A Kind of Improved Congestion-Adaptive Ad-Hoc On-demand Distance Vector Routing Protocol

The Ad Hoc networks are more likely to be congested and paths are easy to fail because of the dynamic change of network topology and limited processing capability of the nodes. In order to solve these problems, this paper proposes the Improved Congestion-Adaptive Ad-Hoc On-demand Distance Vector routing protocol(ICAAODV). It presents a new method to calculate the node stability and establish a stable route by considering the calculation results. And it also uses congestion trend to calculate the congestion value of one node by cross-layer design. When judging out some nodes have congested by the cross-layer module, it establishes a bypass and split the data for achieving congestion adaptability. The simulation results show that the new ICA-AODV can improve the reliability and robustness of an Ad Hoc network