CN102984720B - Pilot pollution analysis method and device - Google Patents
Pilot pollution analysis method and device Download PDFInfo
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- CN102984720B CN102984720B CN201110261733.7A CN201110261733A CN102984720B CN 102984720 B CN102984720 B CN 102984720B CN 201110261733 A CN201110261733 A CN 201110261733A CN 102984720 B CN102984720 B CN 102984720B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
- H04L1/0019—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy in which mode-switching is based on a statistical approach
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/24—Monitoring; Testing of receivers with feedback of measurements to the transmitter
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0026—Transmission of channel quality indication
Abstract
The present invention relates to a kind of pilot pollution analysis method and device, its method includes：Obtain the measurement report data of reporting of user；According to measurement report data and the serious threshold level of default pilot pollution, analysis is optimized to the pilot pollution area of predetermined area grid region；Count the optimization analysis result in pilot pollution area and physics and chemistry is shown in combination, determine pilot pollution adjustable strategies.The MR data that the present invention is reported by analyzing networked users, pilot pollution contamination analysis result in seclected time scope and network element scope or surface area is counted, and ground physics and chemistry is presented, different colours are set to render pilot pollution difference menace level thresholding, the region that pilot pollution be present is indicated on map automatic visual, press close to the sense of reality of networked users, effectively lift network performance and user's impression；By one-touch output pilot pollution analysis report, analysis operating efficiency is greatly improved, developer is put into formulation and implementation of more energy to prioritization scheme.
Description
Technical field
The present invention relates to the pilot tone in mobile communication technology field, more particularly to a kind of RF of wireless network (radio frequency) optimizations
Contamination analysis method and device.
Background technology
The network optimization is the key link of wireless network construction and development.Complete the theoretical planning of network and actual networking
Afterwards, the network optimization just turns into the important means of lifting network performance and the important content of network operation, also expands as future network
Hold the important component with improvement project.
During radio network optimization, RF optimizations are the premises of other optimization process, and good RF optimizes energy
Laid a solid foundation for the optimization in later stage.In fact, from the point of view of practical experience, RF optimizations are more excellent than wireless parameter many times
Change can more obtain significant results.Certainly, because Different Optimization means are associated with corresponding cost, it is therefore desirable to consider each
Kind factor lifts the final goal of network quality to reach.
For RF optimizations, mainly solves the optimization of depth covering in the operation maintenance stage, particularly present in network
The problems such as pilot pollution.Pilot pollution refers to that certain test point receives the strong waveguide frequency signal (difference is little) of multiple cells, and does not have
There is a strong waveguide frequency signal to be strong enough to turn into dominant pilot.The generation of pilot pollution is designed mainly due to the network coverage and not enough closed
Reason or caused by not constructed according to planning, the reason for its is typical the area covered including high station, annular cloth station, street effect and by force
Signal distortion caused by reflector etc., it only have identified in network and pilot pollution region, dirty in pilot pollution region be present
The cell of dye and cell and the present position for causing pilot pollution, it can targetedly carry out RF and optimize and revise.
Because networked users are more, and each networked users are distributed in each corner of network.Traditional DT (Drive
Test, drive test) and CQT (Call Quality Test, fixed test), ad-hoc location primarily directed to some buildings and
The main section that can be passed through is tested, and it can not reflect the covering of the whole network, can not reflect that network quality is experienced user
Influence.
Traditional DT/CQT refers to method of some user by CQT and DT, to the known office that can enter in network
Portion's building and current road are tested.This method is only capable of to some discrete " points " considered in network and passed by
" line " optimize test, rather than the whole network " face " is tested, deposited so can not objectively respond in whole wireless network
Pilot pollution；
In addition, most of current network analysis software only provides analyzes knot to the pilot pollution of single pilot pollution point
Fruit, it is necessary to investigated one by one by network optimization engineer to the Optimal coverage region of each cell, for larger commercial network,
More artificial workload is needed if it need to obtain satisfied analysis result, undoubtedly reduces operating efficiency, wastes manpower money
Source.
The content of the invention
It is a primary object of the present invention to provide a kind of pilot pollution analysis method and device, it is intended to network performance is lifted,
Improve user's impression.
In order to achieve the above object, the present invention proposes a kind of pilot pollution analysis method, including：
Obtain the measurement report data of reporting of user；
According to the measurement report data and the serious threshold level of default pilot pollution, to predetermined area grid region
Pilot pollution area optimize analysis；
Count the optimization analysis result in the pilot pollution area and physics and chemistry is shown in combination, determine that pilot pollution adjusts plan
Slightly.
Preferably, it is described according to measurement report data and the serious threshold level of default pilot pollution, to predetermined area
The step of pilot pollution area of grid region optimizes analysis includes：
When according to the serious threshold level of default pilot pollution, to judge the pilot pollution area be serious pilot pollution area,
According to the measurement report data, the pilot pollution point out of described pilot pollution area, contaminated cell list is counted；
According to the number of district pilots points of contamination and ratio and default district pilots points of contamination ratio thresholding, count
The class of pollution of cell is contaminated in the contaminated cell list；
According to the class of pollution of the contaminated cell, generation is counted successively according to the number and ratio that produce pilot pollution
The cell of pilot pollution.
