CN106937306A - A kind of network quality appraisal procedure and device - Google Patents
A kind of network quality appraisal procedure and device Download PDFInfo
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- CN106937306A CN106937306A CN201511025862.0A CN201511025862A CN106937306A CN 106937306 A CN106937306 A CN 106937306A CN 201511025862 A CN201511025862 A CN 201511025862A CN 106937306 A CN106937306 A CN 106937306A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
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- H—ELECTRICITY
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Abstract
The invention discloses a kind of network quality appraisal procedure and device, the method includes：The terminal to report MR under the first communication standard is obtained, and determines to belong to the MR in region to be assessed from MR；According to the MR for belonging to same Serving cell for determining, N number of adjacent area of Serving cell is determined, for an adjacent area, according to the signal strength values and the signal strength values of Serving cell that belong to adjacent area in Serving cell MR, determine the coverage coefficient of adjacent area；Coverage coefficient according to N number of adjacent area, it is determined that the first community for meeting the requirement of the second communication standard coverage overlaps coverage, first community during by the M different values of correspondence overlaps the cumulative second community that obtains of coverage and overlaps coverage, and the cell sum in coverage and region to be assessed is overlapped according to the corresponding second community of each Serving cell in region to be assessed, determine overlap coverage of the region to be assessed under the second communication standard, simulation model assessment network quality, the inaccurate problem of assessment result are based on to solve prior art.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of network quality appraisal procedure and device.
Background technology
With the development of mobile communications network, using existing GSM (Global System for Mobile, the whole world
GSM) network site and frequency spectrum resource build LTE-FDD (time division duplex Long Term Evolution)
Network turns into the Main Trends of The Development of e-learning quality.Because user number is being on the increase, cause portfolio not
It is disconnected increase, so as to cause the continuous exacerbation of network load, therefore constantly dispose new base station and mitigate network
Load, but disposing new base station can cause the closeness of base station to increase, and the distance between base station and base station are contracted
Small, causing the overlap between cell to cover increases, and overlaps the signal interference problem that covering can be caused, and influences net
Network quality.In order to ensure to build up the quality of rear network, typically can be before LTE-FDD networkings to network matter
Amount is estimated.
Whether prior art is mainly rationally commented communication network architecture using this index of coverage is overlapped
Estimate.Wherein, overlapping coverage is used to reflect the stronger cell of how many signal of same time in same place
Carry out overlap covering.Specifically, whether prior art is to the rational appraisal procedure of communication network architecture:It is based on
Existing simulation model, according to propagation model simulation result, sampled point is selected from emulation cell, using adopting
The corresponding emulation data of sampling point carry out Pre-Evaluation and calculate the overlap coverage in region to be assessed, and judge to be assessed
The threshold value of the overlap coverage in region overlap coverage whether preset more than operator, if overlapping coverage
The threshold value of the overlap coverage preset more than operator, it is determined that the communication network architecture in region to be assessed is not
Rationally.It can be seen that, this appraisal procedure is limited to the accuracy of map of simulation model, work parameter evidence, model correction
A certain proportion of distortion is there is also etc. factor, therefore Pre-Evaluation result, is existed with real network quality certain
Error.
Therefore, a kind of more accurate network quality appraisal procedure is needed badly, to improve networking quality.
The content of the invention
The embodiment of the present invention provides a kind of network quality appraisal procedure and device, is used to solve prior art to be based on
Simulation model assesses network quality, the inaccurate problem of assessment result.
The inventive method includes a kind of network quality appraisal procedure, and the method includes：Obtain in the first communication
The measurement report MR of the terminal to report under standard, and determine to belong to the MR in region to be assessed from the MR；
For a Serving cell in region to be assessed, it is determined that belong to same Serving cell MR and the service it is small
N number of adjacent area in area, N is positive integer；For an adjacent area in N number of adjacent area of the Serving cell, root
According to belonging to the signal strength values of adjacent area described in the MR of the Serving cell and the signal of the Serving cell is strong
Angle value, determines the coverage coefficient of the adjacent area；According to the coverage coefficient of N number of adjacent area, it is determined that full
The first community of foot the second communication standard coverage requirement overlaps coverage, the second communication standard coverage
It is required that being the signal strength values for having the M signal strength values of adjacent area and the Serving cell in same MR
Meet setting relation, wherein, 3≤M≤N；First community during by the M different values of correspondence overlaps coverage
The cumulative second community that obtains overlaps coverage, and corresponding according to each Serving cell in the region to be assessed
Second community overlaps the cell sum in coverage and region to be assessed, determines the region to be assessed second
Overlap coverage under communication standard.
Based on same inventive concept, the embodiment of the present invention further provides a kind of network quality apparatus for evaluating,
The device includes：Acquiring unit, the measurement report for obtaining the terminal to report under the first communication standard
MR, and determine to belong to the MR in region to be assessed from the MR；Adjacent area determining unit, for according to pin
Treat a Serving cell of assessment area, it is determined that the MR for belonging to same Serving cell and the service it is small
N number of adjacent area in area, N is positive integer；Coverage coefficient elements are determined, for for the Serving cell
An adjacent area in N number of adjacent area, according to the signal intensity for belonging to adjacent area described in the MR of the Serving cell
The signal strength values of value and the Serving cell, determine the coverage coefficient of the adjacent area；Determine first community
Coverage unit is overlapped, for the coverage coefficient according to N number of adjacent area, it is determined that meeting the second communication system
The first community of formula coverage requirement overlaps coverage, and the second communication standard coverage requirement is same
There are the M signal strength values of adjacent area to meet setting with the signal strength values of the Serving cell in bar MR to close
System, wherein, 3≤M≤N；It is determined that coverage unit is overlapped, during for by the M different values of correspondence first
Small area overlapping coverage is cumulative to be obtained second community and overlaps coverage, and according in the region to be assessed each
The corresponding second community of Serving cell overlaps the cell sum in coverage and region to be assessed, it is determined that described treat
Overlap coverage of the assessment area under the second communication standard.
