Multibit Chipless RFID Tags Based on the Transition Among Closed- and Open-Loop Resonators
| Autor: | Ali Kursad Gorur, Adnan Görür, Engin Dogan, Ceyhun Karpuz, Gizem Ayas |
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| Rok vydání: | 2022 |
| Předmět: |
System
dual mode Topology Codes Resonator Radio-frequency identification Resonators Electrical and Electronic Engineering Wideband Chipless radio frequency identification (RFID) tag open-loop resonator (OLR) Electronic circuit Resonant frequency Coupling Physics Radiation frequency code business.industry Transmitter Open-loop controller Condensed Matter Physics RLC circuits Chipless RFID Antenna Encoding RFID tags business Microwave |
| Zdroj: | IEEE Transactions on Microwave Theory and Techniques. 70:101-111 |
| ISSN: | 1557-9670 0018-9480 |
| DOI: | 10.1109/tmtt.2021.3122795 |
| Popis: | In this article, a novel and simple design procedure for multibit chipless radio frequency identification (RFID) tags is introduced, which is based on the characteristics of dual-mode loop resonator (DMLR) and open-loop resonator (OLR). By removing a small patch element from the symmetry axis of the DMLR, a simple geometrical transition to an OLR to obtain different frequency codes can be achieved. Since the DMLR and OLR provide dual- and single-resonant frequencies, three different frequency codes can be observed using one resonator. Thus, 3 ${N}$ codes can be performed by coupling N resonators to input/output (I/O) ports. Even-odd mode analysis over the coupling mechanism of a single resonator is provided to characterize the frequency responses of the proposed resonators. To prove the proposed approach, two multiresonator circuits having four resonators were fabricated and tested in a good agreement. In the test environment, two horn antennas and a vector network analyzer have been utilized as transmitter and reader. Next, in order to achieve size reduction, meandered resonators are utilized instead of conventional DMLR and OLR. Based on these resonators, two RFID tags, including wideband monopole antennas integrated into the seven-resonator circuits on the same board, were also fabricated and tested. |
| Databáze: | OpenAIRE |
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