Pulse or digital communications inventions 09/08

20080232431 - Electronic key system and method: An in-vehicle LF transmitter transmits a synchronization signal to an in-vehicle RF receiver and transmits LF data (response request) including a synchronization signal to a portable device. The portable device performs RF data output and DSSS process and transmits RF data (response) subjected to spread process. The in-vehicle RF receiver... Agent: Nixon & Vanderhye, PC

20080232430 - Wireless transceiver and method for use therewith: A wireless transceiver includes a first integrated circuit and a second integrated circuit. The first integrated circuit includes a memory module that stores a plurality of operational instructions for implementing a plurality of protocol layers of a wireless protocol, a processing module that executes the plurality of operational instructions, and... Agent: Toler Law Group

20080232432 - non-coherent transmission method for uplink control signals using a constant amplitude zero-autocorrelation sequence: In one embodiment of the instant invention, a non-coherent transmission method for uplink control signals is provided. The transmission methodology uses a constant amplitude zero-autocorrelation (CAZAC) sequence for relatively short control signal lengths. The methodology includes creating a CAZAC sequence, truncating the CAZAC sequence into a plurality of segments; and... Agent: Williams, Morgan & Amerson

20080232434 - Means for low probability of interception/detection underwater acoustic communications: A direct-sequence spread-spectrum communications method of de-spreading and decoding received data transmitted through an acoustic channel. A first code match filter is applied to received data to output a first code impulse response comprising a channel impulse response modulated by a pseudo-random number bit. A second code match filter is... Agent: Naval Research Laboratory Associate Counsel (patents)

20080232433 - System and method for short range communication using adaptive channel intervals: A system and method for data transmission on wireless discontinuous channels including a control/safety information (CSI) channel having a duty cycle, and a plurality of service channels. The system and method include: evaluating channel utilization of one or more of the channels; calculating an optimal CSI channel duty cycle responsive... Agent: Christie, Parker & Hale, LLP

20080232435 - Method and system for simulcasting: A method and system for simulcasting are provided. The method includes modulating a simulcast signal using 8-level modulation, increasing a spacing between signal pulses of the simulcast signal and spreading in time the signal pulses of the simulcast signal. The method further includes communicating a stretched modulated simulcast signal formed... Agent: Brian C. Oakes Tyco Electronics

20080232436 - Average power control of wireless transmission having a variable duty cycle: A method an apparatus for controlling a transmission signal power level of a transmitter is disclosed. The method includes receiving a root-mean-squared target power level. A duty cycle of a transmission signal is determined that indicates power on and power off periods over a predetermined sensing interval. A transmission signal... Agent: Tzero Patent Dept

20080232437 - Base station transmitter for mobile telecommunication system, method for that system: The present invention relates to a transmit diversity method of a mobile communication system and a base station transmitting apparatus using the same. A first code and a second code that is diversity-encoded from the first code are generated, and transmit symbols are spread with the first code and the... Agent: Cantor Colburn, LLP

20080232438 - 2d rake receiver for use in wireless communication systems: A 2D Rake receiver is proposed, comprising: a control module, for generating, according to a reference signal and the radio signals received by a plurality of antenna elements, the multipath information about the radio signals; a weight factor calculating unit, for calculating the corresponding weight factors of the received radio... Agent: Philips Intellectual Property & Standards

20080232439 - Adaptive equalizer for communication channels: Adaptive equalizers for a communication channel and corresponding methods of equalizing are described. The adaptive equalizer includes: a fixed pre-filter configured to be coupled to a received signal and provide a pre-filter signal; an adaptive filter coupled to and configured to compensate the pre-filter signal for changes in phase and... Agent: Law Office Of Charles W. Bethards, LLP

20080232440 - Chip blanking and processing in scdma to mitigate impulse and burst noise and/or distortion: A system for mitigating impairment in a communication system includes a delay block, a signal level block, a moving average window block, an impulse noise detection block, and a combiner. The delay block receives and delays each chip of a plurality of chips in a spreading interval. The signal level... Agent: Garlick Harrison & Markison

20080232441 - Method of processing a digital signal derived from an analog input signal of a gnss receiver, a gnss receiver base band circuit for carrying out the method and a gnss receiver: An acquisition unit of a GNSS receiver base band circuit comprises a correlator (40) with a correlator shift register (43) to which a correlation sequence derived from a basic sequence characteristic for a satellite is fed by a code generator (41). Each of the N=32 or more memory cells of... Agent: Oliff & Berridge, PLC

20080232442 - Method of transmitting data in a communication system: A method of processing a signal received at a node in a network, comprising the steps of; receiving the signal at the node; determining characteristics of a first part of the signal; determining characteristics of a second part of the signal that is subsequent to the first part of the... Agent: Hamilton, Brook, Smith & Reynolds, P.C.

20080232443 - Signal generating apparatus: A signal generating apparatus for generating a synthesized signal according to an input signal is provided. The signal generating apparatus includes a phase-locked loop device and a control unit. The phase-locked loop device has a phase/frequency detector for generating a detected signal according to a reference oscillating signal and a... Agent: North America Intellectual Property Corporation

20080232444 - Impulse noise management: Evaluation of the impact of impulse noise on a communication system can be utilized to determine how the system should be configured to adapt to impulse noise events. Moreover, the system allows for information regarding impulse noise events, such as length of the event, repetition period of the event and... Agent: Jason H. Vick Sheridan Ross, PC

20080232447 - Method and system for calibration in an fm transceiver system: Aspects of a method and system for calibration in an FM transceiver system may include: in an integrated FM system comprising an FM radio transmitter, an FM radio receiver and a common local oscillator, generating via the common local oscillator, one or more RF carrier signals and corresponding phase-shifted versions... Agent: Mcandrews Held & Malloy, Ltd

20080232446 - Method and system for matching an integrated fm system to an antenna utilizing on-chip measurement of reflected signals: Aspects of a method and system for matching an integrated FM system to an antenna utilizing on-chip measurement of reflected signals are provided. In this regard a portion of a signal output by an integrated FM radio transmit block and reflected by an antenna may be routed to an on-chip... Agent: Mcandrews Held & Malloy, Ltd

20080232448 - Method and system for optimizing an fm transmitter and fm receiver in a single chip fm transmitter and fm receiver system: Methods and systems for optimizing an FM transmitter and FM receiver in a single chip FM transmitter and receiver are disclosed and may include receiving an FM signal from each of multiple selected antenna configurations. The received signal strength obtained for each configuration may be measured and stored in a... Agent: Mcandrews Held & Malloy, Ltd

20080232445 - Multi-cell data processor: The exemplary embodiments of this invention provide a data processor having a processor engine composed of a plurality of processor cells, each cell including a local instruction memory and an instruction sequencer and being configured for selective connection with at least one adjacent cell enabling communication between cells. The processor... Agent: Harrington & Smith, PC

20080232449 - Efficient uplink feedback in a wireless communication system: A method for transmitting control information by transmitting a reference signal from a first transceiver to a second transceiver, in response to the reception of the reference signal, determining at the second transceiver a plurality of control channel elements based upon the received reference signal, jointly encoding the plurality of... Agent: Robert E. Bushnell

20080232450 - Method and apparatus for robust frequency equalization: In frequency equalization, a received signals goes through frequency transform, the transformed signal is divided by a frequency transform of a channel response a method for equalization. The method comprises the step of: adjusting a quotient of the division by a weight function, wherein the function varies under a set... Agent: Franklin (lin) Yang

20080232453 - Combining least squares and least mean squares algorithms to determine equalizer tap values: A method of operating an equalizer includes combining a Least Mean Squares (LMS) algorithm and a Least Squares (LS) algorithm to determine a set of equalizer tap values to be used in processing a signal. A channel impulse response (CIR) is computed, and an equalizer taps interval is then determined... Agent: Zoran Corporation C/o Darby & Darby PC

20080232451 - Method and apparatus for equalization of fast changing channels in a tds-ofdm system: A method for channel equalization is provided. The method comprises the steps of: subdividing a received symbol portion into segments wherein each segment is associated with a known, segmented channel characteristic among a set of segmented, known channel characteristics spanning the received symbol.... Agent: Franklin (lin) Yang

20080232452 - Parameterized filters and signaling techniques: Filter taps for filters are specified by filter coefficient parameters. The filter taps are greater in number than the coefficient parameters from which the filter taps are calculated. For example, two coefficient parameters are used to specify a four-tap filter. Filter information can be signaled in a bitstream, such as... Agent: Klarquist Sparkman LLP

20080232454 - Decision feedback equalization with fractionally-spaced feedback data: A decision feedback equalizer (DFE) architecture uses feedback samples that are over-sampled with respect to the symbol rate. On-baud feedback samples are quantized with a slicer, while off-baud samples are linear, IIR samples. Both forward and feedback filters are fractionally-spaced, but adapted only at the baud instances.... Agent: Perkins Coie LLP Patent-sea

20080232455 - Maximum likelihood decoder for pulse and amplitude position modulation multi-source system: The present invention concerns a sphere decoder for maximum likelihood receiver intended to receive M-PPM-M′-PAM symbols at M modulation positions and at M′ amplitude levels from a plurality P of sources. The sphere decoder uses a Schnorr-Euchner type enumeration adapted to classify the points of a multidimensional PPM-PAM modulation.... Agent: Thelen Reid Brown Raysman & Steiner LLP

20080232457 - Bandwidth sensitive data compression and decompression: Data compression and decompression methods for compressing and decompressing data based on an actual or expected throughput (bandwidth) of a system. In one embodiment, a controller tracks and monitors the throughput (data storage and retrieval) of a data compression system and generates control signals to enable/disable different compression algorithms when,... Agent: Ropes & Gray LLP

20080232456 - Encoding apparatus, encoding method, and computer readable storage medium storing program thereof: An encoding apparatus holds predetermined encoding conditions (sets of a sampling frequency and a bit rate) associated with predetermined ranges having consecutive possible amounts of free space in the storage 20. A set of a sampling frequency and a bit rate associated with a range corresponding to a current free... Agent: Katten Muchin Rosenman LLP

20080232458 - Method and system for video encoding using noise level estimates from vertical blanking interval tv lines: A system and method for video encoding using noise level estimates from vertical blanking interval lines. A video signal may be received by an encoding system. Information may be extracted from the video signal and may be analyzed. The extracted information may be vertical blanking intervals. The extracted and analyzed... Agent: Mcandrews Held & Malloy, Ltd

20080232462 - Method video encoding and decoding preserving cahe localities: The invention relates to a method for encoding/decoding a video stream including a plurality of images (A, B, C) in a video processing apparatus having a processing unit (11) coupled to a first memory (12), further comprising a second memory (13), comprising the steps: providing a subset of image data... Agent: Nxp, B.v. Nxp Intellectual Property Department

20080232461 - Multi-decoder and method: A multi-decoder includes a plurality of decoders for different types of coding, an output buffer which stores and outputs the decoded output signal output from the decoders, an output switcher which selectively outputs the decoded output signal of the output buffer, and a controller which determines a coding scheme of... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080232459 - System and method to control compressed video picture quality for a given average bit rate: Picture level rate control systems, apparatuses and methods are described which indirectly control bit rate through peak signal to noise ratio (PSNR), thereby providing a stable PSNR while maintaining a given target average bit rate. In a preferred implementation, encoding is performed in conjunction with macroblock QP modulation. In this... Agent: O'banion & Ritchey LLP/ Sony Electronics, Inc.

20080232460 - Video decoder with adaptive outputs: In one aspect, there is provided a video decoder including a first write port to write uncompressed video data to a first buffer in a first format adapted based on a format required by the video decoder. The video decoder also includes a second write port to write uncompressed video... Agent: Volpe And Koenig, P.C. Dept. Amd

20080232463 - Fast intra mode prediction for a video encoder: There are provided video encoders and corresponding methods for encoding video data for an image that is divisible into macroblocks. A video encoder includes an encoder for performing inta mode selection when encoding a current macroblock by testing a first subset of intra modes to compute a rate distortion cost,... Agent: Joseph J. Laks Thomson Licensing LLC

20080232464 - Transcoding system using encoding history information: The present invention provides a transcoder having a MPEG decoder and a MPEG encoder, for changing a GOP structure and the bit rate of an encoded bitstream obtained as a result of an encoding process. The MPEG encoder receives a past encoding parameters generated at a past encoding process as... Agent: Frommer Lawrence & Haug

20080232466 - Encoding parameter determination for a hybrid encoding scheme: A method for determining an order of values for an encoding parameter of a hybrid encoding scheme for each frame of a frame sequence for use for encoding the frame sequence by means of the hybrid encoding scheme is described. Using the hybrid encoding scheme, resulting distortions and compression rates... Agent: Schoppe, Zimmerman , Stockeller & Zinkler C/o Keating & Bennett , LLP

20080232465 - System and method of fast mpeg-4/avc quantization: A system and method for coding moving pictures according to MPEG-4/AVC is described which performs rapid quantization of the transformed residue signal is described. The system and method may employ a number of techniques, which may be considered separately or in combination, including: extreme macroblock (MB) analysis, pre-execution table generation,... Agent: O'banion & Ritchey LLP/ Sony Electronics, Inc.

20080232467 - Image decoding method: There is provided an image decoding method for decoding a picture to be decoded by referencing an appropriate picture even when random access reproduction is performed. The method includes: a first storage step (S100-S104) for successively decoding respective pictures contained in a stream and storing the pictures used for reference... Agent: Wenderoth, Lind & Ponack L.L.P.

