Study on S2a Mobility based on GPRS Tunnelling Protocol (GTP) and Wireless Local Area Network (WLAN) access to the Enhanced Packet Core (EPC) network (SaMOG); Stage 2
This Study item is to study:
1. 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.
2. Supporting WLAN access to EPC through S2a via mechanisms:
2.1 with no impact to the UE;
2.2 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).