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Pulse or digital communications inventions 04/07

Recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing format for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application.

  04/26/2007 > patent applications in patent subcategories.

20070091982 - Clock signal controlling device: A clock signal generating section generates a clock signal of a predetermined frequency. A frequency spreading section spreads the frequency of the clock signal generated by the clock signal generating section based on a predetermined spread ratio. A controlling section sets the spread ratio of the frequency spreading section in... Agent: Casella & Hespos

20070091984 - Dual-carrier modulation decoder: Communications systems are disclosed which comprise system and methods which, in some embodiments, include a data input; a decoding function, which is adapted to receive a first data element and a second data element from the data input and decode the first data element and second data element, and a... Agent: Texas Instruments Incorporated

20070091983 - Method and system for power controlled effective allocation of sub-bands in ultra-wideband communication: A power controlled sub-band assignment and power allocation among users in a multiband UWB system aims to reduce power consumption without compromising performance. The overall transmit power is minimized under the practical constraints, including packet error rate, transmission rate, and FCC regulations. To insure the system feasibility in variable channel... Agent: Rosenberg, Klein & Lee

20070091985 - Code division multiple access transmission antenna weighting: A code division multiple access communication system has a base station with a plurality of transmitting antennas. From each transmitting antenna of the base station, a pilot signal is transmitted having a different chip sequence than the other transmitting antenna. At a user equipment, the transmitted pilot signals are received... Agent: Volpe And Koenig, P.C. Dept. Icc

20070091987 - Apparatus and method for detecting code of direct sequence spread spectrum signal: Provided is an apparatus and method for detecting a code of a direct sequence spread spectrum signal obtained by spreading data in a direct sequence spread spectrum method with a predetermined code to despread the direct sequence spread spectrum signal. The apparatus includes an analog-digital (AD) converter, a serial-to-parallel converter,... Agent: Lowe Hauptman Berner, LLP

20070091986 - Offset controllable spread spectrum clock generator apparatus: An offset controllable spread spectrum clock generator apparatus including a spread spectrum clock generator (SSCG), a controllable delay circuit, and a control unit is provided. The SSCG spreads the received original clock signal to output a spread spectrum clock signal. The controllable delay circuit delays the spread spectrum clock signal... Agent: Jianq Chyun Intellectual Property Office

20070091988 - Systems for communicating using multiple frequency bands in a wireless network: Systems that communicate in a wireless network using a first and a second frequency band are described herein. The systems may use the first frequency band to transmit or receive a control signal, enabling subsequent communication using the second frequency band.... Agent: Schwabe, Williamson & Wyatt, P.C.

20070091989 - Signal interface: Plural transmitter units generate plural currents corresponding to plural logical values, respectively, and propagate the currents to a common signal line. The common signal line synthesizes the currents generated by the transmitter units, and propagates them to a receiver unit as a synthetic current. The receiver unit restores the logical... Agent: Arent Fox PLLC

20070091990 - Outdoor unit programming system: A system that provides a wireless broadband connection between base stations and customer sites is described. The system includes indoor units within the base stations and customer sites and communicate across cables to outdoor units. The indoor units linked to routers, switches and other devices and services. The outdoor units... Agent: Berkeley Law & Technology Group, LLP

20070091991 - Strobe technique for test of digital signal timing: A test system timing method simulates the timing of a synchronous clock on the device under test. Strobe pulses can be generated by routing an edge generator to delay elements with incrementally increasing delay values. A data signal or synchronous clock signal can be applied to the input of each... Agent: Foley & Lardner LLP

20070091992 - High-speed adaptive interconnect architecture with nonlinear error functions: A low cost and high speed equalizing receiver structure is provided for improved inter-chip and inter-module communications. The receiver is able to recover data from a corrupted waveform from a signal wire such as one found on data, address or control wires in a microsystem architecture. The receiver can be... Agent: Eric M. Dowling

20070091995 - Decision feedback equalizer with dynamic feedback control: A decision feedback equalizer with dynamic feedback control for use in an adaptive signal equalizer. Timing within the decision feedback loop is dynamically controlled to optimize recovery of the data signal by the output signal slicer. The dynamic timing is controlled by a signal formed as a combination of feedback... Agent: Vedder Price Kaufman & Kammholz

20070091996 - Equalizer architecture for data communication: An update algorithm for equalizer coefficients in a communications system using phase correction symbols. Instead of using a traditional all symbols slicer update algorithm, the equalizer is updated during phase correction symbols for optimal performance in low signal-to-noise ratio conditions. In lower signal-to-noise ratio conditions, the equalizer uses a phase... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20070091994 - Method and system of frequency domain equalization: A method and system of frequency domain equalization. In an embodiment, the frequency domain equalizer system includes a transmit driver. A receiver decision circuit is communicatively coupled to the transmit driver. The receiver decision circuit may have an input signal and an output signal. An all-pass filter may be communicatively... Agent: Lsi Logic Corporation

20070091993 - Techniques for simulating a decision feedback equalizer circuit: A computerized system simulates a non-linear Decision Feedback Equalizer. The computerized system includes a user interface, an output port, and a controller coupled to the user interface and to the output port. The controller is configured to (i) receive electronic design automation commands from a user through the user interface,... Agent: David E. Huang, Esq. Bainwood Huang & Associates LLC

20070091998 - Systems, methods, and apparatuses for spectrum-sensing cognitive radios: Systems, methods, and apparatuses are provided for spectrum-sensing cognitive radios that are operative to detect and utilize available RF spectrum resources. The spectrum-sensing cognitive radios include at least one antenna and a frequency-agile radio front-end module in communication with the at least one antenna and configured to transmit and receive... Agent: Sutherland Asbill & Brennan LLP

20070092002 - Coding distortion removal method, video encoding method, video decoding method, and apparatus and program for the same: Mosaic-shaped block noise occurs when a compressed video signal is reproduced. This block noise is removed, but removing block noise from every block using a deblocking filter imposes a significant load on the deblocking filter. This load is therefore reduced by determining whether coding distortion removal (deblocking) is necessary, and... Agent: Greenblum & Bernstein, P.L.C

20070092001 - Moving picture coding apparatus, method and computer program: A moving picture coding apparatus which codes a moving picture and includes a first extraction unit, which extracts a feature quantity of luminance components of the moving picture, a second extraction unit which extracts a feature quantity of chrominance components of the moving picture, a control unit which controls the... Agent: Wenderoth, Lind & Ponack L.L.P.

20070092000 - Spatial filtering for improving compression efficiency of motion compensated interframe coding: An apparatus, method, and carrier medium carrying computer-readable code to implement a method that includes generating a difference picture of an accepted picture of a time sequence of pictures minus an estimate of the previous picture in the sequence. The generating of the difference picture includes forming quantized coefficients and... Agent: Dov Rosenfeld

20070091997 - Method and apparatus for scalable video decoder using an enhancement stream: A method and apparatus is provided for decoding an encoded baseline video stream and an enhancement stream. The baseline video stream is decoded, upscaled and enhanced by applying adaptive filters specified by the enhancement stream. Baseline upscaled images are then coded to motion compensate enhanced high resolution images using previously... Agent: Jonathan A. Small JasIPConsulting

20070092004 - Memory sharing in video transcoding and displaying: A video processing apparatus includes a video decoder and a video encoder to process video frames. The video decoder generates decompressed frames from first compressed video frames and write the decompressed frames to a memory, at least one of the decompressed frames being generated using information from a previously generated... Agent: Fish & Richardson PC

20070092003 - Method and apparatus for calculating cost functions and interpolation method thereof: An interpolation method for decimal motion estimation and a method and apparatus for calculating cost functions derived from the interpolation method are provided. The interpolation method comprises the following steps. First, divide the data range needed by an interpolation filtering process into a loaded range and a speculation range. Load... Agent: Jianq Chyun Intellectual Property Office

