WO2016139919A1 - 通信システム、基地局、判定方法、通信端末及び接続方法 - Google Patents
通信システム、基地局、判定方法、通信端末及び接続方法 Download PDFInfo
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- WO2016139919A1 WO2016139919A1 PCT/JP2016/001007 JP2016001007W WO2016139919A1 WO 2016139919 A1 WO2016139919 A1 WO 2016139919A1 JP 2016001007 W JP2016001007 W JP 2016001007W WO 2016139919 A1 WO2016139919 A1 WO 2016139919A1
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- Prior art keywords
- communication
- communication terminal
- base station
- carrier
- core network
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/80—Rating or billing plans; Tariff determination aspects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/14—Access restriction or access information delivery, e.g. discovery data delivery using user query or user detection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
- H04W8/20—Transfer of user or subscriber data
- H04W8/205—Transfer to or from user equipment or user record carrier
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/26—Network addressing or numbering for mobility support
- H04W8/265—Network addressing or numbering for mobility support for initial activation of new user
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
- H04W8/183—Processing at user equipment or user record carrier
Definitions
- the present invention relates to a communication system, a base station, a determination method, a communication terminal, and a connection method, and more particularly to a communication system, a base station, a determination method, a communication terminal, and a connection method for selecting a communication carrier used by the communication terminal.
- Non-Patent Document 1 describes that in Europe, which uses GSM (registered trademark) (Global System for Mobile communications) as a communication method, when a carrier makes a phone call, a charge rate is transferred to a mobile phone or the like. It is described that a service for notification can be provided. If the user agrees to the notified billing rate, the calling process is continued.
- GSM registered trademark
- MEC Mobile Edge Computing
- Non-Patent Document 1 does not describe that the user compares the charging rates of a plurality of business operators and selects the business operator to be used when making a call. Therefore, there is a problem that the user cannot flexibly select a business operator to use when making a call.
- An object of the present invention is to provide a communication system, a base station, a determination method, a communication terminal, and a connection method that allow a user to select an operator flexibly.
- a communication system includes a core network managed by a communication carrier, a management device that manages connection information used when connecting to the core network, the core network, and the management device.
- a base station to be connected, and when the base station receives a first connection request message not specifying the communication carrier from a communication terminal, the base station transmits information about a plurality of communication carriers to the communication terminal, The connection information regarding the communication carrier selected in the communication terminal is transmitted to the communication terminal.
- a base station is a base station that is connected to a core network managed by a communication carrier and a management device that manages connection information used when connecting to the core network.
- a management device that manages connection information used when connecting to the core network.
- a determination method is a determination method in a base station connected to a core network managed by a communication carrier and a management device that manages connection information used when connecting to the core network.
- a communication terminal is a communication that communicates with a base station that is connected to a core network managed by a communication carrier and a management device that manages connection information used when connecting to the core network.
- a first communication unit that is a terminal and transmits a first connection request message that does not designate the communication carrier, and selects a communication carrier from a plurality of communication carriers transmitted from the base station
- a second communication unit that transmits a second connection request message to a core network managed by the selected communication carrier using the connection information of the selected communication carrier transmitted from the management device.
- a connection method is a communication that communicates with a base station that is connected to a core network managed by a communication carrier and a management device that manages connection information used when connecting to the core network.
- a connection method in a terminal wherein a first connection request message not specifying the communication carrier is transmitted, a single communication carrier is selected from a plurality of communication carriers transmitted from the base station, The second connection request message is transmitted to the core network managed by the selected communication carrier using the connection information of the selected communication carrier transmitted from the management device.
- a communication system it is possible to provide a communication system, a base station, a determination method, a communication terminal, and a connection method that allow a user to select an operator flexibly.
- FIG. 1 is a configuration diagram of a communication system according to a first exemplary embodiment
- FIG. 3 is a configuration diagram of a base station according to a second exemplary embodiment.
- FIG. 3 is a configuration diagram of an MEC device according to a second exemplary embodiment. It is a block diagram of the communication terminal concerning Embodiment 2.
- FIG. It is a figure which shows the flow of the Attach determination process in the base station concerning Embodiment 2.
