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Pulse or digital communications December patent applications/inventions, industry category 12/09

20090323766 - Method and device of peak detection in preamble synchronization for direct sequence spread spectrum communication: A spread-spectrum preamble synchronization peak detection system performs multiple statistical tests based on instant and time-averaged channel condition measurements to identify the synchronization peak. In a normalized peak-to-average test, a peak-to-average ratio measurement is normalized by a signal-to-noise ratio measurement to form a new statistical measure which effectively eliminates the... Agent: Brosemer, Kolefas & Associates, LLC - (boeing)

20090323767 - Radio frequency distribution with spreading: A system for distributing a radio frequency (RF) signal using a data cable system includes a method and apparatus with components that receive the RF signal, determine the passband of the data cable system, spread the RF signal within the passband as a spread signal, insert the spread signal into... Agent: Muirhead And Saturnelli, LLC

20090323769 - Segment-wise channel equalization based data estimation: Data is estimated of a plurality of received spread spectrum signals by a wireless communication apparatus. The plurality of received communications are received in a shared spectrum. The received communications are sampled to produce a received vector of sequential samples. The received vector is processed to produce a plurality of... Agent: Volpe And Koenig, P.C. Dept. Icc

20090323768 - Spread spectrum clock signal generator: A spread spectrum clock signal generator for spreading an input clock signal into an output clock signal includes a clock signal delay chain for delaying the input clock signal into a delay clock signal group having a plurality of delay clock signals, a modulation controller for outputting a counter clock... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090323770 - Techniques using a hop-by-hop approach for automatic repeat request (arq) in wireless relay networks: An embodiment of the present invention provides an apparatus, comprising a transceiver adapted for use in a hop by hop (HbH) relay network and configured to enable fast error correction and reduce ARQ overhead by coupling HARQ and ARQ feedback signaling in each hop of the HbH relay network.... Agent: Intel Corporation C/o Cpa Global

20090323771 - Interactive wireless communication device: One communication apparatus 2 sequentially generates a pulse sequence having pulse signals arranged based on the UWB communication system, performs a framing process to form a frame having at least a preamble and a data portion on the generated pulse sequence and inserts a preamble segment comprised of a sequence... Agent: Jacobson Holman PLLC

20090323773 - Method and apparatus for signaling precoding vectors: Methods for signaling precoding matrices used at the Node-B for data transmission with multiple user-multiple in multiple out (MU-MIMO) wireless communications. Precoding vectors may be efficiently signaled between wireless transmit/receive units and base stations using control channels, reference signals and blind detection of the precoding information.... Agent: Volpe And Koenig, P.C. Dept. Icc

20090323772 - Wireless communication system: In a wireless communication system, a portable device and an in-vehicle device wirelessly communicate with each other by a spread spectrum method. The in-vehicle device transmits a synchronization signal indicative of a reference period to the portable device. The in-vehicle device performs code acquisition for only a portion of a... Agent: Nixon & Vanderhye, PC

20090323774 - Data equalisation in a communication receiver with transmit and receive diversity: A method of performing data equalization in a communication receiver with transmit and receive diversity includes (a) for each i-th receiver antenna and j-th transmitter antenna, calculating a channel response matrix Hi,j from multi-path channel estimates, (b) each i-th receiver antenna, calculating a channel gain matrix Gi from the channel... Agent: Young & Thompson

20090323775 - Transmit processing using receiver functions: A method and apparatus for transmitting data in code division multiple access communications. The method includes processing spread first data with a channel response matrix using an equalization circuit to pre-equalize the spread data to compensate for a channel response prior to transmission. The pre-equalized data is received and recovered... Agent: Volpe And Koenig, P.C. Dept. Icc

20090323776 - Communication system, apparatus, and methods: A system, method and apparatus for wireless communications are provided. In an exemplary embodiment, frequency components present in a short duration modulated complex pulse is used to represent data to be sent. In other embodiments, the complex pulse is created, modulated, then modified to have desirable frequency characteristics. This Abstract... Agent: Foley & Lardner LLP

20090323780 - Method and apparatus for mitigating the effects of cw interference via post correlation processing in a gps receiver: A positioning system receiver that mitigates the effect of continuous wave (CW) carrier interference with post correlation processing in a satellite positioning receiver, while not distorting the signal waveform or degrading receiver sensitivity and performing in low signal and dynamic interference environments.... Agent: The Eclipse Group LLP

20090323779 - Method and apparatus for mitigating the effects of narrowband interfering signals in a gps receiver: A positioning system receiver that mitigates narrowband interference by dynamically choosing the mitigation technique that yields the best interference mitigation capability with the least signal degradation to maximize receiver performance parameters such as receiver sensitivity, multipath resolution, and low power.... Agent: The Eclipse Group LLP

20090323777 - Methods and apparatus for sharing signal correlation data in a receiver: Methods and apparatus are disclosed for suppressing both own-cell and other-cell interference in the processing of multiple signals of interest in a received composite signal. In an exemplary embodiment of the methods disclosed herein, combining weights for each of a first plurality of signals of interest in a composite information... Agent: Coats & Bennett, PLLC

20090323778 - Multimode receiver architecture: A radio receiver comprising a compensator arranged to compensate for intersymbol interference in a signal received at the receiver and a configurator arranged to configure the compensator, wherein the compensator comprises a programmable filter and the configurator is capable of configuring the filter in a first mode to operate as... Agent: Blank Rome LLP

20090323781 - Method and equipment for transmitting a signal by filtering in a mirror band: The invention relates in particular to a method for transmitting an analogue signal in a predetermined frequency band on the basis of an initial digital signal sampled at a sampling frequency, said method comprising in particular a step of modifying the initial analogue signal so as to generate a modified... Agent: Arent Fox LLP

20090323783 - Calibration techniques for mimo wireless communication systems: A method, apparatus and system for performing over-the-air calibration routines in a multiple-input multiple-output (MIMO) communication system. An antenna array of a transceiver (e.g., transceiver of a base station) comprises a re-configurable antenna having two switchable configuration states. The antenna exhibits different degrees of electromagnetic coupling to other antennas of... Agent: Motorola, Inc.

20090323785 - Data communication apparatus, data communication system, and data communication method: An object of the present invention is to provide a data communication technique which can reduce a size of a system by enabling bidirectional data communication, and enables a cheap system configuration. A data communication apparatus is provided, the data communication apparatus including a signal terminal (IN) for inputting receiving... Agent: Fitzpatrick Cella Harper & Scinto

20090323782 - Non-federated multi-function ka-band exciter system and method: Provided is a non-federated multi-function exciter. The non-federated multi-function exciter includes a waveform generator subsystem operable to provide waveforms programmable in time, duration, slope and frequency. A transmission subsystem is coupled to the waveform generator, the transmission subsystem having a first upconverter and a second upconverter coupled to the first... Agent: Polsinelli Shughart PC

20090323784 - Software-defined radio platform based upon graphics processing unit: Described is using a graphic processing unit (GPU) as a programming platform to implement radio communication technologies. A software defined radio platform is implemented via a graphics processing unit (GPU). The GPU includes modules, corresponding to kernels, that process an incoming bitstream (e.g., from a CPU) into baseband signals for... Agent: Microsoft Corporation

20090323786 - Method and apparatus for identifying and selecting proper cable connections: In accordance with an exemplary embodiment, a system comprises a first electrical component, a second electrical component, and at least two cables connecting the first and second electrical components. Time varying signals are transmitted through the cables with at least one of the cables carrying an injected DC signal. The... Agent: Snell & Wilmer L.l.p (usm/viasat)

20090323787 - Method, device, and system for channel estimation: A method for channel estimation includes: loading a combination of signals sent on other lines over a line of a channel; measuring a signal-to-noise ratio (SNR) of the loaded line; and calculating crosstalk channels of the loaded line according to a coefficient of the combination of signals sent on other... Agent: Futurewei Technologies, Inc.

20090323788 - Splitterless multicarrier modem: A modem for use in Digital Subscriber Line communications transmits and receives data over the local subscriber loop in common with voice information over the loop, while avoiding the need for voice/data splitters. The modem responds to disruptions associated with “disturbance events” such as on-hook to off-hook transitions and the... Agent: Schwabe, Williamson & Wyatt, P.C.

20090323790 - Doppler frequency estimation and adaptation for mediaflo systems: A technique for Doppler frequency estimation and adaptation in a MediaFLO™ (Forward Link Only) receiver system includes receiving Orthogonal Frequency Division Multiplexing (OFDM) symbols in the receiver, dividing a Doppler frequency range into N ranges corresponding to N interpolation filters; determining a correlation between two OFDM symbols separated by time;... Agent: Rahman LLC

20090323789 - Doppler frequency estimation in wireless communication systems: An apparatus and method for estimating Doppler frequency in a wireless communication network, wherein the method comprises determining a first correlation coefficient (c1) between a currently received Orthogonal Frequency Division Multiplexed (OFDM) symbol and an OFDM symbol received previous to the currently received OFDM symbol, and a second correlation coefficient... Agent: Rahman LLC

20090323792 - Method and apparatus for designing modulation and coding set of communication system: The present invention provides method and apparatus for designing modulation and coding set of communication System. The method for designing modulation and coding set designs a proper set of modulation and coding schemes (MCS), based on probability distribution of the quality of received signal in the communication system, so as... Agent: Hanify & King Professional Corporation

20090323791 - Signal evaluation and adjustment: A method of assessing a received signal acquired through a physical channel and comprising a pilot channel, the method comprising estimating from an oversampled version of the received signal an oversampled response for the physical channel and quantifying noise in the received signal using the oversampled received signal and the... Agent: Edell, Shapiro & Finnan, LLC

20090323793 - Estimation and correction of integral carrier frequency offset: Systems, methods, and devices are described for estimating and correcting an integral carrier frequency offset. A wireless signal is received, the signal including a reference symbol. A first set of difference measurements between pairs of a series of subcarriers of the received wireless signal may be calculated. A second set... Agent: Townsend And Townsend And Crew, LLP

20090323795 - Equalizing structure and equalizing method: An equalizing structure and method for a wireless communication system receiving device, in which two or more transmit signals transmitted in parallel from one or more transmitters are received in received signal vectors representing two or more received data streams, the signals including information modulated onto carrier signals according to... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090323796 - Radio communication method and device in single-carrier transmission system: A radio communication device for receiving a single-carrier signal transmitted in a partial spectrum of Nyquist frequency band, includes: an interference eliminator for eliminating interference from a received signal by spectrum reproduction of non-transmitted spectra using a symbol replica, to output an interference eliminated signal, wherein the interference includes intersymbol... Agent: Mcginn Intellectual Property Law Group, PLLC

20090323794 - Transmitter equalization method and system: A method is provided to determine transmitter equalization coefficients and a number of transmitter equalization taps. The method may include transmitting a first signal pattern at a first frequency across a channel to a receiver and determining a first eye height of the received clock signal pattern at the receiver.... Agent: Ked & Associates, LLP Intel Corporation

20090323797 - Finite-length equalization over multi-input multi-output channels: A MIMO Decision Feedback Equalizer improves operation of a receiver by canceling the spatio-temporal interference effects caused by the MIMO channel memory with a set of FIR filters in both the feed-forward and the feedback MIMO filters. The coefficients of these FIR filters can be fashioned to provide a variety... Agent: At & T- Legal Department - Brendzel

20090323802 - Compact camera-mountable video encoder, studio rack-mountable video encoder, configuration device, and broadcasting network utilizing the same: A turn-key solution is provided for the live Internet audio/video broadcasting and the transferring of previously recorded material. A system shares audio/video data over a network by utilizing a compact, camera-mountable video/audio encoder and a connection module mounted to a video camera. The video/audio encoder includes a connection interface for... Agent: Christie, Parker & Hale, LLP

20090323801 - Image coding method in thin client system and computer readable medium: A GUI operation screen emulation device generates screen data for displaying a screen based on operation information given from thin client terminal. An H.264 coding software/device, whenever receiving each frame of the screen data, stores the frame in a short-term reference frame field of a DPB, and, when the activation... Agent: Staas & Halsey LLP

20090323798 - Method and system for low-complexity slepian-wolf rate estimation in wyner-ziv video encoding: A method and system for low-complexity Slepian-Wolf rate estimator in a hybrid Wyner-Ziv video encoder determines the minimum Slepian-Wolf code rate required to allow correct decoding. The Slepian-Wolf estimator does not assume ideality of source and side-information statistics and does not require the presence of a feedback channel from the... Agent: Whitham, Curtis & Christofferson, P.C.

20090323800 - Multimedia codec device and method thereof: A multimedia codec device includes a codec bridge, a source filter, a transformation filter and a rendering filter. The codec bridge is a plug-in of a first multimedia interface. The source filter, the transformation filter and the rendering filter are disposed in a second multimedia interface. The codec bridge sends... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20090323799 - System and method for rendering a high-performance virtual desktop using compression technology: An embodiment of a network of extendable computer resources creates a virtual computing environment for a remote client. The network allocates at least some of the extendable computer resources to the virtual computing environment and compressively represents video output information of the virtual computing environment as an encoded data stream.... Agent: Stmicroelectronics, Inc.

20090323803 - Methods and apparatus for enhanced performance in a multi-pass video recorder: There are provided methods and apparatus for enhanced performance in a multi-pass video encoder. An apparatus includes a video encoder for encoding a video bitstream. The apparatus further includes a video quality analyzer, in signal communication with the encoder, for performing a video quality analysis of the video bitstream for... Agent: Robert D. Shedd, Patent Operations Thomson Licensing LLC

20090323804 - Syntax elements to svc to support color bit depth scalability: This invention presents a scalable solution to encode the whole 12-bit raw video once to generate one bitstream that contains an H.264/AVC compatible base layer and a scalable enhancement layer. If an H.264/AVC decoder is available at the client end, only the base layer sub-bitstream is decoded and the decoded... Agent: Robert D. Shedd, Patent Operations Thomson Licensing LLC

20090323805 - Video encoding/decoding method and apparatus: A video encoding apparatus comprises a frame memory/predictive image generator having a first predictive mode for generating a predictive image signal by selecting a combination from among a plurality combinations of a reference image number and a plurality of predictive parameters, and a second predictive mode for generating a predictive... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090323806 - Video encoding/decoding method and apparatus: A video encoding apparatus comprises a frame memory/predictive image generator having a first predictive mode for generating a predictive image signal by selecting a combination from among a plurality combinations of a reference image number and a plurality of predictive parameters, and a second predictive mode for generating a predictive... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090323807 - Enabling selective use of fractional and bidirectional video motion estimation: A video encoder may analyze whether or not to do bidirectional or fractional motion estimation dependent on the cost in terms of bits needed to do the motion estimation versus the benefit of the analysis in terms of distortion, in some embodiments.... Agent: Trop, Pruner & Hu, P.C.

20090323809 - Fragmented reference in temporal compression for video coding: In general, this disclosure describes techniques for encoding and decoding sequences of video frames using fragmentary reference pictures. The disclosure presents video encoding and decoding techniques for modified temporal compression based on fragmented references rather than complete reference pictures. In a typical sequence of video frames, only a portion (i.e.,... Agent: Qualcomm Incorporated

20090323808 - Method and apparatus for motion compensated filtering of video signals: A method and apparatus for filtering video data. First and second frames of the video data are stored. Motion adapted spatio-temporal filter (MASTF) pixel values of the second frame are calculated using pixel values of the first and second frames. The second frame is compared to the first frame to... Agent: Ratnerprestia

20090323811 - Method for deriving motion for high resolution pictures from motion data of low resolution pictures and coding and decoding devices implementing said method: m

20090323813 - Method to transcode h.264/avc video frames into mpeg-2 and device: A method and device to transcode H.264/AVC video frames into MPEG-2 can include converting the H.264/AVC interframe coding modes into modes allowed by MPEG-2 and converting H.264/AVC motion information into corresponding MPEG-2 semantics, and determining a most suitable motion vector for each MPEG-2 macro-block, on the basis of motion vectors... Agent: Cermak Kenealy Vaidya & Nakajima LLP

20090323815 - Picture coding method: A picture coding method according to the present invention includes: a coding step (S102, S103) of coding, picture parameter sets (PPS) to be used for decoding all the pictures (pic) included in a random access unit (RAU) made up of plural pictures and a sequence parameter set (SPS); and a... Agent: Wenderoth, Lind & Ponack L.L.P.

