@INPROCEEDINGS {10698,
author={D. Neves and C. Ribeiro and A.  Silva and A. Gameiro},
doi={},
booktitle={IEEE Vehicular Technology Conf. - VTC-Fall},
title={A Pilot-Data Based Channel Estimation Method for OFDM Relay-Assisted Systems},
year={2011},
month={September},
volume={74th},
pages={1-5} 
}