Viet, D.-N.T. and Thi, T.-N.H. and Nguyen, Q.D. and Tran, H.-H. (2023) Compact Circularly Polarized Metasurface Antennas for RFID Readers. In: UNSPECIFIED.
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Developing a circularly polarized (CP) antenna with a compact size while achieving good radiation characteristics for handheld radio frequency identification (RFID) readers is a very challenging task. This paper presents two CP antennas with compact size, high gain, and high front-to-back ratio characteristics. These proposed designs consist of a 2times 2 unit-cell metasurface and are excited by a Y-shaped patch. The first antenna has compact overall dimensions of 0.45lambdatimes 0.45lambdatimes 0.02lambda, where lambda is the guided wavelength at the center frequency. The operating bandwidth is about 2.0, the broadside gain is about 6.5 dBi, and the front-to-back ratio is about 22.8 dB. The second design has a more compact size of 0.36lambdatimes 0.36lambdatimes 0.02lambda. This antenna has an operating bandwidth of 0.8, a broadside gain of 5.9 dBi, and a front-to-back ratio of 11.8 dB. © 2023 IEEE.
| Item Type: | Conference or Workshop Item (UNSPECIFIED) |
|---|---|
| Divisions: | Offices > Office of International Cooperation |
| Identification Number: | 10.1109/ATC58710.2023.10318865 |
| Uncontrolled Keywords: | Bandwidth; Circular polarization; Mobile antennas; Radio frequency identification (RFID), Circularly polarized antennas; Circularly-polarized; Compact; Compact size; High front-to-back ratios; High gain; Metasurface; Operating bandwidth; Radio-frequency identification readers, Directional patterns (antenna) |
| Additional Information: | cited By 0; Conference of 16th International Conference on Advanced Technologies for Communications, ATC 2023 ; Conference Date: 19 October 2023 Through 21 October 2023; Conference Code:194622 |
| URI: | http://eprints.lqdtu.edu.vn/id/eprint/11031 |
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