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Pulse or digital communications December patents, inventions by USPTO category 12/07

20070297488 - Method of frequency search for dco and decoder using the same: A method of frequency search for a digitally controlled oscillator (DCO) with multiple sub-bands. The method comprises providing multiple workable pre-control codes, each control code comprising a most significant bit (MSB), corresponding to each frequency of the DCO for selection, selecting one of the workable pre-control codes according to the... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070297487 - Modulating circuit, transmitting apparatus using the same, receiving apparatus and communication system: A communication system includes a modulating circuit to increase the amount of information to be transmitted, a transmitting apparatus capable of easily generating a desired waveform even for any very short wavelets, a receiving apparatus capable of easily separating wavelets even if the intervals thereof are narrow. The modulating circuit... Agent: Ratnerprestia

20070297489 - Method and apparatus to perform reactive jamming while simultaneously avoiding friendly pseudo-random frequency hopping communications: Method and Apparatus to Perform Reactive Jamming While Simultaneously Avoiding Friendly Pseudo-Random Frequency Hopping Communications is disclosed. The system provides an enhancement to surgical reactive jammers that combines near-real-time jamming capability with the additional feature of allowing tactical communications. The jammer includes a synchronization subsystem that synchronizes jammer lockout frequencies... Agent: Karl M. Steins Steins & Associates

20070297490 - Method and system for defining additional spread spectrum channels within a coverage area of an existing wireless network: A method and system for defining additional spread spectrum channels within a coverage area already served by an existing wireless network. A first spread spectrum channel may be defined by a first range of frequencies. A second spread spectrum channel may be defined by a second range of frequencies. A... Agent: Sprint

20070297491 - Receiver and wireless lan apparatus in which a received signal is correlated to a reference symbol: A receiver comprising: an antenna which receives a radio signal including N possible symbols {c1(n), c2(n), cM−1(n), cM(n)}, an N correlation units which are provided corresponding to the N possible symbols, respectively, each correlation unit detecting the degree of correlation with the radio signal received by the antenna, and a... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070297492 - Transmitter with intelligent preconditioning of amplifier signal: A transmitter (20) for a code division multiple access radio access network intelligently preconditions a channel-merged signal which is applied to its amplifier (22) so that the amplifier does not experience, e.g., precipitous power changes. The transmitter (20) comprises an amplifier (22) for amplifying the channel-merged signal at a signal... Agent: Nixon & Vanderhye, PC

20070297493 - Efficient maximal ratio combiner for cdma systems: A receiver comprises a number of fingers, each finger providing symbols associated with a path of a received multipath signal, and a maximal ratio combiner (MRC) that activates to combine the symbols when the symbols are available. In an illustrative embodiment a receiver is a CDMA receiver and comprises a... Agent: Thomson Licensing LLC

20070297494 - Method and apparatus for communication receiver despreading resource management: According to a method taught herein, a multi-branch communication receiver operates in a first mode wherein it despreads individual receiver branch signals with respect to all channelization codes of interest, if sufficient despreader resources are available for such operation. If the receiver estimates that sufficient despreader resources are not available,... Agent: Coats & Bennett, PLLC

20070297497 - Apparatus and method for interference cancellation: An apparatus and method for interference cancellation using software or low speed hardware. Antenna signals are received and selected. After selection, interference cancellation processing is applied. In one embodiment, the signal is a spread spectrum signal and selection includes despreading the signal. In one example, the interference cancellation processing includes... Agent: Qualcomm Incorporated

20070297496 - Apparatus and method for iterative detection and decoding in multiple antenna system: Provided is an apparatus and method that can suppress deterioration in performance by scaling soft decision values for iterative detection and decoding in a Multi-Input Multi-Output (MIMO) system. The apparatus performs Iterative Detection and Decoding (IDD) and includes a detector for detecting signals received through antennas to thereby generate a... Agent: The Farrell Law Firm, P.C.

20070297495 - Multi-user iterative detection for cdma communications systems on the mimo channel: subtracting interference using an estimate of multi-antenna interference (MAI), intersymbol interference (ISI), and multi-user interference (MUI) previously regenerated on the basis of the evaluation (ŝ) of the sent modulated data generated by previous filtering 202; processing to generate an interference estimate for the data received from information computed on the... Agent: Cohen, Pontani, Lieberman & Pavane

20070297498 - Distributed transmission involving cooperation between a transmitter and a relay: The present invention provides, in one embodiment, a method of transmitting a message. The method includes transmitting a first codeword from a transmitter to a relay. The method also includes subsequently transmitting a second codeword based on the first codeword from the relay and a third codeword from the transmitter... Agent: Hitt Gaines, PC Alcatel-lucent

20070297499 - Efficient channel shortening in communication systems: A communication system includes a channel shortening filter to reduce intersymbol interference and facilitate recovery of communications. The channel shortening filter preferably includes a energy concentration filter that optimizes SNR or SINR or other performance criterion and a impulse response tail canceller filter that eliminates energy or, equivalently, cancels coefficients... Agent: Hogan & Hartson L.L.P.

20070297506 - Decoder and decoding method: According to one embodiment, a decoder includes: an error detecting device detecting a fact that an error is included in an encoded bitstream, the error making it impossible to predict a pixel value using a prediction mode; an error processing device replacing the prediction mode ruled in the bitstream with... Agent: Knobbe Martens Olson & Bear LLP

20070297500 - Design techniques and their circuit designs for versatile and scalable video coding: Design techniques and their circuit designs for versatile and scalable video coding are proposed, in which the inner product operation in the transform coding expression is taken apart into a series of add and shift operations, and the expression is partitioned into several sub-expressions. Taking each order of the add-and-shift... Agent: Rosenberg, Klein & Lee

20070297501 - Decoding systems and methods in computational core of programmable graphics processing unit: Various embodiments of decoding systems and methods are disclosed. One system embodiment, among others, comprises a software programmable core processing unit having a variable length decoding unit (VLD) unit configured to execute a shader, the shader configured to selectively implement decoding of a video stream coded based on a plurality... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070297502 - Efficient fixed-point approximations of forward and inverse discrete cosine transforms: Techniques are described to approximate computation of an inverse discrete cosine transform using fixed-point calculations. According to these techniques, matrixes of scaled coefficients are generated by multiplying coefficients in matrixes of encoded coefficients by scale factors. Next, matrixes of biased coefficients are generated by adding a midpoint bias value to... Agent: Qualcomm Incorporated

20070297503 - Efficient fixed-point approximations of forward and inverse discrete cosine transforms: Techniques are described to approximate computation of an inverse discrete cosine transform using fixed-point calculations. According to these techniques, matrixes of scaled coefficients are generated by multiplying coefficients in matrixes of encoded coefficients by scale factors. Next, matrixes of biased coefficients are generated by adding a midpoint bias value to... Agent: Qualcomm Incorporated

20070297505 - Method and device for video encoding and decoding: The present invention relates to a method and device for providing encoded video data from a video signal. The method comprises the steps of providing intra-coded picture data and predictive-coded picture data, based on the video signal, and generating a first and a second frame of said encoded video data.... Agent: Birch Stewart Kolasch & Birch

20070297504 - Reduction of errors during computation of inverse discrete cosine transform: Techniques are described to reduce rounding errors during computation of discrete cosine transform using fixed-point calculations. According to these techniques, a discrete cosine transform a matrix of scaled coefficients is calculated by multiplying coefficients in a matrix of coefficients by scale factors. Next, a midpoint bias value and a supplemental... Agent: Qualcomm Incorporated

20070297507 - Video transcoding apparatus: Disclosed is a video transcoding apparatus converting a specific bit rate of an MPEG (moving pictures experts group) bit stream into a different rate thereof for transportation. The present invention includes a video pre-processing unit having a predetermined matrix structure and down-sampling a macro block decoded by the video decoder... Agent: Ked & Associates, LLP

20070297508 - Image coding apparatus and image coding method: An image coding apparatus calculates an image change rate with respect to input image data, predicts an average activity appropriate for a coding target picture that is included in the input image data based on the image change rate, and normalizes an activity using the predicted value of the average... Agent: Canon U.s.a. Inc. Intellectual Property Division

20070297509 - Stream encoder and stream decoder: A stream encoder includes a video encoder for receiving and encoding first and second angle video data, and outputting the results as first and second encoded video data, a first video buffer for storing the first encoded video data, and a second video buffer for storing the second encoded video... Agent: Mcdermott Will & Emery LLP

20070297510 - Method and apparatus for generating coded picture data and for decoding coded picture data: Motion compensated temporal prediction is well-known for redundancy reduction in video signal compression. A prediction error signal and a motion vector for a current block are transmitted, describing the location of the predictor block in the reference picture. A problem solved by the invention is to encode and decode video... Agent: Josehp J Laks Thomson Licensing

20070297511 - Chroma motion vector processing apparatus, system, and method: A system, apparatus, method, and article to process a chroma motion vector are described. The apparatus may include a video decoder. The video decoder includes a processor to receive a compressed video bitstream. The compressed video bitstream includes a stream of pictures. The stream of pictures includes a current slice... Agent: Kacvinsky LLC C/o Intellevate

20070297512 - Motion estimation method, medium, and system with fast motion estimation: A motion estimation method, medium, and system with fast motion estimation. The motion estimation method includes comparing a cost indicating a difference between a current block of a current image and a block of a reference image specified by a starting point with a predetermined threshold and selectively searching for... Agent: Staas & Halsey LLP

20070297513 - Systems and methods for a motion compensated picture rate converter: Disclosed herein are systems and methods for estimating global and local motions between a pair of temporally adjacent frames of an input signal and for applying these motion vectors to produce at least one interpolated, motion-compensated frame between the adjacent frames. In particular, the systems and methods comprise designs for... Agent: Ropes & Gray LLP Patent Docketing 39/361

20070297514 - Moving picture encoding apparatus: Data of both MPEG-2 and MPEG-4 is generated simultaneously with a small circuit scale and a small power consumption. A moving picture encoding apparatus for encoding a moving picture through motion-compensated inter-frame prediction has: a MPEG-2 encoding unit including a motion vector estimator, a frame memory, a forward prediction circuit,... Agent: Townsend And Townsend And Crew, LLP

20070297515 - Film grain simulation method based on pre-computed transform coefficients: Film grain simulation within a receiver 4 occurs by first obtaining at least one block of pre-computed transformed coefficients. The block of pre-computed transformed coefficients undergoes filtering responsive to a frequency range that characterizes a desired pattern of the film grain. In practice, the frequency range lies within a set... Agent: Thomson Licensing LLC

20070297516 - Optimization methods for objective measurement of video quality: An optimization method, which finds the optimal weight vector, is provided. The method finds the optimal weight vector which is used to produce an objective score from a parameter vector. Such objective scores provide the maximum correlation coefficient with subjective scores.... Agent: Chulhee Lee

20070297517 - Entropy encoding and decoding apparatuses, and entropy encoding and decoding methods: An entropy encoding apparatus and method. The entropy encoding apparatus includes a estimated CBP value calculating unit which estimates a CBP value of a target block and outputs an estimated CBP value of the target block, and a calculated-CBP value calculating unit which calculates a calculated-CBP value of the target... Agent: Staas & Halsey LLP

20070297518 - Flag encoding method, flag decoding method, and apparatus thereof: The present invention relates to a video compression technology, and more particularly, to an effective flag-coding method and apparatus thereof by using a spatial correlation among various flags used to code a video frame. In order to accomplish the object, there is provided an apparatus for encoding a flag used... Agent: Sughrue Mion, PLLC

20070297519 - Audio spatial environment engine: An audio spatial environment engine is provided for converting between different formats of audio data. The audio spatial environment engine (100) allows for flexible conversion between N-channel data and M-channel data and conversion from M-channel data back to N′-channel data, where N, M, and N′ are integers and where N... Agent: Mr. Christopher John Rourk Jackson Walker LLP

