CST – Computer Simulation Technology

Modeling and Characterization of Biotelemetric Radio Channel From Ingested Implants Considering Organ Contents

Title:
Modeling and Characterization of Biotelemetric Radio Channel From Ingested Implants Considering Organ Contents
Author(s):
Akram Alomainy, Yang Hao
Source:
IEEE Transactions on Antennas and Propagation
Vol./Issue/Date:
Volume: 57, Issue: 4, April 2009
Year:
2009
Page(s):
999 - 1005
Keywords:
Biotelemetry radio channel, electromagnetic time-domain numerical technique, ingested medical implants, wave propagation
Abstract:
The paper introduces numerical and experimental investigations of biotelemetry radio channels and wave attenuation in human subjects with ingested wireless implants. The study covers commonly used frequencies in telemedicine applications: ultrahigh frequencies at 402 MHz, 868 MHz and the industrial, scientific and medical (ISM) band frequency at 2.4 GHz. Numerical electromagnetic analysis is applied to model in/on-body radio propagation channels and the resulted parameters demonstrated the importance of digital phantom accuracy in ccharacterization of wave absorption and attenuation with regards to organ contents, specifically for the digestion system. Path gain variations of biotelemetry radio channels, in the close vicinity of the subject, with wireless implants were measured using a near field scanner. Simulation results were verified with measurement in good agreement.
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