CN101860791A - Realizing method for positioning user terminal and related equipment - Google Patents
Realizing method for positioning user terminal and related equipment Download PDFInfo
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Abstract
The embodiment of the invention relates to the technical field of communication and discloses a realizing method for positioning a user terminal and related equipment. The method comprises the following steps of: receiving a requiring message for positioning a user terminal by a positioning server, wherein the requiring message is sent by a monitoring center; acquiring the identify of access point equipment in which the user terminal to be positioned is arranged; acquiring access point equipment position information corresponding to the identify of the access point equipment from a preset first mapping table in which the corresponding relation between the access point equipment identify and the access point equipment position information is stored; and sending a response message for positioning the user terminal to the monitoring center, wherein the acquired access point equipment position information is carried in the message so that the position information is conveniently used as the position information of the user terminal by the monitoring center. In the embodiment of the invention, network equipment does not need a global position system module or the calculation of mass data and has the advantages of simple implementation and less cost.
Description
Technical field
The present invention relates to communication technical field, be specifically related to a kind of implementation method and relevant device of positioning user terminal.
Background technology
Access point apparatus (AP, Access Point) is a kind of base station kenel that latest development is got up, and is applicable to area among a small circle such as family and office space, mainly solves to cover and capacity problem.At present, the main flow framework of AP network is: the whole network is deployed with a core net (CN, Core Network), core net is served at least one IAD (AG, access gateway), an AG serves at least one AP, and an AP serves at least one user terminal (UE, User Equipment).
Positioning service to UE is the quite attractive value-added service of moving communicating field, also is one of 3G value-added service of being had an optimistic view of by industry, for enriching wireless data service market and increasing the operation income of operator very important.At present, the method of the main positioning UE of using is as follows in mobile communication system: integrated global positioning system (GPS on the base station, Global Positioning System) module, obtain UE respectively with the round-trip delay (RTT of three base stations, Round Trip Time), and the latitude and longitude information of these three base stations, the latitude and longitude information that calculates UE according to the latitude and longitude information obtained and RTT again.
In research and practice process to prior art, the present inventor finds that there is following shortcoming at least in it: if want the AP can positioning UE, then need be in the integrated GPS module of AP, and AP needs calculation of mass data, causes the AP cost bigger.
Summary of the invention
The embodiment of the invention provides a kind of implementation method and relevant device of positioning user terminal.
The embodiment of the invention provides a kind of implementation method of positioning user terminal, comprising: location-server receives the request message of the positioning user terminal of Surveillance center's transmission; Location-server obtains the sign that needs located subscriber terminal place access point apparatus; Location-server obtains the positional information of access point apparatus of the sign correspondence of access point apparatus from first mapping table that presets, first mapping table is preserved the corresponding relation of the positional information of the sign of access point apparatus and access point apparatus; Location-server is to the response message of Surveillance center's transmission positioning user terminal, and the positional information of carrying the access point apparatus that obtains in this message is so that Surveillance center is with the positional information of this positional information as user terminal.
The embodiment of the invention provides a kind of implementation method of positioning user terminal, comprising: access point apparatus receives the request message of the positioning user terminal of Surveillance center's transmission; Access point apparatus obtains the positional information of access point apparatus; Access point apparatus is to the response message of Surveillance center's transmission positioning user terminal, and the positional information of carrying the access point apparatus that obtains in this message is so that Surveillance center is with the positional information of this positional information as user terminal.
The embodiment of the invention provides a kind of location-server, comprising: receiver module is used to receive the request message of the positioning user terminal that Surveillance center sends; First acquisition module is used to obtain the sign that needs located subscriber terminal place access point apparatus; Second acquisition module is used for obtaining from first mapping table positional information of access point apparatus of the sign correspondence of access point apparatus, and first mapping table is preserved the corresponding relation of the positional information of the sign of access point apparatus and access point apparatus; Sending module is used for the response message to Surveillance center's transmission positioning user terminal, and the positional information of carrying the access point apparatus that obtains in this message is so that Surveillance center is with the positional information of this positional information as user terminal.
The embodiment of the invention provides a kind of access point apparatus, comprising: receiver module is used to receive the request message of the positioning user terminal that Surveillance center sends; The 3rd acquisition module is used to obtain the positional information of access point apparatus; Sending module is used for the response message to Surveillance center's transmission positioning user terminal, and the positional information of carrying the access point apparatus that obtains in this message is so that Surveillance center is with the positional information of this positional information as user terminal.
As can be seen from the above technical solutions, compared with prior art, the embodiment of the invention comprises following beneficial effect:
Because basically in horizon range, therefore, the embodiment of the invention is directly with the positional information of the UE place AP positional information as UE between AP and the UE.Compared with prior art, the AP of the embodiment of the invention does not need to be provided with GPS, do not need calculation of mass data yet, the corresponding relation that only need on location-server, gather sign and the AP positional information of AP in advance, obtain the sign that needs located subscriber terminal place AP by location-server, obtain the positional information of this AP according to this sign, and inform Surveillance center; Perhaps, issue the request message of positioning user terminal by Surveillance center to the UE place AP of needs location, AP obtains the positional information of this AP by the UE place, and informs that Surveillance center get final product, has to realize simply the advantage that cost is less.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the accompanying drawing of required use is done an introduction simply in will describing embodiment below, apparently, accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the basic procedure schematic diagram of an embodiment of the implementation method of positioning user terminal in the embodiment of the invention;
Fig. 2 is a concrete application scenarios schematic diagram embodiment illustrated in fig. 1;
Fig. 3 is the basic procedure schematic diagram of another embodiment of the implementation method of positioning user terminal in the embodiment of the invention;
Fig. 4 is a concrete application scenarios schematic diagram embodiment illustrated in fig. 3;
Fig. 5 is the schematic diagram that middle AP embodiment illustrated in fig. 4 obtains an embodiment of AP latitude and longitude information method;
Fig. 6 is the schematic diagram of an embodiment of location-server in the embodiment of the invention;
Fig. 7 is the schematic diagram of an embodiment of access point apparatus in the embodiment of the invention;
Fig. 8 is the schematic diagram of an embodiment of the realization system of positioning user terminal in the embodiment of the invention;
Fig. 9 is the schematic diagram of another embodiment of the realization system of positioning user terminal in the embodiment of the invention.
Embodiment
The embodiment of the invention provides a kind of implementation method and relevant device and system of positioning user terminal.Below be elaborated respectively.
See also Fig. 1, the implementation method of positioning user terminal embodiment comprises in the embodiment of the invention:
101, location-server receives the request message of the positioning user terminal of Surveillance center's transmission;
The embodiment of the invention can be applied to universal mobile communication (UMTS, Universal MobileTelecommunication System) AP system, Long Term Evolution (LTE, Long Term Evolution) AP system, global system for mobile communications (GSM, Global System for Mobile Communications) AP system, worldwide interoperability for microwave inserts (WiMax, Worldwide Interoperability for MicrowaveAccess) AP system, code division multiple access inserts in (CDMA, Code Division Multiple Access) AP system.
In the present embodiment, can be in existing AP network, newly-increased location-server, and, between this location-server and the Surveillance center communication interface is arranged.When Surveillance center needs positioning UE, then send the request message of positioning user terminal to this location-server.
102, location-server obtains the sign that needs located subscriber terminal place access point apparatus;
In the present embodiment, the sign of access point apparatus can for the numbering of AP (ID, Identity), Service Area Identifier (SAI, Service Area Identifier) or cell id (Cell ID, Cell Identity).
Location-server is before receiving the request message of positioning user terminal, location-server can obtain the corresponding relation of the sign of the identification code that needs the located subscriber terminal and this user terminal place access point apparatus earlier, and this corresponding relation is stored in second mapping table, the identification code of user terminal can be international mobile subscriber identity (IMSI, international mobile subscriber identity) or mobile subscriber's international number (MSISDN, Mobile Station Integrated Services Digital Network).For example, when the UE in the needs location attempts residing among the AP, UE can initiate location area updating (LAU, Location AreaUpdate) or Routing Area Update (RAU, Route Area Update) operation such as, AG can parse the IMSI of this UE that carries in the LAU/RAU message, and can also obtain the MSISDN of IMSI correspondence, can also obtain SAI or the Cell ID of AP simultaneously according to the ID of the resident AP of UE, therefore, AG need can obtain the identification code of located subscriber terminal, i.e. the IMSI of UE or MSISDN are with the sign of this user terminal place access point apparatus, be the ID of AP, the corresponding relation of SAI or Cell ID, and, when AG is transmitted to CN to LAU/RAU, also can send to location-server to this corresponding relation.In addition, AG also can obtain the IMSI of UE from other existing operating process, for example UE setup requests operation.
Above, AG can get access to MSISDN from equipment of the core network after obtaining IMSI, equally, can preserve ID, the SAI of AP or the corresponding relation of Cell ID in equipment of the core network, AG can obtain SAI and the Cell ID of AP from equipment of the core network after getting access to the ID of AP.Surveillance center can obtain ID and the Cell ID of AP according to this SAI from equipment of the core network the IMSI according to UE gets access to the SAI of UE place AP from CN after.
Have in positioning server stores under the situation of second mapping table, can comprise the identification code that needs the located subscriber terminal in the request message of the positioning user terminal that Surveillance center issues, location-server can obtain the sign of the access point apparatus that needs the identification code of located subscriber terminal correspondence from second mapping table.
Be understandable that, also can obtain the sign of this UE place access point apparatus by the first identification code of the UE of location as required of Surveillance center, for example, can get access to the SAI of UE place AP according to the IMSI of UE from CN, and will need the sign of located subscriber terminal place access point apparatus to be carried in the request message of positioning user terminal, in this case, location-server can directly obtain the sign that needs located subscriber terminal place access point apparatus from this request message.
