Modelling and Analysis of Spectrum Handoff Schemes

Bisma Bashir, Tajinder Pal Singh


Cognitive radio is an intelligent technique which is used to improve spectrum utilization. Radio frequency becomes very valuable due to the increase in the number of mobile devices and different types of wireless services. Each wireless service has its own spectrum in which the user operates. However, some of the wireless services have a wide spectrum with not many users as could be accommodated. The bandwidth becomes very expensive due to the shortage of frequency. Spectrum efficiency through cognitive radio (CR) is achieved via four main functions; spectrum sensing, spectrum decision, spectrum sharing, and spectrum mobility. In this thesis we focus on spectrum mobility which is called as SPECTRUM HANDOFF which is a procedure that’s initiated when the primary users (PUs) appear to occupy its licensed band that was being utilized by the secondary users (SUs) during its idle time and enables the SUs to have an efficient and less delayed mode of communication.

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A. Wyglinski and M. Nekovee, "Cognitive radio communications and networks," IEEE Communications Magazine, vol. 46, pp. 30-31, 2008.

E. FCC, "Docket No 02-135," Spectrum Policy Task Force Report, 2002.

S. M. Mishra, D. Cabric, C. Chang, D. Willkomm, B. Van Schewick, S. Wolisz, and B. Brodersen, "A real time cognitive radio testbed for physical and link layer experiments," 2005, pp. 562-567.

S. Huang, X. Liu, and Z. Ding, "Optimal transmission strategies for dynamic spectrum access in cognitive radio networks," Mobile Computing, IEEE Transactions on, vol. 8, pp. 1636-1648, 2009.

I. F. Akyildiz, W. Y. Lee, M. C. Vuran, and S. Mohanty, "A survey on spectrum management in cognitive radio networks," Communications Magazine, IEEE, vol. 46, pp. 40-48, 2008.

S. Haykin, "Cognitive radio: brain-empowered wireless communications,"Selected Areas in Communications, IEEE Journal on, vol. 23, pp. 201-220, 2005.

B. A. Fette, Cognitive radio technology: Academic Press, 2009.

L. Kleinrock, "Queueing Systems, Vol. II: Computer Applications," ed:Wiley, New York, 1976.

L. Kleinrock, "Queueing systems, vol. I: Theory," ed: Wiley, New York, 1975.


J. Walraevens, D. Fiems, and H. Bruneel, "Performance analysis of priority queueing systems in discrete time," in Network performance engineering, ed:Springer, 2011, pp. 203-232.

M. Tanner, Practical Queueing Analysis: McGraw-Hill, 1995.

D. Efrosinin and A. Winkler, "Queueing system with a constant retrial rate, non-reliable server and threshold-based recovery," European journal of operational research, vol. 210, pp. 594-605, 2011.

B. Choi and Y. Chang, "Single server retrial queues with priority calls,"Mathematical and Computer modelling, vol. 30, pp. 7-32, 1999.

J. Roszik, "Retrial Queues and their Application in Performance Modelling of Communication Networks," 2010.

J. Amador and J. Artalejo, "The M/G/1 retrial queue: New descriptors of the customer’s behavior," Journal of computational and Applied Mathematics, vol. 223, pp. 15-26, 2009.

A. Kalmychkov and G. Medvedev, "Probability characteristics of Markov local-area networks with random-access protocols," Automatic Control and Computer Sciences, vol. 24, pp. 38-46, 1991.

W. D. Kelton and A. M. Law, Simulation modeling and analysis: McGraw Hill Boston, MA, 2000.

B. Cao, Q. Zhang, J. W. Mark, L. X. Cai, and H. V. Poor, "Toward efficient radio spectrum utilization: User cooperation in cognitive radio networking," Network, IEEE, vol. 26, pp. 46-52, 2012.

P. Yadav and P. P. Bhattacharya, "An Effective Dynamic Spectrum Access Method for Use in Cognitive Radio," 2013.

Q. Zhao and B. M. Sadler, "A survey of dynamic spectrum access," Signal Processing Magazine, IEEE, vol. 24, pp. 79-89, 2007.

Q. Zhao and A. Swami, "A survey of dynamic spectrum access: signal processing and networking perspectives," in Acoustics, Speech and Signal Processing, 2007. ICASSP 2007. IEEE International Conference on, 2007, pp. IV-1349-IV-1352.

Y. C. Liang, H. H. Chen, J. Mitola, P. Mahonen, R. Kohno, J. Reed, and L. Milstein, "Cognitive radio: theory and application," IEEE Journal on Selected Areas in Communication, vol. 26, pp. 1-4, 2008.

C. X. Wang, H. H. Chen, X. Hong, and M. Guizani, "Cognitive radio network management," Vehicular Technology Magazine, IEEE, vol. 3, pp. 28-35, 2008.

J. Mitola III and G. Q. Maguire Jr, "Cognitive radio: making software radios more personal," Personal Communications, IEEE, vol. 6, pp. 13-18, 1999.

J. Mitola, "Cognitive radio: An integrated agent architecture for software defined radio," Doctor of Technology, Royal Inst. Technol.(KTH), Stockholm, Sweden, pp. 271-350, 2000.

A. Jamalipour, "Cognitive heterogeneous mobile networks [Message from the Editor-in-Chief]," Wireless Communications, IEEE, vol. 15, pp. 2-3, 2008.

L. BERLEMANN and S. MANGOLD, "Cognitive radio and dynamic spectrum access," 2009.

ITU page on definitions of ism bands. [online]. Available: http: //

FCC, "Reports of commissions rules to permit unlicensed national information infrastructure (u-nii) devices in the 5 ghz band," Tech. Rep.November 2003.



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