Now showing items 1-20 of 51

    • 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)
      Article
      Open Access
      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, Luis; Verikoukis, Christos (MDPI, 2014-03-10)
      Article
      Open Access
      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 protocol architecture for energy efficient and pervasive eHealth systems 

      Tennina, Stefano; Di Renzo, Marco; Kartsakli, Elli; Graziosi, Fabio; Lalos, Aristeidis; Antonopoulos, Angelos; Mekikis, Prodromos Vasileios; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference report
      Restricted access - publisher's policy
      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)
      Article
      Open Access
      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 ...
    • 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)
      Conference report
      Restricted access - publisher's policy
      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, ...
    • 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)
      Conference report
      Restricted access - publisher's policy
      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, ...
    • Communication recovery with emergency aerial networks 

      Mekikis, Prodromos Vasileios; Antonopoulos, Angelos; Kartsakli, Elli; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2017-08-01)
      Article
      Open Access
      In spite of the significant advancements in wireless connectivity, the static form of the network infrastructure cannot guarantee an uninterrupted operation of the ever-growing wireless consumer electronics in emergency ...
    • Connectivity analysis in clustered wireless sensor networks powered by solar energy 

      Mekikis, Prodromos Vasileios; Kartsakli, Elli; Antonopoulos, Angelos; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (Institute of Electrical and Electronics Engineers (IEEE), 2018-04)
      Article
      Open Access
      Emerging 5G communication paradigms, such as machine-type communication, have triggered an explosion in ad-hoc applications that require connectivity among the nodes of wireless networks. Ensuring a reliable network operation ...
    • Connectivity analysis in wireless-powered sensor networks with battery-less devices 

      Mekikis, Prodromos Vasileios; Antonopoulos, Angelos; Kartsakli, Elli; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Conference report
      Restricted access - publisher's policy
      The emerging Internet of Things paradigm has triggered an explosion in ad-hoc applications that require connectivity among the nodes of wireless networks. However, the channel randomness and the random deployment of such ...
    • Connectivity of large-scale WSNs in fading environments under different routing mechanisms 

      Mekikis, Prodromos Vasileios; Kartsakli, Elli; Lalos, Aristeidis; Antonopoulos, Angelos; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Conference report
      Restricted access - publisher's policy
      As the number of nodes in wireless sensor networks (WSNs) increases, new challenges have to be faced in order to maintain their performance. A fundamental requirement of several applications is the correct transmission of ...
    • Connectivity of large-scale WSNs in fading environments under different routing Mechanisms 

      Antonopoulos, Angelos; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos; Lalos, Aristeidis; Mekikis, Prodromos Vasileios; Kartsakli, Elli (Institute of Electrical and Electronic Engineers, 2015-06-12)
      Conference lecture
      Open Access
      As the number of nodes in wireless sensor networks (WSNs) increases, new challenges have to be faced in order to maintain their performance. A fundamental requirement of several applications is the correct transmission of ...
    • Cooperation for next generation wireless networks 

      Antonopoulos, Angelos; Di Renzo, Marco; Lalos, Aristeidis; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (John Wiley & Sons, 2015-06)
      Part of book or chapter of book
      Restricted access - publisher's policy
      Fundamentals of 5G Mobile Networks provides an overview of the key features of the 5th Generation (5G) mobile networks, discussing the motivation for 5G and the main challenges in developing this new technology. This book ...
    • Cooperation incentives for multi-operator C-RAN energy efficient sharing 

      Vincenzi, Matteo; Antonopoulos, Angelos; Kartsakli, Elli; Vardakas, John; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Conference report
      Restricted access - publisher's policy
      Facing the increasing energy demands associated with the perspective of fifth generation (5G) wireless networks, the Mobile Network Operators (MNOs) are motivated to gradually convert their traditional Radio Access Network ...
    • Cooperative compressed sensing schemes for telemonitoring of vital signals in WBANs 

      Lalos, Aristeidis; Kartsakli, Elli; Antonopoulos, Angelos; Tennina, Stefano; Di Renzo, Marco; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2014)
      Conference report
      Restricted access - publisher's policy
      Wireless Body Area Networks (WBANs) are composed of various sensors that either monitor and transmit real time vital signals or act as relays that forward the received data packets to a nearby Body Node Coordinator (BNC). ...
    • Cooperative energy harvesting-adaptive MAC protocol for WBANs 

      Esteves, Volker; Antonopoulos, Angelos; Kartsakli, Elli; Puig Vidal, Manel; Miribel Català, Pere Lluís; Verikoukis, Christos (2015-06-01)
      Article
      Open Access
      In this paper, we introduce a cooperative medium access control (MAC) protocol, named cooperative energy harvesting (CEH)-MAC, that adapts its operation to the energy harvesting (EH) conditions in wireless body area networks ...
    • Cross layer access point selection mechanisms for a distributed queuing MAC protocol 

      Antonopoulos, Angelos; Alonso Zárate, Jesús; Kartsakli, Elli; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2013-07)
      Article
      Restricted access - publisher's policy
      The Distributed Queuing with Collision Avoidance (DQCA) Medium Access Control (MAC) protocol has been presented in the literature as a high-performance protocol for WLANs. Previous work regarding DQCA is focused on the ...
    • Dealing with VoIP calls during ‘busy hour’ in LTE 

      Antonopoulos, Angelos; Kartsakli, Elli; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (INTECH, 2011)
      Part of book or chapter of book
      Open Access
    • End-to-end communication challenges in M2M systems for mHealth applications 

      Kartsakli, Elli; Lalos, Aristeidis; Antonopoulos, Angelos; Tennina, Stefano; Di Renzo, Marco; Alonso Zárate, Luis Gonzaga (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference report
      Restricted access - publisher's policy
      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 ...
    • 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)
      Conference report
      Restricted access - publisher's policy
      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)
      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 ...