CN105848202A - Correction processing method and device for AOAs (Angles of Arrival) and TAs (Time Advances) - Google Patents

Abstract

The invention discloses a correction processing method and device for AOAs (Angles of Arrival) and TAs (Time Advances). The method comprises the following steps: acquiring a first AOA and a first TA of first user equipment; acquiring geographic position information of a serving cell to which second user equipment belongs and geographic position information of the second user equipment; determining a second AOA and a second TA according to the geographic position information of the serving cell and the geographic position information of the second user equipment; determining an AOA corrected value of the first AOA and a TA corrected value of the first TA respectively according to the first AOA, the first TA, the second AOA and the second TA; and transmitting the AOA corrected value and the TA corrected value to a base station which corresponds to the serving cell. Through adoption of the method and the device, the problem of low accuracy of the TAs and the AOAs in an LTE (Long Term Evolution) wireless system in the prior art is solved; the effect of increasing the accuracy of the TAs and the AOAs is achieved; and accurate positioning of the user equipment is realized.

Description

The correction processing method of AOA and TA and device

Technical field

The present invention relates to the communications field, in particular to correction processing method and the device of AOA and TA.

Background technology

Along with the development of wireless network, mobile operator, in order to improve user data service perception, greatly develops Long Term Evolution (Long-Term Evolution, referred to as LTE) wireless network.In LTE wireless communication system, use several base stations Constitute wireless cellular network, be accurately positioned the position of user by wireless side measurement data, can be applicable to LTE wireless system rule Draw and optimize, it is provided that LTE user's perception, it is also possible to for public safety service (such as: emergency medical service, urgent location, urgent Alert service) etc..

, there is multiple localization method in the positioning function of wireless cellular system, wherein conventional localization method is cell unit positioning mode. The method location algorithm based on MPS process, uses known Serving cell geographical location information, antenna directional angle (Angle of Arrival, referred to as AOA) and Timing Advance (Time Advance, referred to as TA) estimate target UE (User Equipment, referred to as UE) position.Serving cell positional information is according to Base Station Identification (eNodeBID) and cell ID (CellID) inquiry engineering parameter information can obtain；AOA refers to that UE launches the signal ray with Node B as starting point from just The north, to the angle rotated counterclockwise, can be obtained by LTE base station smart antenna.TA is the Timing Advance that UE reports, root The accumulative adjusted value of tracking area coding (Tracking Area Code, referred to as TAC) reported according to base band can obtain, and unit is 16Ts.So with Serving cell as the center of circle, the circumference that distance is radius calculated according to TA and the friendship of the ray according to AOA Point is exactly the positional information of user, as shown in Figure 1.

But the most above-mentioned localization method also exists following deficiency: the precision of cell unit positioning mode depends primarily on intelligence The azimuth resolution precision of antenna, the Time resolution precision of TA and wireless propagation environment.At present due to Technology defect and The TA precision reported under complicated wireless transmission environments is 16TS, and scaled distance error is 78.24 meters, the side supported in agreement The best precision of parallactic angle is 1 degree.Therefore actual application cannot be obtained in engineering in LTE real network small area cell location method.

Therefore, the precision how improving TA and AOA in LTE wireless system is to need badly to solve the technical problem that.

For in correlation technique, the problem that in LTE wireless system, the degree of accuracy of TA and AOA is the highest, also do not propose effectively to solve Certainly scheme.

Summary of the invention

The invention provides antenna directional angle AOA and the correction processing method of Timing Advance TA and device, at least to solve phase The problem that in the technology of pass, in LTE wireless system, the degree of accuracy of TA and AOA is the highest.

According to an aspect of the invention, it is provided a kind of antenna directional angle AOA and the correction processing method of Timing Advance TA, Including: obtain an AOA and a TA of first user equipment；Obtain the geographical position of Serving cell belonging to the second subscriber equipment Confidence breath and the geographical location information of described second subscriber equipment, wherein, described first user equipment and described second user set For belonging to same Serving cell；Geographical location information according to described Serving cell and the geographical position of described second subscriber equipment Information determines the 2nd AOA and the 2nd TA；According to an a described AOA and described TA and described 2nd AOA and institute State the 2nd TA and determine AOA corrected value and the TA corrected value of a described TA of a described AOA respectively；By described AOA Corrected value and described TA corrected value are sent to and the base station corresponding to described Serving cell.

