CN113179541B - Unmanned aerial vehicle communication method and device based on microwave image transmission and cellular network - Google Patents
Unmanned aerial vehicle communication method and device based on microwave image transmission and cellular network Download PDFInfo
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- CN113179541B CN113179541B CN202110450742.4A CN202110450742A CN113179541B CN 113179541 B CN113179541 B CN 113179541B CN 202110450742 A CN202110450742 A CN 202110450742A CN 113179541 B CN113179541 B CN 113179541B
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Abstract
The invention provides an unmanned aerial vehicle communication method and device based on microwave image transmission and a cellular network, which relate to the technical field of unmanned aerial vehicle application and comprise the steps of collecting microwave image transmission signals and cellular network signals in real time; respectively evaluating the microwave map transmission signal and the cellular network signal to obtain a first signal intensity corresponding to the microwave map transmission signal and a second signal intensity corresponding to the cellular network signal; if the signal difference between the first signal intensity and the second signal intensity exceeds a preset signal intensity threshold, switching to a target communication mode with higher signal intensity in the first signal intensity and the second signal intensity for communication, and switching to a communication mode with stronger signal for data transmission by collecting and evaluating the signal intensity in real time so as to ensure that the data transmission of the unmanned aerial vehicle is not interrupted and further ensure the operation efficiency of the unmanned aerial vehicle.
Description
Technical Field
The invention relates to the technical field of unmanned aerial vehicle application, in particular to an unmanned aerial vehicle communication method and device based on microwave image transmission and a cellular network.
Background
The current unmanned aerial vehicle's application is comparatively extensive, relates to multiple scene fields such as agriculture, plant protection, image acquisition. Generally, the unmanned aerial vehicle transmits information such as collected images and the like so as to control the unmanned aerial vehicle to perform corresponding operation according to the transmitted information such as image and video.
Along with the application scene of unmanned aerial vehicle is more and more complicated, the transmission image precision requirement to unmanned aerial vehicle is higher and higher nowadays, but communication network coverage is comparatively limited, can not guarantee continuous signal reception in the unmanned aerial vehicle operation process, influences unmanned aerial vehicle's operating efficiency.
Disclosure of Invention
The invention aims to provide an unmanned aerial vehicle communication method and device based on microwave image transmission and a cellular network, which are used for switching to a communication mode with stronger signals for data transmission through real-time acquisition and evaluation of signal intensity so as to ensure that the data transmission of the unmanned aerial vehicle is not interrupted and further ensure the operation efficiency of the unmanned aerial vehicle.
In a first aspect, an embodiment of the present invention provides a method for unmanned aerial vehicle communication based on microwave image transmission and cellular network, applied to unmanned aerial vehicle equipment, the method including:
acquiring a microwave image transmission signal and a cellular network signal in real time;
respectively evaluating the microwave map transmission signal and the cellular network signal to obtain a first signal strength corresponding to the microwave map transmission signal and a second signal strength corresponding to the cellular network signal;
and if the signal difference between the first signal intensity and the second signal intensity exceeds a preset signal intensity threshold, switching to a target communication mode with higher signal intensity in the first signal intensity and the second signal intensity for communication.
With reference to the first aspect, an embodiment of the present invention provides a first possible implementation manner of the first aspect, where the step of evaluating the microwave map transmission signal and the cellular network signal to obtain a first signal strength corresponding to the microwave map transmission signal and a second signal strength corresponding to the cellular network signal, includes:
evaluating the microwave map signal through a microwave map transmission module in the unmanned aerial vehicle to obtain a first signal strength corresponding to the microwave map signal;
and evaluating the cellular network signal through a cellular network module in the unmanned aerial vehicle to obtain a second signal strength corresponding to the cellular network signal.
