WO2011116729A2 - 实现位置更新的方法、服务支持节点和访问位置寄存器 - Google Patents

实现位置更新的方法、服务支持节点和访问位置寄存器 Download PDF

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Publication number
WO2011116729A2
WO2011116729A2 PCT/CN2011/073571 CN2011073571W WO2011116729A2 WO 2011116729 A2 WO2011116729 A2 WO 2011116729A2 CN 2011073571 W CN2011073571 W CN 2011073571W WO 2011116729 A2 WO2011116729 A2 WO 2011116729A2
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WO
WIPO (PCT)
Prior art keywords
location
request message
area update
mobile terminal
update request
Prior art date
Application number
PCT/CN2011/073571
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English (en)
French (fr)
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WO2011116729A3 (zh
Inventor
金辉
Original Assignee
华为终端有限公司
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 华为终端有限公司 filed Critical 华为终端有限公司
Priority to PCT/CN2011/073571 priority Critical patent/WO2011116729A2/zh
Priority to CN201180000306.1A priority patent/CN102405670B/zh
Priority to EP11758839.2A priority patent/EP2571318B1/en
Publication of WO2011116729A2 publication Critical patent/WO2011116729A2/zh
Publication of WO2011116729A3 publication Critical patent/WO2011116729A3/zh
Priority to US13/711,959 priority patent/US9026136B2/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W64/00Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W60/00Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
    • H04W60/005Multiple registrations, e.g. multihoming
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to the field of mobile communication technologies, and more particularly to a method for implementing location update, a service support node, and a visitor location register.
  • Location update includes location area update and routing area update.
  • the network system needs to be notified to perform location area update, and when the mobile terminal changes the routing area.
  • the routing area When you need to interact with the network system, update the routing area.
  • 3G technologies for third-generation mobile communication technologies such as WCDMA (Wideband Code Division Multiple Access), CDMA2000 (Code Division Multiple Access 2000), and TD-SCDMA Technologies such as Time Division-Synchronous Code Division Multiple Access (WDM) have been widely used.
  • Network systems based on 3G technology can transmit voice and data information simultaneously, but due to 2G technology based on second-generation communication technology.
  • Network systems after long-term construction, have better network coverage than 3G networks. Therefore, existing 3G network-based terminal devices usually support 2G networks to meet the needs of users to use wireless services anywhere, such as existing large networks.
  • Some 3G mobile phones are dual-mode mobile phones supporting 2G/3G network systems, such as WCDMA/GSM dual mode, TD-SCDMA/GSM dual mode.
  • the 2G network and the 3G network can support the CS (Circuit Switched) domain service and the PS (Packet Switched) domain service.
  • the common voice service and short message service are mainly provided by the CS domain.
  • the data service is mainly provided by the PS domain.
  • the GSM network in the well-established 2G network is suitable for voice services
  • the advanced 3G network such as TD-SCDMA network is suitable for data services. Therefore, the existing dual-mode mobile terminal is usually designed to support the PS of the 3G network at the same time.
  • CS services for services and 2G networks such as single-card dual-mode (GSM/TD-SCDMA dual-mode) handsets, using two antennas, two RF modules, and two independent GSM protocol stacks and TD-SCDMA protocol stack, making 2G Department
  • GSM/TD-SCDMA dual-mode single-card dual-mode
  • the 3G system can run simultaneously and access a (U) SIM card.
  • the PS domain of the 3G network has multiple routing areas
  • the CS domain of the 2G network has multiple location areas
  • the existing mobile terminal When the location area and the routing area are updated, the update process is usually performed in the 2G network and the 3G network respectively, which increases the workload of the mobile terminal, increases the power consumption, and ultimately affects the technical performance of the mobile terminal.
  • the present invention provides a method for implementing location update, which is to solve the problem that the mobile terminal in the prior art has a large amount of computation, consumes a large amount of power, and ultimately affects the technical performance of the mobile terminal.
  • the present invention provides the following technical solutions:
  • a method for implementing location update comprising: receiving a routing area update request message that is sent by a serving wireless network subsystem SRNS and includes at least a hybrid location update indication and a routing area identifier RAI,
  • the routing area update request message including the hybrid location update indication and the RAI is generated by the SRNS after adding the RAI in the routing area update request message that is sent by the received mobile terminal and includes at least the hybrid location update indication.
  • a method for implementing location update comprising: receiving a location area update request message including at least a hybrid location update indication and a location area identification code LAI, wherein the location area update request message is The service support node SGSN of the 3G network system sends the routing area update request sent by the SRNS, and the routing area update request is sent by the SRNS. Generating, after the RAI is added to the routing area update request message that is sent by the mobile terminal and includes at least the hybrid location update indication;
  • An LAI is obtained from the location area update request message and a location area update is implemented based at least on the LAI.
  • a service support node including:
  • a routing area request message receiving module configured to receive a routing area update request message that is sent by the serving wireless network subsystem SRNS and includes at least a hybrid location update indication and a routing area identifier RAI, where the at least the hybrid location update indication and the routing area identifier are included
  • the routing area update request message of the RAI is generated by the SRNS after adding the RAI in the routing area update request message that is sent by the received mobile terminal and includes at least the mixed location update indication.
  • a routing area update module configured to acquire the RAI from the routing area update request message that is received by the receiving module and includes at least a hybrid location update indication and a RAI, and perform routing area update according to at least the RAI;
  • an obtaining module configured to acquire, according to the routing area update request message that includes at least the hybrid location update indication and the RAI, an address of the location area identifier LAI and the access location register VLR of the 2G network system where the mobile terminal is located;
  • a sending module configured to send, to the VLR corresponding to the address of the VLR, a location area update request message including the hybrid location update indication and the LAI, so that the VLR corresponding to the address of the VLR is at least according to the location area
  • the update request message implements a location area update.
  • a visitor location register including:
  • a location area request message receiving module configured to receive a location area update request message including at least a hybrid location update indication and a location area identifier LAI, where the location area update request message is sent by the serving support node SGSN of the 3G network system in response to the SRNS And the routing area update request message is sent by the SRNS after the RNS is added to the routing area update request message that is sent by the mobile terminal and includes the hybrid location update indication.
  • a location area update module configured to update the location area update included in the location area update request message received by the location area update request message receiving module.
  • the present invention provides a method for implementing location update, a service support node, and a visitor location register, and a mobile terminal to a 3G network system.
  • the routing area update request is sent, the indication of the hybrid location update is carried, and when the routing area is updated, the location area update request is initiated to the VLR of the 2G network system, and the location area is updated by the 2G network system, thereby simultaneously implementing the mobile terminal.
  • the update of the location area and the routing area alleviates the workload of the mobile terminal, thereby solving the problem of large power consumption and ultimately affecting the technical performance of the mobile terminal.
  • Embodiment 1 is a flowchart of Embodiment 1 of a method for implementing location update according to the present invention
  • Embodiment 2 is a flowchart of Embodiment 2 of a method for implementing location update according to the present invention
  • Embodiment 3 is a flowchart of Embodiment 3 of a method for implementing location update according to the present invention
  • Embodiment 4 is a flowchart of Embodiment 4 of a method for implementing location update according to the present invention
  • FIG. 5 is a flowchart of Embodiment 5 of a method for implementing location update according to the present invention.
  • Embodiment 6 is a flowchart of Embodiment 6 of a method for implementing location update according to the present invention
  • Embodiment 7 is a schematic structural diagram of Embodiment 1 of a service support node according to the present invention.
  • Embodiment 8 is a schematic structural diagram of Embodiment 2 of a service support node according to the present invention.
  • Embodiment 9 is a schematic structural diagram of Embodiment 3 of a service support node according to the present invention.
  • FIG. 10 is a schematic structural diagram of Embodiment 1 of a visitor location register according to the present invention.
  • Embodiment 11 is a schematic structural diagram of Embodiment 2 of a visitor location register according to the present invention.
  • FIG. 12 is a schematic structural diagram of Embodiment 3 of a visitor location register according to the present invention.
  • FIG. 13 is a signaling flowchart of implementing location update in an actual scenario according to the present invention.
  • FIG. 1 is a flowchart of Embodiment 1 of a method for implementing location update according to the present invention, which includes the following steps:
  • Step 101 Receive, by the SRNS (Serving Radio Network Subsystem), at least a hybrid location update indication and a RAI (Routing Area Identification) routing area update request message.
  • SRNS Serving Radio Network Subsystem
  • RAI Radio Area Identification
  • the SGSN (Servicing GPRS Support Node, Service Support Node) in the 3G network system receives the routing area update request sent by the SRNS.
  • RAI is used for routing area selection by mobile users.
  • the mobile terminal sends a routing area update request message carrying the mixed location update indication to the SRNS (Serving Radio Network Subsystem), and the SRNS identifies the mobile terminal to perform the mixed location update process, and The RAI is added to the routing area update request message and then sent to the SGSN.
  • SRNS Serving Radio Network Subsystem
  • the location update includes a routing area update and a location area update
  • the routing area update specifically refers to a location update performed by a PS (Packet Switched) domain in a 3G/2G network system, where the location area is updated.
  • a PS Packet Switched
  • the CS Circuit Switched circuit switched
  • the mobile terminal is a dual-mode mobile terminal, and the dual-mode mobile terminal can support the 3G network and the 2G network at the same time.
  • the location update refers to the location of the mobile terminal located in the PS domain of the 3G network. At the same time of updating, the location update of the 2G network is realized.
  • the location area update When the mobile terminal makes a voice call, the location area update will occur when moving across the location area. When the data call is made, the routing area update will occur across the routing area.
  • the SGSN Server GPRS Support Node, service support node
  • the VLR Visitor Location Register
  • Step 102 After receiving the routing area update request message from the routing area update request including the hybrid location update indication and the RAI, the routing area update in the 3G network system may be performed, and the update process is performed with the existing routing area.
  • the update process is the same and will not be described here.
  • the mobile terminal needs to be authenticated. After the authentication succeeds, the routing area is updated, and at the same time, a routing area update message can be sent to the HLR (Home Location Register), so that the HLR can store and manage the mobile. Location information of the terminal.
  • HLR Home Location Register
  • Step 103 Acquire an address of the LAI and the VLR of the 2G network system where the mobile terminal is located, according to at least the routing area update request message.
  • the LAI may be obtained by the mobile terminal in the 2G network system, and the routing area update request message further includes the LAI monitored by the mobile terminal.
  • the LAI can be obtained in the routing area update request message, or, in the case of the joint network, the RAI in the 3G network system and the RAI in the 2G network system are the same, and the LAI is also the same, according to the routing area.
  • mapping relationship between the LAI and the VLR. According to the mapping relationship, the address of the VLR corresponding to the LAI can be known.
  • Step 104 Send, to the VLR corresponding to the VLR address, a location area update request message including at least a mixed location update indication and the LAI.
  • the VLR is used for management and update of the location area. After learning the VLR address, the VLR can send a location area update request message to the VLR.
  • the location area update request message includes the LAI and carries the mixed location update indication, so that the VLR receives the location. After the area update request message, it is learned that the request for the hybrid location update is performed, and the MSC (Mobile Switching Center) and the HLR are interacted according to the LAI, thereby realizing the update of the location area.
  • MSC Mobile Switching Center
  • the VLR After the location area update is completed, the VLR returns to the SGSN location area update confirmation message (Location Update Accept). After receiving the location area update confirmation message, the VLR sends a Routing Area Accept Confirmation message to the mobile terminal to notify the mobile terminal. The terminal accepts the update to facilitate the corresponding change.
  • step 102 is not limited to the sequence in this embodiment, and may be performed after any step of step 103 to step 104 or at the same time.
  • FIG. 2 is a flowchart of Embodiment 2 of a method for implementing location update according to the present invention, which includes the following steps:
  • Step 201 Receive a routing area update request message sent by the SRNS.
  • the routing area update request message includes a hybrid location update indication and a routing area identification code RAI, and a location area identification code LAI obtained by the mobile terminal in the 2G network system.
  • the routing area update request message sent by the SRNS is received by the SGSN in the 3G network system.
  • the mobile terminal first sends the routing area update request message carrying the mixed location update indication to the SRNS, and the SRNS recognizes that the mobile terminal performs the hybrid update process, writes the RAI into the routing area update request message, and then sends the RAI to the SGSN.
  • Step 202 Interact with the HLR to obtain authentication information, and perform authentication on the mobile terminal according to the authentication information.
  • the HLR stores the subscription data of the user under the jurisdiction and the location information of the mobile user, and registers the authentication information of the user.
  • the SGSN in the 3G network system requests the HLR to obtain the authentication information, and the HLR returns the authentication parameter and the key to the SGSN, according to the The authentication parameter and the key authenticate the mobile terminal.
  • Step 203 Acquire an RAI from the routing area update request message and perform routing area update according to at least the RAI.
  • the mobile terminal After the authentication succeeds, that is, after receiving the authentication response returned by the mobile terminal, the mobile terminal is assigned a temporary identification code to implement the update of the routing area.
  • Step 204 Send a routing area update message to the home location register HLR.
  • a routing area update message is sent to the HLR for the HLR to perform record management.
  • Step 205 Acquire, from the routing area update request message, the LAI of the 2G network system where the mobile terminal is located, and obtain the VLR of the 2G network system where the mobile terminal is located according to the pre-stored allocation principles of the LAI and the VLR. address.
  • the route update request message further includes an LAI monitored by the mobile terminal in the 2G network system, and the LAI may be directly obtained from the routing area update request message.
  • the allocation principle refers to the mapping relationship between LAI and VLR. Which LLAs are assigned to which VLRs are predefined by the system. According to the allocation principle, the address of the VLR in the 2G network system where the mobile terminal is located can be obtained.
  • Step 206 Send, to the VLR corresponding to the address of the VLR, a location area update request message including at least a hybrid location update indication and the LAI.
  • the location area update request message is used to instruct the VLR to implement location area update.
  • Step 207 After receiving the location area update confirmation message returned by the VLR corresponding to the address of the VLR, send a routing area update confirmation message to the mobile terminal.
  • the VLR corresponding to the address of the VLR returns a location area update confirmation message, and after receiving the location area update confirmation message, the SGSN sends a routing area update confirmation message to the mobile terminal to notify the mobile terminal to accept the update.
  • steps 202 to 204 are not limited to the sequence described in this embodiment, and may be performed after any step of steps 205 to 206 or at the same time.
  • FIG. 3 is a flowchart of Embodiment 3 of a method for implementing location update according to the present invention, which includes the following steps:
  • Step 301 Receive a routing area update request message sent by the SRNS.
  • the routing area update request message includes a hybrid location update indication and an RAI.
  • the routing area update request message sent by the SRNS is received by the SGSN in the 3G network system.
  • the mobile terminal first sends the routing area update request message carrying the mixed location update indication to the SRNS, and the SRNS recognizes that the mobile terminal performs the hybrid update process, writes the RAI into the routing area update request message, and then sends the RAI to the SGSN.
  • Step 302 Interact with the home location register HLR to obtain authentication information, and according to the authentication The information authenticates the mobile terminal.
  • Step 303 Acquire the LAI from the routing area update request and perform routing area update according to at least the RAI.
  • Step 304 Send a routing area update message to the home location register HLR.
  • Step 305 Obtain a location area identifier LAI of the 2G network system where the mobile terminal is located according to the RAI and the saved routing area number, and obtain the mobile terminal according to the pre-stored allocation principles of the LAI and the VLR. The address of the VLR of the 2G network system.
  • Step 306 Send a location area update request message including at least a mixed location update indication and the LAI to the VLR corresponding to the address of the VLR.
  • the location area update request message is used as a basis for implementing a location area update by the VLR.
  • Step 307 After receiving the location area update confirmation message returned by the VLR corresponding to the address of the VLR, send a routing area update confirmation message to the mobile terminal.
  • steps 302 to 304 are not limited to the sequence described in this embodiment, and may be performed after any step of steps 305 to 306 or at the same time.
  • FIG. 4 is a flowchart of Embodiment 4 of a method for implementing location update according to the present invention, which includes the following steps:
  • Step 401 Receive a location area update request message including at least a hybrid location update indication and an LAI, where the location area update request message is a route sent by the SGSN in the 3G network system in response to the SRNS. Sent by the zone update request.
  • the routing area update request is generated by the SRNS adding a RAI when the received mobile terminal sends a routing area update request message including at least a mixed location update indication.
  • the mobile terminal performs the routing area update in the 3G network system, and realizes the location area update in the 2G network system.
  • the VLR in the 2G network system receives the location area update request message sent by the SGSN in the 3G network system where the mobile terminal is located, and the SGSN receives the routing area update request message that is sent by the mobile terminal and carries the mixed location update indication.
  • the address of the LAI and the VLR of the 2G network system where the mobile terminal is located is obtained.
  • the location area update request message is sent.
  • Step 402 Acquire the LAI from the location area update request message and implement location area update according to at least the LAI.
  • the VLR learns that the hybrid location update request is performed, and interacts with the MSC and the HLR according to the LAI in the location area update request message to implement the update of the location area.
  • the mobile terminal needs to be authenticated, and at the same time, the location area update message may be sent to the HLR, so that the HLR can store and manage the location information of the mobile terminal.
  • the location area update confirmation message may be returned to the SGSN in the 3G network system.
  • the SGSN After receiving the location area update confirmation message, the SGSN sends a routing area update confirmation message to the mobile terminal to notify the client to accept the update.
  • the VLR of the 2G network system receives the SGSN sending location area update request message in the 3G network system, thereby realizing the location area update of the 2G network system, thereby realizing
  • the hybrid location update of the mobile terminal alleviates the workload of the mobile terminal, thereby solving the problem of large power consumption and ultimately affecting the technical performance of the mobile terminal.
  • Step 501 Receive a location area update request message including a hybrid location update indication and an LAI, where the location area update request message is sent by the SGSN in response to a routing area update request sent by the SRNS.
  • the routing area update request is generated by the SRNS adding a RAI when the received mobile terminal sends a routing area update request message including at least a mixed location update indication.
  • the location area update request message further includes authentication information, and the authentication information is obtained by the SGSN and the HLR when the mobile terminal is authenticated when the routing area is updated.
  • Step 502 Acquire authentication information from the location area update request message, and authenticate the mobile terminal according to the authentication information.
  • Step 503 Acquire the LAI from the location area update request message and implement location area update according to at least the LAI.
  • the VLR After the authentication succeeds, that is, after the VLR receives the authentication response from the mobile terminal, the VLR interacts with the MSC, and the VLR initiates a location update procedure, thereby realizing the update of the location area.
  • Step 504 Send a location area update message to the home location register HLR.
  • Step 505 Send a location area update confirmation message to the SGNS.
  • the location area update confirmation message is sent to the SGSN in the 3G network system, so that the SGSN sends the routing area update confirmation message to the mobile terminal after receiving the location area update confirmation message.
  • the mobile terminal after receiving the location area update request message including the hybrid location update indication, the mobile terminal is authenticated, and after the authentication succeeds, the location area is updated, and the location area of the embodiment is updated in 3G.
  • the routing area update is performed simultaneously in the network system, thereby reducing the workload of the mobile terminal, thereby solving the problem of large power consumption and ultimately affecting the technical performance of the mobile terminal.
  • FIG. 6 a flowchart of Embodiment 6 of a method for implementing location update according to the present invention is shown, which may include the following steps:
  • Step 601 Receive a location area update request message including a hybrid location update indication and a LAI, where the location area update request message is sent by the SGSN in response to the routing area update request sent by the SRNS.
  • the routing area update request is at least a packet sent by the SRNS on the received mobile terminal. Generated after the RAI is added with the routing area update request message with the mixed location update indication. Step 602: Perform interaction with the HLR to obtain authentication information, and perform authentication on the mobile terminal according to the authentication information.
  • the VLR requests the HLR to obtain authentication information, where the authentication information includes an authentication parameter and a key, and the authentication process of the mobile terminal is implemented according to the authentication information.
  • Step 603 Acquire the LAI from the location area update request message and implement location area update according to at least the LAI.
  • the MSC interacts with the VLR, and the VLR starts the location update procedure, thereby realizing the update of the location area.
  • Step 604 Send a location area update message to the home location register HLR.
  • Step 605 Send a location area update confirmation message to the SGSN.
  • FIG. 7 is a schematic structural diagram of Embodiment 1 of a service support node according to the present invention, including:
  • the routing area request message receiving module 701 is configured to receive a routing area update request message sent by the SRNS.
  • the routing area update request includes at least a hybrid location update indication and a RAI (Routing Area)
  • the mobile terminal sends a routing area update request message including the hybrid location update indication to the SRNS (Serving Radio Network Subsystem), and the SRNS recognizes that the mobile terminal performs the hybrid location update process, and the RAI is Write to the routing area update
  • the request message is then sent to the SGSN.
  • the routing area update module 702 is configured to obtain, by the routing unit requesting message receiving module 701, an obtaining module 703, configured to acquire, according to the routing area update request message, location area identification of the 2G network system where the mobile terminal is located The address of the code LAI and the visitor location register VLR;
  • the sending module 704 is configured to send, to the VLR corresponding to the VLR address, a location area update request message including a hybrid location update indication and the LAI, so that the VLR performs location area update according to at least the location area update request message.
  • FIG. 8 is a schematic structural diagram of Embodiment 2 of a service support node according to the present invention, including: a routing area request message receiving module 801, configured to receive a routing area update request message sent by the SRNS.
  • the routing area update request message includes a hybrid location update indication, a routing area identifier RAI, and a location area identifier LAI that the mobile terminal listens to in the 2G network system.
  • the first authentication information obtaining module 802 is configured to interact with the home location register HLR to obtain authentication information.
  • the first authentication module 803 is configured to authenticate the mobile terminal according to the authentication information.
  • the routing area update module 804 is configured to: after the authentication module 803 succeeds in authenticating, obtain the RAI from the route update request message received by the routing area request message receiving module 801, and perform routing according to at least the RAI. District update.
  • the obtaining module 805 is configured to obtain the LAI of the 2G network system where the mobile terminal is located according to the routing area update request received by the routing area request message receiving module 801, and obtain the LAI according to the pre-stored LAI and VLR allocation principles.
  • the sending module 806 is configured to send, to the VLR, a location area update request message that includes at least a hybrid location update indication and the LAI, where the location area update request message is used to instruct the VLR to implement location area update.
  • a location area confirmation message receiving module 807 configured to receive a location area update confirmation message returned by the VLR;
  • the routing area confirmation message sending module 808 after receiving the location area update confirmation message, the location area confirmation message receiving module 807 sends a routing area update confirmation message to the mobile terminal.
  • the SGSN may further include a routing area update message sending module 809: configured to send a routing area update message to the home location register HLR.
  • a routing area update message sending module 809 configured to send a routing area update message to the home location register HLR.
  • the SGSN of the 3G network system after receiving the routing area update request message including the hybrid location update indication and the RAI, acquires the LAI and VLR addresses in the 2G network system to which the mobile terminal belongs, and then the VLR corresponding to the address of the VLR.
  • the location area update request message is sent, thereby realizing the update of the routing area and the location area, thereby reducing the workload of the mobile terminal, thereby solving the problem of large power consumption and ultimately affecting the technical performance of the mobile terminal.
  • FIG. 9 is a schematic structural diagram of Embodiment 3 of a service support node according to the present invention.
  • the device is different from the device embodiment 2 in that the obtaining module 905 is configured to obtain according to the RAI and the saved routing area number.
  • the mobile terminal is located in the LAI of the 2G network system, and obtains the VLR address of the 2G network system where the mobile terminal is located according to the pre-stored allocation principles of the LAI and the VLR.
  • Other module functions can be referred to each other, and will not be described here.
  • FIG. 10 is a schematic structural diagram of Embodiment 1 of a visitor location register according to the foregoing method, which may include:
  • the location area request message receiving module 1001 is configured to receive a location area update request message including at least a hybrid location update indication and a location area identifier LAI.
  • the location area update request message is sent by the SGSN in response to a routing area update request sent by the SRNS, and the routing area update request message is sent by the SRNS to the received mobile terminal and includes at least a mixed location update indication. Generated after the RAI is added to the routing area update request message.
  • the location area update module 1002 is configured to obtain the LAI from the location area update request message received by the location area request message receiving module 1001 and implement location area update according to at least the LAI.
  • FIG. 11 is a schematic structural diagram of Embodiment 2 of the access location register according to the present invention, including: a location area request message receiving module 1101, configured to receive A location area update request message including a hybrid location update indication and a location area identifier LAI.
  • the location area update request message is sent by the SGSN in response to a routing area update request sent by the SRNS, and the routing area update request message is sent by the SRNS to the received mobile terminal and includes at least a mixed location update indication. Generated after the RAI is added to the routing area update request message.
  • the location area update request message further includes authentication information, which is obtained by the SGSN and the HLR when the routing area update performs authentication on the mobile terminal.
  • the authentication module 1102 is configured to authenticate the mobile terminal according to the authentication information.
  • the location area update module 1103 is configured to: after the authentication module 1102 successfully authenticates, update the request message from the location area. Obtaining the LAI and implementing location area update based on at least the LAI.
  • the location area update message sending module 1104 is configured to send a location area update message to the home location register HLR.
  • the location area confirmation message sending module 1105 is configured to send a location area update confirmation message to the SGSN.
  • FIG. 12 is a schematic structural diagram of Embodiment 3 of a visitor location register according to the present invention, including: a location area request receiving module 1201, configured to receive a location area update request message including a hybrid location update indication and a location area identifier LAI.
  • the second authentication information obtaining module 1202 is configured to interact with the home location register HLR to obtain authentication information.
  • the second authentication module 1203 is configured to authenticate the mobile terminal according to the authentication information.
  • the location area update module 1204 is configured to acquire the LAI from the location area update request message and implement location area update according to at least the LAI, after the second authentication module 1203 successfully authenticates.
  • the location area update message sending module 1205 is configured to send a location area update message to the home location register HLR.
  • the routing area acknowledgement message sending module 1206 is configured to send a location area update acknowledgement message to the SGSN.
  • the dual mode mobile terminal according to the present invention is attached to the PS domain of the 3G network, and the attached state of the CS domain of the 2G network.
  • the dual mode mobile terminal may specifically be a dual mode 3G mobile phone or other mobile device.
  • the 3G network system of the present invention may specifically be a TD-SCDMA communication system, an SCDMA communication system or other 3G technology-based communication system, and the 2G network system may be specifically a GSM communication system.
  • the dual-mode mobile terminal implements the routing area update in the PS domain of the TD-SCDMA communication system, and simultaneously performs the location area update of the GSM communication system, referring to FIG. 13, the present invention implements the location update in the actual scenario.
  • Signaling flow diagram which may include:
  • Step 1301 The mobile terminal sends a routing area update request message to the SRNS, where the routing area update request message includes a mixed location update indication.
  • Step 1302 The SRNS learns, according to the hybrid location update indication, that the mobile terminal performs a hybrid update process, adds the RAI to the routing area update request message, and sends the message to the TD-SGSN.
  • the TD-SGSN refers to an SGSN located in a TD-SCDMA communication system.
  • Step 1303 The TD-SGSN interacts with the HLR to obtain authentication information.
  • Step 1304 The TD-SGSN authenticates the mobile terminal according to the authentication information.
  • Step 1305 After the authentication succeeds, that is, after receiving the authentication response of the mobile terminal, the TD-SGSN implements the routing area update according to the RAI.
  • Step 1306 Send a routing area update message to the HLR.
  • Step 1307 Obtain the LAI and VLR addresses of the GSM system to which the mobile terminal belongs.
  • Step 1308 Send a location area update request message to the VLR.
  • the location area update request message includes a hybrid location update indication, and an LAI, where the location area update request message further includes the authentication information.
  • Step 1309 Perform authentication on the mobile terminal according to the authentication information.
  • the VLR may also acquire the authentication information by interacting with the HLR, if the authentication information is not included in the location area update request message received by the VLR.
  • Step 1310 After the authentication succeeds, the VLR receives the authentication response of the mobile terminal, interacts with the MSC, and implements location area update.
  • Step 1311 The VLR sends a location area update message to the HLR.
  • Step 1312 The VLR sends a location area update acknowledgement message to the TD-SGSN.
  • Step 1313 After receiving the location update confirmation message, the TD-SGSN sends a routing area update confirmation message to the mobile terminal to notify the mobile terminal to accept the update.
  • the dual-mode mobile terminal located in the TD-SCDMA communication system simultaneously performs location area update in the GSM communication system when performing routing area update, and does not require the mobile terminal to update in two systems respectively, thereby implementing routing.
  • the process of mixing and updating the zone and the location zone reduces the workload of the mobile terminal, reduces the power consumption, and improves the technical performance of the mobile terminal.

Description

实现位置更新的方法、 服务支持节点和访问位置寄存器
技术领域 本发明涉及移动通信技术领域,更具体的说是涉及一种实现位置更新的方 法、 服务支持节点和访问位置寄存器。
背景技术 在移动通信系统中,位置更新是十分重要的过程,位置更新包括位置区更 新和路由区更新,当移动终端更改位置区时,需通知网络系统进行位置区更新, 当移动终端更改路由区时, 也需要与网络系统交互, 进行路由区的更新。
随着通信技术的发展, 第三代移动通信技术 3G技术, 例如 WCDMA ( Wideband Code Division Multiple Access,宽带码分多址)、 CDMA2000 ( Code Division Multiple Access 2000 , 码分多址 2000 ) 和 TD- SCDMA ( Time Division-Synchronous Code Division Multiple Access, 时分同步码分多址 )等技 术, 已得到广泛应用, 基于 3G技术的网络系统能够同时传输语音和数据信息, 但是由于基于第二代通信技术 2G技术的网络系统, 经过了长期建设, 其网络 覆盖要优于 3G网络, 因此现有的基于 3G网络的终端设备通常都支持 2G网络, 以满足用户在任何地点都可使用无线业务, 例如现有的大部分 3G手机都是支 持 2G/3G网络系统的双模式手机 , 如 WCDMA/GSM双模式、 TD-SCDMA/GSM 双模式等。
2G网络和 3G网络可同时支持 CS ( Circuit Switched, 电路交换)域业务和 PS ( Packet Switched, 分组交换)域业务, 常用的语音业务和短信业务主要由 CS域提供, 数据业务主要由 PS域提供, 但是, 目前覆盖完善的 2G网络中的如 GSM网络适合语音业务, 制式先进的 3G网络如 TD- SCDMA网络适合数据业 务, 因此现有的双模式移动终端通常设计为可同时支持 3G网络的 PS业务和 2G 网络的 CS业务, 如单卡双模式(GSM/TD-SCDMA双模式)手机, 采用两套天 线、 两套射频模块和两套独立的 GSM协议栈和 TD-SCDMA协议栈, 使得 2G系 统和 3G系统可同时运行并访问一张( U ) SIM卡。
由于这种单卡双模式的移动终端可以分别在 2G网络和 3G网络内驻留, 3G 网络的 PS域存在多个路由区, 而 2G网络的 CS域存在多个位置区, 现有的移动 终端进行位置区和路由区更新时, 通常是在 2G网络和 3 G网络内分别执行更新 过程, 这就增加了移动终端的工作量, 增大了耗电量, 最终导致影响移动终端 的技术性能。
发明内容 有鉴于此, 本发明提供一种实现位置更新的方法, 用以解决现有技术中移 动终端的计算量多, 耗电量大, 最终导致影响移动终端的技术性能的问题。
为实现上述目的, 本发明提供如下技术方案:
本发明的一方面, 提出一种实现位置更新的方法, 所述方法包括: 接收服务无线网路子系统 SRNS 发送的至少包含混合位置更新指示和路 由区识别码 RAI 的路由区更新请求消息, 所述至少包含混合位置更新指示和 RAI的路由区更新请求消息是由所述 SRNS在接收到的移动终端发送的至少包 含混合位置更新指示的路由区更新请求消息中添加所述 RAI后生成;
从所述至少包含混合位置更新指示和 RAI的路由区更新请求消息中获取 所述 RAI并至少根据所述 RAI进行路由区更新;
至少根据所述至少包含混合位置更新指示和 RAI的路由区更新请求消息 获取所述移动终端所处 2G 网络系统的位置区识别码 LAI和访问位置寄存器 VLR的地址;
向所述 VLR的地址对应的 VLR发送至少包含所述混合位置更新指示和所 述 LAI的位置区更新请求消息, 以使所述 VLR的地址对应的 VLR至少根据 所述位置区更新请求消息实现位置区更新。
本发明的另一方面, 提出一种实现位置更新的方法, 所述方法包括: 接收至少包含混合位置更新指示和位置区识别码 LAI 的位置区更新请求 消息, 所述位置区更新请求消息是由 3G网络系统的服务支持节点 SGSN响应 SRNS发送的路由区更新请求而发送的, 所述路由区更新请求由所述 SRNS在 接收到的移动终端发送的至少包含混合位置更新指示的路由区更新请求消息 中添加 RAI后生成;
从所述位置区更新请求消息中获取 LAI并至少根据所述 LAI实现位置区 更新。
本发明的又一方面, 提出了一种服务支持节点, 包括:
路由区请求消息接收模块,用于接收服务无线网路子系统 SRNS发送的至 少包含混合位置更新指示和路由区识别码 RAI的路由区更新请求消息, 所述 至少包含混合位置更新指示和路由区识别码 RAI的路由区更新请求消息是由 所述 SRNS 在接收到的移动终端发送的至少包含混合位置更新指示的路由区 更新请求消息中添加所述 RAI后生成;
路由区更新模块,用于从所述接收模块接收到的至少包含混合位置更新指 示和 RAI的路由区更新请求消息中获取所述 RAI并至少根据所述 RAI进行路 由区更新;
获取模块, 用于至少根据所述至少包含混合位置更新指示和 RAI的路由 区更新请求消息获取所述移动终端所处 2G网络系统的位置区识别码 LAI和访 问位置寄存器 VLR的地址;
发送模块,用于向所述 VLR的地址对应的 VLR发送至少包含所述混合位 置更新指示和所述 LAI的位置区更新请求消息, 以使所述 VLR的地址对应的 VLR至少根据所述位置区更新请求消息实现位置区更新。
本发明的又一方面, 提出了一种访问位置寄存器, 包括:
位置区请求消息接收模块,用于接收至少包含混合位置更新指示和位置区 识别码 LAI的位置区更新请求消息,所述位置区更新请求消息是由 3G网络系 统的服务支持节点 SGSN响应 SRNS发送的路由区更新请求而发送的,所述路 由区更新请求消息由所述 SRNS 在接收到的移动终端发送的至少包含混合位 置更新指示的路由区更新请求消息中添加 RAI后生成;
位置区更新模块,用于至少根据所述位置区更新请求消息接收模块接收到 的位置区更新请求消息包含的所述 LAI实现位置区更新。
经由上述的技术方案可知, 与现有技术相比, 本发明提供了一种实现位置 更新的方法、 服务支持节点和访问位置寄存器, 通过移动终端向 3G网路系统 发送路由区更新请求时携带混合位置更新的指示, 在进行路由区更新的同时, 向 2G网络系统的 VLR发起位置区更新请求 ,由 2G网络系统进行位置区的更 新,从而同时实现了移动终端的位置区和路由区的更新, 减轻了移动终端的工 作量, 从而解决了耗电量大, 而最终导致影响移动终端的技术性能的问题。
附图说明 为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施 例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地, 下面描述 中的附图仅仅是本发明的实施例,对于本领域普通技术人员来讲,在不付出创 造性劳动的前提下, 还可以根据提供的附图获得其他的附图。
图 1 为本发明一种实现位置更新的方法实施例 1的流程图;
图 2为本发明一种实现位置更新的方法实施例 2的流程图;
图 3为本发明一种实现位置更新的方法实施例 3的流程图;
图 4为本发明一种实现位置更新的方法实施例 4的流程图;
图 5为本发明一种实现位置更新的方法实施例 5的流程图;
图 6为本发明一种实现位置更新的方法实施例 6的流程图;
图 7为本发明一种服务支持节点实施例 1的结构示意图;
图 8为本发明一种服务支持节点实施例 2的结构示意图;
图 9为本发明一种服务支持节点实施例 3的结构示意图;
图 10为本发明一种访问位置寄存器实施例 1的结构示意图;
图 11为本发明一种访问位置寄存器实施例 2的结构示意图;
图 12为本发明一种访问位置寄存器实施例 3的结构示意图;
图 13为本发明在实际场景中实现位置更新的信令流程图。
具体实施方式 下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清 楚、 完整地描述, 显然, 所描述的实施例仅仅是本发明一部分实施例, 而不是 全部的实施例。基于本发明中的实施例, 本领域普通技术人员在没有做出创造 性劳动前提下所获得的所有其他实施例, 都属于本发明保护的范围。 图 1为本发明一种实现位置更新的方法实施例 1的流程图,包括以下几个 步骤:
步骤 101: 接收 SRNS ( Serving Radio Network Subsystem, 服务无线网络 子系统)发送的至少包含混合位置更新指示和 RAI( Routing Area Identification , 路由区识别码 )路由区更新请求消息。
在本实施例中,由 3G网络系统中的 SGSN( Servicing GPRS Support Node, 服务支持节点 )接收 SRNS发送的路由区更新请求。
RAI用于移动用户的路由区域选择。 在 3G网络系统中, 移动终端将携带 有混合位置更新指示的路由区更新请求消息发送至 SRNS ( Serving Radio Network Subsystem, 服务无线网络子系统), 由 SRNS识别出移动终端进行混 合位置更新过程, 将 RAI 添加到该路由区更新请求消息中, 然后再发送给 SGSN。
本发明实施例中, 所述的位置更新包括路由区更新和位置区更新,路由区 更新即特指 3G/2G网络系统中 PS ( Packet Switched, 分组交换)域进行的位 置更新, 位置区更新特指 3G/2G网络系统中 CS Circuit Switched, 电路交换 ) 域进行的位置更新。
本发明实施例中, 所述移动终端为双模式移动终端, 双模式移动终端可同 时支持 3G网络和 2G网络, 本实施例中, 所述位置更新是指位于 3G网络 PS 域的移动终端进行位置更新的同时, 实现对 2G网络的位置更新。
移动终端在进行语音呼叫时,跨位置区移动将发生位置区更新,在数据呼 叫时,跨路由区移动将发生路由区更新,在 3G网络系统中,由 SGSN( Servicing GPRS Support Node , 服务支持节点) 负责路由区的管理, 2G网络系统中, 由 VLR ( Visitor Location Register, 访问位置寄存器 ) 负责位置区的管理。
步骤 102:从所述至少包含混合位置更新指示和 RAI的路由区更新请求中 接收到路由区更新请求消息后, 即可进行 3G网络系统中的路由区更新, 该更新过程与现有的路由区更新过程相同, 在此不再贅述。
本领域技术人员可知的是为保护网络和移动用户, 在进行路由区更新时, 需要对移动终端进行鉴权, 当鉴权成功后, 在进行路由区的更新, 同时, 可向 HLR ( Home Location Register, 归属位置寄存器 )发送路由区更新消息, 以便 于 HLR进行存储和管理该移动终端的位置信息。
步骤 103: 至少根据所述路由区更新请求消息获取所述移动终端所处 2G 网络系统的 LAI和 VLR的地址。
所述的 LAI ( Location Area Identification, 位置区识别码)可以是移动终 端在 2G网络系统中监听获取的, 则所述路由区更新请求消息中还包括该移动 终端所监听到的 LAI,从所述路由区更新请求消息中即可获取所述 LAI,或者, 当为联合布网的情况下时 , 3G网络系统中的 RAI和 2G网络系统中的 RAI是 相同的, LAI也是相同的, 根据路由区更新请求消息中包含的 RAI, 由公式 LAI=RAI+RAC ( Routing Area Code, 路由区域号码), 所述的 RAC是 SGSN 已保存的该移动终端的所在 3G网络系统的 RAC, 即可获取移动终端所属 2G 网络系统的位置区识别码 LAI。
在 2G网络系统中, LAI和 VLR存在映射关系, 根据该映射关系, 即可 获知 LAI所对应的 VLR的地址。
步骤 104: 向所述 VLR地址对应的 VLR发送至少包含有混合位置更新指 示和所述 LAI的位置区更新请求消息。
VLR用于位置区的管理与更新, 获知 VLR地址后, 即可向该 VLR发送 位置区更新请求消息, 该位置区更新请求消息包含 LAI, 同时携带混合位置更 新指示, 以便于 VLR接收到该位置区更新请求消息后, 获知是进行混合位置 更新的请求, 则依据该 LAI, 与 MSC ( Mobile Switching Center, 移动交换中 心) 以及 HLR交互, 从而实现位置区的更新。
位置区更新完成后, VLR会返回给 SGSN位置区更新确认消息( Location Update Accept ), 接收到该位置区更新确认消息后, 即向移动终端发送路由区 更新确认消息( Routing Update Accept ), 通知移动终端接受更新, 以便于进行 相应的更改操作。
需要说明的是, 步骤 102的操作并不局限于本实施例中的顺序, 其还可以 是在步骤 103〜步骤 104任一步骤之后或者同时进行。
本实施例中, 通过在 3G网络系统进行路由区更新的同时, 实现对 2G网 络系统的位置区更新,从而同时实现了移动终端的位置更新, 减轻了移动终端 的工作量,从而解决了耗电量大,而最终导致影响移动终端的技术性能的问题。 图 2为本发明一种实现位置更新的方法实施例 2的流程图,包括以下几个 步骤:
步骤 201: 接收 SRNS发送的路由区更新请求消息。
所述路由区更新请求消息包含混合位置更新指示和路由区识别码 RAI,以 及由移动终端在 2G网络系统监听获取的位置区识别码 LAI。
本实施例中, 由 3G网络系统中的 SGSN接收 SRNS发送的路由区更新请 求消息。移动终端将携带有混合位置更新指示的路由区更新请求消息首先发送 至 SRNS, 由 SRNS识别出移动终端进行混合更新过程, 将 RAI写入该路由区 更新请求消息中, 然后再发送给 SGSN。
步骤 202: 与 HLR交互获取鉴权信息, 并依据所述鉴权信息对所述移动 终端进行鉴权。
HLR存储所管辖用户的签约数据和移动用户的位置信息, 寄存用户的鉴 权信息, 由 3G网络系统中的 SGSN向 HLR请求获取鉴权信息, HLR返回给 SGSN鉴权参数和密钥, 依据该鉴权参数和密钥对移动终端进行鉴权。
步骤 203: 从所述路由区更新请求消息中获取 RAI并至少根据所述 RAI 进行路由区更新。
鉴权成功后, 即接收到移动终端返回的鉴权响应后, 为移动终端分配临时 识别码, 实现路由区的更新。
步骤 204: 向归属位置寄存器 HLR发送路由区更新消息。
实现路由区更新后 , 向 HLR发送路由区更新消息 , 以便于 HLR进行记录 管理。
步骤 205: 从所述路由区更新请求消息中获取所述移动终端所处 2G网络 系统的 LAI, 并根据预先保存的所述 LAI和 VLR的分配原则, 获取移动终端 所处 2G网络系统的 VLR的地址。
本实施例中, 所述路由更新请求消息还包含移动终端在 2G网络系统监听 到的 LAI , 可直接从该路由区更新请求消息中获取 LAI。 分配原则即是指 LAI与 VLR的映射关系 , 哪些 LAI分配给哪些 VLR是 系统预先定义好的, 根据该分配原则, 即可获取移动终端所处 2G网络系统中 的 VLR的地址。
步骤 206: 向所述 VLR的地址对应的 VLR发送至少包含混合位置更新指 示和所述 LAI的位置区更新请求消息。
其中, 所述位置区更新请求消息用于指示 VLR实现位置区更新。
步骤 207: 接收所述 VLR的地址对应的 VLR返回的位置区更新确认消息 后, 向移动终端发送路由区更新确认消息。
实现位置区更新后,所述 VLR的地址对应的 VLR即返回位置区更新确认 消息, SGSN接收到该位置区更新确认消息后, 向移动终端发送路由区更新确 认消息, 通知移动终端接受更新。
需要说明的是, 步骤 202〜步骤 204实现路由区更新的操作并不局限于本 实施例所描述的顺序, 其还可以是在步骤 205〜步骤 206任一步骤之后或者同 时进行。
在本实施例中, 3G网络系统的 SGSN接收到包含混合位置更新指示的路 由区更新请求消息后, 获取移动终端所处 2G网络系统中的 LAI和 VLR的地 址, 然后向 VLR的地址对应的 VLR发送位置区更新请求消息,从而同时实现 了路由区和位置区的更新, 减轻了移动终端的工作量, 从而解决了耗电量大, 而最终导致影响移动终端的技术性能的问题。 图 3为本发明一种实现位置更新的方法实施例 3的流程图,包括以下几个 步骤:
步骤 301 : 接收 SRNS发送的路由区更新请求消息。
所述路由区更新请求消息包含混合位置更新指示和 RAI。
本实施例中, 由 3G网络系统中的 SGSN接收 SRNS发送的路由区更新请 求消息。移动终端将携带有混合位置更新指示的路由区更新请求消息首先发送 至 SRNS, 由 SRNS识别出移动终端进行混合更新过程, 将 RAI写入该路由区 更新请求消息中, 然后再发送给 SGSN。
步骤 302: 与归属位置寄存器 HLR交互获取鉴权信息, 并依据所述鉴权 信息对所述移动终端进行鉴权。
步骤 303: 从所述路由区更新请求中获取所述 LAI并至少根据所述 RAI 进行路由区更新。
步骤 304: 向归属位置寄存器 HLR发送路由区更新消息。
步骤 305: 根据所述 RAI和已保存的路由区域号码, 获取所述移动终端所 处 2G网络系统的位置区识别码 LAI, 并根据预先保存的所述 LAI和 VLR的 分配原则, 获取移动终端所处 2G网络系统的 VLR的地址。
在联合布网情况下 , 3G网络系统和 2G网络系统中的 RAI是相同的 , LAI 也是相同的, 根据路由区更新请求消息中的 RAI和 SGSN保存的路由区域号 码 RAC,及公式 LAI=RAI+RAC,即可获知移动终端所处 2G网络系统的 LAI。
步骤 306: 向所述 VLR的地址对应的 VLR发送至少包含混合位置更新指 示和所述 LAI的位置区更新请求消息。
其中, 所述位置区更新请求消息用于作为 VLR实现位置区更新的基础。 步骤 307: 接收所述 VLR的地址对应的 VLR返回的位置区更新确认消息 后, 向移动终端发送路由区更新确认消息。
需要说明的是, 步骤 302〜步骤 304实现路由更新的操作并不局限于本实 施例所描述的顺序, 其还可以是在步骤 305〜步骤 306任一步骤之后或者同时 进行。
在本实施例中, 3G网络系统的 SGSN接收到包含混合位置更新指示和 RAI 的路由区更新请求消息后 ,根据 RAI和 LAI的关系 , 以及 2G网络系统中 LAI 和 VLR的分配原则 , 获取移动终端所处 2G网络系统的 LAI和 VLR地址, 向 该 VLR的地址对应的 VLR发送位置区更新请求消息,从而同时实现了路由区 和位置区的更新, 减轻了移动终端的工作量, 从而解决了耗电量大, 而最终导 致影响移动终端的技术性能的问题。 图 4为本发明一种实现位置更新的方法实施例 4的流程图,包括以下几个 步骤:
步骤 401:接收至少包含混合位置更新指示和 LAI的位置区更新请求消息, 所述位置区更新请求消息是由 3G网络系统中的 SGSN响应 SRNS发送的路由 区更新请求而发送的。
所述路由区更新请求是由所述 SRNS 在接收到的移动终端发送的至少包 含混合位置更新指示的路由区更新请求消息时添加 RAI后生成的。
在本实施例中, 移动终端在 3G网络系统中进行路由区更新的同时, 实现 其在 2G网络系统中的位置区更新。 本步骤中, 由 2G网络系统中的 VLR接收 移动终端所处 3G网络系统中的 SGSN发送的位置区更新请求消息, SGSN接 收到移动终端发送的携带有混合位置更新指示的路由区更新请求消息后,获取 移动终端所处 2G网络系统的 LAI和 VLR的地址, 其具体的操作过程可参见 方法实施例 1、 实施例 2或实施例 3所述, 在此不再赞述, 之后即可向 VLR 发送该位置区更新请求消息。
步骤 402: 从所述位置区更新请求消息中获取所述 LAI 并至少根据所述 LAI实现位置区更新。
由 VLR接收到位置区更新请求消息后, 获知是进行混合位置更新请求, 根据位置区更新请求消息中的 LAI , 与 MSC以及 HLR交互, 以实现位置区的 更新。
为保护网络安全, 进行位置区更新时, 需要对移动终端进行鉴权, 同时, 可向 HLR发送位置区更新消息,以便于 HLR进行存储和管理该移动终端的位 置信息。
实现位置区更新后, 可向 3G网络系统中的 SGSN返回位置区更新确认消 息, SGSN接收到该位置区更新确认消息后, 向移动终端发送路由区更新确认 消息, 以通知客户端接受更新。
在本实施例中 , 在进行 3G网络系统中的路由区更新的同时, 2G网络系 统的 VLR接收 3G网络系统中的 SGSN发送位置区更新请求消息, 实现对 2G 网络系统的位置区更新,从而实现了移动终端的混合位置更新, 减轻了移动终 端的工作量,从而解决了耗电量大, 而最终导致影响移动终端的技术性能的问 题。 图 5为本发明一种实现位置更新的方法实施例 6的流程图,包括以下几个 步骤: 步骤 501 : 接收包含混合位置更新指示和 LAI的位置区更新请求消息, 所 述位置区更新请求消息是由所述 SGSN响应 SRNS发送的路由区更新请求而发 送的。
所述路由区更新请求是由所述 SRNS 在接收到的移动终端发送的至少包 含混合位置更新指示的路由区更新请求消息时添加 RAI后生成的。
其中, 该位置区更新请求消息中还包含鉴权信息, 该鉴权信息是进行路由 区更新时对移动终端进行鉴权时, 由 SGSN与 HLR交互获取的。
步骤 502: 从位置区更新请求消息中获取鉴权信息并根据所述鉴权信息对 所述移动终端进行鉴权。
步骤 503: 从位置区更新请求消息中获取所述 LAI并至少根据所述 LAI 实现位置区更新。
鉴权成功后, 即 VLR接收到移动终端发送鉴权响应后, VLR与 MSC进 行交互, 由 VLR启动位置更新程序, 从而实现位置区的更新。
步骤 504: 向归属位置寄存器 HLR发送位置区更新消息。
步骤 505: 向所述 SGNS发送位置区更新确认消息。
位置区更新完成后, 向 3G网络系统中的 SGSN, 发送位置区更新确认消 息, 以便于 SGSN接收到该位置区更新确认消息后, 向移动终端发送路由区更 新确认消息。
在本发明实施例中,接收到包含有混合位置更新指示的位置区更新请求消 息后, 对移动终端进行鉴权, 鉴权成功后在进行位置区的更新, 本实施例的位 置区更新在 3G网络系统中进行路由区更新时同时进行, 从而减轻了移动终端 的工作量,从而解决了耗电量大,而最终导致影响移动终端的技术性能的问题。 参见图 6, 示出了本发明一种实现位置更新的方法实施例 6的流程图, 可 以包括以下几个步骤:
步骤 601: 接收包含有混合位置更新指示和 LAI的位置区更新请求消息, 所述位置区更新请求消息是由所述 SGSN响应 SRNS发送的路由区更新请求而 发送的。
所述路由区更新请求是由所述 SRNS 在接收到的移动终端发送的至少包 含混合位置更新指示的路由区更新请求消息时添加 RAI后生成的。 步骤 602: 与 HLR交互获取鉴权信息, 依据所述鉴权信息对所述移动终 端进行鉴权。
VLR向 HLR请求获取鉴权信息, 鉴权信息包括鉴权参数和密钥等内容, 根据该鉴权信息实现对移动终端的鉴权过程。
步骤 603: 从位置区更新请求消息中获取所述 LAI并至少根据所述 LAI 实现位置区更新。
鉴权成功后,即接收到移动终端发送鉴权响应后, MSC与 VLR进行交互, 由 VLR启动位置更新程序, 从而实现位置区的更新。
步骤 604: 向归属位置寄存器 HLR发送位置区更新消息。
步骤 605: 向所述 SGSN发送位置区更新确认消息。
本实施例与实施例 5不同之处在于需要与 HLR交互获取鉴权信息, 其他 步骤互相参见即可。 对于前述的各方法实施例, 为了简单描述, 故将其都表述为一系列的 动作组合, 但是本领域技术人员应该知悉, 本发明并不受所描述的动作顺 序的限制, 因为依据本发明, 某些步骤可以采用其他顺序或者同时进行。 其次, 本领域技术人员也应该知悉, 说明书中所描述的实施例均属于优选 实施例, 所涉及的动作和模块并不一定是本发明所必须的。 与上述本发明一种实现位置更新的方法实施例 1 相对应, 图 7, 为本 发明一种服务支持节点实施例 1的结构示意图, 包括:
路由区请求消息接收模块 701 , 用于接收 SRNS发送的路由区更新请求消 息。
所述路由区更新请求至少包含混合位置更新指示和 RAI ( Routing Area
Identification , 路由区识别码)。
在 3G网络系统中, 移动终端将包含混合位置更新指示的路由区更新请求 消息发送至 SRNS ( Serving Radio Network Subsystem, 服务无线网络子系统), 由 SRNS识别出移动终端进行混合位置更新过程, 将 RAI写入该路由区更新 请求消息中, 然后再发送给 SGSN。 由路由区请求消息接收模块 701接收。 路由区更新模块 702, 用于从所述路由区请求消息接收模块 701接收到的 获取模块 703 , 用于至少根据所述路由区更新请求消息获取所述移动终端 所处 2G网络系统的位置区识别码 LAI和访问位置寄存器 VLR的地址;
发送模块 704 , 用于向所述 VLR地址对应的 VLR发送包含混合位置更新 指示和所述 LAI的位置区更新请求消息, 以便于所述 VLR至少根据所述位置 区更新请求消息进行位置区更新。
本实施例中, 通过所述 SGSN实现了移动终端在 3G 网络系统中进行 路由区更新的同时, 在 2G网络系统中的位置区更新, 因而减轻了移动终端 的工作量,从而解决了耗电量大,而最终导致影响移动终端的技术性能的问题。 图 8, 为本发明一种服务支持节点实施例 2的结构示意图, 包括: 路由区请求消息接收模块 801 , 用于接收 SRNS发送的路由区更新请求消 息。
所述路由区更新请求消息包含混合位置更新指示、 路由区识别码 RAI 以 及移动终端在 2G网络系统监听到的位置区识别码 LAI。
第一鉴权信息获取模块 802, 用于与归属位置寄存器 HLR交互获取鉴权 信息。
第一鉴权模块 803 , 用于依据所述鉴权信息对所述移动终端进行鉴权。 路由区更新模块 804, 用于当所述鉴权模块 803鉴权成功后, 从所述路由 区请求消息接收模块 801接收到的路由更新请求消息中获取所述 RAI并至少 根据所述 RAI进行路由区更新。
获取模块 805 , 用于根据所述路由区请求消息接收模块 801接收到的路由 区更新请求中获取所述移动终端所处 2G网络系统的 LAI, 并根据预先保存的 LAI和 VLR的分配原则, 获取移动终端所处 2G网络系统的 VLR地址。
发送模块 806, 用于向所述 VLR发送至少包含混合位置更新指示和所述 LAI的位置区更新请求消息, 所述位置区更新请求消息用于指示 VLR实现位 置区更新。 位置区确认消息接收模块 807: 用于接收所述 VLR返回的位置区更新确 认消息;
路由区确认消息发送模块 808: 用于位置区确认消息接收模块 807接收到 所述位置区更新确认消息后, 向所述移动终端发送路由区更新确认消息。
其中, 优选的, 所述 SGSN还可以包括路由区更新消息发送模块 809: 用 于向归属位置寄存器 HLR发送路由区更新消息。
本实施例中, 3G网络系统的 SGSN接收到至少包含混合位置更新指示和 RAI的路由区更新请求消息后, 获取移动终端所属 2G网络系统中的 LAI和 VLR地址, 然后向 VLR的地址对应的 VLR发送位置区更新请求消息, 从而 同时实现了路由区和位置区的更新, 减轻了移动终端的工作量,从而解决了耗 电量大, 而最终导致影响移动终端的技术性能的问题。
图 9, 为本发明一种服务支持节点实施例 3的结构示意图, 该装置与装置 实施例 2不同之处在于所述的获取模块 905用于根据所述 RAI和已保存的路 由区域号码, 获取所述移动终端所处 2G网络系统的 LAI, 并根据预先保存的 所述 LAI和 VLR的分配原则, 获取移动终端所处 2G网络系统的 VLR地址。 其它模块功能可互相参见即可, 在此不再贅述。 与上述一种实现位置区更新的方法实施例 4相对应, 图 10, 为本发明一 种访问位置寄存器实施例 1的结构示意图, 该装置可以包括:
位置区请求消息接收模块 1001 , 用于接收至少包含有混合位置更新指示 和位置区识别码 LAI的位置区更新请求消息。
所述位置区更新请求消息是由所述 SGSN响应 SRNS发送的路由区更新请 求而发送的,所述路由区更新请求消息由所述 SRNS在接收到的移动终端发送 的至少包含混合位置更新指示的路由区更新请求消息中添加 RAI后生成。
位置区更新模块 1002, 用于从所述位置区请求消息接收模块 1001接收到 的位置区更新请求消息中获取所述 LAI并至少根据所述 LAI实现位置区更新。
本实施例中 , 在进行 3G网络系统中的路由区更新的同时 , 接收 3G网络 系统中的 SGSN发送位置区更新请求消息,实现对 2G网络系统的位置区更新, 从而实现了移动终端的混合位置区 /路由区的更新, 减轻了移动终端的工作量, 从而解决了耗电量大, 而最终导致影响移动终端的技术性能的问题 图 11 , 为本发明一种访问位置寄存器实施例 2的结构示意图, 包括: 位置区请求消息接收模块 1101 , 用于接收包含有混合位置更新指示和位 置区识别码 LAI的位置区更新请求消息。
所述位置区更新请求消息是由所述 SGSN响应 SRNS发送的路由区更新请 求而发送的,所述路由区更新请求消息由所述 SRNS在接收到的移动终端发送 的至少包含混合位置更新指示的路由区更新请求消息中添加 RAI后生成。
其中, 该位置区更新请求消息中还包括鉴权信息, 该鉴权信息是进行路由 区更新对移动终端进行鉴权时, 由 SGSN与 HLR交互获取的。
鉴权模块 1102, 用于依据所述鉴权信息对所述移动终端进行鉴权; 位置区更新模块 1103 , 用于当所述鉴权模块 1102鉴权成功后, 从所述位 置区更新请求消息中获取所述 LAI并至少根据所述 LAI实现位置区更新。
位置区更新消息发送模块 1104, 用于向归属位置寄存器 HLR发送位置区 更新消息。
位置区确认消息发送模块 1105, 用于向所述 SGSN发送位置区更新确认 消息。
本实施例中, 2G网络系统中的 VLR接收到包含有混合位置更新指示的位 置区更新请求消息后,对移动终端进行鉴权,鉴权成功后在进行位置区的更新, 本实施例的位置区更新可在 3G网络进行路由区更新时同时进行, 从而减轻了 移动终端的工作量,从而解决了耗电量大, 而最终导致影响移动终端的技术性 能的问题。 图 12, 为本发明一种访问位置寄存器实施例 3的结构示意图, 包括: 位置区请求接收模块 1201 , 用于接收包含有混合位置更新指示和位置区 识别码 LAI的位置区更新请求消息。
第二鉴权信息获取模块 1202, 用于与归属位置寄存器 HLR交互获取鉴权 信息;
第二鉴权模块 1203 , 用于依据所述鉴权信息对所述移动终端进行鉴权; 位置区更新模块 1204, 用于当所述第二鉴权模块 1203鉴权成功后, 从所 述位置区更新请求消息获取所述 LAI并至少根据所述 LAI实现位置区更新。
位置区更新消息发送模块 1205 , 用于向归属位置寄存器 HLR发送位置区 更新消息。
路由区确认消息发送模块 1206, 用于向所述 SGSN发送位置区更新确认 消息。 本发明所述的双模式移动终端处于 3G网络 PS域的附着, 以及 2G网络 CS域的附着状态。 所述的双模式移动终端可以具体是支持双模式的 3G手机 或者其它的移动设备。
在实际应用中, 本发明所述的 3G网络系统可以具体是 TD-SCDMA通信 系统、 SCDMA通信系统或者其它的基于 3G技术的通信系统, 所述的 2G网 络系统可以具体为 GSM通信系统。 下面以双模式移动终端在 TD-SCDMA通信系统中的 PS域实现路由区更 新时, 同时对 GSM通信系统进行位置区更新为例, 参见图 13 , 示出了本发明 在实际场景中实现位置更新的信令流程图, 可以包括:
步骤 1301 : 移动终端向 SRNS发送路由区更新请求消息, 该路由区更新 请求消息包含混合位置更新指示。
步骤 1302: SRNS根据该混合位置更新指示, 获知移动终端进行混合更新 过程, 将 RAI加入该路由区更新请求消息, 并发送至 TD-SGSN。
所述 TD-SGSN是指位于 TD-SCDMA通信系统中的 SGSN。
步骤 1303: TD-SGSN与 HLR交互获取鉴权信息。
步骤 1304: 所述 TD-SGSN依据该鉴权信息对移动终端进行鉴权。
步骤 1305: 鉴权成功后, 即 TD-SGSN接收到移动终端的鉴权响应后, 根 据 RAI实现路由区更新。
步骤 1306: 向 HLR发送路由区更新消息。
步骤 1307: 获取移动终端所属 GSM系统的 LAI和 VLR地址。
其中, 所述的 LAI可以为移动终端在 GSM系统监听获取的, 或者在联合 布网情况下, 根据 LAI=RAI+RAC, 来获得该 LAI。 然后根据 LAI与 VLR的 分配原则, 获知 VLR的地址。
步骤 1308: 向所述 VLR发送位置区更新请求消息。
其中, 所述位置区更新请求消息中包含混合位置更新指示, 以及 LAI, 所 述位置区更新请求消息还包括所述鉴权信息。
步骤 1309: 根据所述鉴权信息对移动终端进行鉴权。
其中, 当 VLR接收的位置区更新请求消息中不包括该鉴权信息, 则, 所 述 VLR还可以与 HLR交互获取该鉴权信息。
步骤 1310: 鉴权成功后, 即 VLR接收到移动终端的鉴权响应, 与 MSC 交互, 实现位置区更新。
步骤 1311 : 所述 VLR向 HLR发送位置区更新消息。
步骤 1312: 所述 VLR向 TD-SGSN发送位置区更新确认消息。
步骤 1313: 所述 TD-SGSN接收到位置更新确认消息后, 向移动终端发送 路由区更新确认消息 , 以通知移动终端接受更新。
本实施例中, 位于 TD-SCDMA通信系统中的双模式移动终端在进行路由 区更新时, 同时进行 GSM通信系统中的位置区更新, 无需移动终端分别在两 个系统中进行更新, 实现了路由区和位置区的混合更新的过程,从而减轻了移 动终端的工作量, 减少了耗电量, 提高了移动终端的技术性能。
需要说明的是,在本文中,诸如第一和第二等之类的关系术语仅仅用来将 一个实体或者操作与另一个实体或操作区分开来,而不一定要求或者暗示这些 实体或操作之间存在任何这种实际的关系或者顺序。 而且, 术语 "包括"、 "包 含"或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素 的过程、 方法、 物品或者设备不仅包括那些要素, 而且还包括没有明确列出的 其他要素, 或者是还包括为这种过程、 方法、 物品或者设备所固有的要素。 在 没有更多限制的情况下, 由语句 "包括一个 ... ... " 限定的要素, 并不排除在包 括所述要素的过程、 方法、 物品或者设备中还存在另外的相同要素。
为了描述的方便, 描述以上装置时以功能分为各种单元分别描述。 当然, 在实施本申请时可以把各单元的功能在同一个或多个软件和 /或硬件中实现。
本说明书中各个实施例采用递进的方式描述,每个实施例重点说明的都是 与其他实施例的不同之处,各个实施例之间相同相似部分互相参见即可。对于 实施例公开的装置而言, 由于其与实施例公开的方法相对应, 所以描述的比较 简单, 相关之处参见方法部分说明即可。
对所公开的实施例的上述说明,使本领域专业技术人员能够实现或使用本 发明。 对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见 的, 本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下, 在 其它实施例中实现。 因此, 本发明将不会被限制于本文所示的这些实施例, 而 是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。

Claims

权 利 要 求
1、 一种实现位置更新的方法, 其特征在于, 所述方法包括:
接收服务无线网路子系统 SRNS 发送的至少包含混合位置更新指示和路 由区识别码 RAI 的路由区更新请求消息, 所述至少包含混合位置更新指示和 RAI的路由区更新请求消息是由所述 SRNS在接收到的移动终端发送的至少包 含混合位置更新指示的路由区更新请求消息中添加所述 RAI后生成;
从所述至少包含混合位置更新指示和 RAI的路由区更新请求消息中获取 所述 RAI并至少根据所述 RAI进行路由区更新;
至少根据所述至少包含混合位置更新指示和 RAI的路由区更新请求消息 获取所述移动终端所处 2G 网络系统的位置区识别码 LAI和访问位置寄存器 VLR的地址;
向所述 VLR的地址对应的 VLR发送至少包含所述混合位置更新指示和所 述 LAI的位置区更新请求消息, 以使所述 VLR的地址对应的 VLR至少根据 所述位置区更新请求消息实现位置区更新。
2、 根据权利要求 1所述的方法, 其特征在于, 当所述至少包含混合位置 更新指示和路由区识别码 RAI的路由区更新请求消息还包含移动终端在 2G网 络系统监听获取的位置区识别码 LAI 时, 所述至少根据所述至少包含混合位 置更新指示和 RAI的路由区更新请求消息获取所述移动终端所处 2G网络系统 的位置区识别码 LAI和访问位置寄存器 VLR的地址包括:
从所述至少包含混合位置更新指示和路由区识别码 RAI的路由区更新请 求消息中获取所述移动终端所处 2G网络系统的 LAI;
根据预先保存的 LAI和 VLR的分配原则, 获取移动终端所处 2G网络系 统的 VLR的地址。
3、 根据权利要求 1所述的方法, 其特征在于, 所述至少根据所述至少包 含混合位置更新指示和 RAI的路由区更新请求消息获取所述移动终端所处 2G 网络系统的位置区识别码 LAI以及访问位置寄存器 VLR的地址包括:
根据所述 RAI和已保存的路由区域号码,获取所述移动终端所处 2G网络 系统的 LAI;
根据预先保存的所述 LAI和 VLR的分配原则, 获取移动终端所处 2G网 络系统的 VLR的地址。
4、 一种实现位置更新的方法, 其特征在于, 包括:
接收至少包含混合位置更新指示和位置区识别码 LAI 的位置区更新请求 消息, 所述位置区更新请求消息是由 3G网络系统的服务支持节点 SGSN响应 SRNS发送的路由区更新请求而发送的, 所述路由区更新请求由所述 SRNS在 接收到的移动终端发送的至少包含混合位置更新指示的路由区更新请求消息 中添加 RAI后生成;
从所述位置区更新请求消息中获取 LAI并至少根据所述 LAI实现位置区 更新。
5、 根据权利要求 4所述的方法, 其特征在于, 所述位置区更新请求消息 还包含鉴权信息, 所述至少根据所述 LAI实现位置区更新包括:
至少根据所述鉴权信息对所述移动终端进行鉴权;
当鉴权成功后, 从所述位置区更新请求消息中获取 LAI并至少根据所述 LAI实现位置区更新。
6、 一种服务支持节点, 其特征在于, 包括:
路由区请求消息接收模块,用于接收服务无线网路子系统 SRNS发送的至 少包含混合位置更新指示和路由区识别码 RAI的路由区更新请求消息, 所述 至少包含混合位置更新指示和路由区识别码 RAI的路由区更新请求消息是由 所述 SRNS 在接收到的移动终端发送的至少包含混合位置更新指示的路由区 更新请求消息中添加所述 RAI后生成;
路由区更新模块,用于从所述接收模块接收到的至少包含混合位置更新指 示和 RAI的路由区更新请求消息中获取所述 RAI并至少根据所述 RAI进行路 由区更新;
获取模块, 用于至少根据所述至少包含混合位置更新指示和 RAI的路由 区更新请求消息获取所述移动终端所处 2G网络系统的位置区识别码 LAI和访 问位置寄存器 VLR的地址;
发送模块,用于向所述 VLR的地址对应的 VLR发送至少包含所述混合位 置更新指示和所述 LAI的位置区更新请求消息, 以使所述 VLR的地址对应的 VLR至少根据所述位置区更新请求消息实现位置区更新。
7、 根据权利要求 6所述的服务支持节点, 其特征在于, 所述获取模块具 体用于当所述至少包含混合位置更新指示和路由区识别码 RAI的路由区更新 请求消息还包含移动终端在 2G网络系统监听获取的 LAI时,从所述接收模块 接收到路由区更新请求消息中获取所述移动终端所处 2G网络系统的 LAI, 并 根据预先保存的 LAI和 VLR的分配原则, 获取移动终端所处 2G网络系统的 VLR的地址。
8、 根据权利要求 6所述的服务支持节点, 其特征在于, 所述获取模块具 体用于根据所述 RAI和已保存的路由区域号码,获取所述移动终端所处 2G网 络系统的 LAI, 并根据预先保存的所述 LAI和 VLR的分配原则, 获取移动终 端所处 2G网络系统的 VLR的地址。
9、 一种访问位置寄存器, 其特征在于, 包括:
位置区请求消息接收模块,用于接收至少包含混合位置更新指示和位置区 识别码 LAI的位置区更新请求消息,所述位置区更新请求消息是由 3G网络系 统的服务支持节点 SGSN响应 SRNS发送的路由区更新请求而发送的,所述路 由区更新请求消息由所述 SRNS 在接收到的移动终端发送的至少包含混合位 置更新指示的路由区更新请求消息中添加 RAI后生成;
位置区更新模块,用于至少根据所述位置区请求消息接收模块接收到的位 置区更新请求消息包含的所述 LAI实现位置区更新。
10、 根据权利要求 9所述的访问位置寄存器, 其特征在于, 当所述位置区 更新请求消息还包含鉴权信息, 则, 所述装置还包括:
鉴权模块, 用于根据所述鉴权信息对所述移动终端进行鉴权; 贝' J , 所述位置区更新模块具体用于当所述鉴权模块鉴权成功后,至少根据所述 位置区更新请求消息接收模块接收到的位置区更新请求消息包含的所述 LAI 实现位置区更新。
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