CN1735267A - Method for providing position information in communication network and position service system - Google Patents
Method for providing position information in communication network and position service system Download PDFInfo
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- CN1735267A CN1735267A CN 200410059160 CN200410059160A CN1735267A CN 1735267 A CN1735267 A CN 1735267A CN 200410059160 CN200410059160 CN 200410059160 CN 200410059160 A CN200410059160 A CN 200410059160A CN 1735267 A CN1735267 A CN 1735267A
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Abstract
This invention discloses a method and system to provide position information in communication network. Wherein, the system comprises a first position business process center and a connected second position business process center to provide service for user in covered zone. The method comprises: the user sends position request to the second center by network; the second center decides whether the user is local or cruised; if on local, the second center completes the business and responses to the request; or else, the second center communicates with the first center, the latter processes the opposite business, and the second center returns response to user.
Description
Technical field
The present invention relates to the positional information technology in the communication network, relate in particular to a kind of method and position service system that positional information is provided in communication network.
Background technology
Consult position service system shown in Figure 1, this system is the independent position service platform that is based upon on the CDMA basic network, adopt and concentrate the plan of establishment, promptly build the logic function node of a cover position service system, focus on the location-based service of (as the nationwide) in the whole communication network in the general headquarters of network system.Whole position service system comprises following four parts:
1, mobile positioning center (MPC): have the access authentication, authentication inspection, user management of user and CP, the normal place service interface be provided and functions such as charging, Operation ﹠ Maintenance System are provided for content service.In addition, also comprise the special-purpose SMS platform of a cover location-based service, the assisted location service system works.
2, position service system middleware (LCS): the function of mainly finishing the GIS gateway.
3, navigation system: the location of mobile station of finishing based on CDMA location protocol IS-801-1 calculates.
4, accounting module: finish charging collection, wholesale price, function such as professional detailed single is provided.
The user uses positioning service that three kinds of access waies are arranged, and is respectively the brew mode, wap mode and www mode.After the user inserted, Location Request after the MPC of general headquarters finishes authentication, and utilized navigation system to finish Location Request by the MPC of data network to general headquarters, and the restoring to normal position result.
The shortcoming that this employing centralized system is handled location-based service is that when certain zone is in great demand to positioning service the MPC of general headquarters can not fully satisfy positioning service.
Summary of the invention
The invention provides a kind of method and position service system that positional information is provided in communication network, have the problem that can't fully satisfy a large amount of positioning service in certain zone in the prior art to solve.
Realize technical scheme of the present invention:
A kind of method that positional information is provided in communication network, described communication network comprises the primary importance business processing center that can be user-provided location service in the whole network, with the interconnected second place business processing center of first mobile positioning center, this second place business processing center is the user-provided location service in the institute overlay area; This method comprises the steps:
A, this area intra domain user are initiated Location Request;
B, described Location Request is triggered to second place business processing center by network;
C, second place business processing center judge that the user who initiates Location Request is local user or roamer, if be the roamer, then carry out step D,, then finish corresponding location service processing and carry out the Location Request response by second place business processing center if be the local user;
D, second place business processing center and first mobile positioning center carry out communication, and finish corresponding Location Request by the primary importance business processing center and handle;
E, second place business processing center are returned corresponding Location Request response according to the result of primary importance business processing center to the user.
A kind of position service system comprises the primary importance business processing center of the user-provided location service that can be in the whole communication network; Wherein, described position service system also comprises the second place business processing center interconnected with the primary importance business processing center, and this second place business processing center is the user-provided location service in the institute overlay area; Described second place business processing center when receiving roamer's Location Request and the primary importance business processing center set up communication, finish by the primary importance business processing center that data service is handled and return response by second place business processing center to the user.
The present invention has following beneficial effect:
1, application in the whole network and local application can use unified IP that service is provided, and be transparent fully concerning the user.
2, existing user terminal does not make any changes the local application system of seamless access.
3, local application is transparent fully to the roamer, does not need additionally to be provided with and to change, and helps the local system expansion.
4, set up the zone with local MPC, can be quicker, stable positioning service is provided, can bring best impression and optimal service is provided to the user.
5, help carrying out local the application, help market expansion in the area that provides the whole network to use.
Description of drawings
Fig. 1 is the position service system structural representation in the CDAM network;
Fig. 2 is a flow chart of the present invention;
Fig. 3 is the networking schematic diagram of location service processing center.
Embodiment
Present embodiment is that the present invention will be described for example with the cdma communication network.
The present invention has realized on the basis of the whole network location service application in the primary importance business processing center of position service system shown in Figure 1, set up second place Business Processing branch center (or claiming location service to handle the branch center) in zones of different, cooperate by the business of primary importance business processing center with second business processing center, provide location service by second business processing center for on-site local user, when the user roams into this second business processing center location, set up communication by second place business processing center and primary importance business processing center, provide location service for the roamer by the primary importance business processing center.
Can handle the location service in the whole nation as the primary importance business processing center according to business demand and traffic carrying capacity decision for the division in the zone, be the second place business processing center that the each province is set up in the zone with the province.For the few province of business demand, may be with a plurality of provinces as a zone.
