Accurate Outage Approximation of MRC Receivers in Arbitrarily Fading Channels

被引：8
|
作者：
Jabi, Mohammed [1 ]
Szczecinski, Leszek [1 ]
Benjillali, Mustapha [2 ]
机构：
[1] INRS EMT, Montreal, PQ, Canada
[2] INPT, Commun Syst Dept, Rabat, Morocco
来源：
IEEE COMMUNICATIONS LETTERS | 2012年 / 16卷 / 06期
关键词：
Outage probability; saddlepoint approximation; diversity combining; cooperative communications; HARQ; Hoyt fading; Nakagami-m fading; Rice fading; WIRELESS COMMUNICATION-SYSTEMS; ERROR-PROBABILITY; PERFORMANCE; SUM;
D O I：
10.1109/LCOMM.2012.040912.120236
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
We propose a simple and accurate approximation of the outage probability at the output of L-branch diversity combining receivers with arbitrarily fading channels. The method is based on the saddlepoint approximation, which only requires the knowledge of the moment generating functions of the signal-to-noise ratio at the output of each diversity branch. In many particular cases of practical interest, the outage approximation is obtained in closed-form expressions. Numerical results illustrate the accuracy of the proposed method for practical outage values in a variety of fading scenarios.
引用
收藏
页码：789 / 792
页数：4
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