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Blind channel estimation for OFDM based multitransmitter systems using guard interval diversity

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4 Author(s)
Yi Ma ; Dept. of Electr. Eng. & Electron., Liverpool Univ., UK ; Yi Huang ; Xu Zhu ; Na Yi

The paper proposes a novel blind channel estimation algorithm for MIMO-OFDM systems by exploiting the guard interval (GI) diversity at the transmitter. This approach also offers a new MIMO-OFDM model with the GI diversity. The proposed blind channel estimator uses second-order cyclostationary statistics to yield unique channel estimates. Relying on the GI diversity, the blind estimator deals with subchannels individually. Simulation results demonstrate that the proposed method outperforms the non-constant precoding approach in terms of mean-square-error performance.

Published in:

Vehicular Technology Conference, 2004. VTC 2004-Spring. 2004 IEEE 59th  (Volume:1 )

Date of Conference:

17-19 May 2004