In this paper, the design of a flexible textile antenna operating at a frequency of 2.4 GHz is presented. The structure has been inspired by the e vowel and has dimensions close to a \(\lambda /4\) resonator. The structure has been then analysed using the Characteristic Mode Theory (CMT) to understand the structure’s operation in the absence of the feed point. The characteristic angles, radiation patterns, and modal current distributions are represented. The S-parameter results of the proposed antenna using different types of conductive materials such as copper tape, silver ink, and buddy paint are presented below. Finally, the process used to manufacture the antennas and how the materials impact the antenna’s performance are described.

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Flexible Textile Antenna for IoT Applications at 2.4 GHz Analyzed with Characteristic Modes

  • Carlos Ramiro Peñafiel-Ojeda,
  • Alex Eduardo Guambaña-Tapia,
  • Jose Luis Jínez-Tapia,
  • Hugo Oswaldo Moreno Aviles,
  • Gabriela Tubon-Usca

摘要

In this paper, the design of a flexible textile antenna operating at a frequency of 2.4 GHz is presented. The structure has been inspired by the e vowel and has dimensions close to a \(\lambda /4\) resonator. The structure has been then analysed using the Characteristic Mode Theory (CMT) to understand the structure’s operation in the absence of the feed point. The characteristic angles, radiation patterns, and modal current distributions are represented. The S-parameter results of the proposed antenna using different types of conductive materials such as copper tape, silver ink, and buddy paint are presented below. Finally, the process used to manufacture the antennas and how the materials impact the antenna’s performance are described.