METHOD AND APPARATUS FOR PROVIDING SERVICE IN WIRELESS COMMUNICATION SYSTEM

    公开(公告)号:US20210212136A1

    公开(公告)日:2021-07-08

    申请号:US17135229

    申请日:2020-12-28

    Abstract: 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 REGISTERING WITH NETWORK SLICE IN WIRELESS COMMUNICATION SYSTEM

    公开(公告)号:US20210212010A1

    公开(公告)日:2021-07-08

    申请号:US17247995

    申请日:2021-01-04

    Abstract: 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.

    APPARATUS AND METHOD FOR CONTROLLING NETWORK SLICE DATA RATE IN WIRELESS COMMUNICATION SYSTEM

    公开(公告)号:US20210211970A1

    公开(公告)日:2021-07-08

    申请号:US17140590

    申请日:2021-01-04

    Abstract: The disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a higher data rate after a 4th generation (4G) communication system such as long term evolution (LTE). According to various embodiments, a method for operating a network node in a wireless communication system is provided. The method comprises obtaining slice policy information including a maximum data rate, monitoring a data rate of protocol data unit (PDU) sessions associated with the slice, determining whether a sum of data rates of PDU sessions associated with the slice exceeds the maximum data rate, transmitting, to a second network node, a policy enforcement request message for controlling the sum of data rates of the PDU sessions associated with the slice.

    METHOD AND SYSTEM FOR NETWORK SLICE AUTHENTICATION AND AUTHORIZATION

    公开(公告)号:US20210160769A1

    公开(公告)日:2021-05-27

    申请号:US17087490

    申请日:2020-11-02

    Abstract: 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. Embodiments disclose a method and system for handling a network slice specific authentication and authorization (NSSAA) process in a wireless network system.

    METHOD AND APPARATUS FOR REGISTRATION TYPE ADDITION FOR SERVICE NEGOTIATION

    公开(公告)号:US20210092665A1

    公开(公告)日:2021-03-25

    申请号:US17113714

    申请日:2020-12-07

    Abstract: An apparatus and method are provided for steering a PDU session associated with traffic routed to a selected UPF. The method includes receiving, from an AF entity, a first message including information for selecting a UPF entity for traffic routing of a terminal and information on a spatial condition associated with a location of the terminal; transmitting, to an SMF entity, a second message to receive information associated with the location of the terminal indicating that the terminal entered or left a specific area, the specific area being determined by the PCF entity based on the spatial condition; receiving, from the SMF entity, a third message including the information associated with the location of the terminal; and transmitting, to the SMF entity, a fourth message based on the information associated with the location of the terminal included in the third message, the fourth message including the information for selecting the UPF entity for traffic routing of the terminal.

    DEVICE AND METHOD FOR PROVIDING NETWORK SLICE INTERWORKING IN WIRELESS COMMUNICATION SYSTEM

    公开(公告)号:US20200236528A1

    公开(公告)日:2020-07-23

    申请号:US16749308

    申请日:2020-01-22

    Abstract: The disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). A method for operating a user equipment (UE) in a wireless communication system is provided. The method comprises: transmitting, to a first base station (BS), a packet data network (PDN) connection request message; receiving, from the first BS, information on a first single-network slice selection assistance information (S-NSSAI) selected by a combination of a packet data network gateway control plane entity (PGW-C) and a session management function (SMF) from among the UE's at least one subscribed S-NSSAI; transmitting, to a second BS, a registration request message including a requested NSSAI in which the first S-NSSAI is included; and receiving, from the second BS, a registration accept message including an allowed NSSAI in which a second S-NSSAI mapped to the first S-NSSAI is included.

    METHOD AND APPARATUS FOR SUPPORTING VEHICLE COMMUNICATIONS IN 5G SYSTEM

    公开(公告)号:US20190313221A1

    公开(公告)日:2019-10-10

    申请号:US16377043

    申请日:2019-04-05

    Abstract: The disclosure relates to a communication method and system that combine the 5G communication system and the IoT technology to support a higher data rate after the 4G system. Based on the 5G communication technology and IoT technology, the disclosure can be applied to various intelligent services (e.g., smart home, smart building, smart city, smart or connected car, healthcare, digital education, retail business, and security and safety service). The disclosure relates to a method and apparatus for terminating a cellular network connection to a terminal without authentication. The disclosure relates to a method and system for providing a vehicle communication service in the 3GPP system.

    METHOD FOR CAPABILITY NEGOTIATION AND SLICE INFORMATION MAPPING BETWEEN NETWORK AND TERMINAL IN 5G SYSTEM

    公开(公告)号:US20190053148A1

    公开(公告)日:2019-02-14

    申请号:US16103537

    申请日:2018-08-14

    Abstract: Provided are a communication method and system that combine the 5G communication system with IoT technology to support a data rate higher than that of the 4G system. The present disclosure is based on 5G communication technology and IoT related technology and can be applied to intelligent services (e.g., smart home, smart building, smart city, smart or connected car, health care, digital education, retail business, security, and safety related services). A method is provided that enables the terminal and the 5G network to check each other's capability information to achieve interworking between network slices defined differently by different mobile network operators. The method for providing network slice information of a visited public land mobile network (VPLMN) in a wireless communication system includes generating mapping information by mapping first slice information for a visited public land mobile network (HPLMN) of a user equipment (UE) and second slice information for the VPLMN connected to the UE when roaming, and transmitting, to the UE, information corresponding to a slice requested by the UE, the information selected based on the mapping information.

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