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The present work shows the results that have been obtained using a low-cost pedestrian system made up of a GPS receiver and an inertial platform. This positioning system could be used by rescue teams to locate hazard zones and escape routes. Our study shows how multiple sensors can be used in a non-traditional way: the inertial platform is used as an odometer (step counter) in which the magnetometers...
This paper presents a distributed fermat-point range estimation strategy, which is important in the moving sensor localization applications. The fermat-point is defined as a point which minimizes the sum of distances from three sensors inside a triangle. This point is indeed at the trianglepsilas center of gravity. We solve the problems of large errors and poor performance in the bounding box algorithm...
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