gsm呼叫流程大全.ppt

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1、gsm呼叫流程大全呼叫流程大全NOKIA TELECOMMUNICATIONSchannelrequestMSBTSBSCMSCVLR establishment cause answer for paging (MTC) emergency call call re-establishment user request (MOC, SMS, suppl.service) other serives (loc. update, IMSI detach) random numberNOKIA TELECOMMUNICATIONSchannelrequestMSBTSBSCMSCVLRchanne

2、lrequiredNOKIA TELECOMMUNICATIONSchannelrequestMSBTSBSCMSCVLRchannelrequired BSC starts searching for a SDCCH channel - channel available - reservation - no channel available - blockingNOKIA TELECOMMUNICATIONSchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res. BS

3、C starts searching for a SDCCH channel - channel available - reservation - no channel available - blockingNOKIA TELECOMMUNICATIONSchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationNOKIA TELECOMMUNICATIONSchannelrequestMSBTSBSCMSCVLRchannelrequir

4、edSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.NOKIA TELECOMMUNICATIONSchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentNOKIA TELECOMMUNICATIONSchannelrequestMSBTSBSCMSCVLRch

5、annelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignment information included page mode timing advance channel description timeslotsubchanneltraining sequence codeRF channel number timer 3101 started in the BSCNOKIA TELECOMMUNICATIONSchannelrequ

6、estMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign. information included page mode timing advance channel description timeslotsubchanneltraining sequence codeRF channel number timer 3101 started in the BSCNOK

7、IA TELECOMMUNICATIONSchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentNOKIA TELECOMMUNICATIONSchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCC

8、H Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentESTABLISHMENT PARTNOKIA TELECOMMUNICATIONSchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassi

9、gnmentCM servicerequestNOKIA TELECOMMUNICATIONSchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequest required service mobile originated call/SMS mobile terminated

10、call/SMS location update call re-establishment IMSI detach request timer 3101 started in the mobileNOKIA TELECOMMUNICATIONSchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM s

11、ervicerequestestablishindicationNOKIA TELECOMMUNICATIONSchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequestestablishindication timer 3101 stopped in the BSCNOKIA

12、 TELECOMMUNICATIONSchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequestestablishindicationSucc. Seiz. Orig.Succ. Seiz. Term.SDCCH call re est.SDCCH emerg. callSuc

13、c. SMS est.Unsucc. SMS est.SDCCH loc. update timer 3101 stopped in the BSCNOKIA TELECOMMUNICATIONSchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentimmediateassignmentCM servicerequestestablishindicationSucc.

14、Seiz. Orig.Succ. Seiz. Term.SDCCH call re est.SDCCH emerg. callSucc. SMS est.Unsucc. SMS est.SDCCH loc. updateCM servicerequestSDCCH assign.NOKIA TELECOMMUNICATIONSchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassig

15、nmentimmediateassignmentCM servicerequestestablishindicationSucc. Seiz. Orig.Succ. Seiz. Term.SDCCH call re est.SDCCH emerg. callSucc. SMS est.Unsucc. SMS est.SDCCH loc. updateCM servicerequestSDCCH assign. BSC starts to initiate signalling connection control part (SCCP) connection NOKIA TELECOMMUNI

16、CATIONSchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequestestablishindicationSucc. Seiz. Orig.Succ. Seiz. Term.SDCCH call re est.SDCCH emerg. callSucc. SMS est.U

17、nsucc. SMS est.SDCCH loc. updateCM servicerequestUANOKIA TELECOMMUNICATIONSchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequestestablishindicationSucc. Seiz. Orig

18、.Succ. Seiz. Term.SDCCH call re est.SDCCH emerg. callSucc. SMS est.Unsucc. SMS est.SDCCH loc. updateCM servicerequestUA timer 3101 stopped in the mobileNOKIA TELECOMMUNICATIONSchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.im

19、mediateassignmentSDCCH assign.immediateassignmentCM servicerequestestablishindicationSucc. Seiz. Orig.Succ. Seiz. Term.SDCCH call re est.SDCCH emerg. callSucc. SMS est.Unsucc. SMS est.SDCCH loc. updateCM servicerequestUA processaccess requestNOKIA TELECOMMUNICATIONSchannelrequestMSBTSBSCMSCVLRchanne

