Hengameh Keshavarz Liang-Liang Xie Ravi R. Mazumdar User Capacity of Rician and Nakagami Fading Broadcast Channels. 4292-4296 2008 GLOBECOM http://dx.doi.org/10.1109/GLOCOM.2008.ECP.823 conf/globecom/2008 db/conf/globecom/globecom2008.html#KeshavarzXM08