Samsung Electronics Co., Ltd.

Hongjin Choi

Duckey Lee

Youngkyo Baek

Jungje Son

Taehyung Lim

A method and device for applying a different security policy, per service traffic, to a protocol data unit (PDU) session in a wireless communication system. The method comprises receiving, by a session management function (SMF) managing a session for a user equipment (UE), first configuration information about a first user plane security policy of the UE from a unified data management (UDM) managing subscription information about the UE, receiving, by the SMF, second configuration information about a second user plane security policy to be applied to a specific service data flow from a policy and control function (PCF) managing a policy and charging control (PCC) rule, and determining a user plane security policy to be applied to the UE based on one selected from the first user plane security policy and the second user plane security policy according to priority.

Growing community of inventors

Suwon-si, South Korea

Hongjin Choi