Pulse or digital communications inventions 09/07

20070223563 - System and method for terrestrial high-definition television reception: An adaptive receiver is disclosed for optimally receiving and processing signals. The receiver utilizes one or more memory blocks to store groups of incoming symbols. The groups of symbols are processed by a channel estimation subsystem to determine channel characteristics. The receiver determines the appropriate demodulation and decoding strategy to... Agent: Mcandrews Held & Malloy, Ltd

20070223564 - Csalable video coding broadcasting: A method of processing an input signal (SG0) is described. The method involves receiving the input signal (SG0). Moreover, the method also involves processing the input signal (SG0) into a base stream (SG1) and one or more enhanced streams (SG2, SG3) wherein the base stream (SG1) includes basic signal information... Agent: Philips Intellectual Property & Standards

20070223565 - Decision feedback equalizer for code division multiplexed signals: A decision feedback equalizer (DFE) processes a signal having multiple code channels by filtering an error signal based on a difference between a received signal and an estimated received signal. The received signal is processed to recover data on each of the code channels and to generate an estimate of... Agent: Qualcomm Incorporated

20070223566 - Fast acquisition of a pilot signal in a wireless communication device: In a remote unit of a wireless communication system, the speed of acquisition, or reacquisition, of a pilot signal by a search engine is increased. PN space is divided into segments and a coarse search of each segment is performed using a set of “fast” search parameters. A set of... Agent: Qualcomm Incorporated

20070223567 - Preamble for synchronization: It is proposed a receiver comprising receiving means for receiving a preamble signal (26) that comprises a long PN sequence (33) being a combination of a plurality of short PN sequences (29, 30, 31,32), wherein said short PN sequences (29, 30, 31,32) are selected on the basis of their auto-correlation... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070223568 - Preamble for synchronization: A method and system for managing performance data of communication lines, such as digital subscriber lines, is disclosed. The method includes receiving from a remote used device an identifier for a particular communications line at a web server; initiating a real-time performance analysis of the line at a network end... Agent: Paul S Madan Madan, Mossman & Sriram, PC

20070223569 - Digital signal analysis program and waveform display apparatus: Selectable portions of a display on a display screen allow a user to select bits of a digital signal. A mode selection menu changes the bit selection to select bits in different ways. If an individual bit designation mode is selected, objects are displayed that correspond to the respective bits... Agent: Thomas F. Lenihan Tektronix, Inc.

20070223570 - Distortion compensating equalizer: A reception-signal adjusting unit adjusts a waveform of a digital reception signal so that amplitude is equally distributed on a positive side and a negative side. A digital filter unit adds a predetermined delay to an input signal by delay elements serially connected as many as taps, multiplies a delay-added... Agent: Birch Stewart Kolasch & Birch

20070223571 - Decision-feedback equalizer simulator: A Decision-Feedback Equalizer Simulator (“DFES”) for predicting a bit-error rate (“BER”) of a transmitted signal through a channel, wherein the transmitted signal includes a repeating pattern having a length of N bits and wherein the transmitted signal is sampled by a bit-error rate tester (“BERT”) that produces a BER value... Agent: Agilent Technologies, Inc. Legal Department, Dl 429

20070223572 - Method and system of pixel interleaving for improving video signal transmission quality in wireless communication: A wireless communication system for transmitting uncompressed video pixels from a transmitter to a receiver over a wireless channel is provided. The transmitter includes an interleaver that interleaves the video pixels into interleaved pixels, and an encoder that convolutionally encodes the interleaved pixels at the transmitter before transmission to the... Agent: Kenneth L. Sherman, Esq. Myers Dawes Andras & Sherman, LLP

20070223574 - System for transmitting a video stream over a computer network to a remote receiver: A method of and system for transmitting video images preferably allows a specially trained individual to remotely supervise, instruct, and observe administration of medical tests conducted at remote locations. This system preferably includes a source device, a transmitting device, and at least one remote receiving device. The transmitting device, and... Agent: Kendyl Roman

20070223577 - Scalable encoding device, scalable decoding device, and method thereof: There is disclosed a scalable encoding device capable of increasing the conversion performance from a narrow-band LSP to a wide-band LSP (prediction accuracy when predicting the wide-band LSP from the narrow-band LSP) and realizing a high-performance band scalable LSP encoding. The device includes a conversion coefficient calculation unit (109) for... Agent: Stevens, Davis, Miller & Mosher, LLP

20070223576 - System and method for accurate rate control for video compression: A method and system for encoding a video frame. The method includes grouping macroblocks of a video frame into a plurality of groups and determining a first encoding rate for at least one of the plurality of groups based on at least one quantization parameter value associated with the group.... Agent: Hewlett Packard Company

20070223573 - Method and apparatus for encoding/decoding a first frame sequence layer based on a second frame sequence layer: In one embodiment of a method of decoding a first frame sequence layer, at least one motion vector of an image block in a frame of the first frame sequence layer is determined based on a motion vector for an image block in a frame of a second frame sequence... Agent: Harness, Dickey & Pierce, P.L.C

20070223575 - Reference picture marking in scalable video encoding and decoding: A device, an encoding method, and a decoding method enable a separate marking of base representations and enhanced representations of key access units to save memory or to allow a better scalable video coding optimization. The encoding method of a sequence of original pictures to a sequence of access units... Agent: Foley & Lardner LLP

20070223579 - Method and system for coding and decoding information associated with video compression: A method and system for coding and decoding information associated with video impression is described. The video sequence is processed in a plurality of frames. Each frame of the plurality of frames is processed in a plurality of macroblocks. A prediction of an original video signal, which is a part... Agent: Qualcomm Incorporated

20070223580 - Methods and systems for refinement coefficient coding in video compression: A method for coding refinement coefficients in a signal-to-noise ratio (SNR) scalable enhancement layer of a compressed video sequence is disclosed. A video sequence is received. A prediction of an original video signal in a current frame is constructed from the video sequence. A residual signal is formed by subtracting... Agent: Qualcomm Incorporated

20070223583 - Data transmission apparatus and method: A data transmission apparatus comprises an estimation device to estimate a transmission condition of the transmission channel in the transmitter based on at least Jitter information or a packet loss rate obtained from the receiver, and a controller to change at least one of a bit rate of transmission data... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070223584 - Data transmission apparatus and method: A data transmission apparatus comprises an estimation device to estimate a transmission condition of the transmission channel in the transmitter based on at least Jitter information or a packet loss rate obtained from the receiver, and a controller to change at least one of a bit rate of transmission data... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070223582 - Image encoding-decoding system and related techniques: An image encoding-decoding system and related methods of operation includes an encoder for encoding a signal carrying a representation of an image and a decoder for decoding a signal carrying a representation of an image. The encoder comprising a first encoder for encoding a signal carrying a representation of an... Agent: Daly, Crowley, Mofford & Durkee, LLP

20070223581 - Motion compensating apparatus: Provided is a motion compensating apparatus that efficiently generates a motion-compensated pixel by reducing the amount of data to be transmitted from a multi frame memory storing reference pixel data, while minimizing an increase in the scale of a circuit. A motion compensating apparatus (100) includes: a motion compensation position... Agent: Wenderoth, Lind & Ponack L.L.P.

