Pulse or digital communications inventions

20090262784 - Mixer circuit and communication apparatus including mixer circuit: A mixer circuit which outputs a first output signal and a second output signal, in which are mixed a first input signal and a second input signal, includes a first grounded source amplifier circuit which amplifies the first input signal, a second grounded source amplifier circuit which amplifies the second... Agent: Oliff & Berridge, PLC

20090262785 - Adaptive coexistence between different wireless communication systems: A first transceiver is operated in a first frequency band in the presence of a second transceiver operating in a second frequency band. Operation includes ascertaining an interference level at the first transceiver due to the second transceiver. A coexistence strategy for the second transceiver is dynamically selected by selecting... Agent: Potomac Patent Group PLLC

20090262786 - Polarization diversity: A communication device for receiving a signal in the form of a series of bursts, each burst being in one of a plurality of different available transmission modes, the communication device comprising: a receiver unit coupled to a single antenna operable to receive bursts in first and second polarizations, the... Agent: Greenberg Traurig LLP (la)

20090262787 - Method and apparatus for providing satellite television and other data to mobile antennas: A low profile low cost mobile in-motion antenna system for satellite TV reception.... Agent: D. Kligler I.p. Services Ltd

20090262788 - Method and device for feeding back and receiving downlink channel information: A method and a device for feeding back and receiving downlink channel information are disclosed, whereby spectrum utilization ratio of downlink channel information feedback is enhanced. According to the present invention, a wireless terminal superposes an uplink user information sequence with spectrum-spread downlink channel information before transmission. A network side... Agent: Leydig, Voit & Mayer, Ltd (for Huawei Technologies Co., Ltd)

20090262789 - Method and apparatus for performing signal correlation using historical correlation data: A method and apparatus for estimating a satellite signal parameter in a satellite positioning system receiver is described. In an example, a plurality of correlation results between a satellite signal and a reference signal is generated in response to a command from a processor. At least one satellite signal parameter... Agent: Mcandrews Held & Malloy, Ltd

20090262790 - Method of recovery from active port tx failure in y-cable protected pair: A method is provided for defect recovery in Y-cable protected pair connections in communication systems. A receiver at a remote end monitors for loss of signal on the single fiber optic cable arriving at the remote end, and transmits an RDI back to the local end where it is detected... Agent: Marks & Clerk

20090262791 - Multimode dsl line driver: A multimode DSL (digital subscriber line) line driver circuit is disclosed. The line driver circuit includes a switch network that enables the line driver circuit to be switched between multiple DSL communication configurations. Upon receipt of a mode control signal, the line driver circuit switches from a first DSL communication... Agent: Fiala & Weaver, P.l.l.c. C/o Cpa Global

20090262792 - Device, system and method for measuring signals: A system for measuring signals includes: a simulating device, adapted to simulate equalization for an incoming signal of an SERDES receiving chip and generate a response signal, and a feature output device, adapted to output the feature information of the response signal. The invention also discloses a method and a... Agent: Huawei Technologies Co., Ltd. C/o Darby & Darby P.C.

20090262793 - Noise performance by grouping users according to signal strength or modulation and coding scheme (mcs): Insight and rules are needed for how to handle scheduling in a way meaningful for network operation is explained, such as what transmissions can be delayed for scheduling and which cannot be delayed for scheduling, and how grouped transmissions can be used for interference avoidance. Certain embodiments of the present... Agent: Squire, Sanders & Dempsey L.L.P.

20090262794 - Digital transmitter: An equalizer provided in a digital transmitter compensates for attenuation in a signal channel to a digital receiver. The equalizer generates signal levels as a logical function of bit history to emphasize transition signal levels relative to repeated signal levels. The preferred equalizer includes an FIR transition filter using a... Agent: Hamilton, Brook, Smith & Reynolds, P.C.

20090262796 - equalizing filter circuit: An equalizing filter circuit includes a first transmission line in which a plurality of first delay devices 104a are connected in cascade to input terminal 101, a second transmission line in which a plurality of second delay devices 107a are connected in cascade to output terminal 102, a plurality of... Agent: Nec Corporation Of America

20090262795 - Adaptive equalizer tap stepsize: An apparatus comprises an adaptive filter having groups of taps, each group comprising at least one tap having an associated tap value; and a controller for selecting a scaling factor for at least one group of taps as a function of tap values of the group. The controller further adjusts... Agent: Thomson Licensing LLC

20090262797 - System and method of equalization of high speed signals: In one aspect, the present invention is directed to a technique of, and system for enhancing the performance of high-speed digital communications through a communications channel, for example a backplane. In this aspect of the present invention, a transmitter includes equalization circuitry to compensate for bandwidth limitations and reflections in... Agent: Pvf -- Synopsys, Inc C/o Park, Vaughan & Fleming LLP

20090262798 - Tone mapping for bit-depth scalable video codec: A scalable video codec may convert lower bit depth video to higher bit depth video using decoded lower bit depth video for tone mapping and tone mapping derivation. The conversion can also use the filtered lower bit depth video for tone mapping and tone mapping derivation.... Agent: Trop, Pruner & Hu, P.C.

20090262799 - Transmitting additional information in the headers of encapsulating data packets in mobile/handheld (m/h) dtv signals: Apparatus for transmitting digital data in an 8-vestigial sideband (8-VSB) signal format for reception by mobile/handheld (M/H) receivers is described. The apparatus for transmitting digital data includes a generator of MHE packet headers that include additional information about at least part of the digital data and a packet formatter that... Agent: Sughrue Mion, PLLC

20090262801 - Dead zone parameter selections for rate control in video coding: Quantization techniques are used in video coding to quantize residual coefficients. So-called “dead zone parameters” are selected in the quantization process of residual coefficients of residual video blocks. The dead zone refers to a region of magnitude for coefficients below which any coefficient will be quantized to zero. A method... Agent: Qualcomm Incorporated

20090262802 - Video encoding/decoding method and apparatus: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090262803 - Encoding apparatus, encoding method, and program of same and decoding apparatus, decoding method, and program of same: An encoding apparatus for encoding progressive image data and interlace image data corresponding to this progressive image data, having a first encoding unit configured to encode picture data composing the interlace image data to generate first encoded data and decoding and recomposing the first encoded data to generate recomposed image... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090262804 - Reference picture list management syntax for multiple view video coding: A picture reference list ordering process is defined for a multiview coder for coding moving pictures, where the picture list has the coding order of reference pictures used to code a picture specified in relationship to whether a picture to be coded is associated with a view. The ordering of... Agent: Thomson Licensing LLC

20090262805 - Video encoding/ decoding method and apparatus: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090262810 - Video encoding/ decoding method and apparatus: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090262811 - Video encoding/ decoding method and apparatus: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090262813 - Video encoding/ decoding method and apparatus: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090262814 - Video encoding/ decoding method and apparatus: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090262806 - Video encoding/decoding method and apparatus: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090262807 - Video encoding/decoding method and apparatus: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090262808 - Video encoding/decoding method and apparatus: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090262809 - Video encoding/decoding method and apparatus: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090262812 - Video encoding/decoding method and apparatus: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090262815 - Video encoding/decoding method and apparatus: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090262835 - Skip macroblock coding: Various techniques and tools for encoding and decoding (e.g., in a video encoder/decoder) binary information (e.g., skipped macroblock information) are described. In some embodiments, the binary information is arranged in a bit plane, and the bit plane is coded at the picture/frame layer. The encoder and decoder process the binary... Agent: Klarquist Sparkman LLP

20090262817 - Video decoding apparatus and method: A video decoding apparatus and method capable of performing high-speed reproduction of image data subjected to coding with a prescribed coding scheme for adaptively performing field-structured or frame-structured coding, with a simple configuration. In a high-speed reproduction mode, a decoding process is applied to only coded image data of intra-frame... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090262826 - Video encoding / decoding method and apparatus: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090262816 - Video encoding/ decoding method and apparatus: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090262819 - Video encoding/ decoding method and apparatus: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090262822 - Video encoding/ decoding method and apparatus: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090262823 - Video encoding/ decoding method and apparatus: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090262827 - Video encoding/ decoding method and apparatus: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090262828 - Video encoding/ decoding method and apparatus: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090262829 - Video encoding/ decoding method and apparatus: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090262834 - Video encoding/ decoding method and apparatus: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090262818 - Video encoding/decoding method and apparatus: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090262820 - Video encoding/decoding method and apparatus: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090262821 - Video encoding/decoding method and apparatus: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090262824 - Video encoding/decoding method and apparatus: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090262825 - Video encoding/decoding method and apparatus: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090262830 - Video encoding/decoding method and apparatus: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090262831 - Video encoding/decoding method and apparatus: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090262832 - Video encoding/decoding method and apparatus: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090262833 - Video encoding/decoding method and apparatus: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090262800 - Block based codec friendly edge detection and transform selection: Low complexity edge detection and DCT type selection method to improve the visual quality of H.264/AVC encoded video sequence is described. Encoding-generated information is reused to detect an edge macroblock. Variance and Mean Absolute Difference (MAD) of one macroblock shows a certain relationship that is able to be used to... Agent: Jonathan O. Owens Haverstock & Owens LLP

20090262836 - Method of processing a coded data stream: w

20090262838 - Method and apparatus for encoding transmission data blocks for enhanced switching performance: Implementations relate to systems and methods for encoding block data to deliver content to a mobile wireless or other device. Content, such as audio, video or textual content, can be generated for broadcast in source blocks that are decomposed into a set of high priority blocks and a set of... Agent: Qualcomm Incorporated

20090262837 - Moving image decoding apparatus and moving image decoding method: Moving image decoding apparatus and moving image decoding method wherein the picture quality degradation is small even when an error occurs in decoding or the like in an coding system that refers to more than one frames to perform a prediction coding. An error correcting part (6) comprises an image... Agent: Birch Stewart Kolasch & Birch

20090262839 - Transmission of multimedia streams to mobile devices with uncoded transport tunneling: A system and method for wirelessly transmitting audiovisual information. First audiovisual information may be encoded using a first error correction coding method. A plurality of packets may be generated, including the first audiovisual information, second audiovisual information, and control information. The second audiovisual information may not be encoded using the... Agent: Meyertons, Hood, Kivlin, Kowert & Goetzel, P.C.

