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This paper presents a new miniaturized band-pass filter structure based on a Hairpin resonator configuration operating at 3.5 GHz and intended for 5G communications. The major contribution lies in modifying the geometry of the Hairpin resonator into an E-shaped form, enabling the attainment of desired performance. The filter, designed and fabricated on an FR4 planar substrate, occupies a compact size of 30 × 20 mm2. It offers very low insertion losses, approximately 0.5 dB, and return losses of around 26 dB, making it particularly suitable for advanced applications such as remote robotic surgery. This innovative design not only minimizes losses but also reduces footprint, providing an efficient and compact solution for the communication needs of 5G technology.

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Innovative E-Shaped Hairpin Filter Design for 5G Communications in Medical Applications

  • 会议论文

  • 发表日期：

    2025年

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  • Soufiane Achraou,
  • Moustapha El Bakkali,
  • Alia Zakriti,
  • Dahbi El Khamlichi,
  • Souhaila Ben Haddi

摘要

This paper presents a new miniaturized band-pass filter structure based on a Hairpin resonator configuration operating at 3.5 GHz and intended for 5G communications. The major contribution lies in modifying the geometry of the Hairpin resonator into an E-shaped form, enabling the attainment of desired performance. The filter, designed and fabricated on an FR4 planar substrate, occupies a compact size of 30 × 20 mm2. It offers very low insertion losses, approximately 0.5 dB, and return losses of around 26 dB, making it particularly suitable for advanced applications such as remote robotic surgery. This innovative design not only minimizes losses but also reduces footprint, providing an efficient and compact solution for the communication needs of 5G technology.