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Beidou wide-area augmentation system clock error correction and performance verification
Liu, Jiu-Long1,2; Cao, Yue-Ling1,3; Hu, Xiao-Gong1,3; Tang, Cheng-Pan1,3
2020-05-15
Source PublicationADVANCES IN SPACE RESEARCH
ISSN0273-1177
Volume65Issue:10Pages:2348-2359
AbstractOn December 27, 2018, the Beidou-3 System (BDS-3) has completed the deployment of 18 Medium Earth Orbit (MEO) satellites combined as a space constellation. In addition to the augmentation information for the new system signals B1C and B2a, the BDS-3 is compatible with the three augmentation information broadcast by the BDS-2 system for B1I and B3I signals: equivalent clock error correction, User Differential Ranging Error (UDRE) and Grid Ionosphere Vertical Error (GIVE). In this paper, the observation data of Beidou monitoring network are used to analyze the pseudo-range observation quality of the smooth transition signals B1I and B3I of BDS-2 and BDS-3. At the same time, the relationship between the equivalent clock error correction and the prediction error of the satellite clock is analyzed by using the Two-Way Satellite Time and Frequency Transfer (TWSTFT) data. The results show that the correlation between the equivalent clock error correction and the monitored clock error by using the TWSTFT data is greater than 60%. We calculate the UDRE by using the equivalent clock error correction. The results show that the satellite equivalent clock error correction can improve the accuracy of User Equivalent Range Error (UERE) by about 50%. This paper also compares the positioning accuracy of the BDS-2 satellites with the BDS-2 satellites combined BDS-3 satellites. The results show that the three-dimensional positioning accuracy is improved by about 30% after the BDS-3 satellites are added. (C) 2020 COSPAR. Published by Elsevier Ltd. All rights reserved.
KeywordBDS-3 BDS-2 Equivalent clock error correction UDRE SBAS The satellite clock error
Funding OrganizationNational key Research Program of China ; National key Research Program of China ; National key Research Program of China ; National key Research Program of China ; National key Research Program of China ; National key Research Program of China ; National key Research Program of China ; National key Research Program of China
DOI10.1016/j.asr.2020.02.010
WOS KeywordACCURACY
Language英语
Funding ProjectNational key Research Program of China[2016YFB0501900]
Funding OrganizationNational key Research Program of China ; National key Research Program of China ; National key Research Program of China ; National key Research Program of China ; National key Research Program of China ; National key Research Program of China ; National key Research Program of China ; National key Research Program of China
WOS Research AreaEngineering ; Astronomy & Astrophysics ; Geology ; Meteorology & Atmospheric Sciences
WOS SubjectEngineering, Aerospace ; Astronomy & Astrophysics ; Geosciences, Multidisciplinary ; Meteorology & Atmospheric Sciences
WOS IDWOS:000533505500009
PublisherELSEVIER SCI LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/54922
Collection中国科学院国家天文台
Corresponding AuthorLiu, Jiu-Long; Cao, Yue-Ling
Affiliation1.Chinese Acad Sci, Shanghai Astron Observ, NanDan Rd 80, Shanghai 200030, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Shanghai Key Lab Space Nav & Posit Tech, Shanghai 200030, Peoples R China
Recommended Citation
GB/T 7714
Liu, Jiu-Long,Cao, Yue-Ling,Hu, Xiao-Gong,et al. Beidou wide-area augmentation system clock error correction and performance verification[J]. ADVANCES IN SPACE RESEARCH,2020,65(10):2348-2359.
APA Liu, Jiu-Long,Cao, Yue-Ling,Hu, Xiao-Gong,&Tang, Cheng-Pan.(2020).Beidou wide-area augmentation system clock error correction and performance verification.ADVANCES IN SPACE RESEARCH,65(10),2348-2359.
MLA Liu, Jiu-Long,et al."Beidou wide-area augmentation system clock error correction and performance verification".ADVANCES IN SPACE RESEARCH 65.10(2020):2348-2359.
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