CN110430596A - Method for evaluating quality, device and the readable storage medium storing program for executing of wireless signal overlay area - Google Patents
Method for evaluating quality, device and the readable storage medium storing program for executing of wireless signal overlay area Download PDFInfo
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- CN110430596A CN110430596A CN201910720144.7A CN201910720144A CN110430596A CN 110430596 A CN110430596 A CN 110430596A CN 201910720144 A CN201910720144 A CN 201910720144A CN 110430596 A CN110430596 A CN 110430596A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
Abstract
Method for evaluating quality, device and the readable storage medium storing program for executing of wireless signal overlay area provided by the invention, the measurement report of acquisition is measured in wireless signal overlay area by obtaining serving cell of each terminal in each base station, and the sampled data of the measurement sampled point of each serving cell is determined according to each measurement report, according to the signal level intensity of measurement sampled point, judge to measure whether sampled point is that super wear damages sampled point or superrefraction sampled point；Damage sampled point or superrefraction sampling and the ratio between the overall measurement sampled point in respective service cell are worn according to surpassing in each serving cell, and the super quantity for wearing damage sampled point or superrefraction sampling, determine the quality of the wireless signal overlay area of each serving cell, to realize the measurement report of the terminal based on acquisition, the quality of the wireless signal overlay area for the serving cell that wireless signal service is provided for terminal is assessed, its compared with the existing technology for, the man power and material of consuming is lower, and the coverage rate of assessment is higher.
Description
Technical field
The present invention relates to computer technology more particularly to a kind of method for evaluating quality, the devices of wireless signal overlay area
And readable storage medium storing program for executing.
Background technique
It is the concentration zones of the user of mobile communication between city or the interior of building or intensive building at county town
Domain, due to wearing damage and losing in the high-incidence of these regions, how operator effectively differentiates the region for occurring wearing damage and losing, with
Good wireless signal is provided as problem in these problems region for user.
In existing technology, in order to determine that signal coverage areas wears damage region or superrefraction region with the presence or absence of super,
It is one of feasible scheme that technical staff, which carries test equipment and finds the weak overlay area of signal coverage areas to on-the-spot test, than
Such as drive test (Drive Test, abbreviation DT) or call quality test calls (Call Quality Test, abbreviation CQT).
But it is past in a manner of testing signal coverage areas to use technical staff to carry test equipment arrival scene
Toward a large amount of man power and material of consuming, and it cannot achieve the whole network investigation.
Summary of the invention
For above-mentioned the technical issues of referring to, the present invention provides a kind of quality evaluation sides of wireless signal overlay area
Method, device and readable storage medium storing program for executing.
In a first aspect, the present invention provides a kind of method for evaluating quality of wireless signal overlay area, comprising:
The measurement report that each terminal measures acquisition in the wireless signal overlay area of the serving cell of each base station is obtained, and
The sampled data of the measurement sampled point of each serving cell is determined according to each measurement report, wherein the sampled data includes signal
Level intensity；
According to the signal level intensity of measurement sampled point, judge to measure whether sampled point is that super wear damages sampled point or superrefraction
Sampled point；
It is sampled according to the overall measurement worn in damage sampled point or superrefraction sampling and respective service cell is surpassed in each serving cell
The ratio between point, and the super quantity for wearing damage sampled point or superrefraction sampling, determine the wireless signal overlay area of each serving cell
Quality.
Optionally, the sampled data further includes the increasing of the baseband equipment transmission power, serving cell transmitting antenna of base station
Benefit, the gain of terminal receiving antenna, the feeder loss of base station and signal propagation distance；
The signal level intensity according to measurement sampled point judges to measure whether sampled point is to surpass to wear damage sampled point, wrap
It includes:
The propagation loss between terminal and corresponding serving cell is determined according to propagation distance；
According to the baseband equipment transmission power of base station, the gain of serving cell transmitting antenna, the gain of terminal receiving antenna,
Feeder loss, propagation loss and the signal level intensity of base station judge to measure whether sampled point is to surpass to wear damage sampled point.
Optionally, the propagation loss determined according to propagation distance between terminal and corresponding serving cell, comprising:
Using formula (1), the propagation loss is calculated, the formula (1) is
Wherein, the LTAFor the propagation loss between terminal and corresponding serving cell；The TA is signal propagation distance
Index value, the STAThe signal propagation distance of terminal is propagated to from serving cell for signal；F is signal frequency.
Optionally, described to be received according to the baseband equipment transmission power of base station, the gain of serving cell transmitting antenna, terminal
The gain of antenna, the feeder loss of base station, propagation loss and signal level intensity judge to measure whether sampled point is to surpass to wear damage
Sampled point, comprising:
Using formula (2), judge to measure whether sampled point is to surpass to wear damage sampled point, the formula (2) is
Pr<Pt+Gt+Gr-Lt-LTA-H1；
Wherein, the PrFor the signal level intensity for measuring sampled point；The PtFor the baseband equipment transmission power of base station；
The GtFor the gain of serving cell transmitting antenna；The GrFor the gain of terminal receiving antenna；LtFor the feeder loss of base station；
The LTAFor the propagation loss between terminal and corresponding serving cell；The H1For the first hysteresis threshold.
Optionally, the sampled data further include serving cell antenna height and serving cell maximal cover away from
From；
Correspondingly, the signal level intensity according to measurement sampled point, judges to measure whether sampled point is that superrefraction is adopted
Sampling point, comprising:
The propagation loss between terminal and corresponding serving cell is determined according to propagation distance；
Serving cell maximal cover is determined according to the largest coverage distance of the height of serving cell antenna and serving cell
Space loss at distance；
According to propagation loss and space loss, judge to measure whether sampled point is superrefraction sampled point.
Optionally, described to determine that service is small according to the height of serving cell antenna and the largest coverage distance of serving cell
Space loss at area's largest coverage distance, comprising:
Using formula (3), the space loss at serving cell largest coverage distance is determined, the formula (3) is
Wherein, the LMAXThe space at serving cell largest coverage distance is determined for the largest coverage distance of serving cell
Loss；The f is signal frequency；The SMAXFor the largest coverage distance of serving cell；The SAnFor the height of serving cell antenna
Degree.
