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This chapter presents a single-layered LCPC for dual-band 5G millimeter-wave communication systems, utilizing FSS. The novel unit cell features two identical metallic strips with a cross and split slot ring resonator on both sides of the dielectric material. This configuration enables the transformation of (LP) waves into left-hand CP waves within the 21.14–22.86 GHz range, covering the K-band, and right-hand CP waves within the 40.71–43.59 GHz range, covering the Ka-band, which are in the millimeter-wave range. The design achieves minimal axial ratios (AR) of 0.43 dB and 0.18 dB at the lower and upper frequencies, respectively. The 3 dB axial ratio bandwidth (ARBW) spans 22.07–23.16 GHz with a 4.96% bandwidth for the lower band and 42.67–44.68 GHz with a 4.78% bandwidth for the upper band. The unit cell design and simulations are conducted using Ansys HFSS software, demonstrating the converter’s effectiveness and potential for enhancing millimeter-wave communication systems through efficient polarization conversion.

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A Single-Layered Linear-to-Circular Polarization Converter for Dual-Band 5G Millimeter-Wave Communication Systems Using Frequency-Selective Surface

  • 章节

  • 发表日期：

    2025年

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  • Habanaibok Suting,
  • Soumendu Ghosh,
  • Abhishek Sarkhel,
  • Prabir Saha

摘要

This chapter presents a single-layered LCPC for dual-band 5G millimeter-wave communication systems, utilizing FSS. The novel unit cell features two identical metallic strips with a cross and split slot ring resonator on both sides of the dielectric material. This configuration enables the transformation of (LP) waves into left-hand CP waves within the 21.14–22.86 GHz range, covering the K-band, and right-hand CP waves within the 40.71–43.59 GHz range, covering the Ka-band, which are in the millimeter-wave range. The design achieves minimal axial ratios (AR) of 0.43 dB and 0.18 dB at the lower and upper frequencies, respectively. The 3 dB axial ratio bandwidth (ARBW) spans 22.07–23.16 GHz with a 4.96% bandwidth for the lower band and 42.67–44.68 GHz with a 4.78% bandwidth for the upper band. The unit cell design and simulations are conducted using Ansys HFSS software, demonstrating the converter’s effectiveness and potential for enhancing millimeter-wave communication systems through efficient polarization conversion.