Low-Profile, Electrically Small, Huygens Source Antenna with Pattern-Reconfigurability That Covers the Entire Azimuthal Plane

Ming Chun Tang, Boya Zhou, Richard W Ziolkowski

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

A pattern-reconfigurable, low-profile, efficient, electrically small, near-field resonant parasitic (NFRP), Huygens source antenna is presented. The design incorporates both electric and magnetic NFRP elements. The electric ones are made reconfigurable by the inclusion of a set of p-i-n diodes. By arranging these electric and magnetic NFRP elements properly, a set of three Huygens sources are attained, each covering a 120° sector. Pattern reconfigurability is obtained by switching the diodes on or off; it encompasses the entire 360° azimuth range. A prototype was fabricated and tested. The numerical and experimental studies are in good agreement. The experimental results indicate that in each of its instantaneous states at = 1.564$ GHz, the antenna provides uniform peak realized gains, front-to-back ratios, and radiation efficiencies, respectively, as high as 3.55 dBi, 17.5 dB, and 84.9%, even though it is electrically small: 0.92 , and low profile.

Original languageEnglish (US)
Article number7815297
Pages (from-to)1063-1072
Number of pages10
JournalIEEE Transactions on Antennas and Propagation
Volume65
Issue number3
DOIs
StatePublished - Mar 1 2017

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near fields
Diodes
antennas
Antennas
profiles
p-i-n diodes
Radiation
azimuth
coverings
sectors
diodes
prototypes
inclusions
radiation

Keywords

  • Electrically small antennas (ESAs)
  • Huygens source antennas
  • low-profile antennas
  • near-field resonant parasitic (NFRP) elements
  • pattern-reconfigurable antennas

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

Low-Profile, Electrically Small, Huygens Source Antenna with Pattern-Reconfigurability That Covers the Entire Azimuthal Plane. / Tang, Ming Chun; Zhou, Boya; Ziolkowski, Richard W.

In: IEEE Transactions on Antennas and Propagation, Vol. 65, No. 3, 7815297, 01.03.2017, p. 1063-1072.

Research output: Contribution to journalArticle

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