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Reliable Distributed Local Repair Approach for Maximizing Reliability and Packet Delivery Rate in Wireless on Demand AODV Networks
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Reliable Distributed Local Repair Approach for Maximizing Reliability and Packet Delivery Rate in Wireless on Demand AODV Networks
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Journal Article
Reliable Distributed Local Repair Approach for Maximizing Reliability and Packet Delivery Rate in Wireless on Demand AODV Networks
2008
Overview
The most used protocol in Mobile Ad hoc Networks (MANETs) uses the Ad hoc On-Demand Distance Vector (AODV) routing protocol for achieving dynamic, self-organizing, and on-demand multihop routing. In AODV, wireless links may be lost occasionally because the nodes on the routing path are unreachable. Such a problem causes AODV inefficient and unreliable. For solving the problem, AODV provides a local repair mechanism for an intermediate node to find an alternative route to destination when the node detects links broken. The repair mechanism uses the broadcast-type RREQ message for discovering a repair route, which results in a large number of repair control messages and requires a large amount of power consumption for sending these messages. Therefore, in this paper we propose a unicast-type distributed local repair protocol for repairing breaks expeditiously, i.e., achieving high network reliability and utilization, less the number of control messages, and less the repair delay. Furthermore, the optimal number of hops in a neighbor table is analyzed. Numerical results indicate that the proposed approach is superior to other repair approaches in terms of successful fixing rate, control message overhead, and network utilization.
Publisher
Springer Nature B.V
