WO2020145299A1 - ネットワークノード及び通知方法 - Google Patents
ネットワークノード及び通知方法 Download PDFInfo
- Publication number
- WO2020145299A1 WO2020145299A1 PCT/JP2020/000299 JP2020000299W WO2020145299A1 WO 2020145299 A1 WO2020145299 A1 WO 2020145299A1 JP 2020000299 W JP2020000299 W JP 2020000299W WO 2020145299 A1 WO2020145299 A1 WO 2020145299A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- network
- network node
- information
- user device
- information related
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/10—Integrity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/18—Selecting a network or a communication service
-
- 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
- H04W8/08—Mobility data transfer
- H04W8/12—Mobility data transfer between location registers or mobility servers
-
- 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
- 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
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/042—Public Land Mobile systems, e.g. cellular systems
Definitions
- the present invention relates to a network node and a notification method in a communication system.
- 5G Fifth Generation Partnership Project
- NR New Radio
- 5G various wireless technologies are being studied in order to satisfy the requirement of achieving a throughput of 10 Gbps or more and a delay of a wireless section of 1 ms or less.
- 5GC 5G Core Network
- EPC Evolved Packet Core
- LTE Long Term Evolution
- E-UTRAN Radio Access Network
- a network architecture including an NG-RAN (Next Generation-Radio Access Network) corresponding to Evolved Universal Terrestrial Radio Access Network) is being studied (for example, Non-Patent Document 1).
- the present invention has been made in view of the above points, and an object thereof is to allow a network to grasp the status of a user device in a roaming environment.
- a receiving unit that is a first network node in a VPLMN (Visited Public land mobile network) and receives information related to network selection from a second network node in an HPLMN (Home Public land mobile network).
- a transmission unit that transmits information related to the network selection to the user device, and a response to the information related to the network selection transmitted to the user device cannot be received from the user device, the user device
- a network node having a control unit for transmitting to the second network node a response indicating that the information related to the selection could not be received.
- the network can grasp the status of the user equipment in the roaming environment.
- LTE Long Term Evolution
- NR Universal Terrestrial Radio Access
- LAN Local Area Network
- “configuring” the wireless parameter and the like may mean that a predetermined value is set in advance (Pre-configure), or the network node 10 or The wireless parameter notified from the user device 20 may be set.
- FIG. 1 is a diagram for explaining a communication network according to the embodiment of the present invention.
- the network includes a UE that is a user device 20 and a plurality of network nodes 10.
- one network node 10 corresponds to each function, but one network node 10 may realize a plurality of functions, or a plurality of network nodes 10 may realize one function. ..
- the “connection” described below may be a logical connection or a physical connection.
- RAN Radio Access Network
- AMF Access and Mobility Management Function
- UPF User plane function
- the AMF is a network node 10 having functions such as RAN interface termination, NAS (Non-Access Stratum) termination, registration management, connection management, reachability management, and mobility management.
- the UPF is a network node 10 having functions such as a PDU (Protocol Data Unit) session point for the outside interconnected with a DN (Data Network), packet routing and forwarding, and a user plane QoS (Quality of Service) handling.
- PDU Protocol Data Unit
- DN Data Network
- packet routing and forwarding and a user plane QoS (Quality of Service) handling.
- UPF and DN constitute a network slice.
- a plurality of network slices may be constructed.
- AMF is UE, RAN, SMF (Session Management Function), NSSF (Network Slice Selection Function), NEF (Network Exposure Function), NRF (Network Repository Function), AUSF (Authentication Server Function), PCF (Policy Control Function), It is connected to AF (Application Function), UDM (Unified Data Management), and SEPP (Security Edge Protection Proxy).
- the AMF, SMF, NSSF, NEF, NRF, AUSF, PCF, AF, and UDM are connected to each other via interfaces based on their respective services, Namf, Nsmf, Nnssf, Nnef, Nnrf, Nausf, Npcf, Naf, and Nudm. Network node 10.
- the SMF is a network node 10 having functions such as session management, UE IP (Internet Protocol) address allocation and management, DHCP (Dynamic Host Configuration Protocol) function, ARP (Address Resolution Protocol) proxy, and roaming function.
- the NEF is a network node 10 having a function of notifying other NFs (Network Functions) of capabilities and events.
- the NSSF is a network node 10 having functions such as selection of a network slice to which a UE connects, determination of permitted NSSAI (Network Slice Selection Assistance Information), determination of a set NSSAI, determination of an AMF set to which the UE connects. is there.
- the PCF is a network node 10 having a function of controlling policy of the network.
- the AF is a network node 10 having a function of controlling an application server.
- the UDM and AUSF are network nodes 10 having functions of generating authentication information, identifying a user, and restricting access during roaming based on subscriber data.
- SEPP is a non-transparent proxy and filters control plane messages between PLMNs (Public land mobile networks).
- VSEPP shown in FIG. 1 is SEPP in a visited network, and hSEPP is SEPP in a home network.
- the UE is in a roaming environment connected to the RAN and the AMF in the VPLMN (Visited PLMN).
- VPLMN and HPLMN are connected via vSEPP and hSEPP.
- the UE can communicate with the UDM of the HPLMN via the AMF of the VPLMN, for example.
- the operator deploys a 5G system HPLMN as shown in Fig. 1 and uses the SoR (Steering of Roaming) function on the control plane.
- SoR Step of Roaming
- VPLMN also supports the 5G system.
- the operator can redirect the SoR information to the UE when the UE performs location registration in the VPLMN.
- the SoR information may include, for example, a PLMN list, an access technology list, information indicating that the list does not exist, information indicating requesting a response when the information is correctly acquired, and the like. Further, for example, the operator may improve the security against falsification of the SoR information by executing either or both of integrity protection (Confidential Protection) and confidentiality protection (Confidential Protection) on the SoR information.
- VPLMN cannot change the SoR information supplied from HPLMN to the roaming UE without permission.
- the VPLMN can only pass the SoR information and the response that the SoR information was obtained by the UE to the roaming UE during the successful location registration procedure.
- the location registration procedure is not always successful and may be rejected due to various factors.
- the SoR information may be obtained by the UE at any time when the UE is in connected mode. That is, the HPLMN may send the SoR information to the UE via the VPLMN. Here, as in the location registration procedure, communication in the connected mode may fail. As a case where the AMF cannot supply the SoR information to the UE, it is assumed that the UE cannot be connected to the UE because the UE is powered off or the UE is out of range.
- the HPLMN can provide the SoR information to the UE during the location registration procedure.
- the SoR information is sent to the UE via the VPLMN and the VPLMN cannot change the SoR information without authorization.
- the VPLMN can include the SoR information in the location registration acceptance message and transmit it.
