WO2022068553A1 - 车辆通信方法、装置、计算机可读介质及电子设备 - Google Patents

车辆通信方法、装置、计算机可读介质及电子设备 Download PDF

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Publication number
WO2022068553A1
WO2022068553A1 PCT/CN2021/117632 CN2021117632W WO2022068553A1 WO 2022068553 A1 WO2022068553 A1 WO 2022068553A1 CN 2021117632 W CN2021117632 W CN 2021117632W WO 2022068553 A1 WO2022068553 A1 WO 2022068553A1
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WIPO (PCT)
Prior art keywords
vehicle communication
discontinuous reception
reception period
value
drx cycle
Prior art date
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PCT/CN2021/117632
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English (en)
French (fr)
Inventor
雷艺学
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腾讯科技（深圳）有限公司
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Priority to EP21874214.6A priority Critical patent/EP4135364A4/en
Priority to JP2022564150A priority patent/JP2023523227A/ja
Publication of WO2022068553A1 publication Critical patent/WO2022068553A1/zh
Priority to US17/976,110 priority patent/US20230048799A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
    • H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
    • 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
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0248—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal dependent on the time of the day, e.g. according to expected transmission activity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0251—Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity
    • H04W52/0258—Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity controlling an operation mode according to history or models of usage information, e.g. activity schedule or time of day
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
    • H04W52/0274—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof
    • H04W52/028—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof switching on or off only a part of the equipment circuit blocks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present application relates to the field of computer and communication technologies, and in particular to vehicle communication technologies.
  • V2X vehicle to Everything, vehicle to the outside world
  • V2V vehicle-to-vehicle
  • V2I vehicle to Infrastructure
  • V2P vehicle to Pedestrian
  • V2N vehicle to Network
  • V2X protocol Since the initial design of the V2X protocol is mainly oriented towards vehicle terminals (ie V-UE) and broadcast as the main transmission method, it leads to redundancy in a large number of V2X messages, which is likely to cause pedestrian terminals (ie Pedestrian User Equipment, Pedestrian User Equipment, P-UE for short) consumes too much power. It can be seen that the energy consumption of the P-UE in the V2X technology is an urgent technical problem to be solved.
  • the embodiments of the present application provide a vehicle communication method, device, computer-readable medium and electronic device, which can reduce the power consumption of the vehicle communication terminal to a certain extent, reduce the dependence of the vehicle communication terminal on the network, and improve the performance of the vehicle communication terminal. Adaptability to weak network environment and no network environment.
  • a vehicle communication method executed by a vehicle communication terminal, including: acquiring at least two discontinuous reception period values for a vehicle communication message; from the at least two discontinuous reception periods Select a discontinuous reception period value from the values as the target discontinuous reception period value; and receive vehicle communication messages based on the target discontinuous reception period value; The at least two discontinuous reception period values adjust the discontinuous reception period of the vehicle communication message.
  • a vehicle communication method is provided, which is executed by a network side device or a roadside unit, including: generating an energy saving parameter specifying a vehicle communication terminal, where the energy saving parameter includes the specified vehicle communication terminal For at least two discontinuous reception period values of the vehicle communication message; configure the energy saving parameter to the designated vehicle communication terminal, and the at least two discontinuous reception period values included in the energy saving parameter are used to enable the designated vehicle
  • the communication terminal selects a discontinuous reception period value from which to receive the vehicle communication message, and is used to make the designated vehicle based on the at least two discontinuous reception period values according to the data amount of the vehicle communication message received within the set time Adjusts the discontinuous reception period for vehicle communication messages.
  • a vehicle communication device comprising: an obtaining unit configured to obtain at least two discontinuous reception period values for vehicle communication messages; a first processing unit configured to obtain at least two discontinuous reception period values from the at least one Selecting a DRX cycle value from the two DRX cycle values as a target DRX cycle value; and receiving a vehicle communication message based on the target DRX cycle value; the second processing unit is configured to set the The data amount of the vehicle communication message received within the time, and the discontinuous reception period of the vehicle communication message is adjusted based on the at least two discontinuous reception period values.
  • a vehicle communication device comprising: a generating unit configured to generate an energy saving parameter of a designated vehicle communication terminal, where the energy saving parameter includes an energy saving parameter of the designated vehicle communication terminal for a vehicle communication message at least two discontinuous reception period values; a configuration unit configured to configure the energy-saving parameters to the designated vehicle communication terminal, where the at least two discontinuous reception period values included in the energy-saving parameters are used to enable the designated vehicle
  • the communication terminal selects a discontinuous reception period value from which to receive the vehicle communication message, and is used to make the designated vehicle communication terminal, according to the data amount of the vehicle communication message received within the set time, based on the at least two discontinuous receptions
  • the period value adjusts the discontinuous reception period for vehicle communication messages.
  • a computer-readable medium on which a computer program is stored, and when the computer program is executed by a processor, implements the vehicle communication method described in the foregoing embodiments.
  • an electronic device including: one or more processors; and a storage device for storing one or more programs, when the one or more programs are stored by the one or more programs When executed by a plurality of processors, the one or more processors are caused to implement the vehicle communication method as described in the above embodiments.
  • a computer program product or computer program where the computer program product or computer program includes computer instructions, and the computer instructions are stored in a computer-readable storage medium.
  • the processor of the computer device reads the computer instructions from the computer-readable storage medium, and the processor executes the computer instructions to cause the computer device to perform the vehicle communication methods provided in the various optional embodiments described above.
