CN107438264A - Estate performance analysis method and device - Google Patents
Estate performance analysis method and device Download PDFInfo
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- CN107438264A CN107438264A CN201610357155.XA CN201610357155A CN107438264A CN 107438264 A CN107438264 A CN 107438264A CN 201610357155 A CN201610357155 A CN 201610357155A CN 107438264 A CN107438264 A CN 107438264A
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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
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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
Abstract
The embodiment of the present invention discloses a kind of estate performance analysis method, and methods described includes：Cell relations matrix is generated according to the drive test frequency sweep data of collection；According to the cell relations matrix, the two-way overlapping covering relation of minizone is determined, the performance of cell is analyzed according to the two-way overlapping covering relation.The embodiment of the present invention discloses a kind of estate performance analytical equipment.
Description
Technical field
The present invention relates to the cell management technology in radio communication, more particularly to estate performance analysis method and device.
Background technology
With developing rapidly for wireless network, wireless network is progressively for Long Term Evolution (Long Term Evolution, LTE)
Expand, the network coverage quality problem of LTE wireless network medium and small intervals also progressively emerges, thus needs covering to cell, cuts
The performance such as change and disturb analyzed, to solve the problems, such as network coverage quality.
Existing estate performance analysis method has following two：
First, analyzed by measurement report (Measurement Report, MR) data：Pass through the LTE in MR data
Defined neighboring BS relationship and the Reference Signal Received Power of undefined neighboring BS relationship cell are analyzed, according to LTE serving cells
Main carrier Reference Signal Received Power (Reference Signal Receiving Power, RSRP) received signal code work(
Rate and the defined neighboring BS relationship of LTE and the main carrier RSRP of undefined neighboring BS relationship cell received signal code power, calculate
Small area overlapping cover index；When small area overlapping coverage index is more than 5%, high overlapping coverage cell is defined as, so as to this
A little high overlapping coverage cells carry out selective analysis and investigation, further to be optimized to high overlapping coverage cell.
Second, based on OSS (The Office of Strategic Services, OSS) statistics
Covering, switching and interference relationships analysis method：In LTE wireless networks, covering intersects and the interference of mould 3 frequently results in terminal
Call drop and handoff failure, the increase of the degradation and data transmission delay of terminal transmission rate is even resulted in, is united using OSS
Count after making labor to Key Performance Indicator (Key Performance Indication, KPI) of handoff failure etc.,
Usually it can be found that certain cell is intersected with the covering between peripheral cell, edge covers etc., so as to for analysis, evade physical area mark
Know (Physical Cell Identifier, PCI) conflict (PCI Collision) and PCI confusion (PCI Confusion),
And reduce the interference of mould 3 and data analysis basis is provided.
Above-mentioned MR analysis methods and OSS statistical analysis techniques, have the following disadvantages：
1st, MR shortage of data rate is serious, and sampling difficulty and sampling human cost are high, and most of MR data lose direction
Angle and the important collection information of the time difference two, so as to be accurately positioned to each sampled point, further resulting in can not be right
Overlapping covered carry out depth analysis.
2nd, covering relation and handoff relation based on OSS analysiss of statistical data minizone, a kind of often analysis afterwards,
It can just be pinpointed the problems after KPI extreme degradations or customer complaint and attempt to solve the problems, such as, so as to cause the low-level details that KPI deteriorates
Information is difficult backtracking, can not obtain covering, the spatial relation figure between mould 3 is disturbed and switch, has a strong impact on that KPI is analyzed and optimized
Effect.
Therefore, the existing estate performance analysis method degree of accuracy is not high, has certain limitation.
The content of the invention
In order to solve the above technical problems, the embodiment of the present invention it is expected to provide a kind of estate performance analysis method and device, energy
Enough accurate judgement minizone is overlapping covered, provides accurate effective information for analysis estate performance, expands estate performance
The application of analysis method.
The technical proposal of the invention is realized in this way：
A kind of estate performance analysis method, methods described include：
Cell relations matrix is generated according to the drive test frequency sweep data of collection；
The two-way overlapping covering relation of minizone is determined according to the cell relations matrix, according to the two-way overlapping covering
The performance of relationship analysis cell.
It is described to be included according to the drive test frequency sweep data of collection generation cell relations matrix in such scheme：
The performance indications of the adjacent area of first community are obtained, obtain first performance index, wherein, the first community is：Root
The cell scanned is arranged according to the order of signal intensity from big to small or from small to large according to the drive test frequency sweep data
Sequence, the Target cell acquired, the Target cell are when sequencer procedure is to be ranked up from big to small, are ranked the first
Cell；Or when sequencer procedure is to be ranked up from small to large, come the cell of last position；
The performance indications of the adjacent area of second community are obtained, obtain the second performance indications, wherein, the second community is described
Cell of any adjacent area as Target cell in the adjacent area of first community；
The first performance index and second performance indications are merged, generate cell relations matrix.
It is described to determine that the two-way overlapping covering relation of minizone includes according to the cell relations matrix in such scheme：
The relative superposition coverage of cell is determined according to the cell relations matrix；
When the relative superposition coverage is more than the first predetermined threshold value, the cell is attached most importance to folded coverage cell；
The overlapping coverage cell is classified, obtains classification information, the classification information is：Overlapping covering is actively dry
Disturb cell, the passive interfered cell of overlapping covering, the overlapping mutual interfered cell of covering.
In such scheme, the relative superposition coverage is：
First sampled point of the Target cell differs the second sampled point pair of the second predetermined threshold value with neighboring area signal intensity
Cell number and with the first sampling number in Target cell the ratio answered；Wherein, first sampling number is the mesh
Mark quantity of the cell signal strength more than the sampled point of the 5th predetermined threshold value.
