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TECHNICAL SPECIFICATION
Universal Mobile Telecommunications System (UMTS);
LTE;
Access to the 3GPP Evolved Packet Core (EPC)
via non-3GPP access networks;
Stage 3
(3GPP TS 24.302 version 13.10.0 Release 13)
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3GPP TS 24.302 version 13.10.0 Release 13 1 ETSI TS 124 302 V13.10.0 (2019-01)
Reference
RTS/TSGC-0124302vda0
Keywords
LTE,UMTS
ETSI
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DECT , PLUGTESTS , UMTS and the ETSI logo are trademarks of ETSI registered for the benefit of its Members.
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3GPP and LTE are trademarks of ETSI registered for the benefit of its Members and
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GSM and the GSM logo are trademarks registered and owned by the GSM Association.
ETSI
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3GPP TS 24.302 version 13.10.0 Release 13 2 ETSI TS 124 302 V13.10.0 (2019-01)
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
respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web
server (https://ipr.etsi.org/).
Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee
can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web
server) which are, or may be, or may become, essential to the present document.
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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
.
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 24.302 version 13.10.0 Release 13 3 ETSI TS 124 302 V13.10.0 (2019-01)
Contents
Intellectual Property Rights . 2
Foreword . 2
Modal verbs terminology . 2
Foreword . 10
1 Scope . 11
2 References . 11
3 Definitions, symbols and abbreviations . 14
3.1 Definitions . 14
3.2 Abbreviations . 17
4 General . 18
4.1 Trusted and untrusted accesses . 18
4.2 cdma2000 HRPD Access System . 18
4.3 WiMAX Access System . 18
4.4 Identities . 18
4.4.1 User identities . 18
4.4.2 Identification of IP Services/PDN connections. 19
4.4.3 FQDN for ePDG Selection . 19
4.4.4 Access Network Identity . 19
4.4.5 ANDSF Server Name . 19
4.4.6 Home Agent address(es) . 19
4.4.7 Security Parameters Index . 19
4.5 Fixed Broadband Access System . 19
4.6 Restrictive non-3GPP access networks . 20
5 Network Discovery and Selection . 20
5.0 General . 20
5.1 Access network discovery and selection procedures . 20
5.1.1 General . 20
5.1.2 Access network discovery procedure . 20
5.1.2.1 Triggering the discovery of operator preferred access networks with the ANDSF . 20
5.1.2.2 Discovering availability of access networks . 21
5.1.3 Access network selection procedure . 21
5.1.3.1 General . 21
5.1.3.2 Specific intra-technology access network selection . 21
5.1.3.2.1 cdma2000 HRPD access network selection . 21
5.1.3.2.2 WiMAX NAP selection . 21
5.1.3.2.3 WLAN selection . 21
5.1.3.2.3.1 General . 21
5.2 EPC network selection over non-3GPP access . 23
5.2.1 General . 23
5.2.2 Generic EPC network selection procedure over non-3GPP access . 23
5.2.2.1 Identification of the EPC . 23
5.2.2.2 EPC network selection . 23
5.2.2.2.1 UE selection modes . 23
5.2.2.2.2 Manual EPC network selection . 23
5.2.2.2.3 Automatic EPC network selection . 24
5.2.3 Access technology specific EPC network selection procedures . 24
5.2.3.1 EPC network selection procedures for WiMAX . 24
5.2.3.1.1 Identification of the EPC by the WiMAX access network . 24
5.2.3.1.2 EPC network selection . 24
5.2.3.2 EPC network selection procedures for WLAN . 24
5.2.3.2.1 UE selection modes . 24
5.2.3.2.1A Service provider solicitation . 24
5.2.3.2.2 Manual Service Provider selection mode procedure . 25
5.2.3.2.3 Automatic mode service provider selection procedure . 25
ETSI
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3GPP TS 24.302 version 13.10.0 Release 13 4 ETSI TS 124 302 V13.10.0 (2019-01)
5.3 Access Network reselection . 27
5.3.1 General . 27
5.3.2 UE procedures . 27
5.3.3 EPC procedures . 27
5.3.4 Periodic EPC network reselection attempts . 27
5.4 Data traffic routing of IP flows . 27
5.4.1 General . 27
5.4.2 Access technology or access network selection . 28
5.4.2.1 ANDSF rules control the WLAN access selection and traffic routing . 28
5.4.2.2 RAN rules control the WLAN access selection and traffic routing . 28
