WO2012051893A1 - Procédé et dispositif de traitement de service - Google Patents

Procédé et dispositif de traitement de service Download PDF

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Publication number
WO2012051893A1
WO2012051893A1 PCT/CN2011/079965 CN2011079965W WO2012051893A1 WO 2012051893 A1 WO2012051893 A1 WO 2012051893A1 CN 2011079965 W CN2011079965 W CN 2011079965W WO 2012051893 A1 WO2012051893 A1 WO 2012051893A1
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WO
WIPO (PCT)
Prior art keywords
terminal device
mme
service
service request
domain
Prior art date
Application number
PCT/CN2011/079965
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English (en)
Chinese (zh)
Inventor
张娟
Original Assignee
电信科学技术研究院
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 电信科学技术研究院 filed Critical 电信科学技术研究院
Publication of WO2012051893A1 publication Critical patent/WO2012051893A1/fr

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Classifications

    • 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

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a service processing method and device. Background technique
  • the multimedia priority service allows the national security department or emergency reserve department users to use high priority calls over the public network. For this type of service, the transmission of such services is guaranteed even if the network is in a special state, such as a congested state.
  • the users of such services are usually government-authorized individuals, emergency management agencies or other authorized individuals.
  • the evolved multimedia service supports the priority processing of the IMS (IP Multimedia Subsystem, IP Multimedia Subsystem) service, the priority processing of the EPS (Evolved Packet System) service, and the priority processing of the circuit domain service.
  • IMS IP Multimedia Subsystem
  • EPS Evolved Packet System
  • the network provides end-to-end priority processing, including NAS
  • AS Access-Stratum
  • the emergency bearer service is used to provide an IMS emergency session.
  • the emergency bearer service can be used for a UE (User Equipment, which is a terminal device), and can also be used for a UE in a restricted mode state. Even if the UE cannot camp on a suitable cell for a suitable celK, or the UE does not insert a SIM (Subscriber Identity)
  • SIM Subscriber Identity
  • UE receives the response message of some location registration (such as the indication "illegal UE"), the UE may still initiate emergency bearer service.
  • LTE Long Term Evolution
  • PS Packet Switched, packet switched
  • CS Circuit Switched
  • 2G 2nd Generation, 2nd Generation Mobile Telecommunications System
  • 3G 3rd Generation, 3rd Generation Mobile Telecommunications System
  • the LTE multimode terminal of the circuit switched service can also initiate or receive circuit switched services after accessing the LTE system.
  • CS Fallback mechanism is introduced in the LTE system for this problem.
  • the essence of CS Fallback is that the multi-mode terminal residing on the LTE network needs to establish a CS domain session, and the network will fall back to the 2G/3G CS domain network.
  • the UE is always on the CS domain network. After the voice service ends, the UE can return to the LTE network.
  • the UE After the UE falls back to the CS domain, it can initiate circuit switched services, but the packet switched services activated in the LTE system cannot be maintained in the CS domain. If the terminal and the fallback system can support the packet switching process, when the CS Fallback occurs, the packet switched service bearer activated by the UE in the LTE can be switched to the PS domain network of the fallback system. If the terminal or fallback system does not support the handover process of packet switching, the UE-activated packet switched service will be terminated once the CS Fallback process occurs.
  • the UE If the UE has activated or is about to activate a high priority service, if the UE initiates the CS Fallback process, the UE must fall back to the 2G/3G system. If the back-off system does not support PS handover, the PS-activated PS service will be terminated after the CS Fallback occurs, and the activated high-priority service will also be terminated, which seriously affects the continuity of the high-priority service.
  • the present invention provides a service processing method and device, which solves the problem of how to prioritize high-priority services when the current priority service conflicts with the CS domain service request.
  • an embodiment of the present invention provides a service processing method, which is applied to an LTE system, where the method includes:
  • the MME determines whether the terminal device currently has a high priority service activated or being activated;
  • an embodiment of the present invention further provides an MME, which is applied to an LTE system, and includes:
  • a communication module configured to receive a CS domain service request of the corresponding terminal device
  • a determining module configured to: when the communication module receives the CS domain service request of the corresponding terminal device, determine whether the terminal device currently has a high priority service activated or activated;
  • a processing module configured to determine whether to perform CS Fallback processing on the terminal device according to a trigger cause or content of the CS domain service request received by the communication module when the determination result of the determining module is present.
  • the MME may trigger the new CS domain service request according to the received terminal device or The content is determined whether the CS Fallback process is performed on the CS domain service request, thereby preventing the high priority service from being interrupted due to the normal service, ensuring the continuity of the high priority service, and solving the current priority service conflicting with the CS domain service request.
  • the MME may trigger the new CS domain service request according to the received terminal device or The content is determined whether the CS Fallback process is performed on the CS domain service request, thereby preventing the high priority service from being interrupted due to the normal service, ensuring the continuity of the high priority service, and solving the current priority service conflicting with the CS domain service request.
  • FIG. 1 is a schematic flowchart of a service processing method according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of an MME according to an embodiment of the present invention.
  • high-priority services such as eMPS and IMS emergency call services are introduced, and the network has higher priority in processing eMPS and IMS emergency (commercial) services than ordinary services.
  • eMPS and IMS emergency (commercial) services can still access the network normally.
  • a CS Fallback mechanism is introduced in the LTE system.
  • the UE After the UE actively initiates or receives the paging of the CS domain, the UE will fall back to the 2G/3G system to receive the circuit domain service. If the network does not support the PS handover process from the source base station to the target base station, after CS Fallback, the UE will release the connection in the LTE cell and reselect to the target cell, and establish a CS domain connection with the target cell. At this time, the UE can only receive the services of the CS domain, but cannot receive the services of the PS domain.
