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.

Abstract: In an aspect of the disclosure, an apparatus is provided. The apparatus connects to a security gateway via a packet data network (PDN) gateway. The apparatus further establishes a secure tunnel between the apparatus and the security gateway using a first source IP address.

Abstract: The present invention provides methods and apparatus for reducing Wi-Fi authentication process time in interworking of Long Term Evolution (LTE) and Wi-Fi. The method comprises: activating a Wi-Fi authentication process; monitoring a Wi-Fi signal quality; determining whether to stop the Wi-Fi authentication process according to the Wi-Fi signal quality; and stopping the Wi-Fi authentication process when the Wi-Fi signal quality does not satisfy a first specific condition. The UE comprises: a processing circuit, having functions of: activating a Wi-Fi authentication process; monitoring a Wi-Fi signal quality; determining whether to stop the Wi-Fi authentication process according to the Wi-Fi signal quality; and stopping the Wi-Fi authentication process when the Wi-Fi signal quality does not satisfy a first specific condition.