CN104010320B - Determine the method and apparatus of wireless network coverage rate - Google Patents
Determine the method and apparatus of wireless network coverage rate Download PDFInfo
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- CN104010320B CN104010320B CN201410230879.9A CN201410230879A CN104010320B CN 104010320 B CN104010320 B CN 104010320B CN 201410230879 A CN201410230879 A CN 201410230879A CN 104010320 B CN104010320 B CN 104010320B
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Abstract
The embodiment of the present invention provides the method and apparatus for determining wireless network coverage rate.This method is：For the network coverage assessment area for being divided into several grids, acquisition advances with the corresponding wireless network parameter simulation value of each grid that emulation of coverage capability mode emulates；Determine the scene belonging to each grid；According to the scene of setting and the scene belonging to the correspondence of covering weight and each grid of determination, the corresponding covering weight of each grid is determined；In each grid, determine that wireless network covering meets each grid that covering requires；According to the determining corresponding covering weight of each grid, ratio of the sum of the covering weight of each grid for meeting that covering requires with the sum of covering weight of all grids in the network coverage assessment area is covered according to wireless network, determines the wireless network coverage rate of the network coverage assessment area.It can reach the purpose for the accuracy for improving the wireless network coverage rate obtained using emulation of coverage capability method using this method.
Description
The present patent application be the applying date be on 04 21st, 2011, application No. is 201110100504.7, it is entitled "
Determine the method and apparatus of wireless network coverage rate " patent application divisional application.
Technical field
The present invention relates to mobile communication field more particularly to a kind of method and apparatus of determining wireless network coverage rate.
Background technology
Wireless network coverage evaluating is wireless network coverage planning and the important process content during coverage optimization, is to protect
Demonstrate,prove the most basic work of wireless network performance.Accurate wireless network coverage evaluating result can accurately instruct wireless network
Coverage planning or coverage optimization improve the performance of wireless network, conversely, the larger wireless network coverage evaluating result of deviation can be led
It causes coverage planning or coverage optimization result to be runed counter to practical expectation, cannot achieve the effect that improve wireless network performance.
Currently, TD-SCDMA wireless networks coverage evaluating is carried out according to wireless network coverage rate, mainly have as follows
Two methods：
The first, using the method for road test, that is, use road measuring device simulated roadway on user call, to each measurement
The corresponding wireless network relevant information of point measures and records measurement result, judges the wireless network in each measurement point of road
Whether covering, which meets calling, requires, and by calculating coverage rate of the wireless network on road, (wireless network covering meets calling and wants
The ratio of the measurement point number asked and the number of all measurement points on road), to the wireless network coverage condition on road
It is assessed.
The shortcomings that carrying out TD-SCDMA wireless network coverage evaluatings by the method for road test be, not due to this method
User's calling in energy Middle Frequency for Simulated Surface Target (such as residential block, colleges and universities and shopping centre etc.), therefore, road test method can not determine
Wireless network coverage rate on Area Objects, and in fact, a large amount of user is the business that generated on Area Objects, on statistics Area Objects
Wireless network coverage rate be very important, therefore the obtained nothing of road test method of special scenes (road) can only be directed to
The line network coverage be it is unilateral, inaccurate, the wireless network assessment result thus caused be also it is unilateral, inaccurate,
Wireless network coverage planning or coverage optimization are carried out according to the wireless network coverage evaluating result obtained using road test method,
The requirement for promoting wireless network performance cannot be reached.
Second, using the method for emulation of coverage capability, it would be desirable to which carrying out the region of wireless network coverage evaluating, (network coverage is commented
Estimate region) multiple subregions are divided into, it is calculated according to network engineering parameter and propagation model every in network coverage assessment area
The level and interference value of sub-regions, level is compared with interference value is to judge that the wireless network in the subregion covers
No to disclosure satisfy that call requires, by calculating wireless network, in the coverage rate of network coverage assessment area, (wireless network covers full
The ratio of the number and network coverage assessment area whole subregion number of the subregion that foot call requires), it realizes to wireless network
Assessment of the network in the coverage condition of network coverage assessment area.
As shown in Figure 1, carrying out wireless network coverage evaluating using the method for emulation of coverage capability specifically includes following steps：
Step 101, by network coverage assessment area according to some scale, such as 5 meters * 5 meters, be divided into multiple grids (son
Region), convenient for subsequently carrying out wireless network covering analyzing to each grid.
Step 102, Primary Common Control Physical Channel field strength (PCCPCH_RSCP, the Primary for calculating each grid
Common Control Physical Channel Received Signal Code Power) believe with primary common control physical
Road Carrier interference ratio (PCCPCH_C/I, Primary Common Control Physical Channel Carrier-to-
Interference ratio)。
The PCCPCH RSCP of each grid, PCCPCH C/I are compared with set thresholding by step 103 respectively,
To PCCPCH RSCP>RSCP_THRESHOLD (preset PCCPCH_RSCP thresholdings), and the PCCPCH C/I of the grid>
When C/I_THRESHOLD (preset PCCPCH_C/I thresholdings), it is determined that the wireless network covering in the grid meets logical
Words require, and otherwise determine that the wireless network covering in the grid is unsatisfactory for call and requires.
Step 104, basis " wireless network coverage rate=(grid number/network that wireless network covering satisfaction call requires
All grid numbers in coverage evaluating region) * 100% " wireless network coverage rate is calculated, according to wireless network coverage rate to net
The wireless network coverage condition in network coverage evaluating region is assessed, and wireless network coverage rate is higher, is assessed the network coverage
The wireless network coverage evaluating result in region is better.
It is using the shortcomings that emulation of coverage capability method progress TD-SCDMA wireless network coverage evaluatings：
1, the precision of the parameter for carrying out wireless network coverage evaluating obtained using emulation of coverage capability method is relatively low, because
This, the wireless network coverage rate determined using the parameter is inaccurate, and wireless network coverage evaluating result is necessarily not yet
Accurately, wireless network coverage planning or coverage optimization are carried out according to the wireless network coverage evaluating result, it is impossible to reach and carry
Rise the requirement of wireless network performance.
