WO2016112689A1 - Angle of arrival and time advance correction processing method and device - Google Patents

Abstract

Disclosed are an angle of arrival (AOA) and time advance (TA) correction processing method and device, the method comprising: acquiring a first AOA and a first TA of a first user equipment (UE); acquiring geographic location information of a serving cell of a second UE and geographic location information of the second UE; determining a second AOA and a second TA according to the geographic location information of the serving cell and the geographic location information of the second UE; determining an AOA correction value of the first AOA and a TA correction value of the first TA respectively according to the first AOA and the first TA, and the second AOA and the second TA; and transmitting the AOA correction value and the TA correction value to a base station corresponding to the serving cell. The present invention addresses a problem in the related art of low accuracy of TA and AOA in an LTE wireless system, and further improves the accuracy of the TA and the AOA, thus achieving accurate positioning of a UE.

Description

AOA and TA correction processing method and device Technical field

The present invention relates to the field of communications, and in particular to a method and apparatus for correcting AOA and TA.

Background technique

With the development of wireless networks, mobile operators have been developing Long-Term Evolution (LTE) wireless networks in order to improve user data service awareness. In the LTE wireless communication system, a plurality of base stations are used to form a wireless cellular network, and the wireless side measurement data is used to accurately locate the user's location, which can be applied to LTE wireless system planning and optimization, providing LTE user perception, and can also be used for public security services. (such as: emergency medical, emergency positioning, emergency alarm service).

There are various positioning methods for the positioning function of the wireless cellular system, and the commonly used positioning method is the cell unit positioning method. The method is based on a cell coverage locating algorithm, and uses a known serving cell geographical location information, an antenna of an angular direction (AOA), and a Time Advance (TA) to estimate a target user equipment (User). Equipment, referred to as UE). The serving cell location information may be obtained by querying the engineering parameter information according to the base station identifier (eNodeBID) and the cell identifier (CellID); the AOA refers to the angle at which the TD of the UE transmits the signal from the northbound direction counterclockwise from the northbound direction, and the LTE base station is intelligent. The antenna is available. The TA is the timing advance reported by the UE, and can be obtained according to the cumulative adjustment value of the Tracking Area Code (TAC) reported by the baseband, and the unit is 16Ts. Thus, the center of the serving cell is taken as the center of the circle calculated by the TA and the intersection of the ray according to the AOA is the position information of the user, as shown in FIG.

However, in the practical application, the above positioning method has the following disadvantages: the accuracy of the cell unit positioning method mainly depends on the azimuth resolution precision of the smart antenna, the time resolution precision of the TA, and the wireless propagation environment. At present, due to process defects and the accuracy of the reported TA in the complex wireless transmission environment is 16TS, the equivalent distance error is 78.24 meters, and the azimuth angle supported by the protocol is preferably 1 degree. Therefore, the cell location method in the LTE actual network cannot be practically applied in engineering.

Therefore, how to improve the accuracy of TA and AOA in LTE wireless systems is an urgent technical problem to be solved.

In view of the related art, the accuracy of TA and AOA in the LTE wireless system is not high, and an effective solution has not been proposed.

Summary of the invention

The present invention provides a correction processing method and apparatus for antenna direction angle AOA and timing advance TA to at least solve the problem that the accuracy of TA and AOA in the LTE wireless system in the related art is not high.

According to an aspect of the present invention, there is provided a method of correcting an antenna direction angle AOA and a timing advance TA, The method includes: acquiring a first AOA and a first TA of the first user equipment; acquiring geographic location information of the serving cell to which the second user equipment belongs, and geographic location information of the second user equipment, where the first user equipment and the The second user equipment belongs to the same serving cell; the second AOA and the second TA are determined according to the geographical location information of the serving cell and the geographical location information of the second user equipment; according to the first AOA and the first And the second AOA and the second TA respectively determine an AOA correction value of the first AOA and a TA correction value of the first TA; and send the AOA correction value and the TA correction value to a base station corresponding to the serving cell.

