3Mitola III J,MAGUIRE G Q J r. Cognitive radio: Making software radios more personal[J]. IEEE Personal Communications, 1999, 6 (4): 13-18.
4Devroye N, Mitran P, tarokh V. Achievable rates in cognitive radio channels[J]. IEEE Tran. On Information Theory, 2006, 52(5):1813-1827.
5Fetto BA. Cognitive Radio[M]. San Diego: Elsevier Inc., Aug. 2006:240-242.
6Roselito de A. Teixeira, Antonio de P. Braga, & et A Multi Objective Optimization Approach for Training Artificial Neural Networks[C]. Proceedings of the Vl Brazilian Symposium on Neural Networks, IEEE Computer Society Washington, DC, USA , 2000: P168-173.
7Cabric D, Brodersen R W. Physical Layer Design Issues Unique to Cognitive Radio Systems[C]. IEEE 16^th International Symposium on Personal, Indoor and Mobile Radio Communications Sept. 2005, 2:759-763
8Shah S F A, Tewfik A H. Efficient Design of OFDMA-Based Programmable Wireless Radios [J]. EURASIP Journal on Wireless Communications and Networking, Volume 2008, special issue. http://www. hindawi, com/journals/wcn/volume-2008/si. 3. html.
9[1]ET Docket No.03-222-2003,Notice of proposed rule making and order[S].
10[2]Digham F,Alouini M,Simon M.On the energy detection of unknown signals over fading channels[A].Proc.IEEE ICC[C].Baltimore,USA:IEEE,2005:3 575~579.