Pulse or digital communications inventions 05/07

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

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

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