@Article{cmc.2020.07620,
AUTHOR = {Wuxiong Zhang, Weidong Fang, Qianqian Zhao, Xiaohong Ji, Guoqing Jia},
TITLE = {Energy Efficiency in Internet of Things: An Overview},
JOURNAL = {Computers, Materials \& Continua},
VOLUME = {63},
YEAR = {2020},
NUMBER = {2},
PAGES = {787--811},
URL = {http://www.techscience.com/cmc/v63n2/38544},
ISSN = {1546-2226},
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.},
DOI = {10.32604/cmc.2020.07620}
}