WO2018235708A1 - Dispositif d'utilisateur et nœud de gestion de mobilité - Google Patents

Dispositif d'utilisateur et nœud de gestion de mobilité Download PDF

Info

Publication number
WO2018235708A1
WO2018235708A1 PCT/JP2018/022673 JP2018022673W WO2018235708A1 WO 2018235708 A1 WO2018235708 A1 WO 2018235708A1 JP 2018022673 W JP2018022673 W JP 2018022673W WO 2018235708 A1 WO2018235708 A1 WO 2018235708A1
Authority
WO
WIPO (PCT)
Prior art keywords
ims
service
mobility management
communication network
network
Prior art date
Application number
PCT/JP2018/022673
Other languages
English (en)
Japanese (ja)
Inventor
石川　寛
元洋 阿部
晋也 竹田
Original Assignee
株式会社Ｎｔｔドコモ
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社Ｎｔｔドコモ filed Critical 株式会社Ｎｔｔドコモ
Priority to JP2019525505A priority Critical patent/JP7161993B2/ja
Publication of WO2018235708A1 publication Critical patent/WO2018235708A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • 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
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
    • H04W8/24—Transfer of terminal data

Definitions

  • the present invention relates to a user equipment and a mobility management node in a communication system.
  • 5G In 3GPP (3rd Generation Partnership Project), 5G or NR (New Radio) is required to realize further increase in system capacity, further increase in data transmission speed, and further reduction in delay in a wireless section. Investigation of a called wireless communication system (hereinafter, the wireless communication system is referred to as "5G”) is in progress.
  • 5G the wireless communication system
  • Non-Patent Document 1 In the conventional 3G or LTE (Long Term Evolution) network, in position registration when establishing connection between the user apparatus and the network, the user apparatus performs MME via E-UTRAN (Evolved Universal Terrestrial Radio Access Network). Exchange of (Mobile Management Entity) and Home Subscriber Server (HSS) control signals with NAS (Non-Access Stratum) control signals (for example, Non-Patent Document 1).
  • HSS Home Subscriber Server
  • NAS Non-Access Stratum
  • 5G a new system architecture is being considered, and AMF (Access and Mobility Management function) and UDM (Unified Data Management) and NAS control signals are used in initial access when establishing a connection between the user device and the network.
  • Exchange for example, Non-Patent Document 2.
  • the user apparatus uses IMS (IP Multimedia Subsystem) service provided by a carrier via the UPF (User Plane Function) in 5G and the PDN (Public Data Network) Gateway in 3G or LTE. Do.
  • IMS IP Multimedia Subsystem
  • UPF User Plane Function
  • PDN Public Data Network
  • IMS service In 3G PS call and LTE, IMS service is used to provide voice service over packet network.
  • the IMS service provides various services such as video, Short Message Service (SMS), Multimedia Messaging Service (MMS), Instant Messaging (IM), real-time chat, Rich Communication Suite (RCS), etc. besides voice service.
  • SMS Short Message Service
  • MMS Multimedia Messaging Service
  • IM Instant Messaging
  • RCS Rich Communication Suite
  • QoS control is required due to the difference in their characteristics, authentication function, charging function, high security etc.
  • IMS can support them. It is designed. Since the availability of the support is related to the traffic volume in the network and largely depends on the difference in the selection of the service menu of the operator, the support of the various functions of IMS is exclusively an operator matter.
  • the user apparatus since the user apparatus notifies availability of only the voice service among the IMS services at the time of location registration, the availability of the IMS service in the user apparatus and which service other than the voice service of the IMS service is available There may be a case where the states of the user device and the network can not be matched. The case is considered to occur in NR as well.
  • the present invention has been made in view of the above-described points, and aims to prevent the generation of unnecessary service requests by limiting the establishment of the connection between the user apparatus and the IMS network to when it is necessary.
  • a user apparatus is connected to a mobility management node in a communication network, and a generation unit that generates a message used for location registration in the communication network, and transmission that transmits the message to the mobility management node Information indicating whether or not the user apparatus can use a service provided by the IP multimedia subsystem provided by the communication network in the message, and whether the user apparatus can use the service according to the type of the service Enter information that indicates whether or not.
  • a technology which limits the establishment of the connection between the user apparatus and the IMS network when necessary and prevents the generation of unnecessary service requests.
  • the existing technology is used as appropriate.
  • the existing technology is, for example, the existing LTE, but is not limited to the existing LTE.
  • LTE used herein has a broad meaning including LTE-Advanced and LTE-Advanced or later (for example, 5G) unless otherwise specified.
  • the AMF or MME is referred to as a mobility management node, and the UE is referred to as a user apparatus.
  • FIG. 1 is a diagram illustrating an example of a 5G network architecture. Each element shown in FIG. 1 indicates an NF (Network Function).
  • FIG. 1A shows a network architecture in a non-roaming environment.
  • a UE User Entity
  • AMF Access Management node 100
  • the AMF 100 is also connected to the UDM.
  • the UE is connected to a Data Network (DN) including an IMS service via a Radio Access Network (RAN) or an Access Network (AN) and a User Plane Function (UPF).
  • DN Data Network
  • the DN includes IMS.
  • AUSF Authentication Server Function
  • SMF Session Management Function
  • PCF Policy Control Function
  • AF Application Function
  • the network to which the UE connects is the Serving PLMN (Public Land Mobile Network).
  • PLMN Public Land Mobile Network
  • FIG. 1B illustrates a network architecture where UEs and DNs are included in a Visited Public Land Mobile Network (VPLMN) in a roaming environment.
  • VPLMN Visited Public Land Mobile Network
  • HPLMN Home Public Land Mobile Network
  • the network to which the UE connects ie, the VPLMN, is the Serving PLMN.
