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Pulse or digital communications March listing by industry category 03/12

Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application.
  
03/29/2012 > 80 patent applications in 42 patent subcategories. listing by industry category

20120076173 - Method and device for implementation of adaptive frequency hopping by power spectral density: A wireless communication device is disclosed. The wireless communication device includes a frequency hopping communication circuit, a power spectral density circuit and a control circuit. The frequency hopping communication circuit includes a channel map. The frequency hopping communication circuit selects one of channel in a channel map to connect to... Agent: Realtek Semiconductor Corp.

20120076174 - Fast frequency-hopping transceiver and method: A fast frequency-hopping transceiver comprises a RF-unit arranged on a first chip, a base-band unit on a second chip, a bidirectional operable data and control interface arranged between said first and said second chip having at least one data line for data communication, at least one control line for controlling... Agent: Lantiq Deutschland Gmbh

20120076175 - Method and apparatus for efficient gold code generation and management in wcdma systems: A method and an apparatus for efficient Gold code generation and management in WCDMA systems are presented. Aspects of the method may include simultaneously generating, based on the codeword sequence, a plurality of scrambling code segments associated with a scrambling code. A plurality of scrambling code segments, where each is... Agent:

20120076176 - Electronic device and method for spread spectrum clock (ssc) modulation: The invention relates to an electronic device that includes a plurality of buffers and a phase locked loop. For each buffer a fractional divider is provided which is coupled to receive the output from the phase locked loop and configured to feed a divided output signal to a respective buffer.... Agent: Texas Instruments Deutschland Gmbh

20120076177 - System and/or method for detecting multi-tone jamming: The subject matter disclosed herein relates to a system and method for processing a signal received from a satellite positioning system (SPS) in the presence of a multi-tone jammer. In one particular implementation, processing of a signal may be altered in response to detection of one or more conditions.... Agent: Qualcomm Incorporated

20120076178 - Portable wireless through-the-earth communication system: A portable wireless through-the-earth bi-directional communication system for sending and receiving text data using ultra-low-frequency electric current and the earth as the conductive media. A surface controller which executes application software which controls the communication functions of the system. A surface receiver and surface transmitter are connected to sets of... Agent: E-spectrum Technologies, Incorporated

20120076181 - Adapting transfer functions of continuous-time equalizers: Described embodiments provide a method of adjusting configurable parameters of at least one linear equalizer in a communication system. A transmitting device applies an input signal to a receiver. The at least one linear equalizer equalizes the input signal. A sampler generates one or more sampled values of the input... Agent: Lsi Corporation

20120076182 - Method and apparatus for measuring and reporting a rank and a precoding matrix for multiple-input multiple-output communication: A method and apparatus for measuring and reporting a rank and/or a precoding matrix for multiple-input multiple-output (MIMO) communication are disclosed. A metric indicating a channel condition is measured and a rank is selected based on the metric. The metric may be a signal-to-interference and noise ratio (SINR), throughput, a... Agent: Interdigital Patent Holdings, Inc.

20120076180 - Phase-locked loop and radio communication device: According to one embodiment, a phase-locked loop includes: a voltage controlled oscillator that generates an oscillation signal including an oscillation frequency corresponding to a control signal; a divider that divides the oscillation signal to generate a frequency-divided signal; a phase frequency detector that compares the phases of the frequency-divided signal... Agent:

20120076183 - Systems and method for orthogonal frequency division multiplexing: Systems and methods for orthogonal frequency division multiplexing are provided. In one embodiment, a multi-carrier modem comprises: a transmitter configured to modulate symbols onto at least one of a plurality of the spectrally overlapping carrier signals; a processor coupled to the transmitter, wherein the processor outputs data for transmission by... Agent: Htc Corporation

20120076179 - Techniques for multi-user mimo sounding in wireless networks: An embodiment of the present invention provides an apparatus, comprising a transceiver operable as an access point and capable of communicating in a wireless network, the AP adapted to perform a down link multi user-multiple input multiple output (DL MU-MIMO) transmission and further adapted to transmit a null data packet... Agent:

20120076185 - Apparatus and method for compensating transmission power in wireless communication terminal: Provided are an apparatus and method for compensating transmission power of a signal transmitted through a slave modem (e.g., a WiMAX modem) in a wireless communication terminal including a dual modem. A slave modem receives a digital code value corresponding to a periodically measured battery voltage value from a host... Agent: Samsung Electronics Co., Ltd.

20120076186 - Communication system and communication apparatus: Disclosed herein is a communication system including: at least one power line communication apparatus connected via a general power line for supplying a commercial alternate current power; a communication terminal having a modem for power line communication, and a plurality of first coils having different directivities; and a coupling apparatus,... Agent: Sony Corporation

20120076184 - Multiband antenna for a mobile device: A multiband antenna for a mobile device is disclosed. The mobile device includes a multiband antenna configured to communicate with a base station. The multiband antenna includes a ground plane, a ground plane extension, and a plurality of antenna arms. The ground plane, the ground plane extension, and the plurality... Agent: Qualcomm Incorporated

20120076188 - Close-loop power transmission calibration: A close-loop power calibration algorithm is performed on a wireless communication device to correct power amplifier pre-distortion or PADR correction curves. In addition to peak to average power ratio or PAPR detection techniques, an algorithm or process is implemented that uses a transmitted reference packet, such as an orthogonal frequency... Agent:

20120076189 - Estimation of signal and interference power: Wireless receiver and method of operating a wireless receiver in a wireless communication network for: receiving a signal, the received signal comprising data containing at least one symbol from a symbol alphabet, the symbol alphabet consisting of complex values that define a direction in the complex plane, the received signal... Agent: Icera Inc.

20120076190 - Method and apparatus for digitally processing ofdm signals for radar applications: The present invention relates to a method and also a device for digitally processing OFDM signals which are emitted by a transmission apparatus with modulation symbols as information carriers, reflected at one or a plurality of objects at least to some extent and received by a receiving apparatus. The modulation... Agent:

20120076187 - Multi-domain test and measurement instrument: A test and measurement instrument including a time domain channel configured to process a first input signal for analysis in a time domain; a frequency domain channel configured to process a second input signal for analysis in a frequency domain; and an acquisition system coupled to the time domain channel... Agent: Tektronix, Inc.

20120076191 - Apparatus and method to process signals from one or more transmission sources: A receiver and a method to process signals from one or more transmission sources. The receives includes a front-end having: an input coupling path to route an analog input signal received from one or more transmission sources; an equalizer to generate an equalized signal from the analog input signal; and... Agent:

20120076192 - Efficient high performance demodulation of low bt value gaussian minimum shift keying incorporating turbo equalization: Systems (600) and methods (100) for demodulating a Gaussian Filtered Minimum Shift Keyed (GMSK) signal. The GMSK signal is defined in a transmitted symbol domain where each symbol is given by a product of a current data bit and a previous data bit. The GMSK signal is converted from the... Agent: Harris Corporation

20120076194 - Receiver employing non-pilot reference channels for equalizing a received signal: In one embodiment, a receiver has a reference generator and a main equalizer. The reference generator equalizes a received signal using one or more pilot reference signals. Then, the reference generator decodes one or more predetermined data channels of the equalized signal, makes hard decisions on the data of each... Agent: Agere Systems Inc.

20120076193 - System and method for linear distortion estimation by way of equalizer coefficients: Provided is a method and system for estimating distortion in a communications channel including an adaptive equalizer. The method includes determining one or more adaptive filter coefficients associated with a signal passed through the equalizer. The method also includes estimating un-equalized channel distortion based upon the determined adaptive filter coefficients.... Agent: Broadcom Corporation

20120076196 - Decision directed timing recovery using multi-phase detection: A set of one or more samples is received. Using a first signal processor associated with a first phase offset, a first decision and a first error value are generated using the set of samples. Using a second signal processor associated with a second phase offset, a second decision and... Agent: Link_a_media Devices Corporation

20120076195 - Scaled signal processing elements for reduced filter tap noise: An adaptive transversal filter having tap weights Wj which are products of corresponding tap coefficients Cj and tap gains Mj is provided. A filter control loop controls all of the tap coefficients Cj such that an error signal derived from the filter output is minimized. One or more tap control... Agent:

20120076198 - Dtv transmitter and method of coding data in dtv transmitter: A digital television (DTV) transmitter includes a first randomizer randomizing enhanced data; a Reed-Solomon (RS) frame encoder generating an RS frame; a block processor encoding data in the RS frame, outputting data symbols, interleaving the data symbols, and converting the interleaved data symbols into data bytes; a group formatting unit... Agent: Lg Electronics Inc.

20120076197 - System and method for transmitting video and user interface elements: A method for offloading decoding of encoded video data from a computer system executing a video player application playing the encoded video data to a remote display terminal still enables the video player application to overlay transparent or semi-transparent graphical elements, such elements, such as user interface controls, onto the... Agent: Vmware, Inc.

20120076199 - Adaptive data transmission rate control for a wireless display device: A method, a computer readable medium and an apparatus to adaptively control a data transmission rate of a wireless display device. The method includes determining a current data transmission rate capacity of a wireless channel; and controlling a data transmission rate of a wireless transmission device based on the current... Agent:

20120076201 - Link aware mobile data network: Methods, systems, and devices are described for communicating data from multiple data terminals to an aggregator terminal over a communication link having changing link conditions. In some embodiments, source data is received at multiple data terminals, each in communication with an aggregator terminal over a communication link. For example, during... Agent: Viasat, Inc.

20120076202 - System and method for frame level bit rate control without pre-analysis: Methods and systems to determine a quantization parameter (QP) that may then be used in a bit rate control process during video compression and decompression. The QP for a frame may be derived by determining an initial QP, adapting this value, and applying a final control calculation. The QP for... Agent:

20120076203 - Video encoding device, video decoding device, video encoding method, and video decoding method: A compressing unit 6 of a video encoding device selects whether or not to transform and quantize a prediction error signal 5 after a downsampling processing unit 36 performs a reduction transformation on the prediction error signal 5 by using a transforming process determining unit 31, and then creates quantization... Agent: Mitsubishi Electric Corporation

20120076204 - Method and apparatus for scalable multimedia broadcast using a multi-carrier communication system: A wireless distribution system is provided where multiple carrier frequencies/channels are used to facilitate transmission of scalable multimedia content. Some carrier frequencies are assigned to carry base layer data for one or more program/content channels and some other carrier frequencies are assigned to carry data for one or more enhancement... Agent: Qualcomm Incorporated

20120076205 - Methods and systems for capturing wide color-gamut video: Aspects of the present invention relate to systems and methods for capturing, encoding and decoding wide color-gamut video. According to a first aspect of the present invention, a plurality of processed image frames are associated with a legacy bit-stream, and a plurality of unprocessed image frames are associated with an... Agent:

20120076206 - Compressed domain video watermarking: In accordance with an embodiment, a method of watermarking encoded video frames includes electronically receiving a bitstream comprising a plurality of encoded video frames that are divided into a plurality of macro-blocks, determining macro-block dependencies based on prediction information in the received bitstream, determining a set of macro-blocks having a... Agent: Futurewei Technologies, Inc.

20120076208 - Memory reduced h264/mpeg-4 avc codec: A method for reducing memory utilization in a digital video codec. The method generally includes the steps of (A) generating a second reference picture by downsampling a first reference picture using a pattern, wherein the pattern (i) comprises a two-dimensional grid and (ii) is unachievable by performing a vertical downsampling... Agent:

20120076207 - Multiple-candidate motion estimation with advanced spatial filtering of differential motion vectors: A system and method of performing motion estimation in a video encoder is enclosed. The system and method include calculating one or more candidate motion vectors for each macroblock of a video image to form a list of candidate motion vectors, calculating a second one or more candidate motion vectors... Agent: Advanced Micro Devices, Inc.

20120076200 - Apparatus for encoding and decoding header data in picture signal transmission: A picture decoding method and apparatus for decoding a bit stream, the bit stream being compatible with MPEG 1 moving picture video standard. The method includes receiving, via an input terminal, from the bit stream that includes extension data added in a header of a picture layer of the bit... Agent:

20120076210 - Systems and methods utilizing efficient video compression techniques for browsing of static image data: Embodiments include systems and methods that use video compression techniques when browsing web pages referencing static image data or video content. In non-limiting examples, this can include using modern video compression techniques when browsing web pages referencing compressed static image data to obtain increased efficiency in transmission and/or rendering of... Agent: Google Inc.

20120076209 - Transcoding device, transcoding method and program thereof: A device, a method and a program to simplify transcoding of TTS (timestamped transport streams). When transcoding video data in the input TTS, the video processor unit reattaches time stamps in sequence within the applicable frame period of each video frame to each video packet within the applicable video frame... Agent: Renesas Electronics Corporation

20120076211 - Systems and methods for facilitating power line communications: Systems and methods for facilitating power line communications are described. In some embodiments, a PLC device may detect the availability of a first frequency band as well the availability of a combination of a second frequency band with a third frequency band. The PLC device may then communicate with another... Agent: Texas Instruments Incorporated

20120076212 - Harmonic transmission of data: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for communicating using harmonic tones. In one aspect, a method includes receiving harmonic tones that represent data being reported by a node that generated the harmonic tones; selecting data that are represented by each of the harmonic... Agent: Hunt Technologies, LLC

20120076213 - Interference cancelation using edge signals for synchronization signal detection: In 3GPP Release (Rel) 8, a primary synchronization signal (PSS) and a secondary synchronization signal (SSS) may be transmitted in six resource blocks, occupying, for example, the center 62 tones (i.e., subcarriers) of an LTE-A system, wherein the center tone may be skipped. In synchronous networks, cells may transmit their... Agent: Qualcomm Incorporated

20120076215 - Method and apparatus for transmitting additional data in digital terrestrial broadcasting system: A method and an apparatus for transmitting additional data in a digital terrestrial broadcasting system are provided. The apparatus includes: a main signal generating unit channel-coding main data and converting the main data into a main signal; an additional signal generating unit channel-coding additional data and converting the additional data... Agent: Electronics And Telecommunications Research Institute

20120076216 - Mimo communication method and devices: A stream of information is communicated by means of transmission distributed over a plurality of transmission antennas and reception distributed over a plurality of reception antennas. In the method the stream is encoded according to an error correcting code, into a series of multi-bit symbols. A sequence of the multi-bit... Agent: Nederlandse Organisatie Voor Toegepast- Natuurwetenschappelijk Onderzoek Tno

20120076214 - Multi-symbol channel estimation method for estimating channel response in a multi-carrier modulation system: A method of multi-symbol channel estimation for estimating channel response to a plurality of transmission symbols within an observation window transmitted through a time-varying channel in a multi-carrier modulation system is provided. The method is to be implemented using a channel estimation device, and includes the steps of: obtaining a... Agent: National Chi Nan University

20120076218 - Communication device: A first communication device includes: a control unit functioning as: a first selection unit which, for a first case where first type data is to be transmitted from the first communication device to a second communication device, selects one or more band guarantee values from a plurality of band guarantee... Agent: Brother Kogyo Kabushiki Kaisha

20120076221 - Communication methods for ccfi/pcfich in a wireless communication system: A method of transmitting a control channel format indicator (CCFI), also known as PCFICH (Physical Control Format Indicator Channel), in case where the length of a coded CCFI is not an integer multiple of three, including mapping a plurality of two-bit CCFI into a codebook with each component codeword having... Agent:

20120076222 - Method and apparatus for using control channel format indicator (ccfi) codewords in a wireless communication system: A method of transmitting a control channel format indicator (CCFI), also known as PCFICH (Physical Control Format Indicator Channel), in case where the length of a coded CCFI is not an integer multiple of three, including mapping a plurality of two-bit CCFI into a codebook with each component codeword having... Agent:

20120076223 - Method and system for an alternating delta quantizer for limited feedback mimo pre-coders: m

20120076219 - Stream parsing in a communication system: In a method for parsing data in a data unit into a number of spatial streams, a modulation and coding scheme (MCS) is selected from a plurality of MCSs. Information bits are encoded using one or more encoders to generate coded bits, wherein the number of encoders used depends on... Agent:

20120076220 - Transmission apparatus and a reception apparatus in a multicarrier transmission system and a transmission method and a reception method using the multicarrier transmission system: Inter-carrier interference caused by frequency fluctuations, amplitude fluctuations, phase fluctuations, or the like is reduced without reducing a transmission efficiency. A receiving end has a canceling filter section that alleviates the inter-carrier interference caused by the frequency fluctuations, the amplitude fluctuations, the phase fluctuations, or the like through filtering processing.... Agent:

20120076217 - Using ofdm to correct distortions in ultra-wide-band radios operating over flat millimeter-wave channels: A Point-to-Point communication system includes (i) a millimeter-wave channel having a substantially flat channel transfer function between a first frequency of millimeter-waves and a second frequency of millimeter-waves, the two frequencies are separated by at least 500 MHz, (ii) a transmission system configured to transmit an Orthogonal Frequency Division Multiplexing... Agent: Siklu Communication Ltd.