20070223578 - Motion estimation and segmentation for video data: In an encoder, an offset processor (307) generates picture elements with sub-pixel offsets for a picture element in a reference frame. A scan processor (309) searches a frame to find a matching picture element and a selection processor (311) selects the offset picture element resulting in the closest match. The... Agent: Philips Intellectual Property & Standards

20070223586 - Data transmission apparatus and method: A data transmission apparatus comprises an estimation device to estimate a transmission condition of the transmission channel in the transmitter based on at least Jitter information or a packet loss rate obtained from the receiver, and a controller to change at least one of a bit rate of transmission data... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070223585 - Video decoding apparatus and video decoding method: According to one embodiment, a video decoding apparatus decoding a video stream selectively generates one of an intra prediction image and an inter prediction image based on an encoding mode of a decoding object from the video stream and decoded images thereof, generates a residual decoded image based on a... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070223587 - Method for block matching-based motion estimation in video coding: Motion estimation is efficient to reduce redundant information among successive frames in video compression applications. The blocks in the current frame can be replaced with the neighboring blocks in the spatial directions in the previous frame with small errors. Many types of motion estimation methods such as Block matching algorithm... Agent: Nikolai & Mersereau, P.A.

20070223588 - Method of searching for a global motion vector: The present invention relates to a method of searching for a global motion vector associated with a picture of a video sequence, said method comprising the steps of computing (PROJ) projections of pictures (f) along a predetermined axis; determining (PRED) a prediction (vpred(k)) of a current global motion vector formula... Agent: Philips Intellectual Property & Standards

20070223589 - Spatial resolution conversion of image signal based on motion compensation: For spatial resolution conversion of an image signal, a magnitude of a motion vector is compared to a threshold value. Single channel interpolation is performed if the magnitude of the motion vector is greater than a threshold value, and multi-channel interpolation is performed otherwise. In addition, single channel interpolation is... Agent: Law Office Of Monica H Choi

20070223590 - System, apparatus, method, and computer program product for processing an integer transform: Systems, apparatuses, methods, and computer program products for processing a 2N×2N integer transform in image and video coding are provided. The 2N×2N integer transform involves a 2N×2N transform matrix, T2N×2N. The apparatus comprises a retrieval unit, a generator, and a calculation unit. The retrieval unit is used for retrieving elements... Agent: Patterson, Thuente, Skaar & Christensen, P.A.

20070223591 - Frame deblocking in video processing systems: A method and an apparatus are disclosed that seek to mitigate resource utilization during the video deblocking process of a video frame. The disclosed techniques are based on the observation that as long as the standardized filter order is preserved for those individual pixels that are filtered twice, such as... Agent: Demont & Breyer, LLC

20070223592 - Video steganography or encoding: The present invention relates generally to encoding data in video. One form of encoding is steganographic encoding. In one implementation a method is provided to encode video. The video includes a plurality of samples. The method includes: obtaining an N-bit data string to be encoded into the video, where N... Agent: Digimarc Corporation

20070223593 - Determination of data groups suitable for parallel processing: A system and method for identifying groups of data suitable for parallel processing. In one example embodiment, an algorithm traces boundaries around nodes in a two-dimensional data set by following dependencies between nodes. Groups within different boundaries are independent of one another and can be processed concurrently.... Agent: Groover & Holmes

20070223594 - Menu generation for mpeg compliant devices: An on-screen display is generated for an MPEG compliant receiver. Externally of the MPEG compliant receiver, an MPEG transport stream is accessed, first data in the accessed MPEG transport stream is replaced with second data that relates to the data to be provided in the on-screen display, and the MPEG... Agent: Zenith Electronics Corporation

20070223595 - Picture delimiter in scalable video coding: The use of a picture delimiter that is contained in a NAL unit type value that is reserved in the current AVC or SVC specification. The present invention provides the scalability information for the H.264/AVC base layer in such a manner that bitstreams remain decodable with H.264/AVC decoders. In addition,... Agent: Foley & Lardner LLP

20070223596 - Spurious motion filter: A filter for filtering out spurious motion from a sequence of video images, for use in video image signal processing to identify objects in motion in the sequence of video images. Spurious motion is chaotic, repetitive, jittering portions of an image that constitute noise and interfere with motion detection in... Agent: Siemens Corporation Intellectual Property Department

20070223597 - Chase algorithm based differential decoder for soft decision reed solomon decoding in a qam system: A novel apparatus and method of differential decoding for use in a communication system such as a cable system. The differential decoding mechanism of the present invention enables the use of the Chase algorithm for Reed Solomon (RS) codes (i.e. non-binary codes). The mechanism is well suited for use in... Agent: Texas Instruments Incorporated

20070223600 - Radio communication method and system for using pattern variation to identify pre-detection signal: A radio communication method and system for using pattern variation to identify a pre-detection signal is provided, which uses a transmitting end and a receiving end to execute communication. The transmitting end outputs a radio signal with the pre-detection signal, which includes at least a first transmitting waveform, a second... Agent: Bacon & Thomas, PLLC

20070223599 - Cellular pc modem architecture and method of operation: A cellular personal computer (CPC) modem architecture performs radio frequency (RF) processing at the CPC modem hardware level and some or all CPC modem baseband processing is carried out on a processor (CPU) of an electronic computing device.... Agent: Thelen Reid Brown Raysman & Steiner LLP

20070223598 - Resource adaptive spectrum estimation of streaming data: Streaming environments typically dictate incomplete or approximate algorithm execution, in order to cope with sudden surges in the data rate. Such limitations are even more accentuated in mobile environments (such as sensor networks) where computational and memory resources are typically limited. Introduced herein is a novel “resource adaptive” algorithm for... Agent: Ference & Associates LLC

20070223607 - Analog fourier transform channelizer and ofdm receiver: An OFDM receiver having an analog multiplier based I-Q channelizing filter, samples and holds consecutive analog I-Q samples of an I-Q baseband, the I-Q basebands having OFDM sub-channels. A lattice of analog I-Q multipliers and analog I-Q summers concurrently receives the held analog I-Q samples, performs analog I-Q multiplications and... Agent: Whitham, Curtis & Christofferson & Cook, P.C.

20070223609 - Communication method and communication apparatus: For transmitting predetermined information to a second communication station via a first communication station, the second communication station receives the predetermined information via one first communication station from among a plurality of the first communication stations. Upon transfer of a function of transferring the predetermined information to the second communication... Agent: Bingham Mccutchen LLP

20070223608 - Wireless communication apparatus: A wireless communication apparatus utilizing an orthogonal frequency division multiplexing communication method includes an antenna transmitting and receives a radio-frequency signal; a receiver frequency converter frequency-converting the radio-frequency signal into a baseband signal in accordance with a low-intermediate frequency method; an analog-to-digital converter converting the baseband signal into a digital... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070223611 - Communications apparatus and communications system using multicarrier transmission mode: A communications system for communications by a multicarrier transmission mode between a plurality of communications apparatuses (10, 20) wherein an overall frequency band assigned to the communications system is divided into a plurality of frequency bands each having a constant bandwidth (for example band 1 to band 4) and a... Agent: Bingham Mccutchen LLP

20070223605 - Method and apparatus for correcting sampler clock frequency offset in ofdm mimo systems: In an orthogonal frequency division multiplexed (OFDM) multiple-in multiple-out (MIMO) wireless communication system, a method for correcting sampler clock frequency offset in a receiver comprises acquiring the frequency offset and symbol timing in a received signal by the receiver. The estimated value of a fractional offset is computed, and a... Agent: Volpe And Koenig, P.C. Dept. Icc

20070223606 - Method and apparatus for interference mitigation in an ofdma-based communication system: A method and apparatus for mitigating inter-cell interference in an OFDMA-based wireless communication system is disclosed. The method includes the steps of, providing at least a frame in a base station to a plurality of mobile stations; dividing the frame into a plurality of subcarriers; assigning a demarcation line within... Agent: Akin Gump Strauss Hauer & Feld, LLP

20070223601 - Method of providing signal diversity in an ofdm system: A method and apparatus is provided for transceiving an information signal in an orthogonal frequency division multiplexed (OFDM) communication system that uses a plurality of radio frequency subcarriers modulated with the information signal and transceives the modulated plurality of radio frequency subcarriers through first and second antennas at a transmitter... Agent: Motorola, Inc.

