Pulse or digital communications inventions 05/09

20090135885 - Non-linear feedback control loops as spread spectrum clock generator: This patent disclosure presents circuits, systems and methods to spread a clock signal to produce a random spreading for the clock signal that offers the maximum possible power density reduction for the spurious radiations generated from the clock signal and its harmonics. These new inventions utilize a non-linear feedback control... Agent: Fox Rothschild LLP

20090135886 - Transbody communication systems employing communication channels: Transbody communication systems employing communication channels are provided. Various aspects include, for example, an in vivo transmitter to transmit an encoded signal; a transbody functionality module to facilitate communication of the encoded signal; and a receiver to receive the encoded signal. Methods and apparatus are also provided.... Agent: Proteus Biomedical, Inc. Bozicevic, Field & Francis LLP

20090135887 - Synchronization for fh communication: A method for synchronization of transmitted and received signals in frequency hopping communications systems. A synchronization unit is arranged for synchronization of transmitted and received signals in frequency hopping communication systems and a frequency hopping communication system including a synchronization unit.... Agent: Venable LLP

20090135889 - Method and system for code reuse and capacity enhancement using null steering: The number of users and data capacity of wireless systems are increased by employing apparatus and method for increasing the number of spreading codes available in the system by providing a mechanism to reuse the already allocated spreading code or use the codes that may correlate to those already being... Agent: Volpe And Koenig, P.C. Dept. Icc

20090135888 - Spectrally shaped generalized multitone direct sequence spread spectrum modulation: A system (10) for communicating a direct sequence spread spectrum signal, a related transmitter (12), a related receiver (14), and methods associated therewith are provided in various embodiments. A data rate vector, a processing gain vector, a frequency separation vector, and a bit energy vector may be associated with transmitting... Agent: Calfee Halter & Griswold, LLP

20090135890 - Physical layer device having an analog serdes pass through mode: A physical layer device (PLD) includes a first serializer-deserializer (SERDES) device and a second SERDES device. Each SERDES device includes an analog portion with a serial port that is configured to communicate serial data with various network devices, and a digital portion that is configured to communicate parallel data with... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20090135891 - Symbol modulation accuracy measuring device, method, program, and recording medium: An accuracy of a symbol modulation is accurately measured. A symbol modulation accuracy measuring device receives a signal to be measured from a signal output device, which outputs ideal symbol data generated by the ideal symbol data generating unit, and modulated by the symbol modulation unit according to a symbol... Agent: Greenblum & Bernstein, P.L.C

20090135892 - Apparatus and method for measuring carrier-to-interference-and-noise ratio of logical band using downlink preamble: Provided are an apparatus and method for measuring a carrier-to-interference-and-noise ratio (CINR) using down-link preambles. More particularly, provided are an apparatus and method that measure CINRs according to a plurality of logical bands in a downlink band-adaptive modulation and coding (AMC) channel mode zone using preambles and determine whether or... Agent: Blank Rome LLP

20090135893 - Method and system for weight determination in a spatial multiplexing mimo system for wcdma/hsdpa: Certain aspects of the method may comprise generating models for a received plurality of spatially multiplexed communication signals for multiple channels from a plurality of transmit antennas. A calculated signal to noise ratio (SNR) of each multiple channel may be maximized based on the generated models. A phase and an... Agent: Mcandrews Held & Malloy, Ltd

20090135894 - Signal receiving circuit utilizing timing recovery parameter generating circuit: A signal receiving circuit includes: a sampler, for receiving an analog signal and sampling the analog signal according to a sampling clock to generate a sampling signal; an ADC, coupled to the sampler, for converting the sampling signal to a digital signal; an equalizer, coupled to the ADC, for equalizing... Agent: North America Intellectual Property Corporation

20090135895 - Self-calibrated adaptive equalization system and methods of performing the same: A self-calibrating, adaptive equalization system for generating an ideal digital signal is disclosed. The adaptive equalization system includes an equalizer and a high-gain buffer. The equalizer includes a first equalizer loop that feeds-back a control voltage to the equalizer and the high-gain buffer that includes a second equalizer loop that... Agent: Texas Instruments Incorporated

20090135896 - Fast automatic gain control: An apparatus comprising a slicer configured to produce a symbol decision value and a symbol error value utilizing, at least in part, a slicer input signal; and an automatic gain controller configured to facilitate the automatic control of a gain applied to the slicer input signal by producing a gain... Agent: Brake Hughes Bellermann LLP C/o Cpa Global

20090135897 - Semiconductor integrated circuit and electronic device: An electronic device (11) according to the present invention includes a semiconductor integrated circuit (16) on which a pulse conversion circuit (17) for converting an acoustic signal received by a radio receiver (13) into a pulse signal is integrated. The pulse conversion circuit (17) includes a clock generator (110) which... Agent: Wenderoth, Lind & Ponack L.L.P.

20090135898 - Method and user device for receiving digital transmissions: a quality analyzer (37) for evaluating a quality indicator related to the quality of the burst, checking whether the quality indicator matches a quality condition related to a predefined quality threshold, and in response to the quality indicator of the received burst not matching the quality condition, requesting retransmission of... Agent: Hoffman Warnick LLC

20090135899 - Method of selecting a reference picture: In one embodiment, the method includes obtaining a reference picture list including multiple reference pictures, and obtaining a field reference picture index associated with the current field macroblock. A frame reference picture index is determined based on the field reference picture index divided by 2, and a field reference picture... Agent: Harness, Dickey & Pierce, P.L.C

20090135900 - Method of selecting a reference picture: In one embodiment, the method includes obtaining a reference picture list including multiple reference pictures, and obtaining a field reference picture index associated with the current field macroblock. A frame reference picture index is determined based on the field reference picture index, and a field reference picture having a parity... Agent: Harness, Dickey & Pierce, P.L.C

20090135902 - Bitrate control device for controlling bitrate of video data: A bitrate control device controls bitrate of video data and includes: a setting module that sets, for each frame in the video data, a target code amount to be used in encoding the frame by an encoding module for maintaining a given bitrate; an adjusting module that adjusts the target... Agent: Frishauf, Holtz, Goodman & Chick, PC

20090135901 - Complexity adaptive video encoding using multiple reference frames: Encoding techniques are provided that consider decoder complexity when encoding video data. A complexity adaptive encoding algorithm encodes video data by encoding current frame data based on reference frame data taking into account an expected computational complexity cost of decoding the current frame data.... Agent: Amin, Turocy & Calvin, LLP

20090135903 - Image processing device and image processing method: Disclosed herein is an image processing device for coding image data, which is divided by a given pixel count into macroblocks, on a macroblock-by-macroblock basis, the image processing device including: a quantization section configured to quantize image data on a macroblock-by-macroblock basis; a detection section configured to detect a macroblock... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090135904 - High-dynamics image transmission system, encoding and decoding units and methods therefor: s

20090135906 - Method and apparatus for transmitting multiple video streams over a video channel: There are provided methods and apparatus for transmitting multiple video streams over a video channel. A video encoder is provided for encoding a plurality of streams corresponding to a plurality of programs. The video encoder includes an encoder (300) for encoding each of the plurality of streams for transmission over... Agent: Robert D. Shedd Thomson Licensing LLC

20090135905 - Protecting commercials within encoded video content: In one embodiment, a method comprises identifying an identifiable video object from a video picture of a digital video having video content and commercial content, the video picture contained within the video content; encoding the identifiable video object as a video overlay object; encoding the commercial content based on generating... Agent: Leon R Turkevich

20090135907 - Video encoding/ decoding method and apparatus: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090135908 - Video frame encoding and decoding: A video frame arithmetical context adaptive encoding and decoding scheme is presented which is based on the finding, that, for sake of a better definition of neighborhood between blocks of picture samples, i.e. the neighboring block which the syntax element to be coded or decoded relates to and the current... Agent: Glenn Patent Group

20090135911 - Fast motion estimation in scalable video coding: Scalable Video Coding is recently attracting attentions due to its high flexibility. The current H.264/AVC scalable extension has adopted the Motion Compensated Temporal Filter (MCTF) framework to provide temporal scalability. In this paper, described is another fast motion estimation (ME) algorithm based on the MCTF framework. Simulation results show that... Agent: Amin, Turocy & Calvin, LLP

20090135914 - Image information encoding method and encoder, and image information decoding method and decoder: In an image information encoder (10) supplied with an interlaced image in a 4:2:0 format, a color-difference signal phase correction unit (22) shifts, for motion estimation and compensation, the phase of the color-difference signal in a reference image block adaptively to a selected motion estimate mode and the value mv... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090135909 - Motion compensation method and integrated circuit utilizing the same: An integrated circuit capable of motion compensation and a method thereof is disclosed. The integrated circuit comprises a partition unit and a motion compensation unit. The partition unit receives a video block having a predetermined block dimension, and partitions the video block into sub-blocks with a sub-block dimension less than... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090135913 - Vector selection decision for pixel interpolation: Methods and apparatus, including computer program products, implementing and using techniques for determining motion vectors to be used for interpolation of intermediary frames in a digital video sequence are disclosed. A first image frame including several image patches is received. A second image frame including one or more image patches... Agent: Beyer Law Group LLP

20090135910 - Video apparatus to combine graphical user interface (gui) with frame rate conversion (frc) video and method of providing a gui thereof: A video apparatus to combine a graphical user interface (GUI) with a frame rate conversion (FRC) video. The video apparatus combines a GUI with an area of a video in which a frame rate is converted. By performing a FRC, a moving image having increased quality is provided for a... Agent: Stanzione & Kim, LLP

20090135912 - Video encoding/ decoding method and apparatus: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090135915 - Video frame encoding and decoding: A video frame arithmetical context adaptive encoding and decoding scheme is presented which is based on the finding, that, for sake of a better definition of neighborhood between blocks of picture samples, i.e. the neighboring block which the syntax element to be coded or decoded relates to and the current... Agent: Glenn Patent Group

20090135916 - Image processing apparatus and method: An image processing apparatus for reducing memory bandwidth usage is provided. The image processing apparatus includes an informative image processing controller, a processing unit and a mixer. The informative image processing controller generates a main image and performs resolution conversion on a first designated region of the main image. The... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090135917 - Picture coding method and picture decoding method: In a picture coding method for generating a coded signal corresponding to each picture by coding a plurality of coded signals, a switching picture which is capable of switching a plurality of coded signals and subsequent pictures of the switching picture can refer to only a group of pictures of... Agent: Wenderoth, Lind & Ponack L.L.P.

20090135918 - System and method for providing a variable frame rate and adaptive frame skipping on a mobile device: A processor and method are provided for decoding a multimedia file having video and audio data streams that are configured to be played in synchronization. Frames of the video stream are decoded and played with the audio and, to compensate for saturation of the processor usage, two procedures are performed.... Agent: Blake, Cassels & Graydon LLP

20090135919 - Method and an apparatus for embedding data in a media stream: A method for enhancing a media file. The method comprises encoding a media file for a real time exchange of communications between a plurality of terminals, embedding a non-media communication of the real time exchange into the media file, and forwarding the embedded media file to at least one of... Agent: Martin D. Moynihan D/b/a Prtsi, Inc.

20090135920 - Modulator, filter, method of controlling gain of filter, and code modulating method: A modulator being made small in size, low in costs, low in power consumption, small in heat generation and spurious signals. The modulator includes multipliers (101, 102) for code-modulating received transmission data (D(n), C(n)), and outputting the modulated data, a control channel gain factor signal generator (106) for generating a... Agent: Nec Corporation Of America

20090135921 - Two-dimensional dpcm with pcm escape mode: Methods of, and devices, and systems for differential pulse code modulation (DPCM) having predictions and quantization parameters based on proximate lines of buffered quanta of information where pulse code modulation (PCM) is employed as a backup means.... Agent: Michael Blaine Brooks, PC

20090135933 - Communication terminal device and communication relay method: There is provided a mobile station device in a multi-hop system capable of realizing relay of communication of another station while suppressing increase of power consumption of the local station. In this device, at timing t1, a mobile station MS2 transmits data S2 destined to a base station BS1, to... Agent: Dickinson Wright PLLC James E. Ledbetter, Esq.

20090135928 - Device, apparatus, and method for low-power fast fourier transform: A device, apparatus and method for performing a Fast Fourier Transform (FFT). The Fast Fourier Transform (FFT) processing device includes a coefficient generator, a memory, and an accumulator. The coefficient generator is configured to generate a first set of coefficient values from one or more twiddle factor coefficients. The memory... Agent: Foley & Lardner LLP

20090135926 - Joint constellation multiple access: A method for communication includes defining N respective symbol constellations in a signal space for N transmitters (24), N(2, subject to a predetermined power constraint, so as to produce a joint constellation including superpositions of symbols selected from the N symbol constellations. Data is transferred from the N transmitters by... Agent: Darby & Darby P.C.

20090135927 - Method and apparatus of transmitting and receiving channel parameter attributes in wireless communication systems: A method and apparatus of transmission and reception of SetManagementSameChannelParameters, the method comprising generating a SetManagementSameChannelParameters attribute comprising an 8 bit Length field, an 8 bit AttributeID field, a 6 bit PilotAdd field, a 6 bit PilotCompare field, a 6 bit PilotDrop field, a 4 bit PilotDropTimer field, a 1... Agent: Amin, Turocy & Calvin LLP

20090135930 - Method for generating a delay in the transmission of a multicarrier signal, and corresponding computer program, storage means and device: A method is provided for generating a delay in the transmission of a multicarrier signal formed by a time-dependent series of symbols, in which the symbols include a set of complex time-dependent samples, in which each symbol includes a useful part and a guard time. The method includes the following... Agent: Westman Champlin & Kelly, P.A.

20090135923 - Mobile channel estimation for dvb-t cofdm demodulator: A channel estimator for use in a DVB-T system is capable of high Doppler performance without incurring restrictive delay spread limitations, in a hardware efficient manner. A first channel impulse response is generated that has ambiguity due to under-sampling in the frequency domain. A filter is then used to filter... Agent: The Law Offices Of John C. Scott, LLC C/o Intellevele, LLC

20090135922 - Power savings in ofdm-based wireless communication: In a wireless communications system using Orthogonal Frequency Division Multiplex technology, changing the nature of the signals being transmitted/received may be used to reduce power consumption. In one embodiment, reducing the number of carriers that are being employed may be used to decrease power consumption by permitting a reduced clock... Agent: Intel Corporation C/o Cpa Global

20090135932 - Power-line carrier communication apparatus: The invention provides a power-line carrier communication apparatus including a transmission unit with a signal point mapping device for mapping a plurality of bit streams produced from transmission data, a wavelet inverse transforming device for modulating the respective sub-carriers by wavelet waveforms which are orthogonal to each other for producing... Agent: Dickinson Wright PLLC James E. Ledbetter, Esq.

