CN101938692A - Location information management method, platform and system - Google Patents
Location information management method, platform and system Download PDFInfo
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Abstract
The invention provides location information management method, platform and system, and relates to the field of mobile communication. The location information management method for a mobile terminal comprises the steps of: sending a charging message including a user ID and base station ID information of the mobile terminal by a P-I gateway to an AAA server and the location management platform after the mobile terminal establishes PPP (Point-to-Point Protocol) connection with a network through the P-I gateway; obtaining the user ID and base station ID information of the mobile terminal by the location management platform from the received charging message; searching a geographical location description corresponding to the base station ID in a base station geographical database by the location management platform; binding the geographical location descriptions corresponding to the user ID and the base station ID by the location management platform, and storing in a user/location database for offering the location information of the mobile terminal for users requesting a location business. The invention can provide required user location information services for various applications requiring the location information.
Description
Technical field
The present invention relates to moving communicating field, particularly relate to a kind of positional information managing method, platform and system.
Background technology
LBS (Location Based Service, location-based service) has become a kind of important valued added applications in the mobile Internet.The positional information of portable terminal can not only provide self-contained navigation and peripheral information services function based on map resource for the mobile subscriber, can also be numerous ICP (Internet Content Provider, the ICP) and ISP (InternetService Provider, ISP) geographical position according to the Internet mobile subscriber provides all kinds of individualized content service ability, as: personalized search result, localized news, peripheral service for life information, network accurate marketing etc.As Virtual network operator, under the full-service management environment, especially use in the face of all kinds of 3G, how to extract mobile location information, and provide the general location information service of opening to all kinds of the Internet ISP/ICP that need location-based service, will experience developing novel mobile Internet and use, promote the mobile subscriber, improve the related industry chain and play important facilitation.
At present, there has been a large amount of navigation systems among the mobile network, the localization method that adopts mainly comprises: several main modes such as location, base station, GPS (Global Positioning System, global positioning system) location, A-GPS (Assisted GPS, assistant GPS) location.These several modes cut both ways with positioning accuracy is different with timeliness.In general, the main application purpose of these systems is to provide determining self geographical position for mobile phone users.These locate modes require high to precision, system real time, need the mobile phone terminal support simultaneously.
May there be two class problems in existing system.The one, the whole LBS industrial structure all the time can't be ripe: the operator aspect is because of technical sophistication and equipment input cost height, and service tariff is high; Customer-side causes because of terminal cost and rate are overweight and uses wish to descend; Then because of use the very few a series of vicious circles such as can't get a profit of number of users from personalized service, the whole LBS industrial structure all the time can't be ripe in the ICP aspect.The 2nd, ignored mobile Internet use in the wilderness demand of ICP/ISP location information, great majority show as low positioning accuracy, low real-time, terminal Hypomobility in this class demand, as weather, local information, social service, the personalized service ability of local service for life after obtaining positional information of mobile subscriber.
Summary of the invention
The objective of the invention is to propose a kind of positional information managing method, platform and system, be the user-provided location information service.
For achieving the above object, the invention provides a kind of positional information managing method of portable terminal, comprise: after described portable terminal is set up PPP by P-I gateway and network and is connected, described P-I gateway sends charging message to aaa server and location management platform, comprises described mobile terminal user sign and base station identification information in the described charging message; Described location management platform obtains described mobile terminal user sign and base station identification information from the charging message that receives; Described location management platform is searched the geographical position of described Base Station Identification correspondence and is described in the geographical data bank of base station; Described location management platform geographical position that described user ID is corresponding with described Base Station Identification is described and is bound, and is stored in and thinks in user/location database that location service request user provides the positional information of described portable terminal.
In one embodiment, under described portable terminal and network keep situation that described PPP is connected, described positional information managing method also comprises: described P-I gateway continues to send charging message to described aaa server and described location management platform with predetermined time interval, and described charging message comprises the base station identification information of described portable terminal.
