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Adaptive blind multiuser DS-CDMA downlink equaliser

Hadef, M. and Weiss, S. and Rupp, M. (2005) Adaptive blind multiuser DS-CDMA downlink equaliser. Electronics Letters, 41 (21). pp. 1184-1186. ISSN 0013-5194

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Abstract

A robust and simple adaptive blind multiuser equaliser for downlink DS-CDMA systems is presented. The adaptation is based on forcing various user symbols onto a constant modulus, whereby no additional constraints such as the mixed cross-correlation are required. The proposed algorithm has a moderate computational complexity and shows a BER performance close to the MMSE solution.