103, location-server obtains the positional information of access point apparatus of the sign correspondence of access point apparatus from first mapping table that presets, and first mapping table is preserved the corresponding relation of the positional information of the sign of access point apparatus and access point apparatus;
The positional information of access point apparatus can be the latitude and longitude information of AP, or the address information of AP (as No. 44, Chang'an road).
When AP powers on, can distribute parameters such as ID (perhaps being the ID of AP equipment self), SAI and Cell ID, gather the sign that all AP in the network are arranged and the corresponding relation of AP positional information on the location-server, the sign of AP can be ID, SAI or the Cell ID of AP.
104, location-server is to the response message of Surveillance center's transmission positioning user terminal, and the positional information of carrying the access point apparatus that obtains in this message is so that Surveillance center is with the positional information of this positional information as user terminal.
Location-server can obtain the positional information of AP according to this sign after getting access to the sign that needs located subscriber terminal place AP, and this positional information is informed Surveillance center.Because in the AP network, the coverage of AP is little, therefore, between AP and the UE basically in horizon range, therefore, in the present embodiment, Surveillance center can be directly with the positional information of UE place AP positional information as UE.
Because basically in horizon range, therefore, present embodiment is directly with the positional information of the UE place AP positional information as UE between AP and the UE.Compared with prior art, the AP of present embodiment does not need to be provided with GPS, do not need calculation of mass data yet, the corresponding relation that only need on location-server, gather sign and the AP positional information of AP in advance, obtain the sign that needs located subscriber terminal place AP by location-server, and obtain the positional information of this AP, and inform that Surveillance center gets final product according to this sign, have and realize simply the advantage that cost is less.And, can only obtain the latitude and longitude information of AP in the prior art, and present embodiment can also obtain the address information of AP, thereby can directly determine user's address information.
For ease of understanding, see also Fig. 2, describe a concrete application scenarios of Fig. 1 illustrated embodiment below in detail, the process of this concrete application scenarios can comprise:
The lines of the band arrow among Fig. 2 are used to be described below the interactive rationship between entity of operation, do not represent the annexation of inter-entity.
201, when AP opens an account, administrative staff are aggregated into address information, ID, SAI and the Cell ID of AP in the table 1 of location-server:
| ??AP?ID | ??SAI | ??Cell?ID | ??Address |
| ??AP?ID1 | ??SAI1 | ??Cell?ID1 | ??Address1 |
| ??AP?ID2 | ??SAI2 | ??Cell?ID2 | ??Address2 |
| ??... | ??... | ??... | ??... |
Table 1
Be understandable that step 201 in the technical solution of the present invention implementation process of reality, can be carried out this step for pre-seting step.
202, when user terminal UE attempts residing among the access point apparatus AP, UE sends LAU message to AP, and AP transmits LAU message to access gateway AG, and this message comprises the IMSI of UE, and AG gives equipment of the core network CN with the LAU forwards;
203, AG receives after the LAU message that AP sends, and parses the IMSI in the LAU message, and the corresponding relation of IMSI and the ID of the AP that sends LAU message is sent to location-server, and location-server is stored in table 2 with this corresponding relation:
| ??IMSI | ??AP?ID |
| ??IMSI1 | ??APID1 |
| ??IMSI | ??AP?ID |
| ??IMSI2 | ??APID1 |
| ??... | ??... |
Table 2
Because UE can move between different AP, therefore, the corresponding relation of the ID of the IMSI of UE and UE place AP is understood respective change, therefore, can only preserve the corresponding relation of the ID of the IMSI of UE of up-to-date acquisition and UE place AP in the table 2.
Need to prove herein, AG can obtain the MSISDN of this IMSI correspondence according to the IMSI of UE from equipment of the core network, can also obtain SAI or the Cell ID of AP according to the ID of the resident AP of UE from equipment of the core network, therefore, table 2 can comprise IMSI or ID, the SAI of MSISDN and AP or the corresponding relation of Cell ID of UE.Be understandable that, also can be preset at the IMSI of UE and MSISDN corresponding relation among the AG that AG can be according to the IMSI of UE from self obtaining the MSISDN of this IMSI correspondence.
204, Surveillance center's (IMSI as this UE is IMSI1) when needs obtain the positional information of certain UE, Surveillance center include the IMSI1 of UE to the request message of location-server transmission positioning user terminal in this request message;
205, location-server obtains the sign of UE place AP from table 2 according to IMSI1, be AP ID1, from table 1, obtain AP ID1 corresponding address Address1, and to the response message of Surveillance center's restoring to normal position user terminal, include the address information of UE place AP in this response message, be Address1, so that Surveillance center is with the address information of this address information as UE.
Surveillance center is the address information of the UE place AP address information as UE, thereby can directly determine user's address information (as, No. 44, Chang'an road); And in the prior art, can only determine user's latitude and longitude information, determine the address information that the user is concrete according to latitude and longitude information again.
In the present embodiment, after execution in step 201, also execution in step 202 and 203 not, and from CN, obtain earlier the SAI1 of the IMSI1 correspondence of the UE that needs the location by Surveillance center, and in step 204, send the request message of the positioning user terminal that carries this SAI1 to location-server, in this case, in the step 205, location-server only need obtain this SAI1 corresponding address information from table 1, i.e. Address1, and send to Surveillance center and to get final product.
