CN101990297A - Method and device for realizing locating service - Google Patents
Method and device for realizing locating service Download PDFInfo
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- CN101990297A CN101990297A CN200910090231.5A CN200910090231A CN101990297A CN 101990297 A CN101990297 A CN 101990297A CN 200910090231 A CN200910090231 A CN 200910090231A CN 101990297 A CN101990297 A CN 101990297A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/24—Negotiation of communication capabilities
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
- G01S19/48—Determining position by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system
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Abstract
The invention provides a method and device for realizing locating services. In the locating process, an enhancement type serving mobile location center or a terminal know the locating capability of an opposite side through the interactively locating capability between the terminal and the enhancement type serving mobile location center, therefore a proper locating method is selected by the enhancement type serving mobile location center or UE (User Equipment) according to the locating capability supported by the opposite side so as to ensure the success of the locating services.
Description
Technical field
The present invention relates to positioning service (LCS, LoCation Services) technology, refer to realize in a kind of Long Term Evolution project (LTE) network the method and the device of positioning service especially.
Background technology
At present, mobile communication technology is faced with to the user provides higher data rate, the problem of better covering and bigger capacity is provided for network.
In order to address the above problem, third generation partner program (3GPP, 3rd Generation PartnershipProject) started wireless access network LTE, access technology (the E-UTRA of evolution, Evolved-UTRA) and the access network (E-UTRAN of evolution, Evolved-UTRAN), and towards the packet domain core network evolution items (SAE) of all-IP, wish by lasting evolution and enhancing from the wave point to the core network, for operator and the ever-increasing demand of user provide better support.
LCS is a kind of novel value-added service that mobile radio communication provides.LCS obtains positional information such as longitude and latitude, the translational speed etc. of travelling carriage by wireless location technology, offers user, mobile communication network or other external entity, to realize the various business relevant with the position.
Terminal can perhaps be measured satellite-signal by built-in locating module by the measurement to Serving cell or neighbor cell, to obtain to be used to calculate the data of this terminal current location.For support location service, on the basis of LTE prior art, introduced LTE location protocol (LPP, LTE PositioningProtocol).
The localization method of supporting among the LTE has: global navigation satellite auxiliary system (A-GNSS, Assisted-Global Navigation Satellite System), downlink positioning method, enhancement type district ID localization method (E-CID, Enhanced Cell-ID).Wherein, A-GNSS can be divided into global positioning system (GPS), Galilean satellite navigation system (Galileo), satellite-based augmentation system (SBAS again, Space BasedAugmentation System), accurate zenith satellite system (QZSS, Quasi-Zenith Satellite System), GLONASS (Global Navigation Satellite System) multiple localization methods such as (GLONASS, Global Navigation Satellite System).
According to the tenability of terminal and network, in a position fixing process, may use above-mentioned one or more localization methods.Therefore, for the realization of positioning service, in position fixing process, need be between terminal and network mutual stationkeeping ability is to guarantee the successful realization of positioning service.In current LPP, do not provide the scheme of mutual stationkeeping ability between terminal and the network, therefore, the localization method that follow-up selection is suitable can not be guaranteed, thereby the failure of positioning service may be caused.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method that realizes positioning service, and mutual by stationkeeping ability between terminal and the network makes to guarantee the success of positioning service by the localization method that follow-up selection is suitable.
Another object of the present invention is to provide a kind of device of realizing positioning service, mutual by stationkeeping ability between terminal and the network makes to guarantee the success of positioning service by the localization method that follow-up selection is suitable.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of method that realizes positioning service, this method comprises:
In position fixing process, mutual stationkeeping ability between user terminal UE and enhanced service mobile location centre Chinese E-SMLC is to determine current stationkeeping ability;
According to the current stationkeeping ability that obtains, select localization method, realize positioning service.
