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

C. Yepes, E. Gandini, S. Monni, A. Neto, F. E. van Vliet, D. Cavallo

Research output: Contribution to journalArticleScientificpeer-review

2 Citations (Scopus)
79 Downloads (Pure)

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 - 2020

Keywords

  • Angular filtering
  • antenna arrays
  • pattern asymmetry
  • tilted dipole array
  • Pattern asymmetry
  • Tilted dipole array
  • Antenna arrays

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