CN101047987B - Method of R3 information transmission when R3 transport - Google Patents

Method of R3 information transmission when R3 transport Download PDF

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CN101047987B
CN101047987B CN 200610081555 CN200610081555A CN101047987B CN 101047987 B CN101047987 B CN 101047987B CN 200610081555 CN200610081555 CN 200610081555 CN 200610081555 A CN200610081555 A CN 200610081555A CN 101047987 B CN101047987 B CN 101047987B
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r3
terminal
asn
migration
network
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CN 200610081555
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CN101047987A (en )
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相治咸
赵元魁
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华为技术有限公司
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Abstract

This invention provides an R3 information transmission method during R3 migration. When an R3 of a terminal in a WiMAX network migrates, a service access network of the terminal sends R3 mobility-related context to a target access network. The invention can realize the transmission of R3 mobility-related context when terminals moves between ASN.

Description

R3迁移时R3信息传输的方法 The method of information transfer, R3 R3 migration

技术领域 FIELD

[0001] 本发明涉及无线传输技术领域,特别是指一种R3迁移时R3信息传输的方法。 [0001] The present invention relates to the field of wireless transmission technology, and particularly to a method of information transfer R3 R3 when one kind of migration. 背景技术 Background technique

[0002] 目前当移动终端在ASN间移动或处于网络优化及其它原因而引起移动终端的外部代理发生迁移时,目标网络与服务网络之间需要进行协商,并且如果可以进行迁移则与该外部代理相关的上下文需要进行传递。 [0002] When the mobile terminal is currently in a mobile network optimization or other reasons and caused between the foreign agent ASN mobile terminal when migration occurs, need to be negotiated between the serving network and the target network, and if the agent can migrate to the outer related context needs to be passed. 但是目前尚无具体方案说明外部代理如何进行迁移及其有哪些R3移动性相关上下文,这些相关的R3移动性相关上下文又如何进行传递。 But there is no specific program explains how to migrate its external agent which R3 mobility-related context, these related R3 mobility-related context and how to deliver. 这里解释一下,R3是指归属网络与拜访网络之间的参考点。 Here explain, R3 means a reference point between the home network and visited network. 目前WiMAX NWG(WiMAX的网络工作组)中也没有对R3移动性相关上下文的传输方法的定义。 Currently the NWG WiMAX (WiMAX Network Working Group) is also not defined for R3 transmission method mobility related contexts.

发明内容 SUMMARY

[0003] 有鉴于此,本发明的主要目的在于提供了一种R3迁移时R3信息传输的方法,以使终端在ASN间移动时,实现R3移动性相关上下文的传输。 [0003] In view of this, the main object of the present invention is to provide a method of information transfer migration R3 R3 when one kind, so that when the terminal moves between the ASN, R3 realize the transmission of mobility related context.

[0004] 本发明提供了一种R3迁移时R3信息传输的方法,包括: [0004] The present invention provides a method of information transfer, one kind of R3 R3 migration, comprising:

[0005] WiMAX网络下的终端的R3发生迁移时,终端的服务接入网络向目标接入网络发送R3移动性相关上下文; When R3 terminal in the [0005] WiMAX network migration occurs, the access service network terminal transmits R3 mobility related context to the target access network;

[0006] 所述WiMAX网络下的终端的服务接入网络向目标接入网络发送R3移动性相关上下文之前进一步包括: Before [0006] terminal in the serving access network of the WiMAX network transmits R3 mobility related context to the target access network further comprises:

[0007] 目标接入网络向服务接入网络发送R3迁移指示,指示终端的服务接入网络进行R3的迁移并指示传输R3移动性相关上下文;或 [0007] The target access network sends R3 transition instruction to the serving access network, the access service network indicates migration terminal indicating transmission R3 and R3 mobility related context; or

[0008] 所述WiMAX网络下的终端的服务接入网络向目标接入网络发送进行R3迁移的指示;目标接入网络收到R3迁移指示后,判断尚未收到R3移动性相关上下文时,向服务接入网络返回R3迁移指示响应,指示同意R3迁移。 [0008] The serving access network of the terminal in the WiMAX access network to the target network sends an instruction to migrate R3; After migration target access network receives an indication R3, R3 is determined not received mobility related context, to R3 return migration service access network indication response indicating consent R3 migration.

