Study and Analysis of Rectangular Microstrip Patch Antenna at 28GHz for 5G Applications

Abstract

—Fifth generation (5G) is the next major phase of mobile telecommunications standards beyond the current 4G, which will operate at millimeter-wave frequency band. In any wireless device, the performance of radio communications depends on the design of an efficient antenna. This paper presents designs for rectangular microstrip antennas (single element, two elements, four elements and eight elements at 28 GHz), where 28GHz is one of the standard frequencies of the 5G communications. For better impedance matching, corporate feeding network is used in array configuration. Microstrip line and patch are etched on RT Duroid 5880 (dielectric constant of 2.2 and a height of 0.5 mm) substrate material. Array antenna improves various performance parameters, namely, return loss characteristics, impedance bandwidth, gain, directivity, and radiation pattern. It is observed an improvement in most parameters. From the simulation results of eight elements array configuration, it is increased of 95.15% gain and directivity as compared to a single element configuration. It is also noticed that there is an increase of 148.54% in impedance bandwidth as compared to a single element configuration. There is decreased of beamwidth in 52.06 % as compared to a single element. Thus, proposed eight elements microstrip patch array with modified corporate feeding is effective candidate for future 5G applications.