WO2022237634A1 - Procédé et dispositif de traitement d'informations et support de stockage informatique - Google Patents

Procédé et dispositif de traitement d'informations et support de stockage informatique Download PDF

Info

Publication number
WO2022237634A1
WO2022237634A1 PCT/CN2022/091123 CN2022091123W WO2022237634A1 WO 2022237634 A1 WO2022237634 A1 WO 2022237634A1 CN 2022091123 W CN2022091123 W CN 2022091123W WO 2022237634 A1 WO2022237634 A1 WO 2022237634A1
Authority
WO
WIPO (PCT)
Prior art keywords
information
vehicle
communication link
preset
cloud server
Prior art date
Application number
PCT/CN2022/091123
Other languages
English (en)
Chinese (zh)
Inventor
马潍
付沛沛
Original Assignee
长沙智能驾驶研究院有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 长沙智能驾驶研究院有限公司 filed Critical 长沙智能驾驶研究院有限公司
Publication of WO2022237634A1 publication Critical patent/WO2022237634A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/12—Avoiding congestion; Recovering from congestion
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present application belongs to the technical field of communication, and in particular relates to an information processing method, device and computer storage medium.
  • V2X Vehicle to Everything
  • Embodiments of the present application provide an information processing method, device, and computer storage medium, so as to solve the problem that it is often difficult to meet the timeliness of information transmission in the selection mode of the existing communication link.
  • the embodiment of the present application provides an information processing method, which is applied to a vehicle, and the method includes:
  • the embodiment of the present application provides an information processing method, which is applied to a cloud server, and the method includes:
  • the Q preset communication links include a target communication link, and Q is a positive value less than or equal to P integer.
  • the embodiment of the present application provides an information processing method, which is applied to a roadside unit, and the method includes:
  • the vehicle determines the second information requested by the first information, wherein the first information is the information sent by the vehicle through the first communication link, and the first communication link is through the cloud server , the roadside unit and the communication link formed by the sequential communication connection of the vehicle;
  • the second information is preset information
  • the second information is sent to the vehicle in response to the first information.
  • the embodiment of the present application provides a vehicle, including:
  • a first determining module configured to determine the delay requirement of the first information to be sent to the vehicle
  • the second determination module is used to determine the target communication link from the P preset communication links according to the delay requirement of the first information and the preset delay requirement communication link correspondence, where P is an integer greater than 1 ;
  • the first selecting and sending module is used to select Q preset communication links from the P preset communication links to send the first information to the vehicle, wherein the Q preset communication links include target communication links, Q is a positive integer less than or equal to P.
  • the embodiment of the present application provides a cloud server, which is characterized in that it includes:
  • a third determining module configured to determine the delay requirement of the second information to be sent to the vehicle
  • the fourth determination module is used to determine the target communication link from the P preset communication links according to the time delay requirement of the second information and the corresponding relationship between the preset time delay requirement communication links, where P is an integer greater than 1 ;
  • the second selection and sending module is used to select Q preset communication links from the P preset communication links to send the second information to the vehicle, wherein the Q preset communication links include target communication links, Q is a positive integer less than or equal to P.
  • the embodiment of the present application provides a roadside unit, including:
  • the fifth determination module is configured to determine the second information requested by the first information when the first information sent by the vehicle is received, wherein the first information is the information sent by the vehicle through the first communication link, and the first
  • the communication link is a communication link formed by sequential communication connections between the cloud server, the roadside unit and the vehicle;
  • the first sending module is configured to send the second information to the vehicle in response to the first information when the second information is preset information.
  • the embodiment of the present application provides an electronic device, and the device includes: a processor and a memory storing computer program instructions;
  • the processor executes the computer program instructions, the information processing method as shown in the first aspect is realized; or, the information processing method as shown in the second aspect is realized; or, the information processing method as shown in the third aspect is realized.
  • the embodiment of the present application provides a computer storage medium, on which computer program instructions are stored, and when the computer program instructions are executed by a processor, the information processing method as shown in the first aspect is implemented; or, the information processing method as shown in the first aspect is implemented; The information processing method shown in the second aspect; or, implement the information processing method shown in the third aspect.
  • the information processing method applied to the vehicle determines the delay requirement of the first information to be sent to the cloud server, and according to the delay requirement of the first information and the preset required communication link correspondence, from P A target communication link is determined from the preset communication links, and Q preset communication links including the target communication link are selected from the P preset communication links to send the first message to the cloud server.
  • the Q preset communication links selected for sending the first information include the target communication link, which helps to meet the delay requirement for transmitting the first information and ensures the timeliness of information transmission; Determining the target communication link according to the delay requirement can effectively allocate communication resources and reduce the congestion of the communication link.
  • FIG. 1 is a schematic structural diagram of a framework to which an information processing method provided by an embodiment of the present application can be applied;
  • FIG. 2 is a schematic structural diagram of a framework for implementing a V2N communication link in an embodiment of the present application
  • FIG. 3 is a schematic structural diagram of a framework for implementing an N2I&I2V communication link in an embodiment of the present application
  • FIG. 4 is a schematic flowchart of an information processing method applied to a vehicle provided in an embodiment of the present application
  • FIG. 5 is a schematic flowchart of an information processing method applied to a cloud server provided by an embodiment of the present application
  • FIG. 6 is a schematic flowchart of an information processing method applied to a roadside unit provided in an embodiment of the present application
  • Fig. 7 is a schematic diagram of the frame structure when the information processing method provided by the embodiment of the present application is applied to bus priority;
  • Fig. 8 is a schematic flow chart of the information processing method provided by the embodiment of the present application when it is applied to bus priority;
  • Fig. 9 is a schematic diagram of the frame structure when the information processing method provided by the embodiment of the present application is applied to provide green wave vehicle speed;
  • Fig. 10 is a schematic flow chart of the information processing method provided by the embodiment of the present application when it is applied to provide green wave vehicle speed;
  • FIG. 11 is a schematic diagram of the frame structure when the information processing method provided by the embodiment of the present application is applied to beyond-horizon perception;
  • FIG. 12 is a schematic flow diagram of the information processing method provided by the embodiment of the present application when it is applied to beyond-horizon perception;
  • Fig. 13 is a schematic structural diagram of a vehicle provided by an embodiment of the present application.
  • FIG. 14 is a schematic structural diagram of a cloud server provided by an embodiment of the present application.
  • Fig. 15 is a schematic structural diagram of a roadside unit provided by an embodiment of the present application.
  • FIG. 16 is a schematic structural diagram of an electronic device provided by an embodiment of the present application.
  • embodiments of the present application provide an information processing method, device, system, equipment, and computer storage medium.
  • the following firstly introduces the framework to which the information processing method provided by the embodiment of the present application can be applied.
  • FIG. 1 shows an example diagram of a framework in which the above-mentioned information processing method can be applied.
  • the framework shown in Figure 1 can include vehicles, cloud servers, and roadside units (Road Side Unit, RSU).
  • RSU Road Side Unit
  • the vehicle may be a connected vehicle.
  • the vehicle is equipped with an On Board Unit (OBU), and can communicate with external devices (such as an external vehicle, RSU or cloud server) through the OBU.
  • OBU On Board Unit
  • external devices such as an external vehicle, RSU or cloud server
  • the vehicle can adopt at least two wireless communication methods, for example, a wireless communication system based on Long Term Evolution-Vehicle (LTE-V) or dedicated short-range communication (Dedicated Short Range Communication, DSRC) can be used.
  • LTE-V Long Term Evolution-Vehicle
  • DSRC dedicated Short Range Communication
  • V2I Vehicle to Infrastructure
  • V2N Vehicle to Net
  • the vehicle can exchange information with the RSU, and based on the V2N communication, the vehicle can exchange information with the cloud server.
  • the RSU and the cloud server can also be connected by communication.
  • the two can be connected by wired communication connection methods such as optical fiber to ensure the reliability and timeliness of information exchange between the two .
  • the RSU and the cloud server may also be connected by wireless communication.
  • the vehicle communicates with the RSU based on V2I, and the RSU communicates with the cloud server to form a vehicle-RSU-cloud server (Net to Infrastructure&Infrastructure to vehicle, N2I&I2V) communication link; the other is that the vehicle is based on V2N directly communicates with the cloud server to form a communication link.
  • V2I Vehicle-RSU-cloud server
  • N2I&I2V Network to Infrastructure&Infrastructure to vehicle
  • N2I&I2V communication links can generally effectively guarantee the information transmission rate, but the communication range of a single RSU is relatively small.
  • the communication range of N2I&I2V is easily affected by the location distribution of RSUs.
  • the V2N communication coverage is relatively wide, but the V2N communication delay is not stable enough, and when the communication signal is poor, the delay can reach more than a second level.
