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Content for TS 32.426 Word version: 18.0.0

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4.1 Mobility Management 4.2 Session Management 4.3 Subscriber management for MME 4.4 S1-MME data volume related measurements 4.6 S6a related measurements 4.7 S6a related measurements 5.1 Session Management 5.2 SGi related measurements 5.3 PFCP session related measurements

2 References p. 17

3 Measurement family and abbreviations p. 18

3.1 Measurement family p. 18

3.2 Abbreviations p. 19

4 Measurements related to the MME p. 19

4.1 Mobility Management p. 19

4.1.1 EPS attach procedures p. 19

4.1.1.0 General |R11| p. 19

4.1.1.1 Attempted EPS attach procedures p. 19

4.1.1.2 Successful EPS attach procedures p. 19

4.1.1.3 Failed EPS attach procedures p. 20

4.1.1.4 Combined EPS/IMSI attach |R10| p. 20

4.1.1.4.0 General |R11| p. 20

4.1.1.4.1 Attempted combined attach procedures p. 20

4.1.1.4.2 Successful combined attach procedures p. 21

4.1.1.4.3 Failed combined attach procedures p. 21

4.1.1.5 EPS emergency attach procedures |R10| p. 21

4.1.1.5.0 General |R11| p. 21

4.1.1.5.1 Attempted emergency attach procedures p. 22

4.1.1.5.2 Successful emergency attach procedures p. 22

4.1.1.5.3 Failed emergency attach procedures p. 22

4.1.2 UE-initiated EPS Detach procedure p. 23

4.1.2.1 Attempted EPS detach procedures by UE p. 23

4.1.2.2 Successful EPS detach procedures by UE p. 23

4.1.3 MME-initiated EPS Detach procedure p. 23

4.1.3.1 Attempted EPS detach procedures by MME p. 23

4.1.3.2 Successful EPS detach procedures by MME p. 24

4.1.4 HSS-initiated EPS Detach procedure p. 24

4.1.4.1 Attempted EPS detach procedures by HSS p. 24

4.1.4.2 Successful EPS detach procedures by HSS p. 24

4.1.5 Tracking area update procedure with Serving GW change p. 25

4.1.5.0 General |R11| p. 25

4.1.5.1 Attempted tracking area update procedure with Serving GW change p. 25

4.1.5.2 Successful tracking area update procedure with Serving GW change p. 25

4.1.5.3 Failed tracking area update procedure with Serving GW change p. 25

4.1.6 Tracking area update procedure without Serving GW change p. 26

4.1.6.0 General |R11| p. 26

4.1.6.1 Attempted tracking area update procedure without Serving GW change p. 26

4.1.6.2 Successful tracking area update procedure without Serving GW change p. 26

4.1.6.3 Failed tracking area update procedure without Serving GW change p. 27

4.1.7 EPS paging procedures |R10| p. 27

4.1.7.0 General |R11| p. 27

4.1.7.1 Attempted EPS paging procedures p. 27

4.1.7.2 Successful EPS paging procedures p. 27

4.1.7.3 Failed EPS paging procedures p. 28

4.1.8 MME control of overload related measurements for EPC |R10| p. 28

4.1.8.1 Attempted Overload Start procedure p. 28

4.1.8.2 Attempted Overload Stop procedure p. 28

4.1.9 EMM-Registered subscribers p. 29

4.1.9.1 Mean number of EMM-Registered subscribers p. 29

4.1.9.2 Maximum number of EMM-Registered subscribers p. 29

4.1.10 Handover related measurements |R9| p. 29

4.1.10.1 Inter RAT handover p. 29

4.1.10.1.1 Incoming inter RAT handover |R10| p. 29

4.1.10.1.1.1 Attempted incoming inter RAT handover p. 29

4.1.10.1.1.2 Successful incoming inter RAT handover p. 30

4.1.10.1.2 Outgoing inter RAT handover |R10| p. 30

4.1.10.1.2.1 Attempted outgoing inter RAT handover p. 30

4.1.10.1.2.2 Successful outgoing inter RAT handover p. 30

4.1.11 Routeing area update with MME interaction |R9| p. 31