- FIG. FIG. 10 is a diagram illustrating a flow of a limited attach process according to the second exemplary embodiment.
- FIG. 10 is a diagram illustrating a flow of a Limited Attach process according to the third embodiment.
- FIG. 10 is a diagram illustrating a flow of a Limited Attach process according to the third embodiment.
- the communication system in FIG. 1 includes a communication terminal 10, a base station 20, a management device 30, and core networks 40 to 41.
- Core networks 40 and 41 are networks managed by a communication carrier.
- the core networks 40 and 41 are networks specified by 3GPP (3rd Generation Partnership Project), they include node devices such as MME (Mobility Management Entity) and SGSN (Serving GPRS Support Node).
- the telecommunications carrier may be, for example, a mobile telecommunications carrier (MNO; Mobile Network Operator) that owns a network, or a virtual mobile telecommunications carrier (MVNO; Mobile Virtual Network Operator). Good.
- MNO mobile telecommunications carrier
- MVNO Virtual Mobile Virtual Network Operator
- the core networks 40 and 41 may be connected to a core network owned by another virtual mobile communication carrier.
- the management device 30 manages connection information used when the communication terminal 10 connects to the core network 40 and connection information used when the communication terminal 10 connects to the core network 41.
- the management device 30 may be a computer device that operates when a CPU (Central Processing Unit) executes a program stored in a memory.
- the connection information may be identification information for identifying a communication carrier, for example.
- the connection information may be identification information used by the core network 40 or 41 to uniquely identify the communication terminal 10 when the communication terminal 10 uses the core network 40 or 41.
- the base station 20 is connected to the core network 40, the core network 41, and the management apparatus 30. Although the base station 20 is connected to the core network 40 and the core network 41 in this figure, three or more core networks may be connected to the management apparatus 30.
- the connection of the base station 20 to the core network 40 and the core network 41 includes a state in which the base station 20 can communicate with the node devices configuring the core network 40 and the core network 41. Further, the connection of the base station 20 to the management device 30 includes a state where the base station 20 can communicate with the management device 30.
- the base station 20 is, for example, an eNB (evolved Node B) that can use LTE (Long Term Evolution) as a wireless communication standard in 3GPP, a Node B used in WCDMA (registered trademark) (Wideband Code Division Multiple Access), or others. It may be a base station using the wireless communication standard.
- eNB evolved Node B
- LTE Long Term Evolution
- WCDMA Wideband Code Division Multiple Access
- the base station 20 receives from the communication terminal 10 a connection request message that does not designate a communication carrier.
- the base station 20 transmits information on a plurality of communication carriers to the communication terminal 10.
- the plurality of communication carriers are, for example, communication carriers that manage the core network connected to the base station 20.
- the base station 20 transmits information indicating a communication carrier that manages the connected core network to the communication terminal 10.
- the base station 20 transmits connection information regarding the communication carrier selected by the communication terminal 10 to the communication terminal 10. For example, when one communication carrier is selected from a plurality of communication carriers in the communication terminal 10, the base station 20 specifies the selected communication carrier. Further, the base station 20 receives connection information used when connecting to the core network managed by the selected communication carrier from the management device 30. The base station 20 transmits the received connection information to the communication terminal 10.
- the management device 30 can hold connection information used when connecting to the core network. Therefore, even when the communication terminal 10 does not have connection information for connecting to any of the core networks in advance, the base station 20 can connect to the core network that the communication terminal 10 desires to connect to. Information can be received from the management device 30 and the received connection information can be transmitted to the communication terminal 10. Therefore, the communication terminal 10 can connect to a desired core network using the received connection information. In other words, the communication terminal 10 can be connected to a core network managed by a desired communication carrier.
- the user can start providing the service without going through the business center of the business operator after purchasing the communication terminal at a general store.
- the base station 20 is assumed to be an eNB or a NodeB that can transmit and receive a message associated with the Attach process defined in 3GPP.
- the base station 20 includes an Attach process determination unit 21, a terminal communication unit 22, an MEC communication unit 23, and a core network communication unit 24.
- the term “communication unit” may be restated as a transmission / reception unit.
- the Attach process determination unit 21 determines whether to perform a normal Attach process or to perform a Limited Attach process.
