METHOD FOR PROVIDING IDENTIFICATION AND ACCESS WITH RESPECT TO A RADIO-FREQUENCY TAG

The method relates to a method for providing identification and access with respect to a passive radio-frequency tag (Tag 3) in a tag population (Tags 1-5), the passive tag (Tag 3) being configured for receiving ACK commands comprising an identification parameter in the form of a 16-bit number, said...

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Bibliographische Detailangaben
Hauptverfasser: Hrdy, Tomas, Jager, Martin, SPRINGER, James J
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The method relates to a method for providing identification and access with respect to a passive radio-frequency tag (Tag 3) in a tag population (Tags 1-5), the passive tag (Tag 3) being configured for receiving ACK commands comprising an identification parameter in the form of a 16-bit number, said method comprising the following steps: - receiving a command for initiating an inventory round or a command for initiating a tag access, said command comprising, as a parameter, a number comprising an identifier of a reader (Reader A) - generating a 16-bit value referred to as first or second binding handle, said first or second binding handle comprising N juxtaposed bits forming the reader identifier - backscattering said first or second binding handle - receiving an ACK command - analyzing the identification parameter of said ACK command, and in a case where said identification parameter comprises the reader identifier then ignoring said ACK command.