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Novel detection method for the identification range of special SAW RFID tags

The dynamic detection for radio frequency identification (RFID) system is an attractive field recently in the area of detection of the internet of things (IOT) products. The testing parameters usually include the identification rate as well as the range. In this paper, under the urgent desire of the identification range detection, a novel method by laser distance measuring sensor and spectrum analyzer is proposed for the special and unstandardized RFID tags. Meanwhile, the experimental system is designed. The experimental results show that the maximal identification range for the sample of SAW RFID tag reaches approximately 8 meters. Moreover, the anti-collision ability for this RFID system has been proved. Furthermore, both the feasibility of this proposed method and the efficiency of the detection system are verified.