On the one hand the embodiment of the present invention obtains the MR (Measure of the terminal to report under the first communication standard
Report, measurement report), and the MR in category region to be assessed is determined from the MR and the service is determined
The corresponding N number of adjacent area of cell；On the other hand, for an adjacent area, according to the MR for belonging to the Serving cell
Described in adjacent area signal strength values and the signal strength values of the Serving cell, determine the covering of the adjacent area
Degree coefficient, based on the corresponding coverage coefficient in each adjacent area, it is determined that meeting the requirement of the second communication standard coverage
First community overlap coverage, first community during by the M different values of correspondence overlaps that coverage is cumulative to be obtained
Second community overlaps coverage, and according to the corresponding second community of each Serving cell in the region to be assessed
The cell sum in coverage and region to be assessed is overlapped, determines the region to be assessed in the second communication standard
Under overlap coverage.It can be seen that, present invention determine that overlap coverage be according to terminal under the first communication standard
The MR for actually reporting is used as data source, and the coverage coefficient of foundation adjacent area carries out what probability statistics drew,
The result had both met the evaluation criteria of the overlap coverage under the second communication standard, accurately can also lead to using first
The network quality of MR data assessment Serving cells under letter standard so that assessment result is more accurate.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, institute in being described to embodiment below
The accompanying drawing for needing to use is briefly introduced, it should be apparent that, drawings in the following description are only of the invention
Some embodiments, for one of ordinary skill in the art, are not paying the premise of creative labor
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
A kind of Fig. 1 network quality appraisal procedure schematic flow sheets for the embodiment of the present invention is provided；
Fig. 2 gathers MR schematic diagrames for the embodiment of the present invention is provided before a kind of network quality assessment；
A kind of Fig. 3 network quality apparatus for evaluating schematic flow sheets for the embodiment of the present invention is provided.
Specific embodiment
In order that the object, technical solutions and advantages of the present invention are clearer, below in conjunction with accompanying drawing to this hair
It is bright to be described in further detail, it is clear that described embodiment is only some embodiments of the invention,
Rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out all other embodiment obtained under the premise of creative work, belong to the scope of protection of the invention.
Various aspects are described herein in connection with terminal and/or base station and/or base station controller.Wherein, base station (example
Such as, access point) can be in access network in the air on interface by one or more sectors and wireless terminal communications
Equipment.Base station can be used for the air frame that will receive and mutually be changed with IP packets, as wireless terminal with
Router between the remainder of access network.For example, base station can be drilling in GSM base stations or LTE
Enter type base station (NodeB or eNB or e-NodeB, evolutional Node B), be implemented as follows in the present invention
Do not limited in example.
Terminal, refers to the equipment for providing a user with voice and/or data connectivity, including wireless terminal or wired end
End.Wireless terminal can be portable equipment with wireless connecting function or be connected to wireless modulation-demodulation
Other processing equipments of device, through the mobile terminal that wireless access network is communicated with one or more core nets.
For example, wireless terminal can be mobile phone (or being " honeycomb " phone) and the computer with mobile terminal.
And for example, wireless terminal can also be portable, pocket, hand-held, built-in computer or vehicle-mounted
Mobile device.For another example, wireless terminal can for movement station (mobile station), access point (access point),
Or a part for user equipment (user equipment, UE).
In addition, the first communication standard being related in the embodiment of the present invention, the second communication standard refer to communication neck
Two kinds of different communication standards in domain, wherein the first communication standard builds popularization extensively in actual applications,
Second communication standard is generally in networking starting interruption, and not yet maturation is, it is necessary to using the first communication standard
Resource.
By taking LTE_FDD as an example, the first communication standard is with GSM for the second communication standard in embodiments of the present invention
As a example by, wherein, LTE_FDD networks are not yet built, therefore with reference to LTE-TDD (time division duplex Long Term Evolutions
Technology) evaluation index of network quality is estimated to LTE_FDD network qualities.Current LTE-TDD nets
The evaluation index of network quality is to overlap coverage, refer to overlapping in region to be assessed coverage cell number with it is to be evaluated
Estimate the ratio of cell sum in region, wherein judge to overlap coverage cell by small area overlapping coverage, because small
The threshold value of area overlapping coverage is 5%, i.e., cell attach most importance to superimposition lid of the small area overlapping coverage more than 5% is small
Area.
For example, the small area overlapping coverage of assessment LTE_TDD, can obtain according to base station in service sector
MR, calculates RSRP (the Reference Signal Receiving Power, reference signal reception of Serving cell
Performance number) difference with the RSRP of each adjacent area, then count the Serving cell in a measurement report
The number of RSRP MR simultaneously with more than three differences of the RSRP of adjacent area more than -6dB, and will statistics
Number phase of the number of the MR for obtaining with Serving cell RSRP values in acquired MR more than -110dBm
Remove, obtain the small area overlapping coverage of LTE_TDD.Small area overlapping coverage according to LTE_TDD is obtained
The overlap coverage in region to be assessed, and assess mark using the overlap coverage of LTE_TDD as LTE_FDD
It is accurate.
Consider there is bandwidth difference between existing GSM network and LTE network, the carrier frequency bandwidth of GSM network
It is 200kHz, a width of 15kHz of sub-carrier bin of LTE network, so the power back-off Δ that bandwidth difference is brought
For：Δ=10log (200/15)=12dB.Therefore, according to power compensating value 12dB, if it is desired to LTE network
RSRP is more than -110dBm, then GSM network Rxlev (Received Signal Level, received signal level)
More than -98dBm.
Further, since LTE MR overlap that coverage utilizes be Serving cell RSRP and each adjacent area
The difference of RSRP, as relative level value, so need not be examined when GSM network MR data are converted into
Consider the difference of LTE signals path loss and GSM signal path losses.
Based in LTE_FDD evaluation criterias overlap coverage requirement statistical fractals cell RSRP simultaneously with
The number of MR of more than three differences of the RSRP of adjacent area more than -6dB, and GSM network MR is measured
Shi Chengxian's is that each adjacent area of Serving cell being adopted with service Cell level difference in time of measuring more than -6dB
Sampling point quantity and ratio, i.e., it is simultaneously poor with service Cell level without each adjacent area that Serving cell is intuitively presented
Situation more than -6dB.Therefore need using the network quality appraisal procedure in the embodiment of the present invention, will be in GSM
The MR data received under network are processed, and are met the overlap coverage of LTE_FDD evaluation criterias.
Shown in Figure 1, the embodiment of the present invention provides a kind of network quality appraisal procedure schematic flow sheet, tool
Body ground implementation method includes：
Step S101, obtains the measurement report MR of the terminal to report under the first communication standard, and from institute
State and the MR for belonging to region to be assessed is determined in MR.
Step S102, for a Serving cell in region to be assessed, it is determined that belonging to same Serving cell
N number of adjacent area of MR and the Serving cell, N is positive integer.
Step S103, for an adjacent area in N number of adjacent area of the Serving cell, according to belonging to the clothes
The signal strength values and the signal strength values of the Serving cell of adjacent area, determine institute described in the MR of cell of being engaged in
State the coverage coefficient of adjacent area.
Step S104, according to the coverage coefficient of N number of adjacent area, it is determined that meeting the covering of the second communication standard
Spend desired first community and overlap coverage, the second communication standard coverage requirement is in same MR
In there are the M signal strength values of adjacent area to meet setting relation with the signal strength values of the Serving cell, wherein,
3≤M≤N。
Step S105, first community overlap coverage during by the M different values of correspondence adds up and obtains second community
Coverage is overlapped, and covering is overlapped according to the corresponding second community of each Serving cell in the region to be assessed
Cell sum in degree and region to be assessed, determines overlap of the region to be assessed under the second communication standard
Coverage.
Because overlap coverage reflection to be the stronger cell of how many signal of same time click through same
Row overlaps covering.Therefore before step S101, multiple sampling positions can be pre-set, as shown in Fig. 2
Gathered on setting sampled point by drive test mode in region to be assessed in a period of time in the first communication system
The RSRP that terminal under formula is reported, wherein, i.e. the RSRP of Serving cell is to set sampled point collection
Maximum RSRP in the RSRP of cell.
After the MR data of terminal to report are collected, the RSRP of the adjacent cell in MR and service are small
The RSRP in area determines the coverage coefficient of each adjacent area, specifically, from the MR of the Serving cell,
It is determined that the MR comprising the adjacent area；From the MR comprising the adjacent area, the signal intensity of the adjacent area is determined
The difference of the signal strength values of value and the Serving cell is the effective of the adjacent area more than the MR of first threshold
MR；By the ratio of effective MR bars number of the adjacent area and the MR numbers comprising the adjacent area, it is determined that
It is the coverage coefficient of the adjacent area.
For example, so that the first communication standard is GSM network as an example, it is assumed that in the MR that collection is obtained, it is determined that clothes
Business cell absolute level Rxlev is 1000 more than the corresponding MR of -98dBm, and is more than from Rxlev
The adjacent area of Serving cell is determined in the corresponding MR of -98dBm, such as Serving cell is to that there should be 20 adjacent areas：
Adjacent area B1, adjacent area B2..., adjacent area B20.Identical operation is performed for each adjacent area, so that it is determined that
The coverage coefficient of the adjacent area.
Specifically, being directed to adjacent area B1Determine to include adjacent area B from 1000 MR1MR have 700,
The Rxlev and adjacent area B of Serving cell are determined from 700 MR1The difference of Rxlev having more than -6dB
Effect MR, it is determined that effective MR be 70, then adjacent area B1Corresponding coverage coefficient is 70/700=10%.
Presented when being measured based on GSM network MR be Serving cell each adjacent area in time of measuring kimonos
Business Cell level difference more than -6dB sampled point quantity and ratio, i.e., without intuitively present Serving cell each
Adjacent area is simultaneously and service Cell level difference is more than the situation of -6dB, and the embodiment of the present invention is further by adjacent area
Coverage coefficient carries out probability statistics and releases the adjacent area of more than three while meeting setting relation with Serving cell
First community overlaps coverage, specially：Coverage coefficient according to N number of adjacent area utilizes the first formula
It is determined that the first community for meeting the requirement of the second communication standard coverage overlaps coverage, first formula is：
... ... ... .. formula 1
Wherein, λMRepresent the coverage coefficient of m-th adjacent area, PMRepresentative has M in same measurement report
The signal strength values of individual adjacent area are more than the first of first threshold with the difference of the signal strength values of the Serving cell
Small area overlapping coverage,Represent any selection M from N number of adjacent area.
As an example it is assumed that Serving cell A has 20 adjacent area B1, adjacent area B2..., adjacent area B20, this
The signal strength values of a little adjacent areas are in time of measuring and service cell signal strength value is more than the coverage system of -6dB
Number ratio is B1%, B2% ..., BN%, then arbitrarily 3 will be selected using formula 1 from 20 adjacent areas
The coverage coefficient of adjacent area is multiplied, in calculating any 3 adjacent areas while appearing in a measurement report
Probability, it is and any 3 adjacent areas is correspondingIndividual result is added, and obtains occurring 3 adjacent areas simultaneously
Signal strength values in time of measuring and ratio C of the service cell signal strength value more than -6dB3%.Similarly,
Calculate successively and 4 adjacent areas occur simultaneously while the probability appeared in a measurement report is C4%, while going out
The probability that existing 5 adjacent areas appear in a measurement report simultaneously is C5%, etc., until occurring 20 simultaneously
The probability that individual adjacent area appears in a measurement report simultaneously is C20%.Certainly, it is not limited in the present embodiment straight
To 20 adjacent areas are calculated while appearing in the probability in a measurement report, the value of M can be according to actual feelings
Condition is set.
After the calculating for completing first community overlap coverage, first during the just M different values of correspondence is small
Area overlapping coverage result add up and determines that the corresponding second community of the main serving cell overlaps covering
Degree.Determine that formula is：
... ... ... ... formula 2
Wherein, O is represented and is overlapped coverage.
Because what second community overlapped coverage representative is the corresponding small area overlapping coverage of the Serving cell, therefore
Corresponding small area overlapping coverage when releasing other cells successively as Serving cell, and then according to area to be assessed
The overlap coverage of each cell in domain obtains overlapping coverage cell, so that it is determined that going out the weight in region to be assessed
Superimposition cover degree, specifically, overlaps according to the corresponding second community of each Serving cell in the region to be assessed
Coverage, it is determined that meet overlapping coverage more than the second community of the 4th threshold value；Met more than the according to described
It is small in the number and the region to be assessed of the corresponding Serving cell of second community overlap coverage of four threshold values
Ratio between area's sum determines overlap coverage of the region to be assessed under the second communication standard.
For example, 5 cells of correspondence in region to be assessed, wherein correspondence when having two cells as Serving cell
Small area overlapping coverage value be more than 5%, therefore the two cells be overlap coverage cell, by two overlap
Coverage cell is made to compare with sum 5, and the overlap coverage for drawing region to be assessed is 2/5.
As above visible, the appraisal procedure of network quality can accurately utilize the first communication standard in the embodiment of the present invention
The network quality of lower MR data assessments Serving cell under the second communication standard so that assessment result is more accurate
Really, follow-up networking is conducive to.
In view of coverage requirement is overlapped in LTE_FDD evaluation criterias, measured using the MR of GSM network
The MR that data can evaluate LTE-FDD networks overlaps coverage, when evaluating LTE-FDD networks
When overlapping coverage less than 15%, then after LTE-FDD builds, network quality is likely to meet network quality
It is required that.If but when the overlap coverage for evaluating LTE-FDD networks is not less than 15%, when
After LTE-FDD builds, network quality is likely to that network quality requirement cannot be met, it is therefore desirable to determines and makes
The cell being a problem.Wherein determining the method for problem cells is：If the region to be assessed is in the second communication system
Overlap coverage under formula is more than Second Threshold, then any selection K from N number of adjacent area, determines institute
The coefficient correlation of K adjacent area and the Serving cell is stated, the coefficient correlation is by every in the K adjacent area
Ratio between the corresponding qualified MR numbers in individual adjacent area and the MR numbers of the Serving cell determines
's；
If each adjacent area is more than the 3rd threshold value with the coefficient correlation of the Serving cell in the K adjacent area,
The Serving cell is determined for problem cells, and K is the no more than positive integer of N.
For example, have 20 adjacent areas around a certain Serving cell, wherein, according to the MR data for obtaining, analysis
Show that at least 12 adjacent areas are all higher than 1% with the Serving cell coefficient correlation, then it is assumed that Serving cell is to ask
Topic cell, the specific value of K determines based on experience value.
Each adjacent area is related to the Serving cell during so-called coefficient correlation refers to this at least 12 adjacent areas
Coefficient is more than 1%, and the specific determination method of wherein coefficient correlation is as follows：For one in the K adjacent area
Adjacent area, determines the signal strength values of the adjacent area in the MR of the Serving cell and the letter of the Serving cell
MR number of the difference more than given threshold between number intensity level；
The MR numbers more than given threshold are determined with the ratio of the number of the MR of the Serving cell
It is the corresponding coefficient correlation in the adjacent area.