  • an embodiment of the present invention provides a new CS domain according to a new The reason or content of the trigger of the service request determines whether the service processing method of CS Fallback processing is executed.
  • FIG. 1 a schematic flowchart of a service processing method according to an embodiment of the present invention is applied to an LTE system, where the method specifically includes the following steps:
  • Step S101 The MME receives a CS domain service request of the corresponding terminal device.
  • the CS domain service request received by the MME may include the following two types:
  • Step S102 The MME determines whether the terminal device currently has a high priority service activated or being activated.
  • step S103 is performed
  • step S104 is performed.
  • the specific processing procedure in this step is: The MME determines, according to the current service information record corresponding to the terminal device and/or the context information corresponding to the terminal device, whether the terminal device currently has a high priority of activation or activation. Level business.
  • the MME records the corresponding service information, and if the terminal device has a high-priority service that has been activated or is being activated, the terminal device The corresponding information may also exist in the context information.
  • the MME may also determine, by using the record information in the context information, whether the terminal device currently has a high priority service that has been activated or is being activated. Judging the processing does not affect the scope of protection of the present invention.
  • Step S103 The MME performs CS Fallback processing on the terminal device according to the CS domain service request.
  • Step S104 The MME determines whether to perform CS Fallback processing on the terminal device according to the trigger cause or content of the CS domain service request.
  • step S101 the processing of this step also includes the following two situations:
  • Case 1 When the CS domain service request of the corresponding terminal device received by the MME is specifically the Extended Service Request message sent by the terminal device, the MME determines whether to perform CS Fallback on the terminal device according to the triggering reason of the CS domain service request. deal with.
  • the triggering reason for the CS domain service request can be determined by the following methods:
  • the specific processing of this step is divided into the following cases according to the specific type of the triggering cause:
  • the MME determines that the triggering of the CS domain service request is triggered by a normal service procedure, the MME refuses to perform CS Fallback processing on the terminal device.
  • the normal service process may be a normal MO (Mobile Origination call, CS Fallback or lxCS Fallback process, or a normal MT (Mobile Termination call, CS Fallback or lxCS Fallback process).
  • MO Mobile Origination call, CS Fallback or lxCS Fallback process
  • MT Mobile Termination call, CS Fallback or lxCS Fallback process
  • the MME determines that the triggering of the CS domain service request is triggered by the high priority service, the MME performs CS Fallback processing on the terminal device.
  • the high-priority service specifically includes the emergency service of the CS domain or the enhanced multi-level precedence and preemption (enhanced multi-priority preemption and preemption) service.
  • the MME refuses to perform CS Fallback processing on the terminal device, specifically:
  • the MME sends a Service Reject message to the terminal device, where the Service Reject message carries the corresponding Rejection Reason indication information.
  • the foregoing rejection reason indication information is specifically CS domain temporarily not available information, or reason information corresponding to the current high priority service and unable to perform CS Fallback processing.
  • the reason information corresponding to the current high-priority service but not the CS Fallback processing may be a preset new cause value information, and the specific content may be set according to actual scene requirements. It does not affect the scope of protection of the present invention.
  • Case 2 When the CS domain service request of the corresponding terminal device received by the MME is specifically the paging request message corresponding to the terminal device sent by the MSC, the MME determines whether the high-priority indication information is carried in the CS domain service request, The CS Fallback process is performed on the terminal device.
  • the processing in this case specifically includes the following processes:
  • the MME determines whether the high priority indication information is carried in the paging request message. If the MME determines that the paging request message is triggered by the high priority service procedure, the MME determines to perform CS Fallback processing on the terminal device, and sends a paging message of the CS domain to the terminal device to perform a corresponding paging operation.
  • the MME determines that the paging request message is not triggered by the high priority service procedure, and the MME refuses to perform CS Fallback processing on the terminal device.
  • the implementation process of the foregoing MME rejecting the CS Fallback processing on the terminal device is specifically:
  • the MME sends a reject message to the MSC, and the reject message carries the corresponding reject reason indication information, so that the MSC suspends the paging request message triggered by the normal CS domain service.
  • the reject reason indication information is specifically a Mobile terminating CS Fallback call rejected by the user information, or a high priority service exists with the current terminal device, and the CS Fallback process cannot be performed. Corresponding reason information.
  • the reason information corresponding to the current high-priority service but not the CS Fallback processing may be a preset new cause value information, and the specific content may be set according to actual scene requirements. It does not affect the scope of protection of the present invention.
  • the MME may trigger the new CS domain service request according to the received terminal device or The content is determined whether the CS Fallback process is performed on the CS domain service request, thereby preventing the high priority service from being interrupted due to the normal service, ensuring the continuity of the high priority service, and solving the current priority service conflicting with the CS domain service request.
  • the technical aspects of the embodiments of the present invention are described in detail below with reference to specific implementation scenarios.
  • the MME determines whether the UE has a high priority service activated or activated, such as an eMPS service or an IMS emergency service.
  • the corresponding processing includes the following three cases:
  • Case A The Extended Service Request message sent by the UE is triggered by the normal MO CS Fallback or lxCS Fallback process.
  • the MME may pass the RRC cause in the SI message (if the UE is an Extended Service Request message initiated in the idle state at this time) or the Service Type in the Extended Service Request message (if the UE is in the connected state, the Extended is initiated). Service Request message) to get.
  • the MME will not perform the CS Fallback process after receiving the Extended Service Request message, but return a service reject message to the UE and carry cause# 39 indicates ' 'CS domain temporarily not available'.