20090323812 - Process for delivering a video stream over a wireless channel: Process for delivering a video stream over a wireless channel, wherein the video frames of the video stream are encoded by defining partitions of the video frames, said encoding being done by determining predictions for the partitions, a prediction being based on two reference areas (A1, A2) each of independent... Agent: Fay Sharpe/lucent

20090323814 - Tracking point detection apparatus and method, program, and recording medium: A tracking-point detection apparatus includes a background motion vector detection unit, a background image generation unit, a gate setting unit, a tracking-point motion detection unit, and a tracking-point determination unit. The background motion vector detection unit is configured to detect motion vectors for pixels in a frame included in a... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090323810 - Video encoding apparatuses and methods with decoupled data dependency: The invention provides an apparatus for video encoding with decoupled data dependency. In one embodiment, the apparatus comprises a buffer, a hardware circuit, and a parameter determination module. The hardware circuit, coupled to the buffer, generates and stores data during performing motion estimation on a current frame and encoding a... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090323816 - Video encoding/decoding method and apparatus: A video encoding apparatus comprises a frame memory/predictive image generator having a first predictive mode for generating a predictive image signal by selecting a combination from among a plurality combinations of a reference image number and a plurality of predictive parameters, and a second predictive mode for generating a predictive... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090323817 - Video encoding/decoding method and apparatus: A video encoding apparatus comprises a frame memory/predictive image generator having a first predictive mode for generating a predictive image signal by selecting a combination from among a plurality combinations of a reference image number and a plurality of predictive parameters, and a second predictive mode for generating a predictive... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090323818 - Asynchronous media foundation transform: This disclosure describes methods, systems, and programming interfaces for more efficiently processing media data in a media pipeline. In one embodiment, media flow in a media system is coordinated using a media foundation transform supported by a programming interface. The programming interface generates input and output events to the requisite... Agent: Lee & Hayes, PLLC

20090323819 - Method and apparatus for temporal wavelet compression: A system is described that comprises a method and apparatus for further compressing an already compressed data stream, using a mathematical comparison computation. The method comprises: receiving a data stream that has been compressed using a first compression protocol; decompressing the data stream using the first compression protocol; reducing temporal... Agent: Setter Roche LLP

20090323820 - Error detection, protection and recovery for video decoding: Error detecting and protection innovations for video decoders are described. For example, in a multithreaded video decoder, a picture extent discovery (PED) task detects an error in a video bitstream which corrupts a picture. The PED task then determines any PED sub-stage which have been completed for the picture, and... Agent: Klarquist Sparkman LLP

20090323821 - Moving picture decoding apparatus: Provided is a moving picture decoding apparatus including: a picture memory (103) that stores previously decoded picture data of a picture including macroblocks and macroblock information described on a macroblock basis, in association therebetween; an error judging unit (104) that judges presence or absence of an error for a current... Agent: Wenderoth, Lind & Ponack L.L.P.

20090323822 - Support for blocking trick mode operations: In one embodiment, a method that provides information corresponding to information that assists a receiver provide trick mode operations, such information provided with a corresponding picture, and such information provided in the transport packet containing the start of the corresponding picture, and such information including a tier number corresponding to... Agent: Merchant & Gould Scientific Atlanta, A Cisco Company

20090323823 - System for digital television broadcasting using modified 2/3 trellis coding: The outer convolutional coding of the signals used to transmit mobile-handheld (M/H) service data within digital-television (DTV) signals is subjected to anti-Gray coding, either before or after its interleaving, but before its inner convolutional coding. In a receiver for such M/H-service data, portions of the trellis decoded DTV signal containing... Agent: Sughrue Mion, PLLC

20090323824 - Methods and apparatus for use in multi-view video coding: There are provided methods and apparatus for use in multi-view video coding. An apparatus includes an encoder for encoding anchor and non-anchor pictures for at least two views corresponding to multi-view video content, wherein a dependency structure of each non-anchor picture in a set of non-anchor pictures disposed between a... Agent: Robert D. Shedd, Patent Operations Thomson Licensing LLC

20090323825 - Processing of sub-sampled images: A method and apparatus for estimating a previously encoding resolution to provide an estimated resolution; and using the estimated resolution to down-sample the compressed video signal to the estimated previously encoded resolution for processing the video signal.... Agent: Coats & Bennett, PLLC

20090323826 - Error concealment techniques in video decoding: Error concealment techniques for video decoding are described. For example, a video decoder after finding a corrupted picture in a bit stream, finds a suitable neighbor for the corrupted picture. For example, the video decoder favors pictures with the same parity as the corrupted picture and considers picture order count... Agent: Klarquist Sparkman LLP

20090323827 - Method related to noise reduction: A pre-processing of video data before coding and transmission, for a method for noise reduction in High-Density video images. A low implementation-complex filter filters raw pixel data output of a video camera with a low pass property for both spatial and temporal noise and the filter is adapted based on... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090323830 - Current mode circuitry to modulate a common mode voltage: In some embodiments, a chip includes transmitters to transmit differential signals on conductors; and current mode circuitry to selectively modulate a common mode voltage of the differential signals to communicate data. In other embodiments, a system includes a first chip to transmit first and second differential signals on conductors, and... Agent: Silicon Image/bstz Blakely Sokoloff Taylor & Zafman LLP

20090323828 - Information processing apparatus and signal determination method: There is provided an information processing apparatus, including a signal receiver that receives a signal encoded in such a way that a signal containing a first bit value and a second bit value, wherein the first bit value is represented by first amplitude values, the second value is represented by... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090323829 - Multi-wideband communications over power lines: Systems and methods for communicating over a power line are configured to substantially simultaneously communicate over a plurality of wideband frequency ranges. Signals may be communicated two or from a communication node at two different frequencies simultaneously. These signals may be exchanged with different nodes and/or include independent data. In... Agent: Peters Verny , L.L.P.

20090323831 - Digital video physical layer using a multi-level data code: Digital video data is transmitted from a video source (61) to a video sink (62) as a group of three multilevel symbols (611, 612, and 613) per pixel color with each associated symbol being sent at a rate of three times the pixel clock (601). When eleven levels are used... Agent: Crestron Electronics, Inc. Attn: Philip Kirkpatrick

20090323834 - Multi-carrier communication apparatus: A local carrier wave output from a synthesizer to quadrature demodulators is multiplied by an offset that makes a frequency shift by an integer number of subcarriers in units of sub-carrier bands. The offset is set to a value obtained by multiplying the number sequentially counted up from 0 to... Agent: Arent Fox LLP

20090323833 - Versatile platform for broadband wireless system design and prototyping using software defined radio methodology: The present invention relates to software defined radio (SDR) based wireless communication platform and, in particular, to a wireless communication system platform adapted for software defined radio methodology which would provide for a development platform for software defined radio implementation favouring programmability at the baseband and RF sections. Advantageously the... Agent: Alix Yale & Ristas LLP

20090323832 - Wireless communication system, wireless communication terminal, base station, wireless communication method and computer program of wireless communication method: A wireless communication system to which an adaptive modulation method is applied, in order to prevent characteristics of error ratio from being deteriorated more efficiently than prior techniques and to improve the throughput, one or each of a base station and a wireless communication terminal including: a communication line quality... Agent: Hogan & Hartson L.L.P.

20090323841 - Codebook design method for multiple input multiple output system and method for using the codebook: A multiple input multiple output (MIMO) communication method using a codebook is provided. The MIMO communication method may use one or more codebooks and the codebooks may change according to a transmission rank, a channel state of a user terminal, and/or a number of feedback bits. The one or more... Agent: North Star Intellectual Property Law, PC

20090323844 - Codebook generation system and associated methods: A codebook generation system and associated methods are generally described herein.... Agent: Intel Corporation C/o Cpa Global

20090323839 - Efficient cqi signaling in mimo systems with variable numbers of beams: The present invention relates to the signaling of channel quality information in a multi-beam transmission system, wherein a plurality of sets of channel quality information are transmitted for controlling the transmission rate on one of the beams, wherein each set of channel quality information is derived dependent on an assumed... Agent: Philips Intellectual Property & Standards

20090323842 - Mac multiplexing for uplink mimo: A method and apparatus for logical channel prioritization in a wireless transmit receive unit (WTRU), including the WTRU receiving multiple streams of a multiple input/multiple output (MIMO) signal, a physical layer (PHY) of the WTRU providing an indicator for each of the multiple streams to a medium access control (MAC)... Agent: Volpe And Koenig, P.C. Dept. Icc

20090323835 - Method and apparatus for detection of orthogonal frequency division multiplexing (ofdm) signals by cognitive radios: Efficient frequency spectrum sharing between at least one incumbent communication system(s) (102, 104) and at least one cognitive radio (CR) system (106, 108) is provided. The CR unit includes OFDM detection (216) for detecting the presence of OFDM signals which indicate the presence of an incumbent communication system within the... Agent: Motorola, Inc

20090323843 - Method and apparatus for estimating symbol timing offset in wireless communication system: A method and an apparatus for estimating a symbol timing offset in an Orthogonal Frequency Division Multiplexing (OFDM) based communication system are provided. A Carrier to Interference Ratio (CIR) of an Reference Signal (RS) is acquired using received pilot signals. The RS CIR includes power information on channel components of... Agent: The Farrell Law Firm, LLP

20090323837 - Method for estimating frequency offset in system utilizing a plurality of sub-carriers: An integer frequency offset estimation scheme in an orthogonal frequency division multiplexing (OFDM)-based system is disclosed. A receiving apparatus for receiving a signal according to an OFDM includes an OFDM symbol acquisition module for acquiring at least two consecutive OFDM symbols, a symbol operation module for operating upon pilot symbols... Agent: Holme Roberts & Owen LLP

20090323840 - Method of transmitting codebook index in wireless communication system: A method of transmitting a codebook index in a wireless communication system includes receiving a feedback index regarding an entity selected from a plurality of entities belonging to a feedback codebook, selecting a precoder from a precoding codebook using the feedback index, the precoding codebook comprising a plurality of precoders... Agent: Mckenna Long & Aldridge LLP

20090323836 - Radio base station and method of controlling radio base station: A radio base station 10 communicates with a mobile station by use of an OFDM scheme while using a signal as a transmission unit, the signal including an effective period for transmitting a data signal and a redundancy period for transmitting redundancy data based on the data signal transmitted during... Agent: Hogan & Hartson L.L.P.

20090323838 - Wireless communication systems and methods using reference signals: A method used in a wireless communication apparatus based on reference signals is provided. The method may include obtaining a plurality of pilot rules and obtaining radio channel information of a radio channel between the wireless communication apparatus and another wireless communication apparatus. The wireless communication apparatus may be in... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090323845 - Wireless mobile communication system without pilot signals: The present invention is directed to a method for canceling the Doppler shift, multi-path propagation, delays, and long time selective fading influences of phase and/or amplitude modulated signals carried by RF sub-carriers, without requiring pilot signals. The number of m=2n, over which individual datum is transmitted in each communication channel,... Agent: Boris Hill

20090323846 - Method and apparatus for computing soft decision input metrics to a turbo decoder: A method and apparatus for computing soft decision input metrics to a turbo decoder includes circuits associated with eight-ary phase shift keyed (8PSK) modulation and sixteen-ary quadrature amplitude modulation (16QAM). In both implementations log-likelihood ratio (LLR) metrics on code symbols are estimated as products of various constant values and various... Agent: Qualcomm Incorporated

20090323850 - Advanced mimo interleaving: A MIMO transmitter including an interleaving system for parsing encoded bits to a plurality of spatial streams and a plurality of interleavers to interleave bits for spatial streams such that at least a first spatial stream uses a first stream interleaver that interleaves with a pattern distinct from a second... Agent: Qualcomm Incorporated

20090323849 - Method and apparatus for performing multiple-input multiple-output wireless communications: A method and an apparatus for performing multiple-input multiple-output (MIMO) wireless communications are disclosed. A Node-B may receive an index to a pre-coding matrix in a single user MIMO (SU-MIMO) pre-coding codebook from wireless transmit/receive units (WTRUs) and adaptively perform one of SU-MIMO or multi-user MIMO (MU-MIMO) based on a... Agent: Volpe And Koenig, P.C. Dept. Icc

20090323851 - Method and apparatus for utilizing channel state information in a wireless communication system: Techniques for transmitting data from a transmitter unit to a receiver unit in a multiple-input multiple-output (MIMO) communication system. In one method, at the receiver unit, a number of signals are received via a number of receive antennas, with the received signal from each receive antenna comprising a combination of... Agent: Qualcomm Incorporated

20090323847 - Open-loop beamforming mimo communications in frequency division duplex systems: Techniques are provided for wireless communication between a first wireless communication device and a second wireless communication device. At a plurality of antennas of the first wireless communication device, one or more signals transmitted by a second wireless communication device in a first frequency band are received. Beamforming weights are... Agent: Edell, Shapiro & Finnan, LLC

20090323848 - Spatial sub-channel selection and pre-coding apparatus: A spatial sub-channel selection and pre-coding apparatus for being operative in a first communication device, the first communication device being adapted for communicating with a second and a third communication device using MIMO (Multiple-Input-Multiple-Output) radio channels, a first MIMO radio channel extending between the first communication device and the second... Agent: Nutter Mcclennen & Fish LLP

20090323852 - Data receiving apparatus: To provide a receiving apparatus which is capable of demodulating information data from a multi-level modulated signal, which is generated by using a Y-00 protocol, without using high-performance component parts. In the receiving apparatus, the soft decision section 211 performs soft decision on the multi-level signal 22, in which a... Agent: Wenderoth, Lind & Ponack L.L.P.

20090323853 - 4x over-sampling data recovery method and system: A 4× over-sampling data recovery system consists of a charge pump PLL, a 4× over-sampler, a data regenerator and a digital PLL. The charge pump PLL receives a clock signal and generates a plurality of multiplicative clock signals in response to the clock signal. The 4× over-sampler samples a serial... Agent: Wpat, PC Intellectual Property Attorneys

20090323854 - Flexible, reconfigurable, power efficient transmitter and method: A flexible, reconfigurable, power efficient transmitter device and method is provided. In one embodiment, the method includes receiving outbound data and determining a mode of operation. When operating in a first mode the method may include modulation mapping the outbound data according a modulation scheme to provide first modulation mapped... Agent: Capital Legal Group, LLC

20090323855 - Method and apparatus for generating code sequence in a communication system: Disclosed are a method for generating a code sequence that can be used for acquisition of initial synchronization, cell detection, channel estimation, etc. in a mobile communication system, and a transmitter. A method for generating a code sequence in a transmitting side of a mobile communication system includes combining at... Agent: Birch Stewart Kolasch & Birch

20090323856 - Transmit-canceling transceiver responsive to heat signal and method therefor: A transmit-canceling transceiver (10) generates a heat signal (84) that estimates heating in analog components which process a transmit signal (22). An equalizer (74) having taps (77) provided by a tap update section (78) processes the transmit signal (22) for use in a cancellation operation. The tap update section (78)... Agent: Meschkow & Gresham, P.L.C

20090323857 - Configurable sub-band filtering to reduce peak-to-average power ratio of ofdm signals or the like: Briefly, in accordance with one or more embodiments, a reduction in peak-to-average power ratio (PAPR) in an OFDM signal may be achieved by clipping the OFDM signal, extracting the clipping noise, filtering the clipping noise, and then constructing the clipped OFDM signal with the filtered clipping noise.... Agent: Cool Patent, P.C. C/o Cpa Global

20090323858 - Dual carrier modulation: A coding unit for determining two different types of modulation to be applied to two carrier signals such that each modulated carrier signal represents a data symbol in accordance with a group of modulation points, each modulation point representing a modulation of the first type and a modulation of the... Agent: Novak Druce Deluca + Quigg LLP

20090323859 - Flexible, reconfigurable, power efficient transmitter and method: A flexible, reconfigurable, power efficient transmitter device and method is provided. In one embodiment, the method includes receiving outbound data and determining a mode of operation. When operating in a first mode the method may include modulation mapping the outbound data according a modulation scheme to provide first modulation mapped... Agent: Capital Legal Group, LLC

20090323860 - Receiving and processing data: A description is given of a method comprising method steps of receiving a data stream comprising first data transmitted from a first antenna and second data transmitted from a second antenna, generating a projection operator and applying the projection operator to the data stream such that the first data is... Agent: Eschweiler & Associates LLC

20090323861 - System and method for blind compensation and correction of transmitter iq imbalance at the receiver: Systems and methods of correcting for a transmitter IQ imbalance are disclosed. Various embodiments collect statistics related to a received packet on a transceiver. These statistics include one or more transmitter imbalance parameters. In some embodiments, an estimated inversion matrix is calculated based on the imbalance parameter and a correction... Agent: Sheppard Mullin Richter & Hampton LLP

20090323862 - Mobile telecommunication device and ramping data transmitting method thereof: A mobile telecommunication device includes a digital baseband processing unit and an analog baseband processing circuit. The digital baseband processing unit is configured to extract a difference value of current ramping data of ramping data of ramping samples of a ramping profile from previous ramping data, the current ramping data... Agent: Volentine & Whitt PLLC

20090323863 - Signal generation using phase-shift based pre-coding: A phase-shift based pre-coding scheme used in a transmitting side and a receiving side that has less complexity than those of a space-time coding scheme, that can support various spatial multiplexing rates while maintaining the advantages of the phase-shift diversity scheme, that has less channel sensitivity than that of the... Agent: Lee, Hong, Degerman, Kang & Waimey

20090323864 - Single ended multiband feedback linearized rf amplifier and mixer with dc-offset and im2 suppression feedback loop: A receiver arrangement includes a single ended multiband feedback amplifier, at least one single ended input, differential output mixer arrangement including a main mixer and a trim mixer, and a mixer feedback loop circuit configured to receive differential output signals generated by the mixer arrangement. The mixer feedback loop circuit... Agent: Potomac Patent Group PLLC

20090323865 - Method and apparatus for low power simultaneous frequency, automatic gain control and timing acquisition in radio receivers: A method and apparatus are provided for low power simultaneous frequency, automatic gain control and timing acquisition in a low power radio receiver. A baseband signal received is split into a limited signal having limited data and a non-limited signal. The limited signal is fed through a limited phase-shift keying... Agent: Medtronic, Inc.

