A Node Localization Algorithm for Irregular Radio Propagation Pattern

GE Wengeng; CHEN Ping

doi:10.15892/j.cnki.djzdxb.2021.02.004

Journal of Projectiles, Rockets, Missiles and Guidance >

2021 , Vol. 41 >Issue 2: 15 - 19

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2021.02.004

A Node Localization Algorithm for Irregular Radio Propagation Pattern

GE Wengeng ,
CHEN Ping

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College of Information Engineering,Huanghuai University,Henan Zhumadian 463000,China

Received date: 2020-05-31

Online published: 2025-02-25

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Abstract

Due to real-world phenomena such as fading, shadowing and interference, nodes in wireless sensor networks have an irregular radio propagation pattern (RPP). However, traditional localization algorithms rely on the assumption that nodes have a circular RPP. Therefore, artificial neural networks-based weighted centroid localization (ANNs-WCL) in the presence of irregular radio propagation pattern is proposed in this paper. In ANNs-WCL algorithm, it develops a new distance estimation approach able to efficiently derive distances’estimates in closed form. Then, exploiting ANNs, we also develop distance estimation correction. Finally, the unknown node coordinates is calculated by weighted centroid localization. Simulation results show that of ANNs-WCL algorithm outperform than centroid localization algorithm in root mean square error.

Key words： wireless sensor network; range-free localization; radio propagation pattern; artificial neural networks; centroid localization

Cite this article

GE Wengeng , CHEN Ping . A Node Localization Algorithm for Irregular Radio Propagation Pattern[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2021 , 41(2) : 15 -19 . DOI: 10.15892/j.cnki.djzdxb.2021.02.004

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