Among the above embodiment, be to Surveillance center's home position information by location-server, be understandable that, Surveillance center can directly send the request message of positioning user terminal to UE place AP, and by this AP to Surveillance center's home position information, then the implementation method of this positioning user terminal is elaborated below.
See also Fig. 3, another embodiment of the implementation method of positioning user terminal comprises in the embodiment of the invention:
301, access point apparatus receives the request message of the positioning user terminal of Surveillance center's transmission;
In the present embodiment, when Surveillance center need obtain the positional information of certain UE, can send the request message of positioning user terminal, carry the IMSI of UE in this message to CN; CN can obtain the sign of UE place AG according to this IMSI, and sends the request message of positioning user terminal to this AG; AG can obtain the sign of UE place AP according to this IMSI, and sends the request message of positioning user terminal to this AP.
302, access point apparatus obtains the positional information of access point apparatus;
AP after receiving the request message of positioning user terminal, execution in step 302.
In the present embodiment, can be in existing AP network, newly-increased location-server, and, between this location-server and each AP communication interface is arranged; And, gathering the sign that all AP in the network are arranged and the corresponding relation of AP positional information on the location-server, the sign of AP can be ID, SAI or the CellID of AP.In this case, after AP gets access to the sign of this AP, step 302 can comprise: AP sends access point apparatus position enquiring request message to location-server, this message is carried the sign of this AP, after location-server obtains the AP positional information of sign correspondence of this AP, AP receives the access point apparatus position enquiring response message that location-server sends, the positional information of carrying AP in this message, and positional information herein can be latitude and longitude information or address information.
In the prior art, can be by integrated GPS modules respectively three base stations, obtain UE respectively with the RTT of these three base stations, and the latitude and longitude information of these three base stations, the latitude and longitude information that calculates UE according to the latitude and longitude information of obtaining and RTT again.In like manner, in the present embodiment, also can pass through three integrated GPS modules of UE difference, obtain on three diverse locations, the round-trip delay of the latitude and longitude information of user terminal and user terminal and AP, and the latitude and longitude information of obtaining access point apparatus according to the latitude and longitude information and the round-trip delay of this user terminal is as the positional information of access point apparatus.
303, access point apparatus is to the response message of Surveillance center's transmission positioning user terminal, and the positional information of carrying the access point apparatus that obtains in this message is so that Surveillance center is with the positional information of this positional information as user terminal.
Access point apparatus can be by AG and the CN response message to Surveillance center's restoring to normal position user terminal after getting access to the positional information of this access point apparatus.
Be understandable that, each AP also can be when powering on, obtain the positional information of AP and preserve from location-server in this locality, after the request message of the positioning user terminal that receives Surveillance center's transmission, then directly send the response message of the positioning user terminal of the positional information of carrying access point apparatus to Surveillance center.Therefore, there is not inevitable sequencing between the step 301,302.
Because basically in horizon range, therefore, present embodiment is directly with the positional information of the UE place AP positional information as UE between AP and the UE.Compared with prior art, the AP of present embodiment does not need to be provided with GPS, do not need calculation of mass data yet, the corresponding relation that only need on location-server, gather sign and the AP positional information of AP in advance, issue the request message of positioning user terminal by Surveillance center to the UE place AP of needs location, AP obtains the positional information of this AP by the UE place, and informs that Surveillance center gets final product, have and realize simply the advantage that cost is less.And, can only obtain the latitude and longitude information of AP in the prior art, and present embodiment can also obtain the address information of AP, thereby can directly determine user's address information.
For ease of understanding, see also Fig. 4, describe a concrete application scenarios of Fig. 3 illustrated embodiment below in detail, the process of this concrete application scenarios can comprise:
The lines of the band arrow among Fig. 4 are used to be described below the interactive rationship between entity of operation, do not represent the annexation of inter-entity.
401, when AP opens an account, administrative staff specifically see also the explanation to step 201 with the table 1 that address information, ID, SAI and the Cell ID of AP is aggregated into location-server;
Be understandable that step 401 in the technical solution of the present invention implementation process of reality, can be carried out this step for pre-seting step.
When 402, Surveillance center need obtain the positional information of certain UE (IMSI as this UE is IMSI1), send position enquiring service request information (LCS service request), include the IMSI1 of UE in this message to CN;
Be understandable that, can not carry the IMSI of UE in the position enquiring service request information, and carry the MSISDN of UE, position message control messages hereinafter, position message message also are like this.
