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Pulse or digital communications December patent applications/inventions, industry category 12/06

20060291536 - Ultra-wideband communication through a wire medium: Methods and apparatus for creating, transmitting and receiving an ultra-wideband signal through wire media are presented. One embodiment of the invention may create, transmit, and receive an ultra-wideband signal that uses radio frequency(s) that are not used by other signals present on wire media within a wire network of interest.... Agent: Pulse-link, Inc.

20060291537 - Time transfer utilizing ultra wideband signals: Time is transferred from an ultra wideband (UWB) transmitter to UWB receiver by transmitting a signal structure having an associated timing reference point together with a time value for the timing reference point. The UWB receiver receives the timing signal structure by synchronizing a receiver time base to the signal... Agent: James Richards

20060291538 - Multi-carrier constant envelope signal scheme for power and bandwidth efficient communications: A technique for combining a plurality of signals to form a multi-carrier constant-envelope composite signal includes generating a constant-amplitude inphase (I) composite signal based on a majority vote of a first set of signals and generating a constant-amplitude quadrature (Q) composite signal based on a separate majority vote of a... Agent: Edell, Shapiro & Finnan, LLC

20060291539 - Transmit signal combining to allow passive recovery in a spread spectrum receiver: A method for transmitting a spreading data signal and an intelligence signal to allow a passive recovery. Before transmission, the spreading data signal and the intelligence signal are filtered by a high-pass filter and a low-pass filter, respectively. The filtered spreading data signal and the intelligence signal are then summed... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20060291540 - Apparatus for processing digital if signals capable of detecting jamming signals: The present invention relates to an apparatus for processing digital signals capable of detecting jamming signals and achieving a technique using a circuit which detects whether an interference signal of a band of the received frequency exists or not. The apparatus operates from a CDMA-2000 base station device using the... Agent: Mcdonnell Boehnen Hulbert & Berghoff LLP

20060291541 - Reception device with data recovery mechanism, adapted to transmission system using a direct spread spectrum sequence: A BPSK type reception device that includes a decoder for decoding a digital input signal, first and second comparators for delivering a decoded data signal and a data capture clock signal also includes a clock generator for generating a replacement clock signal, first and second latches controlled by the replacement... Agent: Hogan & Hartson LLP

20060291542 - Apparatus and methods for sample selection and reuse of rake fingers in spread spectrum systems: An apparatus for reducing storage requirements and for allowing reuse of multiple rake fingers in a spread spectrum system includes a decimation circuit having an associated decimation factor, a memory coupled to the decimation circuit, and an interpolation circuit having an interpolation factor coupled to the memory. The decimation circuit... Agent: Dickstein Shapiro LLP

20060291543 - Method and apparatus for using chip sample correlations in one or more received signal processing operations: A wireless communication receiver obtains improved performance under certain fast fading conditions by basing one or more received signal processing operations on pre-despreading chip sample correlations rather than on post-despreading noise correlations, but preserves soft scaling information by determining one or more scaling factors that relate the chip sample correlations... Agent: Coats & Bennett, PLLC

20060291544 - Feedback of channel information in a closed loop beamforming wireless communication system: A method for feeding back transmitter beamforming information from a receiving wireless communication device to a transmitting wireless communication device includes a receiving wireless communication device receiving a preamble sequence from the transmitting wireless device. The receiving wireless device estimates a channel response based upon the preamble sequence and then... Agent: Garlick Harrison & Markison

20060291545 - Serial protocol for agile sample rate switching: The invention provides a communication protocol and serial interface having an approximately fixed interface clock and capable of accommodating a variety of communication rates. The interface employs a variable-length frame that may be expanded or reduced to obtain a desired communication rate, even though the interface clock rate is held... Agent: Synnestvedt & Lechner LLP-agere

20060291546 - Device and method for enabling communications signals using a medium voltage power line: In one embodiment, a device for enabling communications signals over a medium voltage power line includes a first modem, a second modem, a third modem, and one or more switches. The first modem is electrically coupled to a medium voltage power line and is adapted to receive communications signals from... Agent: Baker Botts L.L.P.

20060291548 - Device and method for measuring jitter: A test device contains a data pattern generator for providing a delta-sigma-modulated data stream sampled with a sampling frequency fs at its output. A phase modulator generates a test clock subjected to jitter and having the clock frequency f1 at its output. The output of the data pattern generator is... Agent: Edell, Shapiro & Finnan, LLC

20060291547 - Device and method for testing signal-receiving sensitivity of an electronic subassembly: A device and a method for testing signal-receiving sensitivity of an electronic subassembly are provided. The device includes a control board and a computer. The control board is connected to the electronic subassembly. The computer is connected to the control board and also connected to the electronic subassembly. Wherein signals... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang Jeffrey T. Knapp

20060291549 - Automatic receiver calibration with noise and fast fourier transform: The present invention provides a method for automatic calibration of a signal path in receivers (e.g., radio frequency receivers) using a noise (and not a specific test signal) as a source and a fast Fourier transform (FFT) of the noise for correcting various parameters related to an inphase/quadrature (I/Q) imbalance... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20060291550 - Method and system for equalizing received signal in communications systems: A communications system comprises a carrier recovery module that determines a carrier frequency offset of an input signal. A rotator module rotates the input signal to minimize the carrier frequency offset and generates a compensated signal. A correlator module correlates the compensated signal with a unique word to obtain a... Agent: Harness, Dickey & Pierce P.L.C

20060291551 - Adaptive equalizer: Some embodiments of the invention include apparatus, systems, and methods to adjust a clock generator and an equalizer to reduce jitter in an output signal. A phase detector provides feedback information on a first feedback loop and a second feedback loop. A clock adjustment circuit uses the feedback information on... Agent: Schwegman, Lundberg, Woessner & Kluth, P.A.

20060291552 - Decision feedback equalizer: In some embodiments, a circuit is provided that comprises a decision feedback equalizer to receive a bit stream signal. The equalizer comprises a summing circuit having a first input to receive a cursor bit sample from the bit stream, a second input to receive a first cursor bit signal, and... Agent: Blakely Sokoloff Taylor & Zafman

20060291553 - Equalizer mode selection based on distribution of symbol error: According to some embodiments, an equalizer receives a signal and generates symbols based on the received signal. Moreover, a controller may be provided to determine a mode of equalizer operation based at least in part on a distribution of error associated with the symbols.... Agent: Buckley, Maschoff, Talwalkar LLC

20060291554 - Image processing apparatus: An image processing apparatus receives a base video stream and an enhancement video stream that contains information for optionally improving a quality of an output stream derived from the base video stream. An adder (126) forms an output stream by adding image information values derived for a location in an... Agent: Philips Intellectual Property & Standards

20060291555 - Mpeg-2 to mpeg-4 convertor: A device converting MPEG-2 format data to MPEG-4 format data at high speeds comprises a processor controlling data input and output of the electronic device, and extracting MPEG-2 format data from input data. The electronic device comprises an MPEG-2 decoder receiving the MPEG-2 format data extracted by the processor and... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20060291556 - Image decoding device, image decoding method, and image decoding program: The present invention is directed to an image decoding apparatus adapted for decoding information obtained by implementing inverse quantization and inverse orthogonal transform to image compressed information in which an input image signal is blocked to implement orthogonal transform thereto on the block basis so that quantization is performed with... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20060291557 - Adaptive reference picture generation: A video encoder and corresponding method are provided for encoding an input picture or image block using a prediction from a reference-only picture, where the encoder includes a picture buffer for storing a previously coded picture, and a reference processing unit in signal communication with the picture buffer for generating... Agent: Thomson Licensing Inc.

20060291558 - Method and arrangements for processing video signals: In accordance with the present disclosure, refresh patterns can be proposed for video data having motion and distortion estimation data for the proposed patterns can be determined based on motion data. An acceptable refresh pattern from the proposed refresh patterns can be selected and utilized. Such a “tailored” pattern that... Agent: Alan L. Carlson

20060291559 - Smooth scanning presenter: Described herein is a technology for the presentation of digital video. One implementation, described herein, smoothly presents variable-speed scanning of a compressed digital video stream—for example, a MPEG video stream. One implementation, described herein, smooth scanning (e.g., fast-forward and fast-rewind) video is produced by selectively displaying certain types of frames... Agent: Lee & Hayes PLLC

20060291560 - Method and apparatus for processing image data: An MPEG decoder (100-180) can use different formats (linear tiled etc) for image data memory (150) for reference pictures when decoding subsequent pictures. Each format brings advantages and disadvantages. The disclosure illustrates that it is possible for different video sequences to have characteristics which match one image buffer format well,... Agent: Philips Intellectual Property & Standards

20060291561 - Motion error detector, motion error compensator comprising the same, and method for detecting and compensating motion error using the motion error compensator: The present invention relates to a motion error detector comprising a motion estimator for dividing a current frame into a plurality of blocks having a predetermined size, and estimating a motion vector of a current block by comparing the current block among the plurality of blocks with a predetermined searching... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.

20060291562 - Video coding method and apparatus using multi-layer based weighted prediction: A method and apparatus for efficiently encoding a plurality of layers using inter-layer information in a multi-layer based video codec are disclosed. The video encoding method includes operations of reading the weighting factors of one layer; performing motion compensation on reference frames for the current frame based on a motion... Agent: Sughrue Mion, PLLC

20060291563 - Interpolation apparatus and method for motion vector compensation: An interpolation method and apparatus for motion vector compensation are provided. The interpolation method includes calculating a horizontal sum of values of a plurality of half-pixels adjacent to or near a predetermined quarter-pixel in the horizontal direction by giving predetermined weights to each of the half-pixels, and adding the results;... Agent: Sughrue Mion, PLLC

20060291564 - Hierarchical coding and decoding method: The method comprising a wavelet-based spatial analysis step comprising filtering operations of the picture at the high resolution format and horizontal and/or vertical decimation operations of the filtered picture to supply subband signals, is wherein a decimation operation is carried out according to a factor different from an even value... Agent: Thomson Licensing Inc.

