Enviaments recents

  • Self-dimensioning and planning of small cell capacity in multitenant 5G networks 

    Muñoz Luengo, Pablo; Sallent Roig, José Oriol; Pérez Romero, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2018-01-15)
    Article
    Accés obert
    An important concept in the fifth generation of mobile networks is multitenancy, which allows diverse operators sharing the same wireless infrastructure. To support this feature in conjunction with the challenging performance ...
  • Emulador de canales radio para sistemas de comunicaciones móviles 

    Umbert Juliana, Anna; Díaz Romero, M. del Pilar (2001-03)
    Article
    Accés restringit per política de l'editorial
    La investigación que se ha desarrollado de manera continua en el campo de las comunicaciones móviles, para encontrar códigos que protejan mejor la información que se transmite por el canal radio y para evaluar protocolos ...
  • A proposal for an adaptive s-aloha access system for a mobile cdma environment 

    Sallent Roig, José Oriol; Agustí Comes, Ramon (1998-08)
    Article
    Accés obert
    This paper presents a novel adaptive direct-sequence code-division multiple-access (DS-CDMA) slotted-ALOHA (S-ALOHA) packet random-access scheme with transmitter-based spreading codes for mobiles. It is aimed at improving ...
  • Software-defined satellite cloud RAN 

    Ahmed, Toufik; Dubois, Emmanuel; Baptiste Dupé, Jean; Ferrús Ferré, Ramón Antonio; Gélard, Patrick; Kuhn, Nicolas (2017-01-02)
    Article
    Accés obert
    This paper provides an assessment study on the virtualization of a Digital Video Broadcasting - Satellite - Second Generation (DVB-S2)/ Digital Video Broadcasting - Return Channel Satellite - Second Generation (DVB-RCS2) ...
  • On 5G radio access network slicing: radio interface protocol features and configuration 

    Ferrús Ferré, Ramón Antonio; Sallent Roig, José Oriol; Pérez Romero, Jordi; Agustí Comes, Ramon (2018-01-10)
    Article
    Accés obert
    Network slicing is a fundamental capability for future Fifth Generation (5G) networks to facilitate the cost-effective deployment and operation of multiple logical networks over a common physical network infrastructure in ...
  • Application of radio environment maps for dynamic broadband access in TV bands in urban areas 

    Kliks, Adrian; Kryszkiewicz, Pawel; Umbert Juliana, Anna; Pérez Romero, Jordi; Casadevall Palacio, Fernando José; Kulacz, Lukasz (Institute of Electrical and Electronics Engineers (IEEE), 2017-09-09)
    Article
    Accés obert
    Spectrum sharing based on the dedicated databases, particularly in the context of TV band, is widely considered as a promising tool for better spectrum utilization in the future wireless networks. Practical realization of ...
  • Technology pillars in the architecture of future 5G mobile networks: NFV, MEC and SDN 

    Blanco, Begoña; Fajardo, Jose Oscar; Giannoulakis, Ioannis; Kafetzakis, Emmanouil; Peng, Shuping; Pérez Romero, Jordi; Trajkovska, Irena; Sayyad Khodashenas, Pouria; Goratti, Leonardo; Paolino, Michele; Sfakianakis, Evangelos; Liberal, Fidel; Xilouris, George (Elsevier, 2017-11-01)
    Article
    Accés obert
    This paper analyzes current standardization situation of 5G and the role network softwarization plays in order to address the challenges the new generation of mobile networks must face. This paper surveys recent documentation ...
  • On radio access network slicing from a radio resource management perspective 

    Sallent Roig, José Oriol; Pérez Romero, Jordi; Ferrús Ferré, Ramón Antonio; Agustí Comes, Ramon (2017-04)
    Article
    Accés obert
    Network slicing is a fundamental capability for future 5G networks to properly support current and envisioned future application scenarios. Network slicing facilitates a cost-effective deployment and operation of multiple ...
  • Time correlation of the intercell to intracell interference ratio in a W-CDMA network 

    Adelantado, Ferran; Sallent Roig, José Oriol; Pérez Romero, Jordi; Agustí Comes, Ramon (Institution of Electrical Engineers, 2002-12)
    Article
    Accés restringit per política de l'editorial
    W-CDMA performance is tightly coupled to the amount of interference in the air interface and eventually depends on many strongly interrelated system parameters that need to be suitably managed through radio resource ...
  • Managing radio network congestion in UTRA FDD 

    Pérez Romero, Jordi; Sallent Roig, José Oriol; Agustí Comes, Ramon; Sánchez, Juan (Institution of Electrical Engineers, 2002-10)
    Article
    Accés restringit per política de l'editorial
    The presence of different service classes in the context of 3G mobile communication systems opens up new possibilities to exploit the spectrum in an efficient way. In the search of such a high efficiency, radio network ...
  • A fittingness factor-based spectrum management framework for cognitive radio networks 

    Bouali, Faouzi; Sallent Roig, José Oriol; Pérez Romero, Jordi; Agustí Comes, Ramon (2013-03)
    Article
    Accés restringit per política de l'editorial
    In order to increase cognitive radios (CRs) operation efficiency, there has been an increasing interest in strengthening awareness level about spectrum utilisation. In this respect, this paper proposes to exploit the ...
  • Smart spectrum technologies for mobile information systems 

    López Benítez, Miguel; Lehtomaki, Janne; Umebayashi, Kenta; Casadevall Palacio, Fernando José (2016-07-31)
    Article
    Accés obert

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