The evaluation of BeiDou time transfer performance

2016 IEEE International Frequency Control Symposium (IFCS) Pub Date : 2016-05-09 DOI:10.1109/FCS.2016.7546830

Wei Guang, Haibo Yuan, S. Dong, Shuhong Zhao, Jihai Zhang, Yajing Wei

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引用次数: 3

Abstract

The BeiDou regional navigation system has been continuously running for about three years since it starts providing PVT service in December 2012. During this period, it provides more stable positioning and timing service to lots of users in Asia-pacific region. In this paper, the current time transfer performance of BeiDou is tested and analyzed, the performance of its time transfer service which is relative to GPS and other mature satellite navigation system is evaluated. The time transfer technology performance of BDS, such as one-way timing, common view, and precision point positioning time transfer is analyzed and compared with GPS. The experiment of short distance (30km) and long distance (1000km above) time transfer is carried out to evaluate the performance between GPS and BDS. At end of paper, the results of short distance time transfer on GPS and BDS is compared and verified with GPS PPP time transfer. The results of the time transfer performance of the Beidou are in good agreement with GPS time transfer technology, and the relative accuracy is reached sub nanoseconds.

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北斗时间传输性能评价

北斗区域导航系统自2012年12月开始提供PVT服务以来，已经连续运行了大约三年。在此期间，为亚太地区的众多用户提供了更加稳定的定位授时服务。本文对目前北斗系统的时间传递性能进行了测试和分析，并对其相对于GPS等成熟卫星导航系统的时间传递服务性能进行了评价。分析了北斗系统的单向授时、共视授时、精确点定位授时等技术性能，并与GPS进行了比较。进行了近距离(30公里)和远距离(1000公里以上)时间传递试验，对GPS与BDS之间的性能进行了评估。最后，将GPS和BDS的短距离时间传输结果与GPS PPP时间传输结果进行了比较和验证。北斗系统的时间传输性能与GPS时间传输技术基本一致，相对精度达到亚纳秒级。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2016 IEEE International Frequency Control Symposium (IFCS)

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