Radio frequency recognition system and its anticollision counting method
A radio frequency identification system and radio frequency identification technology, applied in the field of radio frequency identification system and its anti-collision inventory, can solve the problem of waste of time slot in label inventory, and achieve the effect of reducing inventory time, improving inventory efficiency and overcoming waste.
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[0077] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.
[0078] image 3 It shows the flow chart of the anti-collision counting method of radio frequency identification according to the embodiment of the present invention, including the following steps:
[0079] Step S31, the reader sends an access command to the tag side, so that the tag whose counter value is 0 among the multiple tags replies;
[0080] Step S32, the reader receives the reply information of the tag within the specified time;
[0081] Step S33, if it is judged that the current time slot is an idle time slot, and the last time slot is an unrecognizable time slot of binary number splitting, then send a re-split command to the tag side to make the tag perform re-split in response to the access command;
[0082] Step S34, if it is judged that the current time slot is an identifiable time slot, or the current time slot is an ...
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