Stability of Narrowband Dynamic Body Area Channel

The stability of a dynamic narrowband on-body area channel is characterized based on real-time measurements of the time domain channel impulse response (CIR) at frequencies near the 900- and 2400-MHz industrial, scientific, and medical (ISM) bands. A new parameter, channel variation factor, characte...

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Bibliographic Details
Published in:IEEE antennas and wireless propagation letters 2009, Vol.8, p.53-56
Main Authors: Jian Zhang, Smith, D.B., Hanlen, L.W., Miniutti, D., Rodda, D., Gilbert, B.
Format: Article
Language:English
Subjects:
Antenna measurements
Area measurement
Australia
Bands
Body sensor networks
Body-area networks (BAN)
Channels
Coherence
coherence time
Dynamics
Frequency measurement
Humans
Impulse response
Movement
Narrowband
Signal analysis
Stability
Stability analysis
Testing
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Summary:The stability of a dynamic narrowband on-body area channel is characterized based on real-time measurements of the time domain channel impulse response (CIR) at frequencies near the 900- and 2400-MHz industrial, scientific, and medical (ISM) bands. A new parameter, channel variation factor, characterizes channel coherence time. Body movement is considered at various transmit-receive pair locations on the human body. Movement has considerable impact on the stability of the channel, a reasonable assumption for coherence time is approximately 10 ms, and there is greater temporal stability at the lower frequency.
ISSN:1536-1225
1548-5757
DOI:10.1109/LAWP.2008.2011505