20090135924 - Radio communication base station apparatus and radio communication method in multi-carrier communications: Provided is a radio communication base station device capable of acquiring both a multi-user diversity effect and a frequency diversity effect simultaneously in multi-carrier communications. In this devices modulation units (101-1 to 101-n) modulate data to mobile stations (MS#1 to MS#n) individually to create data symbols. A separation unit (102)... Agent: Dickinson Wright PLLC James E. Ledbetter, Esq.

20090135929 - Receiving apparatus, communication system, receiving method and program: A receiving apparatus according to the present invention has a plurality of synchronizing circuits which is provided corresponding to different preamble signals of a reception signal and operate simultaneously at the time of receiving the preamble signals so as to output synchronous signals, a correlation value comparing section which compares... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090135931 - Reception apparatus, reception method and program: Disclosed herein is a reception apparatus, including, an orthogonal frequency division multiplexing signal reception section, a first filter section, a subtraction section, a second filter section, a coefficient production section, and a Fast Fourier Transformation mathematic operation section.... Agent: Frommer Lawrence & Haug LLP

20090135925 - Transmitter, ofdm communication system, and transmission method: In a cellular system using an OFDM scheme, a transmitter multiplies subcarriers for channel estimation by codes and transmits them, the codes being such that a phase difference φ of the code multiplied with consecutive subcarriers for channel estimation is constant, and a code of every M consecutive subcarriers (M... Agent: Birch Stewart Kolasch & Birch

20090135934 - Method for the transmission on multiple-carrier communications systems, and corresponding transmitter and computer-program product: A method for loading bits over a set of subcarriers of a multiple-carrier communications system comprises the operation of associating with the subcarriers respective numbers of bits chosen from among a plurality of available constellations. The method envisages definition of a performance target for the system and execution of bit... Agent: Seed Intellectual Property Law Group PLLC

20090135936 - Digital broadcasting transmission/reception devices capable of improving a receiving performance and signal processing method thereof: Disclosed is a digital broadcasting transmission/reception system having an improved reception performance and in a signal-processing method thereof. A digital broadcasting transmitter comprises a TS stream generator for inputting robust and normal packets having stuff bytes in predetermined positions and generating dual TS stream by inserting the robust packets between... Agent: Stanzione & Kim, LLP

20090135935 - Digital tv receiver having built-in diversity structure: A receiver is provided that comprises: a channel estimator; a first path for feeding the estimated information into a frequency domain equalizer; a second path for feeding the estimated information into a time domain equalizer; and a combiner or selector to combine or select equalized information from the frequency domain... Agent: Frank F. Tian

20090135938 - Performance of a trellis-based decoder using states of reduced uncertainty: A method and system are provided for improving the performance of a trellis-based decoder. States with reduced uncertainty (SRUs) are defined for one or more predetermined fields in an encoded message. Metrics are set for the SRUs such that candidate paths through a trellis-based decoding process are eliminated for those... Agent: Edell, Shapiro & Finnan, LLC

20090135937 - Trellis constellation shaping: A method for trellis constellation shaping is disclosed. In one embodiment, this method comprises receiving two or more input bits and filtering at least one of the two or more input bits to create two or more filtered output bits. The step of filtering at least one input bit introduces... Agent: Weide & Miller, Ltd.

20090135939 - Apparatus and method for space-time coding in multiple-antenna system: Disclosed is a space-time coding apparatus and method to flexibly adjust diversity/multiplexing orders in a multiple-antenna system. The transmitting apparatus for the multiple-antenna system includes a space-time code controller, an encoder, a demultiplexer, and a space-time encoder. The space-time code controller generates space-time codes by determining bases according to a... Agent: The Farrell Law Firm, P.C.

20090135942 - Apparatus and method for transmitting data using multi-antenna: Provided are an apparatus and method for transmitting data using a multi-antenna. The apparatus includes a transmission buffer selecting unit for selecting transmission buffer of an antenna group corresponding to characteristics of each aggregated Medium access control Protocol Data Units (MPDU) when a list of aggregated MPDUs to transmit is... Agent: Cantor Colburn, LLP

20090135943 - Communication apparatus and controlling method thereof: To determine an appropriate transmission rate more efficiently in communication which uses multiple-input multiple-output technique, a communication apparatus which selects one of a plurality of transmission rates determined by a set of modulation schemes for streams and communicates with an external device using the MIMO technique of performing transmission using... Agent: Fitzpatrick Cella Harper & Scinto

20090135944 - Cooperative-mimo communications: Spatial subchannel codes for wireless devices operating in a cooperative antenna array are generated using an asymptotically optimal decoding algorithm, such as a trellis-exploration algorithm similar to the Viterbi algorithm. A trellis may be constructed using a number of desired subchannels, at least one code length, and a number of... Agent: Steven J Shattil

20090135941 - Method for digital wireless message transmission over a broadband mobile radio channel: In an OFDM multi carrier modulation method, M sub-carriers are used in a frequency band of a broadband mobile radio channel and several symbols are used in a time band. With application of a MIMO multi-antenna method with T transmitting antennae and R receiving antennae, for all sub-carriers and all... Agent: Staas & Halsey LLP

20090135940 - Wireless transmission device and wireless transmission method: A wireless transmission device of the present invention includes n (where n is an integer of two or more) transmission antennas and a delay imparting section for delaying transmission signals supplied to the n transmission antennas by a maximum delay time (n−1)T or less based on a delay time T... Agent: Birch Stewart Kolasch & Birch

20090135945 - Echo cancellation and echo channel estimation system using multiple antennas: Disclosed herein is an echo cancellation and echo channel estimation system that can relay transmit signals without interference with echo signals by canceling the undesired echo signals received by a relay. The echo cancellation and echo channel estimation system is designed to relay signals between a transmitter and a receiver... Agent: Merchant & Gould PC

20090135946 - Tiled-building-block trellis decoders: A multi-level encoded signal is encoded according to at least an upper-level code and a lower-level code. In a receiver, a modified type of a multistage decoder is deployed. The upper-level code is decoded to produce a sequence of tentative upper-level coding decisions independently of the lower-level code. The lower-level... Agent: Eric M. Dowling

20090135947 - Method of selecting candidate vector and method of detecting transmission symbol: The present invention relates to a method of detecting a candidate vector and a method of detecting a transmission symbol using the same. According to an embodiment of the present invention, in a multiple input multiple output (MIMO) system using spatial multiplexing (SM), a receiver selects candidate vectors corresponding to... Agent: JeffersonIPLaw, LLP

20090135948 - System and method for delivery of video, content on demand and ip packets: The present application also describes a method and apparatus for modulating an input signal comprised of an ordered series of samples separated by a substantially constant period T comprising the steps of providing a carrier signal, the carrier signal comprised of a series of samples separated by a substantially constant... Agent: Ladas & Parry LLP

20090135949 - Digitl pre-distortion for othogonal frequency division multiplexing (ofdm)signals: A method (300) and a system (100) for processing an orthogonal frequency division multiplexing (OFDM) signal. At least one portion of an OFDM symbol (125) that exceeds an amplitude limiting threshold can be identified. The identified portion of the OFDM symbol (125) can be filtered to generate a pre-distortion noise... Agent: Motorola, Inc.

20090135950 - Maximizing data rate by adjusting codes and code rates: The present invention provides for making code rate adjustments and modulation type adjustments in a pseudonoise (PN) encoded CDMA system. Coding rate adjustments may be made by changing the number of information bits per symbol, or Forward Error Code (FEC) coding rate. A forward error correction (FEC) block size is... Agent: Volpe And Koenig, P.C. Dept. Icc

20090135951 - Method and apparatus for power control techniques in an ofdm based receiver: A method comprising the steps of: providing a receiver based on synchronous, sequential, digital design techniques, wherein the receiver is subdivided into stages or sub-devices; providing a primary reset, which initializes the receiver to a known state; and providing a primary clock for changing the known state based on other... Agent: Frank F. Tian

20090135952 - Portable terminal having automatic searching function for broadcasting channel and method for searching broadcasting channel automatically in portable terminal: A portable terminal having a function for automatically searching for a broadcasting channel, which may automatically set the broadcasting channel according to variation of a broadcasting zone, and a method of automatically searching for a broadcasting channel in a portable terminal are disclosed. A wireless transceiver receives a system information... Agent: Harness, Dickey & Pierce, P.L.C

20090135953 - Receiving circuit: A receiving circuit includes a frame memory to store received data of one frame, a de-rate matching circuit to generate data before encoding by reading the received data from the frame memory and performing de-rate matching in a reverse manner to rate matching performed on the received data at a... Agent: Mcginn Intellectual Property Law Group, PLLC

20090135954 - Dynamic threshold detector: A burst detector featuring a dynamic threshold that is calculated according to the detection efficiency while operating in a noisy environment. In one embodiment, signals from various directions are multiplied by appropriate weights, wherein the weights are a function of the FAR, the throughput, and/or various modem indications.... Agent: Morrison & Foerster LLP

20090135955 - Radio frequency control for communication systems: An electronic device capable of performing automatic frequency control (AFC) to maintain frequency and timing without good received bursts, in which an oscillation unit and a baseband processing unit are provided. Wherein, the baseband processing unit computes a compensation adjustment according to a prediction model and stored information regarding a... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090135956 - Method and apparatus for precise open loop tuning of reference frequency within a wireless device: A communications subsystem for a wireless device for correcting errors in a reference frequency signal. The communications subsystem comprises a frequency generator for generating the reference frequency signal and a closed loop reference frequency correction module that generates a reference frequency adjustment signal for correcting the reference frequency signal when... Agent: Bereskin And Parr

20090135957 - System and method for communicating data using weighted bit soft decisions for differentially encoded phase shift keying: A receiver includes a signal input for receiving a differentially-encoded quadrature phase-shift keyed (DEQPSK) communication signal. A demodulator performs bit decisions on a received coherent symbol and bit decisions on a received differential symbol. A processor is operative with the demodulator and scales a soft decision by a factor from... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist

20090135963 - Apparatus and method for adaptive receive signal decoding based on channel variation in communication system: An apparatus for adaptively decoding based on a channel variation at a receiver of a communication system supporting an Alamouti mode is provided. The apparatus includes a channel variation estimator for estimating the channel variation; a channel estimator for estimating a channel value of successive channel periods or a channel... Agent: Docket Clerk

20090135959 - Apparatus and method for detecting a missing pulse in complementary coded irregular signals: An apparatus and method for decoding complementary coded irregular data streams including a missing pulse detector circuit. The missing pulse detector circuit includes electrical circuit components configured to receive first and second irregular data streams, and output a data stream corresponding to a valid input data stream only when the... Agent: Lowe Hauptman Ham & Berner, LLP

20090135960 - Communication device: In a communication device for receiving signals from devices that become communication partners, received signals from the respective devices are identified. Each of the devices that become communication partners is provided with a frequency spectrum of a pattern specific to each of the devices. In the communication device, storage means... Agent: Wenderoth, Lind & Ponack, L.L.P.

20090135958 - Controlled transmission of data in a data transmission system: This disclosure relates to controlled transmission of data in a data transmission system. Data from data interface elements may be transmitted in a controlled manner during the guard intervals or cyclic expansions of received RF signals. The received RF signals may be initially analyzed by a receiver to gather its... Agent: Lee & Hayes, PLLC

20090135962 - Digital slicing device: A digital slicing device is provided for making a numerical value determination with respect to an inputted modulated symbol so as to output a corresponding symbol. The digital slicing device includes a demodulating unit, a slicing unit and a re-modulating unit. The demodulating unit is for collecting at least two... Agent: Schwegman, Lundberg & Woessner, P.A.

20090135961 - System and method for scanning sequential logic elements: System and Method for Scanning Sequential Logic Elements A digital system and method for scanning sequential logic elements are disclosed. The digital system may comprise a plurality of sequential logic elements subdivided into power domains, wherein at least one of the power domains is power gated; a scan chain configured... Agent: Ibm Corporation

20090135965 - Flexible rate matching: Flexible rate matching. No constraints or restrictions are placed on a sending communication device when effectuating rate matching. The receiving communication device is able to accommodate received transmissions of essentially any size (e.g., up to an entire turbo codeword that includes all systematic bits and all parity bits). The receiving... Agent: Garlick Harrison & Markison

20090135967 - Method and circuit system for deciding a symbol upon reception of received symbols coupled with a quadrature signal pair: The invention relates to a method and a circuit system for deciding a symbol (S) upon reception of received symbols coupled with a quadrature signal pair (I, Q). For deciding a symbol upon reception of an input signal using received symbols (S) coupled with a quadrature signal pair, wherein phase... Agent: Duane Morris LLP - Princeton

20090135966 - Method for recovering a bit stream from a radio signal: The invention relates to a method for recovering a bit stream from a radio signal (2, 3, 4) received in a first receiving station (S1) and at least one further receiving station (S2, S3), the method comprising the steps of: in each of the receiving stations (S1 to S3), demodulating... Agent: Fay Sharpe/lucent

20090135964 - Method of calculating log-likelihood ratio and method of detecting transmission signal: The present invention relates to a method of calculating a log-likelihood ratio and a method of detecting a transmission signal. According to the present invention, when a transmission symbol candidate vector is detected on the basis of a received signal, a threshold value and an ML metric of each transmission... Agent: JeffersonIPLaw, LLP

20090135968 - Phase-error reduction circuitry for an iq generator: Phase-error-reduction circuitry for an IQ generator, wherein the phase-error-reduction circuitry is arranged to receive I and Q input signals from the IQ generator and to produce I and Q output signals, and wherein the phase-error-reduction circuitry is arranged to sample the I and Q input signals to tend to reduce... Agent: Arent Fox LLP

20090135970 - Direct conversion receiver: A direct conversion receiver wherein even when signals are continuously received, the automatic gain control can be implemented in accordance with the signal levels from which DC offset voltages have been removed. The direct conversion receiver comprises a low-noise amplifier 14, a mixer 16, a local oscillator (LO) 20, a... Agent: Patenttm.us

20090135969 - Method and apparatus for complementary cumulative distribution driven level convergence for spectrum sensing: A method for use in a digital communications receiver for controlling an input signal level (200) into an analog-to-digital converter (ADC) initially receives a sample sequence (201) where a threshold crossing rate is measured as a percentage samples of an input signal that exceed the threshold (203). The error between... Agent: Motorola, Inc

20090135971 - Narrowband gain control of receiver with digital post filtering: An Automatic Gain Control (AGC) circuit as used in a digital receiver that utilizes a main loop filter that is of a relatively wide bandwidth. A pre-filter, wideband variance is determined from the input digital signal, and a post-filter, narrowband variance is also determined. The wideband and narrowband variances are... Agent: Volpe And Koenig, P.C. Dept. Icc

20090135972 - Interfering signal characterizing quantity storing method and device, interfering signal characterizing quantity acquiring method and device, and interfering signal suppressing method and device: An object is to identify interfering signals coming at random timings from different radio stations. In order to attain this object, a method for storing the characterizing quantity of an interfering signal included in a received signal comprises a characterizing quantity calculation step of calculating the characterizing quantity of the... Agent: Wenderoth, Lind & Ponack L.L.P.