403, CN obtains the sign of the AG of IMSI1 correspondence, and sends position message control messages (Location Reporting Control) to this AG, includes the IMSI1 of UE in this message;
Can the Location Reporting Control message in existing protocol increase a kind of request type Request Type, shown in following two tables:
Location?Reporting?Control：
| ??IE/Group?Name | ??Presenee | ??Range | ??IE?type?and??reference | ??Semantics??deseription | ??Criticality | ??Assigned??Criticality |
| ??Message?Type | ??M | ??9.2.1.1 | ??YES | ??ignore | ||
| ??Request?Type | ??M | ??9.2.1.16 | ??YES | ??ignore | ||
| ??Vertical?Accuracy??Code | ??O | ??9.2.1.46a | ??YES | ??Ignore | ||
| ??Response?Time | ??O | ??9.2.1.46b | ??YES | ??Ignore | ||
| ??Positioning?Priority | ??O | ??9.2.1.46c | ??YES | ??Ignore | ||
| ??Client?Type | ??O | ??9.2.1.46d | ??YES | ??ignore |
Request?Type：
| ??IE/Group??Name | ??Presence | ??Range | ??IE?type?and?reference | Semantics?description |
| ??Request??Type | ||||
| ??＞Event | ??M | ??ENUMERATED(Stop??Change?of?service?area，??Direct，Change?of?service??area，...，Stop?Direct) | ||
| ??＞Repor??t?Area | ??M | ??ENUMERATED(Service??Area，Geographical?Area，??Address...) | When?the?Event?IE?is?set?to“StopChange?of?service?area”or?to″StopDirect″，the?value?of?the?Report?areaIE?shall?be?the?same?as?in?theLOCATION?REPORTINGCONTROL?message?that?initiatedthe?location?reporting. |
| ??IE/Group??Name | ??Presence | ??Range | ??IE?type?and?reference | Semantics?description |
| ??＞Accur??acy?Code | ??O | ??INTEGER(??0..127) | The?requested?accuracy″r″isderived?from?the″accuracy?code″kbyr＝10x(1.1 k-1).The?Accuracy?Code?IE?shall?beunderstood?as?the?horizontalaccuracy?code. |
404, AG obtains the sign of the AP of IMSI1 correspondence, and sends Location ReportingControl message to this AP;
405, AP obtains the positional information of AP of the sign correspondence of AP from location-server;
In the present embodiment, AP also can not obtain the positional information of AP from location-server, and adopts the method for obtaining the AP latitude and longitude information shown in Figure 5 to obtain the AP positional information.
As shown in Figure 5, can be on a specific UE integrated A-GPS function, this UE respectively in the position 1, position 2, position 3 obtain the latitude and longitude information of these three positions respectively, and reports AP, AP measures the RTT with these three positions of UE respectively.
Particularly, AP can measure Indication message Measurement Control by sending to UE, measure and report the current location information of UE with indication UE, UE is after using A-GPS function acquisition latitude and longitude information, can report the latitude and longitude information of acquisition by measurement report message Measurement Report, simultaneously, AP can be by measuring the time difference of Indication message and measurement report message, and acquisition UE is round-trip delay RTT1, RTT2, the RTT3 between 1,2,3 o'clock and the AP in the position respectively.
AP utilizes RTT just can calculate UE arrives AP in each position time T OA, specifically is calculated as follows:
TOA＝RTT/2
Multiply by the light velocity with TOA and obtain the distance that each position arrives AP, is the center of circle with each position again, and each position arrives the AP distance and obtains three circles for radius work circle, and the common factor of three circles then is the longitude and latitude scope of AP, thereby obtains the positional information of AP.Be understandable that along with moving of UE, AP can write down a plurality of positions of UE, revises the latitude and longitude information of AP repeatedly, the position is many more, and the latitude and longitude information of AP is accurate more.
Be understandable that, the latitude and longitude information of 3 UE that AP also can be by diverse location, and the RTT between each UE and the AP calculates the latitude and longitude information of AP, and UE quantity is many more, and the latitude and longitude information of the AP that AP calculates is accurate more.
406, to CN home position report message (Location Report), this message is carried the positional information of AP to AP by AG;
Can the Location Report message in existing protocol increase a kind of area identification Area Identity type, shown in following two tables:
Location?Report：
| ??IE/Group?Name | ??Presenee | ??Range | ??IE?type??and??reference | ??Semantics?description | ??Critica??lity | ??Assigned??Criticalit??y |
| ??Message?Type | ??M | ??9.2.1.1 | ??YES | ??ignore | ||
| ??Area?Identity | ??O | ??9.2.3.10 | ??YES | ??ignore | ||
| ??Cause | ??O | ??9.2.1.4 | ??YES | ??ignore | ||
| ??Request?Type | ??O | ??9.2.1.16 | ??YES | ??ignore | ||
| ??Last?Known??Service?Area | ??O | ??9.2.3.22 | ??YES | ??ignore | ||
| ??Position?Data | ??O | ??9.2.3.27 | ??Optional?for?UTRAN??only. | ??YES | ??ignore | |
| ??Position?Data??Specific?To??GERAN?Iu?Mode | ??O | ??9.2.3.28 | ??Coded?as?the?value?part??of?the?Positioning?Data??IE?defined?in[34].??Optional?for?GERAN??Iu?mode?only.Not??applicable?for??UTRAN. | ??YES | ??ignore |
| ??IE/Group?Name | ??Presenee | ??Range | ??IE?type??and??reference | ??Semantics?description | ??Critica??lity | ??Assigned??Criticalit??y |
| ??Accuracy??Fulfilment??Indicator | ??O | ??9.2.3.29 | ??YES | ??ignore |
Area?Identity：
| ??IE/Group?Name | ??Presence | ??Range | ??IE?type?and??reference | ??Semantics?description |
| ??Choice?Area?Identity | ||||
| ??＞SAI | ??9.2.3.9 | |||
| ??＞Geographical?Area | ??9.2.3.11 | |||
| ??＞Address | ??OCTETSTRI??NG(1..255) |
407, CN is to Surveillance center's home position inquiry service response message (LCS service response), and this message is carried the positional information of AP, so that Surveillance center is with the positional information of this AP positional information as UE.
