Many applications in wireless ad-hoc networks require multicast communication. In order to provide efficient multicast, various multicast routing protocols have been designed in recent years to facilitate formation of routes between multicast senders and receivers. There has also been some work to develop a suitable MAC protocol to improve efficiency of multicast communication. In this work we have proposed a MAC protocol that can improve the efficiency of multicast communication. Our approach is based upon the concepts of IEEE 802.11 standard. In fact, we have developed a multicast extension of IEEE 802.11 protocol and evaluated its performance.

We have implemented our protocol in the popular ns-2 simulator and have performed experiments with multicast routing protocol. Our approach demonstrates superior performance in terms of packet delivery fraction as well as delay compared to the IEEE 802.11 protocol.

Shweta Jain, Samir R Das,”Multicast MAC for Wireless Multihop networks”,First International Conference on COMmunication System softWAre and MiddlewaRE (COMSWARE),New Delhi,India, January 2006 comsware.pptmulticast-comsware.pdf

• Hrishikesh Gossain, Nagesh Nandiraju, Kumar Anand, Dharma P. Agrawal: Supporting MAC Layer Multicast in IEEE 802.11 based MANETs: Issues and Solutions. LCN 2004
• Shweta Jain and Samir R. Das, “Exploiting Path Diversity in the Link Layer in Wireless Ad Hoc Networks,” a shorter version of this appeared in Proc. of the 6th IEEE WoWMoM Symposium, Taormina, Italy, June 2005

• Faculty: Samir Das
• Graduate Student: Shweta Jain

Please send all questions and comments to Shweta Jain at email.