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Interpersonal Proximity Detection Using RSSI-Based Techniques.

Abstract

We present an experimental study assessing the ability of two RSSI-based methods at detecting inter- personal distances shorter than 1 meter or 2 meters. The first method uses the power received from the smartphone carried by another person, while the second one measures the disparity in the power received by the two smartphones from one or more fixed BLE beacons. Our results show that use of the RSSI disparity enables discrimination results that are as good or better than using the RSSI received from another smartphone.

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