Samsung Electronics Co., Ltd.

Korea Advanced Institute of Science and Technology

Korea University Research and Business Foundation

Hoyeon Lee

Jungje Son

Youngkyo Baek

Sunghoon Kim

Sangsoo Jeong

Jungshin Park

Yoonseon Han

Seungri Jin

Lalith Kumar

Kisuk Kweon

Jinsung Lee

Kyungjoo Suh

Erik Guttman

Danish Ehsan Hashmi

Varini Gupta

Andrew Bennett

Ashok Kumar Nayak

Songyean Cho

Rajavelsamy Rajadurai

Sangyeob Jung

Dongyeon Kim

Sung Hwan Won

Suyoung Park

Sangjun Moon

Kundan Tiwari

Arijit Sen

Koustav Roy

Soenghun Kim

Jaehyuk Jang

Sangbum Kim

Younsun Kim

Sungjin Park

Donggun Kim

Duckey Lee

Hyewon Lee

Jonghan Park

Chung Gu Kang

Hyeonmok Ko

Mehrdad Shariat

Keonyoung Lee

Young Kyo Baek

Jinuk Lee

Seungryong Cho

Youngsung Kho

Miran Park

Guttman Erik

Dongeun Suh

Yunsun Baek

Chan Seok Yang

Jun Man Lee

The present disclosure relates to a 5th (5G) generation or pre-5G communication system for supporting a higher data transmission rate beyond a 4th (4G) generation communication system such as long term evolution (LTE). The present disclosure is to process policy and parameter information for providing a service in a wireless communication system, and an operating method of a base station may include obtaining mapping information of service quality related to direct communication between a first system and a second system, and switching between the quality of service of the first system and the quality of service of the second system using the mapping information.

Device and method for processing service policy in wireless communication system

A method of a network function (NF) entity performing communication in a wireless communication system includes: in case that a first registration request of a user equipment (UE) for a slice is received at an access and mobility function (AMF) entity through a first network, receiving a first slice availability request message for the slice from the AMF entity; determining whether the slice is available for the UE, based on a network slice policy; and transmitting, to the AMF entity, a response message including information regarding slice availability of the UE according to the first registration request, wherein in case that a second registration request of the UE for the slice is received at the AMF entity through a second network, slice availability of the UE according to the second registration request is determined based on at least one of the network slice policy or the information regarding the slice availability of the UE according to the first registration request.

Method and apparatus for registering with network slice in wireless communication system

A method of supporting inter-system mobility of a first entity includes receiving a create session request message including information about an Access Point Name (APN), for which a user equipment requests a packet data network (PDN) connection, subscriber identification information of the user equipment, and a field indicating capability information of the user equipment about slice identification information, determining, based on the create session request message, whether movement to a 5G system (5GS) is required for the PDN connection, transmitting, based on a result of the determining, to a second entity, a subscriber information request including the subscriber identification information and the APN information, receiving, from the second entity, a response to the subscriber information request including identification information of one or more subscribed network slices corresponding to the subscriber identification information, and providing, to the user equipment, at least one piece of identification information of the one or more subscribed network slices.

Method and apparatus for supporting inter-system mobility in wireless communication systems

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Embodiments herein disclose a wireless network and methods to maintain a MA PDU session at a NSACF entity. The method includes determining, by a SMF entity, that a PDU session is the MA PDU session based on an indication from a UE. Further, the method includes indicating, by the SMF entity, that the PDU session is the MA PDU session to the NSACF entity in response to determination. The wireless network may maintain the count accurately even though the PDU session is a MA PDU session.

Wireless network and methods to maintain MA PDU session at NSACF

A method performed by a user equipment (UE) in a wireless communication system is provided. The method includes transmitting, to an access and mobility function (AMF), a registration request message for moving to a first public land mobile network (PLMN) from a second PLMN, receiving, from the AMF, a registration accept message including first single-network slice selection assistance information (S-NSSAI) corresponding to the first PLMN of the AMF, determining whether second S-NSSAI associated with a protocol data unit (PDU) session established for the UE matches to the first S-NSSAI, wherein the second S-NSSAI corresponds to the second PLMN, and locally updating the PDU session based on a result of the determining.

