CN105722114A - Method and apparatus for analyzing downlink interference of LTE network - Google Patents
Method and apparatus for analyzing downlink interference of LTE network Download PDFInfo
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- CN105722114A CN105722114A CN201410728268.7A CN201410728268A CN105722114A CN 105722114 A CN105722114 A CN 105722114A CN 201410728268 A CN201410728268 A CN 201410728268A CN 105722114 A CN105722114 A CN 105722114A
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Abstract
The invention provides a method and apparatus for analyzing the downlink interference of an LTE network, to solve the problem that the prior art cannot comprehensively and intuitively reflect the performance of an LTE wireless network. The invention comprises the steps of acquiring network performance indicator (KPI) data information and network measurement report (MR) data information acquired by a terminal belonging to a main cell under test; obtaining the mod3 interference intensity, overlapping coverage and adjacent cell redundant coverage according to the MR data information, and obtaining a media access control (MAC) downlink block error rate according to the KPI data information; and comparing the mod3 interference intensity, overlapping coverage and adjacent cell redundant coverage and the MAC downlink block error rate with different threshold values respectively, and obtaining a downlink interference source of the main cell under test. The embodiment of the invention can comprehensively and intuitively reflect the network performance by analysis of the network KPI data information and the network MR data information.
Description
Technical field
The present invention relates to the technical field of communications applications, particularly relate to analysis method and the device of the descending interference of a kind of LTE network.
Background technology
Being estimated for Long Term Evolution LTE network and optimize, the means currently mainly adopted are drive test (DT), carry out the concrete analysis of descending interference for the Signal to Interference plus Noise Ratio (SINR) of sampled point and neighboring area signal intensity.The descending disturbed condition of network on road can be reflected by drive test, it is possible to test for customer complaint region, reappear problem.But there is following problems.
1. drive test (DT) data can only reflect road network situation, it is impossible to characterizes the downlink quality situation in network element overall region.
2. when using drive test reproduction problem, it is impossible to reduction problem generation environment completely.
3. use drive test can only test within certain time and area, it is impossible to round-the-clock assessment network quality.
Adopt drive test technology when LTE network is estimated, it is impossible to comprehensive, reflection LTE network performance intuitively.Network performance data can reflect the performance of network each side, when to network downstream quality analysis, is also important Data Source；Network Measurement Report can reflect the wireless environment in certain concrete moment of user, and the warning information in Network Measurement Report can reflect the information such as Network hardware faults, transmission fault；Engineering parameter in Network Measurement Report can reflect the essential information of base station/cell, such as title, geographical position etc.；Cell parameter in Network Measurement Report can reflect the basic network configuration information of community, therefore network performance data (KPI), drive test data (DT) can not only be supplemented by MR data, all right independent assessment network performance, it is the essential condition analyzing network structure, but the descending interference analytical technology of existing LTE seldom relates to KPI class data and the analysis of MR class data.
Summary of the invention
It is an object of the invention to provide the analysis method of the descending interference of a kind of LTE network and device, in order to solve the existing problem that the technology of descending jamming performance assessment can not reflect network performance comprehensive, intuitively that carries out for LTE wireless network.
To achieve these goals, the invention provides the analysis method of the descending interference of a kind of LTE network, including:
Obtain network performance index KPI data information and belong to the Network Measurement Report MR data message that the terminal of main plot to be measured gathers；
According to described MR data message, obtain mould three interference strength, overlapping coverage and adjacent area and cross coverage, and according to described KPI data information, obtain the descending Block Error Rate of media interviews mac layer；
By described mould three interference strength, described overlapping coverage, described adjacent area crosses coverage and the descending Block Error Rate of described MAC layer compares analysis from different threshold values respectively, draws the down interference source of described main plot to be measured.
Wherein, the analysis method of the descending interference of above-mentioned LTE network, described MR data message includes: the Physical Cell Identifier PCI of the signal intensity RSRP of described main plot to be measured and adjacent cell, described main plot to be measured and described adjacent cell and the adjacent cell number of described main plot to be measured.
Wherein, according to described MR data message, obtain the step of mould three interference strength, specifically include:
RSRP and PCI according to described main plot to be measured and described adjacent cell, obtaining in described MR data message and meet the first pre-conditioned first information number, the described first pre-conditioned PCI mould three for the described main plot to be measured difference equal to the PCI mould three of described adjacent cell and the RSRP of described the main plot to be measured and RSRP of described adjacent cell is less than the first predetermined threshold；
RSRP according to described the main plot to be measured and RSRP of described adjacent cell, obtaining in described MR data message and meet second the second pre-conditioned Information Number, the difference of the described second pre-conditioned RSRP for described the main plot to be measured and RSRP of described adjacent cell is less than the second predetermined threshold；
According to described first information number and described second Information Number, obtain described mould three interference strength.
Wherein, according to described MR data message, obtain the step of overlapping coverage, specifically include:
Adjacent cell number according to the RSRP of described main plot to be measured, the RSRP of described adjacent cell and described main plot to be measured, described MR data message obtains and meets the 3rd the 3rd pre-conditioned Information Number, wherein, the difference of the described 3rd pre-conditioned RSRP for described the main plot to be measured and RSRP of described adjacent cell is less than the 3rd predetermined threshold, and adjacent cell number is be more than or equal to the 4th predetermined threshold；
According to described 3rd Information Number and total information number, obtaining described overlapping coverage, wherein, described total information number is the sum of the Network Measurement Report MR data message of the terminal collection belonging to described main plot to be measured.
