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TECHNICAL SPECIFICATION
5G;
NG-RAN;
NG Application Protocol (NGAP)
(3GPP TS 38.413 version 15.2.0 Release 15)
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3GPP TS 38.413 version 15.2.0 Release 15 1 ETSI TS 138 413 V15.2.0 (2019-04)
Reference
RTS/TSGR-0338413vf20
Keywords
5G
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3GPP TS 38.413 version 15.2.0 Release 15 2 ETSI TS 138 413 V15.2.0 (2019-04)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The information
pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found
in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in
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Foreword
This Technical Specification (TS) has been produced by ETSI 3rd Generation Partnership Project (3GPP).
The present document may refer to technical specifications or reports using their 3GPP identities, UMTS identities or
GSM identities. These should be interpreted as being references to the corresponding ETSI deliverables.
The cross reference between GSM, UMTS, 3GPP and ETSI identities can be found under
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Modal verbs terminology
In the present document "shall", "shall not", "should", "should not", "may", "need not", "will", "will not", "can" and
"cannot" are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of
provisions).
"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.
ETSI
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3GPP TS 38.413 version 15.2.0 Release 15 3 ETSI TS 138 413 V15.2.0 (2019-04)
Contents
Intellectual Property Rights . 2
Foreword . 2
Modal verbs terminology . 2
Foreword . 13
1 Scope . 14
2 References . 14
3 Definitions and abbreviations . 15
3.1 Definitions . 15
3.2 Abbreviations . 16
4 General . 16
4.1 Procedure Specification Principles . 16
4.2 Forwards and Backwards Compatibility . 17
4.3 Specification Notations . 17
5 NGAP Services . 17
6 Services Expected from Signalling Transport . 17
7 Functions of NGAP . 17
8 NGAP Procedures . 18
8.1 List of NGAP Elementary Procedures . 18
8.2 PDU Session Management Procedures . 19
8.2.1 PDU Session Resource Setup . 19
8.2.1.1 General . 19
8.2.1.2 Successful Operation . 19
8.2.1.3 Unsuccessful Operation . 22
8.2.1.4 Abnormal Conditions . 22
8.2.2 PDU Session Resource Release . 22
8.2.2.1 General . 22
8.2.2.2 Successful Operation . 23
8.2.2.3 Unsuccessful Operation . 23
8.2.2.4 Abnormal Conditions . 23
8.2.3 PDU Session Resource Modify . 24
8.2.3.1 General . 24
8.2.3.2 Successful Operation . 24
8.2.3.3 Unsuccessful Operation . 26
8.2.3.4 Abnormal Conditions . 26
8.2.4 PDU Session Resource Notify . 26
8.2.4.1 General . 26
8.2.4.2 Successful Operation . 26
8.2.4.3 Abnormal Conditions . 27
8.2.5 PDU Session Resource Modify Indication . 27
8.2.5.1 General . 27
8.2.5.2 Successful Operation . 27
8.2.5.3 Unsuccessful Operation . 28
8.2.5.4 Abnormal Conditions . 28
8.3 UE Context Management Procedures . 28
8.3.1 Initial Context Setup . 28
8.3.1.1 General . 28
8.3.1.2 Successful Operation . 28
8.3.1.3 Unsuccessful Operation . 30
8.3.1.4 Abnormal Conditions . 30
8.3.2 UE Context Release Request (NG-RAN node initiated) . 31
8.3.2.1 General . 31
8.3.2.2 Successful Operation . 31
ETSI
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3GPP TS 38.413 version 15.2.0 Release 15 4 ETSI TS 138 413 V15.2.0 (2019-04)
8.3.2.3 Abnormal Conditions . 31
