Efficient Channel Management to Maximize Spectrum Holes in Cognitive Radio Networks 


Vol. 32,  No. 10, pp. 621-629, Oct.  2007


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  Abstract

In cognitive radio (CR) network, the channels are generally classified into either the unavailable channels that are occupied by incumbent users or the available channels that are not occupied. The conventional channel classification scheme may result in poor utilization of spectrum holes since it does not take the spatial relationship between CR node and incumbent users into consideration. In this paper, we propose an efficient channel management scheme for the centralized CR network to maximize the spectrum holes by overcoming the shortcomings of conventional scheme. In addition, we mathematically analyze the effectiveness of proposed scheme. Based on the proposed channel management scheme, we also propose the rendezvous algorithm, which can establish the control channels between base station and CR node under the dynamically changing spectrum environment.

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  Cite this article

[IEEE Style]

P. Jeong, Y. Shin, W. Lee, M. Yoo, "Efficient Channel Management to Maximize Spectrum Holes in Cognitive Radio Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 10, pp. 621-629, 2007. DOI: .

[ACM Style]

Piljung Jeong, Yoan Shin, Woncheol Lee, and Myungsik Yoo. 2007. Efficient Channel Management to Maximize Spectrum Holes in Cognitive Radio Networks. The Journal of Korean Institute of Communications and Information Sciences, 32, 10, (2007), 621-629. DOI: .

[KICS Style]

Piljung Jeong, Yoan Shin, Woncheol Lee, Myungsik Yoo, "Efficient Channel Management to Maximize Spectrum Holes in Cognitive Radio Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 10, pp. 621-629, 10. 2007.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880