Research Article
5G Millimeter Wave Endfire Array Antenna with Printed Inverted-F Structure
Table 2
Performance comparison of other existing millimeter wave end-fire antennas.
| | Ref. | Antenna element | BW (%) | Relative size (λ0) | Peak gain (dBi) | Fabric cost |
| | [13] | FoldedDipoled + reflector | 26.3–29.75 GHz (12.3%) | (2.34 × 2.34 × 0.068)λ0 | 5.5 | High | | [14] | FoldedDipoled + reflector | 34.0–37.5 GHz (9.7%) | (2.34 × 2.34 × 0.068)λ0 | 5.7 | Low | | [20] | Dipole + reflector | 24.9–30.2 GHz (19.2%) | (0.42 × 1.74 × 0.05)λ0 | 3.4 | Low | | This work | IFA | 24.08–27.73 GHz (14.1%) | (0.43 × 0.43 × 0.02)λ0 | 2.4 | Low | | This work | IFA + deflector | 23.7–28.2 GHz (17.3%) | (0.43 × 0.43 × 0.02)λ0 | 4.5 | Low |
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λ0 is the wavelength at center frequency in free space.
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