Preferably, the optimization analysis result in the statistics pilot pollution area and physics and chemistry is shown in combination, determines pilot pollution
The step of adjustable strategies, includes：
The cell that cell and generation pilot pollution are contaminated in the pilot pollution area is used into different colours on map
Render；
The contaminated cell is connected with the cell for producing pilot pollution with dynamic line, and pilot tone is marked on line
Points of contamination and the contaminated cell and the distance for the cell for producing pilot pollution；
With the signal quality and intensity of each cell of floating frame Dynamic Announce；
Pilot pollution adjustable strategies are determined according to the related terrestrial object information of pilot pollution point in the pilot pollution area.
Preferably, also include before the step of measurement report data of the acquisition reporting of user：
According to pilot pollution points and grid zone pilot pollution point ratio in predetermined area grid region, the pilot tone is set
Seriously polluted threshold level.
Preferably, this method also includes：
Report and presented according to the comprehensive analysis of preparatory condition generation pilot pollution.
The present invention also proposes a kind of pilot pollution analytical equipment, including：
Acquisition module, for obtaining the measurement report data of reporting of user；
Analysis module, for according to the measurement report data and the serious threshold level of default pilot pollution, to pre-
The pilot pollution area for determining area grid region optimizes analysis；
Statistical decision module, for count the pilot pollution area optimization analysis result and in combination physics and chemistry show, really
Determine pilot pollution adjustable strategies.
Preferably, the analysis module includes：
First statistic unit, for judging that the pilot pollution area is according to the serious threshold level of default pilot pollution
During serious pilot pollution area, according to the measurement report data, the pilot pollution point out of described pilot pollution area, count dirty
Contaminate cell list；
Second statistic unit, polluted for the number according to district pilots points of contamination and ratio and default district pilots
Point ratio thresholding, count the class of pollution that cell is contaminated in the contaminated cell list；
3rd statistic unit, for the class of pollution according to the contaminated cell, according to the number for producing pilot pollution
Count the cell for producing pilot pollution successively with ratio.
Preferably, the statistical decision module includes：
Dye unit, for will be contaminated cell in the pilot pollution area on map and produce the cell of pilot pollution
Rendered using different colours；
Unit is marked, for the contaminated cell to be connected with the cell for producing pilot pollution with dynamic line, and
Pilot pollution point and the contaminated cell and the distance for the cell for producing pilot pollution are marked on line；
Display unit, for the signal quality and intensity of each cell of floating frame Dynamic Announce；
Decision package, for determining pilot pollution according to the related terrestrial object information of pilot pollution point in the pilot pollution area
Adjustable strategies.
Preferably, the device also includes：
Setup module, for according to pilot pollution points and grid zone pilot pollution point ratio in predetermined area grid region
Example, sets the serious threshold level of the pilot pollution.
Preferably, the device also includes report generation module, for generating the total score of pilot pollution according to preparatory condition
Analysis is reported and presented.
A kind of pilot pollution analysis method proposed by the present invention and device, the MR data reported by analyzing networked users,
Pilot pollution in seclected time scope and network element scope (the whole network/RNC/NodeB/cell group) or surface area is polluted
Analysis result is counted, and ground physics and chemistry is presented, wherein set different colours to render pilot pollution difference menace level thresholding,
Indicate the region that pilot pollution be present automatic visual on map, and pilot pollution is intuitively shown with the mode of line
The serious cell of pilot pollution and the cell to cell generation pilot pollution, can quickly identify the whole network pilot pollution area in area
Domain, by the data of reporting of user to the pilot pollution region order of severity, contaminated cell and the cell for producing pilot pollution
Objective evaluation is carried out, presses close to the sense of reality of networked users, can timely and effectively lift network performance, improves user's impression,
And provide high-quality service for networked users；By one-touch output pilot pollution analysis report, analysis work is greatly enhanced
Efficiency, the formulation and implementation for making developer there are more energy to put into prioritization scheme.
Brief description of the drawings
Fig. 1 is the embodiment schematic flow sheet of pilot pollution analysis method one of the present invention；
Fig. 2 is dirty according to measurement report data and default pilot tone in the embodiment of pilot pollution analysis method one of the present invention
Serious threshold level is contaminated, the schematic flow sheet of analysis is optimized to the pilot pollution area of predetermined area grid region；
Fig. 3 is that the optimization analysis result in pilot pollution area is counted in the embodiment of pilot pollution analysis method one of the present invention and is tied
Close ground physics and chemistry to show, determine the schematic flow sheet of pilot pollution adjustable strategies；
Fig. 4 is another embodiment schematic flow sheet of pilot pollution analysis method of the present invention；
Fig. 5 is the structural representation of the embodiment of pilot pollution analytical equipment one of the present invention；
Fig. 6 is the structural representation of analysis module in the embodiment of pilot pollution analytical equipment one of the present invention；
Fig. 7 is the structural representation of statistical decision module in the embodiment of pilot pollution analytical equipment one of the present invention；
Fig. 8 is the structural representation of another embodiment of pilot pollution analytical equipment of the present invention.
