Ara es mostren els items 43-62 de 73

    • Game theoretic approach for switching off base stations in multi-operator environments 

      Bousia, Alexandra; Kartsakli, Elli; Antonopoulos, Angelos; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The emerging increase of the number of Base Stations causes redundant energy consumption, especially during low traffic periods, when the Base Stations capacity is underutilized. In this paper, we study energy efficiency ...
    • Game theoretic D2D content dissemination in 4G cellular networks 

      Antonopoulos, Angelos; Kartsakli, Elli; Verikoukis, Christos (2014-06-01)
      Article
      Accés restringit per política de l'editorial
      The widespread proliferation of mobile devices has motivated Device-to-Device (D2D) communications as a means of cell offloading toward better Quality of Service (QoS) and higher energy efficiency. Although Wi-Fi networks ...
    • Game theoretic infrastructure sharing in wireless cellular network 

      Bousia, Alexandra; Kartsakli, Elli; Antonopoulos, Angelos; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (IGI Global, 2015-08)
      Capítol de llibre
      Accés restringit per política de l'editorial
      The emerging traffic demand has fueled the rapid densification of cellular networks. The increased number of Base Stations (BSs) leads to augmented energy consumption and expenditures for the Mobile Network Operators ...
    • Game-theoretic infrastructure sharing in multioperator cellular networks 

      Bousia, Alexandra; Kartsakli, Elli; Antonopoulos, Angelos; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2016-05)
      Article
      Accés obert
      The introduction of fourth-generation wireless technologies has fueled the rapid development of cellular networks, significantly increasing the energy consumption and the expenditures of mobile network operators (MNOs). ...
    • Handoff functions for a distributed queuing collision avoidance medium access control protocol for wireless LANs 

      Alonso Zárate, Luis Gonzaga; Alonso Zárate, Jesús; Kartsakli, Elli; Antonopoulos, Angelos; Verikoukis, Christos (2009)
      Comunicació de congrés
      Accés obert
    • HEH-BMAC: hybrid polling MAC protocol for WBANs operated by human energy harvesting 

      Ibarra, Ernesto; Antonopoulos, Angelos; Kartsakli, Elli; Verikoukis, Christos (2015-02-01)
      Article
      Accés obert
      This paper introduces human energy harvesting medium access control (MAC) protocol (HEH-BMAC), a hybrid polling MAC suitable for wireless body area networks powered by human energy harvesting. The proposed protocol combines ...
    • Information exchange in randomly deployed dense WSNs with wireless energy harvesting capabilities 

      Mekikis, Prodromos Vasileios; Antonopoulos, Angelos; Kartsakli, Elli; Lalos, Aristeidis; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2016-04-01)
      Article
      Accés obert
      As large-scale dense and often randomly deployed wireless sensor networks (WSNs) become widespread, local information exchange between colocated sets of nodes may play a significant role in handling the excessive traffic ...
    • Joint power-QoS control scheme for energy harvesting body sensor nodes 

      Ibarra, Ernesto; Antonopoulos, Angelos; Kartsakli, Elli; Rodrigues, Joel; Verikoukis, Christos (Institute of Electrical and Electronics Engineers (IEEE), 2014)
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      In this paper, we aim at the optimal use of the scarce energy collected by a node powered by human energy harvesting in order to improve the provided Quality of Service (QoS). To achieve this goal, we have developed a ...
    • Machine-to-machine (M2M) communications for e-health applications 

      Kartsakli, Elli; Lalos, Aristeidis; Antonopoulos, Angelos; Tennina, Stefano; Di Renzo, Marco; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (Elsevier, 2015)
      Capítol de llibre
      Accés obert
      The emerging technology of machine-to-machine (M2M) communications is bringing a paradigm shift in healthcare delivery. A broad range of e-health applications can be conceived, with considerable benefits for both patients ...
    • Multi-radio cooperative ARQ in wireless cellular networks: a MAC layer perspective 

      Alonso Zárate, Jesús; Kartsakli, Elli; Katz, Marcos; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2011-05)
      Article
      Accés obert
      Multi-Radio Cooperative Automatic Retransmission Request (MCARQ) schemes are introduced in this paper within the context of hybrid networks which combine long-range and short-range communications. Since the number ...
    • Multi-tenant slicing for spectrum management on the road to 5G 

      Vincenzi, Matteo; Antonopoulos, Angelos; Kartsakli, Elli; Vardakas, John S.; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2017-10-01)
      Article
      Accés obert
      The explosive data traffic demand in the context of the 5G revolution has stressed the need for network capacity increase. As the network densification has almost reached its limits, mobile network operators are motivated ...
    • Multiobjective auction-based switching-off scheme in heterogeneous networks: to bid or not to bid? 

