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Congestion-Aware DNS for Integrated Cellular and Wi-Fi Networks
Cheung, Man Hon; Hou, Fen; Huang, Jianwei; Southwell, Richard
2017-06
Source PublicationIEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS
ISSN0733-8716
Volume35Issue:6Pages:1269-1281
AbstractIntelligent network selection plays an important role in achieving an effective data offloading in the integrated cellular and Wi-Fi networks. However, previously proposed network selection schemes mainly focused on offloading as much data traffic to Wi-Fi as possible, without systematically considering the Wi-Fi network congestion and the ping-pong effect, both of which may lead to a poor overall user quality of experience. Thus, in this paper, we study a more practical network selection problem by considering both the impacts of the network congestion and switching penalties. More specifically, we formulate the users' interactions as a Bayesian network selection game (NSG) under the incomplete information of the users' mobilities. We prove that it is a Bayesian potential game and show the existence of a pure Bayesian-Nash equilibrium that can be easily reached. We then propose a distributed network selection (DNS) algorithm based on the network congestion statistics obtained from the operator. Furthermore, we show that computing the optimal centralized network allocation is an NP-hard problem, which further justifies our distributed approach. Simulation results show that the DNS algorithm achieves the highest user utility and a good fairness among users, as compared with the on-the-spot offloading and cellular-only benchmark schemes.
KeywordMobile data offloading cellular and Wi-Fi integration Bayesian potential game network selection
DOI10.1109/JSAC.2017.2687383
URLView the original
Indexed BySCI
Language英语
WOS Research AreaEngineering ; Telecommunications
WOS SubjectEngineering, Electrical & Electronic ; Telecommunications
WOS IDWOS:000402731600007
PublisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
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被引频次[WOS]:12   [WOS记录]     [WOS相关记录]
Document TypeJournal article
专题University of Macau
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Cheung, Man Hon,Hou, Fen,Huang, Jianwei,et al. Congestion-Aware DNS for Integrated Cellular and Wi-Fi Networks[J]. IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS,2017,35(6):1269-1281.
APA Cheung, Man Hon,Hou, Fen,Huang, Jianwei,&Southwell, Richard.(2017).Congestion-Aware DNS for Integrated Cellular and Wi-Fi Networks.IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS,35(6),1269-1281.
MLA Cheung, Man Hon,et al."Congestion-Aware DNS for Integrated Cellular and Wi-Fi Networks".IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS 35.6(2017):1269-1281.
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