Modeling of In-Body Propagation Characterization for 2.5/3.5 GHz Implantable Devices Applications

Modeling of In-Body Propagation Characterization for 2.5/3.5 GHz Implantable Devices Applications
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2.5/3.5 GHz 植入设备应用的体内传播特性建模

DOI:
10.4028/www.scientific.net/amm.273.583
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发表时间:
2013-01
期刊:
Applied Mechanics and Materials
影响因子:
--
通讯作者:
Ji-Hai Duan
Ji-Hai Duan
中科院分区:
其他
文献类型:
--
作者:
Qian Zhou;Wei-Lin Xu;Xue-Ming Wei;Ji-Hai Duan

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为了研究植入式设备在人体内的传播通道,基于活体男性CT和MRI切片数据,建立了包含85种不同人体组织和器官的三维人体电磁模型。利用电磁仿真器研究了2.5/3.5GHz生物医用植入物在不同距离下的体内通道路径增益,并给出了其数值统计模型。电磁仿真和数值计算结果表明,在2.5GHz和3.5GHz下,距离相关的通道增益可以用修正的经典幂律函数来描述,均方根误差分别为2.6和3.9
To investigate the propagate channel for implantable devices deep inside of a human body to receiver on-body or outside body, a 3D electromagnetic model of human body which including 85 kinds of different human tissues and organs, based on CT and MRI slices data take from living human males, was built. The in-body channel path gain in different distance for 2.5/3.5 GHz biomedical implants was investigated using electromagnetic (EM) simulator and its numerical sta-tistical model was presented. EM simulation and numerical computational results show that the dis-tance dependent path gain for inside body can be modeled by a modificatory classical power law function with root-mean-square error (RMSE) of 2.6 and 3.9 for 2.5 GHz and 3.5 GHz, respectively
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