RADWIN5000HPMPUserManual Release3.5.70 11‐2
WhatYouNeed
ChanginganyofVLAN,MIR,QoS,fixedrate,SpatialMultiplexing/Diversityantennamodefor
oneconfiguredHSUatagivenlevel,changesallotherHSUsatthatlevel.Ifyouaddanew
HSUtoasector(bydirectconnection)atagivenlevel,atsynctime,itwillacquiretheexisting
parametersforthatlevel.
AHMUmustbeabletosendandreceiveservicetrafficwhilemoving.Toavoidservice
“glitches”whileswitchingbetweensuccessiveHBSs,theHBShand‐overtimemustbevery
small.ForRADWIN5000HBSsitistypicallylessthan500ms,dependingonselectionof
Mobilitychannels.
AHMUdete ctsthatitistimetoseekthenextHBSwhenitsratedropsbelowapredefined
minimumcapacitythresholdbasedonaminimumsupportedrate.TheHBSchosenwillbethe
firstfoundofferinganRSSlevelaboveaminimumthreshold(bydefault‐60dBm),whichyou
canconfigureforeachHMU.IfnoHBScanbefoundsatisfyingthelattercriterion,thenthe
HSUwillsyncwiththeHBSthathasthehighest RSSlevel(eventhoughitisbelowtheRSS
Threshold).
ItisuptotheMobilityProjectRFplannerstoensurethatHBSsarespacedwithcoverage
overlapsothatontheonehandtheHSURSSleveldoesnotfallsolowthatitloses
synchronizationbetweenHBSsandontheotherhand,successiveHBSsdonotinterferewith
oneanother.
InaMobilityproject,itisfairlytypicaltouseafixedchannelateachHBSandtohavethe
HSUsconfiguredtousethegroupofchannelsusedbytheHBSssoastominimizehand‐over
time.
WhatYouNeed
TheRADWIN5000Mobilityproductsaredifferentfromthefixed/nomadicproducts.They
have differentpartnumbers.EnsurethatyourHBSandHSUsasdeliveredaretheMobility
models.
Eachsectorcomeswithapre‐installedoperatingband.Youcanchangeitintheusualway.If
youdoensurethaneach
oftheHSUsischanged.Alternatively(better),bringupthesectoras‐
isandchangethebandsector‐wide.
GettingStarted
WewillcreateasectorwiththreeHMUs.Thereisnodifferenceinthelog‐onprocedureto
theHBS.Toavoidneedlessrepetitionandissuesnotreallyrelevanttothischapter,wewill
startoutwiththeHBSandtheHMUssettotherefactorydefaultsexceptfortheIPaddresses.
WewillmaintaintheIPaddressesusedinthepreviouschapters.Inpractice,theIPaddresses
ofsectorelementmaywellbeconfiguredusingDirectorLocalConnectionpriorto
reproductionofsectorparametersfroma“template”sector(suchaswearecreating)and
mostlikelybeforedeploymentinthefield.
FurtherwewillnotmakeanyuseoftheMapviewinthischapter.Onceagain,inpractice,a
MobilesystemwouldbemanagedfromaNOCusinganenterprisestandardNMS.