WO2020238893A1 - Procédé et appareil de mise à niveau de rsu, rsu et relais de rsu - Google Patents

Procédé et appareil de mise à niveau de rsu, rsu et relais de rsu Download PDF

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Publication number
WO2020238893A1
WO2020238893A1 PCT/CN2020/092319 CN2020092319W WO2020238893A1 WO 2020238893 A1 WO2020238893 A1 WO 2020238893A1 CN 2020092319 W CN2020092319 W CN 2020092319W WO 2020238893 A1 WO2020238893 A1 WO 2020238893A1
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rsu
upgrade
synchronization information
neighboring
relay
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Chinese (zh)
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田艳艳
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ZTE Corp
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ZTE Corp
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00—Arrangements for software engineering
    • G06F8/60—Software deployment
    • G06F8/65—Updates

Definitions

  • This article relates to, but is not limited to, a road side unit (Road Side Unit, RSU) upgrade method and device, RSU, RSU relay, and computer-readable storage medium.
  • RSU Road Side Unit
  • the Internet of Vehicles provides two dedicated communication methods: vehicle-to-vehicle communication and vehicle-to-roadside unit (V2R) communication.
  • the Road Side Unit (RSU) has data storage and computing capabilities, and has a gateway function. It is a wireless transceiver device that can interact with the On Board Unit (OBU) in the vehicle and can be deployed independently Both sides of the road are used for large-area sensing and communication.
  • RSU can not only communicate with the vehicle through the wireless network, but also connect to the Internet to expand the application services of the Internet of Vehicles.
  • RSU's own software will need to be upgraded.
  • RSU products are deployed on both sides of the road, its working environment causes the particularity of its software upgrades.
  • the embodiments of the present disclosure provide a method and device for RSU upgrade, RSU, RSU relay, and computer-readable storage medium, so as to provide relatively stable V2R services during the software upgrade process.
  • the embodiment of the present disclosure provides a method for upgrading an RSU, including: a first RSU obtains upgrade synchronization information of a neighboring RSU, where the neighboring RSU is one or more preset RSUs; and the first RSU is based on the neighboring RSU When the upgrade synchronization information of the RSU determines that the neighboring RSU is in a non-upgrade state, the first RSU is upgraded.
  • the embodiment of the present disclosure also provides an RSU upgrade method, including: an RSU relay obtains upgrade synchronization information; the RSU relay determines a target RSU according to a neighboring RSU list in the upgrade synchronization information; and the RSU relay Send the upgrade synchronization information to the target RSU.
  • the embodiment of the present disclosure also provides an RSU upgrade device, including: a first obtaining unit, configured to obtain upgrade synchronization information of neighboring RSUs, where the neighboring RSUs are one or more preset RSUs; and the upgrading unit, according to When the upgrade synchronization information of the neighboring RSU determines that the neighboring RSU is in a non-upgrade state, the upgrade unit is used to upgrade the RSU.
  • a first obtaining unit configured to obtain upgrade synchronization information of neighboring RSUs, where the neighboring RSUs are one or more preset RSUs
  • the upgrading unit according to When the upgrade synchronization information of the neighboring RSU determines that the neighboring RSU is in a non-upgrade state, the upgrade unit is used to upgrade the RSU.
  • the embodiment of the present disclosure also provides an RSU upgrade device, including: a second acquiring unit, configured to acquire upgrade synchronization information; a determining unit, configured to determine a target RSU according to the neighboring RSU list in the upgrade synchronization information; and sending Unit for sending the upgrade synchronization information to the target RSU.
  • the embodiment of the present disclosure further provides an RSU, including: a memory, a processor, and a computer program stored on the memory and capable of running on the processor, and the method for upgrading the RSU according to the present disclosure is implemented when the processor executes the program .
  • the embodiment of the present disclosure further provides an RSU relay, including: a memory, a processor, and a computer program stored in the memory and running on the processor, and the processor implements the RSU upgrade according to the present disclosure when the program is executed. Methods.
  • the embodiments of the present disclosure also provide a computer-readable storage medium that stores computer-executable instructions.
  • the computer-executable instructions are executed by one or more processors, the one or more processors execute The method of RSU upgrade.
  • Fig. 1 is a flowchart of a method for RSU upgrade applied to RSU according to an embodiment of the present disclosure
