1Mitola J. Cognitive radio:making software radios more personal. IEEE Pers Commun, 1999,6 (4)
2Mitola J. Cognitive radio: an integrated agent architecture for software defined radio.In: Doctor of Technology, Royal Inst Technol (KTH),Stockholm, Sweden, 2000
3Krenik W.Cognitive techniques for wide area networks. Rep ET Docket No02-135, Federal Communications Commission, Nov 2002
4Mitola J. Cognitive radio for flexible mobile multimedia communications.I rc:Mobile Multimedia Communications, IEEE International Workshop,1999
5IEEE 802.22 working group on wireless regional area networks,http://www.ieee802.org/22/
