Drones relay RFID signals for inventory control

Researchers at Massachusetts Institute of Technology US (MIT) have developed a system that enables small, safe, aerial drones to read RFID tags from tens of meters away while identifying the tags’ locations with an average error of about 19 centimeters. The researchers envision that the system could be used in large warehouses for both continuous monitoring, to prevent inventory mismatches, and location of individual items, so that employees can rapidly and reliably meet customer requests.
In experiments that involved tagged objects, many of which were intentionally hidden, the system was able to localize the tags with 19-centimeter accuracy (News Item MIT, 25 August 2017).
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