Performance of maximal ratio combiners over correlated Nakagami-m fading channels with arbitrary fading parameters

被引：1
|
作者：
Reig, Juan [1 ]
机构：
[1] Univ Politecn Valencia, Dept Comunicac, Valencia 46022, Spain
来源：
IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS | 2008年 / 7卷 / 05期
关键词：
gamma distributions; fading channels; probability; correlation; land mobile radio cellular systems;
D O I：
10.1109/TWC.2008.060129
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：
In this letter, performance metrics of maximal ratio combiners (MRC) over correlated Nakagami-m fading are calculated with both arbitrary fading parameters and average powers. We derive the moment generating function (MGF) of the sum of correlated gamma variables with arbitrary fading parameters. Using the MGF-based approach, we obtain the variance of the signal-to-noise ratio (SNR) at the output of the combiner, the outage probability, the average symbol error rate for coherent multichannel reception, and the diversity gain. The results for an exponentially decaying model of the fading parameter are presented and discussed.
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页码：1441 / 1444
页数：4
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