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WO2019079959A1 - Procédé de localisation de source d'interférence pour station de base, véhicule aérien sans pilote et support de stockage lisible par ordinateur - Google Patents

Procédé de localisation de source d'interférence pour station de base, véhicule aérien sans pilote et support de stockage lisible par ordinateur

Info

Publication number
WO2019079959A1
WO2019079959A1 PCT/CN2017/107439 CN2017107439W WO2019079959A1 WO 2019079959 A1 WO2019079959 A1 WO 2019079959A1 CN 2017107439 W CN2017107439 W CN 2017107439W WO 2019079959 A1 WO2019079959 A1 WO 2019079959A1
Authority
WO
WIPO (PCT)
Prior art keywords
interference source
drone
base station
route
interference
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2017/107439
Other languages
English (en)
Chinese (zh)
Inventor
陈志成
陈廷忠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongrui Communication Planning&designing Co Ltd
SZ DJI Technology Co Ltd
Original Assignee
Zhongrui Communication Planning&designing Co Ltd
SZ DJI Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhongrui Communication Planning&designing Co Ltd, SZ DJI Technology Co Ltd filed Critical Zhongrui Communication Planning&designing Co Ltd
Priority to PCT/CN2017/107439 priority Critical patent/WO2019079959A1/fr
Priority to CN201780035853.0A priority patent/CN109314868B/zh
Publication of WO2019079959A1 publication Critical patent/WO2019079959A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • 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