20060291566 - Context buffer address determination using a plurality of modular indexes: According to some embodiments, context information is accessed for a current image block being processed. The context information may be, for example, associated with a block neighboring the current block, and the accessing may be performed in accordance with an address. At least one of a plurality of modular indexes... Agent: Buckley, Maschoff, Talwalkar LLC

20060291567 - Method and system for coding moving image signals, corresponding computer program product: A moving-image signal, such as typically a luminance signal organized in blocks of pixels is coded via a technique that envisages the steps of: comparing a block to be coded with a plurality of candidate prediction blocks; determining, for each candidate prediction block, a respective value of an index representing... Agent: Graybeal Jackson Haley LLP

20060291568 - Picture processing apparatus, semiconductor integrated circuit, and method for controlling a picture memory: A picture processing apparatus includes a decoder configured to decode encoded data to generate a decoded picture. A picture memory has a plurality of banks each containing a plurality of pages to which row addresses are assigned, and is configured to store the decoded picture. A bank selector is configured... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20060291565 - System and method for performing video block prediction: A system and method for performing video block prediction. Various aspects of the present invention may comprise a first module adapted to receive, during a first time interval, first luma information of previously decoded horizontal luma pixels and calculate a first luma prediction coefficient based on such information. A second... Agent: Mcandrews Held & Malloy, Ltd

20060291569 - Video signal transmission method and video processing system: The present invention is intended to permit both real-time display of a picture represented by a non-compressed video signal on a television and display of a picture represented by a compressed video signal at any desired time by simultaneously transmitting the compressed video signal and non-compressed video signal via one... Agent: Antonelli, Terry, Stout & Kraus, LLP

20060291570 - Information processing apparatus, information processing method and recording medium: Encoding parameters of picture and higher layers of importance to a number of applications, and encoding parameters of slice and lower layers of no importance to all applications are converted into auxiliary packets inserted respectively into a V-blanking area and an H-blanking area of a video-data signal output by a... Agent: Frommer Lawrence & Haug

20060291571 - Encoders for block-circulant ldpc codes: Methods and apparatus to encode message input symbols in accordance with an accumulate-repeat-accumulate code with repetition three or four are disclosed. Block circulant matrices are used. A first method and apparatus make use of the block-circulant structure of the parity check matrix. A second method and apparatus use block-circulant generator... Agent: Allessandro Steinfl, Esq. C/o Ladas & Parry

20060291574 - Communication channel calibration for drift conditions: A method and system provides for execution of calibration cycles from time to time during normal operation of the communication channel. A calibration cycle includes de-coupling the normal data source from the transmitter and supplying a calibration pattern in its place. The calibration pattern is received from the communication link... Agent: Rambus, Inc. C/o Haynes Beffel & Wolfeld LLP

20060291572 - Method and system for a configurable vcc reference and vss reference differential current mode transmitter: A method and system for a configurable Vcc reference and Vss reference differential current mode transmitter is described. The system includes a Vss reference differential current mode driver, a Vcc reference differential current mode driver coupled to the Vss reference current mode driver, and a controller circuit coupled to the... Agent: Blakely Sokoloff Taylor & Zafman

20060291575 - Power line communication system and method: A power line communications system for providing communications for one or more user devices via one or more low voltage power line is provided. In one embodiment the system includes a plurality of first communication devices, each comprising a first modem configured to communicate using a DOCSIS protocol, and a... Agent: Manelli Denison & Selter

20060291573 - Signal interface: The present invention discloses a signal interface to transmit a data signal to a driving circuit. The signal interface comprises a first circuit, a second circuit and a data bus. The first circuit comprises a first register. The second circuit comprises a selector, a second register, a receiver and a... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20060291578 - Method and apparatus for multicarrier channel estimation and synchronization using pilot sequences: Method and apparatus for OFDM synchronization and channel estimation. In a temporal embodiment, received embedded system pilot symbols are inverse Fourier transformed at expected index locations and correlated with computed complex conjugates of inverse Fourier transforms of pilot symbols for providing a correlation function for the channel impulse response. In... Agent: Texas Instruments Incorporated

20060291576 - Method and system for optimal bitloading in communication and data compression systems: This invention provides a method and system for determining the number of bits to assign to a frequency range in a signal. The present invention is capable of bit allocation, with B total bits, among a plurality of N frequency ranges in time a time O(N log N), which is... Agent: Needle & Rosenberg, P.C.

20060291577 - System and method for selecting pilot tone positions in communication systems: A system and method for selecting pilot tone positions in a communication system. In one embodiment, the communication system includes a first base station configured to generate a first pattern of positions of pilot tones and a second base station configured to generate a second pattern of positions of pilot... Agent: Slater & Matsil, L.L.P.

20060291579 - Transmission apparatus and transmission method: A transmission apparatus capable of preventing both degrading of the error rate characteristic and deterioration of throughput caused by repeated retransmissions. In the apparatus, arrangement determination section 103 determines in an initial transmission to perform general constellation mapping, and determines in a retransmission to vary a constellation mapping position or... Agent: Stevens, Davis, Miller & Mosher, LLP

20060291580 - System for performing context-sensitive decisions about ideal communication modalities considering information about channel reliability: A system and method for identifying ideal channels for communications based on an analysis of communication channel reliability, communicating party preferences, and communicating party contexts is provided. The system attempts to optimize the utility of a communication based on inferred or directly accessed channel reliability data, communicating party preferences and... Agent: Amin. Turocy & Calvin, LLP

20060291581 - High data rate closed loop mimo scheme combining transmit diversity and data multiplexing: Closed loop multiple-antenna wireless communications system with antenna weights determined by maximizing a composite channel signal-to-interference-plus-noise ratio minimum. Multiplexed symbol streams over subsets of antennas enhance throughput.... Agent: Texas Instruments Incorporated

20060291582 - Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel inversion: Techniques to process data for transmission over multiple transmission channels. The available transmission channels are segregated into one or more groups, and the channels in each group are selected for use for data transmission. Data for each group is coded and modulated based on a particular coding and modulation scheme... Agent: Qualcomm Incorporated

20060291583 - Programmable transmitter: A programmable transmitter generates a frame in a frame format according to one of a plurality of operating modes using a frame structure table storing a respective frame format for each of the operating modes. The transmitter includes a frame structure engine that receives a mode selection signal indicative of... Agent: Garlick Harrison & Markison

20060291584 - Composite crest factor reduction: Systems and methods are provided for providing a hybrid signal having a reduced crest factor. An analog exciter generates an analog signal having an associated phase. A digital exciter generates a digital signal that assumes one of a plurality of vector states at discrete sampling times associated with the hybrid... Agent: Tarolli, Sundheim, Covell & Tummino L.L.P.

20060291585 - Digital transmitter: An equalizer provided in a digital transmitter compensates for attenuation in a signal channel to a digital receiver. The equalizer generates signal levels as a logical function of bit history to emphasize transition signal levels relative to repeated signal levels. The preferred equalizer includes an FIR transition filter using a... Agent: Hamilton, Brook, Smith & Reynolds, P.C.

20060291586 - Digital transmitter: An equalizer provided in a digital transmitter compensates for attenuation in a signal channel to a digital receiver. The equalizer generates signal levels as a logical function of bit history to emphasize transition signal levels relative to repeated signal levels. The preferred equalizer includes an FIR transition filter using a... Agent: Hamilton, Brook, Smith & Reynolds, P.C.

20060291587 - Digital transmitter: An equalizer provided in a digital transmitter compensates for attenuation in a signal channel to a digital receiver. The equalizer generates signal levels as a logical function of bit history to emphasize transition signal levels relative to repeated signal levels. The preferred equalizer includes an FIR transition filter using a... Agent: Hamilton, Brook, Smith & Reynolds, P.C.

20060291588 - Semiconductor integrated circuit and radio communication apparatus for communication: A semiconductor integrated circuit for communication as a component of a radio communication system of a code multiplex system such as W-CDMA is capable of transmitting a signal without distortion even in an HSDPA mode and reducing current consumption by decreasing current in an amplifier in a normal mode. An... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20060291589 - Method and apparatus for a fully digital quadrature modulator: A novel apparatus and method for a fully digital quadrature architecture for a complex modulator. The complex modulator can substitute for existing prior art analog quadrature modulator structures and those based on a digital polar architecture (r, θ). The modulator effectively operates as a complex digital-to-analog converter where the digital... Agent: Texas Instruments Incorporated

20060291590 - Methods and apparatus to compensate for i/q mismatch in quadrature receivers: Methods and apparatus to compensate for I/Q mismatch in quadrature receivers are disclosed. An example apparatus disclosed herein comprises a correction engine using first filter coefficients to compensate for I/Q mismatch present in a received quadrature signal; an adaptation engine to adapt second filter coefficients based on I/Q mismatch present... Agent: Texas Instruments Incorporated

20060291591 - Estimating bit error probability (bep) in an edge wireless system: Distribution parameter mapping determines the bit error probability (BEP) of a burst transmitted from a base station to the mobile station using a modulation and coding scheme (MCS) specified in the EDGE standard. Depending on whether the multi-bit soft decisions of the burst most resemble a Gaussian or a Rician... Agent: Qualcomm Incorporated

20060291592 - Multi-symbol noncoherent cpm detector: Three receivers are presented for the general case of noncoherent detection of multi-h continuous phase modulation. All three receivers yield performance gains using multi-symbol observations. The first is an existing receiver which has previously been applied to PCM/FM and is now applied to the Advanced Range Telemetry Tier II waveform.... Agent: Tucker, Ellis & West LLP

20060291593 - Decoder and a method for determining a decoding reliability indicator: A decoder for use in a wireless communication device, the decoder comprising a correlator for correlating a received data sequence with a set of codewords such that a correlation value is generated for each correlation, wherein the set of codewords correspond to possible codewords that could be generated from encoding... Agent: Smith-hill And Bedell, P.C.

