Jiansong Gan Shidong Zhou Jing Wang 0001 Kyung Park On the Sum-Rate Capacity of Multi-User Distributed Antenna System with Circular Antenna Layout. 2612-2616 2006 89-B IEICE Transactions 9 http://dx.doi.org/10.1093/ietcom/e89-b.9.2612 db/journals/ieicet/ieicet89b.html#GanZWP06