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Improved wearable, breathable, triple-band electromagnetic bandgap-loaded fractal antenna for wireless body area network applications

  • Mallavarapu Sandhya (Department of Electronics & Communications Engineering, National Institute of Technology Warangal) ;
  • Lokam Anjaneyulu (Department of Electronics & Communications Engineering, National Institute of Technology Warangal)
  • Received : 2023.03.31
  • Accepted : 2023.06.14
  • Published : 2024.08.20
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Abstract

A compact triple-band porous electromagnetic bandgap structure-loaded coplanar-waveguide-fed wearable antenna is introduced for applications of wireless body area networks. The porous structure is aimed to create a stopband or bandgap in the electromagnetic spectrum and increase breathability. The holes in the bottom electromagnetic bandgap surface increase the inductance, which in turn increases the bandwidth. The final design resonates at three bands with impedance bandwidths of 264 MHz, 100 MHz, and 153 MHz and maximum gains of 2.18 dBi, 6.75 dBi, and 9.50 dBi at 2.45 GHz, 3.5 GHz, and 5.5 GHz, respectively. In addition, measurements indicate that the proposed design can be deformed up to certain curvature and withstand human tissue loading. Moreover, the specific absorption rate remains within safe levels for humans. Therefore, the proposed antenna can suitably operate in the industrial, scientific, and medical, Bluetooth, Wi-Fi, and WiMAX bands for potential application to wireless body area networks.

Keywords

References

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