CN112835382A - 5G base station test system based on unmanned aerial vehicle - Google Patents
5G base station test system based on unmanned aerial vehicle Download PDFInfo
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- CN112835382A CN112835382A CN202011636738.9A CN202011636738A CN112835382A CN 112835382 A CN112835382 A CN 112835382A CN 202011636738 A CN202011636738 A CN 202011636738A CN 112835382 A CN112835382 A CN 112835382A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course or altitude of land, water, air, or space vehicles, e.g. automatic pilot
- G05D1/10—Simultaneous control of position or course in three dimensions
- G05D1/101—Simultaneous control of position or course in three dimensions specially adapted for aircraft
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- H—ELECTRICITY
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Abstract
The invention discloses a 5G base station test system based on an unmanned aerial vehicle, which comprises an unmanned aerial vehicle body, an unmanned aerial vehicle controller, a ground station, a GPS module, a signal receiving assembly and a signal processing assembly, wherein the unmanned aerial vehicle controller is connected with the ground station through a wireless network; the ground is combined with the position information, the historical detour path and the test task of the target signal tower to generate a plurality of test paths which are used as flight paths corresponding to the test task, and then the unmanned aerial vehicle body is automatically controlled to fly along the plurality of test paths one by one; in the flight process, the ground station starts the signal receiving assembly and the signal processing assembly, the signal receiver continuously receives a test signal sent by the target signal tower, the test signal is sent to the signal processing assembly and is transmitted back to the ground station after being processed by the signal processing assembly, and the ground station calls test data processing software to process the test data to obtain a test result. The invention can realize the detection of the signal intensity of the 5G base station in each direction under high altitude or other complex terrains.
Description
Technical Field
The invention relates to the technical field of 5G base station testing, in particular to a 5G base station testing system based on an unmanned aerial vehicle.
Background
At present, the communication industry develops particularly rapidly, people have higher requirements on mobile communication, and 5G mobile communication technologies can meet the expectations because of higher speed, particularly large capacity and higher reliability. The main technology of 5G mobile communication is massive MIMO active antenna technology, which can maximize the spectrum utilization efficiency by utilizing the space well, and the communication system content and the communication rate are higher than before by making full use of the new coding technology. Therefore, the technology will be the key point of future mobile signal development, and the problem of how to test the 5G signal exists.
For a conventional base station, an antenna and an RRU (Radio Remote unit) are separated from each other, and they are connected by a Radio frequency line, and are relatively independent, and their performances do not interfere with each other, and can be separated for individual testing or inspection. The radiation performance of the antenna can be generally completed by far-field or near-field testing in a microwave darkroom, and the far-field or near-field testing of the passive antenna is a mature testing method widely adopted for testing the performance of the antenna at present.
However, in practical tests, it can be found that, as for a 5G base station antenna, the antenna and the RRU are integrated together, and on one hand, interference factors such as electromagnetic coupling and active standing waves cannot be completely eliminated; on the other hand, the calibration and amplitude-phase weighting of the active antenna are completed through the cooperation of a series of active devices on each radio frequency channel, and the mode of amplitude-phase weighting of the passive antenna array through a passive power division network is greatly different from that of the passive antenna array. The conventional test method cannot meet the performance test of the 5G base station.
The current 5G base station antenna OTA test is divided into a far field test and a near field test, and different test schemes can cause the difference of test results. However, as the distribution area of the 5G base station is wider and the surrounding terrain is more complex, the two test schemes have the problems that the test equipment is difficult to install and the signals are difficult to detect in all directions due to the variability and complexity of the terrain at the installation position.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a 5G base station test system based on an unmanned aerial vehicle, which can detect the signal intensity of the 5G base station in each direction at high altitude or other complex terrains; the problem that signals are difficult to detect in all directions due to the variability and complexity of landforms at installation positions after the 5G base station is installed is solved, the later maintenance cost is reduced, and the base station detection speed is improved; in addition, the technical requirements on testing personnel are reduced, and the workload of the personnel is reduced.
In order to achieve the purpose, the invention adopts the following technical scheme:
A5G base station test system based on an unmanned aerial vehicle comprises an unmanned aerial vehicle body, an unmanned aerial vehicle controller, a ground station, a GPS module, a signal receiving assembly and a signal processing assembly;
the GPS module is embedded in the unmanned aerial vehicle body, is connected with the unmanned aerial vehicle controller and is used for positioning the position of the unmanned aerial vehicle body in real time;
the ground station is connected with the unmanned aerial vehicle controller, and unmanned aerial vehicle route planning software and test data processing software are installed in the ground station; the unmanned aerial vehicle route planning software is used for receiving externally input target signal tower information and corresponding test tasks, generating a plurality of test paths by combining position information or historical detour paths of a target signal tower, and using the test paths as flight paths corresponding to the test tasks; the ground station sends the generated flight paths to the unmanned aerial vehicle controller, and the unmanned aerial vehicle controller automatically controls the unmanned aerial vehicle body to fly along a plurality of test paths one by one;
in the flight process, the ground station starts the signal receiving assembly and the signal processing assembly, the signal receiver continuously receives a test signal sent by the target signal tower, the test signal is sent to the signal processing assembly and is transmitted back to the ground station after being processed by the signal processing assembly, and the ground station calls test data processing software to process the test data to obtain a test result.
In order to optimize the technical scheme, the specific measures adopted further comprise:
furthermore, the ground station also comprises a touch integrated display device which is used for inputting external information and displaying the working state, the test data and the test result of each structural part of the test system.
Further, the signal receiving assembly includes at least one pair of receive signal antennas.
Further, the historical bypass path comprises a historical test path.
Further, the method for acquiring the historical detour path comprises the following steps:
the starting point of the unmanned aerial vehicle is set as the starting point, the unmanned aerial vehicle is controlled to fly at least one circle around the target signal tower, and the path of the surrounding flight is recorded as a historical detour path.
Further, the process of generating a plurality of test paths by combining the position information or the historical detour path of the target signal tower includes the following steps:
and generating a plurality of test paths according to various parameters including the detection direction and the distance by inputting the position of the target signal tower.
The invention has the beneficial effects that:
(1) the invention adopts the mode that the unmanned aerial vehicle carries the receiving equipment, can realize the invisible complex terrain, and can simply and quickly detect the performance of the high-altitude base station. And provides a feasible test scheme for the follow-up periodic inspection and maintenance of the base station
(2) The invention adopts a one-key detection mode, the coordinates of the base station are input into the ground station, the flight path is selected, the unmanned aerial vehicle automatically flies around the ground station, and the signal of the signal tower is continuously received.
(3) The image shows the signal of each position of the signal tower, so that whether a problem exists or not can be quickly and accurately positioned, and if the problem exists, the problem position can be quickly positioned.
Drawings
Fig. 1 is a schematic structural diagram of a 5G base station test system based on an unmanned aerial vehicle according to the present invention.
Fig. 2 is a schematic diagram of a drone around an antenna.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings.
It should be noted that the terms "upper", "lower", "left", "right", "front", "back", etc. used in the present invention are for clarity of description only, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not limited by the technical contents of the essential changes.
With reference to fig. 1, the invention provides a 5G base station test system based on an unmanned aerial vehicle, which includes an unmanned aerial vehicle body, an unmanned aerial vehicle controller, a ground station, a GPS module, a signal receiving component and a signal processing component.
The GPS module is embedded in the unmanned aerial vehicle body and connected with the unmanned aerial vehicle controller, and is used for positioning the position of the unmanned aerial vehicle body in real time.
The ground station is connected with the unmanned aerial vehicle controller, and unmanned aerial vehicle route planning software and test data processing software are installed in the ground station; the unmanned aerial vehicle route planning software is used for receiving externally input target signal tower information and corresponding test tasks, generating a plurality of test paths by combining position information or historical detour paths of a target signal tower, and using the test paths as flight paths corresponding to the test tasks; the ground station sends the flight path that generates for unmanned aerial vehicle controller, follows many test path flights by unmanned aerial vehicle controller automatic control unmanned aerial vehicle body one by one.
In the flight process, the ground station starts the signal receiving assembly and the signal processing assembly, the signal receiver continuously receives a test signal sent by the target signal tower, the test signal is sent to the signal processing assembly and is transmitted back to the ground station after being processed by the signal processing assembly, and the ground station calls test data processing software to process the test data to obtain a test result.
At first confirm the position of 5G basic station, plan the flight path through the ground station, give unmanned aerial vehicle then and assign flight instruction, order about unmanned aerial vehicle along the flight path flight of planning, the route accuracy can be ensured to the embedded GPS module of unmanned aerial vehicle, realizes detecting the formula of enclosing of basic station.
And the signal receiving component is connected with the signal processing component, and in the flight process, the signal receiver continuously receives the signals of the 5G base station, processes and stores the test signals sent by the 5G base station in real time, and finally transmits the test signals to the ground station.
