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General Information
Editor-in-chief
Prof. Wael Badawy
Department of Computing and Information Systems Umm Al Qura University, Canada
I'm happy to take on the position of editor in chief of IJCTE. We encourage authors to submit papers concerning any branch of computer theory and engineering.
IJCTE 2012 Vol.4(4): 570-574 ISSN: 1793-8201
DOI: 10.7763/IJCTE.2012.V4.534

A Predictive Route Maintenance Protocol Based on Signal Strength for Dense Ad Hoc Networks

Sharmila Sankar and V. Sankaranarayanan
Abstract—Ad hoc wireless networks consist of mobile network without base stations, and are characterized by a host in a highly dynamic network topology. The topology changes frequently due to host migration, signal interference and power outages, making the route maintenance a challenging consideration in designing routing protocols. Most of the existing protocols perform an end-to-end route discovery to establish a new connection for the communication during link breaks. Such route repair mechanism causes high control overhead and long packet delay in a dense network. In this paper, we propose an enhanced proactive route maintenance protocol, where a node that is likely to cause link error, as a preventive measure, hands off routing information to a new node by monitoring the signal strength of the received signals. The proposed protocol aims to reduce the probability of route breakage and hence reduces the control overhead and latency, and increases the packet delivery ratio. Through simulation, we show that the proposed protocol is simple, robust and effective.

Index Terms—Dense MANETs, RSSI, link stability, apriori maintenance.

The authors are with the B S Abdur Rahman University, India (e-mail: sharmilasankar@yahoo.com).

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Cite: Sharmila Sankar and V. Sankaranarayanan, "A Predictive Route Maintenance Protocol Based on Signal Strength for Dense Ad Hoc Networks," International Journal of Computer Theory and Engineering vol. 4, no. 4, pp. 570-574, 2012.
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