CN108307400B - Verification method and system for wireless network planning simulation result - Google Patents
Verification method and system for wireless network planning simulation result Download PDFInfo
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Abstract
The invention provides a verification method and a system for a wireless network planning simulation result, wherein the verification method determines a network coverage abnormal area according to a wireless network planning simulation graph obtained through wireless network planning simulation; drawing a verification line in the network coverage abnormal area, wherein the verification line passes through at least two single areas; acquiring a path loss value and a network coverage value of each grid on a verification line, and determining a network coverage correlation coefficient according to the path loss value and the network coverage value of each grid on the verification line; and verifying whether the simulation result of the network coverage abnormal area in the wireless network planning simulation diagram is accurate or not according to the network coverage correlation coefficient. The verification system comprises a network coverage abnormal area acquisition module, a verification line drawing module, a network coverage correlation coefficient acquisition module and a correlation coefficient verification module. The method and the device can perform double verification on the wireless network planning simulation result, quickly and reliably judge the accuracy of the wireless network planning simulation result, and improve the accuracy of the verification result.
Description
Technical Field
The invention relates to the technical field of wireless network planning, in particular to a method and a system for verifying a simulation result of wireless network planning.
Background
Describing a downlink coverage condition by using a wireless network planning simulation result in a wireless network planning, for example, describing the downlink coverage condition by using terminal received power (RSRP), and considering the RSRP as a coverage area of a base station when the RSRP is larger than a certain threshold value; one important item in simulation of wireless network planning is simulation of RSRP.
And the wireless network planning simulation depends on complex environments such as altitude, terrain fading and the like on a map. In order to ensure the accuracy of the simulation result, it is necessary to determine whether the simulation result of the wireless network planning simulated in the complex environment is correct, and it is necessary to perform analysis and verification.
At present, there is no method for verifying the simulation result of the wireless network planning, so how to design a verification method for the simulation result of the wireless network planning is an urgent problem to be solved.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the verification method and the verification system for the wireless network planning simulation result, which can carry out double verification on the wireless network planning simulation result, quickly and reliably judge the accuracy of the wireless network planning simulation result and improve the accuracy of the verification result.
In order to solve the technical problems, the invention provides the following technical scheme:
in one aspect, the present invention provides a method for verifying a simulation result of a wireless network planning, where the method includes:
determining a network coverage abnormal area according to a wireless network planning simulation diagram obtained through wireless network planning simulation, wherein the network coverage abnormal area comprises a plurality of single areas with different network coverage states;
drawing a verification line in the abnormal area of network coverage, wherein the verification line passes through at least two single areas;
acquiring a path loss value and a network coverage value of each grid on the verification line, and determining a network coverage correlation coefficient according to the path loss value and the network coverage value of each grid on the verification line;
and verifying whether the simulation result of the network coverage abnormal area in the wireless network planning simulation diagram is accurate or not according to the network coverage related coefficient.
Further, the determining the area with abnormal network coverage according to the wireless network planning simulation diagram obtained by the wireless network planning simulation includes:
performing wireless network planning simulation on a target area to obtain a wireless network planning simulation diagram;
and dividing the area of sudden drop or fluctuation of the network signals in the wireless network planning simulation diagram into the area with abnormal network coverage.
Further, the method further comprises:
and acquiring a distribution relation graph of the verification line, and verifying the simulation result of the network coverage abnormal area according to the distribution relation graph, wherein the distribution relation graph comprises the corresponding relation between the altitude and the distance of the verification line.
Further, the obtaining the distribution relation diagram of the verification line and verifying the simulation result of the network coverage abnormal area according to the distribution relation diagram includes:
determining a plurality of grids passed by the verification line in the wireless network planning simulation diagram;
acquiring the altitude and distance values of each grid through which the verification line passes in the wireless network planning simulation diagram;
drawing a distribution relation graph of the verification line according to the altitude and the distance value of all grids passed by the verification line;
and matching the distribution relation graph with the network coverage condition of each grid through which the verification line passes, and verifying whether the simulation result of the network coverage abnormal area is accurate according to the matching result to obtain a primary verification result.
Further, the obtaining the path loss value and the network coverage value of each grid on the verification line, and determining a network coverage correlation coefficient according to the path loss value and the network coverage value of each grid on the verification line includes:
acquiring a path loss value and a network coverage value of each grid through which the verification line passes, wherein the path loss value and the network coverage value are obtained in a wireless network planning simulation process;
calculating to obtain a network coverage correlation coefficient r of the verification line according to the path loss value, the network coverage value and a formula I of each grid through which the verification line passesxy：
Wherein N is the number of grids passed by the verification line; xiThe path loss value of each grid passed by the verification line is obtained;
the average value of the path loss values of the grids passed by the verification line is obtained; y isiNetwork coverage values for each grid through which the verification line passes;
is the average of the network coverage values for each grid through which the verification line passes.
Further, the verifying whether the simulation result of the network coverage abnormal area in the wireless network planning simulation diagram is accurate according to the network coverage correlation coefficient includes:
comparing the network coverage correlation coefficient of the verification line with a preset correlation coefficient threshold value;
if the network coverage correlation coefficient of the verification line is larger than a preset correlation coefficient threshold value, judging that the simulation result of the network coverage abnormal area is accurate; otherwise, judging that the simulation result of the network coverage abnormal area is wrong;
and generating a secondary verification result according to the judgment result.
Further, the method further comprises:
and combining the primary verification result and the secondary verification result to judge the simulation accuracy of the current wireless network planning simulation result.
In another aspect, the present invention further provides a verification system for simulation results of wireless network planning, where the system includes:
the system comprises a network coverage abnormal area acquisition module, a network coverage abnormal area determination module and a network coverage abnormal area determination module, wherein the network coverage abnormal area comprises a plurality of single areas with different network coverage states according to a wireless network planning simulation diagram obtained through wireless network planning simulation;
the verification line drawing module is used for drawing a verification line in the network coverage abnormal area, and the verification line passes through at least two single areas;
the network coverage correlation coefficient acquisition module is used for acquiring the path loss value and the network coverage value of each grid on the verification line and determining a network coverage correlation coefficient according to the path loss value and the network coverage value of each grid on the verification line;
and the correlation coefficient verification module is used for verifying whether the simulation result of the network coverage abnormal area in the wireless network planning simulation diagram is accurate or not according to the network coverage correlation coefficient.
Further, the network coverage abnormal area obtaining module includes:
the wireless network planning simulation diagram acquisition unit is used for performing wireless network planning simulation on a target area to obtain a wireless network planning simulation diagram;
and the network coverage abnormal area acquisition unit is used for dividing the area of network signal sudden drop or fluctuation in the wireless network planning simulation diagram into the network coverage abnormal area.
Further, the system further comprises:
the distribution relation verification module is used for acquiring a distribution relation graph of the verification line and verifying the simulation result of the network coverage abnormal area according to the distribution relation graph;
wherein, the distribution relation graph comprises the corresponding relation between the altitude and the distance of the verification line.
According to the technical scheme, the verification method and the system for the simulation result of the wireless network planning are characterized in that the verification method determines the area with abnormal network coverage according to the wireless network planning simulation diagram obtained through the wireless network planning simulation; drawing a verification line in the network coverage abnormal area, wherein the verification line passes through at least two single areas; acquiring a path loss value and a network coverage value of each grid on a verification line, and determining a network coverage correlation coefficient according to the path loss value and the network coverage value of each grid on the verification line; and verifying whether the simulation result of the network coverage abnormal area in the wireless network planning simulation diagram is accurate or not according to the network coverage correlation coefficient. The verification system comprises a network coverage abnormal area acquisition module, a verification line drawing module, a network coverage correlation coefficient acquisition module and a correlation coefficient verification module. The method and the device can perform double verification on the wireless network planning simulation result, quickly and reliably judge the accuracy of the wireless network planning simulation result, and improve the accuracy of the verification result.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic flowchart of a specific implementation of a method for verifying a simulation result of a wireless network planning in a first embodiment of the present invention;
FIG. 2 is a flowchart illustrating a step 100 of the verification method according to a second embodiment of the present invention;
FIG. 3 is a flowchart illustrating a step 500 of the authentication method according to a third embodiment of the present invention;
FIG. 4 is a flowchart illustrating a step 300 of the authentication method according to a fourth embodiment of the present invention;
FIG. 5 is a flow chart illustrating step 400 of the verification method according to a fifth embodiment of the invention;
fig. 6 is a distribution relation diagram in a verification method of a wireless network planning simulation result of an application example of the present invention;
fig. 7 is a schematic structural diagram of a verification system of a simulation result of a wireless network planning in a sixth embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a specific implementation mode of a verification method of a wireless network planning simulation result. Referring to fig. 1, the verification method specifically includes the following steps:
step 100: and determining the area with abnormal network coverage according to the wireless network planning simulation graph obtained by the wireless network planning simulation.
