Browsing by Subject "Ad hoc networks"

Now showing items 1-20 of 26

    • 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  

      Adjourn state concurrency control avoiding time-out problems in atomic commit protocols 

      Obermeier, S.; Böttcher, S.; Hett, M.; Chrysanthis, Panos K.; Samaras, George S. (2008)
      The use of atomic commit protocols in mobile ad-hoc networks involves difficulties in setting up reasonable timeouts for aborting a pending distributed transaction. This paper presents the non-blocking Adjourn State, a ...
    • Conference Object  

      Bilateral routing in emergency response networks 

      Kolios, Panayiotis; Pitsillides, Andreas; Mokryn, O. (IEEE Computer Society, 2013)
      An emergency response networking scenario is considered, in which immediately after the strike of a disaster, mobile terminals autonomously form an ad-hoc network. Distress nodes, use this network to disseminate help-requests ...
    • Article  

      Blocking reduction for distributed transaction processing within MANETs 

      Obermeier, S.; Böttcher, S.; Hett, M.; Chrysanthis, Panos K.; Samaras, George S. (2009)
      Atomic commit protocols for distributed transactions in mobile ad-hoc networks have to consider message delays and network failures. We consider ad-hoc network scenarios, in which participants hold embedded databases and ...
    • Article  

      Caching dynamic information in vehicular ad hoc networks 

      Loulloudes, Nicholas; Pallis, George C.; Dikaiakos, Marios D. (2010)
      Recent advances in VANET technologies have propelled the development and deployment of a wide variety of Vehicular Information Systems (VIS) to vehicles. Such systems provide real-time, crucial information, to drivers, ...
    • Conference Object  

      Control of feedback systems subject to the finite rate constraints via the shannon lower bound 

      Charalambous, Charalambos D.; Farhadi, A. (2007)
      This paper is concerned with control of stochastic systems subject to limited feedback channel capacity. Specifically, the design of an encoder, decoder, and controller subject to the mean square observability and ...
    • Conference Object  

      The Dynamics of Vehicular Networks in Large-Scale Urban Environments 

      Loulloudes, Nicholas; Pallis, George C.; Dikaiakos, Marios D. (Institute of Electrical and Electronics Engineers Inc., 2016)
      Vehicular Ad hoc Networks (VANETs) have emerged as a platform to support Intelligent Transportation Applications. A key to the development of protocols and services for IVC lies in the knowledge of the topological ...
    • Conference Object  

      Employing the flocking behavior of birds for controlling congestion in autonomous decentralized networks 

      Antoniou, Pavlos Ch.; Pitsillides, Andreas; Blackwell, T.; Engelbrecht, A. (2009)
      Recently a great emphasis has been given on autonomous decentralized networks (ADNs) wherein constituent nodes carry out specific tasks collectively. Their dynamic and constrained nature along with the emerging need for ...
    • Article  

      Evaluating a dependable sharable atomic data service on a planetary-scale network 

      Georgiou, Chryssis; Hadjiprocopiou, N.; Musiał, Peter M. (2009)
      Practical implementations of atomically consistent read/write memory service are important building blocks for higher level applications. This is especially true when data accessibility and survivability are provided by a ...
    • Article  

      Finding the K highest-ranked answers in a distributed network 

      Zeinalipour-Yazdi, Constantinos D.; Vagena, Zografoula; Kalogeraki, Vana; Gunopulos, Dimitrios; Tsotras, Vassilis J.; Vlachos, Michail; Koudas, Nick; Srivastava, D. (2009)
      In this paper, we present an algorithm for finding the k highest-ranked (or Top-k) answers in a distributed network. A Top-K query returns the subset of most relevant answers, in place of all answers, for two reasons: (i) ...
    • Conference Object  