It is described classification is carried out to the overlapping coverage cell to include in such scheme：
It is less than the flat of the signal intensity of the sampled point of the second predetermined threshold value according to first community and neighboring area signal strength difference
Average, second community and neighboring area signal strength difference be less than the second predetermined threshold value sampled point signal intensity average value, with
And the signal intensity of second community and first community is less than the average value of the signal intensity of the sampled point of the second predetermined threshold value, to institute
Overlapping coverage cell is stated to be classified；Wherein, the first community and second community are respectively to make in the cell relations matrix
For the cell of Target cell；
If the first community is less than the signal intensity of the sampled point of the second predetermined threshold value with neighboring area signal strength difference
Average value is more than the letter that the 3rd predetermined threshold value, second community and neighboring area signal strength difference are less than the sampled point of the second predetermined threshold value
The average value of number intensity be less than the 4th predetermined threshold value and the signal intensity of the second community and first community to be less than second default
When the average value of the signal intensity of the sampled point of threshold value is more than four predetermined threshold value, the first community is attached most importance to superimposition lid master
Dynamic interfered cell；
If the first community is less than the signal intensity of the sampled point of the second predetermined threshold value with neighboring area signal strength difference
Average value is less than the letter that the 3rd predetermined threshold value, second community and neighboring area signal strength difference are less than the sampled point of the second predetermined threshold value
The average value of number intensity be more than the 4th predetermined threshold value and the signal intensity of the second community and first community to be less than second default
When the average value of the signal intensity of the sampled point of threshold value is less than four predetermined threshold value, the first community is attached most importance to superimposition lid quilt
Dynamic interfered cell；
If the first community is less than the signal intensity of the sampled point of the second predetermined threshold value with neighboring area signal strength difference
Average value is less than the letter that the 3rd predetermined threshold value, second community and neighboring area signal strength difference are less than the sampled point of the second predetermined threshold value
The average value of number intensity be less than the 4th predetermined threshold value and the signal intensity of the second community and first community to be less than second default
When the average value of the signal intensity of the sampled point of threshold value is less than four predetermined threshold value, the first community and described second small
Area attaches most importance to the mutual interfered cell of superimposition lid.
A kind of estate performance analytical equipment, described device include：
Generation module, for generating cell relations matrix according to the drive test frequency sweep data of collection；
Processing module, for determining the two-way overlapping covering relation of minizone according to the cell relations matrix, according to institute
State the performance of two-way overlapping covering relation analysis cell.
In such scheme, the generation module is specifically used for：
The performance indications of the adjacent area of first community are obtained, obtain first performance index, wherein, the first community is：Root
The cell scanned is arranged according to the order of signal intensity from big to small or from small to large according to the drive test frequency sweep data
Sequence, the Target cell acquired, the Target cell are when sequencer procedure is to be ranked up from big to small, are ranked the first
Cell；Or when sequencer procedure is to be ranked up from small to large, come the cell of last position；
The performance indications of the adjacent area of second community are obtained, obtain the second performance indications, wherein, the second community is described
Cell of any adjacent area as Target cell in the adjacent area of first community；
The first performance index and second performance indications are merged, generate cell relations matrix.
In such scheme, the processing module is specifically used for：
The relative superposition coverage of cell is determined according to the cell relations matrix；
When the relative superposition coverage is more than the first predetermined threshold value, the cell is attached most importance to folded coverage cell；
The overlapping coverage cell is classified, obtains classification information, the classification information is：Overlapping covering is actively dry
Disturb cell, the passive interfered cell of overlapping covering, the overlapping mutual interfered cell of covering.
In such scheme, the relative superposition coverage is：
First sampled point of the Target cell differs the second sampled point pair of the second predetermined threshold value with neighboring area signal intensity
Cell number and with the first sampling number in Target cell the ratio answered, wherein, first sampling number is the mesh
Mark quantity of the cell signal strength more than the sampled point of the 5th predetermined threshold value.
In such scheme, the processing module is additionally operable to：
It is less than the flat of the signal intensity of the sampled point of the second predetermined threshold value according to first community and neighboring area signal strength difference
Average, second community and neighboring area signal strength difference be less than the second predetermined threshold value sampled point signal intensity average value, with
And the signal intensity of second community and first community is less than the average value of the signal intensity of the sampled point of the second predetermined threshold value to institute
Overlapping coverage cell is stated to be classified, wherein, the first community and second community are respectively to make in the cell relations matrix
For the cell of Target cell；
If the first community is less than the signal intensity of the sampled point of the second predetermined threshold value with neighboring area signal strength difference
Average value is more than the letter that the 3rd predetermined threshold value, second community and neighboring area signal strength difference are less than the sampled point of the second predetermined threshold value
The average value of number intensity be less than the 4th predetermined threshold value and the signal intensity of the second community and first community to be less than second default
When the average value of the signal intensity of the sampled point of threshold value is more than four predetermined threshold value, the first community is attached most importance to superimposition lid master
Dynamic interfered cell；
If the first community is less than the signal intensity of the sampled point of the second predetermined threshold value with neighboring area signal strength difference
Average value is less than the letter that the 3rd predetermined threshold value, second community and neighboring area signal strength difference are less than the sampled point of the second predetermined threshold value
The average value of number intensity be more than the 4th predetermined threshold value and the signal intensity of the second community and first community to be less than second default
When the average value of the signal intensity of the sampled point of threshold value is less than four predetermined threshold value, the first community is attached most importance to superimposition lid quilt
Dynamic interfered cell；
If the first community is less than the signal intensity of the sampled point of the second predetermined threshold value with neighboring area signal strength difference
Average value is less than the letter that the 3rd predetermined threshold value, second community and neighboring area signal strength difference are less than the sampled point of the second predetermined threshold value
The average value of number intensity be less than the 4th predetermined threshold value and the signal intensity of the second community and first community to be less than second default
When the average value of the signal intensity of the sampled point of threshold value is less than four predetermined threshold value, the first community and described second small
Area attaches most importance to the mutual interfered cell of superimposition lid.
