Rate region of the quadratic Gaussian two-encoder source-coding problem

被引：193

作者：

Wagner, Aaron B. ^{[1
]}

Tavildar, Saurabha ^{[2
]}

Viswanath, Pramod ^{[3
]}

机构：

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

[2] Qualcomm Flar Technol, Bridgewater, NJ 08807 USA

[3] Univ Illinois, Dept Elect & Comp Engn, Coordinated Sci Lab, Urbana, IL 61801 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; Gaussian sources; multiterminal source coding; rate region; remote source; vector quantization; worst case source;

D O I：

10.1109/TIT.2008.920343

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 determine the rate region of the quadratic Gaussian two-encoder source-coding problem. This rate region is achieved by a simple architecture that separates the analog and digital aspects of the compression. Furthermore, this architecture requires higher rates to send a Gaussian source than it does to send any other source with the same covariance. Our techniques can also be used to determine the sum-rate of some generalizations of this classical problem. Our approach involves coupling the problem to a quadratic Gaussian "CEO problem."

引用

页码：1938 / 1961

页数：24

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