CN113015129B - Cloud V2X communication method and storage medium - Google Patents
Cloud V2X communication method and storage medium Download PDFInfo
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- CN113015129B CN113015129B CN202110110602.2A CN202110110602A CN113015129B CN 113015129 B CN113015129 B CN 113015129B CN 202110110602 A CN202110110602 A CN 202110110602A CN 113015129 B CN113015129 B CN 113015129B
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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
- H04W4/02—Services making use of location information
- H04W4/029—Location-based management or tracking services
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
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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]
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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]
- H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
Abstract
The invention provides a cloud V2X communication method and a storage medium, wherein a P2P data interface is adopted to realize real-time information sharing among different interaction main bodies, a P2P data interface is adopted to establish a direct communication link of an automobile user side and peripheral object communication sides thereof based on a cloud server, the automobile user side is connected with at least 1 peripheral object communication side through the communication link to obtain real-time user information of at least 1 peripheral object communication side, and the server creates a new virtual object in a current map of the automobile user side according to the real-time user information, so that the information sharing of the cloud V2X is realized.
Description
Technical Field
The invention relates to the technical field of intelligent transportation, in particular to a cloud V2X communication method and a storage medium.
Background
Vehicle-mounted wireless communication technology (V2X) is a new generation of information communication technology for connecting a Vehicle with Everything, and is a generic name of a series of Vehicle-mounted communication technologies. V2X mainly includes several modes, such as Vehicle-to-Vehicle (V2V), vehicle-to-Infrastructure (V2I), vehicle-to-Pedestrian (V2P), vehicle-to-Network (V2N), and so on. V2X is a key technology of future intelligent traffic, and can obtain a series of traffic information such as real-time road conditions, road information, pedestrian information and the like through communication, improve driving safety, reduce congestion, improve traffic efficiency, provide vehicle-mounted entertainment information and the like.
Cellular internet of vehicles (C-V2X) technology is a global solution for V2X communication, aiming to support the improvement of car safety, automated driving and traffic efficiency. Current C-V2X has hardware limitations, and C-V2X can only send out information to devices supported by hardware. For pedestrians without C-V2X devices, this would not be predictable. On the other hand, the cost of hardware equipment is higher than that of software equipment, which is not favorable for V2X popularization.
Disclosure of Invention
In view of the above problems, the present technology innovatively provides a cloud V2X communication method and a storage medium, which do not depend on new V2X hardware, but only depend on popular cloud and network services. Any object that owns the web service will be supported, including the internet of things (IOT). The user only needs to send the current position or the planned route to the cloud end, and the cloud end is responsible for pairing according to the position, establishing network connection and returning to the user end. Users can observe the states of surrounding pedestrians/vehicles in real time by utilizing the P2P technology, and with the development of 5G, the network delay problem can be enough to meet the requirement of V2X.
Specifically, the cloud V2X communication method and the storage medium provided by the invention comprise the following steps:
s1: uploading current information of the automobile user side to a server;
s2: the server creates a new virtual object in the current map of the automobile user side according to the real-time user information
S3: the server adopts a P2P data interface to establish a direct communication link between the automobile user side and the communication sides of peripheral objects of the automobile user side;
s4: the server returns the established communication link;
s5: the automobile user end adopts the communication link to connect at least 1 peripheral object communication end, and obtains the real-time user information of the at least 1 peripheral object communication end.
Furthermore, the at least 1 peripheral object communication terminal at least comprises any one of a vehicle terminal, a pedestrian terminal and a traffic indicator light which are within a preset range from the automobile user terminal, and the real-time user information is shared in a wireless communication mode.
Furthermore, the current information of the automobile user side at least comprises current position information, target position information, driving direction and path planning information.
The real-time user information of the at least 1 peripheral object communication terminal at least comprises current position information, direction and distance information of the automobile user terminal.
Further, the S2 further includes:
s21: judging whether the distance between the current position information of the at least 1 peripheral object communication end and the automobile user end is within a preset range, and if so, adding the corresponding virtual object to a current map of the automobile user end; otherwise, not processing;
s22: and judging whether the distance between the communication end of the at least 1 peripheral object and the automobile user end exceeds the preset range within a preset time, if so, deleting the virtual object from the current map, and otherwise, not processing.
The current map at least comprises the current information of the automobile user terminal and the real-time user information of the communication terminal of the peripheral object connected with the current information of the automobile user terminal.
Furthermore, the current map also includes current road information and traffic information of the automobile user side.
The server is a cloud server.
As another preferred aspect, the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the cloud V2X communication method according to any one of claims 1 to 8.
Further, the storage medium is disposed at any mobile client, and is configured to support execution of the computer program, and implement connection between any vehicle client and the at least 1 peripheral object within the preset range thereof in a networked state, and obtain the current map of the vehicle client updated by the server in real time.
