Unmanned aerial vehicle airborne phased array antenna adaptive adjustment method and airborne terminal

Abstract

The application provides a kind of unmanned aerial vehicle airborne phased array antenna adaptive adjustment method, airborne terminal, equipment and medium, it is related to unmanned aerial vehicle technical field, wherein the method comprises: airborne terminal real-time acquisition current network reference signal received power and signal-to-noise ratio;In response to the reference signal received power is higher than or equal to preset threshold value, and the signal-to-noise ratio is lower than preset ideal value, through the beam scanning antenna built-in in airborne terminal, ground-to-air base station transmitting end antenna array beam information is automatically scanned;And, based on the ground-to-air base station transmitting end antenna array beam information adjustment airborne receiving end antenna array beam maximum direction, so that it is aligned with ground-to-air base station transmitting end antenna array beam.The technical scheme provided by the application adjusts airborne receiving end antenna array beam maximum direction based on current network signal strength parameter, so that it is aligned with ground-to-air base station antenna array beam, can guarantee the stable, reliable transmission of unmanned aerial vehicle flight data and service data.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of unmanned aerial vehicles, and in particular to an unmanned aerial vehicle airborne phased array antenna adaptive adjustment method, an airborne terminal, a computer device, and a computer readable storage medium. BACKGROUND

[0002] Currently, the unmanned aerial vehicle industry mainly faces two core pain points of measurement and control and supervision in application landing, and urgently needs to innovate inherent stubbornness through effective technical means to promote the orderly and rapid development of the unmanned aerial vehicle industry. The 5G (5th Generation Mobile Communication Technology) technology has the technical characteristics of large bandwidth, low delay, anti-interference, and multi-beam pointing, and has the four capabilities of high-definition image transmission, remote control, state monitoring, and precise positioning required for unmanned aerial vehicle application, which can effectively solve the problems restricting the development of the current unmanned aerial vehicle industry.

[0003] However, in actual flight scenarios, the position of the unmanned aerial vehicle changes in real time, and the quality of the 5G network signal also becomes unstable, but the existing unmanned aerial vehicle cannot guarantee that the communication link connection with the ground-to-air base station is real-time optimal, resulting in poor transmission quality and stability of the unmanned aerial vehicle flight data and business data. SUMMARY

[0004] In order to at least partially solve the technical problems in the prior art that the quality and stability of the transmission of the unmanned aerial vehicle flight data and business data are poor due to the fact that the unmanned aerial vehicle cannot guarantee that the communication link connection with the ground-to-air base station is real-time optimal under unstable network signal quality, the present application is completed.

[0005] According to an aspect of the present application, an unmanned aerial vehicle airborne phased array antenna adaptive adjustment method is provided, which is applied to an airborne terminal, the airborne terminal is built-in with a beam scanning antenna, and the method comprises:

[0006] real-time collection of reference signal received power and signal-to-noise ratio of the current network;

[0007] in response to the reference signal received power being higher than or equal to a preset threshold value and the signal-to-noise ratio being lower than a preset ideal value, automatically scanning ground-to-air base station transmitting end antenna array beam information through the beam scanning antenna; and

[0008] adjusting the maximum pointing of the airborne receiving end antenna array beam based on the ground-to-air base station transmitting end antenna array beam information so as to align with the ground-to-air base station transmitting end antenna array beam.

[0009] Optionally, the method further comprises:

[0010] In response to the reference signal receiving power being lower than the preset threshold value, automatically scanning ground-to-space base station transmitting end antenna array beam information by beam scanning antenna, and adjusting the maximum pointing direction of the airborne receiving end antenna array based on the ground-to-space base station transmitting end antenna array beam information to align with the ground-to-space base station transmitting end antenna array beam.

[0011] Optionally, the adjusting the maximum pointing direction of the airborne receiving end antenna array based on the ground-to-space base station transmitting end antenna array beam information to align with the ground-to-space base station transmitting end antenna array beam comprises:

[0012] deriving the ground-to-space base station transmitting end antenna array beam pointing direction based on the ground-to-space base station transmitting end antenna array beam information; and,

[0013] adjusting the airborne antenna array basic unit parameters based on the ground-to-space base station transmitting end antenna array beam pointing direction to adjust the maximum pointing direction of the airborne receiving end antenna array by airborne receiving end antenna array beamforming, so that the airborne receiving end antenna array is always aligned with the ground-to-space base station transmitting end antenna array beam during the flight of the unmanned aerial vehicle.

