CN112637770A - Cell state judgment method and device based on minimization of drive tests and computing equipment - Google Patents
Cell state judgment method and device based on minimization of drive tests and computing equipment Download PDFInfo
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- H04W4/02—Services making use of location information
- H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
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- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
The embodiment of the invention relates to the technical field of wireless communication, and discloses a method, a device and a computing device for judging a cell state based on Minimization of Drive Test (MDT), wherein the method comprises the following steps: acquiring recorded MDT data and instant MDT data; acquiring an RRC idle-state user attribution main service cell in a geographical area grid according to the recorded MDT data; acquiring an RRC (radio resource control) connected user home service cell in the geographic area grid according to the instant MDT data; and judging whether the RRC idle state and the RRC connection state in the cell in the grid of the geographic area are consistent or not according to the RRC idle state user attribution primary service cell and the RRC connection state user attribution primary service cell. Through the mode, the embodiment of the invention can accurately acquire the RRC idle state and service state covering capability of the cell in full quantity, and further can reduce unnecessary switching times through parameter adjustment.
Description
Technical Field
The embodiment of the invention relates to the technical field of wireless communication, in particular to a method, a device and a computing device for judging a cell state based on minimization of drive test.
Background
Whether the coverage capabilities of a Radio Resource Control (RRC) idle state and an RRC connected state of an existing cell are unified is mainly discovered through a drive test means, but the drive test can only discover the coverage capabilities of a main road section, and cannot discover the coverage capabilities of a vehicle reaching an area.
The existing Measurement Report (MR) positioning is based on algorithm matching positioning, and is not self-carrying longitude and latitude positioning in MR data, and certain geographic information deviation exists. In addition, because the current network Measurement Reports (MRs) are all reported when the RRC is connected, the current MR positioning technology can show the RRC connected coverage capability of the terminal in the whole area, and cannot reflect the RRC idle coverage capability. Therefore, the RRC idle state and service state coverage capabilities of the cell cannot be obtained in full, comparison analysis of the RRC idle state and RRC connection state coverage capabilities cannot be performed, and unnecessary handover times cannot be reduced by parameter adjustment according to comparison analysis results.
Disclosure of Invention
In view of the foregoing, embodiments of the present invention provide a method, an apparatus, and a computing device for determining a cell state based on minimization of drive tests, which overcome or at least partially solve the above problems.
According to an aspect of the embodiments of the present invention, there is provided a method for determining a cell state based on minimization of drive tests, the method including: acquiring recorded MDT data and instant MDT data; acquiring an RRC idle-state user attribution main service cell in a geographical area grid according to the recorded MDT data; acquiring an RRC (radio resource control) connected user home service cell in the geographic area grid according to the instant MDT data; and judging whether the RRC idle state and the RRC connection state in the cell in the grid of the geographic area are consistent or not according to the RRC idle state user attribution primary service cell and the RRC connection state user attribution primary service cell.
In an optional manner, the acquiring, in a geographical area grid, an RRC idle-state user home serving cell according to the recorded MDT data includes: the cell with the sampling proportion of more than 90 percent in the recorded MDT data in any grid is the RRC idle state user attribution main service cell; the acquiring, in the geographical area grid, the RRC connected user home serving cell according to the immediate MDT data includes: and the cells with the sampling proportion of more than 90 percent in the instant MDT data in any grid are the RRC connected state user attribution main service cells.
In an optional manner, the recording MDT data at least includes an ECI of a serving cell and a latitude and longitude of a user terminal, and the acquiring, in a geographic area grid, an RRC idle user home serving cell according to the recording MDT data includes: and judging that the RRC idle-state user in the 11 m-11 m geographic area grid belongs to the primary service cell by taking 4 bits behind the longitude and latitude decimal point as a judgment basis according to the longitude and latitude of the user terminal.
In an optional manner, the obtaining, in the geographic area grid, an RRC connected user home serving cell according to the instant MDT data includes at least an ECI of a serving cell and a latitude and longitude of a user terminal, where the obtaining includes: and judging that the RRC connected state user in the 11 m by 11 m geographic area grid belongs to the main service cell by taking 4 bits behind the longitude and latitude decimal point as a judgment basis according to the longitude and latitude of the user terminal.
In an optional manner, the determining, according to the RRC idle-state user home master cell and the RRC connected-state user home master cell, whether the RRC idle state and the RRC connected state of the cell in the geographic area grid are consistent includes: when the RRC idle state user attribution primary service cell is consistent with the RRC connection state user attribution primary service cell in any grid, determining that the RRC idle state and the RRC connection state of the cell in the grid are consistent; and when the RRC idle-state user attribution primary service cell is inconsistent with the RRC connection-state user attribution primary service cell in any grid, if the RRC idle-state user attribution primary service cell is the same frequency as the RRC connection-state user attribution primary service cell, determining that the RRC idle state and the RRC connection state of the cell in the grid are inconsistent.
In an optional manner, the method further comprises: calculating the cell-level coverage consistency of any cell; and when the cell-level coverage consistency is lower than a preset threshold, adjusting cell reselection parameters or switching parameters to ensure that the coverage of the RRC idle state and the coverage of the RRC connection state are consistent.
