CN103188704B - A kind of analytical method of mobile communication system interference source, device and system - Google Patents
A kind of analytical method of mobile communication system interference source, device and system Download PDFInfo
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- CN103188704B CN103188704B CN201110453743.0A CN201110453743A CN103188704B CN 103188704 B CN103188704 B CN 103188704B CN 201110453743 A CN201110453743 A CN 201110453743A CN 103188704 B CN103188704 B CN 103188704B
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Abstract
The invention discloses a kind of analytical method of mobile communication system interference source, device and system, comprise data acquisition module, data mixing module, interfere information database, interference characteristic sample database, geographic information database, base station data storehouse and interference analysis module.Adopt technical scheme of the present invention, the statistics that generally can use based on current industry is as analysis data source, for base station equipment without excessive data collect and report demand, realize difficulty little, and can Conjoint Analysis uplink and downlink frequency range, uplink and downlink time slot interference situation, without the need to additionally increasing band downlink or time slot measuring equipment, the characteristic of interference is located definitely simultaneously.
Description
Technical field
The present invention relates to mobile communication technology field, particularly relate to a kind of analytical method of mobile communication system interference source, device and system.
Background technology
Along with the development of mobile communication technology, the universal and ripe of mobile communication equipment, people are also more and more personalized for the demand of mobile communication equipment.Partial depth covers not enough region in the urgent need to quorum sensing inhibitor on the one hand, and part sensitizing range and sensitive time interval do not wish that again handheld mobile communication device can normally use on the other hand.Use the cheap of ubiquitous lack of standard and the equipment price such as repeater, interference unit due to domestic for mobile communication equipment, private dress repeater or interference unit form more and more serious threat for normal operation of mobile communications network.
Investigation for the position of interference source such as repeater, interference unit annoyings Ge great operator all the time, and traditional Human disturbance investigation needs to perform following steps:
Step 1: on-the-spot sweep check, determines interference band and interference region;
Step 2: find at least three commanding elevations in interference region, record commanding elevation longitude and latitude, uses directional antenna to determine to disturb arrival bearing respectively;
Step 3: the intersection point being found out three arrival bearings by three-point fox method is the possible position of interference source.
Traditional Man interference arrange distinguish method length consuming time, consumption human resources are large, can not tackle the speed of the interference source appearance emerged in an endless stream.In recent years, all kinds of unartificial interference investigation mode engenders, if number of patent application is the localization method and the device that disclose a kind of interference source in the invention of " 200910238588.3 ", in order to solve when location interference source, precision is low, the problem of poor accuracy.
This technical scheme determine interference signal that each collection point gathers corresponding carry out wave angle, and determine the interference source path locus through collection point, determine the attribute information of each interference signal in each collection point, and according to the attribute information of each interference signal in the described each collection point determined, and the described interference source path locus determined, determine the position of interference source.This technical scheme thinks the interference signal because the interference signal with identical attribute information may send for same interference source, therefore this technical scheme is by the intersection point carrying out the path locus that wave angle is determined corresponding for the interference signal with same alike result information, as the position of interference source, thus the interference effectively eliminated because the refraction of building to signal causes, and between disturbance source signal, superpose the interference of generation, make the position of the interference source determined more accurate.
The essence of this technical scheme gathers interference signal arrival bearing angle by base station equipment, according to the similitude of the interference signal received in time domain, frequency domain, amplifier distortion, judge whether interference signal belongs to same interference source, the method of being located by multiple-spot detection from the interference arrival bearing in same disturbance source received multiple base station is analyzed, and judges the position that interference source is possible.
But also there is following problem in this arrange distinguish method:
Problem 1: require high to base station equipment, require that base station equipment can be measured with high frequency time, and accurately report time domain and frequency domain information, the amplifier distortion information etc. of Received signal strength, reported data amount is large, require high to the computing of base station main equipment platform, storage and data transmission capabilities, realize difficulty large;
Problem 2: for band downlink (for FDD system) and descending time slot (for TDD system), base station equipment cannot be measured, needs to increase extra testing equipment, brings extra equipment investment or manpower consumption.
