CN115515085B - Vehicle moving information sending method and storage medium - Google Patents
Vehicle moving information sending method and storage medium Download PDFInfo
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- CN115515085B CN115515085B CN202211209739.4A CN202211209739A CN115515085B CN 115515085 B CN115515085 B CN 115515085B CN 202211209739 A CN202211209739 A CN 202211209739A CN 115515085 B CN115515085 B CN 115515085B
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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
- H04W4/12—Messaging; Mailboxes; Announcements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/02—Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
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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
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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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
- H04W4/16—Communication-related supplementary services, e.g. call-transfer or call-hold
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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
- H04W4/20—Services signaling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel
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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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Abstract
The application relates to the technical field of Internet of vehicles, and discloses a vehicle moving information sending method and a storage medium, wherein the method comprises the following steps: searching whether a target vehicle corresponding to the received vehicle moving request information exists in the vehicle information set, wherein the vehicle moving request information is sent by a vehicle moving request terminal through a PC5 air interface, if so, searching a vehicle moving execution terminal corresponding to the target vehicle, and sending the vehicle moving request information to the vehicle moving execution terminal, wherein the vehicle moving execution terminal is connected with at least one road side unit in the road side unit group through the PC5 air interface, and if not, broadcasting the vehicle moving request information to a next road side unit set through the PC5 air interface, so that the road side unit in the next road side unit set searches the vehicle moving execution terminal corresponding to the target vehicle, and sends the vehicle moving request information to the vehicle moving execution terminal, and on the premise of guaranteeing personal privacy of a vehicle owner, the vehicle moving operation can be timely informed.
Description
Technical Field
The application relates to the technical field of Internet of vehicles and provides a vehicle moving information sending method and a storage medium.
Background
At present, with the rapid development of urban economy, the motor vehicle has increasingly increased possession and is difficult to park. When the parked vehicle obstructs the normal running of other vehicles, the vehicle owner can be contacted by inquiring the telephone information of the vehicle owner through the telephone number on the vehicle windshield or the license plate number, but the personal privacy of the vehicle owner can be leaked by the mode, in addition, the mobile phone number can be replaced or cancelled, so that the vehicle owner cannot be contacted in time, and the problem of difficult vehicle moving occurs.
The existing vehicle moving software can alleviate the problems to a certain extent, namely, in the implementation process, information of the parked vehicle is sent to a server through an intelligent terminal so as to inform the server of vehicle moving after the contact information of the contact person for parking the vehicle is obtained, but in the use process of the vehicle moving software, the contact information of a vehicle owner and the like, the license plate number and the like can still be exposed in a network, and potential safety hazards cannot be avoided.
Disclosure of Invention
The embodiment of the application provides a vehicle moving information sending method and a storage medium, which are used for timely informing related personnel to carry out vehicle moving operation on the premise of guaranteeing personal privacy of a vehicle owner.
The specific technical scheme provided by the application is as follows:
in a first aspect, an embodiment of the present application provides a method for sending vehicle moving information, where the method is applied to a target road side unit, a road side unit group includes a multi-stage road side unit set cascaded through a PC5 air interface, each stage road side unit set includes at least one road side unit, and the target road side unit is any road side unit in the road side unit group, where the method includes:
searching whether a target vehicle corresponding to the received vehicle moving request information exists in the vehicle information set, wherein the vehicle moving request information is sent by a vehicle moving request terminal through a PC5 air interface;
if the vehicle moving request information exists, a vehicle moving execution terminal corresponding to the target vehicle is searched, and the vehicle moving request information is sent to the vehicle moving execution terminal, wherein the vehicle moving execution terminal is connected with at least one road side unit in the road side unit group through a PC5 air interface;
if the vehicle moving request information does not exist, broadcasting the vehicle moving request information to a next-stage road side unit set through a PC5 air interface, so that road side units in the next-stage road side unit set search a vehicle moving execution terminal corresponding to the target vehicle, and sending the vehicle moving request information to the vehicle moving execution terminal.
Optionally, the vehicle information set is determined by:
respectively receiving basic safety information BSM of each vehicle in a target coverage range, wherein the BSM is broadcasted by a vehicle-mounted unit of the vehicle through a PC5 air interface;
analyzing the running speed and the vehicle coordinate information from the BSM, and if the running speed of the vehicle is zero, receiving license plate information and the vehicle coordinate information of the vehicle with the running speed of zero, which are sent by acquisition equipment connected with the target road side unit;
a vehicle information set is determined based on license plate information and vehicle coordinate information of each vehicle.
