Samsung Electronics Co., Ltd.

Korea University Research and Business Foundation

Ulsan National Institute of Science and Technology

Kisuk Kweon

Jungshin Park

Sangjun Moon

Jicheol Lee

Beomsik Bae

Jinsung Lee

Hyungho Lee

Sangsoo Jeong

Joohyung Lee

Daegyun Kim

Yoonseon Han

Kyungjoo Suh

Sunghoon Kim

Youngkyo Baek

Jungje Son

Hoyeon Lee

Hanna Lim

Jaewook Lee

Hyesung Kim

David Gutierrez Estevez

Joonwoo Kim

Sangheon Pack

Jung Shin Park

Haneul Ko

Yujin Tae

Joan Pujol Roig

Yongseok Park

Sangjin Kim

Alper Yegin

Hakyung Jung

Kyunghan Lee

Hyunah Oh

Jinyoung Lee

Sanggon Lee

Franklin Antony

The present disclosure relates to a communication technique for converging IoT technology with a 5G communication system for supporting a higher data transmission rate beyond a 4G system, and a system therefor. The present disclosure may be applied to an intelligent service (for example, a smart home, a smart building, a smart city, a smart car or connected car, health care, digital education, retail business, a security and safety-related service, etc.) on the basis of 5G communication technology and IoT-related technology. A method carried out by a network data analytics function (NWDAF) device, and a device for carrying out same may be provided according to various embodiments of the present disclosure, the method comprising the steps of: acquiring, for a protocol data unit (PDU) session, traffic pattern-related information, traffic type-related information and current time-related information; determining an inactivity timer value for the PDU session on the basis of the traffic pattern-related information, traffic type-related information and current time-related information; and transmitting the inactivity timer value to a session management function (SMF) device.

AI-based inactivity timer determination method and device in wireless communication system

A 5generation (5G) or 6generation (6G) communication system for supporting a higher data transmission rate is provided. Also, a method performed by an access and mobility management function (AMF) entity is provided. The method includes after performing a deregistration process with respect to user equipment (UE) registration for onboarding of a first UE, storing information about the first UE and starting a timer, while the timer is running, receiving, from a second UE, a UE registration request message for onboarding of the second UE, and based on the stored information, rejecting the UE registration request message, when the first UE and the second UE are the same as each other.

Method and apparatus for restricting terminal registration for terminal onboarding in wireless communication system

The disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). A method is provided for operating a terminal in a wireless network, including configuring a restricted packet data unit session with a provisioning server (PVS); transmitting a remote provisioning request message including a subscription permanent identifier to the PVS; and receiving a remote provisioning response message in response to the remote provisioning request message. The remote provisioning response message includes standalone non-public network credentials and subscription data of a terminal in case that a remote provisioning for the terminal is approved.

Method and apparatus for UE authentication for remote provisioning

The present disclosure relates to a communication technique that combines a 5G communication system for supporting a higher data transmission rate than a 4G system with IoT technology, and a system therefor. The present disclosure may be applied to intelligent services (e.g. smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail businesses, security and safety-related services, etc.) on the basis of 5G communication technology and IoT-related technology. A method performed by a session management function (SMF) entity in a communication system, according to one embodiment of the present disclosure, may comprise the steps of: performing a packet data unit (PDU) session establishment procedure; identifying a QoS flow generated for ultra reliable low latency communication (URLLC) in a PDU session; identifying whether an indicator indicating that the PDU session is an Always-on PDU Session has ever been transmitted to a terminal; and when it is identified that the indicator has not been transmitted to the terminal, transmitting the indicator to the terminal.

Method and apparatus for modifying PDU session and always-on PDU session in wireless communication system

The present disclosure relates to: a communication technique merging IoT technology with a 5th generation (5G) or pre-5G communication system for supporting a data transmission rate higher than that of a 4th generation (4G) communication system such as long term evolution (LTE); and a system therefor. The present disclosure can be applied to intelligent services (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail, security- and safety-related services, and the like) on the basis of 5G communication technology and IoT-related technology. According to various embodiments of the present invention, a method and device for requesting packet delay status by using an UPF event exposure service be provided.

UPF service-based packet delay status event exposure service method and device

The present disclosure relates to a 5generation (5G) or pre-5G communication system for supporting a higher data transfer rate beyond a 4generation (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.

Device and method for managing session in wireless communication system

Disclosed is a method, performed by an access and mobility management function, of providing a user equipment (UE) with update information regarding at least one UE parameter. The method includes receiving, from the UE, a registration request message, transmitting, to a unified data management (UDM), a UE context management registration message based on the registration request message, receiving, from the UDM, update information regarding the UE parameter, in response to the UE context management registration message, wherein the update information regarding the UE parameter includes information regarding preferred SNPN and information regarding a list of group identifiers for network selection (GINs), and transmitting, to the UE, the update information regarding the UE parameter including the information regarding preferred SNPN and the information regarding the list of GINs.