In one embodiment, under described portable terminal and network keep situation that described PPP is connected, when move between different base stations the position of described portable terminal, and when the switching between the described different base station occurred in the same described P-I gateway, described positional information managing method also comprises: described location management platform obtained new base station identification information from the described charging message that receives; Described location management platform compares described new base station identification information and the last base station identification information of obtaining; When described new base station identification information and the last base station identification information of obtaining not simultaneously, described location management platform is searched the geographical position of described new Base Station Identification correspondence and is described in the geographical data bank of base station; Described location management platform is described according to the geographical position of described new Base Station Identification correspondence described user/location database is upgraded.
In one embodiment, when described PPP connected disconnection, described positional information managing method also comprised: described P-I gateway sends the termination charging message to described aaa server and described location management platform; Described location management platform is nullified the relative recording of portable terminal described in described user/location database according to described termination charging message.
In one embodiment, search in the geographical data bank of base station at described location management platform before the geographical position description of described Base Station Identification correspondence, also comprise: described location management platform is inquired about the situation of the signatory location information services of described mobile terminal user according to described Base Station Identification and user totem information from customer data base; When the result of query subscriber database showed location information services signatory effective of described mobile phone users, described location management platform was defined as described mobile terminal user location information service is provided.
In one embodiment, described location management platform comprises for location service request user provides the positional information of described portable terminal: when location service request user when described location management platform sends the location service request, the described location service request of described location management platform response sends to described location service request user with the positional information of the described portable terminal in described user/location database; Or described location management platform regularly sends the positional information of portable terminal described in user/location database to certain location service request user.
For achieving the above object, the present invention also provides a kind of location management platform that is used for portable terminal, comprise: receiver module, be used for after described portable terminal is set up PPP by P-I gateway and network and is connected, receive the charging message that described P-I gateway sends, comprise described mobile terminal user sign and base station identification information in the described charging message; Acquisition module is used for obtaining described mobile terminal user sign and base station identification information from the charging message that receives; The place information inquiry module is used for searching at the base station geographical data bank geographical position description of described Base Station Identification correspondence; Memory module is used for geographical position that described user ID is corresponding with described Base Station Identification and describes and bind, and is stored in and thinks in user/location database that location service request user provides the positional information of described portable terminal.
In one embodiment, described location management platform also comprises: signatory situation enquiry module, be used for according to described Base Station Identification and user totem information, the situation of the signatory location information services of the described mobile terminal user of inquiry from customer data base, when the result of query subscriber database showed location information services signatory effective of described mobile phone users, described location management platform was defined as described mobile terminal user location information service is provided.
In one embodiment, described location management platform also comprises: positional information provides module, be used for when location service request user when described location management platform sends the location service request, respond described location service request, the positional information of the described portable terminal in described user/location database is sent to described location service request user, or regularly send the positional information of portable terminal described in user/location database to certain location service request user.
For achieving the above object, the present invention also provides a kind of position service system that is used for portable terminal, comprise: the P-I gateway, be used for after described portable terminal and network are set up PPP and be connected, obtain described mobile terminal user sign and base station identification information, and send the charging message that comprises described mobile terminal user sign and base station identification information; The location management platform, be used to receive the described charging message that described P-I gateway sends, from the described charging message that receives, obtain described mobile terminal user sign and base station identification information, searching the geographical position of described Base Station Identification correspondence in the geographical data bank of base station describes, geographical position that described user ID is corresponding with described Base Station Identification is described and is bound, and is stored in and thinks in user/location database that location service request user provides the positional information of described portable terminal.
In one embodiment, under described portable terminal and network keep situation that described PPP is connected, described P-I gateway continues to send charging message to aaa server and described location management platform with predetermined time interval, and described charging message comprises the base station identification information of described portable terminal.
