CN111416652A - Method and equipment for measuring base station parameters - Google Patents
Method and equipment for measuring base station parameters Download PDFInfo
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- CN111416652A CN111416652A CN201910010597.0A CN201910010597A CN111416652A CN 111416652 A CN111416652 A CN 111416652A CN 201910010597 A CN201910010597 A CN 201910010597A CN 111416652 A CN111416652 A CN 111416652A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/18502—Airborne stations
- H04B7/18506—Communications with or from aircraft, i.e. aeronautical mobile service
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
Abstract
The invention provides a method and equipment for measuring a base station parameter, and relates to the technical field of communication. The method is applied to unmanned flight equipment and comprises the following steps: when flying around a target base station, receiving and measuring the signal strength of the target base station through an omnidirectional antenna on the unmanned flying equipment; and acquiring the working parameters of the target base station according to the signal strength. The scheme of the invention solves the problem of low efficiency caused by manual dependence of the existing measurement.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method and an apparatus for measuring a base station parameter.
Background
As technology develops, the demand of users on the network is also increasing, and therefore, in order to perform network optimization accurately, measurement of the parameters of the wireless base station is generally required.
Current measurement schemes rely primarily on manual on-site measurements. However, the manual work of getting on the station to measure worker parameter has high operation complexity, has higher requirement to the operating personnel, and causes the problem of raising the inefficiency.
Disclosure of Invention
The invention aims to provide a method and equipment for measuring a base station parameter, which can reduce the dependence on manpower and improve the working efficiency.
In order to achieve the above object, an embodiment of the present invention provides a method for measuring a base station parameter, which is applied to an unmanned aerial vehicle, and includes:
when flying around a target base station, receiving and measuring the signal strength of the target base station through an omnidirectional antenna on the unmanned flying equipment;
and acquiring the working parameters of the target base station according to the signal strength.
When flying around a target base station, receiving and measuring the signal strength of the target base station through an omnidirectional antenna on the unmanned flying equipment, wherein the method comprises the following steps:
on a measurement horizontal plane, taking a target base station as a circle center, respectively flying based on a plurality of radius values, testing in the flying process, and receiving and measuring the signal intensity of the target base station through the omnidirectional antenna; wherein the content of the first and second substances,
the measuring horizontal planes are M horizontal planes which are divided by preset distances along the direction perpendicular to the ground of the target base station.
Wherein, the worker parameter includes: working frequency band, working mode, azimuth angle and downward inclination angle;
obtaining the working parameters of the target base station according to the signal strength, comprising:
determining a target working frequency band and a target working system of the current signal based on the incidence relation between the signal intensity and the working frequency band and the working system;
and determining a target azimuth angle and a target downward inclination angle of the target base station based on the acquired signal intensity belonging to the same working frequency band under the same working system.
Wherein determining the target azimuth of the target base station comprises:
drawing a first signal intensity curve according to the signal intensity in the same horizontal plane and the coordinate axis of the horizontal directional diagram;
determining a corresponding measurement azimuth angle according to the first signal intensity curve;
and taking the measured azimuth angle with the largest occurrence number as a target direction angle.
Before determining the corresponding measurement azimuth angle according to the first signal strength curve, the method further comprises the following steps:
acquiring a second signal intensity curve of the preset azimuth angle of the target base station, wherein the second signal intensity curve is drawn according to a coordinate axis of a horizontal directional diagram;
and comparing the first signal intensity curve with the second signal intensity curve, and deleting the first signal intensity curve with the similarity smaller than a preset threshold value.
Wherein determining the target downtilt angle of the target base station comprises:
acquiring signal intensity in a direction perpendicular to the normal direction of the target base station;
determining the target signal intensity with the maximum signal intensity in the signal intensities;
and taking the downward inclination angle corresponding to the target signal intensity as a target downward inclination angle.
To achieve the above object, an embodiment of the present invention provides an unmanned aerial vehicle including a processor and a transceiver, wherein,
the transceiver is used for receiving and measuring the signal strength of a target base station through an omnidirectional antenna on the unmanned aerial device when flying around the target base station;
the processor is used for obtaining the working parameters of the target base station according to the signal strength.
The transceiver is further configured to fly on the measurement horizontal plane based on a plurality of radius values with the target base station as a circle center, perform a test during the flying process, and receive and measure the signal strength of the target base station through the omnidirectional antenna; wherein the content of the first and second substances,
the measuring horizontal planes are M horizontal planes which are divided by preset distances along the direction perpendicular to the ground of the target base station.