20070223602 - Orthogonal frequency division multiplexing (ofdm) system receiver using low-density parity-check (ldpc) codes: Arrangements relating to an Orthogonal Frequency Division Multiplexing (OFDM) receiver (200) can include performing at least one Low-Density Parity Check (LDPC) decoding attempt on a received signal (725) and evaluating at least one parity check for each LDPC decoding attempt (735). Failed LDPC decoding attempts can be counted according to... Agent: Motorola, Inc.

20070223610 - Sparse channel estimation for orthogonal frequency division multiplexed signals: A computationally efficient channel estimation technique for use within an orthogonal frequency division multiplexing (OFDM) communication system determines coefficients of a channel transfer function by calculating the dot products of a pilot vector and a plurality of interpolation vectors. One dot product is preferably calculated for each subcarrier of interest... Agent: Schwegman, Lundberg, Woessner & Kluth, P.A.

20070223604 - Wireless terminal and communication system switching method: A wireless terminal 100A is compatible with an OFCDM system and has a signal processing section 151, a synchronous detection section 162, etc. The signal processing section 151 performs Fourier transform when the wireless terminal is compatible with the OFCDM system; the signal processing section 151 performs Fourier transform and... Agent: Pearne & Gordon LLP

20070223603 - Wireless terminal apparatus, control method for wireless base station and control method for wireless terminal apparatus: The present invention provides a wireless terminal apparatus, including a reception unit for receiving a multi-carrier signal generated by applying an N-point (where N is a natural number) inverse fast Fourier transform (IFFT) to a plurality of sub-carriers to which transmission information for a plurality of wireless terminal apparatuses is... Agent: Bingham Mccutchen LLP

20070223612 - Apparatus, systems and methods for producing coherent symbols in a single frequency network: A system, method, apparatus and computer code are provided for producing coherent symbols from digital RF transmitters. A receiver receives a first initialization packet containing a plurality of stuff bytes and Trellis coders are deterministically initialized using the first initialization packet.... Agent: Fitzpatrick Cella Harper & Scinto

20070223613 - Viberbi decoding quality indicator based on sequenced amplitude margin (sam): A system for generating a quality indicator for a trellis decoded signal based on the path metrics of the decoding is presented. An apparatus comprises a path metric processor (105) which determines path metric differences between two path metrics entering a state of a trellis decoder 103. A measured distribution... Agent: Philips Intellectual Property & Standards

20070223617 - Multi-port-based mimo antenna receiver: An multi-port based MIMO antenna receiver is designed to remove signal interferences occurring among MIMO antennas in the use. In the MIMO antenna receiver, a multi-port unit is connected to MIMO antennas, and a signal interference remover receives receipt signals from the MIMO antennas through the multi-port unit and adds... Agent: Lowe Hauptman Berner, LLP

20070223619 - Apparatus and method for feeding back information on channel state for scheduling in multiple antenna system: An apparatus and method for controlling amount of information to be fed back in a multiple antenna system in a multi-user environment. The apparatus includes a channel estimator which estimates channel values by using an input signal; a Singular Value Decomposition (SVD) operator which decomposes singular values from the estimated... Agent: The Farrell Law Firm, P.C.

20070223618 - Apparatus and method for transmitting/receiving signal in a communication system using multiple input multiple output scheme: An apparatus for transmitting a signal in a Multiple Input Multiple Output (MIMO) communication system includes determining transmission antennas to be used by a signal transmission apparatus depending on channel quality information received from a reception apparatus, encoding an input information data stream into a codeword using a coding scheme,... Agent: The Farrell Law Firm, P.C.

20070223614 - Common time frequency radio resource in wireless communication systems: A wireless communication network (100) wherein a network entity assigns one or more symbol vectors to each of a plurality of communication entities in the network for substantially simultaneous communication on a common time frequency radio resource also assigned to the plurality of communication entities. The vectors assigned to the... Agent: Motorola Inc

20070223616 - Radio communication apparatus and radio communication system: A radio communication apparatus that can more precisely grasp, in a case of using a plurality of antenna elements to receive radio signals, the reception qualities of the respective antenna elements to improve the error rate of received signals. In the apparatus, a lower-order bit likelihood extracting part (107) extracts,... Agent: Stevens, Davis, Miller & Mosher, LLP

20070223615 - Transceiver interface architecture: A transceiver interface architecture where the same RF transceiver can be used in wireless devices that support any number of standards, with or without receive diversity implementation. Each input port of the RF transceiver can be shared by a number of input signals, which effectively expands the number of available... Agent: Borden Ladner Gervais LLP

20070223620 - System and method for broadcasting data over a wireless network: A system and method for broadcasting content data to a plurality of mobile devices is disclosed. The content data may be video, image, or audio data, for example. The content data is arranged into data blocks, and each data block is broadcast using an initial set of rateless transmission symbols.... Agent: Kyocera Wireless Corp.

20070223621 - Method and apparatus for signal power ramp-up in a communication transmission: A method and apparatus for signal power ramp-up in a communication transmission. Payload data is identified for transmission. A power reference signal is determined for transmission prior to the payload data. The power reference signal and the payload data are combined to form a data burst for transmission. The combined... Agent: Tyco Technology Resources

20070223622 - Apparatus and method for transmitting/receiving a signal in a mobile communication system using a multiple-input multiple-output scheme: In a communication system, a signal transceiver generates an upper pre-encoding symbol stream and a lower pre-encoding symbol stream by pre-encoding an upper transmission vector and a lower transmission vector according to a pre-encoding scheme when the upper and lower transmission vectors to be transmitted are input. The signal transceiver... Agent: The Farrell Law Firm, P.C.

20070223625 - Programmable hybrid transmitter: A programmable hybrid transmitter includes a baseband processing module, an up-conversion module, and a power amplifier circuit. The baseband processing module is coupled to convert outbound data into a complex signal when the programmable hybrid transmitter is in a first mode and to convert the outbound data into a normalized... Agent: Garlick Harrison & Markison

20070223624 - Transmitter with continuous phase and amplitude processing: A transmitter includes a conversion module, a modulation parameter module, first and second up-conversion modules, a combining module, and a power amplifier circuit. The conversion module is coupled to convert a wireless protocol formatted signal into a normalized in-phase (I) symbol and a normalized quadrature (Q) symbol. The modulation parameter... Agent: Garlick Harrison & Markison

20070223623 - Hybrid radio frequency transmitter: A hybrid transmitter includes first and second up-conversion modules, a combining module, and a power amplifier circuit. The first up-conversion module is operably coupled to generate a first up-conversion signal based on a normalized in-phase (I) symbol, an in-phase local oscillation, and phase or frequency information. The second up-conversion module... Agent: Garlick Harrison & Markison

20070223626 - Dynamic analog power management in mobile station receivers: Methods and systems for communicating in a wireless network include adjusting power consumption of an analog portion of a receiver in a mobile device based on the needs of the mobile device. In one example, either the gain or noise figure of the low noise amplifier (LNA) in the receiver... Agent: Intel Corporation C/o Intellevate, LLC

20070223627 - Joint drm am simulcast encoder and transmitter equalizer: The present invention relates to a signal estimation apparatus, a signal deviation estimation apparatus, a signal pre-transmission preparation apparatus and a simulcast broadcasting system as well as corresponding methods and a corresponding computer program product. In particular, the present invention relates to the above, wherein a predetermined non-linearity, e.g. for... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070223628 - Channel equalizer and method of processing broadcast signal in receiving system: A channel equalizer for use in a receiving system includes an overlap unit, a first estimator, an interpolator, and a second estimator. The overlap unit overlaps a group of normal data packets including a head, a body, and a tail, and a known data region is periodically repeated in the... Agent: Lee, Hong, Degerman, Kang & Schmadeka

20070223629 - Viterbi pack instruction: A Viterbi pack instruction is disclosed that masks the contents of a first predicate register with a first masking value and masks the contents of a second predicate register with a second masking value. The resulting masked data is written to a destination register. The Viterbi pack instruction may be... Agent: Qualcomm Incorporated

20070223631 - Comparative signal strength detection: A method for signal strength detection begins by comparing a signal strength representation of a signal with a signal strength representation of a reference signal. The method continues by adjusting, when the signal strength representation of the signal compares unfavorably with the signal strength representation of the reference signal, at... Agent: Garlick Harrison & Markison

20070223630 - Receiver and method having envelope compensation signal: In some embodiments, methods and apparatus to reduce nonlinearity in a receiver are generally described herein. Other embodiments may be described and claimed.... Agent: Schwabe, Williamson & Wyatt, P.C.