  • FIG. 1C shows the network architecture when the UE is in VPLMN and the DN is in HPLMN in a roaming environment.
  • VPLMN includes AMF, V-PCF, V-SMS, RAN or AN, and UPF.
  • HPLMN includes UDM, AUSF and H-PCF, as well as H-SMF (SMF in the HPLMN), AF, UPF and DN.
  • the AMF obtains a subscriber profile from the UDM existing in the same PLMN via the NAS control signal, but in the roaming environment, the AMF existing in the VPLMN is from the UDM existing in the HPLMN Obtain a subscriber profile via NAS control signals.
  • FIG. 2 is a diagram illustrating an example of a 3G or LTE network architecture.
  • FIG. 2A shows a network architecture in a non-roaming environment.
  • the UE or user apparatus 200 is connected to a mobile management entity (MME) or mobility management node 100.
  • MME corresponds to AMF in 5G.
  • HSS Home Subscriber Server
  • HSS corresponds to UDM in 5G.
  • the UE is an Operator's IP (Internet Protocol) service that includes an IMS service, that is, an IP service provided by a carrier, that is, E-UTRAN (Evolved Universal Terrestrial Radio Access Network), Serving Gateway, and PDN (Packet). Connected via Data Network) Gateway.
  • IMS Internet Protocol
  • E-UTRAN Evolved Universal Terrestrial Radio Access Network
  • Serving Gateway Serving Gateway
  • PDN Packet
  • the IP services include IMS.
  • IMS Internet multimedia subsystem
  • SGSN Serving GPRS Support Node
  • GERAN GSM (registered trademark) EDGE Radio Access Network
  • PCRF Policy and Charging Rules Function
  • the Serving Gateway supports 5G SMF
  • the PDN Gateway supports 5G UPF.
  • FIG. 2B shows a network architecture where the UE is a VPLMN and the Operator's IP Services are included in an HPLMN in a roaming environment.
  • VPLMN includes MME, SGSN, E-UTRAN, UTRAN, GERAN and Serving Gateway.
  • HPLMN includes HSS, PDN Gateway, PCRF and Operator's IP Services.
  • FIG. 2C shows a network architecture when UE and Operator's IP Services are included in a VPLMN in a roaming environment.
  • VPLMN includes MME, SGSN, E-UTRAN, UTRAN, GERAN, Serving Gateway, PDN Gateway and V-PCRF (PCRF in the VPLMN).
  • HPLMN includes HSS and H-PCRF (PCRF in the HPLMN).
  • the MME obtains a subscriber profile from the HSS present in the same PLMN via NAS control signal, but in the roaming environment, The MME residing in the VPLMN obtains a subscriber profile from the HSS residing in the HPLMN via NAS control signals.
  • FIG. 3 is a diagram illustrating an example (1) of a sequence using an IMS service.
  • the sequence is a sequence that utilizes location registration of the UE 200 and the IMS service in the network architecture in 3G or LTE.
  • the UE 200, the MME 100, and the SGW (Serving Gateway) are included in the VPLMN, and the HSS, the PGW (PDN Gateway) and the IMS are included in the HPLMN.
  • step S11 the UE 200 transmits, to the MME 100, an NAS message relating to location registration. Subsequently, the MME 100 transmits an NAS message related to location registration and authentication to the HSS (S12). Subsequently, the HSS transmits, to the MME 100, an NAS message related to provision of an approval / subscriber profile (S13). Then, MME100 transmits the NAS message which concerns on a position response and permission to UE200 (S14). In steps S11 to S14, the location registration of the UE 200 is completed.
  • step S14 there is a mechanism for notifying the availability of the voice service in IMS service (hereinafter referred to as "IMS Voice").
  • IMS is used to provide voice service on a packet network.
  • IMS can provide video, SMS, MMS, IM, real-time chat, RCS (Rich Communication Suite), and the like.
  • QoS quality of service
  • the MME 100 notifies the UE 200 whether or not IMS Voice of the IMS network can be provided at the time of location registration of the UE 200 (including periodic location registration and change of location registration) according to the notification mechanism.
  • step S15 the UE 200 makes a packet session connection request and response to the IMS network with the PGW via the MME 100 and the SGW. Subsequently, the UE 200 performs registration of the IMS service by the IMS network and use of the service (S16).
  • step S15 and S16 the connection to the IMS is made independently of the IMS voice capability of the IMS network at the judgment of the UE 200. Also, in step S16, when the UE 200 is notified in step S14 that there is IMS voice capability of the IMS network, the UE 200 performs voice transmission and call admission on the IMS. Note that other services of IMS are performed independently of notification of IMS Voice capabilities.
  • FIG. 4 is a diagram illustrating an example (2) of a sequence using an IMS service. Similar to FIG. 3, FIG. 4 shows a sequence of utilizing location registration of the UE 200 and IMS service in a network architecture in 3G or LTE. Steps S21 to S26 are the same as steps S11 to S16.
  • the UE 200 can notify the MME 100 of the presence or absence of the IMS Voice on the UE 200 side, that is, the availability of the IMS Voice and the confirmation of the arrival trigger, but the presence or absence of other service capabilities of the IMS of the UE 200, a policy, etc.
  • the availability of IMS according to can not be notified.
  • step S24 although the availability of IMS Voice can be notified, it can not be notified whether the IMS itself or other IMS service capability other than Voice can be notified.
  • UE 200 and MME 100 run short of notification for mutual cooperation between UE 200 and IMS IMS availability and which IMS services other than IMS Voice are available. Therefore, the states can not be matched between the respective NFs.
  • FIG. 5 is a diagram illustrating an example (1) of a sequence of using an IMS service at the time of roaming. Similar to FIG. 3, FIG. 5 shows a sequence of using location registration of the UE 200 and the IMS service in the network architecture in 3G or LTE. Moreover, since FIG. 5 is an operation
  • step S34 the MME 100 notifies the UE 200 that IMS Voice of the IMS network is started and available.
  • IMS is in a state where IMS Voice is not started, and IMS Voice transmission request is rejected. Therefore, in step S36, the UE 200 transmits IMS voice because it is notified that IMS Voice is available. However, in IMS, IMS Voice is not started, and IMS rejects the IMS Voice call request from UE 200.
  • the VPLMN apparatus and the HPLMN apparatus may not be able to synchronize the IMS service utilization start of the IMS network.
