Research Article
Minimized Low-Profile Wideband Antennas Using High Impedance Surface
Table 1
Parameter study of HIS unit cell.
| HIS (unit: mm) | Bandgap () | Bandwidth | Resonant frequency |
| w = 70, g = 10, h = 30 | (0.56–0.83) GHz | 39% | 0.68 GHz | w = 60, , | (0.59–0.92) GHz | 44% | 0.74 GHz | w = 80, , | (0.52–0.75) GHz | 36% | 0.625 GHz | , g = 6, | (0.50–0.72) GHz | 36% | 0.6 GHz | , g = 13, | (0.58–0.88) GHz | 41% | 0.715 GHz | , , h = 20 | (0.71–0.97) GHz | 31% | 0.83 GHz | , , h = 40 | (0.45–0.71) GHz | 45% | 0.57 GHz |
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