Pulse or digital communications inventions 12/08

20080317098 - Low power radio device with reduced interference: A low power radio device, operable in a first radio system, comprising: a detector for detecting the polarization of an antenna of a further radio device, operating in a further radio system, different to the first radio system; and a transmitter for controlling the polarization of a transmitted radio signal... Agent: Morgan & Finnegan, L.L.P.

20080317099 - Method and apparatus for signal carrier-to-noise power density ratio caculation: There is provided an apparatus for determining a carrier-to-noise power density ratio (CN0) of a spread spectrum signal. The apparatus includes a signal power calculation unit and a conversion unit. The signal power calculation unit determines a signal power indicator indicative of a signal to noise ratio of the spread... Agent: Patent Prosecution O2mirco , Inc.

20080317100 - Method and device for blind dehopping: A method and device are disclosed for real-time characterization of frequency-hopping networks, in which the signal to be characterized is converted into a digital signal and the frequency characteristics of the signal are determined. A frequency hop is sought for synchronization with the start of the transmission. The frequency is... Agent: Lowe Hauptman & Berner, LLP

20080317101 - Method and apparatus for detecting lock status of a gps signal: An apparatus for detecting lock status of a spread spectrum signal, having a first accumulator, a first calculation unit, a second calculation unit, a second accumulator, a multiplier and a comparator. The first accumulator accumulates an in-phase integration result and a quadrature integration result over a time period. The first... Agent: Wang Law Firm, Inc.

20080317102 - Method and apparatus for interference suppression in a wireless communication receiver: According to methods and apparatus taught herein, a parametric model of received signal impairment correlations includes a parametric model term that accounts for a dominant receiver but does not result in any significant increase in parametric modeling complexity. In more detail, the parametric model models the dominant interferer as a... Agent: Coats & Bennett, PLLC

20080317103 - Method and apparatus for receiving plurality of data signals: A transmitter site transmits a plurality of different data signals at a chip rate over a shared spectrum in a code division multiple access communication system. Each transmitted data signal experiences a similar channel response. A combined signal of the transmitted data signals is received. The combined signal is sampled... Agent: Volpe And Koenig, P.C. Dept. Icc

20080317104 - Linear transformation matrices for distributed diversity: A signal for relay is received from a first node. From a local memory that stores K transform matrices (K being an integer greater than one) is selected a transform matrix that is associated with a relay rank order. The matrices define an optimal tradeoff of diversity gain versus spatial... Agent: Harrington & Smith, PC

20080317105 - Low-current radio-frequency transceiver for use in short-range duplex communications applications: A low-current transceiver, powered by two small low-voltage batteries, for use in wireless headset/phoneset applications, such as hands-free headsets used with cellular telephones. Re-use of current from at least one circuit to provide power to at least one other power-consuming element of the transceiver, along with interrupt-driven control of the... Agent: Stainbrook & Stainbrook, LLP

20080317106 - Mcu with integrated voltage isolator and integrated galvanically isolated asynchronous serial data link: An integrated circuit comprises a first microcontroller unit for executing instructions in accordance with a first clock frequency. The microcontroller located on a first die and includes a first processing core for providing a parallel stream of data in accordance with the first clock frequency. A second microcontroller unit executes... Agent: Howison & Arnott, L.l.p

20080317108 - Data processing terminal system and transmitting and receiving method using the same: An information processing terminal system includes an information processing terminal (6); and a transmitting and receiving unit (5) which is attached to the information processing terminal. The transmitting and receiving unit (5) converts a reception wave signal from a network into a reception analog baseband signal. The transmitting and receiving... Agent: Sughrue Mion, PLLC

20080317107 - Method for selecting an operating mode automatically: Embodiments of the present invention discloses a method for selecting an operating mode including the steps: a first station transmits downlink handshake signals to a second station; the second station acquires the information of the downlink handshake signals and transmits the acquired information to the first station; the first station... Agent: Leydig Voit & Mayer, Ltd

20080317109 - Characterizing non-compensable jitter in an electronic signal: One embodiment of the present invention processes a signal of interest through an optional reference channel, combines the resulting signal with white noise, and then processes the noisy signal through a reference receiver. Two metrics are calculated from the results of that processing: Non-Compensable Data-Dependent Jitter (NC-DDJ) and Enhanced Transmitter... Agent: Mendelsohn & Associates, P.C.

20080317110 - Reliable multicarrier communication in the presence of timing phase error: A method, system and apparatus for reliable multicarrier communication in the presence of timing phase error is disclosed. Phase noise due to a sampling-time phase mismatch between a transmitter device and a receiver device is measured in a signal. A Gaussian noise power level in the signal is determined, and... Agent: Blakely Sokoloff Taylor & Zafman LLP

20080317111 - Video quality measurement: This application is concerned with a non-intrusive video quality measurement method, in particular where the video signal having: an original form; encoded form in which video signal has been encoded using a compression algorithm utilising a variable quantiser step size such that the encoded signal includes a quantiser step size... Agent: Nixon & Vanderhye, PC

20080317112 - Bidirectional equalizer with improved equalization efficiency usng viterbi decoder information and equalization method using the bidirectional equalizer: A bidirectional equalizer and an equalization method using the bidirectional equalizer. The bidirectional equalizer includes: a first equalizer to eliminate inter-symbol interference present in a data sequence transmitted from a transmitter and to generate a first candidate data sequence; a first time reverse operator to reverse the order of the... Agent: Stanzione & Kim, LLP

20080317114 - Reciprocal index lookup for btsc compatible coefficients: An algorithm calculates spectral compression/expansion filter coefficients using a value proportional to a reciprocal of a feedback/feedforward signal and stores the coefficients to a lookup table. The lookup table is indexed by a pre selected set of coefficient bits to generate a filter coefficient function. A first portion of the... Agent: Mcdermott Will & Emery LLP

20080317113 - System and method for run-time reconfiguration: A reconfigurable digital signal processing system includes a serial to parallel converter having at least one delay block and at least one decimation block arranged to convert a first serial signal with a first sampling rate to a multiplicity of parallel subband signals with a second sampling rate. The second... Agent: Ratnerprestia

20080317119 - Av renderer peripheral with dual inerrupt lines for staggered interrupts: An audio-video (AV) playback chain and rendering peripheral device 300 for generating two or more interrupts 306, 308 with a programmable delay 304 between them. Such are configured to prevent two processors 310, 314 from racing to access the same system resources in their respective interrupt service routines.... Agent: Nxp, B.v. Nxp Intellectual Property Department

20080317117 - Method and a device for transmitting images:

20080317116 - Method, medium, and system compressing and/or reconstructing image information with low complexity: A system, medium, and method compressing and/or restoring images. Such a data compression method may include selecting a mode from among a plurality of modes for compressing current data, according to predetermined criteria, and calculating a difference between the current data and reference data, according to the selected mode, and... Agent: Staas & Halsey LLP

20080317118 - Multi-format stream re-multiplexer for multi-pass, multi-stream, multiplexed transport stream processing: A device for transport stream processing is provided. The device includes a plurality of data inputs and a transport stream re-multiplexer for receiving a plurality of data streams from the plurality of data stream inputs and multiplexing the data streams into a transport stream. A transport stream processor receives the... Agent: Jackson Walker (conexant)

20080317115 - Video encoding method and apparatus, video decoding method and apparatus, programs therefor, and storage media for storing the programs: A video encoding method for assigning a plurality of images to a plurality of GOPs and encoding images belonging to the GOPs as a video image. The method includes determining whether each image belonging to each GOP is to be encoded; encoding GOP encoding/non-encoding data for indicating whether encoded data... Agent: Harness, Dickey & Pierce, P.L.C

20080317120 - Method and system for mpeg2 progressive/interlace type detection: Methods and systems for MPEG2 progressive/interlace type detection are disclosed. Aspects of one method may include determining whether video data may comprise interlaced or progressive video data type, and use appropriate DCT coefficients scanning method for that video data type. Video data type may be determined by determining a number... Agent: Mcandrews Held & Malloy, Ltd

20080317121 - Rate control methods and devices: Rate control methods and devices for use in a video encoding device supporting at least one core are provided. First, a sequence of frames is received. A plurality of threads are created according to the number of the at least one core. The threads are employed to encode at least... Agent: Birch Stewart Kolasch & Birch

20080317122 - Video mp3 system with apparatus and method for generating and restoring reduced video data: A video MP3 system including an audio/video (AV) decoder which further comprises a video decoder for restoring a moving picture signal in a MP3 player for restoring an audio signal, an apparatus and method for generating reduced video data which are appropriate for use in the video MP3 system, and... Agent: Mills & Onello LLP

20080317124 - Multi-view video coding system, decoding system, bitstream extraction system for decoding base view and supporting view random access: A multi-view video coding (MVC) system, a decoding system, and a bitstream extraction system are provided for decoding a base view and supporting a view random access. The MVC system includes: a coding unit that codes the video signal to a base view and a multi-view; and a base view... Agent: Ladas & Parry LLP

20080317123 - System and method for still object detection based on normalized cross correlation: A system and method for still object detection in digital video data based on normalized cross correlation are disclosed. One embodiment of the method includes providing video data including a sequence of frames. A pair of consecutive frames are selected from the sequence of frames. A pair of groups of... Agent: Knobbe, Martens, Olson, & Bear, LLP

20080317125 - Bit stream recording medium, video encoder, and video decoder: By recoding a forward predicted picture and a backward predicted picture for a frame in a bit stream, the bit stream can be played back reversely frame by frame easily. By the use of this method for multi-viewpoint video coding, a device that can play back pictures while varying the... Agent: Mcdermott Will & Emery LLP

20080317126 - Methods and apparatus for parallel implementations of 4:4:4 coding: There are provided methods and apparatus for parallel implementations of 4:4:4 coding. A video encoder for encoding video signal data for an image block includes an encoder (100) for encoding all color components of the image block by selecting a common block partition and a common spatial prediction mode. The... Agent: Joseph J. Laks Thomson Licensing LLC

20080317131 - Estimation/compensation device for mb/based illumination change and method thereof: An adaptive motion estimation/compensation device and a method thereof for MB-based illumination change are disclosed. If a macro block mode is determined as a newly designed P_L0_16×16_Mean by calculating the sum of an absolute difference, the motion estimation device CABAC-codes the absolute difference between the pixel mean of a current... Agent: Birch Stewart Kolasch & Birch

20080317130 - Image converting apparatus: In an image converting apparatus, when a count value of a time period counter is equal to “1”, a motion vector rate converting unit reads out a first coefficient “KAn” from a motion vector conversion table. While the read first coefficient “KAn” is employed, the motion vector rate converting unit... Agent: Townsend And Townsend And Crew, LLP

20080317128 - System and method for boundary motion vector correction in motion compensated frame rate: A system and method for more efficiently determining motion vectors of uncovering areas adjacent the edge of frames when the frame image is moving in the direction of the frame boundary. Backwards motion estimation is used to determine a block of video data which is, in one implementation, the block... Agent: Knobbe, Martens, Olson, & Bear, LLP

20080317127 - System and method for correcting motion vectors in block matching motion estimation: A system and method for processing video data is disclosed. In one embodiment, the method includes receiving a first video frame and a second video frame, where the video frames comprise a plurality of blocks of pixels. The method further includes obtaining motion vector information identifying positions of a plurality... Agent: Knobbe, Martens, Olson, & Bear, LLP

20080317132 - System and method for fast variable-size motion estimation: Methods and systems for fast variable block-size motion estimation based on merging and splitting procedures for AVC video encoding are disclosed. The methods take advantage of the correlation of the Motion Vectors (MVs) of the different block-size modes to achieve a good computation reduction. Considering that the smaller the block-size... Agent: Alston & Bird LLP

20080317129 - System and method for periodic pattern detection for motion compensated interpolation: A method for detecting a pattern in an image includes defining a set of pixel values in an image using a window and calculating a Fourier transform of the pixel values. In one embodiment, the Fourier transform of the pixel values forms a spectrum. The method further comprises analyzing the... Agent: Knobbe, Martens, Olson, & Bear, LLP

20080317133 - Mpeg video decoding method and mpeg video decoder: An MPEG video decoding method and an MPEG video decoder are provided. The method includes determining whether to perform motion compensation on motion-vector-decoded data or not depending on a value of a decoded motion vector, determining whether to perform inverse discrete cosine transformation (IDCT) on motion-compensated data or not depending... Agent: Sughrue Mion, PLLC

20080317134 - Video coding: A low-complexity method for prevention of H.264 start code emulation by bit-handling routines with additional functionality. The low-complexity is achieved by employing a start code pre-determination scheme, which saves bitstream handling complexity by about 50% and 30% on the encoder and decoder sides, respectively. The start code emulation prevention has... Agent: Texas Instruments Incorporated

20080317135 - Method for compressing an audio, image or video digital file by desynchronization: The invention concerns a method for reducing the size of raw or previously compressed data of a digital file from an audio and/or video source. It comprises an operational sequence including a step of desynchronizing original reading criteria of the file, said step involving the compression and the compacting of... Agent: Browdy And Neimark, P.l.l.c. 624 Ninth Street, Nw

20080317136 - Transcoder, image storage device, and method of storing/reading image data: A transcoder capable of efficiently utilizing a large-capacity storage medium, of efficiently coping with diverse and complex standards, and of reducing power consumption has been described. To the transcoder, first format image data encoded in a first format is input and the transcoder outputs the first format image data and... Agent: Arent Fox LLP

20080317137 - Method and apparatus for spatial error concealment of image: A method and apparatus for error concealment in image data including a block having an error, the method including: dividing a region that surrounds the block into a plurality of neighboring regions; separately calculating edge angles of the neighboring regions; and selectively performing directional interpolation based on the calculated edge... Agent: Stein, Mcewen & Bui, LLP

20080317139 - Moving picture coding apparatus: A moving picture coding apparatus is provided, which controls coding of a following stream, according to virtual buffer occupancy determined by a generated amount of coded data and an amount of coded data which is transferred to an output destination, when generating the following stream so that a preceding stream... Agent: Wenderoth, Lind & Ponack L.L.P.

20080317138 - Uniform video decoding and display: Described herein are embodiments for decoding and displaying video data. Several of these embodiments utilize a unified frame buffer management system, to facilitate better memory management in decoding and displaying compressed video. One approach describes a method of decoding and displaying compressed video data. The method involves receiving a compressed... Agent: Nvidia C/o Murabito, Hao & Barnes LLP

20080317140 - Method of converting a user bitstream into coded bitstream, method for detecting a synchronization pattern in a signal, a record carier, a signal, a recording device and a playback device: This ID proposes synchronization patterns for RLL codes with a (repeated) minimum transition run (RMTR) constraint, where the synchronization pattern comprises a synchronization pattern-body that contains a characteristic bit-pattern that represents a violation of the RMTR constraint. Using a violation of the RMTR constraint allows for short synchronization patterns.... Agent: Philips Intellectual Property & Standards

20080317146 - Apparatus and method for channel-interleaving and channel-deinterleaving data in a wireless communication system: An interleaving and deinterleaving apparatus and method in a wireless communication system are provided, in which it is determined whether coded bits to be transmitted in one modulation symbol are selected from a plurality of code blocks. The coded bits are interleaved on a modulation symbol basis if the coded... Agent: The Farrell Law Firm, P.C.

