Pulse or digital communications inventions 07/08

20080181283 - Automatic gain control for a wideband signal: One embodiment of the present invention includes a method for controlling a gain of a wideband signal. The method comprises adding a virtual channel to the wideband signal, the wideband signal comprising at least one channel. The method also comprises monitoring an output power associated with the wideband signal that... Agent: Texas Instruments Incorporated

20080181284 - Hybrid zero-if receiver: An apparatus for processing a Bluetooth signal advantageously mixes down a received RF signal to an IF signal wherein one band-edge of the spectrum of the IF signal may be approximately 0 Hz. In one embodiment, the IF signal may be digitized, decimated and filtered before being processed into a... Agent: Bever Hoffman & Harms, LLP

20080181282 - Modular wireless communications platform: A modular wireless communications platform is provided. The modular wireless communications platform has a modular host unit and a modular remote unit in communication with the modular host unit. The modular host unit has a serial radio frequency communicator configured to convert serial digital data into RF sampled data and... Agent: Fogg & Powers LLC

20080181285 - Precoder and precoding method in a multi-antenna system: A precoder and a precoding method in a multiuser multi-antenna system are provided. The precoder includes a channel checker for determining a DownLink (DL) channel condition of terminals in a service coverage area, a pre-compensator for pre-compensating, for channel distortion, signals to be sent to the terminals when a nonlinear... Agent: JeffersonIPLaw, LLP

20080181286 - Hand-held wireless device with a pcie interface: A hand-held wireless device with the PCI Express interface has a body, a PCI Express connector formed on end of the body, a control module mounted in the body and connected to the PCI Express connector, and multiple operating buttons mounted on the body. The control module has a wireless... Agent: Hershkovitz & Associates, LLC

20080181287 - Rf transceiver device with rf bus: A radio frequency (RF) transceiver device includes a processing module, memory, a baseband processing module, an RF section, an RF bus, and an RF bus controller. The processing module and the memory include an RF bus transceiver. The baseband processing module is coupled to convert outbound data into an outbound... Agent: Garlick Harrison & Markison

20080181289 - Digital signal analysis with evaluation of selected signal bits: The invention refers to analyzing a digitally modulated test signal received from a device under test -DUT-, comprising providing a first sampled signal by assigning a first sequence of digital values as result of a level comparison of the test signal with a first threshold at first successive timing points,... Agent: Agilent Technologies Inc.

20080181288 - Method and system for communication channel characterization: In accordance with the present invention, a method of processing a signal is described that includes receiving a signal having an encoded digital packet, wherein the digital packet includes packet data and a packet frame, wherein the packet frame includes a common digital signal that is common to each one... Agent: Raytheon Company C/o Daly, Crowley, Mofford & Durkee, LLP

20080181290 - Low bias estimation of small signal-to-noise ratio: A user equipment includes an estimator. The estimator is configured to select a first estimate of a signal-to-noise (SNR) ratio, calculate a first amplitude and first noise variance, calculate a second amplitude and a second noise variance, calculate a second SNR, calculate a resolution value, adjust the first SNR, and... Agent: Volpe And Koenig, P.C. Dept. Icc

20080181291 - Method and apparatus for identifying co-channel interference: Methods and apparatuses identifying a co-channel interference signal in communications systems are disclosed. An exemplary method comprises generating an interference signal by subtracting a reconstructed desired signal from an at least partially demodulated composite signal, and generating synchronization statistics of interference signal using different scrambling codes. The interference signal is... Agent: The Directv Group, Inc. Patent Docket Administration

20080181292 - Apparatus for and method of controlling the operation of an equalizer: A method of controlling the operation of an equalizer (210, 216), wherein the equalizer is adapted to receive a transmitted signal (76, 78) comprising at least one predetermined sequence of symbols, includes the step of developing a set of samples from a received signal. At least one plurality of samples... Agent: Mccracken & Frank LLP

20080181293 - Method for coordinating triggering of analog-to-digital conversions relative to pulse width modulation cycle timing: A pulse width modulation (PWM) generator featuring very high speed and high resolution capability and the ability to generate standard complementary PWM, push-pull PWM, variable offset PWM, multiphase PWM, current limit PWM, current reset PWM, and independent time base PWM while further providing automatic triggering for an analog-to-digital conversion (ADC)... Agent: Baker Botts, LLP

20080181294 - Bandwidth selection for fm applications: A system and method to optimize the quality of a modulated signal. In one aspect, an AM demodulator is used in conjunction with proper bandwidth selection of an FM signal. For example, the AM demodulator can be used to generate an instantaneous absolute value of the FM signal. The average... Agent: Seed Intellectual Property Law Group PLLC

20080181295 - Method and apparatus for video processing: In one embodiment, the invention includes a method for compressing video data using redundant binary mathematics. Other embodiments are described and claimed.... Agent: Trop Pruner & Hu, PC

20080181297 - Picture coding apparatus, picture decoding apparatus and the methods: A weighting factor mode determination unit determines whether to code an interlaced picture in a field mode or a frame mode, based on a value of a flag “AFF” indicating whether or not to switch between the field mode and the frame mode on a block-by-block basis and notifies switches... Agent: Wenderoth, Lind & Ponack L.L.P.

20080181299 - Breakpoint determining for hybrid variable length coding using relationship to neighboring blocks: A method, and apparatus, and logic encoded in one or more computer-readable tangible medium to carry out a method. The method is to code an ordered sequence of quantized transform coefficients of a block of image data using a hybrid coding method that includes determining a breakpoint location in the... Agent: Dov Rosenfeld

20080181298 - Hybrid scalable coding: Systems, apparatuses and methods whereby coded bitstreams are delivered to downstream end-user devices having various performance capabilities. A head-end encoder/video store generates a primary coded bitstream and metadata for delivery to an intermediate re-encoding system. The re-encoding system recodes the primary coded bitstream to generate secondary coded bitstreams based on... Agent: Kenyon & Kenyon LLP

20080181300 - Information processing apparatus and method: An information processing apparatus includes: a rearranging unit for rearranging coefficient data divided for each frequency band in order of executing synthesis processing for synthesizing the coefficient data of multiple sub-bands divided into frequency bands to generate image data for each line block; a calculating unit for calculating a quantization... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080181301 - Pvr-support video decoding system: A system and method for video decoding, including decoding video data from an input Transport Stream (TS) bitstream, variable-length-decoding the decoded video data, and restoring pixel values of an original picture through an Inverse Quantization process, an Inverse Discrete Cosine Transform process, and an Motion Compensation process from the variable-length-decoded... Agent: Birch Stewart Kolasch & Birch

20080181302 - Methods and systems for rate-adaptive transmission of video: Embodiments of the present invention comprise methods and systems for adapting a video transmission rate.... Agent: Krieger Intellectual Property, Inc.

20080181303 - System and method for video compression: A system and method are provided for compressing video frames having a plurality of pixels. The video frames are viewable by an end user on a display. The method can include the operation of receiving a color palette from a key frame of video. Then a color value can be... Agent: Thorpe North & Western, LLP.

20080181305 - Apparatus and method of encoding video and apparatus and method of decoding encoded video: A method and apparatus for encoding a video and a method and apparatus for decoding the encoded video are provided. The video encoding apparatus includes: an encoding unit encoding a main image and an auxiliary image and generating encoded main image data and encoded auxiliary image data; and a bitstream... Agent: Staas & Halsey LLP

20080181304 - Moving image encoding device and moving image encoding method: Encoding and decoding are uniformly carried out for a plurality of chroma formats. Based on a control signal for providing a chroma format type of an input moving image signal, in the case of a chroma format of 4:2:0 or 4:2:2, a first intra prediction mode deciding unit and a... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080181307 - Image display apparatus for correcting motion compensation error and method thereof: An image display apparatus for correcting a motion compensation error and a method thereof are provided. The image display apparatus includes an image signal processing unit which detects a motion vector from an input image signal to determine a border region between a non-image display region and an image display... Agent: Sughrue Mion, PLLC

20080181309 - Method and apparatus for encoding video and method and apparatus for decoding video: A method of and apparatus for encoding and decoding an image are provided. According to the method and apparatus, a virtual motion vector is assigned to a block which is encoded in intra prediction mode, and when a motion vector of a block which is encoded in inter prediction mode... Agent: Sughrue Mion, PLLC

20080181306 - Method and apparatus for motion vector estimation using motion vectors of neighboring image blocks: A method and an apparatus for motion vector estimation using motion vectors of neighboring image blocks are provided. The method includes dividing a current image block into a plurality of sub-blocks; and estimating motion vectors of the sub-blocks using the motion vectors and pixel weights of the neighboring image blocks... Agent: Sughrue Mion, PLLC

20080181310 - Motion search method and apparatus for minimizing off-chip memory access: A motion search method and apparatus for minimizing an off-chip memory access to reduce cycles for predicting a motion vector. A sum of absolute differences (SAD) calculation processing is performed, while an off-chip memory is accessed using Direct Memory Access (DMA). A position of a current macro block is determined... Agent: Cha & Reiter, LLC

20080181308 - System and method for motion estimation and mode decision for low-complexity h.264 decoder: The present invention relates to systems and methods for motion estimation and mode decision for low-complexity H.264 standard decoders. The present invention includes a method for optimizing the selection of motion vectors and motion compensation block modules in a video encoder in order to decrease the complexity of the video... Agent: Baker Botts L.L.P.

20080181296 - Per multi-block partition breakpoint determining for hybrid variable length coding: A method, and apparatus, and logic encoded in one or more computer-readable tangible medium to carry out a method. The method is to code a plurality of ordered sequences of quantized transform coefficients of a corresponding plurality of blocks of image data using a hybrid coding method that includes determining... Agent: Dov Rosenfeld

20080181311 - Video system: A video system is provided including applying a transform to a picture for generating a transformed block of the picture; determining a type of the picture; selecting a coding mode with the transformed block based on the type of the picture; and applying the coding mode to the picture for... Agent: Law Offices Of Mikio Ishimaru

20080181312 - Television receiver apparatus and a frame-rate converting method for the same: For providing television receiver apparatus and a video displaying method for that, i.e., suppressing deterioration of picture quality when conducting a frame-rate conversion on a video signal while piling up an OSD picture thereon, within the television receiver apparatus, picture quality correction is made on an input video signal including... Agent: Townsend And Townsend And Crew, LLP

20080181314 - Image coding apparatus and image coding method: The object is to provide an image coding apparatus capable of converting a frame rate without causing an increase of computation and coding amounts. An image coding apparatus 100 includes a frame managing unit 102 which outputs, for inputted image data, frame data and a pseudo-frame generation control signal for... Agent: Wenderoth, Lind & Ponack L.L.P.

20080181313 - Ubiquitous audio reproducing and servicing method and apparatus: A ubiquitous audio reproducing and servicing method and apparatus for streaming or downloading a lossless audio source from a Content Provider (CP) using a lossy audio source card as an authentication key. The ubiquitous audio reproducing method includes determining whether a memory card storing lossy audio sources and their authentication... Agent: Stanzione & Kim, LLP

20080181315 - Two-wire serial handshaking communication interface and method thereof: A two-wire serial handshaking communication interface and a method thereof is provided for a transmission of a data bit representative between a first transmitting component and a second transmitting component, wherein the first transmitting component includes a first input/output unit and a second input/output unit and the second transmitting component... Agent: Volpe And Koenig, P.C.

20080181316 - Partitioned signal and power transfer across an isolation barrier: A method for transferring power and information across an isolation barrier comprises transferring power across a power transfer isolation barrier between a primary circuit and a secondary circuit while maintaining isolation between the primary and secondary circuits, and transferring data between the powered system and the isolated system across a... Agent: Koestner Bertani LLP

20080181325 - Apparatus and method for channel estimation in an orthogonal frequency division multiplexing system: An apparatus and method for estimating a channel in an Orthogonal Frequency Division Multiplexing (OFDM) system is provided. The apparatus and method includes estimating a channel corresponding to a pilot of a received signal, performing a first estimation on a data channel by performing time-domain linear interpolation on pilots of... Agent: JeffersonIPLaw, LLP

20080181317 - Apparatus and method for estimating timing offset of ofdm symbol, and method of recovering symbol timing of ofdm symbol: An apparatus for estimating a timing offset of each of orthogonal frequency division multiplexing (OFDM) symbols that are fast Fourier transform (FFT)-processed. A first correlator calculates correlation values and outputs a first correlation signal. A second correlator calculates correlation values and outputs a second correlation signal. A third correlator calculates... Agent: F. Chau & Associates, LLC

20080181319 - Method and apparatus for providing time-frequency diversity in ofdm wireless communication systems: A method for transmitting signals using orthogonal frequency division multiplexing (OFDM) symbols in a wireless communication system, includes: selecting a plurality of OFDM symbols as a symbol group in time dimension; and multiplying a scrambling pattern with the symbol group.... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080181318 - Method of controlling data transmission mode in an orthogonal frequency division multiplexing wireless relay system and apparatus using the method: A method of controlling data transmission mode in an orthogonal frequency division multiple access (OFDMA) wireless relay system and an apparatus using the method are provided. The method of controlling data transmission mode includes: dividing all frequency bands of an OFDM signal into a frequency band group including at least... Agent: Sughrue Mion, PLLC

20080181323 - Noise variance estimation: A method and system for estimating noise variance. A method for noise variance estimation comprises receiving a first multi-sample symbol and receiving a second multi-sample symbol. The first multi-sample symbol is subtracted from the second multi-sample symbol to produce a set of noise samples. The set of noise samples is... Agent: Texas Instruments Incorporated

20080181320 - Radio communication system and radio communication method: In step 5a, a mobile-station measures a reception level and an interference level with the other base-stations, for a base-station considered as a communication partner. In step 5b, the mobile-station transmits a measurement result obtained in step 5a as control information to the base-station considered as the communication partner. In... Agent: Frishauf, Holtz, Goodman & Chick, PC

20080181322 - Systems and methods for hybrid-mimo equalization: Embodiments provide systems and methods for a novel multiple-input multiple-output (MIMO) equalization technique that produces a channel matrix that contains partly real coefficients and partly complex coefficients, referred to herein as a hybrid-MIMO equalization. MIMO detectors can exploit the hybrid-MIMO equalization to reduce complexity. Some embodiments provide systems and methods... Agent: Texas Instruments Incorporated

20080181321 - Systems and methods for low-complexity mimo detection using leaf-node prediction via look-up tables: Systems and methods for providing multiple-input multiple-output (MIMO) detection, comprising a leaf node predictor for receiving a processed communications stream, computing at least one channel metric corresponding to the communications stream for a given channel realization, and generating at least one parameter corresponding to at least one predicted best leaf... Agent: Texas Instruments Incorporated

20080181324 - Systems and methods for scaling to equalize noise variance: In order to enable multiple input-multiple output (MIMO) equalization, including as an example minimum mean-squared error (MMSE) MIMO equalization, to be implemented using a conventional QR decomposition, it is beneficial to force the noise variance of each of the channel outputs to be equalized. Embodiments scale the channel outputs in... Agent: Texas Instruments Incorporated

20080181326 - Transmitter for communication systems employing an enhanced modulation scheme: A transmitter is configured to transmit a transmit signal modulated according to a first modulation scheme, the first modulation scheme being associated with a set of first constellation points. The transmitter transmits at least a part of the transmit signal based on a subset of the first constellation points, wherein... Agent: Eschweiler & Associates LLC

20080181327 - Apparatus and method for cyclic delay diversity in multiple-antenna wireless communication system: A cyclic delay diversity (CDD) technique in a multiple-antenna broadband wireless communication system is provided. An apparatus in the multiple-antenna broadband wireless communication system includes: a controller for selecting at least one sub-carrier to which CDD is applied; at least one shifter for shifting a phase of a signal mapped... Agent: Docket Clerk

20080181328 - Communication device with smart antenna using a quality-indication signal: Communication is performed for a first communication device having a set of antenna elements. A quality-indication signal is received from a second communication device (e.g., a basestation). A complex weighting is calculated based on the quality-indication signal. A pre-transmission signal is modified based on the complex weighting to produce a... Agent: Pearl Cohen Zedek Latzer, LLP

20080181329 - Data transmitting apparatus and data receiving apparatus: Provided are a data transmitting apparatus and a data receiving apparatus which use a Y-00 protocol and are capable of preventing an eavesdropper's decryption based on a transition pattern of a multi-level signal level. The data transmitting apparatus 101,103 of the present invention includes: a multi-level code generation section 111... Agent: Wenderoth, Lind & Ponack L.L.P.

