Pulse or digital communications inventions 02/08

20080049813 - Mobile radio terminal: On the basis of control information for CQI transmission of which a base station notifies a mobile station, the mobile station transmits CQI information for each sub-frame in a case of best effort type service or transmits the base station the CQI information at one time for every four sub-frames... Agent: Frishauf, Holtz, Goodman & Chick, PC

20080049814 - Apparatus and method for estimating a channel in broadband wireless access system: An apparatus and a method for estimating a channel in a broadband wireless access system. A receiving apparatus includes a first channel estimation filter having a tap coefficient which is channel-adaptively variable, the first channel estimation filter acquiring a channel impulse response by filtering received pilot symbols, a second channel... Agent: The Farrell Law Firm, P.C.

20080049815 - Receiver for receiving a spectrum dispersion signal: A receiver for the CDMA system which reduces power consumption during a suspension period of intermittent receiving operation by monitoring a suspension period by a low-power timer so that a VC-TCXO, reference signal group generation and receiving units are turned off and a modem unit is set to a sleep... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20080049816 - Mobile communication system using receiving apparatus and power supply control method: A receiving apparatus includes an error detecting circuit configured to detect an error of a reception signal; an error correcting circuit configured to correct the detected error of the reception signal; a power measuring circuit configured to measure a power value of the reception signal; and a power supply control... Agent: Young & Thompson

20080049817 - Transceiver having multiple signal processing modes of operation: A transceiver includes a processor, which is adapted to in a transmit mode of the transceiver, form at least part of a transmitter and in a receive mode of the transceiver, form at least part of a receiver. The transceiver may include at least one analog-to-digital converter to provide digital... Agent: Trop, Pruner & Hu, P.C.

20080049818 - Multiple transmission protocol transceiver: A method and apparatus for receiving one of a plurality of Ethernet transmission protocol signals is disclosed. Each transmission protocol signal includes a plurality of transmission signal streams. The method includes determining which of the transmission protocol signals is being received. An analog front-end processor is connected to one of... Agent: Teranetics Patent Dept

20080049819 - Data communication system with self-test feature: A data communication system includes circuitry to assure components respond to variations in the time length of the valid data window or “eye” of the high speed data communication signal. A self-test portion of the system periodically injects the effects of phase jitter into the data communication signal to assure... Agent: Dillon & Yudell LLP

20080049821 - Modulation scheme deciding apparatus, receiving apparatus, modulation scheme deciding method and modulation scheme deciding program: A modulation scheme deciding apparatus, a receiving apparatus, a modulation scheme deciding method and modulation scheme deciding program can improve a performance of the frame modulation scheme decision without the influence of an error in the modulation scheme decision in each burst and improve throughput of the receiving apparatus. Receiver... Agent: Greenblum & Bernstein, P.L.C

20080049820 - Multi-antenna scheduling system and method: A wireless communication method and system using virtual MIMO (“V-MIMO”) are provided. Post processing signal to interference and noise ratios (“SINR”) for a plurality of signals corresponding to a plurality of mobile terminals arranged as a V-MIMO group are estimated. The one of the plurality of mobile terminals having the... Agent: Christopher & Weisberg, P.A.

20080049822 - Selectable-tap equalizer: A signaling circuit having a selectable-tap equalizer. The signaling circuit includes a buffer, a select circuit and an equalizing circuit. The buffer is used to store a plurality of data values that correspond to data signals transmitted on a signaling path during a first time interval. The select circuit is... Agent: Deniro/rambus

20080049824 - Apparatus for and method of controlling a feedforward filter of an equalizer: A method of synchronizing a feedforward filter that receives a signal resulting from the transmission of a series of symbols through a channel, wherein the series of symbols includes a predetermined sequence of symbols includes the step of developing a plurality of samples from the received symbols, wherein a sequence... Agent: Mccracken & Frank LLP

20080049823 - Methods and apparatuses for processing complex signals: A method for processing at least one complex signal may include equalizing compensating for a phase error of an input complex signal. The input complex signal may include a first channel signal and a second channel signal, which is perpendicular to the first channel signal. A phase imbalance and an... Agent: Harness, Dickey & Pierce, P.L.C

20080049825 - Equalizer with reorder: Embodiments include a decision feedback equalizer (DFE) circuit, including at least one reorder block configured to reorder a set of current sliced bit values based on one or more previous sliced bit values, and a selector configured to select one of the reordered current sliced bit values as a DFE... Agent: Brake Hughes Bellermann LLP C/o Intellevate

20080049826 - Graphics accelerator: 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 transmitters partial response pulse shaping filter in a demodulator,... Agent: Mcandrews Held & Malloy, Ltd

20080049827 - Systems and methods for implementing path diversity in a wireless communication network: A method of communicating over a wideband communication channel divided into a plurality of sub-channels comprises dividing a single serial message intended for one of the plurality of communication devices into a plurality of parallel messages, encoding each of the plurality of parallel messages onto at least some of the... Agent: Pulse-link, Inc.

20080049828 - Antenna driving apparatus: A transmitter portion 14 includes a control circuit 32, a driver circuit 33, and a wave detector circuit 35. The control circuit 32 generates control signals Vp, Vn based on a pulsed transmission signal So. The driver circuit 33, which is supplied with a battery voltage Vb, generates an output... Agent: Buchanan, Ingersoll & Rooney PC

20080049829 - Communications device and data transmission method: A communications device includes a supply terminal which is able to be connected to a two-position-controlled power supply; a pulse width recording device, which is coupled to the supply terminal and which records a pulse width of current pulses that flow through the supply terminal, and a signal processing device... Agent: Kenyon & Kenyon LLP

20080049830 - Multiple image source processing apparatus and method: Separate first and second input streams of image frames are received by a frame combiner module, which combines an image frame from the first stream with an image frame from the second stream to produce a single output stream of combined frames. The single output stream is encoded by an... Agent: Procopio, Cory, Hargreaves & Savitch LLP

20080049831 - Information processing apparatus, information processing method, information processing system, and storage medium: An image and motion corresponding to the image are presented in response to a request issued by an user. The user transmits image data from a terminal to a motion data generating apparatus. The motion data generating apparatus generates motion data from the received image data. The motion data generating... Agent: Frommer Lawrence & Haug

20080049833 - Image encoding device and image decoding device: Multiplexing means of an image encoding device multiplexes object display speed information or image display absolute time information, and an image decoding device performs image processing on the basis of the multiplexed object display speed information or image display absolute time information, whereby image decoding process can be performed smoothly... Agent: Birch Stewart Kolasch & Birch

20080049832 - Image encoding device, image decoding device, and integrated circuit used therein: An image decoding device and an image encoding device according to the present invention includes an arithmetic unit for performing arithmetic processing, an arithmetic data storage unit for storing an arithmetic result by the arithmetic unit, an input selection unit for selecting whether to read pixel data that is to... Agent: Wenderoth, Lind & Ponack L.L.P.

20080049835 - Moving image encoder and moving image decoder, and its method and program: In a time/space-division filtering, a moving image signal in a certain resolution-hierarchy, for which time hierarchizing is performed, is divided into a time low-band signal and a time high-band signal. A moving image signal, which has the moving image signal corresponding to the time high-band signal reconstructed by employing the... Agent: Foley And Lardner LLP Suite 500

20080049836 - method and system for a fast video transcoder: A method and system for fast video transcoding are disclosed. In one embodiment, the system comprises a processor, memory coupled to the processor, a video processor and a display. The video processor includes an input that receives MPEG-2 data; and an output that provides a bitstream to a display on... Agent: Orrick, Herrington & Sutcliffe, LLPIPProsecution Department

20080049837 - Image processing apparatus, program for same, and method of same: Motion prediction and compensation circuit does not select Skip mode and Direct mode in motion prediction and compensation mode when a difference between prediction motion vector and actual motion vector exceed predetermined standard.... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080049838 - Video coding method and apparatus for calculating motion vectors of the vertices of a patch of an image and transmitting information of horizontal and vertical components of the motion vectors: A method and apparatus for coding an image includes calculation of motion vectors of vertices of a patch in an image being encoded and transmitting information of horizontal and vertical components of the motion vectors of the vertices and information specifying that values of the horizontal and vertical components of... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20080049839 - Video coding method and apparatus for calculating motion vectors of the vertices of a patch of an image and transmitting information of horizontal and vertical components of the motion vectors: A method and apparatus for coding an image includes calculation of motion vectors of vertices of a patch in an image being encoded and transmitting information of horizontal and vertical components of the motion vectors of the vertices and information specifying that values of the horizontal and vertical components of... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20080049840 - Video coding method and apparatus for calculating motion vectors of the vertices of a patch of an image and transmitting information of horizontal and vertical components of the motion vectors: A method and apparatus for coding an image includes calculation of motion vectors of vertices of a patch in an image being encoded and transmitting information of horizontal and vertical components of the motion vectors of the vertices and information specifying that values of the horizontal and vertical components of... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20080049841 - Hardware method for performing real time multi-level wavelet decomposition: A graphics controller for performing real-time multi-level wavelet decomposition is provided. The graphics controller, includes an interface for receiving streaming data. The graphics controller includes wavelet decomposition circuitry configured to receive the streaming data from the interface. The wavelet decomposition circuitry includes a single low pass filter and a single... Agent: Epson Research And Development Inc Intellectual Property Dept

20080049834 - Sub-block transform coding of prediction residuals: Techniques and tools for sub-block transform coding are described. For example, a video encoder adaptively switches between 8×8, 8×4, and 4×8 DCTs when encoding 8×8 prediction residual blocks; a corresponding video decoder switches between 8×8, 8×4, and 4×8 inverse DCTs during decoding. The video encoder may determine the transform sizes... Agent: Klarquist Sparkman LLP

20080049842 - Vsb reception system with enhanced signal detection for processing supplemental data: A VSB reception system includes a sequence generator for decoding a symbol corresponding to the supplemental data and generating a predefined sequence included in the supplemental data at VSB transmission system. The reception system also includes a modified legacy VSB receiver for processing the data received from the VSB transmission... Agent: Lee, Hong, Degerman, Kang & Schmadeka

20080049843 - Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same: Mosaic-shaped block noise occurs when a compressed video signal is reproduced. This block noise is removed, but removing block noise from every block using a deblocking filter imposes a significant load on the deblocking filter. This load is therefore reduced by determining whether coding distortion removal (deblocking) is necessary, and... Agent: Greenblum & Bernstein, P.L.C

20080049844 - System and methods for detecting and handling errors in a multi-threaded video data decoder: Apparatus and methods for decoding streaming data containing one or more coded pictures in which each picture contains a plurality of slices and each slice containing a plurality of macroblocks are disclosed. A first decoding subtask is performed on all macroblocks in the coded picture or a section thereof. After... Agent: Joshua D. Isenberg Jdi Patent

20080049845 - Methods and apparatus for concealing corrupted blocks of video data: Methods and apparatus for concealing corrupted blocks of streaming data are disclosed. It is determined whether a subdivision of the streaming data is a corrupt subdivision. The corrupt subdivision is concealed using a previously reconstructed or concealed subdivision in a manner that does not require information from pairs of direct... Agent: Joshua D. Isenberg Jdi Patent

20080049846 - Ip stream tramsmitting/receiving system, ip stream receiving device and receiving process timing synchronization method used for the same: An IP (Internet Protocol) stream transmitting/receiving system according to an exemplary aspect of the present invention is an IP stream transmitting/receiving system including an IP stream receiving device for performing, at a receiving processing timing of an IP stream, at least FEC (Forward Error Correction) decoding of a received IP... Agent: Young & Thompson

20080049847 - Electronic dispersion compensation utilizing interleaved architecture and channel identification for assisting timing recovery: Embodiments include a system for performing dispersion compensation on an electromagnetic signal received over a communication channel, the electromagnetic signal bearing information at a symbol rate. An interleaved analog to digital converter (“ADC”) block may be used, wherein the interleaved ADC block may be configured to generate a plurality of... Agent: Brake Hughes Bellermann LLP C/o Intellevate

20080049848 - Method and system for reducing signal distortion in a continuously variable slope delta modulation scheme: A rearview assembly includes a mounting structure for attaching to a vehicle. The mounting structure includes a housing that has a rearview element disposed inside for providing a driver of the vehicle with a view to the rear of the vehicle. The rearview assembly also includes a continuously variable slope... Agent: Price, Heneveld, Cooper, Dewitt, & Litton, LLP/gentex Corporation

20080049849 - Communication system using differential two-wire type of communication line: A communication system comprises the network, plural nodes, and a reducer. The network comprises a main line and a plurality of branch lines branched from the main line respectively, the main line and each of the branch lines being respectively formed into a differential two-wire type of communication line consisting... Agent: Nixon & Vanderhye, PC

20080049850 - Methods and apparatus for clock and data recovery using transmission lines: A data receiver circuit includes a transmission line to generate the appropriate timing for clock and data recovery. The transmission line receives a reference signal, and propagates the reference signal through at least two segments of predetermined lengths. The transmission line is configured with a first tab to extract, from... Agent: Stattler-suh PC

20080049854 - Method and apparatus for transforming and inverse-transforming image: Provided are a method and apparatus for transforming an image, in which an input image is transformed into a frequency domain by selectively using a plurality of frequency transform algorithms according to a frequency characteristic of the input image. The method includes: selecting a frequency transform algorithm to be used... Agent: Sughrue Mion, PLLC

20080049852 - Ofdm system, symbol estimating apparatus and inter-carrier interference cancellation method for estimating symbol value using output of forward error correction decoder: A OFDM system, a symbol estimation apparatus and an inter-carrier interference cancellation method for estimating a symbol value using the output of a forward error correction decoder. The OFDM system includes a symbol estimation unit, a time varying channel impulse response estimation unit and an interference cancellation unit. The symbol... Agent: F. Chau & Associates, LLC

20080049851 - Resource allocation including a dc sub-carrier in a wireless communication system: A method in a wireless communication terminal (103), including receiving a radio resource allocation comprising a plurality of sub-carriers that is a subset of available sub-carriers, wherein the available sub-carriers include a DC sub-carrier, wherein the DC sub-carrier and all but one edge-most sub-carrier of the plurality of sub-carriers are... Agent: Motorola Inc

20080049855 - Systems and methods for mimo precoding in an xdsl system: Systems and methods for off-diagonal MIMO precoders are described. At least one embodiment includes a method for precoding data for transmission in a discrete multi-tone (DMT) xDSL system to cancel self-induced far end crosstalk (self-FEXT) comprising: learning characteristics associated with a plurality of N users within the xDSL system to... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080049857 - Data detection and demodulation for wireless communication systems: Techniques for detecting and demodulating data transmissions in wireless communication systems are presented. In one aspect, a decision-directed detector detects for data transmissions in a received signal by utilizing received data symbols as well as received pilot symbols. The decision-directed detector may be designed to perform differential detection in the... Agent: Qualcomm Incorporated

20080049853 - Frequency domain direct sequence spread spectrum with flexible time frequency code: A spread spectrum radio frequency communication system includes a Forward Error Correction (FEC) algorithm to encode digital data to provide a plurality of symbol groups, the FEC algorithm using a Reed Solomon FEC code, an interleaving algorithm to map each one of the plurality of symbol groups into a corresponding... Agent: Strategic Patents P.C..

