WO2020253542A1 - 用于车辆通信的副链路监测方法和相关装置 - Google Patents

用于车辆通信的副链路监测方法和相关装置 Download PDF

Info

Publication number
WO2020253542A1
WO2020253542A1 PCT/CN2020/094313 CN2020094313W WO2020253542A1 WO 2020253542 A1 WO2020253542 A1 WO 2020253542A1 CN 2020094313 W CN2020094313 W CN 2020094313W WO 2020253542 A1 WO2020253542 A1 WO 2020253542A1
Authority
WO
WIPO (PCT)
Prior art keywords
link
unicast link
unicast
vehicle communication
faulty
Prior art date
Application number
PCT/CN2020/094313
Other languages
English (en)
French (fr)
Inventor
王涛
Original Assignee
腾讯科技（深圳）有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 腾讯科技（深圳）有限公司 filed Critical 腾讯科技（深圳）有限公司
Priority to EP20827105.6A priority Critical patent/EP3927005A4/en
Priority to KR1020217033223A priority patent/KR20210137194A/ko
Priority to JP2021553845A priority patent/JP7234402B2/ja
Publication of WO2020253542A1 publication Critical patent/WO2020253542A1/zh
Priority to US17/461,671 priority patent/US20210392533A1/en

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/12—Setup of transport tunnels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H04W4/46—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for vehicle-to-vehicle communication [V2V]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/18—Management of setup rejection or failure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/30—Connection release
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/16—Interfaces between hierarchically similar devices
    • H04W92/18—Interfaces between hierarchically similar devices between terminal devices
    • 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]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/19—Connection re-establishment

