CN103313300B - The method and apparatus obtaining positional information during MDT - Google Patents
The method and apparatus obtaining positional information during MDT Download PDFInfo
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Abstract
nullThe method and apparatus obtaining positional information during the embodiment of the invention discloses a kind of MDT，By applying the technical scheme of the embodiment of the present invention，Base station selected terminal unit is performed MDT task time，Successively carry out whether terminal unit supports that standalone GNSS positions，And whether this ability can be by the judgement of network-triggered，And in the case of judged result is and is，Configure this terminal unit and open standalone GNSS location when performing MDT process，The detailed geographical location information corresponding when performing MDT process to obtain this terminal unit，Thus，Make according to terminal unit, whether base station can support whether standalone GNSS stationkeeping ability and this standalone GNSS can be determined how to obtain positional information by the ability information of network-triggered，To ensure to obtain detailed geographical location information as soon as possible when performing MDT.
Description
Technical field
The present invention relates to communication technical field, particularly to the method and apparatus obtaining positional information during a kind of MDT.
Background technology
In following mobile communication system, it is desirable to by introducing the mechanism of network self-organization, reduce the artificial participation of the network planning and Operation and Maintenance, by network according to statistic Automatic Optimal parameter, reduce construction and the operation cost of network.
And in order to reduce the O&M cost of network, it is desirable to be able to take network configuration UE(User
Equipment, subscriber equipment, i.e. terminal unit) report or network side collection method, reduce the work of artificial drive test.
On the other hand, it is also desirable to be obtained in that the wireless measurement information in the region that common drive test cannot arrive.For these reasons, MDT(Minimization Drive Test, drive test is minimized) technology is introduced into.
At LTE(Long Term
Evolved, Long Term Evolution) Rel-10(Release
10, version 10) in, introduced MDT measures classification and includes following two.
(1) Immediate MDT(instant type minimizes drive test).
The MDT that connected state is carried out measures and reports.Multiplexing RRM(Radio Resource Management, RRM) measurement mechanism, once meet report condition, immediately to eNB(evolved
Node B, evolved base station)/RNC(Radio
Network Controller, radio network controller) report.
(2) Logged MDT(log type minimizes drive test).
The MDT that idle (Idle) state is carried out measures, and reports at follow-up connected state.Once meet the trigger condition of configuration, by acquisition measurement result and carry out storing (log), report eNB/RNC at follow-up proper moment.
In MDT, in addition to some metrical informations are provided, in addition it is also necessary to the time and geographical location information reported as precisely as possible occurred at that time is provided.
GNSS(Global Navigation Satellite System, GLONASS in the prior art, it is proposed that standalone(is independent)) location technology.
If UE(User is Equipment, subscriber equipment, i.e. terminal unit) there is GNSS function, such as GPS(Global Positioning System, global positioning system), just can directly utilize GPS and obtain the current position of UE, this technology is referred to as standalone GNSS location.
At present, standalone GNSS is mainly enabled by upper layer application, does not the most support to trigger for the demand of Access Layer.
The A-GNSS(Assisted-GNSS introduced in LTE system, assisted GNSS) method, primarily to solve the problem of standalone GNSS search of satellite overlong time, and allow network provide some assistance datas, allow UE faster search for satellite, thus earlier position.
Generally, enabling of A-GNSS method is also that upper layer application or third party's location client end are initiated, not for MDT or AS(Access Stratum, Access Layer) other purposes and trigger.
Whether current UE supports standalone GNSS stationkeeping ability, as an informing network side in UE ability.But in prior art, it is contemplated that the power consumption of UE and complexity, positional information relevant for MDT is " best effort(provides as possible) ", if i.e. there being effective geographical location information in detail, then includes this geographical location information when recording result；Otherwise, the metrical information (RF of record other adjacent cells at that time
Fingerprint), network side passes through these data-evaluations geographical location information at that time, and the position fixing process not carrying out especially being correlated with for the purpose of MDT is to obtain positional information.
Above-mentioned Immediate MDT and Logged
MDT, is all that UE side carries out MDT measurement amount and collects, and associates geographical location information one piece and report network side.
Current for QoS(Quality
Of Service, service quality) verify this MDT use-case, agree to statistics Scheduled
IP throughput measurement amount, this measurement amount is performed by base station side, and geographical position can be reported by UE side, and detail has not determined.
During owing to carrying out MDT collection, the positional information at place measured at that time in record is critically important, therefore, is necessary to strengthen geographical location information in WeiLai Technology.
