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1、.:.;8602hnet.penFigure.1 呼叫主叫SDCCH根本信令流程图MSBTSBSCMSCChannel Request (RACH)Channel RequiredBSC随机接入-立刻指配:000008、000012小区SDCCH-立刻指配恳求 008000 、008Channel Activation (SDCCH)Channel Activation AcknowledgeImmediate Assignment CommandImmediate Assignment (AGCH)Establish Indication (CM-Service Request)BSC整体立

2、刻指配胜利: 000013小区SDCCH-立刻指配胜利008001 、008003、008005、008、008141、(008142)Complete L3 Infomation (SCCP CR)CM Service RequestComplete L3 Infomation (SCCP CC)CM Service AcceptCM-Service Accept (DTAP)Assignment Procedure Signalling Connection Acknowledge BSC整体胜利的衔接次数000014Setup (SDCCH)SetupCall ProceedingCal

3、l Proceeding Figure.2 呼叫主叫TCH根本信令流程图MSBTSBSCMSCAssignment CompleteBSC整体指配恳求次数000089小区TCH占用恳求次数008041 、008042、008045Channel Activation (TCH)Channel Activation AcknowledgeRF Channel Release (Old Channel)Establish Indication BSC整体指配胜利次数000090小区TCH 占用胜利呼叫-主叫次数:008058、008061Alerting Access and Immediate

4、Assignment Procedure Signalling Assignment Request Assignment Command (SDCCH)Assignment Complete (FACCH)Or: 小区TCH占用遇全忙和排队-强拆恳求计数器: 008051 、008052、008076小区TCH胜利语音版本008069 or 008070 or 008071 Or: 小区TCH排队-强拆胜利: 008067、008068小区TCH占用胜利(一切的)008057Figure.3 呼叫被叫SDCCH根本信令流程图MSBTSBSCMSCChannel Request (RACH)C

5、hannel RequiredBSC整体随机接入-立刻指配恳求:000008、000012小区SDCCH-立刻指配恳求008000 、008Channel Activation (SDCCH)Channel Activation AcknowledgeImmediate Assignment CommandImmediate assignment (AGCH)Establish Indication (Paging Response)BSC寻呼-立刻指配胜利:000011、000013小区SDCCH-立刻指配胜利008001 、008003、008006、008、008143、(008144)

6、Complete L3 Infomation(Paging Response)Call ComfirmedAssignment Procedure Signalling Connection BSC整体胜利衔接次数000014Setup (SDCCH)SetupPaging (LAI)BSC整体寻呼恳求次数 000009Paging Request (PCH)小区寻呼恳求次数008134小区寻呼胜利次数008Call ComfirmedFigure.4 呼叫被叫TCH根本信令流程图MSBTSBSCMSCAssignment CompleteBSC整体指配恳求次数 000089小区TCH一切的

7、- 呼叫 - 被叫占用恳求次数:008041 、008042、008046Channel Activation (TCH)Channel Activation AcknowledgeRF Channel Release (Old Channel)Establish Indication BSC整体指配胜利次数000090小区 TCH 占用胜利呼叫-被叫次数:008058、008062Alerting Paging and Immediate Assignment Procedure Signalling Assignment Request Assignment Command (SDCCH)

8、Assignment Complete (FACCH)小区TCH胜利语音版本008069 or 008070 or 008071 Or: 小区TCH占用遇全忙和排队-强拆恳求计数器: 008051 、008052、008076Or: 小区TCH排队-强拆胜利: 008067、008068小区TCH占用胜利(一切的)008057Figure.5 寻呼不胜利信令流程图MSBTSBSCMSCPaging (LAI)BSC整体寻呼恳求次数 000009小区寻呼恳求次数计数器008134Paging CommandCCCH Load IndicationBSC整体不胜利寻呼次数 000010小区话统CC

9、CH过载次数008Figure.6 对MS效力回绝信令流程图MSBTSBSCMSCChannel Request (RACH)Channel RequiredBSC随机接入-立刻指配:000008、000012小区SDCCH-立刻指配恳求 008000 、008Channel Activation (SDCCH)Channel Activation AcknowledgeImmediate Assignment CommandImmediate assignment (AGCH)Establish Indication (CM-Service Request)BSC整体立刻指配胜利000013