20090323866 - Demodulation method: A method of calculating at least one soft bit corresponding to a data symbol received by a radio receiver is described. In one form the method (300) includes, calculating an average amplitude at least one received data symbol. The method also includes calculating (304) at least one threshold amplitude in... Agent: Mcginn Intellectual Property Law Group, PLLC

20090323867 - Adaptive synchronization enhancement technique for serial modulated waveforms: Methods and apparatus for synchronization (SYNC) detection of a received serial offset quadrature pulse shaped waveform modulated by a symbol SYNC sequence are provided. The waveform is serially demodulated into a serial baseband signal and correlated in parallel with segments of the symbol SYNC sequence. Correlation strength estimates of each... Agent: Ratnerprestia

20090323869 - Method and apparatus for space division multiple access receiver: Methods and systems consistent with this invention receive a plurality of transmitted signals in a receiver having a plurality of receive elements, wherein each transmitted signal has a different spatial location. Such methods and systems receive the plurality of transmitted signals at the plurality of receive elements to form a... Agent: Snyder, Clark, Lesch & Chung, LLP

20090323868 - Selection of a received sequence by means of metrics: A method of received data sequence assessment, the method comprising producing a correlation metric describing the fit to a received sequence of the most likely of a set of candidates for the received sequence and calculating an error metric indicative of discrepancies between the received sequence and its most likely... Agent: Edell, Shapiro & Finnan, LLC

20090323871 - Application of superfast algorithms to a pilot-based channel estimation process: An apparatus and method of applying a superfast algorithm to a pilot-based channel estimation process includes receiving a signal comprising information bits transmitted in a wireless channel, executing the pilot-based channel estimation process having p structures for a vector of pilot structures and an upper bound N for a channel... Agent: Rahman LLC

20090323870 - Identification circuit with repeatable output code: A comparator receives a first read of voltage differentials from a series of bit cells, compares the first read to a positive voltage offset of a given magnitude, and set bits in a first bit stream to values that are dependent upon whether the voltage differential from a given bit... Agent: Lng/lsi Joint Customer C/o Luedeka, Neely & Graham, P.C.

20090323872 - Interface between a switched diversity antenna system and digital radio receiver: Methods and apparatus are presented for a digital radio receiver using antenna to receive a signal or signals using at least one other method of diversity. In exemplary embodiments of the present invention, both switched antenna diversity and at least one other method of diversity can be utilized in a... Agent: Kramer Levin Naftalis & Frankel LLP Intellectual Property Department

20090323874 - Channel estimation using common and dedicated pilots: The present invention relates to a receiver apparatus and method of channel estimation in a telecommunication system which provides at least two pilot sequences, and to a computer program product. Channel estimation is achieved by estimating channel taps separately for each of the at least two pilot sequences in every... Agent: Hogan & Hartson LLP

20090323873 - Method for discerning a desired signal from an interfering signal in an under sampled system: Described herein are methods and apparatuses for receiving a desired signal at a signal receiver with an undersampling frequency. A signal converter with a local oscillator frequency, a bandpass filter, and an analog-to-digital converter are used to generate an aliased discrete-time spectrum from an input analog spectrum. In order to... Agent: Honeywell International Inc. Patent Services

20090323876 - Adaptive synchronization circuit: Embodiments of a synchronization circuit are described. This synchronization circuit includes multiple selectively coupled synchronization stages which are configurable to synchronize data and control signals between a first time domain and a second time domain, where the synchronization can be performed based on asynchronous or synchronous events associated with either... Agent: Pvf -- Sun Microsystems Inc. C/o Park, Vaughan & Fleming LLP

20090323875 - Method for data synchronization: A method, apparatus, and system for a data synchronizer/serial link receiver that performs the alignment of the sampling clock used to retime asynchronous customer data by the application of a negative delay onto the system clock whereas the value of the applied negative delay is derived from the analysis of... Agent: Prtsi, Inc

20090323877 - Data receiving apparatus and data receiving method: In a data receiving apparatus, a measuring section measures a first pulse width of a first pulse, a second pulse width of a second pulse and a third pulse width of a third pulse, during each of which a first signal level of a reception signal is continuous. The first... Agent: Mcginn Intellectual Property Law Group, PLLC

20090323878 - Communication appartus: A communication apparatus which includes a clock generation circuit outputting a plurality of clocks, each of said plurality of clocks having a different phase from each other; a synchronization detection block receiving a sync word and a payload having a predetermined length after receiving said payload, sampling said sync word... Agent: Mcginn Intellectual Property Law Group, PLLC

20090323879 - Data alignment and de-skew system and method for double data rate input data stream: Methods and apparatus are provided for a system for aligning data. The apparatus comprises a demultiplexing component adapted to bifurcate a double data rate (DDR) data stream into a first single data rate (SDR) data stream and a second SDR data stream, a bit detection component coupled to the demultiplexing... Agent: Honeywell International Inc. Patent Services

20090323880 - Synchronization of real time data within deterministic clock edge: Techniques are disclosed for reducing clock slip in a system where real time data is transmitted over a wireless network. A wireless frame synchronization signal can be received from a remote device. The synchronization signal can be used to reset the clock that drives the wireless transmission of data, the... Agent: Woodcock Washburn LLP (microsoft Corporation)

20090316754 - Method for decoding digital data in a frequency hopping communication system: An improved method is provided for decoding data in a frequency hopping communications system. The method includes: monitoring transition points between data bits in a demodulated data stream, where the data bits are transmitted to a receiver over different transmission frequencies; determining a frequency over which data bits are transmitted... Agent: Harness, Dickey & Pierce, P.L.C

20090316756 - Apparatus and method for transmission of sounding reference signal in uplink wireless communication systems with multiple antennas and sounding reference signal hopping: A sounding reference signal transmission method which is efficient in an uplink wireless telecommunications system using a multiple antenna technique and sounding reference signal hopping. A terminal using the multiple antenna technique is equipped with a plurality of antennas, and a base station receives the sounding reference signal transmitted from... Agent: The Farrell Law Firm, LLP

20090316755 - Virtual or remote transponder: A system and method for transmitting UAV position data to a central flight control center transmits UAV position data using a virtual transponder. A ground control station for controlling the UAV receives data from the UAV, including UAV position data. The UAV may provide GPS data, or corrected position data... Agent: Honeywell/s&s Patent Services

20090316758 - Method for transmitting data using frequency hopping scheme and method for determining a sub-band for the frequency hopping: A frequency hopping scheme in a communication system using a plurality of sub-carriers is disclosed. A sub-band for frequency hopping is set and the frequency hopping scheme is applied using the set sub-band. The frequency hopping scheme is applied in the communication system by assigning a virtual index to a... Agent: Birch Stewart Kolasch & Birch

20090316757 - System and method using high performance preamble cover sequences for multi-band ofdm two-band hopping modes: Methods and systems for packet preamble sequences are provided. The preamble sequences are produce by multiplying preestablished base sequences by cover sequences. The cover sequences are chosen for high-performance in multi-band OFDM systems with modes that include two-band hopping.... Agent: Thaddeus Gabara

20090316759 - Multi-user detection using equalization and successive interference cancellation: A method and apparatus for multi-user detection using equalization and successive interference cancellation is provided. A signal is received in a shared spectrum. Samples of the received signal are produced as a received vector. The received vector is segmented into a plurality of vector segments. For each segment, symbols for... Agent: Volpe And Koenig, P.C. Dept. Icc

20090316761 - Method and apparatus for transmitting and receiving high speed data using code division multiple access channels: The present invention describes a spread spectrum communication system wherein the frequency of carriers and the code channels of the carriers or both for transmission to a given remote station user vary in time. This provides for a direct sequence spectrum communications system which changes frequency or code channel according... Agent: Qualcomm Incorporated

20090316760 - Uwb apparatus and method: An ultra-wideband receiver for processing a received signal comprising two or more diversity signals formed using a spreading technique at a transmitter comprises channel estimation means for estimating the channel over which the signal was transmitted. The receiver comprises inverting means for inverting the channel estimate obtained from the channel... Agent: Reed Smith LLP

20090316762 - Scaling using gain factors for use in data detection: Data is estimated from a received vector comprising a plurality of communications. A received wireless signal is converted to a baseband signal, which is sampled to produce a received vector. Channel responses are estimated for the received communications. The noise variance is estimated. The noise variance is scaled by a... Agent: Volpe And Koenig, P.C. Dept. Icc

20090316763 - Spatial multiplexing gain for a distributed cooperative communications system using randomized coding: Multiple cooperative relays operate in a highly mobile environment and form a virtual antenna array. Multiple independent streams of data can be simultaneously transmitted in parallel to the destination receiver. Thus a higher spatial multiplexing gain can be obtained. Such exemplary embodiments might do so by allowing each relay to... Agent: Straub & Pokotylo

20090316764 - Communication circuit for a bi-directional data transmission: A communication circuit for providing a bi-directional data transmission over a signal line, thereby receiving a first digital data stream and transmitting a corresponding first signal into a near end of a signal line to a remote device, the remote device being connected to a far end of the signal... Agent: Gregory W. Osterloth Holland & Hart, LLP

20090316765 - Method and apparatus for reducing the processing rate of a chip-level equalization receiver: A method and apparatus for reducing the processing rate when performing chip-level equalization (CLE) in a code division multiple access (CDMA) receiver which includes an equalizer filter. Signals received by at least one antenna of the receiver are sampled at M times the chip rate. Each sample stream is split... Agent: Volpe And Koenig, P.C. Dept. Icc

20090316766 - Method of determining a channel quality and modem: Data transmission is disclosed over a transmission channel that is subject to narrowband interferers. An increased overall bit or data transmission rate is achieved by an exemplary method of determining a channel capacity of plural sub-channels of the transmission channel based on a net background noise power estimation. The net... Agent: Buchanan, Ingersoll & Rooney PC

20090316767 - Detecting residual isi components using two data patterns: In one embodiment, a method includes accessing an input signal from a receiver that includes a series of bits and further comprising residual boundary intersymbol interference (ISI). The method includes identifying a first bit sequence in the input signal and identifying a second bit sequence in the input signal that... Agent: Baker Botts L.L.P.

20090316768 - Method and apparatus for generating equalizer filter tap coefficients: A method and apparatus generating an error signal and an update vector signal used to generate filter tap coefficients for an equalizer filter residing in an equalizer. The equalizer filter outputs an equalized signal in response to receiving a sample data stream. The error signal is generated by down-sampling the... Agent: Volpe And Koenig, P.C. Dept. Icc

20090316770 - Adaptive control of a decision feedback equalizer (dfe): In one embodiment, a system includes one or more DFEs, each of which includes a feedback (FB) loop to compensate for distortion in an output signal that includes information recovered by a decision circuit from an input signal from a receiver. A first FB tap of a data DFE delays... Agent: Baker Botts L.L.P.

20090316769 - Decision feedback equalizer (dfe): In one embodiment, a method includes receiving an input signal from a receiver, receiving a data clock (DCLK) signal, and receiving a boundary clock (BCLK) signal. The method includes, based on the input signal and the DCLK signal, recovering data from the input signal to produce a first output signal.... Agent: Baker Botts L.L.P.

20090316772 - Multidimensional asymmetric bang-bang control: In one embodiment, a system includes one or more digital feedback equalizers (DFEs) that include one or more residual intersymbol interference (ISI) detectors, one or more column balancers, and one or more weight selectors. The residual ISI detectors produce a first output signal indicating whether the residual ISI of a... Agent: Baker Botts L.L.P.

20090316771 - Sign-based general zero-forcing adaptive equalizer control: In one embodiment, a system includes one or more digital feedback equalizers (DFEs) that include one or more residual intersymbol interference (ISI) detectors, one or more column balancers, and one or more weight selectors. The residual ISI detectors produce a first output signal indicating whether the residual ISI of a... Agent: Baker Botts L.L.P.

20090316773 - Word synchronization for servo read signals in tape drives: Methods and apparatus for detecting L-bit sync words occurring at N-bit intervals in PPM-encoded servo pattern read signals read in magnetic tape drives. A soft output detector processes the PPM-encoded servo pattern read signal to produce a series of soft output samples corresponding to respective bits encoded in the servo... Agent: Ibm Corporation, T.j. Watson Research Center

20090316774 - Method and apparatus for multi-part interactive compression: In order to increase the compression of data being transmitted between two devices in communication, the data may be broken up into individual components and individually compressed using different compression state information. The method of multi-part interactive compression comprises the steps of retrieving a request for data from a communicating... Agent: Borden Ladner Gervais LLP

20090316777 - Method and apparatus for improved broadcast bandwidth efficiency during transmission of a static code page of an advertisement: Advertisements are transferred to mobile handheld displays (MHDs) during slack time, when the spectrum is not busy for download at, and storage on, the MHDs. The stored advertisements are then selectively rendered during available ad spots when the user is viewing content on the MHD. A main code page that... Agent: Glenn Patent Group

20090316778 - Method and system for optimal video transcoding based on utility function descriptors: Techniques for generating utility-based descriptors from compressed multimedia information are disclosed. A preferred method includes the steps of receiving least a segment of compressed multimedia information, determining two or more portions of utility based descriptor information based on one or more adaptation operations, each corresponding to a unique target rate,... Agent: Baker Botts L.L.P.

20090316776 - Method for providing channel service: A method for providing a channel service is disclosed. In accordance with the present invention, a fixed information including a BUMF information, an SF information and a playlist information and a variable information including a clip information associated with a streaming data of a selected channel service are transmitted to... Agent: The Nath Law Group

20090316775 - Video encoding and decoding method and system thereof: A video encoding system for encoding at least one frame, which includes a plurality of data units, to a bit stream. The system includes: a scaling unit, for scaling a data unit of a current frame to generate a scaled data unit in a first mode; and a video encoder,... Agent: North America Intellectual Property Corporation

20090316779 - Information processing device and method: The present invention relates to an information processing apparatus and method which make it possible to transmit image data with high quality and low delay in more versatile situations. A control unit 111 obtains negotiation information including a transmission-allowed bit rate of a transmission line 103, which is defined in... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090316780 - Video coding method with non-compressed mode and device implementing the method: e

20090316781 - Picture coding method: A picture coding method according to the present invention includes: a coding step (S102, S103) of coding, picture parameter sets (PPS) to be used for decoding all the pictures (pic) included in a random access unit (RAU) made up of plural pictures and a sequence parameter set (SPS); and a... Agent: Wenderoth, Lind & Ponack L.L.P.

