@INPROCEEDINGS {34709,
author={R. F. S. Caldeirinha and J. R. Reis and M.  Vala},
doi={},
booktitle={IEEE IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications APWC2019},
title={On the Practical Limitations of Electronic Beamsteering using Metamaterials at 28 GHz},
year={2019},
month={September},
volume={-},
pages={---} 
}