CDMA信令分析

1、3.4 呼叫流程呼叫流程l局間呼叫流程HLRMSC/VLRMSC/VLRLOCREQROUTREQroutreqlocreqBSSBSSAC/DC/DACM Service RequestAssignment RequestAssignment CompleteIAI/IAMPaging RequestPaging ResponseAssignment RequestAssignment CompleteACMConnectANC. Conversation .Clear RequestCLFClear CommandClear CommandClear CompleteClear Compl

2、eteRLG3.5 鑒權流程鑒權流程l主叫過程中的鑒權（SSD未共享，帶SSD更新）asreportBase Station ChallengeMSC/VLRHLR/ACAUTHREQauthreq(RANDSSD)BSCSSD Update RequestBase Station Challenge ResponseAuthentication RequestAuthentication ResponseSSD Update Responsebschall(AUTHBS)BSCHAll(RANDBS)ASREPORT(SSDURPT,UCHALRPT)CM Service RequestAs

3、signment RequestAssignment Complete.3.5 鑒權流程鑒權流程l鑒權指示發(fā)起的SSD更新3.6 補充業(yè)務流程補充業(yè)務流程lFEATURE操作流程HLRMSC/VLRFEATREQfeatreqBSSAC/DCM Service RequestAssignment RequestAssignment CompleteClear CommandClear Complete放音指示成功或失敗QUALDIRqualdircall setup3.6 補充業(yè)務流程補充業(yè)務流程l無條件前轉(CFU)流程HLRMSC/VLRMSC/VLRLOCREQ(DGTSDIAL)loc

4、req(REDIND, TERMLIST)BSSBSSAC/DC/DACM Service RequestAssignment RequestAssignment Completecall setupINFODIRinfodirFeature NotificationFeature Notification Ack3.6 補充業(yè)務流程補充業(yè)務流程l遇忙前轉(CFB)流程圖（局間）HLRMSC/VLRMSC/VLRLOCREQ(DGTSDIAL)locreq(REDIND, TERMLIST)BSSBSSAC/DC/DACM Service RequestAssignment RequestAs

5、signment Completecall setupROUTREQroutreq(ACCDEN=Busy)3.6 補充業(yè)務流程補充業(yè)務流程l遇忙前轉(CFB)流程圖（局內(nèi)）HLRMSC/VLRLOCREQ(DGTSDIAL)locreq(REDIND=CDLocal)BSSAC/DCM Service RequestAssignment RequestAssignment Completecall setupTRANUMREQ(REDRESON=busy)tranumreq(TERMLIST)3.6 補充業(yè)務流程補充業(yè)務流程l無應答前轉(CFNA)流程HLRMSC/VLRMSC/VLRLOC

6、REQROUTREQroutreqlocreqBSSBSSAC/DC/DACM Service RequestAssignment RequestAssignment CompleteIAI/IAMPaging RequestPaging ResponseAssignment RequestAssignment CompleteACM振鈴超時CLFClear CommandClear CompleteRLGREDREQ(REDREASON=NoAnswer)TRANUMREQ(REDREASON=NoAnswer)tranumreq(TERMLIST)redreqcall setup3.6 補

7、充業(yè)務流程補充業(yè)務流程l呼叫等待(CW)流程HLRMSC/VLRMSC/VLRBSSBSSAC/DC/DA. Conversation .MS1MS2LOCREQROUTREQroutreqlocreqCM Service RequestAssignment RequestAssignment CompleteIAI/IAMMS3Flash With InformationFlash With InformationMS3. Conversation .MS2Flash With Information. Conversation .MS1MS2Clear CommandClear Reque

8、stClear Complete. Conversation .MS3MS2CLFCFG3.6 補充業(yè)務流程補充業(yè)務流程l三方通話(3WC)業(yè)務流程HLRMSC/VLRMSC/VLRBSSBSSAC/DC/DA. Conversation .MS1MS2LOCREQROUTREQroutreqlocreqFlash with Information(called party address)Assignment RequestAssignment CompleteIAI/IAM. MS2 Hold, MS1 & MS3Conversation .MS3. 3 Way Conversat

9、ion .MS2MS3Clear CommandClear Complete. MS1 & MS2 Conversation .MS3CLFCFGPaging RequestPaging ResponseConnectACMANCFlash with InformationFlash with InformationMS23.7 切換流程切換流程l前向切換流程MSC/VLRMSC/VLRBSSBSSAEAHandoff RequiredHandoff CommandHandoff RequestHandoff Request AcknowledgeHandoff CompleteHan

10、doff CommencedFACDIR2facdir2MSONCHClear CommandClear Complete3.7 切換流程切換流程l后向切換流程MSC/VLRMSC/VLRBSSBSSAEAHandoff RequiredHandoff CommandHandoff RequestHandoff Request AcknowledgeHandoff CompleteHandoff CommencedHANDBACK2handback2FACRELClear CommandClear Completefacrel3.7 切換流程切換流程l切換到第三方BSSBSSAEAHandoff RequiredHandoff CommandHandoff RequestHandoff