An information inequality and evaluation of Marton's inner bound for binary input broadcast channels

被引:7
|
作者
Nair, Chandra [1 ]
Wang, Zizhou Vincent [1 ]
Geng, Yanlin [1 ]
机构
[1] Chinese Univ Hong Kong, Dept Informat Engn, Sha Tin, Hong Kong, Peoples R China
关键词
D O I
10.1109/ISIT.2010.5513519
中图分类号
TP301 [理论、方法];
学科分类号
081202 ;
摘要
We establish an information inequality that is intimately connected to the evaluation of the sum rate given by Marton's inner bound for two-receiver broadcast channels with a binary input alphabet. This generalizes a recent result where the inequality was established for a particular channel, the binary skew-symmetric broadcast channel. The inequality implies that randomized time-division strategy indeed achieves the sum rate of Marton's inner bound for all binary input broadcast channels.
引用
收藏
页码:550 / 554
页数:5
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