Wherein, the worker parameter includes: working frequency band, working mode, azimuth angle and downward inclination angle;
the processor is also used for determining a target working frequency band and a target working system of the current signal based on the incidence relation between the signal strength and the working frequency band and the working system; and determining a target azimuth angle and a target downward inclination angle of the target base station based on the acquired signal intensity belonging to the same working frequency band under the same working system.
The processor is further used for drawing a first signal intensity curve according to the signal intensity in the same horizontal plane and the coordinate axis of the horizontal directional diagram; determining a corresponding measurement azimuth angle according to the first signal intensity curve; and taking the measured azimuth angle with the largest occurrence number as a target direction angle.
The processor is further configured to obtain a second signal strength curve of the preset azimuth angle of the target base station, where the second signal strength curve is drawn according to a coordinate axis of a horizontal directional diagram; and comparing the first signal intensity curve with the second signal intensity curve, and deleting the first signal intensity curve with the similarity smaller than a preset threshold value.
The processor is further configured to obtain a signal strength in a direction perpendicular to a normal of the target base station; determining the target signal intensity with the maximum signal intensity in the signal intensities; and taking the downward inclination angle corresponding to the target signal intensity as a target downward inclination angle.
To achieve the above object, an embodiment of the present invention provides an unmanned aerial vehicle, including a transceiver, a memory, a processor, and a computer program stored on the memory and executable on the processor; the processor, when executing the computer program, implements the method for measuring the base station parameter as described above.
To achieve the above object, an embodiment of the present invention provides a computer-readable storage medium, on which a computer program is stored, where the computer program is executed by a processor to implement the steps in the method for measuring the parameters of the base station as described above.
The technical scheme of the invention has the following beneficial effects:
according to the method for measuring the working parameters of the base station, when the unmanned aerial device flies around the target base station, the signal intensity of the target base station is received and measured through the omnidirectional antenna on the unmanned aerial device, and then the working parameters of the target base station are obtained according to the obtained signal intensity.
Drawings
Fig. 1 is a flowchart of a method for measuring a base station parameter according to an embodiment of the present invention;
FIG. 2 is one of the schematic flight paths of the unmanned aerial vehicle;
FIG. 3 is a second schematic view of a flight path of the UAV;
fig. 4 is a second flowchart of a method for measuring a base station parameter according to an embodiment of the present invention;
fig. 5 is a third flowchart of a method for measuring a base station parameter according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of antenna downtilt;
FIG. 7 is a block diagram of an unmanned aerial vehicle according to an embodiment of the present invention;
fig. 8 is a block diagram of an unmanned aerial vehicle according to another embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, a method for measuring a base station parameter according to an embodiment of the present invention is applied to an unmanned aerial vehicle, and includes:
101, receiving and measuring the signal intensity of a target base station through an omnidirectional antenna on the unmanned aerial vehicle when flying around the target base station;
and 102, acquiring the working parameters of the target base station according to the signal strength.
Through the steps 101 and 102, the unmanned aerial vehicle flies around the target base station to be measured, when the unmanned aerial vehicle flies around the target base station, the signal intensity of the target base station is received and measured through the omnidirectional antenna on the unmanned aerial vehicle, and then the working parameters of the target base station are obtained according to the obtained signal intensity.
The omnidirectional antenna may be a part of the structure of the unmanned aerial vehicle, or may be mounted on a drive test terminal of the unmanned aerial vehicle.
In this embodiment, optionally, step 101 includes:
on a measurement horizontal plane, taking a target base station as a circle center, respectively flying based on a plurality of radius values, testing in the flying process, and receiving and measuring the signal intensity of the target base station through the omnidirectional antenna; wherein the content of the first and second substances,
the measuring horizontal planes are M horizontal planes which are divided by preset distances along the direction perpendicular to the ground of the target base station.
Here, M measurement levels are obtained by dividing by a preset distance in a direction perpendicular to the ground along the target base station according to the preset number M of measurement levels, for example, as shown in fig. 2, the preset distance is Δ h. And on the measuring horizontal plane, the target base station is taken as the circle center, the flying is carried out based on a plurality of radius values respectively, the testing is carried out in the flying process, and the signal intensity of the target base station is received and measured through the omnidirectional antenna.
Considering that the signal strength closer to the base station cannot be well represented to the distribution, and the signal strength farther from the base station is easily affected by interference, as shown in fig. 3, the flying radius R on the same measurement horizontal plane needs to satisfy a < R < B (A, B is a preset radius edge threshold). Specifically, the test is carried out by flying for a circle every d meters from the base station in the direction of the normal line of the base station between A meter and B meter and by taking 1 degree as a step. Therefore, assuming that N flight tests are performed on the same test level, N × 360 results are recorded, and after all the M measurement levels are tested, the total number of the recorded results is M × N × 360.
