Gridded Parasitic Patch Stacked Microstrip Antenna With Beam Shift Capability for 60 GHz Band

Alexander Bondarik, Daniel Sjöberg

Research output: Book/ReportReportResearch

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Abstract

A microstrip antenna design is introduced in which a rectangular microstrip patch is coupled electromagnetically with a gridded rectangular patch placed above. The gridded patch consists of nine identical rectangular parts separated by a distance which is much smaller than a free space wavelength for a central frequency. The antenna is designed to operate in the 60 GHz band and is fabricated on a conventional PTFE (polytetrafluoroethylene) thin substrate. The antenna return loss bandwidth is comparable to a single parasitic patch aperture coupled antenna, while the proposed antenna gain is higher. Measurement results are in good agreement with simulation. Measured 10 dB return loss bandwidth is from 54 GHz up to 67 GHz. It fully covers the unlicensed band around 60 GHz. The measured antenna realized gain at 60 GHz is close to 8 dB, while the simulated antenna radiation efficiency is 85%. A simple beam shifting method is possible for this antenna structure by connecting adjacent outside parts in the gridded patch. The designed antenna is suitable for a high speed wireless communication system in particular for a user terminal in a fifth generation (5G) cellular network.
Original languageEnglish
Publisher[Publisher information missing]
Number of pages19
VolumeTEAT-7233
Publication statusPublished - 2014

Publication series

NameTechnical Report LUTEDX/(TEAT-7233)/1-19/(2014)
VolumeTEAT-7233

Subject classification (UKÄ)

  • Electrical Engineering, Electronic Engineering, Information Engineering

Keywords

  • Microstrip antennas
  • aperture coupling
  • stacked microstrip antennas
  • millimeter wave antennas

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