AUTHORS: Allali Mahamed Abdelmdjid, Bouali Tarek, Mekkakia Maaza Zoulikha, Senouci Sidi-Mohamed
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ABSTRACT: Routing is a crucial issue in the design of a MANET. In this paper, we specifically examine the multipath routing issue since it is typically proposed in order to increase fault tolerance and to provide trafficload and energy-consumption balancing. In fact, unbalanced traffic may lead to more delay, packet's dropping and packet delivery rate decreasing. Unbalanced energy consumption leads to node failure, network partitioning and decreases its lifetime. Accordingly, this paper proposes a new multipath routing protocol LPRAOMDV (Lifetime Prediction Routing based on the well known Ad hoc On-demand Multipath Distance Vector). The idea behind this, is to exploit the multipath mechanism in AOMDV to select the best routes according to a cost metric that we define. For this reason, we introduce a new routing technique called Lifetime Prediction Routing (LPR) which is an on demand source routing protocol that uses energy lifetime prediction. This protocol favors the path whose lifetime is the highest one. Simulation results show the good performances of LPR-AOMDV protocol using various metrics such as overhead, energy consumption and packet-delivery rate.
KEYWORDS: Energy consumption, mobile ad hoc networks, load balancing, AOMDV
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