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Pulse or digital communications inventions 05/07

Recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing format for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application.   05/31/2007 > patent applications in patent subcategories.

20070121705 - Clear channel assessment method and system for ultra wideband ofdm: An ultra-wideband clear channel assessment system uses a double-window energy technique for energy detection, which indicates a clear or busy channel.... Agent: Squire, Sanders & Dempsey L.l.p

20070121706 - Base station apparatus of mobile communication system: A spreading and/or despreading mechanism in which the inphase component and a quadrature component of a signal are to be transmitted by using a short code and a long code. The long code has an inphase component and a quadrature component that are different from each other. The spreading and... Agent: Workman Nydegger (f/k/a Workman Nydegger & Seeley)

20070121707 - Spread spectrum signal receiver: A proposed spread spectrum signal receiver includes a radio front-end unit and a processing unit. The radio front-end unit, in turn, has an antenna, a digitizing circuit and a primary buffer unit. The antenna is adapted to receive radio signals (SHF) from a plurality of signal sources, and the digitizing... Agent: Dla Piper Rudnick Gray Cary Us, LLP

20070121708 - Discriminator function for gps code alignment: Embodiments of the present invention pertain generally to methods and systems of processing a global positioning satellite (GPS) signal. More particularly, embodiments of the present invention provide an improved discriminator function that utilizes the early, prompt, and late correlator values. For example, the improved discriminator function may be normalized based... Agent: Honeywell International, Inc. Patent Services Group Ab2

20070121709 - Electronic apparatus and unit utilized in electronic system: A printer apparatus generates a fixed-length packet by appending a termination identifier for representing a termination point of sub-data. The printer apparatus transmits the packet to a unit. Upon receiving the packet, the unit detects burst error based upon the termination identifier.... Agent: Fitzpatrick Cella Harper & Scinto

20070121710 - Phase locked loop including a frequency change module: A phase locked loop (PLL) includes a detector, a charge pump, a loop filter, a voltage controlled oscillator (VCO), a divider, and a frequency change module. The detector provides a phase difference based on a reference signal and a feedback signal. The charge pump provides a charge based on the... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20070121711 - Pll with programmable jitter for loopback serdes testing and the like: In one embodiment of the invention, a phase-locked loop (PLL) can be programmably controlled to add jitter to its PLL output clock. Such a PLL can be used to programmably inject jitter into the outgoing serial data signal generated by a serializer/de-serializer (serdes) that can be operated in an internal... Agent: Mendelsohn And Associates, P.C.

20070121712 - Characterizing broadband communication networks: A remote testing device, including a cable modem circuit, requests an IP address from a remote cable modem termination system (CMTS) and receives back IP connection information including adaptive equalizer coefficients, which represent compensation and/or correction for transmission path noise. Using the equalizer coefficients, the remote testing device can determine... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20070121714 - Flexible timebase for eye diagram: A flexible timebase for eye diagrams uses a stable free running oscillator as a sample clock for equivalent time sampling of an input serial digital signal and of a reference signal, such as a sine wave, derived from a subdivided recovered clock of the input serial digital signal. The reference... Agent: Matthew D. Rabdau Tektronix, Inc.

20070121715 - Method and device for crosstalk test in multi-subscriber communication line: Embodiments of the present invention provide a method and a device for crosstalk test in multi-subscriber communication line. The core of embodiments includes: first, transmitting a test signal in a selected line; then, receiving the signal in the line to be tested, and calculating the received signal according to the... Agent: Ladas & Parry

20070121713 - Pulse pattern generator and communication device evaluation system utilizing the same: A pulse pattern generator (11) has a pulse generating unit (12) and a lowpass filter (14), and the pulse generating unit (12) includes an amplitude-value setting unit (13, 13a). The pulse generating unit (12) generates a pulse signal formed in a step-like wave in which at least one of rise... Agent: Frishauf, Holtz, Goodman & Chick, PC

20070121716 - Novel transmitter architecture for high-speed communications: A transmitter architecture includes an equalizer and a D/A converter, for high-speed transmission of data across a channel. The equalizer includes a two-tap MAC as part of an N-stage, two-way interleaved FIR filter. The two-tap MAC provides substantial power and area savings over conventional MAC-based FIR filter designs, and may... Agent: Carrie A. Boone, P.C.

20070121717 - Segmented equalizer: In one embodiment of the present invention, a segmented equalizer includes a plurality of feedforward equalizer segments, each feedforward equalizer segment responsive to delayed samples of an input signal {vn}, wherein n is the index of samples, and including a filter block for filtering the delayed samples by using coefficients... Agent: Maryam Imam, Esq. Law Offices Of Imam

20070121718 - System and method for time-domain equalization in discrete multi-tone systems: A novel time-domain equalizer (TEQ) is provided for the receiver of a Discrete Multi-tone (DMT) system to shorten the length of the effective channel impulse response. The TEQ is based on a variant of the conventional decision-feedback equalizer (DFE) structure along with a training method for the TEQ settings. By... Agent: Sinorica, LLC

20070121720 - Image coding apparatus, image decoding apparatus and image processing system: An importance level determination unit receives: input from a camera of frames of moving images taken; input from a switch connected to a server which is operated manually by hand; and voice input from a microphone. Based on these it determines the importance level of each image frame. An encoder... Agent: Katten Muchin Rosenman LLP

20070121721 - Systems and methods for decoding redundant motion vectors in compressed video bitstreams: The invention is related to methods and apparatus that decode robustly encoded video bitstreams. One embodiment of a decoder can advantageously reconstruct a predictive-coded video object plane (P-VOP) from a standard motion vector and the previous frame; from a redundant motion vector and a frame prior to the previous frame;... Agent: Rosenberg, Klein & Lee

20070121719 - System and method for combining advanced data partitioning and fine granularity scalability for efficient spatiotemporal-snr scalability video coding and streaming: A system and method is provided for combining advanced data partitioning and fine granularity scalability in the transmission of digital video signals. A partition unit 440 located in a base layer encoding unit 410 of a video encoder 400 partitions a base layer bit stream 310, 320 into a base... Agent: Philips Intellectual Property & Standards

20070121722 - Method and system for randomly accessing multiview videos with known prediction dependency: A method randomly accesses multiview videos. Multiview videos are acquired of a scene with corresponding cameras arranged at poses, such that there is view overlap between any pair of cameras. V-frames are generated from the multiview videos. The V-frames are encoded using only spatial prediction. Then, the V-frames are inserted... Agent: Mitsubishi Electric Research Laboratories, Inc.

20070121723 - Scalable video coding method and apparatus based on multiple layers: A scalable video encoding method and apparatus based on a plurality of layers are provided. The video encoding method for encoding a video sequence having a plurality of layers includes coding a residual of a first block existing in a first layer among the plurality of layers; recording the coded... Agent: Sughrue Mion, PLLC

20070121724 - Image motion compensation arrangement and method therefor: Example embodiments are directed to a video image display system that includes a motion estimation circuit (112), a front-end motion compensation circuit (110), and a video signal conversion circuit (134, 136). The motion estimation circuit generates motion vectors as a function of an incoming video signal, the front-end motion compensation... Agent: Philips Intellectual Property & Standards

20070121725 - Motion compensated frame interpolation apparatus and method: We describe a motion compensated frame interpolation apparatus and method that includes a motion vector interpolation module for an object and uncovered area to generate information for motion vectors that cross interpolated pixels in object and/or uncovered areas. A motion vector interpolation module for a covered area generates information for... Agent: Marger Johnson & Mccollom, P.C.

20070121726 - Motion estimator and motion estimating method: A motion estimator and a method of estimating motion are provided. The motion estimator comprises a candidate vector calculating unit for determining a plurality of candidate vectors for each block of a frame to be interpolated, on the basis of a current frame and a previous frame, a final motion... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.

20070121727 - Motion vector encoding device and decoding device: A prediction error generating unit generates a predictive vector from the motion vectors of a plurality of adjacent blocks, and obtains a difference from a target vector. A plurality of variable-length coding units respectively encode the output of the prediction error generating unit with different encoding methods. A determining unit... Agent: Staas & Halsey LLP

20070121728 - Codec for iptv: A method of optimizing decoding of MPEG4 compliant coded signals is provided, comprising: disabling processing for non-main profile sections; performing reference frame padding; performing adaptive motion compensation. The method of decoding further including performing fast IDCT wherein an IDCT process is performed on profile signals but no IDCT is performed... Agent: F. Chau & Associates, LLC

20070121729 - Method and apparatus for memory efficient compressed domain video processing: A method for reducing the memory requirements for decoding a bit stream is provided. The method initiates with receiving a video bit stream. Then, a frame of the bit stream is decoded into a discrete cosine transform (DCT) domain representation. Next, non-zero coefficients of the DCT domain representation are identified.... Agent: Epson Research And Development Inc Intellectual Property Dept

20070121731 - Image encoding/image decoding method and image encoding/image decoding apparatus: An image coding method includes dividing an input picture into a plurality of pixel block signals, performing intra prediction for extrapolating or interpolating a prediction pixel using reference pixels changed in number according to a distance between the prediction pixel and a reference pixel in plural prediction modes each representing... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070121730 - Memory transfer controller and method of transfer control of video line data and macroblock data: A method of transferring sets of video line data and macroblock data, includes the steps of determining a macroblock period and a video line period longer than the macroblock period, dividing each set of video line data to be transferred within the video line period into two or more portions... Agent: Seed Intellectual Property Law Group PLLC

20070121732 - Water ring scanning apparatus: A water ring scanning apparatus configured to process an initial data set, such as a video frame, is disclosed. The water ring scanning apparatus is configured to write a portion of data from the initial data set into a data string. The initial data set is organized with at least... Agent: Ladas & Parry LLP

20070121733 - Scaler architecture for image and video processing: This disclosure describes a scaler architecture for image and/or video processing. One aspect relates to an apparatus comprising an image processing unit, a memory, and a coder. The memory is configured to store processed image data from the image processing unit. The coder is configured to retrieve the stored, processed... Agent: Qualcomm Incorporated

20070121734 - Method for reducing delay difference of differential transmission and system thereof: The present invention discloses a system and method for reducing delay difference of differential transmission, a certain delay difference between waveforms of the P signal and N signal is generated through controlling delay adjustment to P signal or N signal of the differential signals and controlling delay adjustment value simultaneously,... Agent: Marshall, Gerstein & Borun LLP

20070121735 - Communication system using length shift keying modulation: A communication system using a length shift keying (LSK) modulation method provides a transmitter having a carrier signal generator for generating carrier signals, and a modulator for modulating lengths of the carrier signals from the carrier signal generator according to combinations of data bits, and a receiver having an integrator... Agent: Sughrue Mion, PLLC

20070121741 - Adaptive basis functions in a multicarrier communication system: A method for transmitting a signal uses a channel impulse response to determine a sub-carrier frequency function for at least two different basis functions. For each of the at least two sub-carrier frequency functions, a performance measure is predicted using the associated frequency function. These predicted performance measures are then... Agent: Harrington & Smith, PC

20070121746 - Apparatus and method for dynamic channel allocation with low complexity in a multi-carrier communication system: A low-complexity dynamic channel allocation apparatus and method in a multi-carrier communication system are provided. In the low-complexity dynamic channel allocation method, subcarriers are initially allocated to total users and two users are selected from among all possible cases of two users out of the total users. The power gain... Agent: The Farrell Law Firm, P.C.

20070121745 - Filtering process for enhancing ofdma uplink reception sensitivity: Methods and systems for filtering and enhancing the uplink reception sensitivity of OFDMA hybrid point to multipoint communication systems, including the steps of: determining transmission synchronization and bandwidth allocation for a plurality of wireless clients; communicating with the wireless clients via a plurality of hybrid converters connected to a shared... Agent: Active Knowledge Ltd.

20070121744 - Hybrid point to multipoint communication system: Methods and systems for hybrid point to multipoint communication systems, including the steps of: determining transmission synchronization and bandwidth allocation between a first wireless client and a second wireless client communicating via a common communication channel; transmitting a download multi carrier transmission, via a shared signal wired distribution line, wherein... Agent: Active Knowledge Ltd.

20070121742 - Method and apparatus for encoded signal mapping for multi-carrier communication: A communication quality is improved or signal processing is simplified in a multi-carrier communication system such as OFDM. Information different in communication quality such as systematic bits and parity bits of turbo encoded code words is combined together, and information that requires a high communication quality such as the systematic... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070121747 - Method and apparatus for transferring signals in a wireless communication system: Data is transferred in a wireless communication system, such as a wireless spread spectrum communication system. A plurality of transmitting antennas are provided. Data is encoded to produce a plurality of data streams for each of the plurality of codes. The plurality of data streams are spread with the plurality... Agent: Volpe And Koenig, P.C. Dept. Icc

20070121736 - Method for reducing the crest factor: The invention relates to a method for reducing the crest factor of a data symbol to be transmitted in a multi-carrier data transmission system, in which the data symbol to be transmitted is a function of a multiplicity of signals provided within a predetermined data frame and each of these... Agent: Harold C Moore Maginot Moore & Beck

20070121739 - Pilot-assisted doppler frequency estimation: A technique for estimating the Doppler frequency of an input signal comprising a pilot signal. In one embodiment, the technique comprises: (a) accumulating a plurality of samples from the input signal over a specified time duration to derive a channel tap estimate; (b) obtaining a sequence of channel tap estimates... Agent: Mendelsohn & Associates, P.C.

20070121740 - Selective attenuation in spectral notching: Processing data is disclosed. Information associated with a notch frequency spectrum is obtained. A notch signal level, associated with the notch frequency spectrum, is suppressed. A second frequency spectrum is determined based at least in part on the information associated with the notch frequency spectrum. Data associated with the second... Agent: Van Pelt, Yi & James LLP

20070121737 - Transmission apparatus and peak suppression method: A transmission apparatus capable of improving overall throughput of a system by suppressing peaks using some frequencies in a communication band. In this apparatus, modulation section (102) adaptively modulates transmission data. Combination section (103) combines the waveform of the transmission data and an inverse replica and suppresses peaks equal to... Agent: Stevens, Davis, Miller & Mosher, LLP

20070121738 - Transmission apparatus and peak suppression method: A transmission apparatus capable of improving overall throughput of a system by suppressing peaks using some frequencies in a communication band. In this apparatus, modulation section (102) adaptively modulates transmission data. Combination section (103) combines the waveform of the transmission data and the waveform of an inverse replica and suppresses... Agent: Stevens, Davis, Miller & Mosher, LLP

20070121743 - Ubiquitous coverage ofdm hybrid system: Methods and systems for Ubiquitous coverage OFDM hybrid point to multipoint communication system, including the steps of: determining transmission synchronization and bandwidth allocation between a first wireless client and a second wireless client communicating via a common wireless communication channel, by using a wireless point to multi point centralized synchronizing... Agent: Active Knowledge Ltd.

20070121748 - Digital broadcast transmitter/receiver having an improved receiving performance and signal processing method thereof: A digital broadcast transmitting/receiving system, and a signal processing method thereof, includes a randomizer for randomizing a transport stream into a specified position of which stuff bytes are inserted, a stuff-byte exchanger for replacing the stuff bytes included in data output from the randomizer with specified known data, an RS... Agent: Stein, Mcewen & Bui, LLP

20070121750 - Data transmission method and data reception method: In a transfer apparatus to which MIMO-OFDM is applied, a data transmission method and a data reception method are provided in which, even when there are frequency errors varying among transfer paths, the precision of estimation of an inverse propagation coefficient function can be improved, thereby making it possible to... Agent: Wenderoth, Lind & Ponack L.L.P.

