公开(公告)号：US20240284315A1

公开(公告)日：2024-08-22

申请号：US18443929

申请日：2024-02-16

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyungjoo SUH

IPC: H04W48/16 ,  H04W60/00 ,  H04W84/06 ,  H04W88/06

CPC classification number: H04W48/16 ,  H04W60/00 ,  H04W84/06 ,  H04W88/06

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. According to an embodiment, a method by a user equipment (UE) communicating with a satellite radio access network (RAN) and a cellular network may comprise transmitting, to an access and mobility management function (AMF), a registration request message including information about the UE's supporting capability for each of a first timer for the satellite RAN and a second timer for the cellular network, an access cell type, and location information, receiving, from the AMF, a registration accept message including supporting information about a network related to the first timer and the second timer and mobility management information, and determining at least one timer to be used by the UE of the first timer and the second timer based on the supporting information about the network and the mobility management information.

公开(公告)号：US20220330028A1

公开(公告)日：2022-10-13

申请号：US17710846

申请日：2022-03-31

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyungjoo SUH

IPC: H04W12/37 ,  H04W12/10 ,  H04W60/04

Abstract: A method, performed by a user equipment (UE), for protecting data includes: transmitting an attach request message including at least one security protection parameter regarding a UE capability to support a security protection for a user plane, to a mobility management entity (MME) via a base station; and in case that a security policy is determined at a policy charging function (PCF) based on the attach request message and information of the security policy is received at the MME, receiving an attach accept message including at least one security protection parameter regarding a network capability for the security policy related with an evolved packet system (EPS) bearer, from the MME via the base station.

公开(公告)号：US20220210848A1

公开(公告)日：2022-06-30

申请号：US17599864

申请日：2020-03-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyungjoo SUH ,  Kisuk KWEON

IPC: H04W76/12 ,  H04W76/11 ,  H04W4/90

Abstract: The present disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a higher data transfer rate beyond a 4th generation (4G) communication system such as long term evolution (LTE). According to various embodiments, a device of user equipment (UE) in a wireless communication system may comprise at least one transceiver and at least one processor operably connected to the at least one transceiver, wherein the at least one processor is configured to: perform data communication on the basis of a first protocol data unit (PDU) session through a first access network; transmit a PDU session establishment request message for generating a second PDU session, to the network entity of a session management function (SMF) through a second access network; receive a PDU session establishment accept message from the network entity of the SMF; and perform data communication on the basis of the first PDU session and the second PDU session according to the PDU session establishment accept message, wherein the first access network comprises one of 3rd generation partnership project (3GPP) access and non-3GPP access, and the second access network comprises the remaining one of the 3GPP access and non-3GPP access.

公开(公告)号：US20200336952A1

公开(公告)日：2020-10-22

申请号：US16957373

申请日：2019-01-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyungjoo SUH ,  Youngkyo BAEK

IPC: H04W36/00 ,  H04W12/04 ,  H04W36/14

Abstract: The present disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a higher data transfer rate beyond a 4th generation (4G) communication system, such as long-term evolution (LTE). According to various embodiments of the present disclosure, a security method of a mobility management apparatus of a second system in a wireless environment may comprise the steps of: receiving a handover request for a terminal connected to a first system; transmitting the handover request to a base station of the second system; and receiving a handover ACK including security information generated by the base station of the second system and transmitting the same to the first system.

公开(公告)号：US20250106739A1

公开(公告)日：2025-03-27

申请号：US18898339

申请日：2024-09-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kyungjoo SUH

IPC: H04W48/14 ,  H04W60/04 ,  H04W76/12 ,  H04W84/06

Abstract: Provided is a 5th generation (5G) or 6th generation (6G) communication system for supporting a higher data rate. A method performed by a user equipment may include transmitting a registration request message to an access and mobility management function (AMF), receiving a registration accept message from the AMF, transmitting a protocol data unit (PDU) session establishment request message to a session management function (SMF), receiving a PDU session establishment accept message from the SMF, and receiving a configuration update message from the AMF.

公开(公告)号：US20240080662A1

公开(公告)日：2024-03-07

申请号：US18271599

申请日：2022-01-12

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyungjoo SUH

IPC: H04W12/041 ,  H04L9/08

CPC classification number: H04W12/041 ,  H04L9/0869

Abstract: The present disclosure relates to a technique of supporting security in a wireless communication system. According to an embodiment of the disclosure, in case that a master key of a security key is generated at an authentication server function (AUSF) according to a message for notifying about expiration of the security key used in communication between the UE and an application function (AF) being received at the AUSF, the UE may receive an authentication request message including random number information used in generation of the masker key from an access and mobility management function (AMF) connected to the AUSF, may transmit an authentication request response message, based on reception of the authentication request message, and may generate the master key, based on the received random number information, wherein the authentication request message is transmitted from the AMF to the UE when a key refresh triggering message including the random number information is received by the AMF from the AUSF.

公开(公告)号：US20240031789A1

公开(公告)日：2024-01-25

申请号：US18355203

申请日：2023-07-19

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyungjoo SUH

IPC: H04W8/06 ,  H04W60/00

CPC classification number: H04W8/06 ,  H04W60/00

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. The disclosure provides a method, an apparatus, and a system for supporting mobility of a terminal.

公开(公告)号：US20230254679A1

公开(公告)日：2023-08-10

申请号：US18107213

申请日：2023-02-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyungjoo SUH

IPC: H04W8/06

CPC classification number: H04W8/06 ,  H04W84/042

Abstract: The disclosure relates to a 5G or 6G communication system for supporting higher data rates. A method performed by a UE includes transmitting, to a first VPLMN, a first registration request message; receiving, from the first VPLMN, a registration accept message including roaming information associated with an HPLMN; validating the roaming information; based on a result of the validating, setting a timer for releasing a PDU session with the first VPLMN; based on the timer, performing a local release for the PDU session with the first VPLMN; based on the roaming information, selecting a second VPLMN; and transmitting, to the second VPLMN, a second registration request message.

公开(公告)号：US20230085267A1

公开(公告)日：2023-03-16

申请号：US17904087

申请日：2021-02-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyungjoo SUH

IPC: H04W4/90

Abstract: The disclosure relates to a device and a method for providing an emergency message in a wireless communication system. An embodiment of the disclosure provides a method and a device for providing an emergency message to a terminal by a base station communicating with the terminal via a wireless interface in a wireless communication system in which the base station comprises one central unit (CU) and one or more distributed units (DUs).

公开(公告)号：US20230059557A1

公开(公告)日：2023-02-23

申请号：US17791127

申请日：2021-01-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyungjoo SUH

IPC: H04W12/06

Abstract: The disclosure relates to a 5th Generation (5G) or pre-5G communication system for supporting a data transfer rate higher than that of a post-4th Generation (4G) communication system such as Long Term Evolution (LTE). According to various embodiments of the disclosure, a method of operating a terminal in a wireless communication system is provided. The method includes transmitting a first registration request message to a network node, based on information of a first network slice, receiving an authentication command message regarding the first network slice from the network node, transmitting an authentication complete message regarding the first network slice to the network node, receiving an authentication result message regarding the first network slice from the network node, configuring a timer to have a specific timer value, if the authentication result message indicates a failure in authentication for the first network slice, and transmitting a second registration request message to the network node, based on information of a second network slice after the timer expires.