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The performance analysis of a receiver with combining multistage parallel interference cancellation and antenna array

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2 Author(s)
Shuangchun Liang ; Beijing Univ. of Posts & Telecommun., China ; Weiling Wu

This paper gives a new CDMA receiver combining multistage parallel interference cancellation that is one of multiuser detection methods and antenna array. The linear parallel interference cancellation (PIC) scheme is described using matrix algebra, so it is combined with multiple antennas as a linear space-time detector. This receiver is based on minimizing the mean-squared error (MMSE) criteria to get all user data. The weights for the receiver structure can be found by the steepest descent method that is a novel trained adaptive algorithms, then used to combine the soft-decision output user data after antenna array and multistage parallel interference cancellation processing. At last, the computer simulation result is given, shows good performance of this receiver to resist multipath effect.

Published in:

Communication Technology Proceedings, 2003. ICCT 2003. International Conference on  (Volume:2 )

Date of Conference:

9-11 April 2003