Pulse or digital communications inventions 06/07

20070147477 - Novel pulse generator for ultra-wide-band modulating systems and modulating systems using it: A pulse generator circuit is provided. The pulse generator circuit has an input adapted to receive an input electrical quantity and an output at which an output electrical quantity is made available. A transfer characteristic establishes a relationship between said input and said output electrical quantities. The pulse generator circuit... Agent: Paul F. Rusyn Graybeal Jackson Haley LLP

20070147478 - Signal adjustment receiver circuitry: Systems and methods for adjusting a signal received from a communication path are disclosed. A receiver can receive a signal from a communication path which attenuates at least some frequency components of the signal. The receiver can include an equalization block that adjusts at least some of the frequency content... Agent: Fish & NeaveIPGroup Ropes & Gray LLP

20070147475 - Transmitting method, receiving method, transmitting device, receiving device and tranceiving device: A transmitting device of the present invention comprises an encoder (20), a transmitting unit (100) including and a pulse generator (30) and a parallel-to-serial converter (50), a transmitting control unit (40), and an a antenna (90) The pulse generator (30) comprises a first pulse train generator (31), a second pulse... Agent: Wenderoth, Lind & Ponack L.L.P.

20070147476 - Wireless data communication method via ultra-wide band encoded data signals, and receiver device for implementing the same: This invention concerns a wireless data communication method, wherein a transmitter device having a first wide band antenna transmits ultra-wide band encoded data signals to a receiver device having a second wide band antenna for receiving the direct and/or multiple path coded data signals. The transmitted data is defined by... Agent: Griffin & Szipl, PC

20070147479 - Receiving apparatus and channel estimating apparatus: A receiving apparatus receives an OFDM signal subject to frequency hopping on multiple bands, the OFDM symbol, which functions as a channel estimation sequence, being transmitted multiple times at hopping intervals in a time division manner on each of the bands. The apparatus includes receiving means for receiving the OFDM... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070147482 - Arrival direction estimation apparatus: A technology for providing an arrival direction estimation apparatus which can greatly reduce the calculation amount in spectrum calculation and can perform precise direction estimation without setting short frequency division in spectrum calculation is disclosed. According to the technology, there is provided the arrival direction estimation apparatus including an antenna,... Agent: Louis Woo Law Office Of Louis Woo

20070147480 - Data receiver having means for minimizing interference and method used in such a receiver: The present invention relates to a data receiver (5) for receiving user data and reference data (CPICH) coming from a transmitter 5 via at least a channel. This receiver comprises means for unscrambling (39,66,64) and means for despreading (40,68) received data, means for analyzing the characteristic of the channel (35),... Agent: Philips Electronics North America Corporation Intellectual Property & Standards

20070147481 - Linear turbo equalization using despread values: A linear turbo-equalizer for use in a CDMA receiver equalizes a despread received signal (rather than the spread received signal) to suppress self-interference resulting from coupling between transmitted symbols. In an example implementation, a linear equalizer based on a generalized-Rake (G-Rake) receiver design uses decoder feedback in forming Rake combining... Agent: Nixon & Vanderhye, PC

20070147484 - Apparatus and method for signal matching in a communication system: A signal matching apparatus and method in a communication system are provided. For signal matching, a transmitter generates a synchronization code for synchronization acquisition, includes the synchronization code on a center frequency subcarrier of a transmission signal, and sends the transmission signal to a receiver. The receiver detects the synchronization... Agent: The Farrell Law Firm, P.C.

20070147483 - Bit synchronization in a communications device: Systems and techniques are disclosed relating to communications. The systems and techniques involve the synchronizing to a signal having a plurality of bits by computing energy for a plurality of different phase offset signal portions, generating a ratio from the signal portion with the highest computed energy and the signal... Agent: Qualcomm Incorporated

20070147485 - Communication device and communication method: There is provided a communication device for selecting an optimal modulation method even when a propagation path condition is changed, thereby improving the transmission efficiency. In this device, a second communication device (200) has a transmission path condition estimation unit (210) for estimating the propagation path condition change speed in... Agent: Stevens, Davis, Miller & Mosher, LLP

20070147488 - Apparatus and method for communication between a digital unit and a remote rf unit in a broadband wireless communication system: Provided are an apparatus and method for communication between a digital unit and a remote radio frequency unit in a broadband wireless communication system. A frame structure of Inphase/Quadrature (IQ) sample data based on various channel bandwidths and sampling frequencies is defined, and then the IQ sample data are generated... Agent: The Farrell Law Firm, P.C.

20070147487 - Apparatus, method and computer program product providing dynamic modulation setting combined with power sequences: Disclosed herein are apparatus, methods and computer program products for transmitting signals in different frequency sub-bands used in a particular cell of a cellular wireless communications system in accordance with a power sequence and for selecting modulation schemes to be used in transmitting the signals in the different frequency sub-bands... Agent: Harrington & Smith, PC

20070147486 - Signal processing within a wireless modem: There is provided a wireless modem PHY having a selectable IF signal format output, e.g. between baseband, complex IF and low IF.... Agent: Bereskin And Parr

20070147489 - Uplink burst equalizing method in broad wide access system: A method for uplink burst equalization in broad wide access system, using the form of combining pre-training and burst equalization, that is, before transmitting user data, training the equalizer, then starting transmitting user data, in which, the equalizer uses decision user data as reference to track the changed wireless channel;... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070147490 - Filter coefficient adjusting circuit: A filter coefficient adjusting circuit of the present invention comprises a coefficient adjusting circuit (2) that adjusts an equalization coefficient by weighting an initial value of the equalization coefficient on the left side from a center tap of a FIR filter (1) that equalizes a reproduce signal, by a factor... Agent: Wenderoth, Lind & Ponack L.L.P.

20070147491 - Transmitter equalization: According to embodiments of the subject matter disclosed in this application, transmit equalization, systematic jitter correction, and jitter injection may be achieved through a lookup table transmitter equalizer. The equalizer may be a multiple-way interleaving equalizer, with each interleaved section having its own lookup table. Entries in each lookup table... Agent: Intel Corporation C/o Intellevate, LLC

20070147498 - Coding device, coding method, program of coding method, and recording medium recorded with program of coding method: A coding device makes a GOP setting to input image data, and applies a coding process to the input image data on a macroblock basis successively by intra and inter prediction to output coded data. The device includes an orthogonal transform section that applies an orthogonal transform process to prediction... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20070147496 - Hardware implementation of programmable controls for inverse quantizing with a plurality of standards: Presented herein are system(s), and method(s) for inverse quantizing data from a plurality of standards. In one embodiment, there is presented a system for decoding data. The system comprises a host processor and an inverse quantizer. The host processor provides inverse quantization parameters from a first standard and from a... Agent: Mcandrews Held & Malloy, Ltd

20070147497 - System and method for progressive quantization for scalable image and video coding: An improved system and method for dequantizing progressively quantized signals in scalable image and video coding. A decoder performs simple dequantization, such as normal uniform dequantization, on coded content using a quantization index and a nominal quantization step size to obtain a nominal reconstruction level. The result is then adjusted... Agent: Foley & Lardner LLP

20070147499 - Method of encoding moving picture in mobile terminal and mobile terminal for executing the method: A method of encoding a moving picture of a mobile terminal by receiving a target object and encoding information including effect information to be applied to the target object from a user, and by applying the encoding information, and the mobile terminal using the method. Specifically, the method of encoding... Agent: Charles N.j. Ruggiero Ohlandt, Greeley, Ruggiero & Perle, L.L.P.

20070147493 - Methods and apparatuses for constructing a residual data stream and methods and apparatuses for reconstructing image blocks: In one embodiment, the method includes parsing data from a data stream for the first picture layer into a sequence of data blocks on a cycle-by-cycle basis such that at least one data block earlier in the sequence is skipped during a cycle if a data block later in the... Agent: Harness, Dickey & Pierce, P.L.C

20070147492 - Scalable encoding and decoding of interlaced digital video data: Fully scalable encoder and decoder for interlaced video. A method for encoding an interlaced sequence of digital video data decomposes the interlaced video sequence into first and second fields, performs digital filtering to get lower frequency and higher frequency component signals of the first fields, and uses spatio-temporal filtering and... Agent: Joseph J Laks Thomson Licensing Inc

20070147494 - Video-signal layered coding and decoding methods, apparatuses, and programs: A video signal is encoded at a plurality of coding layers exhibiting different spatial resolutions. An input video signal is spatially scaled down into a resolution-lowered video signal that exhibits a resolution lower than the video signal. The resolution-lowered video signal is encoded with a decoding procedure to obtain first... Agent: Jeffer, Mangels, Butler & Marmaro, LLP

20070147502 - Method and apparatus for encoding and decoding picture signal, and related computer programs: A first-viewpoint picture is encoded. A first decoded picture is generated in the encoding of the first-viewpoint picture. A second-viewpoint picture is encoded. A second decoded picture is generated in the encoding of the second-viewpoint picture. View interpolation responsive to the first decoded picture and the second decoded picture is... Agent: Louis Woo Law Office Of Louis Woo

20070147501 - Method for finding the prediction direction in intraframe video coding: A method of finding the prediction direction during intraframe video image coding. The method comprises the following steps: selecting two initial prediction directions (E, S), calculating virtual blocks associated with said initial prediction directions (E, S), comparing said virtual blocks with the current block and selecting the initial prediction direction... Agent: Cohen, Pontani, Lieberman & Pavane

20070147500 - Moving picture encoding method and apparatus: A moving picture encoding method for performing a multi-frame motion prediction with reference to a plurality of picture frames, comprises: including, in reference frames used for the multi-frame motion prediction, a frame that has been encoded in a higher picture quality than the other frames of the same picture type.... Agent: Sughrue Mion, PLLC

20070147503 - Selection of encoded data, setting of encoded data, creation of recoded data, and recoding method and device: In macroblocks to which a prediction mode determination step, which determines whether or not a prediction mode applied to the macroblocks is a predetermined prediction mode, and an encoded data selection step, which selects a predetermined type of encoded data corresponding to the pixels at predetermined positions in the macroblocks... Agent: Paul-j. Esatto, Jr. Scully, Scott, Murphy & Presser

20070147504 - Selecting key frames from video frames: This disclosure describes identifying key frames from a sequence of video frames. A first set of information generated by operating on uncompressed data is accessed. A second set of information generated by compressing the data is also accessed. The first and second sets of information are used to identify key... Agent: Qualcomm Incorporated

20070147506 - Motion estimator and motion estimating method: A motion estimator for generating an interpolation frame based on current and previous frames is provided. The motion estimator includes: a first candidate motion vector calculating unit which divides the current frame into plural blocks and generates plural first candidate motion vector groups, each group including a first candidate motion... Agent: Sughrue Mion, PLLC

20070147505 - Processing a compressed video signal: A method and apparatus for processing a compressed video signal to remove blocking artifacts includes decompressing the video signal to provide a raw decoded signal and a quantisation parameter. Mean, maximum and minimum values of samples of pixels surrounding a pixel C of concern are determined. The mean, maximum and... Agent: Seyfarth Shaw LLP

20070147507 - Video encoding method and apparatus and video decoding method and apparatus: A video encoding method includes extracting at least one reference macroblock from each of a plurality of reference frames to generate a plurality of reference macroblocks, computing a linear sum of the reference macroblocks using weighting factors to generate a predictive macroblock, generating a motion vector between the video macroblock... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070147508 - Video encoding method and apparatus and video decoding method and apparatus: A video encoding method includes extracting at least one reference macroblock from each of a plurality of reference frames to generate a plurality of reference macroblocks, computing a linear sum of the reference macroblocks using weighting factors to generate a predictive macroblock, generating a motion vector between the video macroblock... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070147509 - Video encoding method and apparatus and video decoding method and apparatus: A video encoding method includes extracting at least one reference macroblock from each of a plurality of reference frames to generate a plurality of reference macroblocks, computing a linear sum of the reference macroblocks using weighting factors to generate a predictive macroblock, generating a motion vector between the video macroblock... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070147510 - Method and module for altering color space parameters of video data stream in compressed domain: The object of the present invention is to provide a methodology and a device for image processing (e.g. color toning) of a compressed video sequence, which overcomes the deficiencies of the state of the art. Particularly, the invention provides a solution for performing color-toning operations on H.263 and MPEG-4 videos... Agent: Hollingsworth & Funk, LLC

20070147495 - Multilevel data compression using a single compression engine: A single compression engine transmits first and second discrete cosine transform (DCT)-encoded signals. The first DCT-encoded signal uses at most t coefficient bits to represent each of a plurality of DCT coefficients. The second DCT-encoded signal uses at most u coefficient bits, where u is less than t, to represent... Agent: Brinks Hofer Gilson & Lione

20070147513 - Block error compensating apparatus of image frame and method thereof: An apparatus and method are provided for compensating a block error in an image frame. This may include a video codec decoder for decoding an inputted image frame, and outputting a decoded image frame. An error concealment block may detect an error-generated block in the decoded image frame and compensate... Agent: Fish & Richardson P.C.

20070147511 - Image processing apparatus and image processing method: An image processing apparatus includes: a frame memory; a buffer memory that stores pixel values of macroblocks of a first region including a first macroblock; a deblocking filter unit that is operable to: (1) read out the pixel values of the first region from the buffer memory; (2) apply the... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070147512 - Method and apparatus for rate control for constant-bit-rate-finite-buffer-size video encoder: A method and apparatus for rate control for a constant-bit-rate finite-buffer-size video encoder is described. Rate control is provided by adjusting the size of non-intra frames based on the size of intra frames. A sliding window approach is implemented to avoid excessive adjustment of non-intra frames located near the end... Agent: Advanced Micro Devices, Inc. C/o Vedder Price Kaufman & Kammholz, P.C.