20080049856 - Systems and method for orthogonal frequency divisional multiplexing: Systems and methods for orthogonal frequency division multiplexing are provided. In one embodiment, a multi-carrier modem comprises: a receiver configured to de-modulate symbols from at least one of a plurality of spectrally overlapping carrier signals; a transmitter configured to modulate symbols onto at least one of a plurality of the... Agent: Fogg & Powers LLC

20080049858 - Wireless communication system: A leaky coaxial cable is arranged to meander on a ceiling of an indoor space where a wireless LAN is to be worked. One end of the leaky coaxial cable is connected to a wireless base station unit and the other end thereof is connected to a terminator. The wireless... Agent: Harness, Dickey & Pierce, P.L.C

20080049859 - High-order modulation-based burst mapping method and apparatus in a mobile communication system: A method for performing burst mapping on transmission data by a transmitter in a mobile communication system using a 16-ary Quadrature Amplitude Modulation (16-QAM) modulation scheme is disclosed. The burst mapping method includes generating control information bits and user data bits by encoding input control information and user data; dividing... Agent: The Farrell Law Firm, P.C.

20080049860 - Systems and method for orthogonal frequency divisional multiplexing: Systems and methods for orthogonal frequency division multiplexing are provided. In one embodiment, a method for communication comprises receiving baseband user data; modulating the baseband user data onto a first plurality of parallel streams based on a first modulation constellation; modulating non-user data onto a second plurality of parallel streams... Agent: Fogg & Powers LLC

20080049861 - System for managing reserved bits in a variable-length message and optimizing message decoding utilizing the same: A system of structures and operations is provided for managing reserved bits in a variable-length message, and for optimizing decoding performance of such a message using such reserved bits.... Agent: Akin Gump Strauss Hauer & Feld, LLP

20080049863 - Apparatus, method and computer program product providing soft decision generation with lattice reduction aided mimo detection: A circuit that includes an input for coupling to a MIMO signal received from a channel to compute a change of basis matrix T and a reduced lattice basis matrix HT, to form a list L of points used for soft decision calculation using columns of the matrix HT and... Agent: Harrington & Smith, PC

20080049862 - Signal processing apparatus and method: A signal processing apparatus (200) comprises a plurality of receive antennas (216a-m) arranged to receive a composite signal containing a plurality of transmitted symbols. A joint detector-decoder (218) iteratively enumerates most probable symbols received at the receive antennas (216am) using an enumeration constraint. A processor (220) determines a bit stream... Agent: Mcdonnell Boehnen Hulbert & Berghoff LLP

20080049864 - Method and apparatus for spectrum-preserving amplitude compression of a modulated signal: A method and associated apparatus for preserving frequency spectrum in a linear modulation scheme, by adding a compensation signal to a modulated signal, the compensation signal having the same spectrum as the modulated signal. In the present invention, peaks above a pre-determined maximum threshold and/or minima below a pre-determined minimum... Agent: Ericsson Inc.

20080049865 - Method and apparatus for generating a punctured symbol vector for a given information vector: A method and apparatus for encoding and decoding data is described herein. During operation, data enters a convolutional encoder (101). The encoder encodes the information bits from the data at encoding rate (1/R0) to produce data symbols vectors P0, P1, . . . , PR0. Vectors P1, . . .... Agent: Motorola, Inc.

20080049866 - Method of correcting gain and phase imbalance of a multi-carrier transmission signal, transmitter and base station: Method of correcting a gain and phase imbalance of an analogue modulator (32) for multiple channels (CHi) of a multi-carrier transmission signal, the method comprising the steps of determining a gain imbalance correction factor (GCFi) and phase imbalance correction factor (PCFi) for each channel individually and applying said correction factors... Agent: Sughrue Mion, PLLC

20080049867 - Precoding for a non-linear codec: A preceding system to achieve rates higher than 33.6 kbps in the analog modem to digital modem direction. The preceding system modifies the standard THP algorithm to adapt it for use in PCM modems. The present invention overcomes the above-described difficulties by preceding an upstream signal before transmission. In one... Agent: Hitt Gaines, PC Lsi Corporation

20080049868 - Method and system for providing digital adaptive predistortion in a subscriber station: A method for providing digital adaptive predistortion in a subscriber station is provided that includes applying predistortion, based on a set of predistortion characteristics, to a transmit signal to generate a predistorted signal. An amplifier input signal is generated based on the predistorted signal. The amplifier input signal is amplified... Agent: Docket Clerk

20080049869 - Method and device for layered decoding of a succession of blocks encoded with an ldpc code: The metrics matrix may include at least one particular layer including at least one particular column having several metrics cues, respectively, situated in different rows. For the particular layers the updating of the channel cue is associated with the particular column involving at each iteration one updated metric cue selected... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20080049871 - Apparatus for and method of controlling a sampling frequency of a sampling device: A method of controlling sampling frequency of a sampling device (40), where the sampling device (40) generates samples (62) in response to the receipt of a signal (20) resulting from a transmission of a series of symbols through a channel, the method including the steps of estimating (46) a channel... Agent: Mccracken & Frank LLP

20080049870 - Rfid decoding subsystem with decode module: A radio frequency identification (RFID) decoding subsystem includes a pre-decode module and a decode module. The pre-decode module is coupled to process down-converted RFID signals into pre-decoded baseband data. The decode module is coupled to: enable a counting process based on the pre-decoded baseband data to produce a count resultant;... Agent: Garlick Harrison & Markison

20080049872 - Method and device for matching output impedance of a transmitter: A device for matching an output impedance of a transmitter includes at least a first output terminal connected to a first static impedance external to said transmitter and forming a component of an equivalent static load, and a first programmable resistive component in series with the first impedance. The device... Agent: Gardere Wynne Sewell LLP Intellectual Property Section

20080049873 - System and method to perform dc compensation on a radio frequency burst in a cellular wireless network: A method to perform DC compensation on a Radio Frequency (RF) burst transmitted between a servicing base station and a wireless terminal in a cellular wireless communication system that first receives the RF burst modulated according to either a first or second modulation format. Samples from the RF burst, or... Agent: Garlick Harrison & Markison

20080049874 - Vsb reception system with enhanced signal detection for processing supplemental data: A VSB reception system includes a sequence generator for decoding a symbol corresponding to the supplemental data and generating a predefined sequence included in the supplemental data at VSB transmission system. The reception system also includes a modified legacy VSB receiver for processing the data received from the VSB transmission... Agent: Lee, Hong, Degerman, Kang & Schmadeka

20080049875 - Integrated tuner apparatus, systems, and methods: Embodiments of a zero intermediate frequency (ZIF) tuner are described generally herein. Other embodiments may be described and claimed.... Agent: Schwegman, Lundberg & Woessner, P.A.

20080049876 - Non-redundant differential msk demodulator with double error correction capability: A non-redundant differential MSK demodulator with double-error correction capability includes a differential detection stage, an error signal generator stage, and an error detection-and-correction stage. Differential detectors receive modulated MSK input. The error signal generator converts outputs from the differential detectors into orthogonal error signals. The error detection-and-correction stage compares an... Agent: Albin H. Gess, Esp. Snell & Wilmer L.L.P.

20080049877 - Block codeword decoder with confidence indicator: A wireless transceiver (100) that produces soft decisions for received, block error correction encoded codewords and a confidence indicator signifying a likelihood of errors in the detected data. The wireless transceiver (100) processes block encrypted signals, such as feedback channel messages in a WiMax uplink. Upon receiving a signal, a... Agent: Motorola, Inc.

20080049878 - Timing of ultra wideband pulse generator: A method and apparatus for producing timing signals for an ultra wideband pulse generator are provided. The apparatus comprises a frequency multiplier for generating a converted signal having a multiple of a pulse frequency of a reference clock signal inputted into the frequency multipliers. Furthermore, the apparatus comprises a feedback... Agent: Hamilton, Brook, Smith & Reynolds, P.C.

20080049879 - Interpolation of complex signals: An improved interpolation technique for reconstructing a complex signal from sampled data estimates a carrier phase for each sampled data time. The carrier phase is then used to compensate for frequency variation in the complex signal. The complex components of the sampled data are then interpolated separately with the interpolated... Agent: Matthew D. Rabdau Tektronix, Inc.

20080049880 - Systems and methods for resampling unreliable data: Systems and methods providing resampling of a sampled data transmitted through a communication channel. Reliable resampling is provided even when original data samples are lost or reordered during transmission through the network. In one embodiment, a receiver associates each received data sample with a respective sampling time instant. The received... Agent: Eugene M. Cummings, P.C.

20080049881 - Synchronization: A method and an apparatus are provided, the apparatus includes a correlator configured to correlate samples of a frame format signal with a reference signal; an adder block configured to sum the correlation results over a given time period; a comparator configured to compare the sum with a given reference... Agent: Squire, Sanders & Dempsey L.L.P.

20080049882 - Receiving device for receiving time-multiplexed signals, transmitting system, and method for time synchronization of time-multiplexed signals: In a receiving device for receiving a time-multiplexed signal on one carrier frequency and for reading out a content datum of a further time-multiplexed signal on a further carrier frequency, a receiving unit and a context changing unit are provided in order to change, for the duration of a data... Agent: Kenyon & Kenyon LLP

20080049883 - Circuit to syncrhonize the phase of a distributed clock signal with a received clock signal: A circuit to synchronize the phase of a distributed clock signal to a received clock signal. Embodiments include a control loop comprising a phase interpolator, a clock distribution network, and a data receiver. The clock distribution network provides a sampling clock signal to clock the data receiver. The data receiver... Agent: Seth Kalson C/o Intellevate, LLC

20080049884 - Linear phase detector and clock/data recovery circuit thereof: A linear phase detector includes an up/down pulse generator operating in response to received data signals and a recovered clock signal. The phase detector generates up and down pulses that have pulse widths proportional to the phase differences between transitions of the received data signals and edges of the recovered... Agent: Volentine & Whitt PLLC

20080049885 - Superconducting digital phase rotator: An important component in digital circuits is a phase rotator, which permits precise time-shifting (or equivalently, phase rotation) of a clock signal within a clock period. A digital phase rotator can access multiple discrete values of phase under digital control. Such a device can have application in digital clock synchronization... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20080043812 - System and method for communicating data using symbol-based randomized orthogonal frequency division multiplexing (ofdm) with applied frequency domain spreading: A device and system communicates data and includes a modulation and mapping circuit that modulates and maps data symbols into a plurality of multiple subcarrier frequencies that are orthogonal to each other to form an Orthogonal Frequency Division Multiplexed (OFDM) communications signal based on a fixed or variable OFDM symbol... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist

20080043813 - System and method of flexible channel allocation in an ultra wideband (uwb) frequency hopping communication system: In another embodiment, a method includes scanning ultra wideband spectra to eliminate any frequency band of the ultra wideband spectra from a list of available frequency bands when the any frequency band is currently used, selecting a band group in combination of two or more frequency bands to communicate radio... Agent: Raj Abhyanker, LLP C/o Intellevate

20080043814 - Method of communicating and associated transmitter using coded orthogonal frequency division multiplexing (cofdm): A system and method communicates and generates a Coded Orthogonal Frequency Division Multiplexed (COFDM) communications signal as a plurality of subcarriers. Selected subcarriers are turned ON and OFF while also frequency hopping and spreading the selected ON subcarriers over the frequency domain based on a fixed or variable sample rate... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist

20080043815 - Communication systems: A transmission method for use in a multi-hop wireless communication system is provided. Furthermore, the system has access to a time-frequency format for use in assigning available transmission frequency bandwidth during a discrete transmission interval. The format defines a plurality of transmission windows within such an interval, where each window... Agent: Baker Botts L.L.P.

20080043816 - Communication systems: A transmission method for use in a two-hop wireless communication system is provided. The system includes a source apparatus, a destination apparatus and an intermediate apparatus. The source apparatus is operable to transmit information along two links forming a communication path extending from the source apparatus to the destination apparatus... Agent: Baker Botts L.L.P.

20080043817 - Communication systems: A transmission method for use in a multi-hop wireless communication system is provided. The system includes a source apparatus, a destination apparatus and two or more intermediate apparatuses. The system has access to a time-frequency format for use in assigning available transmission frequency bandwidth during a discrete transmission interval, said... Agent: Baker Botts L.L.P.