20080317143 - Apparatus and method for correcting iterative residual frequency and phase in turbo coded ofdm system: Provided is an iterative residual frequency and phase compensation apparatus for an OFDM system and a method thereof. The apparatus includes: a first classifying unit for classifying symbol sequences by each subcarrier wave; a soft-decision calculating unit for calculating a soft-decision value of a data symbol using a soft-decision reliability... Agent: Ladas & Parry LLP

20080317151 - Apparatus and method for forming subchannel in a communication system: A method for forming a subchannel in a communication system where a first communication system and a second communication system coexist. The method includes determining a first tile set by arranging first tiles remaining after forming at least one first subchannel for the first communication system among frequency resources, including... Agent: Docket Clerk

20080317150 - Filter structure for iterative signal processing: The present invention relates to improved multiple access communications. In one form, the invention relates to an improved signal processing method and apparatus for an iterative method of determining the reception of a signal in a multi user packet based wireless OFDM (Orthogonal Frequency Division Multiplexing) communication system. In other... Agent: Dennis G. Lapointe Lapointe Law Group, Pl

20080317141 - Method for calculating functions of the channel matrices in linear mimo-ofdm data transmission: The present application describes a method for transmitting data through a MIMO-OFDM system which requires the computation of a function f(H(sk)), where H is the channel matrix and sk=exp(j*2*pi*k/N). The method splits function f into a first, nonpolynomial part, which is in turn a function of one or more polynomial... Agent: Richard F. Jaworski C/o Cooper & Dunham

20080317144 - Method for improving paging speed of a called user in cdma trunking system: The present invention discloses a method for improving paging speed of a called user in CDMA trunking system. For a first trunking terminal supporting minus time slot call manner, said method includes: it makes minus time slot paging cycles of the first trunking terminal and a trunking core network keep... Agent: Connolly Bove Lodge & Hutz, LLP

20080317147 - Method for transmitting scattered pilot signals in multi-carrier system: A method for transmitting scattered pilot signals in a multi-carrier system is disclosed. The method includes: in each time slot, in time dimension, putting each 4 OFDM symbols into a group according to the order of the OFDM symbols; in each group of OFDM symbols, in frequency dimension, selecting, for... Agent: Pearl Cohen Zedek Latzer, LLP

20080317145 - Multiple input multiple output communication system and a method of adaptively generating codebook: A Multiple-Input Multiple-Output (MIMO) communication system and a method of adaptively generating a codebook are provided. A terminal includes a channel estimator to estimate a channel formed between a base station and the terminal to calculate a channel matrix and a codebook generator to adaptively generate a codebook based on... Agent: Mcneely Bodendorf LLP

20080317142 - System and method for frequency diversity: A system and method for frequency diversity uses interleaving in a wireless communication system utilizing orthogonal frequency division multiplexing (OFDM) with various FFT sizes. Subcarriers of one or more interlaces are interleaved in a bit reversal fashion and the one or more interlaces are interleaved in the bit reversal fashion.... Agent: Qualcomm Incorporated

20080317149 - Wireless communication device and method for reducing carrier frequency offsets over a simultaneous multi-user uplink in a multicarrier communication network: Each of a plurality of multicarrier wireless communication devices generate a carrier frequency offset (CFO) estimate from a downlink polling frame (302) and apply the CFO estimate to signals prior to transmission to a receiving station over a multi-user uplink.... Agent: Schwegman, Lundberg & Woessner, P.A.

20080317148 - Wireless communications apparatus and wireless communication method: The invention performs orthogonal frequency division multiplex processing on a transmission signal to form an OFDM modulation signal (daubed in FIG.) and performs orthogonal frequency division multiplex processing and code division multiple access processing on a transmission signal to form an OFDM-CDM modulation signal (shaded in FIG.) to transmit the... Agent: Greenblum & Bernstein, P.L.C

20080317152 - Method and apparatus for multi-carrier hsdpa traffic transmission channel coding: Three channel coding schemes for multi-carrier HSDPA packet data transmission are disclosed. The first scheme includes: dividing data into N groups (S210); performing CRC attachment, code block segmentation, channel coding and rate matching on each group of data respectively (S220); scrambling and interleaving the N groups of data unitedly, and... Agent: Fulbright & Jaworski L.l.p

20080317153 - Adaptive technique for inter-carrier-interference canceling in ofdm systems: ICI canceling in an OFDM system includes taking a FFT of a wireless electrical signal to produce an OFDM signal; estimating a DC component of a frequency-selective channel in the OFDM system; obtaining an initial estimate of data symbols associated with data bits of the OFDM signal; correcting the data... Agent: Gibb & Rahman, LLC

20080317156 - Method and apapratus for reducing updating rate of channel status in a communication system: A method and apparatus for reducing a channel updating rate in a communication system are provided, in which a channel matrix H representing a channel status of physical channels is acquired, eigenvectors of the channel matrix H are output by a Singular Value Decomposition (SVD) of the channel matrix H,... Agent: The Farrell Law Firm, P.C.

20080317157 - Method for encoding space-time codes in a wireless communication system having multiple antennas: A method of transmitting space-time coded data in a wireless communication system having a plurality of antennas is disclosed. More specifically, the method includes allocating data symbols combined with complex weights to at least two transmit antennas during at least one specified time slot, and transmitting the data symbols combined... Agent: Lee, Hong, Degerman, Kang & Waimey

20080317155 - Power control and link adaptation scheme based on multi-user detection: This invention provides a method for dynamically adjusting the transmitter power (PTX) and data rate in a communications system. The scheme is specifically intended for wireless systems based on Code Division Multiple Access (CDMA) or on Multiple Input Multiple Output (MIMO) technology, but can be applied to all systems in... Agent: Philips Intellectual Property & Standards

20080317154 - Semiconductor integrated circuit device and radio frequency module: The present invention provides a semiconductor integrated circuit device and a radio frequency module realizing reduction in high-order harmonic distortion or IMD. For example, a so-called antenna switch having a plurality of transistors between an antenna terminal and a plurality of signal terminals is provided with a voltage supply circuit.... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20080317158 - Time-domain transmit and receive processing with channel eigen-mode decomposition for mimo systems: Techniques for processing a data transmission at the transmitter and receiver. In an aspect, a time-domain implementation is provided which uses frequency-domain singular value decomposition and “water-pouring” results to derive time-domain pulse-shaping and beam-steering solutions at the transmitter and receiver. The singular value decomposition is performed at the transmitter to... Agent: Qualcomm Incorporated

20080317164 - Circuit board, information processing apparatus, and transmission method: One aspect of the invention is directed to the provision of a circuit board mounted with a plurality of circuit components connected via a transmission line. The circuit components mounted on the circuit board includes at least a signal processor for processing a signal, a driver for transmitting the signal,... Agent: Staas & Halsey LLP

20080317160 - Code-modulated path-sharing multi-signal systems: Described herein are code-modulated multi-signal systems. In one embodiment, a multi-signal system receives multiple input signals and code-modulates each input signal with a unique code to distinguish the input signal from the other input signals. The input signals may come from multiple antennas, multiple sensors, multiple channels, etc. The code-modulated... Agent: Orrick, Herrington & Sutcliffe LLP

20080317163 - Composite crest factor reduction: Systems and methods are provided for providing a hybrid signal having a reduced crest factor. A digital signal is generated that assumes one of a plurality of vector states at discrete sampling times, with each of the plurality of vector states having an associated phase. An analog signal is monitored... Agent: Tarolli, Sundheim, Covell & Tummino L.L.P.

20080317159 - Radio communication system, a radio station, and method of transmitting data: A radio communication system has a plurality of transmission formats available for transmitting data signals, and a pilot signal is transmitted during the transmission of data to enable channel estimation. The transmit power of the pilot signal is varied depending on the current transmission format of the data, and is... Agent: Philips Intellectual Property & Standards

20080317162 - System and method for transmitting/receiving data in communication system: A system and method for transmitting/receiving data in a communication system is provided. A transmitter is allocated resources using a circuit mode scheme, determines if there is actual data to be transmitted to a receiver, and transmits information representing that there is no actual data to be transmitted using the... Agent: JeffersonIPLaw, LLP

20080317161 - Transmit power control module and associated method for transmit power configuration: A module (101) for controlling the transmit power of a signal transmitter. The output power is determined from a first contribution based on a first set of parameters configured by an operator and a second contribution based on a second set of parameters. The module (101) is able to configure... Agent: Sughrue Mion, PLLC

20080317167 - Generation of a transmission signal: The present disclosure relates to different techniques of generation of a transmission signal, as for example, a transmitting apparatus for transmitting a communication signal and a method for transmitting a communication signal.... Agent: Infineon Technologies Ag Patent Department

20080317166 - Methods for propagating a non sinusoidal signal without distortion in dispersive lossy media: Systems and methods are described for transmitting a waveform having a controllable attenuation and propagation velocity. An exemplary method comprises: generating an exponential waveform, the exponential waveform (a) being characterized by the equation Vin=De−ASD[x−vSDt], where D is a magnitude, Vin is a voltage, t is time, ASD is an attenuation... Agent: Fulbright & Jaworski L.L.P.

20080317165 - Systems and methods of calibrating a transmitter: In one embodiment the present invention includes a method of calibrating the frequency response of a transmitter comprising generating a plurality of calibration tones across a frequency range, coupling the plurality of calibration tones to an input of said transmitter, detecting the plurality of calibration tones at an output in... Agent: Fountainhead Law Group P.C.

20080317168 - Integer spreading rotation matrices for qam constellations and its application to decode-remodulate-forward cooperative communication strategy: Diversity techniques are commonly used in wireless communications to combat multi-path fading. Recent interests in ultra-wideband technology focus on multi-band OFDM systems that can explore the high diversity due to the independent frequency bands. To achieve full diversity with high data rate, a system (800), apparatus (500) and method that... Agent: Philips Intellectual Property & Standards

20080317169 - Polar modulator arrangement and polar modulation method: A polar modulator arrangement has a first and a second node to receive a digital signal with a first and a second component corresponding to a digital amplitude component and a digital phase component. A digital interpolation filter generates an interpolated first component by interpolating and filtering the first component.... Agent: Eschweiler & Associates LLC

20080317170 - Embedding a secondary information signal in a channel data stream: p

20080317171 - Impulse calibration of an iq demodulator and low frequency dc-coupled cross-over network: A method for calibrating an I Q demodulator includes measuring I, Q, and low frequency data, correcting each set of measured data, combining the corrected I and Q data, interpolating the corrected low frequency data, and combining the corrected low frequency data and the combined corrected I and Q data.... Agent: Agilent Technologies Inc.

20080317172 - Method and apparatus for signal detection and matrix decomposition: A method for computing a factor matrix of an inversion of a matrix, wherein the method comprises the steps of: computing a factor matrix of an inversion of a sub-matrix of a matrix, and recursively obtaining the factor matrix of the inversion of the matrix by using the matrix and... Agent: Leydig, Voit & Mayer, Ltd (for Huawei Technologies Co., Ltd)

20080317173 - Method and system for rate>1 sfbc/stbc using hybrid maximum likelihood (ml)/minimum mean squared error (mmse) estimation: Aspects of a method and system for rate>1 SFBC and/or STBC using hybrid maximum likelihood (ML)/minimum mean squared error (MMSE) estimation are presented. Aspects of an exemplary system may enable rate 5/4 coding in diversity communication systems that utilize SFBC and/or STBC. A transmitting station may utilize SFBC or STBC... Agent: Mcandrews Held & Malloy, Ltd

20080317174 - Receiver and receiving method: When a correlation judging circuit judges that the correlation degree between r pulses in a reception signal and a generated substantially the same template as the r pulses is small, a pulse number adjusting circuit outputs a pulse number signal representing s pulses in place of the r pulses, and... Agent: Harness, Dickey & Pierce, P.L.C

20080317176 - Automatic gain control apparatus and method in wireless telecommunication system: The present invention relates to an automatic gain control apparatus and method in a wireless telecommunication system which measures the strength of received signals using preamble symbols and automatically control the gain of an amplifier based on the measurement results. The automatic gain control apparatus and method according to present... Agent: Townsend And Townsend And Crew, LLP

20080317175 - Automatic gain control circuit, receiving apparatus and automatic gain control method: An automatic gain control circuit includes: an amplification degree control section for calculating power of a digital value of a received signal, and for controlling an amplification degree of an amplifier of a receiving apparatus so that a difference between the power and predetermined reference power is zero; a received... Agent: Birch Stewart Kolasch & Birch

20080317177 - Wiener filtering arrangement: A Wiener filtering arrangement includes a first filter configured to output at an output first signal estimates and a polyphase filter having an input configured to receive the first signal estimates and an output. The polyphase filter is configured to use only a subset of a plurality of reference signals... Agent: Squire, Sanders & Dempsey L.L.P.

20080317178 - Method and system for sfbc/stbc using interference cancellation: W

20080317179 - Method and apparatus for pipelined joint equalization and decoding for gigabit communications: A method and apparatus for the implementation of reduced state sequence estimation is disclosed, with an increased throughput using precomputation (look-ahead), with only a linear increase in hardware complexity with respect to the look-ahead depth. The present invention limits the increase in hardware complexity by taking advantage of past decisions... Agent: Ryan, Mason & Lewis, LLP

20080317180 - Receiving apparatus capable of removing interference signal and method thereof: An apparatus and method capable of interference signal removal is provided. The receiving apparatus includes a signal reception unit, a sampler which samples signal with carrier wave frequency, a signal filter, and a signal combiner.... Agent: Sughrue Mion, PLLC

20080317182 - Method and apparatus for multiresolution / multipath searcher: A multipath searcher and method includes a programmable decimation filter configured to adjust a sample rate of a received pilot signal. A plurality of correlators is configured to compare the received pilot signal to a reference code in a first mode and in a second mode. The first mode includes... Agent: Joseph J. Laks Thomson Licensing LLC

20080317181 - Single-line bidirectional communication apparatus and system: A communication apparatus (400) capable of supporting two bidirectional communication protocols is connected to a single bidirectional signal line and a controller (414). Software processes of the controller (414) include only processes of requesting transmission, setting transmission data, and decoding reception data. All communication processes, such as generation of a... Agent: Mcdermott Will & Emery LLP

20080317183 - Method for determining clock trace path and method for clock trace in the network: A method for clock tracing in a network and a method for clocking tracing, the method for clock tracing in a network includes: distributed network element or a centralized server in the network determining a shortest path to each of clock-source network elements according to stored network topology information and... Agent: Wolf Greenfield & Sacks, P.C.

20080317184 - Method for transmitting synchronization signal in mobile multimedia system: The present invention discloses a method for transmitting a synchronization signal in a mobile multimedia system. In the method, a transmitter of the system transmits a synchronization signal sequence at a regular interval. The methods includes: generating a first synchronization signal sequence; generating a second synchronization signal sequence by performing... Agent: Pearl Cohen Zedek Latzer, LLP

20080317189 - Binary ripple counter sampling with adjustable delays: The output bits of a binary ripple counter are used to control the sampling of those output bits, thereby ensuring accurate sampling. A sampler is provided with adjustable delay elements that permit accurate sampling regardless of: delay mismatch between the sampler and a data path of the counter; the length... Agent: Texas Instruments Incorporated

20080317186 - Controlling phase locked loop: A method and apparatus for controlling phase locked loop are provided. The apparatus comprises a voltage controlled oscillator configured to generate an output signal with a frequency proportional to a control voltage fed into the oscillator; an analog loop filter connected to the oscillator and configured to form the control... Agent: Squire, Sanders & Dempsey L.L.P.