Summary of the invention
The embodiment of the present invention provides a kind of analytical method of mobile communication system interference source, device and system, in order to solve exist in prior art high and problem that is that cannot measure for band downlink or descending time slot is required to base station equipment when location interference source.
The scheme that the embodiment of the present invention proposes comprises:
A kind of analytical method of mobile communication system interference source, comprise the following steps: situation about being disturbed according to the base station be disturbed in interfere information analysis predetermined time period and/or UE equipment, screening belongs to the interference region of same interference source, and determines the border coverage of described interference region according to path loss; According to the longitude and latitude in the border coverage of described interference region and altitudes, generate to should the three-dimensional traversal of interference region interval; To should the interval each three-dimensional traversal point of three-dimensional traversal, determine this three-dimensional traversal Actual path loss to each base station of being disturbed and/or UE equipment; According to the interference characteristic sample data preset, determine that the transmitting power traversal of the interference source being positioned at this three-dimensional traversal point is interval; In the transmitting power traversal interval determined, each performance number is traveled through with the power step size value preset, the interference signal that the interference source being positioned at each three-dimensional traversal point under calculating corresponding different capacity value produces, after this three-dimensional traversal point through determining to the Actual path loss of each base station of being disturbed and/or UE equipment, arrive the interference signal intensity of each base station of being disturbed and/or UE equipment position; If the result calculated in default precision tolerance band with each base station of being disturbed and/or the actual interfering signal power received of UE equipment all consistent, then judge that this three-dimensional travels through that to put be doubtful position of interference source; Joint account is carried out to the doubtful position of interference source information that each predetermined time period corresponding in predetermined period obtains, determines position of interference source information.
A kind of analytical equipment of mobile communication system interference source, comprise: interference border determination module, for situation about being disturbed according to the base station be disturbed in interfere information analysis predetermined time period and/or UE equipment, screening belongs to the interference region of same interference source, and determines the border coverage of described interference region according to path loss; Traversal interval determination module, for according to the longitude and latitude in the border coverage of described interference region and altitudes, generate to should the three-dimensional traversal of interference region interval; Path loss determination module, for should the interval each three-dimensional traversal point of three-dimensional traversal, determines this three-dimensional traversal Actual path loss to each base station of being disturbed and/or UE equipment; Transmitting power traversal interval determination module, for according to the interference characteristic sample data preset, determines that the transmitting power traversal of the interference source being positioned at this three-dimensional traversal point is interval; Interference analysis module, for in the transmitting power traversal interval generated, each performance number is traveled through with the power step size preset, the interference signal that the interference source being positioned at each three-dimensional traversal point under calculating corresponding different capacity value produces, after this three-dimensional traversal point through determining to the Actual path loss of each base station of being disturbed and/or UE equipment, arrive the interfere information intensity of each base station of being disturbed and/or UE equipment position; Doubtful interference source determination module, for when the result calculated in default precision tolerance band with each base station of being disturbed and/or the actual interfering signal power received of UE equipment all consistent time, judge that this three-dimensional travels through that to put be doubtful position of interference source; Interference source information determination module, carries out joint account for the doubtful position of interference source information obtained each predetermined time period corresponding in predetermined period, determines position of interference source information.
A kind of analytical system of mobile communication system interference source, comprise data acquisition module, data mixing module, interfere information database, interference characteristic sample database, geographic information database, base station data storehouse and interference analysis module, wherein data acquisition module, for obtaining the interference power metrical information that base station and/or UE equipment report from mobile communication network operating maintenance platform, data mixing module, it is the interfere information of index that the interference power metrical information for being obtained by data acquisition module is integrated into longitude and latitude, interfere information database, for storing the interfere information that data mixing module is sent, interference characteristic sample database, for storing the characteristic information of known disturbances equipment, geographic information database, for storing electronic three-dimensional map information and geography information, base station data storehouse, for storing base station information, interference analysis module, for the interfere information provided according to interfere information database, the electronic three-dimensional map information that geographic information database provides and geography information, the characteristic information of the base station information that base station data storehouse provides and the known disturbances equipment that interference characteristic sample database provides, calculate interference signal that all traversal points produce when there is interference source by arriving the signal strength signal intensity being respectively disturbed base station and/or UE equipment after path loss, and mate with the real data that interfere information database provides, obtain doubtful position of interference source, and joint account is carried out to each doubtful position of interference source information obtained in predetermined period, obtain position of interference source information.