In summary, the present invention provides a cloud V2X communication method and a storage medium, in which a P2P data interface is used to implement real-time information sharing between different interaction subjects, a P2P data interface is used to establish a direct communication link between an automobile user side and a peripheral object communication side thereof based on a cloud server, the automobile user side is connected to at least 1 peripheral object communication side by using the communication link to obtain real-time user information of at least 1 peripheral object communication side, and the server creates a new virtual object in a current map of the automobile user side according to the real-time user information, thereby implementing information sharing of the cloud V2X.
Drawings
Fig. 1 is a schematic diagram of a cloud V2X communication method in an embodiment.
Fig. 2 is a schematic diagram of map and virtual vehicle information in a server according to an embodiment.
Detailed Description
A cloud V2X communication method and a storage medium according to the present invention will be described in further detail below with reference to specific embodiments and accompanying drawings.
The first embodiment is as follows:
the invention relates to a cloud V2X communication method (as shown in figure 1), which comprises the following steps:
s1: uploading current information of the automobile user side to a server;
s2: screening out real-time user information of the at least 1 peripheral object communication end within the preset range of the automobile user end, and creating a new virtual object in a current map of the automobile user end by a server according to the real-time user information;
s3: the server adopts a P2P data interface to establish a direct communication link between the automobile user side and the communication sides of peripheral objects of the automobile user side;
s4: the server returns the established communication link;
s5: the automobile user end adopts the communication link to connect at least 1 peripheral object communication end, and obtains the real-time user information of the at least 1 peripheral object communication end.
Furthermore, the at least 1 peripheral object communication terminal at least comprises any one of a vehicle terminal, a pedestrian terminal and a traffic indicator light which are within a preset range from the automobile user terminal, and the real-time user information is shared in a wireless communication mode.
Further, the current information of the automobile user side at least comprises current position information, target position information, driving direction and path planning information.
The real-time user information of the at least 1 peripheral object communication terminal at least comprises current position information, direction and distance information of the automobile user terminal.
Further, the S2 further includes:
s21: judging whether the distance between the current position information of the at least 1 peripheral object communication end and the automobile user end is within a preset range, and if so, adding the corresponding virtual object to a current map of the automobile user end; otherwise, not processing;
s22: and judging whether the distance between the communication end of the at least 1 peripheral object and the automobile user end exceeds the preset range within a preset time, if so, deleting the virtual object from the current map, and otherwise, not processing.
The current map at least comprises the current information of the automobile user terminal and the real-time user information of the communication terminal of the peripheral object connected with the current information of the automobile user terminal.
Furthermore, the current map also includes current road information and traffic information of the automobile user side.
The server is a cloud server.
As another preferred embodiment, the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the cloud V2X communication method according to any one of claims 1 to 8.
Further, the storage medium is disposed at any mobile client, and is configured to support execution of the computer program, and implement connection between any vehicle client and the at least 1 peripheral object within the preset range thereof in a networked state, and obtain the current map of the vehicle client updated by the server in real time.
Example two:
as another preferred example, the cloud V2X communication method and the storage medium described in the present invention do not rely on any fixed hardware, and implement cloud information interaction through the internet, specifically including:
the user needs to update the location to the server periodically to obtain the latest surrounding objects. The connection of P2P will also disconnect the old object as the new object is continuously connected.
Because the network has no distance limitation, the vehicle can be connected with a remote object in advance, and any crisis condition can be predicted in advance, so that the driving safety is ensured.
In addition, under the point-to-point technology, after the server establishes the link again, the server does not participate in the communication between the users, and the burden of the server is effectively reduced.
For better illustration, the following is further exemplified here, as shown in fig. 2, wherein, 1-host vehicle, 2-surrounding vehicle, 3-pedestrian, 4-traffic light, specifically:
suppose that a map of an urban area is established in advance on the server, and the map has all traffic lights, road sign information, lane driving directions and the like. All vehicles, pedestrians, traffic lights upload their status to the server. Because the traffic light is a fixed position, the traffic light only needs to upload the color state of the traffic light. The vehicle will upload the location, and the planned route (shown in dashed lines in fig. 2); pedestrians can upload positions; the road signs are invariant and therefore do not need to be uploaded, and are fixed in the map location when the map is built. All uploads are through the mobile device. When the vehicle and the pedestrian upload the positions, virtual objects, such as three vehicles and one pedestrian in the map, are established on the map. By using the information (position, planned path) of the peripheral objects, the server judges that the vehicle overlaps with other two vehicles and pedestrians at the intersection. Thus, the servers establish their communication links with each other. In addition, the corresponding traffic lights in front of the three vehicles can also be connected with each vehicle to send traffic light information. Meanwhile, the server also sends the road signs of the current lanes of the vehicles to the vehicles, such as speed limit and the like.
The link between vehicles is a link established by point-to-point technology (p 2 p). After the link is established, the server does not participate in the communication between the vehicles, and the communication is automatically sent to the two ends through the IP and the port of the established p2p link via the public network.