20120076225 - Method, apparatus and system for transmitting information bits: A method, an apparatus and a system for transmitting information bits are provided. The method for transmitting information bits includes: dividing the information bits to be transmitted into at least two groups; encoding the information bits to be transmitted in each group; modulating the coded bits obtained by the encoding... Agent:

20120076224 - Ultra-high-bandwidth low-power-consumption wireless communication systems: An ultra-high-bandwidth low-power-consumption wireless communication system includes (i) a Radio Frequency Integrated Circuit (RFIC) comprising a radio transmitter, transmitting millimeter-wave signals. The radio transmitter includes a Power Amplifier (PA) outputting the millimeter-wave signals at a low power level of between −10 dBm and 20 dBm, and by that allowing inclusion... Agent: Siklu Communication Ltd.

20120076226 - Digital television transmitter/receiver and method of processing data in digital television transmitter/receiver: A digital television (DTV) transmitter and a method of processing known data in the DTV transmitter are disclosed. The method of processing known data in a digital television (DTV) transmitter includes generating a known data sequence, trellis-encoding the known data sequence, the trellis-encoded known data sequence having upper, middle, and... Agent: Lg Electronics Inc.

20120076228 - Adaptive time diversity and spatial diversity for ofdm: An adaptable orthogonal frequency-division multiplexing system (OFDM) that uses a multiple input multiple output (MIMO) to having OFDM signals transmitted either in accordance with time diversity to reducing signal fading or in accordance with spatial diversity to increase the data rate. Sub-carriers are classified for spatial diversity transmission or for... Agent: Nortel Networks Limited

20120076227 - Radio base station apparatus and method for selecting modulation and coding scheme: Provided is a radio base station apparatus capable of selecting an optimal modulation and coding scheme for each transmission stream easily. The radio base station apparatus has a CQI information decoder (101) configured to decode CQIs of plural downlink transmission streams and an MCS selector (102) that has an N-dimensional... Agent: Ntt Docomo, Inc.

20120076233 - Apparatus and method for transmitting and receiving data: A data transmission apparatus is provided. A symbol mapper performs symbol mapping on information about an optimum key index that instructs a modified Walsh-Hadamard matrix that causes a minimum peak-to-average power ratio and generates a plurality of key symbols. A modified Walsh-Hadamard transformer generates a plurality of modified Walsh-Hadamard-transformed data... Agent: Electronics And Telecommunications Research Institute

20120076232 - Coder and decoder, coding method and decoding method, and system comprising a coder and a decoder: A coder (36) for mapping a digital signal (10) into a transmission signal (12) and a decoder (44) for mapping a reception signal (13) into a digital signal (10) for transmission by and reception from a real channel (42), respectively. The coder (36) allocates code symbols (16) of a code... Agent: Atlas Elektronik Gmbh

20120076234 - Method and apparatus for coding and interleaving for very high throughput wireless communications: A wireless transmitter can include a plurality of bandwidth modules, each bandwidth module processing data based on a predetermined frequency band. In one embodiment, such a wireless transmitter can include encoding components for receiving transmit data and generating encoded data. A multiple-input multiple-output (MIMO) stream parser can receive the encoded... Agent: Qualcomm Atheros, Inc.

20120076229 - Method and system of mimo and beamforming transmitter and receiver architecture: A multiple-input multiple-output (MIMO) receiver includes a receive path circuitry configured to receive a first signal from a first antenna and a second signal from a second antenna, downconvert the first signal to a first frequency to generate a first intermediate frequency (IF) signal, downconvert the second signal to a... Agent: Samsung Electronics Co., Ltd.

20120076230 - Receiver: An embodiment of the invention relates to a receiver capable of receiving a secondary bitstream which is transmitted by a secondary signal over a physical transmission channel together with a primary signal having higher signal strength than the secondary signal, said primary signal being generated according to a first transmission... Agent: Technische Universitat Berlin

20120076231 - Rf divider using direct digital synthesis: An RF divider directly synthesizes a desired RF as a digital pattern that can be programmed and output at a VCO frequency. An exemplary RF divider comprises a pre-sequencer and a parallel-to-serial converter. The pre-sequencer successively outputs consecutive M-bit sections of a parallel word, where the parallel word comprises one... Agent:

20120076236 - Method and apparatus for efficient feedback in a wireless communication system supporting multiple antenna: A method and apparatus for transmitting effective channel status information (CSI) in a wireless communication system supporting multiple carriers are disclosed. A method for transmitting CSI of DL transmission via uplink in a wireless communication system includes transmitting a rank indicator (RI) at a first subframe, and transmitting a first... Agent: Lg Electronics Inc.

20120076235 - Nonlinear compensating apparatus and transmitter: The present invention provides nonlinear compensating apparatus and transmitter. The nonlinear compensating apparatus comprises: an information acquiring unit to acquire a symbol information sequence of the pulse information input by a transmitting side; a perturbation quantity calculating unit to calculate the weighted sum of the interaction of the pulses of... Agent: Fujitsu Limited

20120076237 - Close-loop power amplifier pre-distortion correction: Attenuation is provided at the output of a power amplifier that provides transmitted signals or packets. The attenuation particularly provides separation of linear and non linear behavior of the signals. A reference packet is transmitted during attenuation. A normal packet is delivered without attenuation. Feedback from the reference packet can... Agent:

20120076238 - Frequency selective transmit signal weighting for multiple antenna communication systems: A method for communication includes performing by one or more processors and/or circuits in a communication device functions including determining transmit power weights, which are to be utilized for communicating one or more wireless signals via a wireless channel, as a function of frequency of a wireless signal communicated via... Agent:

20120076239 - Transmitter for multi-format data: and, in a second operating mode of the transmitter, the data module generates said first and second data signals correlated with one another based on common data, so as to produce, at the transmitter's output, a modulated signal exhibiting a second constellation of states (A, D; E, F) in the... Agent:

20120076240 - Apparatus and method for data communication using radio frequency: A data communication apparatus using a radio frequency and a data processing method thereof are provided. A first communication apparatus frequency shift keying and phase shift keying modulates and transmits data from a service server to a radio frequency band. A second communication apparatus modulates, demodulates, and outputs the data.... Agent: Hyundai Motor Company

20120076241 - Multiple-input multiple-output wireless transceiver architecture: A wireless transceiver includes a receiver and a transmitter, the receiver and transmitter implemented to have multiple receive and transmit channels respectively, to provide multiple-input multiple-output (MIMO) capability. In an embodiment, the transceiver is implemented to include two transmit channels and two receive channels. Some blocks/circuitry of each of the... Agent: Texas Instruments Incorporated

20120076242 - Diversity receiver: A diversity receiver includes a plurality of antennas to receive radio frequency signals. A plurality of receiver circuits are each coupled to a respective one of the plurality of antennas to process the received radio frequency signals, and a channel estimator is coupled to at least one of the receiver... Agent:

20120076243 - Method for limiting interference received by a plurality of destinations: d

20120076246 - Automatic gain control device and electronic device: An automatic gain control device includes amplifiers cascaded, each having a variable gain; level measurement portions respectively corresponding to the amplifiers, where each of the level measurement portions measures a level of an output signal of a corresponding one of the amplifiers in a level measurement period indicated by a... Agent: Panasonic Corporation

20120076245 - Signal detection apparatus: A signal detection apparatus detects the frequency of an input signal without using a PLL. The detection apparatus includes a first and a second orthogonalizer, a phase difference calculator and an integrator, to control the variable coefficient a1 of a band-pass filter. Information e[k]=M·sin(φ) representing the phase difference φ between... Agent: Daihen Corporation

20120076244 - Waveform interpolator architecture for accurate timing recovery based on up-sampling technique: In one embodiment, an interpolator-based timing recovery system improves accuracy by calculating additional sampled signals of a digital signal and generating an interpolation based on the additional sampled signals and the digital signal, while employing a parallel architecture to maintain system clock frequency and a pipeline architecture to minimize sampled... Agent: Quantum Corporation

20120076247 - Siso decoder for a block code: A soft-in-soft-out (SISO) decoder for a general block code includes a source bit generator which generates k guessed source bits; a channel encoder which maps the k guessed source bits to an n-bit channel codeword; a QAM symbol mapper which generates a locally generated symbol sequence comprising m consecutive QAM... Agent: Sunplus Technology Co., Ltd.

20120076248 - Covariance factor matrix reuse: A method and apparatus for reducing the computational load associated with computing weighting factors for wireless signals received at a wireless receiver is disclosed herein. The method and apparatus reuses a covariance factor matrix to compute multiple sets of weighting factors for multiple received signals. Particular embodiments factor a covariance... Agent: Telefonaktiebolaget Lm Ericsson (publ)

20120076249 - Apparatus and method for receiving dual band rf signals simultaneously: Disclosed is a dual band receiver which includes an analog-to-digital converter configured to convert a dual band analog RF signal into a dual baseband digital signal; and a first signal extractor configured to generate a first path signal and a second path signal from the dual baseband signal and to... Agent: Electronics And Telecommunications Research Institute

20120076250 - Method for peak to average power ratio reduction: According to various embodiments, methods, apparatuses and systems are provided to allow a transmitter to reduce the Peak to Average Power Ratio (PAPR) of a modulated signal by applying a pre-emphasis filter to the signal, clipping the pre-distorted signal to reduce the PAPR, and applying a de-emphasis filter to the... Agent:

20120076251 - Digital nrzi signal for serial interconnect communications between the link layer and physical layer: Systems and methods of operating a serial interconnect interface provide for generating a pulse in response to a state change in a data signal of the serial interface interconnect, and transmitting the pulse from a physical layer of the serial interconnect interface to a link layer of the serial interconnect... Agent:

20120076252 - Synchronizing circuit, synchronizing method, and receiving system: Disclosed herein is a synchronizing circuit including: a first PLL circuit; a second PLL circuit; a first output circuit; a second output circuit; a first detection circuit; a second detection circuit; a control circuit; and a holding section.... Agent: Sony Corporation

  
03/22/2012 > 77 patent applications in 39 patent subcategories. listing by industry category

20120069868 - Receiver for use in an ultra-wideband communication system: In an ultra-wideband (“UWB”) receiver, a received UWB signal is periodically digitized as a series of ternary samples. The samples are continuously correlated with a predetermined preamble sequence to develop a correlation value. When the value exceeds a predetermined threshold, indicating that the preamble sequence is being received, estimates of... Agent: Decawave Limited

20120069869 - Operating method for a wpan device: A method of operating a device capable of periodically hopping a predetermined interval using a channel hopping sequence in order to improve low radio frequency (RF) reliability caused by single frequency based channel access.... Agent: Electronics And Telecommunications Research Institute

20120069870 - Spread-spectrum receiver with progressive fourier transform: A receiving system dynamically searches the communications band for transmissions of messages having the same nominal communications parameters, including the use of the same spreading code, but having potentially different specific frequencies and code-phases. The receiver, which is independent of the transmitters, samples the communications band at each code-phase of... Agent: Aeroastro, Inc.

20120069871 - Temperature compensation in a telecommunications device: A communications device, such as a GNSS receiver comprises an oscillator, having a temperature-dependent frequency characteristic, for generating signals at a nominal frequency; receiver circuitry, for receiving transmitted wireless signals using the signals generated by the oscillator; at least one temperature sensor, having a known positional relationship to the oscillator;... Agent: St-ericsson Sa

20120069872 - Channel estimation method for ofdm relaying system: A channel estimation method for an OFDM relaying system, which is based on an EM algorithm and applied to an AF OFDM relaying system, wherein channels from a source node to a relaying system and from the relaying system to the destination node in a wireless communication system are respectively... Agent:

20120069873 - Broadcasting system and multi-carrier communication system: The invention provides a broadcasting system. In one embodiment, the broadcasting system comprises a transceiver and a processor. The transceiver carries out signal transmission via at least one fully configured carrier and at least one partially configured carrier. The processor controls the transceiver to broadcast a first preamble set via... Agent: Acer Incorporated

20120069874 - Communication circuit and adapter having the same: A communication circuit and an adapter having the same are provided. The communication circuit includes a coupling circuit and a transceiver module. The coupling circuit is coupled to a DC power line of the adapter to filter a first modulation signal carried on the DC power line or to couple... Agent: Silitek Electronic (guangzhou) Co., Ltd.

20120069875 - Communication device and communication system: A communication device includes: a reception unit that receives a signal transmitted from another communication device via a transmission path; a transmission unit that transmits a signal to the another communication device via the transmission path; an error rate measurement unit that measures an error rate representing a probability of... Agent: Fuji Xerox Co., Ltd.