Optionally, the initial position information corresponding to the vehicle moving execution terminal is the same as the vehicle coordinate information, and the acquisition time corresponding to the initial position information is consistent with the acquisition time of the running speed.
Optionally, searching for whether the same target vehicle as the vehicle represented by the received vehicle moving request information exists in the vehicle information set, including:
analyzing a temporary vehicle identifier corresponding to the received vehicle moving request information based on the corresponding relation between the preset request information and the identifier;
determining target license plates or target position information of vehicles represented by temporary vehicle identifications;
searching whether license plate information which is the same as the target license plate exists in the vehicle information set, and determining the vehicle corresponding to the searched license plate information as the target vehicle; or alternatively
And searching whether the vehicle coordinate information which is the same as the target position information exists in the vehicle information set, and determining the vehicle corresponding to the searched vehicle coordinate information as the target vehicle.
Optionally, searching for the vehicle moving execution terminal includes:
determining BSM stored in each intelligent terminal connected with at least one road side unit in the target road side unit or the next road side unit set;
and searching an intelligent terminal corresponding to the BSM consistent with the target vehicle represented by the vehicle moving request information, and taking the searched intelligent terminal as a vehicle moving execution terminal.
Optionally, after sending the vehicle moving request information to the vehicle moving execution terminal, the method further includes:
receiving the vehicle moving response information, and sending the vehicle moving response information to the vehicle moving request terminal through the PC5 air interface, wherein the vehicle moving response information is generated after the vehicle moving execution terminal confirms the vehicle moving request information.
Optionally, receiving the vehicle moving response information includes:
receiving vehicle moving response information through a unicast link;
the unicast link comprises a connection link established between the target road side unit and the vehicle moving execution terminal through a PC5 air interface; or alternatively
The unicast link comprises a connection link established through a PC5 air interface between the vehicle moving execution terminal and the road side unit which intensively transmits the vehicle moving request information, a connection link established through the PC5 air interface between the road side unit which intensively transmits the vehicle moving request information and the target road side unit, and a connection link established through the PC5 air interface between the target road side unit and the vehicle moving request terminal.
Optionally, broadcasting the vehicle moving request information to a cascaded next-stage road side unit set through a PC5 air interface, including:
determining the next-stage MAC address of each road side unit included in the next-stage road side unit set of the phase cascade;
if the broadcasting threshold is not zero, broadcasting the vehicle moving request information to corresponding road side units through a PC5 air interface based on the next-stage MAC address;
the initial value of the broadcast threshold is preset, and the value of the broadcast threshold is decreased as the number of the broadcast road side unit set increases.
Optionally, after sending the vehicle moving request information to the vehicle moving execution terminal or broadcasting the vehicle moving request information to the cascaded next-stage road side unit set through the PC5 air interface, the method further includes:
determining the duration between the current time and the request time corresponding to the vehicle moving request information;
if the duration exceeds the preset duration, modifying the broadcasting threshold;
the vehicle moving request information is sent to the vehicle moving execution terminal again; or alternatively
And broadcasting the information to the next-stage road side unit set which is cascaded through the PC5 air interface, so that the next-stage road side unit set again sends the vehicle moving request information to the vehicle moving execution terminal.
In a second aspect, an embodiment of the present application further provides a method for sending vehicle moving information, which is applied to a vehicle moving request terminal, including:
determining vehicle moving request information, wherein the vehicle moving request information is determined based on a temporary vehicle identification and request time, the temporary vehicle identification is obtained by converting the acquired target license plate and/or target position information of the target vehicle, the temporary vehicle identification corresponds to the target vehicle one by one, and the request time is the acquisition time of the target license plate or the target position information;
and sending the vehicle moving request information to the target road side unit through the PC5 air interface so that the target road side unit sends the vehicle moving request information to the vehicle moving execution terminal.
In a third aspect, a target roadside terminal includes:
a memory for storing executable instructions;
a processor for reading and executing executable instructions stored in a memory to implement the method of any one of the first aspects.
In a fourth aspect, a vehicle moving request terminal includes:
a memory for storing executable instructions;
a processor for reading and executing executable instructions stored in a memory to implement the method as described in the second aspect.
In a fifth aspect, a computer readable storage medium, which when executed by a processor, causes the processor to perform the method of any of the first and second aspects above.
