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Affine projection algorithm for blind multiuser equalisation of downlink DS-CDMA system

Hadef, M. and Bendoukha, S. and Weiss, S. and Rupp, M. (2005) Affine projection algorithm for blind multiuser equalisation of downlink DS-CDMA system. In: 39th Asilomar Conference on Signals, Systems and Computers, 1900-01-01.

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Abstract

In this paper, we derive an affine projection algorithm (APA) for blind multiuser equalisation, suitable for downlink DS-CDMA systems. Adaptation is performed by minimising a cost function based on the constant modulus (CM) criterion for all users. Computer simulations are used to assess the performance of the algorithm.