Research Article
A Wideband Highly Efficient Omnidirectional Compact Antenna for WiMAX/Lower 5G Communications
Figure 1
Evolution steps.
| (a) 1-element (step 1) |
| (b) 3-element (step 2) |
| (c) 5-element (step 3) |
| (d) 7-element (step 4) |
| (a) 1-element (step 1) |
| (b) 3-element (step 2) |
| (c) 5-element (step 3) |
| (d) 7-element (step 4) |