Radio wave propagation in an HBC device including a transceiver

  • Authors:

  • Roslina Binti Abdul Razak;Takehiro Sugo;Toshiyuki Maeyama

  • Affiliations:

  • Takushoku University, Tokyo, Japan;Takushoku University, Tokyo, Japan;Takushoku University, Tokyo, Japan

  • Venue:
  • Proceedings of the 7th International Conference on Body Area Networks
  • Year:
  • 2012

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Abstract

In this paper, experiments have been carried out for a prototype human body communication system (HBC) using a music player. However, unstable communication states have occurred because of differences in the measurement environment and the posture of the human body. The radio wave propagation of the HBC is low when the transceiver is worn on the body. In addition, when the frequency used in the HBC system is equal to or less than 50 MHz, we must consider the binding of the transceiver due to near-field propagation. Therefore, it is necessary to consider the analysis of both space propagation and radio wave propagation on the surface of human body. In this study, we analyzed the radio wave propagation of the HBC system considering impedance matching of antenna design's parameter and the presence of the human body.