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Efficient MIMO channel estimation for linear precoded OFDMA uplink systems

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2 Author(s)
Cariou, L. ; France Telecom R&D, Cesson-Sevigne ; Helard, J.-F.

A novel and simple uplink MIMO channel estimation technique based on spread pilots well suited to LP OFDMA schemes is proposed. The combination with Alamouti code is studied and two different approaches are compared. The performance evaluated over a realistic MIMO channel shows the efficiency of this novel scheme, which appears to be a promising channel estimation for the uplink of future wideband wireless networks.

Published in:

Electronics Letters  (Volume:43 ,  Issue: 18 )