Now showing items 1-19 of 19

  • A low-complexity method for antenna selection in spatial modulation systems 

    Ntontin, Konstantinos; Di Renzo, Marco; Pérez Neira, Ana Isabel; Verikoukis, Christos (2013-11-13)
    Article
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    In this Letter, a low-complexity Euclidean distancebased method for antenna subset selection in Spatial Modulation systems is presented. The proposed method avoids the high complexity of both the optimal exhaustive ...
  • A protocol architecture for energy efficient and pervasive eHealth systems 

    Tennina, Stefano; Di Renzo, Marco; Kartsakli, Elli; Graziosi, Fabio; Lalos, Aris S.; Antonopoulos, Angelos; Mekikis, Prodromos Vasileios; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference report
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    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 ...
  • Adaptive generalized space shift keying 

    Ntontin, Konstantinos; Di Renzo, Marco; Pérez Neira, Ana Isabel; Verikoukis, Christos (2013-02-21)
    Article
    Open Access
    In this article, we propose a closed-loop precoding method for the Generalized Space Shift Keying (GSSK) modulation scheme, suitable for Multiple-Input-Single-Output (MISO) systems and denoted as adaptive GSSK (AGSSK), ...
  • Adaptive generalized space shift keying (GSSK) modulation for MISO channels: a new method for high diversity and coding gains 

    Ntontin, Konstantinos; Di Renzo, Marco; Pérez Neira, Ana Isabel; Verikoukis, Christos (2012)
    Conference report
    Open Access
    Generalized Space Shift Keying (GSSK) modulation is a recently proposed low-complexity concept for Multiple-Input- Multiple-Output (MIMO) wireless systems. GSSK modulation is a generalized version of Space Shift Keying ...
  • 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
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    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, ...
  • Antenna subset selection for spatial modulation: a novel and energy efficient single RF technique 

    Ntontin, Konstantinos; Di Renzo, Marco; Pérez Neira, Ana Isabel; Verikoukis, Christos (2013)
    Conference report
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    In this paper, we propose a closed-loop and single RF multiple-input-multiple-output (MIMO) method, particularly suitable for the Uplink of cellular systems, which is based on the low-complexity and recently devised method ...
  • 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
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    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
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    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
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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 ...
  • Error rate analysis and optimal power allocation in multiple access relay channels with analog network coding 

    Ntontin, Konstantinos; Di Renzo, Marco; Pérez Neira, Ana Isabel; Verikoukis, Christos (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference report
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    In this paper, we examine multi-source multi-relay systems that employ Analog Network Coding for which we provide a two-fold contribution: i) We derive a closed-form upper bound of the average symbol error rate (SER) ...
  • GREENET an early stage training network in enabling technologies for green radio 

    Verikoukis, Christos; Thompson, John; Rodriguez, Jonathan; Pérez Neira, Ana Isabel; Kormentzas, Georgios; Di Renzo, Marco; Alonso, Luis; Fitzek, Frank H.P.; Flogar, Andreas; Granelli, Fabrizio; Graziosi, Fabio; Christophe, Gruet; Haas, Harald (2011)
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    In this paper, we describe GREENET (an early stage training network in enabling technologies for green radio), which is a new project recently funded by the European Commission under the auspices of the 2010 Marie Curie ...
  • 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)
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    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 ...
  • On the impact of shadowing on the performance of cooperative medium access control protocols 

    Di Renzo, Marco; Alonso Zárate, Jesús; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (IEEE, 2011)
    Conference report
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    Accurate representation of the physical layer is instrumental for a sound design and optimization of Medium Access Control (MAC) protocols for cooperative wireless networks. However, the vast majority of MAC protocols ...
  • Performance analysis of antenna subset selection in space shift keying systems 

    Ntontin, Konstantinos; Di Renzo, Marco; Pérez Neira, Ana Isabel; Verikoukis, Christos (Institute of Electrical and Electronics Engineers (IEEE), 2013)
    Conference report
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    In this paper, we provide a performance analysis of closed-loop antenna subset selection in Space Shift Keying (SSK) systems. In particular, we provide a closed-form formula for the Symbol Error Rate (SER) of such systems, ...
  • Performance analysis of multistream spatial modulation with maximum-likelihood detection 

    Ntontin, Konstantinos; Di Renzo, Marco; Pérez Neira, Ana Isabel; Verikoukis, Christos (2013)
    Conference report
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    In this paper, we provide a theoretical analysis of the optimal Maximum-Likelihood (ML) detector for the recently proposed multistream Spatial Modulation (SM) concept for multiple-input-multiple-output (MIMO) systems. ...
  • Towards the performance and energy efficiency comparison of spatial modulation with conventional single-antenna transmission over generalized fading channels 

    Ntontin, Konstantinos; Di Renzo, Marco; Pérez Neira, Ana Isabel; Verikoukis, Christos (2012)
    Conference report
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    In this paper, we present a performance and energy efficiency comparison of the recently devised single RF Multiple- Input-Multiple-Output (MIMO) concept of Spatial Modulation (SM) with the conventional single-antenna ...
  • 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
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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, ...