Definitions

  • This application relates to the field of computer and communication technology, and in particular to a method and related devices for monitoring secondary links for vehicle communication.
  • V2X vehicle to Everything, vehicle to the outside world
  • Effectiveness means that data transmission can be timely and can be reflected in low latency; reliability refers to data transmission. Low packet loss rate.
  • the embodiments of the present application provide a secondary link monitoring method and related devices for vehicle communication, which can ensure the transmission effectiveness and reliability of unicast links to a certain extent, and is beneficial to improve the efficiency of wireless communication resources. Utilization rate.
  • a secondary link monitoring method for vehicle communication the method is executed by a first vehicle communication terminal, and the secondary link monitoring method includes: communicating with a second vehicle communication terminal Establish a unicast link; monitor the communication quality of the unicast link, and determine whether the unicast link is faulty according to the communication quality of the unicast link; if it is determined that the unicast link is faulty, and in the first If it is not recovered within a predetermined time, the unicast link is released.
  • a first vehicle communication terminal including: a link establishment unit, configured to establish a unicast link with a second vehicle communication terminal; and a monitoring unit, configured to monitor the unicast
  • the communication quality of the link is used to determine whether the unicast link is faulty according to the communication quality of the unicast link; the processing unit is configured to determine whether the unicast link is faulty and does not recover within a first predetermined time When the time, the unicast link is released.
  • the monitoring unit is configured to: use the radio link control layer to count the number of transmission failures based on the unicast link; if the transmission failure is based on the unicast link When the number of times reaches the set number of times, it is determined that the unicast link is faulty.
  • the monitoring unit is configured to: send a secondary link detection signal through the media access control layer; determine the unicast link based on the detection result of the secondary link detection signal Whether the circuit is faulty.
  • the monitoring unit is configured to detect, through the media access control layer, a handshake data packet based on random access sent by the first vehicle communication terminal according to the unicast link; Based on the detection result of the handshake data packet, it is determined whether the unicast link is faulty.
  • the monitoring unit is configured to measure the signal quality of the reference signal sent by the second vehicle communication terminal through the unicast link through the physical layer; The signal quality of the signal determines whether the unicast link is faulty.
  • the monitoring unit is further configured to: after determining that the unicast link fails, continue to measure the reference signal through the physical layer within a second predetermined time. Signal quality, the second predetermined time is less than the first predetermined time; if it is determined that the unicast link returns to normal according to the signal quality of the reference signal within the second predetermined time, then the unicast is determined The physical layer of the link returns to normal.
  • the monitoring unit is configured to count the reception confirmation information fed back by the second vehicle communication terminal through the physical layer, and the reception confirmation information is communicated by the second vehicle. It is sent by the terminal according to the reception status of the communication message transmitted through the unicast link; according to the statistical reception confirmation information fed back by the second vehicle communication terminal, the number of reception failures of the second vehicle communication terminal is determined; according to The number of reception failures by the second vehicle communication terminal determines whether the unicast link is faulty.
  • the monitoring unit is configured to monitor the communication quality of the unicast link through the physical layer, the medium access control layer, and the radio link control layer; If at least one of the layer, the medium access control layer, and the radio link control layer determines that the communication quality of the unicast link is abnormal, it is determined that the unicast link is faulty.
  • the monitoring unit is further configured to: within the first predetermined time after the unicast link failure is determined, if the physical layer detects the unicast link If the broadcast link returns to normal, it sends indication information to the media access control layer to trigger the media access control layer to monitor whether the unicast link returns to normal; if the physical layer and the media access control layer monitor When the unicast link returns to normal, it sends indication information to the wireless link control layer to trigger the wireless link control layer to monitor whether the unicast link returns to normal; if the physical layer, The media access control layer and the radio link control layer monitor that the unicast link returns to normal, then determine that the unicast link returns to normal.
  • the monitoring unit is further configured to: acquire the physical layer and the media access within the first predetermined time after the unicast link failure is determined The monitoring result of the unicast link by the control layer and the radio link control layer; if the physical layer, the medium access control layer, and the radio link control layer all monitor the unicast link If it returns to normal, it is determined that the unicast link returns to normal.
  • the processing unit is further configured to: after determining that the unicast link is faulty, suspend sending vehicle communication data through the unicast link, and use the backup link The vehicle communication data is transmitted.
  • the backup link includes a first backup link or a second backup link
  • the processing unit is further configured to: preferentially pass through the first vehicle communication terminal and the access network
  • the first backup link between the entities transmits the vehicle communication data. If the first backup link does not exist, the vehicle is transmitted through the second backup link between the first vehicle communication terminals Communication data.
  • a computer-readable medium having a computer program stored thereon, and the computer program, when executed by a processor, realizes the secondary link monitoring for vehicle communication described in the above aspect method.
  • an electronic device including: one or more processors; a storage device, configured to store one or more programs, when the one or more programs are When multiple processors are executed, the one or more processors implement the secondary link monitoring method for vehicle communication as described in the foregoing embodiment.
  • a computer program product including instructions, which when run on a computer, causes the computer to execute the secondary link monitoring method for vehicle communication described in the above aspect.
  • the communication quality of the unicast link established by the first vehicle communication terminal and the second vehicle communication terminal is monitored, and the unicast link is determined according to the communication quality of the unicast link. Whether the road is faulty, a dynamic monitoring mechanism can be realized for the unicast link established between the communication terminals of the vehicle, and then more efficient and reliable transmission can be realized according to the communication quality of the unicast link; When it fails and does not recover within a certain period of time, releasing the unicast link will help improve the utilization of wireless communication resources.
  • FIG. 1 shows a schematic diagram of an exemplary system architecture to which the technical solutions of the embodiments of the present application can be applied;
  • Fig. 2 shows a flowchart of a secondary link monitoring method for vehicle communication according to an embodiment of the present application
  • FIG. 3 shows a schematic diagram of the protocol layer of a unicast link for V2X data transmission established by communication between two vehicles according to an embodiment of the present application
  • Fig. 4 shows a flowchart of determining whether a unicast link is faulty according to an embodiment of the present application
  • Figure 5 shows a flow chart of determining whether a unicast link is faulty according to an embodiment of the present application
  • Fig. 6 shows a flowchart of determining whether a unicast link is faulty according to an embodiment of the present application
  • Fig. 7 shows a flowchart of determining whether a unicast link is faulty according to an embodiment of the present application
  • FIG. 8 shows a flowchart of determining whether a unicast link is faulty according to an embodiment of the present application
  • FIG. 9 shows a flowchart of determining whether a unicast link is faulty according to an embodiment of the present application.
  • FIG. 10 shows a flowchart of determining whether a unicast link is faulty according to the monitoring report of the RLC layer, the MAC layer and the PHY layer according to an embodiment of the present application;
  • Fig. 11 shows a block diagram of a first vehicle communication terminal according to an embodiment of the present application.
  • Fig. 12 shows a schematic structural diagram of a computer system suitable for implementing an electronic device according to an embodiment of the present application.
  • FIG. 1 shows a schematic diagram of an exemplary system architecture to which the technical solutions of the embodiments of the present application can be applied.
  • the system architecture may include a vehicle communication terminal 101 and a vehicle communication terminal 102.
  • the vehicle communication terminal 101 may establish a unicast link with the vehicle communication terminal 102 to perform vehicle communication through the unicast link.
  • the number of vehicle communication terminals shown in FIG. 1 is only illustrative. According to implementation needs, there can be any number of vehicle communication terminals.
  • the first vehicle communication terminal may establish a unicast link with the second vehicle communication terminal of any data respectively.
  • the vehicle communication terminal 101 or the vehicle communication terminal 102 can be used as the first vehicle communication terminal proposed in this embodiment to monitor the single
  • the other vehicle communication terminal is the second vehicle communication terminal.
  • the vehicle communication terminal 101 is used as the first vehicle communication terminal
  • the vehicle communication terminal 102 is used as the second vehicle communication terminal, or
  • the vehicle communication terminal 101 serves as the second vehicle communication terminal.
  • the first vehicle communication terminal determines whether the unicast link is faulty according to the communication quality of the unicast link. If it is determined that the unicast link is faulty and has not recovered within the first predetermined time, the unicast link can be released In order to facilitate the re-establishment of the unicast link between the vehicle communication terminal 101 and the vehicle communication terminal 102. It can be seen that the technical solutions of the embodiments of the present application can implement a dynamic monitoring mechanism for the unicast link established between the vehicle communication terminals, and can realize more efficient and reliable transmission according to the communication quality of the unicast link, and because it can be released The failure of unicast links is dropped, so it is helpful to improve the utilization of wireless communication resources.
  • the secondary link monitoring method for vehicle communication is executed by the first vehicle communication terminal (the vehicle communication terminal 101 or the vehicle communication terminal 102 as shown in FIG. 1).
  • Fig. 2 shows a flowchart of a secondary link monitoring method for vehicle communication according to an embodiment of the present application.
  • the secondary link monitoring method for vehicle communication may be executed by a first vehicle communication terminal.
  • the secondary link monitoring method for vehicle communication includes at least S210 to S230, which are described in detail as follows:
  • the unicast link established between the vehicle communication terminals may correspond to the identification information of the two vehicle communication terminals or correspond to Address information of two vehicle communication terminals.
  • the unicast link established between the vehicle communication terminals can also correspond to the V2X application running on two vehicle communication terminals, or correspond to the same QoS (Quality of Service) running on two vehicle communication terminals. , Quality of Service) multiple pairs of V2X applications.
  • the unicast link established between two vehicular communication terminals can be used as a secondary link between the two vehicular communication terminals, that is, the link to be monitored in this embodiment of the application.
  • the communication quality of the unicast link is monitored, and whether the unicast link is faulty is determined according to the communication quality of the unicast link.
  • the unicast link established by two vehicle communication terminals for V2X data transmission can be carried on the following protocol layers: IP (Internet Protocol, Internet Protocol) /non-IP, SDAP (Service Data Adaptation Protocol)/PDCP (Packet Data Convergence Protocol, Packet Data Convergence Protocol), RLC (Radio Link Control, Radio Link Control) layer, MAC (Media Access Control), Media access control) layer, PHY (Physical, physical) layer.
  • IP Internet Protocol, Internet Protocol
  • SDAP Service Data Adaptation Protocol
  • PDCP Packet Data Convergence Protocol, Packet Data Convergence Protocol
  • RLC Radio Link Control
  • MAC Media Access Control
  • Media access control Media access control
  • PHY Physical, physical
  • the radio link control layer, the media access control layer, and the physical layer can be used to monitor whether the unicast link fails.
  • the process of monitoring the communication quality of the unicast link in S220 and determining whether the unicast link is faulty according to the communication quality of the unicast link may include the following steps:
  • the radio link control layer adopts AM (Acknowledged Mode, Acknowledged Mode) mode, it can be determined according to the received confirmation information whether the transmission based on the unicast link fails, and if the transmission fails, then The number of transmission failures can be counted.
  • the transmission failure based on the unicast link may also be the failure of data transmission.
  • the technical solution of the embodiment shown in FIG. 4 enables the monitoring of the unicast link of vehicle communication through the wireless link control layer, thereby facilitating more efficient and reliable transmission according to the communication quality of the unicast link.
  • the process of monitoring the communication quality of the unicast link in S220 and determining whether the unicast link is faulty according to the communication quality of the unicast link may include the following steps:
  • S510 Send a secondary link detection signal through the media access control layer.
  • S520 Determine whether the unicast link is faulty based on the detection result of the secondary link detection signal.
  • the media access control layer may send the secondary link detection signal before the first vehicle communication terminal sends vehicle communication data such as vehicle communication messages, and then the detection result of the secondary link detection signal may determine the unicast Whether the link is down. For example, whether the unicast link is faulty can be determined according to the receiving end of the secondary link detection signal, that is, the receiving end has successfully received the secondary link detection signal more frequently or the quality of the received detection signal is higher, then It means that the unicast link has not failed; otherwise, the unicast link has failed.
  • the technical solution of the embodiment shown in FIG. 5 enables the monitoring of the unicast link of vehicle communication through the media access control layer, thereby facilitating more efficient and reliable transmission according to the communication quality of the unicast link.
  • the process of monitoring the communication quality of the unicast link in S220 and determining whether the unicast link is faulty according to the communication quality of the unicast link may include the following steps:
  • S610 Detect, through the media access control layer, a handshake data packet based on random access sent by the first vehicle communication terminal according to the unicast link.
  • S620 Determine whether the unicast link is faulty based on the detection result of the handshake data packet. For example, if a handshake packet is detected, it can be determined that the unicast link is normal.
  • the technical solution of the embodiment shown in FIG. 6 enables the monitoring of the unicast link of vehicle communication through the media access control layer, thereby facilitating more efficient and reliable transmission according to the communication quality of the unicast link.
  • the process of monitoring the communication quality of the unicast link in S220 and determining whether the unicast link is faulty according to the communication quality of the unicast link may include the following steps:
  • S710 Measure the signal quality of the reference signal sent by the second vehicle communication terminal through the unicast link through the physical layer.
  • S720 Determine whether the unicast link is faulty according to the signal quality of the reference signal.
  • the unicast link is normal; otherwise, if the signal quality of the measured reference signal is poor, it can be determined that the unicast link Road failure.
  • the technical solution of the embodiment shown in FIG. 7 enables the monitoring of the unicast link of the vehicle communication through the physical layer, thereby facilitating more efficient and reliable transmission according to the communication quality of the unicast link.
  • the physical layer can continue to measure the signal quality of the reference signal within a second predetermined time, and the second predetermined time is less than the first predetermined time. Time; if it is determined that the unicast link returns to normal according to the measured signal quality of the reference signal within the second predetermined time, it can be determined that the physical layer of the unicast link returns to normal.
  • the process of monitoring the communication quality of the unicast link in S220 and determining whether the unicast link is faulty according to the communication quality of the unicast link may include the following steps:
  • S810 Count the reception confirmation information fed back by the second vehicular communication terminal through the physical layer, where the reception confirmation information is sent by the second vehicular communication terminal according to the reception status of the communication message transmitted through the unicast link of.
  • the second vehicle communication terminal can feed back the reception confirmation information according to the reception status of the vehicle communication data, and then can check the first vehicle communication data. 2. Count the receipt confirmation information fed back by the vehicle communication terminal.
  • S820 Determine the number of reception failures by the second vehicle communication terminal according to the reception confirmation information.
