WO2012108423A1 - 移動通信方法及び移動管理ノード - Google Patents
移動通信方法及び移動管理ノード Download PDFInfo
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- WO2012108423A1 WO2012108423A1 PCT/JP2012/052727 JP2012052727W WO2012108423A1 WO 2012108423 A1 WO2012108423 A1 WO 2012108423A1 JP 2012052727 W JP2012052727 W JP 2012052727W WO 2012108423 A1 WO2012108423 A1 WO 2012108423A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
- H04N7/147—Communication arrangements, e.g. identifying the communication as a video-communication, intermediate storage of the signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/34—Modification of an existing route
- H04W40/36—Modification of an existing route due to handover
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
- H04W36/0027—Control or signalling for completing the hand-off for data sessions of end-to-end connection for a plurality of data sessions of end-to-end connections, e.g. multi-call or multi-bearer end-to-end data connections
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
- H04W36/144—Reselecting a network or an air interface over a different radio air interface technology
- H04W36/1443—Reselecting a network or an air interface over a different radio air interface technology between licensed networks
Definitions
- the present invention relates to a mobile communication method and a mobility management node.
- 2G / 3G wireless access networks (UTRAN: Universal Terrestrial Radio Access Network, or GERAN: GSM EDGE Radio Access Network) and LTE (Long TermEvilUlV).
- UTRAN Universal Terrestrial Radio Access Network
- GERAN GSM EDGE Radio Access Network
- LTE Long TermEvilUlV
- a route (VoIP over Voice over E-UTRAN / UTRAN) is disconnected without disconnecting a route for voice communication (Voice Call) between UE (User Equipment) # 1 and UE # 2.
- SRVCC Single Radio Voice Call Continuity method
- IP communication route
- UTRAN / GERAN route route for circuit switching (CS)
- the route via E-UTRAN / UTRAN (route for VoIP communication) without disconnecting the route for video communication (Video Call) between UE # 1 and UE # 2 “VSRVCC (Single Radio Video Call Continuity) method” is specified for switching from a route to a route via the UTRAN (route for CS communication) (see Non-Patent Document 2).
- VSRVCC Single Radio Video Call Continuity
- the present invention has been made in view of the above-described problems, and it takes place when handing over UE # 1 performing video communication with UE # 2 from E-UTRAN to UTRAN / GERAN. It is an object of the present invention to provide a mobile communication method and a mobile management node capable of providing a mechanism for determining a video communication switching method.
- the first feature of the present invention is that a first radio access network that does not support circuit-switched communication, a mobile transmission network that accommodates the first radio access network, and a second radio access that supports circuit-switched communication A network and a service control network, and without disconnecting a video communication path between the first mobile station and the second mobile station from the path through the first radio access network.
- the radio base station in the first radio access network holds association information associating the determined information related to the switching method, the information related to the video bearer, and the information related to the voice bearer; A mobile station requesting the service control network to delete the video bearer; and the service control network requesting the mobile transport network to delete the video bearer. And the mobile transmission network deletes the information related to the video bearer from the association information in response to a request from the service control network, and deletes the video bearer from the radio base station. Requesting the wireless base station to And Flip, and summarized in that a step of deleting the information relating from the association information to the video bearer.
- FIG. 1 is an overall configuration diagram of a mobile communication system according to a first embodiment of the present invention.
- FIG. 2 is an overall configuration diagram of the mobile communication system according to the first embodiment of the present invention.
- FIG. 3 is a sequence diagram for explaining the operation of the mobile communication system according to the first embodiment of the present invention.
- FIG. 4 is a sequence diagram for explaining the operation of the mobile communication system according to the first embodiment of the present invention.
- FIG. 5 is a sequence diagram for explaining the operation of the mobile communication system according to the first embodiment of the present invention.
- FIG. 6 is a sequence diagram for explaining the operation of the mobile communication system according to the first embodiment of the present invention.
- FIG. 7 is a sequence diagram for explaining the operation of the mobile communication system according to the first embodiment of the present invention.
- FIG. 8 is a sequence diagram for explaining the operation of the mobile communication system according to the first embodiment of the present invention.
- Mobile communication system according to the first embodiment of the present invention A mobile communication system according to a first embodiment of the present invention will be described with reference to FIG. 1 to FIG.
