A new look at the body area network channel model

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Smith, David; Hanlen, Leif; Lamahewa, Tharaka


2011-04-11


Conference Material


5th European Conference on Antennas and Propagation, EuCAP 2011


Rome, Italy


A new approach to compare models for body area networks (BAN) that accommodates multiple links and multiple subjects is presented. The absolute measure described allows comparison across a spectrum of possible characterizations; ranging from single-parameter for an entire ensemble, through to per-activity, per-subject and per-link based parameterized models. The use of an explicit trade-off between error and complexity, combined in a goodness-of-fit measure, are shown to have important consequences when applied to a range of typical BAN channel data. It is shown that there are different implications in choice of model, and it's associated complexity, for mixed-activity ``everyday" data, when compared with set-activity dynamic data (e.g. walking). The deficiency of mean path loss, or even median path loss measures, as a sole characterization of the BAN channel is also highlighted.


body area networks, channel characterization, statistical model fitting


nicta:4412


Smith, David; Hanlen, Leif; Lamahewa, Tharaka. A new look at the body area network channel model.[Conference Material]. 2011-04-11. <a href="http://hdl.handle.net/102.100.100/104594?index=1" target="_blank">http://hdl.handle.net/102.100.100/104594?index=1</a>



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