In order that technical scheme is clearer, clear, it is described in further detail below in conjunction with accompanying drawing.
Embodiment
Solution for embodiment of the invention is mainly：MR (drive test) data reported by analyzing networked users, automatically may be used
The region that pilot pollution be present depending on changing is indicated on map, and is intuitively shown in pilot pollution area and led with the mode of line
Frequently with serious pollution cell and the cell to cell generation pilot pollution, press close to the sense of reality of networked users, can be timely
Effective lifting network performance, improves user's impression.
The present invention can carry out automatic identification to the pilot pollution in wireless network and evaluate its order of severity, give simultaneously
The mode rendered to recognition result；The inventive method is applicable most of wireless network standard.In specific application, only
The concept element that correlation need to be replaced is specific standard.Such as to WCDMA (Wideband Code Division Multiple
Access, WCDMA) scrambler for network, it is in CDMA (Code Division Multiple Access, code
Point multiple access) in correspond to PN codes, be illustrated below by taking WCDMA as an example.
As shown in figure 1, one embodiment of the invention proposes a kind of pilot pollution analysis method, including：
Step S101, obtain the measurement report data of reporting of user；
Automatic decision is lacked to pilot pollution quantity existing for the whole network and the order of severity in order to solve traditional CQT and DT, and
And the problem of can not covering the usage scenario of user, the present invention make full use of the MR data of reporting of user in network, identify complete
Pilot pollution existing for net, to the whole network pilot pollution region, to produce pilot pollution cell, contaminated cell and contaminated
The order of severity carries out the optimization analysis of fast positioning and pilot pollution.
Wherein, the MR data of reporting of user are aggregated on single-board server by affiliated RNC, and acquisition subsystem passes through FTP's
Mode obtains the MR data of each RNC report of user automatically, and data collection point is referred to shown in table 1 below.
| Polluted Cell | 356_13731_95 |
| Count | 85 |
| Pollutant Cell1 | 351_23911_321 |
| Count1 | 83 |
| Ratio1 | 97.65% |
| Pollutant Cell2 | 356_13711_93 |
| Count2 | 82 |
| Ratio2 | 96.47% |
| Pollutant Cell3 | 356_20721_28 |
| Count3 | 82 |
| Ratio3 | 96.47% |
| Pollutant Cell4 | 356_13721_94 |
| Count4 | 79 |
| Ratio4 | 92.94% |
| Pollutant Cell5 | 351_23931_323 |
| Count5 | 40 |
| Ratio5 | 47.06% |
| Pollutant Cell6 | 356_20731_29 |
| Count6 | 23 |
| Ratio6 | 27.06% |
Table 1
Step S102, according to measurement report data and the serious threshold level of default pilot pollution, to predetermined area grid
The pilot pollution area in lattice region optimizes analysis；
Wherein, predetermined area grid region can be the statistical regions in units of 100m*100m grid regions, the statistics
Region can be predetermined cell/RNC (Radio Network Controller, radio network controller)/carrier frequency/the whole network choosing
Determine scope object region.Afterwards, whether it is that pilot pollution region judges to statistical regions.
Judgement to pilot pollution needs to introduce pilot pollution appraisal procedure, pilot pollution area judgment rule, contaminated small
The definition of the cell of area and generation pilot pollution, and the judgment rule of pilot pollution point.
Wherein, contaminated cell definitions are：Best serving cell；The cell definitions for producing pilot pollution are except preferably servicing
The cell in the list of homogeneous-frequency adjacent-domain outside cell, according to existing protocol, co-frequency cell coexists 6, therefore, except best serving cell
Cell in outer homogeneous-frequency adjacent-domain list should be less than or equal to 5.
Meanwhile define following parameter：
Pilot pollution is counted：Refer to the MR points sum for meeting pilot pollution in grid；
Grid zone pilot pollution point ratio：Refer to meet in (100m*100m) grid total in MR points/grid of pilot pollution
MR points).
The number and ratio of district pilots points of contamination：The a certain contaminated number of cell/(100m*100m) grid in grid
Interior pilot pollution point sum.
The judgment rule of above-mentioned pilot pollution point, it whether there is pilot pollution point for weighing each statistical regions.Meanwhile
Pilot pollution appraisal procedure, the judgment rule in pilot pollution area need to introduce two ratio thresholdings, and one of them is pilot pollution
Point ratio thresholding, when the number and ratio of some region pilot pollution point exceed predetermined thresholding, then it is assumed that the region, which exists, leads
Frequency pollutes, i.e. pilot pollution area；Another is district pilots points of contamination ratio thresholding, when the predetermined contaminated sample number of certain cell
When the ratio that mesh accounts for total number is more than this ratio thresholding, then it is assumed that the cell generates pilot pollution.
In addition, for the consideration more to become more meticulous, more factors can be introduced, to weigh each pilot pollution that generates
The order of severity.The number of pilot pollution sample point, contaminated cell and the cell, contaminated cell and generation that produce pilot pollution
The position distribution of the minizone of pilot pollution, height, the azimuth angle of pitch, distance etc., are all that can be identified in pilot pollution
In take in.
The pilot pollution for being also set with the seriously polluted degree for weighing each pilot pollution area in the present embodiment in advance is tight
Weight threshold level.The serious threshold level of the pilot pollution can be dirty according to pilot tone in region in units of 100m*100m grid regions
Dye points and grid zone pilot pollution point ratio are set, for example could be arranged to serious (A), more serious (B), general (C), temporarily
(D) etc. is not handled, and the chromatograms of different colours is set to make a distinction.The above-mentioned serious threshold level of pilot pollution is pre-set simultaneously
Local is stored in, when in use, is directly set from local obtain without interim.Its setting can be run by the present embodiment method
System complete, sent after can also being set by other network elements to local preservation.
According to measurement report data and the pilot pollution of setting point ratio thresholding, selected 100m*100m grid zones are judged
Whether domain is pilot pollution area；Then, according to measurement report data and the serious threshold level of default pilot pollution, it is determined that respectively
Pilot pollution area optimization priority, complete 100m*100m grid regions pilot pollution area in pilot pollution assess and it is excellent
Change analysis.Analyzed automatically for the pilot pollution area of menace level for judged result, afterwards according to the dirt in pilot pollution area
Dye menace level optimizes analysis one by one.
First, the pilot pollution point out of pilot pollution area, counted entirely according to best serving cell (contaminated cell)
Portion is contaminated cell list；Then, according still further to homogeneous-frequency adjacent-domain list (being less than or equal to 5) system in addition to best serving cell
Count out the cell list of generation pilot pollution.
The number and ratio polluted according to the district pilots points of contamination ratio thresholding and district pilots of setting judges each dirty
The class of pollution of cell is contaminated, if the number of district pilots pollution and ratio meet or exceed the seriously polluted thresholding of a setting,
Judge with serious pollution cell in pilot pollution area；These with serious pollution cells are directed to again, according to generation pilot pollution
Number and ratio order statistics go out to produce the cell of pilot pollution, and are determined according to statistical result to produce the cell of pilot pollution
Optimization order.
Step S103, in combination the optimization analysis result in statistics pilot pollution area and physics and chemistry are shown, determine that pilot pollution is adjusted
Whole strategy.
Optimization analysis result to pilot pollution area is counted with EXCEL and physics and chemistry is shown in combination, is contaminated cell and production
The cell of raw pilot pollution is rendered using different colours, and pilot pollution point is connected contaminated small by the form of dynamic line
Area and the cell for producing pilot pollution, distance of the pilot pollution point apart from each cell is marked on line；It is aobvious with floating frame dynamic
Show the signal quality and intensity of each cell；According to the distance apart from pilot pollution point, there are unobstructed, azimuth, the angle of pitch and base
The work of the terrestrial object informations such as the building stood highly, around and base station ginseng information determines enforceable scheme.
Afterwards, cycle analysis is carried out to next stage pilot pollution area one by one.
It is all regions for being identified as pilot pollution of the present embodiment, pilot pollution point, contaminated small as the output to user
The cell of area and generation pilot pollution can all be shown on map with eye-catching color；Meanwhile to selected pilot pollution
The sample point in area can display the details of, and connect pilot pollution cell with line and produce the cell of pilot pollution.
In specific implementation, as shown in Fig. 2 above-mentioned steps S102 includes：
Step S1021, judge that pilot pollution area is dirty for serious pilot tone according to the serious threshold level of default pilot pollution
When contaminating area, according to measurement report data, the pilot pollution point out of pilot pollution area, contaminated cell list is counted；
Step S1022, according to the number of district pilots points of contamination and ratio and default district pilots points of contamination ratio
Thresholding, count the class of pollution that cell is contaminated in contaminated cell list；
Step S1023, according to the class of pollution of contaminated cell, united successively according to the number and ratio that produce pilot pollution
Meter produces the cell of pilot pollution.
As shown in figure 3, above-mentioned steps S103 includes：
Step S1031, cell will be contaminated in pilot pollution area on map and produces the cell of pilot pollution using not
Same color rendering；
Step S1032, contaminated cell is connected with the cell for producing pilot pollution with dynamic line, and in line subscript
Note pilot pollution point and contaminated cell and the distance for the cell for producing pilot pollution；
Step S1033, with the signal quality and intensity of each cell of floating frame Dynamic Announce；
Step S1034, determine that pilot pollution adjusts plan according to the related terrestrial object information of pilot pollution point in pilot pollution area
Slightly.
The present embodiment can carry out automatic identification to the pilot pollution in wireless network and evaluate its order of severity, provide simultaneously
The mode that is rendered to recognition result；The inventive method is applicable most of wireless network standard.In specific application,
It is specific standard only to need to replace related concept element.Scrambler such as WCDMA networks, its correspondence in CDMA
For PN codes.
The present embodiment makes full use of the mechanism for the reporting measurement reports that user has in itself, low cost, expeditiously realizes
The automatic detection of pilot pollution；And solves only road test data progress pilot pollution analysis in existing pilot pollution optimization method
Efficiency is low, the shortcomings that can not providing the analysis result of quantization and can not objectively responding the pilot pollution of the whole network；It is each by the whole network
The MR of corner user is reported, and accurately reflects the pilot pollution of the whole network, improves network performance, improves Consumer's Experience.