20070297520 - Noise-tolerant signaling schemes supporting simplified timing and data recovery: Described are communication systems that convey differential and common-mode signals over the same differential channel. Noise-tolerant communication schemes use low-amplitude common-mode signals that are easily rejected by differential receivers, thus allowing for very high differential data rates. Some embodiments employ the common-mode signals to transmit backchannel signals for adjusting the... Agent: Silicon Edge Law Group, LLP

20070297521 - Mitigation of interference from periodic noise: A method and apparatus for mitigation of interference from periodic noise. An embodiment of a method includes receiving wireless signal data, where the data includes a periodic noise that varies in frequency over time. The method further includes performing a time-spectrum characterization of the data, and correlating the time-spectrum characterization... Agent: Blakely Sokoloff Taylor & Zafman

20070297524 - Approach for spectrum analysis in a receiver: A wireless communications apparatus that it is useable as a spectrum analyzer and as a wireless receiver. The wireless communications apparatus has a radio circuit that is configured to receive EM radiation. Signal processing logic receives signals from the radio circuit based on the EM radiation. The signal processing logic... Agent: Hickman Palermo Truong & Becker, LLP

20070297526 - Derivation of eigenvectors for spatial processing in mimo communication systems: Techniques for deriving eigenvectors based on steered reference and used for spatial processing. A steered reference is a pilot transmission on one eigenmode of a MIMO channel per symbol period using a steering vector for that eigenmode. The steered reference is used to estimate both a matrix Σ of singular... Agent: Qualcomm Incorporated

20070297522 - Method for signal processing and a signal processor in an ofdm system: A method of signal processing for a receiver for OFDM encoded digital signals, for counteracting inter-carrier interference (ICI) caused by Doppler broadening. The OFDM encoded digital signals are transmitted as sub-carriers in several channels, which form OFDM blocks. The method comprises estimation of a channel transfer function (Ĥ1) by a... Agent: Philips Intellectual Property & Standards

20070297523 - Method of calibrating the transmission chain of a wireless transceiver and corresponding wireless transceiver: A calibration is performed tone per tone during interframe spacing. A peak detection is used for measuring the level of the corresponding signal, and a gain correction coefficient is stored for correcting the digital complex modulation coefficients provided by the mapping.... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20070297525 - Ofdm system with reverse link interference estimation: A new method of performing interference estimation to allow the data packets to be efficiently delivered in an OFDM system. The interference estimation is performed on average over each frame for each mobile station individually in both frequency and time domains. Based on the estimated interference, the CIR can be... Agent: Smart & Biggar P.o. Box 2999, Station D

20070297527 - Synchronization techniques in multipoint-to-point communication using orthogonal frequency division multiplexing: A bidirectional communication system is provided. In one embodiment, a system comprises a host unit and a plurality of remote units using a multiple access scheme to communicate at the same time with the host unit using orthogonal frequency division multiplexing (OFDM). The host unit repeatedly performs an analysis of... Agent: Fogg & Powers LLC

20070297528 - A high diversity time-space coding and decoding for mimo systems: A diversity transmission scheme uses a number of antennas that is greater than the limitation of two transmitting antennas in the well-known Alamouti scheme. In an embodiment comprising four antennas, the antennas transmit in pairs such that each antenna transmits a block that is used in the Alamouti scheme. This... Agent: Glenn Patent Group

20070297529 - Recursive and trellis-based feedback reduction for mimo-ofdm with rate-limited feedback: Techniques are provided for reducing feedback while maintaining performance in a MIMO-OFDM system. The disclosed techniques employ finite-rate feedback methods that uses vector quantization compression. The disclosed methods/techniques generally involve: receiving a plurality of symbols from a plurality of sub-carriers at a receiver; selecting a plurality of indices of codewords... Agent: Mccarter & English , LLP Stamford Office

20070297530 - Transmission circuit and communication device: Provided is a transmission circuit operating with high efficiency and low distortion. An amplitude and phase extraction section 11 extracts amplitude data and phase data from input data. A phase modulation section 12 phase-modulates the phase data to output a resultant signal as a phase-modulated signal. An amplifier section 13... Agent: Wenderoth, Lind & Ponack L.L.P.

20070297531 - Contactless ic card system: In a contactless IC card system, a modulating circuit manufactured in an IC form is operable at a high power efficiency. The demodulating apparatus is configured to include: first signal output means for outputting a first output signal having a predetermined phase with respect to that of an input signal,... Agent: Bell, Boyd & Lloyd, LLP

20070297532 - Reducing image spectral leakage due to i-q imbalance: Methods of reducing spectral leakage due to I-Q imbalance within a transmitter are disclosed. The method includes the transmitter receiving a data stream of coefficients of a multi-carrier modulation signal. The data stream is pre-processed by processing a set of the coefficients that correspond with selected notch frequencies to reduce... Agent: Tzero Patent Dept

20070297533 - Apparatus and methods for implementing hierarchical modulation and demodulation for geran evolution: The present invention relates to hierarchical modulation (HM) and demodulation for global system for mobile communications (GSM)/enhanced data rates for GSM evolution (EDGE) radio access network (GERAN) evolution. In one embodiment, HM symbols are generated by generating primary modulated symbols based on a first bit group, generating secondary modulated symbols... Agent: Volpe And Koenig, P.C. Dept. Icc

20070297535 - Amplitude calculation apparatus of output signal of encoder and amplitude calculation program of output signal of encoder: An amplitude calculation apparatus or an amplitude calculation program of an output signal of an encoder dividing a resurge waveform into a predetermined number of angle areas, presetting and storing coefficient α of the A-phase and the coefficient β of the B-phase corresponding to the divided angle areas, the coefficients... Agent: Lowe Hauptman Ham & Berner, LLP

20070297534 - High bit rate rfid system: Methods, systems, and apparatuses for quadrature amplitude modulation (QAM) based radio frequency identification (RFID) systems are described. In an aspect, a tag transmitter performs QAM signal mapping and quadrature modulation of a carrier wave (CW), to transmit a QAM response signal. In another aspect, a QAM-enabled reader receiver receives the... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20070297536 - Dc offset removal apparatus and dc offset removal method: A DC offset removal apparatus and a DC offset removal method that can highly accurately detect and remove a DC offset within a burst and that have a relatively small processing load. DC offset compensating processing section 101 includes maximum value searching section 104 that calculates maximum value estimation value... Agent: Greenblum & Bernstein, P.L.C

20070297537 - System and method for evm self-test: A system and method for EVM self-testing a communication device is provided including receiving (305) a complex waveform, sampling (310) first and second sample voltages from the complex waveform, selecting (315) first and second ideal voltages from I- and Q-arrays, and determining (320) an error vector by comparing the first... Agent: Ingrassia Fisher & Lorenz, P.C. (fs)

20070297538 - Dual carrier modulation (dcm) demapping method and demapper: A dual carrier modulation (DCM) demapping method and a DCM demapper using the method are provided. The DCM demapping method includes: receiving DCM constellation sets; respectively calculating a one-dimensional log likelihood ratio (LLR) for each bit of each constellation set; and diversity combining the calculated one-dimensional LLR to calculate an... Agent: Sughrue Mion, PLLC

20070297539 - Method and apparatus for receiving data in a communication system: An apparatus and method for receiving data by a receiver in a communication system are provided. The data reception method includes receiving data from a transmitter over a transmission region including multiple tiles and measuring noise of each of predetermined tiles among the multiple tiles, calculating a total variance of... Agent: JeffersonIPLaw, LLP

20070297540 - Method and system for detecting preambles in a multi-cell system: The present invention discloses a method and system for detecting preambles in a multi-cell communication system. The method detects preambles reliably even in the presence of interference caused by multiple cells reusing the same frequency in the multi-cell communication system. After receiving a signal in the receiving period, the time... Agent: L. Howard Chen Kirkpatrick & Lockhart Preston Gates Ellis, LLP

20070297541 - Signal detector using matched filter for training signal detection: A method of detecting whether an incoming signal is a signal type of interest having a known training sequence. The signal is filtered with a matched filter as in conventional methods. However, the filter processing is performed in a unique manner that maximizes computational efficiency.... Agent: Baker Botts L.L.P. Patent Department

20070297542 - System and method for fast code phase and carrier frequency acquisition in gps receiver: A GPS receiver acquires carrier frequency and Gold code phase using short segments of a received GPS signal. In one embodiment, a 1-ms segment of the GPS signal is transformed to the frequency domain. This is multiplied by a frequency representation of the Gold code. The resulting product is converted... Agent: Law Office Of Duane S. Kobayashi

20070297543 - Uwb communication receiver feedback loop: A novel technique and structure that maximizes the extraction of information from reference pulses for UWB-TR receivers is introduced. The scheme efficiently processes an incoming signal to suppress different types of UWB as well as non-UWB interference prior to signal detection. Such a method and system adds a feedback loop... Agent: Michael C. Staggs Attorney For Applicants

20070297544 - Digital television transmitting system and receiving system and method of processing broadcast data: A digital television receiving system includes a first known data detector, a second known data detector, and a selector. The first known data detector detects a location of a first known data sequence in a broadcast signal by calculating a first correlation value between the broadcast signal and a first... Agent: Lee, Hong, Degerman, Kang & Schmadeka

20070297545 - Method employing bumping algorithm for estimation of signal frequency and displacement estimation method and device: A displacement estimation method is disclosed which comprises: a signal capturing step for capturing a signal; a displacement estimation step for calculating a displacement based on a state change of the signal; and an output step for outputting the displacement, in which the displacement estimation step includes one or more... Agent: Tung & Associates

20070297547 - Apparatus and method of generating clock signal of semiconductor memory: A first shifting unit outputs first shifting signals using at least one of periodic signals. A control signal generating unit outputs multiplexing control signals using an inverted clock signal; a second shifting unit that outputs second shifting signals using the at least one of periodic signals. A correcting unit outputs... Agent: Venable LLP

20070297548 - Data processing apparatus: A disclosed data processing apparatus includes: a binarization unit binarizing input data based on a threshold voltage; a capture unit capturing data from a binary output binarized by the binarization unit; a duty cycle detection unit detecting a duty cycle of the binary output; and a control unit controlling a... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070297546 - Signal synchronization system: The invention provides signal synchronization systems. The signal synchronization system comprises a plurality of synchronization units and a control unit. The synchronization units each correspond to one transmitting device for accurately transmitting the transmitted data from the transmitting devices to the control unit. The control unit generates a system clock... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070297549 - Clock recovery circuit and receiver using the circuit: A clock recovery circuit capable of fast and accurate clock phase locking even in the presence of frequency shift and noise. The input signal includes, in order, a preamble with an alternating bit sequence pattern, a unique word and data. A detection unit detects zero crossings and measures the time... Agent: Snell & Wilmer L.L.P. (matsushita)

20070297550 - Coherent frequency clock generation and spectrum management with non-coherent phase: In a method for reducing electromagnetic interference in a clocked circuit, the clock circuit includes at least a first clock signal and a second clock signal. The method detects when a first transition of the first clock signal is substantially aligned with a corresponding second transition of the second clock... Agent: Ibm Corporation

20070297551 - Deskewing method and apparatus, and data reception apparatus using the deskewing method and apparatus: Deskewing method and apparatus, and a data reception apparatus using the deskewing method and apparatus, in which the deskewing apparatus includes an up/down detection unit, a lower limit detection unit, an upper limit detection unit, a phase detection unit, and a buffer unit. The up/down detection unit samples a received... Agent: F. Chau & Associates, LLC