[0014] Optionally, the method further comprises:

[0015] In response to the reference signal receiving power being higher than or equal to the preset threshold value, and the signal-to-noise ratio being higher than or equal to the preset ideal value, maintaining the current maximum pointing direction of the airborne receiving end antenna array.

[0016] Optionally, the method further comprises:

[0017] In response to the reference signal receiving power being higher than or equal to the preset threshold value, and the signal-to-noise ratio being lower than the preset ideal value, sending a first notification message to the ground platform, the first notification message comprising the numerical values of the reference signal receiving power and the signal-to-noise ratio, so that the ground platform generates a first power adjustment instruction based on the first notification message and sends it to the ground-to-space base station, so that the ground-to-space base station increases the antenna transmitting power based on the first power adjustment instruction until the reference signal receiving power of the current network collected by the airborne terminal is higher than or equal to the preset threshold value, and the signal-to-noise ratio of the current network is higher than or equal to the preset ideal value.

[0018] Optionally, the method further comprises:

[0019] In response to the reference signal receiving power being lower than the preset threshold value, a second notification message is sent to the ground platform, the second notification message including a value of the reference signal receiving power, so that the ground platform generates a second power adjustment instruction based on the second notification message and sends the second power adjustment instruction to the ground-to-space base station, and the ground-to-space base station increases the antenna transmitting power based on the second power adjustment instruction until the reference signal receiving power of the current network collected by the airborne terminal is higher than or equal to the preset threshold value, and the signal-to-noise ratio of the current network is higher than or equal to the preset ideal value.

[0020] According to another aspect of the present application, an airborne terminal is provided, the airborne terminal being built-in with a beam scanning antenna, the airborne terminal comprising:

[0021] a collecting module configured to collect a reference signal receiving power and a signal-to-noise ratio of a current network in real time;

[0022] a scanning module configured to automatically scan ground-to-space base station transmitting end antenna array beam information through the beam scanning antenna when the reference signal receiving power is higher than or equal to a preset threshold value and the signal-to-noise ratio is lower than a preset ideal value; and

[0023] an adjusting module configured to adjust a maximum pointing direction of an airborne receiving end antenna array so as to be aligned with the ground-to-space base station transmitting end antenna array beam based on the ground-to-space base station transmitting end antenna array beam information.

[0024] According to still another aspect of the present application, a computer device is provided, comprising a memory and a processor, the memory storing a computer program, and when the processor runs the computer program stored in the memory, the processor executes the foregoing drone airborne phased array antenna adaptive adjustment method.

[0025] According to still another aspect of the present application, a computer readable storage medium is provided, the computer readable storage medium storing a computer program, and when the processor executes the computer program, the processor executes the foregoing drone airborne phased array antenna adaptive adjustment method.

[0026] The technical solution provided by the present application can include the following beneficial effects:

[0027] The unmanned aerial vehicle airborne phased array antenna adaptive adjustment method provided by the application, through real-time collection of the reference signal receiving power and the signal-to-noise ratio of the current network, when the reference signal receiving power is higher than or equal to a preset threshold value, and the signal-to-noise ratio is lower than a preset ideal value, the ground-to-space base station transmitting end antenna array beam information is automatically scanned by the built-in beam scanning antenna of the airborne antenna, and the maximum pointing of the airborne receiving end antenna array beam is adjusted based on the ground-to-space base station transmitting end antenna array beam information, so that it is aligned with the ground-to-space base station transmitting end antenna array beam, so that the signal received by the airborne antenna from the ground-to-space base station is strong, thereby ensuring the stable and reliable transmission of the unmanned aerial vehicle flight data and service data.

[0028] Other features and advantages of the present application will be set forth in the following description, and in part will become apparent to those skilled in the art from the description, or can be learned by practice of the application. The objects and other advantages of the application will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings. BRIEF DESCRIPTION OF DRAWINGS

[0029] The accompanying drawings are included to provide a further understanding of the technical scheme of the application, and constitute a part of the specification, and are used together with the embodiments of the application to explain the technical scheme of the application, and do not constitute a limitation on the technical scheme of the application.