Such as, in the MR obtained from collection, determine that Serving cell absolute level Rxlev is more than -98dBm
Corresponding MR is 1000, then determines service more than in the corresponding MR of -98dBm from Rxlev
MR number of the difference more than -6dB in the Rxlev of cell and this MR between the Rxlev of the first adjacent area
20, and determine the difference between the Rxlev of the second adjacent area in the Rxlev and this MR of Serving cell
MR number 30 of the value more than -6dB, the like, show that the number of corresponding MR is distinguished in 20 adjacent areas
Mesh.By these adjacent areas, corresponding MR numbers are divided by with 1000 respectively respectively, if the result being divided by is more than 1%,
Then think that this 12 adjacent areas are related with Serving cell, then it is assumed that Serving cell is problem cells, if conversely,
The multiplied result of part adjacent area is less than 1%, then have part adjacent area uncorrelated to Serving cell, therefore small with servicing
The related adjacent area number in area is less than 12, then Serving cell is not problem cells.
After problem cells are determined, based on LTE-FDD networks and GSM network co-space feedback system, can
Adjustment is optimized with the antenna to problem cells before LTE-FDD networkings, so as to ensure LTE-FDD
Network build up after network quality.Certainly, GSM network should be taken into account when GSM cell tested rotating platform is carried out
Covering demand and network quality.
Based on identical technology design, the embodiment of the present invention also provides a kind of network quality apparatus for evaluating, the net
The executable above method embodiment of network quality assessment device.Device provided in an embodiment of the present invention as shown in figure 3,
Including：Acquiring unit 301, determine adjacent area unit 302, determine coverage coefficient elements 303, determine first
Small area overlapping coverage unit 304, determination overlap coverage unit 305, wherein：
Acquiring unit 301, the measurement report MR for obtaining the terminal to report under the first communication standard,
And determine to belong to the MR in region to be assessed from the MR；
Determine adjacent area unit 302, for according to for region to be assessed a Serving cell, it is determined that belong to
N number of adjacent area of the MR of same Serving cell and the Serving cell, N is positive integer；
Coverage coefficient elements 303 are determined, for a neighbour in the N number of adjacent area for the Serving cell
Area, according to belonging to the signal strength values of adjacent area described in the MR of the Serving cell and the Serving cell
Signal strength values, determine the coverage coefficient of the adjacent area；
Determine that first community overlaps coverage unit 304, for the coverage coefficient according to N number of adjacent area,
It is determined that the first community for meeting the requirement of the second communication standard coverage overlaps coverage, second communication standard
Coverage requirement is the signal for having the M signal strength values of adjacent area and the Serving cell in same MR
Intensity level meets setting relation, wherein, 3≤M≤N；
It is determined that overlapping coverage unit 305, first community during for by the M different values of correspondence overlaps covering
The cumulative second community that obtains of degree overlaps coverage, and according to each Serving cell correspondence in the region to be assessed
Second community overlap cell sum in coverage and region to be assessed, determine the region to be assessed the
Overlap coverage under two communication standards.
Because overlap coverage reflection to be the stronger cell of how many signal of same time click through same
Row overlaps covering.Therefore before step S101, a sampling position can be pre-set, by drive test side
Formula gathers the terminal in a period of time under the first communication standard on the setting sampled point in region to be assessed
The RSRP of terminal to report, wherein, i.e. the RSRP of Serving cell is the RSRP of the cell for setting sampled point collection
Middle maximum RSRP.
After the MR data of terminal to report are collected, the RSRP of the adjacent cell in MR and service are small
The RSRP in area determines the coverage coefficient of each adjacent area, the determination coverage coefficient elements specifically for：
From the MR of the Serving cell, it is determined that the MR comprising the adjacent area；From the MR comprising the adjacent area
In, determine that the signal strength values of the adjacent area and the difference of the signal strength values of the Serving cell are more than first
The MR of threshold value is effective MR of the adjacent area；By effective MR bars number of the adjacent area with described comprising institute
The ratio of the MR numbers of adjacent area is stated, is defined as the coverage coefficient of the adjacent area.
For example, so that the first communication standard is GSM network as an example, it is assumed that in the MR that collection is obtained, it is determined that clothes
Business cell absolute level Rxlev is 1000 more than the corresponding MR of -98dBm, and is more than from Rxlev
The adjacent area of Serving cell is determined in the corresponding MR of -98dBm, such as Serving cell is to that there should be 20 adjacent areas：
Adjacent area B1, adjacent area B2..., adjacent area B20.Identical operation is performed for each adjacent area, so that it is determined that
The coverage coefficient of the adjacent area.
Specifically, being directed to adjacent area B1Determine to include adjacent area B from 1000 MR1MR have 700,
The Rxlev and adjacent area B of Serving cell are determined from 700 MR1The difference of Rxlev having more than -6dB
Effect MR, it is determined that effective MR be 70, then adjacent area B1Corresponding coverage coefficient is 70/700=10%.
Presented when being measured based on GSM network MR be Serving cell each adjacent area in time of measuring kimonos
Business Cell level difference more than -6dB sampled point quantity and ratio, i.e., without intuitively present Serving cell each
Adjacent area is simultaneously and service Cell level difference is more than the situation of -6dB, and the embodiment of the present invention is further by adjacent area
Coverage coefficient carries out probability statistics and releases the adjacent area of more than three while meeting setting relation with Serving cell
First community overlaps coverage, the determination first community overlap coverage unit specifically for：According to the N
The coverage coefficient of individual adjacent area determines that meet the requirement of the second communication standard coverage first is small using the first formula
Area overlapping coverage, first formula is shown in formula 1, to repeat no more.
