To design and simulate a miniature THz microstrip patch antenna with optimized superstrate height to enhance bandwidth and return loss, achieving improved performance for high-data-rate wireless communication and sensing applications.
This work presents the design and simulation of a miniature rectangular microstrip patch antenna operating in the terahertz (THz) frequency range using Ansys HFSS. The antenna performance is analyzed with reference to the base study on superstrate-loaded configurations. The proposed design resonates around 0.7 THz and exhibits a significant return loss of approximately β23 dB, indicating excellent impedance matching. The β10 dB bandwidth is enhanced compared to the conventional structure, demonstrating improved operational efficiency. By incorporating an optimized superstrate height, the antenna height factor (AHF) is adjusted to achieve superior bandwidth and return loss characteristics. The results confirm that a properly selected superstrate thickness significantly enhances antenna performance in terms of bandwidth and reflection coefficient. The proposed antenna is suitable for short-distance high-data-rate THz wireless communication systems and advanced sensing applications. The simulated results validate the effectiveness of superstrate optimization for performance enhancement in compact THz microstrip antennas.
Keywordsβ Microstrip Patch Antenna, Terahertz (THz) Frequency, Superstrate, Return Loss (S11), Bandwidth Enhancement, Antenna Height Factor (AHF), HFSS Simulation, Miniature Antenna, THz Wireless Communication.
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Software: HFSS Antenna designing.
Hardware: