WO2019216546A1 - 무선 통신 시스템에서 ladn 이용 방법 및 이를 위한 장치 - Google Patents
무선 통신 시스템에서 ladn 이용 방법 및 이를 위한 장치 Download PDFInfo
- Publication number
- WO2019216546A1 WO2019216546A1 PCT/KR2019/003447 KR2019003447W WO2019216546A1 WO 2019216546 A1 WO2019216546 A1 WO 2019216546A1 KR 2019003447 W KR2019003447 W KR 2019003447W WO 2019216546 A1 WO2019216546 A1 WO 2019216546A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ladn
- information
- amf
- service
- registration
- Prior art date
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/12—Setup of transport tunnels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/50—Service provisioning or reconfiguring
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
- H04W60/04—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration using triggered events
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/06—Registration at serving network Location Register, VLR or user mobility server
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
Definitions
- the present invention relates to a wireless communication system, and more particularly, to a method for a user equipment (UE) to use a local area data network (LADN) and an apparatus supporting the same.
- UE user equipment
- LADN local area data network
- Mobile communication systems have been developed to provide voice services while ensuring user activity.
- the mobile communication system has expanded not only voice but also data service.As a result of the explosive increase in traffic, a shortage of resources and users are demanding higher speed services, a more advanced mobile communication system is required. have.
- An object of the present invention is to propose a method for the UE to effectively use LADN.
- An aspect of the present invention is to establish a Protocol Data Unit (PDU) session for a Local Area Data Network (LADN) service by a User Equipment (UE) in a wireless communication system.
- AMF access and mobility management function
- a transceiver comprising: a transceiver; And a processor for controlling the transceiver, wherein the processor transmits a registration request to an access and mobility management function (AMF), wherein the registration request is based on the LADN information for the LADN service.
- AMF access and mobility management function
- the registration request is a delimiter for distinguishing a request for only LADN information supporting a service from the AMF or a request for LADN information commonly applied to a Public Land Mobile Network (PLMN) and / or a LADN previously received. It may further include version information of the information.
- PLMN Public Land Mobile Network
- the registration acceptance may include only LADN information supporting a service in the AMF or LADN information commonly applied to the PLMN.
- the registration acceptance may include only the LADN information whose version is updated compared to the version information of the LADN information based on the version information of the LADN information.
- the registration request may be sent to the AMF when setting a policy regarding LADN discovery and when the UE determines discovery of the LADN information based on the policy regarding LADN discovery.
- the discovery of the LADN information may be determined.
- the policy regarding the LADN discovery may be determined independently for each UE.
- the policy regarding the LADN discovery may be pre-configured to the UE.
- it may receive a policy regarding the LADN discovery from the AMF.
- the UE can effectively use LADN.
- the UE can prevent the reception of unnecessary LADN information for every registration / update of the LADN information.
- a more flexible LADN service may be provided for each UE by generating (determining) a LADN discovery policy for each UE.
- FIG. 1 illustrates a wireless communication system architecture to which the present invention may be applied.
- FIG. 2 is a diagram illustrating a radio protocol stack in a wireless communication system to which the present invention can be applied.
- FIG. 3 is a view for explaining a LADN information providing method and LADN service area in a wireless communication system to which the present invention can be applied.
- FIG. 4 is a diagram illustrating a UE mobility event notification and a location reporting procedure of the NG-RAN in a wireless communication system to which the present invention can be applied.
- FIG. 5 is a diagram for describing reporting of UE presence in a LADN service area in a wireless communication system to which the present invention can be applied.
- FIG. 6 is a diagram illustrating a LADN information delivery method according to an embodiment of the present invention.
- FIG. 7 is a diagram illustrating a policy delivery method for LADN discovery according to an embodiment of the present invention.
- FIG. 8 is a diagram illustrating a method of using LADN according to an embodiment of the present invention.
- FIG. 9 illustrates a block diagram of a user device according to an embodiment of the present invention.
- FIG. 10 illustrates a block diagram of a user device according to an embodiment of the present invention.
- FIG. 11 is a diagram illustrating a method of using LADN according to an embodiment of the present invention.
- FIG. 12 illustrates a block diagram of a network node according to an embodiment of the present invention.
- Figure 13 illustrates a block diagram of a network node according to an embodiment of the present invention.
- a base station has a meaning as a terminal node of a network that directly communicates with a terminal.
- the specific operation described as performed by the base station in this document may be performed by an upper node of the base station in some cases. That is, it is obvious that various operations performed for communication with a terminal in a network composed of a plurality of network nodes including a base station may be performed by the base station or other network nodes other than the base station.
- a 'base station (BS)' may be replaced by terms such as a fixed station, a Node B, an evolved-NodeB (eNB), a base transceiver system (BTS), an access point (AP), and the like. .
- a 'terminal' may be fixed or mobile, and may include a user equipment (UE), a mobile station (MS), a user terminal (UT), a mobile subscriber station (MSS), a subscriber station (SS), and an AMS ( Advanced Mobile Station (WT), Wireless Terminal (WT), Machine-Type Communication (MTC) Device, Machine-to-Machine (M2M) Device, Device-to-Device (D2D) Device, etc.
- UE user equipment
- MS mobile station
- UT user terminal
- MSS mobile subscriber station
- SS subscriber station
- AMS Advanced Mobile Station
- WT Wireless Terminal
- MTC Machine-Type Communication
- M2M Machine-to-Machine
- D2D Device-to-Device
- downlink means communication from a base station to a terminal
- uplink means communication from a terminal to a base station.
- a transmitter may be part of a base station, and a receiver may be part of a terminal.
- a transmitter may be part of a terminal and a receiver may be part of a base station.
- Embodiments of the present invention may be supported by standard documents disclosed in at least one of the wireless access systems IEEE 802, 3GPP and 3GPP2. That is, steps or parts which are not described to clearly reveal the technical spirit of the present invention among the embodiments of the present invention may be supported by the above documents. In addition, all terms disclosed in the present document can be described by the above standard document.
- Evolved Packet System A network system consisting of an Evolved Packet Core (EPC), which is a packet switched core network based on Internet Protocol (IP), and an access network such as LTE and UTRAN.
- EPC Evolved Packet Core
- IP Internet Protocol
- UMTS Universal Mobile Telecommunications System
- eNodeB base station of EPS network. It is installed outdoors and its coverage is macro cell size.
- IMSI International Mobile Subscriber Identity
- PLMN Public Land Mobile Network
- 5G system 5G system: A system consisting of a 5G access network (AN), a 5G core network, and a user equipment (UE)
- AN 5G access network
- 5G core network 5G core network
- UE user equipment
- 5G Access Network 5G Access Network
- AN New Generation Radio Access Network
- NG-RAN New Generation Radio Access Network
- 3GPP AN An access network consisting of a non-5G Access Network.
- New Generation Radio Access Network (NG-RAN) (or RAN): A radio access network that has a common feature of being connected to 5GC and supports one or more of the following options:
- 5G Core Network A core network connected to a 5G access network.
- NF Network Function
- NF service A function exposed by the NF through a service-based interface and consumed by other authorized NF (s).
- Network Slice Logical network providing specific network capability (s) and network feature (s).
- Network Slice instance A set of NF instance (s) and required resource (s) (e.g. compute, storage and networking resources) forming a network slice to be deployed.
- Protocol Data Unit (PDU) Connectivity Service PDU: A service that provides for the exchange of PDU (s) between a UE and a data network.
- PDU Connectivity Service A service that provides the exchange of PDU (s) between the UE and the data network.
- PDU Session An association between a UE and a data network providing a PDU Connectivity Service.
- the association type may be Internet Protocol (IP), Ethernet, or unstructured.
- Non-Access Stratum A functional layer for exchanging signaling and traffic messages between a terminal and a core network in an EPS and 5GS protocol stack. The main function is to support the mobility of the terminal and to support the session management procedure.
- the 5G system is an advanced technology from the 4th generation LTE mobile communication technology, and is a new radio access technology (RAT) and long-range LTE (Long) through the evolution or clean-state structure of the existing mobile communication network structure.
- Term Evolution (Extended LTE) technology supports extended LTE (eLTE), non-3GPP (eg, Wireless Local Area Network (WLAN)) access, and the like.
- the 5G system architecture is defined to support data connectivity and services so that deployments can use technologies such as Network Function Virtualization and Software Defined Networking.
- the 5G system architecture utilizes service-based interactions between Control Plane (CP) Network Functions (NF).
- CP Control Plane
- NF Network Functions
- FIG. 1 illustrates a wireless communication system architecture to which the present invention may be applied.
- the 5G system architecture may include various components (ie, a network function (NF)) and illustrate some of them in FIG. 1.
- NF network function
- Access and Mobility Management Functions include CN inter-node signaling for mobility between 3GPP access networks, termination of Radio Access Network (RAN) CP interfaces (N2), NAS It supports functions such as termination of signaling (N1), registration management (registration area management), idle mode UE accessibility, support for network slicing, and SMF selection.
- RAN Radio Access Network
- N2 Radio Access Network CP interfaces
- NAS It supports functions such as termination of signaling (N1), registration management (registration area management), idle mode UE accessibility, support for network slicing, and SMF selection.
- AMF Access Management Function
- the data network means, for example, an operator service, an Internet connection, or a third party service.
- the DN transmits a downlink protocol data unit (PDU) to the UPF or receives a PDU transmitted from the UE from the UPF.
- PDU downlink protocol data unit
- the policy control function receives a packet flow information from an application server and provides a function of determining a policy such as mobility management and session management.
