期刊
2022 INTERNATIONAL WORKSHOP ON ANTENNA TECHNOLOGY (IWAT)
卷 -, 期 -, 页码 90-92出版社
IEEE
DOI: 10.1109/iWAT54881.2022.9811086
关键词
aluminum antenna; band-aid; bandage-type antenna PDMS; Sub-GHz; UHF; wearable antenna
资金
- Enterprise Ireland [IP20170559]
- Science Foundation Ireland (SFI) [13/RC/2077, SFI/12/RC/2289c]
- European Regional Development Fund
- Vistamilk [16/RC/3835]
- Holistics DTIF [EIDT20180291-A]
- IDA [IP20170559]
This paper presents an 868 MHz ultra-high frequency bandage-type antenna for wireless body sensor network applications. The proposed antenna achieves a wide bandwidth and desired performance characteristics, making it suitable for various health monitoring applications.
This paper presents an 868 MHz ultra-high frequency (UHF) bandage-type antenna for wireless body sensor network applications. The proposed antenna has a modified planar rectangular patch antenna topology and is realized using aluminum metalization and a flexible polydimethylsiloxane (PDMS) substrate. The performance characteristics of the antenna have been investigated through electromagnetic simulations and measurements on a human body phantom arm. The proposed antenna achieves a bandwidth of 11 MHz which is 57 % wider than the required bandwidth for the European LoRaWAN 868 MHz band operation. When compared to bandage-type Sub-GHz antennas reported in the literature, the proposed antenna exhibits desired gain and efficiency performance. Furthermore, the developed antenna demonstrates a low 10-g averaged SAR figure of 0.82 W/kg when 25 mW input power is supplied. The achieved impedance and radiation characteristics make the proposed antenna suitable for a wide range of body-worn wireless health monitoring applications.
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