- the UE may be denied location registration at the VPLMN. If the location registration is rejected, the SoR information provided by the UDM or AUSF of the HPLMN is not forwarded to the UE by the VPLMN. Furthermore, the HPLMN cannot know whether the UE has acquired the SoR information.
- the VPLMN needs to notify the HPLMN that the SoR information received by the VPLMN due to the location registration rejection has not been transferred to the UE.
- FIG. 2 is a sequence diagram for explaining an example (1) of the SoR processing method according to the embodiment of the present invention. Steps S1 to S5 of FIG. 2 are the same as the existing location registration procedure.
- AMF indicates AMF in VPLMN
- UDM indicates UDM and AUSF in HPLMN.
- step S1 the UE sends "REGIRATION REQUEST" to the AMF.
- “REGISTRATION REQUEST” is a message requesting location registration.
- AN Access Network
- SUCI Subscribescription Concealed Identifier
- 5G-GUTI 5G Globally Unique Temporary Identifier
- PEI Permanent Equipment Identifier
- the AMF sends “Nudm_SDM_Get” to the UDM.
- “Nudm_SDM_Get” is a message requesting information from UDM, and is information requesting access and mobility subscription data, SMF selection subscription data, UE context in SMF, and the like.
- step S3 the UDM decides to send SoR information. Then, the UDM transmits "Nudm_SDM_Get_Response” to the AMF (S4). “Nudm_SDM_Get_Response” includes information requested by “Nudm_SDM_Get” and SoR information. Subsequently, the AMF transmits “Nudm_SDM_Subscribe” to the UDM (S5). “Nudm_SDM_Subscribe” is used to notify the UDM when the requested data is changed.
- “REGISTRATION ACCEPT” including the transparent container including the SoR information is transmitted from the AMF to the UE after step 5, and then “REGISTRATION COMPLETE” is transmitted from the UE to the AMF. ..
- the AMF includes the transparent container in the "Nudm_SDM_info" message to be transmitted to the UDM (S6).
- the HPLMN verifies whether the response is transmitted from the UE.
- the UDM cannot receive the response from the UE regarding the SoR information.
- the AMF notifies the UDM by including the information indicating that the transmission of the SoR information to the UE has failed in “Nudm_SDM_info”.
- the AMF may send the SoR information back to the UDM, which may validate it.
- the UDM recognizes that the SoR has not been transferred to the UE by confirming that the transmitted SoR information has been returned. Further, the AMF may notify the UDM of the reason (Cause) that the SoR information was not transferred to the UE. For example, the reason may be that "location registration has been rejected”.
- the data type “AcknowledgeInfo” included in “Nudm_SDM_info” may be extended to include information indicating that the transmission of SoR information to the UE has failed.
- the AMF may include the SoR information in "REGIRATION REJECT” and transmit the UE to the UE.
- the SoR information in the "REGIRATION REJECT” By including the SoR information in the "REGIRATION REJECT” and transmitting it to the UE, the AMF can transmit the SoR information to the UE even if the location registration is rejected.
- FIG. 3 is a sequence diagram for explaining an example (2) of the SoR processing method according to the embodiment of the present invention.
- AMF indicates AMF in VPLMN
- UDM indicates UDM in HPLMN.
- step S21 the UDM transmits "Nudm_SDM_UpdateNotification" to the SMF.
- “Nudm_SDM_UpdateNotification” includes SoR information.
- step S22 the AMF sends a NAS message “DL NAS TRANSPORT” including SoR information to the UE.
- the UE transmits "UL NAS TRANSPORT” including a response to the SoR information to the AMF.
- “UL NAS TRANSPORT” includes a transparent container that includes the response from the UE
- the AMF includes the transparent container in the “Nudm_SDM_info” message sent to the UDM (S24).
- the HPLMN verifies whether the response is transmitted from the UE.
- the AMF notifies the UDM by including the information indicating that the transmission of the SoR information to the UE has failed in “Nudm_SDM_info”.
- the AMF may send the SoR information back to the UDM, which may validate it.
- the UDM recognizes that the SoR has not been transferred to the UE by confirming that the transmitted SoR information has been returned.
- the AMF may also notify the UDM of the reason why the SoR information was not transferred to the UE. For example, it may be the reason that “connection to the UE has failed”.
- the AMF uses the same procedure as described above.
- the UDM may be notified of information indicating that the transmission of the information or the other information has failed.
- the AMF that is the network node can execute the process when the AMF cannot send the SoR information to the UE.
- the VPLMN AMF can respond to the HPLMN UDM by returning the received SoR information to the UDM. Further, when the AMF of the VPLMN executes the response regarding the SoR information to the UDM of the HPLMN, the AMF of the VPLMN can transmit information indicating the reason why the transfer of the SoR information to the UE has failed.
- the HPDMN UDM can recognize that the transmission of the SoR information to the UE has failed by confirming the validity of the returned SoR information.
- the information indicating the reason why the return of the SoR information and the transfer of the SoR information to the UE failed can be included in the existing “Nudm_SDM_Info” message transmitted from the AMF to the UDM.
- Businesses can control roaming subscribers residing in VPLMN based on business agreements and cost-revenue analysis. Moreover, the operator can get a way to recognize the situation of the UE.
- the network can grasp the status of the user equipment in the roaming environment.
- the network node 10 and the user equipment 20 include the functionality to implement the above-described embodiments. However, each of the network node 10 and the user device 20 may have only some of the functions in the embodiment.
- FIG. 4 is a diagram showing an example of the functional configuration of the network node 10.
- the network node 10 includes a transmission unit 110, a reception unit 120, a setting unit 130, and a control unit 140.
- the functional configuration shown in FIG. 4 is merely an example.
- the function classification and the names of the function units may be any names.
- the network node 10 having a plurality of different functions on the system architecture may be composed of a plurality of network nodes 10 separated for each function.
- the transmitting unit 110 includes a function of generating a signal to be transmitted to the user device 20 or another network node 10 and transmitting the signal by wire or wirelessly.
- the receiving unit 120 includes a function of receiving various signals transmitted from the user device 20 or another network node 10 and acquiring, for example, information of a higher layer from the received signals.
- the setting unit 130 stores preset setting information and various setting information to be transmitted to the user device 20 in the storage device, and reads it from the storage device as necessary.
- the content of the setting information is, for example, subscriber information and SoR information of the user device 20.
- the control unit 140 performs processing related to communication control of the user device 20 in the roaming environment, as described in the embodiment. In addition, the control unit 140 performs processing related to the SoR information notification to the user device 20.
- the functional unit related to signal transmission in the control unit 140 may be included in the transmission unit 110, and the functional unit related to signal reception in the control unit 140 may be included in the reception unit 120.
