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A Vector Ionospheric Delay Correction Method for GNSS Positioning and Navigation Wide Area Augmentation Service
Li,Qi1; Li,Zhenhai1; Zhang,Jing2; Cao,Xiaochun2; Ma,Yinhu1; Wan,Qingtao3
2021-02-01
Source PublicationIOP Conference Series: Earth and Environmental Science
ISSN1755-1307
Volume668Issue:1
AbstractAbstract A new ionospheric delay correction method is proposed to improve the ionospheric correction accuracy of single frequency GNSS users. In the new method, the ionospheric grid point information is expanded from a single scalar vertical correction parameter to a vector of triple elements (the triple): vertical correction parameter, north correction parameter and east correction parameter. The new parameters are used to describe the variation of ionospheric delay correction caused by satellite azimuth. Using the observation data of the ground monitoring stations to fit the triple, and then broadcast the triple to the user. GNSS single frequency users can use the triple data to correct their own ionospheric delay. The testing results show that the correction error of the method is around 0.3 m lower than that of the scalar method.
KeywordGNSS GPS Ionosphere TEC Navigation augmentation
DOI10.1088/1755-1315/668/1/012079
Language英语
WOS IDIOP:1755-1307-668-1-012079
PublisherIOP Publishing
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Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/60114
Collection中国科学院国家天文台
Affiliation1.Test and Assessment Research Center of China Satellite Navigation Office, Beijing, China
2.Zhejiang Highway & Water Transportation Engineering Consulting Corporation, Hangzhou, China
3.National Astronomical Observatories, Chinese Academy of Sciences, Beijing, China
Recommended Citation
GB/T 7714
Li,Qi,Li,Zhenhai,Zhang,Jing,et al. A Vector Ionospheric Delay Correction Method for GNSS Positioning and Navigation Wide Area Augmentation Service[J]. IOP Conference Series: Earth and Environmental Science,2021,668(1).
APA Li,Qi,Li,Zhenhai,Zhang,Jing,Cao,Xiaochun,Ma,Yinhu,&Wan,Qingtao.(2021).A Vector Ionospheric Delay Correction Method for GNSS Positioning and Navigation Wide Area Augmentation Service.IOP Conference Series: Earth and Environmental Science,668(1).
MLA Li,Qi,et al."A Vector Ionospheric Delay Correction Method for GNSS Positioning and Navigation Wide Area Augmentation Service".IOP Conference Series: Earth and Environmental Science 668.1(2021).
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