User's Manual

WLANPlanningWizard

3Com®AirProtectPlannerUserGuide

• WhetherthereareanyAreaPolygonsdefined.

¾ IfanAreaPolygonisdefined,PlannertriestoplacethecalculatednumberofdeviceswithintheAreaPolygon.

¾ IftherearenoAreaPolygonsdefined,Plannerplacesthedevicesonthelayoutatthecalculatedlocations.

Aftereitherofthe

abovesteps,ifstillmoredevicesareleft,thenPlannerdisplaysamessagethattheremaining

devicescannotbeplacedautomaticallyandhenceyoucanmanuallyplacethesameatanydesiredlocationonthe

floormap.PlannershowsalistofthesedevicesintheDevicesLibrarydialogbox

underAutoAPsection.Youcan

draganddropthesedevicesonthefloormap.ThedeviceisofthesametypeaswasselectedduringDeviceSelection



intheWLANplanningwizard.

6.3 AutoChannelAllocation

Duetolimitedavailablefrequencyspectrumfor802.11WLANs,denseAPdeploymentoftenrequiresspatialreuseof

frequencies.Thestrategyyouchosedeterminesthesetofavailablechannels.Channelsareassignedtominimizeinterference.

Ifyouhadplacedsomedevicesmanually,orhadselectedcrossfloordevicesusingtheFilteroption;

Plannerconsiders

interferencefromthesedevicesduringAutoChannelallocationtodeterminethebestavailablechannelforadevice.

Selecteitheroftheoptionsforchannelallocationstrategy.PlannerenablesyoutoautomaticallyallocatechannelsoncetheAPs

areplacedonthefloormap.

Click

fromtheToolbartoinvokechannelallocationstrategy.TheChannelAllocationStrategydialogboxappears.

Figure 81. Channel Allocation Strategy

Specifythechannelsyouwanttoassigntothedevices.

• Nonoverlappingchannels:Thesearechannelsthatdonotinterferewitheachother.Forexample,intheUS,2.4GHz

bandoffersthreenon‐overlappingchannels–1,6,and11.

• Allavailablechannels:Allchannelsareconsidered.Forexample,intheUS2.4GHzbandoffers11channels.Using

partiallyoverlappingchannels(forexample,1,4,7,11)canimproveoverallWLANcapacity.

6.4 EstimatingtheCapacity

Atanygivenpoint,ifyouwanttoestimatethecapacity,click ontheToolbar.Plannerdisplaysadialogboxmentioningthe

estimatedcapacityforthelayout.