Research Article
Broadband Circularly Polarized Antennas with Compact Radiator Using Characteristic Mode Analysis
Table 4
Comparisons of the proposed and other CP antennas.
| | Ref. | Dimensions (λ0 × λ0 × λ0) | 3-dB AR bandwidth | Peak gain (dBic) |
| | [4] | 0.48 × 0.48 × 0.006 | 28.8% (2.06–2.76 GHz) | 4.0 | | [5] | 0.33 × 0.45 × 0.02 | 42.6% (4.80–7.40 GHz) | 2.3 | | [6] | 1.42 × 2.24 × 0.034 | 74.3% (4.18–9.12 GHz) | 7.3 | | [22] | 0.54 × 0.54 × 0.019 | 91.0% (2.10–5.60 GHz) | 3.2 | | [23] | 0.28 × 0.36 × 0.017 | 43.4% (2.40–3.73 GHz) | 3.8 | | Prop.An1 | 0.72 × 0.83 × 0.033 | 48.3% (4.70–7.70 GHz) | 4.0 | | Prop.An2 | 0.69 × 0.79 × 0.031 | 44.0% (4.6–7.20 GHz) | 2.5 |
|
|
AR bandwidth: AR < 3 dB; λ0: free-space wavelength at the center frequency of the 3-dB AR bandwidth.
|
