Research Article
Analysis of a Compact and Superdirective Metamaterial-Inspired Monopole Antenna
Table 3
Performance comparison of three electrical small metamaterial-inspired antennas.
| | | (MHz) | | Measured OE (%) | Measured gain (dB) |
| | Antenna A1 | 1537 | 0.58 | 72.3 | 4.28 | | Z-antenna [32] | 1575 | 0.44 | 87.6 | 3.23 | | Egyptian-axe dipole antenna [33] | 1567 | 0.99 | 79.6 | 4.25 |
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