20070147514 - Video encoding apparatus and video decoding apparatus: An alpha-map encoding apparatus includes a first down-sampling circuit (21) for down-sampling an alpha-map signal which represents the shape of an object and the position in the frame of the object at a down-sampling ratio based on size conversion ratio information, an up-sampling circuit (23) for up-sampling the alpha-map signal... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070147516 - Decoding apparatus: A frame memory successively stores post-filter data in such a manner that 1-column/1-row pre-filter data extending along the right and lower sides of each block are not overwritten by the post-filter data. Thus, the frame memory stores both the post-filter data used for inter-prediction and the pre-filter data remaining for... Agent: Osha Liang L.L.P.

20070147515 - Information processing apparatus: According to one embodiment, an information processing apparatus includes a decoder which decodes video coded data, and a load information acquisition means which acquires load information required for processing of data other than the video coded data, wherein the decoder predetermines elimination priorities of stepwise filter processing required for decoding... Agent: Blakely Sokoloff Taylor & Zafman

20070147517 - Video processing system capable of error resilience and video processing method for same: A video processing method for AV synchronization resilience is provided. A first frame is decoded and displayed while a second frame is decoded for a predetermined period of time. It is determined whether the decoding time for the second frame exceeds a defined duration. If so, the first frame is... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070147518 - Methods and devices for low-frequency emphasis during audio compression based on acelp/tcx: A first aspect of the present invention relates to a method for low-frequency emphasizing the spectrum of a sound signal transformed in a frequency domain and comprising transform coefficients grouped in a number of blocks, in which a maximum energy for one block is calculated and a position index of... Agent: Fay Kaplun & Marcin, LLP

20070147519 - Time series data dimesional compression apparatus: A time series data dimensional compression apparatus performing dimensional compression for improving the efficiency of searching for time series data without losing the features of data. The compression is made to a determined dimension so that a larger volume of information may be extracted therein. A time series subsequence generating... Agent: Birch Stewart Kolasch & Birch

20070147523 - Radio communication system and apparatus: A radio communication system includes a first radio communication apparatus comprising a data generating unit generating transmit data, a mapping unit allocating a modulation signal generated according to the transmit data to two subcarriers between which a frequency difference of a first frequency is, an IFFT unit performing IFFT on... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070147525 - Apparatus and method for controlling gain in an interference cancellation receiver of an ofdma system: A gain control apparatus of an interference cancellation receiver that performs interference cancellation in a frequency axis in an Orthogonal Frequency Division Multiple Access (OFDMA) system. A first signal power measurer measures first signal power of a received signal that was received from a base station and then underwent fast... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.

20070147528 - Apparatus and method for transmitting multi-carrier signals: Embodiments of the present invention may provide an apparatus and a method for transmitting a multi-carrier signal, the multi-carrier signal being generated by modulating a received digital signal. The received digital signal may be modulated to a first multi-carrier signal and a second multi-carrier signal. The first multi-carrier signal and... Agent: Ked & Associates, LLP

20070147529 - Frequency domain equalization method and apparatus for a single carrier receiver: A frequency-domain-equalization apparatus for a receiver in single-carrier communication comprising: a selection means (103) for selecting a time-sequence-signal portion from a received signal that is longer than one block; a Fourier-transformation means (104) for performing Fourier transformation of the time-sequence-signal portion that is longer than one block and converting the... Agent: Katten Muchin Rosenman LLP

20070147522 - Integrated circuit capable of independently operating a plurality of communication channels: An apparatus according to one embodiment may include an integrated circuit. The integrated circuit may include a plurality communication channels. The integrated circuit may be is capable of communicating with at least one remote node external to the integrated circuit, via at least one of the communication channels, in accordance... Agent: Grossman, Tucker, Perreault & Pfleger, PLLC C/o Portfolioip

20070147521 - Interleaver design with multiple encoders for more than two transmit antennas in high throughput wlan communication systems: A MIMO communication system implements an interleaver design with multiple encoders for more than two transmit antennas for high throughput WLAN communication systems. Multiple encoders are utilized in the transmitter and multiple decoders are utilized in the receiver, wherein each encoder operates at lower clock speed than would be necessary... Agent: Kenneth L. Sherman, Esq. Myers Dawes Andras & Sherman, LLP

20070147524 - Method and device for notching the transmission band of an analog signal, in particular an mb-ofdm signal: The transmission band of an analog signal to be transmitted is notched, including sub-carriers to be modulated from digital modulation coefficients respectively associated with the sub-carriers. The method includes providing an initial digital signal from successive frequency-domain groups each containing the digital modulation coefficients respectively associated to the sub-carriers. The... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20070147527 - Ofdm signal transmitting method and transmitter and receiver thereof: A transmitting method of OFDM signal includes allocating first and second channel estimation preamble signals for channel response estimation respectively to +kth and −kth subcarriers from center frequency of first OFDM signal, allocating first and second pilot signals for residual phase offset estimation respectively to +kth and −kth subcarriers from... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070147526 - Sub-carrier diversity method on multi-band orthogonal-frequency-division-multiplexing symbol: A sub-carrier diversity method on an MB-OFDM (multi-band orthogonal-frequency-division-multiplexing) system repeatedly transmitting an identical frequency band of an identical symbol, including: setting a value of a TDS (time domain spreading) of sub-carriers depending on a transmission rate; and shifting the positions of the sub-carriers in a predetermined unit so that... Agent: Stein, Mcewen & Bui, LLP

20070147520 - Techniques to time vary pilot locations in wireless networks: An embodiment of the present invention provides an apparatus, comprising a receiver 5 capable of selecting optimal pilot locations and providing feedback of the pilot locations to a transmitter in communication with the receiver. The optimal pilot locations may be selected by locations that avoid strong interference or platform noise... Agent: Intel Corporation C/o Intellevate, LLC

20070147530 - Bit-loading method and system for a dmt transceiver: A system and method for a bit-loading algorithm based on an equal error rate principle for each sub-channel (bin) used in a discrete multi-tone modulation (DMT) system. The system and method of the present invention provides a bit-loading algorithm that provides long reach, high data rate and good error performance... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070147531 - Constellation rearrangement for arq transmit diversity schemes: An ARQ (re-) transmission method of transmitting data in a wireless communication system wherein data packets are transmitted from a transmitter to a receiver, using a first transmission and a second transmission based on a repeat request. The method comprises the steps of modulating data at the transmitter using a... Agent: Stevens, Davis, Miller & Mosher, LLP

20070147537 - Apparatus and method for calibration in a communication system: In a calibration apparatus in a communication system, a modulation unit calculates a reference signal by modulating a downlink signal, and a digital Intermediate Frequency (IF) unit converts the reference signal to an intermediate frequency signal. An up-converter converts the intermediate frequency signal to a Radio Frequency (RF) signal, and... Agent: The Farrell Law Firm, P.C.

20070147538 - Apparatus and method for canceling interference from neighbor cells in broadband communication system: An apparatus and method for canceling an interference signal in a broadband wireless communication system are provided. A receiver of a wireless communication system includes at least two receive antennas for receiving a target signal of a serving base station and interference signals of at least one neighbor base station;... Agent: The Farrell Law Firm, P.C.

20070147533 - Method and system for aggregate channel estimation for frequency-selective transmit beamforming: A system (10) and method (50) of operating a wireless communication system between a transmit device (12) employing an array of transmit antennas and a receiver (15) can include transmitting (52) a beamformed signal with antenna weights computed based on knowledge of a plurality of channels forming an aggregate channel... Agent: Akerman Senterfitt

20070147532 - Method and system for injecting sub-synchronization signals: A method and system of communicating sub-synchronization information into a transmitted digital audio stream and extracting sub-synchronization information from a received digital audio stream is provided. The method includes the steps of having a transmitter introduce sub-synchronization information into a data stream at a period less than that of existing... Agent: Delphi Technologies, Inc.

20070147534 - Method and system for power loading implementation detection in beamforming systems: A method of detecting the power loadings at a receiver wherein estimation of power loadings based on the received reference signals is unnecessary. Channel condition is obtained for each channel and transmission power loading per channel is detected according to channel condition, wherein estimation of power loadings based on the... Agent: Kenneth L. Sherman, Esq. Myers Dawes Andras & Sherman, LLP

20070147535 - Method for rate adaptation with extended mcs set for wideband eigen-beamforming transmission: A method for rate adaptation with extended MCS set for wideband eigen-beamforming transmission. A signaling method over multiple channels in a wireless telecommunication system including a transmitter and a receiver, performs the steps of obtaining an information bit stream, selecting the number of transmission streams, selecting different transmission rates for... Agent: Kenneth L. Sherman, Esq. Myers Dawes Andras & Sherman, LLP

20070147536 - Wireless communication device employing interference-sensitive mode selection and associated methods: Embodiments of a wireless communication system employing interference-sensitive mode selection and associated methods are generally introduced.... Agent: Intel Corporation C/o Intellevate, LLC

20070147539 - Hierarchical coding for multicast messages: Techniques for sending signaling information using hierarchical coding are described. With hierarchical coding, individual messages for users are encoded using multiple interconnected encoders such that (1) the message for each user is sent at a data rate suitable for that user and (2) a single multicast message is generated for... Agent: Qualcomm Incorporated

20070147540 - Systems and methods for implementing receiver transparent q-mode: In a receiver transparent Q-mode, i.e., a Q-mode that is only implemented by a transmitter, the receiver is unaware of the Q-mode state of the transmitter. In this type of Q-mode configuration, the transmitter could enter and exit Q-mode as desired while the receiver, could, for example, continue to function... Agent: Sheridan Ross P C

20070147541 - Transmitter apparatus and wireless communication apparatus: In the case in which a high power amplifier 13 is operated in a saturation mode to carry out a polar coordinate modulation, a switching control signal to be input to a multiplication/division switching terminal 33 is set to be a multiplication, and a quadrature modulating digital signal input from... Agent: Pearne & Gordon LLP

20070147542 - Method and apparatus for encoding a data stream for transmission across bonded channels: Method and apparatus for encoding a protocol data unit (PDU) stream is described. In one example, packets of the PDU stream are outer coded to produce a symbol stream. The symbol stream is formatting to produce trellis groups. The trellis groups are formed into blocks of M×N groups. For each... Agent: General Instrument Corporation Dba The Connected Home Solutions Business Of Motorola, Inc.

20070147543 - Extension of space-time block code for transmission with more than two transmit antennas: An STBC encoding extension method for more than two transmit antennas, which provides higher diversity gains while keeping the same coding/decoding latency as in the two-transmit-antenna case of conventional STBC encoding. A N×2 STBC encoder is constructed from a 2×2 STBC encoder, wherein the N×2 STBC encoder is suitable for... Agent: Kenneth L. Sherman, Esq. Myers Dawes Andras & Sherman, LLP

20070147544 - Fsk signal modulator for producing a binary fsk signal: An FSK signal modulator is provided in a transmitter which receives desired information to be transmitted on its input and which modulates the information to be transmitted to transmit a binary FSK signal. A counter counts a value of addition with the value of addition modified in accordance with a... Agent: Nixon Peabody, LLP

20070147545 - Receiving method and receiver: BB input units input baseband received signals. An initial weight data setting unit sets weighting coefficients to be utilized in the interval of a training signal as initial weighting coefficients. A gap compensating unit compensates control weighting coefficients with a gap error signal and outputs the updated weighting coefficients acquired... Agent: Mcdermott Will & Emery LLP

20070147546 - Digital radio apparatus: The present invention provides a digital radio apparatus in which heat dissipation can effectively be performed in the apparatus without providing a heat dissipation duct in a shared unit and downsizing of the apparatus can be realized. In a digital radio apparatus installed inside a building, each circuit in a... Agent: Ostrolenk Faber Gerb & Soffen

20070147547 - Preprocessing signal layers in a layered modulation digital signal system to use legacy receivers: Systems and methods for receiving non-coherent layered modulation signals are presented. An exemplary apparatus comprises a tuner for receiving a layered signal and producing a layered in-phase signal and a layered quadrature signal therefrom, an analog-to-digital converter for digitizing the layered in-phase signal and the layered quadrature signal, a processor... Agent: The Directv Group Inc

20070147551 - Abrasive-free polishing slurry and cmp process: A CMP slurry is mixed with an oxidant in polishing and contains a copper rust inhibitor, a water-soluble polymer, a pH controller capable of forming a complex with copper, and water, and is substantially free from abrasive. The CMP slurry effectively reduces dishing in chemical polishing of copper and forms... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070147548 - Blind data rate identification for enhanced receivers: In a method for determining a transmitted data rate, a received data frame may be decoded using different candidate rates to generate a first decoded bit sequence associated with each candidate rate. A first frame quality indicator and a first error metric may be generated for each of the candidate... Agent: Harness, Dickey & Pierce, P.L.C

20070147549 - Vsb reception system with enhanced signal detection for processing supplemental data: A VSB reception system includes a sequence generator for decoding a symbol corresponding to the supplemental data and generating a predefined sequence included in the supplemental data at VSB transmission system. The reception system also includes a modified legacy VSB receiver for processing the data received from the VSB transmission... Agent: Lee, Hong, Degerman, Kang & Schmadeka

20070147550 - Vsb reception system with enhanced signal detection for processing supplemental data: A VSB reception system includes a sequence generator for decoding a symbol corresponding to the supplemental data and generating a predefined sequence included in the supplemental data at VSB transmission system. The reception system also includes a modified legacy VSB receiver for processing the data received from the VSB transmission... Agent: Lee, Hong, Degerman, Kang & Schmadeka

20070147552 - Method and apparatus for detecting transmission of a packet in a wireless communication system: A method and apparatus for detecting transmission of a packet in a wireless communication system are disclosed. A packet includes a preamble which comprises multiple repetition of a training sequence. A signal is detected and the detected signal is correlated with a delayed version of the detected signal which is... Agent: Volpe And Koenig, P.C. Dept. Icc

20070147553 - Automatically setting an operative state of a wideband amplifier: A multi-channel receiver (200) comprises: an input (111) for receiving a wideband signal potentially comprising multiple channels, a tuner stage (110), a wideband amplifier (201) connected between the input (111) and the tuner (110), a controllable switch (202) bridging the amplifier (201) and a switch controller (203) designed to generate... Agent: Philips Intellectual Property & Standards

20070147557 - Gain control method and device for a bursty data frame reception system: The gain control method for the RF and IF amplification stages of a bursty data frame reception system enables, following a step for evaluating the received signal strength, the gain adjustment step of the RF amplification stage to be temporarily deferred until a frame structure symbol is received, during which... Agent: Joseph J. Laks, Vice President Thomson Licensing LLC

20070147555 - Method and apparatus for adjusting receiver gain based on received signal envelope detection: Methods and apparatus are provided for adjusting receiver gain based on received signal envelope detection. The gain of a received signal is adjusted by obtaining a plurality of samples of the received signal for a given unit interval; determining an amplitude of the received signal based on the samples; and... Agent: Ryan, Mason & Lewis, LLP

20070147554 - Receiver and transmitter/receiver: A receiver and a transmitter-receiver, such as a mobile telephone unit and a transceiver, capable of controlling a supplied power to a receiving unit including a variable gain amplifier with high precision. The receiver employs a configuration including, for example, a receiving unit, a gain control signal-generating unit that designates... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070147556 - Variable bandwidth automatic gain control: Provided is automatic gain control (AGC) in which a feedback filter has a parameter that is changed based on information regarding data-packet boundaries. In one representative embodiment, the bandwidth of the filter temporarily is increased, or the time constant of the AGC filter temporarily is decreased, within a vicinity of... Agent: Huffman Law Group, P.C.

