Search Results - "Ge, Maorong"
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Accuracy and reliability of multi-GNSS real-time precise positioning: GPS, GLONASS, BeiDou, and Galileo
Published in Journal of geodesy (01-06-2015)“…In this contribution, we present a GPS+GLONASS+BeiDou+Galileo four-system model to fully exploit the observations of all these four navigation satellite…”
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A method for improving uncalibrated phase delay estimation and ambiguity-fixing in real-time precise point positioning
Published in Journal of geodesy (01-05-2013)“…In order to improve the performance of precise point positioning (PPP), this paper presents a new data processing scheme to shorten the convergence time and…”
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GPS + Galileo + BeiDou precise point positioning with triple-frequency ambiguity resolution
Published in GPS solutions (01-07-2020)“…Along with the rapid development of GNSS, not only BeiDou, but also Galileo, and the newly launched GPS satellites can provide signals on three frequencies at…”
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Regional reference network augmented precise point positioning for instantaneous ambiguity resolution
Published in Journal of geodesy (01-03-2011)“…Integer ambiguity fixing can significantly shorten the initialization time and improve the accuracy of precise point positioning (PPP), but it still takes…”
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Multi-GNSS Meteorology: Real-Time Retrieving of Atmospheric Water Vapor From BeiDou, Galileo, GLONASS, and GPS Observations
Published in IEEE transactions on geoscience and remote sensing (01-12-2015)“…The rapid development of multi-Global Navigation Satellite Systems (GNSSs, e.g., BeiDou, Galileo, GLONASS, and GPS) and the International GNSS Service (IGS)…”
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Initial Assessment of Precise Point Positioning with LEO Enhanced Global Navigation Satellite Systems (LeGNSS)
Published in Remote sensing (Basel, Switzerland) (01-07-2018)“…The main challenge of precise point positioning (PPP) applications is the long convergence time of typically a half hour, or even more, to achieve centimeter…”
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A computational efficient approach for multi-GNSS real-time precise clock estimation with undifferenced ambiguity resolution
Published in Journal of geodesy (01-08-2024)“…To support real-time global navigation satellite systems (GNSS) precise applications, satellite clock corrections need to be precisely estimated at a high-rate…”
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Retrieving Precipitable Water Vapor From Shipborne Multi‐GNSS Observations
Published in Geophysical research letters (16-05-2019)“…Precipitable water vapor (PWV) is an important parameter for climate research and a crucial factor to achieve high accuracy in satellite geodesy and satellite…”
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Multi-GNSS ultra-rapid orbit determination through epoch-parallel processing
Published in Journal of geodesy (01-11-2023)“…High-precision Global Navigation Satellite Systems (GNSS) orbits are critical for real-time clock estimation and precise positioning service; however, the…”
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Calibrating receiver-type-dependent wide-lane uncalibrated phase delay biases for PPP integer ambiguity resolution
Published in Journal of geodesy (01-07-2021)“…Wide-lane (WL) uncalibrated phase delay (UPD) is usually derived from Melbourne–Wübbena (MW) linear combination and is a prerequisite in Global Navigation…”
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Improving the Orbits of the BDS-2 IGSO and MEO Satellites with Compensating Thermal Radiation Pressure Parameters
Published in Remote sensing (Basel, Switzerland) (01-02-2022)“…The orbit accuracy of the navigation satellites relies on the accurate knowledge of the forces on the spacecraft, in particular the non-conservative…”
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Generation of a consistent absolute phase-center correction model for GPS receiver and satellite antennas
Published in Journal of geodesy (01-12-2007)“…The development and numerical values of the new absolute phase-center correction model for GPS receiver and satellite antennas, as adopted by the International…”
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Improving VLBI analysis by tropospheric ties in GNSS and VLBI integrated processing
Published in Journal of geodesy (01-04-2022)“…Tropospheric delay modeling is challenging in high-precision Very Long Baseline Interferometry (VLBI) analysis due to the rapid water vapor variation and…”
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Validation and Assessment of Multi-GNSS Real-Time Precise Point Positioning in Simulated Kinematic Mode Using IGS Real-Time Service
Published in Remote sensing (Basel, Switzerland) (01-02-2018)“…Precise Point Positioning (PPP) is a popular technology for precise applications based on the Global Navigation Satellite System (GNSS). Multi-GNSS combined…”
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Multi-GNSS precise point positioning for precision agriculture
Published in Precision agriculture (01-10-2018)“…The main objective of this research was to examine the feasibility of Multi-GNSS precise point positioning (PPP) in precision agriculture (PA) through a series…”
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Experimental study on the precise orbit determination of the BeiDou navigation satellite system
Published in Sensors (Basel, Switzerland) (01-03-2013)“…The regional service of the Chinese BeiDou satellite navigation system is now in operation with a constellation including five Geostationary Earth Orbit…”
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An improved approach to model ionospheric delays for single-frequency Precise Point Positioning
Published in Advances in space research (15-06-2012)“…PPP with low-cost, single-frequency receivers has been receiving increasing interest in recent years because of its large amount of possible users. One crucial…”
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Multipath extraction and mitigation for high-rate multi-GNSS precise point positioning
Published in Journal of geodesy (01-10-2019)“…Multipath effect on carrier-phase observation is one of the bottlenecks for mm-level applications when using precise point positioning (PPP). Hence, we extract…”
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Modeling wide-area tropospheric delay corrections for fast PPP ambiguity resolution
Published in GPS solutions (01-04-2022)“…The performance of precise point positioning (PPP) has been significantly improved thanks to the continuous improvements in satellite orbit, clock, and…”
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LEO Enhanced Global Navigation Satellite System (LeGNSS): progress, opportunities, and challenges
Published in Geo-spatial information science (02-01-2022)“…With the completion of Chinese BeiDou Navigation Satellite System (BDS), the world has begun to enjoy the Positioning, Navigation, and Timing (PNT) services of…”
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