Journal
COMPUTER NETWORKS
Volume 122, Issue -, Pages 138-152Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.comnet.2017.04.039
Keywords
Mobile cloud; Intelligent mobile services; Multiple context based service scheduling
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Funding
- National Natural Science Foundation (NSF) [61672397, 61472294, 61601336]
- Program for the High-end Talents of Hubei Province
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This paper makes the use of cloud architecture as computational power for mobile device application. The multiple context based service scheduling scheme for balancing the cost and the benefits of mobile users and cloud datacenter supplier in mobile cloud is proposed, which can adapt to the system context without compromising mobile device user's QoS. The multiple context based mobile cloud service scheduling is formulated as a utility optimization problem, which is expressed as the summation of utilities of mobile cloud users. The proposed model aims to satisfy huge number of mobile requests, improve mobile user's QoS experiences and reduce system overheads. The proposed problem consists of cloud resources allocation optimization subproblem and mobile user QoS optimization subproblem. The multiple context based service scheduling algorithm is proposed to efficiently and adaptively schedule resource according to the context information. The proposed algorithm is validated through a series of experiments. The proposed algorithm can provide better QoS satisfaction for mobile device user, improve cloud resource utilization and reduce the cost. (C) 2017 Elsevier B.V. All rights reserved.
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