Strong Converse for a Degraded Wiretap Channel via Active Hypothesis Testing

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.

arXiv commentThis paper was presented at Allerton 2014

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