High-Performance 39 GHz mmWave Microstrip Patch Antenna for Next-Gen 5G Networks

Document Type : Original Article

Authors

1 Department of Communications and Computers Engineering, Higher Institute of Engineering, El-Shorouk Academy, El-Shorouk City, Egypt.

2 Department of Communications, Faculty of Electronic Engineering, Menoufia University, Menoufia Governorate, Menouf City, Egypt.

3 Department of Communications and Computers Engineering, Higher Institute of Engineering, El-Shorouk Academy, El-Shorouk City, Cairo Governorate, Egypt.

Abstract

The increasing demand for high-performance antennas in 5G millimeter-wave (mmWave) communication systems necessitates innovative and efficient antenna designs. This paper introduces a high-gain, wideband 16-element Corporate-Series Feed Rectangular Patch Antenna Array specifically optimized for 39 GHz applications. The proposed design is compact and utilizes a Rogers RT5880 substrate with a thickness of 1.286 mm, achieving an impressive bandwidth of over 22.97 GHz, a peak gain of 17.12 dB, and a high radiation efficiency of 90.8%. To enhance overall performance, a Defected Ground Structure (DGS) is incorporated, effectively reducing mutual coupling and improving port isolation. Furthermore, advanced design strategies, such as the use of a low-loss substrate and precise impedance matching, are employed to minimize signal loss. The antenna performance is validated through both full-wave simulations using CST Microwave Studio and experimental measurements, showing excellent agreement. Compared to traditional designs, the proposed array offers significant performance improvements, making it a strong candidate for next-generation 5G mmWave wireless communication systems.

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