Efficient Spectrum Utilization Scheme Using Adjacent Cell's Incumbent User Cognition In Cognitive Radio System 


Vol. 32,  No. 1, pp. 66-74, Jan.  2007


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  Abstract

Cognitive Radio system can guarantee available channel whenever, wherever by sensing surrounding channel condition. Therefore, there is a strict rule that have to use allocated channel efficiently without any interference from incumbent User. In this paper, to avoid interference which can occur during uplink transmission in CR system, we propose reporter using scheme which informs incumbent user's situation to adjacent cell to limit channel usage. Therefore, we can use more channel in each cell without interference. With this scheme we can expect better throughput using more channel in a large space with same resource.

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  Cite this article

[IEEE Style]

M. Lee, J. Song, S. Sohn, J. Kim, "Efficient Spectrum Utilization Scheme Using Adjacent Cell's Incumbent User Cognition In Cognitive Radio System," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 1, pp. 66-74, 2007. DOI: .

[ACM Style]

Myeong-geol Lee, Jeong-ig Song, Sung-hwan Sohn, and Jae-moung Kim. 2007. Efficient Spectrum Utilization Scheme Using Adjacent Cell's Incumbent User Cognition In Cognitive Radio System. The Journal of Korean Institute of Communications and Information Sciences, 32, 1, (2007), 66-74. DOI: .

[KICS Style]

Myeong-geol Lee, Jeong-ig Song, Sung-hwan Sohn, Jae-moung Kim, "Efficient Spectrum Utilization Scheme Using Adjacent Cell's Incumbent User Cognition In Cognitive Radio System," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 1, pp. 66-74, 1. 2007.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880