- the session management function provides a session management function.
- the session management function may be managed by different SMFs for each session.
- Some or all functions of an SMF may be supported within a single instance of one SMF.
- Unified Data Management stores user subscription data, policy data, and the like.
- the user plane function transmits the downlink PDU received from the DN to the UE via (R) AN and the uplink PDU received from the UE via (R) AN to the DN. .
- AFs Application functions
- services e.g., support for application impact on traffic routing, access to Network Capability Exposure, and interaction with policy frameworks for policy control). Interoperate with the 3GPP core network.
- (Radio) Access Network ((R) AN: (Radio) Access Network) is an evolved version of 4G radio access technology, evolved E-UTRA (E-UTRA) and new radio access technology (NR) ( For example, generically refers to a new radio access network that supports both gNB).
- E-UTRA evolved E-UTRA
- NR new radio access technology
- the gNB is capable of dynamic resource allocation to the UE in radio resource management functions (ie, radio bearer control, radio admission control, connection mobility control, uplink / downlink). It supports functions such as dynamic allocation of resources (ie, scheduling).
- radio resource management functions ie, radio bearer control, radio admission control, connection mobility control, uplink / downlink. It supports functions such as dynamic allocation of resources (ie, scheduling).
- User equipment means a user equipment.
- a conceptual link connecting NFs in a 5G system is defined as a reference point.
- N1 (or NG1) is a reference point between the UE and AMF
- N2 (or NG2) is a reference point between (R) AN and AMF
- N3 (or NG3) is a reference point between (R) AN and UPF
- N4 (or NG4) Is a reference point between SMF and UPF
- N5 (or NG5) is a reference point between PCF and AF
- N6 (or NG6) is a reference point between UPF and data network
- N7 (or NG7) is a reference point between SMF and PCF
- N24 ( Or NG24 is a reference point between a PCF in a visited network and a PCF in a home network
- N8 (or NG8) is a reference point between UDM and AMF
- N9 (or NG9) is between two core UPFs.
- N10 (or NG10) is the reference point between UDM and SMF
- N11 (or NG11) is the reference point between AMF and SMF
- N12 (or NG12) is the reference point between AMF and AUSF
- N13 (or NG13) is between UDM and Reference point between Authentication Server function (AUSF)
- N14 (or NG14) is reference point between two AMFs
- N15 (or N G15) refers to a reference point between the PCF and the AMF in the non-roaming scenario, and a reference point between the PCF and the AMF in the visited network in the roaming scenario.
- FIG. 1 illustrates a reference model for a case where a UE accesses one DN using one PDU session for convenience of description, but is not limited thereto.
- FIG. 2 is a diagram illustrating a radio protocol stack in a wireless communication system to which the present invention can be applied.
- FIG. 2 (a) illustrates the air interface user plane protocol stack between the UE and the gNB
- FIG. 2 (b) illustrates the air interface control plane protocol stack between the UE and the gNB.
- the control plane refers to a path through which control messages used by the UE and the network to manage a call are transmitted.
- the user plane refers to a path through which data generated at an application layer, for example, voice data or Internet packet data, is transmitted.
- a user plane protocol stack may be divided into a first layer (Layer 1) (ie, a physical layer (PHY) layer) and a second layer (Layer 2).
- Layer 1 ie, a physical layer (PHY) layer
- Layer 2 a second layer
- the control plane protocol stack includes a first layer (ie, PHY layer), a second layer, and a third layer (ie, radio resource control (RRC) layer), It may be divided into a non-access stratum (NAS) layer.
- a first layer ie, PHY layer
- a second layer ie, a third layer
- RRC radio resource control
- NAS non-access stratum
- the second layer includes a medium access control (MAC) sublayer, a radio link control (RLC) sublayer, a packet data convergence protocol (PDC) sublayer, a service data adaptation protocol ( SDAP: Service Data Adaptation Protocol (SDAP) sublayer (in case of user plane).
- MAC medium access control
- RLC radio link control
- PDC packet data convergence protocol
- SDAP Service Data Adaptation Protocol
- Radio bearers are classified into two groups: a data radio bearer (DRB) for user plane data and a signaling radio bearer (SRB) for control plane data.
- DRB data radio bearer
- SRB signaling radio bearer
- the first layer provides an information transfer service to a higher layer by using a physical channel.
- the physical layer is connected to a MAC sublayer located at a higher level through a transport channel, and data is transmitted between the MAC sublayer and the PHY layer through the transport channel.
- Transport channels are classified according to how and with what characteristics data is transmitted over the air interface.
- data is transmitted between different physical layers through a physical channel between a PHY layer of a transmitter and a PHY layer of a receiver.
- the MAC sublayer includes a mapping between a logical channel and a transport channel; Multiplexing / demultiplexing of MAC Service Data Units (SDUs) belonging to one or different logical channels to / from a transport block (TB) delivered to / from the PHY layer via the transport channel; Reporting scheduling information; Error correction through hybrid automatic repeat request (HARQ); Priority handling between UEs using dynamic scheduling; Priority handling between logical channels of one UE using logical channel priority; Padding is performed.
- SDUs Service Data Units
- TB transport block
- HARQ hybrid automatic repeat request
- Each logical channel type defines what type of information is conveyed.
- Logical channels are classified into two groups: Control Channel and Traffic Channel.
- control channel is used to convey only control plane information and is as follows.
- BCCH Broadcast Control Channel
- PCCH Paging Control Channel
- CCCH Common Control Channel
- DCCH Dedicated Control Channel
- the traffic channel is used to use only user plane information:
- DTCH Dedicated Traffic Channel
- connection between a logical channel and a transport channel is as follows.
- BCCH may be mapped to BCH.
- BCCH may be mapped to the DL-SCH.
- PCCH may be mapped to PCH.
- CCCH may be mapped to the DL-SCH.
- DCCH may be mapped to DL-SCH.
- DTCH may be mapped to the DL-SCH.
- CCCH may be mapped to UL-SCH.
- DCCH may be mapped to UL-SCH.
- DTCH may be mapped to UL-SCH.
- the RLC sublayer supports three transmission modes: transparent mode (TM), unacknowledged mode (UM), and acknowledgment mode (AM).
- TM transparent mode
- UM unacknowledged mode
- AM acknowledgment mode
- the RLC configuration may be applied for each logical channel.
- TM or AM mode is used for SRB, while UM or AM mode is used for DRB.
- the RLC sublayer is a delivery of higher layer PDUs; Sequence numbering independent of PDCP; Error correction through automatic repeat request (ARQ); Segmentation and re-segmentation; Reassembly of SDUs; RLC SDU discard; RLC re-establishment is performed.
- PDCP sublayer for user plane includes sequence numbering; Header compression and decompression (only for Robust Header Compression (RoHC)); User data delivery; Reordering and duplicate detection (if delivery to a layer higher than PDCP is required); PDCP PDU routing (for split bearer); Retransmission of PDCP SDUs; Ciphering and deciphering; Discarding PDCP SDUs; PDCP re-establishment and data recovery for RLC AM; Perform replication of PDCP PDUs.
- Header compression and decompression only for Robust Header Compression (RoHC)
- User data delivery Reordering and duplicate detection (if delivery to a layer higher than PDCP is required)
- PDCP PDU routing for split bearer
- Retransmission of PDCP SDUs Ciphering and deciphering
- Discarding PDCP SDUs PDCP re-establishment and data recovery for RLC AM
- Perform replication of PDCP PDUs
- the PDCP sublayer for the control plane additionally includes sequence numbering; Ciphering, decryption, and integrity protection; Control plane data transfer; Replication detection; Perform replication of PDCP PDUs.
- Replication in PDCP involves sending the same PDCP PDU (s) twice. One is delivered to the original RLC entity, the second to an additional RLC entity. At this time, the original PDCP PDU and the corresponding copy are not transmitted in the same transport block.
- Two different logical channels may belong to the same MAC entity (for CA) or may belong to different MAC entities (for DC). In the former case, logical channel mapping restrictions are used to ensure that the original PDCP PDU and its copy are not transmitted in the same transport block.
- the SDAP sublayer performs i) mapping between QoS flows and data radio bearers, ii) QoS flow identifier (ID) marking in downlink and uplink packets.
- a single protocol entity of SDAP is configured for each individual PDU session.
- two SDAP entities may be configured in the case of dual connectivity (DC).
- DC dual connectivity
- the RRC sublayer is a broadcast of system information related to an access stratum (AS) and a non-access stratum (NAS); Paging initiated by 5GC or NG-RAN; Establishing, maintaining, and releasing RRC connections between the UE and the NG-RAN (in addition, modifying and releasing carrier aggregation), and additionally, dual connectivity between the E-UTRAN and the NR or within the NR (Dual).
- AS access stratum
- NAS non-access stratum
- 5GC access stratum
- NG-RAN non-access stratum
- Security functions including key management; Establishment, establishment, maintenance, and release of SRB (s) and DRB (s); Handover and context transfer; Control of UE cell selection and disaster recovery and cell selection / reselection; Mobility functionality including inter-RAT mobility; QoS management functions, UE measurement reporting and report control; Detection of radio link failures and recovery from radio link failures; NAS message delivery from NAS to UE and NAS message delivery from UE to NAS are performed.
- LADN Local Area Data Network
- LADN Access to the DN through a PDU session for the LADN is only available within a specific LADN service area.
- the LADN service area is a set of tracking areas.
