Today's reconfigurable radio systems have several interesting functionalities ranging from traditional reconfigurable systems operating at the physical layer only to fully fledged reconfigurability. Along this path we envisage a shift of perspective from a terminal-centric approach to a user-centric one. The main characteristics of this evolution are the provisioning of an unique user identity to be used over different RATs, and the increasing importance of profile information, needed to configure, customize and personalize terminal capabilities and. In this paper we i) examine a possible choice for a unique user identifier ii) propose a user profile and design a distributed approach to manage user profile information iii) introduce the "Dataweb" paradigm under standardization in the Oasis consortium and iv) show how it may be used to link all the expressed concepts
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