Design of 2×2 MIMO microstrip antenna rectangular patch array for 5G wireless communication network

Nowadays, intensive research on 5G MIMO microstrip antenna is increasing due to the high data rate required. Frequency 28 GHz is one of the allocation frequency approved by FCC. In this research, rectangular microstrip patch antenna with 56 radiation elements and 2 × 2 MIMO microstrip antenna with 112 radiation elements using microstrip line feeding are designed for 5G wireless communications network. These antennas use an array technique to increase the gain. Both antennas are designed and simulated using CST Microwave software and operated at 27.5-29.5 GHz. The 2 × 2 MIMO microstrip antenna provides the most optimum results with bandwidth impedance of 1.95 GHz (6.96%) and reaches the return loss of -44.71 dB at 28.5 GHz. The gain reaches 18.5 dBi. The antenna meets the required 5G antenna requirements.