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Securing Deployed RFIDs by Randomizing the Modulation and the Channel
(2013-01-12)
RFID cards are widely used today in sensitive applications such as access control, payment systems, and asset tracking. Past work shows that an eavesdropper snooping on the communication between a card and its legitimate ...
BigBand: GHz-Wide Sensing and Decoding on Commodity Radios
(2013-05-22)
The goal of this paper is to make sensing and decoding GHz of spectrum simple, cheap, and low power. Our thesis is simple: if we can build a technology that captures GHz of spectrum using commodity Wi-Fi radios, it will ...