Relay Selection with Imperfect CSI in Bidirectional Cooperative Networks

被引：16

作者：

Taghiyar, M. Jafar ^{[1
]}

Muhaidat, Sami ^{[1
]}

Liang, Jie ^{[1
]}

Dianati, Mehrdad ^{[2
]}

机构：

[1] Simon Fraser Univ, Sch Engn Sci, Burnaby, BC V5A 1S6, Canada

[2] Univ Surrey, Dept Elect & Comp Engr, Surrey GU2 7XH, England

来源：

IEEE COMMUNICATIONS LETTERS | 2012年 / 16卷 / 01期

基金：

加拿大自然科学与工程研究理事会;

关键词：

Bidirectional networks; imperfect CSI; outage probability;

D O I：

10.1109/LCOMM.2011.111011.111774

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

We study the performance of bidirectional multi-relay cooperative networks in the presence of imperfect channel state information by means of the correlation coefficient of the estimated channel gains and their actual values, where the max-min relay selection is used. We show that the performance is determined by the average performance of the two links and neither of them dominates it individually. We also present a power allocation scheme that minimizes the outage probability.

引用

页码：57 / 59

页数：3

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