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Dynamic Source quick Route Rebuilding Algorithm for Random-access OFDMA Adhoc Network

Author(s): Sunil Jacob | Dr. R. Dhanasekaran

Journal: International Journal of Computer Applications
ISSN 0975-8887

Volume: 37;
Issue: 9;
Start page: 42;
Date: 2012;
Original page

Keywords: Cooperation ratio | OFDMA | RDF | SNR

This paper focusses on maintaining message continuity in a mobile Adhoc network. The dynamic source quick route rebuilding algorithm (DSQRRA) provides continuity in packet routing to reach the next possible neighboring node in order to avoid resending the packet from the source. DSQRRA calls for mobility management and scalable design. Mobility management is done through information exchanges between moving hosts in the Adhoc wireless network. The DSQRRA uses cooperative protocols to coordinate with the Adhoc on demand Distance Vector routine (AODV) protocol for shortest route rebuilding in Random Access OFDMA network. The algorithm gives next alternative route immediately once there is a break in the link. Simulations have been performed to analyze the performance of AODV with and without DSQRRA. The AODV with DSQRRA reduced memory occupation and route broadcasting. It has minimized packet looping. Simulations also show that DSQRRA provides quick delivery of packet from source to destination.
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