A Linear Array of Skewed Dipoles with Asymmetric Radiation Pattern for Angular Filtering

Cristina Yepes*, Erio Gandini, Stefania Monni, Andrea Neto, Frank E. Van Vliet, Daniele Cavallo

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

1 Citation (Scopus)

Abstract

In this letter, we present a design of a linear array of tilted dipoles to achieve radiation patterns with asymmetric angular filtering characteristics. To realize the asymmetric radiation, the dipole elements are spaced by a distance larger than half a wavelength, thus allowing for grating lobes to occur in the visible region. Moreover, the dipoles are loaded with artificial dielectrics to increase the front-to-back ratio and consequently to enable higher gain in certain desired angular regions. Based on the design, a linear array with ten elements is manufactured and tested. The measured results show the ability of such an array to achieve stable gain from broadside up to 90° scanning while implementing a stopband angular filter for negative scanning angles.

Original languageEnglish
Article number8985266
Pages (from-to)408-412
Number of pages5
JournalIEEE Antennas and Wireless Propagation Letters
Volume19
Issue number3
DOIs
Publication statusPublished - Mar 2020

Keywords

  • Angular filtering
  • Antenna arrays
  • Pattern asymmetry
  • Tilted dipole array

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