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An Improved Localization Algorithm Based on DV-Hop

  • Liquan ZhaoEmail author
  • Kexin Zhang
  • Yanfei Jia
Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 1084)

Abstract

In wireless sensor network’s localization, the distances vector per hop algorithm is typical localization, to improve the location error, an improved localization algorithm is proposed based on the distances vector per hop algorithm. Firstly, we set the different communication distances for different nodes. Each communication distance corresponds to one hop. Secondly, if the hop count is less than one, the average hop distance of the nearest anchor node is used as the hop distance of unknown node. On the contrary, the weighted average hop distance sum of the nearest four anchor nodes is used as the hop distance of unknown node. In the simulations, we compare the proposed algorithm with distances vector per hop algorithm and weighted-based distances vector per hop algorithm. The simulation results of matlab showed that the proposed method has smaller error for unknown node’s localization than the other algorithm.

Keywords

Wireless sensor networks Localization error Distances vector per hop algorithm Hop count 

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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  1. 1.Key Laboratory of Modern Power System Simulation and Control & Renewable Energy TechnologyMinistry of Education (Northeast Electric Power University)JilinChina
  2. 2.College of Electrical and Information EngineeringBeihua UniversityJilinChina

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