A distributed network selection scheme in next generation heterogeneous wireless networks

Authors:
Pengbo Si;F. Richard Yu;Hong Ji;Victor C. M. Leung
Affiliations:
Key Laboratory of Universal Wireless Communication, Ministry of Education, Beijing University of Posts and Telecommunications, Beijing, P. R. China and Department of Systems and Computer Engineeri ...;Department of Systems and Computer Engineering, Carleton University, Ottawa, ON, Canada;Key Laboratory of Universal Wireless Communication, Ministry of Education, Beijing University of Posts and Telecommunications, Beijing, P. R. China;Department of Electrical and Computer Engineering, The University of British Columbia, Vancouver, BC, Canada
Venue:
WCNC'09 Proceedings of the 2009 IEEE conference on Wireless Communications & Networking Conference
Year:
2009

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Abstract

The network selection problem in next generation heterogeneous wireless networks is one of the key issues to integrate a wide range of radio access technologies. In most previous work, the network selection problem is modeled as a centralized system, without considering the distributed nature of heterogeneous wireless networks. In this paper, we propose a distributed network selection scheme in heterogeneous wireless networks. The the heterogeneous wireless networks are formulated as a restless bandit system, which has an "indexability" property that dramatically reduces the complexity. Extensive simulation results are presented to illustrate the performance improvement of the proposed scheme.