TR 28.913
Study on new aspects of Energy Efficiency (EE) for 5G Phase 2
V18.0.1 (PDF)
2023/06 32 p.
- Rapporteur:
- Dr. CORNILY, Jean-Michel
Huawei Technologies France
full Table of Contents for TR 28.913 Word version: 18.0.1
1 Scope
2 References
3 Definitions of terms, symbols and abbreviations
4 Key Issues and potential solutions
$ Change history
1 Scope p. 7
The present document investigates the opportunities for defining new Energy Efficiency (EE) KPIs and new Energy Saving (ES) solutions for 5G. It identifies and documents key issues related to energy efficiency and energy saving, documents and evaluates potential solutions, and provides recommendations for the normative work.
2 References p. 7
3 Definitions of terms, symbols and abbreviations p. 8
4 Key Issues and potential solutions p. 8
4.1 Key Issue #1: Considering additional virtual resources usage to estimate VNF energy consumption p. 8
4.1.1 Description p. 8
4.1.2 Potential solutions p. 9
4.1.2.1 Potential solution #1: Estimated virtual compute resource instance energy consumption based on mean vCPU and vDisk usage p. 9
4.1.2.1.1 Introduction p. 9
4.1.2.1.2 Description p. 9
4.1.2.2 Potential solution #2: Estimated virtual compute resource instance energy consumption based on mean vDisk usage p. 9
4.1.2.2.1 Introduction p. 9
4.1.2.2.2 Description p. 10
4.1.2.3 Potential solution #3: Consideration of four types of metrics provided by NFV MANO p. 10
4.1.2.3.1 Introduction p. 10
4.1.2.3.2 Description p. 10
4.1.3 Conclusion - Recommendation p. 13
4.2 Key Issue #2: Energy Consumption of containerized VNF/VNFCs p. 13
4.2.1 Description p. 13
4.2.2 Conclusion p. 13
4.3 Key Issue #3: Energy Consumption of RAN nodes p. 13
4.3.1 Description p. 13
4.3.2 Potential solutions p. 13
4.3.2.1 Potential solution #1: Consider that 'one logical node = one Network Function' p. 13
4.3.2.1.1 Introduction p. 13
4.3.2.1.2 Description p. 13
4.3.3 Conclusion p. 14
4.4 Key Issue #4: EE KPI for V2X network slice p. 14
4.4.1 Description p. 14
4.4.2 Potential solutions p. 14
4.4.2.1 Potential solution #1: Consider V2X as a sub-case of URLLC p. 14
4.4.2.1.1 Introduction p. 14
4.4.2.1.2 Description p. 14
4.4.3 Conclusion p. 15
4.5 Key Issue #5: Customer accepts QoS degradation to save energy p. 15
4.5.1 Description p. 15
4.5.2 Conclusion p. 16
4.6 Key Issue #6: Energy Efficiency KPI of URLLC Network Slice based on its Reliability p. 16
4.6.1 Description p. 16
4.6.1.1 Introduction p. 16
4.6.1.2 Potential requirements p. 16
4.6.2 Potential Solutions p. 16
4.6.2.1 Potential solution #1: Energy Efficiency KPI of URLLC Network Slice based on its Reliability when Reliability is in terms of PSR% p. 16
4.6.2.1.1 Introduction p. 16
4.6.2.1.2 Description p. 16
4.6.2.2 Potential solution #2: Energy Efficiency KPI of URLLC Network Slice based on reliability p. 19
4.6.2.2.1 Introduction p. 19
4.6.2.2.2 Description p. 19
4.6.3 Conclusion p. 19
4.6.4 Recommendation p. 20
4.7 Issue #7: Roles involved in EE KPI building p. 20
4.7.1 Description p. 20
4.7.2 Potential use cases p. 20
4.7.2.1 Potential use case #1: 'NOP only, MEs are all PNFs' p. 20
4.7.2.1.1 Introduction p. 20
4.7.2.1.2 Description p. 20
4.7.2.2 Potential use case #2: 'NOP deploys virtualized 5GC NFs on internal virtualization infrastructure and data centre' p. 21
4.7.2.3 Potential use case #3: 'NOP deploys virtualized 5GC NFs on external virtualization infrastructure and data centre' p. 24
4.7.3 Conclusion p. 27
4.8 Key Issue #8: Energy Saving compensation procedure p. 27
4.8.1 Description p. 27
4.8.1.1 Introduction p. 27
4.8.1.2 Potential requirements p. 27
4.8.2 Potential solutions p. 28
4.8.2.1 Potential solution #1: Energy saving compensation activation and deactivation procedures p. 28
4.8.2.1.1 Introduction p. 28
4.8.2.1.2 Description p. 28
4.8.3 Conclusion - Impact on normative work p. 28
4.9 Key Issue #9: RAN energy saving when using backup batteries p. 28
4.9.1 Description p. 28
4.9.1.1 Introduction p. 28
4.9.1.2 Potential requirements p. 29
4.9.2 Potential solutions p. 29
4.9.2.1 Potential solution #1: based on information of backup batteries as per ETSI ES 202 336-11 [18] p. 29
4.9.2.1.1 Introduction p. 29
4.9.2.1.2 Description p. 29
4.9.3 Conclusion p. 30
4.10 Key Issue #10: Digital sobriety p. 30
4.10.1 Description p. 30
4.10.2 Conclusion p. 31
$ Change history p. 32