  • At least two discontinuous reception period values for the vehicle communication message are obtained, and the vehicle is received based on the discontinuous reception period value selected from the at least two discontinuous reception period values.
  • the communication message enables the vehicle communication terminal to realize energy saving by way of discontinuous reception, thereby reducing the power consumption of the vehicle communication terminal.
  • the discontinuous receiving period of the vehicle communication message based on the at least two discontinuous receiving period values according to the data amount of the vehicle communication message received within the set time, so that the discontinuous receiving period can be adjusted adaptively.
  • the power consumption of the vehicle communication terminal matches the number of received vehicle communication messages, effectively reducing the power consumption of the vehicle communication terminal when the number of vehicle communication messages is small, and can reduce the dependence on the network and improve the vehicle communication terminal.
  • FIG. 1 shows a schematic diagram of an application scenario to which the technical solutions of the embodiments of the present application can be applied;
  • FIG. 2 shows a flowchart of a vehicle communication method according to an embodiment of the present application
  • FIG. 3 shows a flowchart of a vehicle communication method according to an embodiment of the present application
  • FIG. 4 shows a schematic diagram of multiple discontinuous reception periods according to an embodiment of the present application
  • FIG. 5 shows a flowchart of configuring multiple discontinuous reception periods according to an embodiment of the present application
  • FIG. 6 shows a schematic diagram of the state machine flow of a pedestrian terminal adjusting the DRC cycle according to an embodiment of the present application
  • FIG. 7 shows a schematic diagram of an interaction process between an RSU/network side device and a P-UE according to an embodiment of the present application
  • FIG. 8 shows a block diagram of a vehicle communication device according to an embodiment of the present application.
  • FIG. 9 shows a block diagram of a vehicle communication device according to an embodiment of the present application.
  • FIG. 10 shows a schematic structural diagram of a computer system suitable for implementing the electronic device according to the embodiment of the present application.
  • FIG. 1 shows a schematic diagram of an application scenario to which the technical solutions of the embodiments of the present application can be applied.
  • the user 101 carries a pedestrian terminal (ie P-UE), and the user 101 may be in a busy road section 102, or may be in a residential area 103 without V2P messages, or may be in a non-busy road section 104 places.
  • the number of V2P messages at the busy road section 102 , the residential area 103 and the non-busy road section 104 is not the same. If the pedestrian terminal keeps the same receiving state, it will cause unnecessary power consumption of the pedestrian terminal.
  • the pedestrian terminal may be pre-configured with at least two discontinuous reception period values for vehicle communication messages, or, when the pedestrian terminal is within the coverage of the network, the network side device may configure the pedestrian terminal with at least two discontinuous reception period values. Two non-consecutive receive period values. Then, the pedestrian terminal adaptively selects the corresponding discontinuous reception period value according to the actual location of the vehicle communication message, so as to reduce the power consumption of the pedestrian terminal on the premise that the pedestrian terminal can receive the vehicle communication message.
  • V2P messages may be dense, and at this time, the pedestrian terminal carried by the user 101 can receive V2P messages based on a relatively small discontinuous reception period .
  • the pedestrian terminal carried by the user 101 can select a more A large discontinuous reception period is used to receive V2P messages, thereby effectively reducing the power consumption of pedestrian terminals in scenarios with no V2P messages or very few V2P messages.
  • the pedestrian terminal carried by the user 101 can be pre-configured or configured from at least two In the discontinuous reception period, a moderate discontinuous reception period is selected (optionally, the moderate discontinuous reception period is greater than the discontinuous reception period adopted by the pedestrian terminal at the busy road section 102 and smaller than that adopted by the pedestrian terminal at the residential area 103 .
  • the discontinuous reception period to receive V2P messages, thereby reducing the power consumption of pedestrian terminals on the premise that pedestrian terminals can receive vehicle communication messages.
  • the network side device or the roadside unit may control whether the pedestrian terminal adaptively selects the corresponding discontinuous reception period value.
  • the network side device or the roadside unit may send a message to the designated pedestrian terminal. Notify signaling to notify the pedestrian terminal to turn on the energy saving mode; accordingly, the pedestrian terminal can adaptively select the corresponding discontinuous reception period value according to the actual location of the vehicle communication message.
  • the pedestrian terminal can also send a request message to the network-side device or roadside unit when it is determined that the energy-saving mode needs to be enabled, and the network-side device or roadside unit can determine whether the pedestrian terminal can enable the energy-saving mode.
  • the side unit determines that the pedestrian terminal can turn on the energy-saving mode, it can return a corresponding response message to the pedestrian terminal. Accordingly, the pedestrian terminal can adaptively select the corresponding discontinuous reception period value according to the actual location of the vehicle communication message. .
  • the technical solutions of the embodiments of the present application can effectively reduce the power consumption of the pedestrian terminal on the premise that the pedestrian terminal can receive the V2P message, and because at least two discontinuous reception period values can be pre-configured for the pedestrian terminal, or When there is network coverage, at least two discontinuous reception period values are configured for the pedestrian terminal, so the adaptability of the pedestrian terminal to a weak network environment and an environment without a network can also be improved.
  • FIG. 2 shows a flow chart of a vehicle communication method according to an embodiment of the present application.
  • the vehicle communication method may be executed by a vehicle communication terminal, such as a pedestrian terminal, or a vehicle terminal.
  • a vehicle communication terminal such as a pedestrian terminal, or a vehicle terminal.
