On Relay Selection for Cooperative Free-Space Optical Communication

被引：0

作者：

Celik, Yasin ^{[1
]}

Odabasioglu, Niyazi ^{[1
]}

机构：

[1] Istanbul Univ, Dept Elect & Elect Engn, TR-34320 Istanbul, Turkey

来源：

17TH EUROPEAN CONFERENCE ON NETWORK AND OPTICAL COMMUNICATIONS (NOC 2012) AND 7TH CONFERENCE ON OPTICAL CABLING AND INFRASTRUCTURE (OC&I 2012) | 2012年

关键词：

Free-space optical systems; cooperative communications; selection cooperation; opportunistic relaying;

D O I：

暂无

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 paper, we propose two different relay selection schemes in free space optical (FSO) systems with decode-and-forward (DF) relaying. We provide closed-form outage probability expression for Selection Cooperation (SC) scheme and Monte-Carlo simulation of Opportuistic Relaying (OR) scheme for a gathered channel model which takes into account both path loss and turbulence-induced log-normal fading. Our analitical and simulation results demonstrate that the proposed SC and OR methods provide 0.5 dB and 4 dB power gains over one relay multi-hop transmission (no relay selection), respectively at a target outage probability of 10(-4) assuming the deployment of three relays in our system model. Moreover, this power gain increases with increasing number of deployed relays in OR scheme.

引用

页数：5

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