Design and simulation of Multi-Sector Patch Array Antenna For MIMO 5G applications at 3.5 GHz

Muthanna Journal of Engineering and Technology

Volume (14), Issue (4), Year (2026), Pages (35-46)

DOI:10.52113/3/eng/mjet/2026-14-04-/35-46

Research Article By:

Shaimaa Kareem Abdallah

Corresponding author E-mail: shaimaa.kareem@mu.edu.iq


ABSTRACT

This paper introduces a design of a 5G multi-sector antenna to work at 3.5 GHz, which is the most important band in 5G. The CST studio suite is used to simulate the design and extract the results. The main benefit of using this antenna structure is to get a 360-degree azimuth coverage suitable for macro-cell 5G base station deployment. The antenna operates inside the frequency band (n78 band: 3.3-3.8 GHz), which is used for 5G communications. The design technique involves parametric evaluation of patch dimensions, substrate selection, feed network optimization, and array configuration to reap the highest quality impedance matching and radiation overall performance. Simulation consequences display that the proposed antenna achieves an S11 of better than -18 dB, a gain of 9 dB, and a bandwidth of about 160 MHz, assembling the requirements for 5G base station packages. The multi-quarter configuration permits 360-degree coverage with beam steering abilities, making it a high-quality candidate for macro mobile deployment in 5G networks.

Keywords:

5G Antenna, Patch Array, Multi-Sector, CST Microwave Studio, 3.5 GHz, Sub-6 GHz, Base Station

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