Second Order Statistics for Many-Link Body Area Networks

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Executive Summary

Second-order statistics are presented from a body area measurement campaign using 40 simultaneous links over a few hours of every-day activity. Following from the fit of a Lognormal distribution to the channel gain, the level crossing rates and fade distributions are compared to derived theoretical second order Lognormal statistics. Of the two adult, one male, one female test subjects, the results for the smaller female subject showed a better fit to the Lognormal distribution and the resulting second order statistics. Fading for indoor on-body-area communications is confirmed to be well-modeled by Lognormal distributions.

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