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Content for
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Word version: 16.1.0
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5
Key Issues
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5
Key Issues
p. 19
5.1
Key Issue 1: Support for infrequent small data transmission
p. 19
5.1.1
Description
p. 19
5.1.2
Architectural requirements
p. 19
5.1.3
Architectural baseline
p. 19
5.1.4
Open issues
p. 20
5.2
Key Issue 2: Frequent small data communication
p. 20
5.2.1
Description
p. 20
5.2.2
Architectural requirements
p. 20
5.2.3
Architectural baseline
p. 21
5.2.4
Open issues
p. 21
5.3
Key Issue 3: High latency communication
p. 21
5.3.1
Description
p. 21
5.3.2
Architectural requirements
p. 21
5.3.3
Architectural baseline
p. 21
5.3.4
Open issues
p. 22
5.4
Key Issue 4: Power Saving Functions
p. 22
5.4.1
Description
p. 22
5.4.2
Architectural requirements
p. 23
5.4.3
Architectural baseline
p. 23
5.4.4
Open issues
p. 23
5.5
Key Issue 5: UE TX Power Saving Functions
p. 23
5.5.1
Description
p. 23
5.5.2
Architectural requirements
p. 24
5.5.3
Architectural baseline
p. 24
5.5.4
Open issues
p. 24
5.6
Key Issue 6: Management of Enhanced Coverage
p. 24
5.6.1
Description
p. 24
5.6.2
Architectural requirements
p. 24
5.6.3
Architectural baseline
p. 24
5.6.4
Open issues
p. 25
5.7
Key Issue 7: Overload Control for small data
p. 25
5.7.1
Description
p. 25
5.7.2
Architectural requirements
p. 25
5.7.3
Architectural baseline
p. 25
5.7.4
Open issues
p. 25
5.8
Key Issue 8: Support of the Reliable Data Service
p. 26
5.8.1
Description
p. 26
5.8.2
Architectural requirements
p. 26
5.8.3
Architectural baseline
p. 26
5.8.4
Open issues
p. 26
5.9
Key Issue 9: Support of common north-bound APIs for EPC-5GC Interworking
p. 26
5.9.1
Description
p. 26
5.9.2
Architectural requirements
p. 27
5.9.3
Architectural baseline
p. 27
5.9.4
Open issues
p. 27
5.10
Key Issue 10: Network Parameter Configuration API via NEF
p. 27
5.10.1
Description
p. 27
5.10.2
Architectural requirements
p. 27
5.10.3
Architectural baseline
p. 28
5.10.4
Open issues
p. 28
5.11
Key Issue 11: Monitoring
p. 28
5.11.1
Description
p. 28
5.11.2
Architectural requirements
p. 29
5.11.3
Architectural baseline
p. 29
5.11.4
Open issues
p. 29
5.12
Key Issue 12: Inter-RAT mobility support to/from NB-IoT
p. 29
5.12.1
Description
p. 29
5.12.2
Architectural requirements
p. 29
5.12.3
Architectural baseline
p. 29
5.12.4
Open issues
p. 30
5.13
Key Issue 13: Support for Expected UE Behaviour
p. 30
5.13.1
Description
p. 30
5.13.2
Architectural requirements
p. 30
5.13.3
Architectural baseline
p. 30
5.13.4
Open issues
p. 30
5.14
Key Issue 14: QoS Support for NB-IoT
p. 31
5.14.1
Description
p. 31
5.14.2
Architectural requirements
p. 31
5.14.3
Architectural baseline
p. 31
5.14.4
Open issues
p. 31
5.15
Key Issue 15: Core Network selection for Cellular IoT
p. 31
5.15.1
Description
p. 31
5.15.2
Architectural requirements
p. 32
5.15.3
Architectural baseline
p. 32
5.15.4
Open issues
p. 32
5.16
Key Issue 16: Support of Group communication and messaging
p. 32
5.16.1
Description
p. 32
5.16.2
Architectural requirements
p. 33
5.16.3
Architectural baseline
p. 33
5.16.4
Open issues
p. 33
5.17
Key Issue 17: MSISDN-less MO SMS
p. 33
5.17.1
Description
p. 33
5.17.2
Architectural requirements
p. 33
5.17.3
Architectural baseline
p. 33
5.17.4
Open issues
p. 34