20120069879 - Configurable baseband processing for receiver and transmitter and methods for use therewith: A configurable transceiver includes an RF receiver section that generates at least one downconverted signal from a received RF signal. A receiver processing module processes at least one downconverted signal in a plurality of receiver stages to produce a stream of inbound data, wherein the receiver processing module is configurable... Agent: Broadcom Corporation

20120069878 - System and method for scrambling the phase of the carriers in a multicarrier communications system: A system and method that scrambles the phase characteristic of a carrier signal are described. The scrambling of the phase characteristic of each carrier signal includes associating a value with each carrier signal and computing a phase shift for each carrier signal based on the value associated with that carrier... Agent: Aware, Inc.

20120069877 - Systems and methods for high rate ofdm communications using first and second cyclic prefix lengths: Messages transmitted between a receiver and a transmitter are used to maximize a communication data rate. In particular, a multicarrier modulation system uses messages that are sent from the receiver to the transmitter to exchange one or more sets of optimized communication parameters. The transmitter then stores these communication parameters... Agent: Aware, Inc.

20120069876 - Transceiver: A transceiver includes an oscillator and a plurality of communication blocks. Each of the communication blocks includes frequency dividers and mixers. Frequency dividing number of the frequency divider included in one communication block is set to an even-numbered integer, and transmission local signals supplied from the frequency dividers to the... Agent: Renesas Electronics Corporation

20120069880 - Neutral host architecture for a distributed antenna system: A remote radio head unit (RRU) system for achieving high data rate communications in a Distributed Antenna System is disclosed. The Distributed Antenna System is configured as a Neutral Host enabling multiple operators to exist on one DAS system. The present disclosure enables a remote radio head unit to be... Agent: Dali Systems Co., Ltd.

20120069881 - Broadband power amplifier: The present invention relates to a power amplifier unit (30, 40, 50, 60a-60d, 70) comprising a power amplifier element (31, 41, 51, 71) and a matching unit (32, 42, 52, 72). The unit comprises an impedance matched MicroElectroMechanicalSystem (MEMS) switch element (33, 43, 53, 73) between said power amplifier element... Agent: Sony Ericsson Mobile Communication Ab

20120069882 - 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: Public Wireless, Inc.

20120069883 - Passive selt: The present invention relates to a method for estimating properties of a transmission line by means of features of a noise spectrum generated by noise entering said transmission line at an intermediate location between the ends of the line. The invention provides possibility to estimate a number of properties, e.g.... Agent: Telefonaktiebolaget L M Ericsson (publ)

20120069884 - Digital phase detector and digital phase-locked loop: According to one embodiment, a digital phase detector includes a chain of delay devices configured to receive a reference signal through a first stage and delay the reference signal at each stage. The phase detector includes a sampler group configured to include a first sampler samples a first signal of... Agent: Kabushiki Kaisha Toshiba

20120069885 - Method and apparatus providing signal metric for transmitter: The present invention provides a method and associated apparatus providing a signal metric for a transmitter of a communication system. While the transmitter transmitting a signal with amplitudes scaled by scaling combinations selected from a plurality of scaling combination alternatives, the method including: providing a plurality of power terms, each... Agent: Mediatek

20120069888 - Method and arrangement for estimating the quality degradation of a processed signal: An objective quality assessment method for obtaining an improved estimate of a perceptual quality degradation of a processed signal, and an arrangement for executing such a method, is provided, which is executed on a processed signal and an associate reference signal. Both signals are split up into associated frame-pairs after... Agent: Telefonaktiebolaget L M Ericsson (publ)

20120069887 - Method of minimizing feedback overhead using spatial channel covariance in a multi-input multi-output system: Disclosed is a method for minimizing feedback overhead in a multi-input multi-output (MIMO) communication method using multiple transmission and reception antennas. In particular, a method for minimizing feedback overhead in a multi-input multi-output (MIMO) communication system by using spatial channel covariance, as explicit channel status information (CSI) feedback method is... Agent:

20120069886 - Wireless station, an interference estimation method, a wireless communication system and a computer program: A wireless station of the present invention includes: a synchronization unit configured to synchronize with a transmission suspension period of a transmitting station of a wireless system, a measurement unit configured to measure a reception level of a wireless signal of said transmitting station in a transmission period and a... Agent: Nec Corporation

20120069889 - Interferer parameter estimation method and apparatus: Interference is estimated in an Orthogonal Frequency Division Multiplexing system by receiving at a wireless receiver pilot symbols and data symbols transmitted in time and frequency via resource blocks, detecting a first one of the data symbols transmitted to the wireless receiver via a time-frequency resource element of a first... Agent:

20120069890 - Likelihood value calculation device, likelihood value calculation method, and radio system: A likelihood value calculation device includes: likelihood value calculation unit 201 that takes as input an equalization signal of a modulated signal, that, in accordance with a first control signal, calculates from the equalization signal that was received as input a provisional likelihood value for which the bit value of... Agent:

20120069891 - Systems and methods for filter constraint estimation: Various embodiments of the present invention provide systems and methods for calibrating a data processing circuit. For example, a method for calibrating a data processing circuit is discussed that includes providing a digital filter, providing a detector circuit, and providing an analog filter. Operation of the digital filter is at... Agent: Lsi Corporation

20120069892 - Transmitting/receiving system and broadcast signal processing method: A receiving system and a method for receiving and processing a broadcast signal including mobile service data are disclosed. The receiving system includes a tuner, a demodulator, a block decoder and an RS frame decoder. The tuner receives a broadcast signal including first mobile service data and second mobile service... Agent:

20120069893 - Communications apparatus, communications system, communications method, and integrated circuit: A radio (102) in a sensor network and powered by electricity includes a data communicating unit (114) performing data communication; and a pulse interval demodulating unit (111) configured to (i) detect, from a signal (11c) with signals for corresponding frequency channels overlapped, a frequency channel indicated by a time interval... Agent:

20120069894 - Method of transmitting video data: A sink device wirelessly transmits a device capability response message to a source device. The device capability response message includes a video information message including at least one video format identification code (VIC) for identifying a video format of video data, which the sink device can display, and a coded... Agent:

20120069896 - Efficient coding complexity estimation for video transcoding systems: Systems and methods of transcoding video bitstreams that employ highly efficient look-ahead approaches to video transcoding. The systems and methods perform video transcoding in the pixel domain to make successive adjustments to estimates of the coding complexity of video frames in input video bitstreams. The systems and methods can employ... Agent:

20120069899 - Entropy encoding and decoding using direct level and run-length/level context-adaptive arithmetic coding/decoding modes: An encoder performs context-adaptive arithmetic encoding of transform coefficient data. For example, an encoder switches between coding of direct levels of quantized transform coefficient data and run-level coding of run lengths and levels of quantized transform coefficient data. The encoder can determine when to switch between coding modes based on... Agent: Microsoft Corporation

20120069895 - High quality video encoder:

20120069897 - Method and device for video-signal processing, transmitter, and corresponding computer program product: A motion analysis is applied to a signal to identify high-motion regions and low-motion regions. An analysis of low-level characteristics of the signal, such as a skin tone or contrast analysis, is used to generate a map of regions with low-level characteristics. The map is filtered to identify regions having... Agent: Stmicroelectronics S.r.i.

20120069898 - Methods and systems for adaptive time-frequency resolution in digital data coding: Embodiments are described for a system and method for implementing an adaptive time-frequency resolution in audio and video coding systems. A method of adaptively transforming the time-frequency resolution for a defined spectrum comprises dividing the spectrum of the input signal into a into plurality of bands; determining, for each band... Agent:

20120069900 - System, method and computer-readable medium for encoding a signal into macroblocks: A quantizer and dequantizer for use in a video coding system that applies non linear, piece-wise linear scaling functions to video information signals based on a value of a variable quantization parameter. The quantizer and dequantizer apply different non linear, piece-wise linear scaling functions to a DC luminance signal, a... Agent: At&t Intellectual Property Ii, L.p.

20120069902 - Moving picture decoding device, moving picture decoding method and integrated circuit: An moving picture decoding device includes a receiver that receives data that has been coded according to multi-view coding of pictures that are included in a moving picture and provided for a plurality of views; a first decoder that decodes coded data that is included in the data coded according... Agent: Fujitsu Limited

20120069903 - Reference picture list changing method of multi-view video: Disclosed is a method of changing a reference picture list. The present invention includes parsing a profile identifier and a slice type from a multiview video bitstream, obtaining inter-view reference information based on the profile identifier, initializing a reference picture list using the inter-view reference information, and modifying the reference... Agent: Lg Electronics Inc.

20120069901 - Video encoding apparatus, video decoding apparatus, video encoding method, video decoding method, and computer program: It is a purpose of the present invention to provide a video encoding apparatus, a video decoding apparatus, a video encoding method, a video decoding method, and a computer program, which allow adaptive filter coefficients to be used with a reduced amount of coding. A video encoding apparatus AA selects... Agent: Kddi Corporation

20120069904 - Multiplex method and associated functional data structure for combining digital video signals: Functional data structure for coding a set of digital images which are divided into macroblocks ofpixels coded with colour value statements, including intraprediction macroblocks, wherein each of the images is compressed into at least-one first data stream portion, which comprises a portion of the macroblocks reduced by physical redundancies, and-one... Agent: Siemens Enterprise Communications, Gmbh & Co. Kg

20120069905 - Moving image encoding and decoding device: A moving picture encoding device includes a prediction signal generation method controller that determines, for each of a plurality of target blocks, a processing method. The processing method can be performed on one of a plurality of reference pictures for generating a prediction signal for each respective target block. The... Agent: Ntt Docomo, Inc.

20120069906 - Image processing apparatus and method (as amended): For pixels of fractional pixel precision corresponding to sampling positions at a position b and a position d, pixel values corresponding to sampling positions at the position b and the position d are obtained by performing a sum-of-products operation using a first filter. For fractional pixel precision corresponding to sampling... Agent:

20120069908 - Generation of an order-2n transform from an order-n transform: Apparatus, systems and techniques based on an integer transform for encoding and decoding video or image signals, including transform of encoding and decoding of image and video signals and generation of an order-2N transform W from an order-N transform T in the field of image and video coding. For example,... Agent: The Chinese University Of Hong Kong

20120069907 - Method, device and system of reduced peak-to-average-ratio communication: Some embodiments include devices, methods and/or systems of reduced peak-to-average-ratio communication. An apparatus may include a transmitter to transmit a transmission corresponding to an input signal, wherein the transmitter may include a peak-to-average-ratio-reduction transformer to generate a plurality of transformed data components by applying a predefined peak-to-average-ratio-reduction transform scheme to... Agent:

20120069909 - Encoding method, decoding method, encoder, and decoder: An encoding method includes encoding moving image; determining whether an information amount of the encoded moving image data in units of a picture satisfies a threshold to control a virtual buffer obtained by virtually modeling a reception buffer of a decoding device that is a transmission destination of the encoded... Agent: Fujitsu Limited

20120069912 - Apparatus for encoding and decoding header data in picture signal transmission: A picture decoding method and apparatus for decoding a bit stream, the bit stream being compatible with MPEG 1 moving picture video standard. The method includes receiving, via an input terminal, from the bit stream that includes extension data added in a header of a picture layer of the bit... Agent:

20120069910 - Systems and methods for encoding and decoding: Systems and methods for multimedia encoding and decoding are disclosed. The systems and methods include multimedia format detection systems, decoder functionality generation systems, decoder instantiation systems, and multimedia processing engines which are capable of selecting a decoder or playback mechanism for each input encoded multimedia stream. The functionality of the... Agent: Onecodec, Ltd.

20120069911 - Systems and methods for encoding, transmitting and decoding: Systems and methods for encoding, transmitting, and decoding are disclosed. The systems and methods include multimedia encoding, transmitting, and decoding instantiation systems which are capable of being modified on the basis of associated IPR costs. Further, the systems and methods include the capabilities of recording or transmitting the IPR and/or... Agent: Onecodec, Ltd.

20120069913 - Channel equalizer and method of processing broadcast signal in dtv receiving system: A channel equalizer includes a first transformer, an estimator, an average calculator, a second transformer, a coefficient calculator, a compensator, and a third transformer. The first transformer converts normal data into frequency domain data, where a known data sequence is periodically repeated in the normal data. The estimator estimates channel... Agent:

20120069919 - Codebook generating method and apparatus for generating a codebook for multi-polarized multiple-input multiple-output (mimo) systems: A method of generating a codebook for a multiple-input multiple-output (MIMO) system is provided. The codebook generation method includes: assigning a single-polarized precoding matrix to diagonal blocks among a plurality of blocks arranged in a block diagonal format in which a number of diagonal blocks corresponds to a number of... Agent: Samsung Electronics Co., Ltd.

20120069920 - Communication apparatus and communication method: A wireless communication apparatus and a wireless communication method wherein even when the permissible delay amount of data is small, the permissible delay thereof can be satisfied. A data type determining part (101) determines whether the delay of transport data or control information should be allowed or not. A pilot... Agent: Panasonic Corporation

20120069914 - Efficient compressed sensing channel estimation for single-carrier communication systems: Methods and devices for receiving wireless signals employ compressed sensing-based estimation techniques to receive single-carrier transmissions, exploiting the common sparseness of the wireless channel, enabling signal reception in the presence of significant Delay and Doppler spreads. When implemented for an ATSC or ATSC-M/H mobile TV standard signal, the compressed sensing... Agent: Qualcomm Incorporated

20120069916 - Frequency offset estimator for upstream cable signals: In a DOCSIS transmission network, it is necessary for an upstream receiver to estimate and correct for errors in the carrier frequency of the transmission based upon observations of a preamble sequence. This task is complicated by the fact that microreflections in the upstream channels cause intersymbol interference, which tends... Agent:

20120069915 - Rate matching apparatus and rate matching method thereof: Provided is a rate matching apparatus. The rate matching apparatus includes interleavers, dummy bit removers, a bit collector, a memory and a selector. The interleavers interleave code blocks, respectively. The dummy bit removers remove dummy bits of the interleaved code blocks, respectively. The bit collector collects code blocks with the... Agent: Electronics And Telecommunications Research Institute

20120069918 - Re-configurable array from distributed apertures on portable devices: The present invention features novel methods of implementing configurable arrays for personal portable devices including hand-held mobile devices and re-locatable wireless devices, utilizing a wireless communications system that employs multiple individual hubs and/or base-stations. The digital beam forming (DBF) methodology utilizes multiple low gain elements conformal to the mechanical contours... Agent: Spatial Digital Systems

20120069917 - System and method for pucch subband feedback signaling in a wireless network: A mobile station for use in a wireless network. The mobile station transmits feedback reports to a base station of the wireless network. The feedback reports comprise a first feedback report, a second feedback report and a third feedback report. The first feedback report includes a precoder type indication (PTI)... Agent: Samsung Electronics Co., Ltd.

20120069921 - Apparatus and method for encoding/decoding a multichannel signal: An apparatus for encoding/decoding a multichannel signal. The apparatus for encoding/decoding a multichannel signal processes phase parameters for phase information among a plurality of channels constituting the multichannel signal in consideration of the characteristics of the multichannel signal. The apparatus generates an encoded bit stream for the multichannel signal using... Agent:

20120069922 - Data processing apparatus and method: A data processing apparatus maps input symbols to be communicated onto a predetermined number of sub-carrier signals of an Orthogonal Frequency Division Multiplexed (OFDM) symbol. The data processor includes an interleaver memory which reads-in the predetermined number of data symbols for mapping onto the OFDM sub-carrier signals. The interleaver memory... Agent: Sony Corporation

20120069923 - Method and apparatus for new cell identification in a wcdma network with a given neighbor set: In a WCDMA network, a communication system may include a baseband processor that enables determination of a primary synchronization position and a plurality of scrambling codes based on received configuration information from at least one base station. The baseband processor may also determine a slot boundary in at least one... Agent:

20120069924 - Linear precoding in mimo broadcast channel with arbitrary rank constraints: Methods and systems for transmission are shown that include iteratively generating an optimized precoder matrix and optimized linear filters for multiple receivers, where the optimized precoder matrix is based on a linear filter from a previous iteration and the optimized linear filters the multiple receivers are based on a precoder... Agent: Nec Laboratories America, Inc.

20120069925 - Method and apparatus for feedback in closed loop transmitting: A method an apparatus is described for providing feedback for closed-loop transmitting with multiple transmit and receive antennas. The method includes a first step 900 of providing a codebook containing sets of weightings for each data stream of the multiple transmit antennas with each set identified by an index known... Agent: Motorola Mobility, Inc.

20120069926 - Method of generating codebook and transmitting data in a multi-input multi-output system: A method for designing an optimized codebook in a multi-input multi-output communication method using various codebooks is disclosed. In particular, an optimized codebook with respect to eight transmission antennas is devised, and a method for effectively transmitting data by using the optimized codebook is disclosed.... Agent:

20120069927 - Cqi feedback mechanisms for distortion-aware link adaptation toward enhanced multimedia communications: Link adaptation parameters for encoding of a source are selected to minimize distortion between the source and a reconstructed source induced by transmission of the source over a multiple input multiple output (MIMO) channel. Such distortion-awareness and associated joint source-channel coding ideas to support link adaptation over MIMO channels may... Agent: Intel Corporation

20120069928 - Robust precoder and receiver filter design for gaussian interference channel: A system and method for providing at least one transmit precoder includes transforming at least one of a weighted sum-rate and max-min rate objective into two or more sub-problems by introducing at least one slack variable. The two or more sub-problems are iterated on a computer readable storage medium to... Agent: Nec Laboratories America, Inc.

20120069930 - circuit for a transmitter: A transmitter (200) comprises a first Chireix compensation circuit (230, 232, 238, 240) and a second Chireix compensation circuit (234, 236, 238, 240), wherein each Chireix compensation circuit has two inputs and two outputs. Two constant envelope input signals (22, 224) to be amplified are guided by a switch (226)... Agent: Nxp B.v.

20120069929 - Method and apparatus for compensating code channel power in a transmitter: It has now been found that in some transmitter implementations which transmit multiple code channels, for example CDMA transmitters, the observed power for each code channel at the output relative to the other code channels is dependent upon the total transmit power due to non-linearities in the transmitter. Methods and... Agent: Research In Motion Limited

20120069931 - Multi-band power amplifier digital predistortion system and method: Traditionally, for multi-band communication systems, independent signal chains for each of the different bands are employed. By using such an architecture, there are a large number of components, and there is substantial power consumption. Here, transmit processor is provided that enables transmission across multiple bands using few components (namely, fewer... Agent: Texas Instruments Incorporated

20120069932 - Radio transmitter: A radio transmitter includes a signal processing circuit splitting a basic modulating signal into first and second modulating signals and outputting the first and second modulating signals. A PLL decides a fundamental wave. A VCO forms a portion of the PLL and modulates the fundamental wave decided by the PLL... Agent: Kabushiki Kaisha Kenwood

20120069933 - Method and a device for sequencing the zc sequences of the random access channel: The present invention discloses a method and a device for sequencing the ZC sequences of the random access channel. The method for sequencing the ZC sequences includes the following steps: Step 202, ZC sequences are divided into a plurality of groups according to the cubic metrics of the ZC sequences;... Agent: Zte Corporation

20120069934 - System and method for reducing power consumption in a flo-ev receiver: A method for exiting receiver processing in a FLO-EV receiver comprises receiving a communication signal comprising at least one received symbol, deriving a channel performance metric based on the received symbol, determining whether the metric exceeds a threshold, and when the metric exceeds the threshold, providing a logic signal to... Agent: Qualcomm Incorporated

20120069935 - Symbol-level combining for multiple input multiple output (mimo) systems with hybrid automatic repeat request (harq) and/or repetition coding: Systems and methods are provided for decoding signal vectors in multiple-input multiple-output (MIMO) systems, where the receiver has received one or more signal vectors from the same transmitted vector. The symbols of the received signal vectors are combined, forming a combined received signal vector that may be treated as a... Agent:

20120069938 - Amplitude monitor for high-speed signals: A serial communication system includes a receiver with an amplitude monitor. The amplitude monitor compares the input signal with a reference level in response to a sample clock. The sample clock is periodically phase shifted with respect to the incoming data so the amplitude monitor is sure to sample an... Agent: Rambus Inc.

20120069939 - Communication apparatus and communication method: A wireless communication apparatus and a wireless communication method wherein even when the permissible delay amount of data is small, the permissible delay thereof can be satisfied. A data type determining part (101) determines whether the delay of transport data or control information should be allowed or not. A pilot... Agent: Panasonic Corporation

20120069937 - Methods and systems for improved channel estimation in multi-carrier systems: Wireless receiver circuits and methods include algorithms for switching between a least-squares/minimum mean-square error method of channel estimation known as the CE algorithm, and a continuous plot method of channel estimation known as the CPCE algorithm based upon channel characteristics to improve reception of wireless communications in different reception conditions.... Agent: Qulacomm Incorporated

20120069936 - Mobile wireless communications device and receiver with demodulation and related methods: A mobile wireless communications device may include an antenna, and a receiver coupled to the antenna and being configured to use a modulation having memory for a received message in a block structure. The block structure may include a pair of mini-probes and a body therebetween. The receiver may be... Agent: Harris Corporation, Corporation Of The State Of Delaware

20120069940 - Platform noise estimation and mitigation for wireless receivers: An apparatus and method suitable to estimate impairments of wireless signals, including both noise and interference of the wireless signals are disclosed herein. The noise of the wireless signals may be caused by thermal noise and platform noise. An adaptive scheme may dynamically switch between estimating interference only or the... Agent:

20120069941 - Symbol-timing recovery techniques for multi-branch services: A symbol-timing recovery function of a receiver is provided with a signal combiner (465) coupled to a first receive branch with a first receive signal (10) and to a second receive branch with a second receive signal (20). The signal combiner (465) generates a combined signal (C) on the basis... Agent:

20120069942 - Sync detection and frequency recovery for satellite systems: A method of frame sync detection is described. A first and second differential correlation of a data stream is calculated, at a plurality of delay and conjugate multipliers. The first and second differential correlations are convolved with a previous set of differential correlations. A correlation peak is calculated, at a... Agent: Thomson Licensing

20120069943 - Base station and clock synchronization method thereof: An enhanced base station and clock synchronization method are provided. The method includes scanning to discover a satellite transmitting a satellite signal and a master base station providing clock synchronization signal, entering, when a satellite having a signal that fulfills predetermined conditions is found, a master mode for receiving the... Agent: Samsung Electronics Co. Ltd.

20120069944 - Frequency synchronization using clock recovery loop with adaptive packet filtering: An endpoint or other communication device of a communication system includes a clock recovery loop having a phase error estimator. The communication device is operative as a slave device relative to another communication device that is operative as a master device. The clock recovery loop is configured to control a... Agent:

  
03/15/2012 > 69 patent applications in 35 patent subcategories. listing by industry category

20120063489 - Low-rate long-range mode for ofdm wireless lan: A system for implementing an orthogonal frequency division multiplexing scheme and providing an improved range extension. The system includes a transmitter for transmitting data to a receiver. The transmitter includes a symbol mapper for generating a symbol for each of a plurality of subcarriers and a spreading module for spreading... Agent: Broadcom Corporation

20120063490 - Convolutionally encoding and decoding multiple data streams: A plurality of data streams are convolutionally encoded. Each convolutionally encoded data stream has a particular data rate. The particular data rate of each data stream is adjusted so that an adjusted data rate of that data stream matches a data rate of a CDMA transmission. When the particular data... Agent: Interdigital Technology Corporation

20120063491 - Spread spectrum signal receiver, method for multipath super-resolution thereof, and recording medium thereof: A spread-spectrum signal receiver, a multipath signal super-resolution method thereof, and a recording medium thereof are disclosed. Using a least-squares based iterative multipath super-resolution (LIMS) algorithm, the spread-spectrum signal receiver accurately resolves multipath signals in a multipath channel environment so as to extract necessary information such that a rake receiver... Agent: Korea Advanced Institute Of Science And Technology

20120063492 - Method and apparatus of obtaining timing in a repeater: Methods and apparatuses are provided that include a mobile station modem (MSM) embedded in a repeater for enhancing repeater functionality. The MSM can determine a timing of a base station based on one or more signals received therefrom. Using the timing, the repeater can align timing to that of the... Agent: Qualcomm Incorporated

20120063493 - Transmission rate control method, transmission unit, and communication system: A transmission unit includes: transmission rate control means for controlling a transmission rate; first transmission error detecting means for detecting data loss caused due to congestion in a transmission network; and second transmission error detecting means for detecting data loss (for example, packet loss) caused due to data error in... Agent:

20120063495 - Configurable load impedance for power amplifier pre-distortion calibration: An integrated circuit radio transceiver and method therefor includes an integrated circuit radio transceiver operable to provide specified gain levels and transmit path filter responses to correspond with a selected power spectral density mask. Changes in gain may be provided solely digital gain changes or may include analog gain module... Agent: Broadcom Corporation

20120063494 - Precoding codebook and feedback representation: The invention relates to a technical field of multiple-antenna transmission in a wireless communication system. Communication of feedback representation of and generating a codebook suitable for precoding of multiple-antenna transmission is disclosed. An example matrix representation of precoding of a first number of antenna ports comprises precoding sub-matrices of less... Agent: Huawei Technologies Co., Ltd.

20120063496 - Wireless transmitters: Transmitter circuits for generating baseband signals having low receiver-band noise are disclosed. In one embodiment, the transmitter circuit comprises an active filtering-and-amplifying component comprising a first input configured to receive a first input signal, and a first output configured to output a first output signal. The transmitter circuit further comprises... Agent: Imec

20120063498 - Highly flexible and efficient mac to phy interface: A plurality of media access controllers (MACs) are time division multiplexed with one or more serializer/deserializer (SerDes) devices, wherein there are more MACs than SerDes devices and/or a single multi-rate Ethernet MAC is able to communicate with a multi-rate PHY spanning speeds from 10 megabits per second to 10 gigabits... Agent:

20120063497 - Systems and methods for implementing application profiles and device classes in power line communication (plc) environments: Systems and methods for application profiles and device classes in power line communications (PLCs) are described. In some embodiments, a PLC device may include a processor and a memory coupled to the processor. The memory may be configured to store program instructions, which may be executable by the processor to... Agent: Texas Instruments Incorporated

20120063499 - Line testing: Embodiments related to line testing are described and depicted. A digital subscriber line testing apparatus comprises a plurality of resistors and a switching device. The switching device comprises first and second signal inputs to couple the switching device to a signal generator output, and a plurality of wire terminals. The... Agent:

20120063501 - Storing data relating to cables: A cable adapter apparatus (201) is disclosed having at least one adapter (203) and a controller (206). The adapter apparatus is operable to: determine connection of a cable test device (208) to a first port (230, 231, 232) of the at least one adapter; receive data from the test device... Agent:

20120063500 - System and method for channel state information feedback in wireless communications systems: A system and method for channel state information feedback in wireless communications systems are provided. A method for reporting channel information includes determining, at a user equipment, a channel information type for first channel information to be reported to a communications controller, determining the first channel information conditioned on previously... Agent: Futurewei Technologies, Inc.

20120063502 - Digital broadcast transmitter, digital broadcast receiver, and methods for configuring and processing streams thereof: A method for processing a stream of a digital broadcast transmitter, the digital broadcast transmitter, a method of processing a stream of a digital broadcast receiver, and the digital broadcast receiver are provided. The method includes: configuring a stream including a slot to which mobile data is allocated; and encoding... Agent: Samsung Electronics Co., Ltd.

20120063503 - Methods and apparatus for orthogonal modulated signals: Methods and corresponding systems for providing and demodulating an orthogonal modulated signal where demodulation includes separating a sampled orthogonal modulated signal into in phase and quadrature samples, deriving first and second equalizer coefficients based on corresponding in phase and quadrature samples and further, respectively, based on a first and second... Agent: Freescale Semiconductor, Inc.

20120063505 - Power transmitter and wireless power transmission system: A power transmitter 50 is usable in a wireless power transmission system for transmitting power wirelessly. The power transmitter 50 includes a power transmitting section 51 for transmitting power; a communication section 52 for communicating information, for controlling the transmission of the power, with the power receiver 60; and a... Agent: Panasonic Corporation

20120063504 - System and method for crystal oscillator frequency tuning: An oscillator may include a crystal resonator, an inverter coupled in parallel with the crystal resonator, a first switched capacitor coupled to a first terminal of the crystal resonator, a second switched capacitor coupled to a second terminal of the crystal resonator, a control module configured to output a periodic... Agent:

20120063507 - System and method for remote presentation provision: The present invention includes a method for delivering a composite video. A computing device requests a composite video configured to play on the computing device, wherein the composite video comprises at least two assets. The computing device receives information associated with the at least two assets, Based on the received... Agent: Lightspeed Vt LLC

20120063506 - Techniques enabling video slice alignment for low-latecy video transmissions over mmwave communications: An embodiment of the present invention provides an apparatus, comprising, a transceiver adapted for low-latency video transmissions over mmWave communications by using a slice alignment indication field in an audio/video protocol adaptation layer (A/V PAL) packet header to indicate whether a payload is aligned at a slice boundary and thus... Agent:

20120063508 - Transmitting apparatus, transmitting method, receiving apparatus, receiving method, program, and broadcasting system: A broadcasting system includes: a transmitting apparatus transmitting contents, and a receiving apparatus receiving the contents transmitted thereto. The transmitting apparatus includes a trigger information generating section, an encoding section, a multiplexing section, and a sending section. The receiving apparatus includes a receiving section, a multiply separating section, a decoding... Agent:

20120063509 - Reformatting data to decrease bandwidth between a video encoder and a buffer: A reference picture buffer may supply an asymmetric macroblock to a video encoder to improve the bandwidth between the encoder and buffer. The macroblock width may be sized to match the minimum burst width of the buffer. The size of the macroblock may be kept unchanged by reducing the macroblock... Agent:

20120063510 - Video bit-rate control: This document relates to video transport systems and in particular, though not exclusively, where several compressed or encoded video services are multiplexed into a fixed bit rate transmission stream. There is provided a method of allocating bit-rates for video services in a transport channel. The method comprises receiving user defined... Agent:

20120063512 - Video coding and decoding method using weighted prediction and apparatus for the same: A video coding and decoding method using a weighted prediction and an apparatus for the same are provided. The video coding method includes generating a predicted image for a present block; generating a weighted prediction factor which is a scaling factor of the predicted image that minimizes the difference between... Agent: Samsung Electronics Co., Ltd

20120063513 - System and method for encoding video using temporal filter: A system and method for encoding a video is disclosed having a plurality of frames with spatially correspondent macroblocks. The method includes selecting a coding mode for each spatially correspondent macroblock, such as intra-frame coding or inter-frame coding. A weighting value is determined for each pixel in the macroblock based... Agent: Google Inc.

