Cascaded Network Body Channel Model for Intrabody Communication

Intrabody communication has been of great research interest in recent years. This paper proposes a novel, compact but accurate body transmission channel model based on RC distribution networks and transmission line theory. The comparison between simulation and measurement results indicates that the...

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Bibliographic Details
Published in:IEEE journal of biomedical and health informatics 2016-07, Vol.20 (4), p.1044-1052
Main Authors: Hao Wang, Xian Tang, Choy, Chiu Sing, Sobelman, Gerald E.
Format: Article
Language:English
Subjects:
Binary phase-shift keying (BPSK)
Biological system modeling
Biomedical measurement
bit error rate (BER)
body area network (BAN)
body channel modeling
cascaded network
Channels
Computer simulation
Electric Impedance
Electrodes
Health
Humans
impedance matching
intrabody communication (IBC)
Local Area Networks
Models, Theoretical
Modulation
Networks
Ports (Computers)
Power gain
Receivers
Signal Processing, Computer-Assisted
Skin
Skin Physiological Phenomena
Telemetry - methods
transmission line (TL)
Transmission line matrix methods
Transmission line measurements
Transmitters
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Summary:Intrabody communication has been of great research interest in recent years. This paper proposes a novel, compact but accurate body transmission channel model based on RC distribution networks and transmission line theory. The comparison between simulation and measurement results indicates that the proposed approach accurately models the body channel characteristics. In addition, the impedance-matching networks at the transmitter output and the receiver input further maximize the power transferred to the receiver, relax the receiver complexity, and increase the transmission performance. Based on the simulation results, the power gain can be increased by up to 16 dB after matching. A binary phase-shift keying modulation scheme is also used to evaluate the bit-error-rate improvement.
ISSN:2168-2194
2168-2208
DOI:10.1109/JBHI.2015.2448111