WO2016206464A1 - Procédé et appareil de traitement de services internet des véhicules - Google Patents

Procédé et appareil de traitement de services internet des véhicules Download PDF

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Publication number
WO2016206464A1
WO2016206464A1 PCT/CN2016/079929 CN2016079929W WO2016206464A1 WO 2016206464 A1 WO2016206464 A1 WO 2016206464A1 CN 2016079929 W CN2016079929 W CN 2016079929W WO 2016206464 A1 WO2016206464 A1 WO 2016206464A1
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WIPO (PCT)
Prior art keywords
service
high priority
obu
resource
notification
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PCT/CN2016/079929
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English (en)
Chinese (zh)
Inventor
许辉
马子江
王亚英
谢玉堂
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中兴通讯股份有限公司
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Publication of WO2016206464A1 publication Critical patent/WO2016206464A1/fr

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    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B15/00—Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points
    • G07B15/06—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems

Definitions

  • the present application relates to, but is not limited to, the field of communications, and relates to a method and apparatus for processing a car networking service.
  • the technologies to improve vehicle safety are mainly divided into passive safety technology and active safety technology.
  • Passive safety technology is used to protect people inside and outside the vehicle after accidents.
  • Active safety technology is used to prevent and reduce accidents in vehicles and avoid injuries.
  • Active safety technology is the focus of modern vehicle safety technology development. And trends.
  • the communication-based collision warning system realizes real-time information interaction between the vehicle, the vehicle and the roadside infrastructure by using advanced wireless communication technology and a new generation of information processing technology, and informs each other of the current state (including the position and speed of the vehicle). Acceleration, driving route) and learned road environment information, collaboratively aware of road hazard conditions, timely providing a variety of collision warning information to prevent road traffic safety accidents, and become a new way for countries to solve road traffic safety problems. .
  • FIG. 1 is a schematic diagram of transmitting traffic and scheduling information to a vehicle through a network information platform in the related art
  • FIG. 2 is a schematic structural diagram of a LTE (Long Term Evolution) vehicle network in the related art.
  • V2X Vehicle to Everything refers to providing vehicle information through sensors, vehicle terminals and electronic tags mounted on vehicles, and adopting various communication technologies to realize vehicles and vehicles (Vehicle) To Vehicle (V2V), Vehicle to Personal (V2P), Vehicle to Infrastructure (V2I), and information on the information network platform Effective use of extraction, sharing, etc., effective control and provision of comprehensive services for vehicles.
  • the Road Side Unit can receive vehicle requests, ensure that the vehicle accesses the Internet (Internet), and has the function of a gateway; in addition, it also has the functions of data calculation, storage, and forwarding.
  • V2R Vehicle and Road Side Unit
  • V2I Vehicle and Road Side Unit
  • the RSU can quickly receive detected vehicles, traffic lights, and some road condition information, and process, reorder, and select the information before sending it to the vehicle.
  • connection with the RSU ensures that the vehicle can access the Internet reliably or in real time or download data stored by the RSU.
  • each vehicle supporting V2V communication needs to obtain the resources required for communication (such as communication frequency and time slot and other physical resources).
  • the resources required for V2V communication can be obtained in a competitive manner, such as: first use first, but this method may be more in the vehicle.
  • resource congestion and collisions occur.
  • there is a pre-allocated resource block but multiple vehicles use the same resources (such as the same frequency resources and time slot resources), which will make these vehicles unable to use the resources, so that the information of these vehicles can not be used. Send it out. Therefore, in V2V communication, if the vehicle obtains the resources in the resource pool in a competitive manner, it is easy to cause a collision and the vehicle information cannot be transmitted in time.
  • the embodiment of the present invention provides a method and a device for processing a car network service, so as to at least solve the related art, when an on-board unit (OBU) has an emergency service notification and needs to be sent, if there are multiple OBUs simultaneously transmitting the emergency service in a competitive manner, Resource conflicts, which lead to the failure of emergency service delivery.
  • OBU on-board unit
  • a method for processing a car network service including:
  • the onboard unit (OBU) in the car network acquires the priority of the car networking service
  • the OBU Determining, by the OBU, whether there is a high priority car networking service in the car networking service, wherein the high priority car networking service comprises: a high priority car networking service notification and a high priority car networking service information;
  • the OBU selects a resource to send the high priority car network service.
  • the method further includes: the OBU acquiring the high priority car network service notification and the high priority car network service information distribution
  • the resource pool to which the high-priority car network service notification belongs is independent of the resource pool to which the high-priority car network service information belongs, and the service resource pools of different priorities are independent of each other.
  • the method includes: the other OBUs located in the OBU neighboring area listen to the high priority car network service notification receiving resource pool or RSU Broadcasting the message and reading the high priority car network service notification in the resource pool; wherein the RSU broadcast message is used to indicate the resource configuration of the high priority car network service notification or the high priority car network service notification itself.
  • the OBU sends a high priority car network service by: the OBU selecting device to device (D2D) discovery or D2D communication sending the high priority car network service notification, where the D2D communication control channel is used In order to transmit high priority car network service notification, the D2D communication data channel is used to transmit high priority car network service information.
  • D2D device to device
  • the service notification includes at least one of the following: a service identifier, a service index, and an alarm identifier.
  • a processing device for a vehicle networking service which is located on an on-board unit (OBU) side in an Internet of Vehicles, and includes:
  • the first obtaining module is configured to: obtain a priority of the car networking service
  • the determining module is configured to: determine whether there is a high-priority car networking service in the car networking service, wherein the high-priority car networking service includes: a high-priority car networking service notification and a high-priority car networking service information;
  • the sending module is configured to: when the determining result of the determining module is yes, select a resource to send the high priority car networking service.
  • the device further includes: a second obtaining module, configured to: obtain, after the first acquiring module acquires a priority of the car networking service, the high priority car network service notification and the high priority a resource pool for the allocation of the information of the vehicle-to-vehicle service, wherein the resource pool to which the high-priority car network service notification belongs and the resource pool to which the high-priority vehicle network service information belongs are independent of each other, and the service resources of different priorities The pools are independent of each other.
  • a second obtaining module configured to: obtain, after the first acquiring module acquires a priority of the car networking service, the high priority car network service notification and the high priority a resource pool for the allocation of the information of the vehicle-to-vehicle service, wherein the resource pool to which the high-priority car network service notification belongs and the resource pool to which the high-priority vehicle network service information belongs are independent of each other, and the service resources of different priorities The pools are independent of each other.
  • the device further includes: a monitoring module, configured to: after the sending module selects a resource to send the high priority car networking service, listen to the high priority car network service notification receiving resource pool or RSU broadcast And notifying the high priority car network service notification in the resource pool; wherein the RSU broadcast message is used to indicate the resource configuration of the high priority car network service notification or the high priority car network service notification itself.
  • a monitoring module configured to: after the sending module selects a resource to send the high priority car networking service, listen to the high priority car network service notification receiving resource pool or RSU broadcast And notifying the high priority car network service notification in the resource pool; wherein the RSU broadcast message is used to indicate the resource configuration of the high priority car network service notification or the high priority car network service notification itself.
  • the sending module is configured to: select device-to-device (D2D) discovery or D2D communication to send the high-priority car network service notification, where the D2D communication control channel is used to transmit a high-priority car network service notification
  • the D2D communication data channel is used to transmit high priority car network service information.
  • the service notification includes at least one of the following: a service identifier, a service index, and an alarm identifier.
  • the embodiment of the invention further provides a computer readable storage medium storing computer executable instructions, which are implemented when the computer executable instructions are executed.
  • the OBU after the OBU obtains the priority of the local to-be-connected network service, it is determined whether there is a high-priority car network service in the to-be-connected network service, and if yes, the resource is selected to send the high priority.
  • the vehicle networking service that is, in the embodiment of the present invention, the high priority car networking service is sent first, and then the non-high priority car networking service is considered, thereby shortening the delay of the OBU to send the high priority car networking service.
  • the OBU has an emergency service notification to be sent, if there are multiple OBUs and the emergency service is sent in a competitive manner, the resource conflict occurs, and the emergency service transmission fails.