Described according to the current stationkeeping ability that obtains, select localization method, realize that positioning service comprises:
Described enhanced service mobile location centre Chinese is selected localization method according to the current stationkeeping ability that obtains, and UE or evolution base station eNB are measured according to selected localization method;
Described UE or enhanced service mobile location centre Chinese are according to measurement result compute location result and return in the described position fixing process requesting party who initiates positioning service.
Described current stationkeeping ability according to acquisition is selected suitable localization method, realizes that positioning service comprises:
Described UE selects suitable localization method according to the stationkeeping ability that obtains, and UE or eNB measure according to selected localization method;
UE or enhanced service mobile location centre Chinese calculate according to measurement result, and the positioning result after will calculating returns to initiation positioning service requesting party.
Mutual stationkeeping ability comprises between described UE and enhanced service mobile location centre Chinese:
Described enhanced service mobile location centre Chinese is asked stationkeeping ability to UE;
Perhaps, described UE is to enhanced service mobile location centre Chinese request stationkeeping ability;
Perhaps, described UE is to enhanced service mobile location centre Chinese active feedback stationkeeping ability;
Perhaps, described enhanced service mobile location centre Chinese is to UE active feedback stationkeeping ability.
When described enhanced service mobile location centre Chinese during to UE request stationkeeping ability; Perhaps, described UE is when enhanced service mobile location centre Chinese request stationkeeping ability, and the described request stationkeeping ability triggers by the stationkeeping ability request.
Do not carry any information in the described stationkeeping ability request; Perhaps, carry localization method and the corresponding locate mode that enhanced service mobile location centre Chinese/UE supports in the described stationkeeping ability request;
Mutual stationkeeping ability comprises between described UE and enhanced service mobile location centre Chinese:
Described UE/ enhanced service mobile location centre Chinese returns to enhanced service mobile location centre Chinese/UE with the stationkeeping ability of self supporting;
If described UE/ enhanced service mobile location centre Chinese is not supported the localization method and the locate mode that show in the stationkeeping ability request, UE/ enhanced service mobile location centre Chinese carries error reason, returns protocol error message.
Comprise downlink positioning method information word and global navigation satellite auxiliary system A-GNSS location method information unit in the described stationkeeping ability request; Wherein,
Described downlink positioning method information word comprises downlink positioning method, and the locate mode information word;
Described A-GNSS location method information unit comprises A-GNSS localization method sign A-GNSS ID, and the locate mode information word;
Described A-GNSS localization method identifies corresponding one by one with the localization method of different A-GNSS location.
Described locate mode information word comprises: based on the locate mode and the localization method of terminal, perhaps based on E-SMLC, auxiliary locate mode and the localization method of terminal.
Comprise in the described stationkeeping ability request based on the locate mode information word of terminal with based on E-SMIC, the auxiliary locate mode information word of terminal; Wherein,
Described locate mode information word based on terminal comprises downlink positioning method, the A-GNSS localization method;
Described based on E-SMIC, the auxiliary locate mode information word of terminal, comprise downlink positioning method, the A-GNSS localization method.
When described enhanced service mobile location centre Chinese during to UE request stationkeeping ability; Perhaps, described UE when enhanced service mobile location centre Chinese request stationkeeping ability,
Indicate to enhanced service shift position or UE restoring to normal position ability by stationkeeping ability described UE or enhanced service shift position.
Comprise the stationkeeping ability information word in the described stationkeeping ability indication; Described stationkeeping ability information word comprises: downlink positioning method information word, A-GNSS information word, and the location method information unit of A-GNSS ID correspondence.
Comprise locate mode information word in the described stationkeeping ability indication, based on E-SMIC, the auxiliary locate mode information word of terminal based on terminal; Wherein,
Described locate mode information word based on terminal comprises the downlink positioning method information word, A-GNSS location method information unit;
Described based on E-SMIC, the auxiliary locate mode information word of terminal, comprise the downlink positioning method information word, A-GNSS location method information unit.
Also comprise auxiliary data information unit in the described stationkeeping ability indication; Described auxiliary data information unit comprises: the auxiliary data information unit that A-GNSS id information unit, A-GNSS ID support;
Described A-GNSS localization method identifies corresponding one by one with the localization method of different A-GNSS location.
