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Low complexity adaptive MMSE space-time multiuser detection in multipath CDMA systems

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2 Author(s)
Lu Ling-yun ; Inst. of Inf. Sci., Beijing Jiaotong Univ., China ; Xiao Yang

In order to gain the high quality wireless communication transmission services, we necessarily eliminate multiple-access interference (MAI) that affects CDMA systems receivers. However, the developed MMSE space-time multiuser detection usually needs more complexity computation in receivers. In this paper, we propose an adaptive MMSE space-time multiuser detector, which adopt the Lagrange multipliers method and extend the constraint space. Simulation results show that the scheme can improve the performance of systems effectively.

Published in:

TENCON 2004. 2004 IEEE Region 10 Conference  (Volume:A )

Date of Conference:

21-24 Nov. 2004