GNSS Open service case study: development of SW tools for assessing GPS and GALILEO positioning performances by means of post-processing single-frequency pseudorange observations
[EN] Nowadays, as the number of GNSS services are increasing, it is necessary to study and evaluate with real data the enhanced capabilities which these positioning products can provide, and how they are evolving compared with their legacy services and its competitors. Among the emerging positioning...
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| Tipo de recurso: | tesis de maestría |
| Fecha de publicación: | 2019 |
| País: | España |
| Institución: | Universitat Politècnica de València (UPV) |
| Repositorio: | RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia |
| Idioma: | inglés |
| OAI Identifier: | oai:riunet.upv.es:10251/142240 |
| Acceso en línea: | https://riunet.upv.es/handle/10251/142240 |
| Access Level: | acceso abierto |
| Palabra clave: | GNSS GPS GALILEO Single-frequency Post-processing Open Service Algorithm Programming RINEX Software Pseudorange Accuracy Perl Linux Gnuplot Performance Positioning SW Postprocesado Servicio abierto Algoritmo Programación Monofrecuencia Pseudorango Prestaciones Posicionamiento INGENIERIA CARTOGRAFICA, GEODESIA Y FOTOGRAMETRIA Máster Universitario en Ingeniería Geomática y Geoinformación-Màster Universitari en Enginyeria Geomàtica i Geoinformación |
| Sumario: | [EN] Nowadays, as the number of GNSS services are increasing, it is necessary to study and evaluate with real data the enhanced capabilities which these positioning products can provide, and how they are evolving compared with their legacy services and its competitors. Among the emerging positioning services, it is noteworthy Europe's GALILEO system, which is close to reach its full operational capability, and is willing to fulfill competitive user level performances which can be used through its open service signals: E1, E5a and E5b. On the legacy side, the most remarkable constellation is USA's GPS, which has been achieving a positioning standard service with the C/A signal and a precise positioning service for military purposes with the P signal. In addition, GPS evolutions will provide a civilian service through more robust signals, such as the L5. The objective of this work is to compare open positioning services from GPS and GALILEO constellations by analyzing their accuracy and integrity performances obtained from a pre-planned campaign, taking as reference-data the IGS station network. The positioning methodology to be used is post-processing single-frequency pseudorange observations in static mode. For committing this purpose, the main workload is focused on developing a configurable and flexible SW tool which is able to batch the pseudorange observations provided by the spatial frame of the GPS and GALILEO satellites, in order to estimate the receiver's position by means of a Least Squares routine. Lately, these data will be inputted in other analysis tools, which will also be developed in the framework of this project, in order to summarize and display the obtained performances. Consequently, and supported by the obtained results, the conclusions regarding the evolution of the studied services will be drawn. |
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