  • the UE 200 is notified that IMS Voice of the IMS network is available, the IMS Voice transmission request is rejected and a call loss occurs.
  • FIG. 6 is a diagram illustrating an example (2) of a sequence of using an IMS service at the time of roaming. Similar to FIG. 3, FIG. 6 shows a sequence of utilizing location registration of the UE 200 and IMS service in a network architecture in 3G or LTE. Moreover, since FIG. 6 is the operation
  • step S44 the MME 100 notifies the UE 200 that IMS Voice of the IMS network is not yet started and can not be used.
  • IMS has started IMS Voice and is available. Therefore, in step S36, the IMS makes an IMS Voice call request to the UE 200. However, since the UE 200 is notified that IMS Voice of the IMS network is unavailable, the UE 200 rejects the IMS Voice call request.
  • the VPLMN apparatus and the HPLMN apparatus may not be able to synchronize the IMS service utilization start of the IMS network.
  • the UE 200 since the UE 200 has been notified that IMS Voice of the IMS network is unavailable, it rejects the IMS Voice incoming request, resulting in call loss.
  • FIG. 7 is a diagram illustrating an example (3) of a sequence of using an IMS service at the time of roaming. Similar to FIG. 3, FIG. 6 shows a sequence of utilizing location registration of the UE 200 and IMS service in a network architecture in 3G or LTE. Moreover, since FIG. 7 is an operation
  • step S56 the MME 100 present in the VPLMN can not notify the UE 200 of rejection etc. other than IMS Voice and can not notify the availability of other IMS services, so that the VPLMN can use the unfair network without an agreement. There is a case.
  • the IMS of the UE 200 and the HPLMN is limited to the network utilization means set by the VPLMN. There is a problem that communication can be started without.
  • SMS is transmitted / received using IMS only by agreement between UE 200 and HPLMN's IMS.
  • IMS IMS only by agreement between UE 200 and HPLMN's IMS.
  • the VPLMN prevents the transmission and reception based on the protocol, and it will not be possible to settle the usage charge.
  • FIG. 8 is a diagram illustrating an example of a sequence related to registration or use of an IMS service. Similar to FIG. 3, FIG. 8 shows a sequence of using location registration of the UE 200 and IMS service in a network architecture in 3G or LTE. Steps S61 to S65 are the same as steps S11 to S15.
  • step S66 the UE 200 requests the IMS to register an IMS service.
  • the IMS responds to the registration request independently of the IMS capabilities on the UE 200 side. Therefore, the registration request of the IMS service that the UE 200 does not support is also permitted, and the resource of the IMS service that the UE 200 does not support is secured, so unnecessary core resources or radio resources may be consumed.
  • step S67 the UE 200 requests the IMS to use the IMS service.
  • some services of IMS are not available, even if registration of other IMS services is completed, only some services can not be used.
  • the UE 200 finds that the part of services can not be used when the request is rejected after requesting the part of services, and radio resources may be consumed.
  • the radio resource may be consumed by the UE 200 repeatedly executing steps S66 and S67.
  • FIG. 9 is a diagram illustrating an example of a sequence using IMS Video. Similar to FIG. 3, FIG. 9 shows a sequence of utilizing location registration of the UE 200 and IMS service in a network architecture in 3G or LTE. Steps S71 to S76 are the same as steps S11 to S16.
  • step S74 the MME 100 notifies the UE 200 that the IMS voice of the IMS network is unavailable.
  • step S76 since the availability of the IMS network of the video service (hereinafter referred to as "IMS Video") in the IMS service not including voice is unknown, the use of the IMS Video of the UE 200 is hindered.
  • IMS Video the IMS network of the video service
  • the UE 200 can not determine which IMS service is available.
  • FIG. 10 is a diagram showing an example of a position registration sequence in the embodiment of the present invention.
  • each NF corresponds to a 5G device as well as 3G or LTE.
  • MME corresponds to AMF
  • SGW corresponds to SMF
  • HSS corresponds to UDM
  • PGW corresponds to UPF.
  • step S101 the UE 200 transmits, to the MME / AMF 100, an NAS message related to location registration. Subsequently, the MME / AMF 100 transmits an NAS message related to location registration and authentication to the HSS / UDM (S102). Subsequently, the HSS / UDM transmits, to the MME / AMF 100, an NAS message related to provision of an approval / subscriber profile (S103). Subsequently, the MME / AMF 100 transmits, to the UE 200, a NAS message related to the position response and the permission (S104). In steps S101 to S104, location registration of the UE 200 is completed.
  • step S101 the UE 200 notifies the MME / AMF 100 of the presence / absence of the IMS capability on the UE 200 side and a list of available IMS services including IMS Voice via a NAS message related to location registration. Also, in step S104, the MME / AMF 100 notifies the UE 200 of the presence / absence of the IMS capability of the IMS network and the list of available IMS services including IMS Voice via the NAS message related to position response and permission.
  • FIG. 11 is a diagram showing an example of IMS service capability notification in the embodiment of the present invention.
  • IMS supported indication which is the capability notification of the conventional IMS service
  • any of "Supported / Not Supported” for "IMS voice over PS Session Supported Indication” which is a notification related to IMS Voice. Set whether or not to notify that it is available or unavailable.
  • the IMS itself can be used by setting "IMS supported indication" to either "Supported / Not Supported”. To notify. Also, by setting one of “Supported / Not Supported” for “IMS voice over PS Session Supported Indication” which is a notification related to IMS Voice, it is notified that it is available or not available. In addition, by setting one of “Supported / Not Supported” to “IMS Video over PS Session Supported Indication” which is a notification related to IMS Video, it notifies that it is available or not available.
  • the “IMS supported indication” in the embodiment of the present invention may be notified from the UE 200 to the MME / AMF, ie, the mobility management node 100, or may be notified from the MME / AMF, ie, the mobility management node 100, to the UE 200. Good.
