@INPROCEEDINGS {34817,
author={G. Anjos and D. Castanheira and A.  Silva and A. Gameiro},
doi={},
booktitle={IEEE International Symp. on Personal, Indoor and Mobile Radio Commun  - PIMRC},
title={Securing Non-Orthogonal Multiple Access Systems Against Simultaneous Eavesdropping Attacks Coming from Inside and Outside of the Network},
year={2019},
month={September},
volume={},
pages={-} 
}