Content for TR 23.700-66 Word version: 19.0.0
5 Key Issues
6 Solutions
7 Overall Evaluation
8 Conclusions
A Energy consumption collection at OAM
$ Change history
5 Key Issues p. 13
5.1 Key Issue #1: Network energy related information exposure p. 13
5.1.1 Description p. 13
5.2 Key Issue #2: Subscription and policy control to support energy efficiency and energy saving as service criteria p. 14
5.2.1 Description p. 14
5.3 Key Issue #3: 5GS enhancements for network energy saving and efficiency p. 14
5.3.1 Description p. 14
6 Solutions p. 15
6.0 Mapping of Solutions to Key Issues p. 15
6.1 Solution #1: Energy related information collection and exposure p. 15
6.1.1 Key Issue mapping p. 15
6.1.2 Functional Description p. 16
6.1.3 Procedures p. 17
6.1.4 Impacts on existing services, entities and interfaces p. 18
6.2 Solution #2: Network energy related information exposure p. 19
6.2.1 Key Issue mapping p. 19
6.2.2 Functional Description p. 19
6.2.3 Procedures p. 19
6.2.4 Impacts on existing services, entities and interfaces p. 21
6.3 Solution #3: Enhanced network exposure and analytics for energy saving p. 22
6.3.1 Key Issue mapping p. 22
6.3.2 Description p. 22
6.3.3 Procedures p. 23
6.3.4 Impacts on services, entities and interfaces p. 24
6.4 Solution #4: Renewable energy ratio information exposure p. 24
6.4.1 Key Issue mapping p. 24
6.4.2 Functional Description p. 24
6.4.2.1 Input data p. 25
6.4.2.2 Output analytics p. 25
6.4.3 Procedures p. 25
6.4.4 Impacts on existing services, entities and interfaces p. 26
6.5 Solution #5: Exposing energy usage information to 3rd party server p. 26
6.5.1 Key Issue mapping p. 26
6.5.2 Description p. 26
6.5.3 Procedures p. 26
6.5.4 Impacts on services, entities and interfaces p. 28
6.6 Solution #6: Energy information collection for service level p. 28
6.6.1 Key Issue mapping p. 28
6.6.2 Functional Description p. 28
6.6.3 Procedures p. 30
6.6.4 Impacts on existing services, entities and interfaces p. 30
6.7 Solution #7: Policy control for network energy saving p. 31
6.7.1 Key Issue mapping p. 31
6.7.2 Functional Description p. 31
6.7.3 Procedures p. 33
6.7.4 Impacts on existing services, entities and interfaces p. 34
6.8 Solution #8: Energy efficiency subscriptions and control p. 34
6.8.1 Key Issue mapping p. 34
6.8.2 Functional Description p. 35
6.8.3 Procedures p. 35
6.8.4 Impacts on existing services, entities and interfaces p. 36
6.9 Solution #9: Credit limit control according to subscription p. 36
6.9.1 Key Issue mapping p. 36
6.9.2 Functional Description p. 36
6.9.3 Procedures p. 37
6.9.4 Impacts on existing services, entities and interfaces p. 37
6.10 Solution #10: Enhancement for subscription and policy control to enable network energy savings with EECF p. 38
6.10.1 Key Issue mapping p. 38
6.10.2 Functional Description p. 38
6.10.2.1 Overview of EECF functionality p. 38
6.10.2.2 Key definitions p. 39
6.10.2.3 EECF communication with other network functions p. 39
6.10.2.4 EECF services and enhancement in other NF services p. 40
6.10.3 Procedures p. 41
6.10.3.1 Enhancements to PDU session establishment procedure with policy control for energy saving p. 41
6.10.4 Impacts on existing services, entities and interfaces p. 42
6.11 Solution #11: Policy changes due to EE criteria p. 42
6.11.1 Key issue mapping p. 43
6.11.2 Functional Description p. 43
6.11.2.1 General p. 43
6.11.2.2 URSP rules generation p. 44
6.11.2.3 Slice with the validity information generation p. 45
6.11.2.3.1 Slice with the validity time information p. 45
6.11.2.3.2 Slice partially support in registration area p. 45
6.11.2.4 Collection of the energy related information from the electricity company p. 45
6.11.3 Procedures p. 45
6.11.3.1 From OAM/NWDAF p. 46
6.11.3.2 From EMF p. 47
6.11.4 Impacts on existing services, entities and interfaces p. 47
6.12 Solution #12: Support for NWDAF-Based Energy Analytics p. 48
6.12.1 Key Issue mapping p. 48
6.12.2 Functional Description p. 48
6.12.2.1 General Description p. 49
6.12.2.2 Input Data of Energy Related Analytics p. 50
6.12.2.3 Energy Related Output Analytics p. 54
6.12.3 Procedures p. 60
6.12.4 Impacts on existing services, entities and interfaces p. 61
6.13 Solution #13: Energy Aware User Plane Path Adjustment p. 61
6.13.1 Key Issue mapping p. 61
6.13.2 Functional Description p. 61
6.13.3 Procedures p. 63
