• A cloud-assisted random linear network coding medium access control protocol for healthcare applications 

    Kartsakli, Elli; Antonopoulos, Angelos; Alonso, Luis; Verikoukis, Christos (MDPI, 2014-03-10)
    Artículo
    Acceso abierto
    Relay sensor networks are often employed in end-to-end healthcare applications to facilitate the information flow between patient worn sensors and the medical data center. Medium access control (MAC) protocols, based on ...
  • A cloud-assisted random linear network coding medium access control protocol for healthcare applications 

    Kartsakli, Elli; Antonopoulos, Angelos; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2014-03)
    Artículo
    Acceso abierto
    Relay sensor networks are often employed in end-to-end healthcare applications to facilitate the information flow between patient worn sensors and the medical data center. Medium access control (MAC) protocols, based on ...
  • A cross-layer scheduling algorithm for DQCA-based WLAN systems with heterogeneous voice-data traffic 

    Kartsakli, Elli; Cateura, Alex; Verikoukis, Christos; Alonso Zárate, Luis Gonzaga (ieee, 2005-09-30)
    Comunicación de congreso
    Acceso restringido por política de la editorial
    This paper proposes a cross-layer priority-based scheduling algorithm for WLAN systems using the DQCA MAC protocol where heterogeneous voice-data traffic is present. In this algorithm voice users have always the highest ...
  • Adaptive generalized space shift keying 

    Ntontin, Konstantinos; Di Renzo, Marco; Pérez Neira, Ana Isabel; Verikoukis, Christos (2013-02-21)
    Artículo
    Acceso abierto
    In this article, we propose a closed-loop precoding method for the Generalized Space Shift Keying (GSSK) modulation scheme, suitable for Multiple-Input-Single-Output (MISO) systems and denoted as adaptive GSSK (AGSSK), ...
  • Adaptive generalized space shift keying (GSSK) modulation for MISO channels: a new method for high diversity and coding gains 

    Ntontin, Konstantinos; Di Renzo, Marco; Pérez Neira, Ana Isabel; Verikoukis, Christos (2012)
    Texto en actas de congreso
    Acceso abierto
    Generalized Space Shift Keying (GSSK) modulation is a recently proposed low-complexity concept for Multiple-Input- Multiple-Output (MIMO) wireless systems. GSSK modulation is a generalized version of Space Shift Keying ...
  • A low-complexity method for antenna selection in spatial modulation systems 

    Ntontin, Konstantinos; Di Renzo, Marco; Pérez Neira, Ana Isabel; Verikoukis, Christos (2013-11-13)
    Artículo
    Acceso restringido por política de la editorial
    In this Letter, a low-complexity Euclidean distancebased method for antenna subset selection in Spatial Modulation systems is presented. The proposed method avoids the high complexity of both the optimal exhaustive ...
  • Analog network coding in the multiple access relay channel: error rate analysis and optimal power allocation 

    Ntontin, Konstantinos; Di Renzo, Marco; Pérez Neira, Ana Isabel; Verikoukis, Christos (2015-06-01)
    Artículo
    Acceso abierto
    In this paper, we consider Analog Network Coding (ANC) in the Multiple Access Relay Channel (MARC) with multiple relays, and provide the following three-fold contribution: 1) we introduce a tractable mathematical framework ...
  • Analysis of a distributed queuing medium access control protocol for cooperative ARQ 

    Alonso Zárate, Jesús; Alonso Zárate, Luis Gonzaga; Skiannis, Ch.; Verikoukis, Christos (2010)
    Texto en actas de congreso
    Acceso abierto
  • Analysis of the hidden and exposed terminal effects in wireless networks with cooperative ARQ 

    Alonso-Zarate, J.; Alonso Zárate, Luis Gonzaga; Kormentzas, Georgios; Verikoukis, Christos (Springer, 2012)
    Artículo
    Acceso restringido por política de la editorial
    Cooperative Automatic Retransmission Request (C-ARQ) schemes allow those users which overhear a transmission to act as spontaneous relays when a packet has been received with errors at destination. When these users assist ...
  • Analysis of the hidden and exposed terminal effects in wireless networks with cooperative ARQ 

