Investigating Performance of BDS-2+3 Dual-Frequency Absolute Positioning With Broadcast Ephemerides, RTS and Final MGEX Products [PDF]
IEEE Access, 2023 BDS-3 was formally put into service on July 31, 2020, and now along with BDS-2 provides the positioning, navigation and timing services. In this contribution, different techniques of dual-frequency absolute positioning using the fully serviceable BDS-2 ...
Shengnan Liu, Shaolin Zhu, Jian Zhang
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AGG+, 2021 This paper analyses how broadcast and precise ephemerides in alignment, using the least-squares method, affect the accuracy of coordinates of the newly included permanent stations.
Tanja Đukanović +2 more
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Accurate and Rapid Broadcast Ephemerides for Beidou-Maneuvered Satellites [PDF]
Remote Sensing, 2019 The geostationary earth orbit (GEO) and inclined geosynchronous orbit (IGSO) satellites of the Beidou navigation satellite system are maneuvered frequently. The broadcast ephemeris can be interrupted for several hours after the maneuver.
Jing Qiao +3 more
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GNSS Real-Time ZTD/PWV Retrieval Based on PPP with Broadcast Ephemerides [PDF]
AtmosphereGNSS precise point positioning (PPP) plays an important role in retrieving atmospheric water vapor values and performing numerical weather prediction. However, traditional PPP relies on real-time orbits and clocks, which require continuous internet or ...
Zongqiu Xu +5 more
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Design of the broadcast ephemerides for the Lunar Communication and Navigation Services system [PDF]
Progress in Earth and Planetary ScienceThe last few years have brought extensive growth of interest in the Earth’s natural satellite—the Moon. The lunar surface, especially the surroundings of its south pole, is supposed to become a getaway for space exploration including Mars in the first ...
Grzegorz Bury +2 more
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Precise disciplining of a chip-scale atomic clock using PPP with broadcast ephemerides [PDF]
GPS Solutions, 2023 Over the last decade, chip-scale atomic clocks (CSACs) have emerged as stable time and frequency references with small size, weight, and power (SWaP).
Florian Kunzi, Oliver Montenbruck
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Precise point positioning with GPS and Galileo broadcast ephemerides [PDF]
GPS Solutions, 2021 For more than 20 years, precise point positioning (PPP) has been a well-established technique for carrier phase-based navigation. Traditionally, it relies on precise orbit and clock products to achieve accuracies in the order of centimeters.
Luca Carlin +2 more
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Precise real‐time navigation of LEO satellites using GNSS broadcast ephemerides [PDF]
Navigation, 2021 The availability of orbit information with high precision and low latency is a key requirement for many Earth-observation missions, predominantly in the field of radio occultation.
André Hauschild, Oliver Montenbruck
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ASSESSING EFFICIENCY OF GPS EPHEMERIDES IN DIFFERENT REGION USING PRECISE POINT POSITIONING [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2023 Precise Point Positioning (PPP) is a technique that process Global Positioning System (GPS) observation that can achieve sub-decimetre accuracy. Precise ephemerides that contain satellite clock and position plays a vital role in minimising orbital and ...
H. S. Lee +3 more
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UTC and GNSS system time access using PPP with broadcast ephemerides [PDF]
GPS Solutions, 2022 The application of precise point positioning with broadcast ephemerides (PPP-BCE) is discussed as an alternative to the established all-in-view technique for multi-GNSS time transfer.
Luca Carlin +3 more
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