Design of a Rectangular Linear Microstrip Patch Antenna Array for 5G Communication

TL;DR

This paper details the design and characterization of a compact, high-gain rectangular microstrip patch antenna array optimized for 5G Ku-band communication, with broad bandwidth and efficient performance.

Contribution

It introduces a novel compact antenna array design with optimized parameters for 5G applications, including impedance matching, high gain, and broad bandwidth.

Findings

Resonant frequency of 18 GHz

-10 dB impedance bandwidth over 700 MHz

High gain of 7.51 dBi

Abstract

This paper presents the design and characterization of a rectangular microstrip patch antenna array optimized for operation within the Ku-band frequency range. The antenna array is impedance-matched to 50 Ohms and utilizes a microstrip line feeding mechanism for excitation. The design maintains compact dimensions, with the overall antenna occupying an area of 29.5x7 mm. The antenna structure is modelled on an R03003 substrate material, featuring a dielectric constant of 3, a low-loss tangent of 0.0009, and a thickness of 1.574 mm. The substrate is backed by a conducting ground plane, and the array consists of six radiating patch elements positioned on top. Evaluation of the designed antenna array reveals a resonant frequency of 18GHz, with a -10 dB impedance bandwidth extending over 700MHz. The antenna demonstrates a high gain of 7.51dBi, making it well-suited for applications in 5G and future communication systems. Its compact form factor, cost-effectiveness, and broad impedance and radiation coverage further underscore its potential in these domains.