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Pulse or digital communications April category listing, related patent applications 04/11

20110096810 - Data-block spread spectrum communications system: A spectrum spread communication method includes a step of generating a data block formed by a plurality of M bits of transmission data in the CDMA communication method, a step of modulating an orthogonal sinusoidal wave by the repeated series of the data block to generate a spread symbol, a... Agent: Naoki Suehiro

20110096811 - Method and an apparatus for adaptively learning a sparse impulse response of a continuous channel: s

20110096812 - Method and system for diversity processing utilizing a programmable interface suppression module: Aspects of a method and system for diversity processing utilizing a programmable interface suppression module may include one or more circuits that are operable to program an interference suppression module based on one or more interference cancellation parameters. A plurality of weighting factor values may be computed based on the... Agent:

20110096813 - Method and system for interference suppression between multipath signals utilizing a programmable interface suppression module: Aspects of a method and system for interference suppression between multipath signals utilizing a programmable interface suppression module may include one or more processors and/or circuits that are operable to program an interference suppression module based on one or more interference cancellation parameters. A plurality of weighting factor values may... Agent:

20110096816 - Method and device for channel estimation, and corresponding computer program product: An embodiment of the time-variant channel estimation in an OFDM transmission system envisages the operations of: a) determining the received signal vector Yj,k for one or more of R receiving antennas, j=1, . . . , R, and at the current time instant k together with the frequency-domain channel-estimate vector... Agent: Stmicroelectronics S.r.l.

20110096814 - Methods for carrier frequency offset detection and compensation and transmitters and receivers utilizing the same: A transmitter includes an encoding module, an adaptive hierarchical signal mapping module and a transceiver module. The encoding module receives an input signal and encodes the input signal. The input signal includes data to be transmitted. The adaptive hierarchical signal mapping module modulates the encoded signal according to one or... Agent: National Taiwan University

20110096818 - Multicarrier communication system: t

20110096815 - Power control for devices having multiple antennas: Power control for devices having multiple transmit antennas are disclosed, including power control methods for Physical Uplink Control Channel (PUCCH) and Sounding Reference Signal (SRS) transmissions for a wireless transmit/receive unit (WTRU). The PUCCH and SRS power control methods include selecting a multiple input multiple output (MIMO) mode and changing... Agent: Interdigital Patent Holdings, Inc.

20110096817 - Wirefree intercom having error free transmission system and process: A wireless intercom having a microcontroller that is programmed to place the intercom into a power saving sleep mode unless actively receiving or transmitting signals. The microcontroller of the intercom is interconnected to a transceiver for sending and receiving digital data packets, and to a codec for converting the digital... Agent: The Chamberlain Group, Inc.

20110096821 - Digital communications test system for multiple input, multiple output (mimo) systems: A digital communications test system and method for testing a plurality of devices under test (DUTs) in which multiple sets of a single vector signal analyzer (VSA) and single vector signal generator (VSG) can be used together to perform error vector magnitude (EVM) measurements for one or more DUTs in... Agent: Litepoint Corporation

20110096819 - Estimating system and traffic data in a docsis system: Methods for computing system data (e.g., the number of CMs per DS-SG or US-SG) and traffic data (e.g., the number of online CMs, the number of active CMs, the percentage of time a CM is online, the percentage of time a CM is active, and the concurrency of CMs) in... Agent:

20110096820 - Modulation evaluation system: A modulation evaluation system associated with frequency modulations periods of a phase-locked loop is described. The system includes a first accumulator for accumulating clock edges a window of the frequency modulation periods; a second accumulator coupled to the first accumulator and operative for accumulating clock edges during whole periods of... Agent:

20110096822 - Network equipment: A network player is connected to a server, in which a contents data having a bit rate parameter is recorded, via a network. The network player stores the contents data which is currently received from the server in a buffer memory, measures a data transfer rate of the currently received... Agent:

20110096823 - Wireless communication device and wireless communication method: To realize prompt and efficient data communication by dynamically changing the optimum MCS and PC. A base station (120) serving as a wireless communication device according to the present invention includes an obtaining unit (220) for obtaining an RSSI and an SINR of a receive signal upon generation of transmission... Agent: Kyocera Corporation

20110096825 - Fractional-rate decision feedback equalization useful in a data transmission system: Decision feedback equalization (DFE) circuits are disclosed for use with fractional-rate clocks of lesser frequency than the data signal. For example, a one-half-rate clocked DFE circuit utilizes two input data paths, which are respectively activated on rising and falling edges of an associated half-rate clock. Each of the input data... Agent: Micron Technology, Inc.

20110096824 - Multi-pair gigabit ethernet transceiver having a single-state decision feedback equalizer: Various systems and methods providing high speed decoding, enhanced power reduction and clock domain partitioning for a multi-pair gigabit Ethernet transceiver are disclosed. ISI compensation is partitioned into two stages; a first stage compensates ISI components induced by characteristics of a transmitter's partial response pulse shaping filter in a demodulator,... Agent:

20110096827 - Digital broadcasting system and method of processing data in digital broadcasting system: A digital broadcasting system and a data processing method are disclosed. The method includes receiving a data processing method includes receiving a broadcast signal in which main service data and mobile service data are multiplexed, acquiring transmission-parameter-channel signaling information including transmission parameter information of the mobile service data, and fast-information-channel... Agent:

20110096826 - Method and apparatus for decoding video according to individual parsing or decoding in data unit level, and method and apparatus for encoding video for individual parsing or decoding in data unit level: A video decoding method including: extracting, from a bitstream of an encoded video, at least one of information indicating independent parsing of a data unit and information indicating independent decoding of a data unit; extracting encoded video data and information about a coded depth and an encoding mode according to... Agent: Samsung Electronics Co., Ltd.

20110096828 - Enhanced block-request streaming using scalable encoding: A block-request streaming system provides for improvements in the user experience and bandwidth efficiency of such systems, typically using an ingestion system that generates data in a form to be served by a conventional file server (HTTP, FTP, or the like), wherein the ingestion system intakes content and prepares it... Agent: Qualcomm Incorporated

20110096829 - 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.

20110096830 - Encoder that optimizes bit allocation for information sub-parts: A encoder/decoder architecture (200, 300, 700) that uses an arithmetic encoder (220) to encode the MSB portions of the output of a Factorial Pulse Coder (212), that encodes the output of a first-level source encoder (210), e.g., MDCT. Sub-parts (e.g., frequency bands) of portions (e.g., frames) of the signal are... Agent: Motorola

20110096831 - Image encoding device, image encoding method, and imaging system: An image encoding device for generating a plurality of portions of encoded data from the same input image data, includes a moving image encoding processor configured to compress/encode image data, an amount-of-encoded-data detector configured to detect the amount of first encoded data generated, a conversion table configured to determine a... Agent: Panasonic Corporation

20110096832 - Depth map generation techniques for conversion of 2d video data to 3d video data: This disclosure describes techniques for generating depth maps for video units, such as video frames or slices video frames. The techniques may be performed by a video encoder in order to convert two-dimensional (2D) video to three-dimensional (3D) video. The techniques may alternatively be performed by a video decoder in... Agent: Qualcomm Incorporated

20110096835 - Coding method, error detecting method, decoding method, coding apparatus, error detecting apparatus, and decoding apparatus: Provided is a coding method that allows reduction of a code amount necessary for coding reference indexes and improvement in the coding efficiency. The coding method according to the present invention is a method of coding a random accessible picture using inter-view reference, and includes: writing, into a slice header... Agent:

20110096834 - Method and apparatus for encoding residual block, and method and apparatus for decoding residual block: Methods and apparatuses for encoding and decoding a residual block are provided. The method of encoding the residual block includes: generating a prediction block of a current block; generating a residual block based on a difference between the prediction block and the current block; generating a transformation residual block by... Agent: Samsung Electronics Co., Ltd.

20110096833 - Software video decoder display buffer underflow prediction and recovery: Prediction of and recovery from display buffer underflow are described. A first time delay for displaying a first group of one or more frames of a video picture stream located in an output frame buffer is calculated. A second time delay for displaying a second group of one or more... Agent: Sony Computer Entertainment Inc.

20110096836 - Packet loss analysis: A test sequence (1) comprises multiple pictures (20, 22, 24, 26) comprising at least one respective intra pixel block (30, 32, 34, 36) at a respective dedicated pixel position in the pictures (20, 22, 24, 26). Such a position in a first picture (20) is different from the position of... Agent:

20110096837 - Interpolation of video compression frames: Coding techniques for a video image compression system involve improving an image quality of a sequence of two or more bi-directionally predicted intermediate frames, where each of the frames includes multiple pixels. One method involves determining a brightness value of at least one pixel of each bi-directionally predicted intermediate frame... Agent: Dolby Laboratories Licensing Corporation

20110096838 - Interpolation of video compression frames: Coding techniques for a video image compression system involve improving an image quality of a sequence of two or more bi-directionally predicted intermediate frames, where each of the frames includes multiple pixels. One method involves determining a brightness value of at least one pixel of each bi-directionally predicted intermediate frame... Agent: Dolby Laboratories Licensing Corporation

20110096839 - Methods and apparatus for video coding and decoring with reduced bit-depth update mode and reduced chroma sampling update mode: Methods and apparatus are provided for video coding and decoding with reduced bit-depth update mode and reduced chroma sampling update mode. An apparatus includes an encoder for encoding at least a portion of a picture using at least one of a reduced bit-depth update mode and a reduced chroma sampling... Agent: Thomson Licensing

20110096841 - Video coding and decoding methods with hierarchical temporal filtering structure, and apparatus for the same: A method and apparatus for video coding and decoding with hierarchical temporal filtering structure are disclosed. A video encoding method in a temporal level having a hierarchical temporal filtering structure, includes generating prediction frames from two or more reference frames that temporally precede the current frame; generating a residual frame... Agent: Samsung Electronics Co., Ltd.