Optionally, the largest coverage distance of the serving cell is that there are handoff relations using serving cell in measurement report
And what the half for meeting the distance of the farthest adjacent area of condition 1 or condition 2 determined；
Wherein, condition 1 is in preset first time period t1, and the switching times of serving cell and an adjacent area are greater than first
Parameter；Condition 2 is the switching times of the serving cell and an adjacent area and the main serving cell in preset second time period t2
It is greater than the second parameter with the ratio between the switching total degree of all adjacent areas.
Optionally, described according to propagation loss and space loss, judge to measure whether sampled point is superrefraction sampled point, packet
It includes:
Using formula (4), judge to measure whether sampled point is superrefraction sampled point, the formula (4) is LTA>LMAX+H2；
Wherein, the LTAFor the propagation loss between terminal and corresponding serving cell；LMAXIt is covered for the maximum of serving cell
Lid distance determines the space loss at serving cell largest coverage distance；The H2For the second hysteresis threshold.
Optionally, the signal level intensity according to measurement sampled point judges to measure whether sampled point is super to wear damage and adopt
Before sampling point or superrefraction sampled point, further includes:
Each measurement sampled point is screened according to preset signal level intensity threshold, so that the measurement sampled point retained
Signal level intensity be less than the signal level intensity threshold, the measurement sampled point of the reservation as measurement sampled point with
In judgement, whether it is that super wear damages sampled point or superrefraction sampled point.
Optionally, the method for evaluating quality of the wireless signal overlay area further include:
According to the quality of the wireless signal overlay area of each base station serving cell, the base station portion of each base station serving cell is determined
Administration's strategy.
Second aspect, the present invention provides a kind of quality assessment devices of wireless signal overlay area, comprising:
Data acquisition module measures in the wireless signal overlay area of the serving cell of each base station for obtaining each terminal
The measurement report of acquisition, and according to each measurement report determine each serving cell measurement sampled point sampled data, wherein it is described
Sampled data includes signal level intensity；
First processing module judges to measure whether sampled point is super for the signal level intensity according to measurement sampled point
Wear damage sampled point or superrefraction sampled point；
Second processing module, for according in each serving cell surpass wear damage sampled point or superrefraction sampling and respective service it is small
The ratio between overall measurement sampled point in area, and the super quantity for wearing damage sampled point or superrefraction sampling, determine the nothing of each serving cell
The quality of line signal coverage areas.
The third aspect, the present invention provides a kind of quality assessment devices of wireless signal overlay area, comprising: memory,
Processor and computer program；
Wherein, the computer program stores in the memory, and is configured as being executed by the processor with reality
Now such as preceding described in any item methods.
Fourth aspect, the present invention provides a kind of readable storage medium storing program for executing, are stored thereon with computer program, the computer
Program execution processed is to realize such as preceding described in any item methods.
Method for evaluating quality, device and the readable storage medium storing program for executing of wireless signal overlay area provided by the invention, by obtaining
Each terminal is taken to measure the measurement report of acquisition in the wireless signal overlay area of the serving cell of each base station, and according to each measurement
Report determines the sampled data of the measurement sampled point of each serving cell, wherein the sampled data includes signal level intensity；Root
According to the signal level intensity of measurement sampled point, judge to measure whether sampled point is that super wear damages sampled point or superrefraction sampled point；Root
According to the ratio between the overall measurement sampled point worn in damage sampled point or superrefraction sampling and respective service cell is surpassed in each serving cell, determine
The quality of the wireless signal overlay area of each serving cell, so that the measurement report of the terminal based on acquisition is realized, to for terminal
The quality for providing the wireless signal overlay area of the serving cell of wireless signal service is assessed, and is come compared with the existing technology
It says, the man power and material of consuming is lower, and the coverage rate of assessment is higher.
Detailed description of the invention
Fig. 1 is the schematic diagram for the network architecture that the present invention is based on；
Fig. 2 is a kind of process signal of the method for evaluating quality for wireless signal overlay area that the embodiment of the present invention one provides
Figure；
Fig. 3 is a kind of process signal of method for evaluating quality of wireless signal overlay area provided by Embodiment 2 of the present invention
Figure；
Fig. 4 is that the process of the method for evaluating quality of another wireless signal overlay area provided by Embodiment 2 of the present invention is shown
It is intended to；
Fig. 5 is a kind of structural representation of the quality assessment device for wireless signal overlay area that the embodiment of the present invention three provides
Figure；
Fig. 6 is a kind of hardware configuration of the quality assessment device for wireless signal overlay area that the embodiment of the present invention four provides
Schematic diagram.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described.
It is the concentration zones of the user of mobile communication between city or the interior of building or intensive building at county town
Domain, due to wearing damage and losing in the high-incidence of these regions, how operator effectively differentiates the region for occurring wearing damage and losing, with
Good wireless signal is provided as problem in these problems region for user.
In existing technology, in order to determine that signal coverage areas wears damage region or superrefraction region with the presence or absence of super,
It is one of feasible scheme that technical staff, which carries test equipment and finds the weak overlay area of signal coverage areas to on-the-spot test, than
Such as drive test (Drive Test, abbreviation DT) or call quality test calls (Call Quality Test, abbreviation CQT).
But it is past in a manner of testing signal coverage areas to use technical staff to carry test equipment arrival scene
Toward a large amount of man power and material of consuming, and it cannot achieve the whole network investigation.
In view of the above-mentioned problems, the present invention provides a kind of method for evaluating quality of wireless signal overlay area, device and can
Read storage medium.
Fig. 1 be the present invention is based on network architecture schematic diagram, as shown in Figure 1, in the network architecture that is based on of the present invention
It may include the quality assessment device 1, cluster of base stations 2, terminal cluster 3 of wireless signal overlay area.
Wherein, the quality assessment device 1 of wireless signal overlay area is specially the hardware of executable default processing logic,
Including but not limited to cloud server, cloud server cluster, in some instances, the quality of the wireless signal overlay area fill
Set 1 with can cluster of base stations 2 integrated, data interaction can be carried out by network.