- LADN is provided by the serving PLMN of the UE:
- LADN service applies only to 3GPP access and does not apply to Home Routed case.
- LADN Data Network Name requires an explicit subscription to this LADN DNN or a subscription to a wildcard DNN.
- Whether the DNN corresponds to the LADN service is an attribute of the DNN.
- the UE is configured to know whether the DNN is a LADN DNN.
- FIG. 3 is a view for explaining a LADN information providing method and LADN service area in a wireless communication system to which the present invention can be applied.
- LADN information ie, LADN service area information and LADN DNN
- DNN1 LADN, service area, as shown in FIG. 3
- the LADN service area set up for different UEs accessing the same LADN is the same regardless of other factors (eg, registration area of UE or subscription information of UE).
- the LADN information is provided to the UE by the AMF during the registration procedure or the UE configuration update procedure (step 1 in FIG. 3 (a)).
- the corresponding LADN service area information includes a set of tracking areas belonging to a registration area assigned to the UE by the AMF (ie, LADN service area). And the intersection of the current registration area).
- the AMF When a UE performs a successful (re) registration procedure, based on local settings for the LADN, UE location, and UE subscription information received from the UDM with respect to the subscribed DNN, the AMF registers the corresponding registration in the Registration Accept message. It is possible to provide the UE with LADN information about the LADN available to the UE in the region (step 2 of FIG. 3 (a)).
- the UE deletes the LADN information for that DNN (step 3 in Figure 3 (a)).
- the AMF updates the LADN information to the UE through a UE configuration update / registration procedure (step 2 in FIG. 3 (a)).
- the UE Based on the LADN information in the UE, the UE operates as follows:
- the UE When the UE leaves the LADN service area, the UE:
- the UE When the UE is located in the LADN service area, the UE:
- the SMF supporting the DNN is configured with information on whether this DNN is a LADN DNN;
- the SMF registers a "UE mobility event notification" to report the presence of the UE in the Area of Interest (eg, LADN service area) by providing the LAMF DNN to the AMF.
- FIG. 4 is a diagram illustrating a UE mobility event notification and a location reporting procedure of the NG-RAN in a wireless communication system to which the present invention can be applied.
- the 5G system provides tracking and reporting for UE mobility events.
- the AMF provides UE mobility related event reporting to the NF authorized to subscribe to the UE mobility event reporting service.
- NF service consumers such as SMFs, PCFs, or Network Exposure Functions (NEFs) who want to see and receive UE locations, can use the following parameters to tell AMF the UE mobility event notification service (e.g., 'Namf_EventExposure_Notify'). You can join (step 1 in Figure 4):
- An event report type that specifies to be reported for UE mobility (eg UE location, UE mobility on area of interest)
- An area of interest that specifies a geographic area within the 3GPP system.
- the region of interest is represented by a list of tracking regions, a list of (R) AN node identifiers, or a cell list.
- an event consumer eg, SMF
- Event Report Mode Event Report Mode
- Report Count Report Count
- Notification address (ie endpoint address of NF service consumer to be notified)
- the AMF may determine the connection management (CM) status of the UE to determine the UE presence in the region of interest.
- CM connection management
- the AMF can request the NG-RAN to report on the UE location or UE presence in the region of interest.
- the AMF may receive a UE presence and / or current UE location (or time stamp and last known UE location) from the NG-RAN. This procedure is not necessarily performed.
- the AMF Upon detecting a change in UE presence in the region of interest, the AMF notifies the subscribed NF consumer of the UE presence in the region of interest and (optionally) a new UE location (step 2 in FIG. 4).
- the new AMF may decide not to notify the SMF with the current status associated with the subscription of the mobility event. .
- MM Mobility Management
- the AMF shall NG-RAN location reporting may be initiated to track my UE presence.
- FIG. 5 is a diagram for describing reporting of UE presence in a LADN service area in a wireless communication system to which the present invention can be applied.
- the AMF determines the presence of the UE (ie, IN, OUT, UNKNOWN) in the area of interest (eg, LADN service area) as follows.
- the AMF determines that the UE is in the region of interest (IN) (see FIG. 5 (c)).
- the AMF determines that the UE exists in the region of interest (IN) (see FIG. 5 (a)).
- the AMF determines that the UE is outside the region of interest (OUT) (see FIG. 5 (b)).
- the AMF determines that the UE is out of the region of interest (OUT) (see FIG. 5 (c)).
- the AMF determines that the existence of the UE is UNKNOWN. (See Figures 5 (b) and 5 (c)).
- the AMF determines the presence of the UE in the region of interest (e.g., the LADN service area), and the UE mobility event reporting service (e.g., Namf_EventExposure_Notify) indicates the presence of the UE as in step 2 of FIG. Provide to NFs (eg, SMFs) who are permitted to join.
- the region of interest e.g., the LADN service area
- the UE mobility event reporting service e.g., Namf_EventExposure_Notify
- the SMF Based on the notification of UE presence in the LADN service area (ie IN, OUT, UNKNOWN) notified by AMF, the SMF operates as follows based on the operator's policy: :
- the SMF may later release the PDU session.
- the SMF When the SMF is informed that the UE exists ('IN') within the LADN service area, the SMF:
- the SMF When the SMF receives downlink data or data notification from the UPF, it triggers a network triggered service request procedure for the LADN PDU session to activate the UP connection.
- the SMF When the SMF receives downlink data or data notification from the UPF, it triggers a network triggered service request procedure for the LADN PDU session to activate the UP connection.
- a UE having subscriber information permitted to use a wildcard DNN has a problem of receiving all LADN information provided by the visited network every registration / LADN information update.
- the present invention proposes an optimization method of LADN information transmission.
- the present invention may be configured together in one or more combinations of the following configurations, and in the following embodiments, an embodiment for showing each individual configuration is illustrated, but an embodiment in which one or more combinations is configured together is possible.
- FIG. 6 is a diagram illustrating a LADN information delivery method according to an embodiment of the present invention.
- the UE may register LADN information (eg, LADN) provided from a serving network node (eg, AMF) through a registration process (eg, an attach procedure or a registration procedure) with a network.
- LADN information eg, LADN
- AMF serving network node
- DNN s
- service area information for each LADN DNN are obtained.
- the UE establishes a general PDU session (eg, an Internet Protocol (IP) Multimedia Subsystem (IMS) PDU session for a voice service and / or an Internet PDU session for an Internet service). ), You can get the service.
- IP Internet Protocol
- IMS Internet Multimedia Subsystem
- a policy regarding LADN discovery may be pre-configured to the UE in advance.
- the UE may receive a policy regarding LADN discovery (or a policy regarding LADN discovery request) (hereinafter referred to as LADN discovery policy) through a PCF which is a node that sets / controls / manages a provider policy.
- LADN discovery policy a policy regarding LADN discovery (or a policy regarding LADN discovery request)
- PCF a node that sets / controls / manages a provider policy.
- the PCF may determine whether to generate or provide a LADN discovery policy based on an input of LADN DN / AF or NEF, as in step 2a or 2b.
- the LADN discovery policy may be generated for the entire group of PLMNs or according to a specific unit managed by an operator. Or, because it is delivered to the individual UE by the UE policy delivery mechanism, it can be regarded as one of several kinds of UE policy, and therefore, LADN discovery policy may be generated in unit-specific granularity.
- the LADN discovery policy is basically transmitted for the purpose of allowing the UE to start performing LADN discovery.
- the LADN discovery policy may include a validity condition for evaluating that the corresponding LADN discovery policy is a meaningful policy in a specific region / specific time / specific access network.
- LADN information which is always provided by the prior art in step 1 may not be delivered to the UE, and at a specific time by the LADN discovery policy, the UE attempts LADN discovery to acquire LADN information, thereby causing LADN information. Can increase the efficiency of the provision.
- the LADN discovery policy may also include a policy on an operation that can be performed by the UE, such as whether to retry the acquisition of the LADN information when the UE fails to acquire the LADN information.
- a method of delivering the LADN discovery policy to the UE in step 2 will be described in more detail with reference to FIG. 7 below.
- FIG. 7 is a diagram illustrating a policy delivery method for LADN discovery according to an embodiment of the present invention.
- the policy delivery method for the LADN discovery may be implemented by a UE configuration update procedure.
- the UE Configuration Update procedure is initiated when the PCF wants to update UE access and PDU session selection information (ie UE policy) in UE configuration.
- the AMF receives a policy control get response message (ie, Npcf_AMPolicyControlGet Response) from the PCF.
- the Npcf_AMPolicyControlGet Response may include access and mobility related information, or may include a UE policy container (ie, UE access and PDU session selection related information) or both.
- the Npcf_AMPolicyControlGet Response (in particular, the UE policy container) may include a LADN discovery policy according to the present invention.
- the AMF receives a policy control update notification (ie, Npcf_AMPolicyControl UpdateNotify) from the PCF.
- Npcf_AMPolicyControl UpdateNotify may include access and mobility related information, or may include a UE policy container (ie, UE access and PDU session selection related information) or both.
- the Npcf_AMPolicyControlGet Response (in particular, the UE policy container) may include a LADN discovery policy according to the present invention.
- the AMF triggers a Network Triggered Service Request (see 3GPP TS 23.502 V15.1.0 section 4.2.3.3) procedure. If the UE is not reachable, the AMF reports to the PCF that the UE policy container cannot be delivered to the UE.
- the AMF transparently transmits the UE policy container received from the PCF to the UE.
- the UE policy container includes a list of PSI (s) to notify the UE that one or more Public Service Identity (PSI) has been added, removed or modified.
