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<p>A compact, cost-effective, and super wideband (SWB) antenna with coplanar waveguide (CPW) feed is proposed in the frequency range of 3.1&#xa0;GHz to &gt; 60&#xa0;GHz for 5G and 6G applications. Square-shaped patch geometry is engineered based on the surface current distributions to realize SWB and high gain while maintaining compactness (0.34 𝛌0 × 0.29 𝛌0). Most significantly, the proposed design exhibits substrate-independent characteristics in the dielectric constant range of 2.2 to 6.45, which makes it compatible with a diverse work environment. This proposed one-element antenna without any additional structure offers an average peak gain of 3.27 dBi with a maximum peak gain of 6.44 dBi. The antenna design topology is analyzed in both the frequency and time domain. An equivalent circuit model is also developed to validate the electro magnetic (EM) simulation results. The measured results of the fabricated prototype are in good agreement with the simulation results.</p>

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Substrate Independent Compact Super Wideband Antenna for 5G/6G Applications

  • 期刊论文

  • 发表日期：

    2026年1月28日

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  • Aditi Sharma,
  • Sumit Kumar Gupta,
  • Sudeep Kumar,
  • Kaushik Mandal,
  • Shrivishal Tripathi,
  • Soma Das

摘要

A compact, cost-effective, and super wideband (SWB) antenna with coplanar waveguide (CPW) feed is proposed in the frequency range of 3.1 GHz to > 60 GHz for 5G and 6G applications. Square-shaped patch geometry is engineered based on the surface current distributions to realize SWB and high gain while maintaining compactness (0.34 𝛌0 × 0.29 𝛌0). Most significantly, the proposed design exhibits substrate-independent characteristics in the dielectric constant range of 2.2 to 6.45, which makes it compatible with a diverse work environment. This proposed one-element antenna without any additional structure offers an average peak gain of 3.27 dBi with a maximum peak gain of 6.44 dBi. The antenna design topology is analyzed in both the frequency and time domain. An equivalent circuit model is also developed to validate the electro magnetic (EM) simulation results. The measured results of the fabricated prototype are in good agreement with the simulation results.