Successive interference cancellation for DS-CDMA systems with transmit diversity

Authors:
Wei Li;T. Aaron Gulliver
Affiliations:
Department of electrical and computer engineering, university of victoria, victoria BC, canada V8W 3P6;Department of electrical and computer engineering, university of victoria, victoria BC, canada V8W 3P6
Venue:
EURASIP Journal on Wireless Communications and Networking - Special issue on innovative signal transmission and detection techniques for next generation cellular CDMA systems
Year:
2004

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Abstract

We introduce a new successive interference cancellation (SIC) technique for direct sequence code division multiple access (DS-CDMA) systems with transmit diversity. The transmit diversity is achieved with a space-time block code (STBC). In our work we first consider hard decision SIC with an STBC, and then investigate the performance of soft decision SIC with an STBC. System performance over a Rayleigh fading channel is investigated and the analysis is confirmed by simulation.