3-D FDTD design analysis of a 2.4-GHz polarization-diversity printed dipole antenna with integrated balun and polarization-switching circuit for WLAN and wireless communication applications

Huey Ru Chuang, Liang Chen Kuo

Research output: Contribution to journalArticle

127 Citations (Scopus)

Abstract

Detail numerical simulation, fabrication, and experimental measurement of a 2.4-GHz polarization-diversity printed dipole antenna are presented for wireless communication applications. Two orthogonal printed dipole antennas and each with a microstrip via-hole balun feeding structure are combined and fabricated on an FR-4 printed-circuit-board substrate. A p-i-n-diode circuit is used to switch and select the desired antenna polarization. In the antenna design simulation, a full-wave method of a three-dimensional finite-difference time-domain (FDTD) method is employed to analyze the entire structure of the printed antenna including the lumped elements of the polarization-selected p-i-n diode switching circuit. The Berenger perfectly matched layer absorbing-boundary condition is used for the FDTD computation. Numerical and measured results of antenna radiation characteristics, including input standing-wave ratio, radiation patterns, and polarization diversity are presented.

Original languageEnglish
Pages (from-to)374-381
Number of pages8
JournalIEEE Transactions on Microwave Theory and Techniques
Volume51
Issue number2 I
DOIs
Publication statusPublished - 2003 Feb 1

All Science Journal Classification (ASJC) codes

  • Radiation
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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