{"title":"Studies on Practical Low Complexity Decoding of Low-Density Parity-Check Codes","authors":"Zhiqiang Cui, Zhongfeng Wang","doi":"10.1109/SIPS.2007.4387547","DOIUrl":null,"url":null,"abstract":"This paper studies practical low complexity decoding of Low Density Parity-Check (LDPC) codes. We first investigate VLSI implementation issues of two state-of-the-art Weighted Bit Flipping (WBF) based decoding algorithms that were recently proposed in the literature. Then we present an optimized 2-bit soft decoding approach. It is shown that the proposed approach has comparable hardware complexity with either of the two WBF-based algorithms while it has significantly better decoding performance.","PeriodicalId":93225,"journal":{"name":"Proceedings. IEEE Workshop on Signal Processing Systems (2007-2014)","volume":"26 1","pages":"216-221"},"PeriodicalIF":0.0000,"publicationDate":"2007-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings. IEEE Workshop on Signal Processing Systems (2007-2014)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SIPS.2007.4387547","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
This paper studies practical low complexity decoding of Low Density Parity-Check (LDPC) codes. We first investigate VLSI implementation issues of two state-of-the-art Weighted Bit Flipping (WBF) based decoding algorithms that were recently proposed in the literature. Then we present an optimized 2-bit soft decoding approach. It is shown that the proposed approach has comparable hardware complexity with either of the two WBF-based algorithms while it has significantly better decoding performance.
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