  • the reception confirmation information fed back by the second vehicle communication terminal includes successful reception information and reception failure information. Therefore, the second vehicle communication terminal can be determined according to the statistical reception confirmation information fed back by the second vehicle communication terminal. The number of times the terminal fails to receive.
  • S830 Determine whether the unicast link is faulty according to the number of failed receptions.
  • the number of reception failures of the second vehicle communication terminal reaches the set number of times, it can be determined that the unicast link has failed.
  • the technical solution of the embodiment shown in FIG. 8 makes it possible to monitor the unicast link of vehicle communication through the physical layer, thereby facilitating more efficient and reliable transmission according to the communication quality of the unicast link.
  • the process of monitoring the communication quality of the unicast link in S220 and determining whether the unicast link is faulty according to the communication quality of the unicast link may include the following steps:
  • S910 Monitoring the communication quality of the unicast link through the physical layer, the media access control layer, and the radio link control layer respectively.
  • the process of monitoring the communication quality of the unicast link through the physical layer, the medium access control layer, and the radio link control layer can refer to the technical solutions of the foregoing embodiments, and details are not repeated.
  • whether the wireless link has abnormal communication quality can be determined based on the fault report monitored by the RLC layer, the fault report monitored by the MAC layer, and the fault report monitored by the PHY layer. For example, you can set a connection management function module, the fault report monitored by the RLC layer, the fault report monitored by the MAC layer, and the fault report monitored by the PHY layer are all reported to the connection management function module. If any layer detects abnormal communication quality (for example, If the link failure is identified), the wireless link failure can be determined. In this case, if it is determined that the unicast link is faulty, you can continue to obtain the monitoring results of the unicast link by the physical layer, media access control layer, and radio link control layer. When the radio link control layer detects that the unicast link returns to normal, it can determine that the unicast link returns to normal.
  • the PHY layer, the MAC layer, and the RLC layer may also report the monitoring results of the communication quality of the unicast link in a layer-by-layer reporting manner.
  • the PHY layer may report the monitoring result of the unicast link to the MAC layer
  • the MAC layer may report the monitoring result of the unicast link to the RLC layer.
  • the physical layer detects that the unicast link returns to normal, and then sends instructions to the media access control layer to trigger the media access control layer to monitor whether the unicast link has recovered Normal; if the physical layer and the media access control layer detect that the unicast link returns to normal, they will send instructions to the wireless link control layer to trigger the wireless link control layer to monitor whether the unicast link returns to normal; if the physical layer, The media access control layer and the wireless link control layer monitor that the unicast link returns to normal, and then determine that the unicast link returns to normal.
  • a failure indication can be generated, and when it is monitored that the unicast link returns to normal, the failure indication can be cancelled.
  • the next layer detects that the unicast link is back to normal, it can send instructions to the upper layer, which can trigger the upper layer to detect the unicast link. For example, if the PHY layer detects a unicast link failure, Then you can send indication information to the MAC layer to trigger the MAC layer to detect whether the unicast link is faulty.
  • This detection method is compared with the fixed-period detection method (that is, after the unicast link is determined to be Whether the unicast link is restored or not, it can improve the efficiency of fault monitoring.
  • the detection method by trigger can also be combined with the detection method of a fixed period, that is, if a certain layer receives the instruction information of the next layer, but the fixed period has not yet reached It can trigger the detection of the unicast link; if a certain layer does not receive the indication information of the next layer, but the fixed period has been reached, it can also trigger the detection of the unicast link.
  • the unicast link if the unicast link is monitored through the PHY layer, the MAC layer and the RLC layer, when the PHY layer, the MAC layer and the RLC layer all detect that the unicast link is normal, it is determined The unicast link returns to normal. After the unicast link is released, the first vehicle communication terminal can re-establish the unicast secondary link connection with the surrounding second vehicle communication terminal.
  • the transmission of vehicle communication data through the unicast link can be suspended, and the vehicle communication data can be sent through the backup link (including the first backup link or the second backup link in the following). Road) to transmit vehicle communication data.
  • the transmission of vehicle communication data through the backup link may be to preferentially transmit vehicle communication data through the first backup link between the first vehicle communication terminal and the access network entity. If there is no first backup Link, the vehicle communication data is transmitted through the second backup link between the first vehicle communication terminal and the second vehicle communication terminal.
  • the first backup link between the first vehicle communication terminal and the access network entity may be a Uu backup link
  • the second backup link between the first vehicle communication terminal and the second vehicle communication terminal may be a PC5 backup link.
  • the technical solutions of the above-mentioned embodiments of the present application enable vehicle communication when the secondary link supports a unicast link, such as the vehicle communication solution in a 5G system, which can realize dynamic monitoring of the unicast link, and then can realize the dynamic monitoring of the unicast link, and thus can realize the dynamic monitoring of the unicast link according to the unicast link.
  • the communication quality of the link achieves more efficient and reliable transmission, and helps to improve the utilization rate of wireless communication resources.
  • Fig. 11 shows a block diagram of a first vehicle communication terminal according to an embodiment of the present application.
  • the first vehicle communication terminal 1100 includes: a link establishment unit 1102, a monitoring unit 1104, and a processing unit 1106.
  • the link establishing unit 1102 is used to establish a unicast link with the second vehicle communication terminal; the monitoring unit 1104 is used to monitor the communication quality of the unicast link, and determine the communication quality of the unicast link according to the communication quality of the unicast link. Whether the unicast link is faulty; the processing unit 1106 is configured to release the unicast link when it is determined that the unicast link is faulty and has not recovered within the first predetermined time.
  • the monitoring unit 1104 is configured to: use the radio link control layer to count the number of transmission failures based on the unicast link; if the number of transmission failures based on the unicast link reaches the set number , It is determined that the unicast link is faulty.
  • the monitoring unit 1104 is configured to: send a secondary link detection signal through the media access control layer; and determine whether the unicast link is faulty based on the detection result of the secondary link detection signal.
  • the monitoring unit 1104 is configured to: detect the random access-based handshake data packet sent by the first vehicle communication terminal according to the unicast link through the media access control layer; The detection result of the packet determines whether the unicast link is faulty.
  • the monitoring unit 1104 is configured to measure the signal quality of the reference signal sent by the second vehicle communication terminal through the unicast link through the physical layer; according to the signal quality of the reference signal, Determine whether the unicast link fails.
  • the monitoring unit 1104 is further configured to: after determining the unicast link failure, continue to measure the signal quality of the reference signal within a second predetermined time through the physical layer, and The second predetermined time is less than the first predetermined time; if it is determined that the unicast link returns to normal according to the signal quality of the reference signal within the second predetermined time, the physical layer of the unicast link is determined Back to normal.
  • the monitoring unit 1104 is configured to count the reception confirmation information fed back by the second vehicle communication terminal through the physical layer, and the reception confirmation information is determined by the second vehicle communication terminal according to the passing information.
  • the communication message transmitted by the unicast link is sent; according to the statistical reception confirmation information fed back by the second vehicle communication terminal, the number of reception failures of the second vehicle communication terminal is determined; according to the second vehicle The number of reception failures by the communication terminal determines whether the unicast link fails.
  • the monitoring unit 1104 is configured to monitor the communication quality of the unicast link through the physical layer, the media access control layer, and the radio link control layer; if the physical layer, the media If at least one of the access control layer and the radio link control layer determines that the communication quality of the unicast link is abnormal, it is determined that the unicast link is faulty.
  • the monitoring unit 1104 is further configured to: within the first predetermined time after determining that the unicast link fails, if the physical layer detects that the unicast link returns to normal , Send indication information to the media access control layer to trigger the media access control layer to monitor whether the unicast link returns to normal; if the physical layer and the media access control layer detect the unicast If the link returns to normal, it sends indication information to the radio link control layer to trigger the radio link control layer to monitor whether the unicast link returns to normal; if the physical layer and the media access control layer And the radio link control layer detects that the unicast link returns to normal, then determines that the unicast link returns to normal.
  • the monitoring unit 1104 is further configured to obtain the physical layer, the media access control layer, and the media access control layer within the first predetermined time after the unicast link failure is determined The result of the monitoring of the unicast link by the radio link control layer; if the physical layer, the media access control layer, and the radio link control layer all monitor that the unicast link returns to normal, it is determined The unicast link returns to normal.
  • the processing unit 1106 is further configured to: after determining that the unicast link fails, suspend sending vehicle communication data through the unicast link, and transmit the vehicle communication through the backup link data.
  • the processing unit 1106 is further configured to transmit the vehicle communication data preferentially through the first backup link between the first vehicle communication terminal and the access network entity, if the first vehicle communication terminal does not exist
  • the backup link transmits the vehicle communication data through the second backup link between the first vehicle communication terminals.
  • Fig. 12 shows a schematic structural diagram of a computer system suitable for implementing an electronic device according to an embodiment of the present application.
  • the computer system 1200 includes a central processing unit (Central Processing Unit, CPU) 1201, which can be loaded into a random system according to a program stored in a read-only memory (Read-Only Memory, ROM) 1202 or from a storage part 1208 Access memory (Random Access Memory, RAM) 1203 programs to execute various appropriate actions and processing, for example, execute the methods described in the above-mentioned embodiments.
  • CPU Central Processing Unit
  • RAM Random Access Memory
  • RAM 1203 various programs and data required for system operation are also stored.
  • the CPU 1201, the ROM 1202, and the RAM 1203 are connected to each other through a bus 1204.
  • An input/output (Input/Output, I/O) interface 1205 is also connected to the bus 1204.
  • the following components are connected to the I/O interface 1205: an input part 1206 including a keyboard, a mouse, etc.; an output part 1207 such as a cathode ray tube (Cathode Ray Tube, CRT), a liquid crystal display (LCD), and a speaker A storage part 1208 including a hard disk, etc.; and a communication part 1209 including a network interface card such as a LAN (Local Area Network) card, a modem, and the like.
  • the communication section 1209 performs communication processing via a network such as the Internet.
  • the driver 1210 is also connected to the I/O interface 1205 as needed.
  • a removable medium 1211 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, etc., is installed on the drive 1210 as needed, so that the computer program read therefrom is installed into the storage portion 1208 as needed.
  • the process described above with reference to the flowchart can be implemented as a computer software program.
  • the embodiments of the present application include a computer program product, which includes a computer program carried on a computer-readable medium, and the computer program includes a computer program for executing the method shown in the flowchart.
  • the computer program may be downloaded and installed from the network through the communication part 1209, and/or installed from the removable medium 1211.
  • CPU central processing unit
  • the computer-readable medium shown in the embodiments of the present application may be a computer-readable signal medium or a computer-readable storage medium, or any combination of the two.
  • the computer-readable storage medium may be, for example, but not limited to, an electric, magnetic, optical, electromagnetic, infrared, or semiconductor system, device, or device, or any combination of the above.
  • Computer-readable storage media may include, but are not limited to: electrical connections with one or more wires, portable computer disks, hard disks, random access memory (RAM), read-only memory (ROM), erasable Programmable Read-Only Memory (Erasable Programmable Read Only Memory, EPROM), flash memory, optical fiber, portable compact disk read-only memory (Compact Disc Read-Only Memory, CD-ROM), optical storage device, magnetic storage device, or any suitable of the above The combination.
  • the computer-readable storage medium may be any tangible medium that contains or stores a program, and the program may be used by or in combination with an instruction execution system, apparatus, or device.
  • a computer-readable signal medium may include a data signal propagated in a baseband or as a part of a carrier wave, and a computer-readable computer program is carried therein.
  • This propagated data signal can take many forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the foregoing.
  • the computer-readable signal medium may also be any computer-readable medium other than the computer-readable storage medium.
  • the computer-readable medium may send, propagate, or transmit the program for use by or in combination with the instruction execution system, apparatus, or device .
  • the computer program contained on the computer-readable medium can be transmitted by any suitable medium, including but not limited to: wireless, wired, etc., or any suitable combination of the above.
  • each block in the flowchart or block diagram may represent a module, program segment, or part of the code, and the above-mentioned module, program segment, or part of the code includes one or more executables for realizing the specified logic function. instruction.
  • the functions marked in the block may also occur in a different order from the order marked in the drawings. For example, two blocks shown in succession can actually be executed substantially in parallel, or they can sometimes be executed in the reverse order, depending on the functions involved.
  • each block in the block diagram or flowchart, and the combination of blocks in the block diagram or flowchart can be implemented by a dedicated hardware-based system that performs the specified functions or operations, or can be It is realized by a combination of dedicated hardware and computer instructions.
  • the units involved in the embodiments described in the present application can be implemented in software or hardware, and the described units can also be provided in a processor. Among them, the names of these units do not constitute a limitation on the unit itself under certain circumstances.
  • this application also provides a computer-readable medium.
  • the computer-readable medium may be included in the electronic device described in the above-mentioned embodiments; or it may exist alone without being assembled into the electronic device. in.
  • the foregoing computer-readable medium carries one or more programs, and when the foregoing one or more programs are executed by an electronic device, the electronic device realizes the method described in the foregoing embodiment.
  • modules or units of the device for action execution are mentioned in the above detailed description, this division is not mandatory.
  • the features and functions of two or more modules or units described above may be embodied in one module or unit.
  • the features and functions of a module or unit described above can be further divided into multiple modules or units to be embodied.
  • the exemplary embodiments described herein can be implemented by software, or can be implemented by combining software with necessary hardware. Therefore, the technical solution according to the embodiments of the present application can be embodied in the form of a software product, which can be stored in a non-volatile storage medium (can be a CD-ROM, U disk, mobile hard disk, etc.) or on the network , Including several instructions to make a computing device (which can be a personal computer, a server, a touch terminal, or a network device, etc.) execute the method according to the embodiment of the present application.
  • a computing device which can be a personal computer, a server, a touch terminal, or a network device, etc.
  • the embodiments of the present application also provide a storage medium, where the storage medium is used to store a computer program, and the computer program is used to execute the method provided in the foregoing embodiment.
  • the embodiments of the present application also provide a computer program product including instructions, which when run on a computer, cause the computer to execute the method provided in the foregoing embodiments.
  • the steps of the method or algorithm described in the embodiments disclosed in this document can be directly implemented by hardware, a software module executed by a processor, or a combination of the two.
  • the software module can be placed in random access memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disks, removable disks, CD-ROMs, or all areas in the technical field. Any other known storage medium.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)

