Quality adaptation in a multisession multimedia system: model, algorithms, and architecture
Quality adaptation in a multisession multimedia system: model, algorithms, and architecture
Enhancing End-to-End QoS for Multimedia Streaming in IMS-Based Networks
ICSNC '07 Proceedings of the Second International Conference on Systems and Networks Communications
A data specification model for multimedia QoS negotiation
Proceedings of the 3rd international conference on Mobile multimedia communications
An Enhanced IMS Architecture Featuring Cross-Layer Monitoring and Adaptation Mechanisms
ICAS '09 Proceedings of the 2009 Fifth International Conference on Autonomic and Autonomous Systems
QoS control in the 3GPP evolved packet system
IEEE Communications Magazine
IEEE Wireless Communications
Optimal adaptation decision-taking for terminal and network quality-of-service
IEEE Transactions on Multimedia
Application-Level QoS Negotiation and Signaling for Advanced Multimedia Services in the IMS
IEEE Communications Magazine
End-to-end quality-of-service coordination for mobile multimedia applications
IEEE Journal on Selected Areas in Communications
DataTraffic Monitoring and Analysis
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A key challenge for Next Generation Networks (NGN) is providing support for the negotiation and dynamic adaptation of Quality of Service (QoS) parameters. In this paper we propose a novel QoS Matching and Optimization Function (Q-MOF) to be included along the signaling path with the purpose of providing advanced service-level QoS matching and optimization logic for multimedia services being delivered to heterogeneous end users and access networks. The Q-MOF is introduced in the NGN architecture as a generic functionality, allowing for it to be reused by services requiring advanced QoS support. We illustrate Q-MOF applicability in a case study involving an audio/video streaming session between two users.