20070297552 - Semiconductor device, a parallel interface system and methods thereof: A semiconductor device, a parallel interface system and methods thereof are provided. The example semiconductor device may include a reference clock transmitting block generating a reference clock signal, a plurality of first transceiver blocks, each of the plurality of first transceiver blocks transmitting at least one parallel data bit signal... Agent: Harness, Dickey & Pierce, P.L.C

20070297553 - Clock offset compensator: A device comprises a transmitter, a receiver and a clock generator that generates a local clock frequency. A clock recovery circuit communicates with the receiver and recovers a host clock frequency from data received from a host by the receiver. A frequency offset circuit communicates with the clock recovery circuit... Agent: Harness, Dickey & Pierce P.L.C

20070291821 - Matched filter for scalable spread spectrum communications systems: A spread spectrum communications system using long, scalable PN sequences to achieve variable communication rates using a low-complexity and scalable matched filter architecture to provide a large processing gain, robust recovery of multiple devices in long reach, high ambient-noise environments.... Agent: Madson & Austin

20070291822 - Radio communication system: A radio communication system operable to efficiently generate a frequency hopping sequence for radio communication and/or accurately provide system synchronization using a cyclic code. The radio communication system may employ a frequency hopping method that generally comprises acquiring a seed value, identifying a channel number matrix position utilizing at least... Agent: Hovey Williams LLP

20070291823 - Rf modem utilizing saw device with pulse shaping and programmable frequency synthesizer: A bidirectional direct sequence spread spectrum half-duplex RF modem. The RF modem can be applied to transmit and receive numerous types of analog and digital pulse modulation. The modem incorporates a SAW based correlator for performing the spreading and de-spreading functions in the transmitter and receiver. A programmable frequency synthesizer... Agent: Zaretsky & Associates PC

20070291824 - Gps signal acquisition system and method: A Global Position System signal acquiring system and method is provided in this invention. Pluralities of counters are set, each corresponding to a code bin and a frequency bin of the signal. Subsequently, the signal corresponding to the counters is repeatedly received in a unit of time and the counters... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070291825 - Spectrum spread receiving apparatus: In a spread spectrum receiver apparatus, frequency converters (201-1) and 201-2) convert two radio signals spread-spectrum modulated according to a spreading code and having carrier frequencies different from each other, into intermediate frequency signals having a substantially identical intermediate frequency, and outputs the intermediate frequency signals. An adder (102) adds... Agent: Wenderoth, Lind & Ponack L.L.P.

20070291826 - Spread spectrum receiver for restoring received symbols with a symbol detection window adjusted in optimal and a method therefor: A spread spectrum receiver has less symbol detection error due to noise. Correlation values between an input signal and spread code sequences are produced by correlators correspondingly provided for the spread code sequences. When an optimum window width symbol detection window is open, the correlation values are compared with a... Agent: Nixon Peabody, LLP

20070291827 - Interference reduction receiver: An interference reduction receiver is disclosed. The interference reduction receiver includes a weight generating unit for obtaining weights by multiplying a signal correlation matrix of an input signal and a channel response vector. The input signal is despread at two or more predetermined timings, the despread signals are multiplied by... Agent: Bingham Mccutchen LLP

20070291828 - Transceiver clock architecture with transmit pll and receive slave delay lines: A method and apparatus for transceiver clock architecture with transmit PLL and receive slave delay lines. In one embodiment, the method includes the generation of a transmitter (Tx) clock signal by adjusting a control voltage of a voltage controlled oscillator to lock a phase and frequency of Tx clock signal... Agent: Blakely Sokoloff Taylor & Zafman

20070291829 - Wireless communication apparatus and transmission control method: A wireless communication apparatus includes a transmitter and a receiver, and determines a modulation and error correction coding scheme used by the transmitter. The apparatus estimates a degree of channel variation, transmits, by the transmitter, a first frame for requesting response information necessary to select the modulation and error correction... Agent: Charles N.j. Ruggiero, Esq. Ohlandt, Greeley, Ruggiero & Perle, L.L.P.

20070291830 - Interface circuit and memory controller: Disclosed is a memory controller which comprises an output-side circuit that includes: a normal-mode phase shift amount control circuit; a test-mode phase shift amount control circuit; a selector for selecting an output from either of the two normal-mode phase shift amount control circuits; and a variable delay circuit for receiving... Agent: Mcginn Intellectual Property Law Group, PLLC

20070291831 - Method and apparatus for correcting signal-to-noise ratio in mobile terminal: A method and apparatus for correcting a Signal-to-Noise Ratio (SNR) of an antenna of a mobile terminal, which can detect if a Micro-Electro Mechanical System (MEMS) reconfigurable antenna for wireless communication contacts a foreign substance, to correct an SNR of the antenna. The mobile terminal having the MEMS reconfigurable antenna... Agent: The Farrell Law Firm, P.C.

20070291832 - Signal processing apparatus: The present disclosure describes a method and an apparatus for analyzing measured signals using various processing techniques. In certain embodiments, the measured signals are physiological signals. In certain embodiments, the measurements relate to blood constituent measurements including blood oxygen saturation.... Agent: Knobbe Martens Olson & Bear LLP

20070291833 - Method of and apparatus to generate pulse width modulated signal from sampled digital signal by chaotic modulation: A method and apparatus to generate a pulse width modulated signal from a sampled digital signal by chaotic modulation. The method includes generating predetermined chaotic intervals having random interval values using a chaotic interval generator, and generating the pulse width modulated signal from a reference signal and the sampled digital... Agent: Stanzione & Kim, LLP

20070291834 - Wireless data transmission method and apparatus: An ultra-wideband wireless information transmission method comprising transmitting electromagnetic data pulses and reference pulses over the transmission medium, information being encoded as a time shift between the data pulses and the reference pulses, at least two of the data pulses sharing a common reference pulse, and receiving the data and... Agent: Arent Fox LLP

20070291835 - Encoder and decoder to encode signal into a scable codec and to decode scalable codec, and encoding and decoding methods of encoding signal into scable codec and decoding the scalable codec: An encoder and decoder to encode one or more input signals into a scalable codec and to decode the scalable codec, and encoding and decoding methods using a bitstream with a layered structure in the scalable codec change a top coding bit rate to encode the input signals according to... Agent: Stanzione & Kim, LLP

20070291836 - Frame level multimedia decoding with frame information table: Apparatus and method to decode video data while maintaining a target video quality using an integrated error control system including error detection, resynchronization and error recovery are described. Robust error control can be provided by a joint encoder-decoder functionality including multiple error resilience designs. In one aspect, error recovery may... Agent: Qualcomm Incorporated

20070291837 - System and method for management of scalability information in scalable video and audio coding systems using control messages: Systems and methods are provided for communicating timely information related to the scalability layer structure of signals received by decoders and other components in a video and/or audio communication system. For a communication system, which uses the Standard H.264 SVC coding format, standard SSEI messages are modified or supplemented to... Agent: Baker Botts L.L.P.

20070291838 - Image coding and decoding method and apparatus considering human visual characteristics: An image coding method and apparatus considering human visual characteristics are provided. The image coding method comprises (a) modeling image quality distribution of an input image in units of scenes such that the quality of an image input in units of scenes is gradually lowered from a region of interest... Agent: Staas & Halsey LLP

20070291839 - Method and device for multimedia processing: A multimedia processing method for data transformation, comprising performing a motion compensation process on an input macroblock to generate a motion compensated macroblock and storing the motion compensated macroblock into a system memory; moving the motion compensated macroblock from the system memory into a first internal memory bank; performing the... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070291840 - Encoding apparatus, decoding apparatus, encoding method, decoding method, program of encoding method, program of decoding method, recording medium in which program of encoding method is recorded, and recording medium in which program of decoding method is: The present invention provides an encoding apparatus that executes encoding processing for input video data, including: a distributor configured to distribute the input video data into a plurality of channels on a picture basis; and a plurality of encoders configured to be provided on the plurality of channels and each... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20070291841 - Motion picture encoding device and method, motion picture decoding device and method, motion picture recording device, program, and data structure: A CODEC compresses and encodes a motion picture captured at a high speed of 240 fps frame rate in MPEG format. The CODEC divides pictures in each frame into I pictures and the main frame P pictures and the other sub frame P pictures. In encoding P pictures of the... Agent: Frishauf, Holtz, Goodman & Chick, PC

20070291842 - Optimal denoising for video coding: An optimal denoising method for video coding. This method makes use of very few pixels and linear operations, and can be embedded into the motion compensation process of video encoders. This method is simple and flexible, yet offers high performance and produces appealing pictures.... Agent: Groover & Holmes

20070291843 - Method and system for determining the reliability of estimated motion vectors: A method and system for determining a measure of reliability of a computed motion estimate based on the histogram of the error block obtained based on the computed motion estimate taking into account some aspects of the image content.... Agent: Kenneth L. Sherman, Esq. Myers Dawes Andras & Sherman, LLP

20070291844 - Method and system for non-linear motion estimaftion: A method and system for extrapolating and interpolating a visual signal including determining a first motion vector between a first pixel position in a first image to a second pixel position in a second image, determining a second motion vector between the second pixel position in the second image and... Agent: Mcginn Intellectual Property Law Group, PLLC

20070291846 - Systems and methods of improved motion estimation using a graphics processing unit: The embodiments disclosed herein provide systems and methods for improved motion estimation using a graphics processing unit. One such embodiment includes a method for determining a motion vector describing motion relative to a reference block, which comprises determining which of a plurality of prediction blocks is a good match with... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070291847 - Video-signal layered coding and decoding methods, apparatuses, and programs: An input video signal is encoded at a plurality of coding layers exhibiting different spatial resolutions. The input video signal is spatially scaled down to a resolution-lowered video signal that exhibits a resolution lower than the video signal. The resolution-lowered video signal is encoded by using a quantization parameter, with... Agent: Renner Kenner Greive Bobak Taylor & Weber

20070291848 - Method and apparatus for encoding/decoding broadcast or recorded segments and monitoring audience exposure thereto: Methods and apparatus for encoding and decoding information in broadcast or recorded segment signals are described. In certain embodiments, an audience monitoring system encodes identification information in the audio signal portion of a broadcast or recorded segment using spread spectrum encoding. A personal monitoring device receives an acoustically reproduced version... Agent: Eugene L. Flanagan Iii, Esq. C/o Curtis, Morris & Safford, P.C.

20070291845 - Method of estimating motion in sequences of moving images using deformable meshes, video coder and decoder implementing the method: The invention concerns a method which consists in analyzing a field of motion of images, estimated by using a first mesh, to detect a faulty area in the first mesh, and in locating a rupture line in said area; then generating a second mesh including a faultless part consisting of... Agent: Drinker Biddle & Reath LLP Attn: Patent Docket Dept.