20070147558 - Method and apparatus for removing impulse noise: An impulse noise remover includes: a storage module for storing a plurality of digital values derived from a received signal; a calculating module coupled to the storage module for calculating a first detection value according to a first subset of the plurality of digital values, and for calculating a second... Agent: North America Intellectual Property Corporation

20070147560 - Communications circuit and method with re-positionable sampling span: A communications circuit includes a filter module with a sampling window, a control module, and an input buffer. The control module has a ray parameter interface to obtain information regarding significant ray changes that make it desirable to re-position the sampling window. The control module determines re-positioning parameters, responsive to... Agent: Ryan, Mason & Lewis, LLP

20070147559 - Operating frequency reduction for transversal fir filter: A method and system for reducing the frequency of operation for a transversal Finite Impulse Response (FIR) filter is disclosed. In the preferred embodiment, the transversal filter operates in such a way that it has an even and odd row of data, which are latched on rising and falling edges... Agent: Blake, Cassels & Graydon, LLP

20070147562 - Corrrecting time synchronization inaccuracy caused by asymmetric delay on a communication link: Techniques for correcting time synchronization inaccuracy caused by asymmetric delays on a communication link. Time synchronization according to the present techniques includes determining an asymmetry in a propagation delay on a communication link used by a first device and a second device to exchange timing information and incorporating the asymmetry... Agent: Agilent Technologies Inc.

20070147561 - Method and system for communicating sub-synchronization signals using a phase rotator: A system and method of communicating sub-synchronization information into a transmitted digital audio stream and extracting sub-synchronization information from a received digital audio stream is provided. The method includes the steps of having a transmitter introduce sub-synchronization information into a data stream at a period less than that of existing... Agent: Delphi Technologies, Inc.

20070147563 - Synchronization of a digital circuit: A method of synchronization of a digital circuit includes selecting a first site and a second site from a plurality of different sites of the digital circuit where a signal to be synchronized occurs; passing a first signal, which is the signal to be synchronized of the first site, via... Agent: Dicke, Billig & Czaja, P.l.l.c.

20070147565 - Decision timing synchronous circuit and receiver circuit: A circuit includes: a portion for performing a logical operation based on a binary modulated signal and a cyclic signal; serial-to-parallel converter for sampling a operation output for parallel output; correlation filter having multiple digital filters for allowing the parallel signal values to pass therethrough; maximum difference detector for detecting... Agent: Nixon Peabody, LLP

20070147566 - Clock and data recovery with extended integration cycles: Clock and data recovery circuitry includes an interleaved sampler having multiple integrators, where at least one of the integrators integrates the input data for at least two unit intervals (UIs). One embodiment includes a four-way interleaved sampler, where each integrator in the sampler integrates the input data for two UIs,... Agent: Mendelsohn & Associates, P.C.

20070147564 - Phase interpolator: A phase interpolator includes a first circuit to generate a first signal having a first phase delay and a second signal having a second phase delay and a phase mixer. The phase mixer is coupled to receive the first and second signals from the first circuit. The phase mixer includes... Agent: Blakely Sokoloff Taylor & Zafman

20070147567 - Star receiver burst processing: Architecture for processing a record of burst information in a transmission link. A waveform sampler samples a received waveform containing a record of symbols imposed on a carrier signal. Symbol phase of the record symbols is determined utilizing one or more metrics. Any residual carrier error is corrected, and the... Agent: Townsend And Townsend And Crew LLP Viasat, Inc (client #017018)

20070147568 - General purpose set theoretic processor: A general purpose processor architecture (methods and apparatuses) that can discern all subsets of a serial data stream which fulfill an arbitrarily complex reference pattern. The invention comprises an ordered set of Detection Cells conditionally interconnected according to the reference pattern and operationally controlling one another's states through the network.... Agent: Townsend And Townsend And Crew, LLP

20070147569 - Transceiver with selectable data rate: An integrated circuit device having a selectable data rate clock data recovery (CDR) circuit and a selectable data rate transmit circuit. The CDR circuit includes a receive circuit to capture a plurality of samples of an input signal during a cycle of a first clock signal. A select circuit is... Agent: Deniro/rambus

20070147570 - Phase detector for data communications: In one embodiment, a phase error signal generated by a phase detector is equalized to compensate for the distortion in the phase error signal due to finite circuit speeds. The equalization may be based on suppressing the low frequency components of the phase error signal. For example, the amplitude of... Agent: Okamoto & Benedicto, LLP

20070140319 - Method and apparatus for transmitting wireline single-band orthogonal frequency division mutiplexing based ultra wideband signal over pipeline carrying catv broadcasting signal: A method and an apparatus for transmitting a single-band orthogonal frequency division multiplexing (OFDM)-based ultra wideband (UWB) signal over a pipeline carrying a cable television broadcasting signal. The method includes transforming a multimedia signal transmitted from a multimedia device into a wireline UWB signal; transforming the wireline UWB signal into... Agent: Sughrue Mion, PLLC

20070140317 - Differential phase modulated multi-band ultra-wideband communication system: A method for conveying, a receiver for receiving and a signal that contains a differential phase modulated multi-band high-speed data stream are provided. A preferred embodiment is directed to a multi-band UWB signal where each band spans about 500 MHz to 1 GHz. Within each such band, a flexible modulation... Agent: Philips Intellectual Property & Standards

20070140318 - Tiered subscription broadcast system: A broadcast system is disclosed that allows a broadcaster to provide multiple levels of subscription services. Subscribers have the option of listening to fewer (or no) commercials if they pay a higher fee, or listening to more commercials if they pay a lower (or no) fee. Commercials can be demographically... Agent: Martin E. Hellman

20070140320 - Delay compensation in equalizer-based receiver: A multi-stage receiver including, in one embodiment, a sequence of processing stages. At least one of the processing stages includes a first processing block, a delay block, and a second processing block. The first processing block is adapted to receive an input signal and generate from the input signal one... Agent: Mendelsohn & Associates, P.C.

20070140321 - Successive interference canceling for cdma: Successive interference canceling for CMDA. ICI may result from a signal's multi-path effects, or by filtering/suppression of some of the component energy of the signaling waveforms. Energy component attenuation destroys orthogonality of CDMA symbols thereby causing ICI. An ICF suppresses frequency domain portions (attenuates ingress), but also introduces ICI. Following... Agent: Garlick Harrison & Markison

20070140324 - Apparatus for fpga programming to synchronize with cdma signals: Multiple pseudo-noise codes, each of a different phase, are generated in an acquisition device; the multiple pseudo-noise codes are grouped into N number of groups; and time-division multiplexing is performed for each group on each correlation processing of the pseudo-noise codes contained in the signals under test and each pseudo-noise... Agent: Paul D. Greeley Ohlandt, Greeley, Ruggiero & Perle, L.L.P.

20070140322 - Apparatus and methods for timing recovery in a wireless transceiver: Apparatus and methods for use in a wireless communication system are disclosed for recovery of timing tracking in a device, such as a wireless transceiver, after decoding errors occur due to incorrect timing tracking. In particular, the disclosed methods and apparatus recover timing tracking by monitoring a decoded signal in... Agent: Qualcomm Incorporated

20070140323 - Coarse bin frequency synchronization in a communication system: For frequency bin error estimation, multiple hypotheses are formed for different frequency bin errors, pilot offsets, or combinations of frequency bin error and pilot offset. For each hypothesis, received symbols are extracted from the proper subbands determined by the hypothesis. In one scheme, the extracted received symbols for each hypothesis... Agent: Qualcomm Incorporated

20070140325 - Method and system for improving modem performance, computer program product therefor: A method controls performance of modem arrangements wherein a plurality of tones having associated gains with a maximum reachable value are used for carrying respective bitstreams. The method includes at least one of selectively swapping bits between the tones in the plurality and selectively changing the tone gains to optimized... Agent: Seed Intellectual Property Law Group PLLC

20070140326 - Method for rate matching in data transmission: A method employing an improved rate-matching algorithm used during transmission and reception of information packets involves performance of a complete process of puncturing or repetition in two steps. In the first step the action to be taken on each bit of the input register is calculated and is stored in... Agent: Hogan & Hartson LLP

20070140327 - Noise-driven recovery of a digital pulse stream: Provided is a method and system for noise-driven recovery of a digital pulse stream. The method includes receiving initial parameters including the base characteristics of a pulse signal, the characteristics including the minimum pulse interval. An incoming analog signal is converted to a digital signal and sampled a predetermined number... Agent: Lathrop & Gage Lc

20070140328 - Complex coefficient transversal filter and complex frequency converter: A complex coefficient transversal filter using a SAW filter and a complex frequency converter using the complex coefficient transversal filter are provided, in which a first SAW filter receives a real signal as an input signal and generates a real component of a complex signal, and a second SAW filter... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.

20070140329 - decision feedback equalization with composite trellis slicer: A decision feedback equalizer is configured to equalize an input signal to generate a recovered output signal. Linear feed-forward filter circuitry is configured to provide a linearly filtered output signal based on the input signal. Composite trellis decoder circuitry configured to process a combined signal that is based on a... Agent: Beyer Weaver LLP

20070140330 - High performance equalizer with enhanced dfe having reduced complexity: An apparatus and method for implementing an equalizer which (1) combines the benefits of a decision feedback equalizer (DFE) with a maximum-a-posterori (MAP) equalizer (or a maximum likelihood sequence estimator, MLSE) (2) performs equalization in a time-forward or time-reversed manner based on the channel being minimum-phase or maximum-phase to provide... Agent: Mcandrews Held & Malloy, Ltd

20070140332 - Video encoding apparatus and method having output restriction function: A video encoding apparatus receives a digital video data signal, converts the digital video data signal into an analog video signal and outputs the analog video signal to an externally connected image device. An encoding processor converts the digital video data signal into the analog video signal. A resolution determination... Agent: Katten Muchin Rosenman LLP

20070140333 - Image encoding method, device thereof, and control program thereof: A block dead zone scale generator (202) receives an image signal and a prediction error, analyzes the pattern or prediction performance of a target block, and outputs a dead zone scale suitable for the pattern or prediction performance of the block. A dead zone generator (201) receives a dead zone... Agent: Dickstein Shapiro LLP

20070140334 - Method and apparatus for dynamically adjusting quantization offset values: An encoding scheme dynamically adjusts a quantization rounding offset parameter used for encoding pictures according to statistics of previously encoded pictures of similar type. A look-up table can be used to store different relative quantization rounding offset parameters associated with different numbers of bits required to encode the pictures. The... Agent: Marger Johnson & Mccollom, P.C.

20070140335 - Method of encoding video signals: There is provided a method of encoding a video signal comprising a sequence of images to generate corresponding encoded video data. The method including the steps of: (a) analyzing the images to identify one or more image segments therein; (b) identifying those of said one or more segments which are... Agent: Philips Intellectual Property & Standards

20070140336 - Video coding device and image recording/reproducing device: A video coding device for encoding video images comprises a block matching processing unit which executes a block matching process for each of a plurality of blocks obtained by partitioning each of the video images and a characteristic detecting unit which detects a characteristic of each block. Pixels corresponding to... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070140331 - Video encoding and decoding methods and corresponding encoding and decoding devices: The invention relates to an encoding method applied to an input video sequence corresponding to successive scenes subdivided into successive video object planes (VOPs) and generating, for coding all the video objects of said scenes, a coded bitstream the content of which is described in terms of separate channels and... Agent: Philips Intellectual Property & Standards

20070140341 - Encoder, data file, encoding method, computer readable medium and computer data signal: An encoder includes a prediction unit and a code generation unit. The prediction unit predicts target data and judges whether prediction is right or wrong. When the prediction unit judges that consecutive predictions for respective target data are wrong, the code generation unit generates coded data including symbols corresponding to... Agent: Oliff & Berridge, PLC

20070140342 - Apparatus, and associated method, for forming a compressed motion vector field utilizing predictive motion coding: Apparatus, and an associated method, motion compensates coding of video sequences. Motion compensated prediction is utilized in the representation of motion vector fields. Reduced numbers of bits are required to represent the motion vector field while maintaining a low prediction error, thereby facilitating improved communication of, and recreation of, video... Agent: Foley & Lardner LLP

20070140343 - Image encoding method, and image decoding method: An additional information generation unit 102 of an image encoding apparatus determines a position where the high-definition component is restored to, and includes: a superposed position determination unit 201 which outputs position information PS indicating a determined position; a superposed component determination unit 202 which determines a high-definition component to... Agent: Wenderoth, Lind & Ponack L.L.P.

