Table 2. Gain, Directivity, and Radiation Efficiency of BiT Array Antennas.
| Parameters (2.4 GHz) | BiT array anatenna without superstrate layer | BiT array antenna with dielectric layer | BiT array antenna with SRR |
|---|---|---|---|
| Gain (dB) | 7.02 | 8.15 | 8.37 |
| Directivity (dBi) | 7.42 | 8.53 | 8.66 |
| Radiation Efficiency (%) | 94.6 | 95.5 | 96.7 |