In addition, in the embodiment of the present invention, the association relationship between the signal strength and the working frequency band and the working format of the antenna is stored in advance in the unmanned aerial device, so optionally, the working parameter includes: working frequency band, working mode, azimuth angle and downward inclination angle;
as shown in fig. 4, step 102 includes:
Thus, in step 401, the signal strength obtained in step 101 can be analyzed based on the association relationship between the signal strength and the working frequency band and the working system to determine the signal strength belonging to the same working frequency band in the same working system, and then in step 402, the antenna azimuth angle and the downtilt angle are obtained for the signal strength in the same working frequency band in the same working system to determine the target azimuth angle and the target downtilt angle of the target base station.
Optionally, determining the target azimuth of the target base station includes:
drawing a first signal intensity curve according to the signal intensity in the same horizontal plane and the coordinate axis of the horizontal directional diagram;
determining a corresponding measurement azimuth angle according to the first signal intensity curve;
and taking the measured azimuth angle with the largest occurrence number as a target direction angle.
Here, the signal intensity of the same operating frequency band under one operating system is processed, and first, according to the signal intensity of the same horizontal plane, a first signal intensity curve is drawn according to the coordinate axis of the horizontal directional diagram, for example, M horizontal planes (also measuring horizontal planes) are used to obtain M first signal intensity curves; then, according to the drawn first signal intensity curve, a measurement azimuth corresponding to the first signal intensity curve can be determined, and M measurement azimuths can be obtained correspondingly; then, the measured azimuth angle that appears the most frequently can be taken as the target azimuth angle.
In addition, considering that there may be measurement azimuth angles having a larger difference from the actual azimuth angle, and the determination of the target azimuth angle is affected when there are a large number of measurement azimuth angles, on the basis of the above embodiment, before determining the corresponding measurement azimuth angle according to the first signal strength curve, the method further includes:
acquiring a second signal intensity curve of the preset azimuth angle of the target base station, wherein the second signal intensity curve is drawn according to a coordinate axis of a horizontal directional diagram;
and comparing the first signal intensity curve with the second signal intensity curve, and deleting the first signal intensity curve with the similarity smaller than a preset threshold value.
In this embodiment, the unmanned aerial vehicle may know a preset azimuth of the target base station, that is, a theoretical azimuth set by the target base station in advance, and accordingly may obtain a second signal intensity curve corresponding to the preset azimuth, and for comparison between the curves, the second signal intensity curve is also drawn according to a coordinate axis of the horizontal directional diagram. Then, the first signal intensity curve and the second signal intensity curve are compared, the first signal intensity curve with the similarity smaller than the preset threshold value can be deleted through the similarity of the first signal intensity curve and the second signal intensity curve, the first signal intensity curve with the larger error is deleted, and the influence of the measured direction angle determined by the curves on the determination of the target direction angle can be effectively avoided.
Of course, in the embodiment of the present invention, similar to the horizontal direction processing, a corresponding signal intensity curve may be drawn according to the coordinate axis of the vertical directional diagram in the vertical direction (perpendicular to the ground) according to the signal intensity in the same vertical plane, so as to determine the measurement azimuth angle, and finally, the measurement azimuth angle with the largest occurrence number is taken as the target direction angle. And, can also correspond to and preserve the azimuth angle, according to the signal strength curve that the coordinate axis of the horizontal directional diagram draws, get rid of measuring the larger one in the azimuth angle.
Optionally, as shown in fig. 5, determining the target downward inclination angle of the target base station includes:
and 503, taking the downward inclination angle corresponding to the target signal strength as a target downward inclination angle.
Here, in step 501-503, the signal strength in the direction perpendicular to the normal of the target base station is first obtained, and then the target signal strength with the largest signal strength is determined, so that the downtilt angle corresponding to the target signal strength is taken as the target downtilt angle.
As shown in fig. 6, for the antenna a 601 of the target base station, the signal strength in the direction perpendicular to the normal of the antenna a 601 is the maximum at the position of C point, and the corresponding downward inclination angle θ is the target downward inclination angle.
It should be noted that, in this embodiment, the measurement of the target base station is actually an operation parameter measurement for an antenna when the target base station includes a plurality of antennas, such as a target direction angle of the target base station, which is a target direction angle of each antenna included in the target base station.