Definitions

  • the present invention relates to the field of communications, and in particular, to a method for locating an interference source of a base station, a drone, and a computer readable storage medium.
  • the existing interference source location method of the base station is mainly performed by the tester using the handheld device to perform preliminary investigation on the ground, locking the open area, and then going to the building suspected of interference source for investigation.
  • the location of the base station interference source is usually hidden or on the roof, and the interference signal environment is diverse and complex. Therefore, the success rate of the interference source is low by using the positioning method, and the manpower is used for the troubleshooting operation.
  • Embodiments of the present invention provide an interference source localization method for a base station, a drone, and a computer readable storage medium.
  • the method for locating an interference source of a base station may be implemented by a drone, where the unmanned aerial vehicle is equipped with an interference source locating device, and the method for locating the interference source of the base station includes:
  • the interference source positioning device Acquiring the interference source positioning device to acquire interference source signal information of at least one location point that is passed during the driving of the drone;
  • the interference source signal information is processed to determine the location of the interference source.
  • the unmanned aerial vehicle of the embodiment of the present invention is used to locate an interference source of a base station.
  • the drone is equipped with an interference source positioning device, and the drone includes a flight controller, a communication module, and a processor.
  • the flight controller is configured to control the drone to travel in a target area according to a predetermined trajectory.
  • the communication module is configured to acquire the interference source signal information of the at least one location point that is passed during the driving of the drone.
  • the processor is configured to process the interference source signal information to determine a location of the interference source.
  • a computer readable storage medium in accordance with an embodiment of the present invention includes a computer program for use with a drone that is executable by a processor to perform the above described interference source location method for a base station.
  • the interference source localization method, the drone and the computer readable storage medium of the base station use the unmanned aerial vehicle to perform interference source location of the base station, which can quickly lock the area where the interference source is located, can simplify the positioning process of the interference source, and improve the troubleshooting. The efficiency is effective and the safety of testers is guaranteed.
  • the data of the interference source positioning device is processed by the processor, and the position of the interference source can be intelligently analyzed, which further simplifies the operation of the tester.
  • FIG. 1 is a schematic flowchart of a method for locating an interference source of a base station according to some embodiments of the present invention.
  • FIG. 2 is a block diagram of a drone, an interference source locating device, and a control end according to some embodiments of the present invention.
  • FIG. 3 is a schematic flowchart of a method for locating an interference source of a base station according to some embodiments of the present invention.
  • FIG. 4 is a schematic diagram of a scenario of an interference source location method of a base station according to some embodiments of the present invention.
  • FIG. 5 is a schematic flowchart of a method for locating an interference source of a base station according to some embodiments of the present invention.
  • FIG. 6 is a schematic flowchart of a method for locating an interference source of a base station according to some embodiments of the present invention.
  • FIG. 7 is a schematic diagram of a scenario of an interference source location method of a base station according to some embodiments of the present invention.
  • FIG. 8 is a schematic flowchart of a method for locating an interference source of a base station according to some embodiments of the present invention.
  • the present invention provides an interference source localization method for a base station, and the interference source localization method of the base station can be implemented by the drone 100.
  • the drone 100 is equipped with an interference source positioning device 200.
  • the method for locating the interference source of the base station includes:
  • S16 Processing the interference source signal information to determine the location of the interference source.
  • the present invention provides an interference source for the drone 100 to locate a base station.
  • the drone 100 is equipped with an interference source positioning device 200.
  • the drone 100 includes a flight controller 10, a communication module 20, and a processor 30.
  • Step S12 can be implemented by flight controller 10
  • step S14 can be implemented by communication module 20
  • step S16 can be implemented by processor 30.
  • the flight controller 10 can be used to control the drone 100 to travel in the target area in accordance with a predetermined trajectory.
  • the communication module 20 can be configured to acquire at least one bit that is passed during the driving of the drone 100 acquired by the interference source positioning device 200. Set the interference source signal information.
  • the processor 30 can be configured to process the interfered source signal information to determine the location of the interferer.
  • the interference source signal information includes a signal strength and a vector direction of the interference source signal.
  • the interference source locating device 200 includes a detection module that detects the strength of the interference source signal.
  • the directional antenna provided in the interference source locating device 200 can be used to detect the vector direction of the interference source signal.
  • the interference source locating device 200 has a positioning module. Specifically, the interference source locating device 200 can scan each frequency point in the spectrum range according to a preset spectrum range to obtain the signal strength of each frequency point and the vector direction of the signal of each frequency point, and obtain the The current GPS coordinate information of the human machine 100, and the signal strength, vector direction and corresponding GPS coordinate information of the signals at each frequency point are sent to the drone 100, and the drone 100 processes the above information to locate the interference source. position.
  • the current GPS coordinate information of the drone 100 can also be acquired by the sensor (such as GPS, BDS, GLONESS, etc.) provided by the drone 100, and the sensor obtains the GPS coordinate information and sends it to the drone 100.
  • Processor 30 After acquiring the intensity and vector direction of the interference source signal, the interference source positioning device 200 transmits the intensity and vector direction of the interference source signal to the communication module 20 of the drone 100, and is forwarded by the communication module 20 to the processor 30, and the processor 30 Corresponding to the intensity and vector direction of each interference source signal and the GPS coordinate information acquired by the self-contained sensor, and processing the intensity, vector direction and corresponding GPS coordinate information of the multiple interference source signals to obtain the interference source position.
  • the interference source signal information detected by the interference source localization device 200 can communicate with the drone 100 by means of a wired or wireless transmission communication.
  • the interference source location device 200 can communicate with the drone 100 via WiFi.
  • the interference source locating device 200 can also communicate with the drone 100 through short-range wireless communication methods such as Bluetooth and Zigbee.
  • the interference source location method of the existing base station is usually checked by the tester using the handheld device.
  • the location of the base station interference source installation is relatively concealed, and the interference signal environment is diverse and complex. Therefore, the success rate of the interference source is low and takes a long time.
  • the interference source localization method of the base station can be positioned by the unmanned aerial vehicle 100 equipped with the interference source localization device 200, and the unmanned aerial vehicle 100 equipped with the interference source localization device 200 is located in the target area, and the interference source is located.
