公开(公告)号：US11218917B2

公开(公告)日：2022-01-04

申请号：US16229683

申请日：2018-12-21

Applicant: Mediatek Inc.

Inventor： Zong-Syun Lin ,  Yuhhua Hu

IPC: H04W36/00 ,  H04L29/06 ,  H04W36/14 ,  H04W36/22

Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a UE. The UE establishes a connection with a base station on a cell of the base station. The UE connects, through the cell, to a packet data network (PDN) gateway to access a PDN. The UE communicates with a security gateway via the PDN gateway and the PDN. The UE transfers, using a first source IP address, a secure tunnel between the UE and the security gateway initiated over a wireless access network to the PDN accessed through the cell.