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第1页共75页8602@hnet.penFigure.1呼叫(主叫)SDCCH基本信令流程图MSBTSBSCMSCChannelRequest(RACH)ChannelRequiredBSC随机接入-立即指配:000008、000012小区SDCCH-立即指配请求008000、008137ChannelActivation(SDCCH)ChannelActivationAcknowledgeImmediateAssignmentCommandImmediateAssignment(AGCH)EstablishIndication(CM-ServiceRequest)BSC整体立即指配成功:000013小区SDCCH-立即指配成功008001、008003、008005、008138、008141、(008142)CompleteL3Infomation(SCCPCR)CMServiceRequestCompleteL3Infomation(SCCPCC)CMServiceAcceptCM-ServiceAccept(DTAP)AssignmentProcedureSignallingConnectionAcknowledgeBSC整体成功的连接次数000014Setup(SDCCH)SetupCallProceedingCallProceeding第1页共75页8602@hnet.penFigure.2呼叫(主叫)TCH基本信令流程图MSBTSBSCMSCAssignmentCompleteBSC整体指配请求次数000089小区TCH占用请求次数008041、008042、008045ChannelActivation(TCH)ChannelActivationAcknowledgeRFChannelRelease(OldChannel)EstablishIndicationBSC整体指配成功次数000090小区TCH占用成功呼叫-主叫次数:008058、008061AlertingAccessandImmediateAssignmentProcedureSignallingAssignmentRequestAssignmentCommand(SDCCH)AssignmentComplete(FACCH)Or:小区TCH占用遇全忙和排队-强拆请求计数器:008051、008052、008076小区TCH成功语音版本008069or008070or008071Or:小区TCH排队-强拆成功:008067、008068小区TCH占用成功(所有的)008057第1页共75页8602@hnet.penFigure.3呼叫(被叫)SDCCH基本信令流程图MSBTSBSCMSCChannelRequest(RACH)ChannelRequiredBSC整体随机接入-立即指配请求:000008、000012小区SDCCH-立即指配请求008000、008137ChannelActivation(SDCCH)ChannelActivationAcknowledgeImmediateAssignmentCommandImmediateassignment(AGCH)EstablishIndication(PagingResponse)BSC寻呼-立即指配成功:000011、000013小区SDCCH-立即指配成功008001、008003、008006、008138、008143、(008144)CompleteL3Infomation(PagingResponse)CallComfirmedAssignmentProcedureSignallingConnectionBSC整体成功连接次数000014Setup(SDCCH)SetupPaging(LAI)BSC整体寻呼请求次数000009PagingRequest(PCH)小区寻呼请求次数008134小区寻呼成功次数008135CallComfirmed第1页共75页8602@hnet.penFigure.4呼叫(被叫)TCH基本信令流程图MSBTSBSCMSCAssignmentCompleteBSC整体指配请求次数000089小区TCH所有的-呼叫-被叫占用请求次数:008041、008042、008046ChannelActivation(TCH)ChannelActivationAcknowledgeRFChannelRelease(OldChannel)EstablishIndicationBSC整体指配成功次数000090小区TCH占用成功呼叫-被叫次数:008058、008062AlertingPagingandImmediateAssignmentProcedureSignallingAssignmentRequestAssignmentCommand(SDCCH)AssignmentComplete(FACCH)小区TCH成功语音版本008069or008070or008071Or:小区TCH占用遇全忙和排队-强拆请求计数器:008051、008052、008076Or:小区TCH排队-强拆成功:008067、008068小区TCH占用成功(所有的)008057第1页共75页8602@hnet.penFigure.5寻呼不成功信令流程图MSBTSBSCMSCPaging(LAI)BSC整体寻呼请求次数000009小区寻呼请求次数计数器008134PagingCommandCCCHLoadIndicationBSC整体不成功寻呼次数000010小区话统CCCH过载次数008136第1页共75页8602@hnet.penFigure.6对MS服务拒绝信令流程图MSBTSBSCMSCChannelRequest(RACH)ChannelRequiredBSC随机接入-立即指配:000008、000012小区SDCCH-立即指配请求008000、008137ChannelActivation