With reference to the first aspect, an embodiment of the present invention provides a second possible implementation manner of the first aspect, where the step of evaluating the microwave map transmission signal and the cellular network signal to obtain a first signal strength corresponding to the microwave map transmission signal and a second signal strength corresponding to the cellular network signal, respectively includes:
transmitting the microwave map signal to a control terminal through a microwave map transmission module in the unmanned aerial vehicle, so that the control terminal evaluates and obtains a first signal strength corresponding to the microwave map signal;
and transmitting the cellular network signal to a control terminal through a cellular network module in the unmanned aerial vehicle so as to enable the control terminal to evaluate and obtain second signal strength corresponding to the cellular network signal, wherein the microwave image transmission module and the cellular network module do not have a signal evaluation function.
With reference to the first aspect, the embodiment of the present invention provides a third possible implementation manner of the first aspect, where the method further includes:
if the first signal intensity and the second signal intensity are both in the preset signal intensity range, the original target communication mode is kept for communication.
With reference to the first aspect, an embodiment of the present invention provides a fourth possible implementation manner of the first aspect, where, if a signal difference between the first signal strength and the second signal strength exceeds a preset signal strength threshold, before the step of switching to the target communication mode with a higher signal strength of the first signal strength and the second signal strength for communication, the method further includes:
determining a current to-be-selected communication mode according to the accuracy requirement of data transmission of the unmanned aerial vehicle;
and judging whether the current to-be-selected communication mode is used as the target communication mode or not based on the signal strength corresponding to the current to-be-selected communication mode, and switching to the target communication mode.
With reference to the first aspect, the embodiment of the present invention provides a fifth possible implementation manner of the first aspect, where the method further includes:
if the accuracy requirement of the unmanned aerial vehicle transmission data reaches a preset accuracy threshold, and the first signal intensity and the second signal intensity are both in a preset signal intensity range, switching to a microwave image transmission communication mode with higher accuracy for communication.
With reference to the first aspect, an embodiment of the present invention provides a sixth possible implementation manner of the first aspect, where the method further includes:
and controlling corresponding operation of the unmanned aerial vehicle based on unmanned aerial vehicle transmission data received by the target communication mode.
In a second aspect, an embodiment of the present invention further provides an unmanned aerial vehicle communication device based on microwave image transmission and a cellular network, which is applied to unmanned aerial vehicle equipment, and the device includes:
the acquisition module acquires the microwave image transmission signal and the cellular network signal in real time;
the evaluation module is used for respectively evaluating the microwave map transmission signal and the cellular network signal to obtain a first signal intensity corresponding to the microwave map transmission signal and a second signal intensity corresponding to the cellular network signal;
and the switching module is used for switching to a target communication mode with higher signal intensity in the first signal intensity and the second signal intensity for communication if the signal difference value between the first signal intensity and the second signal intensity exceeds a preset signal intensity threshold value.
In a third aspect, an embodiment provides a drone device, including a drone body, a memory, a processor, the memory storing a computer program executable on the processor, the processor implementing the steps of the method of any of the preceding embodiments when the computer program is executed.
In a fourth aspect, embodiments provide a machine-readable storage medium storing machine-executable instructions that, when invoked and executed by a processor, cause the processor to implement the steps of the method of any of the preceding embodiments.
The embodiment of the invention provides an unmanned aerial vehicle communication method and device based on microwave image transmission and a cellular network, which are based on a microwave image transmission signal and a cellular network signal acquired in real time, the signal intensities of the microwave image transmission signal and the cellular network signal are respectively evaluated, the first signal intensity and the second signal intensity of the microwave image transmission signal and the cellular network signal are compared, if the difference of the signal intensities of the microwave image transmission signal and the cellular network signal is larger and exceeds a preset signal intensity threshold value, the effect of the communication mode with higher signal intensity is considered to be better, the communication mode is determined to be a target communication mode, the current communication mode of the unmanned aerial vehicle is switched to the target communication mode, the switching process can be performed in real time in the unmanned aerial vehicle operation process, the current communication modes of the unmanned aerial vehicle are guaranteed to be better in signal intensity, and further, the problem of lower unmanned aerial vehicle operation efficiency is avoided.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
In order to make the above objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic flow chart of an unmanned aerial vehicle communication method based on a microwave image transmission and a cellular network according to an embodiment of the present invention;
fig. 2 is a schematic functional block diagram of an unmanned aerial vehicle communication device based on a microwave image transmission and a cellular network according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a hardware architecture of an electronic device according to an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The current unmanned aerial vehicle often can appear the circumstances that transmission data was interrupted in the operation in-process, and control terminal can't be according to this corresponding transmission data control unmanned aerial vehicle presents corresponding operation to unmanned aerial vehicle operation is interrupted, leads to unmanned aerial vehicle operating efficiency lower.
