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In this study, we focused on the human body communication between an electrode located on the floor surface and a wearable electrode located on the forearm, and their transmission characteristics were investigated. As a result, the transmission characteristics S21 between the electrode on the floor and that on the arm were −61.6 dB and −56.8 dB when the single or dual electrode for the wearable receiver,...
In recent years, human body communication draws a lot of attention as a promising wireless technology in order to materialize wireless body area network for mobile and wearable devices. In this study, we focused on the communication between an electrode located on the floor surface and a wearable electrode located on the forearm, and electromagnetic field distribution and transmission characteristics...
In this study, we investigated the electric field distribution and transmission characteristics between a stationary device and an arm-mounted wearable human body communication device including earth ground. The results showed that when the stationary device signal electrode is excited, the electric field distribution around the legs and torso becomes weak when there is an earth ground as compared...
This paper proposed an in-vehicle application of human body communication as a form of communication technology that allows stable and low-energy communication within the vehicle. We investigated the transmission characteristics and electric field distribution between a wearable device attached to the driver's forearm and a transmitter mounted on the steering wheel. It was found that at a distance...
In Human Body Communication, it is important to investigate the input impedance characteristics of the electrodes for improving the qualities of communication. For rapid analysis and development of phantom, an approximation model is needed. In this paper, we proposed newly developed homogenous human arm model which consists of single material. Input impedance characteristics of the homogenous model...
In human body communication system, it is important to investigate the input impedance characteristics of the electrodes for improving the qualities of communication. For rapid and freedom analysis, an approximation model is needed. In this paper, we compared input impedance characteristics of detailed model with that of approximation model which has a multilayered cylindrical structure. As a result,...
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...
Human body communication is expected as a new human interface for communications among several persons. Thus, it is necessary to analyze the transmission characteristics between human bodies. In this paper, we compared the transmission characteristics between transmitter and receiver in the viewpoint of contact situation between two bodies. Moreover, the effect of receiver position on transmission...
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