Capon multiuser receiver for CDMA systems with space-time coding
作者： Hongbin Li , Xuguang Lu , G.B. Giannakis
DOI: 10.1109/78.995086
关键词:
摘要: We present in this paper a linear blind multiuser receiver, referred to as the Capon for code-division multiple-access (CDMA) systems utilizing multiple transmit antennas and space-time (ST) block coding. The receiver is designed by exploiting signal structures imposed both spreading ST highlight unique coding induced structure, which shown be critical establishing several analytical results, including self-interference (i.e., spatially mixed signals of same user) cancellation, output signal-to-interference-and-noise ratio (SINR), channel estimation receiver. To resolve scalar ambiguity intrinsic all schemes, we propose semi-blind implementation capitalizes on periodically inserted pilots interference suppression ability filters, (slowly) time-varying channels. Numerical examples are presented compare with other training-assisted (semi-)blind receivers illustrate performance gain ST-coded CDMA over those without
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