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MMSE detection for space-time coded MC-CDMA

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3 Author(s)
Wei Sun ; Center for Adv. Commun., Villanova Univ., PA, USA ; Hongbin Li ; Amin, M.

This paper considers applying the minimum mean square error (MMSE) criterion on the detection for space time coded multicarrier CDMA (STC-MC-CDMA) systems in frequency selective environments. In particular, we consider the Alamouti's space-time coding scheme that involves two transmit antennas. To acquire the channel information needed by the MMSE detector, a subspace-based blind channel identification algorithm, which utilizes only the second-order statistics of the received signal to perform the channel estimation, is employed. The performances of the MMSE detector are evaluated with computer simulations.

Published in:

Communications, 2003. ICC '03. IEEE International Conference on  (Volume:5 )

Date of Conference:

11-15 May 2003