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Pulse or digital communications inventions 04/08

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.
  
04/24/2008 > patent applications in patent subcategories.

20080095214 - Multicarrier orthogonal spread-spectrum(moss) data communications: Systems and methods are described for multicarrier orthogonal spread-spectrum (MOSS) data communication. A method includes individually spread-spectrum modulating at least two of a set of orthogonal frequency division multiplexed carriers, wherein the resulting individually spread-spectrum modulated at least two of a set of orthogonal frequency division multiplexed carriers are substantially... Agent: John Bruckner PC

20080095215 - Coherent detection without transmission preamble: A receiving system allows for the coherent detection of a spread-spectrum transmission at any point in time during the transmission, thereby avoiding the need to identify the start of the transmission during the transmission-detection process. An input buffer captures the transmissions on a communication channel using a moving time-window. A... Agent: Robert M. Mcdermott, Esq.

20080095216 - Scaling using gain factors for use in data detection: Data is estimated from a received vector comprising a plurality of communications. A received wireless signal is converted to a baseband signal, which is sampled to produce a received vector. Channel responses are estimated for the received communications. The noise variance is estimated. The noise variance is scaled by a... Agent: Volpe And Koenig, P.C. Dept. Icc

20080095217 - Correlation detection method, correlation detection apparatus, transmission diversity detection method and transmission diversity detection circuit: A correlation detection apparatus detects a correlation between a reception signal and a spreading code. A logic circuit is operated with a chip clock. The logic circuit generates the spreading code of an offset unit of ½ chip according to a combination value of chips next to each other in... Agent: Greenblum & Bernstein, P.L.C

20080095218 - Methods and apparatus for interfacing a plurality of encoded serial data streams to a serializer/deserializer circuit: Methods and apparatus are provided for interfacing a plurality of encoded serial data streams, such as Serial Gigabit Media Independent Interface streams, to a serializer/deserializer circuit. A plurality of encoded serial data streams are transmitted by receiving the plurality of encoded serial data streams that have been encoded using an... Agent: Ryan, Mason & Lewis, LLP

20080095219 - Apparatus, method and computer-readable recording medium for setting signal correction-magnitude: Equal-length group data obtained by grouping together slot pairs connected by a wiring pattern of equal length is stored in advance. Error rate is determined while changing a pre-emphasis (PE) setting value and an equalizer (EQ) setting value of a signal transmitted between a specified slot pair. The slot pairs... Agent: Staas & Halsey LLP

20080095220 - Circuit arrangement for suppressing interfering signals in the receiving branch of a modem of a household appliance: A circuit arrangement for suppressing interfering signals in the receiving branch of a modem containing a transmitting branch and the receiving branch, of a household appliance equipped with a transmitting device for transmitting and a receiving device for receiving data signals. When using a receiving circuit of the modem with... Agent: Lerner Greenberg Stemer LLP

20080095221 - Embedded rf environmental evaluation tool to gauge rf transceivers performance need: The present technology relates to protocols relative to utility meters associated with an open operational framework. More particularly, the present subject matter relates to protocol subject matter for advanced metering infrastructure, adaptable to various international standards, while economically supporting a 2-way mesh network solution in a wireless environment, such as... Agent: Dority & Manning, P.A.

20080095222 - Link adaption for mobile ad hoc and mesh networks: A method of selecting linked metric measurements from at least one of open loop and closed loop measurements is disclosed. The method includes sending by a first node a first radio communication and receiving by a second node the first radio communication over a communication link. The method also includes... Agent: Kyle Eppele Rockwell Coillins Inc

20080095223 - Channel sounding in ofdma system: Method and apparatus for determining a downlink channel response in an orthogonal frequency division multiplexing access (OFDMA) system. The method and apparatus uses the uplink quality indication channel for determining the downlink channel response, or uses round trip pilot relay channel sounding. The uplink quality indication channel may comprise modified... Agent: Dinsmore & Shohl LLP

20080095224 - Semiconductor integrated circuit: A semiconductor integrated circuit has first and second delay circuits that have n (n is an integer equal to or larger than 2) delay elements connected in series, respectively, and in which an identical input signal is inputted to delay elements at a first stage and output signals of delay... Agent: Amin, Turocy & Calvin, LLP

20080095225 - System, multi-stage equalizer and equalization method: A system, a multi-stage equalizer and a method for generating an equalized signal in response to a received signal are provided. The multi-stage equalizer comprises a first DFE, and a second DFE. The first DFE generates a first signal in response to the received signal. The second DFE generates a... Agent: Grossman, Tucker, Perreault & Pfleger, PLLC

20080095226 - Apparatus for phase noise suppression for ofdm based wlans: Orthogonal frequency division multiplexing (OFDM) has been specified by IEEE 802.11a standard as the transmission technique for high-rate wireless local area networks (WLANs). Performance of an OFDM system, however, is heavily degraded by random Wiener phase noise, which causes both common phase error (CPE) and inter-carrier interference (ICI). A method... Agent: Connolly Bove Lodge & Hutz LLP

20080095228 - System and method for providing picture output indications in video coding: An explicit signaling element for controlling decoded picture output and applications when picture output is not desired. A signal element, such as a syntax element in a coded video bitstream, is used to indicate (1) whether a certain decoded picture is output; (2) whether a certain set of pictures are... Agent: Foley & Lardner LLP

20080095227 - Method and apparatus of sharing interactive application: The present invention provides a method for generating a digital program having at least one interactive application, said interactive application is based of at least one data object, said method comprises: first, receiving setting on the sharing characteristic of said data object, then generating a corresponding interactive application according to... Agent: Philips Intellectual Property & Standards

20080095229 - Method and system for performing reverse play of sd mpeg video: One or more methods and systems to efficiently process MPEG video in order to perform a reverse play or slow rewind function are presented. The method reduces system bandwidth required to implement the reverse play function when SD MPEG video is received by the MPEG decoder. Furthermore, the method maximizes... Agent: Mcandrews Held & Malloy, Ltd

20080095230 - Generic indication of adaptation paths for scalable multimedia: A file format structure for use with scalable video coding systems and methods, where a rate share operation box indicates which adaptation operation points for coded media are available in a file. The rate share operation box can include a characterization of the adaptation result for each adaptation operation point.... Agent: Foley & Lardner LLP

20080095231 - Method and device for coding images representing views of the same scene: The present invention concerns a method of coding a plurality of digital image signals in a bitstream, said signals each corresponding to a view of a scene, the said coding method comprising the use of a pre-determined predictive coding structure, the views being associated with input views in the coding... Agent: Fitzpatrick Cella Harper & Scinto

20080095232 - Method and apparatus for implementing b-picture scene changes: A method and apparatus are provided for implementing B-picture scene changes. A prediction stage predicts a B-picture scene change based upon a sequence of statistical information in an encoder order and a reaction stage is responsive to the prediction stage for modifying a quantization scale of a rate control algorithm.... Agent: Ibm Corporation RochesterIPLaw Dept 917

20080095233 - Randomly accessible visual information recording medium and recording method, and reproducing device and reproducing method: Access point pictures designated as randomly accessible positions are I pictures or P pictures. Information indicating the decoding sequence (I1, P1, B1, B2, B3, B4, P2, . . . ) of pictures functioning as access points and attribute information (picture_type) indicating whether a picture functions as an access point or... Agent: Birch Stewart Kolasch & Birch

20080095235 - Method and apparatus for intra-frame spatial scalable video coding: An apparatus and method are for intra-frame spatial scalable video encoding. The method codes a low resolution base layer video bitstream from low resolution base layer video using a single layer encoder, and codes an enhancement layer in which individual videos frames are represented by wavelet coefficients for an LL... Agent: Motorola, Inc.

20080095236 - Method for accessing memory in apparatus for processing moving pictures: A method and apparatus for accessing a memory for processing moving pictures, which loads data from a frame buffer of an external memory, and uses a motion prediction technique. The method includes the steps of: loading, from the frame buffer, pixels of a relevant block of 8×8 size and extra... Agent: Cha & Reiter, LLC

20080095234 - System and method for implementing low-complexity multi-view video coding: A system and method for implementing low complexity multi-view video coding. According to various embodiments, single-loop decoding is applied to multi-view video coding. For N coded views, where only M of the N views are to be displayed, only those M views are required to be fully decoded and stored... Agent: Foley & Lardner LLP

20080095239 - Method for video frame rate conversion: Methods and apparatus for video frame rate conversion are disclosed. In one aspect of the invention, a basic interpolation motion vector for an interpolated frame is generated using a motion vector of a current frame. The motion vector of the current frame is compared with a motion vector of a... Agent: Cha & Reiter, LLC

20080095238 - Scalable video coding with filtering of lower layers: A First Improvement is Described for Prediction of Motion Vectors to be Used in Prediction of video data for enhancement layer data. Arbitrary pixelblock partitioning between base layer data and enhancement layer data raises problems to identify base layer motion vectors to be used as prediction sources for enhancement layer... Agent: Kenyon & Kenyon LLP

20080095237 - Systems and methods of improved motion estimation using a graphics processing unit: Disclosed is a graphics processing unit comprising an instruction decoder and sum-of-absolute-differences (SAD) accleration logic. The instruction decoder is configured to decode a SAD instruction into parameters describing an M×N and an n×n pixel block in U,V coordinates. The SAD accleration logic is configured to receive the parameters and compute... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080095240 - Method for interpolating chrominance signal in video encoder and decoder: Disclosed is a method for interpolating chrominance signals in a video encoder and a decoder. The method includes the steps of accessing a memory unit to load an integer pixel value with regard to a plurality of motion compensation blocks, searching for a location of a motion vector s to... Agent: Cha & Reiter, LLC

20080095242 - Apparatus and method for determining adaptive encoding mode in h.264 encoder: An apparatus for determining an encoding mode in an H.264 encoder is provided with a 16×16 macroblock number calculating unit and a threshold updating unit. The 16×16 macroblock number calculating unit calculates means of the number of 16×16 macroblocks. The threshold updating unit compares the number of 16×16 macroblocks of... Agent: Cha & Reiter, LLC

20080095244 - De-blocking filtering method of image data and de-blocking filter: Disclosed are a deblocking filtering method for image data and a deblocking filter. According to the deblocking filtering method for image data and the deblocking filter, when computation of BS values for each boundary based on one of horizontal and vertical directions from input image data is completed, it is... Agent: Cha & Reiter, LLC

20080095243 - H.264 decoding method and device for detection of nal-unit error: Provided is an H.264 decoding method and device for detection of Network Abstract Layer (NAL) unit error. The method includes calculating a total macroblock count for one picture, calculating a difference between a previous frame count and a current frame count, whenever a NAL unit is received, counting a macroblock... Agent: Cha & Reiter, LLC

20080095241 - Method and device for coding and decoding: In video coding image sequences, images are coded in a scaled manner to obtain video data which represents the image in multiple steps from a defined image resolution or image quality (e.g., according to the data rate), and the resolution is defined by the number of image pixels of each... Agent: Staas & Halsey LLP

20080095245 - Signalling of maximum dynamic range of inverse discrete cosine transform: Techniques are described to signal a maximum dynamic range of inverse discrete cosine transform (“IDCT”) output values that may be produced when a set of encoded media data is decoded. In accordance with these techniques, an encoding device may generate a media file that includes encoded media data associated with... Agent: Qualcomm Incorporated