- FIG. 5 is a diagram illustrating an example of a functional configuration of the user device 20.
- the user device 20 includes a transmission unit 210, a reception unit 220, a setting unit 230, and a control unit 240.
- the functional configuration shown in FIG. 5 is merely an example. As long as the operation according to the embodiment of the present invention can be executed, the function classification and the names of the function units may be any names.
- the transmitting unit 210 creates a transmission signal from the transmission data and wirelessly transmits the transmission signal.
- the reception unit 220 wirelessly receives various signals and acquires signals of higher layers from the received physical layer signals.
- the receiving unit 220 also has a function of receiving the NR-PSS, NR-SSS, NR-PBCH, DL/UL control signal or reference signal transmitted from the network node 10.
- the setting unit 230 stores various setting information received from the network node 10 by the receiving unit 220 in a storage device and reads it from the storage device as necessary.
- the setting unit 230 also stores preset setting information.
- the contents of the setting information are, for example, subscriber information and SoR information.
- the control unit 240 performs processing relating to communication control in the roaming environment, as described in the embodiment. In addition, the control unit 240 performs processing related to control when receiving SoR information.
- the functional unit related to signal transmission in the control unit 240 may be included in the transmission unit 210, and the functional unit related to signal reception in the control unit 240 may be included in the reception unit 220.
- each functional block may be realized by using one device physically or logically coupled, or directly or indirectly (for example, two or more devices physically or logically separated). , Wired, wireless, etc.) and may be implemented using these multiple devices.
- the functional blocks may be realized by combining the one device or the plurality of devices with software.
- Functions include judgment, decision, judgment, calculation, calculation, processing, derivation, investigation, search, confirmation, reception, transmission, output, access, resolution, selection, selection, establishment, comparison, assumption, expectation, observation, Broadcasting, notifying, communicating, forwarding, configuration, reconfiguring, allocating, mapping, assigning, etc., but not limited to these.
- the functional block (configuration unit) that causes transmission to function is called a transmitting unit or transmitter.
- the implementation method is not particularly limited.
- the network node 10, the user device 20, and the like according to the embodiment of the present disclosure may function as a computer that performs the process of the wireless communication method of the present disclosure.
- FIG. 6 is a diagram illustrating an example of a hardware configuration of the network node 10 and the user device 20 according to the embodiment of the present disclosure.
- the network node 10 and the user device 20 described above are physically configured as a computer device including a processor 1001, a storage device 1002, an auxiliary storage device 1003, a communication device 1004, an input device 1005, an output device 1006, a bus 1007, and the like. May be.
- the word “apparatus” can be read as a circuit, device, unit, or the like.
- the hardware configurations of the network node 10 and the user device 20 may be configured to include one or a plurality of each device illustrated in the figure, or may be configured not to include some devices.
- Each function in the network node 10 and the user device 20 causes a predetermined software (program) to be loaded on hardware such as the processor 1001, the storage device 1002, etc., so that the processor 1001 performs an operation and controls communication by the communication device 1004. Or by controlling at least one of reading and writing of data in the storage device 1002 and the auxiliary storage device 1003.
- a predetermined software program
- the processor 1001 operates an operating system to control the entire computer, for example.
- the processor 1001 may be configured by a central processing unit (CPU) including an interface with peripheral devices, a control device, a calculation device, a register, and the like.
- CPU central processing unit
- the control unit 140, the control unit 240, and the like described above may be realized by the processor 1001.
- the processor 1001 reads a program (program code), software module, data, or the like from at least one of the auxiliary storage device 1003 and the communication device 1004 to the storage device 1002, and executes various processes according to these.
- a program that causes a computer to execute at least part of the operations described in the above-described embodiments is used.
- the control unit 140 of the network node 10 illustrated in FIG. 4 may be realized by a control program stored in the storage device 1002 and operated by the processor 1001.
- the control unit 240 of the user device 20 illustrated in FIG. 5 may be realized by a control program stored in the storage device 1002 and operated by the processor 1001.
- the various processes described above are executed by one processor 1001, they may be executed simultaneously or sequentially by two or more processors 1001.
- the processor 1001 may be implemented by one or more chips.
- the program may be transmitted from the network via an electric communication line.
- the storage device 1002 is a computer-readable recording medium, and is, for example, at least one of ROM (Read Only Memory), EPROM (Erasable Programmable ROM), EEPROM (Electrically Erasable Programmable ROM), RAM (Random Access Memory), and the like. It may be configured.
- the storage device 1002 may be called a register, a cache, a main memory (main storage device), or the like.
- the storage device 1002 can store a program (program code) that can be executed to implement the communication method according to the embodiment of the present disclosure, a software module, and the like.
- the auxiliary storage device 1003 is a computer-readable recording medium, and is, for example, an optical disc such as a CD-ROM (Compact Disc ROM), a hard disk drive, a flexible disc, a magneto-optical disc (for example, a compact disc, a digital versatile disc, a Blu disc). -Ray disc), smart card, flash memory (eg card, stick, key drive), floppy disc, magnetic strip, etc.
- the above-mentioned storage medium may be, for example, a database including at least one of the storage device 1002 and the auxiliary storage device 1003, a server, or another appropriate medium.
- the communication device 1004 is hardware (transmission/reception device) for performing communication between computers via at least one of a wired network and a wireless network, and is also called, for example, a network device, a network controller, a network card, a communication module, or the like.
- the communication device 1004 includes, for example, a high frequency switch, a duplexer, a filter, a frequency synthesizer, etc. in order to realize at least one of frequency division duplex (FDD: Frequency Division Duplex) and time division duplex (TDD: Time Division Duplex). May be composed of
- the transmission/reception antenna, the amplifier unit, the transmission/reception unit, the transmission line interface, and the like may be realized by the communication device 1004.
- the transmitter/receiver may be implemented by physically or logically separating the transmitter and the receiver.
- the input device 1005 is an input device (for example, a keyboard, a mouse, a microphone, a switch, a button, a sensor, etc.) that receives an input from the outside.
- the output device 1006 is an output device (for example, a display, a speaker, an LED lamp, etc.) that outputs to the outside.
- the input device 1005 and the output device 1006 may be integrated (for example, a touch panel).
- each device such as the processor 1001 and the storage device 1002 is connected by a bus 1007 for communicating information.
- the bus 1007 may be configured by using a single bus, or may be configured by using a different bus for each device.
- the network node 10 and the user device 20 are hardware such as a microprocessor, a digital signal processor (DSP: Digital Signal Processor), an ASIC (Application Specific Integrated Circuit), a PLD (Programmable Logic Device), and an FPGA (Field Programmable Gate Array). It may be configured to include hardware, and the hardware may implement some or all of the functional blocks. For example, the processor 1001 may be implemented using at least one of these hardware.
