Cssr&Cdr Guideline

RRC Setup

Counter Sub Counter

VS.RRC.Rej.Power.Cong

VS.RRC.Rej.UL.CE.Cong

VS.RRC.Rej.DL.CE.Cong

VS.RRC.Rej.Code.Cong

VS.RRC.Rej.ULIUBBandCong

VS.RRC.Rej.DLIUBBandCong

VS.RRC.Rej.RL.Fail

RRC.FailConnEstab.Cong

VS.RRC.Rej.AAL2.Fail

RRC.FailConnEstab.NoRepl

y

CS RAB SetupCounter Level1 Sub Counter Level2 Sub CounterLevel3

PS RAB SetupCounter Level1 Sub Counter Level2 Sub Counter Level3

VS.RAB.FailEstPs.Power.Cong

VS.RAB.FailEstPs.Code.Cong

VS.RAB.FailEstab.PS.DLIUBBand.Cong

VS.RAB.FailEstab.PS.ULIUBBand.Cong

VS.RAB.FailEstPs.ULCE.Cong

VS.RAB.FailEstPs.DLCE.Cong

VS.RAB.FailEstabPS.Unsp.Other

CS Call DropCounter Level1 Sub Counter Level2

VS.RAB.Loss.CS.RF.RLCRst

VS.RAB.Loss.CS.RF.ULSync

RRC.FailConnEstab.Cong

VS.RRC.FailConnEstab

VS.RAB.FailEstabCS.RNL VS.RAB.FailEstCS.Unsp VS.RAB.FailEstabCS.Cong

VS.RAB.FailEstabCS.Unsp.Other

VS.RAB.FailEstCS.RIPFail

VS.RAB.FailEstCS.Relo

VS.RAB.FailEstabCS.RNL.Other

VS.RAB.FailEstabCS.TNL

VS.RAB.FailEstabCS.other.CELL

VS.RAB.FailEstPS.RNL VS.RAB.FailEstPS.Unsp

VS.RAB.FailEstPS.RIPFail

VS.RAB.FailEstPS.Par

VS.RAB.FailEstPS.Relo

VS.RAB.FlEstPS.RNL.Other

VS.RAB.FailEstPS.TNL

VS.RAB.FailEstPS.NResAvail

VS.RAB.FailEstabPS.Other.Cell

VS.RAB.Loss.CS.RF

VS.RAB.Loss.CS.RF.UuNoReply

VS.RAB.Loss.CS.RF.Oth

VS.RAB.RelReqCS.OM kalau hardware problem, VS.RAB.Loss.CS.Abnorm increaseVS.RAB.RelReqCS.UTRANgen

VS.RAB.RelReqCS.RABPreempt

VS.RAB.Loss.CS.Aal2Loss

VS.RAB.Loss.CS.Congstion.CEL

L

VS.Call.Drop.CS.Other

PS Call DropCounter Level1 Sub Counter Level2 Sub Counter Level3

VS.RAB.Loss.PS.SRBReset

VS.RAB.Loss.PS.TRBReset

CS IRAT Handover FailCounter Level1 Sub Counter Level2

VS.SRELOC.Fail.IRATCSOutN

Rpl

VS.SRELOC.Fail.IRATCSOutCa

nc

VS.SRELOC.Fail.IRATCSOutTe

xp

VS.SRELOC.Fail.IRATCSOutTf

ai

VS.SRELOC.Fail.IRATCSOutT

Ove

VS.IRATHO.PrepFailCSOut.Uk

wnRNC

VS.IRATHO.PrepFailCSOut.No

Rsrc

VS.IRATHO.PrepFaiCSInTgtOv

eL

VS.IRATHO.PrepFailCSOutReqi

nfnotavai

VS.IRATHO.FailCSOut.CfgUnR

NC

VS.IRATHO.FailCSOut.PhyFaR

NC

PS IRAT Handover FailCounter Level1 Sub Counter Level2

VS.IRATHO.PSOut.CfgUnsup

VS.IRATHO.PSOut.PhyCHFail

VS.RAB.Loss.CS.RF

VS.RAB.Loss.CS.Abnorm

VS.RAB.Loss.PS.Abnorm VS.RAB.RelReqPS.OM

VS.RAB.RelReqPS.RABPreempt

VS.RAB.Loss.PS.GTPULoss

VS.RAB.Loss.PS.Congstion.CELL

VS.IRATHO.PSOut.FailPS

VS.SRELOC.FailPrep.IRAT

CSOut

VS.IRATHO.FailCSOut.RN

C

VS.Call.Drop.PS.Other

VS.RAB.Loss.PS.RF VS.RAB.Loss.PS.RF.RLCRst

VS.RAB.Loss.PS.RF.ULSync

VS.RAB.Loss.PS.RF.UuNoReply

VS.RAB.Loss.PS.RF.Oth

VS.IRATHO.PSOut.Unpec

VS.IRATHO.PSOut.NoReply

VS.IRATHO.PSOut.FailPS

Sub CounterLevel4

VS.RAB.FailEstCs.Power.Cong

VS.RAB.FailEstCs.Code.Cong

VS.RAB.FailEstab.CS.DLIUBBand.Cong

VS.RAB.FailEstab.CS.ULIUBBand.Cong

VS.RAB.FailEstCs.ULCE.Cong

VS.RAB.FailEstCs.DLCE.Cong

VS.RAB.FailEstabCS.Unsp.Other

VS.RAB.FailEstCS.RIPFail

VS.RAB.FailEstCS.Relo

VS.RAB.FailEstabCS.RNL.Other

VS.RAB.FailEstabCS.TNL

VS.RAB.FailEstabCS.other.CELL

kalau hardware problem, VS.RAB.Loss.CS.Abnorm increase

Analysis ActionAnalysis Sub ActionInput Tools

Subsystem exception

Cluster MeasuResult M2000/PRS/Nastar

TOP N Cell ID，RNC MMLMeasuResult PRS

Counter Analysis

M2000/PRS/Nastar

M2000/LMT

LMT

LMT

RNC MM，check Iu-CS,Iub,Iur interface configuration

Cell

Abnormal

Cluster MeasuResult,CFGMML

TOP N CellID

TOP Cell

Cell PRS

Counter Analysis

LMT

PRS，RNC/NodeB

LMT、M2000

Cell

TOP Cell

TOP Cell PRS

Counter Analysis

PRS，RNC/NodeB

LMT、M2000

PRS，RNC LMT

MeasuResult

TOP Cell

Top Cell M2000，UMAT

TOP Terminal Analyis

CHR PCHR Analyzer

Counter Analysis

CHR

PRS，RNC LMT

PCHR Analyzer

PCHR Analyzer

NASTARV6R8

PCHR Analysis

TOP User Analysis

CHR

CM Analysis

MeasuResult

MR

TOP Cell

CHR

PCHR Analyzer，M2000,LMT

PCHR Analyzer

PCHR Analysis

CM Analysis

CHR

Special HO Fail

Analysis

Analysis Action（Level 1) Analysis Action（Level 2)

VS.Call.Drop.CS.Otherif VS.RAB.Loss.CS.RF.Oth>10% Escalate to TSif subsystem CDR > 3%,and denominator >10000 ; (VS.RAB.Rel.Abnorm.AMR.SPU/（VS.RAB.Rel.Abnorm.AMR.SPU+VS.RAB.Rel.Norm.AMR.SPU））)

Escalate to TS

RNC Alarm

NodeB Alarm:i. Cell unavailable ii. Transmission Alarmiii. DSP or CPU alarm，iv. Clock alarm or RF alarm；

Check TOP cell neighbor handover radius

change to MOD LOCELL: RADIUS=29000, HORAD=0;

Check if RC.AttConnEstab.EmgCall/( RRC.AttConnEstab.OrgConvCall + RRC.AttConnEstab.TmConvCall + RRC.AttConnEstab.EmgCall)>50%

check coverage scene

DSP AAL2PATH/IPPATH check path if available

check if AAL2RT or IPRT is configureda)For ATM:E1Test:if AAL2PATH Down or BER>1%,Check transmission qualityb)For IP:PingTest: if PacketLoss>1%Check transmission qualityNodeB LMT DSP CLKSTAT or LST CLKRECORD

[Option]TOP cell transmission configuration

VS.RAB.RelReqCS.OM

VS.RAB.RelReqCS.UTRANgen VS.RAB.RelReqCS.RABPreempt VS.RAB.Loss.CS.Aal2Loss VS.RAB.Loss.CS.Congstion.CELL

IF ClusterVS.RAB.Loss.CS.Abnorm>10%

[Option]TOP cell clock check

TOP Cell Alarm Check

if clock status （FREE），escalate to RAN/BSS

TOP cell interference if RTWP (>-96dBm),check according to Interference guidelinei check traffic if highii check if have RF module alarmiii trace RTWP in LMT,compare primary and secondary RTWP to check if interneliiii using LMT frequency scan Functionto check if external interferenceCheck HO_MC_MEAS_BEYOND_UE_CAP_SWITCH (CORRMALOGSWITCH)Check HO_MC_SIGNAL_SWITCH (CORRMALOGSWITCH)if TOP Cell CS HO Prep SR<99%

TOP cell 3G/2G HO Check

if CS HO relocation <98%，and IRATHO.FailOutCS.PhyChFail >50%

[Option]TOP cell clock check

Check if enable 2G->3G HO,should close SET RRCTRLSWITCH: RSVDPARA1= RsvdBit1_BIT17=0;

ClusterVS.RAB.Loss.CS.Abnorm>20%

Escalate to TS

Check if configure Iur between RNCs,propose configure IurCheck if miss inter RNC cell neighbor

TOP cell 3G/2G HO Check

check CS HO inter RNC

Top cell at border of RNCs

if CS HO relocation <98%，and IRATHO.FailOutCS.PhyChFail >50%

if CS HO relocation <98%, and if IRATHO.FailOutCS.CfgUnsupp >20%

IOS Aanalyis

[option] check if Top N IMSI drop have same signalling procedure

Escalated to TS

filter if Top 5 IMEI CallDrop >10%(Total Call Drop)

Escalated to TS

说明掉话跟压模有关，需要优化连续覆盖区域小区的压模参数，降低小区异频/异系统起

压模门限，减少起压模次数

Escalated to TSfilter if Top 10 IMSI CallDrop >10%(Total Call Drop)

按文档统计与压模相关的掉话占总的语音掉话的比例，如果超过30%

check CS HO inter RNC

Top cell at border of RNCs

check CS Relocation inter RNC

In Nastar “Topic Fuction”->”UMTS Coverage data task”caculate TOP cell EcNo，RSCP，Tp chart；

MR Coverage Analysis

a) 通过M2000查看这两个小区所在NodeB是否有异常告警（例如时钟、通道、DSP和射频告警），如果有需要先处理异常告警。b) （可选）对两个小区所在站点进行时钟核查。c) （可选）利用RNC维护台小区性能监测中的节点同步功能（如下图）检查这两个小区的Iub时延，如果时延相差超过SET DPUCFGDATA中 FPMDCCOMBINEDELAYVALUE设置值（基线为20ms）,修改上行FP合并时延等于两小区Iub时延差+20ms。

d) 如果这两个小区没有异常告警，Iub时延也正常，可以尝试修改源小区相对目标小区的CIO（ADD/MOD INTRAFREQNCELL: CIOOffset=10）,如果修改后有效，说明切换失败是信号突变引起的；反之，需要把CIO改回0。

说明掉话跟压模有关，需要优化连续覆盖区域小区的压模参数，降低小区异频/异系统起

压模门限，减少起压模次数

统计原因为no_active_set_cmp的掉话话单中出现频度最高的TOP10小区，查看TOP10小区中是否有小区90%的软切换失败都是向特定小区切换失败的，如果是，进入下一级动作

按文档统计与压模相关的掉话占总的语音掉话的比例，如果超过30%

Analysis Action（Level 3) Analysis Action（Level 4)Output ActionCheck SOP Alarm infoCheck Iu Transmission.[Option]Chenk if CS_IUUP_V2_SUPPORT_SWITCH(CORRMALOGSWITCH) matach with CN side TFO/TrFO[Option]Check if security mode is matched between CN and RNC CS&PS.(RNC,SET UEA)Check if CFG_DL_BLIND_DETECTION_SWITCH (CORRMALOGSWITCH) open, and close to monitorEscalate to TS

Alarm Check SOP， Alarm handle result

check if the CDR related to alarm time

Alarm handle result

change to close (0)

change to close (0)

i. check if RNC and 2GBSC :PLMN，LAC、BSIC are matchedii. Check if RNC,3G MSC and 2G BSC: PLMN、LAC are matcediii. If 2G/3G don't have same MSC，check if 2G side CN configure 3G LACi. check 2G BSC and CN if enable 3G HO in（Inter-RAT In BSC Handover Enable)ii. Check if CNs direction enable

check if 2G TCH/SD block rate >1%check if miss 2G Neighbor(better coverage)

i. check if RNC side 2G cell info is matched with BSC sideii. Check if 3G to 2G CIO is 0iii. Check 2GBTS alarm(Clock)

check if cell-cell neighbor; VS.IRATHO.FailOutCS.UEF.N

IF IRATHO.FailRelocPrepOutCS.UKnowRNC

IF IRATHO.FailRelocPrepOutCS.ReloNoSup or IRATHO.FailRelocPrepOutCS.TgtFail

iv. Check 3GNodeB Clock status, if CS HO relocation <50%, but prepare OK, mostly due to this reasonv. check if 2G cell have interference,if interference impact performance （RMV GSMNCELL）vi. ADD CELLINTERRATHOCOV: TargetRatCsThd=16, Try to improve the TargetRatCsThd.a) check if 3G RNC，2G BSC cell security mode is matched.(if 2G no security,SET RRCTRLSWITCH: PROCESSSWITCH=SYS_HO_OUT_CIPHER_SWITCH-1&SYS_HO_CIPHER_CONFIG-0)[Option]Check 2G cellFrequencyList if correct

Iur interface configuration check

a) SET CORRMALGOSWITCH: CmpSwitch=CMP_IUR_SHO_DIVCTRL_SWITCH-1 if NRNC is NSNb) if VS.SHO.FailRLSetupIur.TransCongRx or VS.SHO.FailRLRecfgIur.CongTx >20%, check Iur configuration

Check ifVS.SHO.SuccRLSetupIur.Rx/VS.SHO.AttRLSetupIur.Tx<99.5%VS.SHO.SuccRLAddIur.Rx/VS.SHO.AttRLAddIur.Tx<99.5%



c) if VS.SHO.FailRLSetupIur.HW.Rx or VS.SHO.FailRLSetupIur.CfgURx >20% ,escalated to TS

if VS.SRELOC.SuccExec.UENonInvCS.RNC/VS.SRELOC.AttExec.UENonInvCS.RNC <60%, then SET SRNSR: SrnsRabCnDomainType=NRT

a) Porpose configure Iurb) if can't configure Iur ,Escalate to TS

if TOP Cell,MR count(EcNo<-14dB or RSCP<-110dBm)>20%，need RF optimizationif TOP Cell (RSCP>-85dBm and EcNo<-14dB)>20%，perhapes pilot pollution,need RF optimization

a) 对异频异系统共存的小区，检查SET HOCOMM: CoexistMeasThdChoice参数配置，在异频、异系统共存时哪个2D/2F参数有效并修改之（例如共存时异系统的2D/2F有效，则修改小区异系统2D/2F参数）

PCHR过滤后的数据，语音掉话TOP10 IMSI信息

压模掉话占总掉话的比例，参数优化建议

Check ifVS.SHO.SuccRLSetupIur.Rx/VS.SHO.AttRLSetupIur.Tx<99.5%VS.SHO.SuccRLAddIur.Rx/VS.SHO.AttRLAddIur.Tx<99.5%

(RELOC.SuccPrepUEInvolCS/RELOC.AttPrepUEInvolCS)*(VS.SRELOC.SuccExec.UEInvCS.RNC/VS.SRELOC.AttExec.UEInvCS.RNC)<80%

b) 对只有异频邻区或异系统邻区的小区，修改这些小区的异频或异系统压模参数

压模掉话占总掉话的比例，参数优化建议


Subsystem abnormal

MeasResult PRS，OMStar

MeasResult,CFGMML PRS，OMStar

Top cell

MeasResult PRS，OMStar单机版

MeasResult PRS，OMStar单机版

MeasResult PRS，OMStar，NodeB LMT

MeasResult、RNC MML PRS

Top cell

统计失败的TMSI分布(暂不

执行）

从过滤出的数据中统计失败的Tp分布

PCHR Analysis

PCHRAnalyzer

从过滤出的数据中统计EcNo

CHR

PCHR Analysis

PCHRAnalyzer

从过滤出的数据中统计EcNo

CHR

Analysis Action（Level 1)Analysis Action（Level 2)If Subsystem RRC SR <97%，denominator> 10000，then Subsystem abnormal

Escalated to TS

if VS.RRC.Rej.RL.Fail>10%

Top cell capacity check

TOP5 CellRL Fail

TOP5 Cell TNL Fail Checkif VS.RRC.Rej.TNL.Fail占RRC>10%

if VS.RRC.FailConnEstab.Cong >10%

a) Check missing neighbor

以上措施都未解决问题提单

TOP5 Cell TNL Fail Checkif VS.RRC.Rej.TNL.Fail占RRC>10%

b)Get VS.RRC.FailConnEstab.NoReply TOP5 Cell

if VS.RRC.FailConnEstab.NoReply>10%

a) 如果是超远覆盖，需要跟客户澄清

a) 修改非RNC边界小区的同频重选启动门限IdleSintrasearch为127（MOD CELLSELRESEL: CellId=*****, IdleSintrasearch=127）

b) 如果有TMSI一段时间内在某几个小区连续每隔1分钟或更短时间左右就RRC失败一次

b) 如果确认接入失败小区下有直放站

a) 首先与客户确认TMSI是否本网络的用户还是漫游用户，如果失败的TMSI非本网用户，也非MOCN和有效的漫游用户，统计所有这类TMSI的比例，跟客户交流澄清

如果有TMSI的接入失败较多（例如占总失败0.05%以上）

如果有20%以上的接入失败是Tp>20，这些小区或者是超远覆盖（在郊区），或者存在直放站。

统计失败时接入小区信令EcIo<-14dB（也即消息里的上报值小于21）的比例，如果超过30%，说明弱覆盖是接入失败主因

b) 修改TOP10小区信令FACH最大发射功率（提升2dB，MOD SCCPCH:CellID=*****, FACH1Id=4, FACH1MaxPower=30;）

统计失败时接入小区信令EcIo<-14dB（也即消息里的上报值小于21）的比例，如果超过30%，说明弱覆盖是接入失败主因

Analysis Action（Level 3)Analysis Action（Level 4)Output Action

a)check NCP/CCP if congestion, expansion

b)check if configure match with phsical BW;optimize active factorc)change user GBRd)Expansion, PIC BSSa) if NodeB dynamic CE enable, try decrease GBR(SET USERGBR : UlGBR=D32, DlGBR=D32)b) else expand CEa)Check if CELLALGOSWITCH: NBMCacAlgoSwitch=HSDPA_UU_ADCTRL-b)1) if ul congestion :MOD CELLCAC: UlTotalEqUserNum=140 or more2) if dl congestion :MOD CELLALGOSWITCH: NBMDlCacAlgoSelSwitch=ALGORITHM_THIRD）3) then, expansion

if NodeB Dynamic Code,MOD CELLHSDPA set mannual,1 code.Else if RNC Dynamic Code,Mod CELLHSDPA auto,Max 15,Min 1else expansionRNC AlarmNodeB Alarm:a)ATM,Check BERb)IP: Check Packet Loss

Else EscalateRNC Alarm


VS.RRC.Rej.Power.Cong，

VS.RRC.Rej.Code.Cong，

VS.RRC.Rej.ULIUBBandCong

VS.RRC.Rej.DLIUBBandCong


VS.RRC.Rej.UL.CE.Cong

VS.RRC.Rej.DL.CE.Cong

[Option]Check IuB packet loss

NodeB Alarm:Check IUB AAL2PATH or IPPATH configruation

a)ATM,Check BERb)IP: Check Packet Loss Rate

TOP Cell Alarm Check RNC AlarmNodeB Alarm:i. Cell unavailable ii. Transmission Alarmiii. DSP or CPU alarm，iv. Clock alarm or RF alarm；

