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Summary
This summary is machine-generated.

This study presents a novel dual-port microstrip patch antenna for 5G communications. The antenna achieves distinct broadside and conical radiation patterns at 3.5 GHz, crucial for sub-6 GHz applications.

Keywords:
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Area of Science:

  • Electrical Engineering
  • Electromagnetics
  • Antenna Theory

Background:

  • 5G communication systems require advanced antenna designs for efficient signal transmission.
  • Sub-6 GHz frequencies are critical for widespread 5G deployment.
  • Microstrip patch antennas offer advantages in terms of low profile and ease of integration.

Purpose of the Study:

  • To propose a novel dual-port, single-layer, pattern-diversified microstrip patch antenna.
  • To achieve both broadside and conical radiation patterns using a single antenna element.
  • To validate the antenna's performance for sub-6 GHz 5G applications.

Main Methods:

  • Design of a microstrip patch antenna incorporating a notch-loaded annular ring and a slot-loaded circular patch.
  • Excitation of the TM11 mode for broadside radiation and the TM31 mode for conical radiation.
  • Simulation and fabrication of the antenna prototype for performance evaluation.

Main Results:

  • The antenna operates at 3.5 GHz, within the sub-6 GHz 5G band.
  • Achieved gains of 7.2 dBi for the broadside beam and 4.6 dBi for the conical pattern.
  • Demonstrated excellent port isolation below -28 dB.
  • Measured results closely matched simulation outcomes.

Conclusions:

  • The proposed antenna design successfully provides dual radiation patterns.
  • The antenna is suitable for sub-6 GHz 5G communication applications due to its performance characteristics.
  • The design offers a promising solution for multi-pattern antenna requirements in wireless systems.