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Analysis on Co-channel Interference of Human Body Communication Supporting IEEE 802.15.6 BAN Standard

  • Hwang, Jung-Hwan (Broadcasting & Telecommunications Media Research Laboratory, ETRI, and the Department of Electrical Engineering, KAIST) ;
  • Kang, Tae-Wook (SW & Contents Research Laboratory, ETRI) ;
  • Kim, Youn-Tae (Department of IT Fusion Technology, Chosun University) ;
  • Park, Seong-Ook (Department of Electrical Engineering, KAIST)
  • Received : 2014.08.27
  • Accepted : 2015.01.17
  • Published : 2015.05.01
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Abstract

Human body communication (HBC) is being recognized as a new communication technology for mobile and wearable devices in a body area network (BAN). This paper presents co-channel interference experienced by HBC supporting the physical layer in the IEEE 802.15.6 BAN standard. To analyze the co-channel interference, a co-channel interference model is introduced, and space-domain and time-domain parameters representing an interference environment are generated using the co-channel interference model. A new signal-to-interference ratio (SIR) parameter depending on the peak amplitudes of the data signals causing co-channel interference is defined; co-channel interference can be easily analyzed and modelled using the newly defined SIR. The BER degradation model derived using the co-channel interference model and SIR in this paper can be effectively used to estimate the performance.

Keywords

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