  • step S101 the notification of “IMS supported indication” shown in FIG. 11 is performed based on the IMS capabilities that the UE 200 has. .
  • IMS supported indication indicating availability of IMS itself is “Supported” and “Supported” for “IMS voice over PS Session Supported Indication”, and “Supported” for “IMS Video over PS Session Supported Indication”, “Supported” for “SMS over IP Supported Indication”, and “Not Su” for not using “RCS Services Supported Indication” ported ", also set the” Not Supported “because it does not use for” Other IMS Services Supported Indication ".
  • the UE 200 may set up a list of IMS services according to the RAT (Radio Access Tecnology) to be connected.
  • the RAT Radio Access Tecnology
  • the UE 200 may be configured to use an IMS service that requires low data rates or large delays.
  • the UE 200 may be configured to use an IMS service that can tolerate high or low data rates required. That is, the user apparatus 200 may set up a list of IMS services according to characteristics such as data transfer rate and delay of the RAT.
  • step S104 the IMS capability of the IMS network and the list of available IMS services including IMS Voice, ie, the notification of “IMS supported indication” shown in FIG.
  • IMS Voice the notification of “IMS supported indication” shown in FIG.
  • IMS supported indicating availability of IMS itself Indication may be "Not Supported” and all of the lists may be set to "Not Supported”.
  • step S105 the UE 200 communicates with the PGW / UPF via the MME / AMF 100 and the SGW / SMF based on the contract status of the IMS acquired in step S104, the IMS service list of the IMS network, and the IMS capability of the UE 200. It performs packet session connection request and response to the IMS network between them.
  • step S105 the user device 200 determines whether to execute a packet session connection request to the IMS network based on the list of IMS services of the IMS network acquired in step S104. That is, the packet session connection request for the IMS service not provided by the IMS network is not executed by the user apparatus 200, and the packet session connection request for the IMS service provided by the IMS network is executed by the user apparatus 200. Thus, the user device 200 can prevent the occurrence of a packet session connection request for an invalid IMS service.
  • step S106 the UE 200 registers and uses the IMS service by the IMS network.
  • the MME / AMF 100 may notify the IMS network of the IMS capability of the UE 200 via the SGW / SMF and the PGW / UPF.
  • the MME / AMF that is, the mobility management node acquires availability of IMS service from the user equipment at the time of location registration in the wireless communication system having the mobility management node and the user equipment, By notifying the user apparatus of availability of various services provided by the service, it is possible to prevent the status mismatch between the user apparatus and the IMS service. That is, the mobility management node makes the user apparatus understand the IMS services available in the IMS network, limits the establishment of the connection between the user apparatus and the IMS network to the case where it is necessary, and prevents the generation of unnecessary service requests. be able to.
  • Each of the mobility management node 100 and the user device 200 includes at least a function for implementing the embodiment. However, each of the mobility management node 100 and the user device 200 may have some functions in the embodiment.
  • FIG. 12 is a diagram showing an example of a functional configuration of the mobility management node 100.
  • the mobility management node 100 includes a transmission unit 110, a reception unit 120, a setting information management unit 130, and an IMS service control unit 140.
  • the functional configuration shown in FIG. 12 is an example. As long as the operation according to the present embodiment can be performed, the names of the function divisions and the function parts may be arbitrary.
  • the transmitting unit 110 has a function of generating an NAS signal to be transmitted to the user apparatus 200 and transmitting the signal.
  • the receiving unit 120 has a function of receiving an NAS signal transmitted from the user device 200 and acquiring information from the received signal. Also, the transmitting unit 110 has a function of transmitting an NAS signal to, for example, the HSS / UDM, the SGW / SMF, and the like.
  • the setting information management unit 130 stores setting information set in advance and various setting information to be transmitted to the user device 200.
  • the content of the setting information is, for example, information on location registration, information on IMS service capability of the IMS network, a policy on IMS service of the communication carrier, and the like.
  • the IMS service control unit 140 has a function of controlling notification information on the IMS service described in the basic example and the embodiment.
  • the IMS service control unit 140 acquires a list of available IMS services on the UE 200 side from the UE 200 via the receiving unit 120, and notifies the UE 200 of the list of available IMS services on the IMS network via the transmitting unit 110. Do.
  • FIG. 13 is a diagram showing an example of a functional configuration of the user apparatus 200.
  • the user device 200 includes a transmission unit 210, a reception unit 220, a setting information management unit 230, and an initial access control unit 240.
  • the functional configuration shown in FIG. 13 is an example. As long as the operation according to the present embodiment can be performed, the names of the function divisions and the function parts may be arbitrary.
  • the transmission unit 210 creates an NAS signal to be transmitted to the mobility management node 100, and transmits the signal.
  • the receiving unit 220 has a function of receiving various NAS signals and acquiring information from the received signals. Also, the receiving unit 220 has a function of receiving an NAS signal transmitted from the mobility management node 100.
  • the setting information management unit 230 stores various setting information acquired from the mobility management node 100 by the receiving unit 220.
  • the setting information management unit 230 also stores setting information set in advance.
  • the content of the setting information is, for example, information on location registration, information on IMS service capability on the UE 200 side, and the like.