Cluster of base stations 2, which is particularly used in, provides communication service, the i.e. service of wireless signal for each terminal in terminal cluster 3
Device or server group；And in terminal cluster 3 then may include the multiple terminal devices of multiple users, these terminal devices include but not
It is limited to smart phone, tablet computer.
Fig. 2 is a kind of process signal of method for evaluating quality of wireless signal overlay area provided in an embodiment of the present invention
Figure, as shown in Fig. 2, the method for evaluating quality of the wireless signal overlay area includes:
The survey of acquisition is measured in the wireless signal overlay area of the serving cell of step 101, each terminal of acquisition in each base station
Amount is reported, and the sampled data for measuring sampled point of each serving cell is determined according to each measurement report；
Wherein, the sampled data includes signal level intensity；
Step 102, according to the signal level intensity of measurement sampled point, to measurement sampled point whether be it is super wear damage sampled point or
Superrefraction sampled point is judged；
Step 103, according in each serving cell surpass wear damage sampled point or superrefraction sampling with it is total in respective service cell
The ratio between sampled point is measured, and the super quantity for wearing damage sampled point or superrefraction sampling, determines that the wireless signal of each serving cell covers
The quality of cover area.
It should be noted that the executing subject of the method for evaluating quality of wireless signal overlay area provided by the invention is specific
It can be the quality assessment device of wireless signal overlay area shown in FIG. 1.
The present invention wears the accounting of damage sampled point and superrefraction sampled point by surpassing in statistical measurement sampled point, thus effectively right
Quality in wireless signal overlay area is assessed.Wherein, in field of wireless communications, the super of signal wears damage problem and superrefraction
Problem be often it is concurrent, i.e., it is super to wear damage sampled point and the quantity and accounting of superrefraction sampled point are often more simultaneously or same
When it is few, but be also not excluded for one of sampled point quantity and accounting is more, another quantity and the low situation of accounting.For example, than
Such as when an outdoor macro base station covers the building of a monomer reinforced concrete structure, it is possible to super wear occur and damage sampled point quantity
With accounting more than and the few situation of the quantity and accounting of superrefraction sampled point；And when user is in the intensive cell of a residential building
When vacant lot between some building, it is possible to the quantity of superrefraction sampled point occur and accounting Gao Erchao wears damage sampled point quantity and accounts for
Than few situation.
Specifically, the quality assessment device of wireless signal overlay area can first obtain each terminal in the clothes of each base station first
The measurement report that measurement obtains in the wireless signal overlay area for cell of being engaged in, and each serving cell is determined according to each measurement report
Measure the sampled data of sampled point.Wherein, the sampled data includes signal level intensity.
Furthermore, it is understood that the measurement report be terminal periodic acquisition obtain and be uploaded to cluster of base stations, particularly by
It can be acquired for any wireless signal overlay area where terminal in periodic measurement report, it can be than event property
Measurement report more objectively reflect wireless signal overlay area signal covering situation.
Then, the quality assessment device of wireless signal overlay area is sentenced according to the signal level intensity of measurement sampled point
Whether disconnected measurement sampled point is that super wear damages sampled point or superrefraction sampled point.
It is foregoing super to wear damage sampled point and superrefraction sampled point generally refers to the survey that sampled data meets specified conditions
Measure sampled point, wherein by the running parameter for the signal level intensity combination serving cell in sampled data, so as to right
Whether measurement sampled point, which belongs to super damage at least one of the sampled point or superrefraction sampled point worn, is determined that certainly, measurement is adopted
Sampling point may not only meet the super condition for wearing damage sampled point, but also meet the condition of superrefraction sampled point simultaneously.
Finally, the quality assessment device of wireless signal overlay area will wear damage sampled point or super according to surpassing in each serving cell
Refraction sampling and the ratio between the overall measurement sampled point in respective service cell, and the super number for wearing damage sampled point or superrefraction sampling
Amount, determines the quality of the wireless signal overlay area of each serving cell.
Specifically, in order to which the quality of the wireless signal overlay area to server cell is specifically evaluated, the disclosure
List several wireless signal overlay areas quality it is bad when, serving cell it is super wear damage sampled point or superrefraction sampled point feelings
Condition:
Situation 1: super to wear damage sampled point quantity >=N1；
Situation 2:(is super to wear the damage total sampled point quantity of sampled point quantity ÷) × 100% >=P1；
Situation 3: superrefraction sampled point quantity >=N2；
The total sampled point quantity of situation 4:(superrefraction sampled point quantity ÷) × 100% >=P2；
Wherein, N1, P1, N2, P2 are respectively different threshold values, can be rule of thumb arranged for technical staff.
If in cell, base station or a region, meeting one in 4 situations, that can think indoor external coordination
Same problem affects the perception of user, needs to consider to augment room point or small micro- station；If the room of having deployed point in region
Or small micro- station, it is also necessary to which whether investigation is that base station fault affects covering power.Certainly, accurate in order to ensure problem diagnosis
Property, protection operator investment, 4 situations can also be used in any combination.As long as example meeting situation 2 and situation 4 simultaneously
In the case where (situation 1 and situation 3 may not meet) just consider mend station or troubleshooting；For another example meet situation 1 and situation 3 simultaneously
In the case of in the case where (situation 2 and situation 4 may not meet), this just illustrates in cell, base station or region, affected
The influence time that number of users is more or user is subject to is long, this is because the present invention is carried out using periodic measurement report
Calculate, although measurement report be probably derived from different user and it is different at the time of, just because of being the measurement periodically acquired
Report, increasing for this measurement report quantity represent more users, the affected probability on longer time dimension
It greatly increases, that is, even if situation 2 and situation 4 may not meet, should also draw attention, take corresponding action.
That is, determining that each base station service is small according to the quality of the wireless signal overlay area of each base station serving cell
The base station deployment strategy in area.
Not necessarily occur indoors it should be noted that surpassing and wearing damage problem, superrefraction problem also not necessarily exists
Outdoor generation.Outdoor environment is it can also happen that super wear damage problem, for example without direct-view while reflecting situation between user and base station
Also bad；Indoor environment is it can also happen that superrefraction problem, for example building body is not fully closed or user's windowing, around building body
Refraction and scattering situation are good.Consequently found that it is specific to have to particular problem when network condition meets several of above 4 situations
Analysis, the present invention list 4 situations, also for the actual conditions for fully demonstrating network, reduce a possibility that problem is omitted.
The method for evaluating quality of wireless signal overlay area provided by the invention, by obtaining each terminal in the clothes of each base station
The measurement report that measurement obtains in the wireless signal overlay area for cell of being engaged in, and each serving cell is determined according to each measurement report
Measure the sampled data of sampled point, wherein the sampled data includes signal level intensity；According to the signal electricity of measurement sampled point
Flat intensity judges to measure whether sampled point is that super wear damages sampled point or superrefraction sampled point；Damage is worn according to surpassing in each serving cell
The ratio between overall measurement sampled point in sampled point or superrefraction sampling and respective service cell, and super wear damage sampled point or superrefraction
The quantity of sampling determines the quality of the wireless signal overlay area of each serving cell, to realize the survey of the terminal based on acquisition
Amount report, assesses the quality of the wireless signal overlay area for the serving cell that wireless signal service is provided for terminal,
For compared with the existing technology, the man power and material of consuming is lower, and the coverage rate of assessment is higher.
On the basis of the above embodiments, Fig. 3 is a kind of wireless signal overlay area provided by Embodiment 2 of the present invention
The flow diagram of method for evaluating quality, as shown in figure 3, the method for evaluating quality of the wireless signal overlay area, comprising:
The survey of acquisition is measured in the wireless signal overlay area of the serving cell of step 201, each terminal of acquisition in each base station
Amount is reported, and the sampled data for measuring sampled point of each serving cell is determined according to each measurement report；
Wherein, the sampled data includes signal level intensity, the baseband equipment transmission power of base station, serving cell transmitting
The gain of antenna, the gain of terminal receiving antenna, the feeder loss of base station, signal propagation distance, the height of serving cell antenna
And the largest coverage distance of serving cell；
Step 202 determines propagation loss between terminal and corresponding serving cell according to propagation distance；
Step 203 receives day according to the baseband equipment transmission power of base station, the gain of serving cell transmitting antenna, terminal
Whether the gain of line, the feeder loss of base station, propagation loss and signal level intensity are that super damage of wearing samples to measurement sampled point
Point is judged；
Step 204 determines propagation loss between terminal and corresponding serving cell according to propagation distance；
Step 205 determines serving cell according to the height of serving cell antenna and the largest coverage distance of serving cell
Space loss at largest coverage distance；
Step 206, according to propagation loss and space loss, whether be that superrefraction sampled point is sentenced to measurement sampled point
It is disconnected.
Step 207, according in each serving cell surpass wear damage sampled point or superrefraction sampling with it is total in respective service cell
The ratio between sampled point is measured, and the super quantity for wearing damage sampled point or superrefraction sampling, determines that the wireless signal of each serving cell covers
The quality of cover area.
It should be noted that the executing subject of the method for evaluating quality of wireless signal overlay area provided by the invention is specific
It can be the quality assessment device of wireless signal overlay area shown in FIG. 1.
Specifically, similarly with previous embodiment, the quality assessment device of wireless signal overlay area can be first first
The measurement report that each terminal measures acquisition in the wireless signal overlay area of the serving cell of each base station is obtained, and according to each survey
Amount report determines the sampled data of the measurement sampled point of each serving cell.Wherein, the sampled data include signal level intensity,
The baseband equipment transmission power of base station, the gain of serving cell transmitting antenna, the gain of terminal receiving antenna, base station feeder line damage
The largest coverage distance of consumption, signal propagation distance, the height of serving cell antenna and serving cell.
Furthermore, it is understood that the measurement report be terminal periodic acquisition obtain and be uploaded to cluster of base stations, particularly by
It can be acquired for any wireless signal overlay area where terminal in periodic measurement report, it can be than event property
Measurement report more objectively reflect wireless signal overlay area signal covering situation.
Then, the quality assessment device of wireless signal overlay area is sentenced according to the signal level intensity of measurement sampled point
Whether disconnected measurement sampled point is that super wear damages sampled point or superrefraction sampled point.
As unlike previous embodiment, present embodiments provide for measurement sampled point whether be it is super wear damage sampled point or
The specific decision procedure of superrefraction sampled point.
It should be noted that in the present embodiment, step 202 and step 203 provide and wear sentencing for damage sampled point for super
Determine mode, step 204 to step 206 provides the decision procedure for superrefraction sampled point, and the judgement of the two can same stepping
Row, asynchronous can also carry out.In the present embodiment, for ease of description, it will first carry out for the super judgement for wearing damage sampled point, then
The judgement for superrefraction sampled point can also be first carried out in other embodiments by executing the judgement for superrefraction sampled point, and
It is executed afterwards for the super judgement for wearing damage sampled point.
Specifically, in for the super decision process for wearing damage sampled point, terminal first can be determined according to propagation distance first
With the propagation loss between corresponding serving cell, day is then emitted according to the baseband equipment transmission power of base station, serving cell
The gain of line, the gain of terminal receiving antenna, the feeder loss of base station, propagation loss and signal level intensity, judge to measure
Whether sampled point is to surpass to wear damage sampled point.
It is obtained furthermore, it is understood that various ways can be used for the propagation loss between terminal and corresponding serving cell
, in the present embodiment, using formula (1), calculate the propagation loss:
Wherein, the LTAFor the propagation loss between terminal and corresponding serving cell；The TA is signal propagation distance
Index value, the STAThe signal propagation distance of terminal is propagated to from serving cell for signal；F is signal frequency.
In formula (1), TA is expressed as the index value of the signal propagation distance under communication system under normal circumstances, often
A numerical value represents a distance.In general, only one TA value in a measurement sampled point, representative be user terminal at this time
Serving cell between distance, i.e. TA is every to be increased unit and represents and increase by one 78 meters of distance, meanwhile, the unit of each TA
Corresponding distance is possible to related with the type of the definition of index value itself and mobile communication system.