20070121749 - Method for pre-filtering training sequences in a radiocommunication system: A training sequence is pre-filtered in a radiocommunication system having an emitter in the form of an antenna device with several antenna systems, thereby making it possible to transmit the training sequences through a pre-filter to said antenna systems side for reradiation by the emitter. Estimation enabling to form the... Agent: Staas & Halsey LLP

20070121751 - Methods and apparatus for beamforming training symbols in wireless multiple-input-multiple-output systems: Embodiments of methods and apparatus for beamforming training symbols in wireless multiple-input-multiple-output systems are generally described herein. Other embodiments may be described and claimed.... Agent: Intel Corporation C/o Intellevate, LLC

20070121752 - Wireless communication apparatus: In a wireless receiving apparatus, comprising a plurality of antennas and a plurality of receivers each of which is provided for each antenna, each receiver uses a received signal that was received by the receiving antenna that is connected to it, and received signals that were received by the other... Agent: Bingham Mccutchen LLP

20070121753 - Wireless communications apparatus: In a lattice-reduction-aided receiver based wireless communications system, soft estimates of transmitted bit values are determined from a received signal by applying lattice reduction to the channel estimate and equalising the received signal in accordance with the reduced basis channel, and determining probabilities of transmitted bits having particular values by... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070121755 - Data scrambler generation of pseudo-random bit sequence for semi-stationary q-mode signal: In a data communication system, a transmitter of a modem, for example, uses a single scrambler to operate in a data communication mode and in a non-data mode. During the data communication mode the scrambler is used to scramble data for communication by the transmitter. During the non-data mode, the... Agent: Mcandrews Held & Malloy, Ltd

20070121756 - Data transfer using frequency notching of radio-frequency signals: A method for data transmission includes forming a notched radio-frequency (RF) burst according to one or more data values, where a bandwidth of the notched RF burst is at least two percent of the center frequency of the notched RF burst. Forming a notched RF pulse includes altering, according to... Agent: Fitch Even Tabin And Flannery

20070121754 - Digital rf transceiver with multiple imaging modes: The disclosed embodiments relate to a digital radio frequency (RF) circuit that creates a signal in a desired range in a frequency spectrum. The RF circuit comprises circuitry that produces a first sample data modulated signal having a first frequency and a first sample data clock rate. An up-sampler modulator... Agent: Joseph J. Laks, Vice President Thomson Licensing LLC

20070121757 - Calibration apparatus and method for quadrature modulation system: A calibration apparatus for a quadrature modulation system with a quadrature modulation compensator and a logarithmic envelop detector, wherein a parameter update of the quadrature modulation compensator is derived by utilizing a transformed offset value and a transformed gain value of the logarithmic envelop detector as intermediate parameters, and the... Agent: Knobbe Martens Olson & Bear LLP

20070121758 - Method and apparatus for determining power required for data transmission in communication systems: Methods and apparatus for estimating a transmission power required for data transmission in a communication system are disclosed. A terminal determines a quality metric of a communication link, over which data are to be transmitted, and modifies the determined quality metric by a quality metric margin. The terminal then estimates... Agent: Qualcomm Incorporated

20070121759 - Method and apparatus for integrated distribution function capture: Probability distribution functions (PDFs), of a periodic input data signal, can be used to provide eye-diagram information. An advantage of PDFs, over conventional approaches to eye-diagram collection, is that analog-to-digital conversion can be accomplished by the slicer of a receiver, provided the slicer can programmably change its threshold. A cumulative... Agent: Synopsys, Inc C/o Park, Vaughan & Fleming LLP

20070121760 - Method for suppressing impulse noise and device thereof: A method for suppressing impulse noises is provided. The method is employed to receive a sample stream x[n], and to detect and suppress the interruption of impulse noise to the samples, wherein the sample stream x[n] includes a plurality of samples and n represents a discrete-time independent variable. The method... Agent: J.c. Patents, Inc.

20070121761 - Phase adjustment circuit: A phase adjustment circuit includes first to nth two-phase adjustment circuits. Each two-phase adjustment circuit includes a first logic circuit for performing logical sum of two input signals, a second logic circuit for performing logical product of the two input signals, a first delay circuit having a signal delay equal... Agent: Mcdermott Will & Emery LLP

20070121762 - Psk receiver, psk demodulating circuit, communication apparatus, and psk receiving method: A phase-shift keying (PSK) receiver includes a carrier wave generator generating a carrier wave, an extracting unit extracting an in-phase component I and a quadrature component Q from a received signal on the basis of the carrier wave and the received signal, a comparator comparing the in-phase component I and... Agent: Harness, Dickey & Pierce, P.L.C

20070121763 - Computation of soft bits for a turbo decoder in a communication receiver: A device (20) for computing a threshold Sthi used in demodulating a quadrature amplitude modulated (QAM) signal to generate a plurality of soft bits per received symbol for input to a turbo decoder, the device including: means (30) for computing the mean amplitude A of the received symbols and multiplying... Agent: Dickstein Shapiro LLP

20070121764 - Frequency error estimation and correction in a saic linear equalizer: Different from conventional equalizers, the output of an SAIC (Single Antenna Interference Cancellation) linear equalizer in GSM/EDGE wireless communication systems is a real signal combined from two real FIR (Finite Impulse Response) filter outputs. Each of the FIRs separately uses the real and imaginary components of the ½ π de-rotated... Agent: Dillon & Yudell LLP

20070121765 - Timing estimator in oqpsk demodulator: A timing estimator of an OQPSK demodulator is provided. In the timing estimator, an A/D converter converts an analog reception signal into a digital reception signal. A differential circuit section delays the digital reception signal from the A/D converter by a preset time and obtains a phase difference between a... Agent: Lowe Hauptman Berner, LLP

20070121767 - Serial transfer interface: To provide a serial transfer interface for realizing a transmission of a stable and high-quality signal although there are characteristic variances due to an environment change and an LSI process, a serial transfer interface is provided at least with a signal waveform correction unit for correcting the distortion of a... Agent: Arent Fox PLLC

20070121766 - Single antenna interference cancellation via complement subspace projection in spatial-temporal expansion of noise estimation: Interference rejection in a wireless communication system involves determining a complement spatial-temporal signal subspace that is complement to a spatial-temporal signal subspace of an interference signal included in a received signal. The received signal is projected onto the complement spatial-temporal signal subspace, whereby the interference signal included in the received... Agent: Potomac Patent Group, PLLC

20070121768 - Reduced-complexity antenna system using multiplexed receive chain processing: A method and associated system for processing a plurality of replicas of a signal in a signal processing chain, the method includes receiving each of the plurality of replicas of the signal at one of a corresponding plurality of respective antenna elements and orthogonally multiplexing the replicas of the signal... Agent: Mcandrews Held & Malloy, Ltd

20070121770 - Frequency detecting and converting apparatus: A frequency detecting and converting apparatus comprises a plurality of frequency-dividers, a multiplexer, a pulse width detector, a comparing unit and an encoder. The invention automatically detects the operating frequency of an input clock signal, divides the frequency of the input clock signal by a pre-defined integer according to the... Agent: Birch Stewart Kolasch & Birch

20070121769 - Implied clock: Systems and methods providing clocking between various components or sub-components are shown. Embodiments implement an implied clock technique which reduces the number of signal lines, signaling overhead required for an encoded clock signal, and/or and power consumption for a high speed communication link. In accordance with embodiments efficient communication is... Agent: Dallas Office Of Fulbright & Jaworski L.L.P.

20070121771 - Clock supplying apparatus and control method thereof: A clock supplying apparatus capable of suppressing a current fluctuation as much as possible when supply of a clock signal to a circuit block is started or stopped. At start or termination of the clock signal supply to the circuit block, the clock signal frequency is temporarily changed to a... Agent: Rossi, Kimms & Mcdowell LLP.

20070121772 - Clock and data recovery circuit: Disclosed is a clock and data recovery circuit for improving the tracking speed against fluctuations or variations in a received data signal, and the clock quality, and for allowing automatic adjustment to an optimum phase of discrimination. The clock and data recovery circuit includes a first feedback loop 204 made... Agent: Michael Best & Friedrich LLP

20070121775 - Memory controller and method thereof: A memory controller and method thereof are provided. The memory controller includes a control logic circuit, a phase locked loop (PLL) and a multiplexer. The PLL generates a plurality of phase clock signals according to a system clock signal. The phase clock signals have the same frequency with the system... Agent: Rabin & Berdo, PC

20070121773 - Phase locked loop circuit: A phase locked loop circuit includes a phase locked loop for generating a plurality of first output signals each having a different phase but a same frequency according to a first reference signal; a control loop for generating a phase selection signal according to a second reference signal and a... Agent: North America Intellectual Property Corporation

20070121774 - Phase-locked loop for stably adjusting frequency-band of voltage-controlled oscillator and phase locking method: A phase-locked loop (PLL) for stably adjusting a frequency band of a voltage-controlled oscillator and a phase locking method. In the PLL, a frequency band controller alters the frequency band selection digital value in response to an input clock signal and an oscillation control signal generated from an LPF of... Agent: Sughrue Mion, PLLC

  
05/24/2007 > patent applications in patent subcategories.

20070116096 - Impulse signal acquisition method and apparatus: An impulse signal acquisition method and apparatus are provided. The impulse signal acquisition apparatus includes: an impulse generator which varies a pulse width of an impulse signal used for transmitting data according to a predetermined control signal to generate the impulse signal; and a controller which applies a pulse width... Agent: Sughrue Mion, PLLC

20070116093 - Method and apparatus to perform surgical reactive jamming while maintaining simultaneous tactical communications: A Method and Apparatus to Perform Surgical Reactive Jamming while Maintaining Simultaneous Tactical Communications is disclosed. The system provides an enhancement to surgical reactive jammers that combines near-real-time jamming capability with the additional feature of allowing tactical communications. The tactical communications transmissions are compressed and packetized such that they can... Agent: Karl M. Steins Steins & Associates

20070116095 - Method for transmission in a cellular single frequency network, a base station, a mobile terminal and a mobile network therefor: The invention concerns a method for transmission in a cellular single frequency network comprising at least one antenna (1A-1D. 2A-2D) in each cell with a pilot adapted channel multiplexing structure, whereby frequency blocks (FB1-FB3) of adjacent OFDM subcarriers with the pilot spreading sequence length fitting into the frequency bandwidth of... Agent: Sughrue Mion, PLLC

20070116092 - Relay station and method for enabling reliable digital communications between two nodes in a wireless relay based network: A relay station (606, 806a, 806b, 906a, 906b, 1006 and 1106) and a method (700) are described herein that enables reliable digital communications to occur between two nodes in a wireless relay based network (600, 800, 900, 1000 and 1100). The wireless relay based network includes a first node (602,... Agent: Ericsson Inc.

20070116094 - Signal arrangement for multi-bandwidth ofdm system: A pilot structure, a method, and a receiver for multi-carrier cellular communications communication system include a network element and a user equipment. The network element is configured to transmit a pilot sequence. The user equipment is configured to detect a pilot sequence comprising a primary synchronization sequence at predetermine number... Agent: Squire, Sanders & Dempsey L.L.P.

20070116091 - Spread code assigning method in code spread radio communication using a plurality of transmission/reception antennas and code spread radio communication system using the same: A receiver 102 connected to a plurality of reception antennas 121 and 122 includes a propagation path correlation estimation circuit 108. The propagation path correlation estimation circuit calculates a correlation value of each propagation path between each of transmission antennas 111 and 112 and each of the reception antennas and... Agent: Paul K Mathews

20070116097 - Ultra-wideband communication through twisted-pair wire media: Methods and apparatus that transmit ultra-wideband signals through twisted-pair wire media are provided. One method includes transmitting an ultra-wideband signal through the twisted-pair wire media at dissimilar time periods. Another method includes transmitting an ultra-wideband signal through the twisted-pair wire media at dissimilar radio frequencies. Yet another method includes transmitting... Agent: Pulse-link, Inc.

20070116098 - Processing a sequence of samples of a signal: For a method for processing a sequence of samples of a signal, it is assumed that the signal comprises a carrier that is modulated by a code composed of a sequence of chips. The method comprises wiping-off an influence by the carrier on the sequence of samples and downsampling the... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20070116103 - Method and apparatus for configuring a rake receiver: A searcher uses an input signal, and for example, a matched filter to generate a first set of candidate paths. A selector uses the input signal and the first set of candidate paths to generate a second set of paths. The second set of paths is used to configure the... Agent: Potomac Patent Group, PLLC

20070116101 - Method and apparatus for demodulating signals processed in a transmit diversity mode: Demodulator architectures for processing a received signal in a wireless communications system. The demodulator includes a number of correlators coupled to a combiner. Each correlator typically receives and despreads input samples (which are generated from the received signal) with a respective despreading sequence to provide despread samples. Each correlator then... Agent: Qualcomm Incorporated

20070116102 - Method and apparatus for demodulating signals processed in a transmit diversity mode: Demodulator architectures for processing a received signal in a wireless communications system. The demodulator includes a number of correlators coupled to a combiner. Each correlator typically receives and despreads input samples (which are generated from the received signal) with a respective despreading sequence to provide despread samples. Each correlator then... Agent: Qualcomm Incorporated

20070116099 - Quasi-linear interference cancellation for wireless communication: Techniques for performing interference cancellation in a wireless (e.g., CDMA) communication system are described. For a single-sector interference canceller, received samples are processed (e.g., despread) to isolate a signal from a transmitter (e.g., a base station) and obtain input samples. The input samples are transformed based on a first transform... Agent: Qualcomm Incorporated

20070116100 - Simplified generalized rake receiver method and apparatus: According to a method and apparatus taught herein, a Rake receiver circuit selectively operates with or without colored interference compensation, in dependence on current operating conditions. For example, in one embodiment the Rake receiver circuit comprises one or more processing circuits that are configured to generate Rake combining weights in... Agent: Coats & Bennett, PLLC

20070116104 - Receiving apparatus, communication apparatus and control apparatus using the same: The present invention conducts the initial synchronization acquisition of the rapid and high precision ultra-wideband signal without complicatedness of hardware and increase in power consumption. For this purpose, a communication apparatus for exchanging information with an intermittent pulse train signal searches all phases among the pulses in the predetermined search... Agent: Miles & Stockbridge PC

20070116105 - Multiple receiver rf integrated circuit architecture: A receiver has a plurality of antennas, a voltage controlled oscillator (VCO), and a processor. Each antenna is coupled to a receiver channel. The voltage controlled oscillator is coupled to the receiver channels. The processor is coupled to the receiver channels and substantially continuously monitors and merges signals from the... Agent: Squire, Sanders & Dempsey L.l.p

20070116106 - Communication system: The present application relates to a wireless communication system and related methods and apparatuses for transmitting a signal from a source apparatus to a destination apparatus, via at least one intermediate apparatus. In particular, the present invention relates to techniques which seek to improve the throughput of data in multi-hop... Agent: Bingham Mccutchen LLP

20070116107 - System and method for adaptive multi-rate (amr) vocoder rate adaptation: The present invention includes a time-division-multiple-access (TDMA) communication system having a base station and at least one mobile station, each transmitting and receiving an analog radio-frequency signal carrying digitally coded speech. The speech is encoded using a vocoder which samples a voice signal at variable encoding rates. During periods when... Agent: Lee, Hong, Degerman, Kang & Schmadeka

20070116108 - Equalizers for layered modulated and other signals: A method and apparatus for equalizing digital data signals is disclosed. The method comprises the steps of demodulating and decoding an input signal having input data to produce a data output, remodulating the data output to produce a training sequence including an idealized input signal, wherein the training sequence is... Agent: The Directv Group Inc

20070116109 - System for dynamic time offsetting in interleaved power amplifiers: A system for controlling the delay applied to one branch of a pulse width modulation amplifier. The delay typically incorporated whether input signal level is low and diminished when the input signal level increases. The system may be implemented using a switch, a level detector and a timer, which in... Agent: Brinks Hofer Gilson & Lione

20070116110 - Optimized video compression using hashing function: A video redirection system redirects an incoming video stream to a remote console. The video redirection system samples the video stream to generate a currently sampled frame comprising a plurality of tiles, and calculates a current hash value for each of the tiles. The video redirection system compresses the tile... Agent: Blakely Sokoloff Taylor & Zafman

20070116111 - System and method for decreasing end-to-end delay during video conferencing session: A method for decreasing end-to-end delay in a video conferencing context is disclosed. At video conferencing system startup, a processor is initialized to receive either a top field or a bottom field of video frame data. If the first line of a new field arriving after initialization does not match... Agent: Wong, Cabello, Lutsch, Rutherford & Brucculeri, L.L.P.

20070116112 - System and method for decreasing end-to-end delay during video conferencing session: A method for decreasing end-to-end delay in a video conferencing context is disclosed. At video conferencing system startup, a processor is initialized to receive either a top field or a bottom field of video frame data. If the first line of a new field arriving after initialization does not match... Agent: Wong, Cabello, Lutsch, Rutherford & Brucculeri, L.L.P.

