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

By Mir Hojjat Seyedi, Daniel Lai

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

Based on in-vivo experiments which make certain the consequences of measurement, events, and destinations of joints at the IBC, the booklet 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 effect 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 response to impulse radio for the IBC is applied on a FPGA.

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Extra resources for A Novel Intrabody Communication Transceiver for Biomedical Applications

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The operation frequency range was considered 30 to 70 MHz and 402 to 405 MHz for IBC and MICS, respectively. The achieved data rate of system was 5 Mbps for IBC and 200 kbps for MICS transceiver. 8 mW. 2. In 2009, Al-Ashmouny et al. [74] applied the IBC method using brain tissue as a communication medium calling it intra-brain communication. Two miniaturized communication chips were designed and implanted in a rat brain. BFSK modulation technique was used in the proposed system with frequencies of 100 to 400 kHz.

Fig. 3 Variation of human tissues electrical properties, relative permittivity and conductivity, against frequency. 2 Electrical Properties of the Human Tissues 13 • The polarization of cellular membranes is an obstacle for an ion to flow in, or out of the cell and leads to the beta (β) dispersion. This region lies within hundreds of kilohertz to ten megahertz range. The polarization of protein is another contributing factor to the beta dispersion trend. • The transport of ions across a biological membrane is related to the low frequency alpha (α) dispersion.

However, despite the considerable and divergent amount of works on IBC and despite the fact that IBC has been ratified in the WBAN standard, there are still challenges to be addressed. 5 IBC Challenges 25 with. The influence of static and dynamic body situations is an influencing element since the IBC system needs to continuously keep track of the patients’ or athletes’ vital signs. At the same time, the increasing data rate for low frequency carriers is needed in order to develop an energy efficient IBC system.

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