gAGE - grup d'Astronomia i GEomàtica

 

Recerca i transferència de tecnologia en l’àmbit de la navegació molt precisa GNSS (GPS, GLONASS, GALILEO, SBAS) i de l’observació de la Terra (sondeig atmosfèric: ionosfera i troposfera). Modelització de processos i sistemes en l’àmbit de les ciències de la Terra, incloent–hi la biotecnologia.

Pàgina web del grup de recerca

Recent Submissions

  • Analysis of ‘Pre-Fit’ Datasets of gLAB by Robust Statistical Techniques 

    Alonso Alonso, María Teresa; Ferigato, Carlo; Ibáñez Segura, Deimos; Perrotta, Domenico; Rovira Garcia, Adrià; Sordini, Emmanuele (MDPI AG, 2021-05-24)
    Article
    Open Access
    The GNSS LABoratory tool (gLAB) is an interactive educational suite of applications for processing data from the Global Navigation Satellite System (GNSS). gLAB is composed of several data analysis modules that compute the ...

  • Network-based ionospheric gradient monitoring to support GBAS 

    Caamaño Albuerne, María; Felux, Michael; Gerbeth, Daniel; Juan Zornoza, José Miguel; González Casado, Guillermo; Sanz Subirana, Jaume (ION Publications (The Institute of navigation), 2019)
    Conference report
    Open Access
    Ionospheric anomalies, like large ionospheric gradients, might produce a difference between the ionospheric error experienced bythe Ground Based Augmentation System (GBAS) reference station and the aircraft on approach. ...

  • A Kinematic campaign to evaluate EGNOS 1046 maritime service 

    Ibáñez Segura, Deimos; Rovira Garcia, Adrià; Sanz Subirana, Jaume; Juan Zornoza, José Miguel; González Casado, Guillermo; Alonso Alonso, María Teresa; López-Salcedo, José Antonio; Jia, Huamin; Pancorbo, Fransico Javier; García, Carlos; Martín, Irene; Abadía, Santos Rodrigo (ION Publications (The Institute of navigation), 2019)
    Conference report
    Open Access
    Global Navigation Satellite Systems (GNSSs) have improved the efficiency and accuracy of transportation means. In terms of safety, the European Geostationary Navigation Overlay System (EGNOS) is providing vertical and ...

  • RTK Feasibility Analysis for GNSS Snapshot Positioning 

    Liu, Xiao; Ribot, Miguel Ángel; Gusi, Adrià; Closas Gómez, Pau; Rovira Garcia, Adrià; Sanz Subirana, Jaume (ION Publications (The Institute of navigation), 2020)
    Conference report
    Restricted access - author's decision
    With snapshot positioning becoming popular for various applications, the present contribution focuses on the feasibility of achieving Real Time Kinematics (RTK) positioning using snapshot data, i.e. a very brief interval ...

  • Ionospheric scintillation model limitations and impact in GNSS-R missions 

    Camps Carmona, Adriano José; González Casado, Guillermo; Juan Zornoza, José Miguel; Hyuk, Park; Barbosa, José (Institute of Electrical and Electronics Engineers (IEEE), 2020)
    Conference report
    Open Access
    The ionosphere impacts radio-wave propagation, notably up to a few GHz. The main applications impacted by the ionosphere are GNSS positioning and timing, Earth Observations (especially low frequency SAR missions e.g. ...

  • Galileo broadcast ephemeris and clock errors analysis: 1 January 2017 to 31 July 2020 

    Alonso Alonso, María Teresa; Sanz Subirana, Jaume; Juan Zornoza, José Miguel; Rovira Garcia, Adrià; González Casado, Guillermo (Multidisciplinary Digital Publishing Institute (MDPI), 2020-11-29)
    Article
    Open Access
    A preliminary analysis of Galileo F/NAV broadcast Clock and Ephemeris is performed in this paper with 43 months of data. Using consolidated Galileo Receiver Independent Exchange (RINEX) navigation files, automated navigation ...

  • Procesado de Datos GPS: código y fase. Algoritmos, técnicas y recetas. 

    Hernández Pajares, Manuel; Juan Zornoza, José Miguel; Sanz Subirana, Jaume (gAGE/UPC, 2005-07)
    Book
    Restricted access - publisher's policy

  • D.01. GPS-DF FE characterisation report 

    Sanz Subirana, Jaume; Juan Zornoza, José Miguel; Alonso Alonso, María Teresa (2018-01-14)
    External research report
    Restricted access - confidentiality agreement

  • Improvement of global ionospheric VTEC maps by using kriging interpolation technique 

    Orús Pérez, Raul; Hernández Pajares, Manuel; Juan Zornoza, José Miguel; Sanz Subirana, Jaume (2005-07-07)
    Article
    Open Access
    In this work, a geostatistic interpolation algorithm, called kriging, has been applied to improve the Technical University of Catalonia (UPC) global ionospheric maps (GIMs) computed with GPS data. This new UPC GIM, from ...

  • An overview of methodologies for real-time detection, characterisation and tracking of traveling ionospheric disturbances developed in the TechTIDE project 

    Belehaki, Anna; Tsagouri, Ioanna; Altadill Felip, David; Blanch, Estefania; Borries, Claudia; Buresova, Dalia; Chum, Jaroslav; Galkin, Ivan; Juan Zornoza, José Miguel; Segarra, Antoni; Timote Bejarano, Cristhian Camilo (2020-08-04)
    Article
    Open Access
    The main objective of the TechTIDE project (warning and mitigation technologies for travelling ionospheric disturbances effects) is the development of an identification and tracking system for travelling ionospheric ...

  • Galileo Ionospheric Correction Algorithm Integration into the Open-Source GNSS Laboratory Tool Suite (gLAB) 

    Aragón Ángel, Maria Angeles; Rovira Garcia, Adrià; Arcediano-Garrido, Enrique; Ibáñez Segura, Deimos (Multidisciplinary Digital Publishing Institute (MDPI), 2021-01-07)
    Article
    Open Access
    Users of the global navigation satellite system (GNSS) operating with a single-frequencyreceiver must use an ionospheric correction algorithm (ICA) to account for the delay introduced onradio waves by the upper atmosphere. ...

  • Removing day-boundary discontinuities on GNSS clock estimates: methodology and results 

    Rovira Garcia, Adrià; Juan Zornoza, José Miguel; Sanz Subirana, Jaume; González Casado, Guillermo; Ventura Traveset, Javier; Cacciapuoti, Luigi; Schoenemann, Erik (2021-04)
    Article
    Open Access
    Global navigation satellite system (GNSS) satellites are equipped with very stable atomic clocks that can be used for assess-ing the models and strategies involved in the estimation processes, where the clock estimates ...

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