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TS 24.234 (CT1)
3GPP system to WLAN interworking – WLAN User Equipment (WLAN UE) to Network protocols – Stage 3

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(P) V12.2.0    2015/03    42 p.
(P) V11.4.0    2014/06    42 p.
(P) V10.5.0    2014/06    42 p.
(P) V9.4.0    2011/09    40 p.
(P) V8.6.0    2011/04    40 p.
(P) V7.6.0    2008/06    34 p.
(P) V6.7.0    2006/10    28 p.

Rapporteur:  Mr. Kåll, Jan
See also:  I-WLAN-related TS/TR    

This TS specifies the network selection, including authentication and access authorization using authentication, authorization and accounting (AAA) procedures used for the interworking of the 3GPP system and WLANs. In addition to these, the present document also specifies the tunnel management procedures used for establishing an end-to-end tunnel from the WLAN UE to the 3GPP network via the Wu reference point.

This TS is applicable to the WLAN user equipment (UE) and the network. In this technical specification the network includes the WLAN and 3GPP network.

Tunnel management signalling is carried between WLAN-UE and WLAN by WLAN access technology specific protocols, however this signalling is transparent to the WLAN.

Tunnel management procedures are defined to be independent of the underlying WLAN access technology and as such can be reused independently of the underlying technology.

This TS specifies procedures within I-WLAN necessary in order for IMS emergency calls to be supported when I-WLAN is used as the underlying access network. These involve both network selection as well as tunnel management procedures.


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1 Scope    2 References    3 Definitions, symbols and abbreviations    3.1 Definitions    3.2 Symbols    3.3 Abbreviations    4 General    4.1 3GPP WLAN interworking system    4.2 WLAN UE identities    4.3 Scanning procedures    4.4 Network discovery    5 Network selection    5.1 General    5.2 PLMN selection    5.3 Void    5.4 User reselection and steering of roaming    6 WLAN UE to 3GPP network protocols    6.1 WLAN UE to 3GPP AAA server protocols    7 Parameters coding    7.1 General    7.2 Pseudonym    7.3 Void    7.4 User Controlled PLMN Selector for I-WLAN access    7.5 Operator Controlled PLMN Selector for I-WLAN access    7.6 User Controlled WLAN Specific Identifier list    7.6a Operator Controlled WLAN Specific Identifier list    7.6b Home I-WLAN Specific Identifier List    7.7 Supported PLMNs list for WLAN access    7.8 Re-authentication identity    7.9 I-WLAN Last Registered PLMN    7.10 I-WLAN HPLMN Priority Indication    7.11 HPLMN Direct Access Indicator    7.12 I-WLAN Equivalent HPLMN Presentation Indication    8 Tunnel management procedures    8.1 General    8.2 Tunnel establishment procedures    8.3 Tunnel disconnection procedures    8.4 Timers and counters for tunnel management    8.5 Void    A [N] Definition of Generic Container    A.1 General    A.2 Void    A.3 Void    B [N] IKEv2 Notify payload attributes    B.1 General    C Change history   


1   Scope [R6]   PDF-p. 7
2   References [R6]
3   Definitions, symbols and abbreviations [R6]   PDF-p. 9
4   General [R6]   PDF-p. 11
5   Network selection [R6]
6   WLAN UE to 3GPP network protocols [R6]   PDF-p. 20
7   Parameters coding [R6]   PDF-p. 27
8   Tunnel management procedures [R6]
8.1   General
8.2   Tunnel establishment procedures   PDF-p. 29
8.3   Tunnel disconnection procedures   PDF-p. 35
8.4   Timers and counters for tunnel management
8.5   Void
A  (Normative)   Definition of Generic Container [R8]   PDF-p. 37
B  (Normative)   IKEv2 Notify payload attributes [R10]   PDF-p. 38
B.1   General      Up
C   Change history   PDF-p. 39

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