20120063514 - Method for performing hybrid multihypothesis prediction during video coding of a coding unit, and associated apparatus: A method for performing hybrid multihypothesis prediction during video coding of a coding unit includes: processing a plurality of sub-coding units in the coding unit; and performing motion vector derivation of a portion of the sub-coding units. More particularly, the step of performing motion vector derivation of the portion of... Agent:

20120063515 - Efficient coding of video parameters for weighted motion compensated prediction in video coding: This disclosure relates to techniques for efficient coding of video parameters for weighted motion compensated prediction in video encoding and decoding. A video coding device may code a video block using weighted motion compensated prediction with respect to prediction data generated based on at least one motion vector and video... Agent: Qualcomm Incorporated

20120063517 - Method and apparatus for hierarchical picture encoding and decoding: A residual picture is decoded first by demultiplexing an input enhancement layer bitstream into one or more bitstreams corresponding to an order of quality layers. Next, a residual picture is restored by independently decoding the bitstream for each quality layer. The restored residual picture is stored in a frame buffer.... Agent: Samsung Electronics Co., Ltd.

20120063516 - Motion estimation in enhancement layers in video encoding: A method for encoding a video sequence in a scalable video encoder is provided that includes selecting a first search window configuration for coding a current picture of the video sequence in an enhancement layer encoder of the scalable video encoder based on motion vectors generated by a reference layer... Agent:

20120063511 - Apparatus for encoding and decoding header data in picture signal transmission: A picture decoding method and apparatus for decoding a bit stream, the bit stream being compatible with MPEG 1 moving picture video standard. The method includes receiving, via an input terminal, from a bit stream that includes extension data added in a header of a picture layer of the bit... Agent:

20120063518 - Devices, methods, and systems for building monitoring: Devices, methods, and systems for building monitoring are described herein. One or more embodiments include a first transceiver coupled to a first phase of a power system of a building and configured to receive and send data over the first phase of the power system, a second transceiver coupled to... Agent: Honeywell International, Inc.

20120063525 - Array antenna arrangement: A wireless communication system comprising at least one base station in a communication cell, wherein the base station is equipped with at least one array antenna comprising at least two antenna ports which are connected to respective at least two corresponding antenna elements, wherein at least two of the at... Agent:

20120063523 - Communication system, information transmission method, code setting method, base station, and mobile station: A communication system includes a communication station that converts a value information into a code value based on a corresponding relationship in which a difference between a first value information and a second value information is set to any value equal to or greater than two, where the second value... Agent: Fujitsu Limited

20120063521 - Fractional-n phase locked loop, operation method thereof, and devices having the same: A fractional-N phase locked loop is provided. The fractional-N phase locked loop includes a phase adjusting circuit detecting a phase difference between a reference clock signal and a feedback clock signal and outputting a plurality of phase clock signals in response to the detected phase difference, a phase selector selecting... Agent:

20120063526 - Method and apparatus for transmitting data, and communication system: The present invention discloses a method for transmitting data. In the embodiments of the present invention, whether to send blocking information used to block low priority data sent by an upper layer is determined through monitoring a delay of data during transmission, so as to prevent data overflow in a... Agent: Huawei Technologies Co., Ltd.

20120063522 - Method for directional digital data transmission between an aircraft and a ground station: The invention relates to a method for digital and directional data transmission between aircraft and ground stations. In this arrangement data is exchanged digitally and directly, in other words directly by means of directional antennae, between the aircraft and the ground stations. Furthermore, transmission lobes are adapted during flight, and... Agent: Airbus Operations Gmbh

20120063519 - Receiver with feedback continuous-time delta-sigma modulator with current-mode input: In accordance with some embodiments of the present disclosure, a receiver may include a downconverter configured to demodulate a modulated wireless signal to produce a current-mode baseband signal and an analog-to-digital converter (ADC) configured to convert the current-mode baseband signal into a digital output signal. The downconverter may be coupled... Agent:

20120063520 - Semiconductor integrated circuit, radio communication device and time to digital converter: According to one embodiment, a semiconductor integrated device includes a digitally controlled oscillator, a counter, a time to digital converter, an adder, and a control signal generator. The time to digital converter includes a frequency-divider, a plurality of impedance elements, and a phase difference detector. The frequency-divider is configured to... Agent: Kabushiki Kaisha Toshiba

20120063524 - Signaling system with adaptive timing calibration: A signaling system is disclosed. The signaling system includes a first integrated circuit (IC) chip to receive a data signal and a strobe signal. The first IC includes circuitry to sample the data signal at times indicated by the strobe signal to generate phase error information and circuitry to output... Agent:

20120063527 - Receiver, channel state information compressing method, and computer program: A receiver receives a signal from a transmitter via communication channels, informs the transmitter of channel state information, and includes a channel correlation value computation unit that computes a correlation value assigned to each channel state information combination; a conversion input data generation unit that determines a channel state information... Agent:

20120063530 - Communication device: The configuration of a system for conventional MIMO-OFDM transmission is complicated because different phase rotations are applied to respective subcarriers and antennas. Therefore, a system includes: a copy unit that copies a group composed of a predetermined number of symbols and a predetermined number of subcarriers to produce a plurality... Agent: Mitsubishi Electric Corporation

20120063529 - Inter-cell interference mitigation method using spatial covariance matrix estimation method for inter-cell interference mitigation of mimo antenna ofdm system: Disclosed is an inter-cell interference mitigation method using a spatial covariance matrix (SCM) estimation method in a multi-input multi-output (MIMO) orthogonal frequency division multiplexing (OFDM) communication system for mitigating interference between asynchronous cells. The inter-cell interference mitigation method includes extracting a reference symbol (RS) of a received OFDM symbol and... Agent: Sungkyunkwan University Foundation For Corporate Collaboration

20120063528 - System and method for power control in mimo systems: The return channel in a multiple-input and multiple-output (MIMO) communication system is used to provide signal information on an individual-channel basis. In one embodiment, in a controlled factory environment, this information may be used to incrementing up or down the variable gain amplifier and/or the power amplifier of a MIMO... Agent:

20120063531 - Dynamic digital communication system control: Control of a digital communication system having a plurality of communication lines on which signals are transmitted and received is implemented using a variety of methods and systems. According to one embodiment of the present invention, a method is implemented where the signals are affected by interference during transmission and... Agent: The Board Of Trustees Of The Leland Stanford Junior University

20120063532 - Reception device, receiving method, communication system, and communication method: The filtering unit (203) is configured to perform a filtering process in a time domain so as to reduce a signal element of a non-desired user from a received signal. The interference canceller (205) is configured to cancel, from the signal having been subjected to the filtering process, an interference... Agent:

20120063533 - Encoding and decoding using constrained interleaving: Serially-concatenated codes are formed in accordance with the present invention using a constrained interleaver. The constrained interleaver cause the minimum distance of the serial concatenated code to increase above the minimum distance of the inner code alone by adding a constraint that forces some or all of the distance of... Agent:

20120063539 - Lane-to-lane skew reduction in multi-channel, high-speed, transceiver circuitry: Controllable delay circuitry is included in each channel of multi-channel, high-speed, serial transmitter and/or receiver circuitry to compensate for or to at least help compensate for possible skew (different signal propagation time) between the various channels. In systems employing CDR circuitry, the delay circuitry may be at least partly controlled... Agent: Altera Corporation

20120063541 - Method and device for determining estimated values for transmitted symbols in a mimo-ofdm system: A method for determining estimated values for data symbols transmitted from at least four transmission antennas of a MIMO transmission system, which are encoded according to the Matrix B transmission mode and weighted with coefficients (vi). The method including determining hypotheses ({tilde over ({right arrow over (S)}1-4, {tilde over ({right... Agent: Rohde & Schwarz Gmbh & Co. Kg

20120063536 - Method and device for processing a digital complex modulated signal within a polar modular transmission chain: Method of processing a digital complex modulated signal, comprising performing pre-processing said digital complex modulated signal (DCMS) for obtaining a pre-processed digital complex modulated signal (PPRS) and performing a Cartesian to polar conversion of said pre-processed signal, said pre-processing including analysing the trajectory of said digital complex modulated signal and... Agent: St-ericsson Sa

20120063538 - Method for transmitting an information sequence: Methods and apparatus are disclosed for applying successive multi-rank beamforming strategies (e.g., successive precoding strategies) for the design of precoders over a set of parallel channels. Successive beamforming is applied to a narrow band channel model and is also applied for finer quantization of a single beamforming vector (e.g., recursive... Agent: Nec Laboratories America, Inc.

20120063540 - Ofdm signal transmission method and apparatus: An orthogonal frequency division multiplexing (OFDM) signal transmission apparatus which transmits OFDM signals by using a plurality of transmission antennas includes a subcarrier setting device which sets signals for subcarriers so as to use some of the subcarriers of the OFDM signals as pilot subcarriers to transmit pilot signals and... Agent:

20120063534 - Signal transmission system with clock signal generator configured for generating clock signal having stepwise/smooth frequency transition and related signal transmission method thereof: A signal transmission system includes a first clock signal generator and a second clock signal generator. The first clock signal generator is configured for generating a first clock signal according to clock information derived from a transmitted signal, wherein the transmitted signal is changed in response to a frequency change... Agent:

20120063535 - Transmitting apparatus and receiving apparatus: According to one embodiment, a transmitting apparatus includes a generation unit, a division unit, an imparting unit and a transmitting unit. The generation unit generates first control information in accordance with a first information format. The division unit divides the first control information into control information pieces in accordance with... Agent:

20120063537 - Turbo coding having combined turbo de-padding and rate matching de-padding: Turbo coding having combined turbo de-padding and rate matching de-padding. An approach is presented by which a singular module is operable to perform both zero bit de-padding and dummy bit de-padding in accordance with turbo encoding. Zero padding can be performed on an input information stream before undergoing turbo encoding.... Agent: Broadcom Corporation

20120063542 - Novel wide null forming system with beamforming: A novel wide null forming system achieves both wide bandwidth and beam width null through employing an antenna array to receive and transmit signals to which a complex null weight vector, calculated by perturbation program, is applied. The novel wide null forming system includes a multiple-element antenna array for receiving... Agent:

20120063543 - Transmitted with quantization noise compensation: The invention discloses a transmitter (300, 400, 600) comprising a pulse encoder (305) for creating pulses from the amplitude of an input signal to the transmitter, a compensation signal generator (315) for cancelling quantization noise caused by the pulse encoder (305), a mixer or I/Q modulator (307) for mixing an... Agent: Telefonaktiebolaget Lm Ericsson (publ)

20120063544 - Method and device for pre-distorting an exciter and predistortion exciter: A method for pre-distorting an exciter includes obtaining a characteristic curve of a radio frequency (RF) amplifier, obtaining a first relationship between a gain amplitude correction value and an input power and a second relationship between a gain phase correction value and the input power based on the characteristic curve,... Agent:

20120063545 - Method and system for enhancing efficiency by modulating power amplifier gain: Aspects of a method and system for enhancing efficiency by modulating power amplifier (PA) gain are presented. Aspects of the system may comprise a PA gain modulator that enables modification of an amplitude of a digital baseband signal. A baseband processor may enable computation of a first gain value based... Agent: Broadcom Corporation

20120063548 - Digital receiver and method: A receiver and method is provided for sigma-delta converting an RF signal to a digital signal and downconverting to a digital baseband signal. The RF signal is split into N phases, as can be accomplished using a sample and hold circuit, and each phase is digitized, as can be accomplished... Agent:

20120063546 - Phase-locked loop circuit: A voltage-controlled oscillator generates a first signal and a second signal having a phase reverse to that of the first signal. A switch supplies a current signal generated by a first charge pump to a loop filter. A counter counts a cycle number of the second signal included in one... Agent:

20120063547 - Receiver and method for determining a time measure depending on a time of arrival of a pulse signal: A receiver for determining a time measure depending on a time of arrival of a pulse signal having a sequence of pulses from a transmitter includes an integrator having a variable and controllable integration window, extending from a starting point to an integrator sampling point, an integrator controller for controlling... Agent:

20120063549 - Signal receiving apparatus, signal receiving method and signal receiving program: A signal receiving apparatus has: a radius identifying section configured to identify a radius representing a distance from an origin on an IQ plane of signal points each corresponding to a symbol obtained from a received signal modulated by adoption of an APSK modulation method; and a parameter outputting section... Agent: Sony Corporation

20120063550 - Receiver with orthogonal beam forming technique: A receiver with orthogonal beam forming technique is achieved that is capable of differentiating different signal components within the received composite signal. An adaptive processor is used to eliminate the signal component whose phase information is known or can be calculated. The phase information of the major component of a... Agent:

20120063551 - Digital frequency locked delay line: A device includes a signal generator having a delay locked circuit for providing a number of output signals based on an input signal. The output signals have a fixed signal relationship with each other and with the input signal. The signal generator also includes a selector for selecting an enable... Agent:

20120063552 - Electro-magnetic interference reduction for switched signal systems: In one embodiment, a method receives a pulse width modulation signal. A value that is a function of the pulse width modulation signal is determined. The value is used to modulate a switching frequency of the pulse width modulation signal to generate a modulated pulse width modulation signal. The applied... Agent:

20120063553 - Low power, multi-chip diversity architecture: A multi-chip antenna diversity architecture includes a first receiver chip including a first tuner, and a first demodulator directly connected to the tuner. The first demodulator demodulates the first input signal received from the first tuner. A first power sequencer that controls the first receiver chip, and a first chip... Agent: Newport Media, Inc.