  • the device 200 can detect the interference source signal information of one or more location points, and the processor 30 can determine the location of the interference source according to the interference source signal information.
  • the use of the unmanned aerial vehicle 100 for the interference source location of the base station can quickly lock the area where the interference source is located, simplify the positioning process of the interference source, improve the efficiency of the inspection, and effectively ensure the safety of the tester.
  • the data of the interference source locating device 200 is processed by the processor 30, and the position of the locked interference source can be intelligently analyzed, which further simplifies the operation of the tester.
  • the method for locating an interference source of a base station further includes:
  • S111 Acquire an interference region determined according to monitoring data of the base station.
  • S112 Determine the target area according to the interference area and the life time of the drone 100.
  • both step S111 and step S112 can be implemented by processor 30. That is to say, the processor 30 can also be used to acquire the interference area determined according to the monitoring data of the base station, and determine the target area according to the interference area and the life time of the drone 100.
  • the interference signal code power can be used to detect whether the uplink path of the base station is normal, and the power of the interference code signal is the monitoring data.
  • the existing base station mostly covers three sectors, and by monitoring the power of the interference code signal, the interference sector can be determined from the three sectors, and the interference intensity of the interfered sector can be determined to determine the interference. region.
  • the information of the interference area can be input by the user into the control terminal 300 communicating with the drone 100, and sent by the control terminal 300 to the drone 100.
  • the communication module 20 of the drone 100 receives the information of the interference area, and the processor 30 reads After taking the information of the interference area, the target area to be driven by the drone 100 is determined according to the interference area and the life time of the drone 100.
  • the target area may also be determined by an external device, for example, a laptop, a mobile phone, a tablet, etc., with software for calculating the function of the target area according to the interference area and the endurance time, and the information of the target area is sent by the external device to
  • the control terminal 300 forwards the information of the target area to the drone 100, and the communication module 20 of the drone 100 receives the data and transmits it to the processor 30.
  • the external device and the control terminal 300 can perform data transmission through a wired connection communication method (for example, a data line).
  • the target area is determined according to both the interference area obtained by the monitoring data of the base station and the battery life of the drone 100.
  • the efficiency of the interference source positioning can be improved, and on the other hand, the target area can be prevented from being too large and the drone can be avoided.
  • the interruption of the interference area caused by the limited duration of 100 is interrupted, even the drone 100 crashes.
  • the predetermined trajectory that the drone 100 travels includes an "S" type trajectory.
  • the "S" type track includes at least one first route and at least one second route. The length of the first route is greater than the length of the second route, and the drone 100 traverses the target area when all of the first route and all of the second route are traveled by the drone 100.
  • a rectangular frame indicates a target area having a length L and a width W.
  • Divide the length of the target area into n (n is a positive integer greater than or equal to 2) segments, each of which is The width of the target area is divided into small segments of m (m is a positive integer greater than or equal to 2), and the length of each segment is
  • the length of each first route is The length of each second route is Then the total length of the plurality of first routes is The total length of the multiple second routes is
  • the drone 100 must travel through all of the first route and the second route, that is, the total distance that the drone 100 needs to travel is In this manner, the drone 100 traverses the entire target area, and can acquire a plurality of interference source signal information during the traversal of the target area, and the processor 30 can process the plurality of interference source signal information to perform interference source positioning.
  • step S12 controls the drone 100 to travel in the target area according to a predetermined trajectory, including:
  • S121 controlling the drone 100 to travel along the first route and the second route.
  • Step S14 acquiring the interference source signal information of the at least one location point that the unmanned aerial vehicle 100 acquired during the driving process by the interference source positioning device 200 includes:
  • S141 Acquire at least one of the interference source signal information of the hovering position point of the UAV 100 acquired by the interference source positioning device 200 when the UAV 100 is hovering and rotating.
  • step S121 and step S122 may be implemented by the flight controller 10
  • step S141 may be implemented by the communication module 20.
  • the flight controller 10 can be further used to control the drone 100 to travel along the first route and the second route, and to control the drone every predetermined interval when the drone 100 travels along the first route. 100 hover and rotate.
  • the communication module 20 is configured to acquire at least one of the interference source signal information of the drone location point of the UAV 100 acquired by the interference source positioning device 200 when the UAV 100 hoveres and rotates.
  • the drone 100 starts traveling from one end of the first first route as a starting point.
  • the first route is divided into segments a, and the length of each segment is That is to say, the length of the predetermined distance is
  • the drone 100 starts from the starting point along the first route, every time it travels The distance is hovering and spinning.
  • the interference source positioning device 200 mounted on the drone 100 acquires the interference source signal information in each direction, and transmits the acquired plurality of interference source signal information to the drone 100.
  • the drone 100 can acquire a plurality of interference source signal information for positioning of the interference source.
  • only the hovering position point is set on the first route, that is, the drone 100 only performs the hovering and rotating action when driving on the first route, in the second There is no hovering or spinning action on the route.
  • the second route is located at the edge position of the target area, and the intensity of the interference source signal may be weak at the edge position. If the interference source signal is detected at the edge position, the interference signal may be weak due to the weak intensity of the interference source signal.
  • the positioning of the source does not play a large role, and the amount of data that the processor 30 needs to process is also increased.
  • the first route is generally located in the middle area of the target area, and the intensity of the interference source signal obtained by detecting the interference source signal on the first route is strong. More favorable to the positioning of the interference source.
  • the drone 100 can perform hovering and rotation actions during the process of the first route and the second route to obtain more interference source signal information, which is not limited herein.
  • the angle of rotation of the drone 100 is an integer multiple of 360°. That is to say, the angle of rotation of the drone 100 can be 0°, 360°, 720°, and the like. Preferably, the angle of rotation of the drone 100 is 360°. It can be understood that, on the one hand, the drone 100 returns to the state before the rotation action after the rotation of the drone 100, so that the drone 100 can continue to travel along the first route without adjusting its own driving posture; 100 rotation 360° can traverse all directions, so that the interference source positioning device 200 can acquire the interference source signals in various directions, which is beneficial to improving the accuracy of the interference source positioning and avoiding the interference source obtained when the drone angle of the drone 100 is 0°.
