Weight Based Inter Zone Routing Protocol in MANET

Dhivya, P.; Bhavadharini, R. M.; Kalaikumaran, T.; Karthik, S.; Srihari, K.
June 2014
Australian Journal of Basic & Applied Sciences;Jun2014, Vol. 8 Issue 9, p418
Academic Journal
Ad-hoc networks are self configuring and infrastructure less wireless networks and the mobile nodes can communicate with each other in a wireless environment. Research issues in MANETs are generally categorized into several topics such as routing, fault tolerance, power management etc. The primary goal of ad hoc network routing protocols is to provide correct and efficient route establishment between pair of nodes. So the messages may be delivered on time. Routing protocols can be classified as proactive, reactive and hybrid. Proactive routing protocols are table-driven. It maintains the entire topology of the network in the routing table. Whenever route requests are made, shortest path can be formed without any time delay. Reactive or on demand routing protocols on the other hand, discover the routes when needed. This reduces considerable routing overhead when compared to proactive routing. Hybrid protocols combine the features of both proactive and reactive routing. Consequently, routing overheads and time delay gets minimized. ZRP (Zone Routing Protocol) is one such hybrid routing protocol designed for MANET. The specific characteristics of any routing protocol consider the mobility and residual energy of a node. Mobile node in an Ad-hoc network equipped with low power battery finds difficult to send and receive data more often in the network. The relay node (i.e intermediate node) selection based on the GPSR routing increases the overhead in the network. In the proposed approach the relay node is selected based on the probability of a node. Probability will be given based on the mobility, residual energy of a node in Zone Routing Protocol (ZRP). It reduces the number of broken routes, thus improves the network performance.


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