20070140338 - Macroblock homogeneity analysis and inter mode prediction: An inter mode for encoding a video macroblock is selected. An initial analysis on the macroblock homogeneity is performed to quickly reduce the number of inter modes for which motion estimation and rate distortion calculation are to be performed. An inter mode is selected based on these calculations and sub-pixel... Agent: Epson Research And Development Inc Intellectual Property Dept

20070140337 - Mode decision for inter prediction in video coding: A method for inter-mode prediction in video coding, the method comprising checking a data block of an image for zero motion; computing frame difference of the data block based on the checking for zero motion; and making an inter-mode prediction selection based on the computed frame difference.... Agent: Foley And Lardner LLP Suite 500

20070140340 - Moving picture coding device: The present invention relates to a moving picture coding device coding picture frames each having any one of a plurality of picture types, includes a pre-processing unit sequentially outputting, as a coding target frame, each of the picture frames sequentially inputted, a coding unit coding the sequentially outputted coding target... Agent: Staas & Halsey LLP

20070140339 - Transform domain based distortion cost estimation: Transform based distortion cost estimation, which may be used to calculate a rate distortion cost associated with a mode for encoding a macroblock, is described. In one embodiment of the invention, a distortion value for a particular mode is estimated within the transform domain, which allows for the elimination of... Agent: Epson Research And Development Inc Intellectual Property Dept

20070140344 - Fast macroblock encoding with the early qualification of skip prediction mode using its temporal coherence: The latest video-coding standards achieve higher coding efficiency than the previous video standards, while increasing the complexity and the difficulty of encoding. In a skip macroblock prediction mode some coding parameters (such as motion vectors and residual) are not coded. Selecting skip macroblock prediction mode reduces the size of the... Agent: Texas Instruments Incorporated

20070140346 - Frame interpolator, frame interpolation method and motion reliability evaluator: A frame interpolator comprises a motion estimating unit dividing a current frame into a plurality of reference blocks, each reference block having a predetermined size, comparing the reference block with a predetermined search area set in a previous frame, and estimating an initial motion vector. A reliability evaluating unit evaluates... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.

20070140347 - Method of forming an image using block matching and motion compensated interpolation: Embodiments of the present invention may provide a method of forming an image by using block matching algorithm and motion compensating interpolation, said method comprising: a) receiving neighboring first and second frames, each frame being divided into a plurality of blocks; b) checking whether to form an interpolation frame to... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070140345 - Motion estimation with motion vector penalty: The MPEG motion estimation process is improved by the introduction of the motion vector penalty. The motion vector employed to encode a macroblock takes into consideration the number of bits needed to encode the macroblock with the selected motion vector. This consideration includes a sum of the residual error and... Agent: Texas Instruments Incorporated

20070140348 - Video encoding method and apparatus, and video decoding method and apparatus: A method for encoding a video block using reference blocks comprises assigning the video block to one of first and second prediction groups, and encoding the video block according to a motion compensated prediction encoding mode, using the reference blocks depending on the one of the first and second prediction... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070140349 - Video encoding method and apparatus: A video encoder generates a plurality of reference blocks (111) and an image block of an image. An image selector (105) selects one reference block and an encoder (103, 107) codes the image block using the selected reference block. A first transform processor (113) generates transformed reference blocks by applying... Agent: Philips Intellectual Property & Standards

20070140350 - Moving-picture layered coding and decoding methods, apparatuses, and programs: An input video signal is encoded at a plurality of coding layers exhibiting different spatial resolutions. Decoded is a given signal coded at a lower coding layer lower than a specific coding layer among the plurality of coding layers to generate a decoded signal of the lower coding layer. Spatial... Agent: Jeffer, Mangels, Butler & Marmaro, LLP

20070140355 - Information processing apparatus, control method, and program: According to one embodiment, an information processing apparatus which decodes a compression encoded moving image stream, includes a filter processing unit which executes a deblocking filter process in order to reduce block distortion for each decoded picture, a detection unit which detects a load state of the information processing apparatus,... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20070140351 - Interpolation unit for performing half pixel motion estimation and method thereof: An interpolative prediction unit is coupled to a plurality of N columns of a reference picture and to a plurality of M columns of an inverse discrete cosine transform residual signal, the interpolative prediction unit for generating pixel data corresponding to a macroblock in motion estimation and compensation, and includes... Agent: North America Intellectual Property Corporation

20070140353 - Intra prediction skipping in mode selection for video compression: Video compression wherein intra mode selection is accelerated by examining the coding mode of neighboring blocks: With respect to a macroblocks in a P picture, the following macroblocks are examined to determine whether or not the intra mode calculations for a particular macroblock can be skipped: a) The neighboring macroblock... Agent: Marger Johnson & Mccollom, P.C.

20070140354 - Methods and systems for block-based residual upsampling: Embodiments of the present invention comprise methods and systems for block-based residual upsampling. Some embodiments of the present invention comprise methods and systems for residual upsampling for spatially scalable video coding.... Agent: Krieger Intellectual Property, Inc.

20070140352 - Temporal and spatial analysis of a video macroblock: The temporal and/or spatial characteristics of a macroblock are analyzed in order to reduce the number of modes for which motion estimation and rate distortion efficiency calculations are to be performed. In one embodiment, macroblock mean and variance characteristics are analyzed to merge sub-blocks together within the macroblock. These merged... Agent: Epson Research And Development Inc Intellectual Property Dept

20070140357 - Method and apparatus for treating a video signal: A method for treating a video signal including a plurality of consecutive video fields; at least some video fields of the plurality of video fields contributing to a plurality of substantially successively occurring motion sums; includes: (a) Effecting successive comparison of selected of the motion sums with at least one... Agent: Texas Instruments Incorporated

20070140356 - Image processing device, image processing method, and image processing system: An embodiment of the present invention is an image processing device which determines a reference frame for moving image compressing by inter-frame prediction, for each frame of a moving image, includes: a comparing section configured to compare, between frames of the moving image, sums of brightnesses of pixels in the... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070140358 - Video encoding for seamless splicing between encoded video streams: A method of splicing video content from a secondary encoded video stream into a primary encoded video stream, the method including the steps of identifying a splice out-time tout and a splice in-time tin, at least T time after tout, in the primary stream; causing the fullness of primary encoder's... Agent: Smith-hill And Bedell, P.C.

20070140359 - Apparatus for generating and interpreting a data stream modified in accordance with the importance of the data: An apparatus for generating a data stream having a series of segments using data organized in subsequent data frames, a data frame having more important and less important data. It comprises a packetiser for packetising data from a data frame into the series of segments having a first segment and... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070140360 - Reduction of aggregate emi emissions of multiple transmitters: A power efficient and reduced electromagnetic interference (EMI) emissions multi-transmitter system for unshielded twisted pair (UTP) data communication applications. For each transmitter, digital transmit data is converted to a current-mode differential signal analog waveform by a digital-to-analog converter (DAC). The output current from each DAC is used to generate the... Agent: Mcandrews Held & Malloy, Ltd

20070140361 - Method and system for detecting transmitted data signal quality and integrity: The invention relates to a method and system for use in assessing the quality and integrity of a data transmission path or link between a data transmitting location and at least one receiving location at which a broadcast data receiver is located with means to allow an error rate calculation... Agent: Head, Johnson & Kachigian

20070140365 - Beamforming transceiver architecture with enhanced channel estimation and frequency offset estimation capabilities in high throughput wlan systems: A method and system for transmitting bit streams in a telecommunication system, by combining a bit stream with a first portion of a preamble, applying power loading to the combined bit stream, applying eigen-steering to the power loaded bit stream, and combining a second portion of the preamble with the... Agent: Kenneth L. Sherman, Esq. Myers Dawes Andras & Sherman, LLP

20070140367 - Crest factor reduction system and method for ofdm transmission systems using selective sub-carrier degradation: A system and method for crest factor reduction of OFDM transmission systems using selective sub-carrier degradation, is disclosed. A modulated communications signal comprising a series of symbols is converted into parallel format in groups of plural symbols in the frequency domain. Crest factor reduction reduces a primary peak of the... Agent: David L. Henty Myers Dawes Andras & Sherman LLP

20070140364 - Interleaver for ieee 802.11n standard: A MIMO wireless system includes a transmitter having a parser that parses a bit stream into multiple spatial data streams and multiple interleavers corresponding to the multiple spatial data streams, where each interleaver interleaves the bits in the corresponding spatial data stream by performing frequency rotation after an interleaving operation,... Agent: Kenneth L. Sherman, Esq. Myers Dawes Andras & Sherman, LLP

20070140366 - Method for estimating and compensating carrier frequency offset: One inventive aspect relates to a method of estimating carrier frequency offset introduced on an RF multicarrier signal received via a transmission channel on a direct downconversion analog receiver. The method comprises generating a preamble comprising at least one set of training symbols. The method further comprises transmitting the preamble... Agent: Knobbe Martens Olson & Bear LLP

20070140363 - Method of link adaptation in mimo beamforming systems: An apparatus and method for closed-loop signaling over multiple channels in a telecommunication system. Channel condition for each channel is obtained, and transmission rate per channel is determined according to channel condition. The information bit streams is transmitted via the multiple channels over a plurality of transmitter antennas according to... Agent: Kenneth L. Sherman, Esq. Myers Dawes Andras & Sherman, LLP

20070140362 - Radio transmitter with reduced power consumption: A technique for controlling a transmitter apparatus is useful for reducing power consumption, and may be particularly applicable to portable apparatuses such as mobile transceivers which employ a battery power supply. According to an exemplary embodiment, the transmitter apparatus includes a power amplifier for amplifying a transmission signal. A processor... Agent: Joseph J. Laks, Vice President Thomson Licensing LLC

20070140368 - Digital television transmitter and receiver for using 16 state trellis coding: Provided are a Vestigial Side Band (VSB) Digital Television (DTV) transmitter and receiver based on the Advanced Television System Committee (ATSC) A/53, and a method thereof. The present invention provides 8-VSB DTV transmitter and receiver that can improve reception performance of the receiver by transmitting and double streams formed of... Agent: Ladas & Parry LLP

20070140369 - System of robust dtv signal transmissions that legacy dtv receivers will disregard: A DTV signal is transmitted that avoids legacy DTV receivers regarding data segments used in other than ordinary 8VSB transmissions being mistaken for (207, 187) R-S FEC codewords that appear to free of byte error or can be corrected to appear so. The DTV signal is analyzed prior to its... Agent: Allen Leroy Limberg, Esq.

20070140371 - Combining space time block code (stbc) with spatial multiplexing for mimo transmission: A STBC-based transmission method and transmission system provides equal protection on all data streams such that all streams operate at the same SNR. STBC and spatial multiplexing are combined in a transmitter which provides equal STBC coding protection on all data streams. Such a combination of STBC with spatial multiplexing... Agent: Kenneth L. Sherman, Esq. Myers Dawes Andras & Sherman, LLP

20070140373 - Constellation rearrangement for transmit diversity schemes: A method of transmitting data in a wireless communication system from a transmitter to a receiver, comprising the steps of modulating data at the transmitter using a first signal constellation pattern to obtaing a first data symbol. The first data symbol is transmitteds to the receiver using a first diversity... Agent: Stevens, Davis, Miller & Mosher, LLP

20070140372 - Method and system for utilizing space-time codes for block fading channels: A communication system for transmitting encoded signals over a communication channel is disclosed. The system includes a transmitter, which has a source that is configured to output a message signal, and an encoder that is configured to generate a code word in response to the message signal. The code word... Agent: The Directv Group Inc

20070140370 - Receiver and method for decoding a coded signal with the aid of a space-time coding matrix: The disclosure relates to a method for decoding a received signal comprising symbols which are distributed in space and time with the aid of a space-time coding matrix, comprising a space-time decoding stage and at least two iterations, each of which comprising the following sub-stages: diversity pre-decoding, the opposite of... Agent: Westman Champlin & Kelly, P.A.

