Dual-Band Antenna System for Advanced Tactical Communication Networks in Next Generation Military Applications

Design of dual antenna systems for advanced tactical communications networks in future military applications is presented in this work. This framework is designed for defense-oriented 5G implementations operating within the frequency bands of 28 GHz and 38 GHz. A circular ring comprises the horizontal and vertical segments that comprise the proposed geometry. The capacitive loading effect of the channels carved into the incised gallop ring significantly diminishes the acoustic characteristics of the lower surface. The microstrip input line, characterized by a nominal impedance of 50 Ω, exhibits a biphasic configuration in its connection to the Substrate Integrated Waveguide (SIW) antenna. Moreover, at frequencies of 28 GHz and 38 GHz, the circular ring slot is integrated into the Transverse Electric (TE) 101 mode for the former and TE102 mode for the latter, respectively. The impedance bandwidths that have been measured are 27.85 to 28.10 GHz and 37.99 to 37.95 GHz. The measured peak values for the upper and lower bands fall within the intervals of 8.10 and 8.22 dBi and 6.96 and 7.15 dBi, respectively. The construction of the envisioned antenna involved the use of RT/droid 5880, a substrate material distinguished by a dielectric constant of 2.2. The evaluation and scrutiny of the developed antenna were completed by employing the CST software application.