As an example it is assumed that Serving cell A has 20 adjacent area B1, adjacent area B2..., adjacent area B20, this
The signal strength values of a little adjacent areas are in time of measuring and service cell signal strength value is more than the coverage system of -6dB
Number ratio is B1%, B2% ..., BN%, then arbitrarily 3 will be selected using formula 1 from 20 adjacent areas
The coverage coefficient of adjacent area is multiplied, in calculating any 3 adjacent areas while appearing in a measurement report
Probability, it is and any 3 adjacent areas is correspondingIndividual result is added, and obtains occurring 3 adjacent areas simultaneously
Signal strength values in time of measuring and ratio C of the service cell signal strength value more than -6dB3%.Similarly,
Calculate successively and 4 adjacent areas occur simultaneously while the probability appeared in a measurement report is C4%, while going out
The probability that existing 5 adjacent areas appear in a measurement report simultaneously is C5%, etc., until occurring 20 simultaneously
The probability that individual adjacent area appears in a measurement report simultaneously is C20%.
After the calculating for completing first community overlap coverage, first during the just M different values of correspondence is small
Area overlapping coverage result add up and determines that the corresponding second community of the main serving cell overlaps covering
Degree.Determine formula for shown in formula 2.
Because what second community overlapped coverage representative is the corresponding small area overlapping coverage of the Serving cell, therefore
Corresponding small area overlapping coverage when releasing other cells successively as Serving cell, and then according to area to be assessed
The overlap coverage of each cell in domain obtains overlapping coverage cell, so that it is determined that going out the weight in region to be assessed
Superimposition cover degree, specifically, overlaps according to the corresponding second community of each Serving cell in the region to be assessed
Coverage, it is determined that meet overlapping coverage more than the second community of the 4th threshold value；Met more than the according to described
It is small in the number and the region to be assessed of the corresponding Serving cell of second community overlap coverage of four threshold values
Ratio between area's sum determines overlap coverage of the region to be assessed under the second communication standard.
For example, 5 cells of correspondence in region to be assessed, wherein correspondence when having two cells as Serving cell
Small area overlapping coverage value be more than 5%, therefore the two cells be overlap coverage cell, by two overlap
Coverage cell is made to compare with sum 5, and the overlap coverage for drawing region to be assessed is 2/5.
As above visible, the appraisal procedure of network quality can accurately utilize the first communication standard in the embodiment of the present invention
The network quality of lower MR data assessments Serving cell under the second communication standard so that assessment result is more accurate
Really, follow-up networking is conducive to.
In view of coverage requirement is overlapped in LTE_FDD evaluation criterias, measured using the MR of GSM network
The MR that data can evaluate LTE-FDD networks overlaps coverage, when evaluating LTE-FDD networks
When overlapping coverage less than 15%, then after LTE-FDD builds, network quality is likely to meet network quality
It is required that.If but when the overlap coverage for evaluating LTE-FDD networks is not less than 15%, when
After LTE-FDD builds, network quality is likely to that network quality requirement cannot be met, it is therefore desirable to determines and makes
The cell being a problem.If overlap coverage of the Serving cell under the second communication standard is more than Second Threshold,
Also include：Determine problem cells unit 306, for any selection K from N number of adjacent area, it is determined that
The coefficient correlation of the K adjacent area and the Serving cell, the coefficient correlation is by the K adjacent area
Ratio between the corresponding qualified MR numbers in each adjacent area and the MR numbers of the Serving cell is true
Fixed；
If each adjacent area is more than the 3rd threshold value with the coefficient correlation of the Serving cell in the K adjacent area,
The Serving cell is determined for problem cells, and K is the no more than positive integer of N.
For example, have 20 adjacent areas around a certain Serving cell, wherein, according to the MR data for obtaining, analysis
Show that at least 12 adjacent areas are all higher than 1% with the Serving cell coefficient correlation, then it is assumed that Serving cell is to ask
Topic cell, the specific value of K determines based on experience value.
So-called correlation refers to the coefficient correlation of each adjacent area and the Serving cell in this at least 12 adjacent areas
More than 1%, wherein coefficient correlation specifically determines that the determination problem is small by determining problem cells unit 306
Area's unit 306 specifically for：For an adjacent area in the K adjacent area, the Serving cell is determined
Difference between the signal strength values of the signal strength values of the adjacent area in MR and the Serving cell is more than institute
State the MR numbers of given threshold；MR numbers summation in the K adjacent area more than first threshold is obtained
Qualified MR numbers；By the MR of the MR numbers more than given threshold and the Serving cell
The ratio of number is defined as the corresponding coefficient correlation in the adjacent area.
Such as, in the MR obtained from collection, determine that Serving cell absolute level Rxlev is more than -98dBm
Corresponding MR is 1000, then determines service more than in the corresponding MR of -98dBm from Rxlev
MR number of the difference more than -6dB in the Rxlev of cell and this MR between the Rxlev of the first adjacent area
20, and determine the difference between the Rxlev of the second adjacent area in the Rxlev and this MR of Serving cell
MR number 30 of the value more than -6dB, the like, show that the number of corresponding MR is distinguished in 20 adjacent areas
Mesh.By these adjacent areas, corresponding MR numbers are divided by with 1000 respectively respectively, if the result being divided by is more than 1%,
Then think that this 12 adjacent areas are related with Serving cell, then it is assumed that Serving cell is problem cells, if conversely,
The multiplied result of part adjacent area is less than 1%, then have part adjacent area uncorrelated to Serving cell, therefore small with servicing
The related adjacent area number in area is less than 12, then Serving cell is not problem cells.
