Now showing items 1-20 of 20

    • 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, ...
    • 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 ...
    • 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 ...
    • 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 ...
    • 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). ...
    • 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 ...
    • 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 ...
    • Impact of correlated log-normal shadowing on two-way network coded cooperative wireless networks 

      Lalos, Aristeidis; Di Renzo, Marco; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2013-09)
      Article
      Restricted access - publisher's policy
      In this letter, we provide a novel theoretical framework for studying the effects of correlated shadowing, in the number of relays that are capable of helping two nodes (sources) to exchange their messages. The relays use ...
    • 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
      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 ...
    • 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)
      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 ...
    • Model based compressed sensing reconstruction algorithms for ECG telemonitoring in WBANs 

      Lalos, Aristeidis; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2014-12-01)
      Article
      Restricted access - publisher's policy
      Wireless Body area networks (WBANs) consist of sensors that continuously monitor and transmit real time vital signals to a nearby coordinator and then to a remote terminal via the Internet. One of the most important signals ...
    • Regularized MMSE ICI equalization for OFDM systems over doubly selective channels 

      Vlachos, Evangelos; Lalos, Aristeidis; Berberidis, Kostas (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Conference report
      Restricted access - publisher's policy
      In this work, we consider a wireless OFDM system operating over doubly selective channels, where the Doppler effect destroys the orthogonality between subcarriers and hence, results into severe intercarrier interference ...
    • 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
      Restricted access - publisher's policy
      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
      Open Access
      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 ...
    • 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)
      Conference report
      Restricted access - publisher's policy
      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 ...
    • Wireless energy harvesting in two-way network coded cooperative communications: a stochastic approach for large scale networks 

      Mekikis, Prodromos Vasileios; Lalos, Aristeidis; Antonopoulos, Angelos; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (Institute of Electrical and Electronics Engineers, 2014-04-29)
      Article
      Open Access
      In this letter, we study the performance of Network Coding (NC)-aided cooperative communications in large scale networks, where the relays are able to harvest energy emitted by wireless transmissions. In particular, we ...
    • 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
      Open Access
      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)
      Conference report
      Restricted access - publisher's policy
      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, ...