High-SNR Analysis of Opportunistic Relaying Based on the Maximum Harmonic Mean Selection Criterion

被引：28

作者：

Chen, Xu ^{[1
]}

Siu, Ting-wai ^{[1
]}

Zhou, Qing F. ^{[1
]}

Lau, Francis C. M. ^{[1
]}

机构：

[1] Hong Kong Polytech Univ, Elect & Informat Engn Dept, Kowloon, Hong Kong, Peoples R China

来源：

IEEE SIGNAL PROCESSING LETTERS | 2010年 / 17卷 / 08期

关键词：

Amplify-and-forward; harmonic mean; opportunistic relaying; outage probability; selection decode-and-forward; COOPERATIVE DIVERSITY; PERFORMANCE; PROTOCOLS; SYSTEMS;

D O I：

10.1109/LSP.2010.2051946

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, we consider a cooperative communication network over Rayleigh fading channels. We assume that the amplify-and-forward (AF) and the selection decode-and-forward (SDF) opportunistic relaying methods are used and that the relay with the largest harmonic mean of the source-relay channel gain and the relay-destination channel gain is selected for forwarding the message to the destination. We derive the high-SNR outage probabilities, which are then compared with the simulation results. We also compare our analytical results with the high-SNR outage probabilities found when the max-min criterion is used to select the opportunistic relay.

引用

页码：719 / 722

页数：4

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