- DSP Digital Signal Processor
- ASIC Application Specific Integrated Circuit
- PLD Programmable Logic Device
- FPGA Field Programmable Gate Array
- the present invention from the first network node in the VPLMN (Visited Public land mobile network) to the second network node in the HPLMN (Home Public land mobile network).
- a reception unit that receives information related to network selection, a transmission unit that transmits information related to the network selection to a user device, and a response to the information related to the network selection transmitted to the user device can be received from the user device. If not, a network node having a control unit for transmitting to the second network node a response indicating that the user equipment could not receive the information related to the network selection.
- the AMF which is the network node, can execute the process when the AMF cannot send the SoR information to the UE. That is, the network can grasp the situation of the user equipment in the roaming environment.
- the information related to the network selection may be SoR (Steering of Roaming) information.
- SoR Steping of Roaming
- the AMF which is a network node, can send a response indicating that the SoR information has not been received by the UE to the UDM when the SoR information cannot be sent to the UE.
- the response indicating that the user device cannot receive the information regarding the network selection may include the information regarding the network selection received from the second network node.
- the AMF of the VPLMN can respond to the UDM of the HPLMN by returning the received SoR information to the UDM.
- the HPDMN UDM can recognize that the transmission of the SoR information to the UE has failed by confirming the validity of the returned SoR information.
- the response indicating that the user device cannot receive the information related to the network selection may include a reason why the response to the information related to the network selection transmitted to the user device cannot be received from the user device.
- the AMF of the VPLMN can transmit the information indicating the reason why the transfer of the SoR information to the UE failed when executing the response related to the SoR information to the UDM of the HPLMN.
- a response to the information related to the network selection transmitted by the first network node to the user equipment from the user equipment if the first network node cannot receive the response from the user equipment, On the basis of a receiving unit that receives a response indicating that the information regarding the network selection cannot be received from the first network node, and a response indicating that the user device cannot receive the information regarding the network selection,
- a network node having a control unit for specifying the user equipment is provided.
- the HPDMN UDM can recognize that the transmission of the SoR information to the UE has failed by confirming the validity of the returned SoR information. That is, the network can grasp the situation of the user equipment in the roaming environment.
- the notification method is executed by the first network node in the VPLMN (Visited Public land mobile network), and is transmitted from the second network node in the HPLMN (Home Public land mobile network).
- a reception procedure for receiving information related to network selection, a transmission procedure for transmitting information related to the network selection to a user apparatus, and a response to the information related to the network selection transmitted to the user apparatus can be received from the user apparatus. If not, a control method for transmitting to the second network node a response indicating that the user equipment could not receive the information related to the network selection is provided.
- the AMF which is the network node, can execute the process when the AMF cannot send the SoR information to the UE. That is, the network can grasp the situation of the user equipment in the roaming environment.
- the operation of a plurality of functional units may be physically performed by one component, or the operation of one functional unit may be physically performed by a plurality of components.
- the order of processing may be changed as long as there is no contradiction.
- the network node 10 and the user device 20 have been described using functional block diagrams, but such devices may be implemented in hardware, software, or a combination thereof.
- the software operated by the processor included in the network node 10 according to the embodiment of the present invention and the software operated by the processor included in the user device 20 according to the embodiment of the present invention are respectively a random access memory (RAM), a flash memory, and a read-only memory. It may be stored in a memory (ROM), EPROM, EEPROM, register, hard disk (HDD), removable disk, CD-ROM, database, server, or any other suitable storage medium.
- the notification of information is not limited to the mode/embodiment described in the present disclosure, and may be performed using another method.
- information is notified by physical layer signaling (for example, DCI (Downlink Control Information), UCI (Uplink Control Information)), upper layer signaling (for example, RRC (Radio Resource Control) signaling, MAC (Medium Access Control) signaling, It may be implemented by broadcast information (MIB (Master Information Block), SIB (System Information Block)), other signals, or a combination thereof, and RRC signaling may be called an RRC message, for example, RRC message. It may be a connection setup (RRC Connection Setup) message, an RRC connection reconfiguration message, or the like.
- LTE Long Term Evolution
- LTE-A Long Term Evolution-Advanced
- SUPER 3G IMT-Advanced
- 4G 4th generation mobile communication system
- 5G 5th generation mobile communication
- FRA Full Radio Access
- NR new Radio
- W-CDMA registered trademark
- GSM registered trademark
- CDMA2000 Code Division Multiple Access 2000
- UMB Universal Mobile Broadband
- IEEE 802.11 Wi-Fi (registered trademark)
- IEEE 802.16 WiMAX (registered trademark)
- IEEE 802.20 UWB (Ultra-WideBand
- Bluetooth registered trademark
- It may be applied to at least one of the next-generation systems. Further, a plurality of systems may be combined and applied (for example, a combination of at least one of LTE and LTE-A and 5G).
- the specific operation that is performed by the network node 10 in this specification may be performed by its upper node in some cases.
- various operations performed for communication with the user device 20 are performed by the network node 10 and other network nodes other than the network node 10.
- it can be done by at least one of (for example, but not limited to, MME or S-GW etc.).
- the other network node may be a combination of a plurality of other network nodes (for example, MME and S-GW). ..
- Information, signals, etc. described in the present disclosure may be output from the upper layer (or lower layer) to the lower layer (or upper layer). Input/output may be performed via a plurality of network nodes.
- Information that has been input and output may be stored in a specific location (for example, memory), or may be managed using a management table. Information that is input/output may be overwritten, updated, or added. The output information and the like may be deleted. The input information and the like may be transmitted to another device.
- the determination according to the present disclosure may be performed based on a value (0 or 1) represented by 1 bit, may be performed based on a Boolean value (Boolean: true or false), or may be performed by comparing numerical values (for example, , Comparison with a predetermined value).
- software, instructions, information, etc. may be sent and received via a transmission medium.
- the software uses a website using at least one of wired technology (coaxial cable, optical fiber cable, twisted pair, digital subscriber line (DSL), etc.) and wireless technology (infrared, microwave, etc.), When sent from a server, or other remote source, at least one of these wired and wireless technologies are included within the definition of transmission medium.
- wired technology coaxial cable, optical fiber cable, twisted pair, digital subscriber line (DSL), etc.
- wireless technology infrared, microwave, etc.
- data, instructions, commands, information, signals, bits, symbols, chips, etc. that may be referred to throughout the above description include voltage, current, electromagnetic waves, magnetic fields or magnetic particles, optical fields or photons, or any of these. May be represented by a combination of
- At least one of the channel and the symbol may be a signal (signaling).
