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Mobile, ad-hoc, wireless networks offer an interesting paradigm for ubiquitous connectivity. They have many proposed applications, and with every application come new protocols. To test such protocols, one has two basic options: simulators and testbeds. The authors describe a novel wireless networks testbed called MeshTest, supporting mobile, ad-hoc, and mesh environments, with an emphasis on laboratory testing of large, outdoor environments. This paper details the testbed design, and derives mathematical relationships between attenuator settings and real-world topologies. They show how to accurately and efficiently map topologies to their testbed configuration in real time, while supporting both device mobility and multipath fading.
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