Signal Path Loss through the Human Arm by Galvanic Coupling Intrabody Communication Using Noncontact Electrodes on the Transmission Side

DOI Web Site 参考文献10件 オープンアクセス
  • Ito Kenichi
    Department of Information and Electronics Engineering, Niigata Institute of Technology
  • Hotta Yu
    Department of Information and Electronics Engineering, Niigata Institute of Technology

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タイトル別名
  • —Simulation Study Using Circuit and Finite Element Method Models—

説明

<p>Galvanic coupling intrabody communication (IBC) is a novel technique that uses the human body as a transmission medium, and it is suitable for connecting wearable and implantable sensors and devices. If galvanic coupling IBC transmitters can be used on an insulating layer such as cloth, not only does it become easy to use but also its application range is dramatically increased. In order to examine its communicability, this study analyzed the signal path loss in partially noncontact galvanic coupling IBC using a four-terminal circuit and a finite element model. In addition, the effect of an LC series-parallel interface circuit, which effectively injects the signal into the human body, was examined. The attenuation of the transmitted signal was approximately 20 dB higher than that of contact galvanic coupling IBC at 2 MHz. The addition of the interface circuit improved the attenuation by approximately 20 dB at a resonant frequency of 2 MHz and could compensate its increment of the attenuation.</p>

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