  • the vehicle can upload the vehicle's motion status, location, vehicle type, vehicle path, and information detected by the vehicle's sensors (such as traffic accidents, obstacles, etc.) to the cloud server through the OBU.
  • the cloud server can send updated maps, traffic conditions, suggested vehicle speed, signal priority (such as the driving strategy of bus priority), signal machine timing scheme and other information to the vehicle terminal.
  • the cloud server can also be communicatively connected to road facilities for collecting road data, or road facilities that can generate road data.
  • the above framework may also include road facilities such as signal machines and roadside sensing facilities.
  • the signal machine and the roadside sensing facility can communicate with the cloud server, for example, it can be connected by a wired communication connection such as an optical fiber.
  • the cloud server can receive data from various terminals such as signals, roadside sensing facilities, and vehicles to implement some functional algorithms, such as bus priority algorithms, green wave speed suggestion algorithms, or over-the-horizon sensing algorithms, etc.
  • bus priority algorithms such as bus priority algorithms, green wave speed suggestion algorithms, or over-the-horizon sensing algorithms, etc.
  • green wave speed suggestion algorithms or over-the-horizon sensing algorithms, etc.
  • Figure 2 is a schematic diagram of the communication between the vehicle and the cloud based on the V2N communication link under the framework including the signal machine and the roadside sensing facility; Under the framework of perception facilities, the schematic diagram of the communication between the vehicle and the cloud based on the N2I&I2V communication link.
  • the signal machine may be road facilities such as traffic lights.
  • the signal machine can send traffic light phase and timing information to the cloud server, and the cloud server can also send adjustment instructions to adjust the traffic light phase and timing scheme.
  • Roadside perception facilities may include roadside intelligent perception devices, such as lidar, millimeter-wave radar, or cameras. These roadside intelligent sensing devices can send the collected raw sensing data (such as pictures, videos, etc.) to the cloud server.
  • roadside intelligent perception devices such as lidar, millimeter-wave radar, or cameras. These roadside intelligent sensing devices can send the collected raw sensing data (such as pictures, videos, etc.) to the cloud server.
  • the roadside sensing facility may also include an edge computing unit (Mobile Edge Computing, MEC), and the MEC may set corresponding functional algorithms as required.
  • MEC can detect the traffic flow based on the image data collected by the camera, calculate the vehicle speed based on the perception data collected by the millimeter-wave radar, or can also fuse the image data with the point cloud data collected by the lidar to detect obstacles in the road. identification etc.
  • MEC can directly process the original sensing data collected by roadside intelligent sensing devices, obtain some sensing processing or fusion results, and further send them to the cloud server to save the computing resources of the cloud server.
  • the cloud server can also send data to the MEC, including map updates, real-time traffic conditions and other information.
  • RSU can directly interact with vehicles within its communication range, obtain vehicle driving data, such as position, speed, attitude, etc., and send these vehicle driving data to the cloud server .
  • RSU can obtain various types of roadside data (such as the above-mentioned raw sensing data, sensing processing or fusion results) from roadside sensing facilities, and can further send these roadside data to cloud servers or vehicles.
  • Fig. 4 shows a schematic flowchart of an information processing method provided by an embodiment of the present application.
  • the information processing method can be applied to a cloud server.
  • information processing methods include:
  • Step 401 determining the delay requirement of the first information to be sent to the cloud server
  • Step 402 Determine the target communication link from the P preset communication links according to the delay requirement of the first information and the corresponding relationship between the preset delay requirement communication links, where P is an integer greater than 1;
  • Step 403 select Q preset communication links from the P preset communication links to send the first message to the cloud server, wherein, the Q preset communication links include a target communication link, and Q is less than or A positive integer equal to P.
  • the vehicle can upload the vehicle's motion status, location, vehicle type, vehicle path, and information detected by the vehicle's sensors (such as traffic accidents, obstacles, etc.) to the cloud server through the OBU.
  • the first message sent to the cloud server.
  • the first information may correspond to regular information sent by the vehicle to the cloud server actively, or may be specific information sent to the cloud server by the vehicle in response to a request sent by the cloud server.
  • the vehicle can continuously send its own motion status and location information to the cloud server during driving.
  • the vehicle may also receive a request from the cloud server for acquiring pictures collected by the vehicle, and respond to these requests by sending pictures to the cloud server.
  • a human-computer interaction device may be installed in the vehicle, and after receiving the user's input in the human-computer interaction device, the vehicle may respond to the input and send a corresponding request to the cloud server.
  • the motion state, picture or request sent to the cloud server above can be considered as the first information.
  • each piece of first information may have a corresponding delay requirement.
  • the delay requirement can be understood as a requirement for the timeliness of information transmission.
  • the first information with higher delay requirements has higher delay sensitivity and may need to ensure a smaller transmission delay; on the contrary, the first information with lower delay requirements has lower delay sensitivity and can be received Relatively high transmission delay.
  • first information may have different delay requirements. For example, for the first information used to request weather information, the time delay requirement may be relatively low; while for the first information used to request the driving strategy, the time delay requirement may be relatively high.
  • first information may also be affected by some conditions and have different delay requirements.
  • a vehicle when a vehicle is normally driving on a highway, it may send first information such as its own position and speed to the cloud server. If the highway is in good condition and there are fewer vehicles, these first information can have a lower delay Require.
  • the vehicle When the vehicle is about to drive to a certain traffic light intersection, there may be many vehicles and pedestrians at the intersection, and it is required to send the first information such as its own position and speed to the cloud server as soon as possible, so as to obtain the driving strategy in time and avoid safety accidents.
  • the first information may have a relatively high delay requirement.
  • the determination of the delay requirement of the first signal may also consider the type of the vehicle, etc., and no examples are given here.
  • different delay requirements may correspond to different identifiers (such as “high”, “medium”, “low”, etc.), or correspond to different priorities, or correspond to different scores, and so on.
  • different communication links can be associated with different delay requirements.
  • the cloud server can establish multiple preset communication links with the vehicle, that is, the cloud server can have the aforementioned P preset communication links.
  • the cloud server can also preset the communication link correspondence between delay requirements, wherein the preset communication links corresponding to various delay requirements can be recorded.
  • the target communication link can be determined from the P preset communication links.
  • the target communication link is usually matched to the delay requirement of the first message.
  • a default communication link A and a default communication link B can be established between the cloud server and the vehicle.
  • the time delay brought by the preset communication link A is lower than the time delay brought by the preset communication link B.
  • the preset communication link A When the time delay requirement of the first information is "high”, according to the preset time delay requirement communication link correspondence, the preset communication link A can be determined as the target communication link; when the time delay requirement of the first information When it is "low”, according to the preset time delay requirement communication link correspondence, the preset communication link B can be determined as the target communication link.
  • the target communication link can be regarded as a preset communication link that the vehicle needs to use to send the first message.
  • the preset communication link used for sending the first information may be only the target communication link, or may be multiple preset communication links including the target communication link.
  • At least one preset communication link (that is, the aforementioned Q preset communication links) can be selected from the above-mentioned P preset communication links to send the second communication link to the cloud server.
  • a message, and the Q preset communication links include the target communication link.
  • Q preset communication links for sending the first information to the vehicle are selected.
  • the Q preset communication links include the target communication link, which helps to meet the requirements for transmitting the first information.
  • Delay requirements ensure the timeliness of information transmission; on the other hand, in some cases, it is not limited to using a single target communication link for the transmission of the first information, so that the reliability of information transmission can be effectively guaranteed.
  • the P preset communication links include a preset communication link A and a preset communication link B, and when the default communication link A is determined as the target communication link, the preset communication link can continue to be obtained. Assuming factors such as the signal strength of communication link B or the degree of channel congestion, the signal strength of communication link B is relatively high (for example, higher than a certain strength threshold), or the degree of channel congestion is low (for example, lower than a certain congestion threshold) At the same time, the preset communication link B can also be used to send the first information at the same time, so as to improve the reliability of the first information transmission.
  • the preset communication link A is determined as the target communication link, factors such as the signal strength of the preset communication link A or the degree of channel congestion can also be obtained. If the signal strength of the communication link A is low, Or when the channel congestion is relatively high, the preset communication link B can also be used to transmit the first information, so as to ensure the reliability of the first information transmission.
  • Q preset communication links can be selected from P preset communication links according to the working status of each preset communication link (such as signal strength or channel congestion level, etc.). road.
