Distributed Fair Sensing Scheme based on Sensing Zone in Cognitive Radio Ad-hoc Networks 


Vol. 35,  No. 3, pp. 296-305, Mar.  2010


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  Abstract

Secondary users should sense the licensed spectrum bands in order to protect the primary users from interference. However, periodic and frequent sensing for immediate detection of primary users usually gives rise to much sensing overhead, and thus will quickly drain the battery as well as deteriorate the performance of a secondary user. To overcome such problems, we focus on the method reducing sensing overhead of each secondary user and propose a distributed fair sensing scheme that the multiple users within a certain area, so-called sensing zone, sense the spectrum bands in a fairly distributed manner and share the results among the users within respective sensing zone. The design of the frame structure for the proposal is also demonstrated while considering the sensing requirements for protecting primary users. The performance results by numerical analyses and computer simulations show that our proposed sensing scheme significantly reduces the sensing overhead of each user compared to the conventional sensing scheme and also satisfies the given sensing requirements for primary user protection.

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  Cite this article

[IEEE Style]

J. Choi and S. Yoo, "Distributed Fair Sensing Scheme based on Sensing Zone in Cognitive Radio Ad-hoc Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 3, pp. 296-305, 2010. DOI: .

[ACM Style]

Jae-Kark Choi and Sang-Jo Yoo. 2010. Distributed Fair Sensing Scheme based on Sensing Zone in Cognitive Radio Ad-hoc Networks. The Journal of Korean Institute of Communications and Information Sciences, 35, 3, (2010), 296-305. DOI: .

[KICS Style]

Jae-Kark Choi and Sang-Jo Yoo, "Distributed Fair Sensing Scheme based on Sensing Zone in Cognitive Radio Ad-hoc Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 3, pp. 296-305, 3. 2010.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880