20060291595 - Communications channel symbol recovery by combining outputs at different decision delays: A method and apparatus for communications channel symbol recovery that improves equalizer performance adds together the log-likelihood ratios (LLRs) of different decision delays rather than using LLRs corresponding only to a single decision delay. A low complexity method comprises, determining an initial coarse delay and a set of fine delays... Agent: Motorola Inc

20060291597 - Digital-signal-processing apparatus and method: Digital-signal-processing apparatus has a ringing-suppression-coefficient-generating device that generates a ringing suppression coefficient according to an amount of ringing occurred at an input signal, and a ringing suppression device that generates a ringing suppression signal based on high-frequency component of the input signal and the ringing suppression coefficient and suppresses the... Agent: Frommer Lawrence & Haug LLP

20060291598 - Method and system for antenna interference cancellation: A wireless communication system can comprise two or more antennas that interfere with one another via free space coupling, surface wave crosstalk, dielectric leakage, or other interference effect. The interference effect can produce an interference signal on one of the antennas. A cancellation device can suppress antenna interference by generating... Agent: King & Spalding LLP

20060291596 - Method of estimating noise and interference covariance matrix, receiver and radio system: The invention relates to a method of estimating a noise and interference covariance matrix and to a receiver. The method comprises: estimating an initial noise and interference covariance matrix on the basis of a received signal; reducing the impact of the background noise of the receiver from the initial noise... Agent: Squire, Sanders & Dempsey L.L.P.

20060291594 - Phase tracking for received signals using adaptive interpolation: Phase trackers (7) for tracking phases of received data are provided with interpolators (20), error detectors (21,22), combiners (25) and indicator generators (26) for generating at least two streams of interpolated samples, for generating error signals per stream, and for generating an indicator signal for adjusting the interpolation, to avoid... Agent: Philips Intellectual Property & Standards

20060291600 - Cascadable diversity receiving system and method thereof: The invention relates to a receiving system and method, and in particular, to a diversity receiving system and method. A diversity receiving system comprises a plurality of cascading receivers for combining a plurality of weighted bit metric streams corresponding to a plurality of radio frequency signals to output a final... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20060291599 - Efficient diversity combining for wideband downlink: A communication system employing site diversity combing to increase link availability includes at least two receivers at receive sites within a single downlink beam separated by enough distance to provide decorrelation of weather phenomena—such as rain fade outages. A signal transmits digital symbols to all the receivers and may use... Agent: Shimokaji & Associates, P.C.

20060291601 - Systems and methods for high-efficiency transmission of information through narrowband channels: Systems and methods for transmitting information at very high data rates through narrowband communication channels are provided. The systems and methods involve modulating a message signal with a novel return-to-zero, abrupt phase modulation technique and filtering the modulated signal with a sophisticated high-precision digital filter. The digital filter is designed... Agent: Dorsey & Whitney LLP

20060291602 - Communications link clock recovery: Apparatus and systems, as well as methods and articles, may operate to receive a data signal from a transmitter at a selected channel included in a plurality of receiver channels, derive clock frequency deviation information from the data signal, receive an operational mode indication, and communicate the clock frequency deviation... Agent: Schwegman, Lundberg, Woessner & Kluth, P.A.

20060291603 - Apparatus for generating tracking signal: A tracking signal generating apparatus includes a phase detector and a digital phase controller. The phase detector generates an up signal and a down signal which contain information regarding a phase difference between a plurality of square wave signals that have been generated from an optical signal. The digital phase... Agent: Harness, Dickey & Pierce, P.L.C

20060291604 - Pll noise smoothing using dual-modulus interleaving: The present invention, generally speaking, achieves noise spreading within a PLL using a dual-modulus prescaler by interleaving the division moduli. Within a given cycle, “ones” and “tens” are not all counted consecutively. Instead, ones and tens are interleaved. In one embodiment of the invention, the R count is doubled and... Agent: Thelen Reid & Priest, LLP

20060285577 - Mapping radio-frequency noise in an ultra-wideband communication system: A system and method for mapping. radio-frequency (RF) noise, and estimating channel quality in a multi-channel ultra-wideband communication system is provided. One method includes placing a plurality of time bins within a plurality of time frames and assigning a plurality of UWB communication channels comprising selected time bins. RF noise... Agent: Pulse-link, Inc.

20060285578 - Robust non-coherent receiver for pam-ppm signals: A robust method and system for communicating via ultra-wideband (UWB) radio transmission signals over multi-path channels with a very broad range of delay spread. The system includes an optimized non-coherent receiver structure of low complexity and potentially very low power consumption, while offering robust error rate performance for a wide... Agent: Ido Tuchman Suite 503

20060285579 - Communicating over a wireless network: A first device communicates with a wireless network that includes nodes that are active for predefined activation times and that are at least partially dormant when not active. The communication method includes identifying a start of communication via a message that exceeds a maximum activation time of nodes on the... Agent: Fish & Richardson PC

20060285580 - Combined detection of transmission parameters and spreading factor in cdma communication system: A solution for determining in a radio receiver a data sequence indicating transmission parameters and a spreading factor applied to a frame before receiving the whole frame in the radio receiver. According to the provided solution, the transmission parameters and the spreading factor are determined from received data of a... Agent: Squire, Sanders & Dempsey L.L.P.

20060285581 - System and method for acquisition of signals: A system for processing a received signal having at least one code applied thereto, said received signal having a frequency, said system comprising: first correlator circuitry arranged to correlate the received signal with a first code to provide an output; second correlator circuitry arranged to correlate the received signal with... Agent: Docket Clerk

20060285582 - Transmission device and gain control method: An apparatus that can lower the possibility of failing reception modulation in communication where data is transmitted with and without directivity and prevent deterioration of transmission efficiency caused by retransmission. With this apparatus, a gain control signal multiplex section (203) time division multiplexes a directional transmission signal and a gain... Agent: Stevens, Davis, Miller & Mosher, LLP

20060285584 - Jitter generator to simulate a closed data eye: Techniques and apparatus for testing jitter tolerance of a device are provided. Jitter control logic within a device may include a master phase rotator to rapidly adjust the phase of a clock signal to simulate jitter in a data stream received by the device. For some embodiments, the rate, magnitude,... Agent: Ibm Corporation, Intellectual Property Law Dept 917, Bldg. 006-1

20060285583 - Phase rotator control test scheme: Techniques and apparatus for testing phase rotators for detecting defective tap weights are provided. Phase rotator test logic may include a master phase rotator to cycle the phase of a clock signal distributed to operational phase rotators through an entire cycle of phases (e.g., an entire 360 degree rotation). Each... Agent: Ibm Corporation, Intellectual Property Law Dept 917, Bldg. 006-1

20060285585 - Method and apparatus for optimum selection of mimo and interference cancellation: Systems and methodologies are described that facilitate performing interference nulling and rank prediction in an access terminal. Multiple receiver demodulator types may be implemented at the access terminal, and an interference covariance matrix may be estimated thereat. SNRs may be calculated for the various receiver demodulator types, and an optimum... Agent: Qualcomm Incorporated

20060285586 - Methods and systems for achieving transition effects with mpeg-encoded picture content: Methods and systems of using a single MPEG frame to produce a fade effect that extends over more than one frame period. An example system includes a computer-based device that includes a receiver that receives an MPEG formatted image from a source system over a network, a component that modifies... Agent: Black Lowe & Graham, PLLC

20060285588 - Video encoder and encoding method with updateable quantization table: A video encoder having an updateable quantization table for compressing a video information is proposed. The features are: the video encoder has a RAM to store the quantization table; the quantization table can be updated according to the special environments or user demands to change the choice standard of quantization.... Agent: Anthony R. Barkume

20060285592 - Motion picture encoder, motion picture decoder, and method for generating encoded stream: The present invention restricts the arrangement of parameter sets to enable a stream to be easily decoded on the basis of random accesses. In a stream including a plurality of first units each containing unit identification information and image compressed data as well as a reference target unit information, and... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20060285591 - Moving picture coding method and a moving picture decoding method: A moving picture coding apparatus includes a motion estimation unit (101) for performing motion estimation by fixing the one of two reference pictures as a reference picture indicated by an inputted default reference picture number DefRefNo and a variable length coding unit (107) for performing variable length coding on coded... Agent: Wenderoth, Lind & Ponack, L.L.P.

