Amplify-and-Forward Relaying in Channel-Noise-Assisted Cooperative Networks with Relay Selection

被引：20

作者：

da Costa, Daniel Benevides ^{[1
]}

Aissa, Sonia ^{[1
]}

机构：

[1] Univ Quebec, INRS EMT, Montreal, PQ H3C 3P8, Canada

来源：

IEEE COMMUNICATIONS LETTERS | 2010年 / 14卷 / 07期

关键词：

Amplify-and-forward relays; performance analysis; relay selection; PERFORMANCE; BOUNDS;

D O I：

10.1109/LCOMM.2010.07.100407

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

The performance of dual-hop channel-noise-assisted amplify-and-forward cooperative networks with relay selection in a clustered structure is evaluated. Exact closed-form expressions for the probability density function and cumulative distribution function of the end-to-end signal-to-noise ratio (SNR) are derived. Making using of these expressions, the average symbol error probability (SEP) and ergodic capacity are numerically evaluated. In addition, a highly accurate closed-form approximate expression for the average SEP and a closed-form upper bound for the ergodic capacity are derived. Numerical examples are plotted in order to illustrate the efficiency of our formulations.

引用

页码：608 / 610

页数：3

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