During realizing the present invention, inventor finds at least to there is problems in that in prior art
How the detailed geographical location information in MDT is strengthened, the most also do not have conclusion.If passing through standalone
GNSS forces location to obtain detailed geographical location information, will not bring complexity to network side, and precision is high, but not all UE possesses standalone GNSS stationkeeping ability, and at indoor scene, GNSS signal decay is big, and standalone GNSS can not be used to position.Even if it addition, terminal possesses standalone
GNSS stationkeeping ability, it is also possible to by certain applications trigger of UE, and can not can only be triggered by the Access Layer of network.
Summary of the invention
The embodiment of the present invention obtains the method and apparatus of positional information during providing a kind of MDT, solve can not make full use of in existing technical scheme the standalone of terminal unit
The problem that GNSS stationkeeping ability obtains the terminal unit detailed geographical location information corresponding when performing MDT process.
For reaching above-mentioned purpose, the embodiment of the present invention obtains the method for positional information during on the one hand providing a kind of MDT, comprise the following steps:
When base station selected terminal unit is performed MDT task time, described base station judges whether described terminal unit supports standalone
GNSS positions；
If supported, described base station judges whether to carry out standalone GNSS location by terminal unit described in network-triggered；
If it is judged that be yes, described base station configures described terminal unit and opens standalone GNSS location when performing MDT process, the detailed geographical location information corresponding when performing MDT process to obtain described terminal unit.
On the other hand, the embodiment of the present invention additionally provides a kind of base station, including:
First judge module, for when selecting a terminal unit is performed MDT task, it is judged that whether described terminal unit supports that standalone GNSS positions；
Second judge module, for when the judged result of described first judge module is for supporting, it may be judged whether can carry out standalone by terminal unit described in network-triggered
GNSS positions；
First processing module, for when the judged result of described first judge module is for being, configure described terminal unit and open standalone GNSS location when performing MDT process, the detailed geographical location information corresponding when performing MDT process to obtain described terminal unit；
Second processing module, for when the judged result of described first judge module is not for supporting, selects other location modes to obtain the detailed geographical location information that described terminal unit is corresponding when performing MDT process.
Compared with prior art, the technical scheme that the embodiment of the present invention is proposed has the advantage that
nullBy applying the technical scheme of the embodiment of the present invention，Base station selected terminal unit is performed MDT task time，Successively carry out whether terminal unit supports that standalone GNSS positions，And whether this ability can be by the judgement of network-triggered，And in the case of judged result is and is，Configure this terminal unit and open standalone GNSS location when performing MDT process，The detailed geographical location information corresponding when performing MDT process to obtain this terminal unit，Thus，Make according to terminal unit, whether base station can support whether standalone GNSS stationkeeping ability and this standalone GNSS can be determined how to obtain positional information by the ability information of network-triggered，To ensure to obtain detailed geographical location information as soon as possible when performing MDT.
Accompanying drawing explanation
The schematic flow sheet of the method for positional information is obtained during a kind of MDT that Fig. 1 is proposed by the embodiment of the present invention；
The schematic flow sheet of the method for positional information is obtained during MDT in a kind of concrete scene that Fig. 2 is proposed by the embodiment of the present invention；
The principle schematic of the localization method of a kind of TA+AoA that Fig. 3 is proposed by the embodiment of the present invention；
Fig. 4 is the structural representation of a kind of base station that the embodiment of the present invention proposes.
Detailed description of the invention
As stated in the Background Art, MDT technology is a kind of O&M cost in order to reduce network, take the network self-organization mechanism that network configuration terminal unit reports or network side collection method realizes, it reduces the work of artificial drive test, and in MDT, in addition to some metrical informations are provided, it is also required to provide the time occurred at that time and geographical location information reported as precisely as possible, but, prior art does not also have a kind of detailed geographical location information in MDT is strengthened, thus obtain the scheme of more accurate geographical location information.
Whether, in order to overcome such defect, the embodiment of the present invention obtains the method for positional information during proposing a kind of MDT, report self to have by terminal unit and can be used standalone by network-triggered
The ability information of GNSS location, allows base station can determine how to obtain positional information according to the ability of terminal unit, to ensure to obtain in time detailed geographical location information when performing MDT process.
As it is shown in figure 1, obtain the schematic flow sheet of the method for positional information during a kind of MDT proposed by the embodiment of the present invention, the method specifically includes following steps:
Step S101, when base station selected terminal unit is performed MDT task time, described base station judges whether described terminal unit supports that standalone GNSS positions.
If supported, then perform step S102；
If it does not, then perform step S104.
In the judge process of this step; whether terminal unit supports that standalone GNSS location needs the ability information reported in advance according to terminal unit to judge; certainly; if registering or backed up the ability information of each terminal unit the most in a base station; the most above-mentioned ability information can also no longer report, and such change has no effect on protection scope of the present invention.
Step S102, described base station judge whether to carry out standalone by terminal unit described in network-triggered
GNSS positions.
If it is judged that be no, then perform step S103；
If it is judged that be yes, then perform step S104.
Similar with step S101, in the judge process of this step, if standalone can be carried out by terminal unit described in network-triggered
GNSS location needs the ability information reported in advance according to terminal unit to judge; certainly; if registering or backed up the ability information of each terminal unit the most in a base station, the most above-mentioned ability information can also no longer report, and such change has no effect on protection scope of the present invention.
By the judgement of this step, base station may determine that self whether can control terminal unit opens standalone GNSS location.
Step S103, described other location modes base station selected obtain the detailed geographical location information that described terminal unit is corresponding when performing MDT process.
Wherein it is desired to explanation, if in aforesaid step S102, described base station judges to carry out standalone by terminal unit described in network-triggered
GNSS positions, then, above-mentioned step S104 can also further be handled differently according to the status information that this terminal unit is current accordingly, is described as follows:
If this terminal unit is under connection mode, the most described other location modes base station selected obtain the detailed geographical location information that described terminal unit is corresponding when performing MDT process.
If this terminal unit is under Idle state, the most described base station configures described terminal unit and is only opening standalone
MDT process is just performed in the case of GNSS location.
Step S104, described base station configure described terminal unit and open standalone GNSS location when performing MDT process, the detailed geographical location information corresponding when performing MDT process to obtain described terminal unit.
In actual application scenarios, the processing procedure of this step can also further include following handling process:
The prior information of the current area that described base station is belonged to according to described terminal unit determines whether that triggering described terminal unit opens standalone
GNSS positions.
Such process specifically can be divided into two kinds of situations:
If the prior information of the current area that the described base station of situation one is belonged to according to described terminal unit judges that current area location exists signal and stops, or inconvenience receives GNSS signal, then wouldn't trigger described terminal unit and open standalone GNSS location.
Such as, if current area is in-door covering community, or high rise building dense, then can not start standalone GNSS location by triggering terminal equipment.
If the prior information of the current area that the described base station of situation two is belonged to according to described terminal unit judges that current area location can normally receive GNSS signal, then trigger described terminal unit and be always on standalone GNSS location.
Such as, if current area is in the area that can receive GNSS signal of spaciousness, then directly standalone can be started by configurating terminal device
GNSS positions.
On the other hand, ability information in view of terminal unit self has simply indicated that the support that terminal unit positions for network-triggered standalone GNSS, but, due to network transmission environment, the change of terminal unit self-ability and other External force interferences, the capability state of this terminal may be affected, this ability is caused normally to realize, therefore, after above-mentioned step S104 completes, can further include the execution proof procedure of following standalone GNSS location, concrete, on the basis of step S104 before, the schematic flow sheet of corresponding processing procedure is as shown in Figure 2, specifically include following steps:
Step S105, described base station judge the most described terminal unit can normally perform standalone
GNSS positions.
If it is then perform step S106；
Step S103 is performed if it is not possible, then return.
It should be noted that in actual application scenarios, in this step, described base station judges that described terminal unit currently cannot normally perform the foundation that standalone GNSS positions, at least include one or more following situations:
(1) terminal unit described in described base station triggers performs standalone
During GNSS location, start an intervalometer, but before described timer expiry, described base station does not get the detailed geographical location information that described terminal unit is corresponding when performing MDT process.
(2) when terminal unit described in described base station triggers performs standalone GNSS location, start an enumerator, but when the count value of described enumerator reaches maximum times, the detailed geographical location information that described base station is corresponding when performing MDT process still without getting described terminal unit, wherein, during described MDT, described terminal unit often reports one-shot measurement value, and the count value of described enumerator is added up one by described base station.
(3), after terminal unit described in described base station triggers opens standalone GNSS location when performing MDT process, described base station receives the instruction that cannot perform GNSS location that described terminal unit reports.
