On the factor-of-two bound for Gaussian multiple-access channels with feedback

被引：5
|
作者：
Ordentlich, E
机构：
[1] Department of Electrical Engineering, Information Systems Laboratory, Stanford University, Stanford
来源：
IEEE TRANSACTIONS ON INFORMATION THEORY | 1996年 / 42卷 / 06期
关键词：
feedback; multiple-access channel; Gaussian noise; capacity region;
D O I：
10.1109/18.556612
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
It was recently shown by Pombra and Cover that the maximum achievable throughput (sum of rates of all users) of a Gaussian multiple-access channel with feedback is at most twice that achievable without feedback. We prove a somewhat stronger result which establishes the factor-of-two bound not only for the total throughput but for the entire capacity region as well. Specifically, we show that the capacity region of a Gaussian multiple-access channel with feedback is contained within twice the capacity region without feedback.
引用
收藏
页码：2231 / 2235
页数：5
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