Design and Performance Optimization of A Compact Microstrip Patch Terahertz Antenna for High-Gain Wireless Communication Applications
An Emerging Terahertz (THz) communication technology is a promising technology for advanced wireless communication with incredibly fast data speeds. However, due to high-rate losses, impedance matching, and miniaturization of the antenna, it is a challenge to develop an effective antenna for the terahertz frequency range. Therefore, it is important to develop compact THz antennas for reliable use of terahertz communication as well as sensing applications. This study aims to design a planar type of microstrip THz antenna and evaluate its performance at 0.80 THz. The antenna is composed of a patch, ground plane, microstrip feed, and dielectric substrate. It ensures impedance matching as well as effective electromagnetic radiation. The study includes electromagnetic simulations to investigate various important parameters. The results obtained from the simulations have shown that the proposed antenna has a minimum reflection coefficient (−29.79 dB) and VSWR (1.06) at 0.80 THz of resonant frequency. In addition, it has a bandwidth of about 0.13 THz, with an efficiency of radiation of 89% and a maximum gain of 11.5 dBi. These outcomes show that the proposed compact THz antenna performs well, offering an efficient solution for terahertz communication, as well as advanced applications in imaging and sensing.