(4), after terminal unit described in described base station triggers opens standalone GNSS location when performing MDT process, described base station is not received by the latitude and longitude information that described terminal unit reports, but receives the RF that described terminal unit reports
Fingerprint(radio-frequency fingerprint) measurement result.
In actual application scenarios, several foundations that concrete employing is above-mentioned, can be set according to the actual needs, and other can determine that terminal unit can not normally perform standalone
The foundation of GNSS location, may be equally applicable to the technical scheme that the embodiment of the present invention is proposed, and such change according to content can't affect protection scope of the present invention.
Terminal unit described in step S106, described base station triggers opens standalone GNSS location when performing MDT process.
It is further noted that in above-mentioned processing procedure, step S103 uses triggering terminal opening of device standalone by making base station
Mode beyond GNSS location, obtain the detailed geographical location information that terminal unit is corresponding when performing MDT process, in actual application scenarios, such mode can have a lot, the effort fashion of every acquisition that can reach to make base station carry out detailed geographical location information all can apply to technical scheme proposed by the invention, in the present embodiment, the acquisition of detailed geographical location information at least can be realized by following two ways.
TA(TATiming Advance, Timing Advance are triggered by autonomous in mode one, described base station)+AoA(Angele of Arrival, arrival bearing) mode, obtain the detailed geographical location information that described terminal unit is corresponding when performing MDT process.
In existing technical scheme, CELL_ID(cell ID) localization method is localization method based on MPS process, uses known Serving cell geography information to estimate the position of target UE.This service cell information can pass through calling, paging, TA(Tracking
Area, tracking area) mode such as district's renewal obtains.
TA+AoA considers Timing Advance (i.e. TA) and the factor of arrival bearing (i.e. AoA) on the basis of CELL_ID localization method, thus reaches to position more accurately purpose.
AoA, UE that base station obtains UE transmitting signal by smart antenna are on the ray with eNB as starting point, and ray is AoA from the angle that direct north rotates counterclockwise.
Reception and the time difference of transmission that the time difference that in LTE, the acquisition of TA can be received by terminal to report UE and send measures plus base station calculate (the calculated TA of the method is referred to as TA TYPE1), it is also possible to obtained (the calculated TA of the method is referred to as TA TYPE2) by special random access procedure by base station measurement.TA is multiplied by the light velocity divided by 2, illustrates UE with the distance between base station, and UE is at base station as the center of circle, on terminal and the base station distance circumference as radius.Angle information further according to AoA is obtained with the positional information of terminal, according to the schematic diagram obtained by above-mentioned positioning principle as shown in Figure 3.
The localization method of TA+AoA is generally only used for network location, and main cause is that AoA can only be obtained by base station measurement, TA
TYPE1 and TA TYPE2 is also to be calculated by base station or measured to obtain, and the most all measurement amounts relevant to this localization method are all that base station provides.
Therefore, although the positioning result that TA+AoA localization method is obtained does not has GNSS precision high, but the method advantage is, for the terminal of not support location service, it is also possible to positioned it by the method.
Based on described above, do not support that network-triggered uses standalone GNSS location at terminal unit, or in the case of terminal unit currently cannot normally perform standalone GNSS location, the localization method of TA+AoA can be used to realize the acquisition of detailed geographical location information.
Mode two, described base station by using self as LCS(LoCation
Service, positioning service) client, and trigger the mode of LCS positioning flow, obtain the detailed geographical location information that described terminal unit is corresponding when performing MDT process.
Such mode is the method for the position obtaining terminal unit based on mobile communications network, can not support that network-triggered uses standalone GNSS location at terminal unit, or in the case of terminal unit currently cannot normally perform standalone GNSS location, for carrying out the acquisition of the terminal unit detailed geographical location information corresponding when performing MDT process.
It should be noted that; above-mentioned two ways is the alternative of adaptable standalone GNSS location in actual application scenarios; i.e. do not support that network-triggered uses standalone GNSS location at terminal unit; or in the case of terminal unit currently cannot normally perform standalone GNSS location; carry out the acquisition of detailed geographical location information; which kind of mode specifically chosen; and whether use other can reach the mode of similar technology effect, all do not interfere with protection scope of the present invention.
Compared with prior art, the technical scheme that the embodiment of the present invention is proposed has the advantage that
nullBy applying the technical scheme of the embodiment of the present invention，Base station selected terminal unit is performed MDT task time，Successively carry out whether terminal unit supports that standalone GNSS positions，And whether this ability can be by the judgement of network-triggered，And in the case of judged result is and is，Configure this terminal unit and open standalone GNSS location when performing MDT process，The detailed geographical location information corresponding when performing MDT process to obtain this terminal unit，Thus，Make according to terminal unit, whether base station can support whether standalone GNSS stationkeeping ability and this standalone GNSS can be determined how to obtain positional information by the ability information of network-triggered，To ensure to obtain detailed geographical location information as soon as possible when performing MDT.
Below, in conjunction with concrete application scenarios, the technical scheme being proposed the embodiment of the present invention illustrates.
In the technical scheme that the embodiment of the present invention is proposed, it is provided that the method and apparatus obtaining positional information during a kind of MDT, make whether base station can support standalone according to terminal unit
Whether GNSS stationkeeping ability and this standalone GNSS can be determined how to obtain positional information by the ability information of network-triggered, solve the standalone GNSS stationkeeping ability that can not make full use of terminal unit in existing technical scheme to the problem obtaining the terminal unit detailed geographical location information corresponding when performing MDT process.
Below, by different embodiments, respectively various situations mentioned in aforesaid step S101 to step S106 are illustrated.
Embodiment one, UE support standalone GNSS location, but do not support to be positioned by network-triggered standalone GNSS.
When base station side selects that a UE is performed MDT task, know that this terminal supports standalone GNSS location according to the capability reporting information of this UE, but do not support that being opened standalone GNSS by network-triggered positions.
If network wants that starting connected state UE performs MDT measurement, starts other localization method the most immediately, the mode such as TA+AOA carries out positional information acquisition.
And if network wants the surveying record of the MDT allowing UE perform under Idle, then can configure UE only in the case of standalone GNSS opens and can obtain positional information, the MDT just performed under Idle measures.
Corresponding with the technical scheme that aforesaid step S101 to step S106 is proposed, the technical scheme that the present embodiment is proposed is equivalent to step S101 and obtains the judged result of affirmative, but step S102 obtains the processing procedure of negative judgment result.
Embodiment two, UE support standalone
GNSS positions, and supports to be positioned by network-triggered standalone GNSS, but UE cannot normally perform standalone GNSS and position (UE can only report RF fingerprint information).
When base station side selects that a UE is performed MDT task, know that this UE supports standalone GNSS location according to the capability reporting information of this UE, and support to be opened standalone by network-triggered
GNSS positions.
Then, base station side, according to the prior information (outdoor cell is able to receive that GNSS signal) of current community, configures this UE and performs MDT and measure, and open standalone GNSS and carry out the acquisition of detailed geographical location information.
If UE still cannot report accurate geographical location information within a period of time, but reports RF
Fingerprint information, then it represents that UE currently cannot normally perform standalone
GNSS positions, therefore, other location modes of network startup, as the mode of TA+AOA carries out positional information acquisition, and the MDT measurement result that this positional information reports with UE is associated.
Corresponding with the technical scheme that aforesaid step S101 to step S106 is proposed, the technical scheme that the present embodiment is proposed is equivalent to step S101 and step S102 and obtains the judged result of affirmative, but step S105 is according to the processing procedure obtaining negative judgment result according to (4).
Embodiment three, UE support standalone
GNSS positions, and supports to be positioned by network-triggered standalone GNSS, but UE cannot normally perform standalone GNSS and position (timer expiry).
When base station side selects that a UE is performed MDT task, base station is according to the ability (support standalone GNSS location, and support by network-triggered) of this UE, and configuration UE performs to start when MDT measures standalone GNSS location.
When base station triggers UE performs standalone GNSS location, a base station initiated intervalometer, length can be the fixed value set in advance.
If timer expiry, but base station still cannot receive the accurate geographical location information that UE reports, then base station automatically starts the localization method (such as the mode of TA+AOA) of other modes and carries out positional information acquisition.
Corresponding with the technical scheme that aforesaid step S101 to step S106 is proposed, the technical scheme that the present embodiment is proposed is equivalent to step S101 and step S102 and obtains the judged result of affirmative, but step S105 is according to the processing procedure obtaining negative judgment result according to (1).
Embodiment four, UE support standalone
GNSS positions, and supports to be positioned by network-triggered standalone GNSS, but UE cannot normally perform standalone GNSS and position (enumerator reaches maximum).
When base station side selects that a UE is performed MDT task, base station is according to the ability (support standalone GNSS location, and support by network-triggered) of this UE, and configuration UE performs to start when MDT measures standalone GNSS location.