20090135973 - Filter and method for suppressing effects of adjacent-channel interference: A filter device and method for suppressing effects of Adjacent-Channel Interference of a received signal in a Frequency-Division-Multiple-Access system by filtering a baseband signal of the received signal. The filter device comprises an interference filter, which is a complex digital Single-Input-Multiple-Output, SIMO, filter that is adapted to simultaneously generate a... Agent: Potomac Patent Group PLLC

20090135974 - Impulse waveform generating apparatus and radio-frequency pulse waveform generating apparatus: An impulse waveform generating apparatus includes a multistage delay pulse signal generating part for generating a plurality of delay pulse signals by a timing signal; a signal source signal generating part for generating a signal source signal indicating the frequency component of an impulse waveform signal by the delay pulse... Agent: Ratnerprestia

20090135975 - Apparatus and method for recovering data: An apparatus for recovering data and a method thereof are provided. The apparatus includes a reference clock generator which generates a reference clock, and a data recovering unit which detects an edge of received data and recovers the data using a time difference between a reference point of the reference... Agent: Mcneely Bodendorf LLP

20090135978 - Apparatus and method for estimating and compensating sampling frequency offset: An apparatus and method for estimating and compensating sampling frequency offset are disclosed. Particularly, a linear mathematical scheme is employed to calculate the related phase difference for saving use of multipliers and storage circuit used for sampling frequency offset estimation and compensation in the conventional art. The preferred embodiment of... Agent: Rosenberg, Klein & Lee

20090135977 - Device for and method of signal synchronization in a communication system: A device for signal synchronization in a communication system, the device comprising a first detector configured to perform a first sliding correlation for a received signal and a pseudo-random noise (PN) sequence to obtain information on symbol timing, a second detector configured to identify a fractional carrier frequency offset (FCFO)... Agent: Alston & Bird LLP

20090135976 - Resolving buffer underflow/overflow in a digital system: In a digital system with more than one clock source, lack of synchronization between the clock sources may cause overflow or underflow in sample buffers, also called sample slipping. Sample slipping may lead to undesirable artifacts in the processed signal due to discontinuities introduced by the addition or removal of... Agent: Qualcomm Incorporated

20090135979 - Method and device for processing the frequency shift of the carrier frequency of a signal modulated with a quadrature continuous single-carrier modulation: A frequency shift of a carrier frequency of an input signal is estimated with a frequency estimator in order to obtain an estimate value. Then, the estimate of the frequency shift is refined, and the carrier frequency is corrected in consequence, with a phase-locked loop that is initialized with the... Agent: Andre M. Szuwalski Jenkens & Gilchrist, A Professional Corporation

20090129442 - Cdma unii link: Techniques and systems for mediating traffic between a network transceiver and a user transceiver in a wireless communication system are disclosed. A network link with the network transceiver is maintained using a network unit, and a user link with the user transceiver is maintained using a user unit. One or... Agent: Mintz, Levin, Cohn, Ferris, Glovsky And Popeo, P.c

20090129441 - Uwb receiver and a data transmission method and system: c

20090129443 - Multi-channel transmission system, transmitting apparatus and transmitting method: A transmitter (1) comprises a spreading code generating part (11) that uses the set values of adjacent parameters to generate spreading codes from a row or column vector in a spreading code matrix comprising trigonometric functions the arguments of which are the adjustment parameters; and a signal multiplexing part (12)... Agent: Edwards Angell Palmer & Dodge LLP

20090129444 - Multi-code multicarrier code division multiple access system in frequency-selective fading channels: The present invention relates to a multi-code multicarrier code division multiple access system in frequency-selective fading channels. According to the present invention, the transmitting device thereof uses the mapping/spectrum-spreading units to receive the plurality of substreams, map and spread the plurality of substreams, and produce a plurality of biorthogonal keying... Agent: Rosenberg, Klein & Lee

20090129447 - Efficient joint detection: K data signals, or bursts, are transmitted over a shared spectrum in a code division multiple access communication format. A combined signal is received and sampled over the shared spectrum, as a plurality of received vector versions. The combined signal includes the K transmitted data signals. A plurality of system... Agent: Volpe And Koenig, P.C. Dept. Icc

20090129445 - Interference characterisation and removal: A method of evaluating the usage in a received signal of codes from a tree of codes that can be used to orthogonalise communications signals, the method including testing to determine if a given code is in use in the received signal and deducing from the result and from the... Agent: Edell, Shapiro & Finnan, LLC

20090129446 - Method and apparatus for generating phase shifted local oscillator signals for a feedback loop on a transmitter: A transmitter is provided with a local oscillator (LO) processing unit to maintain stability in the transmitter's feedback loop. The LO processing unit includes at least one delay locked loop (DLL) and a programmable divider to generate phase shifted LO signals for adjusting a loop phase of the feedback loop... Agent: Motorola, Inc

20090129448 - Apparatus and method for generating scrambling codes: A wireless WCDMA (wideband code division multiple access) receiver comprises a plurality of fingers, a mask engine, a plurality of delay mask scrambling code generators and a maximal ratio combiner. Each finger process a path of a received multi-path signal having an associated delay. For each of the delays, the... Agent: Robert D. Shedd Thomson Licensing LLC

20090129449 - Received signal determination method, positioning device, and electronic instrument: A received signal determination method includes: receiving a positioning signal; performing correlation calculations on the received positioning signal using a code replica of one spreading code among the plurality of spreading codes; selecting a total peak value and a remote peak value, the total peak value being a first maximum... Agent: GlobalIPCounselors, LLP

20090129450 - Apparatus and method for corresponding frequency synchronization in on-channel repeater: Provided is a frequency synchronizing apparatus and method that can synchronize frequencies between receiving signals and transmitting signals by extracting a carrier error and sampling timing error information in a synchronization process of the receiving signal from a main transmitter or another repeater and reflecting them in the transmitting signal... Agent: Ladas & Parry LLP

20090129451 - Data transmission rate adaptation in a wireless communication system: A method for controlling a data transmission rate of at least one transceiver in a wireless system, the transceiver including a transmitter and a receiver, the method including the steps of: determining a signal quality characteristic corresponding to a signal received at the receiver by measuring a difference between one... Agent: Ryan, Mason & Lewis, LLP

20090129452 - Method and apparatus for producing a desired data compression output: A method and apparatus for testing the functionality of a data decoder is provided. The functionality of a decoder is examined through the used of a functional bitstream. The functional bitstream is a bitstream which when decoded by a properly functioning decoder, produces a desired output. Such a bitstream can... Agent: Patent Docket Administrator Lowenstein Sandler P.C.

20090129453 - Method for identifying noise sources for automation devices, and noise source identification unit therefore: m

20090129454 - Rate selection with margin sharing: Rate selection with margin sharing in a system with independent data stream rates is presented. Signal-to-Noise Ratio (SNR) estimates are obtained for each stream. Rates are selected for the streams based on the SNR estimates, such that at least one data stream has an SNR margin below a threshold, each... Agent: Qualcomm Incorporated

20090129455 - Apparatus for and method of automatically controlling skew between transmitted data: Provided is an apparatus for and method of automatically controlling skew between transmitted data, which is caused when a common low-speed field-programmable gate array (FPGA) transmits signals having a transmission rate in the range of tens of Gbps to an optical transponder. The apparatus and method can transmit data with... Agent: Lahive & Cockfield, LLP Floor 30, Suite 3000

20090129457 - Equalizer circuit: In an equalizer circuit of one aspect, a first Fourier transform circuit Fourier-transforms an input signal and outputs a corresponding first Fourier-transformed signal, and a first extracting circuit extracts a plurality of pilot symbols from the first Fourier-transformed signal. An inverse Fourier transform circuit calculates a complex gain of each... Agent: Volentine & Whitt PLLC

20090129458 - Method and apparatus for estimating the step-size of an adaptive equalizer: A step-size estimator for controlling the step-size of an adaptive equalizer incorporated in a transceiver (e.g., a wireless transmit/receive unit (WTRU)). The step-size estimator updates at least one adaptive equalizer tap used by the adaptive equalizer based on an apparent speed of a channel established between the transceiver and another... Agent: Volpe And Koenig, P.C. Dept. Icc

20090129456 - Receiver with multiple antennas and method of receiving signals: Provided are a multiple antenna receiver and a method of receiving a signal. A multiple antenna receiver includes a plurality of antennas to receive a plurality of received symbols, a QR decomposition unit to perform QR decomposition for a channel matrix, a Q-received symbol generator to generate Q-received symbols corresponding... Agent: Mcneely Bodendorf LLP

20090129459 - Data receiver of semiconductor integrated circuit: A semiconductor integrated circuit equipped with an equalizer which has a circuit structure simpler than that of a related equalizer according to an FFE scheme or a DFE scheme and is capable of preventing a noise component from being amplified. The data receiver includes a plurality of receiver units, wherein... Agent: Baker & Mckenzie LLP Patent Department

20090129460 - Pulse transmission method, pulse transmission system, transmitter, and receiver: A pulse transmission method for transmitting data by using pulse signals, each having a predetermined pulse width; defining a symbol time at least N times the predetermined pulse width, N being at least 2; defining a basic delay time calculated by dividing the predetermined pulse width by a predetermined integer;... Agent: Arent Fox LLP

20090129461 - Compression code for transferring rate matched data between devices: A block of N-bit symbols is compressed to reduce transfer bandwidth between two devices. A plurality of locations within the block of N-bit symbols is identified in which a same known N-bit symbol is to be located. The known symbol in each of the plurality of locations is replaced with... Agent: Texas Instruments Incorporated

20090129462 - Method of selecting a reference picture: In one embodiment, the method includes determining reference picture index numbers in a reference picture list. The reference picture index numbers increase for reference pictures having a decreasing display order with respect to a picture including the macroblock. The reference picture index numbers increase for reference pictures having an increasing... Agent: Harness, Dickey & Pierce, P.L.C

20090129463 - Method of selecting a reference picture: In one embodiment, the method includes determining reference picture index numbers in a reference picture list. The reference picture index numbers increase for reference pictures having a decreasing display order with respect to a picture including the macroblock. The reference picture index numbers increase for reference pictures having an increasing... Agent: Harness, Dickey & Pierce, P.L.C

20090129464 - Adaptive coding and decoding: The invention relates to a method of transmitting an image portion, which method comprises, in a coding phase analyzing a coding context, adapting a parameter of a group of prediction functions that can be used for coding, forming a first predicted descriptor using a selected prediction function, and determining and... Agent: Mckenna Long & Aldridge LLP

20090129465 - Methods and apparatus for adaptive reference filtering (arf) of bi-predictive pictures in multi-view coded video: There are provided methods and apparatus for adaptive reference filtering of bi-predictive pictures in multi-view coded video. An apparatus includes an encoder (100) for encoding a current picture as a bi-predictive picture. The encoder (100) performs adaptive filtering of at least one reference picture to respectively obtain at least one... Agent: Robert D. Shedd Thomson Licensing LLC

20090129466 - Method, medium, and apparatus efficiently encoding and decoding moving image using image resolution adjustment: A method, medium, and apparatus encoding and/or decoding a moving image. The method of decoding a moving image includes increasing a resolution of a compression image corresponding to a reference image of a current image from among compression images stored in a memory in order to reconstruct the reference image,... Agent: Staas & Halsey LLP

20090129467 - Method for encoding at least one digital picture, encoder, computer program product: A method for encoding at least one digital picture is described, wherein a first representation of the picture is generated, a second representation of the picture is generated and a third representation of the picture is generated from the first representation of the picture and the second representation of the... Agent: Crockett & Crockett, P.C.

20090129468 - Method for decoding and encoding a video signal: A method for decoding/encoding a video signal using an inter layer prediction process is disclosed. The method for decoding a video signal including several layer information includes: a) acquiring a first prediction signal for a current block of an enhancement layer and a residual signal based on at least a... Agent: Harness, Dickey & Pierce, P.L.C

20090129469 - Coding apparatus, coding method, and coding system: A first prediction unit performs intra-prediction of an original image corresponding to an inter-frame coded frame to produce a first prediction residual and a prediction parameter. A second prediction unit performs intra-prediction of local decode data corresponding to the inter-frame coded data with the prediction parameter to produce a second... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090129470 - Image information encoding apparatus and image information encoding method, and image information decoding apparatus and image information decoding method: The present invention is directed to an image information encoding apparatus, used in receiving compressed image information through network media when processing of such compressed image information is performed on storage media. A picture sorting buffer delivers information of picture type of frame Picture_type to a picture type discrimination unit.... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090129471 - Image decoding apparatus and method for decoding prediction encoded image data: An image data decoding method for decoding compression encoded image data which includes a plurality of image pictures, includes: a selection step of selecting, when one of the plurality of image pictures are to be decoded, and when a first reference picture to be referred to by that image picture... Agent: Fitzpatrick Cella Harper & Scinto

20090129472 - Method and apparatus for performing motion estimation: The present invention discloses a system and method for performing motion estimation associated with an encoder, e.g., a H.264/MPEG-4 AVC compliant encoder. For example, the method selects a motion vector centering for a current block in a search area of at least one reference picture. The method calculates a matching... Agent: Motorola, Inc. Law Department

20090129474 - Method and apparatus for weighted prediction for scalable video coding: There are provided scalable video encoders, scalable video decoders, and corresponding scalable video encoding and decoding methods. A scalable video encoder includes an encoder for encoding a block in an enhancement layer of a picture by using a motion vector that corresponds to a block in a lower layer of... Agent: Robert D. Shedd Thomson Licensing LLC

20090129475 - Method of processing a current field macroblock: In one embodiment, the method includes determining reference picture index numbers in a reference picture list. The reference picture index numbers increase for reference pictures having a decreasing display order with respect to a picture including the macroblock. The reference picture index numbers increase for reference pictures having an increasing... Agent: Harness, Dickey & Pierce, P.L.C

20090129473 - System and method for adjusting compression noise reduction based on global and local motion detection: A method of processing image data, comprising receiving image data, the image data discretizable into a plurality of segments and a plurality of motion vectors, each motion vector having a length and being associated with one of the plurality of segments, analyzing the motion vector of one of the plurality... Agent: Knobbe, Martens, Olson, & Bear, LLP

20090129476 - Video encoding/decoding method and apparatus: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090129478 - Deblocking filter: A multi-standard deblocking filter for deblocking video images including a deblocking unit configured to deblock edges of a current macroblock of an image based on samples taken from a first sample window comprising said current macroblock and a second sample window adjacent to said first sample window; three memory banks... Agent: Seed Intellectual Property Law Group PLLC

20090129479 - Method and apparatus for grid-based interactive multimedia: Methods and apparatus for generating an interactive video stream from a plurality of multimedia components based on a state definition is disclosed. A plurality of multimedia components are retrieved in accordance with the state definition. The plurality of multimedia components are decoded. The plurality of multimedia components are retimed to... Agent: Michael Toback

20090129480 - Method of processing a current field macroblock: In one embodiment, the method includes determining reference picture index numbers in a reference picture list. The reference picture index numbers increase for reference pictures having a decreasing display order with respect to a picture including the macroblock. The reference picture index numbers increase for reference pictures having an increasing... Agent: Harness, Dickey & Pierce, P.L.C

20090129477 - Methods and apparatus for fast signal acquisition in a digital video receiver: Methods and systems for receiving, processing and/or decoding digital video signal and acquisition of transmission parameters encoded therein. The method generally includes providing an initial set of parameters for decoding the digital video signal, finding a synchronization block position by matching bits of the transmission parameter signal to a predetermined... Agent: The Law Offices Of Andrew D. Fortney, Ph.d., P.C.

