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Spectrum Handoff Management in Cognitive Radio Networks: Solutions, Modeling, and Future Directions

Spectrum Handoff Management in Cognitive Radio Networks: Solutions, Modeling, and Future Directions

Md. Akbar Hossain, Nurul I. Sarkar
Copyright: © 2013 |Pages: 21
ISBN13: 9781466642218|ISBN10: 1466642211|EISBN13: 9781466642225
DOI: 10.4018/978-1-4666-4221-8.ch006
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MLA

Hossain, Md. Akbar, and Nurul I. Sarkar. "Spectrum Handoff Management in Cognitive Radio Networks: Solutions, Modeling, and Future Directions." Cognitive Radio Technology Applications for Wireless and Mobile Ad Hoc Networks, edited by Natarajan Meghanathan and Yenumula B. Reddy, IGI Global, 2013, pp. 103-123. https://doi.org/10.4018/978-1-4666-4221-8.ch006

APA

Hossain, M. A. & Sarkar, N. I. (2013). Spectrum Handoff Management in Cognitive Radio Networks: Solutions, Modeling, and Future Directions. In N. Meghanathan & Y. Reddy (Eds.), Cognitive Radio Technology Applications for Wireless and Mobile Ad Hoc Networks (pp. 103-123). IGI Global. https://doi.org/10.4018/978-1-4666-4221-8.ch006

Chicago

Hossain, Md. Akbar, and Nurul I. Sarkar. "Spectrum Handoff Management in Cognitive Radio Networks: Solutions, Modeling, and Future Directions." In Cognitive Radio Technology Applications for Wireless and Mobile Ad Hoc Networks, edited by Natarajan Meghanathan and Yenumula B. Reddy, 103-123. Hershey, PA: IGI Global, 2013. https://doi.org/10.4018/978-1-4666-4221-8.ch006

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Abstract

Cognitive radio (CR) is a promising technology that can enhance the radio spectrum utilization by enabling unlicensed users to exploit the spectrum in an opportunistic manner. However, the main challenge is to share the licensed spectrum without interfering transmissions of other licensed users. A CR node needs to vacate the spectrum upon detection of licensed users on a particular frequency band (e.g., spectrum handoff or spectrum mobility) leading to significant network performance drops and switching overheads. This chapter aims to propose a proactive spectrum handoff management scheme to overcome the problem of handoff latency management in CR ad hoc networks. The proposed scheme is modeled and its performance is evaluated using an OPNET simulation tool. Simulation results are presented to evaluate the performance of the proposed system. The chapter concludes with a brief discussion and future research directions.

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