4Brodersen RW,Wolisz A,Cabric D,Mishra SM, Willkomm D.Corvus:a cognitive radio approach for usage of virtual unlicensed spectrum. Berkeley Wireless Research Center(BWRC)White paper,2004.
5Zhi Quan,Shuguang Cui,Ali H.Sayed.Optimal Linear Cooperation for Spectrum Sensing in Cognitive Radio Networks.IEEE JOURNAL OF SELECTED TOPICS IN SIGNAL PROCESSING, 2008,VOL. 2, NO. 1:28- 40.
6Felegyhasl M,Cagalj M,Hubaux J P.Multi-radio channel allocation in competitive wireless networks[C]//26th IEEE International Conference on 04-07.Washington:IEEE Computer Society Washington,2006:36.
7Krenik W,Batra A.Cognitive radio techniques for wide area networks[C]//Design Automation Conference,2005 Proceedings 42nd 13-17.New York:Association for Computing Machinery,2005:409-412.
8Landstrom D,Wilson S K,Beek J J V,et al.Symbol time offset estimation in coherent OFDM systems[J].IEEE Trans On Communications,2002.50(4):50-54.
9Gardner W A.Measurement of spectral correlation[J].IEEE Transactions,1986,34(5):1111-1123.
10Gardner W A.Spectral correlation of modulated signals:part Ⅰ-Analog modulation[J].IEEE Transactions on Communications,1987,35(6):0584-0594.