Pulse or digital communications inventions 10/07

20070248145 - Enhanced ultra wide band signal detection using an ultra wide band kernel: A system and method is provided for improving the operating range for UWB communication systems by increasing the margin between true correlation peaks and false correlation peaks in a received UWB signal. A received signal is first correlated with a UWB kernel before being correlated with the PRN code. The... Agent: Cesari And Mckenna, LLP

20070248146 - Methods and systems for tone hopping: Methods and systems for tone hopping are provided. In one embodiment, a method for an orthogonal frequency division multiplexing (OFDM) multipoint-to-point communications system comprises: establishing communication between a first remote unit of a plurality of remote units and a host unit, the plurality of remote units communicatively coupled to the... Agent: Fogg & Powers LLC

20070248147 - Apparatus, method, and computer program product providing improved uplink pilot transmission schemes: In one non-limiting aspect thereof, the exemplary embodiments of this invention provide a user equipment that includes a data processor; and a wireless transceiver configured to transmit uplink pilot signals during sub-bands and slots, wherein at least three blocks (LB1, LB2 and LB3) are reserved for pilot signals. LB1 and... Agent: Harrington & Smith, PC

20070248148 - Non-contiguous variable length orthogonal codes: Systems for transmitting information symbols utilize ternary codes or pivot codes in conjunction with spread spectrum encoding. The systems comprise at least a first symbol source for supplying an information signal comprising at least a first stream of I,Q bit pairs, means for using either a ternary code or at... Agent: Nixon & Vanderhye, PC

20070248149 - Spread code allocating method, despreading method, transmitting device, receiving device, communicating device, wireless base station device, and mobile terminal device: When a two-dimensional spread code, with which spreading is made in time and frequency directions, is allocated to each channel, spread codes at least one of time and frequency directions of which are mutually orthogonal, and with which despreading can be made with spreading factors that are smaller than the... Agent: Bingham Mccutchen LLP

20070248150 - Receiver and reception method: A data reception method and a receiver in a WCDMA telecommunication system are provided. The receiver comprises a sampler (208) for sampling a received frame format signal comprising at least two diversity branches; a despreader (210) for despreading the sampled signal, the despreaded signal comprising symbols; a first memory (212)... Agent: Squire, Sanders & Dempsey L.L.P.

20070248151 - Inter-carrier interference cancellation method and receiver using the same in a mimo-ofdm system: A receiver for ICI cancellation in a MIMO system is provided, in which a detection orderer determines a subcarrier detection order according to SINRs of subcarriers in an I-CMOS, a detector receives a vector on the subcarriers and a priori information from a decoder according to the subcarrier detection order... Agent: The Farrell Law Firm, P.C.

20070248152 - Fast fourier transform based phase locked loop for navigational receivers: Fast Fourier Transform (FFT) based Phase Lock Loops (PLLs) are provided for use in navigational signal receivers. In an embodiment, a navigation receiver correlates a received navigational signal with a locally generated signal into correlation samples, e.g., one-millisecond correlation samples. The navigation receiver includes a FFT based PLL that corrects... Agent: Orrick, Herrington & Sutcliffe, LLPIPProsecution Department

20070248153 - Discrete multi-tone (dmt) system and method that communicates a data pump data stream between a general purpose cpu and a dsp via a buffering scheme: The apparatus and method herein splits the function of a digital subscriber line (DSL) modem data pump between a digital signal processor (DSP 106) and a general purpose host central processing unit (CPU 102). The DSP (106) handles all front end data pump processing such as interface to an analog... Agent: Freescale Semiconductor, Inc. Law Department

20070248154 - Splitterless multicarrier modem: A modem for use in Digital Subscriber Line communications transmits and receives data over the local subscriber loop in common with voice information over the loop, while avoiding the need for voice/data splitters. The modem responds to disruptions associated with “disturbance events” such as on-hook to off-hook transitions and the... Agent: Sheridan Ross P C

20070248155 - Measuring noise power at wireless receivers using pilot symbol information: Embodiments are directed to a wireless receiver system that utilizes a special structure of pilot symbols used for synchronization and channel estimation in transmission packets to measure noise power at the receiver. The periodicity of the pilot signal sequences is used to extract the noise power from the received signal.... Agent: Courtney Staniford & Gregory LLP

20070248156 - Systems and methods of rf power transmission, modulation, and amplification, including embodiments for compensating for waveform distortion: Methods and systems for vector combining power amplification are disclosed herein. In one embodiment, a plurality of signals are individually amplified, then summed to form a desired time-varying complex envelope signal. Phase and/or frequency characteristics of one or more of the signals are controlled to provide the desired phase, frequency,... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20070248157 - Method and apparatus to encode and decode multi-channel audio signals: An encoder (100) for encoding a multi-channel audio signal comprises a prediction processor (101) which generates two residual signals for two signal components of the multi-channel signal by linear prediction which is associated with psycho-acoustic prediction filters. A rotation processor (105) rotates the combined signal of the two residual signals... Agent: Philips Intellectual Property & Standards

20070248158 - Method for coding video data of a sequence of pictures: The method comprising a temporal analysis implementing a motion compensated temporal filtering, said filtering comprising, to get a high frequency band picture H at a temporal level l, a predict step implementing high pass filtering of pictures L of lower temporal level, and, to get a low frequency band picture... Agent: Joseph J. Laks, Vice President Thomson Licensing LLC

20070248159 - Video compression system: A video compression system is disclosed that is optimized to take advantage of the types of redundancies typically occurring on computer screens and the types of video loss acceptable to real time interactive computer users. It automatically adapts to a wide variety of changing network bandwidth conditions and can accommodate... Agent: Davidson Berquist Jackson & Gowdey LLP

20070248165 - Method and apparatus enabling fast channel change for dsl system: There is provided methods and apparatus for enabling a fast channel change for a Digital Subscriber Line (DSL) system. A channel change processing unit for enabling a channel change in a DSL system includes a demultiplexer (132) and a selector (134) in signal communication with the demultiplexer. The demultiplexer (132)... Agent: Joseph J. Laks, Vice President Thomson Licensing LLC

20070248161 - System and method for generating video data for implicit coefficient prediction decoding: A predictive video coder performs gradient prediction based on previous blocks of image data. For a new block of image data, the prediction determines a horizontal gradient and a vertical gradient from a block diagonally above the new block (vertically above a previous horizontally adjacent block). Based on these gradients,... Agent: At&t Corp.

20070248160 - System and method of providing directional information for direct prediction: A system and method are disclosed for decoding signals of a block of image data. The method comprises receiving a parameter or an index associated with a direction of a plurality of prediction directions and decoding a block of image data utilizing image data predicted from an adjacent block according... Agent: At&t Corp.

20070248162 - Video coder providing implicit coefficient prediction and scan adaptation for image coding and intra coding of video: A predictive video coder performs gradient prediction based on previous blocks of image data. For a new block of image data, the prediction determines a horizontal gradient and a vertical gradient from a block diagonally above the new block (vertically above a previous horizontally adjacent block). Based on these gradients,... Agent: At&t Corp.

20070248166 - Image stabilization method: In one embodiment, a method for reducing motion artifacts in an output image is provided. The method comprises capturing multiple frames of a scene; determining local motion vectors between each pixel in a current frame and a corresponding pixel in the a previous frame; and performing a temporal filtering operation... Agent: Hahn And Moodley, LLP

20070248167 - Image stabilizer, system having the same and method of stabilizing an image: An image stabilizer includes a motion estimation unit, a motion vector selection unit, a motion compensation vector calculation unit and an image compensation unit. A plurality of divided areas of a picture is projected onto a plurality of windows. The motion estimation unit extracts motion vectors from the plurality of... Agent: F. Chau & Associates, LLC

20070248168 - 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.

20070248164 - Quantization adjustment based on texture level: A video encoder identifies a current smooth region of a current picture in a sequence and performs temporal analysis by determining whether a corresponding region in at least one previous and/or future picture is smooth. Based at least in part on the temporal analysis, the encoder adjusts quantization in the... Agent: Klarquist Sparkman LLP

20070248163 - Quantization adjustments for dc shift artifacts: A video encoder identifies one or more portions of a video picture that contain DC shift blocks and adjusts quantization (e.g., by selecting a smaller quantization step size) to reduce contouring artifacts when the picture is reconstructed. The encoder can identify the portion(s) of the picture that contain DC shift... Agent: Klarquist Sparkman LLP

20070248169 - Method and apparatus for coding information: The invention provides a method and apparatus for coding information that is specifically adapted for smaller presentation formats, such as in a hand held video player. The invention addresses, inter alia, reducing the complexity of video decoding, implementation of an MP3 decoder using fixed point arithmetic, fast YcbCr to RGB... Agent: Glenn Patent Group

20070248171 - Method and device for reading data received in protected form corresponding security message router and tool for removing protection: The inventive method for reading data received in the protected form consists in transmitting at least certain protected data to a protection removing tool. The protected data is retrieved from a buffer memory of a read stream of said data and is transmitted to the protection removing tool by a... Agent: Drinker Biddle & Reath LLP Attn: Patent Docket Dept.

20070248170 - Transmitting apparatus, receiving apparatus, and reproducing apparatus: It is possible to conduct reproduction control so as to thin out frames or widen the frame interval without deterioration of a reproduction quality. A transmitting apparatus (1) includes an encoding unit (3) for temporally dividing media data having a temporal continuity and encoding the media data, a reproduction information... Agent: Birch Stewart Kolasch & Birch

20070248177 - Ofdm receiver and its automatic gain control circuit: An OFDM receiver includes: a variable gain amplifier controlling a signal level of an intermediate frequency signal that is obtained from a reception signal by frequency-conversion; and an automatic gain controller controlling a gain of the variable gain amplifier means. The automatic gain controller includes: a clip detector comparing a... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070248178 - Proportional fair scheduler for ofdma wireless systems: A scheduler and a method schedule available power and bandwidth to users. Equations for a continuous bandwidth allocation of a total bandwidth, and/or a continuous power distribution of a total power, are set up using Lagrangian multipliers to include constraints in a function that is maximum when a fair capacity... Agent: Staas & Halsey LLP

20070248174 - Method and system for implementing multiple-in-multiple-out ofdm wireless local area network: A method and associated systems for implementing MIMO communication systems are disclosed. The systems comprise at least one encoder (120a, 120b) for Reed-Solomon encoding a corresponding input data stream of data packets; at least one interleaver (124a, 124b) for interleaving bits of a corresponding encoded input data stream, at least... Agent: Philips Intellectual Property & Standards

20070248175 - Method for generating preamble structures and signaling structures in a mimo ofdm transmission system: The disclosure relates to a method for generating preamble structures and signaling structures for a data signal in a MIMO-OFDM transmission system with a multitude of antennas. To this end, the preamble structure has, for each antenna, a synchronization section with a predetermined synchronization sequence and has a channel estimation... Agent: Bell, Boyd & Lloyd, LLP

20070248173 - Ofdma based on cognitive radio: A multiuser scheme allowing for a number of users, sets of user, or carriers to share one or more channels is provided. In the invention, the available channel bandwidth is subdivided into a number of equal-bandwidth subchannels according to standard OFDM practice. The transmitter is informed by an application that... Agent: Wolf Greenfield (microsoft Corporation) C/o Wolf, Greenfield & Sacks, P.C.

20070248176 - Radio transmission device and radio transmission method in multi-carrier communication: There is provided a radio transmission device capable of improving the system throughput in multi-carrier communication. The device includes IQ separation units (20-1 to 2O-K) for separating an I channel and a Q channel from the inputted symbol and inputting them into control units (22). The control units (22-1 to... Agent: Stevens, Davis, Miller & Mosher, LLP

20070248172 - System and method for transmitting signals in cooperative base station multi-user mimo networks: A method transmits and receives signals in a cooperative, multi-user, multi-input, multi-output network. The network includes base stations (BSs) and mobile stations (MSs). Each BS has at least two antennas, and each MS has at least one antenna. At a first base station and a second base station using linear... Agent: Patent Department Mitsubishi Electric Research Laboratories, Inc.

20070248179 - Variable ofdm subchannel coding and modulation: A system for selecting a modulation scheme and an error correction coding scheme for each subchannel in an OFDM system based on the energy detected on that subchannel.... Agent: Wolf Greenfield (microsoft Corporation) C/o Wolf, Greenfield & Sacks, P.C.

