CN107404757A - The localization method and system of a kind of user equipment (UE) - Google Patents
The localization method and system of a kind of user equipment (UE) Download PDFInfo
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- CN107404757A CN107404757A CN201610340974.3A CN201610340974A CN107404757A CN 107404757 A CN107404757 A CN 107404757A CN 201610340974 A CN201610340974 A CN 201610340974A CN 107404757 A CN107404757 A CN 107404757A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/025—Services making use of location information using location based information parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
- H04W64/006—Locating users or terminals or network equipment for network management purposes, e.g. mobility management with additional information processing, e.g. for direction or speed determination
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- Computer Networks & Wireless Communication (AREA)
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- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a kind of localization method of user equipment (UE) and system, wherein, methods described includes：The current service cell of the UE is determined, and, the first neighboring station cell and second neighboring station cell adjacent with the current service cell；The UE and the current service cell, the first neighboring station cell and the second neighboring station cell timing advance TA value are obtained respectively；According to the geographical location information of the current service cell, the first neighboring station cell and the second neighboring station cell, and, the UE and the timing advance TA value of the current service cell, the first neighboring station cell and the second neighboring station cell, determine the position of the UE.Solve the problems, such as that positioning accuracy existing for existing targeting scheme is poor, application environment has limitation by the present invention.
Description
Technical field
The present invention relates to communication technical field, more particularly to the localization method and system of a kind of user equipment (UE).
Background technology
UE (User Equipment, user equipment) positioning service is widely used, for example, UE positioning services can be used for
Emergency relief and the navigation realized based on position, charging, scheduling, tracing management etc..
The UE targeting schemes of generally use are at present：E-CID modes, namely TA (Timing Advance, timing advance
Amount)+AOA (Angle-of-Arrival, angle of arrival ranging) mode.Specific positioning flow can be as follows：Base station passes through intelligence
Can antenna obtain the AOA of UE transmission signals, UE is in using base station as on the ray of starting point, and ray revolves counterclockwise from direct north
The angle turned is AOA.The time difference that TA acquisition can report UE to receive and send by terminal obtains plus base station side measurement
Reception and time difference of transmission calculate, TA is multiplied by the light velocity divided by 2, illustrate UE and be at the distance between base station, UE
Using base station as the center of circle, UE and base station distance on the circumference of radius, UE position is obtained with further according to AOA angle information
Information.
However, there are problems in existing targeting scheme：TA+AOA localization method, in NLOS (Non Line of
Sight, non line of sight) environment, the AOA information errors that base station measures are larger, and customer location deviation is larger, and AOA information was at 8 days
Line intelligent residential district could obtain, and 2 antenna cells can not obtain AOA values, that is, existing targeting scheme positioning accuracy is poor, should
There is limitation with environment.
The content of the invention
The present invention provides a kind of localization method and system of user equipment (UE), to solve existing targeting scheme positioning accuracy
Difference, application environment have the problem of limitation.
In order to solve the above problems, the invention discloses a kind of localization method of user equipment (UE), including：
Determine the current service cell of the UE, and, the first neighboring station cell adjacent with the current service cell and
Second neighboring station cell；
The UE and the current service cell, the first neighboring station cell and the second neighboring station cell are obtained respectively
Timing advance TA value；
Believed according to the geographical position of the current service cell, the first neighboring station cell and the second neighboring station cell
Breath, and, the UE and the timing advance of the current service cell, the first neighboring station cell and the second neighboring station cell
TA values are measured, determine the position of the UE.
The invention also discloses a kind of alignment system of user equipment (UE), including：
Determining module, for determining the current service cell of the UE, and, adjacent with the current service cell
One neighboring station cell and the second neighboring station cell；
Acquisition module, for obtaining the UE and the current service cell, the first neighboring station cell and described respectively
The timing advance TA value of second neighboring station cell；
Locating module, for according to the current service cell, the first neighboring station cell and the second neighboring station cell
Geographical location information, and, the UE and the current service cell, the first neighboring station cell and second neighboring station are small
The timing advance TA value in area, determine the position of the UE.
Compared with prior art, the present invention includes advantages below：
A kind of targeting scheme of user equipment (UE) of the present invention, the current service cell of the UE can be first determined,
And the first neighboring station cell and second neighboring station cell adjacent with the current service cell；Then, obtain respectively the UE with
The timing advance TA value of the current service cell, the first neighboring station cell and the second neighboring station cell；Finally, according to
The geographical location information of the current service cell, the first neighboring station cell and the second neighboring station cell, and, the UE
With the timing advance TA value of the current service cell, the first neighboring station cell and the second neighboring station cell, institute is determined
State UE position.It can be seen that scheme of the present invention can according to the geographical location information of three base stations, and three base stations and
TA values between UE position to unknown UE, and because the geographical location information of three base stations is known, and it is geographical
Positional information is extremely accurate, and therefore, the accuracy of the UE determined based on three base stations position is high, meanwhile, also letter
Change positioning flow, process is clear, and complexity is relatively low, it is easy to accomplish.In addition, scheme of the present invention is to serving cell
Hardware requirement it is low, go for most external field environment, have a wide range of application.
Brief description of the drawings
Fig. 1 is a kind of step flow chart of the localization method of user equipment (UE) in the embodiment of the present invention one；
Fig. 2 is a kind of step flow chart of the localization method of user equipment (UE) in the embodiment of the present invention two；
Fig. 3 is a kind of step flow chart of the localization method of user equipment (UE) in the embodiment of the present invention three；
Fig. 4 is a kind of structured flowchart of the alignment system of user equipment (UE) in the embodiment of the present invention four；
Fig. 5 is a kind of structured flowchart of the alignment system of preferable user equipment (UE) in the embodiment of the present invention four.
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is further detailed explanation.
Embodiment one
Reference picture 1, show a kind of step flow chart of the localization method of user equipment (UE) in the embodiment of the present invention one.
In the present embodiment, the localization method of the user equipment (UE) includes：
Step 102, the current service cell of the UE is determined, and, adjacent with the current service cell first is adjacent
Cell of standing and the second neighboring station cell.
In the present embodiment, UE particular location can be determined according at least three serving cells.Wherein, including but not
It is only limitted to that following three serving cell can be selected：The current service cell of the UE, and, with the current service cell phase
Adjacent the first neighboring station cell and the second neighboring station cell.Due to the first neighboring station cell and the second neighboring station cell and the current clothes
Cell of being engaged in is adjacent, therefore, reduces resource consumption and data processing amount in data handling procedure, improves location efficiency.
Step 104, the UE and the current service cell, the first neighboring station cell and second neighbour are obtained respectively
The timing advance TA value for cell of standing.
TA, Timing Advance, Timing Advance.Timing Advance signals have delay in space propagation,
As terminal moves during calling to the direction away from base station, then the signal sent from base station will " more and more slower " to terminal,
At the same time, the signal of terminal also can " more and more slower " arrival base station.In the present embodiment, can be appropriate by any one
Mode obtain UE and the current service cell, the first neighboring station cell and the second neighboring station cell Timing Advance
TA values.
Step 106, according to the geography of the current service cell, the first neighboring station cell and the second neighboring station cell
Positional information, and, the UE determines with the current service cell, the first neighboring station cell and the second neighboring station cell
When lead TA values, determine the position of the UE.
In the present embodiment, due to the UE and the current service cell, the first neighboring station cell and described second
The timing advance TA value of neighboring station cell be it is known, therefore, can be according to the UE and the current service cell, described the
The timing advance TA value of one neighboring station cell and the second neighboring station cell determines the UE and the current service cell, described
The distance between first neighboring station cell and the second neighboring station cell.And due to the current service cell, first neighboring station
The geographical location information of cell and the second neighboring station cell be it is known, therefore, on the basis of above-mentioned condition, can by appoint
A kind of appropriate mathematical way of anticipating calculates the position for determining the UE.
