Abstract
The DV-hop localization algorithm does not depend on any measurement hardware, which only uses hop-counts to describe the Euclidean distance between nodes, it will not generate any additional burden, and thus this lightweight localization algorithm is economical and effective. Unfortunately, nodes generally have irregular distribution in reality, which tends to make deviations during the conversion between hop-counts and Euclidean distance, and as a result, the final estimated locations of nodes tend to deviate from the right location. Therefore, we analyzed the error during the hop-counts and Euclidean distance conversion, derived that the variance of error is related to hop-counts, and used the weighted least square method to correct the deviation. On this basis, we also limit the estimation location range of normal nodes according to the distances relationship between the estimated distances of normal nodes to anchor nodes and the distances of normal nodes estimated location to anchor nodes. Both the theoretical analysis and experimental results show that the proposed algorithm has not only maintained the economic characteristics of DV-hop localization, but also has the high localization accuracy and it can be adapted to various networks with different deployment of nodes.
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Acknowledgments
Xiaoyong Yan is indebted to the overseas training program for outstanding young teachers in Jiangsu for its financial support as a visiting scholar at The Hong Kong Polytechnic University, Hong Kong. National Engineering Laboratory for Logistics Information Technology, YuanTong Express co. LTD. This work was partially supported by the NSFC (61672299), the China and Jiangsu Postdoctoral Science Foundation (2016M601861 and 1701049A), the Natural Science Foundation of Jiangsu Higher Education Institutions (16KJB520033) and the NUPTSF (NY218144).
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Yan, X., Feng, X., Sun, Z. (2019). Accurate and Fast DV-Hop Localization Algorithm in Irregular Networks. In: Sun, X., Pan, Z., Bertino, E. (eds) Artificial Intelligence and Security. ICAIS 2019. Lecture Notes in Computer Science(), vol 11634. Springer, Cham. https://doi.org/10.1007/978-3-030-24271-8_30
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DOI: https://doi.org/10.1007/978-3-030-24271-8_30
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