Pulse or digital communications inventions 11/08

20080291973 - Integrated ultra-wideband (uwb) pulse generator: A pulse generator includes a sinusoidal monocycle generator (4). The sinusoidal monocycle generator (4) includes a sinusoidal wave source (5) connected to a first switch (6) and to a first input of a first multiplier (7), the output of the switch being a square pulse synchronized with a sinusoidal wave... Agent: Young & Thompson

20080291971 - Method and transmitter, receiver and transceiver systems for ultra wideband communication: A transmitter for transmitting data as a pulsed ultrawide band signal comprises a serial-to-parallel converter (54) for converting the signal to be transmitted to a parallel sequence, a modulator (64) to convert the parallel sequence to a parallel stream of impulse trains. A delay unit (60) delays the parallel streams... Agent: Conley Rose, P.C. David A. Rose

20080291972 - Method and transmitter, receiver and transceiver systems for ultra widebrand communication: A system such as a code division multiple access (CDMA) system or an ultrawide band (UWB) system comprises a transmitter and a receiver. The transmitter includes a sequence extender for extending the incoming signal and a spreader for spreading the extended signal, the spreader input being coupled to the sequence... Agent: Conley Rose, P.C. David A. Rose

20080291974 - Signal transmitter for wideband wireless communication: A signal transmitter for generating a wideband RF signal for use in, for example, a 60 GHz wireless area network, wherein a wideband (e.g 4 GHz) baseband signal is divided into a number of sub-signals (14) that can be synthesized in parallel, thereby relaxing the requirements of the mixed-signal and... Agent: Nxp, B.v. Nxp Intellectual Property Department

20080291976 - Communication device, communication method, communication system and program: A communication device of the present invention includes channel compensations, an adaptive processor, a MAC and a controller. The channel compensations weight each of signals received by a plurality of antennas based on an SN ratio of the received signals so as to control the antennas to operate as combining... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080291975 - Method for operating an enciphered radio network: An approach is provided for operating a radio network, wherein the operating frequency is varied systematically according to an enciphered sudden-frequency-change scheme and retained only during a hop. Several hops are combined to form a service interval, a service window being arranged at a variable position within the service interval.... Agent: Ditthavong Mori & Steiner, P.C.

20080291977 - Same frequency satellite terrestrial radio broadcast: A satellite broadcasts radio programs to mobile and fixed receivers at various locations. Ground stations supplement the satellite broadcasts in areas where the satellite signal may be shadowed. Likewise, the satellite signal supplements the terrestrial transmissions in areas with marginal terrestrial signal strength. Ground stations and a satellite transmit the... Agent: Nixon & Vanderhye, PC

20080291978 - Receiver parametric covariance estimation for transmit diversity: A parametric form of G-Rake and chip equalization for closed-loop transmit diversity is provided, that accounts for impairment correlation between transmit antennas. In a closed-loop transmit diversity system, the base station transmits a signal from two or more antennas, using one of a predetermined set of relative phase offsets at... Agent: Coats & Bennett, PLLC

20080291979 - Method and spread spectrum software receiver for satellite navigation: A spread spectrum signal receiver includes a radio signal processing unit, which is at least partly implemented in software running on a processor. The processing unit is adapted to estimate a respective processing demand required to produce position/time related data based on each subset of a number of candidate subsets... Agent: Moore & Van Allen PLLC

20080291980 - Cancellation of interference in a communication system with application to s-cdma: Cancellation of interference in a communication system with application to S-CDMA. A relatively straight-forward implemented and computationally efficient approach of selecting a predetermined number of unused codes is used to perform weighted linear combination selectively with each of the input spread signals in a multiple access communication system. If desired,... Agent: Garlick Harrison & Markison

20080291981 - Method and apparatus for removing pilot channel amplitude dependencies from rake receiver output: A receiver utilizes pilot channel propagation channel estimates and a signal-to-interference metric derived from the pilot channel to form combining weights for use in obtaining soft symbols from a desired channel for subsequent decoding. The soft symbols thus obtained are substantially independent of the pilot channel amplitude.... Agent: Coats & Bennett, PLLC

20080291982 - Processing of interference on a radiofrequency signal by power inversion: The invention relates to a radiofrequency receiver, notably for satellite positioning applications, needing to operate in an environment where interference is dense, notably when it involves pulses transmitted by DME beacons. Below the useful signal suppression threshold, amplitude or power are inverted to improve the dynamic interference response time. Advantageously,... Agent: Lowe Hauptman & Berner, LLP

20080291984 - Interleaver apparatus and method: One embodiment of the invention relates to a method of data processing. In the method, an initial data stream is received. A series of bytes having a total byte length is selected from the initial data stream, the series of bytes having a span in the initial data stream that... Agent: Eschweiler & Associates LLC

20080291983 - Signal adjustment device: A signal processor and method for receiving a digital signal and providing an output signal to a signal receiving device includes a receiver for receiving a digital signal from an antenna and a control circuit for adjusting signal attenuation of the digital signal and generating an output signal. The control... Agent: Van Dyke, Gardner, Linn & Burkhart, LLP

20080291985 - Agile spectrum monitoring in a radio transceiver: The invention relates to a method and an apparatus for agile RF spectrum monitoring in a radio system with dynamic frequency access. It provides a spectrum monitor based on non-coherent heterodyne detection that utilizes a DDS signal generator to digitally generate a reference signal at a variable reference frequency for... Agent: Teitelbaum & Maclean

20080291986 - Low power partial functionality modems: Low power partial functionality modems, receivers, transmitters and transceivers. Some embodiments include a first mode for receiving/transmitting a first data stream over wires, and a second low-power partial-functionality mode for receiving/transmitting a low throughput second bidirectional data stream over a subset of the wires, wherein a bi-functional analog front end... Agent: Active Knowledge Ltd.

20080291989 - Crosstalk estimation methods and apparatus using auxiliary time-domain signals: Techniques are disclosed for measuring crosstalk between at least two communication channels of a communication system. A receiver of the system receives a signal over a given one of the communication channels from a transmitter of the system. The receiver correlates the received signal with a sequence of time-domain signals... Agent: Ryan, Mason & Lewis, LLP

20080291988 - Method for testing a radio frequency (rf) receiver and related methods: A method for testing a radio frequency (RF) receiver may include measuring a plurality of bit error levels for the RF receiver at a given RF frequency. The method may further include applying a Huber function to the measured plurality of bit error levels to generate a bit error ratio... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist P.A.

20080291987 - Test signal generating apparatus for communications equipment and test signal generating method for communications equipment: A test signal generating apparatus for communications equipment sequentially uses first and second sequence information which are stored in a sequence memory for storing the first sequence information including a reading order and read addresses of unit data including I and Q waveform data, and desired signal levels to be... Agent: Frishauf, Holtz, Goodman & Chick, PC

20080291990 - Reception quality measuring apparatus and reception quality measuring method: A reception quality measuring apparatus of the present invention comprises a first sub-carrier averaging unit for averaging and outputting a channel gain after equalization estimated on the basis of the pilot signal over a sub-carrier, a first power calculation unit for calculating the power of a signal output from the... Agent: Mcginn Intellectual Property Law Group, PLLC

20080291991 - Radio receiver having a channel equalizer and method therefor: A radio receiver for receiving a signal is provided. The radio receiver comprises an equalizer configured to perform a constant modulus algorithm initialized using a first set of coefficients on the received signal and for generating an equalized signal. The radio receiver further comprises a demodulator coupled to the equalizer... Agent: Freescale Semiconductor, Inc. Law Department

20080291992 - System and method of detecting burst noise and minimizing the effect of burst noise: A communication system and a method which can reduce the effect of burst noise. The communication system comprises a controllable oscillator, a mixer, a decision circuit, a comparator, a loop filter, and a controller. The controllable oscillator generates an oscillating signal. The mixer coupled to the controllable receives input data... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080291993 - Method for joint scalar quantization and a method for adaptively adjusting scalar quantization level: A method for joint scalar quantization is disclosed, characterized in that, transforming the original variables into intermediate variables according to a special transforming relationship; according to the variance of the intermediate variables, quantizing, feedbacking and transmitting the intermediate variables; when the original variables are needed, transforming the intermediate variables into... Agent: Katten Muchin Rosenman LLP

20080291994 - Low power partial functionality communication link: A low power partial functionality communication link that includes a first mode of operation for transmitting a first high throughput data stream including a plurality of data types over wires, and a second low power partial functionality mode of operation for transmitting, over a subset of the wires used for... Agent: Active Knowledge Ltd.

20080291995 - Adaptive video encoding apparatus and methods: Methods and apparatus for adaptive encoding of data such as for example video data. In one exemplary embodiment, a real-time video encoder is disclosed that changes video encoding processes to produce the best quality encoded video whilst maintaining a target encoding frame rate, according to one or more operating constraints.... Agent: Ropes & Gray LLP

20080291996 - Method of and device for coding a video image sequence in coefficients of sub-bands of different spatial resolutions: A video image sequence including coefficients of frequency sub-bands with different spatial resolutions is coded. A data stream including at least one restitution level (Niv N−2, Niv N−1, Niv N) is formed. The restitution levels have coefficients of frequency sub-bands whose spatial resolution equals a spatial resolution of the restitution... Agent: Lowe Hauptman Ham & Berner, LLP

20080291997 - Method of encoding and decoding video signals: Disclosed herein is a method of encoding video signals. The method includes creating a bit stream of a first layer by encoding the video signals, and creating a bit stream of a second layer by encoding the video signals based on the first layer. When residual data, corresponding to an... Agent: Fish & Richardson P.C.

20080291998 - Video coding apparatus, video coding method, and video decoding apparatus: The video coding apparatus of the present invention for reducing pulsing artifacts includes: a correlation calculation unit which calculates a correlation value indicating a correlation degree of correlation between: a first block; and a second block or a third block. The first block including pixels included in a first original... Agent: Wenderoth, Lind & Ponack L.L.P.

20080291999 - Method and apparatus for video frame marking: Method and apparatus for marking individual video frames of an H.264/AVC standard compliant or equivalent digital video stream. Each video frame in a H.264/AVC video stream is conventionally divided into NAL units. There are typically a number of NAL units for each video frame. There is specified in the H.264/AVC... Agent: Apple C/o Morrison And Foerster ,llp Los Angeles

20080292001 - Apparatus and method for calculating sum of absolute differences for motion estimation of variable block: Provided are an apparatus and method for calculating a Sum of Absolute Differences (SAD) for motion estimation of a variable block capable of parallelly calculating SAD values with respect to a plurality of current frame macroblocks at a time. The apparatus includes a PE array unit including at least one... Agent: Ladas & Parry LLP

20080292000 - System and method of providing motion estimation: A system and method of providing motion estimation is disclosed. A recursive motion estimation module works in conjunction with a non-recursive motion estimation module to provide candidate motion vectors to a selection module. The selection module determines which of the candidates is more likely to yield a desirable result and... Agent: Knobbe, Martens, Olson, & Bear, LLP

20080292002 - Coding and decoding method and device: In a method for the video coding of image sequences images in the image sequence are coded in a scaled manner, in such a way that the video data produced contains information which permits the images to be represented in a plurality of differing stages of image resolution, the latter... Agent: Staas & Halsey LLP

20080292003 - Signaling of multiple decoding times in media files: The exemplary embodiments of this invention provide in one aspect thereof an ability to signal multiple decoding times for each sample in a file format level in order to allow, for example, different decoding times for each sample (or sample subset) between decoding an entire stream and decoding a subset... Agent: Harrington & Smith, PC

20080292004 - Carrier phase ambiguity correction: A receiver comprises a demodulator for providing a demodulated signal and a centroid calculator responsive to the demodulated signal for identifying a correct carrier phase for use in the centroid calculation and in removing carrier phase ambiguity in the demodulator. In addition, the centroid calculator may include a limiter.... Agent: Joseph J. Laks Thomson Licensing LLC

20080292005 - Enhancement layer switching for scalable video coding: An exemplary system includes a data encoder generating a base layer bitstream encoded at a base bit-rate, and a plurality of enhancement layer bitstreams encoded at different enhancement layer bit-rates, and a bitstream selection module selecting one of the enhancement layer bitstreams every video frame based on available channel bandwidth.... Agent: Lee & Hayes PLLC

20080292006 - Pre-processing method for data reduction of video sequences and bit rate reduction of compressed video sequences using temporal filtering: Methods for pre-processing video sequences prior to compression to provide data reduction of the video sequence. In addition, after compression of the pre-processed video sequence, the bit rate of the pre-processed and compressed video sequence will be lower than the bit rate of the video sequence after compression but without... Agent: Adeli & Tollen, LLP

20080292007 - Power saving techniques for a partial functionality communication link: Power saving techniques for a device including an active mode of operation for transmitting a first data stream of at least two data types over wires, and a low power partial functionality mode of operation for transmitting a second data stream over a subset of the wires used for transmitting... Agent: Active Knowledge Ltd.