20080095246 - Method, receiver and transmitter for eliminating errors in h.264 compressed video transmission: The invention relates to a method for eliminating errors in compressed video transmission. A method for eliminating errors in H.264 compressed video transmission is disclosed, to eliminating errors in a simple and efficient manner. In the invention, an error information feedback mechanism is used in combination with error concealment and... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080095247 - Transmitter, receiver and communication system: A source device 10 transmits streaming data. In a packet receiver 22 of a sync device 20, statistical data acquirer 23 calculates statistical data such as one-way delay time, packet loss ratio, reception rate and the like from the received streaming data and transmits it to the source device. The... Agent: Birch Stewart Kolasch & Birch

20080095248 - Enhanced bit mapping for digital interface of a wireless communication equipment in multi-time slot and multi-mode operation: A control device (CD) is dedicated to the control of the transmission of coded values onto a digital interface (I) connecting a baseband device (BBD) and a baseband interface device (BAI), comprising at least a modulator (M) feeding a gain controller (GC), of a wireless communication equipment. The control device... Agent: Nxp, B.v. Nxp Intellectual Property Department

20080095256 - Ofdm channel estimation system and method components: Channel estimation for high mobility OFDM channels is achieved by identifying a set of channel path delays from an OFDM symbol stream including carrier data, inter-channel interference noise and channel noise; determining the average channel impulse response for the identified set of channel path delays in each symbol; generating a... Agent: Joseph S. Iandiorio & Teska

20080095254 - Random access channel design with hybrid cdm and fdm multiplexing of access: A method of establishing communications with a remote receiver (300) that receives data signals (612, 614) from other transmitters is disclosed. The method includes producing a preamble (602) and producing guard bands (800, 802) between the preamble and the data signals. The preamble is transmitted (111) to the remote receiver.... Agent: Texas Instruments Incorporated

20080095250 - Receiver and method for compensating for frequency offset of receiving signal in multi-band ofdm scheme: A multiband Orthogonal Frequency Division Multiplexing (OFDM) receiver, and more particularly, a receiver and method for effectively compensating for a frequency offset of a received signal in a multiband OFDM scheme. The receiver for compensating for a frequency offset of a received signal in an OFDM scheme includes: a numerically... Agent: Sughrue Mion, PLLC

20080095255 - Scattered pilot location detector: The present invention provides a scattered pilot (SP) location detector capable of detecting patterns of SP symbols promptly without using a TMCC signal. The SP location detector comprises a multiplier which multiplies received signals generated by demodulating OFDM modulation signals in which pilot symbols are dispersively disposed in accordance with... Agent: Nixon Peabody, LLP

20080095249 - Apparatus and method for estimating coarse carrier frequency offset for frequency synchronization in ofdm receiver: An apparatus and method for estimating a coarse carrier frequency offset in an OFDM receiver are provided, in which an Fast Fourier Transform (FFT) unit performs FFT for a received signal over one symbol duration and outputs a previously known signal included in the FFT signal, a correlation value calculator... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.

20080095253 - Communication apparatus: A communication apparatus has an A/D converter which converts an analog signal which was received, into a digital signal, a converter which converts a reception signal so as to enable handling of phase information, a carrier detector which detects presence or absence of the reception signal, a synchronous circuit which... Agent: Stevens, Davis, Miller & Mosher, LLP

20080095252 - Encoding uplink acknowledgments to downlink transmissions: A portable device, such as a mobile terminal or user equipment, for encoding uplink acknowledgments to downlink transmissions. The portable device includes a receiver configured to receive a plurality of data blocks, such that each of the data blocks include an associated cyclic redundancy check (CRC), and a processor configured... Agent: Lee, Hong, Degerman, Kang & Schmadeka

20080095251 - Method for selecting switched beam using pilot signal and system thereof: The present invention relates to a system for selecting a switched beam for supplying a maximum received power to a subscriber station, and a method thereof. The number of switched beams used by a base station is limited, and a weight value vector for forming the switched beam is predefined.... Agent: JeffersonIPLaw, LLP

20080095258 - Pre-coding method for mimo system and apparatus using the method: A pre-coding method for a MIMO system and an apparatus using the same are described. In the method, a receiver determines a corresponding codebook from a multi-codebook including multiple codebooks according to a location of a resource block, selects a corresponding codeword index from the determined codebook and transmits the... Agent: Blakely Sokoloff Taylor & Zafman

20080095257 - Signal separating device and signal separating method: A signal detection apparatus improving signal detection accuracy in a receiver for communications system complying with the MIMO scheme. The signal detection apparatus detects transmission signals sent from transmission antennas based on received signals received by receiving antennas. The apparatus includes: a first determination mechanism for determining symbol candidates of... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080095259 - Pre-coding for multiple-input-multiple-output communications: Precoding codes for MIMO transmitters are generated using an asymptotically optimal decoding algorithm, such as a trellis-exploration algorithm similar to the Viterbi algorithm. A trellis may be constructed using a number of desired subchannels, at least one code length, and a number of code-chip parameters. A fitness function is derived... Agent: Steven J Shattil

20080095260 - Compensation techniques for group delay effects in transmit beamforming radio communication: In a wireless communication device, transmit weights are iteratively processed to compensate for any group delay caused by receive synchronization in the receive device. A transmit matrix of weights is computed from signals transmitted by a second communication device and received at a plurality of antennas of the first communication... Agent: Volpe And Koenig, P.C. Dept. Icc

20080095262 - Method for transmitting a digital data stream, transmitter, method for receiving a digital data stream and receiver: A method for transmitting a digital signal is described, wherein the digital signal is to be transmitted by a plurality of antennas and a 2-domain pre-transformation is carried out, i.e., in course of a pre-transformation modulation symbols assigned to subcarriers having different frequencies and assigned to subcarriers sent by different... Agent: Crockett & Crockett

20080095261 - Radiation powered battery-free energy-burst source for wireless weather stations and home-climate systems: The power of a complete picture of energy-weather information can be used for novel energy saving algorithms in home-climate systems. Exploiting the human biological clock, we recently proposed to optimize climate systems by allowing for a correlation between inside and outside temperatures, while preserving maximal comfort. Following our earlier disclosure... Agent: Maurice H.p.m. Van Putten

20080095263 - Method and apparatus for selection mechanism between ofdm-mimo and lfdm-simo: Systems and methodologies are described that facilitate switching between various combinations of MIMO, SIMO, SISO and OFDM, LFDM and IFDM. According to various aspects, a method for a wireless communication network is provided that includes: receiving a first set of data information, wherein the first set of information comprising a... Agent: Qualcomm Incorporated

20080095264 - Device and method for pre-distorting a base-band digital signal: A baseband signal predistortion processing device and method. Said device includes: a predistorter, for preserving and updating nonlinear filter parameter, carrying out power statistic of input signals, selecting corresponding nonlinear filter parameter according to the power statistical result and predistortion-processing baseband digital signals by use of said corresponding nonlinear filter... Agent: Ladas & Parry

20080095265 - Digital pre-distortion technique using non-linear filters: A linearizer and method. In a most general embodiment, the inventive linearizer includes a characterizer coupled to an input to and an output from said circuit for generating a set of coefficients and a predistortion engine responsive to said coefficients for predistorting a signal input to said circuit such that... Agent: Morrison & Foerster, LLP

20080095266 - Adaptive controller for linearization of transmitter with impairments: An adaptive controller for linearization of transmitters using predistortion of the input signal has reduced sensitivity to impairments such as gain variation, phase noise or modulation/demodulation frequency instability by linearizing an adaptively normalized gain provided through a separate estimation and cancellation of linear gain variations. Values of a nonlinear and... Agent: Schwegman, Lundberg & Woessner, P.A.

20080095268 - Method and system for choice of a steering matrix (q) for sounding in antenna selection: Aspects of a method and system for choice of a steering matrix (Q) for sounding in antenna selection are presented. Aspects of the system may include a transmitting station that enables determination of values for a plurality of matrix elements, which are represented in a steering matrix (Q). The contents... Agent: Mcandrews Held & Malloy, Ltd

20080095267 - Systems and methods for ofdm transmission and reception: A discrete cosine transform (DCT)-based orthogonal frequency-division multiplexing (OFDM) system is provided with a zero-padding guard interval and MMSE reception. The performance of the DCT-OFDM system with the zero-padding guard interval scheme and the minimum mean-square error (MMSE) receiver over time-varying multipath Rayleigh fading channels is investigated. The results show... Agent: Smart & Biggar P.o. Box 2999, Station D

20080095269 - Method and system for digital tracking in direct and polar modulation: Aspects of a method and system for digital tracking in direct and polar modulation are presented. Aspects of the system may include at least one circuit within a phase locked loop (PLL) circuit that enables adaptive and digital control of an analog fractional N (Frac N) PLL during direct modulation... Agent: Mcandrews Held & Malloy, Ltd

20080095270 - Transmission apparatus, reception apparatus and digital radio communication method: A transmission apparatus includes a frame configuration determiner that determines a modulation system, from among a plurality of modulation systems, based on a communication situation. A first symbol generator modulates a digital transmission signal, according to the modulation system determined by the frame configuration determiner and generates a first symbol,... Agent: Greenblum & Bernstein, P.L.C

20080095271 - Characterization of a frequency response for a frequency translation device: A method of characterizing the frequency response of a frequency translation device over a wide IF bandwidth is based on a two-dimensional model to generate calibration data for a device at run-time. The model is a function of a center frequency and frequency offset for a plurality of center frequencies... Agent: Matthew D. Rabdau Tektronix, Inc.

