1. FCC, ET Docket No 03-222 Notice of proposed rule making and order, December 2003.
2. S. Haykin, Cognitive radio: brain-empowered wireless communications, IEEE Journal on Selected Areas in Communications 23 (2) (2005) 201–220.
3. J. Mitola III, Cognitive radio: an integrated agent architecture for software defined radio, Ph.D Thesis, KTH Royal Institute of Technology, 2000.
4. Joseph Mitola III “Cognitive radio: an integrated agent architecture for software defined radio,” Ph.D. Thesis, Royal Institute of Technology (KTH) Sweden, May 2000.
5. F. K. Jondral, “Software-defined radio: basics and evolution to cognitive radio,” EURASIP Journal on Wireless Communications and Networking, vol. 5, no. 3, pp. 275–283, 2005.