A commercial video-caching system for small-cell cellular networks using game theory

Li, Jun, Sun, Jinshan, Qian, Yuwen, Shu, Feng, Xiao, Ming, and Xiang, Wei (2016) A commercial video-caching system for small-cell cellular networks using game theory. IEEE Access, 4. pp. 7519-7531.

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Evidence indicates that requesting video clips on demand accounts for a dramatic increase in data traffic over cellular networks. Caching part of popular videos in the storage of small-cell base stations (SBS) in cellular networks is an efficient method to reduce transmission latency and mitigate redundant transmissions. In this paper, we propose a commercial caching system consisting of a video retailer (VR) and multiple network service providers (NSPs). Each NSP leases its SBSs, with some price, to the VR for the purpose of making profits, and the VR, after storing popular videos in the rented SBSs, can provide better local video services to the mobile users, thereby gaining more profits. We conceive this system within the framework of a Stackelberg game by treating the SBSs as a specific type of resources. Then, we establish the profit models for both the NSPs and the VR based on stochastic geometry. We further investigate the Stackelberg equilibrium by solving the optimization problems in two cases, i.e., whether or not the VR has a budget plan on renting the SBSs. Numerical results are provided for quantifying the proposed framework by showing its efficiency on pricing and resource allocation.

Item ID: 47404
Item Type: Article (Research - C1)
ISSN: 2169-3536
Date Deposited: 06 Mar 2017 23:50
FoR Codes: 40 ENGINEERING > 4006 Communications engineering > 400699 Communications engineering not elsewhere classified @ 50%
40 ENGINEERING > 4006 Communications engineering > 400608 Wireless communication systems and technologies (incl. microwave and millimetrewave) @ 50%
SEO Codes: 89 INFORMATION AND COMMUNICATION SERVICES > 8901 Communication Networks and Services > 890199 Communication Networks and Services not elsewhere classified @ 100%
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