20080181330 - Apparatus with communication capability, method for adjusting the same, and medium recording adjusting program: An apparatus with communication capability is connected to another apparatus through a communication path. The apparatus includes a transmitting unit that transmits specific data with a preemphasized component to the other apparatus, the preemphasized component being varied within a predetermined range by changing a setting of a preemphasis driver, and... Agent: Staas & Halsey LLP

20080181331 - Pulse amplitude modulated system with reduced intersymbol interference: A system and method for encoding and receiving data is provided. The data is encoded as a pulse amplitude modulated signal such that the amplitude signals do not transition from the highest signal level to the lowest signal level and do not transition from the lowest signal level to the... Agent: Schwegman, Lundberg, Woessner & Kluth, P.A.

20080181332 - Modulating a signal using a fractional phase modulator: A system operable to modulate a signal according to phase-shift keying (PSK) modulation includes one or more phase modulators that comprise one or more fractional phase modulators. A fractional phase modulator includes a splitter that splits a communication signal to yield a first communication signal with first amplitude and a... Agent: Baker Botts L.L.P.

20080181333 - Modified active-set approach for peak-to-average power ratio reduction via reservation tone: An active-set PAR reduction method has low computation cost and delay. Peak canceling, by adding up the original signal and the peak canceling signal, is done only after the final peak canceling signal that can reduce all peaks of the resultant signal below the desired peak level is generated with... Agent: Stmicroelectronics, Inc.

20080181334 - Receiver, wireless device and method for cancelling a dc offset component: A receiver includes a memory for storing DC offset amounts in accordance with a DC offset component remaining in a received signal; a first DC offset component-removing unit configured so as to generate a first DC offset amount from the DC offset amounts stored in the memory and to remove... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080181335 - Wireless communication apparatus: In a lattice-reduction-aided receiver based wireless communications system, outputs are determined on the basis of a received signal, the received signal being modulated onto a plurality of sub-carriers. The method by which this is achieved comprises obtaining an estimate of the channel response for a first of the sub-carriers, applying... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080181338 - Amplitude detection apparatus: This disclosure concerns an amplitude detector comprising: a maximum-minimum detector detecting a maximum and a minimum values of a digital signals; a first and a second lowpass filters respectively having a cutoff frequency lower than a frequency of the waveform signal; a cycle detector detecting a cycle of the waveform... Agent: Dla Piper US LLP

20080181336 - Power consumption reduction techniques for an rf receiver implementing a mixing dac architecture: A receiver (100) includes a mixing digital-to-analog converter (DAC) (120), a direct digital frequency synthesizer (DDFS) (116), and a clock circuit (114). The mixing DAC (120) includes a radio frequency (RF) transconductance section (124) and a switching section (128). The RF transconductance section (124) includes an input configured to receive... Agent: Larson Newman Abel Polansky & White, LLP

20080181337 - Spur and distortion management techniques for an rf receiver: A receiver (1800) includes a mixing digital-to-analog converter (DAC) (1807), a direct digital frequency synthesizer (DDFS) (1848), a first power detector (1826), and a first control circuit (1834). The mixing DAC (1807) receives a digital local oscillator (LO) signal and a radio frequency (RF) signal and provides an output signal... Agent: Larson Newman Abel Polansky & White, LLP

20080181339 - Maximum likelihood detection method and system: A maximum likelihood detection (MLD) method is disclosed. Received data is processed to obtain preliminary parameters. An initial radius r is determined. r2 is multiplied by a corresponding scaling factor according to a partial Euclidean distance (PED) constraint function to determine the upper limit values of PED for each layer.... Agent: Birch Stewart Kolasch & Birch

20080181341 - Receiver apparatus: A receiving apparatus includes a CE unit that estimates a propagation channel, a PG unit that reproduces a pilot signal included in the reception signal based on the estimated channel information, an EMG unit that generates, assuming that a pilot signal included in the reception signal is a null carrier,... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080181340 - Spur rejection techniques for an rf receiver: A receiver (100) includes a mixing digital-to-analog converter (DAC) (120), a direct digital frequency synthesizer (DDFS) (116), and a clock circuit (114). The mixing DAC (120) includes a radio frequency (RF) transconductance section (124) and a switching section. The RF transconductance section (124) includes an input configured to receive an... Agent: Larson Newman Abel Polansky & White, LLP

20080181342 - Apparatus and method for signal detection in multiple input multiple output wireless communication system: A Multiple Input Multiple Output (MIMO) wireless communication system is provided. A receiving end apparatus includes an estimator for estimating a channel between a plurality of Transmit (Tx) antennas of a transmitting end and a plurality of Receive (Rx) antennas of a receiving end; a filter for extracting a sum... Agent: The Farrell Law Firm, P.C.

20080181344 - Method and apparatus for providing carrier synchronization in digital broadcast and interactive systems: An approach is provided for supporting carrier synchronization in a digital broadcast and interactive system. A carrier synchronization module receives one or more signals representing a frame that includes one or more overhead fields (e.g., preamble and optional pilot blocks and one or multiple segments separated by pilot blocks). The... Agent: The Directv Group, Inc. Patent Docket Administration

20080181343 - Method and arrangement for regenerating a timing signal in digital data communication: The invention relates to a method and an arrangement for regenerating a timing signal in digital data communication where two network elements operate in a master/slave loop timing mode. In a solution according to the invention two different frequency difference indicators are formed. Values or changes of the values of... Agent: Young & Thompson

20080181345 - Frequency synchronization method and apparatus: A frequency synchronization method comprise a first step of detecting a frequency error which occurs when a high-frequency receiving signal is converted into a digital signal of a base-band, performing rounding or discarding processing and generating a local oscillation signal depending on the converted analog signals, a second step of... Agent: Hanify & King Professional Corporation

20080181346 - Acquisition apparatus and method: An acquisition apparatus includes: a first phase-calculating section that calculates a first correlation value by performing correlating operation of a reception signal and a reference signal and determines whether or not the first correlation value is equal to or greater than a first threshold; a threshold calculating section that calculates... Agent: Amin, Turocy & Calvin, LLP

20080181347 - Receiving apparatus: A receiving apparatus includes a voltage-controlled oscillator to generate a local signal, a synchronous unit to receive the local signal and a reference clock, to divide the local signal by an average dividing number obtained by switching a plurality of dividing numbers by time-division, to compare a phase of the... Agent: Mcginn Intellectual Property Law Group, PLLC

20080181348 - Apparatus for data recovery in a synchronous chip-to-chip system: An apparatus that reduces sampling errors for data communicated between devices uses phase information acquired from a timing reference signal such as a strobe signal to align a data-sampling signal for sampling a data signal that was sent along with the timing reference signal. The data-sampling signal may be provided... Agent: Silicon Edge Law Group, LLP

20080175305 - Interrogator: A hopping pattern setting section sets, as a frequency hopping pattern code, elements of a matrix in which all integers of “1” to “the number of frequencies to be used” appear only once and which is obtained by adding, as an offset, any one of integers of “0” to “(the... Agent: Harness, Dickey & Pierce, P.L.C

20080175306 - Transmission apparatus and transmission power control method: The transmission apparatus and transmission power controlling method are able to keep high speed feedback control and control transmission power accurately. Polar modulation transmitter (100) is provided with LPF (108) that performs waveform shaping of output power of PA (103) and ADC (109) that obtains output power data for each... Agent: Dickinson Wright Pllc

20080175307 - Frequency and q-factor tunable filters using frequency translatable impedance structures: A system includes an input node, a frequency translatable impedance (FTI) filter, and a radio frequency (RF) downconverter module. The input receives an input signal having first and second components. The FTI filter filters the second components. The RF downconverter module receives the first components and downconverts the first components.... Agent: Harness, Dickey & Pierce P.L.C

20080175309 - Method for channel tracking in an lms adaptive equalizer for 8vsb: A method and system for channel tracking in an adaptive equalizer for a digital data receiver. The method includes determining a first set of tap weights and a second set of tap weights of the equalizer, and determining a difference between the first and second sets of tap weights. The... Agent: Michael Best & Friedrich LLP

20080175308 - Method for determining the step size for an lms adaptive equalizer for 8vsb: A method and system for determining a step size of an adaptive equalizer for a digital data receiver. The data received by the receiver includes coded symbols and uncoded symbols. The method includes determining a first error estimate based on decoded symbols corresponding to the coded symbols, determining a second... Agent: Michael Best & Friedrich LLP

20080175311 - Oversampling transversal equalizer: An equalizer comprises: a calculation unit performing calculation of a tap coefficient for each symbol interval; an interpolation unit obtaining, by performing interpolation, a tap coefficient that has become necessary due to oversampling, including a tap coefficient of a symbol interval, by using a tap coefficient of the symbol interval... Agent: Arent Fox LLP

20080175310 - Receiver with equalizer and method of operation: A receiver with an equalizer and an equalizing method are disclosed. The method includes equalizing received serial data in the equalizer, detecting an error in equalized serial data output by the equalizer, and determining reset of the equalizer in relation to an error detection.... Agent: Volentine & Whitt Pllc

20080175312 - Method and system of compressing and decompressing data: The present invention relates to a data compression and decompression system and method for lossless compressing digital data. In one preferred embodiment, the method for handling a data stream having a number of data objects comprising a step of performing a compressing process on a data object based on a... Agent: Qin Zhang

20080175314 - Digital information recording/reproducing apparatus: An apparatus for receiving digital information including at least one of digital video information and digital audio information. The apparatus includes a receiver which receives the digital information that has digital video information bit-compressed by a first compression system, digital audio information bit-compressed by a second compression system, and error-detection... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080175313 - Methods of adaptive encoding and decoding video signals: A method of encoding video signals includes obtaining, averaging, offsetting, and replacing steps. In the obtaining step, a first value comprising a value of a video characteristic for a first portion of a first video signal and a second value comprising a value of the video characteristic for a second... Agent: Stephen B. Salai, Esq. Harter, Secrest & Emery LLP

20080175316 - Method and apparatus for encoding and decoding based on intra prediction: Provided are a method and apparatus for encoding and decoding based on intra prediction. In the method, information regarding a direction of intra prediction of a current block is encoded into one of a plurality of values, depending on whether the directions of intra prediction of neighboring blocks that have... Agent: Sughrue Mion, Pllc

20080175317 - Method and apparatus for encoding and decoding based on intra prediction: Methods and apparatuses for encoding and decoding based on intra prediction. The method of encoding an image based on intra prediction comprises dividing a current block into a plurality of sub blocks so that a plurality of unit blocks adjacent to each other are included in one of the sub... Agent: Sughrue Mion, Pllc

20080175318 - Methods and systems for image intra-prediction mode management: Embodiments of the present invention relate to methods and systems for ordering, communicating and applying pixel intra-prediction modes.... Agent: Krieger Intellectual Property, Inc.

20080175319 - Methods and systems for image intra-prediction mode management: Embodiments of the present invention relate to methods and systems for ordering, communicating and applying pixel intra-prediction modes.... Agent: Krieger Intellectual Property, Inc.

20080175320 - Methods and systems for image intra-prediction mode management: Embodiments of the present invention relate to methods and systems for ordering, communicating and applying pixel intra-prediction modes.... Agent: Krieger Intellectual Property, Inc.

20080175315 - Picture coding method and picture decoding method: The method includes the following units: a coefficient number detecting unit (109) for detecting the number of coefficients which has a value other than 0 for each block according to the generated coefficient, a coefficient number storing unit (110) for storing the number of coefficients detected, a coefficient number coding... Agent: Wenderoth, Lind & Ponack L.l.p.

20080175321 - Methods and systems for image intra-prediction mode management: Embodiments of the present invention relate to methods and systems for ordering, communicating and applying pixel intra-prediction modes.... Agent: Krieger Intellectual Property, Inc.

20080175322 - Method and apparatus for encoding and decoding image using adaptive interpolation filter: Provided are an image encoding method and apparatus for generating an interpolation filter using an adjacent area of a current block and a corresponding adjacent area of a reference picture and interpolating the reference picture using the generated interpolation filter, and an image decoding method and apparatus therefor. By interpolating... Agent: Sughrue Mion, Pllc

20080175323 - Eight pixels integer transform: A method of video coding/decoding that includes transforming to/from transform coefficients and residual pixel data in moving pictures by a set of vectors. Two alternative vector sets are disclosed both providing an optimal balance between good performance and simplified computation.... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080175324 - Systems and computer program products to facilitate efficient transmission and playback of digital information: Systems, methods, and computer products that facilitate transmission of information used for fast and responsive video and audio playback at non-standard, trick mode speeds. An embodiment of the present invention uses low resolution, compressed, and independent frames derived from the encoded digital video or audio information to facilitate the operation... Agent: Sughrue Mion Pllc Uspto Customer No With Ibm/svl

20080175325 - System and method for providing and using predetermined signaling of interoperability points for transcoded media streams: A system and method for identifying when an indicated or predetermined media transcoding process results in a media stream that is compliant with an indicated interoperability point. Various embodiments allow for the encoding, storage, transcoding, and transmission of a media stream, for which a transcoding process is identified and the... Agent: Foley & Lardner LLP

20080175326 - Moving picture data decoding device: To aim at outputting video signals causing a viewer to feel none of a sense of discomfort even if a partial or entire lack of the picture occurs in a device that decodes a datastream of a compressed moving picture of one-segment broadcasting etc and outputs the video signals. A... Agent: Staas & Halsey LLP

20080175327 - System for reducing cross-talk induced source synchronous bus clock jitter: A first clock signal of frequency F is used to couple data to an off-chip driver (OCD) using a master/slave flip flop (FF), wherein the master latch is clocked with the first clock signal and the slave latch is clocked with the complement of the first clock signal. A second... Agent: Ibm Corp (wsm) C/o Winstead Sechrest & Minick P.c.

20080175330 - Method and apparatus for estimating channel state information: An orthogonal frequency division multiplexing (OFDM) receiver includes a n average power calculation unit and an output unit. The average power calculation unit calculates and outputs a first average power of a null symbol section of each transmitted frame output from an OFDM transmitter and calculates and outputs second average... Agent: F. Chau & Associates, Llc

20080175329 - Method and related apparatus for improving mimo procedure in a wireless communications system: In order to avoid malfunction of lower layers of a user equipment, known as UE, in a wireless communications system, the present invention provides a method of improving a multi-input multi-output, known as MIMO, procedure. The method includes the following steps. A MIMO operation is activated, and the MIMO operation... Agent: Birch, Stewart, Kolasch & Birch, LLP

20080175328 - Power adaptive channel estimation for a multi-path receiving: A multi-path receiving system is provided. The multi-path receiving system includes a multi-path analyzer, a channel estimator and an equalizer. The multi-path analyzer analyzes a channel impulse response (CIR) of the multi-path channel from the received stream. The channel estimator calculates a channel estimation result from the received stream. The... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080175331 - Forward error correction coding for am 9khz and 10khz in-band on-channel digital audio broadcasting systems: A method of broadcasting an AM compatible digital audio broadcasting signal includes: producing an analog modulated carrier signal centrally positioned in a radio channel, wherein the analog modulated carrier signal is modulated by an analog signal, producing a plurality of digitally modulated subcarrier signals in the radio channel, wherein the... Agent: Pietragallo Gordon Alfano Bosick & Raspanti LLP

20080175332 - Wireless communications apparatus: A wireless MIMO communications network establishes channel estimation by means of a channel estimation sequence utilising band hopping in a conventional manner from a first antenna. This can then be detected by legacy SISO devices. A further channel estimation sequence is concurrently transmitted from one or more further antennas, the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080175333 - Method and system for digital to analog conversion for power amplifier driver amplitude modulation: Aspects of a method and system for digital to analog conversion for power amplifier driver amplitude modulation are presented. Various aspects of the system may include circuitry that enables oversampling, within a single integrated circuit device, of each of a plurality of samples in a digital baseband signal. The circuitry... Agent: Mcandrews Held & Malloy, Ltd

20080175334 - Method and related apparatus for improving mimo procedure in a wireless communications system: In order to save radio resources, the present invention provides a method for improving a multi-input multi-output, known as MIMO, procedure for a network of a wireless communications system. The method includes the following steps. Only two parameter values are used in a MIMO operation information element, also called IE,... Agent: Birch, Stewart, Kolasch & Birch, LLP

20080175335 - Transmission circuit comprising multistage amplifier, and communication device: Provided is a transmission circuit which is capable of compensating for an offset voltage and a sensitivity characteristic of a PA, and operating with low distortion and high efficiency. A regulator 18 supplies, to a PA 201, a voltage which is controlled in accordance with an amplitude signal to which... Agent: Wenderoth, Lind & Ponack L.l.p.

20080175336 - Communication system, transmitter, communication method, and transmitter detection method: Disclosed is a communication system, having: a transmitter including: a first frequency converter converting a frequency of a provided signal to a first frequency band to generate a first signal and converting the frequency of the provided signal to a second frequency band to generate a second signal, the second... Agent: Nixon & Vanderhye, Pc

20080175337 - Packet frame synchronization for mimo system with cyclic shift spatial streams: A frame synchronization method is disclosed. The method comprises correlating a stream with a pattern to generate a correlated result c(t). A first peak and a second peak are selected from the correlated result c(t), wherein the first peak is the peak with highest amplitude, and the second peak is... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080175338 - Apparatus and method for detecting null symbols: An apparatus for detecting a null symbol of an input signal includes: a first circuit for processing the input signal to obtain a first output signal, the first output signal being used to track the influence of a channel phenomenon; a second circuit for processing the input signal to obtain... Agent: Schwegman, Lundberg & Woessner, P.a.

20080175339 - Method for the flexible demodulation of estimated complex symbols: wherein bI,q is the qth coded bit of an in-phase part of a transmitted signal, β is an asymptotic Signal-to-Interference-plus-Noise Ratio, {tilde over (y)}(k) is a standardized symbol associated with y(k), λ is a reference symbol of QAM constellation associated with a M-QAM modulation, S(1)I,q and S(0)I,q are complex plane... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080175340 - Wireless communication device and method for reducing in-band interference in a gps receiver: Embodiments of a wireless communication device and a method for reducing in-band interference in a GPS receiver are generally described herein. Other embodiments may be described and claimed. In some embodiments, an adaptive filter may be used to measure in-band interference from in-band signals generated from coupled signals of a... Agent: Schwegman, Lundberg & Woessner / Infineon

20080175342 - Clock generating apparatus and clock generating method: A clock generating apparatus has an integral ratio divider for, according to frequency-dividing parameters for generating a second clock signal including a second frequency by using a first clock signal including a first frequency, outputting the second clock signal, and a frequency-dividing parameter generating portion for comparing program clock reference... Agent: Amin, Turocy & Calvin, LLP

20080175341 - Data transmission and reception module, and method of adjusting reception threshold value thereof: Disclosed is a method of adjusting a reception threshold value in data reception. The method comprises: generating a transmission signal on the basis of a clock regenerated from a reception signal, determining a worst phase at which a bit error rate becomes maximum by changing a phase of the transmission... Agent: Staas & Halsey LLP

20080175343 - Phase adjusting function evaluating method, transmission margin measuring method, information processing apparatus, program and computer readable information recording medium: A phase amount added to a clock signal or a plurality of data signals for adjusting a phase relationship therebetween in a reception apparatus is changed, and, a result of the phase adjusting operation is stored when the phase amount added to the clock signal or the plurality of data... Agent: Staas & Halsey LLP

20080175344 - Low jitter communication system: The communication system having a transmitter and a receiver, wherein the transmitter and the receiver are coupled by a clock channel and a data channel, wherein the clock channel is shorter than the data channel and wherein the receiver comprises a delay circuit for extracting a jitter signal from a... Agent: Anne Vachon Dougherty

20080170601 - Oem radio transceiver and method thereof: Embodiments of the present invention generally relate to a wireless control system and method thereof. More specifically, embodiments of the present invention relate to wireless radio transceiver control devices for use in entertainment technology applications, and methods of controlling entertainment fixtures utilizing same. In one embodiment, a radio transceiver system... Agent: Maldjian & Fallon LLC

20080170602 - Method and apparatus for complexity reduction in detection of delay and doppler shifted signature sequences: A signature sequence is employed in a wireless transmission over a channel and is detected by a receiving station. The signature sequence is selected from a subset of sequences chosen from a set of sequences formed by delay-Doppler shifts of a base sequence. Use of the subset of sequences simplifies... Agent: Nixon & Vanderhye, PC

20080170604 - Interface device and image forming apparatus: An interface device includes a parallel-to-serial converting unit, a driver, a receiver, and a serial-to-parallel converting unit. The parallel-to-serial converting unit converts parallel signals into a single-ended signal. The driver converts the single-ended signal from the parallel-to-serial converting unit into a differential signal and transmits the differential signal to an... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080170603 - Method and apparatus for communicating by use of relaying system in a cognitive radio technique: A communication method and apparatus of a cognitive radio (CR) environment using a relaying system while not interfering with a communication system having a priority right to use a frequency band, the communication method including: listening to fundamental channel (FCH) information and/or downlink/uplink (DL/UL) map information of a frame transmitted... Agent: Stein, Mcewen & Bui, LLP

20080170605 - Communication system, device and data transmission method: A communication system comprises a first modem part arranged at a first location and a second modem part arranged at a second location that is remote from the first location. The first modem part and the second modem part in combination perform functionalities of a modem.... Agent: Maginot, Moore & Beck Chase Tower

20080170606 - Method and apparatus for providing a digital automatic gain control (agc): A method and apparatus for providing a digital automatic gain control (AGC) for a radio-frequency (RF) receiver. The receiver comprises a logarithmic analog-to-digital converter for sampling the analog RF signals, a FIR filter for filtering the digitized signals, a resampler for resampling the digitized signals, and an automatic gain control... Agent: Mcandrews Held & Malloy, Ltd

20080170607 - Transceiver with fault tolerant driver: A fault tolerant driver circuit includes a data output driver that receives an enable input and that includes a transistor formed on an isolation well. A well bias circuit provides a first well bias to the isolation well. The well bias circuit includes voltage-controlled impedances that are controlled by a... Agent: Lsi Corporation David Smith

20080170608 - Novel signature sequences and methods for time-frequency selective channel: A signature sequence employed in a wireless transmission over a channel is detected and utilized. The signature sequence is selected from a set of sequences formed by delay-Doppler shifts of a base sequence. Preferably but not exclusively, the set of sequences is formed by circular delay-Doppler shifts of the base... Agent: Nixon & Vanderhye, PC

20080170609 - Method and apparatus for dsl line card power management: A XDSL line card including an allocator for allocating power to the multi-tone modulated communications on each of the subscriber lines, and for selecting control parameters sufficient to effect communications on each of the subscriber lines at a power level proximate to an allocated power level therefore. The line card... Agent: Ip Creators

20080170610 - High speed serial test circuits: A high speed serial testing circuit includes an input port that receives a serial signal; a means for altering the temporal characteristics of the serial signal; a means for altering the amplitude of the serial signal; a high speed analog-to-digital converter configured to receive the serial signal and output digital... Agent: Steven L. Nichols Rader, Fishman & Graver PLLC

20080170611 - Configurable functional multi-processing architecture for video processing: A configurable functional multi-processing architecture for video processing. The architecture may be utilized as integrated circuit devices for video compression based on multi-processing at a functional level. The architecture may also provide a function based multi-processing system for video compression and decompression and systems and methods for development of integrated... Agent: Andrews Kurth LLP Intellectual Property Department

20080170613 - Breakpoint determining for hybrid variable length coding and encoding the determined breakpoint: A method, and apparatus, and logic encoded in one or more computer-readable tangible medium to carry out a method of determining a breakpoint position in an ordered sequence of quantized transform coefficients of a block of image data for a hybrid variable length coding the ordered sequence. The breakpoint location... Agent: Dov Rosenfeld

20080170612 - Method and apparatus for geometric transformation in video reproduction: A method of geometric transformation in video reproduction and an apparatus for video reproduction includes entropy decoding, re-ordering, inverse quantization, inverse transform, inter/intra-reconstruction, compensating the reconstructed frames with the matrix series obtained after the step of inverse transform, and geometrically transforming the matrix series after the re-ordering step but before... Agent: Freescale Semiconductor, Inc. Law Department

20080170614 - Dynamic packet size control for mpeg-4 data partition mode: A dynamic AC prediction technique is implemented in a data partition mode which automatically disables AC prediction for encoding the current macroblock in the next packet when packet overflow occurs. Otherwise, when there is no overflow, AC prediction remains enabled to maintain compression efficiency. More particularly, in the preferred embodiment,... Agent: Nvidia C/o Murabito, Hao & Barnes LLP

20080170615 - Moving image decoding device and moving image decoding method: Encoding and decoding are uniformly carried out for a plurality of chroma formats. Based on a control signal for providing a chroma format type of an input moving image signal, in the case of a chroma format of 4:2:0 or 4:2:2, a first intra prediction mode deciding unit and a... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080170617 - Apparatus for and method of estimating motion vector: An apparatus for and method of estimating a motion vector for a video image block are provided. The apparatus includes an error calculation unit calculating a motion estimation error for a predetermined prediction motion vector of the image block, an information extraction unit extracting geometric information regarding the image block,... Agent: Sughrue Mion, PLLC

20080170616 - Method and apparatus for determining search range for adaptive motion vector for use in video encoder: The video encoder in accordance with the present invention divides input image signal into macro blocks, estimates motion vectors of each macro block and finally encodes the input image signal. The encoder determines the number of macro blocks adjacent to a current macro block. If the number of adjacent macro... Agent: Lahive & Cockfield, LLP

20080170618 - Method and apparatus for encoding and decoding multi-view images: Provided are a method and apparatus for encoding and decoding multi-view images. The multi-view image encoding method includes predicting a motion vector of a current block, based on information indicating a disparity between a current picture to which the current block belongs and a different picture having a view-point which... Agent: Sughrue Mion, PLLC

20080170619 - System and method for encoding scrolling raster images: A scrolling encoder encodes scrolling elements that are to be scrolled around all or a subset of the frames of a video stream or file with their movement in time and space controlled by a path to produce a video stream or file, without searching previous or subsequent frames of... Agent: Bromberg & Sunstein LLP

20080170621 - Device, system and method for encoding employing redundancy and switching capabilities: Device, system and method for encoding employing redundancy and switching are provided. For example, an encoder to convert analog data received from one or more video cameras into digital data for recording and possibly for live-monitoring is provided. The encoder may include an analog-to-digital converter and a redundancy unit capable... Agent: Pearl Cohen Zedek Latzer, LLP

20080170622 - Interactive encoded content system including object models for viewing on a remote device: A system for creating composite encoded video from two or more encoded video sources in the encoded domain. In response to user input, a markup language-based graphical layout is retrieved. The graphical layout includes frame locations within a composite frame for at least a first encoded source and a second... Agent: Bromberg & Sunstein LLP

20080170620 - Video encoding system: A video encoding system is provided including analyzing a picture; providing transforms; selecting a transform from the transforms by comparing a luminance characteristic of the picture with a human visual system texture criterion of the picture; and applying the transform for encoding and displaying the picture.... Agent: Law Offices Of Mikio Ishimaru

20080170624 - Image encoding device and image encoding method: There are provided an encoding device, a decoding device, an encoding method, and a decoding method that enhance optimality in a case of encoding moving image signals having no sample ratio distinction between color components such as a 4:4:4 format. In a case of conducting compression encoding by inputting digital... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080170623 - System and method for designing of dictionaries for sparse representation: A signal processing system adapted for sparse representation of signals is provided, comprising: (i) one or more training signals; (ii) a dictionary containing signal-atoms; (iii) a representation of each training signal using a linear combination of said dictionary's signal-atoms; (iv) means for updating the representation of the training signal; (v)... Agent: Browdy And Neimark, P.l.l.c. 624 Ninth Street, Nw

20080170625 - Per block breakpoint determining for hybrid variable length coding: A method, and apparatus, and logic encoded in one or more computer-readable tangible medium to carry out a method. The method is to code an ordered sequence of quantized transform coefficients of a block of image data using a hybrid coding method that includes determining a breakpoint location in the... Agent: Dov Rosenfeld

20080170627 - Image decoding device and image decoding method: There are provided an encoding device, a decoding device, an encoding method, and a decoding method that enhance optimality in a case of encoding moving image signals having no sample ratio distinction between color components such as a 4:4:4 format. In a case of conducting compression encoding by inputting digital... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080170626 - Method of digital video reference frame compression: The digital video referencing frame image is compressed block by block by applying lossless compression algorithm to pixel components with full length, or 1 bit, 2 bits, 3 bits or 4 bits LSB bits truncation. If a sub-block has high complexity which results in more than 3 bits error for... Agent: Chih-ta Star Sung

20080170628 - Video decoding method and apparatus having image scale-down function: Provided are a video decoding method and apparatus having an image scale-down function that is adaptive to motion. The video decoding method includes decoding a compressed image using a decoding algorithm, performing anti-aliasing filtering on an intra block and an inter block of the decoded image, down-sampling the anti-aliasing filtered... Agent: Sughrue Mion, PLLC

20080170629 - Method and apparatus for deblocking-filtering video data: Provided are a method and an apparatus for filtering video data. The method includes determining whether a difference value of illumination change (DVIC) of a current image processing unit containing a current block is different from a DVIC of an image processing unit that is adjacent to the current image... Agent: Sughrue Mion, PLLC

20080170630 - System and a method for controlling one or more signal sequences characteristics: The present invention provides controllers, systems and methods that apply techniques for determining signal sequence characteristics that propagate through a sequence of buffers. One of the buffers represents buffering characteristics of a network through which the signal sequence propagates. The signal sequence may include packets of a media stream and... Agent: Naomi Assia Law Offices C/o LandonIPInc.

