CN101848415A - Method for positioning network side starting visit place by using location platform during roaming of terminal - Google Patents
Method for positioning network side starting visit place by using location platform during roaming of terminal Download PDFInfo
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- CN101848415A CN101848415A CN200910119745A CN200910119745A CN101848415A CN 101848415 A CN101848415 A CN 101848415A CN 200910119745 A CN200910119745 A CN 200910119745A CN 200910119745 A CN200910119745 A CN 200910119745A CN 101848415 A CN101848415 A CN 101848415A
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Abstract
The invention provides a method for positioning a network side starting visit place by using a location platform during the roaming of a terminal. The method comprises the following steps that: a secure user plane location (SUPL) agent starts to position a target terminal and transmits a trigger parameter to a relative home location server; the home location server transmits the trigger parameter to a visit location server; and the visit location server acquires the trigger parameter. In the method, the trigger parameter is packed to standard SUPL roam location in-time request (SSRLIR) information and then is transmitted to a visit SUPL location platform (V-SLP), so that the V-SLP can acquire the trigger parameter, and the triggered location problem under the condition that the V-SLP is responsible for location when a SUPL enabled terminal (SET) roams is solved.
Description
Technical field
The present invention relates to moving communicating field, relate in particular to a kind of method that realizes the network side starting visit place by using location platform during roaming of terminal location.
Background technology
As one of characteristic service of mobile communication system, positioning service is considered to a bright spot of following mobile value-added service always.At present, the main mobile communication carrier of North America, Europe and the Asian-Pacific area has all opened mobile location service.Positioning service is a business the most attractive in the mobile value-added service, also is industrial chain cooperation link one of complicated service the most simultaneously.Running fix can help individual and group customer to obtain the various services and the information of position-based inquiry whenever and wherever possible.Operator can utilize the mobile network resource of oneself, in conjunction with short message service system, GPS (GPS (Global Position System)) and service system of gis (electronic chart), cooperate with service provider with content, for individual and group customer provide colourful running fix application service.
Below in conjunction with Fig. 1, illustrate that the main network element of navigation system constitutes at present.
Secure user plane location (Secure User Plane Location, being called for short SUPL) network element that mainly comprises of system has: SUPL Agent (SUPL agency), ownership place location server (Home SLP, ownership place SLP, be abbreviated as H-SLP, wherein SLP is SUPL Location Platform, the SUPL locating platform), visit ground location server (Visit SLP, visit ground SLP, be abbreviated as V-SLP) and SUPL terminal (SUPL Enabled Terminal, the portable terminal of support SUPL is abbreviated as SET).Wherein, agreement between SUPL agency and the ownership place location server is MLP (a running fix agreement), agreement between ownership place location server and the visit ground location server is RLP (a roaming location protocol), and the agreement between ownership place location server and the terminal is ULP (user's face location protocol).SLP comprises SPC (SUPL Positioning Center, the SUPL centre of location) and SLC (SUPL LocationCenter, SUPL place-centric) usually, wherein SPC is used to carry out the location Calculation correlation function, and as safety, auxiliary data is sent, reference data is obtained, location Calculation etc., and SLC is used for the SUPL operation of coordinated control network, as privacy, initialization, safety, roaming is supported, charge service management, functions such as location Calculation.
At present, the location of OMA (international Open Mobile Alliance) definition is divided into the location that location that network initiates and terminal are initiated, and wherein the network location of initiating is divided into location under the proxy mode and the location under the non-proxy mode again.SPC and the not direct communication of SUPL terminal under the proxy mode, in this case, SLC carries out agency's effect between SET and SPC.SPC can directly communicate by letter with SET under the non-proxy mode.Under proxy mode, location server mainly contains H-SLP and V-SLP, and under non-proxy mode, location server mainly contains H-SLC, V-SLC and V-SPC.When SET was in roaming, if under the proxy mode, the entity of being specifically responsible for location Calculation both may be H-SLP, may be again V-SLP; If be under the non-proxy mode, what be specifically responsible for location Calculation may be H-SPC (HomeSPC, the ownership place SUPL centre of location), also may be V-SPC (Visit SPC, the visit ground SUPL centre of location).At present, the orientation problem that OMA has defined RLP (roaming location protocol) agreement when solving portable terminal and being in roaming, this protocol definition the locating interface function between H-SLP and the V-SLP.
