Table 1.
Structural parameters of the proposed antenna sensor.
| Parameters | Descriptions | Values |
|---|---|---|
| w (mm) | Total sensor width | 80 |
| L (mm) | Total sensor length | 60 |
| w1 (mm) | Top feed line width | 1.5 |
| w2 (mm) | Bottom feed line width | 3.5 |
| w3 (mm) | Laterally placed wide strip width | 5 |
| L1 (mm) | Dipole arm length 1 | 32.5 |
| L2 (mm) | Dipole arm length 2 | 24.12 |
| L3 (mm) | Dipole arm length 3 | 17.85 |
| L4 (mm) | Dipole arm length 4 | 13.16 |
| Lt (mm) | Center line length | 38.08 |
| c1 (mm) | Dipole width 1 | 5 |
| c2 (mm) | Dipole width 2 | 3.74 |
| c3 (mm) | Dipole width 3 | 2.8 |
| c4 (mm) | Dipole width 4 | 2.09 |
| S (mm) | Spacing between feed point and dipole 1 | 4.61 |
| s1 (mm) | Spacing between dipoles 1 and 2 | 8.77 |
| s2 (mm) | Spacing between dipoles 2 and 3 | 6.19 |
| s3 (mm) | Spacing between dipoles 3 and 4 | 4.63 |
| β (deg) | Angle of tilted forward dipoles | 75 |