Space-time multirate blind multiuser detection for synchronous DS/CDMA systems
Huang, L., Zheng, F.-C. and Faulkner, M. (2001) Space-time multirate blind multiuser detection for synchronous DS/CDMA systems. In: Globecom '01: IEEE Global Telecommunications Conference, 25-29 Nov 2001, San Antonio, TX, USA, pp. 146-150.
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To link to this item DOI: 10.1109/GLOCOM.2001.965096
This paper proposes the subspace-based space-time (ST) dual-rate blind linear detectors for synchronous DS/CDMA systems, which can be viewed as the ST extension of our previously presented purely temporal dual-rate blind linear detectors. The theoretical analyses on their performances are also carried out. Finally, the two-stage ST blind detectors are presented, which combine the adaptive purely temporal dual-rate blind MMSE filters with the non-adaptive beamformer. Their adaptive stages with parallel structure converge much faster than the corresponding adaptive ST dual-rate blind MMSE detectors, while having a comparable computational complexity to the latter.