Abstract
Retracted paper: Galvanic coupling method has been observed to be the best method for data transmission in intra-body communication, which is proposed by Zimmerman in 1995. With the increasing transmission requirements and the development of optical fiber communication, a high speed data transmission system is required and it is possible to design an apparatus to realize the electro optic conversion. In this paper, the characteristics of the intra-body communication system are introduced. Principles and structures of the electro-optic modulation methods for intra-body communication are reviewed. Internal and external modulation methods are introduced and discussed. A system of the electro-optic and acousto-optic modulation are recommended for the intra-body communication system and discussed.
Highlights
T Zimmerman of MIT (Massachusetts Institute of Technology) proposed the intra-body communication in 1995 [1]
The electric field is coupled into the body to implement data communication with human tissue
If the information to be transmitted is modulated in the quasi electrostatic field and coupled to human body, a weak electric field will be produced around the human body
Summary
T Zimmerman of MIT (Massachusetts Institute of Technology) proposed the intra-body communication in 1995 [1] It is a technology using the human body as a transmission medium for electrical signals [1, 2,3,4]. T Principles and structures of the electro-optic modulation methods for intra-body communication are reviewed. The electric field is coupled into the body to implement data communication with human tissue. The physical quantity variation of the electric field can be detected to obtain relevant information through some method. If the information to be transmitted is modulated in the quasi electrostatic field and coupled to human body, a weak electric field will be produced around the human body. The modulated light signal transmits the fiber at high speed
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