20090316782 - Image decoding apparatus: An access unit to be decoded is selected from data stored in a coded picture buffer (CPB) (56). If the access unit is an IDR (Instantaneous Decoder Refresh) picture, it is checked whether a decoded picture buffer (DPB) (60) has a free area enough to store the access unit. If... Agent: Cowan Liebowitz & Latman P.C. John J Torrente

20090316783 - Bidirectionally decodable wyner-ziv video coding: Systems and methodologies for employing bidirectionally decodable Wyner-Ziv video coding (BDWZVC) are described herein. BDWZVC can be used to generate M-frames, which have multiple reference frames at an encoder and can be forward and backward decodable. For example, optimal Lagrangian multipliers for forward and backward motion estimation can be derived... Agent: Turocy & Watson, LLP

20090316784 - Device for generating an interpolated frame: The present invention is situated within the frame or video processing domain and more particularly in the domain of video interpolation. It relates to a device for generating an interpolated frame from source frames temporarily surrounding it. This device comprises motion estimation means, motion compensated interpolation means, linear interpolation means,... Agent: Robert D. Shedd, Patent Operations Thomson Licensing LLC

20090316789 - Device, method and program for generating interpolation frame: An interpolation frame generation device that generates an interpolation frame that interpolates image frames that are obtained by decoding a coded image signal that is coded by motion compensation, includes a motion vector deriving unit and an interpolation frame generating unit. The motion vector deriving unit acquires a motion compensation... Agent: Wenderoth, Lind & Ponack L.L.P.

20090316785 - Joint system for frame rate conversion and video compression: A video processing apparatus includes a storage interface, where information and hardware of a motion estimation module and a motion compensation module are shared between frame rate conversion and video coding operations. The video processing apparatus therefore may perform both the frame rate conversion and video coding operations at the... Agent: North America Intellectual Property Corporation

20090316786 - Motion estimation at image borders: An estimated motion vector within image signals to obtain robust motion vectors is provided by creating at least one candidate motion vector for at least one current block within an image of the signal, determining for each of said candidate motion vectors at least one match block within at least... Agent: Nxp, B.v. Nxp Intellectual Property & Licensing

20090316787 - Moving image encoder and decoder, and moving image encoding method and decoding method: A high-compression-ratio encoding and decoding technique is provided which enables random access image reproduction and which can prevent temporary decoding failure. A moving image encoder includes a substitute image generation section which generates a substitute image for a target area to be processed of an input image and a substitute... Agent: Antonelli, Terry, Stout & Kraus, LLP

20090316788 - Video coding method with non-compressed mode and device implementing the method: h

20090316790 - Video encoding/decoding method and apparatus: A video encoding apparatus comprises a frame memory/predictive image generator having a first predictive mode for generating a predictive image signal by selecting a combination from among a plurality combinations of a reference image number and a plurality of predictive parameters, and a second predictive mode for generating a predictive... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090316791 - Video encoding/decoding method and apparatus: A video encoding apparatus comprises a frame memory/predictive image generator having a first predictive mode for generating a predictive image signal by selecting a combination from among a plurality combinations of a reference image number and a plurality of predictive parameters, and a second predictive mode for generating a predictive... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090316792 - Decoding method, program for decoding method, recording medium with recorded program for decoding method, and decoding device: The present invention is applied to a decoder based on the ITU-T H.264 method, for example, and detects continuous numbers of a syntax element of a specific value, such as a value 0, and decodes the syntax element on the basis of the detection result.... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20090316794 - Image processing apparatus and image processing method: An image processing apparatus for processing image data by partitioning an image contained in the image data into a plurality of macro blocks, the apparatus includes: a determination module configured to detect an edge pixel for each of the macro blocks and determine a direction of an edge with respect... Agent: Blakely Sokoloff Taylor & Zafman LLP

20090316793 - Method and system for adaptive deblocking for avs1-p2: Aspects of a method and system for adaptive deblocking for AVS1-P2 are provided. An AVS decoder may receive a bitstream comprising filtering parameters and plural macroblocks. The plural macroblocks may be decoded to form decoded pictures to be processed based on the filtering parameters and corresponding adjusted quantization parameters (adj_qp)... Agent: Mcandrews Held & Malloy, Ltd

20090316796 - Digital television decoder: A method of operating a digital television decoder is disclosed. The decoder includes a memory, the memory storing onboard software, and the decoder is operable in a run mode to execute the onboard software. The method comprises: activating a power saving mode on the decoder; and upon activating the power... Agent: Husch Blackwell Sanders, LLP Husch Blackwell Sanders LLP Welsh & Katz

20090316795 - Displaying video at multiple resolution levels: A method of displaying video includes receiving a video bitstream corresponding to a video. The video comprises a sequence of frames having an associated video resolution level. At least a portion of the video bitstream is decoded. A background region of the video is displayed at a first video resolution... Agent: Morgan, Lewis & Bockius, LLP. (pa)

20090316797 - Distributed coded video decoding apparatus and method capable of successively improving side information on the basis of reliability of reconstructed data: Disclosed herein is a distributed coded video decoding apparatus. The distributed coded video decoding apparatus includes a key picture decoding unit for reconstructing a key picture, a side information generation unit for generating side information using the key picture and/or previously reconstructed WZ pictures, a side information update unit for... Agent: LexyoumeIPGroup, LLC

20090316798 - Audio and video processing apparatus: The present invention performs video and audio compression/decompression, video input and output scaling, video input and output processing for enhancement, and system layer functions on a single semiconductor chip. The media processor is compromised of video processor with a SIMD vector engine, audio processor, stream processor, system processor, and video... Agent: Sawyer Law Group PC

20090316799 - Image processing circuit and associated method: An image processing circuit includes a compression circuit, a plurality of first line buffers, a decompression circuit, and a motion estimation/compensation circuit. The compression circuit receives source image data and compresses the received source image data to generate a compressed image data. The first line buffers, coupled to the compression... Agent: Edell, Shapiro & Finnan, LLC

20090316800 - Low speed access to dram: Embodiments provide access to a memory over a high speed serial link at slower speeds than the high speed serial links regular operation. An embodiment may comprise a memory apparatus with a differential receiver coupled to a protocol recognition circuit, a low speed receiving circuit that has a first receiver... Agent: Intel Corporation C/o Cpa Global

20090316817 - Channel estimation for wireless systems without matrix inversion: 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 that produce zero cross-correlation energy. Channel communication can accordingly be simplified as the zero cross-correlation property allows... Agent: Mr. S. H. Dworetsky At&t Corp.

20090316811 - Data communication method, communication system and mobile terminal: In a communications system which complies with LTE including a base station 2 which transmits data by using an OFDM (Orthogonal Frequency Division Multiplexing) method as a downlink access method, and a mobile terminal 3, in a case in which an uplink scheduling request signal SR is transmitted by using... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090316805 - Energy-efficient link adaptation and resource allocation for wireless ofdma systems: An energy-efficient framework for active transmission in OFDMA-based long-range wireless networks is disclosed. This frame-work is based on using energy-aware metrics for resource allocation and link adaptation. By casting the optimal energy-efficient resource allocation problem as utility-based optimization problem, low-complexity utility-based resource allocation schemes developed here can be applied to... Agent: Carrie A. Boone, P.C. C/o Cpa Global

20090316807 - Method and apparatus for achieving transmit diversity and spatial multiplexing using antenna selection based on feedback information: A method of achieving transmit diversity in a wireless communication system is disclosed. The method comprises encoding and modulating data stream based on feedback information, demultiplexing symbols to at least one encoder block, encoding the demultiplexed symbols by the at least one encoder block, transforming the encoded symbols by at... Agent: Lee, Hong, Degerman, Kang & Waimey

20090316804 - Method and apparatus to implement ofdma ranging in wimax system: A communications processing device includes a rotor for rotating information associated with ranging subchannels in some symbols; and a single inverse fast Fourier transformer (IFFT), coupled to rotor, for subjecting the rotated information to a single IFFT along with information from all other channels. A method comprising the steps of:... Agent: Frank F. Tian Esq. Patent Agent

20090316816 - Method for multiple use subchannels: Systems and methods for multiuse subcarriers in multipoint-to-point communication using orthogonal frequency division multiplexing (OFDM) are provided. In one embodiment, a remote unit for communicating with a host unit using OFDM is provided, the host unit communicatively coupled to a plurality of remote units in a multipoint-to-point configuration. The remote... Agent: Fogg & Powers LLC

20090316814 - Method for signaling of resource allocation to adjust granularity in cellular multi-carrier system: A method for adjusting a granularity of resource allocation in a wireless mobile communication system supporting a compact scheduling is disclosed. A resource indication value (RIV) corresponds to a start index (S) of one set of consecutive virtual resource blocks (VRBs) and a length of the VRBs. The start index... Agent: Birch Stewart Kolasch & Birch

20090316809 - Method for transmitting channel quality information: There is provided a method for transmitting channel quality information in a wireless communication system. Over-all band of the wireless communication system is divided by a plurality of sub-bands. The method includes selecting a first sub-band having the highest CQI among the plurality of sub-bands, transmitting CQI of the first... Agent: Mckenna Long & Aldridge LLP

20090316815 - Methods and systems for overhead reduction in a wireless communication network: Methods and apparatus are provided for increasing throughput in a wireless communication system by reducing the amount of overhead transmitted to certain user terminals. Overhead due to control information may be reduced for these certain user terminals by selecting a low repetition factor. Overhead may be further reduced for these... Agent: Qualcomm Incorporated

20090316806 - Methods and systems for utilizing a multicast/broadcast cid scheduling mac management message: Methods and systems for utilizing a multicast/broadcast connection identifier (CID) scheduling message in an orthogonal frequency-division multiplexing (OFDM) or orthogonal frequency division multiple access (OFDMA) frame in an effort to bypass at least a portion of the Media Access Control (MAC) protocol data unit (PDU) parsing of the frame are... Agent: Qualcomm Incorporated

20090316810 - Methods for transmitting and receiving a multicarrier signal comprising isolated pilots, corresponding devices and computer program products: A method is provided for receiving a received signal corresponding to a multicarrier signal transmitted by at least one transmitter via a transmission channel, the multicarrier signal being formed by a temporal succession of symbols including of a set of data elements with real values, including informative data elements, and... Agent: Westman Champlin & Kelly, P.A.

20090316803 - Mimo receiver: In a MIMO receiver, initial solutions using sub-optional decoding algorithm are determined for the symbols transmitted from each of a number of transmit antennas at a given time (100). The initial solutions (Sinit1, . . . , SinitNt) are hard-mapped to the nearest possible symbols of transmission (Sest1, . .... Agent: Nxp, B.v. Nxp Intellectual Property & Licensing

20090316802 - Multi-user mimo systems and methods: A method is provided for scheduling data transmission in a Multiple-Input Multiple-Output (MIMO) Orthogonal Frequency Division Multiplexing (OFDM) system. The MIMO-OFDM system may comprise at least one MIMO-OFDM transmitter and at least one MIMO-OFDM receiver Feedback from one or more receivers may be used by a transmitter to improve quality,... Agent: Smart & Biggar P.o. Box 2999, Station D

20090316812 - Ofdm communication device and guard interval length determining method: An OFDM communication device (10) includes: an REF/IF/BR unit (11) for receiving a series of symbols; a frequency fluctuation amount information acquisition unit (21) for acquiring frequency fluctuation amount information that indicates a frequency fluctuation amount of the received series of symbols; and a GI length determination/instruction unit (23) for... Agent: Hogan & Hartson L.L.P.

20090316801 - Radio device, electronic device, and imaging device: A radio device for transmitting or receiving desired information through an MIMO transmission line, and an electronic device and an imaging device which have the radio device and supplied with drive power together with the radio device may realize to implement a desired radio transmission flexibly in the form suitable... Agent: Oliff & Berridge, PLC

20090316808 - Radio reception device, radio transmission device, radio base station, reception method, and transmission method: An OFDM radio reception device 100 with multiple antennas 110-1 to 110-K removes a guard interval CP from each received signal, and performs S/P conversion, FFT, and channel estimation, on each received signal. The OFDM radio reception device 100 performs channel equalization by multiplying each signal resulting from FFT by... Agent: Hogan & Hartson L.L.P.

20090316818 - Receiver: A receiver employing an OFDM system which uses a frequency band that is constituted by a plurality of subchannels, and receiving a signal added a phase rotation which is made to respectively differ for each transmission antennas of transmitter and transmitted from the transmission antennas, having an informing portion which... Agent: Birch Stewart Kolasch & Birch

20090316819 - Transmitter: A transmitter employing an OFDM system, having a phase rotating portion which gives a same phase rotation amount to each group configured with a plurality of consecutive subcarriers modulated by data or a known signal, a rotation amount determining portion which sets a phase rotation for each antenna set or... Agent: Birch Stewart Kolasch & Birch

20090316813 - Transmitter, receiver, transmission method and reception method: A phase relationship between signal sequences obtained by space-time-coding transmission signals is controlled so as to give a difference in peak power between the signal sequences to be transmitted from separate transmission antennas, and either one or both of the signal sequences are controlled so as to minimize a rate... Agent: Katten Muchin Rosenman LLP

20090316821 - Apparatus and method for power control in mobile communication system: An apparatus and method for power control are provided. In a receiver in a mobile communication system, a Receive (Rx) signal received through a plurality of antennas is estimated. A power ratio between a traffic channel of the Rx signal and a pilot channel of the Rx signal is determined.... Agent: The Farrell Law Firm, LLP

20090316820 - Ofdm receiver having memory capable of acting in a single-chip mode and a diversity mode: An OFDM receiver is provided. The OFDM receiver comprises a Fourier transform (FFT) module, a storage device, an equalizer, and a diversity combiner module. The Fourier transform module transforms a time-domain symbol into an OFDM symbol. The storage device stores OFDM symbols. When operated in a single chip mode, the... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090316824 - Method for transmitting a sequence of symbols for exploiting transmit diversity: using the coding matrix for transmitting the sequence of symbols during the T consecutive transmission intervals, by transmitting one different column of the coding matrix at each transmission interval through the M transmit antennas, only N transmit antennas are enabled during a given transmission interval.... Agent: Graybeal Jackson LLP

20090316822 - Method of transmitting signals for multiple antenna system: A signal transmission method for use in a multi-antenna system includes: receiving a complex signal using N antennas and M timeslots as a single unit, and generating a space-time code (STC) for performing interleaving and phase-shifting operations of the received complex signal; and applying the space-time code (STC) to the... Agent: Lee, Hong, Degerman, Kang & Waimey

20090316823 - Methods and systems for improving frame decoding performance using known information: A method and apparatus for decoding encoded data bits of a wireless communication transmission are provided. A set of a-priori bit values corresponding to known bit values of a response message expected to be transmitted in response to a previously transmitted message. Example expected response messages include clear to send... Agent: Qualcomm Incorporated

20090316825 - Radio transmitter apparatus, radio receiver apparatus, and wireless communication system: A wireless communication system capable of obtaining diversity gain without fail even when the distribution of the reception qualities is large. In a radio transmitter apparatus (100) of the wireless communication system, a repetition/constellation pattern ratio deciding part (113) adjusts the number of constellations to be used by a modulating... Agent: Dickinson Wright PLLC James E. Ledbetter, Esq.

20090316827 - Amplitude suppressing apparatus and signal transmitting apparatus: An amplitude suppressing apparatus includes a differential circuit that calculates a differential value of amplitude of an input signal at a point when the amplitude reaches a predetermined threshold. The amplitude suppressing apparatus also includes an amplitude suppressing circuit that suppresses the amplitude of the input signal on the basis... Agent: Katten Muchin Rosenman LLP

20090316826 - Predistortion and post-distortion correction of both a receiver and transmitter during calibration: A post-distorter compensates for receiver nonlinearity in calibration mode. Linearized receiver-side output from the post-distorter is used to correctly compensate for transmitter-side nonlinearities in calibration mode. The post-distorter also compensates for receiver-side nonlinearities during normal receive mode. Thus, the post-distorter features dual modes of use, a calibration mode, wherein calibration... Agent: Mark Young, P.A.

