In this article, a base station array antenna in 1 × 6 configuration is proposed for sub-6GHz 5G applications. Analyses have been performed on two orthogonally arranged dipole strips, a balun with various feeding schemes, and a reflector with different side walls. At the balanced feed position, aluminum is used to connect the feeding balun and the dipole through a hole. A single crossed antenna element of size 66 × 66 × 78 mm3 is fabricated using an FR-4 substrate with a dielectric constant of 4.4, 1.6 mm thickness, and an operating frequency band from 3.2 to 5.22 GHz. The radiating element provides a stable and high gain of 11–18 dB using reflectors with sidewalls. The proposed element is simulated, and its electrical downward tilt is investigated for a 1 × 6 array arrangement with dimensions of 642 mm × 112 mm × 90 mm. Various radiation performance parameters are measured, such as gain, FBR (>26 dB), HPBW, and XPD (>11.5 dB) at 60° in the H-plane. A reflection coefficient of less than −15 dB and port-to-port isolation of greater than 27 dB are achieved. Simulation and measurement of radiation patterns are performed for the operating frequencies of 3.2, 4.2, and 5.2 GHz.

A MIMO array antenna with a resonance frequency of 12.29 GHz is proposed for Ku-band applications. An 8-element antenna array is proposed and parameters like as return loss, VSWR, gain, directivity, and radiated power are utilized to validate model and test findings. The proposed antenna array has a bandwidth of 136.4MHz and the maximum gain in the Ku Band at a resonance frequency of 12.29GHz. It also has a gain of 8.89 dBi and a radiation efficiency of 100%.

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