NAOC Open IR
The wide-area difference system for the regional satellite navigation system of COMPASS
Cao YueLing1; Hu XiaoGong1; Wu Bin1; Zhou ShanShi1; Liu Li3; Su RanRan3; Chang ZhiQiao3; He Feng3; Zhou JianHua3
2012
Source PublicationSCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
ISSN1674-7348
Volume55Issue:7Pages:1307
AbstractThe regional satellite navigation system of COMPASS (Phase I) provides both open services and authorized services. Authorized services offer differential corrections and integrity information to users to support higher positioning, navigation and timing precision. Experimenting with real data, positioning accuracy is estimated with a 3GEO/4IGSO COMPASS constellation. The results show that with dual-frequency and single-frequency pseudo-range measurements, the positioning errors are respectively 8 and 10 m (RMS) for open service users, while for authorized users, the errors are 4 and 5 m (RMS), respectively. The COMPASS constellation geometry may cause large error to occur in the height component by 7-9 m for dual-or single-frequency users, which can be effectively reduced with the differential corrections supplied by the authorized services. Multipath errors are identified and corrected for COMPASS, resulting in 25% positioning accuracy improvement for dual-frequency users and 10% improvement for single-frequency users.
KeywordCOMPASS equivalent satellite clock error ionospheric grid multipath error positioning error
Language英语
Funding Project[National Natural Science Foundation of China] ; [Shanghai Committee of Science and Technology, China]
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/59987
Collection中国科学院国家天文台
Affiliation1.中国科学院国家天文台
2.中国科学院
3.Beijing Global Informat Applicat & Dev Ctr, Beijing 100094, Peoples R China
First Author AffilicationNational Astronomical Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Cao YueLing,Hu XiaoGong,Wu Bin,et al. The wide-area difference system for the regional satellite navigation system of COMPASS[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2012,55(7):1307.
APA Cao YueLing.,Hu XiaoGong.,Wu Bin.,Zhou ShanShi.,Liu Li.,...&Zhou JianHua.(2012).The wide-area difference system for the regional satellite navigation system of COMPASS.SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,55(7),1307.
MLA Cao YueLing,et al."The wide-area difference system for the regional satellite navigation system of COMPASS".SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY 55.7(2012):1307.
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