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In order to improve the performance of existing multicast congestion control mechanisms applied to wireless networks, in this paper, we propose an expert-control-based intelligent multicast congestion control mechanism for wireless networks, termed ECMCC. ECMCC detects the network congestion state according to network relative queuing delay and packet loss, feedbacks information to multicast source...
In real-time application area for ad hoc wireless network (AHWN), the node responds in time on requirements so that a data channel between the nodes must offer guaranteed service. End-to-end delay jitter with an upper bound is one of guaranteed services, whether or not the upper bound on end-to-end delay jitter can obtain guarantee is a key to implement effectively routing, congestion control and...
The 802.11e working group has recently proposed the hybrid coordination function (HCF) to provide service differentiation for supporting real-time transmissions over 802.11 WLANs. The HCF is made of a contention-based channel access, known as enhanced distributed coordination access, and of a HCF controlled channel access (HCCA), which requires a Hybrid Coordinator for bandwidth allocation to nodes...
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