In summary, the localization method of a kind of user equipment (UE) described in the present embodiment, working as the UE can first be determined
Preceding serving cell, and, the first neighboring station cell and second neighboring station cell adjacent with the current service cell；Then, respectively
Obtain the UE and the current service cell, the first neighboring station cell and the second neighboring station cell timing advance TA
Value；Finally, believed according to the geographical position of the current service cell, the first neighboring station cell and the second neighboring station cell
Breath, and, the UE and the timing advance of the current service cell, the first neighboring station cell and the second neighboring station cell
TA values are measured, determine the position of the UE.It can be seen that the method described in the present embodiment can be believed according to the geographical position of three base stations
Breath, and three TA values between base station and UE position to unknown UE, due to the geographical location information of three base stations
Known, and its geographical location information be it is extremely accurate, therefore, based on three base stations determine UE position standard
True property is high, meanwhile, positioning flow is also simplify, process is clear, and complexity is relatively low, it is easy to accomplish.In addition, the present embodiment institute
The method stated is low to the hardware requirement of serving cell, goes for most external field environment, has a wide range of application.
Embodiment two
Reference picture 2, show a kind of step flow chart of the localization method of user equipment (UE) in the embodiment of the present invention two.
In the present embodiment, the localization method of user equipment (UE) can with but be not limited only in BBU (Building Base band Unit, base
Tape handling unit) side realization, specifically, the localization method of the user equipment (UE) includes：
Step 202, the current service cell of the UE is determined, and, adjacent with the current service cell first is adjacent
Cell of standing and the second neighboring station cell.
In the present embodiment, the current service cell of the UE can be determined as follows, and, it is and described current
Serving cell adjacent the first neighboring station cell and the second neighboring station cell：
Sub-step 2022, determine the current service cell of the UE.
In the present embodiment, can with but be not limited only to determine the current service according to the UE base station information being currently accessed
Cell.
Sub-step 2024, A3 measurements are configured by the current service cell, obtain measurement result.
In the present embodiment, A3 measurements primarily can be used for the measurement with frequency switching.
Sub-step 2046, according to the measurement result, select with frequency, Reference Signal Received Power RSRP (Reference
Signal Receiving Power) two neighboring station cells of highest are respectively as the first neighboring station cell and described second adjacent
Stand cell.
In the present embodiment, due to that when only having the X2 mouths to be in connection status, could be positioned between standing；Therefore, it is described to work as
X2 mouths are in connection status between the station of preceding serving cell, the first neighboring station cell and the second neighboring station cell.
Step 204, the UE and the current service cell, the first neighboring station cell and second neighbour are obtained respectively
The timing advance TA value for cell of standing.
In the present embodiment, can with but be not limited only to be determined as follows TA values：
Sub-step 2042, it is that the UE distributes non-competing random access resource by the current service cell.
Wherein, non-competing random access resource can specifically include：Msg1-4 etc., for example, in the present embodiment, Ke Yixuan
Msg1 is selected to be calculated.
Sub-step 2044, the non-competing random access resource is respectively sent to the UE, the first neighboring station cell
With the second neighboring station cell.
Sub-step 2046, received according to the UE, the first neighboring station cell and the second neighboring station cell described non-
The time of random access resource is competed, determines the UE and the current service cell, the first neighboring station cell and institute respectively
State the timing advance TA value of the second neighboring station cell.
Step 206, according to the geography of the current service cell, the first neighboring station cell and the second neighboring station cell
Positional information, and, the UE determines with the current service cell, the first neighboring station cell and the second neighboring station cell
When lead TA values, determine the position of the UE.
In the present embodiment, can with but be not limited only to be determined as follows the position of the UE：
Sub-step 2062, according to the UE and current service cell, the first neighboring station cell and second neighbour
The timing advance TA value for cell of standing, the first distance between the UE and the current service cell, the UE are determined respectively
With the second distance between the first neighboring station cell, and, the 3rd distance between the UE and the second neighboring station cell.
In the present embodiment, can be according to the UE and the current service cell, the first neighboring station cell and described
The timing advance TA value of second neighboring station cell determines first distance, second distance successively with light velocity C product respectively
With the 3rd distance.
Sub-step 2064, according to first distance, second distance, the 3rd distance and, the current service cell,
The geographical location information of the first neighboring station cell and the second neighboring station cell, determine the position of the UE.
