Strong Converse for a Degraded Wiretap Channel via Active Hypothesis Testing

Masahito Hayashi; Himanshu Tyagi; Shun Watanabe

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arXiv · 1410.0443

Strong Converse for a Degraded Wiretap Channel via Active Hypothesis Testing

Masahito Hayashi·Himanshu Tyagi·Shun Watanabe

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Abstract

We establish an upper bound on the rate of codes for a wiretap channel with public feedback for a fixed probability of error and secrecy parameter. As a corollary, we obtain a strong converse for the capacity of a degraded wiretap channel with public feedback. Our converse proof is based on a reduction of active hypothesis testing for discriminating between two channels to coding for wiretap channel with feedback.

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Masahito Hayashi, Himanshu Tyagi, Shun Watanabe. 2014-10-02. Strong Converse for a Degraded Wiretap Channel via Active Hypothesis Testing. https://arxiv.org/abs/1410.0443

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