Estate performance analysis method provided in an embodiment of the present invention and device, generated according to the drive test frequency sweep data of collection small
Cell relation matrix, and according to the two-way overlapping covering relation of cell relations matrix acquisition minizone, so as to analyze small area overlapping
The performances such as covering, to solve the problems, such as that covering relation of minizone etc. can not accurately analyze presentation；Wherein, above-mentioned cell relations square
Battle array can also be used to analyze the performances such as switching, the interference of cell.This method, being capable of accurate judgement by generating cell relations matrix
Minizone it is overlapping covered, provides accurate effective information for analysis estate performance, expansion estate performance analysis method
Application.
Brief description of the drawings
Fig. 1 is the flow chart of estate performance analysis method provided in an embodiment of the present invention；
Fig. 2 is the analysis schematic diagram of the two-way overlapping covering of cell；
Fig. 3 is the schematic flow sheet of the determination two-way overlapping covering relation of cell provided in an embodiment of the present invention；
Fig. 4 is the structural representation of estate performance analytical equipment provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes.
The embodiment of the present invention is to be adapted to the estate performance analysis system of various networks, is specially adapted to LTE wireless networks
In.The embodiment of the present invention provides a kind of estate performance analysis method, to solve the covering relation of minizone, handoff relation and interference
Relation etc. can not accurately analyze the problem of presentation, and this method is swept by carrying out sampling analysis to drive test frequency sweep data according to drive test
Frequency is closed according to the structure for carrying out cell relations matrix, and according to cell relations matrix to obtain the two-way overlapping covering of minizone
System, so as to analyze small area overlapping covering performance, the cell relations matrix can also be used to analyze the property such as switching, the interference of cell
Can, the reasonability of comprehensive descision MPS process.
Fig. 1 is the flow chart of estate performance analysis method provided in an embodiment of the present invention, as shown in figure 1, this method includes：
Step 101：Cell relations matrix is generated according to the drive test frequency sweep data of collection.
In this step, drive test frequency sweep data are gathered, and sampling analysis is carried out to drive test frequency sweep data, according to drive test frequency sweep
Data carry out the structure of cell relations matrix；Wherein, cell relations matrix is record reflection Target cell and neighboring BS relationship value
Relational matrix table.Specifically, according to the crucial metrical information received in certain period of time, calculate, obtain according to computation rule
The PCI conflict numbers accumulated value of arbitrary target cell and any neighboring interval, PCI confusion number accumulated value, RSRP differences accumulated value,
The accumulated value of Target cell and neighboring interval occurrence frequency, Target cell and the mould 6 of neighboring interval PCI moulds 3/ interference number accumulated value etc.,
And merge gained is calculated with the network configuration information of current LTE system, generation can reflect any two minizone in LTE system
The relational matrix table of relation value.
It should be noted that the Target cell in the embodiment of the present invention is signal intensity highest cell.LTE signal intensities
Statistical information includes：Received signal strength indicator (RSSI), Reference Signal Received Quality (RSRQ), Reference Signal Received Power
(RSRP), signal to noise ratio (SNR) etc., other statistical values can also be expanded to come statistical signal intensity, future with RSRP here, herein
Do not limit.The cell strength that the selection of Target cell can be scanned by frequency sweep, from being ranked up to weak by force, before coming most
Cell as Target cell, the selection that can also be responded according to other sortords, do not limit herein.
Step 102：According to cell relations matrix, the two-way overlapping covering relation of minizone is determined, overlapping is covered according to two-way
The performance of lid relationship analysis cell.
In this step, according to the cell relations matrix generated, the two-way overlapping covering relation of cell to each other is determined.
The two-way overlapping covering relation be for the cell in cell relations matrix, any one Target cell as Target cell,
Its overlapping covering relation between adjacent area.Overlapping covering of cell etc. is further analyzed according to above-mentioned two-way overlapping covering relation
Performance.Such as cell A and cell B be when being respectively Target cell, cell B and cell A signal intensity, again are each analyzed respectively
Folded degree or other performance indications.
Fig. 2 is the analysis schematic diagram of the two-way overlapping covering of cell, as shown in Fig. 2 work as centered on Target cell cell A,
The property indices of its adjacent area cellB, cellC ... overlapping covering point are analyzed, so as to analyze Target cell to each adjacent area
Overlapping covering influences；When one of adjacent area cellB is Target cell, its adjacent area cellA, cellC ... .. weight is analyzed
The property indices of superimposition lid point, influenceed so as to analyze overlapping coverings of the Target cell cellB on cellA；It is above-mentioned to analyze
Journey, when defining centered on cellA, impact analysis to cellB is positive overlapping covering analyzing；When centered on definition cellB
Wait, the impact analysis to cellA is reverse overlapping covering analyzing.
The embodiment of the present invention is by cell relations matrix and above-mentioned definition relation, it can be found that any two minizone is mutual
Mutually influence relation, the whole network cell is represented by the relational matrix of these relations two-by-two, so as to one overlapping coverage areas of accurate judgement
Domain, it is caused by the covering problem of which specific cell on earth, accurate effective analysis is provided so as to optimize personnel for existing network
Information.
It should be noted that step 102 is closed by being illustrated exemplified by the overlapping covering relation for analyzing cell according to the cell
It is the detailed process of matrix analysis estate performance；In the cell relations matrix that step 101 generates, it can also be closed according to the cell
It is switching, interference of the Parameter analysis cells such as the handoff failure number accumulated value, the interference of mould 3 number, the interference number of mould 6 of matrix etc.
Performance, the analysis for the performance such as switching, disturbing, does not limit and describes in detail here.
