Improving Localization Accuracy in Wireless Sensor Networks using Location Verification Feedback

The ability of a node to determine its location is an important task in wireless sensor networks as users are usually interested in knowing where the measurements are taken. In this paper, we study the use of location verification as a feedback mechanism to improve the localization accuracy. We firs...

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Main Authors: Al-Abri, Dawood, McNair, Janise
Format: Conference Proceeding
Language:English
Subjects:
Algorithm design and analysis
Analytical models
Chemical sensors
Electric variables measurement
Feedback
Gain measurement
Intelligent networks
Monitoring
Terminology
Wireless sensor networks
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McNair, Janise
description The ability of a node to determine its location is an important task in wireless sensor networks as users are usually interested in knowing where the measurements are taken. In this paper, we study the use of location verification as a feedback mechanism to improve the localization accuracy. We first describe the general approach used. Then, we describe several algorithms to improve the accuracy of localization schemes for various practical situations. We consider algorithms for networks where nodes can obtain several independent location estimates and networks where the node can only obtain a single location estimate. We analyze these algorithms analytically and through simulation; and show that a significant improvement in localization accuracy can be accomplished in few iterations of executing these location verification-based feedback improvement schemes.
doi_str_mv 10.1109/MILCOM.2007.4454844
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects Algorithm design and analysis
Analytical models
Chemical sensors
Electric variables measurement
Feedback
Gain measurement
Intelligent networks
Monitoring
Terminology
Wireless sensor networks
title Improving Localization Accuracy in Wireless Sensor Networks using Location Verification Feedback
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