20080317188 - Digital phase locked loop with integer channel mitigation: An embodiment of the present invention provides a phase locked loop that operates on clock signals derived from an RF clock signal generated by the phase locked loop. A frequency reference input provides a reference clock. A controllable oscillator generates the RF clock signal with a plurality of phases. A... Agent: Texas Instruments Incorporated

20080317185 - Dual phase locked loop (pll) architecture for multi-mode operation in communication systems: The clock generating portion of a communication system includes a low-power, high-jitter phase locked loop (PLL) and a high-power, low-jitter PLL. Control logic within the chip allows for selective switching between the low-power and high-power PLL for receiving the broadcast signals, such as mobile TV signals. The switching may occur... Agent: Fiala & Weaver, P.l.l.c. C/o Intellevate

20080317187 - Interpolative all-digital phase locked loop: An embodiment of the present invention provides a phase locked loop that operates on clock signals derived from an RF clock signal generated by the phase locked loop. A frequency reference input provides a reference clock. A controllable oscillator generates the RF clock signal. A phase detection circuit operates on... Agent: Texas Instruments Incorporated

20080317190 - System for decoding bit stream printed on surface: A system for decoding coded data printed in ink on a surface. The coded data includes an encoded bit stream and associated redundancy data, and a registration structure of clock tracks indicative of a position of the coded data in the direction perpendicular to an alignment direction and two alignment... Agent: Silverbrook Research Pty Ltd

20080310479 - Signal transmission method with frequency and time spreading: A transmission system using frequency and time spreading techniques is disclosed. The transmission system allows priority of transmission parameters and adjustment of same in relation to transmission quality and channel characteristics measured in real time.... Agent: Neil Steinberg

20080310480 - Reception of wideband signals with high temperature superconducting components to reduce co-site interference: A comb limiter combiner for front end filtering reduces bit error rates with an increased reception range. Notch filters are tuned to suppress interfering frequency-hopped signals. An output comb filter suppresses out-of-band intermodulation products generated by any non-linear devices (such as limiters and the notch filters) in each of the... Agent: Roberts, Mardula & Wertheim, LLC

20080310481 - System and method for transmitting and detecting spread spectrum signals: This document discusses, among other things, a system and method of detecting wideband signals of bandwidth X within a communications system having a coherency time constant of T. A synchronization signal is generated as a function of a chirp signal that sweeps a portion of bandwidth X. The synchronization signal... Agent: Schwegman, Lundberg & Woessner, P.A.

20080310482 - Alternative direct sequence spread spectrum symbol to chip mappings and methods for generating the same: Alternative direct sequence spread spectrum symbol to chip mappings and methods for generating the same for use in a direct sequence spread spectrum wireless protocol and embedded in a transceiver chip used by wireless subsystems are provided. The present invention discloses alternative symbol to chip mappings that are orthogonal or... Agent: Edwards Angell Palmer & Dodge LLP

20080310484 - Software adaptable high performance multicarrier transmission protocol: Techniques for reducing peak-to-average power in multicarrier transmitters employ peak cancellation with subcarriers that are impaired by existing channel conditions. The use of Carrier Interferometry (CI) coding further improves the effectiveness of peak reduction. CI coding can also be impressed onto pulse sequences in the time domain, which enhances spectral... Agent: Connolly Bove Lodge & Hutz LLP

20080310483 - Transmitting spread signal in mobile communication system: The present invention provides for spreading a first signal using a plurality of spreading codes, multiplexing the first spread signal by code division multiplexing, transmitting the first multiplexed signal via a plurality of neighboring frequency resources of an OFDM symbol of a first antenna set, spreading a second signal using... Agent: Lee, Hong, Degerman, Kang & Waimey

20080310485 - System and methods for controlling modem hardware: Systems and methods are provided for minimizing power consumption in a wireless mobile device. In one embodiment, a computer implemented method is provided that facilitates utilization of resources of a mobile device. This includes identifying available resources of a device and dynamically disabling or enabling subsets of the resources as... Agent: Qualcomm Incorporated

20080310486 - Pragmatic adaptive mrc and mmse mimo-ofdm receiver algorithm: An adaptive receiver algorithm is disclosed, for use in MIMO-OFDM systems. The adaptive receiver algorithm selectively chooses either the MRC technique or the MMSE technique, for optimum receiver performance, depending on the characteristics of the wireless environment.... Agent: Carrie A. Boone, P.C.

20080310488 - Adaptive transmission rate and fragmentation threshold mechanism for local area networks: An apparatus for adjusting the transmission bit rate and fragmentation threshold of a wireless station in response to transmission errors is disclosed. In particular, the illustrative embodiment of the present invention is based on a wireless station that employs both an IEEE 802.11 radio and a Bluetooth radio, and determines... Agent: Conexant Systems , Inc.

20080310487 - Single-chip wireless tranceiver: Embodiments of a wireless transceiver are provided. Embodiments can be used in multiple-input-multiple-output (MIMO) wireless transceivers. In an embodiment, radio control signal bundles are provided as direct parallel interconnects between digital signal processing modules and the radio module of the wireless transceiver to enable a precise low-latency control of radio... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20080310489 - Communication system, receiver unit, and adaptive equalizer: A communication system in which a signal is transferred includes a transmitter that transmits a signal, a receiver that receives a signal transmitted thereto, and an adaptive equalizer that generates a compensated signal by compensating degradation of the signal to be received by the receiver. The adaptive equalizer includes a... Agent: Jianq Chyun Intellectual Property Office

20080310490 - Signal generator and user interface for adding amplitude noise to selected portions of a test signal: A signal generator generates amplitude noise on a selected segment of a test signal. A user interface is used for selecting a segment of the test signal and an associated power level for applying amplitude noise at a selected power level to the test signal segment. A signal processing unit... Agent: William K. Bucher Tektronix, Inc.

20080310491 - Multi-mode transmitter: A multi-mode transmitter within an integrated circuit device. The multi-mode transmitter transmits a first data sequence in a baseband signal when a first transmission mode is enabled, and transmits the first data sequence in a multi-band signal when a second transmission mode is enabled.... Agent: Rambus/shemwell Mahamedi LLP

20080310493 - Fast training equalization of a signal by using adaptive-iterative algorithm with main path phase correction: A signal receiver inputs a signal, computes a set of equalizer tap values during a signal acquisition phase by applying an algorithm iteratively to a given set of training data contained within the signal, and uses the set of equalizer tap values to perform signal equalization during the signal acquisition... Agent: Zoran Corporation C/o Darby & Darby PC

20080310494 - Leakage scheme for receiver: A receiver for processing a transmission signal distorted by a transmission channel is described. The receiver has an adaptive signal processor (101) for processing the transmission signal based on at least one processing parameter for generating a processed signal, and a difference detector (13) for detecting a difference between the... Agent: Philips Intellectual Property & Standards

20080310492 - Parameter adjustment device and parameter adjustment method: Transmission equipment that can be used up to a high frequency and simplifies a circuit design includes a THP preceding means on a transmitting side, and an equalizer means, wherein analog processing is carried out on a receiving side. Compensation of the frequency characteristic of a transmission channel is divided... Agent: Kanesaka Berner And Partners LLP

20080310495 - Decision feedback equalizer using soft decisions: A decision feedback equalizer (DFE) and method include at least two paths. Each path includes the following. An adder is configured to sum an input with a first feedback tap fed back from a different path. A latch is coupled to the adder to receive a summation signal as input.... Agent: Keusey, Tutunjian & Bitetto, P.C.

20080310498 - Information recording/reproducing apparatus: There are provided an information recording/reproducing apparatus and a video camera, both compliant with plural standards and excellent in usability, within an advantageously earlier stage by simplifying a circuit configuration and reducing the development steps and time period. A compression/extension module includes a common compression/extension module which performs a process... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080310500 - Method for activation and deactivation of infrequently changing sequence and picture parameter sets: A method for activating and deactivating parameter sets during decoding of a bitstream for display, comprising the steps of: (A) tagging a first picture parameter information set associated with a first identification value as active in response to a reference to the first identification value in a bitstream; (B) changing... Agent: Christopher P Maiorana, PC Lsi Corporation

20080310497 - Method for filtering, transmitting and receiving scalable video streams, and corresponding programs, server, intermediate node and terminal: A method is provided for filtering a scalable video stream, organized in the form of data unit blocks, each of which comprises a base data unit and a set of data units distributed according to two types of enhancement data, corresponding respectively to time and/or space and/or quality characteristics and... Agent: Westman Champlin & Kelly, P.A.

20080310496 - Real-time key frame generation: The real-time generation of key frames in a media data stream is disclosed. One embodiment provides a method of processing encoded media data comprising receiving a request to play back the encoded media data from a media receiver, generating one or more key frames from the encoded media data, and... Agent: Microsoft Corporation

20080310499 - System and method for transmitting/receiving three dimensional video based on digital broadcasting: Provided is a system and method for transmitting and receiving 3D video based on digital broadcasting. The system includes: an encoder for generating 2D ES and 3D supplementary ES by encoding 2D video and 3D supplementary data; a packetizer for generating 2D video PES and 3D supplementary PES by packetizing... Agent: Ladas & Parry LLP

20080310504 - Adaptive coefficient scanning for video coding: This disclosure describes techniques for scanning coefficients of video blocks. In particular, the techniques of this disclosure adapt a scan order used to scan a two-dimensional block of coefficients into a one-dimensional coefficient vector based on statistics associated with one or more previously coded blocks. For example, statistics that indicate... Agent: Qualcomm Incorporated

20080310501 - Apparatus and methods for encoding, decoding and representing high dynamic range images: A data structure defining a high dynamic range image comprises a tone map having a reduced dynamic range and HDR information. The high dynamic range image can be reconstructed from the tone map and the HDR information. The data structure can be backwards compatible with legacy hardware or software viewers.... Agent: Dolby Laboratories Licensing Corporation

20080310502 - Inter mode determination method for video encoder: The present invention relates to a method for a video encoder to determine an inter mode. The video encoder selects initial candidate modes by using inter mode information of a previous frame so as to determine the inter mode, estimates a macroblock having the greatest correlation with a current macroblock... Agent: Staas & Halsey LLP

20080310505 - Transmission of packet data: A method for transmitting encoded video data includes determining an available space for transmitting an encoded video data in a last remaining information block of a video packet. The method further includes if the available space is sufficient, based on a comparison of the an estimated size of the encoded... Agent: Freescale Semiconductor, Inc. Law Department

20080310507 - Adaptive coding of video block prediction mode: This disclosure describes techniques for coding of header information of video blocks. In particular, the techniques of this disclosure select one of a plurality of prediction modes for use in generating a prediction block of a video block of a coding unit, the plurality of prediction modes including unidirectional prediction... Agent: Qualcomm Incorporated

20080310506 - Joint spatio-temporal prediction for video coding: Systems and methods are described for joint spatio-temporal prediction (JSTP) during video coding. A given block of pixels is simultaneously predicted via inter frame prediction and intra frame prediction. The joint spatio-temporal prediction provides a new JSTP coding mode besides inter and intra modes in coding schemata such as the... Agent: Lee & Hayes PLLC

20080310508 - Method of frame interpolation for frame rate up-conversion: A method of frame interpolation for frame rate up conversion method is provided. The method includes: determining a first adjusting value and a second adjusting value according to a target pixel in at least one of a first frame and a second frame; determining an interpolated pixel value of the... Agent: North America Intellectual Property Corporation

20080310514 - Adaptive density search of motion estimation for realtime video compression: A motion estimation (ME) apparatus and method for approximating motion in a macroblock of an image. The ME method includes selecting at least one search center in the macroblock; searching for an adaptive density lattice, wherein the adaptive density lattice search results in a motion vector for the at least... Agent: Texas Instruments Incorporated

20080310513 - High-fidelity motion summarisation method: Disclosed is a method (800) and an apparatus (250) for generating a scaled motion vector for a particular output coding unit, the method comprising determining (802) statistics of motion data from an area-of-interest selecting (804) from a pre-defined set (805-807) of re-sampling filters a re-sampling filter dependent upon said determined... Agent: Fitzpatrick Cella Harper & Scinto

20080310510 - Image coding, recording and reading apparatus: An image coding, recording and reading apparatus generates a local decoded image which is used for motion compensation prediction at the same time when coding an original image to be coded so as to generate an original image coded stream, acquires a difference image which is a difference between the... Agent: Birch Stewart Kolasch & Birch

20080310511 - Moving picture signal coding method, decoding method, coding apparatus, and decoding apparatus: Moving picture motion compensation coding/decoding predicts a motion vector in a coding block from a motion vector of the adjacent position and codes a differential motion vector calculated from the motion vector to be coded and its prediction motion vector. The coding is performed by switching the coding accuracy between... Agent: Stanley P. Fisher Reed Smith LLP

20080310512 - Separable directional transforms: This disclosure describes techniques for transforming residual blocks of video data. In particular, a plurality of different transforms selectively applied to the residual blocks based on the prediction mode of the video blocks. At least a portion of the plurality of transforms are separable directional transform specifically trained for a... Agent: Qualcomm Incorporated

20080310509 - Sub-pixel interpolation and its application in motion compensated encoding of a video signal: Reducing computational complexity when generating sub-pixel values for sub-pixel motion estimation from integer pixels. In an embodiment, half pixels in vertical and horizontal directions are computed by a applying a filter of first complexity on integer pixels, and a half pixel in diagonal direction is computed using a filter of... Agent: Nvidia C/o Murabito, Hao & Barnes LLP

20080310503 - Method and apparatus for entropy-coding/entropy-decoding video data: Provided are a method and apparatus for entropy-encoding/entropy-decoding video data. The method of entropy-encoding video data includes binarizing coefficients of the frequency domain, which are generated by transforming a residual block of a current block into the frequency domain, using different binarization methods and performing binary arithmetic coding on the... Agent: Sughrue Mion, PLLC

20080310516 - Image processing apparatus and method: An image processing apparatus includes: input means for inputting a video signal; decoding means for decoding the video signal; filtering means for performing predetermined filtering on the decoded video signal; and control means for calculating an average bit rate by dividing an amount of bits generated per predetermined data unit... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080310515 - Mpeg-2 2-slice coding for simple implementation of h.264 mbaff transcoder: This invention is a 2-slice MPEG-2 coding method. The MPEG-2 standard defines the slice structure where that the first and the last macroblock of a slice are in the same horizontal row of macroblocks. Two vertically adjacent macroblocks belong to two different slices. Any MPEG-2 slice can be decoded or... Agent: Texas Instruments Incorporated

20080310517 - Mobile terminal: A mobile terminal includes: a decoder configured to decode compressed motion picture data to thereby generate motion picture data; and a display configured to have a screen where a motion picture in accordance with the motion picture data is displayed. The decoder changes quality of the motion picture in accordance... Agent: Scully Scott Murphy & Presser, PC

20080310518 - Method for reducing channel change time of internet protocol television (iptv) and iptv service provision server for implementing the same: The present invention provides a method for reducing channel change time of an IPTV and an IPTV service provision server for implementing the same, which comprise: determining the type of each of individual channels to be provided to a user and the number of additional intraframes required to be inserted... Agent: Kongsik Kim Edwards Angell Palmer & Dodge LLP