20060285590 - Nonlinear, prediction filter for hybrid video compression: A method and apparatus for non-linear prediction filtering are disclosed. In one embodiment, the method comprises performing motion compensation to generate a motion compensated prediction using a block from a previously coded frame, performing non-linear filtering on the motion compensated prediction in the transform domain with a non-linear filter as... Agent: Blakely Sokoloff Taylor & Zafman

20060285589 - Video coding: A method of encoding a video signal representing a sequence of pictures, the method comprising encoding a first picture (or segment of a picture) of the sequence without reference to another picture of the sequence to produce a picture (I0) and encoding said first picture (or segment of a picture)... Agent: Foley & Lardner LLP

20060285595 - Intermediate vector interpolation method and three-dimensional (3d) display apparatus performing the method: A method of generating an intermediate image between a first frame and a second frame, using the first frame and a third frame successively received from a first camera and the second frame and a fourth frame successively received from a second camera. The intermediate image generating method includes: calculating... Agent: Sughrue Mion, PLLC

20060285594 - Motion estimation and inter-mode prediction: An inter-mode for encoding a video macroblock is selected based on a comparison of at least two rate-distortion values associated with inter-modes. The number of potential inter-modes for encoding the video macroblock is initially reduced based on the rate-distortion calculation of the SKIP mode between the current macroblock and the... Agent: Epson Research And Development Inc Intellectual Property Dept

20060285596 - Motion-vector detecting device, motion-vector detecting method, and computer program: A device and method that serve to generate an accurate evaluation-value table and to detect a correct motion vector are provided. A weight coefficient W is calculated on the basis of correlation information of a representative-point pixel and flag-correlation information based on flag data corresponding to pixel-value difference data between... Agent: Bell, Boyd & Lloyd, LLC

20060285593 - System for increasing the speed of a sum-of-absolute-differences operation: An adaptation of the sum-of-absolute-differences (SAD) calculation is implemented by modifying existing circuitry in a microprocessor. The adaptation yields a reduction of over 30% for a current SAD calculation. The adaptation includes a first and second operand register, each storing respectively a first and second set of 2's complement binary... Agent: Schneck & Schneck

20060285597 - Reusing interpolated values in advanced video encoders: The fact that fractional-pixel points that are searched are close to each other, and hence the half-pixel and quarter-pixel interpolation of each point involves computing interpolations that have already been computed, may be exploited. This is accomplished by storing the interpolated values of the first point and reusing them when... Agent: Robert E. Krebs Thelen Reid & Priest LLP

20060285598 - Apparatuses, computer program product and method for digital image quality improvement: Apparatuses, a computer program product and a method for digital image quality improvement. A digital image quality improvement unit includes an input interface to obtain edge pixels of a pixel domain target block and edge pixels of pixel domain blocks adjacent to the pixel domain target block; a processing unit... Agent: Young & Thompson

20060285587 - Image processing of dct-based video sequences in compressed domain: This invention relates to a method for applying at least one of contrast adjustment and brightness adjustment to a compressed, motion compensated DCT-based video sequence corresponding to an image processing operation, comprising the steps of providing the compressed, motion compensated DCT-based video sequence, applying the image processing operation on the... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20060285602 - Method of transmitting/receiving ofdm signal and mobile communication terminal thereof: A method of transmitting/receiving an OFDM signal and mobile communication terminal thereof are disclosed, by which high PAPR (peak to average power ratio) can be efficiently reduced in an OFDM transmission system. The present invention includes the steps of converting a bit stream data signal to parallel from serial, block-coding... Agent: Birch Stewart Kolasch & Birch

20060285600 - Ofdm channel estimator: The channel estimation technique employs a set of pilot tones to determine channel state information. Because some of the pilot tones contained in the OFDM symbols may be missing after transmission, the disclosed technique employs a set of known pilot tones to compute an estimate of the channel impulse response,... Agent: Motorola, Inc.

20060285601 - Ofdma control channel interlacing: Apparatus and methods for interlacing communications in random access control channels of an Orthogonal Frequency Division Multiple Access (OFDMA) wireless communication system are described. A wireless communication device communicating over distinct OFDMA control channels to multiple serving sectors may operate under link limited conditions. The wireless communication device can interlace... Agent: Qualcomm Incorporated

20060285599 - Receiver for orthogonal frequency division multiplexing transmission: Channel estimation values of pilot symbols for channel compensation of data symbols in an OFDM receiver can be used, even in cases where FFT extract position differs for each frame. The OFDM receiver is characterized in having a circuit which calculates the amount of phase rotation that is generated by... Agent: Edward A. Pennington Bingham Mccutchen LLP

20060285603 - Method and apparatus for performing channel compensation and symbol demodulation for coherent demodulation in an ofdm system: A method and apparatus for performing channel compensation and symbol demodulation using an estimated channel impulse response during coherent demodulation of a received Orthogonal Frequency Division Multiplexing (OFDM) signal are provided. In the apparatus, an FFT processor IFFT-processes a received signal. A channel compensator generates a channel-compensated signal by multiplying... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.

20060285605 - Coding and modulation for multiple data streams in a communication system: Techniques for transmitting multiple data streams to a single receiver using a single code rate and different modulation schemes are described. Channel estimates are determined for the multiple data streams and used to select a single code rate and multiple modulation schemes for the multiple data streams. The system may... Agent: Qualcomm Incorporated

20060285606 - Quantized power control in multiple antenna communication system: A power control design for multiple antenna communication systems is herein disclosed which uses an optimized quantized feedback link between the receiver and the transmitter.... Agent: Nec Laboratories America, Inc.

20060285604 - Wireless communication network with extended coverage range: A wireless communication network supports 802.11b/g and a range extension mode, which supports at least one data rate lower than the lowest data rate in 802.11b/g. A transmitting station (which may be an access point or a user terminal) includes first and second processors. The first processor performs differential modulation... Agent: Qualcomm Incorporated

20060285607 - High availability narrowband channel for bandwidth efficient modulation applications: A communication system includes a transmitter that transmits both wideband data and narrowband data on a link and a receiver that receives the wideband data and the narrowband data on the link. The receiver demultiplexes the wideband data and the narrowband data into separate data streams so that the link... Agent: Shimokaji & Associates, P.C.

20060285608 - Digital broadcasting transmission and reception devices and methods thereof: Digital broadcasting transmission and reception devices and methods thereof are provided. The digital broadcasting transmission device includes a randomizer which randomizes a dual transport stream including a normal stream and a robust stream, a supplementary reference signal inserter which inserts a certain supplementary reference signal into a stuffing region included... Agent: Sughrue Mion, PLLC

20060285610 - Data sequence detection in communication system: A solution for determining in a radio receiver a data sequence indicating transmission parameters of a frame before receiving the whole frame in the radio receiver in order to speed up processing of the data in the frame. According to the provided solution data is received in one or more... Agent: Squire, Sanders & Dempsey L.L.P.

20060285611 - Method and radio receiver for increasing number of symbols used as pilot symbols in communication system: A solution for determining in a radio receiver a data sequence indicating transmission parameters of a frame before the whole frame has been received in the radio receiver in order to obtain additional pilot symbols. According to the provided solution data is received in one or more time intervals, the... Agent: Squire, Sanders & Dempsey L.L.P.

20060285609 - Method for improving multipath mitigator low path separation error behavior: In signal transmission ranging systems such as GPS, radar, and the like, accuracy of the ranging information most generally is effected by the presence of multiple paths of signal transmission, i.e., multipath. Optimal methods for estimating signal delay are signal model dependent. Signal models are most ambiguous with secondary path... Agent: Benjamin Fisher

20060285612 - Using soft bit decisions to improve dpsk demodulation of sps data: According to one embodiment, a demodulation system, such as DPSK in a SPS system can be used with soft decision information to correct bit errors. Soft decision information values are utilized to switch hard decision bits of the differentially decoded signal. A parity check can be used to determine if... Agent: Qualcomm Incorporated

20060285613 - Cash dispensing automated banking machine and method: An automated banking machine (10) includes at least one of sheet dispensing mechanisms (34, 36, 38, 40, 210). Each sheet dispensing mechanism includes a picking member (72, 212). The picking member rotates, and with each rotation generally causes an end note to be picked from a stack (42, 264) of... Agent: Ralph E. Jocke Walker & Jocke Lpa

20060285614 - Method and apparatus for tracking invalid signals through a digital system: A method, apparatus and system that tracks distorted signals in a digital system is disclosed. The method may include receiving an input signal having a first input value when a distorted signal is input to the digital system and has a second input value when a non-distorted signal is input... Agent: Isaacson, Irving, Stelacone & Prass, LLC

20060285615 - Sinusoidal carrier synthesis apparatus and method: A substantially pure sinusoidal carrier is produced by a digital-to-analog converter that repeatedly converts a sequence of N digital values provided by a digital sequencer to a stream of quantized analog samples. In certain embodiments, the N digital values comprise a time-domain function selected to substantially eliminate all odd harmonics... Agent: Utah Valley Patent Services, LLC

20060285616 - Method and apparatus for correcting symbol timing: The present invention provides a method and apparatus for correcting symbol timing of a receiver. The receiver receives a signal transmitted by a transmitter based on a symbol period. The method includes: sampling the signal with a sampling period to generate N sampled data in series, wherein the sampling period... Agent: North America Intellectual Property Corporation

20060285617 - Precise synchronization of distributed systems: A method for synchronizing a plurality of sub-systems, comprising the steps of measuring a relationship between a divider associated with each of the plurality of sub-systems; and adjusting a phase of one or more of the dividers to a known relationship with one of the dividers. A command is issued... Agent: Frommer Lawrence & Haug

20060285618 - Adaptive phase recovery: In some embodiments, an adaptive phase recovery system is provided that involves monitoring a phase error polarity in a phase recovery system, and increasing its bandwidth when the phase error polarity fails to change within a specified limit. Other embodiments are described and/or otherwise claimed herein.... Agent: Blakely Sokoloff Taylor & Zafman

20060285619 - Digital control oscillator: A digital control oscillator includes a reference signal generation circuit for generating a first reference signal of a first signal level, and a second reference signal of a second signal level, a conversion circuit for referring to the first and the second reference signals, and converting a digital signal being... Agent: Mcginn Intellectual Property Law Group, PLLC

20060285620 - Signal filter assembly with impedancd-adjusting characteristic: Disclosed is a signal filter assembly, which includes a circuit board electrically connected between a cable and a high frequency electric connector, and a plurality of filters installed in the circuit board and respectively electrically connected to the signal wires of the transmission wires of the cable, each filter being... Agent: Sure-fire Electrical Corporation

20060280226 - Base station synchronization using multi-communication mode user equipment: A method for time synchronizing base stations in an asynchronous cellular communication system via multi-communications mode user equipment is described. The method includes receiving time-of-day in a synchronous cellular communication signal with the user equipment operable in a synchronous cellular communications mode. Alternatively, time-of-day is received from a non-cellular system... Agent: Qualcomm Incorporated