  • the interference signal source positioning caused by less signal information is not accurate enough, and the excessive amount of interference source signal information acquired when the rotation angle is 720° causes the problem that the amount of data that the processor 30 needs to process is too large.
  • the processing of the interferer signal information to determine the location of the interference source in step S16 includes:
  • S161 selecting a vector direction corresponding to the interference source signal when the signal strength of the interference source signal at each position point is the strongest as the target vector direction;
  • S162 Determine the location of the interference source according to the direction of the target vector at the plurality of location points.
  • both step S161 and step S162 can be implemented by processor 30. That is to say, the processor 30 can be further configured to select a vector direction corresponding to the interference source signal when the signal strength of the interference source signal is strong at each position point as the target vector direction, and determine the target vector direction according to the plurality of position points. The location of the source of interference.
  • the undisturbed source signal at the hovering position can be obtained according to the interference source signal information sent by the interference source positioning device 200.
  • the signal strength and vector direction the drone 100 selects the interference source signal with the largest signal strength from the plurality of interference source signals, and uses the vector direction corresponding to the interference source signal with the largest signal strength as the target vector direction of the position point. After the drone 100 traverses the entire target area, multiple target vector directions are obtained, and each target vector direction corresponds to one position point. Thus, as shown in FIG. 7, the position of the interference source can be determined based on the intersection of all the target vector directions.
  • the control terminal 300 includes a display screen 310.
  • the method for locating an interference source of a base station according to an embodiment of the present invention further includes:
  • the drone 100 is controlled to transmit the target vector direction and signal strength of the interference source signal at each location point to the control terminal 300, so that the control terminal 300 displays the interference source location map on the display screen 310.
  • step S18 can be implemented by communication module 20. That is to say, the communication module 20 can also The target vector direction and signal strength of the interference source signal at each location point are transmitted to the control terminal 300 to cause the control terminal 300 to display the interference source location map on the display screen 310.
  • the interference source locating device 200 transmits the acquired interference source signal information and GPS coordinate information corresponding to each interference source signal information to the drone 100, and then forwards it to the control terminal by the drone 100. 300.
  • the control terminal 300 receives the interference source signal information and its corresponding GPS coordinate information, and the control terminal 300 processes the information, and displays the processed result (ie, the interference source location map) on the display screen 310.
  • the content displayed on the display screen 310 includes the acquisition position of each interference source signal information, the interference source signal of the drone 100 at each hovering position point, the target appropriate amount direction, and the interference source corresponding to the target vector direction. The signal strength of the signal and the location of the predicted interferer.
  • the direction of the target vector can be displayed by an arrow;
  • the signal strength of the interference source signal corresponding to the direction of the target vector can be represented by the length of the line, the longer the line length, the greater the signal strength, the shorter the line length, and the smaller the signal strength; or It is also possible to indicate the specific value of the interference source signal strength at the arrow indicating the direction of the target vector, thereby facilitating the tester to view and analyze.
  • the control terminal 300 may not have the display screen 310, and the control terminal 300 is communicatively coupled to the external device to display the interference source location map by means of the display on the external device.
  • the interference source locating device 200 transmits the acquired interference source signal information and GPS coordinate information corresponding to each interference source signal information to the drone 100, and is forwarded by the drone 100 to the control terminal 300, and then by the control terminal. 300 forwarded to an external device.
  • the external device processes the above information, and displays the processed result (ie, the interference source location map) on the display.
  • the external device may be a laptop, a tablet, a mobile phone, or the like.
  • the external device and the control terminal 300 can perform data transmission by means of a wired connection communication method (for example, a data line).
  • a computer readable storage medium in accordance with an embodiment of the present invention includes a computer program for use with the drone 100.
  • the computer program can be executed by the processor 30 to perform the interference source localization method of the base station according to any of the above embodiments.
  • a computer program can be executed by processor 30 to perform an interference source location method for a base station as described in the following steps:
  • the interfered source signal information is processed to determine the location of the interferer.
  • the computer program can be executed by the processor 30 to perform the interference source localization method of the base station as described in the following steps:
  • the target area is determined based on the interference area and the life time of the drone 100.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” or “second” may include at least one of the features, either explicitly or implicitly.
  • the meaning of "a plurality” is at least two, such as two, three, etc., unless specifically defined otherwise.
  • a "computer-readable medium” can be any apparatus that can contain, store, communicate, propagate, or transport a program for use in an instruction execution system, apparatus, or device, or in conjunction with the instruction execution system, apparatus, or device.
  • computer readable media include the following: electrical connections (electronic devices) having one or more wires, portable computer disk cartridges (magnetic devices), random access memory (RAM), Read only memory (ROM), erasable editable read only memory (EPROM or flash memory), fiber optic devices, and portable compact disk read only memory (CDROM).
  • the computer readable medium may even be a paper or other suitable medium on which the program can be printed, as it may be optically scanned, for example by paper or other medium, followed by editing, interpretation or, if appropriate, other suitable The method is processed to obtain the program electronically and then stored in computer memory.
  • portions of the invention may be implemented in hardware, software, firmware or a combination thereof.
  • a plurality of steps or methods may be implemented by software stored in a memory and executed by a suitable instruction execution system or Firmware to achieve.
  • a suitable instruction execution system or Firmware to achieve.
  • it can be implemented by any one or combination of the following techniques well known in the art: having logic gates for implementing logic functions on data signals. Discrete logic circuits, application specific integrated circuits with suitable combinational logic gates, programmable gate arrays (PGAs), field programmable gate arrays (FPGAs), etc.
  • each functional unit in each embodiment of the present invention may be integrated into one processing module, or each unit may exist physically separately, or two or more units may be integrated into one module.
  • the above integrated modules can be implemented in the form of hardware or in the form of software functional modules.
  • the integrated modules, if implemented in the form of software functional modules and sold or used as stand-alone products, may also be stored in a computer readable storage medium.
  • the above mentioned storage medium may be a read only memory, a magnetic disk or an optical disk or the like.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)

