A multicast routing tree algorithm with minimum energy in MANET

MANET mesh-based multicast routing protocols cost much more overhead because of redundant packet forwarding. Considering limited energy of wireless nodes, this paper presents an energy efficient multicast routing tree algorithm, which had the least forwarding nodes. The algorithm was proved to be a minimum cost routing tree algorithm in wireless network. Also, a practical distributed version of the algorithm was presented. Simulation comparisons show that improved ODMRP by the distributed algorithm has a distinct decrease in transmission number, which is close relative to energy consumption. It is especially obvious when there are more multicast receivers in MANET.