Seungho Song Kyuho Son Hyang-Won Lee Song Chong Opportunistic Relaying in Cellular Network for Capacity and Fairness Improvement. 4407-4412 2007 GLOBECOM http://dx.doi.org/10.1109/GLOCOM.2007.838 conf/globecom/2007 db/conf/globecom/globecom2007.html#SongSLC07