20090262840 - Synchronization signal extraction device and related method: A synchronization signal extraction device includes a signal reception terminal for receiving a composite video signal, a threshold voltage adjuster coupled to the signal reception terminal for adjusting a threshold voltage to a ratio of a first characteristic level and a second characteristic level of the composite video signal according... Agent: North America Intellectual Property Corporation

20090262841 - Method and apparatus for scaling signals to prevent amplitude clipping: Systems and methods for amplitude compressing a digital signal. An input signal is divided into frames having a first and second sets of samples. The samples in the second set are also in a subsequent frame. Peak values are determined for the first and second sets. One or more slopes... Agent: Wolf Greenfield & Sacks, P.C.

20090262846 - Apparatus and method for transmitting pilot signal in wireless communication system: An apparatus and method for reducing pilot overhead in a multi-antenna system are provided. The method generates postcodes and pre-codes for streams used to transmit signals to at least two receivers. The method allocates a pilot signal to at least one of the streams, and allocates an additional pilot signal... Agent: JeffersonIPLaw, LLP

20090262845 - Method for transmitting and receiving data using pilot structure: A method for efficiently transmitting and receiving data in a wireless access system and a pilot allocation structure for the same are provided. In the method, data is transmitted using a resource block constructed taking into consideration channel estimation capabilities and data transfer rate and data is received using the... Agent: Mckenna Long & Aldridge LLP

20090262848 - Method of designing a multiplexing structure for resource allocation to support legacy system: New multiplexing UL structures for supporting legacy system are provided. A 16m system of diversity mode can be multiplexed with 16e system in PUSC mode in FDM manner with the same tiles/permutation rules. A 16m system can be multiplexed with 16e system in AMC mode in FDM and/or TDM manner.... Agent: Birch Stewart Kolasch & Birch

20090262843 - Mimo slow precoding method and apparatus: Pre-coder techniques disclosed herein are based on long-term statistical channel information for reducing channel feedback overhead and transmitter complexity. In an embodiment, a receiver includes two or more receive antennas spaced approximately λ/2 apart and a baseband processor. The baseband processor computes channel correlations for different combinations of transmit antennas... Agent: Coats & Bennett, PLLC

20090262844 - Mobile station apparatus and transmission channel estimation method: A disclosed mobile station apparatus, which receives a downlink signal including pilots, includes a first estimation unit configured to estimate a delay spread of a transmission channel and a Doppler frequency based on the downlink signal; a determination unit configured to determine, based on the delay spread and the Doppler... Agent: Katten Muchin Rosenman LLP

20090262847 - Orthogonal frequency division multiplexing receiver for minimizing inter-symbol interference: Techniques, apparatus, and systems are described for providing an orthogonal frequency division multiplexing (OFDM) receiving apparatus. An orthogonal frequency division multiplexing (OFDM) receiving apparatus includes a fast Fourier transform (FFT) start point estimating unit to detect a minimum symbol interference point of a received OFDM signal and identify a FFT... Agent: Fish & Richardson, PC

20090262842 - Robust fft trigger point tracking for echo channels in ofdm based communication systems: Identifying a trigger point of at least one OFDM decoder includes correlating a first time-domain sample of the at least one OFDM symbol with a second time-domain sample of the at least one OFDM symbol, processing the first time-domain sample and the second time-domain sample in the first moving average... Agent: Rahman LLC

20090262850 - System and method of dynamically optimizing a transmission mode of wirelessly transmitted information: The present invention includes a method of optimizing a transmission mode of wirelessly transmitted data. The method includes selecting a first transmission mode based on a predetermined channel database and a first channel characterization. The first channel characterization can be based upon signals transmitted in an initial mode. An error... Agent: Cool Patent, P.C. C/o Cpa Global

20090262849 - Universal blind mode detector, guard mode detector of the universal blind mode detector, and method of detecting universal blind mode: Provided are a universal blind mode detector capable of universally detecting not only various orthogonal frequency division multiplexing (OFDM) communication services but also non-OFDM communication services, and a fast Fourier transform (FFT) mode detector, a guard mode detector, and a memory sharing structure of the universal blind mode detector, and... Agent: Fish & Richardson, PC

20090262852 - Coding for large antenna arrays in mimo networks: o

20090262858 - Constellation rearrangement for arq transmit diversity schemes: An ARQ (re-) transmission method of transmitting data in a wireless communication system wherein data packets are transmitted from a transmitter to a receiver, using a first transmission and a second transmission based on a repeat request. The method comprises the steps of modulating data at the transmitter using a... Agent: Dickinson Wright PLLC James E. Ledbetter, Esq.

20090262855 - Data symbol mapping for multiple-input multiple-output hybrid automatic repeat request: A system includes an encoding module, a symbol selection module, a subcarrier selection module, and a mapping module. The encoding module receives symbols for transmission over K subcarriers and T antennas, encodes the symbols using a space time code, and generates space time coded (STC) versions of the symbols, where... Agent: Harness, Dickey & Pierce P.L.C

20090262856 - High data rate uplink transmission: A user equipment device has a control information decoder configured to receive and decode an uplink scheduling grant. A transmit module is configured to receive a rank indicator (RI) extracted by the decoder and adapt a transmission rank in response to the RI. At least two transmit antennas are configured... Agent: Texas Instruments Incorporated

20090262859 - Long training sequence for mimo wlan systems: A method for configuring a multiple input multiple output (MIMO) wireless communication begins by generating a plurality of preambles for a plurality of transmit antennas. Each of the plurality of preambles includes a carrier detection sequence at a legacy transmit rate, a first channel sounding at the legacy transmit rate,... Agent: Garlick Harrison & Markison

20090262854 - Method for transmitting and receiving downlink control information: A method for efficiently transmitting and receiving downlink control information is disclosed. The method includes, at an base station, receiving feedback information including a preceding matrix index (PMI) from an user equipment (UE) and transmitting precoding information having a predetermined bit number according to the number of antenna ports and... Agent: Mckenna Long & Aldridge LLP

20090262853 - Mimo receiving apparatus and receiving method: In a MIMO receiving apparatus, signals of single carriers transmitted from a plurality of transmission antennas are received by a plurality of reception antennas (1-1 through 1-N) and then separated according to frequency domain. In this MIMO receiving apparatus, interference replicas of the antennas are eliminated from received signals (by... Agent: Young & Thompson

20090262857 - Ofdm receiving apparatus and mode detecting method thereof: Provided are an orthogonal frequency division multiplexing (OFDM) receiving apparatus and a mode detecting method thereof. The mode detecting method includes: detecting a first mode of a received signal by using first delay signals obtained by delaying the received signal, and first correlation values of the received signal; and detecting... Agent: Fish & Richardson, PC

20090262851 - Radio transmitting apparatus and radio transmitting method: A radio transmitting apparatus and a radio transmitting method wherein the loss of transmission efficiency is suppressed to improve the reception quality of pilots received by a receiver apparatus. In the present apparatus and method, in a case of transmitting a pilot block at one of two transmission antennas, the... Agent: Dickinson Wright PLLC James E. Ledbetter, Esq.

20090262860 - Current interface with a blocking capacitor attached to an additional pin: It is described a current interface (100, 200) with a blocking capacitor (128, 228). The blocking capacitor (128, 228) is attached to an additional pin (115, 215), thus allowing a supply voltage ripple rejection of an internal sensor circuit (130, 230). The supply lines (160, 260, 170, 270) are decoupled... Agent: Nxp, B.v. Nxp Intellectual Property & Licensing

20090262861 - Feedback compensation detector for a direct conversion transmitter: A feedback compensation detector for a direct conversion transmitter includes a baseband processor, a direct up-converter, an antenna, and an impairment detection and compensation feedback circuit. The baseband processor generates an in-phase (I) baseband signal and a quadrature-phase (Q) baseband signal. The direct up-converter is coupled to the baseband processor,... Agent: Jones Day (rim) - 2n

20090262862 - Signal transmitting apparatus for ofdm system and parameter adjusting method thereof: A signal transmitting apparatus for orthogonal frequency division multiplexing (OFDM) system comprises a compandor, a predistortor, a power amplifier and a feedback module. The compandor is configured to compress and expand a transmitted signal. The predistortor is configured to perform a predistortion operation on output signals of the compandor. The... Agent: Wpat, PC Intellectual Property Attorneys

20090262863 - Amplitude control circuit, polar modulation transmission circuit and polar modulation method: The amplitude control circuit of the present invention can reduce output noise and suppress a decrease in reception sensitivity. An amplitude control section (120), which is an amplitude control circuit, is provided with: a DA converter (121) that converts amplitude data into differential amplitude signals and outputs the differential amplitude... Agent: Dickinson Wright PLLC James E. Ledbetter, Esq.