In this step, a wireless network planning simulation is performed on a target area to obtain a wireless network planning simulation result, and a wireless network planning simulation graph in the wireless network planning simulation result is judged to obtain a network coverage abnormal area, wherein the network coverage abnormal area comprises a plurality of single areas with different network coverage states, and the difference between network coverage reference values of at least one pair of adjacent single areas is greater than a preset abnormal threshold value, so that the area where the abnormal single area exists is determined to be the network coverage abnormal area, the single area is an area which is displayed in the wireless network planning simulation graph and represents a network coverage range and is represented by colors, and the network coverage reference values of each single area are different, so that the wireless network planning simulation graph presents obviously different colors.
Step 200: and drawing a verification line in the abnormal area of network coverage, wherein the verification line passes through at least two single areas.
In this step, a verification line is drawn in the network coverage abnormal area, and the length of the verification line is determined according to actual requirements, and the longer the length of the verification line is, the more grids in the map that the verification line passes through are indicated, and the more accurate the subsequent verification result is, in this example, the verification line can pass through 100 to 500 grids; in addition, the verification line needs to pass through at least two single areas, namely the verification line needs to pass through a boundary between the adjacent single areas; meanwhile, according to the requirement of actual verification precision, 2 or more verification lines can be drawn in the network coverage abnormal area so as to improve the verification precision.
Step 300: and acquiring the path loss value and the network coverage value of each grid on the verification line, and determining a network coverage correlation coefficient according to the path loss value and the network coverage value of each grid on the verification line.
Step 400: and verifying whether the simulation result of the network coverage abnormal area in the wireless network planning simulation diagram is accurate or not according to the network coverage related coefficient.
In steps 300 and 400, the network coverage correlation coefficient of the verification line is compared with a preset correlation coefficient threshold value, and the simulation accuracy of the current network coverage abnormal area is determined according to the comparison result, wherein the network coverage value may be an RSRP value.
From the above description, the embodiment of the invention can perform double verification on the wireless network planning simulation result, quickly and reliably judge the accuracy of the wireless network planning simulation result, and improve the accuracy of the verification result.
The accuracy and the reliability of the wireless network planning simulation are improved.
The second embodiment of the present invention provides a specific implementation manner of step 100 in the above-mentioned verification method. Referring to fig. 2, the step 100 specifically includes the following steps:
step 101: and performing wireless network planning simulation on the target area to obtain the wireless network planning simulation diagram.
Step 102: and dividing the area of network signal sudden drop or fluctuation in the wireless network planning simulation diagram into the area with abnormal network coverage.
As can be seen from the above description, the embodiment of the present invention determines the network coverage abnormal area according to the wireless network planning simulation diagram obtained through the wireless network planning simulation, thereby providing an accurate data basis for the subsequent verification.
The present invention also provides a specific implementation manner of the above-mentioned verification method including step 500. The step 500 may be performed before, after, or synchronously with the steps 300 and 400, and the step 500 specifically includes the following steps:
step 500: and acquiring a distribution relation diagram of the verification line, and verifying the simulation result of the network coverage abnormal area according to the distribution relation diagram.
In this step, the distribution relation graph includes a corresponding relation between the altitude and the distance of the verification line, the number and the adjacent intervals of the measurement points on the verification line are determined according to actual operation requirements, and the altitude and the distance values of all the measurement points are obtained; the measuring points can also be grids in a wireless network planning simulation diagram, and the distribution relation diagram comprises the corresponding relation between the altitude and the distance of the verification line.
From the above description, the embodiment of the present invention can provide the preliminary verification of the wireless network planning simulation result, and ensure the accuracy of the verification result.
The third embodiment of the present invention provides a specific implementation manner of step 500 in the verification method. Referring to fig. 3, the step 500 specifically includes the following steps:
step 501: and determining a plurality of grids passed by the verification line in the wireless network planning simulation diagram.
Step 502: and acquiring the altitude and distance values of each grid passed by the verification line in the wireless network planning simulation diagram.
Step 503: and drawing a distribution relation graph of the verification line according to the altitude and the distance value of all grids passed by the verification line.