20070248180 - Receiver for object locating and tracking systems and related methods: A communications system, such as part of a real-time location system, includes a transmitter that can be part of a location processor, tag emission reader or tag interrogator that generates a frequency shift key (FSK) modulated wireless communication signal representative of digital data and transmits the communications signal over a... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20070248181 - Protection of communication systems against repetitive electrical impulse noise: A method limits the effect of repetitive electrical impulse noise in a communication system. The presence of the repetitive electrical impulse noise is detected during communication service. If the repetitive electrical impulse noise is detected, then a message is transmitted which signals that the repetitive electrical impulse noise is present.... Agent: Thomas G. Eschweiler, Esq. Eschweiler & Associates, LLC

20070248182 - Recovering data and clock from t1 signals: In a method for recovering clock and data from T1 signals, an analog T1 signal is compared with positive and negative thresholds to obtain a positive bipolar signal and a negative bipolar signal. From the bipolar signals, pulses whose duration is below a minimum width value v1 are removed to... Agent: Siemens Schweiz Ag I-47, Intellectual Property

20070248183 - Digital broadcasting transmission/reception system having improved receiving performance and signal processing method thereof: A digital broadcasting transmission/reception system having improved receiving performance and signal processing method thereof. A digital broadcasting transmitter according to the present invention includes a data pre-processor which processed robust data and generates robust data packet of predetermined format, a TS stream generator which combines robust data packet with a... Agent: Stanzione & Kim, LLP

20070248184 - Method and system for bandwidth calibration for a phase locked loop (pll): Aspects of a method and system for bandwidth calibration for a phase locked loop are presented. Aspects of the method may include generating one or more carrier signals based on one or more corresponding calibration signals. A pre-distortion function may be computed based on the generated one or more carrier... Agent: Mcandrews Held & Malloy, Ltd

20070248185 - Systems and methods of rf power transmission, modulation and amplification, including embodiments for compensating for waveform distortion: Methods and systems for vector combining power amplification are disclosed herein. In one embodiment, a plurality of signals are individually amplified, then summed to form a desired time-varying complex envelope signal. Phase and/or frequency characteristics of one or more of the signals are controlled to provide the desired phase, frequency,... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20070248186 - Systems and methods of rf power transmission, modulation, and amplification, including embodiments for compensating for waveform distortion: Methods and systems for vector combining power amplification are disclosed herein. In one embodiment, a plurality of signals are individually amplified, then summed to form a desired time-varying complex envelope signal. Phase and/or frequency characteristics of one or more of the signals are controlled to provide the desired phase, frequency,... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20070248187 - Vsb transmission system: A vestigial sideband (VSB) modulation transmission system and a method for encoding an input signal in the system are disclosed. According to the present invention, the VSB transmission system includes a convolutional encoder for encoding an input signal, a trellis-coded modulation (TCM) encoder for encoding the convolutionally encoded signal, and... Agent: Lee, Hong, Degerman, Kang & Schmadeka

20070248188 - Method for modulating a signal: A method for modulating a signal transmitted by a first device to a second device which is energised by the signal, wherein the first device is further arranged to amplitude modulate the signal so as to transmit data thereon, the method further comprising phase modulating the signal.... Agent: Hewlett Packard Company

20070248189 - Symbol timing detector and wireless terminal: A wireless terminal detects the symbol timing in a received modulated signal and demodulates the signal. Symbol timing can be stably controlled, even when frequency deviation occurs in the wireless communication frequencies. Sampling means samples signal values of the modulated signals at a period that is shorter than the symbol... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20070248192 - Data slicer circuit, demodulation stage, receiving system and method for demodulating shift key coded signals: The invention relates to a data slicer circuit for processing a voltage signal input having two voltage values, each value representative of a value assigned to one characteristic of a modulated baseband carrier signal corresponding to a binary one or zero bit of information, the data slicer comprising first means... Agent: Sughrue Mion, PLLC

20070248191 - Baseband sample selection: A receiver receives a signal and samples it at multiple sample points. During a first time interval, a first subset of the multiple sample points are selected for further receiver processing. During a second time interval, a second different subset of the multiple sample points are selected for further receiver... Agent: Nixon & Vanderhye, PC

20070248190 - Iterative decoding with intentional snr/sir reduction: The excess signal-to-interference ratio (SIR) or the like of a communication channel is determined by repeatedly decoding received information with successively reduced effective SIR. The step size in an outer power control algorithm, for example a Jump Algorithm, such as that commonly used for transmit power control in communication systems... Agent: Potomac Patent Group PLLC

20070248195 - Apparatus for and method of robust packet detection and frequency offset estimation: A novel and useful apparatus for and method of packet detection and carrier frequency offset estimation. The packet detection mechanism is robust to channels and sustains reasonable miss-detect (and false alarm) rates at low SNR values. The mechanism uses a modified combined cross correlation and delay and correlate scheme. A... Agent: Texas Instruments Incorporated

20070248193 - Method for fine timing acquisition: A method of processing a timing synchronization signal includes selecting an initial sequence of complex numbers and modifying the initial sequence based upon a metric applied to the autocorrelation function to enhance its autocorrelation properties within a predetermined window about the main autocorrelation peak determined by the timing uncertainty of... Agent: Mcnees Wallace & Nurick LLC

20070248194 - Method of detecting a predetermined sequence in an rf signal using a combination of correlation and fft: A method and apparatus are provided for recognizing a predetermined sequence within a radio frequency signal received on a Doppler faded radio frequency channel. The method includes the steps of correlating a reference sequence with a sequence of elements of the radio frequency signal received on the Doppler faded radio... Agent: Welsh & Katz, Ltd. Jon P. Christensen

20070248196 - Method and apparatus for receiving signals by a plurality of antennas: A correction unit corrects the phases of received multicarrier signals, respectively, carrier by carrier. A combining unit and a computing unit performs adaptive array processing on the corrected multicarrier signals on a carrier-by-carrier basis. A derivation unit derives, carrier by carrier, a phase for correction to be used by the... Agent: Mcdermott Will & Emery LLP

20070248197 - Automatic gain control apparatus and method in orthogonal frequency division multiplexing: Disclosed is an automatic gain control device in an orthogonal frequency division multiplexing system. A variable gain amplifier controls a gain of an input signal; an energy calculator calculates an energy of the input signal; a truncator accumulates the calculated energies, finds an average thereof, and generates a DC offset... Agent: Dilworth & Barrese

20070248198 - Offset frequency estimation method and apparatus: An offset frequency estimation method includes receiving an input signal comprised of complex samples, detecting phases of the complex samples, estimating a temporary offset frequency and an initial phase from the detected phases of the complex samples using a linear regression analysis method, and estimating a final offset frequency by... Agent: F. Chau & Associates, LLC

20070248199 - Multi-antenna wireless receiver chains with vector decoding: A receiver chain is provided for use in wireless data communication including a plurality of receive antennas and a vector Barker decoder or a CCK decoder. The vector Barker decoder operates on the plurality of received signals, preferably processed through a plurality of channel matched filters. The weightings of the... Agent: Townsend And Townsend And Crew, LLP

20070248200 - Receiving apparatus and transceiver: The present invention has a N pieces of receiving antennas, a propagation path characterization estimator, a weight generator for interference canceller, an array processing interference canceller, a weight generator for signal estimator, a signal estimator, a transmission signal classification apparatus, and a decoding order decision apparatus. The antenna inference elimination... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070248201 - Data recovery apparatus and method for reproducing recovery data: A data recovery apparatus and method for receiving at least an original clock and at least an original data stream output from a transmitter to output at least one recovery data are provided. The original data stream and the recovery data respectively include N steps in a period T of... Agent: Jianq Chyun Intellectual Property Office

20070242730 - Adaptive mostly-digital ultra-wide band receiver: A mostly-digital ultra-wideband (UWB) receiver that includes an adaptive combiner (125) having a matched filter with adaptive filter weights selected to maximize the output signal-to-noise (SNR) ratio and be insensitive to noise, channel and timing errors as the adaptive combiner is not dependent on the shape of the transmitted waveform... Agent: Philips Intellectual Property & Standards

20070242729 - Ultra-wideband (uwb) secure wireless device pairing and associated systems: Methods and systems are disclosed for ultra-wideband (UWB) secure wireless device pairing. Secure pairing between devices for secure UWB communications is conducted over in-band UWB communications to provide secure pairing without requiring a visual confirmation through a graphical user interface (GUI), in particular, for wireless personal area network (WPAN) communications.... Agent: O'keefe, Egan, Peterman & Enders LLP

20070242731 - Pilot aided adaptive minimum mean square interference cancellation and detection: A modified adaptive minimum mean square error (MMSE) receiver detects a spread spectrum signal, minimizing interference among multiple users. The receiver receives multiple pilot bits and corresponding data bits. A channel is estimated using at least one of the received pilot bits and, simultaneously, the data bits are detected based... Agent: Greenblum & Bernstein, P.L.C

20070242732 - Spread spectrum receiver and channel compensation method thereof: A spread spectrum receiver in a communication system compensating channel response, and the method thereof is disclosed. The spread spectrum receiver comprises a multiplier, a filter, a data channel correlator, a delay, and a channel compensator. The multiplier (322) multiplies despread pilots (320) with conjugate of pilot pattern (324) to... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070242734 - Method and apparatus for real-time digital processing of satellite positional signals for fast acquisition and low snr tracking: The invention relates to real-time processing of GPS signals, including correlation of the received signals with stored satellite C/A codes, including the accumulation of coherent data before a correlation score is calculated... Agent: Fish & NeaveIPGroup Ropes & Gray LLP

20070242733 - Method of validating the detection of a correlation peak by a satellite positioning system receiver: The present invention relates to a method of validating the detection of a correlation peak between a signal transmitted by a plurality of navigation satellites and received by an RNSS satellite radio navigation receiver, said signal corresponding to a sum of signals each sent by a satellite and each modulated... Agent: Sughrue Mion, PLLC

20070242735 - Ultra wideband receiver: An ultra-wideband (UWB) receiver utilizing an Xn(n>1) device as a signal detector for short pulse(s), impulse(s) or ultra-wideband signal(s). The transmitted signal comes to antenna and passes through a band pass filter (BPF). The signal is fed into an Xn device. The output signal from the Xn device is fed... Agent: Schwegman, Lundberg & Woessner, P.A.

20070242736 - Antenna adaptation comparison method for high mobility: A system causes a scan angle of a directional antenna to change temporarily from a current scan angle to at least one trial scan angle during reception of predetermined portions of an information carrying signal. At the trial scan angle(s), a trial metric associated with each trial scan angle is... Agent: Volpe And Koenig, P.C. Dept. Icc

20070242737 - Fast initialization using seamless rate adaptation: A method for initializing modems in a multicarrier transmission system to establish a communication link between the transmitter and the receiver. An exemplary embodiment includes the steps of providing a predetermined parameter value that approximates a corresponding actual parameter value of the communication link, establishing a data communication link between... Agent: Sheridan Ross P C

20070242738 - Providing quality of service for various traffic flows in a communications environment: The claimed subject matter relates to providing appropriate QoS treatment to one or more traffic flows associated with a terminal, wherein the QoS treatment is defined within a profile assigned to the terminal and implemented when the terminal requests access to a network. An access mode can receive identifying indicia... Agent: Qualcomm Incorporated

20070242739 - Multi-pair gigabit ethernet transceiver having a single-state decision feedback equalizer: Various systems and methods providing high speed decoding, enhanced power reduction and clock domain partitioning for a multi-pair gigabit Ethernet transceiver are disclosed. ISI compensation is partitioned into two stages; a first stage compensates ISI components induced by characteristics of a transmitter's partial response pulse shaping filter in a demodulator,... Agent: Mcandrews Held & Malloy, Ltd

20070242742 - Digital communication system and method: A digital communication system for transmitting and receiving video data signals and control data signals over a transmission line comprises an open-loop equalizer circuit and a control data extension circuit. The open-loop equalizer circuit is operable to receive video signals transmitted over the transmission line and output equalized video data... Agent: Patent Group 2n Jones Day

20070242741 - One-sample-per-bit decision feedback equalizer (dfe) clock and data recovery: Disclosed are a receiver circuit, method and design architecture of a decision feedback equalizer (DFE) Clock-And-Data Recovery (CDR) architecture that utilizes/produces one sample-per-bit in the receiver and reduces bit-error-rate (BER). An integrating receiver is combined with a decision feedback equalizer along with the appropriate (CDR) loop phase detector to maintain... Agent: Dillon & Yudell LLP

20070242740 - Reducing equalizer error propagation with a low complexity soft output viterbi decoder: Novel systems and methods are described in which performance of equalizers can be improved by reducing the effects of error propagation in equalizers that use a Viterbi Decoder. Systems and methods of symbol correction in prediction decision feedback equalization architectures are described including systems and methods that include an enhanced... Agent: Pillsbury Winthrop Shaw Pittman LLP

20070242743 - Unipolar electric pulse generator: Device for improving in vivo penetration of molecules into cells, comprising a generator of square unipolar electric pulses, an electrode device electrically linked to the generator, and a means (8) of injecting the active agent into the tissues. The generator is adapted to generate a signal consisting of a series... Agent: Judy Jarecki-black

20070242745 - Method and apparatus to transmit data on plc network by aggregating data: A method and apparatus to efficiently transmit data. The method and apparatus effectively aggregate data and transmit the data in a high-speed power line communication (PLC) network. The method of transmitting the data includes combining each of at least one or more data units transferred from an upper layer, with... Agent: Stanzione & Kim, LLP

20070242746 - Video signal processing device: A video signal processing section decodes encoded moving picture data. A picture adjustment section performs an adjustment process on the decoded moving picture data. A picture compression section compresses the moving picture data adjusted by the picture adjustment section. If the moving picture data divided by a compression process size... Agent: Mcdermott Will & Emery LLP