- PSI Public Service Identity
- the UE performs the PSI operation and sends a result to the AMF.
- the AMF transparently transmits the result received from the UE to the PCF. If one or several PSU operations fail, the UE includes a list of PSI (s) stored in the UE policy container.
- the AMF forwards the UE's response to the PCF using an event exposure message (ie, Namf_EventExposure).
- the Namf_EventExposure includes an event identifier "EventID” that is "a policy container has been received” and an event information (EventInformation) including a UE policy container.
- the PCF confirms to the AMF that it has received Namf_EventExposure.
- step 3 the UE recognizes its own location, and in step 4, if the validity condition of the LADN discovery policy is satisfied (that is, when determining LADN information discovery), the UE is determined from the AMF. Initiate a procedure (ie, steps 5a-5b) for receiving LADN information.
- the user / user interacts with the explicit user interaction. May initiate a procedure (ie, steps 5a-5b) for receiving LADN information from the AMF.
- the UE sends a registration request to the AMF.
- the UE transmits an access network (AN) message including a registration request to the (R) AN.
- the (R) AN transmits an N2 message including a registration request to the selected AMF.
- the UE may include information / indicator (or flag) for notifying the explicit LADN information request in addition to the registration request.
- the UE may request only LADN information supporting a service from a corresponding AMF (that is, AMF receiving a registration request of step 5a), or may request LADN information commonly applied to all PLMNs. That is, the UE may transmit a request for only LADN information supporting a service in a corresponding AMF or a separator for distinguishing a request for LADN information commonly applied to a PLMN to a AMF.
- the level of requesting information depends on a policy / instruction that may be selectively included in the LADN discovery policy.
- the UE may support LADN or implicit information delivery such as the user has a preference for using LADN. Through this, the UE can derive provisioning of LADN information from the network.
- the UE may receive version information (eg, per UE and / or AMF and / or PLMN) of the LADN information previously received (eg, received in a previous registration procedure or UE setup update procedure). ) Can be included in the registration request and sent to the AMF.
- version information eg, per UE and / or AMF and / or PLMN
- the network eg, AMF
- the UE receives a registration accept from the AMF. That is, the AMF transmits a registration accept message to the UE to indicate that the registration request has been accepted. In other words, the AMF transmits an N2 message including a registration accept to the (R) AN. The (R) AN transmits an AN message including a registration accept to the UE.
- the registration accept includes LADN information.
- the LADN information may mean a list of one or more LADNs available to the UE in the registration area. Each entry included in the LADN list may include LADN service area information and LADN DNN.
- the AMF may provide only the LADN information of a LADN service supporting the service to the UE.
- the AMF may provide the UE with LADN information commonly applied to the PLMN.
- the AMF is updated with respect to the received version information. Only extracted LADN information may be extracted and provided to the UE.
- Steps 5a to 5b described above may be implemented according to a registration procedure defined in 3GPP TS 23.502 V15.1.0 section 4.2.2.2, and other steps not shown in FIG. 6 according to the above registration procedure. Steps may also be performed.
- the UE establishes / establishes a PDU session for the corresponding LADN service by performing a UE-initiated PDU session establishment procedure.
- the UE may start a procedure for requesting PDU session setup (ie, UE-initiated PDU session establishment procedure) without user interaction based on the preset LADN access permission information.
- the UE may display a pop-up window for receiving an explicit input for the actual connection / service start from the user according to the operator's setting / policy.
- the UE Upon receiving an input for actual access / service start from the user, the UE establishes / establishes a PDU session for the corresponding LADN service by performing a UE-initiated PDU session establishment procedure.
- the UE may receive such explicit input at an application level through a LADN related application from a user.
- FIG. 8 is a diagram illustrating a method of using LADN according to an embodiment of the present invention.
- the UE may set a policy regarding LADN discovery (S801).
- the policy regarding the discovery of the LADN may be pre-configured to the UE. Alternatively, it may be set by receiving a policy regarding LADN discovery generated by the PCF from the AMF.
- a policy regarding LADN discovery may be determined (generated) independently for each UE.
- the UE transmits a registration request to the AMF (S802).
- the registration request includes information for informing the request for LADN information for the LADN service.
- the registration request may be a delimiter for distinguishing a request for only LADN information supporting a service from the AMF or a request for LADN information commonly applied to a PLMN (Public Land Mobile Network) and / or previously received LADN information. Version information may further include.
- PLMN Public Land Mobile Network
- the UE may transmit a registration request to the AMF. For example, when a validity condition included in a policy regarding LADN discovery is satisfied or when the UE recognizes that it has entered a LADN service area (at the time LADN service is provided), the UE The discovery of LADN information can be determined.
- the UE receives a registration accept for notifying that the registration request has been accepted from the AMF (S803).
- Registration acceptance includes LADN information.
- registration acceptance based on the delimiter may include only LADN information supporting a service in AMF or LADN information commonly applied to a PLMN.
- the registration acceptance may include only the LADN information whose version is updated compared to the version information of the LADN information.
- the UE establishes a PDU session for the LADN service by performing a PDU session establishment procedure (S804).
- FIG. 9 illustrates a block diagram of a user device according to an embodiment of the present invention.
- the user device may include a LADN policy setting unit 901, a registration manager 902, a LADN information manager 903, and a PDU session manager 904.
- the LADN policy setting unit 901 sets a policy regarding LADN discovery.
- the policy regarding the discovery of the LADN may be pre-configured to the UE. Alternatively, it may be set by receiving a policy regarding LADN discovery generated by the PCF from the AMF.
- a policy regarding LADN discovery may be determined (generated) independently for each UE.
- the registration manager 902 transmits a registration request to the AMF.
- the registration request includes information for informing the request of the LADN information for the LADN service.
- the registration request may be a delimiter for distinguishing a request for only LADN information supporting a service from the AMF or a request for LADN information commonly applied to a PLMN (Public Land Mobile Network) and / or previously received LADN information. Version information may further include.
- PLMN Public Land Mobile Network
- the LADN policy setting unit 901 when the policy for the LADN discovery is set by the LADN policy setting unit 901, when the LADN policy setting unit 901 determines the discovery of LADN information based on the policy regarding the LADN discovery.
- the registration manager 902 may transmit a registration request to the AMF. For example, the LADN policy setting unit 901 satisfies a validity condition included in a policy regarding LADN discovery, or the UE enters into a LADN service area (when a LADN service is provided). Upon recognizing that the information is received, the registration manager 902 may determine the discovery of the LADN information.
- the registration manager 902 also receives a registration accept from the AMF to indicate that the registration request has been accepted. Registration acceptance includes LADN information.
- the registration acceptance may include only LADN information supporting a service in AMF or LADN information commonly applied to a PLMN.
- the registration acceptance may include only the LADN information whose version is updated compared to the version information of the LADN information.
- the LADN information manager 903 manages LADN information obtained through the registration manager 902.
- the PDU session manager 904 performs a PDU session establishment procedure.
- the PDU session manager 904 may establish a PDU session for the LADN service by interworking with the LADN information manager 903.
- FIG. 10 illustrates a block diagram of a user device according to an embodiment of the present invention.
- a user device 1010 includes a processor 1011, a memory 1012, and a transceiver (or radio frequency (RF) unit) 1013.
- RF radio frequency
- the processor 1011 implements the functions, processes, and / or methods proposed in FIGS. 1 to 8. In particular, each component of the user device illustrated in FIG. 9 may be included in the processor 1011. Layers of the wired / wireless interface protocol may be implemented by the processor 1011.
- the memory 1012 is connected to the processor 1011 and stores various information for driving the processor 1011.
- the transceiver 1013 is connected to the processor 1011 to transmit and / or receive a radio signal.
- the memory 1012 may be inside or outside the processor 1011 and may be connected to the processor 1011 by various well-known means.
- the processor 1011 may set a policy regarding LADN discovery.
- a policy regarding LADN discovery may be pre-configured in the memory 1012.
- the processor 1011 may receive a policy regarding LADN discovery generated by the PCF from the AMF via the transceiver 1013.
- a policy regarding LADN discovery may be determined (generated) independently for each UE.
- the processor 1011 transmits a registration request to the AMF through a transceiver 1013.
- the registration request includes information for informing the request for LADN information for the LADN service.
- the registration request may be a delimiter for distinguishing a request for only LADN information supporting a service from the AMF or a request for LADN information commonly applied to a PLMN (Public Land Mobile Network) and / or previously received LADN information. Version information may further include.
- PLMN Public Land Mobile Network
- the transceiver 1013 determines the discovery of LADN information based on the policy for LADN discovery
- the transceiver 1013 The registration request can be sent to the AMF. For example, when the validity condition included in the policy regarding LADN discovery is satisfied or when the UE recognizes that it has entered the LADN service area (at the time the LADN service is provided), the processor 1011 ) May determine the discovery of LADN information.
- the processor 1011 also receives a registration accept from the AMF via the transceiver 1013 to indicate that the registration request has been accepted. Registration acceptance includes LADN information.
- the registration acceptance may include only LADN information supporting a service in AMF or LADN information commonly applied to a PLMN.
- the registration acceptance may include only the LADN information whose version is updated compared to the version information of the LADN information.
- the processor 1011 also establishes a PDU session for the LADN service by performing a PDU session establishment procedure.
- FIG. 11 is a diagram illustrating a method of using LADN according to an embodiment of the present invention.
- the AMF may transmit a policy regarding discovery of the LADN received from the PCF to the UE (S1101).
