Now showing items 21-40 of 42

  • GNSS/INS Integration using Software Defined Radio Receiver 

    Aravindan, Avinash Manu (Universitat Politècnica de Catalunya, 2012-07-26)
    Master thesis
    Open Access
    [ANGLÈS] The aim of the thesis is to provide a simplified basic framework for the implementation of GNSS/INS integration using SDR receiver. This thesis investigates the different architectures of integration between the ...
  • GNSS-R: a useful tool for sea target detection in near real-time 

    Di Simone, Alessio; Iodice, Antonio; Riccio, Daniele; Camps Carmona, Adriano José; Hyuk, Park (Institute of Electrical and Electronics Engineers (IEEE), 2017)
    Conference report
    Restricted access - publisher's policy
    This paper investigates a novel application of Global Navigation Satellite System-Reflectometry (GNSS-R) in the fields of maritime surveillance and safety, and climate change analysis, namely sea target detection in near ...
  • GNSS receivers using software defined radio: implementation, test and upgrades for high dynamics 

    López Lechuga, Melisa (Universitat Politècnica de Catalunya, 2016-02)
    Bachelor thesis
    Restricted access - confidentiality agreement
  • Ionospheric scintillation monitoring using GNSS-R? 

    Camps Carmona, Adriano José; Hyuk, Park; Juan Zornoza, José Miguel; Sanz Subirana, Jaume; González Casado, Guillermo; Barbosa, José; Fabbro, V; Lemorton, J; Orús Pérez, Raul (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference report
    Restricted access - publisher's policy
    The characterization of the ionosphere and its impact on the propagation of radio-wave signals has received an increasing interest for satellite communications, Global Navigation Satellite Systems (GNSS) applications (i.e. ...
  • Looking for efficient and accurate ways of computing the global ionospheric electron density distribution from huge amounts of GNSS observations 

    Hernández Pajares, Manuel; Juan Zornoza, José Miguel; Sanz Subirana, Jaume; Monte Moreno, Enrique; Aragón Ángel, María Ángeles (2011)
    Lecture
    Open Access
    In this work the authors will explore different potential ways of estimating efficiently and accurately the global number density of ionospheric free electrons from the most part of nowadays available GNSS ...
  • Modelling forest decline using SMOS soil moisture and vegetation optical depth 

    Chaparro Danon, David; Piles de la Fuente, María Pilar; Martínez Vilalta, Jordi; Vall-Llossera Ferran, Mercedes Magdalena; Vayreda, Jordi; Banque, Mireia; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference report
    Restricted access - publisher's policy
    Global change is increasing the risk of forest decline worldwide, impacting carbon and water cycles. Hence, there is an urgent need for predicting forest decline occurrence. To that purpose, this study links forest decline ...
  • Multi Antenna Time of Arrival Estimation 

    Torrent Fontbona, Ferran (Universitat Politècnica de Catalunya, 2011-07-21)
    Master thesis (pre-Bologna period)
    Open Access
    Covenantee:  Kungliga Tekniska högskolan
    English: In the communications literature exist many documents that explain how to use spatial diversity to improve the performance of the system. However, the use of spatial diversity has not been studied in depth for ...
  • New real-time GNSS algorithms for detection and measurement of potential geoeffective stellar flares 

    Moreno Borràs, David (Universitat Politècnica de Catalunya, 2019-07-05)
    Bachelor thesis
    Open Access
    Las fulguraciones estelares son incrementos repentinos de radiaciones electromagnéticas en la superficie de una estrella que contienen gran cantidad de energía. Son detectadas por telescopios tales como Swift o Fermi ...
  • Ocean target monitoring with improved revisit time using constellations of GNSS-R instruments 

    Di Simone, Alessio; Hyuk, Park; Riccio, Daniele; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2017)
    Conference report
    Restricted access - publisher's policy
    Ships and ice monitoring is of key importance in numerous applications, such as maritime traffic control, prevention of illegal activities, climate change studies, and maritime security. In this work, the feasibility of ...
  • Optimized model-based design space exploration of distributed multi-orbit multi-platform Earth observation spacecraft architectures 