20090316828 - Apparatus, and associated method of phase-offset modulation, for space-time coded wireless communication systems: An apparatus, and an associated methodology, for facilitating communication of data in a wireless communication systems. Binary data are modulated to form modulated symbols on parallel paths. The symbols formed on one of the parallel paths are phase-offset by a phase rotator to form phase-offset symbols. The parallel paths of... Agent: Docket Clerk Kelly-krause

20090316829 - Method and system for transmit diversity for chip-to-chip communications: Aspects of a method and system for transmit diversity for chip-to-chip communications may include transmitting a plurality of signals generated in accordance with a transmission diversity protocol via a plurality of transmit antennas integrated in/on a first chip. The plurality of signals may be received at a second chip, the... Agent: Mcandrews Held & Malloy, Ltd

20090316830 - Method and transmitting device for encoding data in a differential space-time block code: A method and a corresponding transmitting device to encode data with a differential space-time block code. A code matrix is calculated recursively from a momentary data matrix with a previous code matrix as a DSTBC block with symbols that are to be transmitted, the data matrix is formed from at... Agent: Staas & Halsey LLP

20090316831 - Transmitting/receiving system and method of processing data in the transmitting/receiving system: A receiving system and a data processing method are disclosed. The receiving system includes a receiving unit, a demodulator, a first handler, and a second handler. The receiving unit receives a broadcast signal including fast information channel (FIC) data, mobile service data, and a service signaling channel, the FIC data... Agent: Lee, Hong, Degerman, Kang & Waimey

20090316832 - Increasing channel capacity without needing to reduce signal to noise margin due to inter-symbol interference (isi) by using three states +1, -1 and no: Basic idea is that in addition to sending +1 and −1 a third state is sent. This third state is a lack of any transmission whatsoever. Suggests sending frequency 0 for symbol 0, frequency 1 for symbol 1, frequency 2 for symbol 2, frequency 0 & frequency 1 for symbol... Agent: Bob Tang

20090316833 - Receiver: A receiver employing an OFDM system which uses a frequency band that is constituted by a plurality of subchannels, and receiving a signal added a phase rotation which is made to respectively differ for each transmission antennas of transmitter and transmitted from the transmission antennas, having a virtual subchannel quality... Agent: Birch Stewart Kolasch & Birch

20090316834 - Apparatus for controlling sensitivity by using digital gating in receiver and receiver with the same: Disclosed is a wireless communication system, more particularly, a receiver and a chipset for DSRC. A receiver includes: a low noise amplifier (LNA) amplifying a received radio (RF) signal while minimizing amplification of noise included in the received RF signal; a mixer down-converting a frequency of an output signal of... Agent: The Belles Group, P.C.

20090316835 - Power savings in hierarchically coded modulation: A wireless communication apparatus in a hierarchically coded modulation system can use error control mechanisms generated during decoding of base layer information to predict a probability of successful demodulation of enhancement layer information. Performance in the demodulation of the base layer correlates to performance in the demodulation of the enhancement... Agent: Qualcomm Incorporated

20090316839 - Apparatus and method for adaptively correcting i/q imbalance: An apparatus and method for adaptively correcting I/Q imbalance, which is used in a receiver for correcting a received I/Q imbalanced signal to thus eliminate the I/Q imbalance. First, an interference amount caused by interference from an imbalanced in-phase signal to an imbalanced quadrature-phase signal is computed and accordingly subtracted... Agent: Bacon & Thomas, PLLC

20090316838 - Cordic based complex tuner with exact frequency resolution: Systems and methods are disclosed that include selecting a sampling frequency and a tuning resolution frequency. These systems and methods may further include determining a wordlength of the phase accumulator, a numeric representation of the phase range, and a reduced representable value of a phase accumulator. In addition, these systems... Agent: Docket Clerk

20090316837 - Sample rearrangement for a communication system with cyclic extension: Signal detectivity is improved by implementation of address adjustment to reorder samples and to discard undesired samples. Such reordering is utilized when the time order of received samples are distorted and/or corrupted, which can occur in at least three situations. If the samples are distorted in time order, the samples... Agent: Qualcomm Incorporated

20090316836 - Single-wire, serial, daisy-chain digital communication network and communication method thereof: A digital communication network including several receivers and a communication method for the digital communication network are provided. Each of the receivers includes a first port and a second port. The first port of the first receiver is coupled to the microcontroller. The first port of each of the receivers... Agent: Jianq Chyun Intellectual Property Office

20090316840 - Methods and systems for stc signal decoding using mimo decoder: Space time coding (STC) may be applied at the transmitter adding redundant information in both space and time dimensions. At the receiver, the received STC signal may be decoded using a spatial multiplexing MIMO decoding, for example, based on either Minimum Mean Square Error (MMSE) or maximum-likelihood (ML) algorithms. A... Agent: Qualcomm Incorporated

20090316843 - Method and apparatus for parallel midamble cancellation: Method and apparatus for performing midamble cancellation to remove midamble interference from the convolution tail of data field 1 and the first W−1 chips of the midamble field which results from the delay spread of the multipath channel and for canceling the first W−1 chip midamble spread in the data... Agent: Volpe And Koenig, P.C. Dept. Icc

20090316841 - Null detection and erasure decoding for frequency selective channels in a broadcasting system: A null detection and erasure decoding process for a frequency selective channel in a broadcasting system. An orthogonal frequency-division multiplexing (OFDM) receiver receives an input bitstream, determines a noise level of the received input bitstream, and then detects a null in the input bitstream based on the noise level. Once... Agent: Mcandrews Held & Malloy, Ltd

20090316842 - Phase-noise resilient generation of a channel quality indicator: System(s) and method(s) are provided for generating phase-noise resilient channel quality indicator(s). A pilot signal utilized to determine a channel quality indicator is rotated to be aligned to a phase reference signal. Separate noise evaluations in quadrature and in-phase directions are utilized, at least in part, to generate a net... Agent: Qualcomm Incorporated

20090316844 - System and method for reducing radio frequency interference from digital circuits: An information handling system includes a digital circuit having a first terminal connected to a first voltage reference, and a second terminal connected to a second voltage reference. The digital circuit is configured to be coupled to a radio device. The system also includes a band pass filter having a... Agent: Larson Newman & Abel, LLP

20090316845 - Asynchronous multi-clock system: A system for controlling the transfer of a signal sequence in a first clock domain to a plurality of other clock domains. The system comprising: detecting circuitry for detecting receipt of the signals from the clock domains and setting an update signal when all of the signals received from the... Agent: Docket Clerk

20090316846 - Method and system for 60 ghz wireless clock distribution: Aspects of a method and system for 60 GHz wireless clock distribution may include configuring a microwave communication link established between a first chip and a second chip via a wireline communication bus. The configuration may comprise adjusting beamforming parameters of a first antenna array communicatively coupled to the first... Agent: Mcandrews Held & Malloy, Ltd

20090316847 - Automatic synchronization of an internal oscillator to an external frequency reference: An internal integrated circuit clock oscillator is automatically synchronized to an external frequency reference by counting the number of periods of the internal clock oscillator (hereinafter “count”) that occur within a period of a lower frequency external frequency reference then comparing the count to the reference count. When the reference... Agent: King & Spalding LLP

20090316848 - Apparatus for generating clock signal with jitter and test apparatus including the same: The present invention relates to an apparatus for generating a clock signal with jitter and a test apparatus including the same. The apparatus for generating a clock signal with jitter in accordance with the present invention includes a voltage-controlled crystal oscillator (VCXO) for generating an output signal including jitter components... Agent: Staas & Halsey LLP

20090316849 - Method and system for rf signal generation utilizing a synchronous multi-modulus divider: Aspects of a method and system for RF signal generation utilizing a synchronous multi-modulus divider are provided. In this regard, a feedback signal of a PLL may be generated by clocking a counter with an RF signal output by the PLL and toggling the feedback signal each time a determined... Agent: Mcandrews Held & Malloy, Ltd

20090310649 - System and method for fast acquisition of ultra wideband signals: An ultra wideband system employing a threshold to detect signal quality during acquisition wherein the threshold is adjusted based on signal characteristics such as packet traffic rate, packet loss rate, and packet loss fraction. In one embodiment, the threshold is adjusted by adjusting the gain of a variable gain stage... Agent: James Richards

20090310650 - Featureless coherent chaotic amplitude modulation: Systems (400, 500, 600) and methods (300) for generating a chaotic amplitude modulated signal absent of cyclostationary features by preserving a constant variance. The methods involve: generating a PAM signal including pulse amplitude modulation having a periodically changing amplitude; generating a first part of a constant power envelope signal (FPCPES)... Agent: Harris Corporation C/o Darby & Darby PC

20090310652 - Base station having a set of phased array antennas: A wireless communications handset configured to receive a multipath spread spectrum signal comprises a first antenna and a second antenna. A first receiver is coupled to the first antenna and a second receiver is coupled to the second antenna. A delay device is coupled to the first receiver and delays... Agent: Volpe And Koenig, P.C. Dept. Icc

20090310651 - Spread-spectrum receiver and reception method: Receivers and reception methods conduct spread spectrum reception using the energy of multiple bits, preferably a substantial number of bits, in a packet for correct alignment of the spreading code at the receiver. Code acquisition, as well as packet detection and acquisition are provided by embodiments of the invention. Preferred... Agent: Greer, Burns & Crain

20090310653 - Hybrid polyphase and joint time-frequency detection: A demodulator (150) in a receiver (100) includes a correlator (240) for de-spreading a spread-spectrum signal, and decision module (250) for detecting a preamble and for synchronizing to data frames of the spread spectrum signal. The demodulator includes symbol timers (231 and 233) that allow the demodulator to correlate to... Agent: Fleit, Gibbons, Gutman, Bongini & Bianco P.l

20090310654 - Multiple correlation processing in code space search: Methods and apparatus for code phase processing in a wireless communication device are described herein. A wireless device performs code phase search on a pseudo random code spread signal received over a wireless channel. A correlator correlates the received signal to a plurality of code phases in each of a... Agent: Qualcomm Incorporated

20090310655 - Search frequency correction method, positioning method, program, and receiving apparatus: A search frequency correction method includes: obtaining correlation values by correlating between a received signal that is modulated by direct sequence spread spectrum modulation and a replica code of a spread code with respect to I and Q components at a predetermined search frequency, obtaining accumulated correlation values by accumulating... Agent: GlobalIPCounselors, LLP

20090310656 - Communication system and technique using qr decomposition with a triangular systolic array: An apparatus, system, and method to perform QR decomposition of an input complex matrix are described. The apparatus may include a triangular systolic array to load the input complex matrix and an identity matrix, to perform a unitary complex matrix transformation requiring three rotation angles, and to produce a complex... Agent: Kacvinsky LLC C/o Intellevate

20090310657 - Method for low power communication encoding: In accordance with a low power communication encoding method a first piece of encoded information and a second piece of encoded information are generated based on a comparison of a current transmission record and a previous transmission record, then transmission data is selected based on which of the first and... Agent: Texas Instruments Incorporated

20090310659 - Adaptive turbo peak mitigation for peak-to-average ratio (par) reduction using reserved tones: Systems and methods for reducing the peak-to-average ratio (PAR) at the transmitter can reduce the dynamic range required in various analog components. PAR can be reduced by applying a time-domain compensation signal which reduces the magnitude of peaks in the time-domain signal prior to transmission where the time-domain compensation signals... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090310658 - Systems and methods for positioning and messaging of reserved tones for peak-to-average ratio (par) reduction in dsl systems: Systems and methods for reducing the peak-to-average ratio (PAR) at the transmitter can reduce the dynamic range required in various analog components. PAR can be reduced by applying a time-domain compensation signal which reduces the magnitude of peaks in the time-domain signal prior to transmission where the time-domain compensation signals... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090310660 - System and method for determining a suitable impedance for a modem: A system includes a plurality of modules which are configured for determining a suitable impedance for a modem. The plurality of modules send signals with a plurality of signal frequencies to a telephone and receive feedback signals from the telephone under each of a plurality of impedances of the modem,... Agent: PCe Industry, Inc. Att. Steven Reiss

20090310661 - Capturing and using radio events: In one embodiment a method includes, collecting in-phase/quadrature (I/Q) data representing energy detected by a radio in a frequency band, performing a fast Fourier transform (FFT) on the I/Q data resulting in a stream of FFT blocks, identifying using the stream of FFT blocks a pulse in the frequency band,... Agent: Edell, Shapiro & Finnan, LLC

20090310662 - Receiving system: A receiving system including a first apparatus and a second apparatus, the first apparatus and the second apparatus being connected through a transmission line, where the first apparatus includes an amplifier that amplifies a received signal, the signal amplified being transmitted to the second apparatus, a converting unit that reflects... Agent: Katten Muchin Rosenman LLP

20090310663 - Systems and methods for data streaming: A method performed by a network device may include determining a transmission bit rate associated with a content, determining a bit rate of a network, determining a number of data streams to be transmitted through the network based on the determined bit rate, where a combined bit rate of the... Agent: Verizon Patent Management Group

20090310664 - Surface rf emitter passive ranging accuracy confirmation algorithm: Kalman gain is used to calculate range accuracy for a passive angle-of-arrival determining systems, most notably for short-baseline interferometry, in which Kalman gain after arriving at a minimum proceeds to within a predetermined fraction or percent of zero gain, at which time the range estimate accuracy is known.... Agent: Bae Systems

20090310665 - Methods and systems for digitally processing optical data signals: Digital signal processing based methods and systems for receiving electrical and/or optical data signals include electrical receivers, optical receivers, parallel receivers, multi-channel receivers, timing recovery schemes, and, without limitation, equalization schemes. The present invention is implemented as a single path receiver. Alternatively, the present invention is implemented as a multi-path... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20090310666 - Adaptive equalizer circuit: An adaptive equalizer circuit includes an equalizer circuit configured to produce an output data signal in response to an equalizing factor, a data detecting circuit configured to detect a signal level of the output data signal in a given unit time at predetermined timing, a boundary detecting circuit configured to... Agent: Arent Fox LLP

20090310667 - Phase control block for managing multiple clock domains in systems with frequency offsets: A circuit for performing clock recovery according to a received digital signal (30). The circuit includes at least an edge sampler (105) and a data sampler (145) for sampling the digital signal, and a clock signal supply circuit. The clock signal supply circuit provides edge clock (25) and data clock... Agent: Rambus Lerner, David, Et Al.

20090310669 - Bitstream conversion method, bitstream conversion apparatus, bitstream connecting apparatus, bitstream splitting program, bitstream conversion program, and bitstream connecting program: A bitstream conversion apparatus for converting a bitstream of a first format, containing content data, into a bitstream of a second format includes: a splitting unit which splits the bitstream of the first format in time sequential fashion into a plurality of split bitstreams of the first format; a plurality... Agent: Staas & Halsey LLP

20090310670 - Information processing system, information processing apparatus, information processing method, and program: An information processing system for performing processing of dividing a moving image into tiles and packetizing and outputting information corresponding to each tile includes a process time measuring packet generation unit adapted to generate and transmit a process time measuring packet in which a packet sending time is set to... Agent: Fitzpatrick Cella Harper & Scinto

20090310668 - Method, apparatus and system for concurrent processing of multiple video streams: A system apparatus and method for concurrent delivery of a plurality of video streams comprising one or more transcoders for bitrate reduction and a cache memory to save copies of transcoded segments. When the total outgoing bitrate of the system exceeds a predefined threshold, the system decides which of the... Agent: Pearl Cohen Zedek Latzer, LLP

20090310671 - System and method for compressing portions of a media signal using different codecs: An input module obtains a media signal to be communicated to a destination system, after which an identification module identifies a plurality of scenes within the media signal. A selection module automatically selects different codecs from a codec library to respectively compress at least two of the scenes. The codecs... Agent: Stoel Rives LLP - Slc

20090310673 - Method and apparatus for controlling a bitrate in a video processing system: The present invention discloses a bitrate control method that includes a process of determining the minimum bitrate satisfying the target quality designated for each frame or scene and a process of encoding each frame using the bitrate for each frame or scene determined above. A designated service quality can be... Agent: H.c. Park & Associates, PLC

20090310672 - Method and system for rate control in a video encoder: A method and system for a rate control block that adjusts the Quantization Parameter (QP) for a frame or macroblock based on the number of bits already used in encoding the frame or macroblock is disclosed. In an embodiment of the invention, the QP for a macroblock is adjusted dynamically... Agent: Partridge Snow & Hahn, LLP

20090310674 - Method and device for coding a sequence of images: m

20090310676 - Processing multiview video: Decoding a multiview video signal comprises receiving a bitstream comprising the multiview video signal encoded according to dependency relationships between respective views, and view-dependency information representing the dependency relationships in a two-dimensional data structure; extracting the two-dimensional data structure and determining the dependency relationships from the extracted data structure; and... Agent: Fish & Richardson PC

20090310675 - Video encoding method, video decoding method, video encoding apparatus, video decoding apparatus, video encoding program, and video decoding program: A video processing system is provided with video encoding apparatus 1 and video decoding apparatus 2. The encoding apparatus 1 outputs a maximum delay time that is incurred by backward prediction, in addition to encoded data D1 resulting from encoding of video data D0. The decoding apparatus 2 effects input... Agent: Ntt Docomo Inc/bhgl

