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Uplink MIMO channel estimation for beyond 3G systems

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2 Author(s)
Marques, P. ; Dept. de Electron. e Telecommun., Aveiro Univ., Portugal ; Gameiro, A.

Multiple input multiple output antennas (MIMO) can be used in B3G systems to improve communication quality and capacity. The receiver should know the MIMO channel to achieve coherent signal detection. In this paper, we propose an efficient channel estimation technique for MC-CDMA systems and MIMO uplink transmission. The proposed MIMO channel estimator results of a simple extension of the SISO channel estimator for each receiver antenna. The SISO channel estimator adopted is the robust minimum mean-squared error (MMSE) that does not require a priori knowledge of the channel statistics. The performance of the proposed MIMO channel estimation algorithm is demonstrated by computer simulation for B3G typical scenarios.

Published in:

3G Mobile Communication Technologies, 2004. 3G 2004. Fifth IEE International Conference on

Date of Conference:

2004