Improved AODV routing protocol for wireless sensor networks and implementation using OPNET

Our society changes so fast, more and more people have focused on the study of wireless communication technique because of its scalability, low cost and continent deploy. Nowadays, both Wireless Wide Area Network and Wireless Personal Area Network has been given a lot of concern and research. Wireless Sensor Network integrated the wireless communication technique, sensor technology and computer technology, is the foundation of "The Internet of things" and tops the list of ten technology which has profound impact on human future life. WSN has been widely used on military defence, anti-terrorism, health and environmental monitoring, and it has improved the connection between human, machine and environment to a new level. Obviously, all these appalication need the WSN to be lower power consumption, rapid topology, good real-time and so on. Above all, low power consumption bears the brunt. In order to improve the performance of the network and increase the lifetime of the network, we need to lower the power consumption of sensor node in the wireless sensor network. In this paper, an improved AODV routing protocol based on minimal route cost is presented, and OPNET is used to simulate the throughput, end-to-end delay and other parameters for evaluating the performance of the wireless sensor network with the improved protocol, the simulated results show the validation of the presented improved AODV.