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An subspace-based blind multiuser detection in dispersive CDMA channels

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3 Author(s)
Guoquan Cai ; Shangai JiaoTong Univ., Shanghai, China ; Dapeng Yu ; Wentao Song

This work investigates the discrete-time MIMO model of the dispersive CDMA channel. Then based on the identified signal subspace parameters and the channel response, two liner detectors that are a zero-forcing detector and a minimize-mean-square-error (MMSE) detector are analyzed. The simulation result shows that the linear MMSE detectors are capable of suppressing both multiple-access interference (MAI) and intersymbol interference (ISI) and the performance of the MMSE detector outperforms the matched filter.

Published in:

Emerging Technologies: Frontiers of Mobile and Wireless Communication, 2004. Proceedings of the IEEE 6th Circuits and Systems Symposium on  (Volume:2 )

Date of Conference:

31 May-2 June 2004