QoS Bandwidth Estimation Scheme for Delay Sensitive Applications in MANETs

Surjeet  , Arun Parkash, Rajeev Tripathi

Electronics & Communication Department, Motilal Nehru National Institute of Technology, Allahabad, India.

DOI: 10.4236/cn.2013.51001                

Abstract

For last few years, MobileAd hoc Networks (MANETs) have attracted a great interest in case of wireless and multimedia technologies. Infrastructure less nature of MANETs makes Quality of Service (QoS) provisioning very challenging and important research aspect. To find a QoS constrained route from source to destination, we should be able to effectively determine the available resources throughout the route. The routing protocol is the most integral part of any type of QoS provisioning. It has to decide which route is able to fulfill the requirement of the desired QoS for specified application. In this paper, modification has been proposed in the existing MANET protocols to get the information about total path bandwidth for delay sensitive applications. It uses modified technique for bandwidth estimation and for route maintenance. The proposed protocol is implemented and simulated using NS-2 simulator. Results of our implementation show that there is much improvement in overheads without any impact on overall end-to-end throughput.

Keywords

AODV; MANETs; NS-2; QoS

Conflicts of Interest

The authors declare no conflicts of interest.

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