WO2012092869A1 - Procédé, terminal et système pour traiter des services à commutation de paquets - Google Patents

Procédé, terminal et système pour traiter des services à commutation de paquets Download PDF

Info

Publication number
WO2012092869A1
WO2012092869A1 PCT/CN2012/070068 CN2012070068W WO2012092869A1 WO 2012092869 A1 WO2012092869 A1 WO 2012092869A1 CN 2012070068 W CN2012070068 W CN 2012070068W WO 2012092869 A1 WO2012092869 A1 WO 2012092869A1
Authority
WO
WIPO (PCT)
Prior art keywords
network
packet switched
switched domain
domain service
terminal
Prior art date
Application number
PCT/CN2012/070068
Other languages
English (en)
Chinese (zh)
Inventor
龚超
宋红萍
Original Assignee
意法·爱立信半导体（北京）有限公司
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 意法·爱立信半导体（北京）有限公司 filed Critical 意法·爱立信半导体（北京）有限公司
Publication of WO2012092869A1 publication Critical patent/WO2012092869A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup

Definitions

  • the present invention relates to the field of mobile communications, and more particularly to a method, terminal and system for processing packet switched domain services.
  • the third generation mobile communication system IMT-2000 (International Mobile Telecom System ⁇ 2000), is an advanced mobile communication system that enables individual end users to use it at any time, anywhere, with anyone, worldwide. Any way to achieve mobile communication and transmission of any information with high quality.
  • Each terminal can use multiple types of services at the same time: so that the subscriber can receive voice calls while connecting to the local area network, and simultaneously perform voice communication and data transmission and reception.
  • GSM/UMTS Universal Mobile Telecommunications System
  • GSMZGPRS Global System for Mobile communications
  • UMTS Universal Mobile Telecommunications System
  • Packet data services which use the mature GSM/GPRS network to ensure the quality of voice services for users, and use advanced UMTS networks to ensure high-quality packet data service speed.
  • the third-generation mobile communication network has insufficient coverage and insufficient optimization in the initial stage of construction, users may use the packet switched domain: service, which may occur due to the third-generation mobile communication network. If the network loses coverage and fails, it cannot provide users with continuous and effective packet switched domain services.
  • the technical problem to be solved by the present invention is to provide a method, a terminal and a system for reestablishing a packet switched domain service, which can provide a user with a continuously effective packet switched domain service.
  • a method of processing a packet switched domain service including:
  • Step 1 When the terminal stops the packet switched domain service of the first network, save the PDP context of the packet switched domain service.
  • Step 2 The terminal according to the PDP context of the packet switched domain service, before the step 1 of the second network, the method includes: when the terminal loses coverage of the first network, stopping at the A packet switched domain service of a network.
  • the method further includes:
  • the terminal searches for the second network and determines whether the condition for reestablishing the packet switching domain service on the second network is satisfied.
  • the method includes:
  • the terminal searches for a second network
  • the method further includes: determining, by the terminal, whether a condition for reestablishing a packet switched domain service on the second network is met.
  • the step 3 includes:
  • the terminal performs a packet switching domain routing area update with the network end device of the second network; the terminal reports the PDP context to the network end device of the second network, so that the network end device of the second network A packet switched domain service is provided in accordance with the PDP context.
  • the first network is a UMTS network, and the second network is a GPRS network; or
  • the second network is a UMTS network, and the first network is a GPRS network.
  • the step of determining, by the terminal, whether the condition for reestablishing the packet switched domain service on the second network is met, the condition is:
  • the terminal camps on the second network and registers successfully, and the second network and the first network belong to the same PLMN.
  • the first network is a UMTS network
  • the second network is a GPRS network
  • the conditions further include:
  • the terminal does not currently perform circuit domain services in the second network
  • the terminal does not currently perform a circuit domain signaling procedure in the second network.
  • a terminal including:
  • a PDP context saving module configured to save a PDP context of the packet switched domain service when the packet switched domain service of the first network is stopped;
  • a packet switched domain service establishing module configured to reestablish a packet switched domain service on the second network according to a PDP context of the packet switched domain service.
  • the terminal further includes:
  • the determining module is configured to determine whether a condition for reestablishing the packet switched domain service on the second network is met.
  • a system for processing a packet switched domain service including: a terminal, a first network, and a second network, wherein the terminal stops the packet switched domain service B of the first network, and saves the packet Switching the PDP context of the domain service; reconstructing the packet switched domain: traffic on the second network according to the PDP context of the packet switched domain service.
  • the terminal stops the packet switched domain service of the first network the PDP context of the packet switched domain service is saved, so that the terminal reconstructs on the second network according to the PDP context of the packet switched domain service.
