通过实验测量对植入式体内通信进行信道表征
Channel Characterization of Implantable Intrabody Communication through Experimental Measurements
AI总结：
本研究在0至2.5 MHz频段，通过Comsol仿真与鸡胸肉组织实验，对植入式电流耦合体内通信信道进行了理论与实验表征，发现频率影响信号传播且消除共模噪声对提升通信质量至关重要。
摘要：
体内通信（IBC）是一项可用于人体数据传输的前沿技术。本研究在0至2.5 MHz频率范围内，从理论和实验两方面研究了用于植入配置的基于电流耦合（GC）的IBC信道。理论研究使用基于有限元法（FEM）的仿真软件Comsol Multiphysics进行。采用真实数值建立了圆柱形人体手臂模型。实验研究使用鸡胸肉组织作为人体组织的替代品。通过传输伪随机噪声（PN）序列来研究组织模型的相关信道探测仪。结果表明，频率会影响信号在组织模型中的传播。此外，在IBC信道中消除共模噪声对于提升通信质量至关重要。
英文摘要：
Intrabody communication (IBC), is a promising technology that can be utilized for data transmission across the human body. In this study, a galvanic coupled (GC)-based IBC channel has been investigated for implantable configuration both theoretically and experimentally in the frequency range of 0 to 2.5 MHz. Theoretical studies were performed by using finite element method (FEM) based simulation software, called Comsol Multiphysics. A cylindrical human arm was modeled with realistic values. Experimental studies were carried out with chicken breast tissue as a substitute for human tissue. The pseudorandom noise (PN) sequences were transmitted to investigate the correlative channel sounder of tissue model. Results showed that the frequency affects signal propagation through the tissue model. Additionally, it is crucial to cancel common-mode noise in the IBC channel to enhance communication quality.
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