@INPROCEEDINGS {16106,
author={N. Barroca and Luis M. Borges and F. J. Velez and P. Chatzimisios},
doi={0},
booktitle={IEEE Global Communications Conference - GLOBECOM},
title={Block Acknowledgment in IEEE 802.15.4 by Employing DSSS and CSS PHY Layers},
year={2014},
month={December},
volume={-},
pages={---} 
}