Analysis of Aperture Coupled Microstrip Antenna with Circular Polarization Diversity

  • Authors:

  • Mohamed Elhefnawy;Widad Ismail

  • Affiliations:

  • School of Electrical and Electronic Engineering, Universiti Sains Malaysia, Pulau Pinang, Malaysia;School of Electrical and Electronic Engineering, Universiti Sains Malaysia, Pulau Pinang, Malaysia

  • Venue:
  • Wireless Personal Communications: An International Journal
  • Year:
  • 2011

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Abstract

The circular polarization diversity with the square patch microstrip antenna was obtained by the implantation of the quadrature hybrid as a microstrip feed line. The small size antenna is achieved by using the aperture coupled structure. The analysis of an aperture-coupled microstrip antenna (ACMSA) based on the cavity model theory is presented in this paper. The cavity model has been used to design an ACMSA and determine the relationship between the input impedance of the ACMSA and the position of the aperture. The matlab and the Advanced Design Software have been used for designing and simulating the ACMSA. There is a good agreement between the simulated and the experimental results.