20070242744 - System and method of packet recovery using partial recovery codes: A coding system and method employs a Partial Reed Solomon (PRS) code profile of order s having an s-partition on a set of parity symbols and a (s+1)-partition on a set of message symbols. In other aspects, an adaptive forward error correction scheme keeps block length and transmission rate fixed,... Agent: Harness, Dickey & Pierce, P.L.C

20070242747 - Method and apparatus for encoding/decoding a first frame sequence layer based on a second frame sequence layer: In one embodiment of a method of decoding a first frame sequence layer, at least one motion vector of an image block in a frame of the first frame sequence layer is determined based on a motion vector for an image block in a frame of a second frame sequence... Agent: Harness, Dickey & Pierce, P.L.C

20070242748 - Selective video frame rate upconversion: This disclosure is directed to techniques for selective video frame rate upconversion (FRUC) in a video decoder. A video decoder selectively enables or disables FRUC based on one or more adaptive criteria. The adaptive criteria may be selected to indicate whether FRUC is likely to introduce spatial artifacts. Adaptive criteria... Agent: Qualcomm Incorporated

20070242752 - Motion-vector searching method and motion-vector searching apparatus: A motion-vector searching method is provided. The motion-vector searching method includes the steps of: reading out observed processing blocks and reading out reference processing blocks; concurrently computing partial evaluation values for each of a plurality of position vectors; obtaining a total evaluation value for each particular one of the position... Agent: Bell, Boyd & Lloyd, LLP

20070242753 - Coding and decoding method and apparatus using plural scanning patterns: Provided is a coding and decoding method and apparatus using a plurality of scanning patterns. The method for coding image data includes: (a) obtaining N×M data by firstly source-coding the image data; (b) scanning the N×M data using a predetermined scan pattern selected from a plurality of scan patterns in... Agent: Sughrue Mion, PLLC

20070242749 - Image frame compression of video stream with fast random accessing and decompressing: An image frame of a video stream is compressed area by area with at least two areas having different bit rates. When compressing an area of the current frame pixels, the bit rate information of the corresponding area of previous frame which is referred which is saved in a temporary... Agent: Chih-ta Star Sung Rm. 308, Bld. 52

20070242750 - Motion estimation in interlaced video images: The invention relates to a method, a device, and a computer programme product for calculating a motion vector from an interlaced video signal with interpolating a first pixel sample from a first set of pixels and a second set of pixels using a first motion vector, and interpolating a second... Agent: Philips Intellectual Property & Standards

20070242751 - Moving picture decoding device and moving picture generating device: A decoding section generates decoded data from image data that is coded by using N×N orthogonal transform bases on image data of moving picture in pixel number blocks that are divided into N in horizontal and vertical directions. An inverse orthogonal transforming section performs inverse orthogonal transform processing on Nx×Ny... Agent: Amin, Turocy & Calvin, LLP

20070242754 - Apparatus for processing data stream for digital broadcasting system and method thereof: An apparatus for processing data for a digital broadcasting system, the digital broadcasting system including an interleaver, includes a data extractor that receives a data stream from the interleaver and extracts specified data from the data stream to obtain extracted data, a data processor that processes the extracted data according... Agent: Stein, Mcewen & Bui, LLP

20070242755 - System for bi-directional voice and data communications over a video distribution network: The present invention relates generally to an apparatus for bi-directional communications of voice, data, and alarms, and simultaneous transmission of video signals over a single cable such as coax. In more particular, it applies to a communications system that utilizes coax-type cabling to offer computer related in-room guest services such... Agent: Fellers Snider Blankenship Bailey & Tippens

20070242756 - Data-modulating apparatus, data-modulating method, data-demodulating apparatus, data-demodulating method, and data-providing medium: A SYNC bit inserting section 14 adds a sync signal to a train of codes, after adding a minimum run, said sync signal having a pattern that breaks a maximum run. It is thereby possible to provide a reliable sync signal pattern.... Agent: Frommer Lawrence & Haug

20070242757 - Method and apparatus for communicating between devices having no common electrical ground: Various methods, apparatuses, and systems are described in which devices having no common electrical ground communicate. In at least certain embodiments, an apparatus includes a transformer block to communicate a plurality of data signals and a synchronous clock signal between a first device with a first ground reference and a... Agent: Blakely Sokoloff Taylor & Zafman

20070242758 - Device and method for detecting flaws on objects or locating metallic objects: Apparatus and associated method for identifying defects on objects provide for—under computer driving—the AC voltage energization of at least one transmitting coil to be simultaneously effected by a carrier signal, and for an essentially amplitude-modulated received signal to be received by means of at least one receiving coil; what is... Agent: Roberts, Mlotkowski & Hobbes

20070242759 - Transmit diversity system and method: A transmitter including a plurality of transmitting antennas and a processor operably coupled to the plurality of transmitting antennas. The processor is configured to select a first antenna from the plurality of transmitting antennas for transmission of a frame of data, determine if the frame is successfully received by a... Agent: Thorne & Halajian Applied Technology Center

20070242763 - Methods and apparatus for using tones in a wireless communication system: Methods and apparatus for allocating tones for communications in the strip-symbol periods in an OFDM system are described. In a strip-symbol, the signal is transmitted using the tones in a tone subset, which is selected from a predetermined set of tone subsets according to a fixed schedule sequence. Adjacent base... Agent: Qualcomm Incorporated

20070242765 - Methods and apparatus related to composite beacon and wideband synchronization signaling: A composite signal includes a high power beacon signal and low power corresponding wideband synchronization signal and is communicated over a time interval exceeding a single OFDM transmission time interval. A base station transmits one or more different such composite broadcast signals in a recurring timing structure. Each different potential... Agent: Qualcomm Incorporated

20070242764 - Methods and apparatus related to using a wireless terminal scrambling identifier: User specific modulation-symbol scrambling is implemented for various uplink segments, e.g., uplink traffic acknowledgement channel (ULTACH), uplink state request channel (ULSRCH), and uplink dedicated control channel (ULDCCH) segments. A wireless terminal is assigned a wireless terminal scrambling identifier. A set of ordered input modulation symbols are determined for an uplink... Agent: Qualcomm Incorporated

20070242761 - Method and apparatus for channel estimation: The invention relates to DVB-T system, and in particular, to a channel estimation method for OFDM symbols. A plurality of symbols are received to generate a pilot response. A finite impulse response is generated from the pilot response. A coefficient table is selected based on the characteristics of the finite... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070242767 - Method and apparatus for performing joint channel equalization: A method and apparatus for performing joint channel equalization (JCE) are disclosed. JCE is implemented to reject inter-cell and intra-cell interference in a receiver. The JCE only requires the channel responses of a desired signal and interferers with respect to different antennas. In order to implement JCE, a number of... Agent: Volpe And Koenig, P.C. Dept. Icc

20070242769 - Method, system and apparatus for implementing soft frequency reuse in wireless communication system: The embodiments of the present invention disclose a method, system and apparatus for implementing soft frequency reuse in a wireless communication system, the method includes: selecting for a cell or sector at least one carrier as a primary carrier and at least one carrier as a secondary carrier, the primary... Agent: Marshall, Gerstein & Borun LLP

20070242768 - Noise estimation for wireless communication: Techniques for deriving and using noise estimate for data reception in a wireless communication system are described. A noise estimate may be derived for each packet received in a data transmission. Data detection may then be performed for each packet using the noise estimate for that packet. For noise estimation,... Agent: Qualcomm Incorporated

20070242762 - Power control in a multicarrier communications system: An improvement to multi-carrier communication, such as an OFDM and MC-CDMA system, where in a multipath or phase distorted channel, the received signal is flat with respect to frequency and linear with respect to phase. A first unit transmits a plurality of multi-carrier signals, which include unmodulated carrier signals. A... Agent: David Newman Chartered

20070242766 - Rate control for multi-channel communication systems: Various methods and systems for determining reverse-link data rates in a multi-user communication system are disclosed. For example, an apparatus for controlling a data rate of at least a first UE in a multi-user communication system is disclosed. The apparatus may include a channel estimation device configured to determine channel... Agent: Qualcomm Incorporated

20070242760 - Speed estimation method for telecommunication system: A speed estimation method is provided, detecting relative speed of a transmitter and a receiver transmitting symbols by OFDM sub-carriers through a channel. First, a first correlation table is established, indicating conceptual relationships between the relative speed and the channel characteristic based on Doppler shift theory. Thereafter, channel characteristic caused... Agent: Daniel R. Mcclure Thomas, Kayden, Horstemeyer & Risley, LLP

20070242770 - Feedback of channel state information for mimo and subband scheduling in a wireless communication system: Techniques for efficiently sending channel state information using differential encoding are described. Differential encoding may be performed across space, across frequency; across space and frequency, across space, frequency and time, or across some other combination of dimensions. In one design, spatial state information may be determined for multiple spatial channels... Agent: Qualcomm Incorporated

20070242771 - Transmitting apparatus and method, receiving apparatus and method, program and recording medium, and transmitting/receiving system: A receiving processing unit receives identical SD pictures transmitted a plurality of number of times, and performs addition for weighting an SD picture stored in a storage and the received SD pictures. The receiving processing unit stores the obtained values as a new SD picture in the storage. A picture-quality... Agent: Frommer Lawrence & Haug

20070242772 - Phase correction of a constant envelope signal without introducing amplitude modulation: Systems and methods are provided for precorrecting a constant envelope input signal. A phase precorrection component generates a precorrected input signal by applying a phase precorrection to the input signal. The applied phase correction alters an associated phase of the input signal without applying amplitude modulation to the signal. A... Agent: Tarolli, Sundheim, Covell & Tummino L.L.P.

20070242773 - Method and apparatus for implementing h-arq in a mimo wireless communication system: A method and apparatus for implementing hybrid automatic repeat request (H-ARQ) in a multiple-input multiple-output (MIMO) wireless communication system are disclosed. A transmitter transmits at least two data packets via two or more antennas. If at least one of the data packets is not successfully transmitted, the transmitter retransmits the... Agent: Volpe And Koenig, P.C. Dept. Icc

20070242774 - Maximum ratio transmission: m

20070242775 - Harmonic-rejection modulation device: A harmonic-rejection modulation device is provided, which includes a phase splitter, a low pass filter, and a modulator. Based on a square wave, the phase splitter generates a plurality of unfiltered local oscillating signals having phase angles of 0°, 30°, 90°, 120°, 180°, 210°, 270° and 300°, respectively. The low... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070242776 - Acquisition method for global positioning system: A Global Positioning System (GPS) acquisition method is provided. A GPS signal is first received, comprising a plurality of data bits, each repeating for a bit period. A search space is then formed, comprising a plurality of elements each associated with a presumed offset and a presumed code phase. Before... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070242777 - Digital amplifier and television receiving apparatus: A digital amplifier including a clock generation unit configured to output a clock signal, a pulse width modulation unit configured to pulse width-modulate the clock signal based on an input signal, a driving unit configured to alternately drive at least two switching elements which convert the output of the pulse... Agent: Canon U.s.a. Inc. Intellectual Property Division

20070242778 - Clock recovery circuit: A clock recovery circuit comprising an initial delay select circuit, a delay locked loop and a clock synthesizer circuit is provided. The initial delay select circuit comprises an initial timing generator, a first multiplexer and an initial value generator. The delay locked loop comprises a delay chain, a phase detector,... Agent: J.c. Patents, Inc.

20070242779 - Direct-conversion receiver and sub-harmonic frequency mixer thereof: Provided is a sub-harmonic frequency mixer having a structure in which two terminals of transistors receiving a Radio Frequency (RF) signal and a Local Oscillation (LO) signal are coupled. The frequency mixer is composed of a single-level structure of transistors and thus can be driven at a lower supply voltage... Agent: Bacon & Thomas, PLLC

20070242780 - Clock adjustment for a handheld audio system: A handheld audio system having a radio signal decoder that includes a method for adjusting a system clock. Adjusting the system clock includes receiving a signal at a rate of a receive clock, wherein the signal includes data at a transmit rate. An error term is determined between the receive... Agent: Kevin L. Smith

20070242781 - Turbo decoder input reordering: A receiver is disclosed, wherein a re-ordering means comprises a multiplexer, a finite-state machine, and a plurality of buffers. The finite-state machine is arranged to control the multiplexer to load the buffers from a bus such that the output of the buffers is directly decodable by a decoder A receiving... Agent: Nxp, B.v. Nxp Intellectual Property Department

20070242782 - Channel estimation apparatus and method for interference cancellation in mobile communication system: Channel estimation apparatus and method for interference cancellation in a mobile communication system are provided. The channel estimation method includes detecting a preamble from a received signal and estimating a primary channel using the detected preamble; calculating a short-term correlation matrix using the primary channel; and estimating a secondary channel... Agent: The Farrell Law Firm, P.C.

