Research Article
A Low VSWR and High Efficiency Waveguide Feed Antenna Array
Table 2
Performance comparison between this work and reference antennas.
| | Ref | Aperture size (mm2) | Freq.
(GHz) | BW (%) | VSWR | Eff. (%) | | Cost |
| | [4] | 75 × 76 | 58.8–63.9 | 8.3 | <1.5 | >80 | Hard | High | | [8] | 146 × 146 | 14.5–16.1 | 14.8 | <2.0 | >80 | Medium | Low | | [11] | 40 × 366 | 12.2–12.7 | | NA | >63 | Easy | Low | | [12] | 707 × 182 | 10.8–12.7 | 16.5 | <2.0 | >57 | Easy | Low | | [13] | 35 × 35 | 12–15 | 21 | <2.0 | >70 | Hard | Low | | [15] | 229.52 × π | 26–40 | 40 | <2.0 | >80 | Hard | High | | This work | 110 × 55 | 13.9–14.8 | 6.9 | <1.5 | >80 | Easy | Low |
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Ratio bandwidth, NA: not applicable. |