[0030] Figure 1 The flowchart of the unmanned aerial vehicle airborne phased array antenna adaptive adjustment method provided by the embodiment of the application is shown in the figure.

[0031] Figure 2 The structure diagram of the airborne terminal provided by the embodiment of the application is shown in the figure.

[0032] Figure 3 The structure diagram of the computer device provided by the embodiment of the application is shown in the figure. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical scheme and advantages of the embodiments of the application more clear, the specific embodiments of the application are described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the application, and are not used to limit the application.

[0034] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and do not necessarily describe a specific order or sequence; and, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other arbitrarily. In the subsequent description, the suffixes such as "module", "component", or "unit" used to represent elements are only for the convenience of the description of the present application, and have no specific meaning. Therefore, "module", "component", or "unit" can be used mixedly.

[0035] Figure 1 The flowchart of the unmanned aerial vehicle airborne phased array antenna adaptive adjustment method provided by the embodiment of the present application is shown, wherein the phased array antenna refers to an antenna that changes the pattern shape by controlling the feeding phase of the radiating unit in the antenna array (i.e. array antenna). The so-called antenna pattern refers to the pattern of the relative field strength (normalized modulus) of the radiation field changing with the direction at a certain distance from the antenna. Usually, two mutually perpendicular plane patterns in the maximum radiation direction of the antenna are used to represent it. The method is applied to an airborne terminal, and the airborne terminal is built-in with a beam scanning antenna, which can scan and obtain the ground-to-air base station transmitting end antenna array beam information in real time. As shown in Figure 1 The method comprises the following steps S101-S103.

[0036] S101. Real-time collection of reference signal receiving power and signal-to-noise ratio of the current network.

[0037] The reference signal receiving power can be RSRP (Reference Signal Receiving Power), which is one of the key parameters that can represent the wireless signal strength in the LTE (Long Term Evolution) network and the physical layer measurement requirement, and is the average value of the signal power received on all REs (resource elements) carrying the reference signal within a certain symbol.

[0038] The signal-to-noise ratio can be SINR (Signal to Interference plus Noise Ratio), which is the ratio of the strength of the received useful signal to the strength of the received interference signal (noise and interference).

[0039] The airborne terminal is an important support for the networking of the unmanned aerial vehicle, can make the unmanned aerial vehicle have more autonomous and intelligent application capability, plays a key role in widening the application field of the unmanned aerial vehicle, and the present application utilizes the characteristics of the airborne terminal, after the airborne terminal is adapted to the original system of the unmanned aerial vehicle, makes the unmanned aerial vehicle have the capability of accessing the 5G network, and can collect the RSRP value and the SINR value of the 5G network in real time during flight.

[0040] S102. In response to the reference signal receiving power being higher than or equal to a preset threshold value and the signal-to-noise ratio being lower than a preset ideal value, automatically scanning ground-to-space base station transmitting end antenna array beam information through the beam scanning antenna.

[0041] When the reference signal receiving power of the current network collected in real time in the previous step is higher than or equal to a preset threshold value, and the signal-to-noise ratio of the current network collected in real time is lower than a preset ideal value, it indicates that the current network signal strength is general, the communication link connection between the unmanned aerial vehicle and the ground-to-space base station is unstable, and it is difficult to stably transmit the unmanned aerial vehicle flight data and service data, at this time, the built-in beam scanning antenna of the airborne terminal is started to automatically scan the ground-to-space base station transmitting end antenna array beam information, so as to obtain the ground-to-space base station transmitting end antenna array beam pointing direction. The preset threshold value can be set to -105 dBm, and the preset ideal value can be set to 25 dB, of course, the two preset values can also be set to other values by the person skilled in the art according to the actual demand.

[0042] S103. Based on the ground-to-space base station transmitting end antenna array beam information, adjusting the maximum pointing direction of the airborne receiving end antenna array to align with the ground-to-space base station transmitting end antenna array.

