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Updated: Feb 25, 2026
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Simulation, Fabrication and Characterization of THz Metamaterial Absorbers
Published on: December 27, 2012
16.0K
A Double-Negative Metamaterial-Inspired Mobile Wireless Antenna for Electromagnetic Absorption Reduction
Touhidul Alam1, Mohammad Rashed Iqbal Faruque2, Mohammad Tariqul Islam3
1Space Science Centre (ANGKASA), Universiti Kebangsaan Malaysia, UKM, Bangi 43600, Selangor, Malaysia. touhid13@siswa.ukm.edu.my.
Materials (Basel, Switzerland)
|August 11, 2017
Summary
A novel metamaterial antenna offers compact size and multi-band operation for mobile wireless applications. It reduces electromagnetic absorption using a double-negative metamaterial ground plane.
Area of Science:
- Electromagnetics and Applied Physics
- Materials Science and Engineering
Background:
- Metamaterials offer unique electromagnetic properties not found in natural materials.
- Antennas for mobile wireless applications require small size, wide bandwidth, and multi-band capabilities.
Purpose of the Study:
- To present a novel double-negative metamaterial-inspired antenna for mobile wireless applications.
- To achieve a compact antenna design with multi-standard operating bands and reduced electromagnetic absorption.
Main Methods:
- Design and simulation of a semi-circular radiating patch antenna integrated with a hexagonal metamaterial unit cell array on the ground plane.
- Utilizing a 50 Ω microstrip feed line for antenna excitation.
- Analysis of antenna performance including impedance bandwidth and electromagnetic absorption characteristics.
Main Results:
- The proposed antenna exhibits electric dimensions of 0.20λ × 0.26λ × 0.004λ.
- Achieved a -10 dB impedance bandwidth of 2.29 GHz (lower band) and 1.28 GHz (upper band).
- Demonstrated suitability for mobile applications including GSM, WiMAX, Bluetooth, and WLAN frequency bands.
Conclusions:
- The developed antenna is compact and supports multiple wireless standards.
- The double-negative metamaterial ground plane effectively reduces electromagnetic absorption across operating frequencies.
- The antenna design is a promising solution for next-generation mobile wireless communication systems.
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