@INPROCEEDINGS {6840,
author={P. Vieira and M.P. Queluz and A. J. Rodrigues},
doi={},
booktitle={URSI Seminar of the Portuguese Committee},
title={Improving MIMO Spectral Efficiency in 4G Macro-Cellular Networks},
year={2008},
month={November},
volume={1},
pages={1-1} 
}