Adaptive Wavelet Video Filtering
COST 263 Proceedings of the Second International Workshop on Quality of Future Internet Services
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We propose an integrated end-to-end QoS management architecture for wireless networks. A broker concept combines local and distributed resource management and negotiation of QoS at different levels. By introducing QoS intervals both at application and transport level we cope with short term channel fluctuations on a wireless link. Mapping functions are provided to transform a QoS description from the user perspective to QoS parameters and negotiation at the application and network level. Incorporating media filters into the overall broker architecture allows different media codecs to be used between the source and the sinks depending on the channel conditions and link utilization while obeying user defined end-to-end QoS strategies. Automatic filter selection and filter tracking for moving mobiles under given QoS constraints is achieved by filter dealers.