The beneficial effects of the application are as follows:
in summary, in the embodiment of the present application, a method for sending vehicle moving information and a storage medium are provided, where the method is applied to a target road side unit, a road side unit group includes a multi-stage road side unit set cascaded through a PC5 air interface, each stage road side unit set includes at least one road side unit, and the target road side unit is any road side unit in the road side unit group, and the method includes: searching whether a target vehicle corresponding to the received vehicle moving request information exists in the vehicle information set, wherein the vehicle moving request information is sent by a vehicle moving request terminal through a PC5 air interface, if so, searching a vehicle moving execution terminal corresponding to the target vehicle, and sending the vehicle moving request information to the vehicle moving execution terminal, wherein the vehicle moving execution terminal is connected with at least one road side unit in the road side unit group through the PC5 air interface, and if not, the vehicle moving request information is broadcast to a next road side unit set through the PC5 air interface, so that the road side unit in the next road side unit set searches the vehicle moving execution terminal corresponding to the target vehicle, and sends the vehicle moving request information to the vehicle moving execution terminal.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application. The objectives and other advantages of the application will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
fig. 1 is a schematic diagram of a system architecture for transmitting vehicle moving information in an embodiment of the present application;
fig. 2 is a schematic flow chart of sending vehicle moving request information in the embodiment of the present application;
FIG. 3 is a schematic flow chart of determining a vehicle information set according to an embodiment of the present application;
FIG. 4 is a schematic flow chart of determining a target vehicle according to an embodiment of the present application;
fig. 5 is a schematic flow chart of determining a vehicle moving execution terminal in the embodiment of the present application;
fig. 6 is a schematic flow chart of broadcasting vehicle moving request information to each road side unit in the embodiment of the present application;
fig. 7 is a schematic flow chart of determining and sending vehicle moving request information by the vehicle moving request terminal in the embodiment of the application;
fig. 8 is a schematic diagram of an entity architecture of a target roadside terminal in an embodiment of the present application;
fig. 9 is a schematic entity architecture diagram of a vehicle moving request terminal in an embodiment of the present application.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the technical solutions of the present application, but not all embodiments. All other embodiments, which can be made by a person of ordinary skill in the art without any inventive effort, based on the embodiments described in the present application are intended to be within the scope of the technical solutions of the present application.
The terms first, second and the like in the description and in the claims and in the above-described figures, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be capable of being practiced otherwise than as specifically illustrated and described.
The preferred embodiments of the present application will be described in detail with reference to the accompanying drawings.
Referring to fig. 1, in this embodiment of the present application, a system includes at least one vehicle moving request terminal, a vehicle, an acquisition device (for example, a camera), a plurality of Road Side Units (RSU) and a vehicle moving execution terminal, where the Road Side units connected to the vehicle moving request terminal, the vehicle and the acquisition device are target Road Side units, the remaining Road Side units include a next-stage Road Side Unit set cascaded with the target Road Side units, and it should be noted that the vehicle moving request terminal and the vehicle moving execution terminal both support V2X functions, that is, have a PC5 air interface function, in addition, the next-stage Road Side Unit set in fig. 1 has three stages in total, and the next-stage Road Side Unit set of each stage includes two Road Side units, and this embodiment of the present application may also be applied to Road Side Unit sets cascaded with other phases, where fig. 1 is only one specific example, and specific description is given below.
The vehicle moving information sending method is applied to target road side units, a road side unit group comprises a multi-stage road side unit set cascaded through a PC5 air interface, each stage road side unit set comprises at least one road side unit, and the target road side unit is any road side unit in the road side unit group.
Referring to fig. 2, in the embodiment of the present application, a specific flow for sending vehicle moving information includes:
step 201: searching whether a target vehicle corresponding to the received vehicle moving request information exists in the vehicle information set, wherein the vehicle moving request information is sent by a vehicle moving request terminal through a PC5 air interface. If so, execute step 202; if not, step 203 is performed.
The vehicle moving request terminal is a vehicle owner (or other related personnel) of the vehicle with the vehicle moving requirement, for example, the vehicle A is blocked by the vehicle B and cannot exit the parking lot, and then the vehicle owner (or other related personnel) of the vehicle A can send out vehicle moving request information through the vehicle moving request terminal, in order to avoid exposing the information in network transmission, the vehicle moving request information is sent through a PC5 air interface, namely, the corresponding vehicle moving request terminal supports the V2X function.
First, the origin of the following vehicle information sets is described, and referring to fig. 3, the vehicle information sets are determined by:
step 101: and respectively receiving the basic safety information BSM of each vehicle in the target coverage range, wherein the BSM is broadcasted by the vehicle-mounted unit of the vehicle through the PC5 air interface.
