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Class Information
Number: 714/793
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) > Syndrome decodable (e.g., self orthogonal)
Description: Subject matter where decoded data is divided by an inverse of the generator polynomial to obtain a data word of 1 bit which indicate which bits of the decoded data are in error.


Patents under this class:
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Patent Number Title Of Patent Date Issued
7352691 Double difference phase detection Apr. 1, 2008
7275203 Architecture for an iterative decoder Sep. 25, 2007
7134067 Apparatus and method for allowing a direct decode of fire and similar codes Nov. 7, 2006
7117426 Branch metric computation and add-compare-select operation in viterbi decoders Oct. 3, 2006
7106820 System and method for establishing word synchronization Sep. 12, 2006
7107510 Data storage device and data processing method Sep. 12, 2006
7000172 Decoding system and method in an optical disk storage device Feb. 14, 2006
6986094 Device and method for selecting opcode values with maximum hamming distance to minimize latency and buffering requirements Jan. 10, 2006
6944805 Self orthogonal decoding circuit and self orthogonal decoding method Sep. 13, 2005
6732325 Error-correction with limited working storage May. 4, 2004
6671852 Syndrome assisted iterative decoder for turbo codes Dec. 30, 2003
6519734 Single bit error correction, double burst error detection technique Feb. 11, 2003
6477678 Method and device for error correcting coding for high rate digital data transmissions, and corresponding decoding method and device Nov. 5, 2002
6457156 Error correction method Sep. 24, 2002
6374383 Determining error locations using error correction codes Apr. 16, 2002
6362754 Method of decoding a stream of channel bits of a signal relating to a binary channel signal into a steam of source bits of a signal relating to a binary source signal Mar. 26, 2002
6226773 Memory-minimized architecture for implementing map decoding May. 1, 2001
6185715 Method of product code block encoding applicable to encoding an ATM cell Feb. 6, 2001
6167552 Apparatus for convolutional self-doubly orthogonal encoding and decoding Dec. 26, 2000
6122763 Process for transmitting information bits with error correction coding and decoder for the implementation of this process Sep. 19, 2000
6094740 Channel quality estimator based on non-redundant error correction Jul. 25, 2000
6065147 Process for transmitting information bits with error correction coding, coder and decoder for the implementation of this process May. 16, 2000
5996110 Method and apparatus for decoding a data packet Nov. 30, 1999
5960010 Error detection and error concealment of convolutionally encoded data Sep. 28, 1999
5916315 Viterbi detector for class II partial response equalized miller-squared signals Jun. 29, 1999
5850403 Process of selectively protecting information bits against transmission errors Dec. 15, 1998
5848106 Receiver decoder circuitry, and associated method, for decoding an encoded signal Dec. 8, 1998
5828675 Viterbi decoder circuit Oct. 27, 1998
5784392 Viterbi decoder with l=2 best decoding paths Jul. 21, 1998
5768294 Memory implemented error detection and correction code capable of detecting errors in fetching data from a wrong address Jun. 16, 1998
5745509 Transmission system via communications protected by an error management code Apr. 28, 1998
5682395 Method and apparatus for correcting and decoding a sequence of branches representing encoded data bits into estimated information bits Oct. 28, 1997
5487077 Location dependent variable error correction processing for multi-track recording media using variable length coding means Jan. 23, 1996
5479419 Adaptive maximum likelihood sequence estimator Dec. 26, 1995
5381425 System for encoding and decoding of convolutionally encoded data Jan. 10, 1995
5159610 Trellis precoding for modulation systems Oct. 27, 1992
5124992 Error correcting encoder/decoder for a digital transmission installation Jun. 23, 1992
5115438 Method for redundancy-saving, error-correcting coding in digital radio link systems having multi-level modulation May. 19, 1992
5022031 Semiconductor memory comprising an on-chip error correction device, and integrated circuit comprising such a semiconductor memory Jun. 4, 1991
4998253 Syndrome sequential decoder Mar. 5, 1991
4691318 Data transmission system with error correcting data encoding Sep. 1, 1987
4675868 Error correction system for difference set cyclic code in a teletext system Jun. 23, 1987
4654854 Method and apparatus for decoding threshold-decodable forward-error correcting codes Mar. 31, 1987
4521886 Quasi-soft decision decoder for convolutional self-orthogonal codes Jun. 4, 1985
4519080 Analog threshold decoder May. 21, 1985
4476458 Dual threshold decoder for convolutional self-orthogonal codes Oct. 9, 1984
RE31666 Burst-error correcting system Sep. 11, 1984
4404674 Method and apparatus for weighted majority decoding of FEC codes using soft detection Sep. 13, 1983
4355392 Burst-error correcting system Oct. 19, 1982
4354269 Apparatus for the processing of an information stream with the aid of an error-correcting convolutional code and apparatus for the detection of an error still irremediable in this processing Oct. 12, 1982

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