510101970s260606s2606xx3GPP协议.docx
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510101970s260606s2606xx3GPP协议
26.6.6Testoffrequencyredefinition
TheFrequencyRedefinitionprocedureisusedbythenetworktochangethefrequenciesandhoppingsequencesoftheallocatedchannels.
26.6.6.1Frequencyredefinition
26.6.6.1.1Conformancerequirements
AnMS,afterreceivingaFREQUENCYREDEFINITIONmessage,shallstartusingthenewfrequenciesandhoppingsequenceinthecorrecttimeslotwhentheMSisallocatedadedicatedchannel.
ThebehaviourdescribedinthetestpurposeisappliedforeachcombinationofthevalueT（k）（k=1,2,3）andforeachsupporteddedicatedchanneltype.
References
3GPP TS04.08/3GPP TS 44.018subclauses3.4.5,9.1.13and10.5.2.13.
26.6.6.1.2Testpurpose
ToverifythattheMS,afterreceivingaFrequencyRedefinitionmessage,startsusingthenewfrequenciesandhoppingsequenceatthetimeindicatedinthemessage.
26.6.6.1.3Methodoftest
InitialConditions
SystemSimulator:
1cell,CCCH_CONFsetto1basicphysicalchannelusedforCCCH,notcombinedwithSDCCHs.ThecellallocationissettoCA
（1）,dependingonthebandofoperationoftheMobileStationbeforeeachexecutionofthistest.
MobileStation:
TheMSisinthe"idle,updated"state,withaTMSIallocated.
SpecificPICSstatements
-MSsupportsGSMHR（TSPC_AddInfo_Halfrate）
PIXITstatements
-
ForeseenFinalStateoftheMS
"Idle,updated",withTMSIallocated.
TestProcedure
Testparameters:
ca
（1）issetaccordingtothecolunmca
（1）oftablebelow.
AnarbitrarysubsetCA
（1）ofthesetinthecolumnCARangeofthetablebelowcontainingca
（1）elementsisdrawn.CA
（1）isthencodedusingthecodingschemefromthetablebelow.
AnelementBofthesetCA
（1）isarbitrarilychosen.
Anarbitraryvalueca
（2）intherangeindicatedincolumnca
（2）ofthetablebelowischosen.
AnarbitrarysubsetCA
（2）ofthesetinthecolumnCARangeofthetablebelowwithca
（2）elementsandcontainingBischosen.
Anarbitraryvalueca（3）intherangeindicatedincolumnca（3）ofthetablebelowischosen.
AnarbitrarysubsetCA（3）ofthesetinthecolumnCARangeofthetablebelowwithca（3）elementsandcontainingBischosen.
Forj=1,2,3,valuesma（j）intherangej,...,ca（j）1andvaluesMAIO（j）intherange0,...,ma（j）1arearbitrarilychosen.
SubsetsMA（j）ofCA（j）notcontainingBandhavingma（j）elementsarearbitrarilychosen.
Band
ca
（1）
CARange
ca
（2）
ca（3）
Coding
GSM450
32
259,…,293
17,…,31
4,…,16
Range128
GSM480
32
306,…,340
17,…,31
4,…,16
Range128
GSM710
64
438,…,511
19,…,62
3,…,18
Range128
GSM750
64
438,…,511
19,…,62
3,…,18
Range128
T-GSM810
64
438,…,511
19,…,62
3,…,18
Range128
GSM850
64
128,…,251
19,…,62
3,…,18
Variablebitmap
GSM900
64
1,…,124
20,…,63
4,…,19
Bitmap0
DCS1800
64
700,…,812
17,…,63
4,…,16
Variablebitmap
PCS1900
64
700,…,810
17,…,63
4,…,16
Variablebitmap
LetT
（1）=91,T
（2）=42 000.
AnarbitraryvalueT（3）intherange92,...,29999ischosen.
