NDLI: Input impedance characteristics of wearable transmitter electrodes for intra-body communication

Content Provider	IEEE Xplore Digital Library
Author	Koshiji, F. Sasaki, K. Muramatsu, D. Koshiji, K.
Copyright Year	2012
Description	Author affiliation: Graduate School of Frontier Sciences, The University of Tokyo, 5-1-5 Kashiwano-ha, Kashiwa-shi, Chiba 277-8563, JAPAN (Sasaki, K.; Muramatsu, D.) \|\| School of Science and Engineering, Kokushikan University, 4-28-1 Setagaya, Setagaya-ku, Tokyo 154-8515, JAPAN (Koshiji, F.) \|\| Faculty of Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda-shi, Chiba 278-8510, JAPAN (Koshiji, K.)
Abstract	Intra-body communication draws attention as a promising wireless technology in order to materialize wireless body-centric networks. An electrode in intra-body communication system is a key device since the electrodes are analogous to antennas in airborne wireless communication system. However, nobody has addressed the broadband input impedance characteristics of the electrodes although there are a few study reports discussing them at one single frequency. In this paper, the input impedance characteristics of the wearable transmitter electrodes in the frequency range of 500 kHz to 1 GHz, and the electromagnetic field distributions around and inside the human arm at the frequency of 10 MHz were investigated. As a result, both magnitudes of the resistive and reactive components of the input impedance increased as frequency increased below 200 MHz. Further, it was also found that the electric field was strongly distributed only the vicinity of the human arm with a transmitter. It could be advantageous in the view points of the high-secured communication and the electromagnetic compatibility (EMC).
Starting Page	362
Ending Page	363
File Size	495801
Page Count	2
File Format	PDF
ISBN	9781467315005
e-ISBN	9781467315012
DOI	10.1109/GCCE.2012.6379627
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-10-02
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electrodes Input impedance Transmitters Humans Intra-body communication Educational institutions Electromagnetic compatibility Electromagnetic field analysis Impedance Electromagnetic fields Wearable FDTD method
Content Type	Text
Resource Type	Article

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