Described auxiliary data information unit also comprises: be used for behind selected localization method, send the auxiliary data information unit that the UE of auxiliary data lacks.
A kind of device of realizing positioning service comprises user equipment (UE) and enhanced service mobile location centre Chinese, wherein,
Mutual stationkeeping ability between described UE and enhanced service mobile location centre Chinese is to determine current stationkeeping ability;
Described UE or enhanced service mobile location centre Chinese are used for selecting localization method according to the current stationkeeping ability that obtains, and realize positioning service.
When the current stationkeeping ability of described enhanced service mobile location centre Chinese according to acquisition, when selecting localization method,
Described UE or eNB measure according to selected localization method; Described UE or enhanced service mobile location centre Chinese calculate according to measurement result, and the positioning result after will calculating returns to initiation positioning service requesting party;
When described UE is used for according to the current stationkeeping ability that obtains, when selecting suitable localization method,
UE or eNB measure according to selected localization method, and UE or enhanced service mobile location centre Chinese calculate according to measurement result, and the positioning result after will calculating returns to initiation positioning service requesting party.
Described enhanced service mobile location centre Chinese is used for after receiving Location Request, and to UE request stationkeeping ability, UE is to enhanced service mobile location centre Chinese restoring to normal position ability; Perhaps,
After described initiation positioning service requesting party initiated Location Request, described UE also was used for to enhanced service mobile location centre Chinese request stationkeeping ability, and described enhanced service mobile location centre Chinese is to UE restoring to normal position ability.
Described UE or enhanced service mobile location centre Chinese also are used for initiatively to opposite end feedback stationkeeping ability.
Described initiation positioning service requesting party is terminal or network entity;
Described network entity is mobile management entity MME or eNb.
The technical scheme that provides from the invention described above as can be seen, in position fixing process, pass through mutual stationkeeping ability between UE and enhanced service mobile location centre Chinese (E-SMLC), make enhanced service mobile location centre Chinese or UE know the other side's stationkeeping ability, thereby enhanced service mobile location centre Chinese or UE, the stationkeeping ability that can all support according to mutual back both sides is selected localization method, provide guarantee for selecting suitable localization method, thereby guaranteed the success of positioning service.
Description of drawings
Fig. 1 realizes the flow chart of the method for positioning service for the present invention;
Fig. 2 is the composition structural representation of the device of realization positioning service;
Fig. 3 realizes the flow chart of first embodiment of the method for positioning service for the present invention;
Fig. 4 realizes the flow chart of second embodiment of the method for positioning service for the present invention.
Embodiment
Fig. 1 realizes the flow chart of the method for positioning service for the present invention, as shown in Figure 1,
Step 100: in position fixing process, mutual stationkeeping ability between UE and enhanced service mobile location centre Chinese.
The initiation positioning service requesting party of triggered location process can be UE, or network entity such as mobile management entity (MME, Mobility Management Entity), evolution base station (eNB, evolved NodeB) etc.
In this step, stationkeeping ability can be that the enhanced service mobile location centre Chinese is after receiving Location Request, to UE request stationkeeping ability alternately; Also can be that UE is to enhanced service mobile location centre Chinese request stationkeeping ability; Can also be that UE or enhanced service mobile location centre Chinese are initiatively to opposite end feedback stationkeeping ability (promptly not needing request message to trigger).
By this step, UE or enhanced service mobile location centre Chinese have been known the other side's stationkeeping ability, thereby guarantee the follow-up stationkeeping ability that can support according to the opposite end, select suitable localization method, have guaranteed the success of positioning service.
Step 101: according to the stationkeeping ability that obtains, select localization method, realize positioning service.
This step comprises: the enhanced service mobile location centre Chinese is selected suitable localization method according to the stationkeeping ability that obtains, and UE or eNB measure according to selected localization method.UE or enhanced service mobile location centre Chinese calculate according to measurement result, and the positioning result after will calculating returns to initiation positioning service requesting party.
