Browsing by Subject "Satèl·lits artificials en navegació"

Now showing items 1-20 of 64

    • 3CAT-3/MOTS, an experimental nanosatellite for multispectral and GNSS-R earth observation: airborne optical and GNSS-R campaign 

      Castellví Esturi, Jordi; Camps Carmona, Adriano José; Onrubia Ibáñez, Raúl; Alamús, Ramón; Pascual Biosca, Daniel; Querol Borràs, Jorge; Hyuk, Park (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference report
      Restricted access - publisher's policy
      The 3 Cat-3/MOTS mission is a joint initiative between the Institut Cartogràfic i Geològic de Catalunya (ICGC) and the Universitat Politècnica de Catalunya-BarcelonaTech (UPC) to foster new and innovative technologies on ...

    • 3Cat-4: combined GNSS-R, L-Band radiometer with RFI mitigation, and AIS receiver for a I-Unit Cubesat based on software defined radio 

      Muñoz Martin, Joan Francesc; Miguélez Gómez, Noemí; Castellà Rubinat, Ricard; Fernandez Capon, Lara Pilar; Solanellas Bofarull, Arnau; Via Ortega, Pol; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference report
      Restricted access - publisher's policy
      The 3 Cat-4 mission aims to demonstrate the capabilities of nano-satellites plus the versatility of a Software Defined Radio for passive Earth Observation. Three different microwave payloads are integrated into a single ...

    • A design-oriented characterization framework for decentralized, distributed, autonomous systems: the nano-satellite swarm case 

      Araguz López, Carles; Closa, Marc; Bou Balust, Elisenda; Alarcón Cot, Eduardo José (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Conference report
      Restricted access - publisher's policy
      The design of autonomous operational schemes for distributed, decentralized systems is expected to bring multiple qualities to systems of this kind. One of their instances are Earth-observing swarms of nano-satellites, in ...

    • Advanced methods of integration of GNSS and 3D models for positioning in deep urban canyons 

      Ortega González, Héctor (Universitat Politècnica de Catalunya, 2017-10)
      Bachelor thesis
      Open Access
      Classical GNSS positioning in urban environments presents a variety of problems such as satellite signal blockage, reflection and fading, mainly caused by buildings. These issues reduce the number of available satellites, ...

    • Altimetry with GNSS-R interferometry: first proof of concept experiment 

      Martín Neira, Manuel; Altena, B.; van Bree, R.; Van Der Marel, H.; Camps Carmona, Adriano José; Rius, Antonio; Nogués Correig, O.; Ribó Vedrilla, Serni; Cardellach, Estel; Oliveras, S.; Valencia Domènech, Enric; Hyuk, Park; Tarongí Bauzá, José Miguel (2012-04)
      Article
      Restricted access - publisher's policy
      The Global Navigation Satellite System Reflectometry (GNSS-R) concept was conceived as a means to densify radar altimeter measurements of the sea surface. Until now, the GNSS-R concept relied on open access to GNSS ...

    • An anti-jamming system for GNSS timing applications 

      Querol Borràs, Jorge; Camps Carmona, Adriano José; Manfredini, E.G.; Píriz, R. (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference report
      Restricted access - publisher's policy
      Radio-Frequency Interference (RFI) and jamming are increasing problems for timing applications based on Global Navigation Satellite Systems (GNSS). FENIX-lite is a real-time pre-correlation anti-jamming system designed to ...

    • Analysis and selection of a MEMS, multi-constellation GNSS receiver for a femtosatellite 

      Guerra Mentruit, Alejandro (Universitat Politècnica de Catalunya, 2020-02-14)
      Bachelor thesis
      Open Access
      Context: The expansion of space applications and their liberalization is an actual fact since the last decade. Small satellites are developed either by academic institutions and private companies. The concept of femtosatelites, ...

    • Analysis of the potential of small satellites to cover the sea ice data products gap 

      Lancheros Sepulveda, Estefany Maria; Hyuk, Park; Camps Carmona, Adriano José; Di Simone, Alessio; Matevosyan, H.; Lluch, I. (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Conference report
      Restricted access - publisher's policy
      This work reviews and analyses potentially relevant technologies to ensure that the gaps and stakeholder needs for sea ice products are covered. Each variable related to sea ice that presenting gaps using the European EO ...

    • Antena Bi-banda con conformación de dos haces simultáneos para sistemas GNSS-R 

      Onrubia Ibáñez, Raúl; Pascual Biosca, Daniel; Querol Borràs, Jorge; Hyuk, Park; Camps Carmona, Adriano José (Unión Científica Internacional de Radio (URSI), 2018)
      Conference report
      Restricted access - publisher's policy
      Global Navigation Satellite Systems – Reflectometry (GNSS-R) is a relatively new remote sensing technique that benefits from GNSS signals as signals of opportunity as a bistatic radar. These signals can be processed as ...