8.3.3 UE Context Release (AMF initiated) . 31
8.3.3.1 General . 31
8.3.3.2 Successful Operation . 31
8.3.3.3 Unsuccessful Operation . 32
8.3.3.4 Abnormal Conditions . 32
8.3.4 UE Context Modification . 32
8.3.4.1 General . 32
8.3.4.2 Successful Operation . 32
8.3.4.3 Unsuccessful Operation . 33
8.3.4.4 Abnormal Conditions . 34
8.3.5 RRC Inactive Transition Report . 34
8.3.5.1 General . 34
8.3.5.2 Successful Operation . 34
8.3.5.3 Abnormal Conditions . 34
8.4 UE Mobility Management Procedures . 34
8.4.1 Handover Preparation . 34
8.4.1.1 General . 34
8.4.1.2 Successful Operation . 34
8.4.1.3 Unsuccessful Operation . 36
8.4.1.4 Abnormal Conditions . 36
8.4.2 Handover Resource Allocation . 36
8.4.2.1 General . 36
8.4.2.2 Successful Operation . 37
8.4.2.3 Unsuccessful Operation . 39
8.4.2.4 Abnormal Conditions . 39
8.4.3 Handover Notification . 39
8.4.3.1 General . 39
8.4.3.2 Successful Operation . 40
8.4.3.3 Abnormal Conditions . 40
8.4.4 Path Switch Request . 40
8.4.4.1 General . 40
8.4.4.2 Successful Operation . 40
8.4.4.3 Unsuccessful Operation . 41
8.4.4.4 Abnormal Conditions . 42
8.4.5 Handover Cancellation . 42
8.4.5.1 General . 42
8.4.5.2 Successful Operation . 42
8.4.5.3 Unsuccessful Operation . 42
8.4.5.4 Abnormal Conditions . 42
8.4.6 Uplink RAN Status Transfer . 42
8.4.6.1 General . 42
8.4.6.2 Successful Operation . 43
8.4.6.3 Abnormal Conditions . 43
8.4.7 Downlink RAN Status Transfer . 43
8.4.7.1 General . 43
8.4.7.2 Successful Operation . 43
8.4.7.3 Abnormal Conditions . 44
8.5 Paging Procedures . 44
8.5.1 Paging . 44
8.5.1.1 General . 44
8.5.1.2 Successful Operation . 44
8.5.1.3 Abnormal Conditions . 45
8.6 Transport of NAS Messages Procedures . 45
8.6.1 Initial UE Message. 45
8.6.1.1 General . 45
8.6.1.2 Successful Operation . 45
8.6.1.3 Abnormal Conditions . 45
8.6.2 Downlink NAS Transport . 45
8.6.2.1 General . 45
8.6.2.2 Successful Operation . 46
8.6.2.3 Abnormal Conditions . 46
ETSI
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3GPP TS 38.413 version 15.2.0 Release 15 5 ETSI TS 138 413 V15.2.0 (2019-04)
8.6.3 Uplink NAS Transport . 47
8.6.3.1 General . 47
8.6.3.2 Successful Operation . 47
8.6.3.3 Abnormal Conditions . 47
8.6.4 NAS Non Delivery Indication . 47
8.6.4.1 General . 47
8.6.4.2 Successful Operation . 47
8.6.4.3 Abnormal Conditions . 48
8.6.5 Reroute NAS Request . 48
8.6.5.1 General . 48
8.6.5.2 Successful Operation . 48
8.6.5.3 Abnormal Conditions . 48
8.7 Interface Management Procedures . 48
8.7.1 NG Setup . 48
8.7.1.1 General . 48
8.7.1.2 Successful Operation . 49
8.7.1.3 Unsuccessful Operation . 49
8.7.1.4 Abnormal Conditions . 49
8.7.2 RAN Configuration Update . 49
8.7.2.1 General . 49
8.7.2.2 Successful Operation . 50
8.7.2.3 Unsuccessful Operation . 50
8.7.2.4 Abnormal Conditions . 50
8.7.3 AMF Configuration Update . 50
8.7.3.1 General . 50
8.7.3.2 Successful Operation . 51
8.7.3.3 Unsuccessful Operation . 52
8.7.3.4 Abnormal Conditions . 52
8.7.4 NG Reset . 52
8.7.4.1 General . 52
8.7.4.2 Successful Operation . 52
8.7.4.2.1 NG Reset initiated by the AMF . 52
8.7.4.2.2 NG Reset initiated by the NG-RAN node . 53
8.7.4.3 Unsuccessful Operation . 54
8.7.4.4 Abnormal Conditions . 54
8.7.4.4.1 Abnormal Condition at the 5GC . 54
8.7.4.4.2 Abnormal Condition at the NG-RAN . 54
8.7.4.4.3 Crossing of NG RESET Messages . 54
8.7.5 Error Indication . 54
8.7.5.1 General . 54
8.7.5.2 Successful Operation . 55
8.7.5.3 Abnormal Conditions .
...