A 50.7-Bit Retransmission-Based Chipless RFID Tag With Miniaturized Resonators

In this paper, a retransmission-based chipless RFID tag operating from 3.4 to 10 GHz is implemented. The simulation and measurement results of the multiresonator and tag are presented. By using the resonance frequency position and the quality factor of 32 resonators as two coding dimensions, the overall tag capacity of 50.7 bits is achieved. The proposed tag outperforms all reported retransmission-based tags in terms of the overall number of bits.

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