- the signal may also be a message.
- a component carrier CC:Component Carrier
- CC Component Carrier
- system and “network” used in this disclosure are used interchangeably.
- the information, parameters, etc. described in the present disclosure may be represented by using an absolute value, may be represented by using a relative value from a predetermined value, or by using other corresponding information. May be represented.
- the radio resources may be those indicated by the index.
- base station Base Station
- radio base station base station
- base station device fixed station
- NodeB NodeB
- eNodeB eNodeB
- GNB nodeB
- Access point access point
- transmission point transmission point
- reception point transmission/reception point
- cell cell
- vector Terms such as “cell group”, “carrier”, “component carrier” may be used interchangeably.
- a base station may be referred to by terms such as macro cell, small cell, femto cell, and pico cell.
- a base station can accommodate one or more (eg, three) cells.
- the entire coverage area of the base station can be divided into multiple smaller areas, each smaller area being a base station subsystem (eg, a small indoor base station (RRH: It is also possible to provide communication services by Remote Radio Head).
- RRH small indoor base station
- the term "cell” or “sector” refers to a part or the whole of the coverage area of at least one of the base station and the base station subsystem that perform communication services in this coverage. Refers to.
- MS Mobile Station
- UE User Equipment
- Mobile stations are defined by those skilled in the art as subscriber stations, mobile units, subscriber units, wireless units, remote units, mobile devices, wireless devices, wireless communication devices, remote devices, mobile subscriber stations, access terminals, mobile terminals, wireless. It may also be referred to as a terminal, remote terminal, handset, user agent, mobile client, client, or some other suitable term.
- At least one of the base station and the mobile station may be called a transmission device, a reception device, a communication device, or the like.
- the base station and the mobile station may be a device mounted on a mobile body, the mobile body itself, or the like.
- the moving body may be a vehicle (eg, car, airplane, etc.), an unmanned moving body (eg, drone, self-driving car, etc.), or a robot (manned or unmanned).
- At least one of the base station and the mobile station also includes a device that does not necessarily move during a communication operation.
- at least one of the base station and the mobile station may be an IoT (Internet of Things) device such as a sensor.
- IoT Internet of Things
- the base station in the present disclosure may be replaced by the user terminal.
- the communication between the base station and the user terminal is replaced with communication between a plurality of user devices 20 (eg, may be referred to as D2D (Device-to-Device), V2X (Vehicle-to-Everything), etc.)
- a plurality of user devices 20 eg, may be referred to as D2D (Device-to-Device), V2X (Vehicle-to-Everything), etc.
- the user apparatus 20 may have the function of the network node 10 described above.
- the words such as “up” and “down” may be replaced with the words corresponding to the communication between terminals (for example, “side”).
- the uplink channel and the downlink channel may be replaced with the side channel.
- the user terminal in the present disclosure may be replaced by the base station.
- the base station may have the function of the above-mentioned user terminal.
- determining and “determining” as used in this disclosure may encompass a wide variety of actions.
- “Judgment” and “decision” are, for example, judgment, calculating, computing, processing, deriving, investigating, and looking up, search, inquiry. (Eg, searching in a table, a database, or another data structure), considering ascertaining as “judging” or “deciding”, and the like.
- “decision” and “decision” include receiving (eg, receiving information), transmitting (eg, transmitting information), input (input), output (output), access (accessing) (for example, accessing data in a memory) can be regarded as “judging” and “deciding”.
- judgment and “decision” are considered to be “judgment” and “decision” when things such as resolving, selecting, choosing, establishing, establishing, and comparing are done. May be included. That is, the “judgment” and “decision” may include considering some action as “judged” and “decided”. In addition, “determination (decision)” may be read as “assuming,” “expecting,” “considering,” and the like.
- connection means any direct or indirect connection or coupling between two or more elements, and It can include the presence of one or more intermediate elements between two elements that are “connected” or “coupled”.
- the connections or connections between the elements may be physical, logical, or a combination thereof.
- connection may be read as “access”.
- two elements are in the radio frequency domain, with at least one of one or more wires, cables and printed electrical connections, and as some non-limiting and non-exhaustive examples. , Can be considered to be “connected” or “coupled” to each other, such as with electromagnetic energy having wavelengths in the microwave and light (both visible and invisible) regions.
- the reference signal may be abbreviated as RS (Reference Signal), or may be referred to as a pilot (Pilot) depending on the applied standard.
- RS Reference Signal
- Pilot pilot
- the phrase “based on” does not mean “based only on,” unless expressly specified otherwise. In other words, the phrase “based on” means both "based only on” and “based at least on.”
- references to elements using the designations “first,” “second,” etc. as used in this disclosure does not generally limit the amount or order of those elements. These designations may be used in this disclosure as a convenient way to distinguish between two or more elements. Thus, references to the first and second elements do not mean that only two elements may be employed, or that the first element must precede the second element in any way.
- a radio frame may be composed of one or more frames in the time domain. Each frame or frames in the time domain may be referred to as a subframe. A subframe may also be composed of one or more slots in the time domain. The subframe may have a fixed time length (for example, 1 ms) that does not depend on numerology.
- Numerology may be a communication parameter applied to at least one of transmission and reception of a signal or channel.
- Numerology includes, for example, subcarrier spacing (SCS: SubCarrier Spacing), bandwidth, symbol length, cyclic prefix length, transmission time interval (TTI: Transmission Time Interval), number of symbols per TTI, radio frame configuration, and transceiver.
- SCS SubCarrier Spacing
- TTI Transmission Time Interval
- TTI Transmission Time Interval
- transceiver At least one of a specific filtering process performed in the frequency domain and a specific windowing process performed by the transceiver in the time domain may be shown.
- a slot may be composed of one or more symbols (OFDM (Orthogonal Frequency Division Multiplexing) symbol, SC-FDMA (Single Carrier Frequency Division Multiple Access) symbol, etc.) in the time domain.
- a slot may be a time unit based on numerology.
- a slot may include multiple minislots. Each minislot may be composed of one or more symbols in the time domain. The minislot may also be called a subslot. Minislots may be configured with a smaller number of symbols than slots.
- a PDSCH (or PUSCH) transmitted in a time unit larger than a minislot may be referred to as PDSCH (or PUSCH) mapping type A.
- the PDSCH (or PUSCH) transmitted using the minislot may be referred to as PDSCH (or PUSCH) mapping type B.
- Radio frame, subframe, slot, minislot, and symbol all represent the time unit for signal transmission. Radio frames, subframes, slots, minislots, and symbols may have different names corresponding to them.
- one subframe may be called a transmission time interval (TTI)
- TTI transmission time interval
- TTI transmission time interval
- TTI transmission time interval
- TTI transmission time interval
- TTI means, for example, a minimum time unit of scheduling in wireless communication.
