A Stopping Criterion for Low-Density Parity-Check Codes

Donghyuk SHIN; Jeongseok HA; Kyoungwoo HEO; Hyuckjae LEE

doi:10.1093/ietcom/e91-b.4.1145

IEICE Transactions on Communications

Online ISSN : 1745-1345
Print ISSN : 0916-8516

Regular Section

A Stopping Criterion for Low-Density Parity-Check Codes

Donghyuk SHIN, Jeongseok HA, Kyoungwoo HEO, Hyuckjae LEE

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Keywords: LDPC codes, belief propagation, stopping criterion

JOURNAL RESTRICTED ACCESS

2008 Volume E91.B Issue 4 Pages 1145-1148

DOI https://doi.org/10.1093/ietcom/e91-b.4.1145

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Abstract

We propose a new stopping criterion for decoding LDPC codes which consists of a measure of decoder behaviors and a decision rule to predict decoding failure. We will show that the proposed measure, the number of satisfied check nodes, does not need (or minimizes) additional complexity, and the decision rule is efficient and more importantly channel independent, which was not possible in the previous work.

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