Research Article
Triband Operation Enhancement Based on Multimode Analytics of Modified Rhombic Ring Structure with Fractal Ring Parasitic
Table 2
Comparison between the presented antenna and other designs.
| References | % impedance bandwidths (|S11| level < −10 dB) | Overall dimension (mm3) | Radiator type |
| [11] | 22.49% (550 MHz at 2.45 GHz), 9.14% (320 MHz at 3.5 GHz), and 17.33% (920 MHz at 5.3 GHz) | 100 × 60 × 0.8 | Monopole antenna | [12] | 5.1% (124 MHz at 2.45 GHz) and 22.4% (1124 MHz at 5.5 GHz) | 50 × 30 × 1.6 | Slot and monopole antenna | [21] | 35.8% (1010 MHz at 2.825 GHz) and 24.4% (1380 MHz at 5.65 GHz) | 69.3 × 66.2 × 1.6 | Monopole antenna | [22] | 53.97% (1700 MHz at 3.15 GHz) and 27.59% (1600 MHz at 5.8 GHz) | 40 × 45 × 1 | Monopole antenna | Proposed antenna | 22.22% (400 MHz at 1.8 GHz), 9.8% (240 MHz at 2.45 GHz), and 31.27% (1160 MHz at 3.71 GHz) | 36 × 52 × 1.6 | Monopole antenna |
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