- the normal Attach process is an Attach process defined in 3GPP, and is performed when the communication terminal is connected to the core network managed by the communication carrier when the communication terminal is turned on. It is.
- the Limited Attach process is, for example, to temporarily set a communication terminal in a communicable state in order to select which communication carrier manages the communication terminal.
- the communication terminals that are temporarily in a communicable state by the Limited-Attach process are limited in services that can be used.
- services such as voice call and Internet connection are not provided to communication terminals that are temporarily in a communicable state by the Limited Attach process.
- the selection of a communication carrier the downloading of SIM (Subscriber Identity Module) data for connecting to the core network of the selected communication carrier, and Services such as authentication processing for downloading SIM data are provided.
- SIM Subscriber Identity Module
- the base station 20 receives the Attach message transmitted from the communication terminal 10, and determines that the Limited Attach process is to be executed when no communication carrier is set in the received Attach message. Also good. Alternatively, the base station 20 may determine that the Limited Attach process is to be executed when the identifier indicating the communication terminal is not set in the Attach message transmitted from the communication terminal 10. Alternatively, the base station 20 may determine to execute the Limited Attach process when the Attach message transmitted from the communication terminal 10 does not have the identifier distributed from the communication carrier. When the base station 20 determines to execute the Limited Attach process, the base station 20 transmits a Limited Attach message to the MEC (Mobile Edge Edge Computing) device 31 using the MEC communication unit 23. The MEC device 31 corresponds to the management device 30 in FIG.
- MEC Mobile Edge Edge Computing
- the base station 20 may permit only communication with the MEC device 31 to the communication terminal 10 that has performed the Limited Attach processing. That is, the base station 20 may perform control so that communication between the communication terminal 10 that has performed the Limited Attach process and the core network 40 or the core network 41 is not permitted. Further, when the MEC communication unit 23 determines to execute the normal Attach process, the MEC communication unit 23 uses the core network communication unit 24 to transmit the Attach message to the core network.
- the MEC device 31 is a device used to execute processing or the like executed in the core network at a position close to the base station 20.
- the MEC device 31 executes various processes at a position close to the base station 20, the distance between devices that transmit and receive signals is shortened, and processing delays associated with signal delays in the core network can be eliminated.
- one MEC device 31 may be connected to one base station 20.
- the MEC device 31 includes a communication carrier information management unit 32, an authentication processing unit 33, a SIM data management unit 34, and a base station communication unit 35.
- the telecommunications carrier information management unit 32 manages information related to the telecommunications carrier that manages the core network connected to the base station 20.
- the information regarding the communication carrier includes, for example, identification information of the communication carrier, service information provided by the communication carrier, charging conditions when the communication carrier provides a service, or QoS (QoS) of a service provided by the communication carrier. Quality (Of Service) information or the like.
- the communication carrier information management unit 32 is connected to, for example, a server device managed by the communication carrier, and may collect information on the communication carrier from the server device. Alternatively, an administrator who manages the MEC device 31 may input information related to the communication carrier to the communication carrier information management unit 32.
- the communication carrier information management unit 32 uses the base station communication unit 35 and the communication carrier 10 via the base station 20 to cause the communication terminal 10 that has performed the Limited Attach processing to select the core network to be attached. Send information about.
- the authentication processing unit 33 determines whether or not the communication terminal 10 is allowed to execute the Attach process for the core network managed by the communication carrier selected by the communication terminal 10. For example, the authentication processing unit 33 may request the user who operates the communication terminal 10 to input an ID and a password. When the ID and password transmitted from the communication terminal 10 match the ID and password held in advance, the authentication processing unit 33 may permit the communication terminal 10 to execute the Attach process.
- the authentication processing unit 33 may perform an authentication process related to the communication terminal 10 in cooperation with an authentication server arranged in an external network.
- the authentication server may be referred to as a Radius server, for example.
- the authentication processing unit 33 may transmit information regarding a user who operates the communication terminal 10 to an authentication server managed by the credit card company, and use the authentication result in the authentication server managed by the credit card company as the determination result.
- the authentication processing unit 33 may ask the user who operates the communication terminal 10 to input a credit card number and a password.
