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Study of channel characteristics for galvanic-type Intra-Body communication based on a transfer function from a quasi-static field model
Chen X.M.1; Mak P.U.1,2; Pun S.H.1,3; Gao Y.M.2,4; Lam C.-T.5; Vai M.I.1,2; Du M.2,4
2012
Source PublicationSensors (Switzerland)
ISSN14248220
Volume12Issue:12Pages:16433-16450
Abstract

Intra-Body Communication (IBC), which modulates ionic currents over the human body as the communication medium, offers a low power and reliable signal transmission method for information exchange across the body. This paper first briefly reviews the quasi-static electromagnetic (EM) field modeling for a galvanic-type IBC human limb operating below 1 MHz and obtains the corresponding transfer function with correction factor using minimum mean square error (MMSE) technique. Then, the IBC channel characteristics are studied through the comparison between theoretical calculations via this transfer function and experimental measurements in both frequency domain and time domain. High pass characteristics are obtained in the channel gain analysis versus different transmission distances. In addition, harmonic distortions are analyzed in both baseband and passband transmissions for square input waves. The experimental results are consistent with the calculation results from the transfer function with correction factor. Furthermore, we also explore both theoretical and simulation results for the bit-error-rate (BER) performance of several common modulation schemes in the IBC system with a carrier frequency of 500 kHz. It is found that the theoretical results are in good agreement with the simulation results. © 2012 by the authors; licensee MDPI, Basel, Switzerland.

KeywordBer Body Sensor Network (Bsn) Channel Characteristics Intra-body Communication (Ibc) Modulation Scheme Quasi-static Field Model Transfer Function
DOI10.3390/s121216433
URLView the original
Indexed BySCI
Language英语
WOS Research AreaChemistry ; Electrochemistry ; Instruments & Instrumentation
WOS SubjectChemistry, Analytical ; Electrochemistry ; Instruments & Instrumentation
WOS IDWOS:000312607500025
The Source to ArticleScopus
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Citation statistics
Cited Times [WOS]:28   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
INSTITUTE OF MICROELECTRONICS
Corresponding AuthorMak P.U.
Affiliation1.Department of Electrical and Computer Engineering, Faculty of Science and Technology, University of Macau, Macau 999078, China
2.Laboratory of Medical Instrumentation and Pharmaceutical Technology of Fujian Province, Fuzhou 350108, China
3.State Key Laboratory of Analog and Mixed-Signal VLSI, Faculty of Science and Technology, University of Macau, Macau 999078, China
4.College of Physics and Telecommunication Engineering, Fuzhou University, Fuzhou 350108, China
5.Macao Polytechnic Institute, Macau 999078, China
First Author AffilicationFaculty of Science and Technology
Corresponding Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Chen X.M.,Mak P.U.,Pun S.H.,et al. Study of channel characteristics for galvanic-type Intra-Body communication based on a transfer function from a quasi-static field model[J]. Sensors (Switzerland),2012,12(12):16433-16450.
APA Chen X.M..,Mak P.U..,Pun S.H..,Gao Y.M..,Lam C.-T..,...&Du M..(2012).Study of channel characteristics for galvanic-type Intra-Body communication based on a transfer function from a quasi-static field model.Sensors (Switzerland),12(12),16433-16450.
MLA Chen X.M.,et al."Study of channel characteristics for galvanic-type Intra-Body communication based on a transfer function from a quasi-static field model".Sensors (Switzerland) 12.12(2012):16433-16450.
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