20080095272 - Spread spectrum signal processing: The present invention relates to processing of spread spectrum signals, where a continuous signal of a comparatively high frequency is received. This signal is sampled at a basic sampling rate whereby a resulting sequence of time discrete signal samples is produced, which are in turn quantised into a corresponding level-discrete... Agent: Alston & Bird LLP

20080095273 - Fast fourier transformation (fft) with adaption of the sampling rate in digital radio mondiale (drm) receivers: A method of processing received radio signals in a receiver operating according to the DRM standard, in which the signals are converted to the receiver's baseband frequency, sampled and then subject to Fourier transformation to resolve QAM constellation points, wherein the sample rate of the signal on which the Fourier... Agent: Ratnerprestia

20080095275 - Channel estimation system and method: Channel estimation for high mobility OFDM channels is achieved by identifying a set of channel path delays from an OFDM symbol stream including carrier data, inter-channel interference noise and channel noise; determining the average channel impulse response for the identified set of channel path delays in each symbol; storing the... Agent: Iandiorio & Teska

20080095274 - Statistical procedures for carrier frequency tracking: A method for carrier frequency tracking of a received signal having a burst structure includes dividing each burst into a number of segments. The carrier frequency offset of a first segment within a burst is measured to obtain a first segment carrier frequency offset measurement value. The carrier frequency offset... Agent: Eschweiler & Associates LLC

20080095277 - Transmission and detection of preamble signal in ofdm communication system: A wireless communication method using wireless signals including a preamble, the method comprising: acquiring a first symbol of the preamble by searching a common waveform; progressively acquiring subsequent symbols of the preamble using information from previous symbols including the first symbol; and acquiring critical system configuration information embedded in the... Agent: Lixin Cheng

20080095276 - Method and device to provide arithmetic decoding of scalable bsac audio data: A method and device to arithmetically decode scalable bit sliced arithmetic coding (BSAC) audio data are provided. The arithmetic decoding method includes checking whether all side information of a last layer of the BSAC audio data is to be decoded, and performing BSAC smart decoding and terminating the decoding when... Agent: Stanzione & Kim, LLP

20080095278 - Apparatus and method for reducing complexity of matched filter: An apparatus for determining multipath correlations among a search range of input data, and a method thereof. The multipath searcher comprises a pseudo noise (PN) code generator, a correlator, and a data combiner. The PN code generator generates a first PN code corresponding to a first multipath component of the... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080095280 - Correlation value calculation method and correlator using the same: By correlation calculation method of the correaltor 20, the receiving signal S19 is inputted, three correlation values having different time locations from each other are calculated by the delay circuits 21-2-21-5, the multiplying circuits 22-1-22-3, and the integration circuit 23-1-23-3, the three correlation values thereof are added by the adding... Agent: Nixon Peabody, LLP

20080095279 - Method and apparatus for selecting a subset of modeled impairment correlation terms for use in received signal processing: A subset of modeled impairment correlation terms are selected for use in received signal processing. According to one embodiment, a subset of modeled impairment correlation terms is selected and a composite impairment correlation term is determined based on the subset of modeled impairment correlation terms. The composite impairment correlation term... Agent: Coats & Bennett, PLLC

20080095281 - Mimo decoding: In a wireless MIMO system with interference cancellation, compensate for decision errors in the cancelled symbols by adjustments to the scaling of the soft estimates with additive interference-proportional to estimates of the decision error probability.... Agent: Texas Instruments Incorporated

20080095282 - Data transmission with spatial spreading in a mimo communication system: For data transmission with spatial spreading, a transmitting entity (1) encodes and modulates each data packet to obtain a corresponding data symbol block, (2) multiplexes data symbol blocks onto NS data symbol streams for transmission on NS transmission channels of a MIMO channel, (3) spatially spreads the NS data symbol... Agent: Qualcomm Incorporated

20080095284 - Peak factor reduction unit and baseband signal processing device: A peak factor reduction unit that never allow peak factor reproduction even when interpolation is done in a succeeding stage. The unit detects a local maximum value of amplitude components from an input complex signal and supplies a complex signal that passes a band limiting baseband filter and an interpolation... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20080095283 - Techniques to reduce the impact of jitter on communications system performance: Techniques are described that can be used to reduce noise attributable to jitter in a received signal. Multiple filters may be available. The number of available filters may correlate to a period of channel-related jitter in terms of clock cycles. One of the filters may be activated for a particular... Agent: Caven & Aghevli C/o Intellevate

20080095286 - Measurement system for delay between two signals transmitted via two transmission paths: System for determining a time delay between a first and second different transmission path, whereby the first transmission path can be the path of a video signal and the second transmission path can be the path of a corresponding audio signal, the system comprising a sender and a receiver wherein... Agent: Philips Intellectual Property & Standards

20080095285 - Synchronizing multiple data converters: Synchronizing multiple-phase data converters by exchanging terminal count pulses via a bidirectional link. Multiple-phase data converters such as analog to digital converters (ADCs) or digital to analog converters (DACs) are synchronized to operate at the same phase by exchanging terminal count (TC) pulses and capturing counter state, representing a time... Agent: Agilent Technologies Inc.

20080095287 - Base station device in multi-carrier transmission, mobile station device, and cell search method: There is provided a mobile station device capable of reducing processing of cell search. In this device, an FFT timing detection unit (603) detects a symbol timing and a frame timing detection unit (606) detects a frame timing by using the frame timing detection symbol. After a frame timing is... Agent: Stevens, Davis, Miller & Mosher, LLP

20080095288 - Method for the synchronization of a radio receiver, and adapted receiver for the implementation of said method: A method for the synchronization of a radio receiver, comprising an estimation of the moment when a pulse (11, 17) is received (11, 17), performed from the moment when a previous pulse was received. The estimated moment is compared with the real moment when the pulse (21, 27) is received... Agent: Drinker Biddle & Reath LLP Attn: Patent Docket Dept.

20080095289 - Fft window spread generating method: The present invention provides an FFT window spread generating method used in the modulation of an OFDM system. When OFDM-modulated received signals each having a time length greater than or equal to an effective symbol length are demodulated by FFT processing using a spread FFT window, the spread FFT window... Agent: Nixon Peabody, LLP

20080095290 - Method and apparatus for identifying the modulation format of a received signal: A method of identifying the modulation format of a received radio frequency (RF) signal from a plurality of modulation formats is described. The method comprises: (a) sampling the RF signal to generate sampled input data (520); (b) analysing at least first samples of the sampled input data to generate characteristic... Agent: Daniel B. Schein, Ph.d., Esq., Inc.

20080095291 - Clock data recovery systems and methods for direct digital synthesizers: A system and method for clock data recovery for programming direct digital synthesizers is disclosed. A counter is used to calculate a coarse measurement of the clock frequency of a received digital signal, and a tap delay line is used to calculate a fine measurement of the clock frequency of... Agent: Ingrassia Fisher & Lorenz, P.C.

20080095292 - Apparatus and method for clock phase alignment between active and standby clock cards and clock card: The present invention discloses an apparatus and a method for clock phase alignment between active and standby clock cards. The apparatus includes: a Direct Digital Synthesizer (DDS) adapted for adjusting a clock phase of a clock card; a phase detection module adapted for detecting a phase difference between a clock... Agent: Leydig Voit & Mayer, Ltd

  
04/17/2008 > patent applications in patent subcategories.

20080089389 - Zero delay frequency switching with dynamic frequency hopping for cognitive radio based dynamic spectrum access network systems: This invention relates to cognitive radio based wireless communications of dynamic spectrum access networks, and in particular to a method of addressing zero-delay frequency switching for cognitive dynamic frequency hopping. The method combines regular (periodic) channel maintenance with dynamic frequency hopping over a cluster of vacated channels that are initially... Agent: Stmicroelectronics, Inc.

20080089390 - Cell isolation through quasi-orthogonal sequences in a frequency hopping network: The present technology relates to protocols relative to utility meters associated with an open operational framework. More particularly, the present subject matter relates to protocol subject matter for advanced metering infrastructure, adaptable to various international standards, while economically supporting a 2-way mesh network solution in a wireless environment, such as... Agent: Dority & Manning, P.A.

20080089391 - Method and apparatus for compensating dc offsets in communication systems: A communications system receiver incorporates a time-averaged DC component subtracter to subtract a time-averaged DC offset component from a received, processed signal. The time-averaged DC offset is selectably calculated from a moving average or a running average. The selection of the time-averaged DC offset can be done depending on whether... Agent: Qualcomm Incorporated

20080089392 - Chirp waveform decoding system: Methods and apparatus for detecting a transmission of digital radio frequency chirps are disclosed. A series of digital chirps, which are emitted from a remote transmitter, are received by an antenna and then fed into an RF receiver. In one preferred embodiment of the invention, noise is extracted from the... Agent: Thomas N. Giaccherini

20080089393 - Radio signal positioning: The present invention relates to positioning of a mobile signal transmitter (MT), wherein a respective distance (DMT-100a-DMT-100d) between the transmitter (MT) and each of a plurality of sensors (100a-100d) is determined based on a direct sequence spread spectrum signal (SMT). A transmitter delay of the signal (SMT) is estimated with... Agent: Albihns Stockholm Ab

20080089394 - System, apparatus and method for synchronizing a spreading sequence transmitted during a plurality of time slots: A system for synchronizing a spreading sequence transmitted during a plurality of time slots includes a plurality of communication stations. Each communication station includes: (a) a control unit; (b) a spreading sequence unit for originating the spreading sequence; (c) at least one of a transmitter and a receiver; (d) at... Agent: Donald D. Mondul Law Office Of Donald D. Mondul

20080089395 - Doppler frequency control of g-rake receiver: A control system and method for controlling a spread spectrum receiver such as a generalized Rake (G-Rake) receiver or chip equalizer based on a frequency shift (ƒD) of a received signal. A hybrid channel estimator outputs a low-rate channel estimate such as a slot average channel estimate if ƒD is... Agent: Ericsson Inc.

20080089396 - Calibration correction for implicit beamforming in a wireless mimo communication system: A transmitter beamforming technique for use in a MIMO wireless communication system determines a partial description of a reverse channel without determining a full dimensional description of the reverse channel. A correction matrix is developed from the partial description of the reverse channel and a description of the forward channel.... Agent: Marshall, Gerstein & Borun, LLP (marvell)

20080089397 - Transceiver with hybrid adaptive self-interference canceller for removing transmitter generated noise to prevent modem jamming: A self-interference canceller (SIC) is incorporated into a transceiver to reduce or eliminate modem jamming when a transmitter in the transceiver transmits at high power levels. The SIC is configured to receive at a first input a transmitter noise reference signal including a self-interfering signal component generated by the transmitter,... Agent: Volpe And Koenig, P.C. Dept. Icc

20080089398 - Determining a mode to transmit data: In one aspect, the invention is a method that includes transferring data at an initial mode from a transmitter to a receiver, determining a suggested mode based on the data transferred and determining a count of the data transferred from the transmitter to the receiver. The method also includes transferring... Agent: Raytheon Company C/o Daly, Crowley, Mofford & Durkee, LLP

20080089399 - Docsis 2.0 scdma capable sniffers which can capture legacy docsis bursts as well: A DOCSIS 2.0 compatible sniffer which can receive legacy DOCSIS 1.x TDMA bursts as well as DOCSIS 2.0 SCDMA bursts. One embodiment uses two cable modems in the sniffer, one to capture downstream data bursts and the other to capture downstream messages and to recover the downstream symbol clock and... Agent: Thelen Reid Brown Raysman & Steiner LLP

20080089400 - Method and apparatus for transmission line testing: A method and device for transmission line testing are provided. A particular modem device includes a transmission line interface to connect to a transmission line. The modem device also includes a memory to store a plurality of transmission line tests. The modem device also includes a controller coupled to the... Agent: Toler Law Group

20080089401 - Signal testing system: One embodiment of the invention includes a method for testing the performance of a Global System for Mobile Communications (GSM) transmitter. The output of the GSM transmitter is converted to a digital signal. A power spectrum is estimated for the GSM transmitter according to the digital signal via a modified... Agent: Texas Instruments Incorporated

20080089402 - Digital quality index for qam digital signals: The present invention relates to a system for calculating a digital quality index (DQI), which provides a rating on a predetermined scale, indicative of the impairments in a received quadrature amplitude modulated (QAM) signal in a CATV cable system. The DQI system utilizes bit error rates prior to and after... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20080089403 - Chip-level or symbol-level equalizer structure for multiple transmit and receiver antenna configurations: Disclosed is a chip-level or a symbol-level equalizer structure for a multiple transmit and receiver antenna architecture system that is suitable for use on the WCDMA downlink. The equalizer structure takes into account the difference in the natures of inter-antenna interference and multiple access interference and suppresses both inter-antenna interference... Agent: Harrington & Smith, PC