SPU/PIU Load Check if Subsystem VS.SPU.CPULOAD.MEAN >60%check if (RRC.AttConnEstab.IRATCelRes/ VS.RRC.AttConnEstab.Cell) or (IRATHO.AttIncCS/VS.RAB.AttEstabCS.Conv) too high,optimize Reselection or HOelse: Expansion

FACH channel congestion: FACHch utl = （VS.MAC.CRNCIubBytesFACH.Tx-VS.MAC.CRNCIubBytes.PS.CCH.TX）*8/((60*<SP>*168*1/0.01)* VS.PCH.Bandwidth.UsageRate + (60*<SP>*168*2/0.01)*(1- VS.PCH.Bandwidth.UsageRate))

if FACHch utl >70% a)if (RRC.AttConnEstab.IRATCelRes/ VS.RRC.AttConnEstab.Cel)>20%,check 2G site downb) add SCCPCH

Interference check

其它参数的核查和优化按文档排查


Check IuB packet loss

i. 查询接入原因是否10，也即INTER_RAT_CELL_RESELECT，如果是，可能是频繁的2G/3G重选导致的，需要优化3G侧重选启动门限SsearchRat,减少乒乓ii. 查询接入失败的小区是否是RNC边界的小区，如果是可以修改该小区同频重选门限

iii. 失败原因是否有资源拥塞，如果资源资源拥塞，可以参照TOP小区资源拥塞核查子动作进行相关检查

关闭直放站后在观察一下小区RRC接入指标，如果有改善，说明接入失败与直放站确有关系，需要关闭直放站

如果直放站关闭前后，小区RRC接入指标变化较小，说明RRC接入失败与直放站没有关系


[Option] Security mode check

CS_IUUP_V2_SUPPORT_SWITCH check

（可选）拆线消息悬置功能检查PS+PS Combine License check

Subsystem abnormal

MeasResult PRS，OMStar

PRS，OMStar

话统分析

Top Cell Analysis

MeasResult

PRS，OMStar

话统分析

Top Cell Analysis

MeasResult

话统分析

Top Cell Analysis

PRS，OMStarMeasResult

MeasResult PRS，OMStar，NodeB LMT

Top cell M2000/LMT

TOP终端分析

OMStar，M2000

话统分析

Top Cell Analysis

TOP用户分析

最近一周2～3天工作日CHR

PCHRAnalyzer

PCHR分析

MeasResult

PRS，OMStarMeasResult

Analysis Action（Level 1)Analysis Action（Level 2)Check CS VS PS, CN VS RNC Security mode:(MSC SET MapConfig,SGSN SET PMM ,RNC SET UEA) if matchedcheck CS_IUUP_V2_SUPPORT_SWITCH（SET CORRMALGOSWITCH）

if open ,support Iuup ver2，Check CN side if open TFO/TrFO fuction,should be matched with RNC

向CN侧工程师了解MSC是否打开拆线消息悬置功能

如果打开，要求CN工程师关闭该功能

check PS+PS License

If Subsystem RRC SR <97%，denominator> 10000，then Subsystem abnormal

Escalated

if VS.RAB.FailEstabCS.Unsp>10%

Top5 cell capacity check

if VS.RAB.FailEstabCS.Unsp>10%

Top5 cell capacity check

if VS.RAB.FailEstabCS.IubFail>10%,(RAN12)

执行TOP5小区Iub Fail核查

if VS.RAB.FailEstabCS.IubFail>10%,(RAN12)

执行TOP5小区Iub Fail核查

Check Top Cell TNL FailIfVS.RAB.FailEstabCS.TNL

a) Check Missing Neighbor

b) （R12 Support ) VS.RAB.FailEstabCS.RBIncCfg or VS.RAB.FailEstabCS.RBCfgUnsup>5%