[0043] In this embodiment, after the ground-to-space base station transmitting end antenna array pointing direction is obtained through the beam scanning antenna, the maximum pointing direction of the airborne antenna array can be adjusted according to the ground-to-space base station transmitting end antenna array pointing direction, the unmanned aerial vehicle and the ground-to-space base station antenna array are aligned, so that the airborne antenna receives a stronger signal from the ground-to-space base station, and the stable and reliable transmission of the unmanned aerial vehicle flight data and service data is ensured.

[0044] In a specific embodiment, after step S101, the following steps S104 and S105 are further included.

[0045] S104. In response to the reference signal receiving power being lower than a preset threshold value, automatically scanning ground-to-space base station transmitting end antenna array beam information through the beam scanning antenna.

[0046] S105. Based on the ground-to-space base station transmitting end antenna array beam information, adjusting the maximum pointing direction of the airborne receiving end antenna array to align with the ground-to-space base station transmitting end antenna array.

[0047] In the embodiment, when the reference signal received power of the current network collected in real time is lower than the preset threshold value, it indicates that the current network signal strength is poor, the communication link connection between the unmanned aerial vehicle and the ground-to-air base station is extremely unstable, and the unmanned aerial vehicle flight data and service data cannot be stably transmitted. At this time, the built-in beam scanning antenna of the airborne terminal is started to automatically scan the ground-to-air base station transmitting end antenna array beam information to obtain the ground-to-air base station transmitting end antenna array beam pointing, and then the airborne receiving end antenna array beam maximum pointing is adjusted according to the ground-to-air base station transmitting end antenna array beam pointing, so as to realize the alignment of the unmanned aerial vehicle and the ground-to-air base station antenna array beam, and ensure the stable and reliable transmission of the unmanned aerial vehicle flight data and service data.

[0048] In a specific embodiment, the step S103 and the step S105 include the following steps A1 and A2.

[0049] A1. obtaining the ground-to-air base station transmitting end antenna array beam pointing based on the ground-to-air base station transmitting end antenna array beam information;

[0050] A2. adjusting the airborne antenna array basic unit parameters based on the ground-to-air base station transmitting end antenna array beam pointing, so as to adjust the airborne receiving end antenna array beam maximum pointing through the airborne receiving end antenna array beamforming, so that the airborne receiving end antenna array beam is always aligned with the ground-to-air base station transmitting end antenna array beam during the flight of the unmanned aerial vehicle.

[0051] In the embodiment, the airborne antenna array basic unit parameters are adjusted based on the ground-to-air base station transmitting end antenna array beam pointing, so as to adaptively adjust the airborne receiving end antenna array beam maximum pointing through the airborne receiving end antenna array beamforming (i.e. the electromagnetic wave is given a certain shape to concentrate propagation), so that the airborne antenna array beam is always aligned with the ground-to-air base station antenna array beam during the flight of the unmanned aerial vehicle. At this time, the airborne antenna receives the signal from the ground-to-air base station, which is relatively strong, and can ensure the stable and reliable transmission of the unmanned aerial vehicle flight data and service data.

[0052] In a specific embodiment, after the step S101, the following step S106 is further included.

[0053] S106. In response to the reference signal received power being higher than or equal to the preset threshold value and the signal-to-noise ratio being higher than or equal to the preset ideal value, the current airborne receiving end antenna array beam maximum pointing is maintained.

[0054] In the embodiment, when the reference signal receiving power of the current network collected in real time is higher than or equal to the preset threshold value and the signal-to-noise ratio of the current network collected in real time is higher than or equal to the preset ideal value, it indicates that the current network signal strength is good, the communication link connection between the unmanned aerial vehicle and the ground air base station is optimal, and the transmission requirements of the unmanned aerial vehicle flight data and service data can be met. At this time, it is not necessary to start the built-in beam scanning antenna of the airborne terminal to scan, and it is not necessary to adjust the maximum pointing of the airborne receiving end antenna array beam, so as to ensure the stable and reliable transmission of the unmanned aerial vehicle flight data and service data.

[0055] In a specific embodiment, after step S101, the following step S107 is further included.

[0056] S107. In response to the reference signal receiving power being higher than or equal to the preset threshold value and the signal-to-noise ratio being lower than the preset ideal value, a first notification message is sent to the ground platform, the first notification message including the values of the reference signal receiving power and the signal-to-noise ratio, so that the ground platform generates a first power adjustment instruction based on the first notification message and sends it to the ground air base station, so that the ground air base station increases the antenna transmission power based on the first power adjustment instruction until the reference signal receiving power of the current network collected by the airborne terminal is higher than or equal to the preset threshold value and the signal-to-noise ratio of the current network is higher than or equal to the preset ideal value.

[0057] In the embodiment, when the reference signal receiving power of the current network collected in real time is higher than or equal to the preset threshold value and the signal-to-noise ratio of the current network collected in real time is lower than the preset ideal value, the airborne terminal can also notify the ground platform of the actual situation of the current network signal strength, and the ground platform automatically issues a corresponding first power adjustment instruction to the ground air base station according to the actual situation of the current network signal strength, so that the ground air base station increases the antenna transmission power based on the first power adjustment instruction and maintains the increased antenna transmission power to increase the signals received by the airborne antenna, so as to ensure the stable and reliable transmission of the unmanned aerial vehicle flight data and service data until the reference signal receiving power of the current network collected by the airborne terminal is higher than or equal to the preset threshold value and the signal-to-noise ratio of the current network is higher than or equal to the preset ideal value. The ground air base station can restore to the antenna transmission power before the increase to save the power consumption.

[0058] In a specific embodiment, after step S101, the following step S108 is further included.

[0059] S108. In response to the reference signal received power being lower than the preset threshold value, a second notification message is sent to the ground platform, the second notification message including a value of the reference signal received power, so that the ground platform generates a second power adjustment instruction based on the second notification message and sends the second power adjustment instruction to the ground-to-space base station, and the ground-to-space base station increases the antenna transmission power based on the second power adjustment instruction until the reference signal received power of the current network collected by the airborne terminal is higher than or equal to the preset threshold value, and the signal-to-noise ratio of the current network is higher than or equal to the preset ideal value.

[0060] In the embodiment, when the reference signal received power of the current network collected in real time is lower than the preset threshold value, the airborne terminal can also notify the ground platform of the actual situation of the current network signal strength, and the ground platform automatically issues a corresponding second power adjustment instruction to the ground-to-space base station according to the actual situation of the current network signal strength, so that the ground-to-space base station increases the antenna transmission power based on the second power adjustment instruction (the antenna transmission power increase value corresponding to the second power adjustment instruction is greater than the antenna transmission power increase value corresponding to the first power adjustment instruction), and maintains the increased antenna transmission power to increase the signal received by the airborne antenna, so as to ensure stable and reliable transmission of the unmanned aerial vehicle flight data and service data, until the reference signal received power of the current network collected by the airborne terminal is higher than or equal to the preset threshold value, and the signal-to-noise ratio of the current network is higher than or equal to the preset ideal value, and the ground-to-space base station can restore to the antenna transmission power before the increase, so as to save the power consumption.

[0061] Of course, if the reference signal received power of the current network collected in real time is higher than or equal to the preset threshold value, and the signal-to-noise ratio of the current network collected in real time is higher than or equal to the preset ideal value, at this time the communication link between the unmanned aerial vehicle and the ground-to-space base station can meet the reliable transmission of the unmanned aerial vehicle flight data and service data, and the airborne terminal does not need to notify the ground platform to adjust the antenna transmission power of the ground-to-space base station.

[0062] It should be noted that the order of the above steps is only a specific example proposed for the purpose of describing the embodiments of the present application, and the present application does not limit the order of the above steps, and those skilled in the art can adjust them as needed in actual application; and the sequence number of the above steps does not limit the execution order.

[0063] The unmanned aerial vehicle airborne phased array antenna adaptive adjustment method provided by the embodiment of the application realizes the alignment of the unmanned aerial vehicle and the ground-to-air base station antenna array beam in flight by controlling the unmanned aerial vehicle internal phased array antenna beamforming to adjust the airborne receiving end antenna array beam maximum pointing direction according to the judgment result, and can also notify the ground platform to send the instruction of adjusting the antenna transmitting power to the ground-to-air base station according to the judgment result, so as to achieve the purpose of adjusting the unmanned aerial vehicle internal phased array antenna receiving power, thereby realizing the stable and reliable transmission of the unmanned aerial vehicle flight data and service data.