The inventor researches and discovers that the existing unmanned aerial vehicle can generally adopt a communication mode of microwave image transmission, an unmanned aerial vehicle operator can remotely control the ground end of the sight distance range, or adopts a 4G/5G cellular communication mode, can remotely control and watch real-time video, or adopts a transmission bandwidth of the microwave image transmission mode to transmit data with higher precision requirements, such as clear video data, but has a short transmission distance, and is easy to disconnect after being blocked; although the 4G cellular network can be controlled remotely, the bandwidth is limited, the transmitted real-time video has low definition, and the connection is easy to break in areas with poor signal coverage; although 5G can transmit large bandwidth video signals, coverage is insufficient and industrial-scale 5G chips are still immature.
Based on the above, the unmanned aerial vehicle communication method and device based on the microwave image transmission and the cellular network provided by the embodiment of the invention are used for switching to the communication mode with stronger signal for data transmission by collecting and evaluating the signal intensity in real time so as to ensure that the data transmission of the unmanned aerial vehicle is not interrupted and further ensure the operation efficiency of the unmanned aerial vehicle.
For the sake of understanding the present embodiment, first, a detailed description is given of a method for communication between unmanned aerial vehicles based on microwave image transmission and cellular network disclosed in the present embodiment.
Fig. 1 is a schematic flow chart of an unmanned aerial vehicle communication method based on a microwave image transmission and a cellular network according to an embodiment of the present invention.
Referring to fig. 1, a method for unmanned aerial vehicle communication based on microwave image transmission and cellular network is applied to unmanned aerial vehicle equipment, and mainly comprises the following steps:
step S102, acquiring microwave image transmission signals and cellular network signals in real time.
The embodiment of the invention adopts corresponding base stations and other laying equipment to cover the microwave and cellular networks to a certain range. For example, the microwave map signaling signals may be collected by a microwave map signaling module of the drone, which may be implemented by a cellular network module.
The microwave image transmission can be understood as a wireless transmission mode of data such as images realized by a microwave technology.
Step S104, the microwave map transmission signal and the cellular network signal are evaluated respectively, and the first signal intensity corresponding to the microwave map transmission signal and the second signal intensity corresponding to the cellular network signal are obtained.
It will be appreciated that the signal strengths of the microwave-image signal and the cellular network signal are evaluated here, respectively.
Step S106, if the signal difference between the first signal strength and the second signal strength exceeds the preset signal strength threshold, switching to the target communication mode with higher signal strength in the first signal strength and the second signal strength for communication.
It should be noted that, the communication mode with the higher signal intensity of the first signal intensity and the second signal intensity is used as the target communication mode, and is switched to the target communication mode, for example, if the difference between the first signal intensity and the second signal intensity exceeds the preset signal intensity threshold, and the first signal intensity is higher than the second signal intensity at this time, the microwave image transmission mode corresponding to the first signal intensity has a better effect, and the microwave image transmission mode is used as the target communication mode, and is switched to the mode, and if the second signal intensity is higher than the first signal intensity, the process is similar to the above process, and the description is omitted here.