20070116113 - System and method for decreasing end-to-end delay during video conferencing session: A method for decreasing end-to-end delay in a video conferencing context is disclosed. At video conferencing system startup, a processor is initialized to receive either a top field or a bottom field of video frame data. If the first line of a new field arriving after initialization does not match... Agent: Wong, Cabello, Lutsch, Rutherford & Brucculeri, L.L.P.

20070116116 - Digital transcoding system: A digital transcoder system is presented for receiving data bit streams with a first bit rate (R1) and outputting a data bit stream with a second bit rate (R2) which differs from the first bit rate (R1), and in particular is reduced relative thereto. This transcoder system has a decoder... Agent: Patrick J. O'shea O'shea, Getz & Kosakowski, P.C.

20070116114 - Method and apparatus for encoding or decoding two digital video signals arranged in a single-video signal path: In high-end professional video cameras a triax system is used for transferring various signals back and forth over a single coaxial cable between the camera and a base unit using frequency multiplexing. In current low-cost camera systems several signals are transferred as analogue signals over separate wires or cables. However,... Agent: Joseph J. Laks, Vice President Thomson Licensing LLC

20070116115 - Video bit rate control method: This invention is directed to a video bit rate control method for encoding a video sequence based on a decoder buffer condition and a group of picture (GOP) size limitation of the encoded video sequence. The method includes iteratively adjusting a quantization parameter and/or a masking strength parameter and encoding... Agent: Kenyon & Kenyon LLP

20070116117 - Controlling buffer states in video compression coding to enable editing and distributed encoding: An encoder includes a parser, a plurality of encoder engines and an assembler. The parser divides a portion of a received digital data stream into a plurality of segments having a begin boundary and an end boundary. The plurality of encoder engines independently encode the plurality of segments to accommodate... Agent: Kenyon & Kenyon LLP

20070116119 - Movement detection and construction of an \"actual reality\" image: A method for intraframe image compression of an image is combined with a method for reducing memory requirements for an interframe image compression. The intraframe image compression includes (a) dividing the image into blocks; (b) selecting a block according to a predetermined sequence; and (c) processing each selected block by:... Agent: Macpherson Kwok Chen & Heid LLP

20070116122 - Moving picture coding method and moving picture decoding method: A moving picture coding apparatus 1 includes a counter unit 102 which counts the number of pictures following an intra coded picture; and a motion estimation unit 101 which compares respectively only reference pictures which are the intra coded picture or the following pictures, selected from among a reference picture... Agent: Wenderoth, Lind & Ponack L.L.P.

20070116118 - System and method for maximizing video rf wireless transmission performance: A system and method that will improve QoS (Quality of Service) of wireless video transmission systems. This is done by “in-fly” monitoring of BER by periodically transmitting “test images”, which images are known to the RF-receiver (Rx). BER can be automatically computed, within a related BIT (Built-in-Test) procedure that is... Agent: Leonard Tachner, A Professional Law Corporation

20070116120 - Water ring decoding apparatus: A water ring decoding apparatus configured to process a data string into a restored data set, such as a video image frame, is disclosed. The restored data set is organized with at least one restored origin enveloped by a plurality of nested restored environs successively surrounding each other in the... Agent: Ladas & Parry LLP

20070116121 - Water ring decoding method: A water ring decoding method of processing a data string into a restored data set, such as a video image frame, is disclosed. The restored data set is organized with at least one restored origin enveloped by a plurality of nested restored environs successively surrounding each other in the restored... Agent: Ladas & Parry LLP

20070116123 - Method for obtaining image reference block in a code mode of fixed reference frame number: The present invention discloses a method for obtaining image reference block in a code mode of fixed reference frame number, comprising the steps of: performing motion estimation for each block of a current B frame and obtaining a motion vector MV of a corresponding block of a backward reference frame;... Agent: Merchant & Gould PC

20070116124 - Regulation of decode-side processing based on perceptual masking: This invention is directed to a method for decoding coded video data in which decoder performance is regulated based on perceptual masking. The method includes, upon receipt of coded video data, applying the coded video data to a multi-stage decoding process; computing perceptual masking measures for the coded video data;... Agent: Kenyon & Kenyon LLP

20070116125 - Video encoding/decoding method and apparatus: A video encoding method includes subjecting an input video image to motion compensated temporal filtering using a motion compensated temporal filter to produce a low-pass filtered image, quantizing a transform coefficient of the low-pass filtered image, encoding a quantized transform coefficient, calculating a weight to be given to a low-pass... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070116126 - Multipass video encoding and rate control using subsampling of frames: An encoder includes an encoder engine, a storage device and a controller to implement an iterative coding process. The encoder engine compresses a selected portion of a data sequence. The storage device stores the compressed portion of the data sequence after each iteration. The controller selects the portion of the... Agent: Kenyon & Kenyon LLP

20070116127 - Water ring encoding method: A water ring encoding method of processing an initial data set, such as an image frame, is disclosed having a writing step and an encoding step. The initial data set is organized with at least one initial origin enveloped by a plurality of nested initial environs successively surrounding each other... Agent: Ladas & Parry LLP

20070116128 - Accelerating video data decoding: Accelerating video data decoding is described. In one aspect, hardware accelerated video decoding operations are configured to decode source video data in a first encoded data format. During video data processing operations, the source video data is evaluated to detect any change in the encoding format. Responsive to detecting a... Agent: Lee & Hayes PLLC

20070116129 - System and method for transmitting digital video stream using svc scheme: Disclosed is a system for transmitting a digital video stream, which supports decoding of a scalable video coding (SVC) scheme, the system includes a transmission terminal and a reception terminal, wherein the transmission terminal includes an encoder for encoding a high-definition digital video stream and a division transmission unit for... Agent: Cha & Reiter, LLC

20070116130 - Moving picture signal encoding apparatus, moving picture signal encoding method,and computer-readable recording medium: An apparatus is provided for encoding input moving picture signals using a 2-pass variable bit rate system. The apparatus includes a stream analyzing section that analyzes the input moving picture signals to create information required to calculate a degree of difficulty of encoding per unit time; an encoding degree-of-difficulty calculating... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20070116131 - Methods and systems for picture resampling: Embodiments of the present invention comprise systems and methods for picture up-sampling and picture down-sampling. Some embodiments of the present invention provide an up-sampling and/or down-sampling procedure designed for the Scalable Video Coding extension of H.264/MPEG-4 AVC.... Agent: Krieger Intellectual Property, Inc.

20070116132 - Method and system for control loop response time optimization: A method and system for optimizing a response time of a monitoring loop with forward error correction. Characteristics of a fiber optic communications channel are adjusted based on the number of errors corrected in the FEC decoder. An adaptive BER is calculated much faster by using a signal from an... Agent: Arent Fox PLLC

20070116133 - Automation device: The invention relates to an automation device (100, 100′), in which a multiplicity of physically distributed functional units communicate with each other by means of a common transmission protocol. The device has a microcontroller (110), which is assigned at least one clock generator (120) and one memory unit (150), and... Agent: Abb Inc. Legal Dept. - 4u6

20070116134 - Methods and apparatus for reducing power usage of a transmitter and receiver coupled via a differential serial data link: Methods and apparatus are disclosed for using in-band signal(s) over a differential serial data link to reduce power usage of a transmitter and receiver coupled by the link.... Agent: Hanley, Flight & Zimmerman, LLC

20070116135 - Communication system: A communication system includes a first device and a second device connected to the first device by a single communication line. The first device includes a first transmitting portion which transmits to the second device a pulse signal set to a predetermined cycle that differs according to data, and a... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070116136 - Digital demodulating apparatus, controlling method of the apparatus, computer program product for the apparatus, recording medium recording thereon the product, and digital receiver: A digital demodulating apparatus includes circuit elements constituting a tuner that performs channel select processing to a received signal that has been interleaved, and a demodulator that performs demodulation processing to the received signal from the tuner; a deinterleaving section that performs deinterleaving to the interleaved received signal from the... Agent: Birch Stewart Kolasch & Birch

20070116137 - Blind bandwidth detection for a sample stream: A method for determining a bandwidth of a complex valued sample stream may include correlating a first portion of a preamble symbol of the complex valued sample stream with a second portion of the preamble symbol to generate a time autocorrelated portion. The method may further include transforming the time... Agent: Freescale Semiconductor, Inc. Law Department

20070116139 - Method and system for allocating subcarriers to subscriber devices: A method and system for allocating a plurality of subcarriers to a plurality of subscriber devices in a wireless network. A set of characteristics is identified (302) for a transmission on each of the plurality of subcarriers. A dynamic weight is assigned (304) to at least one subscriber device of... Agent: Motorola, Inc.

20070116138 - Method and system for generating beam-forming weights in an orthogonal frequency division multiplexing network: A method of generating beam-forming weights in an orthogonal frequency division multiplexing network is provided. The method includes generating a plurality of sub-bands. Each sub-band comprises a plurality of sub-carriers. A single beam-forming weight is generated for each sub-band.... Agent: Docket Clerk

20070116140 - Method for correcting soft decision value, computer program product for the same, and reception apparatus for the same: A method for correcting a soft decision value includes: demodulating a reception signal, which is coded by an error correction code and modulated in order to represent one or multiple bits with one symbol; generating the soft decision value, which is used in decoding of the error correction code; multiplying... Agent: Posz Law Group, PLC

20070116142 - Peak-to-average power reduction: A multi-carrier transmitter and transmission technique are described for transmitting payload data during a transmission time interval with reduced peak-to-average power ratio (PAPR). A multi-carrier modulator modulates subcarrier frequencies with payload data and provides a modulated signal for transmission during the transmission time interval. Excessive peaks in the modulated signal... Agent: Nixon & Vanderhye, PC

20070116141 - System and method for performing ls equalization on a signal in an ofdm system: A system for performing LS equalization on a signal in an OFDM system comprises a receiver stage for receiving a modulated signal, a demodulation stage for demodulating the received modulated signal to produce a demodulated signal, a channel estimation stage for processing the demodulated signal to provide an output signal... Agent: Venable LLP

20070116143 - Reduced complexity detection and decoding for a receiver in a communication system: Techniques for performing detection and decoding at a receiver are described. In one scheme, the receiver obtains R received symbol streams for M data streams transmitted by a transmitter, performs receiver spatial processing on the received symbols to obtain detected symbols, performs log-likelihood ratio (LLR) computation independently for each of... Agent: Qualcomm Incorporated

20070116144 - Optimization technique for layered modulation: A method and apparatus for optimizing a system for transmitting a layered modulated signal is disclosed. The method comprises the steps of defining the system in terms of a set of system parameters, including an optimal power separation S between a power of a first modulation layer and a power... Agent: The Directv Group Inc

20070116145 - Systems and methods of rf power transmission, modulation, and amplification, including transfer function embodiments: 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.

20070116146 - System and method for driving an antenna: The present invention relates to a system (100) and method for driving an antenna (118). The system (100) comprises a driving means (110, 112, 114) driving the antenna (118) with a driving signal. The system (100) further comprises a modulation means (102) having an input receiving a transmission data signal... Agent: Birch Stewart Kolasch & Birch

20070116149 - Memoryless spectrum correction algorithm for non-ideal i/q demodulators: An algorithm for correcting the output of an analog I/Q demodulator without the need for calibration or storing state information. The output of the analog I/Q demodulator is digitized, and the discrete-time samples are divided into segments. A digital frequency transform (e.g., a Discrete Fourier Transform) is computed for each... Agent: Edell, Shapiro & Finnan, LLC

20070116147 - Radio receiver, system on a chip integrated circuit and methods for use therewith: A system on a chip integrated circuit includes a first digital module and a second digital module such that the second digital module generates an output during the predetermined period that is based on an output of the first digital module generated during a prior predetermined period. A digital clock... Agent: Garlick Harrison & Markison

20070116148 - Radio receiver, system on a chip integrated circuit and methods for use therewith: A system on a chip integrated circuit includes an analog front end for receiving a received radio signal having a plurality of channel signals, each of the plurality of channel signals being modulated at one of a corresponding plurality of carrier frequencies, and for converting a selected one of the... Agent: Garlick Harrison & Markison

20070116150 - Radio receiver, system on a chip integrated circuit and methods for use therewith: A system on a chip integrated circuit includes a first in-phase digital submodule and a first quadrature phase digital submodule such that the first in-phase digital submodule and the first quadrature phase digital submodule are operable to produce at least one output signal based on at least one input signal.... Agent: Garlick Harrison & Markison

20070116151 - Adaptive coding and modulation for broadband data transmission: A process is described to build physical layer frames with a modcode adapted to the signal quality of a destination terminal. Data packets assigned to the same modcode may be sent in the same frame, although packets associated with higher modcodes may be used to complete a frame before switching... Agent: Townsend And Townsend And Crew LLP Viasat, Inc (client #017018)

20070116152 - Adaptive coding and modulation queuing methods and devices: A process is described to build physical layer frames with a modcode adapted to the signal quality of a destination terminal. Data packets assigned to the same modcode may be sent in the same frame, although packets associated with higher modcodes may be used to complete a frame before switching... Agent: Townsend And Townsend And Crew LLP Viasat, Inc (client #017018)

20070116153 - Rf receiving apparatus and method for removing leakage component of received signal: An RF receiving apparatus and method which can remove a leakage component in a received signal are provided. In the RF receiving apparatus, a noise removing unit estimates a signal corresponding to a noise component introduced into a received RF signal RXIN by controlling a gain and a phase of... Agent: Sughrue Mion, PLLC

20070116154 - Digital receiver and method: A receiver and method is provided for sigma-delta converting an RF signal to a digital signal and downconverting to a digital baseband signal. The RF signal is split into N phases, as can be accomplished using a sample and hold circuit, and each phase is digitized, as can be accomplished... Agent: Docket Clerk

20070116155 - Method and apparatus of cross-correlation: Briefly, a method and apparatus to calculate cross-correlation values of complex binary sequences are provided. The apparatus may include a transformation unit and a cross-correlator. The cross-correlator may include a cross-correlation controller to provide, based on a type bit and a sign bit, a real component and/or an imaginary component... Agent: Schwabe, Williamson & Wyatt, P.C.

20070116156 - Layered modulation for digital signals: Signals, systems and methods for transmitting and receiving layered modulation for digital signals are presented. A layered signal for transmitting data, comprises a first signal layer including a first carrier and first signal symbols for a first digital signal transmission and a second signal layer including a second carrier and... Agent: The Directv Group Inc

20070116157 - Signal decoding apparatus, signal decoding method, program, and information record medium: Signal decoding apparatus, signal decoding method, program, and information record medium are provided and can accomplish not only high-speed and high-capacity communication, but high-accuracy decoding. An initial channel estimation section 31 estimates an initial channel with a pilot symbol added at the beginning of each packet. After a replica of... Agent: Bell, Boyd & Lloyd, LLP

20070116158 - Packet detection in the presence of platform noise in a wireless network: Techniques are presented for improving packet detection within a wireless device in the presence of platform noise.... Agent: The Law Offices Of John C. Scott, LLC C/o Portfolioip

20070116159 - Precise frequency estimation of short data bursts: The invention performs frequency estimation over both the burst preamble, during which known symbols are transmitted, and also during the burst's data packet, which is subsequent to the preamble and extracted by the local detector. During the preamble, an initial frequency estimate is obtained. This estimate is based on a... Agent: Harrity Snyder, LLP

20070116160 - Signal processing method, particularly in a radio-frequency receiver, and signal conditioning circuit: A first signal path having an amplifier and a second signal path having an amplifier with adjustable gain factor are provided. A signal applied to the first and second signal paths is amplified and demodulated on the first signal path. Concurrently, the signal is amplified on the second signal path... Agent: Eschweiler & Associates, LLC National City Bank Building

20070116161 - Diversity receiver and method: Respective demodulated outputs from a plurality of branches 11a to 11d are fed to corresponding error correction units 13a to 13d and error-corrected. The error correction units 13a to 13d feed error signals to error determination units 14a to 14d. The error determination units 14a to 14d determine the error-incidence... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070116162 - Modem control using cross-polarization interference estimation: A receiver includes an input circuit, which is coupled to at least one antenna so as to receive, process and digitize first and second signals, thus generating first and second streams of input samples. An interference cancellation circuit in the receiver includes first and second adaptive filters, which are respectively... Agent: Darby & Darby P.C.

