@ARTICLE{2016Survey-Relays,
author={N. {Nomikos} and T. {Charalambous} and I. {Krikidis} and D. N. {Skoutas} and D. {Vouyioukas} and M. {Johansson} and C. {Skianis}},
journal={IEEE Communications Surveys and Tutorials},
title={A Survey on Buffer-Aided Relay Selection},
number={2},
pages={1073--1097},
year={2016},
}