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首页> 外文期刊>International journal of microwave and wireless technologies >A fully flexible, high gain saw-tooth-shaped boundary fractal wearable patch antenna for WBAN applications
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A fully flexible, high gain saw-tooth-shaped boundary fractal wearable patch antenna for WBAN applications

机译：A fully flexible, high gain saw-tooth-shaped boundary fractal wearable patch antenna for WBAN applications

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摘要

A flexible and high gain saw-tooth-shaped boundary fractal wearable antenna is anticipatedfor WBAN applications. A square shape is converted to the saw-tooth-shaped boundary bysequentially rotating the square at an angle of 45° and overlaid on one another and repeatedthe same for three iterations. The geometry is built on a flexible jeans substrate, and the totalsize of the anticipated antenna is 0.583λ × 0.583λ × 0.02λ at 2.4 GHz. A prototype has beenmade to test its suitability for wearable applications’ gain, bandwidth, and efficiency. Theresults revealed that the proposed antenna provides an impedance bandwidth of 4.2% anda peak gain of 5.76 dBi at the 2.45 GHz ISM band. The anticipated antenna is wrapped aroundfoam cylinders of radii 70 and 50mm to test the stability and deformability of its performance.The full ground plane isolates the antenna from the human body contributing to thelower SAR values. The simulated maximum achieved specific absorption rate (SAR) of0.3025 and 1.16 W/kg for 10 and 1 g of average tissue for the input power of 100mW, respectively,found within the standards as per FCC. The peak gain, compact size, and SAR permanencemade the anticipated antenna a worthy candidate for wearable on/off body applications.

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