Wherein, according to described MR data message, obtain adjacent area and cross the step of coverage, specifically include:
RSRP according to described the main plot to be measured and RSRP of described adjacent cell, described MR data message obtains and meets the 4th the 4th pre-conditioned Information Number, wherein, the described 4th pre-conditioned RSRP for described main plot to be measured and the difference of the RSRP of described adjacent cell are less than the 5th predetermined threshold；
RSRP according to described main plot to be measured, obtains in described MR data message and meets the 5th the 5th pre-conditioned Information Number, and wherein, the described 5th pre-conditioned RSRP for described main plot to be measured is more than the 6th predetermined threshold；
According to described 4th Information Number and described 5th Information Number, obtain described adjacent area and cross coverage.
Wherein, described by described mould three interference strength, described overlapping coverage, described adjacent area crosses coverage and the descending Block Error Rate of described MAC layer compares from different threshold values respectively, draw the step of the down interference source of described main plot to be measured, specifically include:
If the descending Block Error Rate of described MAC layer is less than or equal to the first threshold value, it is determined that described main plot to be measured is without descending interference；
If the descending Block Error Rate of described MAC layer is more than described first threshold value, and described mould three interference strength is more than the second threshold value, it is determined that the down interference source of described main plot to be measured is that mould three disturbs and exports mould three and disturbs adjacent area；
If the descending Block Error Rate of described MAC layer is more than described first threshold value, described mould three interference strength less than or equal to described second threshold value and described overlapping coverage more than the 3rd threshold value, it is determined that the down interference source of described main plot to be measured is attached most importance to folded cover jamming export and overlapping cover adjacent area；
If the descending Block Error Rate of described MAC layer is more than described first threshold value, described mould three interference strength is less than or equal to described second threshold value, described overlapping coverage is less than or equal to described 3rd preset value, and described adjacent area crosses coverage more than the 4th preset value, it is determined that the down interference source of described main plot to be measured is that adjacent cell is crossed cover jamming and exported covering adjacent area；Or
If the descending Block Error Rate of described MAC layer is more than described first threshold value, described mould three interference strength is less than or equal to described second threshold value, described overlapping coverage is less than or equal to described 3rd preset value, and described adjacent area crosses coverage less than or equal to described 4th preset value, it is determined that the down interference source of described main plot to be measured is external disturbance or different system interference.
Wherein, described by described mould three interference strength, described overlapping coverage, described adjacent area crosses coverage and the described community descending Block Error Rate of MAC layer compares analysis from different threshold values respectively, after drawing the step of down interference source of described main plot to be measured, described method also includes:
If the down interference source of described main plot to be measured is mould three interference, then PCI, transmitting power, antenna azimuth and/or angle of declination are adjusted；
The folded cover jamming if the down interference source of described main plot to be measured is attached most importance to, then be adjusted the collaborative power in minizone and/or coverage；
If the down interference source of described main plot to be measured is adjacent cell crosses cover jamming, then transmitting power, website height, antenna azimuth and/or angle of declination are adjusted；Or
If the down interference source of described main plot to be measured is external disturbance or different system interference, then carry out on-the-spot frequency sweep.
Embodiments of the invention additionally provide the analytical equipment of the descending interference of a kind of LTE network, including:
Acquisition module, for obtaining network performance index KPI data information and belonging to the Network Measurement Report MR data message that the terminal of main plot to be measured gathers；
Generation module, for according to described MR data message, obtaining mould three interference strength, overlapping coverage and adjacent area and cross coverage, and according to described KPI data information, obtain the descending Block Error Rate of media interviews mac layer；
Analysis module, for by described mould three interference strength, described overlapping coverage, described adjacent area crosses coverage and the descending Block Error Rate of described MAC layer compares analysis from different threshold values respectively, draws the down interference source of described main plot to be measured.
Wherein, the analytical equipment of the descending interference of above-mentioned LTE network, described MR data message includes: the Physical Cell Identifier PCI of the signal intensity RSRP of described main plot to be measured and adjacent cell, described main plot to be measured and described adjacent cell and the adjacent cell number of described main plot to be measured.
Wherein, described generation module includes:
First acquiring unit, for RSRP and PCI according to described main plot to be measured and described adjacent cell, obtaining in described MR data message and meet the first pre-conditioned first information number, the described first pre-conditioned PCI mould three for the described main plot to be measured difference equal to the PCI mould three of described adjacent cell and the RSRP of described the main plot to be measured and RSRP of described adjacent cell is less than the first predetermined threshold；
Second acquisition unit, RSRP for the RSRP according to described main plot to be measured and described adjacent cell, obtaining in described MR data message and meet second the second pre-conditioned Information Number, the difference of the described second pre-conditioned RSRP for described the main plot to be measured and RSRP of described adjacent cell is less than the second predetermined threshold；
First generates unit, for according to described first information number and described second Information Number, obtaining described mould three interference strength.