20090262864 - Symmetrical data signal processing: In a digital communications receiver configured to receive, via a communications channel, a received first signal representing a sequence of symbols, each symbol being encoded to be representative of data bits, a method of processing the received signal includes adjusting a magnitude, filtering, and applying cyclic prefix restoration, to the... Agent: Volpe And Koenig, P.C. Dept. Amd

20090262865 - Carrier frequency offset estimating device and system: A carrier frequency offset estimating device for estimating frequency offsets of a multi-carrier signal includes a transforming circuit, a cosine effect eliminating circuit, a model creating circuit, and an estimating circuit. The transforming circuit receives the multi-carrier signal and transforms the multi-carrier signal to single-carrier signals. The cosine effect eliminating... Agent: PCe Industry, Inc. Att. Steven Reiss

20090262866 - Data carrier provided with at least two decoding stages: In a data carrier (1) which includes receiving means (5) for receiving a modulated carrier signal (MTS) which contains a data signal (DS1) encoded in conformity with an encoding method (MA, PW, MI, RTZ, FSK, PSK), demodulation means (9) for demodulating the received modulated carrier signal (MTS) and for outputting... Agent: Nxp, B.v. Nxp Intellectual Property & Licensing

20090262867 - Bitstream navigation techniques: A request may be received to navigate through a bitstream by a navigation time, the bitstream having a plurality of data sequences, each of the plurality being associated with a different presentation time of the bitstream. The navigation time may be correlated with a number of bytes from a current... Agent: Brake Hughes Bellermann LLP C/o Cpa Global

20090262869 - Decision-feedback detection for block differential space-time modulation: Time variation on fading channels hinders accurate channel estimation in differential space-time modulation and deteriorates the performance. Decision-feedback differential detection is employed for block differential space-time modulation, and compared with conventional differential space-time modulation. It is observed that the proposed scheme does not suffer effective fading bandwidth expansion, as does... Agent: Mcdonnell Boehnen Hulbert & Berghoff LLP

20090262868 - Signal decoder with general purpose calculation engine: Some embodiments disclosed herein provide a signal decoder with a general purpose calculation engine. A system for decoding signals in a wireless communication system can include: a controller including an instruction counter; a program memory configured to store program code for operating the controller; a general purpose calculation engine configured... Agent: Knobbe Martens Olson & Bear LLP

20090262871 - Receiver and method for detecting signal in multiple antenna system: Provided are a receiver and a method for detecting a signal in a multiple antenna system. The receiver includes a filter coefficient calculator and a signal detector. After separating a first signal portion and a second signal portion, the filter coefficient calculator calculates an MMSE filter coefficient using a Matrix... Agent: Docket Clerk

20090262872 - Receiver with prefiltering for discrete fourier transform-spread-orthogonal frequency division multiplexing (dft-s-ofdm) based systems: A receiver for discrete Fourier transform-spread-orthogonal frequency division multiplexing (DFT-S-OFDM) based systems, including a prefilter for received signal codeword(s); and a log-likelihood ratio LLR module responsive to the prefilter; wherein the prefilter includes a pairing and whitening module that based on channel estimates and data rate enables the LLR module... Agent: Nec Laboratories America, Inc.

20090262870 - Tuning system and method using a simulated bit error rate for use in an electronic dispersion compensator: A system and method is disclosed for controlling signal conditioning parameters and a sampling parameter controlling conversion of a received signal to digital sampled values prior to decoding. The sampled values are decoded according to a comparison with expected values calculated according to a model of a transmission channel. The... Agent: Workman Nydegger 1000 Eagle Gate Tower

20090262873 - Noise removal device and noise removal method: The invention provides a noise removal device and method capable of more proper interpolation on an input signal. The noise removal device is for removing noise in an input signal and includes: a noise detector detecting noise in an IF signal and outputting a noise detection signal; an interpolation... Agent: Mcginn Intellectual Property Law Group, PLLC

20090262874 - Device and process for data rate acquisition: A baud rate acquisition circuit (10) for synchronizing a sampling signal with an input signal operates in broad rate sweeping and a rate fine tuning phases. In the rate sweeping phase, a timing error detector (24) examines the sampling signal generated by a decimator (16). If the sampling signal is... Agent: Intellectual Property / Technology Law

20090262875 - Communication apparatus: A conventional apparatus has a problem that delay occurs in selection of the phase of a synchronization clock. A communication apparatus according to the present invention includes: a first unit 21 which performs sampling of a synchronization pattern included in a signal with multiple clocks having different phases and identifies... Agent: Mcginn Intellectual Property Law Group, PLLC

20090262876 - Phase comparator and regulation circuit: A phase comparison process in a timing recovery process for high-speed data communication defines a data window and compares the phase of a clock in the window with the phase of an edge of data so as to realize a parallel process, wherein the phase comparison and the process of... Agent: Mcdermott Will & Emery LLP

20090262877 - Computation spreading utilizing dithering for spur reduction in a digital phase lock loop: A novel and useful apparatus for and method of spur reduction using computation spreading with dithering in a digital phase locked loop (DPLL) architecture. A software based PLL incorporates a reconfigurable calculation unit (RCU) that is optimized and programmed to sequentially perform all the atomic operations of a PLL or... Agent: Texas Instruments Incorporated

20090262879 - Dll circuit with wide-frequency locking range and error-locking-avoiding function: A delay-locked loop (DLL) circuit. In the evaluation period, the DLL circuit adjusts needed delay period of time for a reference clock signal by adjusting the amount of the used delay units which each of has fixed delay period of time digitally and controlling the delay period of time of... Agent: North America Intellectual Property Corporation

20090262878 - System and method of calibrating power-on gating window for a time-to-digital converter (tdc) of a digital phase locked loop (dpll): A system and method are disclosed related to calibrating a power-on gating window for a time-to-digital converter (TDC) of a digital phase locked loop (DPLL). The gating window is calibrated to ensure proper operation of the DPLL, while at the same time operating the TDC in a power efficient manner.... Agent: Qualcomm Incorporated

20090257471 - Communication device, noise removing method, and program: A communication device according to an embodiment of the present invention includes a communication antenna that receives a transmission signal where a spectrum spread signal subjected to a spectrum spread is modulated; an intermediate frequency converting unit that converts the transmission signal received by the communication antenna into an intermediate... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090257472 - Interference cancellation in a spread spectrum communication system: A code division multiple access communication system transmits a pilot and traffic signal over a shared spectrum. The pilot and traffic signal have an associated code and are received over the shared spectrum. The received signals are sampled and the samples are delayed to produce a window. A weighted value... Agent: Volpe And Koenig, P.C. Dept. Icc

20090257473 - Rfid fast hop frequency hopping: Methods and apparatus, including computer program products, for RFID fast hop frequency hopping. A method including transmitting from a radio frequency identification (RFID) interrogator a continuous wave un-modulated radio frequency (RF) signal from a frequency synthesizer based on digital waveform reconstruction with Direct Memory Access (DMA), the continuous wave un-modulated... Agent: Greenberg Traurig, LLP (sv)IPDocketing

20090257474 - Fast hop frequency hopping protocol: Methods and apparatus, including computer program products, for a fast hop frequency hopping protocol. A method includes transmitting from a radio frequency identification (RFID) interrogator a continuous wave un-modulated radio frequency (RF) signal conforming to a fast hop frequency hopping protocol in which each hop of a plurality of hops... Agent: Greenberg Traurig, LLP (sv)IPDocketing

20090257475 - System and method for secure communication of collected amphibious data: system and method for secure communication of collected amphibious data is disclosed, which uses direct-sequence, spread spectrum, ultra wideband (DS-SS UWB) communications to enhance the security of the collected amphibious data during transmission over a wireless communication link. The UWB technique used transmits the collected data using very short pulses... Agent: Honeywell International Inc. Patent Services

20090257476 - Transmission device, comunication system, transmission method and program: A transmission device of the present, invention includes a baseband waveform generator to generate a transmission signal by using a transfer function H0(f) that is in a relation of a matched filter with a transfer function H1(f) in an analog domain of a transmission side and a reception side connected... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090257477 - Method and apparatus for successive interference subtraction with covariance root processing: Methods and apparatus for processing a composite communication signal comprising two or more received signals of interest are disclosed. An interference-suppressing receiver, which may comprise a G-Rake receiver or a linear chip equalizer, utilizes a square-root covariance matrix in processing received signals, where the square-root covariance matrix represents impairment covariance... Agent: Coats & Bennett, PLLC

20090257478 - Spread spectrum rake receiver: Even when the number of paths is increased, interfering noises can be effectively reduced by a rake receiver for use in a spread spectrum communication system. The rake receiver includes a timing detecting unit detecting a reception timing ti (i=1 to N) of each of N paths when direct spread... Agent: Katten Muchin Rosenman LLP

20090257479 - Use of correlation combination to achieve channel detection: Combinations of correlation results are used to achieve detection of multiple coded signals at a receiver in a wireless communications system. The code applied to signals includes a lower rate code and a higher rate code. The lower rate code is a nested or tiered code such that it comprises... Agent: Volpe And Koenig, P.C. Dept. Icc

20090257480 - System and method for utilizing spectral resources in wireless communications: A wireless communication system comprises a wavelet analyzer and a wavelet signal generator. The wavelet analyzer is operable to analyze wireless signals within a frequency and time map of a communications spectrum, whereby the wavelet analyzer is adapted to determine one or more available cells within the frequency and time... Agent: Kramer & Amado, P.C.

