An innovative fully printable RFID technology based on high speed time-domain reflections

• In this paper, we present an innovative, chipless and fully printable RFID technology. The proposed tag is a fully passive device. Neither power supply nor. chip assembly is required. In our design, information data is embedded in the tag as impedance mismatches along a transmission line. The RFID-reader sends a short time pulse modulated at high frequencies. The reflections due to the impedance mismatches in the tag are transmitted back and detected by the reader. A prototype of the tag has been constructed and tested. The idea has been successfully proven both by simulations and experimental measurements.

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