Step 504: and matching the distribution relation graph with the network coverage condition of each grid through which the verification line passes, and verifying whether the simulation result of the network coverage abnormal area is accurate according to the matching result to obtain a primary verification result.
As can be seen from the above description, the embodiment of the present invention can perform a primary verification on the network coverage abnormal area according to the distribution relation diagram, that is, provide a primary verification on the wireless network planning simulation result, and improve the accuracy of the verification result together with a dual verification process formed by the subsequent secondary verification.
The fourth embodiment of the present invention provides a specific implementation manner of step 400 in the above-mentioned verification method. Referring to fig. 4, the step 400 specifically includes the following steps:
step 301: obtaining a path loss value and a network coverage value of each grid through which the verification line passes in a wireless network planning simulation process;
step 302: calculating to obtain a network coverage correlation coefficient r of the verification line according to the path loss value, the network coverage value and a formula I of each grid through which the verification line passesxy：
In the formula I, N is the number of grids through which the verification lines pass; xiThe path loss value of each grid passed by the verification line is obtained;
the average value of the path loss values of the grids passed by the verification line is obtained; y isiNetwork coverage values for each grid through which the verification line passes;
is the average of the network coverage values for each grid through which the verification line passes.
From the above description, the embodiment of the invention can accurately obtain the network coverage correlation coefficient of the verification line, and improve the accurate data base for the subsequent secondary verification.
Embodiment five of the present invention provides a specific implementation manner of step 400 in the above-mentioned verification method. Referring to fig. 5, the step 400 specifically includes the following steps:
step 401: comparing the network coverage correlation coefficient of the verification line with a preset correlation coefficient threshold value;
if the network coverage correlation coefficient of the verification line is greater than the preset correlation coefficient threshold value, entering step 402; otherwise step 403 is entered.
Step 402: and judging that the simulation result of the network coverage abnormal area is accurate.
Step 403: and judging that the simulation result of the network coverage abnormal area is wrong.
Step 404: and generating a secondary verification result according to the judgment result.
From the above description, the embodiment of the invention can perform secondary verification on the wireless network planning simulation result, and improve the accuracy of the verification result.
The invention also provides a specific implementation mode of the step 600 in the verification method. After all the above steps are executed in step 600, the step 600 specifically includes the following steps:
step 600: and combining the primary verification result and the secondary verification result to judge the simulation accuracy of the current wireless network planning simulation result.
From the above description, the primary verification and the secondary verification in the embodiment of the present invention constitute a double verification process, so that the accuracy of the verification result is improved. To further explain the scheme, the present invention further provides a specific example of a verification method for a simulation result of a wireless network planning, where the verification method specifically includes the following steps:
taking RSRP planning simulation in an LTE network as an example, a specific application example is to set a starting point and a terminal in an RSRP abnormal area, and draw an altitude distribution relation graph along a direction from the starting point to the terminal. Calculating the path loss and the RSRP correlation coefficient from the starting point to each point of the end point, and setting a correlation coefficient threshold to judge whether the RSRP distribution is reasonable.
The method comprises the following specific steps:
1) configuring initial parameters, and performing primary simulation to obtain a Reference Signal Received Power (RSRP) result;
2) setting a starting point and a terminal in the RSRP abnormal area;
3) drawing a distribution relation graph of the altitude and the distance along the direction from the starting point to the end point, wherein the distribution relation graph is shown in fig. 6, and qualitatively analyzing whether the RSRP is reasonable or not according to the altitude trend;
4) and setting a correlation coefficient threshold, calculating the correlation coefficient of each grid path loss and the RSRP in the direction from the starting point to the end point, and judging that the RSRP is reasonably distributed when the correlation coefficient is greater than or equal to the threshold value. The correlation coefficient calculation formula is as follows:
in the formula I, N is the number of grids through which the verification lines pass; xiThe path loss value of each grid passed by the verification line is obtained;
the average value of the path loss values of the grids passed by the verification line is obtained; y isiNetwork coverage values for each grid through which the verification line passes;
smoothing of network coverage values for each grid through which a verification line passesAnd (4) average value.
