CN108668309B - Method, device and equipment for positioning interference source - Google Patents
Method, device and equipment for positioning interference source Download PDFInfo
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- CN108668309B CN108668309B CN201710204446.XA CN201710204446A CN108668309B CN 108668309 B CN108668309 B CN 108668309B CN 201710204446 A CN201710204446 A CN 201710204446A CN 108668309 B CN108668309 B CN 108668309B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
- H04W64/006—Locating users or terminals or network equipment for network management purposes, e.g. mobility management with additional information processing, e.g. for direction or speed determination
Abstract
The embodiment of the invention discloses a method, a device and equipment for positioning an interference source. The method comprises the following steps: extracting the range of an interference cell and a first interference parameter of the interference cell in a network; setting an interference unit in the range of the interference cell; obtaining a second interference parameter of the interference cell when the interference device is under the first power and a third interference parameter of the interference cell when the interference device is under the second power; adjusting the position of the interference unit within the range of the interference cell, and updating a second interference parameter and a third interference parameter; calculating a first rate of change of the interference parameter based on the first interference parameter, the updated second interference parameter and the first power, and calculating a second rate of change of the interference parameter based on the updated third interference parameter, the updated second interference parameter and the second power; the first rate of change is equal to the second rate of change and the location of the interferer is located at the current location of the interferer. The embodiment of the invention can improve the efficiency of positioning the interference source.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method, an apparatus, and a device for locating an interference source.
Background
With the rapid development of wireless communication, the requirements for wireless network quality are higher and higher, and operators deploy wireless networks of various standards. Some particular types of communication devices are typically provided in wireless networks, such as jammers, blockers, repeaters, etc. These devices may have degraded quality after long-term operation, causing some interference to network devices, such as base stations.
In order to improve the network quality, after the interference exists in the network, the site where the interference exists is usually required to locate the position of the interference source. At present, the method of positioning the interference source mainly includes performing frequency sweep test in the interfered area by combining a portable frequency spectrograph and a directional antenna. And performing frequency sweep test by continuously changing the pointing direction of the directional antenna and the physical position of the antenna, and further determining an interference source based on data of the frequency sweep test.
However, this approach requires interference with field testing, consuming a significant amount of time and cost; and for interference sites of higher stations including lamp post stations, tower stations and the like, the interference sites cannot be directly checked on the top of the station for testing, and when the frequency sweeping test is carried out under the stations, interference signals are difficult to observe due to blockage of ground buildings or plants, so that the efficiency of positioning interference sources is reduced.
Disclosure of Invention
The embodiment of the invention provides a method, a device and equipment for positioning an interference source, which can improve the efficiency of positioning the interference source.
In a first aspect, an embodiment of the present invention provides a method for locating an interference source, including:
extracting the range of an interference cell in a network and a first interference parameter of the interference cell;
setting an interferer within a range in the interfering cell;
obtaining a second interference parameter of the interfering cell when the interferer is at a first power and a third interference parameter of the interfering cell when the interferer is at a second power;
adjusting the position of the interferer within the range in the interfering cell, updating the second interference parameter and the third interference parameter;
calculating a first rate of change of an interference parameter based on the first interference parameter, the updated second interference parameter, and the first power, and calculating a second rate of change of the interference parameter based on the updated third interference parameter, the updated second interference parameter, and the second power;
the first rate of change is equal to the second rate of change, and the location of the interferer is located at the current location of the interferer.
In a second aspect, an embodiment of the present invention provides an apparatus for locating an interference source, including:
the device comprises an extraction unit, a first processing unit and a second processing unit, wherein the extraction unit is used for extracting the range of an interference cell in a network and a first interference parameter of the interference cell;
a setting unit for setting an interferer within a range in the interfering cell;
an obtaining unit, configured to obtain a second interference parameter of the interfering cell when the interferer is at a first power, and a third interference parameter of the interfering cell when the interferer is at a second power;
an adjusting unit, configured to adjust a position of the interferer within a range in the interfering cell, and update the second interference parameter and the third interference parameter;
a calculating unit, configured to calculate a first change rate of an interference parameter based on the first interference parameter, the updated second interference parameter, and the first power, and calculate a second change rate of the interference parameter based on an updated third interference parameter, the updated second interference parameter, and the second power;
and the positioning unit is used for enabling the first change rate to be equal to the second change rate, and positioning the position of the interference source at the current position of the interference device.