Wherein, described generation module includes:
3rd acquiring unit, for the adjacent cell number according to the RSRP of described main plot to be measured, the RSRP of described adjacent cell and described main plot to be measured, described MR data message obtains and meets the 3rd the 3rd pre-conditioned Information Number, wherein, the difference of the described 3rd pre-conditioned RSRP for described the main plot to be measured and RSRP of described adjacent cell is less than the 3rd predetermined threshold, and adjacent cell number is be more than or equal to the 4th predetermined threshold；
Second generates unit, and for according to described 3rd Information Number and total information number, obtaining described overlapping coverage, wherein, described total information number is the sum of the Network Measurement Report MR data message of the terminal collection belonging to described main plot to be measured.
Wherein, described generation module includes:
4th acquiring unit, RSRP for the RSRP according to described main plot to be measured and described adjacent cell, described MR data message obtains and meets the 4th the 4th pre-conditioned Information Number, wherein, the described 4th pre-conditioned RSRP for described main plot to be measured and the difference of the RSRP of described adjacent cell are less than the 5th predetermined threshold；
5th acquiring unit, for the RSRP according to described main plot to be measured, obtains in described MR data message and meets the 5th the 5th pre-conditioned Information Number, and wherein, the described 5th pre-conditioned RSRP for described main plot to be measured is more than the 6th predetermined threshold；
3rd generates unit, for according to described 4th Information Number and described 5th Information Number, obtaining described adjacent area and cross coverage.
Wherein, described analysis module includes:
First analytic unit, if for the descending Block Error Rate of described MAC layer less than or equal to the first threshold value, it is determined that described main plot to be measured is without descending interference；
Second analytic unit, if for the descending Block Error Rate of described MAC layer more than described first threshold value, and described mould three interference strength is more than the second threshold value, it is determined that the down interference source of described main plot to be measured is that mould three disturbs and exports mould three and disturbs adjacent area；
3rd analytic unit, if for the descending Block Error Rate of described MAC layer more than described first threshold value, described mould three interference strength less than or equal to the second threshold value and described overlapping coverage more than the 3rd threshold value, it is determined that the down interference source of described main plot to be measured is attached most importance to folded cover jamming export and overlapping cover adjacent area；
4th analytic unit, if for the descending Block Error Rate of described MAC layer more than described first threshold value, described mould three interference strength is less than or equal to described second threshold value, described overlapping coverage is less than or equal to described 3rd preset value, and described adjacent area crosses coverage more than the 4th preset value, it is determined that the down interference source of described main plot to be measured is that adjacent cell is crossed cover jamming and exported covering adjacent area；Or
5th analytic unit, if for the descending Block Error Rate of described MAC layer more than described first threshold value, described mould three interference strength is less than or equal to described second threshold value, described overlapping coverage is less than or equal to described 3rd preset value, and described adjacent area crosses coverage less than or equal to described 4th preset value, it is determined that the down interference source of described main plot to be measured is external disturbance or different system interference.
Wherein, the analytical equipment of the descending interference of above-mentioned LTE network, also include:
First adjusting module, if the down interference source for described main plot to be measured is mould three interference, is then adjusted PCI, transmitting power, antenna azimuth and/or angle of declination；
Second adjusting module, the folded cover jamming if the down interference source being used for described main plot to be measured is attached most importance to, then the collaborative power in minizone and/or coverage are adjusted；
3rd adjusting module, if the down interference source for described main plot to be measured is that adjacent cell crosses cover jamming, is then adjusted transmitting power, website height, antenna azimuth and/or angle of declination；Or
4th adjusting module, if the down interference source for described main plot to be measured is external disturbance or different system interference, then carries out on-the-spot frequency sweep.
The embodiment of the present invention has the advantages that
The analysis method of the descending interference of LTE network of the embodiment of the present invention, by successively the descending Block Error Rate of MAC layer, mould three interference strength, overlapping coverage and adjacent area being crossed coverage and are analyzed, it is possible to judge network downstream interference problem intuitively, in all directions and provide corresponding Optimizing Suggestions for described network downstream interference problem.
Accompanying drawing explanation
Fig. 1 represents the workflow diagram of the analysis method of the descending interference of LTE network of the embodiment of the present invention；
Fig. 2 represents the analysis principle figure of the analysis method of the descending interference of LTE network of the embodiment of the present invention；
Fig. 3 represents the structured flowchart of the analytical equipment of the descending interference of LTE network of the embodiment of the present invention.
Detailed description of the invention
For making the technical problem to be solved in the present invention, technical scheme and advantage clearly, it is described in detail below in conjunction with specific embodiment and accompanying drawing.
Embodiments providing analysis method and the device of the descending interference of a kind of LTE network, solving prior art can not problem comprehensive, reflection LTE wireless network performance intuitively.
The analysis method of the descending interference of LTE network of the embodiment of the present invention, as it is shown in figure 1, include:
Step S11: obtain network performance index KPI data information and belong to the Network Measurement Report MR data message that the terminal of main plot to be measured gathers.