20070116163 - Receiving circuit for multi-slot receiving provided with circuit for adjusting frequency characteristic of active filter: A receiver circuit controls a power source of a front-end circuit and a demodulator using a first power source control signal. Upon receiving data of a plurality of receiving slots having a guard bit provided between receiving slots adjacent to each other, the first power source control signal becomes a... Agent: Wenderoth, Lind & Ponack L.L.P.

20070116165 - Asynchronous transmission device, asynchronous transmission method: The present invention provides an asynchronous transmission device and asynchronous transmission method which reduce the synchronization processing overhead. The asynchronous transmission device that receives at least one notification signal in accordance with a reception clock, the notification signal being transmitted in accordance with a transmission clock, includes a trigger signal... Agent: Arent Fox PLLC

20070116164 - Clock alignment detection from single reference: A data communications system is disclosed. The data communications system comprises two clock domains. Each of the clock domains are coupled to receive a source clock signal. The first clock domain includes a first clock signal and the second clock domain includes a second clock signal, each of the first... Agent: Meyertons, Hood, Kivlin, Kowert & Goetzel, P.C.

20070116166 - Pilot scrambling enabling direct pilot sequence detection in initial acquisition in evolved utra: A communications network and method thereof include a base station controller configured to provide a repetition period of a primary synchronization channel to be equal to a predetermined integer value times a scrambling code length of the scrambling code of a common pilot channel. A user equipment in the network... Agent: Squire, Sanders & Dempsey L.L.P.

20070116167 - Apparatus and method for adjusting filter frequency in relation to sampling frequency: A self-tuning filter is disclosed. The self-tuning filter includes a digital clocking signal and an input coupled to the digital clocking signal, whereby the input reads a value incident on the input when the digital clocking signal changes to a predetermined state. A clock-tunable filter is, furthermore, coupled to the... Agent: The Law Office Of Richard W. James

20070116168 - System and method for ascribing times to events in a medical imaging system: A timing circuit for implementation in a medical imaging system such as a PET scanner, and a method of ascribing times to events in such systems, is disclosed. In one embodiment, the timing circuit includes an n-phase clock having n frequencies of operation, wherein the clock is selectable to provide... Agent: The Small Patent Law Group LLP

20070116169 - Phase-locked loop: An oscillator (30) supplies a high frequency signal (S) to a frequency divider (31) . A phase comparator (32) produces a signal measuring phase difference between the divided frequency signal (QA) and a reference signal. A low-pass filter (34) controls the oscillator on the basis of the measurement signal. A... Agent: Mccracken & Frank LLP

  
05/17/2007 > patent applications in patent subcategories.

20070110126 - Radio communication system and communication apparatus: The communication apparatus employing the non-coherent scheme is used in the UWB-impulse radio system. In order to make it possible to reliably realize long-distance communication, while observing the reference values of the average radiation power and the peak radiation power, and also to realize high-speed short-distance communication, the apparatus includes... Agent: Staas & Halsey LLP

20070110125 - Transmitting device, receiving device, and communication system: A transmitting device includes a continuous pulse generating unit, modulating unit, and output unit. The continuous pulse generating unit continuously generates multiple impulse waveforms at arbitrary time intervals but shorter than the pulse string repetition cycle. The modulating unit modulates continuous pulses generated by the continuous pulse generating unit, using... Agent: Ratnerprestia

20070110127 - Method and apparatus for deriving a channel impulse response estimate for a wireless channel: Techniques for deriving a channel impulse response estimate (CIRE) having improved quality are described. A first CIRE with multiple channel taps is obtained based on (1) an initial CIRE derived from a received pilot or (2) a filtered CIRE derived from the initial CIRE. In one aspect, the channel taps... Agent: Qualcomm Incorporated

20070110128 - Multi-mok modulation/demodulation transmission process, corresponding transmitter and receiver: At transmission, the data to be transmitted is divided into N data blocks, these N blocks are processed in parallel in N M-ary orthogonal keying (MOK) modulation channels, each modulation using a group of spread codes, each channel emitting a signal, all these signals (S) are transmitted in series. At... Agent: Berkeley Law & Technology Group, LLP

20070110129 - Method for measuring frequency characteristic and rising edge of impulse response, and sound field correcting apparatus: A method for measuring a frequency characteristic of a system for measurement, in which the length of an impulse response of the system is greater than the length N of a TSP (time stretched pulse) signal, is provided. The method includes the steps of supplying the TSP signal to the... Agent: Wolf Greenfield & Sacks, PC

20070110130 - Interpolation of channel search results: In general, the invention facilitates searching for energy peaks in spread spectrum wireless communication systems with greater precision. More particularly, various embodiments of the invention may involve reporting not only an energy peak and its associated offset, but also the energy levels corresponding to one or more offsets occurring before... Agent: Qualcomm Incorporated

20070110135 - Iterative interference cancellation for mimo-ofdm receivers: An OFDMA-MIMO receiver performs a recursive interference cancellation across several correlated subbands and several receive antenna elements to demodulate complex source symbols for several users that have been coded across several subbands and transmit antennas. The iterative parallel interference canceller (PIC) is configured to work in the presence of both... Agent: Tensorcomm, Inc.

20070110131 - Iterative interference cancellation using mixed feedback weights and stabilizing step sizes: A receiver is configured for canceling intra-cell and inter-cell interference in coded, multiple-access, spread-spectrum transmissions that propagate through frequency-selective communication channels. The receiver employs iterative symbol-estimate weighting, subtractive cancellation with a stabilizing step-size, and mixed-decision symbol estimates. Receiver embodiments may be implemented explicitly in software or programmed hardware, or implicitly... Agent: Tensorcomm, Inc.

20070110132 - Iterative interference cancellation using mixed feedback weights and stabilizing step sizes: A receiver is configured for canceling intra-cell and inter-cell interference in coded, multiple-access, spread-spectrum transmissions that propagate through frequency-selective communication channels. The receiver employs iterative symbol-estimate weighting, subtractive cancellation with a stabilizing step-size, and mixed-decision symbol estimates. Receiver embodiments may be implemented explicitly in software or programmed hardware, or implicitly... Agent: Tensorcomm, Inc.

20070110133 - Iterative interference cancellation using mixed feedback weights and stabilizing step sizes: A receiver is configured for canceling intra-cell and inter-cell interference in coded, multiple-access, spread-spectrum transmissions that propagate through frequency-selective communication channels. The receiver employs iterative symbol-estimate weighting, subtractive cancellation with a stabilizing step-size, and mixed-decision symbol estimates. Receiver embodiments may be implemented explicitly in software or programmed hardware, or implicitly... Agent: Tensorcomm, Inc.

20070110134 - Iterative interference cancellation using mixed feedback weights and stabilizing step sizes: A receiver is configured for canceling intra-cell and inter-cell interference in coded, multiple-access, spread-spectrum transmissions that propagate through frequency-selective communication channels. The receiver employs iterative symbol-estimate weighting, subtractive cancellation with a stabilizing step-size, and mixed-decision symbol estimates. Receiver embodiments may be implemented explicitly in software or programmed hardware, or implicitly... Agent: Tensorcomm, Inc.

20070110137 - Iterative interference canceller for wireless multiple-access systems employing closed loop transmit diversity: An interference-canceling receiver processes coded, multiple-access, spread-spectrum transmissions that propagate through frequency-selective communication channels from multiple transmit antennas to multiple receive antennas in a closed-loop transmit-diversity channel. The receiver provides for repeated use of symbol-estimate weighting, subtractive cancellation with a stabilizing step-size, and mixed-decision symbol estimation. Receivers may be designed,... Agent: Tensorcomm, Inc.

20070110136 - Iterative interference canceller for wireless multiple-access systems with multiple receive antennas: This invention teaches to the details of an interference canceling receiver for canceling intra-cell and inter-cell interference in coded, multiple-access, spread spectrum transmissions that propagate through frequency selective communication channels to a multiplicity of receive antennas. The receiver is designed or adapted through the repeated use of symbol-estimate weighting, subtractive... Agent: Tensorcomm, Inc.

20070110138 - Subtractive multipath delay detection: In a RAKE receiver delays associated with multipath signals are determined by subtracting power values associated with sidelobes of a peak value for each of the multipath signals. The determination can be performed in two stages, in the first stage the determination of the delays is made without accounting for... Agent: Potomac Patent Group, PLLC

20070110139 - Telecommunications system and receiver: The invention relates to a method for estimating power in a CDMA telecommunications system, in which method a sample set is formed from the received signals. The proposed method reiterates the following steps, until a predetermined ending condition is fulfilled: forming an absolute value set from the absolute values of... Agent: Squire, Sanders & Dempsey L.L.P.

20070110140 - Automatic selection of coherent and noncoherent transmission in a wireless communication system: A coherent or a noncoherent transmission mode is automatically selected for a transmission on the basis of an estimated Doppler frequency shift due to a motion of a mobile terminal. A coherent mode is selected if a pilot signal overhead is not excessive to uniquely characterize a Doppler frequency shift,... Agent: Morrison & Foerster LLP

20070110141 - Method for receiving spectrum spreading signals with frequency shift correction: A method for receiving spectrum spreading signals using a Doppler-effect frequency-shift correction generates a corrective signal based on an estimation of a modulation period related to the Doppler effect detected in a preamble portion of a received signal. The corrective signal is used for correcting an information portion of the... Agent: Berkeley Law & Technology Group, LLP

20070110143 - Speed negotiation for serial transceivers: An arrangement to enable automatic baud rate speed negotiation between transceivers having different operating speed characteristics is implemented. When an event indicative of a possible baud rate mismatch occurs, control signals are generated and used to trigger a baud rate negotiation procedure. In the baud rate negotiation procedure, a predetermined... Agent: Christopher H. Lynt

20070110142 - Spread spectrum clock for usb: A method, apparatus or system for generating a clock signal that includes determining a transmission frequency within a first frequency range for receiving or transmitting a data stream, locking a clock to the transmission frequency during a packet exchange and tuning the clock to one or more frequencies within a... Agent: Marger Johnson & Mccollom, P.C.

20070110145 - Continuous self-calibration of internal analog signals: A method and apparatus for monitoring and adjusting an analog signal of an operating circuit. The apparatus includes a control circuit, an analog-to-digital converter, and a comparator. The control circuit has an analog generator for generating the analog signal and an adjusting circuit for adjusting the strength of the analog... Agent: Brinks Hofer Gilson & Lione Infineon

20070110144 - Method and program for correcting peak position of spectrum waveform pattern: The invention relates to a peak position correcting method that is a pre-process for testing whether properties of a product, a raw material, etc., are good or defective from a spectrum waveform pattern. The method involves setting a reference peak position in a single region including a spectrum waveform pattern,... Agent: Griffin & Szipl, PC

20070110146 - Jitter spectrum analysis using random sampling (rs): The present subject matter is directed to methodologies for measuring jitter spectral content in a sampled signal using continuous time interval analyzers (CTIA) for characterization and test of clock signals and high-speed digital interfaces. The methodology takes advantage of anti-aliasing aspects of random sampling (RS) in a time interval error... Agent: Dority & Manning, P.A.

20070110147 - Equalizing a signal for transmission: Equalizing a signal includes receiving a data sequence signal having an amplitude. An adjustment of the data sequence signal operable to equalize the data sequence signal is determined. A control signal operable to adjust the amplitude of the data sequence signal in accordance with the adjustment is generated, where the... Agent: Baker Botts L.L.P.

20070110148 - Search engine for a receive equalizer: A search engine selects initial coefficients for a receive equalizer. The search engine may be incorporated into a communication receiver that includes a decision feedback equalizer and clock and data recovery circuit. Here, the search engine may initialize various adaptation loops that may control the operation of, for example, a... Agent: Christie, Parker & Hale, LLP

20070110149 - Frequency offset differential pulse position modulation: The present invention provides such a need by utilizing a frequency offset differential pulse position modulation scheme to transmit data between computing devices within a wireless network system. The differential pulse position modulation component of the scheme enables the present invention to provide relative immunity to interference for the system.... Agent: Berkeley Law & Technology Group, LLP

20070110152 - Signal adaptive filtering method, signal adaptive filter and computer readable medium for storing program therefor: A signal adaptive filtering method for reducing blocking effect and ringing noise, a signal adaptive filter, and a computer readable medium. The signal adaptive filtering method capable of reducing blocking effect and ringing noise of image data when a frame is composed ob blocks of a predetermined size includes the... Agent: Sughrue Mion, PLLC

20070110151 - System and method for video frame buffer compression: A system and method are provided for encoding and compressing video data. A memory device is configured to store video data, and a corresponding memory controller controls the storage of video data in the memory device. A frame buffer compression module compresses frame data received from a video module to... Agent: Ess Technology, Inc C/o Haynes Beffel & Wolfeld LLP

20070110150 - System and method for efficient scalable stream adaptation: A system and method for signaling low-to-high layer switching points in a file format level to enable efficient scalable stream switching in streaming servers and local file playback. The present invention also provides for a system and method for signaling low-to-high layer switching points in video bit stream, e.g., to... Agent: Foley & Lardner LLP

20070110153 - Method, medium, and apparatus encoding and/or decoding an image using the same coding mode across components: A method, medium, and apparatus encoding and/or decoding an image in order to increase encoding and decoding efficiency by performing binary-arithmetic coding/decoding on a binary value of a syntax element using a probability model having the same syntax element probability value for respective context index information of each of at... Agent: Staas & Halsey LLP

20070110154 - Random access points in video encoding: In a method of encoding/decoding a video sequence, which is composed of video frames, a first video frame and a second video frame are divided into a set of coding blocks, and at least one of the coding blocks of the first video frame is encoded by intra-coding. Then a... Agent: Hollingsworth & Funk, LLC

20070110155 - Method and apparatus of high efficiency image and video compression and display: A method and an apparatus of image and video compression, decoding and display procedure includes: image and video compression by taking the digitized one color per pixel format instead of RGB or YUV per pixel. Manipulation of video decompression and the color processing before being presented to the display device... Agent: Chih-ta Star Sung Rm. 308, Bld. 52

20070110156 - Bi-directional predicting method for video coding/decoding: The invention discloses a bi-directional prediction method for video coding/decoding. When bi-directional prediction coding at the coding end, firstly the given forward candidate motion vector of the current image block is obtained for every image block of the current B-frame; the backward candidate motion vector is obtained through calculation, and... Agent: J.c. Patents

20070110158 - Encoding apparatus, encoding method, decoding apparatus, and decoding method: ABSTRACT Frames are divided into a plurality of sections on the basis of input images of the frames (S8). One representative image that represents the image of each frame is set in each of the sections (S10). One representative image to be referred to is selected so as to encode... Agent: Fitzpatrick Cella Harper & Scinto

20070110159 - Method and apparatus for sub-pixel interpolation for updating operation in video coding: In the video encoding and decoding of digital video sequence having a prediction operation and an update operation, the update operation includes interpolation to generate energy distributed interpolation. Prediction is carried out on each block based on motion compensated prediction with respect to a reference frame and a motion vector... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20070110161 - Motion vector estimation apparatus: The present invention provides a motion vector estimation apparatus which can decrease circuit size by reducing the amount of computations for detecting a motion vector. The motion vector estimation apparatus in the present invention includes a motion vector estimation unit which estimates a motion vector MV0F for the target block... Agent: Mcdermott Will & Emery LLP

20070110160 - Multi-dimensional neighboring block prediction for video encoding: The motion estimation techniques and video encoding device(s) described use a two dimensional pipeline to generate accurate motion estimation parameters for a current video block. The two dimensional pipeline uses previously calculated motion estimation parameters of relevant neighboring video blocks, including a preceding video block on a same row as... Agent: Qualcomm Incorporated

20070110157 - Power optimized collocated motion estimation method: The present invention relates to a method of motion estimation for use in a device adapted to process a sequence of frames, a frame being divided into blocks of data samples. Said motion estimation method comprises a step of computing a residual error block associated with a motion vector candidate... Agent: Philips Intellectual Property & Standards

20070110162 - 3-d morphological operations with adaptive structuring elements for clustering of significant coefficients within an overcomplete wavelet video coding framework: A system and method is provided for digitally encoding video signals within an overcomplete wavelet video coder. Three dimensional morphological operations are used to identify clusters of significant wavelet coefficients. A video coding algorithm unit 365 locates significant wavelet coefficients across space and time. The video coding algorithm unit [365]... Agent: Philips Intellectual Property & Standards

20070110163 - Image processing apparatus and image processing method: An image processing apparatus includes a decoding unit for performing a decoding process on coded data of a moving picture on a frame-by-frame basis, and a controller for controlling the decoding unit. The controller designates a first decoding condition using multiple attributes, such as resolution level, precinct, component, or layer,... Agent: Blakely Sokoloff Taylor & Zafman

20070110164 - Motion estimation circuit and motion estimation processing element: A motion estimation circuit and a motion estimation processing element are provided. The latch module in the motion estimation circuit has n pieces of m-stage shift registers. Each shift register receives a current block data and transmits the received current block data to next stage according to a timing. The... Agent: Jianq Chyun Intellectual Property Office

20070110165 - Water ring encoding apparatus: A water ring encoding apparatus configured to process an initial data set, such as a video image frame, is disclosed. The water ring encoding apparatus includes a a scanner and an encoder. The initial data set is organized with at least one initial origin enveloped by a plurality of nested... Agent: Ladas & Parry LLP

20070110167 - Digital television signal, digital television receiver, and method of processing digital television signal: A digital television (DTV) signal for use in a DTV receiver includes an extended text table (ETT) which includes a header and a message body. The header includes a table identification (ID) extension field which serves to establish uniqueness of the ETT, and the message body includes an extended text... Agent: Mckenna Long & Aldridge LLP Song K. Jung

20070110166 - Method and device for determining the position of at least one point of reflection of an obstacle: A signal generation device generates a packet containing information obtained by encoding a video signal by using a video signal of a predetermined number of vertical periods as a unit and adds serial number information indicating the generation order as a packet is generated. A signal decoding device includes a... Agent: Osha Liang L.L.P.