20110096840 - Video encoding method, video encoding apparatus, video encoding program and storage medium of the same: A motion detection portion of a video encoding apparatus conducts motion detection on each of frame macroblocks and field macroblocks to calculate motion vectors and respective detection cost. A motion vector evaluation value calculation portion calculates an evaluation value of the size of motion vectors. A motion vector threshold determination... Agent: Nippon Telegraph And Telephone Corporation

20110096842 - Video decoding device and method: A video decoding method includes receiving video data and transforming the video data from a Huffman tree to at least one full tree and at least one one-side tree. One microcode corresponding to the video coding standard that has encoded the received video data is read where a format of... Agent: Hon Hai Precision Industry Co., Ltd.

20110096843 - Field/frame adaptive coding and decoding method with field/frame index and apparatus for performing the same: A moving picture coding method for coding a picture when switching between frame coding and field coding adaptively on a block-by-block basis. The method including determining the maximum number of reference indices for field coding for specifying fields which are to be referred to at the time of field coding,... Agent:

20110096844 - Method for implementing rich video on mobile terminals: A communication method comprising the display, on a communication mobile terminal (2) equipped with a camera, a rich video comprising a real filmed scene in which are imbedded additional visual elements connected with said scene, within which video enrichment operations are carried out within a remote communication system (3) and... Agent:

20110096846 - Advertisement insertion for video: Methods for performing ad insertion prior to performing statistical multiplexing on one or more digital video streams including programs are disclosed. Select coded frames of a program and an advertisement are decoded and re-encoded at a predetermine bit rate to obtain a revised program representing the original program with the... Agent:

20110096847 - Apparatus and method for parsing bitstream: Disclosed is an apparatus and method for parsing a bitstream. The apparatus may include an input port analyzer to analyze an input port indicating a source of data in a description, a data receiver to receive the data via the analyzed input port, and a parsing controller to control a... Agent: Iucf-hyu

20110096845 - Method and system for providing decoupled streams for clock recovery and decoding: A receiver may be operable to determine a clock reference (CR) such as a MPEG program clock reference (PCR) associated with a first program CR packet identifier (PID), recover a locked oscillator and a system time clock (STC) from the clock reference associated with the first program CR packet identifier... Agent:

20110096848 - \"supply-less\" hdmi source terminated output stage with tuned wide-range programmable termination: A “supply-less” transmitter output stage is provided for a transmitter. This transmitter output stage can include a tunable source termination and a reference voltage generator. The tunable source termination can be coupled between a differential pair of the transmitter. The reference voltage generator can advantageously generate reference voltages from a... Agent: Synopsys, Inc.

20110096851 - Codebook generating method and apparatus for generating a codebook for multi-polarized multiple-input multiple-output (mimo) systems: A communication apparatus and method include: selecting, as a precoding matrix, one of pre-stored at least one matrix Wi, where i is a natural number, and precoding a data stream desired to be transmitted based on the precoding matrix, wherein each diagonal block, among a plurality of blocks included in... Agent: Samsung Electronics Co., Ltd.

20110096850 - Data communication apparatus and data communication method thereof: A data communication apparatus and method that permits communication between two devices without having to perform a complicated initial connection procedure. A communication unit conducts data transmission/reception with an external data communication apparatus, and a controller controls the communication unit to operate in one of a network mode or a... Agent: Samsung Electronics Co., Ltd.

20110096849 - Optimized selection of transmission protocol respecting thresholds: In the method for management of data transmissions in a network, switching means are provided, by means of which a change can be carried out between a first data transmission type and a second data transmission type, as alternative data transmission types between a transmitter and a receiver. The change... Agent:

20110096852 - Radio reception device, radio transmission device, and feedback method: Provided are a radio reception device, a radio transmission device, and a feedback method which can uniformly guarantee the feedback accuracy of an average CQI even when the transmission band width is different. A channel estimation unit (103) uses a pilot signal to obtain SINR for each RB. A feedback... Agent: Panasonic Corporation

20110096853 - Channel estimation in communications: A time averaging filter for channel estimation is described. Different time averaging is used for different taps or tones of a communication system. Two methods are suggested for determining the time-averaging filter for channel estimation for the communication systems without prior knowledge of SNR, channel Doppler and fading statistics. The... Agent:

20110096854 - Communications system utilizing orthogonal linear frequency modulated waveforms: An orthogonal linear frequency modulation (OLFM) communications system where orthogonal sub-sweeps experience the same channel condition and subsequent SNR allowing for uniform power allocation and data modulation per sub-sweep and an efficient exchange of modulation parameters for more optimized communications.... Agent: Thales Canada Inc.

20110096856 - Ofdm transmitter and method for multi-user mimo transmissions: An orthogonal-frequency division multiplexed (OFDM) transmitter is configured to transmit a data unit in accordance with a multiple-input multiple-output (MIMO) technique over a wideband channel comprising a 20 MHz channel and another channel using a plurality of spatially diverse antennas. The transmitter is further configured to include in the data... Agent: Intel Corporation

20110096855 - Polarization division multiplexed optical orthogonal frequency division multiplexing transmitter and receiver: Provided is a polarization division multiplexed optical OFDM transmitter. The polarization division multiplexed optical OFDM transmitter includes a data demultiplexer, a training symbol generation unit and an optical up-converter and polarization division multiplexing unit. The data demultiplexer divides a transmission signal into a plurality of groups. The training symbol generation... Agent: Electronics And Telecommunications Research Institute

20110096857 - 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

20110096859 - Method for feedback and method for configuring a codebook in multi-antenna system: A feedback method for a multi-antenna system is disclosed. The feedback method for use in the multi-antenna system can reduce an amount of transmission (Tx) feedback information associated with a precoding matrix (i.e., a codebook). For example, a single codebook may include precoding matrixes associated with several ranks. A basic... Agent:

20110096858 - Mimo decoding system and method: A method for decoding Spatial-Multiplexing MIMO in a system with 2 transmit (Tx) antennas, comprising: A. The baseband signal model is written using vector-notation, wherein, in the case of a system with 2 Tx antennas, the equation can be written with separated channel-matrix columns; B. For all M possibilities of... Agent:

20110096860 - Multi-antenna communication systems utilizing rf-based and baseband signal weighting and combining: A receiver operatively coupled to an antenna structure capable of receiving a first plurality of RF signals is disclosed herein. The receiver includes an RF processing network operative to perform weighting and combining operations within the RF domain using the first plurality of RF signals so as to produce a... Agent: Broadcom Corporation

20110096866 - Apparatus, and associated method, for communicating a data block in a multi carrier modulation communication scheme together with an identification sequence superimposed thereon: Apparatus, and an associated method, for facilitating communication of a data block communicated in an OFDM-based, communication system. Side-information required to be transmitted by many PAPR reduction schemes in OFDM is carried and transmitted by sending orthogonal binary sequences superimposed on the OFDM data sequence carrying the information to be... Agent: Research In Motion Limited

20110096865 - Digital predistortion transmitter: There is a need for effectively compensating distortion when a predistortion transmitter is subject to not only a memory effect due to nonlinearity of an amplifier, but also a modulator's DC offset, IQ unbalance, or local quadrature error. A predistortor to be used is a polynomial predistortor including a polynomial... Agent: Hitachi, Ltd.

20110096861 - Low complexity method and apparatus to append a cyclic extension to a continuous phase modulation (cpm) signal: The present invention provides a new and unique method and apparatus for cyclically extending a continuous phase modulation (CPM) block, which features transmitting each information symbol and its antipodal counterpart in any order within a data portion of the continuous phase modulation block. The continuous phase modulation block includes a... Agent: Nokia Corporation

20110096867 - Method and apparatus for providing pilot signals in ofdm frames: In a telecommunication network, pilot signals are provided in OFDM (orthogonal frequency division multiplexing) frames to enable the SC-FDMA (the single-carrier frequency division multiple access) concept to work with the OFDMA concept in uplink substantially harmonically, wherein each OFDM frame includes a predetermined plurality of OFDM symbols, and at least... Agent:

20110096864 - Programmable digital clock control scheme to minimize spur effect on a receiver: A device includes an analog front end for receiving a radio frequency (RF) signal. The analog front end contains a local oscillator that is tuned to a local oscillation frequency for down-converting the received RF signal to a first intermediate frequency (IF) signal. An analog-to-digital converter module converts the first... Agent: Maxlinear, Inc.

20110096862 - Radio communication apparatus, radio communication system, and radio communication method: Even when a CCFI error has arisen, there is prevented occurrence of a packet error, which would otherwise be caused during the first receiving operation for reasons of erroneous storage of data into a buffer, and data are prevented from being synthesized while deviated during retransmission. A transmission Circular Buffer... Agent: Panasonic Corporation

20110096869 - Signal converter, wireless signal transmission system, and wireless signal reception system: A signal converter 100 provided on an optical cable connecting the baseband unit 300 and the radio units 420 and 430. The signal converter 100 has a function to return time domain signals output from the baseband unit 300, to frequency domain signals and generate as many time domain signals... Agent: Kyocera Corporation

20110096868 - Transmission of a piece of multimedia content across a network to a telecommunication terminal: A method is provided for transmitting at least one piece of multimedia content to at least one telecommunication terminal, comprising: a step of sending, by a transmitting device, a request to establish a communication link-up between the transmitting device and the terminal, said sending step being carried out after an... Agent: France Telecom

20110096863 - Wireless transmitter for high mobility and high throughput and mode control method thereof: A wireless transmitter which performs reconfiguration for high mobility and high throughput includes: an operation mode decision unit configured to decide an operation mode depending on mobility, a required data rate, and wireless link performance; a clock generation unit configured to generate a plurality of clock signals; a selection unit... Agent: Electronics And Telecommunications Research Institute

20110096870 - Method and apparatus for vectored data transmission: An apparatus includes a transmitter configured to transmit data via a plurality of communication channels of a communication connection. The transmitter is further configured to transmit a same sequence for vector training on each of the communication channels. The sequences for at least two of the communication channels are shifted... Agent: Lantiq Deutschland Gmbh

20110096871 - Data transmission method: A data transmission method is disclosed, and the method comprises: encoding binary data to be transmitted with encoding principle as follows: encoding binary data x1 in the manner of no jumping at middle phase; encoding binary data x2 in the manner of jumping at middle phase; and after encoding two... Agent: Zte Corporation

20110096872 - Correlation device and method: A correlation device and method is provided. According to the present invention, the correlation device comprises a first signal path for receiving a received signal; at least one second signal path for receiving the received signal and eliminating effect of a subcarrier component of the received signal; and a correlation... Agent: Mediatek Inc.

