On opportunistic codes and broadcast codes with degraded message sets

被引：11
|
作者：
Diggavi, Suhas N. [1 ]
Tse, David N. C. [1 ]
机构：
[1] Ecole Polytech Fed Lausanne, Sch Comp & Commun Sci, CH-1015 Lausanne, Switzerland
来源：
2006 IEEE INFORMATION THEORY WORKSHOP | 2006年
基金：
美国国家科学基金会;
关键词：
D O I：
10.1109/ITW.2006.1633817
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Diversity embedded codes are opportunistic codes which take advantage of good channel realizations while ensuring at least part of the information is received reliably for bad channels. We establish a connection between these codes and degraded message set broadcast codes. We characterize the achievable rate region for the parallel Gaussian degraded message set broadcast problem, when only the strongest user needs the private information. Using this, we partially characterize the set of achievable rate-diversity tuples for the diversity embedded problem for parallel fading channels.
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页码：227 / +
页数：2
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