Research Article
Wideband Patch Antenna with Shorting Vias
Table 2
Comparison of the wideband patch antennas.
| | | Electrical dimension | Center frequency (GHz) | Relative bandwidth (%) | Shape of patch | Method of improving bandwidth |
| | Reference [5] | 2.9λ0 × 2.9λ0 × 0.029λ0 | 5.8 | 12.8 | Circle | Slot | | Reference [6] | 1.12λ0 × 1.12λ0 × 0.09λ0 | 3.37 | 70 | Square | Slot and shorting wall | | Reference [7] | 1.35λ0 × 1.35λ0 × 0.024λ0 | 2.26 | 18 | Circle | Shorting vias | | Reference [8] | 2.34λ0 × 2.34λ0 × 0.029λ0 | 5.85 | 27.4 | Circle | Slot and shorting vias | | Reference [9] | 1.05λ0 × 1.05λ0 × 0.048λ0 | 2.42 | 11.2 | Circle | Slot and shorting vias | | Reference [10] | 1.48λ0 × 1.48λ0 × 0.03λ0 | 4.5 | 8.9 | Triangle | Slot and shorting vias | | This work | 2λ0 × 2λ0 × 0.064λ0 | 6.03 | 32 | Circle | Slot and shorting vias |
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λ0, wavelength at the center frequency.
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