20060280227 - Wireless communication system: An apparatus to facilitate wireless communication where one side of the link is designed for ultra-low power consumption. The apparatus comprises two types of transceivers: a full function transceiver (called the “Controller”) and a reduced function transceiver (called the “Terminal”), which are normally connected in a “star” network configuration (i.e.... Agent: Christensen, O'connor, Johnson, Kindness, PLLC

20060280228 - Data transmission using repeated sets of spreading sequences: Data transmission process using repetitive sets of spreading sequences, and corresponding transmitter and receiver. According to the invention, spectrum spreading is done on symbol packets using sets of pseudo-random sequences used repetitively. This thus reduces interference between symbols. Application to digital communications by spectrum spreading.... Agent: Berkeley Law & Technology Group

20060280229 - Space code block coding and spreading apparatus and method for transmission diversity and cdma diversity transmitter and cdma mobile station receiver using the same: Provided are a space code block coding and spreading apparatus and method for transmission diversity, a Code Division Multiple Access (CDMA) diversity transmitter using it, and a CDMA mobile station receiver for receiving a transmission diversity signal, which are capable of improving the performance of system in wireless channel environments... Agent: Ladas & Parry LLP

20060280230 - Wireless communications system with secondary synchronization code based on values in primary synchronization code: A wireless communication system. The system comprises transmitter circuitry (BST1), the transmitter circuitry comprising encoder circuitry (50) for transmitting a plurality of frames (FR). Each of the plurality of frames comprises a primary synchronization code (PCS) and a secondary synchronization code (SSC). The encoder circuitry comprises of circuitry (501) for... Agent: Texas Instruments Incorporated

20060280231 - Spread spectrum applications of universal frequency translation: Frequency translation and spread spectrum applications of same are described herein. Such applications include, but are not limited to, unified down-conversion and de-spreading, unified up-conversion and spreading, RAKE receivers utilizing unified down-conversion and de-spreading, and Early/Late receivers utilizing unified down-conversion and de-spreading, and combinations and applications of same. Additionally, applications... Agent: Sterne, Kessler, Goldstein & Fox PLLC

20060280232 - Reception device and reception method: At noise component addition section 105, a noise equivalent value equivalent in size to noise component is calculated using a constant which is dependent on a difference of spreading factors between a common pilot channel and packet channels, and at correlation matrix and correlation vector calculation section 106, the noise... Agent: Stevens, Davis, Miller & Mosher, LLP

20060280233 - Gps receiver: A GPS receiver which performs correlation processing by using replicas of C/A codes generated in the GPS receiver after a GPS signal received from a GPS satellite is subjected to accumulating processing, wherein in the accumulating processing, a plurality of signals for integrating generated in the GPS receiver by predicting... Agent: GlobalIPCounselors, LLP

20060280234 - Single amplifier presample processing circuitry: An device and method for a pre-sampling processing is disclosed. The pre-sampling device includes a single amplifier having a virtual ground node, and a feed back circuit connected from an output of the amplifier to the virtual ground node. The feed back circuit includes a plurality of switches connected to... Agent: Brian Short - Teranetics Patent Dept

20060280237 - Dsl system loading and ordering: Loading and ordering techniques are provided for one-sided and two-sided vectored line groups, as well as loading methodologies that also can be used on a single line, in communication systems such as DSL binders. For single-user lines, bits and energy are optimally allocated for a given set of parameters, which... Agent: Sylke Law Offices, LLC

20060280235 - User-preference-based dsl system: Methods, apparatus and computer program products allow a user of DSL or the like to implement user preferences to the extent feasible in light of operational limits and conditions. In some embodiments, an operational profile is imposed on the user. User preference data is evaluated to determine the extent to... Agent: Sylke Law Offices, LLC

20060280236 - User-preference-based dsl system: Operator-controlled implementations of user preferences are provided when feasible. User preference data is obtained by the operator and compared to operational characteristics and parameters of a communication system, such as a DSL system, to determine whether one or more of the user preferences can be implemented in the communication system.... Agent: Sylke Law Offices, LLC

20060280238 - Vectored dsl nesting: Methods, apparatus, systems and computer program products address one-sided vectoring systems that include a bonded-line set having two or more bonded DSL lines within a vectored group wherein other techniques such as precoding, tonal predictive GDFEs, tonal rotors and ordering techniques can be implemented. The performance of lines within a... Agent: Sylke Law Offices, LLC

20060280239 - Signal shaping circuit: A signal shaping circuit for shaping a test signal to be provided to a device under test includes a first signal path with a first transmission behavior and adapted to receive an input signal, and at least one second signal path with a second transmission behavior and adapted to receive... Agent: Perman & Green

20060280240 - Information read device and read signal processing circuit: An optical disk read signal processing system for Blu-ray disc systems to ensure stable phase-locked locked operation even with a low signal-to-noise ratio. This system changes a loop configuration of a phase lock loop circuit according to the operating state, and utilizes a FIR equalizer for phase detection. This system... Agent: Antonelli, Terry, Stout & Kraus, LLP

20060280241 - Uncompressed to compressed digital file converter device for use with compressed digital file storage and playback devices: A compressed digital signal converter device. The converter is a device that converts an analog or digital source signal to a compressed digital signal. It preferably includes memory for storing the compressed digital signal for transferring it to a compressed digital file storage device, such as a MP3 or a... Agent: Christie, Parker & Hale, LLP

20060280243 - Image coding apparatus and image coding program: The present invention provides an image coding apparatus and an image coding program that execute quantization control so that a generating bit is made close to a target bit. The image coding apparatus according to the present invention includes a generated bit measurement unit, a target bit setting unit, a... Agent: Antonelli, Terry, Stout & Kraus, LLP

20060280242 - System and method for providing one-pass rate control for encoders: A one-pass rate controller for compressed video encoders that can be configured to comply with buffering schemes specified in video-coding standards. A plurality of RD-models with different window sizes are used to estimate the quantization parameters for constant quality and constant rate scenarios for that particular window. A buffer regulator... Agent: Foley & Lardner LLP

20060280244 - Moving picture converting apparatus and method, and computer program: It is intended to restore moving-picture data whose pixels have been thinned rapidly with a small-capacity memory and with prevention of image deterioration. There is provided a moving picture converting apparatus for reconstructing an original moving picture from compressed moving-picture data, which includes an input unit to receive compressed moving-picture... Agent: Rader Fishman & Grauer PLLC

20060280245 - Mpeg video storage address generation apparatuses and methods for uniformly fetching and storing video data: A method and apparatus is provided for generating various binary addresses for use in decoding MPEG video data. One or more n-bit counters and mutiplexers are used to generate such binary addresses. Different binary addresses can be generated by the same n-bit counter by swapping the bits of the n-bit... Agent: Perkins Coie LLP

20060280246 - Digital watermarking and fingerprinting including synchronization, layering, version control, and compressed embedding: This disclosure describes several video watermarking and fingerprinting enhancements. These enhancements include synchronizing watermark detectors with one-dimensional calibration signals, layering digital watermarks, watermarks for version control, compressed domain watermarking, watermarking of video object layers, key channel watermark embedding for video, robust fingerprinting of video and watermarking of scalable video.... Agent: Digimarc Corporation

20060280248 - Fast motion estimation apparatus and method using block matching algorithm: A fast motion estimation apparatus and method in which motion estimation is carried out on a current block of a current frame of video image data with reference to a corresponding matching block of a previous frame are provided. The fast motion estimation apparatus includes: a determination unit which determines... Agent: Ladas & Parry LLP

20060280252 - Method and apparatus for encoding video signal with improved compression efficiency using model switching in motion estimation of sub-pixel: An encoding method and an encoding apparatus for increasing compression efficiency using model switching in motion estimation of a sub-pixel are provided. The encoding method includes obtaining a motion vector of a pixel existing on a block, generating a plurality of motion estimation models using a value of the motion... Agent: Sughrue Mion, PLLC

20060280249 - Method and system for estimating motion and compensating for perceived motion blur in digital video: A method for compensating for perceived blur due to motion between a current frame and a previous frame of a digital video sequence comprises estimating a motion vector between the frames for each of a plurality of pixel blocks in the current and previous frames. A cluster motion vector is... Agent: Epson Research And Development Inc Intellectual Property Dept

20060280251 - Motion vector computing method: A motion vector computing method is applied to a video frame, which includes at least one video package having a plurality of blocks. The method includes the steps of: selecting a target block from the blocks; determining whether a first reference block, a second reference block and a third reference... Agent: Birch Stewart Kolasch & Birch

20060280250 - Moving picture converting apparatus and method, and computer program: A restored image is reconstructed from a thinned image to which no motion vector is incident. There is provided a moving picture converting apparatus for restoring a string of thinned images resulted from thinning pixels of an original-image string, which includes an input unit to receive the thinned-image string, an... Agent: Rader Fishman & Grauer PLLC

20060280253 - Timestamp-independent motion vector prediction for predictive (p) and bidirectionally predictive (b) pictures: Methods and apparatuses are provided for achieving improved video coding efficiency through the use of Motion Vector Predictors (MVPs) for the encoding or decoding of motion parameters within the calculation of the motion information in B pictures and/or P pictures. Certain exemplary methods and apparatuses selectively apply temporal and/or spatial... Agent: Lee & Hayes PLLC

20060280247 - Video conversion methods for frame rate reduction and storage medium therefor: A video conversion method for frame rate reduction. Video data comprising at least one I-frame and a plurality of B- and P-frames is provided. The B- and P-frames are converted to P-frames using a first image processing method, thereby leaving the I-frame and a plurality of P-frames. A frame rate... Agent: Birch Stewart Kolasch & Birch

20060280254 - In-place transformations with applications to encoding and decoding various classes of codes: In an encoder for encoding symbols of data using a computing device having memory constraints, a method of performing a transformation comprising loading a source block into memory of the computing device, performing an intermediate transformation of less than all of the source block, then replacing a part of the... Agent: Townsend And Townsend And Crew, LLP

20060280256 - Method, apparatus, and system for transmitting and receiving information of an uncoded channel in an orthogonal frequency division multiplexing system: A method, apparatus and system for efficiently transmitting and receiving channels are provided in a wireless communication system based on Orthogonal Frequency Division Multiplexing (OFDM). A multiplexing scheme differs according to a channel when a transmitter transmits a packet data channel, a common control channel and a control channel designated... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.

