Blind receiver for space-time differentially-encoded CDMA systems on multipath fading channels

Authors:
Francesco Alesiani;Alberto Tarable
Affiliations:
Politecnico di Torino-DELEN;Politecnico di Torino-DELEN
Venue:
ICICS'09 Proceedings of the 7th international conference on Information, communications and signal processing
Year:
2009

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Abstract

In this paper, we consider a MIMO multiuser system in a multipath fading channel. We design a blind receiver for a differential space-time coded modulation. A linear estimator projects the received signal onto the same subspace of the MMSE filter. The system works because of the differential encoding of the information matrices. Numerical results show that the blind receiver has the same performance of the unknown MMSE filter.