CN101305631B - Gateway mobile locating center and implementing method - Google Patents
Gateway mobile locating center and implementing method Download PDFInfo
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Abstract
A Gateway mobile location center includes access module, control module and service layer module which connect in turn, wherein service layer module comprises multiple signaling gateway modules corresponding to different mobile networks; control module routes location request to one or more of the multiple signaling gateway modules according to mobile network type of located user; location results returned by the multiple signaling gateway modules to control module have a uniform format. The present invention can accommodate a variety of different interfaces of mobile communication networks, support the function of locating the users in different networks at the same time, support smoothing evolution of network system protocol version; meanwhile, accommodate different location architectures, and support both location under control plane mode and location under user plane mode.; The present invention can reduce system investment, facilitate system maintenance and reduce operation cost.
Description
Technical field
The present invention relates to Gateway Mobile Location Center in the mobile data services, the particularly a kind of implementation that can support the centre of location of multiple mobile communication network simultaneously.
Background technology
Position service function is the business that user mobility can be provided in the various data services that provide of modern mobile communication network.Usually, this service function can be embodied as a kind of integrated service, and Gateway Mobile Location Center (GMLC, Gateway Mobile Location Center) will provide basic professional ability for various attractive integrated services, just obtain user's home position information (longitude and latitude, elevation, speed).As its name suggests, Gateway Mobile Location Center is a network element that has played the effect at critical point, and builds the prerequisite that Gateway Mobile Location Center is carried out with regard to the integrated service that becomes various use locations information.Accompanying drawing 1 has represented that whole mobile network provides the architectural schematic of location-based service, and as shown in Figure 1, Gateway Mobile Location Center connects mobile network and positioning service client (LCS Client, LoCationService Client).
Angle from the service provider, wish to be that the user of maximum quantity serves by mode easily, no matter and these users are to use the terminal among any mobile network, such as GSM (GlobalSystem for mobile Communication, global system for mobile communications), CDMA (Code DivisionMultiple Access, code division multiple access), PHS (Personal Handphone System, personal handyphone system), WCDMA (Wide Band CDMA, Wideband Code Division Multiple Access (WCDMA)) etc.
From Virtual network operator, hope can reduce equipment investment, reduces the expense of system's operation management, reduces professional affected degree in the process of system upgrade evolution, for the user provides more satisfied service.
These demands are extensively to exist, and are also embodied in simultaneously in the international standards of carrying out the positioning service appointment.For to service provider and various position application, or the positioning client terminal that takes out therefrom, XML (the eXtensible Marked Language that international organization's appointment is arranged, extend markup language) the unified Le standard of form, as long as follow this consensus standard between Gateway Mobile Location Center and the positioning client terminal, just can satisfy above-mentioned service provider's demand.
For Virtual network operator, although various mobile networks can provide user position information by means of signaling, in GSM, WCDMA, PHS network, can pass through MAP (MobileApplication Part, MAP) signaling and obtain user's current location information.But the form of these MAP signalings is not quite similar, and the definition of these signaling formats changes along with the change of mobile network protocol specification version, that is to say to mediate a settlement as Gateway Mobile Location Center that these interfaces between the network element also are different among the different mobile networks.More it should be noted that because the equipment investment of mobile operator is progressively carried out, that is to say, can be in same mobile network in the face of existing in the equipment of following the different specification version.Virtual network operator not only needs to support the location of chain of command mode simultaneously, support the location of user's face mode when also seeking common ground possibly,, and wish that the support to these two kinds of locate modes is integrated with support technological development direction from now on, seamless, be transparent for the service provider.
Consider that from this angle as if the function that realizes locating gateway with a kind of system configuration of loose coupling is proper.That is to say, realize the gateway centre of location separately, use the critical point positioning equipment to do route control, perhaps link to each other with a plurality of gateway centres of location, voluntarily the professional flow direction of control by positioning client terminal at each network configuration.
But we must consider, in the flow process of whole positioning service, have got rid of after the otherness of signaling interface, and the similitude of heterogeneous networks structure is a lot.All comprise steps such as similar authentication, location, record positioning result, charging, generation ticket in these flow processs.And use the loose coupling structure need in system, introduce more equipment, cause more function to repeat, and be difficult to adopt optimized Measures in system, the result who brings so is the decline of overall system efficiency, the rising of cost of investment, the operation management difficulty strengthens.
Summary of the invention
The object of the present invention is to provide a kind of Gateway Mobile Location Center and its implementation, it uses tightly coupled implementation, come the difference of adaptive different mobile communications network signaling system with the mode of a plurality of SGWs, be implemented in the location of supporting the user in different location architectures and the heterogeneous networks in the cover Gateway Mobile Location Center equipment simultaneously.
To achieve these goals, the invention provides a kind of Gateway Mobile Location Center, comprise the access module, control module and the service layer's module that connect successively, wherein, service layer's module comprises a plurality of SGW modules that are used to realize positioning service corresponding to different mobile networks;
Control module is used for according to mobile network's type of the user that is positioned Location Request being routed to the one or more of described a plurality of SGW modules;
The positioning result that a plurality of SGW modules turn back to described control module has unified format.
Above-mentioned Gateway Mobile Location Center, control mutually by Event triggered between access module, control module and the service layer's module, and the identical context data structure that encapsulates in the described incident operated, described incident has unique event name or the event number of the overall situation, and described control module is used different incidents that Location Request is routed to one or more in described a plurality of SGW module and positioned processing.
Simultaneously, service layer's module also comprises user's face processing module, is used to realize support the location of the mobile phone of user's face positioning function, and control module is used incident that Location Request is routed to user's face processing module and positioned processing.
Simultaneously, when the mobile network of a correspondence in a plurality of SGW modules comprises a plurality of evolution version, the SGW module comprises a plurality of SGW submodules corresponding to the different evolution versions of same mobile network, control module is according to mobile network's type of the user that is positioned, use incident that Location Request is routed in the described SGW submodule positions processing, uses between identical incident and the control module corresponding to a plurality of SGW submodules of the different evolution versions of same mobile network and carries out communication.
Simultaneously, service layer's module also comprises a roaming processing module, be used for when being positioned mobile phone roaming realizing the location, the SGW module is used to also to judge that Location Request being sent to described roaming processing module by control module behind the roaming state of the described mobile phone that is positioned positions processing.
In order better to realize above-mentioned purpose, the present invention also provides a kind of implementation method of Gateway Mobile Location Center, comprises the steps:
The Access Layer module is set, is used for being responsible for the processing of Le interface;
Control module is set, is used for the control of whole positioning service flow process;
Setting is corresponding to different mobile networks' a plurality of SGW modules that are used to realize positioning service;
Described access module, control module and SGW module are controlled mutually by Event triggered, be used for the identical context data structure that described incident encapsulates is operated, described incident has the overall situation unique event name or event number, described control module is according to mobile network's type of the user that is positioned, Location Request is routed to one or more in described a plurality of SGW module positions processing;
The positioning result that described a plurality of SGW module turns back to described control module has unified format.
The implementation method of above-mentioned Gateway Mobile Location Center wherein, also comprises step:
One user's face processing module is set, is used to realize support the location of the mobile phone of user's face positioning function, described control module is used incident that Location Request is routed to described user's face processing module and is positioned processing.
The implementation method of above-mentioned Gateway Mobile Location Center wherein, also comprises step:
The one roaming processing module corresponding to described SGW module is set, be used for when being positioned mobile phone roaming, realizing the location, behind the roaming state of the described mobile phone that is positioned of described SGW module judgement Location Request sent to described roaming processing module by described control module and position processing.
Employing the present invention can adapt to the interface of various mobile communication network, the function that support positions simultaneously to user in the heterogeneous networks, the smooth evolution of network enabled system protocol version; And the different location architectures of simultaneous adaptation, both supported location under the chain of command mode also to support the location under user's face mode.Can reduce simultaneously the investment of system, the maintenance that makes things convenient for system, minimizing operation cost;
Because the present invention uses asynchronous event driven manner, can embody the advantage of tightly coupled system, has kept the contact of the loose coupling between system's various piece again, can also improve the throughput of system;
Adopt the present invention's OO method easy to use to network analysis and modeling.
Description of drawings
Fig. 1 is the system assumption diagram that whole mobile network provides location-based service;
Fig. 2 is the architecture of Gateway Mobile Location Center;
Fig. 3 is a modular structure of supporting the GMLC of GSM and WCDMA network simultaneously.
Embodiment
Fig. 1 is the system assumption diagram that whole mobile network provides location-based service, Fig. 1 represents network element entity relevant with the location among the mobile network with more rough mode, and it mainly is to highlight the position of Gateway Mobile Location Center in whole location architectures, and among the different mobile networks with the relevant network element in location owing to the important function of all undertaking simultaneously among the mobile network, their external interfaces are relatively stable, seldom might revise system configuration and interface specification, so only pay close attention to the interface between they and the Gateway Mobile Location Center here for the needs of a certain business.
