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In this paper, authors explore the feasibility of using Mobile Ad-hoc Networks (MANETs) for rural public safety. First, authors 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, authors design a new routing protocol, QoSAware Source Routing (QASR), to meet the QoS requirements specified by Statement of Requirements (SoR) for public safety communications. They then evaluate the performance of QASR and the well-known standard routing protocols including Adhoc 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.
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