20070242783 - Digital broadcast reception device: There is disclosed a digital broadcast reception device capable of acquiring a broadcast wave at a current position with a high probability without using position information even when moving over a broadcast area. In this device, when reservation of recording or viewing is inputted from an input unit (104), a... Agent: Stevens, Davis, Miller & Mosher, LLP

20070242784 - Diversity receiver for wireless communication: A diversity receiver capable of receiving a CDMA system (e.g., a W-CDMA system) and a TDMA system (e.g., a GSM system), with receive diversity for at least one system, is described. W-CDMA is often referred to as UMTS. In one design, the diversity receiver includes a first receiver for GSM... Agent: Qualcomm Incorporated

20070242785 - Radiating device comprising at least one adaptive rejection filter and antenna provided with said device: This invention relates to an antenna comprising at least one radiating device, furnished with a rejector filter associated with a frequency band of an interfering signal. In accordance with the invention, such an antenna is characterized in that this rejector filter is adaptive, so as to be active when the... Agent: Joseph J. Laks, Vice President Thomson Licensing LLC

20070242786 - Method of supporting operation of sleep mode in a wideband radio access system: A method of supporting operation of sleep mode in a wideband radio access system is disclosed. More specifically, a mobile subscriber station (MSS) which determines a frame offset information for synchronizing listening windows of at least one MSS that is in sleep mode, and transmits the determined framed offset information... Agent: Lee, Hong, Degerman, Kang & Schmadeka

20070242787 - Electronic device for generating secure synchronization signals: The inventive device (1) is provided with securing means comprising an internal clock (133) emitting an internal clock signal oscillating at a second frequency roughly identical to the first frequency, wherein electronic security management means (130) are arranged so that the internal clock signal replaces the external clock signal and... Agent: Lowe Hauptman & Berner, LLP

20070242788 - Network system: The present invention is a method for adjusting power consumption in a network system including a first communication device and a second communication device communicating with the first communication device, wherein the method includes the first communication device creating IC operation information related to the operation of a first information... Agent: Harrington & Smith, PC

20070242789 - Method for synchronising a signal frame of a signal transmitted from a transmitter to a receiver of a telecommunication system: a sequence weighting step (200) intended to be executed by the transmitter in the course of which the pulses of each complementary sequence (A) of rank q of the first burst of L sequences are multiplied by the component of rank q of a L components long weighting code (MCi)... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070237209 - Space-time coding method for a uwb pulse-type multi-antenna system: This invention relates to a space-time coding method for a UWB transmission system including three or four radiative elements. It also relates to a method for transmitting a plurality of data symbols belonging to a PPM modulation constellation or a PPM-PAM composite modulation constellation using this space-time coding.... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070237208 - System and method for a single stage tunable ultra-wideband pulse generator: The present invention provides a single-stage tunable Ultra-Wideband (UWB) pulse generator, by creating and differentiating a variable edge rate signal. Edge rate variability is introduced by first applying a step recovery diode (SRD) to compress the edges of the source and then applying a simple RC network to adjust the... Agent: Smith Hopen, Pa

20070237210 - Signal jamming avoidance method for a frequency hopping communication system: To avoid signal jamming, a method is provided for selecting a dwell channel on a receiver in a frequency hopping communication system. The method includes: measuring a noise level on channels over which a data signal is received at the receiver; selecting a dwell channel based on the estimated noise... Agent: Harness, Dickey & Pierce, P.L.C

20070237211 - Chip blanking and processing in scdma to mitigate impulse and burst noise and/or distortion: Systems and methods are disclosed for detecting temporary high level impairments, such as noise or interference, for example, in a communications channel, and subsequently, mitigating the deleterious effects of the dynamic impairments. In one embodiment, a preliminary decision is made on at least one signal transmitted over the communications channel.... Agent: Mcandrews Held & Malloy, Ltd

20070237212 - Method and apparatus for new cell identification in a wcdma network with a given neighbor set: A method and an apparatus for new cell identification in a WCDMA network with a given neighbor set are described. Aspects of a system for new cell identification in a WCDMA network with a given neighbor set may include a baseband processor that enables determination of a primary synchronization position... Agent: Mcandrews Held & Malloy, Ltd

20070237213 - Method for estimating one or more parameters of a ultra wideband signal and a receiver system for receiving ultra wideband signals: A method for estimating one or more parameters of a ultra wideband signal and a receiver system for receiving ultra wideband signals is provided. The method for estimating one or more parameters of a signal in an ultra wide band system including estimating the parameter(s) for a first signal element... Agent: Bell, Boyd & Lloyd, LLP

20070237214 - Downstream power back-off for fiber to node applications: There is provided a method of shaping PSD (Power Spectrum Density) of an FTTN (Fiber-To-The-Node) downstream signal from a disturber source to achieve spectral compatibility at an FTTN downstream victim with a downstream PSD from a reference source. The method includes receiving the downstream PSD from the reference source. The... Agent: Farjami & Farjami LLP

20070237216 - Method and apparatus for controlling transmission frequency in serial advanced technology attachment: A method, a related system, and recordable media adapted to store the method. The method controlling transmission frequency for first and second transmission signals exchanged between a host and an attached device using a serial advanced technology attachment (SATA) technology by detecting a first transmission frequency from a received first... Agent: Volentine & Whitt PLLC

20070237215 - Method for deriving noise statistical properties of a signal: The invention relates to a method for deriving noise statistical properties (NSP) for a signal (S) wherein first distorted noise statistical properties (DNSP) are derived from a distorted signal (DS). In addition the distorted noise statistical properties (DNSP) are subjected to a deconvolution/inversion process (S3) to thereby derive un-distorted noise... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070237217 - User scheduling methods and apparatus for high-speed uplink packet access systems: User scheduling methods and apparatus for high-speed uplink packet access systems are disclosed. A disclosed example method comprises estimating a noise contribution due to other-cell interference for at least one previous transmit time interval, and selecting an uplink modulation and coding scheme for a wireless device for a current transmit... Agent: Texas Instruments Incorporated

20070237218 - Apparatus and method for ultra narrow band communications: A method and apparatus for transmitting information combining abrupt phase change modulation with an ultra narrow band filter to remove unnecessary Fourier sidebands, resulting in a single frequency being transmitted to carry data. The method examines and detects the changes in the carrier phase only, after filtering to remove or... Agent: Myers Dawes Andras & Sherman, LLP

20070237219 - Digital stream transcoder: A run-level domain transcoder receives a stream of compressed frames carried in a bit stream. The run-level domain transcoder decodes the bit stream into run-level pairs and selectively processes the compressed frames so as to, among other things, reduce the number of bits necessary to represent the compressed frames.... Agent: Scientific-atlanta, Inc. Intellectual Property Department

20070237220 - Systems and methods for changing rate-control setting during video encoding: Methods for changing a rate-control (RC) setting during video encoding, performed by an RC controller and a video encoder, are provided. An embodiment of the method comprises determining whether change in the RC setting is allowed for encoding a next portion of a video sequence, detecting a request for changing... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070237223 - Apparatuses and methods for controlling bit rates in variable bit rate video coding: A bit rate control method may include calculating a quality measure of a current frame and a mean of quality measures of two or more previous frames in order to calculate a deviation of the quality measure of the current frame from the mean of the quality measures of the... Agent: Harness, Dickey & Pierce, P.L.C

20070237222 - Adaptive b-picture quantization control: The present application is directed to techniques and tools for adapting the quantizer as well as the quantization step size used during video encoding. For example, a video encoder uses a non-uniform quantizer (having a relatively large dead zone ratio) for B-picture types, but uses a uniform quantizer for other... Agent: Klarquist Sparkman LLP

20070237221 - Adjusting quantization to preserve non-zero ac coefficients: A video encoder identifies one or more AC coefficients of each of plural blocks in the picture. The encoder identifies a threshold quantization step size such that the identified AC coefficient(s) of each of the plural blocks are nonzero after quantization according to the threshold quantization step size. The threshold... Agent: Klarquist Sparkman LLP

20070237229 - Method and apparatus for motion dependent coding: The gravity centred coding shall be improved with respect to false contour effect disturbances on plasma display panels for example. Therefore, there is provided a GCC code (gravity center coding) and a motion amplitude of a picture or a part of a picture. Furthermore, there is provided at least one... Agent: Joseph J. Laks, Vice President Thomson Licensing LLC

20070237228 - Multilayer-based video encoding method and apparatus thereof: A method and apparatus are provided for reducing the inter-layer redundancy of a difference signal obtained from an intra-prediction when coding a video using multi-layer structure supporting intra-prediction. The method includes obtaining a first difference block between a block of a first layer and a first prediction block which is... Agent: Sughrue Mion, PLLC

20070237227 - Temporal quality metric for video coding: The disclosure is directed to techniques for evaluating temporal quality of encoded video. Instead of estimating jerkiness based solely on frame rate or motion activity, the number of consecutive dropped frames forms a basic estimation unit. Several human visual system factors, such as sensitivity to temporal quality fluctuation and motion... Agent: Qualcomm Incorporated

20070237225 - Method for enabling preview of video files: A method of producing a video thumbnail for previewing a video file representing a digital video in a file browser includes extracting a plurality of key frames from the video file; producing a video thumbnail using an encoded representation of the extracted key frames; and displaying the video thumbnail through... Agent: Pamela R. Crocker Patent Legal Staff

20070237224 - Method of reducing computations in intra-prediction and mode decision processes in a digital video encoder: A method of improving the computation speed of the sum of absolute transformed distances (SATD) for different intra-prediction modes is described. Determining the SATD quicker provides the benefits of better coding performance without suffering the drawbacks of longer computation times. The method of reducing intra-prediction and mode decision processes in... Agent: Jonathan O. Owens Haverstock & Owens LLP

20070237226 - Switching distortion metrics during motion estimation: Techniques and tools for switching distortion metrics during motion estimation are described. For example, a video encoder determines a distortion metric selection criterion for motion estimation. The criterion can be based on initial results of the motion estimation. To evaluate the criterion, the encoder can compare the criterion to a... Agent: Klarquist Sparkman LLP

20070237230 - Video encoding method and apparatus, and video decoding method and apparatus: A method for encoding a video block using reference blocks comprises assigning the video block to one of first and second prediction groups, and encoding the video block according to a motion compensated prediction encoding mode, using the reference blocks depending on the one of the first and second prediction... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070237231 - Method and circuit for efficient caching of reference video data: In some embodiments, a video processing system including video processor, an external memory, and an integrated circuit that implements both a memory controller (having embedded intelligence) and an internal memory coupled to the memory controller. The memory controller is configured to pre-cache in the internal memory partial frames of reference... Agent: Nvidia C/o Murabito, Hao & Barnes LLP

20070237233 - Motion compensation in digital video: Embodiments of the invention include a system directed to generating motion vectors in digital video by using multiple phases in sequence. In a first phase, a match signature in the frequency domain is evaluated to find one or more minimum motion vector candidates for a particular macroblock in video. In... Agent: Ambric, Inc. C/o Marger Johnson & Mccollom PC

20070237234 - Motion validation in a virtual frame motion estimator: A method for motion validation in a virtual frame motion estimator includes selecting motion vectors for a virtual frame C, located at a temporal position between a previous frame P and a subsequent frame N, and computation of an extended error function based on the error for a vector V... Agent: Connolly Bove Lodge & Hutz LLP

20070237232 - Dynamic selection of motion estimation search ranges and extended motion vector ranges: Techniques and tools for selecting search ranges and/or motion vector ranges during motion estimation are described. For example, a video encoder performs motion estimation constrained by a first search range, which results in multiple motion vectors. The encoder computes motion vector distribution information for the motion vectors. To compute the... Agent: Klarquist Sparkman LLP

20070237236 - Estimating sample-domain distortion in the transform domain with rounding compensation: Techniques and tools are described for compensating for rounding when estimating sample-domain distortion in the transform domain. For example, a video encoder estimates pixel-domain distortion in the transform domain for a block of transform coefficients after compensating for rounding in the DC coefficient of the block. In this way, the... Agent: Klarquist Sparkman LLP

20070237235 - Method of reducing computations in transform and scaling processes in a digital video encoder using a threshold-based approach: A method of reducing computations utilizing a threshold to increase efficiency and speed of a video encoder is described. Computations of transform and scaling processes of a video encoder are able to be streamlined by utilizing one or more thresholds stored within one or more lookup tables. A selected threshold... Agent: Jonathan O. Owens Haverstock & Owens LLP

20070237237 - Gradient slope detection for video compression: A video encoder detects gradient slope content in a video picture by checking for gradient directions for plural regions (e.g., 16×16 macroblocks) in the video picture comprising plural pixels. The encoder processes the gradient slope content differently than other kinds of content in the picture. The encoder can down-sample the... Agent: Klarquist Sparkman LLP

20070237239 - Methods and apparatuses for encoding and decoding a video data stream: In one embodiment, data from a data stream is parsed into a sequence of data blocks on a cycle-by-cycle basis such that at least one data block earlier in the sequence is skipped during a cycle if a data block later in the sequence includes an empty data location closer... Agent: Harness, Dickey & Pierce, P.L.C

20070237240 - Video coding method and apparatus supporting independent parsing: An apparatus and method are provided for independently parsing fine granular scalability (FGS) layers. A video-encoding method according to an exemplary embodiment of the present invention includes a frame-encoding unit which generates at least one quality layer from an input video frame, a coding-pass-selecting unit which selects a coding pass... Agent: Sughrue Mion, PLLC

20070237238 - Making interlace frame level coding mode decisions: For each of plural blocks (e.g., 8×16 blocks) in a source interlaced video frame, a video encoder measures vertical intensity level fluctuation between neighboring lines and between alternating lines in the block, and determines an interlace effect status value for the block. For example, the encoder calculates a ratio between... Agent: Klarquist Sparkman LLP

20070237241 - Estimation of block artifact strength based on edge statistics: A method and apparatus estimates the strength of block artifacts in compressed video is described. Block artifacts are associated with the block-based image/video compression schemes. The block artifacts deteriorate the quality of compressed image and video, especially at low bit rates. A deblocking method measures the strength of the block... Agent: Kenneth L. Sherman, Esq. Myers Dawes Andras & Sherman, LLP

20070237242 - Multi gigahertz high capacity digital radio frequency (rf) link transceiver terminal assembly, and method for same: A multi gigahertz digital radio frequency (RF) link terminal arrangement includes an indoor unit and an outdoor unit, interconnected by at least one high bandwidth communications element adapted to carry in a transmit direction a digital signal to be transported by the radiolink and in a receive direction an intermediate... Agent: Young & Thompson

20070237243 - System and method for combining signals on a differential i/o link: System and method for combining signals on a differential signal provided over a communication link. In one aspect, a system for providing a differential communication link includes a signal combination circuit that receives a data signal and a clock signal and outputs a modulated differential signal on a differential link,... Agent: Sawyer Law Group LLP

20070237247 - Method of reducing a peak to average power ratio of a modulated signal: The invention relates to a method of reducing a peak to average power ratio of a signal, wherein the signal comprises data that is designated for transmission to a sector of a plurality of sectors, and wherein the method comprises the steps of selecting a first subset of radio resources... Agent: Sughrue Mion, PLLC

20070237245 - Phase correlator for wireless receiver and method for correlating using phase-quantized signals: Embodiments of a correlator, a receiver, and a method for performing correlations are generally described herein. Other embodiments may be described and claimed. In some embodiments, input samples are phase-quantized into phase-quantized samples of substantially equal magnitude with approximately the original phase. The phase-quantized samples of substantially equal magnitude with... Agent: Schwegman, Lundberg & Woessner, P.A.

20070237246 - Wireless modem, modulator, and demodulator: A wireless modem is mounted to a terminal for wireless communication, and specifically controls an internal drive clock to reduce power consumption in an active mode. The wireless modem includes: a wireless core module for transmitting and receiving a radio signal; a modulator for converting data to be transmitted into... Agent: Ladas & Parry LLP

20070237248 - Apparatus and method for allocating resources and performing communication in a wireless communication system: Disclosed is a method for allocating resources in a base station of a wireless communication system that performs communication using frequency resources. The method includes dividing subcarriers into subcarrier sets each including a predetermined number of consecutive subcarriers, and generating a resource index table mapped to consecutive indexes such that... Agent: The Farrell Law Firm, P.C.

20070237249 - Method and device for estimating the transfer function of the transmission channel for a cofdm demodulator: A method of COFDM demodulation of symbols, each including first carriers conveying data and pilots having their frequency positions varying at least partly from one symbol to the next symbol. The method includes, for each symbol, a step of determining a first estimate of the transfer function of the channel... Agent: Stmicroelectronics Inc. C/o Wolf, Greenfield & Sacks, P.C.

20070237244 - Method for implementing an equalizer of an ofdm baseband receiver: A method for implementing an equalizer of an orthogonal frequency division multiplexing (OFDM) baseband receiver is provided. The OFDM baseband receiver includes a channel estimation and tracking module for estimating a channel impulse response of an input signal of the equalizer. A conjugate of the channel impulse response is first... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070237250 - Hybrid modulus blind equalization for quadrature amplitude modulation (qam) receivers: Methods and apparatuses for blind equalizers with a hybrid adaptation error. In one embodiment, a Quadrature Amplitude Modulation (QAM) signal receiver, includes: a filter to reduce error in equalization, the filter to output a QAM signal; a decision engine coupled to the filter to determine a symbol based on the... Agent: Ivy Y. Mei

20070237251 - Cooperative inter-carrier channel coding apparatus, systems, and methods: Embodiments of a codation module associated with a global system for mobile communications (GSM) enhanced data rates for GSM evolution (EDGE) radio access network (GERAN) transceiver are described generally herein. Other embodiments may be described and claimed.... Agent: Schwegman, Lundberg & Woessner, P.A.

20070237252 - Parallel systolic cordic algorithm with reduced latency for unitary transform of complex matrices and application to mimo detection: Various embodiments include a parallel CORDIC technique, according to which multiple elements in a vector representing a received MIMO signal may be processed in parallel. The result is a reduction in the computational complexity of the MIMO detection technique as measured by the required resources and the latency. Other embodiments... Agent: Kacvinsky LLC C/o Intellevate

20070237253 - Transfer characteristic calculation apparatus, transfer characteristic calculation method, and exposure apparatus: A transfer characteristic calculation apparatus for calculating a transfer characteristic of an imaging optical system includes a light source, a generation unit which generates a second signal by converting a first signal obtained by stretching an impulse signal on a space axis into a positive value using a light from... Agent: Fitzpatrick Cella Harper & Scinto

20070237254 - Configuring a device for wireless communication: A method of configuring a device for a wireless communication, the method comprising the steps of: selecting a first combination of resources in relation to a first wireless communication in a first area involving a first device, and selecting one or more other combination(s) of resources in relation to one... Agent: Squire, Sanders & Dempsey L.L.P.

20070237256 - Transmitter and method of transmitting a signal: A transmitter includes an output. A coupler receives at least a derivative of the output and provides a feedback signal. A demodulator receives the feedback signal and performs an additive mixing to demodulate the feedback signal.... Agent: Infineon Technologies North America Corp.

20070237255 - System and method for efficient rectangular to polar signal conversion using cordic algorithm: A system and method is provided for converting an input signal from a sequence of rectangular coordinate pairs to a sequence of polar coordinate pairs. The input signal includes a sequence of input vectors each including a pair of rectangular coordinates. A plurality of N input registers is configured to... Agent: Tyco Technology Resources

20070237257 - Wireless local area network apparatus: A wireless local area network apparatus includes a transmitter and a receiver in which operation of the receiver is accurately synchronized with periodic signals from the transmitter. The periodic signals contain timing data indicating the state of a timer in the transmitter at the time the signal containing that data... Agent: Mendelsohn & Associates, P.C.

20070237259 - Circuit for canceling dc offset in a communication system: A circuit for canceling a direct current (DC) offset in a communication system includes a digital-to-analog (D/A) converter assembly (30), a summing circuit (40), an inphase-to-quadrature (I/Q) modulator (50), a detecting module (70), and a microcontroller (80). The D/A converter assembly converts digital DC offset regulation signals to analog DC... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang Jeffrey T. Knapp

20070237260 - Digital predistortion transmitter: There is a need for effectively compensating distortion when a predistortion transmitter is subject to not only a memory effect due to nonlinearity of an amplifier, but also a modulator's DC offset, IQ unbalance, or local quadrature error. A predistortor to be used is a polynomial predistortor including a polynomial... Agent: Stanley P. Fisher Reed Smith LLP

20070237258 - Measurement method and arrangement for amplitude and phase synchronization in a polar transmitter: A method and arrangement is shown for measuring an indicator of delay mismatch between a phase information path and an amplitude information path of a polar modulator. In the solution according to the invention a substantially sinusoidal measurement signal (301, 302) is injected both into the amplitude information path (351)... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20070237261 - Apparatus and method for efficient inter radio access technology operation: An apparatus, and a method performed by the apparatus, including a terminal with a front end receiver and analog filter (AF) operable throughout a bandwidth that is large enough to cover the total bandwidth used by different access technologies that the terminal supports. The terminal is operable to simultaneously extract... Agent: Ericsson Inc.

20070237262 - Apparatus and method for transmitting/receiving a pilot sequence in a mobile communication system using space-time trellis code: A mobile communication system includes M transmission antennas, P encoders for receiving P information bit streams and encoding the received information bit streams with a space-time trellis code (STTC), and M modulators for modulating information bit streams output from the P encoders in a predetermined modulation scheme and outputting modulation... Agent: The Farrell Law Firm, P.C.

20070237263 - Receiver for robust data extension for 8vsb signaling: A robust data extension added to a standard 8VSB digital television signal is used to improve the performance of a digital television receiver. The robust data extension is added to a standard 8VSB digital television transmission system by encoding high priority data packets in a rate 1/2 trellis encoder. The... Agent: Allan Jacobson Intellectual Property Law

20070237264 - Hybrid dc-offset reduction method and system for direct conversion receiver: A hybrid structure circuit for the cancellation of both Type-I and Type-II DC offsets. It comprises a static compensator in conjunction with a servo-loop feedback amplifier to suppress the undesired DC components present along the path of the base band after the direct conversion mixer. Two mixers are used to... Agent: J.c. Patents, Inc.

20070237265 - Demodulator and method thereof: Methods and apparatuses for demodulating an incoming signal are disclosed. A proposed demodulator includes: a first pulse generator for generating a first control signal according to an incoming signal; a second pulse generator coupled to the first pulse generator for generating a second control signal according to the incoming signal... Agent: North America Intellectual Property Corporation

20070237267 - Data recovery system and method thereof: A data recovery system and method is disclosed. Said data recovery system comprises a maximum-likelihood detector, a non-maximum likelihood detector, a decision unit, and a selecting unit. The maximum-likelihood detector transforms a digital signal into a first binary signal. The non-maximum likelihood detector transforms the digital signal into a second... Agent: Madson & Austin Gateway Tower West

20070237266 - Efficient detection of predetermined sequences: Hypothesis tests, such as maximum likelihood detections, are executed on symbol sequences received by, for example, a user equipment (UE) in a communication system. The hypothesis tester checks a received sequence against a group of predetermined sequences that possibly could have been sent to the UE. For received sequences that... Agent: Potomac Patent Group PLLC

20070237268 - Method and receiver for estimating the channel impulse response using a constant modulus interference removal iteration: A receiver and associated method estimates a channel impulse response of the communications signal. A communications signal is received as a burst of transmitted symbols, including a known training sequence. The joint estimation of timing offset and initial channel impulse response is determined based on the cross-correlations of the known... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20070237269 - Ultratight navigation observation lock detector: An observation lock detector receives I and Q correlations and measurement residuals and transforms the I and Q quadrature correlation outputs based upon computed code phase and carrier phase into transformed I and Q quadrature signals communicated to conventional output lock detectors to provide validity and confidence indicator signals for... Agent: Carole A. Mulchinski, M1/040 The Aerospace Corporation

20070237271 - Adjustable noise suppression system: Methods and corresponding systems for suppressing noise in an input signal include setting a minimum overall gain in a noise reduction processor for processing a first frame of data associated with the input signal. In response to a new minimum overall gain being set, the minimum overall gain in the... Agent: Law Office Of Charles W. Bethards, LLP

20070237270 - Techniques to converge and adapt a communication system receiver: A system, apparatus, method and article to converge a communications system receiver are described. The apparatus may include an interference canceller to receive an interference signal and to produce an adaptive signal. The interference canceller is adapted by a first adaptation module. An equalizer is coupled to the interference canceller.... Agent: Kacvinsky LLC C/o Intellevate

20070237272 - Apparatus and method for generating log likelihood ratio in multiple-input multiple-output communication system: An apparatus and method for generating LLRs in an MIMO communication system. In a receiver for a spatial multiplexing communication system, a determiner performs an MML decoding operation in an ascending or descending order of TX antennas to estimate a plurality of candidate TX vectors. A distance calculator calculates a... Agent: The Farrell Law Firm, P.C.

20070237273 - Complex filter with automatic tuning capabilities: A complex filter with automatic tuning capabilities for filtering a complex signal is disclosed. The complex filter includes a first lowpass filter, a second lowpass filter, a plurality of resistors, an integrator, a comparator, and a digital unit. The complex filter includes an imaginary component and a real component. The... Agent: Carlton Fields, Pa

20070237274 - Synchronizing to symbols received via wireless communications channel: Synchronization techniques for reducing the effects of time dispersive wireless communications channels are presented. A synchronization technique for communications over a time dispersive wireless channel includes receiving a signal having at least identical first and second symbols, and calculating a metric for each sampling time by correlating respective samples of... Agent: Buchanan, Ingersoll & Rooney PC

20070237276 - Methods for adjusting sampling clock of sampling circuit and related apparatuses: Methods for adjusting a sampling clock of a sampling circuit and related apparatuses are disclosed. One proposed method includes: calculating difference between adjacent sampled values, generated from the sampling circuit by sampling an incoming signal based on the sampling clock, to obtain a plurality of differences; performing a predetermined calculation... Agent: North America Intellectual Property Corporation

20070237275 - Method and apparatus for a time domain zero phase start using binary sampled data: Methods and apparatus are provided for obtaining a phase offset estimate from a data stream. A binary sampled version of the data stream is obtained based on a clock. A first dot product of the binary sampled version of the data stream and an ideal sequence and a second dot... Agent: Ryan, Mason & Lewis, LLP

20070237277 - Method and integrated circuit for controlling an oscillator signal: An integrated circuit is provided. The integrated circuit includes a delay locked loop comprising a binary phase detector which generates a binary phase detector signal, and a decimator receiving the binary phase detector signal, wherein the decimator generates the phase difference signal.... Agent: Baker Botts, L.L.P.

