Table 2.
A comparison of the proposed antenna performance with respect to the published designs.
| Refs. | Gain | Size | Center Frequency | Substrate Type |
|---|---|---|---|---|
| [1] | −20 dBi | λ/5 | 5 GHz | Fabric |
| [2] | 3 dBi | λ/5 | 1.5 GHz | Solar panel polymer |
| [3] | 4 | 0.12λ | 2.45 GHz | Roger TMM10i |
| [4] | 4.4 | 0.29λ | 5.8 GHz | Unknown |
| [5] | 2.33 | 3.27 mm | 10.1, 24.6 GHz | Rogers RO3010 |
| [6] | 3.7 | 0.06 λ | 2.45 GHz | Meta-cell |
| [7] | 5.1 | 0.13 λ | 2 GHz | Rogers RO4003C |
| [8] | 7.1 | 16 mm | 2.4, 5.8 GHz | Rogers 3210 |
| The proposed work | 1 dBi, 1.24 dBi, 1.48 dBi, 2.05 dBi, and 4.11 dBi | 20 × 10 mm2 | 403 MHz, 433 MH, 611 Mz, 912 MHz, and 2.45 GHz | Polymer |