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A Double-Layer Patch Antenna for 5-6 GHz Wireless Communication.

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Summary
This summary is machine-generated.

This study presents a compact microstrip patch antenna for wireless local area network (WLAN) communication. The novel design achieves a wide bandwidth and high gain in a significantly reduced physical size.

Keywords:
double-layermicrostrip patch antennasurface currentwireless local area network

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Area of Science:

  • Electrical Engineering
  • Electromagnetics
  • Antenna Theory

Background:

  • Microstrip patch antennas are widely used in wireless communication systems.
  • Achieving wide bandwidth and compact size simultaneously presents a significant design challenge.
  • Existing antenna designs often compromise performance for size reduction.

Purpose of the Study:

  • To propose a novel compact double-layer microstrip patch antenna.
  • To achieve wide bandwidth and high gain in a miniaturized form factor.
  • To validate the antenna's suitability for home wireless local area network (WLAN) applications.

Main Methods:

  • Utilizing the electric field symmetry principle to fold a microstrip antenna's mirror image.
  • Employing a double-layer structure with coupled feeding for the upper patch.
  • Investigating resonant frequencies and radiation characteristics through simulation and testing.

Main Results:

  • The proposed antenna achieves a wide bandwidth of 4.83-6.1 GHz.
  • A peak gain of 4.7 dBi is obtained.
  • The antenna's physical size is reduced by 50% to 25 × 40 mm².
  • The design exhibits characteristics of both planar inverted-F antenna (PIFA) and microstrip patch antennas.

Conclusions:

  • The compact double-layer microstrip patch antenna offers a promising solution for WLAN systems.
  • The design successfully balances wide bandwidth, high gain, and miniaturization.
  • Simulation and test results confirm its potential for home wireless communication.