  • FIG. 1 is a schematic diagram of sending traffic and scheduling information to a vehicle through a network information platform in the related art
  • FIG. 2 is a schematic structural diagram of an LTE vehicle network in the related art
  • FIG. 3 is a flow chart of a method of processing a car network service according to an embodiment of the present invention.
  • FIG. 4 is a structural block diagram of a processing apparatus for a car networking service according to an embodiment of the present invention.
  • FIG. 5 is a flowchart of a method for processing a service notification according to an alternative embodiment of the present invention.
  • FIG. 6 is a flow chart of a method according to an alternative embodiment 1 of the present invention.
  • FIG. 7 is a flow chart of a method in accordance with an alternative embodiment 2 of the present invention.
  • Figure 8 is a flow chart of a method in accordance with an alternative embodiment 3 of the present invention.
  • FIG. 9 is a flow chart of a method in accordance with an alternative embodiment 4 of the present invention.
  • FIG. 10 is a schematic diagram of a system for resource allocation in accordance with an alternative embodiment of the present invention.
  • FIG. 11 is a schematic diagram of an OBU for resource allocation in accordance with an alternative embodiment of the present invention.
  • FIG. 3 is a flowchart of a method for processing a car network service according to an embodiment of the present invention. As shown in FIG. 3, the steps of the method include:
  • Step S302 The onboard unit (OBU) in the car network acquires the priority of the local to-be-wired service;
  • Step S304 The OBU determines whether there is a high priority car networking service in the to-be-connected network service
  • the high-priority car networking business includes: high-priority car networking service notification and high-priority car networking business information;
  • Step S306 When the determination result is yes, the OBU selects the resource to send the high priority vehicle network service; wherein the OBU selects the resource to send the high priority car network service notification and the high priority car network service information respectively.
  • step S302 step S304, and step S306 of the embodiment, after the OBU obtains the priority of the local to-be-wired service, it determines whether there is a high-priority car network service in the to-be-wired service, and if so, selects the resource.
  • the high-priority car networking service is sent, that is, in this embodiment, the high-priority car networking service is sent first, and then the non-high-priority car networking service is considered, thereby shortening the OBU to send the high-priority car networking service.
  • the delay solves the problem that when the OBU has an emergency service notification to be sent in the related art, if there are multiple OBUs and the emergency service is sent in a competitive manner, the resource conflicts, resulting in the failure of the emergency service transmission.
  • the method of the embodiment may further include: the OBU acquiring a resource pool allocated for the high priority car network service notification and the high priority car network service information, where The resource pool to which the high-priority car network service notification belongs and the resource pool to which the high-priority car network service information belongs are independent of each other, and the service resource pools of different priorities are independent of each other.
  • the resource pool involved in this embodiment may include: a sending resource pool and a receiving resource pool, where the sending resource pool is a resource pool used for high-priority V2X services, that is, D2D resources in related art.
  • the pools are independent of each other; the receiving resource pool is also a high-priority resource pool, which is independent of the resource pool of the ordinary V2X service, that is, the OBU monitors different receiving resource pools.
  • the resource pool can be indicated by one or more of the following information: time-frequency location/index, loop Prefix (CP, Cyclic Prefix) length, period, modulation and coding scheme (MCS, Modulation and Coding Scheme).
  • the method in this embodiment may further include: the other OBU located in the vicinity of the OBU monitors the high priority car network (V2X).
  • the service notification receives the resource pool or RSU broadcast message and reads the high priority car network service notification in the resource pool; wherein the RSU broadcast message is used to indicate resource allocation or high priority car networking for high priority car network service notification Business notification itself.
  • the manner in which the OBU selects resources in the embodiment includes: scheduling and autonomous selection, where the scheduling refers to the base station (eNB) or the RSU performing resource scheduling according to the request of the OBU; the autonomous selection refers to the OBU in the resource. Select the required resources in the pool.
  • OBU selects device-to-device (D2D) discovery or D2D communication to send high-priority car network service notifications, wherein the D2D communication control channel is used for high transmission.
  • D2D communication control channel is used for high transmission.
  • Priority car networking service notification D2D communication data channel is used to transmit high priority car networking service information.
  • the D2D discovery is used to transmit the high-priority V2X service notification, the content discovered by the D2D itself is a high-priority V2X service, and the content is accessed.
