A Wideband Circularly Polarized Filtering Dipole Antenna
Abstract
1. Introduction
2. Antenna Design
2.1. Antenna Configuration
2.2. Step-by-Step Design Process
2.3. Analysis of Radiation Nulls
3. Antenna Implementation
4. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Ref. | Size () | Filtering Method | Imp./AR. BW (%) | Ave Gain (dBic) | Sup. (dB) | GSI |
---|---|---|---|---|---|---|
[5] | 1.11 × 1 × 0.039 | Filtering phase shifter | 7.10/7.09 | 5.4 | 28.7/26.9 | 0.892 |
[6] | 1.55 × 0.9 × 0.058 | Filtering phase shifter | 11.40/14.29 | 7.8 | 24.1/25.9 | 0.694 |
[9] | 0.97 × 0.97 × 0.07 | Filtering phase shifter | 21.6/23.1 | 6.5 | 23/14 | 0.626 |
[10] | 0.52 × 0.52 × 0.06 | Stacked patch + Slot | 15.2/8.2 | 7 | 26.8/28.2 | 0.73 |
[11] | 0.51 × 0.51 × 0.26 | Stacked patch | 59.00/51.8 | 7 | 18/15.8 | 0.934 |
[12] | 0.71 × 0.71 × 0.31 | Stacked patch + Slot | 58.3/46.9 | 7.6 | 13.6/10.1 | 0.855 |
[13] | 0.59 × 0.47 × 0.1 | Stacked patch | 17.72/9.32 | 6.3 | 19/20 | 0.645 |
[14] | 1.53 × 1.53 × 0.19 | Stacked patch + Slot | 15/16.4 | 13 | 14/16 | 0.821 |
[19] | 0.7 × 0.7 × 0.024 | Stacked resonator | 4.7/3.2 | 5.5 | 31/31 | 0.804 |
[20] | 0.8 × 0.8 × 0.17 | Ring structure + Slot | 25.8/13.20 | 7.2 | 26.2/36 | 0.744 |
Pro. | 0.49 × 0.49× 0.16 | Patch + Dipole + Slot | 75/46.9 | 7 | 20/20 | 0.888 |
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Lin, X.; Huang, R.; Zeng, M.; Yan, A. A Wideband Circularly Polarized Filtering Dipole Antenna. Symmetry 2025, 17, 1047. https://doi.org/10.3390/sym17071047
Lin X, Huang R, Zeng M, Yan A. A Wideband Circularly Polarized Filtering Dipole Antenna. Symmetry. 2025; 17(7):1047. https://doi.org/10.3390/sym17071047
Chicago/Turabian StyleLin, Xianjing, Ruishan Huang, Miaowang Zeng, and An Yan. 2025. "A Wideband Circularly Polarized Filtering Dipole Antenna" Symmetry 17, no. 7: 1047. https://doi.org/10.3390/sym17071047
APA StyleLin, X., Huang, R., Zeng, M., & Yan, A. (2025). A Wideband Circularly Polarized Filtering Dipole Antenna. Symmetry, 17(7), 1047. https://doi.org/10.3390/sym17071047