Bandwidth Aware on Demand Multipath Routing in Manets

Mobile Ad-hoc Networks (MANETs) are self configuring, decentralized and dynamic nature wireless networks which have no infrastructure. These offer a number of advantages, however the demand of high traffic flows in MANETs increases rapidly. For these demands, limited bandwidth of wireless network is the important parameter that restrains the development of real time multimedia applications. In this work, we propose a solution to utilize available bandwidth of the channel for on demand multiple disjoint paths. The approximate bandwidth of a node is used to find the available bandwidth of the path. The source chooses the primary route for data forwarding on the basis of path bandwidth. The simulation results show that the proposed solution reduces the frequency of broadcast and performs well in improving the end to end throughput, packet delivery ratio, and the end to end delay.