After problem cells are determined, based on LTE-FDD networks and GSM network co-space feedback system, can
Adjustment is optimized with the antenna to problem cells before LTE-FDD networkings, so as to ensure LTE-FDD
Network build up after network quality.Certainly, GSM network should be taken into account when GSM cell tested rotating platform is carried out
Covering demand and network quality.
In sum, on the one hand the embodiment of the present invention obtains the MR of the terminal to report under the first communication standard
(Measure Report, measurement report), and the MR and really in category region to be assessed is determined from the MR
Determine the corresponding N number of adjacent area of the Serving cell；On the other hand, for an adjacent area, according to belonging to the clothes
The signal strength values and the signal strength values of the Serving cell of adjacent area, determine institute described in the MR of cell of being engaged in
The coverage coefficient of adjacent area is stated, based on the corresponding coverage coefficient in each adjacent area, it is determined that meeting the second communication system
The first community of formula coverage requirement overlaps coverage, and first community during by the M different values of correspondence is overlapped to be covered
The cumulative second community that obtains of cover degree overlaps coverage, and according to each Serving cell pair in the region to be assessed
The second community answered overlaps the cell sum in coverage and region to be assessed, determines that the region to be assessed exists
Overlap coverage under second communication standard.It can be seen that, present invention determine that overlap coverage be according to first lead to
The actual MR for reporting of terminal is used as data source under letter standard, and the coverage coefficient of foundation adjacent area carries out probability
What statistics drew, the result had both met the evaluation criteria of the overlap coverage under the second communication standard, also can be accurate
Really using the network quality of MR data assessment Serving cells under the first communication standard so that assessment result is more
Accurately.
The present invention is with reference to method according to embodiments of the present invention, equipment (system) and computer program product
Flow chart and/or block diagram describe.It should be understood that can by computer program instructions realize flow chart and/
Or flow in each flow and/or square frame and flow chart and/or block diagram in block diagram and/or
The combination of square frame.These computer program instructions to all-purpose computer, special-purpose computer, embedded can be provided
The processor of processor or other programmable data processing devices is producing a machine so that by computer
Or the instruction of the computing device of other programmable data processing devices is produced for realizing in one stream of flow chart
The device of the function of being specified in journey or multiple one square frame of flow and/or block diagram or multiple square frames.
These computer program instructions may be alternatively stored in can guide computer or other programmable data processing devices
In the computer-readable memory for working in a specific way so that storage is in the computer-readable memory
Instruction is produced includes the manufacture of command device, and the command device is realized in one flow of flow chart or multiple streams
The function of being specified in one square frame of journey and/or block diagram or multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices, made
Obtain and series of operation steps is performed on computer or other programmable devices to produce computer implemented place
Reason, so as to the instruction performed on computer or other programmable devices is provided for realizing in flow chart one
The step of function of being specified in flow or multiple one square frame of flow and/or block diagram or multiple square frames.
, but those skilled in the art once know base although preferred embodiments of the present invention have been described
This creative concept, then can make other change and modification to these embodiments.So, appended right will
Ask and be intended to be construed to include preferred embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification without deviating from this hair to the present invention
Bright spirit and scope.So, if it is of the invention these modification and modification belong to the claims in the present invention and
Within the scope of its equivalent technologies, then the present invention is also intended to comprising these changes and modification.
Claims (10)
1. a kind of network quality appraisal procedure, it is characterised in that the method includes：
The measurement report MR of the terminal to report under the first communication standard is obtained, and is determined from the MR
Belong to the MR in region to be assessed；
For a Serving cell in region to be assessed, it is determined that belonging to the MR and the clothes of same Serving cell
N number of adjacent area of cell of being engaged in, N is positive integer；
For an adjacent area in N number of adjacent area of the Serving cell, according to the MR for belonging to the Serving cell
Described in adjacent area signal strength values and the signal strength values of the Serving cell, determine the covering of the adjacent area
Degree coefficient；
According to the coverage coefficient of N number of adjacent area, it is determined that meeting the of the second communication standard coverage requirement
One small area overlapping coverage, the second communication standard coverage requirement is have M neighbour in same MR
The signal strength values in area meet setting relation with the signal strength values of the Serving cell, wherein, 3≤M≤N；
First community during by the M different values of correspondence overlaps the cumulative second community that obtains of coverage and overlaps covering
Degree, and coverage and to be evaluated is overlapped according to the corresponding second community of each Serving cell in the region to be assessed
Estimate the cell sum in region, determine overlap coverage of the region to be assessed under the second communication standard.
2. the method for claim 1, it is characterised in that the covering according to N number of adjacent area
Degree coefficient, it is determined that the first community for meeting the requirement of the second communication standard coverage overlaps coverage, including：
Coverage coefficient according to N number of adjacent area determines to meet the covering of the second communication standard using the first formula
Spend desired first community and overlap coverage, first formula is：
Wherein, λMRepresent the coverage coefficient of m-th adjacent area, PMRepresentative has M in same measurement report
The signal strength values of individual adjacent area are more than the first of first threshold with the difference of the signal strength values of the Serving cell
Small area overlapping coverage,Represent any selection M from N number of adjacent area.