- a policy regarding discovery of the LADN may be independently determined (created) for each UE.
- the AMF receives a registration request from the UE (S1102).
- the registration request includes information for informing the request for LADN information for the LADN service.
- the AMF is a delimiter for distinguishing a request for only LADN information supporting a service from the AMF in a registration request or a request for LADN information commonly applied to a Public Land Mobile Network (PLMN) and / or a previously received LADN information. It is checked whether version information is included (S1103).
- PLMN Public Land Mobile Network
- AMF transmits a registration accept (registration accept) to inform the UE that the registration request has been accepted. (S1105).
- Registration acceptance includes LADN information.
- the LADN information may correspond to LADN information transmitted by the AMF to the UE according to the prior art.
- the AMF determines the LADN information to be transmitted based on the delimiter and / or version information in addition to the registration procedure of the prior art (S 1104). .
- the AMF may include only the LADN information supporting the service in the AMF in the registration acceptance or include the LADN information commonly applied to the PLMN in the registration acceptance. have.
- the AMF may include only the LADN information whose version is updated compared to the version information of the received LADN information based on the version information of the LADN information.
- the AMF when the registration request includes both the delimiter and the version information of the LADN information, the AMF operates as follows. If the delimiter indicates a request for only LADN information supporting a service in AMF, the AMF includes only the LADN information whose version is updated in the registration acceptance as compared to the version information of the LADN information received from the LADN information supporting the service in AMF. You can. Or, if the delimiter indicates a request for LADN information commonly applied to the PLMN, the AMF only accepts the LADN information whose version is updated compared to the version information of the received LADN information among the LADN information commonly applied to the PLMN. Can be included.
- FIG. 12 illustrates a block diagram of a network node according to an embodiment of the present invention.
- the network node may include a LADN policy manager 1201, a registration manager 1202, and a LADN information manager 1203.
- the LADN policy management unit 1201 manages a policy related to LADN discovery received from the PCF, and transmits a policy regarding LADN discovery to the UE through the registration management unit 1202.
- a policy regarding discovery of the LADN may be independently determined (created) for each UE.
- the registration manager 1202 receives a registration request from the UE.
- the registration request includes information for informing the request for LADN information for the LADN service.
- the LADN information management unit 1203 is a delimiter for distinguishing a request for only LADN information supporting a service from the AMF in a registration request or a request for LADN information commonly applied to a Public Land Mobile Network (PLMN). Check whether the version information of the received LADN information is included.
- PLMN Public Land Mobile Network
- the LADN information management unit 1203 may transmit the LADN information transmitted by the AMF to the UE to the registration management unit 1202 according to the related art.
- the LADN information manager 1203 determines LADN information to be transmitted based on the delimiter and / or version information.
- the LADN information management unit 1203 transmits only LADN information supporting services in the AMF to the registration management unit 1202 or the LADN information commonly applied to the PLMN based on the delimiter. May be passed to 1202.
- the LADN information management unit 1203 when the registration request includes the version information of the LADN information, the LADN information management unit 1203 only registers the LADN information whose version is updated compared to the version information of the received LADN information based on the version information of the LADN information. 1202).
- the LADN information management unit 1203 operates as follows. If the delimiter indicates a request for only LADN information supporting the service in the AMF, the LADN information management unit 1203 has the LADN information whose version is updated compared to the version information of the LADN information received from the LADN information supporting the service in the AMF. Only the registration manager 1202 may be delivered. Alternatively, when the delimiter indicates a request for LADN information commonly applied to the PLMN, the LADN information management unit 1203 is a LADN whose version is updated compared to the version information of the received LADN information among the LADN information commonly applied to the PLMN. Only information can be delivered to the registration manager 1202.
- the registration manager 1202 transmits a registration accept to the UE for notifying that the registration request including the LADN information received from the LADN information manager 1203 has been accepted.
- Figure 13 illustrates a block diagram of a network node according to an embodiment of the present invention.
- a network node 1310 includes a processor 1311, a memory 1312, and a transceiver 1313.
- the processor 1311 implements the functions, processes, and / or methods proposed in FIGS. 1 to 8, 11, and 12.
- each component of the network node illustrated in FIG. 12 may be included in the processor 1311.
- Layers of the wired / wireless interface protocol may be implemented by the processor 1311.
- the memory 1312 is connected to the processor 1311 and stores various information for driving the processor 1311.
- the transceiver 1313 is connected to the processor 1311 to transmit and / or receive a radio signal.
- the memory 1312 may be inside or outside the processor 1311 and may be connected to the processor 1311 by various well-known means.
- the network entity illustrated in FIG. 1 may correspond.
- the processor 1311 may transmit a policy regarding the LADN discovery received from the PCF through the transceiver 1313 to the UE through the transceiver 1313.
- a policy regarding discovery of the LADN may be independently determined (created) for each UE.
- the processor 1311 receives a registration request from the UE through the transceiver 1313.
- the registration request includes information for informing the request for LADN information for the LADN service.
- the AMF is a delimiter for distinguishing a request for only LADN information supporting a service from the AMF in a registration request or a request for LADN information commonly applied to a Public Land Mobile Network (PLMN) and / or a previously received LADN information. Check if version information is included.
- PLMN Public Land Mobile Network
- the processor 1311 transmits a registration accept to the UE through the transceiver 1313 to indicate that the registration request has been accepted.
- the processor 1311 transmits the registration acceptance including the LADN information.
- the LADN information may correspond to LADN information transmitted by the AMF to the UE according to the prior art.
- the processor 1311 determines LADN information to be transmitted based on the delimiter and / or version information.
- the processor 1311 includes only the LADN information supporting the service in the AMF based on the delimiter in the registration acceptance, or accepts the registration of the LADN information commonly applied to the PLMN. Can be included in
- the processor 1311 may include in the registration acceptance only the LADN information whose version is updated based on the version information of the LADN information. .
- the processor 1311 when the registration request includes both the delimiter and the version information of the LADN information, the processor 1311 operates as follows. If the delimiter indicates a request for only LADN information supporting the service in the AMF, the processor 1311 registers only the LADN information whose version is updated as compared to the version information of the LADN information received from the LADN information supporting the service in the AMF. Can be included in the acceptance. Alternatively, when the separator indicates a request for LADN information commonly applied to the PLMN, the processor 1311 may use only the LADN information whose version is updated compared to the version information of the received LADN information among the LADN information commonly applied to the PLMN. It can be included in the acceptance of registration.
- the UE may operate in the following procedure to establish a Protocol Data Unit (PDU) session for a Local Area Data Network (LADN) in a wireless communication system.
- PDU Protocol Data Unit
- LADN Local Area Data Network
- the UE sends a registration request message to an access and mobility management function (AMF).
- AMF access and mobility management function
- the registration request message may include LADN request information related to requesting LADN information from the AMF.
- the UE receives a registration accept message including the LADN information from the AMF.
- the LADN information may be related to at least one LADN available to the UE.
- the UE transmits a PDU session establishment request for the at least one LADN to the AMF based on the LADN information received from the AMF.
- the LADN information refers to a list of one or more LADNs available to the UE in a registration area, wherein each entry in the list of one or more LADNs is a service area for LADN and at least one data network name (DNN) for the LADN. It may contain information about.
- DNN data network name
- the LADN request information in the registration request message specifies at least one LADN supporting the LADN service for the UE in the AMF, and specifies at least one LADN supporting the LADN service for the UE in the AMF. It may be based on the LADN request information.
- the list of one or more LADNs of the LADN information received from the AMF may be a list of at least one LADN supporting LADN service for the UE in the AMF.
- the UE may further perform the step of initiating a procedure for requesting establishment of a PDU session based on preset LADN connection permission information.
- the UE may further include determining subscription information for a wild card DNN that allows the UE to receive a LADN service used in the LADN.
- the transmitting of the registration request message may include transmitting the registration request message based on the UE being in a CM_CONNECTED state.
- And transmitting the registration request message may include transmitting the registration request message based on the UE changing an RRC status and based on information indicating whether an RRC status report should be performed. have.
- the UE may include at least one radio frequency (RF) module, at least one processor and And at least one computer memory operatively connectable to the at least one processor and storing instructions that, when executed, cause the at least one processor to perform operations.
- RF radio frequency
- the operations transmit a registration request message to an access and mobility management function (AMF), wherein the registration request message is LADN request information associated with requesting LADN information to the AMF.
- AMF access and mobility management function
- the registration request message is LADN request information associated with requesting LADN information to the AMF.
- the LADN information refers to a list of one or more LADNs available to the UE in a registration area, wherein each entry in the list of one or more LADNs is a service area for LADN and at least one data network name (DNN) for the LADN. It may contain information about.
- DNN data network name
- the LADN request information in the registration request message specifies at least one LADN supporting the LADN service for the UE in the AMF, and specifies at least one LADN supporting the LADN service for the UE in the AMF. It may be based on the LADN request information.
- the list of one or more LADNs of the LADN information received from the AMF may be a list of at least one LADN supporting LADN service for the UE in the AMF.
- the operations may further include initiating a procedure for requesting a PDU session establishment based on preset LADN connection permission information.
- the operations may further include determining subscription information for a wild card DNN that allows the UE to receive a LADN service used in the LADN.
- the AMF may operate in the following procedure to establish a protocol data unit (PDU) session for a local area data network (LADN) for a user equipment (UE) in a wireless communication system.
- PDU protocol data unit
- LADN local area data network
- UE user equipment
- AMF receives a registration request message from the UE that includes LADN request information related to requesting LADN information from the AMF.
