Research Article
Dual-Band Operation of a Circularly Polarized Four-Arm Curl Antenna with Asymmetric Arm Length
Table 1
Performance comparison of dual-band multiarm curl antennas.
| Antenna structure | Overall size (mm3) | Arm number | || BW (GHz) | AR BW (GHz) | Gain (dBic) | RE (%) |
| Proposed | 90 × 90 × 30 | 4 | 1.217–1.234 | 1.220–1.230 | 6.0 | 87.0 | 1.495–1.595 | 1.570–1.605 | 7.0 | 95.0 |
| Ref. [15] | 100 × 100 × 30 | 8 | 1.221–1.282 | 1.212–1.240 | 7.3 | 88.4 | 1.545–1.660 | 1.560–1.590 | 7.5 | 92.0 |
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