This invention describes a robot that automatically surveys an area for radio signals. It moves through a pre-planned path, measuring how much signal strength is lost between its own radio and another fixed radio. The robot also tracks its own location to create a map of signal strength across the area.
Why it matters: Filed before modern robotics and sensor fusion made autonomous navigation highly reliable and affordable. The cost and precision of integrated navigation and RF measurement systems have dramatically improved since 2005.
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