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Content for TR 32.972 Word version: 18.0.0

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2 References p. 6

3 Definitions and abbreviations p. 7

3.1 Definitions p. 7

3.2 Abbreviations p. 7

4 EE KPIs and metrics p. 8

4.1 Introduction p. 8

4.2 Existing EE KPI definitions p. 9

4.2.1 EE KPIs for Radio Access Networks p. 9

4.2.1.1 EE KPI definitions in ETSI ES 202 706 [2] p. 9

4.2.1.2 EE KPI definitions in ETSI ES 203 228 [4] p. 9

4.2.1.3 Network Energy Efficiency quantitative KPI p. 10

4.2.1.4 Deployment scenario based EE KPIs p. 11

4.2.2 EE KPIs for telecom sites p. 13

4.2.3 EE KPIs for Virtualized Network Functions (VNF) p. 13

4.2.3.1 Introduction p. 13

4.2.3.2 VNF resource efficiency p. 14

4.2.3.3 VNF energy efficiency p. 15

4.2.3.4 NFVI energy efficiency p. 15

4.3 Definition and collection of EE KPIs for 5G networks p. 15

5 Measurement methods p. 17

5.1 Existing measurement methods p. 17

5.2 Potential measurement methods for 5G networks p. 18

6 Potential mechanisms to improve energy efficiency p. 19

7 EE control framework p. 21

7.1 General EE control framework p. 21

7.2 Potential architectural options p. 22

7.2.0 Introduction p. 22

7.2.1 NM-Centralised architecture p. 23

7.2.2 EM-Centralised architecture p. 23

7.2.3 Distributed architecture p. 24

8 Potential use cases and requirements p. 25

8.1 Energy efficiency assessment p. 25

8.1.1 Potential use cases p. 25

8.1.1.1 Introduction p. 25

8.1.1.2 Creation of measurement job for collecting 5G NF EE measurement data p. 25

8.1.1.3 Reporting 5G NF EE measurements via file transfer p. 25

8.1.1.4 Reporting 5G NF EE measurement via streaming p. 25

8.1.2 Potential requirements p. 25

8.1.2.1 Collection of Data Volumes p. 25

8.1.2.1.1 Potential requirements for the creation of measurement job for collecting 5G NF DV measurement data p. 25

8.1.2.1.2 Potential requirements for 5G NF DV measurement data file reporting p. 25

8.1.2.1.3 Potential requirements for 5G NF DV measurement data streaming p. 26

8.1.2.2 Collection of Power, Energy and Environmental (PEE) parameters p. 26

8.1.2.2.1 Potential requirements for initiating / stopping the collection of PEE parameters p. 26

8.1.2.2.2 Potential requirements for reporting PEE parameters p. 26

8.1.2.2.3 Potential requirements for reporting PEE parameters related alarms p. 26

8.1.2.2.4 Potential requirements for reporting PEE parameters related configuration changes p. 26

8.2 Energy saving management p. 26

8.2.1 Potential use cases p. 26

8.2.1.1 Cell overlaid use case p. 26

8.2.1.2 Capacity limited network use case p. 26

8.2.2 Potential requirements p. 26

8.2.2.1 General requirements p. 26

8.2.2.2 Requirements for energy saving p. 27

9 Potential solutions p. 27

9.1 Energy efficiency assessment p. 27

9.2 Energy saving management p. 27

10 Conclusion p. 28

$ Change History p. 29