20070230539 - Wireless communications with auxiliary antennas: An auxiliary antenna device includes a baseband interface circuit to communicate with a wireless communications device. The wireless communications device and auxiliary antenna device exchange digital baseband data, and the auxiliary antenna device may augment or complement RF circuitry and antennas in the wireless communications device.... Agent: Lcmoine Patent Services, PLLC C/o Portfolioip

20070230540 - Frequency hopping spread spectrum scheme for rfid reader: A system and method is provided for implementing forced frequency “hops” if the time it takes to perform a particular transaction is greater than the time available on a particular carrier frequency. In one embodiment of the present invention, a radio frequency identification (RFID) base station processor (in conjunction with... Agent: John H. Sherman, Legal Dept. Intermec Technologies Corporation

20070230541 - Methods and apparatus for adapting a hop sequence when establishing a communication connection: Methods and apparatus are provided for establishing a connection between a scanner device and a pager device over a sequence of hop channels. The scanner device is repetitively activated and a hop channel is selected from the sequence of hop channels as a function of a present phase. A determination... Agent: Ericsson Inc.

20070230542 - Bidirectional signal transmission system: A bidirectional signal transmission system having an imaging device, a control device for control of the imaging device, and a transmission channel for connecting the imaging device and the control device is disclosed. The imaging device is operatively responsive to receipt of a test signal as output from the control... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20070230544 - Adaptive pilot filter for a wireless communication system: Techniques to filter pilot symbols for a pilot in an “adaptive” manner to provide an improved estimate of the response of a communication channel. A received signal may experience different channel conditions at different times, and different multipaths may also experience different channel conditions even when received close in time.... Agent: Qualcomm Incorporated

20070230543 - Data demodulation from weak navigational satellite signals: A method to determine the polarity of navigation data from weak satellite signals is disclosed. After bit edge is detected, a method in frequency domain is used to determine the present bit polarity with the help of several prior data bits which are already known, is disclosed. The impact of... Agent: Orrick, Herrington & Sutcliffe, LLPIPProsecution Department

20070230545 - Method and apparatus for improved l2 performance in dual frequency semi-codeless gps receivers: This invention relates to improving the signal-to-noise ratio of semi-codeless tracking by presenting a method and apparatus which employs an optimal W-code timing pattern, and/or provides signal-to-noise gain by adding L1 and L2 W-code bit timing estimate signals before combining the L1 W-code estimate signal with the L2 W-code estimate... Agent: William E. Pelton Cooper & Dunham LLP

20070230546 - Equalizer with reduced complexity with application to long delay spread channels: A signal processing apparatus to equalize a signal in a multipath channel, where the equalization is based upon forming a correlation vector and the inverse of a covariance matrix, where the covariance matrix is smaller in dimension than the correlation vector. In one embodiment, the signal processing apparatus forms an... Agent: Intellevate 900 Second Avenue South

20070230548 - Digital subscriber line noise mitigation techniques, and applications thereof: The present invention provides digital subscriber line noise mitigation techniques, and applications thereof. In an embodiment, the present invention provides a toolbox of methods and techniques for mitigating the effects of noise in xDSL systems. These methods and techniques are controllable and locatable at one or both ends of a... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20070230549 - Periodic calibration for communication channels by drift tracking: A method and system that provides for execution of a first calibration sequence, such as upon initialization of a system, to establish an operation value, which utilizes an algorithm intended to be exhaustive, and executing a second calibration sequence from time to time, to measure drift in the parameters and... Agent: Rambus, Inc. C/o Haynes Beffel & Wolfeld LLP

20070230547 - Radio communication apparatus and radio communication method: A radio communication apparatus for performing transmission and reception based on radio communication includes: a power suppressor for coupling loop interference signal for attenuating signal power of a received signal to suppress the coupling loop interference signal power of the received signal; and a transceiver having a coupling loop interference... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070230550 - Communications apparatus, system and method of creating a sub-channel: A communications apparatus is capable of being disposed in-line in a communications link that supports a main communications channel. The communications link connects a first host to a second host. The communications apparatus comprises an application logic that supports a sub-channel within the main channel. When the main channel is... Agent: Perman & Green

20070230551 - Jitter measuring circuit: A jitter measuring circuit that is capable of measuring the amount of clock jitter and the amount of logic circuit delay jitter separately is provided. The jitter measuring circuit comprises a variable logic delaying section, a data holding section and a controller. The data holding section outputs predetermined data whenever... Agent: Young & Thompson

20070230553 - In-band method to configure equalization levels: An in-band configuration technique configures a data communications link for high-speed data communications between at least a first and second integrated circuit using in-band communications between the first and second integrated circuits. The technique configures at least one equalizer of the data communications link with predetermined equalizer settings selected from... Agent: Zagorin O'brien Graham LLP

20070230552 - Method of differential-phase/absolute-amplitude qam: A method of quadrature amplitude modulation involving encoding phase differentially and amplitude absolutely, allowing for a high data rate and spectral efficiency in data transmission and other communication applications, and allowing for amplitude scaling to facilitate data recovery; amplitude scale tracking to track-out rapid and severe scale variations and facilitate... Agent: Hovey Williams LLP

20070230555 - Active link cable diagnostics: A novel apparatus for and method of estimating the cable length of an active network link. The cable diagnostics mechanism of the invention is particularly suited for use in estimating the length of Ethernet network between two edges when the link is active, i.e. data is being transmitted in both... Agent: Texas Instruments Incorporated

20070230554 - Effective adaptive filtering techniques: A noise level of an input signal is determined by a noise calculation module. based on the noise level, a boundary setting module sets a reduced constellation boundary interval. This reduced constellation boundary interval is employed by an equalizer to perform adaptive equalization of the input signal.... Agent: Kacvinsky LLC C/o Intellevate

20070230556 - Signal processing apparatus, signal processing method, and sound field correction system: A signal processing apparatus includes at least one equalization section, each of the equalization section being capable of setting a center frequency, a gain value at the center frequency, and a Q value and allowing set frequency-amplitude characteristics to be applied to an input signal; and a computation section. The... Agent: Wolf Greenfield & Sacks, P.C.

20070230557 - Adaptive signal equalizer with adaptive error timing and precursor/postcursor configuration control: An adaptive signal equalizer with a feedforward filter in which the feedback error signal and corresponding incoming data signal are dynamically aligned in time using signal interpolation, and further, to control the precursor/postcursor filter taps configuration, thereby producing more adaptive filter tap coefficient signals for significantly improved and robust signal... Agent: Vedder Price Kaufman & Kammholz

20070230558 - Mixer arrangement: A quadrature connected passive mixer arrangement for frequency converting analog signals from a first to a second frequency. The arrangement comprises two parallel connected mixers provided as transistors. First and second LO signals and their inverse signals having separated phases are provided for driving the transistors. Signal path switches are... Agent: Ericsson Inc.

20070230559 - Allowing immediate update of pulse width modulation values: A pulse width modulation (PWM) generator having asynchronous updating of its PWM duty cycle and/or period values allows immediate correction for the new PWM duty cycle and/or period values instead of waiting until the end of a PWM period to accept the new duty cycle and/or period values. This reduces... Agent: Baker Botts, LLP

20070230560 - Dual transmission stream generating device and method: A dual transmission stream generating device includes a turbo pre-processor that receives a turbo stream, encodes the turbo stream to obtain an encoded turbo stream, and expands the encoded turbo stream to obtain an expanded turbo stream; and a turbo packet stuffer that receives a normal stream and the expanded... Agent: Stein, Mcewen & Bui, LLP

20070230561 - Image supply device, image display device, image transfer system, and method of determining image compression method: An image supply device to be connected to an image display device via a predetermined transmission channel, for supplying the image display device with an image signal by transferring the image signal to the image display device via the transmission channel, thereby making the image display device display an image... Agent: Oliff & Berridge, PLC

20070230562 - Spectrally constrained impulse shortening filter for a discrete multi-tone receiver: A channel in a multiple carrier communication system is equalized by computing a target spectral response, shortening the impulse response of the channel so that a significant part of an energy of the impulse response is confined to a region that is shorter than a target length and filtering the... Agent: Fish & Richardson P.C.

20070230563 - Adaptive encoder-assisted frame rate up conversion: This disclosure describes adaptive video encoding and decoding techniques for encoder-assisted frame rate up-conversion (EA-FRUC). An encoder selectively encodes at least a portion of a video frame, such as a block, using an interpolated FRUC frame as a reference. The encoder interpolates at least a portion of the FRUC frame... Agent: Qualcomm Incorporated

20070230564 - Video processing with scalability: In general, this disclosure describes video processing techniques that make use of syntax elements and semantics to support low complexity extensions for multimedia processing with video scalability. The syntax elements and semantics may be added to network abstraction layer (NAL) units and may be especially applicable to multimedia broadcasting, and... Agent: Qualcomm Incorporated

20070230569 - Image processing system and method, and image display system: There is provided an image processing method capable of improving the picture quality. The image processing method comprises: incorporating input frame pictures to be displayed on a display device, on the basis of an input picture signal and an input synchronizing signal which is synchronized with the input picture signal;... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070230565 - Method and apparatus for video encoding optimization: There is provided an encoder and a corresponding method for encoding video signal data corresponding to a plurality of pictures. The encoder includes an overlapping window analysis unit for performing a video analysis of the video signal data using a plurality of overlapping analysis windows with respect to at least... Agent: Joseph J. Laks, Vice President Thomson Licensing LLC

20070230570 - Decoding systems and methods: Various embodiments of decoding systems and methods are disclosed. One system embodiment, among others, comprises a macroblock decode module configured to decode a plurality of context adaptive binary arithmetic coding (CABAC) encoded symbols corresponding to a slice without processor intervention.... Agent: Thomas, Kayden, Horstemeyer & Risley, L.L.P.

20070230567 - Slice groups and data partitioning in scalable video coding: A system and method for separating the data needed for inter-layer prediction and data unneeded for inter-layer prediction in the bitstream. For the coded data of a picture, the decoding of the data needed for inter-layer prediction is performed independent of the data not needed for inter-layer prediction, and it... Agent: Foley & Lardner LLP

20070230566 - System and method for providing error resilience, random access and rate control in scalable video communications: Systems and methods for error resilient transmission, rate control, and random access in video communication systems that use scalable video coding are provided. Error resilience is obtained by using information from low resolution layers to conceal or compensate loss of high resolution layer information. The same mechanism is used for... Agent: Baker Botts L.L.P.

20070230568 - System and method for transcoding between scalable and non-scalable video codecs: Systems and methods are provided for performing transcoding in video communication system that use scalable video coding. The systems and methods can be used to transcode or convert input signals having certain characteristics into desired output signals having different characteristics requirements. The systems and methods are based on compressed domain... Agent: Baker Botts L.L.P.

