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Related Experiment Video

Updated: Aug 13, 2025

Effective Analysis of Human Exposure Conditions with Body-worn Dosimeters in the 2.4 GHz Band
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A New CPW-Fed Semicircular Inverted Triangular Shaped Antenna Based on Mixed-Alternate Approach for 5G

Permanand Soothar1,2, Hao Wang1, Zaheer Ahmed Dayo3

  • 1School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.

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|January 21, 2023
PubMed
Summary

A novel semicircular inverted triangular antenna is developed for 5G millimeter-wave applications, achieving a wide 19 GHz bandwidth and high gain. This design offers excellent performance for future wireless communication systems.

Keywords:
5G millimeter-waveCPW-fedalternate-mixed approachbroadbandhigh gainpartial defected metal ground planesemicircular inverted triangular-shaped

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Area of Science:

  • Electromagnetics and Antenna Design
  • Wireless Communication Systems
  • Microwave Engineering

Background:

  • 5G millimeter-wave (mmWave) communication demands high-performance antennas for increased data rates.
  • Existing antenna designs often face challenges in achieving wide bandwidth and efficient radiation at mmWave frequencies.
  • The need for compact, cost-effective antenna solutions is critical for widespread 5G deployment.

Purpose of the Study:

  • To design and develop a new semicircular inverted triangular antenna tailored for 5G mmWave applications.
  • To investigate an alternate-mixed approach using cavity, slots, and loaded stubs for enhanced antenna performance.
  • To evaluate the antenna's suitability for integration into 5G mmWave wireless communication systems.

Main Methods:

  • A novel antenna structure comprising a radiator, partial defected ground plane, and coplanar waveguide was designed.
  • An alternate-mixed approach incorporating cavity, slots, and loaded stubs was employed.
  • Parametric analysis was conducted to optimize dimensions, locations, and impedance matching.

Main Results:

  • The antenna achieved a wide impedance bandwidth of 19 GHz (23-42 GHz), representing 58.46% relative bandwidth.
  • A peak realized gain of 6.75 dBi and a maximum radiation efficiency of 89% were recorded.
  • Stable omnidirectional radiation patterns and robust current distribution were observed across multiple resonances.

Conclusions:

  • The designed semicircular inverted triangular antenna demonstrates high performance suitable for 5G mmWave systems.
  • The employed alternate-mixed approach effectively enhances bandwidth and gain.
  • The antenna's compact size and performance metrics indicate its potential for practical integration into next-generation wireless networks.