@INPROCEEDINGS {38948,
author={R.  Torres and R.  Correia and N.B.C. Carvalho},
doi={10.1109/WPTC48563.2020.9295547},
booktitle={IEEE Wireless Power Transfer Conference},
title={All Digital Ambient Backscatter System},
year={2020},
month={November},
volume={},
pages={-} 
}