  • the V2X service information indicates the resource location of the D2D communication data channel in the D2D communication control channel, and the monitoring OBU can further obtain the required high priority V2X service information according to the received notification message.
  • the service information refers to high priority V2X service data or content.
  • the service notification in this embodiment includes at least one of the following: a service identifier, an index, and an alarm identifier.
  • the alarm identifier is used to indicate that a high priority car networking service is generated.
  • the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation.
  • the technical solution of the present application which is essential or contributes to the prior art, may be in the form of a software product.
  • the computer software product is stored in a storage medium (such as ROM/RAM, disk, optical disk), and includes a plurality of instructions for making a terminal device (which may be a mobile phone, a computer, a server, or a network device, etc.)
  • a terminal device which may be a mobile phone, a computer, a server, or a network device, etc.
  • the embodiment also provides a processing device for the vehicle networking service, which is used to implement the above-mentioned embodiments and optional embodiments, and has not been described again.
  • the term "module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • FIG. 4 is a structural block diagram of a processing device for a car networking service according to an embodiment of the present invention.
  • the device is located on an on-board unit (OBU) side of the car network, as shown in FIG. 4, the device includes:
  • OBU on-board unit
  • the first obtaining module 42 is configured to: obtain a priority of the car networking service
  • the determining module 44 is coupled to the first obtaining module 42 and configured to: determine whether there is a high priority car networking service in the car networking service, wherein the priority car networking service includes: high priority car networking service notification and high priority Level car networking business information;
  • the sending module 46 is coupled to the determining module 44, and is configured to: when the determination result is yes, select a resource to send the high priority car networking service.
  • the sending module 46 is configured to: select a device-to-device (D2D) discovery or a D2D communication to send a high-priority car network service notification, where the D2D communication control channel is used to transmit a high-priority car network service notification, D2D The communication data channel is used to transmit high priority car network service information.
  • D2D device-to-device
  • the device further includes: a second obtaining module, configured to: obtain the high priority car network service notification and the high priority car networking service information before the first obtaining module 42 obtains the priority of the car networking service
  • the allocated resource pool wherein the resource pool to which the high-priority car network service notification belongs and the resource pool to which the high-priority car network service information belongs are independent of each other, and the service resource pools of different priorities are independent of each other.
  • the device further includes: a monitoring module, configured to: after the sending module 46 selects a resource to send the high-priority car networking service, listen to the high-priority V2X service notification receiving resource pool or the RSU broadcast message, and read the resource. High priority car network service notification in the pool; wherein the RSU broadcast message is used to indicate resource allocation or high priority car networking service for high priority car network service notification Notify yourself.
  • the service notification involved in this embodiment includes at least one of the following: a service identifier, a service index, and an alarm identifier.
  • the optional embodiment provides a method for processing a service notification, the method comprising: a roadside unit (RSU) transmitting resource allocation information of a high priority car networking (V2X) service notification, and an onboard unit (OBU) receiving the information.
  • RSU roadside unit
  • V2X high priority car networking
  • OBU onboard unit
  • the delay of the OBU to send the high-priority V2X service notification is shortened, the collision probability of the high-priority V2X service notification is reduced, and the probability of sending the high-priority V2X service notification is improved.
  • FIG. 5 is a flowchart of a method for processing a service notification according to an alternative embodiment of the present invention. As shown in FIG. 5, the steps of the method include:
  • step S501 the RSU allocates a resource pool for the high priority car network (V2X) service notification.
  • V2X high priority car network
  • the RSU is a base station (eNB) or a stationary UE (User Equipment) or a dedicated RSU (such as an access point (AP) in the communication protocol 802.11P); the high priority V2X service is a predefined service. Or the business specified by the RSU.
  • eNB base station
  • UE User Equipment
  • AP access point
  • the high priority V2X service is a predefined service. Or the business specified by the RSU.
  • the service notification refers to the information indicating the high priority V2X service, not the high priority V2X service itself; the content of the high priority V2X service notification is limited, generally indicated by one or more bits; the high priority V2X service
  • the notification includes at least one of the following: a high priority V2X service identifier or a service index.