Method and apparatus for supporting UDM update data for NPN

A method performed by an application function (AF) in a wireless communication system is provided. The method includes receiving, from a session management function (SMF), a late notification message indicating a change of a data network access identifier (DNAI), identifying whether an AF change is needed based on the late notification message, and transmitting, to the SMF, a response message including information for change to a target AF for a target DNAI based on a result of identifying that the AF change is needed.

Method and apparatus for transmitting notification to target AF in wireless communication system

The present disclosure relates to: a communication technique merging IoT technology with a 5G communication system for supporting a data transmission rate higher than that of a 4G system; and a system therefor. The present disclosure can be applied to intelligent services (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail, security- and safety-related services, and the like) on the basis of 5G communication technology and IoT-related technology. A terminal in a wireless communication system according to one embodiment of the present invention can select a server of an onboarding stand-alone non-public network (SNPN).

Method and apparatus retrieving and selecting server for terminal authentication and subscriber data transmission

The present disclosure relates to a method and apparatus for allowing a user equipment (UE) to manage a session in a wireless communication system. According to an embodiment of the present disclosure, the UE may transmit a first uplink (UL) non-access stratum (NAS) transport message including a packet data unit (PDU) session establishment request to an access and mobility management function (AMF), receive a downlink (DL) NAS transport message from the AMF, and transmit a second UL NAS transport message including the PDU session establishment request based on a timer.

Method and apparatus for managing session in wireless communication system

The present invention relates to a communication system and method for merging, with IoT technology, a 5G communication system for supporting a data transmission rate higher than that of a 4G system. The present invention provides a system and method by which a user equipment (UE) transmits, to an access and mobility management function (AMF), a first message including information related to a network slice in a first authentication, and receives, from the AMF, a third message including a result of a second authentication, wherein whether to require the second authentication is determined by the AMF based on the information and subscription information, and wherein the second authentication between the UE and a server is triggered based on the determination.

Method for requesting authentication between terminal and 3rd party server in wireless communication system, terminal therefor, and network slice instance management device

A method for an access and mobility management function (AMF) to register a user equipment (UE) and establish a session in a standalone non-public network (SNPN) is provided. The method includes receiving a registration request message from the UE through a base station, wherein the registration request message includes an onboarding indication, an onboarding subscriber concealed identifier (SUCI) set to 'SNPN onboarding,' and default UE credentials, selecting a session management function (SMF) to establish a restricted protocol data unit (PDU) session for remote provisioning of the UE, transmitting a PDU session establishment request message to the selected SMF, receiving a PDU session establishment response message including information indicating PDU session establishment acceptance and a PDU session identifier (ID) from the SMF, and transmitting a message indicating UE registration and PDU session establishment acceptance to the UE through the base station.

Method and apparatus for registration and protocol data unit session establishment for onboarding of user equipment in mobile communication system

The disclosure provides a method, performed by a user equipment (UE), of processing a non-access stratum (NAS) message, the method including: receiving a paging request message from an access and mobility management function (AMF); transmitting a service request message to the AMF; receiving a service accept message from the AMF; receiving a session management message from a session management function (SMF); and after receiving the session management message, receiving a UE configuration update command message from the AMF.

Method and device for processing NAS message information in wireless communication system

A method of performing communication, by a network exposure function (NEF), in a wireless communication system is provided. The method includes receiving a connection establishment request from a session management function (SMF), based on a protocol data unit (PDU) session establishment procedure performed between the SMF and a user equipment (UE), performing a non-internet protocol (IP) data delivery (NIDD) configuration procedure according to NIDD configuration information included in the connection establishment request, based on whether the NIDD configuration procedure is previously performed on the UE between the NEF and an application function (AF), establishing connection between the SMF and the NEF, and transmitting a connection establishment response to the SMF.

Method and apparatus for transmitting and receiving data in wireless communication system

The present invention defines signaling required for separating a network entity (NE) responsible for mobility management (MM) and session management (SM), which are main function of a control plane (CP) in a next generation (NextGen) mobile communication system, and presents a basic procedure for providing mobile communication services including the signaling. Therefore, complexity of core equipment responsible for the CP is reduced in order to implement a network slice function and provide various levels of mobility, and an effect of minimizing a signaling load therebetween can be obtain. In addition, it is possible to efficiently manage the resources of a base station (radio access network (RAN)) and a user plane network entity (UP NF).

Growing community of inventors

Suwon-si, South Korea

Kisuk Kweon