    Alonso Zárate, Luis Gonzaga; Kormentzas, George; Verikoukis, Christos (Springer, 2010)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    Cooperative Automatic Retransmission Request (C-ARQ) schemes allow those users which overhear a transmission to act as spontaneous relays when a packet has been received with errors at destination. When these users ...
  • Analytical evaluation of a medium access control priority mechanism for wireless Ad Hoc networks 

    Alonso Zárate, Luis Gonzaga; Gregoratti, David; Alonso Zárate, Jesús; Verikoukis, Christos (2009)
    Comunicación de congreso
    Acceso abierto
  • A near-optimum cross-layered distributed queuing protocol for wireless LAN: medium access control protocols for wireless LANs 

    Alonso Zárate, Jesús; Verikoukis, Christos; Kartsakli, Elli; Cateura Díaz, Alejandro; Alonso Zárate, Luis Gonzaga (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2008-02)
    Artículo
    Acceso abierto
    Distributed Queuing Collision Avoidance (DQCA) is a distributed MAC protocol for WLAN systems that offers near optimum performance. The protocol implements a reservation scheme that ensures collision-free data transmissions ...
  • An energy efficient protocol architecture for m-Health systems 

    Tennina, Stefano; Kartsakli, Elli; Graziosi, Fabio; Santos, Manuel; Lalos, Aristeidis; Antonopoulos, Angelos; Mekikis, Prodromos Vasileios; Di Renzo, Marco; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2014)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    Contemporary technologies as implemented in the field of health care have provided the everyday clinical practice with a plethora of tools to be used in various settings. However, from all established and emerging applications, ...
  • A new MAC approach in wireless body sensor networks for health care 

    Otal Ruiz, Begoña; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (INTECH, 2011-02)
    Capítulo de libro
    Acceso abierto
  • A novel near-optimum medium acces control protocol for a distributed cooperative ARQ scheme in wireless networks 

    Alonso Zárate, Jesús; Verikoukis, Christos; Kartsakli, Elli; Alonso Zárate, Luis Gonzaga (Institute of Electrical and Electronics Engineers (IEEE), 2008-09-30)
    Comunicación de congreso
    Acceso restringido por política de la editorial
    The distributed queuing MAC protocol for cooperative networks (DQCOOP) is presented in this paper as an innovative MAC protocol designed to coordinate the relay retransmissions in a cooperative automatic retransmission ...
  • Antenna subset selection for spatial modulation: a novel and energy efficient single RF technique 

    Ntontin, Konstantinos; Di Renzo, Marco; Pérez Neira, Ana Isabel; Verikoukis, Christos (2013)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    In this paper, we propose a closed-loop and single RF multiple-input-multiple-output (MIMO) method, particularly suitable for the Uplink of cellular systems, which is based on the low-complexity and recently devised method ...
  • A protocol architecture for energy efficient and pervasive eHealth systems 

    Tennina, Stefano; Di Renzo, Marco; Kartsakli, Elli; Graziosi, Fabio; Lalos, Aris S.; Antonopoulos, Angelos; Mekikis, Prodromos Vasileios; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    The design of new and more pervasive healthcare systems has been fostered by the increased expectancy of life in the coming years. In this field, distributed and networked wireless embedded systems, such as Wireless Sensor ...
  • A survey on M2M systems for mHealth: a wireless communications perspective 

    Kartsakli, Elli; Lalos, Aristeidis; Antonopoulos, Angelos; Tennina, Stefano; Di Renzo, Marco; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2014-10-01)
    Artículo
    Acceso abierto
    In the new era of connectivity, marked by the explosive number of wireless electronic devices and the need for smart and pervasive applications, Machine-to-Machine (M2M) communications are an emerging technology that enables ...
  • A threshold-selective multiuser downlink MAC scheme for 802.11n wireless networks 

    Kartsakli, Elli; Zorba, Nizar; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2010)
    Texto en actas de congreso
    Acceso abierto
  • 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)
    Texto en actas de congreso
    Acceso restringido por política de la 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, ...