20070140374 - Spatio-temporal processing for communication: A space-time signal processing system with advantageously reduced complexity. The system may take advantage of multiple transmitter antenna elements and/or multiple receiver antenna elements, or multiple polarizations of a single transmitter antenna element and/or single receiver antenna element. The system is not restricted to wireless contexts and may exploit any... Agent: Dov Rosenfeld

20070140375 - Joint-source channel decoding method and associated joint source-channel decoder: A method of combined source-channel decoding of digital data coding discrete values or symbols (i, j, etc.) received by a channel decoder (51) of a digital data decoder (50) from a source (10) over a transmission channel (40) wherein probabilities (p(i), p(i/j)) associated with said symbols are applied to a... Agent: Thomas Langer Cohen Pontani Lieberman & Pavane

20070140376 - Apparatus and method for crest factor reduction in a communication system: Embodiments of the present invention may provide a CFR apparatus and method in a communication system. The CFR apparatus may include a clipping noise generating device to generate a clipping noise signal for a communication signal based on a clipping threshold value, and a clipping control device to control the... Agent: Ked & Associates, LLP

20070140377 - Multi-antenna reception apparatus, multi-antenna reception method, multi-antenna transmission apparatus and multi-antenna communication system: Soft decision sections (503, 506) provisionally decide each modulated signal (502, 505) separated using an inverse matrix calculation of a channel fluctuation matrix at separation section (501). Signal point reduction sections (508, 510, 514, 516) reduce candidate signal points of a multiplexed modulated signal using the provisional decision results (504,... Agent: Stevens, Davis, Miller & Mosher, LLP

20070140378 - Quadrature modulation apparatus, method, program, and recording medium: An RF signal, which has been obtained by a quadrature modulation, is corrected without performing quadrature demodulation. There are included an in-phase multiplier, a quadrature multiplier, an adder, a power detector, and an error determining part. The in-phase multiplier outputs an in-phase conversion signal by mixing an in-phase local signal... Agent: Greenblum & Bernstein, P.L.C

20070140379 - Method and apparatus for 0/180 degree phase detector: An embodiment of the present invention provides a system for detecting a phase-shifted signal at high frequencies in data and clock recovery circuitry. An up-pulse generator, in one embodiment, provides output pulses having a duration exceeding the duration of input pulses upon detection of a phase-shifted signal leading the reference... Agent: Teradyne, Inc. C/o Foley & Larder, LLP

20070140380 - Method for the higher order blind demodulation of a linear wave-shaped emitter:

20070140381 - Wireless apparatus: A wireless apparatus which performs a frequency conversion on a received signal with a mixer and an analog filter, and which corrects for distortion of the received signal, which occurs because the analog filter is not an ideal one, using a digital filter disables the filtering of the received signal... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070140382 - Bandpass sampling receiver and the sampling method: A bandpass sampling receiver is proposed for receiving RF signals, comprising: the first ADC, for converting the RF signal into the first path of digital signal under the control of the first sampling clock signal; the second ADC, for converting the RF signal into the second path of digital signal... Agent: Philips Electronics North America Corporation Intellectual Property & Standards

20070140383 - Correction circuit for improving performance in a channel decoder: A receiver for a mobile communication system includes a channel equalizer for receiving a burst and generating a soft decision output associated with the burst, a soft decision correction circuit follows the channel equalizer and a decoder receives and decodes a block of bursts. The soft decision correction circuit calculates... Agent: Lelsey M. Morrison Perry + Partners

20070140384 - Vsb reception system with enhanced signal detection for processing supplemental data: A VSB reception system includes a sequence generator for decoding a symbol corresponding to the supplemental data and generating a predefined sequence included in the supplemental data at VSB transmission system. The reception system also includes a modified legacy VSB receiver for processing the data received from the VSB transmission... Agent: Lee, Hong, Degerman, Kang & Schmadeka

20070140385 - Apparatus and methods for determining timing in a communication system: Apparatus and methods for use in a wireless communication system are disclosed for determining a timing position for channel activity in order to resolve timing ambiguity. A disclosed apparatus includes a processor that determines when channel activity occurs in at least one of an early or a late arrival position... Agent: Qualcomm Incorporated

20070140388 - Method and apparatus for acquiring a frequency burst in a radio communication device: A methodology for acquiring a frequency correction burst using a radio communication device including an RF circuit and digital processing circuitry is disclosed. The radio communication device employs a time period during which an signal acquisition time window is open and during which the RF circuit is activated to receive... Agent: Mark P. Kahler

20070140386 - Method and arrangement for automatic frequency control in a communication system: An arrangement (900), method and unit for AFC in a communication system (100) having: a frequency estimator (980) producing a decision-directed frequency estimate from a received signal; and an AFC loop receiving the decision-directed frequency estimate and performing therewith frequency control. The AFC process may use a CRC-decision directed frequency... Agent: Morrison & Foerster LLP

20070140387 - Signal adjustment receiver circuitry: Systems and methods for adjusting a signal received from a communication path are disclosed. A receiver can receive a signal from a communication path which attenuates at least some frequency components of the signal. The receiver can include an equalization block that adjusts at least some of the frequency content... Agent: Fish & NeaveIPGroup Ropes & Gray LLP

20070140389 - Reception system with phase alignment of antenna signals: A reception system for frequency-modulated, i.e. phase-modulated high-frequency signals, for motor vehicles, having a multi-antenna system having at least two antennas, an individually adjustable phase rotation element, situated in the reception path of the corresponding antenna, in each instance, and a subsequent receiver circuit. There is an individually adjustable switching... Agent: William Collard Collard & Roe, P.C.

20070140390 - Method and system for programmable filtering offset: Methods and systems for a programmable filtering offset may include filtering desired data located at a variable offset from a start of a particular message in a data stream using a programmable hardware filter module. The variable offset may be specified in bits or bytes. The programmable hardware filter module... Agent: Mcandrews Held & Malloy, Ltd

20070140391 - Rf complex bandpass-notch filter for rf receiver and tv tuner: A complex bandpass-notch filter is disclosed. It provides both bandpass filtering and image rejection, in complex frequency domain, along with a quadrature signal generation. Consequently, this complex bandpass-notch filter provides the both functions of a bandpass filter and a passive polyphase filter. The complex bandpass-notch filter can be used for... Agent: Jianping Pan

20070140393 - Compensation of reference frequency drift in system requiring critical upstream timing: Systems and methods are disclosed for to compensating reference frequency drift in a communications system having a plurality of modems and a headend, where the system requires critical upstream timing. One embodiment of the method includes learning or determining the relative delay of each modem and reporting each modem's unique... Agent: Mcandrews Held & Malloy, Ltd

20070140392 - Multi-input multi-frequency synthesizing apparatus and method for multi-band rf receiver: A multi-input multi-frequency synthesizing apparatus and method for a multi-band radio frequency (RF) receiver. The frequency synthesizing apparatus may generate an output from a greater number of high frequency signals by using one multi-input single side band (SSB) mixer. The multi-input SSB mixer may generate a signal whose frequency is... Agent: Sughrue Mion, PLLC

20070140394 - Generating a clock crossing signal based on clock ratios: A data communications system is disclosed. The data communications system comprises two clock domains. Each of the clock domains are coupled to receive a source clock signal. The first clock domain includes a first clock signal with a first frequency and the second clock domain includes a second clock signal... Agent: Mhkkg/sun

20070140395 - Method of symbol timing synchronization in communication systems: Symbol timing synchronization in OFDM communication systems where multiple wireless terminals communicate with a single base station is described. Base station transmitter and receiver symbol timing is fixed. Each wireless terminal operates to independently adjust its transmitter timing. Transmitter timing synchronization at the wireless terminal is slaved to the terminal's... Agent: Qualcomm Incorporated

20070140396 - Method for preventing frequency distortion in a multimode system and the system thereof: A method for preventing frequency distortion in a multimode system which includes a main device, a subordinate device, a control circuit and a clock generator. The main device generates a main clock enable signal and a main frequency control signal. The subordinate device generates a sub clock enable signal. The... Agent: Quintero Law Office, PC

20070140397 - Signal alignment based on data signal: Alignment of a receiver clock signal with a transmitter clock signal based upon a received data signal is disclosed. Some embodiments generate, based upon of phase bits and valid phase bits, a phase signal having a voltage level selected from at least three voltage levels. One voltage level corresponds to... Agent: Blakely Sokoloff Taylor & Zafman

20070140398 - Data receiving device and data receiving method: A receiving device (50) is provided to allow appropriate clock regeneration even for a VBR TS when a stream including video and audio data, such as an MPEG2 TS, is transmitted or received in real time through a network having jitter. When the received packet data is stored in a... Agent: Birch Stewart Kolasch & Birch

20070140399 - Phase-locked loop: The phase-locked loop according to the invention comprises a frequency acquisition loop. The frequency acquisition loop comprises a counter that is operable to count the number of periods of an oscillator signal occurring during a predetermined period of time that is derived from a reference signal period of a reference... Agent: Ibm Corporation, T.j. Watson Research Center

20070133658 - Apparatus and method for estimating and correcting frequency offset in mb-ofdm uwb system using time frequency hopping: Provided are an apparatus and method for estimating and correcting a frequency offset in a multiband-Orthogonal Frequency Division Multiplexing Ultra-Wideband system using a time frequency hopping. The method includes the steps of: calculating a tangent input having a first value (X) and a second value (Y) by using PS symbols... Agent: Ladas & Parry LLP

20070133659 - Mimo-cdma apparatus and the coding/decoding method thereof: A Multiple-Output Multiple-Input Code-Division Multiple Access (MIMO-CDMA) apparatus and the coding method thereof. The apparatus includes a transmitter side and receiver side. Both of the transmitter side and the receiver side have a plurality of antennas for achieving the effect of multi-path transmission and receiving. In addition, at the receiver... Agent: Rosenberg, Klein & Lee

20070133660 - Wireless communication system for reducing ranging time: A wireless communication system and a method for reducing a ranging time. The communication system includes a main synchronization block group which processes the transceived signal and determines whether the transceived signal is a signal desired by a transmitting device when a receiving device re-transmits the transceived signal to the... Agent: Sughrue Mion, PLLC

20070133661 - Dmb receiver capable of reducing time required for changing channel: Disclosed is a DMB (digital multimedia broadcasting) receiver configured such that PN (pseudo noise) code processing is performed prior to performing bit deinterleaving and Walsh code processing is performed after performing bit deinterleaving.... Agent: Blakely Sokoloff Taylor & Zafman

20070133662 - Rake receiver for ds-cdma uwb system and ds-cdma receiver having the same: A rake receiver for DS-CDMA UWB system and a DS-CDMA receiver having the same are provided. The rake receiver includes: a channel estimator for estimating a channel having a predetermined chip duration by using a synchronization acquisition sequence; a tracking module for detecting a channel variation and adjusting a synchronization... Agent: Ladas & Parry LLP

20070133663 - Data packet transmission for channel-sharing collocated wireless devices: Interference between collocated wireless devices sharing the same RF channel is avoided or minimized by a new header format provided for the first data packet in an RF transmission. By inclusion of an invalid pulse in the header of each isolated data packet, an FM receiver that “captures” a desired... Agent: Banner & Witcoff, Ltd. Attorneys For Client Nos. 003797 & 013797

20070133664 - Digital receiver device for dsss-encoded signals: A device for decoding a direct sequence spread spectrum-encoded binary message includes a sampler that captures at least one sequence of binary samples corresponding to one bit of the transmitted message. The captured sequence of samples are applied to a filter matched to the spreading code used, thus making it... Agent: Jenkens & Gilchrist, PC

20070133665 - Network aware mobile devices and operations: A network aware mobile device (12) includes a transceiver, which identifies one of a plurality of networks (18,20,22) with which the transceiver can communicate. Memory stores information associating networks with operations, which can be performed using the transceiver. Operations are executed when communication with one of the plurality of networks... Agent: Joseph J. Laks, Vice President Thomson Licensing LLC

20070133666 - Transmission system of a digital signal: A transmission system for a digital signal includes a transmitter and a receiver connected thereto by a transfer bus. The transmission system includes at least one conductive line capacitively coupled with the transfer bus.... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20070133667 - Timing lock detection apparatus and method for digital broadcasting receiver: A timing lock detection apparatus and method for digital broadcasting receiver are provided. The apparatus includes: a discrete value generator for cyclically selecting a discrete signal value from a continuous timing error signal; a differential calculator for obtaining a difference between the currently selected timing error signal value and a... Agent: Blakely Sokoloff Taylor & Zafman

20070133668 - Average-tap energy based thresholding for channel estimation in multi antenna systems: Techniques to facilitate estimating the frequency response of a wireless channel in an OFDM system are provided. The method and systems allow for combining signal information across multiple communication channels at one or more channel tap delays in order to determine appropriate taps for channel information.... Agent: Qualcomm Incorporated

20070133669 - Method and system for equalization of a replacement load: A system (10) and method (50) of equalizing an audio signal from an existing radio or head unit (30) using an interface unit (10) between the radio or head unit and a replacement load (34) can include the steps analyzing (64) an existing equalization to provide a measure of an... Agent: Akerman Senterfitt

20070133670 - Parallel equalizer for ds-cdma uwb system and method thereof: A parallel equalizer for a DS-CDMA UWB system and method thereof are provided. The parallel equalizer includes: a filter block for filtering a training input signal in a ‘training mode’, and filtering the plurality of input signals in parallel in a ‘symbol decision mode’; a symbol decision block for obtaining... Agent: Ladas & Parry LLP

20070133671 - Active delay line: A delay line for deployment in an equalizer to insert a delay in a signal received by the delay line employs a plurality of cascaded delay stages where the delay per stage provided by an active unit-gain amplifier in each stage that provides sufficient impedance mismatch between the delay stages... Agent: Infinera Corporation

20070133672 - Apparatus and method for stable def using selective fbf: A decision feedback equalizing apparatus selectively using a feedback filter and a method thereof are provided. The apparatus includes: an equalizing unit including a feed forward filter (FFF) for correcting a distorted transmission channel by receiving a match-filtered signal and a feedback filter (FBF) for reducing inter symbol interference ISI... Agent: Blakely Sokoloff Taylor & Zafman

20070133674 - Device for coding, method for coding, system for decoding, method for decoding video data: The invention relates to a device and a method for coding video data. The device comprising means for coding each picture in slices of pictures, each slice being coded independently of the other slices. According to the invention, the device comprises means for inserting into the data stream at least... Agent: Joseph J. Laks, Vice President Thomson Licensing LLC

20070133673 - High definition multimedia interface transcoding system: According to one embodiment, a system including a decoder and a high definition multimedia interface (HDMI) whose copy protection protocol has been modified to allow the received uncompressed digital audio-video content from the decoder to be re-encoded and recorded.... Agent: Blakely Sokoloff Taylor & Zafman

20070133678 - Information processing apparatus, control method and program: According to one embodiment, when a plurality of video frames are encoded in parallel, a rate control is executed on the basis of the generated bit amount in the encoded video frames, and encoding the video frames and a rate control at a synchronization point 6-2 are executed in parallel.... Agent: Blakely Sokoloff Taylor & Zafman

20070133679 - Encoder, method for adjusting decoding calculation, and computer program product therefor: An encoder, a method for adjusting decoding calculation, and computer program product therefor are provided. The encoder, comprising a parameter generator, an adder and a complexity computation unit, adjusts decoding calculation according to a first encoding parameter which is generated based on a video frame. The method and the computer... Agent: Patterson, Thuente, Skaar & Christensen, P.A.

