On achievable data rates and optimal power allocation in fading channels with imperfect CSI

被引：0
|
作者：
Almustafa, Khaled [1 ]
Primak, Serguei [1 ]
Willink, Tricia [2 ]
Baddour, Kareem [2 ]
机构：
[1] Univ Western Ontario, Dept Elect & Comp Engn, London, ON N6A 5B9, Canada
[2] Commun Res Ctr, Ottawa, ON K2H 8S2, Canada
来源：
2007 FOURTH INTERNATIONAL SYMPOSIUM ON WIRELESS COMMUNICATION SYSTEMS, VOLS 1 AND 2 | 2007年
基金：
加拿大自然科学与工程研究理事会;
关键词：
D O I：
暂无
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：
Achievable rates of communication systems with pilot-based channel estimation are investigated. Analytical expressions for the maximum achievable rates of such systems are derived for a given quality of estimation. It is shown how the classical waterfilling algorithm should be modified for the case of imperfect channel state information at the transmitter. The impact of the estimation scheme on achievable rates is studied and optimal frame lengths are found for analytical models with varying angular spreads.
引用
收藏
页码：824 / 828
页数：5
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