Pattern reconfigurable, vertically polarized, low-profile, compact, near-field resonant parasitic antenna

Ming Chun Tang, Yunlu Duan, Zhentian Wu, Xiaoming Chen, Mei Li, Richard W. Ziolkowski

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

A vertically polarized, low-profile, compact, near-field resonant parasitic antenna with pattern reconfigurability is demonstrated. The antenna has three dynamic end-fire states facilitated with only three p-i-n diodes. The radiation pattern in each state covers more than 120° in its azimuth plane and, hence, it achieves beam scanning that covers the entire azimuth plane. The antenna height and transverse size are, respectively, only 0.048λ 0 and 0.1λ 0 2 . Measured results, in good agreement with their simulated values, demonstrate that the antenna exhibits a 11% fractional impedance bandwidth, and a 6.6 dBi peak realized gain in all three of its pattern-reconfigurable states. Stable and high peak realized gain values are realized over its entire operational band surrounding 2.22 GHz.

Original languageEnglish (US)
Article number8550795
Pages (from-to)1467-1475
Number of pages9
JournalIEEE Transactions on Antennas and Propagation
Volume67
Issue number3
DOIs
StatePublished - Mar 2019

Keywords

  • Compact
  • end-fire radiation
  • near-field resonant parasitic (NFRP) antenna
  • pattern reconfigurable
  • vertical polarization

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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