In a particular embodiment of the present invention, described MR data message includes: the Physical Cell Identifier PCI of the signal intensity RSRP of described main plot to be measured and adjacent cell, described main plot to be measured and described adjacent cell and the adjacent cell number of described main plot to be measured.
Step S12: according to described MR data message, obtains mould three interference strength, overlapping coverage and adjacent area and crosses coverage, and according to described KPI data information, obtain the descending Block Error Rate of media interviews mac layer.
In a particular embodiment of the present invention, according to described MR data message, obtain the step of mould three interference strength, specifically include:
RSRP and PCI according to described main plot to be measured and described adjacent cell, described MR data message obtains and meets the first pre-conditioned first information number, the described first pre-conditioned PCI mould three for the described main plot to be measured difference equal to the PCI mould three of described adjacent cell and the RSRP of described the main plot to be measured and RSRP of described adjacent cell is less than the first predetermined threshold, wherein, described first predetermined threshold can be specially 6dBm；
RSRP according to described the main plot to be measured and RSRP of described adjacent cell, described MR data message obtains and meets second the second pre-conditioned Information Number, the difference of the described second pre-conditioned RSRP for described the main plot to be measured and RSRP of described adjacent cell is less than the second predetermined threshold, wherein, described second predetermined threshold can be specially 6dBm；
By the ratio of described first information number and described second Information Number, as described mould three interference strength.
In a particular embodiment of the present invention, according to described MR data message, obtain the step of overlapping coverage, specifically include:
Adjacent cell number according to the RSRP of described main plot to be measured, the RSRP of described adjacent cell and described main plot to be measured, described MR data message obtains and meets the 3rd the 3rd pre-conditioned Information Number, wherein, the difference of the described 3rd pre-conditioned RSRP for described the main plot to be measured and RSRP of described adjacent cell is less than the 3rd predetermined threshold, such as 6dBm, and adjacent cell number is be more than or equal to the 4th predetermined threshold, it is possible to be specially 3；
By the ratio of described 3rd Information Number Yu total information number, as described overlapping coverage, wherein, described total information number is the sum of the Network Measurement Report MR data message of the terminal collection belonging to described main plot to be measured.
In a particular embodiment of the present invention, according to described MR data message, obtain adjacent area and cross the step of coverage, specifically include:
RSRP according to described the main plot to be measured and RSRP of described adjacent cell, described MR data message obtains and meets the 4th the 4th pre-conditioned Information Number, wherein, the difference of the described 4th pre-conditioned RSRP for described the main plot to be measured and RSRP of described adjacent cell is less than the 5th predetermined threshold, wherein, the 5th predetermined threshold can be specially 5dBm；
RSRP according to described main plot to be measured, obtaining in described MR data message and meet the 5th the 5th pre-conditioned Information Number, wherein, the described 5th pre-conditioned RSRP for described main plot to be measured is more than the 6th predetermined threshold, wherein, the 5th predetermined threshold can be specially-95dBm；
By the ratio of described 4th Information Number and described 5th Information Number, cross coverage as described adjacent area.
In a particular embodiment of the present invention, above-mentioned pre-conditioned and reservation threshold can according to the development of network adaptation, be not limited in foregoing description.
Step S13: by described mould three interference strength, described overlapping coverage, described adjacent area crosses coverage and the descending Block Error Rate of described MAC layer compares analysis from different threshold values respectively, draws the down interference source of described main plot to be measured.
In a particular embodiment of the present invention, described step S13 specifically includes:
If the descending Block Error Rate of described MAC layer is less than or equal to the first threshold value, it is determined that described main plot to be measured is without descending interference；
If the descending Block Error Rate of described MAC layer is more than described first threshold value, and described mould three interference strength is more than the second threshold value, it is determined that the down interference source of described main plot to be measured is that mould three disturbs and exports mould three and disturbs adjacent area；
If the descending Block Error Rate of described MAC layer is more than described first threshold value, described mould three interference strength less than or equal to described second threshold value and described overlapping coverage more than the 3rd threshold value, it is determined that the down interference source of described main plot to be measured is attached most importance to folded cover jamming export and overlapping cover adjacent area；
If the descending Block Error Rate of described MAC layer is more than described first threshold value, described mould three interference strength is less than or equal to described second threshold value, described overlapping coverage is less than or equal to described 3rd preset value, and described adjacent area crosses coverage more than the 4th preset value, it is determined that the down interference source of described main plot to be measured is that adjacent cell is crossed cover jamming and exported covering adjacent area；Or
If the descending Block Error Rate of described MAC layer is more than described first threshold value, described mould three interference strength is less than or equal to described second threshold value, described overlapping coverage is less than or equal to described 3rd preset value, and described adjacent area crosses coverage less than or equal to described 4th preset value, it is determined that the down interference source of described main plot to be measured is external disturbance or different system interference.
In a particular embodiment of the present invention, described by described mould three interference strength, described overlapping coverage, described adjacent area crosses coverage and the described community descending Block Error Rate of MAC layer compares analysis from different threshold values respectively, after drawing the step of down interference source of described main plot to be measured, described method also includes:
If the down interference source of described main plot to be measured is mould three interference, then PCI, transmitting power, antenna azimuth and/or angle of declination are adjusted；
The folded cover jamming if the down interference source of described main plot to be measured is attached most importance to, then be adjusted the collaborative power in minizone and/or coverage；
If the down interference source of described main plot to be measured is adjacent cell crosses cover jamming, then transmitting power, website height, antenna azimuth and/or angle of declination are adjusted；Or
If the down interference source of described main plot to be measured is external disturbance or different system interference, then carry out on-the-spot frequency sweep.