  • the initial access control unit 240 performs control related to the initial access including the notification related to the location registration and the IMS service in the user apparatus 200 described in the basic example and the embodiment.
  • the functional unit related to signal transmission in the initial access control unit 240 may be included in the transmission unit 210, and the functional unit related to signal reception in the initial access control unit 240 may be included in the reception unit 220.
  • each functional block may be realized by one device physically and / or logically connected to a plurality of elements, or directly and two or more physically and / or logically separated devices. And / or indirectly (for example, wired and / or wirelessly) connected, and may be realized by the plurality of devices.
  • both of the mobility management node 100 and the user device 200 in the embodiment of the present invention may function as a computer that performs the process according to the present embodiment.
  • FIG. 14 is a diagram showing an example of a hardware configuration of a communication apparatus which is the mobility management node 100 or the user apparatus 200 according to an embodiment of the present invention.
  • the above-described mobility management node 100 and user device 200 physically constitute a computer device including processor 1001, storage device 1002, auxiliary storage device 1003, communication device 1004, input device 1005, output device 1006, bus 1007, and the like. It may be configured.
  • the term “device” can be read as a circuit, a device, a unit or the like.
  • the hardware configurations of the mobility management node 100 and the user device 200 may be configured to include one or more devices indicated by 1001 to 1006 as shown in FIG. 14 or include some devices. It may be configured without.
  • Each function in the mobility management node 100 and the user device 200 causes the processor 1001 to perform an operation by reading predetermined software (program) on hardware such as the processor 1001 and the storage device 1002, and the communication by the communication device 1004, This is realized by controlling reading and / or writing of data in the storage device 1002 and the auxiliary storage device 1003.
  • the processor 1001 operates, for example, an operating system to control the entire computer.
  • the processor 1001 may be configured by a central processing unit (CPU: Central Processing Unit) including an interface with a peripheral device, a control device, an arithmetic device, a register, and the like.
  • CPU Central Processing Unit
  • the processor 1001 reads a program (program code), a software module or data from the auxiliary storage device 1003 and / or the communication device 1004 to the storage device 1002, and executes various processing according to these.
  • a program a program that causes a computer to execute at least a part of the operations described in the above embodiments is used.
  • the transmission unit 110, the reception unit 120, the setting information management unit 130, and the IMS service control unit 140 of the mobility management node 100 illustrated in FIG. 12 are realized by a control program stored in the storage device 1002 and operated by the processor 1001.
  • control unit 210 stores the transmission unit 210, the reception unit 220, the setting information management unit 230, and the initial access control unit 240 of the user device 200 illustrated in FIG. It may be realized by The various processes described above have been described to be executed by one processor 1001, but 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 a telecommunication line.
  • the storage device 1002 is a computer readable recording medium, and is, for example, at least one of a ROM (Read Only Memory), an EPROM (Erasable Programmable ROM), an EEPROM (Electrically Erasable Programmable ROM), and a RAM (Random Access Memory). 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), a software module, and the like that can be executed to perform the process according to the embodiment of the present invention.
  • the auxiliary storage device 1003 is a computer-readable recording medium, and for example, an optical disk such as a CD-ROM (Compact Disc ROM), a hard disk drive, a flexible disk, a magneto-optical disk (for example, a compact disk, a digital versatile disk, a Blu-ray disc) -Ray (R) disk), smart card, flash memory (for example, card, stick, key drive), floppy (R) disk, magnetic strip and the like.
  • the above-described storage medium may be, for example, a database including the storage device 1002 and / or the auxiliary storage device 1003, a server or other appropriate media.
  • the communication device 1004 is hardware (transmission / reception device) for performing communication between computers via a wired and / or wireless network, and is also called, for example, a network device, a network controller, a network card, a communication module, or the like.
  • the transmission unit 110 and the reception unit 120 of the mobility management node 100 may be realized by the communication device 1004.
  • the transmission unit 210 and the reception unit 220 of the user apparatus 200 may be realized by the communication apparatus 1004.
  • the input device 1005 is an input device (for example, a keyboard, a mouse, a microphone, a switch, a button, a sensor, and the like) that receives external input.
  • the output device 1006 is an output device (for example, a display, a speaker, an LED lamp, etc.) that performs output 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 a single bus or may be configured by different buses among the devices.
  • the mobility management node 100 and the user device 200 respectively include a microprocessor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a programmable logic device (PLD), a field programmable gate array (FPGA), etc.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • PLD programmable logic device
  • FPGA field programmable gate array
  • a user equipment connected to a mobility management node in a communication network, which generates a message used for location registration in the communication network;
  • a transmitter configured to transmit the message to the mobility management node, wherein the message indicates information indicating whether the user equipment can use a service provided by an IP multimedia subsystem provided by the communication network;
