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An adaptive decision feedback equalizer antenna array for multiuser CDMA wireless communications

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2 Author(s)
Vaidyanathan, C. ; Dept. of Electr. Eng., Minnesota Univ., Minneapolis, MN, USA ; Buckley, K.M.

In this paper we consider the use of an array of antennas to enhance reception of multiple signals in a multipath-fading, asynchronous environment. A CDMA system is assumed where the users are not jointly synchronized. An adaptive array is used to provide spatial selectivity between users while combining desired-user energy from different propagation paths. Adaptation is based on a decision feedback equalizer approach, so that neither reference signals nor array calibration is required for operation. Performance of this receiver is analyzed and simulations presented to validate the analysis.

Published in:

Signals, Systems and Computers, 1996. Conference Record of the Thirtieth Asilomar Conference on  (Volume:1 )

Date of Conference:

3-6 Nov. 1996