Abstract
We propose an effective arrangement of packet schedulers (WFQ and FIFO) that can enhance the QoE of an audio-video streaming transmission over IP networks (typified by IPTV). Previously, the authors examined the relationship between the arrangement of WFQ and application-level QoS and observed that WFQ for all or both edge nodes leads to a high application-level QoS. Now, we have assessed the arrangement in terms of the QoE in addition to application-level QoS. The results show that WFQ on the receiver-side edge in the network satisfactorily enhances the QoE as well as the WFQ on both edges and the WFQ on all nodes. This implies that QoS control in the access network dominates QoE.
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