20080232468 - Method and apparatus for adaptive gop structure determination: A video encoder, determining a Group of Picture (GOP) structure and a method thereof. The video encoder comprises an input frame buffer, an I-frame module and a P-frame module. The input frame buffer receives and stores input frames. The I-frame module coupled to the input frame buffer identifies an I-frame... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080232470 - Method of scalable video coding and the codec using the same: Since joint scalable video coding (JSVC) adopts a scheme in which numbers are assigned to all of the pictures according to the order in which the pictures are displayed, it is difficult to detect a drop (or loss) of a key picture and thus it is difficult to effectively take... Agent: Ladas & Parry LLP

20080232469 - Rate control for a multimedia compression and encoding system: A rate controller for allocating a bit budget for video frames to be encoded is disclosed. The rate controller of the present invention considers many different factors when determining the frame bit budget including: desired video quality, target bit rate, frame type (intra-frame or inter-frame), frame duration, intra-frame frequency, frame... Agent: Adeli & Tollen, LLP

20080232471 - Efficient implementation of h.264 4 by 4 intra prediction on a vliw processor: This invention is useful in video compression standards support a rich set of intra prediction modes. This invention a unique table creation and lookup approach to software pipeline the prediction process for all pixels within a block. The table stores constant data and pointer data into a neighbor pixel table.... Agent: Texas Instruments Incorporated

20080232472 - Method and apparatus for transmitting packet-based image frame: A method and apparatus for transmitting a packet-based image frame, the method including: dividing an input image into intra and inter prediction frames and encoding the intra and inter prediction frames; applying different error resilience algorithms to the intra and inter prediction frames; and performing forward error correction (FEC) on... Agent: Stein, Mcewen & Bui, LLP

20080232474 - Block matching algorithm operator and encoder using the same: Provided are a block matching algorithm (BMA) operator and an encoder, in which Sum of Absolute Differences (SAD) data is obtained by performing a BMA operation in a parallel manner, encoding in real time is performed using a search range of ±32 or more, and moving image data is compressed... Agent: Birch Stewart Kolasch & Birch

20080232473 - Method for encoding interlaced digital video data: Interlaced video can be encoded in two layers, base layer and enhancement layer. A method for optimizing the encoding of motion vectors for enhancement layer is proposed. It comprises defining various different ways to encode the motion vectors, estimate the coding costs for each way, and select the way with... Agent: Joseph J. Laks Thomson Licensing LLC

20080232475 - Video encoding and decoding: A method for encoding video with a two-dimensional (2D) transform separable to two one-dimensional (1D) transforms. The method receives an array of values for a sub-section of an image, performs a first 1D-transform of the array, transposes the resulting array, and performs a second 1D-transform of the array resulting from... Agent: Adeli & Tollen, LLP

20080232477 - Method and device for coding and decoding of video error resilience: The invention provides a coding/decoding method and device for video error resilience, the coding method includes the step of: acquiring a macroblock-based object ID information (S120-S160) , wherein, the object ID information is used to identify an object in which the macroblock locates; coding the object ID information into a... Agent: Philips Intellectual Property & Standards

20080232476 - Method for coding/decoding video data: The present invention relates to coding of SNR enhancement layer data produced during video signal encoding. The present method determines order or blocks in a picture according to a probability table that is obtained from frequencies of locations where non-zero data exists, scans and codes data on each block to... Agent: Fish & Richardson P.C.

20080232478 - Methods of performing error concealment for digital video: Error concealment is used to hide the effects of errors detected within digital video information. A complex error concealment mode decision is disclosed to determine whether spatial error concealment (SEC) or temporal error concealment (TEC) should be used. The error concealment mode decision system uses different methods depending on whether... Agent: Qualcomm Incorporated

20080232479 - Electronic device for the transport of numerical information: An electronic device designed to transport digital information (“0”, “1”) over long distances, including a transmitter generating current pulses and at least one assembly of receivers converting the received current pulses into logic pulses which are compatible with the operation of standard electronic logic circuits. Each receiver includes a pair... Agent: Burr & Brown

20080232480 - Receiver architectures for digital radio broadcasts and associated methods: Receiver architectures and related methods are disclosed for high definition (HD) and digital radio FM broadcast receivers. The radio receiver architectures are configured to utilize multiple analog-to-digital converters (ADCs) to handle the digital radio spectrum and can be configured to modify a target IF frequencies depending upon the mode of... Agent: O'keefe, Egan, Peterman & Enders LLP

20080232497 - Channel tracking in an ofdm wireless receiver: An apparatus and a method to track the channel response for subcarriers in an OFDM receiver for a packet of information that includes a known transmitted part. The receiver has a signal-to-tone transformer to determine subcarriers corresponding to a received packet. The method stores a function of an initial estimate... Agent: Dov Rosenfeld

20080232493 - Combined precoding vector switch and frequency switch transmit diversity for secondary synchronization channel in evolved utra: A method of providing transmit diversity for a secondary synchronization channel (S-SCH) includes generating a S-SCH signal, performing a frequency switched transmit diversity (FSTD) process on the S-SCH signal to create a first processed signal, performing a precoding vector switching (PVS) process on the first processed signal to create a... Agent: Volpe And Koenig, P.C. Dept. Icc

20080232496 - Device and method for compensating timing offset: A method and OFDM receiver for estimating timing offset. The method comprises the method of receiving OFDM data to calculate frequency offset between a transmitter carrier frequency and a receiver carrier frequency, the method of determining first timing offset based on the frequency offset, the method of compensating the OFDM... Agent: Birch Stewart Kolasch & Birch

20080232481 - Method and apparatus for channel interpolation in a tds-ofdm system or dvb t/h system: In an OFDM system, a method for interpolating comprising the steps of: subdividing at least one frame among a plurality of frames into segments; and using at least two known quantities to interpolate a corresponding estimate.... Agent: Frank F. Tian

20080232482 - Method and apparatus for constructing receiver diversity for ofdm signals: In an orthogonal frequency division multiplex (OFDM) communication system, a method at a receiver end is provided. The method comprises the steps of: providing a frame; providing a guard interval (GI) associated with the frame, the GI having a length in a time domain larger or longer than a channel... Agent: Franklin (lin) Yang

20080232483 - Method and apparatus for equalization of tds-ofdm signals: In an OFDM system having pseudo-noise (PN) sequences as guard intervals, a method for channel estimation and equalization is provided. The method comprising the steps of: providing a frequency equalization scheme; providing a time domain filter; and combining the frequency equalization with time-domain filter, thereby a time lag effect is... Agent: Frank F. Tian

20080232484 - Method and apparatus for improved estimation of selective channels in an ofdma system with dedicated pilot tones: The present disclosure provides a method and apparatus of channel estimation for a wireless communication system. Dedicated pilot symbols transmitted over at least one time-frequency region for at least one user are received. Channel parameters are estimated for the at least one time-frequency region based on the received dedicated pilot... Agent: Qualcomm Incorporated

20080232492 - Method and apparatus for providing channel quality and precoding metric feedback in an orthogonal frequency division multiplexing communication system: An Orthogonal Frequency Division Multiplexing communication system, wherein a frequency bandwidth is divided into one or more Resource Blocks Groups (RBGs) each having one or more Resource Blocks, provides for feedback of channel quality information and precoding metrics for a same at least one RBG of the one or more... Agent: Motorola, Inc.

20080232485 - Method and system for improved power loading by steering and power loading the preamble in beamforming wireless communication systems: A power-loading process for wireless communications is provided. The power-loading process includes parsing data into multiple spatial data streams, beam-steering the spatial data streams and a preamble with both a power loading level and channel eigenvalues, for transmission over a plurality of transmission antennas at a wireless transmitter. The process... Agent: Kenneth L. Sherman, Esq. Myers Dawes Andras & Sherman, LLP

20080232495 - Method for mapping physical downlink control channel to resources and apparatus for transmitting/receiving the mapped physical downlink control channel in a wireless communication system: A method for mapping a Physical Downlink Control Channel (PDCCH) to resources and an apparatus for transmitting/receiving the mapped PDCCH in a wireless communication system are provided, in which if at least one PDCCH is scheduled to be transmitted in a subframe according to a predetermined scheduling scheme, the PDCCHs... Agent: The Farrell Law Firm, P.C.

20080232494 - Mimo wireless communication method and apparatus for transmitting and decoding resource block structures based on a dedicated reference signal mode: The transmission and decoding of resource blocks (RBs) transmitted via a multiple-input multiple-output (MIMO) antenna having a plurality of transmit antennas is disclosed. Each RB includes a plurality of resource elements (REs). Each RE is reserved for one of a common reference signal (CRS) associated with one of the transmit... Agent: Volpe And Koenig, P.C. Dept. Icc

20080232489 - Spatial interleaver for mimo wireless communication systems: A method for transmission is provided to include demultiplexing information to be transmitted into a plurality of stream blocks, encoding each of the stream blocks according to a corresponding coding scheme to generate a plurality of encoded streams, interleaving the plurality of encoded streams in a bit-level to generate a... Agent: Robert E. Bushnell

20080232487 - Synchronous spectrum sharing by dedicated networks using ofdm/ofdma signaling: A system and method for synchronous spectrum sharing for a dedicated network in a wireless communication system based on orthogonal frequency-division multiplexing (OFDM) or orthogonal frequency division multiple access (OFDMA) signaling is disclosed. The system and method includes detecting a frame of a broadcast waveform and extracting idle spectrum information... Agent: Docket Clerk

20080232490 - System and method for incorporating dynamic orthogonal frequency-division multiplexing into wireless network protocols: A method for incorporating dynamic orthogonal frequency-division multiplexing (“OFDM”) in wireless networks is provided. Information about a wireless channel between a transmitter and one or more receivers communicating according to a wireless protocol is acquired. Dynamic OFDM allocations are generated based on the acquired information about the wireless channel. The... Agent: Cooley Godward Kronish LLP Attn: Patent Group

20080232486 - Systems and methods for extending zadoff-chu sequences to a non-prime number length to minimize average correlation: A method for mapping a reference signal is described. A reference signal with a first length is provided. A sequence with a second length is selected, wherein the second length is a prime number. The sequence is extended to a third length using an extension that is uniformly distributed over... Agent: Madson & Austin

20080232488 - Wireless communications apparatus and method: Detection of information on an OFDM signal involves channel estimation. Following an initial channel estimate, it is desirable to perform smoothing or filtering to achieve a more effective channel estimate. A filter is described which is operable to smooth an initial estimate for a subcarrier by reference to one or... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080232491 - Systems and methods for low-complexity mimo detection with analytical leaf-node prediction: 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 by optimizing a predetermined probability, and analytically generating at least one parameter to output,... Agent: Texas Instruments Incorporated

20080232499 - Method of approximating log-likelihood ratios in qam digital transmissions and relative qam soft-output de-mapper: Log-likelihood ratios are approximated for encoded bits modulated with a 2m-ary QAM constellation. Each symbol of the constellation is identified by a respective string of m bits. The log-likelihood ratio of each bit of the m bits is approximated with a product λ of a respective factor by a respective... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20080232498 - Radio receiver or transmitter and method for reducing an iq gain imbalance: A radio receiver includes an in-phase channel and a quadrature channel, the channels being provided in parallel at a respective input with quadrature modulated radio frequency signals; and an error correction loop for detecting and correcting an imbalance in gain between at least part of the in-phase channel and a... Agent: Morgan & Finnegan, L.L.P.

20080232500 - Soft output sphere decoding method: Provided is a soft output sphere decoding method for a MIMO system. The soft output sphere decoding method includes the steps of: detecting a maximum likelihood symbol nearest to a receiving signal; calculating a lattice point nearest to the receiving signal and having a symbol bit opposite to the detected... Agent: Cantor Colburn, LLP

20080232505 - Frequency-domain method for joint equalization and decoding of space-time block codes: Space-time block coding is combined with single-carrier, minimum-mean-square-error, frequency-domain equalization for wireless communication through a medium characterized by multi-paths. The transmitter encodes incoming symbols into two or more streams that are transmitted over a corresponding number of transmitting antennas. The encoding employs modulo arithmetic. Decoding in the receiver proceeds by... Agent: At&t Corp.

20080232502 - Method for determining mimo transmission techniques, base station and mobile terminal: The present invention relates to a method for determining the appropriate combination of at least two MIMO transmission techniques for a radio link in between a transmitter (10) and a receiver (20). The MIMO transmission techniques use at least two antennas (12, 14, 16, 18) with at least two polarizations.... Agent: Sughrue Mion, PLLC

20080232504 - Methods and systems for ofdm multiple zone partitioning: Aspects of the invention include methods and devices for inserting data and pilot symbols into Orthogonal Frequency Division Multiplexing (OFDM) frames having a time domain and a frequency domain. A method involves inserting in at least one zone of a first type a two dimensional array of data and pilot... Agent: Smart & Biggar P.o. Box 2999, Station D

20080232501 - Static and differential precoding codebook for mimo systems: Systems and methods are disclosed to generate a codebook for channel state information by generating a random codebook; partitioning channel state information into a set of nearest neighbors for each codebook entry based on a distance metric; and updating the codebook by finding a centroid for each partition.... Agent: Nec Laboratories America, Inc.

20080232503 - Variable codebook for mimo system: A MIMO wireless communication system employing a variable size preceding codebook is provided. The size of the codebook may be determined by the quality of the wireless transmission channel between a transmitter and a receiver associated with the MIMO wireless communication systems or some other codebook selection criteria. A larger... Agent: Marshall, Gerstein & Borun, LLP (marvell)

20080232507 - Method and system for simultaneous fm transmission and fm reception using a shared antenna and an integrated local oscillator generator: Certain aspects of a method and system for simultaneous FM transmission and FM reception using a shared antenna and an integrated local oscillator generator may be disclosed. In a chip that handles communication of Bluetooth signals and FM signals, a clock signal may be generated at a particular frequency to... Agent: Mcandrews Held & Malloy, Ltd

20080232508 - Method of transmitting data in a communication system: A method of encoding a signal to be transmitted from a terminal via a channel in a communication network includes receiving the signal at the terminal; determining characteristics of the channel; encoding a first portion of the signal in accordance with a first encoding method to produce a first encoded... Agent: Hamilton, Brook, Smith & Reynolds, P.C.

20080232506 - Reception device, transmission device, and radio system: A transmitter using a plurality of pulse signals having different pulse sequence times, a receiver for steadily demodulating pulse signals of only desirable wave, and a wireless system are disclosed. In the transmitter, a control signal generating circuit outputs a control signal for generating a plurality of pulse signals having... Agent: Pearne & Gordon LLP

20080232509 - Interference suppression in bit-serial data streams: Described is an apparatus for suppressing spurious spectral lines in a frame based bit-serial data stream, in which frames include payload data and frame markers. The apparatus includes means (16) for randomizing first frame marker elements (START) in a first position within each frame and means (18) for correlating second... Agent: Ericsson Inc.

20080232510 - Bit-operated rearrangement diversity for aico mapping: Transmit diversity system in which constellation rearrangement is used. Both diversity signals contain the same data and both are 16-QAM, but the location of the data bits within the constellation is different. This averages the effect of the different levels of reliability of the different constellation points. A method for... Agent: Dickinson Wright PLLC

20080232511 - Combined mixer and polyphase decimator: Some embodiments discussed relate to an apparatus and method for processing signals, comprising receiving an input signal and forming a stream of digital samples of the input signal by sampling at a sampling frequency and mixing the stream of digital samples using a mixer sequence having a sine sequence and... Agent: Schwegman, Lundberg & Woessner / Infineon

20080232512 - Method and system for blocker and/or leakage signal rejection by dc bias cancellation: Methods and systems for blocker and/or leakage signal rejection by DC bias cancellation are disclosed and may include undersampling a received signal including a desired signal and an undesired signal. A biasing current in the wireless system may be utilized to reduce a measured DC signal generated by the undersampling... Agent: Mcandrews Held & Malloy, Ltd

20080232513 - Apparatus and method for preamble detection and integer carrier frequency offset estimation: This invention provides an apparatus and method for preamble detection and integer carrier frequency offset estimation, which method comprises the steps of: determining the window of useful subcarriers in preamble transformed to frequency domain based on pre-determined possible integer carrier frequency offset and the length of the preamble, so as... Agent: Katten Muchin Rosenman LLP

20080232514 - Gps signal acquisition circuit: A GPS signal acquisition circuit includes a correlation engine, a decimator, a coherent integrator and an incoherent integrator. An over sampled GPS signal is fed into and processed by the correlation engine. The processed signal is sent to the decimator. The decimator generates an output for every M input from... Agent: Cooper & Dunham, LLP

20080232515 - Method and apparatus for generating training sequence codes in a communication system: A method and apparatus for generating training sequence codes in a communication system. In the method, a pair of sequences A and B having cross-correlation properties as well as autocorrelation properties are generated, and protection sequences A′ and B′ are generated by copying last L symbols of the sequences A... Agent: The Farrell Law Firm, P.C.

