Improved DV-Hop Algorithm for Enhancing Localization Accuracy in WSN

Da Peng Man; Guo Dong Qin; Wu Yang; Wei Wang; Shi Chang Xuan

doi:10.4028/www.scientific.net/AMM.543-547.3256

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 543-547Improved DV-Hop Algorithm for Enhancing...

Improved DV-Hop Algorithm for Enhancing Localization Accuracy in WSN

Abstract:

Node Localization technology is one of key technologies in wireless sensor network. DV-Hop localization algorithm is a kind of range-free algorithm. In this paper, an improved DV-Hop algorithm aiming to enhance localization accuracy is proposed. To enhance localization accuracy, average per-hop distance is replaced by corrected value of global average per-hop distance and global average per-hop error. When calculating hop distance, unknown nodes use corresponding average per-hop distance expression according to different hop value. Comparison with DV-Hop algorithm, simulation results show that the improved DV-Hop algorithm can reduce the localization error and enhance the accuracy of sensor nodes localization more effectively.

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Periodical:

Applied Mechanics and Materials (Volumes 543-547)

Pages:

3256-3259

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.543-547.3256

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Online since:

March 2014

Authors:

Da Peng Man*, Guo Dong Qin, Wu Yang, Wei Wang, Shi Chang Xuan

Keywords:

Improved DV-Hop, Localization, Range-Free, Wireless Sensor Network (WSN)

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* - Corresponding Author

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