  • the location information of the vehicle (such as whether the vehicle is about to leave the RSU communication coverage area, or whether it is about to enter an area with weak 5G signal strength) and other factors can also be used to select Q preset communication links. Road, I will not list them here.
  • some preset communication links may also be fixedly added to the aforementioned Q preset communication links.
  • the target communication link is the aforementioned preset communication link A or the preset communication link B
  • the default communication link A can be fixedly added to the aforementioned Q preset communication links.
  • the information processing method applied to the vehicle determines the delay requirement of the first information to be sent to the cloud server, and according to the delay requirement of the first information and the preset required communication link correspondence, from P A target communication link is determined from the preset communication links, and Q preset communication links including the target communication link are selected from the P preset communication links to send the first message to the cloud server.
  • the Q preset communication links selected for sending the first information include the target communication link, which helps to meet the delay requirement for transmitting the first information and ensures the timeliness of information transmission; Determining the target communication link according to the delay requirement can effectively allocate communication resources and reduce the congestion of the communication link.
  • the vehicle can determine the target communication link while sending the first information.
  • the timing of sending information from the cloud server can be controlled by the vehicle, without the need for the cloud server to send information in real time, reducing the computing power consumption of the cloud server; on the other hand, the target communication link can also be determined according to the actual needs of the vehicle, Improve the rationality of the target communication link.
  • the P preset communication links include a first communication link and a second communication link, wherein the first communication link is a communication link formed by sequential communication connections between a cloud server, a roadside unit, and a vehicle. link; the second communication link is a communication link formed by communicating with the vehicle through the cloud server.
  • the cloud server and the RSU can be connected through a wired communication connection such as optical fiber, which can effectively ensure the speed and reliability of data transmission.
  • the RSU and the OBU of the vehicle can realize the V2I direct connection communication mode based on LTE-V or DSRC, which can realize accurate real-time interaction of data and effectively meet the transmission requirements of data with high delay sensitivity (high delay requirements).
  • the communication range of V2I is limited by the range of wireless communication such as LTE-V.
  • a single RSU generally covers about 500m in an urban area, and can cover 1-2 intersections at most. Therefore, in an occasion where the distribution of RSUs is not good (such as a small number and a low density), it may be difficult to continuously establish a V2I communication connection.
  • the first communication link is a communication link formed by successive communication connections between the cloud server, the roadside unit, and the vehicle, which constitutes the above-mentioned N2I&I2V communication link.
  • the N2I&I2V communication link can effectively meet the transmission requirements of data with high delay sensitivity, but it is easily limited by the communication range.
  • the V2N communication method between the cloud server and the vehicle can also be realized based on 4G or 5G, which corresponds to the above-mentioned second communication link. Contrary to the first communication link, the second communication link can effectively ensure the communication connection between the cloud server and the vehicle. However, the communication delay of V2N is unstable. When the signal is poor, the delay can reach more than seconds.
  • the P preset communication links include the first communication link and the second communication link.
  • the two preset communication links can be used at the same time, or between the two. switch.
  • the cloud server and the vehicle can realize the dual-link communication of V2N and N2I&I2V. These two communication links can always work at the same time.
  • the data of the N2I&I2V link can be used preferentially; when the communication function fails, the data of the V2N can be used to complement, fuse or replace; it can also only run N2I&I2V when the function is normal.
  • the V2N communication link is activated immediately, and the data of the two communication links are complemented, fused or replaced, so as to effectively ensure the communication reliability between the cloud server and the vehicle.
  • the P preset communication links can also include the form of cloud server-vehicle A-vehicle B. communication links, etc.
  • step 401 determining the delay requirement of the first information to be sent to the cloud server, may include at least one of the following:
  • the location information of the vehicle is acquired, and the delay requirement of the first information is determined according to the location information.
  • the information type of the first information may be regarded as the application function of the first information.
  • the vehicle may determine the delay requirement of the first information according to the sensitivity of the application function of the first information to time.
  • the application function of the first information may be to request information such as weather and road condition news from the cloud server.
  • These application functions may be relatively insensitive to time. Delay requirements are determined to be lower.
  • the application function of the first information is to request the cloud server to pass the green wave speed at the intersection of traffic lights in front, or the fire engine to request to pass the intersection quickly, etc.
  • These application functions are relatively time-sensitive, and correspondingly, you can The latency requirement for these types of first information is determined to be high.
  • the corresponding time delay requirements may also be affected by different factors.
  • a vehicle sends a request for obtaining road information to a cloud server.
  • the request is sent when the vehicle attempts to change lanes, the corresponding delay requirement may be relatively high.
  • the request is to acquire the road conditions of the candidate path 10 km ahead of the vehicle, the corresponding delay requirement is relatively low.
  • the determination may be made in combination with factors such as the information type of the first information and the state of the vehicle.
  • the determination of the delay requirement of the first information may also simply consider the position information of the vehicle. For example, when the vehicle is currently at a traffic light intersection, a higher delay requirement may be determined for the first information; and when the vehicle is currently at a high-speed smooth driving section, a lower delay requirement may be determined for the first information.
  • step 403 above selects Q preset communication links from the P preset communication links to send the first information to the cloud server, the method further includes:
  • the first preset communication link When it is detected that the channel congestion degree of the first preset communication link is higher than the channel congestion threshold, the first preset communication link is removed from the Q preset communication links, and the first preset communication link is Q A default communication link other than the target communication link among the default communication links.
  • the preset communication link selected for sending the first information may not only include the target communication link determined based on consideration of delay requirements, but may also include other preset communication links.
  • the first information is the real-time motion state of the vehicle, and the vehicle will continuously send the real-time motion state to the cloud server.
  • the determined target communication link is the above-mentioned first communication link, but in the process of sending the first message, the first communication link and the second communication link may be used at the same time.
  • the second communication link here may correspond to the above-mentioned first default communication link.
  • the use of the second communication link to send the first information may be cancelled.
  • the second communication link is removed from the Q preset communication links used to send the first information.
  • step 403 above selects Q preset communication links from the P preset communication links to send the first information to the cloud server, the method further includes:
  • the target communication link In the case of detecting that the target communication link is abnormal, update the target communication link, wherein the updated target communication link is a preset communication among the P preset communication links except the target communication link before updating link.
  • the determined target communication link is the above-mentioned first communication link
  • the first communication link fails, or the data transmission delay is obvious If the delay is higher than normal, the communication link for sending the first message may be switched.
  • the target communication link when the above P is greater than 1, if the target communication link is in an abnormal state, for example, when the vehicle cannot exchange information with the cloud server through the first communication link, it can continue to communicate with the cloud server through the second communication link.
  • the server sends the first information to implement complementation, fusion or replacement of the first information.
  • the first communication link returns to normal, the first communication link can be reused to transmit the first information.
  • the target communication link can be updated, for example, the target communication link is updated from the first communication link to the second communication link.
  • the re-determined P preset communication links include the second communication link, that is, the vehicle can use the second communication link to send the first information to the cloud server, thereby ensuring the reliability of the first information transmission.
  • the embodiment of the present application also provides an information processing method applied to a cloud server, including:
  • Step 501 determining the delay requirement of the second information to be sent to the vehicle
  • Step 502 Determine the target communication link from the P preset communication links according to the delay requirement of the second information and the corresponding relationship between the preset delay requirement communication links, where P is an integer greater than 1;
  • Step 503 select Q preset communication links from the P preset communication links to send the second information to the vehicle, wherein, the Q preset communication links include the target communication link, and Q is less than or equal to A positive integer of P.
  • the cloud server can send information such as driving strategy and road conditions to the vehicle, which is generally pre-stored by the cloud server, or obtained after processing some input data.
  • the information can be regarded as the second information to be sent to the vehicle.
