RFID system standard

　　RFID system standard

　　The main problem with RFID systems is incompatible standards. The main manufacturers of RFID are all dedicated systems, resulting in different application scopes and different industries adopting different manufacturers' frequency and protocol standards. RFID standards are in a state of separation, and railways, highways, aviation and other fields have their own standards. This chaotic situation has affected the growth of the entire RFID industry and increased the cost when applied across industries.

　　Many organizations in Europe and the United States have already started to solve this problem and are expected to find some commonalities between competing RFID systems. In 1996, the United States began to formulate RFID standards. The "National Committee for Information Technology Standards (NCITS)" convened major RFID manufacturers and users to draft a draft of the 2.45GHz frequency for ISO adoption.

　　Just as standardization has stimulated the rapid growth and wide application of barcode technology, the cooperation of RFID manufacturers is also very important for the development and promotion of this technology.

　　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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