Indian Journal of Pure and Applied Physics

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Compact Dual-Band Zig Zag Shaped Implantable Antenna for Biomedical Devices


Affiliations
1 Department of Electronics and Communication Engineering, Bharati Vidyapeeth’s College of Engineering, New Delhi 110 063, India
2 Department of Electronics and Communication Engineering, Delhi Technological University, New Delhi 110 042, India
 

his paper presents a highly compact volume 12 mm 3 Zig Zag-shaped implantable antenna for biomedical applications. The antenna performance is closely analyzed in terms of penetration depth, different human tissues, substrate materials, reflection coefficient, Impedance Bandwidth, directive gain, and SAR values. The three different models are analyzed for different resonating frequencies. It is found that the proposed antenna shows dual ISM bands (900 MHz to 970 MHz 2.36GHz to 2.49 GHz) with impedance bandwidth of 7.77 % and 5.5% respectively. The proposed implantable antenna is successfully fabricated and tested in skin mimicking gel (vitro model). The performance of the proposed antenna is enhanced by using a sorting pin and slots that provides dual ISM bands, an acceptable SAR of 856.3 W/KG, and a directive gain of -28.68 dBi. Parametric analysis of the proposed implantable antenna has been studied in detail. Simulated and fabricated results are compared and found almost similar

Keywords

ISM (Industrial Scientific and medical); SAR (Specific absorption rate); BMD (Biomedical devices); IMD (implantable medical devices); MDAN (medicalbody area network)
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Abstract Views: 142

PDF Views: 94




  • Compact Dual-Band Zig Zag Shaped Implantable Antenna for Biomedical Devices

Abstract Views: 142  |  PDF Views: 94

Authors

Rajiv Kumar Nehra
Department of Electronics and Communication Engineering, Bharati Vidyapeeth’s College of Engineering, New Delhi 110 063, India
N S Raghava
Department of Electronics and Communication Engineering, Delhi Technological University, New Delhi 110 042, India

Abstract


his paper presents a highly compact volume 12 mm 3 Zig Zag-shaped implantable antenna for biomedical applications. The antenna performance is closely analyzed in terms of penetration depth, different human tissues, substrate materials, reflection coefficient, Impedance Bandwidth, directive gain, and SAR values. The three different models are analyzed for different resonating frequencies. It is found that the proposed antenna shows dual ISM bands (900 MHz to 970 MHz 2.36GHz to 2.49 GHz) with impedance bandwidth of 7.77 % and 5.5% respectively. The proposed implantable antenna is successfully fabricated and tested in skin mimicking gel (vitro model). The performance of the proposed antenna is enhanced by using a sorting pin and slots that provides dual ISM bands, an acceptable SAR of 856.3 W/KG, and a directive gain of -28.68 dBi. Parametric analysis of the proposed implantable antenna has been studied in detail. Simulated and fabricated results are compared and found almost similar

Keywords


ISM (Industrial Scientific and medical); SAR (Specific absorption rate); BMD (Biomedical devices); IMD (implantable medical devices); MDAN (medicalbody area network)

References