Research Article
A Contact-Less Electrically Small Antenna Sensor for Retinal Cancer Cell Detection
Table 1
Comparative analysis among planar microwave antennas for off-body communication.
| | Ref. (year) | Antenna size (W × L × H) (mm3) | Volume (mm3) | Dielectric constant | Antenna type | Electrically small | Operating frequency (GHz) | Operating bandwidth @ S11 < −10 dB (MHz) |
| | [13] (2022) | 30 × 32 × 1.6 | 1536 | 4.4 | Monopole | No | 2.45 | 115 | | [14] (2022) | 45 × 4.87 × 0.464 | 101.7 | 1.3 | Meandered dipole | No | 2.4 | 340 | | [15] (2022) | 7.4 × 24.7 × 1.6 | 292.45 | 4.3 | CPW-fed monopole | Yes | 2.42, 4.5, 5.5 | 60,1580 | | [16] (2022) | 13.5 × 23 × 1.6 | 496.8 | 4.3 | ACS-fed monopole | Yes | 2.4, 5.8, 6.78 | 270, 340, 180 | | [17] (2023) | 18 × 30 × 0.79 | 426.6 | 2.2 | CPW-fed antenna | No | 2.5, 5.4 | 550, 650 | | [10] (2023) | 40 × 40 × 1.6 | 2560 | 4.3 | Microstrip patch antenna | No | 2.5, 5.7 | 220, 1230 | | Proposed | 8 × 16.2 × 0.35 | 45.36 | 2.2 | APS-fed monopole | Yes | 2.413 | 342 |
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ACS: asymmetric coplanar strip; CPW: coplanar waveguide.
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