In a third aspect, an embodiment of the present invention provides a device for locating an interference source, including:
a memory, a processor, a communication interface, and a bus;
the memory, the processor and the communication interface are connected through a bus and complete mutual communication;
the memory is used for storing program codes;
the processor executes a program corresponding to the executable program code by reading the executable program code stored in the memory for executing one.
The embodiment of the invention provides a method, a device and equipment for positioning an interference source, wherein the method comprises the steps of extracting the range of an interference cell and a first interference parameter of the interference cell in a network; setting an interference unit in the range of the interference cell; obtaining a second interference parameter of the interference cell when the interference device is under the first power and a third interference parameter of the interference cell when the interference device is under the second power; adjusting the position of the interference unit within the range of the interference cell, and updating a second interference parameter and a third interference parameter; calculating a first rate of change of the interference parameter based on the first interference parameter, the updated second interference parameter and the first power, and calculating a second rate of change of the interference parameter based on the updated third interference parameter, the updated second interference parameter and the second power; the first rate of change is equal to the second rate of change and the location of the interferer is located at the current location of the interferer. In the embodiment of the invention, the change rate of the interference parameter is calculated by arranging the straight interference unit in the interference area and adjusting the power of the interference unit, and when the current change rate and the later change rate are the same, the position of the known interference unit is the position of the interference source, so that the interference source is positioned, the position of the interference source does not need to be positioned on the site with the interference, a large amount of time and cost are saved, and the positioning efficiency of the interference source is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic flow chart of a method for locating an interference source according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a method for locating an interference source according to a further embodiment of the present invention;
FIG. 3 is a schematic block diagram of a positioning apparatus for an interference source provided in accordance with an embodiment of the present invention;
fig. 4 is a schematic block diagram of a positioning apparatus for an interference source provided according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Fig. 1 shows a schematic flow diagram of a method for locating an interferer according to an embodiment of the present invention. As shown in fig. 1, the method includes the following steps.
The range of the interfering cell and the first interference parameter of the interfering cell in the network are extracted 110.
The method comprises the steps of determining which cells have interference based on parameters of each cell in a network, and extracting the range of the interference cells and first interference parameters of the interference cells.
It should be noted that the interference parameter includes a background noise, and the interfering cell includes a cell whose background noise is greater than a preset value. The interfering cells may include N +1 cells, N being greater than or equal to 1.
The embodiment of the present invention will be described by taking an example of locating an interference source in a TD-LTE (Time Division Long Term evolution) network. It is assumed that background noise parameters are extracted from the background of each cell in the TD-LTE network, which cells are interfered by an interference source can be determined from the background noise parameters of each cell, and a cell with interference reaching a preset value is selected from the interfered cells as an interfering cell, for example, a cell with the background noise parameters reaching the preset value is selected as an interfering cell. In the embodiment of the present invention, it is assumed that 5 interfering cells are extracted and are respectively denoted as a1, a2, A3, a4, and a5, geographical location information of the interfering cells is a1(x1, y1), a2(x2, y2), A3(x3, y3), a4(x4, y4), and a5(x5, v5), and cell noise floors are respectively denoted as INF1, INF2, INF3, INF4, and INF 5.
And 120, setting the interference unit in the range of the interference cell.
The interferer is an interferer with known interference power, and the location where the interferer is placed in the interfering cell at the initial time is not limited, and may be any location.
It should be noted that, in the embodiment of the present invention, the manner of setting the jammer may be that the jammer is set in the range of the interfering cell by the transportation device, for example, the jammer is set in the range of the interfering cell by an unmanned aerial vehicle, a motor vehicle, or the like. Meanwhile, since the built-in regional map of carrying equipment such as unmanned aerial vehicles and motor vehicles can carry the jammer to any specified position of a cell.
And 130, obtaining a second interference parameter of the interference cell when the interference device is under the first power, and a third interference parameter of the interference cell when the interference device is under the second power.
The first power and the second power are different, the second power can be larger than the first power or smaller than the first power, and the interference unit respectively obtains the interference parameters under the two powers at the same position.
It should be noted that the first power may be a power when the interferer is set, and the power of the interferer is different and the interference caused to the cell is also different. And when the interference device is at the first power, obtaining second background noise parameters of each interference cell as INF1 ', INF 2', INF3 ', INF 4' and INF5 ', and when the interference device is at the second power, obtaining second background noise parameters of each interference cell as INF 1', INF2 ', INF 3', INF4 'and INF 5'.
And 140, adjusting the position of the interference unit within the range of the interference cell, and updating the second interference parameter and the third interference parameter.
Wherein, the second interference parameter and the third interference parameter need to be updated each time the position of the jammer is adjusted.
It should be noted that, in the embodiment of the present invention, the transportation device sets the interferer into the range of the interfering cell, and when adjusting the position of the interferer, the transportation device may be instructed to adjust the position of the interferer by sending an adjustment signal to the transportation device. The adjusting signal can also comprise position information of the adjusted position of the interference device, and the transportation equipment adjusts the position of the interference device according to the position information of the adjusted position of the interference device after receiving the adjusting signal.
A first rate of change of the interference parameter is calculated based on the first interference parameter, the updated second interference parameter and the first power, and a second rate of change of the interference parameter is calculated based on the updated third interference parameter, the updated second interference parameter and the second power 150.
Wherein the first rate of change comprises a first rate of change of interference for each cell and the second rate of change comprises a second rate of change of interference for each cell.
It should be noted that the difference between the first background noise parameter and the second background noise parameter is the variation of the background noise of the interferer at the first power, and then the ratio of the variation of the background noise to the first power is calculated, so that the first background noise variation rate can be calculated. The difference between the second background noise parameter and the third background noise parameter is the variation of the background noise when the interference device is adjusted from the first power to the second power, and then the ratio between the variation of the background noise and the difference between the first power and the second power is calculated, so that the second background noise change rate can be calculated. If 5 interfering cells are extracted in the embodiment of the invention, each cell can calculate the corresponding first background noise change rate and second background noise change rate.
The first rate of change is equal to the second rate of change and the location of the interferer is located at the current location of the interferer 160.
If the first change rate is equal to the second change rate, the position of the interference device is the position of the interference source, so that the position of the interference source can be located at the current position of the interference device.
In the embodiment of the invention, the change rate of the interference parameter is calculated by arranging the straight interference unit in the interference area and adjusting the power of the interference unit, and when the current change rate and the later change rate are the same, the position of the known interference unit is the position of the interference source, so that the interference source is positioned, the position of the interference source does not need to be positioned on the site with the interference, a large amount of time and cost are saved, and the positioning efficiency of the interference source is improved.
It is understood that, in the embodiment of the present invention, on the basis of the method shown in fig. 1, the method may further include: step 170, the first change rate is not equal to the second change rate, the position of the jammer is adjusted again, and the second interference parameter and the third interference parameter are updated until the first change rate is equal to the second change rate.
Since the position of the jammer when the first change rate is not equal to the second change rate needs to be determined, the position of the jammer may need to be adjusted repeatedly, and the second disturbance parameter and the third disturbance parameter need to be updated each time the position of the jammer is adjusted until the first change rate is equal to the second change rate.
