CN100388865C - Method for realizing cross-location positioning service in PHS system - Google Patents
Method for realizing cross-location positioning service in PHS system Download PDFInfo
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- CN100388865C CN100388865C CNB2005101008567A CN200510100856A CN100388865C CN 100388865 C CN100388865 C CN 100388865C CN B2005101008567 A CNB2005101008567 A CN B2005101008567A CN 200510100856 A CN200510100856 A CN 200510100856A CN 100388865 C CN100388865 C CN 100388865C
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Abstract
The present invention provides a method for realizing a cross-location positioning service in a PHS system, which comprises the following steps: a positioning service client sends a positioning request to a gateway positioning centre which sends a positioning request to an exchanger; the exchanger sends route request messages of the positioning service to an attribution position register (APR); the APR sends messages providing user information of the positioning service to a positioned user's calling exchanger; the calling exchanger returns response messages of the user information to the APR; the APR returns response messages of a route request to the exchanger initializing positioning; the exchanger initializing positioning returns positioning results and other information in the response messages of the route request to the gateway positioning centre; the gateway positioning centre returns the positioned user's position information to the positioning service client. The present invention realizes the cross-location positioning service on the basis of full utilization on the functions of the existing gateway positioning centre and the supporting degree for MAP of entities in a PHS network.
Description
Technical field
The present invention relates to a kind of method that in PHS system (personnel hand system), realizes striding innings positioning service.
Background technology
Positioning service refers to the position that obtains portable terminal in mobile communcations system by wireless location technology, and provides corresponding service based on the position of portable terminal.The main application of positioning service comprises: public safety urgent call, value-added service etc.
In mobile communcations system, there is standard that functional mode, system configuration, the message flow of navigation system are defined and describe.Navigation system the traditional network entity, also comprises the network entity that increases newly in comprising mobile network.The former comprises portable terminal, mobile switching centre and attaching position register, and the latter comprises the mobile gateway centre of location, geographical position service system and location services clients machine.General position fixing process is mutual with the attaching position register of the portable terminal that is positioned by the mobile gateway centre of location, and status of mobile terminal and the mobile switching centre address that roams into obtain to be positioned at present.And then it is mutual by the MSC/VLR (mobile switching center) or the position determining entity of the mobile gateway centre of location and roaming place, MSCNLR or position determining entity by the roaming place carry out last concrete position fixing process, and then positioning result is returned to the mobile gateway centre of location.This localization method one is that the MAP tenability to the legacy network entity has higher requirement; The 2nd, the newly-increased mobile gateway centre of location is had relatively high expectations; The 3rd, portable terminal there is specific (special) requirements.And at present in the PHS network gateway centre of location general with certain Access Network or certain switchboard direct connection, between the gateway centre of location and the attaching position register or and other do not have not possess between the direct-connected switch mutual mutual ability.
Along with the local network scale is increasing, the exchange of a lot of districts and cities existing a plurality of PHS system exists.Because PHS user has certain mobility, can move by these interexchanges in this locality, in case moving to the existing gateway centre of location, the user do not have under the direct-connected switch, the location situation of PHS switch has just appearred striding.If in the PHS network, take the general location technology in the above-mentioned mobile communcations system, bigger to existing P HS web influence, require few innings localization method of striding so need to seek a kind of existing network is revised.
Summary of the invention
Technical problem to be solved by this invention provides a kind of can making full use of on existing gateway centre of location function and the basis of each entity of PHS network to the MAP degree of support in existing PHS network, realization is striden innings positioning service and network amendment is required less method.
Method of the present invention may further comprise the steps:
One, the location services clients machine sends Location Request to the gateway centre of location;
Two, the gateway centre of location sends Location Request to the switch of initiating the location;
Three, after switch is received Location Request, the discovery user's movable (information that the user that is positioned is arranged in the VLR Visitor Location Register) in this switch scope that is positioned, directly cooperate and finish position fixing process with Access Network, positioning result is returned to the gateway centre of location (if Access Network is to the switch location request initiating, exchange opportunity returns to Access Network with positioning result earlier, is given to the gateway centre of location again by Access Network); Otherwise switch sends the SRI (route request information) that is used for positioning service to the user's that is positioned attaching position register, and the switch transparent transmission gets final product.We call the switch that sends the positioning service route request information switch of initiating the location at this.
Four, be positioned user's attaching position register finds that the route request information receive is triggered by positioning service, sends the PSI (user profile message is provided) that is used for positioning service to the user's that is positioned visit switch;
Five, the visit switch receive be used for positioning service user profile message is provided after, return PSIAck (the user profile response message is provided) to attaching position register, positioning result is returned to attaching position register;
Six, attaching position register returns SRIAck (route requests response message) to the switch of initiating the location again, the positioning result that carries in the PSIAck message is transmitted to the switch of initiating the location; Can carry the visit switch address in the SRIAck message.
Seven, the switch of initiation location returns to the gateway centre of location with the positioning result in the SRlAck message and other information;
Eight, the gateway centre of location returns to the location services clients machine to the user position information that is positioned.
If the gateway centre of location does not directly link to each other with the switch of initiating the location, but link to each other with Access Network, then in step 2, the gateway centre of location to the concrete steps that the switch of initiating the location sends Location Request is: the gateway centre of location sends Location Request to the Access Network that is attached thereto, and the Access Network that receives Location Request sends Location Request to the switch that is attached thereto; In step 3, the concrete steps that positioning result returned to the gateway centre of location are: exchange opportunity returns to Access Network with positioning result earlier, is given to the gateway centre of location again by Access Network; In step 7, the switch of initiating the location with the concrete steps that the positioning result in the SRIAck message and other information return to the gateway centre of location is: exchange opportunity returns to Access Network with positioning result earlier, is given to the gateway centre of location again by Access Network.
Whether informational message (PSI) can be carried and is used to the information of locating in the locating request message in informational message in the step 3 (SRI) and the step 4, such as the positioning result content of the positioning accuracy that requires, requirement, ask current location to regain etc.
In the above-mentioned step 4, also comprise an EOI step, specific as follows: the user's that is positioned attaching position register finds that the route request information of receiving is triggered by positioning service, find simultaneously to be positioned User Status not to or do not have a positional information, can't finish location to the user, return routing failure to the switch of initiating the location, finish this position fixing process.
Preferred concrete steps in the above-mentioned step 5 are as follows: the visit switch receive be used for positioning service user profile message is provided after, according to information that is used in the locating request message locating and the visit switch user profile that is positioned of preserving, whether decision uses the customer position information strategy that is positioned that directly returns network side preservation, if successful Application should strategy, assembling is also returned to attaching position register user profile response message (PSIAck) is provided, and the customer position information that is positioned of network side preservation is returned to attaching position register; Otherwise cooperate with wireless access network and finish position fixing process by the visit switch, return PSI Ack, positioning result is returned to attaching position register to attaching position register.Use the customer position information strategy that directly returns network side preservation, can reduce the paging number of times of visit switch like this, save Radio Resource.
In the above-mentioned step 5, the concrete steps whether decision uses the customer position information strategy that is positioned that directly returns network side preservation are: if the information that is used for locating in the locating request message of carrying does not ask current location to regain, and VLR Visitor Location Register is preserved the customer position information that satisfies positioning accuracy and positioning result content request, in order to reduce the paging number of times, design a kind of time strategy, this time strategy is to judge that be positioned type of user terminal and the customer position information that is positioned preserved in the visit switch have time delay how long from the current time, and judge according to this time delay whether the customer position information that is positioned is effective, if effectively, then directly return the customer position information that is positioned of network side preservation, assembling also sends PSIAck message to attaching position register; If it is invalid, then needing to visit switch cooperates with wireless access network and obtain to be positioned user position information: the visit switch sends locating request message GetUserLocation to wireless access network, has the relevant GetUserLocation parameter in location in the message.
In step 4, when attaching position register sends PSI, according to the information that is used in the locating request message locate and known visit switch tenability, send the PSI message of common request position information, the visit switch of suitable compatible early version to the location.Before visit switch upgrades software, also can finish the part positioning service like this.
If in step 5, attaching position register is not received the location response that PSIAck returns success, and then in step 6, attaching position register sends the location failed message to the switch of initiating the location.
If in step 6, initiate the switch of location and do not receive SRIAck message, then in step 7, the group of switches of initiating the location sets a Location Request response message of failure and sends to wireless access network.
After adopting the method for the invention to realize striding innings positioning service, compare with the navigation system in the present PHS network, only need in the PHS network switch and attaching position register to route request message, route response message with user profile message is provided, provides the tenability of user profile response message to expand, just can support to exist in the local network exchange of a plurality of PHS system, when PHS user moves at these interexchanges of this locality, no matter move under which switch, can realize being positioned.
Description of drawings
Fig. 1 is based on the network configuration of positioning service in the background knowledge.
Fig. 2 is a kind of network configuration based on positioning service on the existing network (a kind of network configuration that the present invention uses).
