Precise Point Positioning Using the Regional BeiDou Navigation Satellite Constellation

Xu, Aigong; Xu, Zhenlin; Xu, Ximeng; Zhu, Huizhong; Xin, Shihe; Sun, Hongxiang

doi:10.1017/s0373463313000842

Cited by 13 publications

(8 citation statements)

References 22 publications

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“…The RMSs for kinematic solutions are within 1–2 cm in horizontal and 4–7 cm in vertical, respectively. Similar static and kinematic results have been reported by other researchers [ 4 , 5 , 6 , 7 ]. However, the BDS only PPP suffers from a long convergence time up to 60 min or even more to obtain centimeter-level positioning accuracy [ 6 , 7 ].…”

Section: Introductionsupporting

confidence: 91%

“…Similar static and kinematic results have been reported by other researchers [ 4 , 5 , 6 , 7 ]. However, the BDS only PPP suffers from a long convergence time up to 60 min or even more to obtain centimeter-level positioning accuracy [ 6 , 7 ]. Fortunately, the signals of other existing or emergence GNSS systems can be used, and numerous studies have verified and assessed the possibility.…”

Section: Introductionsupporting

confidence: 91%

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Assessment of the Contribution of BeiDou GEO, IGSO, and MEO Satellites to PPP in Asia—Pacific Region

Zhao

Wang

Guo

et al. 2015

Sensors

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In contrast to the US Global Positioning System (GPS), the Russian Global Navigation Satellite System (GLONASS) and the European Galileo, the developing Chinese BeiDou satellite navigation system (BDS) consists of not only Medium Earth Orbit (MEO), but also Geostationary Orbit (GEO) as well as Inclined Geosynchronous Orbit (IGSO) satellites. In this study, the Precise Point Positioning (PPP) and PPP with Integer Ambiguity Resolution (IAR) are obtained. The contributions of these three different types of BDS satellites to PPP in Asia–Pacific region are assessed using data from selected 20 sites over more than four weeks. By using various PPP cases with different satellite combinations, in general, the largest contribution of BDS IGSO among the three kinds of BDS satellites to the reduction of convergence time and the improvement of positioning accuracy, particularly in the east direction, is identified. These PPP cases include static BDS only solutions and static/kinematic ambiguity-float and -fixed PPP with the combination of GPS and BDS. The statistical results demonstrate that the inclusion of BDS GEO and MEO satellites can improve the observation condition and result in better PPP performance as well. When combined with GPS, the contribution of BDS to the reduction of convergence time is, however, not as significant as that of GLONASS. As far as the positioning accuracy is concerned, GLONASS improves the accuracy in vertical component more than BDS does, whereas similar improvement in horizontal component can be achieved by inclusion of BDS IGSO and MEO as GLONASS.

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Section: Introductionsupporting

confidence: 91%

Section: Introductionsupporting

confidence: 91%

Assessment of the Contribution of BeiDou GEO, IGSO, and MEO Satellites to PPP in Asia—Pacific Region

Zhao

Wang

Guo

et al. 2015

Sensors

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“…The client is made up of various types of receivers and the signal processor. Close coordination between the three together forms the Beidou navigation architecture receiver module [5][6].…”

Section: The Overall Structure Of the Compass/gps Navigationmentioning

confidence: 99%

Three-dimensional Trajectory Tracking System Based on Compass and Gyroscope

Deng¹,

Qiu²,

Zhong³

et al. 2015

Advances in Social Science, Education and Humanities Research

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According to the high-precision positioning capability with Beidou navigation and the angular momentum conservation of gyroscope, this paper presents a real-time trajectory tracking system based on embedded wireless three-dimensional space. The system used by the application which based QT-cross-platform C ++ graphical user interface. And it is used the OpenGL to achieve real-time trajectory record and precise positioning. And data integration use of Qlite database technology. Experimental results show that simulation results of this system basically consistent with expected results. It has advantages of the long positioning and strong spatial expression.

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“…The performance of the Global Navigation Satellite System (GNSS) positioning depends on the accuracies of satellite orbit and clock products [1,2]. Thanks to the great effort of the International GNSS Service, for example, the Multi-GNSS Experiment project, several types of precise orbit and clock products for GNSS satellites including GPS (Global Positioning System), GLONASS, Galileo, BeiDou and more are provided in routine base with different latencies and accuracies to meet various positioning demands [3,4,5,6,7,8].…”

Section: Introductionmentioning

confidence: 99%

Improving Short Term Clock Prediction for BDS-2 Real-Time Precise Point Positioning

Zhou

Wen

et al. 2019

Sensors

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Although there are already several real-time precise positioning service providers, unfortunately, not all users can use the correction information due to either cost of the service and limitation of their equipment or out of the service coverage. An alternative way is to enhance the accuracy of the predicted satellite clocks for precise real-time positioning. Based on the study of existing prediction models, an improved model combing the spectrum analysis (SA) and the generalized regression neural network (GRNN) model is proposed especially for BeiDou satellite navigation system (BDS)-2 satellites. The periodic terms and GRNN-related parameters including length and interval of sample data, as well as a smooth factor, are optimized satellite by satellite to consider satellite-specific characteristics for all the fourteen BDS-2 satellites. The improved model is validated by comparing the predicted clocks of existing models and the improved model with precisely estimated ones. The bias of the predicted clock is within ±0.5 ns over three hours and better than that of the other models and can be used for several real-time precise applications. The clock prediction is further evaluated by applying clock corrections to precise point positioning (PPP) in both static and kinematic mode for eight IGS (International GNSS Service) MGEX (Multi-GNSS Experiment) stations in the Asia-Pacific region. In the static PPP, the improved model is validated to be effective, and position accuracies of some IGS MGEX stations achieve more than 30.0% improvements on average for each component, which enables us to obtain sub-decimeter positioning. In the kinematic PPP, the improved model performs much better than the others in terms of both the convergence time and the position accuracy. The convergence time can be shortened from 1–2 h to 0.5–1 h, while the position accuracy is enhanced by 15.4%, 21.6% and 19.3% on average in east, north and up component, respectively.

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Precise Point Positioning Using the Regional BeiDou Navigation Satellite Constellation

Cited by 13 publications

References 22 publications

Assessment of the Contribution of BeiDou GEO, IGSO, and MEO Satellites to PPP in Asia—Pacific Region

Assessment of the Contribution of BeiDou GEO, IGSO, and MEO Satellites to PPP in Asia—Pacific Region

Three-dimensional Trajectory Tracking System Based on Compass and Gyroscope

Improving Short Term Clock Prediction for BDS-2 Real-Time Precise Point Positioning

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