In the present embodiment, the positional information of AP can be the address information of AP, and Surveillance center is the address information of the UE place AP address information as UE, thereby can directly determine user's address information (as, No. 44, Chang'an road); And in the prior art, can only determine user's latitude and longitude information, determine the address information that the user is concrete according to latitude and longitude information again.
Below equipment in the embodiment of the invention and system are elaborated.
See also Fig. 6, location-server embodiment comprises in the embodiment of the invention:
Sending module 604 is used for sending to Surveillance center the response message of positioning user terminal, the positional information of carrying the access point apparatus that obtains in this message so that Surveillance center with this positional information as needs located subscriber location information of terminals.
Alternatively, the request message of positioning user terminal can comprise the sign that needs located subscriber terminal place access point apparatus, first acquisition module 602 can comprise that second obtains submodule, is used for obtaining the sign that needs located subscriber terminal place access point apparatus from the request message of positioning user terminal.
Alternatively, location-server can also comprise and obtains the preservation module in the present embodiment, be used for before the request message of the positioning user terminal that receiver module reception Surveillance center sends, obtain the corresponding relation of the sign of the identification code that needs the located subscriber terminal and this user terminal place access point apparatus, and this corresponding relation is stored in second mapping table; In this case, comprise the identification code that needs the located subscriber terminal in the request message of positioning user terminal, first acquisition module 602 can comprise that first obtains submodule, is used for obtaining from second mapping table sign of the access point apparatus that needs the identification code of located subscriber terminal correspondence.Corresponding to this situation, the embodiment of the invention also provides an embodiment of IAD, comprising:
The message sink module is used to receive lane place or the Routing Area Update message that access point apparatus sends, and this message is carried the IMSI of user terminal;
Concern acquisition module, be used to obtain the corresponding relation of the sign of the identification code of user terminal and access point apparatus;
Concern sending module, be used for preserving module and send the corresponding relation that gets access to obtaining of location-server.That is to say that the obtaining of location-server preserved the corresponding relation that module can be obtained the sign of the identification code that needs the located subscriber terminal and this user terminal place access point apparatus from IAD.
The identification code of user terminal can be IMSI or the MSISDN of UE, concern that acquisition module can get access to the MSISDN of IMSI correspondence from equipment of the core network, equally, can in equipment of the core network, preserve ID, the SAI of AP or the corresponding relation of Cell ID, concern that acquisition module can obtain the SAI and the Cell ID of AP of the ID correspondence of AP from equipment of the core network.
In the present embodiment, the positional information of AP can be the address information of AP, and Surveillance center is the address information of the UE place AP address information as UE, thereby can directly determine user's address information (as, No. 44, Chang'an road); And in the prior art, can only determine user's latitude and longitude information, determine the address information that the user is concrete according to latitude and longitude information again.
See also Fig. 7, access point apparatus embodiment in the embodiment of the invention comprises:
The 3rd acquisition module 702 is used to obtain the positional information of access point apparatus;
Sending module 703 is used for the response message to Surveillance center's transmission positioning user terminal, and the positional information of carrying the access point apparatus that obtains in this message is so that Surveillance center is with the positional information of this positional information as user terminal.
Alternatively, the 3rd acquisition module 702 comprises:
First acquiring unit is used to obtain on three diverse locations the round-trip delay of the latitude and longitude information of user terminal and user terminal and access point apparatus;
Second acquisition unit is used for the latitude and longitude information that latitude and longitude information and round-trip delay according to user terminal obtain access point apparatus.
Alternatively, the 3rd acquisition module 702 comprises:
Transmitting element is used for sending the position enquiring request message to location-server, and this message comprises the sign of the access point apparatus that needs are inquired about, and positioning server stores has the corresponding relation of the positional information of the sign of access point apparatus and access point apparatus;
Receiving element is used to receive the position enquiring response message that location-server sends, the positional information of carrying access point apparatus in this message.
In the present embodiment, the positional information of AP can be the address information of AP, and Surveillance center is the address information of the UE place AP address information as UE, thereby can directly determine user's address information (as, No. 44, Chang'an road); And in the prior art, can only determine user's latitude and longitude information, determine the address information that the user is concrete according to latitude and longitude information again.
