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A wide range of emerging multimedia ser vices (e.g. IP telephony, video conferencing, video-on-demand) require Quality of Serv ices (QoS) guarantees in both wired and wireless network s. Adaptive QoS provisioning and control are especiall y necessary to meet the QoS requirements in dynamic heterogeneous multi-hop wireless networ ks. This paper proposed an adaptative mechan ism to achieve better perceptive and quantitative QoS for real-time multimedia services suit able for such networks. The mechanism is built based on the theoretical analysis of the end-to-end delay bounds and the necessary and sufficient conditions to maintain the data flow conti nuity of real-time connections.

Adaptive end-to-end QoS provision for real-time multimedia applications in heterogeneous multi-hop wireless networks