WO2017047029A1 - ゲートウェイ装置、無線通信装置、課金制御方法、データ送信方法、及び非一時的なコンピュータ可読媒体 - Google Patents
ゲートウェイ装置、無線通信装置、課金制御方法、データ送信方法、及び非一時的なコンピュータ可読媒体 Download PDFInfo
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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
- H04M15/55—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP for hybrid networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
- H04L12/1403—Architecture for metering, charging or billing
- H04L12/1407—Policy-and-charging control [PCC] architecture
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- H—ELECTRICITY
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- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0069—Transmission or use of information for re-establishing the radio link in case of dual connectivity, e.g. decoupled uplink/downlink
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- H04W36/26—Reselection being triggered by specific parameters by agreed or negotiated communication parameters
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Definitions
- the present invention relates to a gateway device, a wireless communication device, a charging control method, a data transmission method, and a program, and more particularly to a gateway device, a wireless communication device, a charging control method, a data transmission method, and a program that use a plurality of wireless access technologies.
- Dual Connectivity As a technology for communication terminals UE (User Equipment) to perform broadband and low-delay communication. Dual Connectivity is, for example, connected with a first base station MeNB (Master evolved NodeB) and a second base station SeNB (Secondary eNB) where the UE performs LTE (Long Term Evolution) communication, and the UE is connected to the SeNB in addition to the MeNB.
- MeNB Master evolved NodeB
- SeNB Servicedary eNB
- LTE Long Term Evolution
- Non-Patent Document 1 shows a flow of processing for newly adding an SeNB as an eNB that communicates with the UE in a state where the UE is connected to the MeNB as a procedure for Dual Connectivity.
- Non-Patent Document 2 shows the background and purpose of the study.
- Non-Patent Document 3 shows a configuration of PCC (Policy Charging Control) Architecture for executing policy control and charging control.
- PCC Policy Charging Control
- Non-Patent Document 4 shows that a gateway device PGW (Packet Date Network Gateway) manages RAT type as a parameter related to charging for each UE.
- RAT type is a parameter indicating the RAT currently used by the UE.
- Non-Patent Document 1 When executing Dual Connectivity described in Non-Patent Document 1, the UE performs communication using one RAT simultaneously with the MeNB and SeNB. In this case, as described in Non-Patent Document 4, there is no problem in managing RAT type as a charging parameter for each UE. However, as described in Non-Patent Document 2, when the UE performs LTE-WT aggregation, the UE performs communication using two types of RATs at the same time. Therefore, when the PGW manages RAT type in units of UE as in Non-Patent Document 4, there is a possibility that the RAT type managed by the PGW and the RAT actually used by the UE are different. As a result, when the UE performs communication using two types of RATs, there is a problem that it is not possible to perform appropriate charging control according to actual communication (applying a charging rate).
- An object of the present invention is to provide a gateway device, a wireless communication device, and charging control capable of performing charging control according to the RAT used by the UE even when the UE performs communication using different RATs at the same time.
- a method, a data transmission method, and a program are provided.
- the communication terminal performs the first wireless communication using the first wireless access technology and performs the second wireless communication using the second wireless access technology.
- a management unit that manages at least one bearer assigned to the communication terminal and information indicating the first and second radio access technologies in association with each other when forming a communication aggregation.
- a charging system communication unit that transmits information indicating the first and second radio access technologies to at least one charging control apparatus that performs charging control.
- a wireless communication apparatus is a wireless communication apparatus that performs first wireless communication using a first wireless access technology with a communication terminal, wherein the communication terminal performs first wireless communication. And at least one bearer assigned to the communication terminal and the first and second radio access when forming a communication aggregation by performing second radio communication using the second radio access technology Information associated with information indicating technology is transmitted to the network device that manages the bearer.
- the communication terminal performs the first wireless communication using the first wireless access technology and performs the second wireless communication using the second wireless access technology. And managing at least one bearer assigned to the communication terminal and information indicating the first and second radio access technologies in association with each other when forming a communication aggregation by performing the first and second Information indicating the second radio access technology is transmitted to at least one charging control apparatus that performs charging control.
- a data transmission method is a data transmission method used in a wireless communication apparatus that performs first wireless communication with a communication terminal using a first wireless access technology, wherein the communication terminal When forming communication aggregation by performing the first wireless communication and performing the second wireless communication using the second wireless access technology, the at least one bearer assigned to the communication terminal; And the information which linked
- the program according to the fifth aspect of the present invention is such that the communication terminal performs the first wireless communication using the first wireless access technology and the second wireless communication using the second wireless access technology. And managing at least one bearer assigned to the communication terminal and information indicating the first and second radio access technologies in association with each other when forming the communication aggregation by the first and second
- the computer is caused to transmit information indicating the wireless access technology to at least one charging control apparatus that performs charging control.
- a gateway device even when a UE is communicating using different RATs at the same time, a gateway device, a wireless communication device, a charging control method, which can perform charging control according to the RAT used by the UE, A data transmission method and program can be provided.
- FIG. 1 is a configuration diagram of a communication system according to a first exemplary embodiment
- FIG. 3 is a configuration diagram of a communication system according to a second exemplary embodiment. It is a block diagram of the charging system concerning Embodiment 2.
- FIG. It is a block diagram of PGW concerning Embodiment 2.
- FIG. It is a figure which shows the parameter which PGW concerning Embodiment 2 manages. It is a block diagram of eNB concerning Embodiment 2.
- FIG. It is a block diagram of UE concerning Embodiment 2.
- FIG. 10 is a diagram illustrating a flow of transmission processing of RAT type according to the second exemplary embodiment; It is a figure which shows the parameter information set to E-RAB
- FIG. 2 It is a figure which shows the parameter information set to the Modify
- FIG. 2 It is a figure which shows the parameter information set to the Create * Session * Request message concerning Embodiment 2.
- FIG. It is a figure which shows the parameter information set to the Bearer
- FIG. It is a figure which shows the parameter information set to the Modify
- FIG. It is a figure which shows the parameter information set to Context * Request message concerning Embodiment 2.
- FIG. It is a figure which shows the parameter information set to the Change * Notification * Request message concerning Embodiment 2.
- FIG. 6 is a configuration diagram of a communication system according to a third exemplary embodiment. It is a figure explaining the value of RAT
- FIG. 6 It is a figure explaining the value of RAT
- FIG. It is a figure which shows the parameter information set to the E-RAB
- FIG. It is a block diagram of eNB in each embodiment. It is a block diagram of UE in each embodiment. It is a block diagram of PGW in each embodiment.
- 1 has a communication terminal 10, a wireless communication device 21, a wireless communication device 22, a gateway device 30, and a policy charging control device 40.
- the communication terminal 10 may be a mobile phone terminal, a smartphone, a tablet terminal, or the like. Further, the communication terminal 10 may be referred to as a UE used as a generic name of the communication terminal in 3GPP.