20080292015 - Channel estimation method of mobile terminal in wireless communication system and channel estimator employing the method: Provided is a mobile terminal of a wireless communication system, and more particularly, a channel estimation method performed in a mobile terminal of a wireless communication system supporting the IEEE 802.16e standard and a channel estimator of the mobile terminal to which the method is applied. The channel estimation method... Agent: Blank Rome LLP

20080292008 - Channel-estimating apparatus and mimo communication system: A channel-estimating apparatus according to the present invention, including: an input unit (2) operable to receive several pieces of channel information (5) from a plurality of receivers (10), (11), in which the plurality of receivers (10), (11) are operable to perform MIMO communication through a plurality of channels; an estimating... Agent: Wenderoth, Lind & Ponack L.L.P.

20080292014 - Communication equipment: Communication equipment for transmitting signals of an OFDM system while effectively suppressing peaks in the transmission. Forming means form a plurality of OFDM signals, peak-suppressing means of a base band suppresses peaks of the OFDM signals based on these signals, IF converter means convert OFDM signals of which the peaks... Agent: Wenderoth, Lind & Ponack, L.L.P.

20080292010 - Crest factor reduction in multicarrier transmission schemes: A multicarrier transmission system uses a set of carriers spaced apart in frequency with a number of bits being assigned to each carrier. A transmitter has a mapper which maps a data signal to a parallel set of constellation values. A frequency domain-to-time domain transform stage converts the set of... Agent: Stmicroelectronics Inc. C/o Wolf, Greenfield & Sacks, P.C.

20080292011 - Method and system for implementing transmitting diversity and receiving diversity: The method for implementing transmitting diversity includes receiving a symbol from a destination mobile terminal, by a mobile terminal which is in the same mobile terminal group with the destination mobile terminal, wherein the symbol is also sent from the destination mobile terminal to a base station; and processing, by... Agent: Sughrue Mion, PLLC

20080292012 - Multiple-input multiple-output communication method and multiple-input multiple-output communication system of enabling the method: A Multiple-Input Multiple-Output (MIMO) communication system and method. The MIMO communication system includes: an antenna number determination unit to determine a number of active antennas among a plurality of transmitting antennas based on a power of a transmission signal wherein the number of active antennas is at least one and... Agent: Stein, Mcewen & Bui, LLP

20080292009 - Multiple-input-multiple-output wireless transmission system and transmission method thereof: The present invention relates to a multiple-input-multiple-output (MIMO) wireless transmission system and a transmission method thereof. A wireless transmitting system thereof receives encoded data via a first processing unit, which processes the encoded data and outputs the encoded data to a plurality of modulation units for modulating the encoded data... Agent: Rosenberg, Klein & Lee

20080292013 - Nested precoding codebook structures for mimo systems: Embodiments of the present disclosure provide a transmitter, a receiver and methods of operating a transmitter and a receiver. In one embodiment, the transmitter is for use with NT transmit antennas and includes a precoder unit configured to precode data for transmission using a preceding matrix selected from a nested... Agent: Texas Instruments Incorporated

20080292016 - Signal decoding methods and apparatus: A method of decoding a signal encoded as a string of symbols over space and time and/or frequency, transmitted over a MIMO (multiple-input multiple-output) channel, and received at a plurality of receive antennas, each transmitted symbol having one of a plurality of values, said decoding comprising determining a probability distribution... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080292017 - Modulation of data streams with constellation subset mapping: In a method for encoding at least two data streams (p1 . . . pn), a bit sequence of each one of the at least two data streams (p1 . . . pn) is mapped onto a symbol in a predefined order which is part of one of at least... Agent: Philips Intellectual Property & Standards

20080292018 - Vsb modulation apparatus and method for generating a vsb-modulated wave: A vestigial sideband (VSB) modulation apparatus includes a signal processing unit which extracts an I-axis data signal component and a Q-axis data signal component from a baseband signal with symbol data superimposed thereon, a band-limiting filter which frequency-shifts the I-axis data signal component and the Q-axis data signal component, extracted... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080292019 - Hardware implementation of space-time block codes: v

20080292021 - Method and module for acquiring digital subscriber line parameter, and line management system: The present disclosure includes a method for acquiring DSL parameters, a module for acquiring Digital Subscriber Line (DSL) parameters, and a line management system. The method includes: obtaining the priority of a DSL; and acquiring parameters of the DSL in an acquisition period corresponding to the obtained priority, in accordance... Agent: Harness, Dickey & Pierce, P.L.C

20080292020 - Reconfigurable pulse detector in wireless communications system: In a receiver architecture, for example for use in receiving pulses in an Ultra Wideband system, a received signal is applied to a mixer, together with pulses which correspond to expected received pulses. The mixer output is applied to a block, which can be configured either as an integrator or... Agent: Philips Intellectual Property & Standards

20080292022 - Radio receiver including a delay-locked loop (dll) for phase adjustment: A method, algorithm, architecture, circuits, and/or systems for using a delay-locked loop (DLL) for phase adjustment in a direct conversion radio receiver are disclosed. In one embodiment, a receiver circuit can include: (i) a voltage-controlled oscillator (VCO) for providing a reference clock; (ii) a delay element that can receive the... Agent: Epson Research And Development Inc Intellectual Property Dept

20080292023 - Direct sampling type wireless receiver and method using the same: There are provided a direct sampling type wireless receiver and a method using the same that reduce nonlinearity and DC offset by using a multi-port network and a carrier frequency direct conversion method with a low sampling rate of a direct sampling method in a wireless communication receiver. A direct... Agent: Lowe Hauptman Ham & Berner, LLP

20080292024 - Amplitude-shift-keying (ask) radio-frequency (rf) signal decoding device and method thereof: An amplitude-shift-keying radio-frequency (ASK RF) signal decoding method includes separating a low frequency and a high frequency from an ASK RF signal, which includes a pause section and a non-pause section, generating a divided signal by dividing the high frequency signal, counting the divided signal for the non-pause section of... Agent: F. Chau & Associates, LLC

20080292026 - Digital signal receiver with q-monitor: A digital signal receiver for a high-bitrate digital signal has a serial signal input (20, 20′) and a number of N parallel digital signal outputs (26) with N>1. The receiver contains at least N+1 digital sampling channels (31-35), a Q-monitor (37, 38) for comparing the output signal of at least... Agent: Sughrue Mion, PLLC

20080292027 - Drm receiver and demodulation method: A Digitial Radio Mondiale (DRM) receiver and demodulation method includes a programmable downsampler and a programmable N-point Fast Fourier Transform (FFT) to recover and demodulate the OFDM symbols in a received DRM-encoded RF signal. The received signal is digitally sampled at a rate operably integer downsampled to achieve a number... Agent: Stmicroelectronics, Inc.

20080292025 - Low density parity check (ldpc) code decoder: A message-passing decoder for low-density parity-check codes (LDPC) is provided using a multi-value threshold scheme which is updated throughout the decoding iterations. In an embodiment the check node processing is implemented using the min-sum principle whereby for each corresponding row of the parity check matrix a first and a second... Agent: Blakely Sokoloff Taylor & Zafman LLP

20080292028 - Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor: There are disclosed a signal processing method and apparatus according to the present invention. The method includes the steps of acquiring pattern information corresponding to a pattern formed by a plurality of data, and pattern residual information generated in response to the pattern information, and acquiring the data based on... Agent: Fish & Richardson P.C.

20080292030 - Apparatus and method for decoding space-time block coded (stbc) signal: Apparatus and method for decoding a Space-Time Block Coded (STBC) signal. The decoding apparatus includes a channel estimator for estimating a real equivalent channel based on a coded signal; a channel converter for decomposing the real equivalent channel to a unit matrix and a subchannel; a receive signal converter for... Agent: Sughrue Mion, PLLC

20080292029 - Method and apparatus for carrier recovery using multiple sources: A receiver comprises a multiple source phase estimator. The latter comprises a pilot-phase estimator, a data-driven average phase estimator, a selector and a common interpolation controller. The selector selects either the pilot-phase estimator or the data-driven average phase estimator as the source of determined phase estimates at particular times. At... Agent: Joseph J. Laks Thomson Licensing LLC

20080292031 - Power management method and corresponding device: A device for receiving a radio frequency signal including consecutive bursts of data, the device includes a demodulating unit (12) having a plurality of processing elements (16) forming a data path for demodulating the radio frequency signal, a power management module (18) for activating the processing elements (16) before the... Agent: Young & Thompson

20080292033 - Arrangements for acquiring and using data obtained from received interference to facilitate data recovery: In some embodiments a method is disclosed for detecting periodic interference and predicting future interference times. The method can include detecting an arrival time of a first occurrence of interference and detecting an arrival time of a second occurrence of interference. The method can include transmitting preemptive interference mitigation control... Agent: Schubert, Osterrieder & Nickelson, PLLC C/o Intellevate, LLC

20080292032 - Arrangements for interference mitigation utilizing estimation: A method is disclosed for interference mitigation which can include receiving a signal having a data component, an interfering component and a time period and creating a first plurality of digitized data that represents at least a portion of the interfering component. The method can also include generating a polynomial... Agent: Schubert, Osterrieder & Nickelson, PLLC C/o Intellevate, LLC

20080292034 - Arrangements for interference mitigation utilizing recursive estimation: A method is disclosed that includes receiving a signal having a data vector component and an interfering component and creating a first set of digitized data that represents the interfering component. The method can also generate a polynomial equation based on the first set of digitized data and generate a... Agent: Schubert, Osterrieder & Nickelson, PLLC C/o Intellevate, LLC

20080292035 - Method and apparatus for channel bonding using a multiple-beam antenna: A system is provided that enhances the throughput and reliability of wireless communications by providing multi-beam user terminals that exhibit directional discrimination. Multiple wireless communication channels are matched with multiple beams created from an array antenna by a beam-forming processor. The multiple wireless communication channels are bonded into a single... Agent: O'melveny & Myers LLP Ip&t Calendar Department La-1118

20080292036 - Method and device for signal processing: A device (100, 200) and a method is provided for processing a signal. The device comprises a filter unit 5 (101, 201); an FFI unit (102, 202) operatively connected to the filter unit and being located after the filter unit along a signal path for the signal; and a compensation... Agent: Potomac Patent Group PLLC

20080292037 - Master side communication apparatus and slave side communication apparatus: A master side communication apparatus and a slave side communication apparatus wherein the structure of a receiving part of the slave side communication apparatus is simplified to achieve a reduced size, a reduced power consumption and a reduced cost. The master side communication apparatus performs a communication in synchronism with... Agent: Pearne & Gordon LLP

20080292038 - Signal processing device and method, and program: A signal processing device for detecting, from an input signal expressing data series, the data, including: a sampling clock generating unit for generating, from a driving clock with a predetermined cycle, multiple sampling clocks with mutually different phases and the same cycle as the cycle; a sampling data generating unit... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080292039 - Method for synchronising clock pulse devices: The invention relates to a method for synchronizing clock pulse devices. According to this method, an emission unit emits at least one narrow-band distant signal; clock pulse devices of receiving units are pre-synchronized by coupling the same to the source of one such distant signal; the emission unit emits a... Agent: Schiff Hardin, LLP Patent Department

20080292040 - Phase locked loop apparatus with adjustable phase shift: The phase locked loop (PLL) with adjustable phase shift is described. The PLL includes a voltage controlled oscillator which is capable of generating multiple phase shifted output signals, and multiple phase detectors capable of determining the phase differences between the output signals and a reference clock. The PLL further includes... Agent: Keusey, Tutunjian & Bitetto, P.C.

20080285625 - Frequency synthesizer applied to frequency hopping system: A frequency synthesizer applied to a frequency hopping system includes a voltage controlled oscillator (VCO), a phase lock loop (PLL) system, a second frequency divider, a first SSB mixer, a second SSB mixer, and a multiplexer. The VCO generates an oscillating frequency. The PLL system includes a first frequency divider... Agent: North America Intellectual Property Corporation

20080285626 - Exclusive pairing technique for bluetooth compliant medical devices: A method and system of establishing communications between at least two independent software modules in a safety critical system, such as a medical system, is provided. The design comprises providing an exclusive Bluetooth connection between at least two wireless devices. A master wireless device is configured with Bluetooth master device... Agent: Advanced Medical Optics, Inc.

