METHOD FOR PROVIDING IDENTIFICATION AND ACCESS WITH RESPECT TO A RADIO-FREQUENCY TAG
The invention relates to a method for providing identification and access with respect to a radio-frequency tag, and relates to a method for providing identification and access with respect to a passive radio-frequency tag in a tag population, the passive tag being configured for receiving ACK comma...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention relates to a method for providing identification and access with respect to a radio-frequency tag, and relates to a method for providing identification and access with respect to a passive radio-frequency tag in a tag population, the passive tag 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 identifying and accessing a tag, referred to as an initiating command, said initiating command comprising a slot number having a first value; if a value in aslot counter of the tag is equal to the first value, then transitioning to an Open or a Secured state, otherwise transitioning to an Arbitrate state; and in a case where the tag has transitioned to the Arbitrate state: receiving a command for repeating a tag access request, referred to as a repetition command, said command comprising a slot number having a second value, different from the first value, said second value b |
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