CN113573281B - Temporary communication method and system based on unmanned aerial vehicle - Google Patents
Temporary communication method and system based on unmanned aerial vehicle Download PDFInfo
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- CN113573281B CN113573281B CN202111125884.XA CN202111125884A CN113573281B CN 113573281 B CN113573281 B CN 113573281B CN 202111125884 A CN202111125884 A CN 202111125884A CN 113573281 B CN113573281 B CN 113573281B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/46—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for vehicle-to-vehicle communication [V2V]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/18502—Airborne stations
- H04B7/18504—Aircraft used as relay or high altitude atmospheric platform
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/06—Airborne or Satellite Networks
Abstract
The invention provides a temporary communication method and system based on an unmanned aerial vehicle. Wherein the method comprises the following steps: s1, receiving an input instruction sent by the vehicle, wherein the input instruction is used for instructing the establishment of temporary communication with a target vehicle; s2, extracting the identity information of the target vehicle from the input command, determining the position information of the target vehicle based on the identity information, and arriving at the position information of the target vehicle; s3, determining the target flight attitude based on the input command; and S4, establishing communication connection with the target vehicle, and relaying data between the target vehicle and the vehicle. According to the scheme, the unmanned aerial vehicle is released to realize the targeted communication with the specific target vehicle, so that the defects of a broadcast workshop communication mode in the prior art are overcome.
Description
Technical Field
The invention relates to the technical field of workshop communication, in particular to a temporary communication method and system based on an unmanned aerial vehicle.
Background
With the development of the automobile industry, more and more vehicles are provided with communication terminals, wireless communication among vehicles, roads and vehicles and servers can be realized, and then a vehicle connection network can be built step by step, which is beneficial to implementation of intelligent driving. However, the conventional vehicle-to-vehicle communication technology is generally of a broadcast type, which results in that the transmitted target information is not targeted strongly, and the vehicle receives a large amount of useless information, which on one hand seriously interferes with the analysis of data by a processor and makes it difficult to obtain accurate analysis results, and on the other hand, also results in a large amount of occupied storage space.
Therefore, the workshop communication in the prior art has the defect that directional communication cannot be achieved, and needs to be solved urgently.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides a temporary communication method and system based on an unmanned aerial vehicle, so as to realize the directivity and pertinence of workshop communication, improve the communication efficiency and reduce the amount of useless data.
The invention provides a temporary communication method based on an unmanned aerial vehicle, which is applied to the unmanned aerial vehicle and comprises the following steps: s1, receiving an input instruction sent by the vehicle, wherein the input instruction is used for instructing the establishment of temporary communication with a target vehicle; s2, extracting the identity information of the target vehicle from the input command, determining the position information of the target vehicle based on the identity information, and arriving at the position information of the target vehicle; s3, determining the target flight attitude based on the input command; and S4, establishing communication connection with the target vehicle, and relaying data between the target vehicle and the vehicle.
Alternatively, the input instruction is transmitted by an in-vehicle terminal of the host vehicle or transmitted by a mobile terminal in the host vehicle.
Optionally, the identity information of the target vehicle includes license plate information or other descriptive information.
Optionally, the input instruction further includes the number of target vehicles and the driving intention of the host vehicle; in step S3, the determining the target flight attitude based on the input command includes: if the number of the target vehicles is 1, the target flight attitude comprises a target flight position and a first height, wherein the target flight position is the position of the target vehicles; if the number of the target vehicles is larger than 1, confirming the position of each target vehicle, determining a coverage area according to the position of each target vehicle, determining the target flight position based on the driving intention of the vehicle, determining a second height and a communication direction relative to the coverage area based on the coverage area and the target flight position, wherein the target flight attitude comprises the target flight position, the second height and the communication direction relative to the coverage area.
Optionally, the unmanned aerial vehicle and the target vehicle and the host vehicle communicate in different ways.
Optionally, the input instruction further includes a temporary communication disconnection condition; and when the unmanned aerial vehicle judges that the temporary communication disconnection condition is met, disconnecting the communication connection with the target vehicle.