6.13.4 Impacts on existing services, entities and interfaces p. 64
6.14 Solution #14: UE energy usage control p. 65
6.14.1 Key Issue mapping p. 65
6.14.2 Functional Description p. 65
6.14.3 Procedures p. 66
6.14.4 Impacts on existing services, entities and interfaces p. 66
6.15 Solution #15: Enhancements to existing 5GS procedures for energy saving and policy control enforcement p. 67
6.15.1 Key Issue mapping p. 67
6.15.2 Functional Description p. 67
6.15.3 Procedures p. 68
6.15.3.1 Mobility Management procedures enhanced for energy saving p. 68
6.15.3.2 AM policy control to achieve energy efficiency and energy saving p. 69
6.15.3.3 Session Management procedures enhanced for energy saving p. 72
6.15.4 Impacts on existing services, entities and interfaces p. 73
6.16 Solution #16: Energy Brokerage Function for energy related information acquisition and processing p. 74
6.16.1 Key Issue mapping p. 74
6.16.2 Functional Description p. 74
6.16.3 Procedures p. 74
6.16.3.1 Interactions between EBF and OAM p. 74
6.16.3.2 EBF Service Operation p. 75
6.16.3.3 Service operations inputs p. 78
6.16.4 Impacts on existing services, entities and interfaces p. 78
6.17 Solution #17: Energy related information collection based on two granularities p. 78
6.17.1 Key Issue mapping p. 78
6.17.2 Functional Description p. 79
6.17.2.1 Principles about how related information is determined and processed energy p. 79
6.17.2.2 Architectural model and functional entities p. 79
6.17.3 Procedures p. 80
6.17.4 Impacts on existing services, entities and interfaces p. 83
6.18 Solution #18: Collecting of Energy Consumption information on per UE level (RAN assisted) p. 84
6.18.1 Key Issue mapping p. 84
6.18.2 Functional Description p. 84
6.18.3 Procedures p. 85
6.18.4 Impacts on existing services, entities and interfaces p. 87
6.19 Solution #19: NG-RAN node QoS flow PDU session and UE level energy related information report p. 88
6.19.1 Key Issue mapping p. 88
6.19.2 Functional Description p. 88
6.19.3 Procedures p. 89
6.19.4 Impacts on existing services, entities and interfaces p. 90
6.20 Solution #20: Exposure, charging and handling of energy related information based on UP reporting from RAN p. 90
6.20.1 Key Issue mapping p. 90
6.20.2 Functional Description p. 90
6.20.2.1 Introduction p. 90
6.20.2.2 General overview p. 92
6.20.3 Procedures p. 93
6.20.4 Impacts on existing services, entities and interfaces p. 94
6.21 Solution #21: Credit limit control based on UE's subscription p. 95
6.21.1 Description p. 95
6.21.2 Procedures p. 95
6.21.3 Impacts on Existing Nodes and Functionality p. 98
6.22 Solution #22: Energy related UE subscription information p. 98
6.22.1 Key Issue mapping p. 98
6.22.2 Functional Description p. 98
6.22.3 Procedures p. 99
6.22.4 Impacts on existing services, entities and interfaces p. 99
6.23 Solution #23: Energy credit Provisioning and Energy credit based policy control for UE level p. 100
6.23.1 Key Issue mapping p. 100
6.23.2 Functional Description p. 100
6.23.3 Procedures p. 101
6.23.4 Impacts on existing services, entities and interfaces p. 102
6.24 Solution #24: Subscription enhancements for energy savings in RAN p. 103
6.24.1 Key Issue mapping p. 103
6.24.2 Functional Description p. 103
6.24.3 Procedures p. 103
6.24.4 Impacts on existing services, entities and interfaces p. 103
6.25 Solution #25: Enhancement for BDT with Energy related analytics p. 104
6.25.1 Key Issue mapping p. 104
6.25.2 Functional Description p. 104
6.25.3 Procedure p. 105
6.25.3.1 Procedure for Negotiation for future BDT with Energy related analytics p. 105
6.25.3.2 Procedure for BDT warning notification with Energy related analytics p. 107
6.25.4 Impacts on existing services, entities and interfaces p. 107
6.26 Solution #26: Energy Aware Data Transfer Policy Negotiation p. 108
6.26.1 Key Issue mapping p. 108
6.26.2 Functional Description p. 108
6.26.3 Procedures p. 110
6.26.4 Impacts on existing services, entities and interfaces p. 111
6.27 Solution #27: AF Session with Energy Savings Criteria p. 112
6.27.1 Key Issue mapping p. 112
6.27.2 Functional Description p. 112
6.27.3 Procedures p. 112
6.27.4 Impacts on existing services, entities and interfaces p. 114
6.28 Solution #28: Energy related QoS profile and Alternative QoS profile provisioning p. 114
6.28.1 Key issue mapping p. 114
6.28.2 Functional Description p. 114
