Electrically Small, Low-Profile, Planar, Huygens Dipole Antenna with Quad-Polarization Diversity

Ming Chun Tang, Zhentian Wu, Ting Shi, Richard W Ziolkowski

Research output: Contribution to journalArticle

8 Scopus citations

Abstract

An electrically small, low-profile, planar, Huygens dipole antenna with four reconfigurable polarization states is presented. The design incorporates both electric and magnetic near-field resonant parasitic (NFRP) elements and a reconfigurable driven element. The four polarization states include two orthogonal linear (LP) and two circular polarization (LHCP and RHCP) states. A 1.5 GHz prototype was fabricated (partially with 3D additive manufacturing), assembled, and tested. The measured results, in good agreement with their simulated values, demonstrate that even with its simple configuration, electrically small size (ka = 0.944),and low-profile height (0.0449λ0), this reconfigurable Huygens antenna possesses stable broadside radiation performance in all of its four polarization states. The measured results demonstrate that in its x (y)-LP state, the peak realized gain, front-to-back ratio (FTBR), and radiation efficiency values are, respectively, ~3.03 dBi (2.97 dBi), ~10.7 dB (9.9 dB), and ~68.2% (67.5%). For the LHCP (RHCP) states they are, respectively, ~2.82 dBi (2.74 dBi), ~11.4 dB (12.5 dB), and ~67.1% (65.9%).

Original languageEnglish (US)
JournalIEEE Transactions on Antennas and Propagation
DOIs
StateAccepted/In press - Sep 11 2018

Keywords

  • Antenna measurements
  • Contracts
  • Copper
  • Dipole antennas
  • Electrically small antennas
  • Huygens dipole antennas
  • low-profile antennas
  • near-field resonant parasitic elements
  • Periodic structures
  • polarization-reconfigurable antennas
  • Strips

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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