EXIT Chart Analysis of Puncturing for Non-Binary LDPC Codes

被引：1
|
作者：
Deka, Kuntal [1 ]
Rajesh, A. [1 ]
Bora, Prabin Kumar [1 ]
机构：
[1] Indian Inst Technol Guwahati, Dept Elect & Elect Engn, Gauhati 781039, India
来源：
IEEE COMMUNICATIONS LETTERS | 2014年 / 18卷 / 12期
关键词：
Non-binary low-density parity-check (NB LDPC) codes; puncturing; grouping algorithm (GA); EXIT chart; PARITY-CHECK CODES; DESIGN;
D O I：
10.1109/LCOMM.2014.2366119
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
This letter presents an EXtrinsic Information Transfer (EXIT) chart tool for the puncturing of non-binary (NB) low-density parity-check (LDPC) codes. With the help of this tool, we study the dependence of the performance of various bitwise and symbolwise puncturing patterns on the degree of a variable node (VN). The grouping algorithm (GA) is a useful technique for the short-length codes to find the recoverable VNs. By incorporating the GA under the EXIT chart model, we propose a method to find the optimum recoverable puncturing pattern.
引用
收藏
页码：2089 / 2092
页数：4
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