- the authentication processing unit 33 may use the authentication result in the authentication server managed by the communication carrier as the determination result.
- the authentication server managed by the communication carrier may be, for example, an HSS (Home Subscriber Server) or an HLR (Home Location Register) defined in 3GPP.
- the authentication processing unit 33 may receive an authentication vector used for authentication of the communication terminal 10 from the HSS or HLR and execute an authentication process related to the communication terminal 10.
- the authentication processing unit 33 outputs an authentication result regarding the communication terminal 10 to the SIM data management unit 34.
- the SIM data management unit 34 manages SIM data used for connecting to a core network managed by a communication carrier for each communication carrier.
- the SIM data corresponds to connection information managed by the management apparatus 30 in FIG.
- the SIM data may include, for example, a telephone number, an IMSI (International Mobile Subscriber Identity), a PLMN (Public Land Mobile Mobile) ID, and the like.
- the SIM data management unit 34 may be connected to a server device managed by a communication carrier, and may collect SIM data from the server device.
- an administrator who manages the MEC device 31 may input SIM data to the communication carrier information management unit 32.
- the SIM data management unit 34 sends an authentication result indicating that the communication terminal 10 permits the communication terminal 10 to execute the Attach process on the core network managed by the communication carrier selected by the communication terminal 10 from the authentication processing unit 33. Suppose it is received. In this case, the SIM data management unit 34 transmits SIM information used to connect to the core network selected by the communication terminal 10 to the communication terminal 10.
- the communication terminal 10 may be, for example, a mobile phone terminal or a smartphone terminal.
- the communication terminal 10 may be a tablet terminal or a personal computer having a communication function.
- the MEC communication unit 12 transmits / receives data to / from the MEC device 31 via the base station 20.
- the MEC communication unit 12 transmits a Limited Attach message requesting a Limited Attach process to the base station 20 when the power of the communication terminal 10 transitions to the ON state.
- the MEC communication unit 12 acquires the IP address assigned from the MEC device 31 in the response message to the Limited Attach message.
- the MEC communication unit 12 sets the IP address assigned from the MEC device 31 and communicates with the MEC device 31.
- the telecommunications carrier selection unit 11 receives a list of information about the telecommunications carrier transmitted from the MEC device 31 after completing the Limited Attach process.
- the communication carrier selection unit 11 selects one communication carrier from a plurality of communication carriers in accordance with information input from a user who operates the communication terminal 10.
- the communication carrier selection unit 11 transmits information on the selected communication carrier to the MEC device 31 via the MEC communication unit 12 and the base station 20.
- the telecommunications carrier selection unit 11 may output a list of information about the telecommunications carrier to a display unit (not shown) of the communication terminal 10 or the like. For example, a user who operates the communication terminal 10 compares information such as a service provided by a communication carrier and a usage fee, and selects a communication carrier to be used.
- the authentication processing unit 13 prompts input of information necessary for executing authentication processing in the MEC device 31.
- the authentication processing unit 13 may output an input format of information requested to be input from the MEC device 31 to a display unit or the like.
- the authentication processing unit 13 may output the input format of the ID and password to be transmitted to the MEC device 31 to the display unit or the like, and may output the input format of the credit card number and the password to the display unit or the like.
- the authentication processing unit 13 may execute an authentication process with the core network that is executed during a normal Attach process.
- the SIM data storage unit 16 stores SIM data transmitted from the MEC device 31.
- the SIM data storage unit 16 may be an internal memory provided in the communication terminal 10 or may be an external memory device or the like attached to the communication terminal 10.
- the external memory device may be, for example, a UICC (Universal Circuit ⁇ ⁇ ⁇ ⁇ Card) card, a hard disk, or a USB (Universal Serial Bus) memory.
- the SIM data control unit 15 performs processing for storing SIM data transmitted from the MEC device 31 via the MEC communication unit 12 in the SIM data storage unit 16. For example, when the SIM data control unit 15 receives SIM data from the MEC device 31 that is different from the SIM data already stored in the SIM data storage unit 16, the SIM data control unit 15 renews the SIM data stored in the SIM data storage unit 16. May be replaced with the received SIM data. Alternatively, the SIM data control unit 15 may overwrite and store the newly received SIM data on the SIM data stored in the SIM data storage unit 16. Alternatively, the SIM data control unit 15 may store new SIM data in a region different from the region of the SIM data storage unit 16 in which the SIM data is stored, and may store a plurality of SIM data in the SIM data storage unit 16. Good.
