Circularly polarized UHF RFID tag antenna for wireless sensing of complex permittivity of liquids
This paper presents a compact circularly polarized UHF RFID tag antenna based on complementary split ring resonator (CSRR). Its operating frequency varies with the injected liquid inside the proposed antenna, which is fabricated by 3D printing technology. Based on this feature, the complex relative...
| Päätekijät: | , , |
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| Muut tekijät: | |
| Aineistotyyppi: | Journal Article |
| Kieli: | English |
| Julkaistu: |
2022
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| Aiheet: | |
| Linkit: | https://hdl.handle.net/10356/162485 |
| _version_ | 1826121524264828928 |
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| author | Chen, Yi Hua, Changzhou Shen, Zhongxiang |
| author2 | School of Electrical and Electronic Engineering |
| author_facet | School of Electrical and Electronic Engineering Chen, Yi Hua, Changzhou Shen, Zhongxiang |
| author_sort | Chen, Yi |
| collection | NTU |
| description | This paper presents a compact circularly polarized UHF RFID tag antenna based on complementary split ring resonator (CSRR). Its operating frequency varies with the injected liquid inside the proposed antenna, which is fabricated by 3D printing technology. Based on this feature, the complex relative permittivity of the liquid under test can be extracted wirelessly at a distance from the reader antenna by measuring the read range. The real and imaginary parts of the complex permittivity of the liquid are then extracted from the frequency with the maximum read range and two neighboring frequency points, at which a read range related parameter is 90% of its maximum value. The circular polarization of the proposed antenna is realized by a pair of CSRRs for achieving a relatively large read range and miniaturizing the antenna size. According to the measurement results, the complex relative permittivity of liquids with real part between 1 and 81 can be extracted from a reader with the distance up to 1.97 m. |
| first_indexed | 2024-10-01T05:33:40Z |
| format | Journal Article |
| id | ntu-10356/162485 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T05:33:40Z |
| publishDate | 2022 |
| record_format | dspace |
| spelling | ntu-10356/1624852022-10-25T04:09:04Z Circularly polarized UHF RFID tag antenna for wireless sensing of complex permittivity of liquids Chen, Yi Hua, Changzhou Shen, Zhongxiang School of Electrical and Electronic Engineering Engineering::Electrical and electronic engineering Circularly Polarized Antenna Complex Permittivity This paper presents a compact circularly polarized UHF RFID tag antenna based on complementary split ring resonator (CSRR). Its operating frequency varies with the injected liquid inside the proposed antenna, which is fabricated by 3D printing technology. Based on this feature, the complex relative permittivity of the liquid under test can be extracted wirelessly at a distance from the reader antenna by measuring the read range. The real and imaginary parts of the complex permittivity of the liquid are then extracted from the frequency with the maximum read range and two neighboring frequency points, at which a read range related parameter is 90% of its maximum value. The circular polarization of the proposed antenna is realized by a pair of CSRRs for achieving a relatively large read range and miniaturizing the antenna size. According to the measurement results, the complex relative permittivity of liquids with real part between 1 and 81 can be extracted from a reader with the distance up to 1.97 m. This work was supported in part by the National Key Research and Development Program of China under Grant 2018YFB1802100, in part by the National Natural Science Foundation of China under Grant 61971250 and Grant 62071264, in part by the State Key Laboratory of Millimeter Waves under Grant K202014, in part by the Natural Science Foundation of Zhejiang Province under Grant LY19F010004 and Grant LY21F010004, and in part by the Natural Science Foundation of Ningbo under Grant 2019A610071 and Grant 202003N4109. 2022-10-25T04:09:03Z 2022-10-25T04:09:03Z 2021 Journal Article Chen, Y., Hua, C. & Shen, Z. (2021). Circularly polarized UHF RFID tag antenna for wireless sensing of complex permittivity of liquids. IEEE Sensors Journal, 21(23), 26746-26754. https://dx.doi.org/10.1109/JSEN.2021.3121714 1530-437X https://hdl.handle.net/10356/162485 10.1109/JSEN.2021.3121714 2-s2.0-85120773190 23 21 26746 26754 en IEEE Sensors Journal © 2021 IEEE. All rights reserved. |
| spellingShingle | Engineering::Electrical and electronic engineering Circularly Polarized Antenna Complex Permittivity Chen, Yi Hua, Changzhou Shen, Zhongxiang Circularly polarized UHF RFID tag antenna for wireless sensing of complex permittivity of liquids |
| title | Circularly polarized UHF RFID tag antenna for wireless sensing of complex permittivity of liquids |
| title_full | Circularly polarized UHF RFID tag antenna for wireless sensing of complex permittivity of liquids |
| title_fullStr | Circularly polarized UHF RFID tag antenna for wireless sensing of complex permittivity of liquids |
| title_full_unstemmed | Circularly polarized UHF RFID tag antenna for wireless sensing of complex permittivity of liquids |
| title_short | Circularly polarized UHF RFID tag antenna for wireless sensing of complex permittivity of liquids |
| title_sort | circularly polarized uhf rfid tag antenna for wireless sensing of complex permittivity of liquids |
| topic | Engineering::Electrical and electronic engineering Circularly Polarized Antenna Complex Permittivity |
| url | https://hdl.handle.net/10356/162485 |
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