  • the vehicle communication method includes at least steps S210 to S230, and the details are as follows:
  • step S210 at least two discontinuous reception period values for the vehicle communication message are acquired.
  • the vehicle communication terminal may acquire at least two discontinuous reception period values preconfigured for the vehicle communication message.
  • the vehicle communication terminal can obtain at least two discontinuous reception period values preconfigured by the RSU through the PC5 interface with the RSU (Road Side Unit, road side unit).
  • the vehicle communication terminal may also receive at least two discontinuous reception period values configured by the network-side device when it is within the coverage of the network.
  • the network side device may be a PCF (Policy Control Function) entity, and the PCF entity may configure at least two discontinuous reception period values to the AMF (Access and Mobility Management Function) vehicle communication terminal.
  • the network side device may be an AF (Application Function, application function) entity, and the AF entity may configure at least two discontinuous reception period values to the vehicle communication terminal through the V1 interface.
  • other period values except the minimum non-zero period value among the at least two discontinuous reception period values acquired by the vehicle communication terminal are integer multiples of the minimum non-zero period value. For example, if the smallest non-zero period value among the at least two discontinuous reception period values is T, then the other period values are n ⁇ T, where n is a positive integer.
  • the configuration of the discontinuous reception period can ensure that the vehicle communication message can be received regardless of which discontinuous reception period value the vehicle communication terminal adopts.
  • vehicle communication terminals in order to further ensure that the vehicle communication terminal can receive the vehicle communication message no matter which discontinuous reception period value it adopts, other vehicle communication terminals can be made to use the minimum value of the at least two discontinuous reception period values. value to send vehicle communication messages.
  • the vehicle communication messages may be interactions such as safety-type reminders (eg, collision warning) messages, efficiency-type reminders (eg, congestion reminders) messages, and infotainment-type reminders (eg, map updates, route planning) messages Wait.
  • safety-type reminders eg, collision warning
  • efficiency-type reminders eg, congestion reminders
  • infotainment-type reminders eg, map updates, route planning
  • step S220 one DRX cycle value is selected from the at least two DRX cycle values as a target DRX cycle value; and a vehicle communication message is received based on the target DRX cycle value.
  • any one DRX cycle value may be selected from the at least two DRX cycle values as the target DRX cycle value, and the vehicle receives the vehicle based on the selected target DRX cycle value communication message.
  • the smallest DRX cycle value can also be selected from the at least two DRX cycle values as the target DRX cycle value, which can ensure that the vehicle communication terminal can receive as many vehicle communication messages as possible.
  • the largest DRX cycle value can also be selected from the at least two DRX cycle values as the target DRX cycle value, which can reduce the communication energy consumption required by the vehicle communication terminal.
  • step S230 the discontinuous reception period of the vehicle communication message is adjusted based on at least two discontinuous reception period values according to the number of vehicle communication messages received within the set time.
  • the discontinuous reception of the vehicle communication message is increased based on at least two discontinuous reception period values cycle.
  • the process of increasing the discontinuous reception period of the vehicle communication message may specifically be: in the case of receiving the vehicle communication message based on the target discontinuous reception period value, if the received vehicle communication message is received within a set time The data amount of the vehicle communication message is less than or equal to the first threshold, then the discontinuous reception period of the vehicle communication terminal is increased based on the value of at least two discontinuous reception periods, until the discontinuous reception period of the vehicle communication terminal reaches at least two discontinuous reception periods The maximum value of the period values.
  • the discontinuous reception period 2 (non-continuous reception period 2) may be used.
  • the continuous reception period 2 is greater than the discontinuous reception period 1) to receive the vehicle communication message;
  • the discontinuous reception period 3 (the discontinuous reception period 3 is greater than the discontinuous reception period 2) can be used to receive the vehicle communication message, and so on, until the discontinuous reception period of the vehicle communication terminal reaches the maximum value until.
  • a value greater than the value of the discontinuous reception period being used by the vehicle communication terminal may be selected from the at least two discontinuous reception period values.
  • the DRX cycle value that is, the target DRX cycle value
  • the DRX cycle value closest to the DRX cycle value being used by the vehicle communication terminal is selected from the at least two discontinuous reception period values.
  • the order of the at least two DRX cycles from small to large is DRX cycle 1, DRX cycle 2, DRX cycle 3, DRX cycle 4, then if the vehicle communication terminal is using DRX If the receiving period is 1, the discontinuous receiving period 2 is preferably used when increasing; if the vehicle communication terminal is using the discontinuous receiving period 2, the discontinuous receiving period 3 is preferably used when increasing. Of course, in other embodiments of the present application, if the vehicle communication terminal is using the discontinuous reception period 1, the discontinuous reception period 3 or the discontinuous reception period 4 may also be used when increasing.
  • the first threshold and the second threshold may be values greater than or equal to 0.
  • the discontinuous reception of the vehicle communication message is reduced based on at least two discontinuous reception period values cycle.
  • the process of reducing the discontinuous reception period of the vehicle communication message may specifically be: in the case of receiving the vehicle communication message based on the target discontinuous reception period value, if the received vehicle communication message is received within a set time If the data volume of the vehicle communication message is greater than or equal to the third threshold, the discontinuous reception period of the vehicle communication terminal is reduced based on at least two discontinuous reception period values until the discontinuous reception period of the vehicle communication terminal reaches at least two discontinuous reception periods Minimum of period values.
  • the discontinuous reception period 3 (non-continuous reception period 3) may be used.
  • the continuous reception period 3 is less than the discontinuous reception period 4) to receive the vehicle communication message; when the vehicle communication terminal receives the vehicle communication message based on the discontinuous reception period 3, if the data volume of the vehicle communication message received within the set time is still is greater than or equal to the third threshold, then the discontinuous reception period 2 (the discontinuous reception period 2 is less than the discontinuous reception period 3) can be used to receive the vehicle communication message, and so on, until the discontinuous reception period of the vehicle communication terminal reaches the minimum value until.
  • discontinuous reception period value the higher the reception frequency of vehicle communication messages, and the greater the communication energy consumption required accordingly.
  • a value smaller than that of the vehicle communication terminal being used may be selected from the at least two discontinuous reception period values.
  • the DRX cycle value that is, the target DRX cycle value
  • the DRX cycle value closest to the DRX cycle value being used by the vehicle communication terminal may be selected from the at least two discontinuous reception period values.
  • the order of the at least two DRX cycles from small to large is DRX cycle 1, DRX cycle 2, DRX cycle 3, DRX cycle 4, then if the vehicle communication terminal is using DRX If the receiving period is 4, the discontinuous receiving period 3 is preferably used when reducing; if the vehicle communication terminal is using the discontinuous receiving period 3, the discontinuous receiving period 2 is preferably used when reducing.
  • the discontinuous reception period 4 or the discontinuous reception period 1 may also be used when increasing.
  • the data volume of the vehicle communication message received in a unit time is greater than or equal to the fourth threshold, and the duration reaches a set time, it is determined that the vehicle communication received within the set time
  • the data volume of the message is greater than or equal to the third threshold, and the fourth threshold is greater than or equal to the third threshold.
  • the third threshold and the fourth threshold may be values greater than or equal to 0.
  • the vehicle communication terminal when the vehicle communication terminal receives a vehicle communication message based on any one of the at least two discontinuous reception period values, if a vehicle communication message is received, the vehicle communication The DRX cycle value of the terminal is adjusted to the minimum value among at least two DRX cycle values.
  • the technical solution of this embodiment makes it possible to select the smallest discontinuous reception period value from the at least two discontinuous reception period values after the vehicle communication terminal receives the vehicle communication message, thereby ensuring that the vehicle communication terminal can receive as many discontinuous reception periods as possible. vehicle communication messages.
  • the data volume of the vehicle communication message involved in the foregoing embodiment may be either the number of vehicle communication messages or the number of bytes of the vehicle communication message. If the data volume of the vehicle communication message is the number of vehicle communication messages, then the first threshold, the second threshold, the third threshold and the fourth threshold in the foregoing embodiment are all values used to represent the number; The data volume is the number of bytes of the vehicle communication message, then the first threshold, the second threshold, the third threshold and the fourth threshold in the foregoing embodiments are all values used to represent the number of bytes.
  • whether the vehicle communication terminal adopts the technical solution of the embodiment shown in FIG. 2 to save energy may be controlled by the roadside unit or the network side device.
  • the vehicle communication terminal may receive the roadside
  • the notification signaling sent by the unit or the network side device the notification signaling is used to notify the designated vehicle communication terminal whether to turn on the energy-saving mode; if the notification signaling informs the vehicle communication terminal to turn on the energy-saving mode, the vehicle communication terminal can
  • the technical solutions of the illustrated embodiments are used to save energy.
  • the vehicle communication terminal may also actively request to enable the energy-saving mode. For example, if the vehicle communication terminal determines that the current power consumption is relatively high or the current power consumption is low, it may initiate a request to enable the energy-saving mode. Specifically, when it is determined that the energy-saving mode needs to be entered, the vehicle communication terminal sends a request message for enabling the energy-saving mode to the roadside unit or the network-side device, and receives a response message from the roadside unit or the network-side device to the request message; if the response message Instructing the roadside unit or the network side device to allow the sender of the request message to enable the energy saving mode, the vehicle communication terminal may adopt the technical solution of the embodiment shown in FIG. 2 to save energy.
  • FIG. 2 illustrates the vehicle communication method of the embodiment of the present application from the perspective of a vehicle communication terminal.
  • the following describes the technical solution of the embodiment of the present application from the perspective of a network side device or a roadside unit with reference to FIG. 3 :
  • FIG. 3 shows a flowchart of a vehicle communication method according to an embodiment of the present application, and the vehicle communication method may be executed by a network side device or a roadside unit.
  • the vehicle communication method includes at least steps S310 to S320, and the details are as follows:
  • step S310 an energy saving parameter of the designated vehicle communication terminal is generated, where the energy saving parameter includes at least two discontinuous reception period values of the designated vehicle communication terminal for the vehicle communication message.
  • other period values except the minimum non-zero period value among the at least two discontinuous reception period values are integer multiples of the minimum non-zero period value. For example, if the smallest non-zero period value among the at least two discontinuous reception period values is T, then the other period values are n ⁇ T, where n is a positive integer.
  • T the smallest non-zero period value among the at least two discontinuous reception period values
  • n a positive integer
  • the aforementioned energy-saving parameters may also include time information when the vehicle communication terminal turns on the energy-saving mode, and the time information is used to instruct the vehicle communication terminal to use the at least two discontinuous reception periods at corresponding time points value to receive vehicle communication messages.
  • the aforementioned energy-saving parameters may further include area information for the vehicle communication terminal to turn on the energy-saving mode, and the area information is used to instruct the vehicle communication terminal to use the at least two discontinuous reception period values at the corresponding position to receive vehicle communication messages.