20060280255 - System, and associated method, for utilizing block blast with ppic in a mimo multicode mc-cdma system: A method for reducing interference in a MIMO MultiCode MC-CDMA system is disclosed wherein a BLAST algorithm is implemented over one block of correlation reception data yi and estimation channel values H of the correlation reception data yi to generate a group of temporary decision symbols C . One symbol,... Agent: Squire, Sanders & Dempsey L.L.P.

20060280257 - Method and apparatus for generating weights for transmit diversity in wireless communication: Techniques for generating weights that can provide good performance for transmit diversity are described. A receiver obtains symbols for a data transmission sent from multiple transmit antennas to at least one receive antenna. The receiver also derives channel estimates for a communication channel between the transmit antennas and the receive... Agent: Qualcomm Incorporated

20060280258 - Modulator and method for producing a modulated signal: A modulator including a direct modulation synthesizer circuit, a reference frequency oscillator for providing an input reference signal to the direct modulation synthesizer circuit for locking a carrier frequency to a stable frequency and a pre-emphasis unit for receiving data bits and for producing a modulating signal for direct modulation... Agent: Pearl Cohen Zedek, LLP

20060280259 - Digital transmitter with data stream transformation circuitry: A transmitter with data stream transformation circuitry is described. The transmitter has a first driver and a second driver. Each driver has an output for a respective analog signal. A summation circuit combines respective analog signals from the first driver and the second driver. A data selection circuit processes at... Agent: Morgan Lewis & Bockius LLP/rambus Inc.

20060280260 - Digital transmitter: An equalizer provided in a digital transmitter compensates for attenuation in a signal channel to a digital receiver. The equalizer generates signal levels as a logical function of bit history to emphasize transition signal levels relative to repeated signal levels. The preferred equalizer includes an FIR transition filter using a... Agent: Hamilton, Brook, Smith & Reynolds, P.C.

20060280261 - System and method for controlling power output from a power amplifier: Systems and methods for controlling output power from a power amplifier include a power amplifier configured to generate a power output signal. An output matching circuit is in communication with the power amplifier and is configured to provide an impedance match between the power amplifier and the load. The output... Agent: Brian C. Oakes Tyco Electronics Corporation

20060280262 - Transmit spatial diversity for cellular single frequency networks: Multiple-In Multiple-Out (MIMO) techniques are used to increase spectral efficiency of a cellular single frequency network. In some embodiments with single transmit antenna per cell, multiple data streams are transmitted from multiple cells, one data stream per set of transmit antennae. The mapping of streams to antenna sets is permuted... Agent: Qualcomm Incorporated

20060280263 - Apparatus and method for processing input signals corresponding to the same signal source at different timings: A receiving apparatus includes a receiving module and a processing module. The receiving module is used for receiving a plurality of received signals and selecting the received signals to generate a plurality of input signals. The processing module is used for processing the input signals to generate an output signal.... Agent: North America Intellectual Property Corporation

20060280264 - Variable signal delaying circuit, quadrature frequency converter and radio frequency tuner: A variable signal delaying circuit comprising an analog delay line having a control input for controlling the variable delay. A phase detector compares the input and output signals of the delaying circuit and supplies an output signal to a charge pump and integrator. A pulse stream generating arrangement produces pulse... Agent: Patterson & Sheridan, L.L.P.

20060280266 - Optimum training sequences for wireless systems: In various embodiments, techniques are provided to determine channel characteristics of various communication systems such as OFDM systems or systems using a plurality of transmit antennas by using various sets of training symbols that produce zero cross-correlation energy. Channel communication can accordingly be simplified as the zero cross-correlation property allows... Agent: At&t Corp.

20060280265 - Wireless communication method and apparatus for performing post-detection constellation correction: A method and apparatus for correcting the phase and gain of data associated with a constellation pattern of a plurality of received individual symbols. Each symbol is divided into real and imaginary symbol components. The signs of the real and imaginary symbol components of each symbol are determined and used... Agent: Volpe And Koenig, P.C. Dept. Icc

20060280267 - Automatic gain control 16-ary quadrature amplitude modulation subsystem: An improved AGC subsystem for preferred use in quadrature amplitude modulation receivers offers improved automatic gain control of received signals in fading channels by generating an error signal only from constellation signal points having large signal-to-noise ratios for increase the signal-to-noise ratio of the gain control error signal for lowering... Agent: Carole A. Mulchinski, M1/040 The Aerospace Corporation

20060280268 - Dc offset correction for constant envelope signals: Methods (1500) and corresponding systems (400, 500) for determining and correcting a DC offset in a receiver operate to sample (1503) a signal to provide complex samples; estimate (1505) a Direct Current (DC) offset corresponding to each of the complex samples, the estimating the DC offset further including solving a... Agent: Law Office Of Charles W. Bethards, LLP

20060280269 - Method for designing video and image scaler based on 2-d finite impulse response filter: The present invention is to provide a method for designing a video and image scaler based on 2-D Finite Impulse Response (FIR) filter. First, a 2-D video/image source is sampled with sampling rate higher than Nyquist rate to obtain 2-D samples; second, zeros are padded in between the 2-D samples... Agent: Bacon & Thomas, PLLC

20060280270 - Method and system for fm communication: Aspects of a method and system for FM communication are provided. An FM transceiver may generate FM radio frequency signals for transmission by modulating a single PLL within the FM transceiver via at least one modulation point with a frequency modulated multiplexed audio signal. The single PLL may also generate... Agent: Mcandrews Held & Malloy, Ltd

20060280272 - Data-level clock recovery: A circuit for adjusting the phase of a clock signal. A first sampling circuit generates a sequence of data samples in response to transitions of the clock signal, each of the data samples having either a first state or a second state according to whether an incoming signal exceeds a... Agent: Shemwell Mahamedi LLP

20060280271 - Sampling rate conversion apparatus, encoding apparatus decoding apparatus and methods thereof: A coding apparatus capable of reducing a circuit scale and also reducing the amount of coding processing calculation is disclosed. In this apparatus, frequency domain conversion section (103) performs a frequency analysis of the signal sampled at a sampling rate Fx with an analysis length of 2·Na and calculates first... Agent: Stevens, Davis, Miller & Mosher, LLP

20060280273 - Initial synchronization for receivers: The present invention relates to a method and apparatus for synchronizing a receiver to a timing and carrier frequency of a communication system. A set of predetermined possible synchronization patterns is detected in a signal (r[k]) received by said receiver, and a timing and structure information (FT) is generated specifying... Agent: Philips Intellectual Property & Standards

20060280274 - Receiving apparatus, data transmission system and receiving method: A receiving apparatus receives data sequences, each of which includes plural data blocks, from plural transmission lines, respectively. The apparatus includes plural elastic buffers and a deskew circuit. The corresponding data sequence is written into each elastic buffer. A predetermined number of consecutive timing control symbols are inserted into the... Agent: Dla Piper Rudnick Gray Cary Us, LLP

20060280275 - Rational number frequency multiplier circuit and method for generated rational number frequency: A rational number frequency multiplier circuit and a method for generating rational number multiple frequency are disclosed. The circuit receives a plurality of input signals having the same frequency and different phase, and outputs at least one multiple frequency signal. The rational number frequency multiplier circuit includes a frequency divider... Agent: Jianq Chyun Intellectual Property Office

20060280276 - Digital lock detector for phase-locked loop: A digital lock detector for a phase-locked loop. The PLL generates a feedback clock according to a reference clock. The digital lock detector includes a match detector and an arbiter. When a first clock transitions, the match detector checks that whether a second clock transitions in a predetermined time window... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20060280277 - Pll circuit and semiconductor device provided with pll circuit: Disclosed is a PLL circuit of a small circuit size capable of generating clock including a jitter component with ease. A phase comparator 11 compares the phase of an input reference clock signal CKR to the phase of a signal fed back from a frequency divider 14 to route an... Agent: Mcginn Intellectual Property Law Group, PLLC

20060274816 - Spread spectrum signal demodulating method and apparatus: A spread spectrum signal demodulating method whereby spread-code synchronous acquisition and carrier synchronous acquisition are performed using FFT at high speed, wherein a received signal, of which the carrier wave is modulated with a signal obtained by spectrum-spreading data with a spread code, is subjected to the FFT and the... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20060274815 - System and method for selecting a strongest signal across clock domains in an ultra wideband receiver: A system and method for determining a strongest of a radio signal received on at least two signal paths in an Ultra Wideband (UWB) receiver includes determining a signal metric associated with the radio signal in a first signal path and a second signal path and establishing a candidate for... Agent: Posz Law Group, PLC

20060274817 - Method and apparatus for wireless communications: A communication system 20 uses TDMA techniques to distinguish intended recipients of a communication signal 26 from one another, and direct sequence spread spectrum (DSSS) techniques to encode and distinguish diverse parallel substreams 70 and 74 of each user's data stream. Parallel unspread substreams 70 are spread using cyclic variations... Agent: Pulse-link, Inc.

