Distributed BLAST with relay selection for multi-antenna AF relaying

被引：8

作者：

Bahrami, Hamid Reza ^{[1
,2
]}

Tho Le-Ngoc ^{[1
]}

机构：

[1] McGill Univ, Dept ECE, Montreal, PQ H3A 2A7, Canada

[2] Univ Akron, Dept ECE, Akron, OH 44325 USA

来源：

INTERNATIONAL JOURNAL OF COMMUNICATION SYSTEMS | 2011年 / 24卷 / 04期

关键词：

cooperative diversity; relay system; amplify-and-forward (AF); diversity-multiplexing tradeoff (DMT); DIVERSITY-MULTIPLEXING TRADEOFF; COOPERATIVE DIVERSITY; PROTOCOLS; CAPACITY; SYSTEMS;

D O I：

10.1002/dac.1166

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：

By examining the diversity-multiplexing tradeoff (DMT) of an amplify-and-forward (AF) multi-antenna multi-relay network, a procedure to select the optimal number of relays and relay candidates is established. Subsequently, a distributed BLAST transmission scheme in conjunction with successive nulling and cancellation at destination is proposed to achieve the optimal DMT. Illustrative results indicate that the proposed method can significantly enhance the outage probability performance, and for a selected number of relays in use, the performance enhancement can be further improved by increasing the number of available relays in the AF network. Copyright (C) 2010 John Wiley & Sons, Ltd.

引用

页码：473 / 482

页数：10

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