Optionally, determining, according to the first AOA and the first TA, the second AOA and the second TA, an AOA correction value of the first AOA and a TA correction value of the first TA, respectively. : determining the AOA correction value and the TA correction value by the following formula:

Where ΔAOAj is the correction value AOA of the jth day, ΔTAj is the correction value TA of the jth day, i is the ith measurement report message sent by the user equipment to the base station, and AOAi is the ith measurement report The first AOA value in the message, AOAiˊ is the second AOA value in the i-th measurement report message, TAi is the first TA value of the i-th measurement report message, and TAˊ is the second TA value of the i-th measurement report message .

Optionally, the acquiring the first AOA and the first TA of the first user equipment includes: receiving the first AOA and the first TA measured by the base station.

Optionally, the second user equipment is a road test user equipment.

According to another aspect of the present invention, there is also provided a correction processing method of another antenna direction angle AOA and a timing advance TA, comprising: acquiring a first AOA and a first TA of the first user equipment; and correcting according to the correction value AOA The value TA is corrected for the first AOA and the first TA, respectively, wherein the correction value AOA and the correction value TA are determined by the second user equipment according to the geographic location of the serving cell to which the second user equipment belongs And the information about the geographic location of the second user equipment, where the first user equipment and the second user equipment belong to the same serving cell.

According to another aspect of the present invention, there is also provided a correction processing apparatus for an antenna direction angle AOA and a timing advance TA, the apparatus comprising: a first acquisition module configured to acquire a first AOA and a first user equipment a second acquiring module, configured to acquire geographic location information of a serving cell to which the second user equipment belongs and geographic location information of the second user equipment, where the first user equipment and the second user equipment belong to Determining, by the same serving cell, the second AOA and the second TA according to the geographical location information of the serving cell and the geographical location information of the second user equipment; and determining, according to the first AOA and the first TA And the second AOA and the second TA respectively determine an AOA correction value of the first AOA and a TA correction value of the first TA; and a sending module configured to correct the AOA correction value and the TA The value is sent to the base station corresponding to the serving cell.

Optionally, the determining module is further configured to: determine the AOA correction value and the TA correction value by using the following formula:

Where ΔAOAj is the correction value AOA of the jth day, ΔTAj is the correction value TA of the jth day, i is the ith measurement report message sent by the user equipment to the base station, and AOAi is the ith measurement report The first AOA value in the message, AOAiˊ is the second AOA value in the i-th measurement report message, TAi is the first TA value of the i-th measurement report message, and TAˊ is the second TA value of the i-th measurement report message .

Optionally, the first acquiring module is further configured to receive the first AOA and the first TA measured by the base station.

Optionally, the second user equipment is a road test user equipment.

According to another aspect of the present invention, there is also provided another correction processing apparatus for an antenna direction angle AOA and a timing advance TA, the apparatus being applied to a base station, comprising: an obtaining module, configured to acquire a first of the first user equipment AOA and a first TA; a correction module configured to correct the first AOA and the first TA according to the correction value AOA and the correction value TA, respectively, wherein the correction value AOA and the correction value TA are The second user equipment is obtained according to the geographic location information of the serving cell to which the second user equipment belongs and the geographical location information of the second user equipment, where the first user equipment and the second user equipment belong to the same serving cell.

According to the present invention, the first AOA and the first TA of the first user equipment are acquired; the geographical location information of the serving cell to which the second user equipment belongs and the geographical location information of the second user equipment are acquired, wherein the first user equipment and the second The user equipment belongs to the same serving cell; the second AOA and the second TA are determined according to the geographical location information of the serving cell and the geographical location information of the second user equipment; and are determined according to the first AOA and the first TA, and the second AOA and the second TA respectively The AOA correction value of the first AOA and the TA correction value of the first TA; the AOA correction value and the TA correction value are transmitted to the base station corresponding to the serving cell. The problem that the accuracy of the TA and the AOA in the LTE wireless system in the related art is not high is solved, thereby achieving the effect of improving the accuracy of the TA and the AOA, and achieving accurate positioning of the user equipment.

