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SingleCellfunctionaltest
(SCFT
)
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SCFC1
Pilot Scrambling
code
identify
cell
as
per
plannedincell
mobilescreen
LMCompleteLandlinetoMobile,tocheck
MLMobiletoLandline,tocheckworkability
MM(TTSL)complete TATAMobiletoTATAAlltheseinfocanbefind
fromstationarytest
,
dependsonotherphonesinwhichtechnology)
MM(Other)complete TATAMobiletoOther
,
dependsonotherphonesinwhichtechnology)
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SCFC2
,relatedtovoicequality,Itshouldbelessaspossible90dBm.IfEc isgooditmaybeEcIomayalsogood,Whichisnotcompletely
.
RSSI Receive
Signal
strength
indicator
It
is
total
receive
power
of
5MHz
channelbandwidthofWCDMA,itshouldbebetterthan 90dBm
MSTx Pwr MobileTransmitPower ItindicatehowmuchMobileistransmittingpower,Lowertransmitpowerisbetterfornetwork.MScantransmitbetween40to+21dBmandDatacard40to+23dBm.IfUPLinkhas
Alltheseinfocanbefind
fromdedicatedDriving
nter erence astotransm tmoretoreac o e . es reva ue13dB)normallyRNCaddtheminsoftHO,sosometimeMSistalkingto2or3cellssimultaneously. ThoseongoingcellwillbepartofActivesets,fromwhereyoucanwhichneighborsareactiveinsofthandover.MoreinActivesetsarenotgood
as1user
is
consuming
3cells
and
their
resources
but
it
may
happen
if
you
do
not
modeMoving
oSo t an over uetosome reasons,itmay ea toca rop
AMRCodecRates:Voicehasvariouscodec(Analogtodigitalwithsomeerrorprotection,Voicerate(Userbits+errorprotectionbits=Xkpbs,Youcancompressvoicesoyoucanincreasemoreerrorprotection).WhenyouareinbadEcIoorpoorEc (RSCP)voicedatabecomemorecompresswhichmaynotbegoodforuserperceptionbutyougetmorespaceforerrorprotection,AMRisallaboutsavingcalldependsonRFcondition.NormallyAMR12.2kbpscallisverydesirable.Ifothercodec(7.8,5.6..arenotenablethenmostlyyouwillget12.2kbps)
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SCFC3 IdleNeighbourList Networksendslistofneighborcellswiththeir
ScramblingcodetoMSinidlemodesoMScanreselectbestcellsto
belatch,soMScanlistenpagingmessagesifanyandothernetwork
relatedbroad
casted
parameter
which
MS
require
to
understand
networksetting.Sobasedonthoseallunderstandingofparameter
MStakedecisionhowtoreactinidlemodeandalsoduringinitial
p aseo access.Ouro ect vetonote ownw oaret ene g or
definefromOSSandwhatwecanseefromsysteminformation
duringDrivetest.OurjobtocomparewhatisdefineinOSSand
whatwearereceivinginfieldandfindoutifanydiscrepancyor
Alltheseinfocanbefind
fromidlestationaryor
dedicated drivin mode
m smatc . HandoffParameter in3G,MSisnotsendingmeasuredneighbor
cellsdetailalways,itwillonlysendwhenitrequired?Whencertain
criteriafulfillforneighborcomparetoservingcellthenMobilesendAlltheseinfocanbefind
fromDrivingmode
somemeasurementreporttoNodeBandthenNodeBwillsendto
RNCandbasedonHandoverparametersettingandalgorithmRNC
willinstructNodeBtoinformMobiletoaddorremoveorreplace
neighborcells.Handoffparameterscanbeseenfromsystem
Moving
information.OurjobtocomparewhatisdefineinOSSandwhatwe
arereceivinginfieldandfindoutifanydiscrepancyormismatch.
HOfrom1to 2nd or3rd cellofsamesite,thistesttocheckintra
siteSofthandoversarehappeningornot.
HOfrom2to 1st or3rd cellofsamesite,thistesttocheckintra
siteSofthandoversarehappeningornot.
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SCFC4 Hofrom3to 1st or2nd cellofsamesite,thistesttocheckintrasiteSoft
handoversarehappeningornot.
So tHotoot ersites i ot ersitesneig orce sare aving etterEcIoan t eysatisfyparametersettingofHandoverinthatcase,mobilesendtosend1Aeventmeasurement
report
to
RNC
via
Node
B
and
then
we
have
to
add
neighbor
cell
in
tosofthandover(inactiveset).Additionofneighborcellonlypossibleifitisdefineasneighborinservingcell.IfitisdefinewecanseefromIdleneighborcelllistorfromOSSdatabasedum .SometimeNei hborcellmi hthassomehardwareorcongestionandadditionmaynotbepossible,soweneedtoobserveandnoteitdownwhetherSofthandoverwithothersitecellgotsuccessorfail.SometimeothersitemightnotradiatingsoinidleneighborlistallisdefinebutMobilecannotfinditduringmeasurementsoitmaybereasonitwasnotpossibleandotherfarsitescellsarecomingandthosemaynotbedefineasneighborwhich
.
HardHO normally
in
WCDMA
technology
mostly
handover
are
soft
handover,
but
sometypeofhandoverlikebetweencellbelongstodifferentRNCor3Gto2Ghandoverforvoiceconsideredashandhandover. Wehavetocheckisithappeningornot?
3GVoicecallHOto2G if3Gloadishi horEcIoorRSCPvalueisver oorthan
Alltheseinfocanbefind
fromdedicatedDriving
somethresholdvaluethenitmaytrigger3Gto2Ghandover.Means3Gcellhassome2Gneighborsalsototakecareofvoicecallincaseofpoorcondition.
3GDatacallHOto2G if3GloadishighorEcIoorRSCPvalueisverypoorthansomethresholdvaluethenitmaytrigger3Gto2Ghandover.Means3Gcellhassome2GneighborsalsototakecareofDATA callincaseofpoorcondition.
modeMoving
orma y
ca e
as
o
e
rese ec onas
n
a aca
excep
ps
VideoDatacall).
2GVoiceCallHOto3G 2Gcelllayerismostlytotakecareofvoicebutifyouwishand2Gisloadedmorethancertainthresholdyoucanshiftcallsto3Gif3GcellhasgoodRSCPandEcIoatthatlocation.IfsucheventoccursMSsendMeasurementre ortto2GBSCandthenas ernei hbordefinetableBSCtalktoRNCand etitdone.Iffrom2Gto3GneighborisnotdefinethenMobiledoesntknowabout3Gandneverscanandmeasurethemandsothereisnochancefor2gto3ghandover.
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SCFC5 2GDatacallHOto3G Normally3Gisgoodforbetterdatathroughput
ifMobileiscapablefor3Gtechnology.Ifsomehowduetoanyreasonmobileisconnectto2GanddoingGPRS/EDGEand3Gneighbordefined
its
desirable
to
switch
from
2G
to
3G
and
maximize
data
through
put.
TherearecertainconditionwhereMobilehastokeepcheckingavailabilityof3GandiffoundwithcertainRSCPandEcIoandif3Gnbr isdefineditmayselect3Gcell.
Ping/LatencyTestwhenMobileisin3Gdatacall,youmighthasdifferenttypeofdatachannelsize(32/64/128/256/386kbpsitsdependsonRFconditionandCellloading).YouhavetodoPingtesttospecificIPaddresswiththatdatachannelsize.Inping,whatwedo?PingcommandsendcertainsizeofpacketfromlaptoptoIPaddress
serverand
server
received
it
and
send
it
back
to
Laptop.
How
fast
you
cangetitbackfromlaptoptoservertolaptopdependsonhowgoodisyourdatachannelspeedandRFcondition.WecallitasRoundTripDelayTime(RTT).Desiredvalue
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SCFC6 FTPDownloadThroughput asabovelikeupload,only
.
HTTP
Download
Throughput
as
above
like
upload,
only
differenttodownloadsomevideoorbigfileoremailtoyourlocallaptop
SMSoutgoing Whenyouarein3G,YoucansendSMStoanyphoneandcheckwhetherthisserviceworkingornotineachcell
,from
any
phone
and
check
whether
this
service
working
or
notineachcell
Videocall(voiceCS64)outgoing Videocallin3GisCircuitAlltheseinfocanbefind
fromstationaryDatacallswitchcalllikeVoice,ittakesfix64kbpsdedicatedendtoendlink.Aslongasyouonvideocall,occupiedchannelcannotbesharetodowngrade.Wehavetocheckvideocalls
are workin or not when ou do out oin call.
testingcellwise
Videocall(voiceCS64)incoming Videocallin3GisCircuitswitchcalllikeVoice,ittakesfix64kbpsdedicatedendtoendlink.Aslongasyouonvideocall,occupiedchannelcannot es areto owngra e. e avetoc ec v eoca sareworkingornotwhenyougetincomingvideocall.
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SCFC7 MediaOnDemand(PS64,PS128,PS384) in3G,
speciallyRelease99Packetdatacallhascertaintypeof
channelconfiguration/size.
We
have
to
check
which
channelsizeweareusingwhateverwedoonsuch
c anne .
Alltheseinfocanbefind
fromstationaryDatacall
testingcellwise
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