Further, according to an a described AOA and described TA and described 2nd AOA and described 2nd TA the most really The fixed AOA corrected value of a described AOA and the TA corrected value of a described TA include: determined described by below equation AOA corrected value and described TA corrected value: Wherein, △ AOAj is the correction that corrected value AOA, △ TAj is jth sky in jth sky Value TA, i are i-th measurement report message that described subscriber equipment sends to described base station, and AOAi is that i-th measurement report disappears An AOA value in breath, AOAi is the 2nd AOA value in i-th article of measurement report message, and TAi is i-th and measures report Accusing a TA value of message, TA is the 2nd TA value of i-th article of measurement report message.

Further, the described AOA and a described TA that obtain described first user equipment include: receive described base station A described AOA and TA measured.

Further, described second subscriber equipment is drive test subscriber equipment.

According to a further aspect in the invention, another kind of antenna directional angle AOA and the correction process of Timing Advance TA are additionally provided Method, including: obtain an AOA and a TA of first user equipment；According to corrected value AOA and corrected value TA respectively Being corrected an a described AOA and described TA, wherein, described corrected value AOA and described corrected value TA is by Two subscriber equipmenies are according to the geographical location information of Serving cell belonging to described second subscriber equipment and the ground of described second subscriber equipment Reason positional information obtains, and described first user equipment and described second subscriber equipment belong to same Serving cell.

According to a further aspect in the invention, the correction process dress of a kind of antenna directional angle AOA and Timing Advance TA is additionally provided Putting, described device includes: the first acquisition module, for obtaining an AOA and a TA of first user equipment；Second obtains Delivery block, for obtaining geographical location information and the geography of described second subscriber equipment of Serving cell belonging to the second subscriber equipment Positional information, wherein, described first user equipment and described second subscriber equipment belong to same Serving cell；According to described service The geographical location information of community and the geographical location information of described second subscriber equipment determine the 2nd AOA and the 2nd TA；Determine Module, for determining institute respectively according to an a described AOA and described TA and described 2nd AOA and described 2nd TA State AOA corrected value and the TA corrected value of a described TA of an AOA；Sending module, for correcting described AOA Value and described TA corrected value are sent to and the base station corresponding to described Serving cell.

Further, described determine that module is additionally operable to: determine described AOA corrected value and described TA corrected value by below equation:

$\begin{array}{cc}\mathrm{\Δ}{\mathrm{AOA}}_j=\frac{1}{n}\underset{i=1}{\overset{N}{\mathrm{\Σ}}}({\mathrm{AOA}}_i-{\mathrm{AOA}}_i^{\′})& \mathrm{\Δ}{\mathrm{TA}}_j=\frac{1}{n}\end{array},\underset{i=1}{\overset{N}{\mathrm{\Σ}}}{\mathrm{TA}}_i-\frac{1}{n}\underset{i=1}{\overset{N}{\mathrm{\Σ}}}{\mathrm{TA}}_i^{\′}$ Wherein, △ AOAj is jth sky Corrected value TA, i that corrected value AOA, △ TAj is jth sky be i-th measurement that described subscriber equipment sends to described base station Report message, AOAi is the AOA value in i-th article of measurement report message, and AOAi is in i-th measurement report message The 2nd AOA value, TAi is a TA value of i-th article of measurement report message, and TA is the of i-th article of measurement report message Two TA values.

Further, described first acquisition module is additionally operable to receive an a described AOA and TA of described base station measurement.

Further, described second subscriber equipment is drive test subscriber equipment.

According to another aspect of the present invention, additionally provide at the correction of another kind of antenna directional angle AOA and Timing Advance TA Reason device, described device is applied to base station, including: acquisition module, for obtaining an AOA and first of first user equipment TA；Correction module, for entering an a described AOA and described TA respectively according to corrected value AOA and corrected value TA Row correction, wherein, described corrected value AOA and described corrected value TA is according to described second subscriber equipment by the second subscriber equipment The affiliated geographical location information of Serving cell and the geographical location information of described second subscriber equipment obtain, described first user Equipment and described second subscriber equipment belong to same Serving cell.

By the present invention, use the AOA and a TA obtaining first user equipment；Obtain clothes belonging to the second subscriber equipment The geographical location information of business community and the geographical location information of the second subscriber equipment, wherein, first user equipment and the second user Equipment belongs to same Serving cell；Geographical location information and the geographical location information of the second subscriber equipment according to Serving cell are true Fixed 2nd AOA and the 2nd TA；First is determined respectively according to an an AOA and TA and the 2nd AOA and the 2nd TA The AOA corrected value of AOA and the TA corrected value of a TA；AOA corrected value and TA corrected value are sent to service little Base station corresponding to district.Solve the problem that in correlation technique, in LTE wireless system, the degree of accuracy of TA and AOA is the highest, and then Reach the effect of the degree of accuracy improving TA and AOA, it is achieved that subscriber equipment is accurately positioned.