In an alternative manner, the cell-level coverage consistency satisfies the following relation: and the cell-level coverage consistency degree is that the RRC idle-state user attribution primary service cell is consistent with the RRC connection-state user attribution primary service cell and is the grid number of the first cell/the grid number of the RRC idle-state user attribution primary service cell as the first cell.
According to another aspect of the embodiments of the present invention, there is provided a traffic-oriented traffic grooming device, including: the data acquisition unit is used for acquiring the recorded MDT data and the instant MDT data; an idle state obtaining unit, configured to obtain, in a geographic area grid, an RRC idle state user home serving cell according to the recorded MDT data; a connection state obtaining unit, configured to obtain, in the geographic area grid, an RRC connection state user home serving cell according to the immediate MDT data; and the consistency judging unit is used for judging whether the RRC idle state and the RRC connection state of the cell in the grid of the geographic area are consistent or not according to the RRC idle state user attribution primary service cell and the RRC connection state user attribution primary service cell.
According to another aspect of embodiments of the present invention, there is provided a computing device including: the system comprises a processor, a memory, a communication interface and a communication bus, wherein the processor, the memory and the communication interface complete mutual communication through the communication bus;
the memory is used for storing at least one executable instruction, and the executable instruction enables the processor to execute the steps of the cell state judgment method based on the minimization of drive tests.
According to another aspect of the embodiments of the present invention, there is provided a computer storage medium having at least one executable instruction stored therein, where the executable instruction causes the processor to execute the steps of the above-mentioned method for determining a cell state based on minimization of drive tests.
The embodiment of the invention obtains the recorded MDT data and the instant MDT data; acquiring an RRC idle-state user attribution main service cell in a geographical area grid according to the recorded MDT data; acquiring an RRC (radio resource control) connected user home service cell in the geographic area grid according to the instant MDT data; and judging whether the RRC idle state and the RRC connection state in the cell in the grid of the geographic area are consistent or not according to the RRC idle state user attribution primary service cell and the RRC connection state user attribution primary service cell, so that the RRC idle state and service state covering capability of the cell can be accurately and completely acquired, and unnecessary switching times can be further reduced through parameter adjustment.
The foregoing description is only an overview of the technical solutions of the embodiments of the present invention, and the embodiments of the present invention can be implemented according to the content of the description in order to make the technical means of the embodiments of the present invention more clearly understood, and the detailed description of the present invention is provided below in order to make the foregoing and other objects, features, and advantages of the embodiments of the present invention more clearly understandable.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic flowchart illustrating a method for determining a cell state based on minimization of drive test according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating a cell determination of a method for determining a cell state based on minimization of drive test according to an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating a primary serving cell determination method based on a minimization of drive test according to an embodiment of the present invention;
fig. 4 is a schematic diagram illustrating a consistency determination between a cell RRC idle state and a cell RRC connected state according to the method for determining a cell state based on minimization of drive test provided in the embodiment of the present invention;
fig. 5 is a flowchart illustrating another method for determining a cell state based on minimization of drive test according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram illustrating a device for determining a cell state based on minimization of drive test according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a computing device provided by an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Fig. 1 is a flowchart illustrating a method for determining a cell state based on minimization of drive test according to an embodiment of the present invention. As shown in fig. 1, the method for determining a cell state based on minimization of drive tests includes:
step S11: and acquiring recorded MDT data and instant MDT data.
The embodiment of the invention utilizes Minimization Drive Test (MDT) data, and main data is reported according to longitude and latitude data in the MDT. The third generation partnership project (3GPP) release R10 specifies that the geographical location information in the MDT measurement report is reported in a best effort manner, that is, if the terminal (UE) has detailed geographical location information (e.g., GPS information) available during measurement, the UE needs to report the geographical location information (e.g., longitude, latitude, altitude, speed, direction, etc.), otherwise, the MDT measurement report only needs to carry physical-layer Cell identity (PCI)/Primary Scrambling Code (PSC) and Reference Signal Receiving Power (Reference Signal Receiving Power, RSRP)/Received Signal Code Power (Received Signal Code Power, RSCP) of neighboring cells with the same frequency. The embodiment of the invention can fully acquire the covering capability of the RRC idle state and the RRC connection state by utilizing the MDT data with the latitude and longitude reporting capability.
MDT data configurations can be classified into signaling-based classes and management/area-based classes. Based on the MDT of signaling, an Operation Administration and Maintenance tool (OAM) selects the UE performing MDT according to the permanent identity of the UE, and is mostly used for network quality analysis of specific user behavior. The permanent Identity of the UE may be an International Mobile Subscriber Identity (IMSI) or an International Mobile Equipment Identity (IMEI). Based on the management/area class MDT, the selection of the UE is performed by the base station (E-NodeB), mainly based on parameters received from the OAM, the UE radio capabilities and the "MDT allowed indication" received from the CN in the relevant signalling procedures. In the embodiment of the invention, because large data volume statistics is required, the adopted data configuration is based on management/area type MDT data.