- the AMF transmits a registration accept message including the LADN information to the UE.
- the LADN information is related to at least one LADN available to the UE.
- the AMF receives a PDU session establishment request for the at least one LADN to the UE based on the LADN information received from the AMF.
- the LADN information refers to a list of one or more LADNs available to the UE in a registration area, wherein each entry in the list of one or more LADNs is a service area for LADN and at least one data network name (DNN) for the LADN. It may contain information about.
- DNN data network name
- the LADN request information in the registration request message specifies at least one LADN supporting the LADN service for the UE in the AMF, and specifies at least one LADN supporting the LADN service for the UE in the AMF. It may be based on the LADN request information.
- the list of one or more LADNs of LADN information transmitted to the UE may be a list of at least one LADN supporting LADN service for the UE in the AMF.
- the AMF may include at least one radio frequency (RF) And a module, at least one processor, and at least one computer memory operatively connectable to the at least one processor and storing instructions which, when executed, cause the at least one processor to perform operations.
- RF radio frequency
- the operations may include receiving a registration request message from the UE that includes a LADN request information associated with requesting LADN information from the AMF; Sending a registration accept message including the LADN information to the UE, wherein the LADN information is related to at least one LADN available to the UE; And receiving a PDU session establishment request for the at least one LADN to the UE based on the LADN information received from the AMF.
- the LADN information refers to a list of one or more LADNs available to the UE in a registration area, wherein each entry in the list of one or more LADNs is a service area for LADN and at least one data network name (DNN) for the LADN. It may contain information about.
- DNN data network name
- the LADN request information in the registration request message specifies at least one LADN supporting the LADN service for the UE in the AMF, and specifies at least one LADN supporting the LADN service for the UE in the AMF. It may be based on the LADN request information.
- the list of one or more LADNs of LADN information transmitted to the UE may be a list of at least one LADN supporting LADN service for the UE in the AMF.
- each component or feature is to be considered optional unless stated otherwise.
- Each component or feature may be embodied in a form that is not combined with other components or features. It is also possible to combine some of the components and / or features to form an embodiment of the invention.
- the order of the operations described in the embodiments of the present invention may be changed. Some components or features of one embodiment may be included in another embodiment or may be replaced with corresponding components or features of another embodiment. It is obvious that the claims may be combined to form an embodiment by combining claims that do not have an explicit citation relationship in the claims or as new claims by post-application correction.
- Embodiments according to the present invention may be implemented by various means, for example, hardware, firmware, software, or a combination thereof.
- an embodiment of the present invention may include one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), FPGAs ( field programmable gate arrays), processors, controllers, microcontrollers, microprocessors, and the like.
- ASICs application specific integrated circuits
- DSPs digital signal processors
- DSPDs digital signal processing devices
- PLDs programmable logic devices
- FPGAs field programmable gate arrays
- processors controllers, microcontrollers, microprocessors, and the like.
- an embodiment of the present invention may be implemented in the form of a module, procedure, function, etc. that performs the functions or operations described above.
- the software code may be stored in memory and driven by the processor.
- the memory may be located inside or outside the processor, and may exchange data with the processor by various known means.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Mobile Radio Communication Systems (AREA)
- Communication Control (AREA)
Abstract
Description
Claims (20)
- 무선 통신 시스템에서 사용자 장치(UE: User Equipment)에 의해 로컬 영역 데이터 네트워크(LADN: Local Area Data Network)를 위한 프로토콜 데이터 유닛(PDU: Protocol Data Unit) 세션을 확립하기 위한 방법에 있어서,액세스 및 이동성 관리 기능(AMF: Access and Mobility Management Function)으로 등록 요청(registration request) 메시지를 전송하되, 상기 등록 요청 메시지는 상기 AMF으로 LADN 정보를 요청하는 것과 관련된 LADN 요청 정보를 포함하는 단계;상기 AMF으로부터 상기 LADN 정보를 포함하는 등록 수락(registration accept) 메시지를 수신하되, 상기 LADN 정보는 상기 UE에게 이용 가능한 적어도 하나의 LADN과 관련되며; 및상기 AMF로부터 수신된 LADN 정보에 기초하여 상기 적어도 하나의 LADN에 대한 PDU 세션 확립 요청(PDU session establishment request)를 상기 AMF로 전송하는 단계를 포함하는 방법.
- 제 1항에 있어서,상기 LADN 정보는 등록 영역에서 상기 UE에게 이용 가능한 하나 이상의 LADN들의 리스트를 참조하고,상기 하나 이상의 LADN들의 리스트 내의 각 엔트리는 LADN에 대한 서비스 영역 및 상기 LADN에 대한 적어도 하나의 데이터 네트워크 이름(DNN)에 관한 정보를 포함하는 것을 특징으로 하는 방법.
- 제2항에 있어서,상기 등록 요청 메시지 내의 상기 LADN 요청 정보는 상기 AMF에서 상기 UE에 대한 LADN 서비스를 지원하는 적어도 하나의 LADN을 특정하고,상기 AMF에서 상기 UE에 대한 상기 LADN 서비스를 지원하는 적어도 하나의 LADN을 특정하는 상기 LADN 요청 정보에 기초하여:상기 AMF로부터 수신된 LADN 정보의 하나 이상의 LADN들의 리스트는 상기 AMF에서 UE에 대한 LADN 서비스를 지원하는 적어도 하나의 LADN의 리스트인 것을 특징으로 하는 방법.
- 제1항에 있어서,미리 설정된 LADN 연결 허가(connection permission) 정보에 기초하여 PDU 세션 확립을 요청하기 위한 절차를 개시하는 단계를 더 포함하는 것을 특징으로 하는 방법.
- 제1항에 있어서,상기 UE가 상기 LADN에서 사용되는 LADN 서비스를 수신할 수 있도록 허가하는 와일드 카드 DNN에 대한 가입 정보를 결정하는 단계를 더 포함하는 것을 특징으로 하는 방법.
- 제1항에 있어서,상기 등록 요청 메시지를 전송하는 단계는,상기 UE가 CM_CONNECTED 상태에 있는 것에 기초하여 상기 등록 요청 메시지를 전송하는 단계를 포함하는 방법.
- 제6항에 있어서,상기 등록 요청 메시지를 전송하는 단계는,상기 UE가 RRC 상태를 변경하는 것에 기초하여 그리고 RRC 상태 보고가 수행되어야 하는지 여부를 나타내는 정보에 기초하여 상기 등록 요청 메시지를 전송하는 단계를 포함하는 방법.
- 무선 통신 시스템에서 로컬 영역 데이터 네트워크(LADN: Local Area Data Network)를 위한 프로토콜 데이터 유닛(PDU: Protocol Data Unit) 세션을 확립하기 위해 설정된 사용자 장치(UE)에 있어서,적어도 하나의 무선 주파수 (RF) 모듈;적어도 하나의 프로세서; 및상기 적어도 하나의 프로세서에 동작 가능하게 접속 가능하며, 실행될 때 상기 적어도 하나의 프로세서로 하여금 동작들을 수행하도록 하는 지시들을 저장하는 적어도 하나의 컴퓨터 메모리를 포함하며, 상기 동작들은액세스 및 이동성 관리 기능(AMF: Access and Mobility Management Function)으로 등록 요청(registration request) 메시지를 전송하되, 상기 등록 요청 메시지는 상기 AMF으로 LADN 정보를 요청하는 것과 관련된 LADN 요청 정보를 포함하는 단계;상기 AMF으로부터 상기 LADN 정보를 포함하는 등록 수락(registration accept) 메시지를 수신하되, 상기 LADN 정보는 상기 UE에게 이용 가능한 적어도 하나의 LADN과 관련되며; 및상기 AMF로부터 수신된 LADN 정보에 기초하여 상기 적어도 하나의 LADN에 대한 PDU 세션 확립 요청(PDU session establishment request)를 상기 AMF로 전송하는 단계를 포함하는 사용자 장치.
- 제 8항에 있어서,상기 LADN 정보는 등록 영역에서 상기 UE에게 이용 가능한 하나 이상의 LADN들의 리스트를 참조하고,상기 하나 이상의 LADN들의 리스트 내의 각 엔트리는 LADN에 대한 서비스 영역 및 상기 LADN에 대한 적어도 하나의 데이터 네트워크 이름(DNN)에 관한 정보를 포함하는 것을 특징으로 하는 사용자 장치.
- 제9항에 있어서,상기 등록 요청 메시지 내의 상기 LADN 요청 정보는 상기 AMF에서 상기 UE에 대한 LADN 서비스를 지원하는 적어도 하나의 LADN을 특정하고,상기 AMF에서 상기 UE에 대한 상기 LADN 서비스를 지원하는 적어도 하나의 LADN을 특정하는 상기 LADN 요청 정보에 기초하여:상기 AMF로부터 수신된 LADN 정보의 하나 이상의 LADN들의 리스트는 상기 AMF에서 UE에 대한 LADN 서비스를 지원하는 적어도 하나의 LADN의 리스트인 것을 특징으로 하는 사용자 장치.
- 제8항에 있어서, 상기 동작들은,미리 설정된 LADN 연결 허가(connection permission) 정보에 기초하여 PDU 세션 확립을 요청하기 위한 절차를 개시하는 단계를 더 포함하는 것을 특징으로 하는 사용자 장치.