Accompanying drawing explanation

Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, and the present invention shows Meaning property embodiment and explanation thereof are used for explaining the present invention, are not intended that inappropriate limitation of the present invention.In the accompanying drawings:

Fig. 1 is locating user devices position schematic diagram in correlation technique；

Fig. 2 is the flow chart of the correction processing method of antenna directional angle AOA according to embodiments of the present invention and Timing Advance TA；

Fig. 3 is the structural frames of the correction processing device of antenna directional angle AOA according to embodiments of the present invention and Timing Advance TA Figure；

Fig. 4 is the flow chart of the correction processing method of antenna directional angle AOA according to embodiments of the present invention and Timing Advance TA One；

Fig. 5 is the structural frames of the correction processing device of antenna directional angle AOA according to embodiments of the present invention and Timing Advance TA Figure one；

Fig. 6 is the improvement device schematic diagram of TA and AOA computational accuracy in LTE wireless system according to embodiments of the present invention；

Fig. 7 is that base station AOA/TA according to embodiments of the present invention revises subsystem structure schematic diagram.

Detailed description of the invention

Below with reference to accompanying drawing and describe the present invention in detail in conjunction with the embodiments.It should be noted that in the case of not conflicting, Embodiment in the application and the feature in embodiment can be mutually combined.

Providing a kind of antenna directional angle AOA and the correction processing method of Timing Advance TA in the present embodiment, Fig. 2 is root According to the flow chart of correction processing method of the antenna directional angle AOA and Timing Advance TA of the embodiment of the present invention, as in figure 2 it is shown, This flow process comprises the steps:

Step S202, obtains an AOA and a TA of first user equipment；

Step S204, obtains geographical location information and the geography of this second subscriber equipment of Serving cell belonging to the second subscriber equipment Positional information, wherein, first user equipment and the second subscriber equipment belong to same Serving cell；Geographical position according to Serving cell The geographical location information of confidence breath and the second subscriber equipment determines the 2nd AOA and the 2nd TA；

Step S206, determines an AOA's respectively according to an an AOA and TA and the 2nd AOA and the 2nd TA AOA corrected value and the TA corrected value of a TA；

Step S208, is sent to AOA corrected value and TA corrected value and the base station corresponding to this Serving cell.

By above-mentioned steps, according to the geographical location information of the Serving cell belonging to the second subscriber equipment and the second subscriber equipment Geographical location information determines the 2nd AOA and the 2nd TA, and determines AOA corrected value and TA corrected value, thus base station is permissible Respectively an AOA and a TA of first user equipment is corrected according to AOA corrected value and TA corrected value, compared to In prior art, subscriber equipment is positioned by AOA and TA that base station directly sends according to subscriber equipment, and this step solves The problem that in correlation technique, in LTE wireless system, the degree of accuracy of TA and AOA is the highest, and then reached raising TA and AOA The effect of degree of accuracy, it is achieved that subscriber equipment is accurately positioned.

Above-mentioned steps S206 relates to determine first respectively according to an an AOA and TA and the 2nd AOA and the 2nd TA The AOA corrected value of AOA and the TA corrected value of a TA, in one alternate embodiment, determine AOA by below equation Corrected value and TA corrected value: $\begin{array}{cc}\mathrm{\Δ}{\mathrm{AOA}}_j=\frac{1}{n}\underset{i=1}{\overset{N}{\mathrm{\Σ}}}({\mathrm{AOA}}_i-{\mathrm{AOA}}_i^{\′})& \mathrm{\Δ}{\mathrm{TA}}_j=\frac{1}{n}\end{array},\underset{i=1}{\overset{N}{\mathrm{\Σ}}}{\mathrm{TA}}_i-\frac{1}{n}\underset{i=1}{\overset{N}{\mathrm{\Σ}}}{\mathrm{TA}}_i^{\′}$ Wherein, △ AOAj be the corrected value TA, i that corrected value AOA, △ TAj is jth sky in jth sky be that this subscriber equipment sends to this base station I-th measurement report message, AOAi is the AOA value in i-th article of measurement report message, and AOAi is i-th survey The 2nd AOA value in amount report message, TAi is a TA value of i-th article of measurement report message, and TA is i-th measurement 2nd TA value of report message.The AOA corrected value after weighted average and TA corrected value is obtained by above-mentioned formula, it is ensured that AOA corrected value and TA corrected value accuracy.