20110096873 - Method for post detection improvement in mimo: A two-stage approach to MIMO detection improves receiver performance in a computationally tractable manner. A whitening joint detector processes a MIMO symbol stream. The whitening joint detector includes a pre-filter operative to suppress a first subset of the received MIMO streams as colored noise. The whitening joint detector further includes... Agent:

20110096874 - Wideband personal-radio recorder: Methods and apparatuses for concurrently recording multiple radio channels. A recorder includes a wideband tuner having a complex mixer for converting a received wideband RF signal to a complex signal that is then digitized. A digital front end module applies a number of complex down-mixers to the digital complex signal... Agent: Maxlinear, Inc.

20110096875 - Adaptive digital baseband receiver: An adaptive digital baseband receiver is described in which operating parameters of the receiver, such as bit-widths and operating frequencies, are determined that achieve a target bit-error-ratio (BER) as a function of received signal-to-noise ratio (SNR) and interference levels in a wireless channel and enable the receiver to consume a... Agent: Indian Institute Of Science

20110096876 - Method and device for detecting a phase error of a signal: A method for receiving a signal having a succession of symbols, transmitted by a digital modulation, each symbol transmitted having a phase and an amplitude belonging to a set of values in finite number, the method includes evaluating a phase error (PHE) on a received symbol (S), resulting from a... Agent: Stmicroelectronics (grenoble 2) Sas

20110096877 - Wireless receiver and feedback method: Disclosed is a wireless receiver and feedback method for reducing the amount of CQI feedback in a MIMO channel. A channel estimation unit (103) uses a received pilot signal to estimate the channel matrix for each RB between respective transceiver antennas, and then performs eigenvalue decomposition of the estimated channel... Agent: Panasonic Corporation

20110096878 - Delta-sigma analog-to-digital converter, radio receiver, communication apparatus, method, and computer program: A delta-sigma analog-to-digital converter (ADC) is disclosed. The ADC comprises a forward path structure; a feedback structure; and a first subtraction element arranged to receive an input signal to the delta-sigma analog-to-digital converter and a feedback signal from the feedback structure and output a difference signal, which is a difference... Agent: Telefonaktiebolaget L M Ericsson (publ)

20110096879 - Filter processing device and semiconductor device: The present invention provides a technique for changing the number of taps in filter processing without the need for execution of branch processing. A filter processing device comprises: an arithmetic circuit that performs arithmetic processing for filtering operation; an internal register that retains data to be subjected to arithmetic processing... Agent:

20110096880 - Lossless transfer of events across clock domains: Transfer circuits (200, 400, 500) for monitoring in a monitor clock domain target events that occur in a target clock domain (170) are disclosed. Some embodiments (200) impose significant constraints on the domain clocks and include: an event detector (210); a sending circuit (220) that changes the value of a... Agent: Nxp, B.v.

20110096881 - Method and device for clock data recovery: A method for the recovery of a clock signal from a data signal, wherein the edges of the data signal and the clock signal are each presented by an ordered sequence of timing points, comprising determining missing edges in the sequence of data-signal edges, inserting new data-signal edges (Dx) into... Agent: Rohde & Schwarz Gmbh & Co. Kg

20110096882 - Method and apparatus for deskewing data transmissions: The present invention discloses a method and apparatus for addressing the issue of clock skew in a data signal while making efficient use of space on an integrated chip (IC) by utilising a physical delay line controlled by a state machine in conjunction with pre-requisite chip architecture. The pre-requisite chip... Agent: Avalon Microelectronics, Inc.

20110096883 - Symbol synchronization apparatus and method of passive rfid reader: Provided is a symbol synchronization apparatus and method of a passive REID reader. The symbol synchronization apparatus includes: an edge clock detector generating edge clocks by detecting phase inversion positions of a received signal; a preamble detector detecting a preamble section by analyzing the generation times of the edge clocks;... Agent:

20110096884 - System and method for implementing a phase detector to support a data transmission procedure: A system and method for effectively supporting a data transmission procedure includes a phase-locked loop with a phase detector that compares a clock signal and input data to generate a phase error signal for adjusting the clock signal that is generated from a voltage-controlled oscillator. The phase detector includes a... Agent:

20110090939 - System and method for management of a shared frequency band: A system, method, software and related functions are provided for managing activity in a radio frequency band that is shared, both in frequency and time, by signals of multiple types. An example of such a frequency band is an unlicensed frequency band. Radio frequency energy in the frequency band is... Agent: Cisco Technology, Inc.

20110090940 - Duty cycle correction circuitry: Closed-loop techniques for adjusting the duty cycle of a cyclical signal, e.g., a clock signal, to approach a target value. In an exemplary embodiment, a charge pump is coupled to a charge and sample module, which drives a de-skew circuit in a negative feedback loop. The charge and sample module... Agent: Qualcomm Incorporated

20110090941 - Method and apparatus for retransmitting information: To address the need for new techniques that are able to address overlapping channel collisions various embodiments are described. They are used to introduce the concept of retransmission-permutation, in which a bit-to-subcarrier assignment is permuted (1301) during packet retransmission (1302), thus departing from the well-known, simply-repeat paradigm. Various embodiments are... Agent: Alcatel-lucent Usa Inc.

20110090942 - System and methods for wireless networking: A networking system for wirelessly transmitting a signal between one or more computers. The system includes, in a first transceiver pair, an upper transceiver configured to be coupled to be suspended overhead and lower transceiver configured as a ground unit. The upper and lower transceivers include an RF transmitter configured... Agent: Sony Electronics, Inc.

20110090943 - Method for identifying signals of the same origin: A method for identifying signals of the same origin is described. The signals are identified based upon a method of system analysis, wherein an accumulated value of an attenuation weighted by power of an incoming channel, the so-called correspondence coefficient, is used as the criterion whether two signals are of... Agent:

20110090944 - Apparatus and method for signal quality measurement on gfsk signals: The present invention discloses an effective apparatus and method to measure the received signal quality for a GFSK modulated signal with (or without) an unknown modulation index. The signal quality measurements are based on the decoded (unknown or known) bits and the trellis of the frequency discriminator output. This trellis... Agent:

20110090945 - Method and apparatus for cooperative mimo transmission operation in multicell wireless network: A method and apparatus of configuring a multi-cell precoding matrix for a multiple input multiple output (MIMO) operation in a wireless communication system in which a plurality of base stations participate in cooperative communication is provided. A multi-cell precoding matrix is configured using one or more single-cell precoding matrices, and... Agent:

20110090946 - Equalizer in a wireless communication system: Techniques for performing equalization at a receiver are described. In an aspect, equalization is performed by sub-sampling an over-sampled input signal to obtain multiple sub-sampled signals. An over-sampled channel impulse response estimate is derived and sub-sampled to obtain multiple sub-sampled channel impulse response estimates. At least one set of equalizer... Agent: Qualcomm Incorporated

20110090947 - Decision feedback equalizers and operating methods thereof: A method for updating a tap coefficient of a decision feedback equalizer is provided. The method includes sampling a first input signal received by a sampler of a decision feedback equalizer. It is determined if an amplitude of the first input signal falls within a range defined between a first... Agent: Taiwan Semiconductor Manufacturing Company, Ltd.

20110090948 - Adaptive qam transmission scheme to improve performance on an awgn channel: A cable transmitter supports a number of low density parity check (LDPC) coding rates, e.g., 1/4, 1/3, 2/5, 1/2, 3/5, 2/3, 3/4, 4/5, 5/6, 8/9 and 9/10; and supports a number of quadrature amplitude modulation (QAM) schemes, e.g., 4-QAM, 16-QAM, 64-QAM, 256-QAM, 1024-QAM or higher. For a selected modulation scheme,... Agent:

20110090949 - Multi-channel video communication method and system: A multi-channel video communication method which includes: detecting network status information and attributes of at least two remote clients, and establishing a video communication connection; selecting a video encoding parameter corresponding to each remote client according to the network status information and the attributes of each remote client; encoding raw... Agent: Tencent Technology (shenzhen) Company Limited

20110090951 - Method for selecting content adaptive coding mode: Method for selecting content adaptive coding mode is disclosed. The method can apply a critical value to update by taking the advantages of a content adaptive MCTF update method and a covered pixel detection algorithm and, at the same time, improve the image quality by selecting a block having improper... Agent: Dongguk University Industry - Academic Cooperation Foundation

20110090950 - System and method for enhancing data compression using dynamic learning and control: A data compression system and method for achieving enhanced compression performance in a plurality of encoder-decoder pairs communicatively coupled in a concatenated chain is disclosed. The plurality of encoder-decoder pairs receive input data and transform the input data into compressed output data. The data compression system includes at least one... Agent: General Electric Company

20110090953 - Budget encoding: A method includes receiving streaming media data having a media frame and a frame index referencing the media frame; allocating a frame budget for an output media frame by estimating a frame size of the output media frame based on the frame index; generating the output media frame in real-time... Agent:

20110090955 - Predictive adaptive scan ordering for video coding: An apparatus comprising an inter-prediction motion compensation unit, a transform unit coupled to the inter-prediction motion compensation unit, a quantization unit coupled to the transform unit such that the transform unit is positioned between the inter-prediction motion compensation unit and the quantization unit, a scanning unit coupled to the quantization... Agent: Futurewei Technologies, Inc.

