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An MMSE-based beamforming algorithm for smart antenna applied to an MC-CDMA system with co-channel interference

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4 Author(s)
Le Minh Tuan ; School of Eng., Inf. & Commun. Univ., Taejon, South Korea ; Pham Van Su ; Jewoo Kim ; Yoon, Giwan

This paper proposes an adaptive beamforming algorithm, called MC-MMSE, for adaptive antennas applied to an MC-CDMA system. A new method for updating the weight vector based on the MSE criterion is derived. Computer simulations show that the MC-MMSE algorithm is capable of rejecting co-channel interference that affects the MC-CDMA system. Thus, the BER performance of the MC-CDMA system is much higher than that of the MC-CDMA system without using adaptive antenna and that of the DS-CDMA system with adaptive antenna in multipath Rayleigh fading channel.

Published in:

Communication Systems, 2002. ICCS 2002. The 8th International Conference on  (Volume:2 )

Date of Conference:

25-28 Nov. 2002