Above-mentioned steps S202 relate to obtain first user equipment an AOA and a TA, in one alternate embodiment, Receive an AOA and a TA of base station measurement.

Alternatively, the second subscriber equipment is drive test subscriber equipment.

Additionally provide a kind of antenna directional angle AOA and the correction processing device of Timing Advance TA, this device in the present embodiment For realizing above-described embodiment and preferred implementation, carried out repeating no more of explanation.As used below, term " module " can realize the software of predetermined function and/or the combination of hardware.Although the device described by following example preferably with Software realizes, but hardware, or the realization of the combination of software and hardware also may and be contemplated.

Fig. 3 is the structural frames of the correction processing device of antenna directional angle AOA according to embodiments of the present invention and Timing Advance TA Figure, as it is shown on figure 3, this device includes: the first acquisition module 32, for obtaining an AOA and first of first user equipment TA；Second acquisition module 34, sets for the geographical location information and the second user obtaining Serving cell belonging to the second subscriber equipment Standby geographical location information, wherein, first user equipment and this second subscriber equipment belong to same Serving cell；Little according to service The geographical location information in district and the geographical location information of the second subscriber equipment determine the 2nd AOA and the 2nd TA；Determine module 36, For determining the AOA corrected value of an AOA respectively according to an an AOA and TA and the 2nd AOA and the 2nd TA TA corrected value with a TA；Sending module 38, for being sent to AOA corrected value and TA corrected value and Serving cell Corresponding base station.

Optionally it is determined that module 36 is additionally operable to: determine this AOA corrected value and this TA corrected value by below equation:

$\begin{array}{cc}\mathrm{\Δ}{\mathrm{AOA}}_j=\frac{1}{n}\underset{i=1}{\overset{N}{\mathrm{\Σ}}}({\mathrm{AOA}}_i-{\mathrm{AOA}}_i^{\′})& \mathrm{\Δ}{\mathrm{TA}}_j=\frac{1}{n}\end{array},\underset{i=1}{\overset{N}{\mathrm{\Σ}}}{\mathrm{TA}}_i-\frac{1}{n}\underset{i=1}{\overset{N}{\mathrm{\Σ}}}{\mathrm{TA}}_i^{\′}$ Wherein, △ AOAj is jth sky Corrected value TA, i that corrected value AOA, △ TAj is jth sky be i-th measurement report that this subscriber equipment sends to this base station Message, AOAi is the AOA value in i-th article of measurement report message, and AOAi is in i-th article of measurement report message Two AOA values, TAi is a TA value of i-th article of measurement report message, and TA is the 2nd TA of i-th article of measurement report message Value.

Alternatively, the first acquisition module 32 is additionally operable to receive an AOA and a TA of base station measurement.

Alternatively, the second subscriber equipment is drive test subscriber equipment.

In another embodiment, it is provided that another kind of antenna directional angle AOA and the correction processing method of Timing Advance TA, Fig. 4 is the flow chart one of the correction processing method of antenna directional angle AOA according to embodiments of the present invention and Timing Advance TA, As shown in Figure 4, this flow process comprises the steps:

Step S402, obtains an AOA and a TA of first user equipment；

Step S404, is corrected an an AOA and TA respectively according to corrected value AOA and corrected value TA, Wherein, this corrected value AOA and this corrected value TA by the second subscriber equipment according to Serving cell belonging to this second subscriber equipment The geographical location information of geographical location information and this second subscriber equipment obtains, and this first user equipment and this second user set For belonging to same Serving cell.

By above-mentioned steps, according to the geographical location information of the Serving cell belonging to the second subscriber equipment and the second subscriber equipment Geographical location information determines the 2nd AOA and the 2nd TA, and determines AOA corrected value and TA corrected value, thus base station is permissible Respectively an AOA and a TA of first user equipment is corrected according to AOA corrected value and TA corrected value, compared to In prior art, subscriber equipment is positioned by AOA and TA that base station directly sends according to subscriber equipment, and this step solves The problem that in correlation technique, in LTE wireless system, the degree of accuracy of TA and AOA is the highest, and then reached raising TA and AOA The effect of degree of accuracy, it is achieved that subscriber equipment is accurately positioned.

Fig. 5 is the structural frames of the correction processing device of antenna directional angle AOA according to embodiments of the present invention and Timing Advance TA Figure one, this device is applied to base station, as it is shown in figure 5, this device includes: acquisition module 52, is used for obtaining first user equipment An AOA and a TA；Correction module 54, is used for according to corrected value AOA and corrected value TA respectively to an AOA Being corrected with a TA, wherein, corrected value AOA and corrected value TA is according to the second subscriber equipment by the second subscriber equipment Belonging to the geographical location information of Serving cell and the geographical location information of the second subscriber equipment obtain, first user equipment and the Two subscriber equipmenies belong to same Serving cell.