- the base station performs scheduling to allocate radio resources (frequency bandwidth that can be used in each user device 20, transmission power, etc.) to each user device 20 in units of TTI.
- the definition of TTI is not limited to this.
- the TTI may be a transmission time unit such as a channel-encoded data packet (transport block), a code block, a codeword, or a processing unit such as scheduling or link adaptation.
- transport block channel-encoded data packet
- code block code block
- codeword codeword
- processing unit such as scheduling or link adaptation.
- one slot or one minislot is called a TTI
- one or more TTIs may be the minimum time unit for scheduling.
- the number of slots (minislot number) that constitutes the minimum time unit of the scheduling may be controlled.
- a TTI having a time length of 1 ms may be called a normal TTI (TTI in LTE Rel. 8-12), a normal TTI, a long TTI, a normal subframe, a normal subframe, a long subframe, a slot, or the like.
- a TTI shorter than the normal TTI may be called a shortened TTI, a short TTI, a partial TTI (partial or fractional TTI), a shortened subframe, a short subframe, a minislot, a subslot, a slot, and the like.
- a long TTI (eg, normal TTI, subframe, etc.) may be read as a TTI having a time length exceeding 1 ms, and a short TTI (eg, shortening TTI, etc.) is less than the TTI length of the long TTI and is 1 ms. It may be read as a TTI having the above TTI length.
- a resource block is a resource allocation unit in the time domain and the frequency domain, and may include one or a plurality of continuous subcarriers in the frequency domain.
- the number of subcarriers included in the RB may be the same regardless of the numerology, and may be 12, for example.
- the number of subcarriers included in the RB may be determined based on numerology.
- the time domain of the RB may include one or more symbols, and may be one slot, one minislot, one subframe, or one TTI in length.
- One TTI, one subframe, etc. may be configured by one or a plurality of resource blocks.
- One or more RBs are a physical resource block (PRB: Physical RB), subcarrier group (SCG: Sub-Carrier Group), resource element group (REG: Resource Element Group), PRB pair, RB pair, etc. May be called.
- PRB Physical resource block
- SCG Sub-Carrier Group
- REG Resource Element Group
- PRB pair RB pair, etc. May be called.
- the resource block may be composed of one or more resource elements (RE: Resource Element).
- RE Resource Element
- one RE may be a radio resource area of one subcarrier and one symbol.
- a bandwidth part (may be called a partial bandwidth) may represent a subset of consecutive common RBs (common resource blocks) for a certain numerology in a certain carrier.
- the common RB may be specified by the index of the RB based on the common reference point of the carrier.
- PRBs may be defined in a BWP and numbered within that BWP.
- BWP may include BWP for UL (UL BWP) and BWP for DL (DL BWP).
- BWP may include BWP for UL (UL BWP) and BWP for DL (DL BWP).
- One or more BWPs may be configured in one carrier for the UE.
- At least one of the configured BWPs may be active, and the UE does not have to expect to send and receive a given signal/channel outside the active BWP.
- “cell”, “carrier”, and the like in the present disclosure may be read as “BWP”.
- the structure of the radio frame, subframe, slot, minislot, symbol, etc. described above is merely an example.
- the number of subframes included in a radio frame, the number of slots per subframe or radio frame, the number of minislots included in a slot, the number of symbols and RBs included in a slot or minislot, and included in RBs The number of subcarriers, the number of symbols in the TTI, the symbol length, the cyclic prefix (CP: Cyclic Prefix) length, and the like can be variously changed.
- the term “A and B are different” may mean “A and B are different from each other”.
- the term may mean that “A and B are different from C”.
- the terms “remove”, “coupled” and the like may be construed as “different” as well.
- the notification of the predetermined information (for example, the notification of “being X”) is not limited to the explicit notification, and is performed implicitly (for example, the notification of the predetermined information is not performed). Good.
- AMF is an example of the first network node.
- UDM is an example of a second network node.
- network node 110 transmission unit 120 reception unit 130 setting unit 140 control unit 20 user device 210 transmission unit 220 reception unit 230 setting unit 240 control unit 1001 processor 1002 storage device 1003 auxiliary storage device 1004 communication device 1005 input device 1006 output device
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Databases & Information Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
図1に示されるように、ネットワークは、ユーザ装置20であるUE、複数のネットワークノード10から構成される。以下、機能ごとに1つのネットワークノード10が対応するものとするが、複数の機能を1つのネットワークノード10が実現してもよいし、複数のネットワークノード10が1つの機能を実現してもよい。また、以下に記載する「接続」は、論理的な接続であってもよいし、物理的な接続であってもよい。
次に、これまでに説明した処理及び動作を実行するネットワークノード10及びユーザ装置20の機能構成例を説明する。ネットワークノード10及びユーザ装置20は上述した実施例を実施する機能を含む。ただし、ネットワークノード10及びユーザ装置20はそれぞれ、実施例の中の一部の機能のみを備えることとしてもよい。
図4は、ネットワークノード10の機能構成の一例を示す図である。図4に示されるように、ネットワークノード10は、送信部110と、受信部120と、設定部130と、制御部140とを有する。図4に示される機能構成は一例に過ぎない。本発明の実施の形態に係る動作を実行できるのであれば、機能区分及び機能部の名称はどのようなものでもよい。また、システムアーキテクチャ上で複数の異なる機能を有するネットワークノード10は、機能ごとに分離された複数のネットワークノード10から構成されてもよい。
図5は、ユーザ装置20の機能構成の一例を示す図である。図5に示されるように、ユーザ装置20は、送信部210と、受信部220と、設定部230と、制御部240とを有する。図5に示される機能構成は一例に過ぎない。本発明の実施の形態に係る動作を実行できるのであれば、機能区分及び機能部の名称はどのようなものでもよい。
上記実施形態の説明に用いたブロック図(図4及び図5)は、機能単位のブロックを示している。これらの機能ブロック(構成部)は、ハードウェア及びソフトウェアの少なくとも一方の任意の組み合わせによって実現される。また、各機能ブロックの実現方法は特に限定されない。すなわち、各機能ブロックは、物理的又は論理的に結合した1つの装置を用いて実現されてもよいし、物理的又は論理的に分離した2つ以上の装置を直接的又は間接的に(例えば、有線、無線などを用いて)接続し、これら複数の装置を用いて実現されてもよい。機能ブロックは、上記1つの装置又は上記複数の装置にソフトウェアを組み合わせて実現されてもよい。
以上、説明したように、本発明の実施の形態によれば、VPLMN(Visited Public land mobile network)における第1のネットワークノードであって、HPLMN(Home Public land mobile network)における第2のネットワークノードからネットワーク選択に係る情報を受信する受信部と、前記ネットワーク選択に係る情報をユーザ装置に送信する送信部と、前記ユーザ装置に送信された前記ネットワーク選択に係る情報に対する応答を前記ユーザ装置から受信できなかった場合、前記ユーザ装置が前記ネットワーク選択に係る情報を受信できなかったことを示す応答を前記第2のネットワークノードに送信する制御部とを有するネットワークノードが提供される。
以上、本発明の実施の形態を説明してきたが、開示される発明はそのような実施形態に限定されず、当業者は様々な変形例、修正例、代替例、置換例等を理解するであろう。発明の理解を促すため具体的な数値例を用いて説明がなされたが、特に断りのない限り、それらの数値は単なる一例に過ぎず適切な如何なる値が使用されてもよい。上記の説明における項目の区分けは本発明に本質的ではなく、2以上の項目に記載された事項が必要に応じて組み合わせて使用されてよいし、ある項目に記載された事項が、別の項目に記載された事項に(矛盾しない限り)適用されてよい。機能ブロック図における機能部又は処理部の境界は必ずしも物理的な部品の境界に対応するとは限らない。複数の機能部の動作が物理的には1つの部品で行われてもよいし、あるいは1つの機能部の動作が物理的には複数の部品により行われてもよい。実施の形態で述べた処理手順については、矛盾の無い限り処理の順序を入れ替えてもよい。処理説明の便宜上、ネットワークノード10及びユーザ装置20は機能的なブロック図を用いて説明されたが、そのような装置はハードウェアで、ソフトウェアで又はそれらの組み合わせで実現されてもよい。本発明の実施の形態に従ってネットワークノード10が有するプロセッサにより動作するソフトウェア及び本発明の実施の形態に従ってユーザ装置20が有するプロセッサにより動作するソフトウェアはそれぞれ、ランダムアクセスメモリ(RAM)、フラッシュメモリ、読み取り専用メモリ(ROM)、EPROM、EEPROM、レジスタ、ハードディスク(HDD)、リムーバブルディスク、CD-ROM、データベース、サーバその他の適切な如何なる記憶媒体に保存されてもよい。
110 送信部
120 受信部
130 設定部
140 制御部
20 ユーザ装置
210 送信部
220 受信部
230 設定部
240 制御部
1001 プロセッサ
1002 記憶装置
1003 補助記憶装置
1004 通信装置
1005 入力装置
1006 出力装置
Claims (6)
- VPLMN(Visited Public land mobile network)における第1のネットワークノードであって、
HPLMN(Home Public land mobile network)における第2のネットワークノードからネットワーク選択に係る情報を受信する受信部と、
前記ネットワーク選択に係る情報をユーザ装置に送信する送信部と、
前記ユーザ装置に送信された前記ネットワーク選択に係る情報に対する応答を前記ユーザ装置から受信できなかった場合、前記ユーザ装置が前記ネットワーク選択に係る情報を受信できなかったことを示す応答を前記第2のネットワークノードに送信する制御部とを有するネットワークノード。 - 前記ネットワーク選択に係る情報は、SoR(Steering of Roaming)情報である請求項1記載のネットワークノード。
- 前記ユーザ装置が前記ネットワーク選択に係る情報を受信できないことを示す応答は、前記第2のネットワークノードから受信された前記ネットワーク選択に係る情報を含む請求項1記載のネットワークノード。
- 前記ユーザ装置が前記ネットワーク選択に係る情報を受信できないことを示す応答は、前記ユーザ装置に送信された前記ネットワーク選択に係る情報に対する応答を前記ユーザ装置から受信できない理由を含む請求項1記載のネットワークノード。
- HPLMN(Home Public land mobile network)における第2のネットワークノードであって、
VPLMN(Visited Public land mobile network)における第1のネットワークノードにネットワーク選択に係る情報を送信する送信部と、
前記第1のネットワークノードがユーザ装置に送信した前記ネットワーク選択に係る情報に対する応答を、前記ユーザ装置から前記第1のネットワークノードが受信できなかった場合、前記ユーザ装置が前記ネットワーク選択に係る情報を受信できなかったことを示す応答を前記第1のネットワークノードから受信する受信部と、
前記ユーザ装置が前記ネットワーク選択に係る情報を受信できないことを示す応答に基づいて、前記ユーザ装置を特定する制御部とを有するネットワークノード。 - VPLMN(Visited Public land mobile network)における第1のネットワークノードが実行する通知方法であって、
HPLMN(Home Public land mobile network)における第2のネットワークノードからネットワーク選択に係る情報を受信する受信手順と、
前記ネットワーク選択に係る情報をユーザ装置に送信する送信手順と、
前記ユーザ装置に送信された前記ネットワーク選択に係る情報に対する応答を前記ユーザ装置から受信できなかった場合、前記ユーザ装置が前記ネットワーク選択に係る情報を受信できなかったことを示す応答を前記第2のネットワークノードに送信する制御手順とを実行する通知方法。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US17/420,856 US11974220B2 (en) | 2019-01-09 | 2020-01-08 | Network node and reporting method |
| CN202080007959.1A CN113287333B (zh) | 2019-01-09 | 2020-01-08 | 网络节点和通知方法 |
| JP2020565178A JP7245266B2 (ja) | 2019-01-09 | 2020-01-08 | ネットワークノード、ネットワークシステム及び通知方法 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP19315002.6 | 2019-01-09 | ||
| EP19315002.6A EP3681187B1 (en) | 2019-01-09 | 2019-01-09 | Network nodes and reporting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2020145299A1 true WO2020145299A1 (ja) | 2020-07-16 |
Family
ID=65628723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2020/000299 Ceased WO2020145299A1 (ja) | 2019-01-09 | 2020-01-08 | ネットワークノード及び通知方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US11974220B2 (ja) |
| EP (1) | EP3681187B1 (ja) |
| JP (1) | JP7245266B2 (ja) |
| CN (1) | CN113287333B (ja) |
| WO (1) | WO2020145299A1 (ja) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022033428A1 (zh) * | 2020-08-10 | 2022-02-17 | 维沃移动通信有限公司 | 网络的转移方法、终端及网络侧设备 |
| WO2022174704A1 (zh) * | 2021-02-18 | 2022-08-25 | 大唐移动通信设备有限公司 | 漫游引导sor信息处理方法、装置及处理器可读存储介质 |
| WO2023275998A1 (ja) * | 2021-06-29 | 2023-01-05 | 株式会社Nttドコモ | 端末、ネットワークノード及び通信方法 |
| JP2023537596A (ja) * | 2020-08-12 | 2023-09-04 | アップル インコーポレイテッド | モビリティ登録中のローミング誘導のチェック |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113455029B (zh) * | 2019-02-15 | 2024-07-30 | 三星电子株式会社 | 无线通信网络中处理ul nas传输消息失败的方法和ue |
