Amplity-and-Forward with partial relay selection

被引：315

作者：

Krikidis, Ioannis ^{[1
]}

Thompson, John ^{[1
]}

McLaughlin, Steve ^{[1
]}

Goertz, Norbert ^{[1
]}

机构：

[1] Univ Edinburgh, Inst Digital Commun, Edinburgh EH9 3JL, Midlothian, Scotland

来源：

IEEE COMMUNICATIONS LETTERS | 2008年 / 12卷 / 04期

基金：

英国工程与自然科学研究理事会;

关键词：

cooperative systems; ad-hoc networks; relay channels; amplify-and-forward;

D O I：

10.1109/LCOMM.2008.071987

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

This letter offers a statistical analysis of the basic two-hop Amplify-and-Forward link, where the relay node is selected based on instantaneous and partial knowledge of the channel. In contrast with previously reported work, where relay selection requires global knowledge (2 hops) of the relaying link, the problem considered is interesting in practical ad-hoc systems, where only neighboring (1 hop) channel information is available to the nodes. The probability density function of the received signal-to-noise ratio for the considered relaying link is approximated in closed form, and an asymptotic exponential expression is proposed to simplify performance estimation.

引用

页码：235 / 237

页数：3

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