On 3-receiver broadcast channels with 2-degraded message sets

被引：4

作者：

Nair, Chandra ^{[1
]}

Wang, Zizhou Vincent ^{[1
]}

机构：

[1] Chinese Univ Hong Kong, Dept Informat Engn, Sha Tin, Hong Kong, Peoples R China

来源：

2009 IEEE INTERNATIONAL SYMPOSIUM ON INFORMATION THEORY, VOLS 1- 4 | 2009年

关键词：

CAPACITY; REGION;

D O I：

10.1109/ISIT.2009.5205420

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We consider a broadcast channel with 3 receivers and 2 messages (M-0, M-1) where two of the three receivers need to decode messages (M-0, M-1) while the remaining one just needs to decode the message M-0. We study the best known inner and outer bounds under this setting, in an attempt to find the deficiencies with the current techniques of establishing the bounds. We produce a simple example where we are able to explicitly evaluate the inner bound and show that it differs from the general outer bound. For a class of channels where the general inner and outer bounds differ, we use a new argument to show that the inner bound is tight.

引用

页码：1844 / 1848

页数：5

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