A Novel Channel Coding Scheme of Accumulate Repeat Tree Codes

被引：0
|
作者：
Yang, Maofan [1 ]
Fang, Liang [1 ]
Zhang, Xin [1 ]
Yang, Dacheng [1 ]
机构：
[1] Beijing Univ Posts & Telecommun, Sch Informat Engn, Beijing 100088, Peoples R China
来源：
2009 5TH INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS, NETWORKING AND MOBILE COMPUTING, VOLS 1-8 | 2009年
关键词：
Tanner graph; turbo-like codes; iterative decoding; belief-propagation algorithm; PERFORMANCE; DESIGN;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper is concerned with a novel channel coding scheme called accumulate repeat tree (ART) codes which are constructed based on repeat accumulate (RA) codes and concatenated tree (CT) codes. This class of codes can be viewed as special low-density parity-check (LDPC) codes, or as special turbo codes, so they are proposed as turbo-like codes combing many advantages of LDPC and turbo codes. ART codes have a Tanner graph representation, and they are decodable by belief-propagation (BP) iterative algorithm. The code structures are discussed. The simulation in both AWGN and Rayleigh fading channels is given and compared with RA and CT codes. The results and theoretical analysis show the enhanced performance of ART codes.
引用
收藏
页码：454 / 457
页数：4
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