See also Fig. 8, an embodiment of the realization system of positioning user terminal comprises in the embodiment of the invention:
Location-server 801 is used to receive the request message of the positioning user terminal that Surveillance center sends; Obtain the sign that needs located subscriber terminal place access point apparatus; Obtain the positional information of access point apparatus of the sign correspondence of access point apparatus from first mapping table, first mapping table is preserved the corresponding relation of the positional information of the sign of access point apparatus and access point apparatus; To the response message of Surveillance center's transmission positioning user terminal, the positional information of carrying the access point apparatus that obtains in this message;
The positional information of access point apparatus can be the latitude and longitude information of AP, or the address information of AP (as No. 44, Chang'an road).
Because basically in horizon range, therefore, present embodiment is directly with the positional information of the UE place AP positional information as UE between AP and the UE.Compared with prior art, the AP of present embodiment does not need to be provided with GPS, do not need calculation of mass data yet, the corresponding relation that only need on location-server, gather sign and the AP positional information of AP in advance, obtain the sign that needs located subscriber terminal place AP by location-server, and obtain the positional information of this AP, and inform that Surveillance center gets final product according to this sign, have and realize simply the advantage that cost is less.And, can only obtain the latitude and longitude information of AP in the prior art, and present embodiment can also obtain the address information of AP.
See also Fig. 9, another embodiment of the realization system of positioning user terminal comprises in the embodiment of the invention:
Surveillance center 901, be used for sending the request message of positioning user terminal to equipment of the core network, this message is carried the sign of user terminal, the response message of the positioning user terminal that reception is returned, and with the positional information of the access point apparatus in this message as needs located subscriber location information of terminals;
Equipment of the core network 902, be used to receive the request message of the positioning user terminal that Surveillance center sends, obtain the sign of IAD of the sign correspondence of user terminal in this message, and transmit the request message of positioning user terminal to this IAD, receive the response message of the positioning user terminal that IAD returns and transmit to Surveillance center;
IAD 903, be used to receive the request message of the positioning user terminal that equipment of the core network sends, obtain the sign of access point apparatus of the sign correspondence of user terminal in this message, and transmit the request message of positioning user terminal to this access point apparatus, receive the response message of the positioning user terminal that access point apparatus returns and transmit to equipment of the core network;
Access point apparatus 904 is used to receive the request message of the positioning user terminal that IAD sends, and obtains the positional information of access point apparatus, and sends the response message of positioning user terminal to this IAD, and this message is carried the positional information of access point apparatus.
The positional information of access point apparatus can be the latitude and longitude information of AP, or the address information of AP (as No. 44, Chang'an road).
Because basically in horizon range, therefore, present embodiment is directly with the positional information of the UE place AP positional information as UE between AP and the UE.Compared with prior art, the AP of present embodiment does not need to be provided with GPS, do not need calculation of mass data yet, the corresponding relation that only need on location-server, gather sign and the AP positional information of AP in advance, issue the request message of positioning user terminal by Surveillance center to the UE place AP of needs location, AP obtains the positional information of this AP by the UE place, and informs that Surveillance center gets final product, have and realize simply the advantage that cost is less.And, can only obtain the latitude and longitude information of AP in the prior art, and present embodiment can also obtain the address information of AP.
It will be appreciated by those skilled in the art that described scheme of method embodiment and technical characterictic also can be used as the part of device and system embodiment.
One of ordinary skill in the art will appreciate that all or part of step in the whole bag of tricks of the foregoing description is to instruct relevant hardware to finish by program, this program can be stored in the computer-readable recording medium, storage medium can comprise: read-only memory (ROM, Read-Only Memory), random asccess memory (RAM, Random Access Memory), disk or CD etc.
More than the implementation method of the positioning user terminal that the embodiment of the invention provided and relevant device and system are described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (16)
1. the implementation method of a positioning user terminal is characterized in that, comprising:
Location-server receives the request message of the positioning user terminal of Surveillance center's transmission;
Location-server obtains the sign that needs located subscriber terminal place access point apparatus;
Location-server obtains the positional information of access point apparatus of the sign correspondence of described access point apparatus from first mapping table that presets, first mapping table is preserved the corresponding relation of the positional information of the sign of access point apparatus and access point apparatus;
Location-server is to the response message of Surveillance center's transmission positioning user terminal, and the positional information of carrying the access point apparatus that obtains in this message is so that Surveillance center is with the positional information of this positional information as described user terminal.
2. method according to claim 1, it is characterized in that, receive at described location-server before the request message of the positioning user terminal that Surveillance center sends, also comprise: location-server obtains the corresponding relation of the sign of the described identification code that needs the located subscriber terminal and this user terminal place access point apparatus, and this corresponding relation is stored in second mapping table;
Comprise the identification code that needs the located subscriber terminal in the request message of described positioning user terminal;
Described location-server obtains the sign that needs located subscriber terminal place access point apparatus, specifically comprises:
Location-server obtains the sign of the access point apparatus that needs the identification code of located subscriber terminal correspondence from second mapping table.
