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A compact frequency reconfigurable high gain antenna for 5G millimeter wave communication

Author

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  • Wufu Zhu
  • Hongmei Mi
  • Jiabin Yu
  • Lihua Xiao
  • Binggang Xiao

Abstract

A compact frequency reconfigurable high gain antenna for 5G millimeter wave communication is proposed in this article. The antenna comprises a three-layer structure with two parallel slots and an I-shaped patch on the upper surface. A PIN diode connects the patch to the surface, enabling reconfiguration by toggling its conduction state. Based on a substrate integrated waveguide (SIW), the antenna excites the TE320 mode within its operating band. Switching the diode shifts this mode, achieving frequency reconfiguration without altering the radiation element. Measurements confirm operation in the n257 (24.8–26.2 GHz) and n258 (26.3–27.1 GHz) bands. The antenna achieves a peak gain of 8.83 dBi and radiation efficiency above 74.1%. With compact size, wide bandwidth, and high gain, the design offers a simplified and efficient solution for millimeter wave 5G communication.

Suggested Citation

  • Wufu Zhu & Hongmei Mi & Jiabin Yu & Lihua Xiao & Binggang Xiao, 2025. "A compact frequency reconfigurable high gain antenna for 5G millimeter wave communication," Journal of Electromagnetic Waves and Applications, Taylor & Francis Journals, vol. 39(13), pages 1588-1599, September.
    • Handle: RePEc:taf:tewaxx:v:39:y:2025:i:13:p:1588-1599
    DOI: 10.1080/09205071.2025.2524396
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