Research on the scale-free topology in energy-heterogeneous wireless sensor networks

被引：0

作者：

Liu, Zhouzhou ^{[1
,2
]}

Wang, Fubao ^{[1
]}

机构：

[1] School of Electronics and Information, Northwestern Polytechnical University, Xi'an

[2] Xi'an Aeronautical University, Xi'an

来源：

Journal of Computational Information Systems | 2015年 / 11卷 / 06期

基金：

中国国家自然科学基金;

关键词：

Energy Heterogeneous; Fault Tolerance; Scale-free; Wireless Sensor Network;

D O I：

10.12733/jcis13746

中图分类号：

学科分类号：

摘要：

Considering the large difference between the node lifetime and the energy imbalance in the energy heterogeneous wireless sensor networks, the node lifetime mathematical model is constructed in this paper. And then the node lifetime which is influenced by the initial energy of nodes, the communication flows and the communication distance is concluded. Then the node lifetime is constructed as the scale-free topology fitness factor, and the greater connection that the node which has longer lifetime is obtained. And then the energy-consumption scale-free topology in WSNs is acquired in the end. The node degree which obeys the power-law distribution is proved. The experimental results show that the model has the strong fault tolerance, and the energy consumption is effectively balanced and the network lifetime is prolonged. Copyright © 2015 Binary Information Press.

引用

页码：2105 / 2112

页数：7

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