20080232516 - Method of frequency offset compensation: The present invention provides a method of processing a baseband signal including user signals transmitted by a plurality of users. The method includes applying frequency offset compensations to the baseband signal, thereby to form respective frequency-shifted baseband signals. Each frequency compensation shifts the baseband signal by a multiple of a... Agent: Williams, Morgan & Amerson

20080232517 - Radio communications system, receiver and receiving method: A mobile station obtains information indicating a system band to be employed from a base station before starting a process of identifying a base station ID. In the identification process, the mobile station obtains a cross-correlation value by coherent integration of pilot signals and scrambling codes which may be candidates... Agent: Frishauf, Holtz, Goodman & Chick, PC

20080232518 - Apparatus and method for automatic gain control of mobile station in ofdm system: The present invention relates to an automatic gain control apparatus and method of a mobile station in an OFDM system. The present invention includes: identifying a preamble section and a data symbol section in a received frame signal; when a current symbol is the preamble section, measuring a power value... Agent: JeffersonIPLaw, LLP

20080232519 - Method and apparatus for compensating channel changes for fast fading channels: A method for compensating channel changes in an OFDM system is provided. The method comprises the steps of: providing at least two PN sequences; and using the parameters of the at least two PN sequences for determining a set of compensated values of data disposed between the at least two... Agent: Frank F. Tian

20080232520 - Method and apparatus for eye-opening based optimization: m

20080232521 - Method of transmitting data in a communication system: A method of transmitting over a network a signal comprising a plurality of data elements the method comprising; receiving the signal at a terminal; determining a transmission delay of at least one data element; estimating a first component of the transmission delay; determining a second component of the transmission delay... Agent: Hamilton, Brook, Smith & Reynolds, P.C.

20080232524 - Jitter-tolerance-enhanced cdr using a gdco-based phase detector: An embodiment of a clock and data recovery circuit comprising a first clock and data recovery circuit with high bandwidth and a second clock and data recovery circuit with low bandwidth is disclosed. The first clock and data recovery circuit with high bandwidth receives a data signal and a reference... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080232522 - Method and system for integration of bluetooth and fm local oscillator generation into a single unit using a ddfs: Certain aspects of a method and system for integration of Bluetooth and FM local oscillator generation in a single unit using a direct digital frequency synthesizer (DDFS) may be disclosed. Aspects of the method may include generating a clock signal at a particular frequency in a chip that handles communication... Agent: Mcandrews Held & Malloy, Ltd

20080232523 - Method and system for mixing a plurality of audio sources in an fm transmitter: A plurality of digital audio signals from a plurality of sources utilizing different clocks may be processed and transmitted via an FM transmitter. The plurality of signals may have different sample rates which are converted to one same sample rate by a plurality of rate adapters. The plurality of rate... Agent: Mcandrews Held & Malloy, Ltd

20080232525 - Network system and audio signal processor: An audio network system that performs transport of audio signals among nodes by cascading a plurality of nodes each including two sets of transmission I/Fs and reception I/Fs, and circulating among the nodes in each fixed period an audio transport frame generated by a master node, the audio transport frame... Agent: Morrison & Foerster, LLP

20080232526 - Digital signal processing employing a clock frequency which is always a constant integer multiple of the fundamental frequency of an input analog signal: A method and apparatus are disclosed for clocking a DSP at a frequency which is always a constant integer multiple of the fundamental frequency of the input analog signal. This invention applies in situations where the analog signal exhibits certain characteristics in which a fixed clock frequency is not desired,... Agent: Leonard Tachner, A Professional Law Corporation

20080232527 - Synchronous network device: A physical layer device comprises a first port that embeds a first clock into data transmitted over a first physical medium; a second port that embeds a second clock into data transmitted over a second physical medium; a first selection module that outputs the first clock to the first port... Agent: Harness, Dickey & Pierce P.L.C

20080232528 - Systems and methods for detecting a specific timing from a synchronization channel: A method for detecting a specific timing from a synchronization channel is described. A signal with a known sequence is received. Two or more correlation values between the received signal and the known sequence are calculated at two or more positions. The two or more correlation values are compared. A... Agent: Madson & Austin

20080232529 - Communication system: To obtain a frame synchronization device and a frame synchronization method capable of preventing a malfunction when a frame is synchronized by using a frame synchronization pattern varying sequentially. A bit serial signal at every frame is transmitted sequentially in a shift register composed of flip-flop circuits. When a bit... Agent: Nec Corporation Of America

20080232530 - Altering power consumption in communication links based on measured noise: A method, circuit and system for altering the power consumption in communication links. A type of noise and an amount of jitter in a signal transmitted across a communication link is measured. Upon determining the contribution of the measured noise to the measured jitter in the signal, the measured noise... Agent: Robert A. Voigt, Jr. Winstead Sechrest & Minick PC

20080232531 - Multi-channel timing recovery system: The present invention, in particular embodiments, is directed to methods, apparatuses and systems that provide global timing error information derived from timing error information of each data channel. This is achieved, in part, by summing the timing error information from all the data channels and integrating and scaling the resulting... Agent: Law Office Of Mark J. Spolyar

20080225927 - Transmission method: In a transmission method of the present invention, when transmitting an information bit from a transmitter to a receiver, an encoder of the transmitter firstly inputs and encodes the information bit, and a modulator then modulates the encoded information bit to create a modulation symbol. A spreader spreads the obtained... Agent: Morgan Lewis & Bockius LLP

20080225928 - Pseudorandom noise code acquisition in direct sequence spread spectrum systems: A method for receiving spread spectrum signals and for initial code acquisition from the received signals comprises de-spreading the received signals, based on code phase synchronization, to produce a de-spread signal; and performing a modulation detection based on a change of time-domain characteristic of the de-spread signal.... Agent: Agilent Technologies Inc.

20080225929 - Closed form calculation of temporal equalizer weights used in a repeater transmitter leakage cancellation system: A repeater environment is provided to operatively deploy a feedback cancellation loop that performs closed loop calculations for weights used by a feedback equalizer to improve signal integrity and amplification. In an illustrative implementation, an exemplary repeater environment comprises a transmitter, a receiver, an equalized feedback cancellation loop circuitry operative... Agent: Qualcomm Incorporated

20080225930 - Use of a filterbank in an adaptive on-channel repeater utilizing adaptive antenna arrays: A repeater environment is provided operative to deploy a feedback cancellation loop that is adaptively coupled with an antenna array such that a selected metric can be derived by deploying a selected filter bank operative to process the signal on a bin by bin basis and the derived metric can... Agent: Qualcomm Incorporated

20080225931 - Use of adaptive antenna array in conjunction with an on-channel repeater to improve signal quality: A repeater environment is provided to deploy a feedback cancellation loop that is adaptively coupled with an antenna array such that a selected metric can be derived by deploying a one or more of selected metrics (e.g., composite metrics) comprising a selected filter bank operative to process the signal on... Agent: Qualcomm Incorporated

20080225932 - Date transmission device: A data transmission device for sending back data on a reflected wave of an unmodulated carrier, the data transmission device includes: an antenna adapted to receive an unmodulated carrier Fo from a data reader with which data is to be exchanged and send a reflected wave of the unmodulated carrier... Agent: Bell, Boyd & Lloyd, LLP

20080225933 - Protocol-agnostic automatic rate negotiation for high-speed serial interface in a programmable logic device: Automatic rate negotiation logic for a high speed serial interface in a programmable logic device determines whether multiple occurrences of a single-bit transition (i.e., a data transition from “0” to “1” to “0” or from “1” to “0” to “1”) occur within a predetermined time interval on a data channel... Agent: Ropes & Gray LLP

20080225934 - Method for determining a corrected variance representative of the condition of reception of signals representative of symbols: t

20080225935 - Method and architecture for digital pulse shaping and rate conversion: A method and architecture for pulse shaping are provided. The architecture includes a pulse shaping filter having a plurality of memory elements and a plurality of taps connected to the plurality of memory elements wherein a total number of the plurality of taps is independent of a sampling rate. The... Agent: Brian C. Oakes Tyco Electronics

20080225936 - Frequency domain equalization for time varying channels: Systems and methods for a wireless communication system are provided. The method includes estimating a time-variation of a channel through which the wireless communication system transmits. This also includes decreasing the estimated time-variation of the channel from a signal transmitted by the wireless communications system.... Agent: Qualcomm Incorporated

20080225937 - Method and system of providing a high speed tomlinson-harashima precoder: Herein described are at least a method and a system for implementing a high speed Tomlinson-Harashima Precoder. The method comprises using an L-tap transpose configuration of a Tomlinson-Harashima Precoder and processing a first discrete time sampled sequence using said L coefficients and L state variables by clocking the L-tap Tomlinson-Harashima... Agent: Mcandrews Held & Malloy, Ltd

20080225938 - Digital pulse frequency/pulse amplitude (dpfm/dpam) controller for low-power switching-power supplies: A digital controller for dc-dc switching converters can operate under light load conditions. The controller can be suitable for the use in switch-mode power supplies providing regulated output voltage for handheld devices and other low-power electronics. To create long time intervals, compared to the propagation time of digital logic a... Agent: Fliesler Meyer LLP

20080225942 - Contents reproducing apparatus: A contents reproducing apparatus includes a receiving unit configured to receive a first packet having an ES in which encoded video or audio data is stored, and a second packet having the ES and a PCR, a counter configured to count a STC and output the counted STC as a... Agent: Frishauf, Holtz, Goodman & Chick, PC

20080225940 - Digital video apparatus and method thereof for video playing and recording: A digital video apparatus and method thereof are disclosed. The digital video apparatus includes: a first decoder, for receiving an input video signal and decoding the input video signal to generate a transformed video signal; a processor, for processing the transformed video signal, and accessing the transformed video signal in... Agent: North America Intellectual Property Corporation

20080225941 - Moving picture converting apparatus, moving picture transmitting apparatus, and methods of controlling same: Moving-picture-with-audio data suitable for reproduction at a terminal device is generated rapidly. Image data, which represents a moving picture from which audio has been removed, and audio data are extracted from moving-picture-with-audio data by an image extracting unit and audio extracting unit. The items of extracted image data and audio... Agent: Birch Stewart Kolasch & Birch

20080225939 - Multifunctional video encoding circuit system: The present invention discloses a multifunctional video encoding circuit system capable of performing six types of operations: addition, subtraction, multiplication, multiply-accumulation, interpolation, and absolute difference summation. A partial product generation part, a partial product reduction part and an accumulation part of the circuit system are equipped with a virtual power... Agent: Schmeiser, Olsen & Watts

20080225943 - Single pass variable bit rate control strategy and encoder for processing a video frame of a sequence of video frames: An encode control strategy is provided for variable bit rate encoding of a sequence of video frames in a single pass. The control strategy includes determining whether a video frame has a complexity level statistically outside a defined range from a complexity level of at least one preceding frame of... Agent: Ibm Corporation Department 417

20080225944 - Allocation of available bits to represent different portions of video frames captured in a sequence: A technique of encoding video frames allocates an available number of bits to different portions of the video frame. A processing unit identifies a region of interest (ROI) in a video frame, and computes a first and second complexity parameter respectively representing the change in video information in the ROI... Agent: Nvidia C/o Murabito, Hao & Barnes LLP

20080225945 - Constant-quality rate control system and algorithm for regions of interest: A constant-quality rate control system and algorithm for multiple encoders with a single video source are disclosed. The system comprises a base encoder, a region of interest (ROI) detector, and at least one ROI encoder. The base encoder encodes a base video sequence which is a down-sampled version of a... Agent: Rosenberg, Klein & Lee

20080225946 - Error concealment technique using weighted prediction: A decoder (10) conceals errors in a coded image comprised of a stream of macroblocks by examining each macroblock for pixel errors. If such errors exist, then each of at least two macroblocks pictures from each of two different pictures are weighted to yield a weighted prediction (WP) for estimating... Agent: Joseph J. Laks Thomson Licensing LLC

20080225948 - Method of data reuse for motion estimation: A so-called inter-macroblock parallelism is proposed for motion estimation. First, pixel data of one of the consecutive candidate blocks in an overlapped region of search windows of current blocks in a reference frame including reference blocks corresponding to the current blocks are read and transferred to a plurality of processing... Agent: Wpat, PC Intellectual Property Attorneys

20080225947 - Quantization for hybrid video coding: Method for coding a video signal using hybrid coding, comprising: reducing temporal redundancy by block based motion compensated prediction in order to establish a prediction error signal; performing quantization samples of the prediction error signal or on coefficients resulting from a transformation of the prediction error signal into the frequency... Agent: Akerman Senterfitt

20080225949 - Video encoding method, video decoding method, video encoding apparatus, video decoding apparatus, video encoding program, and video decoding program: A video processing system is provided with video encoding apparatus 1 and video decoding apparatus 2. The encoding apparatus 1 outputs a maximum delay time that is incurred by backward prediction, in addition to encoded data D1 resulting from encoding of video data D0. The decoding apparatus 2 effects input... Agent: Brinks Hofer Gilson & Lione

20080225950 - Scalable architecture for video codecs: In one embodiment, a method for parallel processing of blocks in a decoding process is provided. A plurality of blocks for a picture is received. The picture may have the plurality of blocks arranged in a first order. The blocks in the plurality of blocks may be pre-processed to determine... Agent: Trellis Intellectual Property Law Group, PC

20080225952 - System and method for providing improved residual prediction for spatial scalability in video coding: A system and method for providing improved residual prediction for spatial scalability in video coding. In order to prevent visual artifacts in residual prediction in extended spatial scalability (ESS), each enhancement layer macroblock is checked to determine if the macroblock satisfies a number of conditions. If the conditions are met... Agent: Foley & Lardner LLP

20080225951 - Video processing system and device with encoding and decoding modes and method for use therewith: A video processing device operates in an encoding mode when a mode selection signal has a first value and operates in a decoding mode when the mode selection signal has a second value. The encoding mode utilizes a plurality of function specific hardware engines that each perform a specific coding... Agent: Garlick Harrison & Markison

20080225953 - Bandwidth adaptive stream selection: An apparatus and corresponding method are provided for selecting one of several alternate input streams for transmission, the method including determining bandwidth requirements for each of the alternate input streams, measuring bandwidth currently available for transmission, and selecting for transmission one of the alternate input streams that has the highest... Agent: F. Chau & Associates, LLC

20080225954 - Image decoding apparatus and image decoding method: The invention includes: a bitstream updating output unit configured to receive a bitstream and update a syntax element located at a beginning of the bitstream according to a code length thereof and outputs the syntax element; a bitstream decoding unit configured to decode, in response to a decode request, a... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080225955 - System and method for video encoding and decoding: A video coding method comprises dividing a coefficient vector into two or more sub-vectors, each sub-vector having a length less than or equal to a length of the coefficient vector, indicating a size of each sub-vector and a position of each sub-vector within the coefficient vector, and forming a block... Agent: Foley & Lardner LLP

20080225957 - 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: Murabito Hao & Barnes LLP Third Floor

20080225956 - Picture decoding device and method: A picture decoding device (100) comprises a decoding unit (30), a frame memory (40), a deblocking filter (50), a macro block memory (60), and a control unit (70). The macro block memory (60) stores an unfiltered picture data, for which deblock-filtering is not performed, of the macro blocks adjoining a... Agent: Wenderoth, Lind & Ponack L.L.P.