20070110169 - Method and device for creating a video sequence representative of a digital video sequence and associated methods and devices for transmitting and receiving video data: A method of creating a video sequence representative of a digital video sequence, characterized in that it comprises the following steps: dividing the digital image video sequence into a plurality video sections, for at least one of said video sections of the digital video sequence: selecting at least one video... Agent: Fitzpatrick Cella Harper & Scinto

20070110168 - Method for generating high quality, low delay video streaming: A method for generating low delay video streaming is provided. In an embodiment, the bit rate desired for outputting the received video stream is input into a buffer (32 of FIG. 1), determining the size of the buffer according to the bit rate, outputting the video frame (36 of FIG.... Agent: Henry M. Sinai (ip-partnership)

20070110170 - Image processing device having blur correction function: Disclosed is an imaging device 100 connected to an external display device 600. The imaging device 100 includes a decoder 5 that, based on an instruction to reproduce coded moving image data recorded in any one of a internal recorder 3, a memory card M and an external recording device... Agent: Frishauf, Holtz, Goodman & Chick, PC

20070110172 - Channel estimation for ofdm systems: A method for performing channel estimation in an orthogonal frequency-division multiplexing system, the method including the steps of: receiving (80) transmitting pilot symbols from a plurality of transmit antennas; forming (82) a least-squares estimation matrix from the transmitted pilot symbols; forming (8488) a sparse smoothing matrix approximating a fixed weighting... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070110173 - Cofdm demodulator with an optimal fft analysis window positioning: The invention relates to a method for the COFDM demodulation of a signal received from a transmission channel. The inventive method includes performing the fast Fourier transform of the signal received in a window corresponding to a symbol, each symbol being associated with a guard time reproducing one part of... Agent: Stmicroelectronics Inc. C/o Wolf, Greenfield & Sacks, PC

20070110178 - Configurable de-interleaver design: An integrated circuit radio transceiver and method therefor is operable to flexibly and efficiently de-interleave a received communication signal by initially changing a received signal from the time domain to the frequency domain to generate a plurality of tones that are then rearranged in a first de-interleaving step to an... Agent: Garlick Harrison & Markison

20070110175 - Phase and frequency control of an ofdm receiver by means of pilot phase-value estimation: A common phase value of pilot subcarriers of a received data symbol (n) is estimated and used for correcting the phase of all subcarriers of the data symbol, wherein, with a time-variant frequency of the local oscillator (VCO), the estimated noisy phase values (Ψn) are used directly for the phase... Agent: Baker Botts, L.L.P.

20070110177 - Rf power distribution in the frequency domain: Data is transmitted during a transmission time interval using an available frequency bandwidth. Blocks of data to be transmitted at different power levels are identified. Multiple portions of the data blocks are distributed for transmission at different frequencies so that data blocks with higher power levels are distributed more toward... Agent: Nixon & Vanderhye, PC

20070110176 - Systems and methods for improved bit-loading for discrete multi-tone modulated multiple latency applications: Systems and methods for performing bit loading in a dual latency data transmission system. In a computer network, such as an XDSL-based network, carrier channels are allocated between two latency paths. Error sensitive information is transmitted over a latency path employing one or more forward error correction techniques. Latency sensitive... Agent: Hunton & Williams LLP Intellectual Property Department

20070110174 - Time tracking for a receiver with guard interval correlation: Techniques for performing time tracking at a receiver are described. A first arriving path (FAP) and a last arriving path (LAP) are detected based on a channel impulse response estimate for a communication channel. The detected FAP and LAP may be correct or swapped. To resolve ambiguity in the detected... Agent: Qualcomm Incorporated

20070110171 - Wireless communication device: A multiband OFDM_UWB transmitting and receiving apparatus is provided in Low-IF configuration to solve problems attributed to a direct-conversion transmitting and receiving apparatus. A Low-IF receiver performs sorting by rotating a sub-carrier after FFT to eliminate the need for frequency conversion using a second local signal and uses the same... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070110180 - Configurable bit interleaving: An integrated circuit radio transceiver and method therefor is operable to flexibly and efficiently interleave a digital bit stream arranged in a table characterized by N rows and N columns further including interleaving column and row bits in the table and frequency rotating interleaved bits in one interleaving step by... Agent: Garlick Harrison & Markison

20070110179 - Transmitter diversity technique for wireless communications: A simple block coding arrangement is created with symbols transmitted over a plurality of transmit channels, in connection with coding that comprises only of simple arithmetic operations, such as negation and conjugation. The diversity created by the transmitter utilizes space diversity and either time or frequency diversity. Space diversity is... Agent: Banner & Witcoff, Ltd. Attorneys For Client No. 006004

20070110182 - Impulse generating device, communication device, and a computer-readable recording medium recording an impulse control program thereon: To realize variable control of the output value of impulses with a simple construction, the present device includes an impulse generating unit which generates impulses; and a control unit which controls an output value of impulses output from the impulse generating unit by changing an input signal that is input... Agent: Staas & Halsey LLP

20070110181 - Multi-frequency wireless transmitter: A multi-frequency wireless transmitter is provided for use in automated security systems. The multi-frequency wireless transmitter transmits a message over a plurality of frequencies, thus diminishing the effects of noise interference. The transmitter includes a frequency generator capable of selectably generating a plurality of frequencies lying within the 260 to... Agent: Honeywell Law Department Patent Services

20070110183 - Offset compensation device: In an electronic device having a circuit outputting a vector sum of two quadrature vector signals, an offset compensating device compensates the offset contained in the vector sum. The offset compensating device aims to flexibly adapt to deviation in characteristics and performances and various fluctuations, and to compensate offset stably... Agent: Katten Muchin Rosenman LLP

20070110184 - Apparatus and method for conditioning a modulated signal in a communications device: A device for transmitting information in a communications signal is envisioned. The information is modulated, at least in part, with a first angle-related characteristic. The device has a digital conversion circuit operable to convert information to be broadcast into a digital form. A constellation mapper is coupled to the digital... Agent: Mcdermott Will & Emery LLP

20070110186 - Carrier tracking for am in-band on-channel radio receivers: A method for carrier tracking in AM in-band on-channel radio receivers comprises the steps of receiving an input signal, generating a local oscillator signal in response to an oscillator control signal, mixing the input signal with a local oscillator signal to produce a first signal, filtering the first signal to... Agent: Pietragallo, Bosick & Gordon LLP

20070110187 - Demapper applied to quadrature amplitude modulation trellis coded modulation decoder and related method: A demapper, applied to a quadrature amplitude modulation trellis coded modulation (QAM-TCM) decoder, for generating more significant bits of a QAM signal according to the QAM signal and at least a less significant bit of the QAM signal is disclosed. The demapper includes a shifter for shifting the QAM signal... Agent: North America Intellectual Property Corporation

20070110185 - Symbol tracking for am in-band on-channel radio receivers: A method for symbol tracking in AM in-band on-channel radio receivers comprises the steps of: receiving a stream of time domain samples; assembling a set of the time domain samples equal to a symbol time plus a half symbol delay in response to a symbol timing adjustment value for each... Agent: Pietragallo, Bosick & Gordon LLP

20070110188 - Signal decoding method and device, and signal storage system: An LDPC unit decoder included in a signal decoding device is provided with a parity checking unit that is a multiplier for performing multiplication of a check matrix (parity check matrix) and temporary estimated values of an encoded signal, computed by a temporary estimated value computation unit. A check matrix... Agent: Cantor Colburn, LLP

20070110189 - Apparatus and method for improving symbol error rate performance of m-ary phase shift keying system having quadrature error: An apparatus and method for improving a symbol error rate of an M-ary phase shift keying (M-PSK) system having a quadrature error are provided. The apparatus includes: a conversion parameter detector that detects a conversion parameter and converts a symbol decision region using the quadrature error and at least one... Agent: Ladas & Parry LLP

20070110190 - Digital apparatus for soft detection of multi-chip dbpsk signals: A system for implementing the soft decision of a 3-chip differential binary phase shift keying (DBPSK) optical signal using digital components. Pair-wise comparisons of three differentially detected signals are performed and analyzed by digital logic which determines the most likely sequence of data. In a first variant, pairs of adjacent... Agent: Brosemer, Kolefas & Associates, LLC - (lucent)

20070110191 - Method and apparatus for normalizing input metric to a channel decoder in a wireless communication system: An apparatus and method are provided for normalizing input soft metric to a channel decoder in a wireless communication system. A demapper generates soft metric using an in-phase component (Xk) and a quadrature component (Yk) of a received modulated symbol (Rk), a channel fading coefficient (gk) and a constant value... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.

20070110192 - Method of communicating between control devices of a load control system: A load control system for controlling the amount of power delivered to an electrical load from an AC power source includes a load control device and a remote control device. The load control device is operable to control the amount of power delivered to the electrical load in response to... Agent: Ostrolenk Faber Gerb & Soffen

20070110193 - Automatic gain control with out of band blocking signal compensation: One embodiment of the present subject matter includes a method of receiving an input signal. The method, in various embodiments, includes detecting a peak of the input signal and detecting an envelope of the input signal. In various embodiments, the peak and envelope are used to identify out-of-band blocking signals... Agent: Schwegman, Lundberg, Woessner & Kluth, P.A.

20070110194 - Method of defining semiconductor fabrication process utilizing transistor inverter delay period: A novel method and apparatus for defining process variation in a digital RF processor (DRP). The invention is well suited for use in highly integrated system on a chip (SoC) radio solutions that incorporate a very large amount of digital logic circuitry. The method and apparatus provide direct measurement of... Agent: Texas Instruments Incorporated

20070110195 - Receiver and communication system: According to the present invention, there is provided a receiver comprising: a decoding unit having a quasi-maximum-likelihood decoder which receives a plurality of transmission signals transmitted simultaneously from a plurality of antennas, decodes the transmission signals using a searching algorithm, and outputs decoded signals, an error packet data storage unit... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070110196 - Inter-symbol interference cancellation for wireless multiple access: An interference-canceling receiver is configured for cancelling inter-symbol interference due to both inter- and intra-channel interference in coded, multiple-access, spread spectrum transmissions that propagate through frequency-selective communication channels. The receiver mitigates the effects of post-cursor inter-symbol interference using feedback of previously estimated symbols, and mitigates pre-cursor inter-symbol interference using an... Agent: Tensorcomm, Inc.

20070110197 - Received signal determination based upon frame classification: A receiver includes digital logic for defining a plurality of signal paths for an ingoing digital signal to determine a frame classification. Frames are classified according to a combination of readings of a plurality of correlation block and relative signal (power) strengths. Power detection is specified for frequency bands of... Agent: Garlick Harrison & Markison

20070110198 - Variable bandwidth receiver: A variable bandwidth receiver uses allocated bandwidth more efficiently and ensures that blocking signals do not overload receiver components. The receiver includes multiple branches for receiving a first bandwidth signal. Each receiver branch has a filter for passing signals in a frequency band corresponding to a second bandwidth less that... Agent: Nixon & Vanderhye, PC

20070110200 - Equalizer for a receiver in a wireless communication system: Techniques for performing equalization at a receiver are described. In an aspect, equalization is performed by sub-sampling an over-sampled input signal to obtain multiple sub-sampled signals. An over-sampled channel impulse response estimate is derived and sub-sampled to obtain multiple sub-sampled channel impulse response estimates. At least one set of equalizer... Agent: Qualcomm Incorporated

20070110201 - Method and apparatus for filtering noisy estimates to reduce estimation errors: Techniques for filtering noisy estimates to reduce estimation errors are described. A sequence of input values (e.g., for an initial channel impulse response estimate (CIRE)) is filtered with an infinite impulse response (IIR) filter having at least one coefficient to obtain a sequence of output values (e.g., for a filtered... Agent: Qualcomm Incorporated

20070110199 - Receive equalizer with adaptive loops: A communication receiver includes a decision feedback equalizer and clock and data recovery circuit. Various adaptation loops may control the operation of the decision feedback equalizer, the clock and data recovery circuit, a continuous time filter, a threshold adjust circuit, and an analog-to-digital clock that is used to generate soft... Agent: Christie, Parker & Hale, LLP

20070110202 - Using statistics to locate signals in noise: Computation of variance or variance of the autocorrelation over a moving window of various sizes of a signal containing noise and possibly a small digital signal provides a sensitive, frequency independent indication of the likelihood of the presence of a small pulse, chirp or even spread spectrum digital signal possibly... Agent: Whitham, Curtis & Christofferson & Cook, P.C.

20070110204 - Sampling circuit apparatus and method: A system, method and apparatus for sampling an electromagnetic signal is provided. In one embodiment of the present invention, data is obtained from an electromagnetic signal by sampling the received signal and demodulating the signal without mixing the signal with a second electromagnetic signal. One feature of the present invention... Agent: Pulse-link, Inc.

20070110203 - Sampling frequency conversion apparatus and signal switching apparatus: A sampling frequency conversion apparatus having sampling frequency conversion circuits for a plurality of channels includes a detector detecting phase information of digital signals inputted to the conversion circuit for each channel, and an input section inputting setting information for the conversion circuits for two or more channels to be... Agent: Frommer Lawrence & Haug LLP

20070110205 - Programmable preamble system and method: A system includes a first communication device and a second communication device. The first communication device includes a programmable region. The programmable region of the first communication device is programmed so that an associated signal includes a number of preamble cycles. The second communication device also can include a programmable... Agent: Courtney Staniford & Gregory LLP

20070110206 - Low jitter and/or fast lock-in clock recovery circuit: An apparatus comprising an oscillator circuit, a control circuit, a counter circuit and a detector circuit. The oscillator circuit may be configured to generate an output signal oscillating at a particular frequency in response to a control signal. The control circuit may be configured to generate the control signal in... Agent: Lsi Logic Corporation

20070110207 - Phase-interpolator based pll frequency synthesizer: A phase lock loop frequency synthesizer includes a phase rotator in the feedback path of the PLL. The PLL includes a phase detector, a low passn filter, a charge pump, a voltage controlled oscillator (“VCO”), and a feed back path connecting output of the VCO to the phase detector. The... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

  
05/10/2007 > patent applications in patent subcategories.