2, distribution of the business (user) under different scenes, the covering in whole network coverage evaluating region are not fully considered
In evaluation process, the low traffic scene (scene corresponds at least one grid marked off) of no or a small amount of user's communication,
Such as water surface, wetland and the high traffic scene for having more user's communication, such as residential block, the covering requirement of shopping centre and important journey
Spend it is identical, and in fact, under low traffic scene, since number of users and number of services are fewer, the covering of wireless network
It is required that the covering requirement for the wireless network that should be obviously less than under high traffic scene, i.e. wireless network covering should preferentially meet height
The wireless network covering of traffic scene requires, and since no matter whether low traffic scene under wireless network covering, all will not
Prodigious influence is caused on user, high traffic scene should be also less than to wireless network to the significance level of wireless network coverage evaluating
The significance level of network coverage evaluating, that is, the importance for meeting the wireless network covering of high traffic scene are higher than and meet low traffic field
The importance of the wireless network covering of scape.During existing determining wireless network coverage rate, by low traffic scene and height
The wireless network covering of traffic scene requires and is set as identical to the importance of wireless network coverage evaluating, will to determine
Wireless network coverage rate result it is inaccurate, cause the covering of later stage wireless network according to assessment result carry out network coverage planning or
When coverage optimization works, the covering of high traffic scene can be sacrificed to meet the covering of low traffic scene, cannot reach promotion
The requirement of network performance.
Basis of the wireless network coverage rate as wireless network coverage evaluating, the decision accuracy of wireless network coverage rate are got over
The precision of height, the wireless network coverage evaluating result determined according to wireless network coverage rate is also higher, therefore, in order to improve nothing
The precision of gauze network coverage evaluating is highly desirable to introduce a kind of side for the decision accuracy that can improve wireless network coverage rate
Case.
Invention content
The embodiment of the present invention provides the method and apparatus for determining wireless network coverage rate, obtains for solving the prior art
Wireless network coverage rate result is unilateral, inaccurate, leads to the problem of wireless network coverage evaluating result inaccuracy.
A kind of method of determining wireless network coverage rate, this method include：
For the network coverage assessment area for being divided into several grids, acquisition advances with road test mode and measures
The obtained corresponding wireless network parameter measured value of each measurement point, and obtain and advance with what emulation of coverage capability mode emulated
The corresponding wireless network parameter simulation value of each grid；
Determine each grid for falling measurement point；
For each grid determined, each survey for selecting the grid to include in the wireless network parameter measured value of acquisition
The corresponding wireless network parameter measured value of amount point；And
The wireless network parameter simulation value of the correspondence of the acquisition grid is replaced using the measured value of selection；
Using being replaced each grid of simulation value and not being replaced each grid of simulation value, determine that the network covers
The wireless network coverage rate of lid assessment area.
A kind of equipment of determining wireless network coverage rate, the equipment include：
Measurement result determining module, for for the network coverage assessment area for being divided into several grids, obtaining pre-
The corresponding wireless network parameter measured value of each measurement point obtained first with road test mode measurement；
Simulation value determining module, for for the network coverage assessment area for being divided into several grids, obtaining
Advance with the corresponding wireless network parameter simulation value of each grid that emulation of coverage capability mode emulates；
Integration module, for determining each grid for falling measurement point；
Parameter measurements determining module, for for each grid determined, being surveyed in the wireless network parameter of acquisition
The corresponding wireless network parameter measured value of each measurement point that the grid includes is selected in magnitude；
Replacement module, for utilizing the wireless network parameter of the correspondence of measured value replacement acquisition of the selection grid imitative
True value；
Coverage rate determining module is replaced each grid of simulation value for utilization and is not replaced each of simulation value
Grid determines the wireless network coverage rate of the network coverage assessment area.
A kind of method of determining wireless network coverage rate, the method includes：
For the network coverage assessment area for being divided into several grids, acquisition advances with emulation of coverage capability mode and emulates
The obtained corresponding wireless network parameter simulation value of each grid；
Determine the scene belonging to each grid；
According to the scene of setting and the scene belonging to the correspondence of covering weight and each grid of determination, each grid are determined
The corresponding covering weight of lattice；
In each grid, determine that wireless network covering meets each grid that covering requires；
According to the determining corresponding covering weight of each grid, each grid for meeting covering and requiring are covered according to wireless network
The ratio of the sum of covering weight of lattice and the sum of covering weight of all grids in the network coverage assessment area, determine described in
The wireless network coverage rate of network coverage assessment area.
A kind of equipment of determining wireless network coverage rate, the equipment include：
Simulation value determining module, for for the network coverage assessment area for being divided into several grids, obtaining advance
The corresponding wireless network parameter simulation value of each grid emulated in the way of emulation of coverage capability；
Grid scene determining module, for determining the scene belonging to each grid；
Weight determination module, for according to the scene and the correspondence of covering weight of setting and each grid institute of determination
The scene of category determines the corresponding covering weight of each grid；
Covering judgment module, in each grid, determining that wireless network covering meets each grid that covering requires；
Ratio determining module, for according to the determining corresponding covering weight of each grid, being covered according to wireless network
Meet covering weight of the sum of the covering weight of each grid that covering requires with all grids in the network coverage assessment area
The sum of ratio, determine the wireless network coverage rate of the network coverage assessment area.
Road test method and emulation of coverage capability method are effectively combined by scheme provided in an embodiment of the present invention, are being fallen
The grid of measurement point replaces a part of emulation of coverage capability method using the wireless network parameter measurement result that road test method obtains
Obtained wireless network parameter simulation value, and utilize the wireless network parameter simulation value after being replaced and be not replaced wireless
Network parameter simulation value determines the wireless network coverage rate of the network coverage assessment area, to higher by using accuracy
Wireless network parameter measurement result replace the lower wireless network parameter simulation value of accuracy, improve profit to a certain extent
With the accuracy for the wireless network coverage rate that emulation of coverage capability method obtains, meanwhile, it also overcomes and is obtained using road test method
Unilateral, the inaccurate problem of wireless network coverage rate；Alternatively, according to each scene in network coverage assessment area to wireless network
The importance of coverage evaluating covers weight for each scene setting, and the scene belonging to grid determines the corresponding covering power of grid
Weight is determined wireless network coverage rate in conjunction with covering weight, is covered to improve the wireless network obtained using emulation of coverage capability method
The accuracy of lid rate.
