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Comparative Study on Galvanic-Coupled Intrabody Channel Characteristic Measurement Methods

Journal of Beijing Institute of Technology 2022年第1期31卷 30-38页

作者： Yangrong Wen Fengjie Lin Yueming Gao Sio Hang Pun Mang I Vai Min Du Physics and Information Engineering Fuzhou UniversityFuzhou 350108China State Key Laboratory of Analog and Mixed-Signal VLSI University of MacaoMacao 999078Macao SARChina.

The galvanic-coupled intrabody communication(GCIBC)uses the human body as the channel for data *** signal flow through different paths within different measure-ment schemes,resulting in distinct deviations in the experimental *** method completely uses human body channel to transmit low-power signals,and has good anti-interference ***,for a long time,the channel research of GCIBC has not determined a set of recog-nized and accurate measurement methods and ***,few researcher analyze the dif-ferences and principles between different measurement *** paper aims at three com-monly used measurement *** the equivalent schematic diagrams of three measure-ment schemes:direct measurement,using high-precision differential probe and using *** sig-nal return paths generated by three measurement methods are analyzed,the impedance matching and energy transmission efficiency are *** to the analysis,the empirical expres-sions in different cases are *** mechanism between the channel measurement results gener-ated by the set experimental configuration and the comparison experiment is *** compar-ison experiment with complete floating measurement is carried out as a reference to verify the pro-posed *** measurement error caused by different experimental configurations is *** study can provide a reference opinions for the experimental error analysis of GCIBC research in the future,and provide suggestions for the selection of experimental configuration.

关键词： galvanic-coupled intrabody communication channel characteristic measurement atten-uation return path

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