[1] Mitola J. Cognitive radio: an integrated agent architecture for software defined radio[D]. Sweden: Royal Institute of Technology, 2000.[2] Harry Urkowitz. Energydetection of unknown deterministic signals[J]. Proc of the IEEE, 1967, 55(4): 523-531.[3] Dandawate A V, Giannakis G B. Statistical tests for presence of cyclostationarity[J]. IEEE Transaction on Signal Processing, 1994, 42(9): 2355-2369.[4] 虞贵财, 罗涛, 黄振, 等. 感知无线电系统中改进的循环频谱检测算法[J]. 北京邮电大学学报, 2009, 32(2): 89-92. Yu Guicai, Luo Tao, Huang Zhen, et al. An improved cyclic spectrum detection algorithm in CR systems[J]. Journal of Beijing University of Posts and Telecommunications, 2009, 32(2): 89-92.[5] Zeng Yonghong, Liang Yingchang. Spectrum-sensing algorithms for cognitive radio based on statistical covariances[J]. IEEE Transaction on Vehicular Technology, 2009, 58(4): 1804-1815.[6] Zeng Yonghong, Liang Yingchang. Maximum-minimum eigenvalue detection for cognitive radio[J]. IEEE Transactions on Communications, 2009, 57(6): 1784-1093.[7] Mort Naraghi-Pour, Takeshi Ikuma. Autocorrelation-based spectrum sensing for cognitive radios[J]. IEEE Transactions on Vehicular Technology, 2010, 59(2): 718-733.[8] David R. Pauluzzi, Norman C. Beaulieu. A comparison of SNR estimation techniques for the AWGN channel[J]. IEEE Transactions on Communications, 2000, 48(10): 1681-1691.[9] Ren Guangliang, Chang Yilin, Zhang Hui. A new SNR's estimator for QPSK modulations in an AWGN channel[J]. IEEE Transactions on Circuits and Systems-Ⅱ: Express Briefs, 2005, 52(6): 336-338. |