Fig. 3 is the schematic flow sheet of localization method of the present invention.
Fig. 4 is the schematic flow sheet of a kind of specific implementation of localization method of the present invention.
Embodiment
Below in conjunction with accompanying drawing, specific implementation of the present invention is described.
Positioning service network configuration in the accompanying drawing 1 comprises portable terminal (mobile phone), wireless access network, mobile switch (MSCNLR), the gateway centre of location, attaching position register, location services clients machine.General position fixing process is mutual with the attaching position register of the portable terminal that is positioned by the mobile gateway centre of location, and status of mobile terminal and the mobile switching centre address that roams into obtain to be positioned at present.And then mutual by the MSCNLR or the position determining entity of the mobile gateway centre of location and roaming place, carry out last concrete position fixing process by the MSCNLR of roaming place or position determining entity, and then positioning result is returned to the mobile gateway centre of location.
The network configuration of the positioning service in the accompanying drawing 2 comprises switch, wireless access network 1, the gateway centre of location, the location services clients machine of portable terminal (mobile phone), wireless access network 2, visit switch, attaching position register, initiation location.
Accompanying drawing 3 has been described innings localization method of striding provided by the present invention, mainly may further comprise the steps: 3.1, the location services clients machine sends Location Request to the gateway centre of location; 3.2, the gateway centre of location sends Location Request to Access Network or switch.If send Location Request to Access Network, Access Network is transmitted locating request message and is given switch; 3.3, after switch receives locating request message,, send the route request information that is used to locate to attaching position register if be positioned the user not under this switch; 3.4, attaching position register to the user's that is positioned visit switch send be used to locate user profile message is provided; 3.5, visit switch or use the customer position information of storage, perhaps cooperate and finish position fixing process with wireless access network, obtain the user position information that is positioned; 3.6 the visit switch sends the user profile response message is provided, and the positional information that obtains is returned to attaching position register; 3.7, attaching position register sends the route requests response message, the positional information that obtains and the user's that is positioned visit switch address is returned to initiates the switch of locating; 3.8, the switch of initiating the location returns to the gateway centre of location to positional information that obtains and visit switch address (if switch is a locating request message of receiving Access Network, switch returns to Access Network to positional information that obtains and visit switch address so, is transmitted to the gateway centre of location by Access Network); 3.9, the gateway centre of location returns the user position information that is positioned and gives the location professional client computer.
Accompanying drawing 4 has been described innings localization method of striding of a kind of specific implementation of the present invention, may further comprise the steps:
401, wireless access network sends locating request message to the switch that is attached thereto.Further, can carry a parameter in the message and further describe requirement (we definition parameter name be UserLocationType): the positioning result content (such as base station IDs, user position latitude and longitude information etc.) of the positioning accuracy of requirement (such as location, single base station, location, three base stations etc.), requirement, whether ask current location to regain etc. for the location.
402, after exchange is received locating request message, in VLR Visitor Location Register, search the user's that is positioned information, user's the information if be not positioned, show and be positioned the user at present not under this switch, switch sends SRI message to the user's that is positioned attaching position register, be the new enumerated value CellStationlnformation (base station information) of the parameter I nterrogationType in the message (query type parameter) definition, expression is used for the SRI message of positioning service, and the relevant UserLocationType information in transparent transmission location in the message.
403, attaching position register is judged SRI message and is used for positioning service, send the PSI message of positioning service to the visit switch at user place, be the new value CellStationlnformation of the parameters R equestedlnfo in the message (solicited message parameter) definition, expression is used for the PSI message of positioning service, and can transmit the relevant UserLocationType information in location in the message.If attaching position register is found to be positioned User Status not to or the address information of record visit switch, can't finish location to the user, then, finish this position fixing process, can not send PSI message to the switch restoring to normal position failure of initiating the location.
Whether 404, visit is after switch receives the PSI message that is used for positioning service, according to positioning accuracy, positioning result content in the UserLocationType information that obtains, ask current location to regain to determine whether needs are initiated Location Request to wireless side.If do not ask current location to regain in the UserLocationType information, and VLR Visitor Location Register is preserved the customer position information that satisfies positioning accuracy and positioning result content request, in order to reduce the paging number of times, design a kind of time strategy, this time strategy is to judge that be positioned type of user terminal and the customer position information that is positioned preserved in the visit switch have time delay how long from the current time, and judge according to this time delay whether the customer position information that is positioned is effective, if effectively, then directly return the customer position information that is positioned of network side preservation, assembling also sends PSIAck message to attaching position register, skips to 507.Customer position information is invalid if be positioned, then needing to visit switch cooperates with wireless access network and obtain to be positioned user position information: the visit switch sends locating request message GetUserLocation to wireless access network, has the relevant GetUserLocation parameter in location in the message.