  • the OBU can use the D2D discovery or the D2D communication to implement the V2X service notification transmission.
  • the D2D discovery or the D2D communication control channel can be used. Notification information.
  • V2X includes: V2V, V2I, V2P.
  • the resource pool includes: a sending resource pool and a receiving resource pool, wherein the sending resource pool is a resource pool used for high-priority V2X service notification, that is, independent of the D2D resource pool in the related art; High-priority resource pool, which is related to the resource pool of common V2X service notifications. Independent of each other, the OBU monitors different receiving resource pools.
  • the resource pool may be indicated by one or more of the following: time-frequency location/index, cyclic prefix (CP) length, period, modulation and coding scheme (MCS).
  • the resource pool is a resource pool selected by the OBU.
  • the self-selected resource pool can be used in the scenario where the OBU is within or outside the coverage of the RSU. Within the RSU coverage, the RSU determines whether the OBU uses autonomously selected resources.
  • the allocation further includes: the RSU sends a resource allocation notification message.
  • the resource allocation notification message is sent by a broadcast message or a dedicated RRC (Radio Resource Control) message.
  • RRC Radio Resource Control
  • the RSU needs to allocate a corresponding resource pool for non-high priority or normal V2X service notifications.
  • the resource pool is selected from the uplink Uu port resources in the LTE network.
  • step S502 the OBU determines whether there is a high priority V2X service transmission, and if yes, proceeds to step S503, otherwise proceeds to step S504.
  • the high-priority V2X service needs to be defined and saved in the OBU in advance.
  • the OBU judges whether it is a high-priority V2X service according to the comparison relationship between the received service attribute and the definition of the high-priority service type. If it is compared with each other, it is a high priority. Level V2X service, otherwise it is a non-high priority V2X service or a normal V2X service.
  • step S501 and step S502 may exchange order in some cases, such as when the RSU allocates high priority V2X service notification resources by using dedicated RRC signaling.
  • Step S503 the OBU selects a resource to send a high priority V2X service notification.
  • the OBU selects a resource in the high priority V2X service resource pool specified in step S501 to send a high priority V2X service notification.
  • the OBU divides the high-priority V2X service into important information or secondary information, and the important information and the secondary information are separately sent.
  • the important information is sent by the high-priority V2X service notification, and the secondary information is the high-priority V2X service information. .
  • the OBU is in an RRC connection (RRC_Connected) or RRC idle (RRC_Idle) mode, and the OBU sends a service notification at a time specified by the resource pool, and the transmission is broadcast or more. Broadcast mode; the OBU located in the neighboring area listens to the high priority V2X service notification receiving resource pool and reads the corresponding service notification message.
  • the resource pool includes: a sending resource pool and a receiving resource pool, wherein the high-priority V2X service notification sending resource pool and the ordinary V2X service notification sending resource pool are independent of each other, and the high-priority V2X service notification receiving resource pool and The common V2X service notification resource pools are also independent of each other.
  • the OBUs respectively listen to V2X service notification messages of different priorities.
  • the D2D discovery is used to transmit the high-priority V2X service notification
  • the content discovered by the D2D itself is a high-priority V2X service, and the content is transparent to the access layer, that is, the access layer sends the content to the upper layer to obtain the high priority required.
  • Level V2X service content if the D2D communication control channel is used to transmit the high priority V2X service notification, the D2D communication data channel is used to transmit the high priority V2X service information, and the resource location of the D2D communication data channel is indicated in the D2D communication control channel,
  • the monitoring OBU can further obtain the required high priority V2X service information according to the received notification message.
  • Step S504 the OBU sends a non-high priority V2X service notification.
  • the non-high priority V2X is a normal V2X service notification, and the OBU selects a resource for sending a normal or non-high priority V2X service notification in a resource pool allocated for the normal V2X service notification.
  • the common V2X service and the non-high priority V2X service have the same meaning.
  • the content of the D2D discovery is a normal V2X service, and the content is transparent to the access layer, that is, the access layer sends the content to the upper layer to obtain the required ordinary V2X service content;
  • the D2D communication data channel is used to transmit the normal V2X service information, and the D2D communication data channel is used to transmit the normal V2X service information, and the resource location of the D2D communication data channel is indicated in the D2D communication control channel, and the monitoring OBU further according to the received notification message. You can get the required V2X business information.
