Now showing items 21-40 of 50

  • Energy impact of outdoor small cell backhaul in green heterogeneous networks 

    Mesodiakaki, Agapi; Adelantado Freixer, Ferran; Antonopoulos, Angelos; Kartsakli, Elli; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2014)
    Conference report
    Restricted access - publisher's policy
    Small cells (SCs) are expected to be densely deployed during the next few years to enhance the network capacity of future heterogeneous networks (HetNets). Due to their dense deployment, not all SCs are expected to have a ...
  • Enhancing quality of life with wireless sensor technology 

    Kartsakli, Elli; Antonopoulos, Angelos; Tennina, Stefano; Lalos, Aristeidis; Mekikis, Prodromos Vasileios; Alonso Zárate, Luis Gonzaga; Graziosi, Fabio; Di Renzo, Marco; Verikoukis, Christos (Institute of Electrical and Electronics Engineers (IEEE), 2013-12)
    Article
    Restricted access - publisher's policy
    A co-operative project involving both industry and academia is designing an innovative Wireless Sensor Network for more effective healthcare of elders. The median age of the world population has shown a steady increase ...
  • Evaluating cost allocation imposed by cooperative switching off in multi-operator shared HetNets 

    Oikonomakou, Maria; Antonopoulos, Angelos; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2017-12)
    Article
    Open Access
    The anticipated explosion in the total data traffic load will impose to mobile network operators (MNOs) the necessity to densify their networks to provide coverage. At the same time, since MNOs plan their networks according ...
  • Exploiting network coding for smart healthcare: scenarios and challenges sensor networks for sustainable development 

    Kartsakli, Elli; Antonopoulos, Angelos; Verikoukis, Christos (Taylor & Francis Group, 2014)
    Part of book or chapter of book
    Restricted access - publisher's policy
  • Exploiting network coding for smart healthcare: scenarios and research challenges 

    Kartsakli, Elli; Antonopoulos, Angelos; Verikoukis, Christos (2014-06-25)
    Part of book or chapter of book
    Restricted access - publisher's policy
  • Fairness in multi-operator energy sharing 

    Oikonomakou, Maria; Antonopoulos, Angelos; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (Institute of Electrical and Electronics Engineers (IEEE), 2017)
    Conference report
    Restricted access - publisher's policy
    The present paper studies fair sharing possibilities of stored renewable energy (RE) in densely populated areas among multiple mobile network operators (MNOs). The main objective is to enable MNOs, who already share their ...
  • 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)
    Conference report
    Restricted access - publisher's policy
    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
    Restricted access - publisher's policy
    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 multioperator cellular networks 

    Bousia, Alexandra; Kartsakli, Elli; Antonopoulos, Angelos; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2016-05)
    Article
    Open Access
    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). ...
  • Game theoretic infrastructure sharing in wireless cellular network 

    Bousia, Alexandra; Kartsakli, Elli; Antonopoulos, Angelos; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (IGI Global, 2015-08)
    Part of book or chapter of book
    Restricted access - publisher's policy
    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 ...
  • "Green" distance-aware base station sleeping algorithm in LTE-advanced 

    Bousia, Alexandra; Antonopoulos, Angelos; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2012)
    Conference report
    Restricted access - publisher's policy
    In this paper, we propose a switch on/off algorithm for Base Stations (BSs), which exploits the knowledge of the distance between the User Equipments (UEs) and their associated BS. Our novel approach hopes to provide ...
  • 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)
    Conference lecture
    Open Access
  • 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
    Open Access
    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, Podromos-Vasileos; Antonopoulos, Angelos; Kartsakli, Elli; Lalos, Aristeidis; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2016-04-01)
    Article
    Open Access
    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)
    Conference report
    Restricted access - publisher's policy
    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; S. Lalos, Aris; Antonopoulos, Angelos; Tennina, Stefano; Di Renzo, Marco; Alonso, Luis; Verikoukis, Christos (Elsevier, 2015)
    Part of book or chapter of book
    Open Access
    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 ...
  • 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
    Open Access
    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 ...
  • 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
    Open Access
    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 ...
  • NCMOB-MAC: a network coding-based MAC protocol with mobility support 

    Torres, Pol; Antonopoulos, Angelos; Alonso Zárate, Luis Gonzaga; Schulte, Gerrit (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference report
    Restricted access - publisher's policy
    In this paper, a novel Network Coding (NC)-aided Medium Access Control (MAC) protocol with mobility support (NCMOB-MAC) is presented. The proposed protocol is compatible with Automatic Repeat reQuest (ARQ) techniques ...
  • Network coding-aided MAC protocols for cooperative wireless networks 

    Antonopoulos, Angelos (Universitat Politècnica de Catalunya, 2012-12-17)
    Doctoral thesis
    Open Access
    The introduction of third generation (3G) technologies has caused a vast proliferation of wireless devices and networks, generating an increasing demand for high level Quality of Service (QoS). The wide spread of mobile ...