20120063554 - Oversampled synthesizer systems and methods: Systems and methods for combining digital input signals in an oversampled synthesizer system are provided. An inverse Fourier transform component is configured to receive a plurality of digital input signals, having a first sampled rate, and produce a corresponding representation of a wideband signal as a plurality of parallel outputs.... Agent:

20120063555 - Saw-less, lna-less low noise receiver: A low noise receiver includes a downconverter configured to receive a radio frequency (RF) signal, the downconverter comprising a switching architecture configured to generate a plurality of output phases based on a respective plurality of local oscillator (LO) signals, a differencing circuit configured to combine the plurality of output phases... Agent: Skyworks Solutions, Inc.

20120063557 - Phase adjustment circuit, receiving apparatus and communication system: A phase adjustment circuit includes: a serial-to-parallel conversion section configured to convert serial data including a synchronization pattern inserted into a predetermined position into parallel data in response to a clock; a synchronization-pattern-position detection section configured to detect the position of the synchronization pattern in the parallel data generated by... Agent: Sony Corporation

20120063556 - Techniques for varying a periodic signal based on changes in a data rate: A circuit includes a phase detection circuit, a phase adjustment circuit, and a sampler circuit. The phase detection circuit compares a phase of a first periodic signal to a phase of a second periodic signal to generate a control signal. The phase adjustment circuit causes the phase of the second... Agent: Altera Corporation

  
03/08/2012 > 47 patent applications in 23 patent subcategories. listing by industry category

20120057618 - System and method for detecting victim signal in mb-ofdm uwb communication system: To detect a victim signal in an ultra wideband communication system, fast Fourier transform of a received signal including a plurality of time symbols is performed to generate a signal including a plurality of frequency symbols, it is determined whether a first signal is present in a first region of... Agent: Electronics And Telecommunications Research Institute

20120057620 - Radio communication device, radio communication system, radio communication method, and program for executing radio communication method: A radio communication system of the present invention comprises a radio communication device which transmits or receives a first beacon signal and a second beacon signal. A beacon transmission radio communication device transmits the first beacon signal in a preset timing pattern P1, while a beacon signal reception radio communication... Agent: Panasonic Corporation

20120057619 - Relay apparatus and relay method: A relay apparatus is disclosed for relaying a signal from a transmitter to a receiver in a MIMO (Multiple Input Multiple Output) based communication system, comprising: a power difference determination unit configured to determine a difference of reception levels between a direct wave and a relayed wave based on positional... Agent: Ntt Docomo, Inc.

20120057622 - Communication apparatus, communication method, computer program, and communication system: Frame exchange is performed between an access point and terminals whereby the access point estimates delay times of the terminals and notifies the terminals of information on the delay times and the terminals perform uplink frame transmission to the access point taking a difference among the delay times into consideration.... Agent:

20120057621 - Diversity receiver: A diversity receiver includes a first receiving channel and a second receiving channel. The receiver also includes a baseband processor that computes a difference between the received signal strengths of the signals received from the first and second channels, wherein the processor disables the signal received from the second channel... Agent: Maxlinear, Inc.

20120057623 - Apparatus and method for power control in broadband wireless access system: Uplink power control in a broadband wireless access system is provided. A Base Station (BS) includes a controller, a first generator, a second generator, and a modulator/demodulator (modem). The controller determines to apply one of a first power control which is slot-periodic and a second power control which is frame-periodic.... Agent: Samsung Electronics Co. Ltd.

20120057624 - Communication apparatuses and wireless communications modules: A communication apparatus having a first and second wireless communications modules is provided. The first wireless communications module includes a receiving unit receiving RF signals from an air interface, a signal processing module performing frequency down conversion on the RF signals to generate baseband signals according to a clock signal,... Agent: Mediatek Inc.

20120057625 - Method and device for transmitting and receiving signal in wireless communication system: The present invention discloses a method and device for transmitting and receiving a signal in a wireless communication system. The method for transmitting a signal in a wireless communication system according to the present invention comprises: receiving an original data block to be transmitted, the length of the original data... Agent: Sony Corporation

20120057627 - Adaptation circuitry and methods for decision feedback equalizers: Decision feedback equalizer (“DFE”) circuitry bases determination of the coefficients that are used in its various taps on the algebraic sign of the current value of an error signal and prior serial data signal values output by the DFE circuitry. Use of such algebraic sign information (rather than full error... Agent:

20120057626 - Adaptation of crossing latch threshold: An apparatus including a bang-bang clock data recovery module and a decision feedback equalizer. The decision feedback equalizer is coupled with the bang-bang clock data recovery module. The apparatus is configured to reduce an effect on a settling point of the bang-bang clock and data recovery module due to coupling... Agent:

20120057628 - System and method for ofdm reception in the presence of doppler effect based on time domain windowing: The receiver also has a DFT block (such as FFT) for demodulating said windowed OFDM symbol into the frequency domain equivalent wherein the windowings of the at least two parallel processing chains have complementary profiles so as to avoid any loss of information throughout the OFDM sample. The invention also... Agent: St-ericsson Sa

20120057630 - Low complexity transform coding using adaptive dct/dst for intra-prediction: A method and apparatus encode and decode video by determining whether to use discrete cosine transform (DCT) and DST for each of the horizontal and vertical transforms. During encoding, an intra-prediction is performed based on an intra-prediction mode determined for an M×N input image block to obtain an M×N intra-prediction... Agent:

20120057629 - Rho-domain metrics: Video encoders, systems and methods are described that characterize video encoding processes using a ρ-domain deviation metric. The deviation metric represents a weighted difference between actual non-zero coefficients and the expected non-zero coefficients, the actual and expected coefficients corresponding to quantization of a macroblock in a video frame during video... Agent:

20120057632 - Image processing device and method: A precision flag generating unit 93 compares the precision parameters of the motion vector information of a current block from a current motion vector precision determining unit 91, and the precision parameters of the motion vector information of an adjacent block from an adjacent motion vector precision determining unit 92,... Agent:

20120057631 - Method and device for motion estimation of video data coded according to a scalable coding structure: A technique for searching a reference picture including a plurality of reference blocks for a block that best matches a current block in a current picture. A subset of current blocks is designated in a current picture. A first search operation is applied to the subset of current blocks and... Agent: Canon Kabushiki Kaisha

20120057634 - Systems and methods for video content analysis: Video analytics systems and methods are described that typically comprise a video encoder operable to generate macroblock video analytics metadata (VAMD) from a video frame. Functional modules receive the VAMD and an encoded version of the video frame is configured to generate video analytics information related to the frame using... Agent:

20120057635 - Technique for bringing encoded data items into conformity with a scalable coding protocol: A technique for making media content in the form of encoded data items decodable by a decoder operating in accordance with a scalable coding protocol that defines two or more media layers is provided. A method implementation of this technique comprises the steps of generating one or more dummy data... Agent:

20120057633 - Video classification systems and methods: Video encoder systems and methods are described that employ table-based content classification. One or more tables relate quantization parameters and P-points for a frame of video that typically comprises macroblocks. A deviation representative of a difference between original and decoded versions of a macroblock is determined, the deviation being further... Agent:

20120057636 - System and method for skip coding during video conferencing in a network environment: A method is provided in one example and includes receiving an input video, and identifying values of pixels from noise associated with a current video image within the video input. The method also includes creating a skip-reference video image associated with the identified pixel values, and comparing a portion of... Agent: Cisco Technology, Inc.

20120057639 - Apparatus for encoding and decoding header data in a picture signal transmission: A picture decoding method and apparatus for decoding a bit stream, the bit stream being compatible with MPEG 1 moving picture video standard. The method includes receiving, via an input terminal, from the bit stream that includes extension data added in a header of a picture layer of the bit... Agent:

20120057638 - Apparatus for encoding and decoding header data in picture signal transmission: A picture decoding method and apparatus for decoding a bit stream, the bit stream being compatible with MPEG 1 moving picture video standard. The method includes receiving, via an input terminal, from the bit stream that includes extension data added in a header of a picture layer of the bit... Agent:

20120057637 - Arithmetic decoding acceleration: Mechanisms for performing decoding of context-adaptive binary arithmetic coding (CABAC) encoded data. The mechanisms receive, in a first single instruction multiple data (SIMD) vector register of the data processing system, CABAC encoded data of a bit stream. The CABAC encoded data comprises a value to be decoded and bit stream... Agent: International Business Machines Corporation

20120057640 - Video analytics for security systems and methods: Video processing, encoding and decoding systems are described. A processor receives video frames representative of a sequence of images captured by a video sensor and the video frames are encode according to a desired video encoding standard. A video analytics processor receives video analytics metadata generated by the video encoder... Agent:

20120057641 - Transmitting method and a receiving method of a modulated data stream: The present invention relates to a transmitting and a receiving methods of a modulated data stream (MOD). It is characterized in that at the transmitting side, it comprises the steps of: Generating a mixed data stream (MD) on the basis of mixing a first data stream (HP) with a second... Agent: Alcatel Lucent

20120057642 - Digital video physical layer using a multi-level data code: A system for communicating data comprises a clock channel configured to transmit a clock signal at a predetermined rate and at least one data channel configured to transmit data as a sequence of blocks of multi-level symbols being sent at a fixed multiple of the clock rate. Each block of... Agent: Crestron Electronics, Inc.

20120057645 - method for communicating in a network: The present invention relates to a method for operating a communication system in a network, the system comprising a primary station and at least one secondary station, the primary station comprising a plurality of transmit antennas and the secondary station comprising a plurality of receive antennas, the method comprising the... Agent: Koninklijke Philips Electronics N.v.

20120057644 - Information processing method, device, and system: In the field of communications, an information processing method, device, and system are provided. The information processing method includes: receiving Precoding Control Indications (PCIs); determining a target PCI according to statistics of the PCIs and/or sources of the PCIs; and performing uplink Multiple Input Multiple Output sending control according to... Agent:

20120057643 - Multiple input, multiple output wireless communication system, associated methods and data structures: Briefly, in accordance with one or more embodiments, in response to receiving a wireless communication signal, a non-uniform codebook is generated based at least in part on one or more characteristics of the received wireless communication signal for quantization and communication back to a source of the received signal. The... Agent:

20120057648 - Method for encoding data with at least two encoding steps, and at least one permutation step, corresponding encoding device, computer program and signal: A method is provided for encoding data to be sent to at least one receiver, including at least two identical encoding steps and at least one permutation step. Each encoding step associates a block of encoded data with a block of data to be encoded, using at least two basic... Agent: Institut Telecom/ Telecom Bretagne

20120057647 - Method, apparatus and system for transmitting information bits: A method, an apparatus, and a system for transmitting information bits, where the method for transmitting information bits includes: dividing the information bits to be transmitted into at least two groups; encoding the information bits to be transmitted in each group; modulating the coded bits obtained by the encoding to... Agent: Huawei Technologies Co., Ltd.

20120057646 - Methods and apparatus for encoding and transmitting mobile device location information: Methods and apparatus for communicating the location of a mobile wireless communications device are described. Codewords, e.g., values or sets of bits, are selected from a codebook mapping different codewords to corresponding pieces of location information. In a first approach location information is communicated by using codewords from different codebooks... Agent: Qualcomm Incorporated

20120057649 - Radio transmission apparatus, radio communication base station apparatus, radio communication mobile station apparatus, and transmission signal generating method: A base station allowing mobile stations to efficiently remove interference signals. In this base station, an encoding part performs an error correction encoding of transport data to generate a bit sequence comprising systematic bits and parity bits; a repetition part repeats, as a repetition subject, only the parity bits out... Agent: Panasonic Corporation

20120057652 - Channel equalizer and method of processing broadcast signal in receiving system: A channel equalizer for use in a receiving system includes an overlap unit, a first estimator, an interpolator, and a second estimator. The overlap unit overlaps a group of normal data packets including a head, a body, and a tail, and a known data region is periodically repeated in the... Agent:

20120057653 - Method for tuning a digital compensation filter within a transmitter, and associated digital compensation filter: A method for tuning a digital compensation filter within a transmitter includes: obtaining at least one resistance-capacitance (RC) detection result, wherein the digital compensation filter includes an RC compensation module; and tuning the digital compensation filter by inputting the RC detection result into the RC compensation module. For example, the... Agent:

20120057651 - Transmission apparatus and method: A transmission apparatus selects a single transmission channel through which a transmission signal is to be transmitted from among unoccupied available channels, forms the transmission signal so as to alleviate interference with adjacent channels according to occupancy states of an upper adjacent channel and a lower adjacent channel adjacent to... Agent: Electronics And Telecommunications Research Institute

20120057650 - Transmitting a signal from a power amplifier: A method for limiting peak-to-average power of a signal transmitted from a power amplifier. The method comprises: applying a pulse-shape filter to a first signal, thereby generating a second signal being a filtered version of the first signal; and outputting the second signal for transmission from a power amplifier. The... Agent: Icera Inc.

20120057654 - Selective peak power reduction: The present invention provides a technique for reducing the peak power of a combined signal that has a first signal of a first modulation type and a second signal of a second modulation type. Based on the combined signal, peak reduction distortion is determined. The peak reduction distortion is configured... Agent: Rockstar Bidco Lp

20120057655 - Polar transmitter suitable for monolithic integration in socs: The disclosed polar modulation transmitter circuit is configured to generate an output signal having a transmission frequency that minimizes crosstalk effects between different transmission bands (e.g., Bluetooth, GSM, UMTS, etc.). In particular, a polar modulation transceiver circuit, having an amplitude modulated (AM) signal and a phase modulated (PM) signal, comprises... Agent: Infineon Technologies Ag

20120057656 - Method and apparatus for passive radio frequency indentification (rfid) reader digital demodulation for manchester subcarrier signal: An apparatus and method for passive radio frequency identification (RFID) reader digital demodulation with respect to a Manchester subcarrier signal are disclosed. In a passive RFID environment where the Manchester subcarrier signal contains DC components in a frequency region, even when a tag signal containing the DC offset noise is... Agent:

20120057658 - Authenticating a signal based on an unknown component thereof: Authentication of a signal, signalA, that is provided as having been received from a source at a first global location by comparing it to a signal that is received from the source at a second global location, signalB, where signalB contains an unknown signal that is unique to the source,... Agent:

20120057659 - Communication terminal and method and program for controlling the same: A communication apparatus includes two or more receiving units differing in characteristics. The apparatus further includes a data detecting unit detecting data to be received, in an input signal, and a selecting unit that selects one out of the two or more receiving units, depending upon detected result and characteristics... Agent: Nec Casio Mobile Communications, Ltd.

