@ARTICLE {9304,
author={D. Castanheira and A.  Silva and A. Gameiro},
doi={10.1109/LCOMM.2014.2331278},
journal={IEEE Communications Letters},
title={Minimum Codebook Size to achieve Maximal Diversity Order for RVQ based MIMO Systems},
year={2014},
month={July},
volume={18},
number={8},
pages={1463-1466},
ISSN={1089-7798}
}