Abstract
The galvanic coupling intra-body communication (IBC) is a novel short distance information transmission method for Body Area Networks. It uses human body as the transmission media to realize data transmission and sharing among all the electronic devices scattered on, in or around the human body. It is especially suitable for information interactions for long term and continuous medical signal detections for human bodies for wearable/implanted medical devices.Based on the principle analysis of the galvanic coupling IBC previously, this paper attempted to design a highly reliable and stable transceiver. The transmitter modulated the base band signal with 2CPFSK (2 continuous phase FSK) and converted it into alternating current signal suitable for human body transmission. The receiver collected the coupling voltage signal differentially, and then demodulated it. Finally, the transceiver completed the data transmission in the case of signal person and many people with finger-touching. It provided a successful experience for the development and practical application of IBC and Body Area Networks.
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