Research Article
Pattern Reconfigurable Antenna for VANET, Wi-Fi, and WiMAX Wireless Communication Systems
Table 4
Comparison between the proposed reconfigurable antenna and several other reconfigurable antennas.
| | Year/Ref | No. of layers | Size (λ03) | Frequency (GHz) | Impedance BW (%) | Gain | Efficiency (%) |
| | 2017/[19] | 2 | 1.17 × 1.17 × 0.08 | 3.4 | 5.6 | 5.4–8.31 dBi | NG | | 2017/[28] | 1 | 1.37 × 1.37 × 0.02 | 5.9 | 18.6 | 6–6.5 dBi | 76 | | 2018/[29] | 3 | 0.79 × 0.79 × 0.28 | 2.4 | 9.3–12.6 | 6.5 dBi | 85 | | 2019/[30] | 1 | 1,48 × 1,48 × 0,008 | 2.34 | 10.25 | 5.9 dBi | NG | | 2020/[31] | 1 | 0.91 × 0.85 × 0.02 | 3.65 | 4.1 | 5.7–6.9 dBi | 89 | | 2020/[32] | 4 | 1.39 × 1.39 × 0.06 | 2.45 | 12.24 | 7.0–8.9 dBi | NG | | This work | 1 | 0.81 × 0.81 × 0.03 | 5.82 | 9.62 | 9.57 dBi | 95 |
|
|
λ 0 is the wavelength of the free space.
|