20、lrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequestestablishindicationSucc. Seiz. Orig.Succ. Seiz. Term.SDCCH call re est.SDCCH emerg. callSucc. SMS est.Unsucc. SMS est.SDCCH loc. updateCM servic

21、erequestUA processaccess requestCYPHERING &ENCRYPTION PARTNOKIA TELECOMMUNICATIONSchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequestestablishindicationSucc. Sei

22、z. Orig.Succ. Seiz. Term.SDCCH call re est.SDCCH emerg. callSucc. SMS est.Unsucc. SMS est.SDCCH loc. updateCM servicerequestUA processaccess requestauthenticate requestNOKIA TELECOMMUNICATIONSchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationcha

23、nnelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequestestablishindicationSucc. Seiz. Orig.Succ. Seiz. Term.SDCCH call re est.SDCCH emerg. callSucc. SMS est.Unsucc. SMS est.SDCCH loc. updateCM servicerequestUA processaccess requestauthenticate requestauthentication request

24、NOKIA TELECOMMUNICATIONSchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequestestablishindicationSucc. Seiz. Orig.Succ. Seiz. Term.SDCCH call re est.SDCCH emerg. ca

25、llSucc. SMS est.Unsucc. SMS est.SDCCH loc. updateCM servicerequestUA processaccess requestauthenticate requestauthentication requestauthentication requestNOKIA TELECOMMUNICATIONSchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.

26、immediateassignmentSDCCH assign.immediateassignmentCM servicerequestestablishindicationSucc. Seiz. Orig.Succ. Seiz. Term.SDCCH call re est.SDCCH emerg. callSucc. SMS est.Unsucc. SMS est.SDCCH loc. updateCM servicerequestUA processaccess requestauthenticate requestauthentication requestauthentication

27、 requestA3SRESRANDKi (first 8 bits)NOKIA TELECOMMUNICATIONSchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequestestablishindicationSucc. Seiz. Orig.Succ. Seiz. Ter

28、m.SDCCH call re est.SDCCH emerg. callSucc. SMS est.Unsucc. SMS est.SDCCH loc. updateCM servicerequestUA processaccess requestauthenticate requestauthentication requestauthentication requestauthentication responseNOKIA TELECOMMUNICATIONSchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH

29、busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequestestablishindicationSucc. Seiz. Orig.Succ. Seiz. Term.SDCCH call re est.SDCCH emerg. callSucc. SMS est.Unsucc. SMS est.SDCCH loc. updateCM servicerequestUA processaccess reque

30、stauthenticate requestauthentication requestauthentication requestauthentication responseauthentication responseNOKIA TELECOMMUNICATIONSchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediatea

31、ssignmentCM servicerequestestablishindicationSucc. Seiz. Orig.Succ. Seiz. Term.SDCCH call re est.SDCCH emerg. callSucc. SMS est.Unsucc. SMS est.SDCCH loc. updateCM servicerequestUA processaccess requestauthenticate requestauthentication requestauthentication requestauthentication responseauthenticat

32、ion responseauthentication responseNOKIA TELECOMMUNICATIONSchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequestestablishindicationSucc. Seiz. Orig.Succ. Seiz. Ter

33、m.SDCCH call re est.SDCCH emerg. callSucc. SMS est.Unsucc. SMS est.SDCCH loc. updateCM servicerequestUA processaccess requestauthenticate requestauthentication requestauthentication requestauthentication responseauthentication responseauthentication response set ciphering modeNOKIA TELECOMMUNICATION

34、SchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequestestablishindicationSucc. Seiz. Orig.Succ. Seiz. Term.SDCCH call re est.SDCCH emerg. callSucc. SMS est.Unsucc.

