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General Information
Editor-in-chief
Prof. T. Hikmet Karakoc
Anadolu University, Faculty of Aeronautics and Astronautics, Turkey

IJET 2010 Vol.2(5): 442-446 ISSN: 1793-8236
DOI: 10.7763/IJET.2010.V2.162

A Joint Routing and Bandwidth Allocation Protocol for IEEE 802.16 WiMax Mesh Networks

R Murali Prasad and P. Satish Kumar
Abstract—Bandwidth allocation and routing are two important mechanisms in the provision of guaranteed QoS in wireless networks. The QoS provisioning algorithms developed in mobile ad hoc networks might not be applied directly in wireless mesh networks, since, WiMax based backhaul mesh networks have different characteristics. In this paper, to solve the routing and resource allocation issues, we propose to design a joint routing and bandwidth allocation protocol for WiMAX networks. In this protocol, a bandwidth estimation technique is combined with route discovery and setup in order to find a best route. While estimating the bandwidth, both local bandwidth and the bandwidth of all nodes within the interference range, are considered. The bandwidth estimation technique is applied on the standard on-demand routing protocol by modifying the route request and route reply packets. By simulation results, we show that the proposed protocol achieves more throughput and bandwidth utilization when compared with the existing protocol.

Index Terms—IEEE 802.16, WiMax Mesh Networks, QoS, metropolitan area networks (MANs), Route Discovery.

R Murali Prasad, Department of Electronics and Communications, MLR Institute of technology, Hyderabad (e-mail: muraliprasadphd@gmail.com).
P. Satish Kumar, Professor, Department of Electronics and Communications, MLR Institute of technology, Hyderabad

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Cite: R Murali Prasad and P. Satish Kumar, "A Joint Routing and Bandwidth Allocation Protocol for IEEE 802.16 WiMax Mesh Networks," International Journal of Engineering and Technology vol. 2, no. 5, pp. 442-446, 2010.
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