20080089404 - Method and system for processing an image, method and apparatus for decoding, method and apparatus for encoding, and program: An image processing system includes a decoder configured to decode an encoded image and an encoder configured to encode the image decoded by the decoder. The decoder includes a decoder adapted to decode the encoded image, and a detector adapted to detect, on the basis of the image, a fade... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080089406 - Information processing device and method, and program: An information processing device configured to process moving image data includes a plurality of calculating units configured to transform a frame rate by subjecting two pieces of frame data to addition and subtraction; and a control unit configured to control the plurality of calculating units to subject each frame data... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080089405 - Method and apparatus for encoding and decoding multi-view video using image stitching: Provided is a method and apparatus for encoding and decoding multi-view video data. The encoding method includes: decomposing each view image of the multi-view video into an overlapped region and a non-overlapped region, the overlapped region being overlapped with other view image and the non-overlapped region not being overlapped with... Agent: Ladas & Parry LLP

20080089407 - Digital television transmitting system and receiving system and method of processing broadcasting data: A digital television (DTV) transmitting system includes a first frame decoder, a second frame decoder, and a frame multiplexer. The first frame decoder forms first enhanced data frames, encodes each data frame for error correction, forms a first super frame by combining the encoded first frames, and interleaves the first... Agent: Lee, Hong, Degerman, Kang & Schmadeka

20080089408 - 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

20080089410 - Moving picture coding method and moving picture decoding method: A moving picture coding apparatus 1 includes: a quantization matrix holding unit (112) that holds a quantization matrix (WM) which has already been transmitted in a parameter set and a matrix ID for identifying the quantization matrix (WM), which are associated with each other; and a variable length coding unit... Agent: Snell & Wilmer L.L.P. (matsushita)

20080089411 - Multiple-hypothesis cross-layer prediction: A system and method for predicting an inter-layer predicted slice of image data from at least two different reference layers, where the inter-layer predicted slice of image data itself resides on yet another layer, different from either of the two reference layers. At least one coded block from the inter-layer... Agent: Foley & Lardner LLP

20080089412 - System and method for using parallelly decodable slices for multi-view video coding: A system and method for enabling parallel decoder implementation for different views, even when there are existing dependencies between views. In various embodiments of the present invention, information is signaled to a decoder that slices are coded using certain constraints, so that parallel decoding of slices is possible. This signaling... Agent: Foley & Lardner LLP

20080089413 - Moving image encoding apparatus and moving image encoding method: An encoding unit that encodes a moving image using inter-frame motion prediction segments each frame into a plurality of segmented regions (302), and determines a region of interest from a frame to be decoded (317). The encoding unit (310) retrieves a pixel set, from the region of interest of the... Agent: Fitzpatrick Cella Harper & Scinto

20080089414 - Method and apparatus for estimating channel induced distortion: There are provided methods and apparatus for estimating channel induced distortion. A method for estimating distortion for an inter-coded image includes the step of calculating an average channel distortion for received inter-coded macroblocks in the inter-coded image as a previous average channel distortion multiplied by a scaling factor.... Agent: Joseph J. Laks Thomson Licensing LLC

20080089415 - Robust digital communication system: Normally ordered robust VSB data are reordered in accordance with a first interleave to produce reordered robust VSB data. The reordered robust VSB data and ATSC data are reordered in accordance with a second interleave to produce normally ordered robust VSB data and reordered ATSC data. The normally ordered robust... Agent: Zenith Electronics Corporation

20080089416 - Method of decoding a current image block: In one embodiment, the method includes obtaining reference picture information, and determining at least one reference picture of the current image block from a plurality of pictures stored in a reference buffer based on the reference picture information. The reference picture information indicates a reference picture type of the reference... Agent: Harness, Dickey & Pierce, P.L.C

20080089418 - Image encoding apparatus and memory access method: Disclosed is an image encoding apparatus and a memory access method. The image encoding apparatus for encoding image data includes: a memory for storing a frame of the image data; a motion prediction unit for detecting a motion vector of a predetermined block unit for a currently-input image frame based... Agent: Cha & Reiter, LLC

20080089417 - Video coding with adaptive filtering for motion compensated prediction: This disclosure is directed to video coding techniques that support normal single layer video coding, or scalable video coding with features such as signal-to-noise ratio (SNR) scalability and spatial scalability. A video coding device may implement these techniques in a video decoder that includes a motion compensation module and a... Agent: Qualcomm Incorporated

20080089419 - Interpolation method for a motion compensated image and device for the implementation of said method: The invention proposes a motion compensated video interpolation that is not sensitive to the errors in the motion estimation vectors. The invention proposes a motion compensated video interpolation method in which the interpolation step varies according to the amplitude and/or a reliability index of the estimated motion vector for the... Agent: Joseph J. Laks Thomson Licensing LLC

20080089420 - Refinement coefficient coding based on history of corresponding transform coefficient values: This disclosure describes techniques for coding of refinement coefficients of an enhancement layer in a scalable video coding (SVC) scheme. According to this disclosure, a method may comprise evaluating a history of transform coefficient values associated with one or more previous layers of the SVC scheme, and estimating one or... Agent: Qualcomm Incorporated

20080089409 - Directional and motion-compensated discrete cosine transformation: Systems and methods provide directional discrete cosine transformation (DCT) and motion compensated DCT. In one implementation, an exemplary system finds a directional property of an image, such as a visual trend, factorizes a DCT operation into primal operations, and applies the primal operations along a corresponding direction to perform the... Agent: Lee & Hayes PLLC

20080089421 - Signal compressing signal: A multi-scanner scans a signal according to several different patterns. A scanning pattern selector determines which scanning pattern produced the most efficient coding result, for example, for runlength coding, and outputs a coded signal, coded most efficiently, and a selection signal which identifies the scanning pattern found to be most... Agent: Sughrue Mion, PLLC

20080089422 - Combined run-length coding of refinement and significant coefficients in scalable video coding enhancement layers: This disclosure describes techniques for coding an enhancement layer in a scalable video coding (SVC) scheme. The techniques involve run-length coding of significant coefficients and refinement coefficients of the enhancement layer. Rather than performing two different run-length passes to separately code the significant coefficients and refinement coefficients, the techniques of... Agent: Qualcomm Incorporated

20080089425 - Efficient significant coefficients coding in scalable video codecs: Techniques for efficient significant coefficients coding in scalable video codecs are described. In one configuration, a device including a processing circuit having a set of instruction operative to generate initialization tables for a current frame or slice is provided. The initialization tables have statistics of a significant coefficient pass for... Agent: Qualcomm Incorporated

20080089424 - Variable length coding table selection based on block type statistics for refinement coefficient coding: This disclosure describes techniques for coding an enhancement layer in a scalable video coding (SVC) scheme. The techniques may be used in variable length coding of refinement coefficients of an enhancement layer of a SVC scheme. According to this disclosure, a method may comprise determining first statistics associated with a... Agent: Qualcomm Incorporated

20080089423 - Variable length coding table selection based on video block type for refinement coefficient coding: This disclosure describes techniques for coding an enhancement layer in a scalable video coding (SVC) scheme. The techniques may be used in coding transform coefficients, and are particularly useful in variable length coding of refinement coefficients of an enhancement layer of a SVC scheme. According to the techniques of this... Agent: Qualcomm Incorporated

20080089426 - Method for mapping memory addresses, memory accessing apparatus and method thereof: A memory accessing apparatus and a method thereof are provided, which are suitable for methods and apparatuses that access memory data in blocks, such as a video decoder. An advanced memory mapping method is adopted to generate the column address and row address of a data word in a memory... Agent: Jianq Chyun Intellectual Property Office

20080089427 - System and method for digital communication having a circulant bit interleaver for equal error protection (eep) and unequal error protection (uep): A system and method for processing uncompressed high definition video data to be transmitted over a wireless medium is disclosed. In one embodiment, the system includes i) a plurality of convolutional encoders configured to input a plurality of video data streams and output a plurality of encoded data streams, respectively,... Agent: Knobbe, Martens, Olson, & Bear, LLP

20080089428 - Method and apparatus for encoding and decoding multi-view video signal, and related computer programs: A multi-view video signal is encoded. The multi-view video signal includes picture signals corresponding to different viewpoints respectively. One among the viewpoints is designated as a base viewpoint. The base viewpoint corresponds to a picture signal which is encoded without referring to at least one picture signal corresponding to one... Agent: Louis Woo Law Office Of Louis Woo

20080089429 - Noise estimator device of video decoder and related method: A noise estimator device of a video decoder includes a reception end, a low pass filter coupled to the reception end, a delay unit coupled to the reception end, a minimum level estimation unit coupled to the low pass filter for estimating a minimum of a specific number of low-pass... Agent: North America Intellectual Property Corporation

20080089430 - Robust digital communication system: Normally ordered robust VSB data are reordered in accordance with a first interleave to produce reordered robust VSB data. The reordered robust VSB data and ATSC data are reordered in accordance with a second interleave to produce normally ordered robust VSB data and reordered ATSC data. The normally ordered robust... Agent: Zenith Electronics Corporation

20080089432 - Apparatus and method for beamforming in a multiple-input multiple-output system: A beamforming apparatus and method in a MIMO system are provided, in which a channel column vector with a highest norm is selected from among channel column vectors of a channel matrix, and a beamforming weight vector being a unitary vector is calculated using the selected channel column vector.... Agent: Docket Clerk

20080089431 - Method and system for allocating communication resources: The present invention relates to a method for allocating communication resources in a multi-user cellular communication system, wherein communication resources are divided in time periods and frequency sub-bands, wherein part of the communication resources are used for frequency-localized communication channels, and part of the communication resources are used for frequency... Agent: Marshall, Gerstein & Borun LLP

20080089433 - Method and apparatus for adapting to dynamic channel conditions in a multi-channel communication system: A disturbance detection and fast re-train method and apparatus configured for use in a multi-channel communication is disclosed. During data communication disturbance detection occurs by monitoring error rates or other factors, such as crosstalk profiles. Upon detection of a disturbance, the system generates and transmits a line upset condition signal... Agent: Weide & Miller, Ltd.

20080089435 - Computer-implemented method and system to enable out of band tracking for digital distribution: A computer-implemented method and system to enable out of band tracking for digital distribution are disclosed. The method and system include storing an ancillary data block related to a unit of digital data to be distributed, the ancillary data block being stored separately from the unit of digital data to... Agent: Schwegman, Lundberg & Woessner/macrovision

20080089434 - Method and system for a reduced emissions direct drive transmitter for unshielded twisted pair (utp) applications: In a transmitter that includes a plurality of partitioned DAC processing cells coupled to a corresponding plurality of partitioned encoder processing cells, a method for processing signals may include aggregating outputs of each of the plurality of partitioned DAC processing cells to generate an analog output signal. The transmitter may... Agent: Mcandrews Held & Malloy, Ltd

20080089437 - Method and apparatus for reducing peak-to-average power ratio of a signal: Peak-to-average power ratio of a signal which has a plurality of components is detailed. An exemplary method, apparatus and embodied computer program distribute the reduction in peak-to-average power ratio over the components of the signal in a non-even manner, taking into account the effect of reducing the peak-to-average power ratio... Agent: Harrington & Smith, PC

20080089439 - Method, clipper module, and transmitter: There is provided a method of clipping a transmission signal. The method comprises: providing a residual signal of a complex envelope clipper based on the transmission signal to be clipped; providing a reference signal respective to the residual signal, the reference signal corresponding to an ideal residual signal; forming a... Agent: Squire, Sanders & Dempsey L.L.P.

