Ultra Wideband Wireless Propagation Channel Characterizations for Biomedical Implants

In order to inspect the feasibility and safety of wireless communication operated in 3.1-5.0 GHz band between the devices located in vivo and on body or off-body, the path gain and specific absorption rate (SAR) were investigated through embedding a high-resolution 3D electromagnetic model of human...

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Bibliographic Details
Published inIAENG international journal of computer science Vol. 42; no. 1; pp. 41 - 45
Main Authors Wei, Bao-Lin, Xiong, Chun, Yue, Hong-Wei, Wei, Xue-Ming, Xu, Wei-Lin, Zhou, Qian, Duan, Ji-Hai
Format Journal Article
LanguageEnglish
Published 01.03.2015
Subjects
Biomedical materials
Channels
Computer simulation
Gain
In vivo testing
In vivo tests
Mathematical models
Surgical implants
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Summary:In order to inspect the feasibility and safety of wireless communication operated in 3.1-5.0 GHz band between the devices located in vivo and on body or off-body, the path gain and specific absorption rate (SAR) were investigated through embedding a high-resolution 3D electromagnetic model of human body into a numerical electromagnetic (EM) simulator which is based on finite integration technique (FIT) to solve the Maxwell equations. Based on the electromagnetic (EM) simulating results, a channel numerical statistical model depicting the in vivo distance-depended channel path gain was proposed. The experimental results indicate that it is feasible and safe for the wireless communication of implantable devices in 3.0-10.5 GHz band. The in vivo distance-depended path gain can be modeled by a modified classical power law function, and the averaged root-mean-square error (RMSE) between the computational results of numerical statistical model and EM simulation is 9.8.
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ISSN:1819-656X
1819-9224