4.1.11.0 General |R11| p. 31

4.1.11.1 Attempted routeing area update with MME interaction p. 31

4.1.11.2 Successful routeing area update with MME interaction and without S-GW change p. 31

4.1.11.3 Failed routeing area update with MME interaction and without S-GW change |R10| p. 32

4.1.11.4 Successful routeing area update with MME interaction and with S-GW change |R10| p. 32

4.1.11.5 Failed routeing area update with MME interaction and with S-GW change |R10| p. 32

4.1.12 Combined TA/LA update procedure |R9| p. 33

4.1.12.0 General |R11| p. 33

4.1.12.1 Attempted Combined TA/LA update p. 33

4.1.12.2 Successful Combined TA/LA update |R10| p. 33

4.1.12.3 Failed Combined TA/LA update |R10| p. 33

4.1.13 Number of implicit detach related measurements |R11| p. 34

4.2 Session Management p. 34

4.2.1 Number of dedicated EPS bearers in active mode (Mean) p. 34

4.2.2 Number of dedicated EPS bearers in active mode (Maximum) p. 34

4.2.3 Dedicated bearer set-up time by MME (Mean) p. 35

4.2.4 MME initiated dedicated bearer activation p. 35

4.2.4.1 Attempted dedicated bearer activation procedures by MME p. 35

4.2.4.2 Successful dedicated bearer activation procedures by MME p. 35

4.2.4.3 Failed dedicated bearer activation procedures by MME p. 36

4.2.5 MME initiated dedicated bearer deactivation p. 36

4.2.5.1 Attempted dedicated bearer deactivation procedures by MME p. 36

4.2.5.2 Successful dedicated bearer deactivation procedures by MME p. 36

4.2.6 MME initiated EPS bearer modification p. 36

4.2.6.1 Attempted EPS bearer modification procedures by MME p. 36

4.2.6.2 Successful EPS bearer modification procedures by MME p. 37

4.2.6.3 Failed EPS bearer modification procedures by MME p. 37

4.2.7 Total EPS Service Request |R9| p. 37

4.2.7.0 General |R11| p. 37

4.2.7.1 Total Attempted EPS Service Request procedures. p. 37

4.2.7.2 Total Successful EPS Service Request procedures. p. 38

4.2.7.3 Total failed EPS Service Request procedures. p. 38

4.3 Subscriber management for MME |R9| p. 38

4.3.1 Attempted insert subscriber data requests received from a HSS p. 38

4.3.2 Attempted delete subscriber data requests received from a HSS p. 39

4.3.3 Number of subscribers in ECM-IDLE state |R11| p. 39

4.3.4 Number of subscribers in ECM-CONNECTED state |R11| p. 39

4.4 S1-MME data volume related measurements |R9| p. 40

4.4.1 Number of incoming IP data packets on the S1-MME interface from eNodeB to MME p. 40

4.4.2 Number of outgoing IP data packets on the S1-MME interface from MME to eNodeB p. 40

4.4.3 Number of octets of incoming IP data packets on the S1-MME interface from eNodeB to MME p. 40

4.4.4 Number of octets of outgoing IP data packets on the S1-MME interface from MME to eNodeB p. 41

4.5 Void

4.6 S6a related measurements |R11| p. 42

4.6.1 Update location related measurements p. 42

4.6.1.1 General p. 42

4.6.1.2 Attempted update location procedure p. 42

4.6.1.3 Successful update location procedure p. 42

4.6.1.4 Failed update location procedure p. 42

4.7 S6a related measurements |R11| p. 44

4.7.1 Authentication related measurements p. 44

4.7.1.1 General p. 44

4.7.1.2 Attempted authentication information retrieval procedure p. 44

4.7.1.3 Successful authentication information retrieval procedure p. 44

4.7.1.4 Failed authentication information retrieval procedure p. 44

5 Measurements related to the PDN-GW for a GTP based S5/S8 p. 46

5.1 Session Management p. 46

5.1.1 PDN-GW initiated Dedicated Bearer Creation p. 46