In formula (1), LTAIt is according to STAPropagation loss of the wireless signal come from serving cell to terminal is conversed,
Unit is dB, since the signal propagation path of uplink and downlink is very similar, so it is used to indicate terminal and phase in the present embodiment
The propagation loss between serving cell answered.
In addition, for receiving day according to the baseband equipment transmission power of base station, the gain of serving cell transmitting antenna, terminal
The gain of line, the feeder loss of base station, propagation loss and signal level intensity judge to measure whether sampled point is super to wear damage and adopt
The mode of sampling point can also judge to measure whether sampled point is super to wear damage and adopt to be a variety of, in the present embodiment, using formula (2)
Sampling point:
Pr<Pt+Gt+Gr-Lt-LTA-H1Formula (2)
Wherein, PrFor the signal level intensity for measuring sampled point, unit is dBm；
PtFor the baseband equipment transmission power of base station, unit is dBm；
GtFor the gain of serving cell transmitting antenna, unit is dBi；
GrFor the gain of terminal receiving antenna, unit is dB；Wherein, due to the gain of terminal receiving antenna because of terminal not
It is same and different, definite value, such as 3dBi can be used when calculating；
LtFor the feeder loss of base station, unit is dB；
LTAFor the propagation loss between terminal and corresponding serving cell, can be obtained by formula (1)；
H1For the first hysteresis threshold, the hysteresis threshold that can be rule of thumb arranged is represented, for increasing a protection
The super accuracy wearing damage sampled point and calculating is improved at interval.
Specifically, in the decision process for superrefraction sampled point, terminal and phase are determined according to propagation distance first
The propagation loss between serving cell answered；Largest coverage distance according to the height of serving cell antenna and serving cell is true
Determine the space loss at serving cell largest coverage distance；According to propagation loss and space loss, judge whether measure sampled point
For superrefraction sampled point.
Furthermore, it is understood that for the propagation loss between terminal and corresponding serving cell, using formula above-mentioned (1)
It calculates and obtains.
Meanwhile for determining serving cell according to the height of serving cell antenna and the largest coverage distance of serving cell
The mode of space loss at largest coverage distance can also determine that service is small to be a variety of, in the present embodiment using formula (3)
Space loss at area's largest coverage distance:
Wherein, LMAXThe space loss at serving cell largest coverage distance is determined for the largest coverage distance of serving cell,
F is signal frequency；
SMAXFor the largest coverage distance of serving cell, SAnFor the height of serving cell antenna,It is to utilize
Air line distance of the antenna of Pythagorean theorem approximate calculation serving cell to terminal.
Specifically, SMAXIllustrating should cover according to planning and the actual network deployment scenario serving cell maximum
Distance, which can use a variety of calculation methods, in the present embodiment, serving cell in measurement report can be used and there is switching
Relationship and meet condition 1 or condition 2 farthest adjacent area distance half with determine the largest coverage distance.
In the condition 1:t1 period, switching times > first parameter of the serving cell and an adjacent area；
In the condition 2:t2 period, switching times ÷ main serving cell of the serving cell and an adjacent area and all neighbours
Switching total degree × 100% in area > the second parameter；
In general, above-mentioned condition is calculated just for homogeneous-frequency adjacent-domain, and what switching times took is also time with frequency switching
Number, screens those while meeting condition 1 and condition 2, or only meet all adjacent areas of one of condition, calculate these adjacent areas
With the station spacing of the serving cell of the measurement report, and above-mentioned SMAXIt is equal to the half of wherein farthest station spacing.By setting
Above-mentioned condition 1 and condition 2 are set, to screen out the super remote cell of that relationship that switches once in a while with serving cell.
In addition, in the present embodiment, for according to propagation loss and space loss, judging to measure whether sampled point is super folding
Sampled point is penetrated, judges to measure whether sampled point is superrefraction sampled point using formula (4):
LTA>LMAX+H2Formula (4)
Wherein, LTAFor the propagation loss between terminal and corresponding serving cell；
LMAXThe space loss at serving cell largest coverage distance is determined for the largest coverage distance of serving cell；
The H2For the second hysteresis threshold, the hysteresis threshold that can be rule of thumb arranged is represented, for increasing by one
Protection interval improves the accuracy that superrefraction sampled point calculates.
Finally, the quality assessment device of wireless signal overlay area will wear damage sampled point or super according to surpassing in each serving cell
Refraction sampling and the ratio between the overall measurement sampled point in respective service cell, and the super number for wearing damage sampled point or superrefraction sampling
Amount, determines the quality of the wireless signal overlay area of each serving cell, specific implementation is similar with previous embodiment, herein
It does not repeat them here.
The method for evaluating quality of wireless signal overlay area provided by the invention, by obtaining each terminal in the clothes of each base station
The measurement report that measurement obtains in the wireless signal overlay area for cell of being engaged in, and each serving cell is determined according to each measurement report
Measure the sampled data of sampled point, wherein the sampled data includes signal level intensity；According to the signal electricity of measurement sampled point
Flat intensity judges to measure whether sampled point is that super wear damages sampled point or superrefraction sampled point；Damage is worn according to surpassing in each serving cell
The ratio between overall measurement sampled point in sampled point or superrefraction sampling and respective service cell, determines the wireless signal of each serving cell
The quality of overlay area provides the clothes of wireless signal service to for terminal to realize the measurement report of the terminal based on acquisition
The quality of wireless signal overlay area for cell of being engaged in is assessed, compared with the existing technology for, the man power and material of consuming
Lower, the coverage rate of assessment is higher.
On the basis of the above embodiments, Fig. 4 is a kind of wireless signal overlay area that the embodiment of the present invention three provides
The flow diagram of method for evaluating quality, as shown in figure 4, the method for evaluating quality of the wireless signal overlay area, comprising:
The survey of acquisition is measured in the wireless signal overlay area of the serving cell of step 301, each terminal of acquisition in each base station
Amount is reported, and the sampled data for measuring sampled point of each serving cell is determined according to each measurement report；
Wherein, the sampled data includes signal level intensity, the baseband equipment transmission power of base station, serving cell transmitting
The gain of antenna, the gain of terminal receiving antenna, the feeder loss of base station, signal propagation distance, the height of serving cell antenna
And the largest coverage distance of serving cell；
Step 302 screens each measurement sampled point according to preset signal level intensity threshold, so that the survey retained
The signal level intensity for measuring sampled point is less than the signal level intensity threshold；
The measurement sampled point of the reservation is used to determine as measurement sampled point whether it to be that super wear damages sampled point or super
Reflect sampled point.