Description of the drawings
Fig. 1 is the step flow chart that the method for using emulation of coverage capability in the prior art carries out wireless network coverage evaluating；
Fig. 2 is a kind of step flow chart of the method for determining wireless network coverage rate that the embodiment of the present invention one provides；
Fig. 3 is a kind of step flow chart of the method for determining wireless network coverage rate provided by Embodiment 2 of the present invention；
Fig. 4 (a) is a kind of structural schematic diagram of the equipment for determining wireless network coverage rate that the embodiment of the present invention three provides；
Fig. 4 (b) is a kind of structural schematic diagram of the equipment for determining wireless network coverage rate that the embodiment of the present invention three provides；
Fig. 4 (c) is a kind of structural schematic diagram of the equipment for determining wireless network coverage rate that the embodiment of the present invention three provides；
Fig. 4 (d) is a kind of structural schematic diagram of the equipment for determining wireless network coverage rate that the embodiment of the present invention three provides；
Fig. 5 is a kind of step flow chart of the method for determining wireless network coverage rate that the embodiment of the present invention four provides；
Fig. 6 is a kind of structural schematic diagram of the equipment for determining wireless network coverage rate that the embodiment of the present invention five provides.
Specific implementation mode
It is provided in an embodiment of the present invention for the relatively low problem of the wireless network coverage rate accuracy obtained in the prior art
In scheme by wireless network coverage evaluating region division be multiple grids, determined according to the wireless network coverage condition of each grid
The wireless network coverage condition in entire wireless network coverage evaluating region, and be related to following three kinds and improve the wireless network determined
The mode of coverage rate accuracy：
The first, road test method combined with emulation of coverage capability method, utilize the higher wireless network parameter of accuracy
Measurement result replaces a part of lower wireless network parameter simulation value of accuracy, by combining the higher wireless network of accuracy
Parameter value improves the accuracy for the wireless network coverage rate determined to determine wireless network coverage rate.
Second, it is each field according to each scene in network coverage assessment area to the importance of wireless network coverage evaluating
Scape setting covering weight, e.g., for the fewer scene of number of users and number of services, no matter whether the scene is in wireless
Under the network coverage, prodigious influence will not be all caused on user, therefore influence of the scene to wireless network coverage evaluating is smaller,
It can be the relatively small covering weight of the scene setting, and can be that number of users and the more scene of business datum are set
Set relatively large covering weight, the influence that different scenes assesses the network coverage embodied with this, subsequently determine it is wireless
When the network coverage, the scene belonging to grid determines the corresponding covering weight of grid, is determined in conjunction with covering weight wireless
The network coverage, to improve the accuracy for the wireless network coverage rate determined.
The covering weight refers to, according to each scene to the significance level of wireless network coverage evaluating, for the scene settings
Weighted value, which is a relative value, that is, be arranged the first scene covering weight be 5, the covering weight of the second scene
It is 2, the covering weight with the first scene of setting is 10, and it is identical meaning that the covering weight of the second scene, which is 4, indicates first
Scene is to 2.5 times that the significance level of wireless network coverage evaluating is the second scene.
The third, covered and require according to the wireless network of scene, for the scene corresponding wireless network parameter, thresholding is set
Value, such as the fewer scene of number of users and number of services, the requirement which covers wireless network is relatively low, can
Think that lower threshold value is arranged in the corresponding wireless network parameter of the scene, and is that number of users and number of services are more
Higher threshold value is arranged in the corresponding wireless network parameter of scene, subsequently when determining wireless network coverage rate, according to grid institute
The scene of category, judges whether the corresponding wireless network parameter of grid reaches the threshold value of setting to determine the wireless network in the grid
Whether network covering meets the requirements, so as to judge under the scene (in the grid) for the demand of different scenes (grid)
Whether wireless network covering meets the requirements, and achievees the purpose that improve the wireless network coverage rate accuracy determined.
It can be covered using at least one of described three kinds of modes to improve the wireless network determined in the present invention program
The accuracy of lid rate.
Technical solution of the present invention is described in detail with each embodiment with reference to the accompanying drawings of the specification.
Embodiment one,
The embodiment of the present invention one provides a kind of method of determining wireless network coverage rate, step flow such as Fig. 2 of this method
It is shown, specifically include following steps：
Step 201 determines measurement result and simulation value.
In this step, it can be directed to the network coverage assessment area for being divided into several grids, acquisition advances with
The measurement result for the corresponding wireless network parameter of each measurement point that drive test method for testing obtains, and obtain and advance with emulation of coverage capability
The simulation value for the corresponding wireless network parameter of each grid that method obtains.Specifically, measurement result and simulation value can lead to respectively
Carry out road test and emulation of coverage capability operation are crossed to determine.
The wireless network parameter can be PCCPCH_RSCP and PCCPCH_C/I.
Step 202 determines each grid for falling measurement point.
In this step, the measurement point obtained using road test method can be divided into the measurement point position institute
In the grid of category, so that it is determined that falling each grid of measurement point, that is, the grid being located on road is determined.
In this step it is possible that the measurement point that some is mistakenly in A grids (on road) edge is divided into reality
In border and B grids (being not on road) not comprising measurement point, it will cause subsequently with the wrong measurement point for being divided into B grids
Measurement result replace practical and not comprising measurement point the corresponding simulation value of B grids therefore preferably, can be in this step
The number that middle determination falls measurement point in measurement point and the grid is more than each grid for setting thresholding so that the grid determined
Case is improved in the probability of road, and the measurement result replacement to reduce the measurement point that later use is located at road is not on
The problem of grid on road corresponding simulation value.
Step 203 is directed to each wireless network parameter, obtains the corresponding wireless network parameter measurement result of measurement point.
