Year	2012
Authors	Wang, Li-chun
Paper Title	Ku, Meng-Lin;Wang, Li-Chun;Su, Yu T  "Toward Optimal Multiuser Antenna Beamforming for Hierarchical Cognitive Radio Systems" IEEE TRANSACTIONS ON COMMUNICATIONS  vol. 60   no. 10   pp. 2872-2885 DOI:10.1109/TCOMM.2012.081012.100728  OCT 2012
Date of Publication	2013-06-06
Language	Chinese