Perhaps, UE selects suitable localization method according to the stationkeeping ability that obtains, and UE or eNB measure according to selected localization method.UE or enhanced service mobile location centre Chinese calculate according to measurement result, and the positioning result after will calculating returns to initiation positioning service requesting party.
How to select localization method, belong to those skilled in the art's conventional techniques means, repeat no more its specific implementation method here according to the stationkeeping ability that obtains.What this step was emphasized is that enhanced service mobile location centre Chinese or UE according to mutual back stationkeeping ability that determine, that both sides support between UE and enhanced service mobile location centre Chinese, select suitable localization method, have guaranteed the success of positioning service.
The realization that measurement result in this step positions calculating belongs to the existing protocol specified content, specifically can repeat no more here with reference to related protocol.
From the inventive method as can be seen, in position fixing process, pass through mutual stationkeeping ability between UE and enhanced service mobile location centre Chinese, make enhanced service mobile location centre Chinese or UE know the other side's stationkeeping ability, thereby enhanced service mobile location centre Chinese or UE can be according to mutual back stationkeeping abilities that determine, that both sides support, select localization method, provide guarantee for selecting suitable localization method, thereby guaranteed the success of positioning service.
Fig. 2 realizes the composition structural representation of the device of positioning service for the present invention, as shown in Figure 2, comprise UE and enhanced service mobile location centre Chinese, wherein,
Mutual stationkeeping ability between described UE and enhanced service mobile location centre Chinese is to determine current stationkeeping ability;
Described UE or enhanced service mobile location centre Chinese are used for selecting localization method according to the current stationkeeping ability that obtains, and realize positioning service.
When the current stationkeeping ability of described enhanced service mobile location centre Chinese according to acquisition, when selecting suitable localization method, UE or eNB measure according to selected localization method.UE or enhanced service mobile location centre Chinese calculate according to measurement result, and the positioning result after will calculating returns to initiation positioning service requesting party.
When described UE is used for according to the stationkeeping ability that obtains, when selecting suitable localization method, UE or eNB measure according to the localization method of selecting.UE or enhanced service mobile location centre Chinese calculate according to measurement result, and the positioning result after will calculating returns to initiation positioning service requesting party.
Described enhanced service mobile location centre Chinese, after receiving Location Request, to UE request stationkeeping ability, UE is to enhanced service mobile location centre Chinese restoring to normal position ability;
Described UE, after described initiation positioning service requesting party initiated Location Request, UE also was used for to enhanced service mobile location centre Chinese request stationkeeping ability, and described enhanced service mobile location centre Chinese is to UE restoring to normal position ability;
Described UE or enhanced service mobile location centre Chinese are initiatively to opposite end feedback stationkeeping ability (promptly not needing request message to trigger).
Described positioning service requesting party can be terminal or network entity such as MME, eNB etc.
Fig. 3 realizes the flow chart of first embodiment of the method for positioning service for the present invention, among first embodiment, after the enhanced service mobile location centre Chinese is received Location Request, to UE request stationkeeping ability.As shown in Figure 3, may further comprise the steps:
Step 300: after the enhanced service mobile location centre Chinese is received Location Request, to UE request stationkeeping ability.
The request stationkeeping ability can trigger by the stationkeeping ability request, can not carry any information in the stationkeeping ability request, and only is the process of expression trigger request stationkeeping ability; Perhaps in the stationkeeping ability request, carry localization method and corresponding locate mode that UE need support.After UE receives the stationkeeping ability request, the stationkeeping ability of self supporting is returned to the enhanced service mobile location centre Chinese.If UE does not support the localization method and the locate mode that show in the stationkeeping ability request, UE carries error reason, returns protocol error message.
