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Three-Dimensional Printed Annular Ring Aperture-Fed Antenna for Telecommunication and Biomedical Applications.

Khaled Alhassoon¹, Yaaqoub Malallah², Fahad N Alsunaydih¹

¹Department of Electrical Engineering, College of Engineering, Qassim University, Unaizah 56452, Saudi Arabia.

Sensors (Basel, Switzerland)

|February 10, 2024

Summary

A novel aperture-fed annular ring (AFAR) microstrip antenna design simplifies 3D printing and 2D material integration. This optimized antenna achieves excellent impedance matching, a high front-to-back ratio, and significant gain for versatile applications.

Keywords:

3D material 3D printing IoT WBAN annular ring antenna aperture fed

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Area of Science:

Electrical Engineering
Electromagnetics
Antenna Theory

Background:

Microstrip antennas are crucial components in modern wireless communication systems.
Fabrication challenges and material limitations hinder the widespread adoption of advanced antenna designs.
3D printing and 2D materials offer potential for simplified antenna manufacturing and integration.

Purpose of the Study:

To present a novel aperture-fed annular ring (AFAR) microstrip antenna design.
To facilitate the fabrication and usability of 3D-printed and solderless 2D materials for antenna applications.
To optimize antenna parameters for desired performance characteristics.

Main Methods:

The antenna design utilizes a three-layer structure: patch, slot (ground plane), and microstrip line feed.
Finite Element Method (FEM) simulations were employed for parameter investigation and optimization.
A systematic four-step approach was used, optimizing one parameter at a time based on an initial prototype.

Main Results:

The optimized 3D AFAR antenna achieved a return loss (S₁₁) of approximately 17 dB.
A front-to-back ratio exceeding 30 dB was obtained, indicating strong directional radiation.
The antenna demonstrated a gain of around 3.3 dBi.

Conclusions:

The proposed AFAR antenna design simplifies manufacturing processes using 3D-printed and 2D metallic materials.
The design offers a viable solution for antenna applications requiring ease of fabrication and good performance.
This work contributes to the advancement of practical and high-performance antenna solutions.