In-body to On-body Channel Characteristics Analysis and Modeling in Human Body Communication Frequency Band

SHI Jingjing; LIU Lijia; HAN Fuye; SONG Le

doi:10.11999/JEIT210267

Volume 44 Issue 5

May 2022

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Article Navigation > Journal of Electronics & Information Technology > 2022 > 44(5): 1819-1827

SHI Jingjing, LIU Lijia, HAN Fuye, SONG Le. In-body to On-body Channel Characteristics Analysis and Modeling in Human Body Communication Frequency Band[J]. Journal of Electronics & Information Technology, 2022, 44(5): 1819-1827. doi: 10.11999/JEIT210267

Citation:

SHI Jingjing, LIU Lijia, HAN Fuye, SONG Le. In-body to On-body Channel Characteristics Analysis and Modeling in Human Body Communication Frequency Band[J]. Journal of Electronics & Information Technology, 2022, 44(5): 1819-1827. doi: 10.11999/JEIT210267

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In-body to On-body Channel Characteristics Analysis and Modeling in Human Body Communication Frequency Band

doi: 10.11999/JEIT210267

College of Medicine and Biological Information Engineering, Northeastern University, Shenyang 110000, China

Funds: Fundamental Research Funds for the Central Universities (N171904010)

Received Date: 2021-04-02
Rev Recd Date: 2021-09-27

Available Online: 2021-10-08

Publish Date: 2022-05-25

Abstract

Abstract

To investigate the in-body transmission mechanism and propose a comprehensive channel model at Human Body Communication (HBC) band, two types of human body model, that is, an anatomical numerical human model and a multi-layer heterogeneous geometric human model, are adopted to derive the path loss characteristics using electromagnetic simulations. The average path losses from the human heart transmitter to each receiver node on the body surface are first calculated by the Time-Domain Finite Integration method incorporated with the human model. A comprehensive logarithmic path loss model with a linear regulation term is proposed based on the surface wave propagation mechanism to describe the channel characteristics accurately. The shadow fading in decibel is found to follow Normal distribution. The simulation and experimental measurement results demonstrate that the proposed path loss model can well characterize the implant channel characteristics for 10～50 MHz HBC band signals. Using the anatomical numerical human model to perform the channel modeling and channel characteristics study in this frequency band can improve the accuracy and reliability of the constructed implant channel model. This work is the first time to construct the in-body to on-body path loss model for ultra-wideband 10～50 MHz signals at the HBC band.
- Human Body Communication(HBC) band,
- Implantable channel modeling,
- Path loss,
- Shadow fading

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References(23)

References

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