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›› 2004, Vol. 30 ›› Issue (22): 178-180.

• Papers • Previous Articles     Next Articles

A New High-speed Decoder for Double-error-correcting BCH Codes

LIU Lingzhi1, RONG Mengtian1, LUO Weiyi2   

  1. (1. Modern Communication Institute, Shanghai Jiaotong University, Shanghai 200030; 2. Dept. of Electronic Engineering, Shanghai Jiaotong University, Shanghai 200030)
  • Published:2004-11-25

一种新型快速纠二错BCH码译码器的设计

刘凌志,戎蒙恬,罗伟毅   

  1. 上海交通大学现代通信研究所,上海交通大学现代通信研究所,上海交通大学电子工程系 上海 200030

Abstract: This paper improves a high-speed algorithm of double-error-correcting BCH codes of length n=2m-1 in continuous decoding condition.A new method for the key point of this algorithm, the lookup table of ,S~3 ( x )is presented to simplify the difficulty of realizing the circuit.

摘要: 对一种占用硬件资源最少的码长为n=2m-1的纠二错二进制BCH码译码器电路进行了改进,使其能用于信道的连续译码,并对算法中的关键点 S_3 ( x ) 查找表的实现提出一种新的简单方法。

关键词: BCH码, 硬件译码器, 逐位判断逐位纠正算法

CLC Number: