• Is the random access channel of LTE and LTE-A suitable for M2M communications? A survey of alternatives 

    Laya Romero, Andrés Ernesto; Alonso Zárate, Luis Gonzaga; Alonso-Zárate, Jesús (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Article
    Accés restringit per política de l'editorial
    The 3GPP has raised the need to revisit the design of next generations of cellular networks in order to make them capable and efficient to provide M2M services. One of the key challenges that has been identified is the ...
  • Multi-radio cooperative retransmission scheme for reliable machine-to-machine multicast services 

    Laya Romero, Andrés Ernesto; Wang, Kun; Alonso Zárate, Luis Gonzaga; Alonso Zárate, Jesús (IEEE, 2012)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Mobile Machine-to-Machine (M2M) market is expected to grow dramatically in the upcoming years; predictions agree that the majority of wireless traffic will correspond to this type of communication. M2M devices deployed in ...
  • Validation of a communication standard between detectors and telecontrol systems in the railway enviroment 

    Laya Romero, Andrés Ernesto (Universitat Politècnica de Catalunya, 2009-09)
    Projecte/Treball Final de Carrera
    Accés restringit per decisió de l'autor
    The railway environment relies over several detection systems to provide a secure trans- portation; some of these devices are the lateral wind detector, fallen object detectors, weather stations, vertical impacts detector, ...