20070104248 - Digital wireless audio communication system employing time diversity: A communication system that transfers digital data on a fixed frequency channel of a radio frequency band in the presence of interference from at least one FHSS interference source includes a time diversity generation circuit. The time diversity circuit compacts a duration of data frames then replicate the time compressed... Agent: George O. Saile

20070104249 - Digital wireless audio receiver system employing time diversity: A receiver system that receives and recovers digital data on a fixed frequency channel of a radio frequency band in the presence of interference from at least one FHSS interference source. The digital data has a duration of data frames compacted then replicated to form duplicated time compressed data frames.... Agent: George O. Saile

20070104250 - Spread-spectrum transceiver: An assembly of simultaneously transmitted electrically generated signals, which contains a subset of binary spreading-code sequences that are members of a larger set of binary spreading-code sequences available to a particular node of a multi-node communication network. All sequences in the set of spreading-code sequences available to the particular node... Agent: Berkeley Law & Technology Group, LLP

20070104252 - Method and apparatus for estimating frequency offset in a wireless mobile communication system: A method of estimating frequency offset in a code division multiple access (CDMA) wireless communication system is disclosed. More specifically, the method includes receiving a training sequence, wherein the training sequence is represented by a plurality of periodically repeated training symbols, acquiring each of a plurality of phase difference values... Agent: Lee, Hong, Degerman, Kang & Schmadeka

20070104251 - Universal derotator for umts modes: The invention relates to a mobile communication apparatus (200) comprising a receiver (203), a derotator (206), a demodulator (208) and a processor (212). The receiver (203) is connected to the derotator (206), the derotator (206) to the demodulator (208), and the controller (212) to the receiver (203), derotator (206) and... Agent: Philips Electronics North America Corporation Intellectual Property & Standards

20070104253 - Channel estimation for wireless communication: Techniques for deriving channel estimates with different channel estimation filters are described. In one scheme, a filter selection metric is determined for a signal to be recovered, a channel estimation filter is selected based on the filter selection metric, and a channel estimate is derived with the selected channel estimation... Agent: Qualcomm Incorporated

20070104254 - Multi-transmitter interference suppression using code-specific combining: Multi-transmitter interference caused by one or more interfering own-cell and/or other-cell transmitters is reduced in a RAKE-based receiver. The RAKE-based receiver comprises a plurality of RAKE fingers, a processor and a combiner. The plurality of RAKE fingers are configured to despread received symbols, wherein a delay for a first one... Agent: Coats & Bennett, PLLC

20070104255 - Barker code detector: Apparatus for determining whether or not a received data sequence is Barker spreaded, comprising sampling means (10) for sampling the received sequence, a Barker correlator (12), means (14) for determining the magnitude of the correlation result, filter means (16) for filtering the correlation results to create a data set consisting... Agent: Philips Intellectual Property & Standards

20070104257 - Detection unit and method for the detection of data symbols: A detection unit is disclosed for the detection of data symbols contained in a demodulated signal, whereby band spreading occurs transmit-side with the use of first sequences, whose first chips each assume one of two different first values. The detection unit comprises the following units: a) a sequence providing unit,... Agent: Mcgrath, Geissler, Olds & Richardson, PLLC

20070104256 - Positioning apparatus, control method of positioning apparatus, control program for positioning apparatus, and computer readable recording medium for storing control program for positioning apparatus: A positioning apparatus for positioning a current position based on satellite signals from positioning satellites includes: satellite signal receiving means, correlation information generating means, tentative code peak position information generating means, statistical processing range information generating means, statistical information generating means for generating statistical information by performing a statistical processing... Agent: GlobalIPCounselors, LLP

20070104258 - Wireless transmitter and receiver for use in an ultra-wideband direct spread pulse communication system: A wireless transmitter and receiver increase a desired/unwanted (D/U) ratio of a correlation output without increasing the number of data in an ultra-wideband direct spread pulse communication system for transmitting and receiving two series of data through different spreading code streams. In the spreading codes used in matched filters of... Agent: The Farrell Law Firm

20070104259 - System and method for concurrent wireless voice and data communications: Unitary transceiving units employ a multiple carrier, time-division-multiple-access (TDMA), time-division-duplex (TDD protocol to conduct concurrent wireless voice and data communications wherein a first transceiving base station unit tethered to a network interface wirelessly communicates to a second, mobile transceiving unit. The mobile transceiving unit wirelessly transmits and receives packetized voice... Agent: Larson Newman Abel Polansky & White, LLP

20070104260 - Jitter measuring apparatus, jitter measuring method and test apparatus: There is provided a jitter measuring apparatus for measuring jitter in a signal-under-measurement having a first pulse generator for detecting edges of the data-signal-under-measurement to output a first pulse signal having a pulse width set in advance corresponding to the edge, a second pulse generator for detecting boundaries of data... Agent: Smith, Gambrell & Russell

20070104261 - Filter equalization using magnitude measurement data: A filter equalization technique for an analog signal path, such as in an instrument that simultaneously measures a signal over a band of frequencies, uses magnitude measurement data for high frequency bands for which phase-calibrated sources are not readily available. A sinusoidal signal source together with an accurate power meter... Agent: Matthew D. Rabdau Tektronix, Inc.

20070104262 - Systems and methods that provide frequency domain supplemental training of the time domain equalizer for dmt: Using a known or later developed time domain equalizer coefficient training algorithm, a least square solution for the time domain equalizer coefficients is taken at a starting point and iteratively improved on. In particular, the improvement is directed towards maximizing number of bits per frame loaded over the time domain... Agent: Sheridan Ross P C

20070104263 - Method for adaptively tuning an equalizer: A method for adaptively tuning an equalizer is disclosed. The method includes utilizing the equalizer to process an input signal and accordingly generate an output signal, determining whether the equalizer has converged, and adjusting an equalizer step size of the equalizer according to a result of the step of determining... Agent: North America Intellectual Property Corporation

20070104264 - Apparatus and method of decision feedback equalization in terrestrial digital broadcasting receiver: The present invention is related to a decision feedback equalizing apparatus and a method thereof. The object of the invention is to provide to an apparatus and a method of decision feedback equalization that make a channel property of an inferior receiving signal to mild by using a channel-matched filter... Agent: Mayer, Brown, Rowe & Maw LLP

20070104265 - Equalizer and equalizing method thereof: An equalizer and an equalizing method for equalizing a received signal, where the received signal includes at least one primary interference and a plurality of secondary interferences. The Viterbi equalizer includes a filter module for filtering out the secondary interferences from the received signal to generate a filtered signal, a... Agent: North America Intellectual Property Corporation

20070104266 - Synchronization circuit for synchronizing pwm modulators: A synchronization circuit for synchronizing at least two self-oscillating PWM modulators, each outputting a respective pulse-width-modulated output signal comprising signal pulses with signal pulse centers, shifts the timings of the signal pulses relative to one another such that their signal pulse centers are in sync.... Agent: Jenkins, Wilson, Taylor & Hunt, P. A.

20070104267 - Method for handling content information: A method for handling content information has the steps of carrying out the method using at least one device in a network, carrying out a video content analysis to provide content information for video data, and accumulating the content information in different hierarchal levels; and also a device for handling... Agent: Michael J. Striker

20070104269 - Coding distortion removal method, video encoding method, and apparatus and program for the same: Mosaic-shaped block noise occurs when a compressed video signal is reproduced. This block noise is removed but removing block noise from every block using a deblocking filter imposes a significant load on the deblocking filter. This load is therefore reduced by determining whether coding distortion removal (deblocking) is necessary, and... Agent: Greenblum & Bernstein, P.L.C

20070104270 - Method and apparatus for encoding and/or decoding moving pictures: A method of encoding moving pictures using a plurality of quantization matrices. The method involves selecting one of the plurality of quantization matrices in consideration of an at least one characteristics of an input image; transforming the input image; and quantizing the transformed input image using the selected quantization matrix.... Agent: Staas & Halsey LLP

20070104271 - Moving picture encoding system: A moving picture encoding system capable of bit rate control, by which moving pictures are encoded while maintaining high quality even when there are substantial changes in the size of objects and the characteristics of texture is provided. A predictive area calculating parameter extracting means obtains a predictive area calculating... Agent: Sughrue Mion, PLLC

20070104272 - Resource efficient video processing via prediction error computational adjustments: A video processing system dynamically adjusts video processing prediction error reduction computations in accordance with the amount of motion represented in a set of image data and/or available memory resources to store compressed video data. In at least one embodiment, video processing system adjusts utilization of prediction error computational resources... Agent: Hamilton & Terrile, LLP

20070104274 - Fast mode-searching apparatus and method for fast motion-prediction: Provided is a fast mode-searching apparatus and method for motion-prediction. The fast mode-searching apparatus includes a probability information obtaining unit, a first inter mode searching unit, a second inter mode searching unit, and a selective intra mode searching unit. The probability information obtaining unit detects whether at least one of... Agent: Ladas & Parry LLP

20070104273 - Method for robust inverse telecine: A method for inverse telecine. The method generally includes the steps of (A) checking if a current field of a plurality of fields in a video sequence repeats in the video sequence according to a pattern-based approach where the current field fits a telecine pattern, (B) checking if the current... Agent: Lsi Logic Corporation

20070104276 - Method and apparatus for encoding multiview video: A method and apparatus for encoding a multiview video using a minimum amount of information regarding the multiview video are provided. The method includes estimating a disparity vector between a reference frame and each adjacent frame at a different viewpoint from a viewpoint of the reference frame; generating a compensated... Agent: Sughrue Mion, PLLC

20070104275 - Motion estimation: A method and apparatus are provided for estimating motion and sequence of video images. A plurality of fields of a sequence of video images are stored then, for each of a plurality of blocks of pixels in each field a test is performed on a set of candidate motion vectors... Agent: Flynn Thiel Boutell & Tanis, P.C.

20070104277 - Video image encoder, video image decoder, and coded stream generation method: According to the embodiment, there is provided a coded stream generation method for generating a coded stream including a plurality of first units and a plurality of second units that are arranged in a time series. The method includes; separating the coded stream into a plurality of information units and... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070104278 - Video image encoder, video image decoder, and coded stream generation method: According to the embodiment, there is provided a coded stream generation method for generating a coded stream including a plurality of first units and a plurality of second units that are arranged in a time series. The method includes; separating the coded stream into a plurality of information units and... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070104268 - Method of estimating coded block pattern and method of determining block mode using the same for moving picture encoder: Provided are a coded block pattern (CBP) estimating method which is performed using an average value and a dispersion value between blocks of CBPs in a moving picture encoder for IP-TVs (Internet Protocol-Televisions), and a block mode decision method, which can determine all block modes with only the first 16×16... Agent: Blakely Sokoloff Taylor & Zafman

20070104279 - Modulating apparatus, mobile communication system, modulating method, and communication method: An encoder encodes sound data and the like to generate a binary signal. A mapper converts the binary signal into a quaternary symbol and outputs the quaternary symbol. A base band filter includes a root raised cosine filter and a sinc filter. The base band filter blocks a predetermined frequency... Agent: Eric Robinson

20070104283 - Apparatus and method for transmitting/receiving data in a multi-antenna communication system: An apparatus for transmitting data in a base station of a wireless communication system that transmits data depending on channel status information fed back from terminals and uses a plurality of antennas. Based on the channel status information, a scheduler determines a terminal to which the base station will transmit... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.

20070104282 - Equalization in radio receiver: A solution for equalization in a radio receiver is provided. According to the provided solution, equalization with a zero forcing equalization algorithm is improved with frequency domain processing of received information symbols. The frequency spectrum of received information symbols is modified with a calculated frequency domain representation of the radio... Agent: Squire, Sanders & Dempsey L.L.P.

20070104281 - Method and device for monitoring carrier frequency stability of transmitters in a common wave network: The method for monitoring the stability of the carrier frequency (ωi) of identical transmitted signals (si(t)) of several transmitters Si of a single-frequency network is based upon a calculation of a carrier-frequency displacement Δωi of a carrier frequency ωi of a transmitter Si relative to a carrier frequency ω0 of... Agent: Ditthavong & Mori

20070104280 - Wireless data transmission method, and corresponding signal, system, transmitter and receiver: A method for the wireless transmission of data between a transmitter and a receiver, involving the use of at least one single-carrier pilot signal and at least one signal for the transmission of data transmitted using a multicarrier modulation. A estimation of the response of the transmission channel of the... Agent: Westman Champlin & Kelly, P.A.

20070104284 - Digital television transmitter/receiver and method of processing data in digital television transmitter/receiver: A digital television (DTV) transmitter and a method of processing known data in the DTV transmitter are disclosed. The method of processing known data in a digital television (DTV) transmitter includes generating a known data sequence, trellis-encoding the known data sequence, the trellis-encoded known data sequence having upper, middle, and... Agent: Jonathan Y. Kang, Esq. Lee, Hong, Degerman, Kang & Schmadeka, P.C.

20070104285 - Digital wireless audio transmitter system employing time diversity: A transmitter system that transfers digital data on a fixed frequency channel of a radio frequency band in the presence of interference from at least one FHSS interference source includes a time diversity generation circuit. The time diversity circuit compacts a duration of data frames then replicate the time compressed... Agent: George O. Saile

20070104286 - Equipment and method for mimo sc-fed communication system: Equipment for a MIMO differential SC-FED communication system that includes a transmitter and a receiver is provided. The transmitter has a differential block encoder module for receiving a plurality of data block pairs and performing a circular convolution operation on the data blocks to produce a plurality of coded data... Agent: J.c. Patents, Inc.

20070104288 - Method and system for utilizing givens rotation expressions for asymmetric beamforming matrices in explicit feedback information: Aspects of a method and system for utilizing Givens rotation expressions for asymmetric beamforming matrices in explicit feedback information are presented. In one aspect of the invention, Givens matrices may be utilized to reduce a quantity of information communicated in explicit feedback information via an uplink RF channel. The explicit... Agent: Mcandrews Held & Malloy, Ltd

20070104287 - Mimo-cdma wireless communication equipment and method for pre-verifying thereof: A MIMO-CDMA wireless communication equipment has a transmitter and a receiver. The transmitter has an encoder for receiving and encoding a plurality of data, and sending the data to a quadrature phase-shift keying (QPSK) unit. The QPSK unit conducts QPSK modulating to an output of the encoder and sends it... Agent: J.c. Patents, Inc.

20070104289 - Apparatus and method for dynamically clocking a loop filter in a digital communications device: A transmitter has a signal generator, an amplifier, a detection circuit, a comparison circuit, a loop filter, and an adjustable clock. The signal generator produces a signal. The signal is produced with a first frequency characteristic and contains frequency-related information. The detection circuit detects the first frequency-related characteristic and generates... Agent: Mcdermott Will & Emery LLP

20070104290 - Fast mode switching frequency synthesizing apparatus and method for operating in low power consumption: A fast mode switching frequency synthesizing apparatus and method for operating in low power consumption. In the frequency synthesizer, according to a mode control signal, an SSB mixer selectively generates and outputs a signal having a frequency which is identical to an input signal RF or outputs a signal having... Agent: Sughrue Mion, PLLC

20070104291 - Apparatus and method for signal mismatch compensation in a wireless receiver: A system and method for signal mismatch compensation in a wireless receiver is disclosed. The method includes receiving an in-phase (I) signal and a quadrature (Q) signal corresponding to the I signal, the Q signal having an ideal phase offset of 90 degrees from the I signal, where there is... Agent: Docket Clerk

20070104292 - Timing recovery phase locked loop: Methods and apparatus for timing recovery phase locked loops. One embodiment provides a phase detectors for generating phase difference signals on the basis of a received feedback signal and an input clock signal and an input data signal, respectively. A digital control unit is adapted to generate a control signal... Agent: Patterson & Sheridan, LLP Gero Mcclellan / Infineon / Qimonda

20070104293 - Technique for demodulating level ii hierarchical data: A technique for demodulating secondary data from a hierarchically modulated signal includes a number of steps. A gray coded eight phase shift key (8-PSK) hierarchically modulated signal is received that includes primary data and secondary data. An imaginary portion of the signal is determined and a real portion of the... Agent: Delphi Technologies, Inc.

20070104294 - Apparatus for independently extracting streams from hierarchically-modulated signal and performing soft-decision, and method thereof: An apparatus for independently extracting streams from a hierarchically-modulated signal and performing a soft-decision, and a method thereof are provided. The apparatus includes: a synchronizing unit for receiving a hierarchically-modulated signal configured of an I-channel signal and a Q-channel signal from an external device and performing a synchronizing process on... Agent: Mayer, Brown, Rowe & Maw LLP

20070104295 - Rssi for fsk iq demodulator: Improved mechanism for generating a receive signal strength indicator (RSSI) in a baseband frequency shift keyed (FSK) demodulator. In one embodiment, the method comprises the steps of (i) receiving inphase and quadrature baseband signals having a relative phase relationship indicative of data symbols; (ii) limiting the amplitude of the inphase... Agent: Honeywell International Inc.