It is understood that, in the embodiment of the present invention, the specific manner of adjusting the position of the interferer in step 140 may be: when an Nth target cell with the first interference change rate equal to the second interference change rate exists in the interference cell, judging whether a connection line between a base station of the Nth target cell and the interference device is positioned in a coverage range of a main lobe of an antenna corresponding to the Nth target cell; when a connection line between a base station of an Nth target cell and an interference device is not positioned in the coverage range of a main lobe of an antenna corresponding to the Nth target cell, adjusting the position of the interference device in the range of other interference cells except the Nth target cell in the interference cells; when a connecting line between the base station of the Nth target cell and the interference device is positioned in the coverage range of the main lobe of the antenna corresponding to the Nth target cell, determining the Nth target range by taking the base station of the Nth target cell as the circle center and the distance between the base station of the Nth target cell and the interference device as the radius; taking the overlapping area of the coverage area of the antenna corresponding to the Nth target area and the coverage area of the antenna corresponding to the Nth target cell as an Nth target area; adjusting the positions of the interferers in the overlapped areas of the N target areas; and taking the cells except the target cell as interference cells, and judging again, wherein N is equal to N + 1.
Wherein the initial value of N is 1. In the embodiment of the present invention, the manner of adjusting the jammer may be determined according to the order of the interfering cells, and first, a cell with a first interference change rate equal to a second interference change rate is found out from all the interfering cells, and it is determined whether a connection line between a base station of the cell and the jammer is located within a coverage area of a main lobe of an antenna corresponding to the cell. If the connection line between the base station of the cell and the interference device is not in the coverage range of the main lobe of the antenna corresponding to the cell, adjusting the position of the interference device in the range of other interference cells except the cell in the interference cell; if the connection line between the base station and the interference device of the cell is positioned in the coverage range of the main lobe of the antenna corresponding to the cell, determining a region which enables the first interference change rate and the second interference change rate of the cell to be equal, namely a target region, and obtaining the position where the first change rate and the second change rate are equal only in the target region, thereby being capable of reducing the position adjustment range.
It is understood that, in the embodiment of the present invention, the specific manner of adjusting the position of the interferer in step 140 may further be: the position of the jammer is adjusted based on the first and second interference parameters.
After the first interference parameter and the second interference parameter are obtained, the variation of the second interference parameter relative to the first interference parameter can be used to obtain the variation of the interference parameter of each interference cell after the interference cell is added, and further the strength and the angle of interference caused by the interference cell to each interference cell can be obtained, so that the direction and the trend of adjusting the position of the interference cell can be obtained.
Fig. 2 shows a schematic flow diagram of a method for locating an interferer according to yet another embodiment of the present invention. The method shown in fig. 2 is a flow chart of the method shown in fig. 1 combined with a specific scenario. In the embodiment of the present invention, for example, an interference source is located in a TD-LTE network, as shown in fig. 2, the method includes the following steps.
And 201, extracting the range of an interference cell and a first background noise parameter of the interference cell in the network, and setting an interference unit in the range of the interference cell.
In the embodiment of the present invention, it is assumed that 5 interfering cells are extracted and are respectively denoted as a1, a2, A3, a4, and a5, geographical location information of the interfering cells is a1(x1, y1), a2(x2, y2), A3(x3, y3), a4(x4, y4), and a5(x5, y5), and cell noise floors are respectively denoted as INF1, INF2, INF3, INF4, and INF 5.
202, obtaining a second background noise parameter of each interfering cell when the interferer is at the first power, and a third background noise parameter of each interfering cell when the interferer is at the second power.
And 203, calculating a first background noise change rate according to the first background noise parameter, the second background noise parameter and the first power, and calculating a second background noise change rate according to the second background noise parameter, the third background noise parameter and the second power.
204, judging whether the first background noise change rates and the second background noise change rates of all the interference cells are equal, if so, executing step 214; if not, step 205 is performed.
If the first background noise change rate and the second background noise change rate of all the interference cells are equal, the position of the interference device is the position of the interference source, and the position of the interference source can be located.
The initial value of N is set to 1 205.
206, judging whether a cell with the first background noise change rate equal to the second background noise change rate exists in the interference cell, if so, executing step 208; if not, step 207 is performed.