It should be noted that above-mentioned modules can be by software or hardware realizes, for the latter, can by with Under type realizes, but is not limited to this: above-mentioned modules is respectively positioned in same processor；Or, above-mentioned modules position respectively In first processor, the second processor and the 3rd processor ... in.

For the problems referred to above present in correlation technique, illustrating below in conjunction with alternative embodiment, this alternative embodiment combines Above-mentioned alternative embodiment and optional embodiment thereof.

This alternative embodiment is directed to the improved method of TA and AOA computational accuracy in a kind of LTE wireless system, is used for improving The positioning function of wireless cellular system.

In LTE system, Serving cell passes through dedicated signaling wireless resource control connection reconfiguration (Radio Resource Control Connection Reconfiguration) message is to be in the subscriber equipment (User of wireless connections (RRC_CONNECTED) state Equipment, referred to as UE) sending measuring configuration, UE is measured according to the measurement configuration received, and is reported by measurement Accuse (Measurement Report, referred to as MR) information reporting measurement result.According to 36.331 agreement regulations, measure configuration main To be formed by measuring object, report configuration and measurement mark.Measure carrier frequency, main plot mark that object mainly includes measuring (Cell Global ID, referred to as CGI), and adjacent area physical district ID (Physical Cell ID of Neighbor Cell, referred to as Adjacent area PCI) list and signal intensity.

Drive test UE measures downstream wireless signals situation, on the one hand measurement content is reported by UU mouth passage with MR message format To Serving cell, on the other hand by MR message content and global positioning system (Global Position System, referred to as GPS) Locator value is saved in Log file.Serving cell receive UU message order after, add Serving cell out-hole run index (AOA, TA, uplink received power, number of users etc.), issue the soft extraction system of signaling, generate cycle signaling file.Relate in this process Calculating to multiple parameters.

Revision maker

Fig. 6 is the improvement device schematic diagram of TA and AOA computational accuracy in LTE wireless system according to embodiments of the present invention, as Shown in Fig. 6, drive test instrument carries out practical business test, and (file content form is to derive Log RRC signaling file <Time ', Lon ', Lat ', eNodeBID ', CellID ', RNTI_C ', Signaling ', SignalingData '>).Dispose signaling in wireless side simultaneously Soft extraction system, gathers the original signaling of RRC of base station side, it is assumed that with 5 minutes as granularity, generates periodic file (file content form For<Time, AOA, TA, eNodeBID, CellID, RNTI_C, NPCI, MRSignalingData), other measurement indexes>.This is optional The improvement device that embodiment is proposed passes through algorithm: (eNodeBID ', CellID ', RNTI_C ', Signaling ', Time ') ---> (eNodeBID, CellID, RNTI_C, MRSignalingData, Time) associate two number evidences, obtains result data (in result Hold for < UE latitude and longitude information that user GPS reports, AOA, TA value of base station measurement, Serving cell sign, adjacent area PCI List and Serving cell longitude and latitude >).By Serving cell longitude and latitude and user's latitude and longitude information, the theoretical accurate AOA ' of anti-release With TA ' value, to carry out the adjustment of AOA and TA.

First, according to Serving cell longitude and latitude (latitude α₁, longitude β₁) and UE longitude and latitude (latitude α₁, longitude β₁) calculate Go out the angle and distance of Serving cell and UE, it may be assumed that

A (latitude α₁, longitude β₁)+B (latitude α₂, longitude β₂)=> AOA ', TA '

By the drive test measurement record of a day, can obtain a group data set and close A < surveying record call number, Serving cell identifies, Adjacent area PCI list, measures the AOA that reports, measures TA, the anti-AOA ' that pushes away reported, and counter pushes away TA ' >, by with Serving cell mark Knowing, adjacent area PCI list is that major key carries out aminated polyepichlorohydrin, obtains a group data set conjunction B < Serving cell and identifies, adjacent area PCI list, Correction value delta AOA of the AOA in jth sky_j, correction value delta TA of jth sky TA_j>, then the correction value obtained in jth sky As follows:

$\begin{array}{cc}\mathrm{\&Delta;}{\mathrm{AOA}}_j=\frac{1}{n}\underset{i=1}{\overset{N}{\mathrm{\&Sigma;}}}({\mathrm{AOA}}_i-{\mathrm{AOA}}_i^{\&prime;})& \mathrm{\&Delta;}{\mathrm{TA}}_j=\frac{1}{n}\end{array},\underset{i=1}{\overset{N}{\mathrm{\&Sigma;}}}{\mathrm{TA}}_i-\frac{1}{n}\underset{i=1}{\overset{N}{\mathrm{\&Sigma;}}}{\mathrm{TA}}_i^{\&prime;}$ (i is some Serving cell mark I-th measurement of the specific adjacent area PCI list known).

