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Journal of Electrical and Computer Engineering
Volume 2015 (2015), Article ID 378054, 6 pages
http://dx.doi.org/10.1155/2015/378054
Research Article

Applying Pulse Width Modulation in Body Coupled Communication

Telecommunications Systems Laboratory, Electrical and Computer Engineering Department, Democritus University of Thrace, 67100 Xanthi, Greece

Received 6 May 2015; Accepted 1 September 2015

Academic Editor: Zhenjiang Zhang

Copyright © 2015 Miltiadis Moralis-Pegios et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

We study the application of Pulse Width Modulation (PWM) technique in Body Coupled Communication. The term Body Coupled Communication is used in order to specify that the human body or a part of it, such as an arm, is used as a path that transfers digital information. The digital information is either generated due to coupling of the body, for example, in medical equipment as a result of a measurement, or generated by external circuitry attached somewhere onto the body and is transferred to a terminal by touching it. In this paper, the latter case will be described, where, for illustration purposes, the touch of the human hand on a doorknob triggers the unlocking mechanism.