  • Case B The Extended Service Request message sent by the UE is caused by MT CS Fallback or lxCS Fallback.
  • the MME further determines whether the MT process is a high priority service, such as CS emergency or eMLPP service.
  • the MME does not perform the CS Fallback process, but returns a service reject message to the UE with the cause#39 indicating "CS domain temporarily not available".
  • the MME will perform the CS Fallback process after receiving the Extended Service Request message.
  • the MME if the MME receives the paging trigger of the MSC that is uploaded by the MSC from the SGs interface, the MME needs to determine whether the UE has the activated high priority service at this time, and if so, the MME further determines the paging from the SGs. Whether the trigger has a high priority indication (the paging request sent by the MSC to the MME carries a priority indication).
  • the MME If the paging trigger does not have a high priority indication, that is, the paging of the SGs interface is caused by the normal CS service, the MME returns a reject message to the MSC, and the "Mobile terminating CS Fallback call rejected by the user" may be used in the reject message.
  • Cause can also redefine the new cause to inform the MSC that the UE has a high priority PS service CS Fallback call that is currently temporarily unavailable. After receiving the new cause, the MSC will suspend the paging request caused by the normal CS service to the MME for a period of time.
  • the MME performs a normal process to initiate a paging message of the CS domain to the UE.
  • the MME may trigger the new CS domain service request according to the received terminal device or The content is determined whether the CS Fallback process is performed on the CS domain service request, thereby preventing the high priority service from being interrupted due to the normal service, ensuring the continuity of the high priority service, and solving the current priority service conflicting with the CS domain service request.
  • the present invention further provides an MME, which is applied to an LTE system, and a schematic structural diagram thereof is shown in FIG. 2, and specifically includes:
  • the communication module 21 is configured to receive a CS domain service request of the corresponding terminal device, and the determining module 22 is configured to determine, when the communication module 21 receives the CS domain service request of the corresponding terminal device, whether the terminal device currently has an active or active high Priority business.
  • the determining module 22 is specifically configured to:
  • the terminal device Based on the current service information record corresponding to the terminal device and/or the context information corresponding to the terminal device, it is determined whether the terminal device currently has a high priority service activated or active.
  • the processing module 23 is configured to determine whether to perform CS Fallback processing on the terminal device according to the trigger cause or content of the CS domain service request received by the communication module 21 when the determination result of the determining module 22 is present.
  • processing module 23 is further configured to:
  • the CS Fallback process is performed on the terminal device according to the CS domain service request received by the communication module 21.
  • the CS domain service request of the corresponding terminal device received by the communication module 21 specifically includes an Extended Service Request message sent by the terminal device, or a paging request message of the corresponding terminal device sent by the MSC, and a processing module. 23, specifically for:
  • the CS domain service request of the corresponding terminal device received by the communication module 21 is specifically the Extended Service Request message sent by the terminal device, determining whether to perform CS Fallback processing on the terminal device according to the triggering cause of the CS domain service request; or
  • the terminal device When the CS domain service request of the corresponding terminal device received by the communication module 21 is specifically the paging request message of the corresponding terminal device sent by the MSC, whether the terminal device is determined according to whether the CS domain service request carries the high priority indication information Perform CS Fallback processing.
  • the processing module 23 is specifically configured to: when the CS domain service request of the corresponding terminal device received by the communication module 21 is specifically the extended service request message sent by the terminal device, the processing module 23 is specifically configured to:
  • the MME When the triggering of the CS domain service request is triggered by a high priority service, the MME performs CS Fallback processing on the terminal device.
  • the high-priority service includes the emergency service of the CS domain or the eMPLL service.
  • the communication module 21 is further configured to:
  • the processing module 23 determines that the CS Fallback process is refused to be performed on the terminal device, the service Reject message is sent to the terminal device, and the Service Reject message carries the corresponding reject reason indication information;
  • the reason for the rejection reason indication is specifically CS domain temporarily not available information, or the reason information corresponding to the current high priority service and the CS Fallback processing cannot be performed.
  • the processing module 23 is specifically configured to determine whether the paging request message is carried in the paging request message. High priority indication information;
  • the communication module 21 is notified to send a reject message to the MSC, where the reject message carries the corresponding reject reason indication information.
  • the paging request message triggered by the MSC to suspend sending the normal CS domain service to the MME;
  • the reason for the rejection reason indication is specifically the mobile terminating CS Fallback call rejected by the user information, or the reason information corresponding to the current terminal device having a high priority service and not being able to perform CS Fallback processing.
  • the MME may trigger the new CS domain service request according to the received terminal device or The content is determined whether the CS Fallback process is performed on the CS domain service request, thereby preventing the high priority service from being interrupted due to the normal service, ensuring the continuity of the high priority service, and solving the current priority service conflicting with the CS domain service request.
  • the present invention can be implemented by means of software plus a necessary general hardware platform, and of course, can also be through hardware, but in many cases, the former is a better implementation. the way.
  • the technical solution of the present invention which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium, including a plurality of instructions for making a
  • a computer device which may be a personal computer, server, or network device, etc.
  • modules in the apparatus in the embodiments may be distributed in the apparatus of the embodiment according to the description of the embodiments, or may be correspondingly changed in one or more apparatuses different from the embodiment.
  • the modules of the above embodiments may be combined into one module, or may be further split into a plurality of sub-modules.

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

Abstract

Un mode de réalisation de cette invention concerne un procédé et un dispositif de traitement de service et la solution technique proposée permet de déterminer via un MME, lorsqu'un équipement terminal présente un service prioritaire activé ou en cours d'activation, s'il faut exécuter une procédure de secours du CS d'après les causes de l'enclenchement ou le contenu de la demande de service de nouveau CS en provenance de l'équipement terminal, et ce, afin d'éviter l'interruption des services prioritaires par des services de routine, de garantir la continuité des services prioritaires, de résoudre le problème consistant à savoir comment octroyer la priorité et assurer la prestation de services prioritaires lors de conflits surgissant entre un service prioritaire courant et une demande de service du domaine CS.
PCT/CN2011/079965 2010-10-22 2011-09-21 Procédé et dispositif de traitement de service WO2012051893A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201010523462.3 2010-10-22
CN201010523462.3A CN102457830B (zh) 2010-10-22 2010-10-22 业务处理方法和设备

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EP2536238A1 (fr) * 2010-02-09 2012-12-19 Ntt Docomo, Inc. Procédé de communication mobile, dispositif de réseau d'accès radio, et station mobile

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CN103581860A (zh) * 2012-07-23 2014-02-12 中兴通讯股份有限公司 用户设备辅助信息拒绝方法、装置和系统
WO2016106562A1 (fr) * 2014-12-30 2016-07-07 华为技术有限公司 Procédé, dispositif et système de repli à commutation de circuits
CN106922004B (zh) * 2015-12-28 2020-10-16 宇龙计算机通信科技(深圳)有限公司 一种多sim卡终端呼叫控制方法及装置
CN110166266B (zh) * 2018-02-12 2022-05-06 大唐移动通信设备有限公司 一种从节点配置更新的处理方法、主节点及从节点
CN116506907A (zh) * 2020-06-05 2023-07-28 Oppo广东移动通信有限公司 一种确定终端设备行为的方法及装置、终端设备
CN115396827B (zh) * 2021-05-24 2024-01-30 成都鼎桥通信技术有限公司 信息处理的方法、装置、设备、存储介质及程序产品

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