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Impacts of MAC Layer on LANDY Routing Protocol Performance  

Adam Macintosh

    BiMEC, Dept. of Engineering & Design,

London South Bank University, London, SE1 0AA, UK

Email: macintoa@lsbu.ac.uk


Abstract .The aim of this paper is to investigate the impacts of MAC layer on our proposed MANET routing protocol, Local Area Network Dynamic Routing (LANDY). And to assess how the data load impacts the routing protocol performance under four different MAC layer environments. Our lightweight protocol, LANDY uses a localized routing technique which combines a unique locomotion prediction method and velocity information of mobile nodes to route packets. The protocol is capable of optimizing routing performance in advanced mobility scenarios, by reducing the control overhead and improving the data packet delivery. In this study, LANDY, DSR, GPSR, OLSR are used as the routing protocols to represent the major MANET routing algorithm techniques (Position based, Reactive, and Proactive) with default settings. OPNET simulator was used to design and build a unified simulation environment; to evaluate the performance of the different protocols proposed in the IETF, in different scenarios. Our study results indicate that the factors at the MAC layer not only impact the performance of the routing protocol, but it can even change the relative ranking between routing protocols for the same environment.
Keywords : Mobile Ad hoc network, Mobility Models, Mobility Impacts, MAC Protocol, Connectivity, OPNET
 URL: http://dx.doi.org/10.7321/jscse.v6.n2.1  

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