providence Plantations

20140198884 - Communication system with frequency synthesis mechanism and method of operation thereof: A communication system includes: a frequency synthesizer, configured to reference a radio frequency (RF) signal, in a device including: a ring oscillator with track-and-hold circuit electrically connected to a reference clock, a bank of comparators, electrically connected to the ring oscillator with track-and-hold circuit, configured to measure a coarse timing,... Agent: Samsung Electronics Co., Ltd.

20140198885 - Methods and systems for mitigating signal interference: A received signal that includes a target signal and an interference signal is sampled in space and time and then filtered into a matched-filtered signal and into a mis-matched-filtered signal, which is orthogonal to, or nearly orthogonal to, the matched-filtered signal. The interference signal is present in both the matched-filtered... Agent: Propagation Research Associates, Inc.

20140198886 - Method and apparatus for filtering and combining multipath components of a signal received at multiple antennas according to a wireless communication protocol standard for filtering a signal received by a single antenna: A receiver communicating according to a wireless communication protocol standard for filtering a signal received at a single antenna. The receiver includes filter modules, receiver modules, and a summer. The filter modules receive from antennas multipath components of the signal as transmitted to the receiver. The signal includes bits of... Agent: Marvell World Trade Ltd.

20140198887 - Method and device for maintaining the performance quality of a communication system in the presence of narrow band interference: A system that incorporates teachings of the subject disclosure may include, for example, a method for analyzing a wide frequency band with respect to signal power levels in specified narrow frequency bands, detecting narrow band signal power levels received in the specified narrow frequency bands, determining an average composite wideband... Agent: Isco International, LLC

20140198888 - Discrete signal synchronization based on a known bit pattern: Systems and methods for discrete signal synchronization based on a known bit pattern are described. In one aspect of the present subject matter, a discrete signal synchronization system is configured to synchronize a preprocessed discrete signal with a modified discrete signal. The system comprises a processor and a synchronization module... Agent: Tata Consultancy Services Limited

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