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Updated: Jun 24, 2025
13:44
Simulation, Fabrication and Characterization of THz Metamaterial Absorbers
Published on: December 27, 2012
15.3K
Compact metamaterial-based single/double-negative/near-zero index resonator for 5G sub-6 GHz wireless applications
Sura Khalil Ibrahim1, Samir Salem Al-Bawri2, Mandeep Jit Singh3,4
1Department of Electrical, Electronic and Systems Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, UKM, Bangi, 43600, Selangor, Malaysia.
Scientific Reports
|June 4, 2024
Summary
This study presents a miniaturized metamaterial (MTM) unit cell for Sub-6 GHz 5G applications. The novel design achieves a wide operating frequency band and demonstrates tunable negative refractive index properties.
Area of Science:
- Electromagnetics and Metamaterials
- Wireless Communication Technologies
Background:
- Miniaturized metamaterials (MTMs) are crucial for next-generation wireless applications.
- Sub-6 GHz spectrum is key for expanding 5G network capabilities.
Purpose of the Study:
- To design, analyze, and validate a novel miniaturized metamaterial unit cell for Sub-6 GHz 5G applications.
- To demonstrate tunable electromagnetic properties, including negative refractive index.
Main Methods:
- A metamaterial unit cell comprising circular split-ring resonators and slotted square elements was designed.
- Numerical simulations using CST microwave studio were performed to analyze performance.
- The simulated results were validated against the fabricated design.
Main Results:
- The proposed MTM unit cell exhibits a significant operating frequency band of 220 MHz with resonance at 3.5 GHz.
- Demonstrated wide-range achievement of single/double-negative refractive index, negative permittivity, and near-zero permeability.
- Tunable resonance frequencies were achieved by adjusting the central slotted-strip line length.
Conclusions:
- The developed miniaturized metamaterial unit cell is suitable for Sub-6 GHz 5G applications.
- The design offers tunable electromagnetic properties and a wide operating bandwidth.
- The simulation and fabrication comparison validates the proposed MTM design.
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