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Estimation of QZSS differential code biases using QZSS/GPS combined observations from MGEX
Wang, Qisheng1,2; Jin, Shuanggen2,3; Hu, Youjian1
2021-02-01
Source PublicationADVANCES IN SPACE RESEARCH
ISSN0273-1177
Volume67Issue:3Pages:1049-1057
AbstractAs an important error source in Global Navigation Satellite System (GNSS) positioning and ionospheric modeling, the differential code biases (DCB) need to be estimated accurately, e.g., the regional Quasi-Zenith satellite system (QZSS). In this paper, the DCB of QZSS is estimated by adopting the global ionospheric modeling method based on QZSS/GPS combined observations from Multi-GNSS experiment (MGEX). The performance of QZSS satellite and receiver DCB is analyzed with observations from day of year (DOY) 275-364, 2018. Good agreement between our estimated QZSS satellite DCB and the products from DLR and CAS is obtained. The bias and root mean square (RMS) of DCB are mostly within +/- 0.3 ns. The day-to-day fluctuation of the DCB time series is less than 0.5 ns with about 96% of the cases for all satellites. However, the receiver DCB is a little less stable than satellite DCB, and their standard deviations (STDs) are within 1.9 ns. The result shows that the stability of the receiver DCBs is not significantly related to the types of receiver or antenna. (C) 2020 COSPAR. Published by Elsevier Ltd. All rights reserved.
KeywordQuasi-Zenith satellite system (QZSS) GPS Differential code biases (DCB) Multi-GNSS experiment (MGEX)
Funding OrganizationNational Natural Science Foundation of China-German Science Foundation (NSFC-DFG) Project ; National Natural Science Foundation of China-German Science Foundation (NSFC-DFG) Project ; Startup Foundation for Introducing Talent of NUIST ; Startup Foundation for Introducing Talent of NUIST ; Jiangsu Province Distinguished Professor Project ; Jiangsu Province Distinguished Professor Project ; Open fund project of Hubei Research Center of Engineering and Technology for bridge safety monitoring and equipment ; Open fund project of Hubei Research Center of Engineering and Technology for bridge safety monitoring and equipment ; National Natural Science Foundation of China-German Science Foundation (NSFC-DFG) Project ; National Natural Science Foundation of China-German Science Foundation (NSFC-DFG) Project ; Startup Foundation for Introducing Talent of NUIST ; Startup Foundation for Introducing Talent of NUIST ; Jiangsu Province Distinguished Professor Project ; Jiangsu Province Distinguished Professor Project ; Open fund project of Hubei Research Center of Engineering and Technology for bridge safety monitoring and equipment ; Open fund project of Hubei Research Center of Engineering and Technology for bridge safety monitoring and equipment ; National Natural Science Foundation of China-German Science Foundation (NSFC-DFG) Project ; National Natural Science Foundation of China-German Science Foundation (NSFC-DFG) Project ; Startup Foundation for Introducing Talent of NUIST ; Startup Foundation for Introducing Talent of NUIST ; Jiangsu Province Distinguished Professor Project ; Jiangsu Province Distinguished Professor Project ; Open fund project of Hubei Research Center of Engineering and Technology for bridge safety monitoring and equipment ; Open fund project of Hubei Research Center of Engineering and Technology for bridge safety monitoring and equipment ; National Natural Science Foundation of China-German Science Foundation (NSFC-DFG) Project ; National Natural Science Foundation of China-German Science Foundation (NSFC-DFG) Project ; Startup Foundation for Introducing Talent of NUIST ; Startup Foundation for Introducing Talent of NUIST ; Jiangsu Province Distinguished Professor Project ; Jiangsu Province Distinguished Professor Project ; Open fund project of Hubei Research Center of Engineering and Technology for bridge safety monitoring and equipment ; Open fund project of Hubei Research Center of Engineering and Technology for bridge safety monitoring and equipment
DOI10.1016/j.asr.2020.10.049
WOS KeywordMULTI-GNSS OBSERVATIONS ; GALILEO ; BDS ; SATELLITE ; GPS ; GLONASS ; SIGNAL ; ORBIT
Language英语