20080310519 - System, apparatus, and method for single-carrier block transmission with adaptive guard interval: The system, apparatus and method of the present invention provides a single carrier block transmission with guard interval as a means of communications over multi-path channels that enables frequency domain equalization, and therefore, has many of the advantages of OFDM, but does not have some of the drawbacks such as... Agent: Philips Intellectual Property & Standards

20080310521 - Signal transmission circuit and signal transmission system: A signal transmission circuit includes a transmitting circuit for outputting a transmitting signal to a transmission line, a parallel circuit including a capacitor and a first resistance connected between an output terminal of the transmitting circuit and the transmission line, and a series circuit including an inductor and a second... Agent: Mcginn Intellectual Property Law Group, PLLC

20080310520 - Transmission links: A method includes providing first values depending on crosstalk among a plurality of transmission links. A number of crosstalk channels are selected from a plurality of crosstalk channels interfering with signal transmission on transmissions links. The selecting depends on the first values.... Agent: Slater & Matsil LLP

20080310536 - Adaptive joint channel estimation and data demodulation for ofdm systems: The present invention provides architectures and methods which implement adaptive joint channel estimation and data demodulation in wireless communication systems to provide enhanced performance of the communication link. While not limited to any particular air interface, such architectures and methods are particularly beneficial in OFDM systems. Channel estimates may be... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20080310527 - Correlation interval synchronization apparatus and method: The present invention is directed to a correlation interval synchronization apparatus and method. Correlation is firstly performed on received data, followed by searching peaks in accordance with the output of the correlation. Subsequently, peak intervals are acquired according to the peaks, and the peak interval where the synchronization head position... Agent: Birch Stewart Kolasch & Birch

20080310525 - Fft-size detector and fft-size detection method and cell search apparatus and cell search method in cellular system: An apparatus and method for cell acquisition and downlink synchronization acquisition in an OFDMA wireless communication system are provided. In an SS apparatus in a broadband wireless communication system, a preamble subcarrier acquirer extracts subcarrier values having a preamble code from an FFT signal. A multiplier code-demodulates the subcarrier values... Agent: Birch Stewart Kolasch & Birch

20080310533 - Mega-frame initialization packet generation and synchronous re-generation with bit rate adaptation for single frequency networks with multiple modulation schemes: A system and processes create a Mega-frame Initialization Packet such that remote MIP inserters can regenerate Transport Stream bit rate and MIPs for Single Frequency Networks with modulation schemes different from an incoming stream in a totally deterministic way. This process guarantees that all MIP re-generators having the same signal... Agent: Mcneely Bodendorf LLP

20080310523 - Method and apparatus for controlling multi-antenna transmission in a wireless communication network: Multi-antenna transmission control presented herein involves generating a set of virtual channel realizations at the transmitter that shares the same second-order statistics as the actual channel realizations observed for a targeted receiver. By making the control-related quantities of interest at the transmitter depend on the long-term statistics of the channel,... Agent: Coats & Bennett, PLLC

20080310535 - Method and apparatus for symbol transmission in an ofdm mobile communication system: A mapping method and an apparatus, which uniformly distribute bits included in transmission symbols to various resource blocks in mapping the transmission symbols to the resource blocks for transmission in an OFDMA mobile communication system. A sub-packet generator generates a sub-packet by selecting symbols from coded symbols including a first... Agent: The Farrell Law Firm, P.C.

20080310528 - Method and system for resource allocation for ofdm wireless networks: According to an embodiment, the present invention provides a method for providing resource allocation in a wireless communication network. The method includes providing an access provider that is configured to perform orthogonal frequency division multiplexing (OFDM). The access provider is configured to allocate transmission resources. The method also includes providing... Agent: Townsend And Townsend And Crew, LLP

20080310532 - Method for signal reception: In an OFDM mobile communications system, an algorithm for forming a preliminary estimate of the channel on pilot subcarriers is carried out. Based on this preliminary estimate, a channel property is estimated. This channel property is then used to decide whether to enter a mobile receiver mode or a stationary... Agent: Philips Intellectual Property & Standards

20080310526 - Method, device, and apparatus for multi-stream multi-band transmission: A transmitter may include a set of stream groups, each including two or more streams producing a set of orthogonal frequency division multiplexed (OFDM) stream-symbols and a coding unit interleaving the stream-symbols into an interleaved signal. An input bit multiplexer may route an input data signal to be divided among... Agent: Pearl Cohen Zedek Latzer, LLP

20080310524 - Methods and systems for varying bus frequencies: The present invention provides a method for receiving an instruction for varying the bus frequency from a current bus frequency to a new frequency. The method may include storing a group of parameters corresponding to a second frequency, disabling a link connected to the host bus at a first frequency... Agent: Panitch Schwarze Belisario & Nadel LLP

20080310537 - Portable terminal, communication system, and communication method: A portable terminal communicates with a plurality of base stations by use of an OFDM signal. The portable terminal includes a communication unit sending and receiving the OFDM signal to and from the base stations, a switching timing detector, and an OFDM signal controller. The switching timing detector detects switching... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080310529 - Radio transmitting apparatus and radio receiving apparatus: A radio transmitting apparatus includes a calibration reference signal generator for generating a calibration reference signal for each of the subcarriers to be calibrated, a subcarrier modulator for modulating the calibration reference signal with the subcarrier, a radio transmitter for frequency-converting a baseband signal, which is the modulated signal, into... Agent: Young & Thompson

20080310531 - Robust channel estimation in communication systems: An apparatus for archiving robust channel estimation in a communication system includes a training sequence generator to generate a training sequence. A formatter inserts the training sequence to a frame. A transmitting module is employed to transmit the frame. The training sequence generator further includes a symbol generator to generate... Agent: Agilent Technologies Inc.

20080310522 - Sliding map detector for partial response channels: An estimator of the noiseless output of a noisy partial response channel is described. The estimator operates recursively. In each iteration, the estimator processes a window of the N most recently received noisy channel outputs to compare subsequence metrics for all possible channel output subsequences of length N, and selects... Agent: Law Office Of Mark J. Spolyar

20080310538 - Versatile system for dual carrier transformation in orthogonal frequency division multiplexing: The present invention provides a versatile system for selectively spreading carrier data across multiple carrier paths within an Orthogonal Frequency Division Multiplexing (OFDM) system (200), particularly an ultra-wideband (UWB) system. The present invention provides a data input (202), which passes data to a randomizer (204). The data then passes to... Agent: Texas Instruments Incorporated

20080310530 - Wireless communication apparatus and wireless communication method: A wireless communication apparatus and a wireless communication method wherein even when the permissible delay amount of data is small, the permissible delay thereof can be satisfied. A data type determining part (101) determines whether the delay of transport data or control information should be allowed or not. A pilot... Agent: Dickinson Wright PLLC

20080310534 - Wireless communication method and wireless communication apparatus: A wireless communication apparatus generates transmission signal including first and second pilot signal sequences allocated to first and second frequencies symmetrically located in relation to a center frequency, and third and fourth pilot signal sequences allocated to third and fourth frequencies symmetrically located in relation to the center frequency, quadrature-modulates... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080310541 - Method and system for sfbc/stbc in a diversity transmission system using alamouti codes: Aspects of a system for SFBC and/or STBC in a diversity transmission system using a plurality of Alamouti codes may include a transmitting station that enables reception of signals via a wireless communication medium. The transmitting station may enable determination of a plurality of channel estimate values that are based... Agent: Mcandrews Held & Malloy, Ltd

20080310542 - Self-adpting transmission scheme of the channel environment in the multiantenna wireless transmission system: An adaptive transmission scheme of the channel environment in the multi-antenna wireless transmission system can raise the spectrum use rate and power efficiency of the communication system in fast. Comparing with the traditional single antenna input and single antenna output, the channel environment in MIMO wireless communication system is more... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080310540 - Signaling of implicit ack/nack resources: A method includes, in response to receiving implicit signaling of the radio resource, and in response to a plurality of wireless communication system cell-specific static and semi-static input parameters, determining a plurality of output parameters and allocating radio resources using the determined output parameters. Also disclosed are computer readable storage... Agent: Harrington & Smith, PC

20080310539 - Systems and methods for generating an orthogonal signal from sequences that are not multiples of 2ⁿ: A method for generating orthogonal signals is described. A sequence is chosen. A determination is made if the chosen sequence is orthogonal. The sequence is converted from a time domain to a frequency domain if the sequence is not orthogonal. A determination is made if the length of the sequence... Agent: Madson & Austin

20080310544 - Digital communications system: In a base station, after CRC is added to transmission data as a detection code, the transmission data is subjected to error-correcting coding using a convolutional code based on tail biting, divided into four frames of P-BCH and transmitted. For this reason, at a mobile station, even if reception (synthesis)... Agent: Frishauf, Holtz, Goodman & Chick, PC

20080310545 - Mixed waveform configuration for wireless communications: A mixed waveform configuration for wireless communications including a first portion that is modulated according to a single-carrier modulation scheme and a second portion that is modulated according to a multi-carrier modulation scheme. The waveform is specified so that a channel impulse response (CIR) estimate obtainable from the first portion... Agent: Conexant Systems , Inc.

20080310543 - Modulator with instantaneous modulation scheme switching in multi-time slot and multi-mode operation, for a wireless communication equipment: A modulator (M) which may be installed in a wireless communication equipment, comprises i) a modulation means (SPC, M0, GM, CM0, CMI, MX1, US1) for generating digital I/Q signals associated to time slots of a group of time slots, filled with data bits of a burst and separated one from... Agent: Nxp, B.v. Nxp Intellectual Property Department

20080310546 - Method for adapting digital data transmission parameters to measured repetitive noise: Following a transmission comprising a plurality of symbols, an error measurement is generated for each symbol, so that one may distinguish between symbols having a relatively low error and symbols having a relatively high error. A bit rate to be used for subsequent transmission is determined as a function of... Agent: Nixon & Vanderhye, PC

20080310547 - Multi-code precoding for sequence modulation: In accordance with an exemplary embodiment of the invention a method is provided to reduce a peak to average ratio with a multi-code transmission. The method includes precoding a plurality of symbols, modulating the precoded plurality of symbols using multi-codes including a plurality of orthogonal codes, and transmitting a signal... Agent: Harrington & Smith, PC

20080310548 - Orthogonal frequency digital multiplexing correlation canceller: A correlation canceller modulates a communication signal over a plurality of channels and an epoch aperture by a plurality of interference response signals corresponding to linear response by one or more filtering effects to generate an inversely correlated communication signal.... Agent: Townsend And Townsend And Crew LLP Viasat, Inc (client #017018)

20080310549 - Transmission controlling method in wireless communications system and receiver for use in the same system: The present invention relates to a transmission controlling method in a wireless communications system and a receiver for use in the same system. The invention aims at realizing power control (or transmit rate control) more effective than previous techniques by means of utilizing a certain relationship between an error rate... Agent: Hanify & King Professional Corporation

20080310550 - Redundancy system for a telecommunication system and related methods: A redundancy system for a co-channel telecommunication system and related methods. Implementations of the redundancy system may include at least a first modulator and a second modulator having a symbol mapper coupled to a parallel bit signal. The symbol mapper may be configured to route each of a plurality of... Agent: Booth Udall, PLC

20080310551 - Decoder for 4qam-nr and method thereof: A 4QAM-NR decoder and decoding method are disclosed. The 4QAM-NR decoder, obtains original data corresponding to receiving data received by a receiving terminal. The 4QAM-NR decoder comprises a determining device, an improving device and a corresponding device. The determining device provides a determining method to determine whether the receiving data... Agent: Joe Mckinney Muncy

20080310552 - Ramping in multimode transmitters using primed filters: A modulation system can switch between two modulation modes. In order to comply with limits on peak power in spectral bands outside the RF operating one the transmitter is required to ramp down to a condition of minimal power. To avoid fixed ramping and trailing bits, the transmitting signal is... Agent: Freescale Semiconductor, Inc. Law Department

20080310556 - Apparatus and method for detecting signal in multiple-input multiple-output (mimo) wireless communication system: Receiving apparatus and method in a Multiple-Input Multiple-Output (MIMO) wireless communication system are provided. The receiver having N-ary receive antennas includes a decomposer for decomposing a channel matrix to a matrix Q and a matrix R through a QR decomposition; a detector for determining a candidate group of an n-th... Agent: Docket Clerk

20080310558 - Apparatus to reconfigure an 802.11a/n transceiver to support 802.11j/10 mhz mode of operation: A method and apparatus is disclosed to dynamically reconfigure a communications receiver to support one or more single stream modes of operation, multiple stream modes of operation, and/or propriety modes of operation. The communications receiver is configured to support according to a first single stream mode of operation, multiple stream... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20080310553 - Baseband process method based on doubling sampling: A baseband processing method based on double sampling, including: subjecting a received signal to root raised cosine-filtering process; sampling said signal; conducting channel estimation for every user based on the sampled data; and conducting multi-user joint detection and demodulation for said data. Wherein, the step of sampling said signal includes... Agent: Thelen LLP

20080310557 - Carrier selection for multiple antennas: A method and apparatus is disclosed to process a received single stream communication signal and/or a multiple stream communication. A communications receiver is configured to receive the received communication signal. A communications receiver determines whether the received communication signal includes a single stream communication signal or a multiple stream communication... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20080310555 - Distributed decoding device using multi-core processor and method for the same: Provided is a distributed decoding device using a multi-core processor, including a multi-core processor that includes a plurality of cores which process data as threads; an MPEG division module that receives MPEG data, extracts decoding information from the MPEG data, divides the MPEG data into individual slices, and generates and... Agent: Greenblum & Bernstein, P.L.C

20080310559 - Gain control for reduced interframe spacing (rifs): A method and apparatus is disclosed to recover at least one information payload from a frame and/or to configure one or more reception parameters to receive a future frame to support RIFS. A physical layer device (PHY) receives at least a training sequence embedded in the frame of a transmitted... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20080310554 - Method and apparatus for multiple antenna communications, and related systems and computer program: An embodiment of an arrangement for detecting sequences of digitally modulated symbols from multiple sources. The arrangement identifies a suitable set of candidate values for at least one transmitted sequence of symbols and determines for each candidate value a set of sequences of transmitted symbols. The arrangement estimates at least... Agent: Graybeal, Jackson, Haley LLP

20080310560 - Apparatus for estimating phase offset of multiple survival paths and digital wired/wireless communication system using the same: Provided is an apparatus for estimating phase offsets of multiple survival paths and a satellite communication system using the same. The apparatus includes: upper/lower decoding units for obtaining a phase offset estimation value and estimating phase offsets of each survival path based on a stored parameter estimation value of a... Agent: Cantor Colburn, LLP

20080310561 - Simplified rach preamble detection receiver: A low complexity RACH preamble detector is described herein. The RACH preamble detection algorithm uses the peak detection of the time domain correlation function through frequency domain processing. The frequency domain processing considers the reference signals generated directly from frequency domain CAZAC sequence or time domain CAZAC sequence with DFT... Agent: Fay Sharpe/lucent

20080310563 - Broadcast channel estimator: A communication system comprises a receiver, which may generate broadcast coefficients that represent the characteristics of a channel using the channel information encoded in the segment synchronization units. The receiver may also use the channel information encoded in both the segment synchronization units and the field synchronization units to accurately... Agent: Intel/bstz Blakely Sokoloff Taylor & Zafman LLP

20080310562 - Efficient covariance computation by table lookup: The impairment processor described herein uses a look-up table operation to reduce the computational complexity associated with determining an impairment correlation between first and second sample streams for an interference rejection receiver. One exemplary impairment processor iteratively computes multiple partial impairment correlations based on values selected from look-up table(s), and... Agent: Coats & Bennett, PLLC

20080310565 - Dynamic optimization of overlap-and-add length: A method of adjusting overlap-and-add length for zero-padded suffixes. The method includes, based on a channel impulse response, estimating an effective channel length. When the effective channel length is less than a default overlap-and-add length and greater than a minimum length, the method includes setting the overlap-and-add length to the... Agent: Texas Instruments Incorporated

20080310564 - Processing data in a digital communications system: A method of processing a signal in a wireless digital communications system, wherein a source of disturbance affects differently at least first and second portions of a received signal carrying user data and/or control data, the method comprising: identifying the second portion of the received signal, most affected by the... Agent: Mcdermott Will & Emery LLP

20080310566 - Frequency synchronizing circuit, method, and receiving apparatus using the circuit and the method: A frequency synchronizing circuit includes a first raising unit configured to raise a received signal by a first power to obtain a first raised signal, a filter to suppress noise in the first raised signal to obtain a filtered signal, a second raising unit configured to raise the filtered signal... Agent: Amin, Turocy & Calvin, LLP

20080310567 - Method for improving synchronization and information transmission in a communication system: The present invention relates to a method for improving synchronization and information transmission in a communication system, including: generating a signal with a time symmetric property based on a uniquely identifiable sequence c(l) from a set of sequences, sending the signal over a communication channel, receiving the signal, calculating and... Agent: Darby & Darby P.C.