20080285627 - Method for synchronisation and control in wireless communication systems: Method and device making it possible to synchronize a master station and one or more subscriber stations in a wireless communications network, comprising at least one processor disposed at the level of each of the subscriber stations and suitable for calculating each subscriber's transmit time adjustment by taking account of... Agent: Lowe Hauptman & Berner, LLP

20080285628 - Communications systems and methods for remotely controlled vehicles: A remote controller and a remotely controlled vehicle employ, at least in part, frequency hopping spread spectrum communications to communicate information between them. The remote controller transmits information for controlling the remotely controlled vehicle on substantially all of the frequencies of a hop sequence established by the two devices, but... Agent: Woodcock Washburn LLP

20080285629 - Method and apparatus for transferring signals in a wireless communication system: Data is transferred in a wireless communication system, such as a wireless spread spectrum communication system. A plurality of transmitting antennas are provided. Data is encoded to produce a plurality of data streams for each of the plurality of codes. The plurality of data streams are spread with the plurality... Agent: Volpe And Koenig, P.C. Dept. Icc

20080285630 - Method and apparatus for reducing code phase search space: A GPS communication system including a server and a client, each including a GPS receiver, for reducing the code phase search space of the GPS receiver of the client. The communication system includes a transmitter for transmitting timing information from the server to the client to help the client locate... Agent: Qualcomm Incorporated

20080285631 - Spread spectrum communication method and system using diversity correlation and multi-user detection: A communication system transmits and receives a plurality of spread-spectrum signals having differences in at least one diversity parameter. The signals are highly correlated when their diversity parameters are similar, and the signals are uncorrelated when at least one diversity parameter is different Any combination of a transmitter, a receiver,... Agent: Connolly Bove Lodge & Hutz LLP

20080285632 - Decoding of the overhead channels of the geo satellite reverse link: A power efficient technique is used to demodulate the coded overhead channels of a GEO satellite uplink. A coherent receiver used in a wireless communication system is able to determine the information conveyed in the overhead channel, by effecting channel estimates from codewords extracted from a pilot signal. A valid... Agent: Qualcomm Incorporated

20080285633 - Communication devices with integrated thermal sensing circuit and methods for use therewith: A communication device includes an integrated circuit having an on-chip thermal sensing circuit that generates a temperature signal based on a temperature of the integrated circuit. A processing module processes the temperature signal to generate temperature information that can be transmitted to a remote device or processes the temperature signal... Agent: Garlick Harrison & Markison

20080285634 - Near-end, far-end and echo cancellers in a multi-channel transceiver system: A transceiver according to the present invention receives data from a plurality of frequency separated transmission channels from a complementary transmitter and includes an interference filter for correcting for interference from transmitters other than the complementary transmitter. The interference filter, for example, can correct for near-end cross-talk and echo interference... Agent: Macpherson Kwok Chen & Heid LLP

20080285636 - Calibrating jitter: Calibrating jitter in a communication channel between test equipment and a connection for a device under test (DUT) includes sampling test data in the communication channel at about a point of the connection to produce sampled data, where the test data travels through the communication channel at a first rate,... Agent: Fish & Richardson P.C.

20080285637 - Device and method for calibrating mimo systems: A device and method for calibrating MIMO systems are disclosed. In one aspect, a calibration circuit comprises at least a first and a second input/output port, each arranged for being connected to a different transmitter/receiver pair of a multiple input multiple output (MIMO) system. The circuit further comprises at least... Agent: Knobbe Martens Olson & Bear LLP

20080285635 - Methods and apparatus to qualify a wire-pair for a digital subscriber line (dsl) service: Methods and apparatus to qualify a wire-pair for a digital subscriber line (DSL) service are disclosed. An example method comprises modifying a digital subscriber line (DSL) signal received on a wire-pair at a DSL modem to emulate an environmental condition, and qualifying the wire-pair for a DSL service based on... Agent: Hanley, Flight & Zimmerman, LLC

20080285638 - Channel equalization in a receiver: A method of estimating a channel response of a channel is provided that includes transforming a frequency domain signal received via the channel into a time domain signal and searching the time domain signal for a location of minimum energy. The method also includes padding the time domain signal with... Agent: Stmicroelectronics, Inc.

20080285639 - Offset calibration methods and radio frequency data path circuits: An offset calibration method is provided. Two input terminals of an equalizer are switched to a common voltage at a first time point, wherein the equalizer generates a first equalized signal and a second equalized signal according to the common voltage. It is determined whether a first offset voltage is... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080285641 - slicer input and feedback filter contents for block coded digital communications: Improved decision directed adaptation and decision feedback equalizers are provided in a block coded digital communication system. The performance of a receiver is significantly improved by allowing the decision feedback equalizer to perform time-tracking and residual frequency offset compensation during the data portion of a frame. This is accomplished by... Agent: Qualcomm Incorporated

20080285640 - Rf transmitter with nonlinear predistortion and method therefor: An RF transmitter (10) includes a nonlinear predistorter (24). The nonlinear predistorter (24) is implemented using adaptive equalizers (30′, 30″). A feedback signal (20) is developed by downconverting an RF communication signal (16). The feedback signal (20) is used in driving tap coefficients (34) for the adaptive equalizers (30′, 30″).... Agent: Meschkow & Gresham, P.L.C

20080285643 - Method and system for transforming uncompressed video traffic to network-aware ethernet traffic with a/v bridging capabilities and a/v bridging extensions: Aspects of a system for transforming uncompressed video traffic to network-aware Ethernet traffic with A/V bridging capabilities and A/V bridging extensions may include a graphics processing unit (GPU) that may enable encapsulation of uncompressed video data and/or auxiliary channel data within a Display Port protocol data unit (PDU). A LAN... Agent: Mcandrews Held & Malloy, Ltd

20080285642 - Two-dimensional filtering architecture: A first filtering module filters actual pixel values in a first direction (e.g., vertically), and a second filtering module filters interpolated pixel values received from the first filtering module in a second direction (e.g., horizontally). Also, a third filtering module filters actual pixels in the second direction. A computation module... Agent: Kacvinsky LLC C/o Intellevate

20080285646 - Activity normalization for video encoding: The invention facilitates the normalization of activity normalization parameters to be used to select the proper quantization value for encoded video data that directly influences the Human Visual System (HVS).... Agent: Lowrie, Lando & Anastasi, LLP Z2002

20080285645 - Adaptive border processing: A video compression apparatus and method for producing a compressed video signal from an input video signal includes quantisation control means 13 for varying a level of quantisation within an image of the video signal proximate to borders of the image.... Agent: Seyfarth Shaw LLP

20080285647 - Picture processing apparatus, picture processing method, picture processing program and recording medium: Occurrence of mosquito noise of a macro block that contains even a small plain region is suppressed. One macro block is subdivided into sub blocks each of which is composed of four pixels×four lines. The average value of luminance levels of each sub block is calculated. The absolute values of... Agent: Frommer Lawrence & Haug

20080285648 - Efficient video decoding accelerator: The present invention relates to a decoding apparatus and method for decoding compressed video data having a plurality of video frames with a plurality of blocks, wherein the video frames are split in a first predetermined direction into at least two stripes whose width does not exceed a hardware prediction... Agent: Nxp, B.v. Nxp Intellectual Property Department

20080285652 - Apparatus and methods for optimization of image and motion picture memory access: A cache memory device for location between a main memory and a requesting processor is disclosed. The main memory stores memory blocks, some of which are temporarily located in the cache memory device to improve retrieval performance. The cache memory device is configured to receive requests for respective memory blocks,... Agent: Martin D. Moynihan D/b/a Prtsi, Inc.

20080285655 - Decoding with embedded denoising: Methods and systems for denoising embedded digital video decoding. Prediction and residue block of a current frame are obtained from motion vector. Variance of residue block is calculated using prior reference blocks, and a causal temporal linear minimum square error estimator is used to calculate a filter coefficient. The residue... Agent: Groover & Associates

20080285649 - Method and apparatus for encoding a picture sequence using predicted and non-predicted pictures which each include multiple macroblocks: In MPEG, most video frames are encoded in inter mode. Every now and than a video frame is encoded in intra mode in order to limit error propagation and to enable access points for starting decoding of the video sequence. According to the invention, however, it is sufficient to encode... Agent: Joseph J. Laks Thomson Licensing LLC

20080285653 - Motion estimation method: A method for estimating the motion vector for a current macroblock within a current frame is provided by reference to a number of reference macroblocks within the previous frame. The method includes the following steps. First, an error between the current macroblock within a current frame and each of the... Agent: Rabin & Berdo, PC

20080285654 - Multiview coding with geometry-based disparity prediction: Described herein is technology for, among other things, multiview coding with geometry-based disparity prediction. The geometry-based disparity prediction involves determining corresponding block pairs in a number of reconstructed images for an image being coded. The reconstructed images and the image represent different views of a scene at a point in... Agent: Microsoft Corporation

20080285651 - Spatio-temporal boundary matching algorithm for temporal error concealment: A system and methodology for concealing an error in a video signal is provided. In accordance with one aspect of the present invention, the system and methodology employ a Spatio-Temporal Boundary Matching Algorithm, which utilizes a distortion function that takes into account both the spatial and temporal smoothness properties of... Agent: Amin, Turocy & Calvin, LLP

20080285650 - System and method for phase adaptive occlusion detection based on motion vector field in digital video: Systems and methods for efficiently reformatting video data in regions of video including occlusions are disclosed. In one embodiment, the method includes determining multiple motion vectors that link/relate matching blocks of two reference frames and calculating a measure related to overlap area of the matching blocks in one or both... Agent: Knobbe Martens Olson & Bear LLP

20080285644 - Apparatus and method for encoding and decoding moving picture using adaptive scanning: Provided is an apparatus and method for encoding/decoding moving pictures based on adaptive scanning. The moving picture apparatus and method can increase a compression rate based on adaptive scanning by performing intra prediction onto blocks of a predetermined size, and scanning coefficients acquired from Discrete Cosine Transform (DCT) of a... Agent: Ladas & Parry LLP

20080285656 - Three-loop temporal interpolation for error concealment of multiple description coding: Improved systems and methods for error concealment of multiple description coding (MDC) encoded streams are provided based on a three loop interpolation of lost frames. Error concealment of the present invention can be combined with the error resilience provided by MDC to reconstruct lost frames, such that the propagated error... Agent: Amin, Turocy & Calvin, LLP

20080285657 - Method and apparatus for determining whether adjacent macroblocks are located in the same slice: The present invention is directed to a method for determining whether a current macroblock and an adjacent macroblock thereof are located in the same slice. The method is used in a predetermined process for a block-based digitally encoded image. The block-based digitally encoded image is represented as an encoded bit-stream... Agent: Birch Stewart Kolasch & Birch

20080285658 - Decoding circuit: Input bits having a predetermined number of bits are divided into a plurality of bits by a bit dividing apparatus. Several of the divided bits are input into a recording apparatus, and are converted into address information. The data subjected to variable length decoding and a number of bits of... Agent: Osha Liang L.L.P.

20080285660 - Dual decoder portable media device: A portable media device 100 including two onboard hardware media decoders (124, 128) operative to decode a given digital content item 148 is provided. In some embodiments, one of the onboard hardware media decoders 128 has a relatively high power consumption and produces a relatively ‘high quality’ media signal, and... Agent: Mark M. Friedman

20080285659 - Methods of operating a dual decoder portable media device: Methods of operating a portable media device 100 including two onboard hardware media decoders (124, 128) operative to decode a given digital content item 148 are disclosed. In some embodiments, one of the onboard hardware media decoders 128 has a relatively high power consumption and produces a relatively ‘high quality’... Agent: Mark M. Friedman

20080285661 - High speed serial link output stage having self adaptation for various impairments: A high speed serial link structure and method are provided, comprising a data driver and a replica driver structure, the replica driver structure comprising a replica driver, a calibration engine and a peak level detector. The calibration engine compares a peak level detector output to a reference value and responsively... Agent: Driggs, Hogg, Daugherty & Del Zoppo Co., L.p.a.

20080285662 - Transformer data coupler with high common mode immunity: A data coupler includes a transformer having primary and secondary windings, a data transmitter coupled to the primary winding of the transformer, and a data receiver coupled to the secondary winding. The data transmitter includes a first driver and a second driver having outputs coupled to respective ends of the... Agent: Blakely Sokoloff Taylor & Zafman LLP

20080285663 - Ultra-wideband communication system for very high data rates: The invention concerns an ultra-wideband information transmission method comprising a first encoding step on the part of the transmitter, in which a pulse group which is formed from a predetermined number of individual pulses is encoded in dependence on values of a random number sequence, and a correlation step on... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP

20080285671 - Adaptive maxlogmap-type receiver structures: A method and apparatus is disclosed herein for adaptive MaclogMAP-type receiver structures. In one embodiment, a device comprises a receiver to receive information-bearing signals from the transmitter wirelessly transmitted using OFDM and bit interleaved coded modulation, and the receiver comprises an inner decoder structure having a multiple-in multiple-out (MIMO) joint... Agent: Blakely Sokoloff Taylor & Zafman LLP

20080285672 - Apparatus and method for evaluating jpropagation path conditions: A measurement indicator, “transfer efficiency,” is provided for evaluating conditions of propagation paths of wireless communication systems having a plurality of transmitting and receiving antennas. Transfer functions of signal paths are calculated from data of received signals that are obtained with receiving antennas by receiving OFDM signals transmitted by transmitting... Agent: Matthew D. Rabdau Tektronix, Inc.

