| Antennas for 3G, 4G and 5G mobile communications |
| Dielectric Resoantor Antennas (DRA) |
| Antennas Measurements |
| Multiband Antennas |
| Ultra Wideband Antennas |
| Ambient RF Energy Harvesting and Rectennas Design |
| Wireless Networks |
| Millimeter Wave Antennas |
| IoT Applications |
| Artificial Intellgence (AI) applications in high frequency engineering |
| Substrate-Integrated Waveguides Circuits |