CN100471288C - Method and system for obtaining sponsor party position information for target party - Google Patents
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- CN100471288C CN100471288C CNB2005101022600A CN200510102260A CN100471288C CN 100471288 C CN100471288 C CN 100471288C CN B2005101022600 A CNB2005101022600 A CN B2005101022600A CN 200510102260 A CN200510102260 A CN 200510102260A CN 100471288 C CN100471288 C CN 100471288C
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Abstract
The present invention discloses target side obtaining originating side positional information method and system. Said method includes target side configuring relevant parameter, target SLP through reading above-mentioned parametric value judging whether target side request obtaining originating side SET positional information; if request then originating side SET and target side SET simultaneously positioning; originating side and target side SLP respectively transferring received position result to respective SET. Said system includes originating side SET, target side, originating side and target side each attributive SLP, and control module. The present invention effectively utilizes network resources and raises positioning efficiency.
Description
Technical field
The present invention relates to the mobile positioning technique field, especially based on the mobile positioning technique field of safe user plane.
Background technology
Utilize portable terminal (as mobile phone, PDA etc.) to carry out the new direction that the location, geographical position is mobile communication application development in recent years, Location based service is utilized the distinctive positioning function of mobile communication, the geographical position (latitude and longitude coordinates data) that cooperates the definite mobile phone users places of service such as short message, thereby user desired position information is provided, and relevant geographic information services can be provided according to user's position.Extensive use along with Location based service, being on the increase of number of users, people constantly enlarge for the demand of positional information, and mobile positioning technique is constantly development also, the positioning result accuracy of Location based service improves constantly, and the form of positioning service is also more and more diversified.In various technical schemes and technical specification about the location, location protocol (SUPL) based on safe user plane is a kind of based on standard, allow the agreement of mobile phone user and location-server communication, this agreement is by International Standards Organization---and Open Mobile Alliance (OMA) is adopted, and OMA has formulated mobile phone accordingly and started and network originated localization method in its SUPL technical specification.
Simultaneously, OMA considers the diversified demand of mobile phone user to the positioning service form, the localization method that the mobile phone of a kind of enhancing of formulating starts, the cellphone subscriber uses by the Location based service (MLS) that resides on its mobile phone, initiatively initiate location, the position that can obtain the another one target mobile phones by this method cellphone subscriber by the application requests network in the mobile phone to other mobile phones.This technology is to target mobile phones SUPL terminal (SET2) when positioning, be actually the network originated position fixing process that has used SUPL, its normal process as shown in Figure 1, the initiator is by the location of Location based service initiation to target mobile phones, the SLP1 of initiator's mobile phone ownership receives that the SLP2 by target mobile phones adopts the method for the network originated location of SUPL to position to target mobile phones after the Location Request, obtain by SLP2 positioning result being passed to SLP1 behind the positioning result, SLP1 passes to initiator SET1 with this result again.
From above-mentioned technical scheme, do not consider whether target side needs at first to receive the other side's positioning result when being positioned, thereby determine whether to accept the other side location according to the position that can obtain the other side.Present this positioning flow is not considered the fairness that initiator and target side are understood the other side's position attribution, and just determines whether to accept the other side location passively by target side, and this obviously is inequitable to target side.
If target side need be understood initiator's positional information, then need target side to initiate Location Request in addition, adopt above-mentioned technical scheme the initiator to be positioned and receives positioning result, perhaps the initiator initiatively sends to target side with oneself position after to self poisoning.Specifically, if target side SET need obtain the positional information of initiator SET, can only adopt following way in the framework of prior art: at first target side SET adopts network originated positioning flow to locate initiator SET, and then with the self-align flow process that mobile phone starts oneself is located.This technical scheme also can make target side obtain initiator and the positional information of self, but the flow process that starts with respect to top initiator SET, the complicated authentication process of SLP, and used the message of the lower location initialization notice of efficient, be lower than the start efficient of flow process of initiator SET.
Therefore, adopt said method to realize problems such as target side SET exists waste network and server resource to the demand of initiator SET positional information, and positioning time is long, and efficient is low.