3. the method for claim 1, it is characterised in that the determination region to be assessed is
After overlap coverage under two communication standards, including：
If overlap coverage of the region to be assessed under the second communication standard is more than Second Threshold, from institute
Any selection K in N number of adjacent area is stated, the coefficient correlation of the K adjacent area and the Serving cell is determined,
The coefficient correlation be by the corresponding qualified MR numbers in each adjacent area in the K adjacent area with it is described
What the ratio between the MR numbers of Serving cell determined；
If each adjacent area is more than the 3rd threshold value with the coefficient correlation of the Serving cell in the K adjacent area,
The Serving cell is determined for problem cells, and K is the no more than positive integer of N.
4. the method for claim 1, it is characterised in that described for the N number of of the Serving cell
An adjacent area in adjacent area, according to belong to the signal strength values of adjacent area described in the MR of the Serving cell and
The signal strength values of the Serving cell, determine the coverage coefficient of the adjacent area, including：
From the MR of the Serving cell, it is determined that the MR comprising the adjacent area；
From the MR comprising the adjacent area, the signal strength values and the Serving cell of the adjacent area are determined
The difference of signal strength values is more than effective MR that the MR of first threshold is the adjacent area；
By the ratio of effective MR bars number of the adjacent area and the number of the MR comprising the adjacent area, really
It is set to the coverage coefficient of the adjacent area.
5. the method for claim 1, it is characterised in that described according to every in the region to be assessed
Cell sum in the individual corresponding second community overlap coverage of Serving cell and region to be assessed, it is determined that described
Overlap coverage of the region to be assessed under the second communication standard, including：
Coverage is overlapped according to the corresponding second community of each Serving cell in the region to be assessed, it is determined that full
Foot overlaps coverage more than the second community of the 4th threshold value；
According to the number for meeting and the corresponding Serving cell of coverage being overlapped more than the second community of the 4th threshold value
And the ratio between the cell sum in the region to be assessed determines the region to be assessed in the second communication system
Overlap coverage under formula.
6. a kind of network quality apparatus for evaluating, it is characterised in that the device includes：
Acquiring unit, the measurement report MR for obtaining the terminal to report under the first communication standard, and from
Determination belongs to the MR in region to be assessed in the MR；
Adjacent area determining unit, for according to for region to be assessed a Serving cell, it is determined that belong to same
N number of adjacent area of the MR of one Serving cell and the Serving cell, N is positive integer；
Determine coverage coefficient elements, for an adjacent area in the N number of adjacent area for the Serving cell,
According to the signal strength values and the signal of the Serving cell that belong to adjacent area described in the MR of the Serving cell
Intensity level, determines the coverage coefficient of the adjacent area；
Determine that first community overlaps coverage unit, for the coverage coefficient according to N number of adjacent area, really
Surely the first community for meeting the requirement of the second communication standard coverage overlaps coverage, and second communication standard covers
Cover degree requirement is have the M signal strength values of adjacent area strong with the signal of the Serving cell in same MR
Angle value meets setting relation, wherein, 3≤M≤N；
It is determined that overlapping coverage unit, first community during for by the M different values of correspondence overlaps coverage and tires out
Plus obtain second community and overlap coverage, and according to each Serving cell in the region to be assessed corresponding the
Cell sum in two small area overlapping coverages and region to be assessed, determines that the region to be assessed is logical second
Overlap coverage under letter standard.
7. device as claimed in claim 6, it is characterised in that the determination first community overlaps coverage
Unit specifically for：
Coverage coefficient according to N number of adjacent area determines to meet the covering of the second communication standard using the first formula
Spend desired first community and overlap coverage, first formula is：
Wherein, λMRepresent the coverage coefficient of m-th adjacent area, PMRepresentative has M in same measurement report
The signal strength values of individual adjacent area are more than the first of first threshold with the difference of the signal strength values of the Serving cell
Small area overlapping coverage,Represent any selection M from N number of adjacent area.
8. device as claimed in claim 6, it is characterised in that also including determining problem cells unit：
Determination problem cells unit, for the overlap in the region to be assessed under the second communication standard
When coverage is more than Second Threshold, any selection K, determines the K adjacent area from N number of adjacent area
With the coefficient correlation of the Serving cell, the coefficient correlation is by each adjacent area correspondence in the K adjacent area
Qualified MR numbers and the MR numbers of the Serving cell between ratio determine；
If each adjacent area is more than the 3rd threshold value with the coefficient correlation of the Serving cell in the K adjacent area,
The Serving cell is determined for problem cells, and K is the no more than positive integer of N.
9. device as claimed in claim 6, it is characterised in that the determination coverage coefficient elements are specific
For：
From the MR of the Serving cell, it is determined that the MR comprising the adjacent area；
From the MR comprising the adjacent area, the signal strength values and the Serving cell of the adjacent area are determined
The difference of signal strength values is more than effective MR that the MR of first threshold is the adjacent area；
By the ratio of effective MR bars number of the adjacent area and the number of the MR comprising the adjacent area, really
It is set to the coverage coefficient of the adjacent area.
10. device as claimed in claim 6, it is characterised in that the determination overlaps coverage unit tool
Body is used for：
Coverage is overlapped according to the corresponding second community of each Serving cell in the region to be assessed, it is determined that full
Foot overlaps coverage more than the second community of the 4th threshold value；
According to the number for meeting and the corresponding Serving cell of coverage being overlapped more than the second community of the 4th threshold value
And the ratio between the cell sum in the region to be assessed determines the region to be assessed in the second communication system
Overlap coverage under formula.
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