20070223633 - Non-overlapping multi-stage clock generator system: A multi-stage non-overlapping clock signal generator as described herein is suitable for use with a pipelined analog-to-digital converter architecture. The clock signal generator generally includes a back end clock generator, a second stage clock generator, and a first stage clock generator coupled in series. The clock signal generator may also... Agent: Ingrassia Fisher & Lorenz, P.C. (fs)

20070223632 - System and method for signal alignment when communicating signals: A method and system are provided for aligning signals in a communication system. The method and system include alignment logic or functionality configured to compensate for signal propagation discrepancies when communicating signals between one or more other devices. The alignment logic may operate to adjust one or more communicated signals,... Agent: Courtney Staniford & Gregory LLP

20070223634 - Method and apparatus for high resolution measurement of signal timing: A phase measurement system for measuring a phase difference between an input signal and a reference signal, comprises: a phase comparator having a first input receiving a first sample of the input signal and a second sample of the input signal and having a second input receiving a clock derived... Agent: Lowrie, Lando & Anastasi

20070223635 - Information delivery system and method, its information delivery apparatus, receiving terminal, and information relay apparatus: When information 1000 for restricting a candidate program which becomes a subject of service is input to a receiving terminal 10, a transmitter 20 delivers a head sequence data group 1004 of a sequence included in the candidate program to the receiving terminal 10 in a non-real time manner. The... Agent: Ostrolenk Faber Gerb & Soffen

20070223637 - Phase detector: A phase detector is described, comprising a pair of output-latched half-transparent (OLHT) module each receiving two input terminals with an inverse connection relationship with respect to two input signals as compared to each other, wherein each OLHT module of the pair comprises two stages of logic operation unit connected in... Agent: Birch Stewart Kolasch & Birch

20070223636 - Phase detector device and method thereof: A device and method for phase detection are disclosed. The device includes a phase differential module that provides a phase difference signal based on the phase difference between a data signal and a reference signal. The phase difference signal is provided to a first gate of a multi-gate fin-type field... Agent: Larson Newman Abel Polansky & White, LLP

20070223638 - Isophase multiphase clock signal generation circuit and serial digital data receiving circuit using the same: (Means for Solving the Problems) In an isophase multiphase clock signal generation circuit according to the present invention, an input clock signal is converted into a ½-frequency-divided complementary clock signal and then is input to a complementary voltage controlled delay device array. The input clock signal is ½-frequency-divided, and therefore... Agent: Heller Ehrman LLP

20070223639 - Phase-locked loop: A phase-locked loop for adjusting a phase difference between an output signal and an input signal, comprising a phase detector for generating a phase difference signal depending on a phase difference between said output signal and a phase-shifted input signal, a calculator for calculating a signal depending on said phase... Agent: Jenkins, Wilson, Taylor & Hunt, P. A.

20070223640 - Sample rate converter: A system and method for determining a clock rate of a digital phase lock loop is disclosed. The system includes a first input to receive a first clock signal, an output to provide a second clock signal, and a dividerless initial clock rate determination module to calculate an initial clock... Agent: Toler Schaffer, LLP

20070217482 - Device and method for ultrawideband reception using a super-regenerative detector: Receiver and reception method of receiving pulsed ultrawideband radio-frequency signals employ an amplification phase, an oscillation phase sensitive to an instability control signal, a shaping phase, and a demodulation phase, and further including an adaptation control step for adapting the receiver or the reception method to the type of signals... Agent: Brinks Hofer Gilson & Lione

20070217481 - Methods, circuits, and systems for generating delayed high-frequency clock signals used in spread-spectrum clocking: A method of generating a spread-spectrum clock signal includes delaying a high frequency clock signal to provide a plurality of delayed high frequency clock signals selected among to provide a spread-spectrum clock signal for a synchronous system.... Agent: Myers Bigel Sibley & Sajovec

20070217483 - Spread spectrum block control apparatus and spread spectrum clock generating apparatus: A phase interpolator receives an input clock signal and varies the phase of an output clock signal in accordance with a phase control signal. An SSC controller, which generates the phase control signal applied to the phase interpolator, includes a pre-divider for outputting a frequency-divided clock obtained by frequency-dividing the... Agent: Foley And Lardner LLP Suite 500

20070217484 - Method for decoding digital data in a frequency hopping communication system: An improved method is provided for decoding data in a frequency hopping communications system. The method includes: monitoring transition points between data bits in a demodulated data stream, where the data bits are transmitted to a receiver over different transmission frequencies; determining a frequency over which data bits are transmitted... Agent: Harness, Dickey & Pierce, P.L.C

20070217485 - Frequency-division multiplexing transceiver apparatus, wave-number-division multiplexing transceiver apparatus and method: A frequency-division multiplexing transmission apparatus for transmitting data in a frequency spectrum specific to both symbol and mobile station, is disclosed. The apparatus encodes transmission data, modulates the encoded data, compresses the time domains of each symbol of the modulated transmission-symbol sequence, repeats the symbols a specified number of times,... Agent: Katten Muchin Rosenman LLP

20070217486 - Low i/o bandwidth method and system for implementing detection and identification of scrambling codes: A system for detecting and identifying the identity of a base station or cell which transmits a scrambling code is provided. According to one aspect of the system, the system is used to perform scrambling code detection of eight (8) primary cells (each scrambling code's X-component being spaced sixteen (16)... Agent: Nixon Peabody, LLP

20070217487 - Data transfer between several transmitters and one receiver: The present is a description of a method for transferring data between at least two transmitters and one receiver having repeatedly transferring first identical data from a first one of the transmitters to the receiver in a first sequence and repeatedly transferring second identical data from a second one of... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070217488 - Method and device for processing an incident signal received by a full-duplex type device: A correction signal is generated by applying an adjustable gain/attenuation value and an adjustable phase value to a transmission signal sampled on the transmission channel after the transmission frequency transposition. The correction signal is subtracted from the signal present on the receive channel before performing the receiver frequency transposition. Digital... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20070217492 - Configuring transmission signals: Included are embodiments for reducing interference in a communications network. At least one embodiment of a method includes receiving data related to an updated Power Spectral Density (PSD) mask and processing a first Seamless Rate Adaptation (SRA) request. Some embodiments include processing a second Seamless Rate Adaptation request and implementing... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20070217491 - Dmt symbol repetitioin in the presence of impulse noise: With the current initialization procedures defined in the VDSL and ADSL standards, even though the xDSL system could operate in Showtime in an impulse noise environment where symbols are being corrupted, the transceivers would not be able to reach Showtime because initialization would fail due to initialization message failure. Through... Agent: Sheridan Ross P C

20070217489 - Hitless modem pool expansion at steady state: In a communications system having a first modem transmitting via a communications channel, a method for adding a second modem, the method including learning crosstalk caused by transmissions from the first modem to the second modem while the second modem is in a transmitting state insufficient to cause crosstalk interference... Agent: Daniel J Swirsky

20070217490 - Modem: An apparatus and method for processing a high data rate signal are disclosed. The apparatus includes a plurality of data processing units and a switching arrangement to repeatedly switch a received high first data rate signal between inputs of the plurality of data processing units on a time division basis.... Agent: Kenyon & Kenyon LLP

20070217493 - Authentication of identification documents: Security of photographic identification documents is enhanced by embedding within the photographic image encoded information that may be correlated to other information pertaining to the individual represented by the image, such other information being, for example, printed on the document adjacent to the photograph.... Agent: Digimarc Corporation

20070217495 - Apparatus and method for measuring sinr in mobile communication system using preambles: Apparatus and method for measuring an SINR in a mobile communication system using preambles. Calculated are an average noise power using a CP of an RX signal, a signal power of a serving segment, an average power of the serving segment, and an interference power of the serving segment, an... Agent: The Farrell Law Firm, P.C.

