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