20080310568 - Digital sampling apparatuses and methods: Methods and apparatus for sampling and determining the frequency of periodic digital signals. An exemplary digital sampling apparatus includes a polyphase sampling apparatus configured to sample a periodic digital signal according to a polyphase clock system having multiple phases. The multiple phases provided by the polyphase clock system are successively... Agent: Patent Law Professionals

20080310570 - Device and method for preventing lost synchronization: A method and device for preventing a defect in a CDR circuit from hindering synchronization between connection nodes and for preventing connection failures. The CDR circuit generates a synchronization clock from received data. A connection failure processor performs a connection failure process if synchronization based on the synchronization clock between... Agent: Arent Fox LLP

20080310569 - Input/output circuit: Disclosed is a SERDES circuit including a clock and data recovery circuit that allows operational margin in temporal and voltage directions to be measured, using a phase offset signal and a threshold voltage control signal, a pre-emphasis driver circuit and an equalizer circuit in order to reduce ISI on a... Agent: Mcginn Intellectual Property Law Group, PLLC

20080310571 - Pulsed serial link transmitting data and timing information on a single line: A method of encoding data and timing information on a single line comprising: asserting a first edge on the single line to encode said timing information; asserting a second edge on the single line a selectable time period after said first edge, said selectable time period representing said data, characterised... Agent: Docket Clerk

20080310572 - Frame synchronization apparatus and its control method: A frame synchronization apparatus for controlling a frame synchronization process carried out on an input signal, the frame synchronization apparatus including: a correlation-value computation section; an IQ component select section; and a synchronization-signal outputting section.... Agent: Frommer Lawrence & Haug LLP

20080310573 - Polar modulation / one-point frequency modulation with flexible reference frequency: Apparatuses and methods for operating a modulation system using a flexible reference frequency signal are disclosed. A modulation system uses a phase-locked loop (PLL). An internal reference signal source is configured to provide an internal reference signal having an internal frequency that is substantially independent of the reference frequency. A... Agent: Lee & Hayes, PLLC

20080310574 - Semiconductor memory device: A semiconductor memory device stably performs a read operation at a high frequency, thereby reducing a current consumption. The semiconductor memory device is capable of performing the read operation stably by controlling a data eye. The semiconductor memory device includes an output unit and a data eye control unit. The... Agent: Blakely Sokoloff Taylor & Zafman LLP

20080304548 - Spread spectrum method with elimination of sub-bands: The invention relates to a spread spectrum method for a digital input signal (x(n)), said method comprising the following steps: coefficients of a reversible digital periodical linear filter (1) are selected in such a way that the spectrum of the input signal (x(n)) is spread in order to occupy a... Agent: Bachman & Lapointe, P.C.

20080304549 - Hybrid band directed energy target disruption: A technique for disrupting the operation of a target containing nonlinear electronic devices generally includes generating a high frequency signal; generating a low frequency signal; modulating the high frequency signal with the low frequency signal; and emitting the modulated high frequency signal at the target.... Agent: Williams, Morgan & Amerson

20080304550 - Method and system for fast synchronization and data reception for frequency hopping wireless communication systems: Methods and systems for fast synchronization and data reception for frequency hopping wireless communication systems are disclosed. Aspects of one method may include receiving a plurality of RF signals corresponding to a plurality of hopping frequencies. The RF signals may be processed in parallel to determine a hopping sequence. For... Agent: Mcandrews Held & Malloy, Ltd

20080304551 - Methods and apparatus for overlaying multi-carrier and direct sequence spread spectrum signals in a broadband wireless communication system: A broadband wireless communication system, wherein both Multi-Carrier (MC) and Direct Sequence Spread Spectrum (DSSS) signals are intentionally overlaid together, in both time and frequency domains. The overlaying mitigates the weaknesses of each technique. The MC signal carries the broadband data signal and takes advantage of its high spectral efficiency,... Agent: Perkins Coie LLP Patent-sea

20080304552 - Receiver for communication system: A receiver includes a channel providing information received from wireless communications, including information from a selected user. A minimum mean square error combiner is coupled to the channel for receiving samples in a symbol duration and minimizes mean square error in such samples. The combiner has coefficients derived from a... Agent: Honeywell International Inc.

20080304553 - Method and device for removing narrow band interference in spreading frequency system: A method and device for eliminating narrow-band interference in spread spectrum system, wherein the method comprises the steps of: extracting N sampling points of the data to perform frequency spectrum transform each time and obtaining N points of data; getting the energy sum of individual data after M times of... Agent: Kolisch Hartwell, P.C.

20080304554 - Method and apparatus for estimating impairment covariance matrices using unoccupied spreading codes: In one of its aspects, the technology concerns a method of processing a signal which includes physical data channels which have been channelized using spreading codes. The method comprises (1) despreading unoccupied spreading codes (e.g., codes which are essentially unobscured by traffic data) included in the signal to obtain unoccupied... Agent: Nixon & Vanderhye, PC

20080304555 - Method and arrangement for improved relaying: A first aspect of the present invention relates to a wireless relaying network having a number of network nodes, including a transmitting node, at least one relaying node and at least one receiving node. Briefly, according to the present invention the transmitting node forms an OFDM-symbol and transmits a signal... Agent: Ericsson Inc.

20080304556 - Multi-value modulation/demodulation method and multi-value modulation/demodulation device: N (integer equal to or above 3) quadri-phase shift keying (QPSK) outputs having different amplitude levels, i.e., r2=r1·2−(i−1), i=2 . . . N with respect to a maximum amplitude level r1 are superposed after power amplification to form M(=22N)−valued/quadrature amplitude modulation (QAM), and N-1 outputs si except the quadri-phase shift... Agent: Jacobson Holman PLLC

20080304557 - Self-calibrating continuous-time equalization: Embodiments of the invention comprise a continuous-time equalizer for reducing ISI in data received from a communication channel, and methods and circuitry for tuning or calibrating that equalizer. Selected coefficients for a transfer function of the equalizer circuit are fixed, while other coefficients are tuned by an adaptive algorithm. The... Agent: Wong, Cabello, Lutsch, Rutherford & Brucculeri, L.L.P.

20080304558 - Hybrid time-frequency domain equalization over broadband multi-input multi-output channels: A system and methodology for channel equalization are provided. According to one aspect, a receiver structure for a MIMO system is provided that employs frequency domain equalization (FDE) with noise prediction (FDE-NP). The FDE-NP structure may include a feedforward linear frequency domain equalizer and a group of time domain noise... Agent: Amin, Turocy & Calvin, LLP

20080304559 - System for automatic bandwidth control of equalizer adaptation loops: A method to reduce peak power consumption during adaptation for an IC with multiple serial link transceivers including the steps of (A) inactivating equalizer adaptation loops until a triggering event occurs, (B) when the triggering event occurs, determining whether the triggering event is a minor change or a major change,... Agent: Christopher P Maiorana, PC Lsi Corporation

20080304560 - Ranging and communication multifunction system: The ranging and communication multifunction system 1 of the present invention includes a transmission unit 2 and a receiving unit 3, and integrates two functions of ranging and communication. The transmission unit 2 includes a transmission circuit 4, a carrier wave modulation device 5, and a transmission antenna 6, and... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080304561 - Video stream modifier: A compressed data stream modifier 270 is disclosed. The stream modifier modifies an input data stream that may comprise audio and video data streams conforming to any one of the well-known video compression standards, for example, MPEG or AVC. The input stream is first de-multiplexed to obtain a single video... Agent: Nxp, B.v. Nxp Intellectual Property Department

20080304562 - Adaptive selection of picture-level quantization parameters for predicted video pictures: Techniques and tools for adaptive selection of picture quantization parameters (“QPs”) for predicted pictures are described. For example, a video encoder adaptively selects a delta QP for a B-picture based on spatial complexity, temporal complexity, whether differential quantization is active, whether the B-picture is available as a reference picture, or... Agent: Klarquist Sparkman LLP

20080304564 - Bitrate control method and apparatus for intra-only video sequence coding: A bitrate control method and apparatus for video sequence coding by using only intra pictures are provided. The rate control method includes: separating a video sequence formed only with intra pictures, into picture group units, slice units, and macroblock units; and performing bitrate control so that a predetermined amount of... Agent: Sughrue Mion, PLLC

20080304563 - Hybrid rate control in a digital stream transcoder: A rate controller in run-level domain transcoder, which receives a stream of compressed frames carried in a bit stream, selectively determines whether to quantize and/or threshold portions of a frame carried in the stream of frames. The rate controller determines the input size of the frame and based at least... Agent: Scientific-atlanta, Inc. Intellectual Property Department

20080304566 - Method for decoding video signal encoded through inter-layer prediction: A method for decoding a video signal encoded through inter-layer prediction is provided. When encoded bitstreams of first and second layers are received and decoded into a video signal, pictures of the first layer are predicted from pictures of the second layer. It is determined whether or not inter-layer prediction... Agent: Fish & Richardson P.C.

20080304565 - Reducing the network load of event-triggered video: In one embodiment, a method for reducing the network load of an event-triggered video system comprising transmitting a first ‘play’ indication by a controlling process over a data network, to an appropriately configured video encoding process, transmitting first video data by the encoding process in response to receiving the first... Agent: Cisco Systems, Inc. Scientific-atlanta, Inc.

20080304567 - Complexity scalable video encoding: A video decoder, a video decoding method, a video encoder and a video encoding method are disclosed. A video decoder for decoding a video bitstream for an image block includes a motion vector resolution reducer and a motion compensator. The motion vector resolution reducer is for receiving decoded high resolution... Agent: Joseph J. Laks Thomson Licensing LLC

20080304569 - Method and apparatus for encoding and decoding image using object boundary based partition: Provided are a method and apparatus for encoding and decoding an image. The image encoding method includes searching for a reference block for obtaining partition information of a current block, referring to at least one reference picture; dividing the current block based on the partition information obtained from the reference... Agent: Sughrue Mion, PLLC

20080304568 - Method for motion-compensated frame rate up-conversion: The method for motion-compensated frame rate up-conversion includes the step of detecting a film-mode video signal comprising a sequence of 3-2 pull-down frames, and extracting a sequence of feature frames from the sequence of 3-2 pull-down frames. In addition, a motion vector for each pair of the sequence of feature... Agent: Wpat, PC Intellectual Property Attorneys

20080304570 - Method and apparatus for transcoding a video signal: The invention provides a method of transcoding a video signal made up of an input bit stream representative of frames of a video, each frame being made up of blocks of pixels, there being a corresponding block of data within the input bit stream for each block of pixels, the... Agent: Conley Rose, P.C. David A. Rose

20080304571 - Content receiving apparatus, method of controlling video-audio output timing and content providing system: In this invention, the encoded video frames to which video time-stamps VTS are attached and the encoded audio frames to which audio time-stamps ATS are attached, all received, are decoded, generating a plurality of video frames VF1 and a plurality of audio frames AF1. The video frames VF1 and audio... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080304572 - Image coding method, image coding apparatus, image decoding method and image decoding apparatus: An image coding and decoding apparatus includes functions, in which an image of every block including either an entire input image or an image divided from the input image is compressed, a Radon transform is applied to the compressed image to generate a coefficient, the generated coefficient is transformed in... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080304573 - Capturing media in synchronized fashion: Techniques for synchronizing audio and video content for presentation to a user at a same rate are provided. Streams of content from two or more sources of media, each media source having an associated clock, are synchronized by a synchronizing component and processor with respect to a master clock. As... Agent: Hickman Palermo Truong & Becker LLP/apple Inc.

20080304574 - Information processing device and method, and information processing system: An information processing device includes: an accumulating unit for accumulating encoded data obtained by encoding image data; a reading unit for reading out the encoded data in data increments; a determining unit for determining whether or not a parameter indicating the accumulated state of the encoded data at the accumulating... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080304576 - Efficient decoding: Embodiments of a method and apparatus for decoding signals are disclosed. The method includes receiving modulated signals, generating bits representing the signals, and associated reliability of each bit. The method further includes executing a first stage of decoding the bits using a first component code, and simultaneously executing the first... Agent: Teranetics

20080304575 - Method for compression and expansion of analogue signals: In an analog signal compression method with digital compression and digital expansion of linear based or sine-based linear signals, a signal coordination point is determined in a bi-adaptive scaleable mV/step and a time/step structured plane. To accomplish this, the linear or sine-based input signal is digitized, the breaks of the... Agent: Crowell & Moring LLP Intellectual Property Group

20080304579 - Apparatus and method for automatic polarity swap in a communications system: An automatic polarity swap is implemented in a communications system. Two or more transceivers having differential inputs and outputs are coupled together through an interface, such as a backplane to form a communications system. In such a configuration, it is possible to cross-connect the differential data lines or signals at... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20080304577 - Power-line communication method, power-line communication device, and power-line communication system: To provide a power-line communication method, a power-line communication device, and a power-line communication system, which can make communication with high communication efficiency even when the condition of a power line is changed. In step S101, a noise detection process is performed in correspondence to a time domain synchronized with... Agent: Dickinson Wright PLLC

20080304578 - Transmission cable: A transmission cable that has three signal lines, and in which there is little unwanted radiation noise, is provided. In a section that is perpendicular to the longitudinal direction of the differential transmission cable, the distance between any two signal lines of the three signal lines is equal to a... Agent: Wenderoth, Lind & Ponack L.L.P.

20080304580 - Transmission system, transmitter, receiver, and transmission method: There is provided a transmission system in which a data sequence is transmitted. The transmission system includes a transmitter that generates a transmission signal by converting pieces of data included in the data sequence into data waveforms each of which has (i) a level signal whose signal level is determined... Agent: Jianq Chyun Intellectual Property Office

20080304591 - Apparatus and method for estimating channel in communication system supporting ofdm/ofdma: Disclosed are an apparatus and a method for estimating a channel in a base station when using a Partial Usage of Sub-Channels (PUSC) mode in an uplink channel of the communication system supporting Orthogonal Frequency Division Multiplexing/Orthogonal Frequency Division Multiple Access (OFDM/OFDMA). For this, the channel estimation apparatus used in... Agent: Townsend And Townsend And Crew, LLP

20080304590 - Method and apparatus for transmission from multiple non-collocated base stations over wireless radio networks: A method and apparatus is disclosed herein for wireless transmission from multiple non-colocated antennas. In one embodiment, a wireless communication system comprises a controller to control a set of antenna elements dispersed over multiple, non-collocated base stations to wirelessly transmit information-bearing signals to one or more receivers using OFDM transmission,... Agent: Blakely Sokoloff Taylor & Zafman LLP

20080304581 - Method and system for multicarrier communication between a base station and subscribers of different bandwidths: A multicarrier base station communicates with subscriber stations of different bandwidth profiles by allocating time slots in downlink and uplink frames and subcarriers of a single multicarrier communication channel to various bandwidth subchannels.... Agent: The Law Offices Of John C. Scott, LLC C/o Intellevele, LLC

20080304585 - Method for suppressing the inter-carrier interference in the orthogonal frequency division multiplexing mobile communication system: The present invention relates to a method for suppressing inter-carrier interference in an orthogonal frequency division multiplexing mobile communication system, comprising: performing down conversion of the signal received in the receiver; removing the cyclic prefix of the signal so as to obtain the original signal; performing cyclic extension of the... Agent: Darby & Darby P.C.

20080304588 - Methods and apparatus for mapping control channels to resources in ofdm systems: A method for data transmission. The method including the steps of generating at least one resource tree, mapping a plurality of resource elements into respective leaf nodes in the at least one resource tree according to a certain mapping scheme, with each node in the at least one resource tree... Agent: Robert E. Bushnell

20080304582 - Multi-carrier transmission device and multi-carrier transmission method: There is provided a multi-carrier transmission device capable of improving a packet error ratio in a system where transmission data is repeatedly multi-carrier-transmitted. In this device, the transmission data is subjected to error correction encoding in an error correction encoding unit (102), modulation in a modulation unit (104), and repetition... Agent: Dickinson Wright PLLC

20080304587 - Ofdm reception device: An OFDM reception device detects a time at which impulse noise occurs in a received OFDM signal, and specifies a start position candidate period that does not have intersymbol interference and is estimated to have a guard interval signal in a symbol. When setting a FFT window of an effective... Agent: Wenderoth, Lind & Ponack L.L.P.

20080304584 - Radio transmission device and radio reception device: There is disclosed a radio transmission device capable of improving the throughput. The radio transmission device (100) transmits a first signal and a second signal which are different from each other. In the radio transmission device (100), an FFT unit (103) subjects first data to an FFT process. A sub-carrier... Agent: Dickinson Wright PLLC

20080304583 - Radio transmission device, radio reception device, radio transmission method, and radio reception method: A radio transmission device capable of improving channel estimation precision for each frequency. In this device, an FFT unit (103) subjects a data signal to a Fourier transformation. A signal substitution unit (108) substitutes the frequency component of a portion of a plurality of frequency components composing the Fourier-transformed data... Agent: Dickinson Wright PLLC

20080304586 - Reduced lattice demodulation method and apparatus: RAKE-based receivers utilize lattice reduction for improving symbol estimation accuracy. Channel response estimates and received signal streams are transformed from a constellation lattice basis to an integer lattice basis to increase the orthogonality of symbol estimation decision regions. In one embodiment, received signal streams are processed by generating despread signal... Agent: Coats & Bennett, PLLC

20080304589 - Wireless receiver, method for controlling the wireless receiver, program for controlling the wireless receiver, and semiconductor integrated circuit: According to an embodiment of the invention, a wireless receiving apparatus includes: an antenna that receives an OFDM signal having an OFDM symbol and a guard interval; a front end section that performs frequency conversion and synchronization on the received OFDM signal; an ISI canceller that extracts a delay profile... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080304592 - Method and system for diversity receiver based on tds-ofdm technology: A method and apparatus for a receiver comprises: a plurality of paths with each path associated with an independent antenna. Each path comprises: a channel estimation device associated with a particular channel; and a set of parameters denoting channel characteristic associated with each path. The receiver further comprises a time... Agent: Frank F. Tian

20080304593 - Transmission symbols mapping for antenna diversity: Methods and apparatus for transmitting data via multiple antennas by using antenna diversity. A transmission diversity scheme is established such that two transmission matrices that are in accordance with the space frequency block code combined with Frequency switched transmit diversity (SFBC+FSTD) scheme, are alternatively applied in either the frequency domain,... Agent: Robert E. Bushnell

20080304594 - Methods and apparatus for reducing peak-to-rms amplitude ratio in communication signals: A pulse amplitude modulation (PAM) signal generator that injects a copy of a pulse into the PAM baseband signal prior to frequency upconversion and power amplification. The pulse comprises a function of, or an extra copy of, a pulse in the PAM baseband signal. The pulse injector analyzes the PAM... Agent: Patent Law Professionals

20080304595 - Dsp workload distribution in a power line carrier system: Disclosed are various embodiments for dividing workload in a digital signal processing system. In one embodiment, the system includes at least one analog-to-digital converter configured to receive a three phase analog waveform and a digital waveform. The system can also include a first DSP configured to interface with an external... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080304596 - Method and system for receiving audio, video and data services with atsc enabled television sets: Certain aspects of a method and system for receiving audio, video and data services with advanced television systems committee (ATSC) enabled television sets may be provided. Aspects of the method may include conversion of a plurality of received quadrature amplitude modulated (QAM) signals into a plurality of vestigial side band... Agent: Mcandrews Held & Malloy, Ltd

20080304597 - System and method for decoding automatic identification system signals: Various embodiments are described herein for a system and method of detecting Automatic Identification System (AIS) signals in space and decoding these signals. In one aspect, a system for performing this function is described which includes a receiver configured to receive the plurality of AIS signals and pre-process the plurality... Agent: Bereskin And Parr

20080304598 - System and method for m-ary phase-shifting keying modulation: System and method for m-ary phase shifting keying modulation. According to an embodiment, the present invention provides a method for performing m-ary phase-keying shift modulation. The method includes providing at least a first signal and a second signal by a signal source. The first signal and the second signal are... Agent: Townsend And Townsend And Crew, LLP

20080304599 - Interface circuit as well as method for receiving and/or for decoding data signals: In order to provide an interface circuit (100; 100′) as well as a method for receiving and/or for decoding, in particular for recovering, data signals (D; R, G, B), in particular high speed data signals, for example high speed sequential digital data signals, wherein at least one sampling clock signal... Agent: Nxp, B.v. Nxp Intellectual Property Department

20080304601 - Method and apparatus for processing satellite positioning system signals to obtain time information: A method and apparatus for processing satellite positioning system signals at a mobile receiver is described. In one example, first bit-transitions within satellite navigation data transmitted by at least one satellite are estimated at the mobile receiver. A bit pattern is generated that includes a known preamble and an extended... Agent: Mcandrews Held & Malloy, Ltd

20080304600 - Signal processor for estimating signal parameters using an approximated inverse matrix: A device that estimates information from a signal includes a receiver for receiving an input signal and electronic processing circuitry. The electronic processing circuitry generates a matrix associated with the input signal and determines an approximation of an inverse of the matrix based on the adjoint of the matrix and... Agent: Nixon & Vanderhye, PC

20080304602 - Digital broadcasting system and method of processing data: A digital broadcast system including a broadcast receiving system and data processing method are disclosed. In the broadcast receiving system receiving broadcast signals, the broadcast receiving system includes a transmission parameter decoding unit, a known sequence detector, and a burst controller. The transmission parameter decoding unit detects information on a... Agent: Lee, Hong, Degerman, Kang & Waimey

20080304604 - Apparatus and method for detecting frame boundary in wireless communication system: Disclosed is an apparatus and a method for detecting a boundary of a frame in a wireless communication system. The apparatus includes: a controller for measuring correlation energy with preambles with respect to received signals transmitted from a transmitter, measuring strength of the received signals, and removing a sample from... Agent: Townsend And Townsend And Crew, LLP

20080304603 - Methods and apparatus for initial acquisition gain control in a communication system: Methods and apparatus for initial acquisition gain control in a communication system a method for use in a wireless communication system are disclosed. A disclosed methodology includes measuring the power of a signal received by a transceiver a number of times over a prescribed time period, the signal including a... Agent: Qualcomm Incorporated

20080304605 - Method of providing a data signal for channel estimation and circuit thereof: A received signal having pilots is converted to a first signal in the frequency domain having the pilots. The pilots are extracted from the first signal to obtain extracted pilots to form a second signal. The second signal is used to provide a first estimate of a channel. The first... Agent: Freescale Semiconductor, Inc. Law Department

20080304606 - Synchronizing a device that has been power cycled to an already operational system: A method comprises a system comprising a host device coupled to a first remote device actively operating according to a state diagram that the host device and all remote devices follow during operation of the system. The method further comprises powering up a second remote device while the host device... Agent: Texas Instruments Incorporated

20080304607 - System, apparatus, and method for a robust synchronization scheme for digital communication systems: A synchronization sequence (preamble) that is known to the receiver forms as an integral part of packet-based digital communication systems. The first operation in such digital communication systems is the detection of the beginning of a valid signal (packet). The present invention provides a system, apparatus, and method for a... Agent: Philips Intellectual Property & Standards

20080304608 - Test apparatus, and device for calibration: The test apparatus includes a first comparator and a second comparator that measure a measured signal output from the device under test at a given sampling clock timing, a deciding section that decides a quality of the device under test on the basis of a measurement result in the first... Agent: Jianq Chyun Intellectual Property Office

20080304610 - Frequency reacquisition in a clock and data recovery device: A system and method are provided for reacquiring a non-synchronous communication signal in a clock and data recovery (CDR) device frequency synthesizer. The method initially acquires the phase of a non-synchronous communication signal having an input data frequency. In response to acquiring the phase of the input data frequency, a... Agent: Law Office Of Gerald Maliszewski

20080304609 - Phase/frequency estimator-based phase locked loop: A phase/frequency estimator-based phase locked loop (PFE-PLL) may be use to obtain a phase and frequency estimation by using an algebraic summer, a gain block and a (co)sine waveform generator. The apparatus and methods of the present invention may provide the phase estimation of an input signal from which a... Agent: Honeywell International Inc.

20080298432 - Ranging system and method: A system for estimating range to an object comprising a system for estimating range to an object comprising a transmitter to transmit at least one UWB signal, a receiver to receive at least one UWB signal, a sampler to sample the received UWB signal depending on a plurality of clock... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080298433 - Coordinated cyclic shift and sequence hopping for zadoff-chu, modified zadoff-chu, and block-wise spreading sequences: A cyclic shift of a reference signal is quantized as a combination of a cell specific cyclic shift with an outcome of a pseudo-random hopping, and an indication of the cell specific cyclic shift is broadcast in the cell. In one embodiment the cyclic shift is quantized as a modulo... Agent: Harrington & Smith, PC

20080298434 - Method and arrangement for frequency hopping in wireless communication systems with carriers of varying bandwidth: The present invention relates to frequency hopping in wireless communication systems utilizing single-carriers with varying bandwidth. Frequency hopping is made possible by dividing the available bandwidth, associated to the available frequency spectrum, in a levelled structure, a bandwidth tree. By the use of a frequency hopping tree, which has the... Agent: Ericsson Inc.

20080298435 - Common air interface supporting single carrier and ofdm: A matched filter is configured for matching an input signal to a plurality of programmable-length complementary Golay-code pairs. The matched filter includes a sequence of delay elements configured for delaying the input signal with respect to at least one delay vector. A sequence of programmable seed vector insertion elements is... Agent: Steven J Shattil

20080298436 - Random access collision detection: A receiver in a communication system correlates incoming signals, which may be sent by several transmitters, with one or more predetermined sequences. The receiver should take the maximum delay spread into account in determining whether a collision between incoming signals has occurred. For example, the receiver may decide that a... Agent: Potomac Patent Group PLLC

20080298437 - Cancellation of burst noise in a communication system with application to s-cdma: A communication system performs burst noise cancellation. A transmitter produces and transmits a spread signal that comprises at least one known-value symbol spread by a plurality of non data-carrying orthogonal codes and data symbols spread by at least one data-carrying orthogonal code. The transmitter transmits the spread signal across a... Agent: Garlick Harrison & Markison

20080298438 - Pilot signals for synchronization and/or channel estimation: The frame words of the embodiments are suitable for frame synchronization and/or channel estimation. By adding the autocorrelation and/or cross-correlation functions of frame words, double maximum values equal in magnitude and opposite polarity at zero and middle shifts are obtained. This property can be used to slot-by-slot, double-check frame synchronization... Agent: Ked & Associates, LLP

20080298439 - Device and method for processing data by modulating sets of spreading pseudocodes as a function of data destination cells for a multi-beam communication satellite: A device (D) is dedicated to the processing of data by spread spectrum coding for a multi-beam communication satellite (S), each beam (B1-B6) of which is associated with a terrestrial cell (C1-C6) contained in a satellite coverage zone (ZC). This device (D) comprises coding means (MC) charged i) with associating,... Agent: Lowe Hauptman & Berner, LLP

20080298440 - Method and apparatus for implementing seek and scan functions for an fm digital radio signal: A method for detecting a digital radio signal includes the steps of receiving the digital radio signal, developing a correlation waveform having a peak that corresponds to a symbol boundary, normalizing the correlation waveform, calculating a peak value of the normalized correlation waveform, and dwelling on the received digital radio... Agent: Pietragallo Gordon Alfano Bosick & Raspanti LLP

20080298441 - Radio communications apparatus: A radio communications apparatus executing transmit beam forming includes a receiver which receives an estimate value of a propagation path response, a computer which calculates a weighting matrix to be used for the transmit beam forming, in accordance with the estimate value, a correcting unit which corrects a component, of... Agent: Charles N.j. Ruggiero, Esq. Ohlandt, Greeley, Ruggiero & Perle, L.L.P.

20080298442 - Systems and methods for transmission and reception of data including frequency and channel code selection: Systems and methods are disclosed for wireless transmission and reception of data including processing and buffering features. According to one or more exemplary aspects, there is provided a wireless audio receiver for receiving a plurality of packets of encoded audio data. Moreover, the receiver includes at least one receiving component... Agent: Dla Piper US LLP

20080298443 - Method for efficient wireless transmission and reception of audio digital signals: The present invention relates to a method of wirelessly transmitting and receiving audio digital signals of the type having a first plurality of blocks with each block having a second plurality of frames, with each frame having a third plurality of subframes, with each subframe having a preamble and a... Agent: Dla Piper US LLP

20080298444 - Dsl system: Methods, techniques, computer program products, apparatus, devices, etc., used in connection with DSL Management Interfaces, significantly improve the management capabilities of a DSL network and/or improve testing relating to DSL equipment and services by permitting better control and operation of a DSL system, including implementation of timestamping for more accurate... Agent: Blakely Sokoloff Taylor & Zafman LLP

20080298446 - Method and system for calibrating a transmitting system: t

20080298445 - Sectorized base stations as multiple antenna systems: Methods and apparatus for improved utilization of air link resources are discussed in wireless communications systems employing multi-sector base stations and wireless terminals with multiple antennas. Timing synchronization is maintained across the base station sectors, and the same set of tones are used in adjacent sectors. In a sector boundary... Agent: Qualcomm Incorporated

20080298447 - Determining wireless data rates capability for packet data communications: A wireless device, system, and method that determines data rate capability for communicating packet data is described. The wireless device comprises a RF component, a controller, and a means for enabling communications. The RF component is configured to communicate a plurality of packet data at a first data rate capability... Agent: Kyocera Wireless Corp.

20080298448 - Method and apparatus for measuring subjective assessment of digital video impairment: A method and system for using key performance indicators of a transport channel to determine key quality indicators associated with information transported there through.... Agent: Patterson & Sheridan, LLP/ Lucent Technologies, Inc

20080298451 - Apparatus and method for estimating carrier-to-interference and noise ratio in a communication system: An apparatus and method for estimating a Carrier-to-Interference and Noise Ratio (CINR) in a communication system are provided. In the apparatus and method a signal having a traffic allocation available area that includes a preamble allocation available area is generated by Fast Fourier Transform (FFT)-processing a received symbol, power values... Agent: JeffersonIPLaw, LLP

20080298450 - Frequency band adaptive wireless communication: A system, apparatus and method is disclosed for multiband wireless communication. Frequency bands and/or transmission formats are identified as available within a range for wireless communication. Signal quality metrics for each frequency band are evaluated by a receiver to identify qualified frequency bands. The qualified frequency bands can be ranked... Agent: Merchant & Gould PC

20080298449 - Method and an apparatus for measuring error vector magnitude, and a measuring apparatus or signal source evaluated or assessed by this method: At least one property of a measuring apparatus that is different property from the error vector magnitude is measured, or a previously measured value or a predetermined value of the at least one property is prepared; based on the measured value or specification value of each of the at least... Agent: Agilent Technologies Inc.

20080298452 - Fast square root algorithm for mimo equalization: Systems and methodologies are described that facilitate equalization of received signals in a wireless communication environment. Using multiple transmit and/or receive antennas and MIMO technology, multiple data streams can be transmitted within a single tone. During equalization, receivers can separate data received within a tone into individual data streams. The... Agent: Qualcomm Incorporated

20080298453 - Nonlinear adaptive phase domain equalization for multilevel phase coded demodulators: A novel and useful apparatus for and method of nonlinear adaptive phase domain equalization for multilevel phase coded demodulators. The invention improves the immunity of phase-modulated signals (PSK) to intersymbol interference (ISI) such as caused by transmitter or receiver impairments, frequency selective channel response filtering, timing offset or carrier frequency... Agent: Texas Instruments Incorporated

20080298455 - Clock generator including a ring oscillator with precise frequency control: A clock generator for providing a desired system clock signal in accordance with an embodiment of the present application includes a ring oscillator operable to provide an oscillator output signal having a first frequency, a divider operable to divide the oscillator output signal by a predetermined divisor and to output... Agent: Ostrolenk Faber Gerb & Soffen

20080298456 - Hybrid digital digital/analog fm multiplexer transmitter: An audio circuit digitizes raw analog input and uses a digital signal processor (DSP) to filter, modulate, and mix the input to produce a multiplex composite signal. The multiplex composite signal is output from the DSP through a digital/analog converter (DAC), and modulates a conventional FM RF stage. In a... Agent: Stainbrook & Stainbrook, LLP

20080298454 - Pulse width modulator using interpolator: A modulator using a polynomial interpolator is described herein. In a simple circuit implementation of the modulator, coefficients of a representative polynomial are generated with interpolation filters in the polynomial interpolator. Crossing points may be identified for each sampling period by incorporating a virtual carrier waveform with the representative polynomial... Agent: Lee & Hayes, PLLC

20080298459 - Interactive compression with multiple units of compression state information: There is provided a method of interactive compression using multiple compression state information entries. The method comprises receiving a request for data from a communicating party; retrieving the data; identifying, for use in compressing the data, at least two compression state information entries shared between the parties to the communication;... Agent: Borden Ladner Gervais LLP Anne Kinsman

20080298458 - Method and apparatus for communicating compression state information for interactive compression: A method and system are provided for interactive data compression using shared compression state information. Compression state information provides assistance in the compression of the data being transmitted between two communicating parties.... Agent: Borden Ladner Gervais LLP Anne Kinsman

20080298457 - Relay device and signal decoding device: There is provided a relay device capable of simultaneously transmitting various additional information such as audio information, character information, and image information while suppressing the communication cost and the line use ratio without increasing the calculation cost in the decoding process. The relay device includes an encoded information analysis unit... Agent: Dickinson Wright PLLC

20080298462 - Decoding circuit for flat panel display: The present invention relates to a decoding circuit for a flat panel display, and more particularly to a decoding circuit for a flat panel display wherein a miniaturization is possible by reducing an area of the circuit. There is provided a decoding circuit comprising: a first decoder for selecting a... Agent: Sherr & Vaughn, PLLC

20080298460 - Method and apparatus for spatial scalable compression of a video stream: The invention provides a method of spatial scalable compression of video stream. The video stream is a stream having a resolution higher than a specified resolution. Firstly, the video stream is down-sampled and encoded to obtain a base stream; then the base stream is decoded and up-sampled to obtain a... Agent: Philips Intellectual Property & Standards

20080298461 - Video signal processing apparatus, display apparatus and video signal processing method: A video signal processing apparatus and method and a display apparatus are provided. The video signal processing apparatus includes: an input unit through which a video signal is input; a signal processing unit which processes the video signal input through the input unit, wherein signal processing unit encodes the video... Agent: Sughrue Mion, PLLC

20080298463 - System, method, and computer-readable medium for reducing required throughput in an ultra-wideband system: A system, method and computer-readable medium for reducing the required throughput in an ultra-wideband system is provided. A temporal sub-sampling routine limits the number of frames, or portions thereof, to be transmitted to a sink over an RF link. The temporal sub-sampling routine may have a fixed, or static, sub-sampling... Agent: Haynes And Boone, LLP

20080298465 - Encoding control apparatus, encoding control method, and storage medium: An encoding control apparatus is disclosed that includes a variance calculation unit configured to calculate a variance of an encoding target macroblock; a sum-of-absolute-difference calculation unit configured to calculate a sum of absolute differences between the encoding target macroblock and a reference macroblock; a setting unit configured to set, based... Agent: Canon U.s.a. Inc. Intellectual Property Division

20080298466 - Fast detection and coding of data blocks: A method of encoding a block of data. A first plurality of data in the block of data is assigned a worth based on a first algorithm. A second plurality of data, which is lower in frequency than the first plurality of data, in the block of data is assigned... Agent: Shemwell Mahamedi LLP

20080298464 - Process and arrangement for encoding video pictures: Today's video codecs require the intelligent choice between many coding options. This choice can efficiently be done using Lagrangian coder control. But Lagrangian coder control only provides results given a particular Lagrange parameter, which correspond to some unknown transmission rate. On the other hand, rate control algorithms provide coding results... Agent: Joseph J. Laks Thomson Licensing LLC

20080298468 - Error tagging for decoder: Systems, devices, processors, and methods are described for tagging the reliability of received data. A frame of data is received in a digitized version of a wireless signal may be received and stored in a frame memory table. Errors within the stored portion of the frame may be searched for... Agent: Townsend And Townsend And Crew, LLP

20080298467 - Method and a device for supplying a decoder with data: A method and a device for supplying a decoder with data stream such as compressed video signal including both non-predictive and predictive data frames of a common data type. A device comprising a decoder for service data is provided with (1012, 1020) a specific frame that is a predictive frame... Agent: Mcdermott Will & Emery LLP

20080298469 - Bitrate reduction techniques for image transcoding: This disclosure describes techniques for encoding data to compress image data to a reduced size. The techniques may be particularly effective in transcoding an image to a reduced size for transmission. An encoding device may transcode an image to an acceptable file size using bitrate control techniques that affect the... Agent: Qualcomm Incorporated

20080298470 - Video error detection technique using a crc parity code: Detection of errors in a video stream occurs by calculating an error detection code, such as a Cyclic Redundancy Check (CRC) code over a group of not more than N macroblocks in a slice of the stream prior and after transmission, where N is an integer greater than zero but... Agent: Joseph J. Laks Thomson Licensing LLC

20080298471 - Apparatus and method for processing information: An inverse wavelet transformer causes a level-graded buffer to store one of two lines of coefficient data generated through a synthesis filtering operation. In order to adjust an output timing of image data, the inverse wavelet transformer causes an output buffer to store temporarily the other line of the two... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080298473 - Methods for parallel deblocking of macroblocks of a compressed media frame: This invention relates to methods for the parallel deblocking of macroblocks of a compressed media frame, such as a frame from a compressed video stream, to smooth out artifacts and discontinuities caused by the compression of the media. These methods for parallel deblocking of a frame having a plurality of... Agent: Venture Pacific Law, PC

20080298472 - Throughput performance when applying deblocking filters on reconstructed image frames: Improving throughput performance when applying deblocking filters on reconstructed image frames. In one embodiment, an image frame received in the form of a set of values in encoded format is decoded to form a second set of values representing a reconstruction of the image frame in a decoded format. The... Agent: Texas Instruments Incorporated

20080298474 - Distributed iterative decoding for co-operative diversity: A source sends an encoded data block during a first time interval to a destination and to a relay. The source sends additional parity bits for the encoded data block during a second time interval. The relay partially decodes that encoded data block to a process-defined end point (typically only... Agent: Harrington & Smith, PC

20080298476 - Apparatus for all-digital serializer-de-serializer and associated methods: An all-digital serializer-de-serializer includes an all-digital clock multiplier unit (CMU) circuit, an all-digital clock and data recovery (CDR) circuit, a multiplexer (MUX), and a demultiplexer (DeMUX). The all-digital clock and data recovery (CDR) circuit couples to the all-digital clock multiplier unit (CMU) circuit. The multiplexer (MUX), couples to all-digital clock... Agent: Law Offices Of Maximilian R. Peterson

20080298475 - Circuit and method for baseline wandering compensation: A circuit and a method for baseline wandering compensation for solving the problem of baseline wandering in receivers of a communication system are provided. Two paths of baseline wandering compensation are provided on the basis of a slicer error. One of the paths adjusts a direct current (DC) bias of... Agent: J C Patents, Inc.

20080298488 - Allocation of block spreading sequences: A transmission of information from a secondary to a primary node occurs in a plurality of N logical time durations. The transmission from the secondary to primary node in a wireless network is obtained using a first and a second sequence. Embodiments of the present invention mitigate interference by restricting... Agent: Texas Instruments Incorporated

20080298491 - Apparatus and method for detecting signal based on qr-decomposition in multiple input multiple output wireless communication system: An apparatus and a method are provided for detecting N number of TX signals in a MIMO wireless communication system. The apparatus includes an RF processor, a channel estimator, and a signal detector. The RF processor converts signals, received through multiple antennas, into baseband signals. The channel estimator estimates channel... Agent: Docket Clerk

20080298485 - Apparatus and method for determining positions of pilot sub-carries in an ofdm symbol: Techniques for determining positions of pilot sub-carries in a received OFDM symbol are described. Components of pilot sub-carries from a theoretical OFDM symbol are extracted to form M theoretical pilot sequences according to M possible distributions in frequency domain of the pilot sub-carries in the theoretical OFDM symbol. Components of... Agent: Silicon Valley Patent Agency

20080298492 - Apparatus and method for estimating channel in communication system supporting of dm/ofdma: Disclosed are an apparatus and a method for estimating a channel in a base station when using an Optional Partial Usage of Sub-Channels (OPUSC) mode in an uplink channel of a communication system supporting Orthogonal Frequency Division Multiplexing/Orthogonal Frequency Division Multiple Access (OFDM/OFDMA). In order to estimate the channel in... Agent: Townsend And Townsend And Crew, LLP

20080298490 - Apparatus and method for reducing peak to average power ratio in an orthogonal frequency division multiplexing system: A method for reducing a Peak to Average Power Ratio (PAPR) using reserved tones in a transmission apparatus of an Orthogonal Frequency Division Multiplexing (OFDM) communication system is provided. The method includes detecting a subcarrier spacing interval and the number of spaced symbols based on a predetermined pilot pattern upon... Agent: The Farrell Law Firm, P.C.

20080298483 - Apparatus and method for symbol alignment in a multi-point ofdm/dmt digital communications system: A multi-point communications system is set forth herein. The communications system comprises a head end unit disposed at a primary site and a plurality of receivers disposed at remote sites. The head end unit includes a transmitter for transmitting OFDM/DMT symbols over a predetermined number of bins across a transmission... Agent: Hamilton, Brook, Smith & Reynolds, P.C.

20080298480 - Asynchronous mimo-ofdm spatial covariance estimation: In general, in one aspect, the disclosure describes an apparatus that includes a sample averager to construct a preliminary estimate of a spatial covariance matrix from a received communications signal. A time-domain filter with Cholesky decomposition is used to decompose the preliminary estimate of the spatial covariance matrix into product... Agent: RyderIPLaw C/o Intellevate, LLC

20080298487 - Data processing apparatus and method: A data processing apparatus maps input symbols to be communicated onto a predetermined number of carrier signals of an Orthogonal Frequency Division Multiplexed (OFDM) symbol. The data processor includes an interleaver memory which reads-in the predetermined number of data symbols for mapping onto the OFDM carrier signals. The interleaver memory... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080298477 - Data transmission in a frequency division multiple access communication system: When a UE (102) determines that non-control data needs to be transmitted, the UE will receive a grant that comprises information identifying a resource block (RB) for transmissions by the UE. If the UE determines that the RB is also used for transmitting control data, it will know to transmit... Agent: Motorola, Inc.

20080298481 - Ic with mixed mode rf-to-baseband interface: An integrated circuit (IC) includes at least one baseband section, at least one radio frequency (RF) section, and an interface module. The interface module is operable to couple the at least one baseband section to the at least one RF section, wherein the interface module includes an analog interface module... Agent: Garlick Harrison & Markison

20080298484 - Method and apparatus for detecting transmit signals in receiver in multiple-input multiple-output communication system: A method and apparatus for detecting a transmit signal in a receiver in a multiple-input multiple-output (MIMO) system are provided. The method includes: dividing a constellation space into a plurality of sub-spaces, the constellation space being determined by a channel matrix, which indicates channel characteristics of the MIMO communication system,... Agent: Roylance, Abrams, Berdo & Goodman, L.L.P.

20080298489 - Method for estimating the characteristcs of ofdm signals: m

20080298486 - Multi-cell interference mitigation via coordinated scheduling and power allocation in downlink odma networks: A multi-cell Orthogonal Frequency-Division Multiple Access (OFDMA) based wireless system and method with full spectral reuse co-channel interference mitigation via base station coordination in a downlink channel includes a plurality of base stations configured to handle communications with mobile units. A central controller is configured to mitigate interference between base... Agent: Nec Laboratories America, Inc.

20080298482 - Multi-user mimo feedback and transmission in a wireless communication system: The present invention provides a method for feedback and transmission of multi-user (MU) multiple input multiple output (MIMO) in a wireless communication system. The method includes steps of selecting subset codebook or full code book based on traffic load of a base station, and broadcasting the selected codebook to user... Agent: Robert E. Bushnell

20080298479 - Orthogonal frequency division multiplexing transmitting and receiving method and device thereof: An orthogonal frequency division multiplexing (OFDM) transmitting apparatus including a signal processing unit, a subcarrier orthogonalization processing unit, and a transmitting unit is provided. The signal processing unit divides a received signal into several real parts and several corresponding imaginary parts. The subcarrier orthogonalization processing unit is coupled to the... Agent: Jianq Chyun Intellectual Property Office

20080298478 - Scalable vlsi architecture for k-best breadth-first decoding: In some embodiments, a device includes a multiple-input multiple-output (“MIMO”) decoder module coupled to a first log-likelihood-ratio (“LLR”) computing unit. The decoder module includes at least one processing unit and at least one sorting unit. The decoder module preferably uses a K-best breadth-first search method to decode data from MIMO... Agent: Texas Instruments Incorporated

20080298493 - N-candidate depth-first decoding: The problem outlined above may at least in part be addressed by N-Candidate Depth-First Decoding methods and systems that employ such methods. In some embodiments, the method includes receiving data representing a vector of receive signals detected by multiple receive transceivers; performing an N-candidate, depth-first search on the data to... Agent: Texas Instruments Incorporated

20080298494 - Methods and apparatus for improved utilization of air link resources in a wireless communications system: Methods and apparatus for improving the utilization of air link resources in a wireless communications system, e.g., an OFDM MIMO system, including a base station with multiple transmit antennas are described. Superposition signaling in the downlink is employed. The superimposed signal includes a first transform result signal and a second... Agent: Qualcomm Incorporated

20080298495 - Method and apparatus for generating corrected quadrature phase signal pairs in a communication device: A method and an apparatus (300) for generating corrected quadrature phase signal pairs in a communication device are provided. The apparatus (300) includes a quadrature phase generator (310), programmable delay elements (320, 330) and a control circuit (360). The programmable delay elements (320, 330) receive a quadrature phase signal pair... Agent: Motorola, Inc

20080298497 - Method and apparatus for transmitting and receiving uplink channel sounding reference signals in a wireless communication system: Provided is a method for transmitting an uplink Channel Sounding (CS) Reference Signal (RS) channel in a wireless communication system. The method includes transmitting symbols of the CS RS channel through an entire system band in a previously selected at least one of Long Blocks (LBs) constituting one time slot... Agent: The Farrell Law Firm, P.C.

20080298499 - Method for determining target type of control signals in multi-channel system: The present invention discloses a method for determining a target type of a plurality of control signals respectively transmitted via a plurality of channels in a multi-channel system. The method includes: receiving a plurality of first control signals simultaneously from the channels during a first time period; determining a control... Agent: North America Intellectual Property Corporation

20080298496 - Text encoding system and method: The invention provides a method of encoding a binary data message for transmission over a data network. The method comprises allocating consecutive six bit sequences from the binary data message to consecutive respective bytes of an encoded data message; adding a predetermined bias value to some or all of the... Agent: Townsend And Townsend And Crew, LLP

20080298498 - Transmitting apparatus, receiving apparatus, radio communication system, transmitting method, receiving method, communication method and program: A communication method for transmitting and receiving a coded signal is provided. In a transmitting end, the method holds (determines) control information for specifying an insertion position and an insertion amount to insert a redundant signal known to the receiving apparatus into an information data sequence, generates a coded signal... Agent: Dickstein Shapiro LLP

20080298500 - Systems, apparatus, and methods for performing digital pre-distortion with feedback signal adjustment: In an embodiment, a digital pre-distortion apparatus processes an input signal to produce a pre-distorted signal, and processes the pre-distorted signal to produce a feedback signal. The apparatus also rotates an adjustment gain by a gain rotation angle to produce a rotated adjustment gain, where the gain rotation angle is... Agent: Ingrassia Fisher & Lorenz, P.C. (fs)

20080298501 - Method and apparatus for distortion correction of rf amplifiers: A method of reducing distortion in the output of an amplifier is provided. The method comprises subtractively combining an error signals with the appropriate phase shift with input signals to be amplified. The error signal being generated by subtractively combining a fed-forward portion of the input signal with a portion... Agent: Freedman & Associates

20080298502 - Pilot structures for ack and cqi in a wireless communication system: Techniques for transmitting data and pilot for control information are described. In one aspect, a user equipment (UE) may spread a reference signal sequence with a first orthogonal sequence to obtain multiple pilot sequences. The UE may then send the multiple pilot sequences on multiple subcarriers in multiple symbol periods,... Agent: Qualcomm Incorporated

20080298505 - Hierarchical 8psk performance: A method and receiver systems for demodulating and decoding a hierarchically modulated signal, e.g. an 8PSK signal, are disclosed. An exemplary method includes demodulating and processing (502) the hierarchically modulated signal (202) to produce symbols (212) from the first modulation at the first hierarchical level, applying information (504) from a... Agent: The Directv Group, Inc. Patent Docket Administration

20080298504 - Signal receiving method for determining transmission format of input signal and related signal receiving circuit: The present invention discloses a signal receiving method for determining a transmission format of an input signal and a related signal receiving circuit. The signal receiving method includes: receiving the input signal; generating a signal detecting result corresponding to at least a signal transmission channel of a plurality of signal... Agent: North America Intellectual Property Corporation

20080298503 - Systems and methods for adaptive signal sampling and sample quantization for resource-constrained stream processing: Systems and methods for adaptive signal sampling and sample quantization for resource-constrained stream processing. Exemplary embodiments include a signal sampling and signal quantization method for a data stream from a ECG sensor into a pervasive device, the method including adaptively sampling the data stream, compressing data samples from the data... Agent: Cantor Colburn LLP-ibm Yorktown

20080298506 - Dynamic dc offset canceling apparatus and dynamic dc offset canceling method: The dynamic DC offset canceling apparatus includes: section 104 that detects dynamic DC offset in longest overlapping part sequences from the differences between the sampling values of a first longest overlapping part sequence and the sampling values of a second longest overlapping part sequence, the first longest overlapping part sequence... Agent: Greenblum & Bernstein, P.L.C

20080298507 - Electronic quadrature device: An electronic quadrature device is provided comprising at least one I signal path (I) and at least one Q signal path (Q); at least one first sigma-delta modulator (DSDMI) and at least one first digital/analog converter unit (DACI) arranged in the at least one I signal path (I); and at... Agent: Nxp, B.v. Nxp Intellectual Property Department

20080298508 - Receiver for estimating signal magnitude, noise power, and signal-to-noise ratio of received signals: An improved receiver and method estimate one or more parameters, such as amplitude and signal-to-noise ratio, of a received signal, such as an M-QAM or q-ASK signal. The amplitude of an M-QAM signal is estimated based upon known or ascertainable phase information regarding a plurality of transmitted symbols. The amplitude... Agent: Volpe And Koenig, P.C. Dept. Icc

20080298509 - Rf power transmission, modulation, and amplification, including embodiments for generating vector modulation control signals: Methods and systems for vector combining power amplification are disclosed herein. In one embodiment, a plurality of signals are individually amplified, then summed to form a desired time-varying complex envelope signal. Phase and/or frequency characteristics of one or more of the signals are controlled to provide the desired phase, frequency,... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20080298510 - Memory-saving method for generating soft bit values from an ofdm signal: Methods and receiver circuits for determining and employing decision boundary estimates for use in de-mapping QAM symbols in an OFDM receiver are disclosed. The disclosed methods efficiently use memory resources, while taking account of the frequency-selective and time-varying nature of the signal propagation. An OFDM receiver calculates a decision boundary... Agent: Coats & Bennett, PLLC

20080298512 - Data processing apparatus: A data processing apparatus includes a channel demultiplexing circuit, a bus, a memory controller and a memory. The channel demultiplexing circuit has a first delay circuit which delays first channel data only of multi-channel data by one cycle and outputs first delayed channel data, a second delay circuit which delays... Agent: Studebaker & Brackett PC

20080298511 - Soft-output demodulation apparatus and method: Provided is a soft-output demodulation apparatus and method having a relatively low complexity and capable of acquiring a channel reliability value to be inputted to an iterative decoder, in a digital communication system. The apparatus includes: a storage unit for pre-determining and storing opposite-bit nearest constellation points corresponding to constellation... Agent: Rabin & Berdo, PC

20080298513 - Adaptive sliding block viterbi decoder: An adaptive sliding block Viterbi decoder (ASBVD) includes forward and backward Viterbi processors, a state estimator and a control unit. The processors generate metrics of states and of transitions between the states associated with an encoder, based on encoded input information symbols received via a communications channel. Each processor includes... Agent: Buchanan, Ingersoll & Rooney PC

20080298514 - Method and apparatus for real-time pulse parameter estimator: A real-time pulse parameter estimator is disclosed herein. In one embodiment, an apparatus has pulse detection logic, an abnormal pulse filter, and a pulse parameter estimator. The pulse detection logic is operable to detect pulses and to record an arrival time of each detected pulse. The abnormal pulse filter is... Agent: Hickman Palermo Truong & Becker, LLP

20080298515 - Method and apparatus for implementing a digital signal quality metric: A method for detecting a digital radio signal includes the steps of receiving the digital radio signal including a series of symbols, developing a correlation waveform having a peak that corresponds to a symbol boundary, normalizing the correlation waveform, and calculating a peak value of the normalized correlation waveform, wherein... Agent: Pietragallo Gordon Alfano Bosick & Raspanti LLP

20080298516 - Integrated multi-sat lnb and frequency translation module: Systems and devices for receiving satellite signals are disclosed. A system in accordance with the present invention comprises a plurality of amplifiers, each amplifier in the plurality of amplifiers receiving the signals, a Frequency Translation Module, comprising a plurality of analog-to-digital converters, wherein each amplifier in the plurality of amplifiers... Agent: The Directv Group, Inc. Patent Docket Administration

20080298517 - Receiving apparatus, program and receiving method: A receiving portion for receiving a wireless signal generated on the basis of a baseband signal having either a predetermined frequency band or a baseband signal having any of partial frequency bands; a signal processing portion for generating the baseband signal; a band shifter for shifting the frequency band of... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080298518 - Automatic gain control unit of a receiver: An automatic gain control (AGC) circuit that includes an RF amplifier with first and second distinct active gain control regions, wherein a gain of the RF amplifier varies during operation in the active gain control regions... Agent: Mccracken & Frank LLP

20080298520 - High-speed multi-mode receiver: A data receiver is provided which is operable to receive a signal controllably pre-distorted and transmitted by a transmitter, to generate information for adjusting the pre-distortion applied to the signal transmitted by the transmitter, and to transmit the information to the transmitter. The receiver is further operable to perform adaptive... Agent: International Business Machines Corporation Dept. 18g

20080298519 - Receiver device: The enclosure of the receiver device is divided into an antenna vicinity enclosure 1 and a demodulation unit enclosure 2, which are connected by a single transmission cable. By disposing the antenna vicinity enclosure 1 in the vicinity of the antenna, the high frequency feeder cable drawn from the antenna... Agent: Oliff & Berridge, PLC

20080298521 - Interference suppression processing unit and a method of suppressing interference in wireless data communication: The interference suppression processing unit includes Na≧1 receiver paths to transmit respective Na≧1 received data sequences received from respective Na≧1 antennas, and a signal generation unit to generate K≧Na signal data sequences from the received data sequences. The interference suppression processing unit also includes K≧Na signal paths that each transmit... Agent: Eschweiler & Associates LLC

20080298522 - Method and apparatus for computing sir of time varying signals in a wireless communication system: A method and apparatus for correcting symbols of a common pilot channel (CPICH) to generate an accurate signal-to-interference ratio (SIR) estimate in a wireless communication system are disclosed. In one embodiment, a non-stationary mean of a group of the CPICH symbols is estimated, the CPICH symbols are delayed, and the... Agent: Volpe And Koenig, P.C. Dept. Icc

20080298523 - Reduced complexity sliding window based equalizer: Data estimation is performed in a wireless communication system using both oversampling and multiple reception antennas. A receive vector is produced for each antenna at a sampling interval which is a multiple of the chip rate of the received signal. A channel response matrix is produced for each antenna at... Agent: Volpe And Koenig, P.C. Dept. Icc

20080298524 - Interference suppression in a multicarrier receiver: A receiver uses knowledge of pilot symbols transmitted by a neighboring sector to reduce interference in a received data symbol. The received data symbol is transmitted on one or more data subcarriers in a first sector. Overlapping pilot symbols transmitted on overlapping pilot carriers in a second sector are determined... Agent: Coats & Bennett, PLLC

20080298525 - Method and arrangement for transferring synchronizing information: The invention relates to a method and arrangement for transferring synchronizing information in a data transmission system including modem connections. The arrangement according to the invention comprises a modulator (207) that is arranged to generate an analog signal (222) modulated by synchronizing information, the frequency spectrum of said signal being... Agent: Young & Thompson

20080298526 - Code controller: State Processor 11 of a Code State Configurator 1 detects the position in a state space of a desired code state Cs based on an inputted code phase amount K in chip units. Based on the result of detection, State Processor 11 performs processing for jumping the code state a... Agent: Edwards Angell Palmer & Dodge LLP

20080298527 - Direct digital frequency synthesizer with phase selectable interpolator: The disclosure relates to improved direct digital frequency synthesizers. A synthesizer in one embodiment is comprised of an accumulator that provides a phase signal and an interpolator having two or more interpolation polynomials. The polynomial that processes the phase signal is selected by comparing the phase signal to a threshold... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080298528 - Information processing apparatus and method of controlling the same: According to one embodiment, an information processing apparatus has a radio communications unit, and has a first mode in which communications are established at a first communication speed and a second mode in which communications are established at a second communication speed lower than the first communication speed, and includes... Agent: Knobbe Martens Olson & Bear LLP

20080298529 - Acquisition circuit for low chip rate option for mobile telecommunication system: A User Equipment (UE) receives and samples communication signals, where the communication signals have a time frame format, a transmission chip rate and a synchronization code associated with a time slot that includes a midamble that indicates a modulation of the synchronization code where a specified modulation of received synchronization... Agent: Volpe And Koenig, P.C. Dept. Icc

20080298530 - Data-dependent jitter pre-emphasis for high-speed serial link transmitters: In the context of high-speed serial links, data-dependent jitter compensation techniques performed using phase pre-distortion. Broadly contemplated is an expansion of the notion of pre-emphasis beyond conventional amplitude compensation of ISI, whereby phase pre-emphasis for compensating data-dependent jitter (DDJ) is introduced. DDJ can be addressed by exploiting the relationship between... Agent: Ference & Associates LLC

20080298531 - Methods and systems for communicating using transmitted symbols associated with multiple time durations: In at least some embodiments, a system may comprise one or more devices configurable to communicate according to a first protocol that permits interpretation of transmitted symbols associated with a first time duration. The system may further comprise one or more devices configurable to communicate according to a second protocol... Agent: Texas Instruments Incorporated

20080298532 - Audio clock regenerator with precisely tracking mechanism: In an HDMI system, the clock regenerator proposed by the HDMI specification may suffer external noise because the input clock of a phase lock loop circuit in a sink device of the HDMI system is too slow. This slow input clock causes the phase lock loop circuit unable to adjust... Agent: Baker & Mckenzie LLP Patent Department

20080298533 - Frequency synchronization: Systems and methods related to digital frequency locked looping to synchronize frequencies between the local signal from a local oscillator and a reference clock signal from a remote oscillator. A reference counter increments its count for every pulse in the reference clock signal. The value in the reference counter is... Agent: Valauskas & Pine LLC