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This manuscript proposes an ultra-wideband circular ring-type planar microstrip patch antenna with a partial ground plane. The antenna achieves an impedance bandwidth of approximately 38.1 GHz, encompassing a frequency range of 36.517–74.624 GHz. The presented radiator attains a fractional bandwidth of 68.57%, with a peak gain of 5.64 dBi, cover FR-II NR frequency bands n259 (39.50–43.50 GHz), n262 (47.20–48.20 GHz), n263 (57–71 GHz), and n260 (37–40 GHz). The proposed antenna is modeled on dielectric material Taconic (TLY-5) with a dielectric constant (εr) 2.2, a substrate width of 0.51 mm, and a loss tangent of 0.0009. The suggested element features a compact size with substrate dimensions of 10 × 6.30 mm2, exhibiting a quasi-omnidirectional radiation pattern with a maximum radiation efficiency of 96%. The simulation results, including return loss and VSWR, have been validated using CST Microwave Studio and Ansys HFSS, showing close agreement. This indicates that the proposed antenna is a strong candidate for 5G mmWave FR-II NR V-band and Ka-band wireless applications.

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Design and Analysis of Compact UWB Circular Ring Planar Antenna for mmWave FR-II NR Bands n259, n262, n263 (V-Band), and n260 (Ka-Band) for 5G Applications

  • 会议论文

  • 发表日期：

    2025年

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  • Pradeep Kumar,
  • Tej Raj,
  • Ankush Kapoor,
  • Nippani Satya Krishna

摘要

This manuscript proposes an ultra-wideband circular ring-type planar microstrip patch antenna with a partial ground plane. The antenna achieves an impedance bandwidth of approximately 38.1 GHz, encompassing a frequency range of 36.517–74.624 GHz. The presented radiator attains a fractional bandwidth of 68.57%, with a peak gain of 5.64 dBi, cover FR-II NR frequency bands n259 (39.50–43.50 GHz), n262 (47.20–48.20 GHz), n263 (57–71 GHz), and n260 (37–40 GHz). The proposed antenna is modeled on dielectric material Taconic (TLY-5) with a dielectric constant (εr) 2.2, a substrate width of 0.51 mm, and a loss tangent of 0.0009. The suggested element features a compact size with substrate dimensions of 10 × 6.30 mm2, exhibiting a quasi-omnidirectional radiation pattern with a maximum radiation efficiency of 96%. The simulation results, including return loss and VSWR, have been validated using CST Microwave Studio and Ansys HFSS, showing close agreement. This indicates that the proposed antenna is a strong candidate for 5G mmWave FR-II NR V-band and Ka-band wireless applications.