The estate performance analysis method of the present embodiment, reflection Target cell and neighbour are generated according to the drive test frequency sweep data of collection
The cell relations matrix table of cell relation value, so as to determine Target cell and neighboring interval according to the cell relations matrix table
Two-way overlapping relation, and then according to the overlapping covering performance of two-way overlapping relation analysis cell；The cell of this method generation is closed
It is that matrix can also be used to analyze the performances such as switching, the interference of cell.This method is cell by generating cell relations matrix
Can analysis, the accurate effective information of the offer such as positioning problems, expand the application of estate performance analysis method.
Further, it is described to be included according to the drive test frequency sweep data of collection generation cell relations matrix：
The performance indications of the adjacent area of first community are obtained, obtain first performance index, wherein, the first community is：Root
The cell scanned is arranged according to the order of signal intensity from big to small or from small to large according to the drive test frequency sweep data
Sequence, the Target cell acquired, the Target cell are when sequencer procedure is to be ranked up from big to small, are ranked the first
Cell, or come the cell of last position when sequencer procedure is to be ranked up from small to large when described；
The performance indications of the adjacent area of second community are obtained, obtain the second performance indications, wherein, the second community is described
Cell of any adjacent area as Target cell in the adjacent area of first community；
The first performance index and second performance indications are merged, generate cell relations matrix.
Specifically, generation cell relations matrix includes step in detail below：
The cell scanned is ranked up according to signal intensity according to drive test frequency sweep data, signal intensity highest cell
As Target cell, obtain and analyze the performance indications of Target cell and its adjacent area, the performance indications include：TAC, BCI, frequency
Point, PCI, total number of sample points, average RSRP, average SINR, relative covering are with interior total number of sample points, relative covering with interior average
RSRP, relative covering are dry with frequency with whether there is in interior PCI conflict numbers, relative covering band with interior average SINR, relatively covering
The measurement data such as disturb, other measurement data can also be included, set with specific reference to systematic function and user's request.
Wherein, the acquisition of above-mentioned performance indications is mainly included by calculating the crucial metrical information in certain period of time：
1st, the PCI conflict number accumulated values between arbitrary target cell and any adjacent cell are calculated, are designated as PCIn；
2nd, calculate and occur the accumulated value that mould 3 disturbs number between arbitrary target cell and any adjacent cell, be designated as M3；
3rd, calculate and occur the accumulated value that mould 6 disturbs number between arbitrary target cell and any adjacent cell, be designated as M6；
4th, arbitrary target cell and the SINR of whole sampled points of adjacent cell of the signal intensity in 6db are calculated, is designated as
SINRdiff6；
5th, the handoff failure number of arbitrary target cell and adjacent cell of the signal intensity in 6db is calculated, is designated as N；
6th, the communication distance of arbitrary target cell and adjacent cell of the signal intensity in 6db is calculated, is designated as D；
7th, RSRPdiff6_s is calculated：Adjacent area is less than the sampling number in 6db compared to Target cell RSRP differences；
8th, RSRPdiff6_n is calculated：When adjacent area is as Target cell, former Target cell now turns into adjacent area, former mesh
Mark the sampling number that cell is less than with adjacent area (adjacent area turns into Target cell) RSRP differences in 6db；
9th, RSRPavg_s is calculated：Adjacent cell as non-targeted cell, occur in the neighbor list all greater than -100db
Sampled point average value；
10th, RSRPavg_n is calculated：When adjacent area is as Target cell, former Target cell now turns into adjacent area, former target
Cell appears in the average value of whole sampled points more than -100 in adjacent area (adjacent area turns into Target cell) list；
11st, SINRavg_s is calculated：Adjacent cell as non-targeted cell, occur in the neighbor list all greater than-
The average sinr value of 100db sampled point；
12nd, SINRavg_n is calculated：When adjacent area is as Target cell, former Target cell now turns into adjacent area, former target
Cell appears in the SINR average values of whole sampled points more than -100 in adjacent area (adjacent area turns into Target cell) list；
…
In above-mentioned crucial metrical information, the method for obtaining PCI conflict number accumulated values is：Terminal connects in certain Target cell
When entering LTE system and reporting frequency sweep data, the Target cell whole frequency sweep data are counted one by one, if finding the PCI of its adjacent cell
When identical with the PCI of the Target cell, be determined as PCI conflict, then the Target cell to should adjacent cell matrix position will
PCIn cumulative 1.
In above-mentioned crucial metrical information, the method for obtaining the accumulated value of the interference number of mould 3 is：Terminal is in certain Target cell
When accessing LTE system and reporting frequency sweep data, the Target cell whole frequency sweep data are counted one by one, if finding its adjacent cell
When the PCI moulds 3 of the value of PCI moulds 3 and the Target cell are worth identical, it is determined as that mould 3 disturbs, then in the Target cell to should adjacent cell
Matrix position M3 is added up 1.
Then using any adjacent area as Target cell, the performance indications of current goal cell are obtained, performance indications are equally wrapped
Include the above.
The performance matrix that can generate Target cell is calculated by above-mentioned analysis and the performance of Target cell is used as in its adjacent area
Matrix, these performance matrix are merged, generate the relational matrix two-by-two of Target cell and neighboring interval.With cell XXX and small
Illustrated exemplified by area YYY, the cell relations matrix of generation is as shown in table 1 below：
Table 1
Fig. 3 is the schematic flow sheet of the determination two-way overlapping covering relation of cell provided in an embodiment of the present invention, such as Fig. 3 institutes
Show, on the basis of embodiment one, this method includes：
Step 201：According to cell relations matrix, the relative superposition coverage of cell is determined.
In this step, relative superposition coverage is：First sampled point of Target cell differs with neighboring area signal intensity
Cell number corresponding to second sampled point of two predetermined threshold values and the ratio with the first sampling number in Target cell, described
One sampling number is quantity of the Target cell signal intensity more than the sampled point of the 5th predetermined threshold value.
