Abstract
Wideband miniaturized antenna along with high gain is much needed for biomedical implantable applications. Square patch with loop structure of 51.2 mm3 (8 mm × 8 mm × 0.8 mm) volume is printed on RT Duroid 5880 (εr = 2.2) low permittivity substrate. Parametric study is conducted to optimize the antenna structure. Tissue model is used to take the simulation results and Body Equivalent Solution is used for measuring the antenna performance. Good radiation performance is confirmed by obtaining a gain of −16.7 dBi at 2.45 GHz and a low SAR value of 35.03 W/kg over 10g tissue with input power 1W is obtained. Proposed antenna gives a 64.9% measured wide impedance bandwidth. This study reveals that simple antenna structure can provide good performance when it is placed in complicated environment.
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