1FCC. Spectrum Policy Task Force Report. ET Docket No. 02-155,Nov 02,2002.
2J Mitola and G Q Maguire. Cognitive radio: Making software radios more personal. IEEE Pers. Commun., vol. 6, no. 4,Aug. 1999,13-18.
3S Haykin. Cognitive Radio: Brain-Empowered Wireless Communications, Selected Areas in Communications. IEEE Journal on,vol. 23, no. 2,p. 201,2005.
4B Wild,K Ramchandran. Detecting primary receivers for cognitive radio applications,in Proc. IEEE Symp. New Frontiers Dynamic Spectrum Access Networks, Nov. 2005,124-130.
5D Cabric,S M Mishra and R W Brodersen. Implementation Issues in Spectrum Sensing for Cognitive Radios. in Proc. Asilomar Conf. on Signals,Systems and Computers Asilomar. California,USA,2004,772-776.
