This work is reported for exclusively 5G microwave access communication infrastructure with single-port antenna, two-element array combination, and two-port MIMOarray configuration radiating electromagnetic energy. Dielectric <inf>28.0GHz</inf> is utilized in fabrication with thickness as low as 0.254mm<inf>28.0GHz</inf>. The single-port 5G antenna resides in a very compact space of <tex>$10 \text{mm}\times 12\ \text{mm}$</tex> on the PCB while the array utilizes the area of <tex>$10 \text{mm}\times 20\ \text{mm}$</tex> and the MIMOarray antenna uses <tex>$20\ \text{mm}\times 20\ \text{mm}$</tex>. The proposed work uses a rectangular patch and common ground to achieve a very narrow bandwidth of 27.87 GHz-28.22 GHz with resonance centered at 28.06 GHz. The minimal distance of D<inf>1</inf> is maintained between the array spacing and D2 between the MIMO radiating elements. The proposed work offers a gain of 6.25 dBi for a single-port antenna and 8.785 dBi for an array-configuration radiating EM wave. The Array-MIMO configuration of the proposed work includes diversity parameters corresponding to <tex>$\text{ECC}_{\text{arrayMIMO}}=0.05,\ \text{DG}_{\text{arrayMIMO}}=9.99\ \text{dB},\ \text{TARC}_{\text{arrayMIMO}}=-45.0\ \text{dB}$</tex>, and <tex>$\text{CCL}_{\text{arrayMIMO}}=0.30\quad \mathrm{b}/\mathrm{s}/\text{Hz}_{28.0\text{GHz}}$</tex> is assessed. The infrastructure for 5G-Network transmits the electromagnetic wave efficiently supporting millions of mobile users.
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