A Weighted and Distributed Algorithm for Range-Based Multi-Hop Localization Using a Newton Method
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Department of Electrical and Computer Engineering, Universidad Autónoma de Ciudad Juárez (UACJ), Ciudad Juárez 32310, Mexico
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Department of Physics and Mathematics, Universidad Autónoma de Ciudad Juárez (UACJ), Ciudad Juárez 32310, Mexico
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Author to whom correspondence should be addressed.
Academic Editors: Mohamed Mosbah, Imen Jemili and Mohamed Tounsi
Sensors 2021, 21(7), 2324; https://doi.org/10.3390/s21072324
Received: 20 February 2021
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Revised: 17 March 2021
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Accepted: 23 March 2021
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Published: 26 March 2021
(This article belongs to the Special Issue Distributed Algorithms for Wireless Sensor Networks)
Wireless sensor networks are used in many location-dependent applications. The location of sensor nodes is commonly carried out in a distributed way for energy saving and network robustness, where the handling of these characteristics is still a great challenge. It is very desirable that distributed algorithms invest as few iterations as possible with the highest accuracy on position estimates. This research proposes a range-based and robust localization method, derived from the Newton scheme, that can be applied over isotropic and anisotropic networks in presence of outliers in the pair-wise distance measurements. The algorithm minimizes the error of position estimates using a hop-weighted function and a scaling factor that allows a significant improvement on position estimates in only few iterations. Simulations demonstrate that our proposed algorithm outperforms other similar algorithms under anisotropic networks.
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MDPI and ACS Style
Diaz-Roman, J.; Mederos, B.; Sifuentes, E.; Gonzalez-Landaeta, R.; Cota-Ruiz, J. A Weighted and Distributed Algorithm for Range-Based Multi-Hop Localization Using a Newton Method. Sensors 2021, 21, 2324. https://doi.org/10.3390/s21072324
AMA Style
Diaz-Roman J, Mederos B, Sifuentes E, Gonzalez-Landaeta R, Cota-Ruiz J. A Weighted and Distributed Algorithm for Range-Based Multi-Hop Localization Using a Newton Method. Sensors. 2021; 21(7):2324. https://doi.org/10.3390/s21072324
Chicago/Turabian StyleDiaz-Roman, Jose, Boris Mederos, Ernesto Sifuentes, Rafael Gonzalez-Landaeta, and Juan Cota-Ruiz. 2021. "A Weighted and Distributed Algorithm for Range-Based Multi-Hop Localization Using a Newton Method" Sensors 21, no. 7: 2324. https://doi.org/10.3390/s21072324
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