Step 303 determines propagation loss between terminal and corresponding serving cell according to propagation distance；
Step 304 receives day according to the baseband equipment transmission power of base station, the gain of serving cell transmitting antenna, terminal
Whether the gain of line, the feeder loss of base station, propagation loss and signal level intensity are that super damage of wearing samples to measurement sampled point
Point is judged；
Step 305 determines propagation loss between terminal and corresponding serving cell according to propagation distance；
The largest coverage distance of step 306, the height of serving cell antenna and serving cell determines serving cell maximum
Space loss at coverage distance；
Step 307, according to propagation loss and space loss, whether be that superrefraction sampled point is sentenced to measurement sampled point
It is disconnected.
Step 308, according in each serving cell surpass wear damage sampled point or superrefraction sampling with it is total in respective service cell
The ratio between sampled point is measured, and the super quantity for wearing damage sampled point or superrefraction sampling, determines that the wireless signal of each serving cell covers
The quality of cover area.
It should be noted that the executing subject of the method for evaluating quality of wireless signal overlay area provided by the invention is specific
It can be the quality assessment device of wireless signal overlay area shown in FIG. 1.
Specifically, similarly with previous embodiment, the quality assessment device of wireless signal overlay area can be first first
The measurement report that each terminal measures acquisition in the wireless signal overlay area of the serving cell of each base station is obtained, and according to each survey
Amount report determines the sampled data of the measurement sampled point of each serving cell.Wherein, the sampled data includes signal level intensity.
And unlike previous embodiment, the quality assessment device in wireless signal overlay area will be sampled according to measurement
The signal level intensity of point judges whether measurement sampled point is to surpass before wearing damage sampled point or superrefraction sampled point, can be for surveying
Amount sampled point is screened in advance, to guarantee to determine the accuracy of result.It specifically, can be according to preset signal level intensity
Threshold value screens each measurement sampled point, so that the signal level intensity of the measurement sampled point retained is less than the signal level
Intensity threshold, the measurement sampled point of the reservation are used to determine as measurement sampled point whether it to be that super wear damages sampled point or super
Reflect sampled point.Furthermore, it is understood that the value of signal level intensity threshold here is generally lower value, unit is dBm.By
In it is an object of the invention to determine the quality of wireless signal overlay area and assessed, if general signal level intensity
Value is higher, and signal quality is accordingly preferable, conversely, the value of signal level intensity is lower, signal quality is accordingly poor.Cause
This, by the way that the signal level intensity threshold is arranged, to be screened to measurement sampled point, in order to subsequent quality assessment.
After again, foregoing mode can be used successively according to the signal level intensity of measurement sampled point, judge that measurement is adopted
Whether sampling point is that super wear damages sampled point or superrefraction sampled point.
Finally, according to the overall measurement worn in damage sampled point or superrefraction sampling and respective service cell is surpassed in each serving cell
The ratio between sampled point determines the quality of the wireless signal overlay area of each serving cell.It should be noted that total survey in this step
Amount sampled point be step 302 screened before sampled point, i.e., should include in overall measurement sampled point be screened away and
Whole measurement sampled points of reservation.
Its specific implementation can be found in previous embodiment, herein without repeating.
The method for evaluating quality of wireless signal overlay area provided by the invention, by obtaining each terminal in the clothes of each base station
The measurement report that measurement obtains in the wireless signal overlay area for cell of being engaged in, and each serving cell is determined according to each measurement report
Measure the sampled data of sampled point, wherein the sampled data includes signal level intensity；According to the signal electricity of measurement sampled point
Flat intensity judges to measure whether sampled point is that super wear damages sampled point or superrefraction sampled point；Damage is worn according to surpassing in each serving cell
The ratio between overall measurement sampled point in sampled point or superrefraction sampling and respective service cell, determines the wireless signal of each serving cell
The quality of overlay area provides the clothes of wireless signal service to for terminal to realize the measurement report of the terminal based on acquisition
The quality of wireless signal overlay area for cell of being engaged in is assessed, compared with the existing technology for, the man power and material of consuming
Lower, the coverage rate of assessment is higher.
Fig. 5 is a kind of structural representation of the quality assessment device for wireless signal overlay area that the embodiment of the present invention three provides
Figure, as shown in figure 5, the quality assessment device of the wireless signal overlay area, comprising:
Data acquisition module 10 is surveyed in the wireless signal overlay area of the serving cell of each base station for obtaining each terminal
The measurement report obtained is measured, and determines the sampled data for measuring sampled point of each serving cell according to each measurement report, wherein institute
Stating sampled data includes signal level intensity；
First processing module 20, for according to measurement sampled point signal level intensity, judge measure sampled point whether be
It is super to wear damage sampled point or superrefraction sampled point；
Second processing module 30, for wearing damage sampled point or superrefraction sampling and respective service according to super in each serving cell
The ratio between overall measurement sampled point in cell, and the super quantity for wearing damage sampled point or superrefraction sampling, determine each serving cell
The quality of wireless signal overlay area.
Optionally, the sampled data further includes the increasing of the baseband equipment transmission power, serving cell transmitting antenna of base station
Benefit, the gain of terminal receiving antenna, the feeder loss of base station and signal propagation distance；
The first processing module 20, is specifically used for:
The propagation loss between terminal and corresponding serving cell is determined according to propagation distance；According to the baseband equipment of base station
Transmission power, the gain of serving cell transmitting antenna, the gain of terminal receiving antenna, the feeder loss of base station, propagation loss with
And signal level intensity, judge to measure whether sampled point is to surpass to wear damage sampled point.
