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<p>A compact miniaturized form of a copper antenna having the shape and feel as a physical button on garments is proposed, created, and produced for Wi-Fi applications. The antenna can transmit and receive the signal covering LTE Band 3 at 1.87&#xa0;GHz and Wi-Fi/Wireless Local Area Network (WLAN) at 2.4&#xa0;GHz. The conductive spiral patch was printed on a Fleece substrate with a 2.2 dielectric value, 1.6&#xa0;mm its depth, and 0.025 loss tangential. The radius of the circular patch that is etched to obtain the conducting spirals is 5&#xa0;mm, and the ground plane is completely covered. The Return loss(S11) of the proposed antenna is − 22 dB and − 32 dB at 1.8&#xa0;GHz, and 2.4&#xa0;GHz, respectively, and its respective − 10 dB bandwidth is 100&#xa0;MHz and 600&#xa0;MHz. The gain of the antenna is 1.9 dBi and 2.9 dBi at 1.8&#xa0;GHz and 2.4&#xa0;GHz, respectively. This antenna has a peak gain of 2.9 dBi. This wearable button antenna offers a reduced profile, more concealment capability, and increased rigidity. Hence, the proposed antenna is recommended for a variety health care purpose.</p>

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Compact Spiral-Shaped Wearable Button Antenna for Wi-Fi Application

  • 期刊论文

  • 发表日期：

    2026年3月30日

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  • K. Malaisamy,
  • G. Haridoss,
  • Karthick Ramanathan,
  • A. Sureshkumar,
  • M. Vinoth

摘要

A compact miniaturized form of a copper antenna having the shape and feel as a physical button on garments is proposed, created, and produced for Wi-Fi applications. The antenna can transmit and receive the signal covering LTE Band 3 at 1.87 GHz and Wi-Fi/Wireless Local Area Network (WLAN) at 2.4 GHz. The conductive spiral patch was printed on a Fleece substrate with a 2.2 dielectric value, 1.6 mm its depth, and 0.025 loss tangential. The radius of the circular patch that is etched to obtain the conducting spirals is 5 mm, and the ground plane is completely covered. The Return loss(S11) of the proposed antenna is − 22 dB and − 32 dB at 1.8 GHz, and 2.4 GHz, respectively, and its respective − 10 dB bandwidth is 100 MHz and 600 MHz. The gain of the antenna is 1.9 dBi and 2.9 dBi at 1.8 GHz and 2.4 GHz, respectively. This antenna has a peak gain of 2.9 dBi. This wearable button antenna offers a reduced profile, more concealment capability, and increased rigidity. Hence, the proposed antenna is recommended for a variety health care purpose.