20080225958 - Method and apparatus for decoding data in receiver of a digital broadcasting system: An apparatus and method for decoding data in a digital broadcasting receiver are disclosed, in which first payload data obtained by RS decoding of input RS packet data is buffered in a first buffer, packet data failed in the RS decoding is buffered in a second buffer, an erasure RS... Agent: The Farrell Law Firm, P.C.

20080225959 - Method and system for multiple pass video coding: A real-time MPEG video coding system with information look-ahead for constant bit rate (CBR) applications, such as, for example, Video-on-Demand (VoD) over ADSL. This scheme employs two MPEG encoders. The second encoder has a buffer to delay the input by an amount of time relative to the first encoder to... Agent: Scully, Scott, Murphy & Presser, P.C.

20080225960 - Generalized reference signaling scheme for mu-mimo using arbitrarily precoded reference signals: A multi-user MIMO downlink beamforming system (200) is provided to enable transmit beamforming vectors to be efficiently provided to a subset of user equipment devices (201.i), where spatial separation or zero-forcing transmit beamformers (wi) are computed at the base station (210) and used to generate precoded reference signals (216). The... Agent: Hamilton & Terrile, LLP

20080225964 - Apparatus and method for transmitting and receiving forward shared control channel in a mobile communication system: A method is provided for transmitting a downlink shared control channel including a control signal necessary for restoring a transmission data signal in a mobile communication system that transmits a data signal using multiple antennas. It is determined whether the transmission data signal is coded with two or more codewords... Agent: The Farrell Law Firm, P.C.

20080225970 - Apparatus and method for transmitting/receiving a signal in a mimo mobile communication system: Disclosed is a method to transmit a signal in a Multiple Input Multiple Output (MIMO) mobile communication system. The method includes determining a Hybrid Automatic Repeat reQuest (HARQ) scheme to be used for a transmission signal; determining a MIMO scheme to be used for the transmission signal in accordance with... Agent: The Farrell Law Firm, P.C.

20080225961 - Apparatus and method to estimate sampling offset: A sampling offset estimation apparatus including a pilot sub-carrier refiner, an information sub-carrier refiner, a data sub-carrier refiner, and a sampling offset estimator. The pilot sub-carrier refiner to refine a pilot sub-carrier extracted from a differential demodulated signal, and to generate a reference pilot sub-carrier. The information sub-carrier refiner to... Agent: Stanzione & Kim, LLP

20080225962 - Apparatus for generating precoding matrix codebook for mimo system and method of the same: An apparatus for generating a precoding matrix codebook includes a matrix group generator to generate a first group of unitary matrices based on a vector-based codebook for precoding of a multiple input multiple output (MIMO) communication scheme; a matrix group extender to extend the first group of unitary matrices to... Agent: Stein, Mcewen & Bui, LLP

20080225969 - Method and apparatus for adaptive pn length for tds-ofdm in transmission: In a TDS-OFDM system, a method for transmission is provided. The method comprises the step of: adjusting a PN sequence length, whereby a required performance is maintained. The adjusting step comprises increasing, decreasing, or keep unchanging the PN sequence length.... Agent: Frank F. Tian

20080225966 - Method and apparatus for improving mimo operation in a wireless communications system: In order to improve Multi-input Multi-Output (MIMO) operation, the present invention provides a method of improving MIMO operation for a user equipment (UE) in a wireless communications system. The method includes receiving a first value according to a number of hybrid automatic repeat request (HARQ) processes in a HARQ procedure... Agent: North America Intellectual Property Corporation

20080225968 - Method and apparatus for mimo channel estimation using tds-ofdm in downlink transmission in the frequency domain: In an orthogonal frequency division multiplexing (OFDM) multiple-input multiple-output (MIMO) wireless communication system where both a transmitter and a receiver include a plurality of antennas, a method comprising the steps of: a receiver using at least one pseudo noise (PN) to associate desired information relating to a received symbol; and... Agent: Frank F. Tian

20080225967 - Method and apparatus for mimo channel estimation using tds-ofdm in downlink transmission in the time domain: In an orthogonal frequency division multiplexing (OFDM) multiple-input multiple-output (MIMO) wireless communication system, a method is provided. In the OFDM MIMO wireless communication system, both a transmitter and a receiver include a plurality of antennas. The method comprising the step of: a receiver using at least one pseudo noise (PN)... Agent: Frank F. Tian

20080225972 - Method and system for partitioning an antenna array and applying multiple-input-multiple-output and beamforming mechanisms: A system and method are provided for configuring an antenna array having a predetermined number of antennas. After providing an antenna correlation matrix for all antennas with regard to a mobile terminal, the antenna array is virtually partitioned into two or more sub-arrays based on the antenna correlation matrix such... Agent: Edell, Shapiro & Finnan, LLC

20080225965 - Methods and apparatus to improve performance and enable fast decoding of transmissions with multiple code blocks: s

20080225971 - Multiple band multiple input multiple output transceiver: A MIMO transceiver integrated circuit (IC) includes a plurality of multiple band direct conversion transmitter sections, a plurality of multiple band direct conversion receiver sections, and a local oscillation generation module. Each of the plurality of multiple band direct conversion transmitter sections includes a transmit baseband module and a multiple... Agent: Garlick Harrison & Markison

20080225963 - Ultra-wideband communication systems and methods: Systems and methods of ultra-wideband communication are provided. In one embodiment, an ultra-wideband communication system divides a stream of data conveying symbols into a plurality of unspread substreams. A common spreading code is generated at the ultra-wideband transmitter, and each of the unspread substreams are spread using the common spreading... Agent: Pulse-link, Inc.

20080225973 - Device and method for determining a constellation of a quadrature amplitude modulated signal: The invention relates to a method and/or a device for determining a constellation from a plurality of possible constellations with a constellation identification device which is used to determine the constellation of the signal from a plurality of possible constellations. This is advantageously achieved when a converter is arranged to... Agent: Maginot, Moore & Beck Chase Tower

20080225974 - Max-log receiver for multiple-input multiple-output (mimo) systems: A method includes the steps of i) listing out all possibilities for a first symbol of a two stream signal; ii) determining a second symbol of the two stream signal for each of the first symbol listed out, iii) evaluating a metric for each of the first symbol and second... Agent: Nec Laboratories America, Inc.

20080225977 - Method and apparatus for mimo channel estimation in a tds-ofdm system downlink using a sub-space algorithm in the frequency domain: In an orthogonal frequency division multiplexing (OFDM) multiple-input multiple-output (MIMO) wireless communication system, a method is provided for channel estimation using a sub-space method suitable for computer implementation. The system has both a transmitter and a receiver including a plurality of antennas. The method comprising the step of: a receiver... Agent: Frank F. Tian

20080225978 - Method and apparatus for synchronization for mimo tds-ofdm system: In an orthogonal frequency division multiplexing (OFDM) multiple-input multiple-output (MIMO) wireless communication system where both a transmitter and a receiver include a plurality of antennas, a method comprising the step of: a receiver using at least one pseudo noise (PN) to correlate desired information relating to a received symbol.... Agent: Frank F. Tian

20080225976 - Method for multiple-input-multiple-output system demodulation: A MMSE-based deterministic sequential Monte Carlo (SMC) method for MIMO demodulation exhibiting square root complexity in terms of constellation size. Further extensions to the method reduce the search space resulting in significant reduction in computational requirements while minimally impacting performance. As a hard decision algorithm, the methods achieve sphere decoder... Agent: Brosemer, Kolefas & Associates, LLC (necl)

20080225975 - Structured space-time code achieving the full diversity and full rate and generating method thereof, and multi-input multi-output system: A space-time code used for a transmitter to transmit a plurality of data symbols to a receiver in a MIMO system, the space-time code including a code word matrix for transmitting an amount of data symbols corresponding to a product of the number of transmit antennas and a spatial multiplexing... Agent: Townsend And Townsend And Crew, LLP

20080225979 - Group mmse-dfd with rate (sinr) feedback and pre-determined decoding order for reception on a cellular downlink: A method for decoding and rate assignment in a wireless channel, where all dominant transmitter sources use inner codes from a particular set, comprising the steps of: i) estimating channel matrices seen from all dominant transmitter sources in response to a pilot or preamble signal transmitted by each such source;... Agent: Nec Laboratories America, Inc.

20080225980 - Transmission signal producing apparatus: To suppress a noise component caused in conversion of digital data into an ASK modulated signal to be transmitted over a network. Based on a clock CL generated by a clock generation circuit (10), an amplifier (12) produces a clock CL1 having a relatively small amplitude, and an amplifier (14)... Agent: Oliff & Berridge, PLC

20080225981 - System and method for synchronization, power control, calibration, and modulation in communication transmitters: A system is provided for processing a communication signal including a baseband amplitude component and a baseband phase component. The system includes an amplitude predictor configured for closed-loop pre-distortion of a baseband amplitude component, an amplitude lookup table configured for open-loop pre-distortion of the baseband amplitude component, and an amplitude... Agent: Tyco Technology Resources

20080225983 - Apparatus and method for selecting a multi-antenna transmission method in a broadcasting system: An apparatus and a method for transmitting broadcasting signals in a broadcasting system having multi-antenna are provided. The apparatus comprises at least one antenna, a signal generator for generating two or more broadcasting signals to be transmitted, at least two of the two or more broadcasting signals being generated according... Agent: JeffersonIPLaw, LLP

20080225982 - Method and apparatus for coding a communication signal: An apparatus for coding a communication signal is provided. The apparatus includes an encoder configured to encode the communication signal, to increase the length of the communication signal, and a repetition coder configured to repetitively code part of the encoded communication signal, to utilize at least some of the increased... Agent: Qualcomm Incorporated

20080225984 - Digital polar transmitter: A digital polar transmitter includes a baseband processor configured to receive an input signal and to convert the input signal into a baseband amplitude component and a baseband phase component. The transmitter also includes a phase modulator in communication with the baseband processor. The phase modulator is configured to modulate... Agent: Tyco Technology Resources

20080225985 - Method and apparatus for enhancing gsm system capacity: There is provided a system and method of enhancing capacity of a wireless communication channel compromising the steps of modulating data in accordance with first modulation scheme transforming the modulated data from a frequency domain symbol to a time domain version and encoding bits in a wireless communication timeslot independence... Agent: Anderson Gorecki & Manaras LLP

20080225986 - Application software flight recorder developer client: Apparatus having corresponding methods and computer-readable media comprises an input circuit to receive data over a communication channel, the data representing operation of a computer during an test interval and screen updates generated by the computer during the test interval; and a processor to generate a motion picture representing the... Agent: Epson Research And Development Inc Intellectual Property Dept

20080225987 - Asynchronous interconnection system for 3d interchip communication: An embodiment of the present invention relates to a asynchronous interconnection system comprising a transmitter circuit and a receiver circuit inserted between inserted between respective first and second voltage references and having respective transmitter and receiver nodes coupled in a capacitive manner. The receiver circuit comprises: a recovery stage inserted... Agent: Graybeal, Jackson, Haley LLP

20080225988 - Low noise logarithmic detector: A logarithmic detector circuit including a drive circuit to receive a modulated input signal and generate a buffered modulated signal, a signal shaping circuit coupled to the drive circuit and configured to shape a voltage range of the buffered modulated signal to generate a shaped modulated signal, and a detecting... Agent: Fenwick & West LLP

20080225990 - Apparatus and method for signal phase control in an integrated radio circuit: An apparatus and method to control signal phase in a radio device includes a phase rotator configured to control a phase of a local oscillator. A phase error determination module is configured to determine phase error information based on received in-phase (I) and quadrature (Q) (IQ) signal values. A phase... Agent: Keusey, Tutunjian & Bitetto, P.C.

20080225989 - High speed multi-modulus prescalar divider: A system and method are provided for multi-modulus division. The method accepts an input first signal having a first frequency and divides the first frequency by an integral number. A second signal is generated with a plurality of phase outputs, each having a second frequency. Using a daisy-chain register controller,... Agent: Gerald W. Maliszewski

20080225992 - Device and method for determining a symbol during reception of a signal coupled with a quadrature signal pair (i,q) for qam frequency control and/or rotation control: The invention relates to a device and a method for determining a symbol during reception of a signal coupled with a quadrature signal pair having a discriminator for the determination of a symbol with an analysis of a received signal in complex coordinate space, and a control loop for QAM... Agent: Maginot, Moore & Beck Chase Tower

20080225993 - Hybrid pilot configuration: Systems and methodologies are described that facilitate employing a hybrid pilot configuration in a wireless communications network. A hybrid pilot configuration includes common pilot symbols and dedicated pilots multiplexed together within a time transmission interval. The multiplexed pilot symbols can be received and utilized to demodulate channels. Common pilot symbols... Agent: Qualcomm Incorporated

20080225991 - Method for searching pilot signals to synchronize a cdma receiver with an associated transmitter: A method for synchronizing a CDMA receiver to a transmitter when an adaptive antenna is utilized to receive transmitted data, wherein a receiving antenna system is adapted between a 360° reception angle pattern (i.e., an omni-directional pattern) and a fixed reception angle (i.e., a directional pattern) by permitting the receiver... Agent: Volpe And Koenig, P.C. Dept. Icc

20080225994 - Data reproduction apparatus and method capable of determining level value of viterbi decoder, and computer-readable recording medium having recorded thereon program for implementing the data reproduction method: A data reproduction apparatus and method to accurately determine an initial level value of a viterbi decoder regardless of whether an operating frequency is in a stable state, and a recording medium having recorded thereon a program for implementing the data reproduction method, the data reproduction apparatus including: a storage... Agent: Stein, Mcewen & Bui, LLP

20080225995 - Digital broadcast service discovery correlation: Aspects of the invention are directed to service and channel discovery in a digital broadcast network. A pilot synchronization symbol, which has known characteristics, is included as a first symbol of digital broadcast frames. The pilot symbol, which can be decoded without having to resort to trial and error methods,... Agent: Banner & Witcoff, Ltd.