20070104296 - Viterbi decoding apparatus: The present invention can reduce power consumption at the time of tracing. The present invention provides a viterbi decoding apparatus for decoding convolution codes, which includes a path memory unit that stores one of two paths toward respective transition states of a convolution code, as a selected path, for a... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070104297 - Detecting a data frame: A detector (109) and corresponding method is configured for detecting presence of a data frame. The detector includes a first correlator (123) that is configured to provide a first plurality of correlations corresponding to similarity between data as received and first information, e.g., an ordered set of coefficients, that denotes... Agent: Law Office Of Charles W. Bethards, LLP

20070104298 - Wireless device with a non-compensated crystal oscillator: A wireless device achieves good performance using a crystal oscillator that is not compensated for temperature. The crystal oscillator provides a reference signal having a temperature dependent frequency error. A control unit estimates the frequency error (e.g., based on a received pilot) and provides a frequency error estimate. A clock... Agent: Qualcomm Incorporated

20070104299 - Sampling threshold and gain for satellite navigation receiver: A satellite navigation device including a flexible radio frequency (RF) receiver is described. The receiver receives a signal that includes at least a first spread-spectrum signal from a first satellite. The receiver has a first channel that includes an analog-to-digital (A/D) converter to sample and quantize the signal and an... Agent: Morgan, Lewis & Bockius, LLP.

20070104300 - Signal processing apparatus, signal processing method and storage system: A baseline wander correcting unit is provided in a processing path in which a predetermined processing is performed on an input signal. The baseline wander correcting unit includes a baseline wander derivation unit which derives an amount of wander of baseline of a signal on which the predetermined processing has... Agent: Cantor Colburn, LLP

20070104301 - Signal processing apparatus, signal processing method and storage system: A signal processing apparatus includes a first baseline wander correcting unit, provided in a processing path in which a predetermined processing is performed on an input signal, which corrects baseline wander by a feedforward and a second baseline wander correcting unit, provided anterior to the first baseline wander unit, which... Agent: Cantor Colburn, LLP

20070104302 - Method and apparatus for reducing synchronizer shadow: In one embodiment, a method for reducing synchronizer shadow involves: 1) receiving and deserializing a serialized data flit of known length, under control of a first clock domain; 2) before receiving all of the serialized data flit, beginning to resolve a valid signal for the deserialized data flit in a... Agent: Hewlett Packard Company

20070104303 - High resolution time stamps for periodic samples: A method and apparatus for collecting digital sample data from a target system accesses the digital sample data at transitions of a sample clock, acquires information related to an instantaneous average period of the sample clock, and records the digital sample data and the information related to the instantaneous average... Agent: Agilent Technologies Inc.

20070104304 - Semiconductor device: A semiconductor device includes: a signal generating circuit which outputs a repetitive signal; an offset signal generating circuit which outputs an offset signal; a first comparator; and a second comparator. The first comparator compares the repetitive signal with a reference signal and outputs a first control signal during a period... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

  
05/03/2007 > patent applications in patent subcategories.

20070098045 - Detection of time-frequency codes using a spectrogram: A frequency hopping pattern of a frequency hopping signal is detected by use of spectrogram-generating software in a digital storage oscilloscope. By using a spectrogram, a hopping pattern can be determined without having to demodulate the signal, recover the phase or frequency of the carrier, determine optimal sample timing, or... Agent: Thomas F. Lenihan Tektronix, Inc.

20070098044 - Digital low-power cmos pulse generator for ultra-wideband systems: A low-power pulse generator is provided for use in ultra-wideband (UWB) systems. In one embodiment, the UWB pulse generator includes four pulse generators, such as digital triangular pulse generators, that generate Gaussian-like pulses of alternating polarity at different time offsets. The resulting four Gaussian-like pulses are combined to generate a... Agent: Mcdonnell Boehnen Hulbert & Berghoff LLP

20070098046 - Semiconductor integrated circuit device: A processing load of a high performance application processing such as a voice, an image and the like is reduced, and a processing capacity of a base band processing is improved. A semiconductor integrated circuit device used in a mobile communication system such as a cellular phone is provided with... Agent: Miles & Stockbridge PC

20070098047 - Wireless communication apparatus: A wireless communication apparatus includes: a transmitter which sends transmitted data while mixing it with a carrier; a receiver which receives the transmitted data sent from the transmitter while mixing it with the carrier; a spreading waveform generator which generates a spread clock resulting from a reference clock for generating... Agent: Harness, Dickey & Pierce, P.L.C

20070098048 - Method and apparatus for extended least squares estimation for generalized rake receiver parameters using multiple base stations: Exemplary combining weight generation is based on estimating received signal impairment correlations using a weighted summation of interference impairment terms, such as an interference correlation matrix associated with a transmitting base station, and a noise impairment term, such as a noise correlation matrix, the impairment terms scaled by fitting parameters.... Agent: Coats & Bennett, PLLC

20070098049 - Device and method for encoding a datum, and a device and method for decoding an encoded datum: A device for encoding a datum, the device being operable to encode the datum by effecting a phase difference between one or more first pseudorandom signals and one or more corresponding second pseudorandom signals.... Agent: Ladas & Parry

20070098050 - Pilot symbol transmission in wireless communication systems: Pilot symbols transmitted from different sectors of a same base station are multiplied with a same cell specific scrambling code and a first code having low cross correlation and second codes having low cross correlation. The second code is constant over the length of the first code, but may vary... Agent: Qualcomm Incorporated

20070098051 - Rake receiver finger assignment based on signal path concentration: A rake receiver finger assignor is configured to assign a rake receiver finger to a time offset between identified signal path time offsets in accordance with a concentration of identified signal paths from a transmitter to a rake receiver. In accordance with the exemplary embodiment, a number of identified signal... Agent: Qualcomm Incorporated

20070098053 - Multicarrier pilot structure for reliable frame detection: A pilot structure, a method, and a receiver for multi-carrier cellular communications defining a specific Time Division Multiplexer/Multiplexing pilot pattern and pilot sequence for a sub-frame with short system information. A primary synchronization sequence is configured to be transmitted every predetermine number of sub-frames in a defined bandwidth. A primary... Agent: Squire, Sanders & Dempsey L.L.P.

20070098052 - System and method for adaptive broadcast radar system: An adaptive broadcast radar system for tracking targets is disclosed. The radar system includes a transmitter having sub-apertures and a receiver having sub-apertures. The transmitter sub-apertures generate and code a signal waveform. The signal waveform is coded with data about the transmitter, including the degrees of freedom. The receiver receives... Agent: Marsh, Fischmann & Breyfogle LLP

20070098054 - Pseudo-random number sequence output unit, transmitter, receiver, communication system and filter unit: an output section that outputs the pseudo-random number sequence z′[1], z′[2], . . . , z′[N]. A transmitter, receiver and communication system that utilize the output unit, a filter unit, a pseudo-random number sequence output method, transmission method, receiving method and filtering method are provided. A computer-readable data recording medium... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070098055 - System and method for detecting multipath effects in a gps receiver: A multipath component in a GPS signal received is detected when an asymmetry exists in the correlation function of the received si/gnal and the expected GPS signal. The multipath component is also detected, even without a line-of-sight component in the received GPS signal, when a peak of the correlation function... Agent: Macpherson Kwok Chen & Heid LLP

20070098056 - Digital receiver device based on an input comparator: A digital processing device is at the input of a radio frequency receiver chain, suited to a transmission system using a direct sequence spectrum spread, comprising analog-to-digital conversion means (ADC) performing an undersampling of a signal received, resulting in an overlapping of the wanted signal by the transmission channel noise,... Agent: Graybeal Jackson Haley LLP

20070098058 - Method and apparatus for compensating a signal for transmission media attenuation: where f is signal frequency, n is an integer larger than 0, and coefficients K0, K0.5, and K1, K2 . . . Kn are adjustable. Coefficient K0 is adjusted to compensate for DC losses of the signal in the transmission media. Coefficient K0.5 is adjusted so that the term K0.5f0.5... Agent: Smith-hill And Bedell, P.C.

20070098057 - Wireless communications system and wireless digital receiver for use therein: A base station 2 demodulates a wireless signal after downconverting the signal to a low-frequency signal whose center frequency is fi [Hz] and oversampling the signal. A mobile station 3 demodulates a wireless signal after downconverting the signal to a low-frequency signal whose center frequency is fd [Hz] and undersampling... Agent: Wenderoth, Lind & Ponack L.L.P.

20070098060 - Communication method for transmitting multiple packet signals, and radio apparatus and communication system using the same: A radio apparatus communicates with a plurality of terminal apparatuses by using a packet signal composed of at least one stream. A control unit divides a certain period into a plurality of partial periods and assigns respectively the plurality of partial periods to the plurality of terminal apparatuses by associating... Agent: Mcdermott Will & Emery LLP

20070098059 - Testing device and method for providing receiver overload protection during transceiver testing: A testing device for testing transceivers includes a transmitter operable in a first state to transmit signals, a receiver operable in a second state to receive signals and a power coupler coupling the transmitter to the receiver. The testing device further includes an overload protection device operably coupled between the... Agent: Agilent Technologies Inc.

20070098061 - Apparatus, system, and method for adaptive asynchronous equalization using leakage: An apparatus, system, and method are disclosed for adaptive asynchronous equalization using leakage. An equalizer sums products of a plurality of tap signals from a delay line sampling a read signal and a plurality of corresponding tap coefficients to form an equalized signal in an asynchronous time domain having a... Agent: Kunzler & Associates

20070098062 - Signal transmitting and receiving method over wireless network and a reader: A signal transmitting and receiving method in a wireless network use a reader creates a pulse width list relating to pulse widths of transmission signals; transmits signals in sequence according to the created pulse width list; and receives a reply signal with respect to the transmitted signals. The method includes... Agent: Sughrue Mion, PLLC

20070098066 - Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same: Mosaic-shaped block noise occurs when a compressed video signal is reproduced. This block noise is removed, but removing block noise from every block using a deblocking filter imposes a significant load on the deblocking filter. This load is therefore reduced by determining whether coding distortion removal (deblocking) is necessary, and... Agent: Greenblum & Bernstein, P.L.C

20070098064 - Effective rate control for video encoding and transcoding: The quantization factor for each block of pixels in an image or video encoding or transcoding method is determined. The blocks of pixels are classified according to predefined criteria and the blocks are processed according to the resulting classification. The predefined criteria include, for example, anticipated characteristics of the blocks... Agent: Heslin Rothenberg Farley & Mesiti PC

20070098065 - Method and apparatus for performing analog-to-digital conversion in receiver supporting software defined multi-standard radios: Disclosed are an analog-to-digital conversion method and apparatus capable of reducing quantization distortion in a receiver supporting multi-standard radios for which digital signal processing must be differently performed. The analog-to-digital conversion apparatus includes a first filter for filtering an input analog signal into a plurality of sub-band signals, a down-sampler... Agent: Dilworth & Barrese, LLP

20070098067 - Method and apparatus for video encoding/decoding: A method and apparatus for video encoding/decoding are provided to improve compression efficiency by generating a prediction block using an intra-inter hybrid predictor. A video encoding method includes dividing an input video into a plurality of blocks, forming a first predictor for an edge region of a current block to... Agent: Sughrue Mion, PLLC

20070098072 - Command packet system and method supporting improved trick mode performance in video decoding systems: A system, method, and apparatus for reducing the video decoder processing requirements are presented herein. During a rewind operation, a reference picture for a group of pictures is decoded and stored into a reference frame buffer. By storing a reference picture for the group, the reference picture need not be... Agent: Mcandrews Held & Malloy, Ltd

20070098070 - Image coding apparatus: An image coding apparatus that makes possible the parallelization of intra prediction, and outputs coded data that can be decoded by an image decoding apparatus compliant with the H.264 standard. The image coding apparatus performs orthogonal transformation, quantization, inverse quantization, inverse orthogonal transformation, and intra prediction on all blocks obtained... Agent: Wenderoth, Lind & Ponack L.L.P.

20070098068 - Image encoding device, image decoding device, image encoding method, image decoding method, image encoding program, image decoding program, recording medium recording image encoding program, recording medium recording image decoding program: In order to make it possible to obtain the correct decoded image even in the case of not decoding a particular frame of the encoded data and improve the coding efficiency, the predicted image production unit 103 selects the image data from the image data of a plurality of frames... Agent: John S. Pratt, Esq Kilpatrick Stockton, LLP

20070098069 - Inverse scan, coefficient, inverse quantization and inverse transform system and method: Presented herein are inverse scan, coefficient prediction, inverse quantization and inverse transform system(s) and method(s). In one embodiment, there is presented a system for converting scanned quantized frequency coefficients to pixel domain data. The system comprises a first circuit and a second circuit. The first circuit converts scanned quantized frequency... Agent: Mcandrews Held & Malloy, Ltd

20070098071 - Picture coding device, method, and program thereof: The present invention provides a picture coding device which reduces the amount of coded data by coding picture data using the H.264 standard. The picture coding device includes: a picture extension unit that generates an extended picture by extending an input picture using a reference value defined to be used... Agent: Mcdermott Will & Emery LLP

20070098076 - Adaptive filtering based upon boundary strength: Adjacent regions are identified in an image. Coding parameters for the adjacent regions are identified. Selective filtering is performed at the region between the identified adjacent regions.... Agent: Birch Stewart Kolasch & Birch

20070098073 - Motion image coding apparatus, and control method and program of the apparatus: A motion detector detects the motion of an imaging device. On the basis of the detected motion information, a selector selects, from a plurality of frame memories for storing a plurality of frame data, a frame memory for storing reference frame data to be referred to when frame data to... Agent: Fitzpatrick Cella Harper & Scinto

20070098075 - Motion vector estimating device and motion vector estimating method: To provide a motion vector estimating device and a motion vector estimating method which are capable of estimating motion vectors with a high accuracy while reducing the processing amount. The picture coding apparatus includes: a picture reducing unit which generates a reduced picture to be coded and a reduced reference... Agent: Mcdermott Will & Emery LLP

20070098074 - Moving picture encoding device, fade scene detection device and storage medium: An original picture inserted for each frame is divided into motion compensation blocks and each of the motion compensation blocks is encoded using motion compensation inter-frame prediction. A fade scene is detected using at least one of a sum of differential absolute values calculated when detecting a motion vector, a... Agent: Staas & Halsey LLP

20070098077 - Adaptive filtering based upon boundary strength: Adjacent regions are identified in an image. Coding parameters for the adjacent regions are identified. Selective filtering is performed at the region between the identified adjacent regions.... Agent: Birch Stewart Kolasch & Birch

20070098063 - Apparatus and method for uncompressed, wireless transmission of video: An apparatus and method for wireless transmission of uncompressed HDTV video overcomes the challenges of sending vast amounts of information over a wireless link. This is achieved by direct mapping of transformation coefficients of the video components to communication symbols, such as OFDM symbols. A main portion of the important... Agent: Glenn Patent Group

20070098078 - Method and apparatus for video encoding/decoding: A method and apparatus for video encoding/decoding provides a macroblock used as a unit of video division and encoding formed in various sizes, positions, and shapes to improve compression efficiency according to video characteristics. The video encoding method, divides a video into macroblocks while moving macroblocks in each row and/or... Agent: Sughrue Mion, PLLC

20070098080 - Accelerating video decoding using multiple processors: A system and method for decoding high definition video content using multiple processors reduces the likelihood of dropping video frames. Each of the multiple processors produces and stores a portion of a decoded video frame in its dedicated frame buffer. A region of a reference frame that is needed to... Agent: Patterson & Sheridan, L.L.P.

20070098081 - Avc i_pcm data handling and inverse transform in a video decoder: An Inverse Transform (IT) conforming to MPEG AVC I_PCM that offers better video image quality than the MPEG-2/H.263 based video decoders and real time motion picture processing at 30 frames/seconds is described. The IT module performs 4×4 Inverse Integer transform for AVC for MPEG-2 operations on a given macro block... Agent: Squire, Sanders & Dempsey L.L.P.

