Wearable Antenna Design with AMC Structures
Author Information
Author(s): Thangavelu Yathavi, Thangaraju Balakumaran, Maheswar Rajagopal
Primary Institution: Coimbatore Institute of Technology, India
Hypothesis
Can a wearable cavity-backed SIW antenna with AMC structures improve performance and safety in body-centric applications?
Conclusion
The study successfully demonstrates that integrating AMC structures into a wearable antenna design significantly enhances performance while reducing specific absorption rates.
Supporting Evidence
- The proposed design achieved SAR reductions to 0.672 W/kg on the spine and 0.341 W/kg on the forelimb for the cotton substrate.
- The AMC-backed implementation attained ultra-low reflection coefficients, as low as −26.56 dB.
- The design maintained remarkable resilience and operational stability under dynamic bending and proximity to human body models.
- The integration of AMC structures significantly improved antenna gain by up to 1.37 dB.
Takeaway
This study shows how a special type of antenna can be made to work better and safer when worn on the body by using smart materials.
Methodology
The study involved designing a wearable cavity-backed SIW antenna using textile substrates and AMC structures, followed by performance testing in various conditions.
Limitations
The study primarily focuses on specific textile materials and may not account for all possible variations in real-world applications.
Digital Object Identifier (DOI)
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