The MDT data can be classified into Logged MDT data (Logged data) and immediate MDT data (Imm data) from a measurement and reporting mode. The recording of MDT data is generally applied when the UE is in an RRC idle state, and the main behavior includes reselection. And the UE collects the cell information according to the system indication time and the indication frequency and reports the measurement report after the RRC connection state of the UE. Part of field information of the recorded MDT data is shown in table 1. The immediate MDT data is applied to the RRC connection state of the UE, and the collected network data is reported immediately. Part of field information of the immediate MDT data is shown in table 2. The MME UE S1AP ID is used by a Mobility Management Entity (MME) to uniquely identify a UE in the S1 interface. MME Group ID is MME Group identification, and MME Code is MME number. The field information mainly needed to be used in the recorded MDT data and the instant MDT data of the embodiment of the invention comprises the service cell ID and the longitude and latitude of the UE. Because the MDT data can be recorded, the idle state coverage capability of the whole terminal can be collected and reported, and the idle state coverage capability can be comprehensively analyzed.
Table 1 records partial field information of MDT data
Table 2 partial field information of immediate MDT data
Step S12: and acquiring the RRC idle-state user attribution main service cell in the grid of the geographic area according to the recorded MDT data.
The recorded MDT data at least comprises service cell ECI and user terminal longitude and latitude. In step S12, the serving cell ECI and the user terminal longitude and latitude are sorted out from the logged MDT data. And then, judging that the RRC idle-state user in the 11 m-11 m geographic area grid belongs to a main service cell by taking 4 bits behind the longitude and latitude decimal point as a judgment basis according to the longitude and latitude of the user terminal. The grid after arrangement is shown in fig. 2, the oblique line region represents that the XX middle school north-52 cells appear in the sampling point information, and the point region represents that the XX hotel-53 cells appear in the sampling point information.
In this embodiment of the present invention, the cell in any grid, in which the sampling proportion of the recorded MDT data is greater than 90%, is the RRC idle user home serving cell. As shown in fig. 3, the grids of region b1 and region b2 represent the presence of north-52 cells in XX in the information of the sample points, wherein the grid of region b1 represents the presence of north-52 cells in XX by more than 90%. The grids of area a1 and area a2 represent the presence of XX hotel-53 cells in the sample point information, wherein the grid of area a1 represents the presence of XX hotel-53 cells at a sample point ratio greater than 90%. According to the embodiment of the invention, the RRC idle-state first primary service cell and the RRC idle-state second primary service cell can be obtained according to the sampling point number ratio of the RRC idle-state user attribution primary service cell. The sampling point number ratio of the RRC idle state first primary service cell is larger than that of the RRC idle state second primary service cell.
Step S13: and acquiring an RRC (radio resource control) connected user home serving cell in the geographic area grid according to the instant MDT data.
The instant MDT data at least comprises service cell ECI and user terminal longitude and latitude. In step S13, the serving cell ECI and the user terminal longitude and latitude are sorted out from the immediate MDT data. And then, judging that the RRC connected state user in the 11 m-11 m geographical area grid belongs to a main service cell by taking 4 bits behind the longitude and latitude decimal point as a judgment basis according to the longitude and latitude of the user terminal. In this embodiment of the present invention, the cell in any grid, in which the sampling ratio of the immediate MDT data is greater than 90%, is the RRC connected user home serving cell. According to the embodiment of the invention, the RRC connection state first primary service cell and the RRC connection state second primary service cell can be obtained according to the sampling point ratio of the RRC connection state user attribution primary service cell. The sampling point number ratio of the RRC connection state first main service cell is larger than that of the RRC connection state second main service cell.
Step S14: and judging whether the RRC idle state and the RRC connection state in the cell in the grid of the geographic area are consistent or not according to the RRC idle state user attribution primary service cell and the RRC connection state user attribution primary service cell.
In step S14, it is determined whether the RRC idle state and the RRC connected state in the geographic area grid are consistent, that is, whether the RRC idle state user home master cell and the RRC connected state user home master cell in the geographic area grid are the same. And when the RRC idle state user attribution primary service cell is consistent with the RRC connection state user attribution primary service cell in any grid, determining that the RRC idle state and the RRC connection state of the cell in the grid are consistent.
And when the RRC idle-state user attribution primary service cell is inconsistent with the RRC connection-state user attribution primary service cell in any grid, comparing whether the RRC idle-state user attribution primary service cell and the RRC connection-state user attribution primary service cell have the same frequency or not. And if the RRC idle state user attribution primary service cell and the RRC connection state user attribution primary service cell have the same frequency, determining that the RRC idle state and the RRC connection state of the cell in the grid are inconsistent. Because the existing network starts a load balancing strategy, and a multi-layer network coverage area has different user RRC idle state and RRC connection state residence strategies, the idle state and connection state first main service cells in the same geographic area may be different. The embodiment of the invention can compare and analyze the coverage capability of the RRC idle state and the RRC connection state, thereby determining whether the phenomenon of inconsistency of the RRC idle state and the RRC connection state of the cell exists.
