Compact Circularly Polarized Cavity-Backed Crossed-Dipole Antenna with Ultra-Wide Bandwidth for Integrated GNSS–SatCom Terminals
Abstract
1. Introduction
2. Antenna Design
2.1. Antenna Configuration
2.2. Design Evolution
2.3. Antenna Analysis
3. Experimental Results and Discussion
3.1. Antenna Fabrication
3.2. Reflection Measurement
3.3. Pattern Measurement
4. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
Abbreviations
CP | circularly polarized |
LHCP | left-hand circularly polarized |
IMBW | impedance bandwidth |
ARBW | axial-ratio bandwidth |
DGS | defected-ground structure |
UWB | ultra-wideband |
sim. | simulated |
mea. | measured |
References
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Parameter | Value | Parameter | Value | Parameter | Value |
---|---|---|---|---|---|
a | 92.42 | ma | 30.07 | wa | 42.84 |
pa | 45.45 | mb | 11.00 | dl | 26.87 |
pb | 21.49 | mx | 18.3 | dg | 2.49 |
r1 | 4.45 | my | 6.86 | ||
r2 | 5.05 | h | 39.50 |
Ref. | Antenna Type | Size (λL3) * | IMBW (S11 < −10dB) (GHz (%)) | ARBW (AR < 3dB) (GHz (%)) | Peak Gain (dBic) |
---|---|---|---|---|---|
[2] | magneto-electric dipole | 0.788 × 0.788 × 0.143 | 2.03–3.56 (54.9) | 2.15–3.35 (43.6) | 10.3 |
[6] | dielectric patch antenna | 0.965 × 0.758 × 0.220 | 4.63–7.58 (48.3) | 5.15–7.36 (35.3) | 8.47 |
[7] | dielectric resonator antenna | 0.538 × 0.538 × 0.094 | 1.01–1.94 (63.05) | 1.09–1.40 (24.9) | 5.06 |
[8] | crossed dipole with post fence | 0.41 × 0.41 × 0.13 | 0.87–3.17 (113.8) | 0.98–2.99 (101.3) | 6.2. |
[12] | cavity-backed crossed dipole | 0.240 × 0.240 × 0.091 | 1–3.1 (102.4) | 1.17–2.85 (73.1) | 3.8 |
[15] | cavity-backed crossed dipole | 0.483 × 0.483 × 0.183 | 0.9–2.95 (106.5) | 1–2.87 (96.6) | 12 |
[16] | cavity-backed crossed bowtie dipole | 0.44 × 0.44 × 0.224 | 2.21–6.06 (93.1) | 2.4–6.4 (91.2) | 8.6 |
[18] | two-pair crossed dipoles | 0.353 × 0.353 × 0.097 | 1.06–1.89 (55.8) | 1–2.1 (70.9) | 5.2 |
[30] | backed-plane crossed dipole | 0.455 × 0.455 × 0.189 | 1.95–3.05 (44) | 2.2–3 (33) | 6.74 |
This work | cavity-backed crossed dipole | 0.302 × 0.302 × 0.129 | 0.71–3.89 (138) | 0.98–3.27 (108) | 7.07 |
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Mo, K.; Jiang, X.; Peng, L.; Fang, R.; Liu, Q.; Li, Z. Compact Circularly Polarized Cavity-Backed Crossed-Dipole Antenna with Ultra-Wide Bandwidth for Integrated GNSS–SatCom Terminals. Electronics 2025, 14, 3193. https://doi.org/10.3390/electronics14163193
Mo K, Jiang X, Peng L, Fang R, Liu Q, Li Z. Compact Circularly Polarized Cavity-Backed Crossed-Dipole Antenna with Ultra-Wide Bandwidth for Integrated GNSS–SatCom Terminals. Electronics. 2025; 14(16):3193. https://doi.org/10.3390/electronics14163193
Chicago/Turabian StyleMo, Kunshan, Xing Jiang, Ling Peng, Rui Fang, Qiushou Liu, and Zhengde Li. 2025. "Compact Circularly Polarized Cavity-Backed Crossed-Dipole Antenna with Ultra-Wide Bandwidth for Integrated GNSS–SatCom Terminals" Electronics 14, no. 16: 3193. https://doi.org/10.3390/electronics14163193
APA StyleMo, K., Jiang, X., Peng, L., Fang, R., Liu, Q., & Li, Z. (2025). Compact Circularly Polarized Cavity-Backed Crossed-Dipole Antenna with Ultra-Wide Bandwidth for Integrated GNSS–SatCom Terminals. Electronics, 14(16), 3193. https://doi.org/10.3390/electronics14163193