Now showing items 1-20 of 130

    • 20/30 GHz front-end for the TMS-7 receiving station of the OLYMPUS satellite 

      Artal, E; Bará, J; Berenguer Sau, Jordi; Comerón Tejero, Adolfo; Corbella Sanahuja, Ignasi; Pradell i Cara, Lluís (1989)
      Conference report
      Open Access
      The authors present the 20/30-GHz front-end of the TMS-7 station for performing the measurement of the flux density of one or more signal carriers received from the OLYMPUS satellite. The front-end is composed of two ...
    • 3Cat-1: a multi-payload Cubesat-based scientific and technology demonstrator 

      Jové Casulleras, Roger; Camps Carmona, Adriano José; Ramos Castro, Juan José; Alarcón Cot, Eduardo José; Bou Balust, Elisenda; Carreño Luengo, Hugo; Amézaga Sarries, Adrià; Olivé Muñiz, Roger; Vidal Mateu, David; Muñoz Martin, Joan Francesc; Araguz López, Carles; Marí Barceló, Marc; Ortega Villasclaras, Pablo Rafael; Pons Nin, Joan; Gorreta Mariné, Sergio; Domínguez Pumar, Manuel; Iannazzo Soteras, Mario Enrique (European Spatial Agengy (ESA), 2014)
      Conference lecture
      Open Access
    • 3Cat-1: Attitude determination and control subsystem design 

      Vidal Mateu, David (Universitat Politècnica de Catalunya, 2013-12-10)
      Bachelor thesis
      Open Access
      [ANGLÈS] This project is focused on the design and implementation of an attitude control system for the satellite 3Cat-1. Using a passive system cwith permanent magnets and an active system, consisting of a coil as actuator.
    • 3CAT-3/MOTS, an experimental nanosatellite for multispectra and GNSS-R Earth Observation: Mission concept and analysis 

      Castellví Esturi, Jordi; Camps Carmona, Adriano José; Corbera Fauria, Jordi; Alamús, Ramón (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      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 ...
    • A 3D printed lens antenna for 5G applications 

      Ballesteros, Christian; Maestre, Marcos; Santos Blanco, M. Concepción; Romeu Robert, Jordi; Jofre Roca, Lluís (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Conference lecture
      Open Access
      A switchable multi-antenna architecture for lens-assisted beamsteering in the Ka-band region allocated for 5G communications (24-30 GHz) is proposed. The radiating elements are bow-tie antennas mounted with a 3D printed ...
    • A case study on the communications subsystem for cubesat 

      Cebrián Herrera, Natalia (Universitat Politècnica de Catalunya, 2014-06-09)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   Universidade de Fortaleza
      Due to the overwhelming increment transmission and reception of information around the world, Satellite Communications have become an essential application in our lives. Proof of this, are the continuous investments made ...
    • A Cross-layer architecture for DVB-S2 Broadband Satellite systems with QoS support 

      Rendón Morales, Elizabeth; Mata Diaz, Jorge; Muñoz Tapia, José Luis (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Conference report
      Restricted access - publisher's policy
      In this paper we propose an architecture to provide Quality of Service (QoS) guarantees for DVB-S2 broadband satellite systems. The proposed architecture provides low complexity on its implementation and can seamlessly ...
    • A Ground Station software framework and telemetry management system for Nano-satellite missions 

      Ballesteros Sánchez, Christian (Universitat Politècnica de Catalunya, 2016-06)
      Bachelor thesis
      60 months embargo
    • A multi-agent adaptive protocol for femto-satellite applications 

      González Rufián, Raquel; Naudó Vallverdú, Juan (Universitat Politècnica de Catalunya, 2011-07-15)
      Bachelor thesis
      Open Access
      Femto-satellites are a very promising category of satellites that weigh less than 100 grams. Also, a Pico-Rover it is a self-contained robot that weighs less than 1 kilogram and its motion works by rolling the external ...
    • A multi-agent payload management approach for femtosatellite applications 

      Navarro Morales, Lara (Universitat Politècnica de Catalunya, 2011-09-21)
      Master thesis
      Open Access
      The reduction in size of electronic components makes feasible really small satellites like Femtosatellites with are less than 100 grams of mass. The main advantage of this kind of satellite is the multipoint of view when ...
    • A new design of high precision solar microsensor for satellite aplications 

