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Class Information
Number: 714/755
Name: Error detection/correction and fault detection/recovery > Pulse or data error handling > Digital data error correction > Forward correction by block code > Double encoding codes (e.g., product, concatenated)
Description: Subject matter including calculation and independent decoding of two independent sets of check words for enhancement of error correction.










Sub-classes under this class:

Class Number Class Name Patents
714/756 Cross-interleave reed-solomon code (circ) 336


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Next

Patent Number Title Of Patent Date Issued
7992068 Digital television transmission with error correction Aug. 2, 2011
7991056 Method and system for encoding a signal for wireless communications Aug. 2, 2011
7986753 Modified branch metric for decoders and equalizers Jul. 26, 2011
7984340 Method of recording/reproducing digital data and apparatus for same Jul. 19, 2011
7984339 Method of recording/reproducing digital data and apparatus for same Jul. 19, 2011
7979826 Computer-readable storage media comprising data streams having mixed mode data correction capability Jul. 12, 2011
7979781 Method and system for performing Viterbi decoding using a reduced trellis memory Jul. 12, 2011
7979780 Error correction encoding apparatus and error correction encoding method used therein Jul. 12, 2011
7979775 Turbo interference suppression in communication systems Jul. 12, 2011
7979753 Method of recording/reproducing digital data and apparatus for same Jul. 12, 2011
7975207 Apparatus and method for recording data in information recording medium to which extra ECC is applied or reproducing data from the medium Jul. 5, 2011
7975204 Robust digital communication system Jul. 5, 2011
7975203 Quadratic polynomial permutation (QPP) interleaver providing hardware savings and flexible granularity adaptable to any possible turbo code block size Jul. 5, 2011
7975202 Variable modulation with LDPC (low density parity check) coding Jul. 5, 2011
7975200 Error correction code (ECC) decoding architecture design using synthesis-time design parameters Jul. 5, 2011
7966545 Apparatus and method for correcting error in a multiple-input multiple-output communication system Jun. 21, 2011
7966544 Loading the input memory of an LDPC decoder with data for decoding Jun. 21, 2011
7962835 Method and apparatus to update parameter of error frame Jun. 14, 2011
7962834 Method and system for correcting burst errors in communications networks, related network and computer-program product Jun. 14, 2011
7962833 Unified memory architecture for recording applications Jun. 14, 2011
7962827 Systems and methods for achieving higher coding rate using parity interleaving Jun. 14, 2011
7958428 LDPC (low density parity check) coded signal decoding using parallel and simultaneous bit node and check node processing Jun. 7, 2011
7958427 ECC with out of order completion Jun. 7, 2011
7958426 Distributed block coding (DBC) Jun. 7, 2011
7958425 Method and apparatus for communications using turbo like codes Jun. 7, 2011
7954033 Decoding apparatus and method in a communication system using low density parity check codes May. 31, 2011
7949926 Method and apparatus for encoding and decoding data May. 24, 2011
7945845 Maximum likelihood decoding via mixed-integer adaptive linear programming May. 17, 2011
7945838 Parity check decoder architecture May. 17, 2011
7937639 Device and method for reading out a data word and device and method for storing a data block May. 3, 2011
7934244 Digital broadcasting system and data processing method Apr. 26, 2011
7934243 Digital broadcasting system and data processing method Apr. 26, 2011
7930622 Method of encoding and decoding adaptive to variable code rate using LDPC code Apr. 19, 2011
7930613 Apparatus and method for channel interleaving in communications system Apr. 19, 2011
7930612 Error detection and correction scheme for a memory device Apr. 19, 2011
7925956 Method and apparatus for encoding and decoding data Apr. 12, 2011
7925955 Transmit driver in communication system Apr. 12, 2011
7917830 Turbo decoder and iteration stopping method thereof Mar. 29, 2011
7913149 Low complexity LDPC encoding algorithm Mar. 22, 2011
7913146 Optical disk manufacturing method and device, optical disk, and reproduction method thereof Mar. 22, 2011
7912006 Digital broadcasting system and method of processing data in digital broadcasting system Mar. 22, 2011
7908539 Parity check matrix generation method, data transmission system, encoding device, decoding device, and a parity check matrix generation program Mar. 15, 2011
7904795 Iterative decoder with stopping criterion generated from error location polynomial Mar. 8, 2011
7904785 DTV transmitting system and receiving system and method of processing broadcast data Mar. 8, 2011
7904784 Serial concatenated convolutional code decoder Mar. 8, 2011
7904783 Soft-input soft-output decoder for nonvolatile memory Mar. 8, 2011
7903752 Maximum likelihood decoder for pulse and amplitude position modulation multi-source system Mar. 8, 2011
7900128 Data dependent scrambler with improved global constraint Mar. 1, 2011
7900117 Semiconductor memory device and its control method Mar. 1, 2011
7895498 Apparatuses and method for error correction coding and error correction decoding Feb. 22, 2011

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