Browsing by Author "Pitsillides, Andreas"

Now showing items 1-20 of 217

    • Conference Object  

      3D channel modeling and characterization for hypersurface empowered indoor environment at 60 GHz millimeter-wave band 

      Mehrotra, Rashi; Ansari, Rafay Iqbal; Pitilakis, Alexandros; Nie, Shuai; Liaskos, Christos K.; Kantartzis, Nikolaos V.; Pitsillides, Andreas (Society for Computer Simulation International, 2019)
      This paper proposes a three-dimensional (3D) communication channel model for an indoor environment considering the effect of the Hypersurface. The Hypersurface is a software controlled intelligent metasurface, which can ...
    • Conference Object  

      4G converged environment: Modeling network selection as a game 

      Antoniou, Josephina; Pitsillides, Andreas (2007)
      Network Selection mechanism in 4G mobile networks is a newly introduced mechanism that handles the selection of the best network to satisfy a service request. Network Selection needs to take part prior to admission of the ...
    • Conference Object  

      ABSense: Sensing Electromagnetic Waves on Metasurfaces via Ambient Compilation of Full Absorption 

      Liaskos, C.; Pirialakos, G.; Pitilakis, A.; Abadal, S.; Tsioliaridou, A.; Tasolamprou, A.; Tsilipakos, O.; Kantartzis, N.; Ioannidis, S.; Alarcon, E.; Cabellos, A.; Kafesaki, M.; Pitsillides, Andreas; Kossifos, K.; Georgiou, Julius; Akyildiz, I. F. (2019)
      Metasurfaces constitute effective media for manipulating and transforming impinging EM waves. Related studies have explored a series of impactful MS capabilities and applications in sectors such as wireless communications, ...
    • Conference Object  

      ABSense: Sensing Electromagnetic Waves on Metasurfaces via Ambient Compilation of Full Absorption 

      Liaskos, C.; Pirialakos, G.; Pitilakis, A.; Abadal, S.; Tsioliaridou, A.; Tasolamprou, A.; Tsilipakos, O.; Kantartzis, N.; Ioannidis, S.; Alarcon, E.; Cabellos, A.; Kafesaki, M.; Pitsillides, Andreas; Kossifos, K.; Georgiou, Julius; Akyildiz, I. F. (2019)
      Metasurfaces constitute effective media for manipulating and transforming impinging EM waves. Related studies have explored a series of impactful MS capabilities and applications in sectors such as wireless communications, ...
    • Article  

      Access network synthesis game in next generation networks 

      Antoniou, Josephina; Koukoutsidis, I.; Jaho, E.; Pitsillides, Andreas; Stavrakakis, I. (2009)
      In next generation communication networks, multiple access networks will coexist on a common service platform. In cases where network resource planning indicates that individual access network resources are insufficient ...
    • Article  

      Adaptive congestion control in ATM based networks: Quality of service and high utilisation 

      Pitsillides, Andreas; Lambert, J. (1997)
      To improve network utilisation and robustness for Asynchronous Transfer Mode (ATM) networks there is increasing evidence that reactive congestion controls are necessary. However the large bandwidth-delay product and the ...
    • Article  

      Adaptive congestion protocol: A congestion control protocol with learning capability 

      Lestas, Marios; Pitsillides, Andreas; Ioannou, Petros A.; Hadjipollas, George (2007)
      There is strong evidence that the current implementation of TCP will perform poorly in future high-speed networks. To address this problem many congestion control protocols have been proposed in literature which, however, ...
    • Conference Object  

      Adaptive connection admission and flow control: quality of service with high utilisation 

      Pitsillides, Andreas; Lambert, Jim (IEEE, 1994)
      In this paper, we use adaptive feedback and adaptive feedforward control methodologies to avoid congestion at high server utilisation. This addresses the combined connection admission and flow control problem (generic ...
    • Conference Object  

      Adaptive feedback algorithm for internet video streaming based on fuzzy rate control 

      Antoniou, Pavlos Ch.; Pitsillides, Andreas; Vassiliou, Vasos (2007)
      It is beyond any doubt that the unpredictable nature of the today's Internet has tremendous impact on the transmission of video streams. With respect to the real-time nature of video streaming, unpredictable band-width, ...
    • Conference Object  

