2022年KPI指標(biāo)處理流程與參數(shù)

1、KPI指標(biāo)分析與處理 2005年5月切換成功率公式1切換成功率公式2KPI指標(biāo)公式KPI指標(biāo)公式無(wú)線(xiàn)接通率公式1無(wú)線(xiàn)接通率公式2KPI指標(biāo)公式全網(wǎng)掉話(huà)率公式1全網(wǎng)掉話(huà)率公式2KPI指標(biāo)監(jiān)測(cè)OMCR自定義PM監(jiān)測(cè)模板 觀察全網(wǎng)KPI指標(biāo)情況，收集并排序小區(qū)級(jí)KPI指標(biāo)，分析掉話(huà)最高或擁塞最嚴(yán)重的的510個(gè)小區(qū)，定位故障原因，派發(fā)排障工單。利用GETPM工具利用MotoANS系統(tǒng)。檢查掉話(huà)小區(qū)是否連接有直放、功放等設(shè)備檢查掉話(huà)在該小區(qū)的載頻上分布情況檢查掉話(huà)小區(qū)的Per Carrier統(tǒng)計(jì)項(xiàng)（Path_balance、BER、IOI等） PB2或奇偶值 IOI5或單個(gè)載頻明顯偏高利用Perf工具過(guò)

2、濾Ma_fail_from_ms高的載頻檢查掉話(huà)小區(qū)的周?chē)^(qū)是否存在斷站情況檢查掉話(huà)小區(qū)周?chē)臼欠駬砣麌?yán)重高掉話(huà)小區(qū)處理思路RF掉話(huà)小區(qū)內(nèi)切換掉話(huà)檢查掉話(huà)小區(qū)是否連接有直放、功放等設(shè)備檢查掉話(huà)小區(qū)的Per Carrier統(tǒng)計(jì)項(xiàng)（Path_balance、BER、IOI等）利用Perf工具過(guò)濾Ma_fail_from_ms高的載頻檢查掉話(huà)小區(qū)的周?chē)^(qū)是否存在斷站情況檢查掉話(huà)小區(qū)周?chē)臼欠駬砣麌?yán)重檢查切換參數(shù)設(shè)置是否合理高掉話(huà)小區(qū)處理思路切換掉話(huà)高掉話(huà)小區(qū)處理思路切換掉話(huà)BSC內(nèi)部切換掉話(huà)檢查掉話(huà)小區(qū)的Per Carrier統(tǒng)計(jì)項(xiàng)（Path_balance、BER、IOI等）統(tǒng)計(jì)其鄰區(qū)的I

3、N_INTRA_BSS_HO_RETURN值檢查上述統(tǒng)計(jì)項(xiàng)（切入返回）高的小區(qū)的Per Carrier統(tǒng)計(jì)項(xiàng)。打開(kāi)Per Neighbour的統(tǒng)計(jì)項(xiàng)，檢查切向哪個(gè)鄰區(qū)的成功率較低檢查掉話(huà)小區(qū)的周?chē)^(qū)是否存在斷站情況檢查掉話(huà)小區(qū)周?chē)臼欠駬砣麌?yán)重檢查切換參數(shù)設(shè)置是否合理和周?chē)^(qū)有無(wú)同BCCH、BSIC的小區(qū) BSC之間切換掉話(huà)檢查掉話(huà)小區(qū)的Per Carrier統(tǒng)計(jì)項(xiàng)（Path_balance、BER、IOI等）檢查鄰區(qū)切換信息如LAC、Cell ID、BCCH、BSIC等設(shè)置是否有誤統(tǒng)計(jì)其鄰區(qū)的IN_INTRA_BSS_HO_RETURN值檢查上述統(tǒng)計(jì)項(xiàng)（切入返回）高的小區(qū)的Per Ca

4、rrier統(tǒng)計(jì)項(xiàng)。打開(kāi)Per Neighbour的統(tǒng)計(jì)項(xiàng)，檢查切向哪個(gè)鄰區(qū)的成功率較低檢查掉話(huà)小區(qū)的周?chē)^(qū)是否存在斷站情況檢查掉話(huà)小區(qū)周?chē)臼欠駬砣麌?yán)重檢查切換參數(shù)設(shè)置是否合理和周?chē)^(qū)有無(wú)同BCCH、BSIC的小區(qū)高掉話(huà)小區(qū)處理思路切換掉話(huà)RF掉話(huà)相關(guān)參數(shù)上行（Up link) LINK_FAIL：不能解碼減1，恢復(fù)加2；變?yōu)?，停止發(fā)射 LINK_ABOUT_TO FAIL：確定BTS、MS何時(shí)滿(mǎn)功率發(fā)射 T3109：釋放TCH參數(shù) 下行（Down link) RADIO_LINK_TIMEOUT ：不能解碼減1，恢復(fù)加2；超時(shí)MS停止發(fā)射 T3109必須大于Radio_link_ti

5、meout，防止兩個(gè)手機(jī)同時(shí)占用同一個(gè)TCH信道產(chǎn)生串話(huà)現(xiàn)象FULL_PWR_RF_LOSS設(shè)置為1 切換類(lèi)型和優(yōu)先級(jí)別Uplink qualityUplink interferenceDownlink qualityDownlink interferenceUplink rxlevDownlink rxlevDistancePBGT由高到低切換參數(shù)設(shè)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表示多少個(gè)采樣點(diǎn)進(jìn)行平均表示保留多少個(gè)平均值A(chǔ)veraging :注意:N=Hreqt Hreqave*Hreqt=32切換參數(shù)設(shè)置averagingHreqave/Hreqt的設(shè)置參數(shù)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 參數(shù)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切換參數(shù)設(shè)置Rxqual下列參數(shù)設(shè)置決定是否做RXqual切換：ul_rxqual_ho_allowed : 上行RXqual切換控制開(kāi)關(guān)dl_rxqual_ho_allowed : 下行RXqual切換控制開(kāi)關(guān)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：滿(mǎn)足切換門(mén)限的測(cè)量報(bào)告數(shù)目 （經(jīng)過(guò)平均過(guò)的）大于等于P

8、6 l_rxqual_dl_h： RXqual切換控制門(mén)限 l_rxqual_ul_h：命令格式 chg_element decision_1_n1 切換參數(shù)設(shè)置Interference下列參數(shù)設(shè)置決定是否做RXqual切換：.interfer_ho_allowed : 切換開(kāi)關(guān)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 切換門(mén)限 interfer_ho_allowed 開(kāi)關(guān)參數(shù) intra_cell_handover_allowed 開(kāi)關(guān)參數(shù)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 判決條件 u_rxlev_ul_ih/u_relev_dl_ih l_rxqual_ul_h/u_rxqual_dl_h 切換門(mén)限 hop_count 切換次數(shù) hop_count_timer 時(shí)間（SACCH）切換參數(shù)設(shè)置Intracell

11、切換參數(shù)設(shè)置PBGT pwr_handover_allowed 開(kāi)關(guān)參數(shù) Use_neighbor_pbgt_hreqave1=use hreqave in add_nei0=use hreqave in add_cell PBGT(n) ho_margin_cell 切換門(mén)限切換參數(shù)設(shè)置擁塞釋放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切換參數(shù)設(shè)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功率控制參數(shù)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功率控制步長(zhǎng)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