  • Fig. 2 is a processing flowchart of the first RSU according to an application example of the present disclosure
  • Figure 3 is a schematic diagram of the composition of a first RSU according to an application example of the present disclosure
  • FIG. 4 is a flowchart of an RSU upgrade method applied to RSU relay according to an embodiment of the present disclosure
  • Fig. 5 is a processing flowchart of RSU relay according to an application example of the present disclosure
  • Figure 6 is a schematic diagram of the composition of an RSU relay according to an application example of the present disclosure.
  • FIG. 7 is a schematic diagram of forwarding upgrade synchronization information via passing vehicles before/after upgrade according to an application example of the present disclosure
  • FIG. 8 is a schematic diagram of the composition of an RSU upgrade device applied to RSU according to an embodiment of the present disclosure
  • FIG. 9 is a schematic diagram of the composition of an RSU upgrade device applied to RSU relay according to an embodiment of the present disclosure.
  • Figure 10 is a schematic diagram of the composition of an RSU according to an embodiment of the present disclosure.
  • Fig. 11 is a schematic diagram of the composition of an RSU relay according to an embodiment of the present disclosure.
  • the current upgrade plan is usually an upgrade plan for a single RSU without considering the overall status of the RSU on the entire road. If all RSUs on both sides of the road are upgraded at the same time, the road will temporarily fail to support the V2R function. If several adjacent RSUs are upgraded at the same time, there may be some road sections that cannot support the V2R function in the short term. Case.
  • the embodiments of the present disclosure propose a method, device, and system for RSU upgrade, in order to maintain the stability of the on-board network during the RSU upgrade period and provide acceptable and relatively stable V2R services.
  • the method for upgrading an RSU includes steps 101 to 102.
  • the first RSU obtains upgrade synchronization information of adjacent RSUs, where the adjacent RSUs are one or more preset RSUs.
  • the adjacent RSU may refer to one or more RSUs within a specified range from the first RSU. For example, the RSUs on both sides of the same road, the two RSUs closest to the first RSU, and so on.
  • the upgrade synchronization information includes an upgrade flag, which is used to indicate whether the RSU is in an upgrade state.
  • the upgrade flag of "upgrade soon” is used to correspond to the RSU being in the upgraded state
  • the upgrade flag of "idle” is used to correspond to the RSU being in the non-upgraded state.
  • the upgrade synchronization information may further include: the device number of its own RSU, GPS (Global Positioning System, global positioning system) location, and a list of nearby RSUs.
  • GPS Global Positioning System, global positioning system
  • the neighboring RSU list includes the device numbers of the neighboring RSUs.
  • the first RSU may use the following three methods to obtain the upgrade synchronization information of the neighboring RSU.
  • the first RSU directly obtains the upgrade synchronization information of the neighboring RSU through an ad hoc network.
  • Manner 2 The first RSU obtains the upgrade synchronization information of the neighboring RSU through relay and forwarding based on the V2R protocol by passing vehicles.
  • Manner 3 The first RSU obtains the upgrade synchronization information of the neighboring RSU through the relay and forwarding of the Internet of Vehicles cloud.
  • the relay party in the mode 2 and mode 3 can obtain the upgrade synchronization information of the neighboring RSU and forward it to the first RSU.
  • step 102 when the first RSU determines that the neighboring RSU is in a non-upgrade state according to the upgrade synchronization information of the neighboring RSU, the first RSU is upgraded.
  • the upgrade can be performed when all adjacent RSUs are in a non-upgraded state according to a preset strategy, or when some adjacent RSUs are in a non-upgraded state.
  • the method further includes: when the first RSU determines that the neighboring RSU is in an upgraded state according to the upgrade synchronization information of the neighboring RSU, the first RSU waits until the neighboring RSU is in a non-upgrade state Upgrade after status.
  • the method before the first RSU is upgraded, the method further includes: the first RSU sends its own upgrade synchronization information to the neighboring RSU, and the upgrade synchronization information carries the first RSU. Information about the RSU being upgraded.
  • the first RSU informs the neighboring RSUs that it is in an upgrade state.
  • the method further includes: the first RSU sends its own upgrade synchronization information to the neighboring RSU, and the upgrade synchronization information carries the first RSU. Information that the RSU is in a non-upgrade state.
  • the first RSU informs the neighboring RSUs that it is in a non-upgrade state.
  • the embodiments of the present disclosure utilize the Internet of Vehicles technology to optimize the upgrade strategy of the RSU, maintain the stability of the vehicle network during the RSU upgrade period, and provide acceptable and relatively stable V2R services, thereby significantly improving road traffic efficiency.
