NDLI: An Effective PSO-Based Node Localization Scheme for Wireless Sensor Networks

Content Provider	IEEE Xplore Digital Library
Author	Po-Jen Chuang Cheng-Pei Wu
Copyright Year	2008
Description	Author affiliation: Dept. of Electr. Eng., Tamkang Univ., Taipei (Po-Jen Chuang; Cheng-Pei Wu)
Abstract	Wireless sensor networks (WSNs) usually employ different ranging techniques to measure the distance between an unknown node and its neighboring anchor nodes, and based on the measured distance to estimate the position of the unknown node. This paper presents an effective Particle Swarm Optimization (PSO)-based Localization Scheme using the Radio Signal Strength (RSS) ranging technique. Modified from the iterative multilateration algorithm, our scheme is unique in adopting the location data of remote anchors provided by the closest neighbor anchors of an unknown node to estimate the unknown nodepsilas position and using the PSO algorithm to further reduce error accumulation. The new scheme meanwhile takes in a modified DV-distance approach to raise the success ratios of locating unknown nodes. Compared with related schemes, our scheme is shown through simulations to perform constantly better in increasing localization success ratios and decreasing location errors -- at reduced cost.
Starting Page	187
Ending Page	194
File Size	447529
Page Count	8
File Format	PDF
ISBN	9780769534435
DOI	10.1109/PDCAT.2008.73
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-12-01
Publisher Place	New Zealand
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless sensor networks Position measurement Iterative algorithms Costs Hardware Electric variables measurement Particle swarm optimization Time measurement Distributed computing Electronic mail location errors. Wireless sensor networks (WSNs) node localization schemes Particle Swarm Optimization (PSO) ranging techniques Radio Signal Strength (RSS) anchor nodes simulations and performance evaluation localization success ratios
Content Type	Text
Resource Type	Article

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