Samsung Electronics Co., Ltd.

Ulsan National Institute of Science and Technology

Jinsung Lee

Jungshin Park

Kisuk Kweon

Jicheol Lee

Sangjun Moon

Hyungho Lee

Beomsik Bae

Joohyung Lee

Daegyun Kim

Hoyeon Lee

Sunghoon Kim

Jung Shin Park

Jaesung Lee

Youngkyo Baek

Jungje Son

Hanna Lim

Hakyung Jung

Seunghyun Lee

Kwanghyun Won

Alper Yegin

Kyunghan Lee

Yeongmoon Son

Sunil Lee

Hyungki Kim

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

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).

Method and apparatus for operating wireless communication system having separated mobility management and session management

Disclosed is a 5G or pre-5G communication system for supporting a data transmission rate higher than that of a 4G communication system such as LTE. According to an embodiment of the present invention, a method of a terminal in a wireless mobile communication system comprises the steps of: receiving data network information including data network access permission region information and data network identification information; checking whether the terminal enters a data network access permission region, on the basis of the data network information; and performing a data network access procedure on the basis of the checking result.

Method and system for regional data network configuration in wireless communication network

The present disclosure relates to a communication scheme and system for converging a 5generation (5G) communication system for supporting a data rate higher than that of a 4generation (4G) system with an internet of things (IoT) technology. The present disclosure is applicable to intelligent services (e.g., smart homes, smart buildings, smart cities, smart cars, connected cars, health care, digital education, retails, and security and safety-related services) based on the 5G communication technology and the IoT-related technology. The present disclosure provides a method performed by an access and mobility management function (AMF) entity of a visited public land mobile network (VPLMN) in a communication system.

Network-initiated PDU session connection update method between terminal and network

The present disclosure relates to a pre-5-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4-Generation (4G) communication system such as Long Term Evolution (LTE). The embodiments in the present disclosure allow to transfer remaining data between different base stations in a dual-registration interworking process, which provides terminal mobility between 4G and 5G networks without a data loss. Further, it provides the terminal mobility with no data loss without changing 5G and 4G base station implementation through addition of a simple function of new equipment, such as SMF and UPF. Further, it supports different QoS and forwarding path units in the 5G/4G networks without changing 5G and 4G base station functions. Further, it exempts additional function implementation costs for re-ordering in a terminal and a network through in-order delivery of packets to the terminal without changing the packet order during 4G-5G network movement.

Method and apparatus for supporting data synchronization for 4G/5G dual-registered mobile communication terminal

Provided is an electronic apparatus including a first display, a second display, a lens array between the first display and the second display, a first polarization modulation array between the first display and the lens array, a second polarization modulation array between the lens array and the second display, a memory, and at least one processor configured to identify a first area having a luminance lower than a reference luminance in the second display, identify, to control a first luminance of the first area in the second display to be the reference luminance, a first polarization angle variation corresponding to a first area in the first polarization modulation array and a second polarization angle variation corresponding to a first area in the second polarization modulation array, control the first polarization modulation array based on the first polarization angle variation, and control the second polarization modulation array based on the second polarization angle variation.

Method and apparatus for controlling luminance

Disclosed are a communication scheme and a system thereof for converging an IoT technology and a 5G communication system for supporting a high data transmission rate beyond that of a 4G system. The present disclosure can be applied to intelligent services (for example, services related to a smart home, smart building, smart city, smart car, connected car, health care, digital education, retail business, security, and safety) based on the 5G communication technology and the IoT-related technology. The present disclosure relates to a method of a session management function (SMF) entity in a communication system.

Method of processing anchor user plane function (UPF) for local offloading in 5G cellular network

The present disclosure relates to a communication scheme and system for converging a 5generation (5G) communication system for supporting a data rate higher than that of a 4generation (4G) system with an Internet of things (IoT) technology. The present disclosure is applicable to intelligent services (e.g., smart homes, smart buildings, smart cities, smart cars, connected cars, health care, digital education, retails, and security and safety-related services) based on the 5G communication technology and the IoT-related technology. The present disclosure provides a method performed by a session management function (SMF) entity in a communication system, which includes identifying whether a terminal is moved out of a service area corresponding to a protocol data unit (PDU) session; and in case that the terminal is moved out of the service area corresponding to the PDU session, transmitting, to a user plane function (UPF) entity a first request message to remove information on a connection between a base station and the UPF entity, the connection being associated with the PDU session.

The present disclosure relates to a communication technique for fusing, with an IoT technology, a 5G communication system for supporting a higher data transmission rate than a 4G system, and a system therefor. The present disclosure may be applied to intelligent services, such as smart homes, smart buildings, smart cities, smart cars or connected cars, health care, digital education, retail businesses, and security and safety related services, on the basis of 5G communication technologies and IoT-related technologies. The present invention, according to one embodiment, may provide a method for requesting a service by a terminal, the method comprising the steps of: receiving, from a first network core, information for instructing a second network priority traffic; on the basis of the information for instructing the second network priority traffic, searching for a cell of a second network; and, if a cell accessible to the second network exists, transmitting a service request to the second network.

Method and device for providing service in wireless communication system

The present 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). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present disclosure further relates to a method by a session management function (SMF) in a network including a session that is established via a first user plane function (UPF). The method includes determining whether to change the first UPF to a second UPF, and transmitting, to a terminal via an access and mobility function (AMF), a first message including a maintain time of the session established via the first UPF, when the first UPF needs to be changed.

Method and apparatus for managing session to change a user plane function in a wireless communication system

The present 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). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present disclosure relates to a method for supporting a session continuity for a terminal in a 5G cellular wireless communication system.

Growing community of inventors

Suwon-si, South Korea

Jinsung Lee