Exploració per autor "Kartsakli, Elli"

Ara es mostren els items 58-74 de 74

    • 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)
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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)
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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 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)
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      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)
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      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 ...

    • QoS guarantee for wireless LAN with heterogeneous traffic 

      Alonso Zárate, Luis Gonzaga; Kartsakli, Elli; Alonso Zárate, Jesús; Verikoukis, Christos (2009)
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      Distributed Queuing Collision Avoidance (DQCA) is an efficient MAC protocol designed for infrastructure Wireless LANs. In this paper, four algorithms are proposed that alter the FIFO scheduling order of DQCA in order to ...

    • QoS-Aware energy management in body sensor nodes powered by human energy harvesting 

      Ibarra, Ernesto; Antonopoulos, Angelos; Kartsakli, Elli; Rodrigues, Joel; Verikoukis, Christos (2016-01-15)
      Article
      Accés obert
      Harvesting energy in the human environment has been identified as an effective way to charge the body sensor nodes in wireless body area networks (WBANs). In such networks, the capability of the nodes to detect events is ...

    • Reliable MAC design for ambient assisted living: moving the coordination to the cloud 

      Kartsakli, Elli; Antonopoulos, Angelos; Lalos, Aristeidis; Tennina, Stefano; Di Renzo, Marco; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2015-01)
      Article
      Accés restringit per política de l'editorial
      Ambient Assisted Living (AAL) technologies constitute a new paradigm that promises quality of life enhancements in chronic-care patients and elderly people. From a communication perspective, they involve heterogeneous ...

    • 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
      Accés obert
      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 ...

    • Saturation throughput analysis of a passive cluster-based medium access control protocol for ad hoc wireless networks 

      Alonso Zárate, Jesús; Verikoukis, Christos; Kartsakli, Elli; Cateura Díaz, Alex; Alonso Zárate, Luis Gonzaga (2008)
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      Several clustering algorithms have been proposed during the last decade within the context of ad hoc and sensor networks. They allow adding some organization to an otherwise disorganized network. Although the virtual ...

    • Sharing the small cells for energy efficient networking: how much does it cost? 

      Bousia, Alexandra; Kartsakli, Elli; Antonopoulos, Angelos; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2014)
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      The explosive data traffic demands stress the need for additional capacity in cellular systems, which can be achieved through the exploitation of Small Cells (SCs). However, the deployment of SCs implies higher energy ...

    • Stochastic modeling of wireless charged wearables for reliable health monitoring in hospital environments 

      Mekikis, Prodromos Vasileios; Antonopoulos, Angelos; Kartsakli, Elli; Passas, Nikos; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (Institute of Electrical and Electronics Engineers (IEEE), 2017)
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      As wearables provide new health-related functionalities, they can be employed in hospitals to monitor patients and notify the medical personnel regarding their status. However, in order to be approved by the medical ...

    • Throughput analysis of a medium access control protocol for a distributed cooperative ARQ scheme in wireless networks 

      Alonso Zárate, Jesús; Kartsakli, Elli; Verikoukis, Christos; Alonso Zárate, Luis Gonzaga (2008)
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      A throughput analysis of the Persistent Relay Carrier Sensing Multiple Access (PRCSMA) protocol is presented in this paper. The protocol has been designed to execute a cooperative ARQ (C-ARQ) scheme in wireless networks. ...

    • Two-tier cellular random network planning for minimum deployment cost 

      Mekikis, Prodromos Vasileios; Kartsakli, Elli; Antonopoulos, Angelos; Lalos, Aristeidis; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2014)
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      Random dense deployment of heterogeneous networks (HetNets), consisting of macro base stations (BS) and small cells (SC), can provide higher quality of service (QoS) while increasing the energy efficiency of the cellular ...

    • WSN4QoL: a WSN-oriented healthcare system architecture 

      Tennina, Stefano; Di Renzo, Marco; Kartsakli, Elli; Graziosi, Fabio; Lalos, Aristeidis; Antonopoulos, Angelos; Mekikis, Prodromos Vasileios; Alonso Zárate, Luis Gonzaga (2014-05-06)
      Article
      Accés obert
      People worldwide are getting older and this fact has pushed the need for designing new, more pervasive, and possibly cost effective healthcare systems. In this field, distributed and networked embedded systems, such as ...

    • WSN4QoL: wireless sensor networks for quality of life 

      Tennina, Stefano; Kartsakli, Elli; Lalos, Aristeidis; Antonopoulos, Angelos; Mekikis, Prodromos Vasileios; Di Renzo, Marco; Zacchia Lun, Yuriy; Graziosi, Fabio; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2013)
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      Life expectancy is projected to increase significantly in the coming years. This fact has pushed the need for designing new and more pervasive healthcare systems. In this field, distributed and networked embedded systems, ...