405, the visit switch is received the GetUserLocationAck message that wireless access network returns, and carries positioning result in the message, also may carry the extend information relevant with the customer position information that is positioned.
406, the visit switch sends PSIAck message to attaching position register, and the content in the GetUserLocationAck message is transmitted to attaching position register.
If the location response that 407 PSIAck return success, attaching position register sends SRIAck message to the switch of initiating the location, content in the PSIAck message is transmitted to the switch of initiating the location, can carries the address of visit switch in the SRIAck message.Otherwise attaching position register sends the location failed message to the switch of initiating the location.
408, initiate the switch of location to wireless access network restoring to normal position request response.Received SRIAck message if initiate the switch of location, the content with SRIAck message in the Location Request response message is transmitted to Access Network; Otherwise the Location Request response message of assembling location failure sends to wireless access network.
According to above description as can be known, by the route requests flow process that switch is initiated to the user's that is positioned attaching position register, and the user's that is positioned attaching position register just can realize striding the positioning service of office to the expansion that the user profile flow process is provided of visit switch initiation.For intelligent HLR (Smart Home Location Register) networking that present telecommunications is being implemented, may there be two HLR simultaneously in existing network: one is intelligent HLR, a PHS HLR (PHS user attaching location register).The switch support is mutual with intelligent HLR's.After switch is received locating request message, at first with the conversion of mutual completion logic number of intelligent HLR and physical number, and then to the PHS HLR request user position information that is positioned, realize that the office of striding of mixing the user that distributes telephone numbers locatees.When network evolves to when having only an intelligent HLR networking, after switch is received locating request message, also can be earlier and of the conversion of the mutual completion logic number of intelligent HLR, and then to the intelligent HLR request user position information that is positioned with physical number, realize that the office of striding of mixing the user that distributes telephone numbers locatees.Therefore only need in the method for the present invention intelligent HLR networking afterwards to revise the logic that handle locating request message switch inside, just can realize mixing the user's that distributes telephone numbers the office of striding location.
Although the present invention has carried out special description to a kind of innings localization method of striding of concrete enforcement, but the above embodiments is illustrative and not restrictive, without departing from the spirit and scope of the present invention, all variations and revising all within the scope of the present invention.
Claims (10)
1. implementation method of striding innings positioning service in the PHS system may further comprise the steps:
One, the location services clients machine sends Location Request to the gateway centre of location;
Two, the gateway centre of location sends Location Request to the switch of initiating the location;
Three, after switch was received Location Request, the user that finds to be positioned was movable in this switch scope, directly cooperated with Access Network and finished position fixing process, and positioning result is returned to the gateway centre of location; Otherwise switch sends the route request information that is used for positioning service to the user's that is positioned attaching position register;
Four, be positioned user's attaching position register finds that the route request information receive is triggered by positioning service, to the user's that is positioned visit switch send be used for positioning service user profile message is provided;
Five, the visit switch receive be used for positioning service user profile message is provided after, return the user profile response message to attaching position register, positioning result is returned to attaching position register;
Six, attaching position register returns the route requests response message to the switch of initiating the location again, the positioning result that carries in the user profile response message is transmitted to the switch of initiating the location;
Seven, the switch of initiation location returns to the gateway centre of location with the positioning result in the route requests response message and other information;
Eight, the gateway centre of location returns to the location services clients machine to the user position information that is positioned.
2. implementation method according to claim 1, it is characterized in that, if the gateway centre of location does not directly link to each other with the switch of initiating the location, but link to each other with Access Network, then in step 2, the gateway centre of location to the concrete steps that the switch of initiating the location sends Location Request is: the gateway centre of location sends Location Request to the Access Network that is attached thereto, and the Access Network that receives Location Request sends Location Request to the switch that is attached thereto; In step 3, the concrete steps that positioning result returned to the gateway centre of location are: exchange opportunity returns to Access Network with positioning result earlier, is given to the gateway centre of location again by Access Network; In step 7, the switch of initiating the location with the concrete steps that the positioning result in the route requests response message and other information return to the gateway centre of location is: exchange opportunity returns to Access Network with positioning result earlier, is given to the gateway centre of location again by Access Network.