For the mode of concrete initiation Location Request, both can be disposable timely Location Request, can be the Location Request of trigger-type also, comprise periodic triggers Location Request and the request of zone issue triggered location etc.
When SET is under the roaming condition, and when being responsible for the trigger-type location by the locating platform on visit ground, SET need pass through H-SLP (or H-SLC) and V-SLP, and (or V-SLC V-SPC) sets up location sessions; Wherein, use the ULP agreement between SET and the H-SLP (or H-SLC), H-SLP and V-SLP (or V-SLC, V-SPC) between use RLP agreement.According to existing technology, H-SLP (or H-SLC) just the ULP localization message simply is bundled to send in the supl_message field of RLP SSRLIR (request in time of standard SUPL roaming location) V-SLP (or V-SLC, V-SPC); V-SLP also just simply simply is bundled to the SUPL TRIGGERED RESPONSE that promptly will reply to SET (response of SUPL triggered location) message in the supl_message field of RLP SSRLIA (standard SUPL roaming location in time responds) and sends to H-SLP (or H-SLC), and is unpacked by H-SLP (or H-SLC) again SUPL TRIGGERED RESPONSE is mail to SET.
According to the ULP agreement, if during the trigger-type Location Request of initiating for network side, the Trigger params (trigger parameter) in the SUPL of ULP TRIGGERED START (request of SUPL triggered location) message is necessary for sky; If during the trigger-type Location Request of initiating for user terminal, this is necessary for non-NULL, its purpose is exactly in order V-SLP to be distinguished be on earth triggered location request that network side initiates or the triggered location request of being initiated by user terminal.So can not take among the V-SLP by RLP SSRLIR or SUPL TRIGGERED START by the trigger parameter that SUPL Agent is entrained, cause RLP SSRLIA that V-SLP after this replys with and the SUPL TRIGGEREDRESPONSE that comprises in all do not have previous trigger parameter, the SUPL TRIGGEREDRESPONSE that SET receives does not carry trigger parameter yet, promptly can not the trigger parameter that SUPL Agent is entrained take visit ground locating platform (V-SLP, or V-SLC and V-SPC) and SET to.Owing to trigger parameter can not be delivered to V-SLP by RLP and ULP agreement, cause V-SLP disappearance trigger parameter and can not normally finish the trigger-type location.Therefore, the prior art existing problems are needed solution badly.
Summary of the invention
The technical problem to be solved in the present invention provides the method for a kind of network side starting visit place by using location platform during roaming of terminal location, makes V-SLP can obtain the trigger parameter that the SUPL agency passes over, and normal the realization is responsible for triggered location by V-SLP.
In order to solve the problems of the technologies described above, the invention provides the method for a kind of network side starting visit place by using location platform during roaming of terminal location, comprising:
Secure user plane location agency initiates the location to target terminal, and trigger parameter is sent to relevant ownership place location server; Described ownership place location server sends described trigger parameter to visit ground location server; Described visit ground location server obtains described trigger parameter.
Further, said method also can have following characteristics:
Ownership place location server and target terminal are mutual, and described target terminal sends triggering request to the ownership place location server;
Described ownership place location server sends described triggering request to described visit ground location server;
Described visit ground location server returns triggered response message to described ownership place location server, and described ownership place location server is transmitted described triggered response message and given described target terminal, comprises described trigger parameter in the described triggered response message.
Further, said method also can have following characteristics:
It is to send to visit ground location server in the SSRLIR message that described ownership place location server is packed into the request in time of roaming location, standard security user plane location with described trigger parameter and described triggering request.
Further, said method also can have following characteristics:
It is to send to the ownership place location server in the SSRLIA message that described visit ground location server is packed into the response in time of roaming location, standard security user plane location with triggered response message.
Further, said method also can have following characteristics:
Carrier area parameter indication information in the described SSRLIR message, described visit ground location server determines whether carrier area identification list in SSRLIA message according to this region parameter indication information.
