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In this paper, a novel multilateral synthetic aperture secondary radar concept and its application for precise 3D localization of a robot tool center point (TCP) are introduced. A backscatter transponder is attached to the TCP of a robot. Spatially distributed FMCW secondary radar units pick up the backscattered phase coherent transponder signals. Based on assisting relative sensors, a synthetic aperture...
In this paper a concept for bounding the operation range of IEEE 802.15.4 based wireless sensors is introduced. The distance-bounding is based on a signal round-trip time of flight measurement. For the round-trip time of flight measurement two essential problems have to be solved: on the one hand the time of arrival estimation and on the other hand precise clock synchronization. In our novel approach...
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