20080043818 - Fast hopping frequency synthesizer using an all digital phased locked loop (adpll): A novel and useful fast hopping frequency synthesizer and transmitter associated therewith. The frequency synthesizer and transmitter incorporates a digitally controlled oscillator (DCO) adapted to operate open loop. Instantaneous frequency switching is achieved by changing an oscillator tuning word (OTW) to imitate the three oscillators of a UWB transmitter. In... Agent: Texas Instruments Incorporated

20080043819 - Spread spectrum communication and synchronization: A method for generating a data signal for synchronizing one or more electrically coupled digital receivers is disclosed. A data signal having a data rate is modulated with a pseudo-noise (PN) code having a data rate greater than the data rate of the data signal. The modulated data signal is... Agent: Bromberg & Sunstein LLP

20080043820 - Reflective communication using radio-frequency devices: The present invention relates to a reflective communication system that allows information from wireless communication devices, such as radio-frequency identification devices (RFID), to be reflectively communicated to a receiver in lieu of using a separate communication system. A transmitter transmits a communication signal, having a carrier frequency, to the wireless... Agent: Christensen O'connor Johnson Kindness PLLC

20080043821 - Methods and apparatus for dynamic data acquisition configuration parameters: Methods and apparatus for transmitting data between elements of a data acquisition system are provided. The method includes receiving, at a first element, a self-describing control packet including a first configuration parameter, the first configuration parameter controls first data acquisition by the first element, acquiring first data by the first... Agent: John S. Beulick (17851)

20080043822 - Correlator: The present invention relates to a device for generating at least one code phase (Ce, Cp, Ci) the device comprising a shift register (702) comprising N outputs and to which a code sequence (Cin) to be phased is applied, and at least one logic branch (722, 723, 724) controlled by... Agent: Gates & Cooper LLP Howard Hughes Center

20080043823 - Method for transmitting and/or receiving audio data of a plurality of audio sources through a single spdif link, and related apparatus: A method for transmitting audio data of a plurality of audio sources through a single SPDIF link, includes: sequencing and multiplexing the audio data of the plurality of audio sources to pack the audio data of the plurality of audio sources into a plurality of frames of a block; performing... Agent: North America Intellectual Property Corporation

20080043824 - Offloaded processing for wireless applications: Processing may be performed by a first device on behalf of a second device to offload processing from the second device. In some aspects a device from which processing has been offloaded may be advantageously adapted to consume less power, have a smaller size, and have less complexity. Offloaded processing... Agent: Qualcomm Incorporated

20080043825 - Xdsl modem testing system and method therefor: An xDSL modem testing method is provided. The xDSL modem testing method includes providing multiple script files, a script table for recording information of the script files, and a report table for recording test data; receiving multiple script files by a user interface module, each of the script files corresponds... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang Jeffrey T. Knapp

20080043826 - Sampling mechanism for data acquisition counters: One or more counter units of a data acquisition device used to perform sampling operations. Each of the counter units is configurable to operate in a selected one of a plurality of modes. During operation, at least one of the counter units may receive a measurement signal (or input signal)... Agent: Jeffrey C. Hood Meyertons Hood Kivlin Kowert & Goetzel PC

20080043827 - Channel equalization: A method for use in an equalization of a channel by means of an equalizer 22, 23 is shown, wherein the channel uses a certain frequency band for a transfer of signals. In order to enable a channel equalization which requires a low complexity and which provides at the same... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20080043828 - Receiver and apparatus for receiving a data signal: The present invention relates to a receiver and to an apparatus for receiving a data signal, in particular for receiving a data signal having a channel profile.... Agent: Infineon Technologies Ag Patent Department

20080043829 - Noise power estimate based equalizer lock detector: An ATSC (Advanced Television Systems Committee-Digital Television) receiver comprises an equalizer (220) and a lock detector (230). The equalizer (220) provides a sequence of received signal points (221) from a constellation space, the constellation space having an inner region and one, or more, outer regions. The lock detector (230) determines... Agent: Thomson Licensing LLC

20080043830 - Methods and apparatus for decision feedback equalization with dithered updating: Methods and apparatus for decision feedback equalization with dithered updating are disclosed. An example method to equalize a received signal sample representative of a digital quantity disclosed herein comprises selecting a slicing level from a plurality of slicing levels to detect the digital quantity represented by the received signal sample,... Agent: Texas Instruments Incorporated

20080043831 - A technique for transcoding mpeg-2 / mpeg-4 bitstream to h.264 bitstream: A method/system of transcoding an MPEG 2/4 bit stream into an H.264 format, handles an input MPEG 2/4 bit stream in a decoder, and identifies certain data in the input bit stream for reuse in the H.264 format; and, reuses the identified data in a re-encoder with assistance from a... Agent: GlobalIPServices, PLLC

20080043833 - Method and apparatus for transferring digital data between circuits: A method and apparatus transfer digital data between a coder/decoder circuit and a signal processor. The transfer of the digital data includes (a) obtaining, at a first circuit, a block of data values having certain statistical characteristics, the first circuit being one of the coder/decoder circuit and the signal processor,... Agent: Thelen Reid Brown Raysman & Steiner LLP

20080043832 - Techniques for variable resolution encoding and decoding of digital video: Techniques for variable resolution encoding and decoding of digital video are described. An apparatus may comprise a video encoder to encode video information into a video stream with a base layer and an enhancement layer. The base layer may have a first level of spatial resolution and a first level... Agent: Microsoft Corporation

20080043834 - Apparatus for transcoding encoded content: An apparatus for transcoding encoded content, the encoded content being encoded using a first coding algorithm, with a first interface for communicating with a content sink, the first interface being adapted for receiving a request for content being encoded using a second coding algorithm and for providing a transcoded content... Agent: Glenn Patent Group

20080043836 - Method and apparatus for simplifying the access of metadata: Available storage media capacity for personal video recording increases continuously. metadata can be used to organize the recordings, search for content and access specific recordings. If metadata are embedded within the multimedia content itself, like DVB specific Service Information, which are multiplexed with the audio and video streams to form... Agent: Thomson Licensing LLC

20080043835 - Video encoding method, and video decoding method: Provided is a video coding method and a video decoding method capable of increasing the resolution and quality of images while suppressing an amount of data required for increasing the resolution. A video coding apparatus (100) includes: a first orthogonal transformation unit (102) which performs discrete cosine transform on an... Agent: Wenderoth, Lind & Ponack L.L.P.

20080043837 - Method of reducing a blocking artifact when coding moving picture: A method of coding a moving picture is provided that reduces blocking artifacts. The method can include defining a plurality of defining pixels S0, S1, and S2, which are centered around a block boundary. If a default mode is selected then frequency information of the surroundings of the block boundary... Agent: Fish & Richardson P.C.

20080043838 - Method of reducing a blocking artifact when coding moving picture: A method of coding a moving picture is provided that reduces blocking artifacts. The method can include defining a plurality of defining pixels S0, S1, and S2, which are centered around a block boundary. If a default mode is selected then frequency information of the surroundings of the block boundary... Agent: Fish & Richardson P.C.

20080043839 - Coding system and method, encoding device and method, decoding device and method, recording device and method, and reproducing device and method: Specifically, a decoding device of a transcoder 106 decodes a source encoded stream to generate decoded video data and extracts past coding parameters superposed in the encoded stream as history_stream( ) In this case, the decoding device extracts the past coding parameters based on information superposed in the encoded stream... Agent: Frommer Lawrence & Haug

20080043840 - Image encoding/decoding method and apparatus: Provided are an image encoding/decoding method and apparatus, in which one of a plurality of color component images of an input image is predicted from a different color component image using a correlation between the color component images and the encoding order of the plurality of color component images is... Agent: Sughrue Mion, PLLC

20080043846 - Bit-plane decoding device and bit-plane decoding method: A bit-plane decoding device decodes a coded bit-plane that is produced by encoding binary flag information of each macroblock in a picture partitioned into a plurality of macroblocks in a bit-plane and is contained in a picture header of compressed image data. In this device, a residual value bit-plane decoding... Agent: Young & Thompson

20080043842 - Interframe prediction processor with address management mechanism for motion vector storage: A device for processing variable-size macroblocks to achieve high-speed interframe prediction. A predictor calculator determines a motion vector predictor (MVP) for a current macroblock from motion vectors of other macroblocks adjacent to the current macroblock. To achieve this, the predictor calculator specifies adjacent macroblocks to an address calculator. The address... Agent: Arent Fox LLP

20080043843 - Interframe prediction processor with mechanism for providing locations of reference motion vectors used in macroblock adaptive field/frame mode: An interframe prediction processor designed for high-speed video coding and decoding. The interframe prediction processor has an address selector and a predictor calculator. The address selector receives information about MBAFF type and coding type. When performing motion compensation for a given MBAFF picture with reference to blocks surrounding a current... Agent: Arent Fox LLP

20080043841 - Method for video coding: A method of video coding is disclosed. It includes searching the candidates of a frame for decreasing the samples, and chooses the bit numbers of transmitting data for reducing the requirement of memory bandwidth. Then obtain the better candidates of moving blocks. After that, apply a method of local small... Agent: Rosenberg, Klein & Lee

20080043845 - Motion prediction processor with read buffers providing reference motion vectors for direct mode coding: A motion prediction processor that enables wider use of direct-mode motion prediction, with a reduced processing load. A motion prediction process makes reference to a reference picture to calculate motion vectors for a current picture. A write controller writes motion vectors of multiple block lines of the reference picture in... Agent: Arent Fox LLP

20080043849 - Apparatus for predicting a motion vector for a current block in a picture to be decoded: In one embodiment, the apparatus includes a decoder. The decoder is configured to obtain at least one motion vector of a block other than the current block. The other block is associated with at least one reference picture indicated by a reference index for a set of multiple reference pictures.... Agent: Harness, Dickey & Pierce, P.L.C

20080043847 - Determining the number of unidirectional and bidirectional motion compensated frames to be encoded for a video sequence and detecting scene cuts in the video sequence: Methods for processing a set of successive video frames in two passes to determine the number of bidirectional (B) and unidirectional (P) motion compensated frames to be encoded in a video coding system. During the first pass, motion vectors and motion costs are computed for each frame and a derived... Agent: Adeli & Tollen, LLP

20080043844 - Motion estimator: A motion estimator includes a shape, address and vector generator [[31]] to produce control signals according to a selected size and shape of a search area comprising scan lines. A variable delay [[34]] reads reference image data of a frame in which a matching macroblock is sought from a store... Agent: Seyfarth Shaw LLP

20080043850 - Motion vector computation for video sequences: Methods and apparatus, including computer program products, implementing and using techniques for computing motion vectors in a digital video sequence are disclosed. A recursive hierarchical method is used to determine a motion vector by using multiple resolution levels of the image frames. A best motion vector is first determined for... Agent: Beyer Weaver LLP

20080043848 - Video/audio signal processing method and video/audio signal processing apparatus: A metadata extraction unit has a feature point selection and motion estimation unit 62 for extracting at least one feature point representing characteristics of the video/audio signals in a compressed domain of the video/audio signals. Thus, reduction of time or cost for processing can be realized and it makes it... Agent: Frommer Lawrence & Haug

20080043851 - Post-inverse-quantization ac prediction with a unified variable-length-decoding and inverse-quantization stage: A motion-picture-experts group (MPEG) decoder performs AC prediction to decode first-column or first-row coefficients that are coded as differences from corresponding coefficients in a prior block or an above block. Rather than perform AC prediction between the variable-length decoder (VLD) and the inverse-quantizer (IQ), AC prediction is performed after the... Agent: Stuart T Auvinen

20080043852 - Deblocking filtering methods and image processing devices using the deblocking filtering: A deblocking filtering method may includes setting first through nth macroblock groups which are adjacent to one another in a column direction and sequentially performing deblocking filtering on the first through nth macroblock groups. Each macroblock group may include at least one macroblock. An image processing device may include a... Agent: Harness, Dickey & Pierce, P.L.C

20080043853 - Deblocking filter, image encoder, and image decoder: A deblocking filter, an image encoder, and an image decoder perform edge-filtering of moving-image data which can be divided into blocks, on groups of a predetermined number of pixels arrayed across edges between the blocks, and include: a processing unit concurrently performing column-direction-edge filtering on more than one first group... Agent: Arent Fox LLP

20080043854 - Method of reducing a blocking artifact when coding moving picture: A method of coding a moving picture is provided that reduces blocking artifacts. The method can include defining a plurality of defining pixels S0, S1, and S2, which are centered around a block boundary. If a default mode is selected then frequency information of the surroundings of the block boundary... Agent: Fish & Richardson P.C.

20080043855 - Method and apparatus for encoding of low voltage swing signals: An encoded-low swing scheme for transmission of a signal across an interconnect bus whereby the current values to be transmitted on the bus are compared with the previous state of the bus. When the number of bits flipping is greater than N, where N is the width of the bus,... Agent: Philips Electronics North America Corporation Intellectual Property & Standards

20080043856 - Encoding system using a non-binary turbo code and an encoding method thereof: An encoding system using a non-binary turbo code and an encoding method thereof is capable of encoding an input signal at a low code rate and at once by spreading the input signal. An input information bit sequence is spread according to the obtained channel code rate and outputting the... Agent: Staas & Halsey LLP

20080043864 - Communication apparatus, method and system: A communication apparatus, method, and system are provided. The communication apparatus receives through a transmission path a combined signal in which modulated signals are combined. The communication apparatus converts a channel matrix indicating transmission characteristics of the transmission path using a basis conversion matrix which converts column vectors forming the... Agent: Sughrue Mion, PLLC

20080043867 - Feedback of precoding control indication (pci) and channel quality indication (cqi) in a wireless communication system: Techniques for sending feedback information in a wireless communication system are described. In one design, precoding control indication (PCI), rank, and channel quality indication (CQI) for data transmission from a transmitter to a receiver may be determined by evaluating different hypotheses. A report may be formed based on the PCI,... Agent: Qualcomm Incorporated

20080043866 - Fft numerology for an ofdm transmission system: An exemplary fast Fourier transform (FFT) numerology for an orthogonal frequency division multiple access (OFDMA) downlink transmission system is described. The exemplary FFT numerology reduces the FFT sampling rate for a given transmission bandwidth, thereby increasing the battery life of a UE. The FFT numerology increases robustness against Doppler spread,... Agent: Mendelsohn & Associates, P.C.

20080043863 - Method and system for providing a dual-channel beacon signal in a wireless network: A method for providing a dual-channel beacon signal to protect a low-power device in a wireless network is provided. The method includes generating a beacon message in a first logical channel and generating a detection signal in a second logical channel. The first logical channel and the second logical channel... Agent: Docket Clerk

20080043858 - Method for constructing frame preamble in ofdm wireless communication system, and method for acquiring frame synchronization and searching cells using preamble: Disclosed are a method for constructing a frame preamble in an OFDM wireless communication system, and a method for acquiring frame synchronization and searching cells using the preamble. The preamble is arranged at the beginning of a frame and constructed of a pattern repeated an integer number of times, and... Agent: The Farrell Law Firm, P.C.

