Fig. 4
The optimized array antenna with DGS loaded with CSRRs and diagonal slots, (a) Top view of the simulated layout, (b) Schematic view of the simulated layout, (c) Top view of the fabricated prototype antenna, (d) Back view of the fabricated prototype antenna, (e) simulated and measured S-parameter responses between the ports, (f) simulated and measured radiation gain, (g) simulated and measured radiation efficiency, (h) Radiation measurement setup, (i) simulated and measured radiation patterns in the E-plane at 26.0 GHz, and (j) simulated and measured radiation patterns in the H-plane at 28.25 GHz. The figures and the simulated plots have been generated by the CST Microwave Studio version 2024 as a 3D full-wave electromagnetic software. Software link: https://www.3ds.com/products/simulia/cst-studio-suite18.
