A Single-Fed Wideband Circularly Polarized Cross-Fed Cavity-Less Magneto-Electric Dipole Antenna
Abstract
:1. Introduction
2. Geometry and Operating Principle
2.1. Antenna Geometry
2.2. Operating Principle
3. Parametric Study
3.1. Length of the Patches (Lpatch)
3.2. Width of the Short Lead (Wcon)
3.3. Width of the Long Lead (Wring)
3.4. Radius of the Quarter-Wavelength Arc (Rring)
3.5. Radiating Layer to Ground Plane Separation (hair)
3.6. Length of Ground Plane (Lground)
4. Measurement Results and Discussions
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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BW (%) | AR BW (%) | Inline BW (%) | Gain (dBic) | Feed Pt. No. | Footprint (λo2) | Height (λo) | Cavity Reflector | |
---|---|---|---|---|---|---|---|---|
[21] | 57.6 | 51.9 | 51.9 | 9.50 ± 0.30 | 2 | 1.43 | 0.18 | nil |
[22] | 57.6 | 38.9 | 38.9 | 9.35 ± 1.35 | 2 | 0.83 | 0.26 | nil |
[23] | 59.8 | 26.8 | 26.8 | 8.0 ± 0.50 | 1 | 0.41 | 0.16 | single |
[24] | 57.3 | 50.9 | 43.5 | 9.56 ± 1.19 | 1 | 1.02 | 0.27 | single |
[25] | 69.0 | 58.6 | 58.6 | 8.51 ± 0.89 | 1 | 0.63 | 0.27 | single |
[26] | 93.1 | 87.6 | 83.2 | 3.25 ± 5.38 | 1 | 1.24 | 0.42 | nil |
[27] | 61.8 | 51.6 | 51.6 | 3.70 ± 0.65 | 1 | 0.18 | 0.07 | nil |
[28] | 77.7 | 68.1 | 68.1 | 3.63 ± 4.63 | 1 | 0.83 | 0.22 | nil |
[29] | 79.4 | 66.7 | 66.7 | 8.51 ± 1.29 | 1 | 0.74 | 0.36 | complex |
[30] | 56.7 | 38.9 | 38.9 | 9.35 ± 1.35 | 2 | 0.83 | 0.26 | complex |
[31] | 50 | 56.5 | 50 | 6.7 ± 1.75 | 1 | 1.58 | 0.16 | nil |
[32] | 65.1 | 71.5 | 65.1 | 8.5 ± 1.0 | 1 | 1.98 | 0.26 | nil |
[33] | 22.6 | 6.8 | 6.8 | 10.1 ± 0.1 | 1 | 6.67 | 0.34 | nil |
This work | 70.2 | 51.5 | 51.5 | 9.31 ± 0.56 | 1 | 1.16 | 0.24 | nil |
3-dB Beam-Width (°) | 3.2 GHz | 4.0 GHz | 4.8 GHz | |∆1| (°) | ||||
---|---|---|---|---|---|---|---|---|
mea. | sim. | mea. | sim. | mea. | sim. | mea. | sim. | |
ϕ = 0° | 65.5 | 59.1 | 70.3 | 67.9 | 74.7 | 67.3 | 9.2 | 8.8 |
ϕ = 45° | 63.7 | 59.9 | 68.5 | 65.1 | 75.8 | 67.8 | 12.1 | 7.9 |
ϕ = 90° | 66.0 | 63.2 | 69.9 | 64.3 | 76.8 | 69.0 | 10.8 | 5.8 |
ϕ = 135° | 68.0 | 63.0 | 69.0 | 62.9 | 77.5 | 76.3 | 9.5 | 13.3 |
|∆2| (°) | 4.3 | 4.1 | 1.8 | 5.0 | 2.8 | 9.0 |
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Cai, L.; Tong, K.-F. A Single-Fed Wideband Circularly Polarized Cross-Fed Cavity-Less Magneto-Electric Dipole Antenna. Sensors 2023, 23, 1067. https://doi.org/10.3390/s23031067
Cai L, Tong K-F. A Single-Fed Wideband Circularly Polarized Cross-Fed Cavity-Less Magneto-Electric Dipole Antenna. Sensors. 2023; 23(3):1067. https://doi.org/10.3390/s23031067
Chicago/Turabian StyleCai, Linyu, and Kin-Fai Tong. 2023. "A Single-Fed Wideband Circularly Polarized Cross-Fed Cavity-Less Magneto-Electric Dipole Antenna" Sensors 23, no. 3: 1067. https://doi.org/10.3390/s23031067