According to the implementation of location service, the data communication bearer network of whole service after travelling carriage (MS) inserts mainly realized by the TCP/IP networking mode, finishes the communication between MS, website, business processing center, mobile signaling protocol net.Wherein the networking of TCP/IP mainly concentrates between MS, website, the business processing center three, realizes triangular interaction.
Location service triggers and mainly to comprise: trigger the website, MS directly is triggered to by TCP/IP and is triggered to MPC again after mobile positioning center (MPC) and MS surf the Net by WAP.Wherein there are the MPC (to call the MPC of general headquarters in the following text) of primary importance business processing center and the MPC (hereinafter to be referred as local MPC) of second place business processing center in Business Processing and data center.
Consult shown in Figure 2ly, second place business processing center is as follows to the main processing procedure of user positioning request:
Step 10, travelling carriage insert UNICOM's IP network and send Location Request with TCP/IP by PDSN.
Step 20, business data packet arrive local MPC by the IP route.
Step 30, local MPC application layer are carried out phone number analysis (comprising with signaling network mutual) and are judged whether to be the local user, if then carry out step 40, otherwise carry out steps 50.
Step 40, directly handle the back and carry out position request response, and finish business to MS at local MPC.
Step 50, local MPC and the MPC of general headquarters set up communication, carry out data service by the MPC of general headquarters and handle, and comprise and finish subscription authentication and localization process, then to local MPC return results.
Step 60, MS is made service response by local MPC.
For the business of being initiated by the website, handling process is similar, and just website elder generation and local MPC carry out alternately, send instructions to MS by special short message, MS carries out the MPC localization process after agreeing the location again, processing is informed the website with the locator data result after finishing, and finishes positioning service.
Second place business processing center comprises mobile positioning center, first and second network equipments.
Consult shown in Figure 3ly, mobile positioning center is local MPC, and first network equipment is router R1, and second network equipment is router R2.Router R1 directly links to each other with a network segment by switch with R2.MS connects local MPC by router R1 by network after PDSN inserts, local MPC is connected by the VPN network with the MPC of general headquarters.
In this networking structure, the local service network is a network center with the local service processing center, and it has travelling carriage (MS), website and three of the MPC of general headquarters to outreach outlet, the inner data interaction that needs simultaneously to finish with PDE.MS, website (being internet), this province MPC and four professional reference points of the MPC of general headquarters pass through the network interconnection intercommunication, local MPC provides service with a certain specific I P address in the communication network to MS to MS, and the interconnection communication between realization and the MPC of general headquarters; Provide service with a certain legal public network IP address to each ISP website to INTERNET simultaneously.To MS, no matter local user or roamer can both provide transparent location service service.Even the roamer of general headquarters sends the service request that purpose IP is general headquarters MPC address, also the IP packet must be routed to local MPC handles earlier, mutual by local MPC and the MPC of general headquarters, provide transparent location service service with the name of the MPC of general headquarters to roaming MS by local MPC again.To the local user, then directly provide business service by local MPC.
According to application demand, the address of central host need be converted to different service IP to different service objects.For hiding the actual address of MPC main frame, before MPC main frame access network, carry out the primary address conversion earlier.As shown in Figure 2, carry out address transition at the outer connector E1 interface of router R2, local MPC and the MPC of general headquarters externally serve with unified IP address.
Outside router R1, carry out network address address transition (NAT) on the connector E0.Conversion herein has two layers of meaning: the purpose IP of the Location Request bag that (1) roamer sends is the address of the MPC of general headquarters (address of the MPC of general headquarters is exactly in fact first business processing center), just can arrive local MPC in this address (i.e. the address of second business processing center) that must transfer local MPC to earlier with the limit and handle; (2) simultaneously, after mutual with the MPC of general headquarters, local MPC also needs to be converted to the address of the MPC of general headquarters so that transparent service to be provided to the user with the response message that local MPC address returns to roaming MS.Therefore, router R1 carries out
The bi-directional conversion of packet rs destination and source address.
The concrete processing procedure of second place business processing center is as follows:
It is the Location Request of the MPC of general headquarters that roaming MS sends destination address; At the E0 of router R1 mouth the destination address in the Location Request is converted to the IP address of local MPC, and then is routed to router R2; In router R2, the subnet of ip address that the purpose IP address of packet is converted into local MPC once more arrives local MPC main frame.
The respond packet that local MPC sends and to the packet of the MPC of general headquarters when passing through the E1 mouth of router R2, the source address in the bag is sent after all being converted into the IP address of local MPC.Before router R1 arrives MS, the source address in router R1 place will wrap is converted to the IP of the MPC of general headquarters once more, thereby provides transparent service to MS to the respond packet returned of roaming MS.
Though above-mentionedly only describe with a second place business processing center, be not limited to one, can be for a plurality of, its working method is identical with interconnected network mode.