- the path (IMS) via E-UTRAN / UTRAN without disconnecting the path for video communication between UE # 1 and UE # 2 by the vSRVCC scheme or the vSRVCC improvement scheme. It is possible to switch from a route for VoIP communication) to a route via UTRAN / GERAN (route for circuit-switched communication).
- the vSRVCC improvement method uses SRCF that performs switching in the visited network of UE # 1 using ATCF (Access Transfer Function) and ATGW (Access Transfer Gateway) specified in TR23.237 of 3GPP.
- ATCF Access Transfer Function
- ATGW Access Transfer Gateway
- FIG. 1 shows the configuration of the mobile communication system according to the present embodiment when the vSRVCC scheme is used
- FIG. 2 shows the configuration of the mobile communication system according to the present embodiment when the vSRVCC improvement scheme is used.
- the mobile communication system accommodates E-UTRAN and UTRAN / GERAN.
- the mobile communication system includes an eNB (Radio Base Station), an RNC (Radio Network Controller, a radio network controller, (Not shown), NodeB / BSS (wireless base station, not shown), MME (Mobility Management Entity, mobility management node), S-GW (Serving-Gateway, serving gateway device), P-GW (PDN- Gateway, PDN gateway device), P-CSCF (Proxy-Call Session Control Function, session control device for proxy), MSC (Mobile-service Switching Center, circuit exchange) ), SGSN (Serving GPRS Support Node, packet switch), MSC server, CS (Circuit Switch) -MGW (Media Gateway), PCRF (Policy and Charging Rules, and CS rules) Online Charging System, online billing system).
- eNB Radio Base Station
- RNC Radio Network Controller
- MME Mobility Management Entity
- S-GW Serving-Gateway, serving gateway device
- P-GW Packet Control Function
- PDN- Gateway Packet Control Function
- the mobile communication system includes an SCC AS, an I / S-CSCF, etc. in IMS (IP Multimedia Subsystem).
- IMS IP Multimedia Subsystem
- the mobile communication system according to the present embodiment includes ATCF (Access Transfer Control Function) and ATGW (Access Transfer Gateway). ) Etc.
- ATCF Access Transfer Control Function
- ATGW Access Transfer Gateway
- ATCF and ATGW are devices defined in 3GPP TS23.237 as devices for the SRVCC improvement method, and are similarly applicable to the present invention. That is, in the vSRVCC improvement method, the ATGW is an anchor node configured to perform the above-described switching, and the ATCF is a control device configured to control the ATGW.
- step S101 UE # 1 makes an “Invite (Initial SDP Offer)” to the P-CSCF (or ATCF, the same shall apply hereinafter) according to the video communication transmission operation by the user. Send.
- Ivite Initial SDP Offer
- step S102 the P-CSCF transmits “Invite (Initial SDP Offer)” to the S-CSCF in the IMS.
- step 103 the S-CSCF transmits “Invite (Initial SDP Offer)” to the SCC-AS in the IMS.
- step S104 the SCC-AS transmits “Invite ( Initial SDP Offer) "is transmitted, and in step S105, the S-CSCF transmits" Invite (Initial SDP Offer) "to UE # 2, and in step S106, UE # 2 transmits SCC-AS. Then, “Offer Response” is transmitted to the S-CSCF.
- the SCC-AS or S-CSCF determines the switching method of the video communication.
- the SCC-AS or the S-CSCF determines whether to switch without disconnecting both the video bearer and the voice bearer constituting the video communication path as such a video communication switching method. It is decided to switch without disconnecting only the voice bearer constituting the path for video communication, or neither the video bearer nor the voice bearer constituting the path for video communication is switched (that is, processing of the vSRVCC method) May not be applied).
- the SCC-AS or S-CSCF includes the subscriber profile related to UE # 1, the home network capability of UE # 1 (including information indicating whether video communication can be provided in circuit-switched communication), UE # 1 network capability (including information indicating whether video communication can be provided in circuit-switched communication) or UE # 1 capability (for example, whether video communication can be performed by circuit-switched communication)
- the video communication switching method may be determined on the basis of roaming agreement information, operator policy, or the like.
- step 107 the S-CSCF transmits “Offer Response” including the first vSRVCC information to the P-CSCF.
- the first vSRVCC information includes “application type”, “media information”, and “vSRVCC target presence / absence”.
- the “vSRVCC target presence / absence” may not be included in the “Offer Response”.
- the PCRF receives the first vSRVCC information from the P-CSCF, the “presence / absence of vSRVCC target” may be determined.
- the “application type” is information indicating the type of application used for communication related to the transmission procedure
- the “media information” is the type of communication related to the transmission procedure (information indicating video communication or voice communication, SDP
- the “vSRVCC target presence / absence” is information indicating whether or not each bearer configuring the communication path related to the transmission procedure is a target of switching by the vSRVCC method. .
- the S-CSCF may notify the P-CSCF together with the “video communication switching method”.
- step S109 the P-CSCF transmits “Offer Response” to the UE # 1, and in step S110, the UE # 1 transmits “Response Conf (Opt SDP)” to the P-CSCF. To do.
- step S108 the process for ensuring the resource of the video bearer and audio
- step S108 the process for securing the resource of the video bearer and the voice bearer performed in step S108 (refer to 3GPP TS23.203) will be described, with reference to FIG. 5 and FIG. A process (see 3GPP TS23.401) for securing video bearer and audio bearer resources performed in step S110 will be described.
- step S108b the PCRF transmits “Ack” to the P-CSCF.
- step S108c the PCRF determines a policy related to the video communication.
- step S108e the PCRF transmits the second vSRVCC information to the P-GW. Including “Policy and Charging Rules Provision”.
- the second vSRVCC information includes the above-mentioned “media information (QoS Rule, QoS Information, etc.)” and “vSRVCC target presence / absence”. Further, the second vSRVCC information may include information related to the video communication switching method described above.
- the PCRF is a target of switching by the vSRVCC method from “application type”, “media information”, etc. set in the first vSRVCC information. You may determine about.
- step S108d the Gateway Control process and the QoS Rules provision process are performed.
- PMIP Proxy Mobile IP
- the PCRF can notify the above-described second vSRVCC information to the eNB by these processes. This process may be performed after the process of step S108k.
- the P-GW performs Policy Enforcement processing in Step S108e, and transmits “Credit Request” to the OCS in Step S108g.
- Step S108h the OCS transmits “Credit Response” to the P-GW, and in Step S108i, the P-GW transmits “Create Bearer Request” including the third vSRVCC information to the S-GW. To do.
- the third vSRVCC information includes “bearer context association information” and the above “vSRVCC target presence / absence”.
- the third vSRVCC information may include information related to the above-described video communication switching method.
- the S-GW When the S-GW receives “Create Bearer Request” including the third vSRVCC information from the P-GW in step S108i, as illustrated in FIG. 6, the S-GW includes the third vSRVCC information to the MME in step S123. Send “Create Bearer Request”.
- step S124 the MME holds association information for associating the information related to the video communication switching method described above with the “bearer identifier” indicating the video bearer and the “bearer identifier” indicating the voice bearer.
- “Bearer Setup Request” (including “Session Management Request”) including the fourth vSRVCC information is transmitted.
- the 4th vSRVCC information constitutes a communication path related to the call origination procedure, and “bearer identifier (indicating voice bearer) indicating information of each bearer allocated by the MME by the above“ Create Bearer Request ”.
- association information associating a “bearer identifier” indicating a voice bearer with a “bearer identifier” indicating a video bearer, and the above “vSRVCC target presence / absence”.
- the fourth vSRVCC information may include information related to the above-described video communication switching method.
- step S126 the eNB retains association information that associates the information related to the above-described video communication switching method with the “bearer identifier” indicating the video bearer and the “bearer identifier” indicating the voice bearer, and in step S127, the UE # 1 is transmitted with “RRC Connection Reconfiguration”.
- the MME and eNB use the vSRVCC method for each bearer based on the association information that associates the “bearer identifier” indicating the video bearer and the “bearer identifier” indicating the voice bearer instead of the “vSRVCC target presence / absence” described above. You may judge whether it is the object of switching.
- Step S1208 UE # 1 transmits “RRC Connection Reconfiguration Complete” to the eNB, and in Step S129, the eNB transmits “Bearer Setup Response” to the MME.
- step S130 UE # 1 transmits "Direct Transfer” to the eNB, and in step S131, the eNB transmits "Session Management Response" to the MME.
- step S132 the MME transmits “Create Bearer Response” to the S-GW.
- step S108j the S-GW sends “Create Bearer Response” to the P-GW. ".
- step S108k the P-GW transmits "Ack" to the PCRF.
- step S108l the PCRF transmits "Notification of Bearer Level Event” to the P-CSCF.
- step S108m The P-CSCF transmits “Ack” to the PCRF.
- step S111a when the process for securing the resources of the video bearer and the voice bearer is performed in step S111, as shown in FIG. 5, in step S111a, UE # 1 sends a “Request Bearer Resource Modification” to the MME. Send.
- step S111b the MME transmits “Bearer Resource Command” to the S-GW, and in step S111c, the S-GW transmits “Bearer Resource Command” to the P-GW.
- step S111d “PCEF Initiated IP-CAN (IP Connectivity Access Network) Session Modification Process” is started.
- step S111e the operations in steps S108i to S108j shown in FIG. 6 are performed.
- step S111f the “PCEF Initiated IP-CAN Session Modification Process” ends.
- the MME and the eNB indicate “bearer identifier indicating information and video bearer regarding the video communication switching method”. ”And“ bearer identifier ”indicating a voice bearer can be held, and therefore, using such association, the E-UTRAN of UE # 1 performing video communication with UE # 2 In handover to UTRAN / GERAN, it is possible to decide whether to switch both video bearer and voice bearer, switch only voice bearer, or not switch both video bearer and voice bearer.
- FIG. 7 is a case where the state in which video communication is performed between UE # 1 and UE # 2 is changed to a state in which voice communication is performed between UE # 1 and UE # 2. Indicates.
- step S201 UE # 1 deletes media for requesting the IMS to delete the video bearer via the P-CSCF in response to the video bearer deletion operation by the user. “Invite” including the information indicating is transmitted.
- step S202 the IMS starts a video bearer deletion process in the IP-CAN.
- step S203 the IMS transmits “Application / Service Info” including the first vSRVCC information to the PCRF. Request to be deleted.
- step S204 the PCRF requests the P-GW to delete the above-described video bearer by transmitting “Policy and Charging Rules Provision” including the second vSRVCC information.
- step S205 the P-GW transmits “Delete Bearer Request” including the third vSRVCC information to the S-GW.
- step S206 the S-GW includes the third vSRVCC information to the MME. Send “Delete Bearer Request”.
- step S207 the MME deletes the information related to the video bearer from the stored association information.
- the association information that associates the information related to the video communication switching method with the “bearer identifier” indicating the video bearer and the “bearer identifier” indicating the voice bearer is deleted.
- step S208 a “Bearer Release Request” including the fourth vSRVCC information (including “Session Management Request”) is transmitted to the eNB.
- E-RAB Release Command or “E-RAB Modify Request” or the like is used as “Session Management Request”.
- step S209 the eNB deletes the association information that associates the information related to the stored video communication switching method with the “bearer identifier” indicating the video bearer and the “bearer identifier” indicating the voice bearer, and in step S210, “RRC Connection Reconfiguration” is transmitted to UE # 1.
- Step S211 UE # 1 transmits “RRC Connection Reconfiguration Complete” to the eNB, and in Step S212, the eNB transmits “Bearer Release Response” to the MME.
- step S213 UE # 1 transmits “Direct Transfer” to the eNB, and in step S214, the eNB transmits “Session Management Response” to the MME.
- step S215 the MME transmits “Delete Bearer Response” to the S-GW, and in step S216, the S-GW transmits “Delete Bearer Response” to the P-GW.
- step S217 the P-GW transmits “Ack” to the PCRF.
- FIG. 8 is a case where the state in which voice communication is performed between UE # 1 and UE # 2 is changed to a state in which video communication is performed between UE # 1 and UE # 2. Indicates.
- step S301 UE # 1 adds media for requesting the IMS to add a video bearer to the IMS via the P-CSCF in response to the video bearer addition operation by the user. “Invite” including the information indicating is transmitted.
- step S302 the IMS starts a process for adding a video bearer in the IP-CAN.
- step S303 the IMS transmits “Application / Service Info” including the first vSRVCC information to the PCRF, whereby the video bearer described above is transmitted. Request to add.
- step S304 the PCRF requests the P-GW to add the above-mentioned video bearer by transmitting “Policy and Charging Rules Provision” including the second vSRVCC information.
- step S305 the P-GW transmits “Create Bearer Request” including the third vSRVCC information to the S-GW, and in step S306, the S-GW includes the third vSRVCC information to the MME. Send “Create Bearer Request”.
- step S307 the MME creates a video bearer context, and holds association information that associates information related to the allocated video bearer with information related to the audio bearer to which the video bearer is to be added.
- step S308 the MME transmits “Bearer Setup Request” (including “Session Management Request”) including the fourth vSRVCC information to the eNB.
- E-RAB Setup Request or “E-RAB Modify Request” or the like is used as “Session Management Request”.
- the eNB retains the received association information in step S309, and transmits “RRC Connection Reconfiguration” to UE # 1 in step S310.
- step S311 UE # 1 transmits “RRC Connection Reconfiguration Complete” to the eNB, and in step S312, eNB transmits “Bearer Setup Response” to the MME.
- step S313 UE # 1 transmits “Direct Transfer” to the eNB, and in step S314, the eNB transmits “Session Management Response” to the MME.
- step S315 the MME transmits “Create Bearer Response” to the S-GW, and in step S316, the S-GW transmits “Create Bearer Response” to the P-GW.
- step S317 the P-GW transmits “Ack” to the PCRF.
- the first feature of this embodiment is that E-UTRAN (first radio access network that does not support circuit-switched communication), a mobile transmission network that accommodates E-UTRAN, and UTRAN / GERAN (supports circuit-switched communication) Second radio access network) and IMS (service control network), and UE # 1 (first mobile station) and UE # 2 (second mobile station) using the vSRVCC scheme or the vSRVCC improvement scheme.
- a mobile communication method in a mobile communication system capable of switching from a route via E-UTRAN to a route via UTRAN / GERAN without disconnecting a route for video communication performed between When setting up the video bearer and the voice bearer constituting the communication path, the IMS performs such video communication.
- a step of determining a switching method of the mobile communication network and the eNB (a radio base station in the first radio access network), information on the determined switching method, information on the video bearer, and information on the voice bearer Maintaining association information to associate, UE # 1 requests IMS to delete the video bearer, and IMS requests the mobile transport network to delete the video bearer.
- the mobile transmission network deletes the information related to the video bearer from the association information, and requests the eNB to delete the video bearer.
- a step of deleting information related to the video bearer from the association information in response to a request from the network. This is the gist.
- the UE # 1 requests the IMS to add a video bearer, and the IMS adds the video bearer to the mobile transport network.
- the mobile transmission network adds information related to the video bearer to the association information, and requests the eNB to add the video bearer.
- a step of adding information related to the video bearer to the association information in response to a request from the mobile transmission network.
- the information related to the switching method includes switching between video bearer and audio bearer without disconnecting, switching without disconnecting only audio bearer, video bearer and audio bearer. May also indicate either no switching without disconnection.
- the operation of the eNB may be implemented by hardware, may be implemented by a software module executed by a processor, or may be implemented by a combination of both.
- the software modules include RAM (Random Access Memory), flash memory, ROM (Read Only Memory), EPROM (Erasable Programmable ROM), EEPROM (Electronically Erasable and Programmable, Removable ROM, Hard Disk, and Removable ROM).
- RAM Random Access Memory
- flash memory ROM (Read Only Memory)
- EPROM Erasable Programmable ROM
- EEPROM Electrically Erasable and Programmable, Removable ROM, Hard Disk, and Removable ROM.
- it may be provided in a storage medium of an arbitrary format such as a CD-ROM.
- the storage medium is connected to the processor so that the processor can read and write information from and to the storage medium. Further, such a storage medium may be integrated in the processor. Such a storage medium and processor may be provided in the ASIC.
- ASICs are MSC server, CS-MGW, MME, SGSN, S-GW, P-GW, P-CSCF, I / S-CSCF, SCC AS, ATCF, ATGW, HSS, MSC, UE # 1, UE # 2. It may be provided in the eNB.
- such a storage medium and a processor include a discrete component such as an MSC server, CS-MGW, MME, SGSN, S-GW, P-GW, P-CSCF, I / S-CSCF, SCC AS, ATCF, ATGW, HSS, It may be provided in the MSC, UE # 1, UE # 2, and eNB.
- a discrete component such as an MSC server, CS-MGW, MME, SGSN, S-GW, P-GW, P-CSCF, I / S-CSCF, SCC AS, ATCF, ATGW, HSS, It may be provided in the MSC, UE # 1, UE # 2, and eNB.
- the present invention when the UE # 1 that is performing video communication with the UE # 2 is handed over from the E-UTRAN to the UTRAN / GERAN, such a method for switching the video communication is provided. It is possible to provide a mobile communication method capable of providing a mechanism for determining.
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Abstract
Description
図1乃至図8を参照して、本発明の第1の実施形態に係る移動通信システムについて説明する。
eNB…無線基地局
MME…移動管理ノード
SGSN…パケット交換機
MSC…回線交換機
S-GW、P-GW…ゲートウェイ装置
Claims (7)
- 回線交換通信をサポートしていない第1無線アクセスネットワークと、該第1無線アクセスネットワークを収容する移動伝達ネットワークと、回線交換通信をサポートしている第2無線アクセスネットワークと、サービス制御ネットワークとを具備しており、第1移動局と第2移動局との間で行われるビデオ通信用の経路を切断することなく該第1無線アクセスネットワークを介した経路から該第2無線アクセスネットワークを介した経路に切り替えることができる移動通信システムにおける移動通信方法であって、
前記ビデオ通信用の経路を構成するビデオベアラ及び音声ベアラを設定する場合に、前記サービス制御ネットワークが、該ビデオ通信の切り替え方法について決定する工程と、
前記移動伝達ネットワークが、決定された前記切り替え方法に係る情報と前記ビデオベアラに係る情報と前記音声ベアラに係る情報とを保持する工程と、
前記移動伝達ネットワークによって保持された前記切り替え方法に係る情報と前記ビデオベアラに係る情報と前記音声ベアラに係る情報とに基づいて、前記第1移動局と前記第2移動局との間で行われるビデオ通信用の経路を、前記第1無線アクセスネットワークを介した経路から該第2無線アクセスネットワークを介した経路に切り替える工程とを有することを特徴とする移動通信方法。 - 前記第1移動局が、前記サービス制御ネットワークに対して、前記ビデオベアラを削除するように要求する工程と、
前記サービス制御ネットワークが、前記移動伝達ネットワークに対して、前記ビデオベアラを削除するように要求する工程と、
前記移動伝達ネットワークが、前記サービス制御ネットワークからの要求に応じて、保持している前記ビデオベアラに係る情報を削除し、前記第1無線アクセスネットワーク内の無線基地局に対して、前記ビデオベアラを削除するように要求する工程とを有することを特徴とする請求項1に記載の移動通信方法。 - 前記第1移動局が、前記サービス制御ネットワークに対して、前記ビデオベアラを追加するように要求する工程と、
前記サービス制御ネットワークが、前記移動伝達ネットワークに対して、前記ビデオベアラを追加するように要求する工程と、
前記移動伝達ネットワークが、前記サービス制御ネットワークからの要求に応じて、前記ビデオベアラに係る情報を前記保持している情報に追加し、前記無線基地局に対して、前記ビデオベアラを追加するように要求する工程とを有することを特徴とする請求項1に記載の移動通信方法。 - 前記切り替え方法に係る情報は、前記ビデオベアラ及び前記音声ベアラの両方を切断することなく切り替えることを示すことを特徴とする請求項1乃至3の何れか一項に記載の移動通信方法。
- 回線交換通信をサポートしていない第1無線アクセスネットワークと、該第1無線アクセスネットワークを収容する移動伝達ネットワークと、回線交換通信をサポートしている第2無線アクセスネットワークと、サービス制御ネットワークとを具備しており、第1移動局と第2移動局との間で行われるビデオ通信用の経路を切断することなく該第1無線アクセスネットワークを介した経路から該第2無線アクセスネットワークを介した経路に切り替えることができる移動通信システムにおける移動通信方法であって、
前記移動伝達ネットワークに含まれる移動管理ノードが、前記サービス制御ネットワークより通知された前記ビデオ通信用の経路の切り替え方法に係る情報と前記ビデオベアラに係る情報と前記音声ベアラに係る情報とを保持する工程と、
前記移動伝達ネットワークによって保持された前記切り替え方法に係る情報と前記ビデオベアラに係る情報と前記音声ベアラに係る情報とに基づいて、前記第1移動局と前記第2移動局との間で行われるビデオ通信用の経路を、前記第1無線アクセスネットワークを介した経路から該第2無線アクセスネットワークを介した経路に切り替える工程とを有することを特徴とする移動通信方法。 - 前記移動伝達ネットワークに含まれるポリシー及び課金ルール装置が、前記第1無線アクセスネットワークを介した経路から該第2無線アクセスネットワークを介した経路への切り替えの対象有無を前記移動伝達ネットワークに含まれるサービングゲートウェイ装置に対して送信する工程と、
前記サービングゲートウェイ装置が、前記ポリシー及び課金ルール装置から受信した前記切り替えの対象有無を前記移動管理ノードに対して送信する工程とを有することを特徴とする請求項1または請求項5に記載の移動通信方法。 - 回線交換通信をサポートしていない第1無線アクセスネットワークと、該第1無線アクセスネットワークを収容する移動伝達ネットワークと、回線交換通信をサポートしている第2無線アクセスネットワークと、サービス制御ネットワークとを具備しており、第1移動局と第2移動局との間で行われるビデオ通信用の経路を切断することなく該第1無線アクセスネットワークを介した経路から該第2無線アクセスネットワークを介した経路に切り替えることができる移動通信システムにおいて用いられる移動管理ノードであって、
前記サービス制御ネットワークより通知された前記ビデオ通信用の経路の切り替え方法に係る情報と前記ビデオベアラに係る情報と前記音声ベアラに係る情報とを保持し、
前記第1無線アクセスネットワーク内の無線基地局に対して、保持した前記切り替え方法に係る情報と前記ビデオベアラに係る情報と前記音声ベアラに係る情報とに基づいて、前記第1移動局と前記第2移動局との間で行われるビデオ通信用の経路を、前記第1無線アクセスネットワークを介した経路から該第2無線アクセスネットワークを介した経路に切り替える要求を送信することを特徴とする移動管理ノード。
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| EP12744772.0A EP2675218A4 (en) | 2011-02-07 | 2012-02-07 | MOBILE COMMUNICATION PROCESS AND MOBILE ADMINISTRATIVE KNOWLEDGE |
| AU2012215743A AU2012215743B2 (en) | 2011-02-07 | 2012-02-07 | Mobile communication method and mobility management node |
| CA2826668A CA2826668C (en) | 2011-02-07 | 2012-02-07 | Mobile communication method and mobility management node |
| BR112013019974A BR112013019974A2 (pt) | 2011-02-07 | 2012-02-07 | método de comunicação móvel e nó de gerenciamento de mobilidade |
| KR1020137021230A KR101364263B1 (ko) | 2011-02-07 | 2012-02-07 | 이동통신방법 및 이동 관리 노드 |
| US13/984,002 US9253437B2 (en) | 2011-02-07 | 2012-02-07 | Mobile communication method and mobility management node |
| CN201280007931.3A CN103348736B (zh) | 2011-02-07 | 2012-02-07 | 移动通信方法及移动管理节点 |
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| WO2014034058A1 (ja) * | 2012-08-29 | 2014-03-06 | 日本電気株式会社 | 音声通信ネットワークシステム、通信制御装置、移動通信装置、通信制御方法およびプログラム記憶媒体 |
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| EP3308595B1 (en) * | 2015-06-10 | 2021-08-18 | Telefonaktiebolaget LM Ericsson (publ) | Establishing an interaction session on a bearer in a radio communication network |
| JP6743824B2 (ja) | 2015-09-14 | 2020-08-19 | 日本電気株式会社 | 通信方法及び基地局 |
| CN106102103A (zh) * | 2016-05-27 | 2016-11-09 | 努比亚技术有限公司 | 通话模式切换装置及方法 |
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| EP2675218A4 (en) | 2015-04-08 |
| CA2826668C (en) | 2016-12-20 |
| EP2675218A1 (en) | 2013-12-18 |
| CN103348736A (zh) | 2013-10-09 |
| US20130321558A1 (en) | 2013-12-05 |
| BR112013019974A2 (pt) | 2019-09-24 |
| AU2012215743A1 (en) | 2013-09-05 |
| AU2012215743B2 (en) | 2015-03-26 |
| KR101364263B1 (ko) | 2014-02-14 |
| CN103348736B (zh) | 2015-06-24 |
| JP5063787B2 (ja) | 2012-10-31 |
| KR20130102124A (ko) | 2013-09-16 |
| CA2826668A1 (en) | 2012-08-16 |
| JP2012165201A (ja) | 2012-08-30 |
| US9253437B2 (en) | 2016-02-02 |
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