@INPROCEEDINGS {12036,
author={R.   Rodrigues and R. Dinis and Cercas, F. Cercas},
doi={},
booktitle={IEEE Vehicular Technology Conf. - VTC-Fall},
title={Training Sequence Design for Channel Estimation with Nonlinear OQPSK-Type Modulations},
year={2012},
month={September},
volume={?},
pages={1-5} 
}