ETSI TS 128 552 V16.20.0 (2025-04)

5G; Management and orchestration; 5G performance measurements (3GPP TS 28.552 version 16.20.0 Release 16)

RTS/TSGS-0528552vgk0

General Information

• Status: Not Published
• Technical Committee: 3GPP SA 5 - Telecom Management
• Current Stage: 12 - Citation in the OJ (auto-insert)
• Completion Date: 04-Apr-2025

Standards Content (Sample)

TECHNICAL SPECIFICATION
5G;
Management and orchestration;
5G performance measurements
(3GPP TS 28.552 version 16.20.0 Release 16)

3GPP TS 28.552 version 16.20.0 Release 16 1 ETSI TS 128 552 V16.20.0 (2025-04)

Reference
RTS/TSGS-0528552vGK0
Keywords
5G
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3GPP TS 28.552 version 16.20.0 Release 16 2 ETSI TS 128 552 V16.20.0 (2025-04)
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ETSI
3GPP TS 28.552 version 16.20.0 Release 16 3 ETSI TS 128 552 V16.20.0 (2025-04)
Contents
Intellectual Property Rights . 2
Legal Notice . 2
Modal verbs terminology . 2
Foreword . 14
1 Scope . 15
2 References . 15
3 Definitions, abbreviations and measurement family . 17
3.1 Definitions . 17
3.2 Abbreviations . 17
3.3 Measurement family . 17
4 Concepts and overview . 18
4.1 Performance indicators . 18
5 Performance measurements for 5G network functions . 19
5.1 Performance measurements for gNB . 19
5.1.0 Relation to RAN L2 measurement specification . 19
5.1.1 Performance measurements valid for all gNB deployment scenarios . 19
5.1.1.1 Packet Delay . 19
5.1.1.1.1 Average delay DL air-interface . 19
5.1.1.1.2 Distribution of delay DL air-interface . 20
5.1.1.1.3 Average delay UL on over-the-air interface . 20
5.1.1.1.4 Average RLC packet delay in the UL . 21
5.1.1.1.5 Average PDCP re-ordering delay in the UL . 21
5.1.1.1.6 Distribution of DL delay between NG-RAN and UE . 21
5.1.1.1.7 Distribution of UL delay between NG-RAN and UE . 22
5.1.1.1.8 DL packet delay between NG-RAN and PSA UPF . 23
5.1.1.2 Radio resource utilization . 24
5.1.1.2.1 DL Total PRB Usage . 24
5.1.1.2.2 UL Total PRB Usage . 24
5.1.1.2.3 Distribution of DL Total PRB Usage . 25
5.1.1.2.4 Distribution of UL total PRB usage. 25
5.1.1.2.5 DL PRB used for data traffic . 26
5.1.1.2.6 DL total available PRB . 26
5.1.1.2.7 UL PRB used for data traffic . 27
5.1.1.2.8 UL total available PRB . 27
5.1.1.3 UE throughput . 27
5.1.1.3.1 Average DL UE throughput in gNB . 27
5.1.1.3.2 Distribution of DL UE throughput in gNB . 28
5.1.1.3.3 Average UL UE throughput in gNB . 30
5.1.1.3.4 Distribution of UL UE throughput in gNB . 31
5.1.1.3.5 Percentage of unrestricted DL UE data volume in gNB . 32
5.1.1.3.6 Percentage of unrestricted UL UE data volume in gNB . 33
5.1.1.4 RRC connection number . 34
5.1.1.4.1 Mean number of RRC Connections . 34
5.1.1.4.2 Max number of RRC Connections . 34
5.1.1.4.3 Mean number of stored inactive RRC Connections . 35
5.1.1.4.4 Max number of stored inactive RRC Connections . 35
5.1.1.5 PDU Session Management . 35
5.1.1.5.1 Number of PDU Sessions requested to setup . 35
5.1.1.5.2 Number of PDU Sessions successfully setup . 36
5.1.1.5.3 Number of PDU Sessions failed to setup . 36
5.1.1.6 Mobility Management . 37
5.1.1.6.1 Inter-gNB handovers . 37
5.1.1.6.1.1 Number of requested legacy handover preparations . 37
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5.1.1.6.1.2 Number of successful legacy handover preparations . 37
5.1.1.6.1.3 Number of failed legacy handover preparations . 37
5.1.1.6.1.4 Number of requested legacy handover resource allocations . 38
5.1.1.6.1.5 Number of successful legacy handover resource allocations . 38
5.1.1.6.1.6 Number of failed legacy handover resource allocations . 39
5.1.1.6.1.7 Number of requested legacy handover executions . 39
5.1.1.6.1.8 Number of successful legacy handover executions . 39
5.1.1.6.1.9 Number of failed legacy handover executions . 40
5.1.1.6.1.10 Mean Time of requested legacy handover executions . 40
5.1.1.6.1.11 Max Time of requested legacy handover executions . 41
