User's Manual

WLANPlanningWizard

3Com®AirProtectPlannerUserGuide

specifications.ItalsogivesyouthenumberofAPs,asestimatedbyPlannertosuityourrequirementsofcoverage.

CapacityPlanning

IfyouhaveselectedCapacityPlanninginthepreviousstepofthewizard,theWLANPlanningWizard:CapacityPlanning–

Parametersscreenappears.CapacityofanAPreferstothemaximumachievablethroughputofthatAP.Severalfactorssuchas

numberofactiveusers,typeofapplications,RFinterferenceandso

onaffectthecapacityofanAP.Toprovideenough

bandwidthperuser,youmustplanaWLANbyconsideringthesefactorsinadditiontocoverage.

Figure 75. WLAN Planning – Capacity Planning

SpecifytheparametersforCapacityPlanning:

• Numberofactiveusersonthelayout:TheexpectednumberofuserssimultaneouslyaccessingtheWLANonthe

currentfloor.

• Typicalexpectedthroughputperuser:Specifythebandwidthtypicallyrequiredperuser.ThetotalexpectedWLAN

capacityisaproductofthenumber

ofactiveusersandbandwidthrequiredperuser.Click<HelpMe>toviewthe

typicalperuserthroughputforvariousapplicationtypes.

• Percentageuplinktraffic:Specifythepercentageflowofuplinktraffic.Uplinktrafficreferstotheflowoftraffictoan

APinaWLAN.Theamount

ofuplinktrafficindicatestheconflictamongusersformediumaccess.

Note:AhighpercentageofuplinktrafficwithalargenumberofactiveuserswilldegradeanAP’sbandwidthduetohighcontention.

• ProvisionforVoIP :SelecttoenablePlannertoprovideforVoIP .VoIPhasamajorimpactoncapacityplanningandis

determinedby:

¾ Voic ecodectype:Selectthevoicecodectypefromthedrop‐downlist.

¾ Voic etraffic:Specifythepercentagevoicetraffic.

¾ Numberofvoicecalls

perAP:SpecifythemaximumnumberofVoIPcallsthatanAPcansimultaneously

support.

TheWLANPlanningWizard:CapacityPlanning–AdvanceParametersscreenappears.