20120057657 - Precoded data receiver: A multi-rank beamforming (MRBF) scheme in which the downlink channel is estimated and an optimal precoding matrix to be used by the MRBF transmitter is determined accordingly. The optimal precoding matrix is selected from a codebook of matrices having a recursive structure which allows for efficient computation of the optimal... Agent: Nec Laboratories America, Inc.

20120057661 - Mimo ofdm system: A MIMO OFDM system includes a plurality of space-time encoders for encoding respective data blocks with independent space-time codes. The transformed data block signals are transmitted by a plurality of transmit antennas and received by a plurality of receive antennas. The received data is pre-whitened prior to maximum likelihood detection.... Agent:

20120057660 - Mimo wireless system with diversity processing: A MIMO wireless system with Diversity processing is provided having Turbo Codes Decoders for computing orthogonal multipath signals from multiple separate antennas. The invention decodes multipath signals that have arrived at the terminal via different routes after being reflected from buildings, trees or hills. The Turbo Codes Decoder with Diversity... Agent: Icomm Technologies Inc.

20120057662 - Bit change determination method and bit change determination device: A bit change determination method includes performing a correlation operation of a signal received from a satellite and a replica code, segmenting the signal using a bit transition timing of navigation message data and performing a first calculation to calculate the result of the correlation operation for a first period... Agent: Seiko Epson Corporation

20120057664 - Method and apparatus for symbol timing recovery: Methods and apparatus for symbol timing recovery are provided. Both a coarse symbol timing recovery method and apparatus, and a fine symbol timing recovery method and apparatus are described which can be used jointly for symbol recovery, for example in phase shift keying receivers. The coarse method involves the use... Agent: Thomson Licensing A Corporation

20120057663 - Terminal state management in a telecommunications network: A signal transmitted in a radio telecommunications network is received (41). This radio signal carries a common pilot channel and another channel, with said other channel carrying state information. Then one obtains (42), from the radio signal, a first signal by channel estimation on the common pilot channel and a... Agent: St-ericsson Sa

  
03/01/2012 > 81 patent applications in 40 patent subcategories. listing by industry category

20120051400 - Method and apparatus for creating frame of ofdm specification using frequency domain spreading: Disclosed are a method and an apparatus for creating a frame of an orthogonal frequency division multiplexing (OFDM) specification using a frequency domain spreading (FDS). The method and the apparatus determine a number of padding bits based on various FDSs and a size of an interleaver and constitute a frame... Agent: Electronics And Telecommunications Research Institute

20120051401 - Beacon requests and rs bit resolving circular routes: The present technology relates to protocols relative to utility meters associated with an open operational framework. More particularly, the present subject matter relates to protocol subject matter for advanced metering infrastructure, adaptable to various international standards, while economically supporting a 2-way mesh network solution in a wireless environment, such as... Agent: Itron, Inc.

20120051402 - Hybrid bit extraction for global position receiver: A hybrid bit detection circuit for receiving bits from different global positioning systems, e.g. GPS and GLONASS, can include a frequency lock loop (FLL) for receiving the global positioning bits and removing Doppler frequency error and an integrate and dump (I&D) block coupled to an output of the FLL. A... Agent:

20120051403 - Method and apparatus for supporting communication service of communication terminal having relay function: An apparatus and method for supporting a communication service of a communication terminal having a relay function are provided. The method for supporting a communication service of a communication terminal includes verifying a current data transmission rate in a relay operation mode to determine a transmission power level of a... Agent: Samsung Electronics Co. Ltd.

20120051404 - Method for accommodating overlapping reference signal patterns: The present application describes embodiments of methods and apparatuses that may be used to accommodate different reference symbol patterns. One embodiment of the method includes identifying overlapping resource element(s) in a resource block by comparing a first pattern of resource elements associated with first reference symbols to a second pattern... Agent:

20120051405 - Secure satellite modem for personal digital assistant method and apparatus: A system for enabling communication utilizing a satellite communications network includes a mobile communication device and a satellite modem apparatus. A text message is generated at the mobile communication device and transmitted to the satellite modem apparatus using a short range wireless protocol. The satellite modem transmits the text message... Agent:

20120051406 - Circuit and method for computing circular convolution in streaming mode: A circuit and method for computing the circular convolution of an input signal with a finite impulse response operates to store initial input samples of the input signal, perform convolution of the remaining input samples in the block of input samples and then supplying the stored initial input samples for... Agent: Qualcomm Incorporated

20120051407 - Apparatus and methods for sampling rate conversion for wireless transceivers: Disclosed are methods and apparatus for sampling rate conversion in a wireless transceiver. The methods and apparatus achieve agile setting of sampling rates or resampling by adaptively setting a sampling rate of a signal based on at least one performance requirement of the transceiver. In particular, the methods and apparatus... Agent: Qualcomm Incorporated

20120051408 - Beamforming feedback options for mu-mimo: Beamforming may be used in MIMO communication systems to further enhance spectral efficiency. Beamforming refers to beamed transmissions to a single destination (e.g., a station) at a time, to enhance the rate and/or range of transmission. To perform beamforming from a source to one or more destinations, a channel and/or... Agent: Qualcomm Incorporated

20120051409 - Apparatus and method for controlling a tunable matching network in a wireless network: An apparatus and method manage impedance values in a radio in a wireless network. The apparatus includes a tunable matching network (TMN) positioned on a path between a transceiver and an antenna. The TMN includes a plurality of immittance elements. A voltage standing wave ratio (VSWR) detector is configured to... Agent: Samsung Electronics Co., Ltd.

20120051410 - Dsl noise cancellation: A method and apparatus in a noise cancellation system that receives a noise reference signal via a noise reference signal input port, and performs at least one of procedures a and b set forth below for reducing noise in a DSL data signal transmitted on a DSL transmission line to... Agent:

20120051411 - Full-duplex radio frequency echo cancellation: A system comprising a transmitter element creating an interrogation signal and transmitting the interrogation signal and a receiver element receiving a reflection signal of the interrogation signal and combining the reflection signal and a feedback signal to cancel at least a portion of radio frequency echo signals in the reflection... Agent: Symbol Technologies, Inc.

20120051413 - Method and apparatus for providing channel quality feedback in an orthogonal frequency division multiplexing communication system: In an Orthogonal Frequency Division Multiplexing communication system, a user equipment reports channel quality information that is sufficient to construct a fading profile of a frequency bandwidth and that does not consuming the overhead resulting from the reporting of CQI for every sub-band of the frequency bandwidth. In the communication... Agent: Motorola Mobility, Inc.

20120051412 - Symmetrical data signal processing: A digital communications receiver includes an input configured to receive, via a communications channel, a received first signal representing a sequence of symbols, each symbol being encoded to be representative of a plurality of data bits. A processor adjusts a magnitude and filters the received signal. An equalizer applies a... Agent: Ati Technologies Ulc

20120051414 - Apparatus and method for varying inter symbol interference and bandwidth extension pre-emphasis on a high speed digital signal: A signal generating device has a display, central processing unit and a waveform generating circuit. The central processing unit generates a user interface on the display for setting parameters for a serial data pattern and a parameter for an intersymbol interference and a bandwidth extension pre-emphasis effect on the serial... Agent: Tektronix, Inc.

20120051415 - Demodulation of 16-qam, dcm data symbols using two hybrid-qpsk constellations: In one embodiment, a demapper uses two hybrid-QPSK constellations to demap pairs of equalized data symbols recovered from 16-QAM, DCM OFDM symbols, wherein the equalized data symbols in a pair correspond to the same four-bit group. A first hybrid-QPSK constellation is generated by combining the real components of both 16-QAM... Agent: Agere Systems Inc.

20120051417 - Frequency offset and channel gain tracking for enhanced transmission efficiency: The present invention relates to an apparatus, method and computer program product for enhanced data reception, wherein a tracking procedure is enhanced to support long payloads by introducing additional channel-gain tracking applied together with frequency-offset tracking to the payload data. Thereby, both residual frequency offset and residual channel gain are... Agent: Koninklijke Philips Electronics N.v.

20120051416 - Symbol detection for alleviating inter-symbol interference: A receiver is configured to perform symbol detection based on a total frequency domain received signal that comprises contribution from a block of time domain symbols. The receiver comprises electronic circuitry operate to divide the block into plural sub-blocks, and for each sub-block, to jointly detect the symbols of the... Agent: Telefonaktiebolaget Lm Ericsson (publ)

20120051418 - Hybrid equalization system: A hybrid equalization system includes an equalization device, a target channel impulse response device, a maximum likelihood sequence estimation device and a multiplexer. The equalization device receives a sampled baseband signal and performs an equalization operation thereon for generating first estimated symbols. The target channel impulse response device convolutes the... Agent: Sunplus Technology Co., Ltd.

20120051419 - Image data transmitting apparatus, image data receiving apparatus, image data transmission system, image data transmitting method, and image data receiving method: A compression unit compresses image data. An marker insertion unit inserts a synchronization marker for each of the image data compressed by the image compression unit. A transmitter transmits the image data into which the synchronous marker has been inserted, using a transmission method of digital audio signals. A bit... Agent: Jvc Kenwood Holdings, Inc.

20120051420 - Method and apparatus for encoding: A method for encoding data is disclosed. In the method, a current need parameter is calculated for the encoder based on a complexity of video being input to the encoder. A need parameter bias value having a predetermined value is added to the current need parameter. A determination whether the... Agent: General Instrument Corporation

20120051421 - Methods and apparatus for improved quantization rounding offset adjustment for video encoding and decoding: There are provided methods and apparatus for improved quantization rounding offset adjustment for video encoding and decoding. An apparatus includes a video encoder for encoding an input coding unit by determining a residual for the input coding unit corresponding to a difference between the input coding unit and a reference... Agent:

20120051424 - Signal processing method and apparatus based on multiple textures using video sensor excitation signals: Disclosed herein is a signal processing apparatus and method based on multiple textures using video sensor excitation signals. For this, an input signal that includes a video signal and a sensor signal is divided into unit component signals, and one is selected from a plurality of frames of each unit... Agent: Electronics And Telecommunications Research Institute

20120051422 - Video processing method and apparatus based on multiple texture images: Disclosed herein is a video processing apparatus and method based on multiple texture images, which can process videos with optimal video quality at a low transfer rate. For this, an input video is divided into shot segments, and one is selected from a plurality of frames of each shot segment... Agent: Electronics And Telecommunications Research Institute

20120051423 - Video processing method and apparatus based on multiple texture images using video excitation signals: Disclosed herein is a video processing apparatus and method based on multiple texture images using video excitation signals. For this, an input video is divided into shot segment, and one is selected from a plurality of frames of each shot segment as a seed image. A plurality of texture points... Agent: Electronics And Telecommunications Research Institute

20120051426 - Code amount reducing apparatus, encoder and decoder: A sharp/blurred frame mode classifying unit specifies a frame to be subjected to sharp or blurred process. A 3D video signal extracting unit extracts a predetermined area or predetermined macro block in the specified target frame, and a 3D FFT 15 frequency-converts it to acquire a coefficient string. An intersection... Agent:

20120051425 - Multi-input adaptive filter based on combination of sum-modified laplacian filter indexing and quadtree partitioning: Filtering is applied at a video encoder, and filter information is encoded in the bitstream to enable a video decoder to identify the filtering that was applied at the video encoder. The video decoder receives encoded video data that includes the filter information, decodes the video data, and applies filtering... Agent: Qualcomm Incorporated

20120051427 - Mixed-mode resizing for a video transcoder: A video transcoder for converting a compressed input video bit-stream having one spatial resolution into a compressed output video bit-stream having a different spatial resolution using a plurality of resizing channels. The transcoder has a kernel that partially decodes the compressed input video bit-stream to generate partially decoded video data.... Agent: Lsi Corporation

20120051428 - Interpolation of video compression frames: Coding techniques for a video image compression system involve improving an image quality of a sequence of two or more bi-directionally predicted intermediate frames, where each of the frames includes multiple pixels. One method involves determining a brightness value of at least one pixel of each bi-directionally predicted intermediate frame... Agent: Dolby Laboratories Licensing Corporation

20120051429 - Apparatus for generating interpolated frame: Provided is a system for generating an interpolated frame, which includes an image decoding module configured to decode a first frame from an original image information, the first frame being divided into unit images, and an interpolated frame generating module configured to extract a motion information of each of the... Agent: Kia Motors Corporation

20120051432 - Method and apparatus for a video codec with low complexity encoding: A method and apparatus encode and decode a video that has been encoded with minimal computations. A first plurality of random measurements is taken for a first frame at an encoder. A subsequent plurality of random measurements is taken for each subsequent frame at the encoder such that the first... Agent: Samsung Electronics Co., Ltd

20120051430 - Methods for encoding and decoding sequence implementing a motion compensation, corresponding encoding and decoding devices, signal and computer programs: A method is provided for encoding an image sequence, including the step of dividing a reference image into blocks and a prediction step that includes the following steps: determining monitoring vectors associated with a common image and dividing the same into sub-blocks defining a first partition; determining monitoring vectors associated... Agent: France Telecom

20120051431 - Motion direction based adaptive motion vector resolution signaling for video coding: Video coding devices may signal or determine sub-integer pixel precision for motion vectors based on a direction of prediction for the motion vector, e.g., whether a reference frame is to be displayed earlier or later than a current frame. In one example, an apparatus includes a video encoder configured to... Agent: Qualcomm Incorporated

20120051434 - Video encoding: A computerized method for encoding video comprising: dividing a video frame into macroblocks; for each macroblock finding a minimal movement or minimal error motion estimation compensation algorithm pair that encodes and decodes said macroblock with a smallest amount of motion or error; and encoding said frame by encoding each macroblock... Agent:

20120051433 - Video processing device and video processing method: While temporal and spatial direct modes are both supported, the amount of temporarily-stored direct-mode prediction information is reduced, thereby reducing the memory bus bandwidth. A motion information generator combines a motion vector for an anchor block with the number of a reference picture of the anchor block, thereby generates motion... Agent: Panasonic Corporation

20120051435 - Signal processing method and apparatus based on multiple textures using video audio excitation signals: Disclosed herein is a signal processing apparatus and method based on multiple textures using video audio excitation signals. For this, an input signal that includes a video signal and an audio signal is divided into unit component signals, and one is selected from a plurality of frames of each unit... Agent: Electronics And Telecommunications Research Institute

20120051439 - Apparatus for encoding and decoding header data in picture signal transmission: A picture decoding method and apparatus for decoding a bit stream, the bit stream being compatible with MPEG 1 moving picture video standard. The method includes, receiving, via an input terminal, from a bit stream that includes extension data added in a header of a picture layer of the bit... Agent:

20120051438 - Filter description signaling for multi-filter adaptive filtering: Filtering is applied at an encoder, and filter information describing a set of filters is encoded in the bitstream to enable a decoder to identify the filtering that was applied at the encoder. The decoder receives encoded video data that includes the filter information, decodes the video data, and applies... Agent: Qualcomm Incorporated

20120051436 - Method and apparatus for managing delivery of bits to a decoder: A method for managing delivery of encoded bits to a decoder is disclosed. In the method, a number of bits associated with a variable system delay is determined. The variable system delay is a time interval between each of a plurality of frames being encoded and decoded and is measured... Agent: General Instrument Corporation

20120051437 - Reducing reference frame data store bandwidth requirements in video decoders: A video processing apparatus, method and computer program are disclosed. The video processing apparatus comprises: first stage video processing circuitry for receiving a bitstream of compressed encoded video data representing a plurality of frames of video data and configured to perform one or more processing operations on the input compressed... Agent: Arm Limited

20120051441 - Method and apparatus for generating uncompressed video data packet: Provided are a method and apparatus for generating a packet including uncompressed video data. The method includes: generating color component bit information indicating the number of bits of each color component of pixels of the uncompressed video data; and generating a packet including the color component bit information and the... Agent: Samsung Electronics Co., Ltd.