As shown in Figure 2, Gateway Mobile Location Center of the present invention comprises:
Access module 10, it is connected with LCS Client by the Le interface, is responsible for the processing of Le interface, comprises receiving the Le request and returning the Le response;
Control module 20, be connected with access module 10, be responsible for the control of whole positioning service flow process, carry out communication by event mode between control module 20 and the access module 10, comprise context object in the incident, use unique event name or the event number of the overall situation to distinguish simultaneously, control module judges according to the strategy of customization which mobile network the user that is positioned belongs to, and uses different incidents Location Request to be routed in the submodule of different service layer's modules 30 and go;
Service layer's module 30, be connected with control module 20, carry out communication by event mode equally between service layer's module 30 and the control module 20, whether service layer's module can start according to the configuration decision, service layer's module comprises a plurality of submodules, as authentication module, user's face processing module, SGW module, roaming processing module etc., which submodule is service layer's module 30 can use according to the needs decision of systemic-function.
Wherein:
Access module 10, control module 20 are independent scheduling unit with service layer's module 30, its operation is not subjected to the direct control of other modules, but finish flow process control by the mode of Event triggered, in incident, pack context data structure, contextual state transition is by Event triggered, the function that is each module is triggered by incident, its action of finishing at first is the migration to the state of the context object of representing Location Request, and each module is controlled the flow process of a request by the mode of transmission incident;
Authentication module in service layer's module 30 is used for all kinds of authentications;
Different evolution version for a plurality of mobile networks (as GSM net and WCDMA net) and same mobile network, need a plurality of SGW modules carry out adaptive: to carry out communication by different incidents between the SGW module that different mobile networks is corresponding different, itself and control module; The corresponding different SGW modules of same mobile network's different evolution version, but the different SGW modules of same mobile network's different evolution version correspondence can not start simultaneously, but their use between identical incident and the control module and carry out communication;
Roaming processing modules implement roaming function;
User's face processing module is used for supporting the location of user's face when supporting the chain of command location, can be optimized whole positioning flow;
The unified intermediate form that uses of positioning result is represented, all module unifications are operated identical context mechanism: for different mobile networks and corresponding evolution version, undertaken adaptive by different SGW modules respectively, these SGW modules are according to using different incidents to carry out communication between the difference of network type and the control module, but all pack identical context data structure in all incidents, and in context data structure, use unified intermediate form to represent positioning result;
For different mobile networks, control module is routed to different SGW modules according to the customizable strategy of client with Location Request, for example, number according to the user that is positioned is distinguished, or distinguish according to the ability or the residing network environment of user terminal, use the Location Request of different incident routes by control module, and the strategy of this route is that the client is customizable at the user in the heterogeneous networks.
Be described in further detail below in conjunction with the enforcement of accompanying drawing technical scheme.
The implementation method of Gateway Mobile Location Center of the present invention is characterized in that, comprises the steps:
The Access Layer module is set, is used for being responsible for the processing of Le interface;
Control module is set, is used for the control of whole positioning service flow process;
Setting is corresponding to different mobile networks' a plurality of SGW modules that are used to realize positioning service;
One user's face processing module is set, is used to realize support the location of the mobile phone of user's face positioning function, described control module is used incident that Location Request is routed to described user's face processing module and is positioned processing;
The one roaming processing module corresponding to described SGW module is set, be used for when being positioned mobile phone roaming, realizing the location, behind the roaming state of the described mobile phone that is positioned of described SGW module judgement Location Request sent to described roaming processing module by described control module and position processing;
One authentication module is set, client-side information, location initiator and the user's that is positioned sign is carried out client authentication, service authentication and privacy authentication respectively;
Described access module, control module and service layer's module SGW module are controlled mutually by Event triggered, be used for the identical context data structure of described incident encapsulation is operated, described incident has the overall situation unique event name or event number, described control module is according to mobile network's type of the user that is positioned, Location Request is routed to one or more in described a plurality of SGW module positions processing;
The positioning result that described a plurality of SGW module turns back to described control module has unified format.
Fig. 2 is the system assumption diagram of Gateway Mobile Location Center.Each module all is an independent scheduling unit in the system, and their operation is not subjected to the direct control of other modules, but finishes flow process control by the mode of Event triggered.Interface among the figure between Les Client and the Access Layer module is the Le interface, uses event mode to carry out communication between Access Layer module and the control module, comprises context object in the incident, and incident uses unique event name or the event number of the overall situation to distinguish.Control module and service layer's module are directly same uses event mode to carry out communication.Whether service layer's module can start according to the configuration decision.Can use which service module according to the needs decision of systemic-function.Especially to a plurality of mobile networks and same mobile network's different evolution version, need a plurality of SGW modules and carry out adaptive.Simultaneity factor is by the configuration of user plane processing module and roam the processing modules implement roaming function, and supports the location of user's face when supporting the chain of command location, and can be optimized whole positioning flow.
Fig. 3 is the modular structure figure that supports the Gateway Mobile Location Center of GSM and WCDMA network simultaneously.This figure is clearer and more definite is illustrated in the configuring condition of supporting simultaneously system in GSM and the WCDMA network user's position fixing process, control module 20 judges according to the strategy of customization which mobile network the user that is positioned belongs to, and uses different incidents that Location Request is routed in the different SGW service modules and go.
Divide five kinds of situation discussion to adopt the detailed process of the location of the technical program realization below.
(1) user's location in the GSM network under the chain of command mode
In conjunction with shown in Figure 2, when the method that Gateway Mobile Location Center of the present invention is realized the location realizes locating to the user in the GSM network under the chain of command mode, specifically comprise the steps:
Step 101 starts GSM SGW service module during system start-up;
Step 102, positioning client terminal is by Le interface user's in Gateway Mobile Location Center is initiated the GSM network Location Request, access module is created a context object for this Location Request, wherein comprise all information in this Location Request, and send the Location Request incident of receiving to control module, this is received and comprises this context object in the Location Request incident, and this receives that the Location Request incident is identified by a unique event number of the overall situation;
Step 103, after control module is received incident (receiving the Location Request incident), judge according to event number and to receive a Location Request, just create the authentication request incident and send to authentication module, wherein the authentication request incident comprises this context object, and this authentication request incident is identified by a unique event number of the overall situation;
Step 104, after authentication module is received incident (creating the authentication request incident), judge it is an authentication request incident according to event number, therefrom take out context object and carry out client authentication, service authentication, privacy authentication etc. respectively according to the client-side information and the location initiator that wherein comprise and the user's that is positioned sign, if authentication is passed through, then send the positioning starting incident, otherwise send the failed authentication incident, and in context object, write down authenticating result to control module;
Step 105 if control module is received the failed authentication incident, then sends the positioning flow turkey to access module, wherein comprises context object, is finished the failure of Le interface by access module and returns, and flow process finishes;
Step 106 if control module is received the positioning starting incident, then judges that according to the strategy of customization the user that is positioned belongs to GSM user, then sends GSM Location Request incident to GSM SGW module, comprises context object in this GSM Location Request incident;
Step 107, after GSM SGW module is received request event (GSM Location Request incident), based on context the information in the object, at first send SRI (SEND-ROUTING-INFO-FOR-LCS) message to 2G-HLR (Home Location Register), the visit ground of inquiring user, send PSL (PROVIDE-SUBSCRIBER-LOCATION) message according to the 2G-MSC (Mobile Switching Centre) on the current visit of user ground or the sign of 2G-SGSN (Service GPRSSupport Node) to 2G-MSC or 2G-SGSN again, and from the return messages of 2G-MSC or 2G-SGSN, take out positioning result, be packaged as unified intermediate form, it is the form of the positioning result of Le interface, leave in the context object, and generate the positioning result incident and send to control module, wherein comprise context object;
After step 108, control module are received the positioning result incident, preserve this positioning result, and generate positioning flow success End Event, wherein comprise context object, send to access module, finished the success of Le interface by access module and return, flow process finishes;
Step 109 is in the above-mentioned flow processing process, if GSM SGW module is made mistakes in processing procedure, such as overtime or receive and just failure information is recorded in failure information in the context object, and generate the location turkey, wherein comprise context object, send to control module;
Step 110, control module can not preserved this result after receiving the location turkey, and generate the positioning flow turkey, wherein comprise context object, send to access module, are finished the failure of Le interface by access module and return, and flow process finishes.
(2) user's location in the WCDMA network under the chain of command mode
In conjunction with shown in Figure 2, when the method that Gateway Mobile Location Center of the present invention is realized the location realizes locating to the user in the WCDMA network under the chain of command mode, specifically comprise the steps:
Step 201 starts WCDMA SGW module during system start-up;
Step 202, positioning client terminal is by Le interface user's in Gateway Mobile Location Center is initiated the WCDMA network Location Request, access module is created a context object for this Location Request, wherein comprise all information in this Location Request, and send the Location Request incident of receiving to control module, this is received and comprises this context object in the Location Request incident, and this receives that the Location Request incident is identified by a unique event number of the overall situation;
Step 203, after control module is received incident (receiving the Location Request incident), judge according to event number and to receive a Location Request, just create the authentication request incident and send to authentication module, wherein the authentication request incident comprises this context object, and this authentication request incident is identified by a unique event number of the overall situation;
Step 204, after authentication module is received incident (creating the authentication request incident), judge it is an authentication request incident according to event number, therefrom take out context object and carry out client authentication, service authentication, privacy authentication etc. respectively according to the client-side information and the location initiator that wherein comprise and the user's that is positioned sign, if authentication is passed through, then send the positioning starting incident, otherwise send the failed authentication incident, and in context object, write down authenticating result to control module;
Step 205 if control module is received the failed authentication incident, then sends the positioning flow turkey to access module, wherein comprises context object, is finished the failure of Le interface by access module and returns, and flow process finishes;
Step 206, if control module is received the positioning starting incident, then judge that according to the strategy of customization the user that is positioned belongs to WCDMA user, then send WCDMA Location Request incident, comprise context object in this WCDMA Location Request incident to WCDMA SGW module;
Step 207, after WCDMA SGW module is received request event (WCDMA Location Request incident), based on context the information in the object, at first send SRI message to 3G-HLR, the visit ground of inquiring user, send PSL message according to the 3G-MSC on the current visit of user ground or the sign of 3G-SGSN to 3G-MSC or 3G-SGSN again, from the return messages of 3G-MSC or 3G-SGSN, take out positioning result, be packaged as unified intermediate form, it is the form of the positioning result of Le interface, leave in the context object, and generate the positioning result incident and send to control module, wherein comprise context object;
After step 208, control module are received the positioning result incident, preserve this positioning result, and generate positioning flow success End Event, wherein comprise context object, send to access module, finished the success of Le interface by access module and return, flow process finishes; If WCDMA SGW module is made mistakes in processing procedure, such as overtime or receive and just failure information is recorded in failure information in the context object, and generate the location turkey, wherein comprise context object, send to control module;
Step 209 is in the above-mentioned flow processing process, if WCDMA SGW module is made mistakes in processing procedure, such as overtime or receive and just failure information is recorded in failure information in the context object, and generate the location turkey, wherein comprise context object, send to control module;
Step 210, control module can not preserved this result after receiving the location turkey, and generate the positioning flow turkey, wherein comprise context object, send to access module, are finished the failure of Le interface by access module and return, and flow process finishes.
(3) under the chain of command mode simultaneously to the location of the user in GSM and the WCDMA network
In conjunction with shown in Figure 2, when Gateway Mobile Location Center of the present invention realizes that the method for location realizes locating to the user in GSM and the WCDMA network simultaneously under the chain of command mode, specifically comprise the steps:
Step 301 starts GSM SGW module and WCDMA SGW module simultaneously during system start-up;
Step 302, positioning client terminal is by Le interface user's in Gateway Mobile Location Center is initiated GSM and WCDMA network Location Request, access module is created a context object for this Location Request, wherein comprise all information in this Location Request, and send the Location Request incident of receiving to control module, this is received and comprises this context object in the Location Request incident, and this receives that the Location Request incident is identified by a unique event number of the overall situation;
Step 303, after control module is received incident (receiving the Location Request incident), judge according to event number and to receive a Location Request, just create the authentication request incident and send to authentication module, wherein the authentication request incident comprises this context object, and this authentication request incident is identified by a unique event number of the overall situation;
Step 304, after authentication module is received incident (authentication request incident), judge it is an authentication request incident according to event number, therefrom take out context object and carry out client authentication and service authentication respectively according to the client-side information and the location initiator that wherein comprise and the user's that is positioned sign, and respectively the different users that is positioned is carried out privacy authentication etc., if authentication is passed through, then respectively each user that is positioned is sent the positioning starting incident to control module, otherwise send the failed authentication incident, and in context, write down authenticating result;
Step 305, if control module is received the failed authentication incident, the request in the whole context object that then judges whether is all handled, if words, send the positioning flow turkey to access module, wherein comprise context object, finished the failure of Le interface by access module and return, flow process finishes;
Step 306 if control module is received the positioning starting incident, then judges that according to the strategy of customization the user that is positioned belongs to GSM and WCDMA user respectively, then sends GSM and WCDMA Location Request incident to GSM and WCDMA SGW module respectively;
Step 307, after GSM SGW module/WCDMA SGW module is received request event (GSM Location Request incident/WCDMA Location Request incident), based on context the information in the object, at first send SRI message to 2G-HLR/3G-HLR, inquiring user visit ground, send PSL message according to the 2G-MSC/3G-MSC on the current visit of user ground or the sign of 2G-SGSN/3G-SGSN to 2G-MSC/3G-MSC or 2G-SGSN/3G-SGSN again, from the return messages of 2G-MSC/3G-MSC or 2G-SGSN/3G-SGSN, take out positioning result, be packaged as unified intermediate form, it is the form of the positioning result of Le interface, leave in the context object, and generate the positioning result incident and send to control module, wherein comprise context object;
Step 308, after control module is received the positioning result incident from two SGW modules respectively, preserve positioning result, and the request in the whole context object of judging whether has all been handled and has been over, if words just generate positioning flow success End Event, wherein comprise context object, send to access module, finished the success of Le interface by access module and return, flow process finishes;
Step 309, in the above-mentioned flow processing process, if GSM SGW module or WCDMA SGW module are made mistakes in processing procedure, such as overtime or receive failure information, just failure information is recorded in the context object, and generate the location turkey, and wherein comprise context object, send to control module;
Step 310, after control module is received the location turkey, can not preserve this result, and the request in the whole context object of judging whether has all been handled and has been over, if words just generate the positioning flow turkey, wherein comprise context object, send to access module, finished the failure of Le interface by access module and return, flow process finishes.
(4) under the chain of command mode to the location of the roamer in the WCDMA network
When the method that Gateway Mobile Location Center of the present invention is realized the location realizes locating to the roamer in the WCDMA network under the chain of command mode, specifically comprise the steps:
Step 401 starts roaming processing module and WCDMA SGW module when the system start-up of user ascription area, started these modules equally in the user visiting ground Gateway Mobile Location Center system simultaneously;
Step 402, positioning client terminal is initiated Location Request to the WCDMA user mobile phone that roams into the strange land by the Le interface to the Gateway Mobile Location Center of user ascription area, create a context object by access module for this Location Request, wherein comprise all information in the Location Request, and send the Location Request incident of receiving to control module, this is received and comprises this context object in the Location Request incident, and this receives that the Location Request incident is identified by a unique event number of the overall situation;
After step 403, control module are received incident (receiving the Location Request incident), judge according to event number and to receive a Location Request, just create the authentication request incident, wherein comprise this context object, and send to authentication module;
Step 404, after authentication module is received incident (creating the authentication request incident), judge it is an authentication request incident according to event number, therefrom take out context object and carry out client authentication, service authentication, privacy authentication etc. respectively according to the client-side information and the location initiator that wherein comprise and the user's that is positioned sign, if authentication is passed through, then send the positioning starting incident, otherwise send the failed authentication incident, and in context object, write down authenticating result to control module;
Step 405 if control module is received the failed authentication incident, then sends the positioning flow turkey to access module, wherein comprises context object, is finished the failure of Le interface by access module and returns, and flow process finishes;
Step 406, if control module is received the positioning starting incident, then judge that according to the strategy of customization the user that is positioned belongs to WCDMA user, then send WCDMA Location Request incident, comprise context object in this WCDMA Location Request incident to WCDMA SGW module;
Step 407, after WCDMA SGW module is received incident (WCDMA Location Request incident), send SRI message to 3G-HLR, the visit ground of inquiring user, judge according to visit ground information that the user has roamed in other the network of Gateway Mobile Location Center of ownership again and gone, then user visiting ground information is kept in the context object, and establishment user roaming event, wherein comprise context object, and send to control module;
Step 408, control module receive that the user after the roaming event, is packaged in context object in the roaming request event of new establishment again, and sends to the roaming processing module;
Step 409, the address that the roaming processing module is found the Gateway Mobile Location Center of its ownership according to user visiting ground information, and send the Lr request, and in request, carry the user's who from HLR, has found visit ground information to the Gateway Mobile Location Center of user roaming place;
Step 410, the roam module of user visiting ground Gateway Mobile Location Center are created context object after receiving the Lr request equally, wherein comprise all information in the Lr request, and send roaming startup incident to control module;
Step 411, after the control module of user visiting ground Gateway Mobile Location Center is received roaming startup incident, judging no longer needs to carry out the privacy of user authentication, and judge that according to the strategy of customization the user is the user who belongs to the WCDMA network, then create in the WCDMA SGW module that WCDMA Location Request incident sends to user visiting ground Gateway Mobile Location Center;
Step 412, the WCDMA SGW module of user visiting ground Gateway Mobile Location Center is after receiving the Location Request incident, from context object, obtain the information on user visiting ground, just no longer send SRI message to user visiting ground 3G-HLR, but directly send PSL message to the 3G-MSC or the 3G-SGSN on user visiting ground, and from the location message that they return, take out positioning result, be packaged as unified intermediate form, the form of the positioning result of Le interface just, leave in the context object, and generate the control module that the positioning result incident sends to user visiting ground Gateway Mobile Location Center, wherein comprise context object;
Step 413, after the control module of user visiting ground Gateway Mobile Location Center is received the positioning result incident, judge that user's context is to liking the context object of a roaming type, then context object is repackaged in the newly-generated roaming flow process End Event, send to user visiting ground Gateway Mobile Location Center the roaming processing module;
Step 414, the roaming processing module of user visiting ground Gateway Mobile Location Center are responsible for positioning result is packaged in the Lr return messages after receiving the flow process End Event, send to the roaming processing module of the Gateway Mobile Location Center of user ascription area;
Step 415, after the roaming processing module of user ascription area is received the Lr return messages, therefrom take out positioning result, and be converted to unified intermediary message form, the form of the positioning result of Le interface just, and be kept in the context object, send in the control module of user ascription area by the roaming result event;
Step 416, the control module of user ascription area are preserved the positioning result that wherein comprises after receiving the roaming result event, and generate positioning flow success End Event, and wherein comprise context object, send to access module, finished the success of Le interface by access module and return, flow process finishes;
Step 417 if the roaming processing module is made mistakes, such as overtime or receive and just failure information is recorded in failure information in the context object, and generates roaming location turkey in processing procedure, wherein comprise context object, sends to control module;
Step 418, control module can not preserved this result, and generate the positioning flow turkey after being received roaming location turkey, wherein comprise context object, send to access module, are finished the failure of Le interface by access module and return, and flow process finishes.
(5) location of mobile network user under user's face mode
When the method that Gateway Mobile Location Center of the present invention is realized the location realizes locating to the user among the mobile network under user's face mode, specifically comprise the steps:
Step 501 starts user's face processing module during system start-up;
Step 502, positioning client terminal passes through the Le interface to the Location Request of Gateway Mobile Location Center initiation to the user mobile phone of support user face positioning function, access module is created a context object for this Location Request, wherein comprise all information in this Location Request, and send the Location Request incident of receiving to control module, this is received and comprises this context object in the Location Request incident, and this receives that the Location Request incident is identified by a unique event number of the overall situation;
Step 503, after control module is received incident (receiving the Location Request incident), judge according to event number and to receive a Location Request, just create the authentication request incident and send to authentication module, wherein the authentication request incident comprises this context object, and this authentication request incident is identified by a unique event number of the overall situation;
Step 504, after authentication module is received incident (creating the authentication request incident), judge it is an authentication request incident according to event number, therefrom take out context object and carry out client authentication, service authentication, privacy authentication etc. respectively according to the client-side information and the location initiator that wherein comprise and the user's that is positioned sign, if authentication is passed through, then send the positioning starting incident, otherwise send the failed authentication incident, and in context object, write down authenticating result to control module;
Step 505 if control module is received the failed authentication incident, then sends the positioning flow turkey to access module, wherein comprises context object, is finished the failure of Le interface by access module and returns, and flow process finishes;
Step 506 if control module is received the positioning starting incident, is then judged the user mobile phone support user face positioning function that is positioned according to the strategy of customization, then sends user's face Location Request incident to user's face processing module;
Step 507, after user's face processing module is received request event (user's face Location Request incident), based on context the information in the object, at first send SUPL INIT message to the user that is positioned by WAP (Wireless Application Protocol) gateway or sms center, after user's response and initiatively setting up the TCP connection, receive the SUPL POS INIT message that the user that is positioned sends, and from database, find user's rough grade positional information according to the cell information in the SUPL POS INIT message, and by and SLC between interface obtain the user and measure auxiliary data, send to the user by SUPL POS message again, the user measures auxiliary data according to the user and finishes location survey, again by the report of SUPL POS message return measurement, user's face processing module again by and SLC between interface requirement SLC calculate user's accurate positional information according to user's measurement result, and the result is packaged as unified intermediate form, the form of the positioning result of Le interface just, leave in the context object, and generate the positioning result incident and send to control module, wherein comprise context object;
After step 508, control module are received the positioning result incident, preserve positioning result, and generate positioning flow success End Event, wherein comprise context object, send to access module, finished the success of Le interface by access module and return, flow process finishes;
Step 509 if user's face processing module is made mistakes, such as overtime or receive and just failure information is recorded in failure information in the context object, and generates the location turkey in processing procedure, wherein comprise context object, sends to control module;
Step 510, control module can not preserved this result after receiving the location turkey, and generate the positioning flow turkey, wherein comprise context object, send to access module, are finished the failure of Le interface by access module and return, and flow process finishes.
Description by above concrete implementation detail to the technical program as can be seen, the technical program is to reach the requirement of supporting multiple mobile network's positioning service and multiple location architectures simultaneously fully.
Certainly, the present invention also can have other various embodiments, under the situation that does not deviate from spirit of the present invention and essence thereof, those of ordinary skill in the art are when making various corresponding changes and expansion according to the present invention, support the promptly function of location, cycle location, Event triggered location such as increasing, and increase system maintenance function or the like.But these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Industrial applicability
Employing the present invention can adapt to the interface of various mobile communication network, the function that support positions simultaneously to user in the different networks, the smooth evolution of support network system protocol version; And the different locating system structure of simultaneous adaptation, both supported location under the chain of command mode also to support the location under user's face mode. Can reduce simultaneously the investment of system, the maintenance that makes things convenient for system, minimizing operation cost.
Because the present invention uses asynchronous event type of drive, can embody the advantage of tightly coupled system, has kept again the contact of the loose coupling between system's various piece, can also improve the handling capacity of system.
Adopt the present invention's OO method easy to use to network analysis and modeling.
Claims (11)
1. a Gateway Mobile Location Center comprises the access module, control module and the service layer's module that connect successively, it is characterized in that:
Described service layer module comprises a plurality of SGW modules that are used to realize positioning service corresponding to different mobile networks;
Described control module is used for according to mobile network's type of the user that is positioned Location Request being routed to the one or more of described a plurality of SGW modules;
The positioning result that described a plurality of SGW module turns back to described control module has unified format.
2. Gateway Mobile Location Center according to claim 1, it is characterized in that, control mutually by Event triggered between described access module, control module and the service layer's module, and the identical context data structure that encapsulates in the described incident operated, described incident has unique event name or the event number of the overall situation, and described control module is used different incidents that Location Request is routed to one or more in described a plurality of SGW module and positioned processing.
3. Gateway Mobile Location Center according to claim 2, it is characterized in that, described service layer module also comprises user's face processing module, be used to realize support the location of the mobile phone of user's face positioning function, described control module also is used for the use incident and Location Request is routed to described user's face processing module positions processing.
4. Gateway Mobile Location Center according to claim 2, it is characterized in that, when the mobile network of a correspondence in described a plurality of SGW module comprises a plurality of evolution version, described SGW module comprises a plurality of SGW submodules corresponding to the different evolution versions of same mobile network, described control module also is used for the mobile network's type according to the user that is positioned, use incident that Location Request is routed in the described SGW submodule positions processing, and described a plurality of SGW submodules corresponding to the different evolution versions of same mobile network use between identical incident and the described control module and carry out communication.
5. Gateway Mobile Location Center according to claim 2, it is characterized in that, described service layer module also comprises a roaming processing module, be used for when being positioned mobile phone roaming realizing the location, described SGW module is used to also to judge that Location Request being sent to described roaming processing module by described control module behind the roaming state of the described mobile phone that is positioned positions processing.
6. Gateway Mobile Location Center according to claim 2, it is characterized in that, described service layer module also comprises an authentication module, is used for client-side information, location initiator and the user's that is positioned sign is carried out client authentication, service authentication and privacy authentication respectively.
7. Gateway Mobile Location Center according to claim 2 is characterized in that, described control module is according to the described user's of being positioned number, the ability of user terminal or mobile network's type that residing network environment is distinguished the described user that is positioned.
8. the implementation method of a Gateway Mobile Location Center is characterized in that, comprises the steps:
The Access Layer module is set, is used for being responsible for the processing of Le interface;
Control module is set, is used for the control of whole positioning service flow process;
Setting is corresponding to different mobile networks' a plurality of SGW modules that are used to realize positioning service;
Described Access Layer module, control module and SGW module are controlled mutually by Event triggered, be used for the identical context data structure that described incident encapsulates is operated, described incident has the overall situation unique event name or event number, described control module is according to mobile network's type of the user that is positioned, Location Request is routed to one or more in described a plurality of SGW module positions processing;
The positioning result that described a plurality of SGW module turns back to described control module has unified format.
9. the implementation method of described Gateway Mobile Location Center according to Claim 8 is characterized in that, also comprises step:
One user's face processing module is set, is used to realize support the location of the mobile phone of user's face positioning function, described control module is used incident that Location Request is routed to described user's face processing module and is positioned processing.
10. the implementation method of described Gateway Mobile Location Center according to Claim 8 is characterized in that, also comprises step:
The one roaming processing module corresponding to described SGW module is set, be used for when being positioned mobile phone roaming, realizing the location, behind the roaming state of the described mobile phone that is positioned of described SGW module judgement Location Request sent to described roaming processing module by described control module and position processing.
11. the implementation method of described Gateway Mobile Location Center is characterized in that according to Claim 8, also comprises step:
One authentication module is set, sign to client-side information, location initiator and the user that is positioned is carried out client authentication, service authentication and privacy authentication respectively, authentication continues to carry out the location by the back, otherwise is returned by the failure that described control module is finished the Le interface by described Access Layer module.
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| PCT/CN2005/001905 WO2007053979A1 (en) | 2005-11-11 | 2005-11-11 | Gateway mobile location center and method therefor |
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| US10064044B2 (en) | 2014-09-18 | 2018-08-28 | Huawei Technologies Co., Ltd. | Method and apparatus for determining roaming status of terminal, terminal, and server |
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| CN101938830A (en) * | 2009-06-29 | 2011-01-05 | 大唐移动通信设备有限公司 | Positioning method and device |
| CN103139701A (en) * | 2011-11-29 | 2013-06-05 | 北京航天长峰科技工业集团有限公司 | Mobile phone positioning system and positioning method |
| CN103514498A (en) * | 2012-06-26 | 2014-01-15 | 中兴通讯股份有限公司 | Business realization method and system thereof |
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| WO2007053979A1 (en) | 2007-05-18 |
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