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<p>This article presents a high-performance rectangular microstrip patch antenna optimized for millimeter-wave (mmW) applications in the 26–40&#xa0;GHz frequency range, targeting satellite communication and 5G networks. The antenna is designed on a cost-effective FR-4 substrate and employs an inset feed and partial ground plane, significantly enhancing impedance matching and bandwidth. With the substrate dimensions of 20&#xa0;mm × 22.5&#xa0;mm, it achieves an exceptional return loss of -55.03 dB, ensuring minimal signal reflection. The near-perfect VSWR of 1.0035 further confirms its efficient power transfer. Operating at a resonant frequency of 27.98&#xa0;GHz, the antenna maintains a 49.84 Ω impedance matching. Most notably, it delivers a super-wide bandwidth of 4.22&#xa0;GHz, surpassing the industry’s 26 to 40&#xa0;GHz benchmark for next-generation wireless systems. Simulation results validate the antenna’s reliability, making it a promising candidate for high-frequency communication applications.</p>

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High Performance Enhancement of Microstrip Patch Antenna at 28 GHz for RADAR and Satellite Communications

  • 期刊论文

  • 发表日期：

    2026年3月31日

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  • J. Josiah Samuel Raj,
  • G. Anitha,
  • R. Saravanakumar

摘要

This article presents a high-performance rectangular microstrip patch antenna optimized for millimeter-wave (mmW) applications in the 26–40 GHz frequency range, targeting satellite communication and 5G networks. The antenna is designed on a cost-effective FR-4 substrate and employs an inset feed and partial ground plane, significantly enhancing impedance matching and bandwidth. With the substrate dimensions of 20 mm × 22.5 mm, it achieves an exceptional return loss of -55.03 dB, ensuring minimal signal reflection. The near-perfect VSWR of 1.0035 further confirms its efficient power transfer. Operating at a resonant frequency of 27.98 GHz, the antenna maintains a 49.84 Ω impedance matching. Most notably, it delivers a super-wide bandwidth of 4.22 GHz, surpassing the industry’s 26 to 40 GHz benchmark for next-generation wireless systems. Simulation results validate the antenna’s reliability, making it a promising candidate for high-frequency communication applications.