  • a user device is provided that inputs information indicating whether the user device can be used for each type of service.
  • the user apparatus further comprises a receiving unit for receiving a message of location registration response transmitted from the mobility management node, and the communication network included in the message of the location registration response is an IP multimedia subsystem.
  • a packet session connection request may be sent to the mobility management node based on the information indicating whether the service can be provided and the information indicating whether the communication network can provide the type of the service.
  • the transmission unit performs the packet session connection request as the mobility management. It does not have to send to the node. With this configuration, the occurrence of unnecessary service requests can be prevented.
  • Information indicating whether or not the user device is available for each type of service may be input to the message used for the location registration based on the communication method of the communication network.
  • the user apparatus can select an IMS service according to the characteristics of the communication system of the communication network.
  • a mobility management node connected to a user apparatus in a communication network, wherein the generation unit generates a message to be used for a response of location registration to the communication network;
  • a transmission unit for transmitting the information to the user apparatus, and the communication network provides information indicating whether the communication network can provide a service by an IP multimedia subsystem and the communication network for each type of the service.
  • a mobility management node is provided that inputs information indicating whether or not it can.
  • the above configuration enables the user apparatus to acquire the type of service provided by the IMS network, limits the establishment of the connection between the user apparatus and the IMS network to the case where it is necessary, and generates unnecessary service requests. It can be prevented.
  • Information indicating whether the communication network can be provided for each type of service may be input to the message used for the location registration response based on the operation policy of the communication network. According to this configuration, it is possible to set available services available to the user apparatus according to the policy of the telecommunications carrier operating the VPLMN or the contract with the telecommunications carrier of the roaming partner.
  • the operations of multiple functional units may be physically performed by one component, or the operations of one functional unit may be physically performed by multiple components.
  • the order of processing may be changed as long as there is no contradiction.
  • the mobility management node 100 and the user device 200 have been described using functional block diagrams for the convenience of the processing description, such a device may be realized in hardware, software or a combination thereof.
  • the software operated by the processor of the mobility management node 100 according to the embodiment of the present invention and the software operated by the processor of the user apparatus 200 according to the embodiment of the present invention are random access memory (RAM), flash memory, read It may be stored in a dedicated memory (ROM), EPROM, EEPROM, register, hard disk (HDD), removable disk, CD-ROM, database, server or any other suitable storage medium.
  • RAM random access memory
  • ROM dedicated memory
  • EPROM EPROM
  • EEPROM electrically erasable programmable read-only memory
  • register hard disk
  • removable disk CD-ROM
  • database database
  • server server or any other suitable storage medium.
  • Each aspect / embodiment described in the present specification is LTE (Long Term Evolution), LTE-A (LTE-Advanced), SUPER 3G, IMT-Advanced, 4G, 5G, FRA (Future Radio Access), W-CDMA (Registered trademark), GSM (registered trademark), CDMA2000, UMB (Ultra Mobile Broadband), IEEE 802.11 (Wi-Fi), IEEE 802.16 (WiMAX), IEEE 802.20, UWB (Ultra-Wide Band),
  • the present invention may be applied to a system utilizing Bluetooth (registered trademark), other appropriate systems, and / or an advanced next-generation system based on these.
  • the user equipment 200 may be a subscriber station, a mobile unit, a subscriber unit, a wireless unit, a remote unit, a mobile device, a wireless device, a wireless communication device, a remote device, a mobile subscriber station, an access terminal, a mobile terminal, by those skilled in the art. It may also be called a wireless terminal, a remote terminal, a handset, a user agent, a mobile client, a client, or some other suitable term.
  • determining may encompass a wide variety of operations.
  • “Judgment”, “decision” are, for example, judging, calculating, calculating, processing, processing, deriving, investigating, looking up (for example, a table) (Searching in a database or another data structure), ascertaining may be regarded as “decision”, “decision” and the like.
  • “determination” and “determination” are receiving (e.g. receiving information), transmitting (e.g. transmitting information), input (input), output (output), access (Accessing) (for example, accessing data in a memory) may be regarded as “judged” or “decided”.
  • the phrase “based on” does not mean “based only on,” unless expressly stated otherwise. In other words, the phrase “based on” means both “based only on” and “based at least on.”
  • the presence or absence of the IMS capability of the user apparatus is an example of information indicating whether the user apparatus can use a service provided by the IP multimedia subsystem.
  • the list of IMS services available to the user apparatus is an example of information indicating whether or not the user apparatus is available for each type of service.
  • the presence or absence of the IMS capability of the IMS network is an example of information indicating whether the communication network can provide service by the IP multimedia subsystem.
  • the list of IMS services in the IMS network is an example of information indicating whether the communication network can provide each type of service.
  • the IMS service control unit 140 or the initial access control unit 240 is an example of a generation unit.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)