LTE network, based on the analysis of KPI class data and MR class data, is estimated and optimizes by the embodiment of the present invention, it is possible to characterizes the downlink quality situation in network element overall region, and has broken away from the restriction that can only carry out testing in prior art within certain time and region.
Illustrate that the embodiment of the present invention crosses, according to the descending Block Error Rate of MAC layer, mould three interference strength, overlapping coverage and adjacent area, the process that network downstream interference problem is analyzed by coverage in detail below.
In a particular embodiment of the present invention, as in figure 2 it is shown, include:
Step 21: judge that whether the descending Block Error Rate of MAC layer is more than the first threshold value, wherein, first threshold value can be specially 1%, when the descending Block Error Rate of MAC layer is less than or equal to 1%, then illustrate that main plot to be measured is without descending interference problem, when the descending Block Error Rate of MAC layer is more than the first threshold value 1%, then enter step 22；
Step 22: judge that whether mould three interference strength is more than the second threshold value, wherein, second threshold value can be specially 20%, when mould three interference strength is more than 20%, the down interference source then determining described main plot to be measured is mould three interference, output mould three disturbs adjacent area, and could be adjusted to PCI, transmitting power, antenna azimuth and/or angle of declination suppress interference；When mould three interference strength is less than or equal to 20%, then enter step 23；
Step 23: judge that whether overlapping coverage is more than the 3rd threshold value, wherein, 3rd threshold value can be specially 10%, when overlapping coverage is more than 10%, then determine that the down interference source of described main plot to be measured is attached most importance to folded cover jamming, output overlap covers adjacent area, and could be adjusted to suppress interference to the collaborative power in minizone and/or coverage；When overlapping coverage is less than or equal to 10%, then enter step 24；
Step 24: judge that coverage is crossed more than the 4th threshold value in adjacent area whether, wherein, 4th threshold value can be specially 10%, when coverage is crossed more than 10% in adjacent area, the down interference source determining described main plot to be measured is that adjacent cell crosses cover jamming, exported covering adjacent area, and could be adjusted to transmitting power, website height, antenna azimuth and/or angle of declination suppress interference；When coverage is crossed less than or equal to 10% in adjacent area, it is determined that the down interference source of described main plot to be measured is external disturbance or different system interference, and investigate interference source by on-the-spot frequency sweep.
The descending Block Error Rate of MAC layer, mould three interference strength, overlapping coverage and adjacent area are crossed coverage and are analyzed by the embodiment of the present invention successively, obtain the concrete reason of descending interference problem, and provide corresponding Optimized Measures for each concrete reason.
The embodiment of the present invention additionally provides the analytical equipment of the descending interference of a kind of LTE network, as it is shown on figure 3, include:
Acquisition module 31, for obtaining network performance index KPI data information and belonging to the Network Measurement Report MR data message that the terminal of main plot to be measured gathers；
Generation module 32, for according to described MR data message, obtaining mould three interference strength, overlapping coverage and adjacent area and cross coverage, and according to described KPI data information, obtain the descending Block Error Rate of media interviews mac layer；
Analysis module 33, for by described mould three interference strength, described overlapping coverage, described adjacent area crosses coverage and the descending Block Error Rate of described MAC layer compares analysis from different threshold values respectively, draws the down interference source of described main plot to be measured.
The analytical equipment of the descending interference of LTE network of the embodiment of the present invention, described MR data message includes: the Physical Cell Identifier PCI of the signal intensity RSRP of described main plot to be measured and adjacent cell, described main plot to be measured and described adjacent cell and the adjacent cell number of described main plot to be measured.
The analytical equipment of the descending interference of LTE network of the embodiment of the present invention, described generation module 32 includes:
First acquiring unit, for RSRP and PCI according to described main plot to be measured and described adjacent cell, obtaining in described MR data message and meet the first pre-conditioned first information number, the described first pre-conditioned PCI mould three for the described main plot to be measured difference equal to the PCI mould three of described adjacent cell and the RSRP of described the main plot to be measured and RSRP of described adjacent cell is less than the first predetermined threshold；
Second acquisition unit, RSRP for the RSRP according to described main plot to be measured and described adjacent cell, obtaining in described MR data message and meet second the second pre-conditioned Information Number, the difference of the described second pre-conditioned RSRP for described the main plot to be measured and RSRP of described adjacent cell is less than the second predetermined threshold；
First generates unit, for according to described first information number and described second Information Number, obtaining described mould three interference strength.