Claims (10)
1, a kind of method that positional information is provided in communication network, described communication network comprises the primary importance business processing center that can be user-provided location service in the whole network, with the interconnected second place business processing center of first mobile positioning center, this second place business processing center is the user-provided location service in the institute overlay area; This method comprises the steps:
A, this area intra domain user are initiated Location Request;
B, described Location Request is triggered to second place business processing center by network;
C, second place business processing center judge that the user who initiates Location Request is local user or roamer, if be the roamer, then carry out step D,, then finish corresponding location service processing and carry out the Location Request response by second place business processing center if be the local user;
D, second place business processing center are transmitted Location Request to first mobile positioning center, finish corresponding Location Request by the primary importance business processing center and handle;
E, second place business processing center are returned corresponding Location Request response according to the result of primary importance business processing center to the user.
2, the method for claim 1 is characterized in that, the triggering mode that Location Request is triggered to second place business processing center comprises: trigger after triggering, surf the Net by the direct triggering of TCP/IP with by WAP by the website again.
3, method as claimed in claim 1 or 2 is characterized in that, the described first and second location service processing centers with unified address to the user-provided location service.
4, method as claimed in claim 3, it is characterized in that, among the step B, be the Location Request of primary importance business processing center address, by network address translation apparatus the destination address in this Location Request be converted to the IP address of second place business processing center earlier for destination address.
5, method as claimed in claim 4, it is characterized in that, second place business processing center is converted to the source address in this respond packet by network address translation apparatus the IP address of primary importance business processing center before the respond packet that the roamer returns arrives the user.
6, method as claimed in claim 4 is characterized in that, described Location Request is before arriving second place business processing center, and the purpose IP address in this Location Request is converted into the subnet address of second place business processing center; Correspondingly, be converted into the IP address of second place business processing center in the packet that sends of second place business processing center as the subnet address of source address.
7, method as claimed in claim 3 is characterized in that, described communication network is a cdma network.
8, a kind of position service system comprises the primary importance business processing center of the user-provided location service that can be in the whole communication network; It is characterized in that described position service system also comprises the second place business processing center interconnected with the primary importance business processing center, this second place business processing center is the user-provided location service in the institute overlay area; Described second place business processing center when receiving roamer's Location Request and the primary importance business processing center set up communication, finish by the primary importance business processing center that data service is handled and return response by second place business processing center to the user.
9, position service system as claimed in claim 8 is characterized in that, described second place business processing center is a plurality of.
10, position service system as claimed in claim 8 or 9 is characterized in that described second place business processing center comprises:
Mobile positioning center is used for the user is carried out authentication and management, and provides the normal place service interface for content service;
First network equipment, be connected with described mobile positioning center, the subnet address that destination address in the packet of described mobile positioning center is converted to this mobile positioning center will be mail to, correspondingly, the source address in the packet that mobile positioning center is sent is converted to the IP address that second place business processing center externally provides service;
Second network equipment, be connected with described first network equipment, with the primary importance business processing center address transition as destination address in the Location Request is second place business processing center address, correspondingly, the source address of second place business processing center in the respond packet that the user of this initiation Location Request returns is converted to primary importance business processing center address.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB200410059160XA CN100373987C (en) | 2004-08-11 | 2004-08-11 | Method for providing position information in communication network and position service system |
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| CNB200410059160XA CN100373987C (en) | 2004-08-11 | 2004-08-11 | Method for providing position information in communication network and position service system |
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| CN1735267A true CN1735267A (en) | 2006-02-15 |
| CN100373987C CN100373987C (en) | 2008-03-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101917721A (en) * | 2010-08-16 | 2010-12-15 | 中兴通讯股份有限公司 | Regional access platform, mobile positioning method and system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5659544A (en) * | 1994-10-17 | 1997-08-19 | Lucent Technologies Inc. | Method and system for distributed control in wireless cellular and personal communication systems |
| EP1188339B1 (en) * | 1999-06-24 | 2004-11-24 | Hewlett-Packard Development Company, L.P. | Method and system for providing telecommunication services across networks that use different protocols |
| DE60026268T2 (en) * | 2000-10-20 | 2006-10-12 | Nortel Networks Ltd., St. Laurent | Technology for notifying mobile devices using geographic coordinates |
| CN1293766C (en) * | 2002-10-22 | 2007-01-03 | 华为技术有限公司 | Position service full networking system and realizing method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101917721A (en) * | 2010-08-16 | 2010-12-15 | 中兴通讯股份有限公司 | Regional access platform, mobile positioning method and system |
| WO2012022138A1 (en) * | 2010-08-16 | 2012-02-23 | 中兴通讯股份有限公司 | Region access platform, mobile positioning method and system |
| CN101917721B (en) * | 2010-08-16 | 2014-09-10 | 中兴通讯股份有限公司 | Regional access platform, mobile positioning method and system |
| US8887244B2 (en) | 2010-08-16 | 2014-11-11 | Zte Corporation | Region access platform for providing a positioning result to a positioning client, a mobile positioning method of the region access platform, and a mobile positioning system comprising the region access platform, a mobile positioning center and a Position Determining Entity |
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| CN100373987C (en) | 2008-03-05 |
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Granted publication date: 20080305 |