Abstract

Le dispositif d'utilisateur comprend : une unité de production connectée à un nœud de gestion de mobilité dans un réseau de communication et qui produit un message utilisé pour un enregistrement d'emplacement avec le réseau de communication ; et une unité de transmission permettant de transmettre le message au nœud de gestion de mobilité. Le dispositif d'utilisateur entre dans les informations de message indiquant si le dispositif d'utilisateur peut utiliser des services de sous-système multimédia IP fournis par le réseau de communication et des informations indiquant, pour chaque type de service, si le dispositif d'utilisateur peut utiliser le service.
PCT/JP2018/022673 2017-06-19 2018-06-14 Dispositif d'utilisateur et nœud de gestion de mobilité WO2018235708A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2019525505A JP7161993B2 (ja) 2017-06-19 2018-06-14 端末

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017120008 2017-06-19
JP2017-120008 2017-06-19

Publications (1)

Publication Number Publication Date
WO2018235708A1 true WO2018235708A1 (fr) 2018-12-27

Family

ID=64735604

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2018/022673 WO2018235708A1 (fr) 2017-06-19 2018-06-14 Dispositif d'utilisateur et nœud de gestion de mobilité

Country Status (2)

Country Link
JP (1) JP7161993B2 (fr)
WO (1) WO2018235708A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020190875A1 (fr) * 2019-03-15 2020-09-24 Apple Inc. Procédé, support lisible par ordinateur et appareil permettant de déterminer le support d'un service vocal ims dans un réseau mobile 5g
WO2020208913A1 (fr) * 2019-04-11 2020-10-15 株式会社Ｎｔｔドコモ Nœud de réseau
CN113273252A (zh) * 2019-01-11 2021-08-17 株式会社Ntt都科摩 网络节点及用户装置
CN113412682A (zh) * 2019-02-14 2021-09-17 株式会社Ntt都科摩 网络节点

