A COMPREHENSIVE REVIEW ON IMPROVING QOS FOR VOIP IN WIRELESS MESH NETWORKS

Ramanjot Kaur Kehal

Abstract


Voice over Internet Protocol (VoIP) is one of the most important technologies in the world of communication. Around 20 years of research on VoIP, some Quality of Service (QoS) problems of VoIP are still remaining. The newly emerging wireless mesh network has fundamental difficulties in supporting VoIP applications due to the MAC overheads introduced by huge amounts of small packets. Packet aggregation is a promising application to mitigate these overheads. Packet aggregation increases the capacity of IEEE 802.11-based WMNs by aggregating small packets into larger ones and thereby reducing overhead.

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