After the measurement point that road test is obtained carries out rasterizing processing, grid pass corresponding with measurement point can be established
System, and it can be directed to the corresponding each wireless network parameter of grid, determine the wireless network of measurement point corresponding with the grid
Parameter measurements.
Step 204, the simulation value that the corresponding wireless network parameter of the grid is replaced using the measurement result of acquisition.
In this step, the corresponding wireless network of the grid is replaced using the measurement result obtained in step 203
The simulation value of parameter e.g. can replace the grid there are many method using maximum measurement result in the measurement result of acquisition
The simulation value of the corresponding wireless network parameter of lattice replaces the grid using measurement result minimum in the measurement result of acquisition
The simulation value of the corresponding wireless network parameter of lattice, or a measurement is determined from the measurement result using other methods
As a result the simulation value etc. of the corresponding wireless network parameter of the grid is replaced, and preferably, in order to enable for replacing emulation
The measurement result of value can more preferably, more fully reflect the attribute of the corresponding wireless network parameter of the grid, can utilize and obtain
The average value of the measurement result replace the simulation value of the corresponding wireless network parameter of the grid.
Step 205 determines wireless network coverage rate.
In this step, joined using the simulation value of the wireless network parameter after being replaced and the wireless network not being replaced
Several simulation values determines the wireless network coverage rate of the network coverage assessment area.
Specifically, corresponding wireless network can be determined according to the wireless network parameter threshold value for the unified setting of each grid
The simulation value (after being replaced or be not replaced) of network parameter is more than the grid of setting threshold value, so that it is determined that wireless network covers
Lid meets the grid that covering requires, and meets the grid number that covering requires using wireless network covering and assess area with the network coverage
The ratio of all grid numbers in domain, to determine the wireless network coverage rate of the network coverage assessment area.
Step 201~step 205 replaces part essence by using the higher wireless network parameter measurement result of accuracy
The lower wireless network parameter simulation value of exactness, improves the accuracy for the wireless network coverage rate determined, at the same time it can also
Further wireless network parameter simulation value is replaced using the average value of wireless network parameter measurement result so that imitative for replacing
The measurement result of true value can more preferably, more fully reflect the attribute of the corresponding wireless network parameter of grid, and reach and further carry
The purpose of the accuracy for the wireless network coverage rate that height is determined.
Other than the method in conjunction with the higher wireless network parameter of precision to determine wireless network coverage rate, it can also lead to
It crosses as the corresponding covering weight of each scene settings in wireless network coverage evaluating region, reaches the nothing for further increasing and determining
The purpose of line network coverage accuracy.
Step 205 specifically includes：
Step 2051 determines scene belonging to each grid.
Determine that the scene belonging to grid determines the scene residing for grid.A kind of scene can be understood as according to geographical feature
Or a piece of communication zone that other modes define, the definition mode of scene are different, it is determined that the method for the scene belonging to each grid
It may be also different.In various embodiments of the present invention, by taking the scene of definition is the various scenes in road and electronic map as an example
It illustrates.
In this step, the scene belonging to grid that simulation value is replaced can be determined as road, and can be according to electricity
Scene information on sub- map determines the scene belonging to each grid that simulation value is not replaced.
The scene belonging to each grid that simulation value is not replaced is determined according to the scene information on electronic map, it is specific to wrap
It includes：
The position of the grid on the electronic map is determined according to the latitude and longitude information of grid, according to what is be arranged on electronic map
Scene information, if the position where the grid covers a kind of scene, the scene of grid position covering is the grid
Affiliated scene, otherwise, if the position where the grid covers several scenes, area is maximum in the scene which is covered
A kind of scene be determined as the scene belonging to the grid.
Area is most when the maximum scene of area is multiple in the scene of grid covering, in the scene which is covered
A kind of big scene is determined as the scene belonging to the grid and can be, but not limited to through following two modes：
The first, from the maximum multiple scenes of area arbitrarily selection one as the scene belonging to the grid.
Second, it is selected from the maximum multiple scenes of area identical with (or multiple) grid that the grid is neighbouring
Scene is as the scene belonging to the grid.
Step 2052, the covering weight for determining grid.
Grid is under certain scene, then the grid is identical as the scene to the importance of wireless network coverage evaluating, that is, grid
The covering weight of lattice is identical as the covering weight of the scene belonging to the grid.Therefore, according to the scene of setting and covering weight
Correspondence and the affiliated scene of grid, it may be determined that the corresponding covering weight of grid.
Step 2053 determines whether the network coverage of grid meets covering and require.
The grid can be determined when the corresponding each wireless network parameter simulation value of grid is all higher than the threshold value of setting
Wireless network covering meets covering and requires, otherwise, it determines the wireless network covering of the grid is unsatisfactory for covering and requires.
Step 2054 determines wireless network coverage rate.
The sum of covering weight of each grid for meeting that covering requires and network coverage assessment area are covered using wireless network
In the ratio of the sum of covering weight of all grids determine the wireless network coverage rate of the network coverage assessment area.
Step 205 is being refined as step 2051~2054, on the basis of determining the network coverage in conjunction with covering weight,
Can also be further, according to the difference of wireless network coverage evaluating region Scene, for scene settings wireless network parameter
Threshold value, to further increase the wireless network coverage rate accuracy determined.
Preferably, after step 2051, before step 2053, step 205 further includes step 2052 '：
Step 2052 ', determine the corresponding threshold value of each wireless network parameter in grid.
Grid is under certain scene, then the requirement that the grid covers wireless network is identical as the scene, that is, grid corresponds to
Each wireless network parameter threshold value be the grid belonging to scene correspond to setting each wireless network parameter threshold value.Cause
This, this step specifically includes：According to field belonging to the correspondence and grid of the scene of setting and wireless network parameter threshold value
Scape determines the corresponding threshold value of each wireless network parameter in grid.
At this point, being directed to each grid, it is more than the corresponding nothing of the grid in the corresponding wireless network parameter simulation value of the grid
When gauze network parameter threshold level, determine that the wireless network covering of the grid meets covering and requires, otherwise, it determines the grid is wireless
The network coverage is unsatisfactory for covering and requires.