20060274818 - Quadrature multi-frequency ranging (qmfr) applied to gps multipath mitigation: A quadrature multi-frequency ranging system applied to DSSS multipath mitigation problems is described. The QMFR techniques include taking the time-of-arrival measurements on the received signal at a time when the multipath component is at a 90 degree angle to the direct path. Further, the preferred embodiment of the present invention... Agent: Davidson Berquist Jackson & Gowdey LLP

20060274819 - Truncation and level adjustment of rake output symbols: A method of receiving radio signals in a receiver for a digital wireless communications system comprises the steps of level adjusting a received radio signal by an automatic gain control (12); and despreading the signal in a RAKE unit (14) having a number of fingers. The despread data symbols are... Agent: Jenkens & Gilchrist, PC

20060274820 - Receiver for wireless communication network with extended range: Techniques for detecting and demodulating a signal/transmission are described. Signal detection is performed in multiple stages using different types of signal processing, e.g., using time-domain correlation for a first stage, frequency-domain processing for a second stage, and time-domain processing for a third stage. For the first stage, products of symbols... Agent: Qualcomm Incorporated

20060274821 - Bit synchronization detection methods and systems: Methods and systems for detecting bit synchronization boundary in a received signal. A counter is set for defining a bit boundary of the received signal. Transitions in the received signal are detected and compared with the counter value as the transitions are expected to occur only at the bit boundary.... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20060274823 - Parameter estimator with dynamically variable integration time: A parameter estimator for estimating one or more parameter(s) from a correlation function derived from a signal using a dynamically variable integration time is described. The parameter estimator may be employed in a subscriber station to estimate the time of arrival of one or more base station or sector pilot... Agent: Qualcomm Incorporated

20060274822 - Software based spread spectrum signal processing: The present invention relates to production of a decoded signal (Aτ) based on in an incoming stream of data samples (d(k)) representing at least one downconverted digitized spread spectrum source signal. A number (NM) of the received data samples (d(k)) are divided into a first number (N) of data blocks,... Agent: Dla Piper Rudnick Gray Cary Us, LLP

20060274824 - Non-intrusive transmit adjustment method: In one embodiment, a first device for communicating over a digital-subscriber-line (DSL) line comprises a digital-subscriber-line transceiver to transmit and receive data over the DSL link. A set of one or more performance parameters are associated with the DSL link by which the quality of the DSL link can be... Agent: Fogg And Associates, LLC

20060274825 - Tonal precoding: Precoding mitigates or removes interference signals (especially crosstalk) among multiple users with interconnected transmitters in vectored DSL systems and the like. Efficient implementation is provided of the R matrix in RQ factorization that characterizes multi-user downstream vector channels (such as DMT VDSL one-sided or two-sided transmission channels). A set of... Agent: Sylke Law Offices, LLC

20060274826 - Binary rate multiplier configured to generate accurate coefficients: A system and method are provided for generating accurate coefficients in a binary rate multiplier by signaling an enabling circuit to generate an enabling signal to the binary rate multiplier such that the average effect of the factored output signal corresponds to a signal multiplied by a predetermined coefficient value;... Agent: Stevens Law Group

20060274827 - Apparatus and method for synchronized playback: A synchronized playback apparatus for outputting a video and audio signal from superimposed video and audio data respectively that includes a video buffer for temporarily holding video data separated by the data separation unit, an audio buffer for temporarily holding audio data separated by the data separation unit, a video... Agent: Foley And Lardner LLP Suite 500

20060274828 - High capacity surveillance system with fast search capability: A surveillance system having a plurality of MPEG compressed data streams each originating from a separate video/audio source. The data is stored on hard disk and streamed to tape in real time with time set markers readable independent of the compressed video signal. The data is partitioned on the tape,... Agent: Patton Boggs

20060274829 - Mobile surveillance system with redundant media: A surveillance system having a plurality of MPEG compressed data streams each originating from a separate video/audio source. The data is streamed onto a plurality of media of different type in real time. The plurality of media are selected from the group consisting of: a digital tape, a hard disk,... Agent: Patton Boggs

20060274830 - Method and apparatus for compressing image data: There is provided an image data compression apparatus capable of effectively suppressing an image data volume after compression processing. A bit rate value is detected according to the image data volume after the compression processing. According to the bit rate size value detected, a quantization step size value used in... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20060274831 - Systems and methods for improved data transmission: Real-time video content is segmented into a series of processing cubes that are comprised of a predetermined number of frames, wherein the first frame is a reference frame, followed by a plurality of delta frames. In one embodiment, the video data which defines the reference frame is converted into command-and-control... Agent: Crowell & Moring LLP Intellectual Property Group

20060274832 - Device for encoding a video data stream: The invention relates to a device for double pass encoding of a video data stream comprising: a first type encoding means performing the first encoding pass, a second type encoding means performing the second encoding pass. According to the invention, the second type encoding means are different from the first... Agent: Thomson Licensing Inc.

20060274834 - Method and device for determining motion vectors: An image to be interpolated is subdivided into a number of image blocks and a motion estimation technique is implemented to provide at least one initial motion vector for each of the image blocks. A modified motion vector is generated for each image block based on the initial motion vectors... Agent: O'shea, Getz & Kosakowski, P.C.

20060274833 - Text recognition during video compression: A method for encoding an image of a video stream divided into macroblocks comprising determining a maximum of variance of luma blocks in a macroblock, determining if the maximum of variance exceeds a predetermined threshold, determining if the motion vectors of the macroblock are in correlation with a reference macroblock,... Agent: Sterne, Kessler, Goldstein & Fox PLLC

20060274835 - Method and apparatus for coding information: The invention provides a method and apparatus for coding information that is specifically adapted for smaller presentation formats, such as in a hand held video player. The invention addresses, inter alia, reducing the complexity of video decoding, implementation of an MP3 decoder using fixed point arithmetic, fast YcbCr to RGB... Agent: Glenn Patent Group

20060274836 - Sphere decoding apparatus: Methods and apparatuses for decoding codewords received over a MIMO channel are provided. According to one aspect of the disclosure, a cost function is computed for each constellation point of an Mth rank or spatial layer, and Ncand of those constellation points having minimum cost are preserved as candidate points,... Agent: Qualcomm Incorporated

20060274837 - Receiver circuit, signal transmission system, and receiver circuit device used for high- speed signal transmission: A receiver circuit has a sampling circuit, a buffer circuit, a determining circuit, and a buffer control circuit. The sampling circuit samples an input signal, and the buffer circuit buffers an output of the sampling circuit. The determining circuit determines an output of the buffer circuit, and the buffer control... Agent: Arent Fox PLLC

20060274838 - Agile rf band ofdm spread spectrum and cross-correlated systems: Agile Radio Frequency (RF) band selectable systems and circuits process and provide selection of baseband filtered Orthogonal Frequency Division Multiplexed (OFDM) modulated signals, of spread spectrum (SS) modulated signals and of baseband in-phase (I) and quadrature-phase (Q) shaped and or filtered baseband cross-correlated and modulated signals. A selector selects one... Agent: Kamilo Feher

20060274843 - Apparatus and method for transmitting/receiving preamble signal in a wireless communication system: An apparatus and method for transmitting/receiving a multi-functional preamble signal in a wireless communication system are provided. In an apparatus for transmitting a preamble signal in a wireless communication system, a first generator generates a predetermined ZAC sequence. A circular shifter circular-shifts the ZAC sequence according to a BS ID.... Agent: Dilworth & Barrese, LLP

20060274842 - Frequency domain joint detection for wireless communication systems: A method and apparatus for frequency domain joint detection for multicarrier code division multiple access (MC-CDMA) and spread orthogonal frequency division multiple access (OFDMA) systems are disclosed. The apparatus includes a receiver having a frequency domain joint detector, whereby channel distortion and data symbols are jointly equalized and detected by... Agent: Volpe And Koenig, P.C. Dept. Icc

20060274844 - Frequency-independent spatial processing for wideband miso and mimo systems: Frequency-independent eigensteering in MISO and MIMO systems are described. For principal mode and multi-mode eigensteering, a correlation matrix is computed for a MIMO channel based on channel response matrices and decomposed to obtain NS frequency-independent steering vectors for NS spatial channels of the MIMO channel. ND data symbol streams are... Agent: Qualcomm Incorporated

20060274839 - Method and system for adaptive control of sub-carriers: A method and system for adaptive control of sub-carriers is useful for increasing frequency diversity gain to improve bit error rate performance in an Interleaved Frequency Division Multiple Access (IFDMA) system. The method includes selecting a combination of a Repetition Factor (RF) and a repetition block size (Q), from possible... Agent: Motorola, Inc.