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013219528A (ja) * 2012-04-06 2013-10-24 Ntt Docomo Inc 通信システム、移動局及び通信方法
US20140355590A1 (en) * 2012-01-11 2014-12-04 Samsung Electronics Co., Ltd. Apparatus and method for connecting packet data network in mobile communication system
US20150139076A1 (en) * 2012-05-14 2015-05-21 Telefonaktiebolaget L M Ericsson (Publ) Service provision in a cellular communications network comprising cells with different service capabilities

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8515421B2 (en) 2005-11-12 2013-08-20 Interdigital Technology Corporation IMS enabled attach procedure for LTE
CN100488284C (zh) 2006-01-26 2009-05-13 华为技术有限公司 一种3gpp演进网络中漫游用户数据路由优化方法
CN101572951B (zh) 2008-04-30 2011-09-14 华为技术有限公司 建立承载的方法、mme、pcrf和用户终端
CN101572952B (zh) 2008-04-30 2012-05-23 华为技术有限公司 建立承载的方法、mme、pcrf和用户终端
CN102378148B (zh) 2010-08-23 2016-06-01 中兴通讯股份有限公司 终端、hss、及核心网网元获知终端能力的方法和系统
EP2819441B1 (fr) 2012-02-22 2020-11-25 LG Electronics Inc. Procédé et dispositif de prise en charge de service vocal dans un système de communication sans fil

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140355590A1 (en) * 2012-01-11 2014-12-04 Samsung Electronics Co., Ltd. Apparatus and method for connecting packet data network in mobile communication system
JP2013219528A (ja) * 2012-04-06 2013-10-24 Ntt Docomo Inc 通信システム、移動局及び通信方法
US20150139076A1 (en) * 2012-05-14 2015-05-21 Telefonaktiebolaget L M Ericsson (Publ) Service provision in a cellular communications network comprising cells with different service capabilities

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NTT DOCOMO: "TS 23. 501: IMS Supported Indicator", 3GPP TSG SA WG2 #122 S2-174531, 20 June 2017 (2017-06-20), XP051309586 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113273252A (zh) * 2019-01-11 2021-08-17 株式会社Ntt都科摩 网络节点及用户装置
CN113273252B (zh) * 2019-01-11 2024-03-26 株式会社Ntt都科摩 网络节点及用户装置
CN113412682A (zh) * 2019-02-14 2021-09-17 株式会社Ntt都科摩 网络节点
WO2020190875A1 (fr) * 2019-03-15 2020-09-24 Apple Inc. Procédé, support lisible par ordinateur et appareil permettant de déterminer le support d'un service vocal ims dans un réseau mobile 5g
WO2020208913A1 (fr) * 2019-04-11 2020-10-15 株式会社Ｎｔｔドコモ Nœud de réseau
CN113994625A (zh) * 2019-04-11 2022-01-28 株式会社Ntt都科摩 网络节点

Also Published As

Publication number Publication date
JPWO2018235708A1 (ja) 2020-04-23
JP7161993B2 (ja) 2022-10-27

Similar Documents

Publication Publication Date Title
US11818608B2 (en) Third party charging in a wireless network
US20230345354A1 (en) Network slice for visited network
US9571611B2 (en) Updating rich communication suite capability information over a communications network
US10064043B2 (en) Connecting user equipment to different core networks
US9277522B2 (en) Exchanging rich communication suite capability information in a communications system
US9350662B2 (en) Server mediated peer-to-peer communication offloading from network infrastructure
US9215256B2 (en) Updating contact information for client devices registered to the same user for an internet protocol multimedia subsystem service
JP7161993B2 (ja) 端末
CN115039425A (zh) 通过使用情况监控事件扩展Npcf_EventExposure
EP4142218A1 (fr) Procédé, dispositif et système d'accès à une tranche de réseau
EP3923671A1 (fr) Procédé et dispositif d'établissement de session
US11146595B2 (en) Service-based IP multimedia network subsystem (IMS) architecture
US8891365B2 (en) Dual connection admission control (CAC) at origination and destination points in LTE and EPC networks
JP6396489B2 (ja) インターネットプロトコルメディアサブシステムサービスに基づくネットワークアクセス選択
JP2021530149A (ja) リダイレクション方法、通信システム及び通信装置
CN111131506B (zh) 报文处理方法及装置
US9544444B2 (en) Differentiated MMS billing based on roaming status determination of user devices
WO2020052463A1 (fr) Procédé de communication et élément de réseau
JP2017195639A (ja) 優先度ベースのセッションおよびモビリティ管理のためのシステムおよび方法
WO2014059647A1 (fr) Procédé, appareil et système de traitement de service du domaine des données
US20240097933A1 (en) Policy control function fallback
US20240163735A1 (en) Cellular communication session management for user equipment (ues) in idle mode
US10887938B1 (en) Systems and methods for network selection and registration based on voice service type support

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: 18821488

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2019525505

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: 18821488

Country of ref document: EP

Kind code of ref document: A1