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GPS Solutions, 2019
The real-time precise orbit is an essential prerequisite for a real-time precise point positioning service. Focusing on the impact of ambiguity resolution on real-time orbital precision, we propose an efficient approach for real-time ambiguity resolution, which consists of two modules.
Weiming Tang, Chuang Shi, Zongnan Li
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The real-time precise orbit is an essential prerequisite for a real-time precise point positioning service. Focusing on the impact of ambiguity resolution on real-time orbital precision, we propose an efficient approach for real-time ambiguity resolution, which consists of two modules.
Weiming Tang, Chuang Shi, Zongnan Li
exaly +2 more sources
Precise Real-Time Relative Orbit Determination for Large-Baseline Formations Using GNSS
The International Technical Meeting of the The Institute of Navigation, 2021This paper presents a real-time GNSS-based navigation architecture for distributed space systems, which performs precise relative orbit determination at separations of hundreds of kilometers. Through differential carrier-phase GNSS and on-board integer ambiguity resolution, a hybrid Kalman filter combines the extended Kalman filter time update with the
Vincent Giralo, Simone D’Amico
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Real-Time, Autonomous, Precise Orbit Determination Using GPS
Navigation, 2001ABSTRACT: The desire for autonomously generated, rapidly available, and highly accurate satellite ephemeris is growing with the proliferation of constellations of satellites and the cost and overhead of ground tracking resources. Autonomous orbit determination (OD) based on observations from spaceborne GPS receivers is done on the ground in a ...
David B. Goldstein +2 more
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P2OD: Real-time Precise Onboard Orbit Determination for LEO Satellites
ION GNSS+, The International Technical Meeting of the Satellite Division of The Institute of Navigation, 2017Satellite orbit determination is a fundamental information for many space missions, several requiring a high level of orbit accuracy. Nowadays the Precise Orbit Determination (POD) is the technique routinely used on ground for computing the orbit of LEO missions, especially when the position of the satellite center of mass has to be known at cm level ...
Pietro Giordano +3 more
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BDS-3 single-frequency real-time precise orbit determination of the LEO satellite
2023The 28th IUGG General Assembly (IUGG2023) (Berlin 2023)
Jiang, K., Li, W., Li, M.
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LEO real-time ambiguity-fixed precise orbit determination with onboard GPS/Galileo observations
GPS SolutionsJiaqi Wu, Keke Zhang
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Filter-based Real-time GNSS Precise Orbit Determination Applied to Satellites in Maneuver
2023The accuracy and availability of real-time precise orbits are critical for real-time Global Navigation Satellite Systems (GNSS) users. Real-time orbits are estimated by either batch processing using least-squares adjustment at most International GNSS Service (IGS) Analysis Centers (ACs), or filter-processing, for example, at JPL and Wuhan University ...
Zhiwei Qin +7 more
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Real-time Clock Estimation for Precise Orbit Determination of LEO-Satellites
, 2008 In this paper, a real-time system for clock offset estimation of GPS satellites is presented. The algorithm is based on a Kalman-filter and processes undifferenced code and carrier-phase measurements of a global NTRIP tracking network.
Hauschild, Andre, Montenbruck, Oliver
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