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ID:50466643
大小:857.00 KB
页数:98页
时间:2020-03-14
《GSM呼叫流程大全(动画“加”详细参数ppt.ppt》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、channelrequestMSBTSBSCMSCVLRchannelrequestMSBTSBSCMSCVLRestablishmentcauseanswerforpaging(MTC)emergencycallcallre-establishmentuserrequest(MOC,SMS,suppl.service)otherserives(loc.update,IMSIdetach)randomnumberchannelrequestMSBTSBSCMSCVLRchannelrequiredchanne
2、lrequestMSBTSBSCMSCVLRchannelrequiredBSCstartssearchingforaSDCCHchannel-channelavailable->reservation-nochannelavailable->blockingchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCHseizatt.SDCCHbusyatt.GhostCCCHRes.BSCstartssearchingforaSDCCHchannel-channelavail
3、able->reservation-nochannelavailable->blockingchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCHseizatt.SDCCHbusyatt.GhostCCCHRes.channelactivationchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCHseizatt.SDCCHbusyatt.GhostCCCHRes.channelactivationchannelact.ackn.c
4、hannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCHseizatt.SDCCHbusyatt.GhostCCCHRes.channelactivationchannelact.ackn.immediateassignmentchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCHseizatt.SDCCHbusyatt.GhostCCCHRes.channelactivationchannelact.ackn.immediateassig
5、nmentinformationincludedpagemodetimingadvancechanneldescriptiontimeslotsubchanneltrainingsequencecodeRFchannelnumbertimer3101startedintheBSCchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCHseizatt.SDCCHbusyatt.GhostCCCHRes.channelactivationchannelact.ackn.
6、immediateassignmentSDCCHassign.informationincludedpagemodetimingadvancechanneldescriptiontimeslotsubchanneltrainingsequencecodeRFchannelnumbertimer3101startedintheBSCchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCHseizatt.SDCCHbusyatt.GhostCCCHRes.channel
7、activationchannelact.ackn.immediateassignmentSDCCHassign.immediateassignmentchannelrequestMSBTSBSCMSCVLRchannelrequiredSDCCHseizatt.SDCCHbusyatt.GhostCCCHRes.channelactivationchannelact.ackn.immediateassignmentSDCCHassign.immediateassignmentESTABLISHMENTPARTchan
8、nelrequestMSBTSBSCMSCVLRchannelrequiredSDCCHseizatt.SDCCHbusyatt.GhostCCCHRes.channelactivationchannelact.ackn.immediateassignmentSDCCHassign.immediateassignmentCMser
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