Content for TR 32.834 Word version: 11.0.0
2 References
3 Abbreviations and Definitions
4 Inter-RAT energy saving scenarios and use cases
5 OAM based Inter-RAT energy saving concepts
6 OAM based Inter-RAT energy saving requirements
7 Candidate solutions
8 Recommended solution(s)
9 Conclusion
$ Change history
2 References p. 6
3 Abbreviations and Definitions p. 6
3.1 Abbreviations p. 6
3.2 Definitions p. 7
4 Inter-RAT energy saving scenarios and use cases p. 7
4.1 Scenarios p. 7
4.2 OAM Architectures for Inter-RAT ESM p. 7
4.2.1 Introduction p. 7
4.2.2 NM-centralized ES architecture p. 8
4.2.3 EM-centralized ES architecture p. 8
4.2.4 Distributed ES architecture p. 9
4.3 Use cases p. 10
4.3.1 Use case 1 Overlapping of non-collocated cells of different RATs with significantly different coverage areas p. 10
4.3.2 Use case 2 Overlapping of collocated cells of different RATs with similar coverage area p. 13
4.3.3 Use case 3 Combination of collocated RAT1-RAT2 cells with non-collocated RAT2 cells p. 14
4.3.4 Ruled out use case: Capacity limited network p. 16
4.3.5 Constraints for use cases p. 16
5 OAM based Inter-RAT energy saving concepts p. 16
5.1 Energy Saving States p. 16
5.2 Inter-RAT ESM thresholds p. 17
5.3 Concept 1: Statistical ESM p. 17
5.4 Concept 2 Delegated ESM p. 18
5.5 Concept 3: Load based trigger determination p. 18
5.6 Commonalities of concepts p. 19
6 OAM based Inter-RAT energy saving requirements p. 20
6.1 General requirements p. 20
6.2 Requirements for Concept 1 (Statistical ESM) p. 20
6.3 Requirements for Concept 2 (Delegated ESM) p. 20
6.4 Requirements for Concept 3 p. 21
7 Candidate solutions p. 21
7.1 General description p. 21
7.1.1 Re-use of E-UTRAN ESM solution for Inter-RAT ESM p. 21
7.1.1.1 Overview of E-UTRAN ESM solution p. 21
7.1.1.2 Analysis of impacts to IRPs p. 22
7.1.1.2.1 SON Policy NRM IRP p. 22
7.1.1.2.2 E-UTRAN NRM IRP p. 22
7.1.1.2.3 E-UTRAN Performance Measurements p. 22
7.1.1.2.4 List of IRPs without impact p. 23
7.1.1.3 Conclusion p. 23
7.1.1.4 Other issues p. 23
7.1.2 Variant of re-use of E-UTRAN ESM solution for Inter-RAT ESM p. 23
7.2 Mapping of solutions to concepts p. 24
8 Recommended solution(s) p. 25
9 Conclusion p. 25
$ Change history p. 26