    • ³Cat-4 Mission: a 1-unit cubesat for earth observation with a L-band radiometer and a GNSS-reflectometer using software defined radio 

      Ruiz De Azúa Ortega, Juan Adrián; Muñoz Martin, Joan Francesc; Fernandez Capon, Lara Pilar; Badia Ballús, Marc; Llaveria Godoy, David; Diez Garcia, Carlos; Aguilella, Andrea; Pérez Portero, Adrián; Milián, O.; Sobrino Hidalgo, Marco; Navarro Trastoy, Ángel; Lleó, H.; Sureda Anfres, Miquel; Soria Guerrero, Manel; Calveras Augé, Anna M.; Camps Carmona, Adriano José (2019)
      Conference lecture
      Restricted access - publisher's policy
      Global Navigation Satellite System Reflectometry and L-band microwave radiometry have been used for soil moisture, biomass, and cryosphere studies. Combining both technologies in a low-power and cost-effective solution ...

    • Deep learning for experimental hybrid terrestrial and satellite interference management 

      Henarejos, Pol; Vázquez Oliver, Miguel Ángel; Pérez Neira, Ana Isabel (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Conference report
      Restricted access - publisher's policy
      Interference Management is a vast topic present in many disciplines. The majority of wireless standards suffer the drawback of interference intrusion and the network efficiency drop due to that. Traditionally, interference ...

    • Desenvolupament d'una eina d'anàlisi de senyals de sistemes GNSS 

      Mateu Suau, Isidre (Universitat Politècnica de Catalunya, 2008-10-13)
      Master thesis (pre-Bologna period)
      Open Access

    • Design and implementation of cycle-slip detectors for for Dual-frequency GNSS Signals 

      Romero Sánchez, Jesús (Universitat Politècnica de Catalunya, 2016-03-16)
      Master thesis
      Open Access
      Introduction: Satellite navigation systems are widely used for today's high accuracy applications demanding the most accurate ranging information obtainable, which is the carrier phase observable. Before the carrier phase ...

    • Design of the support link for a positioning system for racing motorbikes 

      Surís Martí, Marc (Universitat Politècnica de Catalunya, 2014-11)
      Bachelor thesis
      Restricted access - confidentiality agreement

    • Design, implementation and testing of GPS data processing modules for GNSS navigation 

      Rovira Garcia, Adrià (Universitat Politècnica de Catalunya, 2010-01)
      Master thesis (pre-Bologna period)
      Open Access

    • Disseny de practiques docents de Telecomunicacio Espacial basades en STK 

      Abello Sanz, Antoni (Universitat Politècnica de Catalunya, 2012-01-31)
      Bachelor thesis
      Restricted access - author's decision
      The present TFC englobes a series of practicals that involve STK software. They have been designed as a possible application for the CNS (Communications, Navigation & Surveillance) subject, more specifically for the chapter ...

    • Disseny i implementació d'un sistema de navegació GPS per a vehicles prototip 

      Bertoli Fortuny, Xavier (Universitat Politècnica de Catalunya, 2005-07)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      Durant molts anys tant als vehicles industrials com als vehicles prototips es comprovava que portessin una velocitat adequada en qualsevol punt mitjançant tacògrafs. Encara que els tacògrafs siguin molt útils tenen la gran ...

    • Effects of differential oscillator phase noise in precoding performance 

      Martínez Marrero, Liz; Merlano-Duncan, Juan Carlos; Querol, Jorge; Chatzinotas, Symeon; Camps Carmona, Adriano José; Ottersten, Björn (2019)
      Conference report
      Restricted access - publisher's policy
      Satellite Precoding is a promising technique to meet the target data rates of the future high throughput satellite systems and the costs per bit as required by 5G applications and networks, but it requires strict synchronization ...

    • EGNOS 1046 maritime service assessment 

      Ibáñez Segura, Deimos; Rovira Garcia, Adrià; Alonso Alonso, María Teresa; Sanz Subirana, Jaume; Juan Zornoza, José Miguel; González Casado, Guillermo; López Martínez, Manuel (Multidisciplinary Digital Publishing Institute (MDPI), 2020-01-01)
      Article
      Open Access
      The present contribution evaluates how the European Geostationary Navigation Overlay System (EGNOS) meets the International Maritime Organization (IMO) requirements established in its Resolution A.1046 for navigation in ...

    • Estudio sobre la influencia de los modelos troposféricos en observaciones GPS 

      Gallart Munich, Xavier (Universitat Politècnica de Catalunya, 2014-07)
      Master thesis (pre-Bologna period)
      Open Access
      En este proyecto se hace una breve exposición de los principios básicos del funcionamiento de los sistemas GNSS, los operativos y los que están en desarrollo, y un repaso de las principales fuentes de error. Una de las ...