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<p>A Nanocomposite filled flexible compact circular shaped multiband antenna proposed for improving radiation characteristics of various wireless bands. A Yagi shaped radiator modified to a coplanar waveguide fed circular ring patch and ground that cover six bands with good isolation and its radiation is enhanced by nanocomposite filled slots in feed line that corresponds to the position of circular ring radiator. Polyaniline (PANI) a conducting polymers exhibits numerous benefits. Its conductivity greatly varies through redox reactions by adjusting proton levels. The combination of carbon coated cobalt (CCo) and dichloroacetic acid (DCAA) creates a homogeneous solution with magnetic properties from the ferromagnetic nature of CCo. This magnetodielectric nanocomposite antenna is formed by homogenizing a mixture encased with CCo solution. The electromagnetic radiation of antenna is increased by modulation of magnetic properties of CCo with electric properties of PANI and this proposed nanocomposite material CCo_PANI suitable for different bending conditions. The flexibility of antenna evaluated by different bending conditions, results are matched to rigid antenna and covers 1.80–2.45&#xa0;GHz PCS, 2.5/3.5&#xa0;GHz WiMAX, 5G NR 78, 5G sub 6&#xa0;GHz, Lower 6&#xa0;GHz 5G, 5.80&#xa0;GHz WLAN and 5.80&#xa0;GHz ISM bands.</p>

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A nanocomposite filled compact circular Hexa band radiator from a traditional Yagi antenna structure with enhanced radiation for flexible wireless applications

  • 期刊论文

  • 发表日期：

    2025年1月13日

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  • Abhilash S. Vasu,
  • T. K. Sreeja

摘要

A Nanocomposite filled flexible compact circular shaped multiband antenna proposed for improving radiation characteristics of various wireless bands. A Yagi shaped radiator modified to a coplanar waveguide fed circular ring patch and ground that cover six bands with good isolation and its radiation is enhanced by nanocomposite filled slots in feed line that corresponds to the position of circular ring radiator. Polyaniline (PANI) a conducting polymers exhibits numerous benefits. Its conductivity greatly varies through redox reactions by adjusting proton levels. The combination of carbon coated cobalt (CCo) and dichloroacetic acid (DCAA) creates a homogeneous solution with magnetic properties from the ferromagnetic nature of CCo. This magnetodielectric nanocomposite antenna is formed by homogenizing a mixture encased with CCo solution. The electromagnetic radiation of antenna is increased by modulation of magnetic properties of CCo with electric properties of PANI and this proposed nanocomposite material CCo_PANI suitable for different bending conditions. The flexibility of antenna evaluated by different bending conditions, results are matched to rigid antenna and covers 1.80–2.45 GHz PCS, 2.5/3.5 GHz WiMAX, 5G NR 78, 5G sub 6 GHz, Lower 6 GHz 5G, 5.80 GHz WLAN and 5.80 GHz ISM bands.