It should be noted that the signal strength of both the microwave-patterned signal and the cellular network signal can be collectively represented by a reference signal received power (Reference Signal Receiving Power, RSRP), which typically ranges from-105 dBm to-65 dBm. As an alternative embodiment, the preset signal strength threshold is 2dBm, and if the signal strengths of the two signals differ by more than 2dBm, the transmission mode is switched to a better transmission mode.
In a preferred embodiment of practical application, based on a microwave image signal acquired in real time and a cellular network signal, signal intensities of the microwave image signal and the cellular network signal are evaluated respectively, first signal intensities and second signal intensities of the microwave image signal and the cellular network signal are compared, if the difference of the signal intensities of the microwave image signal and the cellular network signal is larger and exceeds a preset signal intensity threshold, the effect of the communication mode with higher signal intensity is considered to be better, the communication mode is determined to be a target communication mode, the current communication mode of the unmanned aerial vehicle is switched to the target communication mode, the switching process can be performed in real time in the unmanned aerial vehicle operation process, the current communication modes of the unmanned aerial vehicle are guaranteed to be better in signal intensity, and further data transmission interruption is avoided, so that the problem of lower unmanned aerial vehicle operation efficiency is caused.
In some embodiments, step S104 may also be implemented by:
step 1.1), evaluating the microwave map signal through a microwave map transmission module in the unmanned aerial vehicle to obtain a first signal strength corresponding to the microwave map signal.
Step 1.2), evaluating the cellular network signal through a cellular network module in the unmanned aerial vehicle to obtain a second signal strength corresponding to the cellular network signal.
According to the embodiment of the invention, the microwave image transmission module and the cellular network module assembled in the unmanned aerial vehicle equipment are used for respectively evaluating the respective signal intensities, and then the evaluated signal intensity results are sent to the control terminal, so that the subsequent operation is realized, and the computing capacity of the control terminal is saved.
In other embodiments, step S104 may be further implemented by:
step 2.1), transmitting the microwave map signal to a control terminal through a microwave map transmission module in the unmanned aerial vehicle, so that the control terminal evaluates and obtains a first signal intensity corresponding to the microwave map signal;
and 2.2), transmitting the cellular network signal to a control terminal through a cellular network module in the unmanned aerial vehicle so as to enable the control terminal to evaluate and obtain second signal intensity corresponding to the cellular network signal, wherein the microwave image transmission module and the cellular network module do not have a signal evaluation function.
In the practical application scene, in order to improve the reliability of signal transmission, the control terminal may evaluate the signal intensity of the corresponding signal sent by the microwave image transmission module and the cellular network module again, so as to ensure that the recognition and evaluation result of the signal intensity is more accurate.
In some embodiments, in order to save the power of the unmanned aerial vehicle or control the resources of the terminal, frequent switching operations on the unmanned aerial vehicle are not expected, and therefore, the method further includes:
step 3.1), if the first signal intensity and the second signal intensity are both within the preset signal intensity range, the original target communication mode is kept for communication.
Here, it should be noted that, in step S106, it may be understood that after the first signal strength and the second signal strength exceed the preset signal strength range and the difference between the two signal strengths exceeds the preset signal strength threshold, the communication mode is switched to the communication mode with the higher signal strength.
In some embodiments, before step S106, the method further includes:
step 4.1), determining a current to-be-selected communication mode according to the accuracy requirement of data transmission of the unmanned aerial vehicle;
because the image or video data with higher precision requirement needs to occupy larger transmission bandwidth, the microwave image transmission mode can be preferentially selected as the current to-be-selected communication mode. If the transmission data has a more general precision requirement, the cellular network communication mode can be used as the current to-be-selected communication mode.
And 4.2), judging whether the current to-be-selected communication mode is used as the target communication mode or not based on the signal strength corresponding to the current to-be-selected communication mode, and switching to the target communication mode.