Abstract

本申请的实施例提供了一种用于车辆通信的副链路监测方法和相关装置。该用于车辆通信的副链路监测方法包括：第一车辆通信终端与第二车辆通信终端建立单播链路；监测所述单播链路的通信质量，根据所述单播链路的通信质量确定所述单播链路是否故障；若确定所述单播链路故障，且在第一预定时间内未恢复，则释放掉所述单播链路。本申请实施例的技术方案可以保证单播链路的传输有效性及可靠性，并且有利于提高无线通信资源的利用率。

Description

用于车辆通信的副链路监测方法和相关装置
本申请要求于2019年06月17日提交中国专利局、申请号为201910522086.7、申请名称为“用于车辆通信的副链路监测方法、装置、介质及电子设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及计算机及通信技术领域，具体而言，涉及一种用于车辆通信的副链路监测方法和相关装置。
背景技术
V2X(vehicle to Everything，车辆对外界)通信的有效性和可靠性与自动驾驶的安全性密不可分，其中的有效性是指数据传输能够及时，可以体现为低延迟；可靠性是指数据传输的低丢包率。
发明内容
本申请的实施例提供了一种用于车辆通信的副链路监测方法和相关装置，至少在一定程度上可以保证单播链路的传输有效性及可靠性，并且有利于提高无线通信资源的利用率。
本申请的其他特性和优点将通过下面的详细描述变得显然，或部分地通过本申请的实践而习得。
根据本申请实施例的一个方面，提供了一种用于车辆通信的副链路监测方法，所述方法由第一车辆通信终端执行，所述副链路监测方法包括：与第二车辆通信终端建立单播链路；监测所述单播链路的通信质量，根据所述单播链路的通信质量确定所述单播链路是否故障；若确定所述单播链路故障，且在第一预定时间内未恢复，则释放掉所述单播链路。
根据本申请实施例的一个方面，提供了一种第一车辆通信终端，包括：链路建立单元，用于与第二车辆通信终端建立单播链路；监测单元，用于监测所述单播链路的通信质量，根据所述单播链路的通信质量确定所述单播链路是否故障；处理单元，用于在确定所述单播链路故障，且在第一预定时间内未恢复时，释放掉所述单播链路。
在本申请的一些实施例中，基于前述方案，所述监测单元配置为：通过无线链路控制层统计基于所述单播链路传输失败的次数；若基于所述单播链路传 输失败的次数达到设定次数，则确定所述单播链路故障。
在本申请的一些实施例中，基于前述方案，所述监测单元配置为：通过媒体访问控制层发送副链路探测信号；基于所述副链路探测信号的探测结果，确定所述单播链路是否故障。
在本申请的一些实施例中，基于前述方案，所述监测单元配置为：通过媒体访问控制层探测第一车辆通信终端根据所述单播链路发送的基于随机接入的握手数据包；基于对所述握手数据包的探测结果，确定所述单播链路是否故障。
在本申请的一些实施例中，基于前述方案，所述监测单元配置为：通过物理层测量所述第二车辆通信终端通过所述单播链路发送的参考信号的信号质量；根据所述参考信号的信号质量，确定所述单播链路是否故障。
在本申请的一些实施例中，基于前述方案，所述监测单元还配置为：在确定所述单播链路故障之后，通过所述物理层在第二预定时间内继续测量所述参考信号的信号质量，所述第二预定时间小于所述第一预定时间；若在所述第二预定时间内根据所述参考信号的信号质量确定所述单播链路恢复正常，则确定所述单播链路的物理层恢复正常。
在本申请的一些实施例中，基于前述方案，所述监测单元配置为：通过物理层统计所述第二车辆通信终端反馈的接收确认信息，所述接收确认信息是由所述第二车辆通信终端根据对通过所述单播链路传输的通信消息的接收情况发送的；根据统计的所述第二车辆通信终端反馈的接收确认信息，确定所述第二车辆通信终端接收失败的次数；根据所述第二车辆通信终端接收失败的次数，确定所述单播链路是否故障。
在本申请的一些实施例中，基于前述方案，所述监测单元配置为：通过物理层、媒体访问控制层和无线链路控制层分别监测所述单播链路的通信质量；若所述物理层、所述媒体访问控制层和所述无线链路控制层中的至少一层确定所述单播链路的通信质量异常，则确定所述单播链路故障。
在本申请的一些实施例中，基于前述方案，所述监测单元还配置为：在确定所述单播链路故障之后的所述第一预定时间内，若所述物理层监测到所述单播链路恢复正常，则向所述媒体访问控制层发送指示信息，以触发所述媒体访 问控制层监测所述单播链路是否恢复正常；若所述物理层及所述媒体访问控制层监测到所述单播链路恢复正常，则向所述无线链路控制层发送指示信息，以触发所述无线链路控制层监测所述单播链路是否恢复正常；若所述物理层、所述媒体访问控制层及所述无线链路控制层监测到所述单播链路恢复正常，则确定所述单播链路恢复正常。
在本申请的一些实施例中，基于前述方案，所述监测单元还配置为：在确定所述单播链路故障之后的所述第一预定时间内，获取所述物理层、所述媒体访问控制层及所述无线链路控制层对所述单播链路的监测结果；若所述物理层、所述媒体访问控制层及所述无线链路控制层均监测到所述单播链路恢复正常，则确定所述单播链路恢复正常。
在本申请的一些实施例中，基于前述方案，所述处理单元还配置为：在确定所述单播链路故障之后，暂停通过所述单播链路发送车辆通信数据，并通过备份链路传输所述车辆通信数据。
在本申请的一些实施例中，基于前述方案，所述备份链路包括第一备份链路或第二备份链路，所述处理单元还配置为：优先通过第一车辆通信终端与接入网实体之间的所述第一备份链路传输所述车辆通信数据，若不存在所述第一备份链路，则通过第一车辆通信终端之间的所述第二备份链路传输所述车辆通信数据。
根据本申请实施例的一个方面，提供了一种计算机可读介质，其上存储有计算机程序，所述计算机程序被处理器执行时实现以上方面中所述的用于车辆通信的副链路监测方法。
根据本申请实施例的一个方面，提供了一种电子设备，包括：一个或多个处理器；存储装置，用于存储一个或多个程序，当所述一个或多个程序被所述一个或多个处理器执行时，使得所述一个或多个处理器实现如上述实施例中所述的用于车辆通信的副链路监测方法。
根据本申请实施例的一个方面，提供了一种包括指令的计算机程序产品，当其在计算机上运行时，使得所述计算机执行以上方面中所述的用于车辆通信的副链路监测方法。
在本申请的一些实施例所提供的技术方案中，通过监测第一车辆通信终端 与第二车辆通信终端建立的单播链路的通信质量，根据该单播链路的通信质量确定单播链路是否故障，使得能够针对车辆通信终端之间建立的单播链路实现动态的监测机制，进而能够根据单播链路的通信质量实现更加高效及可靠的传输；同时由于可以在单播链路故障、且在一定时间内未恢复时，释放掉该单播链路，有利于提高无线通信资源的利用率。
应当理解的是，以上的一般描述和后文的细节描述仅是示例性和解释性的，并不能限制本申请。
附图说明
此处的附图被并入说明书中并构成本说明书的一部分，示出了符合本申请的实施例，并与说明书一起用于解释本申请的原理。显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。在附图中：
图1示出了可以应用本申请实施例的技术方案的示例性系统架构的示意图；
图2示出了根据本申请的一个实施例的用于车辆通信的副链路监测方法的流程图；
图3示出了根据本申请的一个实施例的两个车辆通信建立的用于进行V2X数据传输的单播链路的协议层示意图；
图4示出了根据本申请的一个实施例的确定单播链路是否故障的流程图；
图5示出了根据本申请的一个实施例的确定单播链路是否故障的流程图；
图6示出了根据本申请的一个实施例的确定单播链路是否故障的流程图；
图7示出了根据本申请的一个实施例的确定单播链路是否故障的流程图；
图8示出了根据本申请的一个实施例的确定单播链路是否故障的流程图；
图9示出了根据本申请的一个实施例的确定单播链路是否故障的流程图；
图10示出了根据本申请的一个实施例的根据RLC层、MAC层和PHY层的监测报告确定单播链路是否故障的流程图；
图11示出了根据本申请的一个实施例的第一车辆通信终端的框图；
图12示出了适于用来实现本申请实施例的电子设备的计算机系统的结构示意图。
具体实施方式
现在将参考附图更全面地描述示例实施方式。然而，示例实施方式能够以多种形式实施，且不应被理解为限于在此阐述的范例；相反，提供这些实施方式使得本申请将更加全面和完整，并将示例实施方式的构思全面地传达给本领域的技术人员。
此外，所描述的特征、结构或特性可以以任何合适的方式结合在一个或更多实施例中。在下面的描述中，提供许多具体细节从而给出对本申请的实施例的充分理解。然而，本领域技术人员将意识到，可以实践本申请的技术方案而没有特定细节中的一个或更多，或者可以采用其它的方法、组元、装置、步骤等。在其它情况下，不详细示出或描述公知方法、装置、实现或者操作以避免模糊本申请的各方面。
附图中所示的方框图仅仅是功能实体，不一定必须与物理上独立的实体相对应。即，可以采用软件形式来实现这些功能实体，或在一个或多个硬件模块或集成电路中实现这些功能实体，或在不同网络和/或处理器装置和/或微控制器装置中实现这些功能实体。
附图中所示的流程图仅是示例性说明，不是必须包括所有的内容和操作/步骤，也不是必须按所描述的顺序执行。例如，有的操作/步骤还可以分解，而有的操作/步骤可以合并或部分合并，因此实际执行的顺序有可能根据实际情况改变。
图1示出了可以应用本申请实施例的技术方案的示例性系统架构的示意图。
如图1所示，系统架构可以包括车辆通信终端101和车辆通信终端102，其中车辆通信终端101可以与车辆通信终端102建立单播链路，以通过该单播链路进行车辆通信。
应该理解，图1中所示的车辆通信终端的数目仅仅是示意性的。根据实现需要，可以具有任意数目的车辆通信终端。例如第一车辆通信终端可以与任意数据的第二车辆通信终端分别建立单播链路。
在本申请的一个实施例中，车辆通信终端101与车辆通信终端102建立单播链路之后，车辆通信终端101或者车辆通信终端102可以作为本申请实施例提出的第一车辆通信终端监测该单播链路的通信质量，相应的，另一个车辆通信终端为第二车辆通信终端，例如，车辆通信终端101作为第一车辆通信终端时， 车辆通信终端102作为第二车辆通信终端，或者，车辆通信终端102作为第一车辆通信终端时，车辆通信终端101作为第二车辆通信终端。
第一车辆通信终端根据该单播链路的通信质量确定该单播链路是否故障，如果确定该单播链路故障，且在第一预定时间内未恢复，则可以释放掉该单播链路，以便于车辆通信终端101与车辆通信终端102重新建立单播链路。可见，本申请实施例的技术方案能够针对车辆通信终端之间建立的单播链路实现动态的监测机制，进而能够根据单播链路的通信质量实现更加高效及可靠的传输，并且由于可以释放掉发生故障的单播链路，因此有利于提高无线通信资源的利用率。
需要说明的是，本申请实施例所提供的用于车辆通信的副链路监测方法由第一车辆通信终端(如图1中所示的车辆通信终端101或车辆通信终端102)执行。
以下对本申请实施例的技术方案的实现细节进行详细阐述：
图2示出了根据本申请的一个实施例的用于车辆通信的副链路监测方法的流程图，该用于车辆通信的副链路监测方法可以由第一车辆通信终端来执行。参照图2所示，该用于车辆通信的副链路监测方法至少包括S210至S230，详细介绍如下：
