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Content for TR 32.826 Word version: 10.0.0

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2 References p. 5

3 Definitions and abbreviations p. 6

3.1 Definitions p. 6

3.2 Abbreviations p. 6

4 Rationale for the Study on ESM p. 7

4.1 General p. 7

4.2 Study p. 8

5 Concepts and Background p. 10

5.1 Energy Savings Management (ESM) concept p. 10

5.1.1 Configuration Management p. 11

5.1.2 Regulatory Requirements p. 11

5.1.3 Logical Function Blocs p. 11

6 Business Level Requirements p. 11

6.1 Actor roles p. 12

6.2 Telecommunications resources p. 12

6.3 High-level use cases p. 12

7 Specification Level Requirements p. 17

7.1 General p. 17

7.2 Actor roles p. 17

7.3 Telecommunications resources p. 17

7.4 Use cases p. 18

7.4.2 Use case capacity-limited network p. 18

7.4.2.1 Centralized ESM p. 19

7.4.2.1.1 Enabling energy saving p. 19

7.4.2.1.2 Disabling energy-saving p. 19

7.4.2.2 Distributed ESM p. 20

7.4.2.2.1 Enabling energy saving p. 20

7.4.2.2.2 Disabling energy saving p. 21

7.4.2.3 Hybrid ESM p. 22

7.4.2.3.1 Enabling energy saving p. 22

7.4.2.3.2 Disabling energy saving p. 23

7.5 Requirements p. 24

7.5.1 Service Quality Measurements Collection p. 25

8 Functions and Architecture p. 26

8.1 Energy Savings Management Definition p. 26

9 Analysis of potential OAM based solutions p. 27

9.1 Usage of existing standardized solutions p. 27

9.2 Need for defining new solutions p. 27

10 Conclusions p. 27

A Evaluation of the energy saving potential p. 29

$ Change history p. 33