A Counter-Example to the Mismatched Decoding Converse for Binary-Input Discrete Memoryless Channels

Albert Guill\'en i F\`abregas; Alfonso Martinez; Anelia Somekh-Baruch; Jonathan Scarlett

arxiv: 1508.02374 · v1 · pith:AMWUZ4VUnew · submitted 2015-08-10 · 💻 cs.IT · math.IT

A Counter-Example to the Mismatched Decoding Converse for Binary-Input Discrete Memoryless Channels

Jonathan Scarlett , Anelia Somekh-Baruch , Alfonso Martinez , Albert Guill\'en i F\`abregas This is my paper

classification 💻 cs.IT math.IT

keywords binary-inputchannelsconversecounter-exampledecodingdiscretememorylessmismatched

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This paper studies the mismatched decoding problem for binary-input discrete memoryless channels. An example is provided for which an achievable rate based on superposition coding exceeds the LM rate (Hui, 1983; Csisz\'ar-K\"orner, 1981), thus providing a counter-example to a previously reported converse result (Balakirsky, 1995). Both numerical evaluations and theoretical results are used in establishing this claim.

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A Counter-Example to the Mismatched Decoding Converse for Binary-Input Discrete Memoryless Channels

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