在S210中，与第二车辆通信终端建立单播链路。
在本申请的一个实施例中，车辆通信终端之间(例如第一车辆通信终端和第二车辆通信终端之间)建立的单播链路可以对应于两个车辆通信终端的标识信息或者对应于两个车辆通信终端的地址信息。当然，车辆通信终端之间建立的单播链路也可以对应于在两个车辆通信终端上运行的V2X应用程序，或者对应于在两个车辆通信终端上运行的具备同样的QoS(Quality of Service，服务质量)需求的多对V2X应用程序。
两个车辆通信终端之间建立的单播链路可以作为这两个车辆通信终端之间的副链路，即本申请实施例所要进行监测的链路。
继续参照图2所示，在S220中，监测所述单播链路的通信质量，根据所述单播链路的通信质量确定所述单播链路是否故障。
在本申请的一个实施例中，如图3所示，两个车辆通信终端建立的用于进 行V2X数据传输的单播链路可以承载在以下几个协议层：IP(Internet Protocol，网际协议)/non-IP、SDAP(Service Data Adaptation Protocol，业务数据适应协议)/PDCP(Packet Data Convergence Protocol，分组数据汇聚协议)、RLC(Radio Link Control，无线链路控制)层、MAC(Media Access Control，媒体访问控制)层、PHY(Physical，物理)层。
在本申请的一个实施例中，可以通过无线链路控制层、媒体访问控制层、物理层分别监测单播链路是否故障。以下进行详细阐述：
在本申请的一个实施例中，如图4所示，S220中监测单播链路的通信质量，根据单播链路的通信质量确定单播链路是否故障的过程，可以包括如下步骤：
S410，通过无线链路控制层统计基于单播链路传输失败的次数。
在本申请的一个实施例中，如果无线链路控制层采用AM(Acknowledged Mode，确认模式)模式，则可以根据接收到的确认信息确定基于单播链路进行传输是否失败，如果传输失败，则可以统计传输失败的次数。可选地，基于单播链路传输失败还可以是数据在发送时失败。
S420，若基于所述单播链路传输失败的次数达到设定次数，则确定所述单播链路故障。
图4所示实施例的技术方案使得能够通过无线链路控制层来实现对车辆通信的单播链路进行监测，进而便于根据单播链路的通信质量实现更加高效及可靠的传输。
在本申请的一个实施例中，如图5所示，S220中监测单播链路的通信质量，根据单播链路的通信质量确定单播链路是否故障的过程，可以包括如下步骤：
S510，通过媒体访问控制层发送副链路探测信号。
S520，基于所述副链路探测信号的探测结果，确定所述单播链路是否故障。
在本申请的一个实施例中，媒体访问控制层可以在第一车辆通信终端发送车辆通信消息等车辆通信数据之前发送副链路探测信号，进而可以副链路探测信号的探测结果来确定单播链路是否故障。比如可以根据接收端对副链路探测信号的接收情况来确定单播链路是否故障，即接收端对副链路探测信号接收成功的次数较多或者接收到的探测信号的质量较高，则说明该单播链路未发生故障，否则说明该单播链路发生故障。
图5所示实施例的技术方案使得能够通过媒体访问控制层来实现对车辆通信的单播链路进行监测，进而便于根据单播链路的通信质量实现更加高效及可靠的传输。
在本申请的一个实施例中，如图6所示，S220中监测单播链路的通信质量，根据单播链路的通信质量确定单播链路是否故障的过程，可以包括如下步骤：
S610，通过媒体访问控制层探测第一车辆通信终端根据所述单播链路发送的基于随机接入的握手数据包。
S620，基于对所述握手数据包的探测结果，确定所述单播链路是否故障。比如，如果探测到握手数据包，则可以确定单播链路正常。
图6所示实施例的技术方案使得能够通过媒体访问控制层来实现对车辆通信的单播链路进行监测，进而便于根据单播链路的通信质量实现更加高效及可靠的传输。
在本申请的一个实施例中，如图7所示，S220中监测单播链路的通信质量，根据单播链路的通信质量确定单播链路是否故障的过程，可以包括如下步骤：
S710，通过物理层测量第二车辆通信终端通过单播链路发送的参考信号的信号质量。
S720，根据所述参考信号的信号质量，确定所述单播链路是否故障。
在本申请的一个实施例中，如果测量到的参考信号的信号质量较高，则可以确定单播链路正常；否则，如果测量到的参考信号的信号质量较差，则可以确定单播链路故障。
图7所示实施例的技术方案使得能够通过物理层来实现对车辆通信的单播链路进行监测，进而便于根据单播链路的通信质量实现更加高效及可靠的传输。
基于图7所示实施例的技术方案，可以在确定单播链路故障之后，通过物理层在第二预定时间内继续测量参考信号的信号质量，所述第二预定时间小于所述第一预定时间；若在第二预定时间内根据测量到的参考信号的信号质量确定单播链路恢复正常，则可以确定单播链路的物理层恢复正常。
在本申请的一个实施例中，如图8所示，S220中监测单播链路的通信质量，根据单播链路的通信质量确定单播链路是否故障的过程，可以包括如下步骤：
S810，通过物理层统计所述第二车辆通信终端反馈的接收确认信息，所述 接收确认信息是由所述第二车辆通信终端根据对通过所述单播链路传输的通信消息的接收情况发送的。
在本申请的一个实施例中，第一车辆通信终端在通过单播链路发送车辆通信数据之后，第二车辆通信终端可以根据对该车辆通信数据的接收情况反馈接收确认信息，进而可以对第二车辆通信终端反馈的接收确认信息进行统计。
S820，根据所述接收确认信息，确定所述第二车辆通信终端接收失败的次数。
在本申请的一个实施例中，第二车辆通信终端反馈的接收确认信息包括接收成功的信息和接收失败的信息，因此可以根据统计的第二车辆通信终端反馈的接收确认信息确定第二车辆通信终端接收失败的次数。
S830，根据所述接收失败的次数，确定所述单播链路是否故障。
在本申请的一个实施例中，如果第二车辆通信终端接收失败的次数达到设定次数，则可以确定单播链路出现故障。
图8所示实施例的技术方案使得能够通过物理层来实现对车辆通信的单播链路进行监测，进而便于根据单播链路的通信质量实现更加高效及可靠的传输。
在本申请的一个实施例中，如图9所示，S220中监测单播链路的通信质量，根据单播链路的通信质量确定单播链路是否故障的过程，可以包括如下步骤：
S910，通过物理层、媒体访问控制层和无线链路控制层分别监测所述单播链路的通信质量。
在本申请的一个实施例中，通过物理层、媒体访问控制层和无线链路控制层分别监测单播链路的通信质量的过程可以参照前述实施例的技术方案，不再赘述。
S920，若所述物理层、所述媒体访问控制层和所述无线链路控制层中的至少一层确定所述单播链路的通信质量异常，则确定所述单播链路故障。
在本申请的一个实施例中，如图10所示，可以根据RLC层监测到的故障报告、MAC层监测到故障报告和PHY层监测到故障报告来确定无线链路是否通信质量异常。比如可以设置一个连接管理功能模块，RLC层监测到的故障报告、MAC层监测到故障报告和PHY层监测到故障报告都汇报给该连接管理功能模块，如果任何一层监测到通信质量异常(例如标识出链路故障)，则可以确定 无线链路故障。在这种情况下，若确定单播链路故障，则还可以继续获取物理层、媒体访问控制层及无线链路控制层对单播链路的监测结果，当物理层、媒体访问控制层及无线链路控制层均监测到单播链路恢复正常时，可以确定单播链路恢复正常。
在本申请的一个实施例中，PHY层、MAC层及RLC层还可以采取层层上报的方式来汇报对单播链路的通信质量的监测结果。具体地，比如，PHY层可以将对单播链路的监测结果上报给MAC层、MAC层可以将对单播链路的监测结果上报给RLC层。在这种情况下，若确定单播链路故障，则在物理层监测到单播链路恢复正常，则向媒体访问控制层发送指示信息，以触发媒体访问控制层监测单播链路是否恢复正常；若物理层及媒体访问控制层监测到单播链路恢复正常，则向无线链路控制层发送指示信息，以触发无线链路控制层监测单播链路是否恢复正常；若物理层、媒体访问控制层及无线链路控制层监测到单播链路恢复正常，则确定单播链路恢复正常。
即在本申请的实施例中，若某一层监测到单播链路故障，则可以产生故障指示，当监测到单播链路恢复正常，则可以取消故障指示。此外，若下一层监测到单播链路恢复正常，则可以向上一层发送指示信息，进而可以触发上一层对单播链路进行检测，比如若PHY层监测到单播链路故障，则可以向MAC层发送指示信息，以触发MAC层对单播链路是否故障进行检测，这种检测方式相比于固定周期的检测方式(即确定单播链路故障后，每隔一定时间对单播链路是否恢复进行检测的方式)，可以提高对故障进行监测的效率。当然，在本申请的其它实施例中，也可以将通过触发的检测方式与固定周期的检测方式进行结合，即如果某一层接收到下一层的指示信息，但是还未到固定周期，那么就可以触发对单播链路进行检测；如果某一层未接收到下一层的指示信息，但是已经到了固定周期，那么也可以触发对单播链路进行检测。
继续参照图2所示，在S230中，若确定所述单播链路故障，且在第一预定时间内未恢复，则释放掉所述单播链路。
在本申请的一个实施例中，如果通过PHY层、MAC层和RLC层来对单播链路进行监测，那么当PHY层、MAC层和RLC层均监测到单播链路正常时，则确定单播链路恢复正常。当释放掉单播链路之后，第一车辆通信终端可以与 周边的第二车辆通信终端重新建立单播的副链路连接。
在本申请的一个实施例中，在确定单播链路故障之后，可以暂停通过单播链路发送车辆通信数据，并通过备份链路(下述中包括第一备份链路或第二备份链路)传输车辆通信数据。
在本申请的一个实施例中，通过备份链路传输车辆通信数据可以是优先通过第一车辆通信终端与接入网实体之间的第一备份链路传输车辆通信数据，若不存在第一备份链路，则通过第一车辆通信终端与第二车辆通信终端之间的第二备份链路传输车辆通信数据。其中，第一车辆通信终端与接入网实体之间的第一备份链路可以是Uu备份链路；第一车辆通信终端与第二车辆通信终端之间的第二备份链路可以是PC5备份链路。
本申请上述实施例的技术方案使得车辆通信在副链路支持单播链路的情况下，比如5G系统中的车辆通信方案，能够实现对该单播链路的动态监测，进而能够根据单播链路的通信质量实现更加高效及可靠的传输，并且有利于提高无线通信资源的利用率。
以下介绍本申请的装置实施例，可以用于执行本申请上述实施例中的用于车辆通信的副链路监测方法。对于本申请装置实施例中未披露的细节，请参照本申请上述的用于车辆通信的副链路监测方法的实施例。
图11示出了根据本申请的一个实施例的第一车辆通信终端的框图。
参照图11所示，根据本申请的一个实施例的第一车辆通信终端1100，包括：链路建立单元1102、监测单元1104和处理单元1106。
其中，链路建立单元1102用于与第二车辆通信终端建立单播链路；监测单元1104用于监测所述单播链路的通信质量，根据所述单播链路的通信质量确定所述单播链路是否故障；处理单元1106用于在确定所述单播链路故障，且在第一预定时间内未恢复时，释放掉所述单播链路。
