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A reconfigurable dual-polarized cavity-backed annular slot antenna for wireless internet of things applications
- Authors
- Kwon, N.-R.; Lee, W.-S.
- Issue Date
- Jun-2023
- Publisher
- John Wiley & Sons Inc.
- Keywords
- annular slot antenna; cavity–backed; dual-polarized; reconfigurable antenna
- Citation
- Microwave and Optical Technology Letters, v.65, no.6, pp 1719 - 1727
- Pages
- 9
- Indexed
- SCIE
SCOPUS
- Journal Title
- Microwave and Optical Technology Letters
- Volume
- 65
- Number
- 6
- Start Page
- 1719
- End Page
- 1727
- ISSN
- 0895-2477
1098-2760
- Abstract
- In this letter, a cavity-backed annular slot antenna with a reconfigurable dual-linear polarization of ∓45° employing two PIN diodes for wireless internet of things (IoT) applications was proposed to address issues such as bulky size, circuit complexity, and structural stability. The front-to-back ratio and gain enhancements of the proposed antenna with an overall size of 0.44 λ0 × 0.44 λ0 × 0.17 λ0 at 2.545 GHz were designed and accomplished utilizing a cavity-backed reflector. The impedance bandwidth based on the 10 dB return loss and the peak gain of the proposed antenna are approximately 18.8% (2.26–2.73 GHz) and 7.42 dBi, respectively. © 2023 Wiley Periodicals LLC.
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