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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

AODV-Based Backup Routing Scheme in Mobile Ad Hoc Networks

Huang, Sheng-yu 01 February 2010 (has links)
As effective routing is critical in mobile ad hoc networks (MANETs), the Ad Hoc On-demand Distance Vector (AODV) has been extensively studied in recent years. AODV is a single path routing protocol that requires a new route discovery procedure whenever a link breaks, such frequent route discoveries incur a high routing overhead and increase end-to-end delay. Therefore, by modifying the AODV protocol, this work presents a novel backup routing scheme capable of repairing disrupted links locally without activating a route re-discovery procedure. Additionally, backup paths are established based on 2-hop neighbor knowledge. These backup paths are geographically close to the primary path in order to provide efficient recovery from route failure and maintain an adequate routing length. Simulation results indicate that the proposed backup routing scheme obtains a lower average end-to-end delay and less routing overhead than those of the Ad hoc On-demand Multipath Distance Vector (AOMDV) and the conventional AODV.

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