  • the processing flow of the first RSU includes the following steps 201 to 207.
  • step 201 the upgrade synchronization information of this RSU is collected.
  • the upgrade synchronization information may include the device number, GPS location, upgrade mark of the RSU, and the numbers of several nearby RSUs.
  • step 202 it is determined whether the upgrade flag of the RSU has changed, for example, from “idle” to “upgrade soon", or from “upgrade soon” to “free”. If there is a change, go to step 203; otherwise, go to step 201.
  • step 203 the upgrade synchronization information of the neighboring RSU is extracted, and then step 204 is entered.
  • step 204 it is determined whether there is an RSU whose upgrade mark is "upgrade soon" among the neighboring RSUs. If not, go to step 205; otherwise, go to step 203.
  • step 205 the upgrade synchronization information collected this time by this RSU is recorded and sent to the neighboring RSU.
  • step 206 it is determined whether the upgrade flag of this RSU is updated from "idle” to "upgrade soon", if yes, go to step 207, otherwise go to step 201.
  • step 207 upgrade this RSU, update the upgrade flag after the upgrade is completed, and proceed to step 201.
  • the RSU device may include three parts: an information collection module 301, an information processing module 302, and an information sending module 303.
  • the information collection module 301 is used to collect the upgrade synchronization information of the RSU (the upgrade synchronization information may include the device number of the RSU, the GPS location, the upgrade mark, and the numbers of several nearby RSUs), which may be collected every 10 seconds.
  • the information sending module 302 may support one or more of communication protocols such as self-organizing network protocol, V2R protocol, and cloud agreement protocol, and is used to send upgrade synchronization information to nearby RSUs.
  • the sending method may include: (1) direct sending through the RSU self-organizing network; (2) relay-forwarding based on the V2R protocol through passing vehicles; and (3) relay-forwarding through the cloud of car networking.
  • the relay party in the sending modes (2) and (3) can extract the neighboring RSU information and forward it to the designated target through the upgrade synchronization information of the sender RSU.
  • the information processing module 303 can determine whether it is necessary to send status information to the neighboring RSU according to the upgrade synchronization information of the RSU device itself; for the received upgrade synchronization information of the neighboring RSU, determine whether the RSU device itself can be upgraded currently, and when it can be upgraded, Upgrade the RSU equipment.
  • the method for RSU upgrade applied to RSU relay includes steps 401 to 403.
  • step 401 the RSU relay obtains the upgrade synchronization information.
  • the RSU relay may obtain the upgrade synchronization information from the source RSU through a V2R protocol or a cloud protocol.
  • the cloud protocol refers to an agreement between the RSU and the cloud.
  • the upgrade synchronization information may include: the device number of the RSU corresponding to the RSU relay itself, the GPS location, the upgrade flag, and the list of nearby RSUs.
  • the neighboring RSU list includes the device numbers of the neighboring RSUs.
  • step 402 the RSU relay determines the target RSU according to the neighboring RSU list in the upgrade synchronization information.
  • the target RSU is the RSU included in the adjacent RSU list.
  • step 403 the RSU relay sends the upgrade synchronization information to the target RSU.
  • the RSU relay may send the upgrade synchronization information to the target RSU through a V2R protocol or a cloud protocol.
  • the RSU relay deletes the upgrade synchronization information.
  • the RSU relay can delete the sent upgrade synchronization information.
  • the RSU relay may be a vehicle-mounted device or a cloud of the Internet of Vehicles. Referring to FIG. 5, the processing flow of the RSU relay includes steps 501 to 504.
  • step 501 the RSU relay reads a piece of upgrade synchronization information, and proceeds to step 502.
  • step 502 the RSU relay checks the neighboring RSU list in the upgrade synchronization information, and confirms the sending target RSU.
  • step 503 the RSU relays the upgrade synchronization information to the target RSU;
  • step 504 the RSU relay deletes the update synchronization information, and then proceeds to step 501.
  • the RSU relay used to cooperate with the RSU upgrade may include three parts: an information receiving module 601, an information processing module 602, and an information forwarding module 603.
  • the information receiving module 601 can receive the upgrade synchronization information sent from the RSU.
  • the information forwarding module 602 is responsible for sending the upgrade synchronization information to the target RSU.
  • the information processing module 603 is used to check the list of neighboring RSUs, so as to determine which targets to send upgrade synchronization information to which neighboring RSUs.
