@INPROCEEDINGS {28269,
author={R.  Correia and N.B.C. Carvalho},
doi={},
booktitle={IEEE Wireless Power Transfer Conf. - WPTC},
title={Design of High Order Modulation Backscatter Wireless Sensor for Passive IoT Solutions},
year={2016},
month={May},
volume={-},
pages={1-4} 
}