The analytical equipment of the descending interference of LTE network of the embodiment of the present invention, described generation module 32 includes:
3rd acquiring unit, for the adjacent cell number according to the RSRP of described main plot to be measured, the RSRP of described adjacent cell and described main plot to be measured, described MR data message obtains and meets the 3rd the 3rd pre-conditioned Information Number, wherein, the difference of the described 3rd pre-conditioned RSRP for described the main plot to be measured and RSRP of described adjacent cell is less than the 3rd predetermined threshold, and adjacent cell number is be more than or equal to the 4th predetermined threshold；
Second generates unit, and for according to described 3rd Information Number and total information number, obtaining described overlapping coverage, wherein, described total information number is the sum of the Network Measurement Report MR data message of the terminal collection belonging to described main plot to be measured.
The analytical equipment of the descending interference of LTE network of the embodiment of the present invention, described generation module 32 includes:
4th acquiring unit, RSRP for the RSRP according to described main plot to be measured and described adjacent cell, described MR data message obtains and meets the 4th the 4th pre-conditioned Information Number, wherein, the described 4th pre-conditioned RSRP for described main plot to be measured and the difference of the RSRP of described adjacent cell are less than the 5th predetermined threshold；
5th acquiring unit, for the RSRP according to described main plot to be measured, obtains in described MR data message and meets the 5th the 5th pre-conditioned Information Number, and wherein, the described 5th pre-conditioned RSRP for described main plot to be measured is more than the 6th predetermined threshold；
3rd generates unit, for according to described 4th Information Number and described 5th Information Number, obtaining described adjacent area and cross coverage.
The analytical equipment of the descending interference of LTE network of the embodiment of the present invention, described analysis module 33 includes:
First analytic unit, if for the descending Block Error Rate of described MAC layer less than or equal to the first threshold value, it is determined that described main plot to be measured is without descending interference；
Second analytic unit, if for the descending Block Error Rate of described MAC layer more than described first threshold value, and described mould three interference strength is more than the second threshold value, it is determined that the down interference source of described main plot to be measured is that mould three disturbs and exports mould three and disturbs adjacent area；
3rd analytic unit, if for the descending Block Error Rate of described MAC layer more than described first threshold value, described mould three interference strength less than or equal to the second threshold value and described overlapping coverage more than the 3rd threshold value, it is determined that the down interference source of described main plot to be measured is attached most importance to folded cover jamming export and overlapping cover adjacent area；
4th analytic unit, if for the descending Block Error Rate of described MAC layer more than described first threshold value, described mould three interference strength is less than or equal to described second threshold value, described overlapping coverage is less than or equal to described 3rd preset value, and described adjacent area crosses coverage more than the 4th preset value, it is determined that the down interference source of described main plot to be measured is that adjacent cell is crossed cover jamming and exported covering adjacent area；Or
5th analytic unit, if for the descending Block Error Rate of described MAC layer more than described first threshold value, described mould three interference strength is less than or equal to described second threshold value, described overlapping coverage is less than or equal to described 3rd preset value, and described adjacent area crosses coverage less than or equal to described 4th preset value, it is determined that the down interference source of described main plot to be measured is external disturbance or different system interference.
The analytical equipment of the descending interference of LTE network of the embodiment of the present invention, also includes:
First adjusting module, if the down interference source for described main plot to be measured is mould three interference, is then adjusted PCI, transmitting power, antenna azimuth and/or angle of declination；
Second adjusting module, the folded cover jamming if the down interference source being used for described main plot to be measured is attached most importance to, then the collaborative power in minizone and/or coverage are adjusted；
3rd adjusting module, if the down interference source for described main plot to be measured is that adjacent cell crosses cover jamming, is then adjusted transmitting power, website height, antenna azimuth and/or angle of declination；Or
4th adjusting module, if the down interference source for described main plot to be measured is external disturbance or different system interference, then carries out on-the-spot frequency sweep.
It should be noted that this device is the device corresponding with said method embodiment, in said method embodiment, all implementations are all suitable in the embodiment of this device, also can reach identical technique effect.
The embodiment of the present invention passes through network performance index KPI data information and Network Measurement Report MR data message, helps network optimization personnel more intuitively to judge network downstream interference problem, and descending interference problem is analyzed clearly, provide Optimizing Suggestions simultaneously.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (14)
1. the analysis method of the descending interference of LTE network, it is characterised in that including:
Obtain network performance index KPI data information and belong to the Network Measurement Report MR data message that the terminal of main plot to be measured gathers；
According to described MR data message, obtain mould three interference strength, overlapping coverage and adjacent area and cross coverage, and according to described KPI data information, obtain the descending Block Error Rate of media interviews mac layer；
By described mould three interference strength, described overlapping coverage, described adjacent area crosses coverage and the descending Block Error Rate of described MAC layer compares analysis from different threshold values respectively, draws the down interference source of described main plot to be measured.
2. the analysis method of the descending interference of LTE network according to claim 1, it is characterized in that, described MR data message includes: the Physical Cell Identifier PCI of the signal intensity RSRP of described main plot to be measured and adjacent cell, described main plot to be measured and described adjacent cell and the adjacent cell number of described main plot to be measured.
