Now showing items 1-15 of 15

  • Analyzing the effect of power control algorithms on the receiver's computing resource consumption 

    Gómez Miguelez, Ismael; Marojevic, Vuk; Salazar Hernández, Dagoberto José; Gelonch Bosch, Antonio José (2010)
    Conference report
    Restricted access - publisher's policy
    Traditional Software-Defined Radios are limited in their ability to share the computational infrastructure between different channel flows of different demands. Future terminals should move to a shared resource model to ...
  • C3 in UAS as a means for secondary navigation 

    Ramírez Alcántara, Jorge; Salazar Hernández, Dagoberto José; Prats Menéndez, Xavier; Barrado Muxí, Cristina (2013-01)
    Article
    Open Access
    Unmanned Air Systems (UAS) navigate using Global Navigation Satellite Systems (GNSS), but GNSS vulnerability precludes its use as the only means of navigation and requires a secondary means of navigation. A differentiating ...
  • EVA: GPS-based extended velocity and acceleration determination 

    Salazar Hernández, Dagoberto José; Hernández Pajares, Manuel; Juan Zornoza, José Miguel; Sanz Subirana, Jaume; Aragón Ángel, María Ángeles (2010-12-01)
    Article
    Restricted access - publisher's policy
    In this work, a new GPS carrier phase-based velocity and acceleration determination method is presented that extends the effective range of previous techniques. The method is named ‘EVA’, and may find applications in ...
  • Global prediction of the vertical total electron content of the ionosphere based on GPS data 

    García Rigo, Alberto; Monte Moreno, Enrique; Hernández Pajares, Manuel; Juan Zornoza, José Miguel; Sanz Subirana, Jaume; Aragón Ángel, María Ángeles; Salazar Hernández, Dagoberto José (2011-12-29)
    Article
    Open Access
    Although vertical total electron content (VTEC) forecasting is still an open subject of research, the use of predictions of the ionospheric state at a scale of several days is an area of increased interest. A global VTEC ...
  • GNSS data management and processing with the GPSTk 

    Salazar Hernández, Dagoberto José; Hernández Pajares, Manuel; Juan Zornoza, José Miguel; Sanz Subirana, Jaume (2010)
    Article
    Restricted access - publisher's policy
    We organize complex problems in simple ways using a GNSS data management strategy based on ‘‘GNSS Data Structures’’ (GDS), coupled with the open source ‘‘GPS Toolkit’’ (GPSTk) suite. The code resulting from using the ...
  • High accuracy positioning using carrier-phases with the opensource GPSTK software 

    Salazar Hernández, Dagoberto José; Hernández Pajares, Manuel; Juan Zornoza, José Miguel; Sanz Subirana, Jaume (2008-12-12)
    Article
    Open Access
    The objective of this work is to show how using a proper GNSS data management strategy, combined with the flexibility provided by the open source "GPS Toolkit" (GPSTk), it is possible to easily develop both simple ...
  • High accuracy positioning using carrier-phases with the opensource GPSTK software 

    Salazar Hernández, Dagoberto José; Hernández Pajares, Manuel; Miguel, J.; Sanz Subirana, Jaume (ESA, 2008-12-12)
    Conference lecture
    Open Access
  • Network-based High Accuracy Positioning with the GPSTk 

    Salazar Hernández, Dagoberto José; Hernández Pajares, Manuel; Juan Zornoza, José Miguel; Sanz Subirana, Jaume (European Space Agency (ESA), 2010)
    Conference report
    Open Access
    This paper presents an implementation of a postprocess kinematic positioning technique similar to PPP (Precise Point Positioning) but based on a network of stations. This technique is independent of precise clock ...
  • Open source precise point positioning with GNSS data structures and the GPSTk 

    Salazar Hernández, Dagoberto José; Hernández Pajares, Manuel; Juan Zornoza, José Miguel; Sanz Subirana, Jaume (EGU, 2008-04-13)
    Conference lecture
    Open Access
  • Open source precise point positioning with GNSS data structures and the GPSTk 

    Salazar Hernández, Dagoberto José; Hernández Pajares, Manuel; Juan Zornoza, José Miguel; Sanz Subirana, Jaume (European Geoscience Union, 2008-04)
    Article
    Open Access
  • Precise GPS-based position, velocity and acceleration determination: algorithms and tools 

    Salazar Hernández, Dagoberto José (Universitat Politècnica de Catalunya, 2010-04-29)
    Doctoral thesis
  • Rapid Open Source GPS software development for modern embedded systems:using the GPSTk with the Gumstix 

    Salazar Hernández, Dagoberto José; Hernández Pajares, Manuel; Juan Zornoza, José Miguel; Sanz Subirana, Jaume (2006-12)
    Conference report
    Open Access
    This work shows how the combination of GPS Open Source Software (GOSS) and advanced full function miniature computers (FFMC) allows rapid development, implementation and testing of advanced embedded GNSS data processing ...
  • The ESA/UPC GNSS-Lab tool (gLAB): an advanced multipurpose package to process and analyse GNSS data 

    Hein, G.; Hernández Pajares, Manuel; Juan Zornoza, José Miguel; Sanz Subirana, Jaume; Ramos Bosch, Pedro; Rovira-Garcia, A.; Salazar Hernández, Dagoberto José; Ventura-Traveset, J.; Lopez-Echazarreta, C. (European Space Agency (ESA), 2010)
    Conference report
    Open Access
    Satellite Navigation has become a keystone for the development of Europe and its citizens. It is then essential to provide adequate educational programmes so to ensure a prepared workforce for the GNSS sector in Europe. ...
  • The GPS Toolkit: world class open source software tools for the GNSS research community 

    Salazar Hernández, Dagoberto José; Hernández Pajares, Manuel; Juan Zornoza, José Miguel; Sanz Subirana, Jaume (2007-02)
    Conference report
    Open Access
    The ”GPS Toolkit” (GPSTk) project is an advanced GNSS Open Source Software (GOSS) suite initiated by the Applied Research Laboratories of the University of Texas (ARL:UT), aiming to provide a world class GNSS library ...
  • Wide Area RTK: a satellite navigation system based on precise real-time ionospheric modelling 

    Juan Zornoza, José Miguel; Sanz Subirana, Jaume; Hernández Pajares, Manuel; Samson, J; Tossaint, M; Aragón Ángel, María Ángeles; Salazar Hernández, Dagoberto José (2012-04-19)
    Article
    Open Access
    The Wide Area Real Time Kinematic (WARTK) is an augmentation system concept for multi-frequency users based on precise real-time ionospheric modeling. It is able to provide a high accuracy and integrity GNSS positioning ...