20070092005 - Method and apparatus for encoding, method and apparatus for decoding, program, and storage medium: An encoding apparatus is configured to encode input image data including a plurality of frames. The encoding apparatus includes a prediction coefficient generator adapted to generate a prediction coefficient for use in prediction of a second frame from a first frame, an image predictor adapted to generate a predicted image... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070092008 - Context-aware frame memory scheme for motion compensation in video decoding: The present invention provides a context-aware frame memory scheme for motion compensation in video decoding, which utilizes a motion compensator to receive a data block from input video decoding, follow by processing both inputted context characteristic of residual block and motion vector respectively. The conception of technology is first based... Agent: Bucknam And Archer

20070092009 - Imaging apparatus with motion vector detecting function: When frame data is acquired to a digital camera, a block split section splits the frame data into a plurality of correlation detection blocks, an average value calculation section calculates an average pixel value of each of the correlation detection blocks, and an activity calculation section calculates a block activity... Agent: Frishauf, Holtz, Goodman & Chick, PC

20070092007 - Methods and systems for video data processing employing frame/field region predictions in motion estimation: Methods and systems for video data processing. A current picture and a reference picture in a sequence of pictures are provided. A portion of the current picture is acquired as a prediction region. A portion of the reference picture is repeatedly acquired as a search window until all potential portions... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070092006 - Scalable motion estimation for video encoding: The disclosure is directed to scalable motion estimation techniques for video encoding. According to the motion estimation techniques, a motion vector search is scaled according to the computing resources available. For example, the extent of the search may be dynamically adjusted according to available computing resources. A more extensive search... Agent: Qualcomm Incorporated

20070092010 - Apparatus and method for motion estimation supporting multiple video compression standards: An apparatus for motion estimation which supports multiple video compression standards and the method thereof is provided. The apparatus uses an interpolation filter with fixed coefficients. The apparatus also adjusts block sizes and calculation details of cost functions according to various video compression standards. Therefore the apparatus is capable of... Agent: Jianq Chyun Intellectual Property Office

20070091999 - Apparatus for enhanced wireless transmission and reception of uncompressed video: A transmitter transmits an essentially uncompressed HDTV video by direct mapping of transformation coefficients of Y—Cr—Cb video components to communication symbols. A main portion of the important transform coefficients is sent in a coarse representation using, for example, QPSK or QAM. The coefficients representing the higher frequency of each of... Agent: Glenn Patent Group

20070092011 - Chip-to-chip communication system and method: Embodiments of the invention relate to a chip-to-chip communication system including a transmitter and a receiver connected to receive respective transmitter and receiver clock signals. The transmitter includes precharge and evaluation blocks connected to each other and to a transmitter clock terminal. The receiver includes a precharge block connected to... Agent: Graybeal, Jackson, Haley LLP

20070092013 - Apparatus and method for tracking symbol timing of ofdm modulation in a multi-path channel: Methods and Systems for tracking symbol timing of an OFDM signal are disclosed. In one embodiment, a wireless receiver includes signal tracking and timing logic to facilitate the timing of a demodulation operation such that the demodulation operation occurs on the proper symbol boundary, particularly when the OFDM signal has... Agent: Macpherson Kwok Chen & Heid LLP

20070092014 - Apparatus and method for two-dimensional equalization in a communication system using orthogonal frequency division multiple access: Provided is a two-dimensional equalization method in a receiver of a communication system using an Orthogonal Frequency Division Multiple Access (OFDMA) scheme. The receiver sets as a first value a value of a 1-tap frequency domain equalizer (FEQ) corresponding to a sub-channel allocated to the receiver , and sets as... Agent: The Farrell Law Firm

20070092015 - Channel estimation in a multicarrier radio receiver: A method and apparatus for estimating channel characteristics in a multicarrier wireless receiver such as an OFDM wireless receiver. The method includes determining a channel estimate for each of a set of subcarriers by receiving multicarrier data as a result of a wireless transmission of data that includes a known... Agent: Dov Rosenfeld

20070092017 - Communications systems and methods using phase vectors: A transmitter for use, for example, in an OFDM communication system transmits a plurality of signals simultaneously to one or more receivers. Each signal carries data. At the transmitter, a suitable phase vector is selected from among a plurality of available phase vectors to apply to the plurality of signals.... Agent: Bingham Mccutchen LLP

20070092012 - Method and apparatus for communication channel estimation: A method and apparatus for predicting channel estimates for non-received signal frequencies provides knowledge of propagation channel characteristics for non-received frequencies. One embodiment predicts uplink (or downlink) channel estimates based on measured downlink (or uplink) channel estimates, which is advantageous in systems having different uplink and downlink frequencies. Another embodiment... Agent: Coats & Bennett, PLLC

20070092016 - Method of channel estimation: A method of channel estimation used in an orthogonal frequency division multiplexing (OFDM) system. Firstly, a plurality of synchronized signals are received respectively from a plurality of sub-channels, and the channel responses of two sub-channels are known. Then, the channel responses of other channels are estimated by the statistical property... Agent: Rabin & Berdo, PC

20070092018 - Single sideband and quadrature multiplexed continuous phase modulation: A class of bandwidth reduction techniques are used develop a broad class of modulation types collectively called SSB-FM. These signals can be used to construct communication systems that provide bandwidth-normalized performance gains of 10 dB or more when compared to popular prior art modulation methods. An aspect of the invention... Agent: Eric M. Dowling Interlink 731

20070092019 - Beamforming for non-collaborative, space division multiple access systems: A wireless communication system noncollaborative, multiple input, multiple output (MIMO) space division multiple access (SDMA) system determines subscriber station combining and weighting vectors that yield a high average signal-to-interference plus noise ratio (SINR). Each subscriber station independently transmits information to a base station that allows the base station to determine... Agent: Hamilton & Terrile, LLP

20070092020 - Radio communication method and system, and receiver apparatus and transmitter apparatus: There are provided: a channel estimation means which obtains channel estimation values between the transmitter antennas and the receiver antennas from received signals received by the receiver antennas; a memory for storing therein the reception signals and the channel estimation values obtained by said channel estimation means; and a signal... Agent: Bingham Mccutchen LLP

20070092021 - Quadrature modulator and vector correction method: A quadrature modulator for generating a transmission signal includes an orthogonal signal generator configured to generate a first local signal and a second local signal orthogonal to the first local signal, a mix-adder configured to generate a first RF signal based on a first baseband signal, the first local signal,... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070092022 - Integrated frequency shift-keying fsk transceiver: An integrated frequency-shift keying (FSK) transceiver fabricated on an integrated circuit (IC) chip. The integrated FSK transceiver provides a bidirectional exchange of information between a satellite set-top box converter or modem and one or more outdoor units (ODUs). The integrated FSK transceiver includes a binary FSK receiver coupled to one... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20070092023 - Self-calibration method for use in a mobile transceiver: A method is provided for self-calibrating the mismatch and the direct current (DC) offset occurring in a mobile transceiver. The transmitter of the mobile terminal is used as a signal generator and the receiver thereof is used as a response characteristic measurer. The baseband processor calibrates the mismatch and the... Agent: Dilworth & Barrese, LLP

20070092024 - Method for data communication via a voice channel of a wireless communication network: A system and method for data communication over a cellular communications network that allows the transmission of digital data over a voice channel of the communications network. Digital data is encoded into DBPSK data using differential binary phase shift keying encoding. The DBPSK data is then sent across the cellular... Agent: James D. Stevens Reising, Ethington, Barnes, Kisselle, P.C.