Optionally, when the number of the target vehicles is greater than 1, the disconnecting the communication connection with the target vehicle when the drone determines that the temporary communication disconnection condition is satisfied includes: determining a first range and a second range in the coverage range, wherein the first range is closer to the flight position of the drone relative to the second range; when the temporary communication disconnection condition is judged to be met, the temporary communication connection with the target vehicle in the second range is disconnected, whether the driving intention of the vehicle is finished or not is judged through communication with the vehicle, and if yes, the temporary communication connection with the target vehicle in the first range is disconnected.
The invention provides a temporary communication system based on an unmanned aerial vehicle, which is applied to the unmanned aerial vehicle and comprises a processing module, a storage module, a first communication module and a second communication module, wherein the processing module is connected with the storage module, the first communication module and the second communication module; wherein the storage module stores executable program code, and the processing module calls the executable program code stored in the storage module to implement the method as described in any one of the previous items; the first communication module is used for being in communication connection with the vehicle, and the second communication module is used for being in communication connection with the target vehicle.
A third aspect of the present invention provides an electronic device applied to an unmanned aerial vehicle, including: a memory storing executable program code; a processor coupled with the memory; the processor calls the executable program code stored in the memory to implement the method of any of the preceding claims.
A fourth aspect of the invention provides a computer storage medium for use in a drone, the storage medium having a computer program stored thereon, the computer program when executed by a processor implementing the method of any of the preceding claims.
The invention has the beneficial effects that: according to the technical scheme, the unmanned aerial vehicle is released to realize the targeted communication with the specific target vehicle, so that the defects of a broadcast type workshop communication mode in the prior art are overcome. In addition, in the scheme of the invention, the unmanned aerial vehicle can adjust the number of target vehicles for establishing temporary communication by changing the flight height, so that the unmanned aerial vehicle can adapt to more application scenes.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic flow chart of a temporary communication method based on an unmanned aerial vehicle according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a temporary communication system based on an unmanned aerial vehicle according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. indicate an orientation or a positional relationship based on that shown in the drawings or that the product of the present invention is used as it is, this is only for convenience of description and simplification of the description, and it does not indicate or imply that the device or the element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
Example one
Referring to fig. 1, fig. 1 is a schematic flowchart of a temporary communication method based on an unmanned aerial vehicle according to an embodiment of the present invention. As shown in fig. 1, a temporary communication method based on an unmanned aerial vehicle according to an embodiment of the present invention is applied to an unmanned aerial vehicle, and the method includes: s1, receiving an input instruction sent by the vehicle, wherein the input instruction is used for instructing the establishment of temporary communication with a target vehicle; s2, extracting the identity information of the target vehicle from the input command, determining the position information of the target vehicle based on the identity information, and arriving at the position information of the target vehicle; s3, determining the target flight attitude based on the input command; and S4, establishing communication connection with the target vehicle, and relaying data between the target vehicle and the vehicle.
In the embodiment of the invention, the vehicle-mounted unmanned aerial vehicle takes off in response to the establishment requirement of temporary communication, identifies the target vehicle in the input instruction, further flies to a preset height above the target vehicle, and realizes the accompanying with the target vehicle, and at the moment, the unmanned aerial vehicle can establish temporary communication connection with the target vehicle and the vehicle to play a role in information transfer. Compared with a broadcast type workshop communication mode in the prior art, the invention has the advantages that the vehicle only needs to communicate with the unmanned aerial vehicle through a transfer channel, the defects of the broadcast type workshop communication mode are avoided, the single coverage of a specific target vehicle can be realized only by adjusting the unmanned aerial vehicle to a proper height, other non-target vehicles cannot receive communication connection signals, the directivity and pertinence of workshop communication are realized, the communication efficiency is improved, and the amount of useless data is greatly reduced.
Alternatively, the input instruction is transmitted by an in-vehicle terminal of the host vehicle or transmitted by a mobile terminal in the host vehicle.
In the embodiment of the invention, the unmanned aerial vehicle can be controlled by a vehicle-mounted terminal or a mobile terminal of an occupant in the vehicle, wherein the generation mode of the input instruction can be manual or automatic, for example, when the processing end of the vehicle judges that communication connection with surrounding vehicles needs to be established based on real-time navigation information, sensor detection information and the like, the input instruction can be automatically generated, and the unmanned aerial vehicle is triggered to go to establish temporary communication with a target vehicle.
