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Compact Quarter-Mode Substrate-Integrated Waveguide Dual-Frequency Millimeter-Wave Antenna Array for 5G Applications

  • Yu-Xiang Sun
  • , Di Wu*
  • , Xiao Sheng Fang
  • , Nan Yang*
  • *Corresponding author for this work

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

Abstract

A compact linearly polarized quarter-mode substrate-integrated waveguide (QMSIW) dual-frequency millimeter-wave antenna is presented in this letter. The antenna has two unequal-sized quarter-mode parts of two square substrate-integrated waveguide (SIW) cavities for two operating bands. Each quarter can be tuned independently. The two quarters are realized within one layer of substrate laminate and are placed in a back-to-back configuration, sharing the same row of metalized vias, which makes the structure very simple and compact. For the demonstration, a QMSIW dual-frequency antenna simultaneously operating at 28 and 38 GHz bands was designed for fifth-generation (5G) applications. Compared with a traditional full-mode SIW slot antenna, our element design merits in an antenna footprint miniaturization of 53.5%. A four-element corporate-fed antenna array was also designed, fabricated, and measured. Good agreement between the measured and simulated results is obtained. The measured peak antenna gains of 9.5 dBi and 11.0 dBi are obtained for the lower and upper bands, respectively.
Original languageEnglish
Article number9120219
Pages (from-to)1405-1409
JournalIEEE Antennas and Wireless Propagation Letters
Volume19
Issue number8
Online published18 Jun 2020
DOIs
Publication statusPublished - Aug 2020

Research Keywords

  • Antenna arrays
  • Antenna measurements
  • Resonant frequency
  • Antenna radiation patterns
  • 5G mobile communication
  • Substrates
  • Compact antenna
  • dual-frequency antenna
  • quarter-mode substrate-integrated waveguide (QMSIW)
  • substrate-integrated waveguide (SIW) antenna
  • MICROSTRIP

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