Since each vehicle-mounted unit broadcasts the basic safety information (Basic Safety Message, BSM) of the vehicle outwards through the air interface of the PC5 in real time, in the implementation process, the target road-side unit receives the BSM broadcast outwards by each vehicle respectively in the corresponding target coverage (usually the area corresponding to one area).
Step 102: and analyzing the running speed and the vehicle coordinate information from the BSM, and if the running speed of the vehicle is zero, receiving license plate information and the vehicle coordinate information of the vehicle with the running speed of zero, which are sent by the acquisition equipment connected with the target road side unit.
In the implementation process, after receiving a plurality of BSMs, the plurality of BSMs are analyzed so as to obtain the corresponding running speed and vehicle coordinate information of each vehicle.
In order to determine a stationary parked vehicle, in the implementation process, it is determined that the running speed of the vehicle is zero, information of the vehicle with the running speed of zero by the acquisition device is further received, specifically, the acquisition device connected with the target road side unit is triggered to acquire license plate information and vehicle coordinate information of the vehicle with the running speed of zero, and the license plate information and the vehicle coordinate information are stored in the target road side unit.
It should be noted that, although the license plate information is a unique identifier of the vehicle, it is considered that some vehicles (for example, new vehicles, damaged license plates, etc.) may not be configured with clear license plates, and thus, in the implementation process, the coordinate information of the vehicle may be collected and stored in the target roadside unit.
Step 103: a vehicle information set is determined based on license plate information and vehicle coordinate information of each vehicle.
In the implementation process, after license plate information and vehicle coordinate information of each vehicle with zero running speed are obtained, the license plate information and the vehicle coordinate information are bound, and then a vehicle information set is obtained.
After determining the vehicle information set, searching whether the target vehicle which is the same as the vehicle represented by the received vehicle moving request information exists in the vehicle information set, referring to fig. 4, specifically including:
step 2011: and analyzing the temporary vehicle identification corresponding to the received vehicle moving request information based on the corresponding relation between the preset request information and the identification.
In the embodiment of the application, in order to protect privacy of a vehicle, a corresponding vehicle owner and the like, the license plate information and the vehicle coordinate information are subjected to fuzzification processing, namely, the license plate information and the vehicle coordinate information are converted into the corresponding relation between preset request information and the identifier, and are converted into the identifier and the like for storage and transmission, so that the information safety is further ensured. It should be noted that, the corresponding relation between the request information and the identifier can be flexibly set according to different scenes.
Therefore, in the implementation process, after the vehicle moving request information is received, the temporary vehicle identifier corresponding to the vehicle moving request information is further analyzed, and correspondingly, the analysis basis is the corresponding relation between the request information and the identifier.
Step 2012: and determining target license plates or target position information of the vehicles characterized by the temporary vehicle identifications.
Further, the target license plate or the target position information of the vehicle represented by the temporary vehicle identifier is determined through the analysis process, and in general, the target license plate or the target position information can be bound with a timestamp to uniquely identify the target vehicle corresponding to the vehicle moving request information.
Step 2013: searching whether license plate information which is the same as the target license plate exists in the vehicle information set, and determining the vehicle corresponding to the searched license plate information as the target vehicle. Or alternatively
Under the condition, after the target license plate corresponding to the vehicle moving request information is determined, the target road side unit searches whether the license plate information identical to the target license plate exists in the stored vehicle information set, and determines the vehicle corresponding to the license plate information as the target vehicle after the identical license plate information is searched.
Step 2014: and searching whether the vehicle coordinate information which is the same as the target position information exists in the vehicle information set, and determining the vehicle corresponding to the searched vehicle coordinate information as the target vehicle.
In another case, after determining the target position information corresponding to the vehicle moving request information, the target road side unit searches for whether the vehicle coordinate information corresponding to the target position information exists in the stored vehicle information set, and determines the vehicle corresponding to the vehicle coordinate information as the target vehicle after searching for the same vehicle coordinate information.
Step 202: searching a vehicle moving execution terminal corresponding to the target vehicle, and sending vehicle moving request information to the vehicle moving execution terminal, wherein the vehicle moving execution terminal is connected with at least one road side unit in the road side unit group through a PC5 air interface.
In the implementation process, if the relevant information (license plate information and/or vehicle coordinate information) of the target vehicle is stored in the target road side unit, it is determined that the target vehicle is parked in the target coverage area corresponding to the target road side unit, in this case, the vehicle moving execution terminal corresponding to the target vehicle is continuously searched, and the vehicle moving request information is sent to the vehicle moving execution terminal.
