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Ultra wideband radio channel characterisation for body-centric wireless communication

Ultra wideband radio channel characterisation for body-centric wireless communication

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This chapter discusses the various experimental investigations undertaken to thoroughly understand the Ultra wideband (UWB) on/off-body radio propagation channels. These characterisation measurement campaigns were performed in both the anechoic chamber and a typical indoor environment (cluttered laboratory). Effect of human body movements on the channel parameters is evaluated. Apart from measurements in an anechoic chamber and in an indoor environment, when body parts were moving, measurements were also taken on a treadmill machine in order to mimic the scenario of UWB body-centric system applied in performance monitoring for sport and exercise medicine. Radio channel parameters are extracted from the measurement data and statistically analysed to provide a preliminary radio propagation model with the inclusion of pseudo-dynamic body movements.

Chapter Contents:

  • 3.1 Analysis methodology applied for body-centric radio channel modelling
  • 3.2 UWB antennas for body-centric radio propagation measurements
  • 3.2.1 Pulse fidelity
  • 3.3 Antenna placement and orientation for UWB on-body radio channel characterisation
  • 3.4 Measurement procedure for UWB on-body radio channel characterisation
  • 3.5 UWB on-body propagation channel analysis
  • 3.5.1 On-body radio channel characterisation for static subjects
  • 3.5.2 Transient characterisation of UWB on-body radio channel
  • 3.5.3 Pulse fidelity
  • 3.6 UWB off-body radio propagation channel characterisation
  • 3.6.1 Antenna placement and measurement procedure
  • 3.6.2 PL characterisation
  • 3.6.3 Transient characterisation
  • 3.6.4 Pulse fidelity
  • 3.7 UWB on-body radio channel characterisation for pseudo-dynamic motion
  • 3.7.1 Channel PL variations as a function of link and movements
  • 3.7.2 Time-delay and small-scale fading analysis
  • 3.8 Summary
  • Acknowledgements
  • References

Inspec keywords: radiowave propagation; indoor radio; wireless channels; ultra wideband communication

Other keywords: channel parameters; body-centric wireless communication; treadmill machine; indoor environment; anechoic chamber; pseudodynamic body movement; UWB on/off-body radio propagation channel; ultra wideband radio channel characterisation; cluttered laboratory; human body movement

Subjects: Radio links and equipment; Radiowave propagation

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