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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:
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Patent Number Title Of Patent Date Issued
7089480 Rate matching method in mobile communication system Aug. 8, 2006
7085984 System and method for providing an improved channel encoder in a digital data communications system Aug. 1, 2006
7085985 Close two constituent trellis of a turbo encoder within the interleave block Aug. 1, 2006
7085986 Low decoding complexity concatenated codes for high rate coded transmission Aug. 1, 2006
7085987 Enhanced turbo product code decoder system Aug. 1, 2006
7080278 Technique for correcting multiple storage device failures in a storage array Jul. 18, 2006
7080306 Disk device with improved error-correction capability Jul. 18, 2006
7080311 Convolutional coding and decoding method and system Jul. 18, 2006
7076720 Encoding apparatus and decoding apparatus Jul. 11, 2006
7076721 Data recording/readback method and data recording/readback device for the same Jul. 11, 2006
7073114 Method of decoding utilizing a recursive table-lookup decoding method Jul. 4, 2006
7068649 Extended bandwidth homePNA system compatible with homePNA 2.0 Jun. 27, 2006
7069492 Method of interleaving a binary sequence Jun. 27, 2006
7069496 Decoding method, decoding apparatus and digital transmission system of product code Jun. 27, 2006
7065695 Metric calculation design for variable code rate decoding of broadband trellis, TCM, or TTCM Jun. 20, 2006
7065696 Method and system for providing high-speed forward error correction for multi-stream data Jun. 20, 2006
7065699 Using quadrant shifting to facilitate binary arithmetic with two's complement operands Jun. 20, 2006
7062698 Method and apparatus to control head instability in a data storage system Jun. 13, 2006
7051261 Turbo encoder with reduced processing delay May. 23, 2006
7051268 Method and apparatus for reducing power consumption of a decoder in a communication system May. 23, 2006
7047474 Decoding concatenated codes via parity bit recycling May. 16, 2006
7043162 Optical transmission system, fec multiplexer, fec multiplexer/separator, and error correction method May. 9, 2006
7039846 Enhanced turbo product code decoder system utilizing a codeword organization method May. 2, 2006
7039913 Optical disc, method of writing to an optical disc, and method of reading from an optical disc May. 2, 2006
7035342 Parallel concatenated code with soft-in soft-out interactive turbo decoder Apr. 25, 2006
7036067 Error detection for multi-stream communications Apr. 25, 2006
7036071 Practical coding and metric calculation for the lattice interfered channel Apr. 25, 2006
7032154 Concatenated forward error correction decoder Apr. 18, 2006
7032155 Data regenerating apparatus Apr. 18, 2006
7032156 Apparatus and method for reducing Bit Error Rates (BER) and Frame Error Rates (FER) using turbo decoding in a digital communication system Apr. 18, 2006
7032163 Error correction decoder for turbo code Apr. 18, 2006
7027521 Digital transmission method of the error correcting coding type Apr. 11, 2006
7020183 Code division multiple access signal receiving apparatus Mar. 28, 2006
7020824 Information data multiplex transmission system, its multiplexer and demultiplexer, and error correction encoder and decoder Mar. 28, 2006
7020827 Cascade map decoder and method Mar. 28, 2006
7020828 Trellis encoder with rate 1/4 and 1/2 for a backward compatible robust encoding ATSC DTV transmission system Mar. 28, 2006
7017100 Signal processing method and apparatus, signal reproducing method and apparatus, and recording medium Mar. 21, 2006
7007221 Data reproducing controller Feb. 28, 2006
7007222 Apparatus for accessing data stored on an optical disc Feb. 28, 2006
7003711 Information recording medium on which sector data generated from ECC block is recorded, information recording apparatus for recording sector data, and information reproduction apparatus for re Feb. 21, 2006
7000168 Method and coding apparatus using low density parity check codes for data storage or data transmission Feb. 14, 2006
7000169 Turbo decoding Feb. 14, 2006
6996762 Methods and apparatus of signal demodulation combining with different modulations and coding for wireless communications Feb. 7, 2006
6996764 Coding method, recording medium, decoding method, and recording-medium reproducing apparatus Feb. 7, 2006
6996765 Turbo decoder prolog reduction Feb. 7, 2006
6993698 Turbocoding methods with a large minimum distance, and systems for implementing them Jan. 31, 2006
6993699 Turbo decoding apparatus and interleave-deinterleave apparatus Jan. 31, 2006
6988233 Decoding device and decoding method Jan. 17, 2006
6988234 Apparatus and method for memory sharing between interleaver and deinterleaver in a turbo decoder Jan. 17, 2006
6986093 Apparatus for reproducing data and apparatus for recording/reproducing data Jan. 10, 2006

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