20090257481 - Identification of board connections for differential receivers: Embodiments of the invention include testing arrangements for detecting proper DC-coupled board connections on the input legs of a differential receiver. The testing implementation includes a first test receiver AC-coupled to the connection between the first input/output (I/O) pad and the differential receiver positive input and/or a second test receiver... Agent: Kathy Manke Avago Technologies Limited

20090257482 - Receiving circuit, method for receiving a signal, and use of a detection circuit and a control circuit: A receiving circuit, method for receiving a signal, and use of a detection circuit and a control circuit of a receiving circuit of a node of a radio network is provided to deactivate an analog signal processing and/or determination of digital data from a signal received over an antenna of... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20090257483 - Dual correlation frame synchronization system and method: A system and method utilize a dual correlation, one for the synchronization pattern (sync correlation) and one for the channel equalization pattern (CE correlation), to determine where the channel equalization pattern starts and thus establish frame synchronization. The system and method compare the two correlations and decides on the start... Agent: Nixon Peabody LLP

20090257484 - Method for audio-video encoding and apparatus for multimedia storage: The invention relates a method for audio-video encoding and an apparatus for multimedia storage. First, a video chunk and an audio chunk are read from a audio-video file. Then the video chunk is divided into a plurality of video blocks, wherein size of each video block at least equals to... Agent: J C Patents

20090257485 - Video data compression with integrated lossy and lossless compression: A method and apparatus to compress video data to smaller size and embed extra information into the compressed data using the integrated lossy and lossless compressions is described. The method can be used to compress reference frames of a video codec (coder/decoder) combines codec where the small noise is critical... Agent: O'banion & Ritchey LLP/ Sony Electronics, Inc.

20090257486 - Adaptive filtering for bit-depth scalable video codec: Adaptive filtering may be used to increase the quality of tone mapped, baseline layer encoded information. As a result, scalable video codecs may be implemented with improved picture quality in some embodiments.... Agent: Trop, Pruner & Hu, P.C.

20090257487 - Video robustness using spatial and temporal diversity: The present invention relates to the fields of wireless communication, video transmission, unequal error protection, time diversity, space diversity. The present invention especially relates to a transmitter, a receiver, a method of transmitting video data and a method for receiving video data. The transmitter for transmitting video data comprises: A... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090257488 - Estimation of i frame average rate quantization parameter (qp) in a group of pictures (gop): Rate-QP estimation for an I picture is disclosed which involves the steps of: providing an input group of pictures (GOP); selecting an input I picture within the GOP; and outputting, to a computer readable medium, a bit rate corrected Rate-QP, R(QP), for the input I picture. The outputting step may... Agent: O'banion & Ritchey LLP/ Sony Electronics, Inc.

20090257489 - Rate-distortion quantization for context-adaptive variable length coding (cavlc): In general, this disclosure provides techniques for quantization of the coefficients of video blocks in a manner that can achieve a desirable balance of rate and distortion. The described techniques may analyze a plurality of quantization levels associated with each individual coefficient to select the quantization level for the individual... Agent: Qualcomm Incorporated

20090257490 - Detection of double video compression using first digit based statistics: Implementations of the detection of double MPEG compression using digit based statistics are disclosed.... Agent: OmikronIPLaw Group

20090257493 - Interpolation filter support for sub-pixel resolution in video coding: This disclosure describes filtering techniques applied by an encoder and a decoder during the prediction stage of a video encoding and/or decoding process. The filtering techniques may enhance the accuracy of predictive data used during fractional interpolation, and may improve predictive data of integer blocks of pixels. There are several... Agent: Qualcomm Incorporated

20090257491 - Moving picture coding apparatus, moving picture decoding apparatus, and stream data: A signal separation unit (101) separates an input picture made up of component pictures of RGB, each of which has an equal number of pixels as the input picture, into three component pictures, and outputs the three component pictures. Each of coding units (102 to 104) codes one of the... Agent: Wenderoth, Lind & Ponack L.L.P.

20090257494 - Symmetry for interoplation filtering of sub-pixel positions in video coding: This disclosure describes filtering techniques applied by an encoder and a decoder during the prediction stage of a video encoding and/or decoding process. The filtering techniques may enhance the accuracy of predictive data used during fractional interpolation, and may improve predictive data of integer blocks of pixels. There are several... Agent: Qualcomm Incorporated

20090257492 - Video data management: The invention relates to encoding and decoding pixel blocks of a video frame through a hybrid mode involving usage of a first prediction of a pixel block and at least a second prediction of the pixel block. An initial first weighting factor is modified using a factor modifier to generate... Agent: Ericsson Inc.

20090257495 - Video encoding/decoding method and apparatus: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090257496 - Estimation of b frame average rate quantization parameter (qp) in a group of pictures (gop): Rate-QP estimation for a B picture is disclosed which involves: providing an input group of pictures (GOP); selecting an input B picture within the GOP; and outputting, to a computer readable medium, a bit rate corrected Rate-QP, R(QP), for the input B picture. The outputting step may involve calculating intra/non-intra... Agent: O'banion & Ritchey LLP/ Sony Electronics, Inc.

20090257499 - Advanced interpolation techniques for motion compensation in video coding: This disclosure describes various interpolation techniques performed by an encoder and a decoder during the motion compensation process of video coding. In one example, an encoder interpolates pixel values of reference video data based on a plurality of different pre-defined interpolation filters. In this example, the decoder receives a syntax... Agent: Qualcomm Incorporated

20090257498 - Image processing apparatus and image processing method: An image processing apparatus includes: motion vector detection section configured to detect a motion vector of each of a plurality of blocks of a predetermined size set in an image and formed from a plurality of pixels; and global motion calculation section configured to carry out convergence mathematical operation, from... Agent: K&l Gates LLP

20090257501 - Interpolation-like filtering of integer-pixel positions in video coding: This disclosure describes filtering techniques applied by an encoder and a decoder during the prediction stage of a video encoding and/or decoding process. The filtering techniques may enhance the accuracy of predictive data used during fractional interpolation, and may improve predictive data of integer blocks of pixels. There are several... Agent: Qualcomm Incorporated

20090257497 - Moving image processing system, encoding device, and decoding device: An encoding device encodes a macroblock based on a determined encoding method. When field predictive encoding is determined, the encoding device performs inter-field predictive encoding to a second field within the same frame by using, as one of reference images a macroblock of a first field within the same encoded... Agent: Staas & Halsey LLP

20090257500 - Offsets at sub-pixel resolution: This disclosure describes techniques applied during video encoding and decoding processes. In one example, a method of encoding video data comprises calculating a plurality of offset values for a coded unit of the video data, wherein the offset values are associated with a plurality of different integer and sub-integer pixel... Agent: Qualcomm Incorporated

20090257502 - Rate-distortion defined interpolation for video coding based on fixed filter or adaptive filter: This disclosure describes filtering techniques applied by an encoder and a decoder during the prediction stage of a video encoding and/or decoding process. The filtering techniques may enhance the accuracy of predictive data used during fractional interpolation, and may improve predictive data of integer blocks of pixels. There are several... Agent: Qualcomm Incorporated

20090257503 - Advanced interpolation techniques for motion compensation in video coding: This disclosure describes various interpolation techniques performed by an encoder and a decoder during the motion compensation process of video coding. In one example, an encoder interpolates pixel values of reference video data based on a plurality of different pre-defined interpolation filters. In this example, the decoder receives a syntax... Agent: Qualcomm Incorporated

20090257505 - 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: Fish & Richardson, PC

20090257504 - Methods and apparatus for deriving an order-16 integer transform: Apparatus, systems and techniques based on an integer transform for encoding and decoding video or image signals, including an order-16 integer transform from a Microsoft Media Video order-8 integer transform with a high energy-packing ability and an improved data compression in the field of image and video coding. For example,... Agent: Fish & Richardson, PC

20090257506 - Estimation of p frame average rate quantization parameter (qp) in a group of pictures (gop): Rate-QP estimation for a P picture is disclosed which involves the steps of: providing an input group of pictures (GOP); selecting an input P picture within the GOP; and outputting, to a computer readable medium, a bit rate corrected Rate-QP, R(QP), for the input P picture. The outputting step may... Agent: O'banion & Ritchey LLP/ Sony Electronics, Inc.