Such as：When A is Target cell, its signal intensity exceedes the sampled point of a certain predetermined threshold value, and the predetermined threshold value is root
Some value set according to systematic function or user's request, such as above-mentioned the first sampling number for meeting condition are 10000, then with
The sampling number that the second predetermined threshold value (6db) is differed in other cells of 10000 sampled points is respectively sampled point 1, sampling
Point 2 ..., cell number corresponding to its (sampled point 1, sampled point 2 ...) is respectively N1, N2 ..., then relative superposition coverage=
First sampling number of (N1+N2+ ...)/Target cell.Wherein, the second predetermined threshold value is according to the performance of system and the reality of user
Border demand is set, and this is illustrated exemplified by sentencing 6db.
Step 202：When relative superposition coverage is more than the first predetermined threshold value, cell is attached most importance to folded coverage cell.
In this step, overlapping coverage cell judges：During for A as Target cell, it is relatively heavy according to above-mentioned calculating
When the relative superposition coverage for the A that the method for superimposition cover degree obtains is more than a thresholding, that is, judge that A attaches most importance to folded coverage cell.Its
In, the thresholding is set according to the performance of system and the actual demand of user, is not limited herein.
Step 203：Counterweight is folded coverage cell and classified, and obtains classification information.
Wherein, the classification information is：Overlapping covering active interference cell, the passive interfered cell of overlapping covering, overlapping cover
Cover mutual interfered cell.
In this step, specifically for above-mentioned overlapping coverage cell, be further divided into overlapping covering active interference cell,
It is overlapping to cover passive interfered cell, the overlapping mutual interfered cell of covering.
The estate performance analysis method of the present embodiment, by further determining that two-way overlapping covering relation, illustrate two-way
In overlapping covering relation, the covering of mainly which cell is abnormal to cause the index of adjacent area to deteriorate, so as to disclose the shadow of minizone
The relation of sound.
Further, carrying out classification to the overlapping coverage cell includes：
It is less than the flat of the signal intensity of the sampled point of the second predetermined threshold value according to first community and neighboring area signal strength difference
Average, second community and neighboring area signal strength difference be less than the second predetermined threshold value sampled point signal intensity average value and
The signal intensity of second community and first community is less than the average value of the signal intensity of the sampled point of the second predetermined threshold value to described
Overlapping coverage cell is classified, wherein, the first community and second community are respectively conduct in the cell relations matrix
The cell of Target cell；
If the first community is less than the signal intensity of the sampled point of the second predetermined threshold value with neighboring area signal strength difference
Average value is more than the letter that the 3rd predetermined threshold value, second community and neighboring area signal strength difference are less than the sampled point of the second predetermined threshold value
The average value of number intensity be less than the 4th predetermined threshold value and the signal intensity of the second community and first community to be less than second default
When the average value of the signal intensity of the sampled point of threshold value is more than four predetermined threshold value, the first community is attached most importance to superimposition lid master
Dynamic interfered cell；
If the first community is less than the signal intensity of the sampled point of the second predetermined threshold value with neighboring area signal strength difference
Average value is less than the letter that the 3rd predetermined threshold value, second community and neighboring area signal strength difference are less than the sampled point of the second predetermined threshold value
The average value of number intensity be more than the 4th predetermined threshold value and the signal intensity of the second community and first community to be less than second default
When the average value of the signal intensity of the sampled point of threshold value is less than four predetermined threshold value, the first community is attached most importance to superimposition lid quilt
Dynamic interfered cell；
If the first community is less than the signal intensity of the sampled point of the second predetermined threshold value with neighboring area signal strength difference
Average value is less than the letter that the 3rd predetermined threshold value, second community and neighboring area signal strength difference are less than the sampled point of the second predetermined threshold value
The average value of number intensity be less than the 4th predetermined threshold value and the signal intensity of the second community and first community to be less than second default
When the average value of the signal intensity of the sampled point of threshold value is less than four predetermined threshold value, the first community and described second small
Area attaches most importance to the mutual interfered cell of superimposition lid.
Specific deterministic process is as follows：
(1) deterministic process of overlapping covering active interference cell：
When A cells are Target cell, if it meets following conditions simultaneously：
1st, SINRdiff6_A is more than 10；
2nd, SINRdiff6_B is less than 5；
3 and when B is Target cell, SINRdiff6_A ' (now B is Target cell, and A is adjacent area) are more than 5；
Then judge that cell A attaches most importance to superimposition lid active interference cell.
Above-mentioned SINRdiff6_A is disclosed more than 10 for overlapping coverage cell A, and its own is disturbed not serious；
Above-mentioned SINRdiff6_B is less than 5 and disclosed, and for adjacent area B, is necessarily disturbed；
Above-mentioned SINRdiff6_A ' be more than 5 disclose, when when adjacent area, B is changed into Target cell, now A cells and be not affected by weight
Folded cover jamming.
Real work directive significance is：Investigation rectification preferentially should be carried out to A, reduce its interference to peripheral cell.
(2) deterministic process of the overlapping passive interfered cell of covering：
When A cells are Target cell, if it meets following conditions simultaneously：
1st, SINRdiff6_A is less than 10；
2nd, SINRdiff6_B is more than 5；
3 and when B is Target cell, SINRdiff6_A ' (now B is Target cell, and A is adjacent area) are less than 5；
Then judge that cell A attaches most importance to the passive interfered cell of superimposition lid.
Above-mentioned SINRdiff6_A is disclosed less than 10 for overlapping coverage cell A, and its own is interfered；
Above-mentioned SINRdiff6_B is more than 5 and disclosed, and for adjacent area B, is not interfered；
Above-mentioned SINRdiff6_A ' is less than 5 and disclosed, and when when adjacent area, B is changed into Target cell, now A cells are covered by overlapping
Lid interference.
Real work directive significance is：Investigation rectification preferentially should be carried out to B, reduce its interference to peripheral cell.
