Single-Layer, Unidirectional, Broadside-Radiating Planar Quadrupole Antenna for 5G IoT Applications

Rocio Rodriguez Cano, Richard W. Ziolkowski

Research output: Contribution to journalJournal articleResearchpeer-review

3 Citations (Scopus)
133 Downloads (Pure)

Abstract

In this article, an innovative quadrupole-based broadside-radiating unidirectional antenna is designed at 28.475 GHz for fifth-generation (5G) Internet of Things (IoT) applications. The planar antenna is based on a single-layer technology and realized on a flexible substrate to facilitate conformal applications. It consists of a coax-fed-driven dipole and two quadrupolar near-field resonant parasitic (NFRP) elements. The broadside-radiating design achieves a unidirectional pattern with a realized gain of 4.85 dBi and a front-to-back ratio of 9.4 dB. The total efficiency of the antenna is 85%. A differential-fed prototype was designed, fabricated, and tested at 1.579 GHz to make the measurements more manageable. The measured and simulated results are in good agreement.

Original languageEnglish
Article number9362181
JournalI E E E Transactions on Antennas and Propagation
Volume69
Issue number9
Pages (from-to)5224- 5233
Number of pages10
ISSN0018-926X
DOIs
Publication statusPublished - Sep 2021

Keywords

  • Broadside radiation
  • Internet-of-Things (IoT)
  • high efficiency
  • planar antennas
  • unidirectional pattern

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