Call Setup
Step 1. Random Access Success Rate
Contention based Random Access Preamble Detected by Cell
Random Access Response
Scheduled Transmission
PEGs
Attempts
pmRaAttCbra
Success
pmRaSuccCbra
KPI
Random Access Success Rate
pmRaAttCbra / pmRaSuccCbra
Step 2. RRC Connection Setup
RRC connection setup is triggered by RRF connection request message sent by UE
Check avail licenses
RCC Connection setup
RRC Connection setup complete
PEGs
RRC Attempts
pmRrcConnEstabAtt
pmRrcConnEstabAttEm
Emergency
pmRrcConnEstabAttHpa
High Priority Access
pmRrcConnEstabAttMta
Mobile Terminating Access
pmRrcConnEstabAttMos
Mobile Originating Signaling
pmRrcConnEstabAttMod
Mobile Originating Data
RRC Success
pmRrcConnEstabSucc
pmRrcConnEstabSuccEm
Emergency Success
pmRrcConnEstabSuccHpa
High Priority Success
Fails
pmRrcConnEsabFailLic
KPI
RRC Success Rate
pmRrcConnEstabSucc / pmRrcConnEstabatt
Step 3. S1 Setup
Signalling connection setup triggered by initial UE message
MME sends initial context setup request to RBS
PEGs
Attempts
pmS1SigConnEstabAtt
Success
pmS1SigConnEstabSucc
KPI
S1 Success Rate
pmS1SigConnEstabAtt / pmS1SigConnEstabSucc
Step 4. ERAB Establishment
Initial ERAB setup by UE
Check avail licenses
RBS sends initial context setup response to MME
PEGs
Attempts
pmErabEstabAttInit
Avail per CQI
Success
pmErabEstabSuccInit
Avail per CQI
Fails
pmErabEstabFailInitLic
Additional ERAB setup by MME
Check avail licenses
RBS sends initial context setup response to MME
PEGs
Attempts
pmErabEstabAttAdded
Avail per CQI
Success
pmErabEstabSuccAdded
Avail per CQI
Fails
pmErabEstabFailAddedLic
KPI
ERAB Attempts
pmErabEstabAttInit + pmErabEstabAttAdded
ERAB Successes
pmErabEstabSuccInit + pmErabEstabSuccAdded
ERAB Success Rate
(pmErabEstabSuccInit + pmErabEstabSuccAdded) / (pmErabEstabAttInit + pmErabEstabAttAdded)
Success / Attempts
Active Call
Drop
UE context release is triggered by UE context release command
Data in UL or DL buffer?
Yes Data
PEG
KPI
Retainability
Drop
pmUeCtxtRelMmeAct
All Releases
PEG
Release
pmUeCtxtRelMme
Handover