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TR 22.937 (SA1)
Requirements for service continuity between mobile and WLAN networks

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V13.0.0 (PDF)    2016/01    26 p.
V12.0.0    2014/10    25 p.
V11.0.0    2012/09    25 p.
V10.0.0    2011/04    25 p.
V9.0.0    2009/12    25 p.
V8.1.0    2008/06    25 p.

Rapporteur:  Dr. Swetina, Joerg
See also:  –

This TR develops the use cases and requirements for service continuity between a 3GPP network and another network, which can be:
  • a TISPAN NGN with an IMS, accessed by a WLAN;
  • an ISP accessed via a WLAN.
Each access network has its own separate security system and the NOs have a commercial agreement for roaming and handover.

This TR also examines the requirements and implications of:
  • service aspects: maintaining service quality and service continuity, while roaming between a 3GPP PLMN and an independently-owned WLAN;
  • security aspects: while roaming between a 3GPP PLMN and a WLAN, in particular when networks may be independently authenticated;
  • UICC aspects, including NAA types, personalisation and ownership.
This TR is related to ongoing standardisation efforts in the following areas:
  • where the WLAN is an I-WLAN , requirements for which are described in TS 22.234;
  • methods for selecting the 3GPP or the non-3GPP access network, requirements for which are described in TR 22.912.


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