In the present embodiment, it is described according to first distance, second distance, the 3rd distance and, the current service
The geographical location information of cell, the first neighboring station cell and the second neighboring station cell, determines the position of the UE, specifically may be used
With including：According to the described first distance, the 3rd distance, the geographical location information of the current service cell and described second
The geographical location information of neighboring station cell, construct the first equation；According to the described first distance, the second distance, the current clothes
The geographical location information for cell of being engaged in and the geographical location information of the first neighboring station cell, construct second equation；By described first
The solution of equation and the second equation is defined as the position of the UE.
In summary, the localization method of a kind of user equipment (UE) described in the present embodiment, working as the UE can first be determined
Preceding serving cell, and, the first neighboring station cell and second neighboring station cell adjacent with the current service cell；Then, respectively
Obtain the UE and the current service cell, the first neighboring station cell and the second neighboring station cell timing advance TA
Value；Finally, believed according to the geographical position of the current service cell, the first neighboring station cell and the second neighboring station cell
Breath, and, the UE and the timing advance of the current service cell, the first neighboring station cell and the second neighboring station cell
TA values are measured, determine the position of the UE.It can be seen that the method described in the present embodiment can be believed according to the geographical position of three base stations
Breath, and three TA values between base station and UE position to unknown UE, due to the geographical location information of three base stations
Known, and its geographical location information be it is extremely accurate, therefore, based on three base stations determine UE position standard
True property is high, meanwhile, positioning flow is also simplify, process is clear, and complexity is relatively low, it is easy to accomplish.In addition, the present embodiment institute
The method stated is low to the hardware requirement of serving cell, goes for most external field environment, has a wide range of application.
Embodiment three
With reference to above-described embodiment.The present embodiment is carried out with a specific example to the localization method of the user equipment (UE)
Describe in detail.
Reference picture 3, show a kind of step flow chart of the localization method of user equipment (UE) in the embodiment of the present invention three.
In the present embodiment, the localization method of the user equipment (UE) includes：
Step 302, the current service cell of positioning UE, and regioselective cooperation cell.
In the present embodiment, A3 measurements can be configured by the current service cell, the current service cell receives UE
After Location Request, select to be used as positioning cooperation cell with two frequency, RSRP highests neighboring station cells in A3 measures reported result,
And whether X2 mouths are in connection status between measuring station, only X2 mouths could be positioned between being in the station of connection status.For example, can
To select the first neighboring station cell and the second neighboring station cell as the positioning cooperation cell, the first neighboring station cell and the second neighbour
The X2 mouths for cell of standing are in connection status.
Wherein, it is defined as below：The coordinate of current service cell is：(Xa, Ya)；The coordinate of first neighboring station cell is：
(Xb, Yb)；The coordinate of second neighboring station cell is：(Xc, Yc)；UE coordinate is (X, Y)；Wherein, Xa, Ya, Xb, Yb, Xc, Yc be
Know, X and Y are unknown.)
Step 304, it is that UE distributes non-competing random access resource (Msg1) by current service cell, and this resource is matched somebody with somebody
Confidence ceases the first neighboring station cell and the second neighboring station cell for issuing co-positioned.
Step 306, non-competing Stochastic accessing is received according to current service cell, the first neighboring station cell and the second neighboring station cell
The time of resource, determine TA values.
In the present embodiment, it is defined as below：Current service cell, the first neighboring station cell and the second neighboring station cell are each
Corresponding TA values are：TAa, TAb and TAc.
Step 308, determine that UE and current service cell, the first neighboring station cell and second are adjacent respectively according to TAa, TAb and TAc
Stand the distance between cell.
In the present embodiment, UE to the distance of current service cell be the first distance：Da=TAa*C/2, wherein, C is light
Speed；UE to the distance of the first neighboring station cell be second distance：Db=(TAb-TAa/2) * C；Distances of the UE to the second neighboring station cell
For the 3rd distance：Dc=(TAc-TAa/2) * C.
Step 310, according to first distance, second distance, the 3rd distance and, it is the current service cell, described
The geographical location information of first neighboring station cell and the second neighboring station cell, determine the position of the UE.