20090310677 - Image encoding and decoding method and apparatus: An image encoding apparatus includes a first selector selecting a prediction-order to sub-blocks obtained by further dividing pixel-blocks obtained by dividing a frame of an input-image-signal from predetermined prediction-orders, a second selector selecting, from prediction-modes regulating a manner of referring to an encoded-pixel when a first-prediction-signal of each-sub-block is generated... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090310678 - Image encoding apparatus, method of controlling the same and computer program: An image encoding apparatus that performs intra-frame predictive encoding is provided. The apparatus includes a partitioning unit configured to partition an inputted macroblock into blocks as processing units, an encoding unit configured to encode each of blocks to be processed using a prediction value for each pixel contained in the... Agent: Fitzpatrick Cella Harper & Scinto

20090310682 - Dynamic image encoding method and device and program using the same: It is possible to provide a dynamic image encoding technique capable of performing high image quality encoding while eliminating formation of a vector field subjectively not desired. A dynamic image encoding device includes: inter-frame prediction means for inter-frame predicting an image in a block unit; motion vector calculation means for... Agent: Sughrue Mion, PLLC

20090310680 - Method and apparatus for decoding/encoding a video signal: A method of decoding a current layer using inter-layer prediction is disclosed. The present invention includes determining whether a position of a current block is included in a sampled reference layer, the current block included in the current layer, obtaining a plurality of prediction flags when the position of the... Agent: Harness, Dickey & Pierce, P.L.C

20090310681 - System for analysis of motion: A computer system for real-time determination of a motion vector comprising an image processor to apply an image processing filter to a normalized frame element of a first image frame, yielding a filtered frame element having associated filtered pixel values, a pixel selector to select a first reference pixel from... Agent: Ladas & Parry LLP

20090310683 - Video coding device and video coding method: A video coding device includes an image-dividing number setting unit and a coding unit in the aims of suppressing an occurrence of a load cache miss when decoding a coded data without increasing a capacity of a cache memory even when a resolution of a video is high. The image-dividing... Agent: Staas & Halsey LLP

20090310679 - Video processing apparatus and methods: A video processing apparatus is provided for interpolating frames between two frames. The video processing apparatus includes a motion estimation unit, a region detector and a motion compensation unit. The motion estimation unit receives the two frames and provides motion vector information of the two frames. The region detector generates... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090310685 - High-yield multi-threading method and apparatus for video encoders/transcoders/decoders with dynamic video reordering and multi-level video coding dependency management: Disclosed is an exemplary video coder and video coding method according to an embodiment of the present invention. The exemplary video coder includes a scheduler, a plurality of processors and a multiplexer. The scheduler can examine processing units in an input buffer to determine an order for the processing unit... Agent: Kenyon & Kenyon LLP

20090310684 - Information processing apparatus and recovery processing method: According to one embodiment, an information processing apparatus includes a recovery module which causes a decording module to decode supplementary slice data when it is determined that the value of the information indicating a position of processing target slice data in the image is inappropriate. The recovery module creates the... Agent: Knobbe Martens Olson & Bear LLP

20090310686 - Distributed decoding device of sequential parallel processing scheme and method for the same: The present invention relates to distributed decoding of sequential parallel processing scheme. More particularly, the present invention relates to distributed decoding of sequential parallel processing scheme, in which a plurality of slices of video stream are separated into headers and bodies, followed by sequentially parsing the headers and parallel decoding... Agent: Greenblum & Bernstein, P.L.C

20090310687 - Method and apparatus for space-time-frequency encoding and decoding: The present invention provides a space-time-frequency encoding and decoding method and apparatus used in a wireless communication system. With the encoding method provided in the invention, transmission code words and their redundant elements are properly allocated on space-time-frequency units, so that the transmission codes and their partial redundancies can be... Agent: Philips Intellectual Property & Standards

20090310688 - Synchronization point detection method and power line communication apparatus: A method for detecting a synchronization point of an alternating power in comparing the alternating waveform with a threshold voltage is provided. The method includes the steps of detecting a rising point at which the voltage of the alternating waveform changes from a level lower than the threshold voltage to... Agent: Dickinson Wright PLLC James E. Ledbetter, Esq.

20090310689 - Method for modulating a carrier signal and method for demodulating a modulated carrier signal: A method for modulating a carrier signal used for transmitting analog or digital message signals is provided. The module k of elliptic functions is used as a modulation parameter instead of the amplitude or the frequency. The carrier signal modulated according to this modulation method is provided with a constant... Agent: Kenyon & Kenyon LLP

20090310694 - Apparatus and method for transmitting and receiving map information in a broadband wireless communication system: A broadband wireless communication system and method are provided. The method includes allocating an orthogonal sequence to a MAP that requires ACKnowledge (ACK) transmission, transmitting the MAP that does not comprise allocation information of the orthogonal sequence, determining whether the orthogonal sequence is detected in an ACK channel allocated for... Agent: JeffersonIPLaw, LLP

20090310692 - Channel access protocol for wireless communication: Method, apparatus, and computer program product embodiments are disclosed to enable an access point in a wireless network to use Orthogonal Frequency-Division Multiple Access (OFDMA) reserve subcarriers of OFDM symbols for transmitting high priority voice data and video data to particular wireless devices, while the access point allocates the remaining... Agent: Locke Lord Bissell & Liddell LLP Attn:IPDocketing

20090310693 - Efficient cqi signaling in multi-beam mimo systems: The present invention relates to the signaling of channel quality information in a multi-beam transmission system, wherein a plurality of beams are simultaneously transmitted and a plurality of sets of channel quality information are transmitted for controlling independently the transmission rate on the different beams. Determined are beams with a... Agent: Philips Intellectual Property & Standards

20090310691 - Methods and systems for carrier frequency offset estimation and correction ofdm/ofdma systems: Methods and apparatus for determining an accurate fractional carrier frequency offset (CFO) adjustment in an orthogonal frequency-division multiplexing (OFDM) or orthogonal frequency division multiple access (OFDMA) system in an effort to properly compensate for the actual CFO between a transmitter and a receiver are provided. This enhanced fractional CFO adjustment... Agent: Qualcomm Incorporated

20090310690 - Methods and systems of agc and dc calibration for ofdm/ofdma systems: Methods and apparatus for automatic gain control (AGC) and DC calibration for orthogonal frequency-division multiplexing (OFDM) or orthogonal frequency division multiple access (OFDMA) systems are provided in an effort to avoid saturation of the analog-to-digital converter (ADC) in a radio frequency (RF) front end of a receiver, to handle dynamic... Agent: Qualcomm Incorporated

20090310695 - Communication apparatus, communication method and computer program: There is provided a communication apparatus, including a transmission pattern generation unit that generates a transmission pattern according to a modulation method, a metric calculation unit that calculates an inter-signal distance between a received signal vector of received signals and an estimation vector, which is a product of channel information... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090310699 - Communication apparatus, communication method, and integrated circuit: A communication apparatus for transmitting transmission data containing a preamble and a postamble is provided. The communication apparatus includes: a phase vector assigning unit which assigns a first phase vector to a plurality of subcarriers relating to the preamble and assigns a second phase vector to a plurality of subcarriers... Agent: Dickinson Wright PLLC James E. Ledbetter, Esq.

20090310700 - Exploiting multiuser diversity through phase modulation multiplexing: A method and apparatus for combining signals of multiple users onto a common channel is disclosed. In one embodiment, the method comprises identifying one or more traffic channels that are of one or more predetermined quality levels to a plurality of subscriber units based on channel profiles of the plurality... Agent: Fulbright & Jaworski L.l.p

20090310696 - Method and apparatus for mapping signals to subcarriers in mimo wireless network: The present invention aims to provide a method for mapping signals to subcarriers in a sending means of a MIMO-based wireless telecommunication network and an apparatus for the same. It is characterized in that, controlling the mapping of the signals in an input signal sequence to the subcarriers, so that... Agent: Fay Sharpe/lucent

20090310701 - Method for transmitting/ receiving signal in mimo system: Disclosed is a method for transmitting a signal in a mobile communications system using a plurality of transmit/receive antennas. A method for transmitting a signal in accordance with an embodiment of the present invention comprises the steps of: a receiving end's calculating a signal to interference noise ratio (SINR) with... Agent: Lee, Hong, Degerman, Kang & Waimey

20090310697 - Multiple-input multiple-output (mimo) transmitter and communication system: A Multiple-Input Multiple-Output (MIMO) transmitter 102 (104) comprises k transmit antennas 1121, 1122, . . . , 112k (1221, 1222, . . . , 122k) and an antenna hopping module 116 (126). The antenna hopping module 116 (126) processes an antenna hopping process for mapping the data streams s1, ,... Agent: Wenderoth, Lind & Ponack L.L.P.

20090310702 - Operation for backward-compatible transmission: The disclosure relates to a transmitter in a transmission system operable to optimize estimates of a quantity at a receiver for improved operation. The transmission system includes a transmitting means connected to a number of antennas (Txm), and to control means. The control means controls the transmitting means to initially... Agent: Spryip, LLC Ifx

20090310698 - Wireless communication systems: A method of requesting a plurality of different characteristic indicators from a second communication apparatus (MS) in a wireless communication network comprising a first communication apparatus (BS) and a plurality of such second communication apparatuses (MS) which communicate with the first communication apparatus using a shared communication frame, the method... Agent: Myers Wolin, LLC

20090310703 - Sequence generating method for efficient detection and method for transmitting and receiving signals using the same: A sequence generation method for allowing a reception end to effectively detect a sequence used for a specific channel of an OFDM communication system, and a signal transmission/reception method using the same are disclosed. During the sequence generation, an index is selected from among the index set having the conjugate... Agent: Lee, Hong, Degerman, Kang & Waimey

20090310704 - Low complexity systems and methods for peak-to-average ratio (par) reduction using reserved tones: Systems and methods for reducing the peak-to-average ratio (PAR) at the transmitter can reduce the dynamic range required in various analog components. PAR can be reduced by applying a time-domain compensation signal which reduces the magnitude of peaks in the time-domain signal prior to transmission where the time-domain compensation signals... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090310705 - Ofdm-modulated-wave output unit and distortion compensating method: OFDM (orthogonal frequency division multiplex)-modulated wave output unit. An amplitude extraction section (108) extracts amplitude of an OFDM-modulated wave. A power-amplifier control section (114) sets the power supply of a power amplifier (113) to exceed the rated power when the extracted amplitude exceeds a specific amplitude, to expand the saturation... Agent: Sughrue Mion, PLLC

20090310707 - Transmitter and method for transmitting soft pilot symbols in a digital communication system: A transmitter, channel coder, and method for coding and transmitting a sequence of symbols in a digital communication system utilizing soft pilot symbols. In one embodiment, the transmitter transmits a set of soft pilot symbols with higher reliability than the remaining symbols in the sequence by modulating the soft pilot... Agent: Ericsson Inc.

20090310708 - Transmitter and method for transmitting soft pilot symbols in a digital communication system: A transmitter, channel coder, and method for coding and transmitting a sequence of symbols in a digital communication system utilizing soft pilot symbols. In one embodiment, the transmitter transmits a set of soft pilot symbols with higher reliability than the remaining symbols in the sequence by modulating the soft pilot... Agent: Ericsson Inc.

20090310706 - Transmitter and receiver using pseudo-orthogonal code: t

20090310709 - Amplitude modulated pulse transmitter: An amplitude modulated pulse transmitter designed to operate across a multi MHz range of modulation frequencies. A wire wound rare earth magnet is to be utilized instead of the typical modulation transformer. Additionally, a plurality of electrolytic capacitors are also employed in the transmitter.... Agent: Hoffman Wasson & Gitler, P.c Crystal Center 2, Suite 522

20090310710 - Crest factor reduction with phase optimization: A system for reducing peaks comprises a processor and a memory. The processor is configured to determine a phase offset for each of a plurality of input signals. The phase offset for each of the plurality of input signals are determined using one or more trials of phase offsets to... Agent: Van Pelt, Yi & James LLP

20090310711 - Transmitter and receiver capable of reducing in-phase/quadrature-phase (i/q) mismatch and an adjusting method thereof: An adjusting method for reducing in-phase/quadrature-phase (I/Q) mismatch in a transmitter includes the steps of: a) receiving a first in-phase signal and a first quadrature-phase signal; b) adjusting a set of parameters such that an extent of I/Q mismatch related to the first in-phase signal and the first quadrature-phase signal... Agent: Jacobson Holman PLLC

20090310714 - Method and apparatus for channel estimation: The invention relates to DVB-T system, and in particular, to a channel estimation method for OFDM symbols. A plurality of symbols are received to generate a pilot response. A finite impulse response is generated from the pilot response. A coefficient table is selected based on the characteristics of the finite... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090310713 - Receiving apparatus, receiving method, and program: The present invention provides a receiving apparatus including: a capturing section configured to correct an error of a receive signal and capture the receive signal; a filtering section configured to remove a low frequency component of a signal indicative of an integrated value of an error of the receive signal;... Agent: Frommer Lawrence & Haug LLP

20090310712 - Wireless receiver: A wireless receiver (100) comprises: a local oscillator (101) for discontinuously changing a band of a local oscillation signal corresponding to a frequency band of an RF signal to be received and outputting the local oscillation signal; frequency converter (102) for converting the RF signal into an IF signal by... Agent: Wenderoth, Lind & Ponack L.L.P.

20090310715 - Receiver and method for processing radio signals using soft pilot symbols: A receiver and method for receiving and processing a sequence of transmitted symbols in a digital communication system utilizing soft pilot symbols. A set of soft pilot symbols are transmitted with higher reliability than the remaining symbols in the sequence by modulating the soft pilot symbols with a lower order... Agent: Ericsson Inc.

20090310716 - Channel bit detection system: A channel bit detection system is provided. The channel bit detection system includes an RF front end, an analog-to-digital converter, a combiner, a length estimator, a length accumulator, an offset control, and a channel bit detector. The RF front end receives an RF signal, and is then digitized at a... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090310718 - Data distribution system and reception apparatus: In a data distributing party, original data is divided into sub-blocks. Each sub-block is encoded according to a predetermined encoding/decoding formula, to divide each sub-block into sub-symbols. In the predetermined encoding/decoding formula, data prior to encoding can be restored by obtaining a predetermined number of data from data posterior to... Agent: Posz Law Group, PLC

20090310717 - Signal converters: A signal converter. The signal converter converts an analog inphase signal and an analog quasdrature phase signal into a digital baseband inphase signal and a digital baseband quadrature phase signal. The analog inphase signal and the analog quadrature phase signal are orthogonal to each other and are carried in a... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090310719 - Equalizing structure and equalizing method: An equalizing structure and method for a wireless communication system receiving device, in which two or more transmit signals transmitted in parallel from one or more transmitters are received in received signal vectors representing two or more received data streams, the signals including information modulated onto carrier signals according to... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090310720 - Equalizing structure and equalizing method: An equalizing structure and method for a wireless communication system receiving device. Two or more transmit signals transmitted in parallel from one or more transmitters are received in received signal vectors representing two or more received data streams, the signals including information modulated onto carrier signals according to a modulation... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090310721 - Opportunistic intermediate frequency selection for communication receivers: A method of selecting an intermediate frequency (fIF) is disclosed (FIG. 7). The method includes measuring a first signal quality (704) on a first channel at a first intermediate frequency. The method further includes measuring a second signal quality (706) on the first channel at a second intermediate frequency. The... Agent: Texas Instruments Incorporated

20090310722 - Tracking system: The present invention relates to a tracking system comprised in a receiver, which tracking system is operable to track rapid changes in frequency and phase offset. The tracking system comprises a first system operable to perform a pilot-based phase and frequency tracking. The tracking system also comprises a second system... Agent: Spryip, LLC Ifx

20090310723 - Automatic gain control circuit: Circuits (an AGC amplifier 8 and a second A/D converting circuit 9) for detecting an antenna level of a disturbing wave are provided on an output of a frequency converting circuit 4, and levels of antenna ends of a desirable wave and the disturbing wave are calculated by a DSP... Agent: Smith Patent Office

20090310724 - Interference mitigation for devices with multiple receivers: Methods and systems for mitigating interference or estimating a covariance matrix in a communication system are disclosed. In some embodiments, a method of demodulating a received signal in a communication system includes receiving a first plurality of waveforms, estimating a covariance matrix based on the first plurality of waveforms, determining... Agent: Knobbe Martens Olson & Bear LLP

20090310725 - Space domain filter detecting method in a multi-antenna wireless communication system: A space domain filter detecting method in a multi-antennas wireless communication system, processing differently with the interference from the time domain and the space domain, which proceeds the interference elimination in matched filter manner for the interference signals from all antennas in the other time, and proceeds the filtering in... Agent: Christie, Parker & Hale, LLP

