WO2012157429A1 - Procédé de communication mobile et station mobile - Google Patents

Procédé de communication mobile et station mobile Download PDF

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Publication number
WO2012157429A1
WO2012157429A1 PCT/JP2012/061226 JP2012061226W WO2012157429A1 WO 2012157429 A1 WO2012157429 A1 WO 2012157429A1 JP 2012061226 W JP2012061226 W JP 2012061226W WO 2012157429 A1 WO2012157429 A1 WO 2012157429A1
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WO
WIPO (PCT)
Prior art keywords
communication
ims
mobile station
utran
addressed
Prior art date
Application number
PCT/JP2012/061226
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English (en)
Japanese (ja)
Inventor
敬 輿水
威津馬 田中
Original Assignee
株式会社エヌ・ティ・ティ・ドコモ
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社エヌ・ティ・ティ・ドコモ filed Critical 株式会社エヌ・ティ・ティ・ドコモ
Publication of WO2012157429A1 publication Critical patent/WO2012157429A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • 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
    • H04W36/0022—Control or signalling for completing the hand-off for data sessions of end-to-end connection for transferring data sessions between adjacent core network technologies
    • H04W36/00224—Control or signalling for completing the hand-off for data sessions of end-to-end connection for transferring data sessions between adjacent core network technologies between packet switched [PS] and circuit switched [CS] network technologies, e.g. circuit switched fallback [CSFB]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/16—Communication-related supplementary services, e.g. call-transfer or call-hold

Definitions

  • the present invention relates to a mobile communication method and a mobile station.
  • 2G / 3G wireless access system (UTRAN: Universal Terrestrial Radio Access Network / GERAN: GSM EDGE Radio Access Network) and LTE (Long Term Evolver TR system). ) Is known.
  • UTRAN Universal Terrestrial Radio Access Network
  • GERAN GSM EDGE Radio Access Network
  • LTE Long Term Evolver TR system
  • a voice communication is provided in either UTRAN / GERAN or E-UTRAN to a UE (User Equipment, a mobile station) that can access both UTRAN / GERAN and E-UTRAN. be able to.
  • UE User Equipment, a mobile station
  • the mobile communication system is configured to be able to select a domain that provides voice communication to the UE using UE-driven “T-ADS (Terminated-Access Domain Selection)”.
  • T-ADS Terminal-Access Domain Selection
  • the S-CSCF Server Call Session Function, call session control server device
  • IMS IP Multimedia Subsystem, service control network
  • an incoming signal (Invite) for voice communication is transmitted to the SCC-AS (Service Centralization and Continuity Application Server, application server device) in the IMS.
  • SCC-AS Service Centralization and Continuity Application Server, application server device
  • step S503 the SCC-AS transmits an inquiry signal to the HSS (Home Subscriber Server, subscriber management server device).
  • HSS Home Subscriber Server, subscriber management server device.
  • step S504 in response to the inquiry signal, the HSS transmits a domain inquiry signal for inquiring about the domain where the UE is located to the SGSN (Serving GPRS Support Node, packet switch) and the MME.
  • SGSN Serving GPRS Support Node, packet switch
  • step S505 the HSS notifies the SCC-AS of the domain in which the UE is located (E-UTRAN in the example of FIG. 4) by transmitting a response signal to the above inquiry signal.
  • step S506 the SCC-AS determines a domain (E-UTRAN in the example of FIG. 4) to which an incoming signal for voice communication addressed to the UE should be transferred in response to the response signal. Then, an incoming domain instruction signal for instructing E-UTRAN to transfer an incoming signal for voice communication addressed to the UE is transmitted.
  • a domain E-UTRAN in the example of FIG. 4
  • Steps S507 and S508 the S-CSCF instructs the UE that the incoming signal for voice communication addressed to the UE has been received via the E-UTRAN indicated by the incoming domain indication signal. Send a signal.
  • step S509 and S510 when it is determined that the UE cannot support voice communication via IMS according to the capability of the UE or the capability of E-UTRAN, in step S509 and S510, the UE via the E-UTRAN, “REJECT” indicating that voice communication via IMS cannot be supported is transmitted to the S-CSCF.
  • step S511 the S-CSCF transmits such “REJECT” to the SCC-AS.
  • step 512 the SCC-AS determines to provide voice communication using CSFB to the UE in response to the “REJECT”.
  • AV Audio Video
  • UTRAN / GERAN is used for UEs located in E-UTRAN using CSFB (CS Fallback). Need to provide AV communication.
  • the above-described mobile communication system has a problem in that it is not possible to select a domain to which an incoming signal for AV communication addressed to the UE should be transferred using UE-driven “T-ADS”.
  • the present invention has been made in view of the above-described problems, and uses not only the incoming signal for voice communication addressed to the UE but also the AV communication addressed to the UE using the UE-driven “T-ADS”. It is an object of the present invention to provide a mobile communication method and a mobile station capable of appropriately selecting a domain to which an incoming call signal is to be transferred.
  • the first feature of the present invention is that the mobile communication system includes a first radio access network that does not provide circuit switched communication and AV communication via IMS, and a second radio access network that provides circuit switched communication.
  • a communication method when a mobile station is located in a cell under the first radio access network, an incoming indication signal indicating that the IMS has received an incoming signal addressed to the mobile station, When transmitting to the mobile station via the first radio access network, and when the mobile station determines that the type of the incoming signal addressed to the mobile station is AV communication, Transmitting a rejection signal indicating that the AV communication via the IMS cannot be performed, and the IMS sends a CS to the mobile station in response to the rejection signal. And summarized in that a step of deciding to provide the AV communication using the B.
  • the second feature of the present invention is that the mobile is accessible to both the first radio access network that does not provide circuit switched communication and AV communication via IMS and the second radio access network that provides circuit switched communication.
  • a mobile station that is configured to receive an incoming signal addressed to the mobile station from the IMS and a cell under the first radio access network.
  • a transmission configured to transmit to the IMS a rejection signal indicating that AV communication via the IMS cannot be performed when it is determined that the type of the incoming signal addressed is AV communication. It is made a summary.
  • FIG. 1 is an overall configuration diagram of a mobile communication system according to a first embodiment of the present invention.
  • FIG. 2 is a functional block diagram of the SCC-AS according to the first embodiment of the present invention.
  • FIG. 3 is a diagram for explaining the operation of the mobile communication system according to the first embodiment of the present invention.
  • FIG. 4 is a diagram for explaining the operation of a conventional mobile communication system.
  • the mobile communication system includes IMS, HSS, SGSN, MSC (Mobile-service Switching Center, circuit switch), UTRAN / GERAN, P / S-GW, , MME, E-UTRAN, etc.
  • SCC-AS SCC-AS
  • S-CSCF P-CSCF (Proxy Call Session Control Function) and the like are arranged.
  • the UE is configured to be able to access both UTRAN / GERAN and E-UTRAN, and includes a reception unit 11, a determination unit 12, and a transmission unit 13, as shown in FIG. is doing.
  • the receiving unit 11 receives an incoming call instruction signal indicating that an incoming signal for voice communication (Invite @ Voice) addressed to the UE or an incoming signal for AV communication (Invite @ AV) addressed to the UE has been received from the IMS. It is configured.
  • the deciding unit 12 determines whether it is possible to support voice communication via IMS or whether it is compatible with AV communication via IMS according to the UE capability or E-UTRAN capability. Is configured to determine about.
  • the determination unit 12 determines that the type of the incoming signal addressed to the UE is AV communication and determines that AV communication via IMS is not provided in the E-UTRAN, the IMS 12 It is configured to determine that it is not possible to support AV communication via the Internet.
  • the determination unit 12 determines that the type of the incoming signal addressed to the UE is voice communication and determines that voice communication via IMS is not provided in E-UTRAN, It is configured to determine that AV communication via IMS cannot be supported.
  • the transmission unit 13 indicates to the IMS “REJECT” indicating that the voice communication via the IMS cannot be supported. And “REJECT” indicating that AV communication via IMS cannot be supported.
  • the S-CSCF when the S-CSCF receives an incoming signal for AV communication (Invite @ AV) addressed to the UE in step S101, the S-CSCF sends the incoming signal (Invite to the SCC-AS in step S102. ).
  • step S103 the SCC-AS transmits an inquiry signal to the HSS.
  • step S104 the HSS transmits a domain inquiry signal for inquiring about the domain where the UE is located to the SGSN and MME in response to the inquiry signal.
  • step S105 the HSS notifies the SCC-AS of the domain where the UE is located (E-UTRAN in the example of FIG. 3) by transmitting a response signal to the above inquiry signal.
  • step S106 the SCC-AS determines a domain (E-UTRAN in the example of FIG. 3) to which an incoming signal for AV communication addressed to the UE should be transferred in response to the response signal. Then, an incoming domain instruction signal for instructing E-UTRAN to transfer an incoming signal for AV communication addressed to the UE is transmitted.
  • a domain E-UTRAN in the example of FIG. 3
  • the S-CSCF instructs the UE to receive an incoming signal for AV communication addressed to the UE via the E-UTRAN indicated by the incoming domain instruction signal. Send a signal.
  • step S109 and S110 when it is determined that the UE cannot support AV communication via IMS according to the capability of the UE or the capability of E-UTRAN, in step S109 and S110, the UE via the E-UTRAN “REJECT” indicating that AV communication via IMS cannot be supported is transmitted to the S-CSCF.
  • step S111 the S-CSCF transmits such “REJECT” to the SCC-AS.
  • step 112 the SCC-AS determines to provide AV communication using CSFB to the UE in accordance with the “REJECT”.
  • the domain in which not only the incoming signal for voice communication addressed to the UE but also the incoming signal for AV communication addressed to the UE should be transferred in the IMS without impact on the IMS. Can be selected appropriately.
  • the first feature of the present embodiment is that CS communication (circuit switching communication) and E-UTRAN (first radio access network) that does not provide AV communication via IMS and UTRAN / GERAN that provides CS communication
  • a mobile communication method in a mobile communication system including (second radio access network), and when a UE (mobile station) is located in a cell under E-UTRAN, IMS receives an incoming signal addressed to the UE.
  • REJECT rejection signal
  • the second feature of this embodiment is a UE that can access both E-UTRAN and UTRAN / GERAN that do not provide AV communication via IMS, and receives an incoming signal addressed to the UE from IMS.
  • IMS When it is determined that the type of the incoming signal addressed to the UE is AV communication when the reception unit 11 configured as described above is located in a cell under the control of E-UTRAN, IMS is set to IMS.
  • a transmission unit 13 configured to transmit “REJECT” indicating that it is not possible to support AV communication via the network.
  • the operations of the UE, UTRAN / GERAN, MSC, SGSN, E-UTRAN, MME, S / P-GW, P-CSCF, S-CSCF, SCC-AS, and HSS may be performed by hardware. It may be implemented by a software module executed by a processor or 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. Such an ASIC may be provided in the UE, UTRAN / GERAN, MSC, SGSN, E-UTRAN, MME, S / P-GW, P-CSCF, S-CSCF, SCC-AS, and HSS. In addition, such storage media and processors are provided as discrete components in UE, UTRAN / GERAN, MSC, SGSN, E-UTRAN, MME, S / P-GW, P-CSCF, S-CSCF, SCC-AS, and HSS. It may be done.
  • the voice communication incoming signal addressed to the UE is transferred using the UE-driven “T-ADS”.
  • a mobile communication method and a mobile station that can appropriately select a domain to be provided can be provided.
  • UE ... mobile station E-UTRAN, UTRAN / GERAN ... radio access network MSC ... circuit switch SGSN ... packet switch S / P-GW ... gateway device MME ... mobile management node HSS ... subscriber management server device S-CSCF, P-CSCF ... Call session control server device SCC-AS ... Application server device 11 ... Receiving unit 12 ... Determining unit 13 ... Transmitting unit

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

Abstract

Au moyen d'un « T-ADS » activé par un UE, et sans être uniquement pour un signal entrant d'une communication vocale adressée à un UE, la présente invention est apte à sélectionner de façon adéquate un domaine qui doit transférer un signal entrant en vue d'une communication AV adressée à l'UE. Le procédé de communication mobile selon l'invention comprend : une étape au cours de laquelle, quand un UE se trouve dans une cellule d'un réseau E-UTRAN, un sous-système IMS transmet à l'UE, via le réseau E-UTRAN, un signal entrant d'indication qui indique que le sous-système IMS a reçu un signal entrant adressé à l'UE ; une étape au cours de laquelle, quand l'UE a déterminé que le type du signal entrant adressé à l'UE était une communication AV, l'UE transmet au sous-système IMS un message de rejet (« REJECT ») qui indique qu'une communication AV via le sous-système IMS ne peut pas être prise en charge ; et une étape au cours de laquelle le sous-système IMS décide de fournir à l'UE une communication AV qui utilise un CSFB en réponse au message « REJECT ».
PCT/JP2012/061226 2011-05-13 2012-04-26 Procédé de communication mobile et station mobile WO2012157429A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011108858A JP2012244197A (ja) 2011-05-13 2011-05-13 移動通信方法及び移動局
JP2011-108858 2011-05-13

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WO2012157429A1 true WO2012157429A1 (fr) 2012-11-22

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CN104507131A (zh) * 2015-01-04 2015-04-08 中国联合网络通信集团有限公司 VoLTE终端语音业务方案确定方法和VoLTE终端
CN105122882A (zh) * 2013-11-04 2015-12-02 华为技术有限公司 一种网络切换的方法、设备及系统
CN106605429A (zh) * 2014-10-03 2017-04-26 英特尔Ip公司 用于管理电路交换回退呼叫的系统和方法

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WO2018000276A1 (fr) 2016-06-29 2018-01-04 华为技术有限公司 Procédé et appareil de traitement de service

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105122882A (zh) * 2013-11-04 2015-12-02 华为技术有限公司 一种网络切换的方法、设备及系统
CN105122882B (zh) * 2013-11-04 2019-05-10 华为技术有限公司 一种网络切换的方法、设备及系统
CN106605429A (zh) * 2014-10-03 2017-04-26 英特尔Ip公司 用于管理电路交换回退呼叫的系统和方法
CN106605429B (zh) * 2014-10-03 2020-06-19 苹果公司 用于管理电路交换回退呼叫的系统和方法
CN104507131A (zh) * 2015-01-04 2015-04-08 中国联合网络通信集团有限公司 VoLTE终端语音业务方案确定方法和VoLTE终端
CN104507131B (zh) * 2015-01-04 2018-02-23 中国联合网络通信集团有限公司 VoLTE终端语音业务方案确定方法和VoLTE终端

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