1. 1. D. M. Alias and G. K. Ragesh, “Cognitive Radio networks: A survey,” in Proceedings of the 2016 IEEE International Conference on Wireless Communications, Signal Processing and Networking, WiSPNET 2016, 2016, pp. 1981– 1986.
   2. J. Huang, H. Wang, and H. Liu, “A survey on cognitive radio networks,” in Lecture Notes of the Institute for Computer Sciences, SocialInformatics and Telecommunications Engineering, 2010, vol. 48 LNICST, pp. 487–498.
   3. A. Asokan and R. Ayyappadas, “Survey on cognitive radio and cognitive radio sensor networks,” in 2014 International Conference on Electronics and Communication Systems, ICECS 2014, 2014.
   4.  V. M. Patil and S. R. Patil, “A survey on spectrum sensing algorithms for cognitive radio,” in 2016 International Conference on Advances in Human Machine Interaction, HMI 2016, 2016, pp. 149– 153.
   5. W. Mardini, Y. Khamayseh, and S. J. Al-Zaro, “Spectrum management in cognitive radio networks,” ICIC Express Lett. Part B Appl., 2018.
   6. A. K. Yadav and S. Sharma, “Cognitive radio spectrum sensing,” in Proceedings of the 10th INDIACom; 2016 3rd International Conference on Computing for Sustainable Global Development, INDIACom 2016, 2016, pp. 3009– 3013.
   7. W.-H. Chung, “Spectrum Sensing in Cognitive Radio,” 2012, pp. 29–42.
   8. A. Puschmann, S. N. Khan, A. H. Mahdi, M. A. Kalil, and A. Mitschele-Thiel, “An architecture for cognitive radio ad-hoc network nodes,” in 2012 International Symposium on Communications and Information Technologies, ISCIT 2012, 2012, pp. 394–398.