NDLI: Iterative method for signal path delay difference estimation of two-way satellite time and frequency transfer

Content Provider	IEEE Xplore Digital Library
Author	Wenke Yang Jianwei Zhan Hang Gong Xiangwei Zhu Guangfu Sun
Copyright Year	2013
Description	Author affiliation: Coll. of Electron. Sci. & Eng., Nat. Univ. of Defense Technol., Changsha, China (Wenke Yang; Jianwei Zhan; Hang Gong; Xiangwei Zhu; Guangfu Sun)
Abstract	The signal path delay difference due to satellite motion relative to the ground stations adds non-reciprocity to Two-way Satellite Time and Frequency Transfer (TWSTFT). For the availability of broadcast ephemeris for the geostationary satellite for TWSTFT in BeiDou navigation system, an iterative method for signal path delay difference estimation due to the satellite motion is proposed, which is compared with the ranging method. The one day TWSTFT experiment data with BeiDou GEO satellite at 140°E experiment between Beijing and Sanya has been analyzed, which show that the signal path delay difference is less than 0.14ns and the difference of the results using these two methods is less than 0.11ps. This implies that there is no need to conduct ranging when the broadcast ephemeris is available for the estimation signal path delay difference.
Sponsorship	IEEE Ultrason., Ferroelectr., Freq. Control Soc.
Starting Page	809
Ending Page	810
File Size	512185
Page Count	2
File Format	PDF
DOI	10.1109/EFTF-IFC.2013.6702290
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-07-21
Publisher Place	Czech Republic
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Time-frequency analysis Satellites Satellite broadcasting Satellite navigation systems Iterative method Ranging Distance measurement TWSTFT Signal path delay difference Delays Broadcast emphmeris Iterative methods
Content Type	Text
Resource Type	Article

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