X-shaped slotted patch biomedical implantable antenna for wireless communication networks
Biomedical implantable antennas have a major role in biomedical telemetry applications. Therefore, a compact-size low-profile implantable antenna working in industrial, scientific, and medical (ISM) band at 915 MHz is presented. The presented antenna is a simple slotted patch fed with a coaxial prob...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | en |
| Published: |
Hindawi Limited
2022
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| Online Access: | http://eprints.utem.edu.my/id/eprint/26639/2/PUBLISHED%20WCMC%202022%207594587.PDF http://eprints.utem.edu.my/id/eprint/26639/ https://downloads.hindawi.com/journals/wcmc/2022/7594587.pdf https://doi.org/10.1155/2022/7594587 |
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| Summary: | Biomedical implantable antennas have a major role in biomedical telemetry applications. Therefore, a compact-size low-profile implantable antenna working in industrial, scientific, and medical (ISM) band at 915 MHz is presented. The presented antenna is a simple slotted patch fed with a coaxial probe of 50 Ω impedance. The patch consists of four slotted resonators printed on a flexible Roger Duroid RT5880 substrate (εr = 2:2, tan δ = 0:0009) with the standard thickness of 0.254 mm. The complete volume of the designed antenna is 7 mm × 7 mm × 0:254 mm (0:08λg × 0:08λg × 0:003λg). The antenna covers the bandwidth from 800 MHz to 1 GHz (200 MHz) inside skin tissue. A good agreement between the simulation and measurements of the antenna has been obtained. Finally, the specific absorption rate (SAR) values have also been analyzed through simulations as 8.17 W/kg inside skin over 1 g of mass tissue. The proposed SAR values are less than the limit of the Federal Communications
Commission (FCC). This antenna is miniaturized and an ideal applicant for applications in biomedical implants |
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