20070133676 - Method and apparatus for encoding and decoding video signal depending on characteristics of coefficients included in block of fgs layer: Encoding and decoding video signals according to the characteristics of coefficients included in the block of a fine granularity scalability layer is provided. Non-unitary coefficients that constitute the block and have absolute values that are not 0 or 1 are extracted from the video signal, a representative value from run... Agent: Sughrue Mion, PLLC

20070133677 - Method and apparatus for encoding and decoding video signals on group basis: A method and apparatus for encoding and decoding a video signal on a group basis is disclosed, in which blocks constituting a multi-layer video signal are coded. The method includes grouping every two or more blocks having symbols that have a value identical to a predetermined value, generating group-based symbols... Agent: Sughrue Mion, PLLC

20070133675 - Video transmitting apparatus and video receiving apparatus: A video transmitting apparatus that is able to efficiently transmit and decode only the video data of the region of interest without lowering coding efficiency, and that is able to change the region of interest during reproduction of video. In this apparatus, a base layer coding section (116) codes the... Agent: Greenblum & Bernstein, P.L.C

20070133680 - Method of and apparatus for coding moving picture, and method of and apparatus for decoding moving picture: A method of coding a moving picture for performing hierarchical coding comprises the steps of performing a first process on an input picture signal and thereafter spatially dividing the input picture signal into layers to obtain a first signal, reducing the input picture signal with a resolution converting filter and... Agent: Foley And Lardner LLP Suite 500

20070133686 - Apparatus and method for frame interpolation based on motion estimation: A method for frame interpolation based on motion estimation converts a frame rate of an image frame source according to an appliance that displays the image frame. An apparatus for frame interpolation based on motion estimation includes a motion vector estimation unit estimating a final motion vector of a block... Agent: Sughrue Mion, PLLC

20070133684 - Image processing method, image processing device, image display apparatus, and program: Disclosed is an image processing method which generates an interpolation image for compensating for a motion of an image between adjacent frames. The image processing method includes: detecting a motion vector of a detection target block on the basis of a comparison result obtained by dividing a frame into a... Agent: Oliff & Berridge, PLC

20070133681 - Method and related apparatus for motion estimation: Disclosed is a motion estimation method for selecting a target motion vector from a plurality of candidate motion vectors in a search range of a target picture for an encoding block having a lot of pixels in a picture is disclosed. The method comprises: utilizing a distortion function to calculate... Agent: North America Intellectual Property Corporation

20070133682 - Method of detecting motion vector, image processing device, image display apparatus, and program: In a method of detecting a motion vector, each of a plurality of frames constituting an image along a time axis is divided into a plurality of blocks, a motion vector of a target block is detected using a motion vector that has already been detected from another block adjacent... Agent: Oliff & Berridge, PLC

20070133685 - Motion estimating apparatus and motion estimating method: An apparatus and method for estimating motion are provided. An exemplary motion estimating apparatus comprises a background representative calculator for calculating a background representative vector representing background motion of a frame to be interpolated on the basis of motion vectors of the frame to be interpolated, a block motion calculator... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.

20070133683 - Motion vector estimation device and motion vector estimation method: A moving picture estimation device and a moving picture estimation method which allow estimation of accurate motion vectors while reducing an amount of processing are provided. A moving picture coding apparatus includes: a reduced picture generation unit which generates a reduced current picture to be coded and candidate reduced reference... Agent: Mcdermott Will & Emery LLP

20070133687 - Motion compensation method: A motion compensation method for achieving the reduction of operation workload and the simplification of a hardware configuration includes: interpolation having (i) a first calculation step (S100) of calculating base values of sub-pixel values by multiplying coefficients with pixel values of pixels included in a reference picture and (ii) a... Agent: Wenderoth, Lind & Ponack L.L.P.

20070133688 - Hardware multi-standard video decoder device: A hardware multi-standard video decoder device. A command parser accesses a video stream and identifies a video encoding standard used for encoding the video stream. A plurality of hardware decoding blocks perform operations associated with decoding the video stream, wherein different subsets of the plurality of hardware decoding blocks are... Agent: Wagner, Murabito & Hao LLP

20070133689 - Low-cost motion estimation apparatus and method thereof: Provided are motion estimation algorithm development and design of a structure for implementing hardware of a motion estimator. A hardware structure that simultaneously satisfies MPEG-4 and H.264 standards and requires less hardware is provided. The provided structure is applicable to both MPEG-4 and H.264 using one hardware device according to... Agent: Ladas & Parry LLP

20070133690 - Adaptive complexity control for motion estimation during video encoding: A adaptive complexity control algorithm is proposed to reduce the complexity of H.264 motion estimation. The main idea is to limit the complexity of motion estimation based on the expected RD coding gain loss. In order to efficiently reduce the complexity to desired level, ACC is designed to provide complexity... Agent: Mitsubishi Electric Research Laboratories, Inc.

20070133691 - Method and apparatus for layered rateless coding: A method and apparatus for layered rateless coding are described. In one embodiment, the method comprises dividing content into a plurality of content layers based on priority; expanding each layer into an encoded layer using an erasure code at a coding rate to produce a plurality of encoding layers, wherein... Agent: Blakely Sokoloff Taylor & Zafman

20070133692 - Hardware multi-stream multi-standard video decoder device: A hardware multi-stream multi-standard video decoder device. A command parser accesses a plurality of video streams, identifies a video encoding standard used for encoding video streams of the plurality of video streams, and interleaves portions of the plurality of video streams. A plurality of hardware decoding blocks perform operations associated... Agent: Wagner, Murabito & Hao LLP

20070133693 - Method and system for extracting/storing specific program from mpeg multpile program tranport stream: This invention provides an improved method for storing/replaying a specific program from a MPEG-2 multiple program transport stream. When storing, the method discards a related transport packet of the non-user-selected program and inserts a null packet at the corresponding discarding position, and the effective load of this null packet contains... Agent: Philips Intellectual Property & Standards

20070133694 - Communication system for transmitting and receiving a communication signal having an intra-guard-interval: A communication system which transmits and receives a communication signal having an intra-guard-interval (IGI) inserted is provided. The communication system includes a signal generator which is configured to generate a signal to carry data; and a signal output part which is configured to split a symbol period, which is a... Agent: Sughrue Mion, PLLC

20070133699 - Apparatus and method for recovering frequency in an orthogonal frequency division multiplexing system: An apparatus and method for recovering a carrier frequency of a received signal using a predefined symbol in an OFDM system is provided. A maximum value detector detects at least three values and their corresponding offsets in descending order among auto-correlation values calculated within a specific frequency offset range between... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.

20070133698 - Device for compensating radio frequency distortion in orthogonal frequency division multiplexing transmission system and method thereof: The present invention relates to a device for compensating a radio frequency distortion caused by a sample/hold operation of a digital/analog converter in an orthogonal frequency division multiplexing (OFDM) transmission system, and a method thereof. In a digital transmission system, an edge frequency signal of a transmission signal band is... Agent: Ladas & Parry LLP

20070133696 - Kalman filter for channel estimation in ofdm systems: A scalar Kalman filter is applied for a Least-Square estimated value Hs at s. The filter has an input for receiving Hs, a filter equation and an out for the corrected estimated value Hsk for the kth variable. The filter equation is Hsk=KgainSn[k] wherein: correction Sn[k]=S+Kn(Hs−S); prediction of the correction... Agent: Barnes & Thornburg LLP

20070133695 - Method and system for channel assignment of ofdm channels: A method and system for assigning a carrier channel to a subscriber device (102) in an OFDM system is provided. The method includes estimating (602) a link impairment associated with the subscriber device. The method also includes assigning (604) the subscriber device to a carrier channel having a cyclic prefix... Agent: Motorola, Inc.

20070133697 - Method and system for synchoronizing a receiver in an ofdm system: Method and system for synchronizing a receiver in an Orthogonal Frequency Division Multiplexing (OFDM) system. The method comprises transforming (105) a received signal from the time domain into the frequency domain to produce a transformed signal. The method further comprises rotating (110) each set of ranging tones of the transformed... Agent: Motorola, Inc.

20070133700 - Method for blind channel estimation: Provided is a method for channel estimation increasing frequency band efficiency lost by using a pilot, and reducing sensitivity to channel zero, instability, and complexity. The method includes the steps of: (a) generating an i-th symbol block Si including N carriers; (b) performing an inverse fast Fourier transform (IFFT) operation... Agent: Ladas & Parry LLP

20070133704 - Method for seamlessly changing power modes in an adsl system: A DMT system and method with the capability to adapt the system bit rate on-line in a seamless manner. The DMT system provides a robust and fast protocol for completing this seamless rate adaptation. The DMT system also provides a framing and encoding method with reduced overhead compared to conventional... Agent: Sheridan Ross P C

20070133705 - Method for synchronizing seamless rate adaptation: A DMT system and method with the capability to adapt the system bit rate on-line in a seamless manner. The DMT system provides a robust and fast protocol for completing this seamless rate adaptation. The DMT system also provides a framing and encoding method with reduced overhead compared to conventional... Agent: Sheridan Ross P C

20070133701 - Radio communications device and radio communications controlling method: The present invention aims at ensuring both delayed wave resistance and fading resistance in good balance. A delay time measuring unit measures delay time determined based on a time point of a subcarrier out of a plurality of subcarriers arriving first and a time point of another subcarrier arriving through... Agent: Mcdermott Will & Emery LLP

20070133702 - Signal transmitting and receiving apparatuses: The present invention relates to signal transmitting/receiving apparatuses. The signal transmitting apparatus includes an inverse discrete Fourier transform module, a cyclic prefix adding module, a preamble adding module, and a digital-analog converting module. The inverse discrete Fourier transform module receives modulated data, performs inverse discrete Fourier transform, and generates a... Agent: Mayer, Brown, Rowe & Maw LLP

20070133703 - Terminal demodulation apparatus and method: A terminal demodulation apparatus previously stores a received frame signal in a memory before inputting the same into a fast Fourier transform (FFT) unit, performs a demodulation to necessary information read from the corresponding memory, and has a separate data subcarrier memory and pilot subcarrier memory, and uses the signal... Agent: The Farrell Law Firm, P.C.

20070133706 - Method for correlative encoding and decoding: A method for correlatively encoding is used to improve spectrum performance, particularly for rectangular-pulse-shaped OFDM (Orthogonal Frequency-Division Multiplexing) signals no matter whether cyclic prefix or zero padding is added to the OFDM signals or not. In accordance with the method for correlatively encoding according to the present invention, OFDM signals... Agent: Rosenberg, Klein & Lee

20070133707 - Apparatus and method for determining transmit/receive antenna in communication system using multiple antennas: Disclosed are an apparatus and a method for determining a transmit/receive antenna in a Multiple Input Multiple Output (MIMO) communication system. At least one sub-channel matrix including transmit antenna information and receive antenna information is generated. From the at least one sub-channel matrix, a sub-channel matrix having a maximum value... Agent: The Farrell Law Firm, P.C.

20070133709 - Apparatus and method for iterative detection and decoding (idd) in multi-antenna communication system: An Iterafive Detection and Decoding (IDD) receiving apparatus and method in a multiple input multiple output (MIMO) communication system. The IDD receiving apparatus includes an MIMO detector which generates soft decision values of coded bits by MIMO-decoding a receive vector, feedback priori information, and a list of candidate coded symbol... Agent: The Farrell Law Firm, P.C.

20070133708 - Method and apparatus for allocating transmission power in communication system with multiple antennas: In a method for allocating transmission power in a communication system including multiple antennas, a plurality of subcarriers are grouped by a plurality of groups, and each group includes at least one subcarrier. A transmission power weight and an antenna transmission vector are calculated for each group by using channel... Agent: The Farrell Law Firm, P.C.

20070133710 - Digital object title and transmission information: Embodiments for generating digital title and transmission information are disclosed.... Agent: Berkeley Law & Technology Group, LLP

20070133712 - Communication apparatus and communication method used in spectrum sharing environment: A communication apparatus used in a spectrum sharing environment in which multiple communication systems coexist using the same spectrum band is provided. The apparatus includes a transmission pulse shaper that performs bandwidth limitation on a pulse which is used to send data symbols; a monitoring unit that monitors in-band interference... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070133711 - Transmission interface module for digital and continuous-waveform transmission signals: An integrated circuit radio transmitter includes a baseband processing module that is operable to generate digital data for transmission through a wireless interface, first transmission logic for generating first continuous waveform transmission signals, second transmission logic for generating second continuous waveform transmission signals, and third transmission logic for generating digital... Agent: Garlick Harrison & Markison

20070133713 - Power amplifier pre-distorter training: A power amplifier pre-distorter is formed by a FIR filter structure which includes an individual look-up table for each filter tap, where each look-up table represents a sample polynomial in a variable representing signal amplitude, and means for selecting, from each filter tap look-up table, a filter coefficient that depends... Agent: Ericsson Inc.