20090129483 - Artifact-free displaying of mpeg-2 video in the progressive-refresh mode: A method and apparatus for decoding and displaying a bitstream, such as, for example, Motorola/GI HITS bitstream, is provided. The method avoids displaying artifacts caused by displaying incompletely decoded pictures after channel acquisition. After the channel acquisition, an entry picture, a P-picture with the refreshed I-slices at the top of... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20090129482 - Method of selecting a reference picture: In one embodiment, the method includes determining reference picture index numbers in a reference picture list. The reference picture index numbers increases for reference pictures having a decreasing display order with respect to a picture including the macroblock. The reference picture index numbers increases for reference pictures having an increasing... Agent: Harness, Dickey & Pierce, P.L.C

20090129481 - System and method for transcoding entropy-coded bitstreams: A system and method for transcoding an entropy-coded bitstream is presented herein. The syntax elements of the entropy-coded bitstream are decoded and transcoded into a second format. The second format can comprise a simpler format for decoding. The foregoing advantageously alleviates the processing requirements for the video decompression engine.... Agent: Mcandrews Held & Malloy, Ltd

20090129484 - Low density parity check (ldpc) encoded higher order modulation: A method and apparatus is disclosed to map a sequence of data to Quadrature Amplitude Modulation (QAM) constellation symbols. The method and apparatus encodes only a portion of the sequence of data and leaves a remaining portion of the sequence of data unencoded. The encoded portion of the sequence of... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20090129485 - Structure for transmitter bandwidth optimization circuit: A design structure embodied in a machine-readable medium used in a design process provides a transmitter having a frequency response controllable in accordance with an operational parameter, and may include a storage operable to store operational parameters for controlling a frequency response of the transmitter under each of a plurality... Agent: International Business Machines Corporation Dept. 18g

20090129487 - Methods and apparatus for generating and processing transmitter signals: Transmitter signals are modulated with one or more codes which may represent a pulse even though the code(s) are not shaped as pulses. The code(s) may be generated by defining a pulse by its Fourier components, and then adding random phases to the Fourier components. A time-domain signal may then... Agent: Wolf Greenfield & Sacks, P.C.

20090129486 - Systems and methods for providing security communication procesess in a security system: A system that provides security communication processes in a security system is provided. The system has a digital signal processor (“DSP”), a memory portion and a coder/decoder (“CODEC”). The DSP implements a plurality of different communication processes. The memory portion has a plurality of communication algorithms that implement a corresponding... Agent: Hamre, Schumann, Mueller & Larson, P.C.

20090129495 - Allocation of radio resource in orthogonal frequency division multiplexing system: An uplink capacity is increased by a method in which more than two mobile stations simultaneously use a radio resource allocated to one mobile station. A method of allocating a radio resource in an orthogonal frequency division multiplexing system comprises receiving data associated with a radio resource allocation map from... Agent: Lee, Hong, Degerman, Kang & Waimey

20090129494 - Apparatus and method for canceling dc offset in broadband wireless access communication system: An apparatus and method for canceling a Direct Current (DC) offset in a Broadband Wireless Access (BWA) communication system are provided. The method includes canceling a DC offset by performing self-calibration in a modulator/demodulator (modem), attempting initial synchronization acquisition in the modem, and if the initial synchronization acquisition succeeds, canceling... Agent: Cha & Reiter, LLC

20090129491 - Inserting method of downlink common pilot: The present invention discloses a method for inserting a downlink common pilot in a TDD system and more particularly to a method for inserting a downlink common pilot in a TDD system based on OFDMA technology and the method includes two steps. A: data to be transmitted are divided into... Agent: Merchant & Gould PC

20090129490 - Method and a device for dynamically selecting orthogonal functions of an orthogonal transmission system: An interleaving method (1) and a frequency interleaver (EF) of data symbols. The data symbols are for allocation to carriers of a set of NFFT carriers of a module for multiplexing and modulation by orthogonal functions in a multicarrier transmitter device (EM). The method includes selecting in time-varying manner from... Agent: Cohen, Pontani, Lieberman & Pavane LLP

20090129488 - Method of reducing interference: Various schemes for reducing effects of interference within communication systems are disclosed. A transmitter transmits a signal in a first time interval and a scrambled version of the signal in a second time interval, which does not overlap with the first time interval. A receiver receives a composite signal including... Agent: Qualcomm Incorporated

20090129489 - Receiver and a method for channel estimation: whereas a difference between locations of pilot subcarriers of the first group and locations of corresponding pilot subcarriers of the second group is substantially constant; and at least one of the following conditions are fulfilled: (i) pilot subcarriers that belong to the same group of subcarriers are non-evenly spaced in... Agent: Freescale Semiconductor, Inc. Law Department

20090129493 - Receiver for differentially modulated multicarrier signals: The invention relates to receivers and methods for receiving multi-carrier differentially modulated signals utilizing iterative decision-directed differential detection. The receiver includes a decision feedback loop including a channel estimator for estimating inter-symbol channel variations, and a differential equalizer for correcting channel-induced errors in a differentially detected signal based on the... Agent: Teitelbaum & Maclean

20090129492 - Transmitter, communication system and transmission method: A transmitter employing an OFDM system, including a phase rotating portion which gives a same phase rotation amount to each group configured with a plurality of consecutive subcarriers modulated by a data symbol or a known symbol, a rotation amount determining portion which sets a phase rotation for each antenna... Agent: Birch Stewart Kolasch & Birch

20090129496 - Full-rate distributed space-time codes for cooperative communications: A full-rate distributed space-time (ST) code design is provided for amplify-and-forward cooperative wireless channels. A signal space diversity technique is employed at the source node and a unique signature vector at each relay node. The distributed space-time (ST) codes can achieve full cooperative diversity and full rate. The achievable diversity... Agent: Amin, Turocy & Calvin, LLP

20090129499 - Method and apparatus for implementing space frequency block coding in an orthogonal frequency division multiplexing wireless communication system: The present invention is related to a method and apparatus for implementing space frequency block coding (SFBC) in an orthogonal frequency division multiplexing (OFDM) wireless communication system. The present invention is applicable to both a closed loop mode and an open loop mode. In the closed loop mode, power loading... Agent: Volpe And Koenig, P.C. Dept. Icc

20090129497 - Method, device and system of multi-input-multi-output wireless communication: Some demonstrative embodiments include devices, systems and/or methods of Multiple-Input-Multiple-Output wireless transmission. One embodiment may include a receiver to receive a wireless transmission via a plurality of receive antennas, and to generate an output including data based on the received wireless transmission, the receiver including a decoder to decode symbols... Agent: Empk & Shiloh, LLP C/o Landon Ip, Inc.

20090129498 - Mimo demodulator and method for the same: Channel estimates calculated by a channel estimator (32) are linearly interpolated (34). When transmissions from transmitting antennas are stopped due to a deterioration of the propagation environment, since a larger amount of computing resources become available for use, a channel estimate selector 36 selects the linearly interpolated channel estimates and... Agent: Hanify & King Professional Corporation

20090129500 - System and method for delivery of video, content on demand and ip packets: The present application also describes a method and apparatus for modulating an input signal comprised of an ordered series of samples separated by a substantially constant period T comprising the steps of providing a carrier signal, the carrier signal comprised of a series of samples separated by a substantially constant... Agent: Ladas & Parry LLP

20090129501 - Optimal signaling and selection verification for transmit antenna selection with erroneous feedback: A method is provided for receiving data at a receiver via a communication channel from a transmitter having at least two transmitter antennas, the method including: receiving (S204) a codebook including an assignment of at least two respective codewords to the at least two transmitter antennas, the assignment being based... Agent: Mitsubishi Electric Research Laboratories, Inc.

20090129502 - Wireless feedback system and method: A codebook C is provided in a MIMO transmitter as well as a MIMO receiver. The codebook C will include M codewords ci, where i is a unique codeword index for each codeword ci. Each codeword defines weighting factors to apply to the MIMO signals, and may correspond to channel... Agent: Withrow & Terranova, P.l.l.c.

20090129503 - Communication device, communication system, and modulation method: The following process is eliminated to reduce the processing volume: calculating the amount of phase rotation from a reference signal point stored in the device, and carrying out further rotation so that a signal point is obtained that corresponds to the signal point obtained as a result of calculating the... Agent: Hogan & Hartson L.L.P.

20090129504 - Digital broadcasting system and method of processing data in digital broadcasting system: The present invention provides a data processing method. The data processing method includes receiving a broadcast signal in which main service data and mobile service data are multiplexed, acquiring transmission-parameter-channel signaling information including transmission parameter information of the mobile service data, and fast-information-channel signaling information, acquiring binding information describing a... Agent: Lee, Hong, Degerman, Kang & Waimey

20090129506 - Digital broadcasting transmission/reception system having improved receiving performance and signal processing method thereof: A digital broadcasting transmission/reception system having improved receiving performance and signal processing method thereof. A digital broadcasting transmitter according to the present invention includes a data pre-processor which processed robust data and generates robust data packet of predetermined format, a TS stream generator which combines robust data packet with a... Agent: Stanzione & Kim, LLP

20090129507 - Digital broadcasting transmission/reception system having improved receiving performance and signal processing method thereof: A digital broadcasting transmission/reception system having improved receiving performance and signal processing method thereof. A digital broadcasting transmitter according to the present invention includes a data pre-processor which processed robust data and generates robust data packet of predetermined format, a TS stream generator which combines robust data packet with a... Agent: Stanzione & Kim, LLP

20090129505 - Partial-rate transfer mode for fixed-clock-rate interface: Systems and methods are provided for a partial-rate transfer mode using fixed-clock-rate interfaces. In the partial-rate mode, each data bit is transmitted consecutively two or more times. The receiver uses a global clock without phase adjustment to detect the replicated incoming bits. As a result, the receiver system can receive... Agent: Pvf -- Rambus, Inc. C/o Park, Vaughan & Fleming, LLP

20090129508 - Quadrature alignment in communications receivers: The present invention, generally speaking, takes advantage of the properties of quadrature signals to achieve precise quadrature alignment in a simple fashion. In particular, the expectation of the product of quadrature signals is zero. In accordance with the teachings of the invention, a phase error detection network therefore operates by... Agent: Mcdermott Will & Emery LLP

20090129509 - Digital broadcasting system and data processing method: A receiving system and data processing method therein are disclosed, by which mobile service data is received and processed. The receiving system comprises a tuner, a filter, an IQ mismatch processor, a gain controller and a demodulator. The tuner tunes radio frequency (RF) signals of a specific channel which includes... Agent: Lee, Hong, Degerman, Kang & Waimey

20090129510 - Frequency shift keying (fsk) digital signal receiving apparatus: A frequency shift keying digital signal receiving apparatus includes a detecting portion detecting a new signal on the basis of a signal, from which a correlated ambient noise is filtered out by an adaptive filter, a holding portion holding a first electric power for the signal received before a new... Agent: Sughrue Mion, PLLC

20090129513 - Apparatus, methods, and computer program products providing partial mimo reception and decoding: In a first aspect, there are received m transmitted signals of a multiple input/multiple output transmission comprising n transmitted signals corresponding to n streams of n different polarizations, where n is a positive integer greater than one, and m is an integer less than n. The m received signals are... Agent: Harrington & Smith, PC

20090129512 - Digital broadcasting trasmission/reception system having improved receiving performance and signal processing method thereof: A digital broadcasting transmission/reception system having improved receiving performance and signal processing method thereof. A digital broadcasting transmitter according to the present invention includes a data pre-processor which processed robust data and generates robust data packet of predetermined format, a TS stream generator which combines robust data packet with a... Agent: Stanzione & Kim, LLP

20090129511 - Staggeredpilot transmission for channel estimation and time tracking: To allow a receiving entity to derive a longer channel estimate while limiting overhead, a transmitting entity transmits a pilot on different groups of subbands in different time intervals. N subbands in the system are arranged into M non-overlapping groups. Each group includes P=N/M subbands that are uniformly distributed across... Agent: Qualcomm Incorporated

20090129514 - Accurate data-aided frequency tracking circuit: A frequency compensation circuit for compensating for a frequency offset in a received signal, the received signal including a periodically repeated pilot sequence for phase locking. The circuit comprises a phase estimator for estimating a phase of the received signal; a phase compensator, associated with the phase estimator, for compensating... Agent: Martin D. Moynihan D/b/a Prtsi, Inc.