3. the analysis method of the descending interference of LTE network according to claim 2, it is characterised in that according to described MR data message, obtain the step of mould three interference strength, specifically include:
RSRP and PCI according to described main plot to be measured and described adjacent cell, obtaining in described MR data message and meet the first pre-conditioned first information number, the described first pre-conditioned PCI mould three for the described main plot to be measured difference equal to the PCI mould three of described adjacent cell and the RSRP of described the main plot to be measured and RSRP of described adjacent cell is less than the first predetermined threshold；
RSRP according to described the main plot to be measured and RSRP of described adjacent cell, obtaining in described MR data message and meet second the second pre-conditioned Information Number, the difference of the described second pre-conditioned RSRP for described the main plot to be measured and RSRP of described adjacent cell is less than the second predetermined threshold；
According to described first information number and described second Information Number, obtain described mould three interference strength.
4. the analysis method of the descending interference of LTE network according to claim 2, it is characterised in that according to described MR data message, obtain the step of overlapping coverage, specifically include:
Adjacent cell number according to the RSRP of described main plot to be measured, the RSRP of described adjacent cell and described main plot to be measured, described MR data message obtains and meets the 3rd the 3rd pre-conditioned Information Number, wherein, the difference of the described 3rd pre-conditioned RSRP for described the main plot to be measured and RSRP of described adjacent cell is less than the 3rd predetermined threshold, and adjacent cell number is be more than or equal to the 4th predetermined threshold；
According to described 3rd Information Number and total information number, obtaining described overlapping coverage, wherein, described total information number is the sum of the Network Measurement Report MR data message of the terminal collection belonging to described main plot to be measured.
5. the analysis method of the descending interference of LTE network according to claim 2, it is characterised in that according to described MR data message, obtains adjacent area and crosses the step of coverage, specifically include:
RSRP according to described the main plot to be measured and RSRP of described adjacent cell, described MR data message obtains and meets the 4th the 4th pre-conditioned Information Number, wherein, the described 4th pre-conditioned RSRP for described main plot to be measured and the difference of the RSRP of described adjacent cell are less than the 5th predetermined threshold；
RSRP according to described main plot to be measured, obtains in described MR data message and meets the 5th the 5th pre-conditioned Information Number, and wherein, the described 5th pre-conditioned RSRP for described main plot to be measured is more than the 6th predetermined threshold；
According to described 4th Information Number and described 5th Information Number, obtain described adjacent area and cross coverage.
6. the analysis method of the descending interference of LTE network according to claim 1, it is characterized in that, described by described mould three interference strength, described overlapping coverage, described adjacent area crosses coverage and the descending Block Error Rate of described MAC layer compares from different threshold values respectively, draw the step of the down interference source of described main plot to be measured, specifically include:
If the descending Block Error Rate of described MAC layer is less than or equal to the first threshold value, it is determined that described main plot to be measured is without descending interference；
If the descending Block Error Rate of described MAC layer is more than described first threshold value, and described mould three interference strength is more than the second threshold value, it is determined that the down interference source of described main plot to be measured is that mould three disturbs and exports mould three and disturbs adjacent area；
If the descending Block Error Rate of described MAC layer is more than described first threshold value, described mould three interference strength less than or equal to described second threshold value and described overlapping coverage more than the 3rd threshold value, it is determined that the down interference source of described main plot to be measured is attached most importance to folded cover jamming export and overlapping cover adjacent area；
If the descending Block Error Rate of described MAC layer is more than described first threshold value, described mould three interference strength is less than or equal to described second threshold value, described overlapping coverage is less than or equal to described 3rd preset value, and described adjacent area crosses coverage more than the 4th preset value, it is determined that the down interference source of described main plot to be measured is that adjacent cell is crossed cover jamming and exported covering adjacent area；Or
If the descending Block Error Rate of described MAC layer is more than described first threshold value, described mould three interference strength is less than or equal to described second threshold value, described overlapping coverage is less than or equal to described 3rd preset value, and described adjacent area crosses coverage less than or equal to described 4th preset value, it is determined that the down interference source of described main plot to be measured is external disturbance or different system interference.
7. the analysis method of the descending interference of LTE network according to claim 1, it is characterized in that, described by described mould three interference strength, described overlapping coverage, described adjacent area crosses coverage and the described community descending Block Error Rate of MAC layer compares analysis from different threshold values respectively, after drawing the step of down interference source of described main plot to be measured, described method also includes:
If the down interference source of described main plot to be measured is mould three interference, then PCI, transmitting power, antenna azimuth and/or angle of declination are adjusted；
The folded cover jamming if the down interference source of described main plot to be measured is attached most importance to, then be adjusted the collaborative power in minizone and/or coverage；
If the down interference source of described main plot to be measured is adjacent cell crosses cover jamming, then transmitting power, website height, antenna azimuth and/or angle of declination are adjusted；Or
If the down interference source of described main plot to be measured is external disturbance or different system interference, then carry out on-the-spot frequency sweep.
8. the analytical equipment of the descending interference of LTE network, it is characterised in that including:
Acquisition module, for obtaining network performance index KPI data information and belonging to the Network Measurement Report MR data message that the terminal of main plot to be measured gathers；
Generation module, for according to described MR data message, obtaining mould three interference strength, overlapping coverage and adjacent area and cross coverage, and according to described KPI data information, obtain the descending Block Error Rate of media interviews mac layer；
Analysis module, for by described mould three interference strength, described overlapping coverage, described adjacent area crosses coverage and the descending Block Error Rate of described MAC layer compares analysis from different threshold values respectively, draws the down interference source of described main plot to be measured.
