@INPROCEEDINGS {14606,
author={PMC Carvalho and     and R. Dinis and M.B. Beko},
doi={0},
booktitle={IEEE Military Communications Conf. - MILCOM},
title={On the use of Multiple Amplifiers and Antennas for efficient Directive Transmission with large Constellations},
year={2013},
month={November},
volume={1},
pages={1-6} 
}