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A Dielectric Resonator Antenna with Enhanced Gain and Bandwidth for 5G Applications
Irfan Ali1, Mohd Haizal Jamaluddin1, Abinash Gaya1
1Wireless Communication Centre, Universiti Teknologi Malaysia, 81310 UTM Skudai, Johor, Malaysia.
Sensors (Basel, Switzerland)
|January 30, 2020
Summary
A novel dielectric resonator antenna (DRA) offers high gain and wide bandwidth for 5G wireless communications. This antenna design is suitable for Internet of Things (IoT) device-to-device (D2D) applications.
Area of Science:
- Electromagnetics and Antenna Theory
- Wireless Communication Systems
Background:
- Fifth-generation (5G) wireless systems require advanced antenna solutions for high performance.
- Dielectric resonator antennas (DRAs) are attractive for their potential for high gain and wide bandwidth.
Purpose of the Study:
- To propose a novel dielectric resonator antenna (DRA) design for 5G applications.
- To achieve high gain and wide impedance bandwidth using specific operating modes and structural modifications.
Main Methods:
- Design and simulation of the DRA using CST Microwave Studio (CST MWS).
- Excitation via a 50Ω microstrip line with a narrow aperture slot.
- Operating at a higher-order TEδ15x mode with a hollow cylinder for bandwidth enhancement.
Main Results:
- Simulated and experimentally validated antenna performance.
- Achieved 10-dB return loss impedance bandwidth of 10.7% (14.3-15.9 GHz) and 16.1% (14.1-16.5 GHz) at 15 GHz.
- Demonstrated high antenna gain and suitable radiation patterns.
Conclusions:
- The proposed DRA design meets the requirements for 5G wireless communication.
- The antenna is suitable for Internet of Things (IoT) device-to-device (D2D) communication in 5G systems.
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