    Araguz López, Carles; Llaveria Godoy, David; Lancheros Sepulveda, Estefany Maria; Bou Balust, Elisenda; Camps Carmona, Adriano José; Alarcón Cot, Eduardo José; Lluch, I.; Matevosyan, H.; Golkar, Alessandro; Tonetti, Stefania; Cornara, Stefania; Pierotti, S.; Rodríguez Mondelo, Pedro Manuel; Alvaro Sanchez, A.; Narkiewicz, J. (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference report
    Restricted access - publisher's policy
    Satellite architectures where networked, heterogeneous observation nodes capture data in a distributed manner are seen as feasible solutions to address the needs of next-generation Earth observation services (i.e. higher ...
  • Overview of the Cassini Processing Altimetric Data System 

    Martín Isanda, Oriol (Universitat Politècnica de Catalunya, 2008)
    Master thesis (pre-Bologna period)
    Open Access
    Although the Cassini-Huygens interplanetary mission is a project that covers Saturn, its rings and most of its multiple satellites, in this introduction attention will be focused mainly in the biggest moon of Saturn: ...
  • Positioning and timing in the MIMO-gnss framework 

    García Molina, J. A.; Fernández Rubio, Juan Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2019)
    Conference report
    Restricted access - publisher's policy
    This paper discusses about GNSS-based positioning and timing in challenging propagation conditions for receivers featuring an array of antennas with an arbitrary distribution. In particular, the positioning and timing ...
  • Real-Time Robust Loosely-Coupled GPS-Aided PDR 

    Catany Isern, Miquel (Universitat Politècnica de Catalunya, 2015-08)
    Master thesis (pre-Bologna period)
    Open Access
    Covenantee:  Kungliga Tekniska högskolan
    Fusion between inertial navigation systems (INS) and satellite-based sys- tems like GPS are often used to enhance the overall position or navigation solution. The satellite-based systems are capable of correcting the drift ...
  • Recomanacions disseny, observació i càlcul de xarxes geodèsiques GNSS 

    Bustamante Pineda, Marc (Universitat Politècnica de Catalunya, 2014-12)
    Master thesis (pre-Bologna period)
    Open Access
    Per a la implantació o densificació d’una xarxa geodèsia cal disposar d’unes directrius de treball i actualment a Catalunya no existeix una normativa pública i publicada d’aquesta branca de la topografia. Analitzant les ...
  • Scheduler design for a satellite simulator and other software improvements 

    Sanz Fernández, Pablo (Universitat Politècnica de Catalunya, 2019-07-08)
    Bachelor thesis
    Open Access
    The main objective of this work is contributing into the development of one satellite missions’ simulator. Specifically, the main part to work in is the scheduler, the task manager that decides how the simulator must ...
  • SEPsFLAREs: Final Report 

    Nuñez, Marlon; Qahwaji, Rami; Ashamari, Omar W; García Rigo, Alberto; Hernández Pajares, Manuel (2015-04-06)
    External research report
    Restricted access - confidentiality agreement
  • Signal Processing for the Ionosphere 

    Gómez Jiménez, Sebastián (Universitat Politècnica de Catalunya, 2018-01)
    Bachelor thesis
    36 months embargo
    This is a pure signal-processing project that is focused on minimize as much as possible the effects caused by the ionosphere over the carrier phases of signals emitted by GPS satellites. These effects are highly related ...
  • Snapshot processing of high-order BOC signals in the cloud: on sensitivity and distortion effects 

    García Molina, José; Fernández Rubio, Juan Antonio; Weiler, R.; Crisci, M. (ION Publications (The Institute of navigation), 2017)
    Conference report
    Restricted access - publisher's policy
    This paper discusses the unambiguous estimation of high-order BOC signals in the cloud based on signal snapshots gathered by low-end SDR receivers. In particular, the sensitivity and distortion problems are introduced, ...
  • Softwarisation of the ground segment system for combined terrestrial-satellite communications 

    Ferrús Ferré, Ramón Antonio; Sallent Roig, José Oriol (2017)
    Conference report
    Restricted access - publisher's policy
    Satellite networks are expected to become an integral part of upcoming 5G systems. In this regard, the adoption of 5G mainstream softwarisation technologies such as Software Defined Networking (SDN) and Network ...
  • Study of a lunar satellite navigation system 

    Saura Carretero, Gemma (Universitat Politècnica de Catalunya, 2012-09)
    Master thesis (pre-Bologna period)
    Open Access
    The objective of the present study is to hold a preliminary analysis and design of a lunar global satellite navigation system able to provide accurate positional information to operators on the surface or in low lunar ...