Iterative soft-decision decoding of Reed-Solomon codes based on cooperative optimization algorithm

被引：0
|
作者：
Ding, Suquan
Huang, Xiaofei
Yang, Zhixing
机构：
[1] State Key Laboratory on Microwave and Digital Communications, Department of Electronics, Tsinghua University, Beijing 100084, China
[2] Beijing Institute of Tracking and Telecommunications Technology, Beijing 100094, China
[3] Research Institute of Information Technology, Tsinghua University, Beijing 100084, China
来源：
Gaojishu Tongxin/Chinese High Technology Letters | 2007年 / 17卷 / 12期
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摘要：
An iterative soft-decision decoding (SDD) algorithm for Reed-Solomon (RS) codes was derived based on cooperative optimization. The proposed algorithm is a class of message passing algorithms and has solid theory foundations. It can achieve good coding gains over hard-decision decoding (HDD) for RS codes. For (15, 9) RS codes, the proposed algorithm can achieve 0.3-1.3 dB gains over HDD at frame error rate (FER) of 4 × 10-4. The complexity of the proposed algorithm is low and can be implemented in practice. The proposed algorithm is a class of soft-in soft-out (SISO) decoding algorithm and can be applied to the iterative decoding for RS-based compound codes such as concatenated codes and product codes.
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页码：1234 / 1237
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