- the SIM data control unit 15 outputs the SIM data set in the Attach message to the core network communication unit 14 when executing a normal Attach process for the core network.
- the core network communication unit 14 transmits the Attach message in which the SIM data is set to the selected core network via the base station 20.
- the Attach process determination unit 21 receives an Attach message transmitted from the communication terminal 10 (S11).
- the Attach process determination unit 21 determines whether or not the received Attach message is a Limited Attach message (S12). For example, if the Attach process determination unit 21 is set to be a Limited Attach message as the message type, it may be determined as a Limited Attach message. Alternatively, the Attach process determination unit 21 may determine that the received Attach message is a Limited Attach message when information regarding the communication carrier is not set in the received Attach message.
- the Attach process determination unit 21 determines that the received Attach message is a Limited Attach message
- the Attach process determination unit 21 executes the Limited Attach process (S13). Specifically, the Attach process determination unit 21 transmits a Limited Attach message to the MEC device 31. If the Attach process determination unit 21 determines that the received Attach message is not a Limited Attach message, the Attach process determination unit 21 executes a normal Attach process (S14). Specifically, the Attach process determination unit 21 transmits an Attach message to an MME or the like in the core network. Alternatively, the Attach process determination unit 21 may determine whether or not the received Attach message is a normal Attach message. The Attach process determination unit 21 executes the Limited Attach process when it is determined that the received Attach message is not a normal Attach message, and executes the normal Attach process when it is determined that it is a normal Attach message. Good.
- the communication terminal 10 transmits a Limited Attach message to the base station 20 (S22).
- the base station 20 determines that the message transmitted from the communication terminal 10 is a Limited Attach message, the base station 20 transmits a Limited Attach message to the MEC device 31 (S23).
- the MEC device 31 transmits a Limited Attach accept message in which an IP address assigned to the communication terminal 10 is set to the base station 20 (S24).
- the base station 20 sets a radio bearer with the communication terminal 10 (S25).
- the base station 20 transmits a Limited Attach accept message to the communication terminal 10 (S26).
- the communication terminal 10 uses the IP address assigned by the MEC device 31 for subsequent communication.
- the MEC device 31 transmits the operator list information to the communication terminal 10 via the base station 20 (S27).
- the MEC device 31 may transmit the provider list information as application information, and the communication terminal 10 may check the provider list information on the Web page.
- the MEC device 31 also transmits, in the carrier list information, service information provided by the telecommunications carrier, charging conditions when the telecommunications carrier provides the service, or QoS information of the service provided by the telecommunications carrier. May be.
- the service information may be information on whether or not voice communication is possible, for example.
- the charging condition may be referred to as tariff information, and as tariff information, a discount on a weekend usage fee or a discount on a late-night usage fee may be transmitted.
- tariff information a discount on a weekend usage fee or a discount on a late-night usage fee may be transmitted.
- the type of credit card that can be used may be notified, and information on whether an Apple (registered trademark) ID or a Google (Play (registered trademark) card can be used. You may be notified.
- the QoS information may be information related to a guaranteed communication speed or communication band, for example. Further, the MEC device 31 may transmit, for example, sale information and the like carried out by each communication carrier to the communication terminal 10.
- the communication terminal 10 transmits information indicating the communication carrier selected from the carrier list information to the MEC device 31 via the base station 20 (S28). Further, the communication terminal 10 may transmit information used for authentication processing in the MEC device 31 to the MEC device 31 together with information indicating the selected communication carrier.
- the MEC device 31 performs an authentication process for the communication terminal 10 between the external authentication server 50 and the communication terminal 10 (S29).
- the MEC device 31 transmits SIM data related to the communication carrier selected by the communication terminal 10 to the communication terminal 10 (S30).
- the SIM data transmitted from the MEC device 31 to the communication terminal 10 may have an expiration date set.
- the MEC device 31 may periodically acquire the latest SIM data from the server device of each communication carrier.
