Weight distribution of turbo codes with convolutional interleavers

被引：6
|
作者：
Vafi, S. [1 ]
Wysocki, T. [1 ]
机构：
[1] Univ Wollongong, Wollongong, NSW 2522, Australia
来源：
IET COMMUNICATIONS | 2007年 / 1卷 / 01期
关键词：
D O I：
10.1049/iet-com:20060007
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：
A simple algorithm for the weight calculation of turbo codes with convolutional interleavers is presented. For codes with short interleaver lengths, the weight distributions are computed using conventionally proposed methods and then utilised together with the interleaver properties to determine the weight specifications for the code with a longer desired length. Based on the calculated weights, a new upper bound for the code is computed. It agrees with simulation results of the code performance in the error-floor region.
引用
收藏
页码：71 / 78
页数：8
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