@INPROCEEDINGS {34506,
author={S.I. Lopes and D.F.A. Albuquerque and J. Vieira},
doi={},
booktitle={International Conference on Indoor Positioning and Indoor Navigation – IPIN},
title={OFDM Pulse Design with Low PAPR for Ultrasonic Location and Positioning Systems},
year={2013},
month={October},
volume={},
pages={-} 
}