Technology of Network & Communication
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3446-3450,3455

Localization algorithm by using signal phase searching method for wireless sensor network

Jiang Ruia,b
Xu Jiaxuana,b
Xu Youyunb
a. College of Telecommunications & Information Engineering, b. National Engineering Research Center of Communications & Networking, Nanjing University of Posts & Telecommunications, Nanjing 210003, China

Abstract

Node self-localization is one of the hot research topics in WSN. Accor-ding to the relationship between signal phase and physical distance, this paper proposed a localization algorithm by using signal phase searching method for WSN. Accor-ding to the received signal phase between the anchor nodes and the unknown node, this algorithm set up an objective function based on cosine similarity, and transformed self-localization of an unknown node in WSN into that of searching the optimal solution of an objective function. Then, it determined the initial search pixel by centroid localization. To reduce the complexity, this paper used gradient descent method to avoid the time consuming procedure of pixel-by-pixel search method. At the end, it investigated the performance by using simulated data.

Foundation Support

国家重点研发计划资助项目(2016YFE0200200)
国家自然科学基金资助项目(61601243,61701253,61801240)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2019.08.0309
Publish at: Application Research of Computers Printed Article, Vol. 37, 2020 No. 11
Section: Technology of Network & Communication
Pages: 3446-3450,3455
Serial Number: 1001-3695(2020)11-050-3446-05

Publish History

[2020-11-05] Printed Article

Cite This Article

蒋锐, 徐加轩, 徐友云. 基于信号相位搜索的WSN节点定位算法 [J]. 计算机应用研究, 2020, 37 (11): 3446-3450,3455. (Jiang Rui, Xu Jiaxuan, Xu Youyun. Localization algorithm by using signal phase searching method for wireless sensor network [J]. Application Research of Computers, 2020, 37 (11): 3446-3450,3455. )

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  • Application Research of Computers Monthly Journal
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Application Research of Computers, founded in 1984, is an academic journal of computing technology sponsored by Sichuan Institute of Computer Sciences under the Science and Technology Department of Sichuan Province.

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