Construction of Regular Quasi-Cyclic LDPC Codes Based on Cosets

被引：0
|
作者：
Chen, Pengcheng [1 ]
Tang, Yuansheng [1 ]
Cao, Zhanghua [1 ]
Yan, Tingsu [1 ]
机构：
[1] Yangzhou Univ, Coll Math Sci, Yangzhou 225002, Jiangsu, Peoples R China
来源：
2009 2ND INTERNATIONAL CONFERENCE ON COMPUTER, CONTROL AND COMMUNICATION | 2009年
关键词：
PARITY-CHECK CODES; MATRICES;
D O I：
暂无
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
We propose a construction method for constructing quasi-cyclic low-density parity-check (QC LDPC) codes based on subgroup's coset. Our construction method is available not only for the prime circulants size, but also for the nonprime circulants size in some conditions. And it is showed that these conditions are easy to satisfy. Regular QC LDPC codes with various lengths and rates can be easily constructed with girth at least 6. Simulation results show that they are have almost the same performance as random regular LDPC codes over AWGN channel.
引用
收藏
页码：218 / 221
页数：4
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