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Design implementation analysis of multi-band antenna for terrestrial applications
Porchelvi Natarajan1, Titus Sigamani2
1Vivekanandha College of Technology for Women, Tiruchenkodu, India.
Heliyon
|September 23, 2024
Summary
This study introduces a novel multi-band antenna for terrestrial use above 5 GHz. The design enhances impedance matching and radiation, offering superior performance over typical antennas for modern communication systems.
Area of Science:
- Electrical Engineering
- Electromagnetics
- Antenna Theory
Background:
- Terrestrial communication systems require efficient multi-band antennas operating above 5 GHz.
- Existing multi-band antennas often face limitations in impedance matching and radiation characteristics.
Purpose of the Study:
- To propose and analyze a novel miniature multi-band antenna for terrestrial applications.
- To enhance impedance matching and radiation performance using unique structural elements.
Main Methods:
- Design of a printed patch antenna with a director element and three split ring resonators (SRR) on FR4 substrate.
- Incorporation of "C" split rings and a stub linked to a partial ground into the radiating element.
- Validation through return loss simulations and measured radiation pattern analysis.
Main Results:
- The antenna exhibits five distinct resonance frequencies: 7.224, 10.723, 13.808, 17.014, and 19.549 GHz.
- Achieved a gain of 7.84 dB, overall efficiency of 84.76%, and VSWR of 1.8 at 7 GHz.
- Demonstrated superior VSWR, gain, and radiation efficiency compared to typical multi-band antennas.
Conclusions:
- The proposed multi-band antenna design offers enhanced performance suitable for traditional communication.
- The novel inclusion of "C" split rings and a stub significantly improves antenna characteristics.
- The antenna is efficient for operation across multiple frequency bands up to 20 GHz.
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