35、 SMS est.SDCCH loc. updateCM servicerequestUA processaccess requestauthenticate requestauthentication requestauthentication requestauthentication responseauthentication responseauthentication response set ciphering modeciphering mode commandNOKIA TELECOMMUNICATIONSchannelrequestMSBTSBSCMSCVLRchannel

36、requiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequestestablishindicationSucc. Seiz. Orig.Succ. Seiz. Term.SDCCH call re est.SDCCH emerg. callSucc. SMS est.Unsucc. SMS est.SDCCH loc. updateCM service

37、requestUA processaccess requestauthenticate requestauthentication requestauthentication requestauthentication responseauthentication responseauthentication response set ciphering modeciphering mode commandencryption commandNOKIA TELECOMMUNICATIONSchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz

38、 att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequestestablishindicationSucc. Seiz. Orig.Succ. Seiz. Term.SDCCH call re est.SDCCH emerg. callSucc. SMS est.Unsucc. SMS est.SDCCH loc. updateCM servicerequestUA processa

39、ccess requestauthenticate requestauthentication requestauthentication requestauthentication responseauthentication responseauthentication response set ciphering modeciphering mode commandencryption commandciphering mode commandNOKIA TELECOMMUNICATIONSchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH

40、seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequestestablishindicationSucc. Seiz. Orig.Succ. Seiz. Term.SDCCH call re est.SDCCH emerg. callSucc. SMS est.Unsucc. SMS est.SDCCH loc. updateCM servicerequestUA proc

41、essaccess requestauthenticate requestauthentication requestauthentication requestauthentication responseauthentication responseauthentication response set ciphering modeciphering mode commandencryption commandciphering mode commandA8ciphering key (Kc)RANDKiNOKIA TELECOMMUNICATIONSchannelrequestMSBTS

42、BSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequestestablishindicationSucc. Seiz. Orig.Succ. Seiz. Term.SDCCH call re est.SDCCH emerg. callSucc. SMS est.Unsucc. SMS est.SDCCH loc.

43、updateCM servicerequestUA processaccess requestauthenticate requestauthentication requestauthentication requestauthentication responseauthentication responseauthentication response set ciphering modeciphering mode commandencryption commandciphering mode commandciphering mode completeNOKIA TELECOMMUN

44、ICATIONSchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequestestablishindicationSucc. Seiz. Orig.Succ. Seiz. Term.SDCCH call re est.SDCCH emerg. callSucc. SMS est.

45、Unsucc. SMS est.SDCCH loc. updateCM servicerequestUA processaccess requestauthenticate requestauthentication requestauthentication requestauthentication responseauthentication responseauthentication response set ciphering modeciphering mode commandencryption commandciphering mode commandciphering mo

46、de completeciphering mode completeNOKIA TELECOMMUNICATIONSchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCH seiz att.SDCCH busy att.Ghost CCCH Res.channelactivationchannelact. ackn.immediateassignmentSDCCH assign.immediateassignmentCM servicerequestestablishindicationSucc. Seiz. Orig.Succ. Seiz. Term

47、.SDCCH call re est.SDCCH emerg. callSucc. SMS est.Unsucc. SMS est.SDCCH loc. updateCM servicerequestUA processaccess requestauthenticate requestauthentication requestauthentication requestauthentication responseauthentication responseauthentication response set ciphering modeciphering mode commanden

48、cryption commandciphering mode commandciphering mode completeciphering mode completeaccess request acceptedNOKIA TELECOMMUNICATIONSMSBTSBSCMSCVLR forward new TMSINOKIA TELECOMMUNICATIONSMSBTSBSCMSCVLR forward new TMSITMSI mand combintation of new TMSI and LAI combintation of IMSI and LAINOKIA TELECO

49、MMUNICATIONSMSBTSBSCMSCVLR forward new TMSITMSI mandTMSI reallocation com.NOKIA TELECOMMUNICATIONSMSBTSBSCMSCVLR forward new TMSITMSI mandTMSI reallocation com.TMSI reallocation completeNOKIA TELECOMMUNICATIONSMSBTSBSCMSCVLR forward new TMSITMSI mandTMSI reallocation com.TMSI reallocation completeTM

50、SI pleteNOKIA TELECOMMUNICATIONSMSBTSBSCMSCVLR forward new TMSITMSI mandTMSI reallocation com.TMSI reallocation completeTMSI pleteTMSI ackn.NOKIA TELECOMMUNICATIONSMSBTSBSCMSCVLR forward new TMSITMSI mandTMSI reallocation com.TMSI reallocation completeTMSI pleteTMSI ackn.setup (SDCCH)NOKIA TELECOMMU