5.1.1.0 General |R11| p. 46

5.1.1.1 Attempted number of PDN-GW initiated Dedicated Bearer Creation p. 46

5.1.1.2 Successful number of PDN-GW initiated Dedicated Bearer Creation p. 46

5.1.1.3 Failed number of PDN-GW initiated Dedicated Bearer Creation p. 46

5.1.2 PDN-GW initiated Dedicated Bearer Deletion p. 47

5.1.2.0 General |R11| p. 47

5.1.2.1 Attempted number of PDN-GW initiated Dedicated Bearer Deletion p. 47

5.1.2.2 Successful number of PDN-GW initiated Dedicated Bearer Deletion p. 47

5.1.2.3 Failed number of PDN-GW initiated Dedicated Bearer Deletion p. 48

5.1.3 PDN-GW initiated Dedicated Bearer Modification with QoS update procedure p. 48

5.1.3.0 General |R11| p. 48

5.1.3.1 Attempted number of PDN-GW initiated Dedicated Bearer Modification with QoS update p. 48

5.1.3.2 Successful PDN-GW initiated Dedicated Bearer Modification with QoS update p. 48

5.1.3.3 Failed PDN-GW initiated Dedicated Bearer Modification with QoS update p. 49

5.1.4 PDN-GW initiated Dedicated Bearer Modification without QoS update procedure p. 49

5.1.4.0 General |R11| p. 49

5.1.4.1 Attempted number of PDN-GW initiated Dedicated Bearer Modification without QoS update p. 49

5.1.4.2 Successful number of PDN-GW initiated Dedicated Bearer Modification without QoS update p. 50

5.1.4.3 Failed number of PDN-GW initiated Dedicated Bearer Modification without QoS update p. 50

5.1.5 Active EPS Bearers related measurements for EPC |R9| p. 50

5.1.5.0 General |R15| p. 50

5.1.5.1 Mean Number of Active EPS Bearers p. 50

5.1.5.2 Max Number of Active EPS Bearers p. 51

5.1.6 UE requested bearer resource modification related measurements for EPC |R9| p. 51

5.1.6.0 General |R11| p. 51

5.1.6.1 Attempted UE requested bearer resource modification procedure p. 51

5.1.6.2 Successful UE requested bearer resource modification procedure p. 52

5.1.6.3 Failed UE requested bearer resource modification procedure p. 52

5.1.7 PDN Connections related measurements for EPC |R9| p. 52

5.1.7.0 General |R15| p. 52

5.1.7.1 Mean Number of PDN Connections, per APN p. 52

5.1.7.2 Max Number of PDN Connections, per APN p. 53

5.1.8 Number of EPS bearer |R11| p. 53

5.1.8.0 General |R15| p. 53

5.1.8.1 Mean number of EPS bearers p. 53

5.1.8.2 Maximum number of EPS bearers p. 53

5.2 SGi related measurements |R9| p. 54

5.2.0 General |R15| p. 54

5.2.1 SGi incoming link usage p. 54

5.2.2 SGi outgoing link usage p. 54

5.3 PFCP session related measurements |R15| p. 55

5.3.1 PCFP session establishment procedure p. 55

5.3.1.0 General p. 55

5.3.1.1 Attempted number of PFCP session establishment p. 55

5.3.1.2 Successful number of PFCP session establishment p. 55

5.3.1.3 Failed number of PFCP session establishment p. 55

5.3.2 PCFP session modification procedure p. 56

5.3.2.0 General p. 56

5.3.2.1 Attempted number of PFCP session modification p. 56

5.3.2.2 Successful number of PFCP session modification p. 56

5.3.2.3 Failed number of PFCP session modification p. 56

5.3.3 PCFP session deletion procedure p. 57

5.3.3.0 General p. 57

5.3.3.1 Attempted number of PFCP session deletion p. 57

5.3.3.2 Successful number of PFCP session deletion p. 57

5.3.3.3 Failed number of PFCP session deletion p. 58

5.3.4 PFCP session report procedure p. 58

5.3.4.0 General p. 58

5.3.4.1 Attempted number of PFCP session report p. 58

5.3.4.2 Successful number of PFCP session report p. 58

5.3.4.3 Failed number of PFCP session report p. 59