CN101132603A - Method and system for implementing user position locating in core network - Google Patents
Method and system for implementing user position locating in core network Download PDFInfo
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- CN101132603A CN101132603A CNA2006100371628A CN200610037162A CN101132603A CN 101132603 A CN101132603 A CN 101132603A CN A2006100371628 A CNA2006100371628 A CN A2006100371628A CN 200610037162 A CN200610037162 A CN 200610037162A CN 101132603 A CN101132603 A CN 101132603A
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Abstract
This invention discloses a method and a system for realizing locating of user positions of a core network including: a call session control function NE in a core network sends a request for getting position information of a terminal user to NE of an attribute user server, which inquires about related position information of the terminal user stored to send it to the call control function NE, or the call control function NE analyzes and gets the user position information according to information in the user message.
Description
Technical field
The present invention relates to the location technology of communication network, especially relate to the method and system that a kind of core network is realized the customer location location.
Background technology
At first introduce the location service of mobile communications network:
The location service of mobile communications network is mobile communication a kind of value-added service of quietly rising in recent years, obtain the positional information of target UE (UE) by certain technology, object UE refers to that the end user device that is positioned in the mobile communications network, positional information can be geographical latitude and longitude information, the positional information in local street etc.The positional information of obtaining can offer the object UE user, be used for self poisoning, or offer communication system itself, be used for the charging of subnetwork zone or operator's Operation and Maintenance function etc., or offer client's application end that other requests obtain this customer location, be used for value-added service.Therefore, location service is widely used at aspects such as emergency relief, automobile navigation and intelligent transportation system, scheduling and Team Management, mobile yellow pages inquiry, enhancing network performances.
In third generation partner program (3GPP), to the standard of location service, and aspects such as the functional mode of position service system, structure, state description and message flow are all described.
Along with the development of mobile communication technology, in 3GPP R5 version, introduced IP Multimedia System (IMS), IMS is a core network key-course, is separated by business control and carrying control, and abundant multimedia service is provided.Though IMS proposes at mobile communication, under the driving that realizes network integration hope, IMS has developed into the fixed network communications field.In the R6 of 3GPP, IMS has been defined as supporting the multimedia service core net of all IP Access Networks, it can support any mobile or fixing, wired or wireless network, comprise W-CDMA, CDMA2000, Ethernet, xDSL and WLAN (wireless local area network) etc., be commonly referred to as the IP Access Network (IP Connectivity Access Networks, IP-CAN).
When inserting IMS for fixed network, for obtaining terminal use's positional information, need obtain the IP Access Network, and need in IMS, increase a position and obtain function (Location Retrieval Function, LRF) entity, (Call Session Control Function, CSCF) entity expands the interface with the LRF entity to CSCF among the IMS, by LRF visit IP Access Network or CSCF directly visits the positional information that the IP Access Network obtains the terminal use.Therefore, when inserting IMS,, in IMS, increase the LRF entity simultaneously if the IP Access Network must be revised in the position of wanting locating end-user for fixed network.
When inserting IMS for wireless network, terminal use's positional information depends on end user device and provides, if terminal equipment does not provide its positional information, then can't obtain terminal use's positional information.
Summary of the invention
The objective of the invention is to propose a kind of core network and realize the method and system of customer location location,, realize the location of core network the terminal use that inserts by the IP access network with under the prerequisite of not revising the IP access network.
For addressing the above problem, the invention provides the method that a kind of core network is realized the customer location location, comprise the steps:
A. the CSCF network element in the core network sends the request of obtaining terminal user position information to the home subscriber server network element;
B. described home subscriber server network element receives described request, and the described terminal use's that inquiry is preserved relevant information is obtained described terminal use's positional information and sent to described CSCF network element.
Wherein, described step a is: described terminal use initiates in the registration process to core network, and described CSCF network element sends the request of obtaining terminal user position information to described home subscriber server network element.
Wherein, described terminal use is the non-registered users of core network, described step a is: described terminal use is in the process that core network makes a call, and described CSCF network element sends the request of obtaining terminal user position information to described home subscriber server network element.
Wherein, described terminal use inserts core network by fixed network, positional information on the described home subscriber server network element is obtained when the user is signatory,, perhaps be that the home subscriber server network element obtains to other network element inquiry perhaps for other network element sends to the home subscriber server network element.
Correspondingly, the present invention also provides a kind of core network to realize the method for customer location location, comprises the steps:
The position enlightenment information that CSCF network element in the core network is determined to carry in described terminal use's message;
Described CSCF network element is analyzed described position enlightenment information, obtains described terminal use's positional information.
Wherein, described position enlightenment information be meant the source IP address information of carrying in described terminal use's message or/and information of virtual local area network or/and the access IP interface message of CSCF network element.
Correspondingly, the present invention also provides a kind of core network to realize the system of customer location location, comprising:
The CSCF network element is used to initiate a request of obtaining terminal user position information;
The home subscriber server network element, after being used to receive described request, the described terminal use's that inquiry is preserved relevant information is obtained terminal use's positional information and is sent to described CSCF network element.
Wherein, described CSCF network element comprises the Proxy Call Session Control Function network element, is used for the position enlightenment information that definite described terminal use's message is carried, and analyzes described position enlightenment information, obtains described terminal use's positional information; Wherein, described position enlightenment information be meant the source IP address information of carrying in described terminal use's message or/and information of virtual local area network or/and the access IP interface message of CSCF network element.
Do not roam when wherein, described terminal use inserts described core network; Described positional information is the positional information on described terminal use's home subscriber server network element, this positional information is to be signed in to the home subscriber server network element when the user is signatory,, perhaps be that the home subscriber server network element obtains to other network element inquiry perhaps for other network element sends to the home subscriber server network element.
Correspondingly, the invention provides the system that a kind of core network is realized the customer location location, comprising:
The CSCF network element, information is enlightened in the position that is used for carrying by terminal use's message, and analyzes described position enlightenment information, parses described terminal use's positional information.
Wherein, described position enlightenment information be meant the source IP address information of carrying in described terminal use's message or/and information of virtual local area network or/and insert the IP interface message.
Compared with prior art, the present invention has following beneficial effect:
1. the present invention is under the prerequisite of not revising the IP access network, utilize the terminal use's of HSS network element preservation positional information, when core network need obtain terminal use's positional information, the CSCF network element sends the request of obtaining terminal user position information to the HSS network element, obtain terminal use's positional information, in the location that core network has been realized customer location, be convenient in communication network, carry out location service in comparatively simple mode;
2. further, even the user is when inserting core network by fixed network access or wireless network, do not preserve user position information or user on the HSS network element and do not provide its positional information to the HSS network element, then the CSCF network element is by the position enlightenment information in the message related to calls of resolving the terminal use and initiating, and the location to the user is realized in the on-position of judging the user.
Description of drawings
Fig. 1 is the first embodiment flow chart that core network of the present invention is realized the method for customer location location.
Fig. 2 is the second embodiment flow chart that core network of the present invention is realized the method for customer location location.
Fig. 3 is the 3rd embodiment flow chart that core network of the present invention is realized the method for customer location location.
Fig. 4 is the system schematic that core network of the present invention is realized the customer location location.
Embodiment
The present invention is under the situation of not revising IP access network (IP-CAN), utilize home subscriber server (the Home Subscriber Server in the core network (IMS), HSS) terminal use's of network element preservation positional information, when core network need obtain terminal use's positional information, CSCF in the core network (CSCF) network element sends the request of obtaining terminal user position information to described home subscriber server network element, the terminal use's that described home subscriber server network element inquiry is preserved relevant information, obtain terminal use's positional information and send to described CSCF network element, to realize the location of customer location at core network.
The described terminal use's who preserves on the described home subscriber server network element positional information, it can be signatory and be saved to described home subscriber server network element when the terminal use is signatory, also can be that other network element sends to described home subscriber server network element, also can be that described home subscriber server network element obtains to other network element inquiry.
Wherein, described user promptly refers to the terminal use, and a user or a terminal use are corresponding to an end user device that is positioned that inserts core network by the IP access network.
Described IP access network is divided into IP-based fixed network Access Network and IP-based wireless access network according to access way.
Please refer to Fig. 1, realize the first embodiment flow chart of the method for customer location location for disclosed core network.Present embodiment inserts core network for the terminal use by fixed network, and the terminal use is in the core network registration process, and described CSCF (CSCF) network element obtains the customer position information of preserving on the described home subscriber server network element.
