Radio Resource Sharing using Power Control of Base-station in Cognitive Radio System 


Vol. 32,  No. 10, pp. 1057-1064, Oct.  2007


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  Abstract

Cognitive radio(CR) technique which utilizes empty frequency bands allocated to private business but not being used temporally has been researched. According to the standard, CR users detect the primary user using the same channel, CR users should move to the another channel to guarantee the primary user's decodability. Thus, CR systems cannot use the same channel and support the CR users' QoS(Quality of Service) during the channel moving time. In this paper, we propose a radio resource sharing method that CR basestation controls the transmission power with the primary user's SNR(Signal to Noise Ratio) to increase the spectral efficiency of area and to minimize the outage of CR users. In addition, computer simulation demonstrates show that the proposed method improved spectral efficiency of area and decreased outage probability of CR users.

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  Cite this article

[IEEE Style]

Y. Kwon, Y. Ji, J. Chung, "Radio Resource Sharing using Power Control of Base-station in Cognitive Radio System," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 10, pp. 1057-1064, 2007. DOI: .

[ACM Style]

Yangsoo Kwon, Young-geun Ji, and Jaehak Chung. 2007. Radio Resource Sharing using Power Control of Base-station in Cognitive Radio System. The Journal of Korean Institute of Communications and Information Sciences, 32, 10, (2007), 1057-1064. DOI: .

[KICS Style]

Yangsoo Kwon, Young-geun Ji, Jaehak Chung, "Radio Resource Sharing using Power Control of Base-station in Cognitive Radio System," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 10, pp. 1057-1064, 10. 2007.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880