For the situation of carrying localization method and corresponding locate mode in the stationkeeping ability request, the information word that comprises in the stationkeeping ability request can have following two kinds of implementations:
First kind, comprise the downlink positioning method information word that UE need support, the A-GNSS location method information unit that UE need support, as shown in table 1:
| Information word | Remarks |
| Downlink positioning method | Show needs support downlink positioning method. |
| The A-GNSS localization method | Show needs support A-GNSS localization method. |
Table 1
The downlink positioning method information word, comprise information words such as downlink positioning method that needs are supported such as OTDOA, which kind of locate mode information word expression adopts, such as locate mode and localization method based on terminal, or based on E-SMLC, auxiliary locate mode and the localization method of terminal.Wherein, based on the locate mode of terminal: final location survey calculates and carries out in terminal, and based on E-SMLC, the auxiliary locate mode of terminal, final location survey calculates and carries out at E-SMLC.As shown in table 2:
Table 2
A-GNSS location method information unit, comprise the A-GNSS localization method sign (A-GNSS ID) that needs are supported, and adopt which kind of locate mode information word, such as locate mode and localization method based on terminal, or based on E-SMLC, auxiliary locate mode and the localization method of terminal.Wherein, based on the locate mode of terminal: final location survey calculates and carries out in terminal, and based on E-SMLC, the auxiliary locate mode of terminal, final location survey calculates and carries out at E-SMLC.As shown in table 3:
Table 3
For the localization method of supporting the A-GNSS location GPS, Galileo, SBAS, QZSS and GLONASS are arranged, the localization method that can adopt a byte (Byte) to express support for, the corresponding relation of A-GNSSID and A-GNSS localization method is as shown in table 4 in the table 3:
Table 4
Second kind, comprise the locate mode information word that UE need support based on terminal, UE need support based on the auxiliary locate mode information word of E-SMIC, terminal, as shown in table 5:
Table 5
Based on the locate mode information word of terminal, comprise the downlink positioning method that needs support (as OTDOA etc.) information word, the A-GNSS localization method of support (as GPS, Galileo, SBAS, QZSS and GLONASS) information word, as shown in table 6:
Table 6
Based on E-SMIC, the auxiliary locate mode information word of terminal, comprise downlink positioning method that need to support (as OTDOA etc.) information word, need A-GNSS localization method (as GPS, Galileo, SBAS, QZSS and the GLONASS) information word of support, as shown in table 7:
Table 7
Step 301:UE indicates current stationkeeping ability to the enhanced service mobile location centre Chinese.
In this step, UE indicates by stationkeeping ability, returns current stationkeeping ability; Perhaps, this step does not need step 300 to trigger, in position fixing process, and the stationkeeping ability that UE supports to the E-SMLC indication.
If UE does not support the localization method and the locate mode that show in the stationkeeping ability request, UE carries error reason, returns protocol error message.
Correspond respectively to two kinds of situations of stationkeeping ability request in the step 300, perhaps UE is to the stationkeeping ability of E-SMLC indication support, and also there are two kinds of situations in the stationkeeping ability indication.
First kind, comprise stationkeeping ability information word and auxiliary data information unit, as shown in table 8:
| Information word | Remarks |
| Stationkeeping ability | The stationkeeping ability of supporting |
| Auxiliary data | Positioning assistance data |
Table 8
Need to prove that auxiliary data information unit is an optional information unit, just exist when needed whether the location needs auxiliary data information unit to belong to prior art, repeats no more here.
The stationkeeping ability information word comprises the locate mode information word of descending locating information unit, A-GNSS information word and A-GNSS ID correspondence, and is as shown in table 9:
Table 9
Auxiliary data information unit comprises the auxiliary data information unit of A-GNSS id information unit, A-GNSS ID support and the auxiliary data information unit that UE lacks, and is as shown in table 10:
Table 10
In the table 10, the auxiliary data information unit that A-GNSS ID supports at various A-GNSS localization method, specifies the positioning assistance data of supporting.If do not support the A-GNSS localization method, this information word is invalid.The auxiliary data information unit that UE lacks is used for network behind selected localization method, sends auxiliary data.For selecting the word filling section.