20060274840 - Method for seamlessly changing power modes in an adsl system: A DMT system and method with the capability to adapt the system bit rate on-line in a seamless manner. The DMT system provides a robust and fast protocol for completing this seamless rate adaptation. The DMT system also provides a framing and encoding method with reduced overhead compared to conventional... Agent: Miles & Stockbridge PC

20060274841 - System and/or method for channel estimation in communication systems: Embodiments of methods, devices and/or systems for estimating channel state information are described.... Agent: Berkeley Law & Technology Group

20060274845 - Quadrature amplitude modulation trellis coded modulation decoding apparatus and method thereof: A quadrature amplitude modulation trellis coded modulation (QAM-TCM) decoding apparatus and the related method that receives and decodes a QAM signal. The QAM-TCM decoding apparatus includes an in-phase least significant bit (LSB) decoding path, which includes a in-phase Viterbi decoder for executing a decoding procedure on at least one LSB... Agent: North America Intellectual Property Corporation

20060274846 - Differential multiple-length transmit and reception diversity: The present invention achieves differential transmit diversity and related diversity reception schemes transmit symbol constellations which are extended to multiple levels. Heretofore, a group of transmission bits is divided into a first sub-group of transmission bits and a second sub-group of transmission bits. Then, the first sub-group of transmission bits... Agent: Edwards & Angell, LLP

20060274848 - Method and system of convolutive coding for the transmission of space-time block codes according to the technique termed golden code: e

20060274849 - Time-domain transmit and receive processing with channel eigen-mode decomposition for mimo systems: Techniques for processing a data transmission at the transmitter and receiver. In an aspect, a time-domain implementation is provided which uses frequency-domain singular value decomposition and “water-pouring” results to derive time-domain pulse-shaping and beam-steering solutions at the transmitter and receiver. The singular value decomposition is performed at the transmitter to... Agent: Qualcomm Incorporated

20060274847 - Training frames for mimo stations: c

20060274850 - Digital data transmitting apparatus: A transmitting circuit 10 converts transmission data to a multilevel analog signal suitable for transmission. The multilevel analog signal is output to a cable 21 via an amplifier and a hybrid circuit 12. In the transmitting circuit 10, a waveform which compensates waveform deterioration at the cable 21 is generated.... Agent: Staas & Halsey LLP

20060274853 - Data transmission system for computer tomographs: A computer tomograph comprises a rotating part and a stationary part, and includes a system for transmitting data between the rotating part and the stationary part with a directional radio link. The system comprises an antenna arrangement for directional emission of data signals from the rotating part along a direction... Agent: Daffer Mcdaneil LLP

20060274852 - Modified preamble for programmable transmitter: A programmable transmitter generates a frame preamble to train a receiver with respect to a communication link format that corresponds to a transmission mode wherein the transmission mode may comprise transmitting the communication link over one or more antennas. Generally, the invention includes generating a preamble with an arrangement that... Agent: Garlick Harrison & Markison

20060274851 - System and method for enlarging amplitude minima in a linear modulation signal: A system and a method to enlarge the minimum signal of a linear modulation signal (115) including multi-carrier modulation, such as Scalable advanced Modulation or Orthogonal Frequency Division Multiplexing, are disclosed. A minimum enlarger (120) exploits a simple amplitude limiter (220) so as not to interfere with an existing peak... Agent: Motorola, Inc Intellectual Property Section

20060274854 - Radio receiving apparatus, mobile station appartus, base station apparatus, and radio receiving method: A radio receiving apparatus and radio receiving method are provided that enable the overall apparatus circuit scale to be reduced, and small apparatus size and low apparatus cost to be achieved, without increasing the processing load, together with a mobile station apparatus and base station apparatus equipped with this radio... Agent: Stevens, Davis, Miller & Mosher, LLP

20060274855 - Method to enable single frequency network optimization: Additional data may be added to the current SDARS satellite signals as a phase and/or amplitude offset from the legacy quadrature phase shift keying (QPSK) modulated data and transmitted by the SDAR terrestrial repeaters. However, in the case where a legacy receiver architecture for a differential modulation system outputs angular/phase... Agent: Delphi Technologies, Inc.

20060274857 - Rfid receiver with digital down conversion: An RFID receiver uses digital down conversion to facilitate determination of the frequency of a radio frequency signal from an RFID tag and to facilitate demodulation of the signal. Two analog-to-digital converters can be configured to undersample a signal from the RFID tag. Adjacent pairs of samples can be used... Agent: Macpherson Kwok Chen & Heid LLP

20060274856 - System and method for communicating confidential messages: A method of recording messages includes recording audio data in a first file structured in accordance with a file format that defines a first portion and a second portion. The audio data is recorded in the first portion of the first file. The method also includes encrypting the audio data... Agent: Baker Botts L.L.P.

20060274859 - Analog-to-digital converter compensation system and method: An analog-to-digital converter compensation method includes providing at least one analog tone, converting the analog tone into digital signals, and using the digital signals to generate an error compensation model comprising a plurality of compensation values corresponding to respective digital signals. The compensation values are obtained by applying a time... Agent: General Electric Company Global Research

20060274858 - Sample rate conversion module and applications thereof: A sample rate converter includes an upsampling module, a low pass filter, and a linear sample rate conversion module. The upsampling module is operably coupled up-sample a digital input signal having a first rate to produce a digitally up-sampled signal. The low pass filter is operably coupled to low pass... Agent: Garlick Harrison & Markison

20060274860 - Wireless communications apparatus: A symbol based communications system involves symbol detection at a receiver in the system. The symbol detection involves determining a set of symbols likely to be present on a sequence of received data. A symbol detector provided to fulfil this role includes means for performing a forward backward recursion means... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20060274861 - Channel esitmation and sequence for the reception of optical signal: The invention relates to a method for channel estimation. The method comprises digitizing an analog signal representing a sequence of symbols thereby associating one digital word out to the level of said analog signal at each sampling time. The most likely sequence of said symbols is detected. To this end... Agent: Edwards & Angell, LLP

20060274862 - Quaternary precoded continuous phase modulation soft bit metric demodulator: A receiver generates log-likelihood-ratio-based soft bit metrics of precoded quaternary continuous phase modulation signals using four state-constrained trellises and a streamlined maximum likelihood sequence estimation Viterbi algorithm requiring no survivor state storage elements for a preferred error correction-coded quaternary Gaussian minimum shift keying communication system employing reduced-complexity pulse-amplitude modulation matched-filtering... Agent: Carole A. Mulchinski The Aerospace Corporation

20060274863 - Method and device for determining the occupancy of a transmission channel: The invention discloses a method for determining the occupancy of a transmission channel with the help of a differentially demodulated signal, which was generated transmitter-side with the use of PN sequences from a PN sequence set, which has a first group of first PN sequences and a second group of... Agent: Mcgrath, Geissler, Olds & Richardson, PLLC

20060274864 - Frequency control device and information reproduction apparatus: A frequency control device capable of detecting a frame sync pattern and generating a frequency information accurately even if a reproduction signal is not zero-crossed, and an information reproduction apparatus having the same, which includes an oscillation circuit outputting a clock having a frequency corresponding to a control signal; a... Agent: Rader Fishman & Grauer PLLC

20060274865 - Channel-dependent de-sensing of received signals: A processor capable of independently adding a specified level of noise to each different frequency-based channel signal of a composite signal, where the specified levels of noise for at least two channel signals are different. In one embodiment, the processor operates in the digital domain after the composite signal can... Agent: Mendelsohn And Associates, P.C.

20060274866 - Apparatus for suppressing burst noise and method thereof: An apparatus performs burst noise detection and then reduce the interference of the burst noise by controlling an operation of an adaptive apparatus, such as an equalizer. It includes: an adaptive apparatus having multiple coefficients, processing incoming signals according to these coefficients, and employing an error estimator to update the... Agent: Birch Stewart Kolasch & Birch

20060274868 - Crest factor reduction in ofdm using blind selected pilot tone modulation: Orthogonal frequency division multiplexing (OFDM) is a spectrally efficient multicarrier modulation technique for high speed data transmission over multipath fading channels, but has low power efficiency. OFDM signals have large crest factors, or peak-to-average power ratios (PARs) which lead to power inefficiency in the RF portion of the transmitter. Selected... Agent: Kenneth W. Float

20060274867 - Receiving device: By including plural receiving branches which are independently controllable for use in diversity reception or plural-channel simultaneous reception, a receiving device can be operated both as a diversity receiving device and as a plural-channel simultaneous receiving device.... Agent: Arent Fox PLLC

20060274869 - Dynamically generating content based on capabilities of a mobile device: A system, apparatus, and method is directed to dynamically generating content on the fly based on at least one characteristic of a computing device requesting the content, including a characteristic of a network connection. The invention may receive information from a variety of sources, including a manufacturer of the computing... Agent: Darby & Darby P.C.

20060274871 - Clock pulse control device of a microwave pulse radar: The invention relates to a clock pulse control circuit for generating a transmit clock pulse (ts) and a sampling clock pulse (ta; tb; tc), wherein the clock pulse control circuit comprises a first oscillator (20) for generating a first clock pulse (ts) of a first frequency, and a second oscillator... Agent: Fay Kaplun & Marcin, LLP

20060274870 - Method for data signal transfer across different clock-domains: In a method for data signal transfer across different clock-domains, including synchronization of a data signal with a current clock-domain where said data signal is processed, the processing of said data signal is started before the synchronization of said data signal is completed in said current clock-domain.... Agent: Philips Intellectual Property & Standards

20060274872 - Waveform shaping method, waveform shaping device, electronic device, waveform shaping program and recording medium: A sampling section (102) is provided for generating a sampling signal (103) by sampling an input signal (101) using a sampling clock (106) which is faster than a data speed of the input signal (101). A waveform shaping section (104) is provided for I) processing (e.g. inverting a pulse) the... Agent: Birch Stewart Kolasch & Birch

20060274873 - Rapid data point selection for generating eye diagrams: A method and an apparatus for constructing an eye diagram. Occurrences of a first value in a signal are counted during a time interval. A second value is selected as a function of this occurrence count. During a subsequent time interval occurrences of the second value are counted for further... Agent: Agilent Technologies Inc.

20060274874 - Clock and data timing compensation for receiver: According to some embodiments, a system provides acquisition of a first sample of a data signal based on a first clock signal associated with a first phase, the first sample associated with a first data eye of a clock cycle, acquisition of a second sample of the data signal based... Agent: Buckley, Maschoff, Talwalkar LLC

20060274875 - Interface circuit for a media access controller and an optical line termination transceiver module: A communication system includes an interface that allows a media access controller (MAC) and an optical line termination transceiver module (TM), which have incompatible interfaces, to be connected together. The interface ensures that a clock signal and a start of frame signal have the phase relationship required by the TM,... Agent: Law Offices Of Mark C. Pickering

20060274876 - Deriving fractional clock period error information: Techniques for determining a synchronization error of a local clock by deriving fractional clock period error information enable increased accuracy in local clock synchronization without increasing local clock frequency. A system for determining a synchronization error according to the present techniques generates a timing message in response to a master... Agent: Agilent Technologies Inc.