  • the energy-saving parameter is configured to the designated vehicle communication terminal, and the at least two discontinuous reception period values included in the energy-saving parameter are used for the designated vehicle communication terminal to select one discontinuous reception period value to receive the vehicle communication message. , and is used to make the designated vehicle communication terminal adjust the discontinuous reception period of the vehicle communication message based on at least two discontinuous reception period values according to the data amount of the vehicle communication message received within the set time.
  • the roadside unit can configure the energy saving parameter to the designated vehicle communication terminal through the PC5 interface. If the vehicle communication method shown in FIG. 3 is performed by a network side device, then if the network side device is a PCF entity, the PCF entity can configure the energy-saving parameters to the designated vehicle communication terminal through AMF, and if the network side device is an AF entity, then The AF entity can configure the energy-saving parameters to the designated vehicle communication terminal through the V1 interface.
  • the network side device or the roadside unit may send notification signaling to the designated vehicle communication terminal to notify the designated vehicle communication terminal whether the energy saving mode is enabled, and if the notification signaling informs the designated vehicle communication terminal to enable the energy saving mode mode, the designated vehicle communication terminal can adopt the technical solution of the embodiment shown in FIG. 2 to save energy.
  • the network side device or the roadside unit may feed back a response message for the request message to the designated vehicle communication terminal, the response message It is used to indicate whether the specified vehicle communication terminal is allowed to turn on the energy saving mode. If the response message instructs the roadside unit or the network side device to allow the sender of the request message to enable the energy saving mode, the designated vehicle communication terminal can adopt the technical solution of the embodiment shown in FIG. 2 to save energy.
  • the network-side device or the road-side unit may decide whether to allow the vehicle communication terminal to enable the energy-saving mode according to the configuration information and capabilities of the network side or the road-side.
  • the technical solutions of the embodiments of the present application are mainly to enable the vehicle communication terminal (especially the pedestrian terminal P-UE, which is described below by taking the P-UE as an example) to adaptively and dynamically adjust the DRX (Discontinuous Reception) of the V2P message. period, thereby realizing the energy saving of the P-UE.
  • the P-UE can negotiate multiple possible DRX cycle values with the network side device (or RSU), or multiple DRX cycle values can be pre-configured on the P-UE, which can be used in weak or no network coverage scenarios , the DRX cycle used for receiving the vehicle communication message is adaptively adjusted through the multiple DRX cycle values.
  • period 2 is twice as long as period 1
  • period 3 is four times as long as period 1. It should be noted that the relationship between the number of cycles and each cycle shown in FIG. 4 is only for illustration.
  • the P-UE may acquire from the PCF (transited by the AMF through a NAS (Non-Access Stratum, non-access stratum) level connection) when it is within the coverage of the network Energy-saving configurations such as multiple DRX cycles.
  • the P-UE may acquire the power saving configuration for multiple DRX cycles etc. from the AF (via the V1 interface).
  • the P-UE may also acquire energy-saving configurations such as multiple DRX cycles in a pre-configured manner.
  • the frequency band where the P-UE communicates through the PC5 is not the frequency band connected by the Uu interface, that is, the connection based on the Uu interface may not exist; or the connection based on the Uu interface exists, but it may not be able to maintain a long connection to the PC5.
  • the pre-configuration server may configure all P-UEs in a specific area, thereby realizing coordination of the P-UE energy saving mechanism.
  • the P-UE can adaptively adjust the DRX cycle.
  • the P-UE can choose between DRX cycles without renegotiating or re-acquiring configurations with network-side equipment or road-side units.
  • you need to reconfigure multiple DRX cycle values you need to enter the connected state.
  • a P-UE that needs to save energy may use the starting period among the multiple DRX periods (the starting period may be the minimum period among the multiple DRX periods) , and then wait to continue receiving data; if no data is received within a certain period of time or there is very little data received, the DRX cycle is automatically increased until the DRX cycle of the P-UE reaches the maximum DRX value among the multiple DRX cycles.
  • the P-UE can increase the DRX cycle.
  • the P-UE can work in the initial DRX cycle in the initial stage 0, when the P-UE is working on DRX cycle 0, if it is found that the amount of data becomes sparse (for example, the number of V2P messages received per second is reduced below a certain threshold or no V2P messages are received) and a certain time t After that, the DRX cycle can be adjusted to DRX cycle 1; if the data volume sparse condition continues to be satisfied (that is, the number of V2P messages received per second is reduced below a certain threshold or no V2P messages are received) and after the duration t, the The DRX cycle is adjusted to DRX cycle 2; and so on, if the data volume sparse condition is continuously satisfied and the duration is t, the DRX cycle of the P-UE will increase to DRX cycle m.
  • DRX cycle 1 shall be a non-zero DRX cycle.
  • the roadside unit or other vehicle communication terminal (such as a vehicle terminal)
  • data may be sent according to the smallest DRX cycle among the multiple DRX cycles, so as to ensure that the P-UE can receive the V2P message no matter which DXR cycle is used.
  • the timing of sending the message by the roadside unit or other vehicle communication terminal may also include the receiving timing of all P-UEs, so as to ensure that the P-UE can not miss the message.
