OAODV Routing Algorithm for Improving Energy Efficiency in MANET

Provided by: International Journal of Computer Applications
Topic: Mobility
Format: PDF
In Mobile Ad-hoc NETworks (MANETs), there is no fixed infrastructure. One of the most widely used routing protocols for an ad hoc network is the Ad hoc On Demand Distance Vector routing protocol, abbreviated as AODV. In the conventional AODV routing protocol, source node forwards RREQ (Route Request) packet to find out path to the destination node. The intermediate node having less lifetime or energy, also forwards RREQ. As lifetime expires after some time i.e. node goes down; it could not forward RREP (Route Reply) on reverse path. Hence, source node has to restart RREQ rebroadcast to communicate with destination, which results in unnecessary RREQ rebroadcast, less Packet Delivery Ratio (PDR) as well as throughput and more end to end delay.

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