As shown in fig. 4, the grid representation sampling point information of the region b1, the region b2 and the region b3 shows that the XX north-52 middle school cell appears, wherein the grid representation sampling point information of the region b1 and the region b3 shows that the proportion of the sampling points of the XX north-52 middle school cell is greater than 90%, and the grid representation cell of the region b1 shows that the coverage of the RRC idle state and the RRC connected state are consistent, and both the XX north-52 middle school cell. The grids of area a1, area a2, and area a3 characterize the presence of XX hotel-53 cells in the sample point information. The proportion of sampling points of the cells representing XX hotel-53 in the grids of the area a1 and the area a3 is more than 90%, and the grids of the area a1 represent that the RRC idle state and the RRC connection state coverage of the cells are consistent and are the XX hotel-53 cells. The MDT data for the entire area are collated as shown in table 3.
TABLE 3 MDT data for the entire area
Wherein, ECI is a unique identification code of a cell. The idle state primary service 1 represents an RRC idle state first primary service cell, and the idle state primary service 2 represents an RRC idle state second primary service cell. The connected state primary service 1 represents an RRC connected state first primary service cell, and the connected state primary service 2 represents an RRC connected state second primary service cell. Grid number 1 may represent region a1 in fig. 4, grid number 2 may represent region a3 in fig. 4, grid number 3 may represent region a2 in fig. 4, grid number 4 may represent region b2 in fig. 4, grid number 5 may represent region b3 in fig. 4, and grid number 6 may represent region b1 in fig. 4. As can be seen from table 3, grids 1 and 6 are RRC idle and RRC connected overlaid consistent grids.
When coverage of a cell RRC idle state and RRC connected state is not consistent, it may happen that a user initiates a handover even though a geographical location is unchanged after a user switches from an RRC idle state initiating a service to an RRC connected state in such a grid, so that a rate of an initial service stage of the user may be reduced, and user perception may be affected. To solve the problem, as shown in fig. 5, the method for determining a cell state based on minimization of drive test according to the embodiment of the present invention further includes:
step S15: and calculating the cell-level coverage consistency of any cell.
The cell-level coverage consistency satisfies the following relation: and the cell-level coverage consistency degree is that the RRC idle-state user attribution primary service cell is consistent with the RRC connection-state user attribution primary service cell and is the grid number of the first cell/the grid number of the RRC idle-state user attribution primary service cell as the first cell. For the north-52 cell in XX in fig. 4, the cell-level coverage uniformity is the number of grids in region b 1/(the number of grids in region b1 + the number of grids in region b 3). For the XX hotel-53 cell, the cell-level coverage consistency is the number of grids in area a 1/(the number of grids in area a1 + the number of grids in area a 3). The embodiment of the invention measures the severity of the inconsistency of the RRC idle state and the RRC connection state of the cell by defining the cell-level coverage consistency, and further can consider to adopt corresponding measures to improve.
Step S16: and when the cell-level coverage consistency is lower than a preset threshold, adjusting cell reselection parameters or switching parameters to ensure that the coverage of the RRC idle state and the coverage of the RRC connection state are consistent.
When the cell-level coverage consistency of a certain cell is lower than a preset threshold, the cell is characterized to have the problem that the serious RRC connection state coverage is smaller than the RRC idle state coverage, which directly causes that the user in the grid of the cell is switched from the RRC idle state to the RRC connection state and then immediately initiates switching even if the user does not move. And aiming at the cells with the cell-level coverage consistency lower than a preset threshold, adjusting and modifying a cell reselection parameter (Qoffset) or a handover parameter (CellIndIvOffset, CIO), thereby adjusting the coverage areas in different states to ensure the consistency of the coverage capabilities of an RRC idle state and an RRC connection state. The preset threshold is preferably 60%, and may be specifically set according to a user requirement, which is not limited herein. According to the embodiment of the invention, when the degree of inconsistency between the RRC idle state and the RRC connected state of the cell is serious, unnecessary switching times can be reduced through parameter adjustment, so that the initial service stage rate of a user is improved, and the user perception is optimized.
The embodiment of the invention obtains the recorded MDT data and the instant MDT data; acquiring an RRC idle-state user attribution main service cell in a geographical area grid according to the recorded MDT data; acquiring an RRC (radio resource control) connected user home service cell in the geographic area grid according to the instant MDT data; and judging whether the RRC idle state and the RRC connection state in the cell in the grid of the geographic area are consistent or not according to the RRC idle state user attribution primary service cell and the RRC connection state user attribution primary service cell, so that the RRC idle state and service state covering capability of the cell can be accurately and completely acquired, and unnecessary switching times can be further reduced through parameter adjustment.
Fig. 6 is a schematic structural diagram of a device for determining a cell state based on minimization of drive tests according to an embodiment of the present invention. As shown in fig. 6, the apparatus for determining a cell state based on minimization of drive tests includes: data acquisition section 601, idle state acquisition section 602, connection state acquisition section 603, consistency determination section 604, calculation section 605, and parameter adjustment section 606. Wherein:
the data obtaining unit 601 is configured to obtain logged MDT data and immediate MDT data; the idle state obtaining unit 602 is configured to obtain, in a geographic area grid, an RRC idle state user home serving cell according to the recorded MDT data; the connection state obtaining unit 603 is configured to obtain an RRC connection state user home serving cell in the geographic area grid according to the immediate MDT data; the consistency determining unit 604 is configured to determine whether the RRC idle state and the RRC connected state in the cell in the grid of the geographic area are consistent according to the RRC idle state user attribution primary serving cell and the RRC connected state user attribution primary serving cell.
In an optional manner, the idle state obtaining unit 602 is configured to: the cell with the sampling proportion of more than 90 percent in the recorded MDT data in any grid is the RRC idle state user attribution main service cell; the connection state obtaining unit 603 is configured to: and the cells with the sampling proportion of more than 90 percent in the instant MDT data in any grid are the RRC connected state user attribution main service cells.
In an optional manner, the recorded MDT data at least includes a serving cell ECI and a latitude and longitude of a user terminal, and the idle state obtaining unit 602 is configured to: and judging that the RRC idle-state user in the 11 m-11 m geographic area grid belongs to the primary service cell by taking 4 bits behind the longitude and latitude decimal point as a judgment basis according to the longitude and latitude of the user terminal.
In an optional manner, the immediate MDT data at least includes a serving cell ECI and a latitude and longitude of a user terminal, and the connection state obtaining unit 603 is configured to: and judging that the RRC connected state user in the 11 m by 11 m geographic area grid belongs to the main service cell by taking 4 bits behind the longitude and latitude decimal point as a judgment basis according to the longitude and latitude of the user terminal.
In an alternative manner, the consistency judging unit 604 is configured to: when the RRC idle state user attribution primary service cell is consistent with the RRC connection state user attribution primary service cell in any grid, determining that the RRC idle state and the RRC connection state of the cell in the grid are consistent; and when the RRC idle-state user attribution primary service cell is inconsistent with the RRC connection-state user attribution primary service cell in any grid, if the RRC idle-state user attribution primary service cell is the same frequency as the RRC connection-state user attribution primary service cell, determining that the RRC idle state and the RRC connection state of the cell in the grid are inconsistent.
In an alternative manner, the computing unit 605 is configured to: calculating the cell-level coverage consistency of any cell; the parameter adjusting unit 606 is configured to: and when the cell-level coverage consistency is lower than a preset threshold, adjusting cell reselection parameters or switching parameters to ensure that the coverage of the RRC idle state and the coverage of the RRC connection state are consistent.
In an alternative manner, the cell-level coverage consistency satisfies the following relation: and the cell-level coverage consistency degree is that the RRC idle-state user attribution primary service cell is consistent with the RRC connection-state user attribution primary service cell and is the grid number of the first cell/the grid number of the RRC idle-state user attribution primary service cell as the first cell.
The embodiment of the invention obtains the recorded MDT data and the instant MDT data; acquiring an RRC idle-state user attribution main service cell in a geographical area grid according to the recorded MDT data; acquiring an RRC (radio resource control) connected user home service cell in the geographic area grid according to the instant MDT data; and judging whether the RRC idle state and the RRC connection state in the cell in the grid of the geographic area are consistent or not according to the RRC idle state user attribution primary service cell and the RRC connection state user attribution primary service cell, so that the RRC idle state and service state covering capability of the cell can be accurately and completely acquired, and unnecessary switching times can be further reduced through parameter adjustment.
An embodiment of the present invention provides a non-volatile computer storage medium, where the computer storage medium stores at least one executable instruction, and the computer executable instruction may execute the method for determining a cell state based on minimization of drive test in any of the above method embodiments.
The executable instructions may be specifically configured to cause the processor to:
acquiring recorded MDT data and instant MDT data;
acquiring an RRC idle-state user attribution main service cell in a geographical area grid according to the recorded MDT data;
acquiring an RRC (radio resource control) connected user home service cell in the geographic area grid according to the instant MDT data;
and judging whether the RRC idle state and the RRC connection state in the cell in the grid of the geographic area are consistent or not according to the RRC idle state user attribution primary service cell and the RRC connection state user attribution primary service cell.
In an alternative, the executable instructions cause the processor to:
the cell with the sampling proportion of more than 90 percent in the recorded MDT data in any grid is the RRC idle state user attribution main service cell;
and the cells with the sampling proportion of more than 90 percent in the instant MDT data in any grid are the RRC connected state user attribution main service cells.
In an alternative, the logged MDT data includes at least serving cell ECI and user terminal longitude and latitude, and the executable instructions cause the processor to:
and judging that the RRC idle-state user in the 11 m-11 m geographic area grid belongs to the primary service cell by taking 4 bits behind the longitude and latitude decimal point as a judgment basis according to the longitude and latitude of the user terminal.
In an alternative, the immediate MDT data includes at least a serving cell ECI and a user terminal longitude and latitude, and the executable instructions cause the processor to:
and judging that the RRC connected state user in the 11 m by 11 m geographic area grid belongs to the main service cell by taking 4 bits behind the longitude and latitude decimal point as a judgment basis according to the longitude and latitude of the user terminal.
