Performance analysis of multiuser diversity under transmit antenna correlation

被引：9

作者：

Park, Daeyoung ^{[1
]}

Park, Seung Young ^{[2
]}

机构：

[1] Inha Univ, Sch Informat & Commun Engn, Inchon 402751, South Korea

[2] Kangwon Natl Univ, Sch Informat Technol, Chunchon 200710, South Korea

来源：

IEEE TRANSACTIONS ON COMMUNICATIONS | 2008年 / 56卷 / 04期

关键词：

multiuser diversity; MIMO; antenna correlation;

D O I：

10.1109/TCOMM.2008.050671

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, we investigate the effect of spatial correlation on throughput performance of downlink multi-antenna transmission schemes exploiting multiuser diversity, in which partial channel information such as signal-to-interference plus noise power ratio (SINR) is available at the transmitter. The asymptotic analysis is performed based on the extreme value theory. From this analysis, we demonstrate that the throughput optimal transmission scheme depends on the degree of the antenna correlation and the operating SNR. Especially, the multiuser spatial multiplexing known as the asymptotically optimal transmission scheme is no longer optimal in highly correlated multiple antenna channels.

引用

页码：666 / 674

页数：9

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