20080285673 - Apparatus and method for reducing peak to average power ratio based on tile structure in broadband wireless communication system: A broadband wireless communication system is provided. A transmitting end of the broadband wireless communication system includes: a controller for receiving a plurality of Orthogonal Frequency Division Multiple Access (OFDMA) symbols, and for generating the same number of symbol sets corresponding to the OFDMA symbols wherein each symbol set includes... Agent: Docket Clerk

20080285667 - Method and apparatus for feedback in closed loop transmitting: A method an apparatus is described for providing feedback for closed-loop transmitting with multiple transmit and receive antennas. The method includes a first step 900 of providing a codebook containing sets of weightings for each data stream of the multiple transmit antennas with each set identified by an index known... Agent: Motorola, Inc.

20080285668 - Method for processing control information in a wireless mobile communication system: In a wireless mobile communications system, a method for processing control information allows the operations of a mobile terminal to be simplified and permits efficient use of resources for the mobile terminal. The network instructs in advance, the transmission of control information, such as system information and the like, via... Agent: Lee, Hong, Degerman, Kang & Schmadeka

20080285666 - Methods and systems for digital wireless communication: Methods and systems for digital wireless communication are provided.... Agent: Byrne Poh LLP

20080285665 - Methods and systems for providing feedback for beamforming: Methods and systems for providing feedback for beamforming are provided. In some embodiments, methods for providing feedback for beamforming are provided, the methods comprising: initializing a weighting vector; determining a perturbation vector; determining a plurality of weighting vectors to be applied to data based on the weighting vector and the... Agent: Byrne Poh LLP

20080285669 - Mimo wlan system: A multiple-access MIMO WLAN system that employs MIMO, OFDM, and TDD. The system (1) uses a channel structure with a number of configurable transport channels, (2) supports multiple rates and transmission modes, which are configurable based on channel conditions and user terminal capabilities, (3) employs a pilot structure with several... Agent: Qualcomm Incorporated

20080285670 - Mimo wlan system: A multiple-access MIMO WLAN system that employs MIMO, OFDM, and TDD. The system (1) uses a channel structure with a number of configurable transport channels, (2) supports multiple rates and transmission modes, which are configurable based on channel conditions and user terminal capabilities, (3) employs a pilot structure with several... Agent: Qualcomm Incorporated

20080285664 - Mode and rate control for mimo transmission: Techniques for performing mode and rate control for a MIMO transmission are described. For mode selection, the use of an eigensteering mode is permitted if a first set of at least one criterion is satisfied. The eigensteering mode is selected for data transmission if a second set of at least... Agent: Qualcomm Incorporated

20080285674 - Diversity receiver: A diversity receiver includes N number of Fourier transform circuits, N number of channel state estimators, N number of channel equalizers, N number of soft demappers, N number of noise power estimators, N number of multipliers, a combination/selection unit, and a channel decoder. The noise power estimators and multipliers provided... Agent: Birch Stewart Kolasch & Birch

20080285675 - Multiple antenna transmission with variable diversity gain: A MIMO transmitter has a modulator (40,41,42, 120, 122) a demultiplexer 100 arranged to divide the information into one or more demux streams for transmission over different ones of the channels, and a diversity splitter (110) to derive one or more sub-streams of the same information. A decorrelator (120) such... Agent: Philips Intellectual Property & Standards

20080285677 - Apparatus and method for transmitting signals with multiple antennas: An apparatus for transmitting signals with multiple antennas is disclosed. The multiple antenna transmission apparatus performs space-time encoding or space-frequency encoding, and cyclically delays the encoded symbol with a plurality of delay-values to generate a plurality of delayed symbols. The multiple antenna transmission apparatus transmits the plurality of delayed symbols... Agent: Cantor Colburn, LLP

20080285679 - Broadcasting service transmission/reception method and apparatus for providing fast access to broadcasting service: Provided are a method and apparatus for providing fast access to a broadcasting service transferred. The apparatus includes a reception unit for receiving one or more transmission frame; a transmission frame processing unit for analyzing access information required to access a turbo stream for a primary service to be primarily... Agent: Sughrue Mion, PLLC

20080285680 - Reconfigurable alamouti/abba decoder circuit, system, and method: A decoder apparatus for decoding a first input set of demodulated data elements obtained by demodulating transmitted data elements received over a transmission channel so as to obtain a corresponding output set of decoded data elements. The decoder apparatus includes a first register a first selector coupled to the first... Agent: Graybeal, Jackson, Haley LLP

20080285676 - Transmission of analog signals in a system-on-chip: A circuit of a system-on-chip for the transmission of an analog signal at a given transmission frequency modulated by a digital input signal coded in a number m of bits, includes 2m−1 unit cells each having a first block adapted to receive an activation voltage through an associated switch, and... Agent: Seed Intellectual Property Law Group PLLC

20080285678 - Transmitter, receiver, transmitting method, receiving method, variable-length serial burst data transfer system, semiconductor device and hybrid semiconductor device: A transmitter for use in a variable-length serial burst data transfer system having the transmitter and a receiver that are connected by at least two data transmission lines and a burst start line includes a two-line encoder and a burst start signal receiving portion. During transmitting variable-length serial transmit data... Agent: Oliff & Berridge, PLC

20080285681 - Systems and methods of rf power transmission, modulation, and amplification: 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.

20080285682 - Calibration apparatus and method for quadrature modulation system: A calibration apparatus for a quadrature modulation system with a quadrature modulation compensator and a logarithmic envelop detector, wherein a parameter update of the quadrature modulation compensator is derived by utilizing a transformed offset value and a transformed gain value of the logarithmic envelop detector as intermediate parameters, and the... Agent: Knobbe Martens Olson & Bear LLP

20080285683 - Serial data receiving circuit: Solution: When a start instruction is received through a IF unit 23 from a CPU, a sequence control unit 22 supplies a master clock signal MCK as an internal clock signal ICK through a gate unit 11. A start-bit measuring unit 12 measures the time length of the start-bit of... Agent: Nixon Peabody, LLP

20080285685 - Apparatus and method for generating soft bit metric and m-ary qam receiving system using the same: Provided are an apparatus and method for generating a soft bit metric and a multi-level (M-ary) Quadrature Amplitude Modulation (QAM) receiving system using the same. The apparatus includes an analog to digital converter for converting an analog symbol signal of a demodulated I (Inphase) or Q (Quadrature) channel into a... Agent: Ladas & Parry LLP

20080285684 - Compact dual receiver architecture for point to point radio: A radio frequency receiver comprising a receiver module, an intermediate frequency (“IF”) module, a synthesizer module and a controller module. The receiver module receives a radio frequency signal and provides a baseband in-phase signal and a baseband quadrature signal eliminates a sideband of the in-phase and quadrature signals to create... Agent: Thelen LLP

20080285686 - Antenna selection apparatus and methods: An apparatus and method for antenna selection diversity are provided. Antennas are selected by summing moments of space-time block encoded signals received via each respective antenna and selecting at least one antenna with the largest moment sum.... Agent: Mcdonnell Boehnen Hulbert & Berghoff LLP

20080285687 - Apparatus, and associated method, for detecting values of a space-time block code using selective decision-feedback detection: A selective decision-feedback detector for the space-time block code which provides both diversity and spatial multiplexing. To detect a received code block of transmitted symbols, the channel matrix is properly preprocessed with the real and imaginary parts decoupled, and the selective decision-feedback detector makes multiple decisions on the same block... Agent: Research In Motion Attn: Glenda Wolfe

20080285688 - Method and a device for decoding turbo codes: A method and a device (20) for decoding a frame capable of being split into p sub-frames each consisting of k information symbols, a first n−k redundant symbols and a last n−k redundant symbols. The decoding process uses two individual decoders (21, 23) which concurrently produce extrinsic data (Extr1i, Extr2i)... Agent: Cohen, Pontani, Lieberman & Pavane LLP

20080285689 - Start-up automatic frequency control (afc) method and apparatus: A method and apparatus for use in connection with wireless communication to adjust the frequency of an oscillator to synchronize with a received signal by correlating a synchronization code channel with training sequences to estimate relative offsets which are employed to estimate an error, which is then filtered. The filtered... Agent: Volpe And Koenig, P.C. Dept. Icc

20080285690 - Electric field state determination method for digital multimedia broadcast and portable device using the same: A method for accurately estimating the received signal strength of a broadcast system and a portable device that may receive broadcast signals using the received signal strength estimation method are provided. An electric field state determination method for digital multimedia broadcast includes determining a current electric field on the digital... Agent: H.c. Park & Associates, PLC

20080285692 - Method and apparatus for parallel midamble cancellation: Method and apparatus for performing midamble cancellation to remove midamble interference from the convolution tail of data field 1 and the first W-1 chips of the midamble field which results from the delay spread of the multipath channel and for canceling the first W-1 chip midamble spread in the data... Agent: Volpe And Koenig, P.C. Dept. Icc

20080285691 - Wireless system with hybrid automatic retransmission request in interference-limited communications: A wireless receiver (30x) for receiving signals from an interference-limited transmitter in an interference-limited system comprising at least one transmit antenna, wherein the signals comprise a plurality of symbols. The receiver comprises at least one receive antenna (RATx) and collection circuitry (38). The collection circuitry is coupled to the at... Agent: Texas Instruments Incorporated

20080285694 - Clock-data recovery circuit, multi-port receiver including the same and associated methods: A clock-data recovery circuit includes a plurality of input ports and a code generation circuit. The plurality of input ports generates sampling clock signals based on digital control codes and samples input data signals based on the sampling clock signals to generate output data signals and phase detection signals, respectively.... Agent: Lee & Morse, P.C.

20080285693 - Receiver apparatus for processing amplitude-modulated signal: An amplitude-modulation signal reception apparatus is provided. The amplitude-modulation signal receiver apparatus includes a timing recovery module, a symbol phase shift unit, and an equalizer. The carrier recovery module removes a frequency offset and a phase jitter from an amplitude-modulation signal to generate a carrier recovered signal. The timing recovery... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080285695 - Method and arrangements for link power reduction: Methods and arrangements to determine phase adjustments for a sampling clock of a clock and data recovery (CDR) loop based upon subsets of data samples, or values, derived from an incoming data signal are disclosed. In particular, embodiments extend the CDR loop by slowing the clock rate with respect to... Agent: Ibm Coporation (rtp) C/o Schubert Osterrieder & Nickelson PLLC

20080285696 - Techniques for integrated circuit clock management using multiple clock generators: A clock generator system (400) includes a phase locked loop (PLI,) (402), a first clock generator (404), and a second clock generator (406). The PLL (402) includes a first output configured to provide a first clock signal at a first frequency and a second output configured to provide a second... Agent: Larson Newman Abel Polansky & White, LLP

20080285699 - Communication system using multi-phase clock signals: A communication system using multi-phase clock signals. The communication system includes a transmitter and a receiver. The transmitter outputs first data and a clock signal based on first multi-phase clock signals, and performs a coarse lock operation on the clock signal in response to a bit lock detection signal indicating... Agent: Marger Johnson & Mccollom, P.C.

20080285698 - Digital forced oscillation by direct digital synthesis: An opportunity is apparent to develop alternative circuitry. Simplified circuitry without artifacts tied to the clock that drives a digital frequency generator (DFG) is useful in a variety of tunable electronic devices. The present invention relates to digital frequency generation. In particular, it relates to a method and apparatus for... Agent: Ess Technology, Inc C/o Haynes Beffel & Wolfeld LLP

20080285697 - System for providing open-loop quadrature clock generation: A system for providing open-loop quadrature clock generation. The system is implemented by a ring oscillator structure that includes input inverters for receiving an input clock, forward direction loop inverters, backward direction loop inverters, one or more outputs, and cross-coupled latches connected between any two opposite nodes.... Agent: Cantor Colburn LLP-ibm Poughkeepsie

20080279256 - Method and apparatus for eliminating narrow band interference by means of windowing processing in spread spectrum system: A device and method for eliminating narrow-band interference by way of windowing in a spread spectrum system, wherein the device comprises of a frequency spectrum transform unit, an interference elimination unit, an interference elimination control unit and a frequency spectrum inverse transform unit. Said method comprises the following steps: extracting... Agent: Banner & Witcoff, Ltd.

