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Demo: InPhase – No-Cost Phase-based Ranging and Localization in Wireless Sensor Networks
The InPhase system demonstrates phase-based ranging and localization in Wireless Sensor Networks. Our wireless sensor nodes are equipped with an off-the-shelf IEEE 802.15.4 radio transceiver with integrated Phase Measurement Unit. The Active-Reflector-Principle allows to establish a meaningful distance in meters between two sensor nodes. Based on such distance measurements, we demonstrate real-time 3D localization of a sensor node in aWireless Sensor Network by employing a particle filter. InPhase generates distance and location information at no additional hardware cost and implements all functionality in software.
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