Base station reviser

Fig. 7 is that base station AOA/TA according to embodiments of the present invention revises subsystem structure schematic diagram, as it is shown in fig. 7, iteration is divided Set B data is issued to side, wireless base station, each cell maintenance portion revision queries dictionary by analysis subsystem, stores this community AOA and TA revision value corresponding to PCI list.Follow-up, each measurement report that community reports extracts PCI list, AOA_i And TA_i.According to adjacent area PCI list, inquire about the revision dictionary of this community, to obtain Δ AOA and Δ TA, then by AOA_iSubtract Remove Δ AOA_j, TA_iDeduct Δ TA_j, obtain final revision value.

Above step carries out the cycle (suggestion is with sky as cycle) iteration by iterative algorithm, when error delta AOA_j, Δ TA_jLess than pre- If stopping iteration during thresholding.

ΔAOA_j＜ uAoAThd Δ TA_j＜ uTAThd

Wherein uAoAThd and uTAThd is the thresholding that iterative analysis subsystem is pre-seted by we, and this thresholding can be according to precisely Degree demand is adjusted.

Described AOA corrected value and described TA corrected value is determined by below equation:

$\begin{array}{cc}\mathrm{\&Delta;}{\mathrm{AOA}}_j=\frac{1}{n}\underset{i=1}{\overset{N}{\mathrm{\&Sigma;}}}({\mathrm{AOA}}_i-{\mathrm{AOA}}_i^{\&prime;})& \mathrm{\&Delta;}{\mathrm{TA}}_j=\frac{1}{n}\end{array},\underset{i=1}{\overset{N}{\mathrm{\&Sigma;}}}{\mathrm{TA}}_i-\frac{1}{n}\underset{i=1}{\overset{N}{\mathrm{\&Sigma;}}}{\mathrm{TA}}_i^{\&prime;}$

Revision device cycle every day starts, and drive test file and the soft data of adopting of base station side according to gathering are analyzed, and analysis are tied Fruit feeds back to each base station.

Step 1: drive test file is derived RRC Log file, if comprising only the MeasurementReport message of layer three more preferably, Its Log file format is as shown in the table, imports in the database table of correspondence, such as: Table LTE_UE_MR_LOG.

Table 1 Log file format sample

Time	Lon	Lat	eNodeBID	CellID	RNTI_C	Signaling	SignalingData
								10-239:30:55.9	117.2156	39.16862	3365043	3	123	MeasurementReport	0810B644048D36
10-239:31:00.1	117.2156	39.16862	3365043	1	6722	MeasurementReport	0810B234148D35025320
								10-239:33:12.1	117.2156	39.16862	3365043	2	22	MeasurementReport	08113430048D37
10-239:38:45.1	117.2156	39.16862	3365045	3	53	MeasurementReport	0810B308002539
								10-239:40:56.1	117.2156	39.16862	3365043	3	34245	MeasurementReport	081034080025B93C
10-239:41:59.1	117.2156	39.16862	3365043	3	3242	MeasurementReport	0810B03000B530
								10-239:45:36.1	117.2156	39.16862	3365044	3	234	MeasurementReport	0810AF381431310B52E0

Step 2: arrange the cycle data that soft extraction system collects, is organized into form as shown in table 2, and is imported to correspondence In database table, such as Table LTE_CELL_MR.

Table 2 soft extraction system cycle data sample

Time’	AOA	TA	eNodeBID	CellID	RNTI_C	Other measurement indexes of NPCI	MRSignalingData
								10-239:30:55.9	23	2	3365043	3	123	4,8,12 ...	0810B644048D36
10-239:31:00.1	67	3	3365043	1	6722	9…	0810B234148D
								10-239:33:12.1	9	9	3365043	2	22	22,2 ...	08113430048D37
10-239:38:45.1	78	6	3365045	3	53	32,56 ...	0810B308002539
								10-239:40:56.1	53	5	3365043	3	34245	4,5 ...	081034080025B93C
10-239:41:59.1	125	2	3365043	1	3242	9…	0810B234148D
								10-239:45:36.1	312	1	3365044	3	234	23,4,5,11 ...	0810AF381431310B52E0

Wherein, the NPCI in table 2 is first 3 of the strongest adjacent area counted according to adjacent area RSRP signal intensity, if the strongest Adjacent area number is unsatisfactory for 3, then be stuffed entirely with；By that analogy, other measurement indexes arrange in the same way.

