ABSTRACT
Positions of sensor nodes are essential information for many UbiComp applications. In this demo, we present an accurate but low-cost 3D localization system based on audible sound. By utilizing the tiny-size MEMS microphone and the high accuracy, lightweight synchronization technology enabled by concurrent transmission flooding (CTF), we developed a tiny and low-cost localization system with centimeter-level accuracy. Our experiment show that this system achieves an average accuracy of 5cm in a 3m × 2m × 6m room.
- M. Minami, et al. 2004. DOLPHIN: A practical approach for implementing a fully distributed indoor ultrasonic positioning system. Proc. Ubicomp 2004, 347--365.Google Scholar
- N. Dragos, et al. 2001. Ad hoc positioning system (APS) Proc. GLOBECOM, 2926--2931.Google Scholar
- F. Ferrari, et al. 2011. Efficient network flooding and time synchronization with Glossy. Proc. IPSN 2011, 73--84.Google Scholar
- M. Suzuki, et al. 2013. Low-power, end-to-end reliable collection using glossy for wireless sensor networks. Proc. VTC Spring, 1--5.Google ScholarCross Ref
- T. Schmid, et al. 2010. High-resolution, low-power time synchronization an oxymoron no more. Proc. IPSN 2010, 151--161. Google ScholarDigital Library
- J. Wendeberg, et al. 2011. Anchor-free TDOA self-localization. Proc. IPIN 2011, 1--10.Google Scholar
Index Terms
- Speaker-less sound-based 3D localization with centimeter-level accuracy
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