Spyridon Panagiotakis

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3rd generation mobile communication networks (3G) have been heralded as a paradigm shift that will irreversibly change the structure of the telecommunications industry. In an ideal "3G world", roaming users will be offered an abundance of value-added services typically developed by independent service providers. It is commonly recognized that the plethora(More)
The evolution of 3 rd generation mobile systems introduces a new era in advanced multimedia service provision to mobile users. The concepts of service adaptability, downloadability and network reconfigurability based on terminal and user profiles and capabilities are aspects to be considered in the context of future mobile systems and networks enabling new(More)
The success of next generation mobile networks is highly dependent on the availability of a plethora of functionality-rich applications, accessible via a variety of network infrastructures and terminals. This can be achieved through the cooperation of various business players in addition to network operators and infrastructure providers. The specification(More)
The provision of location-based services is expected to have essential impact in the competition among 3 rd Generation network operators. To support the realization of this functionality the standard UMTS infrastructure will probably need to be supplemented with additional intelligent components. Furthermore, flexible Location-based charging mechanisms have(More)
The emergence of HTML5 and other associated web technologies have turned browser applications to cross-platform and device independent ones. In particular HTML5, WebSockets and X3Dom can shape a diversity of future applications, where the client-server operations will be obsolete. The X3Dom technology combines JavaScript, HTML5 and X3D to provide 3D(More)