Stability analysis of the turbo decoding algorithm using Max-Log-MAP

被引：0
|
作者：
Wu, WS [1 ]
Wang, CH [1 ]
Chiu, MC [1 ]
Chao, CC [1 ]
机构：
[1] Natl Tsing Hua Univ, Dept Elect Engn, Hsinchu 30013, Taiwan
来源：
ISIT: 2002 IEEE INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY, PROCEEDINGS | 2002年
关键词：
D O I：
10.1109/ISIT.2002.1023413
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper we investigate analytically the convergence properties of the iterative turbo decoding with the Max-Log-MAP algorithm for soft-output generation. With respect to the iterative decoding scheme, several equivalent mathematical formulations are derived to facilitate the stability analysis, based on which we show that turbo decoding with Max-Log-MAP has at least one fixed point but is in general suboptimal and may not even converge. Finally, some conditions are given to guarantee the convergence of the iterative turbo decoding.
引用
收藏
页码：141 / 141
页数：1
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