20070291849 - Method and device for indicating quantizer parameters in a video coding system: A method and device for coding of digital video sequence, wherein an indication of quantization parameter (QP) is provided in the encoded bit-stream for decoding purposes. The QP related information is indicated by introducing a sequence level quantization parameter value SQP. More specifically, instead of coding the absolute values of... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20070291850 - Alarm information display unit: A plurality of cameras is placed so that those optical axes become parallel to the Z-axis and are in relative position t on the XY plane. Multi-view video compression coding apparatus determines depth distance Z and unit normal vector (nx, ny, nz) of the arbitrary point in the surface of... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070291851 - Hardware accelerated compressed video bitstream escape code handling: Apparatus, systems and methods for hardware accelerated compressed video bitstream escape code handling are disclosed including an apparatus comprising a bitstream parser (BSP) to parse a bitstream of compressed video data. The BSP includes circuitry to extract uncompressed run and level data from the bitstream when the BSP detects an... Agent: Intel Corporation C/o Intellevate, LLC

20070291853 - Method and apparatus for transmitting/receiving uncompressed data: Apparatuses and methods are provided for transmitting/receiving uncompressed data in which, when the uncompressed data is transmitted or received over a wireless network, different code rates are applied to the data according to the significance of bits or bit groups included in the data. An apparatus for transmitting uncompressed data... Agent: Sughrue Mion, PLLC

20070291852 - Moving picture reproducing apparatus: If a frame which should be referred to does not drop, a reference picture list forming unit forms a reference picture list on the basis of the number of reference frames and the serial numbers of the decoded pictures stored in the decoded picture buffer. On the other hand, if... Agent: Frishauf, Holtz, Goodman & Chick, PC

20070291854 - Dtv transmitting system and receiving system and method of processing broadcast data: A digital television receiving system includes a frame encoder, a data randomizing and expanding unit, a group formatter, a block processor, a deinterleaver, and a multiplexer. The frame encoder encodes an enhanced data frame for error correction. The data randomizing and expanding unit randomizes the encoded enhanced data and expands... Agent: Lee, Hong, Degerman, Kang & Schmadeka

20070291855 - Method, device and system of error-protection of a wireless video transmission: Some demonstrative embodiments of the invention include devices, systems and/or methods of error-protection of a wireless video transmission. Some demonstrative embodiments of the invention include a wireless transmitter to transmit a wireless transmission including a data stream corresponding to at least a video signal. The data stream may include a... Agent: Eitan Mehulal Law Group

20070291856 - Clock regeneration system and method for wireless media content delivery systems: A improved method and system for regenerating a video pixel and/or audio sampling clock in a system that wirelessly transfers video and audio content from a content source to a content sink.... Agent: Fiala & Weaver, P.l.l.c. C/o Intellevate

20070291857 - Systems and methods of video compression deblocking: An exemplary video decoder comprises: an entropy decoder; a spatial decoder; combining logic; and an inloop deblocking filter. The entropy decoder receives an incoming coded bit stream. The spatial decoder receives the output of the entropy encoder and produces an encoded picture comprising a plurality of pixels. The combining logic... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070291858 - Systems and methods of video compression deblocking: An exemplary graphics processing unit (GPU) comprises a decoder and a video processing unit. The decoder is configured to decode a first and a second deblocking filter acceleration instruction. The first and second deblocking filter instructions are associated with a deblocking filter used by a particular video decoder. The video... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070291859 - Past presence hints: Systems, methods, and machine-readable media are disclosed for using past presence information to help determine a current presence of a principal. In one embodiment, determining presence of a principal on one or more devices or communication channels can comprise periodically querying a plurality of devices to determine a presence of... Agent: Townsend And Townsend And Crew LLP

20070291861 - Apparatus and method for generating ranging pseudo noise code: Disclosed is an apparatus for generating a ranging pseudo noise code used for a terminal of a portable internet system of an OFDM access scheme. The apparatus for generating ranging pseudo noise code detects a cell ID number using a preamble signal transmitted from a base station covering the terminal,... Agent: The Farrell Law Firm, P.C.

20070291863 - Digital branch calibrator for an rf transmitter: The present invention provides a digital (computational) branch calibrator which uses a feedback signal sensed from an RF transmit signal path following the combining stage of LINC circuitry of a transmitter to compensate for gain and phase imbalances occurring between branch fragment signals leading to the combiner. The calibrator feeds... Agent: Stolowitz Ford Cowger LLP

20070291862 - Method and device for synchronisation in ofdm: A method of synchronising an Orthogonal Frequency Division Multiplexed (OFDM) IEEE 802.11a data packet at a receiver is disclosed. The 802.11a data packet has a series of short training sequence (STS) symbols as a preamble. Cross-correlation at the receiver of the STS in the 802.11a packet PLCP preamble with the... Agent: Blakely Sokoloff Taylor & Zafman

20070291860 - Recursive sequence generation for selected mapping in multi-carrier systems: This invention relates to a method, device, computer program and computer program product for determining a mapping for a sequence of information-carrying values, including determining K representations of a sequence of information-carrying values in K successive stages, respectively, wherein in a first stage, a first representation of said K representations... Agent: Harrington & Smith, PC

20070291864 - Low complexity soft-input viterbi decoding for digital communication systems: A DVB-H bit-interleave coded modulation/demodulation system and method includes a convolutional encoder; an interleaver operatively connected to the convolutional encoder; a quadrature amplitude modulation (QAM) mapper operatively connected to the interleaver; a channel component operatively connected to the QAM mapper; a QAM demapper operatively connected to the channel component; a... Agent: Gibb & Rahman, LLC

20070291865 - Radio broadcasting method and transmitter using pre-filtering and corresponding signal: The disclosure relates to a radio broadcasting method for a first multicarrier digital signal occupying a first frequency band adjacent to at least one second frequency band, each assigned to a second signal. Pre-filtering is applied to the said first signal before its emission so as to attenuate the power... Agent: Westman Champlin & Kelly, P.A.

20070291866 - Antijam filter system and method for high fidelity high data rate wireless communication: An antijam filter and method for filtering interference signals from signals received from the desired user in spatially multiplexed wireless communication systems. The antijam filter estimates the interference from known and unknown sources, and uses that estimate to filter the interference from the received signals. The filtered desired user signals... Agent: Kaplesh Kumar

20070291867 - System and method for superposition coding and interference cancellation in a mimo system: The present disclosure relates generally to a system and method for superposition coding and interference cancellation in a multiple input multiple output (MIMO) system. In one example, the method includes demultiplexing a signal of a user into at least first and second signal portions and demultiplexing a signal of another... Agent: Timothy F. Bliss

20070291868 - Method and apparatus for improved spatial temporal turbo channel coding (sttcc) using eigen-beamforming: The present invention is a method and apparatus for improving the performance of spatial temporal turbo channel coding (STTCC) used in multiple-input multiple-output (MIMO) wireless communication systems called eigen-STTCC (E-STTCC) that employs eigen-beamforming to make use of orthogonal eigen streams in the MIMO channel. Singular value decomposition (SVD) is applied... Agent: Volpe And Koenig, P.C. Dept. Icc

20070291870 - Communications systems: Communications systems are disclosed having a transmitting apparatus for transmitting a signal to a receiving apparatus, the transmitting apparatus comprising transmitting means for transmitting a plurality of directional transmission beams to the receiving apparatus via different transmission paths, each transmission beam carrying a transmission signal. The transmitting apparatus may include... Agent: Katten Muchin Rosenman LLP

20070291869 - Wireless communication system and method: A communication system including a first device transmitting a modulated signal and a second device receiving the modulated signal. The second device can include a first demodulator and a second demodulator. The first demodulator can receive the modulated signal, produce a first demodulated output, and implement a first demodulation technique.... Agent: Andrus, Sceales, Starke & Sawall, LLP

20070291871 - System and method for broadcast pre-coding in a mimo system: The present disclosure relates generally to a system and method for broadcast pre-coding in a multiple input multiple output (MIMO) system. In one example, the method includes modulating a broadcast signal to create a stream of modulated symbols. Pre-coding is performed on each of the modulated symbols to break each... Agent: Timothy F. Bliss

20070291872 - Input drive control for switcher regulated power amplifier modules: Various embodiments described herein relate to a power management block and an amplification block used in the transmitter of a communication subsystem. The power management block provides improved control for the gain control signal provided to a pre-amplifier and the supply voltage provided to a power amplifier which are both... Agent: Bereskin And Parr

20070291874 - Method and apparatus for modulating digital signal using equilateral triangular constellation: Disclose is a modulation method that transmits n bits per modulation symbol, comprising the steps of: (a) generating a constellation of which 2n constellation points are arranged to be angular point of equilateral triangle; (b) generating a modulation symbol by mapping the constellation point with digital signal. According to the... Agent: Welsh & Katz, Ltd. 22nd Floor

20070291873 - Transmitter apparatus and wireless communication apparatus: A transmitter apparatus that exhibits a high efficiency and that can provide a wide variable output control width. An operation of saturation mode is performed in the vicinity of the maximum transmission power. A large-power amplifier (12) is caused, by increasing and then fixing the input level thereof, to operate... Agent: Pearne & Gordon LLP

20070291875 - Polar transmitter for increasing modulation rate using multi-phase generator: Provided is a polar transmitter which increases a modulation rate using a multi-phase generator and includes: a data processor which processes and separates incoming data to an amplitude component and a phase component; a multi-phase generator which generates a plurality of carriers having a plurality of phase components by processing... Agent: Sughrue Mion, PLLC

20070291876 - System for high definition radio blending: A system for blending a hybrid radio signal provides reduced volume level transitions during blending from an analog component of the hybrid signal to the digital component by adjusting blend and cross-fade variables, as well as setting a hysteresis mode to prevent undesirable jumping from digital mode back to analog... Agent: Brinks Hofer Gilson & Lione

20070291878 - Digital broadcasting receiver having destination arrival information notification function and notification method using the same: A digital broadcasting receiver includes a gap filler information storage unit for storing information of locations of gap fillers and information of corresponding gap filler identifiers matched to the locations. The gap fillers are arranged at regular intervals in order to relay digital broadcasting data transmitted from a satellite. A... Agent: The Farrell Law Firm, P.C.

20070291877 - Digital signal receiver including wideband tunable antenna device: A digital tuner unit receiving a digital signal in a reception channel having a predetermined bandwidth is connected at a subsequent stage of an antenna device containing radiation conductors and varactor diodes. A digital reception signal output from the digital tuner unit is input to a demodulation circuit and subjected... Agent: Beyer Weaver LLP

20070291879 - Demodulation circuit and electronic device: To be capable of receiving many data without increasing a transfer speed. A wave detector detects a radio signal RF received by an antenna. The radio signal RF received by the antenna has been subjected to ASK modulation, for example, and by getting it through a lowpass filter or the... Agent: Arent Fox LLP

20070291880 - Radio receiver and a method thereof: Briefly, a radio receiver architecture and a method of measuring a power of a received signal to provide a first measurement, measuring a power of an assigned channel signal to provide a second measurement and adjusting a power of an input signal of an analog to digital converter according to... Agent: Pearl Cohen Zedek Latzer, LLP

20070291881 - Predictive signal cancellation for extracting 1 mb/s mil-std-1553 component from composite high performance 1553 signal: Method and apparatus for maximizing the usable bandwidth for High Performance 1553 terminals operating concurrently on the same physical bus with legacy 1 Mb/s MIL-STD-1553 terminals. More specifically, the method and apparatus provides implementation for predictive cancellation by synthesizing an estimate of the 1 Mb/s MIL-STD-1553 component of a composite... Agent: Volpe And Koenig, P.C.

20070291882 - Apparatus and method for detecting signal in multi-input multi-output system: A signal detection apparatus and method using a modified stack algorithm in a Multi-Input Multi-Output (MIMO) system are provided. The signal detection method includes sorting signals received via antennas and channel coefficients for respective users in descending order, decomposing a channel matrix composed of the sorted channel coefficients into a... Agent: JeffersonIPLaw, LLP

20070291883 - Method and apparatus for i/q imbalance compensation: Various embodiments are disclosed relating to a wireless transceiver. In an example embodiment, a method of compensating for phase imbalance and amplitude imbalance between corresponding in-phase signals and quadrature-phase signals includes providing a plurality of test tones of various frequencies to a receiver and determining, for each of the test... Agent: Brake Hughes Bellermann LLP

20070291884 - Oversampling and digitally filtering rfid signals: The disclosure includes a system and method for oversampling and digitally filtering RFID signals. In some implementations of the present disclosure, an RF receiver includes an ADC, a comb filter, and a mask filter. The ADC is operable to directly sample an RF signal independent of a band pass filter... Agent: Fish & Richardson P.C.