As can be seen from the above description, in the specific example of the present invention, the starting point and the terminal are set in the RSRP abnormal region, the path loss and the RSRP correlation coefficient of each grid from the starting point to the terminal are calculated, and the RSRP distribution rationality is analyzed according to the correlation coefficient threshold; and setting a starting point and a terminal in the RSRP abnormal area, drawing an altitude trend graph along the direction from the starting point to the terminal point, and visually and qualitatively analyzing the RSRP rationality by combining the RSRP values of the grids.
The sixth embodiment of the present invention provides a specific implementation manner of a verification system for a wireless network planning simulation result, which can implement the verification method. Referring to fig. 7, the verification system specifically includes the following:
the network coverage abnormal area obtaining module 10 is configured to determine a network coverage abnormal area according to a wireless network planning simulation diagram obtained through wireless network planning simulation, where the network coverage abnormal area includes a plurality of single areas with different network coverage states.
In this module, the network coverage abnormal area obtaining module 10 includes:
and the wireless network planning simulation diagram obtaining unit 11 is used for performing wireless network planning simulation on the target area to obtain the wireless network planning simulation diagram.
A network coverage abnormal region obtaining unit 12, configured to divide a region where a network signal in the wireless network planning simulation graph suddenly drops or fluctuates into the network coverage abnormal region.
And the verification line drawing module 20 is used for drawing a verification line in the network coverage abnormal area, wherein the verification line passes through at least two single areas.
And a network coverage correlation coefficient obtaining module 30, configured to obtain the path loss value and the network coverage value of each grid on the verification line, and determine a network coverage correlation coefficient according to the path loss value and the network coverage value of each grid on the verification line.
And the correlation coefficient verification module 40 is configured to verify whether the simulation result of the network coverage abnormal area in the wireless network planning simulation diagram is accurate according to the network coverage correlation coefficient.
The distribution relation verification module 50 is configured to obtain a distribution relation diagram of the verification line, and verify a simulation result of the network coverage abnormal area according to the distribution relation diagram; wherein, the distribution relation graph comprises the corresponding relation between the altitude and the distance of the verification line.
As can be seen from the above description, the embodiment of the present invention can perform double verification on the wireless network planning simulation result, can quickly and reliably judge the accuracy of the wireless network planning simulation result, and improves the accuracy of the verification result.
The above examples are only for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. A verification method for a wireless network planning simulation result is characterized by comprising the following steps:
determining a network coverage abnormal area according to a wireless network planning simulation diagram obtained through wireless network planning simulation, wherein the network coverage abnormal area comprises a plurality of single areas with different network coverage states;
drawing a verification line in the abnormal area of the network coverage, wherein the verification line passes through at least two single areas and is drawn according to the altitude and the distance value of a grid in the wireless network planning simulation diagram;
acquiring a path loss value and a network coverage value of each grid on the verification line, and determining a network coverage correlation coefficient according to the path loss value and the network coverage value of each grid on the verification line, wherein the method specifically comprises the following steps:
acquiring a path loss value and a network coverage value of each grid through which the verification line passes, wherein the path loss value and the network coverage value are obtained in a wireless network planning simulation process;
calculating to obtain a network coverage correlation coefficient r of the verification line according to the path loss value, the network coverage value and a formula I of each grid through which the verification line passesxy：
Wherein N is the number of grids passed by the verification line; xiThe path loss value of each grid passed by the verification line is obtained;
the average value of the path loss values of the grids passed by the verification line is obtained; y isiNetwork coverage values for each grid through which the verification line passes;
the average value of the network coverage values of the grids passed by the verification line;
and verifying whether the simulation result of the network coverage abnormal area in the wireless network planning simulation diagram is accurate according to the network coverage correlation coefficient, which specifically comprises the following steps:
comparing the network coverage correlation coefficient of the verification line with a preset correlation coefficient threshold value;
if the network coverage correlation coefficient of the verification line is larger than a preset correlation coefficient threshold value, judging that the simulation result of the network coverage abnormal area is accurate; otherwise, judging that the simulation result of the network coverage abnormal area is wrong;
and generating a second verification result according to the judgment result.
2. The method of claim 1, wherein the determining the abnormal area of network coverage according to the wireless network planning simulation graph obtained by the wireless network planning simulation comprises:
performing wireless network planning simulation on a target area to obtain a wireless network planning simulation diagram;
and dividing the area of sudden drop or fluctuation of the network signals in the wireless network planning simulation diagram into the area with abnormal network coverage.
