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本篇文章主要讨论的是对传统的DVB-T全球数字电视系统连续解码方式进行部分的改造。即通过使用Max-log-Map软进/软出(SISO)解码方案代替Viterbi软进/硬出(SIHO)的解码方案,向RS解码器提供软判定信息(而不是之前的硬判断信息),从而期盼得到更加准确的解码结果。
This article mainly discusses the partial reconstruction of the traditional DVB-T global digital television system for continuous decoding. That is, soft decision information (rather than hard decision information) is provided to the RS decoder by using the Max-log-Map soft / soft-out (SISO) decoding scheme instead of the Viterbi soft-in / hard-out Thus looking forward to get more accurate decoding results.