20080170631 - System and method for notched spectrum modulation of radio frequency carrier waves: Pulse modulation is used in many forms and generally consists of a pulse of radio energy, that can be as simple as On-Off Keying (OOK) to more complex systems like Pulse Position Modulation (PPM) and even more advanced systems. In this application a system and method of adding complexity to... Agent: Dennis L. Cook, Esq. The Law Offices Of Dennis L Cook PLLC

20080170632 - Apparatus and method for generating ranging pseudo noise code: Disclosed is an apparatus for generating a ranging pseudo noise (PN) code used in a base station of a portable internet system of an orthogonal frequency division multiplexing access scheme, wherein a ranging pseudo noise mask value is generated using a cell ID number, and then the generated ranging pseudo... Agent: The Farrell Law Firm, P.C.

20080170633 - Base station apparatus, communication terminal apparatus, communication system, and communication method: A base station apparatus, communication terminal apparatus, communication system, and communication method are provided that enable the data part transmission amount to be increased, that are resistant to frequency selective fading, and that enable a BS with low transmission loss to be selected. An OFDM transmitting apparatus 100 sets a... Agent: Greenblum & Bernstein, P.L.C

20080170634 - Method and apparatus for transmitting/receiving ack/nack in mobile communication system: Disclosed is a method and an apparatus for multiplexing and transmitting/receiving an ACK/NACK resulting from use of a HARQ scheme in an OFDMA system. Frequency and code multiplexing methods are combined with regard to the ACK/NACK to reduce signaling overhead. Frequency multiplexing is conducted by using the MCS level adopted... Agent: The Farrell Law Firm, P.C.

20080170635 - Ofdm communication system and ofdm receiver: An OFDM communication system is provided that can implement more accurate signal transmission. The guard interval in the symbol section is formed by copying a predetermined number of symbols at the end portion of the symbol section and adding them to the forefront portion of the symbol portion. In the... Agent: Quarles & Brady LLP

20080170636 - Apparatus and method for reducing peak-to-average power ratio in a wireless communication system: An apparatus and method for reducing PAPR in a wireless communication system are provided, in which an encoder encodes a transmission signal in a predetermined coding scheme, a modulator modulates the coded transmission signal by mapping each symbol of the coded transmission signal to one HEX constellation point selected from... Agent: JeffersonIPLaw, LLP

20080170637 - Wireless communication unit, linearised transmitter circuit and method of linearising therein: A wireless communication unit includes a frequency generation circuit, and a linearised transmitter operably coupled to the frequency generation circuit and having a forward path for routing a signal to be transmitted; and a feedback path, operably coupled to a power amplifier and the forward path for feeding back a... Agent: Motorola, Inc.

20080170638 - Wireless communications system with cycling of unique cell bit sequences in station communications: A wireless communication system (10). The system comprises transmitter circuitry (BST1) comprising circuitry for transmitting a plurality of frames to a receiver in a first cell (Cell 1). Each of the plurality of frames comprises a bit group (22), and the bit group uniquely distinguishes the first cell from a... Agent: Texas Instruments Incorporated

20080170639 - Communicating a signal according to ask modulation and psk modulation: A transmitter modulator that is operable to modulate signals according to multiple modulation formats includes a first modulator, a second modulator, and a polarization beam combiner. The first modulator encodes a first signal according to a first modulation format. The second modulator encodes a second signal according to a second... Agent: Baker Botts L.L.P.

20080170640 - Methods and apparatus for hierarchical modulation using radial constellation: There is provided a method for hierarchical modulation relating to a first signal, a second signal, and an original constellation having a plurality of symbols in a non-uniform 8 Phase-Shift-Keying (PSK) configuration. Quadrature-Phase-Shift-Keying (QPSK) modulation is used for the first signal and Binary-Phase-Shift-Keying (BPSK) modulation is used for the second... Agent: Joseph S.tripoli Patent Operations

20080170641 - Method, apparatus and system for high-speed transmission on fiber optic channel: Multi-carrier modulation fiber optic systems constructed using a series of electrical carriers, modulating the data on the electrical carriers and combining the carriers to form a wideband signal. The wideband signal can then be intensity modulated on a laser and coupled to a fiber optic channel. A receiver may then... Agent: Mcandrews Held & Malloy, Ltd

20080170642 - Wireless voice communication circuit: A wireless voice communication circuit includes an AD converter generating a first digital variable density signal from voice signal, and a first speed change circuit storing the first signal temporally in a first buffer and reading out it at a burst, a sending frame processing circuit generating a sending frame... Agent: Junichi Mimura Oki America Inc.

20080170643 - Method and apparatus for serial communication using clock-embedded signals: Apparatus for serial communication using embedded clock signals includes a data divider for dividing a data stream into odd-numbered and even-numbered data streams; a clock-embedded signal generator for generating odd-numbered and even-numbered embedded clock signals by pulse amplitude modulating the odd-numbered and even-numbered data streams and, when an external clock... Agent: Macpherson Kwok Chen & Heid LLP

20080170645 - Methods and systems for acquiring signals using coherent match filtering: Embodiments include methods and apparatus for verifying the detection of a correlation peak, which may represent an acquisition of a received acquisition code symbol sequence. The method includes determining a series of coherently-aligned peaks from a series of correlation peaks. Determining the plurality of coherently-aligned peaks includes correcting a frequency... Agent: Ingrassia Fisher & Lorenz, P.C.

20080170644 - Signal acquisition methods and apparatus in wireless communication systems: In an embodiment, a receiver includes an antenna configured to receive a communication frame. The communication frame may include an acquisition code symbol sequence, which in turn may include a plurality of acquisition code symbols. In an embodiment, an acquisition code symbol includes a subcode sequence having a plurality of... Agent: Ingrassia Fisher & Lorenz, P.C.

20080170646 - Automatic gain control using multiple equalized estimates and dynamic hysteresis: At least one adjustable gain analog amplifier (120, 124 and 128) in an analog line-up (102) amplifies by a gain an analog signal at an input of the analog line-up (102). The at least one adjustable gain analog amplifier (120, 124 and 128) is operable at one or more gains.... Agent: Fleit, Kain, Gibbons, Gutman, Bongini & Bianco P.l

20080170647 - Device for noise reduction: Device for reducing noise in a radio receiver, which radio receiver comprises a transformer (30) having a reference voltage input (20), a radio signal input at a first transformer side, and a radio signal output at a second transformer side, an A/D converter (40) being connected to said second transformer... Agent: Albihns Stockholm Ab

20080170648 - Method, wireless device and wireless communication system for realizing information transfer between wireless devices: A method, wireless device and wireless communication system for implementing information transfer between wireless devices includes a wireless device of the sending party that carries information with a small amount of data (such as address information in an energy keying pulse (energy pulse) sequence) and sends the information to a... Agent: Darby & Darby P.C.

20080170649 - Programmable synchronizer/terminator method and apparatus: A digital signal synchronizer integrated circuit includes an input port which receives digital signals, programmable delay modules which synchronize the digital signals, and an output port which outputs the synchronized digital signals. A method of synchronizing a plurality of digital signals includes arranging synchronizer chips in a cascade and interconnecting... Agent: Steven L. Nichols Rader, Fishman & Graver PLLC

20080170650 - Fast time-scale modification of digital signals using a directed search technique: The time-scale of a digital signal is efficiently modified. A system suitable for embedded or stand-alone processing includes a module that can transform the time-scale of the signal according to a user's preference. An improved method for time-scale modification is based on envelope-matching but introduces a new function that is... Agent: Glenn Patent Group

20080170651 - Correction of mismatches between two i and q channels: A method for correcting mismatches between a digital signal in phase and a digital signal in quadrature originating from a signal broadcast by terrestrial channel, comprising a phase correction method. A set of first error values is measured during a first period. A current value of a second error is... Agent: Seed Intellectual Property Law Group PLLC

20080165829 - Automatic power-off of bluetooth device from linked device: Methods and systems for powering-off a Bluetooth device from a linked device are provided. A device can transmit a Bluetooth signal to a linked device to instruct the linked device to power-off. In this manner, the user need only turn off one device manually which results in all linked devices... Agent: Ropes & Gray LLP

20080165831 - Enhanced 1-hop dynamic frequency hopping communities: A Dynamic Frequency Hopping Community (DFH Community) is formed from a plurality of Wireless Regional Area Network (WRAN) cells wherein each of the plurality of WRAN cells within the DFH Community is a one-hop neighbor of the leader cell. The leader cell sets and distributes a hopping pattern for use... Agent: Stmicroelectronics, Inc.

20080165830 - Frequency-hopping carrier generator: The present invention discloses a frequency-hopping carrier generator, which comprises a current source, a ramp generator and a switch power amplifier. The current source generates a first current; the first current is output to the ramp generator. The output of the ramp generator is coupled to a capacitor to generate... Agent: Sinorica, LLC

20080165832 - Radio communication apparatus and interference avoiding method: Moreover, the electric field strength of a carrier frequency in a spare carrier list is measured by the intermittent receiving operation and an interference counter of a spare carrier is increased or decreased corresponding to a frequency at which the electric field strength exceeds a predetermined threshold, and a carrier... Agent: Dickinson Wright PLLC

20080165833 - Method and apparatus for channel estimation to electro-magnetic wave multi path between sender and receiver by using chirp signal: Disclosed is a method and an apparatus for channel estimation regarding electromagnetic wave multi-path characteristics between a sender and a receiver by using a chirp signal. The method includes the steps of (a) multiplying a received composite signal by a narrowband chirp-shift-keying signal or narrowband multiple center-frequency-chirp signal generated by... Agent: Lahive & Cockfield, LLP

20080165834 - Method and receiving unit for the detection of data symbols: A method and device is provided for the detection of data symbols contained in a received radio signal, whereby each data symbol is allocated transmit-side a symbol value-specific PN sequence of successive PN chips in the chip clock and the PN sequences allocated to the data symbols are offset QPSK... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20080165835 - Communication management system: A communication management system is consisted of a plurality of apparatuses connected to a network. Each apparatus comprises: a transmitter that transmits first setting information representing all setting status of own apparatus to the other apparatuses connected to the network; a receiver that receives second setting information representing all setting... Agent: Morrison & Foerster, LLP

20080165836 - Method and system for controlling and regulating services and resources in high-performance downlink channels: Aspects of a method and system for controlling and regulating services and resources in high-performance downlink channels may include receiving, at a second communication device, from a first communication device, one or more process data packets. For one or more feedback classes, at least one feedback message may be generated... Agent: Mcandrews Held & Malloy, Ltd

20080165838 - Method for impulse noise monitoring, related network terminal, network node and network manager: In a network for digital data packet transmission, reception quality of received data packets is sensed (111) by a remote terminal (101). Thereupon, a bit string indicative for the sensed reception quality is generated (112). This bit string or a compressed version of this bit string is transferred (114) in... Agent: Sughrue Mion, PLLC

20080165837 - Test circuit for serial link receiver: A test circuit for a serial link receiver includes a first current source coupled to a first input of the serial link receiver, and a second current source coupled to a second input of the serial link receiver. The first current source is symmetrically matched to the second current source.... Agent: Law Offices Of Michael Dryja

20080165839 - Method and system for dynamic adaptation and communicating differences in frequency - time dependent systems: Aspects of a method and system for dynamic adaptation and communicating differences in frequency-time dependent systems may include generating a time difference weighting factor and a frequency difference weighting factor, based on at least channel estimates. A time-frequency difference may be computed by forming a weighted sum comprising a time... Agent: Mcandrews Held & Malloy, Ltd

20080165840 - Modulation and coding adjustment based on slant range characteristics for satellite downlinks: A satellite communications system adjusts a modulation and coding format for a downlink based on the slant range distance from the satellite to the receiving ground terminal. Modulation and coding formats are each associated with different sets of slant range distances. An estimated slant range from a satellite to a... Agent: Townsend And Townsend And Crew LLP Viasat, Inc (client #017018)

20080165841 - System and method for recovering data received over a communication channel: According to a first aspect, there is provided a circuit for recovering data received over a communication channel. The circuit includes an adaptive equalizer operable to remove ISI (intersymbol interference) from a received signal and a timing recovery circuit operable to sample recovered data. The timing recovery circuit includes a... Agent: Smart & Biggar P.o. Box 2999, Station D

20080165843 - Architecture for image compression in a video hardware: A method for compressing an image in a sequence of pseudo-video frames of a lower resolution than the image, comprising providing a video encoder fit for at least one of a spatial or temporal compression, providing an image, dividing the image into a plurality of partitions and encoding the partitions... Agent: Martin D. Moynihan Prtsi, Inc.

20080165842 - Presentation system and method: A presentation system and method is disclosed, and the method includes the steps of: creating at least one buffer area in a first presentation device for at least one application; relocating the presentation-related data of a running application to the buffer area; and intercepting the presentation-related data from the buffer... Agent: Patterson, Thuente, Skaar & Christensen, P.A.

