@INPROCEEDINGS {6066,
author={N.S. Souto and J. C. Silva and  Kumar and A. Correia},
doi={},
booktitle={IEEE Vehicular Networking Conf. (VNC)},
title={On the Use of Implicit Pilots for Channel Estimation with OFDM Modulations},
year={2007},
month={September},
volume={-},
pages={---} 
}