Apparatus and method for supporting session continuity in wireless communication system

The disclosure relates to a communication technique of converging a 5generation (5G) communication system for supporting higher data rates after a 4generation (4G) system with Internet of things (IoT), and a system therefor. The disclosure provides a method performed by a first network entity managing a packet data network (PDN) session in a wireless communication system supporting interworking between a first and second networks. The method comprises receiving subscription update information of a user equipment (UE) for which a PDN connection associated with a network slice is established in the second network, the network slice being subscribed in the first network, determining whether to release the PDN connection if the subscription update information includes information notifying that network slice related information of the UE is changed, and performing a release of the PDN connection associated with the network slice if the release of the PDN connection is determined.

Method and apparatus for performing communication to use network slice in wireless communication system

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Embodiments herein provide a method of an access and mobility management function (AMF). The method includes monitoring whether a user equipment (UE) registered to a network slice establishes a protocol data unit (PDU) session using the network slice for a time, determining that the UE does not establish the PDU session in the time based on an expiration of a timer and deregistering the UE for the network slice.

Method and AMF apparatus for NSAC operation based on UE's actual usage

The present disclosure relates to a communication method and system for converging a 5-Generation (5G) communication system for supporting higher data rates beyond a 4-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 of supporting a network slice of a network and a user equipment (UE) when the UE moves between a 4G network and a 5G network in the 3GPP 5G network technology.

Method and apparatus for supporting network slice when UE moves between 4G and 5G networks

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method and an apparatus for efficiently providing network slicing in a wireless communication system or a mobile communication system are provided.

Method and apparatus for supporting network slice in wireless communication system

An operation method of a first network entity in a wireless communication system, includes: receiving, from a terminal, a registration request message regarding a plurality of subscriber identity modules (SIMs); performing a procedure for registering the plurality of SIMs, based on the registration request message; determining priorities between at least one registered SIM; and transmitting, to the terminal, a registration accept message including information about the priorities.

Service providing method and device using plurality of SIMs

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. According to the embodiments of the present disclosure, various methods by which the 5G system is able to dynamically determine the appropriate UP path to exchange interactive service data either via the ProSe Communication path (direct) or via the 5GC path are provided. Also, according to the embodiments of the present disclosure, a method of addressing shortcomings in a discovery procedure related to the formation and management of such NCIS groups is provided.

Dynamic path switching

Disclosed are a method and device for controlling the rate of data transmitted/received by a terminal in a wireless communication system. A method according to an embodiment of the present disclosure is a data rate control method of a terminal in an access and mobility management function (AMF) device of a wireless communication system, wherein the method may include the operations of: receiving, from the terminal, a registration request message, including an identifier of the terminal, transmitting the registration request message including the identifier of the terminal to a unified data management (UDM), receiving subscription information, including network slice information which can be allocated to the terminal, from the UDM, querying a policy control function (PCF) device about policy association of the terminal including the network slice information, receiving a policy association response message, including information about restricting the total transmission rate of serving network slices, from the PCF, and providing the information about restricting the total transmission rate of the serving network slices to a base station of the terminal.

Method and device for controlling data rate in wireless communication system

A communication scheme and system converges a 5G communication system supporting a data rate higher than that of a 4G system with an internet of things (IoT) technology. 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), the communication scheme and system is based on the 5G communication technology and the IoT-related technology. Methods of operation a terminal and a network for facilitating a 5G terminal registration procedure in a wireless communication system are disclosed.

Network slice-available area information acquisition method

A communication technique of fusing a fifth generation (5G) communication for supporting higher data transmission rate beyond a fourth generation (4G) system with an Internet of things (IoT) technology and a system thereof is provided. The technique may be applied to an intelligent service (smart home, smart building, smart city, smart car or connected car, health care, digital education, retail business, security and safety related service, or the like) based on the 5G communication technology and the IoT related technology. A method is provided for effectively managing a registration state for a terminal in a 5G core network such as an access and mobility management function (AMF) in a situation of accessing a 5G network via a non-3rd generation partnership project (3GPP) access.

Registration management method for terminal accessing 5G network on non-3GPP access

Provided are a method and user equipment for performing device-to-device communication by a user equipment in a wireless communication system, the method, performed by a user equipment, of performing device-to-device communication in a wireless communication system may include: receiving information about a data path, from a network entity; determining, based on the information about the data path, a data path for the device-to-device communication as a path through a Uu interface or a path through a PC5 interface; and performing the device-to-device communication via the determined data path.

Direct communication session management method and apparatus in wireless communication system

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Seoul, South Korea

Hoyeon Lee