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TR 23.852 (SA2)
Study on
S2a Mobility based on GTP and WLAN access to the EPC network

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V12.0.0 (Wzip)  2013/09  157 p.

Rapporteur:  Mr. Zhu, Chunhui
See also:  –

This Study item is to study:
  • The addition of a S2a based on GTP option. In particular this SID will develop the necessary stage 2 message flows to support S2a based on GTP and mobility between GTP-S5/S8 and GTP-S2a.
  • Supporting WLAN access to EPC through S2a via mechanisms:
    • with no impact to the UE;
    • with impact to the UE.
Solutions requiring modifications to non 3GPP link-layers will not be considered. It is expected that the result of this Study Item may be used by 3GPP-BBF interworking activities (BBAI).


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1  ScopeWord-p. 8
2  References
3  Definitions and abbreviationsWord-p. 9
4  ScenariosWord-p. 10
5  Architectural assumptionsWord-p. 11
6  Solutions for GTP based S2aWord-p. 12Up
7  Additional considerations for WLAN access to EPC through S2a for Phase 1Word-p. 27

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