A long‐term broadcast ephemeris model for extended operation of GNSS satellites [PDF]
NAVIGATION, 2020 GNSS positioning relies on orbit and clock information, which is predicted on the ground and transmitted by the individual satellites as part of their broadcast navigation message.
Oliver Montenbruck +2 more
semanticscholar +6 more sources
The Carrier Phase Time Transfer with Broadcast Ephemeris
Journal of Physics: Conference Series, 2019 Time transfer method PPP is restricted by the real-time and precision of IGS production, and the real-time application have not been widely implemented.
Xianglei Wang +3 more
semanticscholar +4 more sources
Orbit Prediction using Broadcast Ephemeris for GLONASS Satellite Visibility Analysis [PDF]
Journal of Astronomy and Space Sciences, 2009 Even though there are several Global Navigation Satellite Systems under development, only GPS and GLONASS are currently available for satellite positioning.
Hye-In Kim, Kwan-Dong Park
doaj +5 more sources
Accuracy analysis of GPS broadcast ephemeris in the 2036th GPS week [PDF]
IOP Conference Series: Materials Science and Engineering, 2019 Satellite orbit error is one of main sources in Global Positioning System (GPS) receiver positioning error. Using broadcast ephemeris in navigation message, the receiver can calculate spatial position of GPS satellites, then combine pseudorange ...
Lihua Ma, Xiaolan Wang, Shengming Li
semanticscholar +3 more sources
Real-Time PPP Based on the Coupling Estimation of Clock Bias and Orbit Error with Broadcast Ephemeris. [PDF]
Sensors (Basel), 2015 Satellite orbit error and clock bias are the keys to precise point positioning (PPP). The traditional PPP algorithm requires precise satellite products based on worldwide permanent reference stations. Such an algorithm requires considerable work and hardly achieves real-time performance.
Pan S, Chen W, Jin X, Shi X, He F.
europepmc +8 more sources
A Smart Realtime Service to Broadcast the Precise Orbits of GPS Satellite and Its Performance on Precise Point Positioning [PDF]
Sensors, 2020 At present, Global Position System (GPS) navigation ephemeris mainly broadcasts satellite orbits with meter-level precision for standard point positioning and precise relative positioning. With the rapid development of real-time precise point positioning
Dehai Li +5 more
doaj +2 more sources
Measurement science and technologyThe BeiDou-3 Navigation Satellite System (BDS-3) generates navigation messages from a regional ground tracking network and inter-satellite links, relying on predicted station coordinates and Earth rotation parameters (ERPs).
Weiguang Gao +6 more
openalex +2 more sources
Analysis of Post-Processed Pseudorange-Based Point Positioning with Different Data Sources for the Current Galileo Constellations [PDF]
SensorsThe Galileo satellite navigation system now provides initial services. With further satellite launches, the performance of Galileo will gradually improve, and new services will be introduced. This study aims to provide a comprehensive analysis of Galileo
Jiantao Zhang, Weiwei Li
doaj +2 more sources
A Simplified BDS Broadcast Ephemeris and State Space Representative (SSR) Matching Method for BDS-Only Real-Time Precise Point Positioning (PPP) [PDF]
IEEE Access, 2019 As opposed to the GPS real-time precise point positioning (PPP) with sophisticated orbit/clock recovery method, BDS real-time PPP applications were limited by the fact that no internationally recognized BDS issue of data (IOD) calculation and matching ...
Junbo Shi +4 more
openalex +2 more sources
Signal in Space Error and Ephemeris Validity Time Evaluation of Milena and Doresa Galileo Satellites [PDF]
Sensors, 2019 In August 2016, Milena (E14) and Doresa (E18) satellites started to broadcast ephemeris in navigation message for testing purposes. If these satellites could be used, an improvement in the position accuracy would be achieved.
Umberto Robustelli +2 more
doaj +2 more sources