20090129515 - Digital broadcasting transmission/reception system utilizing mull packet 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 a MPEG-2 transmission stream having null data for inserting a Known data and a TRS parity at predetermined positions, randomizer to input... Agent: Stanzione & Kim, LLP

20090129516 - Digital broadcasting transmission/reception system utilizing mull packet 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 a MPEG-2 transmission stream having null data for inserting a Known data and a TRS parity at predetermined positions, randomizer to input... Agent: Stanzione & Kim, LLP

20090129517 - 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

20090129518 - 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

20090129519 - Method and apparatus for joint equalization and decoding of multilevel codes: A method and apparatus are disclosed for joint equalization and decoding of multilevel codes, such as the MLT-3 code, which are transmitted over dispersive channels. The MLT-3 code is treated as a code generated by a finite-state machine using a trellis having state dependencies between the various states. A super... Agent: Ryan, Mason & Lewis, LLP

20090129520 - Digital signal receiving apparatus: A digital signal receiving apparatus includes: detection-judging portion judging a possible presence of a desired signal when a signal level of a smoothed signal is greater than a reference level; wherein said first smoothed signal and said second smoothed signal are compared in order to generate a detection signal representing... Agent: Sughrue Mion, PLLC

20090129521 - Systems and methods for increasing audio snr (signal to noise ratio) in a digital sound decoder: Systems and methods for increasing audio SNR in a NICAM digital sound decoder are provided. One method according to the invention includes receiving a scale factor that indicates a number of bits of a Near Instantaneous Companded Audio Multiplex (NICAM) signal that have been truncated from the signal. The method... Agent: Weiss & Arons, LLP

20090129522 - Apparatus and method for parallel symbol cancellation for spatial multiplexing in multiple input multiple output system: An apparatus and method for parallel symbol cancellation in a Multiple Input Multiple Output (MIMO) system supporting spatial multiplexing. The method includes selecting one of four quadrants representing all points on a constellation having normalization distribution, selecting a single reference point in the selected quadrant and generating a reference value... Agent: Cha & Reiter, LLC

20090129523 - Digital signal receiving apparatus: A digital signal receiving apparatus includes a detection-judging portion having a first smoothing filter generating a first smoothed signal by smoothing an auto-correlation signal and judging a possible presence of a desired signal when a signal level of the first smoothed signal is greater than a reference level and an... Agent: Sughrue Mion, PLLC

20090129525 - Apparatus and method for phase locked loop: The PLL (Phase Locked Loop) apparatus and the PLL method are disclosed, wherein an output clock signal is counted in response to a reference clock signal to detect a frequency offset value and divide the output clock signal by a prescribed value to generate a phase detection value in response... Agent: Birch Stewart Kolasch & Birch

20090129526 - Phase-locked loop circuit and corresponding control method: A phase-locked loop circuit includes a phase frequency detector, a loop filter, a voltage-controlled oscillator, an N/N+1 times frequency-divider and a controller. The phase frequency detector is configured for receiving a reference frequency and a feedback frequency, and comparing the reference frequency and the feedback frequency to output an adjust... Agent: PCe Industry, Inc. Att. Steven Reiss

20090129524 - Spread spectrum clock generators: Spread spectrum clock generators. A phase lock loop generates an output clock according to a first input clock and a second input clock, a delay line is coupled between the first input clock and the phase lock loop. A modulation unit provides a modulation signal to control the delay line... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090122837 - Approach for managing the use of communications channels based on performance: An approach for selecting sets of communications channels involves determining the performance of communications channels. A set of channels is selected based on the results of performance testing and specified criteria. The participant generates data that identifies the selected set of channels and provides that data to other participants of... Agent: Hickman Palermo Truong & Becker, LLP

20090122838 - Transmission device, reception device, communication system, transmission method and program: A transmission device of the present invention includes a MAC that generates data I transmitted by a band group M and generates data J transmitted by a band group N; signal switching parts that exchange a part of the data I and a part of the data J; and antennas... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090122839 - Scrambling codes for secondary synchronization codes in wireless communication systems: Systems and methodologies are described that facilitate employing a scrambling code from a set of scrambling codes, which is indexed by primary synchronization codes (PSCs), to scramble or descramble a secondary synchronization code (SSC). The scrambling codes in the set can be designed to optimize peak-to-average power ratios and/or mitigate... Agent: Qualcomm Incorporated

20090122840 - Ultra-wideband communication system provided with a frequency controlled dispersive antenna: Radiocommunication equipment and method comprising at least the following elements: at least one frequency scan antenna (1) connected to a modem (3) adapted to generate a spectrum OFDM modulation-based waveform by increasing the duration of an OFDM symbol by reproducing the FFT pattern.... Agent: Lowe Hauptman & Berner, LLP

20090122841 - Despreading circuit and electronic apparatus: For channelization codes CC#1 to CC#15, the despreading circuit comprises an FHT circuit with a spreading factor of 16 which outputs the results of despreading of an HS-PDCH. An adder is connected to the FHT circuit at an output terminal thereof corresponding to channelization code CC#0. The adder is connected... Agent: Hanify & King Professional Corporation

20090122842 - High frequency signal hub: The present invention concerns a system for high frequency signal transmission in power line networks and also concerns signal hubs and repeaters to be used in such systems. The primary aim of the invention is to provide a communication system of a general type wherein the isolation between high frequency... Agent: Geir Monsen Vavik

20090122843 - Reradiation apparatus for terrestrial digital broadcasting and method for reradiating terrestrial digital broadcasting: A reradiation apparatus for terrestrial digital broadcasting which can continue to reradiate a broadcasting signal even if the receive state of the broadcasting signal deteriorates intermittently with movement is provided. The reradiation apparatus for the terrestrial digital broadcasting includes plural antennas which are provided in mutually spaced along the running... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090122844 - Transfer of encoded data: The invention relates to a method that includes transfer of data encoded on the basis of a first encoding scheme via an interface between a baseband assembly and a radio-frequency assembly of a mobile radio transceiver. The method further includes transfer of a data sequence which is encoded on the... Agent: Eschweiler & Associates LLC

20090122847 - Antenna configurations for compact device wireless communication: A wireless communication device is configured to provide wireless communication to a host device when disposed in a mated position with the host device. The wireless communication device includes a transceiver, a controller in communication with the transceiver, and a modem in communication with the controller. The wireless communication device... Agent: Nixon Peabody LLP

20090122846 - Enhanced channel changing within multi-channel communication systems: Enhanced channel changing within multi-channel communication systems. A CMTS directs channel changing of a CM, sometimes between upstream data bursts. Logical channels, part of a single frequency channel, may be used, and the channel changing may be performed between those logical channels. Multiple upstream burst profiles and/or modulation densities may... Agent: Garlick Harrison & Markison

20090122845 - Hybrid circuit without inductors: A hybrid circuit without inductors is provided. Embodiments can be used in high-speed communication devices, including Cable modem and Digital Subscriber Line (DSL) devices. In particular, embodiments can be used in Very High Speed DSL (VDSL) devices. Embodiments provide a cheap and compact solution to the echo rejection problem in... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20090122848 - Calibrating received signal measurements in a digital subscriber line device: Methods and apparatus for calibrating received signal measurements in a digital subscriber line (DSL) device are disclosed. In an exemplary method, a received signal level is measured for each of one or more subcarriers of a digital subscriber line signal and converted into a corresponding measured power level. A corrected... Agent: Coats & Bennett/infineon Technologies

20090122850 - test circuit capable of masking data at read operation and method for controlling the same: A test circuit capable of reducing the number of data I/O pins of a tester at a read operation includes a data masking control unit for masking a part of output data in response to an activation of one of an upper data masking signal to control a group of... Agent: Baker & Mckenzie LLP Patent Department

20090122851 - Method and device for data processing and communication system with data processing device: Signal processing and/or signal modulation includes tracking a phase parameter; determining a discontinuity; and compensating for the discontinuity.... Agent: Staas & Halsey LLP

20090122849 - Testability technique for phase interpolators: A method and circuit for testing phase interpolators is provided. The method performs a sweep over a phase interpolator delay range and detects if the phase interpolators experience an unacceptably large non-linearity which leads to inaccurate clock timing. The testing circuit implementing this technique uses a phase detector to detect... Agent: Cool Patent, P.C. C/o Cpa Global

20090122852 - Eye violation and excess jitter trigger: An eye violation and excess jitter trigger for a digital signal uses a mask within a unit interval of the digital signal, such as a rectangular mask having corners defined by a high threshold, a low threshold, an early clock and a late clock, the early and late clocks being... Agent: Thomas F. Lenihan Tektronix, Inc.

20090122853 - Channel tracking methods for subspace equalizers: A receiver includes a subspace filter having first and second basis filters, with the first basis filter module generating a weighted average channel estimate. The receiver collects a plurality of channel estimates over an interval and combines the plurality of channel estimates using a weighting factor and summing to generate... Agent: Orrick, Herrington & Sutcliffe, LLPIPProsecution Department

20090122854 - Frequency domain equalization with transmit precoding for high speed data transmission: Various embodiments of multi input multi output (MIMO) communication systems include a transmit Tomlinson-Harashima Precoding (THP) technique and a single carrier frequency domain equalization (SC-FDE) technique. Parallel THP-FDE and successive THP-FDE are proposed based on the minimum mean square error (MMSE) criterion. For the successive THP-FDE technique, where all transmit... Agent: Amin, Turocy & Calvin, LLP

20090122855 - Systems and methods for mitigating the effects of upstream far-end cross talk: Systems and methods for mitigating the effects of self-FEXT within an xDSL system are described. At least one embodiment is a method for reducing self-induced far end crosstalk (self-FEXT) in a multiple input multiple output (MIMO) digital subscriber line (xDSL) system. The method comprises deriving an initial value for an... Agent: Thomas, Kayden, Horstemeyer & Risley, L.L.P.

20090122856 - Method and apparatus for encoding data: A method and apparatus for reducing the number of DQ pins and current used to access data in a memory system or data transfer device, wherein an additional bit is temporally encoded on a data word during a singular access cycle. During an access cycle, the pulse level or levels... Agent: Patterson & Sheridan, LLP Gero Mcclellan / Qimonda

20090122857 - Method and apparatus for performing rank overriding in long term evolution networks: Apparatus and method of generating a long term evolution (LTE) codebook and performing rank overriding are disclosed. Reordering rules are presented, whereby a second column vector of each rank-4 precoding matrix will not appear in column vectors of a rank-3 precoding matrix, and the first column vector of each rank-4... Agent: Volpe And Koenig, P.C. Dept. Icc

20090122859 - Picture transmission method, picture transmission method program, storage medium which stores picture transmission method program, and picture transmission apparatus: A picture transmission method is disclosed which involves encoding moving picture data and transmitting the encoded data. The picture transmission method includes the steps of encoding firstly the moving picture data into a moving picture stream for transmission at a predetermined data transfer rate, and encoding secondly, based on position... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090122858 - Receiving and processing multiple video streams associated with a video program: Methods and systems for the efficient and non-redundant transmission of a single video program in multiple frame rates, optionally employing a combination of video coding standards, in a way that is backwards-compatible with legacy receivers only supportive of some subsection of frame rates or of some subsection of video coding... Agent: Thomas, Kayden, Horstemeyer & Risley Scientific Atlanta, A Cisco Company

20090122860 - Method and apparatus for adaptive group of pictures (gop) structure selection: There are provided a method and apparatus for adaptive Group of Pictures structure selection. The apparatus includes an encoder for encoding a video sequence using a Group of Pictures structure by performing, for each Group of Pictures for the video sequence, picture coding order selection, picture type selection, and reference... Agent: Robert D. Shedd Thomson Licensing LLC

20090122862 - Method for locally adjusting a quantization step and coding device implementing said method: e

20090122865 - Method and device for coding a scalable video stream, a data stream, and an associated decoding method and device: A video sequence is coded in the form of a base level and an refinement level. A group of pictures of the base level comprises intra coded or mono-predicted end images (I,P) and bi-predicted images (B1, B2, B3), the refinement level comprises at least one image (E2, E4, . .... Agent: Fitzpatrick Cella Harper & Scinto

20090122864 - Moving picture coding method, moving picture decoding method, and apparatuses of the same: A moving picture coding method according to the present invention is a moving picture coding method for coding a moving picture which includes pictures, the method including: partitioning a picture into blocks each of which includes pixels; selecting a scanning scheme from among plural scanning schemes; scanning the blocks according... Agent: Wenderoth, Lind & Ponack L.L.P.

20090122863 - Video transcoding techniques for gaming networks, and gaming networks incorporating the same: The exemplary embodiments described herein relate to light-weight video transcoding techniques for allowing media (e.g., audiovisual content that may be pre-recorded media and/or live media provided in substantially real-time) to one or more peripherals (e.g., gaming devices, overhead displays, etc.) attached to gaming networks. In certain exemplary embodiments, video data... Agent: Nixon & Vanderhye, PC

20090122867 - Coding background blocks in video coding that includes coding as skipped: A method, an apparatus, and a method to encode a block in a picture of a time sequence of pictures such as video. The method includes selecting the mode for coding the block, one of the modes being to code the block as skipped. The method further includes limiting the... Agent: Dov Rosenfeld

20090122866 - Dominant motion estimation for image sequence processing: Herein is described a method of estimating dominant motion between a current frame n and another frame m of an image sequence having a plurality of frames, the method comprising generating integral projections of the images and using gradients of those projections and using differences between the projections. The input... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090122861 - Integer transform function for video compression systems: The present invention is directed to video coding/decoding and discloses a method for transforming to/from transform coefficients and residual pixel data in moving pictures by a set of semi-orthonormal basis vectors. The basis vectors are derived from conventional DCT or KTL matrixes, but relaxes to some extend the requirements for... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090122868 - Method and system for efficient video compression with low-complexity encoder: Disclosed are a method and system for video compression, wherein the video encoder has low computational complexity and high compression efficiency. The disclosed system comprises a video encoder and a video decoder, wherein the method for encoding includes the steps of converting a source frame into a space-frequency representation; estimating... Agent: Scully, Scott, Murphy & Presser, P.C.

20090122870 - Adaptive compression of video reference frames: The subject matter disclosed herein provides methods and apparatus, including computer program products, for providing intermediate compression or decompression for use with a video decoder and a memory. In one aspect, there is provided a method including receiving information to enable compression of a macroblock. At an intermediate section coupled... Agent: Volpe And Koenig, P.C. Dept. Amd

20090122869 - Encoders and scheduling methods for macroblock-based adaptive frame/filed coding: Encoders and scheduling methods for macroblock-based adaptive frame/filed (MBAFF) coding are provided. The encoder comprises a first processing engine and a second processing engine. The first processing engine executes a first encoding stage of the frame coding and field coding processes. The second processing engine obtains a processed macroblock (MB)... Agent: Grossman, Tucker, Perreault & Pfleger, PLLC

20090122873 - Method and arrangement for personalized video encoding: A method for generating an encoded composed video stream (evideofinal), based on a common video stream (video0) and at least one input stream (input1, . . . , inputi, . . . , inputn) of personalized information includes a step of generating at least one intermediate stream (video1, . .... Agent: Fay Sharpe/lucent

20090122874 - Method and system for digital video broadcast for cable (dvb-c2): Methods and systems for DVB-C2 are disclosed and may include receiving data encoded utilizing variable encoding, variable modulation and outer codes via a physical layer matched to a desired quality of service. An error probability may be determined for said received data and retransmission of portions of said data with... Agent: Mcandrews Held & Malloy, Ltd

20090122872 - Method and system to improve the transport of compressed video data in real time: A variable bit rate (VBR) representation of an image sequence is segmented based on a plurality of time intervals. For each of at least two of the time intervals, the method comprises: determining which of the packets, denoted by Pp, in the VBR representation within the presently-considered time interval has... Agent: At & T Legal Department - Bhgl Attn: Patent Docketing Room 2a-207

20090122871 - Method of selecting a reference picture: In one embodiment, the method includes obtaining a reference picture list including multiple reference pictures, reordering a reference picture index allocated to each reference picture in the reference picture list, obtaining a field reference picture index associated with the current field macroblock, determining a frame reference picture index based on... Agent: Harness, Dickey & Pierce, P.L.C

20090122875 - Buffering of video stream data: Buffering of a video stream containing intra frames (I-frames) and inter frames (P-frames, B-frames) is disclosed. A buffer memory is segmented in two parts, a contiguous part for buffering of contiguous frames of the video stream (I-, P- and B-frames), and an intra part for the buffering of intra frames... Agent: Philips Intellectual Property & Standards

20090122876 - Process for controlling an audio/video digital decoder: In a process for controlling an audio/video digital decoder, a digital audio/video stream is acquired continuously, the video part of which is composed of an ordered sequence of images, a video decoding of all the images of the sequence is carried out and a video signal based on only part... Agent: Robert D. Shedd Thomson Licensing LLC

20090122877 - H.264/avc based approach to scalable video compression: A scalable video compression method and apparatus for encoding an input frame sequence having temporally sequential frames includes partitioning each of the frames of the input frame sequence into a top field and a bottom field to form a base layer sequence of fields and an enhancement layer sequence of... Agent: Haynes Beffel & Wolfeld LLP

20090122878 - Streaming methods and systems: Various embodiments provide methods and systems for streaming data that can facilitate streaming during bandwidth fluctuations in a manner that can enhance the user experience. In one aspect, a forward-shifting technique is utilized to buffer data that is to be streamed, e.g. an enhancement layer in a FGS stream. Various... Agent: Lee & Hayes, PLLC

20090122879 - Transient video anomaly analysis and reporting system: A system and method for detecting and analyzing transient video anomalies in AV broadcast networks includes AV signal monitors associated with each decoding device in the network for continuously monitoring AV signals received by their associated video decoding device for detecting signal anomalies which are outside predetermined signal parameter levels... Agent: Bainwood Huang & Associates LLC

20090122880 - Filter for bpl signal: A filter system for a broadband over power line system comprises a power line and a first line node and second line node of the broadband over power line system using the power line. The filter system also comprises a filter on the power line placed between the first and... Agent: Dickstein Shapiro LLP

20090122887 - Carrier allocation method in multi cell orthogonal frequency division multiple access system: Provided is a carrier allocation method in a multi cell OFDMA system capable of improving the system capacity and the bit error rate performance. The method includes a step (S103) where a user terminal U which has received broadcast information (S101) uses an empty carrier to transmit a known symbol... Agent: Dickinson Wright PLLC James E. Ledbetter, Esq.