20090257509 - Information processing system and information processing method, and program: An image processing system includes a division unit adapted to divide encoding target data into divided data, a distributed encoding unit adapted to encode the divided data into distributed encode data and generate decode information file including time information, a generation unit adapted to generate decode image information on the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090257508 - Method and system for enabling video trick modes: A video processing system is operable to perform one or more display queue trick (DQT) operations utilizing decoded frames queued in memory. The decoded frames are generated from the start of random access points (RAPs) in frame segments in an encoded video stream. Location of RAPs may be determined during... Agent: Mcandrews Held & Malloy, Ltd

20090257511 - Signal compressing system: A multi-scanner scans a signal according to several different patterns. A scanning pattern selector determines which scanning pattern produced the most efficient coding result, for example, for runlength coding, and outputs a coded signal, coded most efficiently, and a selection signal which identifies the scanning pattern found to be most... Agent: Sughrue, Mion, Zinn, Macpeak & Seas

20090257507 - System and method for masking visual compression artifacts in decoded video streams: A technique is provided for processing decoded video data to mask visual compression artifacts resulting from video compression. In accordance with this technique, a hardware block is provided for generating and adding random noise to the decoded video stream. In one embodiment, a random number is generated for each pixel... Agent: Apple Inc. C/o Fletcher Yoder, PC

20090257510 - System and method for programmable pre-amplification of a signal: Systems and methods are provided for communicating a data signal. A data signal is transmitted along a communications line. The transmitted data signal is split among a plurality of routers, each router configured to receive the data signal and forward the data signal along one or more output data paths.... Agent: Patent Group 2n Jones Day

20090257512 - Error concealment for mpeg decoding with personal video recording functionality: Error concealment for motion picture expert group (MPEG) decoding with personal video recording functionality. Error concealment of MPEG data may take place within various components within playback, recording, reading and writing data systems. The error concealment may be provided within existing systems whose components may not be capable of accommodating... Agent: Garlick Harrison & Markison

20090257513 - Bit reduction in a transmitter: A digital baseband signal for radio frequency transmission is processed prior to performing digital-to-analog conversion. The digital baseband signal is filtered. The number of bits of the digital baseband signal is reduced to minimise the size of the digital-to-analog converter. By performing some of the bit reduction before filtering, the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090257514 - System and method for improving equalization in a high speed serdes environment: A method and accompanying system are disclosed for tuning each channel of a high-speed SerDes link interface arranged in a configuration linking a local side to a remote side. The method includes transmitting a flow control packets from the local side to the remote side to change remote side transmission... Agent: Cantor Colburn LLP-ibm Burlington

20090257521 - Method and system for channel estimation in a spatial multiplexing mimo system: Aspects of a method and system for channel estimation in a SM MIMO communication system may comprise receiving a plurality of spatially multiplexed communication signals from a plurality of transmit antennas. A plurality of baseband combined channel estimates based on phase rotation may be generated in response to the received... Agent: Mcandrews Held & Malloy, Ltd

20090257518 - Methods for sending and receiving a multicarrier signal comprising a preamble comprising data elements, corresponding devices and computer products: A method is provided for receiving a multicarrier signal formed by a temporal succession of symbols including of a set of data elements with real values, including informative data elements and pilots. Due to at least one preamble being inserted into the multicarrier signal and formed by at least two... Agent: Westman Champlin & Kelly, P.A.

20090257519 - Pilot pattern design for high-rank mimo ofdma systems: In OFDMA wireless communications systems, pilot pattern design is optimized based on predefined resource block size. The number of pilots and the spacing between pilots within a resource block is determined based on a set of system requirements. In one novel aspect, in a high-rank MIMO system, pilots are allocated... Agent: Imperium Patent Works

20090257520 - Pilot pattern design for small size resource block in ofdma systems: In OFDMA wireless communications systems, pilot pattern design is optimized based on predefined resource block size. The number of pilots and the spacing between pilots within a resource block is determined based on a set of system requirements. In one novel aspect, if resource block size is smaller than three... Agent: Imperium Patent Works

20090257516 - System and method for pilot design for data transmitted in wireless networks: A method for pilot design for data to be transmitted by an orthogonal frequency-division multiplexing (OFDM) based communication system, the data being represented by a plurality of OFDM symbols. The method includes allocating pilot symbols for a data stream to be included in ones of the OFDM symbols; and performing... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090257515 - Transmission method of wireless signal and transmitter using the same: A transmission method of a wireless signal including the following steps is provided. Multiple orthogonal frequency division multiplexing (OFDM) symbols carried by multiple subcarriers are generated according to a data signal. A scrambling pattern including multiple scrambling symbols is generated, wherein the scrambling symbols respectively correspond to the subcarriers in... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090257517 - Wireless communication methods and receivers for receiving and processing multiple component carrier signals: A wireless communication system receiver receives and processes a signal comprising at least two component carriers carrying data scheduled to the receiver and having center frequencies spaced apart by at least one component carrier frequency difference. Each component carrier comprises a number of subcarriers spaced apart by a system subcarrier... Agent: Coats & Bennett, PLLC

20090257522 - Communication apparatus: An exemplary aspect of an embodiment of the present invention is a communication apparatus including an amplifier circuit which adjusts transmit power of a first signal and transmit power of a second signal if the transmit power of the first signal having a first frequency included in a first frequency... Agent: Young & Thompson

20090257524 - Multi-tone transmission: A Multi-tone transmission system processes input data through a plurality of intermediate processing stages 12, 14, 16 and corresponding stages of intermediate data 18, 20. A symbol including a number of tones is obtained therefrom by an inverse Fourier transform 24 and stored in a buffer 158. The peak amplitude... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20090257523 - Pseudorandom sequence generation for ofdm cellular systems: In one embodiment, a transmitter includes a binary sequence generator unit configured to provide a sequence of reference signal bits, wherein the sequence is an inseparable function of a cell identification parameter, a cyclic prefix mode corresponding to the transmitter and one or more time indices of the sequence. The... Agent: Texas Instruments Incorporated

20090257525 - Software-based spread spectrum signal processing: A proposed data processing device includes at least two processor units, which each is adapted to process digitized precorrelation navigation satellite signal data as well as to process alternative data and/or signals relating to at least one function being uncorrelated with the satellite signal data. The device includes at least... Agent: Moore & Van Allen PLLC

20090257526 - Methods and apparatus for conditioning communications signals based on detection of high-frequency events in polar domain: Methods and apparatus for conditioning communications signals based on detection of high-frequency in the polar domain. High-frequency events detected in a phase-difference component of a complex baseband signal in the polar domain are detected and used as a basis for performing hole-blowing on the complex baseband signal in the quadrature... Agent: Snell & Wilmer L.L.P. (panasonic)

20090257527 - Transmission circuit, transmission method, and use: A method for the transmission and use of a power amplifier and transmission circuit of a radio network is provided that includes a power amplifier, which is connectable to an antenna, a counter whose output is connected to a control input of the power amplifier to output a count value... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20090257528 - Quadrature modulation without carrier: Transmitters, receivers and associated methods are disclosed for providing phase and amplitude modulation in a carrier-less communication system (e.g., an ultra-wide band communication system). An approximate quadrature signal is provided by delaying the in-phase signal by an amount determined by various criteria, such as the bandwidths of the component signals,... Agent: Schwabe, Williamson & Wyatt, P.C.

20090257529 - Low power, integrated radio transmitter and receiver: A low power (optionally, self-powered) integrated transceiver using on-chip antennas is provided. The transmitter and receiver utilize phase-locked loops (PLLs) which initially, in a closed-loop state, pre-tune (i.e. phase-lock) voltage controlled oscillators (VCOs) before opening the loops to allow them to transmit and receive data. The TX, in the opened-loop... Agent: Smart & Biggar P.o. Box 2999, Station D

20090257530 - Radius adaptive sphere decoding with probabilistic noise constraint: Method and apparatus for decoding code words received over a communication channel are disclosed. A radius-adaptive sphere decoding methodology reduces the number of operations in sphere-constrained search. Imposing probabilistic noise constraint on top of sphere constraint, particularly at an early stage, provides a more stringent necessary condition. Hence, many branches... Agent: Qualcomm Incorporated

20090257531 - Sampling filter apparatus and wireless communication apparatus: The present invention has an object to provide a sampling filter apparatus and a wireless communication apparatus, which are capable of changing a filter characteristic without employing complex waveforms as control signals, and also, capable of performing filtering process operations without performing a decimation, while utilizing a wide frequency space.... Agent: Pearne & Gordon LLP

20090257532 - Determining burst transmission signals: Described are computer-based methods and apparatuses, including computer program products, for determining burst transmission signals. A receiver receives radio frequency data from a data source through a network. The receiver converts the radio frequency data to digital data. The receiver converts the digital data to baseband data. The receiver generates... Agent: Morgan Lewis & Bockius LLP

20090257534 - Frequency offset estimating apparatus and estimating method thereof: A frequency offset estimating apparatus includes an nth power computing module and a spectrum analyzing module. By raising a received signal to nth power to generate an nth power signal and analyzing the spectrum of the nth power signal, the present invention is capable of quickly and accurately estimating a... Agent: Wpat, PC