20070217494 - Device and method for judging communication quality and program used for the judgment: There is disclosed technical means for effectively judging a communication quality in a communication system. A communication device generates a four-value FSK symbol by adding a redundant bit to a bit of the most important part of encoded audio data. The symbol containing the redundant bit is set so that... Agent: Eric Robinson

20070217496 - Colored noise detection algorithms: This invention provides colored noise detection algorithm(s). This colored noise detection algorithm(s) may be implemented with a multi-branch equalizer processing module that enables interference cancellation when colored noise is associated with received radio frequency (RF) bursts. The noise discriminator identifies when the radio frequency (RF) bursts have white noise or... Agent: Garlick Harrison & Markison

20070217497 - Fir filter: A necessary number of initial stage element circuits, intermediate stage element circuits, and final stage element circuits are connected in cascade and combined in parallel arrangement simultaneously. The partial sum output data on the element circuits is synchronized with the inner partial sum data. In this way, it is possible... Agent: Klarquist Sparkman, LLP

20070217498 - Transmission circuit for a transponder system used for transmitting a digital signal via a transmit antenna: The invention relates to a transmission circuit for a transponder system used for transmitting a digital signal via a transmit antenna for radio waves having a predefined carrier frequency, e.g. to be utilized for keyless access control systems in motor vehicles. In order to be able to operate said transmission... Agent: Continental Teves, Inc.

20070217499 - Robust dtv signals that can overcome burst errors up to 1040 bytes or more in length: Electromagnetic signals for transmitting television and other information more robustly have amplitudes modulated in accordance with a digital signal generated by convolutional interleaving and trellis coding of segments of successive data fields, each of which segments contains a prescribed number of bytes. In improvements of these signals, respective fractional portions... Agent: Allen Leroy Limberg, Esq.

20070217501 - Surveillance system with digital tape cassette: A video surveillance system in which the compressed video is written to a digital tape cassette. The tape cassette includes an EEPROM, which holds directory information relating to the location of particular video on the tape, the identity of the tape, the identity of the video, and other key information... Agent: Patton Boggs LLP

20070217500 - Encoding method for skipped macroblocks in video image: The present invention provides an encoding method for skipped macroblocks in a video image comprising the steps of: adding one indication bit into a picture header for indicating a coding mode for skipped macroblocks in a current image; selecting the coding mode for a macroblock type in the current image... Agent: Foley And Lardner LLP Suite 500

20070217504 - Image processing apparatus employing hierarchical encoding: When image data to be encoded is divided into image data items in a plurality of hierarchies and an image data item in a given hierarchy among the divided image data items in the plurality of hierarchies is to be encoded as an intra picture, an image encoding apparatus and... Agent: Frommer Lawrence & Haug

20070217505 - Adaptive decoding of video data: The invention relates to the field of data processing, for processing a stream of data comprising video data, the video data comprised in a sequence of frames. Typically, the data also comprises audio data, and optionally further multimedia data such as data relating to interactive functionality. The invention provides a... Agent: Sheridan Ross PC

20070217508 - Apparatus and method for coding moving pictures: The apparatus includes: orthogonal transforming means for orthogonally transforming an input video signal for each element block, quantizing means for quantizing each obtained transformation coefficient using a quantization parameter; coding means for coding the quantization parameter; decoded picture generating means for generating a reference picture signal for a motion compensation... Agent: Staas & Halsey LLP

20070217507 - Video coding apparatus: A video coding apparatus carries out a compression coding of a video based on a result of predicting a motion vector predicted between frames of the video. A quantization parameter control unit comprised of the apparatus calculates a ratio of an accumulation value, in the small block, of a prediction... Agent: Staas & Halsey LLP

20070217506 - Soft decision and iterative video coding for mpeg and h.264: A method of encoding video data using soft decision quantization makes use of iterative encoding to provide the ability to optimize encoding across different functional elements in a hybrid video encoder. Iterative encoding is used to allow quantization step size, motion prediction and quantization levels to be optimized despite their... Agent: Borden Ladner Gervais LLP

20070217503 - Scalable video coding/multiplexing compatible with non-scalable decoders: Scalable video coding and multiplexing compatible with non-scalable decoders is disclosed. In some embodiments, video data is received and encoded in a manner that renders at least a base layer to be compatible with a non-scalable video encoding standard, including by assigning for at least the base layer default values... Agent: Kenyon & Kenyon LLP

20070217502 - Switched filter up-sampling mechanism for scalable video coding: An improved switched filter up-sampling mechanism for scalable video coding. A filter switching mechanism of the present invention takes advantage of the best performance of each of the filters in a collaborative manner. The switching process of the present invention can be generalized to more filter choices and potentially relieve... Agent: Foley & Lardner LLP

20070217509 - Method and apparatus for detecting chroma field motion in a video signal: A method and apparatus for blending a video signal responsive to a chroma motion result is disclosed. The method and apparatus are configured to determine whether any chroma motion exists within the video signal and providing the chroma motion result, to provide a first blending signal based on the chroma... Agent: Lowrie, Lando & Anastasi

20070217510 - Video coding method, video coding apparatus and video coding program: The present invention provides a video coding method which includes, as one of a plurality of coding modes, a direct mode generating a piece of motion information of each of Macro Blocks, which are obtained by dividing a first picture, by predicting from motion information of a coded Macro Block... Agent: Staas & Halsey LLP

20070217513 - Method for coding video data of a sequence of pictures: e

20070217514 - Adaptive motion estimation: Some embodiments of the invention provide a method of performing motion estimation for an array of image values obtained from a current image. The method starts with an initial estimate of the motion of the current image. The method then determines whether the initial estimate of the motion of the... Agent: Adeli Law Group, A Professional Law Corporation

20070217511 - Method and system for motion estimation with multiple vector candidates: A method and system for performing motion estimation for a frame associated with a video signal. The method includes receiving at least a reference frame, a first frame, and a second frame, and providing a first plurality of vectors. The first plurality of vectors intersects the first frame within a... Agent: Townsend And Townsend And Crew, LLP

20070217512 - Picture encoding method and picture encoding device: In order to reduce a processing amount and an increase of a coding amount, which result from generation of a large number of motion vectors due to bi-directional prediction selected for a small-sized part, a motion estimation unit (112) selects the optimal prediction method from prediction method candidates decided by... Agent: Wenderoth, Lind & Ponack L.L.P.