(SDCCH)ChannelActivationAcknowledgeImmediateAssignmentCommandImmediateassignment(AGCH)EstablishIndication(CM-ServiceRequest)BSC整体立即指配成功000013小区SDCCH-立即指配成功008001、008003、008005、008138、008141、(008142)CompleteL3Infomation(SCCPCR)CMServiceRequestCompleteL3Infomation(SCCPCC)CMServiceRejectCM-ServiceReject(DTAP)BSC对MS服务拒绝总次数000000BSC对MS服务拒绝(分情况)000001or000002or000003or000004第1页共75页8602@hnet.penFigure.7极早指配信令流程图(图一)说明:在极早指配允许的情况下,紧急呼叫、呼叫重建以及SDCCH遇忙会引起极早指配。CM服务请求orCM重建请求MSBTSBSCMSCChannelRequest(RACH)ChannelRequiredBSC随机接入-立即指配:000008、000012小区SDCCH-立即指配请求008000、008137ChannelActivation(TCH)ChannelActivationAcknowledgeImmediateAssignmentCommandImmediateassignment(AGCH)EstablishIndication(CM服务请求orCM重建请求)BSC整体立即指配成功000013小区立即指配成功计数器008138、008141-(008142)or008135-008143-(008144)or008145or008146CMServiceAcceptCM-ServiceAccept(DTAP)AssignmentProcedureSignalling小区SDCCH占用遇全忙和BSS故障占用失败次数:(008014)、(008015)小区TCH占用请求008041、008043、(008044)小区TCH占用成功(所有的)008057小区TCH占用成功极早指配-SDCCH遇忙:008059、(008060)第1页共75页8602@hnet.penFigure.8极早指配信令流程图(图二)说明:在图一(Figure.7)说明极早指配的立即指配信令流程后,对指配操作的流程进行说明。MSBTSBSCMSCAssignmentCompleteBSC整体指配请求次数000089小区TCH所有的-呼叫占用请求:008041、008042ModeModifyModeModifyAcknowledgeBSC整体指配成功次数000090小区TCH呼叫占用成功008058AccessandImmediateAssignmentProcedureSignallingAssignmentRequest小区TCH成功语音版本008069or008070or008071小区TCH主叫或呼叫重建或被叫占用成功:008061or008063or008062小区TCH主叫或呼叫重建或被叫占用请求:008045or008047or008046ChannelModeModify(FACCH)ChannelModeModifyAcknowledge第1页共75页8602@hnet.penFigure.9正常情况下(即极早指配不允许),呼叫重建SDCCH信令流程图CM重建请求MSBTSBSCMSCChannelRequest(RACH)ChannelRequiredBSC随机接入-立即指配:000008、000012小区SDCCH-立即指配请求008000、008137ChannelActivation(SDCCH)ChannelActivationAcknowledgeImmediateAssignmentCommandImmediateassignment(AGCH)EstablishIndication(CM重建请求)BSC立即指配成功次数:000013小区立即指配-呼叫重建成功次数:008138、008146CMServiceAcceptCM-ServiceAccept(DTAP)小区SDCCH占用成功呼叫重建:008001、008008AssignmentProcedureSignalling第1页共75页8602@hnet.penFigure.10正常情况下(即极早指配不允许),呼叫重建TCH信令流程图,排队允许。MSBTSBSCMSCAssignmentCompleteBSC整体指配请求次数000089小区TCH所有的-呼叫–呼叫重建占用请求次数:008041、008042、008047ChannelActivation(TCH)ChannelActivationAcknowledgeRFChannelRelease(OldChannel)EstablishIndicationBSC整体指配成功次数000090小区TCH占用成功呼叫-直接重试:008058、008063Callre-establishmentImmediateAssignmentProcedureSignallingAssignmentRequestAssignmentCommand(SDCCH)AssignmentComplete(FACCH)小区TCH成功语音版本008069or008070or008071Or:小区TCH占用遇全忙和排队-强拆请求计数器:008051、008052、008076Or:小区TCH排队-强拆成功:008067、008068小区TCH占用成功(所有的)008057第1页共75页8602@hnet.penFigure.11呼叫中,指配操作失败情况信令流程图,排队强拆不允许M
本文标题:详细的GSM信令流程图FlowChat
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