20090257533 - System and method of receiving and processing multicommunication signals: A receiver receives and front-end processes a plurality of component carrier signals, each carrier spaced apart in frequency. The digitized, baseband component carrier signals are inspected to determine estimates of timing offsets between the carriers. A control unit selects a first component carrier signal having data scheduled to the receiver.... Agent: Coats & Bennett, PLLC

20090257535 - Method and device for compensating the doppler effect for a digital signal receiver: The invention relates to a method of compensating the Doppler effect for a mobile receiver. This method consists in producing a phase-locked loop based on the signal to be demodulated to correct the frequency control of the tuner element and thus the drift due to the Doppler effect. The invention... Agent: Thomson Licensing LLC

20090257536 - Signal extraction: The invention relates to an adaptive method of extracting at least of desired electro magnetic wave signals, sound wave signals (40, 42), and any other signals from a mixture of signals (40, 42, 44, 46) and suppressing noise and interfering signals to produce enhanced signals (50) corresponding to desired (10)... Agent: Birch Stewart Kolasch & Birch

20090257537 - Data recovery circuit of semiconductor memory apparatus that minimizes jitter during data transmission: A data recovery circuit that minimizes jitter during data transmission is presented. The data recovery circuit includes a data dividing unit, a data sampling unit, a data selecting unit, and a data recovery unit. The data dividing unit is for dividing external data to generate multiple-division data. The data sampling... Agent: Ladas & Parry LLP

20090257538 - Methods and apparatus for fast downlink information of uplink out-of-synchronization: Information systems, detectors, and methods for a communication link, such as the downlink of a cellular telephone system, reduce the problem of uplink transmit power peaks when the uplink is out of synchronization (OoS). One method of indicating that a first link to a communication node is OoS includes the... Agent: Potomac Patent Group PLLC

20090257539 - Transmission apparatus and method, reception apparatus and method, program, and transmission and reception system and method: Disclosed herein is a transmission apparatus, including: a control section configured to control the timing at which actual data from a data source is to be transmitted to a reception apparatus; and a transmission section configured to produce a control signal representative of the contents of the control of the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090257540 - Multi-channel timing recovery system: The present invention discloses a novel multi-channel timing recovery scheme that utilizes a shared CORDIC to accurately compute the phase for each tone. Then a hardware-based linear combiner module is used to reconstruct the best phase estimate from multiple phase measurements. The firmware monitors the noise variance for the pilot... Agent: Muirhead And Saturnelli, LLC

20090257541 - Receiving circuit with adaptive synchronization and method thereof: A circuit with adaptive synchronization and a method thereof is provided. The synchronous receiving circuit adaptively adjusts the timing of a clock signal generated therein for receiving data without accompanying a clock signal for synchronization. The synchronous receiving circuit includes a clock generator, an edge detector, a synchronization unit and... Agent: Edell, Shapiro & Finnan, LLC

20090257542 - Dual loop clock recovery circuit: A clock recovery circuit for digital data transmission includes a delay lock loop having a first loop which generates a phase difference signal which is indicative of a quantized phase difference between a data signal and a clock signal; and a second loop which generates a phase difference signal which... Agent: Rambus Lerner, David, Et Al.

20090252200 - Electronic data communication systems: A method of transmitting data across an electronic data communication system comprising a plurality of terminals that can send and receive data in the form of electromagnetic waves to and from at least one of the terminals, which method comprises the steps of: (a) identifying at least one control terminal,... Agent: Barkume & Associates, P.C.

20090252201 - Pilot interference cancellation: Techniques for generalized pilot interference cancellation in a communications receiver. In an exemplary embodiment, a residual pilot is cancelled from a post-traffic cancellation signal following initial first-pass pilot cancellation. Residual pilot cancellation is achieved by adding the first-pass cancelled pilot as earlier stored in memory back to the post-traffic cancellation... Agent: Qualcomm Incorporated

20090252202 - Method and apparatus for enhanced decoding in multi-band ultra-wideband communications: A data transmission and reception method includes transmitting a plurality of position data bits and a amplitude bits with each of the pulses. The method also includes decoding the position bits and the amplitude bits. An ultra-wideband (UWB) system is also described.... Agent: Philips Intellectual Property & Standards

20090252203 - Wireless communications network comprising multi-hop relay stations: A method is provided for conveying wireless communications in a radio network using OFDMA or multi-carrier technologies. The wireless network comprises a first relay station and a subscriber station that is operative to communicate with that first relay station. The first relay station is operative to simultaneously transmit to or... Agent: Browdy And Neimark, P.l.l.c. 624 Ninth Street, Nw

20090252204 - Receiver system for receiving analog and digital signals: A receiver system and method thereof are provided, wherein the receiver system includes a plurality of antenna elements, a receiver device, and a switching system. The antenna elements are configured to receive a signal including first and second antenna elements. The receiver device is in communication with the first and... Agent: Delphi Technologies, Inc.

20090252205 - Antenna array system: Antenna system connectable to a base station, the antenna system comprising a digital radio unit connectable to at least one antenna element, wherein the digital radio unit comprises: at least one micro radio for receiving/sending digital radio signals having a digital down-converter/a digital up-converter and a digital signal converter. The... Agent: Dann, Dorfman, Herrell & Skillman

20090252206 - Digital transceiver: Digital Transceiver (DTRX) usable in a radio communications systems for transmitting and receiving digital base-band signals, wherein the DTRX (300) comprises: at least one digital up-converter (DUC) (310) for transmitting digital base-band signals and at least one digital down-converter for receiving digital base-band signals. In one aspect of the teachings... Agent: Dann, Dorfman, Herrell & Skillman

20090252207 - Methods and apparatus to test a central office digital subscriber line modem: Methods and apparatus to test a central office (CO) digital subscriber line (DSL) modem are disclosed. An example line termination module for a DSL access multiplexer (DSLAM) comprises a printed circuit board, a plurality of DSL terminal unit-central (DTU-C) modems implemented on the printed circuit board, a DSL terminal unit-remote... Agent: At&t Legal Department - Hfz Attn. Patent Docketing

20090252208 - Multi-unit power line communications system and method: A power line communications system and method for multi-dwelling unit structures that provides broadband communications for internet access, voice over IP (VoIP), streaming video, audio, and other high speed applications and services is provided. One example embodiment includes a first communication device comprising an upstream port and a downstream port.... Agent: Capital Legal Group, LLC

20090252209 - Power line communication networks and methods employing multiple widebands: Systems and methods for communicating over a power line are configured to substantially simultaneously communicate over a plurality of wideband frequency ranges. Signals may be communicated two or from a communication node at two different frequencies simultaneously. These signals may be exchanged with different nodes and/or include independent data. In... Agent: Peters Verny , L.L.P.

20090252210 - Circuit arrangement, apparatus and process for the serial sending of data via a connection contact: The invention relates to an integrated circuit arrangement with connection contacts for the serial exchange of data and/or signals with external components and apparatuses and with a control apparatus and/or a serial interface for the clocked receiving of data by means of a signal voltage on such a connection contact,... Agent: Lackenbach Siegel, LLP

20090252211 - Method and device for estimating speed of wireless terminal: A speed estimation device applicable to an orthogonal frequency division multiplex (OFDM) system is provided. The speed estimation device receives a plurality of channel response information signals from an OFDM symbol and obtains a speed estimation result according to a sampling interval, the speed estimation device. The speed estimation device... Agent: J C Patents, Inc.

20090252212 - Method and apparatus for equalizing a high speed serial data link: A method and apparatus for equalizing a reflection in a reflective high speed serial link. The method involves obtaining an amplitude and delay time of a compensating pulse that is transmitted in response to a pulse transmitted on the serial link. The apparatus comprises a programmable delay element and a... Agent: Dorsey & Whitney LLP On Behalf Of Sun Microsystems, Inc.

20090252213 - Selectable-tap equalizer: A signaling circuit having a selectable-tap equalizer. The signaling circuit includes a buffer, a select circuit and an equalizing circuit. The buffer is used to store a plurality of data values that correspond to data signals transmitted on a signaling path during a first time interval. The select circuit is... Agent: Deniro/rambus

20090252214 - Receiver: A receiver in which computation is simplified can be obtained by using a common factor for filter coefficients of FIR filters corresponding to a plurality of transmitting antennas and by using only the middle column of an inverse matrix of a gain matrix when the common factor is computed.... Agent: Nec Corporation Of America

20090252216 - Multidimensional decision-directed trained adaptive equalization: An embodiment of the invention is a technique to equalize received samples. An equalizer to equalize a multidimensional signal transmitted over a communication channel and having a dimensionality of four or higher. The equalizer is adaptively decision directed trained.... Agent: Blakely Sokoloff Taylor & Zafman LLP

20090252215 - Sampled current-integrating decision feedback equalizer and method: A decision feedback equalizer (DFE) and method including a branch coupled to an input and including a sample-and-hold element configured to receive and sample a received input signal from the input and a current-integrating summer. The current-integrating summer is coupled to an output of the sample-and-hold element. The summer is... Agent: Keusey, Tutunjian & Bitetto, P.C.

