Radio frequency fingerprinting to detect fraudulent radio frequency identification tags
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United States of America Patent
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N/A
Issued Date -
Aug 17, 2006
app pub date -
Jan 28, 2005
filing date -
Jan 28, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A method of authenticating the identity of an RFID device having a tag identifier stored therein. The tag identifier for the RFID device is recorded along with an RF fingerprint for the RFID device. When the RFID device is interrogated a response is received from the interrogated RFID device. An RF fingerprint is determined form the response and the received response including the RF fingerprint associated with the response is compared to an expected RF fingerprint previously known to be associated with the RFID device being interrogated.
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