Design and implementation of chipless RFID tags

This paper presents the design, simulation, and fabrication of a chip less RFID tag which depends upon the frequency. The Frequency coding techniques have been used to enhance the coding capacity of chip less RFID tags as well as to improve the radar cross section magnitude level. The proposed tag is to be printed on a Fr_4 core substrate with a thickness of 0.8mm. The resonator on the RFID acts as a knowledge bit for identification. The RFID tags are designed to sense the dielectric property of the fabric. Now, tagging technology is getting more efficient than optical barcodes. The evaluation implies that the designed tag resonates at a frequency of 2.46 GHz. The antenna gain, power, radiation pattern, directivity, and S (1, 1) are calculated using the ADS 2019 software.