Performance Analysis of Alamouti Scheme in Time-Varying and Spatially Correlated Channels

被引：0

作者：

Lee, Eunju ^{[1
]}

Park, Jaedon ^{[2
]}

Yoon, Giwan ^{[1
]}

机构：

[1] Korea Adv Inst Sci & Technol, Taejon 305701, South Korea

[2] ADD, Taejon, South Korea

来源：

IEICE TRANSACTIONS ON COMMUNICATIONS | 2010年 / E93B卷 / 10期

关键词：

Alamouti scheme; correlated channels; outage probability; time-varying; TRANSMIT DIVERSITY;

D O I：

10.1587/transcom.E93.B.2804

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 analyze the performance of the 2 x 1 Alamouti scheme suggested by Alamouti, composed of the transmit space-time code and the simple linear decoding processing, in perfectly time-varying and spatially correlated channels. We derive the closed-form probability density function (PDF) of output signal-to-noise ratio (SNR) and outage probability of the Alamouti scheme as a function of spatial correlation coefficient in the consideration of no correlation in time. We observe that the performance of the Alamouti scheme is severely degraded when the channels are time-varying and spatially correlated.

引用

页码：2804 / 2807

页数：4

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