      Bousia, Alexandra; Kartsakli, Elli; Antonopoulos, Angelos; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2016-11-01)
      Article
      Accés obert
      The emerging data traffic demand has caused a massive deployment of network infrastructure, including Base Stations (BSs) and Small Cells (SCs), leading to increased energy consumption and expenditures. However, the network ...
    • Multiuser MAC protocols for 802.11n wireless networks 

      Kartsakli, Elli; Zorba Barah, Nizar; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2009)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      The emerging 802.11n standard establishes the integration of MIMO technology in WLANs with the goal of achieving high data rates. However there are still many open issues regarding MAC protocol design for MIMO based systems, ...
    • Multiuser MAC schemes for high-throughput IEEE 802.11n/ac WLANs 

      Kartsakli, Elli; Zorba, Nizar; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (InTech, 2013-12)
      Capítol de llibre
      Accés obert
      In the last decade, the Wireless Local Area Network (WLAN) market has been experiencing an impressive growth that began with the broad acceptance of the IEEE 802.11 standard [1]. Given the widespread deployment of WLANs ...
    • On the feasibility of Bluetooth, Zigbee and IEEE 802.15.4 technologies on board high speed trains 

      Higuera Portilla, Jorge Eduardo; Kartsakli, Elli; Valenzuela González, José Luis; Alonso Zárate, Luis Gonzaga (2011)
      Text en actes de congrés
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      This paper studies the feasibility of using low-power wireless technologies such as Bluetooth, IEEE 802.15.4 and ZigBee in high-speed railway scenarios that involve bidirectional land-to-train communication. The presented ...
    • Opportunistic scheduling using an enhanced channel state information update scheme for WLAN systems with DQCA 

      Higuera Portilla, Jorge Eduardo; Kartsakli, Elli; Valenzuela González, José Luis; Alonso Zárate, Luis Gonzaga (Institute of Electrical and Electronics Engineers (IEEE), 2007)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      This paper studies the feasibility of using low-power wireless technologies such as Bluetooth, IEEE 802.15.4 and ZigBee in high-speed railway scenarios that involve bidirectional ground-to-train communication. The presented ...
    • Performance analysis of a cluster-based MAC protocol for wireless ad hoc networks 

      Alonso Zárate, Jesús; Kartsakli, Elli; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2010)
      Article
      Accés obert
    • Performance enhancement of DQMAN-based wireless ad hoc networks in multi-hop scenarios 

      Alonso Zárate, Jesús; Verikoukis, Christos; Kartsakli, Elli; Alonso Zárate, Luis Gonzaga (Institute of Electrical and Electronics Engineers (IEEE), 2008-05-31)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Two mechanisms to improve the performance of wireless ad hoc networks in multi-hop scenarios wherein the distributed queuing MAC protocol for mobile ad hoc networks (DQMAN) is executed are proposed and evaluated in this ...
    • Performance evaluation of a medium access control protocol for a distributed ARQ scheme in cooperative wireless networks 

      Alonso Zárate, Jesús; Giotis, P; Kartsakli, Elli; Verikoukis, Christos; Alonso Zárate, Luis Gonzaga (Institute of Electrical and Electronics Engineers (IEEE), 2008-06-30)
      Comunicació de congrés
      Accés obert
      A performance evaluation of a medium access control protocol for a distributed ARQ scheme in cooperative wireless networks is presented in this paper. The protocol under evaluation is the Persistent Relay Carrier Sensing ...
    • Persistent RCSMA: a MAC protocol for a distributed cooperative ARQ scheme in wireless networks 

      Alonso-Zárate, Jesús; Kartsakli, Elli; Verikoukis, Christos; Alonso Zárate, Luis Gonzaga (HINDAWI, 2008-04-09)
      Article
      Accés obert
      The persistent relay carrier sensing multiple access (PRCSMA) protocol is presented in this paper as a novel medium access control (MAC) protocol that allows for the execution of a distributed cooperative automatic ...