In summary, the method for measuring the power parameters of the base station according to the embodiments of the present invention is applied to the unmanned aerial device, and when flying around the target base station, the signal strength of the target base station is received and measured by the omnidirectional antenna on the unmanned aerial device, and then the power parameters of the target base station are obtained from the obtained signal strength.
As shown in fig. 7, an unmanned aerial vehicle 700 of an embodiment of the invention includes a processor 710 and a transceiver 720, wherein,
the transceiver 720 is configured to receive and measure the signal strength of a target base station through an omnidirectional antenna on the unmanned aerial device while flying around the target base station;
the processor 710 is configured to obtain the operating parameters of the target base station according to the signal strength.
The transceiver 720 is further configured to fly based on a plurality of radius values on a measurement horizontal plane with the target base station as a circle center, perform a test during the flight, and receive and measure the signal strength of the target base station through the omnidirectional antenna; wherein the content of the first and second substances,
the measuring horizontal planes are M horizontal planes which are divided by preset distances along the direction perpendicular to the ground of the target base station.
Wherein, the worker parameter includes: working frequency band, working mode, azimuth angle and downward inclination angle;
the processor 710 is further configured to determine a target operating frequency band and a target operating system of the current signal based on an association relationship between the signal strength and the operating frequency band and the operating system; and determining a target azimuth angle and a target downward inclination angle of the target base station based on the acquired signal intensity belonging to the same working frequency band under the same working system.
The processor 710 is further configured to draw a first signal strength curve according to the signal strength in the same horizontal plane and according to a coordinate axis of a horizontal directional diagram; determining a corresponding measurement azimuth angle according to the first signal intensity curve; and taking the measured azimuth angle with the largest occurrence number as a target direction angle.
The processor 710 is further configured to obtain a second signal strength curve of the preset azimuth angle of the target base station, where the second signal strength curve is drawn according to a coordinate axis of a horizontal directional diagram; and comparing the first signal intensity curve with the second signal intensity curve, and deleting the first signal intensity curve with the similarity smaller than a preset threshold value.
Wherein the processor 710 is further configured to obtain a signal strength in a direction perpendicular to the normal of the target base station; determining the target signal intensity with the maximum signal intensity in the signal intensities; and taking the downward inclination angle corresponding to the target signal intensity as a target downward inclination angle.
When the unmanned aerial vehicle flies around the target base station, the signal intensity of the target base station is received and measured through the omnidirectional antenna on the unmanned aerial vehicle, and then the working parameter of the target base station is obtained through the obtained signal intensity.
It should be noted that the unmanned aerial vehicle is an unmanned aerial vehicle to which the above-mentioned method for measuring the base station parameter is applied, and the implementation manner of the embodiment of the above-mentioned method is applicable to the unmanned aerial vehicle and can achieve the same technical effect.
An unmanned aerial vehicle according to another embodiment of the present invention, as shown in fig. 8, includes a transceiver 810, a memory 820, a processor 800, and a computer program stored in the memory 820 and executable on the processor 800; the processor 800 implements the above-mentioned method for measuring the operating parameters of the base station when executing the computer program.
The transceiver 810 is used for receiving and transmitting data under the control of the processor 800.
Where in fig. 8, the bus architecture may include any number of interconnected buses and bridges, with various circuits being linked together, particularly one or more processors represented by processor 800 and memory represented by memory 820. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 810 may be a number of elements including a transmitter and a receiver that provide a means for communicating with various other apparatus over a transmission medium. The user interface 830 may also be an interface capable of interfacing with a desired device for different user devices, including but not limited to a keypad, a display, a speaker, a microphone, a joystick, etc.
The processor 800 is responsible for managing the bus architecture and general processing, and the memory 820 may store data used by the processor 800 in performing operations.
The computer-readable storage medium of the embodiment of the present invention stores a computer program thereon, and when the computer program is executed by a processor, the steps in the method for measuring a reference cell of a base station described above are implemented, and the same technical effect can be achieved. The computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
It should be further understood that the exemplary embodiments described above are described with reference to the drawings, and that many different forms and embodiments of the invention may be made without departing from the spirit and teachings of the invention, and that the invention is not to be construed as limited to the exemplary embodiments set forth herein. Rather, these exemplary embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In the drawings, the size and relative sizes of elements may be exaggerated for clarity. The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Unless otherwise indicated, a range of values, when stated, includes the upper and lower limits of the range and any subranges therebetween.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (14)
1. A method for measuring a base station parameter is applied to unmanned aerial equipment and is characterized by comprising the following steps:
when flying around a target base station, receiving and measuring the signal strength of the target base station through an omnidirectional antenna on the unmanned flying equipment;
and acquiring the working parameters of the target base station according to the signal strength.