Whether a cell with the first background noise change rate equal to the second background noise change rate exists in the interference cell or not indicates that the interference of the interference device to the cell at the current position is the same as the interference of the interference source to the cell, so that the range of the interference to the cell which is the same as the interference of the interference source to the cell can be determined.
207, the position of the jammer is adjusted.
The method for adjusting the position of the interferer in this step is not limited, and the adjustment may be performed randomly, or the position of the interferer may be adjusted based on the first noise floor parameter and the second noise floor parameter. Step 202 is then performed.
208, determining whether N is equal to 5, if N is equal to 5, executing step 214; if N is not equal to 5, step 209 is performed.
And 209, determining a cell with the first background noise change rate and the second background noise change rate equal to each other as an Nth target cell.
And if a plurality of cells with the same first background noise change rate and second background noise change rate exist in the interference cell, randomly selecting an Nth target cell.
210, determining whether a connection line between the base station of the nth target cell and the interferer is within a coverage area of a main lobe of an antenna corresponding to the nth target cell, and if the connection line is within the coverage area of the main lobe of the antenna corresponding to the nth target cell, executing step 211; if the antenna is not in the coverage area of the main lobe of the antenna corresponding to the nth target cell, step 213 is executed.
And when a connecting line between the base station of the Nth target cell and the interference unit is positioned in the coverage range of the main lobe of the antenna corresponding to the Nth target cell, the fact that the interference unit is positioned in the coverage range of the main lobe of the antenna corresponding to the Nth target cell is shown.
And 211, determining an nth target range by taking the base station of the nth target cell as a circle center and the distance between the base station of the nth target cell and the interference unit as a radius, and taking a coverage overlapping area of the nth target range and a main lobe of an antenna corresponding to the nth target cell as an nth target area.
The method comprises the steps that the base station of the Nth target cell is used as a circle center, the distance between the base station of the Nth target cell and an interference device is used as a radius, the fact that the interference generated by the interference device to the Nth target cell in the Nth target range is equal is determined, namely the interference generated by the interference device to the Nth target cell in the Nth target range is equal, and the fact that the interference generated by the interference device to the Nth cell in the current position is the same as the interference generated by the interference device to the Nth cell can be determined, and the position of an interference source can be located in the Nth target range.
And 212, updating the cells except the Nth target cell in the interference cell as the target cell, and increasing N by 1.
Since the nth target range is already determined in step 211, that is, the location range where the interference source exists for the nth target cell is already determined, and it is unnecessary to analyze the nth target cell subsequently, the range of the interference cell is deleted from the nth target cell, that is, the interference cell mentioned in the subsequent calculation process does not include the nth target cell at this time, so that the number of the interference cells is reduced by one each time step 212 is executed.
For example, when N is equal to 1, the step 209 determines that the interfering cell a1 is the 1 st cell, the step 211 determines the 1 st target area corresponding to a1, in this step, a1 is deleted, and in the subsequent calculation process, the interfering cells include a2, A3, a4, and a 5.
213, the position of the jammer is adjusted within the overlap area of the N-1 target areas.
Wherein, the N-1 target areas are the target areas determined before the immobility, and the total number is N-1.
For example, when N is 1, the step 211 determines the 1 st target cell, and after N is incremented by 1 through the step 212, N is equal to 2, and at this time, the step 213 is executed, and N-1 target areas are the 1 st target cell, so that the position of the interferer is adjusted in the 1 st target area. Then, when N is 2, step 211 determines the 2 nd target cell again, and after N is incremented by 1 through step 212, N is equal to 3, and at this time, step 213 is executed, where N-1 target areas are the 1 st target area and the 2 nd target area, so that the position of the interferer is adjusted in the overlapping area of the 1 st target area and the 2 nd target cell.
Step 202 is performed.
The location of the interferer is located 214 at the current location of the interferer.
In the embodiment of the invention, the adjustment range of the interference unit is determined by determining the target cell once, so that the adjustment times of the interference unit are reduced, and the positioning efficiency of the interference source is improved.