- the SIM data may include, for example, a telephone number, IMSI, and PLMN ID. Further, the SIM data may include APN (Access Point Name) or P-CSCF (Proxy-Call Session Control Function) information.
- APN Access Point Name
- P-CSCF Proxy-Call Session Control Function
- the MEC apparatus 31 has shown the example which transmits SIM data to the communication terminal 10 in step S29 in this figure, the MEC apparatus 31 shows the address information of the server which stores SIM data in the communication terminal 10. May be sent to. In this case, the communication terminal 10 accesses the server and downloads SIM data.
- the MEC device 31 may acquire the SIM data from the server in which the SIM data is stored after the authentication process in step S29 is completed (S30). In this case, the MEC device 31 acquires the SIM data from the server, and then transmits the acquired SIM data to the communication terminal 10.
- the communication terminal 10 executes normal Attach processing when the SIM data is set. Further, in the figure, the process in which the MEC device 31 transmits the provider list information to the communication terminal 10 in step S27 is described. On the other hand, the MEC device 31 may transmit the provider list information to the communication terminal 10 after receiving a message regarding the acquisition request for the provider list information transmitted from the communication terminal 10.
- the communication terminal 10 confirms the service provided by each communication carrier and then manages the core managed by each communication carrier. SIM data necessary for using the network can be acquired. Thereby, the communication terminal 10 can select a communication carrier flexibly according to the service etc. which are provided.
- the base station 20 may transmit information regarding the MVNO to the communication terminal 10 as information regarding the communication carrier.
- the MVNO uses a line in a network managed by the MNO.
- the MNO that manages the base station 20 may transmit information on a plurality of MVNOs that lend lines to the communication terminal 10 as list information.
- the communication terminal 10 transitions to the power ON state (S31).
- the communication terminal 10 transmits an Attach message to the base station 20 using the SIM data stored in the SIM data storage unit 16 (S32).
- the base station 20 determines that the message transmitted from the communication terminal 10 is a normal Attach message
- the base station 20 transmits the Attach message to the MME or SGSN of the core network specified by the Attach message ( S33).
- the Attach message (S33) may include a parameter for notifying that the base station 20 can execute the Limited Attach process.
- the MME or SGSN determines that the validity period of the SIM data set for the Attach process has passed, it transmits an Attach reject message to the base station 20 (S34).
- the MME or SGSN may send the Attach reject message for other reasons.
- the MME or SGSN may transmit an Attach reject message when a roaming contract is not concluded with a communication carrier that manages the MME or SGSN, or when payment of charges is delayed.
- the Attach reject message may include a dedicated parameter for prompting the base station 20 to perform the Limited Attach process, or a Cause value.
- the base station 20 transmits a Limited Attach message to the MEC device 31 in order to provide information regarding other communication carriers regarding the communication terminal 10 (S35).
- the MEC device 31 transmits a Limited Attach accept message to the base station 20 (S36).
- the base station 20 sets a radio bearer with the communication terminal 10 (S37).
- the base station 20 transmits an Attach accept message to the communication terminal 10 as a response to the Attach message in Step S32 (S38).
- Steps S39 to S42 are the same as steps S27 to S30 in FIG.
- the communication terminal 10 transitions to the power ON state (S51).
- the communication terminal 10 transmits an Attach message to the base station 20 using the SIM data stored in the SIM data storage unit 16 (S52).
- the base station 20 determines that the message transmitted from the communication terminal 10 is a normal Attach message
- the base station 20 transmits the Attach message to the MME or SGSN of the core network specified by the Attach message ( S53).
- the Attach message may include a parameter for notifying that the base station 20 can execute the Limited Attach process.
- the Create Session request message is sent to the GW attached to the base station 20 using the LIPA or SIPTO function. Is transmitted (S54).
- the MME or SGSN may transmit the Attach reject message for other reasons.
- the MME or the SGSN may transmit a Create Session request message when a roaming contract is not concluded with a communication carrier that manages the MME or the SGSN, or when payment of charges is delayed.
- the Create Session request message may include a dedicated parameter that prompts the base station 20 to perform the Limited Attach process, or a Cause value.
