Signal Transmission by Galvanic Coupling Through the Human Body

被引：144

作者：

Wegmueller, Marc Simon ^{[1
]}

Oberle, Michael ^{[2
]}

Felber, Norbert ^{[1
]}

Kuster, Niels ^{[2
]}

Fichtner, Wolfgang ^{[1
]}

机构：

[1] ETH, Swiss Fed Inst Technol, Integrated Syst Lab IIS, CH-8092 Zurich, Switzerland

[2] ETH, Fdn Res Informat Technol Soc ITIS, CH-8092 Zurich, Switzerland

来源：

IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | 2010年 / 59卷 / 04期

关键词：

Biomedical sensor network; electrode characterization; galvanic coupling; intrabody communication; measurement system;

D O I：

10.1109/TIM.2009.2031449

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Galvanic coupling is a promising approach for wireless intrabody data transmission between sensors. Using the human body as a transmission medium for electrical signals becomes a novel data communication technique in biomedical monitoring systems. In this paper, special attention is given to the coupling of the current into the human body. Safety requirements have to be fulfilled, and optimal signal coupling is of essence. Therefore, different electrodes are compared. A test system offers up to 1 mA contact current modulated in the frequency range of 10 kHz to 1MHz. The injected current is up to 20 times below the maximum allowed contact current. Such a low-current approach enables data communication that is more energy saving than other wireless technologies.

引用

页码：963 / 969

页数：7

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