QoS enhancement and performance evaluation of ad-hoc routing protocols for rural public safety

Authors:
Chad Bohannan;Li Zhang;Jian Tang;Richard S. Wolff;Shen Wan;Neeraj Gurdasani;Doug Galarus
Affiliations:
Department of Computer Science, Montana State University, Bozeman, MT;Department of Computer Science, Montana State University, Bozeman, MT;Department of Computer Science, Montana State University, Bozeman, MT;Department of Electrical and Computer Engineering, Montana State University, Bozeman, MT;Department of Computer Science, Montana State University, Bozeman, MT;Department of Computer Science, Montana State University, Bozeman, MT;Western Transportation Institute, Montana State University, Bozeman, MT
Venue:
ICC'09 Proceedings of the 2009 IEEE international conference on Communications
Year:
2009

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Abstract

In this paper, we explore the feasibility of using Mobile Ad-hoc Networks (MANETs) for rural public safety. First, we discuss a QoS enhancement to a standard routing protocol, Dynamic Source Routing (DSR). By incorporating a new routing metric and the available bandwidth and delay estimation algorithms with DSR, we design a new routing protocol, QoS-Aware Source Routing (QASR), to meet the QoS requirements specified by Statement of Requirements (SoR) for public safety communications. We then evaluate the performance of QASR and the well-known standard routing protocols including Ad-hoc On-demand Distance Vector (AODV) and DSR based on real public safety scenarios using the OPNET modeler at the 4.9GHz public safety spectrum band. Simulation results show that QASR significantly outperforms DSR and AODV in terms of various performance metrics.