Abstract
Cognitive Radio (CR) has been proposed as a promising technique to solve spectrum scarcity problem in wireless communications. For the implementation of CR, one major challenge is to design distributed spectrum sharing, which needs to efficiently coordinate CRs in accessing the spectrum opportunistically based on only local information. To address this problem, in this paper, we make use of the heterogeneity among users in cognitive radio networks (CRNs) and propose a distributed cooperative game with classified players. A prioritized CSMA/CA technique is adopted so that CRs select channels and their priority to access channel based on their satisfaction history, a public signal for CRs to collaborate to achieve the Correlated Equilibrium (C.E.). A no-regret learning algorithm is adopted to learn the C.E. Simulation results show that the proposed C.E. based classified game (CECG) can achieve up to 40% better performance compared to the unclassified one.
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© 2012 ICST Institute for Computer Science, Social Informatics and Telecommunications Engineering
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Cui, S., Cai, J. (2012). Demand-Matching Spectrum Sharing in Cognitive Radio Networks: A Classified Game. In: Ren, P., Zhang, C., Liu, X., Liu, P., Ci, S. (eds) Wireless Internet. WICON 2011. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 98. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-30493-4_51
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DOI: https://doi.org/10.1007/978-3-642-30493-4_51
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