In an alternative, the executable instructions cause the processor to:
when the RRC idle state user attribution primary service cell is consistent with the RRC connection state user attribution primary service cell in any grid, determining that the RRC idle state and the RRC connection state of the cell in the grid are consistent;
and when the RRC idle-state user attribution primary service cell is inconsistent with the RRC connection-state user attribution primary service cell in any grid, if the RRC idle-state user attribution primary service cell is the same frequency as the RRC connection-state user attribution primary service cell, determining that the RRC idle state and the RRC connection state of the cell in the grid are inconsistent.
In an alternative, the executable instructions cause the processor to:
calculating the cell-level coverage consistency of any cell;
and when the cell-level coverage consistency is lower than a preset threshold, adjusting cell reselection parameters or switching parameters to ensure that the coverage of the RRC idle state and the coverage of the RRC connection state are consistent.
In an alternative manner, the cell-level coverage consistency satisfies the following relation: and the cell-level coverage consistency degree is that the RRC idle-state user attribution primary service cell is consistent with the RRC connection-state user attribution primary service cell and is the grid number of the first cell/the grid number of the RRC idle-state user attribution primary service cell as the first cell.
The embodiment of the invention obtains the recorded MDT data and the instant MDT data; acquiring an RRC idle-state user attribution main service cell in a geographical area grid according to the recorded MDT data; acquiring an RRC (radio resource control) connected user home service cell in the geographic area grid according to the instant MDT data; and judging whether the RRC idle state and the RRC connection state in the cell in the grid of the geographic area are consistent or not according to the RRC idle state user attribution primary service cell and the RRC connection state user attribution primary service cell, so that the RRC idle state and service state covering capability of the cell can be accurately and completely acquired, and unnecessary switching times can be further reduced through parameter adjustment.
An embodiment of the present invention provides a computer program product, where the computer program product includes a computer program stored on a computer storage medium, where the computer program includes program instructions, and when the program instructions are executed by a computer, the computer is caused to execute the method for determining a state of a cell based on minimization of drive tests in any of the above-mentioned method embodiments.
The executable instructions may be specifically configured to cause the processor to:
acquiring recorded MDT data and instant MDT data;
acquiring an RRC idle-state user attribution main service cell in a geographical area grid according to the recorded MDT data;
acquiring an RRC (radio resource control) connected user home service cell in the geographic area grid according to the instant MDT data;
and judging whether the RRC idle state and the RRC connection state in the cell in the grid of the geographic area are consistent or not according to the RRC idle state user attribution primary service cell and the RRC connection state user attribution primary service cell.
In an alternative, the executable instructions cause the processor to:
the cell with the sampling proportion of more than 90 percent in the recorded MDT data in any grid is the RRC idle state user attribution main service cell;
and the cells with the sampling proportion of more than 90 percent in the instant MDT data in any grid are the RRC connected state user attribution main service cells.
In an alternative, the logged MDT data includes at least serving cell ECI and user terminal longitude and latitude, and the executable instructions cause the processor to:
and judging that the RRC idle-state user in the 11 m-11 m geographic area grid belongs to the primary service cell by taking 4 bits behind the longitude and latitude decimal point as a judgment basis according to the longitude and latitude of the user terminal.
In an alternative, the immediate MDT data includes at least a serving cell ECI and a user terminal longitude and latitude, and the executable instructions cause the processor to:
and judging that the RRC connected state user in the 11 m by 11 m geographic area grid belongs to the main service cell by taking 4 bits behind the longitude and latitude decimal point as a judgment basis according to the longitude and latitude of the user terminal.
In an alternative, the executable instructions cause the processor to:
when the RRC idle state user attribution primary service cell is consistent with the RRC connection state user attribution primary service cell in any grid, determining that the RRC idle state and the RRC connection state of the cell in the grid are consistent;
and when the RRC idle-state user attribution primary service cell is inconsistent with the RRC connection-state user attribution primary service cell in any grid, if the RRC idle-state user attribution primary service cell is the same frequency as the RRC connection-state user attribution primary service cell, determining that the RRC idle state and the RRC connection state of the cell in the grid are inconsistent.
In an alternative, the executable instructions cause the processor to:
calculating the cell-level coverage consistency of any cell;
and when the cell-level coverage consistency is lower than a preset threshold, adjusting cell reselection parameters or switching parameters to ensure that the coverage of the RRC idle state and the coverage of the RRC connection state are consistent.
In an alternative manner, the cell-level coverage consistency satisfies the following relation: and the cell-level coverage consistency degree is that the RRC idle-state user attribution primary service cell is consistent with the RRC connection-state user attribution primary service cell and is the grid number of the first cell/the grid number of the RRC idle-state user attribution primary service cell as the first cell.
The embodiment of the invention obtains the recorded MDT data and the instant MDT data; acquiring an RRC idle-state user attribution main service cell in a geographical area grid according to the recorded MDT data; acquiring an RRC (radio resource control) connected user home service cell in the geographic area grid according to the instant MDT data; and judging whether the RRC idle state and the RRC connection state in the cell in the grid of the geographic area are consistent or not according to the RRC idle state user attribution primary service cell and the RRC connection state user attribution primary service cell, so that the RRC idle state and service state covering capability of the cell can be accurately and completely acquired, and unnecessary switching times can be further reduced through parameter adjustment.
