A Kalman-filter-based wireless clock synchronization method in indoor localization
Bo,You; Xueen,Li; Wei,Liu
2016-05
Conference NameThe 8th International Conference on Digital Image Processing
Source PublicationProceedings of SPIE
Conference DateMay 20,2016-May 22,2016
Conference PlaceChengdu
Abstract

In low-power and high-density real time locating systems, time difference of arrival (TDOA) technique outperforms other ranging techniques. The realization of TDOA-based high resolution indoor localization directly depends on the performance of clock synchronization. In this paper, we introduce a clock synchronization method based on the Kalman filter. The updated clock skew from the Kalman filter is incorporated into the calibration of the difference of arrival time to achieve highly accurate localization of moving targets. Experiments show that our method provides a nanosecond level synchronization resolution and has good robustness to clock synchronization period and non-line-of-sight error, which is quite suitable for indoor localization scenario.

KeywordWireless Clock Synchronization Tdoa-based Localization Kalman Filter Non-line-of-sight
Indexed ByEI
Document Type会议论文
Identifierhttp://ir.ia.ac.cn/handle/173211/11544
Collection智能制造技术与系统研究中心_无线传感网络与智能感知团队
Corresponding AuthorBo,You
AffiliationInstitute of Automation, Chinese Academy of Sciences
First Author AffilicationInstitute of Automation, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Automation, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Bo,You,Xueen,Li,Wei,Liu. A Kalman-filter-based wireless clock synchronization method in indoor localization[C],2016.
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