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An important issue for mobile ad hoc network is the routing protocol design. Due to frequent changes in the topology of the network this becomes a major technical challenge. Node failures and link breakages in the network may cause loss of the network resources. The authors' proposed scheme enhances the QoS parameters like network stability, efficient packet delivery ratio and network lifetime which thereby improves the reliability of the network. This routing scheme is based on backbone nodes in the network and is incorporated in the AODV protocol. It combines stable routes, battery power and signal strength of the nodes to achieve the QoS parameters.
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