Second kind, comprise stationkeeping ability information word and auxiliary data information unit, wherein, auxiliary data information unit is as shown in table 10, no longer repeats here; The stationkeeping ability information word comprises the locate mode information word based on terminal that UE supports, support based on E-SMIC, the auxiliary locate mode information word of terminal, as shown in table 11:
Table 11
Support comprises downlink positioning method (as OTDOA etc.) information word of support based on the locate mode information word of terminal, and the A-GNSS localization method of support (as GPS, Galileo, SBAS, QZSS and GLONASS) information word is as shown in table 12:
Table 12
Support is based on E-SMIC, the auxiliary locate mode information word of terminal, downlink positioning method (as OTDOA etc.) information word that comprises support, A-GNSS localization method (as GPS, Galileo, SBAS, QZSS and the GLONASS) information word of supporting, as shown in table 13:
Table 13
Step 302: the enhanced service mobile location centre Chinese is selected suitable localization method, and UE or eNB measure according to selected localization method.
Return protocol error message if receive UE, E-SMLC reselects localization method, and promptly step 300 sends Location Request, and perhaps position fixing process finishes.
Step 303:UE or enhanced service mobile location centre Chinese calculate according to measurement result, and the positioning result after will calculating returns to initiation positioning service requesting party.
Fig. 4 realizes the flow chart of second embodiment of the method for positioning service for the present invention, among second embodiment, initiate the positioning service requesting party after the enhanced service mobile location centre Chinese is initiated Location Request, in the position fixing process, UE is to enhanced service mobile location centre Chinese request stationkeeping ability.As shown in Figure 4, may further comprise the steps:
Step 400: initiate the positioning service requesting party after the enhanced service mobile location centre Chinese is initiated Location Request, in the position fixing process, UE is to enhanced service mobile location centre Chinese request stationkeeping ability.
In this step, the request stationkeeping ability can trigger by the stationkeeping ability request, can be about the description of stationkeeping ability request referring to the description in the step 300, and the information word that comprises in the stationkeeping ability request is two kinds of implementations described in 300 equally in steps.Different is that to initiate the stationkeeping ability request among second embodiment is UE.
Step 401: the enhanced service mobile location centre Chinese is indicated by stationkeeping ability, returns current stationkeeping ability.Need to prove that this step can not need step 400 to trigger (promptly omitting step 400), in position fixing process, the stationkeeping ability that the enhanced service mobile location centre Chinese is supported to the UE indication.
If the enhanced service mobile location centre Chinese is not supported localization method and the locate mode mentioned in the stationkeeping ability request, carry error reason, the enhanced service mobile location centre Chinese returns protocol error message.
With consistent in the step 301, in this step, the enhanced service mobile location centre Chinese is indicated by stationkeeping ability, returns current stationkeeping ability.Similarly, correspond respectively to two kinds of situations of stationkeeping ability request, perhaps E-SMLC is to the stationkeeping ability of UE indication support, and also there are two kinds of situations in the stationkeeping ability indication, repeats no more here.
Step 402:UE selects suitable localization method according to the stationkeeping ability that obtains, and UE or eNB measure according to selected localization method.Return protocol error message if receive the enhanced service mobile location centre Chinese, UE reselects localization method, and perhaps position fixing process finishes.
Step 403:UE or enhanced service mobile location centre Chinese calculate according to measurement result, and the positioning result after will calculating returns to initiation positioning service requesting party.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (19)
1. a method that realizes positioning service is characterized in that, this method comprises:
In position fixing process, mutual stationkeeping ability between user terminal UE and enhanced service mobile location centre Chinese E-SMLC is to determine current stationkeeping ability;
According to the current stationkeeping ability that obtains, select localization method, realize positioning service.