The beneficial effect of the embodiment of the present invention is as follows:
1, embodiment of the present invention technical scheme be the statistics that generally uses based on current industry as analysis data source, base station equipment collected without excessive data and report demand, realizing difficulty little, avoid and high problem is required to base station equipment.
2, embodiment of the present invention technical scheme can Conjoint Analysis uplink and downlink frequency range, uplink and downlink time slot interference situation, without the need to additionally increasing band downlink or time slot measuring equipment, definitely to the characteristic location of interference simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of mobile communication system interference source analytical system in the specific embodiment of the invention one;
Fig. 2 is the flow chart that in the specific embodiment of the invention two, mobile communication system interference source is analyzed.
Fig. 3 is that in the specific embodiment of the invention two, two dimension traversal point sets up schematic diagram;
Fig. 4 is the composition structural representation of mobile communication system interference source analytical equipment in the specific embodiment of the invention three.
Embodiment
Fig. 1 is the structural representation of mobile communication system interference source analytical system in embodiment of the present invention embodiment one.As shown in Figure 1, this mobile communication system interference source analytical system comprises data acquisition module, data mixing module, interfere information database, interference characteristic sample database, geographic information database, base station data storehouse, interference analysis module and map rendering module.
Wherein, data acquisition module is by netting twine or wireless mode, the interference power metrical information that base station and/or UE equipment report is obtained from mobile communication network operating maintenance platform, and send to data mixing module, the source of interference power metrical information can be the statistical reports such as MR report, OMC report, also can be other reports such as device report.
It is the interfere information of index that interference power metrical information is integrated into longitude and latitude by data mixing module, and send to interfere information database, the interference power metrical information of cell-level or base station level is corresponded to longitude and latitude by the base station information also provided according to base station data storehouse, and the time granularity of unified interference power metrical information, if Data Source A is level report in 15 minutes, Data Source B is a hour level report, then will put Data Integration in storage for a hour level report.
The interfere information that interfere information data database storing mixing module is sent, and be supplied to interference analysis module.
The characteristic information of interference characteristic sample data library storage known disturbances equipment, comprises device type, unit type, transmitting power of equipment, equipment frequency range, equipment transmitted waveform etc., and is supplied to interference analysis module.
Geographic information database stores electronic three-dimensional map (containing geomorphology information) and geography information etc., and the information of storage is supplied to interference analysis module, its information provided is the foundation of path loss calculation, and helps to determine the address of interference source and building information etc.
Base station information in base station data library storage region, comprise the information such as longitude and latitude, antenna height, antenna azimuth, antenna pattern, supply the latitude and longitude information of data mixing module index base station and community, call the information such as antenna height, azimuth and directional diagram for interference analysis module simultaneously, calculate disturbance source position through the relevant parameter such as distance, angle, gain of spatial to antenna for base station to make interference analysis module.
The interfere information that interference analysis module provides according to interfere information database, the electronic three-dimensional map information that geographic information database provides and geography information, the characteristic information of the base station information that height value information etc. and base station data storehouse provide and the known disturbances equipment that interference characteristic sample database provides, calculate interference signal that all traversal points produce when there is interference source by arriving the signal strength signal intensity being respectively disturbed base station and/or UE equipment after path loss, and mate with the real data that interfere information database provides, obtain doubtful position of interference source, and after joint account is carried out to the doubtful position of interference source information that each time span corresponding in predetermined period obtains, the accidental value that filtering wherein comprises, obtain the longitude of probable value higher than the position of interference source of predetermined probabilities value of doubtful position of interference source appearance, latitude, highly, the information such as transmitting power and transmit direction, and obtain interference period characteristic, and according to the interference band in interference characteristic sample data, transmitting power and information corresponding to transmit direction, obtain the characteristic information of the interference source that position of interference source occurs.Information that can also be corresponding according to position of interference source described in geographic information data, obtains the geography information of interference source.