[0009] 其中,所述WiMAX网络下的终端的服务接入网络向目标接入网络发送R3移动性相关上下文之后,进一步包括:目标接入网络向服务ASN发送R3迁移状态指示,指示服务ASN 是否需要进行R3移动性相关上下文的重传。 [0009] wherein, after the serving access network of the terminal in the WiMAX network transmits R3 mobility related context to the target access network, further comprising: a target access network to the serving ASN sends R3 migration status indication, indicating whether the Serving ASN R3 require mobility related context retransmission.

[0010] 其中,当终端在ASN间切换而进行需要R3迁移并建立R4数据通路时,所述R3迁移指示置于数据通路建立信令;或 When [0010] wherein, when the terminal switches between the ASN and the need to migrate R3 and R4 establish a data path, the data placed R3 transition instruction to establish a signaling path; or

[0011] 当终端在ASN间切换并建立R4数据通路后,在完成切换所需的信令交互后拆除R3 数据通路的过程中,所述R3迁移指示置于拆除R3数据通路的信令中;或 Process [0011] When the terminal switch and establishes a data path between the ASN R4, after completion of the handover signaling interaction required data path R3 in demolished, the demolished R3 R3 transition instruction signaling data placed in the path; or

[0012] 当终端在ASN间进行切换并需要进行R3迁移时,R3迁移指示置于切换请求或切换确认消息中;或 [0012] When the terminal switches between ASN and the need for migration R3, R3 mobility handover request or an indication is placed in a handover acknowledgment message; or

[0013] 对于具有MIP能力的终端,当它发生ASN间的切换并且需要发生R3迁移时,R3迁移指示置于R3迁移请求消息中。 [0013] For a terminal having MIP capability, when switching occurs between the ASN and R3 migration requires it occurs, indicates migration disposed R3 R3 relocation request message.

[0014] 其中,传递的R3移动性相关上下文参数包括:所述WiMAX网络下的终端的归属地 [0014] wherein, R3 mobility related context parameters passed comprising: a home network of the terminal in the WiMAX

3址。 3 site.

[0015] 其中,传递的R3移动性相关上下文参数进一步包括以下之一或任意组合: [0015] wherein, R3 mobility related context parameters passed further comprises one or any combination of:

[0016] 终端标识、终端的归属代理的地址、锚定的DHCP服务器/代理的地址、锚定的PMIP 管理器的标识、锚定认证器标识、锚定AAA服务器的标识、终端与MIP过程相关的密钥组、锚定上下文服务器的地址、移动终端的移动性、移动终端锚定的DHCP服务器/代理的类型。 [0016] the terminal identifier, a home terminal of the agent's address, anchored DHCP server / proxy address, identifying the anchor of the PMIP manager, identifying the anchor authenticator identifier, an anchor AAA server, terminal and MIP process-related the key group, the anchor context server address, the mobility of the mobile terminal, the mobile terminal anchor DHCP server / proxy type.

[0017] 由上可以看出,本发明实现了R3迁移时R3信息的传输,从而当终端在ASN间移动时,可以进行R3移动性相关上下文的传输,使得终端可以在ASN间进行锚定CSN的无缝切换。 [0017] As can be seen from the above, the present invention enables the transmission of information when R3 R3 migration, so that when the terminal moves between ASN, may be transmitted R3 mobility related context, so that the terminal may be anchored between ASN CSN the seamless handover. 具体来说,可以通过R3迁移指示触发R3移动性相关上下文的传输,并在收到目标ASN 的R3迁移响应后将R3移动性相关上下文传送给目标ASN。 Specifically, the transmission trigger may indicate R3 mobility related context, and in response to the migration after R3 mobility related context transfer to the target ASN R3 R3 received by the migration target ASN. 或者在传送R3迁移指示时一同传送R3移动性相关上下文给目标ASN,当目标ASN确认接收后读出所述R3移动性相关上下文。 Or R3 mobility related transfer when transmitting R3 together transition instruction context to the target ASN, if the target ASN read acknowledgment R3 mobility related context after receiving. 并且还可以由目标ASN直接向服务ASN说明要求R3移动性相关上下文,在服务ASN 收到后将R3移动性相关上下文传递给目标ASN。 And may also require service by the target ASN ASN directly to the mobility related context description R3, R3 will transfer the mobility related context to the target ASN ASN receives the service. 总之,本发明当终端在ASN间移动而需要R3迁移时,实现了R3移动性相关上下文的传输,使得终端可以在ASN间进行锚定CSN的无缝切换。 In summary, the present invention, when the terminal moves between ASN required migration R3, R3 implement the transmission of mobility related context, such that the terminal may switch seamlessly between the CSN anchored ASN.

附图说明 BRIEF DESCRIPTION

[0018] 图1为R3移动性相关上下文传送原理示意图; [0018] FIG. 1 is a schematic R3 mobility related context transfer principle;

[0019] 图2为由代理实现MIP能力的移动终端在ASN间切换时消息流程图; [0019] FIG. 2 by the proxy message flow diagram of the mobile terminal MIP capability to achieve switching between the ASN;

[0020] 图3为具有MIP能力的终端在ASN间切换的流程图。 [0020] FIG. 3 is a flowchart of a terminal having MIP capability of switching between ASN.

具体实施方式 detailed description

[0021] 本发明在需要R3迁移时(如终端在ASN间切换时),将R3移动性相关上下文由服务接入网(ASN,接入网)传送给目标接入网,以实现终端在ASN之间的切换和移动性功能的完整支持。 [0021] In the present invention R3 migration needed (e.g., when the terminal is switched between ASN), the R3 mobility related context by a service access network (ASN, an access network) to the target access network, the terminal in order to achieve ASN full support for switching and mobility functions between. 下面首先参见图1示出的R3移动性相关上下文传送原理图,对本发明的主要原理进行说明: Referring firstly R3 mobility related context transfer diagram shown in FIG. 1, the main principles of the present invention will be described:

[0022] 在某触发条件下,服务ASN和目标ASN之间需要R3迁移指示的交互来标识需要进行R3迁移,而后进行R3移动性相关上下文的迁移。 [0022] In certain trigger condition, indicating the need for service R3 migration between the ASN and the target ASN R3 interaction to identify the need for migration, and then migrated R3 mobility related context. 如图1示出的为由服务ASN发起R3 迁移指示的原理图,需要说明的是,R3移动性相关上下文需要在锚定上下文服务器和目标ASN之间传递。 1 shown by the serving ASN initiates transition instruction schematic R3, Incidentally, R3 mobility related context needs to be passed between the anchor ASN and the target context server. 并且其传递可能需要经过服务ASN或其它中间ASN中转。 And it may take a transmission service or other intermediate ASN ASN transit. 图1示出的流程图包括: Flowchart shown in FIG. 1 comprising:

[0023] 第一步:服务ASN向目标ASN发起R3迁移指示,指示需要发起R3迁移; [0023] The first step: Serving ASN launched R3 transition instruction to the target ASN, R3 indicates the need to initiate migration;

[0024] 第二步:目标ASN收到后,判断尚未收到R3移动性相关上下文时,回送一个R3迁移指示响应,指示同意R3迁移; [0024] Step Two: After receipt of the target ASN, R3 is determined not received mobility related contexts, sends back a response R3 indicative of the migration, the migration R3 indicate consent;

[0025] 第三步:服务ASN收到所述R3迁移指示响应后,将R3移动性相关上下文传递给目标ASN0 [0025] The third step: after the serving ASN receives a response R3 indicative of the migration, the R3 mobility related context to the target ASN0

[0026] 这里说明一下,如果R3迁移指示是从目标ASN向服务ASN发起的,则服务ASN收到R3迁移指示后,就可向目标ASN发送R3移动性相关上下文。 [0026] Note that, with the migration indicates if R3 is initiated from the target to the serving ASN ASN, the ASN receives the service after the transition instruction R3, R3 may send mobility related context to the target ASN.

[0027] 另外,由服务ASN发起R3迁移指示时,也可以将R3迁移指示与R3移动性相关上下文一同(如置于一个消息中)发送给目标ASN,这样当目标ASN同意R3迁移时,直接从该消息中读取出R3移动性相关上下文,若目标ASN不同意R3迁移,则可以丢弃该消息,并向目标ASN回送响应信息说明不同意R3迁移。 When [0027] Further, by the serving ASN initiates transition instruction R3, R3 may also be indicative of R3 mobility context associated with a mobility (e.g., placed in a message) to the target ASN, so that when R3 migration target ASN agree, direct the message read out from R3 mobility related context, if the target ASN does not agree R3 migration, the message may be discarded, to the target ASN echo reply message does not agree R3 migration instructions.