10、小区SDCCH-立刻指配胜利 008001 、008003、008005、008、008141、(008142)Complete L3 Infomation (SCCP CR)CM Service RequestComplete L3 Infomation (SCCP CC)CM Service RejectCM-Service Reject (DTAP)BSC对MS效力回绝总次数 000000BSC对MS效力回绝(分情况) 000001 or 000002 or 000003 or 000004Figure.7 极早指配信令流程图图一阐明:在极早指配允许的情况下,紧急呼叫、呼叫重建以及SDC

11、CH遇忙会引起极早指配。CM效力恳求or CM重建恳求MSBTSBSCMSCChannel Request (RACH)Channel RequiredBSC随机接入-立刻指配:000008、000012小区SDCCH-立刻指配恳求 008000 、008Channel Activation (TCH)Channel Activation AcknowledgeImmediate Assignment CommandImmediate assignment (AGCH)Establish Indication (CM效力恳求 or CM重建恳求)BSC整体立刻指配胜利000013小区立刻指配胜

12、利计数器 008、008141-(008142) or 008-008143-(008144) or008145 or 008146CM Service Accept CM-Service Accept (DTAP)Assignment Procedure Signalling 小区SDCCH占用遇全忙和 BSS缺点占用失败次数 :(008014) 、 (008015)小区TCH占用恳求 008041、008043、(008044)小区TCH占用胜利(一切的) 008057小区TCH占用胜利极早指配-SDCCH遇忙:008059、(008060)Figure.8 极早指配信令流程图图二阐明:在

13、图一(Figure.7)阐明极早指配的立刻指配信令流程后,对指配操作的流程进展阐明。MSBTSBSCMSCAssignment CompleteBSC整体指配恳求次数000089小区TCH一切的-呼叫占用恳求: 008041 、008042Mode Modify Mode Modify AcknowledgeBSC整体指配胜利次数000090小区TCH呼叫占用胜利008058Access and Immediate Assignment Procedure Signalling Assignment Request 小区TCH胜利语音版本008069 or 008070 or 008071 小

14、区TCH主叫或呼叫重建或被叫占用胜利: 008061 or 008063 or 008062小区TCH主叫或呼叫重建或被叫占用恳求: 008045 or 008047 or 008046Channel Mode Modify (FACCH)Channel Mode Modify AcknowledgeFigure.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重建恳求MSBTSBSCMSCChannel Request (RACH)Channel RequiredBSC随机接入-立刻指配: 000008、000012小区SDCCH-立刻指配恳求008000 、008Chann

15、el Activation (SDCCH)Channel Activation AcknowledgeImmediate Assignment CommandImmediate assignment (AGCH)Establish Indication (CM重建恳求)BSC立刻指配胜利次数: 000013小区立刻指配-呼叫重建胜利次数: 008、008146CM Service AcceptCM-Service Accept (DTAP)小区SDCCH占用胜利呼叫重建: 008001、008008Assignment Procedure Signalling Figure.10 正常情况下即

16、极早指配不允许,呼叫重建TCH信令流程图,排队允许。MSBTSBSCMSCAssignment CompleteBSC整体指配恳求次数 000089小区TCH一切的 - 呼叫 呼叫重建占用恳求次数:008041 、008042、008047Channel Activation (TCH)Channel Activation AcknowledgeRF Channel Release (Old Channel)Establish Indication BSC整体指配胜利次数000090小区TCH占用胜利呼叫-直接重试: 008058、008063Call re-establishment Imm

17、ediate Assignment Procedure Signalling Assignment Request Assignment Command (SDCCH)Assignment Complete (FACCH)小区TCH胜利语音版本008069 or 008070 or 008071 Or: 小区TCH占用遇全忙和排队-强拆恳求计数器: 008051 、008052、008076Or: 小区TCH排队-强拆胜利: 008067、008068小区TCH占用胜利(一切的) 008057Figure.11 呼叫中,指配操作失败情况信令流程图,排队强拆不允许MSBTSBSCMSCAssig

18、nment FailureBSC整体指配恳求次数 000089小区TCH一切的 - 呼叫 占用恳求次数:008041 、008042BSC整体指配失败次数000091小区 TCH 占用失败次数 008075 、008078Access and Immediate Assignment Procedure Signalling Assignment Request 小区TCH占用恳求(分情况) 008045 or 008046 or 008047小区TCH占用失败(分情况) 008080 or 008081 or 008082 小区TCH占用失败(分缘由)008089 or 008090 or

19、008091 or 008092BSC内部音讯处置操作BSC指配失败次数(分缘由) 000092 or 000093 or 000094 or 000095 or 000096 or 000097 or 000098BSC Clear and Release Procedure Signalling (See Figure.12)Clear CommandFigure.12 MSC发起的去除操作信令流程图,没有计数器MSBTSBSCMSCClear CommandDeactive SACCHRF Channel Release AcknowledgeClear CompleteChannel

20、ReleaseDisc (L2)Ua (L2)Release IndiacationRF Channel ReleaseFigure.13 呼叫操作,TCH信道激活失败-超时信令流程图,排队强拆不允许MSBTSBSCMSCAssignment FailureBSC整体指配恳求次数 000089小区TCH一切的 - 呼叫 占用恳求次数:008041 、008042BSC整体指配失败一切的-其他缘由: 000091、000098小区 TCH 占用失败次数 008075 、008078Access and Immediate Assignment Procedure Signalling Assig

21、nment Request 小区TCH占用恳求(分情况) 008045 or 008046 or 008047小区TCH占用失败(分情况) 008080 or 008081 or 008082 TCH呼叫信道激活失败-超时次数: 008098 or 008099BSC指配失败次数(分情况) 000099 or 000100BSC Clear and Release Procedure Signalling (See Figure.12)Clear CommandChannel Activation (TCH)Channel Activation NACKOr:“等待信道激活超时启动“等待信道激

22、活定时器小区TCH占用胜利(一切的) 008057Figure.14 呼叫操作,TCH信道方式修正失败-超时信令流程图,排队强拆不允许MSBTSBSCMSCAssignment FailureBSC整体指配恳求次数 000089小区TCH一切的 - 呼叫 占用恳求次数:008041 、008042BSC整体指配失败一切的-其他缘由:000091、000098小区 TCH 占用失败次数 008075 、008078Access and Immediate Assignment Procedure Signalling Assignment Request 小区TCH占用恳求(分情况) 00804

23、5 or 008046 or 008047小区TCH占用失败(分情况) 008080 or 008081 or 008082 TCH方式修正失败-超时次数: 008102 or 008103BSC Clear and Release Procedure Signalling (See Figure.12)Clear CommandMode Modify (TCH)Mode Modify NACKOr:“等待方式修正超时启动“等待方式修正定时器Figure.15 SDCCH占用失败,由于没有资源即BSS缺点,极早指配不允许MSBTSBSCMSCBSC随机接入-立刻指配000008、000012小

24、区SDCCH占用恳求次数008000Channel RequiredChannel Request (RACH)小区立刻指配恳求次数008小区SDCCH占用失败BSS 008015SDCCH Channel No Resource小区SDCCH占用遇全忙008014Immediate Assignment Command Immediate Assignment RejectFigure.16 SDCCH占用失败,由于信道激活失败超时即BSS缺点,极早指配不允许MSBTSBSCMSCChannel Activation (SDCCH)Channel Activation NACKOr:“等待信

25、道激活超时启动“等待信道激活定时器BSC随机接入-立刻指配000008、000012小区SDCCH占用恳求次数008000Channel RequiredChannel Request (RACH)小区立刻指配恳求次数008小区SDCCH占用失败BSS 008015Immediate Assignment Command Immediate Assignment RejectSDCCH信道激活失败-超时 008016 or 008017Figure.17 SDCCH掉话情况,由于衔接失败、错误指示、Abis断链等缘由MSBTSBSCMSCChannel Activation (SDCCH)Ch

26、annel Activation AcknowledgeBSC随机接入-立刻指配000008、000012小区SDCCH-立刻指配恳求008000、008Channel RequiredChannel Request (RACH)小区SDCCH-立刻指配胜利008001、008BSC立刻指配胜利次数000013Immediate Assignment Command Immediate Assignment小区SDCCH胜利(分情况) 008003 or 008004 or 008005 or 008006 or 008007 or 008008 or 008009Establish Indi

