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Low-Cost Antenna-Array-Based Metamaterials for Non-Invasive Early-Stage Breast Tumor Detection in the Human Body.
Musa N Hamza1,2, Yadgar I Abdulkarim1, Salah Raza Saeed3
1Medical Physics Department, College of Medicals & Applied Science, Charmo University, Chamchamal 46023, Iraq.
Biosensors
|October 27, 2022
Summary
This study presents a low-cost microstrip patch antenna enhanced with an artificial magnetic conductor (AMC) for wideband microwave imaging (MWI). The developed antenna shows improved performance for medical applications like cancer tumor detection.
Area of Science:
- Electromagnetics
- Antenna Engineering
- Biomedical Engineering
Background:
- Microstrip patch antennas are widely used but face limitations in bandwidth and high-frequency loss for medical applications.
- Existing antenna designs often struggle to meet the demands of wideband microwave imaging and sensitive medical diagnostics.
Purpose of the Study:
- To develop a low-cost, wideband microstrip patch antenna for microwave imaging (MWI) applications.
- To enhance antenna performance for medical applications, specifically cancer tumor detection, using an artificial magnetic conductor (AMC).
Main Methods:
- The proposed microstrip patch antenna was designed and simulated using Computer Simulation Technology (CST).
- An artificial magnetic conductor (AMC) was integrated to improve antenna characteristics.
- The antenna was fabricated and experimentally validated, including fidelity factor measurements for different configurations.
- Numerical simulations were performed using breast phantom models with tumors.
Main Results:
- The AMC loading significantly improved antenna frequency selectivity at 8.6 GHz.
- Peak realized gain reached 9.90443 dBi (simulated) and 10.61 dBi (measured).
- Fidelity factors for face-to-face (FtF) and side-by-side (SbS) scenarios were evaluated.
- Simulations demonstrated potential for cancer tumor cell detection using the antenna as a transceiver.
Conclusions:
- The developed AMC-loaded microstrip patch antenna offers a promising low-cost solution for wideband MWI.
- The antenna's enhanced performance and validated results support its application in medical diagnostics and electromagnetic biosensors.
- This work contributes to advancing antenna design for improved cancer detection technologies.
