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WO2007048343A1 - Procédé et dispositif pour gérer des informations d'un terminal sorti d'un mode de veille - Google Patents

Procédé et dispositif pour gérer des informations d'un terminal sorti d'un mode de veille Download PDF

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Publication number
WO2007048343A1
WO2007048343A1 PCT/CN2006/002868 CN2006002868W WO2007048343A1 WO 2007048343 A1 WO2007048343 A1 WO 2007048343A1 CN 2006002868 W CN2006002868 W CN 2006002868W WO 2007048343 A1 WO2007048343 A1 WO 2007048343A1
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WO
WIPO (PCT)
Prior art keywords
terminal
idle mode
information
exits
paging
Prior art date
Application number
PCT/CN2006/002868
Other languages
English (en)
French (fr)
Inventor
Jianjun Wu
Yong Xie
Original Assignee
Huawei Technologies Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Publication of WO2007048343A1 publication Critical patent/WO2007048343A1/zh
Priority to US12/110,605 priority Critical patent/US20080205319A1/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W8/00Network data management
    • H04W8/02Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/02Arrangements for optimising operational condition

Definitions

  • the present invention relates to the field of communications, and in particular, to an implementation scheme for managing information of a terminal that exits an idle mode.
  • the IDLE mode is a terminal operating mode in a mobile broadband wireless access system defined by the IEEE 802.16e (Institute of Electrical and Electronics Engineers 802.16 Mobile) standard.
  • the MS mobile station
  • the BS notifies the MS whether there is a downlink service through the broadcast service message. send.
  • multiple BSs can form a Paging Group.
  • the purpose of the paging group is to form a continuous area. During the inter-cell movement in this area, the MS does not need to perform operations such as handover and location update, thereby saving MS power and air interface resources.
  • the MS can determine whether there is a downlink service sent to it through the downlink paging channel.
  • a paging group must have two characteristics at the same time:
  • the MS can pass
  • the Serving BS sends a request message into idle mode.
  • the Serving BS can also actively request the MS to enter the idle mode by sending a message to the MS.
  • the MS must complete the process of registering and entering the idle mode within a prescribed time.
  • WiMAX Worldwide Interoperability for Microwave Access
  • PC Paging Controller
  • MS idle mode activity which is a logical entity in the current WiMAX network architecture and with another logical entity Authenticator (authenticator) Related.
  • an LR Location Register
  • LR Location Register
  • a PC logical entity corresponds to an LR logical entity, and two logical entities can be implemented in the same physical network element.
  • the MS when the MS actively requests the BS1 as the Serving BS to enter the idle mode, or the BS1 instructs the MS to enter the idle mode, the MS first performs information interaction with the BS1, and then the BS1 and the backend network element The ASN GW performs message interaction, notifying the PC (implemented in ASN-GW1) that the MS enters the idle mode. At the same time, the status information, paging information and service flow information of the MS are saved in the corresponding LR.
  • the MS may carry the information that needs to be reserved when it enters the idle mode in the idle mode request message sent to the BS1, and the BS1 may also set similar information in the idle mode request response message returned to the MS to notify the MS in the LR. Keep relevant information and notify the MS of the ID (identification) of the PC.
  • the corresponding R4 and R6 interfaces need to be released, but the R3 interface between the corresponding HA (home agent) and the FA (foreign agent) needs to be reserved.
  • FIG. 2 a specific processing procedure for a terminal to exit the IDLE mode is as shown in FIG. 2, and includes the following steps:
  • Step 21 The MS initiates the process of exiting the IDLE mode according to the actual situation, for example, being paged.
  • the MS first sends an RNG-REQ (Search Access Request) message to the Serving BS, where the message carries the PC ID (Paging Controller Identity) of the PC where the MS is located, instructing the terminal to request network reentry from the idle mode.
  • RNG-REQ Search Access Request
  • PC ID Policy Controller Identity
  • Step 22 After receiving the RNG-REQ message, the Serving BS sends an MS Info Request message to the Serving ASN-GW (Service Access Service Network).
  • the MS Info Request message includes: an MS ID (Mobile Station Identity, which may be the MAC address of the mobile station), a BS ID (Base Station Identity), and a PC ID obtained from the RNG-REQ message.
  • MS ID Mobile Station Identity, which may be the MAC address of the mobile station
  • BS ID Base Station Identity
  • PC ID PC ID obtained from the RNG-REQ message.
  • Step 23 After receiving the MS Info Request message, the Serving ASN-GW confirms the ASN-GW (Access Service Network Gateway) where the PC is located according to the PC ID carried in the message, and sends the received MS Info Request message. Go to the ASN-GW.
  • ASN-GW Access Service Network Gateway
  • Step 24 After receiving the MS Info Request message, the ASN-GW where the PC is located retrieves the related information of the MS in the LR, and sends an MS Info Response message to the Serving ASN-GW.
  • the MS Info Response message includes: MSID (MS identity), Anchor GW (anchor gateway, equivalent to FA) ID, AK(n) and security context (Security Key Context), MS Idle Mode Retain Information (MS idle mode) Reserved information), MS Info (MS information such as SFIDs (service flow identifier), CIDs (connection identifier), QoS context, etc. ⁇ .
  • Step 25 The Serving ASN-GW forwards the received MS Info Response message to the Serving BS. If the RNG-REQ message has not been verified, the Bay Serving BS verifies the received RNG-REQ according to the key information in the information. The legality of the message, after verifying 'pass, save the obtained MS related information.
  • Step 26 The Serving BS starts to establish and access the data channel of the ASN-GW.
  • a Data Path Establishment Request message is sent to the Serving ASN-GW.
  • the Data Path Establishment Request message includes the following information: MSID, Anchor GW ID (e, g, IP Address), Downlink Service Flow info ⁇ downstream Link service flow identifiers, such as SFIDs, GRE keys, 003 ⁇ 1 ⁇ 6) ⁇ , etc.
  • Step 27 After receiving the Data Path Establishment Request message, the Serving ASN-GW obtains information of the Anchor ASN-GW (anchor ASN-GW, acting as a foreign agent), and starts to establish a data path with the Anchor ASN-GW. Also sends a Data Path Establishment Request message to the Anchor ASN-GW, the Data Path Establishment The Request message includes the following information: MSID, Downlink Service Flow info (SFIDs, GRE keys, QoS context, etc.).
  • MSID MSID
  • Downlink Service Flow info SFIDs, GRE keys, QoS context, etc.
  • Step 28 The Anchor ASN-GW confirms the establishment of the data path of the Serving ASN-GW.
  • the Data Path Establishment Response message is sent to the Serving ASN-GW, and the Data Path Establishment Response message includes: MSID, Uplink Service Flow info (SFIDs, GRE keys, QoS context, etc.).
  • Step 29 The Serving ASN-GW confirms the establishment of the data path with the Serving BS. Sending a Data Path Establishment Response message to the Serving BS, where the Data Path Establishment Response message includes an MSID, an Uplink Service Flow info (SFIDs, GRE keys, a QoS context, etc.).
  • the Data Path Establishment Response message includes an MSID, an Uplink Service Flow info (SFIDs, GRE keys, a QoS context, etc.).
  • Step 210 After receiving the Data Path Establishment Response message sent by the Serving ASN-GW, the Serving BS sends an RNG-RSP message to the MS, and carries the retained MS related information in the message according to the requirements of IEEE 802.16e.
  • Step 21 The MS completes the network re-entry process according to the IEEE 802.16e according to the received RNG-RSP message.
  • Step 212 After the MS completes the network re-entry process, the Serving BS sends a Data Path Establishment Acknowledge message to the Serving ASN-GW to confirm that the data path between the Serving BS and the Serving ASN-GW has been established.
  • Step 213 The Serving ASN-GW then sends a Data Path Establishment Acknowledge message to the Anchor ASN-GW to confirm that the establishment of the data path between the Serving ASN-GW and the ASN-GW is completed.
  • the present invention provides a method and apparatus for managing information of a terminal exiting an idle mode, so that after the terminal exits the IDLE mode, the related information reserved for the terminal in the paging controller and the location register can be deleted. .
  • the present invention provides a method for managing information of a terminal exiting an idle mode, the method comprising: deleting a reserved terminal in a paging controller and a location register of a wireless communication system after the terminal exits the idle IDLE mode Related Information.
  • the method may specifically include:
  • the paging controller and the location register delete the indication information of the relevant reservation information of the terminal according to the received request, and delete the related information of the terminal retained therein.
  • the method specifically includes:
  • the serving base station serving node After the terminal exits the IDLE mode, the serving base station serving node sends an indication message to the base station serving node where the paging controller serving the terminal is located;
  • the base station serving node where the paging controller is located After receiving the indication message, notifies the paging controller to stop the paging state machine corresponding to the terminal, and notify the location register to delete the internal Information about the terminal that is reserved.
  • the method further includes: after the paging controller stops the paging state machine corresponding to the terminal, when the paging interval of the subsequent terminal arrives, the paging message is not sent to the terminal to request periodic location update.
  • the method specifically includes:
  • the serving base station After receiving the search access request message sent by the terminal, the serving base station requests the relevant key information from the serving base station service node to authenticate the received search access request message.
  • the serving base station After the verification of the search access request message is passed, the serving base station sends a terminal information request message carrying the exit IDLE mode indication to the serving base station service node;
  • the serving base station serving node forwards the received terminal information request message to the base station serving node where the paging controller serving the terminal is located, and the base station serving node notifies the paging controller to stop the paging state machine corresponding to the terminal, and notifies the location
  • the relevant information of the terminal reserved therein is deleted in the register.
  • the method specifically includes: after the terminal exits the IDLE mode, setting and starting a timer in the paging controller, and the duration of the timer is determined according to the location update interval of the terminal;
  • the paging controller stops the paging state machine corresponding to the terminal, and notifies the location register to delete the relevant terminal reserved in the terminal. information.
  • the present invention also provides an apparatus for managing information of a terminal that exits an idle mode, including an exit idle mode determining unit and an information deleting operation unit, where:
  • Exiting the idle mode determining unit configured to determine whether the terminal exits the idle mode, and after determining that the terminal exits the idle mode, triggering the information deletion operation unit;
  • the information deletion operation unit under the trigger of the exit idle mode determining unit, controls to delete the related information of the terminal retained in the paging controller and the location register.
  • the information deletion operation unit is disposed in the paging control and the location register, and is specifically configured to: after the terminal exits the IDLE mode, the paging controller and the location register delete the indication information of the related reservation information of the terminal according to the received request, The paging state machine corresponding to the terminal is stopped, and related information of the terminal reserved therein is deleted.
  • the device of the present invention further includes a timer. After the terminal exits the IDLE mode, the timer is set and started in the paging controller. After the timer expires, the base does not receive the location update message of the terminal. The information deletion operation unit is triggered.
  • FIG. 1 is a schematic structural diagram of a paging reference model of an MS in an idle mode defined by the WiMAX standard;
  • FIG. 2 is a specific processing flow diagram of a method for a terminal to exit the IDLE mode in the prior art
  • FIG. 3 is a specific processing flowchart of Embodiment 1 of the method according to the present invention
  • Figure 5 is a flowchart of a specific process of Embodiment 3 of the method of the present invention.
  • FIG. 6 is a schematic diagram of a specific implementation structure of the device according to the present invention.
  • Mode for Carrying Out the Invention provides an implementation scheme for managing information of a terminal exiting an idle mode, so that after the terminal exits the IDLE mode, the PC and the LR according to the received message or according to The timing judgment of itself deletes the related information of the terminal reserved internally.
  • the method of the present invention is improved on the basis of the processing flow shown in FIG. 2, taking a WiMAX system as an example.
  • the ASN-GW is used as the base station serving node
  • the Serving ASN-GW is used as the serving base station serving node.
  • the present invention provides three embodiments for managing information of a terminal that exits the idle mode. Three embodiments will be respectively described below.
  • Embodiment 1 The specific processing flow of Embodiment 1 is as shown in FIG. 3, and includes the following steps:
  • Step 3-1 After the terminal exits the IDLE mode, the Serving ASN-GW sends an IDLE mode exit completion indication message to the ASN-GW where the PC is located.
  • the Serving ASN-GW learns that the terminal has successfully exited the IDLE mode, and the network re-entry succeeds, on the one hand to the anchor ASN-GW.
  • the R4 link establishment success confirmation message is sent; on the other hand, an IDLE mode exit completion indication message is sent to the ASN-GW where the PC serving the terminal is located.
  • Step 3 The ASN-GW where the PC is located exits the completion indication message according to the received I DLE mode, and notifies the PC and the LR to perform the related operation of deleting the retained terminal information.
  • the ASN-GW where the PC serving the terminal receives the paging state machine that is reserved in the PC and exits the IDLE mode, that is, notifies the PC to stop related paging for the MS.
  • the state machine stops and subsequently sends a MOB_PAG_ADV message or a periodic location update message to the MS when the paging interval of the MS arrives; and also informs the LR to delete the information about the MS reserved internally.
  • Step 3-3 The ASN-GW where the PC is located returns a response message to the Serving ASN-GW.
  • the ASN-GW where the PC is located sends an IDLE mode exit completion Ack message to the Serving ASN-GW, indicating that the operation of deleting the MS related information is completed.
  • the Serving ASN-GW does not receive the IDLE mode exit completion response message, it will continue to resend the IDLE mode exit completion indication message to the ASN-GW where the PC is located. Ask the PC and LR to delete the information of the MS that is reserved internally.
  • the specific processing procedure of Embodiment 2 includes the following steps: Step 4-1: After receiving the RNG_REQ message sent by the terminal, the Serving BS requests the relevant key information from the Authenticator through the Serving ASN-GW. .
  • the key information related to the terminal will be stored in the Authenticator.
  • the Serving BS After receiving the RNG_REQ message sent by the terminal, the Serving BS first requests the relevant key information from the Authenticator through the Serving ASN-GW, and then verifies the RNG_REQ message according to the obtained key information, and determines the verification. After passing, the MS Info Request message can be sent to the Serving ASN-GW.
  • Step 4-2 The Serving BS sends an MS Info Request message to the Serving ASN-GW that adds an IDLE mode exit completion indication message.
  • the exit IDLE mode indication message is added to the MS Info Request message sent by the Serving BS to the Serving ASN-GW.
  • the indication message may instruct the PC and the LR to delete information about the terminal reserved therein.
  • Step 4-3 The Serving ASN-GW forwards the received terminal information request message to the ASN-GW where the PC is located, and the ASN-GW notifies the PC and the LR to perform the related operation of deleting the retained terminal information.
  • This step can be specifically:
  • the Serving ASN-GW confirms the ASN-GW where the PC is located according to the received MS Info Request message, and forwards the IDLE mode exit completion indication message to the ASN-GW.
  • the ASN-GW where the PC is located needs to return the MS Info Response message to the Serving ASN-GW.
  • the PC and the LR need to be notified to delete the MS reserved internally.
  • the PC is notified to stop the relevant paging state machine for the MS, and stop the subsequent paging interval of the MS, to the MS.
  • the MOB_PAG_ADV message or the periodic location update message is sent, and the LR is notified to delete the information about the MS reserved internally. After the deletion operation ends, the PC can also return a response message to the ASN-GW.
  • Step 4-4 If the MS fails to exit the IDLE mode, the terminal initiates the re-entry process.
  • the specific process of the embodiment 3 is as shown in FIG. 5, and includes the following steps:
  • Step 5-1 After the terminal exits IDLE mode, set and start a timer in the PC. Specifically: correspondingly in the processing flow shown in FIG. 2, after the terminal exits the IDLE mode, the deletion request message is no longer actively sent to the ASN-GW where the PC is located, and the PC itself sets and starts a timer, the timer The duration is determined based on the location update interval of the MS.
  • Step 5-2 After the timer expires, if the location update message of the terminal is not received, the related operation of deleting the reserved terminal information is performed.
  • the PC stops the relevant paging state machine for the MS, and also needs to stop the subsequent transmission of the MOB_PAG-ADV message to the MS when the paging interval of the MS arrives.
  • the PC Before the timer expires, the PC will send a MOB_PAG_ADV (Paging Broadcast) message to the MS to request the terminal to perform location update and return a location update request message. After the timer expires, if the PC does not receive the periodicity of the MS transmission. The location update message stops itself and notifies the LR to delete the information about the MS that is reserved internally. If the location update message initiated by the terminal is received before the timer expires, the timer is stopped, the paging state machine for the terminal is restarted, and the normal Idle state is returned.
  • MOB_PAG_ADV Paging Broadcast
  • the present invention further provides an apparatus for managing information of a terminal that exits an idle mode.
  • the specific implementation structure of the apparatus is as shown in FIG. 6, and specifically includes an exit idle mode determining unit and an information deleting operation unit, where:
  • the exit idle mode determining unit is configured to determine whether the terminal exits the idle mode, and after determining that the terminal exits the idle mode, triggering the information deletion operation unit;
  • the implementation of the unit specifically determines whether the terminal exits the idle mode. It has been described in the examples, so it will not be described in detail.
  • the information deletion operation unit is configured to, under the trigger of exiting the idle mode determining unit, control to delete related information of the terminal retained in the paging controller and the location register;
  • the information deletion operation unit is disposed in the paging control and the location register, and is specifically configured to: after the terminal exits the IDLE mode, the paging controller and the location register delete the related reservation information of the terminal according to the received request. Instructing to stop the paging state machine corresponding to the terminal, and deleting related information of the terminal retained therein;
  • the indication message is sent by the serving base station serving node to the base station serving node where the paging controller serving the terminal is located after determining that the terminal exits the IDLE mode.
  • the device of the present invention may further include a timer. After the terminal exits the IDLE mode, the timer is set and started in the paging controller. After the timer expires, if the location update message of the terminal is not received. , triggering the information deletion operation unit.

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Description

对退出空闲模式的终端的信息进行管理的方法及装置
技术领域 本发明涉及通讯领域, 尤其涉及一种对退出空闲模式的终端的信息进 行管理的实现方案。
发明背景
IDLE (空闲)模式是 IEEE 802.16e (电子电气工程师协会 802.16移动) 标准定义的移动宽带无线接入系统中的一种终端工作模式。 在该模式下, MS (移动台) 在一个设定的区域内漫游, 每隔一定的周期接收 BS (基站) 下发的下行广播业务消息, BS通过该广播业务消息通知 MS是否有下行业务 要发送。
在移动宽带无线接入系统中, 多个 BS可以组成一个 Paging Group (寻 呼组) 。 寻呼组的目的是构成一个连续的区域, 在这个区域内的小区间移 动, MS不必进行切换、 位置更新等操作流程, 从而可以节省 MS的功率和 空口资源。 MS可以通过下行寻呼信道来判断是否有发送给它的下行业务。 寻呼组必须同时具有两个特点:
1、 要足够大, 以保证大多数 MS在较长时间内可以保持在同一个寻呼 组范围内。
2、 要足够小, 以保证在一个寻呼组对 MS进行寻呼的开销是合理的。 在与某个 Serving BS (服务基站) 的正常操作过程中, MS可以通过向
Serving BS发送请求消息进入空闲模式。 同时, Serving BS也可以通过向 MS发送消息主动要求 MS进入空闲模式。 无论是 MS主动发起请求消息进入 空闲模式, 还是 Serving BS通过发送消息主动要求 MS进入空闲模式, MS 都要在规定的时间内完成去注册、 进入空闲模式的过程。 在 WiMAX (微波接入全球互通)系统中, 空闲模式下的 MS的寻呼参考 模型的结构示意图如图 1所示。 在该参考模型中: PC (寻呼控制器) 是一 个控制 MS空闲模式活动的网络实体,该实体在目前的 WiMAX网络架构中是 一个逻辑实体, 且与另一个逻辑实体 Authenticator (鉴权者) 相关。 此外, 由于 PC需要根据 MS当前所在的寻呼组发起寻呼消息, 因此, 设置了一个 LR (位置寄存器) 保存 MS的状态信息、 寻呼信息和服务流相关信息。 LR 也是一个逻辑实体, 一个 PC逻辑实体对应一个 LR逻辑实体, 并且两个逻辑 实体可以在同一个物理网元内实现。
在图 1所示的寻呼参考模型中, 当 MS向作为 Serving BS的 BS1主动请 求进入空闲模式, 或者 BS1指示 MS进入空闲模式时, MS首先与 BS1进行信 息交互, BS1然后与后端网元 ASN GW之间进行消息交互, 通知 PC (在 ASN-GW1中实现) MS进入了空闲模式。 同时在对应的 LR中保存 MS的状 态信息、 寻呼信息和服务流信息。
MS可以在发给 BS1的空闲模式请求消息中携带它进入空闲模式时需要 保留的信息, BS1在向 MS返回的空闲模式请求响应消息中也可以设置类似 的信息, 用来通知 MS在 LR中所保留的相关信息, 并将 PC的 ID (标识) 通 知给 MS。 此外, 在 MS进入空闲模式后, 需要释放相应的 R4、 R6接口, 但 是需要保留相应的 HA (家乡代理) 与 FA (外地代理) 之间的 R3接口。
在现有技术中, 通常采用的一种终端退出 IDLE模式的具体处理流程如 图 2所示, 包括如下步骤:
步骤 21、 MS根据实际情况, 比如被寻呼了, 发起退出 IDLE模式的处理 流程。 MS首先向 Serving BS发送 RNG—REQ (搜索接入请求) 消息, 在该 消息中携带 MS所在的 PC的 PC ID (寻呼控制器标识) , 指示终端要求从空 闲模式进行网络重入。
步骤 22、 Serving BS接收到 RNG—REQ消息后, 将发送 MS Info Request (MS信息请求) 消息到服务 Serving ASN-GW (服务接入服务网 络网关) , MS Info Request消息中包括: MS ID (移动台标识, 该标识可 以为移动台的 MAC地址) , BS ID (基站标识) , 以及从 RNG— REQ消息 中得到的 PC ID。
步骤 23、 Serving ASN-GW接收到 MS Info Request消息后, 将根据该 消息中携带的 PC ID, 确认 PC所在的 ASN-GW (接入服务网络网关) , 并 将接收到的 MS Info Request消息发送到该 ASN-GW。
步骤 24、 PC所在的 ASN-GW接收到 MS Info Request消息后, 在 LR里 重新找回 MS的相关保留信息, 并发送 MS Info Response (MS信息响应) 消息到 Serving ASN-GW。 MS Info Response消息中包括: MSID (MS标 识), Anchor GW (锚定网关,相当于 FA) ID, AK(n) and security context (安全密钥上下文) , MS Idle Mode Retain Information (MS的空闲模式 保留信息) , MS Info (MS信息, 如 SFIDs (业务流标识) 、 CIDs (连接 标识) 、 QoS context (服务质量上下文) 等} 。
步骤 25、 Serving ASN-GW将接收到的 MS Info Response消息转发给 Serving BS, 如果还没有对 RNG一 REQ消息进行验证, 贝 Serving BS根据 这些信息中的密钥信息, 验证接收到的 RNG— REQ消息的合法性, 在验证 '通过后, 将取得的 MS相关信息进行保存。
步骤 26、 Serving BS开始建立和 Serving ASN-GW的数据通道。首先向 Serving ASN-GW发送 Data Path Establishment Request (数据通道建立请 求) 消息, 该 Data Path Establishment Request消息中包括以下信息: MSID, Anchor GW ID (e、 g、 IP Address) , Downlink Service Flow info {下行链路业务流标识, 如 SFIDs、 GRE keys, 003∞1^6)^等} 。
步骤 27、 Serving ASN-GW接收到 Data Path Establishment Request 消息后,取得 Anchor ASN-GW (锚 ASN-GW,起外地代理的作用)的信息, 开始建立和该 Anchor ASN-GW的数据通路。 也向 Anchor ASN-GW发送 Data Path Establishment Request消息, 该 Data Path Establishment Request消息中包括以下信息: MSID, Downlink Service Flow info (SFIDs、 GRE keys、 QoS context等)。
步骤 28、 Anchor ASN-GW确认和 Serving ASN-GW的数据通路的建 立。 向 Serving ASN-GW发送 Data Path Establishment Response消息, 该 Data Path Establishment Response消息中包括: MSID、 Uplink Service Flow info (SFIDs、 GRE keys, QoS context等)。
步骤 29、 Serving ASN-GW确认与 Serving BS的数据通路的建立。 向 Serving BS发送 Data Path Establishment Response消息, 该 Data Path Establishment Response消息中包括 MSID, Uplink Service Flow info (SFIDs、 GRE keys、 QoS context等)。
步骤 210、 Serving BS接收到 Serving ASN-GW向其发送的 Data Path Establishment Response消息后, 向 MS发送 RNG— RSP消息, 并按照 IEEE 802.16e要求, 在该消息中携带保留的 MS相关信息。
步骤 21 1、 MS根据接收到的 RNG— RSP消息, 按照 IEEE 802.16e的规 定完成网络重入过程。
步骤 212、 在 MS完成网络重入过程以后, Serving BS将向 Serving ASN-GW发送 Data Path Establishment Acknowledge (数据通路建立确认) 消息, 确认 Serving BS和 Serving ASN-GW之间的数据通路已经建立完成。
步骤 213、 Serving ASN-GW然后向 Anchor ASN-GW发送 Data Path Establishment Acknowledge消息, 确认 Serving ASN-GW和铺 ASN-GW之 间的数据通路的建立完成。
可以看出,上述终端退出 IDLE模式的过程中,在终端退出 IDLE模式后, 没有提供相应的处理机制, 以保证 PC以及 LR删除其保留的 MS相关信息。 因此, 上述现有技术存在如下缺点:
1、 由于 PC没有删除其保留的终端对应的寻呼状态机消息, 按照 IEEE
802.16e的定义, 当 MS的位置更新间隔到来的时候, PC会向其下属的 MS 发送 MOB— PAG— ADV (寻呼广播)消息, 而此时 MS已经退出了 IDLE模式, 该消息对于 MS是无用的, PC无谓地发送该消息是 X寸空口的一种浪费。如果 MS退出 IDLE模式以后, 还在该 PC下, 收到该消息以后该怎么处理, 当前 的 IEEE 802.16e空口协议还没有定义。
2、 由于 PC和 LR不删除其保留的 MS相关信息, PC和 LR里就会有大量 的垃圾信息, 因为终端退出 IDLE模式以后, 可能下一次进入 IDLE模式的时 候, 就移动到新的 PC和 LR去了, 当大量终端出现这种情况时, 将导致 PC 和 LR里面保留大量的垃圾信息。 ' 发明内容 本发明提供了一种对退出空闲模式的终端的信息进行管理的方法及装 置, 从而可以在终端退出 IDLE模式以后, 删除寻呼控制器和位置寄存器中 保留的针对该终端的相关信息。
本发明的目的是通过以下技术方案实现的:
本发明提供了一种对退出空闲模式的终端的信息进行管理的方法, 该 方法包括: 在终端退出空闲 IDLE模式后, 在无线通讯系统的寻呼控制器和 位置寄存器中删除保留的该终端的相关信息。
所述的方法具体可以包括:
在终端退出 IDLE模式后, 寻呼控制器和位置寄存器根据接收到的要求 删除该终端的相关保留信息的指示信息, 删除在其内部保留的该终端的相 关信息。
所述的方法具体包括:
在终端退出 IDLE模式后, 服务基站服务节点向服务该终端的寻呼控制 器所在的基站服务节点发送指示消息;
所述寻呼控制器所在的基站服务节点接收到该指示消息后, 通知寻呼 控制器停止所述终端对应的寻呼状态机, 通知位置寄存器中删除在其内部 保留的该终端的相关信息。
所述的方法还包括: 寻呼控制器停止所述终端对应的寻呼状态机后, 在后续终端的寻呼间隔到来时, 不向该终端发送寻呼消息要求其进行周期 性位置更新。
所述的方法具体包括:
服务基站接收到终端发送的搜索接入请求消息后, 服务基站通过服务 基站服务节点向鉴权者请求相关的密钥信息, 对接收到的搜索接入请求消 息进行验证;
在对所述搜索接入请求消息的验证通过后, 服务基站向服务基站服务 节点发送携带退出 IDLE模式指示的终端信息请求消息;
服务基站服务节点将接收到的终端信息请求消息转发给服务该终端的 寻呼控制器所在的基站服务节点, 该基站服务节点通知寻呼控制器停止所 述终端对应的寻呼状态机, 通知位置寄存器中删除在其内部保留的该终端 的相关信息。
所述的方法具体包括: , 在终端退出 IDLE模式后, 在寻呼控制器中设置并启动一个定时器, 该 定时器的时长根据终端的位置更新间隔时间来确定;
在所述定时器超时后, 当没有收到终端的位置更新消息时, 则寻呼控 制器停止所述终端对应的寻呼状态机, 并通知位置寄存器中删除在其内部 保留的该终端的相关信息。
本发明还提供了一种对退出空闲模式的终端的信息进行管理的装置, 包括退出空闲模式确定单元和信息删除操作单元, 其中:
退出空闲模式确定单元, 用于确定终端是否退出空闲模式, 并在确定 终端退出空闲模式后, 触发信息删除操作单元;
信息删除操作单元, 用于退出空闲模式确定单元的触发下, 控制删除 寻呼控制器和位置寄存器中保留的该终端的相关信息。 所述的信息删除操作单元设置于寻呼控制和位置寄存器中, 具体用于 在终端退出 IDLE模式后, 寻呼控制器和位置寄存器根据接收到的要求删除 该终端的相关保留信息的指示信息, 停止所述终端对应的寻呼状态机, 删 除在其内部保留的该终端的相关信息。
本发明所述的装置还包括定时器, 在终端退出 IDLE模式后, 在寻呼控 制器中设置并启动该定时器, 在所述定时器超时后, 基没有收到终端的位 置更新消息, 则触发所述的信息删除操作单元。
由上述本发明提供的技术方案可以看出, 本发明通过在终端退出 IDLE 模式以后或者在终端退出 IDLE模式的过程中, PC和 LR根据接收到的消息或 者根据自身的定时判断, 删除其内部保留的终端的信息, 从而可以有效地 利用 PC和 LR的资源, 提高 PC的空口发射资源的利用率。 附图简要说明 图 1为 WiMAX标准定义的空闲模式下的 MS的寻呼参考模型的结构示意 图;
图 2为在现有技术中, 一种终端退出 IDLE模式的方法的具体处理流程 图; , 图 3为本发明所述方法的实施例 1的具体处理流程图;
图 4为本发明所述方法的实施例 2的具体处理流程图;
图 5为本发明所述方法的实施例 3的具体处理流程图;
图 6为本发明所述的装置的具体实现结构示意图。 实施本发明的方式 本发明提供了一种对退出空闲模式的终端的信息进行管理的实现方 案, 以便于在终端退出 IDLE模式以后, PC和 LR根据接收到的消息或者根据 自身的定时判断, 删除其内部保留的终端的相关信息。
本发明所述方法在图 2所示的处理流程的基础上进行改进, 以 WiMAX 系统为例, 在该系统中, 具体以 ASN-GW作为基站服务节点, 以 Serving ASN-GW作为服务基站服务节点, 本发明提供了对退出空闲模式的终端的 信息进行管理的三个实施例, 下面将分别对三个实施例进行说明。
实施例 1的具体处理流程如图 3所示, 包括如下步骤:
步骤 3-1、 在终端退出 IDLE模式以后, Serving ASN-GW向 PC所在的 ASN-GW发送 IDLE模式退出完成指示消息。
在图 2所示的处理流程中,当 Serving ASN-GW收到服务 BS发送的数据 通路建立确认消息以后, 获知终端已经成功退出了 IDLE模式, 并网络重入 成功, 一方面向錨 ASN-GW发送 R4链路建立成功确认消息; 另一方面向服 务该终端的 PC所在的 ASN-GW发送 IDLE mode exit completion indication (IDLE模式退出完成指示) 消息。
步骤 3-2、 PC所在的 ASN-GW根据接收到的 I DLE模式退出完成指示消 息, 通知 PC和 LR进行相关的删除保留的终端信息的操作。
具体为: 服务该终端的 PC所在的 ASN-GW收到 IDLE mode exit completion indication消息以后, 删除 PC里保留的关于退出 IDLE模式的终 端的寻呼状态机, 即通知 PC停止针对 MS的相关寻呼状态机,并停止后续在 MS的寻呼间隔到来的时候, 向 MS发送 MOB—PAG— ADV消息或周期性位置 更新消息; 还通知 LR删除其内部保留的 MS的相关信息。
步骤 3-3、 PC所在的 ASN-GW向 Serving ASN-GW返回应答消息。
即 PC和 LR进行完相关的删除和停止操作后, PC所在的 ASN-GW向 Serving ASN-GW发送 IDLE mode exit completion Ack( IDLE模式退出完成 应答) 消息, 表示删除 MS的相关信息的操作完成。
如果 Serving ASN-GW没有收到 IDLE模式退出完成应答消息, 会继续 向 PC所在的 ASN-GW重发 IDLE mode exit completion indication消息, 要 求 PC以及 LR删除其内部保留的 MS的信息。 实施例 2的具体处理流程如图 4所示, 包括如下步骤: 步骤 4-1、Serving BS接收到终端发送的 RNG— REQ消息后, Serving BS 通过 Serving ASN-GW向 Authenticator请求相关的密钥信息。
如果在具体实现的时候, PC和 Authenticator不在同一个物理实体, 那 么终端相关的密钥信息将保存在 Authenticator中。此时, Serving BS接收到 终端发送的 RNG— REQ消息以后, 会首先通过 Serving ASN-GW向 Authenticator请求相关的密钥信息, 之后, 根据获得的密钥信息对 RNG_REQ消息进行验证, 并在确定验证通过后, 才可以向 Serving ASN-GW发送 MS Info Request消息。
步骤 4-2、 Serving BS向 Serving ASN-GW发送增加了 IDLE模式退出完 成指示消息的 MS Info Request消息。
也就是说, 在 Serving BS向 Serving ASN-GW发送的 MS Info Request 消息中增加退出 IDLE模式指示消息。该指示消息可以指示 PC和 LR删除其内 部保留的终端的相关信息。
步骤 4-3、 Serving ASN-GW将接收到的终端信息请求消息转发给 PC所 在的 ASN-GW,并由该 ASN-GW通知 PC和 LR进行相关的删除保留的终端信 息的操作。
该步骤具体可以为:
首先, Serving ASN-GW根据接收到的 MS Info Request消息, 确认 PC 所在的 ASN-GW, 向该 ASN-GW转发携带了 IDLE模式退出完成指示消息的
MS Info Request消息;
之后, PC所在的 ASN-GW接收到 MS Info Request消息后, 一方面需 要向 Serving ASN-GW返回 MS Info Response (MS信息响应) 消息, 另一 方面还需要通知 PC和 LR删除其内部保留的 MS的相关信息。 即通知 PC停止 针对 MS的相关寻呼状态机, 停止后续在 MS的寻呼间隔到来的时候, 向 MS 发送 MOB— PAG— ADV消息或周期性位置更新消息,并通知 LR删除其内部保 留的 MS的相关信息。 在删除操作结束后, PC还可以向 ASN-GW返回响应 消息。
步骤 4-4、 如果 MS退出 IDLE模式失败, 则终端发起重入网流程 实施例 3的具体处理流程如图 5所示, 包括如下步骤:
步骤 5-1、 在终端退出 IDLE模式后, 在 PC中设置并启动一个定时器。 具体为: 对应地在图 2所示的处理流程中, 在终端退出 IDLE模式以后, 不再主动发送删除请求消息到 PC所在的 ASN-GW, PC自身设置并启动一个 定时器, 该定时器的时长根据 MS的位置更新间隔时间来确定。
步骤 5-2、 在定时器超时后, 没有收到终端的位置更新消息, 则进行相 关的删除保留的终端信息的操作。
PC停止针对 MS的相关寻呼状态机, 且还需要停止后续在 MS的寻呼间 隔到来的时候, 向 MS发送 MOB— PAG一 ADV消息。
在定时器超时前, PC会向 MS发送 MOB— PAG— ADV (寻呼广播) 消息 要求终端进行位置更新并返回位置更新请求消息, 在定时器超时后, 如果 PC没有收到 MS发送的周期性位置更新消息, 则自己停止, 并通知 LR删除 其内部保留的 MS的相关信息。 如果在定时器超时前, 收到了终端发起的位 置更新消息, 则停止此定时器, 重启针对此终端的寻呼状态机, 回到正常 的 Idle状态。
本发明还提供了一种对退出空闲模式的终端的信息进行管理的装置, 该装置的具体实现结构如图 6所示, 具体包括退出空闲模式确定单元和信息 删除操作单元, 其中:
( 1 )所述的退出空闲模式确定单元,用于确定终端是否退出空闲模式, 并在确定终端退出空闲模式后, 触发信息删除操作单元;
该单元具体采用的确定终端是否退出空闲模式的实现方式前面各实施 例中已经描述, 故在些不再详述。
(2)所述的信息删除操作单元,用于退出空闲模式确定单元的触发下, 控制删除寻呼控制器和位置寄存器中保留的该终端的相关信息;
而且, 所述的信息删除操作单元设置于寻呼控制和位置寄存器中, 并 具体用于在终端退出 IDLE模式后, 寻呼控制器和位置寄存器根据接收到的 要求删除该终端的相关保留信息的指示信息, 停止所述终端对应的寻呼状 态机, 删除在其内部保留的该终端的相关信息;
其中, 所述的指示消息是由服务基站服务节点在确定终端退出 IDLE模 式后, 向服务该终端的寻呼控制器所在的基站服务节点发送。
本发明所述的装置中还可以包括定时器, 在终端退出 IDLE模式后, 在 寻呼控制器中设置并启动该定时器, 在所述定时器超时后, 若没有收到终 端的位置更新消息, 则触发所述的信息删除操作单元。
以上所述, 仅为本发明较佳的具体实施方式, 但本发明的保护范围并 不局限于此, 任何熟悉本技术领域的技术人员在本发明揭露的技术范围内, 可轻易想到的变化或替换, 都应涵盖在本发明的保护范围之内。 因此, 本 发明的保护范围应该以权利要求的保护范围为准。

Claims

权利要求
1、 一种对退出空闲模式的终端的信息进行管理的方法, 其特征在于, 包括:
在终端退出空闲 IDLE模式后, 在无线通讯系统的寻呼控制器和位置寄 存器中删除保留的该终端的相关信息。
2、根据权利要求 1所述对退出空闲模式的终端的信息进行管理的方法, 其特征在于, 所述的方法具体包括:
在终端退出 IDLE模式后, 寻呼控制器和位置寄存器根据接收到的要求 删除该终端的相关保留信息的指示信息, 删除在其内部保留的该终端的相 关信息。
3、根据权利要求 2所述对退出空闲模式的终端的信息进行管理的方法, 其特征在于, 所述的方法具体包括:
在终端退出 IDLE模式后, 服务基站服务节点向服务该终端的寻呼控制 器所在的基站服务节点发送指示消息;
所述寻呼控制器所在的基站服务节点接收到该指示消息后, 通知寻呼 控制器停止所述终端对应的寻呼状态机, 通知位置寄存器中删除在其内部 保留的该终端的相关信息。
4、根据权利要求 3所述对退出空闲模式的终端的信息进行管理的方法, 其特征在于, 所述的方法还包括:
寻呼控制器停止所述终端对应的寻呼状态机后, 在后续终端的寻呼间 隔到来时, 不向该终端发送寻呼消息或要求进行周期性位置更新的消息。
5、根据权利要求 3所述对退出空闲模式的终端的信息进行管理的方法, 其特征在于, 所述的方法还包括:
寻呼控制器和位置寄存器删除在其内部保留的所述终端的相关信息 后, 寻呼控制器所在的基站服务节点向服务基站服务节点返回应答消息。
6、根据权利要求 2所述对退出空闲模式的终端的信息进行管理的方法, 其特征在于, 所述的方法具体包括:
服务基站接收到终端发送的搜索接入请求消息后, 服务基站通过服务 基站服务节点向鉴权者请求相关的密钥信息, 对接收到的搜索接入请求消 息进行验证;
在对所述搜索接入请求消息的验证通过后, 服务基站向服务基站服务 节点发送携带退出 IDLE模式指示的终端信息请求消息;
服务基站服务节点将接收到的终端信息请求消息转发给服务该终端的 寻呼控制器所在的基站服务节点, 该基站服务节点通知寻呼控制器停止所 述终端对应的寻呼状态机, 通知位置寄存器中删除在其内部保留的该终端 的相关信息。
7、根据又利要求 6所述对退出空闲模式的终端的信息进行管理的方法, 其特征在于, 所述的方法还包括:
当终端退出 IDLE模式失败时, 则发起重入网流程。
8、根据权利要求 1所述对退出空闲模式的终端的信息进行管理的方法, 其特征在于, 所述的方法具体包括:
在终端退出 IDLE模式后, 在寻呼控制器中设置并启动一个定时器, 该 定时器的时长根据终端的位置更新间隔时间来确定;
在所述定时器超时后, 当没有收到终端的位置更新消息时, 则寻呼控 制器停止所述终端对应的寻呼状态机, 并通知位置寄存器中删除在其内部 保留的该终端的相关信息。
9、 一种对退出空闲模式的终端的信息进行管理的装置, 其特征在于, 包括退出空闲模式确定单元和信息删除操作单元, 其中:
退出空闲模式确定单元, 用于确定终端是否退出空闲模式, 并在确定 终端退出空闲模式后, 触发信息删除操作单元;
信息删除操作单元, 用于退出空闲模式确定单元的触发下, 控制删除 寻呼控制器和位置寄存器中保留的该终端的相关信息。
10、 根据权利要求 9所述对退出空闲模式的终端的信息进行管理的装 置, 其特征在于, 所述的信息删除操作单元设置于寻呼控制和位置寄存器 中, 具体用于在终端退出 IDLE模式后, 寻呼控制器和位置寄存器根据接收 到的要求删除该终端的相关保留信息的指示信息, 停止所述终端对应的寻 呼状态机, 删除在其内部保留的该终端的相关信息。
11、 根据权利要求 9所述对退出空闲模式的终端的信息进行管理的装 置, 其特征在于, 所述的指示消息是由服务基站服务节点在确定终端退出 IDLE模式后, 向服务该终端的寻呼控制器所在的基站服务节点发送。
12、根据权利要求 9、 10或 11所述对退出空闲模式的终端的信息进行管 理的装置, 其特征在于, 所述的装置还包括:
定时器, 在终端退出 IDLE模式后, 在寻呼控制器中设置并启动该定时 器, 在所述定时器超时后, 基没有收到终端的位置更新消息, 则触发所述 的信息删除操作单元。
PCT/CN2006/002868 2005-10-28 2006-10-26 Procédé et dispositif pour gérer des informations d'un terminal sorti d'un mode de veille WO2007048343A1 (fr)

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