20080043857 - Ofdm channel estimation and tracking for multiple transmit antennas: Multiple Transmit Multiple Receive Orthogonal Frequency Division Multiplexing (‘OFDM’) comprising generating bit streams and corresponding sets of N frequency domain carrier amplitudes ({tilde over (s)}(kN+j), 0≦j≦N−1) modulated as OFDM symbols subsequently to be transmitted from a transmitter, where k is the OFDM symbol number and j indicates the corresponding OFDM... Agent: Motorola, Inc.

20080043869 - Peak suppressor: In a configuration where systems C and D having different reception quality requirements are present, a peak suppressor generates a replica of a signal from system C combined together with a signal from system D before peak suppression. Based on the replica, system specific peak suppressing units respectively perform peak... Agent: Bingham Mccutchen LLP

20080043859 - System and method for applying frequency domain spreading to multi-carrier communications signals: A system and device communicates data. A modulation and mapping circuit modulates and maps data symbols into a plurality of multiple subcarriers that are orthogonal to each other based on a fixed or variable symbol rate. A frequency domain spreader circuit is operatively connected to the modulation and mapping circuit... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist

20080043861 - System and method for communicating data using symbol-based randomized orthogonal frequency division multiplexing (ofdm): A system and device communicates data. A modulation and mapping circuit modulates and maps data symbols into a plurality of multiple subcarrier frequencies that are orthogonal to each other to form an Orthogonal Frequency Division Multiplexed (OFDM) communications signal based on a fixed or variable OFDM symbol rate. A pseudo-random... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist

20080043860 - System and method for communicating data using symbol-based randomized orthogonal frequency division multiplexing (ofdm) with selected subcarriers turned on or off: A device and system communicates data and includes a modulation and mapping circuit that modulates and maps data symbols into a plurality of multiple subcarrier frequencies that are orthogonal to each other to form an Orthogonal Frequency Division Multiplexed (OFDM) communications signal based on a fixed or variable OFDM symbol... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist

20080043870 - Communication system: At the transmitter side, carrier waves are modulated according to an input signal for producing relevant signal points in a signal space diagram. The input signal is divided into, two, first and second, data streams. The signal points are divided into signal point groups to which data of the first... Agent: Wenderoth, Lind & Ponack, L.L.P.

20080043868 - Internet gsm, cdma, ofdm, wi-fi wireless and wired multimode systems: Internet, wireless and wired multimode systems. Processing, modulating, transmitting and receiving internet provided and location finder signals. Cross-correlator, transmit baseband filter and modulator for cross-correlating, filtering and modulating in-phase and quadrature-phase signal, and providing modulated signal to a transmitter. Orthogonal Frequency Division Multiplex (OFDM) or Orthogonal Frequency Division Multiple Access... Agent: Kamilo Feher

20080043865 - Method and apparatus for transmitting/receiving feedback information and system supporting the same in a multi-user multi-antenna system: A method and apparatus for transmitting/receiving feedback information in a multi-user multi-antenna system and a system supporting the same are provided, in which all possible combinations are created using column vectors included in a precoding codebook, column vectors are correlated in each of the combinations, column vectors comprising correlations exceeding... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.

20080043862 - Receiving apparatus and receiving method: A reception device receives a packet signal having a preceding signal for establishing synchronization and a data main body unit containing a particular wave of a particular frequency. The reception device includes: primary correction means for correcting a packet signal frequency error on the time axis according to the preceding... Agent: Nixon & Vanderhye, PC

20080043871 - Insertion of a secondary binary information stream into a main symbol stream of a digital modulation: There is disclosed a method of inserting a secondary stream of binary information into a main symbol stream of at least one standard digital modulation. The stream to be transmitted resulting from the insertion of the secondary stream in the main stream is a symbol stream of a modified digital... Agent: Miller, Matthias & Hull

20080043872 - Transmitting high rate data within a mimo wlan: A method for transmitting high rate data within a multiple input multiple output (MIMO) wireless local area network (WLAN) begins by determining a data transmission rate. The method continues by, when the data transmission rate is between a first data rate and a second data rate, enabling two transmission paths.... Agent: Garlick Harrison & Markison

20080043874 - Apparatus and method for transmitting/receiving feedback information in a multi-user mimo system, and system thereof: A transmission/reception apparatus and method for reducing the amount of feedback information transmitted from a receiver in a multi-user MIMO system are provided. A transmitter determines a reference Channel Quality Information (CQI) and transmits the reference CQI to the receiver. Upon receipt of the reference CQI, the receiver compares the... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.

20080043873 - Method and system for transmitter beamforming for reduced complexity multiple input multiple output (mimo) transceivers: Aspects of a method and system for transmitter beamforming for reduced complexity multiple input multiple output (MIMO) transceivers are presented. Aspects of the system may include a MIMO transmitter that computes a channel estimate matrix and decomposes the computed channel estimate matrix based on singular value decomposition (SVD). Singular values... Agent: Mcandrews Held & Malloy, Ltd

20080043875 - Reduced computation in joint detection: A user equipment receives a plurality of transmitted data signals in a communication system. The transmitted data are received. A channel response is determined for each received data signal. A system response is determined based on in part the channel signals. The system response is expanded to be piecewise orthogonal.... Agent: Volpe And Koenig, P.C. Dept. Icc

20080043876 - Method and apparatus for increased communication channel pre-emphasis for clock-like data patterns: Methods and apparatus are disclosed for increased pre-emphasis for clock-like data patterns to compensate for channel distortions. One aspect of the invention compensates for channel distortions by evaluating a data pattern to be transmitted; determining if the data pattern satisfies one or more predefined criteria defining a clock-like data pattern;... Agent: Ryan, Mason & Lewis, LLP

20080043877 - Power de-rating reduction in a transmitter: A wireless transmitter exhibits improved power de-rating reduction, which improves the power efficiency of non-constant envelop communication systems by: mapping N first samples of a first discrete Fourier transform (DFT) of a group of coded symbols to M sub-carriers according to a first sub-carrier mapping rule, where M is greater... Agent: Samuel S. H. Wang

20080043878 - Parallel concatenated code with soft-in soft-out interactive turbo decoder: A method for parallel concatenated (Turbo) encoding and decoding. Turbo encoders receive a sequence of input data tuples and encode them. The input sequence may correspond to a sequence of an original data source, or to an already coded data sequence such as provided by a Reed-Solomon encoder. A turbo... Agent: Garlick Harrison & Markison

20080043879 - Methods and apparatus for measuring, communicating and/or using interference information: Wireless communications methods and apparatus are described. A communications apparatus, e.g., a base station, measures interference information, e.g., other sector interference information. The communications apparatus generates a preamble which includes a plurality of pilot symbols and at least one of the pilot symbols includes interference information. In some embodiments, the... Agent: Qualcomm Incorporated

20080043880 - Wireless transmitter, wireless receiver and wireless communication system: Provided are an acquiring section (105) that acquires information of interfering power level that a communication apparatus receives from peripheral cells from a signal received from the communication apparatus, a determining section (106) that determines the number of subcarriers to use in data transmission corresponding to the information of interfering... Agent: Birch Stewart Kolasch & Birch

20080043881 - System for calibrating at least one quadrature modulator and operating method therefor: A system for calibrating at least one quadrature modulator is provided that includes a first correction device connectable ahead of the quadrature modulator on the input side, for converting a complex input signal into a corrected complex input signal, a feedback branch, which is connectable to an output of the... Agent: Mg-ip Law, PLLC

20080043882 - Wireless communication method and apparatus for performing hybrid timing and frequency offset for processing synchronization signals: The present invention is related to a receiver having a plurality of antennas for receiving and performing hybrid timing and frequency offset on at least one signal that includes at least one synchronization channel (SCH) symbol having a plurality of time domain repetitive blocks. The receiver further includes an auto-correlation... Agent: Volpe And Koenig, P.C. Dept. Icc

20080043883 - Channel estimation using dynamic-range-limited pilot signals: Methods and systems for channel estimation using dynamic-range-limited pilot signals are provided. In one aspect, a method for communication between a transmitter and a receiver is provided. The method comprises dynamic-range limiting at least one locally generated pilot signal at the at least one receiver to generate a locally generated... Agent: Freescale Semiconductor, Inc. Law Department

20080043884 - Apparatus for and method of controlling a digital demodulator coupled to an equalizer: A method of controlling a digital demodulator (922) coupled to an equalizer (930) includes the steps of generating an equalizer value (930A), filtering (944) the equalizer value (930A) to obtain a post filter output, subtracting the equalizer output signal (930C) from the decoded data (930D) and generating an error value... Agent: Mccracken & Frank LLP

20080043886 - Symbol timing detection method and apparatus, and preamble detection method and apparatus: A complex correlation unit of a detection execution unit calculates a correlation between a received signal and a fixed preamble pattern and sequentially obtains a correlation result. A correlation peak detection section updates a maximum value of a correlation result R as a correlation peak value and holds it. An... Agent: Mcginn Intellectual Property Law Group, PLLC

20080043885 - Complex correlator for a vestigial sideband modulated system: A receiver comprises a demodulator and a complex correlator. The demodulator demodulates a received signal and provides a demodulated signal. The complex correlator correlates an in-phase component of the demodulated signal against a data pattern and correlates a quadrature component of the demodulated signal against a Hilbert transform of the... Agent: Thomson Licensing LLC

20080043887 - Combined discrete automatic gain control (agc) and dc estimation: A wireless communications receiver includes a memory configured to store offset values corresponding to respective gain settings. A gain controller is configured to continuously select one of the gain settings based on amplitude of a received signal. An amplifier is configured to amplify the signal based on the selected gain... Agent: David B. Cochran, Esq. Jones, Day, Reavis & Pogue

20080043888 - Eliminating narrowband interference in a receiver: A wireless device receives an input signal representing a signal of interest (e.g., one or more portions of a packet) on a wireless medium. The input signal may, in addition, contain narrowband interference signals. The wireless device removes the signal of interest from the input signal to produce a residue... Agent: Texas Instruments Incorporated

20080043889 - Exponentiated polyphase digital filter: The structure of a digital filter is provided through exponentiation of a polyphase digital filter. This exponentiation may be accomplished by determining an expression for the polyphase digital filter in terms of its polyphase components, and raising the expression for the polyphase digital filter to a power. The polyphase components... Agent: Edell , Shapiro & Finnan , LLC

20080043891 - Encoded data transfer device and encoded data transferring method: An encoded data transfer device (1) includes a JPEG compressing section (14) that converts image data to encoded data, a data buffer (15) that stores the encoded data from the JPEG compressing section (14), a stored data amount detecting section (19) that detects the stored data amount of the encoded... Agent: Arent Fox LLP

20080043890 - Transition balancing for noise reduction /di/dt reduction during design, synthesis, and physical design: A method for noise comprising synthesizing blocks of sequential latches, e.g., a pipeline circuit architecture or clocking domain, which comprises combinational logic, synthesizing a root or a master clock and at least one phase-shifted sub-domain clock for each block, assigning primary inputs and primary outputs of the block to the... Agent: Frederick W. Gibb, Iii Gibb & Rahman, LLC

20080043892 - Frequency adjusting method of a cdr circuit and apparatus thereof: A frequency adjusting method of a CDR circuit and apparatus thereof are provided. The adjusting method is applied to a receiver apparatus connected to an outer apparatus. The outer apparatus, after actuated, sends out an outer data signal to the receiver apparatus according to its operational frequency and a PLL... Agent: Bacon & Thomas, PLLC

20080043893 - Loop bandwidth enhancement technique for a digital pll and a hf divider that enables this technique: A method of operating a phase locked loop (FIG. 5) for a wireless receiver is disclosed. The method includes receiving a reference signal (503) having a first and a second plurality of cycles and receiving a feedback signal (512) having the first and the second plurality of cycles. The feedback... Agent: Texas Instruments Incorporated

20080043894 - Digital word representative of a non-integer ratio between the respective periods of two signals: A phase-locked loop circuit having a comparator that receives a target digital word representative of a non-integer target ratio between a main signal and a reference signal having a reference frequency. The circuit also includes digitally-controlled oscillator coupled to the comparator to deliver an output signal. One return loop is... Agent: Docket Clerk

20080037611 - Dynamic optimisation of block transmissions for interference avoidance: P

20080037612 - Minimizing estimation time for rake fingers with help of a speed sensor: An electronic equipment includes a RAKE receiver that includes at least one finger having a settable delay, a transducer operable to provide a signal indicative of motion of the electronic equipment, and a delay estimator circuit operative to calculate a duration between fading nulls of a received signal based on... Agent: Warren A. Sklar (soer) Renner, Otto, Boisselle & Sklar, LLP

20080037613 - Spread spectrum clock generator and method: A spread spectrum clock signal generator and an accompanying method provide a spread spectrum clock signal of a reduced electromagnetic interference. The spread spectrum clock signal generator includes (a) a state machine, which maintains a current state of the spread spectrum clock signal generator, receives as input value a next... Agent: Macpherson Kwok Chen & Heid LLP

20080037615 - Decoding of walsh codes: Methods, systems, devices, and computer program products for decoding of Walsh codewords are disclosed.... Agent: Fish & Richardson PC

20080037614 - Gps m-code receiver tracking system: An m-code GPS receiver receives m-code GPS communication signals having a multimodal autocorrelation, using an m-code mode identifier unambiguously determining a mode value of one of the m-code modal peaks coherently aligned to a coherent unimodal detected envelope, based on sequential probability estimation in an m-code envelope tracking filter using... Agent: The Aerospace Corporation

20080037616 - Method for generating a preamble sequence group: Provided is a method for generating a preamble sequence group. The method includes creating a preamble sequence, calculating a cross-correlation value between sequences using the created preamble sequence, determining a limit cross-correlation value using the cross-correlation value to construct a preamble set used in the communication system, calculating a preamble... Agent: The Farrell Law Firm, P.C.

