2022年KPI指标处理流程与参数

1、KPI指标分析与处理 2005年5月切换成功率公式1切换成功率公式2KPI指标公式KPI指标公式无线接通率公式1无线接通率公式2KPI指标公式全网掉话率公式1全网掉话率公式2KPI指标监测OMCR自定义PM监测模板 观察全网KPI指标情况，收集并排序小区级KPI指标，分析掉话最高或拥塞最严重的的510个小区，定位故障原因，派发排障工单。利用GETPM工具利用MotoANS系统。检查掉话小区是否连接有直放、功放等设备检查掉话在该小区的载频上分布情况检查掉话小区的Per Carrier统计项（Path_balance、BER、IOI等） PB2或奇偶值 IOI5或单个载频明显偏高利用Perf工具过

2、滤Ma_fail_from_ms高的载频检查掉话小区的周围小区是否存在断站情况检查掉话小区周围基站是否拥塞严重高掉话小区处理思路RF掉话小区内切换掉话检查掉话小区是否连接有直放、功放等设备检查掉话小区的Per Carrier统计项（Path_balance、BER、IOI等）利用Perf工具过滤Ma_fail_from_ms高的载频检查掉话小区的周围小区是否存在断站情况检查掉话小区周围基站是否拥塞严重检查切换参数设置是否合理高掉话小区处理思路切换掉话高掉话小区处理思路切换掉话BSC内部切换掉话检查掉话小区的Per Carrier统计项（Path_balance、BER、IOI等）统计其邻区的I

3、N_INTRA_BSS_HO_RETURN值检查上述统计项（切入返回）高的小区的Per Carrier统计项。打开Per Neighbour的统计项，检查切向哪个邻区的成功率较低检查掉话小区的周围小区是否存在断站情况检查掉话小区周围基站是否拥塞严重检查切换参数设置是否合理和周围小区有无同BCCH、BSIC的小区 BSC之间切换掉话检查掉话小区的Per Carrier统计项（Path_balance、BER、IOI等）检查邻区切换信息如LAC、Cell ID、BCCH、BSIC等设置是否有误统计其邻区的IN_INTRA_BSS_HO_RETURN值检查上述统计项（切入返回）高的小区的Per Ca

4、rrier统计项。打开Per Neighbour的统计项，检查切向哪个邻区的成功率较低检查掉话小区的周围小区是否存在断站情况检查掉话小区周围基站是否拥塞严重检查切换参数设置是否合理和周围小区有无同BCCH、BSIC的小区高掉话小区处理思路切换掉话RF掉话相关参数上行（Up link) LINK_FAIL：不能解码减1，恢复加2；变为0，停止发射 LINK_ABOUT_TO FAIL：确定BTS、MS何时满功率发射 T3109：释放TCH参数 下行（Down link) RADIO_LINK_TIMEOUT ：不能解码减1，恢复加2；超时MS停止发射 T3109必须大于Radio_link_ti

5、meout，防止两个手机同时占用同一个TCH信道产生串话现象FULL_PWR_RF_LOSS设置为1 切换类型和优先级别Uplink qualityUplink interferenceDownlink qualityDownlink interferenceUplink rxlevDownlink rxlevDistancePBGT由高到低切换参数设置averagingHreqave = 3Hreqt = 3-85-88-88-91-91-89-88-86-87-96-95-94-94-92-91-91N = 3P = 2-90.3-88-86-88.3-87-91-89.3-87.7-91

6、-90.3-88-91.7表示多少个采样点进行平均表示保留多少个平均值Averaging :注意:N=Hreqt Hreqave*Hreqt=32切换参数设置averagingHreqave/Hreqt的设置参数修改命令格式chg_cell_element rxqual_dl_ho, 0 0 4 6 0 0 0 LAC CellIDEnter hreqave: 4Enter hreqt: 3 Enter w_qual: 1 参数查看命令格式disp_element rxqual_dl_ho, 0 37 cell_number =4 6 0 0 0 31122 4153rxqual_dl_ho0

7、 = alg_num: 0 alg_data: 4 3 0切换参数设置Rxqual下列参数设置决定是否做RXqual切换：ul_rxqual_ho_allowed : 上行RXqual切换控制开关dl_rxqual_ho_allowed : 下行RXqual切换控制开关chg_cell_element rxqual_dl_ho, 0 0 4 6 0 0 0 LAC CELLIDchg_cell_element rxqual_ul_ho, 0 0 4 6 0 0 0 LAC CELLIDdecision_1_n6/decision_1_p6：满足切换门限的测量报告数目 （经过平均过的）大于等于P