Fig. 7 is a schematic structural diagram of a computing device according to an embodiment of the present invention, and a specific embodiment of the present invention does not limit a specific implementation of the device.
As shown in fig. 7, the computing device may include: a processor (processor)702, a Communications Interface 704, a memory 706, and a communication bus 708.
Wherein: the processor 702, communication interface 704, and memory 706 communicate with each other via a communication bus 708. A communication interface 704 for communicating with network elements of other devices, such as clients or other servers. The processor 702 is configured to execute the program 710, and may specifically execute the relevant steps in the above-described method for determining a cell state based on minimization of drive tests.
In particular, the program 710 may include program code that includes computer operating instructions.
The processor 702 may be a central processing unit CPU, or an Application Specific Integrated Circuit (ASIC), or one or more Integrated circuits configured to implement embodiments of the present invention. The one or each processor included in the device may be the same type of processor, such as one or each CPU; or may be different types of processors such as one or each CPU and one or each ASIC.
The memory 706 stores a program 710. The memory 706 may comprise high-speed RAM memory, and may also include non-volatile memory (non-volatile memory), such as at least one disk memory.
The program 710 may specifically be used to cause the processor 702 to perform the following operations:
acquiring recorded MDT data and instant MDT data;
acquiring an RRC idle-state user attribution main service cell in a geographical area grid according to the recorded MDT data;
acquiring an RRC (radio resource control) connected user home service cell in the geographic area grid according to the instant MDT data;
and judging whether the RRC idle state and the RRC connection state in the cell in the grid of the geographic area are consistent or not according to the RRC idle state user attribution primary service cell and the RRC connection state user attribution primary service cell.
In an alternative, the program 710 causes the processor to:
the cell with the sampling proportion of more than 90 percent in the recorded MDT data in any grid is the RRC idle state user attribution main service cell;
and the cells with the sampling proportion of more than 90 percent in the instant MDT data in any grid are the RRC connected state user attribution main service cells.
In an alternative, the logged MDT data includes at least serving cell ECI and user terminal longitude and latitude, and the program 710 causes the processor to:
and judging that the RRC idle-state user in the 11 m-11 m geographic area grid belongs to the primary service cell by taking 4 bits behind the longitude and latitude decimal point as a judgment basis according to the longitude and latitude of the user terminal.
In an alternative, the immediate MDT data includes at least serving cell ECI and user terminal longitude and latitude, and the program 710 causes the processor to:
and judging that the RRC connected state user in the 11 m by 11 m geographic area grid belongs to the main service cell by taking 4 bits behind the longitude and latitude decimal point as a judgment basis according to the longitude and latitude of the user terminal.
In an alternative, the program 710 causes the processor to:
when the RRC idle state user attribution primary service cell is consistent with the RRC connection state user attribution primary service cell in any grid, determining that the RRC idle state and the RRC connection state of the cell in the grid are consistent;
and when the RRC idle-state user attribution primary service cell is inconsistent with the RRC connection-state user attribution primary service cell in any grid, if the RRC idle-state user attribution primary service cell is the same frequency as the RRC connection-state user attribution primary service cell, determining that the RRC idle state and the RRC connection state of the cell in the grid are inconsistent.
In an alternative, the program 710 causes the processor to:
calculating the cell-level coverage consistency of any cell;
and when the cell-level coverage consistency is lower than a preset threshold, adjusting cell reselection parameters or switching parameters to ensure that the coverage of the RRC idle state and the coverage of the RRC connection state are consistent.
In an alternative manner, the cell-level coverage consistency satisfies the following relation: and the cell-level coverage consistency degree is that the RRC idle-state user attribution primary service cell is consistent with the RRC connection-state user attribution primary service cell and is the grid number of the first cell/the grid number of the RRC idle-state user attribution primary service cell as the first cell.
The embodiment of the invention obtains the recorded MDT data and the instant MDT data; acquiring an RRC idle-state user attribution main service cell in a geographical area grid according to the recorded MDT data; acquiring an RRC (radio resource control) connected user home service cell in the geographic area grid according to the instant MDT data; and judging whether the RRC idle state and the RRC connection state in the cell in the grid of the geographic area are consistent or not according to the RRC idle state user attribution primary service cell and the RRC connection state user attribution primary service cell, so that the RRC idle state and service state covering capability of the cell can be accurately and completely acquired, and unnecessary switching times can be further reduced through parameter adjustment.
The algorithms or displays presented herein are not inherently related to any particular computer, virtual system, or other apparatus. Various general purpose systems may also be used with the teachings herein. The required structure for constructing such a system will be apparent from the description above. In addition, embodiments of the present invention are not directed to any particular programming language. It is appreciated that a variety of programming languages may be used to implement the teachings of the present invention as described herein, and any descriptions of specific languages are provided above to disclose the best mode of the invention.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the invention, various features of the embodiments of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the invention and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed method should not be interpreted as reflecting an intention that: that the invention as claimed requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this invention.