Here, the vehicle moving execution terminal is connected to at least one road side unit in the road side unit group through a PC5 air interface. The vehicle moving execution terminal is at least one intelligent terminal connected with each road side unit through a PC5 air interface, and can be an intelligent terminal corresponding to a vehicle owner, a passenger or a designated person of the target vehicle. In addition, the initial position information corresponding to the vehicle moving execution terminal is the same as the vehicle coordinate information, namely the vehicle moving execution terminal is an intelligent terminal corresponding to a person who definitely parks the vehicle. And, the acquiring time corresponding to the initial position information corresponding to the vehicle moving executing terminal is consistent with the acquiring time of the running speed, and preferably, the vehicle moving executing terminal is an intelligent terminal corresponding to the owner of the target vehicle.
The following describes a determination process of the vehicle moving execution terminal, searches for the vehicle moving execution terminal, and referring to fig. 5, specifically includes:
step 2021: and determining BSM stored in each intelligent terminal connected with at least one road side unit in the target road side unit or the next road side unit set.
Since the on-board unit of the vehicle will broadcast the BSM outwards when not in flameout, and the on-board unit of the vehicle will broadcast the last BSM outwards when the running speed of the vehicle is changed from non-zero to zero, the last BSM will be stored in the target roadside unit or at least one roadside unit in the next roadside unit set correspondingly, and the last BSM will also be stored in each intelligent terminal.
Step 2022: and searching an intelligent terminal corresponding to the BSM consistent with the target vehicle represented by the vehicle moving request information, and taking the searched intelligent terminal as a vehicle moving execution terminal.
Because the transmission distance of the BSM is limited, the intelligent terminal generally only includes a vehicle moving execution terminal and a terminal having a relatively short distance from the vehicle moving execution terminal, in order to further determine which one is the vehicle moving execution terminal, in the implementation process, the BSM stored in each intelligent terminal is searched, and if the BSM of a certain intelligent terminal is consistent with the target vehicle represented by the vehicle moving request information, the searched intelligent terminal is used as the vehicle moving execution terminal.
Step 203: broadcasting the vehicle moving request information to a next-stage road side unit set through a PC5 air interface, so that road side units in the next-stage road side unit set search a vehicle moving execution terminal corresponding to the target vehicle, and sending the vehicle moving request information to the vehicle moving execution terminal.
In the implementation process, if it is determined that the target road side unit does not store the related information (license plate information and/or vehicle coordinate information) of the target vehicle, it is determined that the target vehicle does not exist in the target coverage area corresponding to the target road side unit, in this case, the vehicle moving request information is broadcasted to the next road side unit set through the PC5 air interface, the target vehicle is determined through the next road side unit set, the vehicle moving execution terminal corresponding to the target vehicle is determined, and the vehicle moving request information is sent to the vehicle moving execution terminal.
The foregoing broadcasting the vehicle moving request information to the cascaded next-stage roadside unit set through the PC5 air interface, as shown in fig. 6, specifically includes:
step 2031: next-stage MAC addresses of respective roadside units included in the set of next-stage roadside units of the phase cascade are determined.
Since the next-level set of roadside units cascaded with the target roadside unit typically includes a plurality of roadside units, each roadside unit may also have more than one next-level set of roadside units. In the implementation process, in order to quickly determine the target vehicle and the vehicle moving execution terminal, the vehicle moving request information is sent in a broadcasting mode through a PC5 air interface.
Before broadcasting, the target roadside unit needs to determine the next-stage MAC address of each roadside unit included in the next-stage roadside unit set, and so on.
Step 2032: and if the broadcasting threshold is not zero, broadcasting the vehicle moving request information to corresponding road side units through the PC5 air interface based on the next-stage MAC address.
In order to avoid that the vehicle moving request information is broadcast in all levels of road side units without limitation, a broadcast threshold is preset, and the vehicle moving request information is broadcast to corresponding road side units through a PC5 air interface according to the next-level MAC address only on the premise that the broadcast threshold is not zero. The initial value of the broadcast threshold is preset, and the value of the broadcast threshold is decreased as the number of the broadcast road side unit set increases. Preferably, the value of the broadcast threshold will be decremented by one for each broadcast level.
In order to track the searching process of the vehicle moving execution terminal, after sending the vehicle moving request information to the vehicle moving execution terminal or broadcasting the vehicle moving request information to the cascaded next-stage road side unit set through the PC5 air interface, the method further comprises the following steps:
(1) And determining the duration between the current time and the request time corresponding to the vehicle moving request information.
