基于串行和并行级联Turbo思想的均衡算法

山东大学学报(工学版)

基于串行和并行级联Turbo思想的均衡算法

程翔_1,,袁东风_1,2

1. 山东大学信息科学与工程学院，山东济南250100；2．东南大学无线电工程系移动通信国家重点实验室，江苏南京210096

收稿日期:2005-09-27 修回日期:1900-01-01 出版日期:2006-06-24 发布日期:2006-06-24
通讯作者: 程翔_1,

An equalization algorithm based on serial and parallelconcatenation Turbolike method

CHENG Xiang_1,,YUAN Dongfeng_1,2

1.School of Information Science and Engineering,Shandong University，Jinan 250100，China；2. State Key Laboratory on Mobile Communications,Department of Radio Engineering,Southeast University,Nanjing 210096,China

Received:2005-09-27 Revised:1900-01-01 Online:2006-06-24 Published:2006-06-24
Contact: 袁东风_1,2

摘要/Abstract

摘要： 利用Turbo码在两个信道译码器之间的迭代，能够得到更加精确的信道编码器输入数据比特的概率，从而代替在一般Turbo均衡器中对于该概率的独立等分布（IID）的假设. 同时，通过分析这两个不同级联Turbo思想在该算法中的关系，得到算法的收敛特性，并合理确定两者相应的迭代次数.

关键词: Turbo码, Turbo均衡, 符号间干扰

Abstract: More exact probability of channel encoder input data bits are obtained by utilizing turbo code, which is needed in a maximum aposteriori probability (MAP) decoder, to replace the independent and identically distributed (IID) assumption of this probability in general turbo equalization. From the relationship between the two Turbolike methods, the convergence property of turbo codes in turbo equalization is investigated, and then the appropriate degrees of iteration in inner loop are determined based on certain iteration degree in outer loop.

Key words: Turbo equalization, intersymbol interference , Turbo code

程翔,袁东风, . 基于串行和并行级联Turbo思想的均衡算法[J]. 山东大学学报(工学版), 2006, 36(3): 13-17 .

CHENG Xiang,YUAN Dongfeng, . An equalization algorithm based on serial and parallelconcatenation Turbolike method[J]. JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE), 2006, 36(3): 13-17 .

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