在本申请的一些实施例中，监测单元1104配置为：通过无线链路控制层统计基于所述单播链路传输失败的次数；若基于所述单播链路传输失败的次数达到设定次数，则确定所述单播链路故障。
在本申请的一些实施例中，监测单元1104配置为：通过媒体访问控制层发送副链路探测信号；基于所述副链路探测信号的探测结果，确定所述单播链路 是否故障。
在本申请的一些实施例中，监测单元1104配置为：通过媒体访问控制层探测第一车辆通信终端根据所述单播链路发送的基于随机接入的握手数据包；基于对所述握手数据包的探测结果，确定所述单播链路是否故障。
在本申请的一些实施例中，监测单元1104配置为：通过物理层测量所述第二车辆通信终端通过所述单播链路发送的参考信号的信号质量；根据所述参考信号的信号质量，确定所述单播链路是否故障。
在本申请的一些实施例中，监测单元1104还配置为：在确定所述单播链路故障之后，通过所述物理层在第二预定时间内继续测量所述参考信号的信号质量，所述第二预定时间小于所述第一预定时间；若在所述第二预定时间内根据所述参考信号的信号质量确定所述单播链路恢复正常，则确定所述单播链路的物理层恢复正常。
在本申请的一些实施例中，监测单元1104配置为：通过物理层统计所述第二车辆通信终端反馈的接收确认信息，所述接收确认信息是由所述第二车辆通信终端根据对通过所述单播链路传输的通信消息的接收情况发送的；根据统计的所述第二车辆通信终端反馈的接收确认信息，确定所述第二车辆通信终端接收失败的次数；根据所述第二车辆通信终端接收失败的次数，确定所述单播链路是否故障。
在本申请的一些实施例中，监测单元1104配置为：通过物理层、媒体访问控制层和无线链路控制层分别监测所述单播链路的通信质量；若所述物理层、所述媒体访问控制层和所述无线链路控制层中的至少一层确定所述单播链路的通信质量异常，则确定所述单播链路故障。
在本申请的一些实施例中，监测单元1104还配置为：在确定所述单播链路故障之后的所述第一预定时间内，若所述物理层监测到所述单播链路恢复正常，则向所述媒体访问控制层发送指示信息，以触发所述媒体访问控制层监测所述单播链路是否恢复正常；若所述物理层及所述媒体访问控制层监测到所述单播链路恢复正常，则向所述无线链路控制层发送指示信息，以触发所述无线链路控制层监测所述单播链路是否恢复正常；若所述物理层、所述媒体访问控制层及所述无线链路控制层监测到所述单播链路恢复正常，则确定所述单播链路恢 复正常。
在本申请的一些实施例中，监测单元1104还配置为：在确定所述单播链路故障之后的所述第一预定时间内，获取所述物理层、所述媒体访问控制层及所述无线链路控制层对所述单播链路的监测结果；若所述物理层、所述媒体访问控制层及所述无线链路控制层均监测到所述单播链路恢复正常，则确定所述单播链路恢复正常。
在本申请的一些实施例中，处理单元1106还配置为：在确定所述单播链路故障之后，暂停通过所述单播链路发送车辆通信数据，并通过备份链路传输所述车辆通信数据。
在本申请的一些实施例中，处理单元1106还配置为：优先通过第一车辆通信终端与接入网实体之间的第一备份链路传输所述车辆通信数据，若不存在所述第一备份链路，则通过第一车辆通信终端之间的第二备份链路传输所述车辆通信数据。
图12示出了适于用来实现本申请实施例的电子设备的计算机系统的结构示意图。
需要说明的是，图12示出的电子设备的计算机系统1200仅是一个示例，不应对本申请实施例的功能和使用范围带来任何限制。
如图12所示，计算机系统1200包括中央处理单元(Central Processing Unit，CPU)1201，其可以根据存储在只读存储器(Read-Only Memory，ROM)1202中的程序或者从存储部分1208加载到随机访问存储器(Random Access Memory，RAM)1203中的程序而执行各种适当的动作和处理，例如执行上述实施例中所述的方法。在RAM 1203中，还存储有系统操作所需的各种程序和数据。CPU 1201、ROM 1202以及RAM 1203通过总线1204彼此相连。输入/输出(Input/Output，I/O)接口1205也连接至总线1204。
以下部件连接至I/O接口1205：包括键盘、鼠标等的输入部分1206；包括诸如阴极射线管(Cathode Ray Tube，CRT)、液晶显示器(Liquid Crystal Display，LCD)等以及扬声器等的输出部分1207；包括硬盘等的存储部分1208；以及包括诸如LAN(Local Area Network，局域网)卡、调制解调器等的网络接口卡 的通信部分1209。通信部分1209经由诸如因特网的网络执行通信处理。驱动器1210也根据需要连接至I/O接口1205。可拆卸介质1211，诸如磁盘、光盘、磁光盘、半导体存储器等等，根据需要安装在驱动器1210上，以便于从其上读出的计算机程序根据需要被安装入存储部分1208。
特别地，根据本申请的实施例，上文参考流程图描述的过程可以被实现为计算机软件程序。例如，本申请的实施例包括一种计算机程序产品，其包括承载在计算机可读介质上的计算机程序，该计算机程序包含用于执行流程图所示的方法的计算机程序。在这样的实施例中，该计算机程序可以通过通信部分1209从网络上被下载和安装，和/或从可拆卸介质1211被安装。在该计算机程序被中央处理单元(CPU)1201执行时，执行本申请的系统中限定的各种功能。
需要说明的是，本申请实施例所示的计算机可读介质可以是计算机可读信号介质或者计算机可读存储介质或者是上述两者的任意组合。计算机可读存储介质例如可以是——但不限于——电、磁、光、电磁、红外线、或半导体的系统、装置或器件，或者任意以上的组合。计算机可读存储介质的更具体的例子可以包括但不限于：具有一个或多个导线的电连接、便携式计算机磁盘、硬盘、随机访问存储器(RAM)、只读存储器(ROM)、可擦式可编程只读存储器(Erasable Programmable Read Only Memory，EPROM)、闪存、光纤、便携式紧凑磁盘只读存储器(Compact Disc Read-Only Memory，CD-ROM)、光存储器件、磁存储器件、或者上述的任意合适的组合。在本申请中，计算机可读存储介质可以是任何包含或存储程序的有形介质，该程序可以被指令执行系统、装置或者器件使用或者与其结合使用。而在本申请中，计算机可读的信号介质可以包括在基带中或者作为载波一部分传播的数据信号，其中承载了计算机可读的计算机程序。这种传播的数据信号可以采用多种形式，包括但不限于电磁信号、光信号或上述的任意合适的组合。计算机可读的信号介质还可以是计算机可读存储介质以外的任何计算机可读介质，该计算机可读介质可以发送、传播或者传输用于由指令执行系统、装置或者器件使用或者与其结合使用的程序。计算机可读介质上包含的计算机程序可以用任何适当的介质传输，包括但不限于：无线、有线等等，或者上述的任意合适的组合。
附图中的流程图和框图，图示了按照本申请各种实施例的系统、方法和计 算机程序产品的可能实现的体系架构、功能和操作。其中，流程图或框图中的每个方框可以代表一个模块、程序段、或代码的一部分，上述模块、程序段、或代码的一部分包含一个或多个用于实现规定的逻辑功能的可执行指令。也应当注意，在有些作为替换的实现中，方框中所标注的功能也可以以不同于附图中所标注的顺序发生。例如，两个接连地表示的方框实际上可以基本并行地执行，它们有时也可以按相反的顺序执行，这依所涉及的功能而定。也要注意的是，框图或流程图中的每个方框、以及框图或流程图中的方框的组合，可以用执行规定的功能或操作的专用的基于硬件的系统来实现，或者可以用专用硬件与计算机指令的组合来实现。
描述于本申请实施例中所涉及到的单元可以通过软件的方式实现，也可以通过硬件的方式来实现，所描述的单元也可以设置在处理器中。其中，这些单元的名称在某种情况下并不构成对该单元本身的限定。
作为另一方面，本申请还提供了一种计算机可读介质，该计算机可读介质可以是上述实施例中描述的电子设备中所包含的；也可以是单独存在，而未装配入该电子设备中。上述计算机可读介质承载有一个或者多个程序，当上述一个或者多个程序被一个该电子设备执行时，使得该电子设备实现上述实施例中所述的方法。
应当注意，尽管在上文详细描述中提及了用于动作执行的设备的若干模块或者单元，但是这种划分并非强制性的。实际上，根据本申请的实施方式，上文描述的两个或更多模块或者单元的特征和功能可以在一个模块或者单元中具体化。反之，上文描述的一个模块或者单元的特征和功能可以进一步划分为由多个模块或者单元来具体化。
通过以上的实施方式的描述，本领域的技术人员易于理解，这里描述的示例实施方式可以通过软件实现，也可以通过软件结合必要的硬件的方式来实现。因此，根据本申请实施方式的技术方案可以以软件产品的形式体现出来，该软件产品可以存储在一个非易失性存储介质(可以是CD-ROM，U盘，移动硬盘等)中或网络上，包括若干指令以使得一台计算设备(可以是个人计算机、服务器、触控终端、或者网络设备等)执行根据本申请实施方式的方法。
本领域技术人员在考虑说明书及实践这里公开的实施方式后，将容易想到 本申请的其它实施方案。本申请旨在涵盖本申请的任何变型、用途或者适应性变化，这些变型、用途或者适应性变化遵循本申请的一般性原理并包括本申请未公开的本技术领域中的公知常识或惯用技术手段。
应当理解的是，本申请并不局限于上面已经描述并在附图中示出的精确结构，并且可以在不脱离其范围进行各种修改和改变。本申请的范围仅由所附的权利要求来限制。
另外，本申请实施例还提供了一种存储介质，存储介质用于存储计算机程序，该计算机程序用于执行上述实施例提供的方法。
本申请实施例还提供了一种包括指令的计算机程序产品，当其在计算机上运行时，使得计算机执行上述实施例提供的方法。
本说明书中各个实施例采用递进的方式描述，每个实施例重点说明的都是与其他实施例的不同之处，各个实施例之间相同相似部分互相参见即可。对于实施例公开的装置而言，由于其与实施例公开的方法相对应，所以描述的比较简单，相关之处参见方法部分说明即可。
专业人员还可以进一步意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、计算机软件或者二者的结合来实现，为了清楚地说明硬件和软件的可互换性，在上述说明中已经按照功能一般性地描述了各示例的组成及步骤。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
结合本文中所公开的实施例描述的方法或算法的步骤可以直接用硬件、处理器执行的软件模块，或者二者的结合来实施。软件模块可以置于随机存储器(RAM)、内存、只读存储器(ROM)、电可编程ROM、电可擦除可编程ROM、寄存器、硬盘、可移动磁盘、CD-ROM、或技术领域内所公知的任意其它形式的存储介质中。
对所公开的实施例的上述说明，使本领域专业技术人员能够实现或使用本申请。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本申请的核心思想或范围的情况下，在其它实施例中实现。因此，本申请将不会被限制于本文所示的这些实施例，而 是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。

