TDLTE网络性能KPI切换成功率优化手册复习课程.docx

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TDLTE网络性能KPI切换成功率优化手册复习课程.docx

TDLTE网络性能KPI切换成功率优化手册复习课程

TD-LTE网络性能KPI(切换成功率)优化手册

1切换成功率定义说明

1.1指标公式

指标名称

集团规范公式

NSN映射公式

切换成功率

(eNB间S1切换出成功次数+eNB间X2切换出成功次数+eNB内切换出成功次数)/(eNB间S1切换出请求次数+eNB间X2切换出请求次数+eNB内切换出请求次数)*100%

100*sum(M8009C7+M8014C7+M8014C19)/sum(M8009C6+M8014C0+M8014C14)

1.2COUNTER定义

1.2.1集团规范定义

1、eNB间S1切换出请求次数:

源eNB向MME发送的“切换请求”消息(HANDOVERREQUIRED)(3GPPTS36.413),指示eNB间通过S1接口的切换出准备请求。

向不同小区发送的同一切换准备请求,需要重复统计。

2、eNB间S1切换出成功次数:

源eNB收到MME发送的“UE上下文释放命令”消息(UECONTEXTRELEASECOMMAND)(3GPPTS36.413),指示eNB间通过S1接口的切换出执行成功。

3、eNB间X2切换出请求次数:

源eNB向目标eNB发送的“切换请求”消息(HANDOVERREQUEST)(3GPPTS36.423),指示eNB间通过X2接口的切换出准备请求。

向不同小区发送的同一切换准备请求,重复统计。

4、eNB间X2切换出成功次数:

源eNB收到目标eNB发送的“UE上下文释放”消息(UECONTEXTRELEASE)(3GPPTS36.423),指示eNB间通过X2接口的切换出执行成功。

5、eNB内切换出请求次数:

eNB向UE发送携带mobilityControlInfo的“RRC连接重配置”消息(RRCConnectionReconfiguration),指示eNB内小区间切换出请求。

(3GPPTS36.331)

6、eNB内切换出成功次数:

eNB收到UE发送的“RRC连接重配置完成”消息(RRCConnectionReconfigurationComplete),指示eNB内小区间切换出成功。

(3GPPTS36.331)

1.2.2NSN映射

1、eNB间S1切换出请求次数:

M8014C14:

INTER_ENB_S1_HO_PREP,ThenumberofIntereNBS1-basedHandoverpreparations;

2、eNB间S1切换出成功次数:

M8014C19:

INTER_ENB_S1_HO_SUCC,ThenumberofsuccessfulIntereNBS1-basedHandovercompletions;

3、eNB间X2切换出请求次数:

M8014C0:

INTER_ENB_HO_PREP,ThenumberofInter-eNBX2-basedHandoverpreparations.TheMobilitymanagement(MM)receivesalistwithtargetcellsfromtheRRManddecidestostartanInter-eNBX2-basedHandover;

4、eNB间X2切换出成功次数:

M8014C7:

SUCC_INTER_ENB_HO,ThenumberofsuccessfulInter-eNBX2-basedHandovercompletions;

5、eNB内切换出请求次数:

M8009C6:

ATT_INTRA_ENB_HO,ThenumberofIntra-eNBHandoverattempts;

6、eNB内切换出成功次数:

M8009C7:

SUCC_INTRA_ENB_HO,ThenumberofsuccessfulIntra-eNBHandovercompletions;

1.3信令统计点

1.3.1eNB间S1切换

Counter

CounterID

NetActname

eNB间S1切换请求次数

M8014C14

INTER_ENB_S1_HO_PREP

eNB间S1切换目标小区准备失败次数

M8014C15

INTER_S1_HO_PREP_FAIL_TIME

M8014C16

INTER_S1_HO_PREP_FAIL_NORR

M8014C17

INTER_S1_HO_PREP_FAIL_OTHER

eNB间S1切换尝试次数

M8014C18

INTER_ENB_S1_HO_ATT

eNB间S1切换成功次数

M8014C19

INTER_ENB_S1_HO_SUCC

eNB间S1切换失败次数

M8014C20

INTER_ENB_S1_HO_FAIL

统计点关系:

M8014C14=M8014C15+M8014C16+M8014C17+M8014C18

M8014C18=M8014C19+M8014C20(注:

现网实际数据对不上)

1、M8014C14:

INTER_ENB_S1_HO_PREP

Updated:

ThiscounterisupdatedfollowingthetransmissionofanS1AP:

HANDOVERREQUIREDmessagefromthesourceeNBtotheMMEifthismessagepreparesanIntereNBHandover.

