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The General Packet Radio Service (GPRS) is a new bearer service for GSM that greatly improves and simplifies wireless access to packet data networks, e.g., to the Internet. It applies a packet radio principle to transfer user data packets in an efficient way between mobile stations and external packet data networks. This tutorial gives an introduction to(More)
– Future Personal Communication Networks (PCN), due to the growing user demand in personal communication services in combination with the ongoing development of broadband wireless air interface access technology, are expected to offer broadband multimedia services using the ATM/B-ISDN as the backbone transport network. This paper proposes a new operational(More)
A user-centric architecture of infotainment content adaptation to the context is presented. The architecture uses component technologies in term of business logic and functionalities offered by social web (OpenID, FOAF) and semantic descriptions of MPEG-7 and MPEG-21. Technological alternatives are discussed and adapted to the specificity of vehicle(More)
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