Recovering multiplexing loss through successive relaying using repetition coding

被引：198

作者：

Fan, Yijia ^{[1
,2
]}

Wang, Chao ^{[1
]}

Thompson, John ^{[1
]}

Poor, H. Vincent ^{[2
]}

机构：

[1] Univ Edinburgh, Inst Digital Commun, Edinburgh EH8 9YL, Midlothian, Scotland

[2] Princeton Univ, Dept Elect Engn, Princeton, NJ 08544 USA

来源：

IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS | 2007年 / 6卷 / 12期

基金：

英国工程与自然科学研究理事会;

关键词：

multiple-input multiple-output (MIMO); relay; capacity; wireless networks; cooperative diversity;

D O I：

10.1109/TWC.2007.060339

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, a transmission protocol is studied for a two relay wireless network in which simple repetition coding is applied at the relays. Information-theoretic achievable rates for this transmission scheme are given, and a space-time V-BLAST signalling and detection method that can approach them is developed. It is shown through the diversity multiplexing tradeoff analysis that this transmission scheme can recover the multiplexing loss of the half-duple x relay network, while retaining some diversity gain. This scheme is also compared with conventional transmission protocols that exploit only the diversity of the network at the cost of a multiplexing loss. It is shown that the new transmission protocol offers, significant performance advantages over conventional protocols, especially when the interference between the two relays is sufficiently strong.

引用

页码：4484 / 4493

页数：10

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