20080037617 - Differential driver with common-mode voltage tracking and method: In a transceiver, a transmitter circuit is provided substantially the same common-mode voltage regardless of whether the transceiver is in a transmitting or receiving mode. In one embodiment, the transmitter circuit includes a driver circuit which, in the transmission mode of the transceiver, drives an output differential signal, and which,... Agent: Macpherson Kwok Chen & Heid LLP

20080037618 - Multiple data rate communication system: Seamless wideband support is afforded by utilizing split-band data streams. For wideband signals, the 8 kHz bandwidth is divided into a low band, with approximately 0-4 kHz bandwidth, and a high band, with approximately 4-8 kHz bandwidth. Narrowband functions and services operate on the low band, while wideband functions and... Agent: Mcandrews Held & Malloy, Ltd

20080037619 - Real time dynamic correlator: Methods and systems are provided for evaluating electrical characteristics of a transmitter in real time using cross-correlation of a reference signal with a signal transmitted by the transmitter. A code generator is configured to generate reference code and test code that both include a plurality of frames of data. The... Agent: Robert R. Richardson, P.s.

20080037620 - Method and apparatus for estimating a noise power for ofdm: A method and apparatus for estimating noise for orthogonal frequency division multiplexing (OFDM) are disclosed. A time domain difference signal and a frequency domain difference signal between two consecutive received pilot symbols are calculated. A time domain noise power is calculated from the time domain difference signal and a frequency... Agent: Volpe And Koenig, P.C. Dept. Icc

20080037621 - Communication system: Forward and backward equalization processes are effectively used in a communication system for equalizing a received signal of a frame including a known symbol part. The known symbol part is provided in a position other than both ends of the frame. An equalization filter unit acquires a signal of an... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20080037622 - Receiving method and receiving apparatus: The power consumption of a receiving apparatus is reduced. A first equalization unit receives the input of digital signals and then performs equalization processing on them so as to output first equalizer output signals. A first selector selects either the digital signals or the first equalizer output signals, and outputs... Agent: Mcdermott Will & Emery LLP

20080037623 - Noncoherent uwb cooperative communications system: This invention relates to a cooperation procedure between terminals in a UWB pulse telecommunications system. A source terminal transmits a data symbol for a recipient terminal in the form of a signal, called a source signal, constituted by a sequence of identical frames, each frame containing a pulse that is... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080037626 - Information processing apparatus, information processing method, information processing system, and storage medium: An image and motion corresponding to the image are presented in response to a request issued by an user. The user transmits image data from a terminal to a motion data generating apparatus. The motion data generating apparatus generates motion data from the received image data. The motion data generating... Agent: Frommer Lawrence & Haug

20080037625 - Method of reducing a blocking artifact when coding moving picture: A method of coding a moving picture is provided that reduces blocking artifacts. The method can include defining a plurality of defining pixels S0, S1, and S2, which are centered around a block boundary. If a default mode is selected then frequency information of the surroundings of the block boundary... Agent: Fish & Richardson P.C.

20080037624 - Methods and systems for resizing multimedia content: This disclosure describes techniques for resizing multimedia content for efficient statistical multiplexing. In response to a request to resize a current segment of data, an encoding module associated with the selected segment adjusts the amount of motion information to be encoded to resize the segment of data. For example, the... Agent: Qualcomm Incorporated

20080037627 - Adaptive reduction of local mpeg artifacts: Disclosed herein are methods and apparatus, including computer program products, implementing and using techniques for reducing mosquito noise and blockiness in an image frame of a video signal. A border of a pixel block is determined, and if the region surrounded by the border is determined to be associated with... Agent: Beyer Weaver LLP

20080037628 - Methods and apparatus for decoding and displaying different resolution video signals: Methods and apparatus for implementing a reduced cost HDTV/SDTV video decoder are disclosed. The described joint video decoder is capable of decoding HDTV pictures at approximately the resolution of standard definition television pictures and can be used to decode HDTV and/or SDTV pictures. The described video decoder may be used... Agent: Straub & Pokotylo

20080037631 - Apparatus for performing loop-filtering on a pixel of an image: In one embodiment, the apparatus includes a decoder configured to obtain quantization information of a first block including the pixel to be filtered, and obtain a block type of the first block and a second block. The second block is adjacent to the first block. The quantization information is compared... Agent: Harness, Dickey & Pierce, P.L.C

20080037632 - Apparatus for removing blocking artifact by filtering pixels in a horizontal and then vertical direction: In one embodiment, the apparatus includes a decoder configured to obtain quantization information of a first block, and determine a filtering coefficient based on values obtained from a table using the quantization. Four successive filtered pixel values in horizontal direction are obtained by the decoder based on the filtering coefficient,... Agent: Harness, Dickey & Pierce, P.L.C

20080037629 - Method of reducing a blocking artifact when coding moving picture: A method of coding a moving picture is provided that reduces blocking artifacts. The method can include defining a plurality of defining pixels S0, S1, and S2, which are centered around a block boundary. If a default mode is selected then frequency information of the surroundings of the block boundary... Agent: Fish & Richardson P.C.

20080037630 - Method of removing blocking artifact using quantization information: In one embodiment, the method includes obtaining quantization information of a first block. The first block includes a pixel to be filtered. The method further includes determining a filtering coefficient based on a value obtained from a table using the quantization information, and obtaining four successive filtered pixel values based... Agent: Harness, Dickey & Pierce, P.L.C

20080037633 - Method and device for coding a sequence of video images: A video image sequence is coded or decoded. By motion compensated temporal filtering, using discrete wavelet decomposition, the discrete wavelet is decomposed by dividing the video image sequence into source and destination groups of images. An image in the destination group is determined from at least one image including pixels... Agent: Lowe Hauptman Ham & Berner, LLP

20080037634 - Method of reducing a blocking artifact when coding moving picture: A method of coding a moving picture is provided that reduces blocking artifacts. The method can include defining a plurality of defining pixels S0, S1, and S2, which are centered around a block boundary. If a default mode is selected then frequency information of the surroundings of the block boundary... Agent: Fish & Richardson P.C.

20080037636 - Method of determining motion vectors and a reference picture index for a current block in a picture to be decoded: In one embodiment, the method includes obtaining first and second motion vectors of a block other than the current block. The other block neighbors the current block at one of a left, top and top right position. First and second motion vectors of the current block are determined using the... Agent: Harness, Dickey & Pierce, P.L.C

20080037635 - Video coding and decoding devices and methods and systems thereof: Disclosed are Video coding and decoding devices, methods and system thereof, in which the video coding device comprises a video coder for performing video coding on a frame including a plurality of macroblocks by a predefined coding technique so as to output a normal coded stream and for outputting a... Agent: Dickstein Shapiro LLP

20080037637 - Moving picture encoding apparatus: In a moving picture encoding apparatus, a processing load detection section detects a load and outputs load information and a video encoder judges a load level based on the load information. A start pixel in target pixels is determined depending on the load level, the evaluation value is calculated from... Agent: Frishauf, Holtz, Goodman & Chick, PC

20080037638 - Method of reducing a blocking artifact when coding moving picture: A method of coding a moving picture is provided that reduces blocking artifacts. The method can include defining a plurality of defining pixels S0, S1, and S2, which are centered around a block boundary. If a default mode is selected then frequency information of the surroundings of the block boundary... Agent: Fish & Richardson P.C.

20080037639 - Method of deriving a motion vector of a bi-predictive block based on temporal distances associated with a co-located block in a reference picture: In one embodiment, the method includes selecting one motion vector of the co-located block in a first reference picture as the motion vector for deriving the motion vector of the bi-predictive block. A first temporal distance is derived from a difference between a current picture and a first reference picture.... Agent: Harness, Dickey & Pierce, P.L.C

20080037640 - Method of deriving a motion vector of a bi-predictive image block by applying a bit operation: In one embodiment, the method includes selecting a list0 motion vector of a co-located image block in a reference picture for the bi-predictive image block as a motion vector for deriving motion vectors of the bi-predictive image block regardless of whether the co-located block includes a list1 motion vector. At... Agent: Harness, Dickey & Pierce, P.L.C

20080037641 - Motion search module with field and frame processing and methods for use therewith: A motion compensation module, that can be used in a video encoder for encoding a video input signal, includes a motion search module that generates a motion search motion vector for each macroblock of a plurality of macroblocks by contemporaneously evaluating a top frame macroblock and bottom frame macroblock from... Agent: Garlick Harrison & Markison

20080037645 - Apparatus for determining motion vectors and a reference picture index for a current block in a picture to be decoded: In one embodiment, the apparatus includes a decoder. The decoder is configured to obtain first and second motion vectors and a reference picture index of blocks other than the current block. The other blocks neighbor the current block. The decoder is configured to determine first and second motion vectors of... Agent: Harness, Dickey & Pierce, P.L.C

20080037643 - Apparatus for removing a blocking phenomenon in a block based on prioritized factors: In one embodiment, the apparatus includes a decoder configured to obtain a coded block pattern of first and second blocks. The coded block pattern is one of a plurality of coded block patterns, the plurality of coded block patterns include an intra-coded block, and the second block is adjacent to... Agent: Harness, Dickey & Pierce, P.L.C

20080037644 - Method of deriving a motion vector of a bi-predictive image block based on a list 1 motion vector of a co-located block using a bit operation: In one embodiment, the method includes selecting a list 1 motion vector of the co-located block in a first list 1 reference picture as the motion vector for deriving list 0 and list 1 motion vectors of the bi-predictive block, if the co-located block only has the list 1 motion... Agent: Harness, Dickey & Pierce, P.L.C

20080037646 - Method of determining motion vectors and a reference picture index for a current block in a picture to be decoded: In one embodiment, the method includes obtaining first and second motion vectors and a reference picture index of a block other than the current block. First and second motion vectors of the current block are determined using the first and second motion vectors of the other block such that the... Agent: Jonathan Y. Kang, Esq. Lee & Hong P.C.

20080037642 - Motion compensation prediction method and motion compensation prediction apparatus: When motion vector is searched based on hierarchical search by designating any one of reference images of plural frames used every respective motion blocks, which have reference images of plural frames and are obtained by dividing an object frame image to be processed among successive frame images, a thinning unit... Agent: Rader Fishman & Grauer PLLC

20080037647 - Methods and apparatus for quarter-pel refinement in a simd array processor: An apparatus and a method for quarter-pel motion compensated search are described in the context of an array processor with tightly coupled, multi-cycle hardware assist attached to each node. A quarter-pel motion compensated search (QPMCS) instruction initiates the quarter-pel motion compensated search pipeline operation. An instruction decode and instruction operation... Agent: Gerald G. Pechanek

20080037648 - Apparatus for removing a blocking phenomenon in a block using a horizontal filter strength and then a vertical filter strength: In one embodiment, the apparatus includes a decoder configured to obtain a block type of the second block and the third block. The second block is adjacent to the first block horizontally, and the third block is adjacent to the first block vertically. The decoder is configured to determine whether... Agent: Harness, Dickey & Pierce, P.L.C

20080037650 - Methods and apparatus for providing a scalable deblocking filtering assist function within an array processor: Apparatus and methods for scalable block pixel filtering are described. A block filtering instruction is issued to a processing element (PE) to initiate block pixel filtering hardware by causing at least one command and at least one parameter be sent to a command and control function associated with the PE.... Agent: Gerald G. Pechanek

20080037649 - Device and method for merging different video codec: The present invention is directed to a video unified codec device and its method. According to an embodiment of this invention, the unified codec device comprises parsing and decoding functional units (PD FUs) extracting and grouping context information, control signals, and data in bit streams inputted according to different syntax... Agent: Birch Stewart Kolasch & Birch

20080037653 - Method of decoding a macroblock based on a macroblock level of the macroblock: In one embodiment, the method includes obtaining a reference picture list including multiple reference pictures, and determining an initial reference picture index of the multiple reference pictures in the reference picture list based on display order information for the multiple reference pictures. The reference picture index numbers increase for reference... Agent: Harness, Dickey & Pierce, P.L.C

20080037654 - Method of decoding a macroblock based on a macroblock level of the macroblock: In one embodiment, the method includes obtaining a reference picture list including multiple reference pictures, and determining an initial reference picture index of the multiple reference pictures in the reference picture list based on display order information for the multiple reference pictures. The initial reference picture index is selectively modified... Agent: Harness, Dickey & Pierce, P.L.C

20080037655 - Method of decoding a macroblock based on a macroblock level of the macroblock: In one embodiment, the method includes obtaining a reference picture list including multiple reference pictures, and determining an initial reference picture index of the multiple reference pictures in the reference picture list based on display order information for the multiple reference pictures. The reference picture index numbers increase for reference... Agent: Harness, Dickey & Pierce, P.L.C

20080037651 - Method of performing loop-filtering and additional filtering on pixels of an image: In one embodiment, loop-filtering is performed on four successive pixels if obtained quantization information for a first block is greater than the threshold value and the type of the first block and a second block is intra-coded block type. Two pixels of the four successive pixels are in the first... Agent: Harness, Dickey & Pierce, P.L.C

20080037652 - Method of removing a blocking phenomenon in a block using a horizontal filter strength and then a vertical filter strength: In one embodiment, the method includes obtaining a block type of the second block and the third block. The second block is adjacent to the first block horizontally, and the third block is adjacent to the first block vertically. The method further includes determining whether the second and third blocks... Agent: Harness, Dickey & Pierce, P.L.C

20080037656 - Method, device, and system for multiplexing of video streams: There is disclosed a method and device of statistical interleaving of at least two digital video sequences each comprising a plurality of coded pictures to be reproduced by a decoder, wherein the two digital video sequences form a single video stream and are destined for being successively reproduced in time,... Agent: Hollingsworth & Funk, LLC

20080037658 - Compressed domain encoding apparatus and methods for use with media signals: Apparatus, methods, and articles of manufacture for encoding a compressed media stream are disclosed. A disclosed method encodes frames associated with one or more compressed media streams within the media signal on a frame-by-frame basis and releases for transmission an encoded version of the media signal containing the encoded frames... Agent: Hanley, Flight & Zimmerman, LLC

20080037657 - Parameterization for fading compensation: Techniques and tools for performing fading compensation in video processing applications are described. For example, during encoding, a video encoder performs fading compensation using fading parameters comprising a scaling parameter and a shifting parameter on one or more reference images. During decoding, a video decoder performs corresponding fading compensation on... Agent: Klarquist Sparkman LLP

20080037660 - Apparatus for removing blocking artifact using quantization information: In one embodiment, the apparatus includes a decoder configured to obtain quantization information of a first block. The first block includes a pixel to be filtered. The decoder is configured to determine a filtering coefficient based on a value obtained from a table using the quantization information, and obtain four... Agent: Harness, Dickey & Pierce, P.L.C

20080037659 - Method of removing a blocking phenomenon using properties of a second block adjacent a first block: In one embodiment, the method includes obtaining a block type of the second block, and determining whether the second block has non-zero transform coefficient information if the obtained block type of the second block is not an intra-coded block. The method further includes determining a non-zero filter strength value based... Agent: Harness, Dickey & Pierce, P.L.C

20080037661 - Mobile communication system having multiple modulation zones: By arranging the area covered by a central transmission point into zones and by using different modulation schemes within each zone, increased throughput can be achieved by reducing the interference between communicating devices. The zones typically would be arranged by either distance from the transmission point or by passloss (PL),... Agent: Fulbright & Jaworski L.l.p

20080037662 - Digital transmitter and methods of generating radio-frequency signals using time-domain outphasing: Embodiments of a multicarrier transmitter and method of generating an RF signal for transmission are generally described herein. Other embodiments may be described and claimed. In some embodiments, a multicarrier transmitter generates RF signals for transmission using non-linear switching power amplifiers to amplify outphased switching waveforms allowing the multicarrier transmitter... Agent: Schwegman, Lundberg & Woessner, P.A.

