@INPROCEEDINGS {12639,
author={Rasool Sadeghi Sadeghi and JPB Barraca and R.  Aguiar},
doi={},
booktitle={IEEE International Symp. on Personal, Indoor and Mobile Radio Commun  - PIMRC},
title={Metrics for Optimal Relay Selection in Cooperative Wireless Networks},
year={2011},
month={September},
volume={-},
pages={---} 
}