Further, said method also can have following characteristics:
During described region parameter indication information indication carrier area identification list, carrier area identification list in described SSRLIA message, otherwise, carrier area identification list not in described SSRLIA message.
Further, said method also can have following characteristics:
In described SSRLIA message, increase the area triggering parameter field, be used to carry described area identification tabulation.
Further, said method also can have following characteristics:
Under the proxy mode, described ownership place location server is ownership place secure user plane location locating platform H-SLP, and described visit ground location server is secure user plane location, visit ground locating platform V-SLP.
Further, said method also can have following characteristics:
Under the non-proxy mode, described ownership place location server is ownership place secure user plane position location center H-SLC, described visit ground location server is visit ground secure user plane centre of location V-SPC and visit ground secure user plane position location center V-SLC, described H-SLC sends to described V-SLC with described trigger parameter, described V-SLC and described V-SPC are mutual, and described V-SLC returns described triggered response message to described H-SLC.
Further, said method also can have following characteristics:
In described SSRLIR message, increase the trigger parameter field, be used to carry described trigger parameter.
The method of the invention sends to V-SLP by trigger parameter is packed in the SSRLIR message, makes V-SLP can obtain trigger parameter, solves when SET is in roaming the problem of the triggered location under the situation that V-SLP is responsible for locating.In addition, V-SLP carries trigger parameter and is transmitted to SET by H-SLP in triggered response, makes SET also obtain trigger parameter, is convenient to the subsequent triggers location.
Description of drawings
Fig. 1 is the main network element that relates to of navigation system and the schematic diagram of interface protocol thereof;
Fig. 2 is the roaming positioning service schematic diagram of RLP agreement;
Fig. 3 is that roaming condition lower network side of the present invention is initiated V-SLP positioning flow under the proxy mode;
Fig. 4 is that roaming condition lower network side of the present invention is initiated V-SLC positioning flow under the non-proxy mode.
Embodiment
Main thought of the present invention is, H-SLP carries trigger parameter and triggering request in SSRLIR message, SSRLIR message is sent to V-SLP, V-SLP returns triggered response message and gives H-SLP, carry trigger parameter in the triggered response message, H-SLP sends to SET with this triggered response message, thereby makes V-SLP and SET all can obtain trigger parameter, realizes triggered location.
Realize to carry trigger parameter in the SSRLIR message, need the DTD (DTD) of the SSRLIR message in the existing RLP agreement be expanded, the trigger parameter that makes H-SLP the SUPL agency can be sent is delivered to V-SLP and SET, thereby makes V-SLP realize the trigger-type location.
The SSRLIR of RLP agreement and the expansion of SSRLIA message are comprised:
1) RLP SSRLIR message is except can carrying supl_session_id (SUPL session identification) and supl_message (SUPL message), can also carry trigger parameter, promptly in RLP SSRLIR message, increase the trigger parameter field, carry trigger parameter, here be meant and can carry the trigger parameter that is sent to H-SLP at first by SUPLAgent, V-SLP just can obtain trigger parameter like this; V-SLP carries trigger parameter in SUPL TRIGGERED RESPONSE, H-SLP transmits SUPLTRIGGERED RESPONSE and gives SET, makes SET also can obtain trigger parameter.
2) RLP SSRLIA message can also be carried the area identification tabulation that V-SLP produces except can carrying supl_session_id and supl_message, and H-SLP can be known the area identification tabulation that V-SLP produces from this message like this.
Provide a concrete expansion RLP SSRLIR below, the method for the DTD of SSRLIA, but the present invention is not limited to this.
Expansion to SSRLIR specifically comprises:
Content to the SSRLIR increase:
1)<！ELEMENT?change_area(target_area，no_of_reports？)>
The element (target area (essential), the number of times of report (optional)) of defined range Event triggered change_area by name;
2)<！ATTLIST?change_area
type(MS_ENTERING|MS_LEAVING|MS_WITHIN_AREA|MS_OUTSIDE_AREA)#REQUIRED
req_area_params(TRUE|FALSE)″FALSE″>
loc_estimates(TRUE|FALSE)#REQUIRED>
Increased the attribute list of change_area, having comprised:
Type (terminal enters certain zone | and terminal is left certain zone | and terminal is in the zone | terminal is outside the zone) (essential one);
Whether ask area triggering parameter (be | not), default to not;
Position prediction (be | not) (essential).
