A wideband multiple rectangular slotted patch antenna for 5G applications

Abstract

A microstrip antenna with four slots in the center of the patch for 5G applications focusing on enhancing bandwidth and other key metrics is presented. The proposed antenna with multiple rectangular slots and a partial ground structure intends to address the difficulties that arise from working with the millimeter-wave frequencies of the 5G network. Operating at a frequency of 28.082 GHz, the antenna exhibits remarkable characteristics that position it as a promising candidate for 5G communication systems. The antenna’s design is based on optimization process that involves iterative modifications to its geometry and structure. The final configuration consists of a rectangular patch incorporated with four symmetric rectangular slots, providing the antenna with the capability to achieve a bandwidth of 2.585 GHz. Constructed on a Rogers RT 5858 with desirable electrical properties, the suggested design provides a radiation efficiency of 73.43%, making it well-suited for high-frequency operations. Simulation results obtained using the CST Microwave Studio suite prove the antenna’s outstanding performance. The return loss curve demonstrates a value of approximately