- the communication terminal 10 includes 2G (second generation mobile phone) radio access technology, 3G (third generation mobile phone) radio access technology, LTE radio access technology, 4G / 5G (fourth generation / fifth generation mobile phone). It may be a terminal that communicates using a radio access technology or a radio access technology dedicated to CIoT (Cellular IoT (Internet of Things)).
- the communication terminal 10 is a terminal that can simultaneously perform communication (dual connection) using a plurality of different radio access technologies.
- the communication terminal 10 may be a terminal that simultaneously performs mobile communication using wireless access technology defined in 3GPP and wireless LAN communication. Further, the communication terminal 10 may be a terminal that simultaneously performs the LTE radio access technology and the 5G radio access technology.
- the wireless communication device 21 and the wireless communication device 22 perform wireless communication with the communication terminal 10 using a predetermined radio access technology (RAT).
- the communication terminal 10 performs wireless communication with the wireless communication device 22 using a RAT different from the RAT used for wireless communication with the wireless communication device 21.
- the communication terminal 10 performing wireless communication with the wireless communication device 21 and the wireless communication device 22 using different RATs simultaneously is referred to as communication aggregation, hybrid dual connectivity, or the like.
- One RAT used in the communication aggregation may be, for example, LTE in which a communication standard is defined in 3GPP, or may be a wireless communication technology in which a communication standard is defined in 3GPP in the future. It may be referred to as 5G, for example.
- the other RAT used in the communication aggregation may be a wireless LAN.
- the policy charging control device 40 is a device that executes control related to a service policy related to the communication terminal 10 and processing related to charging.
- the gateway device 30 is a gateway device used when the communication terminal 10 communicates with a network including the wireless communication device 21 and the wireless communication device 22 and a service provided network or a different external network. Further, the gateway device 30 transmits a charging parameter related to the communication terminal 10 to the policy charging control device 40.
- the gateway device 30 may be a computer device that operates when a processor executes a program stored in a memory.
- the gateway device 30 includes a management unit 31 and a billing system communication unit (note that the communication unit may be referred to as a transmission and reception unit) 32.
- the constituent elements of the gateway device 30 including the management unit 31 and the billing system communication unit 32 may be software or modules that execute processing when the processor executes a program stored in the memory.
- the component which comprises the gateway apparatus 30 may be software, such as a circuit or a chip
- the management unit 31 includes at least one bearer assigned to the communication terminal 10 and the wireless communication device
- the RAT used for communication with 21 and the information indicating the RAT used for communication with the wireless communication apparatus 22 are associated and managed.
- the management unit 31 The RAT is managed in one-to-one correspondence.
- the management unit 31 Two RATs are managed in association with one bearer. Note that three or more RATs may be associated with one bearer.
- the charging system communication unit 32 transmits information related to the RAT managed by the management unit 31 in units of bearers to the policy charging control device 40.
- the gateway device 30 manages the RAT used by the communication terminal 10 in association with the bearer unit, thereby managing the RAT used by the communication terminal 10 to the policy charging control device 40 for each bearer. Can be notified.
- the policy charging control apparatus 40 can accurately grasp the RAT actually used by the communication terminal 10, and can therefore perform charging control according to the RAT.
- the communication system of FIG. 2 includes a UE 50, an LTE base station eNB 60, a 5G base station 70, a mobility management node MME (Mobility Management Entity) 80, an SGW (Serving Management Gateway) 90, a PGW 100, and a PCRF (Policy Control Control and Charging Control Rules). It has an entity 110 (hereinafter referred to as a PCRF 110).
- PCRF 110 Policy Control Control and Charging Control Rules
- the UE 50 corresponds to the communication terminal 10 in FIG.
- the eNB 60 corresponds to the wireless communication device 21 in FIG.
- the 5G base station 70 corresponds to the wireless communication device 22 in FIG.
- the PGW 100 corresponds to the gateway device 30 in FIG.
- the PCRF 110 corresponds to the policy charging control device 40 of FIG.
- the 5G base station 70 is a base station that supports a 5G wireless communication system that is a next-generation wireless communication system that will be defined in 3GPP in the future.
- the next generation wireless communication method or wireless access technology is referred to as 5G, but the name is not limited to 5G.
- the UE 50 is a terminal that supports both LTE and 5G wireless communication systems.
- the MME 80 is a device that mainly issues a request and instruction for UE 50 mobility management and bearer setting or a bearer deletion request and instruction.
- the SGW 90 and the PGW 100 are gateway devices that relay user data (packets) transmitted or received by the UE 50.
- the SGW 90 accommodates a radio access system, and the PGW 100 connects to an external network (PDN: PacketPackData Network or the like).
- the PCRF 110 determines a policy (charging system) such as QoS control or charging control in the SGW 90 and the PGW 100.
- the eNB 60 and the MME 80 are defined as an S1-MME interface.
- the eNB 60 and the SGW 90 are defined as an S1-U interface.
- the S11 interface is defined between the MME 80 and the SGW 90.
- Between the SGW 90 and the PGW 100 is defined as an S5 interface.
- the Gx interface is defined between the PGW 100 and the PCRF 110. Note that the term interface may be replaced with a reference point.
- an interface corresponding to an X2 interface defined as an interface between eNBs in 3GPP may be defined.
- an interface corresponding to the S1-U interface may be defined between the 5G base station 70 and the SGW 90.
- 5G base station 70 can transmit / receive data with SGW90 via eNB60.
- the UE 50 performs LTE communication with the eNB 60 and 5G radio communication with the 5G base station 70 to form LTE-5G aggregation. Assume that the bearer when the UE 50 performs communication via the eNB 60 is different from the bearer when the UE 50 performs communication via the 5G base station 70.
- PGW 100 a configuration example of the charging system will be described with reference to FIG. 3 is described as PGW 100, PCRF 110, AF (Application Function) entity 120 (hereinafter referred to as AF 120), OCS (Online Charging System) 130, TDF (Traffic Detection Function) entity 140 (hereinafter referred to as TDF 140). ), And OFCS (Offline Charging System) 150.
- the PGW 100 may have a PCEF (Policy and Charging Enforcement Function) and communicate with each device constituting the charging system using the PCEF.
- PCEF Policy and Charging Enforcement Function
- the AF 120 is an application server, and controls application services provided to the UE 50.
- the TDF 140 detects the service type for each flow through the PCRF 110 for the data transmitted or received by the PGW 100.
- the OCS 130 and OFCS 150 perform charging control according to the charging contract of the UE 50. For example, in the case of a billing contract such as a prepaid service, the OCS 130 having the ability to constantly monitor the communication amount performs billing processing. On the other hand, in the case of a monthly billing contract, the OFCS 150 performs billing processing.
- the Gx interface is defined between the PGW 100 and the PCRF 110. Between the PGW 100 and the OCS 130 is defined as a Gy interface. Between the PGW 100 and the OFCS 150 is defined as a Gz interface. The space between the TDF 140 and the OCS 130 is defined as Gyn. Between TDF 140 and OFCS 150 is defined as Gzn. Between the TDF 140 and the PCRF 110 is defined as an Sd interface. The Sy interface is defined between the PCRF 110 and the OCS 130. The PCRF 110 and the AF 120 are defined as an Rx interface.
- the PGW 100 transmits the RAT type managed for each bearer to each device via the Gx, Gy, and Gz interfaces. Further, the PCRF 110 transmits the RAT type managed for each bearer to each device via the Rx and Sd interfaces.
- the PGW 100 includes a core network communication unit 101, a management unit 102, and a PCC (Policy and Charging Control) communication unit 103.
- PCEF is executed by the management unit 102 and the PCC communication unit 103.
- the core network communication unit 101 transmits or receives user data related to the UE 50 with the SGW 90. Further, the core network communication unit 101 receives, from the SGW 90, the RAT type used for each bearer assigned to the UE 50. The core network communication unit 101 outputs information regarding the received RAT type to the management unit 102.
- the management unit 102 manages RAT type in association with the bearer assigned to the UE 50.
- EPS EvolvedvolvePacket System
- EPS Bearer is a bearer set between the UE 50 and the PGW 100.
- FIG. 5 shows that the parameter managed in EPS Bearer ID unit includes RATRtype (shown at the bottom).
- the management unit 102 of the PGW 100 manages the RAT type and the EPS type Bearer ID in association with each other.
- the PCC communication unit 103 transmits the RAT type managed by the management unit 102 in units of EPS Bearer IDs to the PCRF 110, the OCS 130, and the OFCS 150.
- the PCC communication unit 103 has priority over the RAT managed in the unit of UE 50, and the RAT managed in the unit of EPS Bearer ID in FIG. The type is transmitted to the PCRF 110, the OCS 130, and the OFCS 150.
- the eNB 60 includes a radio communication unit 61, a different RAT communication unit 62, and a core network communication unit 63.
- the component that configures the eNB 60 may be software, a module, or the like that is processed by a processor executing a program stored in a memory.
- the component which comprises eNB60 may be software, such as a circuit or a chip
- the wireless communication unit 61 performs LTE communication with the UE 50.
- the different RAT communication unit 62 communicates with another wireless communication device that supports a wireless communication method different from LTE.
- the different RAT communication unit 62 communicates with the 5G base station 70.
- the core network communication unit 63 transmits or receives control data to / from the MME 80.
- the control data may be referred to as C (Control) -Plane data, for example.
- the core network communication unit 63 transmits or receives user data to / from the SGW 90.
- the user data may be referred to as U (User) -Plane data, for example.
- U User
- the core network communication unit 63 transmits or receives control data and user data.
- a communication unit that transmits or receives control data is different from a communication unit that transmits or receives user data. It may be a functional block or a different interface.
- the different RAT communication unit 62 executes a process of adding the 5G base station 70 as a device that forms LTE-5G aggregation when the eNB 60 performs LTE communication with the UE 50.
- the UE 50 includes an LTE communication unit 51 and a 5G communication unit 52.
- the LTE communication unit 51 performs LTE communication with the eNB 60.
- the 5G communication unit 52 performs 5G communication with the 5G base station 70.
- the UE 50 forms LTE-5G aggregation by performing communication simultaneously with the eNB 60 and the 5G base station 70 using the LTE communication unit 51 and the 5G communication unit 52.
- the UE 50 is a terminal that can simultaneously perform communication (dual connection) using a plurality of different radio access technologies.
- FIG. 8 refers to 3GPPGPTS23.401 V13.1.0 (2014-12) Figure 5.4.7-1.
- FIG. 8 illustrates the flow of processing related to E-UTRAN (Evolved Universal Terrestrial Radio Access Network) initiated E-RAB (EPS-Radio Access Access Bearer) modification procedure.
- E-UTRAN Evolved Universal Terrestrial Radio Access Network
- E-RAB EPS-Radio Access Access Bearer
- FIG. 8 shows a flow of a transmission process of RAT type when a 5G base station 70 is added as a device that forms LTE-5G aggregation when the UE 50 and the eNB 60 perform LTE communication. Show.
- a process of adding the 5G base station 70 is executed between the UE 50, the eNB 60, and the 5G base station 70 (SCG (Secondary Cell Group) Modification) (S11).
- the SCG indicates the added base station (the service cell thereby) in forming the LTE-5G aggregation.
- the 5G base station 70 corresponds to SCG.
- the eNB 60 with which the UE 50 initially communicated corresponds to an MCG (Master Cell Group).
- the eNB 60 transmits an E-RAB Modification Indication message to the MME 80 in order to update bearer information when the 5G base station 70 is added as an SCG (S13).
- the bearer information to be updated is E-RAB (E-UTRAN Radio Access Bearer).
- the E-RAB is a bearer set between the UE 50 and the SGW 90.
- the E-RAB has a one-to-one correspondence with an EPS bearer that is set between the UE 50 and the PGW 100.
- FIG. 9 refers to 3GPP TS 36.413 V13.0.0 (2015-06) 9.1.3.8.
- the parameter information set in the E-RAB Modification Indication message is described under IE / Group Name.
- E-RAB to Modified List parameters related to the 5G base station 70 added to form the LTE-5G aggregation are set.
- E-RAB to Modified Item IEs Information Elements
- E-RAB ID that identifies an E-RAB assigned when the UE 50 communicates with the 5G base station 70.
- RAT type (5G) indicating the RAT used by the UE 50 for communication with the 5G base station 70 is set.
- information indicating 5G may be set in RAT type that is set in E-RAB to be Modified Item IEs.
- E-RAB a name different from the E-RAB may be used for the bearer set between the UE 50 and the SGW 90 via the 5G base station 70.
- the bearer set between the UE 50 and the SGW 90 via the 5G base station 70 is described as E-RAB.
- the names of E-RAB to Modified List, E-RAB to be Modified Item IEs, and E-RAB ID depend on the bearer name set between UE 50 and SGW 90 via 5G base station 70. May be changed.
- E-RAB not to be Modified Item IEs is set with an E-RAB ID that identifies an E-RAB assigned when the UE 50 communicates with the eNB 60.
- E-RABTEto be Modified Item IEs RAT type (LTE) indicating the RAT used by the UE 50 for communication with the eNB 60 is set.
- LTE RAT type
- information indicating LTE may be set in RAT type set in E-RAB not to be Modified Item IEs.
- ENB 60 transmits to the MME 80 an E-RAB Modification Indication message including the RAT type associated with the E-RAB ID.
- the MME 80 when the MME 80 receives the E-RAB Modification Indication message, the MME 80 transmits a Modify Bearer request message in which the RAT type associated with the E-RAB ID is set to the SGW 90 (S14). Further, the SGW 90 transmits a Modify Bearer Request message in which the RAT type associated with the E-RAB ID is set to the PGW 100 (S15).
- FIG. 10 refers to 3GPP TS 29.274 V13.2.0 (2015-06) Table 7.2.7-2.
- RAT type is set in the ModifyModBearer Request message together with EPS Bearer ID.
- a plurality of Bearer Context IE Type is set in the Modify Bearer Request message, and RAT type is set for each EPS Bearer ID.
- type can also be set for every Modify
- the RAT type set in the Modify ⁇ Bearer Request message means that it is valid for all EPS Bearers.
- the RAT type set in EPS Bearer ID may be preferentially processed.
- the PGW 100 transmits a ModifyModBearer Response message to the SGW 90 as a response to the Modify Bearer Request message (S16). Further, the SGW 90 transmits a Modify Bearer Response message to the MME 80 (S17). After step S17, the SGW 90 can transmit user data destined for the UE 50 to the eNB 60 and the 5G base station 70. Moreover, after step S17, the SGW 90 can receive the user data transmitted from the UE 50 via the eNB 60 or the 5G base station 70.
- the RAT type associated with the E-RAB ID or EPS Bearer ID is set in the E-RAB Modification Indication message and the Modify Bearer Request message.
- RAT type associated with the bearer may be set.
- FIG. 11 shows that a RAT type is set for each EPS Bearer ID in a Create Session Request message used in ATTACH processing or Tracking Area Update processing.
- FIG. 11 refers to 3GPP TS 29.274 V13.2.0 (2015-06) Table 7.2.1-2.
- the MME 80 transmits a Create Session Request message set as such to the SGW 90.
- RAT type can also be set for each Create Session request message.
- RAT type can be set for each UE in the Create Session request message.
- the RAT type set in the Create Session request message means that it is valid for all EPS Bearers.
- the SGW 90 transmits (transfers) the Create Session Request message thus set to the PGW 100.
- FIG. 12 is used when UE 50 requests bearer allocation in association with addition of 5G base station 70 to form LTE-5G aggregation, or when bearer modification is requested.
- FIG. 12 refers to 3GPP TS 29.274 V13.2.0 (2015-06) Table 7.2.5-2.
- the MME 80 transmits the Bearer Resource Command message thus set to the SGW 90.
- RATRtype can also be set for each Bearer Resource Command message.
- RAT type can be set for each UE in the Bearer Resource Command message. In this case, it means that the RAT type set in the Bearer Resource command message is valid for all EPS Bearers.
- the SGW 90 transmits (transfers) the Bearer Resource Command message thus set to the PGW 100.
- FIG. 13 shows that a RAT type is set for each EPS Bearer ID in a Modify Access Bearers Request message used in a handover process or the like in which no change of the SGW 90 occurs.
- FIG. 13 refers to 3GPP TS 29.274 V13.2.0 (2015-06) Table 7.2.24-2.
- the MME 80 transmits the Modify Access Bearers Request message set as such to the SGW 90.
- type can be set for every Modify
- RAT type can be set for each UE in the Modify Access Bearers Request message.
- Request message means that it is valid for all EPS
- the RAT type set in EPS Bearer ID may be preferentially processed.
- FIG. 14 also shows that RAT type is set for each EPS Bearer ID in the Context Request message used in Tracking Area Update processing or the like.
- FIG. 14 refers to 3GPP TS 29.274 V13.2.0 (2015-06) Table 7.3.5-1.
- the Context Request message is transmitted between the MME after the change and the MME before the change when the UE 50 moves to a place with the change of the MME.
- RAT type can be set for each Context Request message.
- RAT type can be set for each UE in the Context Request message. In this case, it means that the RAT type set in the Context Request message is valid for all EPS Bearers.
- the RAT type set in EPS Bearer ID may be preferentially processed.
- FIG. 15 also shows that RAT type is set for each EPS Bearer ID in the Change Notification Request message transmitted from the MME 80 to the SGW 90.
- FIG. 15 refers to 3GPP TS 29.274 V13.2.0 (2015-06) Table 7.3.14-1.
- RAT type can be set for each Change Notification Request message.
- RAT type can be set for each UE in the Change Notification Request message.
- RAT type set in the Change Notification Request message means that it is valid for all EPS Bearers.
- the RAT type set in the EPS Bearer ID may be preferentially processed.
- the PGW 100 When the UE 50 forms an LTE-5G aggregation with the eNB 60 and the 5G base station 70, the PGW 100 notifies the PCRF 110 that an IP-CAN (IP-Connectivity Access Network) Session has been established. Specifically, the PGW 100 transmits a Diameter CCR (Credit Control Request) message to the PCRF 110 (S21). The PGW 100 sets the RAT type associated with the EPS bearer in the Diameter CCR message. The PCRF 110 can grasp the RAT type associated with the EPS bearer by receiving the Diameter CCR message. Also, RAT type can be set for each Diameter CCR message. In other words, RAT type can be set for each UE in the Diameter CCR message.
- IP-CAN IP-Connectivity Access Network
- the RAT type set in the Diameter CCR message means that it is valid for all EPS bearers.
- the RAT type set in EPS Bearer ID may be preferentially processed.
- the PCRF 110 transmits a DiameterTTSR (TDF Session Request) message in which an ADC (Application Detection and Control) rule for extracting a specific packet flow is extracted from user data traffic related to the UE 50 to the TDF 140 (S31).
- the PCRF 110 sets the RAT type associated with the EPS bearer in the Diameter TSR message.
- RAT type can be set for each Diameter TSR message.
- RAT type can be set for each UE in the Diameter TSR message.
- the RAT type set in the Diameter TSR message means that it is valid for all EPS bearers.
- the RAT type set in the EPS bearer may be preferentially processed.
- the TDF 140 transmits a Diameter TSA (TDF Session Answer) message to the PCRF 110 as a response message (S32).
- Diameter TSA TDF Session Answer
- the RAT type associated with the EPS bearer is transmitted to the AF 120, the OCS 130, and the OFCS 150 using a Diameter message.
- RATRtype can also be set for each Diameter TSA message.
- RAT type can be set for each UE in the Diameter TSA message.
- the RAT type set in the EPS bearer may be preferentially processed.
- Values 0 to 7 shown in FIG. 18 are defined as values indicating RAT type.
- Value 3 indicates a wireless LAN (WLAN)
- Value 6 indicates EUTRAN (LTE).
- FIG. 18 shows that 8 is newly added as the value of RAT type indicating 5G. Accordingly, in various messages, 6 can be set when indicating LTE as RAT type, and 8 can be set when indicating 5G.
- the RAT type associated with the E-RAB ID or EPS Bearer ID is set in various messages defined in 3GPP and transmitted to related nodes including the PGW 100. Accordingly, the PGW 100 can grasp the RAT type of the bearer unit used by the UE 50 instead of the UE 50 unit when the UE 50 forms the LTE-5G aggregation. As a result, the PGW 100 can charge the bearer unit according to the RAT type to the UE 50 forming the LTE-5G aggregation.
- the communication system of FIG. 19 uses an access point WT 160 that performs wireless LAN communication instead of the 5G base station 70 of FIG. Moreover, an interface is not set between WT160 and SGW90, and WT160 presupposes transmitting or receiving the user data regarding UE50 via eNB60. Between the eNB 60 and the WT 160 is defined as an Xw interface.
- the WT 160 may be, for example, an AP (Access Point) or WiFi router used as a base unit or base station in wireless LAN communication.
- the communication system in FIG. 19 indicates that the UE 50 performs LTE communication with the eNB 60 and performs wireless LAN communication with the WT 160 to form LTE-WT aggregation.
- the eNB 60 assumes that the bearer used for LTE communication with the UE 50 and the bearer used for wireless LAN communication via the WT 160 are one bearer. That is, the eNB 60 forms LTE-WT aggregation with the UE 50 by setting two different RATs as one bearer.
- Values 0 to 7 shown in FIG. 20 are defined as values indicating RAT type.
- Value 3 indicates a wireless LAN (WLAN)
- Value 6 indicates EUTRAN (LTE).
- a pre-defined Value value may be set for each bearer.
- a single bearer includes a plurality of RATs.
- the RAT type of Value 8 may be defined as indicating EUTRAN + WLAN. That is, each node shown in FIG. 19 can determine that the UE 50 forms LTE-WT aggregation when Value 8 is set in RAT type.
- the value may be written together as Value 6 + 3 to indicate that the UE 50 forms the LTE-WT aggregation.
- FIG. 21 refers to 3GPPGPTS 29.274 V13.2.0 (2015-06) Table 8.17-1.
- the usage rate in each RAT of user data transmitted in one bearer may be defined together.
- Value 8 may be defined as EUTRAN (30%) + WLAN (70%), and Value 9 may be defined as EUTRAN (50%) + WLAN (50%). 30% in EUTRAN (30%) indicates that 30% of user data transmitted in one bearer is transmitted by LTE communication.
- the usage rate of LTE communication and WLAN communication may be defined by defining as Value 6 (30%) + 3 (70%) or the like.
- E-RAB to Modified List RAT type is set in association with the E-RAB ID.
- a value indicating that RAT types in FIG. 20 or 21 indicates EUTRAN + WLAN is set in the RAT type in FIG.
- the name of the bearer for which LTE communication and wireless LAN communication are set may be different from the name of E-RAB, and is not limited to the name of E-RAB.
- RAT ⁇ ⁇ ⁇ ⁇ type As described above, by defining RAT ⁇ ⁇ ⁇ ⁇ type as in the third embodiment of the present invention, even when a plurality of RAT types are set in one bearer, the PGW 100 is set in one bearer. RAT ⁇ ⁇ ⁇ type can be accurately grasped.
- the PGW 100 charges the UE 50 according to the usage rate of the RAT type even in charging control. It can be performed.
- LTE-5G aggregation in the second embodiment may be realized using one bearer as described in the third embodiment.
- LTE-WT aggregation in the third embodiment may be realized using two bearers as described in the second embodiment.
- FIG. 23 is a block diagram illustrating a configuration example of the eNB 60.
- the eNB 60 includes an RF transceiver 1001, a network interface 1003, a processor 1004, and a memory 1005.
- the RF transceiver 1001 performs analog RF signal processing to communicate with UEs.
- the RF transceiver 1001 may include multiple transceivers.
- RF transceiver 1001 is coupled to antenna 1002 and processor 1004.
- the RF transceiver 1001 receives modulation symbol data (or OFDM symbol data) from the processor 1004, generates a transmission RF signal, and supplies the transmission RF signal to the antenna 1002. Further, the RF transceiver 1001 generates a baseband received signal based on the received RF signal received by the antenna 1002, and supplies this to the processor 1004.
- the network interface 1003 is used to communicate with network nodes (e.g., other eNBs, Mobility Management Entity (MME), Serving Gateway (S-GW), and TSS or ITS server).
- the network interface 1003 may include, for example, a network interface card (NIC) compliant with IEEE 802.3 series.
- the processor 1004 performs data plane processing including digital baseband signal processing for wireless communication and control plane processing.
- the digital baseband signal processing by the processor 1004 may include signal processing of a PDCP layer, an RLC layer, a MAC layer, and a PHY layer.
- the signal processing by the processor 1004 may include GTP-U / UDP / IP layer signal processing at the X2-U interface and the S1-U interface.
- the control plane processing by the processor 1004 may include processing of the X2AP protocol, the S1-MME protocol, and the RRC protocol.
- the processor 1004 may include a plurality of processors.
- the processor 1004 includes a modem processor (eg, DSP) that performs digital baseband signal processing, a processor that performs signal processing of the GTP-U / UDP / IP layer in the X2-U interface and the S1-U interface (eg, DSP) and a protocol stack processor (eg, CPU or MPU) that performs control plane processing may be included.
- DSP modem processor
- a processor that performs signal processing of the GTP-U / UDP / IP layer in the X2-U interface and the S1-U interface eg, DSP
- a protocol stack processor eg, CPU or MPU
- the memory 1005 is configured by a combination of a volatile memory and a nonvolatile memory.
- the memory 1005 may include a plurality of physically independent memory devices.
- the volatile memory is, for example, Static Random Access Memory (SRAM), Dynamic RAM (DRAM), or a combination thereof.
- the non-volatile memory is a mask Read Only Memory (MROM), Electrically Erasable Programmable ROM (EEPROM), flash memory, hard disk drive, or any combination thereof.
- Memory 1005 may include storage located remotely from processor 1004. In this case, the processor 1004 may access the memory 1005 via the network interface 1003 or an I / O interface not shown.
- the memory 1005 may store a software module (computer program) including an instruction group and data for performing processing by the eNB 40 described in the plurality of embodiments.
- the processor 1004 may be configured to perform the processing of the eNB 60 described in the above-described embodiment by reading the software module from the memory 1005 and executing the software module.
- FIG. 24 is a block diagram illustrating a configuration example of the UE 50.
- the Radio Frequency (RF) transceiver 1101 performs analog RF signal processing in order to communicate with the eNB 60 and the 5G base station 70. Analog RF signal processing performed by the RF transceiver 1101 includes frequency up-conversion, frequency down-conversion, and amplification.
- RF transceiver 1101 is coupled with antenna 1102 and baseband processor 1103. That is, the RF transceiver 1101 receives modulation symbol data (or OFDM symbol data) from the baseband processor 1103, generates a transmission RF signal, and supplies the transmission RF signal to the antenna 1102. Further, the RF transceiver 1101 generates a baseband received signal based on the received RF signal received by the antenna 1102 and supplies this to the baseband processor 1103.
- modulation symbol data or OFDM symbol data
- the baseband processor 1103 performs digital baseband signal processing (data plane processing) and control plane processing for wireless communication.
- Digital baseband signal processing consists of (a) data compression / decompression, (b) data segmentation / concatenation, (c) ⁇ transmission format (transmission frame) generation / decomposition, and (d) transmission path encoding / decoding.
- E modulation (symbol mapping) / demodulation
- IFFT Inverse Fast Fourier Transform
- control plane processing includes layer 1 (eg, transmission power control), layer 2 (eg, radio resource management, hybrid automatic repeat request (HARQ) processing), and layer 3 (eg, attach, mobility, and call management). Communication management).
- the digital baseband signal processing by the baseband processor 1103 includes signal processing of Packet Data Convergence Protocol (PDCP) layer, Radio Link Control (RLC) layer, MAC layer, and PHY layer. But you can. Further, the control plane processing by the baseband processor 1103 may include Non-Access Stratum (NAS) protocol, RRC protocol, and MAC ⁇ CE processing.
- PDCP Packet Data Convergence Protocol
- RLC Radio Link Control
- MAC Medium Access Stratum
- PHY Packet Data Convergence Protocol
- the control plane processing by the baseband processor 1103 may include Non-Access Stratum (NAS) protocol, RRC protocol, and MAC ⁇ CE processing.
- NAS Non-Access Stratum
- the baseband processor 1103 includes a modem processor (eg, Digital Signal Processor (DSP)) that performs digital baseband signal processing and a protocol stack processor (eg, Central Processing Unit (CPU) that performs control plane processing, or Micro Processing Unit. (MPU)).
- DSP Digital Signal Processor
- protocol stack processor eg, Central Processing Unit (CPU) that performs control plane processing, or Micro Processing Unit. (MPU)
- CPU Central Processing Unit
- MPU Micro Processing Unit.
- a protocol stack processor that performs control plane processing may be shared with an application processor 1104 described later.
- the application processor 1104 is also called a CPU, MPU, microprocessor, or processor core.
- the application processor 1104 may include a plurality of processors (a plurality of processor cores).
- the application processor 1104 is a system software program (Operating System (OS)) read from the memory 1106 or a memory (not shown) and various application programs (for example, a call application, a web browser, a mailer, a camera operation application, music playback)
- OS Operating System
- the baseband processor 1103 and application processor 1104 may be integrated on a single chip, as shown by the dashed line (1105) in FIG.
- the baseband processor 1103 and the application processor 1104 may be implemented as one System on Chip (SoC) device 1105.
- SoC System on Chip
- An SoC device is sometimes called a system Large Scale Integration (LSI) or chipset.
- the memory 1106 is a volatile memory, a nonvolatile memory, or a combination thereof.
- the memory 1106 may include a plurality of physically independent memory devices.
- the volatile memory is, for example, Static Random Access Memory (SRAM), Dynamic RAM (DRAM), or a combination thereof.
- the non-volatile memory is a mask Read Only Memory (MROM), Electrically Erasable Programmable ROM (EEPROM), flash memory, hard disk drive, or any combination thereof.
- the memory 1106 may include an external memory device accessible from the baseband processor 1103, the application processor 1104, and the SoC 1105.
- Memory 1106 may include an embedded memory device integrated within baseband processor 1103, application processor 1104, or SoC 1105.
- the memory 1106 may include a memory in a Universal Integrated Circuit Card (UICC).
- UICC Universal Integrated Circuit Card
- the memory 1106 may store a software module (computer program) including an instruction group and data for performing processing by the UE 50 described in the plurality of embodiments.
- the baseband processor 1103 or the application processor 1104 may be configured to perform the processing of the UE 50 described in the above-described embodiment by reading the software module from the memory 1106 and executing the software module.
- FIG. 25 is a block diagram illustrating a configuration example of the PGW 100.
- the PGW 100 includes a network interface 1201, a processor 1202, and a memory 1203.
- the network interface 1201 is used to communicate with network nodes (e.g., eNodeB 130, MME, P-GW).
- the network interface 1201 may include, for example, a network interface card (NIC) compliant with IEEE 802.3 series.
- NIC network interface card
- the processor 1202 reads the software (computer program) from the memory 1203 and executes it, thereby performing the processing of the PGW 100 described using the sequence diagram and the flowchart in the above-described embodiment.
- the processor 1202 may be, for example, a microprocessor, MPU, or CPU.
- the processor 1202 may include a plurality of processors.
- the memory 1203 is configured by a combination of a volatile memory and a nonvolatile memory.
- Memory 1203 may include storage located remotely from processor 1202. In this case, the processor 1202 may access the memory 1203 via an I / O interface not shown.
- the memory 1203 is used for storing software module groups.
- the processor 1202 can perform the processing of the PGW 100 described in the above-described embodiment by reading these software module groups from the memory 1203 and executing them.
- each of the processors included in the UE 50, the eNB 60, and the PGW 100 in the above-described embodiment has a group of instructions for causing a computer to execute the algorithm described with reference to the drawings.
- One or more programs are executed.
- 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.
- a part or all of the above-described embodiment can be described as in the following supplementary notes, but is not limited thereto.
- a management unit that associates and manages at least one bearer assigned to a communication terminal and information indicating the first and second radio access technologies;
- a gateway apparatus comprising: a charging system communication unit that transmits information indicating the first and second radio access technologies to at least one charging control apparatus that performs charging control.
- Appendix 2 The billing system communication unit The gateway apparatus according to appendix 1, wherein a Diameter message in which information indicating the radio access technology is set is transmitted to at least one charging control apparatus.
- the management unit When the first bearer is assigned to the first radio communication and the second bearer is assigned to the second radio communication, The management unit The first bearer and first type information indicating the first radio access technology are associated with each other and managed, and the second bearer and second type information indicating the second radio access technology are associated with each other.
- the gateway device according to Supplementary Note 1 or 2, wherein (Appendix 4)
- the management unit further includes: The first bearer and the first type information are managed in association with the second bearer and the second type information, and the communication terminal and the first type information are managed in association with each other.
- the billing system communication unit The first type information associated with the first bearer and the second type information associated with the second bearer have priority over the first type information associated with the communication terminal.
- the gateway device which is transmitted to the charging control device.
- the management unit The gateway device according to appendix 1 or 2, which manages the third bearer and the third type information indicating the first radio access technology and the second radio access technology in association with each other.
- the management unit further includes: Managing the third bearer and the third type information in association with each other, managing the communication terminal in association with the first type information indicating the first radio access technology,
- the billing system communication unit The gateway apparatus according to appendix 5, wherein the third type information associated with the third bearer is transmitted to the charging control apparatus in preference to the first type information associated with the communication terminal. .
- Appendix 7 A network device that performs control related to transmission of user data between the first wireless communication device that performs the first wireless communication, the second wireless communication device that performs the second wireless communication, and the gateway device; Any one of appendices 1 to 6, further comprising a core network communication unit that receives a control message in which at least one bearer allocated to the communication terminal is associated with information on the first and second radio access technologies
- the gateway device according to item.