      Adaptive information hovering in VANETs: Robustness and enhancements 

      Xeros, Andreas; Constantinides, Themis; Lestas, Marios; Mylonas, Yiannos; Pitsillides, Andreas; Lesta, Vicky Papadopoulou (IEEE Computer Society, 2013)
      Information hovering is relevant in vehicular ad hoc networks in cases where critical information needs to be made available to all vehicles in a bounded geographical area, called the hovering area, for a specific amount ...
    • Article  

      Adaptive network-aided session support in context-aware converged mobile networks 

      Antoniou, Josephina; Christophorou, C.; Simoes, J.; Pitsillides, Andreas (2012)
      The increase of networking complexity requires the design of new performance optimisation schemes for delivering sessions to users under different conditions. This paper addresses context-aware, adaptive multiparty sessions ...
    • Article  

      Adaptive nonlinear congestion controller for a differentiated-services framework 

      Pitsillides, Andreas; Ioannou, Petros A.; Lestas, Marios; Rossides, Loukas (2005)
      The growing demand of computer usage requires efficient ways of managing network traffic in order to avoid or at least limit the level of congestion in cases where increases in bandwidth are not desirable or possible. In ...
    • Conference Object  

      Adaptive optimization for active queue management supporting TCP flows 

      Baldi, S.; Kosmatopoulos, E. B.; Pitsillides, Andreas; Lestas, Marios; Ioannou, Petros A.; Wan, Y. (Institute of Electrical and Electronics Engineers Inc., 2016)
      An adaptive decentralized strategy for active queue management of TCP flows over communication networks is presented. The proposed strategy solves locally, at each link, an optimal control problem, minimizing a cost composed ...
    • Conference Object  

      Adaptive probabilistic flooding for Information Hovering in VANETs 

      Xeros, Andreas; Lestas, Marios; Andreou, Maria I.; Pitsillides, Andreas (2010)
      Information Hovering applies in many applications in Vehicular Ad Hoc Networks, where useful information needs to be made available to all vehicles within a confined geographical area for a specific time interval. A ...
    • Conference Object  

      Adaptive probabilistic flooding for nanonetworks employing molecular communication 

      Saeed, T.; Lestas, Marios; Pitsillides, Andreas (Institute of Electrical and Electronics Engineers Inc., 2016)
      Probabilistic flooding is a simple to implement, information dissemination scheme which is known to alleviate the broadcast storm problem. Simplicity of implementation is a critical requirement of network protocol design ...
    • Conference Object  

      Addressing network survivability issues by finding the K-best paths through a trellis graph 

      Nikolopoulos, Stavros D.; Pitsillides, Andreas; Tipper, David (IEEE, 1997)
      Due to the increasing reliance of our society on the timely and reliable transfer of large quantities of information (such as voice, data, and video) across high speed communication networks, it is becoming important for ...
    • Conference Object  

      ADIVIS: A novel adaptive algorithm for video streaming over the internet 

      Antoniou, Pavlos Ch.; Vassiliou, Vasos; Pitsillides, Andreas (2007)
      The transfer of information over the wireless networks is emerging as a promising business model. In addition, new applications require the transfer of video content in real time. However, the unpredictable nature of ...
    • Article  

      Aggregated bandwidth allocation: Investigation of performance of classical constrained and genetic algorithm based optimisation techniques 

      Pitsillides, Andreas; Stylianou, Georgios; Pattichis, Constantinos S.; Sekercioglu, Y. Ahmet; Vasilakos, Athanasios V. (2002)
      We consider a high speed integrated services network, and investigate compare and contrast the performance of two algorithms for solving the Aggregated Bandwidth Allocation (BA) problem. The algorithms we focus our attention ...
    • Conference Object  

      Analysis of probabilistic flooding in VANETs for optimal rebroadcast probabilities 

      Saeed, T.; Lestas, Marios; Mylonas, Yiannos; Pitsillides, Andreas; Lesta, Vicky Papadopoulou (Institute of Electrical and Electronics Engineers Inc., 2016)
      A number of probabilistic flooding schemes have been recently considered in VANETs to address problems of information dissemination in safety applications. The design approach has so far been simulative, a method which ...
    • Conference Object  

      Applying swarm intelligence to a novel congestion control approach for wireless sensor networks 

      Antoniou, Pavlos Ch.; Pitsillides, Andreas; Engelbrecht, A.; Blackwell, T.; Michael, Loizos (2011)
      Recently, sensor networks have attracted significant research interest. However, most studies have mainly focused on protocols for applications in which network performance assurances are not considered essential. With the ...