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Call drop cs wcdma / huawei


#1

how to improve the call drop cs in 3G ? and what parameters can be modified to improve the call drop in huawei ?
BR


#2

Add some neighbours mate, reduce pilot pollution, if drops due to do power restrictions, limit power that can be used for data. There are loads of methods


#3

Hello, if you do not have the call reestablish activated you can turn it on and parameterize it.


#4

MML command to check this parameter please


#5

There are several switches and parameters. For some reason they mix it with another functionality that is the DPCH Pilot Power Offset. Analyze them since you can make the situation worse.

There are some at the RNC level and others at the cell level.

I do not have the document they used but you can search the internet, this is an example but it depends on the software version.

https://es.slideshare.net/ericjarantes/huawei-call-reestablishment-ran14

SET UCONNMODETIMER: N313=D20, T315=D10, N315=D20;

MOD UCELL: CellId=, NInsyncInd=8, NOutsyncInd=8;

SET URRCTRLSWITCH: PROCESSSWITCH4=IUR_RL_REEST_SWITCH-1;

SET URRCTRLSWITCH: PROCESSSWITCH4=TRB_RESET_RL_REEST_SWITCH-1;

SET URRCTRLSWITCH: PROCESSSWITCH4=RB_SETUP_ENHANCE_RL_REEST_SWITCH-1;

SET URRCTRLSWITCH: ImprovementSwitch=NON_DCCC_RBRECFG_RL_REEST_SWITCH-1;

SET URRCTRLSWITCH: PROCESSSWITCH4=RB_REL_RL_REEST_SWITCH-1;

SET URRCTRLSWITCH: ImprovementSwitch=SMC_RL_REEST_SWITCH-1;

SET URRCTRLSWITCH: PROCESSSWITCH4=IRATHO_HOCANCEL_RL_REEST_SWITCH-1;

SET URRCTRLSWITCH:ProcessSwitch2=ASU_RSP_TIMEOUT_HANDLE_SWITCH-1;

SET UCMCF:DeltaCFN=120;

SET URRCTRLSWITCH OptimizationSwitch2=SECU_CU_CROSS_SWITCH-1;

SET URRCTRLSWITCH:OptimizationSwitch4=SCM_CU_CROSS_SWITCH-1;

SET URRCTRLSWITCH: OptimizationSwitch3=CELLUPDATE_PROCEDURE_OPT_SWITCH-1;

SET URRCTRLSWITCH:ImprovementSwitch=CS_DISCONNECT_OPT_SWITCH-1;

SET UCORRMALGOSWITCH: HoSwitch1=HO_INTRA_FREQ_DETSET_INTO_ACTSET_OPTSWH-1;

SET UINTRAFREQHO: DetSetCellFrameOffsetThd=20;

SET UCORRMALGOSWITCH: HoSwitch1=HO_INTRA_DETSET_DRNC_CELL_INTO_ACTSET-1;

SET UFRC:NonCsOptiPilotPo=0,CsOptiPilotPo=12,DlDpchSf256OptiPilotBit=D2, PILOTPO=12;

SET UFRC:LoadStateForPilotPwrAdj=DL_LOADED_STATE;

MOD UCELLFRC: CellId=, LoadStateForPilotPwrAdj=DL_LOADED_STATE;

Hope this can help you. Greetings.


#6

what is the solution for UMTS DL and UP power congestion for Huawei network?