- the base station 20 transmits a Limited Attach message to the MEC device 31 in order to provide information regarding other communication carriers regarding the communication terminal 10 (S55).
- the MEC device 31 transmits a Limited Attach accept message to the base station 20 (S56).
- the base station 20 transmits a Create Session response message to the MME or SGSN as a response to the Create Session request message in Step S54 (S57).
- the MME or SGSN transmits an Attach accept message to the base station 20 (S58).
- the base station 20 sets a radio bearer with the communication terminal 10 (S59).
- the base station 20 transmits an Attach accept message to the communication terminal 10 as a response to the Attach message in Step S52 (S60).
- Steps S61 to S64 are the same as steps S27 to S30 in FIG. *
- the base station 20 A limited attach message related to the communication terminal 10 can be transmitted to the MEC device 31. Thereby, the communication terminal 10 can acquire new SIM data.
- the communication terminal 10 when the communication terminal 10 receives an Attach reject message from the MME or SGSN due to unpaid charges, etc., the communication terminal 10 selects a communication carrier in step S40 or step S62 and performs a deposit process using a credit card or the like. You may go. In this case, the MEC device 31 may perform communication by using the SIM data currently held by the communication terminal 10 without transmitting new SIM data to the communication terminal 10.
- the present invention has been described as a hardware configuration, but the present invention is not limited to this.
- the present invention can also realize the processing in the communication terminal 10, the base station 20, the management apparatus 30, or the MEC apparatus 31 by causing a CPU (Central Processing Unit) to execute a computer program.
- a CPU Central Processing Unit
- Non-transitory computer readable media include various types of tangible storage media (tangible storage medium).
- Examples of non-transitory computer-readable media include magnetic recording media (eg flexible disks, magnetic tapes, hard disk drives), magneto-optical recording media (eg magneto-optical discs), CD-ROMs (Read Only Memory), CD-Rs, CD-R / W, semiconductor memory (for example, mask ROM, PROM (Programmable ROM), EPROM (Erasable ROM), flash ROM, RAM (Random Access Memory)) are included.
- the program may also be supplied to the computer by various types of temporary computer-readable media. Examples of transitory computer readable media include electrical signals, optical signals, and electromagnetic waves.
- the temporary computer-readable medium can supply the program to the computer via a wired communication path such as an electric wire and an optical fiber, or a wireless communication path.
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Abstract
Description
以下、図面を参照して本発明の実施の形態について説明する。はじめに、図1を用いて本発明の実施の形態1にかかる通信システムの構成例について説明する。図1の通信システムは、通信端末10、基地局20、管理装置30及びコアネットワーク40~41を有している。