- 제8항에 있어서, 상기 동작들은,상기 UE가 상기 LADN에서 사용되는 LADN 서비스를 수신할 수 있도록 허가하는 와일드 카드 DNN에 대한 가입 정보를 결정하는 단계를 더 포함하는 것을 특징으로 하는 방법.
- 제8항에 있어서,상기 등록 요청 메시지를 전송하는 단계는,상기 UE가 CM_CONNECTED 상태에 있는 것에 기초하여 상기 등록 요청 메시지를 전송하는 단계를 포함하는 사용자 장치.
- 제13항에 있어서,상기 등록 요청 메시지를 전송하는 단계는,상기 UE가 RRC 상태를 변경하는 것에 기초하여 그리고 RRC 상태 보고가 수행되어야 하는지 여부를 나타내는 정보에 기초하여 상기 등록 요청 메시지를 전송하는 단계를 포함하는 사용자 장치.
- 무선 통신 시스템에서 사용자 장지(UE)를 위한 로컬 영역 데이터 네트워크 (LADN)를 위한 프로토콜 데이터 유닛 (PDU) 세션을 확립하기 위해 액세스 및 이동성 관리 기능(AMF: Access and Mobility Management Function)에 의해 수행되는 방법에 있어서,상기 AMF로부터 LADN 정보를 요청하는 것과 관련된 LADN 요청 정보를 포함하는 등록 요청 메시지를 상기 UE로부터 수신하는 단계;상기 UE로 상기 LADN 정보를 포함하는 등록 수락 메시지를 전송하는 단계, 상기 LADN 정보는 상기 UE에 이용 가능한 적어도 하나의 LADN에 관련되며; 및상기 AMF로부터 수신된 상기 LADN 정보에 기초하여 상기 UE로 상기 적어도 하나의 LADN에 대한 PDU 세션 확립 요청을 수신하는 단계를 포함하는 방법.
- 제15항에 있어서,상기 LADN 정보는 등록 영역에서 상기 UE에게 이용 가능한 하나 이상의 LADN들의 리스트를 참조하고,상기 하나 이상의 LADN들의 리스트 내의 각 엔트리는 LADN에 대한 서비스 영역 및 상기 LADN에 대한 적어도 하나의 데이터 네트워크 이름(DNN)에 관한 정보를 포함하는 방법.
- 제16항에 있어서,상기 등록 요청 메시지 내의 상기 LADN 요청 정보는 상기 AMF에서 상기 UE에 대한 LADN 서비스를 지원하는 적어도 하나의 LADN을 특정하고,상기 AMF에서 상기 UE에 대한 상기 LADN 서비스를 지원하는 적어도 하나의 LADN을 특정하는 상기 LADN 요청 정보에 기초하여:상기 UE로 전송되는 LADN 정보의 하나 이상의 LADN들의 리스트는 상기 AMF에서 상기 UE에 대한 LADN 서비스를 지원하는 적어도 하나의 LADN의 리스트인 것을 특징으로 하는 방법.
- 무선 통신 시스템에서 사용자 장치 (UE)를 위한 로컬 영역 데이터 네트워크(LADN: Local Area Data Network)를 위한 프로토콜 데이터 유닛(PDU: Protocol Data Unit) 세션을 확립하기 위해 설정된 액세스 및 이동성 관리 기능(AMF: Access and Mobility Management Function)에 있어서,적어도 하나의 무선 주파수 (RF) 모듈;적어도 하나의 프로세서; 및상기 적어도 하나의 프로세서에 동작 가능하게 접속 가능하며, 실행될 때 상기 적어도 하나의 프로세서로 하여금 동작들을 수행하도록 하는 지시들을 저장하는 적어도 하나의 컴퓨터 메모리를 포함하며, 상기 동작들은상기 AMF로부터 LADN 정보를 요청하는 것과 관련된 LADN 요청 정보를 포함하는 등록 요청 메시지를 상기 UE로부터 수신하는 단계;상기 UE로 상기 LADN 정보를 포함하는 등록 수락 메시지를 전송하는 단계, 상기 LADN 정보는 상기 UE에 이용 가능한 적어도 하나의 LADN에 관련되며; 및상기 AMF로부터 수신된 상기 LADN 정보에 기초하여 상기 UE로 상기 적어도 하나의 LADN에 대한 PDU 세션 확립 요청을 수신하는 단계를 포함하는 AMF.
- 제18항에 있어서,상기 LADN 정보는 등록 영역에서 상기 UE에게 이용 가능한 하나 이상의 LADN들의 리스트를 참조하고,상기 하나 이상의 LADN들의 리스트 내의 각 엔트리는 LADN에 대한 서비스 영역 및 상기 LADN에 대한 적어도 하나의 데이터 네트워크 이름(DNN)에 관한 정보를 포함하는 AMF.
- 제19항에 있어서,상기 등록 요청 메시지 내의 상기 LADN 요청 정보는 상기 AMF에서 상기 UE에 대한 LADN 서비스를 지원하는 적어도 하나의 LADN을 특정하고,상기 AMF에서 상기 UE에 대한 상기 LADN 서비스를 지원하는 적어도 하나의 LADN을 특정하는 상기 LADN 요청 정보에 기초하여:상기 UE로 전송되는 LADN 정보의 하나 이상의 LADN들의 리스트는 상기 AMF에서 상기 UE에 대한 LADN 서비스를 지원하는 적어도 하나의 LADN의 리스트인 것을 특징으로 하는 AMF.
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201980003591.9A CN110915245A (zh) | 2018-05-11 | 2019-03-25 | 在无线通信***中利用ladn的方法和设备 |
MX2019005455A MX2019005455A (es) | 2018-05-11 | 2019-03-25 | Metodo y aparato para utilizar ladn en un sistema de comunicacion inalambrica. |
KR1020197034014A KR20190131150A (ko) | 2018-05-11 | 2019-03-25 | 무선 통신 시스템에서 ladn 이용 방법 및 이를 위한 장치 |
CA3045177A CA3045177A1 (en) | 2018-05-11 | 2019-03-25 | Method and apparatus for utilizing ladn in wireless communication system |
EP19765633.3A EP3592008A4 (en) | 2018-05-11 | 2019-03-25 | METHOD AND DEVICE FOR USING LADN IN A WIRELESS COMMUNICATION SYSTEM |
KR1020197012761A KR102048046B1 (ko) | 2018-05-11 | 2019-03-25 | 무선 통신 시스템에서 ladn 이용 방법 및 이를 위한 장치 |
AU2019203237A AU2019203237A1 (en) | 2018-05-11 | 2019-03-25 | Method and apparatus for utilizing LADN in wireless communication system |
BR112020004785-6A BR112020004785A2 (pt) | 2018-05-11 | 2019-03-25 | método e aparelho para utilizar ladn em sistema de comunicação sem fio |
JP2020507653A JP2020530244A (ja) | 2018-05-11 | 2019-03-25 | 無線通信システムにおけるladn利用方法及びそのための装置 |
PH12019501298A PH12019501298A1 (en) | 2018-05-11 | 2019-06-10 | Method and apparatus for utilizing ladn in wireless communication system |
US16/453,277 US20190349742A1 (en) | 2018-05-11 | 2019-06-26 | Method and apparatus for utilizing ladn in wireless communication system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2018-0054208 | 2018-05-11 | ||
KR20180054208 | 2018-05-11 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US16/453,277 Continuation US20190349742A1 (en) | 2018-05-11 | 2019-06-26 | Method and apparatus for utilizing ladn in wireless communication system |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2019216546A1 true WO2019216546A1 (ko) | 2019-11-14 |
Family
ID=68467999
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2019/003447 WO2019216546A1 (ko) | 2018-05-11 | 2019-03-25 | 무선 통신 시스템에서 ladn 이용 방법 및 이를 위한 장치 |
Country Status (13)
Country | Link |
---|---|
EP (1) | EP3592008A4 (ko) |
JP (1) | JP2020530244A (ko) |
KR (2) | KR102048046B1 (ko) |
CN (1) | CN110915245A (ko) |
AR (1) | AR114894A1 (ko) |
AU (1) | AU2019203237A1 (ko) |
BR (1) | BR112020004785A2 (ko) |
CA (1) | CA3045177A1 (ko) |
CL (1) | CL2019001440A1 (ko) |
MX (1) | MX2019005455A (ko) |
PH (1) | PH12019501298A1 (ko) |
TW (1) | TW201947980A (ko) |
WO (1) | WO2019216546A1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021170121A1 (en) * | 2020-02-27 | 2021-09-02 | Huawei Technologies Co., Ltd. | Methods, systems and apparatuses for management of network functions |
US11838858B2 (en) | 2018-02-17 | 2023-12-05 | Huawei Technologies Co., Ltd. | System and method for UE context and PDU session context management |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20200032410A (ko) * | 2018-09-18 | 2020-03-26 | 삼성전자주식회사 | 상향링크 전송을 위한 패킷 드랍을 방지하기 위한 전자 장치 |
KR102326159B1 (ko) * | 2019-11-21 | 2021-11-12 | 주식회사 엘지유플러스 | Ladn 서비스 제공을 위한 기기 및 기기의 동작 방법 |
CN112333824A (zh) * | 2020-10-27 | 2021-02-05 | 广东电网有限责任公司广州供电局 | 一种上行资源调度方法和装置 |
EP4238331B1 (en) * | 2020-10-30 | 2024-07-03 | Telefonaktiebolaget LM Ericsson (publ) | Handling application functions for key management in communication device-network relay scenarios |
WO2022201511A1 (ja) * | 2021-03-26 | 2022-09-29 | 日本電気株式会社 | 通信システム、通信管理サーバ、制御装置、通信管理方法、通信制御方法及び非一時的なコンピュータ可読媒体 |
WO2023042243A1 (ja) * | 2021-09-14 | 2023-03-23 | 日本電気株式会社 | 通信制御システム、通信制御装置および通信制御方法 |
KR20230138387A (ko) * | 2022-03-23 | 2023-10-05 | 엘지전자 주식회사 | 로컬화된 서비스에 관련된 통신 |
KR20240044916A (ko) * | 2022-09-29 | 2024-04-05 | 삼성전자주식회사 | 무선 통신 시스템에서 제한된 pdu 세션에 대한 정책 제어를 위한 방법 및 장치 |
