Samsung Electronics Co., Ltd.

Korea Advanced Institute of Science and Technology

Osong Medical Innovation Foundation, Korea University Research and Business Foundation

Hoyeon Lee

Jungje Son

Youngkyo Baek

Sangsoo Jeong

Sunghoon Kim

Jungshin Park

Yoonseon Han

Seungri Jin

Lalith Kumar

Kisuk Kweon

Jinsung Lee

Kyungjoo Suh

Danish Ehsan Hashmi

Erik Guttman

Varini Gupta

Andrew Bennett

Ashok Kumar Nayak

Rajavelsamy Rajadurai

Songyean Cho

Sangyeob Jung

Dongyeon Kim

Dongeun Suh

Sung Hwan Won

Suyoung Park

Sangjun Moon

Kundan Tiwari

Arijit Sen

Koustav Roy

Soenghun Kim

Jaehyuk Jang

Sungjin Park

Younsun Kim

Sangbum Kim

Donggun Kim

Duckey Lee

Hyunjeong Kang

Sangkyu Baek

Hyewon Lee

Jonghan Park

Chung Gu Kang

Hyeonmok Ko

Mehrdad Shariat

Keonyoung Lee

Young Kyo Baek

Jinuk Lee

Seungryong Cho

Youngsung Kho

Miran Park

Yunsun Baek

Guttman Erik

Chan Seok Yang

Jun Man Lee

A method performed by an access and mobility management function (AMF) in a wireless communication system may include: transmitting, to a network slice admission control function (NSACF), a request message for a slice availability check including information regarding an access type of a user equipment (UE), based on a registration request of the UE for one or more single network slice selection assistance information (S-NSSAI); in case that the slice availability check is performed for the one or more S-NSSAIs at the NSACF, based on the access type of the UE, receiving a response message including information regarding a result of the slice availability check, from the NSACF; and transmitting a registration response for the one or more S-NSSAIs to the UE, based on the response message.

Method and apparatus for managing registration of network slice in wireless communication system

The present disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a higher data transfer rate than 4th generation (4G) communication systems such as long term evolution (LTE). An operating method for a base station in a wireless communication method comprises a step for transmitting a first message to another base station, and a step for receiving a second message from the other base station, the first message comprising information indicating whether the base station supports at least one of an alternative quality of service (QoS) profile function and a QoS flow establishment queue function.

Device and method for supporting quality of service in wireless communication system

A method performed by an access and mobility management function (AMF) in a wireless communication is provided. The method includes transmitting, to a policy control function (PCF), a policy create request message including first allowed network slice selection assistance information (NSSAI), receiving, from the PCF, a policy create response message including first session management function (SMF) selection management information, in a case that an establishment of a first protocol data unit (PDU) session is requested from a terminal, establishing the first PDU session based on the first SMF selection management information, in a case that the first NSSAI is changed, transmitting, to the PCF, a policy update request message including second allowed NSSAI based on the policy control request trigger, and receiving, from the PCF, a policy update response message including second SMF selection management information.

Method and apparatus for providing service in wireless communication system

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Provided are an access and mobility management function (AMF) and a method performed by an AMF, including receiving, from a terminal, a registration request message for a protocol data unit (PDU) session including information on a requested slice associated with the PDU session; determining whether the requested slice is allowed and whether the requested slice is for a network slice admission control (NSAC); if the requested slice is allowed for the terminal and is for the NSAC, determining whether the requested slice is exempt from the NSAC for the PDU session; and if the requested slice is exempt from the NSAC for the PDU session, transmitting, to the terminal, a registration accept message as a response to the registration request message.

Method and apparatus for providing network slices in wireless communications systems

The disclosure relates to a 5G or a 4G communication system for supporting a higher data transmission rate. The present disclosure relates to a method and a device for processing sidelink resource allocation in a V2X system. According to various embodiments of the present disclosure, in a wireless communication system, a terminal may include at least one transceiver and at least one processor coupled to the at least one transceiver. The at least one processor may be configured to: acquire aggregate maximum bit rate (AMBR) information regarding a PC5 unicast link for sidelink communication of the terminal; provide the AMBR information to a base station; receive information regarding a resource for the sidelink communication, which has been allocated on the basis of the AMBR information, from the base station; and transmit data following the sidelink communication to another terminal on the basis of the resource.

Device and method for allocating resource in wireless communication system

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

Growing community of inventors

Seoul, South Korea

Hoyeon Lee