Summary of the invention
The object of the present invention is to provide a kind of method and system thereof of obtaining sponsor party position information for target party, these method and system can make the target side terminal obtain initiator's positional information when the initiator locatees it, change the situation of determining whether to receive initiator's Location Request that target side can only be passive, take into account the fairness that initiator and target side are understood the other side's position attribution.
For achieving the above object, the invention provides a kind of method of obtaining sponsor party position information for target party, this method comprises the steps:
A. on the location protocol SUPL locating platform SLP based on safe user plane of target side SUPL terminal SET or its ownership, parameter is set;
B. when initiator SUPL terminal SET proposes Location Request to target side SUPL terminal SET, the SLP of target side SUPL terminal SET ownership judges by the value that reads the target side above-mentioned parameter whether target side SUPL terminal SET needs to obtain the positional information of initiator SUPL terminal SET, if judged result is changeed step c for needing; If judged result is changeed step e for not needing;
C. the SLP of target side SUPL terminal SET ownership activates the position fixing process to initiator SUPL terminal SET, simultaneously self is positioned, respectively the calculating location result;
D. after position result was calculated and finished, initiator SUPL terminal SET sent to target side SUPL terminal SET with the positional information of self, and finish the location;
E. target side SUPL terminal SET positions self, and the calculating location result also passes to initiator SUPL terminal SET with position result, and finish the location.
Wherein the SLP of the described target side SUPL terminal of step b SET ownership judges that by the value that reads the target side above-mentioned parameter positional information whether target side needs to obtain initiator SUPL terminal SET specifically comprises:
The SLP of target side SUPL terminal SET ownership reads the value of parameter described in the SLP of target side SUPL terminal SET or its ownership;
If the value of described parameter is TRUE, then judged result is for need obtain the positional information of initiator SUPL terminal SET, if be FALSE, then judged result is not for needing to obtain the positional information of initiator SUPL terminal SET.
Wherein also comprise among the step b when the initiator proposes Location Request to target side SUPL terminal SET, the SLP of target side SUPL terminal SET ownership judges by the value that reads described parameter whether target side SUPL terminal SET needs to obtain the positional information of self, if desired, then the positional information obtained of the target side SUPL terminal SET described in the steps d also comprises the positional information of himself, if do not need, then the positional information obtained of the SUPL of target side described in steps d terminal SET does not comprise the positional information of himself.
Wherein said target side SUPL terminal SET is at least one.
Wherein described in the step c the network originated position fixing process of SUPL is adopted in the location of initiator SUPL terminal SET or target side SUPL terminal SET, the position fixing process that perhaps adopts the mobile phone of SUPL to start.
Comprise also in the steps d that wherein initiator SUPL terminal SET obtains the step of the positional information of self.
Wherein steps d specifically comprises:
After position result was calculated and finished, it oneself was the initiator that the control module of initiator SUPL terminal SET is judged, then need not wait target side SUPL terminal SET positional information just own positional information to be sent to the SLP of target side SUPL terminal SET ownership;
Can the SLP of target side SUPL terminal SET ownership judge whether that according to the positional information that obtain initiator SUPL terminal SET the positional information with oneself sends to the SLP of initiator SUPL terminal SET ownership, if can obtain the positional information of initiator SUPL terminal SET, the SLP of target side SUPL terminal SET ownership passes to the positional information of target side SUPL terminal SET the SLP of initiator SUPL terminal SET ownership, the SLP of initiator SUPL terminal SET ownership passes to initiator SUPL terminal SET with the positional information of target side SUPL terminal SET, and finish the location; If can not, the SLP of target side SUPL terminal SET ownership passes to the SLP that initiator SUPL terminal SET belongs to error message, shows that it can not obtain target side SUPL terminal SET position, and finish the location.
The present invention provides a kind of system of obtaining sponsor party position information for target party simultaneously, comprise the SLP that initiator SUPL terminal SET, target side SUPL terminal SET, initiator SUPL terminal SET and target side SUPL terminal SET belong to separately, the SLP of target side SUPL terminal SET or its ownership also comprises a control module, be used for realizing target side SUPL terminal SET when receiving initiator SUPL terminal SET Location Request, judge whether to activate location initiator SUPL terminal SET according to the parameter that is provided with on the SLP of target side SUPL terminal SET or its ownership.
