文章基本信息

标题：An Improved DV-Hop Localization Algorithm Based on Hop Distance and Hops Correction
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作者：Xiaoying Yang ; Wanli Zhang
期刊名称：International Journal of Multimedia and Ubiquitous Engineering
印刷版ISSN：1975-0080
出版年度：2016
卷号：11
期号：6
页码：319-328
DOI：10.14257/ijmue.2016.11.6.28
出版社：SERSC
摘要：In order to solve the problem that the DV-Hop algorithm has large error in the network topology environment of random distribution of nodes, this paper proposes a WSN localization algorithm based on hop distance correction. The algorithm uses the method of multi communication radius to correct the hop number within 1 hops, which makes it more consistent with the real situation; Then, the weighted factor is obtained by error of the average distance per hop of anchor node; Finally, the total least squares method is used to calculate the coordinates of the unknown nodes to improve the positioning accuracy of DV-Hop positioning algorithm. The simulation results show that the improved algorithm has a better accuracy and stability than the original DV-Hop algorithm.
关键词：WSN; DV-Hop algorithm; hops; average distance per hop; total least ; square method