@INPROCEEDINGS {15921,
author={K. Huq and S.M. Mumtaz and J. Rodriguez and R.  Aguiar},
doi={10.1109/ISCC.2014.6912572},
booktitle={IEEE International Symp. on Computers and Communications - ISCC},
title={Energy efficiency optimization in MU-MIMO system with spectral efficiency constraint},
year={2014},
month={June},
volume={-},
pages={1-5} 
}