[0028] 其中,为了能够实现在R3迁移后,终端在ASN之间的切换和移动性功能的完整支持,传输的R3移动性相关上下文包括但不限于表1所示的内容: [0028] wherein, in order to enable the migration R3, full support handover between the ASN and a terminal mobility function, R3 mobility related context transfer including but not limited to the contents shown in Table 1:

[0029] [0029]

Figure CN101047987BD00051

[0030] 表1 [0030] TABLE 1

[0031] 其中,如表1所示,传递的R3移动性相关上下文参数必需要包括:终端的归属地址。 [0031] wherein, as shown in Table 1, R3 mobility related context parameters you will need to transfer comprising: a home address of the terminal. 下述为可选的内容: The following optional elements:

[0032] 1、如果在其它相关消息中传输并表征了该终端的标识,则还需传送终端标识; [0032] 1, if the transmission of the terminal identifier and characterized in other related messages, then also a transmission terminal identification;

[0033] 2、为了防止出现不必要的混淆和遗漏,这里最好携带其归属代理的地址。 [0033] 2, in order to prevent unnecessary confusion and omissions best to carry its home agent address here.

[0034] 3、对于PMIP(PMIP,代理移动IP)类型的终端(指不具有移动IP功能的终端),为了正确地传递PMIP信令信息给PMIP终端的信令管理单元——PMIP移动管理器,传递的R3 移动性相关上下文参数可选地还可以包括:锚定的PMIP移动管理器的标识。 [0034] 3, the PMIP (PMIP, Proxy Mobile IP) type of terminal (terminal means having no mobile IP function), in order to properly transfer PMIP signaling information to the signaling terminal management unit PMIP mobility manager --PMIP , transferred R3 mobility related context parameters can optionally further comprise: identifying an anchor of the PMIP mobility manager.

[0035] 4、在安全性信息相关的方面: [0035] 4, in the information security-related aspects:

[0036] A)如果终端和外部代理和归属代理之间有安全联盟并且需要共享公共的密钥材料,则在R3移动性相关上下文中需要将这些密钥材料(一组MIP相关密钥材料)携带并一起进行传送;[0037] B)如果终端和外部代理或外部代理与归属代理之间没有可共享的密钥材料,或者有可共享的密钥材料但是需要外部代理通过终端的锚定AAA服务器来获得附加的认证信息时,则在R3移动性相关上下文中需要将该终端的锚定AAA服务器的标识携带并进行传送; [0036] A) if there is need to share a common security association and key material between the terminal and the home agent and the foreign agent, the material needs to these keys (a group key material associated R3 MIP mobility related context) carrying and transmitted together; [0037] B) If no shared between the terminal and the foreign agent and the home agent or foreign agent key material, or there may share keying material but requires anchor foreign agent terminal given by AAA when the authentication server to obtain additional information, the mobility related context in R3 the need to anchor the terminal in a given AAA server carries the identification and transfer;

[0038] C)如果终端未发生迁移或发生迁移但R3迁移的外部代理并不知道该终端的锚定认证器时,并且需要从其锚定认证器上获得相关认证信息时,则需在R3移动性相关上下文中需要将该终端的锚定认证器标识携带并进行传送。 [0038] C) if the terminal does not migrate or migrate occurrence of R3 mobility foreign agent does not know the anchor authenticator of the terminal, and from the anchor when required authentication information on the authentication is obtained, a need in R3 mobility related contexts need the anchor authenticator identifier of the terminal and carrying transfer.

[0039] 下面举具体的实施例对终端在移动过程中的R3移动性相关上下文的切换的具体场景和方法进行描述。 R3 mobility of terminals during movement will be described in a specific scenario and related context switching method of specific embodiments [0039] The following examples.