3)<！ELEMENT?target_area(shape|cc|plmn|name_area)>
Located target area target_area (shape | national code (cc) | the PLMN sign indicating number | the zone of name) (essential one)
4)<！ELEMENTno_of_reports(#PCDATA)>
Defined the frequency n o_of_reports (#PCDATA type) of report
5)<！ELEMENT?name_area(#PCDATA)>
Defined the regional name_area (#PCDATA type) of name
6)<！ELEMENT?plmn(mcc，mnc)>
Definition PLMN (Mobile Country Code MCC (mcc), Mobile Network Code (mnc))
7)<！ELEMENT?area_params((geo_target_area)*，(area_id_list)*)>
Defined range trigger event parameter (area_params), in have:
Geography target zone (0 or a plurality of) and area identification (ID) tabulation (0 or a plurality of)
8)<！ELEMENT?geo_target_area(CircularArea|EllipticalArea|Polygon)>
The shape geo_target_area in definition geography target zone (circle | ellipse | polygon) (essential one)
9)<！ELEMENT?area_id_list(Area_Id+，Geo_Area_Index*)>
The defined range ID area_id_list (area I D (one or more), geographic area index (0 or a plurality of)) that tabulates
10)<！ELEMENT?Area_Id(GSM_Area_Id|Wcdma_Area_Id|Td_scdma_Area_Id|Cdma_Area_Id|HRPD_Area_Id|UMB_Area_Id|LTE_Area_Id|Wlan_Area_Id|Wimax_Area_Id)>
Defined range ID type Area_Id (the GSM type | the WCDMA type | the Td_scdma type | the Cdma type | the HRPD type | the UMB type | the LTE type | the Wlan type | the Wimax type) (essential one)
11)<！ELEMENT?GSM_Area_Id(mcc？，mnc？，lac？，cellid？)>
Definition GSM area I D is GSM_Area_Id (mcc (optional), mnc (optional), lac (lane place number) (optional), cellid (cell unit sign indicating number) (optional))
12)<！ELEMENTWcdma_Area_Id(mcc？，mnc？，lac？，uc_id？)>
Definition WCDMA area I D (mcc (optional), mnc (optional), lac (optional), (UTRAN unit number) uc_id (optional))
13)<！ELEMENTTd_scdma_Area_Id(mcc？，mnc？，lac？，uc_id？)>
Definition of T D_SCDMA area I D (mcc (optional), mnc (optional), lac (optional), uc_id (optional))
14)<！ELEMENTCdma_Area_Id(sid？，nid？，base_id？)>
Definition CDMA area I D (system identification (sid) (optional), network identification mark (nid) (optional), basic station number (base_id) (optional))
15)<！ELEMENTHRPD_Area_Id(sector_id)>)
Definition HRPD area I D is HRPD_Area_Id (sector_id (essential))
16)<！ELEMENTUMB_Area_Id(mcc？，mnc？，sector_id？)>
Definition UMB area I D is UMB_Area_Id (mcc (optional), mnc (optional), sector_id (optional))
17)<！ELEMENTLTE_Area_Id(mcc？，mnc？，lte_cellid？)>
Definition LTE area I D is LTE_Area_Id (mcc (optional), mnc (optional), lte_cellid (optional))
18)<！ELEMENTWlan_Area_Id(mac_address)>
Definition WLAN area I D is Wlan_Area_Id (mac_address (essential))
19)<！ELEMENTWimax_Area_Id(bs_id)>
Definition WIMAX area I D is Wimax_Area_Id (bs_id (essential))
20)<！ELEMENTsector_id(#PCDATA)>
Definition sector_id (#PCDATA type)
21)<！ELEMENTlte_cellid(#PCDATA)>
Definition lte_cellid (#PCDATA type)
22)<！ELEMENTmac_address(#PCDATA)>
Definition mac_address (#PCDATA type)
23)<！ELEMENTbs_id(#PCDATA)>
Definition bs_id (#PCDATA type)
24)<！ELEMENTGeo_Area_Index(#PCDATA)>
Definition Geo_Area_Index (#PCDATA type)
Content to the SSRLIR modification:
25)<！ELEMENT?ssrlir(supl_session_id，supl_message，interval？，start_time？，stop_time？，duration？，tlrr_event？，qop？％extension.param；)>
Does the present invention increase the time interval (interval to ssrlir?), zero-time (start_time?), concluding time (stop_time?), duration (duration?), TLRR incident (tlrr_event?), positional information quality (qop?), all be option.