Those skilled in the art will appreciate that the modules in the device in an embodiment may be adaptively changed and disposed in one or more devices different from the embodiment. The modules or units or components of the embodiments may be combined into one module or unit or component, and furthermore they may be divided into a plurality of sub-modules or sub-units or sub-components. All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or elements of any method or apparatus so disclosed, may be combined in any combination, except combinations where at least some of such features and/or processes or elements are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.
Furthermore, those skilled in the art will appreciate that while some embodiments herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the following claims, any of the claimed embodiments may be used in any combination.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names. The steps in the above embodiments should not be construed as limiting the order of execution unless specified otherwise.
Claims (10)
1. A method for judging a cell state based on Minimization of Drive Tests (MDT), the method comprising:
acquiring recorded MDT data and instant MDT data;
acquiring an RRC idle-state user attribution main service cell in a geographical area grid according to the recorded MDT data;
acquiring an RRC (radio resource control) connected user home service cell in the geographic area grid according to the instant MDT data;
and judging whether the RRC idle state and the RRC connection state in the cell in the grid of the geographic area are consistent or not according to the RRC idle state user attribution primary service cell and the RRC connection state user attribution primary service cell.
2. The method of claim 1, wherein obtaining the RRC idle user home serving cell from the logged MDT data in a geographic area grid comprises:
the cell with the sampling proportion of more than 90 percent in the recorded MDT data in any grid is the RRC idle state user attribution main service cell;
the acquiring, in the geographical area grid, the RRC connected user home serving cell according to the immediate MDT data includes:
and the cells with the sampling proportion of more than 90 percent in the instant MDT data in any grid are the RRC connected state user attribution main service cells.
3. The method of claim 1, wherein the recording MDT data at least includes a serving cell ECI and a user terminal longitude and latitude, and the obtaining the RRC idle user home serving cell in the geographic area grid according to the recording MDT data comprises:
and judging that the RRC idle-state user in the 11 m-11 m geographic area grid belongs to the primary service cell by taking 4 bits behind the longitude and latitude decimal point as a judgment basis according to the longitude and latitude of the user terminal.
4. The method of claim 1, wherein the immediate MDT data at least includes a serving cell ECI and a user terminal longitude and latitude, and wherein obtaining the RRC connected user home serving cell in the geographic area grid according to the immediate MDT data comprises:
and judging that the RRC connected state user in the 11 m by 11 m geographic area grid belongs to the main service cell by taking 4 bits behind the longitude and latitude decimal point as a judgment basis according to the longitude and latitude of the user terminal.
5. The method of claim 1, wherein the determining whether the cell RRC idle state and the RRC connected state in the geographical area grid are consistent according to the RRC idle state user home master cell and the RRC connected state user home master cell comprises:
when the RRC idle state user attribution primary service cell is consistent with the RRC connection state user attribution primary service cell in any grid, determining that the RRC idle state and the RRC connection state of the cell in the grid are consistent;
and when the RRC idle-state user attribution primary service cell is inconsistent with the RRC connection-state user attribution primary service cell in any grid, if the RRC idle-state user attribution primary service cell is the same frequency as the RRC connection-state user attribution primary service cell, determining that the RRC idle state and the RRC connection state of the cell in the grid are inconsistent.
6. The method of claim 1, further comprising:
calculating the cell-level coverage consistency of any cell;
and when the cell-level coverage consistency is lower than a preset threshold, adjusting cell reselection parameters or switching parameters to ensure that the coverage of the RRC idle state and the coverage of the RRC connection state are consistent.
7. The method of claim 6, wherein the cell-level coverage consistency satisfies the following relation: and the cell-level coverage consistency degree is that the RRC idle-state user attribution primary service cell is consistent with the RRC connection-state user attribution primary service cell and is the grid number of the first cell/the grid number of the RRC idle-state user attribution primary service cell as the first cell.
8. A device for determining a cell state based on minimization of drive tests, the device comprising:
the data acquisition unit is used for acquiring the recorded MDT data and the instant MDT data;
an idle state obtaining unit, configured to obtain, in a geographic area grid, an RRC idle state user home serving cell according to the recorded MDT data;
a connection state obtaining unit, configured to obtain, in the geographic area grid, an RRC connection state user home serving cell according to the immediate MDT data;
and the consistency judging unit is used for judging whether the RRC idle state and the RRC connection state of the cell in the grid of the geographic area are consistent or not according to the RRC idle state user attribution primary service cell and the RRC connection state user attribution primary service cell.
9. A computing device, comprising: the system comprises a processor, a memory, a communication interface and a communication bus, wherein the processor, the memory and the communication interface complete mutual communication through the communication bus;
the memory is configured to store at least one executable instruction, which causes the processor to execute the steps of the minimization of drive tests based cell status determination method according to any one of claims 1 to 7.
10. A computer storage medium having stored therein at least one executable instruction for causing a processor to perform the steps of the minimization of drive tests based cell status determination method according to any one of claims 1 to 7.
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