1. Spectrum Policy Task Force Report, FCC 02-155;Federal Communications Commission,2002
2. Notice of Proposed Rulemaking and Order, Facilitating Opportunities for Flexible, Efficient and Reliable Spectrum Use Employing Cognitive Radio Technologies, FCC 03-322;Federal Communications Commission,2003
3. Cognitive radio: making software radios more personal;Mitola;IEEE Pers Commun.,1999
4. Cognitive Radio: An Integrated Architecture for Software Defined Radio;Mitola,2000
5. A survey of spectrum sensing algorithms for cognitive radio applications;Yucek;IEEE Commun. Surv. Tutorials,2009