6 UE – EPC Network protocols . 28
6.1 General . 28
6.2 Trusted and Untrusted Accesses . 28
6.2.1 General . 28
6.2.2 Pre-configured policies in the UE . 29
6.2.3 Dynamic Indication. 29
6.2.4 No trust relationship information . 29
6.3 IP Mobility Mode Selection . 29
6.3.1 General . 29
6.3.2 Static configuration of inter-access mobility mechanism . 29
6.3.3 Dynamic configuration of inter-access mobility mechanism . 30
6.3.3.0 General . 30
6.3.3.1 IPMS indication . 30
6.3.3.1.1 IPMS indication from UE to 3GPP AAA server . 30
6.3.3.1.2 IPMS indication from 3GPP AAA server to UE . 31
6.4 Authentication and authorization for accessing EPC via a trusted non-3GPP access network . 31
6.4.1 General . 31
6.4.1A TWAN connection modes . 31
6.4.2 UE procedures . 32
6.4.2.1 Identity Management . 32
6.4.2.2 EAP-AKA and EAP-AKA' based Authentication . 32
6.4.2.3 Full Authentication and Fast Re-authentication . 32
6.4.2.4 Handling of the Access Network Identity . 33
6.4.2.4.1 General . 33
6.4.2.4.2 ANID indication from 3GPP AAA server to UE . 33
6.4.2.4.3 UE check of ANID for HRPD CDMA 2000 access networks . 33
6.4.2.4.4 UE check of ANID for WiMAX access networks . 33
6.4.2.4.5 UE check of ANID for WLAN access networks . 33
6.4.2.4.6 UE check of ANID for ETHERNET access networks . 34
6.4.2.5 Full name for network and short name for network . 34
6.4.2.6 TWAN connection modes . 34
6.4.2.6.1 General . 34
6.4.2.6.2 Usage of single-connection mode (SCM) . 34
6.4.2.6.3 Usage of multi-connection mode (MCM) . 37
6.4.2.6.4 Network support not available . 37
6.4.2.7 Mobile Equipment Identity Signalling . 38
6.4.3 3GPP AAA server procedures . 39
6.4.3.1 Identity Management . 39
6.4.3.2 EAP-AKA and EAP-AKA' based Authentication . 39
6.4.3.3 Full authentication and Fast Re-authentication . 39
6.4.3.4 Full name for network and short name for network . 39
6.4.3.5 TWAN connection modes . 39
6.4.3.5.1 General . 39
6.4.3.5.2 Usage of single-connection mode (SCM) . 40
6.4.3.5.3 Usage of multi-connection mode (MCM) . 41
6.4.3.5.4 Network support not available . 42
6.4.3.6 Mobile Equipment Identity Signalling . 42
6.4.4 Multiple PDN support for trusted non-3GPP access . 42
6.5 Authentication and authorization for accessing EPC via an untrusted non-3GPP access network . 43
6.5.1 General . 43
ETSI
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3GPP TS 24.302 version 13.10.0 Release 13 5 ETSI TS 124 302 V13.10.0 (2019-01)
6.5.2 Full authentication and authorization . 44
6.5.2.1 General . 44
6.5.2.2 UE procedures . 44
6.5.2.2.1 General . 44
6.5.2.2.2 EAP AKA . 44
6.5.2.2.2.1 Identity management . 44
6.5.2.2.2.2 Protected result indications . 45
6.5.2.3 3GPP AAA server procedures. 45
6.5.2.3.1 General . 45
6.5.2.3.2 EAP-AKA . 45
6.5.2.3.2.1 Identity management . 45
6.5.2.3.2.2 EAP AKA based authentication . 45
6.5.2.3.2.3 Fast re-authentication . 45
6.5.2.3.2.4 Protected result indications . 45
6.5.2.4 ePDG procedures . 45
6.5.3 Multiple PDN support for untrusted non-3GPP access network . 45
6.6 UE - 3GPP EPC (cdma2000 HRPD Access) . 46
6.6.1 General . 46
6.6.2 Non-emergency case . 47
6.6.2.1 General . 47
6.6.2.2 UE identities . 47
6.6.2.3 cdma2000 HRPD access network identity . 47
6.6.2.4 PLMN system selection . 47
6.6.2.5 Trusted and untrusted accesses . 47
6.6.2.6 IP mobility mode selection . 47
6.6.2.7 Authentication and authorization for accessing EPC . 47
6.6.3 Emergency case . 48
6.6.3.1 General . 48
6.6.3.2 UE identities . 48
6.6.3.3 Authentication and authorization for accessing EPC . 48
6.7 UE - 3GPP EPC (WiMAX Access) . 48
6.7.1 General . 48
6.7.2 Non-emergency case . 48
6.7.2.1 General . 48
6.7.2.2 UE identities . 48
6.7.2.3 WiMAX access network identity . 48
6.7.2.4 Selection of the Network Service Provider . 49
6.7.2.5 Trusted and untrusted accesses . 49
6.7.2.6 IP mobility mode selection . 49
6.7.2.7 Authentication and authorization for accessing EPC . 49
6.7.3 Emergency case . 49
6.8 Communication over the S14 . 49
6.8.1 General . 49
6.8.2 Interaction with the Access Network Discovery and Selection Function . 50
6.8.2.1 General . 50
6.8.2.2 UE procedures . 50
6.8.2.2.1 UE discovering the ANDSF . 50
6.8.2.2.1A ANDSF communication security
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