- the control message is The gateway apparatus according to appendix 7, including at least one of a Create Session Request message, a Bearer Resource Command message, a Modify Bearer Request message, a Modify Access Bearers Request message, a Context Request message, and a Change Notification Request message.
- a wireless communication device that performs first wireless communication with a communication terminal using a first wireless access technology, At least one bearer assigned to the communication terminal when the communication terminal forms a communication aggregation by performing the first wireless communication and performing the second wireless communication using the second wireless access technology; A wireless communication device that transmits information associated with information indicating the first and second wireless access technologies to a network device that manages the bearer.
- a data transmission method used in a wireless communication apparatus that performs first wireless communication with a communication terminal using a first wireless access technology, At least one bearer assigned to the communication terminal when the communication terminal forms a communication aggregation by performing the first wireless communication and performing the second wireless communication using the second wireless access technology;
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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。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。
続いて、図2を用いて本発明の実施の形態2にかかる通信システムの構成例について説明する。図2においては、3GPPにおいて規定されているノードによって構成された通信システムの構成例について説明する。なお、図2では課金システムは省略しており、図3で後述する。
続いて、図19を用いて本発明の実施の形態3にかかる通信システムの構成例について説明する。図19の通信システムは、図2の5G基地局70の替わりに無線LAN通信を行うアクセスポイントWT160を用いている。また、WT160とSGW90との間にインタフェースは設定されず、WT160は、eNB60を介してUE50に関するユーザデータを送信または受信することを前提とする。eNB60とWT160との間は、Xwインタフェースとして規定されている。WT160は、例えば、無線LAN通信における親機や基地局として用いられるAP(Access Point)やWiFiルータであってもよい。
(付記1)
通信端末が第1の無線アクセス技術を用いた第1の無線通信を行うとともに、第2の無線アクセス技術を用いた第2の無線通信を行うことによって通信アグリゲーションを形成している際に、前記通信端末に割り当てられた少なくとも1つのベアラと、前記第1及び第2の無線アクセス技術を示す情報とを関連づけて管理する管理部と、
前記第1及び第2の無線アクセス技術を示す情報を、課金制御を行う少なくとも1つの課金制御装置へ送信する課金システム通信部と、を備える、ゲートウェイ装置。
(付記2)
前記課金システム通信部は、
前記無線アクセス技術を示す情報を設定したDiameterメッセージを少なくとも1つの前記課金制御装置へ送信する、付記1に記載のゲートウェイ装置。
(付記3)
第1の無線通信に第1のベアラが割り当てられ、第2の無線通信に第2のベアラが割り当てられている場合、
前記管理部は、
前記第1のベアラと前記第1の無線アクセス技術を示す第1の種別情報とを関連づけて管理し、前記第2のベアラと前記第2の無線アクセス技術を示す第2の種別情報とを関連づけて管理する、付記1又は2に記載のゲートウェイ装置。
(付記4)
前記管理部はさらに、
前記第1のベアラ及び前記第1の種別情報と、前記第2のベアラ及び前記第2の種別情報とを関連付けて管理するとともに、前記通信端末と、前記第1の種別情報とを関連付けて管理し、
前記課金システム通信部は、
前記第1のベアラに関連付けられた前記第1の種別情報及び前記第2のベアラに関連付けられた前記第2の種別情報を、前記通信端末に関連付けられた前記第1の種別情報に優先して、前記課金制御装置へ送信する、付記3に記載のゲートウェイ装置。
(付記5)
前記第1及び第2の無線通信に第3のベアラが割り当てられている場合、
前記管理部は、
前記第3のベアラと、前記第1の無線アクセス技術及び前記第2の無線アクセス技術を示す第3の種別情報とを関連付けて管理する、付記1又は2に記載のゲートウェイ装置。
(付記6)
前記管理部はさらに、
前記第3のベアラ及び前記第3の種別情報とを関連付けて管理するとともに、前記通信端末と、前記第1の無線アクセス技術を示す第1の種別情報とを関連付けて管理し、
前記課金システム通信部は、
前記第3のベアラに関連付けられた前記第3の種別情報を、前記通信端末に関連付けられた前記第1の種別情報に優先して、前記課金制御装置へ送信する、付記5に記載のゲートウェイ装置。
(付記7)
前記第1の無線通信を行う第1の無線通信装置及び前記第2の無線通信を行う第2の無線通信装置と、前記ゲートウェイ装置との間におけるユーザデータの伝送に関する制御を行うネットワーク装置から、前記通信端末に割り当てられた少なくとも1つのベアラと、前記第1及び第2の無線アクセス技術に関する情報とを関連づけた制御メッセージを受信するコアネットワーク通信部をさらに備える、付記1乃至6のいずれか1項に記載のゲートウェイ装置。
(付記8)
前記制御メッセージは、
Create Session Requestメッセージ、Bearer Resource Commandメッセージ、Modify Bearer Requestメッセージ、Modify Access Bearers Requestメッセージ、Context Requestメッセージ、及びChange Notification Requestメッセージの少なくとも1つを含む、付記7に記載のゲートウェイ装置。
(付記9)
通信端末と第1の無線アクセス技術を用いて第1の無線通信を行う無線通信装置であって、
前記通信端末が第1の無線通信を行うとともに第2の無線アクセス技術を用いた第2の無線通信を行うことによって通信アグリゲーションを形成する際に、前記通信端末に割り当てられた少なくとも1つのベアラと、前記第1及び第2の無線アクセス技術を示す情報とを関連づけた情報を、前記ベアラを管理するネットワーク装置へ送信する、無線通信装置。
(付記10)
通信端末が第1の無線アクセス技術を用いた第1の無線通信を行うとともに、第2の無線アクセス技術を用いた第2の無線通信を行うことによって通信アグリゲーションを形成している際に、前記通信端末に割り当てられた少なくとも1つのベアラと、前記第1及び第2の無線アクセス技術を示す情報とを関連づけて管理し、
前記第1及び第2の無線アクセス技術を示す情報を、課金制御を行う少なくとも1つの課金制御装置へ送信する課金制御方法。
(付記11)
通信端末と第1の無線アクセス技術を用いて第1の無線通信を行う無線通信装置において用いられるデータ送信方法であって、
前記通信端末が第1の無線通信を行うとともに第2の無線アクセス技術を用いた第2の無線通信を行うことによって通信アグリゲーションを形成する際に、前記通信端末に割り当てられた少なくとも1つのベアラと、前記第1及び第2の無線アクセス技術を示す情報とを関連づけた情報を、前記ベアラを管理するネットワーク装置へ送信する、データ送信方法。
(付記12)
通信端末が第1の無線アクセス技術を用いた第1の無線通信を行うとともに、第2の無線アクセス技術を用いた第2の無線通信を行うことによって通信アグリゲーションを形成している際に、前記通信端末に割り当てられた少なくとも1つのベアラと、前記第1及び第2の無線アクセス技術を示す情報とを関連づけて管理し、
前記第1及び第2の無線アクセス技術を示す情報を、課金制御を行う少なくとも1つの課金制御装置へ送信することをコンピュータに実行させるプログラム。
(付記13)
通信端末と第1の無線アクセス技術を用いて第1の無線通信を行うコンピュータに実行させるプログラムであって、
前記通信端末が第1の無線通信を行うとともに第2の無線アクセス技術を用いた第2の無線通信を行うことによって通信アグリゲーションを形成する際に、前記通信端末に割り当てられた少なくとも1つのベアラと、前記第1及び第2の無線アクセス技術を示す情報とを関連づけた情報を、前記ベアラを管理するネットワーク装置へ送信することをコンピュータに実行させるプログラム。
21 無線通信装置
22 無線通信装置
30 ゲートウェイ装置
31 管理部
32 課金システム通信部
40 課金制御装置
50 UE
51 LTE通信部
52 5G通信部
60 eNB
61 無線通信部
62 異RAT通信部
63 コアネットワーク通信部
70 5G基地局
80 MME
90 SGW
100 PGW
101 コアネットワーク通信部
102 管理部
103 PCC通信部
110 PCRF
120 AF
130 OCS
140 TDF
150 OFCS
160 WT
Claims (14)
- 第1の無線アクセス技術を用いた第1の無線通信および第2の無線アクセス技術を用いた第2の無線通信によって通信アグリゲーションを形成する通信端末に割り当てられた少なくとも1つのベアラと、前記第1及び第2の無線アクセス技術を示す情報とを関連づけて管理する管理手段と、
前記第1及び第2の無線アクセス技術を示す情報を送信する通信手段と、を備える、ゲートウェイ装置。 - 前記通信手段は、前記第1及び第2の無線アクセス技術を示す情報を、すくなくとも1つの課金制御装置へ送信する、請求項1に記載のゲートウェイ装置。
- 前記通信手段は、
前記無線アクセス技術を示す情報を設定したDiameterメッセージを少なくとも1つの課金制御装置へ送信する、請求項1又は2に記載のゲートウェイ装置。 - 前記第1の無線通信に第1のベアラが割り当てられ、前記第2の無線通信に第2のベアラが割り当てられている場合、
前記管理手段は、
前記第1のベアラと前記第1の無線アクセス技術を示す第1の種別情報とを関連づけて管理し、前記第2のベアラと前記第2の無線アクセス技術を示す第2の種別情報とを関連づけて管理する、請求項1乃至3のいずれか1項に記載のゲートウェイ装置。 - 前記管理手段はさらに、
前記第1のベアラ及び前記第1の種別情報と、前記第2のベアラ及び前記第2の種別情報とを関連付けて管理するとともに、前記通信端末と、前記第1の種別情報とを関連付けて管理し、
前記通信手段は、
前記第1のベアラに関連付けられた前記第1の種別情報及び前記第2のベアラに関連付けられた前記第2の種別情報を、前記通信端末に関連付けられた前記第1の種別情報に優先して、課金制御装置へ送信する、請求項4に記載のゲートウェイ装置。 - 前記第1及び第2の無線通信に第3のベアラが割り当てられている場合、
前記管理手段は、
前記第3のベアラと、前記第1の無線アクセス技術及び前記第2の無線アクセス技術を示す第3の種別情報とを関連付けて管理する、請求項1乃至3のいずれか1項に記載のゲートウェイ装置。 - 前記管理手段はさらに、
前記第3のベアラ及び前記第3の種別情報とを関連付けて管理するとともに、前記通信端末と、前記第1の無線アクセス技術を示す第1の種別情報とを関連付けて管理し、
前記通信手段は、
前記第3のベアラに関連付けられた前記第3の種別情報を、前記通信端末に関連付けられた前記第1の種別情報に優先して、課金制御装置へ送信する、請求項6に記載のゲートウェイ装置。 - 前記第1の無線通信を行う第1の無線通信装置及び前記第2の無線通信を行う第2の無線通信装置と、前記ゲートウェイ装置との間におけるユーザデータの伝送に関する制御を行うネットワーク装置から、前記通信端末に割り当てられた少なくとも1つのベアラと、前記第1及び第2の無線アクセス技術に関する情報とを関連づけた制御メッセージを受信するコアネットワーク通信手段をさらに備える、請求項1乃至7のいずれか1項に記載のゲートウェイ装置。
- 前記制御メッセージは、
Create Session Requestメッセージ、Bearer Resource Commandメッセージ、Modify Bearer Requestメッセージ、Modify Access Bearers Requestメッセージ、Context Requestメッセージ、及びChange Notification Requestメッセージの少なくとも1つを含む、請求項8に記載のゲートウェイ装置。 - 第1の無線アクセス技術を用いて第1の無線通信を行う無線通信装置であって、
第1の無線通信及び第2の無線アクセス技術を用いた第2の無線通信によって通信アグリゲーションを形成する通信端末に割り当てられた少なくとも1つのベアラと、前記第1及び第2の無線アクセス技術を示す情報とを関連づけた情報を、前記ベアラを管理するネットワーク装置へ送信する、無線通信装置。 - 第1の無線アクセス技術を用いた第1の無線通信及び第2の無線アクセス技術を用いた第2の無線通信によって通信アグリゲーションを形成する通信端末に割り当てられた少なくとも1つのベアラと、前記第1及び第2の無線アクセス技術を示す情報とを関連づけて管理し、
前記第1及び第2の無線アクセス技術を示す情報を送信する課金制御方法。 - 第1の無線アクセス技術を用いて第1の無線通信を行う無線通信装置において用いられるデータ送信方法であって、
第1の無線通信及び第2の無線アクセス技術を用いた第2の無線通信によって通信アグリゲーションを形成する通信端末に割り当てられた少なくとも1つのベアラと、前記第1及び第2の無線アクセス技術を示す情報とを関連づけた情報を、前記ベアラを管理するネットワーク装置へ送信する、データ送信方法。 - 第1の無線アクセス技術を用いた第1の無線通信及び第2の無線アクセス技術を用いた第2の無線通信によって通信アグリゲーションを形成する通信端末に割り当てられた少なくとも1つのベアラと、前記第1及び第2の無線アクセス技術を示す情報とを関連づけて管理し、
前記第1及び第2の無線アクセス技術を示す情報を送信することをコンピュータに実行させるプログラムが格納された非一時的なコンピュータ可読媒体。 - 第1の無線アクセス技術を用いて第1の無線通信を行うコンピュータに実行させるプログラムであって、
第1の無線通信及び第2の無線アクセス技術を用いた第2の無線通信によって通信アグリゲーションを形成する通信端末に割り当てられた少なくとも1つのベアラと、前記第1及び第2の無線アクセス技術を示す情報とを関連づけた情報を、前記ベアラを管理するネットワーク装置へ送信することをコンピュータに実行させるプログラムが格納された非一時的なコンピュータ可読媒体。
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