@inproceedings{asaad2017optimal,

title={Optimal number of transmit antennas for secrecy enhancement in massive MIMOME channels},

author={Asaad, Saba and Bereyhi, Ali and M{\"u}ller, Ralf R and Schaefer, Rafael F and Rabiei, Amir M},

booktitle={Proc. IEEE Global Communications Conference (GLOBECOM)},

pages={1--6},

year={2017},

organization={IEEE}

}