20090252218 - Moving image coding apparatus, moving image decoding apparatus, moving image coding method and moving image decoding method: In a decoding apparatus in accordance with H.264, when the POC type is determined as “1” and a recovery point SEI is detected, the maximum frame number MaxFrameNum (or its integral multiple) is set as the initial value of the frame number offset (FrameNumOffset).... Agent: Staas & Halsey LLP

20090252217 - System and method for layered digital video coding in a digital video recorder: A video server (102), video client (104), methods (600, 700), and computer programs are provided for partitioning and presenting video content. A partitioning method (600) and a video server (102) partition video content into multiple layers before storage of the video content. At least some of the multiple layers of... Agent: Philips Intellectual Property & Standards

20090252220 - Method and apparatus for selective inter-layer prediction on macroblock basis: Provided are an enhanced inter-layer reference picture designating method and apparatus and an enhanced inter-layer reference picture recovering method and apparatus capable of increasing coding efficiency by allowing different blocks in an upper spatial layer picture of a current to-be-decoded or to-be-encoded picture to refer to blocks in different lower... Agent: Ladas & Parry LLP

20090252219 - Method and system for the transmission of digital video over a wireless network: An apparatus, system and method are provided for adaptive flow control of layered streaming video over wireless local area networks (WLANs). In one aspect prioritised and adaptive transmission mechanisms are provided based on buffer fullness and discarding visually less important packets so that future visually more important packets can reach... Agent: Philips Intellectual Property & Standards

20090252221 - Method and an apparatus for encoding or decoding a video signal:

20090252224 - Video encoding / decoding method and apparatus: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090252225 - Video encoding/ decoding method and apparatus: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090252226 - Video encoding/ decoding method and apparatus: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090252222 - Video encoding/decoding method and apparatus: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090252223 - Video encoding/decoding method and apparatus: A video encoding method comprises selecting one combination, for each block of an input video signal, from a plurality of combinations each including a predictive parameter and at least one reference picture number determined in advance for the reference picture, generating a prediction picture signal in accordance with the reference... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090252227 - Video refresh adaptation algorithms responsive to error feedback: In general, this disclosure relates to techniques for adaptively determining a rate for intra-coding segments (e.g., macro-blocks) of video data within a sequence of video units (e.g., frames) in response to the receipt of error feedback that is provided by a video decoder. One example method includes receiving feedback from... Agent: Qualcomm Incorporated

20090252228 - Trick play using temporal layering: The present invention provides a method and apparatus for encoding video content into a novel temporal layered coding structure. In one embodiment of the present invention, a plurality of sub-sequence layers are defined in a layer hierarchy in accordance with the present invention. A plurality of images within a sub-sequence... Agent: Thomson Licensing LLC

20090252229 - Image encoding and decoding: An improved MPEG adaptive reference fine granularity scalability encoder and decoder is described. The parameters α and β used to weight difference data during the generation of a prediction error signal in an enhancement layer are modified in dependence upon the magnitude of the values in the difference data.... Agent: Birch Stewart Kolasch & Birch

20090252230 - Motion estimation device and video encoding device including the same: In a motion estimation device and a video encoding device including the same, a motion estimation device provides a motion vector by performing a motion estimation algorithm, and includes a motion estimation unit including a plurality of processing elements that perform a calculating operation on pixel data of a block... Agent: Mills & Onello LLP

20090252231 - Encoding system and method, decoding system and method, multiplexing apparatus and method, and display system and method: MPEG encoders generate PTS_count and DTS_count based on the information obtained from the number of fields in the input video data and describe the PTS_count and DTS_count data as picture order information in encoded streams. The packetizers for generating packetized elementary stream take out PTS_count and DTS_count described in the... Agent: Frommer Lawrence & Haug

20090252232 - Image encoding apparatus and control method thereof: This invention enables to generate encoded data without noticeable image quality degradation when reproducing an image at a lower resolution not to mention the original resolution. An image a digital camera can capture takes three sizes L, M, and S. When the size L is designated, stream conversion information SC... Agent: Fitzpatrick Cella Harper & Scinto

20090252233 - Adaptive error detection for mpeg-2 error concealment: A decoder which can detect errors in MPEG-2 coefficient blocks can identify syntactically-correct blocks which have out-of-bounds coefficients. The decoder computes coefficient bounds based on quantization scalers and quantization matrices and compares these to coefficient blocks during decoding; if a block has out-of-bounds coefficients, concealment is performed on the block.... Agent: Klarquist Sparkman LLP

20090252234 - Systems and methods for monitoring impulse noise: Systems and methods for monitoring impulse noise are described. At least one embodiment is a method, which comprises detecting whether impulse noise is present and in response to detecting the presence of impulse noise, performing time domain analysis to determine whether one or more impulse noise sources are present based... Agent: Thomas, Kayden, Horstemeyer & Risley, L.L.P.

20090252235 - Method of modulation mode detection for communication system: A method of modulation mode detection for a communication system including at least a channel transmitting signals utilizing a target modulation mode is provided. The method includes: (a) selecting a default modulation mode for the channel; (b) estimating a timing frequency offset (TFO) of the channel of the communication system... Agent: North America Intellectual Property Corporation

20090252242 - Apparatus and method for detecting signal based on lattice reduction to support different coding scheme for each stream in multiple input multiple output wireless communication system: An apparatus and method for detecting signals based on a Lattice Reduction (LR) algorithm in a Multiple Input Multiple Output (MIMO) wireless communication system are provided. The apparatus includes a plurality of operators for determining soft-decision values for respective streams by performing a soft modulo operation on respective symbol values... Agent: Docket Clerk

20090252237 - Double layer maximum ratio combining for ofdm receiver design with inter-carrier-interference cancelling: An apparatus, method, and system for reducing a C/N in an OFDM receiver using diversity combining techniques in the presence of ICI, wherein the apparatus comprises an encoded data estimator adapted to estimate data received in the OFDM receiver; a pair of ICI estimators operatively connected to the encoded data... Agent: Rahman LLC

20090252243 - Method and apparatus for transmitting signals in a multi-hop wireless communication system: A method and apparatus for transmitting signals in a multi-hop wireless communication system are provided. A first BS transmits a signal including a first common information codeword and a first private information codeword. A second BS transmits a signal including a second common information codeword and a second private information... Agent: Docket Clerk

20090252238 - Re-acquisition of symbol index in the presence of sleep timer errors for mediaflo systems: A technique for re-acquiring a symbol index in the presence of sleep timer errors in a MediaFLO™ (Forward Link Only) mobile multimedia multicast system comprising a receiver and a transmitter, wherein the method comprises receiving a digital signal comprising a superframe comprising one or more Orthogonal Frequency Division Multiplexing (OFDM)... Agent: Rahman LLC

20090252236 - Retransmitting method and transmitting method in multi-antenna transmission: A transmitting apparatus capable of enhancing the certainty of data transmission of MIMO system, improving the system throughput, and providing a retransmission technique adaptive to the multi-antenna transmission. In this apparatus, a serial/parallel converting part (300) serial/parallel converts the data, which is to be transmitted, into a number nT of... Agent: Dickinson Wright PLLC James E. Ledbetter, Esq.

20090252239 - Robust fine frequency and time estimation in medialflo system receivers: A technique for estimating a carrier frequency offset and a timing offset in a MediaFLO™ (Forward Link Only) system, wherein the method comprises receiving Orthogonal Frequency Division Multiplexing (OFDM) symbols; interpolating pilots on odd or even symbols of the received OFDM symbols; determining a phase difference between two successive symbols... Agent: Rahman LLC

20090252241 - Spectral shaping for multiband ofdm transmitters with time spreading: A method of shaping an orthogonal frequency division multiplexing (OFDM) signal spectrum of a transmitted signal is disclosed. An input signal including an input component is received and a first instance of the input component is generated. The method also includes determining that a second instance of the input component... Agent: Van Pelt, Yi & James LLP

20090252245 - Transmission method and apparatus for cancelling inter-carrier interference: The present invention provides a transmission method and apparatus for cancelling inter-carrier interference in wireless communication systems. Particular carriers are not used for data transmission but carry weighted data to cancel the ici interference of a first group of interfering sub-carriers onto a second group of victim sub-carriers. The weights... Agent: Philips Intellectual Property & Standards

20090252240 - Transmitting apparatus and method, and receiving apparatus and method in multple antenna system: Respective codewords of quantization codebooks corresponding to a number of data streams are selected based on channel information estimated by a received training symbol. A stream mode is selected among stream modes to determine a modulation method applied to each data stream. The data stream is detected by using the... Agent: Cantor Colburn, LLP

20090252244 - Wireless communication device, wireless communication method, program and wireless comunication system: A wireless communication device is provided that includes: a plurality of receiving portions that respectively receive wireless signals that are transmitted based on frequency-use methods set from among a plurality of frequency-use methods; and a setting portion that sets one of the plurality of frequency-use methods on each of the... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20090252246 - Receiving apparatus and method for maximum likelihood in a single carrier system: A receiving apparatus and method of a Maximum Likelihood (ML) scheme in a Single-Carrier (SC) system are provided. The apparatus includes at least two antennas, at least two Orthogonal Frequency Division Multiplexing (OFDM) demodulators, at least two subcarrier mappers, at least two OFDM modulators, and a detector. The antennas receive... Agent: Docket Clerk

