A Survey on Cooperative Diversity for Wireless Networks

被引：59

作者：

Gomez-Cuba, F. ^{[2
]}

Asorey-Cacheda, R. ^{[1
]}

Gonzalez-Castano, F. J. ^{[1
]}

机构：

[1] Univ Vigo, Dept Enxenaria Telemat, ETSI Telecomunicac, Vigo 36310, Spain

[2] Gradiant, CITEXVI, Vigo 36310, Spain

来源：

IEEE COMMUNICATIONS SURVEYS AND TUTORIALS | 2012年 / 14卷 / 03期

关键词：

Wireless networks; cooperative diversity; MAC protocols; MAC; PROTOCOLS; TRADEOFF; SCHEME;

D O I：

10.1109/SURV.2011.082611.00047

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Diversity, i.e. transmitting multiple replicas of a signal, may mitigate fading in wireless networks. Among other diversity techniques, the space diversity of multi-antenna systems is particularly interesting since it can complement other forms of diversity. The recent cooperative diversity paradigm brings the advantages of multi-antenna space diversity to single antenna networked devices, which, through cooperation and antenna sharing, form virtual antenna arrays. However, cooperative diversity is a complex technique and research on this topic is still in its early stages. This paper aims at providing a general survey on the theoretical framework; and the physical and medium access control proposals in the literature.

引用

页码：822 / 835

页数：14

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