User's Manual

WLANPlanningWizard
3Com®AirProtectPlannerUserGuide
62
Figure 76. Capacity Planning – Advance Parameters
SpecifythefactorsyouwouldliketoconsiderforWLANcapacityplanning.Theseare‘What‐If’scenarios.
• SelecttheeffectsonAPcapacity:
¾ 802.11mediumaccessanomaly:Selecttoconsidertheproportionofactiveusersatvariousdatarates.
¾ 802.11mediumaccesscontention:Selecttoconsiderbandwidthcontention
determinedbythetotalnumberof
activeusersperAPandtheamountofuplinktraffic.
¾ 802.11bandwidthefficiency:Selecttoconsidertheimpactofoverheadonbandwidthefficiency.
• SelecteitherofthetypeofperAPcapacityestimate(basedontheselectedfactors)toplantheWLAN:
¾ Conservative:UsestheworstcaseperAPcapacitytoestimatethenumberofAPsrequired. Thisoptionusually
estimatesmorenumberofAPs.
¾ Optimistic:MightoverestimateperAPcapacitythanobservedinpractice.Thisusuallyrequireslessnumberof
APscomparedtotheConservativeestimate.
¾ Average:Moderatelyestimates
perAPcapacityandisabalancebetweentheConservativeandOptimistic
options.Thisisthedefaultselected.
• AccountingfortheeffectofWi‐Fiinterferencegivesamoreaccurateestimateofcapacity.Forinstance,inascenario
withdenselypackedAPs,theinter‐APinterferencemayconsiderablydegradethecapacity.Insomecases,the
capacityrequirementmaynotbefeasibleduetohighinterference.SpecifyifyouwanttoconsidertheeffectofWi‐Fi
Interference.
¾ Yes
¾ No
TheWLANPlanningWizard:CapacityPlanningSummaryscreenappears.