F.S. ChuK.C. ChenKWANG-CHENG CHEN2018-09-102018-09-102007-09http://scholars.lib.ntu.edu.tw/handle/123456789/333931Radio Resource Allocation in OFDMA Cognitive Radio Systemsconference paper10.1109/PIMRC.2007.43945072-s2.0-44349161071