Localization for anchor-free underwater sensor networks

被引：45

作者：

Guo, Ying ^{[1
]}

Liu, Yutao ^{[2
]}

机构：

[1] Qing Dao Univ Sci & Technol, Qingdao, Peoples R China

[2] Qing Dao Yawei Software Co Ltd, Qingdao, Peoples R China

来源：

COMPUTERS & ELECTRICAL ENGINEERING | 2013年 / 39卷 / 06期

基金：

中国国家自然科学基金;

关键词：

Autonomous underwater vehicles - Global positioning system;

D O I：

10.1016/j.compeleceng.2013.02.001

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

For Underwater Wireless Sensor Networks (UWSN), identifying the location of each sensor node is an important issue, which is also a challenging task. Most of the existing localization schemes assume that the network has a plurality of anchor nodes to assist positioning. Usually, they make use of Autonomous Underwater Vehicle (AUV) or node with special equipment as anchor node, because Global Positioning System (GPS) is invalid in underwater environment. High cost and poor flexibility make them not well suitable for UWSN. In order to overcome this disadvantage, we propose an Anchor-Free Localization Algorithm, called AFLA. It is designed for active-restricted underwater sensor networks. AFLA does not need anchor node's information, and makes use of the relationship of adjacent nodes. It could be used in both static and dynamic networks. The obtained simulation results indicate that AFLA is an effective localization scheme for UWSN. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：1812 / 1821

页数：10

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