20070230571 - Image encoding apparatus and image decoding apparatus: An encoding apparatus includes a motion compensator to motion-compensate a reference image to generate a predictive image of an input image, a subtracter to generate a differential signal between the input image and the predictive image, an encoder to encode the differential signal to generate encoded information, a local decoder... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070230573 - Motion estimation device, motion estimation method, motion estimation integrated circuit, and picture coding device: Provided is a motion estimation device in which an amount of pixel data transferred from an external frame memory to an internal reference local memory is reduced. By the motion estimation device, it is possible to reduce a memory capacity and a size or processing of a circuit controlling the... Agent: Greenblum & Bernstein, P.L.C

20070230572 - Video decoding method and apparatus: A video decoding apparatus includes a decoder to decode video encoded data using a predictive picture signal for a video signal, a compression device compressing the decoded picture signal, a first memory storing the decoded picture signal, a second memory storing the compressed picture signal, a decompression device decompressing the... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070230575 - Method and apparatus for encoding/decoding using extended macro-block skip mode: A method is provided for encoding a multi-layer video signal by using an extended macro-block skip mode. The method includes generating a bit stream of a base layer; generating a bit stream of an enhanced layer by referring to a frame of the base layer; setting a syntax item for... Agent: Sughrue Mion, PLLC

20070230574 - Method and device for encoding digital video data: The invention relates to a method and device for encoding digital video data corresponding to an original sequence of images and available in the form of a video stream consisting of successive pictures which are either INTRA pictures or INTER pictures. The INTRA pictures are called I-pictures and encoded by... Agent: Nxp, B.v. Nxp Intellectual Property Department

20070230578 - Apparatus and method of enhanced frame interpolation in video compression: Aspects include systems and methods of improving processing in an encoder in a multimedia transmission system. Other aspects include method and systems of processing in a decoder in a multimedia transmission system. For example, one aspect comprises a method and apparatus of reduced encoding size in an encoder by encoding... Agent: Qualcomm Incorporated

20070230577 - Apparatus for estimating motion vectors with extended search movement of reference macroblock: A motion vector estimation apparatus that can produce motion vectors accurately with an adequately expanded search domain, without increasing computational load too much. A reference macroblock mover moves a reference macroblock in a given reference frame according to a current search pattern, starting from a point identified as a minimum... Agent: Bingham Mccutchen LLP

20070230579 - Serial processing of video signals using a programmable hardware device: Serial processing of video signals is efficiently carried out by the method and system which makes use of specifically configured bitstream processors. The particular bitstream processors utilized include specifically configured decoder blocks and encoder blocks which are uniquely designed to carry out the serial processing tasks necessary for video encoding... Agent: Oppenheimer Wolff & Donnelly LLP

20070230576 - Deriving motion detection information from motion-vector-search type video encoders: A method and apparatus for detecting motion from a digital video stream using MPEG (Moving Picture Expert Group) compression is provided. The MPEG encoder abstracts the relevant video motion data from the digital video stream and estimates the amount of motion for each of the 16×16-pixel macro-block of a current... Agent: Henry M. Sinai (ip-partnership)

20070230580 - Channel equalizer and method of processing broadcast signal in dtv receiving system: A channel equalizer includes a first transformer, an estimator, an average calculator, a second transformer, a coefficient calculator, a compensator, and a third transformer. The first transformer converts normal data into frequency domain data, where a known data sequence is periodically repeated in the normal data. The estimator estimates channel... Agent: Lee, Hong, Degerman, Kang & Schmadeka

20070230581 - Video decoding in a receiver: The disclosure is directed to a receiver. The receiver includes a video decoder and a frame throttle configured to receive a video sequence comprising a plurality of video frames. The frame throttle is further configured to drop one or more of the video frames from the video sequence before providing... Agent: Qualcomm Incorporated

20070230582 - Method for neighboring block data management of advanced video decoder: An embodiment improves the operation of a H.264 and Joint Scalable Video Codec (e.g., JSVC/H.264 Amendment 3) video decoder by managing neighboring block data during the decoding process. An embodiment pre-computes neighboring block tables to efficiently locate the neighboring block data required to decode a current macroblock. In particular, the... Agent: Kacvinsky LLC C/o Intellevate

20070230583 - System and method for video error concealment: The present invention provides, in one embodiment, a system and method for concealing video errors. The system encodes, reorders, and packetizes video information into video data packets for transmission over a communication network such that the system conceals errors caused by lost video data packets when the system receives, depacketizes,... Agent: Wong, Cabello, Lutsch, Rutherford & Brucculeri, L.L.P.

20070230586 - Encoding, decoding and transcoding of audio/video signals using combined parallel and serial processing techniques: An efficient system and process is utilized to achieve encoding, decoding and transcoding of audio/visual signals, as desired within an audio/visual processing system. The system coordinates the operations of several optimum components to achieve the necessary encoding/decoding/transcoding operations. Most significantly, the coordinated use of both a parallel processor and a... Agent: Oppenheimer Wolff & Donnelly LLP

20070230584 - Image buffering techniques: A system, apparatus, method and article to perform buffering techniques are described. The apparatus may include a buffer having a fixed number of storage slots that store reconstructed picture representations received from an image processing module. Also, the apparatus may include a buffer status unit to store a multiple information... Agent: Kacvinsky LLC C/o Intellevate

20070230585 - Method, medium, and system encoding and/or decoding an image: An encoding method, medium, and system encoding an image, with an image being encoded by generating a plurality of image slices as images of each color component of the image and encoding the image slices in parallel with each other and independently of each other. Accordingly, although an image to... Agent: Staas & Halsey LLP

20070230587 - Phase and amplitude modulator: The invention relates to an apparatus for precise modulation of signal phase and signal delay, respectively, and signal amplitude, comprising a first fixed-delay device having its input coupled to an input signal, a first variable delay device having its input coupled to said input signal and having a control input... Agent: Rankin, Hill, Porter & Clark LLP

20070230597 - Dynamic optimisation of block transmissions for interference avoidance: The proposed invention provides a means of implementing interference avoidance in a dynamic manner for a modest increase in complexity at the transmitter. Furthermore, in some scenarios, the receiver does not need any additional information about the transmitted signal in order to recover the transmitted message. The proposed invention overcomes... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070230596 - Methods and apparatus for reduction of a peak to average ratio for an ofdm transmit signal: Methods and apparatus for reduction of a peak to average ratio for an OFDM transmit signal. In an aspect, a method is provided for reducing a peak to average ratio of a transmit waveform. The method includes obtaining a primary scrambler sequence, generating a secondary scrambler sequence having a length... Agent: Qualcomm Incorporated

20070230598 - Ofdma transmitter and method of transmitting ofdma signals using compress-decompress modulation: An Orthogonal Frequency Division Multiple Access (OFDMA) transmitter and method of transmitting OFDMA signals modulates outgoing data into compressed codes, which are temporarily stored in a data buffer. The compressed codes from the data buffer are then decompressed into corresponding modulation signals, which are used to produce time domain waveform... Agent: Wilson & Ham Pmb: 348

20070230604 - Orthogonal frequency division multiplexing (ofdm) receiver, ofdm reception method and terrestrial digital receiver: In an OFDM receiver, one antenna is selected and two moving average integration values (first moving average integration value AI and second moving average integration value AO) of a non-delay symbol and a delay symbol are calculated. Another antenna is selected and two moving average integration values (first moving average... Agent: Frishauf, Holtz, Goodman & Chick, PC

20070230602 - Receiving circuit and receiving method: A receiving circuit which receives information using a multi-carrier signal comprises a phase rotation amount calculator which calculates a first and a second phase rotation amount of a multi-carrier signal included in a first and a second frequency band according to a pilot-sub carrier included in the first and the... Agent: Young & Thompson

20070230603 - Receiving circuit and receiving method: A receiving circuit which receives information using a multi-carrier signal comprises a phase rotation amount calculator which calculates a phase rotation amount of a multi-carrier signal included in a first frequency band according to a pilot-sub carrier included in the first frequency band, a converter which calculates a phase rotation... Agent: Mcginn Intellectual Property Law Group, PLLC

20070230591 - Apparatus for estimating and compensating carrier frequency offset and data receiving method in receiver of wireless communication system: The present invention relates to an apparatus for estimating and compensating a carrier frequency offset, and a data receiving method in a receiver of a wireless communication system. The apparatus correlates a received signal with a signal delayed by a predetermined period of the received signal in a correlation window,... Agent: Fenwick & West LLP

20070230601 - Channel estimation method and apparatus using linear interpolation scheme in orthogonal frequency division multiplexing system and receiver using the same: Disclosed are a channel estimation method and a channel estimation apparatus, and a receiver using the same. The channel estimation apparatus provided in the receiver detects pilot signals from radio signals and estimates channels of the detected pilot signals. The channel estimation apparatus estimates channels corresponding to data by conducting... Agent: The Farrell Law Firm, P.C.

20070230593 - Joint optimization of transmitter and receiver pulse-shaping filters: A method for jointly designing a transmitter pulse-shaping filter and a receiver pulse-shaping filter having respective filter coefficients includes defining one or more performance-related variables based on at least some of the filter coefficients of the transmitter and receiver pulse-shaping filters. One or more constraints applicable to one or more... Agent: Darby & Darby P.C.

20070230590 - Method and apparatus for searching cells utilizing down link preamble signal: An apparatus for searching for a cell in a mobile communication system, including: a preamble sequence storage unit storing preamble sequences each of which corresponds to one preamble index, and a cell searching unit correlating a received signal and the stored preamble sequences in a time domain and identifying the... Agent: Fenwick & West LLP

20070230605 - Method and arrangement in wireless communication networks using relaying: The present invention relates to wireless communication systems wherein relaying is used to enhance performance. According to the method and arrangement of the invention artificial frequency selectivity and spatial diversity is provided by introducing delay diversity. A OFDM chunk is subjected to a 2D cyclic prefix by pre-appending to a... Agent: Nixon & Vanderhye, PC

20070230589 - Method for allocation of power in multiuser orthogonal frequency division multiplexing: Power allocation methods for multiuser orthogonal frequency division multiplexing (OFDM) are described. Arbitrary partitioning of the OFDM tones among users and arbitrary modulation formats, possibly different for every user, are considered. Two systems of receivers and transmitters and corresponding methods address power allocation, respectively for slow fading channels tracked instantaneously... Agent: Priest & Goldstein, PLLC

20070230592 - Method of detecting a frame boundary of a received signal in digital communication system and apparatus of enabling the method: A method of detecting a frame boundary of a received signal in a digital communication system, the method including: generating a delayed signal by delaying the received signal by a predetermined period; calculating a correlation value by correlating the received signal with the delayed signal for a predetermined correlation length... Agent: Fenwick & West LLP

20070230594 - Multi-band ofdm uwb communication systems having improved frequency diversity: Methods and apparatus for transmitting and receiving symbols in a communication system having a plurality of frequency bands are provided. A first symbol is transmitted on a first tone using a first constellation mapping and a second symbol is transmitted on a second tone using a second constellation mapping different... Agent: Ratnerprestia

20070230599 - Multicarrier communication apparatus, integrated circuit, and multicarrier communication method: Channel estimation unit 16 includes CNR calculation unit 17, threshold setting unit 18, and modulation method determination unit 19. CNR calculation unit 17 calculates a CNR for each of a plurality of subcarriers from a received multicarrier communication signal. Threshold setting unit 18 takes statistics of a plurality of calculated... Agent: Stevens, Davis, Miller & Mosher, LLP

20070230600 - Random access structure for wireless networks: Apparatus and methods for accessing a wireless telecommunications network by transmitting a random access signal. The random access signal includes a random access preamble signal selected from a set of random access preamble signals constructed by cyclically shift selected root CAZAC sequences. The random access signal may be one or... Agent: Texas Instruments Incorporated

20070230595 - System and method for beamforming using rate-dependent feedback in a wireless network: Embodiments of multicarrier receiver and method for beamforming using rate-dependent feedback in a wireless network are generally described herein. Other embodiments may be described and claimed. In some embodiments, decimated beamforming matrices are generated for groups of two or more subcarriers and provided to a multicarrier transmitter. The number of... Agent: Schwegman, Lundberg, Woessner & Kluth, P.A.

20070230588 - System, method and device of adjusting a wireless communication signal: Embodiments of the present invention provide a system, method, and apparatus of adjusting a wireless communication signal. In some demonstrative embodiments the method may include, for example, allocating a plurality of spectral components to an adjustment signal based on a spectral range of the wireless communication signal to be adjusted... Agent: Pearl Cohen Zedek Latzer, LLP

20070230606 - Viterbi traceback: In accordance with some embodiments, a traceback unit with traceback and path memories is provided.... Agent: Intel Corporation C/o Intellevate, LLC

20070230607 - Advanced-vsb system (a-vsb): A method of resetting a trellis-coded modulation (TCM) encoder to a known state, the TCM encoder including a reset input that resets the TCM encoder to the known state when held at a reset level for a plurality of symbol clock cycles, the method including identifying an event to occur... Agent: Stein, Mcewen & Bui, LLP

20070230609 - Iterative detection and decoding apparatus and method in mimo system: An iterative detection and decoding method in a Multiple Input Multiple Output (MIMO) system includes detecting entire MIMO nodes to generate soft decision values; decoding a first soft decision value among the soft decision values; determining whether to perform an iterative detection and decoding by measuring reliability of the decoded... Agent: The Farrell Law Firm, P.C.