DRAWINGS

The drawings described herein are intended to provide a further understanding of the invention, and are intended to be a part of the invention. In the drawing:

1 is a schematic diagram of a location of a user equipment in a related art;

2 is a flowchart of a method of correcting an antenna direction angle AOA and a timing advance TA according to an embodiment of the present invention;

3 is a block diagram showing the structure of a correction processing apparatus for an antenna direction angle AOA and a timing advance TA according to an embodiment of the present invention;

4 is a flow chart 1 of a method for correcting an antenna direction angle AOA and a timing advance TA according to an embodiment of the present invention;

5 is a structural block diagram 1 of a correction processing apparatus for an antenna direction angle AOA and a timing advance TA according to an embodiment of the present invention;

6 is a schematic diagram of an apparatus for improving the accuracy of TA and AOA calculation in an LTE wireless system according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a base station AOA/TA revision subsystem according to an embodiment of the present invention.

detailed description

The invention will be described in detail below with reference to the drawings in conjunction with the embodiments. It should be noted that the embodiments in the present application and the features in the embodiments may be combined with each other without conflict.

In the present embodiment, a method for correcting the antenna direction angle AOA and the timing advance TA is provided. FIG. 2 is a flowchart of a method for correcting the antenna direction angle AOA and the timing advance TA according to an embodiment of the present invention, such as As shown in Figure 2, the process includes the following steps:

Step S202, acquiring a first AOA and a first TA of the first user equipment;

Step S204, the geographic location information of the serving cell to which the second user equipment belongs and the geographic location information of the second user equipment are obtained, where the first user equipment and the second user equipment belong to the same serving cell; The geographical location information of the second user equipment determines the second AOA and the second TA;

Step S206, determining an AOA correction value of the first AOA and a TA correction value of the first TA according to the first AOA and the first TA and the second AOA and the second TA, respectively;

Step S208, the AOA correction value and the TA correction value are sent to the base station corresponding to the serving cell.

Through the above steps, determining the second AOA and the second TA according to the geographical location information of the serving cell to which the second user equipment belongs and the geographical location information of the second user equipment, and determining the AOA correction value and the TA correction value, so that the base station can according to the AOA The correction value and the TA correction value respectively correct the first AOA and the first TA of the first user equipment. Compared with the related art, the base station directly locates the user equipment according to the AOA and the TA sent by the user equipment, and the step is solved. In the related art, the accuracy of the TA and the AOA in the LTE wireless system is not high, thereby achieving the effect of improving the accuracy of the TA and the AOA, and achieving accurate positioning of the user equipment.

The above step S206 relates to determining the AOA correction value of the first AOA and the TA correction value of the first TA according to the first AOA and the first TA and the second AOA and the second TA, respectively. In an optional embodiment, the following formula is adopted. Determine the AOA correction value and the TA correction value:

Where ΔAOAj is the correction value AOA of the jth day, ΔTAj is the correction value TA of the jth day, i is the ith measurement report message sent by the user equipment to the base station, and AOAi is the ith measurement report message The first AOA value, AOAiˊ is the second AOA value in the ith measurement report message, TAi is the first TA value of the ith measurement report message, and TAˊ is the second TA value of the ith measurement report message. The weighted averaged AOA correction value and the TA correction value are obtained by the above formula, and the AOA correction value and the TA correction value accuracy are ensured.

The foregoing step S202 involves acquiring the first AOA and the first TA of the first user equipment. In an optional embodiment, the first AOA and the first TA measured by the base station are received.

Optionally, the second user equipment is a road test user equipment.

In the embodiment, a correction processing device for the antenna direction angle AOA and the timing advance TA is provided. The device is used to implement the above-described embodiments and preferred embodiments, and the description thereof has been omitted. As used below, the term "module" may implement a combination of software and/or hardware of a predetermined function. Although the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.