9. the analytical equipment of the descending interference of LTE network according to claim 8, it is characterized in that, described MR data message includes: the Physical Cell Identifier PCI of the signal intensity RSRP of described main plot to be measured and adjacent cell, described main plot to be measured and described adjacent cell and the adjacent cell number of described main plot to be measured.
10. the analytical equipment of the descending interference of LTE network according to claim 9, it is characterised in that described generation module includes:
First acquiring unit, for RSRP and PCI according to described main plot to be measured and described adjacent cell, obtaining in described MR data message and meet the first pre-conditioned first information number, the described first pre-conditioned PCI mould three for the described main plot to be measured difference equal to the PCI mould three of described adjacent cell and the RSRP of described the main plot to be measured and RSRP of described adjacent cell is less than the first predetermined threshold；
Second acquisition unit, RSRP for the RSRP according to described main plot to be measured and described adjacent cell, obtaining in described MR data message and meet second the second pre-conditioned Information Number, the difference of the described second pre-conditioned RSRP for described the main plot to be measured and RSRP of described adjacent cell is less than the second predetermined threshold；
First generates unit, for according to described first information number and described second Information Number, obtaining described mould three interference strength.
11. the analytical equipment of the descending interference of LTE network according to claim 9, it is characterised in that described generation module includes:
3rd acquiring unit, for the adjacent cell number according to the RSRP of described main plot to be measured, the RSRP of described adjacent cell and described main plot to be measured, described MR data message obtains and meets the 3rd the 3rd pre-conditioned Information Number, wherein, the difference of the described 3rd pre-conditioned RSRP for described the main plot to be measured and RSRP of described adjacent cell is less than the 3rd predetermined threshold, and adjacent cell number is be more than or equal to the 4th predetermined threshold；
Second generates unit, and for according to described 3rd Information Number and total information number, obtaining described overlapping coverage, wherein, described total information number is the sum of the Network Measurement Report MR data message of the terminal collection belonging to described main plot to be measured.
12. the analytical equipment of the descending interference of LTE network according to claim 9, it is characterised in that described generation module includes:
4th acquiring unit, RSRP for the RSRP according to described main plot to be measured and described adjacent cell, described MR data message obtains and meets the 4th the 4th pre-conditioned Information Number, wherein, the described 4th pre-conditioned RSRP for described main plot to be measured and the difference of the RSRP of described adjacent cell are less than the 5th predetermined threshold；
5th acquiring unit, for the RSRP according to described main plot to be measured, obtains in described MR data message and meets the 5th the 5th pre-conditioned Information Number, and wherein, the described 5th pre-conditioned RSRP for described main plot to be measured is more than the 6th predetermined threshold；
3rd generates unit, for according to described 4th Information Number and described 5th Information Number, obtaining described adjacent area and cross coverage.
13. the analytical equipment of the descending interference of LTE network according to claim 8, it is characterised in that described analysis module includes:
First analytic unit, if for the descending Block Error Rate of described MAC layer less than or equal to the first threshold value, it is determined that described main plot to be measured is without descending interference；
Second analytic unit, if for the descending Block Error Rate of described MAC layer more than described first threshold value, and described mould three interference strength is more than the second threshold value, it is determined that the down interference source of described main plot to be measured is that mould three disturbs and exports mould three and disturbs adjacent area；
3rd analytic unit, if for the descending Block Error Rate of described MAC layer more than described first threshold value, described mould three interference strength less than or equal to the second threshold value and described overlapping coverage more than the 3rd threshold value, it is determined that the down interference source of described main plot to be measured is attached most importance to folded cover jamming export and overlapping cover adjacent area；
4th analytic unit, if for the descending Block Error Rate of described MAC layer more than described first threshold value, described mould three interference strength is less than or equal to described second threshold value, described overlapping coverage is less than or equal to described 3rd preset value, and described adjacent area crosses coverage more than the 4th preset value, it is determined that the down interference source of described main plot to be measured is that adjacent cell is crossed cover jamming and exported covering adjacent area；Or
5th analytic unit, if for the descending Block Error Rate of described MAC layer more than described first threshold value, described mould three interference strength is less than or equal to described second threshold value, described overlapping coverage is less than or equal to described 3rd preset value, and described adjacent area crosses coverage less than or equal to described 4th preset value, it is determined that the down interference source of described main plot to be measured is external disturbance or different system interference.
14. the analytical equipment of the descending interference of LTE network according to claim 8, it is characterised in that also include:
First adjusting module, if the down interference source for described main plot to be measured is mould three interference, is then adjusted PCI, transmitting power, antenna azimuth and/or angle of declination；
Second adjusting module, the folded cover jamming if the down interference source being used for described main plot to be measured is attached most importance to, then the collaborative power in minizone and/or coverage are adjusted；
3rd adjusting module, if the down interference source for described main plot to be measured is that adjacent cell crosses cover jamming, is then adjusted transmitting power, website height, antenna azimuth and/or angle of declination；Or
4th adjusting module, if the down interference source for described main plot to be measured is external disturbance or different system interference, then carries out on-the-spot frequency sweep.
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