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draft-TR 23.724 (SA2)
Study on Cellular Internet of Things (IoT) support and evolution for the 5G System

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V0.1.0 (Wzip)    2018/02    21 p.

Rapporteur:  Dr. Speicher, Sebastian
See also:  –

This technical report studies and evaluates architecture enhancements to address the following objectives:
  • Objective I: Enable CIoT/MTC functionalities in 5G CN.
  • Objective II: Co-existence and migration from EPC based eMTC/NB-IoT to 5GCN.
  • Objective III: 5G System enhancements to address 5G service requirements (based on TS 22.261 and TR 38.913).


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1   Scope   Word-p. 6
2   References   Word-p. 7
3   Definitions, symbols and abbreviations
4   Architectural Assumptions and Principles
5   Key Issues
5.1   Key Issue 1: Support for infrequent small data transmission
5.2   Key Issue 2: Frequent small data communication
5.3   Key Issue 3: High latency communication
5.4   Key Issue 4: Power Saving Functions
5.5   Key Issue 5: UE TX Power Saving Functions   Word-p. 13
5.6   Key Issue 6: Management of Enhanced Coverage
5.7   Key Issue 7: Overload Control for small data
5.8   Key Issue 8: Support of the Reliable Data Service   Word-p. 15
5.9   Key Issue 9: Support of common north-bound APIs for EPC-5GC Interworking
5.10   Key Issue 10: Network Parameter Configuration API via NEF
5.11   Key Issue 11: Monitoring
5.12   Key Issue 12: Inter-RAT mobility support to/from NB-IoT
5.X   Key Issue X: <Key Issue Title>
6   Solutions
7   Evaluation
8   Conclusions
A   Change history   Word-p. 21

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