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Content for TR 36.887 Word version: 12.0.0

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2 References p. 7

3 Definitions, symbols and abbreviations p. 8

3.1 Definitions p. 8

3.2 Abbreviations p. 8

4 Inter-eNB energy saving enhancement for overlaid scenario p. 9

4.1 Study on inter-eNB scenario p. 9

4.1.1 Description of scenario p. 9

4.1.2 Solutions description p. 9

4.1.2.1 Different ES actions for different UEs p. 9

4.1.2.2 Switch On enhancement p. 10

4.1.2.3 eNodeB self-detection and self-tagging for energy savings mode p. 11

4.1.3 Solutions evaluation p. 12

4.1.4 Conclusions p. 15

5 Energy saving scenarios for LTE coverage layer p. 16

5.1 Common requirements and constraints p. 16

5.2 Single compensating eNB deployment scenario p. 16

5.2.1 Scenario description p. 16

5.2.2 Solutions description p. 17

5.2.3 Solutions evaluation p. 19

5.2.4 Conclusions p. 23

5.3 Multiple compensating eNBs deployment scenario p. 23

5.3.1 Scenario description p. 23

5.3.2 Solutions description p. 24

5.3.3 Solutions evaluation p. 26

5.3.4 Conclusions p. 26

5.4 Transmission power optimization scenario p. 26

5.4.1 Scenario description p. 26

5.4.2 Solutions description p. 26

5.4.3 Solutions evaluation p. 27

5.4.4 Conclusions p. 28

A Requirements for Rel-12 energy saving solutions p. 29

B Evaluation Criteria for Rel-12 energy saving solutions p. 29

C Model of Power Consumption in the eNB p. 29

D Other building blocks for power saving p. 30

E Simulation results for "capacity oriented" deployment p. 32

F Potential Energy Savings for Envisaged Solutions for the Non-Overlapping Scenario p. 33

$ Change History p. 34