An Improvement of DV-Hop Localization Algorithm Based on Cyclotomic Method in Wireless Sensor Networks

被引：13
作者：
Zhao, Qing [1 ]
Xu, Zhen [1 ]
Yang, Lei [1 ]
机构：
[1] Wuhan Polytech Univ, Sch Elect & Elect Engn, Wuhan 430023, Peoples R China
来源：
APPLIED SCIENCES-BASEL | 2023年 / 13卷 / 06期
关键词：
wireless sensor networks; DV-Hop; cyclotomic method; weighted recursive least squares; BAT ALGORITHM; OPTIMIZATION;
D O I：
10.3390/app13063597
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Location information is one of the crucial and essential elements for monitoring data in wireless sensor networks. The distance vector-hop (DV-Hop) localization algorithm is of practical importance in improving its localization performance. To achieve global optimization, a DV-Hop algorithm based on the cyclotomic method and weighted normalization, also known as CMWN-DV-Hop, is nominated in this paper. Therefore, the segmentation and weighting factors are introduced and normalized. The weighted recursive least-squares (WRLS) algorithm is chosen to compute the coordinates of the unknown nodes. The effects of various factors on this algorithm are tested, including the number of nodes, the anchor node ratio, and the communication radius. The simulation results show that the proposed algorithm has a super performance in reducing the localization error.
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页数：16
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