NAOC Open IR
Design of BDS-3 integrity monitoring and preliminary analysis of its performance
Cao, Yueling1,2; Chen, Jinping3; Hu, Xiaogong1,2; He, Feng4; Bian, Lang5; Wang, Wei6; Wu, Bin1,2; Yu, Yang1,2; Wang, Jingyuan7; Tian, Qiuning1,2
2020-02-15
Source PublicationADVANCES IN SPACE RESEARCH
ISSN0273-1177
Volume65Issue:4Pages:1125-1138
AbstractWith the improvement in the service accuracy and expansion of the application scope of satellite navigation systems, users now have high demands for system integrity that are directly related to navigation safety. As a crucial index to measure the reliability of satellite navigation systems, integrity is the ability of the system to send an alarm when an abnormity occurs. The new-generation Beidou Navigation Satellite System (BDS-3) prioritized the upgrading of system integrity as an important objective in system construction. Because the system provides both basic navigation and satellite-based augmentation system (SBAS) services by the operational control system, BDS-3 adopts an integrated integrity monitoring and processing strategy that applies satellite autonomous integrity monitoring and ground-based integrity monitoring for both the basic navigation service and SBAS navigation service. BDS-3 also uses an improved and refined integrity parameter system to provide slow, fast and real-time integrity parameters for basic navigation, and provide SBAS-provided integrity information messages in accordance with Radio Technical Commission for Aeronautics (RTCA) specification and dual frequency, multi-constellation (DFMC) specification to support the SBAS signal frequency, single constellation operation and DFMC operation respectively. The performance of BDS-3 system integrity monitoring is preliminarily verified during on-orbit testing in different states, including normal operation, satellite clock failure and satellite ephemeris failure. The results show that satellite autonomous integrity monitoring, ground-based integrity monitoring and satellite-based augmentation all correctly work within the system. Satellite autonomous integrity monitoring can detect satellite clock failure but not satellite orbit failure. However, ground-based integrity monitoring can detect both. Moreover, the satellite-based augmentation integrity system monitors the differential range error after satellite ephemeris and clock error corrections based on user requirements. Compared to the near minute-level time-to-alert capability of ground-based integrity monitoring, satellite autonomous integrity monitoring reduces the system alert time to less than 4 s. With a combined satellite-ground monitoring strategy and the implementation of different monitoring technologies, the BDS-3 integrity of service has been considerably improved. (C) 2019 COSPAR. Published by Elsevier Ltd. All rights reserved.
KeywordBDS-3 Satellite autonomous integrity monitoring Ground-based integrity monitoring SBAS integrity monitoring Onboard validation
Funding OrganizationNational Key Research Program of China ; National Key Research Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Shanghai Key Laboratory of Space Navigation and Position Techniques ; Shanghai Key Laboratory of Space Navigation and Position Techniques ; National Key Research Program of China ; National Key Research Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Shanghai Key Laboratory of Space Navigation and Position Techniques ; Shanghai Key Laboratory of Space Navigation and Position Techniques ; National Key Research Program of China ; National Key Research Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Shanghai Key Laboratory of Space Navigation and Position Techniques ; Shanghai Key Laboratory of Space Navigation and Position Techniques ; National Key Research Program of China ; National Key Research Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Shanghai Key Laboratory of Space Navigation and Position Techniques ; Shanghai Key Laboratory of Space Navigation and Position Techniques
DOI10.1016/j.asr.2019.11.002
WOS KeywordORBIT DETERMINATION ; SATELLITES ; ACCURACY ; SYSTEM
Language英语
Funding ProjectNational Key Research Program of China[2016YFB0501900] ; National Natural Science Foundation of China[41674041] ; National Natural Science Foundation of China[11203059] ; Shanghai Key Laboratory of Space Navigation and Position Techniques[12DZ2273300]
Funding OrganizationNational Key Research Program of China ; National Key Research Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Shanghai Key Laboratory of Space Navigation and Position Techniques ; Shanghai Key Laboratory of Space Navigation and Position Techniques ; National Key Research Program of China ; National Key Research Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Shanghai Key Laboratory of Space Navigation and Position Techniques ; Shanghai Key Laboratory of Space Navigation and Position Techniques ; National Key Research Program of China ; National Key Research Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Shanghai Key Laboratory of Space Navigation and Position Techniques ; Shanghai Key Laboratory of Space Navigation and Position Techniques ; National Key Research Program of China ; National Key Research Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Shanghai Key Laboratory of Space Navigation and Position Techniques ; Shanghai Key Laboratory of Space Navigation and Position Techniques
WOS Research AreaEngineering ; Astronomy & Astrophysics ; Geology ; Meteorology & Atmospheric Sciences
WOS SubjectEngineering, Aerospace ; Astronomy & Astrophysics ; Geosciences, Multidisciplinary ; Meteorology & Atmospheric Sciences
WOS IDWOS:000515210700002
PublisherELSEVIER SCI LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/54325
Collection中国科学院国家天文台
Corresponding AuthorChen, Jinping
Affiliation1.Chinese Acad Sci, Shanghai Astron Observ, Shanghai 200030, Peoples R China
2.Shanghai Key Lab Space Nav & Posit Tech, Shanghai 200030, Peoples R China
3.Beijing Satellite Nav Ctr, Beijing 100094, Peoples R China
4.Natl Def Univ, Beijing 100091, Peoples R China
5.China Acad Space Technol Xian, Xian 710100, Peoples R China
6.Beijing Inst Tracking & Telecommun Technol Beijin, Beijing 100094, Peoples R China
7.Harbin Univ Sci & Technol, Rongcheng Campus, Rongcheng 264300, Peoples R China
Recommended Citation
GB/T 7714
Cao, Yueling,Chen, Jinping,Hu, Xiaogong,et al. Design of BDS-3 integrity monitoring and preliminary analysis of its performance[J]. ADVANCES IN SPACE RESEARCH,2020,65(4):1125-1138.
APA Cao, Yueling.,Chen, Jinping.,Hu, Xiaogong.,He, Feng.,Bian, Lang.,...&Tian, Qiuning.(2020).Design of BDS-3 integrity monitoring and preliminary analysis of its performance.ADVANCES IN SPACE RESEARCH,65(4),1125-1138.
MLA Cao, Yueling,et al."Design of BDS-3 integrity monitoring and preliminary analysis of its performance".ADVANCES IN SPACE RESEARCH 65.4(2020):1125-1138.
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