[0064] Figure 2 The structure schematic diagram of the airborne terminal provided by the embodiment of the application is shown in the figure. Figure 2 As shown in the figure, the airborne terminal includes an acquisition module 201, a scanning module 202 and an adjustment module 203.

[0065] The acquisition module 201 is configured to acquire the reference signal receiving power and the signal-to-noise ratio of the current network in real time; the scanning module 202 is configured to automatically scan the ground-to-air base station transmitting end antenna array beam information through the beam scanning antenna when the reference signal receiving power is higher than or equal to a preset threshold value and the signal-to-noise ratio is lower than a preset ideal value; and the adjustment module 203 is configured to adjust the airborne receiving end antenna array beam maximum pointing direction based on the ground-to-air base station transmitting end antenna array beam information, so that the airborne receiving end antenna array beam is aligned with the ground-to-air base station transmitting end antenna array beam.

[0066] In a specific embodiment, the scanning module 202 is further configured to automatically scan the ground-to-air base station transmitting end antenna array beam information through the beam scanning antenna when the reference signal receiving power is lower than the preset threshold value. Correspondingly, the adjustment module 203 also needs to adjust the airborne receiving end antenna array beam maximum pointing direction based on the ground-to-air base station transmitting end antenna array beam information, so that the airborne receiving end antenna array beam is aligned with the ground-to-air base station transmitting end antenna array beam.

[0067] In a specific embodiment, the adjustment module 203 includes an analysis unit and an adjustment unit.

[0068] The analysis unit is configured to derive the ground-to-air base station transmitting end antenna array beam pointing direction based on the ground-to-air base station transmitting end antenna array beam information; and the adjustment unit is configured to adjust the airborne antenna array basic unit parameters based on the ground-to-air base station transmitting end antenna array beam pointing direction, so as to adjust the airborne receiving end antenna array beam maximum pointing direction through the airborne receiving end antenna array beamforming, so that the airborne receiving end antenna array beam is always aligned with the ground-to-air base station transmitting end antenna array beam in the flight of the unmanned aerial vehicle.

[0069] In an embodiment, the adjustment module 203 is further configured to keep the current maximum pointing direction of the onboard receiving antenna array beam when the reference signal receiving power is higher than or equal to a preset threshold value and the signal-to-noise ratio is higher than or equal to a preset ideal value.

[0070] In an embodiment, the onboard terminal further comprises a sending module.

[0071] The sending module is configured to send a first notification message to the ground platform when the reference signal receiving power is higher than or equal to a preset threshold value and the signal-to-noise ratio is lower than a preset ideal value, the first notification message comprising the values of the reference signal receiving power and the signal-to-noise ratio, so that the ground platform generates a first power adjustment instruction based on the first notification message and sends it to the ground-to-space base station, and the ground-to-space base station increases the antenna transmitting power based on the first power adjustment instruction until the reference signal receiving power of the current network collected by the onboard terminal is higher than or equal to a preset threshold value and the signal-to-noise ratio of the current network is higher than or equal to a preset ideal value.

[0072] In an embodiment, the sending module is further configured to send a second notification message to the ground platform when the reference signal receiving power is lower than a preset threshold value, the second notification message comprising the value of the reference signal receiving power, so that the ground platform generates a second power adjustment instruction based on the second notification message and sends it to the ground-to-space base station, and the ground-to-space base station increases the antenna transmitting power based on the second power adjustment instruction until the reference signal receiving power of the current network collected by the onboard terminal is higher than or equal to a preset threshold value and the signal-to-noise ratio of the current network is higher than or equal to a preset ideal value.

[0073] The onboard terminal provided by the embodiment of the present application realizes the alignment of the onboard receiving antenna array beam of the unmanned aerial vehicle with the antenna array beam of the ground-to-space base station in flight by collecting and judging the signal strength parameters such as the RSRP and SINR of the 5G network in real time and controlling the onboard receiving antenna array beam maximum pointing direction of the phased array antenna inside the unmanned aerial vehicle according to the judgment result, and can also notify the ground platform to send an instruction to adjust the antenna transmitting power of the ground-to-space base station according to the judgment result, so as to achieve the purpose of self-adjusting the receiving power of the phased array antenna inside the unmanned aerial vehicle, thereby realizing the stable and reliable transmission of the flight data and service data of the unmanned aerial vehicle.

