Abstract
mobile ad hoc network (MANET), the mobility of the ad hoc nodes can cause route failures and necessitates the new route discovery. Also the mobility can result in delay and overhead. In this paper, we propose a multi-criteria gateway selection and multipath routing protocol for hybrid MANET that considers mobility metric as one of the criterion for the selecting the gateway. For gateway selection, a combined weight value is determined based on the metrics mobility, inter and intra MANET traffic load and residual energy using simple additive weighing (SAW) technique. Among the selected path from the multiple paths, the gateway with maximum weight is selected. If such a gateway does not exist, alternate path is selected from the multi path set. By simulation results, we show that our proposed protocol is more efficient technique for gateway selection.
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