A High-Gain Dielectric Resonator Antenna with Plastic-Based Conical Horn for Millimeter-Wave Applications

Edoardo Baldazzi, Ali Al-Rawi, Renato Cicchetti (Corresponding author), Adrianus Bart Smolders, Orlandino Testa, Carlos De Jong Van Coevorden Moreno, Diego Caratelli

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

A novel high-gain dielectric resonator antenna, featuring a peak realized gain of 11.3 dBi over a fractional bandwidth of 16.6% around 30 GHz, is presented. The proposed antenna structure, excited by a slot-coupled microstrip line, is composed of a cylindrical dielectric resonator and of a truncated plastic-based conical horn useful to enhance the gain. An annular perturbation notch is realized in the dielectric horn to achieve a better focusing of the RF energy along the antenna boresight direction, while reducing the sidelobe levels (SSLs). The presented antenna design achieves SSLs below -10 dB for both the E- and H-plane so to meet the requirements of next-generation 5G wireless communication protocols and of low-cost satellite and mobile systems.

Original languageEnglish
Article number9054940
Pages (from-to)949-953
Number of pages5
JournalIEEE Antennas and Wireless Propagation Letters
Volume19
Issue number6
DOIs
Publication statusPublished - Jun 2020

Keywords

  • Dielectric horn
  • dielectric resonator antenna (DRA)
  • fifth generation
  • high gain
  • millimeter-wave
  • wideband antennas

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