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Technical Program

Paper Detail

Paper IDD6-S5-T1.1
Paper Title Concavity of output relative entropy for channels with binary inputs
Authors Qinghua (Devon) Ding, Dept. of Computer Science and Engg., Hong Kong SAR of China; Chin Wa Lau, Chandra Nair, Yan Nan Wang, Dept. of Information Engg., Hong Kong SAR of China
Session D6-S5-T1: Information Inequalities II
Chaired Session: Monday, 19 July, 23:20 - 23:40
Engagement Session: Monday, 19 July, 23:40 - 00:00
Abstract 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.