Performance degradation of a transmit diversity scheme due to fading

TitlePerformance degradation of a transmit diversity scheme due to fading
Publication TypeConference Paper
Year of Publication2005
AuthorsZheng, T., and C. Leung
Conference NameCommunications, Computers and signal Processing, 2005. PACRim. 2005 IEEE Pacific Rim Conference on
Pagination498 - 501
Date Publishedaug.
KeywordsAlamouti simple transmit diversity scheme, channel estimation, channel estimation error, conditional bit error rates, correlated Rayleigh fading channels, diversity reception, error statistics, performance degradation, Rayleigh channels, spatially correlated fading channel, temporal correlation, time-selectivity channel

In this paper, the error performance of the Alamouti simple transmit diversity (STD) scheme in the presence of spatially correlated fading with time-selectivity or channel estimation error is studied. Exact expressions for the conditional bit error rates and simple approximate expressions for the average bit error rates over correlated Rayleigh fading channels are obtained. It is shown that STD performance generally degrades with increase in channel estimation error, decrease in temporal correlation and increase in spatial correlation.


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