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Performance Analysis of Alamouti Scheme in Time-Varying and Spatially Correlated Channels
Eunju LEE Jaedon PARK Giwan YOON
IEICE TRANSACTIONS on Communications
Publication Date: 2010/10/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
Alamouti scheme, correlated channels, outage probability, time-varying,
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In this paper, we analyze the performance of the 21 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.