20080279257 - Random access dimensioning methods and procedues for frequency division multiplexing access systems: A method of determining random access resources performed by a mobile terminal, the method comprising: receiving information on available random access resources from a network; deciding how to derive the random access resources to be allowed based on default values or information received from the network; measuring received signal quality... Agent: Lee, Hong, Degerman, Kang & Schmadeka

20080279258 - Wireless communication system and frequency hopping method therefor, and base station and mobile station: In a wireless communication system, a control unit (17) of a base station (1) sets a frequency hopping cycle longer than a predetermined value during a certain measurement interval in which an measurement of a frequency drift is conducted, allowing reception of a plurality of reference signals of the same... Agent: Sughrue Mion, PLLC

20080279259 - Radio communication apparatus, base station and system: Radio communication apparatus for receiving OFDM signal from base station and transmitting FH signal to base station, using sub-channels, base station comparing hopping pattern information items indicating hopping patterns from radio communication apparatuses including radio communication apparatus, and generating collision information when hopping patterns include colliding hopping patterns, includes estimation... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080279261 - Correlation coprocessor: Apparatus and method for providing correlation in a CDMA receiver. A Generic Correlation Coprocessor comprises one or more correlation blocks. Each correlation block comprises a correlation input buffer coupled to one or more correlators. The correlators are coupled to an interpolator input buffer and to a correlator output buffer. One... Agent: Texas Instruments Incorporated

20080279260 - Low power consumption gnss receiver and method thereof: Disclosed is a low power consumption GNSS receiver by adaptively adjusting clock frequency. A correlator performs correlations to signals received from the channels with a correlator clock frequency. A DSP controls the correlator clock frequency according to a correlator load to performing correlations. The DSP calculates and adjusts code phases... Agent: Madson & Austin

20080279263 - Method and apparatus for reducing interference in space frequency block coding communication: A method and apparatus of reducing interference in space frequency block coding (SFBC) communication are disclosed. SFBC encoding is performed on at least one pair of symbols. The symbols are assigned to subcarriers in accordance with a frequency assignment pattern assigned to a cell. Different frequency assignment patterns are assigned... Agent: Volpe And Koenig, P.C. Dept. Icc

20080279262 - On chip transmit/receive selection: An integrated circuit radio transceiver and method therefor includes transmit-receive selection circuitry that in a transmit mode, enables a circuit path between an output stage amplifier and an output node or antenna and disables a circuit path between an input amplifier and the output node or antenna. Alternatively, in a... Agent: Garlick Harrison & Markison

20080279264 - High speed data bus for communicating between wireless interface devices of a host device: A circuit includes a first wireless interface circuit that communicates packetized data to a first external device in accordance with a first wireless communication protocol. A second wireless interface circuit communicates packetized data to a second external device in accordance with a second wireless communication protocol. A plurality of signal... Agent: Garlick Harrison & Markison

20080279265 - Communication methods and apparatuses: A system and method for communication provides an adaptation value for at least one communication parameter, the adaptation value describes a variation of the communication parameter to be enabled during that data communication. The communication parameter is determined such that the variation indicated by the adaptation value is possible during... Agent: Slater & Matsil LLP

20080279266 - Determining transmission latency: According to one embodiment of the invention, a method for receiving in a signal processing subsystem a first signal comprising a predetermined pattern and a second signal comprising the predetermined pattern, and determining by the signal processing subsystem a transmission latency between the received first signal and the received second... Agent: Intel/bstz Blakely Sokoloff Taylor & Zafman LLP

20080279267 - Signal processing apparatus, signal processing method, and program: A signal processing apparatus configured to process a signal transmitted via a transmission path where a waveform represented by a signal value of a particular symbol is stationarily distorted in accordance with values of symbols transmitted prior to the particular symbol, including the following elements: a receiving unit configured to... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080279268 - Method for measuring noise, apparatus for measuring noise, and program for measuring noise: The frequency of signals under test is stabilized and the noise components of the signals under test whose frequency has been stabilized is measured. When the noise of the object under test is related to frequency or phase, the measured noise components are corrected based on the properties of frequency... Agent: Agilent Technologies Inc.

20080279269 - Systems and methods for loop termination detection based on per-port calibration: Systems and methods for performing loop termination are described. One embodiment is a method that comprises receiving a per-port calibrated echo signal of a loop under test, receiving a region designation and a loop length for the loop under test, and determining whether the loop is terminated by a short... Agent: Thomas, Kayden, Horstemeyer & Risley, L.L.P.

20080279270 - High speed data packet access minimum mean squared equalization with direct matrix inversion training: The present invention provides a equalizer processing module operable to cancel interference associated with received radio frequency (RF) burst(s). This equalizer processing module includes a first equalizer processing branch and an optional second equalizer processing branch. The first equalizer processing branch is operable to be trained by applying a recursive... Agent: Garlick Harrison & Markison

20080279271 - Very high speed low power receiver equalization system for non-return-to-zero transmission: A very high speed low power receiver equalization system for non-return-to-zero transmission is disclosed. The equalizer comprises a three stage architecture, preferably controlled by three main parameters, the low frequency gain controlled through Rfb, the peaking frequency settled by the capacitor Cfpk, and the variable peak boosting Gpk which provides... Agent: Ibm Microelectronics Intellectual Property Law

20080279272 - Contents reproducing apparatus: A contents reproducing apparatus includes a clock unit configured to count a STC, and output a counter value, a receiving unit configured to receive a packet having an ES containing encoded video data or the encoded audio data, an transport error indicator to be used for detecting an error, and... Agent: Frishauf, Holtz, Goodman & Chick, PC

20080279273 - Uri pointer system and method for the broadcast of mpeg-4 data in an atsc mpeg-2 transport stream file system: A URI pointer system and method are provided for the referencing of MPEG-4 data resources carried in an American ATSC MPEG-2 TSFS. The method comprises: receiving an MPEG-2 TS, with a packetized ATSC TSFS; locating a URI in the TS; in response to the URI, accessing an address such as... Agent: Kai-chieh Liang

20080279275 - Image-processing apparatus and method thereof: In order to set a quantization step according to a target amount of code with high precision, a coefficient set according to the resolution of a moving picture to be encoded and the encoding method of a frame to be encoded is selected from a plurality of coefficient sets corresponding... Agent: Cowan Liebowitz & Latman P.C. John J Torrente

20080279276 - Data processing system and method, communication system and method, and charging apparatus and method: In a communication system for serving data corresponding to a request from the user and charging the user for the data served to the user, when the user designates a result of a desired one of a plurality of different operations, a usage management unit selects a one, corresponding to... Agent: Frommer Lawrence & Haug

20080279278 - Method of doubling frame rate of video signals: A method for doubling the frame rate of video signals creates an interpolated video frame using a current frame and a previous frame. First, the current frame is sequentially received. The interpolated frame is inserted between a previous frame and the current frame, in which values for each pixel in... Agent: Wpat, PC Intellectual Property Attorneys

20080279277 - Methods and systems for performing image processing upon pixel data and loading pixel data in parallel: A method for performing a specific image processing upon data loaded in a memory unit. The method includes loading non-overlapping pixel data of a second image processing range in a second reference frame into the memory unit, wherein the non-overlapping pixel data are pixel data not within an overlapped area... Agent: North America Intellectual Property Corporation

20080279279 - Content adaptive motion compensated temporal filter for video pre-processing: A method of processing a video sequence is provided. The video sequence includes a plurality of video frames, wherein each of the plurality of video frames includes a plurality of macroblocks. Further, each of the plurality of macroblocks includes a plurality of pixels. The method includes determining energy values for... Agent: Innovation Management Sciences

20080279280 - Moving picture decoding integrated circuit: A moving picture decoding device includes a cache memory for storing a reference picture, in addition to a multi-frame memory (external memory) for storing reference pixel data of a plurality of reference pictures, for processing of a HD image size large in angle of view. A reference structure analyzer analyzes... Agent: Mcdermott Will & Emery LLP

20080279274 - Circuit and method for generating fixed point vector dot product and matrix vector values: An integrated circuit (102) and method computes fixed point vector dot products (424) and/or matrix vector products using a type of distributed architecture that loads bit planes (add00-add30) and uses the loaded bit planes to generate a plurality of partial products (416-422) directly, such as without a lookup table, and... Agent: Christopher J. Reckamp Vedder Price Kaufman & Kammholz, P.C.

20080279281 - Method and system for compound conditional source coding: Embodiments of the invention describe a compound conditional source coding method and system for communicating source data over a network. Length-n random uncompressed source data are drawn according to a distribution px(x), and serves as input data to an encoder. A set P of candidate side-information vectors is also input... Agent: Mitsubishi Electric Research Laboratories, Inc.

20080279283 - Methods for adaptive video quality enhancement: A method for improving video quality of a video stream. The method decodes the video stream and generates subblocks of video data from the video stream. The method then removes effects of subblock boundaries from previous deblocking. Each subblock is then smoothed to create pixel values and optionally, subblocks are... Agent: Gibbons P.C.

20080279282 - Moving image converting apparatus, moving image converting method, and computer program: A moving image converting apparatus includes: a block dividing unit executing block division processing for each of frames that form the moving image data; a motion amount detecting unit detecting a block motion amount corresponding to a motion amount of an object contained in each of blocks obtained; a line-of-sight... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080279284 - System and method for adapting video decoding rate by multiple presentation of frames: An embodiment of the present invention provides systems and methods for adaptive video decoding. An example method includes: receiving a video stream comprising a first plurality of pictures having a first type and a second plurality of pictures having a second type; determining whether a resource in the system is... Agent: Thomas, Kayden, Horstemeyer & Risley Scientific Atlanta, A Cisco Company

20080279286 - Image-processing apparatus and method: An image-processing apparatus is configured to read encoded video data from a recording medium, decode the encoded video data, and re-encode the decoded video data. Further, the image-processing apparatus is configured to record information about a viewing-operation-history relating to the encoded video data and determine a target bit rate of... Agent: Canon U.s.a. Inc. Intellectual Property Division

20080279285 - Video processing: A video processing apparatus comprises a first camera (I) for producing a first image signal (9), and a second camera (3) for producing a second image signal (11). The first image signal (9) and the second image signal (11) are offset versions of the same scene, for example relating to... Agent: Philips Intellectual Property & Standards

20080279287 - Code type transmitting device and code type receiving device: Provided is a communication system which exploits status information expressed in the shift time of a code series. A code type transmitting device 1 for converting input data into the shift time of a code pulse train and transmitting the shift time comprises means 80 for generating a synchronizing signal... Agent: Wenderoth, Lind & Ponack, L.L.P.

20080279288 - Digital isolator interface with process tracking: An interface comprises a converter configured to track process characteristics across an isolation barrier and modify amplitude of a fast differential edge modulation as a function of speed of an active device on a transmitting side of the isolation barrier, and a differentiator configured to differentiate the fast differential edge... Agent: Koestner Bertani LLP

20080279289 - Transmitter, receiver, method for transmitting, method for receiving, fixed length serial burst data transfer system, semiconductor device, and hybrid semiconductor device: A transmitter included in a fixed length serial burst data transfer system in which the transmitter and a receiver are coupled to each other through at least two data transmission lines includes a two wire encoder encoding fixed length serial transmit data having binary digits to transmit data symbols each... Agent: Oliff & Berridge, PLC

20080279293 - Coded orthogonal frequency division multiplexing method and apparatus: A method and apparatus for transmitting and receiving data via guard tones are described. The information bits are coded by convolutional encoder (101) and some of the punctured bits from punctured (102) are selected with bit selector (105) and subject as the punctured data to interleaving by an interleaver (106-103... Agent: Philips Intellectual Property & Standards

20080279297 - Method and apparatus for decoding transmission signals in a wireless communication system: Disclosed is a method and an apparatus for decoding transmission signal. The method includes the steps of: receiving transmission signal including repeated symbols; deinterleaving the received signal; mutually combining the repeated symbols in the deinterleaved signal; and decoding the combined symbols. According to the method, reception performance is improved as... Agent: Townsend And Townsend And Crew, LLP

20080279296 - Method for transmitting control information, and method for generating codeword for the same: A method for transmitting downlink control information and a method for generating a codeword for the same are disclosed. In generating a long code having a low code rate, a basic code of which minimum distance between codes is maximized is repeated by a prescribed number of times and bits... Agent: Lee, Hong, Degerman, Kang & Schmadeka

20080279291 - Ofdm transmission and reception for non-ofdma signals: Methods and apparatuses for Orthogonal Frequency-Division Multiplexing (OFDM) communication of non-OFDM radio signals are disclosed. The non-OFDM radio signals are force-modulated into OFDM signals. In one example, a non-OFDM signal is received and is processed into an OFDM signal to produce a created OFDM signal. An actual OFDM signal is... Agent: Wolf Greenfield (microsoft Corporation) C/o Wolf, Greenfield & Sacks, P.C.