This step 2052 ' be not limited to it is as shown in Figure 2 executed after step 2052, before step 2053, can also be
It is executed after step 2051, before step 2052.
In the scheme that embodiment one provides, it can also be not necessarily the corresponding covering weight of each scene setting, but combined
On the basis of method of the higher wireless network parameter of precision to determine wireless network coverage rate, according to wireless network coverage evaluating
The difference of region Scene, for the threshold value of scene settings wireless network parameter, when determining wireless network coverage rate, according to
Scene belonging to grid, judges whether the corresponding wireless network parameter of grid reaches the corresponding threshold value of the grid to determine the grid
Whether the wireless network covering in lattice meets the requirements, and meets the grid number and network that covering requires using wireless network covering
The ratio of all grid numbers in coverage evaluating region, to determine the wireless network coverage rate of the network coverage assessment area, to
Achieve the purpose that further increase the wireless network coverage rate accuracy determined.
Certainly, according to the difference of wireless network coverage evaluating region Scene, for scene settings wireless network parameter
Threshold value judges whether the corresponding wireless network parameter of grid reaches the threshold value of setting to the scene belonging to grid
Whether met the requirements to determine that the wireless network in the grid covers, and determines that the method for wireless network coverage rate can also be independent
For improving the wireless network coverage rate accuracy determined.
A scheme provided through the embodiment of the present invention, can not only improve the accurate of the wireless network coverage rate determined
Property, it can also overcome and determine unilateral sex chromosome mosaicism existing for wireless network coverage rate using road test method so that determine
Wireless network coverage rate can more fully reflect the wireless network coverage condition of network coverage assessment area, and by giving difference
Different covering weights and the method for thresholding is arranged in grid under scene so that the wireless network coverage rate determined can be preferably
Reflect that the wireless network of network coverage assessment area covers demand.
Below by a specific example, the wireless network parameter for determining wireless network coverage rate is
PCCPCH_RSCP and PCCPCH_C/I, and simultaneously by three kinds provided by the invention improve wireless network coverage rate in the way of be
Example, is described in detail the scheme of the embodiment of the present invention one.
Embodiment two,
Second embodiment of the present invention provides a kind of method of determining wireless network coverage rate, step flow such as Fig. 3 of this method
It is shown, specifically include following steps：
Step 301, acquisition advance with the PCCPCH_RSCP and PCCPCH_C/I that road test method obtains, and pre-
The PCCPCH_RSCP and PCCPCH_C/I obtained first with emulation of coverage capability method.
Acquisition advances with the PCCPCH_RSCP and PCCPCH_C/I that road test method obtains, and can be set using drive test
User's calling on standby simulated roadway, and each measurement point corresponding PCCPCH_RSCP and PCCPCH_C/I is measured and remembered
Record.
When acquisition advances with PCCPCH_RSCP and PCCPCH_C/I that emulation of coverage capability method obtains：
It is possible, firstly, to which network coverage assessment area to be divided to the grid of square, e.g., electronics according to the precision of electronic map
The precision of map is 5 meters, then the smallest dimension for the grid that can be divided is 5 meters * 5 meters.
It is then possible to determine PCCPCH_RSCP and PCCPCH_C/I according to network engineering parameter and propagation model, specifically
, in conjunction with antenna model the corresponding wireless network parameter of each grid can be calculated according to following formula：
PCCPCH_RSCP=PCCPCH transmission powers+broadcast antenna gain+other gain-propagation loss-buildings are worn
Damage-human body loss-cable loss-shadow fading value.
PCCPCH_C/I=(the most strong PCCCPH_RSCP of this grid)/(this grid with the other cell PCCPCH_RSCP of frequency it
With).
Step 302 carries out rasterizing processing to the measurement point that road test method obtains.
When the measurement point obtained to road test method carries out rasterizing processing, the method and step of grid division are carried out
The method that grid is divided when determining simulation value using the method for emulation of coverage capability in 301 is identical so that the grid obtained after division with
Determine that the grid obtained after being divided when simulation value is identical.
Step 303 determines each grid for falling measurement point.
Preferably, in this step, the number of measurement point in grid can be more than to the grid of 5 (setting values) as determination
The grid gone out.
Step 304 replaces the corresponding simulation value of grid using the average value of measurement result.
After determining the grid containing at least five measurement point, for each grid determined, the grid can be utilized
In the average value of measurement result of each measurement point replace the corresponding simulation value of the grid, specifically, can be true by following formula
Determine the average value of measurement result：
Wherein, PCCPCHRSCPAnd PCCPCHC/IIt indicates to fall the corresponding PCCPCH_ of each measurement point in some grid respectively
The average value of RSCP and PCCPCH_C/I measurement results, PCCPCH_RSCP (i) and PCCPCH_C/I (i) indicate to fall in institute respectively
The corresponding PCCPCH_RSCP and PCCPCH_C/I measurement results of ith measurement point in grid are stated, k is to fall in the grid
Measurement point number.
Step 305 determines scene belonging to each grid.
The grid that the grid and simulation value being replaced for simulation value are not replaced, determines the field belonging to each grid
Scape.Scene belonging to grid that simulation value is replaced is determined as road, and is determined according to the scene information on electronic map
The scene belonging to each grid that simulation value is not replaced.
The corresponding threshold value of each wireless network parameter in step 306, the covering weight for determining grid and grid.
Be arranged covering weight basic principle be：It is bigger to cover weight, shows shadow of the scene to wireless network coverage rate
Sound is bigger, conversely, then showing that influence of the scene to wireless network coverage rate is smaller.
The basic principle that threshold value is arranged is：Threshold value is lower, it is lower to show that the wireless network covering of the scene requires, instead
It, then it is higher to show that the wireless network covering of the scene requires, specifically, can be arranged according to the telephone traffic that scene carries
PCCPCH_RSCP thresholdings and PCCPCH_C/I thresholdings.
