NDLI: Sensor Position Determination with Flying Anchors in Three-Dimensional Wireless Sensor Networks

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Sensor Position Determination with Flying Anchors in Three-Dimensional Wireless Sensor Networks

Content Provider	IEEE Xplore Digital Library
Author	Chia-Ho Ou Kuo-Feng Ssu
Copyright Year	2002
Abstract	This paper presents a range-free position determination (localization) mechanism for sensors in a three-dimensional wireless sensor network based on the use of flying anchors. In the scheme, each anchor is equipped with a Global Positioning System (GPS) receiver and broadcasts its location information as it flies through the sensing space. Each sensor node in the sensing area then estimates its own location by applying basic geometry principles to the location information it receives from the flying anchors. The scheme eliminates the requirement for specific positioning hardware, avoids the need for any interaction between the individual sensor nodes, and is independent of network densities and topologies. The performance of the localization scheme is evaluated in a series of simulations performed using ns-2 software and is compared to that of the Centroid and Constraint range-free mechanisms. The simulation results demonstrate that the localization scheme outperforms both Centroid and Constraint in terms of a higher location accuracy, a reduced localization time, and a lower beacon overhead. In addition, the localization scheme is implemented on the Tmote Sky for validating the feasibility in the real environment.
Sponsorship	IEEE Computer Society
Starting Page	1084
Ending Page	1097
Page Count	14
File Size	3315542
File Format	PDF
ISSN	15361233
Volume Number	7
Issue Number	9
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-09-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless sensor networks Global Positioning System Chemical sensors Temperature sensors Hardware Biomedical monitoring Image analysis Layout Broadcasting Information geometry geometry. localization range-free flying anchors mobile beacon
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications Electrical and Electronic Engineering Software

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