20080279295 - Tds-ofdma communication system uplink timing synchronization: In a TDS-OFDM communications system for uplink wireless communication multiple accesses through sub-channelization, the system comprising: a plurality of users with each user using a portion of available time-frequency radio resources to achieve orthogonal multiple access; a plurality of available bandwidth, wherein the available bandwidth is divided into multiple sub-bands;... Agent: Frank F. Tian

20080279294 - Tds-ofdmaa communication system uplink frequency synchronization: TDS-OFDM can be applied to uplink wireless communication multiple accesses through sub-channelization, which means that each user uses a portion of available bandwidth to achieve orthogonal multiple access, where the sub-carriers in each sub-band may be contiguous or distributed. Inside the bandwidth for each user, at least one random or... Agent: Frank F. Tian

20080279290 - Technique for operating a communication system at a higher spectral utilization for wireless broadband applications: A technique of operating a communication system includes receiving a first communication signal that is assigned to a first frequency band that does not overlap with a second frequency band. The first communication signal is frequency translated to a second communication signal that falls within an available bandwidth in the... Agent: Larson Newman Abel Polansky & White, LLP

20080279292 - Wireless communication apparatus and method: The wireless transmission apparatus generates one or a plurality of Orthogonal Frequency Division Multiplexing (OFDM) symbols for channel estimation, each OFDM symbol including plural subcarriers and having a known signal sequence of known signals which are linearly independent between adjacent subcarriers, and transmits the OFDM symbols.... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080279298 - Multiple-input multiple-output (mimo) detector incorporating efficient signal point search: A novel and useful apparatus for and method of multiple input multiple output (MIMO) detection for use in MIMO based communication systems. The mechanism of the invention performs a simplified tree search utilizing a single stage expansion of the most likely first symbol candidates, in the case of a 2×2... Agent: Zaretsky Patent Group PC

20080279301 - Multiple antennas transmit diversity scheme: A method from transmitting data via multiple antennas. The method contemplates modulating data to be transmitted into a plurality of modulated symbols, encoding each pair of modulated symbols from among said plurality of symbols in accordance with a transmission diversity scheme to result in a plurality of 2 by 2... Agent: Robert E. Bushnell

20080279299 - Multiple-input multiple-output (mimo) detector incorporating efficient signal point search and soft information refinement: A novel and useful apparatus for and method of multiple input multiple output (MIMO) detection for use in MIMO based communication systems. The mechanism of the invention performs a simplified tree search utilizing a single stage expansion of the most likely first symbol candidates, in the case of a 2×2... Agent: Zaretsky Patent Group PC

20080279300 - System and method of transmitting and receiving satellite digital radio signals over an odd number of frequency slots: A system and method for transmitting and receiving data which includes at least one satellite, at least one transmitter in communication with the at least one satellite, and at least one receiver in communication with the at least one satellite. The transmitter modulates source data into a first modulated signal... Agent: Delphi Technologies, Inc.

20080279302 - Contactless transmission of electrical signals between two units: The invention discloses an arrangement and an associated method for contactless transmission of electrical signals between two units 1, 2, wherein a first unit 1 has a transmitting element 11 emitting electrical signals and at least one conductor 13 connected thereto, and wherein a second unit 2 has a receiving... Agent: Brinks Hofer Gilson & Lione

20080279304 - Data transmitting device, data transmitting method, data transmitting and receiving system, data transmitting computer program and stroage medium therefor, data receiving device, data receiving method, and data receiving computer program and storage mediu: A plurality of connection frames are transmitted which differ from each other in at least either modulation scheme or transfer rate. Accordingly, a receiving-end device can properly receive a connection frame even in an environment where the connection frame is likely to be affected by noise.... Agent: Birch Stewart Kolasch & Birch

20080279305 - Radio transmitting apparatus, radio receiving apparatus, and m-ary modulation communication system: P/S conversion section 302 performs parallel/serial conversion of data sequences #1 through #4 input in parallel, in accordance with control by assignment control section 303, so that data to a higher-priority communication terminal is assigned to an upper bit in one symbol; M-ary modulation section 304 performs M-ary modulation on... Agent: Dickinson Wright PLLC

20080279303 - Repetition-dependent mapping for higher order modulation schemes: A method and apparatus is disclosed, for digital data transmission using higher order modulation schemes, wherein a plurality of bits is mapped to bit positions of a symbol and the transmission has different error probabilities for at least two out of the bit positions. Bits are selected from a data... Agent: Dickinson Wright PLLC

20080279306 - Pilot tones in a multi-transmit ofdm system usable to capture transmitter diversity benefits: In a wireless transmitter having a plurality of spatial streams differentiable at a receiver, wherein data is encoded and transmitted over a communication channel with pilot tones to provide the receiver with information about the effects of the communication channel and/or transmitter impairments and/or receiver impairments on the spatial streams... Agent: Amin, Turocy & Calvin LLP

20080279307 - Very high data rate communications system: A method of communicating data in which the data is transmitted using a star 8-Quadrature Amplitude Modulation scheme. In one embodiment of the invention, the data is encoded with a systematic trellis code in which the systematic bit corresponds to the amplitude of the transmitted signal. In another embodiment of... Agent: Michael Mclaughlin

20080279308 - Method and transmitter structure reducing ambiguity by repetition rearrangement in the symbol domain: A method is provided which improves reliability of channel estimation in a digital communication system by reducing the ambiguity in the recognition of received symbols evaluated for the channel estimation. A data word transmitted according to a first mapping of data word values to modulation states is re-transmitted at least... Agent: Dickinson Wright PLLC

20080279309 - Multi-band dmt receiver: There is disclosed a receiver for receiving a multi-band DMT signal. The receiver includes a plurality of demodulators, each demodulator having a discrete Fourier transform and being provided to demodulate a respective one of a plurality of bands in the multi-band signal, the multi-band signal being modulated in an inverse... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20080279310 - Enhanced signaling sensitivity using multiple references: A receiver circuit uses two or more comparators to detect the received data signal. Each comparator is set to compare the data signal to a different reference signal. The output signals of the comparators are received into a detector circuit, which provides a third output signal that establishes the logic... Agent: Brooks Kushman P.C. / Sun / Stk

20080279311 - Ad converter bandwidth enhancement using an iq demodulator and low frequency cross-over network: A low frequency cross-over network is added to a DC coupled IQ demodulator. The low frequency data can be captured in a very accurate, low cost, low bandwidth DC coupled path with ˜40 MHz of bandwidth. The remaining bandwidth (up to 20 or more GHz) can be captured with the... Agent: Agilent Technologies Inc.

20080279312 - Apparatus and methods for jointly decoding messages based on apriori knowledge of modified codeword transmission: In the embodiments disclosed, two decoding hypotheses are required only; a first where the two buffers are combined directly (513) and a second where the difference codeword bit LLR's of the first buffer (509) are inverted before combining with those of the second buffer (519). A maximum of N transmissions... Agent: Motorola Inc

20080279314 - Digital radio mondiale receiver integer carrier frequency offset estimation: A method and apparatus for estimating a carrier frequency offset (CFO) in a Digital Radio Mondiale receiver is provided. Orthogonal frequency-division multiplexing (OFDM) demodulation is performed on a received DRM signal to produce OFDM symbols. A cell characteristic in corresponding cells in the OFDM symbols is compared and a carrier... Agent: Stmicroelectronics, Inc.

20080279313 - Sample clock frequency offset estimation in drm: wherein the PGm is the gain pilot received in the mth symbol and PG—trm is the gain pilot transmitted in the mth symbol, the PGm-cycle is the gain pilot received in (m-cycle)th symbol, the PG—trm-cycle is the second gain pilot transmitted in (m-cycle)th symbol, the l is the index of... Agent: Stmicroelectronics, Inc.

20080279316 - Method and apparatus for data reception: Method and apparatus for data reception are provided, retrieving digital values transmitted through a cable. In a data receiver, an equalizer equalizes an input signal based on a boost value to generate an equalized signal, and a data extractor samples the equalized signal to extract output values from each symbol... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080279315 - Wireless receiving apparatus and wireless receiving method: According to an aspect of the invention, there is provided a wireless receiving apparatus including: antennas; antenna branches each capable of receiving a wireless signal; a demodulating unit demodulating a reception signal; an antenna selecting unit selecting a packet waiting antenna; a packet detecting unit detecting a packet; a power... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080279317 - Bicm decoding in the presence of co-channel interference: Systems and methods are provided for computing soft information for digital information based on a received signal, where the received signal suffers from noise and interference. A receiver that decodes the received signal may estimate channel information, such as the channel gain, associated with the interfering source. The receiver may... Agent: Ropes & Gray LLP

20080279318 - Combined multirate-based and fir-based filtering technique for room acoustic equalization: A combined multirate-based Finite Impulse Response (FIR) filter equalization technique combines a low-order FIR equalization filter operating at a lower rate for equalization of a loudspeaker-room response at low frequencies, and a complementary low-order minimum-phase FIR equalization filter operating at a higher rate for equalization of the loudspeaker-room response at... Agent: Averill & Varn

20080279320 - Bi-directional single wire interface: A single-wire, bi-directional communication protocol is provided in which the sending device transmits its clock frequency and its bit transmission period and data through a predefined waveform pattern or “learning sequence” that is recognizable by the receiving device and in a period of time, as measured in number of sending... Agent: Schwegman, Lundberg & Woessner / Atmel

20080279319 - Sample rate converter system and method: A sample rate conversion is accomplished by presenting to a numerically controlled oscillator (NCO) register a clock input at the desired output rate; first-modifying the NCO register contents responsive to a first factor; determining when the first modified NCO register contents are in a predetermined range and in response to... Agent: Iandiorio & Teska

20080279321 - Method and apparatus for synchronizing data in utility system: A time synchronization device (TSD) that produces a synchronization signal and couples it onto energized power conductors in a power monitoring system. Monitoring devices coupled to the TSD include frequency detection algorithms, such as a Goertzel filter, for detecting the synchronization signal and interpreting the information encoded in the signal.... Agent: Schneider Electric / Square D Company Legal Dept. - I.p. Group (np)

20080279322 - Method and device for timing synchronization and neighbor scanning for cellular ofdm systems: t

20080279323 - Method and apparatus for generating a phase dependent control signal: A phase detector generates a phase dependent control signal according to the phase relationship between a first and second clock signal. The phase detector includes first and second phase detector circuits receiving the first and second clock signals and generating select signals having duty cycles corresponding to the phase relationship... Agent: Jennifer M. Lane, Esq. Dorsey & Whitney LLP

20080279324 - Frequency jittering control for varying the switching frequency of a power supply: A frequency jittering circuit modulates a hysteretic band of an oscillator such that the clock generated by the oscillator has a jitter frequency, and thus a switching mode power supply operative on the clock will have a jittering switching frequency.... Agent: Rosenberg, Klein & Lee

20080273574 - Spread spectrum clock signal generation system and method: A system and method for generating a clock signal having spread spectrum modulation. The method involves generating a clock signal by generating edge positions for edges of the clock signal from a digital representation of a timing for each edge to impart spread spectrum modulation to the clock signal. A... Agent: Edell, Shapiro & Finnan, LLC

20080273575 - Method and apparatus for cooperative coexistence between wireless communication protocols: A method and apparatus of reducing interference between subsystems implementing wireless communication protocols is disclosed. The method comprises reducing interference in a first subsystem implementing a first wireless communication protocol operating in a first frequency band caused by a second subsystem implementing a second wireless communication protocol operating in a... Agent: Intel Corporation C/o Intellevate, LLC

20080273576 - Radio transmission apparatus, radio reception apparatus, transceiver, and radio communication method: A radio transmission apparatus that uses a plurality of band groups and that transmits a signal subjected to frequency hopping between a plurality of bands in each band group at a local frequency apart from the center frequency of each band includes a local frequency generating unit that generates a... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080273577 - Method and apparatus for non-cooperative coexistence between wireless communication protocols: A method and apparatus of reducing interference between wireless communication protocols is disclosed. The method comprises reducing interference between a first wireless communication protocol operating in a first frequency band and a second wireless communication protocol operating in a second frequency band by generating noise to cause interference with one... Agent: Intel Corporation C/o Intellevate, LLC

20080273578 - Gnss receiver with cross-correlation rejection: Radiolocalization receiver having a plurality of correlation taps, and including a module of cross-correlation detection in which spurious correlation terms are detected by statistical analysis of the frequencies of the candidate peaks. The system can restrict further integration to those taps whose frequency is outside the cross-interference signal, or trigger... Agent: Foley And Lardner LLP Suite 500

20080273580 - Dynamic allocation of cyclic extension in orthogonal frequency division multiplexing systems: Briefly, in accordance with one embodiment of the invention, an orthogonal frequency division multiplexing system may provide a dynamically calculated cyclic extension, the length of which may be based at least in part on a delay spread due to an experienced environmental condition. The length of the cyclic extension may... Agent: Schwegman, Lundberg & Woessner, P.A.

