Abstract
Time is widely used in almost all the critical fields. Among the 16 key fields identified in the U.S. Department of Homeland Security’s presidential policy directive No. 21, 11 industries, including communications, mobile phones, power distribution, finance and information technology, rely on accurate timing and time synchronization technology. Therefore, timing system is very important for the national economy, society and security. This paper focuses on resilient timing and time synchronization of satellite navigation systems, and analyzes the failure timing events caused by satellite navigation systems and the external factors (such as jamming and spoofing). On the basis of introducing the latest development of resilient timing of satellite navigation system and the next generation of PNT system at home and abroad, the definition of resilient timing is preliminarily analyzed. Combined with the development of Chinese Beidou satellite navigation system and PNT, some useful suggestions on resilient timing and time synchronization are given.
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Acknowledgment
This paper is supported by the National Natural Science Foundation of China (Grant No 12073033) and the Youth Innovation Promotion Association of Chinese Academy of Sciences (Grant No 1188000XLX).
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Xu, L., Zhu, F., Li, X. (2021). Analysis and Suggestions on the Resilience of GNSS Timing. In: Yang, C., Xie, J. (eds) China Satellite Navigation Conference (CSNC 2021) Proceedings. Lecture Notes in Electrical Engineering, vol 773. Springer, Singapore. https://doi.org/10.1007/978-981-16-3142-9_63
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DOI: https://doi.org/10.1007/978-981-16-3142-9_63
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