AN IMPROVED MAINTENANCE STRATEGY IN AD HOC ON-DEMAND ROUTING PROTOCOLS FOR MOBILE AD HOC NETWORKS

In high mobility and high traffic load network situations, the delay time is affected with high end-to-end delay in reactive routing protocols such as AODV. In this paper we proposed an enhanced receiver-based AODV (ERB-AODV) routing protocol by improving the maintenance phase in AODV. ERB-AODV protocol focuses on decreasing the end-to-end delay and the control overhead in high mobility and traffic load. The receiver node uses a controller agent to update the sender node of the current available path. The agent works depend on the history of receiving data packets. Using glomosim, the ERB-ADOV protocol outperforms the AODV protocol in high mobility and traffic load. Results show that, in high mobility, the delay is decreased by 81% and the control overhead is decreased by 77%. The delay is decreased by 91% in high traffic load, and decreases the control overhead by -77% compared with AODV protocol. These results show the improvement of network delay using the new maintenance strategy on on-demand routing protocols for MANETs.