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Class Information
Number: 375/262
Name: Pulse or digital communications > Systems using alternating or pulsating current > Plural channels for transmission of a single pulse train > Quadrature amplitude modulation > Maximum likelihood decoder or viterbi decoder
Description: Subject matter for choosing an estimate code word for each possible received sequence of a demodulation output.

Patents under this class:

Patent Number Title Of Patent Date Issued
8160183 Receiver spatial processing for eigenmode transmission in a MIMO system Apr. 17, 2012
8160181 Nonlinear detectors for channels with signal-dependent noise Apr. 17, 2012
8160163 Method for OFDM signal identification and parameter estimation Apr. 17, 2012
8155217 Systems and methods for low-complexity MIMO detection with analytical leaf-node prediction Apr. 10, 2012
8149957 Apparatus and method for interference cancellation in a broadband wireless communication system Apr. 3, 2012
8149948 Digital broadcasting system and method of processing data Apr. 3, 2012
8144794 Efficient optimal ML detector Mar. 27, 2012
8140947 Method and apparatus for storing survivor paths in a Viterbi detector using systematic pointer exchange Mar. 20, 2012
8139693 Apparatus and method for estimating inter-carrier interference power and noise power in a channel Mar. 20, 2012
8139669 Space domain filter detecting method in a multi-antenna wireless communication system Mar. 20, 2012
8135099 Method for detecting transmission symbols in multiple antenna system Mar. 13, 2012
8135098 BICM decoding in the presence of co-channel interference Mar. 13, 2012
8135087 Apparatus and method for signal detection using log likelihood ratio Mar. 13, 2012
8135084 Multiantenna receiving device Mar. 13, 2012
8135079 Apparatus and method of estimating signal-to-noise ratio Mar. 13, 2012
8132076 Method and apparatus for interleaving portions of a data block in a communication system Mar. 6, 2012
8130853 Method and apparatus for performing baseband equalization in symbol modulated communications Mar. 6, 2012
8130820 Method and apparatus for interference cancellation in a wireless communications system Mar. 6, 2012
8127198 Adaptable channel compensation for reliable communication over fading communication links Feb. 28, 2012
8126074 Method and apparatus for equalization and decoding in a wireless communications system including plural receiver antennae Feb. 28, 2012
8121234 Multi-dimensional detector for receiver of MIMO system Feb. 21, 2012
8121226 Method of evaluating a readout signal, and optical disc apparatus Feb. 21, 2012
8121225 Estimating the angle of arrival of a signal received by an array of commutated antenna elements Feb. 21, 2012
8121224 Systems and methods for filter based media defect detection Feb. 21, 2012
8121209 Concatenation-assisted symbol-level combining for MIMO systems with HARQ and/or repetition coding Feb. 21, 2012
8121208 Multi-input multi-output system for enhancing transmission performance Feb. 21, 2012
8120466 Decoding scheme for RFID reader Feb. 21, 2012
8111782 Apparatus and method for transmitting/receiving data in a multi-antenna system, and system using the same Feb. 7, 2012
8111769 Transmissions with reduced code rate in 8VSB digital television Feb. 7, 2012
8111767 Adaptive sliding block Viterbi decoder Feb. 7, 2012
8107563 Receiving apparatus and method for MIMO system Jan. 31, 2012
8107562 Combining soft decisions in a weather band radio Jan. 31, 2012
8107546 Detection method of space domain maximum posteriori probability in a wireless communication system Jan. 31, 2012
8107544 Method and apparatus for feedback in closed loop transmitting Jan. 31, 2012
8102950 Method and apparatus for efficient multi-symbol detection Jan. 24, 2012
8102949 Bit log likelihood ratio evaluation Jan. 24, 2012
8102922 Demodulator device and demodulation method for reducing PCR jitter Jan. 24, 2012
8098747 OFDM system, symbol estimating apparatus and inter-carrier interference cancellation method for estimating symbol value using output of forward error correction decoder Jan. 17, 2012
8095173 Wireless communication device with physical-layer reconfigurable processing engines Jan. 10, 2012
8085883 Method and apparatus for delayed recursion decoder Dec. 27, 2011
8085859 Platform noise mitigation Dec. 27, 2011
8082485 Method and apparatus for detecting Viterbi decoder errors due to quasi-catastrophic sequences Dec. 20, 2011
8081697 Detection complexity reducing apparatus and method in multiple input multiple output (MIMO) antenna system Dec. 20, 2011
8077812 Reduced-complexity multiple-input, multiple-output detection Dec. 13, 2011
8077810 Apparatus for high data throughput reception in a WLAN Dec. 13, 2011
8077809 Link adaptation based on generic CINR measurement according to log-likelihood ratio distribution Dec. 13, 2011
8077790 Tiled-building-block trellis encoders Dec. 13, 2011
8077788 Soft demapping for MIMO decoding Dec. 13, 2011
8073069 Multi-user MIMO-SDMA for finite rate feedback systems Dec. 6, 2011
8073067 Method and apparatus for transferring signals in a wireless communication system Dec. 6, 2011

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