20080089436 - Methods and systems for adaptive communication: Various embodiments of the present invention relate to methods and systems for combating noise in a communication system comprising a number of transmission lines. In one method, using noise coefficients are used to pre-distort data that is to be transmitted over one of the number of transmission lines. The noise... Agent: Eschweiler & Associates LLC

20080089440 - Cancelling distortion: A pre-distortion stage 50 is arranged to cancel a harmonic or intermodulation signal produced from an input signal. The pre-distortion stage includes non-amplifying components comprising a first distortion generator network 51 arranged to produce an in-phase distorted version of the input signal and a second harmonic generator network 52 arranged... Agent: Seyfarth Shaw LLP

20080089438 - Signal encoder, signal decoder, signal encoding method, signal decoding method, program, recording medium and signal codec method: According to the present invention, a shift amount Sj-1 of the previous frame is held in a shift amount buffer of an integer signal coder. At least as many last sample values in the previous frame as the number of an order P used in linear predictive analysis are held... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080089441 - Transmitter, receiver, and method of supporting space time block code scheme in single carrier system based on unique word: A transmitter, a receiver, and a method of supporting a space time block code (STBC) scheme in a single carrier (SC) system based on a unique word (UW) are provided. The transmitter supporting an STBC scheme in an SC system based on a UW includes: a space time (ST) encoder... Agent: Sughrue Mion, PLLC

20080089442 - method of performing phase shift-based precoding and an apparatus for supporting the same in a wireless communication system: A method of transmitting data using a phase shift-based precoding in a multiple antenna system using a plurality of subcarriers is disclosed. More specifically, the method includes determining a diagonal matrix to provide different phase angles to each of the plurality of antennas as a part of a phase shift-based... Agent: Lee, Hong, Degerman, Kang & Schmadeka

20080089443 - Wireless communicaton apparatus: A wireless communication apparatus for receiving a packet formed of a signal modulated by OFDM includes the following elements. A band-pass filter extracts an OFDM signal of a desired band. A low-noise amplifier having a gain controlled according to a received-signal intensity amplifies the desired OFDM signal. A frequency converter... Agent: Bell, Boyd & Lloyd, LLP

20080089444 - Power conversion control apparatus and power conversion control method: An inverter system comprises a PWM generator that generates a control signal that causes a switching device to output an output value, a carrier signal generator that outputs a carrier signal to the PWM generator, a carrier frequency changing unit that changes a frequency of the carrier signal, and a... Agent: Foley And Lardner LLP Suite 500

20080089445 - Mobile communication system with integrated gps receiver: A Global Positioning System (GPS) receiver integrated with a cellular phone system, comprising a single-balanced mixer, a poly phase filter, a channel select filter, an analog-to-digital converter, a reference frequency source, and a PLL unit is disclosed. The single-balanced mixer downconverts a GPS signal to generate an in-phase signal I... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080089446 - Apparatus and method for detecting a signal in a communication system using multiple antennas: A method and apparatus for detecting a signal in a communication system using at least two transmit antennas are provided. The signal detection method and apparatus includes selecting a symbol corresponding to a lowest branch metric from among symbols, the number of which corresponds to a modulation scheme, determining a... Agent: JeffersonIPLaw, LLP

20080089447 - Radio base station, radio line control station, and mobile communication system, and mobile communication method: A radio base station related to the present invention includes: a signal storing unit configured to store baseband signals received and over-sampled; a format determining unit configured to determine transport formats of the baseband signals; and a despreader unit configured to despread the baseband signals stored in the signal storing... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080089448 - Fixed-point implementation of a joint detector: A joint detection system and associated methods are provided. A joint detection system is configured to perform joint detection of received signals. The joint detection system includes a joint detector accelerator configured to perform an operation of the joint detection of the received signals, wherein the joint detection includes computing... Agent: Wolf Greenfield & Sacks, P.C.

20080089449 - Method for estimating the symbols of a digital signal and receiver for implementing said method: The invention relates to a method of estimating symbols carried by a digital signal that is received by a receiver over a communication channel (5), said symbols being multiplexed on orthogonal frequency sub-carriers. The inventive method comprises the following steps in relation to each symbol carried by the digital signal,... Agent: Trop Pruner & Hu, PC

20080089450 - Vco ringing correction in packet switched wireless networks: Systems and methodologies are described that facilitate mitigating ringing effects of a voltage-controlled oscillator upon turning on a transmitter. A receiver generates at least one frequency offset estimate subsequent to an antecedent frequency offset estimate that is potentially erroneous due to ringing effects. The receiver extrapolates a phase error on... Agent: Amin, Turocy & Calvin LLP

20080089451 - Interference cancellation system and method using impulse response: An interference cancellation (IC) system and method for use within a 1553 communication system comprising a data bus carrying primary signals having a 1553 component and a non-1553 component are provided. The IC system has an input port, a 1553 data extraction block and an interference cancellation circuit. The interference... Agent: Norman P. Soloway Hayes Soloway P.C.

20080089453 - Modulation circuit having dc offset level control circuit: A modulation circuit according to the present invention includes: a modulator modulating a received signal and outputting a modulated signal; a detector circuit receiving the modulated signal and outputting a envelope of the modulated signal; and a first controller regulating an offset level of the modulator based on the envelope.... Agent: Young & Thompson

20080089452 - Steerable antenna and receiver interface for terrestrial broadcast: Antennas with steerable antenna patterns and techniques for using such antennas are described. In accordance with the invention, antenna patterns with one or more NULLs are used. Through the use of digital control signals the antenna pattern is steered so that a source of signal interference, e.g., a multipath signal,... Agent: Straub & Pokotylo

20080089454 - Digital filter: The digital filter is configured to include a main filter section 12, having a transfer function G(z), for applying an intended filter characteristic to an input signal X sampled at a frequency higher than the Nyquist frequency for output; a quantizer section 13 for re-quantizing an output D2 from the... Agent: Arent Fox LLP

20080089455 - Linear single-antenna interference cancellation receiver: System and method for interference cancellation in a digital wireless communications system. A preferred embodiment comprises sampling a received signal wherein the received signal is real-valued, rotating the sampled received signal by a specified amount, extracting in-phase and quadrature phase streams from the rotated, sampled received signal, applying an interference... Agent: Texas Instruments Incorporated

20080089456 - Synchronization of data links in a multiple link receiver: A dual link receiver terminates, recovers, channel aligns, and link aligns a plurality of primary link channels and a plurality of secondary link channels. The plurality of primary link channels and the plurality of secondary link channels are each received, bit recovered, synchronized, decoded, and channel aligned. Then, the plurality... Agent: Garlick Harrison & Markison

20080089457 - Jitter injection apparatus, jitter injection method, test apparatus, and communication chip: There is provided a jitter injection apparatus that generates an output signal having an injected jitter. The jitter injection apparatus includes a first oscillator that generates a first periodic signal, a second oscillator that generates a second periodic signal having a period different from that of the first periodic signal,... Agent: Osha Liang L.L.P.

20080089458 - Method and apparatus for clock correction in mimo ofdm: A method of phase correction at a wireless device includes: estimating a phase slope for an OFDM symbol in a data portion of a packet based on an elapsed time from the start of the packet; measuring a residual phase slope from tracking pilots for the OFDM symbol in the... Agent: Qualcomm Incorporated

20080089459 - Wide frequency range delay locked loop: A delay locked loop operates over a wide range of frequencies and has high accuracy, small silicon area usage, low power consumption and a short lock time. The DLL combines an analog domain and a digital domain. The digital domain is responsible for initial lock and operational point stability and... Agent: Hamilton, Brook, Smith & Reynolds, P.C.

  
04/10/2008 > patent applications in patent subcategories.

20080084917 - Method for interference control by an ultra-wideband wireless communication system in a multi-user environment and a receiver for performing the same: An Ultra-Wideband (UWB) wireless communication system in a multi-user environment determines a threshold value to eliminate a signal pulse affected by a near-interference from among a plurality of signal pulses transmitted a number of times. A method for controlling an interference includes receiving the signal pulses, calculating a correlation value... Agent: H.c. Park & Associates, Plc

20080084918 - Spread spectrum verification circuit: A method for verifying a spread spectrum function and a spread spectrum verification circuit are provided. Comparing an output frequency of the spread spectrum function with a reference frequency for the spread spectrum function tests an upper bound of the spread spectrum function. If the output frequency increases above the... Agent: Ibm Corporation Rochester Ip Law Dept 917

20080084919 - Multiprotocol wireless communication apparatus and methods: In a wireless transmission method, an input data signal corresponding to a serial combination of a first transmit data signal and a second transmit data signal is received. The first and second transmit data signals are phase-modulated with different first and second spreading code signals to produce first and second... Agent: Edouard Garcia

20080084920 - Transmitter, transmission method, receiver, receiving method, communication device, and communication method: A communication device includes a transmitter and a receiver. The transmitter includes a transmission-side code generator and a first spread unit for example. The receiver includes a reception-side code generator and a first inverse spread unit for example. The transmission-side code generator generates a spread code comprised of a spread... Agent: Mcginn Intellectual Property Law Group, Pllc

20080084921 - Spectrally shaped pseudo-random noise sequence generator and method thereof: Systems and methods for generating spectrally shaped pseudo random noise sequences are described, which may include generating an L-level PN sequence, where L is an integer greater than 1; up-sampling the PN sequence by a factor of M, where M is an integer greater than 1; and filtering the up-sampled... Agent: Schwegman, Lundberg & Woessner, P.a.

20080084922 - Multiprotocol multiplex wireless communication apparatus and methods: Multiprotocol multiplex wireless communication apparatus and methods are described. These apparatus and methods are capable of simultaneously communicating with multiple wireless environments in accordance with different wireless communications protocols. In particular, these apparatus and methods are capable of transmitting and receiving multiplex signals that include constituent data-carrying signals that conform... Agent: Edouard Garcia Attorney At Law

20080084923 - Method and apparatus for power line communication: The variation cycle L of the characteristics of a transmission line is divided into a plurality of sections (n sections), a procedure is repeated in which transmission line estimation is performed for only one section among n sections in one beacon period, and thus transmission line estimation is performed for... Agent: Wenderoth, Lind & Ponack L.l.p.

20080084924 - Matching pursuits basis selection design: Briefly, in accordance with one embodiment, a method of designing a basis selection for matching pursuits is described... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20080084925 - Control of video compression based on file size constraint: A method for processing data includes receiving an image sequence including a succession of image frames for encoding in an image sequence file. A target size of the image sequence file is specified. The image sequence file is generated by encoding the succession of the image frames using at least... Agent: Darby & Darby P.c.