Since in embodiment, the scene belonging to grid may be road, or be the scene defined in electronic map, and
Scene on general electronic map includes following 13 type：The water surface (Water), marine site (Sea), wetland (Wet_land), suburb
Area's open field (Suburban_Open_Area), city open field (Urban_Open_Area), greenery patches (Green_
Land), forest (Forest), high building (High_Buildings), general common building object (Ordinary_Regular_
Buildings), parallel common building object (Paralle_Reqular_Buildings), irregular heavy construction
(Irregular_Large_Buildings), asymmetric buildings object (Irregular_Buildings) and suburb village
(Suburban_Village), scene, the corresponding PCCPCH_ of the scene (grid in the scene) can therefore, be established
The relationship of RSCP thresholdings, PCCPCH_C/I thresholdings and covering weight is as shown in table 1.Correspondence is not limited to shown in table 1
This step is established, and can also be to be established before this step.
Table 1
According to the scene belonging to table 1 and grid, it may be determined that the covering weight of grid.It such as, can be according to belonging to grid
Scene be greenery patches, determine that the covering weight of grid is 1, scene belonging to grid is suburb village, determines covering for grid
Lid weight is 2.
Grid can be determined respectively for PCCPCH_RSCP and PCCPCH_C/I according to the scene belonging to table 1 and grid
The corresponding PCCPCH_RSCP thresholdings of lattice and PCCPCH_C/I thresholdings.Such as, it can be greenery patches according to the scene belonging to grid, determine
The corresponding PCCPCH_RSCP thresholdings of grid and PCCPCH_C/I thresholdings are respectively -90 and -3.
Step 307 determines whether the network coverage of grid meets covering and require.
When grid corresponding PCCPCH_RSCP and PCCPCH_C/I is all higher than the thresholding determined within step 306, really
The wireless network covering of the fixed grid meets covering and requires, otherwise, it determines the wireless network covering of the grid is unsatisfactory for covering and wants
It asks.
It can indicate that the covering attribute of the grid, the covering attribute are used to characterize the nothing in the grid with a bit
The line network coverage whether meet covering require, can set the bit be 1, characterize the grid wireless network covering meet cover
It is required that set the bit as 0, the wireless network covering for characterizing the grid is unsatisfactory for covering and requires.
Step 308 determines wireless network coverage rate.
Using the wireless network covering determined in step 307 meet the sum of covering weight of grid that covering requires with
The ratio of the sum of covering weight of all grids in network coverage assessment area, to determine the wireless of the network coverage assessment area
The network coverage.
Specifically, wireless network coverage rate can be determined by following formula：
Wherein,
Coverage (i) represents the covering attribute of i-th of grid, and it is to indicate i-th of grid that coverage (i) values, which are 1,
In wireless network covering meet covering require, value be 0 be indicate i-th of grid in wireless network covering be unsatisfactory for covering
It is required that；
K (i) represents the covering weight of i-th of grid, and the covering weight is the scene belonging to i-th of grid come really
Fixed；
M is the number of grid in network coverage assessment area.
According to embodiments of the present invention one and embodiment two provide method, following equipment is provided.
Embodiment three,
The embodiment of the present invention three provides a kind of equipment of determining wireless network coverage rate, and the structural schematic diagram of the equipment is as schemed
Shown in 4 (a)~Fig. 4 (d), which specifically includes measurement result determining module 11, simulation value determining module 12, integration module
13, parameter measurements determining module 14, replacement module 15 and coverage rate determining module 16, wherein：
Measurement result determining module 11 is used to, for the network coverage assessment area for being divided into several grids, obtain pre-
The corresponding wireless network parameter measured value of each measurement point obtained first with road test mode measurement；Simulation value determining module 12
For for the network coverage assessment area for being divided into several grids, acquisition to advance with emulation of coverage capability mode and emulates
The obtained corresponding wireless network parameter simulation value of each grid；Integration module 13 falls each grid of measurement point for determining；
Parameter measurements determining module 14 is used to, for each grid determined, select in the wireless network parameter measured value of acquisition
Select the corresponding wireless network parameter measured value of each measurement point that the grid includes；Replacement module 15 is used for the institute using selection
State the wireless network parameter simulation value that measured value replaces the correspondence of the acquisition grid；Coverage rate determining module 16 be used for using by for
It changes each grid of simulation value and is not replaced each grid of simulation value, determine the wireless of the network coverage assessment area
The network coverage.
Integration module 13 is specifically used for each grid for determining that the number for falling measurement point is more than setting thresholding.
Replacement module 15 is specifically used for utilizing the correspondence of average value replacement acquisition of multiple measured values of the selection grid
The wireless network parameter simulation value of lattice.
As shown in Fig. 4 (a), coverage rate determining module 16 specifically includes：
Grid scene determination sub-module 161 is used to determine the scene belonging to each grid；
Weight determination sub-module 162 is used for scene and the correspondence of covering weight and each grid of determination according to setting
Scene belonging to lattice determines the corresponding covering weight of each grid；
Covering judgment submodule 163 is used to judge whether the wireless network covering of each grid to meet covering and require, for every
A grid determines the wireless of the grid when the corresponding wireless network parameter simulation value of the grid is all higher than the threshold value of setting
The network coverage meets covering and requires, otherwise, it determines the wireless network covering of the grid is unsatisfactory for covering and requires；
Ratio determination sub-module 164 is used for according to the determining corresponding covering weight of each grid, according to wireless network
Covering meets covering of the sum of the covering weight of each grid that covering requires with all grids in the network coverage assessment area
The ratio of the sum of weight determines the wireless network coverage rate of the network coverage assessment area.
As shown in Fig. 4 (b), coverage rate determining module 16 can also specifically include：
Grid scene determination sub-module 161 is used to determine the scene belonging to each grid；
Weight determination sub-module 162 is used for scene and the correspondence of covering weight and each grid of determination according to setting
Scene belonging to lattice determines the corresponding covering weight of each grid；
Thresholding determination sub-module 165 be used for according to the scene of setting and the correspondence of wireless network parameter threshold value and
Scene belonging to determining each grid determines the corresponding wireless network parameter threshold value of each grid；
Covering judgment submodule 163 is used to judge whether the wireless network covering of each grid to meet covering and require, for every
A grid, in the corresponding wireless network parameter simulation value of grid wireless network parameter threshold value corresponding more than the grid,
Determine that the wireless network covering of the grid meets covering and requires, otherwise, it determines the wireless network covering of the grid is unsatisfactory for covering
It is required that；
Ratio determination sub-module 164 is used for according to the determining corresponding covering weight of each grid, according to wireless network
Covering meets covering of the sum of the covering weight of each grid that covering requires with all grids in the network coverage assessment area
The ratio of the sum of weight determines the wireless network coverage rate of the network coverage assessment area.
