Mobility KPI definition based on 3GPP TS 32.450 and 32.45. Conditions for source & target cell to increment performance counter during S1 HO procedure Conditions for source & target cell to increment performance counter during X2 HO procedure

1. Mobility, definition

2. Mobility, S1 HO procedure
UE
Source
eNB
Target
eNB MME S-GW
Measuremnt Report
HO Decision
HO Required
HO Command
Modify Bearer Request
Modify Bearer Response
UE Context Release Command
HO
Preparation
HO
ExecutionSync and Random Access Procedure
HO Request
HO Request Ack
Admission Control
eNB status transfer
eNB status transfer
RRC Conn Reconfiguration
RRC Conn Reconfiguration Complete
HO Notify
Bearer Setup
Tracking Area Update
UE Context Release Complete
HO.ExeSucc++
HO.ExeAtt++
HO.PrepSucc[QCI]++
HO.PrepAtt[QCI]++
HO.PrepAtt[QCI]++
HO.ExeSucc++
HO.PrepAtt[QCI]++
HO.ExeAtt++

3. Mobility, X2 HO procedure
UE
Source
eNB
Target
eNB MME S-GW
Measuremnt Report
HO Decision
HO Request
Admission Control
HO Ack/Command
RRC Conn Reconfiguration
SN Status Transfer
Forward User Plane Data
Buffer Packet
RRC Conn Reconfiguration Complete
Path Switch Request
Modify Bearer Request
Modify Bearer Response
Path Switch Request Ack
UE Context Release Command
HO
Preparation
HO
Execution
Sync and Random Access Procedure
Bearer Setup
UE Context Release Complete
HO.ExeSucc++
HO.ExeAtt++
HO.PrepSucc[QCI]++
HO.PrepAtt[QCI]++
HO.PrepAtt[QCI]++
HO.PrepSucc[QCI]++
HO.ExeSucc++
HO.ExeAtt++