20070092025 - Method and apparatus for windowing orthogonal frequency division multiplexed signals: The present invention provides a method of windowing signals in a communication system. The method includes accessing at least one first signal associated with at least one of a plurality of orthogonal frequencies and applying a window function to the at least one first signal to form at least one... Agent: Williams, Morgan & Amerson

20070092026 - Ternary pulse generation circuit: A ternary pulse generation circuit includes a logic circuit section including three logic elements and a switching control section including three switching elements each controlled by an output of corresponding one of the three logic elements, and the circuit outputs three different voltage values in a switching manner by controlling... Agent: Cantor Colburn, LLP

20070092029 - Apparatus to generate a dual transport stream and method thereof: An apparatus to generate a dual transport stream including a duplicator that receives a turbo stream and that provides a parity insertion region for the turbo stream, and a multiplexer that receives a normal stream and that multiplexes the turbo stream processed by the duplicator and the normal stream to... Agent: Stein, Mcewen & Bui, LLP

20070092027 - Digital broadcasting system and method: A digital broadcasting system and method, where the digital broadcasting system includes: a transmission stream generator multiplexing a normal stream and a turbo stream to generate a dual transmission stream; a transmitter inserting an supplementary reference signal (SRS) into the dual transmission stream, processing the turbo stream to reconstitute the... Agent: Stein, Mcewen & Bui, LLP

20070092032 - Digital broadcasting system and method: A digital broadcasting system includes: a transmission stream generator multiplexing a normal stream and a turbo stream to generate a dual transmission stream; a transmitter inserting a supplementary reference signal (SRS) into the dual transmission stream, processing the turbo stream to reconstitute the dual transmission stream, and outputting the reconstituted... Agent: Stein, Mcewen & Bui, LLP

20070092028 - Outer encoder and outer encoding method thereof: An outer encoder includes a bit detector that receives a turbo stream provided with a parity insertion region and that detects data bits from the turbo stream, an encoder that convolution-encodes the detected data bits, and a bit inserter that inserts an encoded value outputted from the encoder into the... Agent: Stein, Mcewen & Bui, LLP

20070092030 - System for processing and transmitting digital broadcasting signal and method thereof: A system for transmitting a digital broadcasting signal includes a Reed-Solomon encoder that encodes a dual transport stream including a normal stream and a turbo stream to obtain an encoded dual transport stream; an interleaver that interleaves the encoded dual transport stream to obtain an interleaved dual transport stream; and... Agent: Stein, Mcewen & Bui, LLP

20070092031 - System for processing and transmitting digital broadcasting signal and method thereof: A system for transmitting a digital broadcasting signal includes a supplementary reference signal (SRS) inserter receiving a dual transport stream in which a normal stream and a turbo stream are multiplexed, and inserting an SRS into a stuffing region provided in the dual transport stream, a Reed-Solomon encoder encoding the... Agent: Stein, Mcewen & Bui, LLP

20070092033 - Trellis encoder for encoding dual transmission stream: A trellis encoder for trellis encoding a dual transmission stream. A first multiplexer selectively outputs one of a predetermined first bit of the dual transmission stream and a value stored in a first memory according to an external control signal. A first adder adds the value output from the first... Agent: Stein, Mcewen & Bui, LLP

20070092034 - Trellis encoding device for encoding transmission stream and method thereof: A trellis encoding device includes a trellis encoder block that includes a plurality of memories, and outputs a bit value determined by a state of the memories; a Reed-Solomon re-encoder that receives the bit value output from the trellis encoder block, and generates a parity corresponding to the bit value;... Agent: Stein, Mcewen & Bui, LLP

20070092035 - Method of compensating for the frequency error of system clock in mobile communication terminal with digitally controlled crystal oscillator and mobile communication terminal thereof: A method of compensating a frequency error of a system clock, comprising: detecting an ambient temperature, providing the frequency compensation value for compensating the frequency error of the system clock which is generated in a digitally controlled crystal oscillator on the basis of the detected ambient temperature, and controlling the... Agent: Birch Stewart Kolasch & Birch

20070092036 - 8-vsb like backward-compatible robust stream modulation for atsc digital tv transmission: A system and method is provided for generating backward compatible robust ATSC 8-VSB bit streams for transmission by a digital transmitter. A backward compatible robust digital TV modulation technique is employed where a multiplexed stream of bits is encoded such that the constellation is similar to a standard 8-VSB constellation.... Agent: Philips Intellectual Property & Standards

20070092037 - Method and apparatus for controlling the decision point of a receiver for digital communication signals: A receiver for a digital communication signal has a first decision gate (DGa), which has a first decision threshold (xd) for outputting a first decision signal, a second decision gate (DGb), which has a second decision threshold (xm) for outputting a second decision signal, a counter (CNT) for counting events... Agent: Sughrue Mion, PLLC

20070092038 - Blocker performance in a radio receiver: Configuring a multiple stage band pass filter of a radio frequency receiver commences by setting a comer of a low pass mixer output filter that receives a down sampled analog information signal. Operation continues with setting a buffer output filter comer of a low pass buffer output filter coupled to... Agent: Garlick Harrison & Markison

20070092039 - Multi-channel serdes receiver for chip-to-chip and backplane interconnects and method of operation thereof: A multi-channel serializing/deserializing (“serdes”) receiver, a method of operating the receiver and an integrated circuit configured as a serdes receiver. In one embodiment, the receiver includes:(1) a central frequency synthesizer configured to provide both in-phase and quadrature-phase clock signals and (2) a plurality of channel-specific receivers coupled to the central... Agent: Hitt Gaines, PC Agere Systems Inc.

20070092040 - Synchronizing apparatus, synchronizing method, synchronizing program and data reproduction apparatus: A synchronizing apparatus, which controls, by a PLL circuit, a sampling clock to be used to sample input data and synchronizes a phase of the sampling clock with a target phase that is desirable for sampling the input data, includes: phase error detection means for detecting a phase error from... Agent: Wolf Greenfield & Sacks, PC

20070092041 - Apparatus and method for robust bpsk/qpsk blind modulation classification against errors in satellite control system: Provided are an apparatus and method for robust Binary Phase Shift Keying/Quadrature Phase Shift Keying (BPSK/QPSK) blind modulation classification against errors in a satellite communication system. The apparatus includes first and second likelihood value calculators for calculating a likelihood value of a received baseband signal each for of BPSK and... Agent: Blakely Sokoloff Taylor & Zafman

20070092043 - Digital broadcasting receiving system and method: A digital broadcasting receiving system and method, where the digital broadcasting receiving system includes: a demodulator receiving and demodulating a dual transmission stream including a turbo stream and a normal stream; an equalizer equalizing the demodulated dual transmission stream; a first processor restoring normal stream data from the equalized dual... Agent: Stein, Mcewen & Bui, LLP

20070092042 - Receiver and a receiving method: A receiver for receiving transmitted signals comprising reference information known to said receiver, said receiver comprising means for estimating said reference information and non reference information to provide estimated information, said non reference information being at least one of immediately preceding and immediately succeeding said reference information; and means for... Agent: Squire, Sanders & Dempsey L.L.P.

20070092044 - Method for symbol timing synchronization and apparatus thereof: A method for symbol timing synchronization is provided. The method comprises the following steps. First, a correlation between a sample sequence and a delayed sample sequence is calculated to generate a correlation sequence. Wherein, the delayed sample sequence is obtained from delaying the sample sequence by N sampling points, and... Agent: J.c. Patents, Inc.