20080165844 - Cavlc enhancements for svc cgs enhancement layer coding: Context-adaptive variable length coding (CAVLC) for scalable video coding (SVC) coarse granular scalability (CGS) enhancement layer coding that utilizes the number of coefficients larger than one (NLrg1) as a syntax element. The coding of coeff_token is based on TotalCoeff and NLrg1 values. Levels are adaptively encoded based on NLrg1 syntax... Agent: Qualcomm Incorporated

20080165845 - Method of selecting quantizer values in video compression systems: A method of obtaining a quantisation value for macroblocks of a picture for video compression includes estimating 11, for a plurality of quantisation values, a size of the picture in terms of a sum of all quantised coded coefficients. A linear relationship between a size of a macroblock and Activity... Agent: Seyfarth Shaw LLP

20080165846 - Method for generating reduced image of original image comprising adaptively encoded macroblocks, and image apparatus thereof: A method for generating a reduced image of an original image in which macroblocks are adaptively encoded, and an image apparatus thereof are provided. The method including extracting an average of compression blocks of current super macroblocks contained in a compression image, the compression image being encoded by intra prediction;... Agent: Sughrue Mion, PLLC

20080165847 - Mp4 demultiplexer and method of operating the same: Provided are an MP4 demultiplexer and a method of operating the same, enabling an MP4 file to be played in a fast-play mode input by a user, wherein the MP4 demultiplexer extracts all intra-frames (I-frames) among video frames in a sample track of an MP4 file, and the MP4 demultiplexer... Agent: Birch Stewart Kolasch & Birch

20080165848 - Adaptive upsampling for scalable video coding: This disclosure describes techniques for coding information in a scalable video coding (SVC) scheme that supports spatial scalability. In one example, a method for coding video data with spatial scalability comprises upsampling base layer residual video data to a spatial resolution of enhancement layer residual video data, and coding the... Agent: Qualcomm Incorporated

20080165850 - Extended inter-layer coding for spatial scability: This disclosure describes techniques for coding information in a scalable video coding (SVC) scheme that supports spatial scalability. In one example, a method of coding information in a SVC scheme comprises coding first video blocks defined in a base layer of the SVC scheme, and coding second video blocks defined... Agent: Qualcomm Incorporated

20080165849 - Image encoder and image decoder, image encoding method and image decoding method, image encoding program and image decoding program, and computer readable recording medium recorded with image encoding program and computer readable recording medium recorde: An image encoder including: a predicted-image generating unit that generates a predicted image in accordance with a plurality of prediction modes indicating predicted-image generating methods; a prediction-mode judging unit that evaluates prediction efficiency of a predicted image outputted from the predicted-image generating unit to judge a predetermined prediction mode; and... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080165855 - inter-layer prediction for extended spatial scalability in video coding: An improved system and method for providing improved inter-layer prediction for extended spatial scalability in video coding, as well as improving inter-layer prediction for motion vectors in the case of extended spatial scalability. In various embodiments, for the prediction of macroblock mode, the actual reference frame index and motion vectors... Agent: Foley & Lardner LLP

20080165851 - Block information adjustment techniques to reduce artifacts in interpolated video frames: In general, this disclosure is directed to decoding techniques for interpolating video frames. In particular, this disclosure describes techniques for analyzing block information associated with one or more blocks of pixels and adjusting the block information associated with the block of pixels based on the analysis to reduce artifacts in... Agent: Qualcomm Incorporated

20080165854 - Method for processing images: An image processing method is provided. According to the present method, the formulas of the prediction modes of a 4*4 block in intra frame prediction are expanded and applied to 4*4 blocks or 8*8 blocks in a 16*16 block. The prediction modes of the 4*4 blocks or 8*8 blocks in... Agent: J C Patents, Inc.

20080165853 - Method, apparatus, and system for source coding with iterative side information generation and decoding process: A method and apparatus for decompressing data in a data-compression system with decoder-only side information is provided. In one aspect, the method comprises generating side information using a source reconstruction and decoding using the generated side information to generate a new source reconstruction. The method further includes iterating the steps... Agent: Scully, Scott, Murphy & Presser, P.C.

20080165856 - Moving picture signal coding method, decoding method, coding apparatus, and decoding apparatus: Moving picture motion compensation coding/decoding predicts a motion vector in a coding block from a motion vector of the adjacent position and codes a differential motion vector calculated from the motion vector to be coded and its prediction motion vector. The coding is performed by switching the coding accuracy between... Agent: Stanley P. Fisher Reed Smith LLP

20080165852 - Video coding system: A video coding system is provided including generating a motion vector for a macro block in a picture, the motion vectors indicative of displacement of an object in the macro block; grouping a cluster of the motion vectors; and adjusting a dynamic quantization parameter modulation of a subsequent picture based... Agent: Law Offices Of Mikio Ishimaru

20080165857 - Method and system for sampling video data: A method and system for sampling video data uses re-sampling filters having lengths optimized relative to a quantization parameter of video processing. The method uses modeling of an optimal length of the re-sampling filter as a function of the quantization parameter to derive empirical formulas and a look up table... Agent: Samuel S. H. Wang

20080165858 - Variable length coding techniques for coded block patterns: Variable length coding (VLC) techniques are described for coded block patterns (CBPs) used in block-based video coding. In VLC of CBPs, patterns of transform coefficients that are more likely to occur are coded with shorter codes, while patterns of coefficients that are less likely to occur are coded with longer... Agent: Qualcomm Incorporated

20080165859 - Method of digital video frame buffer compression: The digital video referencing frame image is compressed block by block with each block having a predetermined data rate and each block pixels are divided to be multiple sub-blocks with each sub-block having its divider to code the quotient and remainder of the differential values of adjacent pixel components. A... Agent: Chih-ta Star Sung

20080165860 - H.264 data processing: Picture order count values are used to calculate a distance scale factor in the H.264 scheme. The distance scale factor can be used as a parameter in temporal direct prediction and weighted prediction. A decoder can operate on video slices containing picture data. Each video slice can contain references to... Agent: Volpe And Koenig, P.C. Dept. Amd

20080165861 - Intelligent video signal encoding utilizing regions of interest information: Digital video content is processed for delivery over a communications channel by segmenting the digital video content into one or more regions of interest (ROI) in accordance with content signature of the video content and encoding the digital video content in accordance with the ROI segmentation and the communications channel.... Agent: Townsend And Townsend And Crew, LLP

20080165862 - Wireless receiver: A bitstream analysis circuit, generates a reference clock control data. A reference clock DPLL receives a system clock signal and reference clock control data from the analysis circuit and generates a reference clock signal. The reference clock DPLL comprises a 1/n frequency dividing circuit for frequency-dividing the system clock signal,... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080165863 - Reduction of block effects in spatially re-sampled image information for block-based image coding: A method of processing block-based image information including up sample filtering pixels located along boundaries of image blocks using a first filter strength and up sample filtering at least a portion of the pixels that are not located along boundaries of the image blocks using a second filter strength. The... Agent: The Law Offices Of Gary R. Stanford

20080165864 - Systems and methods for error resilience in video communication systems: Systems and methods for error resilient transmission and for random access in video communication systems are provided. The video communication systems are based on single-layer, scalable video, or simulcast video coding with temporal scalability, which may be used in video communication systems. A set of video frames or pictures in... Agent: Baker Botts L.L.P.

20080165865 - System and method for single-carrier space-frequency block coded transmission over frequency selective and fast fading channels: A single carrier transmission scheme which utilizes space-frequency block coding and frequency domain equalization (SF-SCFDE) is proposed for frequency selective and fast fading channel. It is shown that employing this technique in slow fading environment depicts the same performance as that obtained with space-time coding scheme. However, in the more... Agent: Foley & Lardner LLP

20080165866 - Cooperative communication and shared handoff among base, relay, and mobile stations in ofdma cellular networks: In a cellular network, symbols are encoded and modulated to produce a modulated signal The modulated signal is mapped to a subcarrier using a spatial mapping matrix. An inverse fast Fourier transform is applied to the mapped signal to produce groups of tones. The groups of tones are transmitting concurrently... Agent: Mitsubishi Electric Research Laboratories, Inc.

20080165872 - Method and apparatus for transmitting and receiving shared control channel message in a wireless communication system using orthogonal frequency division multiple access: A method and apparatus for transmitting/receiving a shared control channel message in an Orthogonal Frequency Division Multiple Access (OFDMA) wireless communication system are provided. The message transmission apparatus receives feedback information from a terminal; determines whether to transmit data by applying preceding; and transmits, in the shared control channel message,... Agent: The Farrell Law Firm, P.C.

20080165869 - Method and system for a delta quantizer for mimo pre-coders with finite rate channel state information feedback: where A is a matrix of size N by N and aij is element (i,j) of matrix A. One or more unitary matrices may be generated for the at least first codebook from at least a first set of matrices and a second set of matrices.... Agent: Mcandrews Held & Malloy, Ltd

20080165870 - Method and system for a delta quantizer for mimo pre-coders with finite rate channel state information feedback: where A is a matrix of size N by N and aij is element (i,j) of matrix A. One or more unitary matrices may be generated from at least a first set of matrices and a second set of matrices, where the first set of matrices may comprise one or... Agent: Mcandrews Held & Malloy, Ltd

20080165868 - Method and system for codebook design of mimo pre-coders with finite rate channel state information feedback: where A is a matrix of size N by N and aij is element (i,j) of matrix A. Voronoi regions may be generated from the codebook for the unitary matrices. A set of matrices based on the Voronoi regions and the unitary matrices may be generated. Updating the codebook may... Agent: Mcandrews Held & Malloy, Ltd

20080165871 - Ofdm receiver, integrated circuit and receiving method: To improve the reception performance of a mobile receiver for a digital broadcasting by OFDM method, the present invention focuses on the arrangement of the SP signals. The present invention performs oblique interpolation in such a direction that a symbol number increases by one and a carrier number decreases by... Agent: Wenderoth, Lind & Ponack L.L.P.

20080165867 - System and method for reducing interference in an orthogonal frequency division modulation system: An interference contribution associated with a selected subcarrier of a plurality of subcarriers associated with a previously transmitted OFDM symbol or a current OFDM symbol is determined. A fast Fourier transform (FFT) output for the current OFDM symbol is also determined. The interference contribution is subtracted from the FFT output... Agent: Motorola, Inc.

20080165874 - High performance station: Systems and methodologies are described for processing information at a device operating in a wireless communication system. Techniques for in-phase and quadrature (I/Q) calibration, interference cancellation, channel estimation, and signal-to-noise ratio (SNR) and rank metric calculation are provided herein. As provided herein, one or more of the described techniques can... Agent: Amin, Turocy & Calvin LLP

20080165873 - Method and apparatus for transmission of uplink control signaling and user data in a single carrier orthogonal frequency division multiplexing communication system: A user equipment (UE) operating in an Orthogonal Frequency Division Multiplexing communication system transmits Layer 1 and Layer 2 user data non-associated and user data associated control signaling on an uplink by puncturing user data information with the user data non-associated and user data associated control signaling to produce a... Agent: Motorola, Inc.

20080165876 - Apparatus for generating precoding codebook for mimo system and method using the apparatus: An apparatus and method to generate a preceding codebook for a Multiple-Input Multiple-Output (MIMO) system, the apparatus for generating a preceding codebook including: a clustering unit to collect a predetermined number of spatial beams into one cluster such that mutual interference is minimized, the predetermined number of spatial beams collected... Agent: Stein, Mcewen & Bui, LLP

20080165877 - Method and system for transmitting data streams via a beamformed mimo channel: The present invention discloses a method for transmitting data streams in a wireless multiple-input-multiple-output (MIMO) communications system. The method comprises receiving a plurality of signals by a first mobile station, the plurality of signals being transmitted from antennas on a second mobile station, computing a plurality of beamforming weighting vectors... Agent: L. Howard Chen Kirkpatrick & Lockhart Preston Gates Ellis, LLP

20080165875 - Multi-user mimo-sdma for finite rate feedback systems: A multi-user MIMO downlink beamforming system with limited feedback (200) is provided to enable preceding for multi-stream transmission, where a channel codeword (ui) and one or more channel quality indicator values (CQIA, CQIB) are computed at the user equipment (201.i) on the basis of maximizing a predetermined SINR performance metric... Agent: Hamilton & Terrile, LLP

20080165878 - Wireless communication receiving device and wireless communication system: A wireless communication receiving device includes an initializing section for obtaining a temporary solution from a transmission route estimation value and a reception signal, a solution candidate calculating section for obtaining a solution candidate for each dimension existing inside a search area around the temporary solution, a solution candidate selecting... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080165880 - Method and apparatus for managing a cooperative diversity system: A cooperative diversity method and apparatus that can minimize interference and maximize an efficiency of a transmission channel between terminals of a cooperative diversity pair, the method including: determining a pair of terminals to be a cooperative diversity pair according to a spectrum sensing result of a cognitive radio (CR);... Agent: Stein, Mcewen & Bui, LLP

20080165882 - Method and system for resizing a mimo channel: The present invention discloses a method for generating a signal stream in a multiple-input-multiple-output (MIMO) channel of a wireless communications system. The method comprises encoding at least one transmitting message into a first signal sequence, transforming the first signal sequence into a second and a third signal sequence by a... Agent: L. Howard Chen Kirkpatrick & Lockhart Preston Gates Ellis, LLP

20080165879 - Method and system for switching antennas during transmission time intervals in ofdma systems: A method and system switches antennas in an orthogonal frequency division multiplexed access (OFDMA) wireless communication system while transmitting symbols. Each symbol includes a cyclic prefix and a block of data signals. The symbols are transmitted during a first portion of a transmission time interval (TTI), from a first antenna.... Agent: Mitsubishi Electric Research Laboratories, Inc.

20080165881 - Method for accessing channels in ofdma mobile multihop relay networks: A method accesses channels in an OFDMA mobile multihop relay wireless network. The method partitions a downlink sub-frame into at least one downlink access zone and a set of downlink relay zones. The uplink subframe is partitioned into at least one uplink access zone and a set of uplink relay... Agent: Mitsubishi Electric Research Laboratories, Inc.

20080165883 - Resource allocation method for mimo-ofdm of multi-user access systems: A resource allocation method for MIMO (multi-input multi-output-OFDM (orthogonal frequency-division multiplex) of multi-user access systems includes A) for each sub-carrier or group of sub-carriers of OFDM, grouping signature vectors of users at a time period according to correlations of the signature vectors; B) from the grouping results, selecting the signature... Agent: Leydig, Voit & Mayer, Ltd (for Huawei Technologies Co., Ltd)

20080165884 - Systems and methods for the distribution of clock signals: Systems and methods to distribute clock signals using a common bus. In one embodiment, a clock signal distribution system includes: a bus; a transmitter coupled to the bus to drive a clock signal onto the bus; and one or more receivers coupled to the bus to receive the clock signal,... Agent: Ivy Y. Mei

20080165885 - Data transmission: A system for transmitting input data over a speech channel of a network comprising: a modulator arranged to produce a modulated waveform signal transforming the data for transmission over the network; a channel compensation filter arranged to filter the modulated waveform signal after it has been transmitted over the speech... Agent: Fraser Clemens Martin & Miller LLC

20080165888 - Flow control of frame based data over a synchronous digital network: A transmission apparatus and a method for operating the apparatus comprises means for controlling flow of frame based data transmitted from a local frame based data channel interface over a synchronous digital network. The method of operation comprises the transmitter receiving frame based data at a first rate whereafter a... Agent: Barnes & Thornburg LLP

20080165886 - System and method for inserting pilot symbols in continuous phase modudlation systems: A system and method for creating a number of phase reference points in a data frame is provided. When a sequence of data bits is to be transmitted, the sequence is precoded into data symbols and organized as data frames. For each data frame, an x number of phase reference... Agent: Motorola, Inc.

