Enviaments recents

  • Energy and spectrum efficient user association in 5G heterogeneous networks 

    Mesodiakaki, Agapi; Adelantado Freixer, Ferran; Antonopoulos, Angelos; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Due to the dense small cell deployment to cope with the increased data traffic of fifth generation (5G) networks, the direct backhaul (BH) connection of all small cells to the core network becomes challenging. To that end, ...
  • Connectivity analysis in wireless-powered sensor networks with battery-less devices 

    Mekikis, Prodromos Vasileios; Antonopoulos, Angelos; Kartsakli, Elli; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    The emerging Internet of Things paradigm has triggered an explosion in ad-hoc applications that require connectivity among the nodes of wireless networks. However, the channel randomness and the random deployment of such ...
  • Energy harvesting-aware distributed queuing access for wireless machine-to-machine networks 

    Vázquez Gallego, Francisco; Alonso Zárate, Luis Gonzaga; Alonso-Zárate, Jesús (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    The Energy Harvesting-aware Distributed Queuing access protocol (EH-DQ) is presented in this paper as a novel Medium Access Control protocol for wireless Machineto-Machine networks with energy harvesting capabilities. ...
  • Delay analysis of converged medium transparent fixed service optical-wireless networks 

    Kalfas, George; Vardakas, John S.; Pleros, Nikos; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    We demonstrate for the first time an analytical model for computing the end to end packet delay of an Optical/Wireless 60GHz Radio-over-Fiber (RoF) network operating under the Medium-Transparent MAC (MT-MAC) protocol. The ...
  • Flexible aerial relay nodes for communication recovery and D2D relaying 

    Mekikis, Prodromos Vasileios; Kartsakli, Elli; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Current mobile communication infrastructure may fail in cases where low coverage areas suddenly become overcrowded by mobile devices or in natural disasters. In this paper, we propose the use of flexible aerial relay (FAR) ...
  • Energy harvesting-aware contention tree-based access for wireless machine-to-machine networks 

    Vázquez Gallego, Francisco; Alonso Zárate, Luis Gonzaga; Alonso Zárate, Jesús (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    The Energy Harvesting-aware Contention Treebased Access (EH-CTA) protocol is presented in this paper as a novel Medium Access Control (MAC) protocol for wireless Machine-to-Machine (M2M) networks where enddevices are ...
  • WSN4QoL: WSNs for remote patient monitoring in e-Health applications 

    Tennina, Stefano; Santos, Manuel; Mesodiakaki, Agapi; Mekikis, Podromos-Vasileos; Antonopoulos, Angelos; di Renzo, Marco; Stavridis, Athanasios; Graziosi, Fabio; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Contemporary technologies as implemented in the field of healthcare have provided the everyday clinical practice with a plethora of tools to be used in various settings. In this field, distributed and networked embedded ...
  • Research activities at WiComTec-UPC research group 

    Ruiz Boqué, Sílvia; García Lozano, Mario; Pérez Díaz de Cerio, David; Valenzuela González, José Luis; Olmos Bonafé, Juan José; Alonso Zárate, Luis Gonzaga; Joud, Mohammad (2016)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    This paper is an introduction of the main research activities in which the Wireless Communications and Technologies research group (WiComTec-UPC) is involved now or has planned for the next years, oriented to disseminate ...
  • Auction-based offloading for base station switching off in Heterogeneous Networks 

    Bousia, Alexandra; Kartsakli, Elli; Antonopoulos, Angelos; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    The emerging traffic demand has triggered an impressive deployment of network infrastructure, including macro Base Stations (BSs) and Small Cells (SCs), leading to increased energy consumption and expenditures. However, ...
  • A novel MAC protocol based on distributed queues for CDMA communication systems 

    Alonso Zárate, Luis Gonzaga; Agustí Comes, Ramon; Sallent Roig, José Oriol (1999)
    Text en actes de congrés
    Accés obert
    This paper presents and analyses a new near-optimum medium access control (MAC) protocol. The proposed access scheme is suitable for a CDMA mobile communication environment and minimises the total number of spreading codes ...

Mostra'n més