Due to lower latency, greater transmission speed, wider bandwidth, and the possibility to connect with greater multiple devices, fifth-generation (5G) networks are far better than 4G. In this study, a microstrip patch antenna operating at 28 GHz is investigated and modeled for future 5G communication technologies. The substrate used in this work for the antenna is Rogers RT/Duroid5880. Dielectric of the substrate is 2.2 and thickness is 0.3451 mm. CST software is used to simulate the antenna as it is convenient to use. From the simulation, the return loss, gain, radiation efficiency, side-lobe level was found to be -38.348 dB, 8.198dB, 77%, and -18.3 dB respectively. The result found from this simulation is better than the works took place in the past. As a result, it can be utilized as a capable candidate for 5G wireless technology. The results of this proposed antenna are superior to those of existing antennas published in recent scientific journals. As a result, it's likely that this antenna will meet the needs of 5G wireless communication systems.

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In this paper, a 3.5 GHz microstrip patch antenna for the future of wireless communication is designed and studied. As the substrate material, Rogers RT/Duroid 5880 is utilized. This material has a thickness of 0.077 mm and a dielectric permittivity of 2.2. The proposed antenna layout is simulated using the CST Studio suite of software programs. This research aimed to get a lower return loss, a higher gain, a lower VSWR, better directivity, and more efficient operation. The simulation revealed that the return loss, gain, VSWR, and directivity were correspondingly -13.772 dB, 7.55 dB, 1.5152, and 8.43 dBi. The efficiency was 89.56%. This antenna has been designed and tested in various wireless communication applications. It has an operating frequency of 3.5 GHz. It is used as a reference antenna in communication satellites, weather radar, surface ship radar, wireless LANs (802.11b and 802.11g), multimedia applications in mobile TV and satellite radio, optical communications at 1460 to 1530 nm wavelength, and other wireless fidelity applications.

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