3. The method of claim 1, further comprising:
and acquiring a distribution relation graph of the verification line, and verifying the simulation result of the network coverage abnormal area according to the distribution relation graph, wherein the distribution relation graph comprises the corresponding relation between the altitude and the distance of the verification line.
4. The method according to claim 3, wherein the obtaining the distribution relation graph of the verification line and verifying the simulation result of the network coverage abnormal area according to the distribution relation graph comprises:
determining a plurality of grids passed by the verification line in the wireless network planning simulation diagram;
acquiring the altitude and distance values of each grid through which the verification line passes in the wireless network planning simulation diagram;
drawing a distribution relation graph of the verification line according to the altitude and the distance value of all grids passed by the verification line;
and matching the distribution relation graph with the network coverage condition of each grid through which the verification line passes, and verifying whether the simulation result of the network coverage abnormal area is accurate according to the matching result to obtain a first verification result.
5. The method of claim 4, further comprising:
and combining the first verification result and the second verification result to judge the simulation accuracy of the current wireless network planning simulation result.
6. A system for verifying simulation results of wireless network planning, the system comprising:
the system comprises a network coverage abnormal area acquisition module, a network coverage abnormal area determination module and a network coverage abnormal area determination module, wherein the network coverage abnormal area comprises a plurality of single areas with different network coverage states according to a wireless network planning simulation diagram obtained through wireless network planning simulation;
the verification line drawing module is used for drawing a verification line in an abnormal network coverage area, the verification line passes through at least two single areas, and the verification line is drawn according to the altitude and distance values of a grid in a wireless network planning simulation diagram;
a network coverage correlation coefficient obtaining module, configured to obtain a path loss value and a network coverage value of each grid on the verification line, and determine a network coverage correlation coefficient according to the path loss value and the network coverage value of each grid on the verification line, where the network coverage correlation coefficient obtaining module specifically functions as:
acquiring a path loss value and a network coverage value of each grid through which the verification line passes, wherein the path loss value and the network coverage value are obtained in a wireless network planning simulation process;
calculating to obtain a network coverage correlation coefficient r of the verification line according to the path loss value, the network coverage value and a formula I of each grid through which the verification line passesxy：
Wherein N is the number of grids passed by the verification line; xiThe path loss value of each grid passed by the verification line is obtained;
the average value of the path loss values of the grids passed by the verification line is obtained; y isiNetwork coverage values for each grid through which the verification line passes;
the average value of the network coverage values of the grids passed by the verification line;
a correlation coefficient verification module, configured to verify whether a simulation result of a network coverage abnormal area in the wireless network planning simulation graph is accurate according to the network coverage correlation coefficient, where the correlation coefficient verification module is specifically configured to:
comparing the network coverage correlation coefficient of the verification line with a preset correlation coefficient threshold value;
if the network coverage correlation coefficient of the verification line is larger than a preset correlation coefficient threshold value, judging that the simulation result of the network coverage abnormal area is accurate; otherwise, judging that the simulation result of the network coverage abnormal area is wrong;
and generating a second verification result according to the judgment result.
7. The system of claim 6, wherein the network coverage abnormal area obtaining module comprises:
the wireless network planning simulation diagram acquisition unit is used for performing wireless network planning simulation on a target area to obtain a wireless network planning simulation diagram;
and the network coverage abnormal area acquisition unit is used for dividing the area of network signal sudden drop or fluctuation in the wireless network planning simulation diagram into the network coverage abnormal area.
8. The system of claim 6, further comprising:
the distribution relation verification module is used for acquiring a distribution relation graph of the verification line and verifying the simulation result of the network coverage abnormal area according to the distribution relation graph;
wherein, the distribution relation graph comprises the corresponding relation between the altitude and the distance of the verification line.
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| CN102752790A (en) * | 2011-04-21 | 2012-10-24 | 中国移动通信集团湖南有限公司 | Method and device for determining wireless network coverage rate |
| CN104010320A (en) * | 2011-04-21 | 2014-08-27 | 中国移动通信集团湖南有限公司 | Method and device for determining wireless network coverage rate |
| CN103281710A (en) * | 2013-05-15 | 2013-09-04 | 广州天越电子科技有限公司 | Method for realizing indoor and outdoor multi-system networking interference emulation |
| CN105828342A (en) * | 2015-01-06 | 2016-08-03 | 中国移动通信集团黑龙江有限公司 | Method and device for confirming neighboring relation |
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