      Delgado, Francisco; Ortega Villasclaras, Pablo Rafael; Lopez Tarrida, Cristina; Garcia Ortega, Juan; Angulo, Manuel; Quero Reboul, Jose Manuel (IEEE, 2010)
      Conference report
      Restricted access - publisher's policy
      This paper shows the design and calibration of an improved miniaturized two-axis sun sensor for satellite attitude control. The proposed new structure is based on a previous sun sensor structure by adding multiple sensing ...
    • A novel dissemination protocol to deploy opportunistic services in federated satellite systems 

      Ruiz De Azúa Ortega, Juan Adrián; Calveras Augé, Anna M.; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2020-08-03)
      Article
      Open Access
      The Earth Observation community is demanding new satellite applications that cover the need of monitoring different areas with high spatial resolution and short revisit times. These applications will generate huge amounts ...
    • A scalable distributed autonomy system for fractionated satellite missions 

      Rodrigo Muñoz, Santiago (Universitat Politècnica de Catalunya, 2016-02-11)
      Bachelor thesis
      Open Access
      Current trends in space systems are towards the design of autonomous spacecraft that are capable to generate their own plans of action based on system constraints, on-board data analysis and mission goals set by ground ...
    • Adaptive optics without wave-front sensor using the APHEFIS (Adaptive Optics by Phase Estimation from Focal Intensity Speckles) algorithm 

      Muñoz Fuentes, Manuel (Universitat Politècnica de Catalunya, 2012-07-19)
      Master thesis (pre-Bologna period)
      Open Access
      [ANGLÈS] Compensation of the distorsions introduced to the optical wavefronts by the atmosphere using the algorithm APHEFIS, developed by Dr. Dirk Giggenbach.
    • Advanced interference mitigation techniques for the forward link of multi-beam broadband satellite systems 

      Devillers, Bertrand; Pérez Neira, Ana Isabel (2011)
      Conference report
      Restricted access - publisher's policy
      High throughput satellite systems are expected to rely in the user link on multi-beam architectures with small beam footprints and strong frequency reuse among beams, and will therefore operate in an interference limited ...
    • Advanced signal processing techniques for fixed and mobile satellite communications 

      Henarejos Hernández, Pol; Pérez Neira, Ana Isabel; Mazzali, N.; Mosquera Nartallo, Carlos (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Conference report
      Restricted access - publisher's policy
      Enabling ultra fast systems has been widely investigated during recent decades. Although polarization has been deployed from the beginning in satellite communications, nowadays it is being exploited to increase the throughput ...
    • Alternativas para una “canalización subóptima” del espectro radioeléctrico permitido al satélite de telecomunicaciones europeo ECS 

      Agustí Comes, Ramon; Delgado Penin, José Antonio (1979)
      Conference report
      Open Access
    • An Android real-time kernel and system interface for open nano-satellite constellations 

      Marí Barceló, Marc (Universitat Politècnica de Catalunya, 2016-06)
      Bachelor thesis
      Open Access
      L'objectiu d'aquest treball és dissenyar i implementar part de l'arquitectura de software per a una plataforma de desenvolupament de nano-satèl·lits oberta basada en Android. Per un costat, afegir temps real al kernel. Per ...
    • An IBC solar cell for the UPC CubeSat-1 mission 

      Ortega Villasclaras, Pablo Rafael; Jové Casulleras, Roger; Pedret, A; Gonzalvez, G.; López Rodríguez, Gema; Martín García, Isidro; Domínguez Pumar, Manuel; Alcubilla González, Ramón; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Conference report
      Restricted access - publisher's policy
      In this work the fabrication and electrical characterization of interdigitated back contact IBC solar cells is shown. These solar cells have been specifically designed for a CubeSat based satellite under developement at ...
    • An innovative interference mitigation approach for high throughput satellite systems 

      Caus, Marius; Pérez Neira, Ana Isabel; Angelone, Martina; Ginesi, Alberto (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Conference report
      Restricted access - publisher's policy
      This paper investigates how to boost the forward link capacity in multibeam satellite systems. Since co-channel interference is the main inhibitor to achieve the full potential of frequency reuse, we propose to mitigate ...