By Mir Hojjat Seyedi, Daniel Lai

ISBN-10: 9811028230

ISBN-13: 9789811028236

ISBN-10: 9811028249

ISBN-13: 9789811028243

This monograph explores Intrabody verbal exchange (IBC) as a singular non-RF instant information conversation approach utilizing the human physique itself because the verbal exchange channel or transmission medium. specifically, the publication investigates Intrabody conversation contemplating limb joint results in the transmission frequency variety 0.3-200 MHz.

Based on in-vivo experiments which ascertain the consequences of measurement, events, 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 under consideration but additionally considers the impression of dimension gear in larger frequency band therefore predicting sign attenuation habit over wider frequency levels. ultimately, this paintings proposes transmitter and receiver architectures for intrabody conversation. A carrier-free scheme in line with impulse radio for the IBC is carried out on a FPGA.

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Additional info for A Novel Intrabody Communication Transceiver for Biomedical Applications

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It should be noted that both measurements were carried out in the same location (electronics laboratory). Additionally, the channel length between the transmitter and receiver electrodes was fixed to 20 cm. 11 indicates the comparison of both the human body and air channel loss. Below 80 MHz, up to 25 dB less loss is observed when signal is propagated through the body channel compared to when it is transmitted through the air surrounding the body. 415 S/m at 54 MHz) [1]. 5 MHz), in some points, compared to the condition involving body limb.

1 Influence of Joint-Segments 39 method, specifically during the presence of joints within the body channel below 5 MHz. Due to the reduction of tissue penetration depth at higher frequencies, using this method could strength the influence of external ground rather than the tissue composition. Generally, the influence of earth ground becomes inevitable in both IBC methods and during the body movements. In this study, the on-body measurement points are divided to upper and lower limb based on the farthest and the closest proximity to the external ground, respectively.

This difference increased to 20 dB for a transmitter-receiver distance of 80 mm. The results also demonstrated that galvanic coupling IBC is more power efficient than RF for deeper implants. 4 IBC Transceiver Design In communication systems design several challenges need to be addressed. Channel characteristics are the main challenge for an ideal communication system design. Typically, transmitter, communication channel, and receiver comprise three fundamental stages of any communication system.

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A Novel Intrabody Communication Transceiver for Biomedical Applications by Mir Hojjat Seyedi, Daniel Lai

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