By Mir Hojjat Seyedi, Daniel Lai
This monograph explores Intrabody verbal exchange (IBC) as a singular non-RF instant facts conversation method utilizing the human physique itself because the verbal exchange channel or transmission medium. specifically, the e-book investigates Intrabody conversation contemplating limb joint results in the transmission frequency variety 0.3-200 MHz.
Based on in-vivo experiments which ensure the results of measurement, occasions, and destinations of joints at the IBC, the e-book proposes a brand new IBC circuit version explaining elbow joint results. This version not just takes the limb joint results of the physique into consideration but in addition considers the impression of dimension apparatus in better frequency band therefore predicting sign attenuation habit over wider frequency levels. ultimately, this paintings proposes transmitter and receiver architectures for intrabody verbal exchange. A carrier-free scheme in accordance with impulse radio for the IBC is carried out on a FPGA.
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Additional resources for A Novel Intrabody Communication Transceiver for Biomedical Applications
3 The employed electrodes in IBC measurement system Fig. 0×10−6 V 2 /H z for polyethylene terephthalate (PET)-Cu-Ni fabric) which are suitable for wearable networks in dynamic BANs. Due to the higher electrical conductivity of Ag compared to copper (Cu) (around 6%), it is most appropriate compared to Cu in long-term healthcare monitoring. It is well worth to emphasize that the quick corrosion of Cu may lead to the achievement of unreliable results and biocompatibility issues. Another influential element in the structure of electrode is the effective electrode area (EEA).
2, the system is composed of the human body, the surface electrodes, portable MiniVNA Pro, balun transformers which are placed between on-body electrodes and MiniVNA Pro ports, and connecting cables. 2 Measurement Setup 33 Fig. 7 The schematic diagram of the employed baluns in the measurement setup Fig. 0 MHz ). Hence, we propose to refer to the measurement setups as a “two-electrode configuration” and “four-electrode configuration” instead of IBC capacitive and galvanic coupling methods, respectively.
Therefore, the IBC transceiver should be simple, have full integration ability, consume low power, and have the ability to transmit at low power. Since power hungry transceiver nodes need large batteries, power sources like solar cells appear to be suitable for IBC. g. direct contact with the human body . Several IBC transceiver designs have been proposed based on capacitive and galvanic coupling approaches. However, no acceptable standard has been established to implement an optimal design of a full intra-body transceiver system in terms of carrier frequency, modulation scheme, data rate, and power consumption.