CN100446622C - Moving exchanging center switching method of location updating and user imputing - Google Patents

Moving exchanging center switching method of location updating and user imputing Download PDF

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Publication number
CN100446622C
CN100446622C CN 200610034734 CN200610034734A CN100446622C CN 100446622 C CN100446622 C CN 100446622C CN 200610034734 CN200610034734 CN 200610034734 CN 200610034734 A CN200610034734 A CN 200610034734A CN 100446622 C CN100446622 C CN 100446622C
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user
mobile
switching center
mobile switching
base station
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CN 200610034734
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Chinese (zh)
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CN1859785A (en )
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叶思海
昉 尤
峻 方
岩 李
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华为技术有限公司
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATIONS NETWORKS
    • H04W60/00Registration, e.g. affiliation to network; De-registration, e.g. terminating affiliation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATIONS NETWORKS
    • H04W36/00Handoff or reselection arrangements
    • H04W36/12Reselecting a serving backbone network switching or routing node

Abstract

本发明公开一种位置更新方法,该方法主要包括:用户移动台发起位置更新;响应该位置更新的移动交换中心向该用户移动台分配包含指示该用户归属移动交换中心信息的临时移动用户身份,完成位置更新。 The present invention discloses a location update method, the method including: a user mobile station initiates a location update; location update response to the mobile switching center assigned to the user of the mobile station includes an indication that the user Temporary Mobile Subscriber Identity information of the home mobile switching center, complete location update. 相应地,本发明还公开一种用户归属的移动交换中心切换方法。 Accordingly, the present invention also discloses a subscriber's home mobile switching center handover method. 本发明通过增加临时移动用户身份分配流程,移动业务交换中心在用户位置更新或业务请求时分配临时移动用户身份,基站控制器根据消息中临时移动用户身份中所含的网络资源指示选择移动交换中心,从而实现在基站控制器所连的一个移动交换中心设备升级维护,过载或者瘫机后,其所连的其它可用移动交换中心可以为该基站控制器所覆盖范围内的用户服务。 Identity allocation process of the present invention, a mobile services switching center allocates a temporary mobile subscriber identity when the user requests a location update or a service by increasing the temporary mobile subscriber, the base station controller selects a mobile switching center according to the network resource Temporary Mobile Subscriber Identity message indication contained , thereby achieving a mobile station attached to the controller switching center equipment upgrade and maintenance, the machine overload or paralysis, other available mobile switching center they are attached may be a user service within that covered by a base station controller.

Description

位置更新及用户归属的移动交换中心切换方法技术领域本发明涉及移动通信技术领域,更具体的说,本发明涉及一种码分多址移动通信网络中的位置更新及用户归属的移动交换中心切换方法。 Location updating and user home mobile switching center switch TECHNICAL FIELD The present invention relates to the field of mobile communications, and more particularly, the present invention relates to a CDMA mobile communication network and the subscriber's home location update of the mobile switching center switch method. 背景技术通常在移动通信网络中组网方式是星型的,例如码分多址移动通信网络中, 一个基站控制器(Base Station Control, BSC)只能接一个移动交换中心(Mobile Switch Center, MSC ), 一个MSC则可以接多个BSC,如图l所示, 这种MSC与BSC之间1:N的关系制约了组网的灵活性,首先,如果因为用户容量扩容需要增加一个MSC节点到现有网络中去,则必须同时增加至少一个BSC设备(即使接入网覆盖和用户处理能力已经足够),否则该新增MSC将无法工作;另外,目前MSC的用户容量越来越大,当一个MSC在停机升级维护,过栽或者发生故障宕才几时,下挂的所有BSC都将失去作用,在该MSC下所连的所有BSC所覆盖的无线范围内的用户都将无法进行电路业务通信,对用户的影响非常大,也是运营商所不能容忍的。 Background Art Generally in a mobile communication network in a star networking, such as code division multiple access mobile communication network, a base station controller (Base Station Control, BSC) only by one mobile switching center (Mobile Switch Center, MSC ), a plurality of the BSC can be connected to the MSC, shown in Figure l, between the MSC and this BSC 1: N relationship restricts the flexibility of networking, firstly, if the expansion capacity because the user need to add a node to the MSC to the existing network, you must also add at least one BSC equipment (even if the user access network coverage and sufficient processing power), otherwise the new MSC will not work; in addition, the current MSC user capacity increases, when one MSC during shutdown upgrade and maintenance, over planted or malfunctions dang only when, all the BSC under hanging will lose effect, users all BSC at the MSC are attached covered by radio range will not be able to service the communication circuit , a very large impact on users, operators also can not tolerate. 业界迫切需要实现在BSC所连的一个MSC设备升级维护,过栽或者瘫机后,让其所连的其它可用MSC可以为该BSC所覆盖范围内的用户服务。 The industry's urgent need to achieve a BSC in the connected MSC equipment upgrade and maintenance, over-planting machine or paralysis after, even let other available MSC's customer service within the range can be covered for the BSC. 发明内容本发明解决的技术问题是提供一种位置更新及用户归属的移动交换中心切换方法,以实现在BSC所连的一个MSC设备升级维护,过载或者瘫机后, 让其所连的其它可用MSC可以为该BSC所覆盖范围内的用户服务。 SUMMARY OF THE INVENTION The present invention solves is to provide a location update and the user's home MSC handover method, implemented in one MSC to the BSC connected equipment upgrades maintenance machine after overload or paralysis, so that they are available even in other MSC can be covered by the user for the service within the BSC. 为解决上述问题,本发明的位置更新方法,包括: 用户移动台向基站控制器发送位置更新消息; To solve the above problem, a location update method of the present invention, comprising: a user mobile station sends a location update message to the base station controller;

基站控制器检测所述位置更新消息中是否携带有指示该用户归属移动交换中心的网络资源指示信息,若检查结果为是,则向所述网络资源指示指示的移动交换中心发送位置更新消息,否则,向基于用户的国际移动台标识路由到的移动交换中心发送位置更新消息。 The base station controller detects whether the location update message indicates that the user carries a mobile switching center of the home network resource indication information, if the check result is YES, the mobile switching center sends a location update message to the network resource indication indicates otherwise , based on the user's international mobile station identity routed to the mobile switching center transmits a location update message.

响应该位置更新的移动交换中心向该用户移动台分配包含指示该用户归属移动交换中心信息的临时移动用户身份,完成位置更新,所述指示用户归属移动交换中心信息为网络资源指示。 Location update response to the mobile switching center assigned to the user of the mobile station includes an indication that the user belongs to Temporary Mobile Subscriber Identity information of the mobile switching center, a location update is completed, the mobile switching center instructs the user home network resource indication information.

其中,所述响应该位置更新的移动交换中心向该用户移动台分配包含指示该用户归属移动交换中心信息的临时移动用户身份,完成位置更新的步骤具体包括: Wherein the step of, in response to the temporary identity of the mobile subscriber location update of the mobile switching center assigned to the user of the mobile station includes an indication that the user information home mobile switching center, the completion of the location update comprises:

响应用户位置更新的移动交换中心向用户移动台返回携带网络资源指示的临时移动用户身份分配消息; The location update response to the user's mobile switching center, the mobile station returns a temporary mobile subscriber identity carrying the network resource allocation message indicating to a user;

用户移动台向移动交换中心返回临时移动用户身份分配完成消息; User of the mobile station returns Temporary Mobile Subscriber Identity assignment complete message to the MSC;

移动交换中心向用户移动台返回位置更新完成消息。 The mobile switching center the mobile station returns a location update complete message to the user.

相应地,本发明的一种用户归属移动交换中心切4奐方法,该方法主要包 Accordingly, the present invention is a user-home mobile switching center 4 Huan cutting method of the main package

括: include:

基站控制器确定用户归属的移动交换中心不可用,该用户移动台发起位置更新,并根据可用移动交换中心的指示,删除本地保存的临时移动用户身份; The base station controller determines the user's home mobile switching center is not available, the user of the mobile station initiates location update, according to an indication of available mobile switching center, deleting the locally stored Temporary Mobile Subscriber Identity;

基站控制器从其连接的多个移动交换中心中选择一个移动交换中心作为该用户归属的移动交换中心;所述基站控制器选择的移动交换中心向该用户移动台分配包含指示用户归属于该选择的移动交换中心信息的临时移动用户身份,切换为该用户归属的移动交^:中心。 The base station controller selects one mobile switching center as the user's home mobile switching center from a plurality of mobile switching centers connected; the base station controller selects the mobile switching center of a mobile station assigned to the user comprises indicating that the user belongs to the selection the mobile switching center temporary mobile subscriber identity information, the mobile switching AC ^ for the home users: center.

可选地,所述基站控制器确定用户归属的移动交换中心不可用,该用户 Alternatively, the base station controller determines the user's home mobile switching center is not available, the user

移动台发起位置更新的步骤具体包括: The step of initiating a location update of the mobile station comprises:

用户移动台使用包含网络资源指示的临时移动用户身份进行位置登记, 基站控制器确定该临时移动用户身份指向的用户归属的移动交换中心不可用,则根据本地策略从其连接的移动交换中心中任选一个可用的移动交换中 User of the mobile station using the temporary mobile subscriber identity comprise the network resource indication location registration, the base station controller determines that the Temporary Mobile Subscriber Identity of the user points to the home mobile switching center is not available, then any connection from the mobile switching center according to a local policy is selected from an available mobile switching

心,向其发送位置更新请求消息; Heart, send a location update request message;

基站控制器选择的移动交换中心发现该用户的临时移动用户身份不是自 The base station controller selects a mobile switching center found Temporary Mobile Subscriber Identity of the user is not a self-

己分配,则下发临时移动用户身份分配消息; Been allocated, the Temporary Mobile Subscriber Identity issued allocation message;

用户移动台收到移动用户身份分配消息后删除本地保存的临时移动用户身份,返回分配完成消息,基站控制器转发该消息到其选择的移动交换中心; The mobile station receives the mobile user to delete the locally stored subscriber identity Temporary Mobile Subscriber Identity after allocation message, returns an Assignment Complete message, the base station controller forwards the message to the mobile switching center of their choice;

基站控制器选择的移动交换中心向用户移动台返回位置登记拒绝消息; The base station controller selects a mobile switching center, the mobile station returns the location registration reject message to the user;

用户移动台向基站控制器发送位置更新消息。 User of the mobile station sends a location update message to the base station controller.

可选地,所述基站控制器确定用户归属的移动交换中心不可用,该用户移动台发起位置更新的步骤具体包括: Alternatively, the base station controller determines the user's home mobile switching center is not available, the step of the user of the mobile station initiates a location update comprises:

用户移动台使用包含网络资源指示的临时移动用户身份进行始呼,基站控制器确定该临时移动用户身份指向的用户归属的移动交换中心不可用,则根据本地策略从其连接的多个移动交换中心中任选一个可用的移动交换中心,向其发送连接管理CM业务请求消息; User of the mobile station using the temporary mobile subscriber identity is an indication of network resources comprising original call, the base station controller determines that the Temporary Mobile Subscriber Identity of the user points to the home mobile switching center is not available, from the plurality of mobile switching center according to the local policy optionally available in a mobile switching center, the connection manager CM to send the service request message;

基站控制器选择的移动交换中心发现该临时移动用户身份不是自己分配而且原来分配临时移动用户身份的用户归属的移动交换中心不可用,则下发临时移动用户身份分配消息;用户移动台收到所述临时移动用户身份分配消息后删除本地保存的临时移动用户身份,返回临时移动用户身份分配完成消息,基站控制器转发所述 The base station controller selects a mobile switching center found that the Temporary Mobile Subscriber Identity and the user is not assigned their original assigned Temporary Mobile Subscriber Identity of the home mobile switching center is not available, the Temporary Mobile Subscriber Identity issued allocation message; mobile station receives the user temporary mobile Subscriber identity deletion of said stored locally after the temporary mobile Subscriber identity allocation message returns the temporary mobile Subscriber identity assignment complete message, the base station controller forwards the

临时移动用户身份分配完成消息到基站控制器选择的移动交换中心; 基站控制器选择的移动交换中心返回用户移动台连接拒绝消息; 用户移动台向基站控制器发送位置更新消息。 Temporary Mobile Subscriber Identity assignment complete message to the base station controller selects a mobile switching center; base station controller selects a mobile switching center returns the user of the mobile station connection reject message; user of the mobile station sends a location update message to the base station controller.

可选地,所述基站控制器确定用户归属的移动交换中心不可用,该用户移动台发起位置更新的步骤具体包括: Alternatively, the base station controller determines the user's home mobile switching center is not available, the step of the user of the mobile station initiates a location update comprises:

用户移动台上发包含网络资源指示的临时移动用户身份的寻呼响应,基站控制器确定该临时移动用户身份指向的用户归属的移动交换中心不可用, 则根据本地策略从其连接的多个移动交换中心中任选一个可用的移动交换中心,向其发送寻呼响应消息; Paging response Temporary Mobile Subscriber Identity of the user comprises a mobile station sent an indication of network resources, the base station controller determines that the Temporary Mobile Subscriber Identity of the user points to the home mobile switching center is not available, the connection according to the local policy from a plurality of mobile a switching center optionally available mobile switching center to send paging response message;

基站控制器选择的移动交换中心发现该临时移动用户身份不是自己分配而且原来分配临时移动用户身份的用户归属的移动交换中心不可用,则下发临时移动用户身份分配消息; The base station controller selects a mobile switching center found that the Temporary Mobile Subscriber Identity and the user is not assigned their original assigned Temporary Mobile Subscriber Identity of the home mobile switching center is not available, the Temporary Mobile Subscriber Identity issued allocation message;

用户移动台收到所述临时移动用户身份分配消息后删除本机保存的临时移动用户身份,返回临时移动用户身份分配完成消息,基站控制器转发所述临时移动用户身份分配完成消息到基站控制器选择的移动交换中心; Delete local user of the mobile station stored after receiving the assignment message Temporary Mobile Subscriber Identity Temporary Mobile Subscriber Identity, Temporary Mobile Subscriber Identity returns assignment complete message, the base station controller to forward the temporary mobile subscriber identity assignment complete message to the base station controller selecting a mobile switching center;

基站控制器选择的移动交换中心返回用户移动台连接拒绝消息; The base station controller selects a mobile switching center returns the user of the mobile station connection reject message;

用户移动台向基站控制器发送位置更新消息。 User of the mobile station sends a location update message to the base station controller.

可选地,所述基站控制器确定用户归属的移动交换中心不可用,该用户移动台发起位置更新的步骤具体包括: Alternatively, the base station controller determines the user's home mobile switching center is not available, the step of the user of the mobile station initiates a location update comprises:

用户移动台上发包含网络资源指示的临时移动用户身份的无连接消息, 基站控制器确定该临时移动用户身份指向的用户归属的移动交换中心不可用,则根据本地策略从其连接的多个移动交换中心中任选一个可用的移动交换中心,向其转发所述无连接消息; No user connection message comprising a mobile station network resource indication issued temporary mobile user identity, the base station controller determines that the Temporary Mobile Subscriber Identity of the user points to the home mobile switching center is not available, the connection according to the local policy from a plurality of mobile optionally a switching center of the mobile switching center is available, to forward the connectionless message;

所述基站控制器选择的移动交换中心发现该临时移动用户身份不是自己分配而且原来分配临时移动用户身份的用户归属的移动交换中心不可用,下发临时移动用户身份分配消息; The base station controller selects a mobile switching center found that the Temporary Mobile Subscriber Identity allocated but not their previously allocated temporary mobile subscriber identity of the subscriber's home mobile switching center is not available, issued Temporary Mobile Subscriber Identity allocation message;

用户移动台收到所述临时移动用户身份分配消息后删除本机保存的临时移动用户身份,返回临时移动用户身份分配完成消息,基站控制器转发临时移动用户身份分配完成消息到基站控制器选择的移动交换中心; The user of the mobile station receives the assigned temporary mobile subscriber identity stored by the message deletion Temporary Mobile Subscriber Identity, Temporary Mobile Subscriber Identity returns assignment complete message, the base station controller forwards the Temporary Mobile Subscriber Identity assignment complete message to the selected base station controller a mobile switching center;

基站控制器选择的移动交换中心返回连接拒绝消息; The base station controller selects a mobile switching center return connection reject message;

用户移动台向基站控制器发送位置更新消息。 User of the mobile station sends a location update message to the base station controller.

其中,所述基站控制器通过下述方式确定用户归属的移动交换中心不可 Wherein said base station controller by the user is determined as follows is not a home mobile switching center

用: use:

基站控制器与用户归属的移动交换中心建立握手,当握手失败时确定用户归属的移动交换中心不可用;或 The home base station controller and mobile switching center the user to establish handshake to determine the home mobile switching center the user is not available when the handshake failure; or

基站控制器判断与用户归属的移动交换中心之间的链路状态,当所有链路故障,移动交换中心信令点不可达时确定用户归属的移动交换中心不可用; 或 The link status between a mobile switching center and the base station controller determines the user's home, a home of a user to determine when all the link failure, the mobile switching center signaling point does not reach the mobile switching center is unavailable; or

网管系统通知基站控制器用户归属的移动交换中心不可用。 NMS notifies the home base station controller of the mobile switching center the user is unavailable.

其中,基站控制器按照下述方式从其连接的移动交换中心中选择一个移动交换中心作为该用户归属的移动交换中心: Wherein the base station controller in the following manner to select a mobile switching center of the user as a mobile switching center from a home mobile switching center connected:

基站控制器从其连接的多个正常工作的移动交换中心中随机选择一个; A mobile switching center connected to a plurality of base station controllers from the normal operation of a random selection;

or

基站控制器从其连接的多个正常工作的移动交换中心中选择一个负荷最轻的。 The base station controller selects a plurality of load from the normal operation of the mobile switching center connected to the lightest.

其中,所述基站控制器选择的移动交换中心向该用户移动台分配包含指示用户归属于该选择的移动交换中心信息的临时移动用户身份,切换为该用户归属的移动交换中心的步骤具体包括:移动交换中心向用户移动台返回携带网络资源指示的临时移动用户身份分配消息;用户移动台向移动交换中心返回临时移动用户身份分配完成消息; 移动交换中心向用户移动台返回位置更新完成消息。 Wherein the base station controller selects a mobile switching center assigned to the mobile station comprises a user indicating that the user belongs to Temporary Mobile Subscriber Identity information of the mobile switching center of the selection, the step for the user to switch the home mobile switching center comprises: the mobile switching center to the subscriber station returns temporary mobile user carries the mobile network resource assignment message indicative of the identity; user returns the mobile station temporary mobile Subscriber identity assignment complete message to the MSC; mobile switching Center to the mobile subscriber station to return a location update completion message. 与现有技术相比,本发明具有以下有益效果:本发明通过在CDMA A接口增加TMSI分配流程,MSC在用户位置更新或业务请求时分配TMSI,在TMSI中包含NRI,用于指示用户归属的MSC, BSC根据消息中TMSI中所含的NRI选择MSC,从而实现在BSC所连的一个MSC设备升级维护,过载或者瘫机后,让其所连的其它可用MSC可以为该BSC所覆盖范围内的用户服务。 Compared with the prior art, the present invention has the following advantages: the present invention by increasing the TMSI assignment procedure in CDMA A interfaces, the MSC TMSI assigned when the user requests a location update or a service, comprising the NRI in the TMSI, indicating that the user's home MSC, BSC an MSC in accordance with NRI TMSI contained in the message, in order to achieve a device to upgrade the BSC MSC connected maintenance after overload or paralysis machine, so that it is connected to other MSC within the available range covered by that BSC customer service. 附图说明图1是现有"t支术一种码分多址移动通信网络筒单组网示意图;图2是本发明A-Flex组网示意图;图3是本发明采用的TMSI结构示意图;图4是本发明位置更新方法的处理流程示意图;图5是本发明用户归属移动交换中心切换方法的主要流程图;图6是本发明用户归属移动交换中心切换方法的第一实施例流程图;图7是本发明用户归属移动交换中心切换方法的第二实施例流程图;图8是本发明用户归属移动交换中心切换方法的第三实施例流程图;图9是本发明用户归属移动交换中心切换方法的第四实施例流程图。 具体实施方式本发明基于A-Flex机制实现,所谓A-Flex即如果一个BSC能同时连接多个MSC,就能在一个MSC设备升级维护,过载或者瘫机后,让其所连的其它可用MSC为该BSC所覆盖范围内的用户服务。A-Flex机制本身可使得多个MSC节点之间的负载均衡和负载重新 BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a conventional "t branched one kind of CDMA mobile communication operation network networking diagram single cylinder; FIG. 2 is a schematic A-Flex networking present invention; FIG. 3 is a schematic view of the structure of the present invention employed TMSI; FIG 4 is a process flow of location updating method of the present invention, a schematic diagram; FIG. 5 is a user of the present invention is a main flowchart home MSC handover method; FIG. 6 is a user of the present invention is a home mobile switching center to the first embodiment of the handover method flowchart; FIG 7 is a flowchart for a second embodiment of the present invention resides in a mobile switching center a handover method; FIG. 8 is a flowchart of a third embodiment of the present invention, the user home MSC handover method; and FIG. 9 of the present invention is a user home MSC a flowchart of a fourth embodiment of a handover method. DETAILED DESCRIPTION the present invention is based on a-Flex mechanism implemented, the so-called a-Flex i.e. if BSC can simultaneously connect a plurality of MSC, an MSC will be able to upgrade and maintenance equipment, machine overloaded or paralysis after they are attached so that other BSC available for users covered by the MSC service .A-Flex mechanism itself may be such that the range of load and load balancing between the plurality of nodes to re-MSC 分配成为可能,能够有效避免单个节点过载情况的出现。A-Flex组网如图2所示,其中池的范围由多个BSC的无线覆盖范围组成, 该多个BSC被池中所有MSC (至少两个)共同服务。池可以理解为一个逻辑的概念,本质上由BSC上的路由机制决定,可以看到池中每个BSC都和池中所有MSC相连,可以在所有MSC中间《壬意选择。综上,上述Flex具有如下特点:1. ) 一个BSC可以接多个MSC。2. )正常情况下,BSC基于用户的标识以一定的算法决定核心网的路由, 用户在池内漫游时不改变归属的MSC。3. ) —个MSC故障时,BSC改变算法,确定到可用路径的新路由。 本发明中为实现A-Flex,在CDMA A接口增加TMSI分配流程,MSC在用户位置更新或业务请求时分配TMSI,如图3所示,本发明中在TMSI中包含网络资源指示(Network Resource Indicator, NRI ),用于指示用户归属的MSC, NRI表示一个唯一的核心网节 Allocation becomes possible to effectively prevent a single node overload occurs .A-Flex networking shown in Figure 2, the range in which the radio coverage of the pool plurality composition BSC, the BSC is that all MSC pool plurality (at least two) common services. pool can be understood as a logical concept, essentially determined by the routing mechanism on the BSC, BSC can see each pool and are all connected to MSC pool, can all MSC intermediate "Wang intended to choose . in summary, the above Flex has the following characteristics: 1) can be connected to a plurality of BSC MSC.2) normally, BSC based on the user's identity to a certain routing algorithm determines the core network, the user in the pool does not change when roaming. attribution MSC.3) -. when a failure of the MSC, the BSC to change the algorithm determines a new route to an available path, the present invention is to achieve a-Flex, the CDMA a interface adds TMSI assignment procedure, MSC location update user or business. TMSI allocation request, shown in Figure 3, the present invention includes a network resource indication (network resource Indicator, NRI) in TMSI, indicating that the user's home MSC, NRI denotes a single core network section ,是BSC寻址核心网节点的地址信息,NRI与核心网节点之间的对应关系,在池内所有BSC中统一配置。NRI长度的A见划在网络规划初期一步到位,可以预留NRI节点资源为后续扩容。MS在TMSI有效期间,在上发消息时携带MSC分配的TMSI, BSC根据TMSI中的NRI选择MSC,只有在MS没有携带TMSI而是携带IMSI的时候,才使用基于IMSI的路由算法选择MSC,本发明中通过TMSI在CDMA A-Flex中的使用能够方便在整个业务过程中将消息路由到同一个MSC。 , Address information BSC addressing the core network node, the corresponding relationship between the NRI and the core network nodes in the pool all the BSC A unified configuration .NRI see the length of the stroke in the early stages of network planning in one step, node resources can be reserved for NRI .MS for subsequent expansion of the effective period TMSI, allocated by the MSC when carrying the TMSI message, the BSC according to the NRI in the TMSI selected MSC, not only when carrying the TMSI but carries the IMSI of the MS, only a routing algorithm based on the use of IMSI select MSC, according to the present invention, by using TMSI in CDMA a-Flex can be conveniently routed in the message traffic throughout the process to the same MSC. 下面结合图4说明本发明分配TMSI的位置更新流程。 Described below in connection with FIG. 4 of the present invention, the TMSI assigned location update procedure. 本发明中CDMA终端用户移动台MS是支持TMSI流程的,当用户移动台发起位置更新后,响应该位置更新的移动交换中心向该用户移动台分配包含指示该用户归属移动交换中心信息的临时移动用户身份,完成位置更新。 In the present invention, the end-user CDMA mobile station MS is supported TMSI process, when the mobile user initiates a location update, the location update response to the mobile switching center assigned to the user of the mobile station includes an indication that the user belongs to the mobile switching center information temporary mobile user identity, location update is completed. 具体实现时,用户移动台通过基站控制器向移动交换中心发送位置更新消息后,基站控制器检查所述位置更新消息中是否携带有指示该用户归属移动交换中心的网络资源指示信息,若检查结果为位置更新消息中未携带网络资源指示,则BSC可判定本次位置更新为用户移动台的第一次位置更新,具体处理流程如下:基站控制器根据用户移动台的IMSI进行路由选择其归属的MSC,向该MSC发送位置更新消息,该MSC则向用户移动台发送TMSI分配消息,所述TMSI分配消息中包含指示该用户归属的移动交换中心的NRI,用户移动台则向所述MSC返回TMSI分配完成消息,NRI指示的MSC返回用户移动台位置更新完成消息;若检查结果为所述位置更新消息中携带NRI,则BSC可判定本次位置更新为移动台的后续位置更新,具体处理流程如下:BSC向所述NRI指示的MSC发送位置更新消息,NRI指示 After the specific implementation, the user of the mobile station sends a location update message to the mobile switching center via the base station controller, a base station controller checks whether the location update message carries an indication that the user home network resource information indicating the mobile switching center, if the check result for the location update message does not carry the indication of network resources, the BSC may determine the current user of the mobile station location update to the first location update, the specific process is as follows: the base station controller its home routing according to a user of a mobile station IMSI MSC, sends a location update message to the MSC, the MSC transmits the TMSI to the user of the mobile station assignment message, the NRI of the user's home mobile switching center of the TMSI allocation message comprises an indication, the user of the mobile station to the MSC returns the TMSI assignment complete message, MSC NRI indicated by the mobile station user returns a location update complete message; if the result of the check the location update message carries the NRI, the BSC may determine the current location update for subsequent update of location of the mobile station, the specific process is as follows : MSC BSC transmits the location update indication to the NRI message, indicating NRI 的MSC向用户移动台返回TMSI分配指示信息,所述TMSI分配消息中包含指示该用户归属的MSC的NRI,用户移动台则向所述MSC返回TMSI分配完成消息,NRI 指示的MSC返回用户移动台位置更新完成消息。 MSC of the mobile station returns to the user TMSI allocation indication information, the user home MSC NRI of the TMSI allocation message comprises an indication, the user of the mobile station to the MSC returns the TMSI assignment complete message, the MSC returns the user indicating NRI mobile station location update completion message. 基于上述位置更新流程,本发明中在用户归属的MSC不可用(例如故障或超负荷等)时,还可实现用户归属MSC的切换。 When based on the location update procedure, the present invention is in the user's home MSC is unavailable (e.g., a failure or overload, etc.), the user can achieve home MSC handover. 参考图5,该图是本发明用户归属移动交换中心切换方法的主要流程图, 具体主要包括以下流程: Referring to Figure 5, which is a main flowchart for the present invention is a home mobile switching center a handover method, specifically including the following processes:

步骤11,基站控制器确定用户归属的移动交换中心不可用,本发明中所述基站控制器具体可通过下述方式确定用户归属的移动交换中心不可用: Step 11, the base station controller determines the user's home mobile switching center is not available, the base station controller in the present invention may determine the particular subscriber's home mobile switching center is not available in the following manner:

基站控制器与用户归属的移动交换中心建立握手,当握手失败时确定用户归属的移动交换中心不可用;或 The home base station controller and mobile switching center the user to establish handshake to determine the home mobile switching center the user is not available when the handshake failure; or

基站控制器判断与用户归属的移动交换中心之间的链路状态,当所有链路故障,移动交换中心信令点不可达时确定用户归属的移动交换中心不可用; 或 The link status between a mobile switching center and the base station controller determines the user's home, a home of a user to determine when all the link failure, the mobile switching center signaling point does not reach the mobile switching center is unavailable; or

网管0&M系统通知基站控制器用户归属的移动交换中心不可用。 NM 0 & M system the base station controller notifies the user's home mobile switching center is not available. 步骤12,该用户移动台发起位置更新。 Step 12, the user of the mobile station initiates a location update.

步骤13,基站控制器从其连接的多个移动交换中心中选择一个移动交换中心作为该用户归属的移动交换中心,本发明中所述基站控制器可按照下述方式从其连接的移动交换中心中选择一个移动交换中心作为该用户归属的移动交换中心: Step 13, the base station controller selects one mobile switching center from a plurality of mobile switching centers connected to the user as a home mobile switching center, base station controller in the present invention may be in the following manner from a mobile switching center connected selecting a mobile switching center as the user's home mobile switching center:

基站控制器从其连接的多个正常工作的移动交换中心中随机选择一个; A mobile switching center connected to a plurality of base station controllers from the normal operation of a random selection;

or

基站控制器从其连接的多个正常工作的移动交换中心中选择一个负荷最轻的。 The base station controller selects a plurality of load from the normal operation of the mobile switching center connected to the lightest.

步骤14,所述基站控制器选择的移动交换中心向该用户移动台分配包含指示用户归属于该选择的移动交换中心信息的临时移动用户身份,切换为该 Step 14, the base station controller selects the mobile station to the mobile switching center assigned to the user indicating that the user belongs to comprises Temporary Mobile Subscriber Identity of the mobile switching center of information on the selected handover for

用户归属的移动交换中心。 User home mobile switching center.

下面以具体的实施例进行说明。 The following specific examples will be described.

参考图6,该图是本发明用户归属移动交换中心切换方法的第一实施例流程图。 Referring to FIG 6, which is a flowchart of a first embodiment of the present embodiment of the invention the user home MSC handover method. 本实施例中当一个MSC故障后,属于这个MSC的用户发起位置登记, BSC把这个用户的位置登记消息路由到池内一个正常的MSC,MSC在收到携带TMSI的位置登记消息,当判断当前用户需要重新位置登记,返回携带TMSI 和TMSI过期时间,用其中所含的TMSI或TMSI过期时间指示手机删除当前TMSI,手^/L重新发起位置登记时就可以注册到新的MSC上了,具体主要包括以下步骤:步骤slOl ,用户移动台MS使用包含NRI的TMSI进行位置登记,BSC 发现该TMSI指向的MSCl已经发生故障,则根据本地策略任选A-Flex区域中一个可用的MSC2,向其发送位置更新请求消息;步骤s102, MSC2发现该用户的TMSI不是自己分配,则下发TMSI分配消息,其中所带TMSI可置为全1或者将TMSI过期时间置为当前系统时间;步骤sl03, MS收到消息后删除本机保存的TMSI,返回分配完成消息, BSC转发消息到MSC2;步骤s104, MSC2返回位 After embodiment of the present embodiment when a failure of the MSC, the MSC belongs to the location registration initiated by the user, the BSC to the user location registration message routed to a pool of normal MSC, the MSC receives the location registration message carries a TMSI, when the current user is determined need to re-location registration, returns to carry TMSI and TMSI expiration time, with or TMSI TMSI contained therein expiration time instruct the phone to delete the current TMSI, hand ^ / L re-initiates a location registration can register to the new MSC, the specific main comprising the following steps: the SLOL, the user using the mobile station MS TMSI containing the NRI position registration, the BSC found that the TMSI directed MSCl has failed, according to the local policy, optionally in a region a-Flex available MSC2, send location update request message; step s102, MSC2 not found in the user's own allocated TMSI, TMSI assignment message is issued, which may be carried by all set TMSI or TMSI expiration time to the current system time; step sl03, MS close to delete the message stored by the TMSI, returns an assignment complete message, BSC forwards the message to MSC2; step s104, MSC2 return position 登记拒绝消息;步骤sl05, MS发起携带IMSI的位置登记流程,BSC根据IMSI和本地配置的路由选择数据配置信息选定A-Flex区域中一个MSC,如MSC3并向其发送位置更新请求消息;步骤s106, MSC3为MS分配一个TMSI,其中含有在该A-Flex区域中唯一标识该MSC3的NRI信息,BSC将该TMSI信息通过TMSI分配消息下发给MS;步骤sl07, MS保存收到的TMSI, TMSI_ZONE, TMSI过期时间等,并返回TMSI分配完成消息,BSC转发消息到MSC3; 步骤sl08, MSC3返回位置更新接受消息。 Registration reject message; step sl05, MS initiates a location registration process carried IMSI, BSC selection data and configuration information locally configured routing IMSI selected region A-Flex a MSC, as MSC3 and sends a location update request message; Step s106, MSC3 MS a TMSI assigned, which comprises in the region of the a-Flex NRI information of the unique identification of MSC3, the BSC at the TMSI information TMSI allocation message sent by the MS; step sl07, MS save the received TMSI, TMSI_ZONE, TMSI expiration time, and returns the TMSI assignment complete message, the BSC forwards the message to the MSC3; step sl08, MSC3 returns a location update accept message. 参考图7,该图是本发明用户归属移动交换中心切换方法的第二实施例流程图。 Referring to Figure 7, which is a flowchart of a second embodiment of the present invention, the user home MSC handover method.

本实施例中当一个MSC故障后,属于这个MSC的用户发起连接管理CM 业务请求,BSC把这个用户的连接管理CM业务请求消息路由到池内一个正常的MSC, MSC在收到携带TMSI的连接管理CM业务请求消息,当判断原来分配TMSI的MSC故障时,返回携带TMSI和TMSI过期时间,用其中所含的TMSI或TMSI过期时间指示手机删除当前TMSI,拒绝本次呼叫,在用户后续位置登记(包括进行业务时的隐含位置登记)的时候,就可以注册到新的MSC进行处理,具体主要包括以下步骤: After embodiment of the present embodiment when a failure of the MSC, the MSC initiates a user belonging to the connection manager CM service request, the BSC is connected to the user management CM service request message is routed to a pool of normal MSC, MSC TMSI carried in the received connection management CM service request message, when the fault is determined previously allocated TMSI in MSC, carrying the TMSI and returns the TMSI expiration time, the expiration time with TMSI or TMSI contained therein to instruct the phone to delete the current TMSI, reject this call, the user is registered in a subsequent position ( It includes the implicit location registration is performed when the service) time, it can be registered to the new MSC for processing, specifically includes the following steps:

步骤s201, MS使用含NRI的TMSI进行始呼,BSC发现该TMSI指向的MSC1已经故障,则才艮据本;1也策略{壬选A-Flex区域中一个可用的MSC2, 向其发送CM业务请求消息; Step s201, MS TMSI containing the NRI for original call, the BSC found that the TMSI directed MSC1 has failed, according to the present Gen only; tactics 1 is also selected from the group A-Flex {azelaic an available area MSC2, send traffic CM request message;

已经发生故障; It has failed;

步骤s203, MSC2下发TMSI分配消息,其中所带TMSI可置为全1或者将TMSI过期时间置为当前系统时间; Step s203, the allocation message sent TMSI MSC2, where carried TMSI may be set to all 1 or TMSI expiration time to the current system time;

步骤s204, MS收到消息后删除本机保存的TMSI,返回TMSI分配完成消息,BSC转发消息到MSC2; Step s204, MS deleted after receiving the message stored by the TMSI, TMSI assignment completion return message, BSC forwards the message to MSC2;

步骤s205, MSC2返回连接拒绝消息。 Step s205, MSC2 return connection reject message.

步骤s206,后续MS进行位置登记或者进行业务时隐含位置登记到新的MSC3; Implicit location registration to a new MSC3 step s206, a subsequent MS for position registration or service;

之后,用户已经将正确位置登记到MSC3并分配TMSI,后续所有流程能够顺利进行。 Thereafter, the user has the correct register position assigned to MSC3 and the TMSI, all the subsequent processes can be carried out smoothly.

参考图8,该图是本发明用户归属移动交换中心切换方法的第三实施例流程图。 Referring to Figure 8, this figure is a flowchart illustrating a third embodiment of the present invention, the user home MSC handover method. 本实施例中当一个MSC故障后,属于这个MSC的用户返回寻呼响应消息,BSC把这个用户的寻呼响应消息路由到池内一个正常的MSC, MSC在收到携带TMSI的寻呼响应消息,当判断原来分配TMSI的MSC故障时,返回携带TMSI和TMSI过期时间,用其中所含的TMSI或TMSI过期时间指示手机删除当前TMSI,拒绝本次呼叫,在用户后续位置登记(包括进行业务时的隐含位置登记)的时候,就可以注册到新的MSC进行处理,具体主要包括以下步骤:步骤s301, MS上发包含NRI的TMSI的寻呼响应,BSC发现该TMSI 指向的MSC1已经故障,则根据本地策略任选A-Flex区域中一个可用的MSC2,向其发送寻呼响应消息;步骤s302,MSC2发现该TMSI不是自己分配而且原来分配TMSI的MSC1 已经发生故障;步骤s303, MSC2下发TMSI分配消息,其中所带TMSI可置为全1或者将TMSI过期时间置为当前系统时间;步骤s304, MS收到消息后删除本 After embodiment of the present embodiment when a failure of the MSC, the MSC returns the user belongs to the paging response message, the BSC to the user the paging response message is routed to a pool of normal MSC, the MSC carries the TMSI paging response message is received, when it is judged in the failure of the MSC previously allocated TMSI, and returns the TMSI carries the TMSI expiration time, the expiration time with TMSI or TMSI contained therein to instruct the phone to delete the current TMSI, reject this call, registration (including the follow-up operations in the user's position when implicit location registration), it can be registered to the new MSC for processing, specifically includes the following steps: step S301, a paging response comprising the TMSI sent from the NRI MS, BSC found that the TMSI directed MSC1 has failed, then the local policy optionally in a region a-Flex MSC2 available, send a paging response message; step s302, MSC2 found that the TMSI is not assigned its own and the previously allocated TMSI MSC1 has failed; step s303, the TMSI sent MSC2 allocation message, which may be carried by all set TMSI or TMSI expiration time to the current system time; step s304, MS deleting the message after receiving this 保存的TMSI,返回TMSI分配完成消息,BSC转发消息到MSC2;步骤s305, MSC2返回连接拒绝消息。 Stored TMSI, TMSI assignment completion return message, BSC forwards the message to MSC2; step s305, MSC2 return connection reject message. 步骤s306,后续MS进行位置登记或者进行业务时隐含位置登记到新的MSC3;之后,用户已经正确位置登记到MSC3并分配TMSI,后续所有流程能够顺利进行。 Implicit location registration to a new MSC3 step S306, or subsequent MS position registration for service; after the user has registered to the correct position and MSC3 the TMSI assignment, all subsequent processes can be carried out smoothly. 参考图9,该图是本发明用户归属移动交换中心切换方法的第四实施例流程图。 Referring to FIG 9, which is a flowchart of the fourth embodiment of the present invention, the user home MSC handover method. 本实施例中以无连接消息传送为例进行说明,具体主要包括以下步骤:步骤s401, MS上发包含NRI的TMSI的接入信道短消息发送消息,BSC 发现该TMSI指向的MSC1已经故障,则根据本地策略任选A-Flex区域中一个可用的MSC2,向其发送ADDS Transfer消息;步骤s402, MSC2发现该TMSI不是自己分配而且原来分配TMSI的MSC1 已经发生故障;步骤s403, MSC2下发TMSI分配消息,其中所带TMSI可置为全1或者将TMSI过期时间置为当前系统时间;步骤s404, MS收到消息后删除本机保存的TMSI,返回TMSI分配完成消息,BSC转发消息到MSC2;步骤s405,后续MS进行位置登记或者进行业务时隐含位置登记到新的MSC3。 In the present embodiment, a connectionless message transfer will be described as an example, specifically includes the following steps: Step S401, the access channel message comprising the TMSI sent from the MS NRI to send a message, the BSC found that the TMSI directed MSC1 has failed, then the local policy optionally in a region a-Flex available MSC2, to send the ADDS Transfer message; step s402, MSC2 found that the TMSI is not assigned its own and the previously allocated TMSI MSC1 has failed; step s403, MSC2 issued TMSI assigned message, which may be carried by all set TMSI or TMSI expiration time to the current system time; step s404, MS TMSI stored by the deleted after receiving the message, returns TMSI assignment complete message, the BSC forwards the message to MSC2; step implicit registration to a new position when MSC3 s405, a subsequent MS for position registration or service. 需要说明的,上述本实施例中MSC3可能和MSC2是同一个MSC。 Incidentally, the above-described embodiment, the present embodiment MSC2 and MSC3 may be the same MSC. 综上,本发明可以实现一个BSC和多个MSC相连接,当一个MSC故障时,业务不受影响;还可以实现多个MSC资源共享,负荷分担;提高了网络的安全性,优化了网络的资源配置。 In summary, the present invention may be a plurality of BSC and MSC are connected, when a failure of the MSC, the service is not affected; MSC may also be implemented plurality of resource sharing, load sharing; improves the security of the network, the network optimization the allocation of resources. 以上所述仅是本发明的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明原理的前提下,还可以作出若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。 The above are only preferred embodiments of the present invention, it should be noted that those of ordinary skill in the art, in the present invention without departing from the principles of the premise, further improvements and modifications may be made, these improvements and modifications should also be the protection scope of the present invention.

Claims (10)

  1. 1、一种位置更新方法,其特征在于,包括: 用户移动台向基站控制器发送位置更新消息; 基站控制器检查所述位置更新消息中是否携带有指示该用户归属移动交换中心的网络资源指示信息,若检查结果为是,则向所述网络资源指示所指示的移动交换中心发送位置更新消息,否则,向基于用户的国际移动台标识路由到的移动交换中心发送位置更新消息; 响应该位置更新的移动交换中心向该用户移动台分配包含指示该用户归属移动交换中心信息的临时移动用户身份,完成位置更新,所述指示用户归属移动交换中心的信息为网络资源指示。 A location update method characterized by comprising: a user mobile station sends a location update message to the base station controller; base station controller checks whether the location update message carries an indication of network resources to the user an indication of a home mobile switching center information, if the check result is YES, the indication to the network resource indicated by the mobile switching center transmits a location update message, otherwise, sends a location update message to the mobile switching center based on the international mobile station identity to the user route; in response to the position updating the mobile switching center assigned to the user of the mobile station includes an indication that the user belongs to temporary mobile Subscriber identity information of the mobile switching center, a location update is completed, the information indicating the user home mobile switching center an indication of network resources.
  2. 2、 根据权利要求1所述的位置更新方法,其特征在于,所述响应该位置更新的移动交换中心向该用户移动台分配包含指示该用户归属移动交换中心信息的临时移动用户身份,完成位置更新的步骤具体包括:响应用户位置更新的移动交换中心向用户移动台返回携带网络资源指示的临时移动用户身份分配消息;用户移动台向移动交换中心返回临时移动用户身份分配完成消息; 移动交换中心向用户移动台返回位置更新完成消息。 2. The location updating method according to claim 1, wherein, in response to the Temporary Mobile Subscriber Identity of the mobile switching center a location update to the user of the mobile station comprises allocation indicates that the user information of the home mobile switching center, completion position the updating step comprises: in response to a user a location update the mobile switching center to the user of the mobile station returns a temporary mobile subscriber carrying the network resource indication identity allocation message; user of the mobile station returns a temporary mobile subscriber identity to the MSC assignment complete message; mobile switching Center the return position to the user of the mobile station to update completion message.
  3. 3、 一种用户归属移动交换中心切换方法,其特征在于,包括:基站控制器确定用户归属的移动交换中心不可用,该用户移动台发起位置更新,并根据可用移动交换中心的指示,删除本地保存的临时移动用户身份;基站控制器从其连接的多个移动交换中心中选择一个移动交换中心作为该用户归属的移动交换中心;所述基站控制器选择的移动交换中心向该用户移动台分配包含指示用户归属于该选择的移动交换中心信息的临时移动用户身份,切换为该用户归属的移动交换中心。 3. A user home MSC handover method, comprising: a base station controller determines the user's home mobile switching center is not available, the user of the mobile station initiates location update, according to an indication of available mobile switching center, deleting the local temporary mobile subscriber identity stored; base station controller selects one mobile switching center as the user's home mobile switching center from a plurality of mobile switching centers connected; the base station controller selects a mobile switching center assigned to the mobile user indicating that the user belongs to comprises temporary mobile Subscriber identity of the mobile switching center of the selected information, for the user to switch the home mobile switching center.
  4. 4、 根据权利要求3所述的用户归属移动交换中心切换方法,其特征在于, 所述基站控制器确定用户归属的移动交换中心不可用,该用户移动台发起位置更新的步骤具体包括:用户移动台使用包含网络资源指示的临时移动用户身份进行位置登记, 基站控制器确定该临时移动用户身份指向的用户归属的移动交换中心不可用,则根据本地策略从其连接的移动交换中心中任选一个可用的移动交换中心,向其发送位置更新请求消息;基站控制器选择的移动交换中心发现该用户的临时移动用户身份不是自己分配,则下发临时移动用户身份分配消息;用户移动台收到移动用户身份分配消息后删除本地保存的临时移动用户身份,返回分配完成消息,基站控制器转发该消息到其选择的移动交换中心;基站控制器选择的移动交换中心向用户移动台返回位置登记拒绝消 4, according to claim 3, wherein a user of the home MSC handover method, wherein the base station controller determines the user's home mobile switching center is not available, the user of the mobile station initiates location updating step comprises: a mobile user temporary mobile Subscriber identity station using the network resource comprises an indication of location registration, the base station controller determines that the temporary mobile Subscriber identity of the user points to the home mobile switching center is not available, then optionally a connection from the mobile switching center in accordance with local policy available mobile switching center to send a location update request message; base station controller selects a mobile switching center found temporary mobile Subscriber identity of the user himself is not allocated, the temporary mobile Subscriber identity issued allocation message; mobile station receives the mobile user deleted after the user identity information stored locally assigned temporary mobile Subscriber identity, returns assignment complete message, the base station controller forwards the message to the mobile switching center of their choice; base station controller selects the mobile station to the mobile switching center the user returns the location registration reject elimination ;用户移动台向基站控制器发送位置更新消息。 ; User of the mobile station sends a location update message to the base station controller.
  5. 5、 根据权利要求3所述的用户归属移动交换中心切换方法,其特征在于, 所述基站控制器确定用户归属的移动交换中心不可用,该用户移动台发起位置更新的步骤具体包括:用户移动台使用包含网络资源指示的临时移动用户身份进行始呼,基站控制器确定该临时移动用户身份指向的用户归属的移动交换中心不可用,则根据本地策略从其连接的多个移动交换中心中任选一个可用的移动交换中心,向其发送连接管理CM业务请求消息;基站控制器选择的移动交换中心发现该临时移动用户身份不是自己分配而且原来分配临时移动用户身份的用户归属的移动交换中心不可用,则下发临时移动用户身份分配消息;用户移动台收到所述临时移动用户身份分配消息后删除本地保存的临时移动用户身份,返回临时移动用户身份分配完成消息,基站控制器转发所述临时 5, according to claim 3, wherein a user of the home MSC handover method, wherein the base station controller determines the user's home mobile switching center is not available, the user of the mobile station initiates location updating step comprises: a mobile user use temporary mobile Subscriber identity station comprises an indication of network resources be original call, the base station controller determines that the temporary mobile Subscriber identity of the user points to the home mobile switching center is not available, from any one of a plurality of mobile switching centers is connected in accordance with local policy is selected from an available mobile switching center to send a connection management service request message CM; base station controller selects a mobile switching center found that the temporary mobile Subscriber identity allocated but not their previously allocated temporary mobile subscriber identity of the user is not a home mobile switching center with, the temporary mobile Subscriber identity issued allocation message; delete locally stored temporary mobile Subscriber identity user of the mobile station after receiving the temporary mobile Subscriber identity allocation message returns the temporary mobile Subscriber identity assignment complete message, the base station controller forwards the temporary 动用户身份分配完成消息到基站控制器选择的移动交换中心; 基站控制器选择的移动交换中心返回用户移动台连接拒绝消息; 用户移动台向基站控制器发送位置更新消息。 Subscriber identity assignment complete message to the base station controller selects a mobile switching center; base station controller selects a mobile switching center returns the user of the mobile station connection reject message; user of the mobile station sends a location update message to the base station controller.
  6. 6、 根据权利要求3所述的用户归属移动交换中心切换方法,其特征在于, 所述基站控制器确定用户归属的移动交换中心不可用,该用户移动台发起位置更新的步骤具体包括:用户移动台上发包含网络资源指示的临时移动用户身份的寻呼响应,基站控制器确定该临时移动用户身份指向的用户归属的移动交换中心不可用, 则根据本地策略从其连接的多个移动交换中心中任选一个可用的移动交换中心,向其发送寻呼响应消息;基站控制器选择的移动交换中心发现该临时移动用户身份不是自己分配而且原来分配临时移动用户身份的用户归属的移动交换中心不可用,则下发临时移动用户身份分配消息;用户移动台收到所述临时移动用户身份分配消息后删除本机保存的临时移动用户身份,返回临时移动用户身份分配完成消息,基站控制器转发所述临时移动用 6, according to claim 3, wherein a user of the home MSC handover method, wherein the base station controller determines the user's home mobile switching center is not available, the user of the mobile station initiates location updating step comprises: a mobile user temporary mobile Subscriber identity of paging table comprises a network resource indication sent in response, the base station controller determines that the temporary mobile Subscriber identity of the user points to the home mobile switching center is not available, from the plurality of mobile switching center according to the local policy optionally available in a mobile switching center, a paging response message to send; base station controller selects a mobile switching center found that the temporary mobile Subscriber identity and the user is not assigned their original assigned temporary mobile Subscriber identity of the non-home mobile switching center with, the temporary mobile Subscriber identity issued allocation message; receiving the user of the mobile station temporary mobile Subscriber identity deletion of this assignment message storage machine temporary mobile Subscriber identity, temporary mobile Subscriber identity returns assignment complete message, the base station controller forwards the for moving said temporary 身份分配完成消息到基站控制器选择的移动交换中心;基站控制器选择的移动交换中心返回用户移动台连接拒绝消息;用户移动台向基站控制器发送位置更新消息。 Identity assignment complete message to the base station controller selects a mobile switching center; base station controller selects a mobile switching center returns the user of the mobile station connection reject message; user of the mobile station sends a location update message to the base station controller.
  7. 7、 根据权利要求3所述的用户归属移动交换中心切换方法,其特征在于, 所述基站控制器确定用户归属的移动交换中心不可用,该用户移动台发起位置更新的步骤具体包括:用户移动台上发包含网络资源指示的临时移动用户身份的无连接消息,基站控制器确定该临时移动用户身份指向的用户归属的移动交换中心不可用,则根据本地策略从其连接的多个移动交换中心中任选一个可用的移动交换中心,向其转发所述无连接消息;所述基站控制器选择的移动交换中心发现该临时移动用户身份不是自己分配而且原来分配临时移动用户身份的用户归属的移动交换中心不可用,则下发临时移动用户身份分配消息;用户移动台收到所述临时移动用户身份分配消息后删除本机保存的临时移动用户身份,返回临时移动用户身份分配完成消息,基站控制器转发临时移动 7, according to claim 3, wherein a user of the home MSC handover method, wherein the base station controller determines the user's home mobile switching center is not available, the user of the mobile station initiates location updating step comprises: a mobile user connectionless message sent contains the network resource table indicating the temporary mobile user identity, the base station controller determines that the temporary mobile Subscriber identity of the user points to the home mobile switching center is not available, from the plurality of mobile switching centers is connected in accordance with local policy the mobile station controller selects a mobile switching center found that the temporary mobile Subscriber identity allocated but not their previously allocated temporary mobile subscriber identity of the user belongs; optionally available in a mobile switching center, a connectionless message to forward switching center is not available, the temporary mobile Subscriber identity issued allocation message; delete stored by the temporary mobile Subscriber identity of the user receives a mobile station temporary mobile Subscriber identity allocation message returns the temporary mobile Subscriber identity assignment complete message, the base station controller temporary move forwards 用户身份分配完成消息到基站控制器选择的移动交换中心;基站控制器选择的移动交换中心返回连接拒绝消息;用户移动台向基站控制器发送位置更新消息。 User assignment complete message to the base station controller selects a mobile switching center; base station controller selects a mobile switching center return connection reject message; user of the mobile station sends a location update message to the base station controller.
  8. 8、 根据权利要求3-7任一项所述的用户归属移动交换中心切换方法,其特征在于,所述基站控制器通过下述方式确定用户归属的移动交换中心不可用:基站控制器与用户归属的移动交换中心建立握手,当握手失败时确定用户归属的移动交换中心不可用;或基站控制器判断与用户归属的移动交换中心之间的链路状态,当所有链路故障,移动交换中心信令点不可达时确定用户归属的移动交换中心不可用; 或网管系统通知基站控制器用户归属的移动交换中心不可用。 8, a user according to claim any one of claims 3-7 home MSC handover method, wherein the base station controller determines in the following manner by the home mobile switching center the user is not available: the user and the base station controller the home mobile switching center to establish handshake to determine the home mobile switching center the user is not available when the handshake failure; or a base station controller determines the user's home link state between the mobile switching center, when all the link failure, the mobile switching center when determined that the user belongs unreachable signaling point is unavailable mobile switching center; a network management system or the base station controller notifies the user's home mobile switching center is not available.
  9. 9、 根据权利要求8所述的用户归属移动交换中心切换方法,其特征在于, 基站控制器按照下述方式从其连接的移动交换中心中选择一个移动交换中心作为该用户归属的移动交换中心:基站控制器从其连接的多个正常工作的移动交换中心中随机选择一个;或基站控制器从其连接的多个正常工作的移动交换中心中选择一个负荷最轻的。 9, according to claim 8, wherein a user of the home MSC handover method, wherein the base station controller selects a mobile switching center of the user as a mobile switching center from a home mobile switching center in the following manner: the base station controller randomly selected from a plurality of mobile switching centers is connected in normal operation; the mobile switching center or base station controller connected to a plurality of work therefrom to select one of the lightest load.
  10. 10、根据权利要求9所述的用户归属移动交换中心切换方法,其特征在于,所述基站控制器选择的移动交换中心向该用户移动台分配包含指示用户归属于该选择的移动交换中心信息的临时移动用户身份,切换为该用户归属的移动交换中心的步骤具体包括:移动交换中心向用户移动台返回携带网络资源指示的临时移动用户身份分配消息;用户移动台向移动交换中心返回临时移动用户身份分配完成消息; 移动交换中心向用户移动台返回位置更新完成消息。 10, according to claim 9, wherein a user of the home MSC handover method, wherein the base station controller selects a mobile switching center MSC to the user of the mobile station allocation information contains information indicating the user belongs to the selected the step of the mobile switching center temporary mobile subscriber identity, for switching user belongs comprises: a mobile switching center to the mobile station returns the user to carry a temporary mobile subscriber network resource allocation message indicates the identity; temporary mobile user of the mobile station returns the user to the mobile switching center assignment complete message identity; the mobile switching center to the mobile subscriber station to return a location update completion message.
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