20090122884 - Closed-loop transmission feedback in wireless communication systems: A method in an OFDM wireless user terminal that communicates with a base unit is disclosed. The method comprises computing a transmit spatial covariance matrix, transforming the spatial covariance matrix, and transmitting the transformed spatial covariance matrix to a base unit.... Agent: Motorola Inc

20090122881 - Follow-up synchronization to maintain synchronization throughout transmission: Method for an orthogonal frequency division multiplexing multipoint-to-point communications system are provided. In one embodiment, the method includes establishing communication between a first remote unit of a plurality of remote units and a host unit, the plurality of remote units communicatively coupled to the host unit in a multipoint-to-point configuration,... Agent: Fogg & Powers LLC

20090122883 - Follow-up synchronization to maintain synchronization throughout transmission: Method for an orthogonal frequency division multiplexing multipoint-to-point communications system are provided. In one embodiment, the method includes establishing communication between a first remote unit of a plurality of remote units and a host unit, the plurality of remote units communicatively coupled to the host unit in a multipoint-to-point configuration,... Agent: Fogg & Powers LLC

20090122885 - Low noise differential charge amplifier for measuring discrete charges in noisy and corrosive environments: A low noise differential charge amplifier circuit for measuring discrete (e.g., pico coulomb) charges in noisy, elevated temperature and corrosive environments. An input stage of a differential charge amplifier circuit includes a twisted and or untwisted two pair cable with a grounded shield. One twisted and or untwisted pair can... Agent: Honeywell International Inc.

20090122889 - Method and apparatus for decomposing channel in closed-loop multiple input multiple output communication system: An apparatus for decomposing a channel in a closed-loop Multiple Input Multiple Output (MIMO) communication system is provided. The channel decomposition apparatus includes a transmitter for preceding input symbols using a first matrix which is a product of a unitary matrix V, a diagonal matrix Φ and a blockwise Uniform... Agent: Docket Clerk

20090122882 - Method and apparatus for preamble training with shortened long training field in a multiple antenna communication system: Methods and apparatus are provided for communicating data in a multiple antenna communication system having N transmit antennas. According to one aspect of the invention, a disclosed header format includes a legacy preamble having at least one legacy long training field and an extended portion having at least N additional... Agent: Ryan, Mason & Lewis, LLP

20090122888 - Receiver: An exemplary aspect of an embodiment of the present invention is a receiver comprises a subcarrier unit combination section that performs weighting corresponding to quality of each subcarrier with respect to each subcarrier relating to a received symbol, a symbol unit combination section that performs common weighting based on quality... Agent: Young & Thompson

20090122886 - Transmitting/receiving system, transmitting apparatus, and pilot signal multiplexing method used in them: At a transmitting side (1), data sequence generating part (11) encodes transport information, and pilot sequence generating part (12) maps a pilot sequence that has a small ratio of peak to average power designated in advance. Data/pilot time multiplexing part (13) time-multiplexes this generated data sequence and pilot sequence for... Agent: Young & Thompson

20090122890 - Ofdm dcm demodulation method: An OFDM DCM demodulation method is provided. The OFDM DCM demodulation method mainly includes the following steps. First, calculate a log likelihood of a first demodulation mode. Then calculate a log likelihood of a second demodulation mode. Finally, calculate a demodulation output according to the log likelihoods of the first... Agent: J C Patents, Inc.

20090122891 - Control channel detection scheme: A method for detection of a control channel includes receiving data transmitted via the control channel. A control channel receive quality is estimated based on a metric difference between a metric of a known final trellis state and a minimum metric amongst the metrics of the trellis states based on... Agent: Thomas G. Eschweiler, Esq. Eschweiler & Associates, LLC

20090122892 - Digital broadcasting transmission/reception devices capable of improving a receiving performance and signal processing method thereof: Disclosed is a digital broadcasting transmission/reception system having an improved reception performance and in a signal-processing method thereof. A digital broadcasting transmitter comprises a TS stream generator for inputting robust and normal packets having stuff bytes in predetermined positions and generating dual TS stream by inserting the robust packets between... Agent: Stanzione & Kim, LLP

20090122893 - Digital broadcasting transmission/reception devices capable of improving a receiving performance and signal processing method thereof: Disclosed is a digital broadcasting transmission/reception system having an improved reception performance and in a signal-processing method thereof. A digital broadcasting transmitter comprises a TS stream generator for inputting robust and normal packets having stuff bytes in predetermined positions and generating dual TS stream by inserting the robust packets between... Agent: Stanzione & Kim, LLP

20090122894 - Digital broadcasting transmission/reception devices capable of improving a receiving performance and signal processing method thereof: Disclosed is a digital broadcasting transmission/reception system having an improved reception performance and in a signal-processing method thereof. A digital broadcasting transmitter comprises a TS stream generator for inputting robust and normal packets having stuff bytes in predetermined positions and generating dual TS stream by inserting the robust packets between... Agent: Stanzione & Kim, LLP

20090122895 - 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

20090122896 - 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

20090122902 - Channel estimation for wireless systems with multiple transit antennas: In various embodiments, techniques are provided to determine channel characteristics of various communication systems such as OFDM systems or systems using a plurality of transmit antennas by using various sets of training symbols.... Agent: Mr. S. H. Dworetsky At&t Corp.

20090122897 - Method and apparatus to improve performance in a multicarrier mimo channel using the hadamard transform: The Hadamard transform is used to spread data within data blocks in a multicarrier MIMO system, before transmission. In this manner, the negative effects caused by the clustering of bad subcarriers (i.e., subcarriers having a low transmission coefficient due to fading) may be reduced. In at least one embodiment, a... Agent: The Law Offices Of John C. Scott, LLC C/o Intellevele, LLC

20090122901 - Method for configurating basic signal allocation unit and method for transmitting signals using the same: A method for configurating a basic signal allocation unit and a method of transmitting signals using the configurated basic signal allocation unit are disclosed. In particular, a basic frequency domain signal allocation unit is configurated by considering at least one selected from the group consisting of a signaling overhead, a... Agent: Lee, Hong, Degerman, Kang & Waimey

20090122899 - Method, device, arrangement, transmitter unit and receiver unit for generating data characterising mimo environment: A method and arrangement for generating data for transmitter or receiver simulations where the generated data includes Multiple Input Multiple Output radio environment (MIMO) characteristics. The arrangement includes a model data (11), which is off-line loadable to transmitter baseband unit (12). The model data is transmitted over a MIMO environment... Agent: Young & Thompson

20090122898 - Multiple sub-carrier selection diversity architecture and method for wireles ofdm: Sub-carrier selection methods and receiver architectures for receiving an Orthogonal Frequency Division Multiplexing band sensed by a plurality of antennas (101-10N). Filtering is applied to separately pass portions of the predetermined Orthogonal Division Multiplexing frequency band. Each separate portion encompasses one or more sub-bands of the predetermined Orthogonal Division Multiplexing... Agent: Greer, Burns & Crain

20090122900 - Noise power interpolation in a multi-carrier system: A signal is received in a telecommunication network in the form of P signals received on P corresponding antennas, where P is greater than or equal to 1. The received signals correspond to a multi-carrier signal transmitted in the form of frames comprising symbols occupying corresponding positions distributed along a... Agent: Miller, Matthias & Hull

20090122904 - Apparatuses and method for multi-level communication: In one embodiment, the apparatus includes a driver circuit configured such that for each symbol in a set of possible symbols, the driver circuit generates at least one data signal at an associated voltage level. Here, adjacent voltage levels defme an associated voltage interval, and the driver circuit is configured... Agent: Harness, Dickey & Pierce, P.L.C

20090122903 - Data transmissiom system and data transmission method: The present invention maps coded bits that have been output from a low density parity check coder 11 onto specific bit positions on a 16 QAM constellation diagram in accordance with a column weighting of the coded bits.... Agent: Edwards Angell Palmer & Dodge LLP

20090122905 - Methods and apparatus for signaling on a differential link: Methods and apparatus are disclosed for transitioning a receiver from a first state to a second state using an in-band signal over a differential serial data link.... Agent: Hanley, Flight & Zimmerman, LLC

20090122908 - Digital broadcasting transmission/reception devices capable of improving a receiving performance and signal processing method thereof: Disclosed is a digital broadcasting transmission/reception system having an improved reception performance and in a signal-processing method thereof. A digital broadcasting transmitter comprises a TS stream generator for inputting robust and normal packets having stuff bytes in predetermined positions and generating dual TS stream by inserting the robust packets between... Agent: Stanzione & Kim, LLP

20090122907 - Log-antilog circuit and method for producing an up-converted and amplified transmission signal: According to one exemplary embodiment, a method for producing an up-converted and amplified transmission signal comprises performing a logarithmic transformation of an input transmission signal to form a logarithmically transformed transmission signal, adding the logarithmically transformed transmission signal to a logarithmic local oscillator signal to form a sum signal, and... Agent: Farjami & Farjami LLP

20090122906 - Method and apparatus for encoding a modulated signal in a communication system: Disclosed is a method and apparatus for encoding a modulated signal in a communication system. The method comprises generating an initial constellation, applying a vertical axis symmetry to the initial constellation to generate a first resulting constellation, translating the first resulting constellation to a left direction of the initial constellation... Agent: Motorola, Inc.

20090122909 - Radio frequency transmitter: The invention concerns a radio frequency transmitter (RFT) and a method of amplifying a radio frequency input signal (SIN) in the radio frequency transmitter (RFT). The radio frequency transmitter (RFT) comprises a digital signal generator (DSG) with a generation unit (GU) adapted to generate a pulsed bit stream signal and... Agent: Fay Sharpe/lucent

20090122910 - Sector-based base station: A sector-based base station includes at least one of a shared transmission RF local oscillator TX_LO, a shared receiving RF local oscillator RX_LO, a shared digital signal processing unit, and a shared transmission feedback unit. A technical solution of sharing an intermediate RF unit circuit in the sector-based base station... Agent: Leydig, Voit & Mayer, Ltd (for Huawei Technologies Co., Ltd)

20090122911 - System and method for corrected modulation with nonlinear power amplification: A system and method for modulating and amplifying an input signal are provided in a communication transmitter. The transmitter includes a pre-distortion lookup table containing pre-distortion lookup data. An auto-calibration module is in communication with the pre-distortion lookup table. The auto-calibration module is configured to operate during a closed-loop auto-calibration... Agent: Tyco Technology Resources

20090122912 - Method for transmitting and receiving quadrature-amplitude modulation signals, system for implementing thereof, machine-readable medium, and application of the method for synchronizing reception of amplitude modulation signals: The invention relates to signal transmitting engineering. The use of the inventive method in systems for transmitting and receiving quadrature amplitude-modulation signals (QAM) exhibiting a low carrier frequency synchronisation threshold makes it possible to decrease a demodulation threshold by means of said low carrier frequency synchronisation threshold. The result is... Agent: Houston Eliseeva

20090122913 - System and method for controlling modulation: A system and method for controlling modulation. The system includes a plurality of modulators and a transmitting unit. The plurality of modulators decodes data from a data signal and also encodes the data into a clock signal. The transmitting unit transmits the encoded clock signal. According to the system and... Agent: Schwegman, Lundberg & Woessner / Atmel

20090122914 - Digital broadcasting transmission/reception system having improved receiving performance and signal processing method thereof: A digital broadcasting transmission/reception system having improved receiving performance and signal processing method thereof. A digital broadcasting transmitter according to the present invention includes a data pre-processor which processed robust data and generates robust data packet of predetermined format, a TS stream generator which combines robust data packet with a... Agent: Stanzione & Kim, LLP

20090122916 - Digital broadcasting transmission/reception system having improved receiving performance and signal processing method thereof: A digital broadcasting transmission/reception system having improved receiving performance and signal processing method thereof. A digital broadcasting transmitter according to the present invention includes a data pre-processor which processed robust data and generates robust data packet of predetermined format, a TS stream generator which combines robust data packet with a... Agent: Stanzione & Kim, LLP

20090122917 - Digital broadcasting transmission/reception system having improved receiving performance and signal processing method thereof: A digital broadcasting transmission/reception system having improved receiving performance and signal processing method thereof. A digital broadcasting transmitter according to the present invention includes a data pre-processor which processed robust data and generates robust data packet of predetermined format, a TS stream generator which combines robust data packet with a... Agent: Stanzione & Kim, LLP

20090122915 - Digital broadcasting trasmission/reception system having improved receiving performance and signal processing method thereof: A digital broadcasting transmission/reception system having improved receiving performance and signal processing method thereof. A digital broadcasting transmitter according to the present invention includes a data pre-processor which processed robust data and generates robust data packet of predetermined format, a TS stream generator which combines robust data packet with a... Agent: Stanzione & Kim, LLP

