Exploració per autor "Antonopoulos, Angelos"Més informació

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    • 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)
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      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, ...

    • 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)
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      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 ...

    • Energy sharing and trading in multi-operator heterogeneous network deployments 

      Oikonomakou, Maria; Antonopoulos, Angelos; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (Institute of Electrical and Electronics Engineers (IEEE), 2019-05-01)
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      With a view to the expected increased data traffic volume and energy consumption of the fifth generation networks, the use of renewable energy (RE) sources and infrastructure sharing have been embraced as energy and ...

    • Energy-efficient infrastructure sharing in multi-operator mobile networks 

      Antonopoulos, Angelos; Kartsakli, Elli; Bousia, Alexandra; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2015-05-01)
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      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 ...

    • 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)
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      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)
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      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)
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    • Exploiting network coding for smart healthcare: scenarios and research challenges 

      Kartsakli, Elli; Antonopoulos, Angelos; Verikoukis, Christos (2014-06-25)
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    • Fairness in multi-operator energy sharing 

      Oikonomakou, Maria; Antonopoulos, Angelos; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (Institute of Electrical and Electronics Engineers (IEEE), 2017)
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      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)
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      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
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      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)
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      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)
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      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). ...

    • "Green" distance-aware base station sleeping algorithm in LTE-advanced 

      Bousia, Alexandra; Antonopoulos, Angelos; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2012)
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      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)
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    • 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
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      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)
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      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 consideration of content popularity and size in device-to-device caching scenarios 

      Kollias, Georgios; Antonopoulos, Angelos (Institute of Electrical and Electronics Engineers (IEEE), 2020)
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      Content caching has been considered by both academia and industry as an efficient solution to tackle the problem of the back-haul becoming the bottleneck in the service of users in future heterogeneous cellular networks. ...

    • 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)
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      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 ...