Research Article
Study the Effect of Using Low-Cost Dielectric Lenses with Printed Log-Periodic Dipole Antennas for Millimeter-Wave Applications
Table 3
Performances of the printed log-periodic dipole array (PLPDA) antennas.
| | Reference | f [GHz] | BW % | Fabrication technology | Substrate type | Gain [dBi] | FTB ratio [dB] | X-pol level [dB] |
| | [4] | 34 | 35.3% | PCB with metallic vias | FR4 | 4.3 | 15 | — | | [6] | 30 | 38.8% | SIW, PCB with vias | Rogers 5880 | 8.0 | 16 | 18 | | [7] | 94 | 143% | Surface micromachining | Silicon | 7.5 | 25 | 15 | | [12] | 30 | 66.6% | PCB | Rogers 5880 | 8.0 | 15 | 12.5 | | Reference antenna | 60 | >45% | PCB | Rogers 5880 | 12.7 | 24.1 | 18.8 | | Proposed antenna prototype | 60 | >46% | PCB | Rogers 5880 | 26.8 | 35.5 | 19.8 |
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