Mobility

On the Practicality of UHF RFID Fingerprinting: How Real is the RFID Tracking Problem?

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Executive Summary

In this paper, the authors demonstrate the practicality of people tracking by means of physical-layer fingerprints of RFID tags that they carry. They build a portable low-cost USRP-based RFID fingerprinter and they show, over a set of 210 EPC C1G2 tags, that this fingerprinter enables reliable identification of individual tags from varying distances and across different tag placements (wallet, shopping bag, etc.). They further investigate the use of this setup for clandestine people tracking in an example Shopping Mall scenario and show that in this scenario the mobility traces of people can be reconstructed with a high accuracy.

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