@ARTICLE {21397,
author={S. Ali Ali and D. Castanheira and A.  Silva and A. Gameiro},
doi={10.1016/j.phycom.2017.03.006},
journal={Physical Communication},
title={Joint signal alignment precoding and physical network coding for heterogeneous networks},
year={2017},
month={June},
volume={23},
number={0},
pages={125-133},
ISSN={1874-4907}
}