20070291885 - Asynchronous sampling system: A signal sampling system is presented. A first sampler samples a signal under test. At least one signal generator generates an asynchronous signal that is asynchronous to the signal under test. A second sampler samples a synchronous signal that is synchronous to the signal under test. A third sampler samples... Agent: Agilent Technologies Inc.

20070291886 - Self-timing method for adjustment of a sampling phase in an oversampling receiver and circuit: This invention discloses a self-timing method for phase adjustment. An analog signal is digitized at a first and second phase with respect to the symbols comprised in an analog signal in order to obtain first and second quantized samples. Then a first counter out of a first plurality of counters... Agent: Edwards Angell Palmer & Dodge LLP

20070291887 - Serial communication system with baud rate generator: A baud rate generator includes a first counter, a timer and a baud rate correcting circuit. The first counter is configured to count bits of an inputted serial data. The timer is configured to measure a time for which the first counter counts a predetermined number of bits based on... Agent: Mcginn Intellectual Property Law Group, PLLC

20070291888 - System and method for an adaptable timing recovery architecture for critically-timed transport applications: The present invention provides a timing recovery architecture and circuit for recovering the clock timing from a received signal in critically-timed transport applications. The present invention further relates to a timing recovery architecture and circuit for removing network-induced clock jitter and wander that occurs in a transport network during asynchronous... Agent: Clements Walker

20070291889 - Multi-mode vco for direct fm systems: Systems for multi-mode phase modulation are disclosed. Systems provide for direct modulation of a multi-mode voltage controlled oscillator (VCO). A fractional-N counter may be used in a phase-locked loop (PLL) to synthesize a radio frequency carrier signal. The multi-mode VCO may be characterized by a first frequency gain during operation... Agent: Cooley Godward Kronish LLP Attn: Patent Group

20070291891 - System and method for adjusting the phase of a frequency-locked clock: A clock signal regeneration system and method to adjust the phase of a frequency-locked clock signal is provided. The system includes a numerically controlled oscillator, a clock source, and an adder. In one embodiment, additional components are included in the system to ensure that underflow or overflow of the numerically... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20070291890 - System on chip for digital control of electronic power devices: An integrated digital controller for controlling power electronic devices and method of its use, comprises an analog-to-digital converting scanner module for scanning analog data inputs and used to create digital data correlated with the analog inputs, a loop control module operative to receive the digital data and used for controlling... Agent: Dr. Mark M. Friedman C/o Bill Polkinghorn - Discovery Dispatch

20070291892 - System and method for wave damping: A system and method of damping the ringing response of Band Pass Filters for use in impulse and single cycle modulation systems which are capable of carrying a high data rate and which are severely affected by the ringing response of the Band Pass Filter.... Agent: Dennis L. Cook, Esq. The Law Offices Of Dennis L Cook PLLC

20070286260 - System and method for shaping ultra wide bandwidth signal spectrum: A method and system shapes a spectrum of an impulse radio signal, such as an UWB signal. First, basis pulses at various frequencies and pseudo-random delays are generated. The generated set of basis pulses are then weighted and delayed, and combined linearly to conform the spectrum of the transmitted basis... Agent: Mitsubishi Electric Research Laboratories, Inc.

20070286261 - Method and system for a variable spreading factor walsh hadamard transform engine: Aspects of a method and system for a variable spreading factor Walsh Hadamard Transform engine are presented. Aspects of the system may include a variable spreading factor Fast Walsh Hadamard Transform engine that enables spread spectrum encoding of data from each of a plurality of data sources. A plurality of... Agent: Mcandrews Held & Malloy, Ltd

20070286262 - Reference clock compensation in dvb-h receivers: A wireless receiver providing multiple services (FIG. 3) is disclosed. The wireless receiver includes an oscillator circuit (304, FIG. 4) arranged to produce a reference frequency (308). A first receiver (302) receives a first signal (300) having a first carrier frequency in response to the reference frequency. A second receiver... Agent: Texas Instruments Incorporated

20070286263 - Satellite receiver: Systems and techniques for receiving a satellite signal wherein the signal is demodulated and iterative decoded. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure.... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20070286264 - Interference reduction in spread spectrum receivers: The specification and drawings present a new method, system, apparatus and software product for reducing a narrowband or continuous wave (CW) interference of weak radio frequency signals (e.g., code modulated) in the spread spectrum receivers. A tuneable digital band-reject filter can be placed inside of a receiving and processing module... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20070286265 - Reception of a spread spectrum modulated signal: The present invention relates to a receiver for receiving a spread spectrum modulated signal, comprising a sampler for forming samples of a received signal, at least one reference code block for generating at least first and second reference codes, and a correlation block. The correlation block forms first and second... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20070286266 - Sideways-fed transmitter: An apparatus for transmitting and receiving data via a transmission medium. The apparatus includes a local receiver and a local transmitter. The local receiver receives an incoming data signal transmitted through the transmission medium by a remote transmitter and derives from the incoming data signal one or more processing parameters... Agent: Mendelsohn & Associates, P.C.

20070286267 - Rf power sensor: A power meter having a sample and hold circuit, a trigger signal generator, and a data processor is disclosed. The sample and hold circuit receives an input signal, V(t), and generates a measurement of that signal at a time determined by a trigger signal that is generated by the trigger... Agent: Agilent Technologies Inc.

20070286268 - Digital phase locked loop: Digital communication signals that encode information in the phase may be susceptible to phase error from many sources. A device corrects for carrier and sampling phase errors, as well as additive phase noise. A digital phase locked loop simultaneously tracks the carrier phase error and the sampling phase error, and... Agent: Shumaker & Sieffert, P. A.

20070286269 - Spectrum analyzer with remote control link: A spectrum analyzer has a measurement subsystem and a separable front panel (user) interface subsystem. The measurement subsystem includes a first power source, a high-frequency input port, a radio frequency receiver, an intermediate frequency section, a first processor, a first transceiver, and a first RF port coupling radio signals to... Agent: Agilent Technologies Inc.

20070286271 - Apparatus for filtering signals: An integrated circuit having a filter apparatus for filtering a first symbol sequence is disclosed. The first symbol sequence has a predetermined symbol duration. The apparatus includes at least one delay device which is clocked in accordance with a clock, and configured to delay the first symbol sequence by a... Agent: Dicke, Billig & Czaja

20070286270 - Read channel apparatus and method for an optical storage system: A read channel apparatus is disclosed for reading data recorded on an optical storage system at a predetermined baud rate. The apparatus asynchronously samples an analog read signal generating from the optical storage system and subtracts an estimated DC offset from the asynchronous sample values to generate a sequence of... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070286273 - Circuit and method for pulse width modulation by means of synchronized, self-oscillating pulse width modulators: A pulse width modulator circuit has two self-oscillating pulse width modulators and a synchronization circuit for synchronizing the two self-oscillating pulse width modulators. It also comprises an auxiliary-signal generating circuit for generating an auxiliary signal which is coupled into the two self-oscillating pulse width modulators.... Agent: Slater & Matsil LLP

20070286272 - Method and system for fast acquisition of ultra-wideband signals: A system and method are provided that can detect any part of a multipath impulse radio signal. More specifically, the method compares a template pulse train and the multipath impulse radio signal to obtain a comparison result. The system performs a threshold check on the comparison result. If the comparison... Agent: SprinkleIPLaw Group

20070286274 - Apparatus and method of low latency multi-hop communication: Aspects include methods and apparatuses for communicating in an ultra-wideband transmission. For example, some aspects include methods and apparatuses for multi-hop communication. For example, some aspects include a method of communicating data. The method includes receiving pulses indicative of a frame during a first time period and transmitting pulses indicative... Agent: Qualcomm Incorporated

20070286275 - Integated circuit for video/audio processing: The integrated circuit comprises a microcomputer block 2 including a CPU, a stream I/O block 4 for inputting/outputting video and audio streams to and from an external device, a media processing block 3 for executing the media processing including at least one of the compression and decompression of the video... Agent: Greenblum & Bernstein, P.L.C

20070286276 - Method and decoding device for decoding coded user data: In on aspect, user data is decoded which has been coded as base data and refining data, wherein the base data is decoded using a first delay and the refining data is decoded using a second delay which is longer than the first delay. Furthermore, a check establishes whether the... Agent: Siemens Corporation Intellectual Property Department

20070286277 - Method and system for video compression using an iterative encoding algorithm: Certain aspects of a method and system for video compression using an iterative encoding algorithm are disclosed. Aspects of a method may include modifying dynamically, a coding rate of at least a portion of received video data based on at least one quantized vector, during bit rate compression of the... Agent: Mcandrews Held & Malloy, Ltd

20070286278 - Digital image encoding: An apparatus and method for limiting bit rate of compressed data is disclosed. The apparatus and method allows the generation of parameters for encoding digital image data based on the data bit rate resulting from the use of different parameters. In one embodiment, a statistical analysis is performed to determine... Agent: Qualcomm Incorporated

20070286280 - Image coding/recording apparatus and image coding/recording method: The invention provides an image coding/recording apparatus which can solve problems of large processing loads due to the real-time re-coding and problems of complicated controls and circuits for returning processing. The image coding/recording apparatus according to an aspect of the invention codes and records image data. The image coding/recording apparatus... Agent: Wenderoth, Lind & Ponack L.L.P.

20070286279 - Information transmission apparatus and information transmission method: An information transmission apparatus that transmits data whose generation amount per unit time changes is provided. If a data amount that exceeds a predetermined threshold is generated, an excess data portion, which is a portion of a piece of data, the portion being of a data amount by which the... Agent: Canon U.s.a. Inc. Intellectual Property Division

20070286281 - Picture information encoding apparatus and picture information encoding method: In a picture information encoding apparatus that outputs picture compression information according to a picture encoding system such as MPEG4/AVC, when it is determined whether the mode of a predetermined block is a skip mode or a spatial direct mode, moving vector information and so forth for all of predetermined... Agent: William S Frommer Fromme Lawrence & Haug

20070286282 - Method and apparatus for variable accuracy inter-picture timing specification for digital video encoding with reduced requirements for division operations: A method and apparatus for performing motion estimation in a digital video system is disclosed. Specifically, the present invention discloses a system that quickly calculates estimated motion vectors in a very efficient manner. In one embodiment, a first multiplicand is determined by multiplying a first display time difference between a... Agent: Kenyon & Kenyon LLP

20070286284 - Image coding apparatus and image coding method: The present invention provides an image coding apparatus and an image coding method for reducing arithmetic processing while keeping a high compression ratio. A coding process necessary for the bi-prediction motion search can be effectively reduced by determining a block size for a bi-prediction motion search or a center position... Agent: Mcdermott Will & Emery LLP

20070286287 - Method and apparatus for improving quality of composite video signal and method and apparatus for removing artifact of composite video signal: A method of improving picture quality in a composite video burst signal includes dividing the composite video burst signal into a plurality of frequency bands using a low pass filter and a high pass filter, performing wavelet packet filtering of frequency bands including a chrominance signal having energy higher than... Agent: Sughrue Mion, PLLC

20070286285 - Motion picture processing device: A motion picture processing device has: an input circuit having a buffer memory, an image data taking-in section and a bus interface; a motion estimation circuit; an encoding circuit; and a failure control circuit having a counter and an enabling signal outputting section. When an enabling signal is supplied, the... Agent: Nixon Peabody, LLP

20070286283 - Method and apparatus for complexity scalable video encoding and decoding: There are provided scalable complexity video decoder and encoders for respectively decoding and encoding a video bitstream. A scalable complexity video decoder includes a first combiner, a second combiner, and a deblocking filter. The first combiner is for combining full resolution motion compensated predictions and decoded upsampled base layer residuals... Agent: Joseph J. Laks, Vice President Thomson Licensing LLC

