Table 4 Antenna array total efficiency.
Total Efficiency | Minimum value | Maximum value | Average value (%) |
|---|---|---|---|
Ref. Ant | 63% @ 4.62 GHz | 65.5% @ 3.8 GHz | 64 |
Ant. with T-stub | 69.5% @ 3.12 GHz | 71.5% @ 3.6 GHz | 70 |
Ant. with T-stub and dot-wall | 74% @ 3.62 GHz | 78% @ 4.4 GHz | 76 |
Optimized Ant. with DGS (Measured) | 78% @ 3.25 GHz | 84% @ 4.65 GHz | 81 |
Average improvement of optimized Ant. c.f. Ref. Ant | 17% | ||
