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On Improved DCT Based Channel Estimation with Very Low Complexity for MIMO-OFDM Systems

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4 Author(s)
Diallo, Moussa ; France Telecom R&D Div., Cesson-Sevigne ; Rabineau, R. ; Cariou, L. ; Helard, M.

This paper deals with a novel transform domain channel estimation (TD-CE) based on discrete cosine transform (DCT) for the MIMO-OFDM system. After the description of the conventional DCT based method, a channel estimation scheme improved in terms of both performance and complexity using small DCT blocks is proposed. Finally the efficiency of this estimator is evaluated within IEEE802.11n and 3GPP/LTE system contexts.

Published in:

Vehicular Technology Conference, 2009. VTC Spring 2009. IEEE 69th

Date of Conference:

26-29 April 2009