20070098079 - Decoding method and apparatus enabling fast channel change of compressed video: A video decoder, and corresponding method are described for enabling fast channel change of compressed video, where a video decoder for receiving compressed stream data and providing decompressed video output includes a demultiplexor for receiving the compressed stream data and separating the normal stream and the channel change stream, a... Agent: Joseph J. Laks, Vice President Thomson Licensing LLC

20070098085 - Audio/video signal processor with storage function: An audio/video signal processor with storage function is disclosed. According to an aspect of the present invention, a signal receiver is provided to receive and transmit a external TV signal to a signal processor for demodulation thereof. Next, an encoder/decoder is adopted for encoding/decoding the demodulated TV signal and then... Agent: Birch Stewart Kolasch & Birch

20070098084 - Moving picture encoder: In encoding of moving pictures, I-frame is inserted when a scene change occurs. If scene changes frequently occur in the range of a predetermined amount-of-information allocation, the amount of information allocated to an encoding process on I-frame becomes enlarged. Therefore, the amount of information cannot be sufficiently reserved for another... Agent: Staas & Halsey LLP

20070098083 - Supporting fidelity range extensions in advanced video codec file format: A parameter set is created to specify chroma format, luma bit depth, and chroma bit depth for a portion of multimedia data. The parameter set is encoded into a metadata file that is associated with the multimedia data. The parameter set is extracted from the metadata file if a decoder... Agent: Blakely Sokoloff Taylor & Zafman

20070098082 - Transmitting apparatus, image processing system, image processing method, program, and storage medium: In an image processing method of sequentially loading, compressing, and transmitting images to thereby display the images, there is provided the image processing method capable of preventing the images from degradation while keeping the respondibility until the image is displayed. When a changed region is determined to be present, the... Agent: Ratnerprestia

20070098086 - Spatio-temporal noise filter for digital video: A three-dimensional filter that addresses various types of noise is described. This filter uses both spatial and temporal characteristics of the video signal in the filtering process. Additionally, the filter is able to maintain edge fidelity within in images in the video signal.... Agent: Epson Research And Development Inc Intellectual Property Dept

20070098087 - Circuit structure and signal encoding method for a serial ata external physical layer: A circuit structure and signal encoding method for a serial ATA external physical layer is provided. The circuit structure and signal encoding method thereof is capable of reducing the number of interface signals of a serial ATA external physical layer, essentially comprising a decoder/encoder, a serializer/deserializer, a phase locked loop,... Agent: Rosenberg, Klein & Lee

20070098093 - Apparatus and method for feeding back channel quality information and scheduling apparatus and method using the same in a wireless communication system: An apparatus and method are provided for feeding back channel quality information and performing scheduling using the fed-back channel quality information in a wireless communication system based on Orthogonal Frequency Division Multiple Access (OFDMA). In the OFDMA wireless communication system, forward performance degradation due to a decrease in an amount... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.

20070098102 - Apparatus, method and computer program product providing sub-channel assignment for relay node: Disclosed herein are apparatus, methods and computer program products providing sub-channel re-assignment performed by a relay node in a wireless communications system. In the apparatus, methods and computer program products, a relay receives an input signal made up of a plurality of sub-channels. The relay de-multiplexes the sub-channels into a... Agent: Harrington & Smith, PC

20070098101 - Cyclic delay diversity in a wireless system: A system includes a first transmitter, a second transmitter, and a legacy receiver. The first transmitter transmits information via a first channel to the legacy receiver. The second transmitter transmits a time-shifted version of the information via a second channel to the legacy receiver. The legacy receiver combines the information... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20070098088 - Equalizer applied in mimo-ofdm system and related method: An equalizer applied in a multiple input multiple output (MIMO) orthogonal frequency division multiplex (OFDM) system for alleviating interference among a plurality of received symbol blocks is disclosed. The equalizer includes: a matched filter for extracting a preliminary equalized signal vector from a received symbol block; a blocking device for... Agent: North America Intellectual Property Corporation

20070098098 - Method and apparatus for providing channel quality feedback in an orthogonal frequency division multiplexing communication system: In an Orthogonal Frequency Division Multiplexing communication system, a user equipment reports channel quality information that is sufficient to construct a fading profile of a frequency bandwidth and that does not consuming the overhead resulting from the reporting of CQI for every sub-band of the frequency bandwidth. In the communication... Agent: Motorola, Inc.

20070098095 - Method and apparatus for transmitting data in a communication system: A method and apparatus for transmitting data in a communication system. In the apparatus, a repeater repeatedly processes an input signal a predetermined number of times. A Space-Frequency Block-Coded (SFBC) encoder performs SFBC coding on the repeatedly processed input signals, and outputs at least two signal blocks in parallel. A... Agent: Dilworth & Barrese, LLP

20070098091 - Method and system for residual frequency offset compensation of multi-carrier communication system: A residual frequency offset (RFO) compensation method and a compensation system of a multi-carrier communication system is disclosed. The compensatory method of present invention includes two phase-computation steps. The first phase-computation step processes a phase variation of an OFDM data symbol each time to obtain a RFO estimation for compensating... Agent: Squire, Sanders & Dempsey L.l.p

20070098092 - Multicarrier receiver and method for generating common phase error estimates for use in systems that employ two or more transmit antennas with independent local oscillators: Embodiments of system and method for generating common phase error (CPE) estimates in a multicarrier receiver are generally described herein. Other embodiments may be described and claimed. In some embodiments, the CPE estimates may be generated for each channel between two or more transmit antennas and the multicarrier receiver.... Agent: Schwegman, Lundberg, Woessner & Kluth, P.A.

20070098094 - Peak-to-average power ratio reduction with threshold limited selection for coded ofdm systems: Disclosed is a coded orthogonal frequency-division multiplexing (OFDM) system and method for reducing a peak-to-average power ratio (PAPR). The system and method include a modulator configured to modulate (e.g., using quadrature amplitude modulation (QAM)) coded bits into symbols. The system and method also include an inverse discrete fourier transform (IDFT)... Agent: Nec Laboratories America, Inc.

20070098089 - Performing blind scanning in a receiver: In one embodiment, the present invention includes a method for receiving data corresponding to a portion of an incoming radio frequency (RF) spectrum, determining a set of estimates including one or more pairs of a channel frequency estimate and a symbol rate estimate from the data via a linear spectrum... Agent: Trop Pruner & Hu, PC

20070098100 - Pilot sequence detection: A user equipment and corresponding method detect a frequency division permanent common pilot and include a controller configured to use a sliding correlator with a frequency division phase-shift, an averaging unit configured to average a peak magnitude output of the sliding correlator over a predetermined number of sub-frames for each... Agent: Squire, Sanders & Dempsey L.L.P.

20070098099 - Precoding for segment sensitive scheduling in wireless communication systems: Techniques to enhance the performance in a wireless communication system using segments called subbands and using precoding are shown. According to one aspect, the bandwidth for transmission to an access terminal is constrained to a preferred bandwidth which is less than the bandwidth available for transmission to an access terminal... Agent: Qualcomm Incorporated

20070098097 - System and method for enhancing the performance of wireless communication systems: A system and method for enhancing the performance of a wireless communication system are disclosed. For example, a method for enhancing the performance of a wireless communication system is disclosed, which includes the steps of receiving a signal including a first plurality of sub-bands, calculating a plurality of channel quality... Agent: Fogg & Powers LLC

20070098090 - Systems, methods, and apparatus for mitigation of nonlinear distortion: A method among the embodiments includes calculating a value of a parameter of a nonlinear model of a signal as transmitted into a transmission channel, and applying the calculated value to obtain an estimate of data values carried by the signal. Applications to multicarrier signals are described.... Agent: Hartman Patents PLLC

20070098096 - Wireless transmitter, signal to subcarrier allocation method for synchronizing symbol, and wireless receiver: A wireless transmitter for transmitting an OFDM symbol including a first generator to generate a plurality of first signals each including a stationary signal, a second generator to generate a plurality of second signals whose total power is less than that of the first signals, and an allocation unit configured... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070098104 - Method and system to maintain shapes of temporal pulses in wireless broadband signals transmitted through a dispersive antenna: A radio frequency system for broadband wireless communication including one or more dispersive antennae operable to transmit and receive wireless broadband signals having a wide range of frequencies and one or more equalizers each in communication with a respective dispersive antenna and each operable to distort the broadband signals to... Agent: Honeywell International Inc.

20070098105 - Nxn multiple-input multiple-output transceiver: An N×N multiple-input multiple-output (MIMO) transceiver is provided. The transceiver includes a plurality of transceivers, each including at least one transceiver circuit; an oscillation unit which is configured to generate a differential signal which is supplied to the at least one transceiver circuit; a plurality of buffers, which are mounted... Agent: Sughrue Mion, PLLC

20070098106 - Quantized multi-rank beamforming with structured codebook for multiple-antenna systems: A quantized multi-rank beamforming technique that is adapted based on feedback from a receiver containing information that captures the existence of multiple transmission modes of the channel between the transmitter and receiver. The modes of the channel can be represented by a set of orthonormal eigenvectors. Rank selection chooses the... Agent: Brosemer, Kolefas & Associates, LLC (necl)

20070098103 - Receiving apparatus and transmitting apparatus: A partial bit demodulation section (550) that demodulates partial bits among a plurality of bits that form 1 symbol of each modulated signal using a detection method different from likelihood detection, signal point reduction sections (514 and 516) that reduce the number of candidate signal points using demodulated partial bits,... Agent: Stevens, Davis, Miller & Mosher, LLP

20070098107 - Digital television transmitter/receiver and method of processing data in digital television transmitter/receiver: A digital television transmitter and a method of coding main and enhanced data in the digital television transmitter are disclosed. In the digital television transmitter, a byte-symbol converter converts main and enhanced data packets into symbols, wherein at least one of the enhanced data packets may include data place holders... Agent: Jonathan Y. Kang, Esq. Lee, Hong, Degerman, Kang & Schmadeka, P.C.

20070098108 - Dtv transmitter and method of coding data in dtv transmitter: A DTV transmitter includes a pre-processor pre-processing supplemental data, a multiplexer multiplexing pre-processed data with main data, and a byte-symbol converter converting each data byte of the multiplexed data into a symbol. It further includes a symbol processor processing each supplemental data symbol outputted from the byte-symbol converter. It encodes... Agent: Lee, Hong, Degerman, Kang & Schmadeka

20070098109 - Method and apparatus for discrete power synthesis of multicarrier signals with constant envelope power amplifiers: A power synthesizer is in several (n) discrete stages, each stage having a discrete amplitude, constant envelope amplifier coupled in series with a continuous phase modulator. Each modulator is actuated simultaneously, but not necessarily to modulate the signal phase similarly. For circuit power combining, the modulators are coupled to inputs... Agent: Harrington & Smith, PC

20070098110 - Method and apparatus for forward error correction in a content distribution system: Method and apparatus for encoding transport stream packets is described. In one example, frames of transport stream packets are block coded to produce block coded symbols. The block coded symbols are interleaved for each of the frames using convolutional interleaving to produce interleaved data. The interleaved data is randomized. The... Agent: General Instrument Corporation Dba The Connected Home Solutions Business Of Motorola, Inc.

20070098111 - Frequency offset and method of offsetting: A transmitter digital signal processor (DSP) circuit has a transmit frequency represented by n-bit data output from a look up table (LUT). The n-bit data is outputted to an n-bit accumulator structured to overflow at a rate based on the output n-bit data to output a phase. The circuit further... Agent: Marger Johnson & Mccollom, P.C.

20070098112 - Clock-edge modulated serial link with dc-balance control: A battery powered computing device has a channel configured as a single direct current balanced differential channel. A signal transmitter is connected to the channel. The signal transmitter is configured to apply clock edge modulated signals to the channel, where the clock edge modulated signals include direct current balancing control... Agent: Silicon / Blakely Blakely Sokoloff Taylor & Zafman

20070098113 - Data scan mechanism: Methods and devices for scanning an incoming datastream for a plurality of target patterns. The scanning system receives an incoming data stream and stores the stream as sequential symbols in a register array. Previously received symbols are shifted in the array as incoming symbols are shifted in. A trigger stage... Agent: Cassan Maclean Suite 401

20070098114 - Detection of large carrier offsets using a timing loop: A method and apparatus for the detection and correction of large carrier offsets. A set of known correction carrier offsets are used to translate an input signal having a carrier offset. After applying each correction carrier offset, a state of a timing recovery loop is evaluated. The set of known... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20070098116 - Apparatus for performing initial synchronization and frame synchronization in mobile communications system and method thereof: An apparatus for performing initial synchronization and frame synchronization in a mobile communications system and method thereof are disclosed. First of all, a method and apparatus for performing frame synchronization in a mobile communications system using a correlation value between a received signal and a reference vector for a phase... Agent: Lee, Hong, Degerman, Kang & Schmadeka

20070098115 - Multiframe control channel detection for enhanced dedicated channel: A plurality of decoding metrics for a current frame may be generated based on a correlation set for a current frame and a correlation set for at least one previous frame. Whether a signal is present on a control channel may then be determined based on the generated decoding metrics.... Agent: Harness, Dickey & Pierce, P.L.C

20070098117 - Phase tracking in communications systems: The present invention includes a method of determining a phase estimate for an input signal having pilot symbols. The method includes receiving a plurality of pilot symbols, and then multiplying two or more pilot symbol slots by corresponding correlator coefficients to correct a phase estimate of the input signal.... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20070098118 - Method for automatic gain control (agc) by combining if frequency adjustment with receive path gain adjustment: In a method and system for performing automatic gain control (AGC) in a receiver, an automatic integrated controller (AICTR) device includes a gain controller (GC) to control an amplitude of an input signal provided to the receiver, with the interfering signal and the signal of interest being included in the... Agent: Texas Instruments Incorporated

20070098119 - Adaptive control unit with feedback compensation: An adaptive control unit is described for receiving an analog input signal containing at least an indication of a parameter to be controlled to generate an analog output signal for control of the parameter. The analog input signal contains a fed back component resulting from the analog output signal. The... Agent: Smith, Gambrell & Russell

20070098120 - Apparatus and methods for reducing channel estimation noise in a wireless transceiver: Apparatus and methods for use in a wireless communication system are disclosed for reducing channel estimation noise in a device such as a wireless transceiver. A disclosed apparatus includes a processor that determines a channel activity portion and a noise portion of a channel estimation. The processor also determines a... Agent: Qualcomm Incorporated

20070098121 - Methods and apparatus to provide communication protection technology for satellite earthstations: An interference signal canceling system for communications protection is described for canceling interference signals from earth station received signals using a two input adaptive cancellation network. The present invention addresses terrestrial, co-channel and adjacent satellite interference sources resulting from emitting, isolated, frequency re-use and polarized sources. Main and auxiliary signals... Agent: Honeywell International Inc.

20070098122 - Diversity receiver: A diversity receiver includes N number of Fourier transform circuits, N number of channel estimators, N number of match filters, N number of soft demappers, a combination/selection unit, and a channel decoder. The diversity receiver merges the square of the absolute value of estimate channel frequency response and transmission data... Agent: Birch Stewart Kolasch & Birch

20070098123 - Method for controlling the transfer of signals representative of au group of data: The present invention concerns a method for controlling the transfer of signals representatives of a group of data in a wireless telecommunication network comprising a first telecommunication device linked through plural second telecommunication devices through-the wireless network, the first telecommunication device comprising at least two antennas, at least one of... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070098124 - Pulse wave radar apparatus: A modulated pulse wave requires a pulse width of 1 nsec or less, but it is difficult that a PIN diode, which is conventionally used treats such a modulated pulse wave with narrow pulse width. In order to solve such a problem, it is an object to provide a pulse... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070098126 - Determination of a jitter property of a signal: Determining a jitter property of a signal with a repetitive bit sequence of a plurality of bits includes setting a sample point at a first sampling position relative to a first transition within the bit pattern, assigning a set of digital values to comparison results of the digital signal with... Agent: Perman & Green

20070098125 - Methods and apparatus for determining timing in a wireless communication system: Methods and apparatus for setting timing of sampling of one or more symbols. The disclosed methods account for at least three types of effective interference (EI) and are used to set the timing of a sampling window for sampling received symbols. The methods includes setting timing based on determining an... Agent: Qualcomm Incorporated

20070098127 - Method and apparatus for adjustment of synchronous clock signals: A synchronous clock signal can be adjusted relative to a data signal by decreasing a delay in the synchronous clock signal if a transition of a data signal occurs before a pulse of an offset clock signal which is delayed by one half cycle relative to the synchronous clock signal.... Agent: Foley & Lardner LLP

20070098128 - Test apparatus, clock generator and electronic device: There is provided a clock generator for generating a single-phase clock into which jitter has been injected, having a multi-phase clock generating section for generating a plurality of clock signals having an almost equal phase difference from each other and a jitter injecting section for injecting jitter into the respective... Agent: Smith, Gambrell & Russell

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