20090122918 - Methods for compensating for i/q imbalance in ofdm systems: The present invention relates to methods for demodulating orthogonal frequency division multiplexing (OFDM) modulated signals. In particular, this invention relates to methods for in-phase (I) and quadrature phase (Q) imbalance compensation in OFDM systems. For example, the present invention relates to methods for calculating an IQ imbalance compensated signal from... Agent: Venture Pacific Law, PC

20090122919 - Receiver circuit, application of a first and a second proportional element of a digital pll structure, and method for receiving a frequency-shift keyed signal: A receiver circuit, application of a first proportional element and a second proportional element of a digital PLL structure, and method for receiving a frequency-shift keyed signal are provided. A phase signal is calculated from an in-phase signal and a quadrature signal. A feedback signal is subtracted from the phase... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20090122920 - Digital broadcasting transmission/reception devices capable of improving a receiving performance and signal processing method thereof: Disclosed is a digital broadcasting transmission/reception system having an improved reception performance and in a signal-processing method thereof. A digital broadcasting transmitter comprises a TS stream generator for inputting robust and normal packets having stuff bytes in predetermined positions and generating dual TS stream by inserting the robust packets between... Agent: Stanzione & Kim, LLP

20090122922 - Digital broadcasting transmission/reception devices capable of improving a receiving performance and signal processign method thereof: Disclosed is a digital broadcasting transmission/reception system having an improved reception performance and in a signal-processing method thereof. A digital broadcasting transmitter comprises a TS stream generator for inputting robust and normal packets having stuff bytes in predetermined positions and generating dual TS stream by inserting the robust packets between... Agent: Stanzione & Kim, LLP

20090122923 - Digital broadcasting transmission/reception devices capable of improving a receiving performance and signal processing method thereof: Disclosed is a digital broadcasting transmission/reception system having an improved reception performance and in a signal-processing method thereof. A digital broadcasting transmitter comprises a TS stream generator for inputting robust and normal packets having stuff bytes in predetermined positions and generating dual TS stream by inserting the robust packets between... Agent: Stanzione & Kim, LLP

20090122924 - Digital broadcasting transmission/reception system having improved receiving performance and signal processing method thereof: A digital broadcasting transmission/reception system having improved receiving performance and signal processing method thereof. A digital broadcasting transmitter according to the present invention includes a data pre-processor which processed robust data and generates robust data packet of predetermined format, a TS stream generator which combines robust data packet with a... Agent: Stanzione & Kim, LLP

20090122921 - Method and apparatus of decoding encoded data frame having dummy bit sequences included therein: A method of decoding an encoded data frame including dummy bit sequences each generated from encoding a predetermined bit pattern is provided. The method includes: determining a boundary of dummy bit sequences in the encoded data frame; and generating a decoded data frame according to a partial decoding result and... Agent: North America Intellectual Property Corporation

20090122925 - Viterbi slicer for turbo codes: A method for synchronizing receivers that receive turbo encoded signals to a received signal. Turbo encoding may enable signals to be decoded at a much lower signal to noise ratio than previously practical. A traditional method of synchronizing a receiver to an incoming signal is to use a slicer to... Agent: Garlick Harrison & Markison

20090122926 - Data throughput in an interference-rich wireless environment: Systems and methods for improving data throughput in an interference-rich wireless environment are described herein. Some illustrative embodiments include a method including receiving a modulated radio frequency (RF) signal including a message packet, identifying a preamble of the message packet generating a correlated preamble by combining the message packet preamble... Agent: Texas Instruments Incorporated

20090122927 - Receiver for wireless communication network with extended range: Techniques for detecting and demodulating a signal/transmission are described. Signal detection is performed in multiple stages using different types of signal processing, e.g., using time-domain correlation for a first stage, frequency-domain processing for a second stage, and time-domain processing for a third stage. For the first stage, products of symbols... Agent: Qualcomm Incorporated

20090122928 - Apparatus and method for frequency estimation in the presence of narrowband gaussian noise: A method of compensating for a frequency estimation bias due to sampled filtered noise of a channel filter, comprises: estimating autocorrelation functions for the impulse response of the channel filter over a range of frequencies; selecting one of the frequencies for use; estimating a noise spectral density of the sampled... Agent: Martin D. Moynihan D/b/a Prtsi, Inc.

20090122929 - Apparatus and method for cancelling interferences between orthogonal coded signals in mobile communication system: Apparatuses and methods for cancelling interferences between signals are provided. The apparatuses includes: a receiving unit that receives an orthogonal coded signal from a transmitter and generates a received vector; a channel estimation unit that estimates a state of a wireless channel from the transmitter to the apparatus where the... Agent: Harness, Dickey & Pierce, P.L.C

20090122931 - Adaptive digital filter, signal processing method, fm receiver, and program: An adaptive digital filter is provided with a filter unit for generating and supplying an output signal by means of a convolution operation of an input signal and a filter coefficient, or a filter unit for taking as input signal a complex signal in which one of two signals that... Agent: Foley And Lardner LLP Suite 500

20090122932 - Adaptive digital filter, signal processing method, fm receiver, and program: A complex signal in which one of two signals that are generated from one real signal and that have phases shifted from each other by 90° is a real part and the other signal is an imaginary part is applied as input to an input terminal. A filter unit generates... Agent: Foley And Lardner LLP Suite 500

20090122930 - Apparatus with a plurality of filters: An apparatus comprises a filter unit comprising a plurality of different filters each configured to filter a first signal when selected. The apparatus may further comprise a control unit configured to select one of the plurality of filters depending on a strength of the first signal. Related methods may also... Agent: Banner & Witcoff, Ltd. Attorneys For Client 007052

20090122933 - Information handling system including adaptive interference suppression feature and method of operation: An information handling system includes a wireless device and interference suppression apparatus that adapts to the different interference problems experienced by the wireless device when the system changes from one operating mode or state to another. The interference suppression apparatus includes a controller that instructs an adaptive filter with respect... Agent: Haynes And Boone, LLPIPSection

20090122934 - Timing measurement for checking probes: A system and a method for the transmission of signals representative of an event include a first low frequency clock (101) and a low frequency counter (102) for generating a first delay (TL), and a second high frequency clock (106) and a high frequency counter (104) for generating a second... Agent: Dickstein Shapiro LLP

20090122935 - False frequency lock detector: A system and method are provided for detecting a false clock frequency lock in a clock and data recovery (CDR) device. The method accepts a digital raw data signal at a first rate and counts edge transitions in the raw data signal, creating a raw count. A clock signal is... Agent: Gerald W. Mallszewski

20090122936 - Method and circuit for dynamically changing the frequency of clock signals: A method and circuit for dynamically changing the frequency of clock signals. The method including: detecting an edge of a first clock signal operating at a first frequency using a second clock signal operating at a second frequency; detecting an edge of the second clock signal using the first clock... Agent: Schmeiser, Olsen & Watts

20090122937 - Frequency calibration apparatus of frequency synthesizer and frequency calibration method thereof: A frequency calibration apparatus and method are provided. A frequency calibration method includes determining a frequency band according to results of frequency comparisons between a synchronized reference signal whose phase is synchronized to a phase of a prescale signal and a divided signal, and performing a Phase Locked Loop (PLL)... Agent: Mcneely Bodendorf LLP

20090122938 - Method and system for identifying sources of operating system jitter: A method for tuning performance of an operating system, the method comprising identifying all sources of operating system jitter; measuring the impact of each of the operating system jitter source; and tuning performance of the operating system, preferably by use of different approaches/techniques, which could include removing the sources of... Agent: Frederick W. Gibb, Iii Gibb Intellectual Property Law Firm, LLC

20090122939 - Wide range and dynamically reconfigurable clock data recovery architecture: Wide range and dynamically reprogrammable CDR architecture recovers an embedded clock signal from serial input data with a wide range of operating frequencies. In order to support a wide range of data rates, the CDR architecture includes multiple operating parameters. These parameters include various pre/post divider settings, charge pump currents,... Agent: Ropes & Gray LLP

20090116541 - Mitigating interference in a coded communication system: A technique weights noise power used in a demodulation/demapping process using on an estimate of interference and its associated power. Using this technique the effect of partial interference can be ameliorated. For example, a value, σ2, can be used to represent the estimated noise and interference power, and σ2 can... Agent: Perkins Coie LLP

20090116542 - Digital signal transmission method, transmitting apparatus, and receiving apparatus: In a digital signal transmission method according to the present invention, when N1 is the number of code multiplexes of a first transmit block including an information bit and part of a parity bit, and N2 is the number of code multiplexes of a subsequent transmit block including the remaining... Agent: Morgan Lewis & Bockius LLP

20090116544 - Performance-based link adaptation techniques using throughput indicator: A multiple carrier wireless communications system includes a channel predictor, a performance predictor, and a link adapter. The channel predictor predicts channel state information for a next packet based on channel state information for the current packet. The performance predictor includes an uncoded performance predictor to predict system performance at... Agent: Buchanan, Ingersoll & Rooney PC

20090116543 - Synchronization of satellite and terrestrial broadcast odfm signals: Synchronization of satellite and terrestrial broadcasts in a shared frequency arrangement is use in order to facilitate simultaneous reception of the broadcasts. A delay value is adjusted based on a synchronization between a first terrestrial broadcast and a satellite broadcast, and a delay value for a second terrestrial broadcast is... Agent: Qualcomm Incorporated

20090116545 - Adaptive frequency equalizer: An adaptive frequency equalization system providing an equalizer that has programmable taps that adjusts magnitude and phase of symbol information of a received signal and that provides equalized symbol information. The system includes a hard decision circuit that selects ideal symbol values using the equalized symbol information. A frequency response... Agent: Hunton & Williams LLP Intellectual Property Department

20090116547 - Devices for transmitting digital video and data over the same wires: A method of transmitting a data stream over a communication channel, the method comprising: providing symbol sets having different numbers of symbols; modulating data in the data stream that warrant different degrees of protection against noise onto symbols from symbol sets having different numbers of symbols, wherein which symbol set... Agent: Active Knowledge Ltd.

20090116548 - Methods for transmitting digital multimedia and data over the same wires: A method of transmitting a data stream over a communication channel, the method comprising: providing symbol sets having different numbers of symbols; modulating data in the data stream that warrant different degrees of protection against noise onto symbols from symbol sets having different numbers of symbols, wherein which symbol set... Agent: Active Knowledge Ltd.

20090116546 - Transcoding apparatus and method between two codecs each including a deblocking filter: Disclosed are a transcoding apparatus and method between two codecs each including a deblocking filter. The transcoding method between first and second codecs each including a deblocking filter, may include decoding input data encoded according to the first codec, according to the first codec so as to generate decoded data;... Agent: Occhiuti Rohlicek & Tsao, LLP

20090116549 - Methods for selecting a prediction mode: A method of selecting a number of candidate prediction modes for a block in a video sequence, the method comprising calculating a cost value of each of prediction modes for each of a predetermined number of blocks, identifying one of the prediction modes having the smallest cost value for the... Agent: Alston & Bird LLP

20090116551 - Data streaming system and method: A data streaming system and method typically use a server arranged to stream one of a plurality of encoded data streams to a client. Each of the plurality of data streams may be an independent representation of a common data source encoded at a different resolution to the other of... Agent: Nixon & Vanderhye, PC

20090116550 - Video compression system, method and computer program product using entropy prediction values: A method, apparatus and computer program product is configured to perform entropy coding of quantized transform coefficients when for some reason no pixels are available for prediction. Different variable length code tables are used for when pixel value predictions are available, or not. If not available, a fixed value is... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090116552 - Video compression system: A video compression system is disclosed that is optimized to take advantage of the types of redundancies typically occurring on computer screens and the types of video loss acceptable to real time interactive computer users. It automatically adapts to a wide variety of changing network bandwidth conditions and can accommodate... Agent: Davidson Berquist Jackson & Gowdey LLP

20090116556 - Digital image decoding apparatus and digital image decoding method: A digital image decoding apparatus which decodes coded data using plurality of motion vectors in each block obtained by dividing an image in frame into a plurality of blocks. The digital image decoding apparatus comprises an error detection unit which detects an error of the block, a decoder which decodes... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090116554 - High-performance video transcoding method: Disclosed is an apparatus (500) for generating a second compressed video stream (550) having a second resolution, from a first compressed video stream (540) having a first resolution. The apparatus comprises means (513) for extracting transform domain luma data and spatial domain chroma data from the first compressed video stream... Agent: Fitzpatrick Cella Harper & Scinto

20090116555 - Image encoding apparatus, method of controlling the same, and computer program: An image encoding apparatus which encodes picture data is provided. The apparatus comprises an encoding unit configured to encode a picture to be encoded; a decoding unit configured to decode the encoded picture; an SN ratio calculation unit configured to calculate an SN ratio using the picture to be encoded... Agent: Cowan Liebowitz & Latman P.C. John J Torrente

20090116553 - Method of processing a current field macroblock: In one embodiment, the method includes obtaining a reference picture list including multiple reference pictures, obtaining motion vector information for the current field macroblock, and obtaining a field reference picture index associated with the current field macroblock. A frame reference picture index is determined based on the field reference picture... Agent: Harness, Dickey & Pierce, P.L.C

20090116558 - Motion skip and single-loop encoding for multi-view video content: A system, method and computer program tangibly embodied in a memory medium for implementing motion skip and single-loop decoding for multi-view video coding. In various embodiments, a more efficient motion skip is used for the current JMVM arrangement by 8×8 or 4×4 pel disparity motion vector accuracy, while maintaining the... Agent: Harrington & Smith, PC

20090116557 - Temporal motion vector filtering: Methods and apparatus, including computer program products, implementing and using techniques for performing temporal motion vector filtering in digital video are disclosed. A recursive hierarchical process is used to determine a motion vector. In the recursive hierarchical process, a neighborhood of old motion vectors is filtered to generate a first... Agent: Beyer Law Group LLP

20090116559 - Method of selecting a reference picture: In one embodiment, the method includes determining reference picture index numbers in a reference picture list. The reference picture index numbers increase for reference pictures having a decreasing display order with respect to a picture including the macroblock, and the reference picture index numbers increase for reference pictures having an... Agent: Harness, Dickey & Pierce, P.L.C

20090116560 - Method of selecting a reference picture: In one embodiment, the method includes obtaining a reference picture list including multiple reference pictures, and reordering a reference picture index allocated to each reference picture in the reference picture list. A field reference picture index associated with the current field macroblock is obtained, and a frame reference picture index... Agent: Harness, Dickey & Pierce, P.L.C

20090116561 - Digital broadcasting transmission system, and a signal processing method thereof: A digital broadcasting transmission system, and a signal processing method thereof, includes a parity area generating unit preparing a first area for parity insertion with respect to a dual transport stream (TS) which includes a normal stream and a turbo stream as multiplexed, a first interleaver interleaving the dual TS... Agent: Stein, Mcewen & Bui, LLP

20090116563 - Mixed video delivering apparatus and method, and computer storage medium: There is provided with a mixed video delivering apparatus, including: a video receiving unit receiving first to Nth encoded video data from first to Nth terminals; a decoding unit decoding the first to Nth encoded video data; a video mixing unit mixing first to Nth decoded video data to obtain... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090116562 - Systems and methods for signaling and performing temporal level switching in scalable video coding: Media communication systems and methods for media encoded using scalable coding with temporal scalability are provided. Transmitting endpoints include switching information in their transmitted media to indicate if temporal level switching at a decoder can occur at any frame of the transmitted encoded media.... Agent: Baker Botts L.L.P.