As shown in Fig. 4 (c), coverage rate determining module 16 can also specifically include：
Grid scene determination sub-module 161 is used to determine the scene belonging to each grid；
Thresholding determination sub-module 165 be used for according to the scene of setting and the correspondence of wireless network parameter threshold value and
Scene belonging to determining each grid determines the corresponding wireless network parameter threshold value of each grid；
Covering judgment submodule 163 is used to judge whether the wireless network covering of each grid to meet covering and require, for every
A grid, in the corresponding wireless network parameter simulation value of grid wireless network parameter threshold value corresponding more than the grid,
Determine that the wireless network covering of the grid meets covering and requires, otherwise, it determines the wireless network covering of the grid is unsatisfactory for covering
It is required that；
Ratio determination sub-module 164 is used to cover the number for meeting the grid that covering requires and the net according to wireless network
The ratio of the number of all grids in network coverage evaluating region determines the wireless network covering of the network coverage assessment area
Rate.
As shown in Fig. 4 (d), coverage rate determining module 16 can also specifically include：
Covering judgment submodule 163 is used to judge whether the wireless network covering of each grid to meet covering and require, for every
A grid determines the wireless of the grid when the corresponding wireless network parameter simulation value of the grid is all higher than the threshold value of setting
The network coverage meets covering and requires, otherwise, it determines the wireless network covering of the grid is unsatisfactory for covering and requires；
Ratio determination sub-module 164 is used to cover the number for meeting the grid that covering requires and the net according to wireless network
The ratio of the number of all grids in network coverage evaluating region determines the wireless network covering of the network coverage assessment area
Rate.
Wherein, grid scene determination sub-module 161 is specifically used for the scene determination belonging to the grid for being replaced simulation value
For road, and the scene belonging to grid that simulation value is not replaced is determined in the following manner：According to the latitude and longitude information of grid
The position of the grid on the electronic map is determined, according to the scene information being arranged on electronic map, if the position where the grid
A kind of scene is covered, then the scene of grid position covering is the scene belonging to the grid, if the position where the grid
Covering several scenes are set, then a kind of maximum scene of area in scene that the grid covers are determined as the field belonging to the grid
Scape.
Example IV,
The embodiment of the present invention four provides a kind of method of determining wireless network coverage rate, step flow such as Fig. 5 of this method
It is shown, specifically include following steps：
Step 401 determines simulation value.
In this step, it needs in network coverage assessment area, acquisition advances with each grid that emulation of coverage capability method obtains
The simulation value of the corresponding wireless network parameter of lattice.
Step 402 determines scene belonging to each grid.
In this step, the scene belonging to each grid can be determined according to the scene information on electronic map.Specifically,
This step is identical as the method for scene belonging to each grid is determined in embodiment one according to the scene information on electronic map.
Step 403, the covering weight for determining grid.
Step 404 determines whether the network coverage of grid meets covering and require.
Step 405 determines wireless network coverage rate.
Step 403~step 405 and step 2052~step 2054 in embodiment one are one-to-one in the present embodiment two
Identical step, details are not described herein.
Certainly, by step 401~step 405, by the way that different covering weights is arranged for the grid under different scenes
Method can also be further on the basis of accuracy of the covering weight to improve the wireless network coverage rate determined
Method by the way that different thresholdings is arranged for the grid under different scenes further increases the wireless network coverage rate determined
Accuracy.
Further include step 403 before step 404 after step 402 '：
Step 403 ', determine the corresponding threshold value of each wireless network parameter in grid.
This step and step 2052 in embodiment one ' it is identical, details are not described herein.
This step 403 ' be not limited to it is as shown in Figure 2 execute after step 402, before step 403, can also be in step
It is executed after 403, before step 404.
According to embodiments of the present invention four methods provided, provide following equipment.
Embodiment five,
The embodiment of the present invention five provides a kind of equipment of determining wireless network coverage rate, and the structural schematic diagram of the equipment is as schemed
Shown in 6, which specifically includes simulation value determining module 21, grid scene determining module 22, weight determination module 23, covers and sentence
Disconnected module 24 and ratio determining module 25, wherein：
Simulation value determining module 21 is used to, for the network coverage assessment area for being divided into several grids, obtain advance
The corresponding wireless network parameter simulation value of each grid emulated in the way of emulation of coverage capability；Grid scene determining module 22 is used
In determining the scene belonging to each grid；Weight determination module 23 be used for according to the correspondence of the scene of setting and covering weight with
And the scene belonging to each grid determined, determine the corresponding covering weight of each grid；Covering judgment module 24 is used for each
In grid, determine that wireless network covering meets each grid that covering requires；Ratio determining module 25 is used for according to determining each grid
The corresponding covering weight of lattice, covered according to wireless network meet the sum of covering weight of each grid that covering requires with it is described
The ratio of the sum of covering weight of all grids in network coverage assessment area, determines the wireless of the network coverage assessment area
The network coverage.
Covering judgment module 24 is specifically used for being directed to each grid, equal in the corresponding wireless network parameter simulation value of the grid
More than setting threshold value when, determine the grid wireless network covering meet covering require.
Covering judgment module 24 be specifically used for according to the correspondence of the scene of setting and wireless network parameter threshold value with
And the scene belonging to each grid determined, determine the corresponding wireless network parameter threshold value of each grid, and be directed to each grid
Lattice are determined in the corresponding wireless network parameter simulation value of grid wireless network parameter threshold value corresponding more than the grid
The wireless network covering of the grid meets covering and requires.