8、6 l_rxqual_dl_h： RXqual切换控制门限 l_rxqual_ul_h：命令格式 chg_element decision_1_n1 切换参数设置Interference下列参数设置决定是否做RXqual切换：.interfer_ho_allowed : 切换开关chg_cell_element rxlev_ul_ho, 0 0 4 6 0 0 0 LAC CELLIDchg_cell_element rxlev_dl_ho, 0 0 4 6 0 0 0 LAC CELLID N7 must be greater than or equal to P7. N7 must be

9、less than or equal to the hreqt value set using chg_cell_element rxlev_ul_ho command for rxlev_dl_ho andrxlev_ul_ho.decision_1_n7/decision_1_p7thresholds: u_rxlev_dl_ih/u_rxlev_ul_ih 切换门限 interfer_ho_allowed 开关参数 intra_cell_handover_allowed 开关参数chg_cell_element rxqual_ul_ho, 0 0 4 6 0 0 0 LAC CELLID

10、 chg_cell_element rxqual_dl_ho, 0 0 4 6 0 0 0 LAC CELLID chg_cell_element rxlev_ul_ho, 0 0 4 6 0 0 0 LAC CELLID chg_cell_element rxlev_dl_ho, 0 0 4 6 0 0 0 LAC CELLID n6/p6 n7/p7 判决条件 u_rxlev_ul_ih/u_relev_dl_ih l_rxqual_ul_h/u_rxqual_dl_h 切换门限 hop_count 切换次数 hop_count_timer 时间（SACCH）切换参数设置Intracell

11、切换参数设置PBGT pwr_handover_allowed 开关参数 Use_neighbor_pbgt_hreqave1=use hreqave in add_nei0=use hreqave in add_cell PBGT(n) ho_margin_cell 切换门限切换参数设置拥塞释放ho_exist_congestmb_tch_cong_threscongest_ho_margin bounce_protect_margin bounce_protect_cong_tmr If there is no free TCH available when an assignment r

12、equest is coming in, it is possible to handover existing calls to neighbor cells and free TCHs for new coming callsIf ho_exist_congest = 1, handover as many calls as the number of queued assignment requestsIf ho_exist_congest = 2, handover as many calls as that meet congestion relief criteria切换参数设置

13、其它en_incom_ho enable incoming handoverinter_cell_handover_allowedms_distance_allowed : enable distance handover decision_1_n8/decision_1_p8 thresholds: ms_max_range the ms_max_range is also used by RRSM to reject Channel Requests from distant mobiles. This feature is enabled by chg_element poor_init

14、ial_assignmentbounce_protect_margin bounce_protect_qual_tmr功率控制RXqualThe following parameters will determine if the power control has to be done due to rxqual.for power increase: decision_1_n3/decision_1_p3for power decrease: decision_1_n4/decision_1_p4uplink thresholds: l_rxqual_ul_p/u_rxqual_ul_pd

15、ownlink thresholds:l_rxqual_dl_p/u_rxqual_dl_p功率控制RxlevThe following parameters will determine if the power control has to be done due to rxlev.for power increase: decision_1_n1/decision_1_p1for power decrease: decision_1_n2/decision_1_p2uplink thresholds: l_rxlev_ul_p/u_rxlev_ul_pdownlink threshold

16、s: l_rxlev_dl_p/u_rxlev_dl_p功率控制参数MSms_power_control_allowedenable/disable MS power control, if disabled, the MS transmits in max_tx_ms.ms_p_con_interval (0-31 , 1 step= 2 SACCH multiframes,default=2)the minimum time in BSS interval between successive power control commands.ms_p_con_ack (0-31 , 1 st

17、ep= 2 SACCH multiframes,default=2) when the MS is sent a new power control message, it will change transmit power and then echoes an ack message. The ms_p_con_interval will only be started when ack has been received or this timer has expired.功率控制BTSbts_p_con_intervalbts_p_con_ackfor BTS power contro

18、l, same as the previous one.bts_power_control_allowedif disable, the BTS transmits in max_tx_bts功率控制步长pow_inc_step_size_ulpow_inc_step_size_dlsets the step size for uplink and downlink power increase in dBpow_red_step_size_ulpow_red_step_size_dlsets the step size for uplink and downlink power decrease in dB功率控制rapid pwr downrapid_pwr_downenable/disable