20080225996 - Digital broadcast service discovery correlation: Aspects of the invention are directed to service and channel discovery in a digital broadcast network. A pilot synchronization symbol, which has known characteristics, is included as a first symbol of digital broadcast frames. The pilot symbol, which can be decoded without having to resort to trial and error methods,... Agent: Banner & Witcoff, Ltd.

20080225997 - Method and apparatus for synchronization for mimo tds-ofdm system: In a TDS-OFDM system, frequency offset estimate provided. A method for estimating a frequency offset comprising the step of correlating a known PN sequence with a received signal.... Agent: Frank F. Tian

20080225998 - Apparatus and method for estimating noise power in frequency domain: An apparatus and a method for estimating noise power in frequency domain are provided. The apparatus and the method are applied to a state where no packet is transmitted over the channels. And the apparatus and the method acquire noise in every sub-carrier, and obtain the transmission status in every... Agent: Jianq Chyun Intellectual Property Office

20080225999 - System and method for broadband pulse detection among multiple interferers using a picket fence receiver: A system and method to detect broadband pulses in the presence of multiple arrow band interferers is disclosed whereby a picket fence filtering method is detect and ignore the signal at the precise location of the narrow band interferers.... Agent: Dennis L. Cook, Esq. The Law Offices Of Dennis L Cook PLLC

20080226000 - Method and device for digital data transmission: The present invention relates to a method for digital data transmission, wherein the transmission is effected by carrier frequency modulation and is disturbed by at least two different types of disturbance, the method comprising the following steps at the receiving end: a1) determining an estimate for the power of the... Agent: Philips Intellectual Property & Standards

20080226001 - Adjacent channel interference detection for wireless communication: Techniques for detecting adjacent channel interference (ACI) in a wireless communication system are described. Input inphase (I) and quadrature (Q) samples are filtered with a first filter response to obtain filtered I and Q samples. The first filter response is designed to pass signal in an adjacent frequency channel while... Agent: Qualcomm Incorporated

20080226002 - System and method for broadband pulse detection among multiple interferers using a dynamic filter receiver: A system and method to detect broadband pulses in the presence of multiple strong narrow band interferers is disclosed whereby a dynamic filtering method is used to detect and notch out the interfering signal by forming notch filters at the precise location of the narrow band interferers.... Agent: Dennis L. Cook, Esq. The Law Offices Of Dennis L Cook PLLC

20080226003 - Method and device for synchronizing rectilinear or quasi-rectilinear links in the presence of interference: A method of synchronizing a substantially rectilinear signal being propagated through an unknown channel, in the presence of unknown substantially rectilinear interferences, received by an array of N sensors, in which a known training sequence s(nT) is used comprising K symbols and sampled at the symbol rate T (s(nT), 0≦n≦{tilde... Agent: Lowe Hauptman & Berner, LLP

20080226005 - Apparatus and method for synchronizing a channel card in a mobile communication system: An apparatus and a method for synchronization in a channel card in a mobile communication system are provided. A channel card for synchronizing a Digital Signal Processing (DSP) modem and a system clock in a mobile communication system includes the DSP modem for sending a reference signal, informing of a... Agent: JeffersonIPLaw, LLP

20080226004 - Methods and apparatus for clock signal synchronization in a configuration of series-connected semiconductor devices: A system includes a system controller and a configuration of series-connected semiconductor devices. Such a device includes an input for receiving a clock signal originating from a previous device, and an output for providing a synchronized clock signal destined for a succeeding device. The device further includes a clock synchronizer... Agent: Fetherstonhaugh - Smart & Biggar

20080226006 - Data player and data play method: A synchronous pattern detection section checks coincidence between a predetermined reference synchronous pattern and a bit pattern included in a data stream. Each time a bit pattern which coincides with the reference synchronous pattern is detected, the synchronous pattern detection section extracts a frame length of a data frame corresponding... Agent: Cantor Colburn, LLP

20080226007 - Method and apparatus for power estimation for tdsofdm in transmission: A method and apparatus for a receiver to estimate the received power for each transmitting BS. The power measure can be obtained by using some or all receiving antennas.... Agent: Frank F. Tian

20080226008 - Providing accurate time-based counters for scaling operating frequencies of microprocessors: The illustrative embodiments provide accurate time-based counters for scaling operating frequencies of microprocessors. A time-based counter circuit configuration in which a fixed frequency clock is derived from a PLL of the clock generation circuit of the microprocessor and is used to feed the external and internal timebase logic as well... Agent: Ibm Corp. (wip) C/o Walder Intellectual Property Law, P.C.

20080226009 - Clock and data recovery circuit and communications apparatus including the clock and data recovery circuit: A clock and data recovery circuit that includes a unit to output N-phase clocks each of which has a phase shifted from the others by a time T2 obtained by dividing a clock period P1 by N, a unit to obtain sampling data serially transferred every time T2, a unit... Agent: Dickstein Shapiro LLP

20080219322 - Methods and apparatus for emitter detection: A method is provided for coordinating detection of emitted signals by a receiver with transmission of signals by a transmitter, wherein the receiver and the transmitter are located on the same platform. The receiver scans a surrounding environment to detect emitted signals in multiple frequency ranges while the transmitter transmits... Agent: Lockheed Martin Corporation C/o Wolf, Greenfield & Sacks, P.c.

20080219323 - Fast and reliable channel classification algorithms in bluetooth networks to detect and avoid 2.4 ghz interferers: Aspects of a method and system for fast and reliable channel classification in Bluetooth networks to detect and avoid channel interferers may include one or more processors that may enable performance of signal strength measurements on received Bluetooth signals at a current selected frequency. At least one data packet received... Agent: Mcandrews Held & Malloy, Ltd

20080219324 - Method and apparatus for generating a hopping sequence in a communication system: A method and apparatus for generating a hopping sequence according to a seed value in a communication system are provided. The apparatus and method for generating a hopping sequence indicating a hopping pattern of carrier frequencies or time slots in a communication system include, when a seed value is input,... Agent: Jefferson Ip Law, LLP

20080219325 - Mmse mud in 1x mobiles: Systems and methodologies are described that facilitate equalizing inter-sector interference and performing interference cancellation on a forward link by utilizing a combination of pilot interference cancellation followed by selective interference cancellation. Selective interference cancellation can be performed using, for instance, a reduced-rank minimum mean-squared error multi-user detection receiver. A system... Agent: Qualcomm Incorporated

20080219326 - Wireless multimedia link: An apparatus with a first information decoder (103) and an information encoder (104) operates in at least one of a lossless and a lossy encoding modes to re-encode original information decoded by the first information decoder (103). A transmitter (105) is coupled to the information encoder (104) and to at... Agent: Pulse-link, Inc.

20080219327 - Spreading code derived from weil sequences: Methods and systems relating to Weil-based spreading codes are described herein. In an embodiment, a method includes generating a set of Weil sequences, adapting a plurality of sequences of the set of Weil sequences to form a first plurality of codes, and selecting a second plurality of codes from the... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20080219328 - Receiver apparatus, receiving method, program, and recording medium: A receiver apparatus includes a plurality of signal receiving means; a plurality of channel signal outputting means for sampling signals received by the plurality of signal receiving means at sampling rates switched within a predetermined range or between multiple values and outputting channel signals; control means for controlling the sampling... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080219329 - Local oscillator control in radio receivers: A radio receiver measures a signal quality metric and modifies attributes of a local oscillator signal in response thereto. A digital signal processor may be used to determine a signal-to-noise-plus-distortion ratio (SNDR) of a baseband signal, and the overlap of two quadrature-related local oscillator signals may be modified.... Agent: Lemoine Patent Services, Pllc C/o Intellevate

20080219332 - Apparatus and methods accounting for automatic gain control in a multi carrier system: Apparatus and methods are provided for accounting for the effects of automatic gain control (AGC) in a multi carrier communications system when combining pilot tone interlaces by essentially reversing the effects of the AGC. In an aspect, a method for adjusting for the effects of automatic gain control when combining... Agent: Qualcomm Incorporated

20080219330 - Digital subscriber line (dsl) tracking system: Digital Subscriber Line (DSL) concentrating systems and other equipment from various manufacturers may be tracked and monitored with a single DSL tracking tool. The DSL tracking tool functions as part of a system of computing devices and databases with various user interfaces. The DSL tracking tool can perform analyses and... Agent: Patton Boggs, LLP

20080219331 - Methods and apparatus for reducing the effects of dac images in radio frequency transceivers: Methods and apparatus for reducing the effects of digital-to-analog converter (DAC) images and transmission spurious effects in a receive frequency band of a radio frequency (RF) transceiver. A transceiver apparatus includes a transmitter portion having a DAC, a receiver portion configured to receive RF signals in a receive frequency band,... Agent: Patent Law Professionals

20080219333 - Signal transceiver for differential data communication of ternary data and method therefor: A signal transceiver may include three transmission lines, a signal transmission unit, and/or a signal reception unit. The signal transmission unit may be configured encode first through third transmission data to generate first through third data and transmit the first through third data through the three transmission lines. The signal... Agent: Harness, Dickey & Pierce, P.L.C

20080219334 - Managing bit error rates on point-to-point wireless links in a network: In one embodiment, a method includes receiving, from a decoder connected to a wireless receiver for communication with a remote apparatus, first error data that indicates a current error rate that corresponds to a first inbound data packet received from the remote apparatus. Based in part on the first error... Agent: Eugene Molinelli Evans & Molinelli Pllc

20080219335 - Remote access integrated tester: In conventional testing, the user is using an on-hand computing device to control testing; however, for the present invention the user is at the access point and the computer is remote, e.g. nearby or in the technician's vehicle, and not being used by the user to run the tests. The... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.a.

20080219336 - System and method for fault detection and localization in time series and spatial data: A method for fault detection and localization calls for obtaining a data set, smoothing the data set, identifying a plurality of split points within the data set, fitting a piecewise linear function to the plurality of split points; and determining a residual between the function and the smoothed data set.... Agent: General Electric Company Global Research

20080219337 - Battery apparatus, battery control apparatus, and motor drive unit: The present invention provides enhanced serial communication reliability in a situation where a plurality of cell controllers and a battery controller are daisy-chained to form a serial communication configuration. While the plurality of cell controllers and the battery controller are daisy-chained to form a serial communication configuration, the battery controller... Agent: Crowell & Moring LLP Intellectual Property Group

20080219339 - Channel estimation using frequency smoothing: A system and method are provided for supplying a frequency-smoothed communications training signal. The method generates a frequency-smoothed unbiased training signal in a quadrature modulation transmitter. The frequency-smoothed unbiased training signal includes a plurality of pilot signal products, where each pilot signal product includes complex plane information represented by a... Agent: Qualcomm Incorporated

20080219340 - Frequency domain equalizer for wireless communications system: The present invention relates to wireless communications and is particularly applicable to devices and modules for correcting errors introduced to a wireless signal after its transmission. An equalizer is provided which compensates for undesirable effects on received radio signals introduced by either signal processing or by the transmission medium. In... Agent: Stolowitz Ford Cowger LLP

20080219338 - Quadrature modulation rotating training sequence: A system and method are provided for transmitting a rotating training sequence. A rotating training signal is generated in quadrature modulation transmitter. The rotating training signal includes training information sent via an in-phase (I) modulation path, as well as training information sent via a quadrature (Q) modulation path. The rotating... Agent: Qualcomm Incorporated

20080219342 - Channel equalization with non-common midamble allocation in 3gpp td-cdma systems: Systems and methodologies are described that facilitate implementing a linear adaptive equalizer receiver on the downlink link of a UMTS TDD wireless communication system. A reference signal can be generated based on multiple non-common midamble sequences in a time slot of a received transmission. Traffic-to-pilot ratios for channel codes in... Agent: Qualcomm Incorporated

20080219341 - Space-frequency equalization for oversampled received signals: Techniques for performing space-frequency equalization and spatial equalization in the frequency domain are described. Space-frequency equalization combines signal components across both space and frequency dimensions whereas spatial equalization combines signal components across space. A receiver obtains input symbols for multiple (M) signal copies from multiple (R) receive antennas and multiple... Agent: Qualcomm Incorporated

20080219343 - Systems and methods for processing a signal within a communications system with a superimposed reference signal: A method for processing a signal within a communications system is described. A signal transmitted over a channel is received that includes an information signal and a reference signal. The information signal includes data. The reference signal is superimposed on the data. A channel impulse response of the channel is... Agent: Madson & Austin

20080219344 - Encoding device and encoding method: When creating SBR data in a the low-resolution mode, an encoding device divides a high-frequency component of input audio data being encoded by SBR method into a high-frequency band and a low-frequency band, and calculates an average high-frequency power value that indicates the average value of the power in the... Agent: Hanify & King Professional Corporation

20080219346 - Method for efficient encoding and decoding quantized sequence in wyner-ziv coding of video: A computer-based method for encoding and decoding quantized sequences in Wyner-Ziv coding of video, bi-partite graph is used in an iterative process. The method takes as input to an encoder a sequence of quantized data from a finite alphabet, the sequence comprising a video frame. Another sequence of data, decoded... Agent: Whitham, Curtis, & Christofferson, P.c.

20080219347 - Moving picture coding method, moving picture decoding method, moving picture coding device, and moving picture decoding device: Provided are a moving picture coding method, a moving picture decoding method, a moving picture coding device, and a moving picture decoding device, by which skipped display can be performed even in a moving picture decoding device having insufficient processing capability and increase of an amount of coded data can... Agent: Wenderoth, Lind & Ponack L.l.p.

