Sensor networks are composed of large number of densely deployed sensor nodes.Nodes of sensor networks are usually powered by batteries.Sensor nodes need to work in a physically insecure environment.The nodes are susc...Sensor networks are composed of large number of densely deployed sensor nodes.Nodes of sensor networks are usually powered by batteries.Sensor nodes need to work in a physically insecure environment.The nodes are susceptible to various types of active attacks namely selective forwarding and sinkhole attacks in such environment.These attacks infuse malevolent packets by compromising the node.Geographical routing protocols of wireless sensor networks have been developed without considering the security and energy aspects against these attacks.In this paper,a secured routing protocol named trust based energy aware greedy perimeter stateless routing protocol(TEGPSR)is proposed for mobile sensor networks by incorporating trust based mechanism in energy aware greedy perimeter stateless routing protocol(EGPSR).Simulation results prove that TEGPSR outperforms the EGPSR by reducing overhead and improving the delivery ratio of the networks.展开更多
文摘Sensor networks are composed of large number of densely deployed sensor nodes.Nodes of sensor networks are usually powered by batteries.Sensor nodes need to work in a physically insecure environment.The nodes are susceptible to various types of active attacks namely selective forwarding and sinkhole attacks in such environment.These attacks infuse malevolent packets by compromising the node.Geographical routing protocols of wireless sensor networks have been developed without considering the security and energy aspects against these attacks.In this paper,a secured routing protocol named trust based energy aware greedy perimeter stateless routing protocol(TEGPSR)is proposed for mobile sensor networks by incorporating trust based mechanism in energy aware greedy perimeter stateless routing protocol(EGPSR).Simulation results prove that TEGPSR outperforms the EGPSR by reducing overhead and improving the delivery ratio of the networks.
