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ID:44629235
大小:836.00 KB
页数:98页
时间:2019-10-24
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1、channelrequestMSBTSBSCMSCVLRchannelrequestMSBTSBSCMSCVLRestablishmentcauseanswerforpaging(MTC)emergencycallcallre-establishmentuserrequest(MOC,SMS,suppl.service)otherserives(loc.update,IMSIdetach)randomnumberchannelrequestMSBTSBSCMSCVLRchannelrequiredchannelrequestMSBTSBSCMSCVLRchannelrequire
2、dBSCstartssearchingforaSDCCHchannel-channelavailable->reservation-nochannelavailable->blockingchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCHseizatt.SDCCHbusyatt.GhostCCCHRes.BSCstartssearchingforaSDCCHchannel-channelavailable->reservation-nochannelavailable->blockingchannelrequestMSBTSBSCMSC
3、VLRchannelrequiredSDCCHseizatt.SDCCHbusyatt.GhostCCCHRes.channelactivationchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCHseizatt.SDCCHbusyatt.GhostCCCHRes.channelactivationchannelact.ackn.channelrequestMSBTSBSCMSCVLRchannelrequiredSDCCHseizatt.SDCCHbusyatt.GhostCCCHRes.channelactivationchannelact
4、.ackn.immediateassignmentchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCHseizatt.SDCCHbusyatt.GhostCCCHRes.channelactivationchannelact.ackn.immediateassignmentinformationincludedpagemodetimingadvancechanneldescriptiontimeslotsubchanneltrainingsequencecodeRFchannelnumbertimer3101startedinthe
5、BSCchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCHseizatt.SDCCHbusyatt.GhostCCCHRes.channelactivationchannelact.ackn.immediateassignmentSDCCHassign.informationincludedpagemodetimingadvancechanneldescriptiontimeslotsubchanneltrainingsequencecodeRFchannelnumbertimer3101startedintheBSCchannel
6、requestMSBTSBSCMSCVLRchannelrequiredSDCCHseizatt.SDCCHbusyatt.GhostCCCHRes.channelactivationchannelact.ackn.immediateassignmentSDCCHassign.immediateassignmentchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCHseizatt.SDCCHbusyatt.GhostCCCHRes.channelactivationchannelact.ackn.immediateassignmentSDCCHa
7、ssign.immediateassignmentESTABLISHMENTPARTchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCHseizatt.SDCCHbusyatt.GhostCCCHRes.channelactivationchannelact.ackn.immediateassignmentSDCCHassign.immediateassignmentCMser
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