2、M8014C15:

INTER_S1_HO_PREP_FAIL_TIME

Updated:

ThiscounterisupdatedattheexpiryoftheguardingtimerTS1RELOCprepifthetimerwasstartedbecauseofthepreparationofanIntereNBHandover.

3、M8014C16:

INTER_S1_HO_PREP_FAIL_NORR

Updated:

ThiscounterisupdatedfollowingthereceptionofanS1AP:

HANDOVERPREPARATIONFAILUREmessagefromMMEtosourceeNBwithcause"NoRadioResourcesAvailableinTargetCell"ifthismessageisreceivedinresponsetothepreparationofanIntereNBHandover.

4、M8014C17:

INTER_S1_HO_PREP_FAIL_OTHER

Updated:

ThenumberoffailedIntereNBS1-basedHandoverpreparationsduetothereceptionofanS1AP:

HANDOVERPREPARATIONFAILUREmessagewithacauseotherthan"NoRadioResourcesAvailableinTargetCell."

5、M8014C18:

INTER_ENB_S1_HO_ATT

Updated:

ThiscounterisupdatedfollowingthereceptionofanS1AP:

HANDOVERCOMMANDmessagefromtheMMEtothesourceeNBincasethatthismessageisreceivedinresponsetothepreparationofanIntereNBHandover.

6、M8014C19:

INTER_ENB_S1_HO_SUCC

Updated:

ThiscounterisupdatedfollowingthereceptionofanS1AP:

UECONTEXTRELEASECOMMANDmessagefromtheMMEtothesourceeNBwiththecausevalueRadioNetworkLayer(SuccessfulHandover)incasethatthismessageisreceivedforanIntereNBHandover.

7、M8014C20:

INTER_ENB_S1_HO_FAIL

Updated:

ThiscounterisupdatedfollowingtheexpiryoftheguardingtimerTS1RELOCoverallincasethatthistimerwasstartedbecauseofanIntereNBHandover.

1.3.2eNB间X2切换

Counter

CounterID

NetActname

eNB间X2切换请求次数

M8014C0

INTER_ENB_HO_PREP

eNB间X2切换目标小区准备失败次数

M8014C2

FAIL_ENB_HO_PREP_TIME

M8014C3

FAIL_ENB_HO_PREP_AC

M8014C5

FAIL_ENB_HO_PREP_OTHER

eNB间X2切换尝试次数

M8014C6

ATT_INTER_ENB_HO

eNB间X2切换成功次数

M8014C7

SUCC_INTER_ENB_HO

eNB间X2切换失败次数

M8014C8

INTER_ENB_HO_FAIL

统计点关系:

M8014C0=M8014C2+M8014C3+M8014C5+M8014C6

M8014C6=M8014C7+M8014C8(注:

现网实际数据对不上)

1、M8014C0:

INTER_ENB_HO_PREP

Updated:

ThiscounterisupdatedfollowingthetransmissionofanX2AP:

HandoverRequesttothetargeteNB.

2、M8014C2:

FAIL_ENB_HO_PREP_TIME

Updated:

ThiscounterisupdatedfollowingtheexpiryoftheguardingtimerTX2RELOCprep.

3、M8014C3:

FAIL_ENB_HO_PREP_AC

Updated:

ThiscounterisupdatedfollowingthereceptionofanX2AP:

HandoverPreparationFailuremessagefromthetargeteNB.

4、M8014C5:

FAIL_ENB_HO_PREP_OTHER

Updated:

Thecounterisupdatedifthefailuredetecteddoesnotmatchanyotherfailurecounter.

5、M8014C6:

ATT_INTER_ENB_HO

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