3 is a structural block diagram of a correction processing apparatus for an antenna direction angle AOA and a timing advance TA according to an embodiment of the present invention. As shown in FIG. 3, the apparatus includes: a first obtaining module 32 configured to acquire a first user equipment. a first AOA and a first TA; the second acquiring module 34 is configured to acquire geographic location information of the serving cell to which the second user equipment belongs and geographic location information of the second user equipment, where the first user equipment and the second user equipment Having the same serving cell; determining the second AOA and the second TA according to the geographic location information of the serving cell and the geographic location information of the second user equipment; the determining module 36 is configured to be based on the first AOA and the first TA and the second AOA and the first The second TA determines the AOA correction value of the first AOA and the TA correction value of the first TA, respectively; the sending module 38 is configured to send the AOA correction value and the TA correction value to the base station corresponding to the serving cell.

Optionally, the determining module 36 is further configured to: determine the AOA correction value and the TA correction value by the following formula:

Where ΔAOAj is the correction value AOA of the jth day, ΔTAj is the correction value TA of the jth day, i is the ith measurement report message sent by the user equipment to the base station, and AOAi is the ith measurement report message The first AOA value, AOAiˊ is the second AOA value in the ith measurement report message, TAi is the first TA value of the ith measurement report message, and TAˊ is the second TA value of the ith measurement report message.

Optionally, the first obtaining module 32 is further configured to receive the first AOA and the first TA measured by the base station.

Optionally, the second user equipment is a road test user equipment.

In another embodiment, another method of correcting the antenna direction angle AOA and the timing advance TA is provided, and FIG. 4 is a flowchart of a method for correcting the antenna direction angle AOA and the timing advance TA according to an embodiment of the present invention. Figure 1, as shown in Figure 4, the process includes the following steps:

Step S402, acquiring a first AOA and a first TA of the first user equipment;

Step S404, correcting the first AOA and the first TA according to the correction value AOA and the correction value TA, respectively. The correction value AOA and the correction value TA are obtained by the second user equipment according to the geographical location information of the serving cell to which the second user equipment belongs and the geographical location information of the second user equipment, the first user equipment and the The second user equipment belongs to the same serving cell.

Through the above steps, determining the second AOA and the second TA according to the geographical location information of the serving cell to which the second user equipment belongs and the geographical location information of the second user equipment, and determining the AOA correction value and the TA correction value, so that the base station can according to the AOA The correction value and the TA correction value respectively correct the first AOA and the first TA of the first user equipment. Compared with the related art, the base station directly locates the user equipment according to the AOA and the TA sent by the user equipment, and the step is solved. In the related art, the accuracy of the TA and the AOA in the LTE wireless system is not high, thereby achieving the effect of improving the accuracy of the TA and the AOA, and achieving accurate positioning of the user equipment.

5 is a block diagram 1 of a structure of a correction processing apparatus for an antenna direction angle AOA and a timing advance TA according to an embodiment of the present invention. The apparatus is applied to a base station. As shown in FIG. 5, the apparatus includes: an acquisition module 52 configured to acquire a first AOA and a first TA of the first user equipment; the correction module 54 is configured to correct the first AOA and the first TA according to the correction value AOA and the correction value TA, respectively, wherein the correction value AOA and the correction value TA are The second user equipment is obtained according to the geographic location information of the serving cell to which the second user equipment belongs and the geographical location information of the second user equipment, where the first user equipment and the second user equipment belong to the same serving cell.

It should be noted that each of the above modules may be implemented by software or hardware. For the latter, the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the above modules are respectively located. In the first processor, the second processor, and the third processor.

For the above problems in the related art, the following description will be made in conjunction with an alternative embodiment, which in combination with the above-described alternative embodiments and alternative embodiments thereof.

The present optional embodiment aims to propose an improved method for calculating the accuracy of TA and AOA in an LTE wireless system for improving the positioning function of the wireless cellular system.

In the LTE system, the serving cell sends a measurement configuration to the user equipment (User Equipment, UE for short) in the RRC_CONNECTED state by using a dedicated Radio Resource Control Connection Reconfiguration (UE) message. The measurement is performed according to the received measurement configuration, and the measurement result is reported through a Measurement Report (MR) message. According to the provisions of the 36.331 protocol, the measurement configuration consists mainly of measurement objects, report configurations, and measurement indicators. The measurement object mainly includes the measured carrier frequency, the Cell Global ID (CGI), the Physical Cell ID of Neighbor Cell (referred to as the neighbor PCI) list, and the signal strength.

