CN1874589A - Method for providing location service in mobile communication system - Google Patents
Method for providing location service in mobile communication system Download PDFInfo
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- CN1874589A CN1874589A CNA2005100264392A CN200510026439A CN1874589A CN 1874589 A CN1874589 A CN 1874589A CN A2005100264392 A CNA2005100264392 A CN A2005100264392A CN 200510026439 A CN200510026439 A CN 200510026439A CN 1874589 A CN1874589 A CN 1874589A
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Abstract
The invention provides a local allocation access subsystem, and the method thereof comprises: using one of mobile communication systems with different protocols to send a location request to the local location access subsystem; receiving the location request and deciding what type of protocol is used by the location request, and in term of the type of protocol, selecting a corresponding mobile location center; in term of the interface protocol supported by the mobile location center, constructing the corresponding location serving message, and sending it to the corresponding mobile location center; the mobile location center receives the location serving message, and then generates a location response message, which is sent to the local location access subsystem; the local location access system receives the location response message from the mobile location center, and according to the protocol type of the received location request, converts the location response message, and then responds the location request.
Description
Technical field
The present invention relates to the location technology in the mobile communication system, more particularly, relate to a kind of method that positioning service can be provided in the mobile communication system of using the different agreement type.
Background technology
Along with the development of society, the people's activities scope is increasing, and more and more uncertain.This mobility and uncertain when bringing market and challenge to mobile communication, also for the location-based service business carry out and expansion has brought infinite commercial opportunities.
So-called location-based service (LBS, Location Based Services) claims positioning service again, be meant cooperation by portable terminal and mobile network, determine mobile subscriber's actual geographical position, thereby the user is provided the needed information on services relevant with the position, is to utilize customer position information to carry out a kind of mobile communication of value-added service and the service form of navigation fusion.
According to the standard of 3GPP, 3GPP2, mobile positioning center MPC (Mobile Position Center) or Gateway Mobile Location Center GMLC (Gateway Mobile Location Center) provide the positional information of travelling carriage to service provider SP (Service Provider).SP finishes the relevant value-added service in position therewith in conjunction with contents such as relevant image, literal, provides the position class business to the end user, or be called location service (Location Service, LS).
In the second generation mobile communication system of using at present, still be the GSM network no matter for cdma network, equally also all supporting location positioning services.At present, a service provider may build GSM network and cdma network simultaneously, therefore possesses the centre of location based on two kinds of networks.
For the GSM network, be provided with the mobile positioning center MPC1 and the location service LS1 that serve the GSM network user, interface protocol between location service LS1 and the mobile positioning center MPC1 is API 1 agreement (hereinafter to be referred as API1, being a kind of and the device-dependent agreement of the GSM mobile positioning center service provider).
In the GSM network, general by following flow process for the location of customer location, with reference to figure 1 as seen, Fig. 1 shows the process schematic diagram that carries out location positioning in the GSM network.
At first, a mobile subscriber 102 proposes the request of location-based service;
Positioning service platform 104 is seeked the opinion of user profile by Any Time Interrogation message (ATI message) to attaching position register (HLR) 106, mainly is the identifier (Cell-ID) of the residing sub-district of user;
HLR 106 seeks the opinion of (Cell-ID) of the residing sub-district of user by user profile message (Provide Subscriber Information message) is provided to mobile switching centre (MSC)/Visited Location Registor (VLR) 108.
The Cell-ID of the mobile subscriber sub-district of living among the MSC/VLR 108 is passed to positioning service platform 104 by HLR 106.Positioning service platform 104 finds the residing sub-district of user according to Cen-ID, since the position of each sub-district be fix and its coverage also fix, so find the mobile subscriber's who just roughly determines after the subdistrict position position, it is the completing place service that this information is returned to the mobile subscriber.Need explanation herein, the accuracy of location is not a content involved in the present invention by multiple factor decision such as cell coverage area, cell density, signal strength signal intensity, therefore the accuracy of location is not discussed herein.
In the GSM network, the positioning service platform normally is combined in the mobile positioning center, the location-based service business is to combine with other business, independently do not handle, therefore can be understood as in the GSM network and directly carry out the request of location service by location service LS1 to mobile positioning center MPC1 by the mobile subscriber, its schematic diagram can be with reference to figure 3A.
For cdma network, between location service LS2 and MPC2, set up special service in the location, this locality of this service provider's cdma network access subsystem 200, shown in Fig. 3 B.Local location access subsystem 200 is finished following major function: (1) service supplier (SP) management; (2) SP access authentication and authentication inspection; (3) position requests is transmitted; (4) GIS-Geographic Information System (GIS) request route; (5) charge.Thus, by location, this locality access subsystem 200 that location service is independent, be convenient to management.
In cdma network, follow service provider's SPACCESS interface specification between local location access subsystem 200 and the location service LS2, follow service provider's L1 interface specification between local location access subsystem 200 and the MPC2.
In the existing C DMA network, the flow chart of realizing location services by location, above-mentioned this locality access subsystem 200 as shown in Figure 2.Comprise following step:
A, location access subsystem 200 send Location Request by the L1 interface protocol to mobile positioning center.
B, mobile positioning center carry out authentication by user/CP database to CP and target mobile radio station (MS), and CP and inquiry promoter are carried out authorization check.
C, user/CP database return authenticating result to mobile positioning center.
D, mobile positioning center send Location Request to position determining entity.
E, mobile positioning center send a special MT (Mobile Termination) short message by sms center to target MS, require MS that the inquiry promoter is made authorization check and triggered location process.
F, target MS send MO (Mobile Origination) short message to mobile positioning center, agree the location.
IS 801 interacting messages between G, position determining entity and the MS carry out the calculating of MS position.
H, position determining entity are to mobile positioning center restoring to normal position result.
I, mobile positioning center store location result, and the message by meeting the L1 interface protocol is to CP restoring to normal position result.
At present, GSM and cdma network for operation simultaneously, both are two systems of independently cutting apart, can be with reference to shown in figure 3A, the B, location service in the GSM network can not insert the mobile positioning center of GSM network by location, this locality in cdma network access subsystem 200, thereby can not locate the above-mentioned functions of access subsystem 200 with the multiplexing this locality of cdma network, realize unified management, operation and charging etc.
Because the difference of interface protocol, location, this locality access subsystem 200 in the existing cdma network can't be directly used in service provider's GSM positioning service system equally.If build the access subsystem that is exclusively used in the GSM network again, not only construction cost increases, and is unfavorable for unified management, unified operation and unified the maintenance.
Summary of the invention
The object of the present invention is to provide a kind of method, make the mobile communication system of using the different agreement type can both be linked into unified location, this locality access subsystem, thereby realize unified location service service and management between the different mobile communication system.
According to the present invention, a kind of method that positioning service can be provided in the mobile communication system of using the different agreement type is provided, comprise mobile positioning center in the mobile communication system, wherein, location, this locality access subsystem that this method provides each system in the mobile communication system of using the different agreement type all can insert, this method comprises the steps:
One in the mobile communication system of use different agreement type to location, this locality access subsystem transmission location request message; Location request message is to follow the protocol type of its affiliated mobile communication system;
Local location access subsystem receiving position request message is also judged its protocol type, and select the corresponding mobile centre of location according to protocol type;
The interface protocol that local location access subsystem is supported according to mobile positioning center is constructed corresponding location-based service message, and is sent to the corresponding mobile centre of location;
Mobile positioning center receiving position service message, and then produce the position response message and send to local location access subsystem;
Local location access subsystem receives the position response message from mobile positioning center, according to the protocol type dislocation response message of the location request message that is received before, and the location request message before responding.
According to one embodiment of the invention, the described selection corresponding mobile centre of location is combined in the protocol type that pre-configured mobile positioning center is supported in the access subsystem of local location and selects.
According to one embodiment of the invention, the mobile communication system of described use different agreement type comprises CDMA and GSM mobile radio communication.The location request message that described local access subsystem receives is to follow the SPACCESS agreement from the location request message of cdma network.The location request message that described local access subsystem receives is to follow the API1 agreement from the location request message of GSM network.The interface protocol that described local location access subsystem is supported according to mobile positioning center is constructed in the corresponding location-based service message, and for the location request message from cdma network, described mobile positioning center uses L1 agreement construction location service message.The interface protocol that described local location access subsystem is supported according to mobile positioning center is constructed in the corresponding location-based service message, disappears for the position requests from the GSM network, and described mobile positioning center uses API1 agreement construction location service message.
The present invention inserts the method for mobile positioning center by a kind of location service is provided, make same local location access subsystem can be used to use the mobile radio communication of different agreement type, the location positioning in cdma network and the GSM network for example, and unified authenticate, functions such as authentication and charging, thereby reducing the construction costs, management cost and maintenance cost.
Description of drawings
Above-mentioned and other feature, character and advantage of the present invention will be by becoming more obvious below in conjunction with accompanying drawing to the detailed description of embodiment, and identical in the accompanying drawings Reference numeral is represented identical feature all the time, wherein,
Fig. 1 is the schematic flow sheet that the GSM network is realized location positioning in the prior art.
Fig. 2 is the flow chart that positions by location, this locality access subsystem in the cdma network in the prior art.
Fig. 3 A, B are the schematic diagrames that GSM network and cdma network carry out location-based service in the prior art.
Fig. 4 is the schematic diagram that carries out location-based service according to the present invention between heterogeneous networks.
Fig. 5 is the flow chart that carries out the method for location-based service according to the present invention between GSM and cdma network.
Embodiment
Further specify technical scheme of the present invention below in conjunction with accompanying drawing.
Main design philosophy of the present invention is that unified location, a this locality access subsystem is provided between various mobile radio communication, be that location service in the all-network all at first is linked in this location, this locality access subsystem, carry out unified switching by this location, this locality access subsystem more afterwards, the mobile positioning center that is transferred to separately positions processing.So that at present two kinds of network G SM networks commonly used and cdma network are example.With reference to figure 4, the location service LS1 in the GSM network at first inserts local location of the present invention access subsystem 300, is forwarded to the mobile positioning center MPC1 of GSM network again by location, this locality access subsystem 300.Equally, the location service LS2 in the cdma network at first inserts local location access subsystem 300, is forwarded to CDMA mobile positioning center MPC2 by location, this locality access subsystem 300 again.Location service LS1 among the present invention in the GSM network and mobile positioning center MPC1, and the location service LS2 in the cdma network and mobile positioning center MPC2 all do not need to revise self employed agreement, resolve and transform by different access protocol in 300 pairs of GSM networks of this locality location access subsystem and the cdma network, thereby location service in two kinds of networks and mobile positioning center provide unified management, operation and billing function.
As shown in Figure 4, according to standard commonly used, the location service LS2 among the CDMA uses the SPACCESS agreement to insert local location access subsystem 300, and local location access subsystem 300 uses the L1 agreement to insert the mobile positioning center MPC2 of cdma network.Simultaneously, the interface protocol API1 that keeps position relevant device in the existing GSM network is constant, location service LS1 in the GSM network inserts local location access subsystem 20 by the API1 agreement, and local location access subsystem 300 inserts the mobile positioning center MPC1 of GSM network by the API1 agreement.Local location access subsystem 300 carries out necessary operations such as authentication, authentication and charging according to this service provider's standard.
Thus, the invention provides a kind of method that positioning service can be provided in the mobile communication system of using the different agreement type, comprise mobile positioning center separately in each mobile communication system, the invention provides location, this locality access subsystem that each system in the mobile communication system of using the different agreement type all can insert, this method comprises the steps:
One in the mobile communication system of use different agreement type to location, this locality access subsystem transmission location request message; Location request message is to follow the protocol type of its affiliated mobile communication system;
Local location access subsystem receiving position request message is also judged its protocol type, and select the corresponding mobile centre of location according to protocol type;
The interface protocol that local location access subsystem is supported according to mobile positioning center is constructed corresponding location-based service message, and is sent to the corresponding mobile centre of location;
Mobile positioning center receiving position service message, and then produce the position response message and send to local location access subsystem;
Local location access subsystem receives the position response message from mobile positioning center, according to the protocol type dislocation response message of the location request message that is received before, and the location request message before responding.
For example, between GSM and these two kinds of networks of CDMA, the workflow of method of the present invention is as follows, is flow charts of its work with reference to figure 5.
Step a), local location access subsystem 300 is pre-configured to connect the protocol type that mobile positioning center is supported.Such as, mobile positioning center MPC1 is the mobile positioning center that is used for GSM, uses the API1 agreement, mobile positioning center MPC2 is the mobile positioning center that is used for CDMA, uses the L1 agreement.
Step b), location service uses SPACCESS agreement (cdma network) or API1 agreement (GSM network) to initiate location request message to location, this locality access subsystem 300, comprise the element that can directly or indirectly indicate protocol type in the message, each location request message is to follow the protocol type of its affiliated mobile communication system.
Step c), local location access subsystem 300 receives above-mentioned message, at first carries out XML and resolves (SPACCESS agreement and API1 agreement are all described with XML), obtain can the presentation protocol type element, determine the protocol type of request message.Local location access subsystem 300 is (function of location, this locality access subsystem 200 in authentication, authentication work and the cdma network of the prior art is identical, just no longer detailed description here) after carrying out work such as necessary authentication, authentication.Afterwards, running fix access subsystem 300 is according to the protocol type of request message, in conjunction with the protocol type information that pre-configured mobile positioning center is supported, select the corresponding mobile centre of location, for example, for being judged as the message of using the SPACCESS agreement, illustrate that it is from cdma network, select running fix for it and insert center MPC2, and to being judged as the message of using the API1 agreement, illustrate that it is from the GSM network, select running fix for it and insert center MPC1.
Step d), the protocol type that local location access subsystem 300 is supported according to mobile positioning center, the location-based service message of structure respective protocol type.And the location-based service message of being constructed sent to selected mobile positioning center.For example, for message, the source line need be used the message conversion of SPACCESS agreement to become to use the L1 agreement, and, also be to use the API1 agreement for message from the GSM network from cdma network.Be sent to the corresponding mobile centre of location after the location-based service message that the interface protocol of supporting according to mobile positioning center re-constructs.
Step e), mobile positioning center receiving position service message is carried out necessary information interaction with target MS afterwards, for the GSM network, can be with reference to the flow process of above-mentioned Fig. 1, and for cdma network, can carry out with reference to the flow process of above-mentioned Fig. 2.The concrete position fixing process of mobile positioning center in two kinds of communication networks and Fig. 1, prior art shown in Figure 2 are similar, no longer repeat specification here.After calculating, running fix access center obtains the position of target MS, and it is returned to local location access subsystem 300 as the position response message.
In step f), local location access subsystem 300 carries out necessary charging work earlier, and is identical in charging work and the prior art, no longer describes in detail here.Local afterwards location access subsystem 300 protocol types according to the location request message in step b), above-mentioned position response message is changed accordingly, for example, for cdma network, the position response message of L1 type to be converted to the message of SPACCESS, for the GSM network, then can directly use the message of API1 agreement.
In step g), the position response message after the conversion is returned to location service.Finish position fixing process.
The present invention inserts the method for mobile positioning center by a kind of location service is provided, make same local location access subsystem can be used to use the mobile radio communication of different agreement type, the location positioning in cdma network and the GSM network for example, and unified authenticate, functions such as authentication and charging, thereby reducing the construction costs, management cost and maintenance cost.
The foregoing description provides to being familiar with the person in the art and realizes or use of the present invention; those skilled in the art can be under the situation that does not break away from invention thought of the present invention; the foregoing description is made various modifications or variation; thereby protection scope of the present invention do not limit by the foregoing description, and should be the maximum magnitude that meets the inventive features that claims mention.
Claims (7)
1. method that positioning service can be provided in the mobile communication system of using the different agreement type, comprise mobile positioning center in the described mobile communication system, it is characterized in that, location, this locality access subsystem that provides each system in the mobile communication system of a described use different agreement type all can insert, described method comprises the steps:
One in the mobile communication system of described use different agreement type to described local location access subsystem transmission location request message; Described location request message is to follow the protocol type of its affiliated mobile communication system;
Local location access subsystem receiving position request message is also judged its protocol type, and select the corresponding mobile centre of location according to protocol type;
The interface protocol that local location access subsystem is supported according to described mobile positioning center is constructed corresponding location-based service message, and is sent to the corresponding mobile centre of location;
Mobile positioning center receiving position service message, and then produce the position response message and send to local location access subsystem;
Local location access subsystem receives the position response message from mobile positioning center, changes described position response message according to the protocol type of the location request message that is received before, and the location request message before responding.
2. the method for claim 1 is characterized in that, the described selection corresponding mobile centre of location is combined in the protocol type that pre-configured mobile positioning center is supported in the access subsystem of local location and selects.
3. the method for claim 1 is characterized in that, the mobile communication system of described use different agreement type comprises CDMA and GSM mobile radio communication.
4. method as claimed in claim 3 is characterized in that, the location request message that described local access subsystem receives is to follow the SPACCESS agreement from the location request message of cdma network.
5. method as claimed in claim 3 is characterized in that, the location request message that described local access subsystem receives is to follow the API1 agreement from the location request message of GSM network.
6. method as claimed in claim 3, it is characterized in that, the interface protocol that described local location access subsystem is supported according to mobile positioning center is constructed in the corresponding location-based service message, for the location request message from cdma network, described mobile positioning center uses L1 agreement construction location service message.
7. method as claimed in claim 3, it is characterized in that, the interface protocol that described local location access subsystem is supported according to mobile positioning center is constructed in the corresponding location-based service message, disappear for the position requests from the GSM network, described mobile positioning center uses API1 agreement construction location service message.
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| CNA2005100264392A CN1874589A (en) | 2005-06-03 | 2005-06-03 | Method for providing location service in mobile communication system |
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| CN103675836A (en) * | 2012-09-06 | 2014-03-26 | 中兴通讯股份有限公司 | Multi-module multi-standby auxiliary global positioning method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103675836A (en) * | 2012-09-06 | 2014-03-26 | 中兴通讯股份有限公司 | Multi-module multi-standby auxiliary global positioning method and device |
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Assignee: China Telecom Co., Ltd. Assignor: China United Communication Co., Ltd. Contract fulfillment period: 2008.7.27 to 2028.5.21 contract change Contract record no.: 2008990000845 Denomination of invention: Method for providing location service in mobile communication system License type: General permission Record date: 20081020 |
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Free format text: COMMON LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.7.27 TO 2028.5.21; CHANGE OF CONTRACT Name of requester: CHINA TELECOMMUNICATIONS GROUP CO.,LTD. Effective date: 20081020 |
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Open date: 20061206 |