Fig. 3 shows a schematic block diagram of a positioning apparatus 200 of an interference source according to an embodiment of the present invention. As shown in fig. 3, the apparatus 200 includes:
an extracting unit 201, configured to extract a range of an interfering cell in a network and a first interference parameter of the interfering cell;
a setting unit 202 configured to set an interferer within a range in the interfering cell;
an obtaining unit 205, configured to obtain a second interference parameter of the interfering cell when the interferer is at a first power, and a third interference parameter of the interfering cell when the interferer is at a second power;
an adjusting unit 204, configured to adjust a position of the interferer within a range in the interfering cell, and update the second interference parameter and the third interference parameter;
a calculating unit 205, configured to calculate a first change rate of an interference parameter based on the first interference parameter, the updated second interference parameter and the first power, and calculate a second change rate of the interference parameter based on the updated third interference parameter, the updated second interference parameter and the second power;
a positioning unit 206, configured to determine that the first rate of change is equal to the second rate of change, and the location of the interference source is located at the current location of the interferer.
In the embodiment of the invention, the change rate of the interference parameter is calculated by arranging the straight interference unit in the interference area and adjusting the power of the interference unit, and when the current change rate and the later change rate are the same, the position of the known interference unit is the position of the interference source, so that the interference source is positioned, the position of the interference source does not need to be positioned on the site with the interference, a large amount of time and cost are saved, and the positioning efficiency of the interference source is improved.
It is understood that the adjusting unit 204 is further configured to:
and adjusting the position of the interference device again and updating the second interference parameter and the third interference parameter until the first change rate is equal to the second change rate.
It is understood that the interfering cells include N +1 cells, N is greater than or equal to 1;
the first rate of change comprises a first rate of change of interference for each of the cells;
the second rate of change comprises a second rate of change of interference for each of the cells.
It is understood that the adjusting unit 204 is further configured to:
when an nth target cell with the first interference change rate equal to the second interference change rate exists in the interference cell, judging whether a connection line between a base station of the nth target cell and the interference device is within a coverage range of a main lobe of an antenna corresponding to the nth target cell;
when a connection line between the base station of the Nth target cell and the interference device is not in the coverage range of the main lobe of the antenna corresponding to the Nth target cell, adjusting the position of the interference device in the range of other interference cells except the Nth target cell in the interference cells;
when a connecting line between the base station of the Nth target cell and the interference device is positioned in a coverage range of a main lobe of an antenna corresponding to the Nth target cell, determining an Nth target range by taking the base station of the Nth target cell as a circle center and taking the distance between the base station of the Nth target cell and the interference device as a radius;
taking the overlapping area of the coverage area of the antenna corresponding to the Nth target cell and the Nth target range as an Nth target area;
adjusting the position of the interference device in the superposition area of the N target areas;
and taking the cells except the target cell as interference cells, and judging again, wherein N is equal to N + 1.
It is understood that the adjusting unit 204 is further configured to:
adjusting a position of the jammer based on the first interference parameter and the second interference parameter.
It can be understood that the interference parameter includes a background noise, and the interfering cell includes a cell having a background noise greater than a preset value.
The positioning apparatus 200 of an interference source according to an embodiment of the present invention may correspond to an execution body in the positioning method of an interference source according to an embodiment of the present invention, and the above and other operations and/or functions of each module in the positioning apparatus 200 of an interference source are respectively for implementing corresponding flows of each method in fig. 1 to fig. 2, and are not described herein again for brevity.
Fig. 4 is a schematic block diagram of a positioning apparatus 300 of an interference source according to an embodiment of the present invention. As shown in fig. 4, the device 300 includes a processor 301, a memory 302, and a communication interface 303, the memory 302 is used for storing executable program codes, the processor 301 executes programs corresponding to the executable program codes by reading the executable program codes stored in the memory 302, the communication interface 303 is used for communicating with external devices, the device 300 may further include a bus 304, and the bus 304 is used for connecting the processor 301, the memory 302, and the communication interface 303, so that the processor 301, the memory 302, and the communication interface 303 communicate with each other through the bus 304.