3. according to the implementation method described in claim 1 or 2, it is characterized in that, provide user profile message to carry to be used in the locating request message information of locating in the step 3 in route request information and the step 4, such as the positioning result content of the positioning accuracy that requires, requirement, whether ask current location to regain etc.
4. according to the implementation method described in claim 1 or 2, it is characterized in that, in the above-mentioned step 4, also comprise an EOI step, specific as follows: the user's that is positioned attaching position register finds that the route request information of receiving is triggered by positioning service, find simultaneously to be positioned User Status not to or do not have positional information, can't finish location to the user, return routing failure to the switch of initiating the location, finish this position fixing process.
5. according to the implementation method described in the claim 3, it is characterized in that, the concrete steps of above-mentioned step 5 are as follows: the visit switch receive be used for positioning service user profile message is provided after, according to information that is used in the locating request message locating and the visit switch user profile that is positioned of preserving, whether decision uses the customer position information strategy that is positioned that directly returns network side preservation, if successful Application should strategy, assembling is also returned to attaching position register the user profile response message is provided, and the customer position information that is positioned of network side preservation is returned to attaching position register; Otherwise cooperate with wireless access network and finish position fixing process by the visit switch, return the user profile response message, positioning result is returned to attaching position register to attaching position register.
6. according to the implementation method described in the claim 5, it is characterized in that, in the above-mentioned step 5, the concrete steps whether decision uses the customer position information strategy that is positioned that directly returns network side preservation are: if the information that is used for locating in the locating request message of carrying does not ask current location to regain, and VLR Visitor Location Register is preserved the customer position information that satisfies positioning accuracy and positioning result content request, then in order to reduce the paging number of times, design a kind of time strategy, this time strategy is to judge that be positioned type of user terminal and the customer position information that is positioned preserved in the visit switch have time delay how long from the current time, and judge according to this time delay whether the customer position information that is positioned is effective, if effectively, then directly return the customer position information that is positioned of network side preservation, assembling also sends the user profile response message to attaching position register; If invalid, then need to visit switch and cooperate with wireless access network and obtain to be positioned user position information: the visit switch sends locating request message to wireless access network, has the relevant locating request message parameter in location in the message.
7. according to the implementation method described in claim 1 or 2, it is characterized in that, in step 4, attaching position register sends when user profile message is provided, the tenability according to information that is used in the locating request message locate and known visit switch to locating, what send common request position information provides user profile message, the visit switch of compatible early version.
8. according to the implementation method described in claim 1 or 2, it is characterized in that, if in step 5, attaching position register is not received the location response that the user profile response message returns success, then in step 6, attaching position register sends the location failed message to the switch of initiating the location.
9. according to the implementation method described in claim 1 or 2, it is characterized in that,, initiate the switch of location and do not receive the route requests response message if in step 6, then in step 7, the group of switches of initiating the location sets the Location Request response message of failing the position and sends to wireless access network.
10. implementation method according to claim 1 is characterized in that, in the above-mentioned step 6, attaching position register returns the route requests response message to the switch of initiating the location again, can carry the visit switch address in this route requests response message.
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| CNB2005101008567A CN100388865C (en) | 2005-11-04 | 2005-11-04 | Method for realizing cross-location positioning service in PHS system |
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| JP2000356672A (en) * | 1999-06-15 | 2000-12-26 | Nec Corp | Position information service system by using phs and its method |
| JP2003348232A (en) * | 2002-05-24 | 2003-12-05 | Matsushita Electric Ind Co Ltd | Roaming network system |
| CN1482763A (en) * | 2003-07-24 | 2004-03-17 | 武汉奥发科技工程有限公司 | Location service network based on wireless interconnection |
| CN1486071A (en) * | 2002-09-28 | 2004-03-31 | 深圳市中兴通讯股份有限公司 | Localization method of PHS system user |
| CN1494349A (en) * | 2002-10-28 | 2004-05-05 | 深圳市中兴通讯股份有限公司 | Method of realizing user calling signalling tracking in mobile communication system |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000356672A (en) * | 1999-06-15 | 2000-12-26 | Nec Corp | Position information service system by using phs and its method |
| JP2003348232A (en) * | 2002-05-24 | 2003-12-05 | Matsushita Electric Ind Co Ltd | Roaming network system |
| CN1486071A (en) * | 2002-09-28 | 2004-03-31 | 深圳市中兴通讯股份有限公司 | Localization method of PHS system user |
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| CN1482763A (en) * | 2003-07-24 | 2004-03-17 | 武汉奥发科技工程有限公司 | Location service network based on wireless interconnection |
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