As shown in figure 4, another embodiment of the present invention proposes a kind of pilot pollution analysis method, on the basis of above-described embodiment
On, also include before step S101：
Step S100, according to pilot pollution points and grid zone pilot pollution point ratio in predetermined area grid region, if
Put the serious threshold level of pilot pollution.
Also include after step s 103：
Step S104, report and presented according to the comprehensive analysis of preparatory condition generation pilot pollution.
The difference of the present embodiment and above-described embodiment is, in the present embodiment, according to pilot tone in predetermined area grid region
Pollution points and grid zone pilot pollution point ratio, set the serious threshold level of pilot pollution, so as to subsequently according to pilot pollution
Serious threshold level optimizes analysis to corresponding pilot pollution area.
In addition, the present embodiment can also be according to the time range and object (cell, RNC, carrier frequency of user's request, and setting
Or the whole network), the comprehensive analysis report of pilot pollution is generated, the pilot pollution that region/RNC/ carrier frequency/the whole network is presented comprehensively is general
Condition, make the pilot pollution situation of the understanding cell of networked users timely, intuitively, press close to the sense of reality of networked users, effectively
Network performance is improved, improves user's impression, and high-quality service is provided for networked users；Pass through one-touch output pilot pollution
Analysis report, it is greatly enhanced the efficiency of analysis work, the formulation for making developer there are more energy to put into prioritization scheme
With implementation.
As shown in figure 5, one embodiment of the invention proposes a kind of pilot pollution analytical equipment, including：Acquisition module 501, divide
Module 502 and statistical decision module 503 are analysed, wherein：
Acquisition module 501, for obtaining the measurement report data of reporting of user；
Analysis module 502, for according to measurement report data and the serious threshold level of default pilot pollution, to predetermined
The pilot pollution area of area grid region optimizes analysis；
Statistical decision module 503, for count pilot pollution area optimization analysis result and in combination physics and chemistry show, it is determined that
Pilot pollution adjustable strategies.
Automatic decision is lacked to pilot pollution quantity existing for the whole network and the order of severity in order to solve traditional CQT and DT, and
And the problem of can not covering the usage scenario of user, the present embodiment make full use of the MR data of reporting of user in network, identified
Pilot pollution existing for the whole network, to the whole network pilot pollution region, to produce pilot pollution cell, contaminated cell and contaminated
The order of severity carry out the optimization analysis of fast positioning and pilot pollution.
Wherein, the MR data of reporting of user are aggregated on single-board server by affiliated RNC, and acquisition module 501 passes through collection
Subsystem obtains the MR data of each RNC report of user automatically in a manner of FTP, and data collection point is referred to shown in upper table 1.
Predetermined area grid region can be the statistical regions in units of 100m*100m grid regions, the statistical regions
Can be that predetermined cell/RNC/ carrier frequency/the whole network selectes scope object region.Afterwards, analysis module 502 to statistical regions whether
Analysis judgement is carried out for pilot pollution region.
Judgement to pilot pollution needs to introduce pilot pollution appraisal procedure, pilot pollution area judgment rule, contaminated small
The definition of the cell of area and generation pilot pollution, and the judgment rule of pilot pollution point.
Wherein, contaminated cell definitions are：Best serving cell；The cell definitions for producing pilot pollution are except preferably servicing
The cell in the list of homogeneous-frequency adjacent-domain outside cell, according to existing protocol, co-frequency cell coexists 6, therefore, except best serving cell
Cell in outer homogeneous-frequency adjacent-domain list should be less than or equal to 5.
Meanwhile define following parameter：
Pilot pollution is counted：Refer to the MR points sum for meeting pilot pollution in grid；
Grid zone pilot pollution point ratio：Refer to meet in (100m*100m) grid total in MR points/grid of pilot pollution
MR points).
The number and ratio of district pilots points of contamination：The a certain contaminated number of cell/(100m*100m) grid in grid
Interior pilot pollution point sum.
The judgment rule of above-mentioned pilot pollution point, it whether there is pilot pollution point for weighing each statistical regions.Meanwhile
Pilot pollution appraisal procedure, the judgment rule in pilot pollution area need to introduce two ratio thresholdings, and one of them is pilot pollution
Point ratio thresholding, when the number and ratio of some region pilot pollution point exceed predetermined thresholding, then it is assumed that the region, which exists, leads
Frequency pollutes, i.e. pilot pollution area；Another is district pilots points of contamination ratio thresholding, when the predetermined contaminated sample number of certain cell
When the ratio that mesh accounts for total number is more than this ratio thresholding, then it is assumed that the cell generates pilot pollution.
In addition, for the consideration more to become more meticulous, more factors can be introduced, to weigh each pilot pollution that generates
The order of severity.The number of pilot pollution sample point, contaminated cell and the cell, contaminated cell and generation that produce pilot pollution
The position distribution of the minizone of pilot pollution, height, the azimuth angle of pitch, distance etc., are all that can be identified in pilot pollution
In take in.