20070286286 - Method and system for video encoding and transcoding: A method of removing a motion vector from a group of motion vectors used in an encoding process includes providing a list of motion vectors, selecting an initial motion vector from the list of motion vectors, and providing an intermediate motion vector using a motion vector refinement process. The motion... Agent: Townsend And Townsend And Crew, LLP

20070286288 - Parallel batch decoding of video blocks: The disclosure describes video decoding techniques that utilize parallel processor technology in order to accelerate the decoding processes of image frames. The techniques include defining batches of video blocks to be decoded in parallel with one another. According to this disclosure, a method may comprise defining a first batch of... Agent: Qualcomm Incorporated

20070286289 - Information-processing apparatus, information-processsing method, recording medium and program: Disclosed herein is an information-processing apparatus for splicing an encoded stream at a splicing point set on the encoded stream, the information-processing apparatus including, a decoding unit configured to decode a part included in a re-encoding section as a part including the splicing point in order to generate a base... Agent: Frommer Lawrence & Haug LLP

20070286290 - Mosquito reduction filter in standard definition and high definition digital decoders: A method for processing a compressed signal of digital video is disclosed. The method generally includes the steps of (A) generating a decompressed signal by decompressing the compressed signal of digital video, (B) generating a filtered signal by spatial filtering the decompressed signal, wherein the spatial filtering is arranged to... Agent: Lsi Corporation

20070286291 - Dtv transmitting system and receiving system and method of processing broadcast signal: A television transmitting system includes an encoder, a data randomizing and expanding unit, a group formatter, a deinterleaver, and a packet formatter. The encoder codes enhanced data for error correction, permutes the coded data, and further codes the permuted data for error detection. The randomizing and expanding unit randomizes the... Agent: Lee, Hong, Degerman, Kang & Schmadeka

20070286292 - Turbo decoding with iterative estimation of channel parameters: Method and decoding device for decoding a convolutionally coded input data signal y. The input data signal is multiplied with a scaling factor Lc(8) and then demultiplexed (6). The demultiplexed input data signal LcS is then turbo decoded (5) in order to obtain decoder output likelihood ratio data Λ. The... Agent: Ericsson Inc.

20070286293 - High performance resonant element: A circuit includes an input signal line, a high performance resonant element connected to the input signal line, and an output signal line connected to the high performance resonant element. The high performance resonant element is a via.... Agent: Mcginn Intellectual Property Law Group, PLLC

20070286294 - Method for controlling/regulating a physical quantity of a dynamic system, in particular a micromechanical sensor: A method for controlling/regulating a physical variable of a dynamic system to a specific desired value profile with use made of a pulse modulator that generates a sequence of discrete modulation signals that affect the control or regulation of the physical variable. The method involves repeated execution of: determining an... Agent: Elliott N Kramsky

20070286295 - Method and apparatus to cancel interference over a group of signals: A system and method for canceling interference over a group of signals. One or more wires in a group of wires are designated to carry one or more reference signals. The one or more reference signals are used to cancel interference from the data carrying signals in the group of... Agent: Merek, Blackmon & Voorhees, LLC

20070286296 - Method for serially transmitting data between a transmitter and a receiver: The invention pertains to a method of serially transmitting data between a transmitter and a receiver, the data being expressed by means of predefined words wherein consecutive bits, each bit being in a determined logic state out of two possible logic states. Changes of logic state between two bits transmitted... Agent: Lowe Hauptman & Berner, LLP

20070286298 - Doppler frequency determination for mobile wireless devices: A technique for Doppler frequency estimation in Orthogonal Frequency Division Multiplexing (OFDM) systems. A frequency domain approach may be applied to any OFDM because it utilizes pilot subcarriers, and thus does not increase the system overhead. An estimator may be implemented as a relatively low-complexity finite impulse response (FIR) filter... Agent: Blakely Sokoloff Taylor & Zafman

20070286297 - Method for co-channel interference suppression in orthogonal frequency division multiplexing (ofdm) systems with multiple receiving antennas: A method for co-channel interference suppression in Orthogonal Frequency Division Multiplexing (OFDM) systems with multiple receiving antennas is provided, wherein the co-channel interference (CCI) in different directions is suppressed by the spatial technique provided by the antenna arrays, and the interference to a desired carrier caused by other sub-carriers is... Agent: Birch Stewart Kolasch & Birch

20070286299 - Method for transferring data from a first telecommunication device to a second telecommunication device: The present invention concerns a method and a device for transferring, by a first telecommunication device, data to a second telecommunication device through a telecommunication network using multiple carrier frequencies. The first telecommunication device: maps the data on first carrier frequencies of plural consecutive groups of first carrier frequencies, each... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070286300 - Modified dual symbol rate for uplink mobile communications: The specification and drawings present a new method, system, apparatus and software product for using a new modified dual symbol rate (MDSR) in an uplink direction in mobile communication systems. The communication between the mobile station and the network element may be performed within evolved GSM/EDGE radio access networks. The... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20070286301 - Modulation device, modulation method, and demodulating device: A modulating device capable of generating an OFDM signal and having a drastically improved frequency use efficiency. The modulating device has modulators (6, 8 (11, 13, 106, 108, 111, 113)) for modulating a signal to be modulated and having a Nyquist roll-off frequency characteristic with a carrier frequency having a... Agent: Stevens, Davis, Miller & Mosher, LLP

20070286304 - Method of transmitting and receiving data using precoding codebook in multi-user mimo communication system and transmitter and receiver using the method: Provided are a data transmitting and receiving method for a multiple-input multiple-output (MIMO) communication system, and a transmitter and a receiver using the method. Accordingly, since precoding matrices of a codebook is constituted using a rotation matrix, expansion of the codebook is easy, and since each of the precoding matrices... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.

20070286302 - Pre-coding method for providing diversity gain in orthogonal frequency division multiplexing system and transmission apparatus and method using the pre-coding method: A pre-coding method for improving diversity gain in an Orthogonal Frequency Division Multiplexing (OFDM) system and a transmission apparatus and method are disclosed. The transmission method includes converting an input transmission signal into parallel signals, pre-coding the parallel signals with a predetermined frequency offset, performing Inverse Discrete Fourier Transform (IDFT)... Agent: The Farrell Law Firm, P.C.

20070286303 - Wireless communication system, wireless communication apparatus, and wireless communication method: A wireless communication system is disclosed. The system performs data transmission from a first terminal including N antennas to a second terminal including M antennas using spatially multiplexed streams (N and M are integers larger than or equal to 2).... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070286305 - Transmitting apparatus of digital signals on a supply line of electronic devices and corresponding method: A power converter having a noise component and a modulator configured to vary a frequency of the noise component of the power converter on the basis of a digital signal to be transmitted.... Agent: Seed Intellectual Property Law Group PLLC

20070286306 - Frontend module having two inputs for the reception of transmitted signals: A frontend module includes a first and a second input for transmitted signals, an amplifier, a bypass line for bypassing the amplifier, an output and a switching unit. The switching unit either forms a signal path between the first input and the output, in which the amplifier or the bypass... Agent: Slater & Matsil LLP

20070286307 - Distortion compensating apparatus: A distortion compensating apparatus has an IQ imbalance compensation coefficient arithmetic circuit 31 for calculating, from correlation values of a transmission signal and a feedback signal, IQ imbalance compensation coefficients for compensating for IQ imbalance in a quadrature modulator 23; and an IQ imbalance compensator 21 for compensating for the... Agent: Birch Stewart Kolasch & Birch

20070286308 - System and method for modulated signal generation method using two equal, constant-amplitude, adjustable-phase carrier waves: This invention describes a system and a method to generate a modulated signal of an arbitrary angle and magnitude using two equal constant-amplitude carrier waves, each with adjustable-phase angles. The modulated signal is vector sum is created by combining the first carrier wave with the second carrier wave, where the... Agent: Thomas H. Williams

20070286309 - Digital broadcast receiving device and controlling method for the same: A digital broadcast receiving device comprises a receiving part for receiving a digital broadcast signal including first identifying information and a control part, and the control part compares the first identifying information included in the digital broadcast signal received at the receiving part and second information included in the digital... Agent: Mcdermott Will & Emery LLP

20070286312 - Apparatus, method and computer program product providing iterative recursive least squares (rls) algorithm for coded mimo systems: A method embodiment receives a symbol vector on a plurality of channels. For each of the channels, the channel and a normalized frequency offset of the channel is estimated. Also for each of the channels, a soft decision value of the symbol vector is determined. An iterative recursive least squares... Agent: Harrington & Smith, PC

20070286311 - Communications system comprising channelized receiver: A communications system comprising a channelized receiver is provided. In some embodiments, the system extends the capabilities of the channelized receiver, enabling the system to perform electronic surveillance monitoring (ESM) or relay functions. As such, the system may be employed to receive, process and provide information to downstream devices. In... Agent: Lockheed Martin Corporation C/o Wolf, Greenfield & Sacks, P.C.

20070286310 - Wireless communication apparatus and wireless communication method: A wireless communication method of repetition system and the like for ensuring that when the same data symbols are combined, a diversity gain is achieved. In a step (ST 420), a data symbol placing part (105) decides destination places of respective replicated data symbols (S1-S4) such that the same data... Agent: Stevens, Davis, Miller & Mosher, LLP

20070286313 - Parallel soft spherical mimo receiver and decoding method: A method and system for detecting and decoding multiple signals. A low-complexity MIMO detector that combines sphere decoding and m-algorithm approaches, while accounting for the effect of channel condition on the decoding operation, is provided. Taking into account the channel condition effectively controls the size of the search tree, and... Agent: Borden Ladner Gervais LLP Anne Kinsman

20070286314 - Digital receiver synchronization: A method is disclosed, including identifying a preamble in a frame, where the preamble has a preamble length 1. M data items received in succession are stored. The m data items once divided into n portions, where the data items in each portion have respectively been received at successive times... Agent: Dicke, Billig & Czaja

20070286315 - Digital signal processor, receiver, corrector and methods for the same: A digital signal processor, a receiver, a corrector, and methods for the same are provided. An analog circuit may output sample data based on received input data. A digital circuit may generate a baseline wander error based on the sample data and output data output from the digital circuit. A... Agent: Harness, Dickey & Pierce, P.L.C

20070286316 - Semiconductor integrated circuit device: At least one capacitor cell for absorbing noise on a power supply voltage and a ground potential are arranged between at least one logic cell which configures a semiconductor integrated circuit and a power supply main line for supplying a power supply voltage to the logic cell. The power supply... Agent: Nixon Peabody, LLP

20070286317 - High data rate demodulation system: The demodulation process of a wireless data transmission system using multi-level symbols makes use of templates corresponding to each of the possible symbol transitions, so that knowledge of previously decoded symbols can be use to decode the next one. An estimation and correction loop provides for initial estimation of the... Agent: Nixon & Vanderhye, PC

20070286318 - Syncrhonous detecting circuit: A synchronous detection circuit includes: an interpolation circuit for regulating an interpolation calculation coefficient based on phase shift information when carrying out an interpolation calculation processing over a received signal which is digitally converted; a secondary sampling circuit for sampling interpolation data output from the interpolation circuit by using a... Agent: Stevens, Davis, Miller & Mosher, LLP

20070286319 - Bidirectional communication system and calibrator: A master station includes a group of circuits for performing an optimization method. In such a system, the optimization is achieved by adjusting the pull-up resistance and by setting the best possible clock frequency to ensure that data/clock high and low voltage levels are within predetermined specifications. An optimization procedure... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20070286320 - Eliminating receiver clock drift caused by voltage and temperature change in a high-speed i/o system that uses a fowarded clock: Integrated circuits include clock deskew circuitry. The clock deskew circuitry, at the receiver side, receives data signals and a forwarded clock signal from a transmitter. The receiver detects a clock drift in a receiver clock tree, and transmits the detected clock drift to the transmitter. Based on the detected clock... Agent: Blakely Sokoloff Taylor & Zafman

