Flooding Features for the AODV Protocol under the Different Communication Distances

In ad hoc mobile networks (MANET), the mobility and traffic patterns for each node are complicated factors that significantly affects the effectiveness and performance of ad hoc routing protocols. In this paper, we focused on the flooding performance of the AODV routing protocol using ns-2 network simulator under different communication distances, and extracted propagation property of RREQ and RREP packets. Our simulation results explored the following features. Firstly, the long distance communication assists the establishment of end-to-end communication in the sparse mobile node condition, while degrading the RREQ communication performance caused by the packet collision. Secondly, the communication distance of each density has the effective range in the average propagation rate of RREP. Thirdly, the value of TCP performance could be kept highest in density under stationary condition, given the communication distances tuned. Finally, under mobile condition, maximum range generating the high TCP performance should be tunes even under the increased RREQ packets and the occurrence of packet collisions.