In the implementation process, the target road side unit determines the broadcasting duration of the vehicle moving request information in the process of broadcasting the vehicle moving request information, namely, after determining the request time corresponding to the vehicle moving request information, calculates the duration between the current time and the request time corresponding to the vehicle moving request information.
(2) And if the duration exceeds the preset duration, modifying the broadcasting threshold.
In the implementation process, if the time period exceeds the preset time period, the preset time period is usually the longest time period for which the target road side unit allows the vehicle moving request information to be broadcasted, in this case, the broadcasting threshold is allowed to be directly modified, for example, the value of the broadcasting threshold is rapidly reduced, and the like.
(3) And sending the vehicle moving request information to the vehicle moving execution terminal again. Or alternatively
After the broadcasting threshold is reset, the target road side unit sends the vehicle moving request information to the vehicle moving execution terminal again so as to resend the vehicle moving request information.
(4) And broadcasting the information to the next-stage road side unit set which is cascaded through the PC5 air interface, so that the next-stage road side unit set again sends the vehicle moving request information to the vehicle moving execution terminal.
After the broadcasting threshold is reset, the target road side unit broadcasts the vehicle moving request information to the cascaded next road side unit set through the PC5 air interface again, and therefore the next road side unit set sends the vehicle moving request information to the vehicle moving executing terminal again.
Meanwhile, in order to make the vehicle moving request terminal clearly move the existence of the vehicle moving execution terminal, after the vehicle moving request information is sent to the vehicle moving execution terminal, the method further comprises:
receiving the vehicle moving response information, and sending the vehicle moving response information to the vehicle moving request terminal through the PC5 air interface, wherein the vehicle moving response information is generated after the vehicle moving execution terminal confirms the vehicle moving request information.
In the implementation process, after receiving the vehicle moving request information, the vehicle moving execution terminal further confirms the vehicle moving request information, for example, checks whether the vehicle information is correct or not, generates vehicle moving response information after confirming the vehicle moving request information, and sends the vehicle moving response information to the vehicle moving request terminal through a PC5 air interface, so that the vehicle moving request terminal definitely responds to the vehicle moving request information.
It should be further noted that, receiving the vehicle moving response information includes: and receiving the vehicle moving response information through the unicast link.
The unicast link comprises a connection link established between the target road side unit and the vehicle moving execution terminal through a PC5 air interface. Or alternatively
The unicast link comprises a connection link established through a PC5 air interface between the vehicle moving execution terminal and the road side unit which intensively transmits the vehicle moving request information, a connection link established through the PC5 air interface between the road side unit which intensively transmits the vehicle moving request information and the target road side unit, and a connection link established through the PC5 air interface between the target road side unit and the vehicle moving request terminal.
In the implementation process, the vehicle moving response information is returned to the vehicle moving execution terminal in a unicast mode, and in the first case, the vehicle moving execution terminal is connected with the target road side unit, and in the first case, the target road side unit directly transmits the vehicle moving response information to the vehicle moving execution terminal through the PC5 air interface, namely, the target road side unit stores the MAC address and the like of the vehicle moving request terminal.
The second situation is that the vehicle moving execution terminal is connected with the next-stage road side unit, in this case, relative to the vehicle moving execution terminal, the vehicle moving execution terminal stores the MAC address of the road side unit that the previous-stage road side unit centrally transmits the vehicle moving request information, and the road side unit that the previous-stage road side unit centrally transmits the vehicle moving request information stores the MAC address of the target road side unit, so that the vehicle moving response information sequentially passes through the connection link established through the PC5 air interface between the road side units that the previous-stage road side unit centrally transmits the vehicle moving request information, the connection link established through the PC5 air interface between the road side unit that the previous-stage road side unit centrally transmits the vehicle moving request information and the target road side unit, and the connection link established through the PC5 air interface between the target road side unit and the vehicle moving request terminal.
The embodiment of the application also provides a vehicle moving information sending method, which is applied to a vehicle moving request terminal, and referring to fig. 7, the method comprises the following steps:
step 301: and determining vehicle moving request information, wherein the vehicle moving request information is determined based on a temporary vehicle identification and a request moment, the temporary vehicle identification is obtained by converting the acquired target license plate and/or target position information of the target vehicle, the temporary vehicle identification corresponds to the target vehicle one by one, and the request moment is the acquisition moment of the target license plate or the target position information.