Above-mentioned field to SSRLIR expansion is used to carry trigger parameter and is used for carrier area parameter indication information, is used to indicate whether carrier area identification list of SSRLIA.
The content that SSRLIA is made amendment:
<！ELEMENTssrlia(supl_session_id，result，add_info？，supl_message？，area_params？％extension.param；)>
The present invention has increased area triggering parameter (area_params) field in SSRLIA message, if req_area_params (this field be used to indicate SSRLIA whether carrier area identification list) is TRUE (very) in SSRLIR, this field is not a sky; If be FALSE (vacation), this field is empty.This field is used for carrying area_id_list area triggering information such as (area identification tabulations) it is sent to H-SLP from V-SLP.
Below in conjunction with accompanying drawing 2, the signalling diagram that RLP in time serves in standard SUPL roaming location is described.
Step 230-240 positions between ownership place locating platform and the visit ground locating platform alternately.
Wherein, step 230-240's has one or more alternately.
In step 210, in the step 220, by to its SSRLIR, the SSRLIA message format is expanded, and can carry trigger parameter.
Below in conjunction with accompanying drawing 3, illustrate that under the SET roaming condition by the network side SUPL Agent triggered location request of starting, and when being responsible for location Calculation by V-SLP (under the proxy mode), the flow process that it sets up triggered location comprises:
Step 320, H-SLP confirms that target SET is in roaming state, to target SET send that SUPLINIT message begins and target SET between the trigger-type location sessions.
Wherein, the Trigger Params in SUPL TRIGGERED RESPONSE is not at this moment empty, and its content is from RLP SSRLIR message.
In addition, V-SLP determines whether carrier area identification list in RLP SSRLIA message (being carried by the region parameter field) according to the value of region parameter indication information (being carried by the req_area_params field) in the RLP SSRLIR message, if region parameter indication information indication carrier area identification list, carrier area identification list in RLP SSRLIA message then, otherwise carrier area identification list not.Specifically, V-SLP is provided with the value of the area_params field in the RLP SSRLIA message according to the value of req_area_params, if req_area_params is TRUE, then in RLP SSRLIA, area_params is set, carrier area identification list in this field, otherwise this field is empty.
Certainly, also can not carry trigger parameter in the SUPL TRIGGERED RESPONSE message, H-SLP directly sends trigger parameter to SET.
Wherein, the contingent time sequencing of step 370 is dependent on concrete implementation.
Below in conjunction with accompanying drawing 4, illustrate that under the SET roaming condition by the network side SUPL Agent triggered location request of starting, and when being responsible for location Calculation by V-SPC (under the non-proxy mode), it sets up the flow process of triggered location:
Step 410: the SUPL Agent relevant with H-SLC sends MLP TLRR message to H-SLC, wherein carries Trigger Params (trigger parameter).
Step 420:H-SLC confirms that SET is in roaming state, and to SET send that SUPL INIT message begins and SET between triggering session.
Step 430:SET and H-SLC set up the data link, and send SUPLTRIGGERED START message to begin the triggering session between them to H-SLC.
Step 440:H-SLC determines V-SLC and SUPL TRIGGERED START message is bundled in the RLP SSRLIR message, and the TriggerParams that MLP TLRR message in the step 410 is carried covered in the RLP SSRLIR message, RLP SSRLIR message is mail to V-SLC, and notice V-SLC target SET will be initiated a SUPL position fixing process.