  • the second information may correspond to conventional information actively sent by the cloud server to the vehicle, or may correspond to customized information sent to the vehicle by the cloud server in response to a request sent by the vehicle.
  • the cloud server can actively send information such as weather, road obstacles, traffic accidents or congestion information to vehicles.
  • the cloud server may receive a priority traffic request sent by a vehicle (such as a delayed bus or a fire engine in operation), generate a driving strategy in response to the priority traffic request, and send the driving strategy to the vehicle.
  • a vehicle such as a delayed bus or a fire engine in operation
  • the second information may also have a corresponding delay requirement.
  • different types of second information may have different delay requirements.
  • the delay requirement may be relatively low; and for second information such as vehicle driving strategy, the delay requirement may be relatively high.
  • the second information of the same type may also be affected by some conditions and have different delay requirements.
  • the cloud server may send information about obstacles 10km ahead to the vehicle (for example, roadblocks set up in the road due to construction of some lanes), and the vehicle is far away from the obstacle at this time.
  • the obstacle information may have a relatively low delay requirement.
  • the cloud server needs to send the obstacle information at this time, the pedestrians at the intersection that may be indicated, etc. In order to avoid safety accidents, the obstacle information at this time can have a high delay. Require.
  • the determination of the delay requirement of the above-mentioned first signal may also consider the vehicle type, the delay requirement of the message sent by the vehicle to the cloud server, etc. No examples are given here.
  • the cloud server can establish multiple preset communication links with the vehicle, that is, the cloud server can have the aforementioned P preset communication links.
  • the cloud server can also preset the communication link correspondence between delay requirements, wherein the preset communication links corresponding to various delay requirements can be recorded.
  • the target communication link can be determined from the P preset communication links.
  • the target communication link is usually matched to the delay requirement of the second message.
  • the target communication link can be regarded as a preset communication link that the cloud server needs to use to send the second information.
  • the preset communication link used for sending the second information may be only the target communication link, or may be multiple preset communication links including the target communication link.
  • At least one preset communication link (that is, the aforementioned Q preset communication links) can be selected from the aforementioned P preset communication links to send the second communication link to the vehicle.
  • the Q preset communication links include the target communication link.
  • Q preset communication links for sending the second information to the vehicle are selected.
  • the Q preset communication links include the target communication link, which helps to meet the requirements for transmitting the second information.
  • Delay requirements ensure the timeliness of information transmission; on the other hand, in some cases, it is not limited to using a single target communication link for the transmission of the second information, so that the reliability of information transmission can be effectively guaranteed.
  • the information processing method applied to the cloud server determines the delay requirement of the second information to be sent to the vehicle, and according to the delay requirement of the second information and the preset required communication link correspondence, from P A target communication link is determined from the preset communication links, and Q preset communication links including the target communication link are selected from the P preset communication links to send the second information to the vehicle.
  • the Q preset communication links selected for sending the second information include the target communication link, which is helpful to meet the delay requirement for transmitting the second information and ensure the timeliness of information transmission; Determining the target communication link according to the delay requirement can effectively allocate communication resources and reduce the congestion of the communication link.
  • the P preset communication links include a first communication link and a second communication link
  • the first communication link is a communication link formed by sequential communication connections between the cloud server, the roadside unit and the vehicle;
  • the second communication link is a communication link formed by the cloud server and the vehicle communication connection.
  • the information processing method may further include:
  • the first preset communication link When it is detected that the channel congestion degree of the first preset communication link is higher than the channel congestion threshold, the first preset communication link is removed from the Q preset communication links, and the first preset communication link is Q A default communication link other than the target communication link among the default communication links.
  • the information processing method further includes:
  • the target communication link In the case of detecting that the target communication link is abnormal, update the target communication link, wherein the updated target communication link is a preset communication among the P preset communication links except the target communication link before updating link.
  • the target communication link when P is equal to 1, if the target communication link is in an abnormal state, the target communication link can be updated, for example, the target communication link is updated from the first communication link to the second communication link road.
  • the re-determined P preset communication links include the second communication link, that is, the cloud server can use the second communication link to send the second information to the vehicle, thereby ensuring the reliability of the second information transmission.
  • the information processing method may further include:
  • Second information is generated based on vehicle information and/or road information.
  • the vehicle information may include one or more items of information such as vehicle position, vehicle attitude, vehicle speed, and vehicle route planning.
  • the road facility may be a traffic signal or a roadside sensing facility.
  • the road information sent by the signal machine can be the traffic light phase and timing information corresponding to the intersection where the signal machine is located;
  • the roadside sensing facilities can include roadside intelligent sensing equipment and MEC, etc., and the road information sent by the roadside intelligent sensing equipment
  • the information can be images or videos of the road, etc.; while the road information sent by MEC can be the traffic flow on the road, traffic accidents, etc.
  • the second information may be generated according to vehicle information and/or road information.
  • the cloud server can receive vehicle location information and vehicle route planning information sent by the vehicle, determine whether the vehicle currently deviates from the planned route, and further generate and send relevant prompt information (ie, second information) to the vehicle.
  • relevant prompt information ie, second information
  • the cloud server can receive the video of the far ahead traffic status sent by the roadside sensing facility, and intercept the video and forward it to the vehicle; at this time, the generated second information can be regarded as the intercepted video, etc.
  • the cloud server can receive the vehicle location information and vehicle speed information sent by the vehicle, and receive the traffic light phase and timing information sent by the signal machine. Based on these information, a suggested speed can be generated and sent to the vehicle. The suggested speed can make the vehicle Pass the relevant intersection as quickly as possible with less parking.
  • the suggested vehicle speed here can be regarded as the above-mentioned second information.
  • the cloud server can receive information from different terminals and generate second information based on the information, which helps to enrich the types of second information and improve the communication effect between the cloud server and the vehicle.
  • the information processing method before step 501, before determining the delay requirement of the second information to be sent to the vehicle, the information processing method further includes:
  • Receive vehicle information including vehicle location information and vehicle route planning information
  • the road information includes the operation information of N signal machines, N is an integer greater than 1, and the road facilities include signal machines;
  • the second information includes at least one of the first planned speed and the second planned speed
  • the first planned speed is the planned speed obtained according to the vehicle position information and the operation information of N signal machines
  • the second planned speed is obtained according to the vehicle position information The planned speed obtained from the position information and the operation information of the target signal, where the target signal is the signal that matches the vehicle position information among the N signals.
  • the cloud server can receive vehicle information and road information to plan the driving speed of the vehicle.
  • the cloud server can receive the vehicle location information and vehicle route planning information sent by the vehicle, so as to determine the N traffic light intersections that the vehicle will experience in the future.
  • the cloud server communicates with traffic lights and other types of road facilities. Therefore, the cloud server can further obtain the operation information of the signals at the N traffic light intersections, for example, the phase and timing information of each signal.
  • the cloud server can determine an overall planned speed and send it to the vehicle based on the location information of the vehicle and the operation information of the N signals, so that the vehicle can pass through the N traffic light intersections without stopping.
  • the overall planned vehicle speed corresponds to the above-mentioned first planned speed.
  • the cloud server can also determine the next traffic light intersection that the vehicle will pass through according to the location information of the vehicle, and obtain the operation information of the signal machine at the traffic light intersection, that is, obtain the operation information of the target signal machine.
  • the position information of the vehicle and the operation information of the target signal machine a more accurate planned speed can be determined and sent to the vehicle, so that the vehicle can pass through the traffic light intersection more smoothly.
  • this relatively precise planned vehicle speed corresponds to the above-mentioned second planned vehicle speed.
  • the cloud server can generate the first planned vehicle speed and/or the second planned vehicle speed and send them to the first vehicle as needed, so as to reduce the number of vehicle starts and stops, which in turn contributes to energy saving, emission reduction, environment optimization, Improve driving experience.
  • the above road information may also include road speed limit information.
  • the acquisition of the first planned vehicle speed and the second planned vehicle speed may further consider road speed limit information.
