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Graphene-based flexible antenna for wearable and biomedical devices
Nada M Sayed1, Ayad Shohdy2, Ahmed M Montaser3
1Faculty of Technology and Education, Sohag University, Sohag, Egypt. Nada-Mohamed1@techedu.sohag.edu.eg.
Scientific Reports
|July 10, 2026
Summary
This study introduces a flexible, graphene-based 5G antenna for wearable imaging devices. The design demonstrates sensitivity to tumor-induced changes, enabling potential applications in early cancer detection and real-time monitoring.
Area of Science:
- Electrical Engineering
- Biomedical Engineering
- Materials Science
Background:
- Wearable technology demands advanced communication systems.
- Flexible antennas are crucial for seamless integration with the human body.
- 5G networks offer high bandwidth for real-time data transmission.
Purpose of the Study:
- To design and prototype a flexible graphene-based antenna for 5G wearable applications.
- To evaluate the antenna's performance for data transmission from arm and abdomen imaging equipment.
- To assess the antenna's potential for detecting tumor-induced dielectric changes.
Main Methods:
- Fabrication of an 18-μm-thick graphene antenna on a flexible polyamide substrate.
- Operation in the 25.2-40.2 GHz frequency band utilizing a fractal radiation patch.
- Analysis of radiation pattern, gain, reflection coefficient, and time-domain signal transmission.
- 3D modeling and simulation for electromagnetic property assessment.
Main Results:
- The flexible antenna design achieved adequate performance for 5G communication.
- Simulations demonstrated the antenna's sensitivity to tumor-induced dielectric variations.
- Time-domain analysis confirmed its suitability for real-time wearable device communication.
Conclusions:
- The proposed graphene-based flexible antenna is suitable for wearable 5G applications.
- The design shows promise for non-invasive tumor detection and monitoring in biological settings.
- This technology advances the integration of flexible electronics in healthcare.