The electronic three-dimensional map information that map rendering module provides according to geographic information database and the base station information that geography information, base station data storehouse provide and position of interference source information, interference range that interference analysis module provides, play up interference range, interference grid and position of interference source information etc., and the interference range after playing up, interference grid and position of interference source information etc. are supplied to webmaster personnel.
Fig. 2 is the flow chart that in the specific embodiment of the invention two, mobile communication system interference source is analyzed.As shown in Figure 2, this mobile communication system interference source analysis process comprises the following steps:
Step 201, situation about being disturbed according to the base station be all disturbed in interfere information analysis predetermined time period (such as 1 hour) and/or UE equipment, screening belongs to the interference region (have identical time domain and frequency domain characteristic in interfere information and cover continuous print in geographic range have interfered cell to belong to the interference region of same interference source) of same interference source, and according to the maximum boundary coverage of path loss determination interference region.
Step 202, minimum, the maximum latitude determined in the border coverage of interference region, the longitude span of corresponding each latitude, the height span of corresponding each longitude and latitude, and according to longitude step value, latitude step value and the height step value preset, interference region is generated three-dimensional traversal interval.Specifically comprise the following steps:
Determine the latitude span in the coverage of interference region border, generate according to the latitude step value preset and be no less than 2 latitude scan lines.
Determine the longitude span of the interference region that every bar latitude scan line is corresponding, generate according to the longitude step value preset and be no less than 2 longitude scan lines.
The intersection point of latitude scan line and longitude scan line is traveled through a little as two dimension, generates two dimension traversal interval.
Each two dimension traversal point in corresponding two dimension traversal interval, the height value span corresponding according to this two dimension of electronic three-dimensional map information acquisition traversal point, generate three-dimensional traversal according to the height step value preset again interval, each two dimension traversal point travels through a little as three-dimensional with the intersection point of height value.
Fig. 3 is the schematic diagram that in the specific embodiment of the invention two, two dimension traversal point is set up.As shown in Figure 3, first determine the minimum latitude Y0 of interference region, form scan line 0, the interference source longitude that scan line 0 and interference region intersection point are corresponding latitude Y0 travels through scope (X0).
Secondly, latitude carries out cumulative until maximum latitude YN with certain precision, form N bar scan line, and when the more than place of scan line and interference region intersection point, then should calculate the intersection point longitude of scan line and interference region, the longitude of formation corresponding latitude Y travels through scope.The longitude Xm traversal scope that scan line Ym is corresponding is the longitude Xn traversal scope that [m1, m2] & [m3, m4], scan line Yn are corresponding is [n1, n2].Calculate the longitude X span of corresponding each latitude Y respectively, interference region is converted to the set { (X of one group of traversal longitude and latitude
0, Y
0), (X
11, Y
1), (X
12, Y
1) ..., (X
(N-1) j, Y
(N-1)), (X
n, Y
n).
Then corresponding longitude and latitude (X is determined according to electronic three-dimensional map information
n, Y
n) height span (H
n0, H
nL).Form the interval { (X of three-dimensional traversal
0, Y
0, H
0), (X
0, Y
0, H
1) ..., (X
n, Y
n, H
nL).
Each three-dimensional traversal point (X that step 203, corresponding three-dimensional traversal is interval
i, Y
i, H
i), determine that three-dimensional traversal point arrives the path loss of each base station of being disturbed or UE equipment according to electronic three-dimensional map information.
The information such as the topography and geomorphology that path loss provides according to electronic three-dimensional map, building penetration loss, antenna pattern, propagation distance calculate.
Step 204, according to interference characteristic sample data determination interference source transmitting power minimum and peak, generate the interval (P of interference source transmitting power traversal
0, P
k).
Step 205, to each three-dimensional traversal point, interval with the power step size value preset traversal power in interference source transmitting power traversal, and travel through all transmit directions (0 ~ 359 degree of orientation+omnidirectional), the interference signal that the interference source being positioned at each three-dimensional traversal point under calculating corresponding different capacity situation produces, after this three-dimensional traversal point arrives the path loss of each base station of being disturbed or UE equipment, arrive the interference signal intensity of each base station of being disturbed or UE equipment position.