The level of the signal strength of the current communication mode to be selected is estimated again to determine the final target communication mode to be switched. According to the process of the foregoing embodiment, it may be determined whether the signal strength of the current to-be-selected communication mode is within a preset signal strength range; if yes, determining the current communication mode to be selected as a target communication mode, and switching to the target communication mode; if the communication mode does not exist, comparing the signal intensity of the current communication mode to be selected with the signal intensity of the rest communication mode (if the current communication mode to be selected is microwave image transmission, the rest communication mode is a cellular network and vice versa), and selecting the communication mode with higher signal intensity as the target communication mode. It will be appreciated that the transmission of communication signals is guaranteed to be uninterrupted in preference to being able to meet the transmission accuracy requirements.
As an alternative embodiment, when the transmission accuracy requirement is high in order to ensure that the transmission signal is not interrupted, the method further includes:
step 5.1), if the accuracy requirement of the unmanned aerial vehicle transmission data reaches a preset accuracy threshold, and the first signal intensity and the second signal intensity are both in a preset signal intensity range, switching to a microwave image transmission communication mode with higher accuracy for communication.
In some practical applications, the method further comprises the following steps:
and 6.1), controlling corresponding operation of the unmanned aerial vehicle based on unmanned aerial vehicle transmission data received by a target communication mode.
The control terminal can control the unmanned aerial vehicle to fly to a corresponding position, collect images or spray pesticides and the like according to the transmission data received by the target communication mode. The control terminal may be an intelligent terminal of a worker, a ground station control terminal, or a control device integrated in the control terminal, etc., and may be capable of implementing the control function in the embodiment of the present invention, which is not limited herein.
According to the embodiment of the invention, the microwave image transmission and the cellular 4G/5G network are combined, and the unmanned aerial vehicle has the capabilities of image transmission and 4G/5G communication; and selecting a proper communication mode adaptively according to the signal intensity to transmit data and images. As an alternative embodiment, microwave image transmission communication can be preferentially used, high-definition video data transmission is guaranteed, when an unmanned aerial vehicle flies out of a microwave image transmission range or microwave image transmission is blocked due to physical shielding, the microwave image transmission signal intensity can be lowered, the mode is automatically switched to a 4G/5G cellular network communication mode, the transmission definition is adaptively lowered, the requirement of 4G/5G communication bandwidth is met, and the continuity of the transmission data is guaranteed.
In addition, the embodiment of the invention ensures the normal transmission of the unmanned aerial vehicle signal by combining the 4G/5G cellular network and the microwave image transmission, expands the operation range of the unmanned aerial vehicle, not only absorbs the advantage of high-definition image transmission in the range of the high-definition image transmission line of sight, but also utilizes the characteristic that the cellular network is not limited by the distance, thereby improving the utilization value of the unmanned aerial vehicle.
As shown in fig. 2, an embodiment of the present invention provides a communication device of an unmanned aerial vehicle based on microwave image transmission and cellular network, applied to unmanned aerial vehicle equipment, the device includes:
the acquisition module acquires the microwave image transmission signal and the cellular network signal in real time;
the evaluation module is used for respectively evaluating the microwave map transmission signal and the cellular network signal to obtain a first signal intensity corresponding to the microwave map transmission signal and a second signal intensity corresponding to the cellular network signal;
and the switching module is used for switching to a target communication mode with higher signal intensity in the first signal intensity and the second signal intensity for communication if the signal difference value between the first signal intensity and the second signal intensity exceeds a preset signal intensity threshold value.
According to the unmanned aerial vehicle communication device based on the microwave image transmission and the cellular network, which is provided by the embodiment of the invention, the switching of the communication mode with higher signal strength can be realized through the real-time monitoring of the microwave image transmission signal and the cellular network signal, so that the data transmission is not interrupted in the operation process of the unmanned aerial vehicle, and the operation efficiency of the unmanned aerial vehicle is higher.
In the embodiment of the present invention, the electronic device may be, but is not limited to, a personal computer (Personal Computer, PC), a notebook computer, a monitoring device, a server, and other computer devices with analysis and processing capabilities.