[0040] 参见图2示出的由代理实现MIP能力的移动终端在ASN间切换时消息流程图,包括: [0040] Referring to FIG. 2 is realized by Proxy MIP capable mobile terminal shown in the flowchart of inter-ASN handover message, comprising:

[0041] 步骤201〜206为向目标ASN发起切换的过程; [0041] Step 201~206 to initiate a handover process to the target the ASN;

[0042] 步骤207〜212为服务ASN与目标ASN之间的数据通道建立过程; [0042] Step 207~212 service data channel establishment process between the ASN and the target ASN;

[0043] 步骤213〜217为MIP (移动IP)注册过程; [0043] Step 213~217 as MIP (Mobile IP) registration procedure;

[0044] 步骤218〜220为服务ASN与目标ASN之间的数据通道释放过程; [0044] Step 218~220 release procedure for the data channel between the serving ASN and the target ASN;

[0045] 步骤221〜212为MIP注销过程。 [0045] Step 221~212 as MIP logoff process.

[0046] 其中,可以采用上面流程图中交互过程的信息来发送R3迁移指示并传递R3移动性相关上下文。 [0046] wherein R3 transition instruction may be transmitted and transmitting R3 mobility related context information using the above flowchart of the interactive process. 例如,可以采用服务ASN和目标ASN间的切换信令来实现,具体来说: For example, a handover signaling between the serving ASN and the target ASN is achieved, in particular:

[0047] 在步骤202的切换请求消息中,携带服务ASN传递给目标ASN的R3迁移指示;如下表2示出了切换请求中增加的R3迁移指示的字段描述: [0047] In step 202 the handover request message carrying the service is transmitted to the target ASN ASN, R3 indicates migration; Table 2 below shows the fields added to the handover request indicating the migration R3 description:

[0048] [0048]

Figure CN101047987BD00061

[0049]表 2 [0049] TABLE 2

[0050] 在步骤203的切换响应消息中,携带目标ASN返回的对R3迁移指示的响应,指示是否允许服务ASN进行R3迁移并发送R3移动性相关上下文。 [0050] In step 203, handover response message carries an indication of the response to the migration target ASN R3 returned, indicating whether the service ASN be transmitted R3 and R3 migration mobility related context. 如下表3示出了切换响应消息中增加的R3迁移指示响应的字段描述: Table 3 below shows the R3 mobility handover response field indicating the increased response message is described:

[0051] [0051]

Figure CN101047987BD00062

[0052]表3[0053] 当服务ASN收到目标ASN同意进行R3迁移的响应后,在步骤204的切换确认消息中携带服务ASN发送给目标ASN的R3移动性相关上下文。 [0052] Table 3 [0053] When the serving ASN in response to receipt of target ASN agreed R3 migration, at step 204 the handover acknowledgment message carries the service ASN R3 mobility related context transmitted to the target ASN. 如下表4示出了在切换确认消息中,增加的R3移动性相关上下文的字段描述: Table 4 below shows the fields described R3 mobility related context in a handover acknowledgment message, the increased:

[0054] [0054]

Figure CN101047987BD00071

[0055] 表4 [0055] TABLE 4

[0056] 由于终端进行切换时,在ASN之间会首先建立R4数据路径,并且指示是否发生R3 重定位。 [0056] Since the terminal is switched between ASN R4 will first establish a data path, and indicating whether the R3 relocation occurs. 因此,传递R3移动性相关上下文也可以通过服务ASN与目标ASN之间建立R4数据通路的过程来实现,可以采用下面的方式: Thus, the transfer R3 mobility related context establishment procedure may also be achieved by R4 data path between the serving ASN and the target ASN, the following methods can be used:

[0057] 在步骤208服务ASN向目标ASN发起建立R4数据通路的请求中,携带R3迁移指示。 [0057] R4 initiation request to establish a data path to the target ASN in step 208 the service ASN, R3 carries transition instruction. 增加的R3迁移指示的字段描述可参见表2所示; Field Description R3 increased migration instruction shown in table 2;

[0058] 目标ASN收到R4数据通路的建立请求后,在步骤209向服务ASN发送R4数据通路建立响应中,携带对R3迁移指示的响应,指示是否允许服务ASN进行R3迁移并发送R3 移动性相关上下文。 After the [0058] received a request to establish a target ASN R4 data path established in step 209 to the serving ASN sends response data path R4, R3 carries a response to the migration instruction, indicating whether the service ASN be transmitted R3 R3 mobility and migration related context. 增加的R3迁移响应的字段描述可参见表3所示; R3 migration added field response is described in table 3;

[0059] 当服务ASN收到R4数据通路建立响应后,服务ASN根据其中的R3迁移指示响应判断出目标ASN同意进行R3迁移的响应时,在步骤210的R4数据通路建立确认中携带R3 移动性相关上下文给目标ASN。 [0059] When the serving ASN R4 data path setup response is received, according to the service ASN wherein R3 transition instruction when it is determined that the target ASN agreed to migrate in response to R3, R4 data path in step 210 the establishment response confirmation carries R3 mobility relevant context to the target ASN. 增加的R3迁移响应的字段描述可参见表4所示。 Field Description increased migration R3 response shown in table 4.

[0060] 另外,还可以采用下面的方式:当由目标ASN触发要求服务ASN传送上下文时,可以在步骤208由目标ASN向服务ASN发送R4数据通路建立请求中携带R3迁移指示。 [0060] Further, the following way may also be used: when triggered by the target ASN ASN transmission context requires service, step 208 may be a data transmission path establishment request R4 R3 carries transition instruction to the serving ASN target ASN. 增加的R3迁移指示的字段描述可参见表2所示; Field Description R3 increased migration instruction shown in table 2;

[0061] 收到携带R3迁移指示的R4数据通路建立请求后,可以在步骤209服务ASN发送给服务ASN的R4数据通路建立响应中携带R3移动性相关上下文。 [0061] R3 carries received data archive instruction R4, the path establishment request, the service may be sent to the ASN R4 data path establishment response carries the R3 mobility related context in step 209 the service ASN. 增加的R3迁移响应的字段描述可参见表4所示。 Field Description increased migration R3 response shown in table 4.

[0062] 目标ASN收到服务ASN发送的R3移动性相关上下文后,可在步骤210向服务ASN 发送数据通路确认中携带R3迁移状态指示,来通知服务ASN是否需要进行R3移动性相关上下文的重传。 After [0062] R3 target ASN receive mobility related context serving ASN transmitted, step 210 may send data to the serving ASN to confirm passage R3 carries migration status indication, to inform that the service needs to be re-ASN mobility related context R3 pass.

[0063] 由于终端进行切换时,在ASN之间会建立好R4数据路径,并且指示是否发生R3重定位后。 [0063] Since the terminal is switched between ASN data path establishes good R4, R3 and indicates whether the relocation occurs. 当不再需要这个数据路径时,ASN间会要求结束这个R4数据路。 When the data path is no longer needed, it will require the end of the inter-ASN R4 data path. 因此,传递R3移动性相关上下文也可以通过服务ASN与目标ASN之间的R4数据通路的拆除过程来实现: Thus, R3 mobility related context transfer may be realized by removing the R4 data process path between the serving ASN and the target ASN:

[0064] 在步骤218,服务ASN向目标ASN发起拆除R4数据通路的请求中携带R3迁移指示。 [0064] In step 218, the serving ASN to initiate a request for removal of target ASN data path carrying R4 R3 transition instruction. 增加的R3迁移指示的字段描述可参见表2所示; Field Description R3 increased migration instruction shown in table 2;

[0065] 目标ASN收到R4数据通路的拆除请求后,在步骤219向服务ASN发送R4数据通路拆除响应中携带对R3迁移指示的响应。 After [0065] R4 target ASN data path tear-down request is received in step 219 transmits to the serving ASN in response to the removal of R4 R3 data path indicated by the migration response carries. 增加的R3迁移响应的字段描述可参见表3所示; R3 migration added field response is described in table 3;

[0066] 收到数据通路拆除响应后,服务ASN根据其中的R3迁移指示响应判断出可传送R3 移动性相关上下文时,在步骤220的数据通路拆除确认中携带R3移动性相关上下文给目标 [0066] After receiving the data path in response to the removal, according to the service ASN wherein R3 mobility is determined that the response indication may be transmitted R3 mobility related context, in step 220, the data path carrying the R3 removal confirmation mobility related context to the target

7ASN0增加的R3迁移响应的字段描述可参见表4所示。 R3 migration 7ASN0 added field describes the response shown in table 4.

[0067] 下面再参见图3示出的具有MIP能力的终端在ASN间切换的流程图,对本发明进行说明,包括如下步骤: [0067] Scheme 3 below further illustrates the ability of a terminal having MIP handover between ASN Referring to FIG, the present invention will be described, comprising the steps of:

[0068] 步骤301〜312与步骤201〜212相同,可参见步骤201〜212 ; [0068] The same procedure as step 201~212 301~312, 201~212 see step;

[0069] 步骤313〜321为R3迁移过程和MIP注册过程; [0069] Step 313~321 migration and R3 is MIP registration process;

[0070] 步骤322〜324为数据通道注销过程; [0070] Step 322~324 logoff process data channel;

[0071] 步骤325〜328为MIP注销过程。 [0071] Step 325~328 as MIP logoff process.

[0072] 其中,R3移动性相关上下文的传递可以采用图2的例中所描述的方法,也可以采用在R3重定位消息中来实现,如在图3所示的步骤314的R3迁移请求中传送R3移动性相关上下文。 [0072] wherein R3 mobility related context transfer may be the method of Example 2 as described in FIG employed, the R3 relocation message be achieved, such as R3 relocation request in step 314 of FIG. 3 may also be employed R3 mobility related context transfer.

[0073] 需要说明的是,对于CMIP类型的终端实现本发明时,所述的增加的R3迁移指示的字段描述如下表5所示: [0073] Incidentally, when the CMIP terminal types for implementing the present invention, the migration of the R3 field is increased indication are described in Table 5 below:

[0074] [0074]

Figure CN101047987BD00081

[0075]表 5 [0075] TABLE 5

[0076] 增加的R3迁移响应的字段描述如下表6所示: [0076] R3 migration added field response is described as follows in Table 6:

[0077] [0077]

Figure CN101047987BD00082

[0078]表 6 [0078] TABLE 6

[0079] 增加的R3迁移确认的字段描述如下表7所示: [0079] R3 migration increased field of acknowledgment described in Table 7 below:

[0080] [0080]

Figure CN101047987BD00083

[0081] 表7 [0081] TABLE 7

[0082] 由上实施例可以看出,本发明实现了R3迁移时R3信息的传输,可以通过R3迁移指示触发R3移动性相关上下文的传输,并在收到目标ASN的R3迁移响应后将R3移动性相关上下文传送给目标ASN。 [0082] As can be seen from the above embodiments, the present invention enables the transmission of information when R3 R3 migration, the migration may be indicated by R3 R3 triggering transmission of mobility related context, and after receiving a response R3 R3 migration target ASN mobility related context transfer to the target ASN. 或者在传送R3迁移指示时一同传送R3移动性相关上下文给目标ASN,当目标ASN确认接收后读出所述R3移动性相关上下文。 Or R3 mobility related transfer when transmitting R3 together transition instruction context to the target ASN, if the target ASN read acknowledgment R3 mobility related context after receiving. 并且还可以由目标ASN直接向服务ASN说明要求R3移动性相关上下文,在服务ASN收到后将R3移动性相关上下文传递给目标ASN。 And may also require service by the target ASN ASN directly to the mobility related context description R3, R3 will transfer the mobility related context to the target ASN ASN receives the service. 总之,本发明当终端在ASN间移动而需要R3迁移时,实现了R3移动性相关上下文的传输,使得终端可以在ASN间进行锚定CSN(CSN,是WiMAX网络的连接网)的无缝切换。 In summary, the present invention, when the terminal moves between ASN migration needs R3, R3 implement the transmission of mobility related context, so that the terminal may be anchored between ASN CSN (CSN, connected to the network is a WiMAX network) switch seamlessly .

[0083] 以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。 [0083] The foregoing is only preferred embodiments of the present invention but are not intended to limit the present invention, any modifications within the spirit and principle of the present invention, the, equivalent substitutions, improvements should be included in the within the scope of the present invention.

Claims (5)

  1. 1. 一种R3迁移时R3信息传输的方法,其特征在于,包括:WiMAX网络下的终端的R3发生迁移时,终端的服务接入网络向目标接入网络发送R3移动性相关上下文;所述WiMAX网络下的终端的服务接入网络向目标接入网络发送R3移动性相关上下文之前进一步包括:目标接入网络向服务接入网络发送R3迁移指示,指示终端的服务接入网络进行R3的迁移并指示传输R3移动性相关上下文;或所述WiMAX网络下的终端的服务接入网络向目标接入网络发送进行R3迁移的指示;目标接入网络收到R3迁移指示后,判断尚未收到R3移动性相关上下文时,向服务接入网络返回R3迁移指示响应,指示同意R3迁移。 The method of information transfer, R3 migration R3 A, wherein, comprising: a terminal when R3 migrate under the WiMAX network, the access service network terminal transmits R3 mobility related context to the target access network; the before serving the access terminal in the network transmits R3 WiMAX network mobility related context to the target access network further comprising: a target access network sends R3 transition instruction to the serving access network, the access service network terminal indicates the migration R3 and indicating transmission R3 mobility related context; serving access network or the terminal of the transmission instruction R3 WiMAX network to migrate to the target access network; target access network receives the transition instruction R3, R3 is determined not received when the mobility related context, to return a response indicating the migration R3 serving access network, indicating the migration agreed R3.
  2. 2.根据权利要求1所述的方法,其特征在于,所述WiMAX网络下的终端的服务接入网络向目标接入网络发送R3移动性相关上下文之后,进一步包括:目标接入网络向服务接入网(ASN)发送R3迁移状态指示,指示服务ASN是否需要进行R3移动性相关上下文的重传。 After 2. The method according to claim 1, wherein the serving access network of the terminal in the WiMAX network transmits R3 mobility related context to the target access network, further comprising: a target access network to access services network (ASN) R3 transmits the migration status indication, indicating whether the required service ASN R3 mobility related context retransmission.
  3. 3.根据权利要求1所述的方法,其特征在于:当终端在接入网(ASN)间切换而需要进行R3迁移并建立R4数据通路时,所述R3迁移指示置于数据通路建立信令;或当终端在ASN间切换并建立R4数据通路后,在完成切换所需的信令交互后拆除R3数据通路的过程中,所述R3迁移指示置于拆除R3数据通路的信令中;或当终端在ASN间进行切换并需要进行R3迁移时,R3迁移指示置于切换请求或切换确认消息中;或对于具有移动IP(MIP)能力的终端,当它发生ASN间的切换并且需要发生R3迁移时, R3迁移指示置于R3迁移请求消息中。 3. The method according to claim 1, wherein: when the terminal switches in the access network (ASN) to migrate between the need for R3 and R4 to establish a data path, the data placed R3 transition instruction to establish a signaling path ; handover procedure or after the terminal and establishes a data path between the ASN R4, after completion of the handover signaling exchange required data path R3 in demolished, the demolished R3 R3 mobility signaling indication is placed in the data path; or when switching between the terminal and the need for ASN migration R3, R3 mobility handover request or an indication is placed in a handover acknowledgment message; or terminal capabilities for a mobile IP (MIP), when the switching occurs between the ASN and it needs to happen R3 migration, R3 transition instruction placed R3 relocation request message.
  4. 4.根据权利要求1所述的方法,其特征在于,传递的R3移动性相关上下文参数包括: 所述WiMAX网络下的终端的归属地址。 4. The method according to claim 1, wherein, R3 mobility related context parameters passed comprising: a home network address of the terminal under the WiMAX.
  5. 5.根据权利要求4所述的方法,其特征在于,传递的R3移动性相关上下文参数进一步包括以下之一或任意组合:终端标识、终端的归属代理的地址、锚定的DHCP服务器/代理的地址、锚定的代理移动IP(PMIP)管理器的标识、锚定认证器标识、锚定AAA服务器的标识、终端与移动IP(MIP)过程相关的密钥组、锚定上下文服务器的地址、移动终端的移动性、移动终端锚定的DHCP服务器/代理的类型。 5. The method as claimed in claim 4, wherein, R3 mobility related context parameters passed further comprises one or any combination of: the terminal identifier, the home agent address of the terminal, the anchor DHCP server / proxy address identifies anchored proxy mobile IP (PMIP) manager, an anchor authenticator identifier, an anchor identifier AAA server, the terminal associated with the mobile IP (MIP) process key group, the address of the anchor context server, the mobility of the mobile terminal, the mobile terminal type anchor DHCP server / proxy.
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