3. method according to claim 2 is characterized in that, described location-server obtains the corresponding relation of the sign of the identification code that needs the located subscriber terminal and this user terminal place access point apparatus, specifically comprises:
The corresponding relation of the sign of location-server receives that IAD sends the described identification code that needs the located subscriber terminal and this user terminal place access point apparatus.
4. method according to claim 1 is characterized in that, the request message of described positioning user terminal comprises the sign that needs located subscriber terminal place access point apparatus;
Described location-server obtains the sign that needs located subscriber terminal place access point apparatus, specifically comprises: location-server obtains the sign that needs located subscriber terminal place access point apparatus from the request message of described positioning user terminal.
5. according to each described method in the claim 1 to 4, it is characterized in that the positional information of described access point apparatus is the address information of access point.
6. the implementation method of a positioning user terminal is characterized in that, comprising:
Access point apparatus receives the request message of the positioning user terminal of Surveillance center's transmission;
Access point apparatus obtains the positional information of described access point apparatus;
Access point apparatus is to the response message of Surveillance center's transmission positioning user terminal, and the positional information of carrying the access point apparatus that obtains in this message is so that Surveillance center is with the positional information of this positional information as described user terminal.
7. method according to claim 6 is characterized in that, described access point apparatus obtains the positional information of access point apparatus, specifically comprises:
Access point apparatus sends access point apparatus position enquiring request message to location-server, this message comprises the sign of the access point apparatus of needs inquiries, and described positioning server stores has the corresponding relation of the positional information of the sign of access point apparatus and access point apparatus;
Access point apparatus receives the access point apparatus position enquiring response message that location-server sends, the positional information of carrying access point apparatus in this message.
8. method according to claim 6 is characterized in that, described positional information is a latitude and longitude information;
Described access point apparatus obtains the positional information of access point apparatus, specifically comprises:
Access point apparatus obtains on three diverse locations, the round-trip delay of the latitude and longitude information of user terminal and user terminal and access point apparatus;
The latitude and longitude information that access point apparatus obtains access point apparatus according to the latitude and longitude information and the round-trip delay of described user terminal.
9. according to claim 6 or 7 described methods, it is characterized in that the positional information of described access point apparatus is the address information of access point.
10. a location-server is characterized in that, comprising:
Receiver module is used to receive the request message of the positioning user terminal that Surveillance center sends;
First acquisition module is used to obtain the sign that needs located subscriber terminal place access point apparatus;
Second acquisition module is used for obtaining from first mapping table positional information of access point apparatus of the sign correspondence of described access point apparatus, and first mapping table is preserved the corresponding relation of the positional information of the sign of access point apparatus and access point apparatus;
Sending module is used for the response message to Surveillance center's transmission positioning user terminal, and the positional information of carrying the access point apparatus that obtains in this message is so that Surveillance center is with the positional information of this positional information as described user terminal.
11. location-server according to claim 10 is characterized in that, comprises the identification code that needs the located subscriber terminal in the request message of described positioning user terminal;
Described location-server also comprises: obtain the preservation module, be used for before the request message of the positioning user terminal that receiver module reception Surveillance center sends, obtain the corresponding relation of the sign of the identification code that needs the located subscriber terminal and this user terminal place access point apparatus, and this corresponding relation is stored in second mapping table;
First acquisition module comprises: first obtains submodule, is used for obtaining from second mapping table sign of the access point apparatus that needs the identification code of located subscriber terminal correspondence.
12. location-server according to claim 10 is characterized in that, the request message of described positioning user terminal comprises the sign that needs located subscriber terminal place access point apparatus;
First acquisition module comprises: second obtains submodule, is used for obtaining the sign that needs located subscriber terminal place access point apparatus from the request message of positioning user terminal.
13. an access point apparatus is characterized in that, comprising:
Receiver module is used to receive the request message of the positioning user terminal that Surveillance center sends;
The 3rd acquisition module is used to obtain the positional information of described access point apparatus;
Sending module is used for the response message to Surveillance center's transmission positioning user terminal, and the positional information of carrying the access point apparatus that obtains in this message is so that Surveillance center is with the positional information of this positional information as described user terminal.
14. access point apparatus according to claim 13 is characterized in that, the 3rd acquisition module comprises:
Transmitting element is used for sending the position enquiring request message to location-server, and this message comprises the sign of the access point apparatus that needs are inquired about, and described positioning server stores has the corresponding relation of the positional information of the sign of access point apparatus and access point apparatus;
Receiving element is used to receive the position enquiring response message that location-server sends, the positional information of carrying access point apparatus in this message.
15. access point apparatus according to claim 13 is characterized in that, described positional information is a latitude and longitude information; The 3rd acquisition module comprises:
First acquiring unit is used to obtain on three diverse locations the round-trip delay of the latitude and longitude information of user terminal and user terminal and access point apparatus;
Second acquisition unit is used for the latitude and longitude information that latitude and longitude information and round-trip delay according to described user terminal obtain access point apparatus.
16., it is characterized in that the positional information of described access point apparatus is the address information of access point according to claim 13 or 14 described access point apparatus.
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