Specifically, the processor 301 is further configured to perform a method for locating an interference source; the method for positioning the interference source comprises the following steps:
extracting the range of an interference cell in a network and a first interference parameter of the interference cell;
setting an interferer within a range in the interfering cell;
obtaining a second interference parameter of the interfering cell when the interferer is at a first power and a third interference parameter of the interfering cell when the interferer is at a second power;
adjusting the position of the interferer within the range in the interfering cell, updating the second interference parameter and the third interference parameter;
calculating a first rate of change of an interference parameter based on the first interference parameter, the updated second interference parameter, and the first power, and calculating a second rate of change of the interference parameter based on the updated third interference parameter, the updated second interference parameter, and the second power;
the first rate of change is equal to the second rate of change, and the location of the interferer is located at the current location of the interferer.
The positioning device 300 of the interference source according to the embodiment of the present invention may correspond to an execution subject in the positioning method of the interference source according to the embodiment of the present invention, and the above and other operations and/or functions of each module in the positioning device 300 of the interference source are respectively for implementing corresponding flows of each method in fig. 1 to fig. 2, and are not described herein again for brevity.
Those of ordinary skill in the art will appreciate that the elements and algorithm steps of the examples described in connection with the embodiments disclosed herein may be embodied in electronic hardware, computer software, or combinations of both, and that the components and steps of the examples have been described in a functional general in the foregoing description for the purpose of illustrating clearly the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (11)
1. A method for locating an interferer, comprising:
extracting the range of an interference cell in a network and a first interference parameter of the interference cell;
setting an interference unit in the range of the interference cell;
obtaining a second interference parameter of the interfering cell when the interferer is at a first power and a third interference parameter of the interfering cell when the interferer is at a second power;
adjusting the position of the interferer within the range in the interfering cell, updating the second interference parameter and the third interference parameter;
calculating a first rate of change of an interference parameter based on the first interference parameter, the updated second interference parameter, and the first power, and calculating a second rate of change of the interference parameter based on the updated third interference parameter, the updated second interference parameter, and the second power;
the first rate of change is equal to the second rate of change, the location of the interferer is located at the current location of the interferer;
the interference parameters comprise a background noise, and the interference cells comprise cells with the background noise larger than a preset value.
2. The method for locating the interference source according to claim 1, further comprising:
and adjusting the position of the interference device again and updating the second interference parameter and the third interference parameter until the first change rate is equal to the second change rate.
3. The method of claim 1, wherein the interfering cells comprise N +1 cells, N is greater than or equal to 1;
the first rate of change comprises a first rate of change of interference for each of the cells;
the second rate of change comprises a second rate of change of interference for each of the cells.
4. The method of claim 3, wherein the adjusting the position of the interferer comprises:
when an nth target cell with the first interference change rate equal to the second interference change rate exists in the interference cell, judging whether a connection line between a base station of the nth target cell and the interference device is within a coverage range of a main lobe of an antenna corresponding to the nth target cell;
when a connection line between the base station of the Nth target cell and the interference device is not in the coverage range of the main lobe of the antenna corresponding to the Nth target cell, adjusting the position of the interference device in the range of other interference cells except the Nth target cell in the interference cells;
when a connecting line between the base station of the Nth target cell and the interference device is positioned in a coverage range of a main lobe of an antenna corresponding to the Nth target cell, determining an Nth target range by taking the base station of the Nth target cell as a circle center and taking the distance between the base station of the Nth target cell and the interference device as a radius;
taking the overlapping area of the coverage area of the antenna corresponding to the Nth target cell and the Nth target range as an Nth target area;
adjusting the position of the interference device in the superposition area of the N target areas;
and taking the cells except the target cell as interference cells, and judging again, wherein N is equal to N + 1.
5. The method of claim 1, wherein the adjusting the position of the interferer comprises:
adjusting a position of the jammer based on the first interference parameter and the second interference parameter.