5.1.1.6.2 Intra-gNB handovers . 41
5.1.1.6.2.1 Number of requested legacy handover executions . 41
5.1.1.6.2.2 Number of successful legacy handover executions . 42
5.1.1.6.3 Handovers between 5GS and EPS . 42
5.1.1.6.3.1 Number of requested preparations for handovers from 5GS to EPS . 42
5.1.1.6.3.2 Number of successful preparations for handovers from 5GS to EPS . 42
5.1.1.6.3.3 Number of failed preparations for handovers from 5GS to EPS . 43
5.1.1.6.3.4 Number of requested resource allocations for handovers from EPS to 5GS. 43
5.1.1.6.3.5 Number of successful resource allocations for handovers from EPS to 5GS . 43
5.1.1.6.3.6 Number of failed resource allocations for handovers from EPS to 5GS . 44
5.1.1.6.3.7 Number of requested executions for handovers from 5GS to EPS . 44
5.1.1.6.3.8 Number of successful executions for handovers from 5GS to EPS . 44
5.1.1.6.3.9 Number of failed executions for handovers from 5GS to EPS . 45
5.1.1.7 TB related Measurements . 45
5.1.1.7.1 Total number of DL initial TBs . 45
5.1.1.7.2 Intial error number of DL TBs . 45
5.1.1.7.3 Total number of DL TBs . 46
5.1.1.7.4 Total error number of DL TBs . 46
5.1.1.7.5 Residual error number of DL TBs . 47
5.1.1.7.6 Total number of UL initial TBs . 47
5.1.1.7.7 Error number of UL initial TBs . 47
5.1.1.7.8 Total number of UL TBs . 48
5.1.1.7.9 Total error number of UL TBs . 48
5.1.1.7.10 Residual error number of UL TBs . 48
5.1.1.8 Void. 49
5.1.1.9 Void. 49
5.1.1.10 DRB related measurements . 49
5.1.1.10.1 Number of DRBs attempted to setup . 49
5.1.1.10.2 Number of DRBs successfully setup . 49
5.1.1.10.3 Number of released active DRBs . 50
5.1.1.10.4 In-session activity time for DRB . 51
5.1.1.10.5 Number of Initial DRBs attempted to setup . 51
5.1.1.10.6 Number of Initial DRBs successfully setup . 52
5.1.1.11 CQI related measurements . 52
5.1.1.11.1 Wideband CQI distribution . 52
5.1.1.12 MCS related Measurements . 53
5.1.1.12.1 MCS Distribution in PDSCH . 53
5.1.1.12.2 MCS Distribution in PUSCH . 53
5.1.1.13 QoS flow related measurements . 53
5.1.1.13.1 QoS flow release. 53
5.1.1.13.1.2 Number of QoS flows attempted to release . 54
5.1.1.13.2 QoS flow activity . 55
5.1.1.13.3 QoS flow setup . 56
5.1.1.13.3.1 Number of QoS flow attempted to setup. 56
5.1.1.13.3.2 Number of QoS flow successfully established . 56
5.1.1.13.3.3 Number of QoS flow failed to setup . 57
5.1.1.13.4 QoS flow modification . 58
5.1.1.13.4.1 Number of QoS flows attempted to modify . 58
5.1.1.13.4.2 Number of QoS flows successfully modified . 59
5.1.1.13.4.3 Number of QoS flows failed to modify. 59
5.1.1.14 Void. 59
5.1.1.15 RRC connection establishment related measurements . 59
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5.1.1.15.1 Attempted RRC connection establishments . 59
5.1.1.15.2 Successful RRC connection establishments . 60
5.1.1.16 UE-associated logical NG-connection related measurements . 60
5.1.1.16.1 Attempted UE-associated logical NG-connection establishment from gNB to AMF . 60
5.1.1.16.2 Successful UE-associated logical NG-connection establishment from gNB to AMF . 61
5.1.1.17 RRC Connection Re-establishment . 61
5.1.1.17.1 Number of RRC connection re-establishment attempts . 61
5.1.1.17.2 Successful RRC connection re-establishment with UE context . 61
5.1.1.17.3 Successful RRC connection re-establishment without UE context . 62
5.1.1.18 RRC Connection Resuming . 62
5.1.1.18.1 Number of RRC connection resuming attempts . 62
5.1.1.18.2 Successful RRC connection resuming . 62
5.1.1.18.3 Successful RRC connection resuming with fallback . 63
5.1.1.18.4 RRC connection resuming followed by network release . 63
5.1.1.18.5 RRC connection resuming followed by network suspension . 63
5.1.1.19 Power, Energy and Environmental (PEE) measurements . 64
5.1.1.19.1 Applicability of measurements . 64
5.1.1.19.2 PNF Power Consumption . 64
5.1.1.19.2.1 Average Power . 64
5.1.1.19.2.2 Minimum Power . 64
