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电子学报  2013 

多阶幻方卷积码的构造及译码

DOI: 10.3969/j.issn.0372-2112.2013.01.022, PP. 123-130

Keywords: 卷积码,状态转移,多维矩阵,幻方,维特比算法

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Abstract:

本文结合线性分组码和卷积码,构造出一类信息组长度和约束度都相对较大的多阶幻方卷积码.通过定义一种多维矩阵,进行了状态转移分析,并借助矩阵运算构建出单一结构但却能并行处理的软判决维特比译码器.仿真分析表明,该码类存在大量距离特性优良、高效率的好码,具有获取香农码的良好预期.

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