In one embodiment, under described portable terminal and network keep situation that described PPP is connected, when move between different base stations the position of described portable terminal, and when the switching between the described different base station occurs in the same described P-I gateway, described location management platform obtains new base station identification information from the described charging message that receives, described location management platform compares described new base station identification information and the last base station identification information of obtaining, when described new base station identification information and the last base station identification information of obtaining not simultaneously, described location management platform is searched the geographical position of described new Base Station Identification correspondence and is described in the geographical data bank of base station, described location management platform is described according to the geographical position of described new Base Station Identification correspondence described user/location database is upgraded.
In one embodiment, when described PPP connects disconnection, described P-I gateway sends the termination charging message to described aaa server and described location management platform, and described location management platform is nullified the relative recording of portable terminal described in described user/location database according to described termination charging message.
Based on technique scheme, the present invention only need only need unidirectional reception charging message just can realize the location, base station from the IP network one side extract location information of P-I gateway by the location management platform, and then the location of realizing portable terminal.The P-I gateway is for concentrating the mobile grouping field equipment of the core network of disposing, and the location management platform need not to visit the circuit domain equipment of dispersion.Embodiments of the invention are realized simple, and cost is low.The present invention requires low to portable terminal, user's portable terminal need not to support GPS, A-GPS function, as long as access internet just can be obtained its approximate location by the location management platform.And the present invention can guarantee basic accurate positioning, real-time.
Description of drawings
Accompanying drawing described herein is used to provide further explanation of the present invention, constitutes a part of the present invention.Illustrative examples of the present invention and explanation thereof only are used to explain the present invention, but do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation according to the application scenarios of the embodiment of the invention.
Fig. 2 is the flow chart according to the positional information managing method of the embodiment of the invention.
Fig. 3 is the flow chart of positional information managing method according to another embodiment of the present invention.
Fig. 4 is the flow chart according to the positional information managing method of further embodiment of this invention.
Fig. 5 is the flow chart according to the positional information managing method of further embodiment of this invention.
Fig. 6 is the structural representation according to the location management platform of the embodiment of the invention.
Fig. 7 is the structural representation of location management platform according to another embodiment of the present invention.
Fig. 8 is the structural representation according to the position service system of the embodiment of the invention.
Embodiment
With reference to the accompanying drawings the present invention is described in more detail, exemplary embodiment of the present invention wherein is described.In the accompanying drawings, identical label is represented identical or similar assembly or element.
Fig. 1 is the structural representation according to the application scenarios 100 of the embodiment of the invention.Application scenarios 100 comprises: public mobile network (PLMN, Public Land Mobile Network) grouping domain system 102, aaa server 112, location management platform 114, customer data base 116, base station geographical data bank 118, user/location database 120 and ICP/ISP server 122.
Public mobile network grouping domain system 102 comprises portable terminal (MS, MobileSubscriber) 104, base station transceiver system (BTS, Base Transceiver Station) 106, Packet Control Function unit (BSC/PCF, Base Station Controller/PacketControl Function) 108, wireless access network and packet switched public data network (PSPDN, Packet Switched Public Data Network) gateway device P-I gateway 110, as PDSN (Packet Data Serving Node, the grouping busihess data node), GGSN (Gateway General Packet Radio Service Support Node, ggsn) etc.P-I (Packet Domain-Internet Domain wherein, packet domain-the Internet domain) gateway 110 can obtain the Base Station Identification of portable terminal 104 by P-I gateway 110, and base station identification information is sent to aaa server 112 and location management platform 114 by charging message.
AAA (Authentication, Authorization and Accounting, verify, authorize and account) server 112, be used to verify the user identity and the spendable network service of portable terminal 104, serve to portable terminal 104 according to the authentication result open network, the consumption of 104 pairs of various network services of record portable terminal, and offer charge system.Aaa server 112 can be based on RADIUS (Remote Authentication Dial In User Service, remote customer dialing authentication system) agreement.
