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Adaptive Opportunistic Channel Access Strategy: A Tridimensional Traffic Model for Cognitive Radio

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2 Author(s)
Li Zhang ; Sch. of Commun. & Inf. Eng., Shanghai Univ., Shanghai ; Guoxin Zheng

Cognitive radio is innovational technologies which can uses the leftover channel looks like impossible to be used through dynamic configure some special parameters. Although the spectrum has been licensed to some users, the cognitive technology will allow a group of potential users to access available spectrum resources which are not full used of. Based on the tridimensional traffic model we proposed a opportunistic channel access scheme and further to propose the MAC protocol in detail. We call this behavior as run the red light which performs little difference in a channel or in several channels. We analyze this scheme how to adaptive access channel depends in different channel situations. Simulation results show that the proposed scheme and MAC protocol can lead to a significant performance. Most of important is that pose the new question for our further study.

Published in:

Computer Science and Information Technology, 2008. ICCSIT '08. International Conference on

Date of Conference:

Aug. 29 2008-Sept. 2 2008