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TR 23.737SA2
Study on Architecture aspects
for using Satellite Access in 5G

use "3GPP‑Page" to get the Word version
for a better overview, the Table of Contents (ToC) is reproduced
V17.0.0 (Wzip)2019/12  82 p.

Rapporteur:  Mr. Rognant, Pierre

The scope of this Technical Report is to study:
  • The identification of impact areas of satellite integration in the 5GS, when considering TR 22.822 use cases.
  • The identification of solutions to adjust the 5G system for the impact impacts areas for the reference use cases:
    • Roaming between terrestrial and satellite networks.
    • 5G Fixed Backhaul between Satellite Enabled NR-RAN and the 5G Core.
  • The resolution of RAN and CN inter-related issues.

full Table of Contents for  TR 23.737  Word version:   17.0.0

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1  ScopeWord-p. 7
2  References
3  Definitions, symbols and abbreviations
4  Reference Satellite Integration Scenarios and Architectural Assumptions
5  Key IssuesWord-p. 11
6  SolutionsWord-p. 17
6.1  Solution #1: Position-based and fixed TA Satellite Access
6.2  Solution #2: Addition of new values to RAT type IE
6.3  Solution #3: Backhaul triggered QoS adaptation
6.4  Solution #4: Support of UP path switch between SAT RAN and TER RAN
6.5  Solution #5: QoS control for satellite backhaul scenario
6.6  Solution #6: Role of satellite backhaul in content distribution towards the edgeUp
6.7  Solution #7: Idle mode mobility procedure for non-geostationary satellite access
6.8  Solution #8: 5GS enhancement to support gNBs on NGSO satellitesWord-p. 37
6.9  Solution #9: Distributed gNB for NGSO satellites
6.10  Solution #10: Addressing delay in satellite
6.11  Solution #11: Backhaul QoS handling based on AMF and UPF information
6.12  Solution #12: Satellite cells for 5G satellite accessWord-p. 52
6.13  Solution #13: Country specific PLMN selectionWord-p. 64
6.14  Solution #14: Mobility and QoS with Satellite AccessWord-p. 67
7  Overall evaluation
8  ConclusionsWord-p. 73
A  Characteristics of satellite systemsWord-p. 75
B  Architecture Models for Satellite Integration in 5GSWord-p. 79
C  Change historyWord-p. 82

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