Context-aware control for personalized multiparty sessions in mobile multihomed systems
Proceedings of the 5th International ICST Mobile Multimedia Communications Conference
Setup and maintenance of overlay networks for multimedia services in mobile environments
MMNS'05 Proceedings of the 8th international conference on Management of Multimedia Networks and Services
Ambient networks: an architecture for communication networks beyond 3G
IEEE Wireless Communications
Journal of Ambient Intelligence and Smart Environments
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Provisioning of multimedia content to users being in different contexts (e.g. device capabilities, network conditions, location, user mode, user activity, etc.) and associated to various business models (e.g. prepaid, post-paid, session-based, etc.), challenges service providers to develop service capabilities that can be shared across all services and make use of network delivery functions more efficiently. Enabling the delivery of multimedia services following Service Oriented Architecture (SOA) paradigm is the main objective of this work. In this paper we present a set of basics elementary functions that enable efficient multimedia content delivery over various transmission modes (unicast, multicast or broadcast) and different heterogeneous networks, utilizing IP Multimedia Subsystem (IMS) to control and manage sessions, hiding therefore access dependencies and network complexity. A reference architecture is described along with implementation details that allow the integration with a converged media delivery framework. Then we present the performance of the implementation as well as the related signaling interfaces that were evaluated through a set of live measurements.