20070133714 - Systems and methods of rf power transmission, modulation, and amplification, including transfer function embodiments: Methods and systems for vector combining power amplification are disclosed herein. In one embodiment, a plurality of signals are individually amplified, then summed to form a desired time-varying complex envelope signal. Phase and/or frequency characteristics of one or more of the signals are controlled to provide the desired phase, frequency,... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20070133715 - Frequency modulation-frequency shift keying demodulator: A frequency modulation-frequency shift keying (FM/FSK) demodulator is provided, including a modulation signal input terminal for receiving a first modulation signal; a phase shifter for receiving the first modulation signal and then shifting its phase to output a second modulation signal; a multiplier connected to the modulation signal input terminal... Agent: Harness, Dickey & Pierce, P.L.C

20070133716 - Digital multimedia broadcasting receiver having improved reception capability and channel estimation method of the same: A DMB (digital multimedia broadcasting) receiver is provided, including: an equalizing unit compensating for distortion in CDM (code division multiplexing) channel signals in DMB based on a tap factor; and a channel estimation unit comparing version information contained in individual CDM channel control data in a pilot channel signal in... Agent: Blakely Sokoloff Taylor & Zafman

20070133717 - Apparatus, method and computer program product providing a computationally efficient maximum likelihood joint synchronization and channel estimation algorithm: A method, computer program and apparatus operate so as to execute a two-dimensional (2-D) M survivor multi-resolution search algorithm and procedure for a signal received over a channel. The method includes, from one search stage to a next search stage, increasing parameter resolution while fixing a number of search operations... Agent: Harrington & Smith, PC

20070133719 - High-speed receiver architecture: A receiver (e.g., for a 10 G fiber communications link) includes an interleaved ADC coupled to a multi-channel equalizer that can provide different equalization for different ADC channels within the interleaved ADC. That is, the multi-channel equalizer can compensate for channel-dependent impairments. In one approach, the multi-channel equalizer is a... Agent: Fenwick & West LLP

20070133718 - Soft decision demapping method suitable for higher-order modulation for iterative decoder and error correction apparatus using the same: Provided are a soft decision demapping method suitable for higher-order modulation for an iterative decoder and an error correction apparatus using the same, which are capable of preventing performance deterioration of repetition codes using an efficient technique. The soft decision demapping method includes defining distance values between a received signal... Agent: Mayer, Brown, Rowe & Maw LLP

20070133720 - Receiver of pulses of an ultra wide band type signal and associated method: A receiver of electromagnetic and a method for receiving electromagnetic signals transmitted in a frequency band having a predetermined upper limit fMAX and representing a stream of information by means of a modulation of pulses at a predetermined average pulse repetition frequency fPRP. The receiver includes an input stage including... Agent: Brinks Hofer Gilson & Lione

20070133723 - Method and apparatus for cancellation of cross-talk signals using multi-dimensional coordination and vectored transmission: The present invention relates to a method and an apparatus for cancellation of crosstalk signals using multi-dimensional coordination and vectored transmission. A method of canceling crosstalk signals in a receiver includes a step of multi-dimensionally decomposing the received signals into a user domain and a time domain, a step of... Agent: Mayer, Brown, Rowe & Maw LLP

20070133721 - Method and apparatus for phase-noise compensation in digital receivers: A method and apparatus for compensation of noise in a received signal includes receiving a received signal comprised of a sum of a transmitted signal and a disturbance signal in a demodulator, summing the received signal and a compensation signal to produce a demodulation signal, determining a transmitted symbol based... Agent: Stanley R. Moore Jenkens & Gilchrist, A Professional Corporation

20070133722 - Multi-channel equalization to compensate for impairments introduced by interleaved devices: A system includes a time-interleaved device. An equalizer effectively can apply different equalization to different interleaved channels. For convenience, these equalizers will be referred to as multi-channel equalizers. In one aspect, an apparatus includes an interleaved device having M interleaved channels, and a multi-channel equalizer coupled to the interleaved device.... Agent: Fenwick & West LLP

20070133725 - Apparatus and method for correcting frequency offset in satellite digital video broadcasting system: Provided are an apparatus and method for correcting a frequency offset in a satellite digital video broadcasting system. The apparatus includes: a frequency response transformer for receiving a satellite digital video broadcasting signal and acquiring a plurality of frequency responses divided into a positive frequency part and a negative frequency... Agent: Ladas & Parry LLP

20070133724 - Method and apparatus for time synchronization of devices within electrical power systems: A method for distributing a timing signal to a device. The method includes receiving a timing signal from a timing source, receiving a power signal, superimposing the timing signal on the power signal to facilitate creating a different power signal to be distributed to the device, decoding the timing signal... Agent: Patrick W. Rasche (12552)

20070133726 - Reference clock recovery for \"eye\" measurements: A method for recovering a clock from a serial data stream for use in producing “eye” diagram measurements includes determining an initial recovered clock from the serial data stream based upon transition edges. Time interval error values are then determined as a function of the transition edges and corresponding initial... Agent: Thomas F. Lenihan Tektronix, Inc.

20070133727 - Frame synchronization method based on differential correlation information in satellite communication system: Provided is a frame synchronization method for synchronizing frames with pilot blocks added thereto based on differential correlation information in a satellite communication system. The method can acquire a highly reliable frame synchronization estimation value by achieving a multi-step threshold value test using pilot blocks after a correlation analysis and... Agent: Blakely Sokoloff Taylor & Zafman

20070133728 - Apparatus and method for acquiring frame timing in communication system: Disclosed is an apparatus for acquiring initial frame timing in a communication system having a normalizer that calculates a normalized window power from powers of samples of received signal during a monitoring period, a cross power calculator that calculates a window cross power from cross powers of the samples during... Agent: The Farrell Law Firm, P.C.

20070133729 - Spread ratio fixing circuit and method for generating spread spectrum clock: An apparatus for generating a spread spectrum clock with constant spread ratio includes a resistance-capacitance oscillator which is used for generating a first clock signal. In addition, the present invention further includes a spread spectrum charge pump circuit, a loop filter, and a voltage controlled oscillator (VCO). The spread spectrum... Agent: J.c. Patents, Inc.

20070133730 - Apparatus and method for avoiding steady-state oscillations in the generation of clock signals: A digital control loop and a method for clock generation. A control loop includes at least one phase detector configured to detect a phase shift of a feedback signal relative to a reference clock signal and output a correction signal on the basis of the phase shift detected. At least... Agent: Patterson & Sheridan, LLP Gero Mcclellan / Infineon / Qimonda

20070127553 - Code reuse multiple access for satellite return link: This invention is a multiple access communication technique by which a multitude of transmitters communicate with receivers using direct sequence spread spectrum signaling. The direct sequence codes are reused by a large number of simultaneous transmitters, so the system is named Code Reuse Multiple Access (“CRMA”). This reuse method requires... Agent: Townsend And Townsend And Crew LLP Viasat, Inc (client #017018)

20070127554 - Communication network using synchronous code division multiplexing method: In a communication network which performs transmission from a plurality of first communication devices to a single second communication device using a synchronous code division multiplexing technique, the phases of signals transmitted from the first communication devices are synchronized easily. The first communication devices control the transmission phase of spread... Agent: Venable LLP

20070127555 - Methods of geographically storing and publishing electronic content: A server system receives information from a client and publishes the information over the Internet. The information includes textual, graphical, or other digitized forms of informational data such as geographic data, a Latitude and/or Longitude, an address, a partial address, an altitude, a region, or the like. The server system... Agent: Henry Lynch

20070127557 - Fractionally-spaced equalizers for spread spectrum wireless communication: This disclosure describes equalization techniques for spread spectrum wireless communication. The techniques may involve estimating a channel impulse response, estimating channel variance, and selecting filter coefficients for an equalizer based on the estimated channel impulse response and the estimated channel variance. Moreover, in accordance with this disclosure, the channel variance... Agent: Qualcomm Incorporated

20070127558 - Interference cancellation with improved estimation and tracking for wireless communication: Techniques for performing interference cancellation in a wireless (e.g., CDMA) communication system are described. In one aspect, per-bin power estimates for multiple orthogonal bins are derived by estimating at least two components of these power estimates. The components may include, e.g., channel gain, noise and interference, and bin gain. Interference... Agent: Qualcomm Incorporated

20070127556 - Rake reception device and rake reception method: A RAKE reception device capable of allocating an appropriate number of fingers to a channel. In this device, a selection control section (301) sets a finger (304) allocated to the channel from the channel communication state and a control signal based on this setting is output to a synchronization processing... Agent: Stevens, Davis, Miller & Mosher, LLP

20070127559 - Systems and methods for testing the performance of and simulating a wireless communication device: A system abstracts channel information from field data gathered in actual wireless communication system environments. The abstracted data is then transformed into control signals or programming codes that can be used to control channel simulators so as to recreate the field conditions, including path loss, slow fading, fast fading, path... Agent: Kyocera Wireless Corp.

20070127560 - Demodulator circuit of rfid system: Provided is a demodulator circuit allowing a tag or transponder to efficiently recover data of an input amplitude signal at very low power in a wireless communication system such as a radio frequency identification (RFID) system. The demodulator connects an output of a voltage multiplier to a low-current path by... Agent: Ladas & Parry LLP

20070127561 - Wireless communications system with reduced sideband noise and carrier leakage: The present invention discloses a wireless communications system with reduced sideband noise and carrier leakage. In the system, at least one transmitter modulates at least one input signal with a first carrier to generate a modulated output signal, and at least one receiver receives the modulated output signal and demodulates... Agent: L. Howard Chen, Esq. Kirkpatrick & Lockhart Preston Gates Ellis LLP

20070127562 - Apparatus and method for frequency calibration between two radios: Wireless devices transmit and receive radio signals based upon reference frequencies generated by crystal oscillators. If the reference frequencies of the transmitter and the receiver are different, the radio signals may not be received properly or may not be received at all. A measurement circuit measures the amount of error... Agent: Marger Johnson & Mccollom, P.C.

20070127563 - On-line step-size calculation using signal power estimation and tone grouping of the frequency-domain equalizer for dmt-based transceiver: An efficient method for calculating the step-sizes for a frequency-domain equalizer of a discrete-multitone communications system using signal power estimation and tone grouping (SPE-TG) while on-line. The SPE-TG method is used to calculate a plurality of subchannel step-sizes which are then stored in a lookup table. When on-line, the method... Agent: Rosenberg, Klein & Lee

20070127564 - Image display device for car monitoring system: An image display device for a car monitoring system includes a microprocessor, digital image decoder/encoder, a timing controller, and a display. The microprocessor connects to a reversing sensor to acquire a distance value of a detected obstacle. The digital image decoder connects to a camera to convert an analog image... Agent: Cooper & Dunham, LLP

20070127566 - Digital stream transcoder with a hybrid-rate controller: A rate controller in a transcoder, which receives a stream of compressed frames carried in a bit stream, selectively determines whether to quantize and/or threshold slices of a frame carried in the stream of frames. The rate controller determines the input size of the frame and based at least in... Agent: Scientific-atlanta, Inc. Intellectual Property Dept. Ms 4.3.510

20070127567 - 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

20070127565 - Video encoding method and device: The invention relates to a video encoding method provided for encoding each frame of a sequence of successive groups of frames. This method comprises for each successive current frame, itself subdivided into blocks, the steps of estimating a motion vector for each block, generating a predicted frame from these motion... Agent: Philips Intellectual Property & Standards

20070127568 - Device and method for extracting contour of moving object: A device includes: a motion vector decoder that decodes the encoded motion vector information; a motion vector classification unit that classifies a moving direction of the motion vector into one of a plurality of directional ranges that are preliminarily defined; a different direction image block extractor that extracts the image... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070127570 - Image processor and image processing method: An image processor, which requires a transfer rate lower than the conventional rate, for transmitting pixel data between a DDR-DRAM and a memory, and is configured of: a decoded chrominance pixel output unit which writes pixel data into a DDR-DRAM per p×q pixel unit or per p×q pixel units, each... Agent: Wenderoth, Lind & Ponack L.L.P.

20070127569 - System and method for the prevention of display burn-in: A system and method for the prevention of display burn-in in Motion Picture Experts Group (MPEG) and non-MPEG environments. In one environment, a system may include an image sampler to sample images from a decoded video stream; a static area detector to successively compare the sampled images using a pixel-wise... Agent: Intel Corporation C/o Intellevate, LLC

20070127571 - Image processing apparatus and method: I and P pictures are encoded in the order of the frames of image data by referring to reference pictures. After the I and P pictures are encoded, B pictures between the I and P pictures or between the P pictures are encoded by referring to the reference pictures. Whether... Agent: Fitzpatrick Cella Harper & Scinto

20070127574 - Algorithm description on non-motion blur image generation project: A method for simulating an image captured at a long exposure time (“simulated image”), includes (1) capturing each of first, second, and third images at a short exposure time, (2) determining a first relative motion between the first and the second images, (3) transforming the first image to remove the... Agent: Patent Law Group LLP

20070127572 - Decoding device, encoding device, interpolation frame creating system, integrated circuit device, decoding program, and encoding program: An object of the present invention is to provide a decoding device, an encoding device, an interpolation frame creating system, an integrated circuit device, a decoding program and an encoding program for creating interpolation frames at a high precision with an encoding efficiency being improved. The decoding device (12) includes... Agent: Wenderoth, Lind & Ponack L.L.P.