In the present embodiment, can according to described first distance, it is described 3rd distance, the current service cell geography
The geographical location information of positional information and the second neighboring station cell, construct the first equation：
According to the described first distance, the second distance, the geographical location information of the current service cell and described
The geographical location information of one neighboring station cell, construct second equation：
In the present embodiment, by solving above-mentioned first equation and the second equation, you can X and Y value are obtained,
That is, UE position is determined.
In summary, the localization method of a kind of user equipment (UE) described in the present embodiment, working as the UE can first be determined
Preceding serving cell, and, the first neighboring station cell and second neighboring station cell adjacent with the current service cell；Then, respectively
Obtain the UE and the current service cell, the first neighboring station cell and the second neighboring station cell timing advance TA
Value；Finally, believed according to the geographical position of the current service cell, the first neighboring station cell and the second neighboring station cell
Breath, and, the UE and the timing advance of the current service cell, the first neighboring station cell and the second neighboring station cell
TA values are measured, determine the position of the UE.It can be seen that the method described in the present embodiment can be believed according to the geographical position of three base stations
Breath, and three TA values between base station and UE position to unknown UE, due to the geographical location information of three base stations
Known, and its geographical location information be it is extremely accurate, therefore, based on three base stations determine UE position standard
True property is high, meanwhile, positioning flow is also simplify, process is clear, and complexity is relatively low, it is easy to accomplish.In addition, the present embodiment institute
The method stated is low to the hardware requirement of serving cell, goes for most external field environment, has a wide range of application.
It should be noted that for foregoing embodiment of the method, in order to be briefly described, therefore it is all expressed as a series of
Combination of actions, but those skilled in the art should know, the present invention is not limited by described sequence of movement, because according to
According to the present invention, some steps can use other orders or carry out simultaneously.Secondly, those skilled in the art should also know,
Embodiment described in this description belongs to preferred embodiment, and involved action is not necessarily essential to the invention.
Example IV
Based on the same inventive concept of above method embodiment, reference picture 4, show in the embodiment of the present invention four a kind of use
The structured flowchart of the alignment system of family equipment UE.In the present embodiment, the alignment system of the user equipment (UE) includes：
Determining module 402, for determining the current service cell of the UE, and, it is adjacent with the current service cell
The first neighboring station cell and the second neighboring station cell.
Acquisition module 404, for obtaining the UE and the current service cell, the first neighboring station cell and institute respectively
State the timing advance TA value of the second neighboring station cell.
Locating module 406, for small according to the current service cell, the first neighboring station cell and second neighboring station
The geographical location information in area, and, the UE and the current service cell, the first neighboring station cell and second neighboring station
The timing advance TA value of cell, determine the position of the UE.
In a preferred scheme of the present embodiment, reference picture 5, a kind of preferable user in the embodiment of the present invention four is shown
The structured flowchart of the alignment system of equipment UE.
Preferably, the determining module 402 can specifically include：Current service cell determination sub-module 4022, for true
Fixed UE current service cell；Submodule 4024 is measured, for configuring A3 measurements by the current service cell, is obtained
Measurement result；Neighboring station cell determination sub-module 4026, for according to the measurement result, selecting to receive work(with frequency, reference signal
Two neighboring station cells of rate RSRP highests are respectively as the first neighboring station cell and the second neighboring station cell；Wherein, it is described
X2 mouths are in connection status between the station of current service cell, the first neighboring station cell and the second neighboring station cell.
Preferably, the acquisition module 404 can specifically include：Distribution sub module 4042, for passing through the current clothes
Cell of being engaged in is that the UE distributes non-competing random access resource；Sending submodule 4044, for by the non-competing Stochastic accessing
Resource is respectively sent to the UE, the first neighboring station cell and the second neighboring station cell；TA values determination sub-module 4046, use
In receiving the non-competing random access resource according to the UE, the first neighboring station cell and the second neighboring station cell
Time, determining for the UE and the current service cell, the first neighboring station cell and the second neighboring station cell is determined respectively
When lead TA values.