20120051440 - Video transcoder with flexible quality and complexity management: A video transcoder for converting a compressed input video bit-stream having one spatial resolution into a compressed output video bit-stream having a different spatial resolution in a manner that enables the transcoder to dynamically change the amount of computational resources allocated to the conversion process. In one embodiment, the video... Agent: Lsi Corporation

20120051443 - Dtv transmitting system and receiving system and method of processing broadcast signal: A DTV transmitting system includes a pre-processor, a block processor, and a trellis encoder. The pre-processor pre-processes enhanced data by expanding the enhanced data at an expansion rate of 1/H. The block processor includes a first converter, a symbol encoder, a symbol interleaver, and a second converter. The first converter... Agent:

20120051442 - Video processor configured to correct field placement errors in a video signal: A video processor or other processing device incorporates functionality for correcting field placement errors in a video signal. The device obtains at least a portion of a current frame of a video signal, and compares a designated field of an adjacent frame of the video signal with a designated field... Agent:

20120051444 - Method and apparatus for communicating message signals in a load control system: A system for independent control of electric motors and electric lights includes a plurality of two-wire wallstations coupled in series via power wires between an alternating-current (AC) source and a light/motor control unit. The light/motor control unit is preferably located in the same enclosure as an electric motor and an... Agent: Lutron Electronics Co., Inc.

20120051449 - Communication with an elevator system: A method for communication between an elevator system and a remote control center includes establishing a communication connection in a communication network. A first signal of the elevator system is received by a communication device of the elevator system through a signal network, and a second signal is transmitted by... Agent: Inventio Ag

20120051446 - Method and apparatus for broadcasting with spatially diverse signals: A transmitter broadcasts a signal having a different code characteristic for each of several directions. A receiver receives the broadcast signal from one of the directions and generates an expected signal for that direction based on the code characteristic for that direction. The receiver detects the broadcast signal from the... Agent: Greenwich Technologies Associates

20120051445 - Method and apparatus for transmitting positioning reference signals in a wireless communication network: A method (300, 500) and apparatus (200) that transmits and/or receives positioning reference signals in a wireless communication network using a mixture of cyclic prefix types. The method may include configuring (320) subframes in the wireless communication network as multicast broadcast single frequency network subframes. The method may include configuring... Agent: Motorola, Inc.

20120051448 - Method of controlling digital image processing apparatus, digital image processing apparatus applying the method, and communication system including the digital image processing apparatus: Provided are methods of controlling digital image processing apparatus, in which a communication method may be transitioned to burst communication when an amount of data for communication with an external device is great, digital image processing apparatuses to which the methods are applied, and communication systems including the digital image... Agent: Samsung Electronics Co., Ltd.

20120051447 - Optimum interleaver design for a communication system: In a method for interleaving information bits in a physical layer (PHY) data unit, a channel bandwidth to be used for transmitting the PHY data unit is determined and a frequency rotation parameter NROT corresponding to the channel bandwidth is selected. A spatial stream constant is selected for each spatial... Agent:

20120051451 - Method and apparatus for transmitting feedback information on a reference signal: The present invention relates to a method wherein a terminal transmits control information in a wireless communication system, and comprises the steps of: receiving a first reference signal, which is transmitted according to a first transmission period, from a base station; receiving a second reference signal, which is transmitted according... Agent:

20120051450 - Precoding with reduced feedback for coordinated multipoint transmission on the downlink: Techniques for reducing the number of bits needed to specify the best precoding vector for each mobile station in a wireless communication network that employs multi-point transmission are disclosed. An exemplary method begins with the estimation of path loss between a mobile station and each of a plurality of geographically... Agent:

20120051456 - Digital broadcasting system and data processing method: A digital broadcasting system for transmitting/receiving a digital broadcasting signal and a data processing method are disclosed. First program table information and second program table information, which has an identifier different from an identifier of the first program information, are multiplexed and transmitted. The first program table information describes main... Agent:

20120051457 - Methods and systems for orthogonal frequency division multiplexing (ofdm) multiple zone partitioning: Aspects of the invention include methods and devices for inserting data and pilot symbols into Orthogonal Frequency Division Multiplexing (OFDM) frames having a time domain and a frequency domain. A method involves inserting in at least one zone of a first type a two dimensional array of data and pilot... Agent:

20120051452 - Modified coded hybrid subcarrier amplitude phase polarization modulation: Methods and systems for optical communication using hybrid subcarrier/amplitude/phase/polarization modulation are shown that include LDPC encoding a plurality of groups of bitstreams. The groups of bitstreams are mapped to the points of a three-dimensional constellation that is represented by the vertices of a regular polyhedron and its dual. Each group... Agent: Nec Laboratories America, Inc.

20120051453 - Open loop mimo mode for lte-a uplink: A precoding scheme to accommodate user equipment (UEs) having higher Doppler speeds. In such transmission schemes, a different precoding matrix is applied to each orthogonal frequency division multiplex (OFDM) symbol in the transmission stream. Additionally, a downlink control message format is defined to handle assignment of multiple different transmission schemes... Agent: Qualcomm Incorporated

20120051454 - Phase rotation for preambles within multiple user, multiple access, and/or mimo wireless communications: Phase rotation for preambles within multiple user, multiple access, and/or MIMO wireless communications. An appropriately designed phase rotation vector and/or appropriately designed cyclic shift delays (CSDs) are applied to respective sub-band components of the preamble. With appropriately designed CSDs, certain fields within the preamble are not modified. For example, a... Agent: Broadcom Corporation

20120051455 - Transmission device and transmission method: A transmission device capable of reducing the information amount of channel quality indicators (CQIs) without deteriorating throughput. In the device, an upper bit transmission control unit (104) sets the transmission intervals between upper bits of the CQIs inputted from an S/P conversion unit (103) to be longer than the transmission... Agent: Panasonic Corporation

20120051459 - Interference elimination method and data transmitting apparatus: An interference elimination method provided herein includes: the ith transmitter of a group transmitters obtains an interference vector of each user, where: the interference vector of the kth user is Hkiwim; obtains at least L−N linear combinations for each user, wherein: the linear combination includes linear combinations of aligned interference... Agent: Huawei Technologies Co., Ltd.

20120051458 - Method for setting cyclic shift considering frequency offset: A method for a user equipment to transmit a random access preamble sequence to a base station includes transmitting the random access preamble sequence generated from a Constant Amplitude Zero Auto Correlation (CAZAC) sequence to the base station, wherein the CAZAC sequence is cyclic shifted according to one of applicable... Agent:

20120051460 - Apparatus and method for transmitting and receiving data in a communication or broadcasting system using linear block code: Provided is a method for transmitting data in a communication or broadcasting system using a linear block code by generating a codeword by encoding input information data bits, interleaving the codeword; outputting modulation signal-constituting bits by bit-mapping the interleaved codeword using a bit-mapping table predetermined depending on a modulation scheme... Agent: Samsung Electronics Co., Ltd.

20120051461 - Receiving apparatus of communication system: The present invention relates to a receiving apparatus of a communication system, which comprises a receiving module, a selection unit, and a processing module. The receiving module receives an input signal and produces a first signal and a second signal. The phases of the first and the second signals are... Agent:

20120051462 - Integrated low-if terrestrial audio broadcast receiver and associated method: An integrated low-IF (low intermediate frequency) terrestrial broadcast receiver and associated method are disclosed that provide an advantageous and cost-efficient solution. The integrated receiver includes a mixer, local OSC oscillator generation circuitry, low-IF conversion circuitry, and DSP circuitry. And the integrated receiver is particularly suited for small, portable devices and... Agent: Silicon Laboratories Inc.

20120051466 - Frequency-domain multi-stage group detection for alleviating inter-symbol interference: A receiver comprises plural receive antennas and electronic circuitry. The plural receive antennas are configured to receive, on plural subcarriers transmitted over a radio interface, a frequency domain signal that comprises contribution from a block of time domain symbols. The electronic circuitry is configured or operable to perform symbol detection... Agent: Telefonaktiebolaget Lm Ericsson (publ)

20120051467 - Incrementally inclusive frequency domain symbol joint detection: In one of its aspects the technology disclosed herein concerns a method of operating a receiver. The method comprises performing symbol detection by (1) receiving a frequency-domain signal that comprises contribution from time-domain symbols transmitted from one or more transmit antennas; (2) generating a transformation matrix and a triangular matrix... Agent: Telefonaktiebolaget Lm Ericsson (publ)

20120051465 - Method and apparatus for decoding coded data streams: A system and method for decoding coded data streams is disclosed. In one embodiment, in a method for decoding coded data streams, a coded data stream including an embedded input clock signal is oversampled to measure substantially sequentially a plurality of pulse widths in a current frame using a sync... Agent:

20120051463 - Method and apparatus for multiple antenna communications, and related systems and computer program: An embodiment of an arrangement for detecting sequences of digitally modulated symbols from multiple sources. The arrangement identifies a suitable set of candidate values for at least one transmitted sequence of symbols and determines for each candidate value a set of sequences of transmitted symbols. The arrangement estimates at least... Agent: Stmicroelectronics S.r.l.

20120051464 - Ofdm signal reception in the presence of interference: Decoding a received Orthogonal Frequency Division Multiplex (OFDM) signal that occupies a first set of subcarriers in a radio frequency spectrum includes ascertaining an interference model that represents interference occurring in the first set of subcarriers caused by a transmitted OFDM signal that occupies a second set of subcarriers in... Agent:

20120051468 - Receiver and method for decoding a receive signal in a wireless communication system: The receiver includes a signal determiner, a soft information determiner and a soft information decoder. The signal determiner determines a complex receive value for the receive signal received from a relay station. Further, the soft information determiner obtains a soft information represented by a combination of a first probability value... Agent:

20120051469 - Channel-adaptive likelihood determination: Methods and systems to compute likelihood measures of demodulated, complex-coordinate data points, to and dynamically scale the likelihood measures as a function of a channel statistic, and to decode the data points from the scaled likelihood measures. Likelihood measures may be computed relative to all points, or a subset of... Agent:

20120051470 - System and method for iteration scheduling in joint equalization and turbo decoding: A system and method for iteration scheduling in joint equalization and turbo decoding are provided. A method for processing received information includes cancelling interference in a received signal bearing received information, decoding the interference cancelled received signal to produce information, and processing the received information. The cancelling comprises an iterative... Agent: Futurewei Technologies, Inc.

20120051472 - Correlator and demodulation device including correlator: The present invention provides a correlator and a demodulation device including, first and second filter sections having different non-overlapping pass-frequency characteristics, first and second delay circuits that delay the signals output from the first and second filter section by one effective OFDM symbol period, first and second complex conjugate circuits... Agent: Oki Semiconductor Co., Ltd.

20120051471 - Methods and systems to resolve cyclic ambiguity of a channel impulse response: Methods and systems to resolve cyclic ambiguity of a scattered-pilot based channel impulse response as a function of transmission parameter signalling (TPS), such as in a single frequency network, including to zero-pad a first orientation of the channel impulse response to an interval of an effective symbol duration of the... Agent:

20120051473 - Adaptive digital signal processing of a receive signal: A receiver is provided with a digital signal processing circuit to process a receive signal. In addition, the receiver includes an interference detector to detect an interference scenario affecting reception of the signal by the receiver. Depending on the interference scenario detected by the interference detector, the digital signal processing... Agent:

20120051474 - Apparatus for transmitting and receiving data to provide high-speed data communication and method thereof: In the present invention, data generated from a source unit are distributed to at least one bandwidth; the data distributed to the respective bandwidths are encoded in order to perform an error correction; the encoded data are distributed to at least one antenna; a subcarrier is allocated to the data... Agent: Electronics And Telecommunications Research Institute

20120051475 - Qr-rls adaptive digital filter with 18-bit pipeline architecture: A QR-RLS adaptive digital filter provides fast computation without excessive computational resources. 18-bit multipliers enhance speed, and a floating point inverse square root block adjusts dynamic range in 12-dB steps. A memory stores two P-matrix copies, one being delivered with rows shifted according to the clock speed so as to... Agent: Bae Systems Information And Electronic Systems Integration Inc.

20120051476 - Single stream phase tracking during channel estimation in a very high throughput wireless mimo communication system: In a multiple-input, multiple-output system, the wireless node's receive chain demodulation function is enhanced to include phase tracking. Instead of performing phase tracking during the data symbols which is cumbersome for very high throughput wireless networks, the VHT Long Training Fields (LTFs) embedded in the preamble of a frame are... Agent:

20120051479 - Clock frequency adjusting circuit and clock frequency adjusting method thereof: A clock frequency adjusting method includes the steps of: calculating a phase difference between a local signal and SOF signals or EOP signals in an external signal; counting a count value of the phase difference based on a clock frequency of a local oscillator; and adjusting the clock frequency according... Agent: Pixart Imaging Inc.

20120051477 - Dejitter (desynchronize) technique to smooth gapped clock with jitter/wander attenuation using all digital logic: Digital logic receives a gapped and jittery clock signal with specified frequency and frequency offset allowed by specification and a reference clock signal with same specified frequency and different frequency offset allowed by specification having low jitter. The digital logic adds and/or removes cycles from the reference clock signal over... Agent: Exar Corporation

20120051478 - Fast cycle slip detection and correction: A method of detecting and correcting cycle slip in a data stream including sync symbol blocks and data symbol blocks prior to feedback carrier recovery is described. A phase ambiguity angle is computed upon detecting a last sync symbol of a sync symbol block in the data stream. A cycle... Agent:

20120051480 - Phase locked loop, cdr circuit, and receiving circuit: In a phase locked loop, frequency-divided clocks each of which is given a phase difference of at least one cycle of a feedback clock are inputted to a first phase comparator and a second phase comparator, respectively, which are made to perform phase comparison with a reference clock. Then, outputs... Agent: Hitachi,ltd.

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