5.1.1.19.2.3 Maximum Power . 64
5.1.1.19.3 PNF Energy consumption . 65
5.1.1.19.4 PNF Temperature . 65
5.1.1.19.4.1 Average Temperature. 65
5.1.1.19.4.2 Minimum Temperature . 65
5.1.1.19.4.3 Maximum Temperature . 65
5.1.1.19.5 PNF Voltage . 66
5.1.1.19.6 PNF Current . 66
5.1.1.19.7 PNF Humidity . 66
5.1.1.20 Received Random Access Preambles. 67
5.1.1.20.1 Received Random Access Preambles per cell . 67
5.1.1.20.2 Received Random Access Preambles per SSB . 67
5.1.1.20.3 Distribution of number of RACH preambles per cell . 68
5.1.1.20.4 Distribution of RACH access delay . 68
5.1.1.21 Intra-NRCell SSB Beam switch Measurement . 69
5.1.1.21.1 Number of requested Intra-NRCell SSB Beam switch executions . 69
5.1.1.21.2 Number of successful Intra-NRCell SSB Beam switch executions . 69
5.1.1.22 RSRP Measurement . 70
5.1.1.22.1 SS-RSRP distribution per SSB . 70
5.1.1.23 Number of Active Ues . 70
5.1.1.23.1 Number of Active UEs in the DL per cell . 70
5.1.1.23.2 Max number of Active UEs in the DL per cell . 71
5.1.1.23.3 Number of Active UEs in the UL per cell . 71
5.1.1.23.4 Max number of Active UEs in the UL per cell . 71
5.1.1.24 5QI 1 QoS Flow Duration . 72
5.1.1.24.1 Average Normally Released Call (5QI 1 QoS Flow) Duration . 72
5.1.1.24.2 Average Abnormally Released Call (5QI 1 QoS Flow) Duration . 72
5.1.1.25 Measurements related to MRO . 73
5.1.1.25.1 Handover failures related to MRO for intra-system mobility . 73
5.1.1.25.2 Handover failures related to MRO for inter-system mobility . 74
5.1.1.25.3 Unnecessary handovers for inter-system mobility . 74
5.1.1.25.4 Handover ping-pong for inter-system mobility . 74
5.1.1.26 PHR Measurement . 75
5.1.1.26.1 Type 1 power headroom distribution . 75
5.1.1.27 Paging Measurement . 75
5.1.1.27.1 Number of CN Initiated paging records received by the gNB-CU . 75
5.1.1.27.2 Number of NG-RAN Initiated paging records received by the gNB-CU . 76
5.1.1.27.3 Number of paging records received by the NRCellDU . 76
5.1.1.27.4 Number of CN Initiated paging records discarded at the gNB-CU . 76
5.1.1.27.5 Number of NG-RAN Initiated paging records discarded at the gNB-CU . 76
5.1.1.27.6 Number of paging records discarded at the NRCellDU . 77
5.1.1.28 SSB beam related Measurement . 77
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5.1.1.28.1 Number of UE related the SSB beam Index (mean) . 77
5.1.1.29 Transmit power utilization measurements . 77
5.1.1.29.1 Maximum transmit power of NR cell . 77
5.1.1.29.2 Mean transmit power of NR cell . 78
5.1.2 Performance measurements valid only for non-split gNB deployment scenario . 78
5.1.2.1 PDCP Data Volume . 78
5.1.2.1.1 DL PDCP SDU Data Volume Measurements . 78
5.1.2.1.2 UL PDCP SDU Data Volume Measurements . 80
5.1.3 Performance measurements valid for split gNB deployment scenario . 81
5.1.3.1 Packet Loss Rate . 81
5.1.3.1.1 UL PDCP SDU Loss Rate . 81
5.1.3.1.2 UL F1-U Packet Loss Rate . 82
5.1.3.1.3 DL F1-U Packet Loss Rate . 82
5.1.3.2 Packet Drop Rate . 83
5.1.3.2.1 DL PDCP SDU Drop rate in gNB-CU-UP . 83
5.1.3.2.2 DL RLC SDU Packet Drop Rate in gNB-DU . 84
5.1.3.3 Packet delay . 84
5.1.3.3.1 Average delay DL in CU-UP . 84
5.1.3.3.2 Average delay DL on F1-U . 85
5.1.3.3.3 Average delay DL in gNB-DU . 85
5.1.3.3.4 Distribution of delay DL in CU-UP . 86
5.1.3.3.5 Distribution of delay DL on F1-U . 86
5.1.3.3.6 Distribution of delay DL in gNB-DU . 87
5.1.3.4 IP Latency measurements . 87
5.1.3.4.1 General information . 87
5.1.3.4.2 Average IP Latency DL in gNB-DU . 87
5.1.3.4.3 Distribution of IP Latency DL in gNB-DU . 88
5.1.3.5 UE Context Release . 88
5.1.3.5.1 UE Context Release Request (gNB-DU initiated) . 88
5.1.3.5.2 Number of UE Context Release Requests (gNB-CU initiated) . 89
5.1.3.6 PDCP data volume measurements . 89
5.1.3.6.1 PDCP PDU data volume Measurement . 89
5.1.3.6.2 PDCP SDU data volume Measurement . 90
5.1.3.7 Handovers measurements . 93
5.1.3.7.1 Intra-gNB handovers . 93