20110090954 - Video codes with directional transforms: An encoded video in the form of a bitstream includes a sequence of frames, and each frame is partitioned into encoded blocks. A context for decoding is selected for each encoded block. The bitstream is entropy decoded based on the context to obtain a transform indicator difference. The transform index,... Agent:

20110090959 - Bit-depth scalability: To increase efficiency of a bit-depth scalable data-stream an inter-layer prediction is obtained by mapping samples of the representation of the picture or video source data with a first picture sample bit-depth from a first dynamic range corresponding to the first picture sample bit-depth to a second dynamic range greater... Agent: Fraunhofer-gesellschaft Zur Foerderung Der Angewandten Forschung E.v.

20110090956 - Compression method using adaptive field data selection: A compression method using adaptive field data selection is able to compress video or other data while retaining quality. By determining if pixels in a field are able to be predicted, the method is able to retain the information that is not able to be predicted and predict the other... Agent: Sony Electronics Inc.

20110090958 - Network abstraction layer (nal)-aware multiplexer with feedback: Advanced multiplexing methods and apparatus that are especially useful in multiplexing variable bit rate input video streams onto a fixed bandwidth output stream with minimum effect on video quality are described. A multiplexer provides feedback to a stagger transmitter to help it maintain its output bit rate. In addition, the... Agent:

20110090960 - Rate control model adaptation based on slice dependencies for video coding: Statistics for estimating quantization factors of a coding-unit type (e.g., B-coded or I-coded) pictures are determined from other, possibly different (e.g., P-coded) pictures, or previously coded coding-units. Bit rate and quality relationships between such coding-unit types may be used with the quantization parameters. Estimating bit rate and quality relationships between... Agent: Dolby Laboratories Licensing Corporation

20110090957 - Video codec method, video encoding device and video decoding device using the same: A video codec method synchronizes long term reference frames in a video encoding device and a video decoding device of a video communication system. The video encoding device encodes video frames to code streams in an inter-prediction mode and set the corresponding reference frames to non-committed long term reference frames.... Agent: Hon Hai Precision Industry Co., Ltd.

20110090962 - Effective error concealment in real-world transmission environment: Presented herein are system(s), method(s), and apparatus for effective error concealment in real-world video transmission environments. In one embodiment, there is described a method for concealing errors in video data. The method comprises detecting whether a slice group in a picture contains errors; and replacing the slice group in the... Agent:

20110090961 - Method and apparatus for adaptive quantization in digital video coding: The invention relates to adjusting the quantization parameter in digital video coding. A shift value (QP Shift) is used to adjust the quantization parameter. The shift value is determined in a determining step 101. The video nature is determined and compared with a threshold in a comparing step 102 to... Agent: Hong Kong Applied Science And Technology Research Institute Company Limited

20110090965 - Generation of synchronized bidirectional frames and uses thereof: A digital video processing method implementable on an apparatus, comprising performing on a reconstructed digital video frame, by a processor, a transform 110, a quantization 121, a dequantization 122 and an inverse transform 123 to convert a digital video bitstream with hierarchical B frame structure into a digital video bitstream... Agent: Hong Kong Applied Science And Technology Research Institute Company Limited

20110090967 - Image-encoding method and a device therefor, and image-decoding method and a device therefor: An image encoding method is provided, in which image data divided into basic blocks is classified in units of groups and subgroups, wherein each group comprises at least one basic block and each subgroup comprises at least one basic block and is included in each group; an encoding mode for... Agent: Samsung Electronics Co., Ltd.

20110090963 - Method and apparatus for zoom motion estimation: In accordance with an example embodiment of the present invention, the present invention provides method and apparatus for motion compensated prediction. Apart from translational motion, zoom motion is taken into account by sampling an interpolated frame with one or more selected sampling rates to generate one or more zoom reference... Agent: Hong Kong Applied Science And Technology Research Institute Company Limited

20110090964 - Methods and apparatus for adaptively choosing a search range for motion estimation: Systems, methods, and computer program products that can be used to determine a search range (SR) when performing motion estimation at, for example, a video encoder or decoder. Determining a motion vector for a current block during motion estimation may involve searching within a search window that may reside in... Agent:

20110090966 - Video predictive coding device and video predictive decoding device: According to one embodiment, a video coding device includes: a bi-directional predictor that generates a predicted image of an image to be coded by using a reference image, which includes a decoded image of a bi-directionally predictive coded image, and motion vector information; and a coder that codes a prediction... Agent: Kabushiki Kaisha Toshiba

20110090952 - Directional transforms for video and image coding: A bitstream includes a sequence of frames. Each frame is partitioned into encoded blocks. For each block, a set of paths is determined at a transform angle determined from a transform index in the bitstream. Transform coefficients are obtained from bitstream. The transform coefficients include one DC coefficient for each... Agent:

20110090968 - Low-cost video encoder: A method for encoding a new unit of video data includes: (1) incrementally, in raster order, decoding blocks within a search window of a unit of encoded reference video data into a reference window buffer, and (2) encoding, in raster order, each block of the new unit of video data... Agent: Omnivision Technologies, Inc.

20110090969 - Method and apparatus for decoding video signal: A method and apparatus for decoding a video signal are disclosed. A method for decoding a video signal includes obtaining block type information of a current block, confirming a prediction mode of the current block based on the block type information, obtaining, if the prediction mode of the current block... Agent: Lg Electronics Inc.

20110090970 - Terminal and relay node for video conference system: A terminal, a relay node, and a stream processing method for a video conference system may be provided. A transmitting terminal may receive media data, generate elementary streams from the media data, generate a transport stream by multiplexing the elementary streams, and transmit the transport stream to a relay node... Agent: Electronics And Telecommunications Research Institute

20110090971 - Doppler estimator for ofdm systems: A method of estimating the Doppler spread of a communication channel includes computing a first sum defined by a difference between the pilot tones of a first group of N symbols and a corresponding pilot tones of a second group of N symbols preceding the first group of N symbols,... Agent: Maxlinear, Inc.

20110090972 - Blind slm and pts method with low decoding complexity of ofdm signals: Disclosed is a BSLM method of generating U independent alternative symbol sequences by changing a phase of symbol sequences by phase sequences and transmitting the alternative symbol sequences with a PAPR to lower the PARR of a transmission signal of a transmitter in an OFDM system. The transmitter uses m-sequences... Agent:

20110090976 - Method for transmitting beam forming information and a method for tracking position of a mobile station in multi input multi output system using codebook-based beam forming scheme: A method for transmitting feedback information in a codebook-based multiple-input multiple-output (MIMO) system is disclosed. For example, a method for transmitting beamforming information in a MIMO system using a codebook-based beamforming scheme includes receiving a signal and estimating a reception channel, and transmitting beamforming information selected through the estimated channel... Agent:

20110090978 - Method, apparatus, and system for channel estimation: In the field of communications technologies, a method, an apparatus, and a system for channel estimation are provided. The method for channel estimation includes the following steps. An error signal returned by a terminal is received, where the error signal is an error signal of at least two tones in... Agent: Huawei Technologies Co., Ltd.

20110090977 - Methods for mapping and de-mapping data, transmitting device and receiving device: An apparatus and a method for mapping data and de-mapping data are provided. In the method, each modulated datum is mapped into two centrosymmetric Orthogonal Frequency Division Multiplexing (OFDM) subcarriers at the transmitting end, a certain functional transformation is performed on data in one of the two OFDM subcarriers, and... Agent: Beijing Samsung Telecom R & D Center

20110090979 - Midamble allocations for mimo transmissions: Allocation of multiple training sequences transmitted in a MIMO timeslot from multiple transmit antenna elements is provided. For example, a method of generating signals in a MIMO timeslot, the method comprising: selecting a first training sequence; preparing a first data payload; generating a first signal including the prepared first data... Agent: Sony Corporation

20110090975 - Ofdm inter-carrier interference cancellation method: The OFDM channel estimation and Inter-Carrier Interference (ICI) cancellation method uses a few pilots within Orthogonal Frequency Division Multiplexing (OFDM) systems in general, and mobile OFDM systems in particular. The frequency domain channel is estimated using an eigenvalue based model reduction technique with high accuracy. A Minimum Mean Square Error... Agent:

20110090974 - Scheduling collaborative uplink transmissions in ofdma systems using multipath direction of arrival analysis: Techniques are provided for receiving uplink transmissions at a plurality of antennas at a base station from a plurality of client stations. Uplink spatial transmissions are analyzed to produce a plurality of direction of arrival (DOA) components associated with the plurality of client stations. The DOA components associated with the... Agent: Cisco Technology, Inc.

