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Simulation Tools and Techniques. 12th EAI International Conference, SIMUtools 2020, Guiyang, China, August 28-29, 2020, Proceedings, Part I

Research Article

GTRS Based Joint Time Synchronization and Localization in Wireless Sensor Networks

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  • @INPROCEEDINGS{10.1007/978-3-030-72792-5_61,
        author={Wei Liu and Qiqi Zhang and Zhiqiang Dun},
        title={GTRS Based Joint Time Synchronization and Localization in Wireless Sensor Networks},
        proceedings={Simulation Tools and Techniques. 12th EAI International Conference, SIMUtools 2020, Guiyang, China, August 28-29, 2020, Proceedings, Part I},
        proceedings_a={SIMUTOOLS},
        year={2021},
        month={4},
        keywords={Optimal solution Joint time synchronization and localization Generalized trust region sub-problems (GTRS)},
        doi={10.1007/978-3-030-72792-5_61}
    }
    
  • Wei Liu
    Qiqi Zhang
    Zhiqiang Dun
    Year: 2021
    GTRS Based Joint Time Synchronization and Localization in Wireless Sensor Networks
    SIMUTOOLS
    Springer
    DOI: 10.1007/978-3-030-72792-5_61
Wei Liu1, Qiqi Zhang1, Zhiqiang Dun1,*
  • 1: State Key Labs of ISN, Xidian University, Xi’an
*Contact email: Zhiqiangdun@stu.xidian.edu.cn

Abstract

In this paper, we investigate the joint time synchronization and localization in wireless sensor networks. Specially, based on time-of-arrival (TOA), we consider a squared-range-based least squares formulation problem and propose a generalized trust region subproblem (GTRS) algorithm based joint time synchronization and localization, which can guarantee an optimal solution to the joint time synchronization and localization problem. Sufficient experiments results show that the estimation accuracy of the proposed algorithm outperforms the traditionalunconstraint linear least squares (ULLS) and nearly coincides with the Cramer-Rao lower bound (CRLB).

Keywords
Optimal solution Joint time synchronization and localization Generalized trust region sub-problems (GTRS)
Published
2021-04-27
Appears in
SpringerLink
http://dx.doi.org/10.1007/978-3-030-72792-5_61
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