source：Industry News Popular：rfid fpc tag release time：2022-07-25 09:39:04 Article author：yu
The basic workflow of RFID system
The RFID system has a basic workflow. It can be seen from the workflow that the RFID system uses radio frequency to perform non-contact two-way data transmission between the reader and the electronic tag to achieve the purpose of target identification, data transmission and control. The general workflow of an RFID system is as follows:
① The reader sends a certain frequency of radio frequency signals through the transmitting antenna.
② When the electronic tag enters the working area of the reader antenna, the electronic tag antenna generates enough induced current, and the electronic tag gets energy and is activated.
③The electronic tag sends its own information through the built-in antenna.
④The reader antenna receives the carrier signal sent from the electronic tag.
⑤ The reader antenna transmits the carrier signal to the reader.
⑥ The reader demodulates and decodes the received signal, and then sends it to the upper layer of the system for related processing.
⑦ The high level of the system judges the legality of the electronic label according to the logic operation.
⑧ The high level of the system makes corresponding processing for different settings, sends out command signals, and controls the action of the actuator.
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