Computation of the free distance and low weight distribution of turbo codes with convolutional interleavers

被引：1
|
作者：
Vafi, S [1 ]
Wysocki, T [1 ]
机构：
[1] Univ Wollongong, Wollongong, NSW 2500, Australia
来源：
2004 IEEE 15TH INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR AND MOBILE RADIO COMMUNICATIONS, VOLS 1-4, PROCEEDINGS | 2004年
关键词：
turbo codes; convolutional interleaver; free distance; low weight distribution;
D O I：
10.1109/PIMRC.2004.1373919
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
This paper presents an algorithm for computation of the free distance parameter of turbo codes with a convolutional interleaver implemented to act as a block interleaver. Based on the properties of the interleaver and the algorithm applied, we can also determine the other low weights of turbo codes and this is useful in determining the performance of the error floor of turbo codes. For different turbo code structures, the relevant parameters have been computed. The error rate simulations confirm the algorithm results.
引用
收藏
页码：1356 / 1359
页数：4
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