When base station triggers UE performs standalone GNSS location, a base station initiated enumerator, MDT measurement result is reported for recording UE, but the number of times of detailed geographical location information (information of longitude and latitude) is not provided, on the contrary, if UE has reported detailed geographical location information, then this counter O reset.
When enumerator reaches maximum times, base station automatically starts the localization method (such as the mode of TA+AOA) of other modes and carries out positional information acquisition.
In addition to the above embodiments two to four, other base station judge UE cannot normally perform standalone GNSS location processing procedure can the like, be not repeated citing.
Compared with prior art, the technical scheme that the embodiment of the present invention is proposed has the advantage that
nullBy applying the technical scheme of the embodiment of the present invention，Base station selected terminal unit is performed MDT task time，Successively carry out whether terminal unit supports that standalone GNSS positions，And whether this ability can be by the judgement of network-triggered，And in the case of judged result is and is，Configure this terminal unit and open standalone GNSS location when performing MDT process，The detailed geographical location information corresponding when performing MDT process to obtain this terminal unit，Thus，Make according to terminal unit, whether base station can support whether standalone GNSS stationkeeping ability and this standalone GNSS can be determined how to obtain positional information by the ability information of network-triggered，To ensure to obtain detailed geographical location information as soon as possible when performing MDT.
In order to realize the technical scheme of the embodiment of the present invention, the embodiment of the present invention additionally provides a kind of base station, and its structural representation as shown in Figure 4, at least includes:
First judge module 41, for when selecting a terminal unit is performed MDT task, it is judged that whether described terminal unit supports that standalone GNSS positions；
Second judge module 42, for when the judged result of described first judge module 41 is for supporting, it may be judged whether can carry out standalone GNSS location by terminal unit described in network-triggered；
First processing module 43, for when the judged result of described first judge module 41 is for being, configures described terminal unit and opens standalone when performing MDT process
GNSS positions, the detailed geographical location information corresponding when performing MDT process to obtain described terminal unit；
Second processing module 44, for when the judged result of described first judge module 41 is not for supporting, selects other location modes to obtain the detailed geographical location information that described terminal unit is corresponding when performing MDT process.
In actual application scenarios, described second processing module 44, it is additionally operable to:
When the judged result of described second judge module 42 is no, carry out following process:
If described terminal unit is under connection mode, other location modes are selected to obtain the detailed geographical location information that described terminal unit is corresponding when performing MDT process；
If described terminal unit is under Idle state, configures described terminal unit and opening standalone
GNSS performs MDT process in the case of location.
Under another kind of scene, described first processing module 43, it is additionally operable to:
Standalone is opened when performing MDT process configuring described terminal unit
During GNSS location, the prior information of the current area belonged to according to described terminal unit determines whether that triggering described terminal unit opens standalone
GNSS positions.
Further, above-mentioned base station, also include the 3rd judge module 45, be used for:
After opening standalone GNSS location when described first processing module 43 configures described terminal unit in execution MDT process, it is judged that the most described terminal unit can normally perform standalone
GNSS positions；
If it can, notify that described first processing module 43 triggers described terminal unit and opens standalone GNSS location when performing MDT process；
If it is not possible, notify that described second processing module 44 selects other location modes to obtain the detailed geographical location information that described terminal unit is corresponding when performing MDT process.
In above-mentioned each scene, described second processing module 44, specifically for:
By the way of autonomous triggering TA+ AOA, obtain the detailed geographical location information that described terminal unit is corresponding when performing MDT process；Or,
By using described base station self as LCS client, and trigger the mode of LCS positioning flow, obtain the detailed geographical location information that described terminal unit is corresponding when performing MDT process.
Compared with prior art, the technical scheme that the embodiment of the present invention is proposed has the advantage that
nullBy applying the technical scheme of the embodiment of the present invention，Base station selected terminal unit is performed MDT task time，Successively carry out whether terminal unit supports that standalone GNSS positions，And whether this ability can be by the judgement of network-triggered，And in the case of judged result is and is，Configure this terminal unit and open standalone GNSS location when performing MDT process，The detailed geographical location information corresponding when performing MDT process to obtain this terminal unit，Thus，Make according to terminal unit, whether base station can support whether standalone GNSS stationkeeping ability and this standalone GNSS can be determined how to obtain positional information by the ability information of network-triggered，To ensure to obtain detailed geographical location information as soon as possible when performing MDT.