  • the following conditions are preset: (1) The interaction between RSUs uses the V2R protocol to upgrade the synchronization information through the relay-forwarding of passing vehicles; (2) No. 1, No. 2, and No. 3 RSUs are deployed in sequence On a section of the road, the RSUs adjacent to RSU No. 2 are only No. 1 and No. 3 RSUs; (3) At a certain moment, No. 2 RSU is in the "upgrading" state, and No. 1 and No. 3 RSUs are in the "idle” state. Pass car A in the direction of RSU No. 2 to 3, and car B in the direction of RSU No. 2 to No. 1; (4) After the upgrade of RSU No. 2 is completed, RSU No. 2 is in "idle” state, No. 1 and No. 3 The RSU is in the "idle” state, passing car C in the direction of RSU 2 to 3, and car D in the direction of RSU 2 to 1.
  • Step 1 No. 2 RSU collects its own upgrade synchronization information every 10 seconds. After comparing with the last recorded upgrade synchronization information, it is found that its upgrade flag has changed, that is, from "idle” to "upgrade soon "; Next, RSU No. 2 detects that it has received the upgrade synchronization information of adjacent RSUs (ie, RSU No. 1 and No. 3), and finds that RSU No. 1 and No. 3 are both in the "idle” state, so it confirms that it can be upgraded; RSU No. 2 Record this upgrade synchronization information, and prepare to send the information to RSUs 1 and 3.
  • the No. 2 RSU detects that the upgrade synchronization information of the No. 1 and No. 3 RSUs has the RSU upgrade mark as "upgrading soon", it can wait until the No. 1 and No. 3 RSUs are both in the "idle" state.
  • Step 2 Car A drives into the coverage area of RSU No. 2. Based on the V2R protocol, the on-board equipment receives the upgrade synchronization information sent by RSU No. 2 ("upgrade soon"); Car A leaves the coverage area of RSU No. 2 and enters Within the coverage of RSU No. 3, confirm that the current RSU is the target RSU to send information to, send the upgrade synchronization information to RSU No. 3 using the V2R protocol, and delete this information.
  • step 3 similar to step 2, car B drives into the coverage of RSU No. 2.
  • the on-board equipment receives the upgrade synchronization information ("upgrading soon") sent by RSU No. 2; car B leaves No. 2
  • the coverage of the RSU and enter the coverage of the No. 1 RSU confirm that the current RSU is the target RSU to send information to, send the upgrade synchronization information to the No. 1 RSU using the V2R protocol, and delete this information.
  • Step 4. No. 2 RSU is upgraded, and No. 1 and No. 3 RSUs continue to work to provide V2R services.
  • Step 5 After the upgrade of the No. 2 RSU is completed, its upgrade mark becomes "Idle"; then, the No. 2 RSU detects that it receives the upgrade synchronization information of the neighboring RSUs (ie, the No. 1 and No. 3 RSUs), and finds No. 1 and No. 3 RSUs are in the "idle” state, so you can send them upgrade synchronization information; RSU 2 records the upgrade synchronization information this time, and prepares to send the information to RSUs 1 and 3.
  • the No. 2 RSU detects that it receives the upgrade synchronization information of the neighboring RSUs (ie, the No. 1 and No. 3 RSUs), and finds No. 1 and No. 3 RSUs are in the "idle” state, so you can send them upgrade synchronization information; RSU 2 records the upgrade synchronization information this time, and prepares to send the information to RSUs 1 and 3.
  • Step 6 Car C drives into the coverage area of RSU No. 2. Based on the V2R protocol, the on-board equipment receives the upgrade synchronization information ("idle") sent by RSU No. 2; Car C leaves the coverage area of RSU No. 2 and enters 3. Within the coverage of RSU No., confirm that the current RSU is the target RSU to send information to, send the upgrade synchronization information to RSU No. 3 using the V2R protocol, and delete this message.
  • Step 7 similar to step 6, D car drives into the coverage of RSU No. 2.
  • the on-board equipment receives the upgrade synchronization information ("idle") sent by RSU No. 2, and car D leaves the area of RSU No. 2 Cover the range and enter the coverage of RSU No. 1, confirm that the current RSU is the target RSU to send information to, send the upgrade synchronization information to RSU No. 1 using the V2R protocol, and delete this information.
  • Step 8 No. 2 RSU can continue to work when it is idle to provide V2R services, and No. 1 and No. 3 RSUs can judge whether they can be upgraded according to their neighboring RSU information.
  • an embodiment of the present disclosure also provides a device for upgrading an RSU, which is applied to an RSU and includes a first obtaining unit 801 and an upgrading unit 802.
  • the first acquiring unit 801 is configured to acquire upgrade synchronization information of adjacent RSUs, where the adjacent RSUs are one or more preset RSUs.
  • the upgrading unit 802 upgrades the RSU when it determines that the adjacent RSU is in a non-upgraded state according to the upgrade synchronization information of the adjacent RSU.
  • the upgrading unit 802 when the upgrading unit 802 determines that the adjacent RSU is in the upgraded state according to the upgrade synchronization information of the adjacent RSU, it waits for the adjacent RSU to be in the non-upgraded state before upgrading the RSU.
