- Cisco Network Router User's Manual

CiscoAironetAccessPointDeploymentGuide
CiscoSystems
Copyright©2012CiscoSystems,Inc.Allrightsreserved.
Page46of52
Figure60:SiteSurveySensitivity,RSSI/S NRGuidelines,andSNR
GeneralGuidelines
Followingaregeneralguidelinesforallaccesspoints.
AlwaystrytomounttheAPasclosetotheusersaspossibleforbestperformance.Beawareof
the environment. For example, if hospitals have metal doors, coverage can change when the
doors close. Old buildings can have metal grid
work hidden under plaster or asbestos. Avoid
mountingtheAPorantennasnearmetalobjects,sincethatmayaffect thecoveragearea.
Whenusingthe2.4GHzfrequency,thesameone,six,andelevenchannelschemeisusedas in
the 5 GHz channel scheme. (See Fig ure 61.) Avoid
putting all APs on the same channel, and
reusechannelsifpossible.SeeotherCiscodeploymentguidesformoreonthistopic.