Low density parity check decoder with miscorrection handling

A data processing system includes a decoder circuit, syndrome calculation circuit and hash calculation circuit. The decoder circuit is operable to apply a decoding algorithm to a decoder input based on a first portion of a composite matrix to yield a codeword. The syndrome calculation circuit is ope...

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Main Authors GRINCHUK MIKHAIL I, HAN YANG, IVANOVIC LAV D, YANG SHAOHUA, LI ZONGWANG, BOLOTOV ANATOLI A, ZHANG FAN
Format Patent
LanguageEnglish
Published 31.03.2015
Subjects
BASIC ELECTRONIC CIRCUITRY
CODE CONVERSION IN GENERAL
CODING
DECODING
ELECTRICITY
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Abstract A data processing system includes a decoder circuit, syndrome calculation circuit and hash calculation circuit. The decoder circuit is operable to apply a decoding algorithm to a decoder input based on a first portion of a composite matrix to yield a codeword. The syndrome calculation circuit is operable to calculate a syndrome based on the codeword and on the first portion of the composite matrix. The hash calculation circuit is operable to calculate a hash based on a second portion of the composite matrix. The decoder circuit is also operable to correct the codeword on the hash when the syndrome indicates that the codeword based on the first portion of the composite matrix is correct but a second test indicates that the codeword is miscorrected.
AbstractList A data processing system includes a decoder circuit, syndrome calculation circuit and hash calculation circuit. The decoder circuit is operable to apply a decoding algorithm to a decoder input based on a first portion of a composite matrix to yield a codeword. The syndrome calculation circuit is operable to calculate a syndrome based on the codeword and on the first portion of the composite matrix. The hash calculation circuit is operable to calculate a hash based on a second portion of the composite matrix. The decoder circuit is also operable to correct the codeword on the hash when the syndrome indicates that the codeword based on the first portion of the composite matrix is correct but a second test indicates that the codeword is miscorrected.
Author LI ZONGWANG
BOLOTOV ANATOLI A
IVANOVIC LAV D
ZHANG FAN
GRINCHUK MIKHAIL I
HAN YANG
YANG SHAOHUA
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Snippet A data processing system includes a decoder circuit, syndrome calculation circuit and hash calculation circuit. The decoder circuit is operable to apply a...
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SubjectTerms BASIC ELECTRONIC CIRCUITRY
CODE CONVERSION IN GENERAL
CODING
DECODING
ELECTRICITY
Title Low density parity check decoder with miscorrection handling
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