NDLI: Evaluation of the received signal level in relation to the size and carrier frequencies of the wearable device using human body as a transmission channel

Content Provider	IEEE Xplore Digital Library
Author	Fujii, K. Ito, K.
Copyright Year	2002
Description	Author affiliation: Graduate Sch. of Sci. & Technol., Chiba Univ., Japan (Fujii, K.)
Abstract	Studies of wearable computers have attracted public attention these days. One of the area of interest is the communication system adopted in those wearable computers. As an example, wearable devices which use the human body as a transmission channel have been developed. When a user wearing the transmitter touches the electrode of the receiver, a transmission channel is formed within the human body. In this paper, investigations of the received signal level in relation with the carrier frequency and the size of the transmitter using human body as a transmission channel have been presented. The results show that the received signal voltage is slightly influenced by using higher frequency from 10 MHz to 100 MHz in the ISM frequency bands. However, it strongly depends on the size of the transmitter. In addition, it is necessary that the direction of the electrode of the transmitter is transverse for higher received signal level, compared with the longitudinal direction.
Sponsorship	Univ. of California, Lawrence Livermore Nat. Lab. Northrop Grumman NSF ITT Industries ANSOFT
Starting Page	105
Ending Page	108
File Size	251463
Page Count	4
File Format	PDF
ISBN	0780383028
DOI	10.1109/APS.2004.1329564
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-06-20
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Frequency Humans Electrodes Transmitters Printed circuits Biological system modeling Wearable computers Finite difference methods Voltage Board of Directors
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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