Cooperative Nodes Localization for Three-Dimensional Underwater Wireless Sensor Network Based on Weighted Centroid Localization Algorithm

被引：0
|
作者：
张颖 [1 ]
梁纪兴 [1 ]
姜胜明 [1 ]
陈慰 [2 ]
机构：
[1] College of Information Engineering,Shanghai Maritime University
[2] Department of Computer Science ,Tennessee State University
来源：
JournalofDonghuaUniversity(EnglishEdition) | 2016年 / 33卷 / 03期
关键词：
underwater wireless sensor network(UWSN); weighted centroid localization(WCL); cooperative localization; range-free;
D O I：
10.19884/j.1672-5220.2016.03.022
中图分类号：
TP212.9 [传感器的应用]; TN929.3 [水下通信（声纳通信）];
学科分类号：
080202 ; 082403 ;
摘要：
The underwater wireless sensor network(UWSN) has the features of mobility by drifting,less beacon nodes,longer time for localization and more energy consumption than the terrestrial sensor networks,which makes it more difficult to locate the nodes in marine environment.Aiming at the characteristics of UWSN,a kind of cooperative range-free localization method based on weighted centroid localization(WCL) algorithm for three-dimensional UWSN is proposed.The algorithm assigns the cooperative weights for the beacon nodes according to the received acoustic signal strength,and uses the located unknown nodes as the new beacon nodes to locate the other unknown nodes,so a fast localization can be achieved for the whole sensor networks.Simulation results indicate this method has higher localization accuracy than the centroid localization algorithm,and it needs less beacon nodes and achieves higher rate of effective localization.
引用
收藏
页码：473 / 477
页数：5
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