• Conference Object  

      ICT systems and services for Ageing Well: Identification and assessment of an important set (package) of ICT services for active ageing and independent living 

      Christophorou, C.; Georgiadis, Dimosthenis; Andreou, Panayiotis G.; Kleanthous, Styliani; Cereghetti, D. M.; Meijers, J.; Christodoulou, Eleni; Samaras, George S. (Springer Verlag, 2016)
      Currently, the main care model for supporting elderly people living alone at home is based on informal and formal caregivers assistance. Considering the demographic changes of older population, which increases rapidly, ...
    • Conference Object  

      A NEHO based MBMS handover control approach 

      Christophorou, C.; Pitsillides, Andreas (2008)
      Handover Control is one of the essential means to guarantee the continuity of mobile services to a user traveling in a cellular infrastructure, without interruption. In previous work we illustrated that using the current ...
    • Conference Object  

      An enhanced MBMS service provision approach for improved performance in UTRAN 

      Christophorou, C.; Pitsillides, Andreas (2011)
      As currently specified by 3GPP for UMTS, MBMS services are provided within a cell, either by P-t-P or by P-t-M transmission mode, but not both at the same time. Our previous work highlighted the inefficiencies that can ...
    • Conference Object  

      An enhanced radio resource allocation approach for efficient MBMS service provision in UTRAN 

      Christophorou, C.; Pitsillides, Andreas; Vassiliou, Vasos (2008)
      As currently specified by 3GPP, MBMS (Multimedia Broadcast Multicast Service) content can be provided in a cell by either Point-to-Point (P-t-P) or Point-to-Multipoint (P-t-M) transmission mode, but not both at the same ...
    • Article  

      Conference general chairs' welcome message 

      Chrysanthis, Panos K.; Samaras, George S. (2005)
    • Article  

      Algorithmic mechanisms for reliable master-worker internet-based computing 

      Christoforou, Evgenia; Fernández Anta, Antonio; Georgiou, Chryssis; Mosteiro, Miguel A. (2014)
      We consider Internet-based master-worker computations, where a master processor assigns, across the Internet, a computational task to a set of untrusted worker processors, and collects their responses. Examples of such ...
    • Article  

      Brief announcement: Algorithmic mechanisms for internet-based computing under unreliable communication 

      Christoforou, Evgenia; Fernández Anta, Antonio; Georgiou, Chryssis; Mosteiro, Miguel A. (2011)
      This work, using a game-theoretic approach, considers Internet-based computations, where a master processor assigns, over the Internet, a computational task to a set of untrusted worker processors, and collects their ...
    • Article  

      Achieving reliability in master-worker computing via evolutionary dynamics 

      Christoforou, Evgenia; Fernández Anta, Antonio; Georgiou, Chryssis; Mosteiro, Miguel A.; Sánchez, A. (2012)
      This work considers Internet-based task computations in which a master process assigns tasks, over the Internet, to rational workers and collect their responses. The objective is for the master to obtain the correct task ...
    • Article  

      Reputation-based mechanisms for evolutionary master-worker computing 

      Christoforou, Evgenia; Fernández Anta, Antonio; Georgiou, Chryssis; Mosteiro, Miguel A.; Sánchez, A. (2013)
      We consider Internet-based Master-Worker task computing systems, such as SETI@home, where a master sends tasks to potentially unreliable workers, and the workers execute and report back the result. We model such computations ...
    • Article  

      Crowd Computing as a Cooperation Problem: An Evolutionary Approach 

      Christoforou, Evgenia; Fernández Anta, Antonio; Georgiou, Chryssis; Mosteiro, Miguel A.; Sánchez, A. (2013)
      Cooperation is one of the socio-economic issues that has received more attention from the physics community. The problem has been mostly considered by studying games such as the Prisoner's Dilemma or the Public Goods Game. ...
    • Conference Object  

      Brief announcement: Achieving reliability in master-worker computing via evolutionary dynamics 