Wherein said control module is further used for, and when needs activated location to initiator SUPL terminal SET, the SLP of controlled target side SUPL terminal SET ownership activated the location to initiator SUPL terminal SET.
Utilize method provided by the invention, when initiator's terminal is initiated request by the application on it to SLP, in the time of need obtaining other people position, corresponding target terminal can obtain to initiate terminal positional information coequally, also can obtain the positional information of self as required simultaneously, then target terminal can determine next step action thus, can reduce message processing procedure under some application scenarios, improve location efficiency, saved Internet resources.
Description of drawings
Fig. 1 is the flow chart of SUPL initiator SET to target side SET location;
Fig. 2 obtains the flow chart of initiator's positional information simultaneously when the initiator locatees it for target side of the present invention;
Fig. 3 is the roaming state system construction drawing;
Fig. 4 roams the flow chart based on the V-SPC location of non-proxy mode for the present invention.
Embodiment
The present invention is further described below in conjunction with drawings and Examples.
Technical scheme of the present invention can individual be used in the recreation of " looking for friend " fully, user A has participated in the recreation of looking for friend, need own and good friend B and C of location simultaneously, he has initiated Location Request by the mobile phone terminal SET1 of oneself to the locating platform SLP1 of its ownership, user B and C have received the Location Request of user A by SLP separately, they at first require user A is located, and judge who friend thus in the position of searching him where, whether decision accepts the application request subsequently of user A then.If A accepts the Location Request of user B and C, then B and C finally obtain A and the position of oneself by the SLP that belongs to separately, and the position that SLP2 that terminal SET2, SET3 belonged to and the SLP3 of SLP1 by B and C navigates to friend B and C, also obtained simultaneously party A-subscriber's oneself position, then SLP1 has returned three position result to the terminal SET1 of user A, SET1 can handle the position result that obtains, and user A has found from own that nearer friend according to result.
Specify as follows: at first, because needing according to the side of being positioned parameter to be set, the control module among the SLP of the side of being positioned judges whether to activate location to the initiator, therefore need carry out relevant parameters setting (described parameter also can be provided with) in the SLP of target mobile phones terminal correspondence to mobile phone terminal SET2 and the SET3 of user B and user C, accordingly, need change accordingly about the message structure of SET capabilities among the echo message structure SUPL POS INIT of SET2 and SET3, increased parameter Get Initiator Position and Get Own Position at SUPL POS INIT, this message SUPL POSINIT is sent to the ownership SUPL locating platform (SLP2 and SPL3) of oneself respectively by SET2 and SET3 in the network originated positioning flow of SUPL.Concrete message structure sees the following form (0 represents optional setting in the table, and M represents to force to be provided with):
●SET capabilities
| Parameter | Presence | Values/description |
| SET capabilities | - | The SET capabilities that is had according to location technology of being supported and location protocol (non-manually except).In special SUPL session, the performance that SET can send it repeatedly, under the situation that SET initiates, SET capabilities is included in SUPL START message and the SUPL POS INIT message.In the session of these situations, SET capabilities allows to change anything but. |
| Get Initiator Position | 0 | Obtaining initiator's position if desired, then is True. otherwise for False. ● True zero False |
| Get Own Position | 0 | Obtaining the position of oneself if desired, then is True. otherwise for False. ● True. zero False |
| Pos Technology | M | The definition location technology |
| Zero or a plurality of following location technology: ● SET-assisted A-GPS ● SET-based A-GPS ● Autonomous GPS ● AFLT ● E-CID ● E-OTD ● OTDOA | ||
| >Pref Method | M | One of following method for optimizing: ● preferred SET-assisted ● preferred SET-based ● no preference pattern |
| >Pos Protocol | M | Zero or a plurality of location protocol: ● RRLP ● RRC ● TIA-801 |
●SUPL END
| Parameter | Presence | Description |
| Position_self | 0 | Define the positional information of oneself |
| Status Code_self | 0 | Definition status information: mistake indication or information indication.When being wrong indication, its value is 0-99, if be the information indication, then value is 100-199. |
| Position | 0 | Definition the other side's position result |
| Status Code | 0 | Definition status information: mistake indication or information indication.When being wrong indication, its value is 0-99, if be the information indication, then value is 100-199. |
| Ver | CV | This parameter comprises the Hash of the SUPL INIT message of being calculated by SET.When sending SUPL END message as to directly the replying of SUPL INIT message the time, this parameter must appear. |
After parameter set, the mobile phone terminal of user B and user C had had the function of the positional information that requires at first to obtain initiator SET when confirming whether to receive initiator's Location Request.Wherein the value of GetInitiator Position can be defined as True False, True representative need be obtained the positional information of initiator SET, the False representative does not need to obtain the positional information of initiator SET; The value of Get OwnPosition also can be defined as True False, and the True representative need be obtained the positional information of self, and the False representative does not need to obtain the positional information of self.User by SET2 and SET3 selects True or False in advance then, when the mobile phone terminal SET1 of user A when the SLP1 of its ownership sends Location Request to user B and user C, SPL2 and SPL3 read the corresponding parameters value respectively and judge the location of whether triggering the initiator reaches whether obtain the positional information of oneself, if corresponding Get InitiatorPosition parameter value is True, then show the positional information that needs the initiator, False then shows and does not need, if corresponding Get Own Position parameter is set to True, then show the positional information that need obtain self, False then shows and does not need.
