公开(公告)号：US20210235518A1

公开(公告)日：2021-07-29

申请号：US17052715

申请日：2018-05-04

Applicant: Telefonaktiebolaget LM Ericsson (publ)

Inventor： Xiaoming LI ,  Hui GU ,  Qiong SONG

IPC: H04W76/11 ,  H04W72/04 ,  H04W60/04

Abstract: A method in a SCEF is provided. The method comprises receiving a message indicating that non-IP data is to be delivered to a UE. The method further comprises retrieving information associated with a MME serving the UE. The method further comprises transmitting, to the MME, a message triggering establishment of a connection between the SCEF and the MME for delivering the non-IP data. Other devices and methods for connection establishment between MME and SCEF are also provided.