A new energy efficient multicast routing approach in MANETs

Multicasting in mobile Ad hoc networks (MANETs) is transmission of packet to a group of nodes that identified by a single address. In ad hoc networks because of the non-existence of fixed infrastructure and also unavailability of the unlimited source of energy during operation of the system, one of the common problems is the limitation of the energy consumption in each node. Therefore, offering effective ways for better usage of energy in this type of networks seems necessary. In this article an effective way for energy efficient consumption has been proposed through the introduction of the quality of service (QOS) classes for multicasting group in ODMRP1 protocol, which in turn it causes an increase in the networks life time which is one of the most important parameters in this type of networks. The simulation results show that life time of network, increase up to 5.45 percent in average. However, this improvement doesn't negative affect on other parameters. So that end-to-end delay remained fixed and the delivery rate increased. The only control overhead increase up to 1/10000 byte, which can be ignored because of the significant increase in the life time of the network.