3gscft-120914090928-phpapp02-libre

8/9/2019 3gscft-120914090928-phpapp02-libre

1/9

SingleCellfunctionaltest

(SCFT

)


2/9


3/9

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)


4/9

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)


5/9

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


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.


6/9

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


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.


7/9

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


8/9

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.


9/9

SCFC7 MediaOnDemand(PS64,PS128,PS384) in3G,

speciallyRelease99Packetdatacallhascertaintypeof

channelconfiguration/size.

We

have

to

check

which

channelsizeweareusingwhateverwedoonsuch

c anne .


fromstationaryDatacall

testingcellwise

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