20070092045 - Systems, methods, and apparatuses for fine-sensing modules: Systems, methods, and apparatuses are provided for fine-sensing modules that are operative for identifying one or more signal types from an input radio frequency (RF) signal. The fine-sensing modules may include a multiplier that combines an RF input signal and a delayed RF input signal to produce a correlation signal... Agent: Sutherland Asbill & Brennan LLP

20070092046 - Method of reducing interference among wireless network by intentionally violating the communication protocol: A way of mitigating the interference among wireless devices that use the same media. This method is based on the assumption that all wireless devices are well-behaved devices in the sense that these devices exhibit the predictable behavior according to the wireless protocol specification. Based on this assumption, this invention... Agent: Hyun Lee

20070092047 - Closed loop power normalized timing recovery for 8 vsb modulated signals: A receiver timing error recovery loop expands the bandwidth of a received signal and determines the timing error based on the bandwidth expanded received signal.... Agent: Zenith Electronics Corporation

20070092048 - Runn counter phase control: The present invention provides a data processing system, a method, and a computer program product for stopping at least two clock signals that oscillate at different frequencies and restarting the at least two clock signals at their correct phase. A RUNN counter stops the at least two clock signals. The... Agent: Ibm Corporation (cs) C/o Carr LLP

20070092049 - Soft-decision phase detector for low signal-to-noise (snr) phase tracking: A method and apparatus is disclosed for detecting the amount of unknown offset present in a received data stream. The unknown phase offset may offset the phase of the transmitted data stream from the received data stream. A phase detector uses a soft-decision slicer to estimate the content of a... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

  
04/19/2007 > patent applications in patent subcategories.

20070086509 - Multiple-input multiple-output ultra-wide band communication method and device using hermite pulses: A method of sending ultra-wide band signals via a plurality of sending antennas includes a phase for sending training sequences followed by a phase for sending data after which each antenna of the plurality of sending antennas sends a waveform using a Hermite pulse that is unique and orthogonal to... Agent: Brinks Hofer Gilson & Lione

20070086511 - Configurable baseband in a gps receiver: Clock compensation for GPS receivers. A receiver in accordance with the present invention comprises a Radio Frequency (RF) portion, and a baseband portion, coupled to the RF portion, wherein the baseband portion comprises a crystal, an oscillator, coupled to the crystal, wherein the oscillator generates a clock signal based on... Agent: Gates & Cooper LLP Howard Hughes Center

20070086510 - Parallel architecture digital filter and spread spectrum signal receiver using such a filter: This invention relates to parallel architecture digital filter and signal receiver with spectrum spreading using such a filter, the filter may have p shift registers (Rp, Ri) with means for calculating a weighted sum of stored samples in the registers, p weighted sums (Skp, Ski) may be obtained and recombined... Agent: Berkeley Law & Technology Group, LLP

20070086512 - Hybrid forwarding apparatus and method for cooperative relaying in an ofdm network: A hybrid forwarding apparatus and method for cooperative relaying in an OFDM network are provided. In a hybrid forwarding apparatus in a relay terminal, a forwarding scheme selector selects a forwarding scheme for transmission. An amplify and forward (AF) block amplifies data received from the forwarding scheme selector, if an... Agent: Dilworth & Barrese, LLP

20070086513 - System and method for adjusting combiner weights using an adaptive algorithm in wireless communications system: Method and apparatus to compute the combiner coefficients for wireless communication systems using an adaptive algorithm. One embodiment trains the weights on a signal known a priori that is time multiplexed with other signals, such as a pilot signal in a High Data Rate, HDR, system, wherein the signal is... Agent: Qualcomm Incorporated

20070086514 - Integrated power supply and communication device: An integrated power supply and communication device is presented. The integrated device provides power and communication access to an electronic appliance. The integrated device may be manufactured with a single power and communication input, reducing the amount of wiring and cabling often present with conventional modems. A plurality of electronic... Agent: Honeywell International Inc.

20070086519 - Apparatus for managing multipurpose video streaming and method of the same: Provided is an apparatus for managing multipurpose video streaming and a method of the same, which are capable of creating high-resolution video frames for displaying and storing received video data in real time and low-resolution video frames for network transmission, and managing the created video stream. The apparatus for managing... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.

20070086521 - Efficient decoded picture buffer management for scalable video coding: A system and method for enabling the removal of decoded pictures from a decoded picture buffer as soon as the decoded pictures are no longer needed for prediction reference and future output. An indication is introduced into the bitstream as to whether a picture may be used for inter-layer prediction... Agent: Foley & Lardner LLP

20070086520 - Intra-base-layer prediction method satisfying single loop decoding condition, and video coding method and apparatus using the prediction method: A method and apparatus for improving the performance of a multi-layer based video codec are provided. The method includes obtaining a difference between a base layer block corresponding to a current layer block and an inter-prediction block for the base layer block; down-sampling an inter-prediction block for the current layer... Agent: Sughrue Mion, PLLC

20070086518 - Method and apparatus for generating a motion vector: One embodiment provides a method of generating a motion vector associated with a current block in a first picture layer. In this embodiment, motion vector information for a block in a second picture layer is obtained. The second picture layer has lower quality pictures than pictures in the first picture... Agent: Harness, Dickey & Pierce, P.L.C

20070086517 - Method and system for frame rate adaptation: Described herein are a method and system for frame rate adaptation. There may be conditions that require the rate of a video sequence to be dynamically controlled, and a frame interval may be adaptively selected every frame. A frame within the video sequence may contain, for example, a time stamp... Agent: Mcandrews Held & Malloy, Ltd

20070086516 - Method of encoding flags in layer using inter-layer correlation, method and apparatus for decoding coded flags: A method and apparatus for efficiently encoding diverse flags being used in a multilayer-based scalable video codec, based on an inter-layer correlation. The encoding method includes judging whether flags of a current layer included in a specified unit area are all equal to flags of a base layer, setting a... Agent: Sughrue Mion, PLLC

20070086515 - Spatial and snr scalable video coding: An SNR and spatial scalable video coder uses standards compatible encoding units (303, 310, 320) to produce abase layer encoded signal (130) and at least two enhanced layer encoded signals (314, 325). The base layer and at least the first enhanced layer are produced from a downscaled signal (200). At... Agent: Philips Intellectual Property & Standards

20070086522 - Video processing device with low memory bandwidth requirements: The present invention relates to a video processing device for processing data corresponding to a sequence of pictures according to a predictive block-based encoding technique. Said device comprises a processing unit (20) including a reconstruction circuit (16) for reconstructing pictures from decoded data and an external memory (1) for storing... Agent: Philips Intellectual Property & Standards

20070086523 - System and method of coding mode decision for video encoding: A method of making a coding mode decision for a current macroblock of a current video frame including determining an INTERSAD value, selecting at least one video characteristic associated with the current video frame, comparing the INTERSAD value with a corresponding range of each selected video characteristic, selecting interframe coding... Agent: The Law Offices Of Gary R. Stanford

20070086524 - Method for transform-domain rounding in a decoder and video decoder thereof: A method for transform domain rounding in a decoder includes performing transform-domain motion compensation on a block according to a motion vector to generate a motion-compensated block, determining a transform-domain offset with reference to the motion vector, adding the transform-domain offset to the motion-compensated block to obtain an addition result,... Agent: North America Intellectual Property Corporation

20070086525 - Motion vector detection method and device of the same: When a search is made for a motion vector of a moving image, a motion vector search desirable against a hard movement is devised to be made with a small processing amount, and a motion vector detection device includes a wide range motion vector search part, a narrow range motion... Agent: Nixon & Vanderhye, PC

20070086526 - Video encoding method and apparatus and video decoding method and apparatus: A video picture is encoded by adaptively switching between the operation of using a plurality of decoded video signals as reference frames and generating a predictive macroblock picture from a plurality of reference frames for each macroblock, the operation of extracting reference macroblocks from a plurality of reference frames and... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070086527 - Region clustering based error concealment for video data: An error detection and correction circuit for a video decoder that reconstructs a lost macroblock including a clustering circuit, a classification circuit and an error concealment circuit. The clustering circuit clusters macroblocks adjacent to the lost macroblock into one or more defined clusters. The classification circuit assigns the lost macroblock... Agent: The Law Offices Of Gary R. Stanford

20070086528 - Video encoder with multiple processors: A method and system is described for video encoding with multiple parallel encoders. The system uses multiple encoders which operate in different rows of the same slice of the same video frame. Data dependencies between frames, rows, and blocks are resolved through the use of a data network. Block information... Agent: Dov Rosenfeld