Optionally, the identity information of the target vehicle includes license plate information or other descriptive information.
In the embodiment of the present invention, the target vehicle may be license plate information or other non-deterministic descriptive information, for example, a black honda SUV at the front left, a first vehicle in front of a white car at the front right, and the like, which enriches the input form of the vehicle identity information, and can meet more realistic scenes and requirements, for example, when a driver does not conveniently operate an input instruction and cannot confirm the license plate information of the target vehicle, the scheme of the identity descriptive information of the present invention is particularly suitable.
Optionally, the input instruction further includes the number of target vehicles and the driving intention of the host vehicle; in step S3, the determining the target flight attitude based on the input command includes: if the number of the target vehicles is 1, the target flight attitude comprises a target flight position and a first height, wherein the target flight position is the position of the target vehicles; if the number of the target vehicles is larger than 1, confirming the position of each target vehicle, determining a coverage area based on the position of each target vehicle, determining the target flight position based on the driving intention of the vehicle, and determining a second height and a communication direction relative to the coverage area based on the coverage area and the target flight position, wherein the target flight attitude comprises the target flight position, the second height and the communication direction relative to the coverage area.
In the embodiment of the invention, the number of target vehicles may be various based on different travel intents. When the target vehicle only has 1, this moment unmanned aerial vehicle can directly fly to establish temporary communication connection to this target vehicle top first height department can, wherein, first height is predetermine, can ensure to only realize the signal coverage to single vehicle at this height department. When a plurality of target vehicles exist, a coverage range is defined by the position of each target vehicle, so that the target vehicles are all in the coverage range, then, the target flight position of the unmanned aerial vehicle is determined based on the driving intention of the vehicle, finally, the unmanned aerial vehicle flies to the target flight position, and the temporary communication antenna is controlled to be aligned with the coverage range at the second height based on the communication direction, so that temporary communication connection is established with the target vehicles in the coverage range. For example, the driving intention of the host vehicle is to change lane to the right, which relates to the vehicle a in front of the host vehicle, the vehicle signs B and C on the right lane of the host vehicle, the communication content should be to request the vehicle a to accelerate or keep the vehicle speed to ensure no rear-end collision, request the vehicle B to decelerate or keep the vehicle speed, and request the vehicle C to accelerate to make way change space, and based on the driving intention, the target flight position of the unmanned aerial vehicle should be the front corresponding position of the right lane to which the host vehicle is to change lane, or may also be the center of the coverage composed of the vehicles A, B, C; as another example, the host vehicle is to change lane from the middle lane to the right to enter the ramp to leave the overhead, and then the involved vehicles involve the vehicle D, E, F on the ramp in addition to the vehicle A, B, C, so that the drone takes the position of the vehicle a as the target flight position, and controls the alignment of the temporary communication antenna to cover the range of the vehicles a-F after flying to the second height.
For the flight altitude, a comparison table of the altitude and the signal coverage can be established through experimental determination, and a relationship function can be obtained through fitting based on a plurality of groups of experimental determination data, which is not specifically limited in the present application.
Optionally, the unmanned aerial vehicle and the target vehicle and the host vehicle communicate in different ways.
In the embodiment of the present invention, in order to completely avoid the disadvantage of broadcast communication, the present invention sets the communication mode between the host vehicle and the drone to be different from the communication mode between the drone and the target vehicle, for example, a short-range communication technology (DSRC) is used between the drone and the target vehicle, and a mobile network communication technology (2G, 3G, 4G, 5G, etc.) or an optical communication technology is used between the host vehicle and the drone. Of course, other modes can be selected for communication between the vehicle and the unmanned aerial vehicle, as long as the mode is different from the conventional workshop communication mode.
Optionally, the input instruction further includes a temporary communication disconnection condition;
and when the unmanned aerial vehicle judges that the temporary communication disconnection condition is met, disconnecting the communication connection with the target vehicle.
In the embodiment of the invention, because the communication between the unmanned aerial vehicle and the target vehicle is temporary, the input instruction set by the invention also comprises a temporary communication disconnection condition, so that the communication connection with the target vehicle can be timely disconnected when the unmanned aerial vehicle judges that the temporary communication disconnection condition is met, and the data volume is further reduced. The temporary communication disconnection condition may be, for example, a time period for reaching the temporary communication, a reception of a temporary communication disconnection command of the host vehicle, and the like, which is not particularly limited in the present application.