20110090973 - System and method for symbol boundary detection in orthogonal frequency divison multiplexing based data communication: A method for determining a symbol boundary of a data packet of a received signal, where the data packet includes a first training field, a guard interval, and a second training field. The received signal is sampled to obtain multiple samples. A first symbol boundary estimate is determined using one... Agent: Freescale Semiconductor, Inc

20110090980 - Channel information prediction system and channel information prediction method: Provided is a channel information prediction system which uses a low ray element in a transformation MIMO CSI to calculate a first prediction filter coefficient. By using the obtained first prediction filter coefficient, the system executes a first prediction for predicting channel information upon a radio signal transmission in the... Agent: Kyocera Corporation

20110090981 - Method and apparatus for communication site planning: The present invention relates to a solution for determining wireless communication cell characteristics related to wireless MIMO transmission mode and dynamically selecting suitable communication transmission mode for certain parts of the wireless communication cell. The solution uses a flatness spectrum analysis of received impulse response from a plurality of measurement... Agent: Telefonaktiebolaget L M Ericsson (publ)

20110090982 - Methods and apparatus for dynamic wireless device coexistence: Methods and apparatus for dynamically compensating for the effects of interference between multiple wireless communications apparatus. In one embodiment, the method comprises providing a first wireless communication apparatus operating in a first band and a second wireless communication apparatus operating in the same first band (or proximate to the first... Agent:

20110090987 - Apparatus for transmission and reception with transmit diversity using cyclic subcarrier shift: Provided is a technology adopting multiple transmit antennas in a radio communication system. In a mobile communication system of a signal carrier frequency division multiple access (SC-FDMA) scheme, it is possible to transmit data using the multiple transmit antennas, while maintaining a peak to average power ratio (PAPR) to be... Agent: Electronics And Telecommunications Research Institute

20110090986 - Method for transmitting data in wireless communication system: A data transmission method in a wireless communication system is provided. The method includes allocating a plurality of pilot resources for supporting pilot transmission through a plurality of antennas, and if there are residue pilot resources not used in the pilot transmission among the plurality of pilot resources, transmitting data... Agent:

20110090985 - Method, codebook, and base station for precoding: A method, a codebook, and a Base Station (BS) for precoding are provided. The precoding method includes: obtaining a total uplink power of a User Equipment (UE); if the total uplink power is greater than ¾ of a rated total transmit power of antennas, selecting a codeword from a first... Agent: Huawei Technologies Co., Ltd.

20110090984 - Systems and methods for providing atc overlay protocols: An embodiment of the present invention sets forth a method for modulating a signal to include broadcast data, modulating the signal to include an overlay message comprising an address and data for an intended recipient, and transmitting the modulated signal including both the broadcast data and the overlay message including... Agent:

20110090983 - Transmission strategy in mbsfn subframes: Certain aspects of the present disclosure relate to techniques for adjusting transmission gap between Multicast Broadcast Single Frequency Network (MBSFN) symbols and non-MBFSN symbols within a MBSFN subframe.... Agent: Qualcomm Incorporated

20110090988 - Apparatus and methods for qam modulation using dual polar modulation: Apparatus and methods for QAM modulation are disclosed using dual polar modulation. QAM modulation of a signal is accomplished by translating a QAM signal into two phasors having the same or constant amplitude and then phase shifting one of the phasor by 180 degrees for a differential load. The phasors... Agent: Qualcomm Incorporated

20110090989 - Apparatus and method for removing dc offset in wireless communication system: An apparatus and method for removing a Direct Current (DC) offset at a receiving terminal in a wireless communication system are provided. In the method, a frame is divided into at least two time resource blocks. Resource allocation information is used to discriminate between at least one time resource block... Agent: Samsung Electronics Co. Ltd.

20110090990 - Demodulation apparatus, demodulation method, and electronic device: Disclosed herein is a demodulation apparatus including: an operation determination block configured to determine whether the demodulation apparatus operates as part of either a first device or a second device with which the demodulation apparatus communicates, the first device being configured to ASK-modulate and transmit data, the second device being... Agent: Sony Corporation

20110090991 - Method and apparatus for phase reference tracking of digital phase modulated signals in the receiver: s

20110090992 - Ofdm receiver and method for compensating for i/q imbalance: An OFDM receiver for compensating for I/Q imbalance is provided. The OFDM receiver includes an I/Q demodulator demodulating a received signal into a baseband in-phase (I) channel signal and a baseband quadrature (Q) channel signal, and an I/Q imbalance compensator compensating for imbalance between the I-channel signal and the Q-channel... Agent: Electronics And Telecommunications Research Institute

20110090993 - Signal processing method and data processing method and apparatus: The present invention discloses a signal processing method and a data processing method and apparatus. A time-domain to frequency-domain signal processing method includes: pre-processing time-domain data; pre-rotating the pre-processed data by using a rotation factor a·WNn+0.5; performing a discrete Fourier transform (DFT) of N/4 points on the pre-rotated data; and... Agent:

20110090994 - Decoding method and associated apparatus: A decoding method for determining a preferred survivor path in a decoding process is provided. The method includes calculating a first determination value of a first survivor path at a first time point, the first determination value being determined by a first sub determination value and a second determination value... Agent: Mstar Semiconductor, Inc.

20110090995 - Simultaneous cell group and cyclic prefix detection method, apparatus and system: A method, and associated apparatus and system, for simultaneous cell group and cyclic prefix (CP) detection, having the steps of determining primary synchronization signal (P-SyS) timing τ using the P-SyS; based on τ, determine a secondary synchronization signal (S-SyS) timing; placing a single Fast Fourier Transform (FFT) window; FFT processing... Agent:

20110090996 - Method and system for interference suppression in wcdma systems: Aspects of a method and system for interference suppression in WCDMA systems may include one or more circuits that are operable to receive a plurality of multipath signals via one or more receiving antennas. A plurality of weighting factor values may be computed based on the received multipath signals. Estimated... Agent:

20110090997 - Method for transmitting synchronization channel using multi-antenna: A method for transmitting a synchronization channel using multi-antenna is disclosed. In a method for transmitting a synchronization channel for using a synchronization channel as a phase reference when decoding a broadcast channel, the method includes using a pre-decided shift value for each antenna, wherein the shift value is pre-decided... Agent:

20110090998 - Adc-based mixed-mode digital phase-locked loop: A Phase-Locked Loop (PLL) includes a Phase-to-Digital Converter (PDC), a programmable digital loop filter, a Digitally-Controlled Oscillator (DCO), and a loop divider. Within the PDC, phase information is converted into a stream of digital values by a charge pump and an Analog-to-Digital Converter (ADC). The stream of digital values is... Agent: Qualcomm Incorporated

20110090999 - Stream data recording device, stream data editing device, stream data reproducing device, stream data recording method, and stream data reproducing method: When recording stream data, index information and time correction information are recorded in correspondence with the stream data. The index information specifies a position of an invalid section in the stream data. The time correction information specifies a time which, supposing that a PCR included in the invalid section was... Agent:

20110085583 - Reception apparatus using spread spectrum communication scheme: In a reception apparatus, a matched filter that has conventionally been arranged in a searcher unit is mounted on an acquisition unit together with a large scale memory. The large scale memory once stores reception chip signals, and thereafter outputs them to the matched filter and to the delay profile... Agent: Renesas Technology Corp.

20110085584 - Long-reach ethernet system and relay: The present invention discloses a long-reach Ethernet system. The system includes a first Ethernet device and a second Ethernet device which communicate with each other, and a relay; wherein one of the first Ethernet device and the second Ethernet device is a conventional Ethernet device, and the other one of... Agent: Hangzhou H3c Technologies Co., Ltd.

20110085585 - Wireless communication system, wireless communication apparatus, and buffer clearing method: A wireless communication apparatus wherein the buffer size can be reduced without increasing the overhead of signalings. In this apparatus, a buffer (201) stores transport data. A radio receiving part (206) receives a response signal responsive to a transport data transmitted by the local apparatus; a response signal responsive to... Agent: Panasonic Corporation

20110085587 - Method for operating a radio station in a cellular communication network: The present invention relates to a method for operating a primary station comprising a transceiver for communicating with a plurality of secondary stations, said transceiver including at least two antennas, the method comprising the primary station transmitting to a secondary station for a single spatial channel at least one first... Agent: Sharp Kabushiki Kaisha

20110085588 - Method for precoding based on antenna grouping: A method an apparatus for performing uplink transmission in a user device with a plurality of transmit antennas, including transmitting a first data stream from a first subset of the antennas according to a first precoding vector wherein the first precoding vector may be any vector in a precoding codebook,... Agent: Motorola-mobility, Inc.

20110085586 - Total bandwidth conditioning device: A device for conditioning a total bandwidth includes a return path extending at least a portion of a distance between a supplier side connector and a user side connector, and a forward path extending at least a portion of a distance between the supplier side connector and the user side... Agent: John Mezzalingua Associates, Inc.

20110085590 - Method for digital wireless communications: In a multivalue modulation type with one pilot symbol inserted for every 3 or more symbols, signal points of each one symbol immediately before and after a pilot symbol are modulated using a modulation type different from that for pilot symbols. In this way, it is possible to suppress deterioration... Agent: Panasonic Corporation

20110085589 - Power spectral distribution measurement to facilitate system acquisition: Wireless devices and techniques providing improved system acquisition in an environment of multiple co-existing technologies over a common frequency band are disclosed. In one aspect, at a remote terminal, a power spectral distribution (PSD) of received signals is sequentially measured in contiguous segments of a frequency band of interest. One... Agent: Qualcomm Incorporated

20110085591 - Receiving device and method of mobile communication system: An apparatus and a method for generating statistical signals having a characteristic similar to an input signal of a receiving apparatus to determine an optimized filter coefficient through an adaptive equalization algorithm are provided. The apparatus includes a channel estimator, a statistical signal generator, and an adaptive algorithm processor. The... Agent: Samsung Electronics Co., Ltd.