Claims (16)

  1. 一种用于车辆通信的副链路监测方法，所述方法由第一车辆通信终端执行，所述副链路监测方法包括：
    与第二车辆通信终端建立单播链路；
    监测所述单播链路的通信质量，根据所述单播链路的通信质量确定所述单播链路是否故障；
    若确定所述单播链路故障，且在第一预定时间内未恢复，则释放掉所述单播链路。
  2. 根据权利要求1所述的用于车辆通信的副链路监测方法，所述监测所述单播链路的通信质量，根据所述单播链路的通信质量确定所述单播链路是否故障，包括：
    通过无线链路控制层统计基于所述单播链路传输失败的次数；
    若基于所述单播链路传输失败的次数达到设定次数，则确定所述单播链路故障。
  3. 根据权利要求1所述的用于车辆通信的副链路监测方法，所述监测所述单播链路的通信质量，根据所述单播链路的通信质量确定所述单播链路是否故障，包括：
    通过媒体访问控制层发送副链路探测信号；
    基于所述副链路探测信号的探测结果，确定所述单播链路是否故障。
  4. 根据权利要求1所述的用于车辆通信的副链路监测方法，所述监测所述单播链路的通信质量，根据所述单播链路的通信质量确定所述单播链路是否故障，包括：
    通过媒体访问控制层探测第一车辆通信终端根据所述单播链路发送的基于随机接入的握手数据包；
    基于对所述握手数据包的探测结果，确定所述单播链路是否故障。
  5. 根据权利要求1所述的用于车辆通信的副链路监测方法，所述监测所述单播链路的通信质量，根据所述单播链路的通信质量确定所述单播链路是否故障，包括：
    通过物理层测量所述第二车辆通信终端通过所述单播链路发送的参考信 号的信号质量；
    根据所述参考信号的信号质量，确定所述单播链路是否故障。
  6. 根据权利要求5所述的用于车辆通信的副链路监测方法，在确定所述单播链路故障之后，所述副链路监测方法还包括：
    通过所述物理层在第二预定时间内继续测量所述参考信号的信号质量，所述第二预定时间小于所述第一预定时间；
    若在所述第二预定时间内根据所述参考信号的信号质量确定所述单播链路恢复正常，则确定所述单播链路的物理层恢复正常。
  7. 根据权利要求1所述的用于车辆通信的副链路监测方法，所述监测所述单播链路的通信质量，根据所述单播链路的通信质量确定所述单播链路是否故障，包括：
    通过物理层统计所述第二车辆通信终端反馈的接收确认信息，所述接收确认信息是由所述第二车辆通信终端根据对通过所述单播链路传输的通信消息的接收情况发送的；
    根据所述接收确认信息，确定所述第二车辆通信终端接收失败的次数；
    根据所述接收失败的次数，确定所述单播链路是否故障。
  8. 根据权利要求1所述的用于车辆通信的副链路监测方法，所述监测所述单播链路的通信质量，根据所述单播链路的通信质量确定所述单播链路是否故障，包括：
    通过物理层、媒体访问控制层和无线链路控制层分别监测所述单播链路的通信质量；
    若所述物理层、所述媒体访问控制层和所述无线链路控制层中的至少一层确定所述单播链路的通信质量异常，则确定所述单播链路故障。
  9. 根据权利要求8所述的用于车辆通信的副链路监测方法，在所述确定所述单播链路故障之后的所述第一预定时间内，所述副链路监测方法还包括：
    若所述物理层监测到所述单播链路恢复正常，则向所述媒体访问控制层发送指示信息，以触发所述媒体访问控制层监测所述单播链路是否恢复正常；
    若所述物理层及所述媒体访问控制层监测到所述单播链路恢复正常，则向所述无线链路控制层发送指示信息，以触发所述无线链路控制层监测所述单播 链路是否恢复正常；
    若所述物理层、所述媒体访问控制层及所述无线链路控制层监测到所述单播链路恢复正常，则确定所述单播链路恢复正常。
  10. 根据权利要求8所述的用于车辆通信的副链路监测方法，在所述确定所述单播链路故障之后的所述第一预定时间内，所述副链路监测方法还包括：
    获取所述物理层、所述媒体访问控制层及所述无线链路控制层对所述单播链路的监测结果；
    若所述物理层、所述媒体访问控制层及所述无线链路控制层均监测到所述单播链路恢复正常，则确定所述单播链路恢复正常。
  11. 根据权利要求1至10中任一项所述的用于车辆通信的副链路监测方法，在所述确定所述单播链路故障之后，还包括：
    暂停通过所述单播链路发送车辆通信数据，并通过备份链路传输所述车辆通信数据。
  12. 根据权利要求11所述的用于车辆通信的副链路监测方法，所述备份链路包括第一备份链路或第二备份链路，所述通过备份链路传输所述车辆通信数据，包括：
    优先通过第一车辆通信终端与接入网实体之间的所述第一备份链路传输所述车辆通信数据，若不存在所述第一备份链路，则通过第一车辆通信终端与第二车辆通信终端之间的所述第二备份链路传输所述车辆通信数据。
  13. 一种第一车辆通信终端，包括：
    链路建立单元，用于与第二车辆通信终端建立单播链路；
    监测单元，用于监测所述单播链路的通信质量，根据所述单播链路的通信质量确定所述单播链路是否故障；
    处理单元，用于在确定所述单播链路故障，且在第一预定时间内未恢复时，释放掉所述单播链路。
  14. 一种计算机可读介质，其上存储有计算机程序，所述计算机程序用于执行如权利要求1至12中任一项所述的用于车辆通信的副链路监测方法。
  15. 一种电子设备，包括：
    一个或多个处理器；
    存储装置，用于存储一个或多个程序，当所述一个或多个程序被所述一个或多个处理器执行时，使得所述一个或多个处理器实现如权利要求1至12中任一项所述的用于车辆通信的副链路监测方法。
  16. 一种包括指令的计算机程序产品，当其在计算机上运行时，使得所述计算机执行权利要求1至12中任一项所述的用于车辆通信的副链路监测方法。
PCT/CN2020/094313 2019-06-17 2020-06-04 用于车辆通信的副链路监测方法和相关装置 WO2020253542A1 (zh)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP20827105.6A EP3927005A4 (en) 2019-06-17 2020-06-04 SIDE LINK MONITORING METHOD FOR VEHICLE COMMUNICATION AND RELATED DEVICE
KR1020217033223A KR20210137194A (ko) 2019-06-17 2020-06-04 차량 통신을 위한 사이드링크 모니터링 방법 및 관련 장치
JP2021553845A JP7234402B2 (ja) 2019-06-17 2020-06-04 車両通信のためのセカンダリリンクモニタリング方法、車両通信端末、電子機器及びコンピュータプログラム
US17/461,671 US20210392533A1 (en) 2019-06-17 2021-08-30 Sidelink monitoring method for vehicle communication and related apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910522086.7 2019-06-17
CN201910522086.7A CN110177353B (zh) 2019-06-17 2019-06-17 用于车辆通信的副链路监测方法、装置、介质及电子设备