If the longitude of interference source being positioned at this three-dimensional traversal point comprised in step 206 result of calculation, latitude, highly, transmitting power and transmit direction meet the Actual path loss equation of each base station of being disturbed and/or UE equipment at the precision tolerance band preset, then judge that this three-dimensional traversal point is doubtful position of interference source, thus obtain one or more the doubtful position of interference source information in a corresponding time span.
Step 207, joint account is carried out to the doubtful position of interference source information that each predetermined time period corresponding in predetermined period obtains, and the accidental value that filtering wherein comprises, obtain probable value that doubtful position of interference source occurs higher than the longitude of the position of interference source of predetermined probabilities value, latitude, highly, the information such as transmitting power and transmit direction, and obtain interference period characteristic.
The information that step 208, interference band, transmitting power and transmit direction according in interference characteristic sample data are corresponding, obtain the characteristic information of the interference source that position of interference source occurs, the characteristic information of interference source comprises type, model, transmitting power, frequency range and/or transmitted waveform.
Step 209, the information corresponding according to this position of interference source in geographic information database, obtain the geography information of interference source, and the geography information of interference source comprises the information such as address, building title, floor and/or interference grid identifier.
Correspondingly, the embodiment of the present invention also provides a kind of analytical equipment of mobile communication system interference source, as shown in Figure 4, comprising:
Interference border determination module 41, for situation about being disturbed according to the base station be disturbed in interfere information analysis predetermined time period and/or UE equipment, screening belongs to the interference region of same interference source, and determines the border coverage of described interference region according to path loss;
Traversal interval determination module 42, for the longitude and latitude in the border coverage of interference region determined according to interference border determination module 41 and altitudes, generate to should the three-dimensional traversal of interference region interval;
Path loss determination module 43, for three-dimensional traversal point each in the three-dimensional traversal interval that correspondence traversal interval determination module 42 is determined, determines this three-dimensional traversal Actual path loss to each base station of being disturbed and/or UE equipment;
Transmitting power traversal interval determination module 44, for according to the interference characteristic sample data preset, determines that the transmitting power traversal of the interference source being positioned at the three-dimensional traversal point that traversal interval determination module 42 is determined is interval;
Interference analysis module 45, transmitting power for determining at transmitting power traversal interval determination module 44 travels through in interval, each performance number is traveled through with the power step size value preset, the interference signal that the interference source being positioned at each three-dimensional traversal point under calculating corresponding different capacity value produces, after this three-dimensional traversal point through determining to the Actual path loss of each base station of being disturbed and/or UE equipment, arrive the interference signal intensity of each base station of being disturbed and/or UE equipment position;
Doubtful interference source determination module 46, for when the result that interference analysis module 45 calculates in default precision tolerance band with each base station of being disturbed and/or the actual interfering signal power received of UE equipment all consistent time, then judge that this three-dimensional traversal point is doubtful position of interference source;
Interference source information determination module 47, for carrying out joint account to the doubtful position of interference source information calculated respectively by doubtful interference source determination module 46 in each predetermined time period corresponding in predetermined period, determines position of interference source information.
Other of the analytical equipment of mobile communication system interference source here specifically implement the detailed introduction that principle please refer to the concrete enforcement principle of the above-mentioned analytical method for mobile communication system interference source, no longer too much repeat here.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (13)
1. an analytical method for mobile communication system interference source, is characterized in that, comprises the following steps:
According to the situation that the base station be disturbed in interfere information analysis predetermined time period and/or UE equipment are disturbed, screening belongs to the interference region of same interference source, and determines the border coverage of described interference region according to path loss;
According to the longitude and latitude in the border coverage of described interference region and altitudes, generate to should the three-dimensional traversal of interference region interval;
To should the interval each three-dimensional traversal point of three-dimensional traversal, determine this three-dimensional traversal Actual path loss to each base station of being disturbed and/or UE equipment;
According to the interference characteristic sample data preset, determine that the transmitting power traversal of the interference source being positioned at this three-dimensional traversal point is interval;
In the transmitting power traversal interval determined, each performance number is traveled through with the power step size value preset, the interference signal that the interference source being positioned at each three-dimensional traversal point under calculating corresponding different capacity value produces, after this three-dimensional traversal point through determining to the Actual path loss of each base station of being disturbed and/or UE equipment, arrive the interference signal intensity of each base station of being disturbed and/or UE equipment position;
If the result calculated in default precision tolerance band with each base station of being disturbed and/or the actual interfering signal power received of UE equipment all consistent, then judge that this three-dimensional travels through that to put be doubtful position of interference source;
Joint account is carried out to the doubtful position of interference source information that each predetermined time period corresponding in predetermined period obtains, and filtering is accidentally worth, obtain the longitude higher than predetermined probabilities value that doubtful position of interference source occurs, latitude, highly, transmitting power and transmit direction information, and obtain interference period characteristic and frequency information.