20080165887 - System and method for transmitting and receiving data in a communication system: A system and method for transmitting and receiving data in a communication system are provided, in which upon generation of data of communication services to be transmitted to a receiver, a transmitter classifies the data according to the service types of the communication services, inserts a guard interval between the... Agent: Docket Clerk

20080165889 - Methods, systems, and computer program products for rateless coding: The disclosed methods, systems, and computer-program products for compute a power allocation for a rateless, error-correcting code constructed from a plurality of repeated blocks having a plurality of superimposed layers and having a decoding signal-to-noise ratio (SNR) threshold. A noise threshold for an initial block of the rateless code is... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20080165890 - System and method for setting phase reference points in continuous phase modulation systems by providing pilot symbols at a location other than the location of the phase reference point: When a sequence of data bits is to be transmitted, the sequence is precoded into data symbols and organized as data frames. For each data frame, a number of phase reference points at predetermined intervals within the data frame are required to allow a receiving device to sufficiently estimate channel... Agent: Motorola, Inc.

20080165891 - Pilot design for improved channel and interference estimation: Techniques for transmitting pilot and for processing received pilot to obtain channel and interference estimates are described. A terminal may generate pilot symbols for a first cluster in a time frequency block based on a first sequence and may generate pilot symbols for a second cluster in the time frequency... Agent: Qualcomm Incorporated

20080165893 - Transmission of information using cyclically shifted sequences: Techniques for transmitting information using cyclically shifted sequences are described. In one design, first and second sequences may be generated by cyclically shifting a base sequence by first and second amounts, respectively. The base sequence may be a CAZAC sequence, a PN sequence, or some other sequence having good correlation... Agent: Qualcomm Incorporated

20080165892 - Using the preamble in an ofdm-based communications system to indicate the number of guard tones: Indicating the number of guard tones on the preamble frames is described for an OFDM or ODFMA based wireless communication system. The information of the number of guard tones or the range of the number of guard tones used on certain channels is indicated before the mobile station demodulates those... Agent: Slater & Matsil, L.L.P.

20080165894 - Transmitter with forward error correction coding for hybrid am in-band on-channel digital audio broadcasting systems: A transmitter for broadcasting an AM compatible digital audio broadcasting signal includes an analog modulator for producing an analog modulated carrier signal centrally positioned in a radio channel, wherein the analog modulated carrier signal is modulated by an analog signal, and a digital modulator for producing a plurality of digitally... Agent: Pietragallo Gordon Alfano Bosick & Raspanti LLP

20080165895 - Apparatus for supplying an encoded data signal and method for encoding a data signal: An apparatus for supplying an encoded data signal comprises a detector for detecting information on an internal receiver for receiving the encoded data signal, a selector for selecting a coding scheme to be used for encoding the data signal the selector being operative to access a data base having entries... Agent: Glenn Patent Group

20080165897 - Reducing power consumption in signal detection: Embodiments include a time-sharing detector that is designed to enable comparison of a first reference voltage and a second reference voltage against the serial data transmission in a specified pattern. In many embodiments, the pattern is pre-defined and, in some embodiments, the pattern includes an overlap period. During the overlap... Agent: Ibm Corporation

20080165896 - Self-configuring media devices and methods: Systems and methods for self-configuring portable electronic devices are provided. In one embodiment, the portable device includes carrier circuitry that receives compressed data streams of information and application circuitry that decompresses the received data stream in accordance with a specific CODEC. The device includes the capability for the carrier circuitry... Agent: Ropes & Gray LLP

20080165898 - Current mode interface receiver with process insensitive common mode current extraction and the method: A data communication system comprises a transmitter and a receiver. A plurality of current mode drivers at the transmitter are used to transmit clock and data signals to the receiver. A plurality of current mode sinks at the receiver are used to receive the transmitted clock and data signal. The... Agent: Baker & Mckenzie LLP Patent Department

20080165899 - Radio frequency receiver having dynamic bandwidth control and method of operation: A radio frequency receiver (102) includes at least one amplifier (108, 114 and 122) for amplifying a signal received by the radio frequency receiver, an automatic gain control system (158) for controlling a gain of the at least one amplifier, and a direct current offset correction filter (142) for reducing... Agent: Fleit, Kain, Gibbons, Gutman, Bongini & Bianco P.l

20080165900 - Demodulating a signal encoded according to ask modulation and psk modulation: A system operable to demodulate a PSK-ASK encoded signal encoded according to ASK modulation and PSK modulation includes one or more inversion modulators. An inversion modulator receives an ASK-decoded signal generated according to a first signal split from the PSK-ASK encoded signal. The inversion modulator includes an inverter and an... Agent: Baker Botts L.L.P.

20080165902 - Circuit and method for differential signaling receiver: A receiver for a differential signal transmitted over a serial interface includes a squelch detector, a differential amplifier, a start pattern detector, an end pattern detector, and a controller. The squelch detector is configured to output a squelch signal when determining that the differential signal is present on the serial... Agent: Dickstein Shapiro LLP

20080165901 - Method and apparatus for processing signals received from a channel having a variable channel length: A method comprises receiving a wireless signal at a channel estimator, and receiving the wireless signal at a channel length determination unit. Each of the channel estimator and the channel length determination unit independently receive the wireless signal.... Agent: Harness, Dickey & Pierce P.L.C

20080165903 - Apparatus, method and computer program product for detecting non-synchronized random access channel preamble: A detect decision is made by non-coherently combining results from correlating a preamble (CAZAC) sequence with base/root sequences used in the cell and setting a detection threshold based on those combined results. Another threshold can be set based on coherently combining results from correlating the preamble sequence, in which case... Agent: Harrington & Smith, PC

20080165904 - Symbol scaling with automatic gain control for wireless communication: Techniques for scaling symbols to account for large abrupt changes in received power at a user equipment (UE) are described. The UE performs AGC on received samples to obtain input samples. The UE processes (e.g., CDMA demodulates) the input samples to obtain first symbols. The UE determines the power of... Agent: Qualcomm Incorporated

20080165905 - Monitoring and adjusting noise parameters: One embodiment of the present invention relates to a method of monitoring impulse noise. In the method, clusters of corrupted symbols in a stream of symbols are characterized in accordance with a cluster parameter associated with the clusters. Other methods and systems are also disclosed.... Agent: Thomas G. Eschweiler, Esq. Eschweiler & Associate, LLC

20080165906 - Method and apparatus for transferring digital content from a personal computer to a mobile handset: A system for synchronizing digital content stored on a user's mobile handset with digital content stored on the user's personal computer is disclosed.... Agent: Dla Piper US LLP

20080165907 - Fractionally related multirate signal processor and method: A multirate processing circuit (100) with a resampling filter (106) to accept a sampled input signal (104) sampled with a first clock rate and to filter the sampled input signal to remove spectral components above a spectral bandwidth of a second clock rate. The sampled input signal represents a signal... Agent: Fleit, Kain, Gibbons, Gutman, Bongini & Bianco P.l

20080165908 - Methods and apparatus for timing synchronization based on transitional pilot symbols: Methods and apparatus for timing synchronization based on transitional pilot symbols. In an aspect, a method is provided for time tracking synchronization in an OFDM system. The method includes receiving at least one TDM pilot symbol comprising a plurality of modulated sub-carriers that are configured to provide a channel estimate... Agent: Qualcomm Incorporated

20080165909 - Frame synchronization: A technique for synchronizing a device for communication is based on an accumulated sum of values or absolute values. The absolute value can be of either the sum or difference of a plurality of symbols. In one embodiment, the absolute values of the sum or difference of three symbol pairs... Agent: Sheppard, Mullin, Richter & Hampton LLP

20080165910 - Frame synchronization using correlation between permuted sequences: A permuted sequences combination uses a frame structure in which two sync words, each comprising M complex symbols, are appended at the frame start. One benefit is the reduction of the large variance of the timing estimation error in the conventional correlation method. In at least one embodiment, the first... Agent: Foley & Lardner LLP

20080159355 - Device for use in a frequency hopping system: Devices (1,2) for use in frequency hopping systems (3) for frequency hopping through frequencies of a sequence of frequencies get a better overall performance by introducing selectors (4) for selecting the sequence from a number of sequences, which number of sequences comprises a first sequence and a second sequence, which... Agent: Nxp, B.v. Nxp Intellectual Property Department

20080159356 - Method and a system for low-rate channel communication in wireless communication systems: A method and a system for low-rate bidirectional communications for establishing and maintaining a unidirectional high-rate data link, is provided, wherein orthogonal frequency division multiplexing (OFDM) with spreading is utilized on the low-rate channel. Low-rate communications in an omni-directional mode achieve similar coverage as the high-rate communications in a beamforming... Agent: Kenneth L. Sherman, Esq. Myers Dawes Andras & Sherman, LLP

20080159357 - Uwb channel estimation using new generating tr transceivers: The present invention presents a simple and novel channel estimation scheme for UWB communication systems. As disclosed herein, the present invention maximizes the extraction of information by incorporating a new generation of transmitted-reference (Tr) transceivers that utilize a single reference pulse(s) or a preamble of reference pulses to provide improved... Agent: Michael C. Staggs Attorney For Applicants

20080159359 - Method of cooperative transmission technique in a orthogonal frequency division multiple access uplink system: The diversity techniques—space time block code (STBC), maximum ratio combining (MRC)—with multiple antennas provide better reliability than general system. But there are some limitations such as size, cost, hardware complexity, etc, because of multiple antennas. In this letter, we propose a cooperative transmission technique using STBC. We can overcome those... Agent: Volpe And Koenig, P.c.

20080159360 - Transfer of digital data through an isolation: A method and a system for transferring a digital signal through a transformer, in which the current in a primary winding of the transformer is a frequency-modulated signal exhibiting sinusoidal trains of different durations according to the rising or falling edge of the digital signal to be transferred.... Agent: Stmicroelectronics Inc. C/o Wolf, Greenfield & Sacks, P.c.

20080159358 - Unknown destination traffic repetition: Central coordinator and proxy coordinator information typically found in powerline communications standards, such as the HomePlug standards, is used to ensure proper communication of a data packet directed toward an unknown destination. By using the central coordinator nodes and the proxy coordinator nodes to repeat the data packet according to... Agent: Carr & Ferrell LLP

20080159361 - Dynamically adjusted phase locked loop: The present invention relates to a dynamically adjusted phase-locked loop (PLL). The level of capacitance of the loop filter and the level of current of the charge pump of the phase-locked loop are adjusted in accordance with an analogue method.... Agent: Harrington & Smith, Pc

20080159365 - Analog conditioning of bioelectric signals: An operational amplifier circuit is described. The operational amplifier circuit includes an operational amplifier, a high-pass filter portion, and a feedback loop, wherein the operational amplifier circuit is configured to output an amplified filtered version of a bio-signal. The operational amplifier includes a non-inverting input terminal, and an inverting input... Agent: Fish & Richardson P.c.

20080159364 - Ic antenna structures and applications thereof: An integrated circuit (IC) includes a package substrate, a die, and a plurality of antenna structures. The die includes a radio frequency (RF) transceiver and a control module, wherein the RF transceiver processes inbound and outbound RF signals. The control module enables the RF transceiver to receive the inbound RF... Agent: Garlick Harrison & Markison

20080159363 - Ic with a 55-64 ghz antenna: An integrated circuit (IC) includes a package substrate, a die, and an antenna structure. The die includes a functional circuit module and a radio frequency (RF) transceiver that processes inbound and outbound RF signals. The antenna structure is coupled to the RF transceiver and is on the die and/or the... Agent: Garlick Harrison & Markison

20080159366 - Method and a multi-carrier transceiver supporting dynamic switching between active application sets: A transceiver and method for communicating over a communications channel having a plurality of subchannels are described. In particular, the transceiver is capable of dynamically switching between communicating data for a first active application set and communicating data for a second different active application set. An active application set is... Agent: Jason H. Vick Sheridan Ross, Pc

20080159362 - System and method for adaptive modulation and power control in a wireless communication system: A system for adaptive modulation and power control in a wireless communication system includes a downlink from a base station to a remote unit and an uplink from the remote unit to the base station. The base station incorporates adaptive modulation on the downlink while power control is not utilized.... Agent: Davis Wright Tremaine, LLP/seattle

20080159367 - Signal processing device and method: A test signal, the amplitudes of which are equal in the positive and negative directions, is generated and supplied to a signal processing circuit that performs a frequency conversion. Signals outputted from the signal processing circuit are detected to provide detected signals, which comprise a detected positive signal corresponding to... Agent: Young & Thompson

20080159369 - Method of generating an eye diagram of integrated circuit transmitted signals: A sequence of K voltage samples of a transmitted data signal is generated by sampling, digitizing, and storing voltage samples of the data signal with an imbedded sample clock on an IC having an unknown period TS. The K voltage samples are plotted against a time base of K sequential... Agent: Ibm Corp (wsm) C/o Winstead Sechrest & Minick P.c.

20080159368 - Time shifting signal acquisition probe system: A time shifting signal acquisition probe system has a signal acquisition probe having a memory containing a time delay constant representative of the propagation time delay of an electrical signal passing through the signal acquisition probe. A measurement test instrument receives the electrical signal from the signal acquisition probe and... Agent: William K. Bucher Tektronix, Inc.

