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编码器处的噪声状态信息何时如同无信息般无用，或如同无噪声状态般有用

信息论 2016-11-02 v1 math.IT

作者: Rui Xu , Jun Chen , Tsachy Weissman , Jian-Kang Zhang

在 arXiv 上查看 ↗ PDF ↗

摘要

对于任何具有解码器完美状态信息的二进制输入信道，若编码器处的噪声状态观测与真实信道状态之间的互信息低于仅由状态分布决定的正阈值，则其容量与无编码器侧信息时相同。针对广义探测容量揭示了互补现象。并发展了超越二进制输入信道的扩展。

关键词

信道容量状态信息编码器侧信息互信息二进制输入信道广义探测容量

引用

@article{arxiv.1611.00270,
  title  = {When is Noisy State Information at the Encoder as Useless as No Information or as Good as Noise-Free State?},
  author = {Rui Xu and Jun Chen and Tsachy Weissman and Jian-Kang Zhang},
  journal= {arXiv preprint arXiv:1611.00270},
  year   = {2016}
}

备注

This paper was presented in part at the 2016 IEEE International Symposium on Information Theory. 16 pages, 8 figures