2. the method for claim 1, is characterized in that, according to the longitude and latitude in the border coverage of described interference region and altitudes, generate to should the three-dimensional traversal of interference region interval, comprising:
Determine the longitude span of the latitude span in this interference region border coverage, corresponding each latitude value, the height span of corresponding each longitude and latitude value;
According to longitude step value, latitude step value and the height step value preset, generate to should the three-dimensional traversal of interference region interval.
3. the method for claim 1, is characterized in that, according to the interference characteristic sample data preset, determines that the transmitting power traversal of the interference source being positioned at this three-dimensional traversal point is interval, comprising:
According to the interference characteristic sample data preset, determine to be positioned at minimum, the most high transmit power value of the interference source that this three-dimensional traversal puts;
According to minimum, the most high transmit power value determined, generate to should the transmitting power traversal of interference source interval.
4. the method for claim 1, is characterized in that, after traveling through each performance number, also comprises with the power step size value preset:
Travel through all transmit directions of this interference source;
Calculate the interference signal intensity of each base station of being disturbed and/or UE equipment position, comprising:
The performance number corresponding according to interference source and all transmit directions traversed, the interference signal that the interference source being positioned at each three-dimensional traversal point under calculating corresponding different capacity value produces, after this three-dimensional traversal point through determining to the Actual path loss of each base station of being disturbed and/or UE equipment, arrive the interference signal intensity of each base station of being disturbed and/or UE equipment position.
5. the method for claim 1, is characterized in that, the result of calculating and each base station of being disturbed and/or the actual interfering signal power received of UE equipment all consistent, comprising:
The longitude of doubtful interference source comprised in the result calculated, latitude, highly, transmitting power and transmit direction meet the Actual path loss equation of each base station of being disturbed and/or UE equipment the precision tolerance band planted agent preset.
6. the method for claim 1, is characterized in that, further comprising the steps of:
According to the position of interference source information determined, in the geographic information data preset, inquire about interference source geography information corresponding to this position of interference source information.
7. the method for claim 1, it is characterized in that, the interference region belonging to same interference source is specially in interfere information has identical time domain and frequency domain characteristic, and coverage geographically continuous print have interfered cell to belong to the interference region of same interference source.
8. method as claimed in claim 2, is characterized in that, according to longitude step value, latitude step value and the height step value preset, generate to should the three-dimensional traversal of interference region interval, comprising:
According to the latitude span of described interference region, generate according to the latitude step value preset and be no less than two latitude scan lines;
Determine the longitude span of the described interference region that every bar latitude scan line is corresponding, generate according to the longitude step value preset and be no less than two longitude scan lines;
The intersection point of described latitude scan line and described longitude scan line is traveled through a little as two dimension;
Corresponding each two dimension traversal point, obtains the height value span that this two dimension traversal point is corresponding;
Generate three-dimensional traversal according to the height step value preset interval, each two dimension traversal point travels through a little as three-dimensional with the intersection point of height value.
9. method as claimed in claim 8, is characterized in that, according to each two dimension traversal minimum height values corresponding to point of electronic three-dimensional map information acquisition and maximum height value.
10. the method for claim 1, is characterized in that, according to electronic three-dimensional map information, determines the Actual path loss of this three-dimensional traversal point to each base station of being disturbed and/or UE equipment.
The analytical equipment of 11. 1 kinds of mobile communication system interference sources, is characterized in that, comprising:
Interference border determination module, for situation about being disturbed according to the base station be disturbed in interfere information analysis predetermined time period and/or UE equipment, screening belongs to the interference region of same interference source, and determines the border coverage of described interference region according to path loss;
Traversal interval determination module, for according to the longitude and latitude in the border coverage of described interference region and altitudes, generate to should the three-dimensional traversal of interference region interval;
Path loss determination module, for should the interval each three-dimensional traversal point of three-dimensional traversal, determines this three-dimensional traversal Actual path loss to each base station of being disturbed and/or UE equipment;
Transmitting power traversal interval determination module, for according to the interference characteristic sample data preset, determines that the transmitting power traversal of the interference source being positioned at this three-dimensional traversal point is interval;
Interference analysis module, for in the transmitting power traversal interval generated, each performance number is traveled through with the power step size preset, the interference signal that the interference source being positioned at each three-dimensional traversal point under calculating corresponding different capacity value produces, after this three-dimensional traversal point through determining to the Actual path loss of each base station of being disturbed and/or UE equipment, arrive the interfere information intensity of each base station of being disturbed and/or UE equipment position;
Doubtful interference source determination module, for when the result calculated in default precision tolerance band with each base station of being disturbed and/or the actual interfering signal power received of UE equipment all consistent time, judge that this three-dimensional travels through that to put be doubtful position of interference source;
Interference source information determination module, doubtful position of interference source information for obtaining each predetermined time period corresponding in predetermined period carries out joint account, and filtering is accidentally worth, obtain the longitude higher than predetermined probabilities value that doubtful position of interference source occurs, latitude, highly, transmitting power and transmit direction information, and obtain interference period characteristic and frequency information.
The analytical system of 12. 1 kinds of mobile communication system interference sources, it is characterized in that, comprise data acquisition module, data mixing module, interfere information database, interference characteristic sample database, geographic information database, base station data storehouse and interference analysis module, wherein
Data acquisition module, for obtaining the interference power metrical information that base station and/or UE equipment report from mobile communication network operating maintenance platform;
Data mixing module, it is the interfere information of index that the interference power metrical information for being obtained by data acquisition module is integrated into longitude and latitude;
Interfere information database, for storing the interfere information that data mixing module is sent;
Interference characteristic sample database, for storing the characteristic information of known disturbances equipment;
Geographic information database, for storing electronic three-dimensional map information and geography information;
Base station data storehouse, for storing base station information;
Interference analysis module, for the interfere information provided according to interfere information database, the electronic three-dimensional map information that geographic information database provides and geography information, the characteristic information of the base station information that base station data storehouse provides and the known disturbances equipment that interference characteristic sample database provides, calculate interference signal that all traversal points produce when there is interference source by arriving the signal strength signal intensity being respectively disturbed base station and/or UE equipment after path loss, and mate with the real data that interfere information database provides, obtain doubtful position of interference source, and joint account is carried out to the doubtful position of interference source information that each predetermined time period corresponding in predetermined period obtains, and filtering is accidentally worth, obtain the longitude higher than predetermined probabilities value that doubtful position of interference source occurs, latitude, highly, transmitting power and transmit direction information, and obtain interference period characteristic and frequency information.
13. systems as claimed in claim 12, it is characterized in that, also comprise map rendering module, the position of interference source information that the base station information provided for the electronic three-dimensional map information that provides according to geographic information database and geography information, base station data storehouse and interference analysis module provide, plays up interference range, interference grid and position of interference source information.
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| CN106332115B (en) * | 2015-06-23 | 2019-07-02 | 中国移动通信集团山东有限公司 | A kind of Intermodulation Interference localization method, device and system |
| CN108668309B (en) * | 2017-03-30 | 2021-06-15 | 中国移动通信集团贵州有限公司 | Method, device and equipment for positioning interference source |
| CN108933637A (en) * | 2017-05-23 | 2018-12-04 | 中国移动通信有限公司研究院 | A kind of interference detection method, device, control platform and frequency sweep equipment |
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