Before processing the data, the steps taken are as follows: Checking the results of the. The results simulation is fundamental for fabrication antenna arrays along with high directivity, gain and radiation patterns. A screenshot for using CST Microwave Studio for antenna modelling. Using horn antennas with a 25 dBi gain and Teflon lenses with a 100 mm diameter, 10 m data transmission was demonstrated at 300 GHz ( Dan et al., 2020 ). In addition antennas achieved during design represent a compact and simple antenna in shape and they have an expected parameter value. A collimating dielectric lens antenna placed in front of the primary antenna provides a promising technique to enhance the total antenna gain. The results in this work indicate that the best value of return loss (S11) to (-33.225) dB which is recorded for TMSA as well as Voltage Standing Wave Ratio (VSWR) is equal to (1.044) whereas, the measurement values of bandwidth, gain, efficiency and directivity have been recorded in RMSA, which are (0.967) GHz, (6.63) dB, (90), and (7.09)dB, respectively. The results of simulation, reveals that the optimized dimensions of the patch which resonate at (28 GHz). For this purpose a copper patch with substrate named a Rogers RT5880 which has (Ɛr=2.2) and (δ=0.009) is used as a dielectric material between the patch and ground plan. The procedure is done with the help of CST Computer Simulation Technology microwave studio version -20 as well as MATLAB version -19a. This paper proposed as a new of compact Microstrip antennas operating at (28GHz), which is used for 5G-wireless communication device.
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