20070230608 - Method and apparatus for quasi maximum likelihood mimo detection: Techniques for MIMO detection that has performance approaching that of a maximum likelihood (ML) algorithm while having a reduced computational complexity are described. One method of an embodiment decomposes a MIMO channel into a 2×2 system. QR decomposition and maximum likelihood detection may be performed on the 2×2 system. Thereafter,... Agent: Kacvinsky LLC C/o Intellevate

20070230610 - Apparatus for performing alternating quadratures differential binary phase shift keying modulation and demodulation: Methods, apparatus, and systems for alternating quadratures differential binary phase shift keying (AQDBPSK) modulation and demodulation radically increase overall energy efficiency of a communication system due to the combined effect of efficient utilization of transmitter power, high noise immunity of modulation and demodulation, fast synchronization, and simple implementation. Efficient utilization... Agent: Eugene S. Indyk

20070230611 - Apparatus and method of differential iq frequency up-conversion: A balanced transmitter up-converts I and Q baseband signals directly from baseband-to-RF. The up-conversion process is sufficiently linear that no IF processing is required, even in communications applications that have stringent requirements on spectral growth. In operation, the balanced modulator sub-harmonically samples the I and Q baseband signals in a... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20070230612 - Apparatus, system, and method for amplitude-phase synchronization in polar transmitter: A modulation path synchronization apparatus in a polar transmitter includes a modulation path to receive a training waveform, a detector coupled to the modulation path, and a processor coupled to the detector. The detector is to detect a modulated training waveform. The processor is to determine a delay between the... Agent: Tyco Electronics Corporation

20070230613 - Data transmission apparatus and communication system using a constellation rearrangement: A hybrid ARQ retransmission method in a communication system, wherein data packets being encoded with a forward error correction (FEC) technique prior to transmission, are retransmitted based on an automatic repeat request and subsequently soft-combined with previously received erroneous data packets either on a symbol-by-symbol or a bit-by-bit basis The... Agent: Stevens, Davis, Miller & Mosher, LLP

20070230614 - Communication system: There is disclosed a method and apparatus for recovering data from a received signal, the received signal including a first signal comprising data bits and a second signal having transitions at data bit boundaries of the first signal where there is an absence of transitions, the method comprising: receiving the... Agent: Saliwanchik Lloyd & Saliwanchik A Professional Association

20070230616 - Power control techniques for wireless transmitters: Various embodiments are disclosed relating to power control techniques for wireless transmitters. In an example embodiment, an apparatus is provided that may include a digital-to-analog converter (DAC) adapted to convert a digital amplitude signal to an analog amplitude signal during a first transmission mode and adapted to convert a digital... Agent: Brake Hughes Bellermann LLP

20070230615 - Reduced distortion amplifier: AM/AM distortion is reduced in an amplifier. A lookup table with amplitude correction data is indexed using information derived from an amplitude of a baseband signal. The amplitude correction data is applied as gain control to a variable gain stage.... Agent: Lemoine Patent Service, PLLC C/o Portfolioip

20070230617 - Apparatus method for monitoring the i-q phase bias in an i-q quadrature modulation transmitter: An apparatus and a method for a I-Q quadrature modulation transmitter monitor a phase bias between an I branch and a Q branch of the I-Q quadrature modulation transmitter. The I-Q quadrature modulation transmitter includes the I-branch, the Q-branch equipped with a phase bias, and a tap. The apparatus is... Agent: Staas & Halsey LLP

20070230619 - Alternating quadratures differential binary phase shift keying modulation and demodulation method: Methods, apparatus, and systems for alternating quadratures differential binary phase shift keying (AQDBPSK) modulation and demodulation radically increase overall energy efficiency of a communication system due to the combined effect of efficient utilization of transmitter power, high noise immunity of modulation and demodulation, fast synchronization, and simple implementation. Efficient utilization... Agent: Eugene S. Indyk

20070230620 - Method and apparatus for synchronizing alternating quadratures differential binary phase shift keying modulation and demodulation arrangements: Methods, apparatus, and systems for alternating quadratures differential binary phase shift keying (AQDBPSK) modulation and demodulation radically increase overall energy efficiency of a communication system due to the combined effect of efficient utilization of transmitter power, high noise immunity of modulation and demodulation, fast synchronization, and simple implementation. Efficient utilization... Agent: Eugene S. Indyk

20070230618 - Mixer-based phase control: A phase control circuit includes a signal generator sub-circuit that generates a set of phase reference signals having phase angles generally distributed over a phase angle adjustment range. A controller sub-circuit produces weighting signals that assign relative priority for each of the phase reference signals, and includes at least one... Agent: Patterson, Thuente, Skaar & Christensen, P.A.

20070230621 - Digital gaussian noise simulator: In some embodiments, a segment is defined based on α and i. The segment is divided into points based on respective values of j, and the magnitude is calculated for each point of the segment. The defining and dividing segments and calculating the magnitude is iteratively repeated for each value... Agent: Lsi Logic Corporation Timothy R. Croll

20070230623 - System and method for dc offset compensation and bit synchronization: A system and method for compensating for DC offset and/or clock drift on a wireless-enabled device is described. One embodiment includes a radio module, an A/D converter connected to the radio module, a DC tracking loop connected to the A/D converter, and a multi-hypothesis bit synchronizer.... Agent: Mcandrews Held & Malloy, Ltd

20070230622 - Uwb radio interface with dc offset: The present invention provides a method and apparatus for correcting direct current (DC) offsets in radio output signals. The invention comprises a radio processor and a baseband processor. During a calibration routine, the baseband processor measures DC offset produced by the radio processor, generates a corresponding DC offset correction value,... Agent: Haynes And Boone, LLP

20070230624 - Demodulation method and apparatus: A demodulation circuit and method are provided. The demodulation circuit includes a transformation circuit which is configured to transform the received signal into a modified signal representation in which both amplitude-varying information and frequency-varying information are converted to a uniform representation; and a processing circuit which is configured to process... Agent: Sughrue Mion, PLLC

20070230625 - Optical dqpsk receiver apparatus: An interferometer comprises a delay element and a phase shift element. The delay element delays an optical DQPSK signal by one-symbol time. The phase shift element shifts the optical DQPSK signal by π/8. A pair of photodiodes converts each of a pair of optical signals output from the interferometer into... Agent: Bingham Mccutchen LLP

20070230626 - Wireless receiver: A wireless receiver includes an AD converter which includes a plurality of units for converting a received analog signal into a digital signal and can switch an output precision by selecting one or more units to be operated from the plurality of units, and a received signal level calculator which... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070230628 - Apparatus and method for detecting a signal in a communication system using multiple input multiple output scheme: An apparatus is provided for detecting a signal in a communication system using a Multiple Input Multiple Output (MIMO) scheme. The signal detection apparatus includes a detector for generating second matrixes by extending a first matrix composed of channel response vectors, generating specific matrixes by decomposing the second matrixes, generating... Agent: The Farrell Law Firm, P.C.

20070230627 - Forward error correction in a distribution system: A multimedia distribution system is disclosed. The distribution system includes a transmitter unit that distributes content from a content provider to one or more wireless subscriber units. The transmitter unit includes a decoder configured to determine whether a plurality of incoming packets include one or more erasures, a transmitter configured... Agent: Qualcomm Incorporated

20070230629 - Signal detector: A signal detector comprises a signal translator, a data signal detector, a clock signal detector and an inputting control circuit for detecting abnormal clock and data signals. The signal translator respectively converts differential data signals and differential clock signal into a single data signal and a single clock signal. The... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070230630 - Exploiting known padding data to improve block decode success rate: A method and system of decoding a convolutionally encoded data block having known padding bits. A Viterbi decoder is constrained to a state corresponding to k−1 padding bits immediately adjacent to data bits of the data block, where k is a constraint length of a convolution encoder used to encode... Agent: Ogilvy Renault LLP

20070230632 - Methods and apparatus for dynamic packet reordering: Methods and apparatus for dynamic packet reordering. In an aspect, a method is provided for processing slot data on-the-fly to produce decodable packets, wherein the slot data includes interleaved modulation symbols. The method includes de-interleaving a stream of the interleaved modulation symbols to produce a stream of modulation symbols, calculating... Agent: Qualcomm Incorporated

20070230631 - System, method and device of decoding spatially multiplexed signals: Embodiments of the present invention provide a method, apparatus and system of decoding spatially multiplexed signals. In some demonstrative embodiments the method may include, for example, determining one or more hypothetical values of a transmitted signal of a set of transmitted signals based on one or more respective sets of... Agent: Pearl Cohen Zedek Latzer, LLP

20070230633 - Method of determining a synchronous phase: A method of determining a synchronous phase includes receiving a correlation sequence, and selecting one or more correlated signals from the correlation sequence. Then, when the number of selected correlated signals is odd, the synchronous phase corresponding to a central correlated signal is selected.... Agent: Freescale Semiconductor, Inc. Law Department

20070230634 - Start-up automatic frequency control (afc) method and apparatus: A method and apparatus for use in connection with wireless communication to adjust the frequency of an oscillator to synchronize with a received signal by correlating a synchronization code channel with training sequences to estimate positive and negative offsets which are employed to estimate an error, which is then filtered.... Agent: Volpe And Koenig, P.C. Dept. Icc

20070230636 - Method and system for automatic gain control with intelligent selection of signal samples: The disclosure is directed to a mobile communication device that includes automatic gain control (AGC) circuitry. Every n samples of the broadcast signals, an energy estimate of the AGC output signal is used to calculate and update a gain control value. Instead of using all n samples occurring subsequent to... Agent: Qualcomm Incorporated

20070230637 - System and method for improved carrier recovery: A system and method for carrier recovery includes a plurality of carrier recovery modules, each processing the same input symbols, and each having a gain input and an error output. A loop gain control receives errors from the carrier recovery modules and provides gains to the carrier recovery modules. Based... Agent: Joseph J. Laks, Vice President Thomson Licensing LLC

20070230635 - Wireless communication reception with cooperation between agc and digital baseband: In communication systems where the channel is expected to vary during a communication burst, gain adjustments during the communication burst can be implemented by automatic gain control (AGC) in the receiver, with minimal performance degradation. These gain adjustments are successfully accommodated by virtue of suitable information-sharing between an AGC unit... Agent: Ericsson Inc.

20070230639 - Multiple-input multiple-output spatial multiplexing system with dynamic antenna beam combination selection capability:

20070230638 - Method and apparatus to efficiently configure multi-antenna equalizers: Techniques and structures are provided for use in configuring an MMSE equalizer in a multiple antenna system in a computationally efficient manner.... Agent: The Law Offices Of John C. Scott, LLC C/o Intellevele

20070230640 - High definition multi-media interface: A receiver for a multi-channel system such as a HDMI system is presented. In accordance with the present invention, the receiver receives one of the plurality of channels and includes an analog portion, a digital-to-analog converter, and a digital control block that provides digital control signals to the analog portion.... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070230644 - Filtering apparatus: A data buffer stores both latest and past output data of respective stages. A coefficient buffer stores all coefficients required for each filter processing operation. In first filter processing, a filtering apparatus applies a product-sum operation to input data based on required data read from the data buffer and coefficient... Agent: Osha Liang L.L.P.

20070230641 - Adaptive receiver loops with weighted decision-directed error: A method for communication using a modulation scheme defined in a signal space includes determining demodulation confidence levels at a plurality of points distributed over the signal space. Weights are assigned to the respective points responsively to the demodulation confidence levels. A signal is received and demodulated using an adaptive... Agent: Darby & Darby P.C.

20070230642 - Interleaved comb and integrator filter structures: Filter system embodiments are provided for realizing interpolation and decimation processes with interleaved filter structures. These interleaved structures enable the systems to obtain output data rates that exceed the highest operation rates of the system components.... Agent: Koppel, Patrick & Heybl

20070230643 - Track state - and received noise power-based mechanism for selecting demodulator processing path in spatial diversity, multi-demodulator receiver system: A receiver terminal has plural demodulators coupled to spatially diverse signal receiving apertures with different views of a transmitter. A controller monitors the track state of the time/frequency error tracker and received noise power of each demodulator. Timing error and frequency error measurements from whichever demodulator's time/frequency tracker exhibits the... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20070230645 - Metastability injector for a circuit description: During verification of a description of a circuit containing a pre-determined assertion, in order to detect incorrect behavior of the circuit that may be caused by metastability occurring in signals that cross clock domains (“CDC” signals) in the circuit, the description of the circuit is automatically transformed by addition of... Agent: Trellis Intellectual Property Law Group, PC

20070230646 - Phase recovery from forward clock: A clock phase recovery circuit in a communications receiver generates a sample clock signal for recovering data from a received data signal. The sample clock signal is based at least in part on phase difference information associated with the received clock signal and the received data signal. The received clock... Agent: Zagorin O'brien Graham LLP

20070230647 - Clock error detection apparatus and method: An error detection apparatus and method compares a first hardwired value such as a first clock threshold, and a second hardwired value such as a second clock threshold, and generates an indication that there is an error in a clock signal based on a comparison of the first hardwired value... Agent: Advanced Micro Devices, Inc. C/o Vedder Price Kaufman & Kammholz, P.C.

20070230648 - Encoding, clock recovery, and data bit sampling system, apparatus, and method: A system, apparatus, method and article to encode, clock recover, and sample data bits are described. The apparatus may include a pulsed digital module comprising a first clock input, a first data input, a data output, and a reset input. The first clock input to receive an encoded signal from... Agent: Kacvinsky LLC C/o Intellevate

20070230649 - Impulse noise detection from preamble symbols: A communication device constructed according to the present invention detects impulse noise in a preamble sequence. In detecting impulse noise in the preamble sequence the communication device first receive a preamble sequence that includes a plurality of preamble symbols. The communication device then divides the plurality of preamble symbols by... Agent: Garlick Harrison & Markison

20070230650 - Auto-adaptive digital phase-locked loop for large frequency multiplication factors: An auto-adaptive digital phase locked loop (DPLL) includes a phase detector comprising an edge detector having an input that receives an input clock, and an output that outputs a reference event generated from a reference edge of the input clock. The DPLL also includes a programmable first counter that counts... Agent: Akin Gump Strauss Hauer & Feld L.L.P.