As an exemplary embodiment, referring to fig. 3, an electronic device 110 includes a communication interface 111, a processor 112, a memory 113, and a bus 114, the processor 112, the communication interface 111, and the memory 113 being connected by the bus 114; the memory 113 is used for storing a computer program supporting the processor 112 to execute the image sharpening method, and the processor 112 is configured to execute the program stored in the memory 113.
The machine-readable storage medium referred to herein may be any electronic, magnetic, optical, or other physical storage device that can contain or store information, such as executable instructions, data, or the like. For example, a machine-readable storage medium may be: RAM (Radom Access Memory, random access memory), volatile memory, non-volatile memory, flash memory, a storage drive (e.g., hard drive), any type of storage disk (e.g., optical disk, dvd, etc.), or a similar storage medium, or a combination thereof.
The non-volatile medium may be a non-volatile memory, a flash memory, a storage drive (e.g., hard drive), any type of storage disk (e.g., optical disk, dvd, etc.), or a similar non-volatile storage medium, or a combination thereof.
It can be understood that the specific operation method of each functional module in this embodiment may refer to the detailed description of the corresponding steps in the above method embodiment, and the detailed description is not repeated here.
The computer readable storage medium provided by the embodiment of the present invention stores a computer program, and when the computer program code is executed, the method for communicating an unmanned aerial vehicle based on microwave image transmission and cellular network according to any of the above embodiments may be implemented, and specific implementation may refer to a method embodiment and will not be described herein.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described system and apparatus may refer to corresponding procedures in the foregoing method embodiments, which are not described herein again.
In addition, in the description of embodiments of the present invention, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above examples are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, but it should be understood by those skilled in the art that the present invention is not limited thereto, and that the present invention is described in detail with reference to the foregoing examples: any person skilled in the art may modify or easily conceive of the technical solution described in the foregoing embodiments, or perform equivalent substitution of some of the technical features, while remaining within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention, and are intended to be included in the scope of the present invention.
Claims (9)
1. A method for unmanned aerial vehicle communication based on microwave image transmission and cellular network, characterized in that it is applied to unmanned aerial vehicle equipment, the method comprising:
acquiring a microwave map transmission signal and a cellular network signal in real time, wherein the microwave map transmission signal is used for transmitting video data with the accuracy requirement higher than an accuracy threshold value, and the cellular network signal is used for transmitting video data with the accuracy requirement lower than the accuracy threshold value;
respectively evaluating the microwave map transmission signal and the cellular network signal to obtain a first signal strength corresponding to the microwave map transmission signal and a second signal strength corresponding to the cellular network signal;
if the first signal intensity and the second signal intensity respectively exceed the preset signal intensity range and the signal difference value between the first signal intensity and the second signal intensity exceeds the preset signal intensity threshold, switching to a target communication mode with higher signal intensity in the first signal intensity and the second signal intensity for communication;
if the signal difference between the first signal strength and the second signal strength exceeds a preset signal strength threshold, before the step of switching to the target communication mode with higher signal strength in the first signal strength and the second signal strength for communication, the method further includes:
determining a current to-be-selected communication mode according to the accuracy requirement of data transmission of the unmanned aerial vehicle;
judging whether the current to-be-selected communication mode is used as the target communication mode or not based on the signal strength corresponding to the current to-be-selected communication mode, and switching to the target communication mode;
if the current to-be-selected communication mode is the microwave image transmission communication, when the unmanned aerial vehicle flies out of the microwave image transmission range or the transmission of the microwave image transmission is blocked due to physical shielding, the first signal intensity corresponding to the microwave image transmission is lower than the preset signal intensity range, and the communication is automatically switched to the cellular network communication.
2. The unmanned aerial vehicle communication method based on microwave map transmission and cellular network according to claim 1, wherein the step of evaluating the microwave map transmission signal and the cellular network signal to obtain a first signal strength corresponding to the microwave map transmission signal and a second signal strength corresponding to the cellular network signal, respectively, comprises:
evaluating the microwave map signal through a microwave map transmission module in the unmanned aerial vehicle to obtain a first signal strength corresponding to the microwave map signal;
and evaluating the cellular network signal through a cellular network module in the unmanned aerial vehicle to obtain a second signal strength corresponding to the cellular network signal.