[0074] Based on the same technical concept, the embodiment of the present application also provides a computer device, as shown in Figure 3 The computer device comprises a memory 301 and a processor 302, and the memory 301 stores a computer program, and when the processor 302 runs the computer program stored in the memory 301, the processor 302 executes the foregoing unmanned aerial vehicle onboard phased array antenna adaptive adjustment method.

[0075] Based on the same technical concept, the embodiment of the present application also provides a computer readable storage medium, which stores a computer program, and the computer program is executed by a processor, and the processor executes the unmanned aerial vehicle airborne phased array antenna adaptive adjustment method.

[0076] In summary, the unmanned aerial vehicle airborne phased array antenna adaptive adjustment method, the airborne terminal, the computer device and the storage medium provided by the embodiment of the present application overcome the problem that the communication link connection between the unmanned aerial vehicle and the ground-to-space base station is unstable due to the unstable 5G network signal quality caused by the real-time change of the unmanned aerial vehicle position in the actual flight scene, and effectively guarantee the real-time best communication link connection between the network-connected unmanned aerial vehicle and the ground-to-space base station, ensure the stable and reliable transmission of the unmanned aerial vehicle flight data and service data, and are particularly suitable for unmanned aerial vehicle operation scenes without obstacles and obstructions, and have important significance in the actual landing of unmanned aerial vehicle services.

[0077] Those skilled in the art can understand that all or some of the steps in the method disclosed above, the functional modules / units in the system and the device can be implemented as software, firmware, hardware and appropriate combinations thereof. In the hardware implementation, the division between the functional modules / units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component can have multiple functions, or one function or step can be performed by several physical components in cooperation. Some or all of the physical components can be implemented as software executed by a processor, such as a central processing unit, a digital signal processor or a microprocessor, or as hardware, or as an integrated circuit, such as an application-specific integrated circuit. Such software can be distributed on a computer readable medium, which can include computer storage media (or non-transitory media) and communication media (or transitory media). As known to those skilled in the art, the term computer storage media includes volatile and non-volatile, removable and non-removable media implemented in any method or technology for storing information such as computer readable instructions, data structures, program modules or other data. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tapes, magnetic disk storage or other magnetic storage devices, or any other medium that can be used to store desired information and can be accessed by a computer. In addition, as known to those skilled in the art, communication media generally includes computer readable instructions, data structures, program modules or other data in modulated data signals such as carriers or other transmission mechanisms, and can include any information delivery medium.

[0078] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not intended to limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions described in the foregoing embodiments can still be modified, or some or all of the technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. An adaptive adjustment method for an airborne phased array antenna for an unmanned aerial vehicle (UAV), characterized in that, This method is applied to airborne terminals, which integrate beam-scanning antennas and phased array antennas. The phased array antenna refers to an antenna whose radiation pattern shape is changed by controlling the feed phase of the radiating elements in the antenna array. The method includes: Real-time acquisition of the current network's reference signal received power and signal-to-noise ratio; In response to the reference signal received power being higher than or equal to a preset threshold value, and the signal-to-noise ratio being lower than a preset ideal value, the beam scanning antenna automatically scans the beam information of the ground-to-air base station transmitter antenna array; and, Based on the beam information of the ground-to-air base station transmitter antenna array, adjust the maximum direction of the airborne receiver antenna array beam to align it with the beam of the ground-to-air base station transmitter antenna array. The step of adjusting the maximum beam direction of the airborne receiver antenna array based on the beam information of the ground-to-air base station transmitter antenna array to align it with the beam of the ground-to-air base station transmitter antenna array includes: The beam pointing of the ground-to-air base station transmitter antenna array is determined based on the beam information of the ground-to-air base station transmitter antenna array; and... Based on the beam pointing of the ground-to-air base station transmitter antenna array, the basic unit parameters of the airborne antenna array are adjusted so that the maximum beam pointing of the airborne receiver antenna array is adaptively adjusted through beamforming of the airborne receiver antenna array, so that the beam of the airborne receiver antenna array is always aligned with the beam of the ground-to-air base station transmitter antenna array during the flight.