6. An apparatus for locating an interference source, comprising:
the device comprises an extraction unit, a first processing unit and a second processing unit, wherein the extraction unit is used for extracting the range of an interference cell in a network and a first interference parameter of the interference cell;
a setting unit for setting an interferer within a range in the interfering cell;
an obtaining unit, configured to obtain a second interference parameter of the interfering cell when the interferer is at a first power, and a third interference parameter of the interfering cell when the interferer is at a second power;
an adjusting unit, configured to adjust a position of the interferer within a range in the interfering cell, and update the second interference parameter and the third interference parameter;
a calculating unit, configured to calculate a first change rate of an interference parameter based on the first interference parameter, the updated second interference parameter, and the first power, and calculate a second change rate of the interference parameter based on an updated third interference parameter, the updated second interference parameter, and the second power;
the positioning unit is used for enabling the first change rate to be equal to the second change rate, and the position of the interference source is positioned at the current position of the interference device;
the interference parameters comprise a background noise, and the interference cells comprise cells with the background noise larger than a preset value.
7. The apparatus for locating the interferer according to claim 6, wherein the adjustment unit is further configured to:
and adjusting the position of the interference device again and updating the second interference parameter and the third interference parameter until the first change rate is equal to the second change rate.
8. The apparatus for locating an interferer according to claim 6, wherein the interfering cells comprise N +1 cells, N being greater than or equal to 1;
the first rate of change comprises a first rate of change of interference for each of the cells;
the second rate of change comprises a second rate of change of interference for each of the cells.
9. The apparatus for locating the interferer according to claim 8, wherein the adjustment unit is further configured to:
when an nth target cell with the first interference change rate equal to the second interference change rate exists in the interference cell, judging whether a connection line between a base station of the nth target cell and the interference device is within a coverage range of a main lobe of an antenna corresponding to the nth target cell;
when a connection line between the base station of the Nth target cell and the interference device is not in the coverage range of the main lobe of the antenna corresponding to the Nth target cell, adjusting the position of the interference device in the range of other interference cells except the Nth target cell in the interference cells;
when a connecting line between the base station of the Nth target cell and the interference device is positioned in a coverage range of a main lobe of an antenna corresponding to the Nth target cell, determining an Nth target range by taking the base station of the Nth target cell as a circle center and taking the distance between the base station of the Nth target cell and the interference device as a radius;
taking the overlapping area of the coverage area of the antenna corresponding to the Nth target cell and the Nth target range as an Nth target area;
adjusting the position of the interference device in the superposition area of the N target areas;
and taking the cells except the target cell as interference cells, and judging again, wherein N is equal to N + 1.
10. The apparatus for locating the interferer according to claim 6, wherein the adjustment unit is further configured to:
adjusting a position of the jammer based on the first interference parameter and the second interference parameter.
11. An apparatus for locating an interference source, comprising:
a memory, a processor, a communication interface, and a bus;
the memory, the processor and the communication interface are connected through a bus and complete mutual communication;
the memory is used for storing program codes;
the processor runs a program corresponding to the executable program code by reading the executable program code stored in the memory, for executing a method for locating an interference source, the method comprising:
extracting the range of an interference cell in a network and a first interference parameter of the interference cell;
setting an interferer within a range in the interfering cell;
obtaining a second interference parameter of the interfering cell when the interferer is at a first power and a third interference parameter of the interfering cell when the interferer is at a second power;
adjusting the position of the interferer within the range in the interfering cell, updating the second interference parameter and the third interference parameter;
calculating a first rate of change of an interference parameter based on the first interference parameter, the updated second interference parameter, and the first power, and calculating a second rate of change of the interference parameter based on the updated third interference parameter, the updated second interference parameter, and the second power;
the first rate of change is equal to the second rate of change, the location of the interferer is located at the current location of the interferer;
the interference parameters comprise a background noise, and the interference cells comprise cells with the background noise larger than a preset value.
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| CN111225408B (en) * | 2019-12-31 | 2024-01-26 | 京信网络系统股份有限公司 | Wireless environment monitoring method, device, equipment and storage medium based on SmallCell base station |
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