Cost Efficient Resource Management in Fog Computing Supported Medical Cyber-Physical System
Top Cited Papers
Open Access
- 17 December 2015
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Emerging Topics in Computing
- Vol. 5 (1), 108-119
- https://doi.org/10.1109/tetc.2015.2508382
Abstract
With the recent development in information and communication technology, more and more smart devices penetrate into people's daily life to promote the life quality. As a growing healthcare trend, medical cyber-physical systems (MCPSs) enable seamless and intelligent interaction between the computational elements and the medical devices. To support MCPSs, cloud resources are usually explored to process the sensing data from medical devices. However, the high quality-of-service of MCPS challenges the unstable and long-delay links between cloud data center and medical devices. To combat this issue, mobile edge cloud computing, or fog computing, which pushes the computation resources onto the network edge (e.g., cellular base stations), emerges as a promising solution. We are thus motivated to integrate fog computation and MCPS to build fog computing supported MCPS (FC-MCPS). In particular, we jointly investigate base station association, task distribution, and virtual machine placement toward cost-efficient FC-MCPS. We first formulate the problem into a mixed-integer non-linear linear program and then linearize it into a mixed integer linear programming (LP). To address the computation complexity, we further propose an LP-based two-phase heuristic algorithm. Extensive experiment results validate the high-cost efficiency of our algorithm by the fact that it produces near optimal solution and significantly outperforms a greedy algorithm.Keywords
Funding Information
- Strategic International Collaborative Research Program—Japan Science and Technology Agency—U.S. National Science Foundation (NSF) Joint Research on Big Data and Disaster Research
- NSF of China (61402425, 61501412)
- Fundamental Research Funds for National University, China University of Geosciences, Wuhan, China (CUG14065, CUGL150829)
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