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Study of a printed split-ring monopole for dual-spectrum communications
Bright Yeboah-Akowuah1, Eric Tutu Tchao1, Masood Ur-Rehman2
1Kwame Nkrumah Universtiy of Science and Technology, Department of Computer Science, Kumasi, Ghana.
Heliyon
|September 30, 2021
Summary
This study introduces a compact dual-spectrum antenna operating in the Industrial, Scientific, and Medical (ISM) band and ultrawideband spectrum. The optimized split-ring design achieves dual-band resonance for versatile applications.
Area of Science:
- Electrical Engineering
- Electromagnetics
- Antenna Design
Background:
- Modern wireless communication systems require antennas capable of operating across multiple frequency bands.
- Existing antenna solutions often face limitations in terms of size, bandwidth, and dual-band functionality.
Purpose of the Study:
- To design and validate a low-profile, dual-spectrum monopole antenna.
- To achieve efficient operation at both the Industrial, Scientific, and Medical (ISM) band (2.45 GHz) and the ultrawideband (UWB) spectrum (3.1-10.6 GHz).
Main Methods:
- Utilized circular split-ring radiators optimized for dual-band operation.
- Employed electromagnetic coupling between rings to achieve UWB quasi-resonance.
- Integrated a small stub to enable resonance at the ISM band.
Main Results:
- The proposed antenna exhibits good impedance matching and desirable radiation properties.
- The design is compact, planar, and suitable for easy fabrication.
- Simulated and measured results show strong agreement, validating the antenna's performance.
Conclusions:
- The developed split-ring monopole antenna successfully achieves dual-spectrum operation.
- The antenna's characteristics make it a promising candidate for various dual-band wireless applications.
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