An adaptive approach to control broadcast traffic in wireless mesh networks based IEEE 802.11s

In wireless multi-hop networks, broadcasting by flooding generates frequent retransmissions of unnecessary packets that participate heavily in increasing contention and collision probability. These problems become increasingly likely in a wireless mesh network which can interface to other external networks, thus leading to a significant increase in broadcast traffic. In this paper we have focused on IEEE 802.11s based wireless mesh networks and we have designed a new adaptive approach based on self-pruning to control broadcast traffic forwarding. Our algorithm uses two-hop neighbor information to ascertain the forwarding decision. Simulation results show the advantages of our approach which has contributed to significantly reduce unnecessary rebroadcasts while improving average end to end delay, network load and throughput.