Multihop Transmissions with Non-regenerative Relays over Fading Channels

被引：0
|
作者：
Wu, Lianhai [1 ]
He, Zhiqiang [1 ]
Niu, Kai [1 ]
Xu, Wenbo [1 ]
Lin, Jiaru [1 ]
机构：
[1] Beijing Univ Posts & Telecommun, Minist Educ, Key Lab Universal Wireless Commun, Beijing 100088, Peoples R China
来源：
2009 IEEE 20TH INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR AND MOBILE RADIO COMMUNICATIONS | 2009年
关键词：
PERFORMANCE; SYSTEMS;
D O I：
10.1109/PIMRC.2009.5449803
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
End-to-end performance of multihop wireless communication systems with non-regenerative channel state information (CSI)-assisted relays operating over independent not necessarily identically Weibull fading channels is presented. With the aid of the inequality between harmonic and geometric means, the end-to-end signal-to-noise ratio (SNR) is bounded. By considering the product of rational powers of N Weibull random variables, novel expressions are derived for the moment-generating, probability density, and cumulative distribution functions in closed form. Using these results, convenient closed-form bounds are obtained for the average end-to-end SNR, the channel capacity and the average bit-error probability of multihop wireless communication systems. The tightness of the proposed bounds is verified by performing comparisons between numerical evaluation and computer simulations results.
引用
收藏
页码：1386 / 1390
页数：5
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