An Energy-Efficient Routing Algorithm Based on Context Awareness

doi:10.3969/j.issn.1000-565X.2015.05.022

Journal of South China University of Technology (Natural Science Edition) ›› 2015, Vol. 43 ›› Issue (5): 139-144.doi: 10.3969/j.issn.1000-565X.2015.05.022

• Computer Science & Technology • Previous Articles

An Energy-Efficient Routing Algorithm Based on Context Awareness

Xu Fang^1,2 Zhang Hu-yin¹ Xu Ning¹ Wang Zhi-yong¹

1． School of Computer，Wuhan University，Wuhan 430072，Hubei，China;2． School of Computer and Information Science，Hubei Engineering University，Xiaogan 432000，Hubei，China

Received:2014-04-14 Revised:2015-01-11 Online:2015-05-25 Published:2015-05-07
Contact: 张沪寅(1962-)，男，博士，教授，博导生导师，主要从事网络 QoS、计算机网络研究． E-mail:zhy2536@whu.edu.cn
About author:徐方(1981-)，男，博士生，主要从事无线移动通信网络研究． E-mail: xf2012@ whu． edu． cn
Supported by:
Supported by the National Natural Science Foundation of China(61272454)，the Specialized Ｒesearch Fund for the Doctoral Program of Higher Education of China(20130141110022) and the Science Ｒesearch Fund of Hubei Provincial Educa-tion Office(Q20152703)

Abstract

Abstract: In order to cope with Ad hoc networks consisting of smart mobile communication devices that support rich media applications with Internet connectivity，a novel context-aware energy-efficient routing (CAER) algo-rithm is proposed． The algorithm introduces a context-aware self-learning solution to monitor context information in the operation process of devices，calculates energy utility imposed by various applications in nodes，and then syn-thetically utilizes the context information containing application-related energy utility，remaining energy and signal strength to make routing decisions in an adaptive way． By using this algorithm，energy is saved for mobile nodes with limited resources． Simulated results show that，in comparison with some routing protocols，CAER performs more effectively on the energy efficiency and lifetime of network，and reduces the delay overhead of network at the same time．

Key words: Ad hoc networks, context awareness, energy efficiency, routing algorithms, application software

Xu Fang Zhang Hu-yin Xu Ning Wang Zhi-yong. An Energy-Efficient Routing Algorithm Based on Context Awareness[J]. Journal of South China University of Technology (Natural Science Edition), 2015, 43(5): 139-144.

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An Energy-Efficient Routing Algorithm Based on Context Awareness

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