2. method according to claim 1 is characterized in that, and is described according to the current stationkeeping ability that obtains, and selects localization method, realizes that positioning service comprises:
Described enhanced service mobile location centre Chinese is selected localization method according to the current stationkeeping ability that obtains, and UE or evolution base station eNB are measured according to selected localization method;
Described UE or enhanced service mobile location centre Chinese are according to measurement result compute location result and return in the described position fixing process requesting party who initiates positioning service.
3. method according to claim 1 is characterized in that, described current stationkeeping ability according to acquisition is selected suitable localization method, realizes that positioning service comprises:
Described UE selects suitable localization method according to the stationkeeping ability that obtains, and UE or eNB measure according to selected localization method;
UE or enhanced service mobile location centre Chinese calculate according to measurement result, and the positioning result after will calculating returns to initiation positioning service requesting party.
4. according to claim 1,2 or 3 described methods, it is characterized in that mutual stationkeeping ability comprises between described UE and enhanced service mobile location centre Chinese:
Described enhanced service mobile location centre Chinese is asked stationkeeping ability to UE;
Perhaps, described UE is to enhanced service mobile location centre Chinese request stationkeeping ability;
Perhaps, described UE is to enhanced service mobile location centre Chinese active feedback stationkeeping ability;
Perhaps, described enhanced service mobile location centre Chinese is to UE active feedback stationkeeping ability.
5. method according to claim 4 is characterized in that, when described enhanced service mobile location centre Chinese during to UE request stationkeeping ability; Perhaps, described UE is when enhanced service mobile location centre Chinese request stationkeeping ability, and the described request stationkeeping ability triggers by the stationkeeping ability request.
6. method according to claim 5 is characterized in that, does not carry any information in the described stationkeeping ability request; Perhaps, carry localization method and the corresponding locate mode that enhanced service mobile location centre Chinese/UE supports in the described stationkeeping ability request;
Mutual stationkeeping ability comprises between described UE and enhanced service mobile location centre Chinese:
Described UE/ enhanced service mobile location centre Chinese returns to enhanced service mobile location centre Chinese/UE with the stationkeeping ability of self supporting;
If described UE/ enhanced service mobile location centre Chinese is not supported the localization method and the locate mode that show in the stationkeeping ability request, UE/ enhanced service mobile location centre Chinese carries error reason, returns protocol error message.
7. method according to claim 5 is characterized in that, comprises downlink positioning method information word and global navigation satellite auxiliary system A-GNSS location method information unit in the described stationkeeping ability request; Wherein,
Described downlink positioning method information word comprises downlink positioning method, and the locate mode information word;
Described A-GNSS location method information unit comprises A-GNSS localization method sign A-GNSS ID, and the locate mode information word;
Described A-GNSS localization method identifies corresponding one by one with the localization method of different A-GNSS location.
8. method according to claim 7 is characterized in that, described locate mode information word comprises: based on the locate mode and the localization method of terminal, perhaps based on E-SMLC, auxiliary locate mode and the localization method of terminal.
9. method according to claim 5 is characterized in that, comprises in the described stationkeeping ability request based on the locate mode information word of terminal with based on E-SMIC, the auxiliary locate mode information word of terminal; Wherein,
Described locate mode information word based on terminal comprises downlink positioning method, the A-GNSS localization method;
Described based on E-SMIC, the auxiliary locate mode information word of terminal, comprise downlink positioning method, the A-GNSS localization method.
10. method according to claim 4 is characterized in that, when described enhanced service mobile location centre Chinese during to UE request stationkeeping ability; Perhaps, described UE when enhanced service mobile location centre Chinese request stationkeeping ability,
Indicate to enhanced service shift position or UE restoring to normal position ability by stationkeeping ability described UE or enhanced service shift position.
11. method according to claim 10 is characterized in that, comprises the stationkeeping ability information word in the described stationkeeping ability indication; Described stationkeeping ability information word comprises: downlink positioning method information word, A-GNSS information word, and the location method information unit of A-GNSS ID correspondence.
