Localization Using Ray Tracing for Underwater Acoustic Sensor Networks

被引：67

作者：

Ameer, P. M. ^{[1
]}

Jacob, Lillykutty ^{[1
]}

机构：

[1] Natl Inst Technol Calicut, Dept Elect & Commun, Calicut, Kerala, India

来源：

IEEE COMMUNICATIONS LETTERS | 2010年 / 14卷 / 10期

关键词：

Localization; underwater acoustic sensor networks; ray tracing; sound speed profile;

D O I：

10.1109/LCOMM.2010.090810.101237

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

Localization is an indispensable part for most Underwater Wireless Sensor Networks (UWSNs). In these networks, acoustic ranging signals are typically used. Because of the depth dependent sound speed, ray bends in water. This presents a unique problem making conventional localization algorithms assuming straight line distances between target and anchor nodes inaccurate. In this work, authors present a scheme that takes in to account bending of path, to provide an accurate location estimate in UWSNs. The approach makes use of standard ray equations to model the path followed by rays of sound in water. The results of the preliminary study using this scheme are also reported.

引用

页码：930 / 932

页数：3

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