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

  • 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 ...

  • Valors i vectors singulars 

    Cubarsí Morera, Rafael (2015-12)
    External research report
    Restricted access - author's decision
    Descomposició en valors singulars d'una matriu.

  • The Geodetic Detrending technique: enabling high-accuracy navigation under scintillation 

    Rovira Garcia, Adrià; Juan Zornoza, José Miguel; Sanz Subirana, Jaume; González Casado, Guillermo
    Conference report
    Restricted access - publisher's policy
    Scintillation is a particular type of space weather perturbation occurred when the signals from the Global Navigation Satellite System (GNSS) traverse irregularities in the ionosphere; the upper layer of the Earth atmosphere. ...

  • Galileo characterization as Input to H-ARAIM and SBAS DFMC 

    Brieden, Phillip; Wallner, Stefan; Sanz Subirana, Jaume; Rovira Garcia, Adrià; Alonso Alonso, María Teresa; Baur, Oliver; Lauria, Domenico; Kirchner, Michael; Cosson, Fabrice; Spinelli, Enrico; Martini, Ilaria (2019)
    Conference report
    Restricted access - publisher's policy
    The characterization of Galileo Open Service signal-in-space (SiS) represents an essential input to Safety-of-Life (SoL) applications like Horizontal ARAIM (Advanced Receiver Autonomous Integrity Monitoring) and SBAS ...

  • A new approach to improve satellite clock estimates, removing the inter-day jumps 

    Juan Zornoza, José Miguel; Sanz Subirana, Jaume; Rovira Garcia, Adrià; González Casado, Guillermo; Ventura Traveset, Javier; Cacciapuoti, Luigi; Schoenemann, Erik (2020)
    Conference report
    Restricted access - publisher's policy
    Time synchronization is one of the main applications of Global Navigation Satellite System (GNSS). Indeed, GNSS satellites are equipped with highly stable atomic clocks, which can be used as clock references. In particular, ...

  • Data gathering and methodology 

    Sanz Subirana, Jaume; Juan Zornoza, José Miguel (2018-10-31)
    External research report
    Open Access
    The aim of this WP5 is to specify the impact of TID in EGNOS, N-RTK and HF systems through statistical correlation of the performance data recorded from system operators and of TID detection results. The analysis will be ...

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