Funding ProjectNational Natural Science Foundation of China-German Science Foundation (NSFC-DFG) Project[41761134092] ; Startup Foundation for Introducing Talent of NUIST[2243141801036] ; Jiangsu Province Distinguished Professor Project[R2018T20] ; Open fund project of Hubei Research Center of Engineering and Technology for bridge safety monitoring and equipment[QLZX2014010]
Funding OrganizationNational Natural Science Foundation of China-German Science Foundation (NSFC-DFG) Project ; National Natural Science Foundation of China-German Science Foundation (NSFC-DFG) Project ; Startup Foundation for Introducing Talent of NUIST ; Startup Foundation for Introducing Talent of NUIST ; Jiangsu Province Distinguished Professor Project ; Jiangsu Province Distinguished Professor Project ; Open fund project of Hubei Research Center of Engineering and Technology for bridge safety monitoring and equipment ; Open fund project of Hubei Research Center of Engineering and Technology for bridge safety monitoring and equipment ; National Natural Science Foundation of China-German Science Foundation (NSFC-DFG) Project ; National Natural Science Foundation of China-German Science Foundation (NSFC-DFG) Project ; Startup Foundation for Introducing Talent of NUIST ; Startup Foundation for Introducing Talent of NUIST ; Jiangsu Province Distinguished Professor Project ; Jiangsu Province Distinguished Professor Project ; Open fund project of Hubei Research Center of Engineering and Technology for bridge safety monitoring and equipment ; Open fund project of Hubei Research Center of Engineering and Technology for bridge safety monitoring and equipment ; National Natural Science Foundation of China-German Science Foundation (NSFC-DFG) Project ; National Natural Science Foundation of China-German Science Foundation (NSFC-DFG) Project ; Startup Foundation for Introducing Talent of NUIST ; Startup Foundation for Introducing Talent of NUIST ; Jiangsu Province Distinguished Professor Project ; Jiangsu Province Distinguished Professor Project ; Open fund project of Hubei Research Center of Engineering and Technology for bridge safety monitoring and equipment ; Open fund project of Hubei Research Center of Engineering and Technology for bridge safety monitoring and equipment ; National Natural Science Foundation of China-German Science Foundation (NSFC-DFG) Project ; National Natural Science Foundation of China-German Science Foundation (NSFC-DFG) Project ; Startup Foundation for Introducing Talent of NUIST ; Startup Foundation for Introducing Talent of NUIST ; Jiangsu Province Distinguished Professor Project ; Jiangsu Province Distinguished Professor Project ; Open fund project of Hubei Research Center of Engineering and Technology for bridge safety monitoring and equipment ; Open fund project of Hubei Research Center of Engineering and Technology for bridge safety monitoring and equipment
WOS Research AreaEngineering ; Astronomy & Astrophysics ; Geology ; Meteorology & Atmospheric Sciences
WOS SubjectEngineering, Aerospace ; Astronomy & Astrophysics ; Geosciences, Multidisciplinary ; Meteorology & Atmospheric Sciences
WOS IDWOS:000608032900010
PublisherELSEVIER SCI LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/79869
Collection中国科学院国家天文台
Corresponding AuthorJin, Shuanggen; Hu, Youjian
Affiliation1.China Univ Geosci, Sch Geog & Informat Engn, Wuhan 430074, Peoples R China
2.Nanjing Univ Informat Sci & Technol, Sch Remote Sensing & Geomat Engn, Nanjing 210044, Peoples R China
3.Chinese Acad Sci, Shanghai Astron Observ, Shanghai 200030, Peoples R China
Recommended Citation
GB/T 7714
Wang, Qisheng,Jin, Shuanggen,Hu, Youjian. Estimation of QZSS differential code biases using QZSS/GPS combined observations from MGEX[J]. ADVANCES IN SPACE RESEARCH,2021,67(3):1049-1057.
APA Wang, Qisheng,Jin, Shuanggen,&Hu, Youjian.(2021).Estimation of QZSS differential code biases using QZSS/GPS combined observations from MGEX.ADVANCES IN SPACE RESEARCH,67(3),1049-1057.
MLA Wang, Qisheng,et al."Estimation of QZSS differential code biases using QZSS/GPS combined observations from MGEX".ADVANCES IN SPACE RESEARCH 67.3(2021):1049-1057.
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