27、cation(L3 Info)小区立刻指配胜利(分情况) 008 - (008140)or 008141 - (008142) or 008143 - (008144) or 008145 or 008146 or 008147Connection FailureError IndicationOr:Or:Abis Failure小区SDCCH掉话(分情况) 008018 or 008019 or 008020Figure.18 TCH掉话情况,由于衔接失败、错误指示、Abis断链、A接口和OM失败等原因,不包括排队/强拆情况两个情况:手机在振铃时的掉话如何统计,在切换过程中发生的掉话如何统计

28、切换接入为界?MSBTSBSCMSCCall Assignment Procedure Signalling (See Figure.2 or Figure.4) Handover TCH Channel Seizures Procedure Signalling (See Figure.2 )Handover CompleteConnection FailureError IndicationOr:Or:Abis FailureOr:A FailureOr:Or:O&M Failure小区TCH掉话次数(分情况) 008096 or 008097 or 008104 or 008105 or

29、 008106BSC整体TCH掉话次数000015Connection or Connection AcknowledgeFigure.19 直接重试不允许,呼叫TCH占用排队失败,由于队列满、队列定时器超时缘由。MSBTSBSCMSCBSC整体指配恳求次数000089小区TCH占用恳求一切-呼叫次数: 008041 、008042BSC整体指配失败次数000091、000099小区TCH 占用-呼叫失败次数: 008075、008078Access and Immediate Assignment Procedure Signalling Assignment Request 小区排队-强拆

30、恳求计数器 008051 、008052小区TCH占用遇全忙次数008076小区TCH排队失败(分情况)008086 or 008087Or:Queue FullQueuing TimeOut小区TCH占用失败(分情况) 008080 or 008081 or 008082Assignment Failure小区TCH占用恳求(分情况) 008045 or 008046 or 008047Figure.20 呼叫TCH占用排队失败,由于队列满、队列定时器超时等缘由,直接重试允许。 阐明:在直接重试允许的情况下,不进展BSC及小区TCH 占用失败统计。MSCMSBTSBSCBSC整体指配恳求次数

31、000089Access and Immediate Assignment Procedure Signalling Assignment Request 小区排队-强拆恳求计数器 008051 、008052小区TCH占用遇全忙次数008076Or:Queue FullQueuing TimeOut小区TCH排队超时转直接重试: 008088Directed RetryDirected Retry Procedure Signaling (For example:Figure.22)小区TCH占用恳求一切-呼叫次数: 008041 、008042小区TCH占用恳求(分情况) 008045 o

32、r 008046 or 008047Figure.21 位置更新操作,信令流程图Loaction Updating Request (SCCP CR)Location Updating Accept (SCCP CC)MSBTSBSCMSCDeactive SACCHRF Channel Release AcknowledgeChannel Release (SDCCH)Disc (L2)Ua (L2)Release IndiacationRF Channel ReleaseChannel RequestChannel RequiredBSC随机接入-立刻指配:000008、000012小区S

33、DCCH-立刻指配恳求 008000 、008Channel Activation (SDCCH)Channel Activation AcknowledgeImmediate Assignment CommandImmediate Assignment (AGCH)Establish Indication (Location Updating Request)BSC整体立刻指配胜利: 000013小区SDCCH-立刻指配胜利008001 、008003、008004、008、008、(008140)Location Updating Accept (DTAP)Figure.22 主叫TCH占

34、用遇忙,BSC内部直接重试,排队不允许,省略内部切换计数器MSBTS (Source)BSCBTS (Target)MSCChannel RequestChannel RequiredAssignment RequestDirected RetryBSC整体指配恳求次数000089小区TCH占用恳求次数008041 、008042、008045小区TCH占用遇全忙次数008076Immediate Assignment Procedure Signalling (See Figure.1) 源小区TCH占用一切-直接重试恳求: 008041、008050Measurement ResultMe

