Design and Development of a 2.7 GHz Antenna Tailored for S-Band Applications

This paper presents the design and implementation of a compact rectangular microstrip antenna optimized at 2.7 GHz for S-band communication. S-band play a pivotal role in diverse fields, encompassing radar, and satellite systems. Meeting the requisites of these applications necessitates the development of a resilient and effective antenna system. The antenna's design incorporates an L-shaped slot within the patch structure and is positioned on an economical FR4 epoxy material substrate featuring a relative permittivity (ԑr) of 4.4 and a low loss tangent (tan δ) of 0.02. Furthermore, it is situated on the top of a full-ground plane configuration. The proposed antenna achieves a novel compact physical footprint and exhibits excellent impedance matching. Collectively resulting in a bandwidth span of 170 MHz and covers the frequency range from 2.66 to 2.78 GHz. Additionally, it attains a gain of 4.49 dBi at the resonant frequency of 2.7 GHz, accompanied by a return loss of -38.05 dB. The design and analysis of this antenna are executed using HFSS simulation software, yielding a remarkable level of agreement between the simulated results and practical measurements.