Step 450:V-SLC obtains Trigger Params from RLP SSRLIR message, send PREQ (Positioning Request, Location Request) message to V-SPC and carry out triggering SUPL conversational services with request V-SPC.
Trigger Params in SUPL TRIGGERED RESPONSE is not at this moment empty, and its content is from RLP SSRLIR message.
In addition, value according to region parameter indication information (being carried by the req_area_params field) in the RLP SSRLIR message determines whether carrier area identification list in RLP SSRLIA message (being carried by the region parameter field), if region parameter indication information indication carrier area identification list, carrier area identification list in RLPSSRLIA message then, otherwise carrier area identification list not.Specifically, according to the value of req_area_params the value of the area_params field in the RLP SSRLIA message is set,, then in RLP SSRLIA, area_params is set if req_area_params is TRUE, carrier area identification list in this field, otherwise this field is empty.
Step 480:H-SLC gives SET with the SUPL TRIGGERED RESPONSE forwards of receiving, SET therefrom obtains Trigger Params.
If for empty, H-SLC can not obtain the value of this parameter to the area_params of the RLP SSRLIA message of receiving yet.
Step 490:H-SLC sends MLP TLRA message to SUPL Agent, and the request of expression triggered location is accepted.
Wherein, the contingent time sequencing of step 490 is dependent on concrete implementation.
Claims (10)
1. the method for a network side starting visit place by using location platform during roaming of terminal location is characterized in that, comprising:
Secure user plane location agency initiates the location to target terminal, and trigger parameter is sent to relevant ownership place location server; Described ownership place location server sends described trigger parameter to visit ground location server; Described visit ground location server obtains described trigger parameter.
2. the method for claim 1 is characterized in that, described method also comprises,
Ownership place location server and target terminal are mutual, and described target terminal sends triggering request to the ownership place location server;
Described ownership place location server sends described triggering request to described visit ground location server;
Described visit ground location server returns triggered response message to described ownership place location server, and described ownership place location server is transmitted described triggered response message and given described target terminal, comprises described trigger parameter in the described triggered response message.
3. method as claimed in claim 2, it is characterized in that it is to send to visit ground location server in the SSRLIR message that described ownership place location server is packed into the request in time of roaming location, standard security user plane location with described trigger parameter and described triggering request.
4. method as claimed in claim 2 is characterized in that, it is to send to the ownership place location server in the SSRLIA message that described visit ground location server is packed into the response in time of roaming location, standard security user plane location with triggered response message.
5. method as claimed in claim 3 is characterized in that, carrier area parameter indication information in the described SSRLIR message, and described visit ground location server determines whether carrier area identification list in SSRLIA message according to this region parameter indication information.
6. method as claimed in claim 5 is characterized in that, during described region parameter indication information indication carrier area identification list, and carrier area identification list in described SSRLIA message, otherwise, carrier area identification list not in described SSRLIA message.
7. as claim 4 or 5 or 6 described methods, it is characterized in that, in described SSRLIA message, increase the area triggering parameter field, be used to carry described area identification tabulation.
8. as the arbitrary described method of claim 1 to 6, it is characterized in that, under the proxy mode, described ownership place location server is ownership place secure user plane location locating platform H-SLP, and described visit ground location server is secure user plane location, visit ground locating platform V-SLP.
9. as the arbitrary described method of claim 2 to 6, it is characterized in that, under the non-proxy mode, described ownership place location server is ownership place secure user plane position location center H-SLC, described visit ground location server is visit ground secure user plane centre of location V-SPC and visit ground secure user plane position location center V-SLC, described H-SLC sends to described V-SLC with described trigger parameter, described V-SLC and described V-SPC are mutual, and described V-SLC returns described triggered response message to described H-SLC.
10. method as claimed in claim 3 is characterized in that, increases the trigger parameter field in described SSRLIR message, is used to carry described trigger parameter.
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| CN201610100139.2A Division CN105657661A (en) | 2009-03-24 | 2009-03-24 | Method and system for starting positioning of visited place positioning platform by network side during roaming of terminal |
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Application publication date: 20100929 |