An efficient passive approach for quality of service routing in MANETs

  IJETT-book-cover  International Journal of Engineering Trends and Technology (IJETT)          
© 2011 by IJETT Journal
Volume-2 Issue-2                          
Year of Publication : 2011
Authors : D.S. Thenmozhi, Dr. M.Rajaram


D.S. Thenmozhi, Dr. M.Rajaram."An efficient passive approach for quality of service routing in MANETs". International Journal of Engineering Trends and Technology (IJETT),V2(2):61-66 Sep to Oct 2011. ISSN:2231-5381. Published by Seventh Sense Research Group.


The application of Mobile Ad hoc Networks (MANETs) has been increasing everyday. Attractive fea tures of MANETs are absence of infrastructure and d ecentralized nature. Routing protocols for mobile ad hoc networks have been explored extensively in recent years. Much of the work is aimed at finding a feasible route from a source to a destination without considering current network traffic and applicat ion requirements. This may lead to the network become overloaded due to heavy traffic and the application has no way to improve its performance under a given network traffic condition. Many applications that use MANETs include multimedia data that require Quality of Service (QoS) support for effective communication. We approach the problem of providing Quality of Service in mobile ad hoc networks by the technique of bandwidth based path finding. This paper proposes a contention aware routing algorithm that incorporates an admission control scheme which is suitable for the mobile ad hoc networks. The Ad hoc On demand Distance Vector (AODV) routing protocol provides efficient route establishment between nodes with minimal control overhead and minimal route ac quisition latency. In our work the modified AODV (M_AODV) establishes a path between the source and the destination meeting the application stipulated throughput requirement. Contention which is the inherent problem in MANET is considered effecti vely in thi s approach. M_ AODV is implemented so that additional overhead requirement will be very less. In this paper, we present a scalable and efficient contention aware routing to support QoS in ad hoc networks. Simulation results show significant performance adva ntages of our approach when compared with existing approaches.


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Mobile Ad hoc Networks (MANETs), Quality of Service, bandwidth estimation, contention, admission control.