12. method according to claim 10 is characterized in that, comprises the locate mode information word based on terminal in the described stationkeeping ability indication, based on E-SMIC, the auxiliary locate mode information word of terminal; Wherein,
Described locate mode information word based on terminal comprises the downlink positioning method information word, A-GNSS location method information unit;
Described based on E-SMIC, the auxiliary locate mode information word of terminal, comprise the downlink positioning method information word, A-GNSS location method information unit.
13. according to claim 11 or 12 described methods, it is characterized in that, also comprise auxiliary data information unit in the described stationkeeping ability indication; Described auxiliary data information unit comprises: the auxiliary data information unit that A-GNSS id information unit, A-GNSS ID support;
Described A-GNSS localization method identifies corresponding one by one with the localization method of different A-GNSS location.
14. method according to claim 13 is characterized in that, described auxiliary data information unit also comprises: be used for behind selected localization method, send the auxiliary data information unit that the UE of auxiliary data lacks.
15. a device of realizing positioning service is characterized in that, comprises user equipment (UE) and enhanced service mobile location centre Chinese, wherein,
Mutual stationkeeping ability between described UE and enhanced service mobile location centre Chinese is to determine current stationkeeping ability;
Described UE or enhanced service mobile location centre Chinese are used for selecting localization method according to the current stationkeeping ability that obtains, and realize positioning service.
16. device according to claim 15 is characterized in that,
When the current stationkeeping ability of described enhanced service mobile location centre Chinese according to acquisition, when selecting localization method,
Described UE or eNB measure according to selected localization method; Described UE or enhanced service mobile location centre Chinese calculate according to measurement result, and the positioning result after will calculating returns to initiation positioning service requesting party;
When described UE is used for according to the current stationkeeping ability that obtains, when selecting suitable localization method,
UE or eNB measure according to selected localization method, and UE or enhanced service mobile location centre Chinese calculate according to measurement result, and the positioning result after will calculating returns to initiation positioning service requesting party.
17. device according to claim 16 is characterized in that,
Described enhanced service mobile location centre Chinese is used for after receiving Location Request, and to UE request stationkeeping ability, UE is to enhanced service mobile location centre Chinese restoring to normal position ability; Perhaps,
After described initiation positioning service requesting party initiated Location Request, described UE also was used for to enhanced service mobile location centre Chinese request stationkeeping ability, and described enhanced service mobile location centre Chinese is to UE restoring to normal position ability.
18. device according to claim 16 is characterized in that, described UE or enhanced service mobile location centre Chinese also are used for initiatively to opposite end feedback stationkeeping ability.
19., it is characterized in that described initiation positioning service requesting party is terminal or network entity according to each described device of claim 15～18;
Described network entity is mobile management entity MME or eNB.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910090231.5A CN101990297A (en) | 2009-08-03 | 2009-08-03 | Method and device for realizing locating service |
| PCT/CN2009/075854 WO2011015016A1 (en) | 2009-08-03 | 2009-12-22 | Method and device for realizing location services |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910090231.5A CN101990297A (en) | 2009-08-03 | 2009-08-03 | Method and device for realizing locating service |
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| CN101990297A true CN101990297A (en) | 2011-03-23 |
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| CN200910090231.5A Pending CN101990297A (en) | 2009-08-03 | 2009-08-03 | Method and device for realizing locating service |
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| CN (1) | CN101990297A (en) |
| WO (1) | WO2011015016A1 (en) |
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| CN102932810A (en) * | 2011-08-12 | 2013-02-13 | 华为技术有限公司 | Minimized drive test (MDT) method and equipment |
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| US6002936A (en) * | 1998-03-09 | 1999-12-14 | Ericsson Inc. | System and method for informing network of terminal-based positioning method capabilities |
| JP4474831B2 (en) * | 2003-01-28 | 2010-06-09 | 日本電気株式会社 | Mobile station location system, control device and mobile station in mobile communication network |
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| WO2008049274A1 (en) * | 2006-10-25 | 2008-05-02 | Huawei Technologies Co., Ltd. | A time difference of arrival based locating method and system |
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