Rayleigh fading multi-antenna channels

被引：132
|
作者：
Grant, A [1 ]
机构：
[1] Univ S Australia, Inst Telecommun Res, Mawson Lakes, SA 5095, Australia
来源：
EURASIP JOURNAL ON APPLIED SIGNAL PROCESSING | 2002年 / 2002卷 / 03期
关键词：
space-time channels; transmit diversity; information theory; error exponents;
D O I：
10.1155/S1110865702000665
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：
Information theoretic properties of flat fading channels with multiple antennas are investigated. Perfect channel knowledge at the receiver is assumed. Expressions for maximum information rates and Outage probabilities are derived. The advantages of transmitter channel knowledge are determined and a critical threshold is found beyond which such channel knowledge gains very little. Asymptotic expressions for the error exponent are found. For the case of transmit diversity closed form expressions for the error exponent and cutoff rate are given. The use of orthogonal modulating signals is shown to be asymptotically optimal in terms of information rate.
引用
收藏
页码：316 / 329
页数：14
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