Asynchronous Protocol Designs for Energy Efficient Mobile Edge Computing Systems

被引:8
作者
Eom, Subin [1 ]
Lee, Hoon [2 ]
Park, Junhee [1 ]
Lee, Inkyu [1 ]
机构
[1] Korea Univ, Sch Elect Engn, Seoul 02841, South Korea
[2] Pukyong Natl Univ, Dept Informat & Commun Engn, Busan 48513, South Korea
基金
新加坡国家研究基金会;
关键词
Task analysis; Servers; Protocols; Uplink; Downlink; Energy consumption; Time-frequency analysis; Mobile edge computing; task offloading; energy efficient; resource allocation; convex optimization;
D O I
10.1109/TVT.2020.3044073
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
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.
引用
收藏
页码:1013 / 1018
页数:6
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