20080219348 - Data embedding apparatus, data extracting apparatus, data embedding method, and data extracting method: A data embedding apparatus including: a selecting unit for selecting, based upon the second data, a prediction system of calculating a prediction value with respect to data to be processed within the first data; a predicting unit for calculating the prediction value of the data to be processed by the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080219350 - H.264/avc intra coding algorithms having quality scalability: Different algorithms are used in H.264/AVC intra coding to form three coding levels. Algorithms used in two of the three coding levels reduce calculation complexities and power consumptions. The basic level is an exception, which fully keeps an original picture quality. Thus, various needs can be met by coding in... Agent: Troxell Law Office Pllc

20080219349 - Parallel processing apparatus for video compression: A method of and an apparatus for parallel processing video compression is described herein. A picture is divided into N zones vertically, and Vertical Split Parallelism (VSP) deploys N+1 processes: N M-coding processes for general macroblock coding in N zones and one E-coding process for entropy coding. By dividing a... Agent: Jonathan O. Owens Haverstock & Owens LLP

20080219351 - Apparatus of predictive coding/decoding using view-temporal reference picture buffers and method using the same: Provided are an apparatus and method for predictive coding/decoding for improving a compression rate of multiview video using one or two additional reference frame buffers. The predictive encoding apparatus includes: a multiview reference picture providing unit for providing a reference picture for a predictive encoding according to temporal and spatial... Agent: Ladas & Parry LLP

20080219352 - Motion vector searching apparatus, motion vector searching method and storage medium for storing motion vector searching program: A motion vector searching apparatus to which a reference image, an object image and weight parameters for the reference image are inputted and searches a motion vector based thereon is provides. The motion vector searching apparatus includes an inverse weighting section that generates an inverse weighted object image by performing,... Agent: Rabin & Berdo, Pc

20080219345 - Streaming media codec with transform coefficient bounding: A streaming media codec may include a collection of media stream processing modules arranged into a processing graph. One or more of the modules may perform a Fourier-related transform, and a significant fraction of media stream processing may occur post-transform. The media stream may be considered as a sequence of... Agent: Lee & Hayes Pllc

20080219353 - De-interlacing method and method of compensating a de-interlaced pixel: A luminance compensating method of compensating a de-interlaced pixel in a current block of a current frame with reference to a reference block of a reference frame is provided. First, calculate an average luminance of the current block and an average luminance of the reference block. Next, adjust the luminance... Agent: Rabin & Berdo, Pc

20080219355 - Apparatus and method for producing a data stream and apparatus and method for reading a data stream: An entropy encoder includes an apparatus for producing a data stream which comprises two reference points, of code words of variable lengths, the apparatus comprising a first device for writing at least a part of a code word into the data stream in a first direction of writing, starting from... Agent: Glenn Patent Group

20080219354 - Methods and systems for scalable-to-non-scalable bit-stream rewriting: Aspects of the present invention relate to systems and methods for selectively determining a quantization parameter based on coding parameters. In some embodiments, a quantization parameter selection may be based on the presence of non-zero transform coefficients as well as other parameters. Some embodiments relate to rewriting a multi-layer bitstream... Agent: Krieger Intellectual Property, Inc.

20080219356 - System and method for transcoding data from one video standard to another video standard: A system and method transcodes an input video bit stream having a first encoding profile into an output video bit stream having a second encoding profile. The system includes a first module (302) and a second module (306). The system further includes a memory module (304). The first module (302)... Agent: Gardere Wynne Sewell LLP Intellectual Property Section

20080219357 - Apparatus and method thereof for encoding/decoding video: An apparatus and method for encoding/decoding an input video complied with a fixed frame rate standard and adjusting bit-stream of an encoded/decoded video in real-time. The apparatus comprises a video encoder, a control circuit, an interface, and a buffer. The control circuit is used for monitoring the utility status of... Agent: Ipr Works, Llc

20080219359 - Method and system for reducing common mode noise interference in a differential communication channel: A data transmission method includes providing, by a current source, a current to the first conductor while isolating the second conductor from the current source, to thereby transmit a first binary digit; and, responsive to a command to transmit a second binary digit, (i) decreasing from a maximum value to... Agent: Mark M. Friedman

20080219358 - Method for communicating data and clock signals and corresponding signal, transmitter and receiver: A clock signal constituted by pulses with given frequency of repetition and a data signal is able to assume two logic levels are transmitted simultaneously on a two-wire line in the form of a bipolar differential pulse signal with frequency of repetition of the pulses equal to the frequency of... Agent: Hogan & Hartson LLP

20080219361 - Adaptive pilot symbol allocation method and apparatus: According to one embodiment, a wireless communication device estimates channel response based on a reduced-density common pilot signal comprising a plurality of regularly spaced common pilot symbols when the reduced-density common pilot signal is sufficient for estimating the channel response with a desired accuracy. The wireless communication device estimates the... Agent: Coats & Bennett, Pllc

20080219371 - Channel estimation and ici cancellation for ofdm: An iterative channel estimation and inter-carrier interference (ICI) cancellation process is provided for OFDM receivers, and more particularly for mobile OFDM receivers. The iterative process uses decision feedback to estimate both the channel gain and the ICI gains, the latter being the multiplicative gain applied to the adjacent sub-carriers. Thus... Agent: Freedman & Associates

20080219366 - Combined rate and precoder design for slow fading correlated mimo channels with limited feedback: System and methodologies are provided herein for joint rate, precoder, and feedback design adaptation and optimization for wireless communication systems. An optimization component as provided herein can implement an integrated framework for joint design of rate, preceding, and feedback partitioning adaptation policies for slow fading and spatially correlated multiple-input multiple-output... Agent: Amin, Turocy & Calvin, LLP

20080219364 - Delay-sensitive cross layer scheduler for multi-user wireless communication systems: CSIT error considerate delay-sensitive user access systems are provided in a multi-user OFDMA environment comprises a user delay sensitivity tracking component, a CSIT estimating component, a system queue state tracking component and a cross layer scheduling component. The techniques assume heterogeneous users with respect to delay and assume that CSIT... Agent: Amin, Turocy & Calvin, LLP

20080219362 - Diversity wireless systems: Diversity wireless system, processor, cross-correlator, transmit baseband filter and modulator for processing, cross-correlating, filtering, modulating and providing a first and a second bit rate signal to a transmission system for transmission of the processed, filtered, modulated signal. Transmission system having two transmitters for transmission of the modulated signal. Diversity receiver... Agent: Kamilo Feher

20080219365 - Method of grouping and mapping transmission stations in a wireless network: A method of mapping transmission stations in a wireless network by grouping the transmission stations such that each transmission station in the same group transmits a sounding signal in the same time symbol. A method of grouping transmission stations in a wireless network includes sorting the transmission stations in descending... Agent: Staas & Halsey LLP

20080219363 - Multi-carrier communications with adaptive cluster configuration and switching: A method and apparatus for allocating subcarriers in an orthogonal frequency division multiple access (OFDMA) system is described. In one embodiment, the method comprises allocating at least one diversity cluster of subcarriers to a first subscriber and allocating at least one coherence cluster to a second subscriber.... Agent: Fulbright & Jaworski L.l.p

20080219369 - Robust rate, power and precoder adaptation for slow fading mimo channels with noisy limited feedback: System and methodologies are provided herein for rate, power and precoder adaptation for slow fading MIMO communication channels with noisy limited feedback. To optimize a rate of successful information delivery from a wireless transmitter to a wireless receiver and to provide robustness to channel noise, a joint design and optimization... Agent: Amin, Turocy & Calvin, LLP

20080219360 - System and method for performing channel estimation using interpolation: A system and method for performing channel estimation. The system includes a receiver for decoding OFDM. Upon receiving an OFDM symbol, a plurality of demodulated subcarrier modulation symbols for the OFDM symbol are generated. The demodulated subcarrier modulation symbols are then decoded to generate decoder output code symbols. At least... Agent: Motorola, Inc.

20080219367 - Transmitting device and control method thereof: A transmitting device is provided that generates OFDM symbols by identifying a sampling frequency of input data that is input from an external device, determining a number of inverse Fourier transform sample points and a number of sampling points of a redundant data portion in accordance with the identified sampling... Agent: Fitzpatrick Cella Harper & Scinto

20080219370 - User equipment feedback structures for mimo ofdma: Embodiments of the present disclosure provide a feedback encoder, a feedback decoder and methods of operating the same. The feedback encoder, for use with user equipment, includes an encoding module configured to provide a rank indicator that is separately reportable from a related selection of at least one of a... Agent: Texas Instruments Incorporated

20080219368 - Wireless communication apparatus and wireless communication method: When performing data communication with a second wireless communication apparatus having a plurality of antennas by using a plurality of transmission channels formed by spatial multiplexing, a first wireless communication apparatus having a plurality of antennas determines whether the second wireless communication apparatus is capable of communication using the plurality... Agent: Fitzpatrick Cella Harper & Scinto

20080219372 - Ofdm modulator: An OFDM modulator having a peak factor reduction function. The OFDM modulator has a peak factor reduction unit between an IFFT unit and a guard interval insertion unit thereof. The peak factor reduction unit converts a complex signal X1 outputted from the IFFT unit into a complex signal X2 with... Agent: Mattingly, Stanger, Malur & Brundidge, P.c.

20080219373 - Codebook selection for transmit beamforming: A method select a codebook for transmit beamforming. The method constructs an estimated channel matrix based on a codebook, selects a channel submatrix from the estimated channel matrix, calculates a selection matrix from the channel submatrix; and assigns a steering matrix based on the selection matrix. There may be multiple... Agent: Brinks Hofer Gilson & Lione/marvell

20080219375 - Apparatus and method for spatial multiplexing with backward compatibility in a multiple input multiple output wireless communication system: An apparatus and method for supporting both a receiver using a single antenna and a receiver using multiple antennas in a Multiple Input Multiple Output (MIMO) wireless communication system are provided. The apparatus and method in a MIMO wireless communication system include a first synthesizer for generating a first Transmit... Agent: Jefferson Ip Law, LLP

20080219374 - Mimo detection with on-time symbol level interference cancellation: Techniques for receiving a MIMO transmission are described. A receiver processes received data for the MIMO transmission based on a front-end filter to obtain filtered data. The receiver further processes the filtered data based on at least one first combiner matrix to obtain detected data for a first frame. The... Agent: Qualcomm Incorporated

20080219376 - Methods and arrangements for communicating in a multiple input multiple output system: Systems and methods for utilizing new communication standards in wireless local area networks are provided that also support legacy wireless stations. The method can include user equipment determining channel state information, selecting a unitary channel decomposition precoder format based on the determined channel state information and transmitting the precoder format... Agent: Schubert, Osterrieder & Nickelson, Pllc C/o Intellevate, Llc

20080219377 - Transmitter crosstalk cancellation in multi-standard wireless transceivers: A method of suppressing interference from a transmitter operating to a first standard to a local receiver operating to a second standard is provided. Such interference being increasingly common as a result of the deployment of multiple wireless transceivers within electronic devices supporting multiple international standards, such as WiFi and... Agent: Freedman & Associates

20080219378 - Low power wireless communication system: A transmitter, a receiver, and a transceiver for use in a wireless communication system are disclosed. In one embodiment, the radio frequency (RF) transmitter comprises a first parallel-to-serial converter to convert first parallel data corresponding to a I quadrature baseband signal component into a first set of serial data bits,... Agent: Blakely Sokoloff Taylor & Zafman LLP

20080219379 - Quadrature imbalance mitigation using unbiased training sequences: A system and method are provided for transmitting an unbiased communications training sequence. The method generates an unbiased training sequence in a quadrature modulation transmitter. The unbiased training sequence represents a uniform accumulated power evenly distributed in the complex plane. As a result, training information in the time domain is... Agent: Qualcomm Incorporated

20080219380 - Data encoding in a clocked data interface: One embodiment of the present invention includes a data transmission system. The system comprises a data transmitter that provides a plurality of data bits over at least one data line. The data transmitter comprises a clock that provides a clock signal associated with timing for latching the plurality of data... Agent: Texas Instruments Incorporated

20080219381 - Method and system for redundancy-based decoding of video content in a wireless system: Aspects of a method and system for redundancy-based decoding of video content in a wireless system are provided. A wireless receiver may determine whether a received multimedia data stream comprises video content and may select a redundancy-based decoder when video content is detected. The wireless receiver may be a WLAN... Agent: Mcandrews Held & Malloy, Ltd

20080219382 - Signal receiving circuit to transmit high speed signal: A signal receiving circuit to transmit a high speed signal, includes a signal processing unit having a terminal resistor, a board unit having a signal transmitting unit to transmit an external signal to the signal processing unit and a parasitic capacitance offsetting unit which is formed on the board unit... Agent: Stanzione & Kim, LLP

20080219383 - Method and apparatus for carrier recovery using multiple sources: In a receiver, a decision-directed phase estimator is used in conjunction with an interpolator to provide a phase estimate for use in carrier recovery. For example, a receiver comprises a pilot phase estimator, a Costas loop and an interpolation controller. The pilot phase estimator provides determined phase estimates at the... Agent: Joseph J. Laks Thomson Licensing Llc

20080219385 - Methods and systems for transmission of multiple modulated signals over wireless networks: Receiver network for receiving a first filtered modulated transmitted signal in a first RF band and a second modulated transmitted signal in a second RF band and for providing received signals to one or more demodulators. A demodulator and baseband filter for demodulating and filtering the first filtered modulated received... Agent: Procopio, Cory, Hargreaves & Savitch LLP

20080219384 - Tfci decoding apparatus and method: Wireless communication systems according to 3rd Generation standards allow for large flexibility in payload transmission. To signal the specific combination of transport block sizes multiplexed into one composite transport channel, a transport format combination indicator is transmitted in addition to the encoded payload data. The correct decoding of this transport... Agent: Nxp, B.v. Nxp Intellectual Property Department

20080219386 - Quadrature imbalance estimation using unbiased training sequences: A system and method are provided for removing quadrature imbalance errors in received data. The method accepts an unbiased training sequence in a quadrature demodulation receiver. An unbiased training sequence has a uniform accumulated power evenly distributed in a complex plane, and includes predetermined reference signals (p) at frequency +f... Agent: Qualcomm Incorporated

20080219387 - Cross qam modulation-based symbol mapping method and apparatus in a mobile communication system: A method for determining a bit pattern of a symbol in a wireless communication system using a cross modulation scheme. The method includes generating symbols with the cross modulation scheme, classifying positions of coding symbols by reliabilities of at least 3 classes according to an average bit error rate BER(ave)... Agent: The Farrell Law Firm, P.c.

20080219389 - Feed-forward cancellation in wireless receivers: A method of suppressing interference from remote transmitters operating to a first standard having frequencies overlapping those for a receiver operating to a second standard is provided. Such interference being increasingly common as a result of the deployment of multiple wireless transceivers within electronic devices either supporting multiple international standards,... Agent: Freedman & Associates

20080219388 - Successive interference cancellation based on the number of retransmissions: A method for processing a plurality of symbol streams is provided. The method includes receiving a first symbol stream, wherein the first symbol stream has a corresponding first number of retransmissions. The method further includes receiving a second symbol stream, wherein the second symbol stream has a corresponding second number... Agent: Freescale Semiconductor, Inc. Law Department

20080219390 - Receiver circuit: A thermometer code to sign and magnitude converter that is particularly useful in a flash ADC is provided. This comprises two conversion units. The first is a thermometer code to Gray code converter and the second a Gray code to sign and magnitude converter. Preferably, the Gray code is of... Agent: Texas Instruments Incorporated

20080219391 - Systems and methods for distributing a clock signal: One embodiment of the present invention includes a distributed clock system. The distributed clock system includes a clock transmitter configured to programmably amplify and transmit a sine-wave signal corresponding to a clock signal, and a clock receiver configured to receive the sine-wave signal and to convert the sine-wave signal into... Agent: Texas Instruments Incorporated

20080219392 - Data-dependent noise predictor in data-aided timing recovery: A communication system includes a communication channel (110) for time-synchronous transfer of data symbols a1, . . . , aN to a receiver (130). A sampling unit (132) is used for time-sequential sampling the channel under control of a sampling clock signal that is synchronous with transmittal of the data... Agent: Philips Intellectual Property & Standards

20080219393 - Moving picture stream generation apparatus, moving picture coding apparatus, moving picture multiplexing apparatus and moving picture decoding apparatus: A moving picture stream generation apparatus includes: a trick-play information generation unit TricPlay for generating supplemental information on a random access unit basis, the supplemental information being referred to at the time of playback of each random access unit and each random access unit including one or more pictures; and... Agent: Wenderoth, Lind & Ponack L.l.p.

