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[期刊论文]

A Time-Frequency Measurement and Evaluation Approach for Body Channel Characteristics in Galvanic Coupling Intrabody Communication

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author:

Wei, Ziliang (Wei, Ziliang.) [1] | Wen, Yangrong (Wen, Yangrong.) [2] | Gao, Yueming (Gao, Yueming.) [3] (Scholars:高跃明) | Unfold

Indexed by:

EI SCIE

Abstract:

Intrabody communication (IBC) can achieve better power efficiency and higher levels of security than other traditional wireless communication technologies. Currently, the majority of research on the body channel characteristics of galvanic coupling IBC are motionless and have only been evaluated in the frequency domain. Given the long measuring times of traditional methods, the access to dynamic variations and the simultaneous evaluation of the time-frequency domain remains a challenge for dynamic body channels such as the cardiac channel. To address this challenge, we proposed a parallel measurement methodology with a multi-tone strategy and a time-parameter processing approach to obtain a time-frequency evaluation for dynamic body channels. A group search algorithm has been performed to optimize the crest factor of multitone excitation in the time domain. To validate the proposed methods, in vivo experiments, with both dynamic and motionless conditions were measured using the traditional method and the proposed method. The results indicate that the proposed method is more time efficient (T-meas=1 ms) with a consistent performance (rho(c) > 98%). Most importantly, it is capable of capturing dynamic variations in the body channel and provides a more comprehensive evaluation and richer information for the study of IBC.

Keyword:

group search algorithm intrabody communication multitone excitation parallel measurement time-frequency evaluation

Community:

  • [ 1 ] [Wei, Ziliang]Fuzhou Univ, Coll Phys & Informat Engn, Fuzhou 350108, Peoples R China
  • [ 2 ] [Wen, Yangrong]Fuzhou Univ, Coll Phys & Informat Engn, Fuzhou 350108, Peoples R China
  • [ 3 ] [Gao, Yueming]Fuzhou Univ, Coll Phys & Informat Engn, Fuzhou 350108, Peoples R China
  • [ 4 ] [Yang, Mingjing]Fuzhou Univ, Coll Phys & Informat Engn, Fuzhou 350108, Peoples R China
  • [ 5 ] [Yang, Jiejie]Fuzhou Univ, Coll Phys & Informat Engn, Fuzhou 350108, Peoples R China
  • [ 6 ] [Du, Min]Fuzhou Univ, Coll Phys & Informat Engn, Fuzhou 350108, Peoples R China
  • [ 7 ] [Wei, Ziliang]Key Lab Med Instrumentat & Pharmaceut Technol Fuj, Fuzhou 350108, Peoples R China
  • [ 8 ] [Wen, Yangrong]Key Lab Med Instrumentat & Pharmaceut Technol Fuj, Fuzhou 350108, Peoples R China
  • [ 9 ] [Gao, Yueming]Key Lab Med Instrumentat & Pharmaceut Technol Fuj, Fuzhou 350108, Peoples R China
  • [ 10 ] [Yang, Jiejie]Key Lab Med Instrumentat & Pharmaceut Technol Fuj, Fuzhou 350108, Peoples R China
  • [ 11 ] [Du, Min]Key Lab Med Instrumentat & Pharmaceut Technol Fuj, Fuzhou 350108, Peoples R China
  • [ 12 ] [Pun, Sio Hang]Univ Macau, State Key Lab Analog & Mixed Signal VLSI, Macau 999078, Macau, Peoples R China
  • [ 13 ] [Vai, Mang, I]Univ Macau, State Key Lab Analog & Mixed Signal VLSI, Macau 999078, Macau, Peoples R China
  • [ 14 ] [Vai, Mang, I]Univ Macau, Fac Sci & Technol, Dept Elect & Comp Engn, Macau 999078, Peoples R China

Reprint 's Address:

  • 高跃明

    [Gao, Yueming]Fuzhou Univ, Coll Phys & Informat Engn, Fuzhou 350108, Peoples R China;;[Gao, Yueming]Key Lab Med Instrumentat & Pharmaceut Technol Fuj, Fuzhou 350108, Peoples R China

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Source :

SENSORS

ISSN: 1424-8220

Year: 2021

Issue: 2

Volume: 21

3 . 8 4 7

JCR@2021

3 . 4 0 0

JCR@2023

ESI Discipline: CHEMISTRY;

ESI HC Threshold:117

JCR Journal Grade:2

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 2

SCOPUS Cited Count: 1

30 Days PV: 1

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