In the implementation process, the vehicle moving request terminal generates vehicle moving request information, specifically, after the vehicle moving request terminal acquires the target license plate or the target position information, the target license plate and/or the target position information is converted to obtain a temporary vehicle identifier, the vehicle moving request information is further generated, the privacy of the vehicle is protected in a temporary vehicle identifier mode, and the transmission safety is improved.
Step 302: and sending the vehicle moving request information to the target road side unit through the PC5 air interface so that the target road side unit sends the vehicle moving request information to the vehicle moving execution terminal.
In the implementation process, after the vehicle moving request information is determined, the vehicle moving request terminal sends the vehicle moving request information to the target road side unit through the PC5 air interface, so that the target road side unit sends the vehicle moving request information to the vehicle moving execution terminal to finish sending the vehicle moving information.
Based on the same inventive concept, referring to fig. 8, an embodiment of the present application provides a target roadside terminal, including: a memory 801 for storing executable instructions; a processor 802 for reading and executing executable instructions stored in a memory and performing any of the methods of the first aspect described above.
Based on the same inventive concept, referring to fig. 9, an embodiment of the present application provides a vehicle moving request terminal, including: a memory 901 for storing executable instructions; a processor 902 for reading and executing executable instructions stored in a memory and performing any of the methods of the second aspect described above.
Based on the same inventive concept, embodiments of the present application provide a computer-readable storage medium, which when executed by a processor, causes the processor to perform the method of any one of the above-described first and second aspects.
In summary, in the embodiment of the present application, a method for sending vehicle moving information and a storage medium are provided, where the method includes: the method is applied to target road side units, wherein the road side unit group comprises a multi-stage road side unit set cascaded through a PC5 air interface, each stage road side unit set comprises at least one road side unit, and the target road side unit is any road side unit in the road side unit group, and the method comprises the following steps: searching whether a target vehicle corresponding to the received vehicle moving request information exists in the vehicle information set, wherein the vehicle moving request information is sent by a vehicle moving request terminal through a PC5 air interface, if so, searching a vehicle moving execution terminal corresponding to the target vehicle, and sending the vehicle moving request information to the vehicle moving execution terminal, wherein the vehicle moving execution terminal is connected with at least one road side unit in the road side unit group through the PC5 air interface, and if not, the vehicle moving request information is broadcast to a next road side unit set through the PC5 air interface, so that the road side unit in the next road side unit set searches the vehicle moving execution terminal corresponding to the target vehicle, and sends the vehicle moving request information to the vehicle moving execution terminal.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product system. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product system embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program product systems according to the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present application without departing from the spirit or scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims and the equivalents thereof, the present application is intended to cover such modifications and variations.
Claims (13)
1. The utility model provides a vehicle moving information sending method which is characterized in that the method is applied to a target road side unit, a road side unit group comprises a multi-stage road side unit set cascaded through a PC5 air interface, each stage of the road side unit set comprises at least one road side unit, and the target road side unit is any road side unit in the road side unit group, and the method comprises the following steps:
searching whether a target vehicle corresponding to the received vehicle moving request information exists in the vehicle information set, wherein the vehicle moving request information is sent by a vehicle moving request terminal through a PC5 air interface;
if so, searching a vehicle moving execution terminal corresponding to the target vehicle, and sending the vehicle moving request information to the vehicle moving execution terminal, wherein the vehicle moving execution terminal is connected with at least one road side unit in the road side unit group through a PC5 air interface;
if the vehicle moving request information does not exist, broadcasting the vehicle moving request information to a next-stage road side unit set through a PC5 air interface, so that road side units in the next-stage road side unit set search a vehicle moving execution terminal corresponding to a target vehicle, and sending the vehicle moving request information to the vehicle moving execution terminal.
2. The method of claim 1, wherein the vehicle information set is determined by:
respectively receiving basic safety information BSM of each vehicle in a target coverage range, wherein the BSM is broadcasted by a vehicle-mounted unit of the vehicle through a PC5 air interface;
analyzing running speed and vehicle coordinate information from the BSM, and if the running speed of the vehicle is zero, receiving license plate information and vehicle coordinate information of the vehicle with the running speed of zero, which are sent by acquisition equipment connected with the target road side unit;
the vehicle information set is determined based on the license plate information and the vehicle coordinate information of each vehicle.
3. The method of claim 2, wherein the initial position information corresponding to the vehicle moving execution terminal is identical to the vehicle coordinate information, and the acquisition time corresponding to the initial position information is identical to the acquisition time of the travel speed.