20110085592 - Video frame loss recovery scheme: A video frame loss recovery scheme essentially belongs to a loss packet in a low overhead and low complicated recovery scheme and serves to protect P-frames of a group of pictures (GOP). Namely, if a P-frame of the same group of pictures loses during the transmission, a compensation frame could... Agent:

20110085593 - Macroblock level adaptive frame/field coding for digital video content: A method and system of encoding and decoding digital video content. The digital video content comprises a stream of pictures which can each be intra, predicted, or bi-predicted pictures. Each of the pictures comprises macroblocks that can be further divided into smaller blocks. The method entails encoding and decoding each... Agent: General Instrument Corporation

20110085594 - Method and apparatus for variable accuracy inter-picture timing specification for digital video encoding: A method and apparatus for variable accuracy inter-picture timing specification for digital video encoding is disclosed. Specifically, the present invention discloses a system that allows the relative timing of nearby video pictures to be encoded in a very efficient manner. In one embodiment, the display time difference between a current... Agent:

20110085595 - Signal compressing system: A multi-scanner scans a signal according to several different patterns. A scanning pattern selector determines which scanning pattern produced the most efficient coding result, for example, for runlength coding, and outputs a coded signal, coded most efficiently, and a selection signal which identifies the scanning pattern found to be most... Agent: Samsung Electronics Co., Ltd.

20110085596 - Signal compressing system: A multi-scanner scans a signal according to several different patterns. A scanning pattern selector determines which scanning pattern produced the most efficient coding result, for example, for runlength coding, and outputs a coded signal, coded most efficiently, and a selection signal which identifies the scanning pattern found to be most... Agent: Samsung Electronics Co., Ltd.

20110085597 - Signal compressing system: A multi-scanner scans a signal according to several different patterns. A scanning pattern selector determines which scanning pattern produced the most efficient coding result, for example, for runlength coding, and outputs a coded signal, coded most efficiently, and a selection signal which identifies the scanning pattern found to be most... Agent: Samsung Electronics Co., Ltd.

20110085598 - Signal compressing system: A multi-scanner scans a signal according to several different patterns. A scanning pattern selector determines which scanning pattern produced the most efficient coding result, for example, for runlength coding, and outputs a coded signal, coded most efficiently, and a selection signal which identifies the scanning pattern found to be most... Agent: Samsung Electronics Co., Ltd.

20110085599 - Signal compressing system: A multi-scanner scans a signal according to several different patterns. A scanning pattern selector determines which scanning pattern produced the most efficient coding result, for example, for runlength coding, and outputs a coded signal, coded most efficiently, and a selection signal which identifies the scanning pattern found to be most... Agent: Samsung Electronics Co., Ltd.

20110085600 - Decoding apparatus for a set-top box: A decoding apparatus includes at least one data input terminal receiving a program transport stream from an external set-top box. A decoder decodes the program transport stream and a data output terminal outputs the decoded content to an external device. The program transport stream is the same transport stream received... Agent: General Instrument Corporation

20110085603 - Digital broadcasting system and method of processing data: A digital broadcasting system and method of processing data are disclosed. Herein, a method of processing data of a transmitting system includes generating a service informative null packet including service-related information of mobile service data, and multiplexing a plurality of main service data packets, a plurality of mobile service data... Agent:

20110085602 - Video communication system, device and method based on feedback reference frames: Embodiments of the invention provide a video communication system, device and method on the basis of feedback reference frame. The method includes: receiving, by a video encoding end, video frame information fed back by a video decoding end, determining a reference frame for encoding current video image according to the... Agent: Tencent Technology (shenzhen) Company Ltd.

20110085601 - Video decoding apparatus and method based on multiprocessor: Disclosed are a multiprocessor-based video decoding apparatus and method. The multiprocessor-based video decoding apparatus includes: a stream parser dividing an input stream by row and parsing a skip counter and a quantization parameter of the input stream; and a plurality of processors acquiring the plurality of divided streams, the skip... Agent: Electronics And Telecommunications Research Institute

20110085604 - Image processing device, system and method: According to one embodiment, an image processing device includes an image decoder, an encoding difficulty calculator, an encoding difficulty modifier, a coding volume controller, an image encoder. The image decoder is configured to decode a compression coded input video signal and configured to calculate an image characteristic value of the... Agent: Kabushiki Kaisha Toshiba

20110085605 - Method, system and apparatus for evaluating video quality: A method, a system, and an apparatus for evaluating video quality are disclosed to improve accuracy of the evaluation. The method includes: obtaining information about a transmitted video; resolving the information about the transmitted video to obtain video frame parameters, where the video frame parameters include a compression distortion parameter... Agent:

20110085608 - Communication system, test apparatus, communication apparatus, communication method and test method: A communication system comprising a first communication apparatus and a second communication apparatus. The first communication apparatus includes a communicating section that communicates with the second communication apparatus via a first data signal line; an alive signal receiving section that receives, via a first alive signal line, an alive signal... Agent: Advantest Corporation

20110085607 - Energy management for wireless devices: A method for managing energy usage of a wireless device during a data transfer in a wireless communication network comprises determining a data rate associated with the data transfer, determining data processing requirements for processing data at the determined data rate, and dynamically adjusting, based on the determined requirements, one... Agent: Qualcomm Incorporated

20110085606 - Time orthogonalization of reference signals: An apparatus for providing wireless coverage to a plurality of sectors includes means for generating a reference sequence, and means for applying a time domain orthogonal sequence to the reference sequence to generate a reference signal for broadcasting over one of the sectors. An apparatus for wireless communications within a... Agent: Qualcomm Incorporated

20110085612 - Cognitive radio system, cognitive radio apparatus, and radio signal detection method: A radio system includes: a memory which stores a system parameter and a pseudo parameter, the system parameter being used for generation of a feature value specific to a search target radio system, the pseudo parameter being similar to the system parameter; a feature value generator which generates one or... Agent: Nec Corporation

20110085610 - Configurable spatial channel information feedback in wireless communication system: A method for configurable spatial channel information feedback in wireless communication systems is disclosed including receiving, at the wireless communication device, transmission from a plurality of antennas, receiving an indication of a feedback mode for feeding back spatial channel information that is based on correlations among at least some of... Agent: Motorola, Inc.

20110085609 - Device, system and method of communicating data over wireless communication symbols with check code: Some demonstrative embodiments include devices, systems and/or methods of communicating data over wireless communication symbols with check-code. For example, a wireless communication unit may transmit a sequence of wireless communication symbols representing transmitted data bits, wherein a symbol of the symbols includes at least one data block, which includes a... Agent:

20110085611 - Methods and apparatus for use in a wireless communications system that uses a multi-mode base station: A multi-mode base station includes a transmit standby mode and an active mode. Transmit standby mode of base station operation is a low power/low interference level of operation as compared to active mode. In transmit standby mode at least some of the synchronization signaling such as pilot tone signaling is... Agent: Qualcomm Incorporated

20110085613 - Mapping method and device for discontinuous transmission bits: A modulation mapping method and device for Discontinuous Transmission (DTX) bits are provided. The method includes: receiving binary symbols from a downlink physical channel; replacing symbol values of DTX bits in the binary symbols with symbol values of non-DTX bits, to obtained updated binary symbols; and performing modulation mapping on... Agent: Huawei Technologies Co., Ltd.

20110085614 - Selecting transmission technology for communications in wide area mobile networks: Method and RNC for selecting transmission technology when a UE enters the network, which checks whether the UE is MIMO and, if so and only one carrier is available, allocates its traffic to said carrier and uses a S-CPICH to provide all MIMO traffic with a diversity pilot and Virtual... Agent:

20110085615 - System of sharing data using transmission order: A data transmission apparatus and a data reception apparatus, are provided. The apparatuses may share data in a Peer-to-Peer (P2P) scheme via a network. The data transmission apparatus divides data into a plurality of segments, and determines a transmission order with respect to each of the divided segments. The data... Agent: Samsung Electronics Co., Ltd.

20110085616 - Digital to analog converter comprising mixer: In some embodiments, digital to analog converters are provided which comprise a plurality of cells. Each cell comprises a mixer and coupling circuitry to selectively couple a local oscillator signal to said mixer.... Agent:

20110085617 - System and method for providing a full fail-safe capability in signal transmission networks: Systems and methods for providing a full fail-safe capability in signal transmission networks are disclosed. For example, a system for providing a full fail-safe capability in signal transmission networks includes at least a first electronic circuit to transmit and receive signals or data, at least one driver unit coupled to... Agent: Intersil Americas Inc.

20110085618 - Method for semi-statically adapting uplink multiple-input multiple-output transmission: A method, a wireless terminal device, and a base station are disclosed. A receiving unit 408 may receive from a base station an antenna precoding instruction for an uplink transmission. A processor 304 may execute a modification of the antenna precoding instruction according to a transmit antenna adapter into a... Agent: Motorola, Inc.

20110085619 - System and method for synchronization, power control, calibration, and modulation in communication transmitters: A system is provided for processing a communication signal including a baseband amplitude component and a baseband phase component. The system includes an amplitude predictor configured for closed-loop pre-distortion of a baseband amplitude component, an amplitude lookup table configured for open-loop pre-distortion of the baseband amplitude component, and an amplitude... Agent: Pine Valley Investments, Inc.

20110085620 - Methods and apparatus for communicating information using non-coherent and coherent modulation: Non-coherent modulation is used to communicate coding information via pilot signals using a first subset of resources, and coherent modulation is used to generate data signals. This allows for a stronger global code while keeping individual signaling complexity low. First and second communications devices communicate information using a set of... Agent: Qualcomm Incorporated

20110085621 - Receiver: A receiver includes: a first amplifier for amplifying an input signal and outputting an output signal; a clock generator for generating a clock signal corresponding to a period of the output signal; a judger for outputting a first logical value or a second logical value in accordance with a phase... Agent: Fujitsu Limited

20110085622 - Dtv receiver and method of processing broadcast signal in dtv receiver: A DTV receiver includes a tuner tuning to a channel to receive a broadcast signal, and a demodulator demodulating the broadcast signal. The receiver further includes a first decoder which decodes main and enhanced data included in the demodulated signal by calculating soft decision values for the enhanced data and... Agent: Lg Electronics Inc.

