Heterogeneous Signaling Framework for End-to-End QoS Support in Next Generation Networks
HICSS '05 Proceedings of the Proceedings of the 38th Annual Hawaii International Conference on System Sciences - Volume 09
Dynamic QoS Negotiation and Adaptation for Networked Virtual Reality Services
WOWMOM '05 Proceedings of the Sixth IEEE International Symposium on World of Wireless Mobile and Multimedia Networks
End-to-end QoS provisioning in mobile heterogeneous networks
IEEE Wireless Communications
Analysis of end-to-end QoS for networked virtual reality services in UMTS
IEEE Communications Magazine
IEEE Journal on Selected Areas in Communications
IEEE Journal on Selected Areas in Communications
End-to-end quality-of-service coordination for mobile multimedia applications
IEEE Journal on Selected Areas in Communications
Information Systems Frontiers
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The paper presents a model for Quality of Service (QoS) signaling for complex multimedia services in the next generation network (NGN), from establishing necessary QoS support at session setup, to further QoS modifications in response to dynamic changes during the session. The model aims to maximize user perceived quality, while taking into account constraints imposed by the user, network, and service itself. While the model is independent of the particular service and network scenario, we take a Networked Virtual Reality (NVR) service as a fairly good representative of intricate media-rich services in the NGN. We further propose a mapping onto the IP Multimedia Subsystem (IMS), as the most prominent NGN-driven part of the current Universal Mobile Telecommunications System (UMTS) architecture; and identify its possible functional enhancements for supporting services such as NVR.