20080212650 - Cognitive uwb system and cognitive uwb data communication method: A cognitive UWB system and a cognitive UWB data communication method. The system includes a cognitive UWB transmitter and a cognitive UWB receiver. The cognitive UWB transmitter includes a channel encoder for correcting error of data, a preamble inserter for inserting a preamble into the data, a mask information inserter... Agent: Bachman & Lapointe, P.C.

20080212651 - Communication protocol: A communication protocol for ultra-wideband communications is provided. The present invention provides compatibility and interoperability between ultra-wideband communications devices within various types of networks. In one embodiment, combined, or interleaved data frames having both high and low data transfer rate capability are provided. The low data transfer rate may be... Agent: Pulse-link, Inc.

20080212649 - Method and system for a distributed bluetooth® host architecture: Aspects of a method and system for a distributed Bluetooth® Host Architecture may include combining a single main Bluetooth® host with subsidiary Bluetooth® hosts to form a distributed Bluetooth® processing entity that operates as a single Bluetooth® host for a Bluetooth® host controller. An active data connection may be handed... Agent: Mcandrews Held & Malloy, Ltd

20080212648 - Method and system for multiple hci transport for bluetooth® host controllers: Aspects of a method and system for multiple HCI transport for Bluetooth® Host controllers may include communicating between a plurality of Bluetooth® hosts and a single Bluetooth® host controller by using one or more Bluetooth® host controller interfaces. Control of the Bluetooth® host controller interfaces may be assigned to one... Agent: Mcandrews Held & Malloy, Ltd

20080212652 - Wireless communications apparatus: MIMO UWB Communications apparatus is configured to send out a channel estimation sequence comprising a plurality of sequentially transmitted symbols in accordance with a first band hopping sequence, sent from one antenna of the apparatus, while another antenna is transmitting another sequence of channel estimation symbols in accordance with another,... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080212653 - Signal transmission and reception device: A signal transmission and reception device is disclosed that can be made compact and has wide-band band-pass characteristics. The signal transmission and reception device includes a first filtering unit that is composed of a distributed constant circuit and is capable of eliminating a first frequency component or a second frequency... Agent: Staas & Halsey LLP

20080212654 - Determinting a detection signal in a spread spectrum communications system: Disclosed is a method of generating a detection signal for detecting energy in a spread-spectrum signal, comprising: de-spreading the spread-spectrum signal by applying a predetermined spreading code to obtain a sequence of de-spread signal symbols (202A-202D); accumulating a number of said signal symbols to obtain a single detection signal. The... Agent: Ericsson Inc.

20080212655 - Simple and robust digital code tracking loop for wireless communication systems: A simple and robust CTL is used for time tracking of multipath components of a spread spectrum signal transmitted over a wireless multipath fading channel. A digital code-tracking loop includes the implementations of despreading early and late data samples by use of a pseudonoise sequence, an error signal output generated... Agent: Volpe And Koenig, P.C. Dept. Icc

20080212656 - Equalized modulation demodulation (modem) format selectable multi antenna sysytem: Method and process for receiving, demodulating, equalizing and processing of Modulation Demodulation Format Selectable (MFS) received signal, received from two or more than two antennas and from diversity receivers. Baseband processing filtering and adaptively equalizing demodulated signals and providing filtered equalized burst operated Time Division Multiplexed (TDM) cross-correlated in-phase and... Agent: Kamilo Feher

20080212657 - Iterative detection and decoding for a mimo-ofdm system: Techniques to iteratively detect and decode data transmitted in a wireless (e.g., MIMO-OFDM) communication system. The iterative detection and decoding is performed by iteratively passing soft (multi-bit) “a priori” information between a detector and a decoder. The detector receives modulation symbols, performs a detection function that is complementary to the... Agent: Amin, Turocy & Calvin LLP

20080212661 - Communication apparatus and method of controlling same: A communication apparatus including a noise eliminator performing noise reduction processing to cancel a digitized signal received via a receiving antenna, a code decoder, connected to the last stage of the noise eliminator, that decodes the digitized signal that has been subjected to noise reduction processing, a desired-signal detector that... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080212659 - Communication device and communication method: Based on interference electric power attributed to a delayed wave, interference electric power attributed to a signal from another non-targeted terminal or a base station, and noise electric power, in order to obtain an index for further exactly representing the signal quality, the combination of a desired-signal/undesired-signal ratio 1 (referred... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080212660 - Method and multi-carrier transceiver with stored application profiles for supporting multiple applications: A system and method for supporting multiple applications are described. A digital subscriber line system includes two transceivers in communication over a communication channel using multicarrier modulation. Application profiles are defined for characterizing transmission of information over the communication channel. Each application profile is a parameter set that is associated... Agent: Jason H. Vick Sheridan Ross, PC

20080212658 - Method and system for communication of signals using a direct digital frequency synthesizer (ddfs): Aspects of a method and system for communication of signals using a direct digital frequency synthesizer (DDFS) are provided. A DDFS may enable generation of signals for down converting and/or up converting radio frequency (RF) signals in reception and transmission operations respectively. The DDFS may utilize a clock signal generated... Agent: Mcandrews Held & Malloy, Ltd

20080212662 - Apparatus for measuring iq imbalance: The present general inventive concept relates to apparatuses and/or methods for measuring an IQ imbalance. In one embodiment, a signal generator can provide a first IQ signal of a DC component during a first period and the first IQ signal of a first angular frequency during a second period, an... Agent: Rene A. Vazquez

20080212663 - Universal intelligent modem: In one general aspect, data transfer between the modem and a processor connected to the modem may be improved using a variable speed buffer. The variable speed buffer may include one or more first-in/first out buffers (FIFOs) and two interfaces. The FIFOs may be connected between the interfaces to form... Agent: Fish & Richardson P.C.

20080212664 - Apparatus and methods for displaying signal characteristics: A receiver 31 receives a wireless signal of, for example, an RFID system that conducts communication with a wireless signal based on reflection modulation. A demodulation block 33 demodulates the received signal obtained at the receiver 31 with orthogonal demodulation. A display block 36 provides signal points derived from the... Agent: Matthew D. Rabdau Tektronix, Inc.

20080212665 - System for monitoring the quality of a communications channel with mirror receivers: A system is presented that monitors the quality of a communications channel with mirror receivers. A first receiver and a second receiver, coupled in parallel with the first receiver, receive a data signal transmitted over the communications channel. The second receiver generates an output signal. A signal integrity (SI) processor... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20080212667 - Graphical user interface for multi-tap delay: A multi-tap delay has a graphical user interface in which each delay tap is represented by a bar on a time line. The bars are oriented across the time line, the position of each bar on the time line specifying the amount of delay time of the represented delay tap.... Agent: Apple Inc./bstz Blakely Sokoloff Taylor & Zafman LLP

20080212666 - Interference rejection in radio receiver: An interference rejection algorithm for a radio receiver is presented. According to the present solution a signal comprising a training sequence and a data sequence is received at the radio receiver. A radio channel response may be estimated from the received training sequence, and interference parameters may be estimated from... Agent: Squire, Sanders & Dempsey L.L.P.

20080212668 - Data transmission method, transmitter and receiver therefor:

20080212669 - Pulse generator, communication device, and pulse generation method: A pulse generator which, by generating a carrier wave having a certain frequency over a predetermined unit duration time, generates a modulated pulse signal, having a pulse width regulated by the unit duration time, which bears information contained in a baseband signal, includes: a pulse width adjustment section which adjusts... Agent: Harness, Dickey & Pierce, P.L.C

20080212670 - Information distribution apparatus, information distribution method, and information distribution program: An information distribution apparatus includes a determination unit configured to determine the configuration of a stream including video data and audio data, a creating unit configured to create combination information indicating combinations of video data and audio data making up the stream, based on the results of the determination, and... Agent: Canon U.s.a. Inc. Intellectual Property Division

20080212672 - Method and apparatus for delivery of metadata synchronized to multimedia contents: A metadata transmitter synchronized with multimedia contents comprises: a multimedia contents authoring unit for generating and editing multimedia contents; a multimedia contents format converter for compressing the multimedia contents, converting them into a transmission format, and outputting them; a metadata authoring unit for generating and editing metadata for describing the... Agent: Blakely Sokoloff Taylor & Zafman LLP

20080212671 - Mpeg audio encoding method and apparatus using modified discrete cosine transform: An MPEG audio encoding method, a method for determining a window type when encoding MPEG audio, a psychoacoustic modeling method when encoding MPEG audio, an MPEG audio encoding apparatus, an apparatus for determining a window type when encoding MPEG audio, and a psychoacoustic modeling apparatus in an MPEG audio encoding... Agent: Sughrue Mion, PLLC

20080212673 - Systems and methods for adaptively determining i frames for acquisition and base and enhancement layer balancing: The invention includes apparatus, systems and methods for processing multimedia data. A method of processing multimedia data may include encoding a frame of the multimedia data as an I frame, a channel switch frame, and a P frame and selecting the encoded I frame if a size of the encoded... Agent: Qualcomm Incorporated

20080212674 - Method and apparatus for video decoding and de-interlacing: A method for video decoding in a video decoding/de-interlacing display apparatus that utilizes a storage device having four frame buffers is provided. The method includes following steps: (a) decoding video data of a next picture; (b) if the next picture is a B picture, buffering the decoded video data of... Agent: North America Intellectual Property Corporation

20080212678 - Computational reduction in motion estimation based on lower bound of cost function: A method for motion estimation comprising the steps of (A) determining whether a cost of encoding one or more prediction parameters for a current search position is less than a current best cost, (B) when the cost of encoding the one or more prediction parameters for the current search position... Agent: Christopher P Maiorana, PC Lsi Corporation

20080212677 - Efficient video block mode changes in second pass video coding: This disclosure describes techniques for second pass video coding in a multi-pass video coding scenario. The coding modes for some video blocks encoded during a second pass may be changed relative to the coding modes used for such video blocks in the first pass. However, motion information does not change... Agent: Qualcomm Incorporated

20080212680 - Method and system for transcoding video data: A first method of transcoding video data is disclosed that generates a motion vector for a macroblock encoded as a dual prime macro block that has a direct motion vector, and differential motion vector for its two fields respectively. Another method of transcoding includes replacing a skipped P-macroblock that has... Agent: Larson Newman Abel Polansky & White, LLP

20080212679 - Motion estimation with dual search windows for high resolution video coding: A memory-efficient motion estimation technique for high-resolution video coding is proposed. The main objective is to reduce the external memory access, especially for limited local memory resource. The reduction of memory access can successfully save the notorious power consumption. The key to reduce the memory access is based on center-biased... Agent: Rosenberg, Klein & Lee

20080212676 - Motion parameter engine for true motion: Local motion estimation is described herein. Each picture of a video is partitioned into blocks for the local motion estimation. An extended-block FFT is calculated for each block, where the extended-block denotes that a certain area around the block is also included for applying FFT. Extending the block for FFT... Agent: Jonathan O. Owens Haverstock & Owens LLP

20080212675 - Motion vector estimating device, and motion vector estimating method: To provide a motion vector estimating device which is capable of calculating the optimum motion vector by a trade-off between the bit rate of a motion vector and a differential amount, and estimating a motion vector in a pipeline structure at high speed, a motion vector estimating method which enables... Agent: Mcdermott Will & Emery LLP

20080212681 - Video encoding and video/audio/data multiplexing device: The present invention provides a buffer architecture and latency reduction mechanism for buffering uncompressed/compressed information. This combination provides for a proficient division of the encoding task and quicker through-put time. The invention teaches a single chip digital signal processing device for real time video/audio compression comprising a plurality of processors,... Agent: Mcandrews Held & Malloy, Ltd

20080212682 - Reduced resolution video transcoding with greatly reduced complexity: A method for receiving encoded MPEG-2 video signals and transcoding the received encoded signals to encoded H.264 reduced resolution video signals, including the following steps: decoding the encoded MPEG-2 video signals to obtain frames of uncompressed video signals and to also obtain MPEG-2 feature signals; deriving H.264 mode estimation signals... Agent: Martin Novack

20080212683 - Image decoding device, image encoding device and system lsi: An image decoding device according to the present invention is an image decoding device responding to decoding of an image encoding method selecting an encoding table and an encoding format to use according to the kind of a parameter included in encoded data and comprises a bit stream processing unit... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080212686 - Method of reducing a blocking artifact when coding moving picture: A method of coding a moving picture is provided that reduces blocking artifacts. The method can include defining a plurality of defining pixels S0, S1, and S2, which are centered around a block boundary. If a default mode is selected then frequency information of the surroundings of the block boundary... Agent: Fish & Richardson P.C.

20080212685 - System for the capture of evidentiary multimedia data, live/delayed off-load to secure archival storage and managed streaming distribution: This system is a unique development of apparatus and enabling software functionality specifically aimed at surveillance and monitoring activities and the statutes and administrative policies that govern them. The system incorporates video and audio capture devices and a conventional computer in which unique software functionality creates an authenticating evidentiary audit... Agent: James W. Masten, Jr.

20080212684 - Video decoder with hybrid reference texture: The present invention relates to a video decoder (DEC) for decoding a bit stream (BS) corresponding to pictures (P) of a video signal, the coded pictures being likely to include macroblocks coded in a progressive and in an interlaced way. The decoder includes a decoding unit (DEU) for decoding macroblocks... Agent: Nxp, B.v. Nxp Intellectual Property Department

20080212687 - High accurate subspace extension of phase correlation for global motion estimation: A method for achieving high sub-unit accuracy during global motion estimation of sequential video frame images is described herein. The method estimates the global motion using an existing phase-correlation approach, and further refines it to a sub-unit level using the neighborhood values of the phase correlation surface peak The method... Agent: Haverstock & Owens LLP

20080212689 - Intelligent water ring scan apparatus and method based on quality factor, and video encoding/decoding apparatus and method using the same: Provided are intelligent water ring scan apparatus and method thereof, image encoding/decoding apparatus using the water ring scanning and method thereof, and a computer-readable recording medium for recording a program that implements the methods. The apparatus or method of this research selectively improves the image quality of a particular image... Agent: Blakely Sokoloff Taylor & Zafman LLP

20080212688 - Method for reception of dvb-h signals and dvb-h receiver: The invention relates to a Method for reception of DVB-H signals wherein a MPEG transport stream (MPEG-TS) is grouped into packets belonging to a certain IP data stream and forming bursts in time slices, the MPEG-TS is modulated into OFDM symbols, these symbols are grouped in frames, the frames themselves... Agent: Nxp, B.v. Nxp Intellectual Property Department

20080212690 - Transcoder media time conversion: In general, this disclosure describes techniques of compensating for differences between a clock associated with an input stream of media data and a clock associated with an output stream of media data. Due to drift between a clock that governs the rate at which a transcoder receives media data units... Agent: Qualcomm Incorporated

20080212691 - Signalling method and apparatus: An electrical signalling system comprises a modulator arranged to accept information and encode that information in an alternating signal containing repeated rising and falling edges, the encoding being by way of the time between consecutive rising or consecutive falling edges, a transmission path for the signal from modulator to a... Agent: Madan, Mossman & Sriram, P.C.

