Dual-Mode Patch Antenna With Capacitive Coupling Structure for On-/Off-Body Applications

Guo Ping Gao; Zhi Heng Dou; Zhuo Qi Yu; Ben Kai Zhang; Jing Hang Dong; Bin Hu

doi:10.1109/LAWP.2022.3170555

Dual-Mode Patch Antenna With Capacitive Coupling Structure for On-/Off-Body Applications

Guo Ping Gao, Zhi Heng Dou, Zhuo Qi Yu, Ben Kai Zhang, Jing Hang Dong, Bin Hu^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

17 Citations (Scopus)

Abstract

A dual-band dual-mode antenna for on-/off-body centric communications is proposed for 2.4 and 5.8 GHz industrial scientific medical bands. Using polydimethylsiloxane as substrate, the proposed antenna has a compact structure and is easy to wear. The on-body mode is realized by a circular patch loaded with four symmetrically distributed metallic vias to generate TM$_{\mathbf{01}}$ mode located on the lower substrate. The off-body mode is achieved by a smaller circular patch on the top of the upper substrate, which generates a directional radiation pattern by exciting its TM$_{\mathbf{11}}$ mode. The measured operating bandwidths of the proposed antenna in two bands are 90 MHz (2.40-2.49 GHz) and 330 MHz (5.63-5.96 GHz), respectively. Average gain for the on-body mode is $-$2.38 dBi and for the off-body mode is 6.67 dBi. In addition, the antenna exhibits a robust performance near human tissue and low specific absorption rate values.

Original language	English
Pages (from-to)	1512-1516
Number of pages	5
Journal	IEEE Antennas and Wireless Propagation Letters
Volume	21
Issue number	8
DOIs	https://doi.org/10.1109/LAWP.2022.3170555
Publication status	Published - 1 Aug 2022
Externally published	Yes

Keywords

Capacitive coupling
Industrial, Scientific, and Medical (ISM) bands
dual-band dual-mode antenna
on-/off-body
wide bandwidth

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10.1109/LAWP.2022.3170555

Cite this

Gao, G. P., Dou, Z. H., Yu, Z. Q., Zhang, B. K., Dong, J. H., & Hu, B. (2022). Dual-Mode Patch Antenna With Capacitive Coupling Structure for On-/Off-Body Applications. IEEE Antennas and Wireless Propagation Letters, 21(8), 1512-1516. https://doi.org/10.1109/LAWP.2022.3170555

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title = "Dual-Mode Patch Antenna With Capacitive Coupling Structure for On-/Off-Body Applications",

abstract = "A dual-band dual-mode antenna for on-/off-body centric communications is proposed for 2.4 and 5.8 GHz industrial scientific medical bands. Using polydimethylsiloxane as substrate, the proposed antenna has a compact structure and is easy to wear. The on-body mode is realized by a circular patch loaded with four symmetrically distributed metallic vias to generate TM$_{\mathbf{01}}$ mode located on the lower substrate. The off-body mode is achieved by a smaller circular patch on the top of the upper substrate, which generates a directional radiation pattern by exciting its TM$_{\mathbf{11}}$ mode. The measured operating bandwidths of the proposed antenna in two bands are 90 MHz (2.40-2.49 GHz) and 330 MHz (5.63-5.96 GHz), respectively. Average gain for the on-body mode is $-$2.38 dBi and for the off-body mode is 6.67 dBi. In addition, the antenna exhibits a robust performance near human tissue and low specific absorption rate values.",

keywords = "Capacitive coupling, Industrial, Scientific, and Medical (ISM) bands, dual-band dual-mode antenna, on-/off-body, wide bandwidth",

author = "Gao, {Guo Ping} and Dou, {Zhi Heng} and Yu, {Zhuo Qi} and Zhang, {Ben Kai} and Dong, {Jing Hang} and Bin Hu",

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AU - Dou, Zhi Heng

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AU - Dong, Jing Hang

AU - Hu, Bin

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N2 - A dual-band dual-mode antenna for on-/off-body centric communications is proposed for 2.4 and 5.8 GHz industrial scientific medical bands. Using polydimethylsiloxane as substrate, the proposed antenna has a compact structure and is easy to wear. The on-body mode is realized by a circular patch loaded with four symmetrically distributed metallic vias to generate TM$_{\mathbf{01}}$ mode located on the lower substrate. The off-body mode is achieved by a smaller circular patch on the top of the upper substrate, which generates a directional radiation pattern by exciting its TM$_{\mathbf{11}}$ mode. The measured operating bandwidths of the proposed antenna in two bands are 90 MHz (2.40-2.49 GHz) and 330 MHz (5.63-5.96 GHz), respectively. Average gain for the on-body mode is $-$2.38 dBi and for the off-body mode is 6.67 dBi. In addition, the antenna exhibits a robust performance near human tissue and low specific absorption rate values.

AB - A dual-band dual-mode antenna for on-/off-body centric communications is proposed for 2.4 and 5.8 GHz industrial scientific medical bands. Using polydimethylsiloxane as substrate, the proposed antenna has a compact structure and is easy to wear. The on-body mode is realized by a circular patch loaded with four symmetrically distributed metallic vias to generate TM$_{\mathbf{01}}$ mode located on the lower substrate. The off-body mode is achieved by a smaller circular patch on the top of the upper substrate, which generates a directional radiation pattern by exciting its TM$_{\mathbf{11}}$ mode. The measured operating bandwidths of the proposed antenna in two bands are 90 MHz (2.40-2.49 GHz) and 330 MHz (5.63-5.96 GHz), respectively. Average gain for the on-body mode is $-$2.38 dBi and for the off-body mode is 6.67 dBi. In addition, the antenna exhibits a robust performance near human tissue and low specific absorption rate values.

KW - Capacitive coupling

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KW - dual-band dual-mode antenna

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Dual-Mode Patch Antenna With Capacitive Coupling Structure for On-/Off-Body Applications

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