20090310726 - method for receiving and processing frames and a device having frame receiving and processing capabilities: A device having frame receiving and processing capabilities and a method for receiving and processing frames. The method includes: receiving a frame; associating a frame timestamp with the frame; storing the frame and the associated timestamp at a certain buffer out of a group of buffers; generating a valid timing... Agent: Freescale Semiconductor, Inc. Law Department

20090310727 - Method and device for the generation of out-of-phase binary signals, and use of the same: A method for the generation of binary signals (So1, So2, So3) which are out-of-phase with a control phase angle (?) which is continuously variable in relation to at least one synchronisation binary signal from a set of synchronisation binary signals (Si1, Si2, Si3) which have the same variable period, such... Agent: Berenato & White, LLC

20090310728 - In-situ jitter tolerance testing for serial input output: According to some embodiments, a method and apparatus are provided to generate a sine wave via a jitter modulator to modulate a control voltage of a clock source. The jitter modulator is in-situ on a die. The sine wave is received at a clock and data recovery circuit comprising the... Agent: Buckley, Maschoff & Talwalkar LLC

20090310729 - Circuit for correcting an output clock frequency in a receiving device: An output clock correction circuit (14) for correcting a frequency of an output clock in a receiving device (13) that receives data (16) and a time stamp component (18) includes an output clock feedback loop (20), a FIFO buffer (22) and a time stamp adjuster (24). The output clock feedback... Agent: Roeder & Broder LLP

20090310730 - Frequency detector and phase locked loop having the same: A frequency detector includes an error measurement unit measuring a time interval between zero-crossing points of an input signal that is modulated. An error conversion unit quantizes the measured time interval using one of modulation time intervals. An error calculation unit calculates a frequency error based upon a difference between... Agent: F. Chau & Associates, LLC

20090304044 - Frequency-hopping arrangement: A frequency-hopping arrangement comprises a basic-frequency branch (DIV1), an offset-frequency branch (DIV2, DIV3, SCC), and a controllable frequency converter (SBM, FSC). The basic-frequency branch (DIV1) receives an oscillator signal (OS) having an oscillator-signal frequency (7920 MHz). The basic-frequency branch has a frequency-division factor (/2) so as to provide a basic-frequency... Agent: Philips Intellectual Property & Standards

20090304045 - Method and device for transmitting data between a communication network unit and a plurality of communication devices: A method for transmitting data between a communication network unit and a plurality of communication devices is provided, comprising using a plurality of carrier signals grouped into at least one carrier signal group, determining a subset of communication devices of the plurality of communication devices, and using the at least... Agent: Choate, Hall & Stewart LLP

20090304046 - Digital repeater module and method for relaying digital data: There is provided a digital repeater module and method for relaying digital data. The digital repeater module comprises a data reception unit configured to receive digital data from several broadcast devices concurrently, a data transmission unit configured to transmit digital data using a multiple transmission protocols concurrently, and a routing... Agent: Disney Enterprises C/o Farjami & Farjami LLP

20090304047 - Method of controlling interference between communication terminals: A method of controlling interference between communication terminals involves sending a notification of a desire to transmit a transmission over a wireless network from a first terminal; determining whether any terminal in the process of receiving has sent an objection in response to the notification; sending the transmission if no... Agent: Staas & Halsey LLP

20090304048 - Combining signals with a shuffled-hadamard function: A method can include receiving, at a transmitter, during a symbol time that comprises a plurality of chip times, a data value for each of a plurality of distinct data channel inputs. During each chip time, the method can include (a) indexing a different row of a matrix of data... Agent: Fish & Richardson P.C.

20090304049 - Structure low complexity for implementing the mpic interference canceller: This device is suitable for receiving from a multipath propagation channel a base-band spread-spectrum analog signal) conveying symbols. It has a structure with at least two stages each comprising a block for estimating said symbols and, with the exception of the final stage, a block for regenerating interference using the... Agent: Cohen, Pontani, Lieberman & Pavane LLP

20090304051 - Method and apparatus for reducing the time required to acquire a gps signal: A method of correlating a digital communications signal is described. In an example, a window is defined equal to a portion of an epoch of the digital communication signal. The digital communication signal is then correlated across the window. A determination is made as to whether a correlation peak results... Agent: Mcandrews Held & Malloy, Ltd

20090304050 - Method in a cdma receiver using hardware and software in acquisition, tracking and hosting: A method including: using both dedicated circuitry and a programmable processor system for acquisition of a communication channel; and using the dedicated circuitry for tracking the acquired communication channel while using the programmable processor system for hosting an application that uses information dependent upon data dependent on the acquired communication... Agent: Banner & Witcoff, Ltd.

20090304052 - System and method for making busses limited to a linear topology extensible to other topologies: A communication system and method includes a main bus that operates in accordance with a standard limited to a linear topology, a bus controller coupled to the main bus and configured to send and receive messages on the main bus, and a first remote terminal coupled to the main bus... Agent: General Electric Company Ge Global Patent Operation

20090304053 - Digital modulator, digital modulating method, digital transceiver system, and testing apparatus: Provided is a digital modulator, including a carrier wave output section that outputs a carrier wave, a variable delay section that delays the carrier wave, and a delay amount setting section that sets a delay amount by which the variable delay section delays the carrier wave based on transmission data... Agent: Jianq Chyun Intellectual Property Office

20090304054 - Serdes with jitter-based built-in self test (bist) for adapting fir filter coefficients: A first device transmits data over a first branch of a communications link toward a second device. That second device loops the received data pattern back over a second branch of the communications link. A bit error rate of the looped back data pattern is determined and a pre-emphasis applied... Agent: Stmicroelectronics, Inc.

20090304059 - Connecting cable length detector: Disclosed are embodiments for determining the length of a connecting cable between a modem and a transceiver by measuring the propagation time of a signal along the connecting cable. A cable length signal is used to adjust the gain of the modem, that ensures that the transceiver circuit operates in... Agent: Cochran Freund & Young LLC

20090304055 - Messenger strand mounted pico-cell radio: A messenger strand mounted low-power pico-cell radio, having its own environmentally controlled box, mounted on utility messenger strands, connects to the cable using the Internet protocol (IP) for back-haul, and has in-band monitor and control capability. These pico-cell radios also receive power through the same cable connection. The configuration control... Agent: Glenn Patent Group

20090304056 - Signal suspension and resumption in dsl systems: A method includes maintaining temporally parallel DSL data communication sessions with DSL modems of a group via a set of lines. The method includes, in response to substantially stopping to receive DSL communications from one of the DSL modems via one of the lines, transmitting a substantially reduced average power... Agent: Lucent Technologies Inc. Docket Administrator

20090304057 - System and method of an in-band modem for data communications over digital wireless communication networks: A system is provided for transmitting information through a speech codec (in-band) such as found in a wireless communication network. A modulator transforms the data into a spectrally noise-like signal based on the mapping of a shaped pulse to predetermined positions within a modulation frame, and the signal is efficiently... Agent: Qualcomm Incorporated

20090304058 - System and method of an in-band modem for data communications over digital wireless communication networks: A system is provided for transmitting information through a speech codec (in-band) such as found in a wireless communication network. A modulator transforms the data into a spectrally noise-like signal based on the mapping of a shaped pulse to predetermined positions within a modulation frame, and the signal is efficiently... Agent: Qualcomm Incorporated

20090304060 - Probing and estimation of cross-coupling: Embodiments related to probing and estimation of cross-coupling in a Vector transmission system are described and depicted.... Agent: Infineon Technologies Ag Patent Department

20090304061 - Blind channel quality estimator: An embodiment is a method and apparatus to estimate channel quality. An absolute processor computes absolute real and imaginary values of real and imaginary parts, respectively, of output of a demodulator. A phase count unit generates first and second phase counts representing deviations from zero phase noise using the absolute... Agent: Maxim/bstz Blakely Sokoloff Taylor & Zafman LLP

20090304064 - Adaptive equalizer and method thereof: The present invention relates to an adaptive equalizer and an adaptive equalizing method. The adaptive equalizer comprises an adaptive equalizing unit, for adaptively equalizing an inputted signal to output the equalized signal; a coefficient updating unit, for updating a coefficient of a filter of the adaptive equalizing unit; a switching... Agent: Staas & Halsey LLP

20090304062 - Dtmb-based carrier mode detection system and receiving system having the same: A Digital Terrestrial Multimedia Broadcasting (DTMB)-based carrier mode detection system includes first and second TPS decoders, first and second carrier calculators and a determinator. The first and second TPS decoders respectively receive NTPS input signals to thereby produce the corresponding NTPS mask signals and to respectively perform an absolute operation... Agent: Bacon & Thomas, PLLC

20090304063 - Equalizer based receiver operation method and apparatus in a mobile communication system: An equalizer based receiver operation method and apparatus in a mobile communication system are provided. The method includes estimating a channel for a multi path receive signal, analyzing a delay profile of a multi path channel, and selecting a tap position from a plurality of tap positions of an equalizer... Agent: JeffersonIPLaw, LLP

20090304065 - Transmitting/receiving system and method of processing broadcast signal in transmitting/receiving system: A receiving system and a method of processing data are disclosed herein. The receiving system a signal receiving unit, a known sequence detector, a first equalization unit, a second equalization unit, a block decoder, and an error correction unit. The signal receiving unit receives a broadcast signal including a data... Agent: Lee, Hong, Degerman, Kang & Waimey

20090304066 - Systems and methods for speculative signal equalization: Various embodiments of the present invention provide systems and methods for signal equalization, and in some cases analog to digital conversion. For example, an analog to digital converter is disclosed that includes a comparator bank that receives a reference indicator and is operable to provide a decision output based at... Agent: Hamilton,desanctis & Cha (lsi)

20090304067 - System and method for effectively transferring electronic information: A system and method for effectively transferring electronic information includes a transmitter with an encoder that performs a parity encoding procedure. The encoder creates parity blocks for embedding in transmission packets. The parity blocks may be based upon data segments from one or more of the transmission packets. The system... Agent: Gregory J. Koerner Redwood Patent Law

20090304069 - Inline audio/visual conversion: A system, method, and apparatus for inline audio/visual conversion are described. Power to an inline converter is provided over the A/V cable that couples the converter to a destination such as a selector.... Agent: Blakely Sokoloff Taylor & Zafman LLP

20090304068 - Method and apparatus for decoupling frame number and/or picture order count (poc) for multi-view video encoding and decoding: There is disclosed and described a decoder and decoding method for decoding at least one picture corresponding to at least one of at least two views of multi-view video content from a bitstream, wherein in the bitstream at least one of coding order information and output order information for the... Agent: Thomson Licensing LLC

20090304071 - Adaptive application of entropy coding methods: Disclosed is an exemplary video coder and method that provide a video decoder control method for analyzing data to schedule coding of the data. Input data may be encoded to a plurality of different encoding. It may be determined if a minimum number of the plurality of different encodings comply... Agent: Kenyon & Kenyon LLP

20090304072 - Bit rate converter and bit rate conversion method: A bit rate converter for converting a first encoded animation image data to a second animation image data, having a different bit rate. The converter stores an assessment value indicating the importance level within each reproduction time interval with respect to the first animation image data. Second animation image data... Agent: Mattingly & Malur, P.C.

20090304070 - Method allowing compression and protection parameters to be determined for the transmission of multimedia data over a wireless data channel: A method allowing operating parameters, such as the compression ratio and/or the protection ratio for a multimedia data transmission channel to be determined, wherein it includes at least one step during which several values of sensitivity are determined for pairs of values fixed source bit-rate, desired compression ratio, a step... Agent: Darby & Darby P.C.

20090304073 - Systems and methods for the bandwidth efficient processing of data: The present invention is directed towards an improved method and system for compressing video images. In one embodiment, the system of present invention performs compression of digital video by converting pixels from the red, green and blue (RGB) color space to the luminance color, blue color difference and red color... Agent: Patentmetrix

20090304074 - Image decoding method, device therefore, and program: A lower hierarchical decoder (100) decodes lower hierarchical data (1001), and creates a prediction error signal (1004). A switch (107) accepts a decode hierarchical instruction signal (1100) indicating which of the upper and lower hierarchies a hierarchical image decoding device decodes, and switches a prediction decode processing. In case the... Agent: Foley And Lardner LLP Suite 500

20090304076 - Memory arrangement method and system for ac/dc prediction in video compression applications based on parallel processing: A memory arrangement method and system for AC/DC prediction in video compression applications based on parallel processing is disclosed. The method and system achieves optimum operating efficiency for data operation and reading based on parallel computing characteristics (Single Instruction Multiple Data (SIMD)) of an operation unit of the system. Additionally,... Agent: Quintero Law Office, PC

20090304075 - Moving image processing method, program of moving image processing method, recording medium having program of moving image processing method recorded thereon, and moving image processing apparatus: The present invention is applied, for example, to a moving image encoding apparatus and decoding apparatus based on ITU-T H.264. Syntax elements with a high frequency of appearance are processed using probability state variables held in a second memory 13 whose access latency is small, and other syntax elements are... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20090304077 - Refresh method and apparatus: Apparatuses and methods for improving coding processes and coding parameters for coding video data are provided for. A coder may select coding parameters for video data according to a default coding policy. The default coding policy may include selection of prediction modes (e.g., intra-coding or inter-coding) for each pixel group... Agent: Kenyon & Kenyon LLP

20090304078 - Variable length decoder and animation decoder therewith: The variable length decoder has a memory device including a plurality of lookup tables, and sequentially decodes codewords of variable-length codes using the memory device. The decoded values corresponding to the codewords and control information pieces are stored in the lookup tables. In decoding one codeword, one lookup table is... Agent: Miles & Stockbridge PC

20090304079 - Frame or field mode coding method: e

20090304081 - Coding device and method for scalable encoding of movie containing fields: A coding device (D1), for an electronic equipment, comprises coding means (CM) for encoding movie data into a compressed scalable bitstream (SVB), starting from at least one interlaced base layer (BL) comprising interlaced fields, amongst which some are duplicated fields associated to a field repeat flag, and at least one... Agent: Philips Intellectual Property & Standards

20090304082 - Extracting features of video & audio signal conten to provide reliable identification of the signals: Signatures that can be used to identify video and audio content are generated from the content by generating measures of dissimilarity between features of corresponding groups of pixels in frames of video content and by generating low-resolution time-frequency representations of audio segments. The signatures are generated by applying a hash... Agent: Dolby Laboratories Inc.

20090304080 - Method for coding an image sequence: g

20090304084 - Combined motion vector and reference index prediction for video coding: A system and method for improving the coding efficiency of motion vector information in video coding. According to various embodiments, a list of motion vector predictor candidates is arranged according to predefined rules. Each motion vector also has a reference index associated with it. One of the motion vector candidates... Agent: Nokia, Inc.

20090304083 - Method for obtaining image reference block in a code of mode of fixed reference frame number: The present invention discloses a “rounding to zero” method which can maintain the exact motion vector and can also be achieved by the method without division so as to improve the precision of calculating the motion vector, embody the motion of the object in video more factually, and obtain the... Agent: Merchant & Gould PC

20090304085 - Adaptive deblocking complexity control apparatus and method: An encoder to adaptively alter video deblocking complexity is disclosed in one embodiment of the invention as including a video encoding engine to generate a stream of encoded video data. The encoded video data is characterized by a level of blocking distortion generated during the encoding process. A deblocking filter... Agent: Stevens Law Group

20090304087 - Frame coding and field coding judgment method, image coding method, image coding apparatus, and program: To provide a method for increasing accuracy in judgment between frame coding and field coding without increasing the processing amount of motion compensation. The frame coding or field coding judging method includes specifying, in a reference picture, a corresponding block which corresponds to a current block to be coded, obtaining... Agent: Wenderoth, Lind & Ponack L.L.P.