20080159370 - Alternative method for equalizing dds generated waveforms: The present invention is directed to a method for equalizing a radio frequency (RF) waveform in a communication system. The method includes generating a DDS waveform at a predetermined instantaneous frequency. A digital instantaneous frequency signal corresponding to the predetermined instantaneous frequency is provided. A predetermined digital scaling factor corresponding... Agent: Bond, Schoeneck & King, Pllc

20080159372 - Automatic tuning circuit for a continuous-time equalizer: Embodiments of the invention are generally directed to systems, methods, and apparatuses for an automatic tuning circuit for a continuous-time equalizer (CTE). In some embodiments, the automatic tuning circuit automatically tunes the magnitude response as a function of frequency of the CTE.... Agent: Caven & Aghevli C/o Intellevate, Llc

20080159371 - Common mode adaptive equalization: In some embodiments common mode equalization is performed on a received differential signal to produce a voltage signal that is proportional to a common mode voltage of the differential signal. A command signal is provided in response to the common mode equalization to adjust a delay between two pairs of... Agent: Intel Corporation C/o Intellevate, Llc

20080159374 - Filtering, equalization, and powers estimation for enabling higher speed signal transmission: An equalizer consistent with certain embodiments has a differential analog tapped delay line made of a plurality of N series connected analog delay cells. Each cell has a pair of differential inputs and a pair of differential outputs. The delay line receives an input signal to be equalized. The differential... Agent: Miller Patent Services

20080159373 - Method and apparatus for operating a diversity receiver with an equalizer and a rake receiver: Techniques for operating a diversity receiver are described. A user equipment (UE) may include (i) a first receive chain having an equalizer and a first rake receiver and (ii) a second receive chain having a second rake receiver. The UE may support (i) a first mode in which only the... Agent: Qualcomm Incorporated

20080159377 - High performance equalizer with enhanced dfe having reduced complexity: An apparatus and method for implementing an equalizer which (1) combines the benefits of a decision feedback equalizer (DFE) with a maximum-a-posterori (MAP) equalizer (or a maximum likelihood sequence estimator, MLSE) (2) performs equalization in a time-forward or time-reversed manner based on the channel being minimum-phase or maximum-phase to provide... Agent: Mcandrews Held & Malloy, Ltd

20080159375 - Method of enhanced detection technique for wireless mimo communication system: A method of enhanced detection technique is used with wireless MIMO communication system. Since the performance of V-BLAST system depends on the first sub-stream detection capability, V probable streams are detected according to the first detected sub-stream of DFE detector and most probable stream is selected by likelihood test. The... Agent: Ratnerprestia

20080159376 - Receiver with decision-feedback fading canceller: A receiver that includes but is not limited to a demodulator, a channel equalizer coupled to the demodulator, a demapper coupled to the channel equalizer, a decision-feedback fade canceller (DFC) coupled to the channel equalizer, demodulator, and demapper, wherein an output of the DFC feeds back into the channel equalizer,... Agent: Texas Instruments Incorporated

20080159382 - Apparatus and method for generating current reset mode pulse width modulation signals: A pulse width modulation (PWM) generator featuring very high speed and high resolution capability and the ability to generate standard complementary PWM, push-pull PWM, variable offset PWM, multiphase PWM, current limit PWM, current reset PWM, and independent time base PWM while further providing automatic triggering for an analog-to-digital conversion (ADC)... Agent: Baker Botts, LLP

20080159378 - Apparatus and method for generating multi-phase pulse width modulation (pwm) and sharing a common (master) duty cycle value among a plurality of pwm generators: A pulse width modulation (PWM) generator featuring very high speed and high resolution capability and the ability to generate standard complementary PWM, push-pull PWM, variable offset PWM, multiphase PWM, current limit PWM, current reset PWM, and independent time base PWM while further providing automatic triggering for an analog-to-digital conversion (ADC)... Agent: Baker Botts, LLP

20080159381 - Apparatus and method for generating push-pull pulse width modulation signals: A pulse width modulation (PWM) generator featuring very high speed and high resolution capability and the ability to generate standard complementary PWM, push-pull PWM, variable offset PWM, multiphase PWM, current limit PWM, current reset PWM, and independent time base PWM while further providing automatic triggering for an analog-to-digital conversion (ADC)... Agent: Baker Botts, LLP

20080159379 - Apparatus for higher resolution pulse width modulation duty cycle: A pulse width modulation (PWM) generator featuring very high speed and high resolution capability and the ability to generate standard complementary PWM, push-pull PWM, variable offset PWM, multiphase PWM, current limit PWM, current reset PWM, and independent time base PWM while further providing automatic triggering for an analog-to-digital conversion (ADC)... Agent: Baker Botts, LLP

20080159380 - Apparatus for improved resolution pulse width modulation module duty cycle, dead time and phase: A pulse width modulation (PWM) generator featuring very high speed and high resolution capability and the ability to generate standard complementary PWM, push-pull PWM, variable offset PWM, multiphase PWM, current limit PWM, current reset PWM, and independent time base PWM while further providing automatic triggering for an analog-to-digital conversion (ADC)... Agent: Baker Botts, LLP

20080159384 - System and method for jitter buffer reduction in scalable coding: Jitter buffer arrangements for video and audio communications networks include a plurality of jitter buffers each of which is designated to buffer a particular layer scalably coded data streams, and coupled decoder to decode the received scalably coded data stream layer-by-layer.... Agent: Baker Botts L.l.p.

20080159383 - Tagboard for video tagging: Keyframes of video are arranged on a display based on characteristics on the keyframes, such as content similarity and temporal relation as compared to each other, where input is received comprising one or more keyframes from video data and it is determined where to display the one or more keyframes... Agent: Hickman Palermo Truong & Becker LLP/yahoo! Inc.

20080159387 - Entropy deficiency based image: A method for obtaining a quantization factor for image compression by quantization of coefficients of a transformation of an image or part thereof, comprising determining an entropy-related sensitivity to quantization of at least a part of the image; and determining a quantization factor based on the entropy-related sensitivity.... Agent: Martin D. Moynihan Prtsi, Inc.

20080159386 - Loop-filtering method for image data and apparatus therefor: A loop-filtering method for reducing quantization effect generated when an image data is encoded and decoded, and an apparatus therefor. The loop-filtering method includes the steps of extracting a flag indicating whether the image data requires loop-filtering using the distribution of inverse quantized coefficients (IQCs) of an inverse quantized image... Agent: Sughrue, Mion, Zinn, Macpeak & Seas, Pllc

20080159385 - Method and apparatus for bit rate reduction in video telephony: Method and apparatus for encoding video is described. In one example, average of motion vectors for each of a plurality of blocks is maintained over a threshold number of inter-coded frames in the video. The running average of motion vectors for each of the plurality of blocks is compared to... Agent: Motorola, Inc. Law Department

20080159389 - Method and apparatus for determining coding for coefficients of residual block, encoder and decoder: Provided are a method and apparatus for determining coding for coefficients of a residual block, an encoder and a decoder. The method includes generating a residual block by subtracting a motion-compensated prediction block from the current block; frequency-converting coefficients of the residual block into frequency coefficients; frequency-converting coefficients of the... Agent: Sughrue Mion, Pllc

20080159388 - Method for generating reduced image of original image comprising blocks encoded by intra prediction and image apparatus thereof: A method for generating a reduced image of an original image comprising blocks encoded by intra prediction, and an image apparatus thereof are provided. The method for generating a reduced image, includes extracting an average of a compression block of a compression image, the compression image including blocks encoded by... Agent: Sughrue Mion, Pllc

20080159399 - Apparatus and related method for decoding video blocks in video pictures: A method for decoding a video block in a video picture includes: selecting N motion vectors from M motion vector, wherein the M motion vectors corresponding to at least a video block of at least a reference area; and decoding the video block according to the N motion vectors.... Agent: North America Intellectual Property Corporation

20080159398 - Decoding method and coding method: A decoding method for a motion picture, for reducing coding bits of coded data, and for preventing a decoded picture from deterioration in picture quality thereof, comprises a step for receiving information relating to motion search, a step for conducting the motion search with using a reference picture to be... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080159397 - Information processing apparatus: According to one embodiment, an information processing apparatus includes an input unit which inputs moving picture signal, a processing load detecting unit which detects a processing load, a motion estimation unit which detects the inter-frame motion of blocks obtained by dividing an input picture constituting the input moving picture signal... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20080159401 - Method and apparatus for estimating motion vector using plurality of motion vector predictors, encoder, decoder, and decoding method: Provided are a method and apparatus for estimating a motion vector using a plurality of motion vector predictors, an encoder, a decoder, and a decoding method. The method includes calculating spatial similarities between the current block and the plurality of neighboring partitions around the current block, selecting at least one... Agent: Sughrue Mion, Pllc

20080159400 - Method and apparatus for predicting motion vector using global motion vector, encoder, decoder, and decoding method: Provided are a method and apparatus for predicting a motion vector using a global motion vector, an encoder, a decoder, and a decoding method. The motion vector prediction method includes: predicting a global motion vector of the current block; calculating a first motion vector difference between a motion vector of... Agent: Sughrue Mion, Pllc

20080159391 - Method and apparatus of temporal filtering for side information interpolation and extrapolation in wyner-ziv video compression systems: A method (and system) for video coding includes receiving a first reference frame having a first pixel value at a first pixel position, a second reference frame having a second pixel value at a second pixel position, and a third reference frame having a third pixel value at a third... Agent: Mcginn Intellectual Property Law Group, Pllc

20080159390 - Method and system for signal prediction in predictive coding: A method (and system) for coding a signal includes comparing a first prediction which is based upon a previously reconstructed signal to an actual signal to determine a first prediction error, comparing a second prediction which is based upon temporal filtering to the actual signal to determine a second prediction... Agent: Mcginn Intellectual Property Law Group, Pllc

20080159394 - Method of and apparatus for estimating motion vector based on sizes of neighboring partitions, encoder, decoding, and decoding method: Provided are a method of and apparatus for estimating a motion vector using the sizes of neighboring partitions, an encoder, a decoder, and a decoding method. The method includes comparing the size of a first neighboring partition located to the left of the current block with the size of a... Agent: Sughrue Mion, Pllc

20080159392 - Method of motion estimation for video compression: A motion estimation method for video compression comprises the following steps. First, an initial simplex comprising three points is determined based on motion vectors in blocks of a current frame and a previous frame, and a point having a largest function value among the three points is replaced with a... Agent: Connolly Bove Lodge & Hutz LLP

20080159393 - Motion compensation method and apparatus that sequentially use global motion compensation and local motion compensation, decoding method, video encoder, and video decoder: A motion compensation method and apparatus that sequentially use global motion compensation and local motion compensation, a video decoding method, a video encoder, and a video decoder are provided. The motion compensation method includes extracting global motion information of a reference block, performing global motion compensation by applying the extracted... Agent: Sughrue Mion, Pllc

20080159402 - Motion vector prediction method and prediction apparatus thereof: A motion vector (MV) prediction method and a prediction apparatus thereof are applicable for a video image encoder/decoder to predict an MV of a video image. Firstly, segment a macroblock in the video image into microblocks. Then, configure a row memory and three register memories to register the MV required... Agent: Birch Stewart Kolasch & Birch

20080159395 - Video signal processing circuit, video signal processing apparatus, and video signal processing method: According to one embodiment, there is provided a video signal processing circuit including: an image processing circuit configured to process a video signal which is displayed on an image display section; and a motion picture enhancement circuit configured to acquire, from the image processing circuit, the video signal and a... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20080159396 - Video signal processing circuit, video signal processor, and video signal processing method: According to one embodiment of the invention, there is provided a video signal processing circuit including: an image processing circuit configured to subject a video signal to image processing for displaying the video signal on an image display section; and a motion picture enhancement circuit configured to acquire, from the... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20080159403 - System for use of complexity of audio, image and video as perceived by a human observer: A system and method for determining and using complexity of image, audio, or video information as perceived by a human observer is provided. The system and method may determine complexity of the image, audio or video information by using a perceptual model, such as a lossy compression system. The compression... Agent: Brinks Hofer Gilson & Lione

20080159404 - System and method for in-loop deblocking in scalable video coding: A system and a method for deblocking a reconstructed/decoded picture in a scalable video encoding/decoding system is provided. Deblocking is accomplished by applying a filter to smooth pixel values adjacent to a boundary shared by two blocks. The type of the filter applied depends on quantization parameter (QP) values assigned... Agent: Baker Botts L.l.p.

20080159406 - Method for detecting a moving object in motion video and apparatus therefor: An apparatus for detecting a moving object in motion video comprises a macro-block determining section for determining the background/non-background of each macro-block of a reconstructed video signal from a video decoder section which decodes encoded data obtained by compression-encoding a motion video signal, a moving object determining section for determining... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080159405 - Video block memory read request translation and tagging: According to some embodiments, a video block memory read request may be received from a processing unit. For example, a codec may request to access a macroblock of pixel information from a memory unit. The video block memory read request may then be translated into a plurality of memory access... Agent: Buckley, Maschoff & Talwalkar Llc

20080159407 - Mechanism for a parallel processing in-loop deblock filter: In one embodiment, an apparatus and method for a parallel processing in-loop deblock filter are disclosed. In one embodiment, the method comprises: receiving a video input including a frame to be in-loop deblocked by an in-loop deblock (ILDB) filter; determining whether a macroblock (MB) of one row of the frame... Agent: Intel/blakely

20080159408 - Methods and apparatus to decode and encode video information: Methods, apparatus, and articles of manufacture to decode and/or decode video information are disclosed. A disclosed example method involves selecting a video frame and a macroblock of the video frame to process. The example method also involves initiating a processing operation of the selected macroblock by a first thread, wherein... Agent: Hanley, Flight & Zimmerman, Llc

20080159409 - Low complexity real-time video coding: In a first exemplary media implementation, one or more processor-accessible media include processor-executable instructions that, when executed, direct a device to perform actions including: comparing an accuracy indicator to at least one threshold, the accuracy indicator corresponding to a reference macroblock selected for a target macroblock; ascertaining a refinement case... Agent: Lee & Hayes Pllc

20080159410 - Methods and systems for computing the quality of an mpeg-2 video stream: Novel “loss rate” metrics are presented that can be used to indicate the quality of a video stream. These metrics may be determined using a simplified method or by a more sophisticated method, the latter method applying different “weights” (i.e., adjustments) to error computations based on the type of frame... Agent: Capitol Patent & Trademark Law Firm, Pllc

20080159411 - Easily tuned and robust control algorithm for single or multiple variable systems: A controller and associated methods. A controller has an input for a controlled variable; a proportional term; an integral term; and a predictive term. The predictive term has an error-predictive subterm including at least a past value of an error; and a command-predictive subterm including at least one past value... Agent: Carr LLP

20080159412 - Conductive dc biasing for capacitively coupled on-chip drivers: An integrated circuit containing a communication channel is described. This communication channel includes: a transmit circuit configured to transmit signals; a link coupled to an output of the transmit circuit; a receive circuit coupled to the link; and a clamping circuit coupled to the link. Note that the transmit circuit... Agent: Pvf -- Sun Microsystems Inc. C/o Park, Vaughan & Fleming LLP

20080159413 - Method and apparatus for remote device control using control signals superimposed over ethernet: A method and apparatus for remotely controlling a power state of devices comprises interconnecting, with an Ethernet cable, a first multi-function display (MFD) and at least one device for communicating with the first MFD. The first MFD comprises a switch for changing a power state. A power source provides power... Agent: Garmin Ltd. C/o Garmin International, Inc.

20080159414 - Apparatus for and method of baseline wander mitigation in communication networks: A novel and useful mechanism for the mitigation of baseline wander from wired networks such as Ethernet. A high pass filter is inserted before the analog to digital converter having a pole within the range of 5-12 MHz. This eliminates the need for any other baseline wander removal schemes, whether... Agent: Texas Instruments Incorporated

20080159415 - Baseline wander correction for communication receivers: A novel and useful baseline wander correction mechanism for use with transformer coupled baseband communication receivers. Parametric estimation of the transformer model is used estimate and cancel the baseline wander effect. A parametric model is used to model the baseline wander impairment created by the transmitter and receiver transformers as... Agent: Texas Instruments Incorporated

20080159416 - High bandwidth data transport system: The present invention provides for a methods, system, and apparatus relating to data transmission. One method of the present invention includes representing data using at least one pulse based on a Gaussian wave form, sending the at least one pulse over an electrically conductive guided media, and recovering the data... Agent: Mckee, Voorhees & Sease, P.L.C

20080159424 - Angle estimation for space-time block code (stbc) modulated signal: Angle estimation for modulated signal. A novel compensation technique is presented by which angle estimation may be performed for a modulated signal. More specifically, the angle between a constellation corresponding to a received signal and a constellation corresponding to a received signal may be very efficiently estimated using any one... Agent: Garlick Harrison & Markison

20080159420 - Apparatus and method for inter-carrier interference self-cancellation and inter-carrier interference reconstruction and cancellation: A method for ICI self-cancellation and ICI reconstruction and cancellation is introduced. The method includes receiving input signals; receiving boundary information regarding a length q of an ISI-free region of the received signals; selecting a plurality of ISI-free signals from the received signals; combining the plurality of ISI-free signals to... Agent: Akin Gump LLP - Silicon Valley

20080159427 - Apparatus and method for ranging in broadband wireless communication system: Provided is an apparatus and method for ranging in a broadband wireless communication system. In a method for communication of a base station, a received signal and ranging codes are correlated to detect codes. Feedback information for the detected codes is generated, and a ranging feedback message including the generated... Agent: Docket Clerk

20080159426 - Apparatus and method for transmitting and receiving a signal in a multiple input multiple output mobile communication system: Disclosed is an apparatus and a method for signal transmission and reception according to a pre-processing scheme in a MIMO mobile communication system. The method includes: inputting a symbol; and pre-processing the input symbol according to a pre-processing matrix corresponding to pre-processing matrix information and transmitting the pre-processed symbol through... Agent: Docket Clerk

20080159417 - Base station and method for mitigating interference in a sectorized communication network: Embodiments of a base station and method for mitigating interference in a sectorized wireless communication network are generally described herein. Other embodiments may be described and claimed. In some embodiments, some partitions of subchannels are configured in accordance with the distributed subcarrier permutation scheme for use within each sector of... Agent: Schwegman, Lundberg & Woessner, P.a.