Through the above description of the embodiments, those skilled in the art is it can be understood that can realize by hardware to the embodiment of the present invention, it is also possible to the mode adding necessary general hardware platform by software realizes.Based on such understanding, the technical scheme of the embodiment of the present invention can embody with the form of software product, it (can be CD-ROM that this software product can be stored in a non-volatile memory medium, USB flash disk, portable hard drive etc.) in, including some instructions with so that a computer equipment (can be personal computer, server, or network equipment etc.) performs the embodiment of the present invention, each implements the method described in scene.
It will be appreciated by those skilled in the art that accompanying drawing is a schematic diagram being preferable to carry out scene, module or flow process in accompanying drawing are not necessarily implemented necessary to the embodiment of the present invention.
It will be appreciated by those skilled in the art that the module in the device implemented in scene can carry out being distributed in the device implementing scene according to implementing scene description, it is also possible to carry out respective change and be disposed other than in one or more devices of this enforcement scene.The module of above-mentioned enforcement scene can merge into a module, it is also possible to is further split into multiple submodule.
The invention described above embodiment sequence number, just to describing, does not represent the quality implementing scene.
The several scenes that are embodied as being only the embodiment of the present invention disclosed above, but, the embodiment of the present invention is not limited to this, and the changes that any person skilled in the art can think of all should fall into the business of the embodiment of the present invention and limit scope.
Claims (11)
1. one kind minimize drive test MDT during obtain the method for positional information, it is characterised in that bag
Include following steps:
When base station selected terminal unit is performed MDT task time, described base station judges that described terminal sets
For whether supporting that standalone Global navigational satellite system standalone GNSS positions；
If supported, described base station judges whether to be carried out by terminal unit described in network-triggered
Standalone GNSS positions；
If it is judged that be yes, described base station configures described terminal unit and opens when performing MDT process
Standalone GNSS positions, with obtain described terminal unit when performing MDT process corresponding detailed
Thin geographical location information；
Wherein, described base station judges whether to carry out standalone by terminal unit described in network-triggered
After GNSS location, if it is judged that be no, the process that described base station is carried out includes:
If described terminal unit is under connection mode, described other location modes base station selected obtain institute
State the detailed geographical location information that terminal unit is corresponding when performing MDT process；
If described terminal unit is under idle Idle state, described base station configures described terminal unit and exists
MDT process is performed in the case of opening standalone GNSS location.
2. the method for claim 1, it is characterised in that whether described base station judges described terminal
After supporting standalone GNSS location, also include:
If it does not, described other location modes base station selected obtain described terminal unit is performing MDT
Detailed geographical location information corresponding during process.
3. the method for claim 1, it is characterised in that described base station configures described terminal unit
Open standalone GNSS location when performing MDT process, also include:
The prior information of the current area that described base station is belonged to according to described terminal unit determines whether to touch
Send out terminal unit described and open standalone GNSS location.
4. method as claimed in claim 3, it is characterised in that described base station is according to described terminal unit
The prior information of the current area belonged to determines whether to trigger standalone GNSS location, specifically wraps
Include:
If the prior information of the current area that described base station is belonged to according to described terminal unit judges current
There is signal and stop in community location, or inconvenience receives GNSS signal, then wouldn't trigger described end
End opening of device standalone GNSS location；
If the prior information of the current area that described base station is belonged to according to described terminal unit judges current
Community location can normally receive GNSS signal, then trigger described terminal unit and be always on
Standalone GNSS positions.
5. the method for claim 1, it is characterised in that described base station configures described terminal unit
Open standalone GNSS location when performing MDT process after, also include:
It is fixed that described base station judges the most described terminal unit can normally perform standalone GNSS
Position；
If it can, terminal unit described in described base station triggers opens standalone when performing MDT process
GNSS positions；
If it is not possible, described other location modes base station selected obtain described terminal unit is performing MDT
Detailed geographical location information corresponding during process.
6. the method as described in any one in claim 1,2 or 5, it is characterised in that described base
Stand selection other location modes obtain described terminal unit perform MDT process time corresponding in detail
Reason positional information, specifically includes:
Described base station, by the way of independently triggering timing advance TA+arrival bearing AOA, obtains institute
State the detailed geographical location information that terminal unit is corresponding when performing MDT process；Or,
Described base station by using self as positioning service LCS client, and trigger LCS positioning flow
Mode, obtains the detailed geographical location information that described terminal unit is corresponding when performing MDT process.
