A Modified AODV Protocol Based on Nodes Velocity

MANET has been widely used in many fields with the development of wireless communication technology. The AODV routing protocol which is known as a well-designed protocol of MANET has received widespread attention. However, high node velocity and frequent changes of network topology pose a challenge to the classic AODV protocol. Considering the stability of link, this paper proposes an algorithm to quantify the change frequency of network topology at first. Then a modified AODV protocol based on node velocity which is named RAODV is introduced in detail for high dynamic network topology. RAODV can build a more stable link according to the node velocity and reduce the normalized overhead of routing and average end-to-end delay by prolonging routing’s survival time.

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