@ARTICLE {20116,
author={E. Castañeda and A.  Silva and A. Gameiro and M.  Kountouris},
doi={10.1109/COMST.2016.2618870},
journal={IEEE Communications Surveys & Tutorials},
title={An Overview on Resource Allocation Techniques for Multi-User MIMO Systems},
year={2017},
month={January},
volume={19},
number={1},
pages={239 -284 },
ISSN={}
}