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

页码：789 / 792

页数：4

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