20070086529 - Wireless system performance modeling: An arrangement is provided for modeling the performance of a communication network. One or two sigmoid functions may be used to model the performance of a physical layer versus the SINR of a transmission channel across all of the available modulation and coding schemes. The sigmoid function(s) abstract(s) away all... Agent: Blakely Sokoloff Taylor & Zafman

20070086530 - Circuit arrangement for connecting a first circuit node to a second circuit node and for protecting the first circuit node for overvoltage: A circuit arrangement connects a first node to a second node. The circuit arrangement includes a first semiconductor switching element and a drive circuit. The first semiconductor switching element has a load path and a control terminal, the load path being connected between the first and second nodes. The drive... Agent: Maginot, Moore & Beck Suite 3250

20070086531 - Methods and apparatus for signaling on a differential link: Methods and apparatus are disclosed for transitioning a receiver from a first state to a second state using an in-band signal over a differential serial data link.... Agent: Hanley, Flight & Zimmerman, LLC

20070086532 - Device for transmitting and receiving: A device for transmitting and receiving is disclosed that includes: a) an antenna, b) a transmitting/receiving unit for transmitting and receiving data according to a communications standard, which has a transmitting unit, connected to the antenna, for transmitting first data frames to a second transmitting/receiving device and a receiving unit,... Agent: Mcgrath, Geissler, Olds & Richardson, PLLC

20070086536 - Channel estimation and spatial processing for tdd mimo systems: Channel estimation and spatial processing for a TDD MIMO system. Calibration may be performed to account for differences in the responses of transmit/receive chains at the access point and user terminal. During normal operation, a MIMO pilot is transmitted on a first link and used to derive an estimate of... Agent: Qualcomm Incorporated

20070086533 - Phase noise canceling ofdm receiver: A receiver includes, in series, at least one receive antenna, a buffer, and arithmetic logic block, a symbol detector, and a phase noise estimator. A further feedback loop couples an output of the phase noise estimator to an input of the arithmetic logic block for providing an estimate of phase... Agent: Harrington & Smith, PC

20070086535 - Pilot pattern design for a sttd scheme in an ofdm system: The present invention relates to a transmitting device and a receiving device in a wireless orthogonal frequency division multiplex (OFDM) communication system with space time transmit diversity (STTD). Further, the present invention relates to a channel estimation method for performing a channel estimation in such a wireless communication system, in... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070086534 - System and method for improving signal to quantization noise ratio of an ofdma modulator: A fixed-point IFFT device in an OFDMA digital modulator is disclosed, which comprises a sub-carrier activity detector configured to detect a number of active sub-carriers in an OFDMA symbol set being transmitted in a given OFDMA symbol period, a scale termination calculator configured to generate an output for determining at... Agent: L. Howard Chen, Esq. Kirkpatrick & Lockhart Preston Gates Ellis LLP

20070086537 - A method of identifying a space-time encoded signal in a wireless communication system: A method of identifying a space-time encoded signal in a wireless communication system having at least two different decoder types is disclosed. The method includes receiving at least one pilot signal from a transmitting end, wherein the pilot signal is represented by either Type 0 or Type 1, determining which... Agent: Lee, Hong, Degerman, Kang & Schmadeka

20070086541 - Apparatus and method for processing llr for error correction code in a mobile communication system: An apparatus and method for scaling an LLR for an error correction code in a mobile communication system are provided. In the LLR scaling apparatus, an environment factor controller decides an environment factor according to a radio channel environment. A scaling factor generator generates a scaling factor using the environment... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.

20070086540 - Apparatus and method for transmitting/receiving data in multi-user multi-antenna communication system: Provided is an apparatus and method for transmitting/receiving data in a multi-user multi-antenna communication system. A data transmitting apparatus and method computes a RX filter or a TX filter for each user receiver in an improved scheme, selects a codebook correlating with the computed TX filter or the computed RX... Agent: Dilworth & Barrese, LLP

20070086539 - High-performance ldpc coding for digital communications in a multiple-input, multiple-output environment: Transceiver circuitry for use in a multiple-input, multiple-output (MIMO), orthogonal frequency-division multiplexing (OFDM), communications environment, is disclosed. Error correction coding according to a fixed-block size code, such as low density parity check (LDPC) coding, is implemented. A specific LDPC code with excellent error rate performance is disclosed.... Agent: Texas Instruments Incorporated

20070086538 - Method of designing interleavers for multiple-encoder mimo ofdm systems: An improved interleaver design to fully explore the diversity of the MIMO OFDM systems provides higher diversity gain than usual. A method for wireless data communication using such interleaver design implements parsing a bit stream into multiple spatial data streams, interleaving the bits in each spatial data stream by performing... Agent: Kenneth L. Sherman, Esq. Myers Dawes Andras & Sherman, LLP

20070086542 - Beam forming apparatus applied in multiple input multiple output system and related method: A beam-forming apparatus applied in a Multiple Input Multiple Output (MIMO) system and a related method where the MIMO system transmits signals through a plurality of channels. The method includes generating a plurality of channel estimations corresponding to the channels; determining a plurality of first candidate transmitting vectors; selecting a... Agent: North America Intellectual Property Corporation

20070086543 - Apparatus and method for transmitting/receiving data in multi-user multi-antenna communication system: An apparatus and method for transmitting/receiving data in a multi-user multi-antenna communication system is provided. A data transmitting apparatus and method computes a TX filter of a transmitter in an improved scheme and transmits the computed TX filter to a receiver in a one-way channel sounding scheme. A data receiving... Agent: Dilworth & Barrese, LLP

20070086545 - Method and apparatus for coding in a telecommunications system: First and second transmission links are established with a remote station. An information signal is encoded to provide an encoded information signal having more bits than the information signal. First and second transmission signals are provided wherein each transmission signal has bits selected from the encoded information signal. Each of... Agent: Qualcomm Incorporated

20070086544 - Nyquist folded bandpass sampling receivers and related methods: Nyquist folded bandpass sampling receivers are disclosed that utilize wideband filters and modulated sampling clocks to identify received signals. In operation, multiple Nyquist zones are allowed to fold on top of each other during sampling. Because the RF sampling clock is modulated, separate frequency modulations can be induced within each... Agent: O'keefe, Egan & Peterman, L.L.P.

20070086546 - Baseband receiver using transition trigger and method thereof: A baseband receiver using a transition trigger and a method thereof are disclosed. The baseband receiver is provided in a radio frequency identification (RFID) reader in order to receive a pulse amplitude modulation (PAM) signal, and can improve a bit error rate (BER) performance by mapping transition waveforms generated whenever... Agent: Sughrue Mion, PLLC

20070086547 - Agc for narrowband receivers: An automatic gain control (AGC) system for a receiver and corresponding method facilitate AGC in a receiver. The automatic gain control system includes an on-channel signal detector 123 configured to provide an on-channel signal level indication corresponding to a narrow band on-channel signal and a wideband signal detector 121 configured... Agent: Law Office Of Charles W. Bethards, LLP

20070086548 - Method and apparatus for reducing dc offsets in a communication system: Methods and apparatuses for reducing DC offsets in a communication system are described. In a first aspect, a feedback loop circuit reduces DC offset in a wireless local area network (WLAN) receiver channel. The frequency response of the feedback loop circuit can be variable. In a second aspect, a circuit... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20070086549 - Method and apparatus for detecting signal in a mimo communication system: Detection of a signal in a receiver of a MIMO communication system includes a transmitter for signals transmission via K antennas and a receiver for receiving the signals via L reception antennas, such that L is greater than or equal to K and the system has a K×L-dimensional channel matrix,... Agent: The Farrell Law Firm

20070086550 - Receiving apparatus, mobile communication terminal, and communication system: A receiving apparatus, a mobile communication terminal, and a communication system are provided that reduce power consumption and improve receiving performance even when changes occur in the receiving environment. Receiving apparatus 10, incorporated in a mobile communication terminal forming a communication system, has receiving quality threshold setter that receives as... Agent: Stevens, Davis, Miller & Mosher, LLP

20070086551 - Apparatus and method for switching clocks while preventing glitches and data loss: A apparatus (700) and method (600) are presented for preventing glitches and data loss in an Digital Base Band (DBB) portion (110) of an Ultra Wideband (UWB) receiver. a first and a second recovered clock (111, 112) and an external clock (109) can be input to a switch (116). Logical... Agent: Posz Law Group, PLC

20070086552 - Digital phase locked loop for regenerating the clock of an embedded signal: The present invention relates to a system and method for generating a first clock frequency for a plurality of digital data bursts compressed in time, where each of the plurality of digital data bursts has been multiplexed into one of a plurality of data blocks of higher speed digital data.... Agent: Mcandrews Held & Malloy, Ltd

20070086553 - Frequency-characteristic-acquisition device, frequency-characteristic-acquisition method, and sound-signal-processing device: A frequency-characteristic-acquisition device that inputs a time-stretched-pulse signal to a system to be measured and that acquires information about a frequency characteristic of the system on the basis of a signal output from the system is provided. The frequency-characteristic-acquisition device includes a control unit which performs control so that the... Agent: Wolf Greenfield & Sacks, PC

20070086554 - Data synchronizer and data synchronizing method: According to an embodiment of the present invention, a data synchronizer for outputting data with a readout clock frequency sync with input data or receiving data with a read-in clock frequency sync with output data, includes: a frequency synchronizer controlling a frequency of the readout clock or a frequency of... Agent: Mcginn Intellectual Property Law Group, PLLC

20070086555 - Dll circuit having two input standard clocks, clock signal generation circuit having the dll circuit and clock signal generation method: Provided is a delay locked loop circuit having two input standard clocks, a clock signal generation circuit including a delay locked loop circuit and a clock signal generation method. The delay locked loop circuit of the present invention includes a delay line unit, a phase comparator and a delay control... Agent: Mills & Onello LLP

  
04/12/2007 > 44 patent applications in 33 patent subcategories.

20070081578 - Nyquist folded bandpass sampling receivers with narrow band filters for uwb pulses and related methods: Nyquist folded bandpass sampling receivers are disclosed that utilize narrow band filters in parallel with wideband filters to enhance reception of ultra wideband (UWB) pulses. The addition of the narrow band filter facilitates the reception of ultra wideband signal pulses and, therefore, extends the Nyquist folding bandpass sampling receiver to... Agent: O'keefe, Egan & Peterman, L.L.P.

20070081577 - Pulse-based communication: The invention relates to a method for broadband communication. The method includes transmitting a sequence of pulses or impulses at a pulse repetition frequency from a first communication device to another device via a wireless link. The method further includes adjusting the pulse repetition frequency based on channel delay spread... Agent: Harrington & Smith, PC

20070081579 - Intelligent code tracking for spread spectrum systems: A code-tracking system includes a loop filter, which receives an early/late error signal and outputs a loop filter error signal. An error scaling device receives the loop filter error representing an update and provides a code tracking adjustment signal. A controller monitors a frequency of updates and/or a number of... Agent: Joseph J. Laks, Vice President Thomson Licensing LLC

20070081580 - Apparatus and method for generating a transmit sequence and apparatus and method for retrieving information: In an apparatus for generating a transmit sequence comprising information from a plurality of information channels, a first means serves for generating a plurality of different candidate channel sequences from information of a first information channel of the plurality of information channels using a first code sequence associated with the... Agent: Glenn Patent Group

20070081581 - Positioning apparatus, control method of positioning apparatus, control program for positioning apparatus, and computer readable recording medium for storing control program for positioning apparatus: A positioning apparatus for positioning based on satellite signals from positioning satellites includes: correlation information generating means for generating correlation information which indicates correlation values between the satellite signals and correlation purpose signals stored in the positioning apparatus; correlation information evaluating means for determining whether or not variation in the... Agent: GlobalIPCounselors, LLP

20070081582 - Dynamic digital communication system control: Control of a digital communication system having a plurality of communication lines on which signals are transmitted and received is implemented using a variety of methods and systems. According to one embodiment of the present invention, a method is implemented where the signals are affected by interference during transmission and... Agent: Attention Of: Robert J. Crawford Crawford Maunu PLLC

20070081583 - Methods and apparatus for frequency rectification: A method of monitoring the condition of a machine is provided. The method includes receiving an input complex signal from the machine wherein the input complex signal has a plurality of signal components. The plurality of signal components includes at least one signal component containing a pre-determined frequency of interest... Agent: John S. Beulick (17851)

20070081584 - Adaptive filter: The present invention relates to a filter apparatus and method having a fixed aspect for providing a predetermined selectivity and having an adaptive aspect for determining the frequency response of said filter apparatus. The adaptive aspect is controlled to change the frequency response. Predetermined zero values of the filter characteristic... Agent: Philips Intellectual Property & Standards

20070081585 - Power supply apparatus and power supply method: When transmitting an RF signal for power supply or a pulse signal for data transmission, amplification is made in such a manner that the peak power of the RF signal becomes greater than the peak power of the pulse signal. Thus transmitting the RF signal with the greater peak power... Agent: Birch Stewart Kolasch & Birch

20070081589 - Adaptive quantization controller and methods thereof: An adaptive quantization controller and methods thereof are provided. In an example method, motion prediction may be performed on at least one frame included in an input frame based on a reference frame. A prediction error may be generated as a difference value between the input frame and the reference... Agent: Harness, Dickey & Pierce, P.L.C

20070081590 - Macro-block quantization reactivity compensation: A macro-block (MB) quantization reactivity compensation method for a video encoder is provided. The method calculates a reference picture quantization value based on a calculated picture complexity. This predicted reference quantization is combined with the bits-used reactive MB reference quantization value to determine the final MB reference quantization value. This... Agent: Stmicroelectronics, Inc.

20070081587 - Content driven transcoder that orchestrates multimedia transcoding using content information: Apparatus and methods of using content information for encoding multimedia data are described. A method of processing multimedia data includes receiving multimedia data, and encoding the multimedia data into a first data group and a second data group based on content of the multimedia data, the first data group being... Agent: Qualcomm Incorporated

20070081588 - Redundant data encoding methods and device: Apparatus and methods of using content information for encoding multimedia data are described. A method of processing multimedia data includes A method of processing multimedia data, including obtaining content information of multimedia data, and encoding the multimedia data to form an encoded bitstream, said encoding comprising inserting at least one... Agent: Qualcomm Incorporated

20070081586 - Scalability techniques based on content information: Apparatus and methods of using content information for encoding multimedia data are described. A method of processing multimedia data includes classifying content of multimedia data, and encoding the multimedia data in a first data group and in a second data group based on the content classification, wherein the first data... Agent: Qualcomm Incorporated

20070081591 - Method and apparatus for coding moving picture frame to reduce flickering: A method and apparatus are provided for coding a moving picture frame to reduce flickering. The method includes generating an inter-reconstructed image by performing interprediction on a moving picture frame to be coded, generating an intra-reconstructed image by performing intraprediction on the moving picture frame, generating a first difference image... Agent: Sughrue Mion, PLLC

20070081592 - Systems and methods for enhanced coding gain: Additional data compression is achieved by enhancing the spatial and temporal correlation of the data in a pre-processing module prior to sending the data to an encoding algorithm, such as for example, the MPEG algorithm. An input frame of data is decomposed into a luminance frame and two chrominance frames.... Agent: Fitch Even Tabin & Flannery

20070081593 - Interframe wavelet coding apparatus and method capable of adjusting computational complexity: Provided is an inter-frame wavelet coding apparatus that can reduce the computation complexity of a decoder by adjusting a decomposition level and a filter length based on the information amount of a frame during wavelet transform and a method therefor. The inter-frame wavelet coding apparatus includes: a Motion Compensated Temporal... Agent: Ladas & Parry LLP

20070081595 - Digital television transmitter/receiver and method of processing data in digital television transmitter/receiver: A digital television (DTV) transmitter and a method of coding data in the DTV transmitter method are disclosed. A pre-processor pre-processes the enhanced data by coding the enhanced data for forward error correction (FEC) and expanding the FEC-coded enhanced data. A data formatter generates one or more groups of enhanced... Agent: Lee, Hong, Degerman, Kang & Schmadeka

20070081594 - Radio video transmission device, radio video reception device, radio video transmission/reception system, signal generation device, signal decoding device, and signal generation/decoding device: By generating a transmission signal containing information on a video signal containing information on a video signal encoded in units of a video signal of a predetermined number of vertical periods and adding a flag indicating the header of the transmission signal to the header of the transmission signal, it... Agent: Osha Liang L.L.P.

20070081596 - Video quality adaptive coding artifact reduction: A video quality adaptive coding artifact reduction system has a video quality analyzer, an artifact reducer, and a filter strength controller. The video quality analyzer employs input video quality analysis to control artifact reduction. The video quality analyzer accesses the video quality of the decoded video sequence to estimate the... Agent: Kenneth L. Sherman, Esq. Myers Dawes Andras & Sherman, LLP

20070081597 - Temporal and spatial shaping of multi-channel audio signals: A selected channel of a multi-channel signal which is represented by frames composed from sampling values having a high time resolution can be encoded with higher quality when a wave form parameter representation representing a wave form of an intermediate resolution representation of the selected channel is derived, the wave... Agent: Glenn Patent Group

20070081598 - Methods and apparatus for signaling on a differential link: Methods and apparatus are disclosed for transitioning a receiver from a first state to a second state using an in-band signal over a differential serial data link.... Agent: Hanley, Flight & Zimmerman, LLC

20070081599 - Method and apparatus for measuring reflected voltage of transformer: A method and apparatus of sampling reflected voltage signal of a transformer is proposed. Sampling signals are used for generating hold voltages by sequentially sampling the reflected voltage from the transformer. A buffer circuit generates a buffer signal from the higher voltage of hold voltages. A sampling switch periodically conducts... Agent: J.c. Patents, Inc. Suite 250

20070081600 - Method of geometric harmonic signal modulation: The invention relates to electrical network communications engineering and can be used for automatic data acquisition from intrusion and fire-alarm sensors, electric meters, heat, water and gas consumption meters and from the fiscal memory of cash control monitors. Said invention makes it possible to substentially reduce the energy consumption by... Agent: Ilya Zborovsky

20070081603 - Apparatus and method for transmitting data using relay station in a broadband wireless communication system: A frame configuration method and apparatus for sending data via an RS in a broadband wireless communication system are provided. In the reception mode, the RS monitors reception of data in an (n−1)th frame from an MS and reception of data in an nth frame from a BS. The RS... Agent: Dilworth & Barrese, LLP

20070081601 - Blind preamble detection for an orthogonal frequency division multiplexed sample stream: A method for determining a presence of a preamble for an orthogonal frequency division multiplexed (OFDM) complex valued sample stream may include capturing a portion of the OFDM complex valued stream and autoconvolving the portion of the OFDM complex valued sample stream to generate an autoconvolved portion. The method may... Agent: Freescale Semiconductor, Inc. Law Department

20070081602 - Radio apparatus and communication system utilizing the same: In a combination of control signals on data signals and the data signals where the combination contains data signals to be assigned respectively to a plurality of streams, a control unit assigns a control signal contained in a leading combination and assigns a data signal, contained in the leading combination,... Agent: Mcdermott Will & Emery LLP

20070081604 - Apparatus and method for reduced peak-to-average-power ratio in a wireless network: A wireless transmission device capable of communicating with a receiver according to a DFT-spread OFDM protocol. The wireless transmission device comprises a configurable spectral shaping filter block capable of performing spectral shaping of an outgoing signal. The wireless transmission device configures the configurable spectral shaping filter block to perform spectral... Agent: Docket Clerk

20070081605 - Digital television transmitter/receiver and method of processing data in digital television transmitter/receiver: A digital television (DTV) transmitter and a method of coding data in the DTV transmitter are disclosed. A data formatter generates an enhanced data packet including the enhanced data and a known data sequence. A data randomizer randomizes the enhanced data packet. A RS encoder RS-codes the randomized data packet... Agent: Lee, Hong, Degerman, Kang & Schmadeka

20070081608 - Method for increasing accuracy for estimating mimo channel: The present invention relates to a method for increasing accuracy for estimating a multiple input multiple output (MIMO) channel. In the method, a maximum delay spread of a channel is estimated by using a Gold code or a Kasami code, a loosely-synchronous (LS) code having an appropriate interference free window... Agent: Ladas & Parry LLP

20070081606 - Multiple-input multiple-output communication system: Radio stations (10, 20) include a variety of propagation models. A radio signal is transmitted from a first to a second radio station, and the received signal is fitted to a plurality of models. Alternatively, the correlation of the received signals is fitted to models. The received signals are processed... Agent: Philips Intellectual Property & Standards

20070081607 - Performing a scan of diversity parameter differences: Modifying a signal according to a diversity parameter adjustment includes accessing scan parameter values, where a scan parameter describes a scan process. The scan parameter values include diversity parameter vectors, where a diversity parameter vector has a diversity parameter value for each of one or more diversity parameters. The scan... Agent: Pearl Cohen Zedek Latzer, LLP

20070081609 - Data pulse spectrum control: The present invention reduces adjacent channel interference for a wireless peripheral device. A direct digital synthesizer generates a waveform having intermediate angular changes during a transition time between symbol intervals. After the transition time, the direct digital synthesizer generates the waveform with an angular value that corresponds to the symbol... Agent: Banner & Witcoff Ltd., Attorneys For Client Nos. 003797 & 013797

20070081610 - Local oscillator with injection pulling suppression and spurious products filtering: A single sideband mixer circuit includes a voltage controlled oscillator operable a tunable frequency f1. The mixer circuit outputs a frequency signal at a frequency f1±f2. A tracking filter operates to filter the frequency signal and generate a first output signal at the frequency f1±f2. A resonance frequency fr of... Agent: Stmicroelectronics, Inc.

20070081612 - Edge incremental redundancy support in a cellular wireless terminal: A system for implementing Incremental Redundancy (IR) operations in a wireless receiver includes a baseband processor, an equalizer, a system processor, and an IR processing module. The baseband processor receives an analog signal corresponding to a data block and samples the analog signal to produce samples. The equalizer receives the... Agent: Garlick Harrison & Markison

20070081611 - Swept bandpass filter frequency modulated continuous wave (fmcw) receiver and related method: A swept bandpass filter for receiving frequency varying input signals is disclosed. More particularly, a swept bandpass filter frequency modulated continuous wave (FMCW) receiver and related method are disclosed that provide an efficient solution for FMCW signals. The swept bandpass architecture eliminates the need for front-end mixing circuitry and allows... Agent: Brian W. Peterman O'keefe, Egan & Peterman, L.L.P.

20070081613 - Ultra wideband networks system and method capable of switching to high-speed mode or low-speed mode: An ultra wideband network transmitter and receiver, and a method capable of switching to a high-speed mode or a low-speed mode are provided. The transmitter includes a multi-band orthogonal frequency division multiplexing (MB-OFDM) modem; a direct sequence code division multiple access (DS-CDMA) modem; a mode switch which switches to the... Agent: Sughrue Mion, PLLC

20070081614 - Apparatus and method for adaptively correcting i/q imbalance: An apparatus and method for adaptively correcting I/Q imbalance, which is used in a receiver for correcting a received I/Q imbalanced signal to thus eliminate the I/Q imbalance. First, an interference amount caused by interference from an imbalanced in-phase signal to an imbalanced quadrature-phase signal is computed and accordingly subtracted... Agent: Bacon & Thomas, PLLC

20070081615 - Controlling gain in a satellite receiver: In one embodiment, the present invention includes a method for digitally detecting a first signal strength corresponding to a multi-channel spectrum of an incoming radio frequency (RF) spectrum and digitally detecting a second signal strength corresponding to a selected channel of the incoming RF spectrum. Based on these values, one... Agent: Trop Pruner & Hu, PC

20070081616 - Dynamic dc offset removal apparatus and dynamic dc offset removal method: A dynamic DC offset removal apparatus and a dynamic DC offset removal method capable of accurately estimating a change position of a dynamic DC offset and a DC offset value before the change and a DC offset value after the change, thereby carrying out equalization processing on a reception signal... Agent: Greenblum & Bernstein, P.L.C

20070081617 - Reconfigurable direct rf bandpass sampling receiver and related methods: Reconfigurable direct radio frequency (RF) bandpass sampling receivers are disclosed that provide direct RF sampling of an input signal spectrum passed through a bandpass filter that is tunable over a wide frequency range of interest and that is sampled based on the bandwidth of the filter rather than the bandwidth... Agent: O'keefe, Egan & Peterman, L.L.P.

20070081618 - Apparatus and method for recovering clock and data: An apparatus for recovering a clock and data includes a transition detecting circuit and a clock recovery circuit. The transition detecting circuit detects a transition of an input data signal to provide a transition interval of the input data signal. The clock recovery circuit generates a recovered clock based on... Agent: Mills & Onello LLP

20070081619 - Clock generator and clock recovery circuit utilizing the same: A clock generator including an edge detector, an oscillator, a frequency divider, and a selector. The edge detector generates a detection signal according to an edge of a data signal. The oscillator generates a first clock according to a control signal and controls the phase of the first clock according... Agent: Birch Stewart Kolasch & Birch

20070081620 - Apparatus and method for using efuses to store pll configuration data: An apparatus and method for using electrical fuses (eFuses) to store phase-locked loop (PLL) configuration data are provided. With the apparatus and method, a portion of the eFuses present in the integrated circuit are reserved for the PLL configuration data. Upon power up, a power up controller and eFuse controller... Agent: Ibm Corp. (wip) C/o Walder Intellectual Property Law, P.C.

  
04/05/2007 > 52 patent applications in 36 patent subcategories.

20070076782 - Method and system for controlling a notching mechanism: A circuit (100) is provided for notching an incoming wireless signal. The circuit comprises: a notching mechanism (110) for receiving an incoming signal and generating a notched signal having reduced power at the notch frequency (320), the notch frequency being adjustable in response to a notching control signal; a signal... Agent: Posz Law Group, PLC

20070076783 - Frequency selective automatic gain control with dual non-symmetric attack and release times and interference detection feature: A digital signal processing-based receiver architecture performs automatic gain control (AGC) for a frequency hopping spread-spectrum communications receiver that may be subjected to one or more sources of interference or jamming. Rather than set the AGC gain at a fixed, best hoped for value, and then attempt to rely on... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20070076784 - Techniques to improve redundancy for multi-carrier wireless systems: Various techniques are disclosed to improve redundancy in multi-carrier wireless systems. An example technique is provided that may include commonly encoding a block of data, modulating the encoded block of data across a plurality of carriers, and transmitting via a wireless link the encoded block of data including the plurality... Agent: Brake Hughes PLC C/o Portfolioip

20070076785 - Method of and apparatus for multi-path signal component combining: A method for use in receiving a spread-spectrum signal includes receiving an input signal. The input signal includes a first plurality of multipath components. The method also includes despreading the first plurality of multipath components. The step of despreading includes computing a plurality of corresponding delays. The method also includes... Agent: Ericsson Inc.

20070076786 - Methods and apparatuses for processing spread spectrum signals: A method and apparatus of processing the received spread spectrum signals using an innovative pre-filtering and multi-correlation differential detection (MCDD) technique is disclosed. The primary embodiment of the invention comprises of a pre-filter and pluralities of complex differential detectors for primary processing of SS signal. Other embodiments of the method... Agent: Thelen Reid & Priest, LLP

20070076787 - Pseudorandom noise lock detector: A device for detecting data synchronization in data communications includes pseudorandom noise (PN) lock circuits (101, 113, 127). The PN lock circuits (101, 113, 127) receive an input data stream (109). Each of the PN lock circuits (101, 113, 127) is time offset with respect to the other PN lock... Agent: Posz Law Group, PLC

20070076788 - Bit synchronization for weak navigational satellite signals: Methods to achieve data bit synchronization from weak navigational satellite signals are based on a maximum likelihood criterion. The bit synchronization technique may be implemented by calculating a normalized dot product of two consecutive one-millisecond correlation values. Similar normalized dot products are calculated at intervals separated by one bit duration,... Agent: Orrick, Herrington & Sutcliffe, LLPIPProsecution Department

20070076789 - Method and apparatus for preventing loss of service from hardware failure in a network: A spare receiver in a CMTS is used to prevent loss of service to subscribers during a failure of a receiver. The beginning of a mass modem de-registration event is detected by the operator or automatically by the CMTS. Upon detection of the beginning of the mass modem de-registration event,... Agent: General Instrument Corporation Dba The Connected Home Solutions Business Of Motorola, Inc.

20070076790 - Method and apparatus for testing a network using a spare receiver: A spare receiver in a CMTS is used to non-invasively test the upstream signal quality of a network without disrupting a subscriber's operations. A modem registered with a receiver on the network is selected as a testing modem. The spare receiver is RF connected to the receiver and the testing... Agent: General Instrument Corporation Dba The Connected Home Solutions Business Of Motorola, Inc.

20070076791 - Approximate cholesky decomposition-based block linear equalizer: A block linear equalizer (BLE) using an approximate Cholesky decomposition is disclosed. The BLE includes channel estimators, a channel monitor unit, a noise power estimator, a parameter selection unit and an approximate Cholesky processor. The channel estimator generates a channel estimate vector from received samples. The channel monitor unit generates... Agent: Volpe And Koenig, P.C. Dept. Icc

20070076792 - Pwm-to-voltage converter circuit and method: A converter circuit and method for converting a pulse-width modulated input signal into a voltage output signal eliminates an offset due to component mismatch. The converter circuit includes at least two channels. Each channel has an operational amplifier with differential inputs and differential outputs. A first capacitor in each channel... Agent: Texas Instruments Incorporated

20070076793 - Digital broadcast signal multiplexing apparatus and digital broadcast signal multiplexing method: A digital broadcast signal multiplexing apparatus includes buffers store the number x of data X, a comparator determines a cumulative sum SX of the data X and a cumulative sum SA of the data A, and compares these cumulative sum SX and cumulative sum SA, a first processor sets the... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070076794 - Transcoder, recorder, and transcoding method: In a transcoder that decodes and encodes a motion picture stream, a highly compressed motion picture stream cannot be obtained if the same corresponding frame is referenced for coding purposes in a situation where an intraframe coding mode, in which an unconverted stream is not provided with vector information, is... Agent: Antonelli, Terry, Stout & Kraus, LLP

20070076796 - Frame interpolation using more accurate motion information: In general, this disclosure describes encoding and decoding techniques that facilitate more accurate interpolation of skipped video frames. In particular, techniques are described for obtaining motion information that indicates motion for skipped video frames based on translational motion and at least one other motion parameter and applying the motion information... Agent: Qualcomm Incorporated

20070076795 - Method and apparatus for determining inter-mode in video encoding: A method of and apparatus are provided for determining an inter-mode in video encoding. The method includes calculating a motion vector by performing hierarchical motion estimation on a current block to be encoded in units of sub-pixels, storing reference area data indicated by the calculated motion vector in an internal... Agent: Sughrue Mion, PLLC

20070076798 - Encoded stream generating apparatus and method, data transmission system and method, and editing system and method: A method and apparatus for ge