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Viterbi译码算法改进

Shu-hua MAO, Li-hua LI

Journal of Changshu Institute of Technology（2009）

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Abstract
改进后的viterbi译码算法,不但保持了原有viterbi算法的特性,而且在减少译码路径的情况下,较好地解决了突发错误信道中原Viterbi译码算法性能急剧下降的问题.通过在编码信道模型上的仿真表明:正确的约束位越多、分布的越密,则性能提高越明显.
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Key words
communication,channel coding,Viterbi algorithm
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