Concavity Of Output Relative Entropy For Channels With Binary Inputs

Qinghua Ding,Chin Wa Lau,Chandra Nair,Yan Nan Wang

2021 IEEE INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY (ISIT)（2021）

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摘要

We generalize a convexity result due to Wyner and Ziv to channels with binary inputs and arbitrary outputs. This results in a convex reformulation of some non-convex optimization problems that arise naturally in multi-user information theory.

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关键词

concavity,output relative entropy,binary inputs,convexity result,arbitrary outputs,convex reformulation,nonconvex optimization problems

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