20070217515 - Method for determining a search pattern for motion estimation: A method for determining a search pattern for use in fractional motion estimation for video compression includes selecting a search center within a current macroblock; selecting a plurality of search points forming a half-pel search pattern surrounding the search center, and further selecting another search point at the search center;... Agent: North America Intellectual Property Corporation

20070217516 - Uni-modal based fast half-pel and fast quarter-pel refinement for video encoding: A method of half-pixel interpolation and quarter-pixel interpolation are adapted for reducing the impact of aliasing within motion estimation. To estimate a motion vector with quarter-pixel accuracy more efficiently, the improved method is able to skip checking certain points using the uni-modal assumption. In an embodiment, a diamond based refinement... Agent: Jonathan O. Owens Haverstock & Owens LLP

20070217517 - Method and apparatus for determining motion between video images: An apparatus (40) for determining motion between a first and second video image comprising means for receiving a first video image comprising a plurality of pixels, means for selecting a block of pixels within the first video image (48), means for receiving a second video image comprising a plurality of... Agent: Flynn Thiel Boutell & Tanis, P.C.

20070217518 - Video and graphics system with an mpeg video decoder for concurrent multi-row decoding: A video and graphics system processes video data including both analog video, e.g., NTSC/PAL/SECAM/S-video, and digital video, e.g., MPEG-2 video in SDTV or HDTV format. The video and graphics system includes a video decoder, which is capable of concurrently decoding multiple SLICEs of MPEG-2 video data. The video decoder includes... Agent: Mcandrews Held & Malloy, Ltd

20070217519 - Moving image decoding apparatus and moving image coding apparatus: A data storage unit (103) stores an image frame in which an image frame which consists of coded data having a data loss or error received by a receiving unit (100) and complementary coded data which is received by receiving unit at a later time are rearranged into normal sequence.... Agent: Birch Stewart Kolasch & Birch

20070217520 - Apparatuses and methods for post-processing video images: An apparatus for post-processing a video image may include a filter configured to remove artifacts from pictures decoded by a video decoder; a differential picture encoder configured to produce compressed differential pictures based on the decoded pictures and the pictures filtered by the filter; and a differential picture decoder configured... Agent: Harness, Dickey & Pierce, P.L.C

20070217521 - Relay unit and storage medium having stored therein computer program: A relay unit capable of avoiding the occurrence of simultaneous switching whatever data is received and thereby preventing malfunction of the device due to impulse noise, and a memory product having stored therein a computer program are provided. The relay unit includes a latch unit that temporarily stores converted parallel... Agent: Bingham Mccutchen LLP

20070217522 - Source-channel approach to channel coding with side information: Code designs for channel coding with side information (CCSI) based on combined source-channel coding are disclosed. These code designs combine trellis-coded quantization (TCQ) with irregular repeat accumulate (IRA) codes. The EXIT chart technique is used for IRA channel code design (and especially for capacity-approaching IRA channel code design). We emphasize... Agent: Meyertons, Hood, Kivlin, Kowert & Goetzel, P.C.

20070217523 - Small loop antenna for induction reader/writer: Multiscale communication, wherein time-frequency conditioning off the transmitted signal is used, is examined with respect to typical wireless communications systems, in which the modulating wavelet is matched to a specific channel condition. Compactly supported wavelet bases are employed, and based on their parameterization a wavelet is selected that best characterizes... Agent: Philips Intellectual Property & Standards

20070217527 - Method and system for determining channel response in a block transmission system: A method and system for determining channel response is provided. The method for determining a channel frequency response (CFR) in a block transmission system comprises performing an N′ point Fast Fourier Transformation (FFT), where N′ is a function of N and K, and N is approximately equal to the number... Agent: Beceem Communications Inc

20070217531 - Method for allocating signal in multi-carrier system: A method for transmitting control signals in a multi-carrier system. A method for arranging pilots in a transmitting side which transmits and receives data using a plurality of sub-carriers includes acquiring transmission data to be transmitted to a receiving side, processing data of a specific region among the transmission data... Agent: Lee, Hong, Degerman, Kang & Schmadeka

20070217534 - Preamble detection with unknown channel: A system comprises a correlation module that correlates modulated signals with a plurality of preamble sequences and that generates correlation values. A control module selects a largest correlation value from said correlation values and detects one of said preamble sequences in said modulated signals upon determining that a magnitude of... Agent: Harness, Dickey & Pierce P.L.C

20070217526 - Transmission/reception apparatus and method for frequency domain signal processing in a smart antenna system: An apparatus and a method can improve the performance of a smart antenna system for signal processing in the frequency domain. The method includes: performing Fast Fourier Transform (FFT) on a plurality of incoming signals received through antennas according to a predetermined FFT window; detecting a boundary of an OFDM... Agent: Blakely Sokoloff Taylor & Zafman

20070217529 - Uplink signal receiving method and apparatus using successive interference cancellation in wireless transmission system based on ofdma: An uplink signal receiving method and apparatus using successive interference cancellation (SIC) in a wireless transmission system based on Orthogonal Frequency Division Multiple Access (OFDMA) are provided. The uplink signal receiving method includes storing in a provisional storage each uplink intermediate frequency (IF) signal received through an antenna of a... Agent: The Farrell Law Firm, P.C.

20070217532 - Apparatus and method for acquiring frame synchronization in broadband wireless communication system: Provided are an apparatus and a method for acquiring frame synchronization in a broadband wireless communication system using a plurality of preamble sub-carrier patterns. The apparatus includes a plurality of preamble detectors that perform phase compensation on input sample data in accordance with a corresponding pattern and computes correlation values... Agent: The Farrell Law Firm, P.C.

20070217533 - Apparatus and method for channel estimation in a wireless communication system: An apparatus and method for channel estimation in a wireless communication system are provided, in which a first channel estimate is calculated using a pilot signal included in a received signal, a data signal included in the received signal is demodulated using the first channel estimate, a second channel estimate... Agent: The Farrell Law Firm, P.C.

20070217528 - Data transmission device, radio reception device, radio transmission method, and radio reception method: A radio transmission device capable of improving the reception error rate characteristics of a receiver. In this device, an FFT (Fast Fourier Transform) unit (102) subjects a transmission signal to an FFT operation, in which a signal in a time domain is converted into a signal in a frequency domain.... Agent: Stevens, Davis, Miller & Mosher, LLP

20070217524 - Frame timing synchronization for orthogonal frequency division multiplexing (ofdm): A frame timing synchronization technique for orthogonal frequency division multiplexing (OFDM) systems is presented. First, a coarse synchronization technique generates a coarse frame timing estimate. The coarse synchronization technique applies a sliding window differentiator to the output of a conventional auto-correlator to mitigate the plateau effect associated with conventional auto-correlation... Agent: Buchanan, Ingersoll & Rooney PC

20070217525 - Frequency tracking which adapts to timing synchronization: A frequency tracking method and apparatus is provided. A receiver receives OFDM symbols and determines associated frequency offset. A frequency error estimator selects a cross correlation window for determining frequency offset based on timing offset. A symbol timing estimator is used to determine the timing offset.... Agent: Qualcomm Incorporated

20070217530 - Method and apparatus for channel estimation using time-frequency localized pilots and de-noising techniques: A method and apparatus for performing channel estimation using time-frequency localized pilots and de-noising techniques are disclosed. A transmitter sends pilot symbols which are localized in a joint time-frequency domain to a receiver for channel estimation. The receiver receives the pilot symbols and performs a time-frequency analysis, such as a... Agent: Volpe And Koenig, P.C. Dept. Icc

20070217535 - Orthogonal frequency division multiplexing (ofdm) receiver, ofdm reception method and terrestrial digital receiver: In an OFDM receiver, one of a plurality of antennas is selected based on a ratio X of two moving average integration values (first moving average integration value and second moving average integration value) that are calculated from a non-delay symbol and a delay symbol. It could be said that... Agent: Frishauf, Holtz, Goodman & Chick, PC