20080159425 - Design of multi-user downlink linear mimo precoding systems: Multi-user (MU-) MIMO systems with quantized feedback are designed to maximize the sum-rate via scheduling and linear precoding. To maximize throughput over the network, quantized CSIT is sent through a low-rate feedback link feedback from a plurality of users back to a base station. The base station then determines a... Agent: Nec Laboratories America, Inc.

20080159418 - Method and device for generating constant envelope modulation using a quadrature modulator: A quadrature modulated transceiver (102) is used to generate a constant envelope angle modulated signal for communications. To produce the required feedback when operating in the constant envelope mode, an orthogonal frequency division multiplexed receiver (136) is used.... Agent: Motorola, Inc

20080159419 - Method and system for diversity using orthogonal frequency/division multiplexing: A method and system for achieving a link budget improvement in a diverse OFDM radio system by addressing the timing misalignment issue that can occur due to the differences in propagation time in signals between mobile stations and Radio Access Nodes. Timing misalignment is shared or split between the primary... Agent: Christopher & Weisberg, P.a.

20080159428 - Mobile terminal and base station apparatus: A mobile terminal includes a data generation unit operable to generate first data and second data and a radio transmission unit operable to perform radio transmission of the first data by using a first sub carrier group according to an orthogonal frequency divisional multiplexing (OFDM) method and to perform radio... Agent: Bingham Mccutchen LLP

20080159423 - Multicarrier transmission method, multicarrier modulation signal transmission apparatus, multicarrier modulation signal reception apparatus, multicarrier modulation signal transmission method, and pilot signal generation method: In a transmitter, at least one pilot carrier which is modulated with a signal sequence including a reference pilot signal sequence represented by any of amplitude modulation vectors {α, α, −α, −α}, {α, −α, −α, α}, {−α, α, α, −α}, and {−α, −α, α, α} where α represents a real... Agent: Wenderoth, Lind & Ponack L.l.p.

20080159422 - Reducing a peak-to-average ratio of a signal: Methods and corresponding systems for reducing a peak-to-average signal ratio include determining peak and null samples of a symbol. Thereafter, an error signal is calculated that is responsive to the peak and null samples. In one embodiment the error signal has values corresponding to differences between the peak samples and... Agent: Law Office Of Charles W. Bethards, LLP

20080159421 - Reducing a peak-to-average ratio of a signal using filtering: Methods and corresponding systems for reducing a peak-to-average signal ratio include determining peak and null samples of a symbol. Thereafter, an error signal is calculated that is responsive to the peak and null samples. In one embodiment the error signal has values corresponding to differences between the peak samples and... Agent: Law Office Of Charles W. Bethards, LLP

20080159429 - Decoding methods and apparatus for mimo communication systems: Methods and apparatus are described herein to provide for the decoding of signals in a MIMO communications system. Other embodiments may include a method of deriving a list of possible data vectors and corresponding metrics given a received signal vector and provide the list to a soft bits calculator. Further... Agent: Schwegman, Lundberg & Woessner, P.a.

20080159431 - Control channel information transmission method, and base station and terminal using the same method: In transmission in which MIMO is applied, there have been problems that the number of variable parameters increases and the number of information bits necessary for control channel increases. When the number of simultaneous multiplex users in one frame increases, there is also a problem of increased control channel information... Agent: Bingham Mccutchen LLP

20080159430 - Processing differentiated hierarchical modulation used in radio frequency communications: The present invention employs hierarchical modulation to simultaneously transmit data over different modulation layers using a carrier RF signal. Each modulation layer may be of a higher or lower order than the other modulation layers. Certain embodiments of the present invention may transmit different information on the different modulation layers.... Agent: Withrow & Terranova, P.l.l.c.

20080159432 - Communication protocol method and apparatus for a single wire device: The present invention is a noise tolerant communication protocol device and method where a clock signal input triggers ail internal delay clock in an integrated circuit. Data is presented to an input pin and sampled prior to the next external clock pulse based on the internal delay clock. A data... Agent: Schneck & Schneck

20080159433 - Information transmitting device: In an information transmitting device, a variable capacitor which is charged to have a predetermined voltage discharges through a predetermined resistor. Until the voltage becomes lower than a predetermined threshold voltage, the number of AC signals having a predetermined frequency is counted. Accordingly, first continuous amount information of a binary... Agent: Berenato, White & Stavish, Llc

20080159434 - Method of efficient techniques in an orthogonal frequency division multiplexing system with channel evaluation: A method of adaptive modulation in an OFDM system with channel evaluation with two types of adaptive transmission schemes that include several modulation schemes to achieve efficient transmission service. By evaluating channel environment, the methods select the proper modulation scheme among the BPSK, QPSK, 16QAM, and 64QAM. Therefore, the methods... Agent: Volpe And Koenig, P.c.

20080159435 - Predistortion correction loop-back based on high linearity and low linearity modes: A power amplifier pre-distortion calibration technique transmits two packets at different power levels for use in the calibration. As each packet is transmitted, it is received by the same device through a loop back path. The two received packets are then processed to develop the information needed to perform digital... Agent: The Law Offices Of John C. Scott, Llc C/o Intellevele, Llc

20080159436 - Apparatus and method for transmitting a sub-channel signal in a communication system using an orthogonal frequency division multiple access scheme: A method of allocating sub-channel signal interleaving patterns to BSs forming a wireless communication system that divides a frequency band into a plurality of sub-carriers and including a plurality of sub-channels, which are a set of predetermined adjacent sub-carriers. The method includes: creating a basic orthogonal sequence having a length... Agent: The Farrell Law Firm, P.c.

20080159437 - Pulse transmitters having multiple outputs in phase relationship and methods of operation: A transmitter provides a plurality of output signals. The transmitter includes a processor, a modulator, a first circuit, and a second circuit. The modulator provides a modulated signal responsive to the processor. The modulated signal includes an amplitude modulated radio frequency for transmitting a pulse. The first circuit provides a... Agent: Squire Sanders & Dempsey LLP

20080159438 - Methods and apparatus for multi-mode frequency shift keying: Methods and apparatus for signal transmission utilizing directly modulated frequency shift keying. Embodiments of the present invention provide a fractional (non-integer) N oscillator to directly modulate a baseband signal for transmission using a programmable digital raised cosine generator, providing a tunable Gaussian FSK transmitter.... Agent: Goodwin Procter LLP Patent Administrator

20080159439 - Wireless receiver with intermittent shut-off of rf circuits: A terminal for use in a wireless network includes a radio frequency (RF) receiver, which is configured to receive and downconvert a RF signal. The RF signal includes a sequence of downlink frames, each downlink frame including at least a map zone followed by a data zone. The map zone... Agent: Abelman, Frayne & Schwab

20080159440 - Method and apparatus for recognizing a change-of-state in communication signals of electronic circuits: A method for recognizing a valid change of state in a communication signal including capacitively coupled signals received by an input contact includes maintaining the input contact in a first state and an impedance of the first contact input in a first impedance level, validating that the communication signal sent... Agent: General Electric Co. Global Patent Operation

20080159441 - Method and apparatus for carry estimation of reduced-width multipliers: A low-error reduced-width multiplier is provided by the present invention. The multiplier can dynamically compensate the truncation error. The compensation value is derived by the dependencies among the multiplier partial products, and thus, can be analyzed according to the multiplication type and the multiplier input statistics.... Agent: Bucknam And Archer

20080159442 - Wireless communication apparatus and receiving method: A wireless communication apparatus receives an quadrature modulated signal, generate a local signal having a frequency different from a center frequency of the quadrature modulated signal, performs quadrature demodulation on the quadrature modulated signal by using the local signal, to obtain an I channel signal and a Q channel signal,... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080159443 - Phase synchronous device and method for generating phase synchronous signal: Disclosed are a phase synchronous device for improving jitter of an output signal and a method for generating a phase synchronous signal. The phase synchronous device includes a phase detector detecting a phase difference between first and second signals to output a phase detection signal and a locking signal; a... Agent: Ladas & Parry LLP

20080159444 - Receiver circuit and receiving method: Clock signals are supplied, with a phase shift of 1/n cycles between adjacent clock signals. A data acquisition unit acquires serial data at a timing of each of the clock signals. A phase detection unit detects the phase of the transition edge of the serial data using n bits of... Agent: Cantor Colburn, LLP

20080159445 - Viterbi-input auto scaling for packet-based system: A receiver in a wireless communication system scales received information to allow for improved decoder performance after bit reduction of the information. Mean values of the received information may be used to scale the information, with a plurality of mean values determined, each in a different way. Depending on types... Agent: Christie, Parker & Hale, LLP

20080159446 - Multi-channel receiver with improved agc: An improved multi-channel receiver for satellite broadcast applications or the like. In an exemplary embodiment, a primary AGC loop controls an analog sub-receiver adapted to simultaneously receive multiple signals. Multiple digital demodulators, coupled to the sub-receiver, demodulate the multiple received signals. Multiple secondary AGC loops, one for each received signal,... Agent: Mendelsohn & Associates, P.c.

20080159447 - Method and apparatus for reducing intra-device interference: A device (100) includes an AM generating circuit (106) which couples interference (132) into another part of the device (124). A second AM signal (304) is generated, having inverse modulation relative to the first AM signal, and is coupled to the affected part of the device to counteract the interference... Agent: Motorola, Inc

20080159449 - Methods and apparatuses for reducing inter-carrier interference in an ofdm system: An OFDM telecommunications system includes a transmitter and a receiver. The receiver includes a canceller configured to reduce inter-carrier interference (ICI) in an OFDM symbol in the frequency domain.... Agent: Qualcomm Incorporated

20080159451 - Receiver: A receiver for a telecommunication system, including a radio frequency unit connected to at least one antenna and configured to receive using a multitude of channels, and an estimator configured to estimate a first signal to interference and noise estimate dependent on a noise covariance matrix and channel vector, and... Agent: Harrington & Smith, Pc

20080159450 - Removal of matched waveform interference: Methods and systems of signal cancellation/separation for use in multi-signal communication environments are provided herein. Embodiments of the present invention use a feedback-optimized multi-signal multi-stage estimator with data-aided signal parameter estimation. Embodiments of the present invention require minimal information about the received signals and can be used to separate a... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20080159448 - System and method for crosstalk cancellation: System and method for canceling crosstalk in high-speed communications systems. An embodiment comprises precomputing channel pulse responses for a set of communications channels in a communications backplane, precomputing channel signal responses for the set of communications channels in the backplane with a training sequence, estimating noise coefficients using receiver training... Agent: Texas Instruments Incorporated

20080159452 - Parallel processing for single antenna interference cancellation: A system and method is disclosed for providing single antenna interference cancellation processing with minimum latency. Incoming data frames are processed to generate a plurality of parallel data streams which are then further processed using a parallel single antenna interference cancellation algorithm to reject the signals and to generate a... Agent: Hamilton & Terrile, LLP

20080159453 - Radio receiver: Various apparatuses and methods are described to reduce interference in signals subject to intermodulation products and high power narrow band interfering signals on lower power wideband signals. Apparatuses and methods described herein also provide the capability for supporting multi-standards, multi-modes and multi-bands in wireless and wired applications with a single... Agent: Blakely Sokoloff Taylor & Zafman

20080159455 - Method for estimating channel response in a wireless communications network based on pilot signals: The present invention discloses a method for estimating a channel response of data subcarriers in a wireless communications network. The method comprises estimating a first plurality of channel responses of pilot subcarriers carrying pilot signals at the time instance using pilot signals, generating a pseudo time instance for pilot subcarriers... Agent: L. Howard Chen Kirkpatrick & Lockhart Preston Gates Ellis, LLP

20080159454 - Network on chip device and on-chip data transmission device: An on-chip data transmission device. The on-chip data transmission device comprises a transmitter and a receiver. The transmitter transmits a control signal and a packet when a logic level of the control signal changes, wherein the logic level of the control signal changes every clock cycle, and the clock cycle... Agent: Joe Mckinney Muncy

20080159456 - Receiving apparatus, electromagnetic wave timepiece, receiving module and receiving method: A receiving apparatus includes: a receiver which receives a communication signal, transmitted from a base station by a predetermined communication method, which includes a pilot channel signal and a sync channel signal in which predetermined data strings continue periodically; a synchronizer which acquires synchronization information for communicating with the base... Agent: Harness, Dickey & Pierce, P.L.C

20080159457 - System and method for frequency synchronization in a wireless non-hierarchical network: The present disclosure relates generally to systems and methods for frequency synchronization in a non-hierarchical network. In one example, the method includes receiving, by a node in a wireless non-hierarchical network, frequency synchronization messages from other nodes. The method calculates an average frequency based on the frequency synchronization messages, calculates... Agent: Timothy F. Bliss

20080159458 - Apparatus and method for adaptive wireless channel estimation: Disclosed is an apparatus and method for adaptive wireless channel estimation. Once a packet is received, this invention analyzes channel interference index for a moving vehicle, and computes a first recursive parameter, a second recursive parameter and an interpolation number. Based on the first recursive parameter and the interpolation number,... Agent: Lin & Associates Intellectual Property, Inc.

20080159459 - Methods and apparatus to provide clock resynchronization in communication networks: Methods and apparatus to provide clock resynchronization in communication networks are disclosed. An example method of clock resynchronization disclosed herein comprises determining a vote based on adjacent samples occurring within a single bit interval in a sampled data stream, wherein the vote comprises an early vote when the adjacent samples... Agent: Texas Instruments Incorporated

20080159460 - Adjustment method, circuit, receiver circuit and transmission equipment of waveform equalization coefficient: In an adjustment method of waveform equalization coefficient, one of jitter and amplitude is measured only in a case of an arbitrary signal sequence and a waveform equalization coefficient is adjusted. Particularly, using a signal of received signals other than a 010 signal or a 101 signal, code inversion time... Agent: Antonelli, Terry, Stout & Kraus, LLP