35、asurement ReportChannel Activation (TCH)目的小区TCH占用胜利(一切的): 008057Channel Activation ACKHandover Command (SDCCH)Handover AccessHandover Complete源小区直接重试TCH占用胜利: 008066RF Channel ReleaseBSC整体指配及目的小区TCH胜利计数器: Figure.2Assignment Complete目的小区TCH占用恳求(一切的): 008041Figure.23 呼叫主叫TCH占用遇全忙,启动BSC内部直接重试,由于内部切换回绝或等

36、待HO_Ready超时,内部直接重试失败,省略内部切换计数器MSBTS (Source)BSCBTS (Target)MSCChannel RequestChannel RequiredAssignment RequestDirected RetryBSC整体指配恳求次数000089小区TCH占用恳求次数008041 、008042、008045小区TCH占用遇全忙次数008076Immediate Assignment Procedure Signalling (See Figure.1) 源小区TCH占用一切-直接重试恳求: 008041、008050源小区TCH一切-直接重试占用失败:

37、008075、008085BSC整体指配失败-无可用信道: 000091、000097Assignment Failure发送音讯 Intercell_HO_Req并启动定时器WAIT_INTER_HO_READYMeasurement ResultMeasurement ReportOr:Intercell HO RejectWait_Inter_HO_ReadyTimeOut源小区TCH占用失败008075、008078、008080 Figure.24 呼叫主叫TCH占用遇全忙,启动出BSC直接重试,由于出局切换回绝或T7超时,出局直接重试失败,省略出局切换计数器MSBTS BSC(So

38、urce)BSC (Target)MSCChannel RequestChannel RequiredAssignment RequestDirected RetryBSC整体指配恳求次数000089小区TCH占用恳求次数008041 、008042、008045小区TCH占用遇全忙次数008076Immediate Assignment Procedure Signalling (See Figure.1) 源小区TCH占用一切-直接重试恳求: 008041、008050源小区TCH一切-直接重试占用失败: 008075、008085BSC整体指配失败-无可用信道: 000091、00009

39、7Assignment Failure启动 T7 定时器Measurement ResultMeasurement ReportOr:T7 TimeOut源小区TCH占用失败008075、008078、008080Handover RequiredHandover RequestHandover Request RejectFigure.25 BSC内小区间切换胜利流程,由于空间关系,短少计数器见附图一MSCMSBTS (Source)BSCBTS (Target)BSC整体小区间切换尝试000022出小区内部切换尝试:008156Measurement ResultMeasurement R

40、eportChannel Activation (TCH)Channel Activation ACKHandover Command BSC小区间切换次数 000023Handover AlgorithmBSC整体900-1800小区间切换:000024 or 000025切换胜利计数器及后续流程,见 Figure.27源小区BSC内出小区切换恳求次数: 008157切换自临近小区恳求次数: 015000 (目的小区)Intercell HO Request目的小区TCH占用恳求一切-切换: 008041、008048目的小区BSC内入小区切换尝试: 008151目的小区BSC内入小区切换(

41、切自900/1800小区): 008154 or 008155源小区BSC内出小区切换次数(切向900/1800小区): 008159 or 008160Intercell Handover ResponseFigure.26 BSC内小区间切换胜利流程,补充计数器,附图一MSBTS (Source)BSCBTS (Target)Measurement ResultMeasurement ReportChannel Activation (TCH)Channel Activation ACKHandover Command Handover AlgorithmBSC整体切换判决分缘由00006

42、0 or 000061 or 000062 or 000063 or 000064 or 000065 or 000066 or 000067 or 000068 or 000069 or 000070小区切换尝试次数分缘由008163 or 008164 or 008165 or 008166 or 008167 or 008168 or 008169 or 008170 or 008171 or 008172 or 008173 or 008174切换胜利计数器及后续流程,见 Figure.27小区切换接纳电平-质量:008175 or 008176 or 008177 or 008178

43、 or 008179 or 008180; 008181 or 008182 or 008183 or 008184 or 008185 or 008186 or 008187 or 008188Intercell HO RequestMSC切换出临近小区恳求次数: 014000 (源小区)切换出临近小区切换恳求(分缘由):014001 or 014002 or 014003 or 014004 or 014005 or 014006 or 014007 or 014008 or 014009 or 014010 or 014011 or 014012Intercell Handover Re