20070217536 - Method and apparatus for calculating likelihood metric of a received signal in a digital communication system: A likelihood metric calculation method including: estimating a channel of a received signal and generating a channel estimate; compensating a channel of the received signal according to the channel estimate; calculating a region variable according to the channel estimate; and comparing the region variable and a magnitude of the compensated... Agent: Fenwick & West LLP

20070217540 - pre-coder selection based on resource block grouping: The present invention provides a receiver. In one embodiment, the receiver includes a receive portion employing transmission signals from a transmitter having multiple antennas and capable of providing channel estimates. The receiver also includes a feedback generator portion configured to provide to the transmitter a pre-coder selection for data transmission... Agent: Texas Instruments Incorporated

20070217539 - Method of transmitting data and estimating channel information in ofdm/ofdma mobile communications system: A method of feeding back channel information in an OFDM or OFDMA radio communications system is disclosed, in which a transmitting side instructs a region for measuring a downlink channel status and in which a receiving side feeds back the channel information to the transmitting side. The present invention includes... Agent: Lee, Hong, Degerman, Kang & Schmadeka

20070217537 - Minimum error rate lattice space time codes for wireless communication: A lattice space time coding arrangement for transmission systems is disclosed which enables construction of lattice space time codes with improved error rate performance for arbitrary receiver structures.... Agent: Nec Laboratories America, Inc.

20070217538 - Systems and methods for improving performance of multiple spatial communication channels: Embodiments include systems and methods for improving performance of multiple spatial communications channels. Embodiments comprise power loading a steering matrix to achieve improved performance.... Agent: Schubert, Osterrieder & Nickelson, PLLC C/o Intellevate

20070217541 - Compress-forward coding with n-psk modulation for the half-duplex gaussian relay channel: Systems and methods that implement compress-forward (CF) coding with N-PSK modulation for the relay channel are disclosed, where N is greater than or equal to two. In the CF scheme, Wyner-Ziv coding is applied at the relay to exploit the joint statistics between signals at the relay and the destination.... Agent: Meyertons, Hood, Kivlin, Kowert & Goetzel, P.C.

20070217542 - Carrier-envelope phase shift using linear media: The carrier-envelope phase in a train of optical pulses is varied utilizing the dispersive properties of lossless plates while the total dispersion in transmission is maintained practically constant. The plates include sloped surfaces and are mounted for displacement such that the ratio of the thicknesses of the two plates through... Agent: Mintz, Levin, Cohn, Ferris, Glovsky And Popeo, P.C.

20070217543 - Peak suppression method, peak suppression apparatus and wireless transmission apparatus: The present invention provides a peak suppression method, including a first step for detecting characteristic information of a peak part of a transmission signal; and a second step for changing a suppression method for the peak part based on the characteristic information.... Agent: Katten Muchin Rosenman LLP

20070217544 - Power management in a data acquisition system: A data acquisition system includes a programmable gain amplifier, an analog-to-digital converter, a filter, and control circuitry. The programmable gain amplifier is operatively connected to receive an analog input signal on its input and generates an amplified signal on its output in accordance with gain control signals. The analog-to-digital converter... Agent: Law Offices Of Davis Chin & Associates

20070217545 - Apparatus and method for providing transmit diversity in multi-antenna wireless communication systems: In an apparatus and method for providing transmit (Tx) diversity in a multi-antenna wireless communication system, Tx diversity is provided by estimating a channel to each antenna using a signal received from the antenna, estimating channel state information (CSI) from the first Tx node to each antenna using the estimated... Agent: Blakely Sokoloff Taylor & Zafman

20070217546 - Transmission signals, method and apparatus: This invention relates to apparatus, methods, processor control code and signals for channel estimation in OFDM (Orthogonal Frequency Division Multiplexed) communication systems with a plurality of transmitter antennas, such as MIMO (Multiple-input Multiple-output) OFDM systems. An OFDM signal is transmitted from an OFDM transmitter using a plurality of transmit antennas.... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070217547 - Receiver: It is an object of the present invention to provide a receiver which, when receiving a digital broadcast, can shorten a time necessary for performing an initial synchronization. The receiver comprises: a front end which receives an OFDM-modulated digital broadcast and outputs modulation signals Sch1 and of at least two... Agent: Arent Fox PLLC

20070217548 - Circuit arrangement and method of operating such circuit arrangement: In order to provide a circuit arrangement (100; 100′; 100″) for use in a data transmission system comprising at least one input stage (IS) being connected downstream of at least one bus system (CB), in particular of at least one C[ontroller]A[rea]N[etwork] bus system, the input stage (IS) comprising at least... Agent: Nxp, B.v. Nxp Intellectual Property Department

20070217549 - Fsk demodulator, fm demodulator, and related method with a build-in band-pass filter: A frequency shift keying (FSK) demodulator includes a band-pass filter, an auto-calibration loop, a phase comparator, and an analog-to-digital converter. The band-pass filter is used for shifting phase of an FSK signal to generate a revised FSK signal. The auto-calibration loop is coupled to the band-pass filter for adjusting a... Agent: North America Intellectual Property Corporation

20070217550 - System having a signal processor for detection of a signal type: A system having a signal processor for detection of a signal type of a signal has a processor is disclosed. One embodiment is designed to determine a first variable which is characteristic of a first spectrum element of the signal spectrum, and to determine a second variable which is characteristic... Agent: Dicke, Billig & Czaja

20070217552 - Preamble detection with unknown channel: A system includes a differential demodulation module and a correlation module. The differential demodulation module differentially demodulates modulated signals to generate differentially demodulated signals. The correlation module correlates the differentially demodulated signals with derived preamble sequences and generates correlation values.... Agent: Harness, Dickey & Pierce P.L.C

20070217551 - Digital broadcasting receiving system and method of processing data: A digital broadcasting receiving system and method is disclosed. In the data processing method, a known data sequence is tuned so as to be received, when the known data sequence is periodically inserted in valid data and transmitted. Then, the timing error is detected by using a correlation characteristic of... Agent: Lee, Hong, Degerman, Kang & Schmadeka

20070217553 - Dynamic selection of an optimum signal from a plurality of signal sources: An optimum signal is assembled from a set of data streams originating from a transmitter. Corresponding bits of the data streams are compared, and for each set of corresponding bits, an output bit is selected based on a majority vote of the data streams. If a majority vote does not... Agent: William H. Eilberg

20070217556 - Method and apparatus for switching operating modes of a receiver: In a wireless communication system, a method and apparatus switches operating modes of a receiver receiving data and operating in a first mode. The method comprises determining whether a criteria is met to switch the operating mode of the receiver. The operating mode of the receiver is switched from the... Agent: Volpe And Koenig, P.C. Dept. Icc

20070217555 - Knowledge-aided cfar threshold adjustment for signal tracking: A constant false alarm rate (CFAR) filter for a communication system receiver, that is subject to relative motion with respect to a transmitter, includes a knowledge-aided CFAR controller. The knowledge-based CFAR controller adaptively adjusts the filter's CFAR threshold to a value that is effective to mask, as false alarms, selected... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20070217554 - Noise canceling in equalized signals: A receiver (20) that is suitable to receive at least two, simultaneously transmitted signals uses a linear equalizer (18) for equalizing the received signals. Additionally such receiver has a signal quality estimator (36) to determine which of the equalized signals has the best signal to noise ratio. A noise estimator... Agent: Philips Intellectual Property & Standards

20070217557 - Secured identities collaboration system and method: An identities collaboration system that comprises a Personal Service Provider (PSP) system for supplying specific user related personal service(s); means for assigning two different data files to each user opting-in to the PSP system, wherein one data file contains data representing user identity at the PSP system and it assigned... Agent: Marsteller & Associates

20070217560 - Apparatus and method for sample rate conversion in a software defined radio communication system: A method for converting a sample rate in a Software Defined Radio (SDR) communication system is provided. The method includes setting a sampling frequency range depending on a maximum sampling frequency and a minimum sampling frequency so as to enable support of a plurality of sample rates; if a required... Agent: The Farrell Law Firm, P.C.

