Recent Submissions

  • Performance of Fractioned and Nonfractioned Equalizers with High-Level QAM 

    Agustí Comes, Ramon; Casadevall Palacio, Fernando José; Olmos Bonafé, Juan José (1987-04-01)
    Article
    Open Access
    This paper presents a comparative study of 16-QAM, 32QAM, 64-QAM, and 128-QAM 140 Mbit/s digital radio in the presence of multipath fading. Conventional T -spaced and fractional tapspaced equalizers have been considered ...
  • A metaheuristic-based downlink power allocation for LTE/LTE-A cellular deployments 

    González González, David; García Lozano, Mario; Ruiz Boqué, Sílvia; Lee, Dong Seop (2014-08)
    Article
    Restricted access - publisher's policy
    The explosive growth of cellular networks makes their deployment and maintenance more and more complex, time consuming, and expensive. Self-Organizing Networks have been recognized as a promising way to alleviate this ...
  • Cubic spline extrapolation for uplink channel quality prediction in LTE-A with carrier aggregation 

    Lema Rosas, María Ángel; García Lozano, Mario; Ruiz Boqué, Sílvia (Wiley-Blackwell, 2015-05-25)
    Article
    Open Access
    In the context of wireless communications, an accurate channel state information is the key to a correct radio resource management. In the uplink of long-term evolution advanced, obtaining up-to-date channel state information ...
  • Energy saving scheme for multicarrier HSPA + under realistic traffic fluctuation 

    Jada, Maliha Urooj; García Lozano, Mario; Hämäläinen, Jyri (2015-10-28)
    Article
    Restricted access - publisher's policy
    In the near future, an increase in cellular network density is expected to be one of the main enablers to boost the system capacity. This development will lead to an increase in the network energy consumption. In this ...
  • Multiobjective optimization of fractional frequency reuse for irregular OFDMA macrocellular deployments 

    González González, David; García Lozano, Mario; Ruiz Boqué, Sílvia; Lema, Maria A.; Lee, Dong Seop (2015-06)
    Article
    Restricted access - publisher's policy
    Interference mitigation has been identified as a key challenge for emerging cellular technologies based on Orthogonal Frequency Division Multiple Access, such as Long Term Evolution. In this context, static intercell ...
  • Cooperative energy harvesting-adaptive MAC protocol for WBANs 

    Esteves, Volker; Antonopoulos, Angelos; Kartsakli, Elli; Puig Vidal, Manel; Miribel Català, Pere Lluís; Verikoukis, Christos (2015-06-01)
    Article
    Open Access
    In this paper, we introduce a cooperative medium access control (MAC) protocol, named cooperative energy harvesting (CEH)-MAC, that adapts its operation to the energy harvesting (EH) conditions in wireless body area networks ...
  • Provisioning vehicular services and communications based on a bluetooth sensor network deployment 

    Pérez Díaz de Cerio, David; Valenzuela González, José Luis (2015-06-01)
    Article
    Open Access
    It is very common to rule out Bluetooth as a suitable technology for vehicular communications. The reasons behind this decision usually result from misconceptions such as accepting that Bluetooth has a short application ...
  • RLNC-aided cooperative compressed sensing for energy efficient vital signal telemonitoring 

    Lalos, Aristeidis; Antonopoulos, Angelos; Kartsakli, Elli; Di Renzo, Marco; Tennina, Stefano; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2015-07-01)
    Article
    Open Access
    Wireless body area networks (WBANs) are composed of sensors that either monitor and transmit vital signals or act as relays that forward the received data to a body node coordinator (BNC). In this paper, we introduce an ...
  • MPR-aware scheduler for carrier aggregation transmissions in LTE uplink 

    Lema Rosas, María Ángel; García Lozano, Mario; Ruiz Boqué, Sílvia (2015-09-01)
    Article
    Restricted access - publisher's policy
    Unlike previous Long Term Evolution (LTE) releases, LTE - Advanced (LTE-A) allows the use of non-contiguous resource allocation in the uplink (UL). This feature leads to increase the spectral efficiency thanks to link ...
  • Energy-efficient infrastructure sharing in multi-operator mobile networks 

    Antonopoulos, Angelos; Kartsakli, Elli; Bousia, Alexandra; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2015-05-01)
    Article
    Open Access
    Network infrastructure sharing and base station switching off mechanisms have been recently introduced as promising solutions toward energy and cost reduction in cellular networks. Although these techniques are usually ...

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