Recent Submissions

  • Implementation of cognitive radio networks to evaluate spectrum management strategies in real-time 

    Raschellà, Alessandro; Umbert Juliana, Anna (2016-04-01)
    Article
    Restricted access - publisher's policy
    This paper illustrates a Universal Software Radio Peripheral (USRP)-based real-time testbed that is able to evaluate different spectrum management solutions that exploit the Cognitive Radio (CR) paradigm. The main objective ...
  • Diseño y realización de un emisor-receptor FH-MFSK (II) 

    Agustí Comes, Ramon (1988)
    Article
    Open Access
    En este artículo se describen las principales características de un emisor-receptor que utiliza una técnica de saltos de frecuencia a gran velocidad con SAW dispersivos. Se introduce un recuperador de sincronismo de salto ...
  • Diseño y realización de un emisor-receptor FH-MFSK (I) 

    Agustí Comes, Ramon (1988-07)
    Article
    Open Access
    En este artículo se describen las principales características de un emisor-receptor que utiliza una técnica de saltos de frecuencia a gran velocidad: con SAW dispersivos. Se introduce un recuperador de sincronismo de salto ...
  • Effets de la dynamique des évanouissements sélectifs dans un égaliseur et une boucle de récupération de porteuse couplés 

    Olmos Bonafé, Juan José (1989-07)
    Article
    Open Access
    The tracking behaviour of a decision-feedback equalizer coupled to a carrier recovery loop, in the presence of a dynamic multipath fading activity has been studied. Minimum phase¿non minimum phase type fading transitions ...
  • Performance of fractional tap-spacing equalizers for long-haul high-capacity digital fibre-optic communication systems 

    Casadevall Palacio, Fernando José (1986-05-01)
    Article
    Open Access
    It is known that for data transmission above 100 Mbits s-1 multimode fibre systems, working at 1.3 µm wavelength, are more modal-dispersion-limited than loss-limited. Then some form of baseband equalization is highly ...
  • The linc transmitter 

    Casadevall Palacio, Fernando José (1990-02)
    Article
    Open Access
    A technique for producing linear amplification of a bandpass signal using both non-linear components and digital signal processing is the subject of this article. With this technique the bandpass signal is decomposed into ...
  • Resource management implications and strategies for SDR clouds 

    Gómez Miguelez, Ismael; Gilabert Pinal, Pere Lluís; Montoro López, Gabriel; Gelonch Bosch, Antonio José; Marojevic, Vuk (2012-09-19)
    Article
    Restricted access - publisher's policy
    This paper analyzes the computing resource management implications of SDR base stations implemented as SDR clouds. SDR clouds describe distributed antennas that connect to a data center for digital signal processing. ...
  • A multi-cell multi-objective self-optimisation methodology based on genetic algorithms for wireless cellular networks 

    Sánchez González, Juan; Sallent Roig, José Oriol; Pérez Romero, Jordi; Agustí Comes, Ramon (2013-07)
    Article
    Restricted access - publisher's policy
    Self-organising networks (SON) are seen as one of the hottest topics in telecommunication network research and development, eagerly awaited by network operators to achieve a reduction in operational expenditures. However, ...
  • On the performance analysis of asynchronous FH-SSMA Communications 

    Agustí Comes, Ramon (1989-05)
    Article
    Open Access
    A method for calculating the asynchronous frequency-hopping (FH) spread-spectrum multiple-access performance is presented. The method is based on a Gauss quadrature rule, and for this purpose a moment-generation algorithm ...
  • Energy-efficient water-filling with order statistics 

    Gómez Miguelez, Ismael; Marojevic, Vuk; Gelonch Bosch, Antonio José (2014-01-01)
    Article
    Restricted access - publisher's policy
    This paper proposes a methodology based on order statistics to study the energy-efficient (EE) power allocation for wireless communication transmitters. Water-filling power allocation maximizes the EE when transmitting and ...

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