TheSystemSimulatorpagestheMSandaftertheMShasrespondedwithaCHANNELREQUEST,thesimulatorassignsadedicatedchannel（TCH/F,TCH/HorSDCCH,asdefinedbytheexecutioncounterR）.ThentheSSsendsaFREQUENCYREDEFINITIONmessage,whichmodifiesthefrequencies/hoppingsequencetobeusedbytheMS.TheMSshallthen,attheTDMAframedefinedbythecontentsofthe"StartingTime"informationelement,usethenewfrequencies/hoppingsequence.（ThevalueofT
（2）ensuresthattheMSbelievestheStartingTimehaspassedandsotheMSshallstarttransmittingimmediately.Immediatelybeinginthescopeofthistestnolaterthan73FramesforSDCCH/8orTCH/Fand90FramesforTCH/HaftertheSSsendsthelastburstofthefirstL2framecontainingthebeginningoftheFREQUENCYREDEFINITIONmessage.TherangeforT（3）ensuresthattheMShastowaituntilthedesignatedframebeforestartingtransmissiononthenewfrequencies.）
TheverificationisperformedattheRFburstlevel.TheMStransmitsthestandardtestsignalC1（annex 5）,andfortheTCHcase,theSSchecksthereceivedpatternwiththeexpectedpattern.FortheSDCCHcasetheMStransmitsfillframes,andtheSSchecksforeachburstwhethertheburstistransmittedattherightfrequency.
MaximumDurationofTest
3*（numberofsupportedchannels*T（3）+7）
ExpectedSequence
ThissequenceisperformedforeverycombinationofexecutioncountersK=1,2,3andR=1,2,3:
Step
Direction
Message
Comments
1
SS->MS
PAGINGREQUESTTYPE1
2
MS->SS
CHANNELREQUEST
3
SS->MS
IMMEDIATEASSIGNMENT
4
MS->SS
PAGINGRESPONSE
5
--------
--------
TheSSchecksthattheMSistransmittingonthecorrectfrequencieswithoutdelay.
6
SS->MS
FREQUENCYREDEFINITION
Seedescription1below.
7
--------
--------
TheSSchecksthattheMSistransmittingonthecorrectfrequenciesandthatthetransmissionsstartedinthecorrectframe.
8
SS->MS
FREQUENCYREDEFINITION
Seedescription2below.
9
--------
--------
TheSSchecksthattheMSistransmittingonthecorrectfrequenciesandthatthetransmissionsstartedinthecorrectframe.
10
SS->MS
CHANNELRELEASE
For:
K=1,R=1,2,3T（K）=T
（1）;
K=2,R=1,2,3T（K）=T
（2）;
K=3,R=1,2,3T（K）=T（3）.
SpecificMessageContents
IMMEDIATEASSIGNMENT
InformationElement
value/remark
L2pseudolength
valuedependentonthelengthoftheMobileAllocationandthusonthenumberofchannelsinCA
（1）.
ChannelDescription
Channeltype
SDCCH/8arbitraryoffset,forR=1
andTDMAoffset
Bm+ACCHsforR=2
Lm+ACCHsarbitraryoffset,forR=3
Timeslotnumber
arbitrarilyselectedby
TSC
arbitrarilyselected
Hoppingchannel
RFhoppingchannel
MAIO
MAIO
（1）
HSN
0
Requestreference
correspondstotheChannelRequest
Timingadvance
30bitperiods
MobileAllocation
correspondstosetMA
（1）
StartingTime
notpresent
IArestoctets
allbitsaresettospare
FREQUENCYREDEFINITION（Description1）
InformationElement
value/remark
ProtocolDiscriminator
RRManagement
SkipIndicator
0000
MessageType
00101011
ChannelDescription
Channeltype
SDCCH/8offsetnotchanged,forR=1
andTDMAoffset
Bm+ACCHsforR=2
Lm+ACCHsoffsetnotchanged,forR=3
Timeslotnumber
notchanged
TSC
notchanged
Hoppingchannel
RFhoppingchannel
MAIO
MAIO
（2）
HSN
0
MobileAllocation
correspondstosetMA
（2）
StartingTime
ThelastburstofthefirstL2framecontainingthebeginningofthismessageistransmittedinframenumberX.Thestartingtimeissettoframenumber（XplusT（K）modulo42 432）.
