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A Π-shaped slotted patch antenna with a partial ground structure for lower 5G/WiFi/WiMAX applications
Liton Chandra Paul1, Md Tanvir Rahman Jim1, Tithi Rani2
1Dept. of EECE, Pabna University of Science and Technology, Pabna, Bangladesh.
Heliyon
|October 17, 2022
Summary
A novel π-shaped slotted microstrip patch antenna (MPA) offers excellent performance for fifth-generation (5G), WiFi, and WiMAX applications. This antenna provides wide bandwidth, high efficiency, and favorable characteristics for high-speed wireless communication.
Area of Science:
- Electromagnetic theory
- Antenna engineering
- Wireless communication systems
Background:
- Microstrip patch antennas (MPAs) are crucial for modern wireless systems.
- Optimizing MPAs for lower 5G, WiFi, and WiMAX bands requires advanced design techniques.
- Partial ground structures can enhance MPA performance, including bandwidth and efficiency.
Purpose of the Study:
- To design and optimize a π-shaped slotted MPA for lower 5G/WiFi/WiMAX applications.
- To investigate the antenna's performance characteristics, including bandwidth, gain, and radiation efficiency.
- To validate the simulation results with fabricated antenna measurements.
Main Methods:
- Design and optimization of a π-shaped slotted MPA using CST Microwave Studio.
- Utilizing Rogers RT5880 dielectric material with specific dimensions (L=35mm, W=31mm, h=0.79mm).
- Analysis of operating frequency range (2.87-5.47 GHz), impedance bandwidth, return loss, VSWR, and radiation efficiency.
Main Results:
- Achieved an operating frequency range of 2.87-5.47 GHz.
- Obtained a wide impedance bandwidth of 2600 MHz.
- Demonstrated high radiation efficiency (90.88%), acceptable gain (2.647 dB), and low return loss (simulated: -36.81 dB, measured: -25 dB).
- Observed VSWR < 2 across the band, with 1.0293 at the center frequency (3.47 GHz).
- Favorable current distribution and input impedance, with omni-directional radiation patterns.
Conclusions:
- The designed π-shaped slotted MPA meets the requirements for lower 5G/WiFi/WiMAX applications.
- Simulation and measurement results are in good agreement, validating the antenna's performance.
- The proposed MPA is a suitable candidate for high-speed wireless communication systems.
