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Editor-in-chief

 
Faculty of Science, University of Brunei Darussalam, Brunei Darussalam   
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IJIEE 2012 Vol.2(3): 426-430 ISSN: 2010-3719
DOI: 10.7763/IJIEE.2012.V2.130

A Novel Backoff Algorithm with QoS Support in Heterogeneous Wireless Networks

A. Rajesh and R. Nakkeeran
Abstract—The main objective of the future networks is to provide users with always best connectivity through available different access networks. Wireless convergence has emerged as a multidimensional concept that combines networks, applications, user interfaces and management, which aimed at supporting voice, data and multimedia over IP-based networks. In this paper, we model the end-to-end quality of service (QoS) provisioning mechanisms in the wireless local area network (WLAN) and worldwide interoperability for microwave access networks (WiMAX) interworking network. For the end to end QoS guaranteed service, we make changes to multiple access protocol. The media access control (MAC) analysis using hybrid protocol based on virtual slot multiple access (VSMA) with a novel backoff mechanism is extended to the heterogeneous networks and its throughput and delay characteristics are analyzed. By the simulation results, our proposed protocol can provide the low end to end delay and improved throughput for different traffics, even though the traffic load in the network increases. Especially, the end-to-end delay of the IP based voice is smaller when the QoS parameter mappings are applied to the interworking network.

Index Terms—Backoff mechanism, medium access control, WiMAX, WLAN.

The authors are with the Department of Electronics Engineering, School of Engineering and Technology, Pondicherry Central University, Puducherry, INDIA (e-mail: rajeshatnet@gmail.com; rnakeeran@pec.edu).

[PDF]

Cite: A. Rajesh and R. Nakkeeran, "A Novel Backoff Algorithm with QoS Support in Heterogeneous Wireless Networks," International Journal of Information and Electronics Engineering vol. 2, no. 3, pp. 426-430, 2012.

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