A systematic optimized comparison algorithm for LDPC decoder

Jui Hui Hung, Jui-Hung Hung, Sau-Gee Chen

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

This paper proposes a novel systematic optimized comparison algorithm for LDPC codes with arbitrary code lengths. Based on the presented algorithm, we also design a corresponding decoder architecture which has a short comparison delay time of [log2(n-1)] and a very low comparator complexity of n× [log2 (n-1)] , where n is the input number to CNU. Besides, the proposed design is general, systematic and flexible, which can be applied to arbitrary input number of a CNU. The designed CNU is favorable to the existing CNU designs which are non-systematically designed with either longer critical path delays or higher comparator counts than the proposed designs. The proposed design is particularly good for long code length cases, when it is impractical to do customized optimized designs by hand, due to high design complexity.

Original languageEnglish
Title of host publication10th International Conference on Advanced Communication Technology, ICACT 2008 - Proceedings
Pages1513-1516
Number of pages4
DOIs
StatePublished - 28 May 2008
Event2008 10th International Conference on Advanced Communication Technology - Phoenix Park, Korea, Republic of
Duration: 17 Feb 200820 Feb 2008

Publication series

NameInternational Conference on Advanced Communication Technology, ICACT
Volume3
ISSN (Print)1738-9445

Conference

Conference2008 10th International Conference on Advanced Communication Technology
CountryKorea, Republic of
CityPhoenix Park
Period17/02/0820/02/08

Keywords

  • Architecture
  • Decoder
  • LDPC

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