  • the second information of the first planned vehicle speed and/or the second planned vehicle speed can determine a target communication link corresponding to a higher delay requirement, so as to provide the planned vehicle speed to the vehicle in a more timely manner and improve driving experience.
  • the operating status of the signal machine such as the phase and timing scheme can be adjusted. To clear the relevant roads as soon as possible.
  • generating the second information according to the vehicle location information and road information may include:
  • second information and third information are generated, wherein the second information matches the third information, and the third information is used to adjust the operating state of the associated traffic signal.
  • the information processing method further includes:
  • the third message is sent to the associated signal.
  • the second information may include the above-mentioned first planned speed or second planned speed, and the like. In some application scenarios, the second information may also include a replanned path and the like.
  • the third information can be used to adjust the operating state of the relevant signal machine.
  • vehicles may need to pass through multiple traffic light intersections, and the adjustment strategies for the operation status of traffic lights at different traffic light intersections may be different. Therefore, there is usually an association relationship between the third information and the signal machine.
  • the adjustment strategy of the signal at the first traffic light intersection that the vehicle is about to pass may be to adjust to a green light after 5s
  • the adjustment strategy of the signal at the second traffic light intersection that the vehicle is about to pass through may be to keep the green light after 20s.
  • the third information may be sent to the associated signal machine.
  • the relationship between the third information and the traffic signal it may be obtained by processing the vehicle location information and road information by the cloud server.
  • the second information and the third information may be matched with each other.
  • the third information is used to control the signal machine at the first traffic light intersection to adjust to a green light after 10s, and according to the planning speed indicated by the second information, the vehicle may arrive at the traffic light intersection within 5s; at this time , the vehicle may not be able to quickly pass through the traffic light intersection, and the second information and the third information may be considered to be mismatched.
  • the second information and the third information match each other, and generally the vehicle and the traffic signal can be coordinated so that the vehicle can quickly pass through the intersection where the traffic signal is located.
  • the cloud server may generate the second information according to the vehicle information sent by the vehicle. Therefore, in some feasible implementation manners, the delay requirement of the second information may be determined according to the vehicle information sent by the vehicle.
  • step 501 determining the delay requirement of the second information to be sent to the vehicle, may include at least one of the following:
  • Determining the delay requirement of the second information according to the information type of the second information is actually similar to the method of determining the delay requirement of the first information according to the information type of the first information in the above embodiment, and details are not described here.
  • the vehicle can also have relevant communication link selection logic, for example, when the vehicle is in some complicated road conditions and sends vehicle information to the cloud server, or the vehicle needs to send some specific information to the cloud server.
  • relevant communication link selection logic for example, when the vehicle is in some complicated road conditions and sends vehicle information to the cloud server, or the vehicle needs to send some specific information to the cloud server.
  • a communication link that can meet high latency requirements may be actively selected.
  • the vehicle information or specific request here can be regarded as the first information sent by the vehicle.
  • the cloud server may determine the delay requirement of the first information according to the communication link used to receive the first information.
  • the cloud server may also determine the time delay requirement of the vehicle information according to the vehicle location information included in the first information. For example, when the vehicle location information indicates that the vehicle is on an unobstructed section of the expressway, it can be considered that the first information has a low delay requirement; and when the vehicle location information indicates that the vehicle arrives at a traffic light intersection, it can be considered that the first information has a relatively high time delay requirement. delay request.
  • the delay requirement of the first information sent by the vehicle can be determined as the delay requirement of the second information, and then the target communication link that can meet the delay requirement can be determined to ensure the timeliness of the transmission of the second information .
  • the embodiment of the present application also provides an information processing method applied to roadside units, including:
  • Step 601 in the case of receiving the first information sent by the vehicle, determine the second information requested by the first information, wherein the first information is the information sent by the vehicle through the first communication link, and the first communication link is The communication link formed by the sequential communication connection between the cloud server, the roadside unit and the vehicle;
  • Step 602 if the second information is preset information, send the second information to the vehicle in response to the first information.
  • the RSU when the vehicle communicates with the cloud server, the RSU can be used as an intermediate terminal to form an N2I&I2V communication mode.
  • the RSU when the vehicle sends the first information through the above-mentioned first communication link, the RSU can receive the first information.
  • the first information sent by the vehicle may be to request a driving strategy to the cloud server, such as planning speed or planning route.
  • the requested driving strategy can be regarded as the second information requested by the first information.
  • the second information requested by the first information may also be information of other contents, and examples are not given here.
  • the RSU may directly respond to the first information and send the second information to the vehicle.
  • RSU it has certain information processing capabilities.
  • RSU can provide reference information for vehicles to change lanes based on the collected vehicle information on the road.
  • the RSU can obtain the speed limit information covering the road area and the operation information of the signal machine connected to it, and provide reference speed for the vehicle according to the speed limit information and operation information.
  • the preset information can be information that can be obtained through RSU processing, and this part of information can be preset, such as the lane change reference information or reference speed mentioned in the example above.
  • the RSU when the second information requested by the first information is information that the RSU can obtain without going through the cloud server, the RSU can directly respond to the first information and send the second information to the vehicle. information.
  • the computing power of the cloud server can be saved by sending the second information to the vehicle through the RSU in response to the first information; on the other hand, the second information can be effectively guaranteed by sending the second information to the vehicle through the RSU. Timeliness of information transmission.
  • the information processing method after receiving the first information sent by the vehicle, after determining the second information requested by the first information, the information processing method further includes:
  • the RSU may instruct the cloud server not to respond to the first information by stopping sending the first information to the cloud server, or by sending the fourth information to the cloud server. In this way, the cloud server does not need to process the first information to obtain the second information, saving the computing power of the cloud server.
  • the preset information includes the second planned speed on the target road section, and the target road section is a road section matched with the roadside unit;
  • sending the second information to the vehicle in response to the first information includes:
  • the second information requested by the first information is the second planned speed of the target road section
  • in response to the first information obtain vehicle information and road information of the target road section
  • a second projected speed is sent to the vehicle.
  • the vehicle information can include information such as the location information and motion status of the vehicle, or the vehicle information can also include information such as the planned route of the vehicle.
  • the road information may include the speed limit information of the road or the traffic light phase and timing information of the signal machine.
  • the communication distance of the RSU covers the above-mentioned target road section.
  • the RSU can acquire the vehicle information in the target road section, and at the same time, can also acquire the relevant information of the traffic signal connected to it.
  • the speed limit information of the target road segment is often known.
  • the second planning speed may be used to indicate the reference driving speed of the vehicle in the target road section. For example, when the vehicle is traveling at the second planned speed, it can pass through a traffic light intersection in the target road section without stopping.
  • the above-mentioned preset information may not be limited to the second planned speed of the target road segment, but may also be the traffic flow in the target road segment, or road pictures outside the vehicle's visual range and within the target road segment and many more.
  • the preset information may be determined according to the functions that the RSU can implement or the information processing capabilities it has.
  • the RSU can directly send the preset information to the vehicle without further processing by the cloud server, reducing the computing power consumption of the cloud server and providing the preset information Transmission timeliness.
  • the RSU may be sent to the cloud server without performing additional processing on the first information.
  • RSU, MEC, and intelligent sensing equipment can be installed on the roadside pole where the signal light is installed, and OBU can be installed on the bus to realize V2N and cloud communication between the bus and the cloud server. Dual link communication of N2I&I2V.
  • the communication method based on N2I&I2V benefits from not being limited by the communication range of LTE-V.
  • the cloud server can obtain signal light status information and timing schemes at multiple intersections, the movement status and location information of multiple buses, and multiple edge Calculate the data of the unit, and at the same time, the vehicle end can also obtain map information at a place farther away from the intersection, so that the bus priority function can be realized globally.
  • the cloud calculates a new timing plan based on the above data and sends it to the signal machine. Help the bus to pass quickly at the intersection.
