Precise positioning with SSR Galileo High Accuracy Service
This study evaluates the positioning performance of Galileo High Accuracy Service (HAS), focusing on its compliance with Service Level 1 (SL1) accuracy and convergence time requirements. The results show that all three processing centres (Centre for Orbit Determination in Europe (CODE), Centre Natio...
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| Tipo de recurso: | tesis de maestría |
| Fecha de publicación: | 2025 |
| País: | España |
| Institución: | Universitat Politècnica de Catalunya (UPC) |
| Repositorio: | UPCommons. Portal del coneixement obert de la UPC |
| Idioma: | inglés |
| OAI Identifier: | oai:upcommons.upc.edu:2117/451728 |
| Acceso en línea: | https://hdl.handle.net/2117/451728 |
| Access Level: | acceso abierto |
| Palabra clave: | Global Positioning System Galileo HAS High accuracy service GNSS Precise positioning Positioning Convergence time Precise positioning point gLAB Sistema de posicionament global Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica::Radionavegació |
| Sumario: | This study evaluates the positioning performance of Galileo High Accuracy Service (HAS), focusing on its compliance with Service Level 1 (SL1) accuracy and convergence time requirements. The results show that all three processing centres (Centre for Orbit Determination in Europe (CODE), Centre National d'Études Spatiales (CNE), and Galileo HAS) meet the horizontal accuracy requirement of 20 cm and vertical accuracy of 40 cm, with vertical accuracy being particularly precise. CODE outperforms the others in both dimensions, followed by CNE and Galileo HAS. For convergence time, CODE meets the 300-second horizontal requirement, while Galileo HAS slightly exceeds it in some cases but remains acceptable. CNE performs the least favourably in horizontal convergence, although it improves in vertical convergence, where both CODE and Galileo HAS meet the 300-second threshold in over 95% of cases. Overall, Galileo HAS meets SL1 requirements, proving reliable for high-precision applications, with minor improvements needed in horizontal convergence. |
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