The pilot pollution for being also set with the seriously polluted degree for weighing each pilot pollution area in the present embodiment in advance is tight
Weight threshold level.The serious threshold level of the pilot pollution can be dirty according to pilot tone in region in units of 100m*100m grid regions
Dye points and grid zone pilot pollution point ratio are set, for example could be arranged to serious (A), more serious (B), general (C), temporarily
(D) etc. is not handled, and the chromatograms of different colours is set to make a distinction.The above-mentioned serious threshold level of pilot pollution is pre-set simultaneously
Local is stored in, when in use, is directly set from local obtain without interim.Its setting can be run by the present embodiment method
System complete, sent after can also being set by other network elements to local preservation.
According to measurement report data and the pilot pollution of setting point ratio thresholding, selected 100m*100m grid zones are judged
Whether domain is pilot pollution area；Then, according to measurement report data and the serious threshold level of default pilot pollution, it is determined that respectively
Pilot pollution area optimization priority, complete 100m*100m grid regions pilot pollution area in pilot pollution assess and it is excellent
Change analysis.Analyzed automatically for the pilot pollution area of menace level for judged result, afterwards according to the dirt in pilot pollution area
Dye menace level optimizes analysis one by one.
First, the pilot pollution point out of pilot pollution area, counted entirely according to best serving cell (contaminated cell)
Portion is contaminated cell list；Then, according still further to homogeneous-frequency adjacent-domain list (being less than or equal to 5) system in addition to best serving cell
Count out the cell list of generation pilot pollution.
The number and ratio polluted according to the district pilots points of contamination ratio thresholding and district pilots of setting judges each dirty
The class of pollution of cell is contaminated, if the number of district pilots pollution and ratio meet or exceed the seriously polluted thresholding of a setting,
Judge with serious pollution cell in pilot pollution area；These with serious pollution cells are directed to again, according to generation pilot pollution
Number and ratio order statistics go out to produce the cell of pilot pollution, and are determined according to statistical result to produce the cell of pilot pollution
Optimization order.
Afterwards, optimization analysis result of the statistical decision module 503 to pilot pollution area is counted and physics and chemistry in combination with EXCEL
The cell of display, contaminated cell and generation pilot pollution is rendered using different colours, and pilot pollution point is by dynamically connecting
The contaminated cell of form connection of line and the cell for producing pilot pollution, mark on line pilot pollution point apart from each cell away from
From；With the signal quality and intensity of each cell of floating frame Dynamic Announce；According to the distance apart from pilot pollution point, whether there is screening
The work ginseng information of the terrestrial object information such as gear, azimuth, the angle of pitch and base station height, the building of surrounding and base station determines enforceable side
Case.
Afterwards, cycle analysis is carried out to next stage pilot pollution area one by one.
It is all regions for being identified as pilot pollution of the present embodiment, pilot pollution point, contaminated small as the output to user
The cell of area and generation pilot pollution can all be shown on map with eye-catching color；Meanwhile to selected pilot pollution
The sample point in area can display the details of, and connect pilot pollution cell with line and produce the cell of pilot pollution.
Specifically, as shown in fig. 6, analysis module 502 includes：First statistic unit 5021, the second statistic unit 5022 with
And the 3rd statistic unit 5023, wherein：
First statistic unit 5021, for judging the pilot pollution according to the serious threshold level of default pilot pollution
When area is serious pilot pollution area, according to the measurement report data, the pilot pollution point out of pilot pollution area, count dirty
Contaminate cell list；
Second statistic unit 5022, for the number according to district pilots points of contamination and ratio and default district pilots
Points of contamination ratio thresholding, count the class of pollution that cell is contaminated in the contaminated cell list；
3rd statistic unit 5023, for the class of pollution according to the contaminated cell, according to generation pilot pollution
Number and ratio count the cell for producing pilot pollution successively.
As shown in fig. 7, statistical decision module 503 includes：Dye unit 5031, mark unit 5032, display unit 5033
And decision package 5034, wherein：
Dye unit 5031, for will be contaminated cell in the pilot pollution area on map and produce pilot pollution
Cell is rendered using different colours；
Unit 5032 is marked, for contaminated cell to be connected with the cell for producing pilot pollution with dynamic line, and
Pilot pollution point and contaminated cell and the distance for the cell for producing pilot pollution are marked on line；
Display unit 5033, for the signal quality and intensity of each cell of floating frame Dynamic Announce；
Decision package 5034, for determining pilot pollution according to the related terrestrial object information of pilot pollution point in pilot pollution area
Adjustable strategies.
As shown in figure 8, another embodiment of the present invention also proposes a kind of pilot pollution analytical equipment, in the base of above-described embodiment
Also include on plinth：
Setup module 500, for according to pilot pollution points and grid zone pilot pollution point in predetermined area grid region
Ratio, the serious threshold level of the pilot pollution is set.
Report generation module 504, the comprehensive analysis for generating pilot pollution according to preparatory condition are reported and presented.
The difference of the present embodiment and above-described embodiment is that the present embodiment is by setup module 500 according to predetermined area grid
Pilot pollution points and grid zone pilot pollution point ratio, set the serious threshold level of pilot pollution, so as to follow-up in lattice region
Analysis module 502 optimizes analysis according to the serious threshold level of pilot pollution to corresponding pilot pollution area.
