RNSS timing is one of the basic services of BDS, it is of great significance to monitor the timing accuracy and integrity. Aiming at the problems of current RNSS timing monitoring methods and taking advantage of BDS-3 PPP service, this paper designs a timing monitoring method based on B2b signal called B2b-TM. Firstly, the BDS-3 PPP service was introduced. Then, the specific implementation process and key algorithm of B2b-TM method was discussed in detail. The data of several iGMAS stations were used to verify the feasibility of B2b-TM method, experiment result shows that the BDS-3 RNSS timing accuracy is 9.0 ns using B1C frequency and 15.8 ns using B2a frequency. There are great differences in timing service at different areas and different periods, which reveals the necessity of distributed timing monitoring nationwide.
The BDS-3 RNSS Timing Monitoring Method Based on B2b Signal and Its Experimental Result
Lect. Notes Electrical Eng.
China Satellite Navigation Conference (CSNC 2022) Proceedings ; Chapter : 34 ; 383-392
2022-05-05
10 pages
Article/Chapter (Book)
Electronic Resource
English
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