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Browse by Category: Main > Communications
Class Information
Number: 375/341
Name: Pulse or digital communications > Receivers > Particular pulse demodulator or detector > Maximum likelihood decoder or viterbi decoder
Description: Subject matter wherein a decoding method is used 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
7620882 Decoder and decoding method for decoding a code by selecting a path out of paths in a trellis diagram Nov. 17, 2009
7620879 Method of detecting occurrence of error event in data and apparatus for the same Nov. 17, 2009
7620129 RF power transmission, modulation, and amplification, including embodiments for generating vector modulation control signals Nov. 17, 2009
7620128 Minimum mean squared error approach to interference cancellation and maximum likelihood decoding of space-time block codes Nov. 17, 2009
7620121 DC balance compensation for AC-coupled circuits Nov. 17, 2009
7620102 Digital broadcasting transmission and reception system Nov. 17, 2009
7617440 Viterbi traceback initial state index initialization for partial cascade processing Nov. 10, 2009
7616713 System and method for forward and backward recursive computation Nov. 10, 2009
7616699 Method of soft bit metric calculation with direct matrix inversion MIMO detection Nov. 10, 2009
7613228 M-Algorithm multiuser detector with correlation based pruning Nov. 3, 2009
7609788 Receiver apparatus using maximum-likelihood-determination Oct. 27, 2009
7609787 Reception of a signal modulated according to a multilevel coding technique Oct. 27, 2009
7609777 Maximum likelihood a posteriori probability detector Oct. 27, 2009
7609615 Method and apparatus for performing channel compensation and symbol demodulation for coherent demodulation in an OFDM system Oct. 27, 2009
7607052 Physical coding sublayer for a multi-pair gigabit transceiver Oct. 20, 2009
7606705 Speech data receiver with detection of channel-coding rate Oct. 20, 2009
7606487 Distortion measurement in optical communication systems Oct. 20, 2009
7606336 Viterbi decoder using circulation type decoding units connected in parallel Oct. 20, 2009
7606320 Apparatus and method for space-frequency block coding/decoding in a communication system Oct. 20, 2009
7605727 Method, medium and apparatus for quantization encoding and de-quantization decoding using trellis Oct. 20, 2009
7603611 Maximum likelihood decoding device, signal evaluating method, and reproducing apparatus Oct. 13, 2009
7602863 Method and apparatus for providing iterative timing recovery Oct. 13, 2009
7600179 Sparse maximum likelihood decoder for block codes Oct. 6, 2009
7599452 Method and system for applying Viterbi type PSK demodulation for optimum correlation of GPS signals Oct. 6, 2009
7599441 Low complexity soft-input Viterbi decoding for digital communication systems Oct. 6, 2009
7596196 Timing recovery in error recovery for iterative detection Sep. 29, 2009
7596191 Apparatus, method and computer program product providing a computationally efficient maximum likelihood joint synchronization and channel estimation algorithm Sep. 29, 2009
7596182 Optimum symbol timing estimation with various performance measures for OFDM systems Sep. 29, 2009
7594162 Viterbi pretraceback for partial cascade processing Sep. 22, 2009
7594161 Map decoding Sep. 22, 2009
7593490 Joint synchronizer and decoder Sep. 22, 2009
7593475 Space-time and/or space-frequency block coding using complex signal swapping Sep. 22, 2009
7590928 Apparatus and method for Viterbi decoding Sep. 15, 2009
7590206 Equalization apparatus and equalization method Sep. 15, 2009
7590203 Joint symbol, amplitude, and rate estimator Sep. 15, 2009
7590197 Correction circuit for improving performance in a channel decoder Sep. 15, 2009
7587211 Method and system for adaptive multi rate (AMR) and measurements downlink adaptation Sep. 8, 2009
7587005 Exploiting known padding data to improve block decode success rate Sep. 8, 2009
7587004 Method for decoding data using windows of data Sep. 8, 2009
7587003 Method and device for carrier-frequency synchronization of a vestigial-sideband-modulated signal Sep. 8, 2009
7586991 Method and apparatus for calculating likelihood metric of a received signal in a digital communication system Sep. 8, 2009
7586706 Method for checking the quality of servo gray codes Sep. 8, 2009
7584407 Decoder and method for performing decoding operation using map algorithm in mobile communication system Sep. 1, 2009
7583763 Multi input multi output wireless communication reception method and apparatus Sep. 1, 2009
7583762 Reduced-complexity multiple-input, multiple-output detection Sep. 1, 2009
7583757 Joint symbol, amplitude, and rate estimator Sep. 1, 2009
7583744 Method and apparatus for computing soft decision input metrics to a turbo decoder Sep. 1, 2009
7583741 Likelihood corrector and likelihood correction method Sep. 1, 2009
7583729 Adaptive equalizer and related method thereof Sep. 1, 2009
7580485 Address generator for LDPC encoder and decoder and method thereof Aug. 25, 2009



 
 
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