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An Improved Algorithm Based on Dv-Hop Localization for Wireless Sensor Network

  • Su Bing
  • Xue Wei Jie
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 220)

Abstract

DV-Hop is a typical range-free node localization algorithm in Wireless Sensor Networks (WSN); the localization cost and the hardware requirements are not high and localization accuracy of nodes is still low under certain circumstances. Based on the main reasons of the error of DV-Hop algorithm, an improved algorithm is proposed which is based on the average hop distance correction. The algorithm uses error correction value \( \delta \) to modify the average hop distance, to reduce the deviation between the average hop distance and the true average hop distance. Simulation results show that, the improved algorithm has to more effectively reduce the average localization error of unknown nodes, and to improve the localization accuracy, and not require additional hardware.

Keywords

Wireless sensor networks (WSN) Node localization Distance vector-hop (DV-Hop) Average hop distance Error correction 

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Copyright information

© Springer-Verlag London 2013

Authors and Affiliations

  1. 1.Institute of Information Science and EngineeringChangzhou UniversityJiangsuChina
  2. 2.Key Laboratory of Process Perception and Internet Technology of ChangzhouChangzhou UniversityJiangsuChina

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