CellChannelDescription
Informationelementidentifier
62H
contents
correspondstosetCA
（2）encodedaccordingtothetablebelow.
Band
CellChannelDescription–codingformat
Step6
Step8
GSM450
Range128
Range128
GSM480
Range128
Range128
GSM710
Range128
Range128
GSM750
Range128
Range128
T-GSM810
Range128
Range128
GSM850
Range128
Range128
GSM900
Bitmap0
Bitmap0
DCS1800
Variablebitmap
K=1:
Range1 024
K=2:
Range256
K=3:
Range512
PCS1900
Variablebitmap
K=1:
Range1 024
K=2:
Range256
K=3:
Range512
26.6.7Testofthechannelmodemodifyprocedure
ThechannelmodemodifyprocedureallowsthenetworktorequesttheMStochangethechannelmodeforonechannel.IfthemobilestationdoesnotcorrectlyrespondtotheCHANNELMODEMODIFYmessage（withapositiveacknowledgementifthenewchannelmodeissupported,withanegativeacknowledgementifthenewchannelmodeisnotsupported）,thenetworkmaytrytorepeattheprocedure,releasetheconnection,orcontinuetowaitfortheacknowledgement（themaximumtimeresultingfromlayertwore-transmissionsandMSreactiontimebeingaround5 s）.
26.6.7.1Testofthechannelmodemodifyprocedure/fullrate
26.6.7.1.1Conformancerequirement
WhentheMShasreceivedtheCHANNELMODEMODIFYmessage,themobilestationchangesthemodefortheindicatedchannelandthenrepliesbyaCHANNELMODEMODIFYACKNOWLEDGEmessageindicatingthenewchannelmode.
Ifthemobilestationdoesnotsupporttheindicatedmode,itshallretaintheoldmodeandreturntheassociatedchannelmodeinformationintheCHANNELMODEMODIFYACKNOWLEDGEmessage.
References
3GPP TS 04.08/3GPP TS 44.018,subclauses3.4.6.1.2and3.4.6.1.3
26.6.7.1.2Testpurpose
ToverifythattheMS,inanRRconnectedstate,acknowledgesaCHANNELMODEMODIFYmessagebysendingaCHANNELMODEMODIFYACKNOWLEDGEMENTmessagespecifyingandswitchingtothecorrectmode.
-thenewmodeifthatmodeissupported.
-theoldmodeifthenewmodeisnotsupported.
Thisshallbeverifiedforthechannelmodes
-signallingonly.
-speechfullrateversion1.
-data9,6Kb/s.
-data4,8Kb/sfullrate.
-data2,4Kb/sfullrate.
26.6.7.1.3Methodoftest
InitialConditions
SystemSimulator:
1cells,defaultparameters.
MobileStation:
TheMSis"idleupdated",withTMSIallocated.
SpecificPICSstatements
-GSMFR（TSPC_AddInfo_Full_rate_version_1）
-9.6kfullratedatamode（TSPC_AddInfo_96Data）
-4.8kfullratedatamode（TSPC_AddInfo_48DataF）
-2.4kfullratedatamode（TSPC_AddInfo_24DataF）
PIXITstatements
-
ForeseenFinalStateoftheMS
"Idle,updated",withTMSIallocated.
Testprocedure
AMobileTerminatedcallisinitiated,howeverfollowingtheChannelRequestreceivedfromtheMobileStation,theSSsendsanImmediateAssignmenttotheMScommandingittogotoaTCH/F.ThissetstheChannelModeautomaticallyto"SignallingOnly".
TheSSthensendsaseriesofCHANNELMODEMODIFYmessagestotheMS.EachtimeitischeckedthattheMSrespondswithaCHANNELMODEMODIFYACKNOWLEDGEmessagespecifying:
-thechannelmodethathasbeenspeci
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