Base station position data storehouse 118 can be used for the Base Station Identification of memory mobile terminal 104 and the mapping relations in geographical position.Wherein, the description in geographical position can be longitude and latitude or text description etc.
User/location map database 120 can be used to store the mapping relations in online user's its corresponding geographical position of user ID.The location management platform can response position service request user by the request of ICP/ISP server 122 location information, from user/location map database 120 calling station information to offer location service request user.
Fig. 2 is the flow chart according to the positional information managing method 200 of the embodiment of the invention.
In step 202, set up PPP (Point toPoint Protocol at portable terminal by P-I gateway and network, point-to-point protocol) after the connection, the P-I gateway sends charging message to aaa server and location management platform, comprises mobile terminal user sign and base station identification information in the charging message.
In step 204, the location management platform obtains mobile terminal user sign and base station identification information from the charging message that receives.
In step 206, the location management platform is searched the geographical position of Base Station Identification correspondence and is described in the geographical data bank of base station.
In step 208, location management platform geographical position that user ID is corresponding with Base Station Identification is described and is bound, and is stored in and thinks in user/location database that location service request user provides the positional information of portable terminal.
According to one embodiment of present invention, can obtain the base station identification information of user's portable terminal, and then obtain the positional information of base station by the location management platform.By user bound sign and positional information, can need the application of positional information that its required customer position information service is provided to all kinds of.
Fig. 3 is the flow chart of positional information managing method 300 according to another embodiment of the present invention.
In step 302, portable terminal is set up PPP by P-I gateway and network and is connected.For example, when the user started the online flow process by portable terminal, the ppp protocol bag that portable terminal sends can arrive the P-I gateway by radio open or RAN (Radio Access Network, wireless access network) back.The P-I gateway is according to user's request, to the aaa server request authentication.By after the authentication of aaa server, this portable terminal can be assigned with the IP address, and sets up PPP with network and be connected.
Such as at CDMA2000 1x EV-DO 3G (Code Division MultipleAccess, Evolution, Data Only CDMA 2000 1x evolution) in the system, when the surfing Internet with cell phone of a support CDMA2000 3G is visited the WEB website, after the user imports the WWW address of certain ICP, mobile phone will start the PPP session with P-I gateway (as PDSN equipment).At first, portable terminal can be set up the connection of eating dishes without rice or wine with AN (Access Network, Access Network), and sets up A8 and A10 data link respectively along PCF, PDSN.Wherein, AN refers to the wireless access mesh portions of EV-DO, comprises base station (BTS), base station controller (BSC) and associated transport link.Interface between BTS and PCF is A8 and A9 interface, and wherein A9 is a signaling interface, and A8 is a data-interface.When BTS and PCF merging deployment, A8/A9 becomes internal interface.Interface between PDSN and PCF is A10 and A11 interface, and wherein A11 is a signaling interface, and A10 is a data-interface.In the identifying procedure of the IP control protocol of PPP subsequently, PDSN can send username and password into aaa server.After the authentication (as the Radius authentication) by aaa server, portable terminal can obtain operator's IP address allocated and set up PPP to connect, and the user just can visit the WEB website like this.
In step 304, after portable terminal is set up PPP by P-I gateway and network and is connected, the P-I gateway sends charging message to aaa server and location management platform, such as the beginning charging message, beginning can comprise important Access Network parameters such as the user ID, portable terminal assigned IP address, base station identification information, PCF address of portable terminal such as IMSI (International MobileSubscriber Identity, international mobile subscriber identity) number in the charging message.Under portable terminal and network keep situation that PPP is connected, the P-I gateway can also continue to send charging message to aaa server and location management platform with predetermined time interval, such as the Intermediate Charging ICH message, the Intermediate Charging ICH message still can carry the base station identification information of portable terminal.
In step 306, the location management platform obtains mobile terminal user sign and base station identification information from the charging message that receives.For example, the location management platform can parse mobile terminal user sign and base station identification information from the beginning charging message that receives for the first time, also can parse the base station identification information of portable terminal from middle charging message.
In step 308, the location management platform is according to Base Station Identification and user totem information, the situation of the signatory location information services of the user of enquiry mobile terminal from customer data base.
In step 310, when the result of query subscriber database showed location information services signatory effective of mobile phone users, the location management platform was defined as mobile terminal user location information service is provided.The location management platform can be searched the geographical position of Base Station Identification correspondence and describe in the geographical data bank of base station.The geographical position is described and can be forms such as longitude and latitude, text description or special geography is position encoded.
In step 312, the geographical position that the location management platform is corresponding with Base Station Identification with user ID is described and is bound, and is stored in user/location database.
In step 314, the location management platform provides the positional information of portable terminal for location service request user.In one embodiment, when location service request user (as ICP or ISP) when the location management platform sends the location service request, the request of location management platform response location service sends to location service request user with the positional information of in user/location database or a collection of portable terminal.In another embodiment, the location management platform can be regularly sends in user/location database the positional information of or a collection of appointment portable terminal to certain location service request user.The location management platform can be supported the multiple interfaces agreement, as XML (eXtensibleMarkup Language, extend markup language), UDP (User DatagramProtocol, User Datagram Protoco (UDP)) message etc.In addition, the location management platform can support multiple positional information to express form, and can realize the requirement of requesting party about automatic format transformation, as longitude and latitude, text description, regional code etc.The location management platform can also come the control position required precision according to service definition, as territorial scope, service distribution scope etc., with effective protection user's privacy.
Such as, the user begins to visit ICP query site peripheral information, and as certain chain store's discount information, ICP obtains IP address.ICP can be according to this IP address to operator location management platform inquiring user online place.The location management platform checks that ICP is the ICP of partner, then accepts this request inquiring user/location database, and to this ICP home position information inquiry result.ICP releases the most close user's chain store and information on services thereof according to the user place of surfing the Net, and user experience is personalized fully, and provides service for it dynamically with the variation of customer location.
In step 316, when PPP connected disconnection, the P-I gateway sent the termination charging message to aaa server and location management platform.
In step 318, the location management platform is according to the relative recording of ending portable terminal in charging message logging off users/location database.Such as, the location management platform can be labeled as off-line with user online status after receiving and ending charging message, and relative recording is sent into historical data base preserve.
Fig. 4 is the flow chart according to the positional information managing method 400 of further embodiment of this invention.Positional information managing method 400 is under portable terminal and network keep situation that PPP is connected, and when move between different base stations the position of portable terminal, and the switching between the different base stations occurs in the positional information managing method of same P-I gateway when interior.
In step 402, the P-I gateway obtains new base station identification information.In positional information managing method 400, because the switching of base station occurs in the same P-I gateway, no matter whether BSC/PCF changes, and the PPP of portable terminal connects and will keep, and by BSC/PCF new Base Station Identification is reported to the P-I gateway.Such as, in CDMA2000 1x EV-DO 3G system, in one embodiment, when switching between the base station at same PCF, mobile switching centre will control handover operation, the generation that notification target base station (new base station) and source base station should switch.Target BS will send to PCF and eat dishes without rice or wine to connect the message of having set up, and notice PCF can use newly-established A8 to connect.Simultaneously, source base station will be notified this PCF cancellation to exist with A8 on the source base station to be connected, to finish the switching of data link.PCF sends A10 by the A11 signaling interface to PDSN and connects the parameter update, and this message has the Base Station Identification of target BS.In another embodiment, when under same PDSN, when switching between the base station between different PCF, mobile switching centre will control handover operation, the generation that notification target base station and source base station switch.At this moment, target BS and target P CF consult to set up A8 and are connected.After the A8 of target BS and target P CF was connected foundation, target BS sent message to target P CF and sends A10 connection parameter update to trigger target P CF to PDSN, until the new data channel of foundation from the target BS to PDSN.Simultaneously, source base station and source PCF consult to close its A8 and are connected.Target P CF sends its A10 to PDSN and connects the parameter message.
In step 404, the charging message that the P-I gateway will comprise new Base Station Identification sends to the location management platform.
In step 406, the location management platform obtains new base station identification information from the charging message that receives.
In step 408, the location management platform compares new base station identification information and the last base station identification information of obtaining.
In step 410, when new base station identification information and the last base station identification information of obtaining not simultaneously, the location management platform is searched the geographical position of new Base Station Identification correspondence and is described in the geographical data bank of base station.
In step 412, the location management platform is described according to the geographical position of new Base Station Identification correspondence user/location database is upgraded.
Fig. 5 is the flow chart according to the positional information managing method 500 of further embodiment of this invention.Positional information managing method 500 is under portable terminal and network keep situation that PPP is connected, when move between different base stations the position of portable terminal, and the positional information managing method of the switching between the different base stations when occurring between the different P-I gateways.
In step 502, the P-I gateway sends to the location management platform and ends charging message.Because the switching of base station occurs between the different P-I gateways, the original PPP of portable terminal connects and can therefore interrupt.
In step 504, the location management platform is according to the relative recording of ending portable terminal in charging message logging off users/location database.
In step 506, portable terminal starts new PPP and connects, and reenters the flow process as positional information managing method 300.
Fig. 6 is the structural representation according to the location management platform 600 of the embodiment of the invention.Location management platform 600 comprises: receiver module 602, acquisition module 604, place information inquiry module 606 and memory module 608.
Place information inquiry module 606 is used for searching at the base station geographical data bank geographical position description of Base Station Identification correspondence.
Fig. 7 is the structural representation of location management platform 700 according to another embodiment of the present invention.Location management platform 700 comprises: receiver module 702, acquisition module 704, place information inquiry module 706, memory module 708, signatory situation enquiry module 710 and positional information provide module 712.
Receiver module 702 is used for receiving the charging message that the P-I gateway sends after portable terminal is set up PPP by P-I gateway and network and is connected, and comprises mobile terminal user sign and base station identification information in the charging message.
Acquisition module 704 is used for obtaining mobile terminal user sign and base station identification information from the charging message that receives.
Place information inquiry module 706 is used for searching at the base station geographical data bank geographical position description of Base Station Identification correspondence.
Memory module 708 is used for geographical position that user ID is corresponding with Base Station Identification and describes and bind, and is stored in and thinks in user/location database that location service request user provides the positional information of portable terminal.
Signatory situation enquiry module 710, be used for according to Base Station Identification and user totem information, the situation of the signatory location information services of the user of enquiry mobile terminal from customer data base, when the result of query subscriber database showed location information services signatory effective of mobile phone users, the location management platform was defined as mobile terminal user location information service is provided.
Positional information provides module 712, be used for when location service request user when the location management platform sends the location service request, the response position service request, the positional information of the portable terminal in user/location database is sent to location service request user, or regularly send the positional information of portable terminal in user/location database to certain location service request user.
Fig. 8 is the structural representation according to the position service system 800 of the embodiment of the invention.Position service system 800 comprises P-I gateway 802 and location management platform 804.
Wherein, in one embodiment, under portable terminal and network kept situation that PPP is connected, P-I gateway 802 continued to aaa server and location management platform 804 transmission charging messages with predetermined time interval, and charging message comprises the base station identification information of portable terminal.
In another embodiment, under portable terminal and network keep situation that PPP is connected, when move between different base stations the position of portable terminal, and when the switching between the different base stations occurs in the same P-I gateway 802, location management platform 804 obtains new base station identification information from the charging message that receives, location management platform 804 compares new base station identification information and the last base station identification information of obtaining, when new base station identification information and the last base station identification information of obtaining not simultaneously, location management platform 804 is searched the geographical position of new Base Station Identification correspondence and is described in the geographical data bank of base station, location management platform 804 is described according to the geographical position of new Base Station Identification correspondence user/location database is upgraded.
