A class of quasi-cyclic regular LDPC codes from cyclic difference families with girth 8

被引：0
|
作者：
Fujisawa, M [1 ]
Sakata, S [1 ]
机构：
[1] Tokyo Univ Sci, Shinjuku Ku, Tokyo 1628601, Japan
来源：
2005 IEEE INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY (ISIT), VOLS 1 AND 2 | 2005年
关键词：
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
In this paper, we propose a class of regular LDPC codes from a cyclic difference family, which is a kind of combinatorial design. These LDPC codes have no 4-cycles, i.e., cycles of length 4. We clarify the conditions on which these codes with column weight 3 have no 6-cycles and discuss their minimum distance. Finally, we show the performance of the proposed codes with high rates and moderate lengths.
引用
收藏
页码：2290 / 2294
页数：5
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