44、sponse目的小区TCH占用胜利次数(一切的): 008057TCH占用胜利(BSC内入小区切换):008064(目的小区)目的小区BSC内入小区切换次数: 008152Figure.27 BSC内小区间切换胜利流程,后续流程及计数器,附图二MSBTS (Source)BSCBTS (Target)MSCBSC整体小区间切换胜利000026目的小区BSC内入小区切换胜利次数: 008191目的小区BSC内切自900/1800小区胜利次数:008193 or 008194源小区BSC内出小区切向900/1800小区胜利次数: 008197 or 008198源小区BSC内出小区切换胜利次数:

45、0008195BSC整体900 - 1800小区间切换胜利次数:000027 or 000028BSC整体切换胜利分缘由:000071 or 000072 or 000073 or 000074 or 000075 or 000076 or 000077 or 000078 or 000079 or 000080 or 000081Handover CompleteHandover Performed切换自临近小区胜利计数器: 015001 (目的小区)RF Channel ReleaseInternal Clear ProcedureBSC整体层间胜利次数(上层到下层): (000082)B

46、SC整体层间胜利次数(下层到上层): (000083)Handover Access切换出临近小区胜利次数: 014013 (源小区)切换出临近小区切换胜利次数(分缘由):014014 or 014015 or 014016 or 014017 or 014018 or 014019 or 014020 or 014021 or 014022 or 014023 or 014024 or 014025Figure.28 BSC内小区内切换胜利流程,省略呼叫建立流程及相关计数器MSCMSBTSBSCBSC整体小区内切换总数000019Measurement ResultMeasurement R

47、eportCell 小区内切换恳求:008216Cell小区内切换恳求分缘由008218 or 008219 or 008220小区切换尝试次数分缘由: 008163 or 008164 or 008165 or 008166 or 008167 or 008168 or 008169 or 008170 or 008171 or 008172 or 008173 or 008174BSC整体切换判决分缘由:000060 or 000061 or 000062 or 000063 or 000064 or 000065 or 000066 or 000067 or 000068 or 0000

48、69 or 000070Handover AlgorithmHandover Command Handover AccessHandover CompleteHandover DetectionEstablish IndicationBSC整体切换胜利分缘由:000071 or 000072 or 000073 or 000074 or 000075 or 000076 or 000077 or 000078 or 000079 or 000080 or 000081BSC整体小区内切换胜利000020Cell小区内切换胜利次数:008217Handover PerformedRF Chann

49、el ReleaseChannel Activation (TCH)Channel Activation ACK小区TCH占用恳求(一切的): 008041小区TCH占用胜利(一切的): 008057Intercell Handover RequestIntercell Handover ResponseFigure.29 出BSC切换胜利流程,省略呼叫建立流程及相关计数器MSCMSBTSBSCBSC整体出BSC切换尝试000049Measurement ResultMeasurement Report小区BSC间出小区切换恳求: 008158小区切换尝试次数(分缘由): 008163 or

50、008164 or 008165 or 008166 or 008167 or 008168 or 008169 or 008170 or 008171 or 008172 or 008173 or 008174BSC整体切换判决分缘由:000060 or 000061 or 000062 or 000063 or 000064 or 000065 or 000066 or 000067 or 000068 or 000069 or 000070Handover AlgorithmHandover CommandBSC整体出BSC切换(900-1800): 000052 or 000053BS

51、C整体出BSC切换恳求次数(切自900/1800小区): 000050 or 000051Handover RequiredHandover CommandBSC间出小区切换恳求次数(切向900/1800小区): 008161 or 008162出临近小区切换恳求次数 014000出临近小区切换恳求次数(分缘由): 014001 or 014002 or 014003 or 014004 or 014005 or 014006 or 014007 or 014008 or 014009 or 014010 or 014011 or 014012Clear Command出BSC切换胜利计数器及

52、后续流程,见 Figure.30小区切换接纳电平-质量:008175 or 008176 or 008177 or 008178 or 008179 or 008180; 008181 or 008182 or 008183 or 008184 or 008185 or 008186 or 008187 or 008188Figure.30 出BSC切换胜利流程,后续流程及计数器,附图一MSCMSBTSBSCBSC整体出BSC切换胜利000054小区BSC间出小区切换胜利: 008196BSC整体出BSC切换胜利次数(切自900/1800小区):000055 or 000056出临近小区切换胜