  • all P-UEs can be Vehicle communication terminals (including vehicle terminals and pedestrian terminals, etc.) are synchronized. If the roadside unit participates in the transmission of V2P messages, the roadside unit also needs to be synchronized with the V2P terminal. The essence of this design is to exchange the power consumption of the vehicle terminal and the roadside unit for the energy saving of the P-UE. In actual use, since the roadside unit will have continuous power supply, and the vehicle terminal is generally powered by the vehicle power supply, the energy consumption is not However, P-UEs are generally Internet of Things devices such as mobile phones or bracelets, and their energy consumption is limited. Therefore, the technical solutions in the embodiments of the present application have significant practical significance.
  • the RSU or a network-side device may notify the P-UE to turn on or turn off the energy-saving mode in the embodiment of the present application through signaling, because whether this energy-saving mode can be turned on , which is related to network-side capabilities and deployment configurations.
  • the explicit configuration information of the RSU or the network-side device can also enable other vehicle communication terminals to know whether the P-UE has activated this energy-saving mode.
  • Step S701 the P-UE requests the RSU/network side device to enable the energy saving mode.
  • step S701 is a step performed when the P-UE actively requests to turn on the energy-saving mode, but this step is an optional step. If the RSU/network side device directly informs the P-UE to turn on the energy-saving mode, then Step S701 need not be performed.
  • Step S702a the RSU/network side device configures energy saving parameters to the P-UE, where the energy saving parameters include multiple DRX cycles.
  • the energy saving parameter may further include time information for the P-UE to turn on the energy saving mode, information about the area for turning on the energy saving mode, and the like. The time information is used to instruct the P-UE to turn on the energy-saving mode at a corresponding time point, and the area information is used to instruct the P-UE to turn on the energy-saving mode at a corresponding location.
  • Step S702b the RSU/network side device notifies the P-UE to enable the energy saving mode.
  • the P-UE may receive the V2P message by using the configured energy-saving parameters in the manner of adaptively adjusting the DRX cycle described in the above embodiment.
  • step S702a can be executed first, and then step S702b can be executed according to the technical solution of the embodiment shown in FIG. 7; Step S702b is executed, and then step S702a is executed; or step S702a and step S702b may be executed simultaneously.
  • step S702a may be executed before the P-UE requests the RSU/network side device to turn on the energy-saving mode, so as to save the energy-saving mode.
  • the parameters are configured to the P-UE.
  • Step S703 when it is necessary to end the energy-saving mode, the RSU/network side device notifies the P-UE to end the energy-saving mode.
  • the RSU/network side device may determine whether the power saving mode needs to be terminated, or the P-UE may determine whether the power saving mode needs to be terminated. If the P-UE determines whether the energy saving mode needs to be terminated, then when the P-UE determines to end the energy saving mode, the P-UE can send a message requesting the end of the energy saving mode to the RSU/network side device, and then the RSU/network side device determines When the P-UE is allowed to end the energy saving mode, the P-UE is notified to end the energy saving mode.
  • the technical solutions of the above embodiments of the present application enable the vehicle communication terminal to achieve energy saving by means of discontinuous reception, thereby reducing the power consumption of the vehicle communication terminal.
  • the vehicle communication terminal can adjust the discontinuous reception period adaptively through the configured multiple discontinuous reception period values, so that the power consumption of the vehicle communication terminal matches the current received vehicle communication message volume, effectively reducing the vehicle communication rate.
  • the power consumption of the communication terminal when the vehicle communication messages are few can reduce the dependence on the network, and improve the adaptability of the vehicle communication terminal to the weak network environment and the non-network environment.
  • the device embodiments of the present application are described below, which can be used to execute the vehicle communication methods in the above-mentioned embodiments of the present application.
  • the vehicle communication method of the present application please refer to the above-mentioned embodiments of the vehicle communication method of the present application.
  • FIG. 8 shows a block diagram of a vehicle communication device according to an embodiment of the present application.
  • the vehicle communication device may be set in a vehicle communication terminal, such as a pedestrian terminal, or a vehicle terminal.
  • a vehicle communication device 800 includes an acquisition unit 802 , a first processing unit 804 and a second processing unit 806 .
  • the acquiring unit 802 is configured to acquire at least two discontinuous reception period values for the vehicle communication message; the first processing unit 804 is configured to select one discontinuous reception period value from the at least two discontinuous reception period values, as and receiving the vehicle communication message based on the target DRX cycle value; the second processing unit 806 is configured to, according to the data amount of the vehicle communication message received within the set time, based on the at least two A discontinuous reception period value to adjust the discontinuous reception period of vehicle communication messages.
  • the first processing unit 804 is configured to: receive notification signaling sent by a roadside unit or a network side device, where the notification signaling is used to notify whether the vehicle communication terminal is turned on Energy saving mode; if the notification signaling informs the vehicle communication terminal to turn on the energy saving mode, the vehicle communication message is received based on the target discontinuous reception period value.
  • the first processing unit 804 is configured to: if it is determined that the energy saving mode needs to be entered, send a request message for enabling the energy saving mode to the roadside unit or the network side device, and receive the roadside unit or network side device.
  • the response message fed back by the side unit or the network side device to the request message; if the response message indicates that the roadside unit or the network side device allows the sender of the request message to turn on the energy-saving mode, based on the target discontinuous reception period value to receive vehicle communication messages.
  • the obtaining unit 802 is configured to: obtain at least two discontinuous reception period values preconfigured for the vehicle communication message; or, when the vehicle communication terminal is within the coverage of the network , receiving the at least two discontinuous reception period values configured by the network side device.