20110085624 - Coded polarization-multiplexed iterative polar modulation: Systems and methods for optical communication that use a transmitter/receiver. The systems and methods include receiving a modulated, encoded input stream. Channel memory is reduced using coarse digital backpropagation and other channel impairments are removed using turbo equalization. Symbols are detected in the input stream that conform to a non-uniform,... Agent: Nec Laboratories America, Inc.

20110085623 - Method and apparatus for equalization of received signals: A receiver for a mobile communication device comprises an primary detector for generating an initial sequence estimate comprising a plurality of initial symbol estimates from a received symbol sequence corrupted by intersymbol interference, and a secondary detector to receive said initial sequence estimate and to output a final sequence estimate... Agent:

20110085625 - Receiver and semiconductor device: A receiver includes an automatic gain control (AGC) loop and a filter group that is arranged downstream of the AGC loop. The filter group includes an active filter. The receiver further includes a power difference detector and a switch circuit. The power difference detector detects a power difference between intermediate... Agent: Renesas Electronics Corporation

20110085627 - Interference rejection combining for multi-user mimo telecommunications system: Method and apparatus are provided for processing a received signal for making a symbol estimate of a symbol included in a signal transmitted in a Multiple-Input-Multiple-Output (MIMO) system. In an example mode, the method comprises (1) providing at least a sub-set of precoding matrices which are candidates for use in... Agent: Telefonaktiebolaget Lm Ericsson (publ)

20110085626 - Receive unit for reception of multiple satellite signals: A satellite receive unit for receiving a plurality of satellite signals from a plurality of satellites, the satellite receive unit including: a plurality of low noise blocks each for receiving one or more of the satellite signals and providing a received signal, at least one of the low noise blocks... Agent: Stmicroelectronics S.a.

20110085628 - Adaptive data dependent noise prediction (addnp): A method is provided. The method comprises calibrating noise prediction parameters by adapting one or more biases, adapting one or more filter coefficients using the adapted one or more biases, and adapting one or more prediction error variances using the adapted one or more biases and the adapted one or... Agent: Stmicroelectronics Srl.

20110085629 - Methods, devices and systems for processing a signal in the presence of narrowband interference: A method is disclosed for processing a received signal in the presence of an interference of a first type within the bandwidth of a desired signal of the received signal. The method comprises filtering the received signal using at least a first filter having at least a first filter characteristic... Agent:

20110085630 - Tcp flow clock extraction: A packet trace is received. The packet trace is transformed into a sequence of pulse signals in a temporal domain. The sequence of pulse signals in the temporal domain is transformed into a sequence of pulse signals in a frequency domain. Peaks are detected within relevant frequency bands in the... Agent:

20110085631 - Method and apparatus for unit interval calculation: A method is provided. In this method, a clock signal and an input signal are received, where the input signal is a Manchester encoded signal. A unit interval (UI) number is incremented for each UI received upon receipt of a valid UI. The UI number is compared to a plurality... Agent: Texas Instrument Incorporated

20110080935 - Channel hopping based content protection having an out-of-band communication band: One feature provides a method for transmitting content to a receiving device, by establishing channel hopping sequence information with the receiving device via a first communication band. The channel hopping sequence information is associated with a plurality of traffic channels within a second communication band. Moreover, the method entails transmitting... Agent: Qualcomm Incorporated

20110080936 - Orthogonal spread-spectrum waveform generation with non-contiguous spectral occupancy for use in cdma communications: The technology in this application spreads a signal over an available discontinuous spectrum, such as a radio frequency band, so that the spread signal only occupies the non-contiguous spectrum. In this way, CDMA transmission and reception can be used in a fragmented or non-contiguous spectrum that otherwise would not be... Agent: Telefonaktiebolaget Lm Ericsson (publ)

20110080937 - Transmit psd ceiling in packet-based ofdm systems: Adjusted maximum transmit PSD levels have an effect on the SNR. If the ADC noise is assumed to be the limiting factor, then there can be a benefit for reducing the maximum transmit PSD level. For example, by lowering the maximum transmit PSD level from −50 dBm/Hz to −70 dBm/Hz... Agent: Aware, Inc.

20110080938 - Vectored dsl crosstalk cancellation: A vector DSL system includes a plurality of modems, which may be multi-port devices. Unprocessed user data is extracted from the modems and passed through a private vectoring data routing apparatus to one or more vectoring modules, such as vectoring cards. Each vectoring module includes one or more vector processors... Agent:

20110080939 - Baseline wander compensation for perpendicular recording: A tail estimate signal which includes noise associated with baseline wander is generated. The tail estimate signal is generated by processing an input signal using a detector to obtain one or more decisions. Using the one or more decisions, the tail estimate signal is generated. The tail estimate signal is... Agent: Link_a_media Devices Corporation

20110080941 - Information processing apparatus and method: An information processing apparatus includes: on the basis of management information of a transcoding system of transcoding processing transcoding a format of a clip, an image generation mechanism generating a family tree being an image representing the clip by a node and representing a relationship between the clips on the... Agent:

20110080940 - Low latency cacheable media streaming: A low latency streaming system provides a stateless protocol between a client and server with reduced latency. The server embeds incremental information in media fragments that eliminates the usage of a typical control channel. In addition, the server provides uniform media fragment responses to media fragment requests, thereby allowing existing... Agent: Microsoft Corporation

20110080942 - Transmission apparatus and transmission method: A transmission apparatus includes: an encode section that encodes image data and is capable of controlling a generated code amount; a transmission section to wirelessly transmit the encoded image data; and a control section to detect a quality of a wireless transmission of the encoded image data and control, based... Agent: Sony Corporation

20110080943 - Video data compression apparatus and method of same: A video data compression apparatus with which compressed video data of suitable amounts of data can be produced and the time required for processing is short. The apparatus approximates a real difficulty data Dj indicating the difficulty of the pattern of each picture by the ME residual, flatness, and intra... Agent:

20110080945 - Apparatus and method for adapting scalable video coding bitstream: An apparatus and method for adapting a scalable video coding (SVC) bitstream is provided. The apparatus may include: a layer selection unit to select at least one quality layer from a plurality of quality layers contained in each of spatial layers of the SVC bitstream; a layer discarding unit to... Agent: Electronics And Telecommunications Research Institute

20110080944 - Real-time video transcoder and methods for use therewith: A transcoder includes a direct transcoder that generates a first portion of a transcoded video stream by reusing a plurality of encoding parameters of a compressed video stream. A cascaded transcoder generates a second portion of the transcoded video stream by decoding the compressed video stream into video data in... Agent: Vixs Systems, Inc.

20110080946 - Locally variable quantization and hybrid variable length coding for image and video compression: A coding method, apparatus, and storage media with instructions to carry out a method. The method operates on an ordered series of transform coefficients of a block of image data, and for a fixed quantization method, and includes quantizing and encoding the ordered series to form a coded bitstream. The... Agent:

20110080950 - Automatic selection of encoding parameters to control length of time to encode and send data over network: Data processing including encoding and sending is disclosed, which includes: encoding data using a selected one of a plurality of parameter sets each of which has at least one encoding parameter; calculating a length of an assigned time not exceeding a time limit for an original data set to be... Agent: Kddi Corporation

20110080951 - Image encoding method, image decoding method, image encoding apparatus, image decoding apparatus, and program: A technique for improving a compression rate without needing new determination information (encoding flag information) is provided. For compression of each area to be encoded, based on a skip mode (a process which does not compress information of the area to be encoded, but copies previous information of the area... Agent: Hitachi Consumer Electronics Co., Ltd.

20110080949 - Image processing apparatus, image processing method, and program: An image processing apparatus includes: a storage means for storing a decoded image, which is obtained by encoding pictures constituting a frame sequential, in which pictures of a first image and a second image each having a disparity are alternately arranged, and performing local decoding, as a reference picture which... Agent: Sony Corporation

20110080947 - Line-based compression for digital image data: A method of compressing digital image data is provided that includes selecting an entropy code for encoding a line of pixels in the digital image data, wherein the entropy code is selected from a plurality of variable length entropy codes, using spatial prediction to compute a pixel predictor and a... Agent:

20110080948 - Method and system for 3d video decoding using a tier system framework: A video receiver receives a layered and predicted compressed 3D video comprising a base view video and an enhancement view video. A portion of pictures in the received compressed 3D video are selected to be decoded for display at an intended pace. Pictures in the received compressed 3D video are... Agent:

20110080952 - System and method for adaptive intra refresh rate setting in a video encoder: A system and method for adaptive intra refresh rate setting for each video frame in a video encoder is disclosed. In one embodiment, a video encoding method includes computing channel induced distortion values at multiple intra refresh rates for a coded video frame as a function of channel loss and... Agent:

20110080955 - Method and apparatus for motion vector processing: A method for processing a plurality of motion vectors is disclosed. The method includes determining a number of different block sizes in the video frame; and, performing a variable block size motion vector process if the number of different block sizes in the video frame is greater than one, the... Agent: Qualcomm Incorporated

20110080953 - Method for determining a filter for interpolating one or more pixels of a frame and method and device for encoding or recoding a frame: The invention is related to a method for determining a filter for interpolating one or more pixels comprised in a frame. The proposed method comprises the step of determining the filter based on other pixels in the remainder of the frame wherein a motion vector associated with said pixels has... Agent: Thomson Licensing

20110080954 - Motion vector prediction in video coding: A method and apparatus is disclosed herein for motion vector prediction and coding. In one embodiment, the method comprises: deriving N motion vector predictors for a first block that has N motion vectors corresponding to N lists of reference frames and a current frame, including constructing one of the N... Agent:

20110080957 - Encoding adaptive deblocking filter methods for use therewith: A video filter includes a filter parameter generator receives a non-quantization coding parameter corresponding to video data and generates a plurality of deblocking filter parameters in response thereto. An adaptive deblocking filter filters the video data to generate processed video data, based on the plurality of deblocking filter parameters.... Agent: Vixs Systems, Inc.

