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Sensors 2012, 12(12), 16557-16570; doi:10.3390/s121216557

Signal Transmission in a Human Body Medium-Based Body Sensor Network Using a Mach-Zehnder Electro-Optical Sensor

School of Opto-Electronic, Beijing Institute of Technology, Beijing 100081, China
Author to whom correspondence should be addressed.
Received: 17 October 2012 / Revised: 22 November 2012 / Accepted: 23 November 2012 / Published: 30 November 2012
(This article belongs to the Special Issue Body Sensor Networks for Healthcare and Pervasive Applications)
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The signal transmission technology based on the human body medium offers significant advantages in Body Sensor Networks (BSNs) used for healthcare and the other related fields. In previous works we have proposed a novel signal transmission method based on the human body medium using a Mach-Zehnder electro-optical (EO) sensor. In this paper, we present a signal transmission system based on the proposed method, which consists of a transmitter, a Mach-Zehnder EO sensor and a corresponding receiving circuit. Meanwhile, in order to verify the frequency response properties and determine the suitable parameters of the developed system, in-vivo measurements have been implemented under conditions of different carrier frequencies, baseband frequencies and signal transmission paths. Results indicate that the proposed system will help to achieve reliable and high speed signal transmission of BSN based on the human body medium.
Keywords: BSN; IBC; electro-optical sensor; signal transmission; human body BSN; IBC; electro-optical sensor; signal transmission; human body
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Song, Y.; Hao, Q.; Zhang, K.; Wang, J.; Jin, X.; Sun, H. Signal Transmission in a Human Body Medium-Based Body Sensor Network Using a Mach-Zehnder Electro-Optical Sensor. Sensors 2012, 12, 16557-16570.

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