At purpose of the present invention, suppose that in the present embodiment user B and user C are chosen as True with Get InitiatorPosition parameter value, consider at first that then user B and user C are chosen as the Get OwnPosition parameter value of correspondence the situation of True, that is to say that user B and user C need obtain user A and the positional information of oneself simultaneously.
After the selection of finishing above-mentioned parameter setting and parameter value, if user A initiates the Location Request to user B and user C, position fixing process begins shown in the flow chart of accompanying drawing 2, the mobile phone terminal SET1 of user A is to the Location Request of the SLP1 of its ownership transmission at the portable terminal of user B and user C, after SLP1 receives request message, SLP to the target side ownership---SLP2 and SLP3 initiate Location Request, SLP2 and SLP3 receive that the value that this its control module of request back detects Get Initiator Position parameter and Get Own Position parameter judges whether to obtain user A and the position result of himself, simultaneously when preventing that SLP when user B and user C terminal attaching is to initiator SET1 ownership SLP1 initiation position fixing process, the SLP of initiator ownership also is provided with according to one's own side and initiates " ping-pong " that the positioning flow to target side causes again, then initiator's sign of belonging to the targeted customer that SLP1 can initiate according to oneself judge whether the Location Request to oneself belongs to the inverted orientation of target side to oneself, if then need not judge whether activation the other side is located; If judge the target side that oneself becomes the another one positioning flow now, then can judge whether to activate location according to one's own side's setting to the other side.
According to aforesaid setting, all be True to two class parameter value judged results in the present embodiment, the portable terminal that shows user B and user C just allows the location of the other side to oneself after the positional information of the portable terminal that obtains user A, SPL2 and SLP3 trigger the Location Request to user A according to this, after the SLP1 of the portable terminal ownership of user A receives this solicited message, adopt the network originated localization method of SUPL to position to self SET1, the position result of estimation SET1, also adopt the network originated localization method of SUPL to position to SET2 and SET3 respectively by SLP2 and SLP3 simultaneously, estimation SET2 and SET3 position result.After having finished location estimation calculating separately, it oneself is the initiator that initiator's control module is judged, then need not wait the target side position as a result SLP1 just self positional information is passed to the SLP2 of user B ownership and the SLP3 of user C ownership, can SLP2 and SLP3 judge whether the position result of oneself is sent to initiator SLP1 according to the position result that obtain initiator SET1, if can obtain the position result of initiator SET1, SLP2 and SLP3 pass to SLP1 with the positional information of self respectively after receiving this information, the A of end user, the SLP that user B and user C belong to separately passes to the other side and one's own side's positional information one's own side's SET, so far user A has obtained three position result, user B has obtained user A and the position result of self, user C has also obtained user A and the position result of self, has finished final position fixing process.Message structure when locating the end SUPL process after finishing is as shown in the table, comprises the locating information to self in the message structure, has increased the feedback information at own position in the SUPL END message, comprises position and corresponding state; If SLP2 and SLP3 can not obtain the position result of SET1, then SLP2 and SLP3 pass to error message initiator SLP1 respectively, show that it can not obtain the target side position, also self position result are not passed to the SLP1 of initiator's ownership, and finish the location.
