An Improved DY-Hop Localization Algorithm with Reduced Node Location Error for Wireless Sensor Networks

Hongyang CHEN; Kaoru SEZAKI; Ping DENG; Hing Cheung SO

doi:10.1093/ietfec/e91-a.8.2232

Regular Section

An Improved DY-Hop Localization Algorithm with Reduced Node Location Error for Wireless Sensor Networks

Hongyang CHEN, Kaoru SEZAKI, Ping DENG, Hing Cheung SO

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Keywords: DV-Hop, localization, wireless sensor networks

JOURNAL RESTRICTED ACCESS

2008 Volume E91.A Issue 8 Pages 2232-2236

DOI https://doi.org/10.1093/ietfec/e91-a.8.2232

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Abstract

In this paper, we propose a new localization algorithm and improve the DV-Hop algorithm by using a differential error correction scheme that is designed to reduce the location error accumulated over multiple hops. This scheme needs no additional hardware support and can be implemented in a distributed way. The proposed method can improve location accuracy without increasing communication traffic and computing complexity. Simulation results show the performance of the proposed algorithm is superior to that of the DV-Hop algorithm.

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