@ARTICLE {20157,
author={S.M. Mumtaz and S.  Qaisar and M.  Naeem},
doi={10.1007/s11235-017-0291-6},
journal={Telecommunication Systems},
title={Smart heterogeneous networks: a 5G paradigm},
year={2017},
month={February},
volume={66},
number={2},
pages={311-330},
ISSN={1018-4864}
}