TDLTE网络性能KPI切换成功率优化手册复习课程.docx

1、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)1.2 COUNTER定义1.2.1 集团规范定义1、eNB间S1切换出请求次数： 源e

2、NB向MME发送的“切换请求”消息（HANDOVER REQUIRED）（3GPP TS 36.413），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（UE CONTEXT RELEASE COMMAND）（3GPP TS 36.413），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（HANDOVER REQUEST）（3GPP TS 36.423），指示eNB间通过X2接口的切换出准备请求。向不

3、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（UE CONTEXT RELEASE）（3GPP TS 36.423），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。（3GPP TS 36.331）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（RRCConnectionReconfigur

4、ationComplete），指示eNB内小区间切换出成功。（3GPP TS 36.331）1.2.2 NSN映射1、eNB间S1切换出请求次数： M8014C14：INTER_ENB_S1_HO_PREP，The number of Inter eNB S1-based Handover preparations；2、eNB间S1切换出成功次数：M8014C19：INTER_ENB_S1_HO_SUCC，The number of successful Inter eNB S1-based Handover completions；3、eNB间X2切换出请求次数：M8014C0：INTER_

5、ENB_HO_PREP，The number of Inter-eNB X2-based Handover preparations. The Mobility management (MM) receives a list with target cells from the RRM and decides to start an Inter-eNB X2-based Handover；4、eNB间X2切换出成功次数：M8014C7：SUCC_INTER_ENB_HO，The number of successful Inter-eNB X2-based Handover completio

6、ns；5、eNB内切换出请求次数：M8009C6：ATT_INTRA_ENB_HO，The number of Intra-eNB Handover attempts；6、eNB内切换出成功次数：M8009C7：SUCC_INTRA_ENB_HO，The number of successful Intra-eNB Handover completions；1.3 信令统计点1.3.1 eNB间S1切换CounterCounter IDNetAct nameeNB间S1切换请求次数M8014C14INTER_ENB_S1_HO_PREPeNB间S1切换目标小区准备失败次数M8014C15INT

7、ER_S1_HO_PREP_FAIL_TIMEM8014C16INTER_S1_HO_PREP_FAIL_NORRM8014C17INTER_S1_HO_PREP_FAIL_OTHEReNB间S1切换尝试次数M8014C18INTER_ENB_S1_HO_ATTeNB间S1切换成功次数M8014C19INTER_ENB_S1_HO_SUCCeNB间S1切换失败次数M8014C20INTER_ENB_S1_HO_FAIL统计点关系：M8014C14 = M8014C15 + M8014C16 + M8014C17 + M8014C18 M8014C18 = M8014C19 + M8014C20

8、（注：现网实际数据对不上）1、M8014C14：INTER_ENB_S1_HO_PREPUpdated: This counter is updated following the transmission of an S1AP:HANDOVER REQUIRED message from the source eNB to the MME if this message prepares an Inter eNB Handover.2、M8014C15：INTER_S1_HO_PREP_FAIL_TIMEUpdated: This counter is updated at the expi

9、ry of the guarding timer TS1RELOCprep if the timer was started because of the preparation of an Inter eNB Handover.3、M8014C16：INTER_S1_HO_PREP_FAIL_NORRUpdated: This counter is updated following the reception of an S1AP: HANDOVER PREPARATION FAILURE message from MME to source eNB with cause No Radio

10、 Resources Available in Target Cell if this message is received in response to the preparation of an Inter eNB Handover.4、M8014C17：INTER_S1_HO_PREP_FAIL_OTHERUpdated: The number of failed Inter eNB S1-based Handover preparations due to the reception of an S1AP: HANDOVER PREPARATION FAILURE message w

11、ith a cause other than No Radio Resources Available in Target Cell.5、M8014C18：INTER_ENB_S1_HO_ATTUpdated: This counter is updated following the reception of an S1AP: HANDOVER COMMAND message from the MME to the source eNB in case that this message is received in response to the preparation of an Int

12、er eNB Handover.6、M8014C19：INTER_ENB_S1_HO_SUCCUpdated: This counter is updated following the reception of an S1AP: UE CONTEXT RELEASE COMMAND message from the MME to the source eNB with the cause value Radio Network Layer (Successful Handover) in case that this message is received for an Inter eNB

13、Handover.7、M8014C20：INTER_ENB_S1_HO_FAILUpdated: This counter is updated following the expiry of the guarding timer TS1RELOCoverall in case that this timer was started because of an Inter eNB Handover.1.3.2 eNB间X2切换CounterCounter IDNetAct nameeNB间X2切换请求次数M8014C0INTER_ENB_HO_PREPeNB间X2切换目标小区准备失败次数M80

14、14C2FAIL_ENB_HO_PREP_TIMEM8014C3FAIL_ENB_HO_PREP_ACM8014C5FAIL_ENB_HO_PREP_OTHEReNB间X2切换尝试次数M8014C6ATT_INTER_ENB_HOeNB间X2切换成功次数M8014C7SUCC_INTER_ENB_HOeNB间X2切换失败次数M8014C8INTER_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

15、_HO_PREPUpdated: This counter is updated following the transmission of an X2AP: Handover Request to the target eNB.2、M8014C2：FAIL_ENB_HO_PREP_TIMEUpdated: This counter is updated following the expiry of the guarding timer TX2RELOCprep.3、M8014C3：FAIL_ENB_HO_PREP_ACUpdated: This counter is updated following the reception of an X2AP: Handover Preparation Failure message from the target eNB.4、M8014C5：FAIL_ENB_HO_PREP_OTHERUpdated: The counter is updated if the failure detected does not match any other failure counter.5、M8014C6：ATT_INTER_ENB_HO