(3) deterministic process of the overlapping mutual interfered cell of covering：
When A cells are Target cell, while meet following conditions：
1st, SINRdiff6_A is less than 10；
2nd, SINRdiff6_B is less than 5；
3 and when B is Target cell, SINRdiff6_B ' be less than 10 and SINRdiff6_A ' (now B is Target cell,
A is adjacent area) it is less than 5
Then judge that cell A and B attach most importance to the mutual interfered cell of superimposition lid.
Above-mentioned SINRdiff6_A is disclosed less than 10 for overlapping coverage cell A, and its own is interfered；
Above-mentioned SINRdiff6_B is less than 5 and disclosed, and for adjacent area B, is interfered；
Above-mentioned SINRdiff6_B ' is less than 10 and SINRdiff6_A ' and is less than 5 announcements, when when adjacent area, B is changed into Target cell
Wait, its own and adjacent area A cells are all by overlapping cover jamming.
Wherein in (1) (2) (3), SINRdiff6_A is that first community and neighboring area signal strength difference are default less than second
The average value of the signal intensity of the sampled point of threshold value；SINRdiff6_B is that second community and neighboring area signal strength difference are less than the
The average value of the signal intensity of the sampled point of two predetermined threshold values；SINRdiff6_A ' is strong for the signal of second community and first community
For degree less than the average value of the signal intensity of the sampled point of the second predetermined threshold value, first community and second community are respectively cell relations
Cell in matrix as Target cell.3rd predetermined threshold value, the 4th predetermined threshold value are according to the performance of system and the reality of user
Border demand is set, and is illustrated respectively exemplified by 10,5 herein.
The embodiment of the present invention passes through the structure of cell relations matrix, RSRP, SINR of the overlapping covering sampled point of association analysis
Etc. index, the influence relation of two minizones can reveal that；Further, can also by the other specification of cell relations matrix,
Such as by performances such as the switching of the Parameter analysis such as handoff failure number accumulated value, PCI, interference, do not elaborate herein.This reality
Example is applied exemplified by covering overlapping performance, illustrates how to be analyzed using cell relations matrix.
Effect in actual applications is exemplified below：
When A cell target cells, there is n 6db differences adjacent area, if this n 6db differences adjacent area there are different journeys
Degree deteriorates, and when n adjacent area is Target cell respectively, A cells do not have corruptions but as adjacent area, illustrate that this is overlapping
In covering relation, the covering of mainly A cells is abnormal to cause the index of adjacent area to deteriorate, in staff's optimization process mainly for
A cells optimize, and for other cells, can first observe, after optionally judge.
In actual analysis, because a cell can be related with several 6db adjacent areas, so to some cell, can
Overlapping covering active interference cell and the overlapping passive interfered cell of covering can be judged as simultaneously, it is whole that this kind of cell is also required to emphasis
Change.
In actual analysis, the RSRP averages, SINR averages and drive test that can be combined with cell whole frequency sweep sampled point are swept
Frequency is according to progress Conjoint Analysis.
Simultaneously for overlapping coverage cell, but what index did not deteriorate, it is proposed that include in routine analysis, carry out emphasis prison
Control.
The embodiment of the present invention has advantages below in actual applications：
1st, the cell relations matrix developing algorithm of independent development complete set, the cell relations matrix is according to certain period of time
The crucial metrical information inside received, is calculated according to computation rule, obtains the PCI punchings between arbitrary target cell and any adjacent cell
Occurrence frequency is tired between prominent number accumulated value, PCI confusion number accumulated value, RSRP differences accumulated value, Target cell and adjacent cell
The mould 6 of PCI moulds 3/ interference number accumulated value etc. between value added, Target cell and adjacent cell, and gained and current LTE system will be calculated
Network configuration information merges, and generation can reflect the relational matrix table of any two minizone relation value in LTE system.
2nd, the algorithm flow of complete set is proposed, according to the relational matrix generated, judges cell to each other two-way heavy
Folded covering relation, two-way overlapping covering relation here, when to refer to cell A and cell B be respectively frequency sweep peak signal, each point
Cell B and cell A signal intensity, degree of overlapping, the analysis method of other performance indications are not analyzed.
Therefore, the embodiment of the present invention has the characteristics that simple and easy, efficient, directly perceived.
Fig. 4 is the structural representation of estate performance analytical equipment provided in an embodiment of the present invention, as shown in figure 4, the dress
Put including：
Generation module 11, for generating cell relations matrix according to the drive test frequency sweep data of collection；
Processing module 12, for according to the cell relations matrix, determining the two-way overlapping covering relation of minizone, according to
The performance of the two-way overlapping covering relation analysis cell.
The estate performance analytical equipment that the present embodiment provides is device corresponding with the estate performance analysis method shown in Fig. 1
Embodiment, its effect is similar with principle, and here is omitted.
Further, the generation module 11 is specifically used for：
The performance indications of the adjacent area of first community are obtained, obtain first performance index, wherein, the first community is：Root
The cell scanned is arranged according to the order of signal intensity from big to small or from small to large according to the drive test frequency sweep data
Sequence, the Target cell acquired, the Target cell are when sequencer procedure is to be ranked up from big to small, are ranked the first
Cell, or come the cell of last position when sequencer procedure is to be ranked up from small to large when described；
The performance indications of the adjacent area of second community are obtained, obtain the second performance indications, wherein, the second community is described
Cell of any adjacent area as Target cell in the adjacent area of first community；
The first performance index and second performance indications are merged, generate cell relations matrix.
Further, the processing module 12 is specifically used for：
According to the cell relations matrix, the relative superposition coverage of cell is determined；
When the relative superposition coverage is more than the first predetermined threshold value, the cell is attached most importance to folded coverage cell；
The overlapping coverage cell is classified, obtains classification information, the classification information is：Overlapping covering is actively dry
Disturb cell, the passive interfered cell of overlapping covering, the overlapping mutual interfered cell of covering.