      Information hovering in vehicular ad-hoc networks 

      Xeros, Andreas; Lestas, Marios; Andreou, Maria I.; Pitsillides, Andreas; Ioannou, Petros A. (2009)
      Information Hovering is a relatively new concept of information dissemination over a mobile set of peers. It naturally applies in many applications in Vehicular Ad-Hoc Networks, where useful information needs to be made ...
    • Conference Object  

      Integrated platform for autonomic computing 

      Panayiotou, Christoforos; Fytros, E.; Tsetsos, V.; Samaras, George S.; Hadjiefthymiades, S.; Piquet, D. (2009)
      IPAC (Integrated Platform for Autonomic Computing) aims at delivering a middleware and service creation environment for developing embedded, intelligent, collaborative, context-aware services in mobile nodes. IPAC relies ...
    • Article  

      Location-aware services over vehicular ad-hoc networks using car-to-car communication 

      Dikaiakos, Marios D.; Florides, A.; Nadeem, T.; Iftode, L. (2007)
      Recent advances in wireless inter-vehicle communication systems enable the establishment of Vehicular Ad-hoc Networks (VANET) and create significant opportunities for the deployment of a wide variety of applications and ...
    • Conference Object  

      Minimizing interference in unmanaged environments of densely deployed wireless access points using a graphical game model 

      Antoniou, Josephina; Lesta, Vicky Papadopoulou; Libman, L.; Pitsillides, Andreas (2012)
      Urban residential areas are becoming increasingly dense with more and more wireless home networks being deployed in close proximity. Considering that in such a dense urban residential area, each unit has its own wireless ...
    • Article  

      Nature inspired node density estimation for molecular nanonetworks 

      Saeed, T.; Lestas, Marios; Pitsillides, Andreas (2017)
      The problem of estimating the node density in ad hoc networks is a significant one for protocol design. In molecular nanonetworks, the node density estimation problem poses additional challenges due to the limited processing ...
    • Conference Object  

      On the evaluation of caching in Vehicular Information Systems 

      Loulloudes, Nicholas; Pallis, George C.; Dikaiakos, Marios D. (2010)
      VANETs have been envisioned as an infrastructure for deploying Vehicular Information Systems (VIS) that among others provide drivers with an up-to-date view on the prevailing traffic conditions. In this work we evaluate ...
    • Conference Object  

      On the structure and evolution of vehicular networks 

      Pallis, George C.; Katsaros, Dimitrios S.; Dikaiakos, Marios D.; Loulloudes, Nicholas; Tassiulas, L. (2009)
      Vehicular ad hoc networks have emerged recently as a platform to support intelligent inter-vehicle communication and improve traffic safety and performance. The road-constrained and high mobility of the vehicles, their ...
    • Conference Object  

      Real-time graph visualization tool for vehicular ad-hoc networks: (VIVAGr: VIsualization tool of VAnet Graphs in real-time) 

      Spanakis, E.; Efstathiades, Christodoulos; Pallis, George C.; Dikaiakos, Marios D. (2011)
      In this work we describe VIVAGr, a graphical-oriented real time visualization tool for vehicular ad-hoc network connectivity graphs. This tool enables the effective synthesis of structural, topological, and dynamic ...
    • Article  

      Speed adaptive probabilistic flooding for vehicular ad hoc networks 

      Mylonas, Yiannos; Lestas, Marios; Pitsillides, Andreas; Ioannou, Petros A.; Lesta, Vicky Papadopoulou (2015)
      A significant issue in vehicular ad hoc networks (VANETs) is the design of an effective broadcast scheme that can facilitate the fast and reliable dissemination of emergency warning messages in the vicinity of an unexpected ...
    • Article  

      Speed adaptive probabilistic flooding for vehicular ad hoc networksAAA 

      Mylonas, Yiannos; Lestas, Marios; Pitsillides, Andreas; Ioannou, Petros A.; Lesta, Vicky Papadopoulou (2015)
      A significant issue in vehicular ad hoc networks (VANETs) is the design of an effective broadcast scheme that can facilitate the fast and reliable dissemination of emergency warning messages in the vicinity of an unexpected ...