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In this paper, the authors design a network of Small Unmanned Aerial Vehicles (SUAVs) for passive location of RF emitters. Each small UAV is equipped with multiple Electronic Surveillance (ES) sensors to provide local mean distance estimation based on the Received Signal Strength Indicator (RSSI). Fusion center will determine the location of the target via UAV triangulation. Different with the previous existing studies, their method is on a basis of an empirical path loss and log-normal shadowing model, from a wireless communication and signal processing vision to offer an effective solution.
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