In addition, the present embodiment can also be according to the time range and object (cell, RNC, carrier frequency of user's request, and setting
Or the whole network), the comprehensive analysis that pilot pollution is generated by report generation module 504 is reported, region/RNC/ is presented comprehensively and carries
The pilot pollution overview of frequently/the whole network, make the pilot pollution situation of the understanding cell of networked users timely, intuitively, press close to and used in net
The sense of reality at family, network performance is effectively improved, improve user's impression, and high-quality service is provided for networked users；It is logical
One-touch output pilot pollution analysis report is crossed, the efficiency of analysis work is greatly enhanced, developer there are more energy
Put into the formulation and implementation of prioritization scheme.
Compared with prior art, prior art is to the known local premises that can enter in network by CQT and DT
Tested with current road, this method is only capable of entering some discrete " points " considered in network and " line " passed by
Row optimal inspection, rather than the whole network " face " is tested, therefore pilot tone present in whole wireless network can not be objectively responded
Pollution, the embodiment of the present invention make full use of the MR data of reporting of user in network, identify pilot pollution existing for the whole network, due to
Data come from user, so network condition can be objectively responded, and can reflect the sense of reality of networked users, solve tradition
CQT and DT lacks automatic decision to existing the pilot pollution quantity and the order of severity of the whole network, and can not cover the use of user
The problem of scene.The present invention can be achieved to the whole network pilot pollution region and pilot pollution cell, the cell for producing pilot pollution, with
And the contaminated order of severity is fast and effectively positioned, and flexible combination pilot pollution can be passed through according to the needs of client
The Rule of judgment of point, meet the needs of client.
Meanwhile the present invention can be according to statistic analysis result or GIS (Geographic Information System, geography
Information system) present, pilot pollution region is analyzed, is presented according to GIS and the color of pilot pollution zone rendering is determined
The order of severity of pilot pollution；Further confirm that and the most cell of number is contaminated in pilot pollution region, produces the small of pollution
Area, determine to produce position and the number of the relatively contaminated cell of pollution cell, low cost, high efficiency by way of GIS presentations
The automatic detection of pilot pollution is realized on ground, improves network performance, improves user's impression.
In addition, most of existing network analysis software only provides analyzes knot to the pilot pollution of single pilot pollution point
Fruit, it is necessary to investigated one by one by network optimization engineer to the Optimal coverage region of each cell, for larger commercial network,
More artificial workload is needed if it need to obtain satisfied analysis result.Know automatically using pilot pollution proposed by the invention
Not and appraisal procedure, the MR data that optimization software can be reported by analyzing networked users, automatic visual in ground chart display
Go out to have the region of pilot pollution, and with the mode of line intuitively show pilot pollution is serious in pilot pollution area cell and
The cell of pilot tone is produced to this cell, with one-touch output pilot pollution analysis report；It is greatly enhanced the effect of analysis work
Rate, the formulation and implementation for allowing Developmental Engineer to there are more energy to put into prioritization scheme.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, every utilization
Equivalent structure or the flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (6)
- A kind of 1. pilot pollution analysis method, it is characterised in that including：Obtain the measurement report data of reporting of user；According to the measurement report data and the serious threshold level of default pilot pollution, predetermined area grid region is led Frequency contaminated area optimizes analysis, wherein, according to pilot pollution points and grid zone pilot pollution in predetermined area grid region Point ratio, the serious threshold level of the pilot pollution is set, and the pilot pollution points is in the predetermined area grid regions Meet the measurement report data sum of pilot pollution, the grid zone pilot pollution point ratio is the predetermined area grid region Interior pilot pollution points and the ratio of measurement report data sum in the predetermined area grid region；Count the optimization analysis result in the pilot pollution area and physics and chemistry is shown in combination, determine pilot pollution adjustable strategies；It is described according to measurement report data and the serious threshold level of default pilot pollution, predetermined area grid region is led The step of frequency contaminated area optimizes analysis includes：When according to the serious threshold level of default pilot pollution, to judge the pilot pollution area be serious pilot pollution area, according to The measurement report data, the pilot pollution point out of described pilot pollution area, count contaminated cell list；According to the number of district pilots points of contamination and ratio and default district pilots points of contamination ratio thresholding, count described The class of pollution of cell is contaminated in contaminated cell list；According to the class of pollution of the contaminated cell, generation is counted successively according to the number and ratio of district pilots points of contamination and is led The cell of frequency pollution, wherein, the number and ratio of the district pilots points of contamination are any in the predetermined area grid region Cell produces the number and the ratio of pilot pollution points total in the predetermined area grid region of pilot pollution.
- 2. according to the method for claim 1, it is characterised in that the optimization analysis result in the statistics pilot pollution area is simultaneously tied Closing the step of ground physics and chemistry shows, determines pilot pollution adjustable strategies includes：The cell that cell and generation pilot pollution are contaminated in the pilot pollution area is rendered using different colours on map；The contaminated cell is connected with the cell for producing pilot pollution with dynamic line, and pilot pollution is marked on line Point and the contaminated cell and the distance for the cell for producing pilot pollution；With the signal quality and intensity of each cell of floating frame Dynamic Announce；Pilot pollution adjustable strategies are determined according to the related terrestrial object information of pilot pollution point in the pilot pollution area.
