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Design of a Transceiver Antenna for Wideband Chipless RFID Tags

A chipless RFID tag is different from an ordinary RFID tag in which it does not have an IC chip inside. So chipless RFID tags have lower production costs. Under normal circumstances, in practical applications, these two kinds of labels also need to be connected to antennas to transmit and receive electromagnetic signals. However, chipless RFID tags generally operate in SHF microwave band. In this paper, a kind of disk monopole antenna is designed to receive and radiate electromagnetic wave signals in this band. The disc monopole antenna based on the microstrip line structure designed in this paper can maintain good broadband characteristics in the frequency band from 4 GHz to 10 GHz. This kind of antenna is suitable for receiving and radiating electromagnetic waves in the decimeter band.