Design of Broadband Implantable Antenna for Biomedical Application

Ching-Fang Tseng,
Bo-Zhong Huang,
Wen-Chieh Chuang,


A broadband implantable antenna is presented for the biomedical implantable system applications. The proposed antenna adopts a spiral monopole structure to realize the purpose of miniaturization size. The total size of the antenna including the biocompatible superstrates is 15 × 15 × 1.42 mm3 operating frequency at 402 MHz. The effects of some design parameters on performance of proposed antenna are discussed. The simulated and measured in skin-mimicking gel show that the broad bandwidths of 150 MHz (310–460 MHz) and 260 MHz (280–540 MHz) at return loss of 10 dB can be achieved covering the entire Medical Device Radiocommunications Service (MedRadio) and Industrial Scientific Medical (ISM, 433–438 MHz) bands, respectively. The broadband implantable antenna performs an omnidirectional pattern, showing a good candidate for biomedical implantable systems application.


Implantable antenna, Medical Device Radiocommunications Service (MedRadio), Industrial Scientific Medical (ISM), Broadband antenna

Citation Format:
Ching-Fang Tseng, Bo-Zhong Huang, Wen-Chieh Chuang, "Design of Broadband Implantable Antenna for Biomedical Application," Journal of Internet Technology, vol. 23, no. 4 , pp. 853-858, Jul. 2022.

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