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    Chapter and Conference Paper

    An Ultrasonic 3D Positioning System Using a Single Compact Receiver Unit

    We present a system that can identify positions of objects in three-dimensional space using ultrasonic communications. The proposed system uses the time of flight of ultrasonic waves to calculate the distance ...

    Masanori Sugimoto, Kan Tulathimutte, Toshio Ito in Location and Context Awareness (2009)