• Article  

      Key issues for the design and development of mobile commerce services and applications 

      Andreou, Andreas S.; Leonidou, Constantinos; Chrysostomou, Chrysostomos; Pitsillides, Andreas; Samaras, George S.; Schizas, Christos N.; Mavromoustakos, Stephanos M. (2005)
      This paper suggests a new approach for developing m-commerce services and applications based on a scheme that divides m-applications into directory- and transaction-oriented classes, identifies mobile user requirements, ...
    • Article  

      m-health e-emergency systems: Current status and future directions 

      Herscovici, N.; Christodoulou, Chris C.; Kyriacou, Efthyvoulos C.; Pattichis, Marios S.; Pattichis, Constantinos S.; Panayides, Andreas S.; Pitsillides, Andreas (2007)
      Rapid advances in wireless communications and networking technologies, linked with advances in computing and medical technologies, facilitate the development and offering of emerging mobile systems and services in the ...
    • Article  

      Medical telerobotic systems: Current status and future trends 

      Avgousti, Sotiris; Christoforou, Eftychios G.; Panayides, Andreas S.; Voskarides, Sotos Ch; Novales, Cyril; Nouaille, Laurence; Pattichis, Constantinos S.; Vieyres, Pierre P. (2016)
      Teleoperated medical robotic systems allow procedures such as surgeries, treatments, and diagnoses to be conducted across short or long distances while utilizing wired and/or wireless communication networks. This study ...
    • 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 commerce: Vision and challenges (location and its management) 

      Samaras, George S. (Institute of Electrical and Electronics Engineers Inc., 2002)
      Mobile computing is distributed computing that involves elements whose location changes in the course of computation. Elements may be software components such as mobile agents or moving objects-data or hardware such as ...
    • Article  

      Mobile computing with MPEG-21 

      Angelides, Marios C.; Sofokleous, Anastasis A.; Schizas, Christos N. (2005)
      In the field of multimedia content provision, many researchers investigate numerous techniques for adapting the content based on device, network, environment and user characteristics. In this paper, we present an MPEG-21 ...
    • Article  

      Mobile health systems: A brief overview 

      Voskarides, Sotos Ch; Pattichis, Constantinos S.; Istepanian, Robert Sh Habib; Kyriacou, Efthyvoulos C.; Pattichis, Marios S.; Schizas, Christos N. (2002)
      Rapid advances in information technology and telecommunications, and more specifically wireless and mobile communications, and their convergence (telematics) are leading to the emergence of a new type of information ...
    • Article  

      mPERSONA: Personalized portals for the wireless user: An agent approach 

      Panayiotou, Christoforos; Samaras, George S. (2004)
      The needs of the wireless and mobile user regarding information access and services are quite different than those of the desktop user. This need is not about browsing the Web but about receiving personalized services that ...
    • Conference Object  

      N3: Addressing and routing in 3D nanonetworks 

      Tsioliaridou, A.; Liaskos, Christos K.; Pachis, L.; Ioannidis, S.; Pitsillides, Andreas (Institute of Electrical and Electronics Engineers Inc., 2016)
      Wireless communication at nanoscale faces unique challenges stemming from low hardware capabilities, limited power supply and unreliable channel conditions. The present paper proposes a networking scheme that can operate ...
    • Conference Object  

      Near optimal wireless data broadcasting based on an unsupervised neural network learning algorithm 

      Vlajic, N.; Makrakis, D.; Charalambous, Charalambos D. (2001)
      Wireless Data Broadcasting (WDB) is proven to be an efficient information delivery mechanism of nearly unlimited scalability. However, successful performance of a WDB based system is not always guaranteed - it strongly ...
    • Conference Object  

      Negative-refractive-index transmission-line metamaterial-loaded dipole antennas 

      Antoniades, Marcos A.; Eleftheriades, G. V. (2012)
      Several compact, fully-printed negative-refractive-index transmission-line (NRI-TL) metamaterial-loaded dipole antennas are proposed. The antennas achieve multi-band behaviour by loading a host dipole antenna with series ...
    • Conference Object  

      Negative-refractive-index transmission-line metamaterials and enabling electromagnetic applications 

      Eleftheriades, G. V.; Grbic, A.; Antoniades, Marcos A. (2004)
      The negative-refractive-index (NRI) metamaterials, for which the permittivity and permeability are simultaneously negative, were discussed. The results for two RF/Microwave devices and structures, based on transmission-line ...
    • Conference Object  

      New fundamental profiling characteristics for designing adaptive web-based educational systems 

      Germanakos, Panagiotis; Tsianos, Nikos; Mourlas, Constantinos; Samaras, George S. (2005)
      There is a growing body of empirical evidence to suggest that users tend to make poor decisions in traditional educational systems as the navigational freedom given to the user leads to comprehension and orientation ...
    • Conference Object  

      A novel 3-d model for node and system trust 

      Hadjichristofi, G. C.; Kappos, G.; Hadjicostis, Christoforos N. (2011)
      Nowadays, there is an increasing demand for wireless and mobile networks that guarantee secure and reliable data communication among users. To enable data exchanges, authentication mechanisms need to be in place to dynamically ...
    • Conference Object  

      On a hybrid model for max-min congestion controllers 

      Lestas, Marios; Ioannou, Petros A.; Pitsillides, Andreas (2004)
      In this paper we address the congestion control problem in computer networks offering a single class of best effort service. The problem is viewed as a resource allocation problem. The objective is to distribute the available ...
    • Conference Object  

      On a hybrid model for max-min congestion controllersAAA 

      Lestas, Marios; Ioannou, Petros A.; Pitsillides, Andreas (2004)
      In this paper we address the congestion control problem in computer networks offering a single class of best effort service. The problem is viewed as a resource allocation problem. The objective is to distribute the available ...
    • Conference Object  

      On the capacity of a class of MIMO channels subject to normed uncertainty 

      Loyka, S.; Charalambous, Charalambos D. (2008)
      The compound capacity of uncertain MIMO channels is considered, when the channel is modeled by a class described by an induced norm constraint. Within this framework, two types of classes are investigated, namely, additive ...
    • Conference Object  

      On the channel capacity of wireless fading channels 

      Charalambous, Charalambos D.; Denic, S. (2002)
      The objectives of this paper are twofold. First, to point out the significance of certain results on stochastic processes in computing the channel capacity for flat fading wireless channels. Second, to design an optimal ...
    • Article  

      Optimal filtering over uncertain wireless communication channels 

      Ma, X.; Djouadi, S. M.; Charalambous, Charalambos D. (2011)
      In this letter, filtering over wireless communication channels subject to packet losses is considered. The packet losses are assumed to follow a Bernoulli distribution. The latter is interpreted as a special case of a ...
    • 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 ...