  • the obtaining unit 802 is configured to: receive the at least two discontinuous reception period values configured by the policy control function entity; or, receive the at least two discontinuous reception period values configured by the application function entity Two non-consecutive receive period values.
  • the first processing unit 804 is configured to: select any one DRX cycle value from the at least two DRX cycle values as the target DRX cycle value; or select the smallest DRX cycle value from the at least two DRX cycle values as the target DRX cycle value; or select the largest DRX cycle value from the at least two DRX cycle values The DRX cycle value of , as the target DRX cycle value.
  • the second processing unit 806 is configured to:
  • the discontinuous reception period of the vehicle communication message is increased based on the at least two discontinuous reception period values.
  • the second processing unit 806 is specifically configured as:
  • the target discontinuous reception period value is any discontinuous reception period value
  • the data amount of the vehicle communication message received within the set time is less than the first threshold value, based on the at least two The discontinuous reception period value increases the discontinuous reception period of the vehicle communication terminal until the discontinuous reception period of the vehicle communication terminal reaches the maximum value of the at least two discontinuous reception period values.
  • the second processing unit 806 is configured to: from the at least two DRX cycle values, select a DRX cycle value greater than the target DRX cycle value and the same as the target DRX cycle value. The DRX cycle value that is closest to the DRX cycle value.
  • the second processing unit 806 is further configured to: if the data volume of the vehicle communication message received in a unit time is less than or equal to the second threshold, and the duration reaches the set value If the set time is set, it is determined that the data volume of the vehicle communication message received within the set time is less than or equal to the first threshold, and the second threshold is less than or equal to the first threshold.
  • the second processing unit 806 is configured to:
  • the data amount of the vehicle communication message received within the set time is greater than or equal to the third threshold, reducing the discontinuous reception period of the vehicle communication message based on the at least two discontinuous reception period values.
  • the second processing unit 806 is further configured to: in the process of receiving the vehicle communication message based on any one of the at least two DRX cycle values , if the vehicle communication message is received, adjust the discontinuous reception period value of the vehicle communication terminal to the minimum value among the at least two discontinuous reception period values.
  • other period values except the minimum non-zero period value among the at least two discontinuous reception period values are integer multiples of the minimum non-zero period value.
  • the vehicle communication device 800 is provided in a pedestrian terminal, and the transmission period of the vehicle communication message received by the pedestrian terminal is one of the at least two discontinuous reception period values. the minimum value of .
  • FIG. 9 shows a block diagram of a vehicle communication device according to an embodiment of the present application, and the vehicle communication device may be provided in a network-side device or a road-side unit.
  • a vehicle communication device 900 includes: a generating unit 902 and a configuring unit 904 .
  • the generating unit 902 is configured to generate energy-saving parameters of the designated vehicle communication terminal, where the energy-saving parameters include at least two discontinuous reception period values of the designated vehicle communication terminal for vehicle communication messages; the configuration unit 904 is configured to The energy-saving parameter is configured to the designated vehicle communication terminal, and the at least two discontinuous reception period values included in the energy-saving parameter are used to enable the designated vehicle communication terminal to select one discontinuous reception period value to receive the vehicle communication message, and use In order to make the designated vehicle communication terminal adjust the discontinuous reception period of the vehicle communication message based on the at least two discontinuous reception period values according to the data amount of the vehicle communication message received within the set time.
  • the vehicle communication device 900 further includes: a third processing unit configured to: send notification signaling to the designated vehicle communication terminal, where the notification signaling is used for Notifying the designated vehicle communication terminal whether to enable the energy-saving mode; or, if receiving a request message for enabling the energy-saving mode sent by the designated vehicle communication terminal, feeding back a response message for the request message to the designated vehicle communication terminal, The response message is used to indicate whether the designated vehicle communication terminal is allowed to turn on the energy saving mode.
  • a third processing unit configured to: send notification signaling to the designated vehicle communication terminal, where the notification signaling is used for Notifying the designated vehicle communication terminal whether to enable the energy-saving mode; or, if receiving a request message for enabling the energy-saving mode sent by the designated vehicle communication terminal, feeding back a response message for the request message to the designated vehicle communication terminal, The response message is used to indicate whether the designated vehicle communication terminal is allowed to turn on the energy saving mode.
  • FIG. 10 shows a schematic structural diagram of a computer system suitable for implementing the electronic device according to the embodiment of the present application.
  • the computer system 1000 includes a central processing unit (Central Processing Unit, CPU) 1001, which can be loaded into a random device according to a program stored in a read-only memory (Read-Only Memory, ROM) 1002 or from a storage part 1008
  • CPU Central Processing Unit
  • ROM Read-Only Memory
  • RAM Random Access Memory
  • a program in a memory (Random Access Memory, RAM) 1003 is accessed to perform various appropriate actions and processes, such as performing the methods described in the above embodiments.
  • RAM 1003 Random Access Memory
  • various programs and data required for system operation are also stored.
  • the CPU 1001, the ROM 1002, and the RAM 1003 are connected to each other through a bus 1004.
  • An Input/Output (I/O) interface 1005 is also connected to the bus 1004 .
  • the following components are connected to the I/O interface 1005: an input section 1006 including a keyboard, a mouse, etc.; an output section 1007 including a cathode ray tube (CRT), a liquid crystal display (LCD), etc., and a speaker, etc. ; a storage part 1008 including a hard disk and the like; and a communication part 1009 including a network interface card such as a LAN (Local Area Network) card, a modem, and the like.
  • the communication section 1009 performs communication processing via a network such as the Internet.
