BER Performance of Human Body Communications Using FSDT

Kunho PARK  Min Joo JEONG  Jong Jin BAEK  Se Woong KIM  Youn Tae KIM  

IEICE TRANSACTIONS on Communications   Vol.E102-B    No.3    pp.522-527
Publication Date: 2019/03/01
Publicized: 2018/08/23
Online ISSN: 1745-1345
DOI: 10.1587/transcom.2018EBP3053
Type of Manuscript: PAPER
Category: Network
human body communication,  frequency selective digital transmission,  bit error rate,  signal-to-interference ratio,  

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This paper presents the bit error rate (BER) performance of human body communication (HBC) receivers in interference-rich environments. The BER performance was measured while applying an interference signal to the HBC receiver to consider the effect of receiver performance on BER performance. During the measurement, a signal attenuator was used to mimic the signal loss of the human body channel, which improved the repeatability of the measurement results. The measurement results showed that HBC is robust against the interference when frequency selective digital transmission (FSDT) is used as a modulation scheme. The BER performance in this paper can be effectively used to evaluate a communication performance of HBC.