An improved outer bound for multiterminal source coding

被引：63

作者：

Wagner, Aaron B. ^{[1
]}

Anantharam, Venkat ^{[2
]}

机构：

[1] Cornell Univ, Sch Elect & Comp Engn, Ithaca, NY 14853 USA

[2] Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USA

来源：

IEEE TRANSACTIONS ON INFORMATION THEORY | 2008年 / 54卷 / 05期

基金：

美国国家科学基金会;

关键词：

CEO problem; erasure distortion; multiterminal source coding; outer bound; rate region; rate-distortion;

D O I：

10.1109/TIT.2008.920249

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

We prove a new outer bound on the rate-distortion region for the multiterminal source-coding problem. This bound subsumes the best outer bound in the literature and improves upon it strictly in some cases. The improved bound enables us to obtain a new, conclusive result for the binary erasure version of the "CEO problem." The bound recovers many of the converse results that have been established for special cases of the problem, including the recent one for the Gaussian two-encoder problem.

引用

页码：1919 / 1937

页数：19

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