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US17/461,671 Continuation US20210392533A1 (en) 2019-06-17 2021-08-30 Sidelink monitoring method for vehicle communication and related apparatus

Publications (1)

Publication Number Publication Date
WO2020253542A1 true WO2020253542A1 (zh) 2020-12-24

Family

ID=67698419

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/094313 WO2020253542A1 (zh) 2019-06-17 2020-06-04 用于车辆通信的副链路监测方法和相关装置

Country Status (6)

Country Link
US (1) US20210392533A1 (zh)
EP (1) EP3927005A4 (zh)
JP (1) JP7234402B2 (zh)
KR (1) KR20210137194A (zh)
CN (2) CN110177353B (zh)
WO (1) WO2020253542A1 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113219937A (zh) * 2021-03-26 2021-08-06 广州亚美智造科技有限公司 车载终端的故障分析数据处理方法、装置和车载终端
WO2023038620A1 (en) * 2021-09-08 2023-03-16 Google Llc Early real-time radio link problem detection

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110177353B (zh) * 2019-06-17 2021-11-05 腾讯科技（深圳）有限公司 用于车辆通信的副链路监测方法、装置、介质及电子设备
WO2021087804A1 (zh) * 2019-11-06 2021-05-14 富士通株式会社 一种车辆通信业务的通信方法、装置和通信系统
US20230345236A1 (en) * 2020-04-08 2023-10-26 Apple Inc. Security Improvements in SL Unicast
CN114599052B (zh) * 2022-02-28 2023-11-21 西安开天铁路电气股份有限公司 车载无线通信多设备续传方法
CN117528609A (zh) * 2022-07-29 2024-02-06 维沃移动通信有限公司 波束失败或链路失败的检测方法及终端

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101120532A (zh) * 2005-02-14 2008-02-06 Ip无线有限公司 在无线网络中的无线电链路质量确定
CN101378577A (zh) * 2008-09-27 2009-03-04 华为技术有限公司 一种链路故障检测的方法和系统
CN102143522A (zh) * 2011-04-13 2011-08-03 电信科学技术研究院 一种无线链路失败的处理方法和设备
CN102365830A (zh) * 2009-02-02 2012-02-29 三星电子株式会社 支持载波聚合的蜂窝无线通信系统中的无线链路控制方法和装置
US20120051240A1 (en) * 2010-07-29 2012-03-01 Qualcomm Incorporated Systems and methods of communication using tunneled direct link setup (tdls)
CN103889072A (zh) * 2007-10-29 2014-06-25 交互数字专利控股公司 在wtru中实施的用于检测和处理rl失败的方法及wtru
US9432860B1 (en) * 2010-05-19 2016-08-30 Sprint Spectrum L.P. Method and system for responding to a reception failure of a reverse link signal
CN110177353A (zh) * 2019-06-17 2019-08-27 腾讯科技（深圳）有限公司 用于车辆通信的副链路监测方法、装置、介质及电子设备

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090109838A1 (en) * 2007-10-30 2009-04-30 Richard Lee-Chee Kuo Method of Handling Random Access Procedure Failure and Related Communication Device
US7830785B2 (en) * 2008-01-25 2010-11-09 At&T Labs, Inc. System and method for restoration in a multimedia IP network
US10027729B2 (en) * 2015-05-22 2018-07-17 Qualcomm Incorporated Unicast support in prose direct device-to-device communication
EP3206321B1 (en) * 2016-02-15 2020-07-08 Panasonic Intellectual Property Corporation of America Improved uplink harq operation for prose-enabled ues participating in sidelink discovery operation
WO2017160070A1 (ko) * 2016-03-17 2017-09-21 엘지전자 주식회사 무선 통신 시스템에서 사이드링크 자원의 점유 정도를 보고하는 방법 및 장치
CN107205241B (zh) * 2016-03-17 2020-08-25 腾讯科技（深圳）有限公司 一种无线通信检测方法及其设备
US10362509B2 (en) * 2016-12-09 2019-07-23 Redpine Signals, Inc. Incident broadcast retransmission in a vehicular network
CN108737142B (zh) * 2017-04-21 2020-11-06 华为技术有限公司 一种调整节点检测参数的方法、节点和网状网络
EP3796709A4 (en) * 2018-07-02 2021-06-02 Huawei Technologies Co., Ltd. BYPASS METHOD AND DEVICE DEPENDING ON DUAL CONNECTIVITY LINK QUALITY
WO2020147046A1 (en) * 2019-01-16 2020-07-23 Lenovo (Beijing) Limited Methods and apparatuses of handling radio link failure
US11910457B2 (en) * 2019-01-31 2024-02-20 Apple Inc. Unicast sidelink access stratum level connection maintenance

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101120532A (zh) * 2005-02-14 2008-02-06 Ip无线有限公司 在无线网络中的无线电链路质量确定
CN103889072A (zh) * 2007-10-29 2014-06-25 交互数字专利控股公司 在wtru中实施的用于检测和处理rl失败的方法及wtru
CN101378577A (zh) * 2008-09-27 2009-03-04 华为技术有限公司 一种链路故障检测的方法和系统
CN102365830A (zh) * 2009-02-02 2012-02-29 三星电子株式会社 支持载波聚合的蜂窝无线通信系统中的无线链路控制方法和装置
US9432860B1 (en) * 2010-05-19 2016-08-30 Sprint Spectrum L.P. Method and system for responding to a reception failure of a reverse link signal
US20120051240A1 (en) * 2010-07-29 2012-03-01 Qualcomm Incorporated Systems and methods of communication using tunneled direct link setup (tdls)
CN102143522A (zh) * 2011-04-13 2011-08-03 电信科学技术研究院 一种无线链路失败的处理方法和设备
CN110177353A (zh) * 2019-06-17 2019-08-27 腾讯科技（深圳）有限公司 用于车辆通信的副链路监测方法、装置、介质及电子设备

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
LG ELECTRONICS: "Discussion on potential enhancements for Uu-based V2V, V2I/N, V2P", 3GPP DRAFT; R1-157437 UU V2X REVISION, vol. RAN WG1, 24 November 2015 (2015-11-24), Anaheim, USA, pages 1 - 11, XP051022848 *
See also references of EP3927005A4 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113219937A (zh) * 2021-03-26 2021-08-06 广州亚美智造科技有限公司 车载终端的故障分析数据处理方法、装置和车载终端
WO2023038620A1 (en) * 2021-09-08 2023-03-16 Google Llc Early real-time radio link problem detection

Also Published As

Publication number Publication date
EP3927005A1 (en) 2021-12-22
JP7234402B2 (ja) 2023-03-07
JP2022537004A (ja) 2022-08-23
CN110177353B (zh) 2021-11-05
US20210392533A1 (en) 2021-12-16
EP3927005A4 (en) 2022-04-06
CN110177353A (zh) 2019-08-27
KR20210137194A (ko) 2021-11-17
CN114222271A (zh) 2022-03-22

Similar Documents

Publication Publication Date Title
WO2020253542A1 (zh) 用于车辆通信的副链路监测方法和相关装置
US10594606B2 (en) Wired data-connection aggregation
JP2020504577A5 (zh)
CN111694674B (zh) 消息分发处理方法、装置、设备及存储介质
US20100180037A1 (en) Method and apparatus for optimizing and prioritizing the creation of a large number of VPN tunnels
WO2010105404A1 (zh) 确定传输模式的方法、装置及终端
JP2001514773A (ja) 信頼性のあるイベントデリバリシステム
WO2022142676A1 (zh) 数据传输方法、装置、计算机可读介质及电子设备
CN111181760B (zh) 网络故障探测方法、装置、计算机可读介质及电子设备
JP5610654B2 (ja) 端末管理パッケージを提供する装置及び前記端末管理パッケージを受信する方法
WO2016086638A1 (zh) 一种实现链路检测的方法、装置及计算机存储介质
JP4566148B2 (ja) ネットワーク疎通監視システム、ネットワーク疎通監視方法、中央装置、中継装置及びコンピュータプログラム
CN104639356A (zh) 一种故障恢复方法及设备
CN114257632B (zh) 断线重连的方法、装置、电子设备及可读存储介质
WO2014048129A1 (zh) 指示消息发送方法、接收方法、设备及系统
WO2012162968A1 (zh) 控制数据传输的方法、装置和系统
CN114338477A (zh) 一种通信链路监控方法、装置、设备及存储介质
CN107315660A (zh) 一种虚拟化系统的双机热备份方法、装置及系统
WO2018121353A1 (zh) 数据通路的测试方法、测试服务器及测试系统
CN110581861A (zh) 一种野外组网方法、采集服务器、采集系统及存储介质
WO2012119416A1 (zh) 一种电子设备检测的方法和电子设备
WO2019015049A1 (zh) 无线传感网络的异常处理方法及设备
CN110380937B (zh) 应用于电子设备的网络测试方法和装置
WO2023179533A1 (zh) 由用户设备执行的方法以及用户设备
JP2009151388A (ja) 監視処理プログラム、方法及び装置

Legal Events

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

Ref document number: 20827105

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2021553845

Country of ref document: JP

Kind code of ref document: A

ENP Entry into the national phase

Ref document number: 2020827105

Country of ref document: EP

Effective date: 20210916

ENP Entry into the national phase

Ref document number: 20217033223

Country of ref document: KR

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE