Table 7 Comparison between the proposed antenna and previously published antenna.
References | Resonant Fr (GHz) | Operating range (GHz) | BW (GHz) | Substrate material | Board size | Port | Gain (dB) | Isolation (dB) | ECC DG (dB) | Efficiency (%) | RLC & machine learning |
|---|---|---|---|---|---|---|---|---|---|---|---|
28, 38 | 27.6–28.6/37.4–38.6 | 1, 1.2 | Rogers-5880 | 2.24λ0 × 2.1λ0 | 4 | 7.1, 7.9 | > 27 | < 0.001, NA | > 85 | No/No | |
28, 38 | NA | 1.39, 3.33 | Duroid 5880 | 3.87λ0 × 0.93λ0 | 4 | 5.59, 5.7 | > 25 | < 0.001/ > 9.96 | > 84 | No/No | |
28, 38 | 26.65–29.2, 36.95–39.05 | 2.55, 2.1 | Duroid 5880 | 1.3λ0 × 2.42λ0 | 2 | 1.27, 1.83 | > 20 | < 0.001/ > 9.99 | 78, 76 | No/No | |
28, 38 | NA | 1.06, 1.43 | Rogers 5880 | 5.13λ0 × 10.2λ0 | 4 | 7.95, 8.27 | > 26 | < 0.001/NA | 88.25 | No/No | |
28, 38 | NA | 1.23, 1.06 | Rogers Ro3003TM | 0.7λ0 × 0.82λ0 | 2 | 6.6, 5.86 | > 28 | < 0.005/ < 9 | 80, 85 | No/No | |
28, 38 | 26.6–29, 37.3–39.3 | 2.4, 2 | Rogers RT5880 | 1.23λ0 × 1.23λ0 | 4 | 8.4, 6.02 | > 25 | 0.005, ≈10 | 91.7, 88.6 | No/No | |
28, 38 | 24–28, 37–40 | 4, 3 | FR4 | 4.66λ0 × 4.66λ0 | 4 | 7.8, 4.4 | > 20 | 0.01/9.99 | 65, 49 | No/No | |
28, 38 | 24–28.8, 36.6–40.8 | 4.8, 4.2 | RT5880 | 0.82λ0 × 1.6λ0 | 2 | 7.8, 6 | > 30, > 28 | 0.0001, > 9.99 | NA | No/No | |
28, 38 | 27.7–28.3, 37.7–38.3 | 0.6, 0.6 | Rogers RO3003 | 2.43λ0 × 2.43λ0 | 4 | 7.37, 8.13 | < 30, < 30 | 0.0005, 9.99 | 88, 88.6 | No/No | |
28, 38 | 27.76–28.48, 37.69–38.19 | 0.72, 0.5 | Rogers 3003 | 1.68λ0 × 0.79λ0 | 4 | 4.15, 7.73 | > 20 | < 0.03 | 80.13, 85.44 | No/No | |
28 | NA | 0.658 | Rogers RT5880 | 0.93λ0 × 0.93λ0 | NA | 7.63 | NA | NA | 89.66 | No/Yes | |
27.75 | 27.5–28.35 | 0.85 | RogersRT5880 | 1.85λ0 × 1.85λ0 | 2 | 10 | > 19 | 0.002, 9.98 | NA | No/Yes | |
28, 34 | 27.61–28.49, 33.61–34.27 | 0.88, 0.66 | Duroid 5880 | 2.24λ0 × 0.93λ0 | 2 | 8.75, 5.5 | > 30, > 23 | 0.0001, 9.99 | 98.5 | No/Yes | |
Simulated | 28, 38 | 26.73–29.28, 34.96–40.73 | 2.55, 5.77 | Rogers RT5880 | 2.92λ0 × 2.92λ0 | 4 | 9, 8.4 | > 35, > 29 | < 0.001, > 9.99 | > 98, > 99 | Yes/Yes |