20070127577 - Device and method for fast sub sample block-matching motion estimation in video encoders: Motion Estimation is one of the most computationally complex processes within a video encoding system. Several Fast Integer Sample Motion Estimation schemes are introduced to reduce complexity of considering integer positions during motion estimation. However, after making such considerations fractional sample motion vector refinement becomes instead the greatest bottleneck for... Agent: Burns & Levinson LLP

20070127573 - Hierarchical motion estimation for images with varying horizontal and/or vertical dimensions: A method for implementing motion estimation comprising the steps of (A) performing a motion estimation search on one or more blocks of sub-sampled images to generate a first plurality of motion vector scores, (B) applying a first adjustable bias to any one or more of said first plurality of motion... Agent: Lsi Logic Corporation

20070127576 - Method and device for decoding a scalable video stream: For decoding a scalable video stream, in which the images may be decoded by groups of several images, each group being constituted by at least three levels of image temporal hierarchy, the images of the lowest level having the lowest time frequency and the images of each following level having... Agent: Fitzpatrick Cella Harper & Scinto

20070127575 - Method and related apparatus for motion estimation: Disclosed is a motion estimation method for selecting a target motion vector from a plurality of candidate motion vectors in a search range of a target picture for an encoding block having a lot of pixels in a picture is disclosed. The method comprises: utilizing a distortion function to calculate... Agent: North America Intellectual Property Corporation

20070127578 - Low delay and small memory footprint picture buffering: Techniques for low delay and small memory footprint picture buffering are described. For example, an apparatus may include a media processing node to receive a decoded video frame. The media processing node may selectively output and selectively buffer the decoded video frame. Other embodiments are described and claimed.... Agent: Kacvinsky LLC C/o Intellevate

20070127579 - Method and apparatus for improved coding mode selection: Some embodiments provide a method for selecting an encoding mode from several encoding modes. For each encoding mode from several encoding modes, the method computes a Lagrangian value based on a distortion value that is identified by using a function that reduces the impact of outliers. The method selects a... Agent: Stattler, Johansen, And Adeli LLP

20070127580 - Method, medium, and apparatus encoding and/or decoding an audio signal: A method, medium, and apparatus encoding and/or decoding an audio signal. The method of encoding an audio signal includes transforming an input audio signal into an audio signal in a frequency domain, quantizing the frequency-domain transformed audio signal, and performing bitplane coding on the quantized audio signal using a context... Agent: Staas & Halsey LLP

20070127581 - Data transmission at energy efficient rates: A method and apparatus for data transmission at energy efficient rates. An embodiment of an apparatus includes a port for the transfer of data. The port has an active state in which the port may transmit or receive data and an inactive state in which the port does not transmit... Agent: Blakely Sokoloff Taylor & Zafman

20070127582 - Adaptive channel equalizer and method for equalizing channels therewith: A channel equalizer obtains channel impulse responses (CIRs) for all subcarriers by way of filtering channel impulse responses of specific subcarriers using at least two filters. One of the two filters may be a low pass filter. At least one other of the at least two filters is implemented as... Agent: F. Chau & Associates, LLC

20070127583 - Digital generator and digital receiver for fdm signals: An aspect of the invention relates to a digital generator for multi-carrier frequency division multiplexing (FDM) signals. The digital generator comprises an electronic circuit being operated under the control of a computer program. The digital generator is configured to generate FDM signals being comprised of FDM symbols, wherein at least... Agent: Sughrue Mion, PLLC

20070127584 - Fast initialization using seamless rate adaptation: A method for initializing modems in a multicarrier transmission system to establish a communication link between the transmitter and the receiver. An exemplary embodiment includes the steps of providing a predetermined parameter value that approximates a corresponding actual parameter value of the communication link, establishing a data communication link between... Agent: Sheridan Ross P C

20070127585 - Encoding apparatus, encoding method, and computer product: An encoding apparatus compresses a stereo signal using a sum signal and a difference signal of a left component signal and a right component signal of the stereo signal. The encoding apparatus includes a calculating unit that calculates complexity of the sum signal and complexity of the difference signal; a... Agent: Katten Muchin Rosenman LLP

20070127587 - Interleaver design for ieee 802.11n standard: A MIMO wireless system includes a transmitter having a parser that parses a bit stream into multiple spatial data streams and multiple interleavers corresponding to the multiple spatial data streams, where each interleaver interleaves the bits in the corresponding spatial data stream by performing multiple column rotations and row rotation,... Agent: Kenneth L. Sherman, Esq. Myers Dawes Andras & Sherman, LLP

20070127589 - Log-likelihood ration (llr) generating apparatus and method in mimo antenna communication system: A Log-Likelihood Ratio (LLR) generating apparatus and method in a communication system using a spatial multiplexing scheme. The reception method includes acquiring at least one estimated transmit vector by demodulating a receive vector using at least one Multiple Input Multiple Output (MIMO) detection process; selecting one of the at least... Agent: The Farrell Law Firm, P.C.

20070127588 - Method and apparatus for channel and noise estimation: Techniques for performing channel and noise estimation for a MIMO transmission sent from multiple transmit antennas to multiple receive antennas are described. Samples are obtained from the receive antennas. For a first scheme, channel estimates are derived by correlating the samples with at least one pilot sequence, and signal, noise... Agent: Qualcomm Incorporated

20070127586 - Multiple stream co-phasing for multiple-input-multiple-output (mimo) systems: A system and method for transmitting multiple independent data streams from subsets of a plurality of radio antennas. The method includes determining by the receiver, an antenna partitioning, including relative phase rotations to be applied to each antenna, that results in the highest channel capacity among the possible partitionings. The... Agent: Ericsson Inc.

20070127590 - System and method providing signal combining to support multimode communication: A system and method providing signal combining to support multimode communication. Various aspects of the present invention may provide a first input adapted to receive a first baseband signal corresponding to a first communication protocol. A second input may be provided, which is adapted to receive a second baseband signal... Agent: Mcandrews Held & Malloy, Ltd

20070127591 - Powerline communication system and method using coupler design for additional users: A powerline network system. The system includes a power transformer device at a public utility facility. The system has a powerline box coupled to the transformer device. In a preferred embodiment, the powerline box comprises at least three lines including a first phase, a second phase, and a third phase.... Agent: Townsend And Townsend And Crew, LLP

20070127592 - Apparatus and method for transmitting/receiving a signal in a communication system: An apparatus for transmitting a signal in a communication system includes: MT number of transmission antennas; a space-time encoder for generating MT number of transmission symbol streams by space-time encoding MT number of modulation symbol streams in accordance with a space-time encoding scheme determined by a predetermined control, and transmitting... Agent: The Farrell Law Firm, P.C.

20070127593 - Apparatus and method for transmitting/receiving a signal in a communication system: An apparatus is provided for transmitting a signal in a communication system. Upon receipt of an information vector, the apparatus includes converting the information vector into a plurality of sub-information vectors; performing coding and modulation on each of the sub-information vectors according to a corresponding mode thereby generating a modulation... Agent: The Farrell Law Firm, P.C.

20070127594 - Reduced complexity coding system using iterative decoding: A concatenated coding scheme, using an outer coder, interleaver, and the inner coder inherent in an FQPSK signal to form a coded FQPSK signal. The inner coder is modified to enable interative decoding of the outer code.... Agent: Meyertons, Hood, Kivlin, Kowert & Goetzel, P.C.

20070127595 - Reduced complexity coding system using iterative decoding: A concatenated coding scheme, using an outer coder, interleaver, and the inner coder inherent in an FQPSK signal to form a coded FQPSK signal. The inner coder is modified to enable interative decoding of the outer code.... Agent: Meyertons, Hood, Kivlin, Kowert & Goetzel, P.C.

20070127596 - Apparatus for calculating phase using binary search: A phase calculation apparatus using a binary search is provided. The phase calculation apparatus includes a quarter surface preprocessor determining the bigger one between an absolute value of I component data and an absolute value of Q component data as horizontal component data and the smaller one as perpendicular component... Agent: Blakely Sokoloff Taylor & Zafman

20070127597 - System and method for facilitating visual comparison of incoming data with existing data: A data compare and update system (104) that includes a compare/update module (208) that displays a compare/update GUI (500) that allows a user to visually compare incoming data (116) coming into the system to existing target data (108). The compare/update module can be configured to flag variant data within the... Agent: Andrus, Sceales, Starke & Sawall, LLP

20070127599 - Apparatus and method for phase recovery and i/q imbalance compensation in quadrature demodulating receiver: An apparatus and method for phase recovery and I/O imbalance compensation in a quadrature demodulating receiver are provided. The apparatus includes: a phase error compensating unit for compensating a phase error for a reference channel which is one of the I channel and the Q channel; and a phase imbalance... Agent: Ladas & Parry LLP

20070127598 - Dtv receiver and method of processing signal in dtv receiver: A DTV receiver includes a tuner, a demodulator, a channel equalizer, a sequence detector, and a burst controller. The tuner receives a DTV signal having main data and at least one burst of enhanced data. The demodulator demodulates the DTV signal by performing carrier and time recovery and the channel... Agent: Lee, Hong, Degerman, Kang & Schmadeka

20070127600 - Timing recovery circuit: A timing recovery circuit capable of enhancing the reliability of timing recovery in a receiver apparatus in a communication system that employs the scheme of modulating the amplitude of a carrier wave. In the receiver apparatus which receives a transmitted signal created by modulating the amplitude of the carrier wave,... Agent: Katten Muchin Rosenman LLP

20070127601 - Apparatus and method of deciding received symbol in m-psk system: An apparatus for and method of deciding symbols in a M-ary phase shift keying (MPSK) system are provided. The apparatus includes: a linear transform unit performing linear transform, to which a phase error is applied, of a received pair of symbols; and a symbol decision unit deciding a transmitted symbol... Agent: Ladas & Parry LLP

20070127602 - Method and system of channel estimation: Channel estimation is performed using side information. A signal transmitted over a radio channel includes side information corresponding to a first predetermined signal and a second predetermined signal. The first predetermined signal is different from the second predetermined signal. An estimate of the radio channel is determined using both the... Agent: Nixon & Vanderhye, PC

20070127605 - Method and apparatus for soft decision input metrics to a turbo decoder: A method and apparatus for computing soft decision input metrics to a turbo decoder includes circuits associated with eight-ary phase shift keyed (8PSK) modulation and sixteen-ary quadrature amplitude modulation (16QAM). In both implementations log-likelihood ratio (LLR) metrics on code symbols are estimated as products of various constant values and various... Agent: Qualcomm Incorporated

20070127603 - Method for the soft bit metric calculation with linear mimo detection for ldpc codes: A MIMO receiver implements a method for the soft bit metric calculation with linear MIMO detection for LDPC codes, after linear matrix inversion MIMO detection. In the receiver, a detector detects the estimated symbol and the noise variance. Further, a soft metric calculation unit computes the distance between the estimated... Agent: Kenneth L. Sherman, Esq. Myers Dawes Andras & Sherman, LLP

20070127604 - Receiver and infrared wireless-earphone: A receiving section of an infrared receiver includes an error detecting section that detects, through an integrating circuit, a direct-current component of a 1-bit data sequence that is supplied in a form of a PDM signal. The direct-current component thus detected is compared with a reference voltage by the comparing... Agent: Birch Stewart Kolasch & Birch

20070127607 - Symbol boundary acquisition apparatus and method thereof: The present invention relates to a symbol acquisition apparatus and a method thereof. The method includes: determining a first boundary according to a first preamble symbol and generating a first confidence value according to signal quality of the first preamble symbol; determining a second boundary according to a second preamble... Agent: North America Intellectual Property Corporation

20070127606 - Synchronization and detection method capable of resisting noise and waveform distortion in communication system and correlator thereof: A synchronization method and a detection method capable of resisting noise and waveform distortion in a communication system and a correlator thereof are proposed. In the method, over-sampling is performed to a preamble and a synchronization word in an access code, and a different weighting value is assigned to each... Agent: Rosenberg, Klein & Lee

20070127608 - Blind interference mitigation in a digital receiver: A novel and useful apparatus for and method of Gaussian Minimum Shift Keying (GMSK) single antenna interference cancellation (SAIC) for use in a digital receiver. The invention comprises an interference mitigation module that treats the problem of GMSK SAIC in a blind manner. The interference mitigation mechanism is operative to... Agent: Zaretsky & Associates PC

20070127609 - Diversity receiving device: A diversity receiving device includes a processing circuit in which receiving units, AFC and synchronizing units, and demodulating units for a plurality of systems are connected, received signal intensity detecting units 104 and 105 that detect the intensities of output signals of the respective receiving units so as to output... Agent: Mcdermott Will & Emery LLP

20070127610 - Programmable and pausable clock generation unit: A clock generation circuit comprising two programmable ring oscillators (10, 20) arranged and configured to operate in a mutually exclusive manner, and a variable programmable delay element (not shown). An input programming pattern (14) is provided as an input to the oscillating circuit, the programming pattern (14) providing data representative... Agent: Philips Electronics North America Corporation Intellectual Property & Standards

20070127612 - Apparatus and method for retiming data using phase-interpolated clock signal: A data recovering apparatus and method using an interpolated clock signal are provided. The data recovering apparatus comprises a first phase alignment unit extracting from multi-phase clock signals a first clock having an edge most closely corresponding to the center of each bit of input data, a second phase alignment... Agent: Ladas & Parry LLP

20070127611 - Non-coherent synchronous direct-conversion receiving apparatus for compensating frequency offset: A non-coherent synchronous direct-conversion receiving apparatus is provided. The apparatus includes a RF receiving unit, an I/Q ADC unit, and a digital signal processing unit for analyzing the digital signal received from the I/Q ADC unit to adjust a bandwidth of a variable receiving filtering unit according to the analyzing... Agent: Blakely Sokoloff Taylor & Zafman

20070127613 - Ac technique for eliminating phase ambiguity in clocking signals: A method involving: distributing two clock signals over a clock signal distribution system; in each of a plurality local clocking regions located along the signal distribution system, detecting the two clock signals and generating therefrom a local clock signal for that local clocking region, wherein the generated local clock signals... Agent: Wilmer Cutler Pickering Hale And Dorr LLP

20070127614 - Communication device: Disclosed is a communication circuit including a clock selection circuit (20) which receives CDR multiple-phase clocks (16) from a PLL (1) to a CDR circuit (7), selects one of the CDR multiple-phase clock signals (16) responsive to a clock selection signal (21), and outputs the selected clock signal. At a... Agent: Mcginn Intellectual Property Law Group, PLLC

20070127615 - Dc technique for eliminating phase ambiguity in clocking signals: An integrated circuit including: a clock signal distribution network for carrying two global clock signals traveling in opposite directions; a plurality of local clocking regions arranged along the network, each of which includes a local clock signal generation circuit that generates a local clock signal based upon the two global... Agent: Wilmer Cutler Pickering Hale And Dorr LLP

20070127616 - Programmable transceivers that are able to operate over wide frequency ranges: A field-programmable gate array (“FPGA”) may include data receiver and/or transmitter circuitry that is adapted to receive and/or transmit data at any frequency(ies) or data rate(s) in a wide range of possible frequencies or data rates. Phase-locked loop (PLL) circuitry may be needed for operation of such receiver and/or transmitter... Agent: Fish & NeaveIPGroup Ropes & Gray LLP