Optionally, the first processing module 20, is specifically used for；
Using formula (1), the propagation loss is calculated, the formula (1) is
Wherein, the LTAFor the propagation loss between terminal and corresponding serving cell；The TA is signal propagation distance
Index value, the STAThe signal propagation distance of terminal is propagated to from serving cell for signal；F is signal frequency.
Optionally, the first processing module 20 is specifically used for utilizing formula (2), judges to measure whether sampled point is super
Damage sampled point is worn, the formula (2) is
Pr<Pt+Gt+Gr-Lt-LTA-H1；
Wherein, the PrFor the signal level intensity for measuring sampled point；The PtFor the baseband equipment transmission power of base station；
The GtFor the gain of serving cell transmitting antenna；The GrFor the gain of terminal receiving antenna；LtFor the feeder loss of base station；
The LTAFor the propagation loss between terminal and corresponding serving cell；The H1For the first hysteresis threshold.
Optionally, the sampled data further include serving cell antenna height and serving cell maximal cover away from
From；
Correspondingly, the first processing module 20, specifically for according to propagation distance determine terminal with it is corresponding service it is small
Propagation loss between area；Serving cell is determined according to the largest coverage distance of the height of serving cell antenna and serving cell
Space loss at largest coverage distance；According to propagation loss and space loss, judge to measure whether sampled point is that superrefraction is adopted
Sampling point.
Optionally, the first processing module 20, is specifically used for:
Using formula (3), the space loss at serving cell largest coverage distance is determined, the formula (3) is
Wherein, the LMAXThe space at serving cell largest coverage distance is determined for the largest coverage distance of serving cell
Loss；The f is signal frequency；The SMAXFor the largest coverage distance of serving cell；The SAnFor the height of serving cell antenna
Degree.
Optionally, the largest coverage distance of the serving cell is that there are handoff relations using serving cell in measurement report
And what the half for meeting the distance of the farthest adjacent area of condition 1 or condition 2 determined；
Wherein, condition 1 is in preset first time period t1, and the switching times of serving cell and an adjacent area are greater than first
Parameter；Condition 2 is the switching times of the serving cell and an adjacent area and the main serving cell in preset second time period t2
It is greater than the second parameter with the ratio between the switching total degree of all adjacent areas.
Optionally, the first processing module 20 is specifically used for utilizing formula (4), judges to measure whether sampled point is super
Sampled point is reflected, the formula (4) is LTA>LMAX+H2；
Wherein, the LTAFor the propagation loss between terminal and corresponding serving cell；LMAXIt is covered for the maximum of serving cell
Lid distance determines the space loss at serving cell largest coverage distance；The H2For the second hysteresis threshold.
It optionally, further include screening module, which is used for the signal level intensity according to measurement sampled point, judgement
Whether measurement sampled point is to surpass before wearing damage sampled point or superrefraction sampled point, according to preset signal level intensity threshold to each
Measurement sampled point is screened, so that the signal level intensity of the measurement sampled point retained is less than the signal level intensity threshold
Value.
Optionally, Second processing module 30 are also used to the matter of the wireless signal overlay area according to each base station serving cell
Amount, determines the base station deployment strategy of each base station serving cell.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description
Specific work process and corresponding beneficial effect, can refer to corresponding processes in the foregoing method embodiment, herein no longer
It repeats.
The quality assessment device of wireless signal overlay area provided by the invention, by obtaining each terminal in the clothes of each base station
The measurement report that measurement obtains in the wireless signal overlay area for cell of being engaged in, and each serving cell is determined according to each measurement report
Measure the sampled data of sampled point, wherein the sampled data includes signal level intensity；According to the signal electricity of measurement sampled point
Flat intensity judges to measure whether sampled point is that super wear damages sampled point or superrefraction sampled point；Damage is worn according to surpassing in each serving cell
The ratio between overall measurement sampled point in sampled point or superrefraction sampling and respective service cell, and super wear damage sampled point or superrefraction
The quantity of sampling determines the quality of the wireless signal overlay area of each serving cell, to realize the survey of the terminal based on acquisition
Amount report, assesses the quality of the wireless signal overlay area for the serving cell that wireless signal service is provided for terminal,
For compared with the existing technology, the man power and material of consuming is lower, and the coverage rate of assessment is higher.
In addition, Fig. 6 is a kind of the hard of the quality assessment device for wireless signal overlay area that the embodiment of the present invention four provides
Part structural schematic diagram；As shown in fig. 6, the quality assessment device of the wireless signal overlay area includes:
Memory 41, processor 42 and it is stored in the computer program that can be run on memory 41 and on processor 42,
Processor 42 runs the method for executing above-described embodiment when computer program.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above-mentioned each method embodiment can lead to
The relevant hardware of program instruction is crossed to complete.Program above-mentioned can be stored in a computer readable storage medium.The journey
When being executed, execution includes the steps that above-mentioned each method embodiment to sequence；And storage medium above-mentioned include: ROM, RAM, magnetic disk or
The various media that can store program code such as person's CD.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description
Specific work process and corresponding beneficial effect, can refer to corresponding processes in the foregoing method embodiment, herein no longer
It repeats.
Finally, the present invention also provides a kind of readable storage medium storing program for executing, including it is above stored with computer program, the computer journey
Method of the sequence execution processed to realize any of the above-described embodiment.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (13)
1. a kind of method for evaluating quality of wireless signal overlay area characterized by comprising
Obtain the measurement report that each terminal measures acquisition in the wireless signal overlay area of the serving cell of each base station, and according to
Each measurement report determines the sampled data of the measurement sampled point of each serving cell, wherein the sampled data includes signal level
Intensity；
According to the signal level intensity of measurement sampled point, judge to measure whether sampled point is that super wear damages sampled point or superrefraction sampling
Point；
According to surpass in each serving cell wear overall measurement sampled point in damage sampled point or superrefraction sampling and respective service cell it
Than, and the super quantity for wearing damage sampled point or superrefraction sampling, determine the quality of the wireless signal overlay area of each serving cell.
