Kanghee Lee 0001 Hyuck M. Kwon Jie Yang 0021 Edwin M. Sawan Hyuncheol Park Distributed multiuser MMSE relaying strategies for AF wireless relay networks. 3372-3376 2014 GLOBECOM https://doi.org/10.1109/GLOCOM.2014.7037328 conf/globecom/2014 db/conf/globecom/globecom2014.html#LeeK0SP14