7. method as claimed in claim 5, it is characterised in that described base station judges described terminal unit
Currently cannot normally perform the foundation of standalone GNSS location, at least include:
When terminal unit described in described base station triggers performs standalone GNSS location, start a timing
Device, but before described timer expiry, described base station does not get described terminal unit and is performing MDT
Detailed geographical location information corresponding during process；And/or,
When terminal unit described in described base station triggers performs standalone GNSS location, start a counting
Device, but when the count value of described enumerator reaches maximum times, described base station is described still without getting
The detailed geographical location information that terminal unit is corresponding when performing MDT process, wherein, at described MDT
During, described terminal unit often reports one-shot measurement value, and described base station is by the count value of described enumerator
Cumulative one；And/or,
It is fixed that terminal unit described in described base station triggers opens standalone GNSS when performing MDT process
After Wei, described base station receives the instruction that cannot perform GNSS location that described terminal unit reports；With/
Or,
It is fixed that terminal unit described in described base station triggers opens standalone GNSS when performing MDT process
After Wei, described base station is not received by the latitude and longitude information that described terminal unit reports, but receives institute
State the RF fingerprint measurement result that terminal unit reports.
8. a base station, it is characterised in that including:
First judge module, for when selecting a terminal unit is performed MDT task, it is judged that described
Whether terminal unit supports that standalone GNSS positions；
Second judge module, for when the judged result of described first judge module is for supporting, it is judged that be
No can carry out standalone GNSS location by terminal unit described in network-triggered；
First processing module, for when the judged result of described first judge module is for being, configuration is described
Terminal unit opens standalone GNSS location when performing MDT process, sets obtaining described terminal
The standby detailed geographical location information corresponding when performing MDT process；
Second processing module, for when the judged result of described first judge module is not for supporting, selecting
Other location modes obtain the detailed geographical position that described terminal unit is corresponding when performing MDT process
Information；
Wherein, described second processing module, it is additionally operable to:
When judged result at described second judge module is no, carry out following process:
If described terminal unit is under connection mode, selects other location modes to obtain described terminal and set
The standby detailed geographical location information corresponding when performing MDT process；
If described terminal unit is under Idle state, configures described terminal unit and opening standalone
GNSS performs MDT process in the case of location.
9. base station as claimed in claim 8, it is characterised in that described first processing module, is additionally operable to:
When configuring described terminal unit unlatching standalone GNSS location when performing MDT process,
The prior information of the current area belonged to according to described terminal unit determines whether that triggering described terminal sets
The standby standalone GNSS of unlatching positions.
10. base station as claimed in claim 8, it is characterised in that also include the 3rd judge module, use
In:
Configure described terminal unit in described first processing module to open when performing MDT process
After standalone GNSS location, it is judged that the most described terminal unit can normally perform
Standalone GNSS positions；
If it can, notify that described first processing module triggers described terminal unit when performing MDT process
Open standalone GNSS location；
If it is not possible, notify that described second processing module selects other location modes to obtain described terminal and sets
The standby detailed geographical location information corresponding when performing MDT process.
11. base stations as described in any one in claim 8 or 10, it is characterised in that described second
Processing module, specifically for:
By the way of autonomous triggering TA+AOA, obtain described terminal unit and performing MDT process
Time corresponding detailed geographical location information；Or,
By using described base station self as LCS client, and trigger the mode of LCS positioning flow, come
Obtain the detailed geographical location information that described terminal unit is corresponding when performing MDT process.
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| CN103313185B (en) * | 2012-03-16 | 2016-08-31 | 电信科学技术研究院 | Location information acquisition method and equipment |
| CN104918323A (en) * | 2014-03-12 | 2015-09-16 | 电信科学技术研究院 | Terminal location method and device |
| CN105517018B (en) * | 2015-12-15 | 2019-04-02 | 中国联合网络通信集团有限公司 | A kind of method and device obtaining location information |
| WO2019153278A1 (en) * | 2018-02-09 | 2019-08-15 | 北京小米移动软件有限公司 | Method and device for minimization of drive tests, user equipment, and base station |
| US11317473B2 (en) * | 2018-08-03 | 2022-04-26 | Apple Inc. | Device-capability-based and standalone paging in new radio unlicensed band |
| CN112543470B (en) * | 2019-09-23 | 2023-04-07 | ***通信集团重庆有限公司 | Terminal positioning method and system based on machine learning |
| CN115088275A (en) * | 2022-05-09 | 2022-09-20 | 北京小米移动软件有限公司 | Method and device for triggering position information reporting |
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