And unmanned aerial vehicle path planning software and test data processing software are integrated in the ground station equipment. And the unmanned aerial vehicle path planning software receives the position of a target signal tower input from the outside and automatically plans a test path by combining a test task. And the unmanned aerial vehicle control end of the ground station controls the unmanned aerial vehicle to autonomously carry out detection tasks around the signal tower, and detection data are obtained. The test data processing software is used for receiving, processing and displaying the processing result of the detection data in sequence, for example, imaging the collected signal data, so that places with poor signals are obviously tested. In order to improve the software operation efficiency, the unmanned aerial vehicle control software and the signal processing software can be separated from each other and synchronously operated on different devices according to the situation.
It should be understood that the foregoing method can conveniently test whether the performance of the signal tower is qualified or not whether the signal tower is installed at the 5G signal base station or after the 5G signal base station is installed, or can conveniently find the problem of the base station in the regular maintenance.
Preferably, the ground station further comprises a touch integrated display device for inputting external information and displaying the working state, test data and test results of each structural component of the test system.
The following are specific examples of the present invention: firstly, erecting ground station equipment beside a base station, then positioning the base station, starting the unmanned aerial vehicle, setting a flying point as a starting point when the unmanned aerial vehicle takes off, inputting the relative position of the base station into the ground station, and planning a route by the ground station (or taking off by a professional flyer from the flying point, flying around the base station quickly, recording a path by an airplane and returning the path to the ground station, and planning a test path for many times by taking the ground station as the path). As shown in fig. 2, since the signals of the 5G antenna are transmitted in all directions, no one carries one or more pairs of receiving signal antennas, and when surrounding the 5G base station, the signal receiving component is turned on to continuously receive the 5G signal, and the signal is processed by the signal processing component and then stored.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may be made by those skilled in the art without departing from the principle of the invention.
Claims (6)
1. A5G base station test system based on an unmanned aerial vehicle is characterized by comprising an unmanned aerial vehicle body, an unmanned aerial vehicle controller, a ground station, a GPS module, a signal receiving assembly and a signal processing assembly;
the GPS module is embedded in the unmanned aerial vehicle body, is connected with the unmanned aerial vehicle controller and is used for positioning the position of the unmanned aerial vehicle body in real time;
the ground station is connected with the unmanned aerial vehicle controller, and unmanned aerial vehicle route planning software and test data processing software are installed in the ground station; the unmanned aerial vehicle route planning software is used for receiving externally input target signal tower information and corresponding test tasks, generating a plurality of test paths by combining position information or historical detour paths of a target signal tower, and using the test paths as flight paths corresponding to the test tasks; the ground station sends the generated flight paths to the unmanned aerial vehicle controller, and the unmanned aerial vehicle controller automatically controls the unmanned aerial vehicle body to fly along a plurality of test paths one by one;
in the flight process, the ground station starts the signal receiving assembly and the signal processing assembly, the signal receiver continuously receives a test signal sent by the target signal tower, the test signal is sent to the signal processing assembly and is transmitted back to the ground station after being processed by the signal processing assembly, and the ground station calls test data processing software to process the test data to obtain a test result.
2. The unmanned aerial vehicle-based 5G base station test system of claim 1, wherein the ground station further comprises a touch-control integrated display device for inputting external information and displaying the working state, test data and test results of each structural component of the test system.
3. The drone-based 5G base station test system of claim 1, wherein the signal reception component includes at least one pair of receive signal antennas.
4. The drone-based 5G base station test system of claim 1, wherein the historical detour path comprises a historical test path.
5. The unmanned aerial vehicle-based 5G base station test system of claim 1, wherein the historical detour path acquisition method comprises:
the starting point of the unmanned aerial vehicle is set as the starting point, the unmanned aerial vehicle is controlled to fly at least one circle around the target signal tower, and the path of the surrounding flight is recorded as a historical detour path.
6. The drone-based 5G base station test system of claim 1, wherein the process of generating a plurality of test paths in conjunction with the location information of the target signal tower or the historical detour path comprises the steps of:
and generating a plurality of test paths according to various parameters including the detection direction and the distance by inputting the position of the target signal tower.
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Cited By (1)
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| CN115150008A (en) * | 2022-06-21 | 2022-10-04 | 北京中测国宇科技有限公司 | Outfield base station antenna pattern and radio frequency test system and method based on unmanned aerial vehicle |
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