20080037670 - Maximal ratio combining of equalized symbols for mimo systems with harq and/or repetition coding: Systems and methods are provided for decoding signal vectors in multiple-input multiple-output (MIMO) systems, where the receiver has received one or more signal vectors based on the same transmitted vector. The receiver linearizes each received signal vector using one or more zero-forcing, MMSE, or other suitable linear equalizers. The components... Agent: Ropes & Gray LLP Patent Docketing 39/361

20080037665 - Radio communication apparatus for controlling bandwidth of channel: Provided is a wireless communication apparatus for communicating by a single channel using ultra wide band impulse signals, being configured to: detect the signal transmitted by other wireless systems in a frequency band where the signal can be transmitted; determine a transmission band avoiding the band in which the signal... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20080037669 - Wireless communication method and system for indexing codebook and codeword feedback: The present invention is related to indexing channel information feedback in a multiple-input multiple-output (MIMO)-based wireless communication system. In one embodiment, at least one measurement of a channel metric is performed. The measured channel metric is quantized and a codeword is selected that represents the measured channel metric. Feedback is... Agent: Volpe And Koenig, P.C. Dept. Icc

20080037664 - Adaptive harq in an ofdma based communication system: The present invention discloses constructs and methods for transmitting a HARQ re-transmission in an adaptive manner in a wireless communication system. The system of the present invention discloses: scheduling the re-transmission of a data packet, based on decoding results from a receiver; determining a plurality of parameters for re-transmission in... Agent: Akin Gump Strauss Hauer & Feld, LLP

20080037671 - Apparatus and method for low-complexity scheduling in multi-user mimo system: Provided is an apparatus and method for low-complexity scheduling in a multi-user Multi-Input Multi-Output (MIMO) system. In a method for scheduling in a MIMO system, a vector is set on the basis of channel information for all user terminals. A scalar for the vector is initialized. A user terminal that... Agent: The Farrell Law Firm, P.C.

20080037672 - Control system and multiple access method in wireless communication system: A multiple access method in a wireless communication system using a plurality of multiple access techniques is provided. When a call is established with a wireless terminal, the terminal transmits a duplexing mode determination factor to the base station to set a time or frequency division duplexing mode for reverse... Agent: The Farrell Law Firm, P.C.

20080037666 - Method for seamlessly changing power modes in an adsl system: A DMT system and method with the capability to adapt the system bit rate on-line in a seamless manner. The DMT system provides a robust and fast protocol for completing this seamless rate adaptation. The DMT system also provides a framing and encoding method with reduced overhead compared to conventional... Agent: Sheridan Ross P C

20080037668 - 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. Patent Docket Administration

20080037667 - Processing method for providing, starting from signals acquired by a set of sensors, an aggregate signal and data acquisition system using such method: Embodiment for forming an aggregate signal from a plurality of starting signals, comprising: acquiring said starting signals through respective sensors of a homogeneous sensors group; converting acquired signals in respective digital signals having data represented with a predetermined bits number; processing the digital signals to form aggregate signal. The processing... Agent: Graybeal Jackson Haley LLP Suite 350

20080037663 - Timing and symbol alignment in multipoint-to-point communication using orthogonal frequency division multiplexing: A multipoint-to-point, orthogonal frequency division multiplexed (OFDM) communication system is provided. The system includes a plurality of remote units and a host unit that includes a demodulator. Each of the remote units transmits an upstream OFDM signal using a multiple access scheme to the host unit demodulator using at least... Agent: Fogg & Powers LLC

20080037673 - Spatial modulation method and transmitting and receiving apparatuses using the same in a multiple input multiple output system: A spatial modulation method and transmitting and receiving apparatuses using the spatial modulation method in a MIMO system are provided. The spatial modulation method uses an index of an activated antenna and a signal modulation constellation as an information source. The spatial modulation method is applied to the transmitting apparatus.... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.

20080037675 - Codebook and pre-coder selection for closed-loop mimo: A method of transmitting a communication signal (FIG. 1) is disclosed. The method includes receiving a data signal (102). The method further includes receiving a codeword index (pre-coder selection) from a remote transceiver. A codeword is selected from a Householder matrix based codebook in response to the index. The data... Agent: Texas Instruments Incorporated

20080037674 - Multi-device coordinated audio playback: A wireless device (100) provides coordinated audio playback. The device (100) includes a network interface (112) that receives a signal from a sending or originating device (401) and sends a reply to the signal. A network delay value is then calculated based on the reply to the signal. The wireless... Agent: Motorola, Inc.

20080037676 - Apparatus and method for transmitting/receiving signal in a communication system: Disclosed is an apparatus and method for transmitting/receiving a signal in a communication system, in which an MCS level or a modulation scheme to be used to an information vector to be transmitted is determined when the information vector is generated, and a codeword vector is generated by encoding the... Agent: The Farrell Law Firm, P.C.

20080037677 - Low complexity scalable mimo detector and detection method thereof: A scalable Multiple-Input Multiple-Output (MIMO) detector, comprises an ordering block, a group interference suppression block, a core detector and a residual detector. The ordering block determines an order of the columns of a channel matrix including received streams based on the power thereof. The group interference suppression block coupled to... Agent: Wpat, PC Intellectual Property Attorneys

20080037678 - Systems and methods for wireless communication system channel allocation using intentional delay distortion: Advantage is taken of adaptive allocation techniques by intentionally creating multi-user diversity in an otherwise flat fading environment in order to improve system capacity. In one embodiment, multi-path distortion can be resolved to determine subscriber station (SS) diversity gain. Overall network capacity can be increased by allocating channel assignments to... Agent: Fulbright & Jaworski L.l.p

20080037680 - Transmission method, transmitter, and receiver for multi antenna wireless communication system: A transmitter includes first generator to generate pilot source signal by modulating pilot sequence, second generator to generate data source signal with time length longer than that of pilot source signal by modulating data sequence, first cyclic shifter to perform cyclic shift of first shift amount to pilot source signal... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080037682 - Apparatus of transmitter and receiver for mimo mc-cdma system: The invention relates to an apparatus of transmitter and receiver for MIMO MC-CDMA systems. At the transmitter, modified orthogonal transmit diversity (MOTD) encoders are used for increasing space and time transmission diversity. A P-way combiner is used to connect the MOTD encoders and P multi-carrier modulators. Each modulator is connected... Agent: Bacon & Thomas, PLLC

20080037681 - Multi-antenna transmission for spatial division multiple access: An uplink channel response matrix is obtained for each terminal and decomposed to obtain a steering vector used by the terminal to transmit on the uplink. An “effective” uplink channel response vector is formed for each terminal based on its steering vector and its channel response matrix. Multiple sets of... Agent: Qualcomm Incorporated

20080037679 - System and method for space-frequency rate control in a mimo wireless communication network: A base station that communicates with subscriber stations in an OFDM wireless network. The base station transmits a first data stream and a second data stream to a subscriber station using a first virtual antenna and a second virtual antenna. The base station allocates first data symbols associated with the... Agent: Docket Clerk

20080037683 - Apparatus for transmitting and outputting content, a method for transmitting and outputting content and a data structure for transmitting content: This invention relates to an apparatus and method for transmitting content, an apparatus and method for outputting content, and a data structure for transmitting content. According to an embodiment, the method for transmitting content includes generating content output information of the content; and transmitting the content and the content output... Agent: Birch Stewart Kolasch & Birch

20080037684 - Communication system for utilizing single tone testing signal having specific frequency or combinations of dc value and single tone testing signal to calibrate impairments in transmitting signal: A communication system for determining a target calibration parameter for calibrating impairments in a transmission signal is disclosed. The communication system includes a carrier signal generator, a transmitting module, a testing signal generator, a power detection unit, and a calibration apparatus. The testing signal generator generates a first testing signal... Agent: North America Intellectual Property Corporation

20080037685 - Space-time coded transmissions within a wireless communication network: Techniques are described for space-time block coding for single-carrier block transmissions over frequency selective multipath fading channels. Techniques are described that achieve a maximum diversity of order NtNr (L+1) in rich scattering environments, where Nt (Nr) is the number of transmit (receive) antennas, and L is the order of the... Agent: Shumaker & Sieffert, P. A.

20080037686 - Wireless transmission method using ofdm and transmitter and receiver thereof: A wireless transmitter includes an allocation unit allocating first modulation symbols to first subcarriers arranged in N subcarriers cycles, modulators performing OFDM modulation on the first modulation symbols allocated to the first subcarriers to generate OFDM signals including at least one OFDM symbol corresponding to the first modulation symbol, a... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080037687 - Method of direct rf digitization for multiple gnss system bands and receiver using the same: A method of direct RF digitization for multiple RF signal bands such GNSS or wireless communication signal bands and a receiver using the method. By using the method, an optimal sampling frequency to be used in direct RF digitization for signals of multiple RF signal bands can be easily obtained.... Agent: Madson & Austin

20080037688 - Method and circuit for carrier control in a quadrature demodulator: The invention relates to a method and a circuit for carrier control in a quadrature modulator, wherein a complex-value input signal (I, Q) is supplied to a mixer (I) to perform mixing with a mixing frequency (fm) to create a mixed signal (Ir, Qr), the mixed signal (Ir, Qr) is... Agent: Maginot, Moore & Beck Chase Tower

20080037689 - Adaptive kalman filtering for fast fading removal: An adaptive Kalman filtering method and apparatus are used to process signal measurement data associated with the received radio signal. The signal measurement data includes a fast fading component and a slow fading component. The adaptive Kalman filtering process filters out the fast fading component of the signal measurement data... Agent: Nixon & Vanderhye, PC

20080037690 - Data communications systems: A receiver for a data communications system comprises: a data path for receiving a data signal from a data channel, the data path comprising an automatic gain control (AGC) loop; and, a signal detector for generating a data valid signal indicative of the validity of the data signal in response... Agent: International Business Machines Corporation Dept. 18g

20080037691 - Method and apparatus for diversity combining and co-channel interference suppression: Systems and methods for processing received signals are disclosed and may include determining, for each block of data in a received frame, diversity combining weight vectors based on a channel estimate and a correlation matrix of an unwanted signal. For each sample in each of the block of data in... Agent: Mcandrews Held & Malloy, Ltd

20080037692 - Programmable filter: Apparatuses, methods, and articles of manufacture disclosing a filter with a plurality of convolver branches are described herein. Each of the plurality of convolver branches include a multiplier, integrator, and sampler and hold circuit. A sampled output of one branch may be fed back to another branch. Other embodiments may... Agent: Schwabe, Williamson & Wyatt, P.C.

20080037693 - Vehicular communications system having improved serial communication: A communications system for controlling equipment associated with a vehicle, includes a micro-controller (604) and a digital serial communication link (621, 622, 662, 663) using a multiplexed timing signal and first data signal. A camera or image sensor (650) located in the vehicular component communicates with the micro-controller (604) via... Agent: Price, Heneveld, Cooper, Dewitt, & Litton, LLP/gentex Corporation

20080031307 - Wireless transmission device, wireless reception device, and symbol arranging method: A wireless transmission device enabled to improve an error rate performance at a receiver, by acquiring at least one of frequency diversity effect and a time diversity effect while keeping the interference resistance which is acquired by diffusion. In this transmission device, a modulation unit (101) modulates data to create... Agent: Stevens, Davis, Miller & Mosher, LLP

20080031308 - Communication apparatus for parallel reception and accumulative reception: A communication apparatus includes an antenna which receives data frames from transmitters; at least one correlator, each of which is associated with a single identification code and detects a frame corresponding to the identification code from the data frames; and a reserved correlator which detects an acknowledge (ACK) frame from... Agent: Sughrue Mion, PLLC

20080031309 - Receiver and method for detecting frequency and timing offsets in multiple input multiple output (mimo) system: Frequency and timing offsets compensation in a Multiple Input Multiple Output (MIMO) system are provided. A receiver includes one or more antennas for receiving one or more signals using the same radio resource; a channel estimator for estimating a channel using the received signals; a transmit signal candidate pre-compensator for... Agent: The Farrell Law Firm, P.C.