6.28.2.1 General p. 114
6.28.2.2 Energy related QoS profile p. 115
6.28.2.3 Energy related Alternative QoS profile p. 117
6.28.3 Procedures p. 119
6.28.4 Impacts on existing services, entities and interfaces p. 120
6.29 Solution #29: NF selection based on energy related information p. 120
6.29.1 Key Issue mapping p. 120
6.29.2 Functional Description p. 120
6.29.3 Procedures p. 122
6.29.3.1 General p. 122
6.29.3.2 Network Function registration procedure p. 123
6.29.3.3 Network Function update procedure p. 123
6.29.3.4 Network Function discovery and selection procedure p. 124
6.29.3.5 Network Function status subscribe and notify procedure p. 125
6.29.3.6 Selection of the UPF with considering energy related information p. 125
6.29.3.7 UPF re-selection considering energy information procedure p. 126
6.29.3.8 Selection of the AMF considering energy related information p. 127
6.29.3.9 Selection of the SMF considering energy related information p. 127
6.29.3.10 NF selection based on time-based energy states/information from NRF p. 129
6.29.3.11 NF selection based on runtime energy state information received in service interactions between NFs p. 129
6.29.4 Impacts on existing services, entities and interfaces p. 130
6.30 Solution #30: Network optimization for energy saving per S-NSSAI p. 131
6.30.1 Key Issue mapping p. 131
6.30.2 Functional Description p. 131
6.30.3 Procedures p. 132
6.30.3.1 NSAC number of UE or PDU session adjustment based on input from EECF p. 132
6.30.3.2 NSAC based on energy consumption admission threshold p. 133
6.30.3.3 Procedure of network slice admission control by EECF based on energy consumption information p. 134
6.30.4 Impacts on existing services, entities and interfaces p. 135
6.31 Solution #31: Energy usage parameters provision via NEF p. 136
6.31.1 Key Issue mapping p. 136
6.31.2 Functional Description p. 136
6.31.3 Procedures p. 137
6.31.4 Impacts on existing services, entities and interfaces p. 137
6.32 Solution #32: Energy Information Analytics for network energy saving support by NWDAF p. 138
6.32.1 Key Issue mapping p. 138
6.32.2 Functional Description p. 138
6.32.3 Procedures p. 138
6.32.4 Impacts on existing services, entities and interfaces p. 139
6.33 Solution #33: Enhancement for AF influence on traffic routing with Energy related analytics p. 139
6.33.1 Key Issue mapping p. 139
6.33.2 Functional Description p. 139
6.33.3 Procedure p. 140
6.33.4 Impacts on existing services, entities and interfaces p. 141
6.34 Solution #34: Network energy saving with UPF relocation p. 142
6.34.1 Key Issue mapping p. 142
6.34.2 Functional Description p. 142
6.34.3 Procedures p. 143
6.34.4 Impacts on existing services, entities and interfaces p. 144
6.35 Solution #35: Temporary sharing of resources among operators p. 144
6.35.1 Key Issue mapping p. 144
6.35.2 Functional Description p. 144
6.35.3 Procedures p. 145
6.35.3.1 EE roaming impact on registration/SIB p. 145
6.35.3.2 Opportunistic Energy Saving network sharing p. 148
6.35.4 Impacts on existing services, entities and interface p. 148
6.36 Solution #36: Session control for network energy saving p. 149
6.36.1 Key Issue mapping p. 149
6.36.2 Functional Description p. 149
6.36.3 Procedures p. 149
6.36.4 Impacts on existing services, entities and interfaces p. 151
6.37 Solution #37: Energy efficiency and Energy saving in supporting edge computing p. 151
6.37.1 Key Issue mapping p. 151
6.37.2 Functional Description p. 151
6.37.3 Procedures p. 153
6.37.3.1 Procedures of enhancement EAS discovery p. 153
6.37.3.2 Procedures of enhancement Traffic influence p. 153
6.37.3.3 Procedures to request energy related information p. 154
6.37.3.4 Procedures to AF provision EAS internal energy consumption p. 155
6.37.4 Impacts on existing services, entities and interfaces p. 155
6.38 Solution #38: Policy control for multiple accesses based on network energy related information p. 155
7 Overall Evaluation p. 158
8 Conclusions p. 158
8.1 Conclusion for KI#1: Network energy related information exposure p. 158
8.2 Conclusion for Key Issue #2: Subscription and policy control to support energy efficiency and energy saving as service criteria p. 159
8.3 Conclusion for Key Issue #3: 5GS enhancements for network energy saving and efficiency p. 160
A Energy consumption collection at OAM p. 161
A.1 General p. 161
$ Change history p. 163
