Content for TR 28.813 Word version: 17.0.0
4 Key Issues and potential solutions p. 9
4.1 Key Issue #1: EE KPI in case of NG-RAN sharing p. 9
4.1.1 Description p. 9
4.1.1.1 Existing NG-RAN EE KPI and related measurements p. 9
4.1.1.2 5G RAN sharing p. 10
4.1.1.3 Problem statement p. 10
4.1.2 Potential solutions p. 11
4.1.2.1 Potential solution #1: EE KPI with estimated Energy Consumption p. 11
4.1.2.1.1 Introduction p. 11
4.1.2.1.2 Description p. 11
4.1.2.2 Potential solution #2: EE KPI with measured Energy Consumption p. 11
4.1.2.2.1 Introduction p. 11
4.1.2.2.2 Description p. 12
4.1.3 Conclusion - Impact on normative work p. 12
4.2 Key Issue #2: EE KPI for 5GC p. 12
4.2.1 Description p. 12
4.2.2 Potential solutions p. 13
4.2.2.1 Potential solution #1 for DV5GC: User Plane DV based solution p. 13
4.2.2.1.1 Introduction p. 13
4.2.2.1.2 Potential alternative#1 - based on N3 interface p. 13
4.2.2.1.2.1 Introduction p. 13
4.2.2.1.2.2 Description p. 13
4.2.2.1.3 Potential alternative#2 - based on N6 interface p. 14
4.2.2.1.3.1 Introduction p. 14
4.2.2.1.3.2 Description p. 14
4.2.2.2 Potential solution #2 for DV5GC: User + Control Plane DV based solution p. 14
4.2.2.2.1 Introduction p. 14
4.2.2.2.2 Description p. 15
4.2.2.3 Potential solution #3: Useful Output based solution p. 15
4.2.2.3.1 Introduction p. 15
4.2.2.3.2 Description p. 15
4.2.3 Conclusion - Impact on normative work p. 16
4.2a Key Issue #2a: Resource Efficiency KPI for 5GC p. 16
4.2a.1 Description p. 16
4.2a.2 Potential solutions p. 17
4.2a.2.1 Potential solution #1 for ResourceConsumption5GC Estimation p. 17
4.2a.2.1.1 Introduction p. 17
4.2a.2.1.2 Description p. 17
4.2a.2.2 Potential solution #2 for measuring UsefulOutput5GC p. 19
4.2a.2.2.1 Introduction p. 19
4.2a.2.2.2 Description p. 20
4.2a.3 Conclusion - Impact on normative work p. 21
4.3 Key Issue #3: Network data analysis assisted energy saving p. 21
4.3.1 Description p. 21
4.3.2 Potential solutions p. 22
4.3.2.1 Potential solution #1: OA&M centric energy saving p. 22
4.3.2.1.1 Introduction p. 22
4.3.2.1.2 Description p. 22
4.3.3 Conclusion - Impact on normative work p. 26
4.4 Key Issue #4: EE KPI for network slice types p. 26
4.4.1 Description p. 26
4.4.2 Potential solutions p. 27
4.4.2.1 Potential solution #1: Performance of network slice for eMBB p. 27
4.4.2.1.1 Introduction p. 27
4.4.2.1.2 Description p. 27
4.4.2.1a Potential solution #1a: Performance of RAN-only network slice for eMBB p. 27
4.4.2.1a.1 Introduction p. 27
4.4.2.1a.2 Description p. 28
4.4.2.2 Potential solution #2: Performance of network slice for URLLC p. 29
4.4.2.2.1 Introduction p. 29
4.4.2.2.2 Description p. 29
4.4.2.2a Potential solution #2a: Performance of network slice for URLLC p. 29
4.4.2.2a.1 Introduction p. 29
4.4.2.2a.2 Description p. 29
4.4.2.3 Potential solution #3: Performance of network slice for MIoT p. 30
4.4.3 Conclusion - Impact on normative work p. 31
4.5 Key Issue #5: 5GC NF Energy Consumption estimation p. 32
4.5.1 Description p. 32
4.5.2 Potential solutions p. 32
4.5.2.1 Potential solution #1: 5GC NF EC estimation based on relative vCPU usage p. 32
4.5.2.1.1 Introduction p. 32
4.5.2.1.2 Description p. 36
4.5.3 Conclusion - Impact on normative work p. 39
4.6 Key Issue #6: Energy saving in 5G NR based on service type p. 39
4.6.1 Description p. 39
4.6.2 Potential solutions p. 40
4.6.2.1 Potential solution #1: Energy saving in 5G NR based on service related information p. 40
4.6.2.1.1 Introduction p. 40
4.6.2.1.2 Description p. 40
4.6.3 Conclusion - Impact on normative work p. 40
4.7 Key Issue #7: Area based energy saving p. 41
4.7.1 Description p. 41
4.7.2 Potential solutions p. 42
4.7.2.1 Potential solution #1: Centralized energy saving for RAN domain area p. 42
4.7.2.1.1 Introduction p. 42
4.7.2.1.2 Description p. 42
4.7.2.2 Potential solution #2: Area based energy efficiency improvement p. 45
4.7.2.2.1 Introduction p. 45
4.7.2.2.2 Description p. 45
4.7.3 Conclusion - Impact on normative work p. 46
4.8 Key Issue #8: Network slice energy consumption p. 46
4.8.1 Description p. 46
4.8.2 Potential solutions p. 46
4.8.2.1 Potential solution #1: Sum of participating NF EC's p. 46
4.8.2.1.1 Introduction p. 46
4.8.2.1.2 Description p. 46
4.8.3 Conclusion - Impact on normative work p. 47
4.9 Key Issue #9: 5GC Energy Consumption p. 47
4.9.1 Description p. 47
4.9.2 Potential solutions p. 47
4.9.2.1 Potential solution #1 p. 47
4.9.2.1.1 Introduction p. 47
4.9.2.1.2 Description p. 47
4.9.3 Conclusion - Impact on normative work p. 47
4.10 Key Issue #10: TR 21.866 EE control framework p. 48
$ Change history p. 50