The road test UE measures the downlink wireless signal. On the one hand, the measurement content is reported to the serving cell through the UU port channel in the MR message format, and the MR message content and the Global Position System (GPS) positioning value are saved on the other hand. Go to the log file. After receiving the UU interface signaling, the serving cell adds the uplink measurement indicator (AOA, TA, uplink receiving power, number of users, etc.) of the serving cell to the signaling soft mining system to generate a periodic signaling file. The calculation of multiple parameters is involved in this process.

Revision generator

6 is a schematic diagram of an apparatus for improving the accuracy of TA and AOA calculation in an LTE wireless system according to an embodiment of the present invention. As shown in FIG. 6, the road test tool performs an actual service test, and derives a Log RRC signaling file (the file content format is <Time). ', Lon', Lat', eNodeBID', CellID', RNTI_C', Signaling', Signaling Data'>). At the same time, the signaling soft mining system is deployed on the radio side, and the RRC original signaling on the base station side is collected. It is assumed that the periodic file is generated in a granularity of 5 minutes (the file content format is <Time, AOA, TA, eNodeBID, CellID, RNTI_C, NPCI, MRSignalingData), other measurement indicators>. The improved apparatus proposed in this alternative embodiment associates two data by an algorithm: (eNodeBID', CellID', RNTI_C', Signaling', Time')---> (eNodeBID, CellID, RNTI_C, MRSignalingData, Time) Result data (the result content is <UE latitude and longitude information reported by the user GPS, AOA measured by the base station, TA value, serving cell indication, neighboring cell PCI list, and serving cell latitude and longitude>). Through the service cell latitude and longitude and user latitude and longitude information, the theoretically accurate AOA' and TA' values are deduced to adjust the AOA and TA.

First, the angle and distance between the serving cell and the UE are calculated according to the latitude and longitude of the serving cell (latitude α ₁ , longitude β ₁ ) and the latitude and longitude of the UE (latitude α ₁ , longitude β ₁ ), namely:

A (latitude α ₁ , longitude β ₁ ) + B (latitude α ₂ , longitude β ₂ ) =>AOA',TA'

Through one-day drive measurement records, you can get a set of data sets A<measurement record index number, service cell identifier, neighboring area PCI list, measure reported AOA, measure reported TA, reverse push AOA', and reverse push TA'>, by using the serving cell identity, the neighboring cell PCI list as the primary key to perform the aggregation operation, and obtain a set of data sets B<serving cell identifier, neighboring cell PCI list, the corrected value of the AOA of the jth day △AOA _j , the jth day TA The corrected value ΔTA _j >, then the corrected value obtained on the jth day is calculated as follows:

(i is the ith measurement of the specific neighbor PCI list for a certain serving cell identity).

Base station fixer

7 is a schematic structural diagram of a base station AOA/TA revision subsystem according to an embodiment of the present invention. As shown in FIG. 7, an iterative analysis subsystem sends aggregate B data to a radio base station side, and each cell maintains a revised query dictionary. The AOA and TA revision values corresponding to the PCI list of this cell are stored. Subsequently, the PCI list, AOA _i, and TA _i are extracted from each measurement report reported by the cell. According to the neighboring PCI list, the revised dictionary of the cell is queried to obtain ΔAOA and ΔTA, then AOAO _{i is} subtracted from ΔAOA _j , TA _i minus ΔTA _j to obtain the final revised value.

The above steps are iteratively performed by an iterative algorithm (recommended in days), and the iteration is stopped when the errors ΔAOA _j , ΔTA _{j are} less than the preset threshold.

△AOA _j <uAoAThd △TA _j <uTAThd

uAoAThd and uTAThd are the thresholds we set for the iterative analysis subsystem. This threshold can be adjusted according to the accuracy requirements.