4. The method of claim 2, wherein the searching for the presence of the same target vehicle in the vehicle information set as the vehicle characterized by the received move request information comprises:
analyzing a temporary vehicle identifier corresponding to the received vehicle moving request information based on a corresponding relation between preset request information and the identifier;
determining the target license plate or target position information of the vehicle characterized by the temporary vehicle identification;
searching whether the license plate information which is the same as the target license plate exists in a vehicle information set, and determining the vehicle corresponding to the searched license plate information as the target vehicle; or alternatively
Searching whether the vehicle coordinate information which is the same as the target position information exists in a vehicle information set, and determining the vehicle corresponding to the searched vehicle coordinate information as the target vehicle.
5. The method of claim 1, wherein the locating a vehicle moving execution terminal corresponding to the target vehicle comprises:
determining BSM stored in each intelligent terminal connected with at least one road side unit in the target road side unit or the next road side unit set;
and searching an intelligent terminal corresponding to the BSM consistent with the target vehicle represented by the vehicle moving request information, and taking the searched intelligent terminal as the vehicle moving execution terminal.
6. The method of claim 1, wherein after the sending the move request information to the move execution terminal, further comprising:
receiving vehicle moving response information, and sending the vehicle moving response information to the vehicle moving request terminal through a PC5 air interface, wherein the vehicle moving response information is generated after the vehicle moving request information is confirmed by the vehicle moving execution terminal.
7. The method of claim 6, wherein the receiving the move response information comprises:
receiving the vehicle moving response information through a unicast link;
the unicast link comprises a connection link established between the target road side unit and the vehicle moving execution terminal through a PC5 air interface; or,
the unicast link comprises a connection link established through a PC5 air interface between the vehicle moving execution terminal and a road side unit of a previous-stage road side unit for intensively transmitting the vehicle moving request information, a connection link established through the PC5 air interface between the road side unit of the previous-stage road side unit for intensively transmitting the vehicle moving request information and the target road side unit, and a connection link established through the PC5 air interface between the target road side unit and the vehicle moving request terminal.
8. The method of claim 6, wherein broadcasting the move request information to a cascaded set of next-stage roadside units over a PC5 air interface comprises:
determining the next-stage MAC address of each road side unit included in the next-stage road side unit set of the phase cascade;
if the broadcasting threshold is not zero, broadcasting the vehicle moving request information to corresponding road side units through a PC5 air interface based on the next-stage MAC address;
the initial value of the broadcast threshold is preset, and the value of the broadcast threshold is decreased as the number of the broadcast road side unit set increases.
9. The method of claim 8, wherein after the sending the vehicle moving request information to the vehicle moving execution terminal or broadcasting to the cascaded next-stage roadside unit set through a PC5 air interface, further comprising:
determining the duration between the current time and the request time corresponding to the vehicle moving request information;
if the duration exceeds the preset duration, modifying the broadcast threshold;
the vehicle moving request information is sent to the vehicle moving execution terminal again; or alternatively
And broadcasting the information to a next-stage road side unit set which is cascaded through a PC5 air interface, so that the next-stage road side unit set again sends the vehicle moving request information to the vehicle moving execution terminal.
10. The vehicle moving information sending method is characterized by being applied to a vehicle moving request terminal and comprising the following steps of:
determining vehicle moving request information, wherein the vehicle moving request information is determined based on a temporary vehicle identification and request time, the temporary vehicle identification is obtained by converting the acquired target license plate and/or target position information of a target vehicle, the temporary vehicle identification corresponds to the target vehicle one by one, and the request time is the acquisition time of the target license plate or the target position information;
the method comprises the steps that the vehicle moving request information is sent to a target road side unit through a PC5 air interface, so that the target road side unit sends the vehicle moving request information to a vehicle moving execution terminal, wherein the PC5 air interface is an air interface between the target road side unit corresponding to the vehicle moving request terminal and the vehicle moving execution terminal, the target road side unit is any road side unit in a road side unit group, the road side unit group comprises a multi-stage road side unit set cascaded through the PC5 air interface, and each stage of road side unit set comprises at least one road side unit.
11. A target roadside terminal, comprising:
a memory for storing executable instructions;
a processor for reading and executing executable instructions stored in said memory to implement the method of any one of claims 1-9.
12. A vehicle moving request terminal, comprising:
a memory for storing executable instructions;
a processor for reading and executing executable instructions stored in the memory to implement the method of claim 10.
13. A computer readable storage medium, wherein instructions in the storage medium, when executed by a processor, enable the processor to perform the method of any one of claims 1-10.
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