1. Federal Communications Commission, Spectrum Policy Task Force Report, Tech. Rep., ET Docket No. 02-155, Washington, DC, USA, Nov. 2002.
2. Signal processing in cognitive radio;Ma;Proc. IEEE,2009
3. Cognitive radio: making software radios more personal;Mitola;IEEE Pers. Commun.,1999
4. Federal Communications Commission, Notice of Proposed Rule Making and Order: Facilitating Opportunities for Flexible, Efficient, and Reliable Spectrum Use Employing Cognitive Radio Technologies, Tech. Rep., ET Docket No. 03-108, Washington, DC, USA, Feb. 2005.
5. Spectrum sensing in cognitive radio networks: requirements, challenges and design trade-offs;Ghasemi;IEEE Commun. Mag.,2008