The AOA correction value and the TA correction value are determined by the following formula:

The revision device is started every day, and the analysis is performed according to the collected road test file and the soft data of the base station side, and the analysis result is fed back to each base station.

Step 1: Export the drive test file to the RRC Log file. If the MeasurementReport message containing only Layer 3 is better, the Log file format is as shown in the following table and imported into the corresponding database table, for example: Table LTE_UE_MR_LOG.

Table 1 Sample Log File Format

Time	Lon	Lat	eNodeBID	CellID	RNTI_C	Signaling	SignalingData
								10-23 9:30:55.9	117.2156	39.16862	3365043	3	123	MeasurementReport	0810B644048D36
10-23 9:31:00.1	117.2156	39.16862	3365043	1	6722	MeasurementReport	0810B234148D35025320
								10-23 9:33:12.1	117.2156	39.16862	3365043	2	twenty two	MeasurementReport	08113430048D37
10-23 9:38:45.1	117.2156	39.16862	3365045	3	53	MeasurementReport	0810B308002539
								10-23 9:40:56.1	117.2156	39.16862	3365043	3	34245	MeasurementReport	081034080025B93C
10-23 9:41:59.1	117.2156	39.16862	3365043	3	3242	MeasurementReport	0810B03000B530
								10-23 9:45:36.1	117.2156	39.16862	3365044	3	234	MeasurementReport	0810AF381431310B52E0

Step 2: Organize the cycle data collected by the soft mining system, organize it into the format shown in Table 2, and import it into the corresponding database table, such as Table LTE_CELL_MR.

Table 2 Sample of soft mining system cycle data

The NPCI in Table 2 is the first three of the strongest neighbors counted according to the neighboring RSRP signal strength. If the number of the strongest neighbors does not satisfy three, all are filled; and so on, other measurement indicators are the same. Way to organize.

Step 3: Associate the above two tables. The specific operation mode is as follows.

The result table obtained by the query is roughly as follows:

Table 3 query result set example

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

Step 4: According to the work parameter information, traverse the result of step 3, and inversely process the AOA', TA' information to the table UE_2_CELL_MR according to the latitude and longitude of the serving cell and the user latitude and longitude information (Lat, Lon).

Step 5: Aggregate the UE_2_CELL_MR table data to obtain the set B.

The result table obtained by the query is roughly as follows:

Table 4 Example of query result set

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 summary, the present invention provides an improved method and an implementation apparatus for LTE AOA and TA, which are characterized in that a periodic measurement message generated by an LTE base station side is associated with a measurement message in a drive test log data, and is used in the drive test data. The GPS revise the AOA value and the TA value in the base station period measurement message. The device can analyze the AOA and TA revision parameters of the PCI list scenario of each cell according to the road test and the base station side data, and thereby guide the subsequent AOA and TA generation values of the cell, and finally improve the user positioning accuracy. .

In another embodiment, software is also provided for performing the technical solutions described in the above embodiments and preferred embodiments.

In another embodiment, a storage medium is further provided, wherein the software includes the above-mentioned software, including but not limited to: an optical disk, a floppy disk, a hard disk, an erasable memory, and the like.

It will be apparent to those skilled in the art that the various modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein. The steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module. Thus, the invention is not limited to any specific combination of hardware and software.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Industrial applicability

The present invention relates to the field of communications, and provides a method and an apparatus for correcting AOA and TA, wherein the method includes: acquiring a first AOA and a first TA of a first user equipment; and acquiring a geographic area of a serving cell to which the second user equipment belongs The location information and the geographical location information of the second user equipment; determining the second AOA and the second TA according to the geographical location information of the serving cell and the geographical location information of the second user equipment; and according to the first AOA and the first TA and the second AOA The second TA determines the AOA correction value of the first AOA and the TA correction value of the first TA, respectively; sends the AOA correction value and the TA correction value It is sent to the base station corresponding to the serving cell. The invention solves the problem that the accuracy of the TA and the AOA in the LTE wireless system in the related art is not high, thereby achieving the effect of improving the accuracy of the TA and the AOA, and realizing accurate positioning of the user equipment.