Abstract

L'invention concerne un procédé de localisation de source d'interférence destiné à une station de base. Le procédé de localisation de source d'interférence pour station de base peut être mis en œuvre par un véhicule aérien sans pilote (100), le véhicule aérien sans pilote (100) étant chargé d'un dispositif de localisation de source d'interférence (200). Le procédé de localisation de source d'interférence pour station de base consiste : à commander le véhicule aérien sans pilote (100), de telle sorte qu'il se déplace dans une zone cible en fonction d'une trajectoire prédéterminée; à acquérir des informations de signal de source d'interférence d'au moins un point de localisation, par lequel passe le véhicule aérien sans pilote (100), acquis par le dispositif de localisation de source d'interférence (200); à traiter les informations de signal de source d'interférence pour déterminer la position de la source d'interférence. L'invention concerne également un véhicule aérien sans pilote et un support de stockage lisible par ordinateur.
PCT/CN2017/107439 2017-10-24 2017-10-24 Procédé de localisation de source d'interférence pour station de base, véhicule aérien sans pilote et support de stockage lisible par ordinateur Ceased WO2019079959A1 (fr)

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PCT/CN2017/107439 WO2019079959A1 (fr) 2017-10-24 2017-10-24 Procédé de localisation de source d'interférence pour station de base, véhicule aérien sans pilote et support de stockage lisible par ordinateur
CN201780035853.0A CN109314868B (zh) 2017-10-24 2017-10-24 基站的干扰源定位方法、无人机和计算机可读存储介质

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PCT/CN2017/107439 WO2019079959A1 (fr) 2017-10-24 2017-10-24 Procédé de localisation de source d'interférence pour station de base, véhicule aérien sans pilote et support de stockage lisible par ordinateur

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