- Computational Electromagnetics (Finite-Difference Time-Domain method, Mode matching technique, Method of moment, etc.)
- Resonant transmission through slit or aperture (Real metals at THz as well as Perfect electric conductor)
- Mutual coupling among arrayed apertures / Equivalent circuit representation for multiple apertures
- Experimental validation for the theoretical aperture analysis
- Antenna design and analysis
- Antenna design for the vessel or rescue (in maritime) applications
- Measurement for arrayed resonant aperture antennas
- EMC/EMI analysis in nuclear power plant and vessel or maritime environments
- EMC/EMI analysis by mode matching technique
- Indoor exclusion zone analysis
- Improvement measures for the maritime search and rescue information delivery system
- Improvement suggestion for international mobile satellite communication system