  • the upgrade unit 802 is further configured to send the upgrade synchronization information of the RSU itself to the neighboring RSU, and the upgrade synchronization information carries information that the RSU itself is in an upgrade state.
  • the upgrade unit 802 is further configured to send the upgrade synchronization information of the RSU itself to the neighboring RSU, and the upgrade synchronization information carries information that the RSU itself is in a non-upgrade state.
  • the first obtaining unit 801 obtains the upgrade synchronization information of the neighboring RSUs in at least one of the following ways: directly obtaining the upgrade synchronization information of the neighboring RSUs through the self-organizing network; passing vehicles based on the V2R protocol The upgrade synchronization information of the neighboring RSU is obtained after forwarding; the upgrade synchronization information of the neighboring RSU is obtained through the cloud relay forwarding of the Internet of Vehicles.
  • the upgrade synchronization information includes an upgrade flag, which is used to indicate whether the RSU is in an upgrade state.
  • the upgrade synchronization information further includes at least one of the following: the device number of the RSU of the RSU itself, the global positioning system (GPS) location, and the list of nearby RSUs.
  • the neighboring RSU list includes the device numbers of the neighboring RSUs.
  • an embodiment of the present disclosure also provides an RSU upgrade device, which is applied to RSU relay, and includes a second acquiring unit 901, a determining unit 902, and a sending unit 903.
  • the second obtaining unit 901 is used to obtain upgrade synchronization information.
  • the determining unit 902 is configured to determine the target RSU according to the neighboring RSU list in the upgrade synchronization information.
  • the sending unit 903 is configured to send the upgrade synchronization information to the target RSU.
  • the second obtaining unit 901 is configured to obtain the upgrade synchronization information from the source RSU through a V2R protocol or a cloud protocol.
  • the device further includes a deleting unit for deleting the upgrade synchronization information.
  • an embodiment of the present disclosure also provides an RSU, which includes a memory 1001, a processor 1002, and a computer program 1003 stored on the memory 1001 and running on the processor 1002.
  • the processor 1002 executes the program 1003, the method for upgrading the RSU according to the embodiment of the present disclosure is implemented.
  • an embodiment of the present disclosure also provides an RSU relay, including: a memory 1101, a processor 1102, and a computer program 1103 that is stored on the memory 1101 and can run on the processor 1102.
  • the processor 1102 executes the program 1103, the method for upgrading the RSU according to the embodiment of the present disclosure is implemented.
  • the embodiments of the present disclosure also provide a computer-readable storage medium that stores computer-executable instructions.
  • the computer-executable instructions are executed by one or more processors, the one or more processors execute The RSU upgrade method of each embodiment.
  • the foregoing storage medium may include, but is not limited to: U disk, Read-Only Memory (ROM), Random Access Memory (RAM, Random Access Memory), mobile hard disk, magnetic disk or optical disk, etc.
  • U disk Read-Only Memory
  • RAM Random Access Memory
  • RAM Random Access Memory
  • mobile hard disk magnetic disk or optical disk, etc.
  • Computer storage medium includes volatile and non-volatile memory implemented in any method or technology for storing information (such as computer-readable instructions, data structures, program modules, or other data). Sexual, removable and non-removable media.
  • Computer storage media include but are not limited to RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disk (DVD) or other optical disk storage, magnetic cassette, tape, magnetic disk storage or other magnetic storage device, or Any other medium used to store desired information and that can be accessed by a computer.

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  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Information Transfer Between Computers (AREA)

Abstract

La présente invention concerne un procédé et un appareil de mise à niveau de RSU, une RSU et un relais de RSU. Le procédé comprend : l'acquisition, par une première RSU, d'informations de synchronisation de mise à niveau d'une RSU voisine, la RSU voisine étant une ou plusieurs RSU prédéfinies ; et lorsque la première RSU détermine, selon les informations de synchronisation de mise à niveau de la RSU voisine, que la RSU voisine est dans un état non mis à niveau, l'exécution, par la première RSU, d'une mise à niveau.
PCT/CN2020/092319 2019-05-27 2020-05-26 Procédé et appareil de mise à niveau de rsu, rsu et relais de rsu Ceased WO2020238893A1 (fr)

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WO2023245568A1 (fr) * 2022-06-23 2023-12-28 上海移远通信技术股份有限公司 Procédés et appareils de communication sans fil
CN116048578B (zh) * 2022-12-31 2026-03-17 北京万集科技股份有限公司 路侧设备升级方法和装置、存储介质和电子装置

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