Present embodiment specifically comprises the steps:
Step s101: Proxy Call Session Control Function (Proxy-CSCF, P-CSCF) the network element initiation register requirement of terminal use (UE) in core network;
Step s102:P-CSCF network element uses name server (Domain Name Server, DNS) terminal use's who comprises in the parsing register requirement home network information, obtain the query call conversation control function (Interrogating-CSCF corresponding with described terminal use's home network, I-CSCF) address of network element, and register requirement is forwarded to this I-CSCF network element;
Step s103:I-CSCF network element is to home subscriber server (HSS) network element inquiry terminal user's registration status information;
Step s104:I-CSCF network element obtains the service call conversation control function (Serving-CSCF, S-CSCF) address of network element that are assigned to the terminal use according to the information that the HSS network element returns;
Step s105:I-CSCF network element is transmitted to the S-CSCF network element with register requirement;
Step s106:S-CSCF NE Discovery the terminal use register first, gets the authentication collection to the HSS network element;
Step s107:HSS network element obtains authentication information according to inquiry, and authentication information is sent to the S-CSCF network element;
Step s108, step s109 and step s110:S-CSCF network element are carried out registration according to the authentication information that receives, and by the forwarding of I-CSCF network element, P-CSCF network element, return the authentication registration challenge message to the terminal use respectively;
Step s111: the terminal use is according to the authentication registration challenge message of receiving, the authentication response message of carrying is wherein initiated register requirement to the P-CSCF network element;
Step s112:P-CSCF network element is forwarded to the I-CSCF network element with register requirement;
Step s113:I-CSCF network element is to HSS network element inquiry terminal user's login state;
Step s114:I-CSCF network element is according to the information of returning, the address that obtains the S-CSCF network element that is assigned to the terminal use;
Step s115:I-CSCF network element is sent to the S-CSCF network element with register requirement;
After step s116:S-CSCF network element is received register requirement, and the request of use server assignment (ServerAssign Request, SAR) interface message is to HSS network element requesting terminal user contracting data and terminal use's accessing position information;
The request of step s117:HSS network element use server assignment (Server Assign Answer, SAA) interface message is returned terminal use's subscription data and terminal use's accessing position information to the S-CSCF network element;
Wherein, in the described SAA interface message, the interface message unit that needs carried terminal user contracting data of expansion and terminal use's accessing position information, such as be a carried terminal user contracting data and terminal use accessing position information property value to (Attribute Value Pair, AVP) or cell.
Step s118 to step s120:S-CSCF network element respectively by the forwarding of I-CSCF network element and P-CSCF network element, return authentication registration challenge responses message to the terminal use.
Please refer to shown in Figure 2ly, realize the second embodiment flow chart of the method for customer location location for disclosed core network.Present embodiment is:
A. the terminal use inserts core network by fixed network, the terminal use does not register to core network, be that the terminal use is that non-registered users is initiated the core network acceptable when calling out (such as urgent call) request, described CSCF (CSCF) network element obtains the customer position information of preserving on described home subscriber server (HSS) network element.
Present embodiment specifically comprises the steps:
Step s201: terminal use (UE) is to the request of making a call of P-CSCF network element;
The response of step s202:P-CSCF network element;
Step s203:P-CSCF network element is transmitted to the S-CSCF network element that can handle this calling in the pre-configured core network with call request;
The response of step s204:S-CSCF network element;
Step s205:S-CSCF network element SAR interface message by preserving terminal use's CAMEL-Subscription-Information in the inquiry HSS network element, is obtained terminal use's positional information to the request of HSS network element;
Step S206: if the HSS network element inquires terminal use's CAMEL-Subscription-Information, then will comprising terminal use's positional information send to the S-CSCF network element with the SAA interface message;
Wherein, the SAA interface message need expand the interface message unit of a carried terminal user position information.
Please refer to shown in Figure 3ly, realize the 3rd embodiment flow chart of the method for customer location location for disclosed core network.Present embodiment is: under the situation as if the positional information of not preserving the terminal use on the HSS network element, core network obtains resolves the position enlightenment information of carrying in the user terminal transmission message, obtains the positional information of user terminal.Therefore, present embodiment especially at the user who inserts core network by Radio Access Network, certainly, also can be suitable for the user who inserts core network by fixed network.
Present embodiment specifically comprises following performing step:
Step s301 and step s302, corresponding diagram 2 described step s201 are to step s202, no longer enumeration respectively;
At this moment, P-CSCF network element execution in step s303 obtains terminal use's positional information:
The terminal use's that the P-CSCF network element is received according to step s301 call request message is resolved the position enlightenment information that comprises in this call request message, thereby obtains terminal use's positional information.
Described position enlightenment information can be for the source IP address information of carrying in described terminal use's message or/and information of virtual local area network or/and insert the IP interface message.
Then, the P-CSCF network element by step s304 and step s305 with the terminal use's that parses positional information by carrying in the call request message of transmitting to the S-CSCF network element, make the S-CSCF network element obtain terminal use's positional information.
