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Networks in Embedded Systems - DAIICT Intranet

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# of sensors: hundreds, thousands, to millions, depend<strong>in</strong>g on the type of<br />

applications.<br />

Density can be expressed as:<br />

μ(R) = (N π R 2 ) / A<br />

where N is the number of scattered sensor nodes <strong>in</strong> region A; and R,<br />

the radio transmission range. Basically, μ(R) gives the number of nodes<br />

with<strong>in</strong> the transmission radius of each node <strong>in</strong> region A.<br />

Note: often we consider 2-dimensional space.<br />

Density also depends on the applications.

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