WO2014023175A1 - 一种终端多外部标识共存下的消息处理方法、网络侧设备 - Google Patents

一种终端多外部标识共存下的消息处理方法、网络侧设备 Download PDF

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Publication number
WO2014023175A1
WO2014023175A1 PCT/CN2013/080423 CN2013080423W WO2014023175A1 WO 2014023175 A1 WO2014023175 A1 WO 2014023175A1 CN 2013080423 W CN2013080423 W CN 2013080423W WO 2014023175 A1 WO2014023175 A1 WO 2014023175A1
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WIPO (PCT)
Prior art keywords
trigger
terminal
eid
identifier
network side
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PCT/CN2013/080423
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English (en)
French (fr)
Inventor
杨坤
吴昊
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中兴通讯股份有限公司
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Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to US14/420,030 priority Critical patent/US9451429B2/en
Priority to EP13828338.7A priority patent/EP2884779B1/en
Publication of WO2014023175A1 publication Critical patent/WO2014023175A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/12Messaging; Mailboxes; Announcements
    • H04W4/14Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00Network arrangements, protocols or services for addressing or naming
    • H04L61/09Mapping addresses
    • H04L61/10Mapping addresses of different types
    • H04L61/106Mapping addresses of different types across networks, e.g. mapping telephone numbers to data network addresses
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W8/00Network data management
    • H04W8/26Network addressing or numbering for mobility support

Definitions

  • the present invention relates to the field of machine type communication (MTC), and more particularly to a message processing method and a network side device in which a terminal multiple external identifiers coexist.
  • MTC machine type communication
  • the existing cellular mobile communication system is mainly composed of a core network (CN, Core Network), an access network (RAN, Radio Access Network), and a terminal.
  • the core network is responsible for non-access layer transactions, such as: terminal location update, and the core network is the anchor point of the user plane.
  • the access network includes a base station, or includes a base station and a base station controller, and the access network is responsible for access layer transactions, such as: management of radio resources, etc.; the base stations may have physical or logical connections according to actual conditions, as shown in FIG.
  • the base station 1 is connected to the base station 2 and the base station 3, and each base station can be connected to one or more core network nodes.
  • a user equipment UE, User Equipment
  • a user equipment refers to various devices that can communicate with a cellular mobile communication network, such as a mobile phone, a notebook computer, and the like.
  • the core network mainly includes the following network elements:
  • SMS-SC Short Message Service Center
  • the mobile switching center gateway receives the short message data packet sent by the SMS-SC, reads and checks the parameters in the short message data packet, and queries the home subscriber server (HSS) for the routing information of the terminal, where the routing information Refers to the Mobile Switching Center (MSC) and the Mobility Management Entity (MME) identifier through which the short message is sent;
  • HSS store subscription information of each subscriber, and service node information, such as an identifier of a service node (MSC or MME) that provides services for the terminal;
  • MSC a core network entity that provides services to a terminal in a circuit switched network, where the services include: transmission of control signaling, transmission of short messages, and mobility management;
  • MME a core network entity that provides services for a terminal in a packet switching network, where the service includes: sending of control signaling, sending of short messages, and mobility management;
  • MTC Interoperability Function Entity It is a connection entity between the mobile communication network and the external public network, which can implement functions such as protocol conversion, address query, and information storage.
  • the external identifier (EID, External Identifier) of the terminal is the identifier used by the terminal outside the mobile communication network.
  • the EID should be globally unique and includes the following two parts:
  • Domain ID identifies a domain name controlled by the mobile network operator, which is used to identify the access address of the service provided by the carrier network, such as the service provided by the MTC-IWF, and the operator can use different Domain name identification to provide access to different services;
  • LID Local Identifier
  • IMSI International Mobile Subscriber Identification Number
  • Each terminal has only one IMSI, but there will be one or more EIDs, that is, one IMSI of the terminal corresponds to one or more EIDs.
  • the terminal After receiving the trigger request of the MTC server, the terminal needs to be able to respond immediately and establish a connection with the MTC server; however, in the case that the same terminal has multiple EIDs, the terminal responds to the MTC server and requests to establish and When the MTC server is connected, the network side cannot distinguish between different EIDs. As a result, the network side incorrectly responds to the trigger request of the MTC server, that is, the network side cannot use the correct EID to respond to the trigger request of the MTC server.
  • the content of the SMS-SC filled in the destination address (TP-DA) parameter in the Transmission Protocol Data Unit (TPDU) of the short message (SMS) is the mobile subscriber ISDN number (MSISDN, Mobile Subscriber International ISDN number ), ISDN is the Integrated Service Digital Network.
  • MSISDN Mobile Subscriber International ISDN number
  • ISDN is the Integrated Service Digital Network.
  • the main purpose of the embodiments of the present invention is to provide a message processing method and a network side device in the coexistence of multiple external identifiers of the terminal, so as to enable the network side to correctly respond to the trigger request of the MTC server and ensure the security of the terminal.
  • An embodiment of the present invention provides a message processing method in which a terminal multiple external identifiers coexist, and the method includes:
  • the network side device When the network side device sends a short message carrying the trigger message to the terminal according to the trigger request of the machine type communication MTC server, the network side device fills in the external identifier EID in the target address TP-DA parameter in the transmission protocol data unit TPDU of the short message. Locally identifying the LID, or filling in a trigger-specific identifier configured for the terminal;
  • the network side device When receiving the trigger response of the terminal, the network side device searches for the EID corresponding to the terminal according to the LID or the triggering specific identifier carried therein, and responds to the trigger request of the MTC server according to the retrieved EID.
  • the searching for the EID corresponding to the terminal according to the LID carried therein includes: searching for the EID indexed by the IMSI in the local database of the network side device according to the IMSI carried in the trigger response, in the found EID The EID corresponding to the LID is retrieved.
  • the method further includes: when the network-side device fills in the trigger-specific identifier configured by the terminal at the TP-DA parameter, storing a one-to-one mapping relationship between the trigger-specific identifier and the EID;
  • the EID corresponding to the triggering dedicated identifier retrieval terminal carried by the triggering identifier includes:
  • the method further includes:
  • MSISDN is the same.
  • the embodiment of the invention further provides a network side device, and the device includes:
  • the short message sending module is configured to: when the short message carrying the trigger message is sent to the terminal according to the trigger request of the communication type MTC server according to the machine type, fill in the target address TP-DA parameter in the transmission protocol data unit TPDU of the short message
  • the local identifier LID in the external identifier EID, or the trigger-specific identifier configured as the terminal configuration
  • the retrieval response module is configured to: when receiving the trigger response of the terminal, retrieve the EID corresponding to the terminal according to the LID or the triggering specific identifier carried therein, and respond to the trigger request of the MTC server according to the retrieved EID.
  • the search response module is further configured to search for an EID indexed by the IMSI in a local database of the network side device according to the IMSI carried in the trigger response, and retrieve an EID corresponding to the LID in the found EID.
  • the short message sending module is further configured to: when the TP-DA parameter is filled in the trigger-specific identifier configured by the terminal, storing a one-to-one mapping relationship between the triggering dedicated identifier and the EID;
  • the search response module is further configured to: according to the IMSI carried in the trigger response, look up the EID indexed by the IMSI in a local database of the network side device, and retrieve and trigger the trigger in the found EID. Identifies the corresponding EID.
  • the device further includes: a configuration module configured to add an identifier to the storage information of the network side device as the trigger specific identifier, and the structure of the trigger specific identifier is the same as the mobile user integrated service digital network number MSISDN of the terminal.
  • the message processing method and the network side device in the coexistence of multiple external identifiers of the terminal provided by the embodiment of the present invention in the case that there are multiple EIDs in the same terminal, the terminal responds to the MTC server.
  • the network side can perform the retrieval of the external identifier of the terminal, and respond to the terminal trigger request of the MTC server by using the correct external identifier of the terminal; the invention directly fills in the LID or trigger of the terminal at the TP-DA parameter.
  • Dedicated identification so as to avoid exposing the real IMSI of the terminal to the network too much, and ensuring the security of the terminal.
  • FIG. 1 is a schematic structural diagram of a cellular mobile communication system in the prior art
  • FIG. 2 is a flowchart of a message processing method in which a terminal multiple external identifiers coexist according to an embodiment of the present invention
  • FIG. 3 is a flowchart of triggering a terminal according to Embodiment 1 of the present invention.
  • FIG. 5 is a schematic structural diagram of a network side device according to an embodiment of the present invention. detailed description
  • Step 201 When the network side device sends a short message carrying the trigger message to the terminal according to the trigger request of the MTC server, fill in the external address in the destination address (TP-DA) parameter in the transmission protocol data unit (TPDU) of the short message.
  • TP-DA destination address
  • TPDU transmission protocol data unit
  • Step 202 When receiving the trigger response of the terminal, the network side device searches for the EID corresponding to the terminal according to the LID or the triggering dedicated identifier carried therein, and responds to the trigger request of the MTC server according to the retrieved EID.
  • the short message carrying the trigger message further includes an IMSI of the terminal; the trigger response further carries an IMSI of the terminal.
  • the EID corresponding to the LID retrieved by the LID carried therein includes:
  • the method further includes: when the TP-DA parameter is filled in the TP-DA parameter, the one-to-one mapping relationship between the trigger-specific identifier and the EID is stored; Retrieving the EID corresponding to the terminal according to the trigger-specific identifier carried therein, including:
  • the method further includes: adding the identifier to the storage information of the network side device as the trigger dedicated identifier, and the structure of the trigger dedicated identifier is the same as the MSISDN of the terminal.
  • the network element involved in the method of the embodiment of the present invention mainly includes: SMS-SC, SMS-GMSC, HSS, MME, MTC-IWF 0 combined with a network element, and message processing under the coexistence of multiple external identifiers of the terminal in the embodiment of the present invention The method is further elaborated.
  • the network side device fills in the LID in the EID in the TP-DA parameter in the TPDU of the short message, and the corresponding terminal triggering process is as shown in FIG. 3, which mainly includes the following steps:
  • Step 301 When the MTC server needs to obtain real-time data from the terminal, the trigger request message to the terminal is sent to the MTC-IWF, where the message includes the identifier of the terminal, the identifier of the MTC application, and the address of the MTC server.
  • the identifier of the terminal is an external identifier (EID) of the terminal used outside the mobile communication network, and the EID includes a DID and an LID.
  • Step 302 After receiving the trigger request message sent by the MTC server, the MTC-IWF requests the information of the terminal from the HSS through the user information request message, where the request message includes the EID of the terminal.
  • Step 303 After receiving the user information request message of the MTC-IWF, the HSS searches for the terminal information in the locally stored terminal subscription data according to the EID, where the terminal includes the terminal information.
  • the IMSI and the service CN node information are internally identified, and the found terminal information is sent to the MTC-IWF through the user information feedback message.
  • the serving CN node information of the terminal may be an identifier of the service SMS-SC of the terminal.
  • Step 304 After acquiring and storing the terminal information, the MTC-IWF constructs a new trigger message, and sends it to the serving CN node of the terminal (in this embodiment, the service SMS-SC of the terminal), where the trigger message includes the EID of the terminal. And IMSI.
  • Step 305 After receiving the trigger message of the MTC-IWF, the SMS-SC reads the EID and the IMSI, and constructs a short message carrying the trigger message, that is, the trigger message is used as an information element of the short message, and the short message is sent.
  • the short message includes the IMSI of the terminal.
  • SMS-SC also fills in the local identity (LID) in the EID at the destination address (TP-DA) parameter in the Transmission Protocol Data Unit (TPDU) of the short message.
  • LID local identity
  • TP-DA destination address parameter in the Transmission Protocol Data Unit (TPDU) of the short message.
  • Step 306 After receiving the short message of the SMS-SC, the SMS-GMSC requests the routing information of the terminal from the HSS through the routing information request message, where the request message includes the IMSI of the terminal.
  • Step 307 After receiving the routing information request message of the SMS-GMSC, the HSS searches the local database for the MME identity indexed by the IMSI according to the IMSI, and then sends the IMSI and the corresponding MME identity to the SMS-in the routing information feedback message. GMSC.
  • Step 308 After receiving the routing information feedback message, the SMS-GMSC reads the MME identifier, and sends the short message received from the SMS-SC to the corresponding MME.
  • Step 309 The MME reads the IMSI in the short message, and queries the local database according to the IMSI to obtain the state of the terminal. If the terminal is in the idle state, the MME sends a paging message to the terminal, and the terminal sends the service after receiving the paging message.
  • NAS non-access stratum
  • Step 310 The MME sends a short message sending report to the SMS-GMSC, where the report indicates that the short message is sent successfully, and the short message sending report includes the IMSI and the LID filled in the TP-DA parameter.
  • Step 311 After receiving the short message sending report, the SMS-GMSC sends a short message sending report to the SMS-SC, and the report indicates that the short message is successfully sent.
  • the short message sending report includes the IMSI of the terminal and the LID.
  • Step 312 After receiving the short message sending report, the SMS-SC sends a triggering message to the MTC-IWF, and the report indicates that the triggering message is successfully sent.
  • the triggering message sending report includes the IMSI of the terminal and the LID.
  • Step 313 After receiving the trigger message sending report, the MTC-IWF reads the IMSI and the LID, and searches for the EID indexed by the IMSI in the local database according to the IMSI, and searches for the multiple EIDs in the searched EID.
  • the EID corresponding to the LID is sent, and the trigger request report is sent to the MTC server, and the report indicates that the trigger request is successful, and the trigger request report includes the EID corresponding to the LID.
  • the network side device fills in the TP-DA parameter in the TPDU of the short message as the trigger-specific identifier configured by the terminal, and the corresponding terminal triggering process is as shown in FIG. 4, which mainly includes the following steps:
  • Steps 401 to 403 are the same as the foregoing steps 301 to 303, and are not described here.
  • Step 404 After acquiring and storing the terminal information, the MTC-IWF configures a trigger-specific identifier for the terminal, and stores a one-to-one mapping relationship between the triggering dedicated identifier and the EID in the terminal information of the MTC-IWF;
  • the specific implementation may add an identifier to the stored information of the MTC-IWF to indicate that the dedicated identifier is triggered, such as triggering MSISDN (MSISDN-Trigger), and its structure definition is exactly the same as the MSISDN of the terminal.
  • MSISDN MSISDN-Trigger
  • the MTC-IWF constructs a new trigger message and sends it to the terminal's service SMS-SC, which includes the terminal's MSISDN-Trigger and IMSI.
  • Step 405 after receiving the trigger message of the MTC-IWF, the SMS-SC reads the The MSISDN-Trigger and the IMSI are configured to construct a short message carrying a trigger message, that is, the trigger message is used as an information element of the short message, and the short message is sent to the SMS-GMSC, where the short message includes the IMSI of the terminal.
  • the SMS-SC fills in the MSISDN-Trigger at the TP-DA parameter in the TPDU of the short message.
  • Step 406 After receiving the short message of the SMS-SC, the SMS-GMSC requests the routing information of the terminal from the HSS through the routing information request message, where the request message includes the IMSI of the terminal.
  • Step 407 After receiving the routing information request message of the SMS-GMSC, the HSS searches the local database for the MME identity indexed by the IMSI according to the IMSI, and then sends the IMSI and the corresponding MME identity to the SMS in the routing information feedback message. GMSC.
  • Step 408 After receiving the routing information feedback message, the SMS-GMSC reads the MME identifier, and sends the short message received from the SMS-SC to the corresponding MME.
  • Step 409 The MME reads the IMSI in the short message, and queries the local database according to the IMSI to obtain the state of the terminal. If the terminal is in the idle state, the MME sends a paging message to the terminal, and the terminal sends the service after receiving the paging message.
  • NAS non-access stratum
  • Step 410 The MME sends a short message sending report to the SMS-GMSC, where the report indicates that the short message is sent successfully, and the short message sending report includes the IMSI and the MSISDN-Trigger filled in the TP-DA parameter.
  • Step 411 After receiving the short message sending report, the SMS-GMSC sends a short message sending report to the SMS-SC, and the report indicates that the short message is successfully sent.
  • the short message sending report includes the IMSI of the terminal and the MSISDN-Trigger.
  • Step 412 After receiving the short message sending report, the SMS-SC sends a triggering message to the MTC-IWF, and the report indicates that the triggering message is successfully sent.
  • the triggering message sending report includes the IMSI of the terminal and the MSISDN-Trigger.
  • Step 413 After receiving the trigger message sending report, the MTC-IWF reads the IMSI and the MSISDN-Trigger therein, and searches the local database for the EID indexed by the IMSI according to the IMSI, and searches for the multiple EIDs found.
  • the present invention further provides an embodiment of a network side device, as shown in FIG. 5, the device mainly includes: a short message sending module 10 and a retrieval response, which are corresponding to the message processing method of the terminal multiple external identifiers in the embodiment of the present invention.
  • Module 20 the device mainly includes: a short message sending module 10 and a retrieval response, which are corresponding to the message processing method of the terminal multiple external identifiers in the embodiment of the present invention.
  • the short message sending module 10 is configured to: when the short message carrying the trigger message is sent to the terminal according to the trigger request of the MTC server, fill in the LID in the EID in the TP-DA parameter in the TPDU of the short message, or Filling in the trigger-specific identifier configured for the terminal;
  • the retrieval response module 20 is configured to: when receiving the trigger response of the terminal, retrieve the EID corresponding to the terminal according to the LID or the trigger-specific identifier carried therein, and respond to the MTC according to the retrieved EID.
  • the server's trigger request is configured to: when the short message carrying the trigger message is sent to the terminal according to the trigger request of the MTC server, fill in the LID in the EID in the TP-DA parameter in the TPDU of the short message, or Filling in the trigger-specific identifier configured for the terminal;
  • the retrieval response module 20 is configured to: when receiving the trigger response of the terminal, retrieve the EID corresponding to the terminal according to the LID or the trigger-
  • the short message carrying the trigger message further includes the IMSI of the terminal; the trigger response further carries the IMSI of the terminal.
  • the search response module 20 is further configured to search for an EID indexed by the IMSI in a local database of the network side device according to the IMSI in the trigger response, and retrieve an EID corresponding to the LID in the found EID.
  • the short message sending module 10 is further configured to: when the TP-DA parameter is filled in the trigger-specific identifier configured by the terminal, storing a one-to-one mapping relationship between the triggering dedicated identifier and the EID; correspondingly, the retrieval response module 20 is further configured to: according to the IMSI in the trigger response, look up the EID indexed by the IMSI in the local database of the network side device, and find the The EID corresponding to the trigger specific identifier is retrieved in the EID.
  • the device further includes: a configuration module 30, configured to add an identifier to the storage information of the network side device as the triggering dedicated identifier, and the structure of the triggering dedicated identifier is the same as the MSISDN of the terminal.
  • a configuration module 30 configured to add an identifier to the storage information of the network side device as the triggering dedicated identifier, and the structure of the triggering dedicated identifier is the same as the MSISDN of the terminal.
  • the short message sending module 10 may be disposed inside the SMS-SC, and the search response module 20 and the configuration module 30 may be disposed inside the MTC-IWF.
  • the present invention is not limited to this embodiment, and can be extended according to actual needs.
  • the network side can perform the external identification of the terminal and use the correct terminal externally. Identifying the terminal triggering request in response to the MTC server; the invention directly fills in the LID of the terminal or triggers the dedicated identifier at the TP-DA parameter, thereby avoiding exposing the real IMSI of the terminal to the network excessively, thereby ensuring the security of the terminal. .
  • the present invention is directed to the case where multiple EIDs exist in the same terminal.
  • the terminal responds to the MTC server and requests to establish a connection with the MTC server
  • the network side can perform the retrieval of the external identifier of the terminal, and respond to the terminal trigger of the MTC server by using the correct external identifier of the terminal.
  • the invention directly fills in the LID of the terminal or triggers the dedicated identifier at the TP-DA parameter, thereby avoiding exposing the real IMSI of the terminal to the network too much, thereby ensuring the security of the terminal.

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Abstract

本发明公开了一种终端多外部标识共存下的消息处理方法、网络侧设备,方法包括:网络侧设备根据机器类型通信(MTC)服务器的触发请求,向终端发送携带触发消息的短消息(SMS)时,在所述短消息的传输协议数据单元(TPDU)中的目标地址(TP-DA)参数处填写外部标识(EID)中的本地标识(LID)、或者填写为所述终端配置的触发专用标识;所述网络侧设备在收到终端的触发响应时,根据其中携带的LID或触发专用标识检索终端对应的EID,并根据检索到的EID响应所述MTC服务器的触发请求。通过本发明,实现了网络侧正确地响应MTC服务器的触发请求,并能保证终端的安全性。

Description

一种终端多外部标识共存下的消息处理方法、 网络侧设备 技术领域
本发明涉及机器类型通信( MTC, Machine Type Communication )领域, 尤其涉及一种终端多外部标识共存下的消息处理方法、 网络侧设备。 背景技术
现有的蜂窝移动通信***, 如图 1 所示, 主要由核心网 (CN, Core Network ), 接入网 (RAN, Radio Access Network )和终端组成。 其中, 核 心网负责非接入层事务,如: 终端位置更新等,且核心网是用户面的锚点。 接入网包括基站、 或者包括基站和基站控制器, 接入网负责接入层事务, 如: 无线资源的管理等; 基站之间可以根据实际情况存在物理或者逻辑上 的连接, 如图 1中的基站 1与基站 2和基站 3之间的连接, 并且每个基站 可以与一个或者多个核心网节点连接。 终端即用户设备 (UE, User Equipment ),是指可以与蜂窝移动通信网络通信的各种设备,如:移动电话、 笔记本电脑等。
其中, 核心网主要包括以下网元:
短消息业务中心 ( SMS-SC ): 生成短消息内容, 根据短消息协议封装 成短消息数据包;
移动交换中心网关( SMS-GMSC ):接收 SMS-SC发送的短消息数据包, 读取并检查短消息数据包中的参数, 向归属用户服务器(HSS )查询终端的 路由信息, 这里的路由信息是指发送短消息经由的移动交换中心 (MSC ) 和移动性管理实体(MME )标识;
HSS: 存储每一个签约用户的签约信息, 以及服务节点信息, 例如为终 端提供服务的服务节点 ( MSC或 MME ) 的标识; MSC:在电路交换网络为终端提供服务的核心网实体,所述服务包括: 控制信令的发送、 短消息的发送、 移动性管理;
MME:在分组交换网络为终端提供服务的核心网实体,所述服务包括: 控制信令的发送、 短消息的发送、 移动性管理;
MTC互操作功能实体(MTC-IWF ): 是移动通信网和外部公网之间的 一个连接实体, 能够实现协议转换、 地址查询、 信息保存等功能。
终端的外部标识 (EID, External Identifier )是终端在移动通信网之外 使用的标识, EID应是全局唯一的, 并包括以下两个部分:
1、 域名标识 (DID , Domain Identifier ): 标识一个由移动网络运营商 控制的域名, 用于标识由运营商网络所提供服务的访问地址, 如 MTC-IWF 提供的服务, 且运营商可以使用不同的域名标识以提供不同的服务接入;
2、 本地标识 ( LID, Local Identifier ): 一个由移动网络运营商进行管 理、用于导出或获取终端的国际移动用户识别码( IMSI, International Mobile Subscriber Identification Number )的标识,且本地标识在适用域内是唯一的。
每个终端仅有一个 IMSI,却会有一个或者多个 EID,即终端的一个 IMSI 对应一个或多个 EID。 现有技术中, 终端在接收到 MTC服务器的触发请求 后, 需要能立即响应, 并建立与 MTC服务器的连接; 然而, 针对同一终端 有多个 EID的情况, 在终端响应 MTC服务器并请求建立与 MTC服务器的 连接时, 网络侧无法按照不同的 EID进行区分, 从而会导致网络侧错误地 响应 MTC服务器的触发请求、 即网络侧无法使用正确的 EID响应 MTC服 务器的触发请求。
另一方面, 现有技术中, SMS-SC在短消息(SMS )的传输协议数据单 元(TPDU ) 中的目标地址(TP-DA )参数处填写的内容为终端的移动用户 ISDN号码( MSISDN, Mobile Subscriber International ISDN number ), ISDN 为综合业务数字网( Integrated Service Digital Network )。那么,在无 MSISDN ( MSISDN-less )模式的通信过程中,就需要使用其它的终端标识进行替代。 已有解决方案在 TP-DA参数处直接填写终端的 IMSI, 然而将终端真实的 IMSI过多的暴露于网络中势必会增加终端的安全隐患。 发明内容
有鉴于此, 本发明实施例的主要目的在于提供一种终端多外部标识共 存下的消息处理方法、 网络侧设备, 以实现网络侧正确地响应 MTC服务器 的触发请求, 并保证终端的安全性。
为达到上述目的, 本发明实施例的技术方案是这样实现的:
本发明实施例提供了一种终端多外部标识共存下的消息处理方法, 该 方法包括:
网络侧设备根据机器类型通信 MTC服务器的触发请求,向终端发送携 带触发消息的短消息时, 在所述短消息的传输协议数据单元 TPDU中的目 标地址 TP-DA参数处填写外部标识 EID中的本地标识 LID、 或者填写为所 述终端配置的触发专用标识;
所述网络侧设备在收到终端的触发响应时, 根据其中携带的 LID或触 发专用标识检索终端对应的 EID,并根据检索到的 EID响应所述 MTC服务 器的触发请求。
优选的, 所述根据其中携带的 LID检索终端对应的 EID, 包括: 根据触发响应中携带的 IMSI, 在网络侧设备的本地数据库中查找以所 述 IMSI为索引的 EID, 在查找到的 EID中检索与所述 LID对应的 EID。
优选的, 该方法还包括: 网络侧设备在 TP-DA参数处填写为所述终端 配置的触发专用标识时,存储所述触发专用标识与 EID的一对一映射关系; 相应的, 所述根据其中携带的触发专用标识检索终端对应的 EID, 包 括:
根据触发响应中携带的 IMSI, 在网络侧设备的本地数据库中查找以所 述 IMSI为索引的 EID,在查找到的 EID中检索与所述触发专用标识对应的 EID。
优选的, 该方法还包括:
通过在网络侧设备的存储信息中增加标识, 作为所述触发专用标识, 且所述触发专用标识的结构与终端的移动用户综合业务数字网号码
MSISDN相同。
本发明实施例还提供了一种网络侧设备, 该设备包括:
短消息发送模块,配置为在根据机器类型通信 MTC服务器的触发请求, 向终端发送携带触发消息的短消息时, 在所述短消息的传输协议数据单元 TPDU中的目标地址 TP-DA参数处填写外部标识 EID中的本地标识 LID、 或者填写为所述终端配置的触发专用标识;
检索响应模块,配置为在收到终端的触发响应时,根据其中携带的 LID 或触发专用标识检索终端对应的 EID, 并根据检索到的 EID响应所述 MTC 服务器的触发请求。
所述检索响应模块还配置为, 根据触发响应中携带的 IMSI, 在网络侧 设备的本地数据库中查找以所述 IMSI为索引的 EID,在查找到的 EID中检 索与所述 LID对应的 EID。
所述短消息发送模块还配置为, 在 TP-DA参数处填写为所述终端配置 的触发专用标识时, 存储所述触发专用标识与 EID的一对一映射关系;
相应的, 所述检索响应模块还配置为, 根据触发响应中携带的 IMSI, 在网络侧设备的本地数据库中查找以所述 IMSI为索引的 EID, 在查找到的 EID中检索与所述触发专用标识对应的 EID。
该设备还包括: 配置模块, 配置为在网络侧设备的存储信息中增加标 识, 作为所述触发专用标识, 且所述触发专用标识的结构与终端的移动用 户综合业务数字网号码 MSISDN相同。
本发明实施例所提供的一种终端多外部标识共存下的消息处理方法、 网络侧设备,针对同一终端存在多个 EID的情况,在终端响应 MTC服务器 并请求建立与 MTC服务器的连接时, 网络侧能够进行终端外部标识的检索, 并使用正确的终端外部标识响应 MTC 服务器的终端触发请求; 本发明在 TP-DA参数处直接填写终端的 LID或触发专用标识, 从而避免将终端真实 的 IMSI过多的暴露于网络中, 保证了终端的安全性。 附图说明
图 1为现有技术中蜂窝移动通信***的结构示意图;
图 2 为本发明实施例的一种终端多外部标识共存下的消息处理方法的 流程图;
图 3为本发明实施例一的终端触发流程图;
图 4为本发明实施例二的终端触发流程图;
图 5为本发明实施例的一种网络侧设备的组成结构示意图。 具体实施方式
下面结合附图和具体实施例对本发明的技术方案进一步详细阐述。
本发明实施例提供的一种终端多外部标识共存下的消息处理方法, 如 图 2所示, 主要包括:
步骤 201, 网络侧设备根据 MTC服务器的触发请求, 向终端发送携带 触发消息的短消息时, 在所述短消息的传输协议数据单元(TPDU ) 中的目 标地址(TP-DA )参数处填写外部标识(EID ) 中的本地标识(LID )、 或者 填写为所述终端配置的触发专用标识。
步骤 202, 网络侧设备在收到终端的触发响应时, 根据其中携带的 LID 或触发专用标识检索终端对应的 EID, 并根据检索到的 EID响应所述 MTC 服务器的触发请求。
所述携带触发消息的短消息中还包括所述终端的 IMSI; 所述触发响应 中还携带终端的 IMSI。 其中, 根据其中携带的 LID检索终端对应的 EID, 包括:
根据触发响应中的 IMSI, 在网络侧设备的本地数据库中查找以所述 IMSI为索引的 EID, 在查找到的 EID中检索与所述 LID对应的 EID。
较佳的, 该方法还包括: 网络侧设备在 TP-DA参数处填写为所述终端 配置的触发专用标识时,存储所述触发专用标识与 EID的一对一映射关系; 相应的, 所述根据其中携带的触发专用标识检索终端对应的 EID, 包 括:
根据触发响应中的 IMSI, 在网络侧设备的本地数据库中查找以所述 IMSI为索引的 EID,在查找到的 EID中检索与所述触发专用标识对应的 EID。
较佳的, 该方法还包括: 通过在网络侧设备的存储信息中增加标识, 作为所述触发专用标识, 且所述触发专用标识的结构与终端的 MSISDN相 同。
本发明实施例的方法所涉及的网元主要包括: SMS-SC、 SMS-GMSC、 HSS、 MME、 MTC-IWF0 下面结合以上网元, 对本发明实施例的终端多外 部标识共存下的消息处理方法进一步详细阐述。
在本发明的实施例一中, 网络侧设备在短消息的 TPDU中的 TP-DA参 数处填写 EID中的 LID, 相应的终端触发流程如图 3所示, 主要包括以下 步骤:
步骤 301, 当 MTC服务器需要从终端获取实时数据时, 将对终端的触 发请求消息发送到 MTC-IWF,消息中包括终端的标识、 MTC应用的标识、 MTC服务器的地址。 所述终端的标识, 为移动通信网之外使用的终端的外 部标识( EID ), EID包括 DID和 LID。
步骤 302, MTC-IWF在收到 MTC服务器发送的触发请求消息后, 通 过用户信息请求消息向 HSS请求终端的信息,请求消息中包括终端的 EID。
步骤 303, HSS在收到 MTC-IWF的用户信息请求消息后, 根据其中的 EID 在本地存储的终端签约数据中查找相应的终端信息, 其中包括终端的 内部标识 IMSI、 服务 CN节点信息, 并通过用户信息反馈消息将查找到的 终端信息发送给 MTC-IWF。 所述终端的服务 CN节点信息可以是终端的服 务 SMS-SC的标识。
步骤 304, MTC-IWF在获取并存储终端信息后, 构建新的触发消息, 并发送给终端的服务 CN节点 (本实施例中即终端的服务 SMS-SC ), 该触 发消息中包括终端的 EID和 IMSI。
步骤 305, SMS-SC在收到 MTC-IWF的触发消息后, 读取其中的 EID 和 IMSI, 构建携带触发消息的短消息, 即触发消息作为短消息的一个信息 元, 并将该短消息发送给 SMS-GMSC, 短消息中包括终端的 IMSI。
另外, SMS-SC还在短消息的传输协议数据单元(TPDU ) 中的目标地 址(TP-DA )参数处填写 EID中的本地标识(LID )。
步骤 306, SMS-GMSC在收到 SMS-SC的短消息后, 通过路由信息请 求消息向 HSS请求终端的路由信息, 请求消息中包括终端的 IMSI。
步骤 307, HSS接收到 SMS-GMSC的路由信息请求消息后,根据 IMSI 在本地数据库中查找以该 IMSI为索引的 MME标识, 然后将 IMSI及对应 的 MME标识在路由信息反馈消息中发送给 SMS-GMSC。
步骤 308, SMS-GMSC收到路由信息反馈消息后, 读取其中的 MME 标识, 将从 SMS-SC接收的短消息发送到对应的 MME。
步骤 309, MME读取短消息中的 IMSI,根据 IMSI查询本地的数据库, 获得该终端的状态,如果该终端处于空闲状态,则 MME发送寻呼消息给终 端,终端接收到寻呼消息后发送业务请求信令给 MME请求建立与 MME的 非接入层( NAS )连接; 在 NAS连接建立完成后, MME将从 SMS-GMSC 接收到的短消息封装在 NAS信令 Downlink NAS transport (下行 NAS传输 信令) 中, 即短消息作为该 NAS信令的一个信息元发送给终端。 如果该终 端处于连接状态, 则 MME直接将短消息封装在 NAS信令 Downlink NAS transport中,发送给终端。终端接收到短消息后,发送确认反馈信息给 MME。 步骤 310, MME发送短消息发送报告给 SMS-GMSC,报告指示短消息 发送成功, 短消息发送报告中包括 IMSI和填写在 TP-DA参数处的 LID。
步骤 311, SMS-GMSC接收到短消息发送报告后, 发送短消息发送报 告给 SMS-SC , 报告指示短消息发送成功, 短消息发送报告中包括终端的 IMSI和所述 LID。
步骤 312, SMS-SC接收到短消息发送报告后, 发送触发消息发送报告 给 MTC-IWF, 报告指示触发消息发送成功, 触发消息发送报告中包括终端 的 IMSI和所述 LID。
步骤 313, MTC-IWF接收到触发消息发送报告后, 读取其中的 IMSI 和 LID, 并根据 IMSI在本地数据库中查找以该 IMSI为索引的 EID, 在查 找到的多个 EID中, 检索与所述 LID对应的 EID, 并发送触发请求报告给 MTC服务器, 报告指示触发请求成功, 触发请求报告中包括与所述 LID对 应的 EID。
在本发明的实施例二中, 网络侧设备在短消息的 TPDU中的 TP-DA参 数处填写为终端配置的触发专用标识, 相应的终端触发流程如图 4所示, 主要包括以下步骤:
步骤 401~403同前述步骤 301~303, 此处不再赘述。
步骤 404, MTC-IWF在获取并存储终端信息后, 为终端配置触发专用 标识, 并存储触发专用标识与 EID的一对一映射关系于 MTC-IWF的终端 信息中;
具体实施可在 MTC-IWF的存储信息中增加标识以指示触发专用标识, 如触发 MSISDN ( MSISDN-Trigger ),其结构定义与终端的 MSISDN完全相 同。
MTC-IWF构建新的触发消息, 并发送给终端的服务 SMS-SC, 该触发 消息中包括终端的 MSISDN-Trigger和 IMSI。
步骤 405, SMS-SC 在收到 MTC-IWF 的触发消息后, 读取其中的 MSISDN-Trigger和 IMSI, 构建携带触发消息的短消息, 即触发消息作为短 消息的一个信息元, 并将该短消息发送给 SMS-GMSC , 短消息中包括终端 的 IMSI。
另外, SMS-SC 在短消息的 TPDU 中的 TP-DA 参数处填写所述 MSISDN-Trigger。
步骤 406, SMS-GMSC在收到 SMS-SC的短消息后, 通过路由信息请 求消息向 HSS请求终端的路由信息, 请求消息中包括终端的 IMSI。
步骤 407, HSS接收到 SMS-GMSC的路由信息请求消息后,根据 IMSI 在本地数据库中查找以该 IMSI为索引的 MME标识, 然后将 IMSI及对应 的 MME标识在路由信息反馈消息中发送给 SMS-GMSC。
步骤 408, SMS-GMSC收到路由信息反馈消息后, 读取其中的 MME 标识, 将从 SMS-SC接收的短消息发送到对应的 MME。
步骤 409, MME读取短消息中的 IMSI,根据 IMSI查询本地的数据库, 获得该终端的状态,如果该终端处于空闲状态,则 MME发送寻呼消息给终 端,终端接收到寻呼消息后发送业务请求信令给 MME请求建立与 MME的 非接入层( NAS )连接; 在 NAS连接建立完成后, MME将从 SMS-GMSC 接收到的短消息封装在 NAS信令 Downlink NAS transport中, 即短消息作 为该 NAS 信令的一个信息元发送给终端。 如果该终端处于连接状态, 则 MME直接将短消息封装在 NAS信令 Downlink NAS transport中,发送给终 端。 终端接收到短消息后, 发送确认反馈信息给 MME。
步骤 410, MME发送短消息发送报告给 SMS-GMSC,报告指示短消息 发送成功, 短消息发送报告中包括 IMSI 和填写在 TP-DA 参数处的 MSISDN-Trigger。
步骤 411, SMS-GMSC接收到短消息发送报告后, 发送短消息发送报 告给 SMS-SC , 报告指示短消息发送成功, 短消息发送报告中包括终端的 IMSI和所述 MSISDN-Trigger。 步骤 412, SMS-SC接收到短消息发送报告后, 发送触发消息发送报告 给 MTC-IWF, 报告指示触发消息发送成功, 触发消息发送报告中包括终端 的 IMSI和所述 MSISDN-Trigger。
步骤 413, MTC-IWF接收到触发消息发送报告后, 读取其中的 IMSI 和 MSISDN-Trigger, 并根据 IMSI在本地数据库中查找以该 IMSI为索引的 EID, 在查找到的多个 EID中, 检索与所述 MSISDN-Trigger对应的 EID, 并发送触发请求报告给 MTC服务器, 报告指示触发请求成功, 触发请求报 告中包括与所述 MSISDN-Trigger对应的 EID。
对应本发明实施例的终端多外部标识共存下的消息处理方法, 本发明 还提供了一种网络侧设备的实施例, 如图 5 所示, 该设备主要包括: 短消 息发送模块 10和检索响应模块 20。
其中, 短消息发送模块 10, 配置为在根据 MTC服务器的触发请求, 向终端发送携带触发消息的短消息时, 在所述短消息的 TPDU中的 TP-DA 参数处填写 EID中的 LID、 或者填写为所述终端配置的触发专用标识; 检索响应模块 20, 配置为在收到终端的触发响应时, 根据其中携带的 LID或触发专用标识检索终端对应的 EID, 并根据检索到的 EID响应 MTC 服务器的触发请求。
所述携带触发消息的短消息中还包括所述终端的 IMSI; 所述触发响应 中还携带终端的 IMSI。
检索响应模块 20还配置为,根据触发响应中的 IMSI,在网络侧设备的 本地数据库中查找以所述 IMSI为索引的 EID,在查找到的 EID中检索与所 述 LID对应的 EID。
短消息发送模块 10还配置为, 在 TP-DA参数处填写为所述终端配置 的触发专用标识时, 存储所述触发专用标识与 EID的一对一映射关系; 相应的, 所述检索响应模块 20还配置为, 根据触发响应中的 IMSI, 在 网络侧设备的本地数据库中查找以所述 IMSI 为索引的 EID, 在查找到的 EID中检索与所述触发专用标识对应的 EID。
较佳的该设备还包括: 配置模块 30, 配置为在网络侧设备的存储信息 中增加标识, 作为所述触发专用标识, 且所述触发专用标识的结构与终端 的 MSISDN相同。
作为本发明的一种较佳实施方式, 短消息发送模块 10 可以设置于 SMS-SC内部,检索响应模块 20和配置模块 30可以设置于 MTC-IWF内部。 当然, 本发明并非仅限于这一种实施方式, 可以根据实际需要进行扩展。
综上所述, 本发明实施例针对同一终端存在多个 EID的情况, 在终端 响应 MTC服务器并请求建立与 MTC服务器的连接时, 网络侧能够进行终 端外部标识的检索,并使用正确的终端外部标识响应 MTC R务器的终端触 发请求; 本发明在 TP-DA参数处直接填写终端的 LID或触发专用标识, 从 而避免将终端真实的 IMSI过多的暴露于网络中, 保证了终端的安全性。
以上所述, 仅为本发明的较佳实施例而已, 并非用于限定本发明的保 护范围。 工业实用性
本发明针对同一终端存在多个 EID的情况,在终端响应 MTC服务器并 请求建立与 MTC服务器的连接时, 网络侧能够进行终端外部标识的检索, 并使用正确的终端外部标识响应 MTC 服务器的终端触发请求; 本发明在 TP-DA参数处直接填写终端的 LID或触发专用标识, 从而避免将终端真实 的 IMSI过多的暴露于网络中, 保证了终端的安全性。

Claims

权利要求书
1、 一种终端多外部标识共存下的消息处理方法, 该方法包括: 网络侧设备根据机器类型通信 MTC服务器的触发请求, 向终端发送 携带触发消息的短消息时, 在所述短消息的传输协议数据单元 TPDU中 的目标地址 TP-DA参数处填写外部标识 EID中的本地标识 LID、 或者填 写为所述终端配置的触发专用标识;
所述网络侧设备在收到终端的触发响应时, 根据其中携带的 LID或 触发专用标识检索终端对应的 EID, 并根据检索到的 EID响应所述 MTC 服务器的触发请求。
2、 根据权利要求 1所述终端多外部标识共存下的消息处理方法, 其 中, 所述根据其中携带的 LID检索终端对应的 EID, 包括:
根据触发响应中携带的 IMSI, 在网络侧设备的本地数据库中查找以 所述 IMSI为索引的 EID,在查找到的 EID中检索与所述 LID对应的 EID。
3、 根据权利要求 1所述终端多外部标识共存下的消息处理方法, 其 中, 该方法还包括: 网络侧设备在 TP-DA参数处填写为所述终端配置的 触发专用标识时, 存储所述触发专用标识与 EID的一对一映射关系; 相应的, 所述根据其中携带的触发专用标识检索终端对应的 EID, 包 括:
根据触发响应中携带的 IMSI, 在网络侧设备的本地数据库中查找以 所述 IMSI为索引的 EID,在查找到的 EID中检索与所述触发专用标识对 应的 EID。
4、 根据权利要求 1、 2或 3所述终端多外部标识共存下的消息处理 方法, 其中, 该方法还包括:
通过在网络侧设备的存储信息中增加标识, 作为所述触发专用标识, 且所述触发专用标识的结构与终端的移动用户综合业务数字网号码 MSISDN相同。
5、 一种网络侧设备, 该设备包括:
短消息发送模块, 配置为在根据机器类型通信 MTC服务器的触发请 求, 向终端发送携带触发消息的短消息时, 在所述短消息的传输协议数 据单元 TPDU中的目标地址 TP-DA参数处填写外部标识 EID中的本地标 识 LID、 或者填写为所述终端配置的触发专用标识;
检索响应模块, 配置为在收到终端的触发响应时, 根据其中携带的 LID或触发专用标识检索终端对应的 EID, 并才艮据检索到的 EID响应所 述 MTC服务器的触发请求。
6、 根据权利要求 5所述网络侧设备, 其中, 所述检索响应模块还配 置为, 根据触发响应中携带的 IMSI, 在网络侧设备的本地数据库中查找 以所述 IMSI为索引的 EID, 在查找到的 EID中检索与所述 LID对应的 EID。
7、 根据权利要求 5所述网络侧设备, 其中, 所述短消息发送模块还 配置为, 在 TP-DA参数处填写为所述终端配置的触发专用标识时, 存储 所述触发专用标识与 EID的一对一映射关系;
相应的,所述检索响应模块还配置为,根据触发响应中携带的 IMSI, 在网络侧设备的本地数据库中查找以所述 IMSI为索引的 EID, 在查找到 的 EID中检索与所述触发专用标识对应的 EID。
8、根据权利要求 5、 6或 7所述网络侧设备, 其中, 该设备还包括: 配置模块, 配置为在网络侧设备的存储信息中增加标识, 作为所述触发 专用标识, 且所述触发专用标识的结构与终端的移动用户综合业务数字 网号码 MSISDN相同。
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