Claims (10)

1. A method for correcting an antenna direction angle AOA and a timing advance TA, comprising:

   Obtaining a first AOA and a first TA of the first user equipment;

   Acquiring the geographic location information of the serving cell to which the second user equipment belongs and the geographical location information of the second user equipment, where the first user equipment and the second user equipment belong to the same serving cell; according to the serving cell The geographical location information and the geographical location information of the second user equipment determine the second AOA and the second TA;

   Determining an AOA correction value of the first AOA and a TA correction value of the first TA according to the first AOA and the first TA and the second AOA and the second TA, respectively;

   And transmitting the AOA correction value and the TA correction value to a base station corresponding to the serving cell.
2. The method of claim 1, wherein the AOA correction value and the first AOA are determined according to the first AOA and the first TA and the second AOA and the second TA, respectively The TA correction value of a TA includes:

   The AOA correction value and the TA correction value are determined by the following formula:

   

   Wherein, △ AOA _j is the j-th day correction AOA, △ TA _j is the j-th day correction values TA, i is the i-th user equipment sends a measurement report message to the base station, AOA _i is the i The first AOA value in the measurement report message, AOA _i ˊ is the second AOA value in the ith measurement report message, TAi is the first TA value of the ith measurement report message, and TA ˊ is the ith measurement report message The second TA value.
3. The method of claim 1, wherein the acquiring the first AOA and the first TA of the first user equipment comprises: receiving the first AOA and the first TA measured by the base station.
4. The method of any of claims 1 to 3, wherein the second user equipment is a drive test user equipment.
5. A method for correcting an antenna direction angle AOA and a timing advance TA, comprising:

   Obtaining a first AOA and a first TA of the first user equipment;

   Correcting the first AOA and the first TA according to the correction value AOA and the correction value TA, respectively, wherein the correction value AOA and the correction value TA are determined by the second user equipment according to the second user equipment The first user equipment and the second user equipment belong to the same serving cell, which are obtained by the geographic location information of the serving cell and the geographical location information of the second user equipment.
6. A correction processing device for an antenna direction angle AOA and a timing advance TA, the device comprising:

   a first acquiring module, configured to acquire a first AOA and a first TA of the first user equipment;

   a second acquiring module, configured to acquire geographic location information of a serving cell to which the second user equipment belongs, and geographic location information of the second user equipment, where the first user equipment and the second user equipment belong to the same service Determining a second AOA and a second TA according to the geographical location information of the serving cell and the geographical location information of the second user equipment;

   a determining module, configured to determine an AOA correction value of the first AOA and a TA correction value of the first TA according to the first AOA and the first TA and the second AOA and the second TA, respectively ;

   And a sending module, configured to send the AOA correction value and the TA correction value to a base station corresponding to the serving cell.
7. The apparatus of claim 6, wherein the determining module is further configured to:

   The AOA correction value and the TA correction value are determined by the following formula:

   

   Wherein, △ AOA _j is the j-th day correction AOA, △ TA _j is the j-th day correction values TA, i is the i-th user equipment sends a measurement report message to the base station, AOA _i is the i The first AOA value in the measurement report message, AOA _i ˊ is the second AOA value in the ith measurement report message, TAi is the first TA value of the ith measurement report message, and TA ˊ is the ith measurement report message The second TA value.
8. The apparatus of claim 6, wherein the first acquisition module is further configured to receive the first AOA and the first TA measured by the base station.
9. The apparatus of any one of claims 6 to 8, wherein the second user equipment is a drive test user equipment.
10. A correction processing device for an antenna direction angle AOA and a timing advance TA, the device being applied to a base station, comprising:

    Obtaining a module, configured to acquire a first AOA and a first TA of the first user equipment;

    a correction module configured to correct the first AOA and the first TA according to the correction value AOA and the correction value TA, respectively, wherein the correction value AOA and the correction value TA are determined by the second user equipment The first user equipment and the second user equipment belong to the same serving cell, where the geographic location information of the serving cell to which the second user equipment belongs and the geographical location information of the second user equipment are obtained.

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