WO2024125828A1 (en) * | 2022-12-12 | 2024-06-20 | Telefonaktiebolaget Lm Ericsson (Publ) | Technique for aoi event monitoring |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170339609A1 (en) * | 2016-05-17 | 2017-11-23 | Lg Electronics Inc. | Method and apparatus for determining pdu session identity in wireless communication system |
KR20180021636A (ko) * | 2016-08-22 | 2018-03-05 | 삼성전자주식회사 | 무선 통신 네트워크에서 지역별 데이터 네트워크 구성을 위한 방법 및 시스템 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117082641A (zh) * | 2016-08-22 | 2023-11-17 | 三星电子株式会社 | 用于无线通信网络中的区域数据网络配置的方法和*** |
CN107770815B (zh) * | 2017-10-18 | 2020-09-11 | 中国联合网络通信集团有限公司 | 一种基于位置的mec方法及设备 |
-
2019
- 2019-03-25 MX MX2019005455A patent/MX2019005455A/es unknown
- 2019-03-25 KR KR1020197012761A patent/KR102048046B1/ko active IP Right Grant
- 2019-03-25 AU AU2019203237A patent/AU2019203237A1/en not_active Abandoned
- 2019-03-25 JP JP2020507653A patent/JP2020530244A/ja active Pending
- 2019-03-25 BR BR112020004785-6A patent/BR112020004785A2/pt not_active IP Right Cessation
- 2019-03-25 KR KR1020197034014A patent/KR20190131150A/ko not_active Application Discontinuation
- 2019-03-25 WO PCT/KR2019/003447 patent/WO2019216546A1/ko unknown
- 2019-03-25 CN CN201980003591.9A patent/CN110915245A/zh active Pending
- 2019-03-25 EP EP19765633.3A patent/EP3592008A4/en not_active Withdrawn
- 2019-03-25 CA CA3045177A patent/CA3045177A1/en not_active Abandoned
- 2019-05-07 TW TW108115760A patent/TW201947980A/zh unknown
- 2019-05-10 AR ARP190101244A patent/AR114894A1/es unknown
- 2019-05-28 CL CL2019001440A patent/CL2019001440A1/es unknown
- 2019-06-10 PH PH12019501298A patent/PH12019501298A1/en unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170339609A1 (en) * | 2016-05-17 | 2017-11-23 | Lg Electronics Inc. | Method and apparatus for determining pdu session identity in wireless communication system |
KR20180021636A (ko) * | 2016-08-22 | 2018-03-05 | 삼성전자주식회사 | 무선 통신 네트워크에서 지역별 데이터 네트워크 구성을 위한 방법 및 시스템 |
Non-Patent Citations (3)
Title |
---|
HUAWEI, HISILICON: "Discussion on aspects for LADN", 3GPP DRAFT; S2-182275 - DISCUSSION ON ASPECTS FOR LADN, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. SA WG2, no. Montreal, Canada; 20180226 - 20180302, S2-182275 - Discussion on aspects for LADN, 20 February 2018 (2018-02-20), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP051408794 * |
LG ELECTRONICS, NOKIA: "LADN configuration of UE", 3GPP DRAFT; S2-184591 WAS 4438_LADN CONFIGURATION OF UE, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. SA WG2, no. Sanya, China; 20180416 - 20180420, S2-184591 was 4438_LADN configuration of UE, 20 April 2018 (2018-04-20), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP051433132 * |
See also references of EP3592008A4 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11838858B2 (en) | 2018-02-17 | 2023-12-05 | Huawei Technologies Co., Ltd. | System and method for UE context and PDU session context management |
WO2021170121A1 (en) * | 2020-02-27 | 2021-09-02 | Huawei Technologies Co., Ltd. | Methods, systems and apparatuses for management of network functions |
US11659454B2 (en) | 2020-02-27 | 2023-05-23 | Huawei Technologies Co., Ltd. | Methods, systems and apparatuses for management or network functions |
Also Published As
Publication number | Publication date |
---|---|
PH12019501298A1 (en) | 2019-12-11 |
KR20190131150A (ko) | 2019-11-25 |
AR114894A1 (es) | 2020-10-28 |
KR20190129822A (ko) | 2019-11-20 |
EP3592008A1 (en) | 2020-01-08 |
JP2020530244A (ja) | 2020-10-15 |
EP3592008A4 (en) | 2020-06-10 |
CA3045177A1 (en) | 2019-11-11 |
MX2019005455A (es) | 2020-02-07 |
CN110915245A (zh) | 2020-03-24 |
AU2019203237A1 (en) | 2019-11-28 |
BR112020004785A2 (pt) | 2020-12-01 |
CL2019001440A1 (es) | 2020-02-07 |
KR102048046B1 (ko) | 2019-11-22 |
TW201947980A (zh) | 2019-12-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2019216546A1 (ko) | 무선 통신 시스템에서 ladn 이용 방법 및 이를 위한 장치 | |
WO2019160390A1 (ko) | 무선 통신 시스템에서의 단말 설정 업데이트 방법 및 이를 위한 장치 | |
WO2019098745A1 (ko) | 무선 통신 시스템에서의 핸드오버 방법 및 이를 위한 장치 | |
WO2019194473A1 (ko) | 무선 통신 시스템에서 프로토콜 데이터 유닛 세션을 제어하는 방법 및 이를 위한 장치 | |
WO2018008944A1 (ko) | 무선 통신 시스템에서 등록 관리 방법 및 이를 위한 장치 | |
WO2018128528A1 (ko) | 무선 통신 시스템에서 pdu 세션 관리 방법 및 이를 위한 장치 | |
WO2018066799A1 (ko) | 무선 통신 시스템에서 세션 및 서비스 연속성 모드 선택 방법 및 이를 위한 장치 | |
WO2018131984A1 (ko) | 무선 통신 시스템에서 ue 설정 업데이트 방법 및 이를 위한 장치 | |
WO2018231007A1 (ko) | 요청에 대한 응답 방법 및 네트워크 장치 | |
WO2018111029A1 (ko) | 무선 통신 시스템에서 핸드오버 수행 방법 및 이를 위한 장치 | |
WO2018174516A1 (ko) | 무선 통신 시스템에서 nas 메시지 처리 방법 및 이를 위한 장치 | |
WO2019216526A1 (ko) | 5gs에서 액세스 제어를 수행하는 방법 및 사용자 장치 | |
WO2017119802A1 (ko) | 무선 통신 시스템에서 nidd(non-ip data delivery) 구성 설정 방법 및 이를 위한 장치 | |
WO2018231028A1 (ko) | 무선 통신 시스템에서 단말의 등록 방법 및 이를 위한 장치 | |
WO2018097599A1 (ko) | 무선 통신 시스템에서의 등록 해제 방법 및 이를 위한 장치 | |
WO2019098623A1 (ko) | 무선 통신 시스템에서의 ladn 서비스 지원 및 제공 방법과 이를 위한 장치 | |
WO2018008980A1 (ko) | 무선 통신 시스템에서 사용자가 선호하는 자원 운용 선택 방법 및 이를 위한 장치 | |
WO2018070689A1 (ko) | 무선 통신 시스템에서의 반영형 서비스 퀄리티 적용 방법 및 이를 위한 장치 | |
WO2016153130A1 (ko) | 무선 통신 시스템에서 단말의 데이터 송수신 방법 및 장치 | |
WO2018079998A1 (ko) | 무선 통신 시스템에서 핸드오버를 수행하기 위한 방법 및 이를 위한 장치 | |
WO2018066876A1 (ko) | 무선 통신 시스템에서 v2x 통신 지원 방법 | |
WO2019135560A1 (ko) | Pdu 세션 수립 절차를 수행하는 방법, 사용자 장치 및 네트워크 노드 | |
WO2017164679A1 (ko) | 무선 통신 시스템에서 트래킹 영역 업데이트 방법 및 이를 위한 장치 | |
WO2018080230A1 (ko) | 무선 통신 시스템에서 emm 모드를 결정하는 방법 및 이를 위한 장치 | |
WO2019070100A1 (ko) | 네트워크 슬라이싱을 지원하는 무선 통신 시스템에서 정보를 송수신하는 방법 및 이를 위한 장치 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ENP | Entry into the national phase |
Ref document number: 2019765633 Country of ref document: EP Effective date: 20190918 |
|
ENP | Entry into the national phase |
Ref document number: 2019203237 Country of ref document: AU Date of ref document: 20190325 Kind code of ref document: A |
|
ENP | Entry into the national phase |
Ref document number: 2020507653 Country of ref document: JP Kind code of ref document: A |
|
REG | Reference to national code |
Ref country code: BR Ref legal event code: B01A Ref document number: 112020004785 Country of ref document: BR |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 112020004785 Country of ref document: BR Kind code of ref document: A2 Effective date: 20200310 |