Enviaments recents

  • Dect architecture proposal for a construction site 

    Ruiz Boqué, Sílvia; Agustí Comes, Ramon (1996)
    Text en actes de congrés
    Accés obert
    A construction site is an specific environment where important propagation related issues have to be considered. In particular an important problem concerns the coverage of buildings under construction and therefore ...
  • Adaptive algorithms for improving the throughput in an indoor mobile s-aloha ds-cdma system 

    Sallent Roig, José Oriol; Agustí Comes, Ramon (DR. F-N PAVLIDOU IEEE, 1996)
    Text en actes de congrés
    Accés obert
    This paper presents a novel Adaptive DSCDMA Slotted-ALOHA packet random access scheme with transmitter-based spreading codes for mobiles. It is aimed at improving the throughput and message delay delivery when traffic ...
  • A mobile controlled algorithm for improving the throughput in a s-aloha ds-cdma system 

    Sallent Roig, José Oriol; Agustí Comes, Ramon (Institute of Electrical and Electronics Engineers (IEEE), 1996)
    Text en actes de congrés
    Accés obert
    This paper presents a novel adaptive DS-CDMA slotted-ALOHA packet random access scheme with transmitter-based spreading codes for mobiles. It is aimed at improving the throughput and message delay delivery when traffic ...
  • Performance of a linear interference canceller for a ds/cdma synchronous system based on the ekf delay estimator 

    Díaz Romero, M. del Pilar; Agustí Comes, Ramon (. S.N., 1995)
    Text en actes de congrés
    Accés obert
    Since the conventional detector often fails to produce reliable decisions for a CDMA channel, several new multiuser detectors have previously proposed. In the present paper, the authors propose both a simple linear scheme ...
  • On the virtualization and dynamic orchestration of satellite communication services 

    Ferrús Ferré, Ramón Antonio; Koumaras, Harilaos; Sallent Roig, José Oriol; Rasheed, Tinku; Duros, Emmanuel; Riggio, R.; Kuhn, Nicolas; Gélard, Patrick; Ahmed, Toufik (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Text en actes de congrés
    Accés obert
    Key features of satellite communications such as wide-scale coverage, broadcast/multicast support and high availability, together with significant amounts of new satellite capacity coming online, anticipate new opportunities ...
  • SDN and NFV for satellite infrastructures 

    Agapiou, George; Ferrús Ferré, Ramón Antonio; Koumaras, Harilaos; Sallent Roig, José Oriol; Rasheed, Tinku; Kuhn, Nicolas; Ahmed, Toufik (Institute of Electronics, Information and Communications Engineers (IEICE), 2016)
    Text en actes de congrés
    Accés obert
    The integration of SDN and NFV enablers into the satellite network could prove to be an essential means to save on physical sites, improve the time to bring new services to the market and open new ways to improve ...
  • SDN/NFV-enabled satellite communications networks: opportunities, scenarios and challenges 

    Ferrús Ferré, Ramón Antonio; Koumaras, Harilaos; Sallent Roig, José Oriol; Agapiou, George; Rasheed, Tinku; Boustie, Christelle; Gélard, Patrick; Ahmed, Toufik (Elsevier, 2016-03-01)
    Article
    Accés restringit per política de l'editorial
    In the context of next generation 5G networks, the satellite industry is clearly committed to revisit and revamp the role of satellite communications. As major drivers in the evolution of (terrestrial) fixed and mobile ...
  • Provisión de banda ancha móvil para seguridad pública y emergencias 

    Agustí Comes, Ramon; Sallent Roig, José Oriol; Ferrús Ferré, Ramón Antonio (2013-06-01)
    Article
    Accés obert
    El acceso de banda ancha móvil es fundamental para mejorar la eficiencia y efectividad de las comunicaciones de seguridad pública y emergencias. En este artículo se identifican y argumentan los tres pilares básicos sobre ...
  • Enhancing satellite & terrestrial networks integration through NFV/SDN technologies 

    Ferrús Ferré, Ramón Antonio; Sallent Roig, José Oriol; Rasheed, Tinku; Morelli, Arianna; Koumaras, Harilaos; Agapiou, George; Boustie, Christelle; Gélard, Patrick; Mestari, Rachid; Makis, Haritos; Masson, Thierry (2015-07-01)
    Article
    Accés obert
    NFV and SDN technologies can become key facilitators for the combination of terrestrial and satellite networks. Enabling NFV into the SatCom domain will provide operators with appropriate tools and interfaces in order to ...
  • Alternativas de despliegue y asignación de espectro para las redes radio de emergencia de banda ancha 

    Cerrato, Javier Alonso; Ferrús Ferré, Ramón Antonio; Sallent Roig, José Oriol (2015-07-01)
    Article
    Accés obert
    La definición e implementación de una solución de banda ancha móvil que satisfaga las necesidades operativas de los cuerpos de seguridad pública y de emergencias (PPDR – Public Protection and Disaster Relief) es esencial ...

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