After the link is established, the vehicle (blue) can be used for receiving the positions, speeds, directions and path plans of pedestrians and red vehicles. Knowing that a pedestrian exists in front, the blue vehicle can slow down the vehicle; when approaching the intersection, the traffic light information can be received. Such as a norred light, is ready to stop. When the traffic light is damaged, the vehicle (blue) can know that the red vehicle approaches the intersection and can slow down the vehicle speed. Meanwhile, the road sign information returned by the server, such as the speed limit, informs the vehicle to control the speed. As the surrounding vehicles and pedestrians are changed continuously, when the vehicle (blue) leaves the intersection, the link with the two red vehicles is disconnected, and a new link is established by the server.
The above design will not rely on fixed hardware. Any equipment has network and positioning functions, can be used for realizing the V2X function, and the vehicle can exchange processing data with a remote vehicle by utilizing the network function, so that the distance limit of the V2X on hardware is broken, and pedestrian mobile equipment such as a mobile phone can also be used as the V2X function due to the convenience on the hardware. Most of the existing mobile devices, internet of things (IOT) have network functions. The cost of hardware is greatly reduced by using the existing equipment, thereby being beneficial to popularization. And the server integrates data, which is beneficial for the user side to check the road condition in real time.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (6)
1. A cloud V2X communication method is characterized by comprising the following steps:
s1: uploading current information of the automobile user side to a server;
the current information of the automobile user side at least comprises current position information, target position information, driving direction and path planning information;
s2: a map of an urban area is pre-established on a server, the map at least comprises all traffic lights, road sign information and lane driving directions, real-time user information of at least 1 peripheral object communication terminal in a preset range of the automobile user terminal is screened out, and the server creates a new virtual object in a current map of the automobile user terminal according to the real-time user information; the virtual object is a vehicle or a pedestrian;
s21: judging whether the distance between the current position information of the at least 1 peripheral object communication end and the automobile user end is within a preset range, and if so, adding the corresponding virtual object to a current map of the automobile user end; otherwise, not processing;
s22: judging whether the distance between the communication end of the at least 1 peripheral object and the automobile user end exceeds the preset range within a preset time, if so, deleting the virtual object from the current map, otherwise, not processing;
s3: the server adopts a P2P data interface to establish a direct communication link between the automobile user side and the communication sides of peripheral objects of the automobile user side;
s4: the server returns the established communication link;
s5: the automobile user side is connected with at least 1 peripheral object communication side by adopting the communication link to obtain the real-time user information of the at least 1 peripheral object communication side;
the at least 1 peripheral object communication end at least comprises any one of a vehicle end, a pedestrian end and a traffic indicator light which are within a preset range from the automobile user end, and the real-time user information of the vehicle end, the pedestrian end and the traffic indicator light is shared in a wireless communication mode;
the real-time user information comprises the color state of the traffic light, the current position and direction of the vehicle, the current position and direction of the pedestrian and the distance information between the communication end of each peripheral object and the automobile user end.
2. The cloud V2X communication method according to claim 1, wherein the current map at least includes current information of the vehicle user terminal and real-time user information of a communication terminal of a peripheral object connected to the current map.
3. The cloud V2X communication method according to claim 2, wherein the current map further includes current road information and traffic information of the vehicle user terminal.
4. The cloud V2X communication method of claim 3, wherein the server is a cloud server.
5. A computer-readable storage medium, on which a computer program is stored, which, when executed by a processor, implements the cloud V2X communication method according to any one of claims 1 to 4.
6. The storage medium of claim 5, wherein the storage medium is configured to be disposed at any mobile client, and is configured to support execution of the computer program and enable connection between any vehicle client and the at least 1 peripheral object within a preset range of the vehicle client in a networked state, and obtain the current map of the vehicle client updated by the server in real time.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102938199A (en) * | 2012-10-29 | 2013-02-20 | 苏州佳世达电通有限公司 | Traveling information sharing system and control method thereof |
| CN109413124A (en) * | 2017-08-17 | 2019-03-01 | 上海擎感智能科技有限公司 | Internet of Things control method and device, storage medium, terminal based on automobile |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI564745B (en) * | 2015-03-27 | 2017-01-01 | 物聯智慧科技（深圳）有限公司 | Peer-to-peer (p2p) connecting and establishing method and communication system using the same |
| CN108417087B (en) * | 2018-02-27 | 2021-09-14 | 浙江吉利汽车研究院有限公司 | Vehicle safe passing system and method |
| CN112187899B (en) * | 2020-09-18 | 2022-05-06 | 北京金山云网络技术有限公司 | Cloud hosting communication method, device and system, computer equipment and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102938199A (en) * | 2012-10-29 | 2013-02-20 | 苏州佳世达电通有限公司 | Traveling information sharing system and control method thereof |
| CN109413124A (en) * | 2017-08-17 | 2019-03-01 | 上海擎感智能科技有限公司 | Internet of Things control method and device, storage medium, terminal based on automobile |
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