  • another link V2N is used as an alternative communication path, and when the N2I&I2V link fails due to RSU, the function can continue to be guaranteed.
  • the cloud server receives raw data such as vehicles, signals, and sensing data, and uses the bus priority algorithm to calculate a priority policy for each bus passing through a signalized intersection based on the raw data.
  • the cloud server can issue the bus priority policy to the RSU, and the RSU will issue the bus priority policy to the OBU, and the OBU will present the corresponding bus priority policy to the driver and passengers.
  • the cloud server sends the bus priority policy to the OBU, and the OBU presents the corresponding bus priority policy to the driver and passengers.
  • the V2I-based RSU may only be able to obtain the information of one intersection signal and the bus vehicle data within its communication coverage area, so the bus priority function is limited to one intersection.
  • the use of dual-link communication can reduce the impact of LTE-V's communication range limitation, thereby realizing the bus priority function in the global range, and when one link is unreliable, the other link will still work , to ensure the reliability of communication.
  • the bus priority function based on dual links can be used in the following examples.
  • the cloud server judges that a certain bus is seriously delayed according to the bus line operating timetable, and passengers at the downstream platform are too delayed, in order to alleviate the current situation in time
  • the cloud server retrieves the signal control status and timing plan information of the downstream intersection of the bus according to the operating route of the bus, and combines the real-time vehicle position and motion status data to expand the timing adjustment time window of the downstream intersection, and adjust the timing by pre-adjusting
  • the scheme clears the social traffic flow in time, helps the bus to pass quickly, and alleviates the problem of bus delay. If the N2I&I2V link is detected to be faulty, the data of the N2I&I2V link can be supplemented, fused or replaced according to the data of the V2N link, and the communication can be effectively improved. reliability.
  • the RSU can also determine the timing plan information for the signal machine connected to the RSU in response to the delay information of the bus within the communication range, and send the bus priority policy to the bus.
  • Application example 2 providing green wave vehicle speed.
  • the cloud server can make a judgment based on the information uploaded by the signal machine, the information uploaded by the vehicle, and the data provided by the edge computing unit, and combine the predicted time required for the vehicle to reach the stop line with the intersection at the current moment
  • the signal light status and timing scheme provide drivers with suggested speed or assisted driving suggestions. According to the suggested speed, vehicles can pass through the intersection without stopping, reducing the number of starts and stops, which is helpful for energy saving and emission reduction, optimizing the environment, and improving Driving experience; if the system has calculated that the vehicle will need to stop at the intersection and wait for passage within the speed limit range, it will issue driving assistance information to the driver.
  • the cloud server receives raw data such as vehicles, signals, and sensing data, and uses the green wave speed suggestion algorithm to calculate the green wave speed for each vehicle passing a signalized intersection based on the original data.
  • the cloud server can send the suggested speed to the RSU, and the RSU will send the suggested speed to the OBU, and the OBU will present the corresponding suggested speed to the driver and passengers.
  • the cloud server sends the suggested speed to the OBU, and the OBU presents the corresponding suggested speed to the driver and passengers.
  • the cloud server can obtain the current state of the global intersection signal and the timing plan, and obtain vehicle data (moving state, vehicle position, vehicle driving path, traffic conditions, etc.) Plan the vehicle speed at each intersection in advance, and at the same time, use V2I direct wireless communication to fine-tune the suggested vehicle speed at each intersection. For example, the cloud server only roughly plans the vehicle speed according to the global road conditions.
  • Dual-link communication can overcome the problem of small communication range and only applicable to a single intersection caused by using V2I scheme alone; at the same time, it can solve the disadvantages of large data transmission delay caused by using V2N scheme alone; in addition, single-link
  • the function will fail, and there are two links in the dual link. If it is detected that the N2I&I2V link is faulty and the data is abnormal, it can trigger the data of the N2I&I2V link to be supplemented according to the data of the V2N link. , integration or replacement, effectively improving the reliability of communication.
  • the cloud server performs calculations based on information uploaded by roadside equipment and vehicles (including vehicle speed, acceleration, position, heading, driving intention, etc.), and sends the over-the-horizon information to the corresponding vehicles.
  • the over-the-horizon information may include information such as vehicles blocked ahead, obstacles on the road, traffic accidents, congestion information, traffic status, pictures, and pictures.
  • the cloud server receives raw data such as vehicle roadside perception data, and uses the beyond-horizon perception algorithm to determine the beyond-horizon information required by the vehicle based on the original data.
  • the cloud server can send the over-the-horizon information to the RSU, and the RSU sends the over-the-horizon information to the OBU, and the OBU presents the corresponding over-the-horizon information to the driver and passengers.
  • the cloud server sends the over-the-horizon information to the OBU, and the OBU presents the corresponding over-the-horizon information to the driver and passengers.
  • the cloud server can obtain traffic data in a wider range, and realize the delivery of accurate over-the-horizon perception information and map data to the vehicle in advance.
  • the data judges the traffic status of the driving path planned by the self-vehicle, so as to determine whether the travel route needs to be changed.
  • N2I&I2V link will not be effective in the section where the RSU is not installed on the roadside, but at this time the cloud server and
  • V2N links between vehicles that can be used to provide beyond-horizon information related functions can still operate normally; when abnormalities are detected on the N2I&I2V link, V2N data can be used to complete, fuse or replace; in addition
  • over-the-horizon perception should be clear about which link to use first. For scenarios with high latency requirements, such as ghost probe scenarios where blocked pedestrians and vehicles are in danger of colliding, N2I&I2V can be used first.
  • the communication method is to ensure that the over-the-horizon information is presented to the driver in a timely manner to avoid danger; for those with low requirements for time delay, such as videos showing traffic conditions far ahead, the V2N communication method can be used first, and which one to use is determined according to the scene. This link can effectively allocate communication resources and reduce channel congestion.
  • the information processing method provided by the embodiment of the present application is expanded and integrated on the basis of the framework of the existing single-link communication mode V2I or V2N, thereby realizing the dual-link communication of V2N and N2I&I2V.
  • the cloud server can obtain the data of signals and edge computing units at multiple intersections, and can selectively send it to the vehicle OBU terminal; the communication range between the cloud server and the vehicle can be independent of the LTE-V direct connection communication technology
  • the cloud can obtain the location and motion status information of a larger number of farther vehicles, and the vehicles can also obtain distant map information in advance; based on more and more comprehensive vehicle-side and roadside information, the overall function of the realization Local optimization can also be done while controlling; when one link fails in the dual-link communication method, the other link can still function, effectively improving the reliability of communication; the two communication methods of the dual-link can be supported separately
  • the two types of functions with high time sensitivity and low time sensitivity can better allocate and utilize communication resources than the single-link method.
  • the embodiment of the present application also provides a vehicle, including:
  • the first determination module 1301 is configured to determine the delay requirement of the first information to be sent to the vehicle;
  • the second determination module 1302 is configured to determine the target communication link from the P preset communication links according to the delay requirement of the first information and the preset communication link correspondence between the delay requirement, where P is greater than 1 integer;
  • the first selecting and sending module 1303 is configured to select Q preset communication links from the P preset communication links to send the first information to the vehicle, wherein the Q preset communication links include a target communication link , Q is a positive integer less than or equal to P.
  • the P preset communication links include a first communication link and a second communication link, wherein the first communication link is a communication link formed by sequential communication connections between a cloud server, a roadside unit, and a vehicle road; the second communication link is a communication link formed by a cloud server and a vehicle communication connection.
  • the first determination module 1301 may include at least one of the following:
  • the first determining unit is configured to determine the information type of the first information, and determine the delay requirement of the first information according to the preset correspondence between delay requirements of information types;
  • the second determining unit is configured to acquire the location information of the vehicle, and determine the delay requirement of the first information according to the location information.
  • the above vehicle may also include:
  • the removal module is used to switch the first preset communication link from Q preset communication links when it is detected that the channel congestion degree of the first preset communication link is higher than the channel congestion threshold when Q is greater than 1.
  • the first default communication link is a default communication link other than the target communication link among the Q preset communication links.
  • the above vehicle may also include:
  • the update module is used to update the target communication link when Q is equal to 1 and detects that the target communication link is abnormal, wherein the updated target communication link is among the P preset communication links, A default communication link other than the target communication link before the update.
  • the vehicle is a device corresponding to the above-mentioned information processing method applied to the vehicle, and all the implementation methods in the above-mentioned method embodiments are applicable to the vehicle embodiment, and can also achieve the same technical effect.
  • the embodiment of the present application also provides a cloud server, including:
  • a third determining module 1401, configured to determine the delay requirement of the second information to be sent to the vehicle
  • the fourth determination module 1402 is used to determine the target communication link from the P preset communication links according to the delay requirement of the second information and the correspondence between the preset delay requirement communication links, where P is greater than 1 integer;
  • the second selecting and sending module 1403 is configured to select Q preset communication links from the P preset communication links to send the second information to the vehicle, wherein the Q preset communication links include a target communication link , Q is a positive integer less than or equal to P.
  • the cloud server may also include:
  • the receiving module is used to receive vehicle information, and the vehicle information includes vehicle location information and vehicle route planning information;
  • the obtaining module is used to obtain road information of the road indicated by the vehicle route planning information, the road information includes the operation information of N signal machines, N is an integer greater than 1, and the road facilities include signal machines;
  • a generating module configured to generate second information according to vehicle location information and road information
  • the second information includes at least one of the first planned speed and the second planned speed
  • the first planned speed is the planned speed obtained according to the vehicle position information and the operation information of N signal machines
  • the second planned speed is obtained according to the vehicle position information The planned speed obtained from the position information and the operation information of the target signal, where the target signal is the signal that matches the vehicle position information among the N signals.
  • generate modules that can include:
  • the first generating unit is configured to generate second information and third information according to the vehicle location information and road information, wherein the second information matches the third information, and the third information is used to adjust the operating state of the associated signal machine;
  • the cloud server may also include:
  • the second sending module is used to send the third information to the associated signal machine.
  • the third determining module 1401 includes at least one of the following:
  • the third determining unit is configured to determine the delay requirement of the second information according to the information type of the second information and according to the preset correspondence between delay requirements of information types;
  • the fourth determining unit is configured to determine the delay requirement of the first information sent by the vehicle as the delay requirement of the second information, wherein the delay requirement of the first information is determined according to at least one of the following contents: The preset communication link used, and the vehicle location information indicated by the first information.
  • the cloud server is a device corresponding to the above-mentioned information processing method applied to the cloud server, and all the implementation methods in the above method embodiments are applicable to the cloud server, and can also achieve the same technical effect.
  • the embodiment of the present application also provides a roadside unit, including:
  • the fifth determination module 1501 is configured to determine the second information requested by the first information when the first information sent by the vehicle is received, wherein the first information is the information sent by the vehicle through the first communication link, and the second A communication link is a communication link formed by successive communication connections between the cloud server, the roadside unit and the vehicle;
  • the first sending module 1502 is configured to send the second information to the vehicle in response to the first information when the second information is preset information.
  • the preset information includes the second planned speed on the target road section, and the target road section is a road section matched with the roadside unit;
  • the first sending module 1502 may include:
  • An acquiring unit configured to acquire vehicle information and road information of the target road segment in response to the first information when the second information requested by the first information is the second planned speed of the target road segment;
  • a second generating unit configured to generate a second planned speed according to vehicle information and road information
  • a sending unit configured to send the second planned speed to the vehicle.
  • the roadside unit is a device corresponding to the above-mentioned information processing method applied to the roadside unit, and all the implementation methods in the above-mentioned method embodiments are applicable to the embodiment of the roadside unit, and can also achieve the same technical effect.
  • FIG. 16 shows a schematic diagram of a hardware structure of an electronic device provided by an embodiment of the present application.
  • the electronic device may include a processor 1601 and a memory 1602 storing computer program instructions.
  • the processor 1601 may include a central processing unit (CPU), or an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), or may be configured to implement one or more integrated circuits in the embodiments of the present application.
  • CPU central processing unit
  • ASIC Application Specific Integrated Circuit
  • Memory 1602 may include mass storage for data or instructions.
  • memory 1602 may include a hard disk drive (Hard Disk Drive, HDD), a floppy disk drive, a flash memory, an optical disk, a magneto-optical disk, a magnetic tape, or a Universal Serial Bus (Universal Serial Bus, USB) drive or two or more Combinations of multiple of the above.
  • Storage 1602 may include removable or non-removable (or fixed) media, where appropriate. Under appropriate circumstances, the storage 1602 can be inside or outside the comprehensive gateway disaster recovery device.
  • memory 1602 is a non-volatile solid-state memory.
  • Memory may include read only memory (ROM), random access memory (RAM), magnetic disk storage media devices, optical storage media devices, flash memory devices, electrical, optical, or other physical/tangible memory storage devices.
  • ROM read only memory
  • RAM random access memory
  • magnetic disk storage media devices magnetic disk storage media devices
  • optical storage media devices flash memory devices
  • electrical, optical, or other physical/tangible memory storage devices include one or more tangible (non-transitory) computer-readable storage media (e.g., memory devices) encoded with software comprising computer-executable instructions, and when the software is executed (e.g., by one or multiple processors), it is operable to perform the operations described with reference to the information processing method according to the present application.
  • the processor 1601 reads and executes the computer program instructions stored in the memory 1602 to implement any one of the information processing methods in the foregoing embodiments.
  • the electronic device may further include a communication interface 1603 and a bus 1604 .
  • a processor 1601 a memory 1602 , and a communication interface 1603 are connected through a bus 1604 to complete mutual communication.
  • the communication interface 1603 is mainly used to realize the communication between various modules, devices, units and/or devices in the embodiments of the present application.
  • the bus 1604 includes hardware, software or both, and couples the components of the online data traffic charging device to each other.
  • the bus may include Accelerated Graphics Port (AGP) or other graphics bus, Enhanced Industry Standard Architecture (EISA) bus, Front Side Bus (FSB), HyperTransport (HT) interconnect, Industry Standard Architecture (ISA) Bus, Infiniband Interconnect, Low Pin Count (LPC) Bus, Memory Bus, Micro Channel Architecture (MCA) Bus, Peripheral Component Interconnect (PCI) Bus, PCI-Express (PCI-X) Bus, Serial Advanced Technology Attachment (SATA) bus, Video Electronics Standards Association Local (VLB) bus or other suitable bus or a combination of two or more of these.
  • Bus 1604 may comprise one or more buses, where appropriate.
  • the embodiments of the present application may provide a computer storage medium for implementation.
  • Computer program instructions are stored on the computer storage medium; when the computer program instructions are executed by a processor, any one of the information processing methods in the foregoing embodiments is implemented.
  • the functional blocks shown in the structural block diagrams described above may be implemented as hardware, software, firmware, or a combination thereof.
  • hardware When implemented in hardware, it may be, for example, an electronic circuit, an application specific integrated circuit (ASIC), suitable firmware, a plug-in, a function card, or the like.
  • ASIC application specific integrated circuit
  • the elements of the present application are the programs or code segments employed to perform the required tasks.
  • Programs or code segments can be stored in machine-readable media, or transmitted over transmission media or communication links by data signals carried in carrier waves.
  • "Machine-readable medium" may include any medium that can store or transmit information.
  • machine-readable media examples include electronic circuits, semiconductor memory devices, ROM, flash memory, erasable ROM (EROM), floppy disks, CD-ROMs, optical disks, hard disks, fiber optic media, radio frequency (RF) links, and the like.
  • Code segments may be downloaded via a computer network such as the Internet, an Intranet, or the like.
  • processors may be, but are not limited to, general purpose processors, special purpose processors, application specific processors, or field programmable logic circuits. It can also be understood that each block in the block diagrams and/or flowcharts and combinations of blocks in the block diagrams and/or flowcharts can also be realized by dedicated hardware for performing specified functions or actions, or can be implemented by dedicated hardware and Combination of computer instructions to achieve.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Computing Systems (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Traffic Control Systems (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente demande concerne un procédé et un dispositif de traitement d'informations, ainsi qu'un support de stockage informatique. Le procédé de traitement d'informations appliqué à un véhicule consiste à : déterminer une exigence de délai de premières informations à envoyer à un serveur en nuage ; déterminer une liaison de communication cible à partir de P liaisons de communication prédéfinies sur la base de l'exigence de délai des premières informations et d'une correspondance de liaison de communication - exigence de délai prédéfinie, P étant un nombre entier supérieur à 1 ; et sélectionner Q liaisons de communication prédéfinies à partir des P liaisons de communication prédéfinies pour envoyer les premières informations au serveur en nuage, les Q liaisons de communication prédéfinies comprenant la liaison de communication cible et Q étant un nombre entier positif inférieur ou égal à P.
PCT/CN2022/091123 2021-05-08 2022-05-06 Procédé et dispositif de traitement d'informations et support de stockage informatique WO2022237634A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202110514360.3A CN113411375B (zh) 2021-05-08 2021-05-08 信息处理方法、设备及计算机存储介质
CN202110514360.3 2021-05-08