      Christoforou, Evgenia; Fernández Anta, Antonio; Georgiou, Chryssis; Mosteiro, Miguel A.; Sanchez, A. (2012)
      This work considers Internet-based task computations in which a master process assigns tasks, over the Internet, to rational workers and collect their responses. The objective is for the master to obtain the correct task ...
    • Article  

      An online and real-time fault detection and localization mechanism for network-on-chip architectures 

      Chrysanthou, Kypros; Englezakis, Panayiotis; Prodromou, Andreas; Panteli, Andreas; Nicopoulos, Chrysostomos A.; Sazeides, Yiannakis; Dimitrakopoulos, Giorgos N. (2016)
      Networks-on-Chip (NoC) are becoming increasingly susceptible to emerging reliability threats. The need to detect and localize the occurrence of faults at runtime is steadily becoming imperative. In this work, we propose ...
    • Conference Object  

      Viewspace partitioning of densely occluded scenes 

      Chrysanthou, Yiorgos L.; Cohen-Or, Daniel; Zadicario, Eyal (ACM, 1998)
      Computing the visibility of out-door scenes is often much harder than of in-door scenes. The difficulty is that although the majority of objects are hidden, some parts might be visible at a distance in an arbitrary location, ...
    • Doctoral Thesis  

      Shadow computation for 3D interaction and animation. 

      Chrysanthou, Yiorgos L. (University of London, 1996)
    • Conference Object  

      An efficient handover algorithm for MBMS enabled 3G mobile cellular networks 

      Christophorou, C.; Pitsillides, Andreas (2006)
      With the introduction of Multimedia Broadcast Multicast Service (MBMS) in 3rd Generation (3G) Networks, the Radio Network Controller (RNC) for radio efficiency reasons can use either Dedicated or Common resources to ...
    • Conference Object  

      CelEc framework for reconfigurable small cells as part of 5G ultra-dense networks 

      Christophorou, C.; Pitsillides, Andreas; Akyildiz, I. F. (Institute of Electrical and Electronics Engineers Inc., 2017)
      This paper proposes the Cella Ecosystem (CelEc) concept for emerging 5G ultra dense Networks, to evolve and supplement the Mobile Radio Network by using the crowd's User Equipments (UEs), densely distributed in our physical ...
    • Conference Object  

      MBMS Handover Control for efficient multicasting in IP-based 3G mobile networks 

      Christophorou, C.; Pitsillides, Andreas (2006)
      Handover Control in a cellular infrastructure aims to provide continuity of mobile services to a user traveling over cell boundaries. So far, Handover Control is considered only between cells supporting the service using ...
    • Article  

      Enhanced radio resource management algorithms for efficient MBMS service provision in UTRAN 

      Christophorou, C.; Pitsillides, Andreas; Lundborg, T. (2011)
      As currently specified by 3GPP, Multimedia Broadcast Multicast Service (MBMS) bearer services can be provided within a cell either by Point-to-Point (P-t-P) or Point-to-Multipoint (P-t-M) transmission mode, but not both ...
    • Conference Object  

      Handover control in MBMS enabled 3G mobile cellular networks 

      Christophorou, C.; Pitsillides, Andreas; Binucci, N. (2007)
      Handover Control in a cellular infrastructure aims to provide continuity of mobile services to a user traveling over cell boundaries. Using the existing Handover Control algorithm in 3rd Generation (3G) Mobile Cellular ...
    • Conference Object  

      Measurement of ultrasonic diaphragmatic motion 

      Chrysostomou, Chrysostomos; Loizou, Christos P.; Minas, G.; Delibasis, Konstantinos K.; Pattichis, Constantinos S. (Institute of Electrical and Electronics Engineers Inc., 2015)
      The motion characteristics of the diaphragmatic muscle may provide useful information about normal and abnormal diaphragmatic function and indicate diaphragmatic weakness. The objective of this paper was to introduce a ...