Optionally, when the number of the target vehicles is greater than 1, the disconnecting the communication connection with the target vehicle when the drone determines that the temporary communication disconnection condition is satisfied includes: determining a first range and a second range in the coverage range, wherein the first range is closer to the flight position of the drone relative to the second range; when the temporary communication disconnection condition is judged to be met, the temporary communication connection with the target vehicle in the second range is disconnected, whether the driving intention of the vehicle is finished or not is judged through communication with the vehicle, and if yes, the temporary communication connection with the target vehicle in the first range is disconnected.
In the embodiment of the present invention, when the number of target vehicles is greater than 1, it should be batched when the temporary communication is disconnected, specifically: dividing the coverage area into a first range and a second range according to the distance, disconnecting the target vehicle in the farther second range, and continuing to maintain the communication connection with the target vehicle in the closer first range until the driving intention of the vehicle is judged to be finished. For example, the driving intention of the host vehicle is to change lane to the left, the driving intention relates to the vehicle a which is next to the left lane and the vehicle B which is in front of the host vehicle, so that the host vehicle needs to request the vehicle B in front of the host vehicle to accelerate to make room through the established temporary communication, then the vehicle a changes lane to the right to the space, and then the host vehicle can realize changing lane to the left; after the lane change of the host vehicle is completed, a temporary communication disconnection instruction may be sent to the unmanned aerial vehicle, at this time, since the vehicle B is already far away from the host vehicle, the threat to the host vehicle is small, and the possibility relating to the subsequent driving intention of the host vehicle is also small, the temporary communication with the vehicle B is disconnected first, while the vehicle a is still laterally adjacent to the host vehicle, and the subsequent driving behavior of the host vehicle may still need to communicate with the vehicle a, so the temporary communication connection with the vehicle a is temporarily maintained, and if the host vehicle sends the temporary communication disconnection instruction for the second time or the host vehicle does not send communication data for the second time or the temporary communication disconnection instruction for the second time, the unmanned aerial vehicle determines that the driving intention of the host vehicle is completed, and disconnects the temporary communication connection with the vehicle a.
In addition, as an improvement, the size of the first range is determined based on the variation intensity of the travel intention, that is, the size of the first range is positively correlated with the variation intensity of the travel intention.
In the embodiment of the present invention, when the strength of variation in the travel intention of the host vehicle is larger, the subsequent influence thereof on the vehicles around the host vehicle is stronger, and at this time, the temporary communication connection with the vehicle in the larger first range will be maintained. For example, when the driving intention of the vehicle changes to two lanes from left to left, the variation intensity of the driving intention is larger than that of the driving intention changing to only one lane from left, and the number of the peripheral vehicles related to the subsequent driving intention is more likely to increase, so that the first range is enlarged at the moment, the number of the target vehicles needing to keep communication connection is increased, the driving safety and the communication efficiency are ensured, and frequent disconnection/connection of temporary connection is avoided.
Example two
Referring to fig. 2, fig. 2 is a schematic structural diagram of a temporary communication system based on an unmanned aerial vehicle according to an embodiment of the present invention. As shown in fig. 2, the temporary communication system based on the drone, according to the embodiment of the present invention, is applied to the drone (100), and includes a processing module (101), a storage module (102), a first communication module (103), and a second communication module (104), where the processing module (101) is connected to the storage module (102), the first communication module (103), and the second communication module; wherein the storage module (102) stores executable program code, and the processing module (101) calls the executable program code stored in the storage module (102) to implement the method according to embodiment one; the first communication module (103) is used for being in communication connection with the vehicle, and the second communication module (104) is used for being in communication connection with the target vehicle.
In this embodiment, reference is made to the first embodiment for specific functions of the temporary communication system based on the unmanned aerial vehicle, and since the system in this embodiment adopts all the technical solutions of the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, which is not repeated herein.