Further, the relative superposition coverage is：
First sampled point of the Target cell differs the second sampled point pair of the second predetermined threshold value with neighboring area signal intensity
Cell number and with the first sampling number in Target cell the ratio answered, wherein, first sampling number is the mesh
Mark quantity of the cell signal strength more than the sampled point of the 5th predetermined threshold value.
Further, the processing module 12 is additionally operable to：
It is less than the flat of the signal intensity of the sampled point of the second predetermined threshold value according to first community and neighboring area signal strength difference
Average, second community and neighboring area signal strength difference be less than the second predetermined threshold value sampled point signal intensity average value and
The signal intensity of second community and first community is less than the average value of the signal intensity of the sampled point of the second predetermined threshold value to described
Overlapping coverage cell is classified, wherein, the first community and second community are respectively conduct in the cell relations matrix
The cell of Target cell；
If the first community is less than the signal intensity of the sampled point of the second predetermined threshold value with neighboring area signal strength difference
Average value is more than the letter that the 3rd predetermined threshold value, second community and neighboring area signal strength difference are less than the sampled point of the second predetermined threshold value
The average value of number intensity be less than the 4th predetermined threshold value and the signal intensity of the second community and first community to be less than second default
When the average value of the signal intensity of the sampled point of threshold value is more than four predetermined threshold value, the first community is attached most importance to superimposition lid master
Dynamic interfered cell；
If the first community is less than the signal intensity of the sampled point of the second predetermined threshold value with neighboring area signal strength difference
Average value is less than the letter that the 3rd predetermined threshold value, second community and neighboring area signal strength difference are less than the sampled point of the second predetermined threshold value
The average value of number intensity be more than the 4th predetermined threshold value and the signal intensity of the second community and first community to be less than second default
When the average value of the signal intensity of the sampled point of threshold value is less than four predetermined threshold value, the first community is attached most importance to superimposition lid quilt
Dynamic interfered cell；
If the first community is less than the signal intensity of the sampled point of the second predetermined threshold value with neighboring area signal strength difference
Average value is less than the letter that the 3rd predetermined threshold value, second community and neighboring area signal strength difference are less than the sampled point of the second predetermined threshold value
The average value of number intensity be less than the 4th predetermined threshold value and the signal intensity of the second community and first community to be less than second default
When the average value of the signal intensity of the sampled point of threshold value is less than four predetermined threshold value, the first community and described second small
Area attaches most importance to the mutual interfered cell of superimposition lid.
In actual applications, the generation module 11 and processing module 12 can be by the central processing units positioned at terminal
(CPU), microprocessor (MPU), digital signal processor (DSP) or field programmable gate array (FPGA) etc. are realized.
It should be understood by those skilled in the art that, embodiments of the invention can be provided as method, system or computer program
Product.Therefore, the shape of the embodiment in terms of the present invention can use hardware embodiment, software implementation or combination software and hardware
Formula.Moreover, the present invention can use the computer for wherein including computer usable program code in one or more to use storage
The form for the computer program product that medium is implemented on (including but is not limited to magnetic disk storage and optical memory etc.).
The present invention is the flow with reference to method according to embodiments of the present invention, equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that can be by every first-class in computer program instructions implementation process figure and/or block diagram
Journey and/or the flow in square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided
The processors of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that produced by the instruction of computer or the computing device of other programmable data processing devices for real
The device for the function of being specified in present one flow of flow chart or one square frame of multiple flows and/or block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which produces, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, so as in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
Claims (10)
1. a kind of estate performance analysis method, it is characterised in that methods described includes：
Cell relations matrix is generated according to the drive test frequency sweep data of collection；
The two-way overlapping covering relation of minizone is determined according to the cell relations matrix, according to the two-way overlapping covering relation
Analyze the performance of cell.
2. according to the method for claim 1, it is characterised in that described to generate cell pass according to the drive test frequency sweep data of collection
It is that matrix includes：
The performance indications of the adjacent area of first community are obtained, obtain first performance index, wherein, the first community is：According to institute
State drive test frequency sweep data to be ranked up the cell scanned according to the order of signal intensity from big to small or from small to large, obtain
The Target cell obtained, the Target cell are the cell when being ranked up from big to small, to rank the first when sequencer procedure；
Or when sequencer procedure is to be ranked up from small to large, come the cell of last position；
The performance indications of the adjacent area of second community are obtained, obtain the second performance indications, wherein, the second community is described first
Cell of any adjacent area as Target cell in the adjacent area of cell；
The first performance index and second performance indications are merged, generate cell relations matrix.
3. according to the method for claim 1, it is characterised in that described that minizone is determined according to the cell relations matrix
Two-way overlapping covering relation includes：
The relative superposition coverage of cell is determined according to the cell relations matrix；
When the relative superposition coverage is more than the first predetermined threshold value, the cell is attached most importance to folded coverage cell；
The overlapping coverage cell is classified, obtains classification information, the classification information is：Overlapping covering active interference is small
Area, the passive interfered cell of overlapping covering, the overlapping mutual interfered cell of covering.
4. according to the method for claim 3, it is characterised in that the relative superposition coverage is：
The second sampled point that first sampled point of the Target cell differs the second predetermined threshold value with neighboring area signal intensity is corresponding
Cell number and the ratio with the first sampling number in Target cell；Wherein, first sampling number is that the target is small
Quantity of area's signal intensity more than the sampled point of the 5th predetermined threshold value.
