Huawei 5G / NSA Deployment
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Accessibility KPI Optimization Guide

Click on any parameter group to filter and view related parameters for KPI optimization.

RACH Success Rate
Target: ≥ 99.5%
Formula
N.RA.Contention.Resolution.Succ ÷ N.RA.Contention.Att × 100%
Related Counters
N.RA.Contention.Resolution.Succ N.RA.Contention.Att N.RA.Dedicated.Att N.RA.Dedicated.Msg3
Key Parameters (80)
NRDUCellPrach 14 NRDUCellRac 13 NRDUCellCoverage 17
Optimization Tips
  • Increase MaxPreambleTransCnt for cell edge users
  • Adjust PrachConfigurationIndex for capacity
  • Tune CbraPreamblePct for CBRA/CFRA balance
  • Optimize PowerRampingStep for coverage
RRC Setup Success Rate
Target: ≥ 99.5%
Formula
N.RRC.ConnEstab.Succ ÷ N.RRC.ConnEstab.Att × 100%
Related Counters
N.RRC.ConnEstab.Succ N.RRC.ConnEstab.Att N.RRC.ReEstab.Succ N.User.RRCConn.Avg
Key Parameters (28)
NRCellRsvd 47 gNBPdcpParamGroup 18 NRDUCellUeTimerConst 9
Optimization Tips
  • Check T300/T301 timer settings
  • Verify SRB configuration settings
  • Monitor RRCReestablishment causes
  • Ensure adequate PDCCH resources
NG Setup Success Rate
Target: ≥ 99.9%
Formula
N.NGAP.InitialCtxtSetup.Succ ÷ N.NGAP.InitialCtxtSetup.Att × 100%
Related Counters
N.NGAP.InitialCtxtSetup.Succ N.NGAP.InitialCtxtSetup.Att N.NGAP.InitialUEMsg N.NGAP.UECtxtRelease
Key Parameters (96)
gNBCnInteraction 1 gNBInterfaceParam 14 gNBOperator 19
Optimization Tips
  • Verify AMF connectivity and load
  • Check NGAP timer settings
  • Monitor SCTP association health
  • Review gNB-CU interface parameters
PDU Session Setup Success Rate
Target: ≥ 99.5%
Formula
N.PDUSession.EstabReq.Succ ÷ N.PDUSession.EstabReq.Att × 100%
Related Counters
N.PDUSession.EstabReq.Succ N.PDUSession.EstabReq.Att N.DRB.Setup.Succ N.QosFlow.Setup.Succ
Key Parameters (613)
gNBQciBearer 65 NRCellQciBearer 32 gNBPdcpParamGroup 18 gNBDrxParamGroup 4
Optimization Tips
  • Verify 5QI/QCI bearer configuration
  • Check DRB setup parameters
  • Optimize PDCP and RLC settings
  • Review QoS Flow mapping configuration

E2E Service Accessibility Rate

The overall accessibility KPI combines all the above success rates:

E2E Formula
RACH SR × RRC Setup SR × NG Setup SR × PDU Session SR
99.5%
RACH SR
99.5%
RRC SR
99.9%
NG SR
99.5%
PDU SR

Expected E2E Accessibility: 99.5% × 99.5% × 99.9% × 99.5% ≈ 98.4%