| Paper ID | D6-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.
|