20090116564 - Low voltage differential signaling transmitter and transmitting method: A low voltage differential signaling (LVDS) transmitter receives a data signal, a data invert signal and a plurality of logic signals. The LVDS transmitter includes a first-stage differential signaling transmitting circuit and a second-stage differential signaling transmitting circuit. The first-stage differential signaling transmitting circuit receives the data signal and the... Agent: Jianq Chyun Intellectual Property Office

20090116569 - Bi-directional beamforming multiple-input multiple-output wireless communication: Techniques are provided herein to configure first and second wireless communication devices in order to perform bi-directional beamformed multiple-input multiple-output (MIMO) communication. Each device uses received signals from the other device to compute beamforming weight vectors for application to a plurality of signal streams to be simultaneously beamformed transmitted to... Agent: Edell, Shapiro & Finnan, LLC

20090116567 - Channel estimation method and apparatus for long range signals in bluetooth: The present invention discloses a channel estimation method for Bluetooth signals through a multipath propagation channel, using a SYNC sequence as a preamble sequence. It mainly comprises the steps of: use of SYNC sequence as input to LS-based channel impulse response estimation, precomputation of local frequency domain preamble, precomputation of... Agent: Birch Stewart Kolasch & Birch

20090116566 - Delta writing scheme for mimo signal paths: Techniques for writing to registers associated with MIMO signal paths are disclosed. In are embodiment, a controller writes a common value to all registers corresponding to the same operational parameter or parameters, for all signal paths in the MIMO transmitter or receiver. The controller then updates the register in any... Agent: Qualcomm Incorporated

20090116570 - Method and apparatus for generating channel quality indicator, precoding matrix indicator and rank information: A method and apparatus for generating channel quality indicator (CQI), precoding matrix indicator (PMI) and rank information are disclosed. The method and apparatus reduces feedback overhead and defines differential CQI information in an orthogonal frequency division multiplex (OFDM) symbol.... Agent: Volpe And Koenig, P.C. Dept. Icc

20090116568 - Method and apparatus for interference rejection combining and detection: A multi-branch OFDM receiver combines diversity signals received over different receiver branches using interference rejection combining. The receiver generates first channel estimates associated with a serving base station, second channel estimates associated with at least one non-serving base station, and a time offset between the serving base station and non-serving... Agent: Coats & Bennett, PLLC

20090116565 - Method for selecting beams during initial synchronization process using switched beam, switched beam operation method and initial sychronization using the same: A method for selecting beams, a switched beam operation method during an initial synchronization process, and an initial synchronization method using it are provided for selecting beams to minimize the probability of occurrence of interferences between cells by considering a distance between beams within neighboring sectors during an initial synchronization... Agent: Cantor Colburn, LLP

20090116571 - Transmitter, receiver, and communication method: A transmitter, a receiver and a communication method enabling improvement of the data rate of an MIMO system. One signal x2 out of the three signals is combined with the other two signals x1, x3 respectively to generate two combined signals x1+x2, x2+x3. The combined signals are transmitted through transmission... Agent: Dickinson Wright PLLC James E. Ledbetter, Esq.

20090116572 - Communication apparatus and communication method: A communication apparatus in which only a terminal having a specific positional relationship can perform communication through a relatively simple arrangement. When initial setting is performed or communication is started, a timing calculating section (104) calculates a time difference corresponding to the difference between a path from an antenna (101)... Agent: Greenblum & Bernstein, P.L.C

20090116573 - Frequency diverse control mapping of channel elements to resource elements: Aspects relate to a flexible interleaving scheme that provides frequency diversity to randomizes interference Frequency diversity groups can be utilized, wherein control channel elements (CCEs) gain greater frequency diversity for a given number of mini-CCEs (e.g., subset of CCEs). A frequency diversity group index is permuted according to a bit... Agent: Qualcomm Incorporated

20090116577 - Method and system for multiple input and multiple output channel estimation: The invention relates to a method and system for multiple input and multiple output channel estimation, which can be used to generate and correlate sets of complementary sequences of length N, having a number of elements K greater than or equal to two. According to the invention, a block is... Agent: Nixon Peabody LLP

20090116575 - Method of a receiver estimating a plurality of channels: A method and apparatus of a receiver estimating a plurality of channels is disclosed. The method includes the receiver receiving a composite signal. The composite signal includes a signal from each of a plurality of transmission antennas, wherein the signal of each transmission antenna includes a delay relative to other... Agent: Beceem Communications, Inc.

20090116574 - Methods and apparatus for receive power unification for mimo and non-mimo signaling: A method for receive power unification for multiple-input and multiple-output (MIMO) and non-MIMO signaling is described. A data stream may be separated into multiple individual data streams for transmission by multiple transmit antennas. Orthogonal frequency division multiplexing (OFDM) may be applied to the individual data streams to obtain one or... Agent: Qualcomm Incorporated

20090116576 - Reduced complexity multicarrier precoder: A reduced complexity precoder provides an efficient method and structure to precode a vector-signal-point sequence for transmission through a band-limited channel. The precoder enables a block-oriented receiver to recover an underlying data stream in the presence of inter-symbol interference and noise. The precoder structure is applicable to multicarrier systems such... Agent: Rpx Corporation

20090116578 - Distortion compensation in a communication system: In one embodiment of the invention, a modulator mixes a transmit-path signal based on a local oscillator (LO) signal and an amplifier amplifies the mixed transmit-path signal to generate an output signal for transmission. A demodulator generates a receive-path signal based on the output signal and the LO signal. Phase-shift... Agent: Texas Instruments Incorporated

20090116580 - Digital broadcasting transmission capable of improving receivng and equalizing performance and signal processing method thereof: A digital broadcast transmitting system and a signal processing method thereof that improves the receiving performance of the system. A digital broadcast transmitter includes a randomizer to receive and randomize a transport stream into a specified position of which stuff bytes are inserted, a replacement sequence generator to generate known... Agent: Stein, Mcewen & Bui, LLP

20090116579 - Interprocessor communication link for a load control system: The present invention provides a reliable communication protocol that provides multicasting of digital messages on an interprocessor link coupling together a plurality of processors of a load control system. Preferably, the load control system includes a plurality of sub-systems, with a number of the processors in each sub-system. The processors... Agent: Ostrolenk Faber Gerb & Soffen

20090116583 - Hdmi communication over twisted pairs: A method of transmitting a data stream over a communication channel, the method comprising: providing symbol sets having different numbers of symbols; modulating data in the data stream that warrant different degrees of protection against noise onto symbols from symbol sets having different numbers of symbols, wherein which symbol set... Agent: Active Knowledge Ltd.

20090116582 - Interpolation method and apparatus for increasing efficiency of crosstalk estimation: Techniques are disclosed that efficiently obtain channel crosstalk estimates in DSL systems and other communication systems that may include unsynchronized channels. For example, a method includes obtaining a first set of estimated measures of crosstalk for a first portion of a plurality of communication channels over which data signals are... Agent: Ryan, Mason & Lewis, LLP

20090116581 - Pre-coding apparatus on account of adaptive estimation: A pre-coding process and apparatus on account of adaptive estimation is provided, which comprises a plurality of channel state information detectors, a reduction sampler, a plurality of adaptive estimators, an error-estimation averager, and a parallel/serial transducer. The pre-coding implementation of the present apparatus can be divided in an initial stage... Agent: Sinorica, LLC

20090116585 - Analog front-end having built-in equalization and applications thereof: An analog front-end having built-in equalization includes a control module and a tunable gain stage. The control module is operably coupled to provide a frequency response setting based on a channel response of a channel providing high-speed serial data to the analog front-end. The tunable gain stage includes a frequency... Agent: Xilinx, Inc Attn: Legal Department

20090116584 - System and method for receiving user-specific information over digital radio: A system and method for permitting users to receive desired/user-specific data or information, e.g., electronic mail or other user-subscribed services, e.g., for textual information, over the airwaves via a receiver, e.g., a digital receiver In one embodiment, an authorization process is provided wherein the receiver includes a hard-coded user ID... Agent: Robert D. Shedd Thomson Licensing LLC

20090116586 - Direct conversion receiver and method for correcting phase imbalance therein: A direct conversion receiver and a method for correcting phase imbalance therein is disclosed. An input signal is applied to an in-phase channel and a quadrature channel of the receiver. The input signal is processed by the direct conversion receiver to obtain an in-phase zero intermediate frequency (IF) signal in... Agent: Grossman, Tucker, Perreault & Pfleger, PLLC C/o Cpa Global

20090116587 - Method, system and apparatus for generating constant amplitude zero autocorrelation sequences: A method, system and apparatus for generating a constant amplitude zero autocorrelation (CAZAC) sequence to be transmitted on a wireless communication channel between a user equipment and a base station within a cellular communication network includes iteratively calculating elements of the CAZAC sequence according to a CAZAC sequence formula until... Agent: Texas Instruments Incorporated

20090116588 - Wireless communications apparatus: A lattice reduction device is described for determining a reduced lattice for a MIMO decoder. The device comprises a data processing element operable to receive matrix information and to apply one or more data processing operations on the matrix information. The device further comprises first and second parallel operation means... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090116590 - Apparatus and method for detecting signal in multi-antenna system: A method and an apparatus for detecting a signal in a multi-antenna system using a spatial multiplexing are provided. The apparatus includes at least one antenna for receiving a signal, a channel estimator for estimating a channel using the received signal, a detector for calculating multiplication values commonly used to... Agent: JeffersonIPLaw, LLP

20090116589 - Performance-based link adaptation techniques: A multiple carrier wireless communications system includes a channel predictor, a performance predictor, and a link adapter. The channel predictor is configured to predict channel state information for a next packet based on channel state information for the current packet. The performance predictor includes an uncoded performance predictor configured to... Agent: Buchanan, Ingersoll & Rooney PC

20090116591 - Spectral decomposition of large signals in a narrow-range sampling system: A sampling method that determines the deterministic and random components of a signal when the magnitude of the signal exceeds the range of the sampler.... Agent: Agilent Technologies Inc.

20090116593 - Circuit for providing automatic adaptation to frequency offsets in high speed serial links: Aspects of providing automatic adaptation to frequency offsets in high speed serial links are described. First signals for phase adjusts in a receiver link are adjusted by detecting trends in the first signals to generate second signals, the second signals improving a rate of compensation for the frequency offsets by... Agent: Ibm Rp-rps Sawyer Law Group LLP

20090116592 - Receiver and channel estimation method: A receiver 100 includes: a fast Fourier transform section (FFT unit) 101 for subjecting a multicarrier symbol modulated by a known code to fast Fourier transform so as to calculate first frequency information on each subcarrier; a division section for complex dividing the first frequency information with the known code... Agent: Birch Stewart Kolasch & Birch

20090116594 - Radio receiver: A radio receiver including a reception processing system that uses a discrete-time frequency conversion to acquire a signal having a sampling rate corresponding to a local frequency, wherein the reception characteristic is improved when the reception processing system is applied to a system having a wide reception channel band. The... Agent: Dickinson Wright PLLC James E. Ledbetter, Esq.

20090116595 - System and methods for determining masking signals for applying empirical mode decomposition (emd) and for demodulating intrinsic mode functions obtained from application of emd: A computer-implemented method of signal processing is provided. The method includes generating one or more masking signals based upon a computed Fourier transform of a received signal. The method further includes determining one or more intrinsic mode functions (IMFs) of the received signal by performing a masking-signal-based empirical mode decomposition... Agent: Akerman Senterfitt

20090116597 - variability-aware asynchronous scheme for high-performance communication between an asynchronous circuit and a synchronous circuit: A system for automatically transforming a given synchronous circuit description into an equivalent and provably correct desynchronized circuit description. Included in the automated transformation are techniques for synthesizing a variability-aware controller using a two-phase protocol, techniques for synthesizing a variability-aware controller using gated clocks and testability circuits, techniques for synthesizing... Agent: Stattler-suh PC

20090116596 - Low power, high speed receiver circuit for use in a semiconductor integrated circuit: A receiver circuit according to the invention includes a first phase transmission unit that is synchronized with a first clock, detects input data according to a plurality of detection levels, and transmits a first output signal, a first discharging control unit that controls a second phase transmission unit in response... Agent: Baker & Mckenzie LLP Patent Department

20090116598 - Semiconductor memory device having data clock training circuit: A data clock frequency divider circuit includes a training decoder and a frequency divider. The training decoder outputs a clock alignment training signal, which is indicative of the start of a clock alignment training, in response to a command and an address of a mode register set. The frequency divider,... Agent: Blakely Sokoloff Taylor & Zafman LLP

20090116599 - Techniques for signaling reference signal parameters in a wireless communication system: A technique for operating a wireless communication device includes assigning a reference signal bandwidth to a reference signal. Cyclic shift control bits (associated with the reference signal) are then allocated based on the assigned reference signal bandwidth. The allocated cyclic shift control bits specify a cyclic shift associated with the... Agent: Dillon & Yudell LLP

20090116601 - Clock data recovery circuit and method for operating the same: A clock data recovery (CDR) circuit occupies a small area required in a high-integration semiconductor device, electronic device and system and is easy in design modification. The CDR circuit includes a digital filter configured to filter phase comparison result signals received during predetermined periods and output control signals, a driver... Agent: Blakely Sokoloff Taylor & Zafman LLP

20090116600 - Phase drift compensation for sampled signals: Methods for processing a signal of interest in an electrical power system are provided, as well as systems and computer program products for carrying out the methods. The methods include obtaining a representative window of data points from the signal of interest; obtaining a window of interest containing data points... Agent: Trego, Hines & Ladenheim, PLLC

20090116602 - High speed, wide frequency-range, digital phase mixer and methods of operation: The present disclosure is directed to a unit phase mixer in combination with an input buffer. The unit phase mixer has a pull-up path for pulling an output terminal up to a first voltage. The pull-up path has a first transistor responsive to a first enable signal and a series... Agent: Jones Day

20090116603 - Usb frequency synchronizing apparatus and method of synchronizing frequencies: A universal series bus (USB) frequency synchronous apparatus using a start of frame (SOF) signal generated by a master device to mark a reference interval is disclosed. The frequency synchronizing apparatus includes a frequency divider, a counter unit with a default pulse number, an arithmetic unit, and an adjusting unit.... Agent: Rosenberg, Klein & Lee