| EP4642101A3 (en) | 2022-03-23 | 2026-01-14 | Ofinno, LLC | Network access management |
| CN117528676A (zh) * | 2022-07-29 | 2024-02-06 | 维沃移动通信有限公司 | 托管网络的选网信息的获取方法、终端及网络侧设备 |
| CN119866644A (zh) * | 2022-07-31 | 2025-04-22 | 谷歌有限责任公司 | 通信系统中的漫游引导技术 |
| WO2024185489A1 (en) * | 2023-03-09 | 2024-09-12 | Nec Corporation | User equipment, first access and mobility management function, unified data management, and method thereof |
| US20240340772A1 (en) * | 2023-04-04 | 2024-10-10 | Nokia Technologies Oy | Steering of roaming enhancement during registration reject |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011511491A (ja) * | 2008-02-08 | 2011-04-07 | 日本電気株式会社 | 無線通信網におけるユーザ装置のローミングステアリングの制御方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9031557B2 (en) * | 2006-04-21 | 2015-05-12 | Itxc Ip Holdings S.A.R.L. | Method and apparatus for steering of roaming |
| WO2008154942A1 (en) | 2007-06-20 | 2008-12-24 | Telefonaktiebolaget Lm Ericsson (Publ) | Method, telecommunication system and network entity for enabling service provisioning to an inbound roaming user in a visited public land mobile network (vplmn) |
| US9008653B2 (en) * | 2008-08-15 | 2015-04-14 | Tekelec, Inc. | Systems, methods, and computer readable media for providing dynamic steering of roaming in a telecommunications network |
| US8364143B2 (en) * | 2010-12-21 | 2013-01-29 | Tektronix, Inc. | Detection of anti-steering of roaming activity on visited networks |
| WO2014036144A2 (en) * | 2012-08-28 | 2014-03-06 | Roamware, Inc. | Steering of roaming in lte and legacy network environment |
| US9191803B2 (en) * | 2013-09-04 | 2015-11-17 | Cellco Partnership | Connection state-based long term evolution steering of roaming |
| WO2015101806A1 (en) * | 2013-12-31 | 2015-07-09 | Turkcell Teknoloji Arastirma Ve Gelistirme A.S. | A system for increasing steering of roaming efficiency |
| CN115515122B (zh) * | 2017-07-18 | 2025-03-07 | 三星电子株式会社 | 无线通信网络中检测漫游活动的反引导的方法和系统 |
-
2019
- 2019-01-09 EP EP19315002.6A patent/EP3681187B1/en active Active
-
2020
- 2020-01-08 JP JP2020565178A patent/JP7245266B2/ja active Active
- 2020-01-08 US US17/420,856 patent/US11974220B2/en active Active
- 2020-01-08 WO PCT/JP2020/000299 patent/WO2020145299A1/ja not_active Ceased
- 2020-01-08 CN CN202080007959.1A patent/CN113287333B/zh active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011511491A (ja) * | 2008-02-08 | 2011-04-07 | 日本電気株式会社 | 無線通信網におけるユーザ装置のローミングステアリングの制御方法 |
Non-Patent Citations (1)
| Title |
|---|
| "Technical Specification Group Services and System Aspects; Security architecture and procedures for 5G system'' (Release 15", 3GPP TS 33.501, vol. V15 .3.1, 26 December 2018 (2018-12-26), pages 91 - 181, XP051591577, Retrieved from the Internet <URL:https://www.3gpp.org/ftp/Specs/archive/33_series/33.501/33501-f31.zip> [retrieved on 20200130] * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022033428A1 (zh) * | 2020-08-10 | 2022-02-17 | 维沃移动通信有限公司 | 网络的转移方法、终端及网络侧设备 |
| JP2023537596A (ja) * | 2020-08-12 | 2023-09-04 | アップル インコーポレイテッド | モビリティ登録中のローミング誘導のチェック |
| JP7600369B2 (ja) | 2020-08-12 | 2024-12-16 | アップル インコーポレイテッド | モビリティ登録中のローミング誘導のチェック |
| WO2022174704A1 (zh) * | 2021-02-18 | 2022-08-25 | 大唐移动通信设备有限公司 | 漫游引导sor信息处理方法、装置及处理器可读存储介质 |
| WO2023275998A1 (ja) * | 2021-06-29 | 2023-01-05 | 株式会社Nttドコモ | 端末、ネットワークノード及び通信方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP7245266B2 (ja) | 2023-03-23 |
| CN113287333A (zh) | 2021-08-20 |
| US20220095213A1 (en) | 2022-03-24 |
| US11974220B2 (en) | 2024-04-30 |
| CN113287333B (zh) | 2024-01-23 |
| EP3681187A1 (en) | 2020-07-15 |
| EP3681187B1 (en) | 2022-07-20 |
| JPWO2020145299A1 (ja) | 2021-11-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP7245266B2 (ja) | ネットワークノード、ネットワークシステム及び通知方法 | |
| US12075251B2 (en) | Network node | |
| EP3681204B1 (en) | User equipment, network node, and communication system | |
| EP3911022B1 (en) | Network node, and user device | |
| JP7169827B2 (ja) | 端末及び通信方法 | |
| JP7204403B2 (ja) | ネットワークノード | |
| WO2023021583A1 (ja) | ネットワークノード及び通信方法 | |
| CN112690039B (zh) | 网络节点 | |
| WO2020217532A1 (ja) | セッション管理装置、ユーザプレーン装置、及び通信方法 | |
| WO2022113370A1 (ja) | ネットワークノード及び通信方法 | |
| WO2020255686A1 (ja) | 基地局装置、及びユーザプレーン装置 | |
| JP7671354B2 (ja) | ネットワークノード及び通信方法 | |
| JP7671353B2 (ja) | ネットワークノード及び通信方法 | |
| WO2022239242A1 (ja) | 基地局、ネットワークノード及び無線通信方法 | |
| WO2020144856A1 (ja) | 通信管理装置、及びデータ管理装置 | |
| WO2022029957A1 (ja) | 端末、ネットワークノード及び通信方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 20738900 Country of ref document: EP Kind code of ref document: A1 |
|
| ENP | Entry into the national phase |
Ref document number: 2020565178 Country of ref document: JP Kind code of ref document: A |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 20738900 Country of ref document: EP Kind code of ref document: A1 |
|
| WWG | Wipo information: grant in national office |
Ref document number: 202117033251 Country of ref document: IN |