Browsing by Author "Vassiliou, Vasos"

Now showing items 1-20 of 26

    • 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  

      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 ...
    • Conference Object  

      Classifying Security Attacks in IoT Networks Using Supervised Learning 

      Ioannou, Christiana; Vassiliou, Vasos (2019)
      Machine learning models have long be proposed to detect the presence of unauthorized activity within computer networks. They are used as anomaly detection techniques to detect abnormal behaviors within the network. We ...
    • Article  

      Cooperative user-network interactions in next generation communication networks 

      Antoniou, Josephina; Lesta, Vicky Papadopoulou; Vassiliou, Vasos; Pitsillides, Andreas (2010)
      Next Generation Communication Networks employ the idea of convergence, where heterogeneous access technologies may coexist, and a user may be served by anyone of the participating access networks, motivating the emergence ...
    • Conference Object  

      A discrete event based simulation environment for enhanced UMTS 3 rd generation networks 

      Antoniou, Josephina; Vassiliou, Vasos; Pitsillides, Andreas; Hadjipollas, George; Jacovides, N. (2004)
      This paper presents a new system level simulator that has been developed to evaluate E-UMTS (Enhanced Universal Mobile Telecommunication Systems) 3G Networks. The article describes how the simulator supports different ...
    • 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 ...
    • Conference Object  

      Enhanced UMTS cellular planning for multiple traffic classes in offices scenarios 

      Cabral, O.; Velez, F. J.; Hadjipollas, George; Stylianou, Marios; Antoniou, Josephina; Vassiliou, Vasos; Pitsillides, Andreas (2006)
      It is shown that Enhanced UMTS will be an affordable solution for providing the required network quality and to reduce infrastructure investments in offices scenarios. System capacity results are obtained by using a system ...
    • Conference Object  

      Enhanced UMTS cost/revenue optimisation in offices scenarios 

      Cabral, O.; Velez, F. J.; Hadjipollas, George; Stylianoi, M.; Antoniou, Josephina; Vassiliou, Vasos; Pitsillides, Andreas (2005)
      In this paper Enhanced UMTS offices scenarios and classes of services up to wideband are taken into account. A model is proposed for optimising Enhanced UMTS based in costs and revenues. A system level simulator is used ...
    • Conference Object  

      Enhanced UMTS simulation-based planning in office scenarios 

      Cabral, O.; Velez, F. J.; Hadjipollas, George; Stylianou, Marios; Antoniou, Josephina; Vassiliou, Vasos; Pitsillides, Andreas (Institute of Electrical and Electronics Engineers Inc., 2006)
      Enhanced UMTS traffic characterisation parameters have been addressed for the offices scenario. By using a system level simulator, results concerning QoS measures as packet delay, blocking and handover failure probabilities ...
    • Article  

      A hybrid fault-tolerant algorithm for MPLS networks 

      Hadjiona, Maria; Georgiou, Chryssis; Papa, Maria; Vassiliou, Vasos (2008)
      In this paper we present a new fault tolerant, path maintaining, algorithm for use in MPLS based networks. The novelty of the algorithm lies upon the fact that it is the first to employ both path restoration mechanisms ...
    • Conference Object  

      A hybrid fault-tolerant algorithm for MPLS networks 

      Hadjiona, Maria; Georgiou, Chryssis; Vassiliou, Vasos (2006)
      In this paper we present a novel fault-tolerant algorithm for use in MPLS based networks. The algorithm is employing both protection switching and path rerouting techniques and satisfies four selected performance criteria.
    • Conference Object  

      The importance of adaptive applications in mobile wireless networks 

      Neophytou, Marios; Stavrou, Kyriakos; Vassiliou, Vasos; Pitsillides, Andreas (2006)
      In this paper, we illustrate the importance of applications' adaptability and QoS awareness in mobile wireless networks. We utilize a "Mobile QoS Adaptation" strategy aiming to deal with the inconsistencies arising from ...
    • Conference Object  

      An Intrusion Detection System for Constrained WSN and IoT Nodes Based on Binary Logistic Regression 

      Ioannou, Christiana; Vassiliou, Vasos (Association for Computing Machinery, 2018)
      In this paper we evaluate the feasibility of running a lightweight Intrusion Detection System within a constrained sensor or IoT node. We propose mIDS, which monitors and detects attacks using a statistical analysis tool ...
    • Conference Object  

      Mobility Management Solutions in Industrial Wireless Sensor Networks 

      Zinonos, Zinon; Vassiliou, Vasos (2019)
      A number of sensor network applications are envisioned to be applied to industry settings where the existence of mobile nodes (MN) is required. In critical applications, the realtime monitoring of a MN must always be ...
    • Conference Object  

      Power control for efficient multicasting in IP-based 3G and beyond mobile networks 

      Vlotomas, N.; Antoniou, Josephina; Hadjipollas, George; Vassiliou, Vasos; Pitsillides, Andreas (Institute of Electrical and Electronics Engineers Inc., 2005)
      Third generation and beyond mobile networks have brought about a demand for new services that refrain from the traditional unicast communication model. These are services demanding transmission to many receivers with ...
    • Conference Object  

      Power Counting for optimized capacity in MBMS enabled UTRAN 

      Panayides, Andreas S.; Christophorou, C.; Antoniou, Josephina; Pitsillides, Andreas; Vassiliou, Vasos (2008)
      MBMS bearer services can be provided in each cell by either Point-to-Point or Point-to-Multipoint transmission mode but for efficiency a decision has to be made between the two approaches. Initially, the fundamental criterion ...
    • Conference Object  

      Radio propagation in industrial wireless sensor network environments: From testbed to simulation evaluation 

      Zinonos, Z.; Vassiliou, Vasos; Christofides, Tasos C. (2012)
      In recent years, sensor networks characteristics have led to incremental utilization in different types of applications. Several techniques have been proposed to evaluate the performance of WSNs
    • Conference Object  

      Reliable Mobility Support for e-Health Monitoring: A Performance Evaluation 

      Zinonos, Zinon; Vassiliou, Vasos; Christodoulou, Klitos (2018)
      Applying Wireless Sensor Networks to industry settings requests the dynamic reaction of mobile nodes. In critical applications, such as, e-health monitoring of workers, the existence of a suitable protocol to efficiently ...
    • Article  

      Requirements for the transmission of streaming video in mobile wireless networks 

      Vassiliou, Vasos; Antoniou, Pavlos Ch.; Giannakou, Iraklis; Pitsillides, Andreas (2006)
      The ability to transmit video and support related real-time multimedia applications is considered important in mobile networks. Video streaming, video conferencing, online interactive gaming, and mobile TV are only a few ...
    • Article  

      Security Agent Location in the Internet of Things 

      Ioannou, Christiana; Vassiliou, Vasos (2019)
      The Internet of Things (IoT) provides the ability to extend the Internet into devices and everyday objects, in a way that they are uniquely addressable. Sensors, actuators, as well as everyday devices and objects, such as ...