Wireless Array
Installing the Wireless Array 33
Fine Tuning Cell Sizes
Adjusting the transmit power allows you to fine tune cell sizes. There are four
standard sizes — Small, Medium, Large, or Max (the default is Max). There is also
an Auto setting that automatically determines the best cell size, and a Manual
setting that allows you to choose your power settings directly.
Figure 14. Transmit Power
Auto Cell Size is an automatic, self-tuning mechanism that balances cell size
between Arrays to guarantee coverage while limiting the RF energy that could
extend beyond the organizational boundary. Auto Cell uses communication
between Arrays to dynamically set radio power so that complete coverage is
provided to all areas, yet at the minimum power level required. This helps to
minimize potential interference with neighboring networks. Additionally, Arrays
running Auto Cell automatically detect and compensate for coverage gaps caused
by system interruptions. To enable the Auto Cell Size feature, go to “RF Power &
Sensitivity” on page 336. XirrusXirrus
If you are installing many units in proximity to each other, we recommend that
you use Auto Cell Size; otherwise, reduce the transmit power using manual
settings to avoid excessive interference with other Arrays or installed APs. See
also, “Coverage and Capacity Planning” on page 30.
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