In another embodiment, when PPP connects disconnection, P-I gateway 802 sends the termination charging message to aaa server and location management platform 804, and location management platform 804 is according to the relative recording of ending portable terminal in charging message logging off users/location database.
The present invention only needs the IP network one side extract location information of P-I gateway by the location management platform, only needs unidirectional reception charging message just can realize the location, base station, and then the location of realizing portable terminal.The P-I gateway is for concentrating the mobile grouping field equipment of the core network of disposing, and the location management platform need not to visit the circuit domain equipment of dispersion.Embodiments of the invention are realized simple, and cost is low.The present invention requires low to portable terminal, user's portable terminal need not to support GPS, A-GPS function, as long as access internet just can be obtained its approximate location by the location management platform.And the present invention can guarantee basic accurate positioning, real-time.Because base station location is clear and definite, the positional precision of portable terminal can be controlled in the base station range, and at densely inhabited district or indoor base station, positioning accuracy can be increased in 50 to 500 meters.Adjust the charging message transmission frequency of P-I gateway, perhaps take selectivity to trigger charging message and upgrade operation, to make system possess the ability that per minute refreshes a customer location, be equivalent to the user and move, satisfy most urban subscriber and move needs with 60 kilometers/hour speed.Realize embodiments of the invention, can not influence the operation flow of existing network, only need increase the location management platform, can not influence user's the normal network process of going up, do not change any operation of existing mobile network circuit domain and packet domain, do not change or increase the existing equipment function.The acquiring way of positional information is quick, by the location management platform, can need Web, WAP, weak point/multimedia message application and the sector application of positional information that position enquiring and Push Service ability are provided to all kinds of.
Description of the invention provides for example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present invention and practical application, thereby and makes those of ordinary skill in the art can understand the various embodiment that have various modifications that the present invention's design is suitable for special-purpose.
Claims (13)
1. the positional information managing method of a portable terminal is characterized in that, comprising:
After described portable terminal was set up PPP by P-I gateway and network and is connected, described P-I gateway sent charging message to aaa server and location management platform, comprised described mobile terminal user sign and base station identification information in the described charging message;
Described location management platform obtains described mobile terminal user sign and base station identification information from the charging message that receives;
Described location management platform is searched the geographical position of described Base Station Identification correspondence and is described in the geographical data bank of base station;
Described location management platform geographical position that described user ID is corresponding with described Base Station Identification is described and is bound, and is stored in and thinks in user/location database that location service request user provides the positional information of described portable terminal.
2. positional information managing method according to claim 1 is characterized in that, under described portable terminal and network kept situation that described PPP is connected, described positional information managing method also comprised:
Described P-I gateway continues to send charging message to described aaa server and described location management platform with predetermined time interval, and described charging message comprises the base station identification information of described portable terminal.
3. positional information managing method according to claim 2, it is characterized in that, under described portable terminal and network keep situation that described PPP is connected, when move between different base stations the position of described portable terminal, and when the switching between the described different base station occurred in the same described P-I gateway, described positional information managing method also comprised:
Described location management platform obtains new base station identification information from the described charging message that receives;
Described location management platform compares described new base station identification information and the last base station identification information of obtaining;
When described new base station identification information and the last base station identification information of obtaining not simultaneously, described location management platform is searched the geographical position of described new Base Station Identification correspondence and is described in the geographical data bank of base station;
Described location management platform is described according to the geographical position of described new Base Station Identification correspondence described user/location database is upgraded.
4. positional information managing method according to claim 1 is characterized in that, when described PPP connected disconnection, described positional information managing method also comprised:
Described P-I gateway sends the termination charging message to described aaa server and described location management platform;
Described location management platform is nullified the relative recording of portable terminal described in described user/location database according to described termination charging message.