TOP IOS Analysis 参见文档进行

如果某类型号终端接入失败占总接入失败的10%以上

提单

如果有TOP10的IMSI的接入失败较多（例如占总失败10%以上）

提单

（可选）检查TOP10 IMSI的接入流程是否一致，如果一致，在提单中说明

If VS.RAB.FailEstCS.RIPFail（R12: VS.RAB.FailEstabCS.UuFail）>10%

b) VS.RAB.FailEstCS.RIPFail TOP5 Cell

Check Top Cell TNL FailIfVS.RAB.FailEstabCS.TNL

Analysis Action（Level 3)Analysis Action（Level 4)Output Action

i.LST ADJNODE,check adj Node Numii.LST AAL2PATH,check if local and peer between 2 side.ii. If path configure correct,add new aal2path

i. if PATH bandwidth<1.5M,change to acturalii. Else, add new path

if （IRATHO.AttIncCS/ VS.RAB.AttEstabCS.Conv）>10%

Disable 2G->3G handover

a)check NCP/CCP if congestion, expansionb)check if configure match with phsical BW;optimize active factorc)change user GBRd)Expansion, PIC BSS

if (VS.RAB.FailEstabCS.Unsp –VS.RAB.FailEstabCS.Cong)>5%, Check AAL2 CID

Congestion : if ANIQAAL2.Est.RLC.NoCID.T

x or VS.QAAL2.Est.RLC.NoCID.R

x>10

if VS.RAB.FailEstab.PS.DLIUBBand.Cong VS.RAB.FailEstab.PS.ULIUBBand.Cong

a) if NodeB dynamic CE enable, try decrease GBR(SET USERGBR : UlGBR=D32, DlGBR=D32)b) else expand CEa)Check if CELLALGOSWITCH: NBMCacAlgoSwitch=HSDPA_UU_ADCTRL-0&HSUPA_UU_ADCTRL-0&HSDPA_GBP_MEAS-0)b)1) if ul congestion :MOD CELLCAC: UlTotalEqUserNum=140 or more2) if dl congestion :MOD CELLALGOSWITCH: NBMDlCacAlgoSelSwitch=ALGORITHM_THIRD）c)Else,expansiona)SET MACHSPARA: DYNCODESW=OPEN;ADD CELLHSDPA: AllocCodeMode=Manual, b)ExpansionRNC侧告警：参考日常核查SOP，如有异常，进行处理

TOP小区告警核查(特别是传输告警）

VS.RAB.FailEstPs.Code.Cong

VS.RAB.FailEstPs.ULCE.Cong VS.RAB.FailEstPs.DLCE.CongVS.RAB.FailEstPs.Power.Cong

NodeB侧告警（i. 小区不可用告警(例如FP失败导致的小区不可用)，ii. 传输告警（例如闪断，丢包），iii. DSP或CPU告警，iv. 射频告警；）：对比话统和告警（以小时为粒度），查看告警出现后是否RRC接入失败次数有上升，告警消失后(如果消失的话)，RRC接入失败次数也下降，如果是，说明RRC接入失败跟异常告警可能有关联，要处理告警信息a) 对ATM传输，检测E1的误码率（参看文档）b) 对IP传输，检测IP网络的丢包率（参看文档）

如果传输没有问题提单Check Iu interface Alarm

Check Iu-CS AAL2PATH or IPPATH configurationCheck Iu-CS if have packet Loss

RNC AlarmNodeB Alarm:i. Cell unavailable ii. Transmission Alarmiii. DSP or CPU alarm，alarm；

Check Iub AAL2PATH or IPPATH configuration

i.ATM,Check BER

（可选）检查Iub是否存在丢包

TOP小区告警核查(特别是传输告警）

Check IuB if have packet Loss

Top cell Alarm Check ,transmission alarm

ii.IP: Check Packet Loss Rate

Excalated

RNC AlarmNodeB Alarm:i. Cell unavailable ii. Transmission Alarmiii. DSP or CPU alarm，iv. Clock alarm or RF alarm；

Interference Check RTWP>-90dBm

TOP cell Alarm Check

Check IuB if have packet Loss

Documents

Cssr&Cdr Guideline