Grid scene determining module 22 is specifically used for determining the grid on the electronic map according to the latitude and longitude information of grid
Position, according to the scene information being arranged on electronic map, if position where the grid covers a kind of scene, the grid institute
In position, the scene of covering is the scene belonging to the grid, if the position where the grid covers several scenes, by the grid
A kind of maximum scene of area is determined as the scene belonging to the grid in the scene of lattice covering.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (4)
1. a kind of method of determining wireless network coverage rate, which is characterized in that the method includes：
For the network coverage assessment area for being divided into several grids, acquisition advances with emulation of coverage capability mode and emulates to obtain
The corresponding wireless network parameter simulation value of each grid, and to advance with each measurement point that road test mode obtains corresponding
Wireless network parameter measured value；
Each measurement point is divided into the grid belonging to its position, for any grid, however, it is determined that the grid is
The grid of measurement point is fallen, then the average value of the wireless network parameter measured value for each measurement point for including by the grid determines
For the wireless network parameter value of the grid, the corresponding wireless network parameter simulation value of the grid is otherwise determined as the grid
The wireless network parameter value of lattice；
The scene belonging to each grid is determined, according to the scene of setting and the correspondence of covering weight and each grid institute of determination
The scene of category determines the corresponding covering weight of each grid；
In each grid, determine that wireless network covering meets each grid that covering requires；
According to the determining corresponding covering weight of each grid, each grid for meeting that covering requires is covered according to wireless network
Ratio of the sum of the weight with the sum of covering weight of all grids in the network coverage assessment area is covered, determines the network
The wireless network coverage rate in coverage evaluating region；
Wherein, it in each grid, determines that wireless network covering meets each grid that covering requires, specifically includes：
According to the scene belonging to each grid of the correspondence and determination of the scene of setting and wireless network parameter threshold value, really
Determine the corresponding wireless network parameter threshold value of each grid；
For each grid, it is more than the corresponding wireless network parameter thresholding of the grid in the corresponding wireless network parameter value of the grid
When value, determine that the wireless network covering of the grid meets covering and requires.
2. the method as described in claim 1, which is characterized in that determine the scene belonging to each grid, specifically include：
The position of the grid on the electronic map is determined according to the latitude and longitude information of grid；
According to the scene information being arranged on electronic map, if the position where the grid covers a kind of scene, grid place
The scene of position covering is the scene belonging to the grid, if the position where the grid covers several scenes, by the grid
A kind of maximum scene of area is determined as the scene belonging to the grid in the scene of covering.
3. a kind of equipment of determining wireless network coverage rate, which is characterized in that the equipment includes：
Parameter value determining module, for for the network coverage assessment area for being divided into several grids, being advanced with
The corresponding wireless network parameter simulation value of each grid that emulation of coverage capability mode emulates, and advance with road test mode and obtain
The corresponding wireless network parameter measured value of each measurement point arrived；
The parameter value determining module, for each measurement point to be divided into the grid belonging to its position, for appoint
One grid, however, it is determined that the grid is the grid for falling measurement point, then the wireless network for each measurement point for including by the grid
The average value of network measured value of parameters is determined as the wireless network parameter value of the grid, otherwise by the corresponding wireless network of the grid
Network parameters simulation value is determined as the wireless network parameter value of the grid；
Grid scene determining module, for determining the scene belonging to each grid；
Weight determination module, belonging to each grid according to the scene of setting with the correspondence and determination that cover weight
Scene determines the corresponding covering weight of each grid；
Covering judgment module, in each grid, determining that wireless network covering meets each grid that covering requires；
Ratio determining module, for according to the determining corresponding covering weight of each grid, being covered and being met according to wireless network
Cover covering weight the sum of of the sum of the desired covering weight of each grid with all grids in the network coverage assessment area
Ratio, determine the wireless network coverage rate of the network coverage assessment area；Wherein, Covering judgment module is specifically used for root
According to the scene belonging to the scene of setting and the correspondence of wireless network parameter threshold value and each grid of determination, each grid are determined
The corresponding wireless network parameter threshold value of lattice, and it is directed to each grid, it is big in the corresponding wireless network parameter value of the grid
When the grid corresponding wireless network parameter threshold value, determine that the wireless network covering of the grid meets covering and requires.
4. equipment as claimed in claim 3, which is characterized in that grid scene determining module is specifically used for the warp according to grid
Latitude information determines the position of the grid on the electronic map, according to the scene information being arranged on electronic map, if the grid institute
Position cover a kind of scene, then the scene of grid position covering is the scene belonging to the grid, if the grid
The position at place covers several scenes, then a kind of maximum scene of area in scene that the grid covers is determined as the grid institute
The scene of category.
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| CN105163337B (en) * | 2015-08-21 | 2018-12-25 | 北京拓明科技有限公司 | A method of the mobile network data geography mapping based on coverage prediction emulation |
| CN106535204B (en) * | 2015-09-10 | 2019-08-02 | 中国移动通信集团上海有限公司 | A kind of service coverage method for evaluating quality and device |
| CN107094302B (en) * | 2016-02-18 | 2019-10-25 | 中国移动通信集团上海有限公司 | A kind of network coverage evaluation method and system |
| CN108124267B (en) * | 2016-11-28 | 2021-03-30 | 中国移动通信集团湖南有限公司 | Automatic planning method and device for base station |
| CN108307400B (en) * | 2017-01-11 | 2021-08-06 | 普天信息技术有限公司 | Verification method and system for wireless network planning simulation result |
| CN108124279B (en) * | 2017-12-12 | 2021-06-08 | 中国联合网络通信集团有限公司 | Network coverage quality evaluation method and device |
| CN111327449A (en) * | 2018-12-17 | 2020-06-23 | 中国移动通信集团北京有限公司 | Method, device, equipment and medium for determining network abnormity |
| CN110636522B (en) * | 2019-09-12 | 2022-11-18 | 中国联合网络通信集团有限公司 | Method and device for determining coverage quality of communication network |
| CN113343401A (en) * | 2021-06-28 | 2021-09-03 | 中国电信股份有限公司 | Wireless network coverage method and device, storage medium and electronic equipment |
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