2005•Chinese Journal of Radio ScienceRequires access

Performance analysis of transmit diversity schemes in LAS-CDMA

Xing Cheng

Abstract

There are three kinds of transmit diversity schemes in 3G standard: space time spreading(STS), space time transmit diversity(STTD) and Orthogonal transmit diversity(OTD). The performances with these transmit diversity schemes in LAS CDMA is analysed, and expressions of according signal to noise ratios are obtained. The BER performance evaluated by simulation justifies the superiority of LAS CDMA system with transmit diversity techniques.

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Key concepts: Transmit diversity, Code division multiple access, Computer science, Antenna diversity, Diversity (politics), Telecommunications, Electronic engineering, Fading