Step 3: above-mentioned two table is associated, the following sample of concrete operations mode,

The result table that obtains of inquiry approximately as:

Table 3 query results example

Time	Lon	Lat	AOA	TA	eNodeBID	CellID	NPCI
								10-239:30:55.9	117.2156	39.16862	23	2	3365043	3	4,8,12
10-239:31:00.1	117.2156	39.16862	67	3	3365043	1	9
								10-239:33:12.1	117.2156	39.16862	9	9	3365043	2	22,2
10-239:38:45.1	117.2156	39.16862	78	6	3365045	3	32,56
								10-239:40:56.1	117.2156	39.16862	53	5	3365043	3	4,5
10-239:41:59.1	117.2156	39.16862	125	2	3365043	3	9
								10-239:45:36.1	117.2156	39.16862	312	1	3365044	3	23,4,5

Step 4: joining information according to work, traversal step 3 result, according to Serving cell longitude and latitude and user's latitude and longitude information (Lat, Lon) Anti-process AOA ', the TA ' information that pushes away is to table UE_2_CELL_MR.

Step 5:. polymerization UE_2_CELL_MR table data, obtain gathering B.

The result table that obtains of inquiry approximately as:

Table 4 query results example

eNodeBID	CellID	NPCI	MODIFY_AOA	MODIFY_TA
					3365043	3	4,8,12	25	2
3365043	1	9	70	2
					3365043	2	22,2	8	9
3365045	3	32,56	80	7
					3365043	3	4,5	50	5
3365043	3	9	129	2
					3365044	3	23,4,5	310	1

In sum, the invention provides the improved method of a kind of LTE AOA and TA and implement device, its feature is according to road Survey the period measurement message measuring the generation of message relating LTE base station side in Log data, revise with the GPS in drive test data AOA value in the period measurement message of base station and TA value.This device can divide for granularity with sky according to drive test and base station side data Analysis, calculates the revision parameter of AOA and TA of the PCI list scene of each community, thus instructs the follow-up AOA in community With TA generation value, final raising user's positioning precision.

In another embodiment, additionally providing a kind of software, this software is used for performing above-described embodiment and preferred implementation Described in technical scheme.

In another embodiment, additionally providing a kind of storage medium, in this storage medium, storage has above-mentioned software, this storage Medium includes but not limited to: CD, floppy disk, hard disk, scratch pad memory etc..

Obviously, those skilled in the art should be understood that each module of the above-mentioned present invention or each step can be with general calculating Device realizes, and they can concentrate on single calculating device, or is distributed on the network that multiple calculating device is formed, Alternatively, they can realize with calculating the executable program code of device, it is thus possible to be stored in storing device In perform by calculating device, and in some cases, can with the order being different from herein perform shown or described by step Suddenly, or they are fabricated to respectively each integrated circuit modules, or the multiple modules in them or step are fabricated to single Integrated circuit modules realizes.So, the present invention is not restricted to the combination of any specific hardware and software.

The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for those skilled in the art For, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any amendment of being made, etc. With replacement, improvement etc., should be included within the scope of the present invention.

Claims (10)

1. an antenna directional angle AOA and the correction processing method of Timing Advance TA, it is characterised in that including:

Obtain an AOA and a TA of first user equipment；

Obtain geographical location information and the ground of described second subscriber equipment of Serving cell belonging to the second subscriber equipment Reason positional information, wherein, described first user equipment and described second subscriber equipment belong to same Serving cell；Root Second is determined according to the geographical location information of described Serving cell and the geographical location information of described second subscriber equipment AOA and the 2nd TA；

Determine respectively according to an a described AOA and described TA and described 2nd AOA and described 2nd TA The AOA corrected value of a described AOA and the TA corrected value of a described TA；

Described AOA corrected value and described TA corrected value are sent to and the base station corresponding to described Serving cell.