- 3. according to the method for claim 2, it is characterised in that also include：Report and presented according to the comprehensive analysis of preparatory condition generation pilot pollution.
- A kind of 4. pilot pollution analytical equipment, it is characterised in that including：Acquisition module, for obtaining the measurement report data of reporting of user；Analysis module, for according to the measurement report data and the serious threshold level of default pilot pollution, to predetermined face The pilot pollution area of product grid region optimizes analysis；Setup module, for being counted and grid zone pilot pollution point ratio according to pilot pollution in predetermined area grid region, if The serious threshold level of the pilot pollution is put, the pilot pollution points are to meet pilot tone dirt in the predetermined area grid region The measurement report data sum of dye, the grid zone pilot pollution point ratio are that the pilot tone in the predetermined area grid region is dirty Dye points and the ratio of measurement report data sum in the predetermined area grid region；Statistical decision module, for count the pilot pollution area optimization analysis result and in combination physics and chemistry show, it is determined that leading Frequency pollution adjustable strategies；The analysis module includes：First statistic unit, for judging that the pilot pollution area is serious according to the serious threshold level of default pilot pollution During pilot pollution area, according to the measurement report data, the pilot pollution point out of described pilot pollution area, statistics is contaminated small Area's list；Second statistic unit, for the number according to district pilots points of contamination and ratio and default district pilots points of contamination ratio Example thresholding, count the class of pollution that cell is contaminated in the contaminated cell list；3rd statistic unit, for the class of pollution according to the contaminated cell, according to district pilots points of contamination number and Ratio counts the cell for producing pilot pollution successively, wherein, the number and ratio of the district pilots points of contamination are described predetermined Arbitrary cells produce the number of pilot pollution and pilot pollution total in the predetermined area grid region in area grid region The ratio of points.
- 5. device according to claim 4, it is characterised in that the statistical decision module includes：Dye unit, for will be contaminated cell in the pilot pollution area on map and produce the cell use of pilot pollution Different colours render；Unit is marked, for the contaminated cell to be connected with the cell for producing pilot pollution with dynamic line, and in line Upper mark pilot pollution point and the contaminated cell and the distance for the cell for producing pilot pollution；Display unit, for the signal quality and intensity of each cell of floating frame Dynamic Announce；Decision package, for determining that pilot pollution adjusts according to the related terrestrial object information of pilot pollution point in the pilot pollution area Strategy.
- 6. device according to claim 5, it is characterised in that also including report generation module, for according to preparatory condition The comprehensive analysis of generation pilot pollution is reported and presented.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110261733.7A CN102984720B (en) | 2011-09-06 | 2011-09-06 | Pilot pollution analysis method and device |
| PCT/CN2012/077412 WO2013034016A1 (en) | 2011-09-06 | 2012-06-25 | Method and device for analyzing pilot frequency pollution |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110261733.7A CN102984720B (en) | 2011-09-06 | 2011-09-06 | Pilot pollution analysis method and device |
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| US10958393B2 (en) * | 2015-03-25 | 2021-03-23 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods and devices for handling and assigning uplink pilots |
| CN106059643B (en) * | 2016-05-27 | 2019-06-25 | 徐佳康 | A kind of method for eliminating pilot pollution based on large scale array antenna cellular communication system |
| CN109963287B (en) * | 2017-12-26 | 2022-04-01 | 中国移动通信集团湖北有限公司 | Antenna direction angle optimization method, device, equipment and medium |
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| CN101080078A (en) * | 2007-05-25 | 2007-11-28 | 华为技术有限公司 | A method and device for detecting pilot frequency pollution |
| CN101141775A (en) * | 2007-04-30 | 2008-03-12 | 中兴通讯股份有限公司 | Pilot pollution optimization method based on road test data |
| CN101547449A (en) * | 2009-05-04 | 2009-09-30 | 中国移动通信集团浙江有限公司 | Frequency sweep and mobile phone measurement report-based method for automatic frequency optimization |
| CN101835173A (en) * | 2010-05-18 | 2010-09-15 | 陕西浩瀚新宇科技发展有限公司 | System and analysis method of TD-SCDMA (Time Division-Synchronization Code Division Multiple Access) wireless network based on geographical position coverage effect |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100455095C (en) * | 2006-04-27 | 2009-01-21 | 华为技术有限公司 | Method for inspecting guide-frequency pollution |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101141775A (en) * | 2007-04-30 | 2008-03-12 | 中兴通讯股份有限公司 | Pilot pollution optimization method based on road test data |
| CN101080078A (en) * | 2007-05-25 | 2007-11-28 | 华为技术有限公司 | A method and device for detecting pilot frequency pollution |
| CN101547449A (en) * | 2009-05-04 | 2009-09-30 | 中国移动通信集团浙江有限公司 | Frequency sweep and mobile phone measurement report-based method for automatic frequency optimization |
| CN101835173A (en) * | 2010-05-18 | 2010-09-15 | 陕西浩瀚新宇科技发展有限公司 | System and analysis method of TD-SCDMA (Time Division-Synchronization Code Division Multiple Access) wireless network based on geographical position coverage effect |
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