  • Packet switched domain services Since the PDP context contains the IP address information of the terminal, it will not cause the packet switched domain industry due to changing the IP address of the terminal during the reconstruction process. The application of the service cannot continue, thereby providing users with services for continuous packet switched domain services.
  • Figure 1 is a flow diagram of an embodiment of a method of processing a packet switched domain service of the present invention
  • FIG. 2 is a schematic flow chart of another embodiment of a method for processing a packet switched domain service according to the present invention.
  • FIG. 3 is a schematic flow chart of another embodiment of a method for processing a packet switched domain service according to the present invention.
  • Figure 5 is a schematic structural view of the system of the present invention.
  • FIG. 6 is a schematic flowchart of an application scenario of a method for processing a packet switched domain service according to the present invention
  • FIG. 7 is a schematic flowchart of another application scenario of the method for processing a packet switched domain service according to the present invention. detailed description
  • a method for processing a packet switched domain service includes: Step 1: When a terminal stops a packet switched domain service of a first network, saving a PDP context of the packet switched domain service
  • the step 11 is specifically: the terminal loses the coverage of the first network and stops the packet switched domain service in the first network. Or: the terminal periodically searches for the second network; if the second network is found, stops the packet switched domain service of the first network.
  • Step 12 The terminal according to the PDP context of the packet switched domain service, in the second network Rebuild the packet switched domain service.
  • an embodiment of a method for processing a packet switched domain service includes:
  • Step 21 When the terminal loses coverage of the first network, stopping the packet switched domain service in the first network.
  • Step 22 The terminal saves a PDP context of the packet switched domain service.
  • Step 23 The terminal searches for a second network.
  • Step 24 The terminal determines whether the condition for reestablishing the packet switched domain service on the second network is met.
  • the condition is: the terminal camps on the second network and registers successfully, and the second network belongs to the same PLLM.
  • Step 25 If satisfied, the terminal re-establishes a packet switched domain service on the second network. Specifically, the terminal performs a packet switching domain routing area update with the network end device of the second network; the terminal reports the PDP context to the network end device of the second network, so that the second network The network side device provides the packet switched domain service according to the PDP context; if not, it re-determines after a predetermined time.
  • the first network may be a UMTS network
  • the second network may be a GPRS network
  • the second network may be a UMTS network
  • the first network may be a GPRS network.
  • the second network is a GPRS network
  • the condition is: the terminal is camped on the second network and successfully registered, the second network
  • the first network belongs to the same PLMN; the terminal does not currently perform a circuit domain: service in the second network; the terminal does not currently perform a circuit domain signaling process in the second network.
  • the packet switching domain service is reestablished in the second network, which can maximize the user.
  • FIG. 3 another embodiment of a method for processing a packet switched domain service according to the present invention is shown, include:
  • Step 31 When the first network performs the packet switched domain service, the terminal periodically searches for the second network.
  • Step 32 If the second network is found, the terminal determines whether the condition for reestablishing the packet switched domain service on the second network is met.
  • the condition is: the terminal camps on the second network and registers successfully, and the second network belongs to the same PLMN as the first network.
  • Step 33 If satisfied, stop the packet switched domain service in the first network. Then proceed to the next step. If not, the first network is connected to perform packet switched domain services.
  • Step 34 The terminal saves a PDP context of the packet switched domain service.
  • Step 35 The terminal re-establishes a packet switched domain service on the second network. Specifically, the terminal performs a packet switching domain routing area update with the network end device of the second network; the terminal reports the PDP context to the network end device of the second network, so that the second network The network side device provides packet switched domain services according to the PDP context.
  • the first network may be a UMTS network
  • the second network may be a GPRS network
  • the second network may be a UMTS network
  • the first network may be a GPRS network.
  • the condition is: the terminal is camped on the second network and the registration is successful, the second network
  • the first network belongs to the same PLMN; the terminal does not perform circuit domain service in the second network; the terminal does not perform circuit domain signaling process in the second network.
  • the terminal according to the present invention includes:
  • control module 41 configured to stop a packet switched domain service in the first network
  • the PDP context saving module 42 is configured to save the PDP context of the packet switched domain service when the packet switched domain service of the first network is stopped;
  • the packet switched domain service establishing module 43 is configured to reestablish the packet switched domain service on the second network according to the PDP context of the packet switched domain service.
  • the terminal further comprising:
  • the determining module 44 is configured to determine whether a condition for reestablishing the packet switched domain service on the second network is met.
  • the system for processing a packet switched domain service includes: a terminal 50, a first network 5, and a second network 52, wherein the terminal 50 is configured to stop at the first network 5]
  • the PDP context of the packet switched domain service is preserved when the packet switched domain service is performed; and the packet switched domain traffic is reestablished on the second network 52 according to the PDP context of the packet switched domain service.
  • the present invention provides an apparatus and method for reestablishing a packet switched domain (PS, Packei Switch) service in a single card dual standby system.
  • PS Packei Switch
  • a packet switched domain: service occurs, a failure occurs because the third-generation mobile communication network loses coverage (cannot reside in the UMTS cell)
  • the terminal quickly re-establishes the packet switched domain service in the GSM/GPR.S network to provide users with continuous and effective packet switched domain services; and when the UMTS cell resumes coverage, rapidly switches to UMTS, and provides packet switching services in the UMTS network.
  • the mobile terminal can quickly recover the PS domain service when the UMTS coverage is lost and restored.
  • the terminal includes a UMTS communication mode module, a GPRS communication mode module, and a main control module.
  • the main control module includes: a service reconstruction determination module, a PDP context preservation module, and a service reconstruction control module.
  • the UMTS communication mode module and the GPRS communication mode module are the above-mentioned packet switched domain service establishment modules.
  • the service reconstruction judgment module is the above judgment module.
  • the service reconstruction control module is the above control module.
  • the method includes:
  • Step 1 On the UMTS network PS: The service is in progress, the terminal's UMTS communication mode module reports the loss of the UMTS network coverage, the link fails, and the PS service fails.
  • Step 2 Determine whether to restore the cell coverage in the UMTS network. If yes, proceed to step 10; otherwise, go to step 3.
  • Step 3 The service reconstruction judgment module of the terminal determines whether the state of the GPRS communication mode module meets the following conditions. If the following conditions are met, proceed to step 5 to attempt to reconstruct the PS industry in the GPRS network. Business. If the following conditions are not met, go to step 4.
  • the conditions include:
  • the GPRS communication mode module of the terminal currently resides on the GPRS network, and the registration is successful, and the network of the PS service previously performed with the UMTS communication mode module of the terminal belongs to the same PLMN (Public Land Mo ile-communicati on Network, public) Land i3 ⁇ 4 mobile communication network);
  • PLMN Public Land Mo ile-communicati on Network, public
  • the GPRS communication mode module currently does not perform circuit domain services (such as voice calls, short messages, etc.) in the GPRS network;
  • the GPRS communication mode module currently does not have a circuit domain signaling process (such as location area update, supplementary service, etc.) in the GPRS network.
  • Step 4 The current state does not meet the conditions described in step 3, the current terminal is temporarily unable to reestablish the PS service in the GPRS network, and the PDP context saving module maintains the PDP (Packet Data Protocol) context of the PS service, and temporarily does not initiate Business reconstruction.
  • PDP Packet Data Protocol
  • Step 5 The service reestablishment control module requests the GPRS communication mode module to initiate a PS domain routing area update (Routing Area. Update) on the GPRS network in the Routing Area Update Request signaling, and in the signaling Report PDP context status (IE)
  • a PS domain routing area update (Routing Area. Update) on the GPRS network in the Routing Area Update Request signaling, and in the signaling Report PDP context status (IE)
  • Step 6 the GPRS communication mode module determines whether the data service is successfully reconstructed in the GPRS network according to the signaling returned by the GPRS network; if the signaling of the GPRS network reply is: Routing Area Update Accept signaling, the data service is The GPRS network was successfully rebuilt. If the signaling of the GPRS network reply is: Routing Area Update Reject signaling or other reasons fail, the data service reestablishment fails. Refer to 3GPP TS24.008, Chapter 4, Chapter 7.5, to determine the reason for the failure of the GPRS network reply, to perform the next action (retry or abandon the PS service after the timer expires.) If the reference is required, the reason for the failure of the reconstruction does not affect the PS. In the service state, the PDP context saving module continues to maintain the PDP context of the PS service, waiting for re-reestablishment or UMTS network recovery coverage; otherwise, relinquishing the PS service in GPRS.
  • Step 7 the UMTS communication mode module periodically searches for the UMTS network cell, if the search is The UMTS network cell resides on the UMTS network cell.
  • Step 8 The service reconstruction determining module determines whether the current terminal can reestablish the PS service in the UMTS network. If the following conditions are met, proceed to step 9. The conditions are as follows: The current UMTS communication mode module resides in the UMTS network, and the network that performs the PS service before the GMS communication mode module belongs to the same PLMN.
  • Step 9 The main control module notifies the GPRS communication mode module to release the PS link locally on the GPRS network.
  • Step 10 The main control module requests the UMTS communication mode module to initiate a routing area update (Routing Area Update) in the UMTS network cell, and in the routing area update request signaling, simultaneously reporting in the signaling PDP context status (PDF).
  • a routing area update Routing Area Update
  • PDF signaling PDP context status
  • Step 11 the UMTS communication mode module determines the signaling returned by the UMTS network; if the UMTS network replies to the Routmg Area Update Accept signaling, proceeds to step 12; if the UMTS network replies to the routing area update reject (Routing Area Update Reject) The signaling or other reasons failed.
  • Step 12 The UMTS communication mode module initiates a service request (Service Request) signaling in the UMTS network, and the service type (Service T pe) in the signaling is data (Data).
  • Service Request service request
  • Service T pe service type
  • Data data
  • the UMTS network returns Service Accept, and the PS service is successfully reconstructed on the UMTS network.
  • the mobile terminal is a single card dual standby terminal.
  • the mobile terminal is currently in standby on the same carrier's GPRS and UMTS networks, respectively, where the Circuit Switch Area Update is on the GPRS network and the Packet Switched Domain is on the UMTS network.
  • the method includes:
  • the user dials the packet switched domain data service, and the terminal initiates a PDP Context Active Request on the UMTS network, and the network accepts the service (PDP Context Active). Accept), PS business started.
  • the UMTS communication mode module detects the loss of coverage of the UMTS network.
  • the service reestablishment judging module checks the current registration status of the GPRS network, finds that the status is registered, and currently does not perform circuit switched domain services.
  • the GPRS communication mode module initiates a Routing Area Update on the GPRS network, and indicates the current PDP status (ie, carries the PDF context status IE) in the Routing Area Update Request signaling.
  • the network then replies to the Routing Area Update Accept signaling.
  • the routing area update process is complete.
  • the network actively sends a Modify PDP Context Request message, which is the QoS context of the PS service in the GPRS network.
  • the GPRS communication mode module receives the new context and sends a PDP Context Accept signaling.
  • the UMTS communication mode module searches for the UMTS cell, and the service reestablishment judging module evaluates whether the state of the UMTS conforms to the service re-establishment rule. If it is met, the GPRS communication mode module interrupts the PS: service on the GPRS cell, and the UMTS communication mode module attempts to be in the UMTS network. Initiating routing area update request signaling, the network accepts the request, and replies to the Routing Area Update Accept signaling.
  • the UMTS communication mode module initiates a PS domain service request (Service Request) signaling, and the cell service type (Service 'i pe) in the signaling is set to data (Data:.
  • PS domain The recovery process of the service in the UMTS network.
  • the present invention re-initiates the registration on the GPRS network and reconstructs the service.
  • the scheme can continue to maintain the PDP context by continuing to make the ffi PDP context method through the routing area update. Since the PDP context contains the IP address information of the terminal, the application cannot be changed because the IP address of the terminal is changed during the reconstruction process.
  • the terminal when the terminal performs the PS service on the UMTS network, if the UMTS network loses coverage, the terminal transmits the routing area update signaling in the GPRS network, and the signaling carries the PDP context information, and continues to use the same PDP context. , Rebuilding the PS business.
  • the terminal When the terminal performs the PS service on the GPRS network, if there is coverage in the UMTS network, the GPRS network PS link is released locally, and the routing area update signaling (Routing Area Update) signaling and the PS domain service request (Service) signal are transmitted in the UMTS network. Let, use the same PDP context to rebuild the PS service.
  • routing Area Update Routing Area Update
  • Service PS domain service request
  • the terminal When the terminal re-establishes services in the network of different access technologies, it first determines whether the current requirements for the network reconstruction service of the target access technology are met. If no network meets the requirements, the PDP context is retained and no re-establishment is initiated. After the access technology network satisfies the reconstruction condition, the access technology network initiates the reconstruction.
  • the target access technology network rebuilds the service, if the rebuilding condition is not met, whether the periodic detection condition is satisfied; or when the target access technology mode module meets the condition, the active control module is actively notified to detect the reconstruction condition, and the service reconstruction is performed. .
  • the method of reconstructing the packet domain data service in the GPRS network by using the way of zone update is described, and the method of attaching may also be used.
  • the method embodiment is corresponding to the device embodiment, and the part that is not described in detail in the method embodiment refers to the description of the related part, and the partial reference method which is not described in detail in the device embodiment.
  • the description of the relevant parts in the embodiment can be.
  • all or part of the steps of the foregoing embodiments may be implemented by a program to instruct related hardware, and the program may be stored in an readable storage medium.
  • the program when executed, includes the steps of the foregoing method embodiments, such as: a magnetic disk, an optical disk, a read only memory (ROM). Or random access memory (RAM), etc.
  • sequence numbers of the steps are not used to limit the sequence of the steps.
  • the steps of the steps are changed without any creative work. It is also within the scope of the invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

L'invention concerne un procédé, un terminal et un système pour traiter des services à commutation de paquets, lesquels appartiennent au domaine des communications mobiles et qui sont inventés pour résoudre le problème technique d'obtention de services à commutation de paquets continus et efficaces pour l'utilisateur. Le procédé comprend les étapes suivantes : étape 1, le terminal sauvegarde le contexte PDP d'un service à commutation de paquets lors de l'arrêt du service à commutation de paquets dans un premier réseau ; et étape 2, le terminal reconstruit le service à commutation de paquets dans un second réseau selon le contexte PDP du service à commutation de paquets. L'invention peut être appliquée aux terminaux avec carte unique et double veille.
PCT/CN2012/070068 2011-01-06 2012-01-05 Procédé, terminal et système pour traiter des services à commutation de paquets WO2012092869A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201110005546.2 2011-01-06
CN2011100055462A CN102083157A (zh) 2011-01-06 2011-01-06 处理分组交换域业务的方法、终端以及系统

Publications (1)

Publication Number Publication Date
WO2012092869A1 true WO2012092869A1 (fr) 2012-07-12

Family

ID=44088860

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2012/070068 WO2012092869A1 (fr) 2011-01-06 2012-01-05 Procédé, terminal et système pour traiter des services à commutation de paquets

Country Status (2)

Country Link
CN (1) CN102083157A (fr)
WO (1) WO2012092869A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017008572A1 (fr) * 2015-07-14 2017-01-19 广东欧珀移动通信有限公司 Procédé de transmission de service et dispositif de transmission

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102083157A (zh) * 2011-01-06 2011-06-01 意法·爱立信半导体（北京）有限公司 处理分组交换域业务的方法、终端以及系统
CN102355706A (zh) * 2011-07-19 2012-02-15 华为终端有限公司 一种终端承载数据业务的方法及终端
CN104684036B (zh) * 2013-11-27 2019-02-26 中兴通讯股份有限公司 分组数据业务的待机侧切换方法和装置
CN110621049B (zh) * 2018-06-19 2022-01-14 中国移动通信有限公司研究院 一种双模终端的通信方法、装置及双模终端
CN109474966A (zh) * 2018-11-29 2019-03-15 努比亚技术有限公司 移动终端控制方法、移动终端及计算机可读存储介质

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101242643A (zh) * 2007-02-09 2008-08-13 华为技术有限公司 双传输模式切换方法和通用接入网控制器
CN101453719A (zh) * 2007-12-07 2009-06-10 华为技术有限公司 实现互联网协议语音业务切换的方法、系统和设备
CN101772010A (zh) * 2008-12-30 2010-07-07 联芯科技有限公司 分组交换业务小区更新时的终端和网络的异常处理方法
CN102083157A (zh) * 2011-01-06 2011-06-01 意法·爱立信半导体（北京）有限公司 处理分组交换域业务的方法、终端以及系统
CN102123468A (zh) * 2011-03-17 2011-07-13 中兴通讯股份有限公司 一种双网双待终端进行通讯的方法和装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101242643A (zh) * 2007-02-09 2008-08-13 华为技术有限公司 双传输模式切换方法和通用接入网控制器
CN101453719A (zh) * 2007-12-07 2009-06-10 华为技术有限公司 实现互联网协议语音业务切换的方法、系统和设备
CN101772010A (zh) * 2008-12-30 2010-07-07 联芯科技有限公司 分组交换业务小区更新时的终端和网络的异常处理方法
CN102083157A (zh) * 2011-01-06 2011-06-01 意法·爱立信半导体（北京）有限公司 处理分组交换域业务的方法、终端以及系统
CN102123468A (zh) * 2011-03-17 2011-07-13 中兴通讯股份有限公司 一种双网双待终端进行通讯的方法和装置

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017008572A1 (fr) * 2015-07-14 2017-01-19 广东欧珀移动通信有限公司 Procédé de transmission de service et dispositif de transmission
CN106358218A (zh) * 2015-07-14 2017-01-25 广东欧珀移动通信有限公司 用于业务传输的方法及传输设备
IL255968A (en) * 2015-07-14 2018-01-31 Guangdong Oppo Mobile Telecommunications Corp Ltd Method of transmission service and transmission device
US20190021127A1 (en) * 2015-07-14 2019-01-17 Guangdong Opp Mobile Telecommunications Corp. Ltd. Method for service transmission and transmission device
US10531510B2 (en) 2015-07-14 2020-01-07 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method for service transmission and transmission device
RU2716836C2 (ru) * 2015-07-14 2020-03-17 Гуандун Оппо Мобайл Телекоммьюникейшнз Корп., Лтд. Способ передачи данных услуги и передающее устройство
AU2016293154B2 (en) * 2015-07-14 2020-06-11 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method for service transmission and transmission device

Also Published As

Publication number Publication date
CN102083157A (zh) 2011-06-01

Similar Documents

Publication Publication Date Title
WO2018171514A1 (fr) Procédé et dispositif d'indication d'informations
CN103222308B (zh) 在电路交换回退操作期间提供分组交换服务连续性的方法和装置
EP3235292B1 (fr) Utilisation de connexions actives doubles pour un transfert
EP2228970B1 (fr) Procédé, système et dispositif associé pour traiter un service du domaine à commutation de circuits dans un réseau par paquets évolué
US9380496B2 (en) Method of handover of circuit-switched voice call to packet-switched voice call
US9143990B2 (en) Method and device for handling failure of mobility management device in ISR activated scenario
TWI470976B (zh) 計時器組態設定之方法
WO2011136248A1 (fr) Procédé de communication, système et appareil de réseau mobile
US20130331054A1 (en) Paging for csfb in lte connected mode
WO2012092869A1 (fr) Procédé, terminal et système pour traiter des services à commutation de paquets
CN113098822B (zh) 一种恢复ims业务的方法及装置
JP2011211710A (ja) ステートフルな（通信状態を維持する）地理的冗長性を有するモビリティ管理エンティティ（ｍｍｅ）の効率的な配備
US20150098448A1 (en) Method and apparatus for supporting rlf reason detection or handover failure reason detection
CN103841545A (zh) 一种mme池场景能力信息上报的方法及装置
CN102595640B (zh) 无线链路重建方法及系统
Taleb et al. Ensuring service resilience in the EPS: MME failure restoration case
US11910488B2 (en) Enhancement of feature support after interworking
CN101998666A (zh) 一种本地呼叫本地交换的实现方法
US20230217509A1 (en) Method for adding non-3gpp leg to an ma pdu session with 3gpp pdn leg
CN102100114A (zh) 一种移动性管理的方法和终端设备
WO2013091363A1 (fr) Terminal mobile à double mode et à double veille monocarte et son procédé pour effectuer un service
WO2014161288A1 (fr) Terminal mobile à modes multiples et veille double et procédé d'enregistrement de réseau associé
WO2009003402A1 (fr) Procédé, dispositif et système permettant la synchronisation d'état de terminal dans un réseau d'accès mobile sans licence
WO2015085545A1 (fr) Procédé de récupération de service de commutation de paquets (ps), centre de commutation mobile (msc)/enregistreur de localisation de visiteurs (vlr) et entité de gestion de mobilité (mme)
WO2010066188A1 (fr) Procédé, appareil et système de communication pour transfert inter-réseaux

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12732007

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC OF 241013

122 Ep: pct application non-entry in european phase

Ref document number: 12732007

Country of ref document: EP

Kind code of ref document: A1