20080273579 - Programmable antenna assembly and applications thereof: A programmable antenna assembly includes a configurable antenna structure, a configurable antenna interface, and a control module. The configurable antenna structure includes a plurality of antenna elements that, in response to an antenna configuration signal, are configured elements into at least one antenna. The configurable antenna interface module is coupled... Agent: Garlick Harrison & Markison

20080273581 - Communication apparatus and communication method using digital wavelet multi carrier transmission system: In case of disposing a pilot symbol in data transmission which depends on a DWMC transmission system, in a plurality of transmission symbols on a time axis, a pilot symbol, which becomes a signal of a sine wave, is configured, by giving contiguous identical data in a plurality of predetermined... Agent: Dickinson Wright PLLC

20080273583 - Channel estimation for ofdm-based wireless communication system using sparsely spaced pilot subcarriers: A device and method for performing a channel estimation for an OFDM-based wireless communication system using sparsely spaced pilot subcarriers estimates missing pilot subcarriers in an interpolation window using pilot subcarriers that are outside of the interpolation window to produce estimated pilot subcarriers for the interpolation window. The pilot subcarriers... Agent: Wilson & Ham Pmb: 348

20080273584 - Generating test sequences for circuit channels exhibiting duty-cycle distortion: Disclosed herein are exemplary methods, apparatus, and systems for generating test sequences that can be used to evaluate high-speed circuit pathways that exhibit duty-cycle distortion (e.g., clock-related duty-cycle distortion or data-dependent duty-cycle distortion). In one exemplary embodiment, a period of an input signal is divided into two or more subintervals,... Agent: Klarquist Sparkman, LLP

20080273582 - Selection of acquisition sequences for optimal frequency offset estimation: Systems and methods are provided to generate a set of synchronization channel sequences that optimize time and frequency acquisition. A set of root indices of Zadoff-Chu sequences in a first domain (e.g., time domain) that optimize a performance metric or merit factor are identified. An optimal index is determined that... Agent: Qualcomm Incorporated

20080273585 - Apparatus for estimating phase error and phase error correction system using the same: Provided are an apparatus for estimating a phase error and a phase error correcting system using the phase error estimating apparatus. The apparatus includes: a probability value estimating unit for estimating a negative log probability value for each transmission symbol by transforming a soft output information transferred from the outside... Agent: Cantor Colburn, LLP

20080273586 - Maximum likelihood block decision feedback estimation for cck demodulation apparatus and method: A system for demodulation of CCK symbols into data includes a post equalization register having values computed from feedback filter coefficients determined during a packet preamble, where the feedback filter coefficients are provided to a reduced complexity post equalization value generator which populates the post equalization register with an iteration... Agent: Jay Chesavage

20080273587 - Sensor, more specifically a position sensor, for a vehicle with several on-board measuring systems working independently from one another: The invention presented herein describes a sensor, more specifically a position sensor for a vehicle, featuring several measuring systems that work independently of one another, where each of the measuring systems generates a pulse width-modulated signal becoming available at an output of the sensor one by one, where each of... Agent: Husch Blackwell Sanders LLP

20080273588 - Matrix compression arrangements: This invention relates to utilising image compression and reconstruction algorithms for transmission and reception of data that can be represented as a numerical matrix or a sequence of numerical matrices in bandwidth limited channels. The method and algorithms described herein may reduce data size to such an extent that data... Agent: Knobbe Martens Olson & Bear LLP

20080273590 - Detection and compensation of discontinuities in data stream: In one embodiment of the invention, a method includes receiving a video stream that includes a temporal discontinuity. Checkpoints are distributed in a non-linear fashion with unequal spacing between the checkpoints. The temporal discontinuity is then detected at one of the checkpoints.... Agent: Trop Pruner & Hu, PC

20080273589 - Digital broadcasting transmission/reception system utilizing srs and trs code to improve receiving performance and signal processing method thereof: A digital broadcasting transmission and/or reception system having an improved reception performance and a signal-processing method thereof. A digital broadcasting transmitter comprises a TRS encoder for to TRS-encode an MPEG-2 transmission stream having null data for inserting an SRS data and a TRS parity at predetermined positions, randomizer to input... Agent: Stanzione & Kim, LLP

20080273591 - Methods and apparatus for predictive capacity allocation: Methods and apparatus for dynamically adjusting capacity allocation; e.g., to a group of services in a multimedia distribution network. In one embodiment, bandwidth allocation is adjusted by predicting bandwidth utilization of the group of services based on historical bandwidth utilization information. Behavioral templates and statistical models may also be employed... Agent: Robert F. Gazdzinski

20080273593 - Processing compressed video data: Video data is compressed for streaming to mobile devices. The data includes spatially compressed frames (I frames) followed by a plurality of temporally compressed frames (P frames) a source of input video data is coded to produce compressed data having I frames and P frames. The data volume of the... Agent: Harness, Dickey & Pierce, P.L.C

20080273594 - Processing video data: The optimising of video data files for downloading to a mobile device is disclosed, in which the total data volume of the file is limited. An input video clip of image frames is coded to produce a first coded video data file having a predetermined data volume. A measure of... Agent: Harness, Dickey & Pierce, P.L.C

20080273592 - Video encoding and decoding: A method of producing encoded video data (DV) comprises the steps of: collecting video data (VS), producing a tag (T) identifying the collected video data, encoding the collected video data so as to produce at least two sets of encoded data (BL, EL1) representing different video quality levels, and attaching... Agent: Philips Intellectual Property & Standards

20080273595 - Apparatus and related method for processing macroblock units by utilizing buffer devices having different data accessing speeds: A method for processing a plurality of macroblock units in a video image is disclosed. The method includes: performing a specific video processing operation upon at least a first macroblock unit; storing information of the first macroblock unit in a first buffer device; storing the information of the first macroblock... Agent: North America Intellectual Property Corporation

20080273596 - Digital multimedia channel switching: The disclosure relates to techniques for coding a channel switch frame used for switching between channels of digital multimedia content. In particular, an encoding device may code channel switch frame to exclude one or more blocks of pixels that may be reconstructed at a desired fidelity at a decoding device... Agent: Qualcomm Incorporated

20080273597 - Method for searching for motion vector: Disclosed is video encoding technology, and more particularly a method for searching for a motion vector in a procedure of estimating a motion in video frames. The motion vector search method includes the steps of: individually calculating error energies of a center point and vertices of a search pattern in... Agent: Cha & Reiter, LLC

20080273598 - Digital video codec using small-sized buffer memory: Techniques, systems and apparatus for digital information processing are described. In particular, techniques, systems and apparatus are described for reducing the size of buffer memory used. In one aspect, a digital video codec includes a buffer memory including an individual area to individually record different Minimum Coded Block (MCB) line... Agent: Fish & Richardson, PC

20080273599 - Method and apparatus for encoding and decoding multi-view video data: Provided are a method and apparatus for encoding and decoding multi-view video data. The method of encoding multi-view video data includes determining whether a current picture is an anchor picture; and encoding blocks of the current picture by selectively applying a skip block mode to the blocks if the current... Agent: Sughrue Mion, PLLC

20080273600 - Method and apparatus of wireless communication of uncompressed video having channel time blocks: A method and system for transmission of uncompressed video information from a sender to a receiver over wireless channels is disclosed. For example, according to one embodiment, a time division multiple access method is used to allocate channel time blocks (CTBs) of a wireless channel to a particular transmitting device.... Agent: Knobbe Martens Olson & Bear LLP

20080273601 - Communication network based on master/slave architecture for connecting sensors and actuators: A communications network for servo systems and the like comprises a controller, first and second slave nodes configured to respond to control signals from the controller and to send respective feedback control signals to the controller, and a control signal transmission line between the controller and the slave nodes; wherein... Agent: Foley And Lardner LLP Suite 500

20080273602 - Data transmission apparatus with information skew and redundant control information and method: Apparatus and methods provide at least redundant control information such as control symbols and control data over respective channels, such as differential lanes, and skew at least the redundant control information in time between the plurality of transmission circuits. Non-control information such as video and/or audio data may also be... Agent: Advanced Micro Devices, Inc. C/o Vedder Price P.C.

20080273603 - Differential signal transmitting apparatus and differential signal receiving apparatus: A differential signal transmitting apparatus for transmitting a differential signal through two transmission lines. The apparatus includes: transmitting-side board connecting terminals 7a and 7b that are provided for each of the transmission lines 5a and 5b, and are able to connect a transmitting circuit 1 for transmitting a differential signal;... Agent: Staas & Halsey LLP

20080273604 - Transmission method and system for the discrete multi-modulation data: A transmission method and system of the discrete multi-modulation data, the method includes: generating, at a transmitting side, a first bit table according to data to be transmitted, wherein items of the first bit table include carrying data information on each line during this data transmission; modulating and transmitting, at... Agent: Leydig, Voit & Mayer, Ltd (for Huawei Technologies Co., Ltd)

20080273605 - High bandwidth data transport system: The present invention provides for a methods, system, and apparatus relating to data transmission. One method of the present invention includes representing data using at least one ultra wideband pulse, sending the at least one ultra wideband pulse over an electrically conductive guided media, and recovering the data from the... Agent: Mckee, Voorhees & Sease, P.L.C

20080273616 - Base station transmitter for use with an ofdm communications system, a method of dynamically allocating ofdm symbols for pdcch in the system and a user equipment receiver for use with the system: A base station transmitter for use with an orthogonal frequency division multiplexing (OFDM) communications system, a method of dynamically allocating OFDM symbols needed for a physical downlink control channel (PDCCH) in a downlink sub-frame from a base station and a user equipment (UE) receiver for use with the OFDM communications... Agent: Texas Instruments Incorporated

20080273615 - Channel profile estimation for ofdm-based communication system: A device and method for performing a channel profile estimation for an OFDM-based wireless communication system uses an averaged frequency coherence metric to select a particular channel profile, which is a current channel profile estimate. The averaged frequency coherence metric is derived using correlations between pilot subcarriers of an OFDM-based... Agent: Wilson & Ham Pmb: 348

20080273612 - Codebook method for a multiple input multiple output wireless system: A method for wireless encoding includes encoding wireless multiple input and multiple output signals in accordance with a codebook being one of a discrete codebook restricting elements of codebook entries to be within a predetermined finite set of complex numbers and a constant amplitude codebook including each entry in its... Agent: Nec Laboratories America, Inc.

20080273611 - Equalization for zero prefix ofdm systems: The system, apparatus, and method (300) of the present invention provide sub-optimal channel equalization techniques for zero-prefixed orthogonal frequency division modulation (OFDM) systems that retain the performance of least-squares equalization but are not as complex. The technique of the present invention improves equalization performance with less complexity than required by... Agent: Philips Intellectual Property & Standards

20080273608 - Method and apparatus for correcting iq imbalance in an ofdm receiver: Methods and apparatus for processing received OFDM signals to compensate for distortions caused by IQ imbalances are disclosed. Receiver circuits may be configured to demodulate symbols from a first logical channel, using an uncompensated received OFDM signal that includes the effects of those distortions. Receiver circuits may be further configured... Agent: Coats & Bennett, PLLC

20080273610 - Method and apparatus for random access in an orthogonal multiple-access communication system: Techniques for accessing a wireless communication system are described. A user equipment (UE) sends a random access preamble for system access. The random access preamble may include a random identifier (ID), a channel quality indicator (CQI), etc. The UE may randomly select the random ID or may be assigned this... Agent: Qualcomm Incorporated

20080273606 - Method for signaling the status of a subcarrier in a mc network and a method for adaptively allocating the subcarrieres in a mc network: A fast method for allocating those channels or subcarriers of a multicarrier network to an ahead lying transmission is to let a transmitting terminal and a receiving terminal which intend to access the medium determine the status of the channels or subcarriers that are within their reception range and send... Agent: Philips Intellectual Property & Standards

20080273613 - Multiple input, multiple output (mimo) communication system over in-premises wires: A multiple input, multiple output (MIMO) communications unit includes a multiplicity of analog front ends and a MIMO processor. Each analog front end is connectable to a different two of the wires in a subscriber premises and each handles data of one channel. The MIMO processor processes together the data... Agent: Daniel J Swirsky

20080273607 - Ranging and round trip delay timing adjustment in a multi-point to point bidirectional communication system: A bidirectional communication system is provided. In one embodiment, a system comprises a host unit to communicate with a plurality of remote units using orthogonal frequency division multiplexing (OFDM), the plurality of remote units communicatively coupled to the host unit in a multipoint-to-point configuration; and wherein the host unit is... Agent: Fogg & Powers LLC

20080273609 - Receiving apparatus, transmitting apparatus, and reception method: Channel fluctuation values on propagation paths of modulated signals transmitted from a plurality of antennas are estimated, an eigenvalue of a channel fluctuation matrix created with the above-mentioned channel fluctuation values as elements is found in order to relate antenna received signals to modulated signals, and using that eigenvalue, receiving... Agent: Greenblum & Bernstein, P.L.C

20080273617 - Steering diversity for an ofdm-based multi-antenna communication system: A transmitting entity uses different steering vectors for different subbands to achieve steering diversity. Each steering vector defines or forms a beam for an associated subband. Any steering vector may be used for steering diversity. The steering vectors may be defined such that the beams vary in a continuous instead... Agent: Qualcomm Incorporated

20080273614 - System, method, and computer-readable medium for multilevel shaping for wireless communication systems: A system, method and computer-readable medium for encoding and decoding digital information over a channel is provided. Type Mapping is employed and is based on the partitioning of vectors over an alphabet into “types” and using enumeration for the encoding and decoding process. Type mapping allows for signal alphabets of... Agent: Haynes And Boone, LLP

20080273618 - Precoding system and method for multi-user transmission in multiple antenna wireless systems: A transmission method and system are provided wherein the system and method use precoding and sum rate optimization beam forming to create a capacity transmission.... Agent: Dla Piper US LLP

20080273619 - Digital broadcasting system and data processing method: A digital broadcasting system and a data processing method are disclosed. Herein, additional encoding is performed on mobile service data, which are then transmitted, thereby providing robustness in the processed mobile service data, so that the mobile service data can respond more strongly against fast and frequent channel changes. The... Agent: Lee, Hong, Degerman, Kang & Schmadeka

20080273620 - Apparatus, and associated method, for providing open loop diversity in a radio communication system: Apparatus, and an associated method, for providing transmit diversity to an open-loop MIMO communication scheme, such as a point to multipoint broadcast service in a cellular system. Multiple data streams of the broadcast data are broadcast by way of transmit diversity antennas of a sending station. The data symbols of... Agent: Research In Motion Attn: Glenda Wolfe

20080273621 - Method and apparatus for estimating frequency offset and timing offset of one or more mobile stations (mss): A method and apparatus for estimating frequency offset and timing offset of a first Mobile Station (MS) in a communication system is provided. The method includes receiving a composite signal at a plurality of receiver antennas of a Base Transceiver Station (BTS). The composite signal includes a first signal transmitted... Agent: Beceem Communications, Inc.

20080273622 - Channel optimization for adaptive information rate schemes: A method, apparatus, and computer program product is described, wherein an information rate or bandwidth of a transmission signal is controlled in response to a channel condition, and qualities of channels are measured over a transmission bandwidth available for transmission of said transmission signal. A carrier frequency for said transmission... Agent: Squire, Sanders & Dempsey L.L.P.

20080273623 - System and method for selectively performing single-ended and differential signaling: In a communication system, data is selectively transmitted using single-ended or differential signaling. The data is transmitted in relation to a plurality of clock signals having different relative phases. When the data is transmitted using single-ended signaling, data on adjacent signal lines undergo logic transitions at different times in relation... Agent: Volentine & Whitt PLLC

20080273624 - Method and system for cqi/pmi feedback for precoded mimo systems utilizing differential codebooks: Aspects of a method and system for CQI/PMI feedback for precoded MIMO systems utilizing differential codebooks may include generating one or more feedback messages for one or more Channel Quality Indicator (CQI) reporting units based on at least channel state information associated with the one or more CQI reporting units.... Agent: Mcandrews Held & Malloy, Ltd

20080273625 - method and a system for transferring amr signaling frames on halfrate channels: Transference of signaling frames on GERAN (GSM/EDGE radio Access Network) half rate channels utilizing a modulation scheme carrying n bits in one symbol. In order to be able to utilize the existing channel coding developed for channels with different modulations and to avoid high rate convolutional and block codes, the... Agent: Perman & Green

20080273626 - System and method for performing baseband phase shifting in a cartesian feedback system: A system and method for performing baseband phase shifting in a Cartesian feedback system includes a forward path for receiving an input baseband signal having two components, and performing up-conversion to output a RF signal; a power amplifier for amplifying the RF signal output from the forward path; and a... Agent: Motorola, Inc.

20080273628 - Data sampling circuit and data sampling method: A data sampling circuit and a data sampling method for performing sampling at a frequency lower than a carrier frequency. An infrared communication signal converted to an electric signal is input to a data sampling circuit, and a signal in a band lower than or equal to the carrier signal... Agent: Arent Fox LLP

20080273627 - Information-detecting apparatus and method: An information-detecting apparatus (1) including a receiving unit (3) operable to receive digital data (2) that includes several pieces of element data, in which a change amount is imparted to a value of each of first and second element data among the several pieces of element data, a first selecting... Agent: Wenderoth, Lind & Ponack L.L.P.

20080273629 - Uwb receiver designs based on a gaussian-laplacian noise-plus-mai model: Two novel receiver structures which surpass the performance of the conventional matched filter receiver are proposed for ultra-wide bandwidth multiple access communications. The proposed receiver structures are derived based on a more appropriate statistical model for the multiple access interference than the generally used Gaussian approximation.... Agent: Smart & Biggar P.o. Box 2999, Station D

20080273630 - Decoding symbols of a signal distributed according to frequency and time dimensions: A signal of OFDM type received in a radio receiver via a propagation channel includes symbols distributed according to frequency and time. The receiver determines likelihoods of the symbols, decodes the received signal to yield a decoded signal as a function of the likelihoods of the symbols, and estimates an... Agent: Lowe Hauptman Ham & Berner, LLP

20080273632 - Estimation of log-likelihood using constrained markov-chain monte carlo simulation: Log likelihood ratios for data bits transmitted in a multi-dimensional signal are estimated using multiple Markov chain Monte Carlo simulations (MCMC). The MCMC simulations can include constraining symbols based on a most-likely symbol to improve the likelihood of finding distances for non-most-likely symbols. The log likelihood ratios can be calculated... Agent: Dr. William T. Ralston

20080273631 - Turbo decoder and method for turbo decoding a double-binary circular recursive systematic convolutional encoded signal: A Turbo decoder and method for decoding a double-binary circular recursive systematic convolutional (DBCRSC) encoded signal with unknown initial and final states executes iterations of forward and backward recursion on a payload block of the DBCRSC encoded signal and a padded block using an estimated forward state metric (FSM) and... Agent: Wilson & Ham

20080273633 - Method and device for enhancing signal detection in a frequency selective fading channel: A method and system are provided for enhanced signal detection in a frequency selective fading channel. Improved signal detection is realized by replacing single matched filters with multiple matched filters. The single matched filter spectrum is partitioned by frequency into M matched filter groups, where M is a positive integer... Agent: Motorola, Inc.

20080273634 - Parallel preamble search architectures and methods: The present invention provides architectures and methods which enables faster and more power efficient detection of channel parameters used by a communication system. Various parallel preamble correlator structures are able to perform searches for multiple preambles in parallel. The received samples are correlated with different delays between the samples corresponding... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20080273635 - Frequency-offset estimation: A device for calculating an overall frequency-offset estimate from a plurality of frequency-offset estimates includes a receiver unit configured to receive a plurality of data streams, a phase shift estimation unit configured to generate a phase shift quantity representative of a phase shift over a number of consecutive data samples... Agent: Eschweiler & Associates LLC

20080273636 - Automatic gain control circuit for mimo ofdm receiver: An automatic gain control (AGC) circuit and method for performing AGC for an orthogonal frequency-division multiplexing (OFDM) receiver measures signal power of input digital signals that are derived from incoming data frames with preambles to produce gain change signals when the signal power differs from a reference target power level.... Agent: Wilson & Ham Pmb: 348

20080273637 - In-situ gain calibration of radio frequency devices using thermal noise: An apparatus for calibrating gain of an radio frequency receiver (“Rx”) is disclosed to provide, among other things, a structure for performing in-situ gain calibration of an RF integrated circuit over time and/or over temperature without removing the RF integrated circuit from its operational configuration, especially when the gain of... Agent: Cooley Godward Kronish LLP Attn: Patent Group

20080273638 - Reducing the effect of noise in a multi-channel telecommunication receiver: A telecommunication receiver provided according to the present invention is implemented to receive a first signal containing information and noise on a first set of sensors and a second signal containing only noise on a second set of sensors. Receiver then decodes the information using first signal and second signal.... Agent: Conexant Systems , Inc.

20080273639 - Adaptive methods employing optimal convergence factors for processing complex signals and systems: Complex adaptive methods for complex information processing employ optimal individual convergence factors for real and imaginary components of the weight vector. For wireless receivers operating on QPSK, a Complex IA-ICA performs better than existing Complex Fast-ICA methods in terms of accuracy and convergence speed, can process such complex signals in... Agent: Melvin K. Silverman And Assocs PC

20080273640 - Plural circuit selection using role reversing control inputs: Data is communicated through two separate circuits or circuit groups, each having clock and mode inputs, by sequentially reversing the role of the clock and mode inputs. The data communication circuits have data inputs, data outputs, a clock input for timing or synchronizing the data input and/or output communication, and... Agent: Texas Instruments Incorporated

20080273641 - Ofdm-based device and method for performing synchronization: An OFDM-based device and method for synchronizing to a serving base station utilizes at least one of three frequency offset estimation techniques, which are each based on preambles, cyclic prefixes or pilot subcarriers. The device and method also utilizes a base station selecting scheme, a false detection scheme, a blocker... Agent: Wilson & Ham

20080273642 - Time reference point information transmitting system and receiver: A transmitter sets a time length, determines a time point at which phases of frequency signals coincide within a range of the time length, defines a determined time point as a time reference point, aligns the phases of the frequency signals based on the time reference point, combines phase-aligned frequency,... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080273643 - Apparatus and method of exact time framing in a dmb-th transmitter: A transmitter comprising: a digital encoder for encoding incoming digital information; and a digital to analog converter for converting the encoded digital information into analog information is described. The transmitter further comprises an exact time framing block disposed between the digital encoder and the digital to analog converter. The exact... Agent: Frank F. Tian

20080273644 - Synchronization and segment type detection method for data transmission via an audio communication system: A system and method for asynchronous data communication over a cellular communications network that allows the transmission of different types of data frames over a voice channel using a vocoder. The data frames include a synchronization signal and data segment, with the synchronization signal being selected in accordance with an... Agent: General Motors Corporation C/o Reising, Ethington, Barnes, Kisselle, P.C.

20080273647 - High-speed communication system with a feedback synchronization loop: In a communications device having a physical layer device and a processing device connected to the physical layer device, the number of input/output (I/O) ports required for communication between the devices in the gigabit range is substantially reduced by utilizing millivolt differential I/O drivers and receivers. In addition, a calibration... Agent: Hunton & Williams LLP/rambus Inc. Intellectual Property Department

20080273645 - Methods and apparatus for crystal oscillator drift estimation and compensation: In at least some disclosed embodiments, a method includes receiving a burst of data out of multiple bursts of data subject to long-term frequency drift and short-term frequency drift, determining an intercept of the long-term frequency drift based on, at most, the entire burst, and compensating for the long-term drift... Agent: Texas Instruments Incorporated

20080273646 - Sampling clock offset tracking and symbol re-timing: Systems, devices, and methods are described for sampling clock offset tracking and timing correction. Wireless signals are received, some of which include a control signal known at the receiver. A first received signal may be correlated with the control signal to produce a reference correlation. A second, later received signal... Agent: Townsend And Townsend And Crew, LLP

20080273648 - Means to reduce the pll phase bump caused by a missing clock pulse: A PLL includes control circuitry adapted to detect missing pulses of a reference clock and to control an output voltage of a charge pump disposed in the PLL accordingly. A signal generated in response to the detection of a missing pulse is pulse-width limited and applied to the charge pump... Agent: Townsend And Townsend And Crew, LLP