3. The unmanned aerial vehicle communication method based on microwave map transmission and cellular network according to claim 1, wherein the step of evaluating the microwave map transmission signal and the cellular network signal to obtain a first signal strength corresponding to the microwave map transmission signal and a second signal strength corresponding to the cellular network signal, respectively, comprises:
the control terminal evaluates the microwave map signal and obtains a first signal intensity corresponding to the microwave map signal; the microwave map signaling signals are sent to the control terminal through a microwave map signaling module in the unmanned aerial vehicle equipment;
the control terminal evaluates the cellular network signal and obtains a second signal strength corresponding to the cellular network signal; the cellular network signal is sent to the control terminal through a cellular network module in the unmanned aerial vehicle device; the microwave image transmission module and the cellular network module have no signal evaluation function.
4. The unmanned aerial vehicle communication method based on microwave mapping and cellular network according to claim 1, wherein the method further comprises:
if the first signal intensity and the second signal intensity are both in the preset signal intensity range, the original target communication mode is kept for communication.
5. The unmanned aerial vehicle communication method based on microwave mapping and cellular network according to claim 1, wherein the method further comprises:
if the accuracy requirement of the unmanned aerial vehicle transmission data reaches a preset accuracy threshold, and the first signal intensity and the second signal intensity are both in a preset signal intensity range, switching to a microwave image transmission communication mode with higher accuracy for communication.
6. The unmanned aerial vehicle communication method based on microwave mapping and cellular network according to claim 1, wherein the method further comprises:
and controlling the unmanned aerial vehicle equipment to perform corresponding operation based on unmanned aerial vehicle transmission data received by the target communication mode.
7. An unmanned aerial vehicle communication device based on microwave image transmission and cellular network, which is applied to unmanned aerial vehicle equipment, the device includes:
the acquisition module is used for acquiring a microwave map transmission signal and a cellular network signal in real time, wherein the microwave map transmission signal is used for transmitting video data with the accuracy requirement higher than an accuracy threshold value, and the cellular network signal is used for transmitting video data with the accuracy requirement lower than the accuracy threshold value;
the evaluation module is used for respectively evaluating the microwave map transmission signal and the cellular network signal to obtain a first signal intensity corresponding to the microwave map transmission signal and a second signal intensity corresponding to the cellular network signal;
the switching module is used for switching to a target communication mode with higher signal intensity in the first signal intensity and the second signal intensity for communication if the first signal intensity and the second signal intensity respectively exceed the preset signal intensity range and the signal difference value between the first signal intensity and the second signal intensity exceeds a preset signal intensity threshold value;
the switching module is further configured to determine a current to-be-selected communication mode according to an accuracy requirement of data transmission of the unmanned aerial vehicle before performing the step of switching to a target communication mode with higher signal strength in the first signal strength and the second signal strength for communication if the signal difference between the first signal strength and the second signal strength exceeds a preset signal strength threshold; judging whether the current to-be-selected communication mode is used as the target communication mode or not based on the signal strength corresponding to the current to-be-selected communication mode, and switching to the target communication mode; if the current to-be-selected communication mode is the microwave image transmission communication, when the unmanned aerial vehicle flies out of the microwave image transmission range or the transmission of the microwave image transmission is blocked due to physical shielding, the first signal intensity corresponding to the microwave image transmission is lower than the preset signal intensity range, and the communication is automatically switched to the cellular network communication.
8. A drone device comprising a drone body, a memory, a processor, and a program stored on the memory and executable on the processor, the processor implementing the method of any one of claims 1 to 6 when the program is executed.
9. A computer readable storage medium, characterized in that the computer program is stored in the readable storage medium, which computer program, when executed, implements the method of any of claims 1-6.
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