2. the method for evaluating quality of wireless signal overlay area according to claim 1, which is characterized in that the hits
According to further including the baseband equipment transmission power of base station, the gain of serving cell transmitting antenna, the gain of terminal receiving antenna, base station
Feeder loss and signal propagation distance；
The signal level intensity according to measurement sampled point judges to measure whether sampled point is to surpass to wear damage sampled point, comprising:
The propagation loss between terminal and corresponding serving cell is determined according to propagation distance；
According to the baseband equipment transmission power of base station, the gain of serving cell transmitting antenna, the gain of terminal receiving antenna, base station
Feeder loss, propagation loss and signal level intensity, judge to measure whether sampled point is super to wear damage sampled point.
3. the method for evaluating quality of wireless signal overlay area according to claim 2, which is characterized in that described according to biography
Broadcast the propagation loss between the determining terminal of distance and corresponding serving cell, comprising:
Using formula (1), the propagation loss is calculated, the formula (1) is
Wherein, the LTAFor the propagation loss between terminal and corresponding serving cell；The TA is the rope of signal propagation distance
Draw value, the STAThe signal propagation distance of terminal is propagated to from serving cell for signal；F is signal frequency.
4. the method for evaluating quality of wireless signal overlay area according to claim 2, which is characterized in that described according to base
The baseband equipment transmission power stood, the gain of serving cell transmitting antenna, the gain of terminal receiving antenna, base station feeder line damage
Consumption, propagation loss and signal level intensity judge to measure whether sampled point is to surpass to wear damage sampled point, comprising:
Using formula (2), judge to measure whether sampled point is to surpass to wear damage sampled point, the formula (2) is
Pr<Pt+Gt+Gr-Lt-LTA-H1；
Wherein, the PrFor the signal level intensity for measuring sampled point；The PtFor the baseband equipment transmission power of base station；It is described
GtFor the gain of serving cell transmitting antenna；The GrFor the gain of terminal receiving antenna；LtFor the feeder loss of base station；It is described
LTAFor the propagation loss between terminal and corresponding serving cell；The H1For the first hysteresis threshold.
5. the method for evaluating quality of wireless signal overlay area according to claim 2, which is characterized in that the hits
According to the largest coverage distance of the height and serving cell that further include serving cell antenna；
Correspondingly, the signal level intensity according to measurement sampled point, judges to measure whether sampled point is superrefraction sampled point,
Include:
The propagation loss between terminal and corresponding serving cell is determined according to propagation distance；
Serving cell largest coverage distance is determined according to the largest coverage distance of the height of serving cell antenna and serving cell
The space loss at place；
According to propagation loss and space loss, judge to measure whether sampled point is superrefraction sampled point.
6. the method for evaluating quality of wireless signal overlay area according to claim 5, which is characterized in that described according to clothes
The height of antenna in cell of being engaged in and the largest coverage distance of serving cell determine that the space at serving cell largest coverage distance is damaged
Consumption, comprising:
Using formula (3), the space loss at serving cell largest coverage distance is determined, the formula (3) is
Wherein, the LMAXThe space loss at serving cell largest coverage distance is determined for the largest coverage distance of serving cell；
The f is signal frequency；The SMAXFor the largest coverage distance of serving cell；The SAnFor the height of serving cell antenna.
7. the method for evaluating quality of wireless signal overlay area according to claim 6, which is characterized in that further include:
The largest coverage distance of the serving cell is there are handoff relation and to meet item using serving cell in measurement report
What the half of the distance of the farthest adjacent area of part 1 or condition 2 determined；
Wherein, condition 1 is in preset first time period t1, and the switching times of serving cell and an adjacent area are greater than the first ginseng
Number；Condition 2 is in preset second time period t2, the switching times of the serving cell and an adjacent area and the main serving cell and
The ratio between switching total degree of all adjacent areas is greater than the second parameter.
8. the method for evaluating quality of wireless signal overlay area according to claim 5, which is characterized in that described according to biography
Loss and space loss are broadcast, judges to measure whether sampled point is superrefraction sampled point, comprising:
Using formula (4), judge to measure whether sampled point is superrefraction sampled point, the formula (4) is LTA>LMAX+H2；
Wherein, the LTAFor the propagation loss between terminal and corresponding serving cell；LMAXFor serving cell maximal cover away from
From the space loss determined at serving cell largest coverage distance；The H2For the second hysteresis threshold.
9. the method for evaluating quality of wireless signal overlay area according to claim 1-8, which is characterized in that institute
The signal level intensity according to measurement sampled point is stated, judges to measure whether sampled point is that super wear damages sampled point or superrefraction sampled point
Before, further includes:
Each measurement sampled point is screened according to preset signal level intensity threshold, so that the letter of the measurement sampled point retained
Number level intensity is less than the signal level intensity threshold, and the measurement sampled point of the reservation is as measurement sampled point for sentencing
Determine whether it is that super wear damages sampled point or superrefraction sampled point.
10. the method for evaluating quality of wireless signal overlay area according to claim 1-8, which is characterized in that
Further include:
According to the quality of the wireless signal overlay area of each base station serving cell, the base station deployment plan of each base station serving cell is determined
Slightly.
11. a kind of quality assessment device of wireless signal overlay area characterized by comprising
Data acquisition module measures acquisition for obtaining each terminal in the wireless signal overlay area of the serving cell of each base station
Measurement report, and according to each measurement report determine each serving cell measurement sampled point sampled data, wherein the sampling
Data include signal level intensity；
First processing module judges to measure whether sampled point is to surpass to wear damage for the signal level intensity according to measurement sampled point
Sampled point or superrefraction sampled point；
Second processing module, for being worn in damage sampled point or superrefraction sampling and respective service cell according to super in each serving cell
The ratio between overall measurement sampled point, determine the quality of the wireless signal overlay area of each serving cell.
12. a kind of quality assessment device of wireless signal overlay area characterized by comprising memory, processor and meter
Calculation machine program；
Wherein, the computer program stores in the memory, and is configured as being executed by the processor to realize such as
The described in any item methods of claim 1-10.
13. a kind of readable storage medium storing program for executing, which is characterized in that be stored thereon with computer program, the computer program is processed
It executes to realize such as the described in any item methods of claim 1-10.
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