53、利次数 014013出临近小区切换胜利次数(分缘由):014014 or 014015 or 014016 or 014017 or 014018 or 014019 or 014020 or 014021 or 014022 or 014023 or 014024 or 014025Clear Command小区BSC间出小区切换胜利(切向900/1800小区):008199 or 008200BSC整体切换胜利分缘由:000071 or 000072 or 000073 or 000074 or 000075 or 000076 or 000077 or 000078 or 000079

54、or 000080 or 000081BSC Clear and Release Procedure Signalling (See Figure.12)Figure.31 入BSC切换胜利流程,省略呼叫建立流程及相关计数器MSCMSBTSBSCBSC整体入BSC切换恳求000031小区BSC间入小区切换恳求: 008153BSC整体入BSC切换恳求(切向900/1800小区):000032 or 000033切换自临近小区恳求次数 015000Handover Request小区TCH占用恳求次数(一切的- BSC间入小区切换):008041、008049小区TCH占用胜利次数(一切的):

55、008057Channel Activation (TCH)Channel Activation ACK小区TCH占用胜利次数(BSC间入小区): 008065Handover Request ACKHandover AccessHandover CompleteHandover DetectionEstablish IndicationHandover CompleteBSC整体入BSC切换胜利000034BSC整体入BSC切换胜利(切向900/1800小区):000035 or 000036小区BSC间入小区切换胜利次数: 008192切换自临近小区胜利次数 015001Figure.32

56、-1 BSC内入小区切换失败流程,无可用信道情况,阐明: 本图仅包括BSC内小区间切换恳求计数器,失败计数器及后续流程见Figure.32-2MSCMSBTS (Source)BSCBTS (Target)BSC整体小区间切换尝试000022出小区内部切换尝试:008156Measurement ResultMeasurement ReportHandover AlgorithmBSC整体900-1800小区间切换:000024 or 000025切换自临近小区恳求次数: 015000 (目的小区)Intercell HO Request目的小区TCH占用恳求一切-切换: 008041、008

57、048目的小区BSC内入小区切换尝试: 008151目的小区BSC内入小区切换(切自900/1800小区): 008154 or 008155源小区BSC内出小区切换次数(切向900/1800小区): 008159 or 008160BSC整体切换判决分缘由000060 or 000061 or 000062 or 000063 or 000064 or 000065 or 000066 or 000067 or 000068 or 000069 or 000070小区切换尝试次数分缘由008163 or 008164 or 008165 or 008166 or 008167 or 0081

58、68 or 008169 or 008170 or 008171 or 008172 or 008173 or 008174源小区切换接纳电平-质量008175 or 008176 or 008177 or 008178 or 008179 or 008180; 008181 or 008182 or 008183 or 008184 or 008185 or 008186 or 008187 or 008188切换出临近小区恳求次数: 014000 (源小区)切换出临近小区切换恳求(分缘由):014001 or 014002 or 014003 or 014004 or 014005 or

59、014006 or 014007 or 014008 or 014009 or 014010 or 014011 or 014012Figure.32-2 BSC内入小区切换失败流程,无可用信道,切换恳求计数器见Figure.32-1MSCMSBTS (Source)BSCBTS (Target)源小区BSC内出小区切换失败次数: 008205Apply_A_Radio_Channel( )除胜利分配外其他一切情况源小区BSC内小区间切换失败(其他缘由): 008212切换自临近小区失败(由于拥塞): 015002 (目的小区)目的小区TCH占用失败(一切的-BSC内入小区切换): 00807

60、5、008083目的小区BSC内入小区切换失败: 008201目的小区BSC内入小区切换失败(无可用信道): 008202Intercell Handover Reject切换出临近小区失败(由于拥塞): 014026 (源小区)Figure.33 BSC内入小区切换失败流程,BSS失败,信道激活否认应对情况,图一阐明: 切换恳求流程及计数器省略,详见Figure.32-1MSCMSBTS (Source)BSCBTS (Target)源小区BSC内出小区切换失败次数: 008205Handle_Intercell_HO( ) 胜利分配TCH信道源小区BSC内小区间切换失败(其他缘由): 00

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