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4‑5x
Content for
TR 32.860
Word version: 14.0.0
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2
References
3
Definitions, symbols and abbreviations
4
MLB SON function
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Change History
2
References
p. 5
3
Definitions, symbols and abbreviations
p. 5
3.1
Definitions
p. 5
3.2
Symbols
p. 6
3.3
Abbreviations
p. 6
4
MLB SON function
p. 7
4.1
Background
p. 7
4.2
Use cases
p. 7
4.2.1
Use cases related to multi-vendor HetNet
p. 7
4.2.1.1
Background
p. 7
4.2.1.2
Load information exchange interoperability issues
p. 8
4.2.1.3
MLB algorithms misalignment
p. 9
4.2.1.3.1
Problem statement
p. 9
4.2.1.3.2
Analysis of the problem statement
p. 10
4.2.1.3.3
Potential solutions
p. 10
4.2.1.3.4
Analysis of potential solutions
p. 11
4.2.1.4
Non-uniform load distribution
p. 11
4.2.1.4.1
Problem statement
p. 11
4.2.1.4.2
Analysis of the problem statement
p. 12
4.2.1.5
Alignment of behaviour of D-MLB instances, CAC case
p. 13
4.2.1.5.1
Problem statement
p. 13
4.3
Other considerations
p. 14
4.3.1
Intent
p. 14
4.3.2
Data transferred over Itf-N
p. 14
4.3.3
Optimization cycle
p. 15
4.3.4
Use of load performance metrics for short term load balancing decision
p. 15
4.3.5
NM analysis - driven load balancing decisions
p. 16
4.4
Use of long term average of load value
p. 17
4.5
Recommendations
p. 17
4.5.1
Recommendations for load information exchange interoperability issues (clause 4.2.1.2)
p. 17
4.5.2
Recommendations for non-uniform load distribution (clause 4.2.1.4) and alignment of behaviour of D-MLB instances, CAC case (clause 4.2.1.5)
p. 18
4.5.3
Recommendations based on other considerations (clause 4.3)
p. 18
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Change History
p. 19