  • the OBU is equivalent to a user equipment (UE).
  • FIG. 6 is a flowchart of a method according to an alternative embodiment of the present invention. As shown in FIG. 6, the steps of the method include:
  • step S601 the RSU allocates an autonomous selection resource pool of the high priority V2X service notification.
  • the self-selected resource pool is used by the OBU to independently send a high-priority V2X service notification; the RSU notifies the allocated resource pool through a system broadcast message or a dedicated RRC message.
  • the parameters of the resource pool are generally different from those of the ordinary V2X service resource pool, such as a shorter period and a more conservative MCS.
  • step S602 the RSU instructs the OBU to independently select a resource.
  • the RSU instructs the OBU to independently select a resource through a system broadcast message or a dedicated RRC message.
  • step S603 the OBU determines whether there is a high priority V2X service, and if yes, proceeds to step S604, otherwise, proceeds to step S605.
  • the OBU determines whether there is a high priority V2X service according to a predefined rule or an indication of the RSU. If the definition rule is met or the RSU indicates that the service is a high priority, the OBU determines that there is a high priority V2X service.
  • Step S604 the OBU selects a resource for sending a high priority V2X service notification.
  • the OBU selects resources in the high priority V2X service notification resource pool.
  • the OBU is in RRC_Connected or RRC_Idle mode.
  • the OBU sends a service notification at the time specified by the resource pool or immediately.
  • the OBU monitors the high-priority V2X service notification receiving resource pool and reads the corresponding service notification message.
  • the OBU of the neighboring area can determine whether the received service notification message is a high priority V2X service notification according to the location of the resource pool.
  • Step S605 the OBU selects a resource for sending a normal V2X service notification.
  • the OBU selects a resource in the normal service notification resource pool. If the D2D discovery is used to transmit the V2X service notification, the OBU selects the D2D discovery resource to send the service notification.
  • the D2D communication transmits the V2X service notification, and the OBU first transmits the control signaling through the D2D communication control channel, and then transmits the V2X service data according to the location indicated by the foregoing control signaling.
  • FIG. 7 is a flowchart of the method according to the second embodiment of the present invention. As shown in FIG. 7, the steps of the method include:
  • step S701 the RSU pre-allocates the D2D discovery resource pool.
  • the pre-allocation is performed when the OBU is in the RSU coverage and is notified to the OBU (the OBU stores the pre-allocated resources), or directly stored in the OBU (such as a USIM (Universal Subscriber Identity Module) card); Pre-allocation is generally done by the RSU.
  • the resource pool includes: a sending resource pool and a receiving resource pool.
  • the sending resource pool is configured to send a high-priority V2X service notification outside the RSU coverage, and the receiving resource pool is used by the OBU to monitor the high-priority V2X service notification outside the RSU coverage.
  • Step S702 the RSU instructs the OBU to independently select a resource.
  • step S703 the OBU determines whether there is a high priority V2X service, and if yes, proceeds to step S704, otherwise, proceeds to step S705.
  • the OBU determines whether there is a high priority V2X service according to a predefined rule or an indication of the RSU. If the definition rule is met or the RSU indicates that the service is a high priority, the OBU determines that there is a high priority V2X service.
  • Step S704 the OBU selects a resource for sending a high priority V2X service notification.
  • the OBU selects resources in the high priority v2X service notification resource pool.
  • the OBU is in the RRC_Idle mode.
  • the OBU sends a service notification at the time specified by the resource pool or immediately.
  • the OBU monitors the high-priority V2X service notification receiving resource pool and reads the corresponding service notification message.
  • the OBU of the neighboring area can determine whether the received service notification message is a high priority V2X service notification according to the location of the resource pool.
  • Step S705 the OBU selects a resource for sending a normal V2X service notification.
  • the OBU selects resources in the normal service notification resource pool, if D2D discovery is adopted.
  • the OBU selects the D2D discovery resource for sending the service notification; if the D2D communication is used to transmit the V2X service notification, the OBU first sends the control signaling through the D2D communication control channel, and then sends the V2X according to the location indicated by the control signaling.
  • Business data is not limited to:
  • FIG. 8 is a flowchart of a method according to an alternative embodiment of the present invention. As shown in FIG. 8, the steps of the method include:
  • step S801 the RSU allocates a D2D communication control channel resource pool.
  • the RSU allocates a resource pool in the uplink Uu port resource of the LTE network.
  • the resource pool includes: a sending resource pool and a receiving resource pool; the resource pool and the D2D resource pool in the related art are independent of each other; the D2D communication control channel is a PSSCH (Physical Sidelink Control Channel), and is used for transmitting signaling related to D2D communication data configuration. And high priority V2X service notifications;
  • the RSU notifies the OBU of the allocated resource pool through a system broadcast message or a dedicated RRC message.
  • Step S802 the RSU instructs the OBU to adopt an autonomous resource selection mode.
  • the RSU instructs the OBU to independently select a resource through a system broadcast message or a dedicated RRC message.
  • step S803 the OBU determines whether there is a high priority V2X service, and if yes, proceeds to step S804, otherwise, proceeds to step S805.
  • the OBU determines whether there is a high priority V2X service according to a predefined rule or an indication of the RSU. If the definition rule is met or the RSU indicates that the service is a high priority, the OBU determines that there is a high priority V2X service.
  • Step S804 the OBU selects a resource for sending a high priority V2X service notification.
  • the OBU selects resources in the sending resource pool.
  • the OBU is in RRC_Connected or RRC_Idle mode.
  • the OBU sends a service notification at the time specified by the resource pool or immediately, and the OBU listens to receive the resource pool in the neighboring area, and reads the corresponding service notification message.
  • the OBU of the neighboring area can determine whether the received service notification message is a high priority V2X service notification according to the location of the resource pool.
  • the resource configuration information of the D2D communication data channel such as the resource location, the OBU identifier, the received OBU identifier, and the MCS, is also sent on the resource; the monitored OBU is based on the resource configuration information.
  • the required high priority V2X service information is obtained on the corresponding D2D communication data channel.
  • Step S805 the OBU selects a resource for sending a normal V2X service notification.
  • the OBU selects a resource in the normal service notification resource pool. If the D2D discovery is used to transmit the V2X service notification, the OBU selects the D2D discovery resource to send the service notification. If the D2D communication is used to transmit the V2X service notification, the OBU first controls through the D2D communication. The channel transmits control signaling, and then transmits V2X service data according to the location indicated by the above control signaling.
  • FIG. 9 is a flowchart of the method according to the fourth embodiment of the present invention. As shown in FIG. 9, the steps of the method include:
  • Step S901 the RSU pre-allocates the D2D communication control channel to autonomously select a resource pool.
  • the pre-allocation is performed when the OBU is in the RSU coverage and notifies the OBU (the OBU stores the above-mentioned pre-allocated resources), or directly into the OBU's memory card (such as the USIM card); the pre-allocation is generally completed by the RSU.
  • the resource pool includes: a sending resource pool and a receiving resource pool.
  • the sending resource pool is configured to send a high-priority V2X service notification outside the RSU coverage, and the receiving resource pool is used by the OBU to monitor the high-priority V2X service notification outside the RSU coverage.
  • the D2D communication control channel is a PSSCH (Physical Sidelink Control Channel) for transmitting signaling related to D2D communication data configuration and high priority V2X service notification.
  • PSSCH Physical Sidelink Control Channel
  • step S902 the OBU determines whether there is a high priority V2X service, and if yes, proceeds to step S903, otherwise, proceeds to step S904.
  • the OBU determines whether there is a high priority V2X service according to a predefined rule or an indication of the RSU. If the definition rule is met or the RSU indicates that the service is a high priority, the OBU determines that there is a high priority V2X service.
  • Step S903 the OBU selects a resource for sending a high priority V2X service notification.
  • the OBU selects resources in the sending resource pool.
  • OBU is RRC_Connected or RRC_Idle mode.
  • the OBU sends a service notification at the time specified by the resource pool or immediately, and the OBU listens to receive the resource pool in the neighboring area, and reads the corresponding service notification message.
  • the OBU of the neighboring area can determine whether the received service notification message is a high priority V2X service notification according to the location of the resource pool.
  • the resource configuration information of the D2D communication data channel such as the resource location, the OBU identifier, the received OBU identifier, and the MCS, is also sent on the resource; the monitored OBU is based on the resource configuration information.
  • the required high priority V2X service information is obtained on the corresponding D2D communication data channel.
  • Step S904 the OBU selects a resource for sending a normal V2X service notification.
  • the OBU selects a resource in the normal service notification resource pool. If the D2D discovery is used to transmit the V2X service notification, the OBU selects the D2D discovery resource to send the service notification. If the D2D communication is used to transmit the V2X service notification, the OBU first controls through the D2D communication. The channel transmits control signaling, and then transmits V2X service data according to the location indicated by the above control signaling.
  • FIG. 10 is a schematic diagram of a system for resource allocation according to an alternative embodiment of the present invention. As shown in FIG. 10, the system includes: an OBU 60 and an RSU 61;
  • the RSU 61 is configured to: allocate and notify a high priority V2X service notification resource, and indicate that the OBU 60 in the coverage area adopts an autonomous resource selection mode;
  • the OBU 60 is configured to: receive the resource allocation information sent by the RSU 61, determine whether there is a high priority V2X service, select a resource to send a high priority V2X service notification, and listen to the high priority V2X service notification in the receiving resource pool.
  • FIG. 11 is a schematic diagram of an OBU for resource allocation according to an alternative embodiment of the present invention.
  • the OBU includes: a determining unit 600, a receiving unit 601, and a sending unit 602:
  • the determining unit 600 is configured to: determine whether it is a high priority V2X service and whether a resource conflict occurs;
  • the receiving unit 601 is configured to: receive resource pool configuration information and resource selection mode indication information;
  • the sending unit 602 is configured to: send a high priority V2X service notification and high priority V2X service information.
  • the embodiment of the invention further provides a computer readable storage medium.
  • the computer readable storage medium may be configured to store program code for performing the following steps:
  • Step S1 The OBU in the Internet of Vehicles obtains the priority of the local to-be-wired service
  • Step S2 The OBU determines whether there is a high-priority car networking service in the to-be-connected network service; wherein the high-priority car networking service includes: a high-priority car networking service notification and a high-priority car networking service information;
  • Step S3 When the judgment result is YES, the OBU selects a resource to send a high priority car network service.
  • the computer readable storage medium may include, but is not limited to, a USB flash drive, a Read-Only Memory (ROM), a Random Access Memory (RAM), and a mobile device.
  • ROM Read-Only Memory
  • RAM Random Access Memory
  • modules or steps of the present application can be implemented by a general computing device, which can be concentrated on a single computing device or distributed in a network composed of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module.
  • the application is not limited to any particular combination of hardware and software.
  • the embodiment of the invention provides a method and a device for processing a car network service, which shortens the delay of the OBU to send a high-priority car network service, and further solves the problem that when the OBU has an emergency service notification to be sent,
  • the OBU also uses the contention method to send emergency services, causing resource conflicts, which leads to the failure of emergency service transmission.

Abstract

L'invention concerne un procédé de traitement de services Internet des véhicules qui comprend les étapes suivantes : une unité embarquée (OBU) dans Internet des véhicules obtient une priorité de services Internet des véhicules ; l'OBU détermine s'il existe un service Internet des véhicules à haute priorité parmi les services Internet des véhicules, le service Internet des véhicules à haute priorité comprenant : une notification de service service Internet des véhicules à haute priorité et des informations de service Internet des véhicules à haute priorité ; et l'OBU sélectionne des ressources pour envoyer le service Internet des véhicules à haute priorité quand le résultat déterminé est affirmatif. Le procédé résout le problème, dans l'état de la technique, d'échec d'envoi d'un service d'urgence causé par un conflit de ressources généré quand il existe de multiples OBU envoyant simultanément des services d'urgence d'une manière en concurrence lorsqu'une OBU a besoin d'envoyer une notification de service d'urgence.
PCT/CN2016/079929 2015-06-26 2016-04-21 Procédé et appareil de traitement de services internet des véhicules WO2016206464A1 (fr)

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