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Suboptimum Channel Estimate for MIMO-OFDM System in Time-Varying Fast Fading Channels

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3 Author(s)

In this paper, an adaptive path number selection mechanism is proposed to improve the accuracy of the frequency channel response obtained from the pilot-based channel estimation approach for QAM modulated MIMO-OFDM systems. The 2×2 space-frequency block code-dedicated short-range communication (2×2 SFBC- DSRC) system and a six-path channel model are considered as an example of the MIMO-OFDM system in the simulations. Simulation results prove the relevant benefits of the proposed suboptimum channel estimation approach used in time-varying fast fading channels.

Published in:

Vehicular Technology Conference (VTC 2010-Spring), 2010 IEEE 71st

Date of Conference:

16-19 May 2010