Preferably, the locating module 406 can specifically include：Apart from determination sub-module 4062, for according to the UE
It is true respectively with the timing advance TA value of the current service cell, the first neighboring station cell and the second neighboring station cell
Fixed the first distance between the UE and the current service cell, between the UE and the first neighboring station cell second away from
From, and, the 3rd distance between the UE and the second neighboring station cell；Submodule 4064 is positioned, for according to described the
One distance, second distance, the 3rd distance and, the current service cell, the first neighboring station cell and second neighboring station
The geographical location information of cell, determine the position of the UE.
It is further preferred that the positioning submodule 4064, specifically can be used for according to the described first distance, the described 3rd
The geographical location information of distance, the geographical location information of the current service cell and the second neighboring station cell, construction first
Equation；And according to the described first distance, the second distance, the geographical location information of the current service cell and described
The geographical location information of first neighboring station cell, construct second equation；And the solution by first equation and the second equation
It is defined as the position of the UE.
In summary, the alignment system of a kind of user equipment (UE) described in the present embodiment, working as the UE can first be determined
Preceding serving cell, and, the first neighboring station cell and second neighboring station cell adjacent with the current service cell；Then, respectively
Obtain the UE and the current service cell, the first neighboring station cell and the second neighboring station cell timing advance TA
Value；Finally, believed according to the geographical position of the current service cell, the first neighboring station cell and the second neighboring station cell
Breath, and, the UE and the timing advance of the current service cell, the first neighboring station cell and the second neighboring station cell
TA values are measured, determine the position of the UE.It can be seen that the system described in the present embodiment can be believed according to the geographical position of three base stations
Breath, and three TA values between base station and UE position to unknown UE, due to the geographical location information of three base stations
Known, and its geographical location information be it is extremely accurate, therefore, based on three base stations determine UE position standard
True property is high, meanwhile, positioning flow is also simplify, process is clear, and complexity is relatively low, it is easy to accomplish.In addition, the present embodiment institute
The system stated is low to the hardware requirement of serving cell, goes for most external field environment, has a wide range of application.
For device embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, it is related
Part illustrates referring to the part of embodiment of the method.
Each embodiment in this specification is described by the way of progressive, what each embodiment stressed be with
The difference of other embodiment, between each embodiment identical similar part mutually referring to.
The localization method and system of a kind of user equipment (UE) provided by the present invention are described in detail above, herein
In apply specific case to the present invention principle and embodiment be set forth, the explanation of above example is only intended to help
Assistant solves the method and its core concept of the present invention；Meanwhile for those of ordinary skill in the art, the think of according to the present invention
Think, in specific embodiments and applications there will be changes, in summary, this specification content should not be construed as pair
The limitation of the present invention.
Claims (10)
- A kind of 1. localization method of user equipment (UE), it is characterised in that including：The current service cell of the UE is determined, and, the first neighboring station cell adjacent with the current service cell and second Neighboring station cell；The UE and the current service cell, the first neighboring station cell and the second neighboring station cell timing are obtained respectively Lead TA values；According to the geographical location information of the current service cell, the first neighboring station cell and the second neighboring station cell, with And the UE and the timing advance TA of the current service cell, the first neighboring station cell and the second neighboring station cell Value, determine the position of the UE.
- 2. according to the method for claim 1, it is characterised in that described to obtain the UE respectively and the current service is small The timing advance TA value in area, the first neighboring station cell and the second neighboring station cell, including：It is that the UE distributes non-competing random access resource by the current service cell；It is small that the non-competing random access resource is respectively sent to the UE, the first neighboring station cell and second neighboring station Area；The non-competing random access resource is received according to the UE, the first neighboring station cell and the second neighboring station cell Time, determine the UE and the current service cell, the first neighboring station cell and the second neighboring station cell respectively Timing advance TA value.
- 3. according to the method for claim 1, it is characterised in that it is described according to the current service cell, it is described first adjacent The geographical location information of cell of standing and the second neighboring station cell, and, the UE and the current service cell, described first The timing advance TA value of neighboring station cell and the second neighboring station cell, the position of the UE is determined, including：According to the UE and the timing advance of the current service cell, the first neighboring station cell and the second neighboring station cell TA values are measured, determine the first distance between the UE and the current service cell respectively, the UE and first neighboring station are small Second distance between area, and, the 3rd distance between the UE and the second neighboring station cell；According to first distance, second distance, the 3rd distance and, the current service cell, the first neighboring station cell With the geographical location information of the second neighboring station cell, the position of the UE is determined.
- 4. according to the method for claim 3, it is characterised in that it is described according to first distance, second distance, the 3rd away from From and, the geographical location information of the current service cell, the first neighboring station cell and the second neighboring station cell, really Fixed UE position, including：According to the described first distance, the 3rd distance, the geographical location information of the current service cell and second neighbour The geographical location information for cell of standing, construct the first equation；According to the described first distance, the second distance, the geographical location information of the current service cell and first neighbour The geographical location information for cell of standing, construct second equation；The solution of first equation and the second equation is defined as to the position of the UE.
- 5. according to the method described in claim any one of 1-4, it is characterised in that the current service of the determination UE is small Area, and, the first neighboring station cell and second neighboring station cell adjacent with the current service cell, including：Determine the current service cell of the UE；A3 measurements are configured by the current service cell, obtain measurement result；According to the measurement result, select with frequency, two neighboring station cells of Reference Signal Received Power RSRP highests respectively as The first neighboring station cell and the second neighboring station cell；Wherein, the current service cell, the first neighboring station cell and institute X2 mouths are in connection status between stating the station of the second neighboring station cell.
- A kind of 6. alignment system of user equipment (UE), it is characterised in that including：Determining module, for determining the current service cell of the UE, and, adjacent with the current service cell first is adjacent Cell of standing and the second neighboring station cell；Acquisition module, for obtaining the UE and the current service cell, the first neighboring station cell and described second respectively The timing advance TA value of neighboring station cell；Locating module, for the ground according to the current service cell, the first neighboring station cell and the second neighboring station cell Positional information is managed, and, the UE and the current service cell, the first neighboring station cell and the second neighboring station cell Timing advance TA value, determine the position of the UE.
- 7. system according to claim 6, it is characterised in that the acquisition module, including：Distribution sub module, for being that the UE distributes non-competing random access resource by the current service cell；Sending submodule, for the non-competing random access resource to be respectively sent into the UE, the first neighboring station cell With the second neighboring station cell；TA value determination sub-modules, for receiving institute according to the UE, the first neighboring station cell and the second neighboring station cell The time of non-competing random access resource is stated, determines the UE and the current service cell, the first neighboring station cell respectively With the timing advance TA value of the second neighboring station cell.
- 8. system according to claim 6, it is characterised in that the locating module, including：Apart from determination sub-module, for according to the UE and the current service cell, the first neighboring station cell and described the The timing advance TA value of two neighboring station cells, the first distance between the UE and the current service cell, institute are determined respectively The second distance between UE and the first neighboring station cell is stated, and, the between the UE and the second neighboring station cell the 3rd Distance；Position submodule, for according to first distance, second distance, the 3rd apart from and, the current service cell, The geographical location information of the first neighboring station cell and the second neighboring station cell, determine the position of the UE.
- 9. system according to claim 8, it is characterised in that the positioning submodule, for according to described first distance, The geographical location information of 3rd distance, the geographical location information of the current service cell and the second neighboring station cell, Construct the first equation；And believed according to the geographical position of the described first distance, the second distance, the current service cell The geographical location information of breath and the first neighboring station cell, construct second equation；And by first equation and described second Non trivial solution is defined as the position of the UE.
- 10. according to the system described in claim any one of 6-9, it is characterised in that the determining module, including：Current service cell determination sub-module, for determining the current service cell of the UE；Submodule is measured, for configuring A3 measurements by the current service cell, obtains measurement result；Neighboring station cell determination sub-module, for according to the measurement result, selecting with frequency, Reference Signal Received Power RSRP highests Two neighboring station cells respectively as the first neighboring station cell and the second neighboring station cell；Wherein, the current service is small X2 mouths are in connection status between the station in area, the first neighboring station cell and the second neighboring station cell.
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