2. The method of claim 1, wherein receiving and measuring a signal strength of a target base station while flying around the target base station via an omnidirectional antenna on the unmanned aerial device comprises:
on a measurement horizontal plane, taking a target base station as a circle center, respectively flying based on a plurality of radius values, testing in the flying process, and receiving and measuring the signal intensity of the target base station through the omnidirectional antenna; wherein the content of the first and second substances,
the measuring horizontal planes are M horizontal planes which are divided by preset distances along the direction perpendicular to the ground of the target base station.
3. The method of claim 1, wherein the process parameters comprise: working frequency band, working mode, azimuth angle and downward inclination angle;
obtaining the working parameters of the target base station according to the signal strength, comprising:
determining a target working frequency band and a target working system of the current signal based on the incidence relation between the signal intensity and the working frequency band and the working system;
and determining a target azimuth angle and a target downward inclination angle of the target base station based on the acquired signal intensity belonging to the same working frequency band under the same working system.
4. The method of claim 3, wherein determining the target azimuth of the target base station comprises:
drawing a first signal intensity curve according to the signal intensity in the same horizontal plane and the coordinate axis of the horizontal directional diagram;
determining a corresponding measurement azimuth angle according to the first signal intensity curve;
and taking the measured azimuth angle with the largest occurrence number as a target direction angle.
5. The method of claim 4, further comprising, prior to determining a corresponding measured azimuth angle from the first signal strength profile:
acquiring a second signal intensity curve of the preset azimuth angle of the target base station, wherein the second signal intensity curve is drawn according to a coordinate axis of a horizontal directional diagram;
and comparing the first signal intensity curve with the second signal intensity curve, and deleting the first signal intensity curve with the similarity smaller than a preset threshold value.
6. The method of claim 3, wherein determining the target downtilt angle of the target base station comprises:
acquiring signal intensity in a direction perpendicular to the normal direction of the target base station;
determining the target signal intensity with the maximum signal intensity in the signal intensities;
and taking the downward inclination angle corresponding to the target signal intensity as a target downward inclination angle.
7. An unmanned aerial vehicle comprising a processor and a transceiver, wherein,
the transceiver is used for receiving and measuring the signal strength of a target base station through an omnidirectional antenna on the unmanned aerial device when flying around the target base station;
the processor is used for obtaining the working parameters of the target base station according to the signal strength.
8. The unmanned aerial vehicle of claim 7, wherein the transceiver is further configured to fly on a measurement horizontal plane around the target base station based on a plurality of radius values, respectively, perform a test during the flight, and receive and measure the signal strength of the target base station through the omnidirectional antenna; wherein the content of the first and second substances,
the measuring horizontal planes are M horizontal planes which are divided by preset distances along the direction perpendicular to the ground of the target base station.
9. The unmanned aerial vehicle of claim 7, wherein the industrial parameter comprises: working frequency band, working mode, azimuth angle and downward inclination angle;
the processor is also used for determining a target working frequency band and a target working system of the current signal based on the incidence relation between the signal strength and the working frequency band and the working system; and determining a target azimuth angle and a target downward inclination angle of the target base station based on the acquired signal intensity belonging to the same working frequency band under the same working system.
10. The unmanned aerial vehicle of claim 9, wherein the processor is further configured to plot a first signal strength curve according to a horizontal directional diagram axis based on signal strengths at a same horizontal plane; determining a corresponding measurement azimuth angle according to the first signal intensity curve; and taking the measured azimuth angle with the largest occurrence number as a target direction angle.
11. The unmanned aerial vehicle of claim 10, wherein the processor is further configured to obtain a second signal strength curve for a predetermined azimuth angle of the target base station, wherein the second signal strength curve is plotted along a horizontal directional diagram axis; and comparing the first signal intensity curve with the second signal intensity curve, and deleting the first signal intensity curve with the similarity smaller than a preset threshold value.
12. The unmanned aerial vehicle of claim 9, wherein the processor is further configured to obtain a signal strength in a direction perpendicular to a normal to the target base station; determining the target signal intensity with the maximum signal intensity in the signal intensities; and taking the downward inclination angle corresponding to the target signal intensity as a target downward inclination angle.
13. An unmanned aerial device comprising a transceiver, a memory, a processor, and a computer program stored on the memory and executable on the processor; characterized in that the processor, when executing the computer program, implements the method for measuring the parameters of a base station according to any of claims 1 to 6.
14. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method for measuring a base station parameter according to any one of claims 1 to 6.
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Application publication date: 20200714 |