5. positional information managing method according to claim 1 is characterized in that, searches in the geographical data bank of base station at described location management platform before the geographical position description of described Base Station Identification correspondence, also comprises:
Described location management platform is inquired about the situation of the signatory location information services of described mobile terminal user according to described Base Station Identification and user totem information from customer data base;
When the result of query subscriber database showed location information services signatory effective of described mobile phone users, described location management platform was defined as described mobile terminal user location information service is provided.
6. positional information managing method according to claim 1 is characterized in that, described location management platform comprises for location service request user provides the positional information of described portable terminal:
When location service request user when described location management platform sends the location service request, the described location service request of described location management platform response sends to described location service request user with the positional information of the described portable terminal in described user/location database; Or
Described location management platform regularly sends the positional information of portable terminal described in user/location database to certain location service request user.
7. a location management platform that is used for portable terminal is characterized in that, comprising:
Receiver module is used for receiving the charging message that described P-I gateway sends after described portable terminal is set up PPP by P-I gateway and network and is connected, and comprises described mobile terminal user sign and base station identification information in the described charging message;
Acquisition module is used for obtaining described mobile terminal user sign and base station identification information from the charging message that receives;
The place information inquiry module is used for searching at the base station geographical data bank geographical position description of described Base Station Identification correspondence;
Memory module is used for geographical position that described user ID is corresponding with described Base Station Identification and describes and bind, and is stored in and thinks in user/location database that location service request user provides the positional information of described portable terminal.
8. location management platform according to claim 7 is characterized in that, also comprises:
Signatory situation enquiry module, be used for according to described Base Station Identification and user totem information, the situation of the signatory location information services of the described mobile terminal user of inquiry from customer data base, when the result of query subscriber database showed location information services signatory effective of described mobile phone users, described location management platform was defined as described mobile terminal user location information service is provided.
9. location management platform according to claim 7 is characterized in that, also comprises:
Positional information provides module, be used for when location service request user when described location management platform sends the location service request, respond described location service request, the positional information of the described portable terminal in described user/location database is sent to described location service request user, or regularly send the positional information of portable terminal described in user/location database to certain location service request user.
10. a position service system that is used for portable terminal is characterized in that, comprising:
The P-I gateway is used for after described portable terminal and network are set up PPP and be connected, and obtains described mobile terminal user sign and base station identification information, and sends the charging message that comprises described mobile terminal user sign and base station identification information;
The location management platform, be used to receive the described charging message that described P-I gateway sends, from the described charging message that receives, obtain described mobile terminal user sign and base station identification information, searching the geographical position of described Base Station Identification correspondence in the geographical data bank of base station describes, geographical position that described user ID is corresponding with described Base Station Identification is described and is bound, and is stored in and thinks in user/location database that location service request user provides the positional information of described portable terminal.
11. position service system according to claim 10, it is characterized in that, under described portable terminal and network keep situation that described PPP is connected, described P-I gateway continues to send charging message to aaa server and described location management platform with predetermined time interval, and described charging message comprises the base station identification information of described portable terminal.
12. position service system according to claim 10, it is characterized in that, under described portable terminal and network keep situation that described PPP is connected, when move between different base stations the position of described portable terminal, and when the switching between the described different base station occurs in the same described P-I gateway, described location management platform obtains new base station identification information from the described charging message that receives, described location management platform compares described new base station identification information and the last base station identification information of obtaining, when described new base station identification information and the last base station identification information of obtaining not simultaneously, described location management platform is searched the geographical position of described new Base Station Identification correspondence and is described in the geographical data bank of base station, described location management platform is described according to the geographical position of described new Base Station Identification correspondence described user/location database is upgraded.
13. position service system according to claim 10, it is characterized in that, when described PPP connects disconnection, described P-I gateway sends the termination charging message to described aaa server and described location management platform, and described location management platform is nullified the relative recording of portable terminal described in described user/location database according to described termination charging message.
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