続いて、図2を用いて本発明の実施の形態2にかかる基地局20の構成例について説明する。基地局20は、3GPPにおいて規定されているAttach処理に伴うメッセージを送受信することができるeNBもしくはNodeB等とする。
続いて、図7を用いて、本発明の実施の形態3にかかるLimited Attach処理の流れについて説明する。本図においては、通信端末10が有効期限を過ぎたSIMデータを用いてAttach処理を実施した場合の処理の流れについて説明する。
11 通信事業者選択部
12 MEC通信部
13 認証処理部
14 コアネットワーク通信部
15 SIMデータ制御部
16 SIMデータ格納部
20 基地局
21 Attach処理判定部
22 端末通信部
23 MEC通信部
24 コアネットワーク通信部
30 管理装置
31 MEC装置
32 通信事業者情報管理部
33 認証処理部
34 SIMデータ管理部
35 基地局通信部
40 コアネットワーク
41 コアネットワーク
Claims (12)
- 通信事業者が管理するコアネットワークと、
前記コアネットワークに接続する際に用いられる接続情報を管理する管理装置と、
前記コアネットワーク及び前記管理装置に接続する基地局と、を備え、
前記基地局は、
通信端末から前記通信事業者を指定しない第1の接続要求メッセージを受信すると、複数の通信事業者に関する情報を前記通信端末へ送信し、前記通信端末において選択された通信事業者に関する接続情報を前記通信端末へ送信する、通信システム。 - 前記基地局は、
前記第1の接続要求メッセージを受信すると、利用可能な複数の通信事業者の一覧情報を前記通信端末へ送信する、請求項1に記載の通信システム。 - 前記基地局は、
前記第1の接続要求メッセージを受信すると、さらに、前記利用可能な複数の通信事業者の利用料金に関する情報を前記通信端末へ送信する、請求項2に記載の通信システム。 - 前記基地局は、
前記通信端末に関する認証を行った後、前記接続情報を前記通信端末へ送信する、請求項1乃至3のいずれか1項に記載の通信システム。 - 前記接続情報は、SIMデータである、請求項1乃至4のいずれか1項に記載の通信システム。
- 前記基地局は、
前記通信端末から前記通信事業者を指定した第2の接続要求メッセージを受信すると、前記第2の接続要求メッセージを前記コアネットワークへ送信し、前記コアネットワークにおいて前記通信端末の接続が認められない場合、複数の通信事業者に関する情報を前記通信端末へ送信する、請求項1乃至5のいずれか1項に記載の通信システム。 - 前記基地局は、
前記管理装置が前記通信端末へ割り当てたIPアドレスを宛先として、複数の通信事業者に関する情報を前記通信端末へ送信する、請求項1乃至6のいずれか1項に記載の通信システム。 - 前記管理装置には、MEC(Mobile Edge Computing)装置が用いられる、請求項1乃至7のいずれか1項に記載の通信システム。
- 通信事業者が管理するコアネットワークと、前記コアネットワークに接続する際に用いられる接続情報を管理する管理装置と、に接続する基地局であって、
通信端末から前記通信事業者を指定しない第1の接続要求メッセージを受信すると、複数の通信事業者に関する情報を前記通信端末へ送信し、前記通信端末において選択された通信事業者に関する接続情報を前記通信端末へ送信する判定手段を備える、基地局。 - 通信事業者が管理するコアネットワークと、前記コアネットワークに接続する際に用いられる接続情報を管理する管理装置と、に接続する基地局における判定方法であって、
通信端末から前記通信事業者を指定しない第1の接続要求メッセージを受信すると、複数の通信事業者に関する情報を前記通信端末へ送信し、
前記通信端末において選択された通信事業者に関する接続情報を前記通信端末へ送信する、判定方法。 - 通信事業者が管理するコアネットワーク、及び、前記コアネットワークに接続する際に用いられる接続情報を管理する管理装置に接続する基地局と通信する通信端末であって、
前記通信事業者を指定しない第1の接続要求メッセージを送信する第1の通信手段と、
前記基地局から送信された複数の通信事業者の中から一の通信事業者を選択する選択手段と、
前記管理装置から送信された前記選択した通信事業者の接続情報を用いて前記選択した通信事業者が管理するコアネットワークへ第2の接続要求メッセージを送信する第2の通信手段と、を備える通信端末。 - 通信事業者が管理するコアネットワーク、及び、前記コアネットワークに接続する際に用いられる接続情報を管理する管理装置に接続する基地局と通信する通信端末における接続方法であって、
前記通信事業者を指定しない第1の接続要求メッセージを送信し、
前記基地局から送信された複数の通信事業者の中から一の通信事業者を選択し、
前記管理装置から送信された前記選択した通信事業者の接続情報を用いて前記選択した通信事業者が管理するコアネットワークへ第2の接続要求メッセージを送信する、接続方法。
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US15/552,118 US20180041954A1 (en) | 2015-03-04 | 2016-02-25 | Communication system, base station, determination method, communication terminal, and connection method |
KR1020177028195A KR20170127520A (ko) | 2015-03-04 | 2016-02-25 | 통신 시스템, 기지국, 판정 방법, 통신 단말 및 접속 방법 |
CA2977342A CA2977342A1 (en) | 2015-03-04 | 2016-02-25 | Communication system, base station, determination method, communication terminal, and connection method |
EP16758618.9A EP3267735A4 (en) | 2015-03-04 | 2016-02-25 | Communication system, base station, determination method, communication terminal, and connection method |
JP2017503338A JPWO2016139919A1 (ja) | 2015-03-04 | 2016-02-25 | 通信システム、基地局、判定方法、通信端末及び接続方法 |
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EP3267735A4 (en) | 2018-10-31 |
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