Asynchronous Protocol Designs for Energy Efficient Mobile Edge Computing Systems
- Authors
- Eom, Subin; Lee, Hoon; Park, Junhee; Lee, Inkyu
- Issue Date
- Jan-2021
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Task analysis; Servers; Protocols; Uplink; Downlink; Energy consumption; Time-frequency analysis; Mobile edge computing; task offloading; energy efficient; resource allocation; convex optimization
- Citation
- IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, v.70, no.1, pp.1013 - 1018
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY
- Volume
- 70
- Number
- 1
- Start Page
- 1013
- End Page
- 1018
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/50297
- DOI
- 10.1109/TVT.2020.3044073
- ISSN
- 0018-9545
- Abstract
- This paper investigates an asynchronous offloading protocol for mobile edge computing (MEC) systems where the computational tasks of mobile users are partially offloaded to a MEC server at a base station (BS). In the proposed asynchronous approach, upload, computation, and download of the tasks are performed in an asymmetric and non-orthogonal manner. A joint optimization problem of the transmit power, the offloading size, and the time-frequency resources is addressed to minimize the energy consumption of the overall system. By applying convex optimization techniques, the optimal solution for the asynchronous MEC offloading problem can be obtained. Numerical results demonstrate the effectiveness of the proposed asynchronous protocol over the conventional synchronous approach.
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