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WO2009067880A1 - Procédé, système pour la gestion de mobilité d'un terminal et appareil apparenté - Google Patents

Procédé, système pour la gestion de mobilité d'un terminal et appareil apparenté Download PDF

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Publication number
WO2009067880A1
WO2009067880A1 PCT/CN2008/072932 CN2008072932W WO2009067880A1 WO 2009067880 A1 WO2009067880 A1 WO 2009067880A1 CN 2008072932 W CN2008072932 W CN 2008072932W WO 2009067880 A1 WO2009067880 A1 WO 2009067880A1
Authority
WO
WIPO (PCT)
Prior art keywords
user equipment
circuit domain
mobility management
mobile switching
management function
Prior art date
Application number
PCT/CN2008/072932
Other languages
English (en)
Chinese (zh)
Inventor
Geng Wang
Original Assignee
Huawei Technologies Co., Ltd.
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 Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Publication of WO2009067880A1 publication Critical patent/WO2009067880A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/06—Registration at serving network Location Register, VLR or user mobility server

Definitions

  • the embodiments of the present invention relate to the field of communications technologies, and in particular, to a mobility management method, system, and device for a terminal. Background technique
  • WCDMA Wideband Code Division Multiple Access
  • CDMA2000 Code Division Multiple Access
  • TS-CDMA Time Synchronous Code Division Multiple Access
  • WCDMA Mobile Switch Center
  • CS-MGW located in CN (Core Network)
  • Circuit Switch Media Gateway Circuit i or media gateway
  • circuit i or core network circuit Switch Media Gateway, circuit i or media gateway
  • SGSN Server GPRS Support Node
  • GGSN Gateway GPRS Support Node
  • BSS Base Station System
  • Radio Network Subsystem the wireless network subsystem belongs to the AN (Access Network) and is shared by the circuit domain and the packet domain core network.
  • the core network is responsible for service control, which is used to check service subscriptions and provide service logic.
  • the access network provides access capabilities for users, and provides basic signaling and media transmission channels for users to obtain services. basis.
  • Method 1 As shown in Figure 2, the following steps are included:
  • Step s201 When the UE (User Equipment) needs to perform location update, in order to establish a message transmission channel with the MSC/VLR (Visit Local Register), the radio resource management provided by the circuit domain access network is utilized. The function establishes a radio resource connection between the UE and the RNS/BSS to obtain a signaling transmission channel.
  • MSC/VLR Visit Local Register
  • Step s202 The UE sends a location update message to the MSC/VLR through the RNS/BSS.
  • Step s204 The UE releases the established radio resource connection with the RNS/BSS.
  • the second method is shown in Figure 3 and includes the following steps:
  • Step s301 When the UE is located in an area with CS or PS (Packet Switch) coverage, the UE may use the packet domain to perform circuit domain location update, which is reflected by the UE to the SGSN.
  • the CS and PS joint routing area/location area update request is sent.
  • Step s302 the SGSN sends a location update request to the MSC/VLR.
  • Step s303 If the user is a subscription user, the MSC/VLR accepts the location update request of the user, and returns a location update acceptance to the SGSN. Before accepting, the MSC/VLR may go to the HLR to check the user's subscription information.
  • Step s304 The SGSN returns a joint routing area and a location area update request accept message to the UE.
  • the location update is still for the circuit domain access, and the user still needs to pass the circuit domain when performing services (such as making a call).
  • the access mode is not available through packet domain access (for example, VoIP calls cannot be made).
  • SAE System Architecture Evolution
  • MME Mobility Management Entity
  • PDN GW Packet Data Network Gate Way
  • PCRF Policy Control and Charging Rules Function
  • SAE has roaming architecture and non-roaming architecture.
  • SAE provides users with a relatively efficient packet transmission network, which can be used to provide users with VoIP (voice over IP) services.
  • the following uses a non-roaming architecture as an example to illustrate the network configuration of the SAE.
  • the functions of the MME mainly include: mobility management, such as user attachment processing; participation in the establishment of user IP bearers.
  • PDN GW Packet Data Network Gate Way
  • IP address allocation management are: IP address allocation management; bearer policy control; packet filtering.
  • SAE can also support other non-3GPP access methods, such as WLAN (Wireless Local Area Network), WiMAX (World Interoperability for Microwave Access).
  • the UE may not pass.
  • the circuit domain accesses, but uses the packet access to complete the location update of the UE to the circuit domain core network to the circuit domain core network, so that the UE can perform circuit domain services.
  • the UE completes the registration of the packet domain and the circuit domain through the packet domain access, and registers the packet domain and the circuit domain separately from the packet domain access and the circuit domain access respectively, reducing the number of interactions on the wireless interface (reducing Half), which helps to reduce the transmission load of the wireless interface.
  • Step s401 The UE sends a CS and EPS joint tracking area/location area update request to the MME.
  • Step s402 The MME sends a location update request to the MSC/VLR.
  • Step s403 if the user is a subscription user, the MSC/VLR accepts the location update request of the user, and returns a location update acceptance to the MME. Before accepting, the MSC/VLR may go to the HLR to check the user's subscription information.
  • Step s404 The MME returns a joint tracking area and a location area update request accept message to the UE.
  • the inventors have found that the prior art has at least the following problems:
  • An MSC is the target MSC of the current location update of the UE, thereby implementing registration of the UE into the MSC.
  • the embodiments of the present invention provide a mobility management method, system, and device for a terminal, so as to implement a target MSC that selects an MSC as the current location update of the UE.
  • An embodiment of the present invention provides a mobility management method for a terminal, including: a mobility management function, which receives a request message sent by a user equipment, where the request message carries circuit domain location information of the user equipment;
  • the mobility management function determines a target mobile switching center of the location update according to the circuit domain location information
  • the mobility management function instructs the target mobile switching center to cause the target mobile switching center to update the registration status of the user equipment.
  • the embodiment of the present invention further provides a mobility management method for a terminal, including: acquiring, by a user equipment, circuit domain location information of the user equipment;
  • the user equipment sends a request message to the mobility management function, where the request message carries the circuit domain location information of the user equipment, so that the mobility management function determines the target mobile switching of the location update according to the circuit domain location information.
  • the registration status of the user equipment is updated in the target mobile switching center according to the request message.
  • An embodiment of the present invention provides a mobility management system for a terminal, including: a user equipment, configured to send, to a mobility management function entity, a request message sent by a user equipment, where the request message carries a circuit domain location of the user equipment Information
  • a mobility management function configured to determine a target mobile switching center of the location update according to the circuit domain location information, and send an indication to the target mobile switching center to move the target
  • the mobile switching center updates the status of the user equipment.
  • the embodiment of the invention further provides a user equipment, including:
  • a request obtaining unit configured to acquire circuit domain location information of the user equipment
  • a request sending unit configured to send a request message to the mobility management function, where the request message carries circuit domain location information of the user equipment
  • the mobility management function determines a location-changed target mobile switching center based on the circuit domain location information, and the registration status of the user equipment is updated in the target mobile switching center according to the request message.
  • the embodiment of the present invention further provides a mobility management function entity, including: a target determining unit, configured to determine a target mobile switching center of the location update according to the circuit domain location information;
  • an indication sending unit configured to send an indication to the target mobile switching center, to enable the target mobile switching center to update the state of the user equipment.
  • the embodiment of the invention has the following advantages:
  • a mobility management cooperation method between a circuit domain and an enhanced packet domain is provided, and the mobility management of the circuit domain and the paging of the circuit domain are performed by using the packet domain, which is beneficial to improving the enhanced network. Utilization rate.
  • FIG. 1 is a structural diagram of a WCDMA wireless network in the prior art
  • FIG. 5 is a flowchart of a method for managing mobility of a terminal according to an embodiment of the present invention
  • FIG. 6 is a flowchart of determining a relationship between a packet and a circuit domain network by a user UE according to Embodiment 1 of the present invention
  • FIG. 7 is a flowchart of a circuit domain location update by a user UE through packet access according to Embodiment 2 of the present invention.
  • FIG. 8 is a flowchart of a process in which the UE moves to a packet-only access area after the location update is completed in Embodiment 3 of the present invention
  • FIG. 9 is a flowchart of a process of moving a UE to a circuit domain only access area after the location update is completed in Embodiment 4 of the present invention.
  • FIG. 10 is a flowchart of a process in which the UE moves to a circuit domain only access area after the location update is completed in Embodiment 5 of the present invention. detailed description
  • An embodiment of the present invention provides a mobility management method for a terminal.
  • the specific flowchart is as shown in FIG. 5, and includes the following steps:
  • Step s501 The UE performs a location update operation when the UE is powered on, or when the UE changes the location of the circuit domain, including from one circuit domain to another, or enters a circuit domain for the first time.
  • the UE sends a joint update request to the mobility management function entity (MME) in the packetized network (e.g., SAE), which carries the circuit domain location information of the UE.
  • MME mobility management function entity
  • SAE packetized network
  • the step of the UE acquiring the circuit domain location information before the UE sends the joint update request the UE receives the broadcast information of the local circuit domain, selects the circuit domain network according to the broadcast information, and further selects one of the circuit domain networks.
  • the cell, the identification information of the cell is the circuit domain location information.
  • the UE can select the circuit domain or packet network of the same carrier for location update (when the UE selects the circuit domain network and the packet network in the registration process belong to different operators, and because there is no interconnection between operators, registration failed).
  • the circuit domain and the packet network association information may be sent to the UE through the network side device (for example, the MME); or the association relationship information between the packet network and the circuit domain network may be configured in the UE or in the Subscriber Identity Module (SIM) card.
  • SIM Subscriber Identity Module
  • the association information includes: sending, by using a broadcast or the like, the associated circuit domain network information, such as a network number, to the UE in a packet network, or sending the associated packet network information, such as a PLMN, to the UE by means of broadcasting or the like in the circuit domain network.
  • Pulic Land Mobile Network or the same network identification information, such as the network number, is sent to the UE in the packet and circuit domain networks.
  • Step s502 the mobility management function determines the location updated MSC according to the circuit domain location information of the UE.
  • the MME determines the target MSC according to the circuit domain location information of the UE, and combines the correspondence between the circuit domain location information and the MSC, and the corresponding relationship can be configured in the MME.
  • Step s503 The mobility management function interacts with the target MSC, and the MSC updates the state of the UE.
  • step s503 if the UE moves to an area where there is no circuit domain access wireless signal coverage, and the original packet access wireless signal still exists, the UE may indicate the user to the MSC through the mobility management function in the packet network. Unreachable. Thereafter, if the UE re-enters an area with CS coverage, the UE may perform step s501 to step s503 to indicate to the MSC that the UE is reachable.
  • the mobility management function in the packet network sends an indication to the MSC that the MSC no longer passes through the packet network. Send a page to the UE.
  • the UE may perform location update through the circuit domain access, so that the UE can access the service through the circuit domain, and when the MSC receives the location update request of the UE, the MSC selects the circuit domain access to send the paging to the UE.
  • Embodiment 1 of the present invention as shown in FIG. 6, further describes that the UE determines the packet and the circuit.
  • the process of association of a domain network includes the following steps:
  • Step s601 The packet network such as SAE broadcasts the associated circuit domain network identification information to the UE, and the network identity information is the PLMN identifier of the circuit domain network.
  • Step s602 The UE camps according to the circuit domain network determined by the association information.
  • the associated packet network identifier information may also be broadcast by the circuit domain network, and the UE performs location update according to the indicated packet network; or the packet network broadcasts the same packet network identifier information by the identification information of the circuit domain network, and the UE can also associate Circuit domain networks and packet networks.
  • Embodiment 2 of the present invention The UE performs circuit domain location update through packet access, as shown in FIG. 7, and includes the following steps:
  • Step s701 The user UE may send a tracking area or a location area joint update request to the mobility management function in a packet network such as SAE when the user UE is powered on, or when the circuit domain location changes or enters the circuit domain coverage area for the first time. Carrying the circuit domain location information of the UE.
  • a packet network such as SAE
  • Step s702 The mobility management function determines, according to the circuit domain location information of the UE, and the correspondence between the circuit domain location information and the MSC, the target MSC of the location update (such as MSC1 in FIG. 7).
  • Step s703 The mobility management function interacts with the target MSC, and the MSC updates the registration status of the UE.
  • Step s704 The mobility management function returns registration success to the UE.
  • Embodiment 3 of the present invention After the location update is completed, the UE moves to a process of only the packet access area. H has no user UE. The processing in the second embodiment has been completed first, and then the UE moves, and the original circuit domain access signal is lost. As shown in Figure 8, the following steps are included:
  • Step s801 The UE may send a circuit domain access loss indication to the MME when the user UE can perform the foregoing operation when the power is turned on, or when the circuit domain location changes or enters the circuit domain coverage area for the first time.
  • Step s802 The MME sends a UE circuit domain access loss indication to the MSC, and the MSC records the event, and then does not send the paging to the UE through the MME.
  • Step s803 The MME sends a circuit domain access loss indication response to the UE.
  • Embodiment 4 of the present invention After the location update is completed, the UE moves to the processing of only the circuit domain access area. H No User The UE has first completed the processing in Embodiment 2, and then the UE has moved, and the original packet access signal is lost. As shown in FIG. 9, the method includes the following steps: Step s901: The UE finds that the packet access signal is lost.
  • Step s902 The UE sends a location update request to the MSC.
  • Step s903 After receiving the request, the MSC finds that the UE has performed location update through the MME, and then no longer sends a page to the UE through the MME, but sends a page to the UE through the circuit domain access, unless the MSC receives the call again. Location update request of the MME.
  • Step s904 the MSC returns a location update accept to the UE.
  • Embodiment 5 of the present invention After the location update is completed, the UE moves to the processing of only the circuit domain access area. H No User The UE has first completed the processing in Embodiment 2, and then the UE has moved, and the original packet access signal is lost. As shown in FIG. 10, the method includes the following steps: Step slOOl, the MME finds that the UE accesses the network in a packet, for example, periodically tracking the area i or updating the timeout.
  • Step sl002 The MME sends a UE drop indication to the MSC.
  • Step sl003 After receiving the request, the MSC does not send a page to the UE through the MME, but sends a page to the UE through the circuit domain access, unless the MSC receives the location update request or the UE network recovery indication from the MME again.
  • Step sl004 the MME returns a UE drop indication response to the MSC.
  • the embodiment of the present invention further provides a mobility management system for a terminal, including: a user equipment, configured to send, to a mobility management function entity, a request message sent by a user equipment, where the request message carries a circuit domain of the user equipment Location information; a mobility management function, configured to determine a location update destination mobile switching center according to the circuit domain location information, and send an indication to the target mobile switching center, so that the target mobile switching center updates the registration status of the user equipment .
  • the mobility management function is a mobility management entity MME.
  • the user equipment specifically includes: a request obtaining unit, configured to acquire the user setting a circuit area location information; a request sending unit, configured to send a request message to the mobility management function, where the request message carries circuit domain location information of the user equipment, so that the mobility management function is based on the circuit domain
  • the location information determines a target mobile switching center of the location update, the registration status of the user equipment is updated according to the request message in the target mobile switching center; and the circuit domain location information acquiring unit is configured to receive local circuit domain broadcast information. And selecting, according to the broadcast information, a cell in the circuit domain network, where the identifier information of the cell is the circuit domain location information.
  • the association relationship information acquiring unit is configured to use the circuit domain and the packet network association information sent from the packet network or the circuit domain network; or pre-configure the association relationship information of the packet network and the circuit domain network.
  • the mobility management function entity specifically includes: a target determining unit, configured to determine a location update destination mobile switching center according to the circuit domain location information; and an information interaction unit configured to exchange information with the target mobile switching center to enable the target mobile switching
  • the center updates the registration status of the user equipment.
  • a first indicating unit configured to notify the mobile switching center that the user is inaccessible in a circuit domain if the user equipment moves to an area where no circuit domain access wireless signal coverage exists, and the original packet access wireless signal still exists; And the user equipment re-enters the area covered by the circuit domain to access the wireless signal, and then notifies the target mobile switching center to re-update the registration status of the user equipment.
  • a second indicating unit configured to: if the user equipment moves to an area where there is no packet access wireless signal coverage, the mobility management function notifies the mobile switching center, so that the mobile switching center sends the user equipment to the user equipment through the circuit domain call.
  • the target determining unit specifically includes: a correspondence acquiring sub-unit, configured to acquire a correspondence between the circuit domain location information and the target mobile switching center; and a determining sub-unit, configured to: according to the corresponding relationship and the circuit domain in the received request message The location information determines the target mobile switching center.
  • a mobility management cooperation method between a circuit domain and an enhanced packet domain is provided, and the mobility management of the circuit domain and the paging of the circuit domain are performed by using the packet domain, which is beneficial to improving the enhanced network. Utilization rate.
  • a computer device (may be a personal computer, server, or network device, etc.) to perform the methods described in various embodiments of the present invention.

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

Abstract

L'invention porte sur un procédé pour la gestion de mobilité d'un terminal dans les modes de réalisation de la présente invention, qui comprend les opérations suivantes : une fonction de gestion de mobilité reçoit un message de requête provenant d'un équipement utilisateur, ledit message de requête transportant les informations de localisation de domaine circuit dudit équipement utilisateur ; ladite fonction de gestion de mobilité détermine le centre de commutation mobile cible à localisation mise à jour sur la base desdites informations de localisation de domaine circuit ; ladite fonction de gestion de mobilité transmet une indication audit centre de commutation mobile cible pour permettre audit centre de commutation mobile cible de mettre à jour l'état d'enregistrement dudit équipement utilisateur. L'invention porte également sur un système et sur un appareil pour la gestion de mobilité d'un terminal dans les modes de réalisation de la présente invention. Dans les modes de réalisation de la présente invention, l'invention porte sur un procédé pour la coopération de gestion de mobilité entre le domaine circuit et le domaine paquet amélioré, le procédé utilise le domaine paquet pour mettre en œuvre la gestion de mobilité du domaine circuit et pour mettre en œuvre une radiomessagerie pour le domaine circuit, et est propice à améliorer l'usage du réseau amélioré.
PCT/CN2008/072932 2007-11-12 2008-11-04 Procédé, système pour la gestion de mobilité d'un terminal et appareil apparenté WO2009067880A1 (fr)

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CN200710186708.0 2007-11-12
CN2007101867080A CN101437219B (zh) 2007-11-12 2007-11-12 一种终端的移动性管理方法及设备

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US9049677B2 (en) 2008-11-07 2015-06-02 Huawei Technologies Co., Ltd. Method, apparatus and system for paging processing and information displaying
CN111200857A (zh) * 2018-11-19 2020-05-26 电信科学技术研究院有限公司 一种用户路由更新方法及设备

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CN109089255B (zh) * 2017-06-14 2022-01-25 中国移动通信有限公司研究院 用户位置通知控制方法、装置、系统、设备及存储介质

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CN111200857A (zh) * 2018-11-19 2020-05-26 电信科学技术研究院有限公司 一种用户路由更新方法及设备
CN111200857B (zh) * 2018-11-19 2023-06-30 大唐移动通信设备有限公司 一种用户路由更新方法及设备

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