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Power Efficient Clustering Scheme for 5G Mobile Edge Computing Environment

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Abstract

Mobile edge computing (MEC), which is an evolution of cloud computing, is acknowledged as a promising technology for meeting low latency and bandwidth efficiency required in fifth generation (5G) era. Accordingly, the enlargement of distributed MEC installments will be realized and their power consumption might be a significant problem in terms of operating costs for service providers. Thus, this paper proposes a theoretical framework for MEC server clustering to minimize power consumption of the MEC environment. To do this, considering power consumption behavior of MEC servers using CPUs with dynamic voltage frequency scaling, we propose a power-efficient clustering scheme (PECS) that minimizes power consumption of MEC servers by obtaining the optimal number of clusters through convex optimization. Numerical results reveal the proposed PECS reduces power consumption of the MEC environment by 12.32% relative to an existing scheme while sustaining average delay of inflows processed in MEC servers at the acceptable level without turning off MEC servers.

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Acknowledgements

This work was partly supported by Institute for Information & communications Technology Promotion(IITP) grant funded by the Korea government(MSIT) (2018-0-00691, Development of Autonomous Collaborative Swarm Intelligence Technologies for Disposable IoT Devices) and in part by the Basic Science Research Program of the National Research Foundation of South Korea under Grant NRF-2018R1C1B6001849.

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Authors and Affiliations

  1. School of Electrical Engineering, Korea Advanced Institute of Science and Technology, Daejeon, 34141, South Korea

    Jaewon Ahn & Hong-Shik Park

  2. Department of Software, Gachon University, Seongnam, 13120, South Korea

    Joohyung Lee

  3. Information and Electronics Research Institute, Korea Advanced Institute of Science and Technology, Daejeon, 34141, South Korea

    Sangdon Park

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  1. Jaewon Ahn
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  2. Joohyung Lee
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  3. Sangdon Park
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  4. Hong-Shik Park
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Correspondence to Joohyung Lee.

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Ahn, J., Lee, J., Park, S. et al. Power Efficient Clustering Scheme for 5G Mobile Edge Computing Environment. Mobile Netw Appl 24, 643–652 (2019). https://doi.org/10.1007/s11036-018-1164-2

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  • DOI: https://doi.org/10.1007/s11036-018-1164-2

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