20080212699 - Communication control apparatus and control method thereof, communication apparatus and control method thereof, wireless communication system, program, and storage medium: A communication control apparatus that performs wireless communication with a plurality of communication apparatuses, the communication control apparatus comprises: a grouping unit adapted to group the plurality of communication apparatuses based on the relative positions of each of the plurality of communication apparatuses; a notification unit adapted to notify each... Agent: Morgan & Finnegan, L.L.P.

20080212697 - Doppler dependent power control and sub-carrier allocation in ofdm multiple access systems: Digital data Symbols from a transceiver are transmitted to at least two remote transceivers in a wireless Communications System employing Orthogonal Frequency Division Multiplexing, wherein a number of available sub-carriers are shared between said remote transceivers. Information about magnitudes of Doppler effect experienced by the remote transceivers is provided; sub-carriers... Agent: Ericsson Inc.

20080212698 - Method and apparatus for allocating a plurality of data symbols in a wireless communication system: A method of allocating a plurality of data symbols from a transmitting end using multiple carrier modulation (MCM) is disclosed. More specifically, the method includes receiving the plurality of data symbols from a serial-to-parallel converter, grouping the plurality data symbols into at least one data symbol group, wherein the at... Agent: Lee, Hong, Degerman, Kang & Schmadeka

20080212692 - Method and apparatus for multimode, point to multipoint base station capable of supporting both ofdm and ofdma subscribers: A method and system for providing multilingual wireless communications network are disclosed. The present invention discloses a mechanism of receiving and/or transmitting an OFDM data stream using IEEE 802.16-2004 standard and an OFDMA data stream using IEEE 802.16e standard. A timing division duplexing (“TDD”) frame is configured to contain data... Agent: Townsend And Townsend And Crew, LLP

20080212703 - Method and apparatus for subchannel assignment for suppressing interantenna interference in ofdma system: Disclosed is a method and an apparatus for subchannel assignment for suppressing inter-antenna interference in an Orthogonal Frequency Division Multiplexing Access (OFDMA) system based distributed wireless communication system equipped with antennas that are randomly distributed in a geographical manner and can simultaneously communicate with multiple Subscriber Stations (SSs). The method... Agent: Cha & Reiter, LLC

20080212700 - Method and apparatus for transmitting and receiving control channel message in a mimo mobile communication system: A method and apparatus for transmitting and receiving a control channel message in a Multiple Input Multiple Output (MIMO) mobile communication system are provided, in which a control channel message generator generates a pilot/MIMO field indicating at least one of a pilot format, a MIMO transmission rank being a number... Agent: The Farrell Law Firm, P.C.

20080212701 - Method and apparatus for transmitting control signaling for mimo transmission: A method and apparatus for processing multiple-input multiple-output (MIMO) transmission are disclosed. A wireless transmit/receive unit (WTRU) receives downlink control information including WTRU-specific MIMO and transport format information and MIMO information for all other WTRUs assigned to the same resource. The WTRU processes received MIMO data based on the downlink... Agent: Volpe And Koenig, P.C. Dept. Icc

20080212704 - Mimo transmission and reception methods and devices: In a wireless transmitting device which performs transmission by an OFDM using a plurality of subcarriers orthogonal to each other, a plurality of preambles to which a plurality of different subcarrier groups selected from a plurality of subcarriers within an OFDM signal band are allocated are transmitted by using a... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080212702 - Precoded pilot transmission for multi-user and single user mimo communications: The disclosed method and apparatus include an WTRU-specific reference signal scheme that provides efficient precoded pilot transmission and effective channel estimation using dedicated pilot signals. The disclosed methods are efficient for both a single user (SU) and a multi user (MU) Multiple Input Multiple Output (MIMO) system.... Agent: Volpe And Koenig, P.C. Dept. Icc

20080212705 - Radio communication method, radio transmitting apparatus, and radio receiving apparatus: A duplicating section duplicates a bit sequence to be input, and a 16QAM section modulates a bit sequence of a duplicating source to form a symbol, a 16QAM section modulates the duplicated bit sequence to form a symbol, an S/P section parallel converts the symbol sequence input in series, an... Agent: Dickinson Wright PLLC

20080212696 - Radio-communication device and radio-communication method: An OFDM symbol including 52 tones is transmitted when the MM packet is used, but an OFDM symbol including 56 tones is transmitted when the GF packet is used. Therefore, it is verified whether or not a signal exists in an FFT output at each of ±27 and 28 shown... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080212694 - Signal decoding systems: We describe a method of decoding a DCM (dual carrier modulation) modulated OFDM signal, the method comprising: inputting first received signal data representing modulation of a multibit data symbol onto a first carrier of said OFDM signal using a first constellation; inputting second received signal data representing modulation of said... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20080212695 - Transmission methods and apparatus in multi-band ofdm wideband systems: Methods and apparatus for use in a multi-band OFDM wideband transmission systems are disclosed. A frame of source data is mapped by a transmitter for transmission using a first mapping. The frame of source data is then mapped by the transmitter for retransmission using a second mapping to increase frequency... Agent: Ratnerprestia

20080212693 - Transmitter and receiver for ultra-wideland ofdm signals employing a low-complexity cdma layer for bandwidth expansion: A method and apparatus for transmitting and receiving high-bandwidth OFDM signals, while limiting the complexity of the OFDM signal processing is described. Bandwidth expansion is achieved by repetition of whole OFDM symbols with the polarity of repetitions determined by a long PN code. This technique ensures a perfectly white spectrum.... Agent: Nxp, B.v. Nxp Intellectual Property Department

20080212706 - Transmission method and transmission system: A transmission device (100) includes a differential encoding section (101) for differentially encoding transmission data, a first waveform generation section (102), a second waveform generation section (103), and two transmission antennas (109 and 110). A reception device (140) includes a reception antenna (141), a delay detection section (144), and a... Agent: Wenderoth, Lind & Ponack L.L.P.

20080212707 - Method and system for a digital polar transmitter: Aspects of a system for a digital polar transmitter may include a digital to analog converter circuit (DAC), for which an analog voltage and/or current step size generated in response to a sequence of received binary numbers may be dynamically programmable based on an input control signal. The input control... Agent: Mcandrews Held & Malloy, Ltd

20080212708 - Method and apparatus for carrier recovery in a communications system: A satellite communications system comprises a transmitter, a satellite transponder and a receiver. The transmitter transmits an uplink layered modulation signal having an upper layer and a lower layer to the satellite transponder, which broadcasts the layered modulation signal downlink to one, or more, receivers. The receiver receives the layered... Agent: Joseph J. Laks Thomson Licensing LLC

20080212709 - Three phase and polarity encoded serial interface: A high speed serial interface is provided. In one aspect, the high speed serial interface uses three phase modulation for jointly encoding data and clock information. Accordingly, the need for de-skewing circuitry at the receiving end of the interface is eliminated, resulting in reduced link start-up time and improved link... Agent: Qualcomm Incorporated

20080212711 - Iq-imbalance: The invention relates to a method for correcting an IQ-imbalance (In-phase and Quadrature) of an IQ-based direct conversion receiver (200). In the method a group of radio frequency pilot signals are received in the direct conversion receiver (200). They are conveyed to an in-phase branch and a quadrature-phase branch of... Agent: Alston & Bird LLP

20080212710 - Method and apparatus for frequency division multiplexing: A radio transmitter and receiver arrangement includes a transmitter and a receiver. The transmitter generates an electromagnetic carrier that varies in frequency throughout a channel interval, and modulates the carrier with an information signal during the channel interval, whereby the carrier is modulated both in frequency and in accordance with... Agent: Smith-hill And Bedell, P.C.

20080212712 - Power control device: The invention relates to a power control device for a power output stage. A forward signal corresponding to a wave advancing on a wall feed line and a return signal corresponding to a wave returning on the wave feed line is obtained by means of a directional coupler and is... Agent: Marshall, Gerstein & Borun LLP

20080212713 - Method and apparatus for generating training sequence code in a communication system: A method and apparatus for generating a TSC in a communication system are provided, in which a pair of sequences A and B having auto-correlation and cross-correlation properties are generated and the TSC is generated by inserting guard sequences Z each having z zero symbols in the most significant bits... Agent: The Farrell Law Firm, P.C.

20080212714 - Spatial multiplexing architecture with finite rate feedback: A spatial multiplexing architecture is described for a MIMO communications system wherein the receiver feeds a number of bits of channel state information back to the transmitter. The architecture includes jointly designed ordered detection at the receiver and rate/power allocation at the transmitter. The receiver feeds back a finite number... Agent: Lathrop & Gage Lc

20080212715 - Method and apparatus for baseline wander compensation in ethernet application: An embodiment of the proposed invention is primarily applied to compensate the BLW in communication systems using THPs in their transmitters, especially suitable for the 10GBase-T Ethernet application. The present apparatus includes an additional decision device (slicer) used to generate DC offset information (error signal) and an extra modulus unit... Agent: Rosenberg, Klein & Lee

20080212716 - Burst mode receiver for passive optical network: A receiver assembly for use in an optical telecommunications network is provided that automatically generates a reference level for the incoming signal burst based on its preamble without the need to pre-process the entire signal burst. The entire signal burst is fed directly from the TIA into the input of... Agent: Barlow, Josephs & Holmes, Ltd.

20080212717 - Carrier frequency detection for signal acquisition: A carrier frequency in a filtered received M-ary phase-shift keyed (MPSK) modulated signal having in-phase and quadrature components is detected by processing the filtered received signal to remove modulation components and thereby generate a test signal at the carrier frequency; processing the test signal to provide an amplitude spectrum of... Agent: Edward W Callan

20080212719 - Motion vector detection apparatus, and image coding apparatus and image pickup apparatus using the same: A search range setting unit sets a search range to be matched with a targeted region of an image to be coded, in a reference image. A computing unit performs computation in a manner such that matching between the targeted region and a region within the search range is computed... Agent: Mcdermott Will & Emery LLP

20080212718 - Multi-rate tracking circuit: A multi-rate tracking circuit with an input for a signal, an output arranged to indicate a current proposed level related to the signal, and voting logic connected to the input, arranged to indicate of a direction of change in the current proposed level. A first counter is connected to the... Agent: Alan K. Stewart Texas Instruments Inc

20080212721 - Low complexity maximum likelihood sequence detection system and methods: A system and method implement low complexity maximum likelihood sequence detection. A decision feedback algorithm computes x(M+D+L−1). Optimality examination is performed for x(M), and state values and values of Markov states along paths from states in x(M) to x1(M+L) are computed.... Agent: Lathrop & Gage Lc

20080212720 - Maximum likelihood decoder for pulse position modulation multi-source system: The present invention concerns a sphere decoder for a maximum likelihood receiver intended to receive PPM symbols at M modulation positions from a plurality P of sources. The sphere decoder uses a Schnorr-Euchner type enumeration adapted to classify the points of a multidimensional PPM modulation.... Agent: Thelen Reid Brown Raysman & Steiner LLP

20080212722 - Method and apparatus providing an advanced mimo receiver that includes a signal-plus-residual interference (spri) detector: A method is disclosed to obtain M final symbol decisions for signals received through N receive antennas that were transmitted in M parallel data layers, using a same spreading code from M transmit antennas. The method includes space-time equalizing the N received signals to generate M output signals from which... Agent: Harrington & Smith, PC

20080212725 - Digital predistortion for cognitive radio: Embodiments of cognitive radio technology can recover and utilize under-utilized portions of statically-allocated radio-frequency spectrum. A plurality of sensing methods can be employed. Transmission power control can be responsive to adjacent channel measurements. Digital pre-distortion techniques can enhance performance. Embodiments of a high DNR transceiver architecture can be employed.... Agent: West & Associates, A PC

20080212726 - Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor: An apparatus for processing a signal and method thereof are disclosed. Data coding and entropy coding are performed with interconnection, and grouping is used to enhance coding efficiency. The present invention includes the steps of obtaining difference information and entropy-decoding the difference information according to an entropy coding scheme including... Agent: Fish & Richardson P.C.

20080212723 - Signal processing apparatus, signal processing method, and program: In a signal processing apparatus adapted to process a signal transmitted via a transmission path, distortion of a waveform of a signal value of a specific symbol is predicted on the basis of a characteristic of distortion depending on values of symbols transmitted before the specific symbol, and the distortion... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080212724 - Wireless communications system having reduced noise mode operation capability: A wireless communication system having a terminal unit operates in a reduced noise state during receipt of a wireless transmission from a control unit. The terminal unit includes terminal circuitry, a radio and noise management circuitry. The noise management circuitry partially or fully disables operation of the terminal circuitry during... Agent: John H. Sherman, Legal Dept. Intermec Technologies Corporation

20080212727 - Method for receiving a multicarrier signal using at least two estimates of a propagation channel and corresponding reception device: A method is provided for receiving a multicarrier signal including a time-based succession of symbols, each including a plurality of multicarriers bearing data, at least one of said symbols including at least one reference pilot. The method includes the following steps: a first estimation of a propagation channel, in accordance... Agent: Westman Champlin & Kelly, P.A.

20080212728 - Method and apparatus for generating clocks for a handheld multistandard communication system: Systems and methods for processing signals are disclosed. The method may include, in a communication system comprising a plurality of devices, controlling the supply of one or more clock signals from a first clock source to one or more of the plurality of devices based on a signal communicated from... Agent: Mcandrews Held & Malloy, Ltd

20080212729 - Low jitter clock recovery from a digital baseband data signal transmitted over a wireless medium: A system and method of transmitting a data stream from a data source over a baseband wireless communication system to one or more receivers. The receivers simultaneously recover the data and clock signals of the original data stream from the wireless transmitted data so that the data stream can be... Agent: John Alexander Galbreath

20080212730 - Pll/dll dual loop data synchronization: A dual loop (PLL/DLL) data synchronization system and method for plesiochronous systems is provided. A dual loop data serializer includes a phase lock loop (PLL) and a delayed lock loop (DLL) configured with a phase shifter in the feedback path of the PLL. The dual loop serializer locks to the... Agent: Noblitt & Gilmore, LLC.