Gao Y M, Pun S H, Du M, Mak P U, Vai M I
Key Laboratory of Medical Instrumentation & Pharmaceutical Technology, Fu jian Province, China.
Annu Int Conf IEEE Eng Med Biol Soc. 2009;2009:697-700. doi: 10.1109/IEMBS.2009.5332704.
Intra-Body Communication(IBC) is a short range "wireless" communication technique appeared in recent years. This technique relies on the conductive property of human tissue to transmit the electric signal among human body. This is beneficial for devices networking and sensors among human body, and especially suitable for wearable sensors, telemedicine system and home health care system as in general the data rates of physiologic parameters are low. In this article, galvanic coupling type IBC application on human limb was investigated in both its mathematical model and related experiments. The experimental results showed that the proposed mathematical model was capable in describing the galvanic coupling type IBC under low frequency. Additionally, the calculated result and experimental result also indicated that the electric signal induced by the transmitters of IBC can penetrate deep into human muscle and thus, provide an evident that IBC is capable of acting as networking technique for implantable devices.
体内通信（IBC）是近年来出现的一种短距离“无线”通信技术。该技术依靠人体组织的导电性在人体内传输电信号。这有利于人体内部设备联网和传感器应用，尤其适用于可穿戴传感器、远程医疗系统和家庭医疗保健系统，因为一般生理参数的数据速率较低。本文对电耦合型IBC在人体肢体上的应用进行了数学模型和相关实验研究。实验结果表明，所提出的数学模型能够描述低频下的电耦合型IBC。此外，计算结果和实验结果还表明，IBC发射器感应的电信号能够深入人体肌肉，从而证明IBC能够作为植入式设备的联网技术。
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