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TR 23.705 (SA2)
Study on
System enhancements
for User Plane Congestion Management

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V13.0.0 (Wzip)  2014/12  61 p.

Rapporteur:  Mrs. Goldner, Alla

The present document studies and defines system enhancements for user plane congestion management based on the Stage-1 normative requirements defined in Clause 27 of TS 22.101.

full Table of Contents for  TR 23.705  Word version:   13.0.0

 

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1  ScopeWord-p. 6
2  References
3  Definitions and abbreviationsWord-p. 7
4  Assumptions and architectural requirements
5  Key issuesWord-p. 8
6  SolutionsWord-p. 11
6.1  CN-based solutions for RAN user plane congestion management
6.1.1  General architectural requirements
6.1.2  General description, assumptions and principlesWord-p. 12
6.1.3  High-level operation and proceduresWord-p. 13
6.1.4  RAN congestion detection solutionsWord-p. 14
6.1.5  RAN congestion reporting solutionsWord-p. 15
6.1.5.1  Solution 1.5.1: RAN user plane congestion reporting by GTP-U extension
6.1.5.2  Solution 1.5.2: C-plane signalling for RAN user plane congestion reporting
6.1.5.3  Solution 1.5.3: RPPF based RAN user plane congestion reportingWord-p. 27
6.1.5.4  Solution 1.5.4: Integrated on-path and off-path RAN user plane congestion reporting
6.1.5.5  Solution 1.5.5: off-path based RAN user plane congestion reportingWord-p. 34
6.1.6  RAN congestion mitigation solutions
6.2  RAN-based solutions for RAN user plane congestion managementUp
6.3  UE-based solutions for RAN user plane congestion management
7  EvaluationUp
8  ConclusionsWord-p. 57
A  Combining RAN and CN-based Solutions for RAN user plane congestion management as a deployment optionWord-p. 58
B  Change historyWord-p. 61

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