Method the most according to claim 1, it is characterised in that according to an a described AOA and described TA and Described 2nd AOA and described 2nd TA determines the AOA corrected value of a described AOA and a described TA respectively TA corrected value include:

Described AOA corrected value and described TA corrected value is determined by below equation:

$\begin{array}{cc}{\mathrm{\&Delta;AOA}}_j=\frac{1}{n}\underset{i=1}{\overset{N}{\mathrm{\&Sigma;}}}({\mathrm{AOA}}_i-{{\mathrm{AOA}}_i}^{\&prime;})& {\mathrm{\&Delta;TA}}_j=\frac{1}{n}\underset{i=1}{\overset{N}{\mathrm{\&Sigma;}}}{\mathrm{TA}}_i-\frac{1}{n}\underset{i=1}{\overset{N}{\mathrm{\&Sigma;}}}{\mathrm{TA}}_i^{\&prime;}\end{array}$

Wherein, △ AOA_jCorrected value AOA, △ TA for jth sky_jCorrected value TA, i for jth sky are described use I-th measurement report message that family equipment sends to described base station, AOA_iIt is in i-th article of measurement report message One AOA value, AOA_iBeing the 2nd AOA value in i-th article of measurement report message, TAi is i-th measurement report Oneth TA value of message, TA is the 2nd TA value of i-th article of measurement report message.

Method the most according to claim 1, it is characterised in that obtain a described AOA of described first user equipment Include with a described TA: receive an a described AOA and TA of described base station measurement.

The most according to the method in any one of claims 1 to 3, it is characterised in that described second subscriber equipment is drive test Subscriber equipment.

5. an antenna directional angle AOA and the correction processing method of Timing Advance TA, it is characterised in that including:

Obtain an AOA and a TA of first user equipment；

Respectively an a described AOA and described TA is corrected according to corrected value AOA and corrected value TA, Wherein, described corrected value AOA and described corrected value TA is according to described second subscriber equipment by the second subscriber equipment The affiliated geographical location information of Serving cell and the geographical location information of described second subscriber equipment obtain, described First user equipment and described second subscriber equipment belong to same Serving cell.

6. an antenna directional angle AOA and the correction processing device of Timing Advance TA, it is characterised in that described device bag Include:

First acquisition module, for obtaining an AOA and a TA of first user equipment；

Second acquisition module, for obtaining the geographical location information of Serving cell belonging to the second subscriber equipment and described The geographical location information of the second subscriber equipment, wherein, described first user equipment and described second subscriber equipment belong to Same Serving cell；Geographical location information according to described Serving cell and the geographical position of described second subscriber equipment Confidence breath determines the 2nd AOA and the 2nd TA；

Determine module, for according to a described AOA and a described TA and described 2nd AOA and described the Two TA determine AOA corrected value and the TA corrected value of a described TA of a described AOA respectively；

Sending module, for being sent to described AOA corrected value and described TA corrected value and described Serving cell institute Corresponding base station.

Device the most according to claim 6, it is characterised in that described determine that module is additionally operable to:

Described AOA corrected value and described TA corrected value is determined by below equation:

$\begin{array}{cc}{\mathrm{\&Delta;AOA}}_j=\frac{1}{n}\underset{i=1}{\overset{N}{\mathrm{\&Sigma;}}}({\mathrm{AOA}}_i-{{\mathrm{AOA}}_i}^{\&prime;})& {\mathrm{\&Delta;TA}}_j=\frac{1}{n}\underset{i=1}{\overset{N}{\mathrm{\&Sigma;}}}{\mathrm{TA}}_i-\frac{1}{n}\underset{i=1}{\overset{N}{\mathrm{\&Sigma;}}}{\mathrm{TA}}_i^{\&prime;}\end{array}$

Wherein, △ AOA_jCorrected value AOA, △ TA for jth sky_jCorrected value TA, i for jth sky are described use I-th measurement report message that family equipment sends to described base station, AOA_iIt is in i-th article of measurement report message One AOA value, AOA_iBeing the 2nd AOA value in i-th article of measurement report message, TAi is i-th measurement report Oneth TA value of message, TA is the 2nd TA value of i-th article of measurement report message.

Device the most according to claim 6, it is characterised in that described first acquisition module is additionally operable to receive described base station A described AOA and TA measured.

9. according to the device according to any one of claim 6 to 8, it is characterised in that described second subscriber equipment is drive test Subscriber equipment.

10. antenna directional angle AOA and a correction processing device of Timing Advance TA, described device is applied to base station, its It is characterised by, including:

Acquisition module, for obtaining an AOA and a TA of first user equipment；

Correction module, is used for according to corrected value AOA and corrected value TA respectively to a described AOA and described first TA is corrected, and wherein, described corrected value AOA and described corrected value TA is according to described by the second subscriber equipment The geographical location information of Serving cell belonging to the second subscriber equipment and the geographical position letter of described second subscriber equipment Breath obtains, and described first user equipment and described second subscriber equipment belong to same Serving cell.