20070286321 - Linear sample and hold phase detector for clocking circuits: Linear sample and hold phase detectors are disclosed herein. An example phase detector is coupled to an input data signal and a recovered clock signal and includes a linear phase difference generator circuit and a sample and hold circuit. The linear phase difference generator includes a first input coupled to... Agent: David B. Cochran, Esq. Jones Day

20070286323 - Clock distribution circuit, semiconductor integrated circuit and method of designing clock distribution circuit: A clock distribution circuit, which is provided in IC that has a first sequential circuit receiving first clock through a first branch node on a first clock network, a second sequential circuit receiving second clock through a second branch node on a second clock network, and a data transfer path... Agent: Sughrue Mion, PLLC

20070286322 - Wander generator, and digital line tester and phase noise transfer characteristic analyzer using the same: A wander generator has a random number signal generator unit, a filter unit, a clock generator unit, a modulator unit, and a setting unit. The random number generator unit sequentially generates random number signals comprised of a plurality of bits at a constant speed in accordance with a predetermined algorithm.... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070280332 - Systems and techniques for radio frequency environment awareness and adaptation: Various embodiments directed to a radio frequency (RF) environment aware wireless communication device to analyze interference characteristics of at least one interferer in the presence of interference in an RF communications channel and to selectively perform one or more adaptation mechanisms for adjusting properties of a communications protocol based on... Agent: Kacvinsky LLC C/o Intellevate

20070280333 - Coherent cooperative uwb communication system: This invention relates to a distributed space-time coding method for a UWB pulse telecommunication system wherein a source terminal transmits a signal to a destination terminal during a transmission interval constituted by K frames, K≧1, each frame being divided into a first and a second half-frame, the signal transmitted in... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070280334 - Method and device for dynamic spectrum management of xdsl upstream and downstream shared frequency: The present invention discloses a method of xDSL upstream and downstream shared frequency dynamic frequency spectrum management comprising the following steps: Step a. Generate all feasible combinations of subchannels in both upstream and downstream directions for an xDSL line; Step b, Determine which combination of said combinations has an optimal... Agent: Townsend And Townsend And Crew, LLP

20070280335 - Multi-input multi-output system and method for demodulating a transmitting vector in a receiver of the system: Provided is a receiver of a multi-input multi-output system using multiple antennas, the receiver including: a first multiplying unit for multiplying a vector r received via the antenna by a Hermitian matrix Q; a candidate transmitting vector generating unit for detecting a signal on a lowest modulation order transmitting antenna... Agent: Ladas & Parry LLP

20070280336 - Constrained optimization based mimo lmmse-sic receiver for cdma downlink: A system according to embodiments of this invention provide a multiple transmit antenna (117-1 . . . M), multiple receive antenna (121-1 . . . N) (MIMO) receiver (125) design for the communication downlinks such as those used in CDMA technology. Two algorithms referred to as the MIMO LMMSE-FFT and... Agent: Harrington & Smith, PC

20070280337 - Measurement of baseband timing in a spread spectrum communications system: Systems, apparatuses, and methods for providing timing estimates of received signals are disclosed. In one embodiment, sub-chip timing in spread spectrum signals can be achieved without requiring oversampling in the receiver. A transmitter can adjust the timing of certain transmitted symbols by a fraction of a chip time from an... Agent: Trellis Intellectual Property Law Group, PC

20070280340 - Apparatus and method for uplink channel sounding in a wireless communication system: An uplink channel sounding apparatus and method in a wireless communication system are provided, in which in an MS, a baseband MODEM generates as many channel sounding signals as the MS has antennas and outputs the channel sounding signals to an antenna switch. The antenna switch switches the channel sounding... Agent: The Farrell Law Firm, P.C.

20070280338 - Method and apparatus for reduced noise and carrier feedthrough in multimode transmitter: A high dynamic range low noise direct conversion transmitter within a multimode apparatus having multiple transmit and receive operating modes is described. The direct conversion transmitter can include a digital baseband coupled to a low noise direct conversion stage. A high dynamic range current folding digital to analog converter can... Agent: Townsend And Townsend And Crew, LLP

20070280339 - Methods and systems for determining communication parameters: One embodiment of the present invention relates to a method of determining an impulse noise protection parameter in a communication system. In the method, it is determined if a first set of received data elements are corrupted so as to exceed an initial corruption threshold. It is then determined if... Agent: Eschweiler & Associates, LLC National City Bank Building

20070280341 - System and method for the adjustment of offset compensation applied to a signal: In one embodiment of the present invention, a method for adjusting a signal includes receiving an input data signal and applying an offset compensation to the input data signal to generate an output signal. The method also includes, using a clock signal, sampling the output signal to generate a plurality... Agent: Baker Botts L.L.P.

20070280342 - System and method for the adjustment of compensation applied to a signal: In one embodiment of the present invention, a method for adjusting a signal includes applying at least one of a loss compensation for frequency-dependent distortion and an offset compensation for DC-offset distortion to a signal before or after the distortion occurs to generate an output signal, the output signal comprising... Agent: Baker Botts L.L.P.

20070280343 - Reliable startup and steady-state of estimation based cdr and dfe: An apparatus and methods for recovering a clock and a data stream from a source synchronous input data stream are disclosed. The apparatus comprises a filter, a decision feedback equalizer (DFE), a phase error detector, and a clock generator. The input data stream is coupled to the filter and the... Agent: Mhkkg/sun

20070280344 - Semiconductor device: A semiconductor device includes a transmitting unit for receiving plural bits of data to modulate the data to a 1-bit pulse signal whose pulse width corresponds to a value of the data and transferring the pulse signal to a transfer line; and a receiving unit for receiving the pulse signal... Agent: Mcdermott Will & Emery LLP

20070280345 - Flexible data organization for images: A system, a method and computer-readable media for organizing a bitstream of compressed data that represents an image. The image may be partitioned into independently decodable regions. The portion of the compressed bitstream associated a selected region is decoded. This decoding yields a series of transform coefficients. Areas of the... Agent: Shook, Hardy & Bacon L.L.P. (c/o Microsoft Corporation)

20070280346 - Flexible data organization for images: A system, a method and computer-readable media for encoding image data into a compressed bitstream. A mode selection component is configured to select a mode of operation for use in encoding image data. A spatial mode encoder is utilized when the mode selection component selects a spatial mode of operation.... Agent: Shook, Hardy & Bacon L.L.P. (c/o Microsoft Corporation)

20070280348 - Picture coding apparatus and method: A moving picture coding apparatus divides each frame of a moving picture into parts and assigns the parts to different coding units, which compressively code their respective parts. The coding process includes motion compensation with respect to a reference frame. Each coding unit has its own reference frame memory. To... Agent: Rabin & Berdo, PC

20070280349 - Scalable rate control system for a video encoder: A rate control system for a video encoder including rate control logic which determines a first QP corresponding to a selected encoding layer of multiple encoding layers, and scaling logic configured to scale the first QP to a second QP corresponding to any other encoding layer based on at least... Agent: The Law Offices Of Gary R. Stanford

20070280350 - Method of assigning priority for controlling bit rate of bitstream, method of controlling bit rate of bitstream, video decoding method, and apparatus using the same: A method of assigning a priority for controlling a bit rate of a bitstream having a plurality of quality layers is provided. The method includes composing first quality layers for a reference picture, composing second quality layers for a current picture that is encoded with reference to the reference picture,... Agent: Sughrue Mion, PLLC

20070280347 - Video signal transmitting method: An exemplary video signal transmitting method includes steps of: an apparatus receiving video images; coding and compressing the video images by an encoder; converting the coded compressed video images into electrical video signals by a central processing unit; detecting a network card of the apparatus to generate a control signal;... Agent: PCe Industry, Inc. Att. Cheng-ju Chiang Jeffrey T. Knapp

20070280351 - Method for progressive lossless video coding, method for progressive lossless video decoding, progressive lossless video coding apparatus, progressive lossless video decoding apparatus, progressive lossless video coding program, progressive lossless video: Highly efficient lossless decoding is realized under the condition that codes transmitted as a base part are compatible with the H.264 standard. An orthogonal transformation section (12) performs orthogonal transformation of residual signals (Rorig), acquires transform coefficients (Xorig), and a quantization section (13) quantizes the transform coefficients. An existential space... Agent: Harness, Dickey & Pierce, P.L.C

20070280353 - Picture coding device: A picture coding device includes a motion prediction unit, an intra picture prediction unit, and an input selection unit. The input selection unit a smaller one of a motion total obtained by adding a motion residual and a value into which a motion vector is coded and an intra picture... Agent: Wenderoth, Lind & Ponack L.L.P.

20070280352 - Recursive filtering of a video image: A method of recursive filtering of a video image includes storing an image 20 comprising picture elements. Luminance and chrominance weightings are assigned for weighting neighbouring picture elements to a picture element in a current image 10 and for the stored image 20. A sum of differences is calculated between... Agent: Seyfarth Shaw LLP

20070280354 - Method and apparatus for encoding/decoding a first frame sequence layer based on a second frame sequence layer: In one embodiment of a method of decoding a first frame sequence layer, at least one motion vector of an image block in a frame of the first frame sequence layer is determined based on scaling a motion vector for an image block in a frame of a second frame... Agent: Harness, Dickey & Pierce, P.L.C

20070280355 - Processing of video image: The present invention relates to a video image processor (1) that is configured to compare (7) a single frame included in the received video signal (3) with a preceding processed frame so as to detect changes. In order to enable the video being compressed in as compact a format as... Agent: Birch Stewart Kolasch & Birch

20070280356 - Method for video coding conversion and video coding conversion device: The present invention discloses a method of video coding conversion, which includes: decoding a video frame of the first coding mode into an image of standard intermediate format while determining whether the video frame is a reference frame or prediction frame and recording the recognition result; coding the image of... Agent: Harness, Dickey & Pierce, P.L.C

20070280357 - Device for video decompression and display: A device of decompressing video data, scaling the image and displaying to a displaying device significantly reduces the power consumption. The compressed video data is reconstructed and temporarily compressed before storing into a temporary display frame buffer and decompressed before displaying in a display device. A video data is partially... Agent: Chih-ta Star Sung Rm. 308, Bld. 52, No. 195

20070280358 - System and method of transmission and reception of progressive content with isolated fields for conversion to interlaced display: Systems and methods of coding progressive content with isolated fields for conversion to interlaced display are provided. Some systems and methods may find use in, for example, digital video compression systems and methods. Film material may be encoded as video material with an intended field polarity and an explicit 3:2... Agent: Mcandrews Held & Malloy, Ltd

20070280359 - Recursive filtering a video image using activity mapping: where 1≦σ≦128, 1 ≦σr ≦64 and ρ, τ, α, and β are empirical constants, and selecting a value of λ to scale a relative contribution to the value of K by the luminosity variance and the noise variance. The image is recursively filtered using the proportional parameter K to sum... Agent: Seyfarth Shaw LLP

20070280361 - Method of transmitting/playing multimedia data over wireless network and wireless device using the method: A method and apparatus for efficiently transmitting large multimedia data over a wireless network are provided. A wireless device includes a device information reading unit which receives and reads information regarding available capabilities of devices included in a wireless network; a control unit which selects a first device which can... Agent: Sughrue Mion, PLLC

20070280360 - Method of processing received signals in a multi-input multi-output (mimo) system: A method of processing data by using a plurality of antennas and by applying weight to each signal received via a corresponding antenna in a wireless communication system is disclosed. More specifically, the method includes estimating a channel matrix corresponding to the received signal and dividing columns of the channel... Agent: Lee, Hong, Degerman, Kang & Schmadeka

