What question did this study set out to answer?

The research aims to develop a microstrip antenna array specifically for 5G communication frequencies.

February 5, 2026

Optimizing Rectangular Patch Antenna Arrays for Enhanced 5G Communication

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Evaluates a 28 GHz antenna array to enhance wireless communication, suggesting significant improvements in efficiency and gain.

The research aims to develop a microstrip antenna array specifically for 5G communication frequencies.
Developed a 28 GHz microstrip antenna array on Rogers RT 5880 substrate
Designed a rectangular patch architecture sized 16 × 30 mm²
Evaluated dual impedance bandwidths of 20.5–22.6 GHz and 24.8–32.5 GHz
Implemented a 1×4 linear configuration with integrated partial ground and slot
Achieved a return loss of -61 dB near 27.9 GHz
Attained a radiation efficiency of approximately 94%
Recorded a maximum gain of 9.04 dBi
Demonstrated a peak directivity of 9.35 dBi
Maintained a VSWR lower than 2

Khouyaoui et al. (2025) studied this question.

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