A Low-Profile CPW-Fed Circularly Polarized Antenna for Biomedical Applications

Sarosh Ahmad,Ahmed El Yousfi,Abdenasser Lamkaddem,Daniel Segovia Vargas

2022 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (AP-S/URSI)（2022）

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摘要

In telemetry applications, biomedical antennas perform a critical function. This study describes a small-profile, low-profile, circular-polarized biomedical antenna operating at a frequency of 2.45 GHz. To keep the antenna size small, it is provided via modified coplanar waveguide technology (CPW). To produce the circularly polarized antenna at the desired frequency range, the radiant monopole comprises of a grooved rectangular patch with a slit at a 45-degree angle and a tiny, truncated patch at the left end of the CPW ground plane. To obtain the bending capacity, RT5880 (εr = 2.2, tan = 0.0009) with a typical thickness of 0.254 mm is used. The planned antenna has a total volume of 21mm 13.5mm 0.254mm. The simulation also examines the flexible study along the (x & y) axis. This antenna has been scaled down and is an excellent candidate for biological applications.

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关键词

low-profile CPW-fed circularly polarized antenna,biomedical applications,telemetry applications,biomedical antennas,critical function,circular-polarized biomedical antenna,antenna size,modified coplanar waveguide technology,desired frequency range,grooved rectangular patch,45-degree angle,tiny patch,truncated patch,CPW ground plane,planned antenna,biological applications,frequency 2.45 GHz,size 0.254 mm,size 0.0345 mm

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