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<p>This research paper introduces a reconfigurable and compact microstrip patch antenna designed and optimized for sub-6 GHz frequency bands, aligned with advancements toward millimeter-wave applications. The proposed antenna operates within the 2412–2484 MHz band for WiFi and the 3300–3800 MHz band for 5&#xa0;G mobile phone communications. The antenna features a circular patch structure with compact dimensions, facilitating integration into miniature components and devices for wireless applications. To achieve frequency reconfigurability, a PIN diode was used as the switching technique. The antenna dimensions were optimized and simulated using CST and HFSS software. The simulation results were validated through measurements of the manufactured antenna. The antenna was fabricated on an FR4 epoxy substrate with a relative permittivity of 4.4 and a thickness of 1.6 mm.</p>

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Design and fabrication of a novel frequency-reconfigurable patch antenna for WiFi and 5 G applications

  • 期刊论文

  • 发表日期：

    2025年3月25日

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  • Nouhayla El Anzoul,
  • Younes Karfa Bekali,
  • Khalid Minaoui,
  • Mohammed Lahsaini,
  • Ilyass Saouidi

摘要

This research paper introduces a reconfigurable and compact microstrip patch antenna designed and optimized for sub-6 GHz frequency bands, aligned with advancements toward millimeter-wave applications. The proposed antenna operates within the 2412–2484 MHz band for WiFi and the 3300–3800 MHz band for 5 G mobile phone communications. The antenna features a circular patch structure with compact dimensions, facilitating integration into miniature components and devices for wireless applications. To achieve frequency reconfigurability, a PIN diode was used as the switching technique. The antenna dimensions were optimized and simulated using CST and HFSS software. The simulation results were validated through measurements of the manufactured antenna. The antenna was fabricated on an FR4 epoxy substrate with a relative permittivity of 4.4 and a thickness of 1.6 mm.