5.1.3.7.1.1 Number of requested handover preparations . 93
5.1.3.7.1.2 Number of successful handover preparations . 93
5.1.3.8 Distribution of Normally Released Call (5QI 1 QoS Flow) Duration . 93
5.1.3.9 Distribution of Abnormally Released Call (5QI 1 QoS Flow) Duration . 94
5.2 Performance measurements for AMF. 94
5.2.1 Registered subscribers measurement . 94
5.2.1.1 Mean number of registered subscribers. 94
5.2.1.2 Maximum number of registered subscribers . 95
5.2.2 Registration procedure related measurements . 95
5.2.2.1 Number of initial registration requests . 95
5.2.2.2 Number of successful initial registrations . 95
5.2.2.3 Number of mobility registration update requests . 96
5.2.2.4 Number of successful mobility registration updates . 96
5.2.2.5 Number of periodic registration update requests. 96
5.2.2.6 Number of successful periodic registration updates . 97
5.2.2.7 Number of emergency registration requests . 97
5.2.2.8 Number of successful emergency registrations . 97
5.2.2.9 Mean time of Registration procedure . 98
5.2.2.10 Max time of Registration procedure . 98
5.2.3 Service Request procedure related measurements . 99
5.2.3.1 Number of attempted network initiated service requests . 99
5.2.3.2 Number of successful network initiated service requests . 99
5.2.3.3 Total number of attempted service requests (including both network initiated and UE initiated) . 100
5.2.3.4 Total number of successful service requests (including both network initiated and UE initiated) . 100
5.2.4 Measurements related to registration via untrusted non-3GPP access . 100
5.2.4.1 Number of initial registration requests via untrusted non-3GPP access . 100
5.2.4.2 Number of successful initial registrations via untrusted non-3GPP access . 101
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5.2.4.3 Number of mobility registration update requests via untrusted non-3GPP access . 101
5.2.4.4 Number of successful mobility registration updates via untrusted non-3GPP access . 101
5.2.4.5 Number of periodic registration update requests via untrusted non-3GPP access . 102
5.2.4.6 Number of successful periodic registration updates via untrusted non-3GPP access . 102
5.2.4.7 Number of emergency registration requests via untrusted non-3GPP access . 102
5.2.4.8 Number of successful emergency registrations via untrusted non-3GPP access . 103
5.2.5 Mobility related measurements . 103
5.2.5.1 Inter-AMF handovers . 103
5.2.5.1.1 Number of PDU sessions requested for inter-AMF incoming handovers . 103
5.2.5.1.2 Number of PDU sessions failed to setup for inter-AMF incoming handovers . 104
5.2.5.1.3 Number of QoS flows requested for inter-AMF incoming handovers . 104
5.2.5.1.4 Number of QoS flows failed to setup for inter-AMF incoming handovers . 104
5.2.5.2 Measurements for 5G paging . 105
5.2.5.2.1 Number of 5G paging procedures. 105
5.2.5.2.2 Number of successful 5G paging procedures . 105
5.2.5.3 Handovers from 5GS to EPS . 106
5.2.5.3.1 Number of attempted handovers from 5GS to EPS via N26 interface . 106
5.2.5.3.2 Number of successful handovers from 5GS to EPS via N26 interface . 106
5.2.5.3.3 Number of failed handovers from 5GS to EPS via N26 interface . 106
5.2.5.4 Handovers from EPS to 5GS . 107
5.2.5.4.1 Number of attempted handovers from EPS to 5GS via N26 interface . 107
5.2.5.4.2 Number of successful handovers from EPS to 5GS via N26 interface . 107
5.2.5.4.3 Number of failed handovers from EPS to 5GS via N26 interface . 107
5.2.6 Measurements related to Service Requests via Untrusted non-3GPP Access . 108
5.2.6.1 Number of attempted service requests via Untrusted non-3GPP Access . 108
5.2.6.2 Number of successful service requests via Untrusted non-3GPP Access . 108
5.2.7 Measurements related to SMS over NAS . 108
5.2.7.1 Registration of SMS over NAS . 108
5.2.7.1.1 Number of registration requests for SMS over NAS via 3GPP access . 108
5.2.7.1.2 N
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