●SUPLEND
| Parameter | Presence | Description |
| Position_self | 0 | Define the positional information of oneself |
| Status Code_self | 0 | Definition status information: mistake indication or information indication.When being that mistake refers to |
| When showing, its value is 0-99, if be the information indication, then value is 100-199. | ||
| Position | 0 | Definition the other side's position result |
| Status Code | 0 | Definition status information: mistake indication or information indication.When being wrong indication, its value is 0-99, if be the information indication, then value is 100-199. |
| Ver | CV | This parameter comprises the Hash of the SUPL INIT message of being calculated by SET.When sending SUPL END message as to directly the replying of SUPL INIT message the time, this parameter must appear. |
In SUPL END message, position can be a plurality of, represents the position of a plurality of SET.The definition of parameter can be adopted the definition identical with the pos parameter of MLS.
If user B and user C are chosen as False with the Get Own Position parameter value of correspondence, that is to say, user B and user C do not need the positional information of oneself, flow process in this case and above-mentioned flow process are much the same, and the SLP that difference is the B of end user and user C ownership does not comprise the position result of self in the position result that separately SET sends.
The network originated position fixing process of SUPL shown in the accompanying drawing 2 is actual to be in the network originated positioning flow of SUPL after the SUPL INIT message and SUPL END message all processes before.Special, system construction drawing as shown in Figure 3 when initiator SET1 and target side SET2 are in roaming state, comprised initiator's terminal SET1 in the system, the SLP1 of SET1 ownership, the side of being positioned terminal SET2, the SLP2 of SET2 ownership, the V-SLP1 on corresponding SET1 visit ground under the situation of SET1 roaming, the V-SLP2 on corresponding SET2 visit ground under the situation of SET2 roaming.For the situation of the non-proxy mode of roaming based on the visit SUPL centre of location (V-SPC) location, this flow process should be as shown in Figure 4: different with the network originated flow process of SUPL, V-SPC is after getting access to the position result of SET1, do not send SUPL END message to SET1 at once, but send roaming location protocol standard SUPL roaming localization message (RLP SSRP) by visit SUPL place-centric (V-SLC), notify SLP1 with position result.SLP1 returns SUPL END message to initiator SET1 after obtaining all SET that are positioned positional information of (comprising initiator SET).
In the present embodiment after target side ownership SLP activates the positioning flow that sponsor network is started; adopt the network originated localization method of SUPL to position to the location of initiator's mobile phone; but protection scope of the present invention is not limited to the concrete scheme described in the embodiment, adopts the SUPL mobile phone positioning flow that starts same feasible and within protection scope of the present invention to initiator's mobile phone.
Claims (9)
1. the method for an obtaining sponsor party position information for target party is characterized in that this method comprises the steps:
A. on the location protocol SUPL locating platform SLP based on safe user plane of target side SUPL terminal SET or its ownership, parameter is set;
B. when initiator SUPL terminal SET proposes Location Request to target side SUPL terminal SET, the SLP of target side SUPL terminal SET ownership judges by the value that reads described parameter whether target side SUPL terminal SET needs to obtain the positional information of initiator SUPL terminal SET, if judged result is changeed step c for needing; If judged result is changeed step e for not needing;
C. the SLP of target side SUPL terminal SET ownership activates the position fixing process to initiator SUPL terminal SET, simultaneously target side SUPL terminal SET is positioned, respectively the calculating location result;
D. after position result was calculated and finished, initiator SUPL terminal SET sent to target side SUPL terminal SET with the positional information of self, and finish the location;
E. target side SUPL terminal SET positions self, and the calculating location result also passes to initiator SUPL terminal SET with position result, and finish the location.
2. method according to claim 1 is characterized in that the SLP of the described target side SUPL terminal of step b SET ownership judges that by the value that reads described parameter the positional information whether target side SUPL terminal SET needs to obtain initiator SUPL terminal SET specifically comprises:
The SLP of target side SUPL terminal SET ownership reads the value of parameter described in the SLP of target side SUPL terminal SET or its ownership;
If the value of described parameter is TRUE, then judged result is for need obtain the positional information of initiator SUPL terminal SET, if be FALSE, then judged result is not for needing to obtain the positional information of initiator SUPL terminal SET.