Publications (1)

Publication Number Publication Date
WO2022237634A1 true WO2022237634A1 (fr) 2022-11-17

Family

ID=77678318

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2022/091123 WO2022237634A1 (fr) 2021-05-08 2022-05-06 Procédé et dispositif de traitement d'informations et support de stockage informatique

Country Status (2)

Country Link
CN (1) CN113411375B (fr)
WO (1) WO2022237634A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115862293A (zh) * 2022-11-30 2023-03-28 展讯半导体(南京)有限公司 信息传输方法及相关装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113411375B (zh) * 2021-05-08 2023-07-18 长沙智能驾驶研究院有限公司 信息处理方法、设备及计算机存储介质
CN113706873B (zh) * 2021-09-28 2022-11-29 长沙智能驾驶研究院有限公司 车辆到达时间预测方法、装置、设备及计算机存储介质
CN115996370A (zh) * 2021-10-20 2023-04-21 华为技术有限公司 数据传输方法、装置、设备、存储介质及程序
CN116582905A (zh) * 2023-05-26 2023-08-11 成都赛力斯科技有限公司 车辆数据传输方法、装置、电子设备及存储介质

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009198335A (ja) * 2008-02-21 2009-09-03 Kenwood Corp 車載器および情報提供システム
CN109863786A (zh) * 2016-10-10 2019-06-07 三星电子株式会社 多链路环境中的数据发送方法和设备
CN111654840A (zh) * 2020-05-28 2020-09-11 北京瑞华赢科技发展有限公司 基于多模通讯的车路协同通讯系统
CN112533174A (zh) * 2020-11-24 2021-03-19 东风汽车集团有限公司 基于c-v2x的闯红灯场景的预警及通信冗余方法及系统
CN113411375A (zh) * 2021-05-08 2021-09-17 长沙智能驾驶研究院有限公司 信息处理方法、设备及计算机存储介质

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101841480A (zh) * 2010-04-26 2010-09-22 华为技术有限公司 多链路报文发送方法、设备及系统
JP2013007628A (ja) * 2011-06-23 2013-01-10 Nissan Motor Co Ltd 情報提供サーバ、車載搭載情報提示装置、及び情報提供方法
JP5716587B2 (ja) * 2011-07-19 2015-05-13 富士通株式会社 経路決定装置，経路決定方法，管理プログラム及び管理装置
CN105049299B (zh) * 2015-08-27 2018-11-13 北京百度网讯科技有限公司 时延状态信息的检测方法及装置、网络架构
CN105246025B (zh) * 2015-09-08 2018-09-14 宇龙计算机通信科技(深圳)有限公司 一种控制v2x业务传输的方法及装置
CN105681419A (zh) * 2016-01-07 2016-06-15 河北工程大学 车路协同环境下车载终端的组数据传输方法及模块
CN107277853A (zh) * 2016-04-07 2017-10-20 华为技术有限公司 一种数据传输方法及装置
WO2019006704A1 (fr) * 2017-07-05 2019-01-10 华为技术有限公司 Procédé, appareil et système de calcul de trajet
WO2019199815A1 (fr) * 2018-04-10 2019-10-17 Cavh Llc Procédés et systèmes de véhicule connectés et automatisés pour l'ensemble du réseau routier
CN109085837B (zh) * 2018-08-30 2023-03-24 阿波罗智能技术(北京)有限公司 车辆控制方法、装置、计算机设备及存储介质
CN109068297B (zh) * 2018-09-19 2021-09-24 中国联合网络通信集团有限公司 一种确定v2x业务传输路径的方法及装置
CN109618373B (zh) * 2019-01-15 2021-04-16 Oppo广东移动通信有限公司 链路选取方法及相关装置
CN110702129B (zh) * 2019-05-31 2022-02-18 北京嘀嘀无限科技发展有限公司 用于路径规划的系统和方法
KR20190109333A (ko) * 2019-09-05 2019-09-25 엘지전자 주식회사 V2x 메시지를 처리하는 방법 및 장치
CN111431643B (zh) * 2020-03-23 2021-07-20 腾讯科技（深圳）有限公司 一种信道连接方法及装置
CN111479238B (zh) * 2020-04-14 2021-10-15 东华大学 一种车联网信息处理时延优化方法
CN112504291B (zh) * 2020-11-17 2023-05-23 腾讯科技（深圳）有限公司 一种车辆导航的方法及装置
CN112614366A (zh) * 2020-12-11 2021-04-06 国汽(北京)智能网联汽车研究院有限公司 汽车协同决策方法、装置、电子设备及计算机存储介质

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009198335A (ja) * 2008-02-21 2009-09-03 Kenwood Corp 車載器および情報提供システム
CN109863786A (zh) * 2016-10-10 2019-06-07 三星电子株式会社 多链路环境中的数据发送方法和设备
CN111654840A (zh) * 2020-05-28 2020-09-11 北京瑞华赢科技发展有限公司 基于多模通讯的车路协同通讯系统
CN112533174A (zh) * 2020-11-24 2021-03-19 东风汽车集团有限公司 基于c-v2x的闯红灯场景的预警及通信冗余方法及系统
CN113411375A (zh) * 2021-05-08 2021-09-17 长沙智能驾驶研究院有限公司 信息处理方法、设备及计算机存储介质

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115862293A (zh) * 2022-11-30 2023-03-28 展讯半导体(南京)有限公司 信息传输方法及相关装置

Also Published As

Publication number Publication date
CN113411375A (zh) 2021-09-17
CN113411375B (zh) 2023-07-18

Similar Documents

Publication Publication Date Title
WO2022237634A1 (fr) Procédé et dispositif de traitement d'informations et support de stockage informatique
KR102141445B1 (ko) 차량의 차선 변경을 위해 2개의 차량 사이의 트래픽 갭을 결정하기 위한 방법 및 제어 시스템
CN109087503B (zh) 一种基于v2x的车车协同系统及方法
US10643469B2 (en) Traffic intersection driving assistance method and system
US8423279B2 (en) Drive assist apparatus, method, and recording medium
US10752244B2 (en) Devices, method and computer program for providing information about an expected driving intention
US10186148B2 (en) Roadside control apparatus, computer program, and information processing method
US8902080B2 (en) Vehicle-mounted narrow-band wireless communication apparatus and roadside-to-vehicle narrow-band wireless communication system
CN103065500B (zh) 车辆并道控制系统
WO2015156146A1 (fr) Dispositif de commande de déplacement, dispositif d'affichage embarqué, et système de commande de déplacement
CN103745603B (zh) 一种右转车道车路协同信号控制方法及系统
US8924141B2 (en) Information providing apparatus
CN104408970A (zh) 车辆告警方法及设备
US20210316750A1 (en) System and method for driving guide
CN108364486B (zh) 多场景车辆优先自适应交通信号控制系统及其工作方法
JP3786053B2 (ja) 交通管制方法
CN112747765A (zh) 一种基于导航与传感器融合的路径推送方法、系统及存储介质
JP2019106674A (ja) 自動運転制御システム、自動運転制御方法、及び車両
US20230118619A1 (en) Parking-stopping point management device, parking-stopping point management method, and vehicle device
KR20140049330A (ko) 우회 도로 안내 방법 및 시스템
CN114093158A (zh) 一种交通管理方法及装置
CN109472732B (zh) 一种智慧高速综合管控方法及管控平台
US20230373530A1 (en) Vehicle control device and vehicle control method
JP2020027416A (ja) 交差点通過制御システム
US20210024060A1 (en) Driving assistance device

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22806600

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 22806600

Country of ref document: EP

Kind code of ref document: A1