2. The method according to claim 1, characterized in that, Also includes: In response to the reference signal receiving power being lower than a preset threshold, the beam scanning antenna automatically scans the beam information of the ground-to-air base station transmitter antenna array, and adjusts the maximum direction of the airborne receiver antenna array beam based on the ground-to-air base station transmitter antenna array beam information to align it with the ground-to-air base station transmitter antenna array beam.

3. The method according to claim 1, characterized in that, Also includes: In response to the reference signal received power being higher than or equal to a preset threshold and the signal-to-noise ratio being higher than or equal to a preset ideal value, the maximum beam pointing of the current airborne receiver antenna array is maintained.

4. The method according to claim 1, characterized in that, Also includes: In response to the reference signal received power being higher than or equal to a preset threshold and the signal-to-noise ratio being lower than a preset ideal value, a first notification message is sent to the ground platform. The first notification message includes the values ​​of the reference signal received power and the signal-to-noise ratio, so that the ground platform generates a first power adjustment command based on the first notification message and sends it to the ground-to-air base station, so that the ground-to-air base station increases the antenna transmit power based on the first power adjustment command until the reference signal received power of the current network collected by the airborne terminal is higher than or equal to the preset threshold and the signal-to-noise ratio of the current network is higher than or equal to the preset ideal value.

5. The method according to claim 1, characterized in that, Also includes: In response to the reference signal received power being lower than a preset threshold, a second notification message is sent to the ground platform. The second notification message includes the value of the reference signal received power, so that the ground platform generates a second power adjustment command based on the second notification message and sends it to the ground-to-air base station. The ground-to-air base station increases the antenna transmit power based on the second power adjustment command until the reference signal received power of the current network collected by the airborne terminal is higher than or equal to the preset threshold, and the signal-to-noise ratio of the current network is higher than or equal to the preset ideal value.

6. An airborne terminal, characterized in that, The airborne terminal integrates a beam scanning antenna and a phased array antenna. The phased array antenna refers to an antenna whose radiation pattern shape is changed by controlling the feed phase of the radiating elements in the antenna array. The airborne terminal includes: The acquisition module is configured to acquire the reference signal received power and signal-to-noise ratio of the current network in real time. A scanning module is configured to automatically scan the beam information of the ground-to-ground base station transmitter antenna array via the beam scanning antenna when the received power of the reference signal is higher than or equal to a preset threshold and the signal-to-noise ratio is lower than a preset ideal value; and, The adjustment module is configured to adjust the maximum direction of the airborne receiver antenna array beam based on the beam information of the ground-to-air base station transmitter antenna array, so as to align it with the beam of the ground-to-air base station transmitter antenna array. The adjustment module includes: The analysis unit is configured to determine the beam direction of the ground-to-air base station transmitter antenna array based on the beam information of the ground-to-air base station transmitter antenna array. The adjustment unit is configured to adjust the basic unit parameters of the airborne antenna array based on the beam pointing of the ground-to-air base station transmitter antenna array, so as to adaptively adjust the maximum beam pointing of the airborne receiver antenna array through beamforming of the airborne receiver antenna array, so that the beam of the airborne receiver antenna array of the UAV is always aligned with the beam of the ground-to-air base station transmitter antenna array during flight.

7. The airborne terminal according to claim 6, characterized in that, The scanning module is further configured to automatically scan the beam information of the ground-to-air base station transmitter antenna array using a beam scanning antenna when the reference signal receiving power is lower than a preset threshold.

8. A computer device, characterized in that, It includes a memory and a processor, wherein the memory stores a computer program, and when the processor runs the computer program stored in the memory, the processor executes the UAV airborne phased array antenna adaptive adjustment method according to any one of claims 1 to 5.

9. A computer-readable storage medium having a computer program stored thereon, characterized in that, When the computer program is executed by the processor, the processor performs the adaptive adjustment method for UAV airborne phased array antenna according to any one of claims 1 to 5.

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