Dual-Polarized Highly Folded Bowtie Antenna With Slotted Self-GroundedStructure for Sub-6 GHz 5G Applications Articles uri icon

authors

  • ALIBAKHSHIKENARI, MOHAMMAD
  • YANG, JIAN
  • ABD-ALHAMEED, RAED
  • FALCONE, FRANCISCO
  • LIMITI, ERNESTO
  • VIRDEE, BAL S.
  • SEE, CHAN HWANG
  • SHUKLA, PANCHAM
  • MOGHADDAM, SADEGH MANSOURI
  • ZAMAN, ASHRAF UZ
  • SHAFQAAT, SAMIA
  • AKINSOLU, MOBAYODE O.
  • LIU, BO

publication date

  • April 2022

start page

  • 3028

end page

  • 3033

issue

  • 4

volume

  • 70

International Standard Serial Number (ISSN)

  • 0018-926X

Electronic International Standard Serial Number (EISSN)

  • 1558-2221

abstract

  • In this communication, a novel dual-polarized highly folded
    self-grounded Bowtie antenna that is excited through I-shaped slots
    is proposed for applications in sub-6 GHz 5G multiple-input-multipleoutput
    (MIMO) antenna systems. The antenna consists of two pairs of
    folded radiation petals whose base is embedded in a double layer of FR-4
    substrate with a common ground-plane which is sandwiched between the
    two substrate layers. The ground-plane is defected with two I-shaped slots
    located under the radiation elements. Each pair of radiation elements are
    excited through a microstrip line on the top layer with RF signal that is
    180º out of phase with respect to each other. The RF signal is coupled
    to the pair of feedlines on the top layer through the I-shaped slots from
    the two microstrip feedlines on the underside of the second substrate.
    The proposed feed mechanism gets rid of the otherwise bulky balun.
    The Bowtie antenna is a compact solution with dimensions of 32 × 32 ×
    33.8 mm3.Measured results have verified that the antenna operates over a
    frequency range of 3.1–5 GHz and exhibits an average gain and antenna
    efficiency in the vertical and horizontal polarizations of 7.5 dBi and
    82.6%, respectively.

keywords

  • 5g applications, bowtie antenna, dual-polarized; i-shaped slot, multiple-input-multiple-output (mimo), slotted selfgrounded; structure, sub-6 ghz.