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Class Information
Number: 714/791
Name: Error detection/correction and fault detection/recovery > Pulse or data error handling > Digital data error correction > Forward error correction by tree code (e.g., convolutional) > Sequential decoder (e.g., fano or stack algorithm)
Description: Subject matter where a tree structure of the convolutional code is used for searching locally a path which is considered to be the most likely to produce a correct data sequence.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8713401 Error recovery storage along a memory string Apr. 29, 2014
8640012 Communication signal decoding with iterative cooperation between inner and outer codes Jan. 28, 2014
8522355 System and method to force a mobile device into a secure state Aug. 27, 2013
8468415 Error recovery storage along a memory string Jun. 18, 2013
8419547 Iterative XOR-matrix forward error correction for gaming Apr. 16, 2013
8375279 Receiving device and receiving method Feb. 12, 2013
8321744 Channel adaptive iterative turbo decoder system and method Nov. 27, 2012
8312357 Digital broadcasting transmission capable of improving receiving and equalizing performance and signal processing method thereof Nov. 13, 2012
8255778 Hybrid ARQ transmission method with effective channel matrix and decision statistics resetting Aug. 28, 2012
8255766 Receiving apparatus and method for interference cancellation in a wireless communication system Aug. 28, 2012
8245100 Error recovery storage along a nand-flash string Aug. 14, 2012
8196012 Method and system for encoding and decoding low-density-parity-check (LDPC) codes Jun. 5, 2012
8176400 Systems and methods for enhanced flaw scan in a data processing device May. 8, 2012
8077813 Apparatus for decoding convolutional codes and associated method Dec. 13, 2011
8078939 Interleaving redundancy apparatus and method Dec. 13, 2011
8074157 Methods and apparatus for reduced complexity soft-output viterbi detection Dec. 6, 2011
8051358 Error recovery storage along a nand-flash string Nov. 1, 2011
8042029 Error correction decoding by trial and error Oct. 18, 2011
7975212 Sequential decoding method and apparatus thereof Jul. 5, 2011
7962841 Data decoding apparatus and method in a communication system Jun. 14, 2011
7900119 Interleaving redundancy apparatus and method Mar. 1, 2011
7895505 Method for decoding convolutionally coded signals and decoding apparatus and receiving apparatus using the same Feb. 22, 2011
7882413 Method and/or system for space-time encoding and/or decoding Feb. 1, 2011
7793199 Method for reducing the computational complexity of viterbi decoder Sep. 7, 2010
7751506 Method for the soft bit metric calculation with linear MIMO detection for LDPC codes Jul. 6, 2010
7752528 Digital broadcasting transmission capable of improving receiving and equalizing performance and signal processing method thereof Jul. 6, 2010
7712013 Block decoding methods and apparatus May. 4, 2010
7676732 Transceiver apparatus and method for efficient retransmission of high-speed packet data Mar. 9, 2010
7676731 Transceiver apparatus and method for efficient retransmission of high-speed packet data Mar. 9, 2010
7653868 Method and apparatus for precomputation and pipelined selection of branch metrics in a reduced state Viterbi detector Jan. 26, 2010
7640478 Method for decoding tail-biting convolutional codes Dec. 29, 2009
7617440 Viterbi traceback initial state index initialization for partial cascade processing Nov. 10, 2009
7587181 Method and system for a control scheme on power and common-mode voltage reduction for a transmitter Sep. 8, 2009
7562277 Data transmitting/receiving system and method thereof Jul. 14, 2009
7530010 Hybrid trace back apparatus and high-speed viterbi decoding system using the same May. 5, 2009
7487432 Method and apparatus for multiple step Viterbi detection with local feedback Feb. 3, 2009
7437656 Error correction of balanced codeword sequence Oct. 14, 2008
7406650 Variable code rate and signal constellation turbo trellis coded modulation codec Jul. 29, 2008
7380199 Method and apparatus for precomputation and pipelined selection of branch metrics in a reduced-state Viterbi detector May. 27, 2008
7292650 OFDM receiver and metric generator thereof Nov. 6, 2007
7216283 Iterative metric updating when decoding LDPC (low density parity check) coded signals and LDPC coded modulation signals May. 8, 2007
7191387 Method and apparatus for forward error correction Mar. 13, 2007
7178093 PRML system with a branch estimator Feb. 13, 2007
7096411 Method and apparatus for reliable resynchronization of sequential decoders Aug. 22, 2006
7031408 Mechanism for reducing recovery time after path loss in coded data communication system having sequential decoder Apr. 18, 2006
7020832 Turbo decoder and its calculation methods having a state metric Mar. 28, 2006
6993697 Method for obtaining from a block turbo-code an error correcting code of desired parameters Jan. 31, 2006
6961921 Pipeline architecture for maximum a posteriori (MAP) decoders Nov. 1, 2005
6889354 Sequence estimating May. 3, 2005
6807238 Method and apparatus for decoding M-PSK turbo code using new approximation technique Oct. 19, 2004

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