3. method according to claim 1, it is characterized in that also comprising among the step b when the initiator proposes Location Request to target side SUPL terminal SET, the SLP of target side SUPL terminal SET ownership judges by the value that reads described parameter whether target side SUPL terminal SET needs to obtain the positional information of self, if desired, then the positional information obtained of the target side SUPL terminal SET described in the steps d also comprises the positional information of himself, if do not need, then the positional information obtained of the SUPL of target side described in steps d terminal SET does not comprise the positional information of himself.
4. method according to claim 1 is characterized in that the target side SUPL terminal SET described in the step a is at least one.
5. according to each described method of claim 1 to 4, it is characterized in that described in the step c the network originated position fixing process of SUPL being adopted in the location of initiator SUPL terminal SET or target side SUPL terminal SET the position fixing process that perhaps adopts the mobile phone of SUPL to start.
6. method according to claim 1 is characterized in that also comprising in the steps d that initiator SUPL terminal SET obtains the step of the positional information of self.
7. method according to claim 1 is characterized in that steps d specifically comprises:
After position result was calculated and finished, it oneself was the initiator that the control module of initiator SUPL terminal SET is judged, then need not wait target side SUPL terminal SET positional information just own positional information to be sent to the SLP of target side SUPL terminal SET ownership;
Can the SLP of target side SUPL terminal SET ownership judge whether that according to the positional information that obtain initiator SUPL terminal SET the positional information with oneself sends to the SLP of initiator SUPL terminal SET ownership, if can obtain the positional information of initiator SUPL terminal SET, the SLP of target side SUPL terminal SET ownership passes to the positional information of target side SUPL terminal SET the SLP of initiator SUPL terminal SET ownership, the SLP of initiator SUPL terminal SET ownership passes to initiator SUPL terminal SET with the positional information of target side SUPL terminal SET, and finish the location; If can not, the SLP of target side SUPL terminal SET ownership passes to the SLP that initiator SUPL terminal SET belongs to error message, shows that it can not obtain target side SUPL terminal SET position, and finish the location.
8. the system of an obtaining sponsor party position information for target party, comprise the SLP that initiator SUPL terminal SET, target side SUPL terminal SET, initiator SUPL terminal SET and target side SUPL terminal SET belong to separately, it is characterized in that, the SLP of target side SUPL terminal SET or its ownership also comprises a control module, be used for realizing target side SUPL terminal SET when receiving initiator SUPL terminal SET Location Request, judge whether to activate location initiator SUPL terminal SET according to the parameter that is provided with on the SLP of target side SUPL terminal SET or its ownership.
9. system according to claim 8 is characterized in that described control module is further used for, and when needs activated location to initiator SUPL terminal SET, the SLP of controlled target side SUPL terminal SET ownership activated the location to initiator SUPL terminal SET.
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| CNB2005101022600A CN100471288C (en) | 2005-12-07 | 2005-12-07 | Method and system for obtaining sponsor party position information for target party |
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| CNB2005101022600A CN100471288C (en) | 2005-12-07 | 2005-12-07 | Method and system for obtaining sponsor party position information for target party |
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| CN102014486B (en) * | 2009-10-29 | 2014-12-03 | 电信科学技术研究院 | Method, system and device for realizing positioning measurement |
| CN102215562B (en) | 2010-04-02 | 2016-08-17 | 中兴通讯股份有限公司 | The transmission method of location data and transmission system |
| CN102215561B (en) * | 2010-04-02 | 2016-12-07 | 中兴通讯股份有限公司 | The localization method of terminal-to-terminal service and system |
| CN102223708B (en) * | 2010-04-15 | 2016-03-30 | 中兴通讯股份有限公司 | The Notification Method that positioning assistance data upgrades and system and SLP equipment |
| CN102480676B (en) * | 2010-11-25 | 2016-06-01 | 中兴通讯股份有限公司 | A kind of transmission method positioning information and system |
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