20090252250 - Apparatus and method for beamforming based on generalized eigen-analysis in multiple input multiple output wireless communication system: An apparatus and method for beamforming in a Multiple Input Multiple Output (MIMO) wireless communication system are provided. A Base Station (BS) includes a calculator for generating relational expressions between beamforming vectors of Mobile Stations (MSs) using channel information of each MS, for determining beamforming vector candidates of each MS... Agent: JeffersonIPLaw, LLP

20090252249 - Detecting method of multiple-input multiple-output system: A detecting method of a multiple-input multiple-output system includes the steps of: a) canceling interference between transmit signals by assigning weight values to signals received through a plurality of antennas, and determining K optimal antenna signals through channel gain estimation; b) calculating L transmit signal estimation values by quantizing the... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20090252248 - Individual interleaving of data streams for mimo transmission: The present invention, generally speaking, provides interleavers and methods of interleaving that satisfy the need for backward compatibility while effectively addressing competing design objectives. In accordance with one aspect of the invention, data is transmitted using a number of transmit antennas greater than an expected number of receive antennas. At... Agent: Philips Intellectual Property & Standards

20090252251 - Transform-domain feedback signaling for mimo communication: The present invention relates to a control method for a communication network that has a transmitter with an array of transmit antennas and that has at least one receiver communicating with the transmitter. The receiver performs a channel measurement for a receive antenna of the receiver using a signal transmitted... Agent: Philips Intellectual Property & Standards

20090252247 - Transmitter, receiver and method for controlling multiple input multiple output system: Provided is a method of controlling a multiple input multiple output (MIMO) system. One embodiment of the method includes the steps of: estimating, at a receiver, a MIMO channel and detecting data streams using a successive interference cancellation scheme; calculating, at the receiver, S and P using the estimated channel... Agent: Townsend And Townsend And Crew, LLP

20090252252 - Highly linear embedded filtering passive mixer: A communication channel has a highly linear switched current mixer that incorporates passive filtering (e.g., low pass, notch) for improved transmitting (Tx) and receiving (Rx) with adding external filtering components. A high IIP2 (input referenced second order intercept point) of the receiver at the Tx offset is essential to avoid... Agent: Qualcomm Incorporated

20090252253 - Digital broadcasting system and data processing method: A digital broadcasting system and method of processing data therein are disclosed. The present invention includes a baseband processor unit receiving a broadcast signal including mobile service data and main service data, wherein the mobile service data can configure an RS frame and wherein the RS frame includes at least... Agent: Lee, Hong, Degerman, Kang & Waimey

20090252254 - Transmitter and receiver for frequency domain equalization: A transmitter and/or receiver for performing frequency domain equalization is provided. A transmitter includes a pilot position determination unit for determining positions for inserting pilots in a frequency domain based on frequency spectrums of data, and a pilot insertion unit for inserting the pilots between the frequency spectrums of the... Agent: Mcneely Bodendorf LLP

20090252255 - Predistortion methods and apparatus for polar modulation transmitters: Methods and apparatus for predistorting signals in a polar modulation transmitter. An exemplary method includes predistorting an envelope component signal in an amplitude path of a polar modulation transmitter according to a set of AM/AM predistortion coefficients, and predistorting a phase component signal in a phase path of the polar... Agent: Snell & Wilmer L.L.P. (panasonic)

20090252256 - Fast acquisition in mediaflo systems: A technique of acquisition in a MediaFLO™ (Forward Link Only) mobile multimedia multicast system, wherein the method comprises receiving a superframe comprising a first digital symbol in a receiver operating in a first state of operation; assuming the first received digital symbol to be a Time Division Multiplexed (TDM) pilot... Agent: Rahman LLC

20090252257 - Mimo transmitter and method for transmitting an ofdm symbol in accordance with an ieee 802.11 communication standard over a plurality of spatial channels: A multiple-input-multiple output (MIMO) transmitter for transmitting an orthogonal frequency division multiplexed (OFDM) symbol over a plurality of spatial channels using a plurality of antennas is described. The transmitter includes encoding circuitry to encode blocks of input bits in accordance with a variable encoding rate to generate blocks of encoded... Agent: Schwegman, Lundberg & Woessner, P.A.

20090252258 - Pulse signal reception device, pulsed qpsk signal reception device, and pulse signal reception method: A pulse signal reception device of a comparatively simple configuration detects a signal sampled at an optimal clock timing for a pulse modulation signal having a signal width shorter than a symbol frequency. In this device, a time division unit (103) samples a data signal at a clock signal rise... Agent: Dickinson Wright PLLC James E. Ledbetter, Esq.

20090252259 - Receiving device and receiving method: A receiving device that receives as a received signal R→ a transmission signal T→ (T→=a1e1→+a2e2→+ . . . +akek→) obtained by multiplying k (k is a positive integer) linear independent signal vectors {ei→|i is an integer satisfying 1≦i≦k} by a transmission information coefficient {ai|i is an integer satisfying 1≦i≦k and... Agent: Townsend And Townsend And Crew, LLP

20090252260 - Method for generating a reference signal sequence using grouping: Method for generating reference signal sequence using grouping is explained. In this method, base sequences are grouped such that each group contains at least one base sequence of each length, so UE(s) can use various length sequences as a reference signal. And in this method, inter cell interference caused by... Agent: Lee, Hong, Degerman, Kang & Waimey

20090252261 - System, apparatus, and method for processing a received orthogonal frequency division multiplexing signal: A wireless communication system, an apparatus and a method for processing a received OFDM signal is provided. The wireless communication system comprises an interface and a processing apparatus. The interface is configured to receive a received OFDM signal. The processing apparatus comprises an estimation module and a calculation module. The... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20090252263 - Estimating doppler frequency in isdb-t systems: A technique for estimating maximum Doppler frequency of a wireless signal in a wireless communication system, wherein the method comprises receiving a wireless signal; determining an impulse response of the received wireless signal; determining an auto-correlation function (ACF) value of the impulse response of the received wireless signal; determining a... Agent: Rahman LLC

20090252262 - Symmetric pilot processing for robust timing offset and frequency offset estimation in isdb-t and isdb-tsb receivers: Timing and frequency offset processing in sub-carriers is performed in an Integrated Services Digital Broadcasting-Terrestrial (ISDB-T) receiver system. Sub-carriers are divided into two sub-sets, where the sub-sets contain an equal number of sub-carriers. Subsequently bad sub-carriers are removed, if present, from first sub-set of the sub-sets, and corresponding sub-carriers from... Agent: Rahman LLC

20090252264 - Low-complexity digital radio interface: A radio integrated circuit includes, in part, an analog front end block, an analog-to-digital converter responsive to the analog-front end block, a digital signal processor responsive to the analog-to-digital converter and adapted to generate in-phase and quadrature signals, and a serial communication interface configured to receive and transmit the in-phase... Agent: Townsend And Townsend And Crew, LLP

20090252265 - Clock and/or data recovery: Embodiments for clock and/or data recovery may comprise two samplers to sample a relatively small number of distinct data sample phase locations of a data pulse relative to an estimate of the location of a center of the data pulse.... Agent: Berkeley Law & Technology Group, LLP

20090252266 - Arrangement for synchronizing high-frequency transmitters of a common-wave network: An arrangement for synchronizing a transmission time of a digital data stream in individual high-frequency transmitters of a common-wave network operating according to an ATSC standard and transmitting identical data at an identical frequency. The stream generated in a master station is supplied to the transmitters as a periodic succession... Agent: Ditthavong Mori & Steiner, P.C.

20090252268 - Data reception apparatus: A data reception apparatus is disclosed. The data reception apparatus includes a strobe extractor for receiving a transmission signal and extracting a strobe signal from the transmission signal, the transmission signal including the strobe signal inserted between data signals and a clock signal following the strobe signal, the strobe signal... Agent: Sherr & Vaughn, PLLC

20090252267 - Method of synchronizing two electronic devices of a wireless link, in particular of a mobile telephone network and system for implementing this method: A method of synchronizing two electronic devices connected by a wireless link with at least one path including a transmission channel and a reception channel. The two devices are included in a network, such as a mobile telephone network. Synchronization information is transmitted directly from one electronic device to the... Agent: Leydig Voit & Mayer, Ltd

20090252269 - Digital radio processor architecture with reduced dco modulation range requirement: A method of achieving reduced modulation range requirement in a Digitally Controlled Oscillator (DCO) which is deployed as part of a DRP (Digital Radio Processor) and tuned to a tuning frequency range having operating-channel center-frequencies, wherein phase difference between consecutive samples is termed as FCW (Frequency Control Word), uses the... Agent: Texas Instruments Incorporated

20090252270 - Data decision apparatus and error measurement apparatus: The object of the present invention is to provide a data decision apparatus and an error measurement apparatus which can set the phase of the clock to the optimum state with respect to the data signal without continuously sweeping of the phase, and can keep the state for a long... Agent: Greer, Burns & Crain