• Article  

      Metacomputing with mobile agents 

      Evripidou, Paraskevas; Samaras, George S. (2006)
      In this paper we present Parallel Computing with Mobile Agents (PaCMAn), a mobile agent based Metacomputer that enables its users to utilize idle resources on the internet to tackle computational problems that could not ...
    • Article  

      Mobile agents for wireless computing: The convergence of wireless computational models with mobile-agent technologies 

      Spyrou, Christiana; Samaras, George S.; Pitoura, Evaggelia 1967-; Evripidou, Paraskevas (2004)
      Wireless mobile computing breaks the stationary barrier and allows users to compute and access information from anywhere and at anytime. However, this new freedom of movement does not come without new challenges. The mobile ...
    • Conference Object  

      Mobile agents: What about them? Did they deliver what they promised? Are they here to stay? (PANEL) 

      Samaras, George S. (2004)
      Mobile Agents have brought around a new way to perform computations and develop distributed application and it is now struggling for a visible position in the area of distributed and wireless computing. This panel explores ...
    • Conference Object  

      An overview of recent health care support systems for eEmergency and mHealth applications 

      Kyriacou, Efthyvoulos C.; Pattichis, Constantinos S.; Pattichis, Marios S. (2009)
      Advances in mobile communications and medical technologies facilitate the development of emerging mobile systems and applications for healthcare. The objective of this paper is to provide an overview and the current status ...
    • Article  

      Performance aspects of data broadcast in wireless networks with user retrials 

      Vlajic, N.; Charalambous, Charalambos D.; Makrakis, D. (2004)
      The User retrial phenomenon and its significant impact on network performance in unicast wireless systems are known and relatively well studied in the literature. However, there have been no previous studies on the impact ...
    • Conference Object  

      Performance evaluation of mobile IPv6 handover extensions in an IEEE 802.11b wireless network environment 

      Lai, J.; Sekercioglu, Y. Ahmet; Jordan, N.; Pitsillides, Andreas (2006)
      In order to support mobile users, the basic Internet protocols have been extended with protocols (e.g., Mobile IPv6) for intercepting and forwarding packets to a mobile and possibly roaming node. Seamless roaming requires ...
    • Article  

      Post cardiac surgery home-monitoring system 

      Kyriacou, Efthyvoulos C.; Chimonidou, Panayiota; Pattichis, Constantinos S.; Lambrinou, Ekaterini; Barberis, Vassilis I. I.; Georghiou, Georgios P. (2011)
      One of the major factors limiting but also causing the application of modern technology in medicine is the response time to patients, should they need specialized medical care. In this work we propose a solution that is ...
    • 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  

      Preserving quality in the development of mobile commerce services and applications 

      Andreou, Andreas S.; Panayidou, D.; Andreou, Panayiotis G.; Pitsillides, Andreas (2005)
      Mobile commerce is nowadays a continuously growing area, driving the need for advances in both the network characteristics and infrastructure, as well as in the available mobile devices used. The same need requires the ...
    • Conference Object  

      Putting context in context: The role and design of context management in a mobility and adaptation enabling middleware 

      Mikalsen, M.; Floch, J.; Stav, E.; Paspallis, Nearchos; Papadopoulos, George Angelos; Ruiz, P. A. (2006)
      The operating context of mobile applications and services is constantly changing. In order to achieve higher levels of usability, mobile applications and services need to adapt to changes in context. This paper argues the ...
    • 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  

      A roadmap for research in mobile business 

      Fouskas, K. G.; Giaglis, G. M.; Kourouthanassis, P. E.; Karnouskos, S.; Pitsillides, Andreas; Stylianou, Marios (2005)
      Mobile business research has arguably grown to become one of the most topical and complex eBusiness research areas in recent years. As a result, researchers face a plethora of interdisciplinary research challenges. ...
    • Conference Object  

      A scalable hash-based mobile agent location mechanism 

      Kastidou, G.; Pitoura, Evaggelia 1967-; Samaras, George S. (Institute of Electrical and Electronics Engineers Inc., 2003)
      In this paper, we propose a novel mobile agent tracking mechanism based on hashing. To allow our system to adapt to variable workloads, dynamic rehashing is supported The proposed mechanism scales well with both the number ...
    • Conference Object  

      SenseSwarm: A perimeter-based data acquisition framework for mobile sensor networks 

      Zeinalipour-Yazdi, Constantinos D.; Andreou, Panayiotis G.; Chrysanthis, Panos K.; Samaras, George S. (2007)
      This paper assumes a set of n mobile sensors that move in the Euclidean plane as a swarm. Our objectives are to explore a given geographic region by detecting and aggregating spatio-temporal events of interest and to store ...
    • Conference Object  

      A simulation tool to evaluate radio resource management algorithms for enhanced UMTS 

      Vassiliou, Vasos; Antoniou, Josephina; Hadjipollas, George; Pitsillides, Andreas (2005)
      This paper presents a new system level simulator that has been developed to evaluate Radio Resource Management (RRM) techniques in UMTS (Universal Mobile Telecommunication Systems) and enhanced-UMTS networks. The simulator ...
    • Article  

      Stochastic differential equations for modeling, estimation and identification of mobile-to-mobile communication channels 

      Olama, M. M.; Djouadi, S. M.; Charalambous, Charalambos D. (2009)
      Mobile-to-mobile networks are characterized by node mobility that makes the propagation environment time varying and subject to fading. As a consequence, the statistical characteristics of the received signal vary continuously, ...
    • Article  

      Stochastic power control for wireless networks via SDEs: Probabilistic QoS measures 

      Charalambous, Charalambos D.; Djouadi, S. M.; Denic, S. Z. (2005)
      The power control of wireless networks is formulated using a stochastic optimal control framework, in which the evolution of the channel is described by stochastic differential equations (SDEs). The latter rapture the ...
    • Article  

      Supporting mobility events within a Hierarchical Mobile IP-over-MPLS network 

      Vassiliou, Vasos; Pitsillides, Andreas (2007)
      This paper examines mobility events, and particularly handovers in an overlay environment, where Hierarchical Mobile IP is operating over MPLS. The overlay operation is examined in detail under two scenarios and a comprehensive ...
    • Conference Object  

      Towards enabling hyper-responsive mobile apps through network edge assistance 

      Báguena, M.; Samaras, George S.; Pamboris, Andreas; Sichitiu, M. L.; Pietzuch, P.; Manzoni, P. (Institute of Electrical and Electronics Engineers Inc., 2016)
      Poor Internet performance currently undermines the efficiency of hyper-responsive mobile apps such as augmented reality clients and online games, which require low-latency access to real-time backend services. While ...
    • Conference Object  

      Using time and activity in personalization for the mobile user 

      Panayiotou, Christoforos; Andreou, Maria I.; Samaras, George S. (2006)
      Mobile clients present a new and more demanding breed of users. Solutions provided for the desktop users are often found inadequate to support this new breed of users. Personalization is such a solution. The moving user ...