EXAMPLE III
Referring to fig. 3, fig. 3 is an electronic device disclosed in the embodiment of the present invention, which is applied to the unmanned aerial vehicle described in the foregoing embodiment, and includes: a memory storing executable program code; a processor coupled with the memory; the processor calls the executable program code stored in the memory to implement the method according to embodiment one.
Example four
The embodiment of the invention also discloses a computer storage medium which is applied to the unmanned aerial vehicle in the embodiment; the storage medium has stored thereon a computer program which, when executed by a processor, implements the method according to the first embodiment.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention may be substantially or partially embodied in the form of a software product, where the computer software product is stored in a storage medium (e.g., a ROM (Read-Only Memory)/RAM (Random Access Memory), a magnetic disk, an optical disk) as described above, and includes several instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. A temporary communication method based on an unmanned aerial vehicle is applied to the unmanned aerial vehicle and is characterized in that: the method comprises the following steps: s1, receiving an input instruction sent by the vehicle, wherein the input instruction is used for instructing the establishment of temporary communication with a target vehicle; s2, extracting the identity information of the target vehicle from the input command, determining the position information of the target vehicle based on the identity information, and arriving at the position information of the target vehicle; s3, determining the target flight attitude based on the input command; s4, establishing communication connection with the target vehicle, and transferring data between the target vehicle and the vehicle;
the input instruction further comprises a temporary communication disconnection condition; disconnecting the communication connection with the target vehicle when the unmanned aerial vehicle judges that the temporary communication disconnection condition is met;
when the number of the target vehicles is greater than 1, the unmanned aerial vehicle disconnects the communication connection with the target vehicles when judging that the temporary communication disconnection condition is met, and the method includes: determining a first range and a second range in the coverage range, wherein the first range is closer to the flight position of the drone relative to the second range; when the temporary communication disconnection condition is judged to be met, the temporary communication connection with the target vehicle in the second range is disconnected, whether the driving intention of the vehicle is finished or not is judged through communication with the vehicle, and if yes, the temporary communication connection with the target vehicle in the first range is disconnected.
2. The temporary communication method based on the unmanned aerial vehicle as claimed in claim 1, wherein: the input instruction is sent by the vehicle-mounted terminal of the vehicle or sent by the mobile terminal in the vehicle.
3. The temporary communication method based on the unmanned aerial vehicle as claimed in claim 1, wherein: the identity information of the target vehicle includes license plate information or other descriptive information.
4. The temporary communication method based on the unmanned aerial vehicle as claimed in claim 1, wherein: the input instruction further comprises the number of target vehicles and the driving intention of the vehicle; in step S3, the determining the target flight attitude based on the input command includes: if the number of the target vehicles is 1, the target flight attitude comprises a target flight position and a first height, wherein the target flight position is the position of the target vehicles; if the number of the target vehicles is larger than 1, confirming the position of each target vehicle, determining a coverage area according to the position of each target vehicle, determining the target flight position based on the driving intention of the vehicle, determining a second height and a communication direction relative to the coverage area based on the coverage area and the target flight position, wherein the target flight attitude comprises the target flight position, the second height and the communication direction relative to the coverage area.
5. A temporary communication method based on unmanned aerial vehicles according to any one of claims 1-4, characterized in that: the unmanned aerial vehicle and the target vehicle and the communication mode between the unmanned aerial vehicle and the host vehicle are different.
6. A temporary communication system based on an unmanned aerial vehicle is applied to the unmanned aerial vehicle and comprises a processing module, a storage module, a first communication module and a second communication module, wherein the processing module is respectively connected with the storage module, the first communication module and the second communication module; the method is characterized in that: the storage module stores executable program code, and the processing module calls the executable program code stored in the storage module to realize the method according to any one of claims 1 to 5; the first communication module is used for being in communication connection with the vehicle, and the second communication module is used for being in communication connection with the target vehicle.
7. An electronic equipment, its unmanned aerial vehicle that is applied to includes: a memory storing executable program code; a processor coupled with the memory; the method is characterized in that: the processor calls the executable program code stored in the memory to implement the method of any one of claims 1-5.
8. A computer storage medium for use in an unmanned aerial vehicle, the storage medium having a computer program stored thereon, the computer program comprising: the computer program, when executed by a processor, implementing the method of any one of claims 1-5.
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