A Survey of Hierarchical Energy Optimization for Mobile Edge Computing

Author:

Cong Peijin1,Zhou Junlong2,Li Liying1,Cao Kun1,Wei Tongquan1ORCID,Li Keqin3

Affiliation:

1. East China Normal University, Shanghai, China

2. Nanjing University of Science and Technology, Nanjing, China

3. State University of New York, New Paltz, New York

Abstract

With the development of wireless technology, various emerging mobile applications are attracting significant attention and drastically changing our daily lives. Applications such as augmented reality and object recognition demand stringent delay and powerful processing capability, which exerts enormous pressure on mobile devices with limited resources and energy. In this article, a survey of techniques for mobile device energy optimization is presented in a hierarchy of device design and operation, computation offloading, wireless data transmission, and cloud execution of offloaded computation. Energy management strategies for mobile devices from hardware and software aspects are first discussed, followed by energy-efficient computation offloading frameworks for mobile applications that trade application response time for device energy consumption. Then, techniques for efficient wireless data communication to reduce transmission energy are summarized. Finally, the execution mechanisms of application components or tasks in various clouds are further described to provide energy-saving opportunities for mobile devices. We classify the research works based on key characteristics of devices and applications to emphasize their similarities and differences. We hope that this survey will give insights to researchers into energy management mechanisms on mobile devices, and emphasize the crucial importance of optimizing device energy consumption for more research efforts in this area.

Funder

National Natural Science Foundation of China

Natural Science Foundation of Jiangsu Province

Publisher

Association for Computing Machinery (ACM)

Subject

General Computer Science,Theoretical Computer Science

Reference143 articles.

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2. 2019. Communication protocol. https://en.wikipedia.org/wiki/Communication_protocol. 2019. Communication protocol. https://en.wikipedia.org/wiki/Communication_protocol.

3. 2019. Computation offloading. https://en.wikipedia.org/wiki/Computation_offloading. 2019. Computation offloading. https://en.wikipedia.org/wiki/Computation_offloading.

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