20090304086 - Method and system for video coder and decoder joint optimization: Embodiments of the present invention provide apparatuses and methods of coding video. The apparatuses and methods may further provide coding a source video sequence according to a block-based coding process, estimating processing capabilities of a target decoder, determining if the estimated processing capabilities are sufficient to perform deblocking filtering. If... Agent: Kenyon & Kenyon LLP

20090304089 - Reproduction processing apparatus, reproduction processing method, and computer program: A reproduction processing apparatus includes: a decoding unit that executes decoding processing for coded data; a decoding-processing scheduling unit that sets a sequence of the decoding processing in the decoding unit; and a display-frame selecting unit that selects a display frame from a decoding result in the decoding unit. The... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20090304088 - Video-sound signal processing system: A video-sound signal processing system is provided with a video decoder and sound decoder. The video decoder outputs a decoded image signal and decoding information. The sound decoder outputs decoded sound signal. Scene change between preceding and current video scenes is detected in a video scene change detection unit, on... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090304091 - Method and apparatus for decoding/encoding of a scalable video signal: In decoding for a data layer for received SNR enhancement, provided is a decoding method including the steps of extracting number information for selector information related to a set of base values in coding data of a plurality of blocks in an arbitrary picture belonging to the received data layer... Agent: Harness, Dickey & Pierce, P.L.C

20090304090 - Method for scalable video coding: A method for estimating motion for the scalable video coding, includes the step of estimating the motion field of a sequence of photograms which can be represented with a plurality of space resolution levels including computing the motion field for the minimum resolution level and, until the maximum resolution level... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090304092 - Low offset input circuit and transmission system with the input circuit: A low offset input circuit and a signal transmission system which can accommodate a high-speed interface and achieve reduction of an offset voltage are provided. An offset voltage compensating circuit block 103 having an input circuit block 108 including an input circuit 104 and an adder-subtractor circuit block 105, switches... Agent: Juan Carlos A. Marquez C/o Stites & Harbison PLLC

20090304093 - Transmitting device, communication system and method using a medium: A transmitting apparatus, a communication system, and a communication method, using a medium, are disclosed. The transmitting apparatus includes an information processing unit for acquiring information about the medium and converting the information into an electric signal, a transmitting electrode for receiving the electric signal and transmitting the electric signal... Agent: Workman Nydegger 1000 Eagle Gate Tower

20090304099 - Digital signal transmission and reception: A digital signal transmitter in which multiple data streams are each transmitted by modulation of a respective frequency band within one of a group of frequency channels, the frequency bands each occupying no more than a predetermined maximum bandwidth less than or equal to the channel width; comprises means for... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090304094 - Dual carrier modulation soft demapper: An Orthogonal Frequency Division Multiplexing (OFDM) communication system with a transmitter and a receiver. The transmitter is arranged to transmit channel estimation sequences on each of a plurality of band groups, or bands, and to transmit data on each of the band groups or bands. The receiver is arranged to... Agent: Smith Frohwein Tempel Greenlee Blaha, LLC

20090304102 - Generating signals for transmission of information: A method for generating a signal is presented. The method includes selecting a first set of carrier frequencies that are integral multiples of a first frequency interval, and selecting a second set of carrier frequencies that are integral multiples of a second frequency interval. The second frequency interval is an... Agent: Fish & Richardson PC

20090304101 - Intelligent power system and methods for its application: Methods and systems for injecting information into a power signal, and techniques to capture the injected information are disclosed. Various processes for using the information are also presented, which may relate to the type of device receiving the information. Moreover, techniques for determining the distance of a consumer device are... Agent: Hogan & Hartson LLPIPGroup, Columbia Square

20090304100 - Interference reduction between ofdm carriers by frequency offset optimization: Systems and methodologies are described that facilitate signal separation across different carriers within a wireless communications environment. The systems and methods can identify a carrier spacing that can be based upon a tone spacing associated with two or more carriers. Such carrier spacing can be employed within a network in... Agent: Qualcomm Incorporated

20090304098 - Method of transmitting control signals in wireless communication system: A method of transmitting control signals in a wireless communication system is provided. The method comprises allocating at least one control signal in a control channel region comprising a plurality of tiles, each tile consisting of a plurality of consecutive subcarriers in a frequency domain on a plurality of orthogonal... Agent: Mckenna Long & Aldridge LLP

20090304096 - System and method for randomized antenna allocation in asynchronous mimo multi-hop networks: A system and method for simultaneous and asynchronous transmissions in multi-antenna multi-hop networks. The system and method employ randomized and non-greedy resource allocation to counter starvation. The system and method define a class of asynchronous random access protocols subsuming MIMO systems via two components. Residual Capacity Estimation and Randomized Resource... Agent: 24ip Law Group Usa, PLLC

20090304097 - Transmitting apparatus and method using tone reservation in ofdm system: The present invention relates to an apparatus and a method for transmitting orthogonal frequency division multiplexing (OFDM) signals using a tone reservation scheme. Preferably, the present invention comprises an inserter to add a transmit format indicator (TFI) to an encoded packet, the TFI including a tone reservation rate for a... Agent: Lee, Hong, Degerman, Kang & Waimey

20090304095 - Wireless communication system compensating for interference and related methods: A wireless communication system may include first and second wireless communications devices communicating with one another via a wireless communications link having a settable link characteristic. The first and second wireless communications devices may include respective first and second wireless transceivers and respective first and second controllers coupled thereto. The... Agent: Allen, Dyer, Doppelt, Milbrath & Gilchrist

20090304105 - Method and apparatus to select coding mode: Briefly, an apparatus and method to transmit data stream by using a multiple-input-multiple-output (MIMO) transmitters receivers system. The MIMO transmitters receivers system may include a coding mode selector to select a coding mode of each orthogonal frequency division multiplexing (OFDM) sub-carrier symbol of a first and second sub-carriers of a... Agent: Pearl Cohen Zedek Latzer, LLP

20090304106 - Method and apparatus to select coding mode: An apparatus and method that may adaptively select a coding mode of an OFDM sub-carrier symbol of a data stream according to a feedback data packet having the coding information of the OFDM sub-carrier.... Agent: Pearl Cohen Zedek Latzer, LLP

20090304103 - Power allocation method for mimo transmit beamforming: A transmit power allocation method for computing a transmit beamforming W matrix for a N streams of data, the method has a first step of measuring a receive channel characteristic H matrix, a second step of decomposing the H matrix into a U matrix which is formed from the left... Agent: Jay Chesavage

20090304104 - Transmission/reception methods and modules for a multiple-carrier multiple-antenna system using training sequences: The present invention relates to a transmission method and device suitable for a system using Nt transmit antennas TXi and Nr receive antennas RXj. The symbols transmitted are inserted in a time-frequency frame that contains a training sequence. Each training sequence is constructed from replicas of a basic training sequence.... Agent: Drinker Biddle & Reath LLP Attn: Patent Docket Dept.

20090304107 - Wireless transmitting and receiving device and method: A wireless device, method, and signal for use in communication of a wireless packet between transmitting device and a wireless receiving device via a plurality of antennas, wherein a signal generator generates wireless packet including a short-preamble sequence used for a first automatic gain control (AGC), a first long-preamble sequence,... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090304108 - Method and apparatus for improving papr in ofdm or ordma communication system: A method and apparatus for diminishing a peak power to average power ratio (PAPR) in an OFDM/OFDMA communication system are disclosed, by which complexity in an OFDM/OFDMA communication system can be reduced. In an OFDM or OFDMA communication system, the present invention includes a circular shift module circularly shifting to... Agent: Lee, Hong, Degerman, Kang & Waimey

20090304110 - Cognitive radio communication system using multiple input multiple output communication scheme: A cognitive radio communication system using a multiple input multiple output (MIMO) communication technology is provided. A cognitive radio base station includes a plurality of antennas, a group setting unit to set at least one sensing terminal group that includes at least one sensing terminal among a plurality of terminals,... Agent: North Star Intellectual Property Law, PC

20090304109 - Retransmission method for harq in mimo systems: In a closed-loop wireless communication system (200), a codeword retransmission scheme is provided which allows retransmission of a single codeword using a higher order transmission rank, which may or may not be the same as the higher order transmission rank used to originally transmit the codeword. When one of a... Agent: Hamilton & Terrile, LLP - Freescale

20090304111 - Decoding device and method: A decoding device and method for decoding an LDPC code with high accuracy while suppressing an increase of the scale of a device. A check node calculator (181) performs check node calculations including calculations of a nonlinear function φ(x) and its inverse function φ−1(x) of the nonlinear function so as... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090304112 - Scheme to alleviate signal degradation caused by digital gain control loops: An amplifier (10) comprises a digitally clocked automatic gain control loop (11, 12, 13, 14). A Pseudo random clock generator (14) generates the clock signals for the loop. The application introduces a scheme which reduces sidebands caused by digital gain control loops. The effect of gain control on a system... Agent: Ratnerprestia

20090304113 - Optimal blind channel estimation for dqpsk demodulation: An apparatus and method are described that provide an optimal blind channel estimation approach for a differential quadrature phase shift keying (DQPSK) modulation communication receiving system. The described blind channel estimation technique takes advantage of the characteristics of DQPSK constellations and the fact that estimates of relative channel phase distortion,... Agent: Qualcomm Incorporated

20090304117 - Concatenated coding/decoding in communication systems: A method and apparatus for improving performance in communication systems is provided. In one implementation received encoded data is decoded using an inner rateless decoder to produce a series of decoded rateless outputs. The series of decoded rateless outputs is combined to produce a block, and the block is decoded... Agent: Thomson Licensing LLC

20090304115 - Decoding media content at a wireless receiver: A wireless receiver (17), in the form of a mobile telephone, comprises a DAB receiver (31) and a GSM/GPRS transceiver (29) which enables bi-directional point-to-point data communications via a service provider (55). The DAB receiver (31) is arranged to receive media data from an over-the-air broadcast channel, the media data... Agent: Nixon & Vanderhye, PC

20090304118 - Diversity receiving device: A diversity receiving device includes a plurality of mixers which are provided to correspond to antennas arranged so as to be separated from each other and each of which multiplies a radio frequency signal output from the corresponding antenna by a local oscillation signal to modulate the radio frequency signal... Agent: Brinks Hofer Gilson & Lione

20090304116 - Hardware engine to demod simo, mimo, and sdma signals: An apparatus including a configurable demodulation architecture which includes a control module and a demodulation engine. The control module includes a set of one or more control fields. The demodulation engine includes a spatial whitening module, a Minimum Mean Square Estimation (MMSE) module, at least a first Maximal Ratio Combining... Agent: Qualcomm Incorporated

20090304114 - Method for decoding digital information encoded with a channel code: The performance of multiple-input multiple-output (MIMO) systems, employing coding with multiple antennas depends heavily on the demapper algorithm which is used for MIMO detection. Soft-output demappers lead to better bit error rate (BER) performance compared to hard-decision demappers, but have a higher implementation complexity. The algorithm, proposed in this paper,... Agent: Marshall, Gerstein & Borun LLP

20090304119 - Receiving apparatus, receiving method and wireless communication system: There is provided a receiving apparatus including a plurality of antennas, a power detection unit to detect received power of respective received signals received by the plurality of antennas, and a plurality of reception processing units that includes a first reception processing unit to perform reception processing with a first... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090304120 - Wireless communication system with improved broadcast coverage: Techniques to transmit data with cyclic delay diversity and pilot staggering are described. For cyclic delay diversity, OFDM symbols having different cyclic delay durations are generated. The cyclic delay durations for the OFDM symbols may be selected to be time varying with respect to the cyclic delay durations for OFDM... Agent: Qualcomm Incorporated

20090304123 - Apparatus and method for detecting signal in mimo system: An apparatus and method for detecting a signal in a Multiple-Input Multiple-Output (MIMO) system are provided. The method includes filtering each stream of a received signal, acquiring a new search space by acquiring a set of candidates having reliability greater than a threshold with respect to each filtered stream, and... Agent: The Farrell Law Firm, LLP

20090304125 - Iterative receiver and method for detecting transmitted signal thereof: In an iterative receiver, a signal detector estimates interference from an estimated transmitted signal, and cancels the estimated interference from a signal received through an antenna. A decoder performs channel decoding by using the interference cancelled received signal. A soft decision unit performs a soft decision process on the transmitted... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20090304121 - Receiver architecture: A wireless receiver uses a joint detection Viterbi (JDV) algorithm to demodulate a signal that has a desired signal component and an interference signal component. The desired signal component includes a training sequence and at least one data field. The training sequence and a corresponding portion of the interference signal... Agent: Fish & Richardson PC

20090304122 - Receiver architecture: A receiver adaptively selects between a joint detection Viterbi demodulator and a second Viterbi demodulator to demodulate a received signal based on at least one characteristic of the received signal. The joint detection Viterbi demodulator jointly demodulates a desired signal component and an interference signal component of the received signal,... Agent: Fish & Richardson PC

20090304124 - Reduced-complexity multiple-input, multiple-output detection: A wireless receiver detects signals generated with a multiple-input, multiple-output (MIMO) transmitter. The receiver applies maximum-likelihood detection (MLD) for soft-output signal detection, where an MLD exhaustive search across all candidate vectors is performed recursively by computing and accumulating the differences between, for example, the Euclidean metrics of consecutive candidate tests.... Agent: Mendelsohn, Drucker, & Associates, P.C.

20090304127 - Narrow band receiver: An RF receiver comprises a signal processor arranged to perform a method of decoding data contained within a signal that comprises a set of slots, at least one said slot comprising a preamble portion and a payload portion and being transmitted at a predetermined transmission frequency. The signal processor is... Agent: Bainwood Huang & Associates LLC

20090304126 - Ofdm communication device and guard interval length decision method: Even if background noise is present, it is possible to control a guard interval length so that a minimum required SINR can be obtained. An OFDM communication device (10) includes: a correlation calculation unit (14) for calculating a correlation between a series of symbols to be received and a held... Agent: Hogan & Hartson L.L.P.

20090304128 - Packet detection apparatus and method, wireless communication apparatus and method, and computer program: A packet detection apparatus detects a packet from a received signal by using a preamble containing an established, repeating training sequence. A first autocorrelation calculator computes a first autocorrelation of the received signal over a first interval. A first determining unit determines packet discovery by comparing the first autocorrelation to... Agent: Finnegan, Henderson, Farabow Garrett & Dunner, L.L.P.

20090304129 - Oscillating apparatus, receiving apparatus, and oscillation control method: In an oscillating apparatus, a detection unit detects a frequency offset between an input signal and a reference signal. A code generation unit specifies a relationship among a code having a predetermined number of bits, the frequency offset, and a voltage to be applied to a voltage-controlled oscillator by a... Agent: Katten Muchin Rosenman LLP

20090304130 - Combined dual feed-forward and feedback analog and digital automatic gain control for broadband communication: An embodiment is a method and apparatus to process an input signal. An analog automatic gain control (AGC) processor controls an analog adjustable gain of the input signal using a feedback mechanism. The analog AGC processor generates a first signal. A processing circuit transforms the first signal into a second... Agent: Maxim/bstz Blakely Sokoloff Taylor & Zafman LLP

20090304131 - Low cost noise floor reduction: A method and system to reduce the noise floor of a communications system is disclosed. The system may be incorporated into any device that provides binary samples from a datastream, such as a cordless telephone system. The system is configured to determine a number of bits of the binary samples... Agent: Perkins Coie LLP Patent-sea

20090304132 - Method and apparatus for efficient estimation of interference in a wireless receiver: Methods and apparatus for determining an impairment covariance matrix for use in an interference-suppressing CDMA receiver are disclosed. In several of the disclosed embodiments, precise information regarding signal propagation delays is not needed. An exemplary method includes the selection of a plurality of processing delays for processing a received CDMA... Agent: Coats & Bennett, PLLC

20090304133 - Jammer canceller for power-line communication: An embodiment is a method and apparatus to cancel signal interference. A jammer remover removes an interfering signal from an input signal to generate a jammer-canceled signal using an adaptive filtering procedure. A jammer detector detects interference caused by the interfering signal.... Agent: Maxim/bstz Blakely Sokoloff Taylor & Zafman LLP

20090304134 - Device and method of synchronizing signals: A first input signal is received at a data input of first synchronizer, the first data input to be synchronized to a clock. A second input signal is received at a data input of second synchronizer, the second signal to be synchronized to the clock. Transitions are prevented from being... Agent: Larson Newman & Abel, LLP

20090304135 - Synchronous clock generation apparatus and synchronous clock generation method: A synchronous clock generation apparatus including a multiplier for multiplying a horizontal synchronizing signal by a horizontal synchronizing pulse signal to generate multiplication data, a gain variable digital LPF for extracting only DC components from the multiplication data and capable of performing gain adjustment, and a controller for calculating gain... Agent: Wenderoth, Lind & Ponack L.L.P.

20090304136 - Sync detector and communication apparatus synthesizing correlation values: A sync detector includes a correlation computing unit configured to receive signal values corresponding to respective sample points and to compute auto-correlation of the received signal values between sample points of interest and sample points that are situated at a distance equal to a constant number of sample points from... Agent: Arent Fox LLP