20080084926 - Distributed and automated video encoding and delivery system: At a user or client site, a user initially visits a website hosted by a partner, and following an initial interaction with the website, the user is provided with various software from an administrator website. The software enables the user to download information, such as a video file, to the... Agent: Thelen Reid Brown Raysman & Steiner LLP

20080084927 - Real-time network adaptive digital video encoding/decoding: A method for real time video transmission over networks with varying bandwidth is described. Image quality is maintained even under degrading network performance conditions through the use of image scaling in conjunction with block based motion compensated video coding (MPEG2/4, H.264, et. Al.). The ability to quickly switch resolutions without... Agent: Stolowitz Ford Cowger LLP

20080084928 - Method and apparatus for providing rate control for panel-based real-time video encoder: A method and apparatus for providing multi-panel rate control of real-time video digital encoders such as an MPEG or H series including the steps of bit allocation, rate control and adaptive quantization. Bit allocation assigns a target number of bits per group of pictures, and per picture of each type.... Agent: Motorola, Inc. Law Department

20080084929 - Method for video coding a sequence of digitized images: The invention relates to a method for video coding a sequence of digitized images comprising predicting the contents of each image taking into account a rate distortion optimization criterion being dependent on a Lagrange multiplier; transforming the prediction error resulting from predicting step into a plurality of transformed residual coefficients... Agent: Schiff Hardin, LLP Patent Department

20080084930 - Image coding apparatus, image coding method, image decoding apparatus, image decoding method and communication apparatus: Each of an image coding apparatus and an image decoding apparatus uses a motion compensated prediction using virtual samples so as to detect a motion vector for each of regions of each frame of an input signal. Accuracy of virtual samples is locally determined while the accuracy of virtual samples... Agent: Birch Stewart Kolasch & Birch

20080084931 - Motion vector coding and decoding method: A motion vector coding method and apparatus that improves efficiency of coding motion vectors when a current block is coded using a plurality of motion vectors. The apparatus includes a motion vector coding unit that codes a motion vector inputted from a motion vector detecting unit. A motion vector for... Agent: Wenderoth, Lind & Ponack L.l.p.

20080084932 - Controlling loop filtering for interlaced video frames: Techniques and tools are described for parameterization, signaling and use of in-loop filtering control information for interlaced video frames in video acceleration. For example, for a macroblock of an interlaced video frame, a decoder parameterizes in-loop filtering decisions as filter control information for video acceleration. The control information indicates filtering... Agent: Klarquist Sparkman LLP

20080084933 - Efficient video packetization methods for packet-switched video telephony applications: A device having an encoder and a packet switched video assembler which first estimates how many packets should be generated for one frame based on an estimated frame size and an initial fixed target packet size. Then, an updated packet size is recalculated on a packet-by-packet or slice-by-slice basis. The... Agent: Qualcomm Incorporated

20080084934 - Video error concealment: Error concealment for video with a scene change detection based on inter-coded macroblock energy, spatial concealment for scene changes, and temporal concealment with predicted motion vectors as the global motion vector of the prior frame when half of the current frame macroblocks are corrupted.... Agent: Texas Instruments Incorporated

20080084935 - Method and apparatus for transmitting/receiving data: A method and apparatus for transmitting/receiving data in which a color gamut identifier is included using a synchronization section of an analog image signal are provided. In the method, it is determined whether an analog image signal is a color gamut signal. If the analog signal is a color gamut... Agent: Sughrue Mion, Pllc

20080084936 - Data communication system, data reproducing device, and method of reproducing data: The data reproducing device includes an audio data receiving unit 31 that receives data transmitted by a data transmitting device, a data buffer 32 that temporarily accumulates the received data, and a data amount monitoring unit 33 that monitors an amount of the accumulated data. Further, the data reproducing device... Agent: Darby & Darby P.c.

20080084937 - Intra-bundle power line carrier current system: A system including associated equipment for transmitting radio-frequency power line carrier signals on high voltage ac or dc transmission lines within a multi-conductor bundle, one path for which is provided by one or more conductors located at the center of the bundle, and the other by the remaining conductors connected... Agent: Brian M. Dingman Mirick, O'connell, Demallie & Lougee, LLP

20080084938 - Intersymbol interference mitigation: Embodiments of the present invention provide for computing spatial covariances of intersymbol interference (ISI) and using the computed spatial covariances for ISI mitigation. Other embodiments may be described and claimed.... Agent: Schwabe, Williamson & Wyatt, P.c.

20080084940 - Ofdm receiver: An OFDM receiver includes a CCI detector and a frequency-domain notch filter. The CCI detector detects whether or not the co-channel interference exists in a sub-carrier and lowers the weight of a distorted sub-carrier to eliminate the influence of the co-channel interference. The frequency-domain notch filter receives a frequency-domain signal... Agent: Birch Stewart Kolasch & Birch

20080084939 - Sample buffer size reduction for synchronized dmt-vdsl with shared fft compute units: A communication system and method for a multiple channel communication system includes separating a symbol into two or more channels; performing a transform operation on each of the channels; and timing the output of each of the transform operations to enable one or more sample buffers to receive the output... Agent: Texas Instruments Incorporated

20080084941 - Techniques to efficiently transmit control messages to idle and sleep mode users in ofdma based wireless networks: An embodiment of the present invention provides an apparatus, comprising a base station (BS) operable to communicate with at least one mobile station (MS), wherein said base station is adapted to use a need-based common channel for the transmission of control messages to idle mode and sleep mode mobile stations.... Agent: Intel Corporation C/o Intellevate, Llc

20080084943 - Apparatus and method for estimating channels in mobile communication system by using hidden pilots: Provided is an apparatus and method for estimating channels in a mobile communication system by using hidden pilots. In a method for transmitting data in the mobile communication system, a precoding signal and a hidden pilot are generated using a sequence with auto & cross-correlation characteristics. A user signal is... Agent: Docket Clerk

20080084942 - Method and apparatus for advanced adaptive two dimensional channel interpolation in orthogonal frequency division multiplexing (ofdm) wireless communication systems: An adaptive channel interpolation method and apparatus for OFDM wireless communication systems that use reference symbol-assisted channel estimation is disclosed. A time frequency representation of a subframe having reference symbols scattered throughout is divided into parallelograms, wherein the vertices of each parallelogram are the reference symbols. The channel response of... Agent: Volpe And Koenig, P.c. Dept. Icc

20080084944 - Interference cancellation and spatial multiplexing in wireless local area networks with multiple-input-multiple-output wireless stations: In a wireless local area network employing multiple-input-multiple-output stations, apparatuses and methods are disclosed to increase throughput of the network when the communication path between two communicating stations has a strong line-of-sight component. An embodiment performs a singular value decomposition on the channel matrix for the strongly line-of-sight channel, and... Agent: Seth Kalson C/o Intellevate, Llc

20080084945 - Driver circuit for reducing the effects of disturbances on the duty cycle of a digital signal on a bus conductor: An electronic circuit contains a driver circuit (12) with an output coupled to a digital communication conductor (14), for driving changes of a potential at the digital communication conductor (14) to and from a digital signal level. The driver circuit (12) comprises a control circuit (120), to generate selection signals... Agent: Nxp, B.v. Nxp Intellectual Property Department

20080084946 - Path selection method and device: A method and a device for selecting paths of a multipath channel. The method selects a path if an estimate of the relative contribution of the current path to the output signal-to-noise ratio of the receiver exceeds a given threshold.... Agent: Cohen, Pontani, Lieberman & Pavane

20080084947 - Method for receiving data by a universal asynchronous receiver transmitter: The present invention discloses a method for receiving data by a universal asynchronous receiver transmitter, which includes a receive shift register, a receiver FIFO, receiver buffer, a line status register, and a good data length register (GDL). The receive shift register is connected to the receiver FIFO and the line... Agent: Moxa Technologies Co., Ltd

20080084948 - Wireless communication apparatus: In a lattice-reduction-aided receiver based wireless communications system, soft estimates of transmitted bit values are determined from a received signal by applying lattice reduction to the channel estimate and equalising the received signal in accordance with the reduced basis channel, and determining probabilities of transmitted bits having particular values by... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080084949 - Method, system and program product for the insertion and retrieval of identifying artifacts in transmitted lossy and lossless data: Identifying artifacts are inserting in radio frequency broadcast data at the transmitter and retrieved at a receiver, allowing verification of the receipt of the transmitted data, authentication of transactions that use the transmitted data, or activation of processes dependent on receipt of the carrier data. A content system receives content... Agent: Dillon & Yudell LLP

20080084950 - System for realizing emergency rate adjustment: A system for realizing emergency rate reduction (SOS). A receiver initiates a short rate-reduction request, and communicates that request to a transmitter. The transmitter initiates an operational switch to an adjusted transmission reference (i.e., a new bit/gain table), by sending a signal to synchronize the operational switch for both the... Agent: Conley Rose, P.c.

20080084951 - Systems and methods for receiving multiple input, multiple output signals for test and analysis of multiple-input, multiple-output systems: Systems and methods for receiving MIMO signals for testing and analyzing operation of MIMO communications devices. Examples of systems and/or methods for receiving MIMO signals include a measuring receiver with N RF paths consisting of N downconverters. Each downconverter achieves a frequency shift of the input MIMO signal equal to... Agent: Agilent Technologies Inc.

20080084952 - Channel equalization with scdma modulation: The present invention relates a system and method for mitigating impairment in a communication system. In one embodiment, the system comprises a transmitter adapted to transmit at least one signal and a receiver adapted to receive the at least one signal and mitigate inter code interference in the signal using... Agent: Law Office Of Kevin H Fortin

20080084953 - Method and apparatus for suppressing adjacent channel interference and multipath propagation signals and radio receiver using said apparatus: A method detects multipath propagation in a modulated digital signal. The method provides a first value of channel frequency, representing the modulated digital signal free of multipath propagation, providing a second value of said channel frequency, representing the modulated digital signal with multipath propagation, and comparing the first and second... Agent: Seed Intellectual Property Law Group Pllc

20080084954 - Satellite signal adaptive time-division multiplexing receiving device: An adaptive time-division multiplexing receiver and method for a GNSS system using pilot and data channels for each satellite are disclosed. According to the present invention, multiplexing hypotheses of correlation are properly distributed to pilot and data channels. The pilot and data channels of one satellite can be dealt with... Agent: Madson & Austin

20080084955 - Fast-locked clock and data recovery circuit and the method thereof: The present invention discloses a fast-locked clock and data recovery circuit, which adopts a 2× oversampling technology and comprises: a multi phase-outputting phase-locked loop generating a plurality of phases θi; a phase interpolator synthesizing the obtained phases θn and θn+2 into a sampling phase Φn based on the weighting coefficient... Agent: Rosenberg, Klein & Lee

20080084956 - Absolute value peak differential voltage detector circuit and method: A peak voltage detector is used to detect the absolute value of the peak differential amplitude of a differential input signal. The peak voltage detector includes a differential amplifier receiving the differential input signal and generating a corresponding pair of differential output signals. The voltage detector also includes a capacitor... Agent: Dorsey & Whitney LLP Intellectual Property Department

  
04/03/2008 > patent applications in patent subcategories.