20110080956 - Reducing memory bandwidth for processing digital image data: A method for processing digital image data is provided that includes compressing a block of the digital image data to generate a compressed block, storing the compressed block in an external memory when a number of bits in the compressed block does not exceed a first compression threshold, and storing... Agent:

20110080958 - Multimedia signature coding and decoding: A method and apparatus for coding and decoding the fingerprint of a multimedia item such as video or audio is disclosed. A multimedia content temporal, such as a video segment or audio segment, is described by a coarse fingerprint and a plurality of fine fingerprints, each fine fingerprint corresponding to... Agent:

20110080959 - Video reference frame retrieval: A video data processing apparatus is provided comprising processing circuitry for performing video processing operations requiring access to video reference frames, and a memory management unit configured to translate virtual addresses into physical addresses. Translation circuitry is provided responsive to a memory access request for reference frame pixel data issued... Agent: Arm Limited

20110080960 - Method and system for efficient transmission of anti-camcorder video: In embodiments of the present principles, the transmission bit rate of a video stream including anti-camcorder measures can be reduced while maintaining anti-camcorder effects and video quality. In one embodiment, a segmentor is included to segment a portion of a frame, such as a pixel, into most significant bits and... Agent:

20110080961 - Iterative precoder matrix computation method and apparatus: Precoder weights employed at a base station which coordinates with other base stations to form a super-cell are determined by: (a) determining an initial downlink precoding matrix at the base station for a mobile station serviced by the base station in the super-cell; (b) revising a downlink receiver matrix associated... Agent:

20110080962 - System and method for user equipment measurement timing in a relay cell: A system and method for user equipment (UE) measurement timing in a relay cell are provided. A method for controller operations includes broadcasting a first pattern of time intervals to communications devices served by a controller, and for a communication device served by the controller, determining a second pattern for... Agent: Futurewei Technologies, Inc.

20110080964 - Adaptive codebook for beamforming in limited feedback mimo systems: A method for beamforming is described. The method includes generating a pseudo-random unitary matrix. A first codebook is rotated with the pseudo-random unitary matrix. The method includes generating a second codebook based upon the rotated codebook and a correlation matrix. A codeword is selected from the second codebook using a... Agent: Nokia Corporation

20110080966 - Base station apparatus, sequence assigning method and reference signal generating method: Provided is a sequence allocation method capable of reducing inter-cell interference of a reference signal when a ZC sequence is used as the reference signal in a mobile communication system. In the sequence allocation method divides R×M sequences specified by a ZC sequence number r (r=1 to R) and a... Agent: Panasonic Corporation

20110080963 - Identification of packet traffic transmitted by various devices operated in multiple overlapped frequency bands in packet-based ofdm systems: Techniques for header encoding include encoding a plurality of bits using a forward error correction code, generating an FEC codeword comprising a plurality of encoded bits, and concatenating a first copy of the FEC codeword with a second copy of the FEC codeword, wherein the concatenating comprises cyclically shifting by... Agent: Aware, Inc.

20110080965 - Method and system for feedback of channel information: A base station is provided. The base station includes a transmit path circuitry configured to transmit downlink control information in a downlink control information (DCI) format to a subscriber station, and a receive path circuitry configured to receive multiple-input multiple-output (MIMO) feedback from the subscriber station in response to the... Agent: Samsung Electronics Co., Ltd.

20110080967 - Methods and arrangements in a wireless communication system for producing signal structure with cyclic prefix: The present invention relates to methods and arrangements in a wireless communication system supporting cyclic-prefix insertion, using a symbol sequence comprising a number of samples for transmission over a radio channel that enables the handling of very large signal delay spreads. The symbol sequence is built up by a first... Agent:

20110080968 - method for transmitting channel quality information in a multiple input multiple output system: A method for transmitting a CQI in a MIMO system is disclosed. A method for allowing a receiver to feed back a CQI value to a transmitter in a Multiple Input Multiple Output (MIMO) system includes, receiving a transmission (Tx) pilot signal for each Tx antenna from a base station... Agent:

20110080970 - Data transmission in a wide area mobile network: m

20110080972 - Method and apparatus for multi-antenna transmission in uplink: Method and apparatus for uplink transmission using multiple antennas are disclosed. A wireless transmit/receive unit (WTRU) performs space time transmit diversity (STTD) encoding on an input stream of a physical channel configured for STTD. Each physical channel may be mapped to either an in-phase (I) branch or a quadrature-phase (Q)... Agent: Interdigital Patent Holdings, Inc.

20110080969 - Multi-granular feedback reporting and feedback processing for precoding in telecommunications: A communications system comprises a second device (28) and a first device (30). The first device (30) is of a type which receives, on a downlink over a radio interface from a second device, precoded information (29). In an example mode the first device 28 generates a multi-part feedback signal... Agent: Telefonaktiebolaget Lm Ericsson (publ)

20110080971 - Multiple-input multiple-output communication system using explicit feedback: A multiple input multiple output (MIMO) communication system using an explicit feedback is provided. In the MIMO communication system using the explicit feedback, a receiver may generate an explicit feedback vector by calculating an explicit channel matrix, and by vectorizing the explicit channel matrix or an explicit channel matrix processed... Agent: Samsung Electronics Co., Ltd.

20110080973 - Common mode cancellation in differential networks: Embodiments of the invention include a common mode cancellation circuit and method for correcting signal skew in a differential circuit. According to one embodiment, an op amp circuit is used to correct the mismatch between transmission line lengths in the differential circuit. The CMCC can be embodied as an ASIC... Agent: International Business Machines Corporation

20110080975 - Mimo transmitting apparatus, mimo receiving apparatus, mimo transmission signal formation method, and mimo transmission signal separation method: Provided are a MIMO transmitting apparatus, a MIMO receiving apparatus, a MIMO transmission signal formation method, and a MIMO transmission signal separation method that improve a transmission efficiency. In a MIMO communication apparatus (100), a mapping unit (120) maps code words into a transmission stream on a per code-block basis... Agent: Panasonic Corporation

20110080974 - Radio transmitter apparatus: Radio transmitter apparatus for transmitting data over a radio channel, the apparatus comprising an encoder for encoding the data to be transmitted to generate a first symbol, a processor for calculating from the first symbol a second symbol, a modulator for modulating the first symbol onto a primary carrier in... Agent:

20110080976 - High data rate closed loop mimo scheme combining transmit diversity and data multiplexing: Closed loop multiple-antenna wireless communications system with antenna weights determined by maximizing a composite channel signal-to-interference-plus-noise ratio minimum. Multiplexed symbol streams over subsets of antennas enhance throughout.... Agent: Texas Instruments Incorporated

20110080977 - Apparatus for multicast transmissions in wireless local area networks: Message formats and apparatus are described that serve to reserve access to a communication medium in a multi-cast system. A first message, a multicast request-to-send message, includes a duration field having information representing the reserved time for a communication medium, a multicast receiver address field, a multicast transmitter address field,... Agent: Thomson Licensing

20110080978 - Multi-stage frequency offset estimation and compensation method and its circuit: A multi-stage frequency offset (FO) estimation and compensation method and its circuit are described. The method includes performing at least a stage of primary-level FO estimation and compensation procedure, and a stage of advance-level FO estimation and compensation procedure. The first stage receives an input carrier signal of a larger... Agent:

20110080980 - Multi-feed diversity receive system and method: Embodiments disclosed herein relate to diversity receive systems and methods. An antenna system may comprise a reflector and a plurality of feed antennas configured to receive a wireless signal from a common source with directional diversity. A receive system may comprise such antenna system in combination with a plurality of... Agent: Troll Systems Corporation

20110080979 - System and method for mimo decoding: A method, a system, a wireless device and a computer program product are provided. A process for decoding transmitted symbols in MIMO systems is provided. The received point coordinates and estimated candidate coordinates are represented by a reduced bit representation naturally dividing each dimension into uniformly sized bit segments. A... Agent:

20110080981 - Method and system for minimum mean squared error soft interference cancellation (mmse-sic) based suboptimal maximum likelihood (ml) detection for multiple input multiple output (mimo) wireless system: Various aspects of a method for minimum mean square error soft interference cancellation (MMSE-SIC) based sub-optimal maximum likelihood (ML) detection for a multiple input multiple output (MIMO) wireless system may comprise selecting at least one constellation point in a constellation map based on at least one of a plurality of... Agent:

20110080983 - Method for suppression of ofdm energy spectral density for minimization of out of band emission or utilization of fractured spectrum: The Energy spectral density of OFDM signals inherently rolls off slowly. Slow OFDM spectral rolloff has system level implications traditionally mitigated by some combination of the following: addition of bandlimiting filtering; use of significant guard bands of zeroed tones; and, guard time shaping. Each of these techniques negatively impact system... Agent: The Directv Group, Inc.

20110080982 - Signal quality estimation from coupling matrix: The quality of a received signal in a non-linear receiver is estimated using a coupling matrix G or Q that describes the interaction of symbols in the received signal with other symbols and/or how the impairment (noise and interference) interacts in the received signal. The coupling matrix is also useful... Agent:

20110080984 - Communication apparatus using synchronized clock signal: A communication apparatus using a synchronized clock signal includes: a communication signal generation unit generating one of a baseband signal and a signal obtained by applying digital modulation to the baseband signal, as a communication signal; an interface unit transmitting the generated communication signal and receiving a communication signal from... Agent: Electronics And Telecommunications Research Institute

20110080985 - Synchronization distribution in microwave backhaul networks: In some embodiments, a system comprises a clock, a root node, a radio channel network, and first and second child nodes. The clock may be configured to generate a clock signal. The root node may be configured to generate a first frame including a first payload and a first overhead... Agent: