WO2007101389A1 - Procédé, système et dispositif pour localiser un terminal - Google Patents
Procédé, système et dispositif pour localiser un terminal Download PDFInfo
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- WO2007101389A1 WO2007101389A1 PCT/CN2007/000300 CN2007000300W WO2007101389A1 WO 2007101389 A1 WO2007101389 A1 WO 2007101389A1 CN 2007000300 W CN2007000300 W CN 2007000300W WO 2007101389 A1 WO2007101389 A1 WO 2007101389A1
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- positioning
- mobile terminal
- msisdn
- request message
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/16—Communication-related supplementary services, e.g. call-transfer or call-hold
Definitions
- the present invention claims the priority of the Chinese patent application filed on March 8, 2006 by the Chinese Patent Office, the application number is 200610057321.0, and the invention name is "a mobile terminal positioning method and system".
- the application also claims the priority of the Chinese patent application filed on April 26, 2006, the Chinese Patent Office, the application number is 200610075740.7, and the invention name is "a mobile terminal positioning method and system”.
- the citations are incorporated herein by reference.
- the invention relates to a mobile communication technology, in particular, a method for obtaining an originating positioning terminal identifier and a terminal positioning system and device thereof in a mobile location service based on a secure user plane.
- the International Standards Organization OMA Open Mobile Alliance, Open Mobile Alliance
- SUPL positioning platform SUPL Location Platform
- the mobile terminal In the case of terminal origination, the mobile terminal actively locates the platform to SUPL.
- SLP initiates a location request, and carries a unique identifier of the user in the request message reported to the positioning platform, and the positioning platform uses the identifier to perform operations such as charging and authentication.
- GSM Global System for Mobile Communications
- IMSI International Mobile Subscriber Identity
- the positioning platform is not easy to implement according to the MSI of the mobile terminal. User authentication and charging. For this reason, the existing positioning platforms use the mobile terminal International ISDN (Integrated Services Digital Network) number (MSISDN) instead of IMSI to provide SUPL services.
- MSISDN Integrated Services Digital Network
- the method for acquiring the MSISDN by the SUPL positioning platform is as follows Kind.
- One method is to determine the correspondence between the IMSI and the MSISDN of the mobile terminal by signaling the HLR (Home Location Register) or the VLR (Visitor Location Register) in real time, thereby obtaining its MSISDN according to the IMSI of the mobile terminal.
- HLR Home Location Register
- VLR Visitor Location Register
- the positioning platform usually does not require signaling function, so not all positioning platforms can access the HLR or VLR.
- Another method is that the user first opens an account on the location platform (SLP) before using the location service, and the SLP opens a management interface to the account management system (such as the business hall), through which the MSISDN of the mobile terminal provided by the account management system is obtained.
- the correspondence of IMSI is saved to the local database.
- the positioning platform can query the correspondence between the MSISDN and the IMSI through the interface, when the number of users opening the account is large, the positioning platform may need to save a large amount of data, thereby increasing the system burden; on the other hand, the premise of the method is that the user is First, applying for establishing an account on the positioning platform, the technical feature improves the complexity of the positioning service application, thereby limiting the development of the SUPL service.
- the embodiment of the invention provides a mobile terminal positioning method and system, so that the positioning platform server can quickly perform the positioning related operation according to the MSISDN number of the originating mobile terminal.
- a mobile terminal positioning method includes:
- the mobile network management subsystem acquires the correspondence between the MSISDN of the mobile terminal and its IP address;
- the mobile network management subsystem sends the correspondence between the MSISDN and its IP address to the positioning platform server;
- the positioning platform server saves the corresponding relationship, and performs a positioning operation on the mobile terminal and an authentication and/or charging operation of the positioning service according to the corresponding relationship.
- a mobile terminal positioning system includes:
- the mobile network management subsystem obtains the correspondence between the international ISDN number MSISDN of the mobile terminal and its IP address when establishing the packet channel, and sends the correspondence between the MSISDN and its IP address to the positioning platform server;
- the positioning platform server is configured to save the corresponding relationship, and perform a positioning operation on the mobile terminal and an authentication and/or charging operation of the positioning service according to the correspondence.
- a positioning platform server comprising:
- the MSISDN acquiring unit performs message interaction with the AAA server to obtain the mobile terminal MSISDN and the IP address in the service request message sent by the AAA server;
- a storage unit configured to store the mobile terminal MSISDN and an IP address
- a positioning message acquiring unit configured to acquire a positioning request message of the mobile terminal
- a positioning execution unit configured to receive the positioning in the positioning message acquiring unit After requesting the message, performing a positioning operation on the mobile terminal
- An authentication unit configured to: after the positioning message obtaining unit receives the positioning request message, search for an MSISDN corresponding to the IP address of the mobile terminal in the storage unit, and perform, on the mobile terminal, according to the MSISDN Authentication operation.
- the present invention fully utilizes the existing network resources, and uses the user information stored in the existing system database to search for the MSISDN number corresponding to the mobile terminal IMSI.
- the invention expands the function of the SUPL positioning platform (SLP), and the Radius Server (remote dialing user authentication server) supports the business operation flow (authentication or charging process) of the Radius protocol, thereby obtaining the mobile terminal positioning through the process/ The MSISDN number required for authentication/billing.
- SUPL positioning platform SLP
- Radius Server remote dialing user authentication server
- the present invention not only solves the problem that the SLP cannot obtain the originating mobile terminal MSISDN, but further realizes that the implementation of the present invention does not need to be changed on a large scale in the existing system, and thus is easier to implement; and the present invention
- the positioning platform server does not need to permanently store the terminal information, thereby reducing the system load.
- 1 is a schematic diagram of a first embodiment of a system according to the present invention and a message interaction in the process of implementing mobile terminal positioning
- 2 is a schematic diagram of a second embodiment of the system according to the present invention and a message interaction in the process of implementing mobile terminal positioning
- Figure 3 is a structural view of a third embodiment of the system of the present invention.
- Figure 4 is a structural view of a fourth embodiment of the system of the present invention.
- Figure 5 is a schematic block diagram of an embodiment of a positioning platform server in the system of the present invention.
- the positioning platform server is enabled by means of a third party, and after the positioning platform server receives the positioning request message carrying the mobile terminal IMSI number and the mobile terminal IP address, the IMSI and the MSISDN can be established. relationship.
- the mobile terminal positioning service can be implemented by using the IMSI number, and the authentication and charging of the positioning service can be realized by using the MSISDN number corresponding thereto.
- the IMSI number of the mobile terminal can be converted into an MSISDN number by using the correspondence between the IMSI and the MSISDN stored in the existing Radius Proxy database; and the positioning platform server acts as a Radius Server through the Radius Proxy (or Radius)
- the service request message forwarded by the client obtains the MSISDN of the originating mobile terminal, that is, the MSISDN number required for the positioning/authentication/accounting of the mobile terminal is obtained through the process, thereby implementing the identification of the originating mobile terminal. Rights/billing, and positioning operations for determining the terminal.
- the specific implementation manner of the present invention is described by taking the authentication process/charging process in the service request message flow as an example. However, the present invention does not exclude the means for implementing the present invention by using other service request message flows.
- the system structure shown in the figure includes a Radius client 11, a Radius proxy 12, and a Radius server 13, wherein the Radius client 11, the Radius proxy 12 constitutes A mobile network management subsystem as disclosed in the embodiments of the present invention.
- a mobile terminal that needs to request a location service first authenticates or bills through the mobile network management subsystem (the Radius client 11 and the Radius proxy 12) to the Radius server 13 before initiating a location request to the SLP.
- the Radius client is preferably a GGSN
- the Radius proxy is preferably an AAA server
- the SUPL Location Platform (SLP) functions as a Radius server for authentication or accounting.
- a mobile terminal requests its own positioning as an example to specifically describe a message flow based on the system shown in the figure.
- the mobile terminal first determines whether an available packet channel is available, and if not, the terminal initiates a packet channel setup request to the wireless network.
- the Radius client sends a service request message (specifically, an authentication request message or an accounting request message) to the Radius proxy based on the Radius protocol, where the message includes the IMSI number and IP of the originating mobile terminal. address.
- the authentication request message or the charging request message is a Radius protocol message, and is used for identity authentication or charging of the mobile terminal.
- the authentication request message may further include a user password; the charging request message.
- the medium may include: a charging status type, which is used to indicate the start of the service or the end of the service; the number of uplink bytes; the number of downlink bytes, and the like.
- the address of the Radius client, the identifier of the Radius client, the protocol type, and the like may be added to the authentication request message or the charging request message.
- the local database of the Radius proxy (for example, the AAA server) stores the correspondence between the IMSI and the MSISDN of all the mobile terminals, and configures the mapping relationship between the mobile terminal domain name and the Radius Server IP address to distinguish the authentication requests of the mobile terminals of different domain names.
- the charging request and the request message is correctly sent to the Radius server that provides the Radius control service for the domain name; after the Radius proxy obtains the authentication request message or the charging request message of the Radius client, according to the recorded information of the local database, The IMSI carried in the request message is converted into a corresponding MSISDN, and the authentication request message or the charging request message is forwarded to the corresponding Radius server according to the domain name carried in the request message, and the service request message (authentication request message) Or the charging request message) carries the IP address and MSISDN number of the mobile terminal.
- the SLP is implemented as a Radius control function of the Radius server, that is, the IP address of the Radius server is configured as an IP address of the SLP, and the Radius proxy sends an authentication request message or an accounting request message to the SLP according to the IP address (ie, Radius server) Perform mobile terminal authentication or billing.
- the Radius server that is, the SUPL positioning platform (SLP) server, after receiving the service request message (authentication request message or charging request message) sent by the Radius agent, saves the IP address and MSISDN of the mobile terminal carried in the request message. Correspondence relationship, and return the correct service response message (specifically, an authentication response message corresponding to the authentication request message, or an accounting response message corresponding to the charging request message).
- the authentication response message or the charging response message is a Radius protocol message.
- the billing response message may contain the agent status or/and the service provider's information, or may have no attributes.
- the Radius proxy forwards the authentication response message or the charging response message back to the Radius client.
- the mobile terminal After the packet channel is established, the mobile terminal sends a location request to the SUPL location server.
- the location request message is a self-location request message SUPL START, and the IMSI number of the terminal is carried in the message, and the corresponding service is performed.
- the information includes: location capability information of the mobile terminal (such as the positioning technology supported by the terminal, and corresponding positioning protocol, etc.), current cell location identifier, and the like.
- the message carries the IMSI number of the originating mobile terminal.
- the self-location request message includes an IMSI number, location capability information of the mobile terminal (such as a positioning technology supported by the terminal, and a corresponding positioning protocol, etc.), and a current cell location identifier.
- the Radius server finds the corresponding MSISDN number in the local database according to the source IP address of the received positioning message, and performs mobile terminal positioning and related operations, and the positioning related operations include authentication and charging operations, and the mobile terminal performs the operation on the mobile terminal.
- the specific operations of positioning, authentication and charging can be determined according to actual needs.
- the primary role of the SGSN is to record the current location information of the mobile station, and at the mobile station and the GGSN (Gateway GPRS Support)
- the transmission and reception of mobile packet data is completed between the nodes;
- the GGSN is connected to the SGSN through the GPRS backbone network based on the IP protocol, and is a gateway connecting the GSM network and the external packet switching network (such as the Internet and the local area network), and the GGSN can be in the GSM network.
- the GPRS packet data packets are protocol converted so that these packet data packets can be transmitted to a remote TCP/IP (Transmission Control Protocol/Internet Protocol) or X.25 network.
- TCP/IP Transmission Control Protocol/Internet Protocol
- X.25 X.25 network.
- Radius The client completes the operations related to steps 2) and 6) as the GGSN.
- the present invention does not exclude the implementation of the SGSN as a Radius client.
- the present invention utilizes the system resources under the existing network structure, that is, the solution provided by the present invention can still realize the function of quickly acquiring the MSISDN of the originating mobile terminal and performing the positioning related operation when the function of the network node changes.
- FIG. 2 is a schematic view showing the system structure of a second embodiment of the system of the present invention.
- the present invention implements the SLP to obtain the MSISDN number of the originating mobile terminal by extending the Radius client function.
- the correspondence between the IMSI and the MSISDN of the mobile terminal is stored in a network entity that is a Radius client, such as a GGSN.
- the present invention still does not exclude the implementation of the SGSN.
- the Radius proxy (such as the AAA server) is not required in the system structure, that is, the mobile network management subsystem in the embodiment is a Radius client (such as GGSN); After receiving the service request message of the mobile terminal, the Radius client directly converts the IMSI into an MSISDN number; and the SLP still completes the function of the Radius server.
- the system includes a Radius client 21 and a Radius server 22.
- the mobile terminal first determines whether an available packet channel is available, and if not, the terminal initiates a packet channel setup request to the wireless network. .
- the local database of the network entity where the Radius client is located stores the correspondence between the IMSI and the MSISDN of all the mobile terminals, and configures the mapping relationship between the mobile terminal domain name and the IP address of the Radius server, and receives the packet channel establishment request message of the mobile terminal. , convert the IMSI carried in the message to the corresponding MSISDN.
- the Radius client sends a service request message (such as an authentication request message or an accounting request message) to the Radius server based on the Radius protocol, and the IP address of the mobile terminal and its MSISDN number are carried to the Radius server.
- the authentication request message and the charging request message are Radius protocol messages; and, the address of the Radius server is configured as the IP address of the SLP.
- the Radius server receives the authentication request message or charging request After the message, the correspondence between the IP address of the mobile terminal carried in the message and the MSISDN is saved, and a correct service response message (such as an authentication response message or an accounting response message) is returned.
- the mobile terminal After the packet channel is established, the mobile terminal sends a location request to the SUPL location server.
- the location request message is a self-location request message SUPL START, and the request message carries the IMSI number of the terminal, and corresponding service information.
- the information includes: location capability information of the mobile terminal (such as the positioning technology supported by the terminal, and corresponding positioning protocol, etc.), current cell location identifier, and the like.
- the message carries the IMSI number of the originating mobile terminal, and the SLP obtains the IP address of the originating mobile terminal in the message message header.
- the self-location request message includes information such as an IMSI number, location capability information of the mobile terminal (such as a positioning technology supported by the terminal, and a corresponding positioning protocol, etc.), a current cell location identifier, and the like.
- the Radius server finds the corresponding MSISDN number in the local database according to the IP address, and performs mobile terminal positioning and related operations.
- the positioning related operations include authentication and charging operations, and the mobile terminal is located, authenticated, and charged.
- the specific operation can be determined according to actual needs.
- the mobile terminal requests its own positioning operation.
- the present invention can further implement the positioning operation of the originating positioning terminal request to other mobile terminals. The difference between it and the implementation of the mobile terminal requesting self-positioning is:
- the location request message sent by the originating mobile terminal to the mobile network management subsystem includes an IMSI of the originating mobile terminal, and an identifier of the target terminal (the terminal that is requested to be located), and may further include a positioning quality, and the positioning type may be
- the parameters can be selected by a person skilled in the art according to the specific needs of the business.
- the mobile network management subsystem obtains the authentication response message or the charging response message of the positioning platform server; redirects the positioning request message of the originating mobile terminal to the positioning platform server, and the positioning platform server finds the originating according to the saved record
- the MSISDN corresponding to the IP address of the mobile terminal is located, and the authentication/accounting operation is performed on the originating mobile terminal; the positioning platform server performs the positioning operation on the terminal according to the identifier of the target mobile terminal carried in the positioning request message.
- the target mobile terminal identifier is: IMSI or MSISDN Wait.
- a structural diagram of a third embodiment of the mobile terminal positioning system of the present invention includes: a gateway GPRS support node GGSN31, an AAA server 32, and a location platform server 33.
- the gateway GPRS support node GGSN 31 and the AAA server 32 constitute a mobile network management subsystem in the embodiment of the present invention.
- the GGSN is configured to obtain and forward a packet channel setup request message including the mobile terminal IMSI and the IP address to the AAA server, where the AAA server is configured to search for the MSISDN corresponding to the mobile terminal IMSI, and send the mobile terminal MSISDN and the IP address to the positioning platform server.
- Business request message is configured to obtain and forward a packet channel setup request message including the mobile terminal IMSI and the IP address to the AAA server, where the AAA server is configured to search for the MSISDN corresponding to the mobile terminal IMSI, and send the mobile terminal MSISDN and the IP address to the positioning platform server.
- the GGSN 31 obtains a packet channel setup request message of the mobile terminal, and sends an authentication request message or an accounting request message including the IMSI and the IP address of the mobile terminal to the AAA server; and after obtaining the authentication response message or the charging response message forwarded by the AAA server, Sending a mobile terminal IP address and a positioning request message including the IMSI to the positioning platform server; the AAA server 32 searches for the MSISDN corresponding to the mobile terminal IMSI, and sends an authentication request message or a charging request message including the mobile terminal MSISDN and the IP address to the positioning platform server; And forwarding the authentication response message or the charging response message of the positioning platform server to the GGSN.
- the positioning platform server 33 is configured to save the correspondence between the MSISDN and the IP address in the authentication request message or the charging request message, and feed back the authentication response message or the charging response message; and perform a positioning operation. Specifically, the positioning platform server searches for an MSISDN corresponding to the IP address of the mobile terminal, and performs positioning, authentication, and/or accounting operations on the mobile terminal.
- a structural diagram of a fourth embodiment of the mobile terminal positioning system of the present invention includes: a gateway GPRS support node GGSN 41 and a positioning platform server 43.
- the gateway GPRS support node GGSN41 obtains the location request message sent by the mobile terminal, searches for the MSISDN number corresponding to the IMSI number of the mobile terminal in the location request message, and sends an authentication request message including the MSISDN and the IP address to the positioning platform server or And charging the request message; and, after obtaining the authentication response message or the charging response message of the positioning platform server, sending the mobile terminal IP address and the positioning request message including the IMSI to the positioning platform server;
- the positioning platform server 43 is configured to save the correspondence between the mobile terminal MSISDN and the IP address in the authentication request message or the charging request message, and feed back the authentication response message or the charging response message; and perform a positioning operation.
- the authentication request message, the authentication response message, the charging request message, and the charging response message described in the system of the present invention are the remote user dialing
- FIG. 5 there is shown a block diagram of a preferred embodiment of a positioning platform server of the present invention:
- the positioning platform server includes: an MSISDN acquiring unit 51, a storage unit 52, a positioning message acquiring unit 54, a positioning executing unit 53, and an authentication unit 55.
- the MSISDN acquiring unit performs a message exchange with the AAA server to obtain the mobile terminal MSISDN and the IP address in the service request message sent by the AAA server;
- the storage unit is configured to store the mobile terminal MSISDN and the IP address;
- the positioning message acquiring unit is configured to obtain a positioning request message of the mobile terminal;
- the positioning execution unit is configured to perform a positioning operation on the mobile terminal after the positioning message acquiring unit receives the positioning request message; and the authentication unit is configured to receive the positioning message acquiring unit
- the MSISDN corresponding to the IP address of the mobile terminal in the storage unit is searched, and the mobile terminal is authenticated according to the MSISDN.
- the charging unit 56 may be configured in the positioning platform server for charging the positioning service according to the MSISDN corresponding to the IP address of the mobile terminal in the storage unit during the positioning operation performed by the positioning execution unit.
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Description
一种移动终端定位方法、 系统及设备 本申请要求于 2006 年 3 月 8 日提交中国专利局、 申请号为 200610057321.0, 发明名称为 "一种移动终端定位方法及系统"的中 国专利申请的优先权, 同时, 本申请还要求于 2006年 4月 26日提交 中国专利局、 申请号为 200610075740.7、 发明名称为 "一种移动终端 定位方法及系统"的中国专利申请的优先权, 要求其全部内容通过引 用结合在本申请中。
技术领域
本发明涉及移动通信技术,尤其是基于安全的用户平面的移动位 置业务中,定位服务器获取始发定位终端标识的方法及其终端定位系 统、 设备。
背景技术
对于基于安全的用户平面的移动位置(SUPL, Secure User Plane Location ) 业务, 国际标准组织 OMA ( Open Mobile Alliance, ,开放 移动联盟)订出了一套 SUPL协议, 对该业务进行了全面的规范。 其 中在终端始发的情况下某目标终端可以主动向 SUPL定位平台( SLP, SUPL Location Platform )发起定位请求, 并通过后续的 SUPL定位过 程获取到自身或其他移动终端的准确位置信息。
在终端始发定位的情况下, 移动终端主动向 SUPL 定位平台
( SLP )发起定位请求, 并且在上报给定位平台的请求消息中携带自 身的唯一标识, 所述定位平台会利用该标识进行计费、 鉴权等操作。 基于目前的 GSM (全球移动通信系统) 系统特点, 所述移动终端上 报给定位平台的唯一标识为国际移动用户识别码( IMSI, International Mobile Subscriber Identity ), 然而定位平台依据移动终端的 MSI不易 实现对用户的鉴权和计费, 基于该原因, 现有定位平台均采用移动终 端国际 ISDN (综合业务数字网)号码( MSISDN )取代 IMSI以提供 SUPL业务。
现有技术中, SUPL定位平台可以获取 MSISDN的方法为以下两
种。
一种方法是通过实时向 HLR (归属位置寄存器)或者 VLR (拜 访位置寄存器)发信令查询确定移动终端的 IMSI与 MSISDN的对应 关系, 从而依据移动终端的 IMSI获取其 MSISDN。 但是, 现有网络 中并非所有 HLR或 VLR均提供接口支持定位平台的查询操作;另一 方面, 通常情况下定位平台不要求具有信令功能, 因此并不是所有的 定位平台都可以到 HLR或者 VLR去查询确定移动终端的 MSISDN。 由上述可知, 该方法在实现过程中将遇到现有系统的诸多限制, 因而 实用性不强。
另一种方法是用户在使用位置业务前首先在定位平台 (SLP ) 开 户, SLP向账户管理系统(如营业厅)开放一个管理接口, 通过该接 口获取账户管理系统所提供的移动终端的 MSISDN与 IMSI的对应关 系, 并保存到本地数据库。
虽然定位平台通过所述接口可以查询到 MSISDN与 IMSI的对应 关系,然而, 当用户开户数较多时,定位平台可能需要保存海量数据, 增加了系统负担; 另一方面, 本方法实现的前提是用户首先在定位平 台上申请建立账户, 该技术特征提高了定位业务应用的复杂度,从而 限制了 SUPL业务的开展。
发明内容
本发明实施例提供了一种移动终端定位方法及系统,使定位平台 服务器能够快捷的依据始发定位移动终端 MSISDN号码实现定位相 关操作。
一种移动终端定位方法, 包括:
在建立分组通道时移动网管理子系统获取移动终端的 MSISDN 和其 IP地址的对应关系;
移动网管理子系统将所述 MSISDN和其 IP地址的对应关系发送 给定位平台服务器;
定位平台服务器保存所述对应关系,并根据所述对应关系对所述 移动终端进行定位操作及该定位业务的鉴权和 /或计费操作。
一种移动终端定位系统, 包括:
移动网管理子系统, 在建立分组通道时获取移动终端的国际 ISDN号码 MSISDN和其 IP地址的对应关系, 并将所述 MSISDN和 其 IP地址的对应关系发送给定位平台服务器;
定位平台服务器, 用于保存所述对应关系, 并根据所述对应关系 对所述移动终端进行定位操作及该定位业务的鉴权和 /或计费操作。
一种定位平台服务器, 包括:
MSISDN获取单元, 与 AAA服务器进行消息交互, 获取 AAA 服务器发送的业务请求消息中的移动终端 MSISDN和 IP地址;
存储单元, 用于存储所述移动终端 MSISDN和 IP地址; 定位消息获取单元, 用于获取所述移动终端的定位请求消息; 定位执行单元,用于在所述定位消息获取单元收到所述定位请求 消息后 , 对所述移动终端进行定位操作;
鉴权单元,用于在所述定位消息获取单元收到所述定位请求消息 后, 查找所述存储单元中所述移动终端 IP地址所对应的 MSISDN, 并根据所述 MSISDN对所述移动终端进行鉴权操作。
由以上本发明实施例提供的技术方案可以看出,本发明充分利用 了现有的网络资源,利用现有系统数据库中保存的用户信息查找确定 移动终端 IMSI所对应的 MSISDN号码; 另一方面, 本发明扩充了 SUPL定位平台 (SLP ) 的功能, 作为 Radius Server (远程拨号用户 鉴权服务器 )支持 Radius协议的业务操作流程 (认证或者计费流程 ), 从而通过所述流程获取到移动终端定位 /鉴权 /计费所需的 MSISDN号 码。 本发明不仅解决了 SLP无法获取始发定位移动终端 MSISDN的 问题, 进一步与现有技术相比, 本发明的实现不需对现有系统进行大 规模的变更, 因而更易于实现;并且,本发明中利用现有系统数据库, 定位平台服务器不需永久保存终端信息, 因而降低了系统负荷。
附图说明
图 1 为本发明系统第一实施例及其实现移动终端定位过程中消 息交互示意图;
图 2 为本发明系统第二实施例及其实现移动终端定位过程中消 息交互示意图;
图 3为本发明系统第三实施例结构图;
图 4为本发明系统第四实施例结构图;
图 5是本发明系统中定位平台服务器实施例的原理框图。
具体实施方式
本发明在移动终端定位流程中,借助于第三方使定位平台服务器 样,在定位平台服务器收到携带移动终端 IMSI号码和移动终端 IP地 址的定位请求消息后, 就可以建立起 IMSI与 MSISDN的对应关系。 这样, 就可以利用 IMSI号码实现移动终端定位业务的同时, 利用与 其对应的 MSISDN号码实现对该定位业务的鉴权和计费。 特别地, 可以利用现有 Radius Proxy (代理)数据库中保存的 IMSI与 MSISDN 的对应关系, 将移动终端的 IMSI号码转换为 MSISDN号码; 而定位 平台服务器作为 Radius Server的角色,通过 Radius Proxy(或者 Radius Client )转发来的业务请求消息获取到始发定位移动终端的 MSISDN, 即通过所述流程获取到移动终端定位 /鉴权 /计费所需的 MSISDN号 码, 进而实现对始发定位移动终端的鉴权 /计费, 以及对确定终端的 定位操作。 下文实施例中以业务请求消息流程中的认证流程 /计费流 程为例说明本发明的具体实现方式 ,然而本发明不排除采用其他业务 请求消息流程实现本发明的手段。
以下结合具体实施例对本发明实现方式进行详细说明。
图 1所示为本发明系统的第一实施例中消息交互示意图: 该图所示的系统结构中包括 Radius客户端 11 , Radius代理 12以及 Radius服务器 13 , 其中 Radius客户端 11, Radius代理 12构成本发明实 施例所迷的移动网管理子系统。如图所示, 一个需要请求定位服务的 移动终端在向 SLP发起定位请求前,先通过移动网管理子系统( Radius 客户端 11和 Radius代理 12 )到 Radius服务器 13进行认证或者计费。 其 中, 所迷 Radius客户端优选 GGSN, Radius代理优选 AAA服务器, 而
所述 SUPL定位平台(SLP )作为 Radius服务器完成认证或者计费的功 能。
参照图 1 , 以某移动终端请求自身定位为例具体说明基于如图所 示系统的消息流程。
1 )移动终端首先判断是否已有可用的分组通道, 如果没有的话, 终端向无线网络发起分组通道建立请求。
2 )在分组通道建立过程中, Radius客户端基于 Radius协议向 Radius代理发送业务请求消息(具体为认证请求消息或者计费请求 消息), 所述消息中包含始发定位移动终端的 IMSI号码和 IP地址。 所述认证请求消息或者计费请求消息为 Radius协议消息, 用于该移 动终端的身份认证或者计费, 除所述 IP地址与 IMSI号码,认证请求 消息中还可以包括用户密码;计费请求消息中可包含:计费状态类型, 用于表示服务开始或者服务结束; 上行字节数; 下行字节数等。 进一 步, 还可在认证请求消息或者计费请求消息中加入 Radius客户端的 地址、 Radius客户端的标识, 协议类型等信息。
3 ) Radius代理(例如 AAA服务器) 的本地数据库中保存所有 开户移动终端的 IMSI与 MSISDN的对应关系, 并且配置移动终端域 名与 Radius Server的 IP地址对应关系, 以区分不同域名的移动终端 的认证请求或者计费请求,并将所述请求消息正确发送到为该域名提 供 Raduis控制服务的 Radius服务器; Radius代理获取 Radius客户端 的认证请求消息或者计费请求消息后, 依据本地数据库的记载信息, 将所述请求消息中携带的 IMSI转换为相应的 MSISDN, 进而根据该 请求消息中所携带的域名将这个认证请求消息或者计费请求消息转 发到相应的 Radius月 务器, 该业务请求消息 (认证请求消息或计费 请求消息) 中携带移动终端的 IP地址和 MSISDN号码。 在本发明实 施例中 ,将 SLP作为 Radius服务器实现 Raduis控制功能,即将 Radius 服务器的 IP地址配置为 SLP的 IP地址, Radius代理依据该 IP地址 将认证请求消息或者计费请求消息发送到 SLP (即 Radius服务器) 进行移动终端认证或者计费。
4 )所述 Radius服务器, 即 SUPL定位平台 ( SLP )服务器收到 Radius代理发送的业务请求消息(认证请求消息或者计费请求消息) 后, 保存该请求消息中携带的移动终端的 IP地址与 MSISDN的对应 关系, 并返回正确的业务响应消息(具体为对应于认证请求消息的认 证响应消息, 或者为对应于计费请求消息的计费响应消息)。 所述认 证响应消息或者计费响应消息为 Radius协议消息。 计费响应消息中 可以包含代理状态或 /和服务提供商的信息, 也可以没有任何属性。
5 ) Radius代理将认证响应消息或者计费响应消息转发回 Radius 客户端。
6 ) 当分组通道建立好以后, 移动终端向 SUPL定位服务器发送 定位请求, 本实施例中该定位请求消息为自定位请求消息 SUPL START,倩求消息中携带该终端的 IMSI号码, 以及相应的业务信息, 包括: 移动终端的定位能力信息(如该终端所支持的定位技术, 以及 相应的定位协议等), 当前小区位置标识等信息。 消息中会携带始发 定位移动终端的 IMSI号码。 如上所述, 所述自定位请求消息中包含 IMSI号码、 移动终端的定位能力信息(如该终端所支持的定位技术, 以及相应的定位协议等)、 当前小区位置标识等信息。 Radius服务器 根据收到定位消息的源端 IP 地址在本地数据库中找到对应的 MSISDN号码, 并进行移动终端定位及其相关操作, 所述定位相关操 作包括鉴权、 计费操作, 对该移动终端进行定位、 鉴权和计费的具体 操作可根据实际需要来确定。
如本领域技术人员所知, 在现有 GPRS (通用分组无线业务) 系 统中, SGSN (服务 GPRS支持节点) 的主要作用是记录移动台的当 前位置信息, 并且在移动台和 GGSN (网关 GPRS支持节点 )之间完 成移动分组数据的发送和接收; GGSN通过基于 IP协议的 GPRS骨 干网连接到 SGSN, 是连接 GSM网絡和外部分组交换网 (如因特网 和局域网) 的网关, GGSN可以把 GSM网中的 GPRS分组数据包进 行协议转换, 从而可以把这些分组数据包传送到远端的 TCP/IP (传 输控制协议 /因特网协议)或 X.25 网络。 在上述实施例中, Radius
客户端作为 GGSN完成了步骤 2 )和步骤 6 ) 的相关操作。 本发明并 不排除 SGSN作为 Radius客户端的实现方式。
本发明利用现有网络结构下的系统资源, 即本发明所提供的方 案在网络节点功能发生变化时依然可实现快捷的获取始发定位移动 终端 MSISDN并进行定位相关操作的功能。
图 2 所示为本发明系统第二实施例系统结构示意图。 在第二实 施例中, 本发明将通过扩展 Radius客户端功能的方法, 实现 SLP获 取始发定位移动终端的 MSISDN号码。 具体地, 移动终端的 IMSI与 MSISDN的对应关系保存在作为 Radius客户端的网络实体上, 例如 GGSN, 此处本发明依然不排除采用 SGSN的实现方式。 基于 Radius 客户端的功能扩充, 与上文所述的第一实施例相比, 系统结构中无需 Radius代理(如 AAA服务器), 即本实施例中所述移动网管理子系 统为 Radius客户端(如 GGSN ); 则 Radius客户端收到移动终端的业 务请求消息后,直接将 IMSI转换为 MSISDN号码; 而 SLP仍然完成 Radius服务器的功能。 具体地, 参照图 2, 该系统中包括 Radius客户 端 21以及 Radius服务器 22。
进一步参照图 2说明该系统实施例下的信令流程。
1 )移动终端首先判断是否已有可用的分组通道,如果没有的话, 终端向无线网络发起分组通道建立请求。。
2 ) Radius客户端所在网络实体的本地数据库中保存所有开户移 动终端的 IMSI与 MSISDN的对应关系, 并且配置移动终端域名与 Radius服务器的 IP地址对应关系 , 收到移动终端的分组通道建立请 求消息后, 将消息中携带的 IMSI转换为相应的 MSISDN。 在分组通 道建立过程中, Radius客户端基于 Radius协议向 Radius服务器发送 业务请求消息 (比如认证请求消息或者计费请求消息), 消息中将移 动终端的 IP地址与其 MSISDN号码携带给 Radius服务器。与本发明 第一实施例相同, 所述认证请求消息和计费请求消息为 Radius协议 消息; 并且, Radius服务器的地址被配置成 SLP的 IP地址。
3 ) Radius服务器(SLP )收到所述认证请求消息或者计费请求
消息后, 保存消息中携带的移动终端的 IP地址与 MSISDN的对应关 系, 并返回正确的业务响应消息(比如认证响应消息或者计费响应消 息)。
4 ) 当分组通道建立好以后, 移动终端向 SUPL定位服务器发送 定位请求 , 本实施例中该定位请求消息为自定位请求消息 SUPL START,请求消息中携带该终端的 IMSI号码, 以及相应的业务信息, 包括: 移动终端的定位能力信息(如该终端所支持的定位技术, 以及 相应的定位协议等), 当前小区位置标识等信息。 消息中会携带始发 定位移动终端的 IMSI号码, 并且 SLP获取所述消息报文报头中的始 发定位移动终端 IP地址。如上所述,所述自定位请求消息中包含 IMSI 号码、 移动终端的定位能力信息(如该终端所支持的定位技术, 以及 相应的定位协议等)、 当前小区位置标识等信息。 Radius服务器根据 IP地址在本地数据库中找到对应的 MSISDN号码, 并进行移动终端 定位及其相关操作, 所述定位相关操作包括鉴权、 计费操作, 对该移 动终端进行定位、 鉴权和计费的具体操作可根据实际需要来确定。
上文提供了本发明的两个具体实施例, 其共同特点是移动终端 请求自身的定位操作。 然而, 本发明还可进一步实现始发定位终端请 求对其他移动终端的定位操作。其与移动终端请求自定位的实现方式 的区別在于:
1 )始发定位移动终端发送到移动网管理子系统的定位请求消息 中包括始发定位移动终端的 IMSI, 以及目标终端 (被请求定位的终 端)标识, 以及还可包括定位质量, 定位类型可选参数, 本领域技术 人员可依据业务具体需求进行设定。
2 )移动网管理子系统获取定位平台服务器的认证响应消息或者 计费响应消息后;重定向始发定位移动终端的定位请求消息到定位平 台服务器,则定位平台服务器依据保存的记录查找到始发定位移动终 端 IP地址对应的 MSISDN, 并对始发定位移动终端进行鉴权 /计费操 作;定位平台服务器依据定位请求消息中携带的目标移动终端的标识 对该终端进行定位操作。所述目标移动终端标识为: IMSI或 MSISDN
等。
参照图 3 所示本发明移动终端定位系统第三实施例的结构图, 包括: 网关 GPRS支持节点 GGSN31、 AAA服务器 32、 定位平台服 务器 33。 网关 GPRS支持节点 GGSN31和 AAA服务器 32构成了本 发明实施例中的移动网管理子系统。其中, GGSN用于获取并向 AAA 服务器转发包含移动终端 IMSI和 IP地址的分组通道建立请求消息, AAA服务器用于查找移动终端 IMSI对应的 MSISDN,向定位平台服 务器发送包含移动终端 MSISDN和 IP地址的业务请求消息。 比如, GGSN31获取移动终端的分组通道建立请求消息, 向 AAA服务器发 送包含移动终端 IMSI和 IP地址的认证请求消息或者计费请求消息; 以及, 获取 AAA服务器转发的认证响应消息或者计费响应消息后发 送移动终端 IP地址和包含 IMSI的定位请求消息到定位平台服务器; AAA服务器 32查找移动终端 IMSI对应的 MSISDN, 向定位平台服 务器发送包含移动终端 MSISDN和 IP地址的认证请求消息或者计费 请求消息; 以及, 将定位平台服务器的认证响应消息或者计费响应消 息转发到 GGSN。
定位平台服务器 33, 用于保存认证请求消息或者计费请求消息 中 MSISDN和 IP地址对应关系, 反馈认证响应消息或者计费响应消 息; 以及, 执行定位操作。 具体地, 定位平台服务器查找移动终端 IP 地址所对应的 MSISDN, 并对所述移动终端进行定位、 鉴权和 /或计 费操作。
参照图 4所示本发明移动终端定位系统第四实施例的结构图, 包括: 网关 GPRS支持节点 GGSN41、 定位平台服务器 43。 其中, 网关 GPRS支持节点 GGSN41 , 获取移动终端发送的定位请求 消息, 查找所述定位请求消息中移动终端 IMSI号码对应的 MSISDN 号码, 向定位平台服务器发送包括所述 MSISDN和 IP地址的认证渚 求消息或者计费请求消息; 以及, 获定位平台服务器的认证响应消息 或者计费响应消息后发送移动终端 IP地址和包含 IMSI的定位请求消 息到定位平台服务器;
定位平台服务器 43, 用于保存认证请求消息或者计费请求消息 中移动终端 MSISDN和 IP地址对应关系, 并反馈认证响应消息或者 计费响应消息; 以及, 执行定位操作。 本发明系统中所述的认证请求 消息、认证响应消息、计费请求消息和计费响应消息为远端用户拨入 鉴权服务 Radius协议消息。
参照图 5, 图 5示出了本发明定位平台服务器优选实施例的原理 框图:
在该实施例中, 定位平台服务器包括: MSISDN获取单元 51、 存储单元 52、定位消息获取单元 54、定位执行单元 53、鉴权单元 55。 其中, MSISDN获取单元与 AAA服务器进行消息交互, 获取 AAA 服务器发送的业务请求消息中的移动终端 MSISDN和 IP地址; 存储 单元用于存储所述移动终端 MSISDN和 IP地址; 定位消息获取单元 用于获取移动终端的定位请求消息;定位执行单元用于在所述定位消 息获取单元收到所述定位请求消息后, 对所述移动终端进行定位操 作; 鉴权单元用于在所述定位消息获取单元收到所述定位请求消息 后, 查找所述存储单元中该移动终端 IP地址所对应的 MSISDN, 并 才艮据所述 MSISDN对该移动终端进行鉴权操作。
另外, 还可以在该定位平台服务器中设置计费单元 56, 用于在 定位执行单元执行定位操作过程中, 根据存储单元中移动终端 IP地 址所对应的 MSISDN对该定位业务进行计费。
以上对本发明所提供的一种移动终端定位方法及系统进行了详 述, 以上实施例的说明只是用于帮助理解本发明的方法及其核心思 想; 同时, 对于本领域的一般技术人员, 依据本发明的思想, 在具体 实施方式及应用范围上均会有改变之处, 综上所述, 本说明书内容不 应理解为对本发明的限制。
Claims
1、 一种移动终端定位方法, 其特征在于:
在建立分组通道时移动网管理子系统获取移动终端的 MSISDN 和其 IP地址的对应关系;
移动网管理子系统将所述 MSISDN和其 IP地址的对应关系发送 给定位平台服务器;
定位平台服务器保存所述对应关系,并^ =艮据所述对应关系对所述 移动终端进行定位操作及该定位业务的鉴权和 /或计费操作。
2、 如权利要求 1所述的移动终端定位方法, 其特征在于: 移动网管理子系统通过包含所述移动终端 IP地址的业务请求消 息将所述对应关系发送给定位平台服务器。
3、 如权利要求 2所述的移动终端定位方法, 其特征在于: 所述 业务请求消息为远端用户拨入鉴权服务 Radius协议消息。
4、 如权利要求 3所述的移动终端定位方法, 其特征在于: 所述 业务请求消息为认证请求消息或者为计费请求消息。
5、 如权利要求 1 所述的移动终端定位方法, 其特征在于, 所述 定位平台服务器根据所述对应关系对所述移动终端进行定位操作及 该定位业务的鉴权和 /或计费操作的步骤包括:
所述定位平台 良务器收到所述移动终端的定位请求消息后,根据 所述对应关系查找所述移动终端的 IP地址所对应的 MSISDN;
根据所述 MSISDN对所述移动终端进行定位操作及该定位业务 的鉴权和 /或计费操作。
6、 如权利要求 1至 5任一项所述的移动终端定位方法, 其特征 在于:
所述移动网管理子系统为 GPRS网关支持节点 GGSN。
7、 如权利要求 1至 5任一项所述的移动终端定位方法, 其特征 在于:
所述移动网管理子系统包括 GPRS网关支持节点 GGSN和 AAA 服务器。
8、 一种移动终端定位系统, 其特征在于, 包括: 移动网管理子系统,在建立分组通道时获取移动终端的 MSISDN 和其 IP地址的对应关系,并将所述 MSISDN和其 IP地址的对应关系 发送给定位平台服务器;
定位平台服务器, 用于保存所述对应关系, 并才艮据所述对应关系 对所述移动终端进行定位操作及该定位业务的鉴权和 /或计费操作。
9、 如权利要求 8所述的移动终端定位系统, 其特征在于, 所述 移动网管理子系统包括:
网关 GPRS支持节点 GGSN, 用于向 AAA服务器发送包含所述 移动终端 IMSI的业务请求消息;
AAA万艮务器, 用于查找所述移动终端 IMSI对应的 MSISDN, 并 向定位平台月艮务器发送包含所述移动终端 MSISDN和其 IP地址的业 务请求消息。
10、 如权利要求 8所述的移动终端定位系统, 其特征在于, 所述 移动网管理子系统具体为: 网关 GPRS支持节点 GGSN。
11、 如权利要求 10所述的移动终端定位系统, 其特征在于, 所述网关 GPRS 支持节点 GGSN 通过业务请求消息将所述 MSISDN和其 IP地址的对应关系发送给定位平台服务器。
12、 如权利要求 8所述的移动终端定位系统, 其特征在于, 所 述定位平台月艮务器包括:
MSISDN获取单元, 与 AAA服务器进行消息交互, 获取 AAA 服务器发送的业务请求消息中的移动终端 MSISDN和 IP地址;
存储单元, 用于存储所述移动终端 MSISDN和 IP地址; 定位消息获取单元, 用于获取所述移动终端的定位请求消息; 定位执行单元,用于在所述定位消息获取单元收到所述定位请求 消息后, 对所述移动终端进行定位操作;
鉴权单元,用于在所述定位消息获取单元收到所述定位请求消息 后, 查找所述存储单元中所述移动终端 IP地址所对应的 MSISDN, 并根据所述 MSISDN对所述移动终端进行鉴权操作。
13、 如权利要求 12所述的移动终端定位系统, 其特征在于, 所 述定位平台服务器还包括:
计费单元, 用于在所述定位执行单元执行定位操作过程中,根据 所述存储单元中所述移动终端 IP地址所对应的 MSISDN对该定位业 务进行计费。
14、 如权利要求 9或 11所述的移动终端定位系统, 其特征在于: 所述业务请求消息为认证请求消息或者为计费请求消息。
15、一种定位平台服务器,其特征在于,根据移动终端的 MSISDN 和其 IP地址的对应关系对所述移动终端进行定位操作及该定位业务 的鉴权和 /或计费操作, 包括:
MSISDN获取单元, 与 AAA服务器进行消息交互, 获取 AAA 服务器发送的业务请求消息中的移动终端 MSISDN和 IP地址;
存储单元, 用于存储所述移动终端 MSISDN和 IP地址; 定位消息获取单元, 用于获取所述移动终端的定位请求消息; 定位执行单元,用于在所述定位消息获取单元收到所述定位请求 消息后, 对所述移动终端进行定位操作;
鉴权单元,用于在所述定位消息获取单元收到所述定位请求消息 后, 查找所述存储单元中所述移动终端 IP地址所对应的 MSISDN, 并根据所述 MSISDN对所述移动终端进行鉴权操作。
16、 如权利要求 15所述的定位平台服务器, 其特征在于, 还包 括:
计费单元, 用于在所述定位执行单元执行定位操作过程中, 根据 所述存储单元中所述移动终端 IP地址所对应的 MSISDN对该定位业 务进行计费。
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CNB2006100757407A CN100455135C (zh) | 2006-03-08 | 2006-04-26 | 一种移动终端定位方法及系统 |
CN200610075740.7 | 2006-04-26 |
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CN104864888A (zh) * | 2015-05-12 | 2015-08-26 | 北京红旗胜利科技发展有限责任公司 | 一种导航设备位置修正的方法和装置 |
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CN101106551B (zh) * | 2007-06-15 | 2011-02-02 | 华为技术有限公司 | 传递用户号码的方法及设备 |
CN101247240A (zh) * | 2008-03-17 | 2008-08-20 | 华为技术有限公司 | 通信费用计算方法、系统及装置 |
CN101621742B (zh) * | 2009-08-13 | 2013-02-13 | 中国电信股份有限公司 | 移动终端位置的查询方法及其平台 |
CN102469443A (zh) * | 2010-11-12 | 2012-05-23 | 卓望数码技术(深圳)有限公司 | 基于imsi进行数据通讯交互的方法、系统及移动终端 |
CN102572002B (zh) * | 2010-12-08 | 2015-11-25 | 中国电信股份有限公司 | 动态域名更新方法与系统 |
CN103547333B (zh) * | 2013-03-26 | 2016-07-06 | 华为技术有限公司 | 一种广告推送方法、设备和系统 |
CN107517456A (zh) * | 2016-06-16 | 2017-12-26 | 中国电信股份有限公司 | 基于WiFi实现定位应用的方法、用户终端和系统 |
WO2021217377A1 (zh) * | 2020-04-27 | 2021-11-04 | 华为技术有限公司 | 基于mec的定位方法、设备及无线通信系统 |
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CN1502199A (zh) * | 2001-03-09 | 2004-06-02 | ����ɭ�绰�ɷ�����˾ | 在业务网内映射ip地址到msisdn号码的方法和设备 |
EP1271987A2 (en) * | 2001-06-25 | 2003-01-02 | Sonera Oyj | A name server for positioning objects |
WO2005029752A2 (en) * | 2003-09-15 | 2005-03-31 | At & T Wireless Services, Inc. | Terminal device ip address authentication |
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CN104864888A (zh) * | 2015-05-12 | 2015-08-26 | 北京红旗胜利科技发展有限责任公司 | 一种导航设备位置修正的方法和装置 |
CN104864888B (zh) * | 2015-05-12 | 2018-01-02 | 北京红旗胜利科技发展有限责任公司 | 一种导航设备位置修正的方法和装置 |
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