20080080594 - Cdma wireless system: Information symbols are transmitted simultaneously on independent streams using the same spreading code but from different transmit antennas at the transmitter. These simultaneous data stream could be intended for the same user (and thereby the data rate for any particular user can be increased) or for different users (thereby increasing... Agent: Dickstein Shapiro LLP

20080080595 - Method and system for sending data using a very high bit rate digital subscriber line: In a particular embodiment a VDSL repeater is disclosed. The VDSL repeater includes a first interface for receiving data from an IPTV network node; a second interface for sending data to an end user client device; and an amplifier in electrical communication with the first interface for amplifying data received... Agent: G. Michael Roebuck, PC

20080080596 - Repeater apparatus and method for controlling the same: In a home theater system having a source apparatus, a repeater apparatus and a sink apparatus connected in the recited order, when connected to a sink apparatus, whatever type it is, the repeater apparatus provides the source apparatus with video and audio signal format information that allows correct transmission. A... Agent: Stevens, Davis, Miller & Mosher, LLP

20080080599 - Heterodyne rf transceiver for radar sensor: In the RF transceiver, a heterodyne method using an intermediate frequency (IF) signal is applied, and one AGC circuit and three receiving antennas for enhancing receive sensitivity are used, so that the receive sensitivity is improved by 30 dB or more compared with a conventional RF transceiver using a homodyne... Agent: Ladas & Parry LLP

20080080598 - Method and apparatus for processing communication using different modulation schemes: A transmitter and method for processing a digital data stream is disclosed. The transmitter includes a mode controller that selects one of a first mode or a second mode such that the transmitter operates with a first modulation scheme in the first mode and a second modulation scheme in the... Agent: Ratnerprestia

20080080597 - Rf transceiver with power optimization: An RF transceiver includes a low noise amplifier module, a blocking circuit, a down-conversion module, a processing module, an up-conversion module, and a power amplifier module. The low noise amplifier module amplifies inbound RF signals. The blocking circuit, when enabled, substantially attenuates a blocking signal and passes, substantially unattenuated, desired... Agent: Garlick Harrison & Markison

20080080600 - Method and apparatus for automatic rate identification and channel synchronization in a master-slave setting for high data throughput applications: Methods and apparatus are provided for automatic rate identification and channel synchronization in a master-slave setting for high data throughput applications. An interface is provided for use between a parallel bus and a serial bus. The interface includes a plurality of serializer/deserializer circuits that generate a clock signal, wherein one... Agent: Ryan, Mason & Lewis, LLP

20080080602 - Transmitting data between a data processing device and a modem: A data transmission between a data processing device, which is coupled to a network by means of a modem, and the modem. Data, which have been transmitted by the modem, are received in data packets of a first type in a format in accordance with a first data transmission protocol.... Agent: Dickstein Shapiro LLP

20080080601 - System and method for selectable mask for ldsl: The present invention overcomes various problems by defining two upstream masks (UI, U2) and two downstream masks (DI, D2) and using a mask selectable system for the long reach digital subscriber line (LDSL), in which a unique modem feature is activated during handshake to automatically check for physical layer status... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080080603 - On-chip detection and measurement of data lock in a high speed serial data link: A method for on-chip detection of data lock and measurement of data lock time in a high-speed serial data link, including: permitting one or more incoming data streams into the high-speed data link; establishing a pattern to be searched in the one or more incoming data streams; comparing patterns in... Agent: Cantor Colburn LLP - IBM Research Triangle Park

20080080604 - Spectrum-sensing algorithms and methods: Spectrum-sensing algorithms and methods may be provided for use in cognitive radios and other applications. The spectrum-sensing algorithms and methods may include receiving an input spectrum having a plurality of channels, performing a coarse scan of the plurality of channels of the input spectrum to determine one or more occupied... Agent: Sutherland Asbill & Brennan LLP

20080080605 - Transport delay and jitter measurements: A method of measuring transport delay and jitter with a realtime oscilloscope using cross-correlation acquires waveforms from two test points in a system under test. Clock recovery is run on both waveforms to obtain respective rates and offsets. A time offset between the two waveforms is computed. The jitter from... Agent: Thomas F. Lenihan Tektronix, Inc.

20080080607 - Dynamic equalizer algorithm in digital communication equipment for multipath compensation and interference cancellation: A digital equalizer of a communication signal processor includes a shift register having a fixed portion and a variable portion. The fixed portion includes delay taps that are optimized for mitigating the effects of reflections of a desired signal. The variable portion includes delay taps, the configuration of which can... Agent: Arris International, Inc

20080080606 - Method and system for performing timing recovery in a digital communication system: Processing signals in a digital communication may include equalizing a signal in a timing-recovery system using a frequency domain equalizer. The frequency domain equalizer may be a frequency domain adaptive filter that adapts using a least-mean-square algorithm where at least one tap-weight that corresponds to a pre-cursor may be constrained... Agent: Mcandrews Held & Malloy, Ltd

20080080612 - Fast adaptive time domain hybrid equalizer for time reversal-space time block code system: A fast adaptive time domain equalizer for a Time Reversal-Space Time Block Code (TR-STBC) system is provided. More particularly, a reduced-complexity hybrid Decision Feedback Equalizer (DFE) configuration for the TR-STBC system, and a Least Mean Square (LMS), a normalized LMS (NLMS), and a Recursive Least Square (RLS)-based adaptive algorithms for... Agent: Sughrue Mion, PLLC

20080080611 - Method and apparatus for decision-feedback equalization using single-sided eye with global minimum convergence: Methods and apparatus are provided for decision-feedback equalization with global minimum convergence. A threshold position of one or more DFE latches employed by a decision-feedback equalizer is determined by obtaining a plurality of samples of a single-sided data eye using at least one decision latch and at least one roaming... Agent: Ryan, Mason & Lewis, LLP

20080080608 - Method and apparatus for determining latch position for decision-feedback equalization using single-sided eye: Methods and apparatus are provided for determining the threshold position of one or more latches employed for decision-feedback equalization. A threshold position of a latch employed by a decision-feedback equalizer is determined by constraining input data such that the input data only contains transitions from a first binary value; obtaining... Agent: Ryan, Mason & Lewis, LLP

20080080610 - Method and apparatus for generating one or more clock signals for a decision-feedback equalizer using dfe detected data in the presence of an adverse pattern: Methods and apparatus are provided for generating one or more clock signals for a decision-feedback equalizer using DFE detected data, in the presence of an adverse pattern, such as a Nyquist pattern. A received signal is sampled using a data clock and a transition clock to generate a data sample... Agent: Ryan, Mason & Lewis, LLP

20080080609 - Method and apparatus for non-linear decision-feedback equalization in the presence of asymmetric channel: Methods and apparatus are provided for determining the threshold position of one or more latches employed for decision-feedback equalization in the presence of a non-linear channel. A latch employed by a decision-feedback equalizer is positioned by constraining input data such that the input data only contains transitions from a first... Agent: Ryan, Mason & Lewis, LLP

20080080613 - Block time domain equalizer for time reversal-space time block code system and method for encoding and equalizing received signal in the block time domain equalizer: Provided is a block Time Domain Equalizer (TDE) for a Time Reversal-Space Time Block Codes (TR-STBC) system. The block TDE comprises a block equalizer which generates an output based on an equalizer tap weight with respect to two consecutively received blocks, an equalizer tap weight updating unit which generates an... Agent: Sughrue Mion, PLLC

20080080614 - Digital scaling: Computer program products and arrangements to process digital data are contemplated. The digital data may contain values, representing quantities of a wave form over regions. Embodiments include transformations, code, state machines or other logic to process digital data by dividing one of the regions, where one of the values represents... Agent: Schubert Osterrieder & Nickelson PLLC

20080080615 - Method and apparatus for video codec quantization: An encoder, a decoder, and corresponding methods are provided for encoding and decoding video signal data for an image block. The encoder includes a quantizer for receiving transform coefficients for the image block, and for adaptively performing dead-zone quantization based on coefficient positions and coefficient distributions of the transform coefficients.... Agent: Thomson Licensing LLC

20080080616 - Apparatus and method for compression-encoding moving picture: The apparatus includes: a B-slice checker for performing a B-slice check for current frame data; a maximum inter mode prediction bit calculator for performing motion estimation and motion compensation for an inter mode using the maximum division block and calculating a prediction bit value; a minimum intra mode prediction bit... Agent: Ladas & Parry LLP

20080080617 - Motion vector detection apparatus and method: A plurality of motion vector candidates is extracted, which includes motion vectors of a first set of blocks and a second set of blocks each adjacent to an object block. The first set of blocks has the same size as the object block. The second set of blocks has a... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080080618 - Video decoding apparatus and method of the same: A video decoding apparatus which decodes a bitstream on an area-by-area basis. The area is included in a picture of an interlace format. The bitstream is coded by switching coding types between field coding and frame coding. The apparatus includes: a filter processing unit which performs post filtering for removing... Agent: Wenderoth, Lind & Ponack L.L.P.

20080080619 - Method and apparatus for compressed video bitstream conversion with reduced-algorithmic-delay: The present invention relates to converting media bitstreams across different networks in a media gateway without any algorithmic delay, and reduces the computation load within the transmission in the situation where the bandwidth of the outgoing network varies dynamically. A first embodiment of the present invention provides an apparatus and... Agent: Townsend And Townsend And Crew, LLP

20080080620 - Method and apparatus for entropy encoding/decoding: A method and apparatus are provided for performing entropy encoding on a fine granular scalability layer. A method of entropy encoding on a plurality of current coefficients of a quality layer among a plurality of quality layers of an image block divided into the plurality of quality layers, includes determining... Agent: Sughrue Mion, PLLC

20080080621 - System, method, and apparatus for display manager: A system, method, and apparatus for decoding and displaying images utilizing two processors and two memory units. The decode process receives images which are encoded according to a predetermined standard. Included with the encoded images are parameters which facilitate the decode and display processes. The decode process decodes the encoded... Agent: Mcandrews Held & Malloy, Ltd

20080080622 - Multichannel quadrature modulation: A multichannel television access control system is disclosed wherein processing of the broadband signal is performed by gated coherent RF injection on a plurality of channels, thereby effecting selective descrambling of an arbitrary subset of channels in a channel group. The system provides for a closed loop injection signal phasor... Agent: Motorola, Inc. Law Department

20080080623 - Method for error concealment in decoding of moving picture and decoding apparatus using the same: A method and apparatus for error concealment in decoding of a moving picture. The method includes the steps of determining an erroneous macro block in a present frame when the moving picture is decoded, finding a first macro block having a highest similarity to the erroneous macro block and a... Agent: Cha & Reiter, LLC

20080080624 - Encoding bits into simultaneous pulse pairs: Methods and apparatuses for encoding a plurality of bits into a plurality of pairs of simultaneous electrical pulses.... Agent: Banner & Witcoff, Ltd. Attorneys For Client 007052

20080080625 - Power line communication apparatus, power feeding system, power feeding control method and computer readable medium: A power line communication apparatus includes a power feeding unit, a power information detection unit, a storage unit and a power line communication unit. The power feeding unit feeds power from a power line to an external apparatus. The power information detection unit detects power information regarding the external apparatus... Agent: Oliff & Berridge, PLC

20080080627 - Controlling filter in connection with cyclic transmission format: A method for controlling a filter, a transmitter, a receiver and an apparatus are provided. The apparatus comprises a filter configured to filter signal blocks to be transmitted in a cyclic transmission form and a controller configured to select a roll-off factor of the filter for a signal block depending... Agent: Squire, Sanders & Dempsey L.L.P.

20080080629 - Method for improving inter cell interference cancellation in an cellular radio communication system and corresponding base station and subscriber station: The present invention relates to a method for improving inter cell interference cancellation in an cellular radio communication system, said cellular radio communication system sending OFDM frames on an air interface, each OFDM frame comprising a pilot tones part and a payload part comprising a plurality of bursts According to... Agent: Sughrue Mion, PLLC

20080080626 - Wireless frame having alternating cyclic prefixes: Embodiments of a wireless frame having alternating cyclic prefixes are presented herein.... Agent: Lee & Hayes, PLLC

20080080630 - Channel estimation method and apparatus in an ofdm wireless communication system: A method and apparatus for performing channel estimation in an Orthogonal Frequency Division Multiplexing (OFDM) wireless communication system. The method and apparatus includes receiving a training sequence at each of a plurality of predetermined subcarriers; performing primary channel estimation on each of the training sequences by a Least Square (LS)... Agent: Sughrue Mion, PLLC

20080080628 - Communication device: Improving the accuracy of estimation of channel responses in receiving signals from a plurality of antennas is disclosed. A transmitting device of a base station includes a preamble A generating unit 010, a preamble B generating unit 011, phase rotating units 012 and 013, multiplexing units 014 and 015, an... Agent: Birch Stewart Kolasch & Birch

20080080631 - System and method for ditributed input-distributed output wireless communications: A system for dynamically adapting the communication characteristics of a multiple antenna system (MAS) with multi-user (MU) transmissions (defined with the acronym MU-MAS), such as a distributed-input distributed-output (DIDO) communication system. For example, a system according to one embodiment of the invention comprises: one or more coding modulation units to... Agent: Blakely Sokoloff Taylor & Zafman

20080080635 - Advanced feedback signaling for multi-antenna transmission systems: The present invention relates to enhanced feedback in a multi-antenna transmission system, wherein an operation mode of a multi-antenna transmission end may be determined at a reception end of a connection, and a feedback information and a mode indicator may be generated based on the determined operation mode and transmitted... Agent: Banner & Witcoff, Ltd.

20080080636 - Channel estimation method and apparatus in an ofdm wireless communication system: A method and apparatus for estimating a channel in an Orthogonal Frequency Division Multiplexing (OFDM) wireless communication system. A Least-Square (LS) channel estimator receives a training sequence, and performs LS channel estimation on each of a predetermined number of subcarriers independently. A Split Minimum-Mean-Square-Error (S-MMSE) channel estimator separates the predetermined... Agent: Sughrue Mion, PLLC

20080080632 - Method and device for operating a precoded mimo system: A method is provided for generating precoder data (600), comprising: obtaining transmit power data indicative of a transmit power of a plurality of multiple-input/multiple-output signals (610); obtaining signal quality data, the signal quality data including at least one measure of a quality of the plurality of multiple-input/multiple-output signals (620, 630);... Agent: Posz Law Group, PLC

20080080633 - Method and system for achieving space and time diversity gain: Certain aspects of a method and system for achieving space and time diversity gain are disclosed. Aspects of one method may include modifying a generalization code of at least one pilot channel, to measure signal strengths for each of a plurality of received multipath signals. A portion of the plurality... Agent: Mcandrews Held & Malloy, Ltd

20080080634 - Mimo precoding enabling spatial multiplexing, power allocation and adaptive modulation and coding: In a closed-loop wireless communication system, a codebook-based feedback mechanism is provided to enable non-unitary precoding for multi-stream transmission, where in each stream is optimized with suitable transmission power allocation and AMC. The codebook-based feedback mechanism uses a precoding codebook having a power allocation matrix which is constrained to specify... Agent: Hamilton & Terrile, LLP

20080080637 - System and method for performing precoding in a wireless communication system: A base station capable of performing precoding in a wireless communication system is provided. The base station includes a plurality of codebooks and a codebook selector. Each codebook comprises a plurality of composite precoding matrices that are generated based on a corresponding diversity precoding matrix. The codebook selector is operable... Agent: Docket Clerk

20080080638 - Method and apparatus for joint detection: A joint detection system and associated methods are provided. The joint detection system is configured to perform joint detection of received signals and includes a joint detector accelerator and a programmable digital signal processor (DSP). The joint detector accelerator is configured to perform front-end processing of first data inputted to... Agent: Wolf Greenfield & Sacks, P.C.

20080080640 - Method and system for minimizing power consumption in a communication system: A method and system for minimizing power consumption in a communication system is provided. The method may include adjusting the supply voltage of a linear amplifier, which may be used for amplifying a RF signal, in proportion to the envelope of the baseband of the RF signal. The signals may... Agent: Mcandrews Held & Malloy, Ltd

20080080639 - Signal processing method and power amplifier device: A signal processing method and power amplifier device are disclosed. The method may include receiving a signal to be transmitted, decomposing an original signal into a plurality of smaller constant-amplitude signals, wherein a vector sum each of the smaller constant-amplitude signals equals the original signal, amplifying the smaller constant-amplitude signals... Agent: Mr. Ronald E. Prass, Jr. Irving, Prass & Stelacone, LLP

20080080642 - Apparatus and method for encoding/decoding data in multiple antenna communication system: A data encoding/decoding method in a multiple antenna communication system is provided. In the multiple antenna communication system, a transmitting end includes an encoder for performing Space Time Block Code (STBC) encoding on certain symbols among Transmit (Tx) symbols, a multiplexer for performing spatial multiplexing on the rest of symbols... Agent: JeffersonIPLaw, LLP

20080080641 - Codeword permutation and reduced feedback for grouped antennas: Systems and methodologies are described that facilitate reducing feedback required to be, transmitted on a reverse link channel in response to a forward link data transmission for multiple-input multiple-output (MIMO) wireless communication systems. In a per group rate control MIMO system, a codeword can be linked to more than one... Agent: Qualcomm Incorporated

20080080643 - Apparatus and method for detecting advanced gcl sequence in wireless communication system: An apparatus and method for detecting a GCL sequence using a magnitude and a sign of a real part of a I/FDFT output except an imaginary part in a wireless communication system. The apparatus includes: a modified inverse/forward discrete fourier transform (I/FDFT) processing unit for enabling that the GCL sequence... Agent: Lowe Hauptman Ham & Berner, LLP

20080080644 - Nonlinear digital signal processor:

20080080645 - Pre-scaling of initial channel estimates in joint detection: A joint detection system and associated methods are provided. The joint detection system is configured to perform joint detection of received signals. The joint detection system includes a programmable digital signal processor (DSP) configured to generate initial channel estimates corresponding to propagation channels, wherein each of the initial channel estimates... Agent: Wolf Greenfield & Sacks, P.C.

20080080646 - Method and apparatus for iteratively calculating channel response estimates: Channel response and impairment correlation estimates are iteratively determined. According to one embodiment of performing channel estimation for use in received signal processing, a channel response estimate is calculated based on an initial impairment correlations estimate and a measured channel response derived from a received signal. A revised impairment correlations... Agent: Coats & Bennett, PLLC

20080080648 - Microcontroller unit (mcu) with suspend mode: A microcontroller unit having a suspend mode of operation includes a processing circuit for receiving digital information and processing said received digital information. Timing circuitry generates timing signals to the processing circuit responsive to signals received from a clock circuit which generates both an internal clock signal and an external... Agent: Howison & Arnott, L.l.p

20080080647 - System and method for alignment of clock to data: A system and method for training a clock signal are described. The method includes determining a first position of a clock signal by training the clock signal using a first test data, determining a final position of a clock signal by training the clock signal using a second test data,... Agent: Intel/blakely

20080080650 - Clock synchronization circuit: A clock synchronization circuit includes a clock generation circuit generating a sampling clock for sampling a received signal from an output of a local oscillator, a phase error detection circuit finding a phase error between sampling timing of the sampling clock and ideal sampling timing, and a timing correction circuit... Agent: Nec Corporation Of America

20080080649 - Method and apparatus for clock skew calibration in a clock and data recovery system using multiphase sampling: Methods and apparatus are provided for clock skew calibration in a clock and data recovery system. One aspect of the invention compensates for skew among a plurality of clocks in a clock and data recovery system. The clocks are applied to a plurality of latches to sample an incoming signal.... Agent: Ryan, Mason & Lewis, LLP

20080080651 - Apparatus and method for tracing processor state from multiple clock domains: A method of tracing processor data includes receiving a first trace stream from a first processor operating in response to a first clock and a second trace stream from a second processor operating in response to a second clock. The first trace stream is routed to a first dual-port synchronous... Agent: Cooley Godward Kronish LLP Attn: Patent Group

20080080652 - Single wire transmission without clock synchronization: The present invention discloses a method for single-wire transmission without clock synchronization, comprising: providing three states; defining a spacing bit by a first state of the three states; and defining data signals, a start signal and an end signal by combinations of the second and third states of the three... Agent: Tung & Associates

20080080653 - System and method for clockless data recovery: A system for clockless synchronous data recovery is provided. The system includes an input rate demultiplexer receiving a serial data stream of bits of data transmitted at a bit rate and generating two or more parallel data streams from the serial data stream. One or more delays coupled to the... Agent: Mr. Christopher John Rourk Jackson Walker LLP

20080080654 - Dual clock domain deskew circuit: In general, in one aspect, the disclosure describes an apparatus including a first deskew unit and a second deskew unit. The first deskew unit operates at a first clock domain and provides fine timing adjustment to a signal. The second deskew unit operates at a second clock domain that is... Agent: RyderIPLaw C/o Intellevate

20080080658 - Lock detection circuit and method for phase locked loop system: A lock detection circuit and method are disclosed for phase locked loop (PLL) systems. The lock detection circuit primarily includes a delay unit and an asserting logic unit. The delay unit receives the phase error signal of the PLL and produces a present phase error signal, and then accordingly generates... Agent: Squire, Sanders & Dempsey L.l.p

20080080657 - Methods and apparatus for digital compensation of clock errors for a clock and data recovery circuit: Methods and apparatus are provided for digital compensation of clock timing errors in a VCDL. Clock timing errors in a clock and data recovery system having a voltage controlled delay loop comprised of a plurality of delay elements are compensated for by evaluating a phase of data recovered from an... Agent: Ryan, Mason & Lewis, LLP

20080080656 - Methods and systems for coding of a bang-bang detector: Various apparatus and methods for related to clock recovery are disclosed. For example, in one illustrative embodiment, a clock recovery circuit includes a coding circuit adapted to translate a stream of first digital numbers derived from a source signal into a stream of first binary numbers and a stream of... Agent: Docket Administrator Agere Systems Inc.

20080080655 - Precise frequency rail to rail spread spectrum generation: A method and circuit for generating a spread spectrum that will allow for precise control of the upper and lower frequencies of the fundamental to control the spread at the harmonics. The spread spectrum generation circuit of this invention includes a first clock producing a first frequency, a second clock... Agent: Cantor Colburn LLP - IBM Rochester Division

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