Research Article
Elliptical Ring Antenna Excited by Circular Disc Monopole for UWB Communications
Table 2
Radiation characteristics of the CDM-excited elliptical ring antenna.
| | Frequency (GHz) | Main beam direction in E-plane (deg) | Main beam direction in H-plane (deg) | HPBW in E-plane (deg) | HPBW in H-plane (deg) |
| | 3 | −4 | 0 | 84 | 149 | | 4 | −6 | 0 | 80 | 177 | | 5 | −8 | 0 | 76 | 178 | | 6 | −12 | 0 | 68 | 128 | | 7 | +4 | 0 | 68 | 98 | | 8 | +10 | 0 | 59 | 103 | | 9 | +12 | 0 | 53 | 117 | | 10 | +16 | 0 | 53 | 121 | | 11 | +24 | 0 | 53 | 77 |
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