20080031310 - Cross-correlated tdma, spread spectrum, cdma and ofdm systems: Cross-Correlated Time Division Multiple Access (TDMA), Spread Spectrum, Code Division Multiple Access (CDMA) and Orthogonal Frequency Division Multiplexed (OFDM) modulated OFDM receiver and demodulator systems. Receiver for receiving a Time Division Multiple Access (TDMA) modulated signal having a first modulation format and a second modulated signal having a second modulation... Agent: Kamilo Feher

20080031311 - Skew-correcting apparatus using dual loopback: This algorithm and apparatus provides the ability to determine the amount of skew that should be injected into a high-speed data communications system comprising of a plurality of lanes comprising a data bus on a per lane basis, relative to a reference lane, for the purpose of compensating for inherent... Agent: Avalon Microelectronics, Inc. Attn: Heidi Peet

20080031312 - Skew-correcting apparatus using iterative approach: This algorithm and apparatus provides the ability to deskew a plurality of lanes comprising a data bus in a high-speed data communications system. This deskewing is necessary due to inherent system skew. By iterating through the possible intervals within the maximum expected skew search space, the correct combination of search... Agent: Avalon Microelectronics, Inc. Attn: Heidi Peet

20080031313 - Performance stabilization for multi-carrier dsl: One embodiment of the invention relates to a method of performance stabilization for multi-carrier DSL. A real signal-to-noise ratio is measured for each of a plurality of channels. A reference signal-to-noise ratio is calculated based on both the real signal-to-noise ratio and a virtual signal-to-noise ratio. Bit loading is set... Agent: Eschweiler & Associates, LLC National City Bank Building

20080031314 - Simplified practical rank and mechanism, and associated method, to adapt mimo modulation in a multi-carrier system with feedback: A method of adapting transmission parameters in a multicarrier communication system having multiple transmit antennas and/or multiple receive antennas, whereby a statistical parameter of a wideband channel is computed, one type of matrix modulation scheme is selected to be used for a given multicarrier modulation symbol, one type of signal... Agent: Alston & Bird LLP

20080031315 - Denoising signals containing impulse noise: A denoising process models a noisy signal using classes and subclasses of symbol contexts. The process generates class count vectors having components that combine occurrence counts for different symbols in different contexts. Biases determined separately for each subclass and a fixed predictor indicate which symbol occurrence counts for different context... Agent: Hewlett Packard Company

20080031316 - Carrier recovery architecture with improved acquisition: A carrier recovery and equalization architecture for use with a digital communication system receiver can include a carrier tracking loop having an equalizer. The equalizer can be selectively positionable to a location that is external to the carrier tracking loop (FIG. 3) and to a location within the carrier tracking... Agent: Thomson Licensing LLC

20080031317 - Method for wireless data transmission between a base station and a transponder via inductive coupling: A method and transponder for wireless data transmission between a base station and a transponder is provided by means of inductive coupling, the transponder supports a first data transmission protocol type and/or a second data transmission protocol type. In the first data transmission protocol type, the data transmission is ended... Agent: Mg-ip Law, PLLC

20080031322 - Apparatus for filtering a pixel using a filtering coefficient: In one embodiment, the apparatus includes a decoder configured to obtain a pixel value difference between two successive pixels. The two successive pixels are on a block boundary. The decoder is configured to calculate the filtering coefficient based on the pixel value difference, and obtain four successive filtered pixel values... Agent: Harness, Dickey & Pierce, P.L.C

20080031323 - Apparatus for obtaining a filtered pixel value from a reference pixel group: In one embodiment, the apparatus includes a decoder configured to determine a reference pixel group including a pixel to be filtered. The reference pixel group includes at least three successive pixels. Two of the three successive pixels are in a first block and one of the three successive pixels is... Agent: Harness, Dickey & Pierce, P.L.C

20080031321 - Apparatus for obtaining a filtered value by application of a shift operation: In one embodiment, the apparatus includes a decoder configured to determine a reference pixel group including a pixel to be filtered. The reference pixel group includes at least three successive pixels. The decoder is configured to applying weight factors to at least each of the three successive reference pixels. The... Agent: Harness, Dickey & Pierce, P.L.C

20080031320 - Apparatus for obtaining filtered values in a horizontal and veritcal direction: In one embodiment, the apparatus includes a decoder. The decoder is configured to obtain at least three horizontally successive reference pixel values including a pixel to be filtered, and apply first weight factors to at least each of the three horizontally successive reference pixel values. The first weight factors are... Agent: Harness, Dickey & Pierce, P.L.C

20080031324 - Apparatus for removing a blocking phenomenon using properties of two blocks: In one embodiment, the apparatus includes a decoder configured to obtain a coded block pattern of first and second blocks. The coded block pattern may be one of a plurality of coded block patterns, the plurality of coded block patterns may include an intra-coded block, and the second block may... Agent: Harness, Dickey & Pierce, P.L.C

20080031319 - Method of removing a blocking phenomenon using properties of two blocks: In one embodiment, the method includes obtaining a coded block pattern of first and second blocks. The coded block pattern may be one of a plurality of coded block patterns, the plurality of coded block patterns may include an intra-coded block, and the second block may be adjacent to the... Agent: Harness, Dickey & Pierce, P.L.C

20080031325 - Mesh-based video compression with domain transformation: Techniques for performing mesh-based video compression/decompression with domain transformation are described. A video encoder partitions an image into meshes of pixels, processes the meshes of pixels to obtain blocks of prediction errors, and codes the blocks of prediction errors to generate coded data for the image. The meshes may have... Agent: Qualcomm Incorporated

20080031329 - Data processing circuit: The present invention provides a functional block that executes video coding and video decoding based on H.264/AVC. The functional block includes two moving picture processing units, and a memory unit that stores therein data related to the results of processing of first plural macroblocks arranged within one row of one... Agent: Miles & Stockbridge PC

20080031327 - Real-time capturing and generating stereo images and videos with a monoscopic low power mobile device: A monoscopic low-power mobile device is capable of creating real-time stereo images and videos from a single captured view. The device uses statistics from an autofocusing process to create a block depth map of a single capture view. Artifacts in the block depth map are reduced and an image depth... Agent: Qualcomm Incorporated

20080031326 - Secure and personalized broadcasting of audiovisual streams by a hybrid unicast/multicast system: A process for secure distribution of digital audiovisual streams according to a standard, normalized or proprietary format including separating an original stream into two parts, transmitting the parts to addressee equipment, generating a modified main stream having a format of the original stream and complementary information with any format including... Agent: Ip Group Of Dla Piper US LLP

20080031331 - Method of filtering a pixel using horizontal and vertical filtering coefficients: In one embodiment, four horizontal successive pixels are first filtered based on a determined horizontal filtering coefficient. Two pixels of the four horizontal successive pixels are in a first block and two pixels of the four horizontal successive pixels are in a second block. Then four vertical successive pixels are... Agent: Harness, Dickey & Pierce, P.L.C

20080031330 - Method of obtaining filtered values in a horizontal and vertical direction: In one embodiment, the method includes obtaining at least three horizontally successive reference pixel values including a pixel to be filtered, and applying first weight factors to at least each of the three horizontally successive reference pixel values. The first weight factors are different according to pixel position. A first... Agent: Harness, Dickey & Pierce, P.L.C

20080031328 - Moving picture encoding device, method, program, and moving picture decoding device, method, and program: After an input image signal (2000) of a smaller resolution is encoded by an encoder (20), an input image signal (1000) of a greater resolution is subjected to motion compensation processing by a motion compensation unit (102) according to motion information (1998), thereby generating a prediction error signal (1001). Simultaneously... Agent: Sughrue Mion, PLLC

20080031332 - Method of deriving a motion vector of a bi-predictive block based on a list o motion vector of a co-located block in a reference picture: In one embodiment, the method includes selecting the list0 motion vector of the co-located image block for the bi-predictive image block as a motion vector for deriving motion vectors of the bi-predictive image block regardless of whether the co-located block includes a list1 motion vector. The selected motion vector of... Agent: Harness, Dickey & Pierce, P.L.C

20080031338 - Interpolation frame generating method and interpolation frame generating apparatus: According to one embodiment, an interpolation frame generating method includes detecting a motion vector of an object in input frame images by block matching processing between the input frame images, generating an interpolation frame by using the detected motion vector, and inserting the interpolation frame between the input image frames.... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20080031333 - Motion compensation module and methods for use therewith: A motion compensation module, that can be used in a video encoder for encoding a video input signal, includes a motion search module that generates a motion search motion vector for each macroblock of a plurality of macroblocks in a row of the input signal. A motion refinement module generates... Agent: Garlick Harrison & Markison

20080031334 - Motion search module with horizontal compression preprocessing and methods for use therewith: A motion compensation module, that can be used in a video encoder for encoding a video input signal, includes a motion search module that generates a motion search motion vector for each motion search macroblock of a plurality of motion search macroblocks in at least one of a horizontally compressed... Agent: Garlick Harrison & Markison

20080031337 - Transcoder and coded image conversion method: A quantization step determination part inputs an evaluation value (ACT_MB) indicating the dispersion in a macroblock and its average value (ACT_PIC). A subtracter obtains the difference between these values, and a multiplier multiplies the difference by raq (<1) to obtain a weighting value. Next, an adder adds the weighting value... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080031336 - Video decoding apparatus and method: A video decoding apparatus includes a decoder to decode coded data to generate a decoded image signal, a detector to detect a block including no AC component of a DCT coefficient from the coded data, an estimator to estimate a degree of decrease of a given high-frequency component at the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080031339 - Image matching device and method for motion pictures: A matching section performs motion estimation upon a predetermined processing unit of input video (p) by, e.g., an iterative gradient method. A motion vector (v) obtained by the iterative gradient method is obtained by the expression v=α·Δv+v0 (wherein v0 indicates an initial displacement motion vector and Δv indicates a differential... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080031341 - Method of deriving a motion vector of a bi-predictive block based on a list 1 motion vector of a co-located block in a reference picture: In one embodiment, the method includes selecting the list 1 motion vector of the co-located block in a first list 1 reference picture as the motion vector for deriving list 0 and list 1 motion vectors of the bi-predictive block, if the co-located block only has the list 1 motion... Agent: Harness, Dickey & Pierce, P.L.C

20080031342 - Method of deriving a motion vector of a bi-predictive block based on scaling a motion vector of a co-located block in a reference picture: In one embodiment, the method includes selecting a list0 motion vector of the co-located image block in the reference picture for the bi-predictive image block as a motion vector for deriving motion vectors of the bi-predictive image block if the co-located image block has a list1 and a list0 motion... Agent: Harness, Dickey & Pierce, P.L.C

20080031343 - Method of deriving a motion vector of a bi-predictive image block based on a list o motion vector of a co-located block using a bit operation: In one embodiment, the method includes selecting the list0 motion vector of the co-located image block for the bi-predictive image block as a motion vector for deriving motion vectors of the bi-predictive image block if the co-located image block has a list1 and a list0 motion vector. At least one... Agent: Harness, Dickey & Pierce, P.L.C

20080031340 - Method of removing a blocking phenomenon in a first block using properties of second and third blocks adjacent the first block: In one embodiment, the method includes obtaining a block type of the second block and the third block. The second block is adjacent to the first block horizontally, and the third block is adjacent to the first block vertically. The method further includes determining whether the second and third blocks... Agent: Harness, Dickey & Pierce, P.L.C

20080031335 - Motion detection device: Reference picture data for full-pel-precision motion detection and picture data of a macroblock to be encoded are transferred from an SDRAM (41) to a local memory (31). The full-pel-precision motion detection is performed by a full-pel-precision motion detecting unit (21), and the transfer region of the reference picture data for... Agent: Wenderoth, Lind & Ponack L.L.P.

20080031345 - Methods and systems for combining layers in a multi-layer bitstream: Embodiments of the present invention comprise systems and methods for managing and combining layers in a multi-layer bitstream.... Agent: Krieger Intellectual Property, Inc.

20080031346 - Methods and systems for image processing control based on adjacent block characteristics: Embodiments of the present invention comprise systems and methods for managing and combining layers in a multi-layer bitstream.... Agent: Krieger Intellectual Property, Inc.

20080031347 - Methods and systems for transform selection and management: Embodiments of the present invention comprise systems and methods for managing and combining layers in a multi-layer bitstream.... Agent: Krieger Intellectual Property, Inc.

20080031344 - Wyner-ziv and wavelet video coding: Wyner-Ziv and wavelet video coding is described. In one aspect, Wyner-Ziv frames from multiple frames of source video content are zero-tree entropy encoded to generate encoded Wyner-Ziv content. The zero-tree entropy encoding operations are based on high-order statistical correlations among wavelet transforms from the Wyner-Ziv frames. The encoded Wyner-Ziv content... Agent: Lee & Hayes PLLC

20080031318 - Frame conversion apparatus and method, and frame type detection apparatus and method: Provided are a frame conversion apparatus and method and a frame type detecting apparatus and method. The frame conversion apparatus may include a detecting unit and an inverse telecine unit. The detecting unit may determine that each data frame is a telecine frame or a progressive frame according to the... Agent: Harness, Dickey & Pierce, P.L.C

20080031348 - Apparatus for removing a blocking phenomenon: One embodiment of the apparatus includes a decoder configured to obtain a coded block pattern of first and second blocks. The coded block pattern is one of a plurality of coded block patterns, the plurality of coded block patterns includes an intra-coded block, and the second block is adjacent to... Agent: Harness, Dickey & Pierce, P.L.C

20080031349 - Dtv transmitting system and receiving system and method of processing broadcast data: A DTV transmitting system includes a frame encoder, a randomizer, a block processor, a group formatter, a deinterleaver, and a packet formatter. The frame encoder builds an enhanced data frame and encodes the frame two times for first and second error correction, respectively. It further permutes a plurality of encoded... Agent: Lee, Hong, Degerman, Kang & Schmadeka

20080031354 - Method of filtering a pixel of an image using a weighted filtering coefficient: In one embodiment, the method includes obtaining a pixel value difference between two successive pixels. The two successive pixels are on a block boundary. The method further includes calculating the filtering coefficient based on the pixel value difference, weighting the filtering coefficient, and obtaining a filtered pixel value based on... Agent: Harness, Dickey & Pierce, P.L.C

20080031355 - Method of filtering a pixel using a filtering coefficient: In one embodiment, the method includes obtaining a pixel value difference between two successive pixels. The two successive pixels are on a block boundary. The method further includes calculating the filtering coefficient based on the pixel value difference, and obtaining four successive filtered pixel values based on the filtering coefficient.... Agent: Harness, Dickey & Pierce, P.L.C

20080031352 - Method of obtaining a filtered pixel value from a reference pixel group: In one embodiment, the method includes determining a reference pixel group including a pixel to be filtered. The reference pixel group includes at least three successive pixels. Two of the three successive pixels are in a first block and one of the three successive pixels is in a second block.... Agent: Harness, Dickey & Pierce, P.L.C

20080031351 - Method of obtaining a filtered value by application of a shift operation: In one embodiment, the method includes determining a reference pixel group including a pixel to be filtered. The reference pixel group includes at least three successive pixels. The method further includes applying weight factors to at least each of the three successive reference pixels. The weight factors are different according... Agent: Harness, Dickey & Pierce, P.L.C

20080031350 - Method of performing loop-filtering on sets of four successive pixels of an image: In one embodiment, the method includes obtaining quantization information of a first block, obtaining a block type of the first block, and comparing the quantization information and a threshold value. Loop-filtering is performed on four successive pixels by using at least three successive pixels in a horizontal direction firstly if... Agent: Harness, Dickey & Pierce, P.L.C

20080031353 - Method of removing a blocking phenomenon in a block based on prioritized factors: In one embodiment, the method includes obtaining a coded block pattern of first and second blocks. The coded block pattern is one of a plurality of coded block patterns, the plurality of coded block patterns include an intra-coded block, and the second block is adjacent to the first block. The... Agent: Harness, Dickey & Pierce, P.L.C

20080031357 - Decoding device, information reproducing apparatus and electronic apparatus: A decoding device decodes stream data including first data after first variable length encoding and second data after second variable length encoding in a stream form. The decoding device comprises: a presearch unit that, based on parameter data for each macroblock, analyzes a mode of the macroblock and performs first... Agent: Oliff & Berridge, PLC

20080031356 - Information processing apparatus and decode controlling method of an information processing apparatus: According to one embodiment, an information processing apparatus includes a determination unit configured to determine an encoded status of an encoded moving image data, an estimation unit configured to estimate a decoding load of the moving image data based on the encoded status of the moving image data determined by... Agent: Knobbe Martens Olson & Bear LLP

20080031361 - Apparatus for performing loop-filtering on four successive pixels of an image: In one embodiment, the apparatus includes a decoder configured to obtain quantization information of a first block, obtain a block type of the first block, and compare the quantization information and a threshold value. Loop-filtering is performed by the decoder on four successive pixels by using at least three successive... Agent: Harness, Dickey & Pierce, P.L.C

20080031363 - Apparatus for removing a blocking phenomenon in a first block using properties of second and third blocks adjacent the first block: In one embodiment, the apparatus includes a decoder configured to obtain a block type of the second block and the third block. The second block is adjacent to the first block horizontally, and the third block is adjacent to the first block vertically. The decoder is configured to determine whether... Agent: Harness, Dickey & Pierce, P.L.C

20080031362 - Apparatus for removing a blocking phenomenon using properties of a second block adjacent a first block: In one embodiment, the apparatus includes a decoder configured to obtain a block type of the second block, and determine whether the second block has non-zero transform coefficient information if the obtained block type of the second block is not an intra-coded block. The decoder is configured to determine a... Agent: Harness, Dickey & Pierce, P.L.C

20080031358 - Method of performing loop-filtering on a pixel of an image: In one embodiment, the method includes obtaining quantization information of a first block including the pixel to be filtered, and obtaining a block type of the first block and a second block. The second block is adjacent to the first block. The quantization information is compared to a threshold value,... Agent: Harness, Dickey & Pierce, P.L.C

20080031360 - Method of removing blocking artifact by filtering pixel in second block using coefficient obtained using quantization information for first block: In one embodiment, the method includes obtaining quantization information of a first block, and determining a filtering coefficient based on values obtained by using the quantization information. A filtered pixel value included in a second block is obtained based on the filtering coefficient. The second block is adjacent to the... Agent: Harness, Dickey & Pierce, P.L.C

20080031359 - Method of removing blocking artifact by filtering pixels in a horizontal and then vertical direction: In one embodiment, the method includes obtaining quantization information of a first block, and determining a filtering coefficient based on values obtained from a table using the quantization. Four successive filtered pixel values in horizontal direction are obtained based on the filtering coefficient, and four successive filtered pixel values in... Agent: Harness, Dickey & Pierce, P.L.C

20080031364 - Encoding and decoding method to control a direct current (dc) component, and data processing apparatus performing the same: An encoding method includes partitioning an input stream into first sub-blocks and second sub-blocks, encoding the second sub-blocks based on a number and location of reference sub-blocks to generate third sub-blocks when at least one of the first sub-blocks corresponds to a forbidden pattern, and rearranging the first sub-blocks and... Agent: Stanzione & Kim, LLP

20080031365 - Signal coding and decoding based on spectral dynamics: In an apparatus and method, time-varying signals are processed and encoded via a frequency domain linear prediction (FDLP) scheme to arrive at an all-pole model. Residual signals resulted from the scheme are estimated. Quantized values of the all-pole model and the residual signals are packetized as encoded signals suitable for... Agent: Qualcomm Incorporated

20080031366 - Network control apparatus and method for enabling network chip: A network control apparatus includes a connector, a controller and a power switch. When a network cable is connected to the connector, the connector outputs a detecting signal to the controller, and the controller outputs a power control signal to the power switch. After the power switch receives the power... Agent: Bacon & Thomas, PLLC

20080031367 - Bypass device and method for a power line communications system: A passive bypass device for providing a data path around a power meter is provided. The device may be communicatively connected to two low voltage power line energized conductors on a first and a second side of a power meter. The energized power line conductors conduct both the data signals... Agent: Capital Legal Group, LLC

20080031369 - Apparatus and methods for multi-carrier wireless access with energy spreading: Apparatus and methods for conducting communication over a wireless or other network using a multi-carrier energy-spreading approach. In one embodiment, an energy-spreading technique (EST) is applied within a multi-carrier or MC-CDMA system to improve signal detection performance and diversity. Significant improvements in Eb/N0 are achieved for both indoor and urban... Agent: Robert F. Gazdzinski, Esq. Gazdzinski & Associates

20080031368 - Efficient cell selection: Systems and methods of cell selection are based on measures of frequency selectivity, time selectivity, and/or antenna selectivity. For example, the delay spread and coherence bandwidth of a channel are two measures of frequency selectivity that can be taken into account in the cell selection process. In addition to or... Agent: Potomac Patent Group PLLC

20080031371 - Frequency synthesizer and frequency synthesizing method: A frequency synthesizer for generating a plurality of frequencies of a MB-OFDM UWB system is disclosed, wherein the frequencies include first to fourteenth frequencies from low to high and any of the adjacent two frequencies differs by a basic intervallic frequency. The frequency synthesizer includes a phase locked loop generating... Agent: Birch Stewart Kolasch & Birch

20080031370 - Method and apparatus for ofdm channel estimation: According to methods and apparatus taught herein, an Orthogonal Frequency Division Multiplexed (OFDM) transmitter increases pilot density in the edge regions of an OFDM signal, such as by using additional pilot sub carriers in the edge regions. For example, the OFDM signal includes first pilot sub carriers uniformly distributed across... Agent: Coats & Bennett, PLLC

20080031372 - Broadcast transmission with spatial spreading in a multi-antenna communication system: An access point in a multi-antenna system broadcasts data using spatial spreading to randomize an “effective” channel observed by each user terminal for each block of data symbols broadcast by the access point. At the access point, data is coded, interleaved, and modulated to obtain ND data symbol blocks to... Agent: Qualcomm Incorporated

20080031373 - System and method for contention based tones in a multipoint-to-point orthogonal frequency division multiplexing system: Systems and methods for contention based tones in a multipoint-to-point orthogonal frequency division multiplexing system are provided. In one embodiment, a multipoint-to-point, orthogonal frequency division multiplexed (OFDM) communication system comprises: a host unit; a plurality of remote units that access the host unit using an orthogonal frequency division multiple access... Agent: Fogg & Powers LLC

20080031374 - Broadcast transmission with spatial spreading in a multi-antenna communication system: An access point in a multi-antenna system broadcasts data using spatial spreading to randomize an “effective” channel observed by each user terminal for each block of data symbols broadcast by the access point. At the access point, data is coded, interleaved, and modulated to obtain ND data symbol blocks to... Agent: Qualcomm Incorporated

20080031375 - Wireless communication device and channel estimation and separation method in multi input system: In a wireless communication apparatus of multi-input system, Fourier transform is used to estimate the frequency response of a received signal and further provide a converted impulse response of time domain, and a window function having a simple lowpass filter characteristic is used to separate the impulse response into channel... Agent: Bingham Mccutchen LLP

20080031376 - Transmission apparatus, reception apparatus and radio communication system: There is provided with a transmission apparatus including: a first modulator configured to perform modulation processing on data to be transmitted to a first reception apparatus and thereby generate amplitude-phase data made up of data of amplitude and phase; a second modulator configured to perform modulation processing so as to... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080031377 - Method and system for data transmission with decreased bit error rate: A method for generating a modulated carrier signal with reduced bit error rates based on a plurality of data symbols. A plurality of data symbols are received, and a digital input signal is generated based on the plurality of data symbols. The digital input signal are filtered to produce a... Agent: Tyco Technology Resources

20080031378 - Method and system for data transmission with decreased bit error rate: A method for generating a modulated carrier signal with reduced bit error rates based on a plurality of data symbols. A plurality of data symbols are received, and a digital input signal is generated based on the plurality of data symbols. The digital input signal are filtered to produce a... Agent: Tyco Technology Resources

20080031379 - Method for transmitting data and data transmitter: A method is disclosed herein for transmitting data via a transmission path with at least two inductive transformers which respectively have a primary winding with a time constant and a secondary winding. The method comprises actuating the primary winding in order to transmit an information event by means of actuating... Agent: Maginot, Moore & Beck Chase Tower

20080031380 - Peak power suppressing apparatus and peak power supressing method: A peak power suppressing apparatus capable of improving the reception error rate characteristic of an apparatus on a reception side. In this apparatus, a clipping part (102) clips an input signal, thereby suppressing the peak power of the signal. A subtracting circuit (104) extracts an in-band distortion component of the... Agent: Stevens, Davis, Miller & Mosher, LLP

20080031381 - Transmission circuit and communication device: Provided is a transmission circuit 1 which precisely compensates for an offset characteristic of an amplitude modulation section 15 and which operates with low distortion and high efficiency over a wide output power range. A signal generation section 11 outputs an amplitude signal and an angle-modulated signal. An amplitude amplifying... Agent: Wenderoth, Lind & Ponack L.L.P.

20080031382 - Low distortion radio frequency (rf) limiter: A limiter for minimizing an amount of phase change caused by input amplitude variation includes a variable gain amplifier configured to receive a signal having an amplitude component and a phase component and having a gain controlled by a compensation capacitance and a variable resistance, in which the compensation capacitance... Agent: Smith Frohwein Tempel Greenlee Blaha, LLC

20080031383 - Replica linearized power amplifier: A power amplifier includes a power amplifier core in which a transmit signal having an amplitude-modulated (AM) component and a phase-modulated (PM) component is passed and amplified, the power amplifier comprising a forward path, and an additional amplification device configured to generate an output that is proportional to an output... Agent: Smith Frohwein Tempel Greenlee Blaha, LLC

20080031384 - Transmission circuit and communication device: Provided is a transmission circuit 1 which is capable of precisely compensating for an offset characteristic of an amplitude modulation section 15, and operating with low distortion and high efficiency over a wide output electric power range. A signal generation section 11 outputs an amplitude signal and an angle modulation... Agent: Wenderoth, Lind & Ponack L.L.P.

20080031385 - Clock data recovery circuitry associated with programmable logic device circuitry: A programmable logic device (“PLD”) is augmented with programmable clock data recover (“CDR”) circuitry to allow the PLD to communicate via any of a large number of CDR signaling protocols. The CDR circuitry may be integrated with the PLD, or it may be wholly or partly on a separate integrated... Agent: Ropes & Gray LLP Patent Docketing 39/361

20080031386 - Method and device for robust signal detection in wireless communications: A method, algorithm, architecture, circuits, and/or systems for robust radar signal detection for wireless communications are disclosed. In one embodiment, a method of detecting a predefined signal pulse event in a wireless network device can include the steps of: (i) comparing a power of a received signal pulse to a... Agent: The Law Offices Of Andrew D. Fortney, Ph.d., P.C.

20080031387 - Apparatus and method for automatic gain control in a broadband wireless access communication system: An AGC apparatus and method in a BWA communication system are provided, in which a MAP interpreter detects a beamformed symbol period in an (n−1)th signal, a symbol power calculator measures an average signal level of a symbol in an nth signal, and a beamforming gain calculator calculates a beamforming... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.

20080031388 - Multiple signal receiving: In one aspect, the invention is a multichannel receiver. The multichannel receiver includes a first channel circuit of N channel circuits. The first channel circuit includes a band pass (BP) filter and a gain control (GC) feedback circuit configured to adjust a signal provided by the BP filter with respect... Agent: Raytheon Company C/o Daly, Crowley, Mofford & Durkee, LLP

20080031391 - Receiving apparatus for retransmission diversity: A receiving apparatus for retransmission diversity includes: a sum module generating a second signal by summing up a first signal and at least one retransmitted signal of the first signal, when a first packet determined by the first signal received from a transmitter is incorrect; and a controller requesting the... Agent: Sughrue Mion, PLLC

20080031390 - Antenna diversity receiver: An antenna diversity receiver includes a plurality of antennas, a plurality of demodulating devices prepared per path, to which reception signals received by the plurality of antennas and coming from a plurality of paths are inputted, a synthesizing unit synthesizing demodulated results of the reception signals with respect to the... Agent: Bingham Mccutchen LLP

20080031389 - Phase synthesizing diversity receiver: The receiver comprises: an adaptation synthesizing section ADF which receives modulation signals IFA and IFB outputted from receiving sections RXa and RXb, and performs an adaptation processing in an adaptation filter to generate a modulation signal Y(t) as a prediction signal; feature extraction units 30, 40 for feature-extracting envelopes of... Agent: Arent Fox LLP

20080031392 - Apparatus and method for synchronizing signal analyzer: Disclosed herein are an apparatus and method for synchronizing a signal analyzer. The apparatus includes an Analog-to-Digital Converter (ADC), a signal storage unit, a trigger signal generation unit, a signal acquisition control unit, a signal analysis unit, and a time error control unit. The ADC converts the input signal into... Agent: Rothwell, Figg, Ernst & Manbeck, P.C.

20080031393 - Signal processing device and signal processing method: The present invention relates to a signal processing device and a signal processing method that are capable of processing various types of signals. The signal processing device comprises a frequency detecting unit detecting a frequency of a data signal by checking synchronization between the data signal and a reference signal,... Agent: Katten Muchin Rosenman LLP