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ABSTRACT
Wireless Mesh Networks (WMNs) are a good alternative to traditional wired access networks. However, emerging applications such as voice or video over IP make high demands on WMNs. A small change of the Quality-of-Service (QoS) metrics like packet loss, delay, and jitter have a significant impact on the Quality-of-Experience (QoE), a subjective measure from the user perspective. In this paper, we present a measurement-based dynamic bandwidth control mechanism for IEEE 802.11 mesh networks. The mechanism regulates the bandwidth of best effort traffic flows according to the QoE of real time services. The results show that the QoE for real time services can be guaranteed without complete best effort flow starvation.
Published Online: 2010-01-29
Published in Print: 2009-December
