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arXiv 2008.08760cs.ITmath.IT
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对“卷积码维特比解码的创新方法”的更正

Corrections to "An Innovations Approach to Viterbi Decoding of Convolutional Codes"

Masato Tajima

摘要:

我们纠正了上述标题论文第III-B节中的错误。校正与到主解码器的输入的联合分布有关,该联合分布对应于主解码器的码格中的分支。注意,就对应于单个代码符号的输入的分布而言,第III-B节中的结果是正确的。我们已经注意到,命题12中的alpha(命题14中的beta)具有另一种含义,这使得可以导出对应于整个分支的输入的联合分布。修正是基于这一重要的观察。

英文摘要:

We correct errors in Section III-B of the above-titled paper. The corrections are related to the joint distribution of the inputs to the main decoder which corresponds to a branch in the code trellis for the main decoder. Note that as far as the distribution of the input corresponding to a single code symbol is concerned, the results in Section III-B are correct. We have noticed that alpha in Proposition 12 (beta in Proposition 14) has another meaning, which has made it possible to derive the joint distribution of the inputs corresponding to the whole branch. Corrections are based on this important observation.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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