WO2011095001A1 - 一种由移动终端主动发起的数据通道建立方法及asn系统 - Google Patents
一种由移动终端主动发起的数据通道建立方法及asn系统 Download PDFInfo
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- WO2011095001A1 WO2011095001A1 PCT/CN2010/076425 CN2010076425W WO2011095001A1 WO 2011095001 A1 WO2011095001 A1 WO 2011095001A1 CN 2010076425 W CN2010076425 W CN 2010076425W WO 2011095001 A1 WO2011095001 A1 WO 2011095001A1
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- data channel
- dpf
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- authenticator
- deletion
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/18—Management of setup rejection or failure
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/30—Connection release
- H04W76/32—Release of transport tunnels
Definitions
- the present invention relates to the field of communications, and in particular, to a data channel establishment method initiated by a mobile terminal and an ASN (Access Service Network) system.
- ASN Access Service Network
- WiMAX Worldwide Interoperability for Microwave Access
- WiMAX is a wireless metropolitan area network technology based on the IEEE802.16 standard. Its network reference model is shown in Figure 1. The dotted line in the figure indicates the control plane, and the solid line indicates the bearing surface.
- the CSN Connected Service Network, CSN for short
- the MS/SS Mobile Station/Subscriber Station, MS/SS
- the ASN is a functional entity related to the access service in the WiMAX network system.
- the mobile terminal is connected to the ASN through the R1 port, and is connected to the CSN through the R2 port.
- the ASN and the CSN are connected through the R3 port, and the ASNs are connected through the R4 port, and the CSNs are connected through the R5 port.
- the internal structure of the ASN is shown in Figure 2.
- the ASN-GW (ASN Gateway, ASN Convergence Gateway) and the BS (Base Station) are connected through the internal interface R6.
- the R6 interface consists of a series of control planes and bearer plane protocols.
- BS is connected through R8 port.
- the ASN-GW includes an authentication authority function (Authenticator), a data path function (DPF), and a location management function entity (PC (Paging Controller)/LR (Location Register location). Register)), these three functional entities can be in the same physical entity or on different physical entities.
- the BS mainly provides functions such as radio resource management, power measurement and control, and compression and encryption of air interface data.
- the Authenticator in the ASN-GW mainly provides authentication, authorization, and accounting functions.
- the DPF mainly provides channel management and assists between the upper layer and the MS. Layer connection, etc.
- PC/LR mainly provides location management, paging and other functions;
- CSN mainly includes Home Agent (HA), Dynamic Host Configuration Protocol (DHCP) server, and authentication/ Functional entities such as the Authentication/Authorization-Accounting (AAA) server mainly provide functions such as accounting, authentication, authorization, IP address allocation, and Internet service access.
- HA Home Agent
- DHCP Dynamic Host Configuration Protocol
- AAA Authentication/Authorization-Accounting
- the creation of the data channel can be initiated by the ASN-GW, or the MS can initiate the creation of the data channel according to the needs of the current service.
- the existing data channel establishment process initiated by the MS includes the following steps:
- the BS sends a data channel establishment request to the DPF.
- the DPF After receiving the foregoing data channel establishment request, the DPF sends a resource reservation request to the Authenticator.
- the Authenticator After receiving the resource reservation request, the Authenticator sends a resource reservation response to the DPF.
- the DPF After receiving the resource reservation response, the DPF sends a data channel setup response to the BS.
- the BS After receiving the foregoing data channel setup response, the BS sends a data channel establishment confirmation to the DPF to confirm that the data channel is established.
- the DPF After receiving the above data channel establishment confirmation, the DPF sends a resource reservation confirmation to the Authenticator.
- the DPF receives the data channel establishment confirmation indicating that the success identification information is carried (where the success identification information is used to indicate that the data channel has been successfully established), if the local processing is abnormal (such as local resource limitation), the BS cannot be notified. The BS still considers that the data channel has been successfully established. 2.
- the Authenticator receives the resource reservation confirmation carrying the success identification information (where the success identification information is used to indicate that the data channel has been successfully established), such as local processing exception, The DPF cannot be notified, but the DPF still believes that the data channel has been successfully established.
- A The number of data channels on the BS and ASN-GW is inconsistent.
- the number of data channels on the BS is larger than the number of data channels on the ASN-GW.
- B When the number of data channels on the DPF and the Authenticator in the ASN-GW is inconsistent, when the user uses the flow-based charging mode, the user's accounting information cannot be correctly reported.
- the technical problem to be solved by the present invention is to provide a data channel establishment method and an ASN system actively initiated by a mobile terminal, so as to prevent a user from being unable to perform services due to the inconsistent number of data channels or the charging message cannot be correctly "3 ⁇ 4" Serious consequences.
- the present invention provides a data channel establishment method actively initiated by a mobile terminal (MS), including:
- the BS After receiving the data channel deletion request, the BS deletes the data channel.
- the above method may further include:
- the BS After receiving the data channel deletion request, the BS sends a data channel deletion response to the DPF.
- the above method may further include:
- the DPF After receiving the data channel deletion response, the DPF sends a data channel deletion confirmation to the BS.
- the above method may further include:
- the DPF After receiving the data channel resource deletion request sent by the Authenticator, the DPF sends a data channel resource deletion response to the Authenticator.
- the above method may further include: After receiving the data channel resource deletion response, the Authenticator sends a data channel deletion confirmation to the DPF.
- the above method may further include:
- the DPF After receiving the acknowledgement of the data channel carrying the success identification information but the local processing is abnormal, the DPF sends a resource reservation confirmation carrying the failure identification information to the Authenticator.
- the present invention also provides an access service network (ASN) system, including: an authentication and authorization function entity (Authenticator), a data channel function entity (DPF), and a base station (BS);
- ASN access service network
- Authenticator authentication and authorization function entity
- DPF data channel function entity
- BS base station
- the Authenticator is configured to: initiate a data channel to the DPF if the local processing is abnormal, when the resource reservation confirmation carrying the successful identification information is received in the data channel establishment process initiated by the mobile terminal (MS) Resource deletion request;
- the DPF is configured to: when receiving the data channel resource deletion request or the data channel establishment confirmation with the success identification information but the local processing is abnormal, send a data channel deletion request to the BS;
- the BS is configured to: after receiving the data channel deletion request, delete the data channel.
- the BS is further configured to: after receiving the data channel deletion request, send a data channel deletion response to the DPF;
- the DPF is further configured to: after receiving the data channel deletion response, send a data channel deletion confirmation to the BS.
- the DPF is further configured to: after receiving the data channel resource deletion request sent by the Authenticator, send a data channel resource deletion response to the Authenticator;
- the Authenticator is further configured to: after receiving the data channel resource deletion response, send a data channel deletion confirmation to the DPF.
- the above ASN can also have the following characteristics:
- the DPF is further configured to: after receiving the data channel establishment confirmation that carries the success identification information but the local processing is abnormal, send a resource reservation confirmation carrying the failure identification information to the Authenticator.
- the present invention can keep the number of data channels of each user on the network element consistent, and avoids the serious consequences that the user cannot use the service or the charging message cannot be correctly reported due to the inconsistent number of data channels.
- FIG. 1 is a schematic diagram of an architecture of a WiMAX system in the prior art
- FIG. 2 is a schematic structural view of an ASN in the prior art
- FIG. 3 is a flow chart of establishing a data channel initiated by an MS in the prior art
- FIG. 4 is a flowchart of establishing a data channel initiated by an MS in an application example 1 of the present invention
- FIG. 5 is a flowchart of establishing a data channel initiated by an MS in an application example 2 of the present invention.
- the basic idea of the method of the present invention is: in the process of establishing a data channel initiated by the MS, when the Authenticator receives the resource reservation confirmation carrying the success identification information, if the local processing is abnormal, the data channel resource deletion is initiated to the DPF.
- the request is to trigger the data channel deletion process.
- the DPF receives the data channel resource deletion request sent by the Authenticator or receives the data channel establishment confirmation carrying the success identification information but the local processing is abnormal, the DPF sends a data channel deletion request to the BS. After the BS receives it, the above data channel will be deleted.
- the BS may also send a data channel deletion response to the DPF.
- the DPF can send a data channel deletion confirmation to the BS.
- the DPF After receiving the data channel resource deletion request sent by the Authenticator, the DPF also needs to send a data channel resource deletion response to the Authenticator. After receiving the data channel resource deletion response, the Authenticator can send a data channel deletion confirmation to the DPF.
- the DPF may send a resource reservation acknowledgement carrying the failure identification information to the Authenticator to notify the Authenticator that the establishment of the Authenticator channel fails when the data channel with the success identification information is acknowledged but the local processing is abnormal.
- the present invention also provides an ASN system, including: Authenticator, DPF and BS;
- the Authenticator is configured to initiate a data channel resource deletion request to the DPF if the local processing is abnormal, when the resource reservation confirmation carrying the successful identification information is received during the data channel establishment initiated by the MS.
- the DPF is configured to send a data channel deletion request to the BS when receiving the data channel resource deletion request or the data channel carrying the success identification information to establish an acknowledgement but the local processing is abnormal;
- the BS is configured to delete the data channel after receiving the data channel deletion request.
- the BS may be further configured to: after receiving the data channel deletion request, send a data channel deletion response to the DPF; the DPF may further be configured to send a data channel deletion confirmation to the BS after receiving the data channel deletion response.
- the DPF can also be used to send a data channel resource deletion response to the Authenticator after receiving the data channel resource deletion request sent by the Authenticator; the Authenticator can also be used to send a data channel deletion confirmation to the DPF after receiving the data channel resource deletion response.
- the DPF can also be used to send a resource reservation confirmation carrying the failure identification information to the Authenticator after receiving the confirmation of the data channel carrying the success identification information but the local processing is abnormal.
- the data channel establishment process initiated by the MS mainly includes the following steps: Step 401: The BS sends a data channel establishment request to the DPF.
- Step 402 After receiving the foregoing data channel establishment request, the DPF sends a resource reservation request to the Authenticator.
- Step 403 After receiving the resource reservation request, the Authenticator sends a resource reservation response to the DPF.
- Step 405 After receiving the data channel setup response, the BS sends a data channel establishment confirmation to the DPF to confirm that the data channel is established.
- Step 406 The DPF receives the channel establishment confirmation message carrying the success identification information. However, if the DPF is abnormally processed, the DPF sends a resource reservation confirmation message carrying the failure identification information to the Authenticator to notify the Authenticator channel that the establishment fails. The failure identifier information is used to indicate that the channel establishment fails.
- Step 407 The DPF sends a data channel deletion request to the BS, requesting to delete the data channel that fails to be established this time;
- Step 408 The BS deletes the corresponding data channel and sends a data channel deletion response to the DPF.
- steps 406 and 407 have no timing relationship, and the execution order of the two is in no particular order.
- the data channel establishment process initiated by the MS mainly includes the following steps: Step 501: The BS sends a data channel establishment request to the DPF.
- Step 502 After receiving the foregoing data channel establishment request, the DPF sends a resource reservation request to the Authenticator.
- Step 503 After receiving the resource reservation request, the Authenticator sends a resource reservation response to the DPF.
- Step 504 After receiving the resource reservation response, the DPF sends a data channel establishment response to the BS.
- Step 505 After receiving the data channel setup response, the BS sends a data channel establishment confirmation to the DPF to confirm that the data channel is established.
- Step 506 After receiving the data channel establishment confirmation, the DPF sends a resource reservation confirmation to the Authenticator.
- Step 507 the Authenticator receives a successful resource reservation confirmation message, but the processing itself is abnormal, and then initiates a data channel resource deletion request to the DPF.
- Step 508 After receiving the data channel resource deletion request sent by the Authenticator, the DPF sends a data channel deletion request to the BS.
- Step 509 after receiving the data channel deletion request, the BS deletes the corresponding data channel and
- DPF sends a data channel delete response
- Step 510 After receiving the data channel deletion response, the DPF sends a data channel resource deletion response to the Authenticator.
- Step 511 After receiving the data channel resource deletion response, the Authenticator sends a data channel resource deletion confirmation to the DPF:
- Step 512 The DPF sends a data channel deletion confirmation to the BS to confirm that the data channel is deleted. It should be noted that the execution sequence of the step and the step 510 are in no particular order, that is, the DPF may send a data channel deletion confirmation to the BS and a data channel resource deletion response to the Authenticator after receiving the data channel deletion response. The order in which the messages are sent has no effect on the implementation of the present invention.
- the present invention can keep the number of data channels of each user on the network element consistent, and avoids the serious consequences that the user cannot use the service or the accounting message cannot be correctly reported due to the inconsistent number of data channels.
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Abstract
本发明公开了一种由MS主动发起的数据通道建立方法和ASN系统,所述方法包括:在由所述MS主动发起的数据通道建立过程中,当Authenticator收到携带有成功标识信息的资源预留确认时,如果本地处理异常,则向DPF发起数据通道资源删除请求;当所述DPF收到所述数据通道资源删除请求或携带有成功标识信息的数据通道建立确认但本地处理异常时,向BS发送数据通道删除请求;所述BS在收到所述数据通道删除请求后,将所述数据通道删除。本发明避免了因数据通道个数不一致导致的用户无法使用业务或者计费消息无法正确上报的严重后果。
Description
一种由移动终端主动发起的数据通道建立方法及 ASN系统
技术领域
本发明涉及通信领域, 尤其涉及一种由移动终端主动发起的数据通道建 立方法及 ASN ( Access Service Network , 接入服务网络 ) 系统。
背景技术
随着移动终端需求的发展和无线技术的广泛应用, 全球微波互联接入 ( Worldwide Interoperability for Microwave Access, WiMAX )技术的发展越来 越迅猛, 前景越来越广阔。
WiMAX是基于 IEEE802.16标准的无线城域网技术, 其网络参考模型如 图 1 所示, 图中所示虚线表示控制面, 实线表示承载面。 其中, CSN ( Connectivity Service Network, 简称 CSN )是连接服务网, MS/SS ( Mobile Station/Subscriber Station, 简称 MS/SS )是移动终端, ASN是 WiMAX网络 系统中与接入业务相关的功能实体的对应消息流程的集合,移动终端通过 R1 口与 ASN相连, 通过 R2口与 CSN相连, ASN与 CSN之间通过 R3口相连, ASN之间通过 R4口相连, CSN之间通过 R5口相连。 ASN内部结构如图 2 所示, 其中 ASN-GW ( ASN Gateway, ASN汇聚网关)和 BS ( Base Station, 基站 )通过内部接口 R6口连接, 其中 R6口由一系列的控制面和承载面协议 构成, BS之间通过 R8口相连。 进一步地, ASN-GW中又包括认证授权功能 实体( Authenticator )、 数据通道功能实体( Data Path Function, DPF )及位置 管理功能实体( PC ( Paging Controller,寻呼控制器)/ LR ( Location Register位 置寄存器) ) , 这三个功能实体可以在同一个物理实体内, 也可以在不同的 物理实体上。
BS主要提供无线资源管理、 功率测量与控制、 空口数据的压缩和加密等 功能; ASN-GW中 Authenticator主要提供认证, 授权和计费功能, DPF主要 提供通道管理, 协助高层与 MS之间建立 3层连接等, PC/LR主要提供位置 管理、 寻呼等功能; CSN中主要包括归属代理 (Home Agent, HA )、 动态主 机配置协议(Dynamic Host Configuration Protocol, DHCP )服务器, 及认证 /
授权 /计费 ( Authentication— Authorization— Accounting, AAA )服务器等功能 实体, 主要提供计费、 鉴权、 授权、 分配 IP地址、 Internet业务接入等功能。
创建数据通道可以由 ASN-GW发起,也可以由 MS根据当前业务的需要 发起数据通道的创建。
如图 3所示, 现有的由 MS发起的数据通道建立流程包括以下步骤:
301 : BS向 DPF发送数据通道建立请求;
302: DPF收到上述数据通道建立请求后, 向 Authenticator发送资源预留 请求;
303: Authenticator收到上述资源预留请求后,向 DPF发送资源预留响应; 304: DPF收到上述资源预留响应后, 向 BS发送数据通道建立响应;
305: BS收到上述数据通道建立响应后,向 DPF发送数据通道建立确认, 以确认数据通道已建立;
306: DPF收到上述数据通道建立确认后, 向 Authenticator发送资源预留 确认。
在上述流程中, 当多条数据通道同时在这个流程中建立的时候存在以下 问题:
1、 当 DPF收到表示携带成功标识信息的数据通道建立确认时(其中, 该成功标识信息用于表示数据通道已建立成功) , 如本地处理异常(如本地 资源受限) , 则无法通知 BS, 则 BS仍然会认为数据通道已经建立成功; 2、 当 Authenticator收到携带成功标识信息的资源预留确认时(其中, 该 成功标识信息用于表示数据通道已建立成功) , 如本地处理异常, 则无法通 知 DPF, 但此时 DPF仍然会认为数据通道已经建立成功。
上述 2个问题会导致如下问题的产生:
A: BS和 ASN-GW上的数据通道的个数不一致, BS上的数据通道的个 数比 ASN-GW上的数据通道的个数多。 当 MS选择了在 BS上有而 ASN-GW 上没有的数据通道进行业务数据传输时,则业务数据无法被传输到 ASN-GW, 亦即无法进行正常的业务;
B: 在 ASN-GW内部 DPF和 Authenticator上的数据通道个数不一致的 情况下, 当用户釆用基于流的计费模式时, 用户的计费信息无法被正确的上 报。 发明内容
本发明要解决的技术问题是提供一种由移动终端主动发起的数据通道建 立方法及 ASN系统,以避免因数据通道个数不一致而导致的用户无法进行业 务或者计费消息无法正确上"¾的严重后果。
为解决上述问题, 本发明提供了一种由移动终端(MS )主动发起的数据 通道建立方法, 包括:
在由所述 MS 主动发起的数据通道建立过程中, 当认证授权功能实体 ( Authenticator )收到携带有成功标识信息的资源预留确认时, 如果本地处理 异常, 则向数据通道功能实体(DPF )发起数据通道资源删除请求;
当所述 DPF收到所述数据通道资源删除请求或携带有成功标识信息的数 据通道建立确认但本地处理异常时, 向基站(BS )发送数据通道删除请求; 以及
所述 BS在收到所述数据通道删除请求后, 将所述数据通道删除。
上述方法还可包括:
所述 BS在收到所述数据通道删除请求后, 向所述 DPF发送数据通道删 除响应。
上述方法还可包括:
所述 DPF在收到所述数据通道删除响应后, 向所述 BS发送数据通道删 除确认。
上述方法还可包括:
所述 DPF在收到所述 Authenticator向其发送的数据通道资源删除请求 后, 向所述 Authenticator发送数据通道资源删除响应。
上述方法还可包括:
所述 Authenticator在收到所述数据通道资源删除响应后 , 向所述 DPF发 送数据通道删除确认。
上述方法还可包括:
所述 DPF在收到携带成功标识信息的数据通道建立确认但本地处理异常 后, 向所述 Authenticator发送携带失败标识信息的资源预留确认。
本发明还提供了一种接入服务网络(ASN ) 系统, 其中包括: 认证授权 功能实体(Authenticator ), 数据通道功能实体(DPF )及基站(BS );
所述 Authenticator设置为: 在由移动终端(MS )主动发起的数据通道建 立过程中, 在收到携带有成功标识信息的资源预留确认时, 如果本地处理异 常, 则向所述 DPF发起数据通道资源删除请求;
所述 DPF设置为: 在收到所述数据通道资源删除请求或携带有成功标识 信息的数据通道建立确认但本地处理异常时,向所述 BS发送数据通道删除请 求;
所述 BS设置为: 在收到所述数据通道删除请求后, 将所述数据通道删 除。
上述 ASN还可具有以下特征:
所述 BS还设置为: 在收到所述数据通道删除请求后, 向所述 DPF发送 数据通道删除响应;
所述 DPF还设置为: 在收到所述数据通道删除响应后, 向所述 BS发送 数据通道删除确认。
上述 ASN还可具有以下特征:
所述 DPF还设置为: 在收到所述 Authenticator向其发送的数据通道资源 删除请求后, 向所述 Authenticator发送数据通道资源删除响应;
所述 Authenticator还设置为: 在收到所述数据通道资源删除响应后, 向 所述 DPF发送数据通道删除确认。
上述 ASN还可具有以下特征:
所述 DPF还设置为: 在收到携带成功标识信息的数据通道建立确认但本 地处理异常后, 向所述 Authenticator发送携带失败标识信息的资源预留确认。
与现有技术相比, 釆用本发明能够使网元上各用户的数据通道数保持一 致, 避免了因数据通道个数不一致导致的用户无法使用业务或者计费消息无 法正确上报的严重后果。 附图说明
图 1为现有技术中 WiMAX系统的架构体系示意图;
图 2为现有技术中 ASN结构示意图;
图 3为现有技术中由 MS主动发起的数据通道建立流程图;
图 4为本发明应用实例一中由 MS主动发起的数据通道建立流程图; 图 5为本发明应用实例二中由 MS主动发起的数据通道建立流程图。 具体实施方式
下面将结合附图及实施例对本发明的技术方案进行更详细的说明。
本发明所述方法的基本构思是: 在由 MS主动发起的数据通道建立过程 中, 当 Authenticator收到携带成功标识信息的资源预留确认时, 如本地处理 异常, 则向 DPF发起数据通道资源删除请求, 以触发数据通道的删除流程; 当 DPF收到 Authenticator向其发送的数据通道资源删除请求或收到携带 成功标识信息的数据通道建立确认但本地处理异常时,向 BS发送数据通道删 除请求。 BS收到后, 会将上述数据通道予以删除。
此外, BS在收到 DPF向其发送的数据通道删除请求后, 还可以向 DPF 发送数据通道删除响应。 而 DPF在收到该数据通道删除响应后, 可以向 BS 发送数据通道删除确认。
当 DPF收到 Authenticator向其发送的数据通道资源删除请求后, 还需要 向 Authenticator发送数据通道资源删除响应。 Authenticator在收到数据通道资 源删除响应后, 可以向 DPF发送数据通道删除确认。
DPF在收到携带成功标识信息的数据通道建立确认但本地处理异常时, 还可以向 Authenticator 发送携带失败标识信息的资源预留确认, 以通知 Authenticator通道建立失败。
相应的, 本发明还提供了一种 ASN系统, 其中包括: Authenticator, DPF 及 BS;
Authenticator用于在由 MS主动发起的数据通道建立过程中,在收到携带 有成功标识信息的资源预留确认时, 如果本地处理异常, 则向 DPF发起数据 通道资源删除请求;
DPF用于在收到上述数据通道资源删除请求或携带有成功标识信息的数 据通道建立确认但本地处理异常时, 向 BS发送数据通道删除请求;
BS用于在收到数据通道删除请求后, 将该数据通道删除。
进一步地, BS还可用于在收到数据通道删除请求后, 向 DPF发送数据 通道删除响应; DPF还可用于在收到数据通道删除响应后, 向 BS发送数据 通道删除确认。 DPF还可用于在收到 Authenticator向其发送的数据通道资源 删除请求后, 向 Authenticator发送数据通道资源删除响应; Authenticator还可 用于在收到数据通道资源删除响应后, 向 DPF发送数据通道删除确认。 DPF 还可用于在收到携带成功标识信息的数据通道建立确认但本地处理异常后, 向 Authenticator发送携带失败标识信息的资源预留确认。
应用实例一
如图 4所述, 由 MS发起的数据通道建立过程主要包括以下步骤: 步骤 401 : BS向 DPF发送数据通道建立请求;
步骤 402: DPF收到上述数据通道建立请求后, 向 Authenticator发送资 源预留请求;
步骤 403: Authenticator收到上述资源预留请求后, 向 DPF发送资源预 留响应;
步骤 404: DPF收到上述资源预留响应后, 向 BS发送数据通道建立响 应;
步骤 405: BS收到上述数据通道建立响应后, 向 DPF发送数据通道建 立确认, 以确认数据通道已建立;
步骤 406: DPF收到携带成功标识信息的通道建立确认消息, 但 DPF本 身处理异常, 则发送携带失败标识信息的资源预留确认消息给 Authenticator, 以通知 Authenticator通道建立失败。 其中, 失败标识信息用于表示通道建立 失败;
步骤 407: DPF发送数据通道删除请求给 BS, 请求删除本次建立失败的 数据通道;
步骤 408: BS删除相应的数据通道并发送数据通道删除响应给 DPF; 步骤 409: DPF发送数据通道删除确认给 BS, 以确认通道删除。
其中, 需要说明的是, 上述步骤 406和步骤 407没有时序关系, 二者执 行次序不分先后。
应用实例二
如图 5所述, 由 MS发起的数据通道建立过程主要包括以下步骤: 步骤 501 : BS向 DPF发送数据通道建立请求;
步骤 502: DPF收到上述数据通道建立请求后, 向 Authenticator发送资 源预留请求;
步骤 503: Authenticator收到上述资源预留请求后, 向 DPF发送资源预 留响应;
步骤 504: DPF收到上述资源预留响应后, 向 BS发送数据通道建立响 应;
步骤 505: BS收到上述数据通道建立响应后, 向 DPF发送数据通道建 立确认, 以确认数据通道已建立;
步骤 506: DPF收到上述数据通道建立确认后, 向 Authenticator发送资 源预留确认;
步骤 507 , Authenticator收到成功的资源预留确认消息,但本身处理异常, 则主动发起数据通道资源删除请求给 DPF;
步骤 508, DPF收到 Authenticator向其发送的数据通道资源删除请求后, 向 BS发送数据通道删除请求;
步骤 509, BS收到上述数据通道删除请求后, 删除相应的数据通道并向
DPF发送数据通道删除响应;
步骤 510, DPF收到数据通道删除响应后, 向 Authenticator发送数据通 道资源删除响应;
步骤 511 , Authenticator收到发送数据通道资源删除响应后,向 DPF发送 数据通道资源删除确认:
步骤 512, DPF发送数据通道删除确认给 BS,以确认该数据通道被删除。 需要说明的是, 该步骤与步骤 510的执行顺序不分先后, 即 DPF只要在收到 数据通道删除响应后, 就可以向 BS发送数据通道删除确认及向 Authenticator 发送数据通道资源删除响应, 两个消息发送顺序的先后对本发明的实现并无 影响。
尽管为示例目的, 已经公开了本发明的优选实施例, 本领域的技术人员 将意识到各种改进、 增加和取代也是可能的, 因此, 本发明的范围应当不限 于上述实施例。
本领域普通技术人员可以理解上述方法中的全部或部分步骤可通过程序 来指令相关硬件完成, 所述程序可以存储于计算机可读存储介质中, 如只读 存储器、 磁盘或光盘等。 可选地, 上述实施例的全部或部分步骤也可以使用 一个或多个集成电路来实现。 相应地, 上述实施例中的各模块 /单元可以釆用 硬件的形式实现, 也可以釆用软件功能模块的形式实现。 本发明不限制于任 何特定形式的硬件和软件的结合。
工业实用性
釆用本发明能够使网元上各用户的数据通道数保持一致, 避免了因数据 通道个数不一致导致的用户无法使用业务或者计费消息无法正确上报的严重 后果。
Claims
1、 一种由移动终端 (MS )主动发起的数据通道建立方法, 其包括: 在由所述 MS 主动发起的数据通道建立过程中, 当认证授权功能实体 ( Authenticator )收到携带有成功标识信息的资源预留确认时, 如果本地处理 异常, 则向数据通道功能实体(DPF )发起数据通道资源删除请求;
当所述 DPF收到所述数据通道资源删除请求或携带有成功标识信息的数 据通道建立确认但本地处理异常时, 向基站(BS )发送数据通道删除请求; 以及
所述 BS在收到所述数据通道删除请求后, 将所述数据通道删除。
2、 如权利要求 1所述的方法, 该方法还包括:
所述 BS在收到所述数据通道删除请求后, 向所述 DPF发送数据通道删 除响应。
3、 如权利要求 2所述的方法, 该方法还包括:
所述 DPF在收到所述数据通道删除响应后, 向所述 BS发送数据通道删 除确认。
4、 如权利要求 1~3中任意一项所述的方法, 该方法还包括:
所述 DPF在收到所述 Authenticator向其发送的数据通道资源删除请求 后, 向所述 Authenticator发送数据通道资源删除响应。
5、 如权利要求 4所述的方法, 该方法还包括:
所述 Authenticator在收到所述数据通道资源删除响应后, 向所述 DPF发 送数据通道删除确认。
6、 如权利要求 1~3中任意一项所述的方法, 该方法还包括:
所述 DPF在收到携带成功标识信息的数据通道建立确认但本地处理异常 后, 向所述 Authenticator发送携带失败标识信息的资源预留确认。
7、 一种接入服务网络 ( ASN ) 系统, 其包括: 认证授权功能实体 ( Authenticator )、 数据通道功能实体( DPF )及基站( BS ),
所述 Authenticator设置为: 在由移动终端(MS )主动发起的数据通道建 立过程中, 在收到携带有成功标识信息的资源预留确认时, 如果本地处理异 常, 则向所述 DPF发起数据通道资源删除请求;
所述 DPF设置为: 在收到所述数据通道资源删除请求或携带有成功标识 信息的数据通道建立确认但本地处理异常时,向所述 BS发送数据通道删除请 求;
所述 BS设置为: 在收到所述数据通道删除请求后, 将所述数据通道删 除。
8、 如权利要求 7所述的 ASN系统, 其中,
所述 BS还设置为: 在收到所述数据通道删除请求后, 向所述 DPF发送 数据通道删除响应;
所述 DPF还设置为: 在收到所述数据通道删除响应后, 向所述 BS发送 数据通道删除确认。
9、 如权利要求 7或 8所述的 ASN系统, 其中,
所述 DPF还设置为: 在收到所述 Authenticator向其发送的数据通道资源 删除请求后, 向所述 Authenticator发送数据通道资源删除响应;
所述 Authenticator还设置为: 在收到所述数据通道资源删除响应后, 向 所述 DPF发送数据通道删除确认。
10、 如权利要求 7或 8的 ASN系统, 其中,
所述 DPF还设置为: 在收到携带成功标识信息的数据通道建立确认但本 地处理异常后, 向所述 Authenticator发送携带失败标识信息的资源预留确认。
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