20070217558 - Method and apparatus for improving linearity in clock and data recovery systems: Disclosed is a system and method for improving the linearity of a clock and data recovery (CDR) circuit. A data stream is received and the phase of a clock signal is adjusted using two interpolators. The data stream is then recovered using the clock signal.... Agent: Law Office Of Jeffrey M. Weinick, LLC

20070217559 - Signaling system with adaptive timing calibration: An integrated circuit device includes a delay circuit, sampling circuit and delay control circuit that cooperate to carry out adaptive timing calibration. The delay circuit generates a timing signal by delaying an aperiodic input signal for a first interval. The sampling circuit samples a data signal in response to the... Agent: Shemwell Mahamedi LLP

20070211785 - Detecting and synchronizing to frequency hopped packets: Methods and systems for detecting and synchronizing to frequency hopped packets are presented. A technique for detecting a transmitter frequency hopping pattern includes receiving a packet of preamble symbols respectively transmitted over multiple frequency sub-bands according to the transmitter frequency hopping pattern, and partitioning predetermined frequency hopping patterns into disjoint... Agent: Buchanan, Ingersoll & Rooney PC

20070211787 - Method and apparatus for spreading channel code selection: Various embodiments are described which may serve to improve spreading channel code selection in wireless technologies that employ two-stage ranging. For example, some of the embodiments enable a number of spreading codes to be reused at each network node (111, 112), potentially increasing the number of codes available to each... Agent: Motorola, Inc.

20070211786 - Multicarrier sub-layer for direct sequence channel and multiple-access coding: Carrier Interferometry (CI) provides wideband transmission protocols with frequency-band selectivity to improve interference rejection, reduce multipath fading, and enable operation across non-continuous frequency bands. Direct-sequence protocols, such as DS-CDMA, are provided with CI to greatly improve performance and reduce transceiver complexity. CI introduces families of orthogonal polyphase codes that can... Agent: Sonnenschein Nath & Rosenthal LLP

20070211789 - Method for operating a base station by prelimiting an output signal station: A base station employing a CDMA technique comprising the steps of combining a plurality of spread spectrum data signals into a combined signal having a fluctuating power level corresponding to the data signals; modulating the combined signal to produce an RF signal; measuring average power of the combined signal over... Agent: Volpe And Koenig, P.C. Dept. Icc

20070211788 - Method for temporal inversion of a wave: According to the invention, a wave, corresponding to a signal s(t) may be temporally inverted by application of a first transformation to lower the central frequency thereof to produce a first set of transformed signals Ki(t) then a second set of transformed signals K′i(t) is produced representing the temporal inversion... Agent: Miller, Matthias & Hull

20070211790 - Fast frequency hopping with a code division multiplexed pilot in an ofdma system: Techniques are provided to support fast frequency hopping with a code division multiplexed (CDM) pilot in a multi-carrier communication system (e.g., an OFDMA system). Each transmitter (e.g., each terminal) in the system transmits a wideband pilot on all subbands to allow a receiver (e.g., a base station) to estimate the... Agent: Qualcomm Incorporated

20070211791 - Coherent processing using composite codes: A coherent processor having replica generator, a plurality of correlators, a combiner and a tracking loop. The replica generator generates a composite-reference signal having a replica of the plurality of the IM code, M code, P(Y) code or C/A code. The plurality of correlators correlates a received signal from a... Agent: Hoffman Wasson & Gitler, P.c Crystal Center 2, Suite 522

20070211792 - Method and receiver capable of increasing acquisition efficiency in a code division multiple access communication system: A method capable of increasing acquisition efficiency in a code division multiple access (CDMA) communication system includes receiving a first signal, generating a second signal by performing a Fourier transform operation for the first signal, determining a plurality of shift signals generated by shifting the second signal a first frequency... Agent: North America Intellectual Property Corporation

20070211793 - Multipath error estimation in satellite navigation receivers: The invention presented in this disclosure gives methods to estimate and compensate for the multi-path in a typical navigational or spread spectrum receiver. The multi-path delay is estimated based on the outputs of different correlators of the receiver. Unlike three correlators normally used, the present disclosure uses five correlators, namely,... Agent: Orrick, Herrington & Sutcliffe, LLPIPProsecution Department

20070211794 - Tranceiver non-linearity cancellation: Embodiments of a method and apparatus for reducing non-linear transmit signal components of a receive signal of a transceiver signal are disclosed. The method includes the transceiver simultaneously transmitting a transmit signal, and receiving the receive signal. A non-linear replica signal of non-linear transmission signal components that are created in... Agent: Teranetics Patent Department

20070211795 - Jitter measurement apparatus, electronic device, and test apparatus: There is provided a jitter measurement apparatus to measure jitter of a signal under measurement. The jitter measurement apparatus includes a pulse generator that outputs a demodulated signal indicating the jitter of the signal under measurement, by outputting a pulse having a substantially constant pulse width in synchronization with each... Agent: Smith, Gambrell & Russell

20070211796 - Method and apparatus for encoding and decoding multi-view video to provide uniform picture quality: Provided are a method and apparatus for encoding and decoding multi-view video to provide uniform picture quality at different viewpoints. The multi-view video encoding method includes selecting a set of referenced viewpoint video frames referred to by different viewpoint video frames, from among received multi-view video frames; encoding the multi-view... Agent: Sughrue Mion, PLLC

20070211797 - Method, medium, and system encoding and/or decoding moving pictures by adaptively applying optimal prediction modes: A method, medium, and system encoding and/or decoding a moving picture. The moving picture encoding method may include selecting a prediction mode that is optimal for the macro blocks, which correspond to each other, of the color components of a current image based on the characteristics of a predetermined image,... Agent: Staas & Halsey LLP

20070211799 - Method and apparatus for receiving images having undergone losses during transmission: m

20070211801 - Frame rate conversion system, method of converting frame rate, transmitter, and receiver: A frame rate conversion system includes a transmitter and a receiver. The transmitter includes a decoding unit decoding a compressed video signal encoded by an encoding method using a motion vector, and an encoding unit superimposing reference control information being output from the decoding unit and containing at least a... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070211798 - Method and apparatus for complexity scalable video decoder: 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, Vice President Thomson Licensing LLC

20070211800 - Method and apparatus for frame rate up conversion with multiple reference frames and variable block sizes: A method for creating an interpolated video frame using a current video frame, and a plurality of previous video frames is presented. The method includes creating a set of extrapolated motion vectors from at least one reference video frame in the plurality of previous video frames; performing an adaptive motion... Agent: Qualcomm Incorporated

20070211802 - Video encoding/decoding method and apparatus: A video encoding method comprises storing a plurality of encoded frames of a video in a memory, generating a to-be-encoded frame which is divided in a plurality of regions including at least one encoded region and at least one to-be-encoded region, generating a predictive vector of the to-be-encoded region of... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070211803 - Image coding apparatus and image coding method: At least one exemplary embodiment is directed to an image coding apparatus configured to encode moving image data including: a coding unit configured to encode each picture in the moving image data in a unit of a first block; a luminance change detection unit configured to divide the moving image... Agent: Canon U.s.a. Inc. Intellectual Property Division

20070211804 - Image coding apparatus and image coding method: The invention is based on the idea of providing a method for high-resolution, waveform-preserving digitization of analog signals, wherein conventional scalar logarithmic quantization is transferred to multi-dimensional spherical coordinates, and the advantages resulting from this, e.g., a constant signal/noise ratio over an extremely high dynamic range with very low loss...