20070280366 - Channel estimation: A receiver including a channel estimation function in which an initial channel estimate is filtered to increase receiver operation, particularly when the receiver may only have a limited number of channel estimation symbols with which to form the channel estimate. In some embodiments the filtering is performed by transforming the... Agent: Christie, Parker & Hale, LLP

20070280363 - Enhanced channel estimation for communication system receiver: An embodiment of the present invention is a technique to process signals in a communication system. A channel impulse response (CIR) generator generates a time-domain windowed CIR from a received signal using a window function. A thresholder thresholds the time-domain windowed CIR. A compensator compensates window effect for the thresholded... Agent: Blakely Sokoloff Taylor & Zafman

20070280362 - Method for controlling the signal gain of a multiband orthogonal frequency division multiplexing (mb-ofdm) baseband receiver: The invention provides a method for controlling the signal gain of a MultiBand Orthogonal Frequency Division Multiplexing (MB-OFDM) baseband receiver. The symbol boundary of a signal is first detected. Power of the signal is then measured according to the symbol boundary, so that a zero-padding section of the signal is... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070280364 - Ofdm receiver, interference wave discernment method, window control apparatus and window control method: An OFDM receiver according to the present invention judges whether or not a delay amount (i.e., a first delay amount) of a transmission path detected from scattered pilot information existing in an OFDM signal of a frequency domain by referring to peak position information obtainable from OFDM signals of the... Agent: Staas & Halsey LLP

20070280365 - Transmitter and transmission method: A transmitter includes a time/frequency-domain converter that converts a time-domain data signal to a frequency-domain data signal of a fixed number; a subcarrier allocator that allocates the obtained frequency-domain data signal to any of subcarriers, the number of which exceeds the fixed number, the subcarriers being allocated in a predetermined... Agent: Bingham Mccutchen LLP

20070280367 - Method for deriving weight vectors to be used at the time of transmitting signals from a plurality of antennas, and transmitting apparatus and communication system utilizing said method: A plurality of antennas transmit multicarrier signals composed of a plurality of streams. An IF unit acquires, per carrier, a channel matrix having elements the number of which is determined by the number of a plurality of transmitting antennas and the number of a plurality of receiving antennas provided in... Agent: Mcdermott Will & Emery LLP

20070280368 - Method and apparatus for correcting data transmission errors: A wireless communication device corrects data transmission errors caused by the simultaneous transmission of multiple streams of data in a Multiple-Input Multiple-Output (MIMO) network. The wireless communication device corrects data transmission errors by removing the signal contribution associated with one or more received signal components from a corresponding received composite... Agent: Coats & Bennett, PLLC

20070280369 - Systems and methods for active noise cancellation in an rfid tag reader: Systems and methods for providing active noise cancellation in an RFID tag reader are described. In one aspect, the method features increasing the signal-to-noise-plus-interference ratio of a radio frequency tag response. The method includes receiving, with a first antenna element of a radio frequency tag reader, a radio frequency tag... Agent: Choate, Hall & Stewart LLP

20070280372 - Fully saturated multi-tone transceiver: The present invention provides a method and system for transmitting a multi-frequency signal composed of discrete tones of constant envelope parts that are amplified by a bank of fully saturated transmitters operating in their most power efficient mode. After amplification and transmission, the signals are multiplexed in the air as... Agent: Tyco Technology Resources

20070280371 - Iterative receiving method for a mimo system, and corresponding receiver and computer program: The disclosure relates to a method for receiving a data signal by NR receiving antennas. The data signal undergoes, before transmission, a channel coding and is transmitted on NT antennas each transmitting a portion of this signal. Upon reception the transmission channel between the transmitting antennas and the receiving antennas... Agent: Westman Champlin & Kelly, P.A.

20070280370 - Multiple input/multiple output communication method based on distributed transmission sources: A MIMO method based on distributed transmission sources for transmitting a downlink data stream between M transmitting antennas and a mobile terminal having P receiving antennas, M and P>1, channels from at least two transmitting antennas to one of receiving antennas have different multipath distributions, said method comprises transmitting corresponding... Agent: Ladas & Parry

20070280373 - Phase shift based precoding method and transceiver for supporting the same: A method of transmitting data using a generalized phase shift based proceding or an extended phase shift precoding scheme in a multiple-antenna system using a plurality of subcarrier and a transceiver for supporting the same are disclosed. A phase shift based precoding matrix may be generalized and determined by a... Agent: Lee, Hong, Degerman, Kang & Schmadeka

20070280374 - Modulation circuit device, modulation method and radio communication device: The amplitude modulator comprises: an angle modulator for angle-modulating a phase signal to be inputted; a waveform shaping means in which, (1) when the magnitude of an amplitude signal to be inputted becomes smaller than a first prescribed value, a waveform of the amplitude signal is shaped so that the... Agent: Ratnerprestia

20070280375 - Pulse shaping which compensates for component distortion: A method is provided for defining a pulse function shape for acting on a data stream for transmission in a telecommunication system which compensates for distortion by a component of the transmitter. The method comprises defining desired cost parameters (e.g. error functions for amplitude, BER, bandwidth, energy, AFC) and defining... Agent: Alston & Bird LLP

20070280376 - Power regulator: Method and system of power regulating, such as but not limited to attenuating signal power levels. The power regulating being suitable for use in any number of application, environments, and circuits, including but not limited to those associated with a universal garage door opener (UGDO), remote keyless entry (RKE) unit,... Agent: Brooks Kushman P.C. / Lear Corporation

20070280377 - Apparatus and method for controlling the output power of a transmitter using a pilot channel power level: t

20070280378 - Method and system for communication spectral backward compatibility: Communications method including the procedures of modulating a second generation carrier signal, with a first generation Baseband bandwidth signal, when transmitting to first generation devices, and, modulating the second generation carrier signal, with a second generation Baseband bandwidth signal, when transmitting to second generation devices, wherein the first generation Baseband... Agent: Darby & Darby P.C.

20070280380 - Method and device for compensating inphase-quadrature (iq) imbalance: A method for compensating Inphase-Quadrature (IQ) imbalance in a receiver includes: generating a gain compensation parameter, a first phase compensation parameter, and a second phase compensation parameter according to a first signal on the I path and a second signal on the Q path of the receiver; and performing compensation... Agent: North America Intellectual Property Corporation

20070280379 - Wireless receiver for removing direct current offset component: A wireless receiver includes a hardware (HW) block, a converter block and a digital signal processor (DSP). The HW block receives a wireless signal having a first DC Offset Component (DCOC), removes a portion of the first DCOC to produce a residual DCOC centered at DC, and generates parameters that... Agent: Freescale Semiconductor, Inc. Law Department

20070280381 - Method and system for supporting dynamic stream attributes: A publisher-subscriber system includes a broker configured to receive and distribute at least one data stream from publishers to subscribers in accordance with subscriptions. An annotator/classifier is configured to annotate or classify the data stream by employing one or more additional stream-level attributes to create an annotated data stream wherein... Agent: Keusey, Tutunjian & Bitetto, P.C.

20070280382 - Methods and systems for correlation based on phase quantization: In at least some embodiments, an electronic device is provided. The electronic device having a receiver that determines multi-bit quantization of phase information for a first signal and a second signal and correlates the first and second signals based on the quantized phase information. In at least some embodiments, a... Agent: Texas Instruments Incorporated

20070280383 - System and method for adjusting compensation applied to a signal: In one embodiment of the present invention, a method for adjusting a signal includes applying compensation for distortion to a signal to generate an output signal. The method also includes, using a clock signal, sampling the output signal to generate a plurality of data values and boundary values, each value... Agent: Baker Botts L.L.P.

20070280384 - System and method for independently adjusting multiple offset compensations applied to a signal: In one embodiment of the present invention, a method for adjusting a signal includes receiving an input data signal and communicating a first portion of the input data signal on a first path and a second portion of the input data signal on a second path. The method also includes... Agent: Baker Botts L.L.P.

20070280385 - Method and apparatus of receiving signals and wireless multimode wideband receiver: A method of receiving a target signal existing in a wideband signal. The method includes the steps of receiving the wideband signal, removing the target signal from the wideband signal to obtain an interference signal, transforming the interference signal into an inverse interference signal, and finally combining the wideband signal... Agent: Rabin & Berdo, PC

20070280387 - Method and apparatus for scaling a signal for improving performance of a receiver in a mimo system: A multiple-input multiple-output (MIMO) receiver includes a MIMO decoder, a pre-scaling unit, a demapper, and a post-scaling unit. The MIMO decoder performs a MIMO decoding on received signals to decouple a plurality of symbols transmitted via a plurality of data streams. Both pre-demapping scaling and post-demapping scaling are performed to... Agent: Volpe And Koenig, P.C. Dept. Icc

20070280386 - System and method for precoding in a multiple input multiple-output (mimo) system: A network entity in a multi-transmit antenna system, such as a transmitting or receiving entity, includes a component such as a pre-coder or a receiver, and is configured for full-spatial-rate coding data. The network entity is capable of providing a full-spatial-rate codebook having been designed by selecting an underlying partial-spatial-rate... Agent: Alston & Bird LLP

20070280388 - Apparatus for and method of canceller tap shutdown in a communication system: A novel and useful mechanism for shutting down very small canceller taps that have little influence on the output of the canceller. Disabling or completely disabling these taps results in a significant reduction in power consumption of the circuit incorporating the canceller. Shutting down very low valued canceller taps also... Agent: Texas Instruments Incorporated

20070280389 - System and method for asymmetrically adjusting compensation applied to a signal: In one embodiment of the present invention, a method for adjusting a signal includes applying at least one of a loss compensation for frequency-dependent distortion and an offset compensation for DC-offset distortion to a signal before or after the distortion occurs to generate an output signal. The method also includes,... Agent: Baker Botts L.L.P.

20070280391 - System and method for decoupling multiple control loops: In one embodiment of the present invention, a method for adjusting a signal includes applying at least one of a loss compensation for frequency-dependent distortion and an offset compensation for DC-offset distortion to a signal before or after the distortion occurs to generate an output signal. The method also includes,... Agent: Baker Botts L.L.P.

20070280390 - System and method for the non-linear adjustment of compensation applied to a signal: In one embodiment of the present invention, a method for adjusting a signal includes applying loss compensation for frequency-dependent distortion to a signal before or after the distortion occurs to generate an output signal. The method also includes, using a clock signal, sampling the output signal to generate a plurality... Agent: Baker Botts L.L.P.

20070280392 - Clock and data recovery method and corresponding device: A clock and data recovery method comprising the following steps: an oversampling step wherein an oversampled stream of samples is generated from an input data stream at a data rate by using reference clock signal at a clock rate, the clock rate being higher than the data rate, and a... Agent: Seed Intellectual Property Law Group PLLC

20070280393 - 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

20070280394 - Method for determining a residual frequency offset, communication system, method for transmitting a message, transmitter, method for processing a message and receiver: A method of determining a residual frequency offset between a transmitter and a receiver in a transmission of data via a communication channel, is described, wherein the message is transmitted from the transmitter to the receiver via the communication channel and the message comprises at least one short preamble (201),... Agent: Crockett & Crockett

20070280395 - Method and device for sampling electrical signals of a multiphase electrical installation: m

20070280396 - Method and system for advance high performance bus synchronizer: Provided is a method for transferring data from one clock domain within a synchronizer to another domain within the synchronizer. The method includes determining system clock parameters within the synchronizer and analyzing a first domain clock signal based upon the system clock parameters. Next, a second domain clock signal is... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20070280397 - Frequency synthesizer and charge pump circuit used for the same: A frequency synthesizer includes an AND circuit (17) for detecting whether a frequency synthesizer is in a lock state according to a signal outputted from an Up terminal and a Down terminal of a phase comparator and switching circuits (18, 19) for switching between presence and absence of connections of... Agent: Connolly Bove Lodge & Hutz LLP