On-body to on-body channel characterization

Fabio Di Franco, Christos Tachtatzis, Fabio Di Franco, Ben Graham, David Tracey, Jim Morrison, Nick F. Timmons

    Research output: Contribution to conferenceOther

    14 Citations (Scopus)

    Abstract

    Interest in on-body communication channels is growing as the use of wireless devices increases in medical, consumer and military sensor applications. This paper presents an experimental investigation and analysis of the narrowband on-body propagation channel. This analysis considers each of the factors affecting the channel during a range of stationary and motion activities in different environments with actual wireless mote devices on the body. Use of such motes allows greater freedom in the subject's movements and the inclusion of real-world indoor and outdoor environments in a test sequence. This paper identifies and analyses the effect of the different components of the signal propagation (mean propagation path gain, large-scale fading and small-scale fading) and the cause of the losses and variation due to activities, positions or environmental factors. Our results show the effect on the received signal and the impact of voluntary and involuntary movements, which cause shadowing effects. The analysis also allows us to identify sensor positions on the body that are more reliable and those positions that may require a relay or those that may be suitable for acting as a relay.
    Original languageEnglish
    Number of pages4
    Publication statusPublished - 2011

    All Science Journal Classification (ASJC) codes

    • Electrical and Electronic Engineering

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