Policy-based Dynamic Channel Selection Architecture for Cognitive Radio Network 


Vol. 32,  No. 6, pp. 358-366, Jun.  2007


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  Abstract

Recently, FCC(Federal Communications Commission) has considered for that unlicensed device leases licensed devices’ channel to overcome shortage of communication channels. Therefore, IEEE 802.22 WRAN(Wireless Regional Area Networks) working group progresses CR (Cognitive Radio) technique that is able to sense and adopt void channels that are not being occupied by the licensed devices. Channel selection is of the utmost importance because it can affect the whole system performance in CR network. Thus, we propose a policy-based dynamic channel selection architecture for cognitive radio network to achieve an efficient communication. We propose three kinds of method for channel selection; the first one is weighted channel selection, the second one is sequential channel selection, and the last one is combined channel selection. We can obtain the optimum channel list and allocates channels dynamically using the proposed protocol.

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  Cite this article

[IEEE Style]

D. Na and S. Yoo, "Policy-based Dynamic Channel Selection Architecture for Cognitive Radio Network," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 6, pp. 358-366, 2007. DOI: .

[ACM Style]

Do-Hyun Na and Sang-Jo Yoo. 2007. Policy-based Dynamic Channel Selection Architecture for Cognitive Radio Network. The Journal of Korean Institute of Communications and Information Sciences, 32, 6, (2007), 358-366. DOI: .

[KICS Style]

Do-Hyun Na and Sang-Jo Yoo, "Policy-based Dynamic Channel Selection Architecture for Cognitive Radio Network," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 6, pp. 358-366, 6. 2007.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880