Open Access

ARTICLE

Energy Efficiency in Internet of Things: An Overview

Wuxiong Zhang^{1, 2}, Weidong Fang^{1, 2, *}, Qianqian Zhao^{1, 2}, Xiaohong Ji³, Guoqing Jia³

1 Key Laboratory of Wireless Sensor Network & Communication, Shanghai Institute of Micro-System and Information Technology, Chinese Academy of Sciences, Shanghai, 201899, China.
2 Shanghai Research Center for Wireless Communication, Shanghai, 201210, China.
3 College of Physics and Electronic Information Engineering, Qinghai University for Nationalities, Xining, 810007, China.

* Corresponding Author: Weidong Fang. Email: .

Computers, Materials & Continua 2020, 63(2), 787-811. https://doi.org/10.32604/cmc.2020.07620

Received 13 June 2019; Accepted 06 August 2019; Issue published 01 May 2020

Abstract

Energy efficiency is very important for the Internet of Things (IoT), especially for front-end sensed terminal or node. It not only embodies the node’s life, but also reflects the lifetime of the network. Meanwhile, it is also a key indicator of green communications. Unfortunately, there is no article on systematic analysis and review for energy efficiency evaluation in IoT. In this paper, we systemically analyze the architecture of IoT, and point out its energy distribution, Furthermore, we summarized the energy consumption model in IoT, analyzed the pros and cons of improving energy efficiency, presented a state of the art the evaluation metrics of energy efficiency. Finally, we conclude the techniques and methods, and carry out a few open research issues and directions in this field.

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Keywords

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