In the engineering reality, step s303 is implemented as follows: such as, the P-CSCF network element can be directly according to terminal use's the pre-configured corresponding accessing position information of the residing range section in IP address, the P-CSCF network element according to terminal use's IP address promptly can inquire pre-configured accessing position information storehouse, obtain terminal use's positional information.
What need supplementary notes is, in fact, in Fig. 1, carry out before described step s102 to s105, the described step s112 to s115, and among Fig. 2, carry out before the described s203, the P-CSCF network element all can parse terminal use's positional information, then according to the terminal use's who receives call request message from this message, positional information is carried in the call request message that the S-CSCF network element is transmitted, promptly carries out the described step s303 that is similar among Fig. 3.But, because the positional information that the P-CSCF network element parses the terminal use is comparatively speaking, be terminal use's rough location information, be not accurate location information, therefore, among Fig. 1 and Fig. 2, preferably obtain terminal use's accurate location information by the HSS network element; Only can't obtain by the HSS network element under terminal use's the accurate location information, core network just adopts the positional information that parses the terminal use by the P-CSCF network element.
In addition, see also shown in Figure 4, the present invention has also disclosed the system that a kind of core network is realized the customer location location, and this system is used to realize the location of core network to the terminal use's (or user or terminal use) that inserts by the IP Access Network (IP-CAN) that comprises IP-based fixed network and wireless network on-position.
System of the present invention specifically comprises:
Core network (IMS) comprises CSCF (CSCF) network element and home subscriber server (HSS) network element 430;
Wherein, the CSCF network element is according to function, can be divided into Proxy Call Session Control Function (P-CSCF) network element 410, service call conversation control function (S-CSCF) network element 420 again, in some implementation structure, the CSCF network element also comprises query call conversation control function (I-CSCF) network element (not illustrating among the figure).
Core network also comprises home subscriber server (HSS) network element 430, receive the request that the CSCF network element initiates to obtain terminal user position information, the terminal use's that inquiry is preserved relevant information sends to described CSCF network element with terminal use's positional information.
Wherein, terminal use (UE) 450 inserts core network by the IP Access Network (IP-CAN) 440 that comprises IP-based fixed network and wireless network.
When described terminal use inserted described core network by fixed network, described positional information was the fixed network accessing position information that described terminal use contracts.
Certainly, in the system of the present invention, the P-CSCF network element can parse terminal use's fixed network accessing position information roughly according to the terminal use to the request message of IMS (can comprise and calling out or registration, even other request message).
In addition, the present invention also discloses the system that a kind of core network is realized the customer location location, mainly be under the network environment with the positional information that should in the HSS network element, not have the terminal use, such as, the terminal use is for inserting the network environment of core network by IP-based wireless network, certainly, the present invention also is suitable for the terminal use inserts core network by fixed network network environment.
Native system comprises CSCF (CSCF) network element, is used to initiate a request of obtaining terminal user position information, and its information requested is terminal use's a public identify, or comprises user's IP address or device identification simultaneously.It can parse described terminal use's positional information according to position enlightenment information entrained in terminal use's message.
Particularly, the P-CSCF network element that comprises in the CSCF network element parses described terminal use's positional information according to the position enlightenment information of carrying in terminal use's message; Then, this positional information is sent to S-CSCF network element in the CSCF network element.
The described position enlightenment of terminal use information be meant the source IP address information of carrying in described terminal use's message or/and information of virtual local area network or/and the access IP interface message of CSCF network element.
In sum, the present invention is under the prerequisite of not revising the IP access network, utilize the terminal use's of HSS network element preservation positional information, when core network need obtain terminal use's positional information, the CSCF network element sends the request of obtaining terminal user position information to the HSS network element, obtain terminal use's positional information, to realize the location of customer location at core network.
Above embodiment only in order to the explanation the present invention and and unrestricted technical scheme described in the invention; Therefore, although this specification has been described in detail the present invention with reference to each above-mentioned embodiment,, those of ordinary skill in the art should be appreciated that still and can make amendment or be equal to replacement the present invention; And all do not break away from the technical scheme and the improvement thereof of the spirit and scope of the present invention, and it all should be encompassed in the middle of the claim scope of the present invention.
Claims (11)
1. a core network is realized the method for customer location location, it is characterized in that, comprises the steps:
A. the CSCF network element in the core network sends the request of obtaining terminal user position information to the home subscriber server network element;
B. described home subscriber server network element receives described request, and the described terminal use's that inquiry is preserved relevant information is obtained described terminal use's positional information and sent to described CSCF network element.
2. core network according to claim 1 is realized the method for customer location location, it is characterized in that, described step a is: described terminal use initiates in the registration process to core network, and described CSCF network element sends the request of obtaining terminal user position information to described home subscriber server network element.
3. core network according to claim 1 is realized the method for customer location location, it is characterized in that, described terminal use is the non-registered users of core network, described step a is: described terminal use is in the process that core network makes a call, and described CSCF network element sends the request of obtaining terminal user position information to described home subscriber server network element.
4. realize the method for customer location location according to each described core network of claim 1 to 3, it is characterized in that, described terminal use inserts core network by fixed network, positional information on the described home subscriber server network element is obtained when the user is signatory,, perhaps be that the home subscriber server network element obtains to other network element inquiry perhaps for other network element sends to the home subscriber server network element.
5. a core network is realized the method for customer location location, it is characterized in that, comprises the steps:
The position enlightenment information that CSCF network element in the core network is determined to carry in described terminal use's message;
Described CSCF network element is analyzed described position enlightenment information, obtain reach terminal use's positional information.
6. core network according to claim 5 is realized the method for customer location location, it is characterized in that, described position enlightenment information be meant the source IP address information of carrying in described terminal use's message or/and information of virtual local area network or/and the access IP interface message of CSCF network element.
7. a core network is realized the system of customer location location, it is characterized in that, comprising:
The CSCF network element is used to initiate a request of obtaining terminal user position information;
The home subscriber server network element, after being used to receive described request, the described terminal use's that inquiry is preserved relevant information is obtained terminal use's positional information and is sent to described CSCF network element.
8. core network according to claim 7 is realized the system of customer location location, it is characterized in that, described CSCF network element comprises the Proxy Call Session Control Function network element, be used to initiate a request of obtaining terminal user position information, its information requested is terminal use's a public identify, or comprises user's IP address or device identification simultaneously.
9. realize the system of customer locations location according to claim 7 or 8 described core networks, it is characterized in that described terminal use does not roam when inserting described core network; Described positional information is the positional information on described terminal use's home subscriber server network element, this positional information is to be signed in to the home subscriber server network element when the user is signatory,, perhaps be that the home subscriber server network element obtains to other network element inquiry perhaps for other network element sends to the home subscriber server network element.
10. a core network is realized the system of customer location location, it is characterized in that, comprising:
The CSCF network element, information is enlightened in the position that is used for carrying by terminal use's message, and analyzes described position enlightenment information, parses described terminal use's positional information.
11. core network according to claim 10 is realized the system of customer location location, it is characterized in that, described position enlightenment information be meant the source IP address information of carrying in described terminal use's message or/and information of virtual local area network or/and insert the IP interface message.
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| CNA2006100371628A CN101132603A (en) | 2006-08-23 | 2006-08-23 | Method and system for implementing user position locating in core network |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008138252A1 (en) * | 2007-05-11 | 2008-11-20 | Huawei Technologies Co., Ltd. | Method for acquiring and transmitting user location information and network device thereof |
| WO2010145286A1 (en) * | 2009-10-27 | 2010-12-23 | 中兴通讯股份有限公司 | Method and system for realizing information interaction in next generation network |
| CN111092842A (en) * | 2018-10-23 | 2020-05-01 | 中国移动通信集团有限公司 | Information processing method, server, network element and storage medium |
| WO2023010491A1 (en) * | 2021-08-05 | 2023-02-09 | Nokia Shanghai Bell Co., Ltd. | Cell identity determination |
-
2006
- 2006-08-23 CN CNA2006100371628A patent/CN101132603A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008138252A1 (en) * | 2007-05-11 | 2008-11-20 | Huawei Technologies Co., Ltd. | Method for acquiring and transmitting user location information and network device thereof |
| WO2010145286A1 (en) * | 2009-10-27 | 2010-12-23 | 中兴通讯股份有限公司 | Method and system for realizing information interaction in next generation network |
| US8738038B2 (en) | 2009-10-27 | 2014-05-27 | Zte Corporation | Method and system for implementing information interaction in a next generation network |
| CN111092842A (en) * | 2018-10-23 | 2020-05-01 | 中国移动通信集团有限公司 | Information processing method, server, network element and storage medium |
| CN111092842B (en) * | 2018-10-23 | 2023-04-07 | 中国移动通信集团有限公司 | Information processing method, server, network element and storage medium |
| WO2023010491A1 (en) * | 2021-08-05 | 2023-02-09 | Nokia Shanghai Bell Co., Ltd. | Cell identity determination |
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Application publication date: 20080227 |