5. the method according to claim 3 or 4, it is characterised in that described that classification bag is carried out to the overlapping coverage cell
Include：
Be less than according to first community and neighboring area signal strength difference the signal intensity of the sampled point of the second predetermined threshold value average value,
Second community is less than the average value and second of the signal intensity of the sampled point of the second predetermined threshold value with neighboring area signal strength difference
The signal intensity of cell and first community is less than the average value of the signal intensity of the sampled point of the second predetermined threshold value, to described overlapping
Classified coverage cell；Wherein, the first community and second community are respectively that target is used as in the cell relations matrix
The cell of cell；
If the first community is less than being averaged for the signal intensity of the sampled point of the second predetermined threshold value with neighboring area signal strength difference
The signal that value is more than the sampled point that the 3rd predetermined threshold value, second community and neighboring area signal strength difference are less than the second predetermined threshold value is strong
The average value of degree is less than the 4th predetermined threshold value and the signal intensity of the second community and first community is less than the second predetermined threshold value
The average value of signal intensity of sampled point when being more than four predetermined threshold value, first community superimposition lid of attaching most importance to is actively dry
Disturb cell；
If the first community is less than being averaged for the signal intensity of the sampled point of the second predetermined threshold value with neighboring area signal strength difference
The signal that value is less than the sampled point that the 3rd predetermined threshold value, second community and neighboring area signal strength difference are less than the second predetermined threshold value is strong
The average value of degree is more than the 4th predetermined threshold value and the signal intensity of the second community and first community is less than the second predetermined threshold value
The average value of signal intensity of sampled point when being less than four predetermined threshold value, first community superimposition lid of attaching most importance to passively does
Disturb cell；
If the first community is less than being averaged for the signal intensity of the sampled point of the second predetermined threshold value with neighboring area signal strength difference
The signal that value is less than the sampled point that the 3rd predetermined threshold value, second community and neighboring area signal strength difference are less than the second predetermined threshold value is strong
The average value of degree is less than the 4th predetermined threshold value and the signal intensity of the second community and first community is less than the second predetermined threshold value
The average value of signal intensity of sampled point when being less than four predetermined threshold value, the first community and the second community are
The overlapping mutual interfered cell of covering.
6. a kind of estate performance analytical equipment, it is characterised in that described device includes：
Generation module, for generating cell relations matrix according to the drive test frequency sweep data of collection；
Processing module, for determining the two-way overlapping covering relation of minizone according to the cell relations matrix, according to described double
To the performance of overlapping covering relation analysis cell.
7. device according to claim 6, it is characterised in that the generation module is specifically used for：
The performance indications of the adjacent area of first community are obtained, obtain first performance index, wherein, the first community is：According to institute
State drive test frequency sweep data to be ranked up the cell scanned according to the order of signal intensity from big to small or from small to large, obtain
The Target cell obtained, the Target cell are the cell when being ranked up from big to small, to rank the first when sequencer procedure；
Or when sequencer procedure is to be ranked up from small to large, come the cell of last position；
The performance indications of the adjacent area of second community are obtained, obtain the second performance indications, wherein, the second community is described first
Cell of any adjacent area as Target cell in the adjacent area of cell；
The first performance index and second performance indications are merged, generate cell relations matrix.
8. device according to claim 6, it is characterised in that the processing module is specifically used for：
The relative superposition coverage of cell is determined according to the cell relations matrix；
When the relative superposition coverage is more than the first predetermined threshold value, the cell is attached most importance to folded coverage cell；
The overlapping coverage cell is classified, obtains classification information, the classification information is：Overlapping covering active interference is small
Area, the passive interfered cell of overlapping covering, the overlapping mutual interfered cell of covering.
9. device according to claim 8, it is characterised in that the relative superposition coverage is：
The second sampled point that first sampled point of the Target cell differs the second predetermined threshold value with neighboring area signal intensity is corresponding
Cell number and the ratio with the first sampling number in Target cell, wherein, first sampling number be the target it is small
Quantity of area's signal intensity more than the sampled point of the 5th predetermined threshold value.
10. device according to claim 8 or claim 9, it is characterised in that the processing module is additionally operable to：
Be less than according to first community and neighboring area signal strength difference the signal intensity of the sampled point of the second predetermined threshold value average value,
Second community is less than the average value and second of the signal intensity of the sampled point of the second predetermined threshold value with neighboring area signal strength difference
Cell is less than the average value of the signal intensity of the sampled point of the second predetermined threshold value with the signal intensity of first community to described overlapping
Coverage cell is classified, wherein, the first community and second community are respectively that target is used as in the cell relations matrix
The cell of cell；
If the first community is less than being averaged for the signal intensity of the sampled point of the second predetermined threshold value with neighboring area signal strength difference
The signal that value is more than the sampled point that the 3rd predetermined threshold value, second community and neighboring area signal strength difference are less than the second predetermined threshold value is strong
The average value of degree is less than the 4th predetermined threshold value and the signal intensity of the second community and first community is less than the second predetermined threshold value
The average value of signal intensity of sampled point when being more than four predetermined threshold value, first community superimposition lid of attaching most importance to is actively dry
Disturb cell；
If the first community is less than being averaged for the signal intensity of the sampled point of the second predetermined threshold value with neighboring area signal strength difference
The signal that value is less than the sampled point that the 3rd predetermined threshold value, second community and neighboring area signal strength difference are less than the second predetermined threshold value is strong
The average value of degree is more than the 4th predetermined threshold value and the signal intensity of the second community and first community is less than the second predetermined threshold value
The average value of signal intensity of sampled point when being less than four predetermined threshold value, first community superimposition lid of attaching most importance to passively does
Disturb cell；
If the first community is less than being averaged for the signal intensity of the sampled point of the second predetermined threshold value with neighboring area signal strength difference
The signal that value is less than the sampled point that the 3rd predetermined threshold value, second community and neighboring area signal strength difference are less than the second predetermined threshold value is strong
The average value of degree is less than the 4th predetermined threshold value and the signal intensity of the second community and first community is less than the second predetermined threshold value
The average value of signal intensity of sampled point when being less than four predetermined threshold value, the first community and the second community are
The overlapping mutual interfered cell of covering.
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