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1、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 eNB 向 MME 发送的“切换请求”消息(HA
2、NDOVER 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。向不同小区发送的同一切换准备请
3、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 (RRCConnectionReconfigu
4、rationComplete),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
5、 : INTER_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 Hando
6、ver completions；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
7、标小区准备 失败次数M8014C15INTER_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 =M8014C18 =M8014C15 + M8014C16 + M8014C17 + M8014C18M
8、8014C19 + M8014C20 （注：现网实际数据对不上）ENBS1HOPREP1、M8014C14： INTERUpdated: 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 up
9、dated at the expiry 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 aS1AP: HANDOVER PREPARATION FAILURE message from MME to source eNB wit
10、h cause No Radio 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_OTHERthe reception of anSlAP: than No Radio ResourcesUpdated: The number of failed Inter eNB S1-based Handover preparations due to
11、 HANDOVER PREPARATION FAILUREmessage with a cause other Available in Target Cell.Kev Dh日绍s:M9Q14C15： Fail典 irnr rJodB si no preparations du# to timtr: ogT31RELOCpfpMBD14C16： Failed mt*r NtdB S1 MO preparations dut to urgtc frNodtB Adinkslon controlMBD14C17： Fail。mt*r NodE S1 HO preparations du to ot
12、hr reason5、 M8014C18： INTER_ENB_S1_HO_ATTUpdated: This counter is updated following the reception of aS1AP: HANDOVER COMMAND message from the MME to the source eNB in case that this message is received in response to the preparation of an Inter eNB Handover.6、 M8014C19： INTER_ENB_S1_HO_SUCCUpdated:
13、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 Handover.7、M8014C20： INTER_ENB_S1_HO_FAILUpdated: This c
14、ounter 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M8014C2FAIL_ENB_HO_PREP_TIME失败次数M8014C3FAIL_ENB_HO_PREP_ACM
15、8014C5FAIL_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_FAILMS014C8M8014C7HO preparation attemptSuccessful/failed Suecessful/failed HO preparation HO execution统计点关系：M8014C0 =M8014C6 =M8014C2 + M8014C3 + M8014C5 + M8014C6M8014C7 + M8014C8 （注：现网实际数据对不上）1、 M8014C0： INTERENBHOPREPUpdated: This counter is updated following the transmission of an X2AP: Handover Request to the target eNB.Target eNBDatadL2 UL AlltK&tiortardaver