  • a drive 1010 is also connected to the I/O interface 1005 as needed.
  • a removable medium 1011 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, etc., is mounted on the drive 1010 as needed so that a computer program read therefrom is installed into the storage section 1008 as needed.
  • embodiments of the present application include a computer program product comprising a computer program carried on a computer-readable medium, the computer program comprising a computer program for performing the method shown in the flowchart.
  • the computer program may be downloaded and installed from the network via the communication portion 1009, and/or installed from the removable medium 1011.
  • 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 above two.
  • the computer-readable storage medium can be, for example, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus or device, or a combination of any 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 Erasable Programmable Read Only Memory (EPROM), flash memory, optical fiber, portable Compact Disc Read-Only Memory (CD-ROM), optical storage device, magnetic storage device, or any suitable of the above The combination.
  • a computer-readable storage medium can be any tangible medium that contains or stores a program that can be used by or in conjunction with an instruction execution system, apparatus, or device.
  • a computer-readable signal medium may include a data signal propagated in baseband or as part of a carrier wave, carrying a computer-readable computer program therein.
  • Such propagated data signals may take a variety of forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the foregoing.
  • a computer-readable signal medium can also be any computer-readable medium other than a computer-readable storage medium that can transmit, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device .
  • a computer program embodied on a computer-readable medium may be transmitted using any suitable medium, including but not limited to: wireless, wired, etc., or any suitable combination of the foregoing.
  • each block in the flowchart or block diagram may represent a module, program segment, or part of code, and the above-mentioned module, program segment, or part of code contains one or more executables for realizing the specified logical function instruction.
  • the functions noted in the blocks may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved.
  • the units involved in the embodiments of the present application may be implemented in software or hardware, and the described units may 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.
  • the present application also provides a computer-readable medium.
  • the computer-readable medium may be included in the electronic device described in the above embodiments; it may also exist alone without being assembled into the electronic device. middle.
  • the above-mentioned computer-readable medium carries one or more programs, and when the above-mentioned one or more programs are executed by an electronic device, enables the electronic device to implement the methods described in the above-mentioned embodiments.
  • the exemplary embodiments described herein may be implemented by software, or may be implemented by software combined with necessary hardware. Therefore, the technical solutions according to the embodiments of the present application may be embodied in the form of software products, and the software products may be stored in a non-volatile storage medium (which may be CD-ROM, U disk, mobile hard disk, etc.) or on the network , which includes several instructions to cause a computing device (which may be a personal computer, a server, a touch terminal, or a network device, etc.) to execute the method according to the embodiments of the present application.
  • a computing device which may be a personal computer, a server, a touch terminal, or a network device, etc.

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Abstract

本申请的实施例提供了一种车辆通信方法、装置、计算机可读介质及电子设备。该车辆通信方法包括：获取针对车辆通信消息的至少两个非连续接收周期值；从所述至少两个非连续接收周期值中选择一个非连续接收周期值，作为目标非连续接收周期；并基于该目标非连续接收周期值接收车辆通信消息；根据在设定时间内接收到的车辆通信消息的数据量，基于所述至少两个非连续接收周期值，调整车辆通信消息的非连续接收周期。本申请实施例的技术方案可以降低车辆通信终端的功耗，并且可以减少对网络的依赖，提高了车辆通信终端对弱网环境及无网络环境的适应能力。

Description

车辆通信方法、装置、计算机可读介质及电子设备
本申请要求于2020年09月29日提交中国专利局、申请号为2020110557549、申请名称为“车辆通信方法、装置、计算机可读介质及电子设备”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，具体涉及车辆通信技术。
背景技术
V2X(vehicle to Everything，车辆对外界)通信是通过装载在车上的传感器、车载终端等提供车辆信息，并通过各种通信技术实现车与车之间(Vehicle to Vehicle，V2V)、车与路之间(Vehicle to Infrastructure，V2I)、车与人之间(Vehicle to Pedestrian，V2P)、车与网络之间(Vehicle to Network，V2N)的相互通信。
由于V2X协议的设计初期以面向车辆终端(即V-UE)为主，以广播为主要传播方式，因此，导致大量V2X消息存在冗余，而这容易造成V2P中行人终端(即Pedestrian User Equipment，简称P-UE)的耗电量过大。可见，V2X技术中P-UE的能耗问题是亟待解决的技术问题。
发明内容
本申请的实施例提供了一种车辆通信方法、装置、计算机可读介质及电子设备，能够在一定程度上降低车辆通信终端的功耗，减少车辆通信终端对网络的依赖，提高车辆通信终端对弱网环境及无网络环境的适应能力。
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，提供了一种车辆通信方法，由车辆通信终端执行，包括：获取针对车辆通信消息的至少两个非连续接收周期值；从所述至少两个非连续接收周期值中选择一个非连续接收周期值，作为目标非连续接收周期值；并基于所述目标非连续接收周期值接收车辆通信消息；根据在设定时间内接收到的车辆通信消息的数据量，基于所述至少两个非连续接收周期值，调整车辆通信消息的非连续接收周期。
根据本申请实施例的一个方面，提供了一种车辆通信方法，由网络侧设备或路侧单元执行，包括：生成指定车辆通信终端的节能参数，所述节能参数中包括所述指定车辆通信终端针对车辆通信消息的至少两个非连续接收周期值；将所述节能参数配置给所述指定车辆通信终端，所述节能参数中包括的至少两个非连续接收周期值用于使所述指定车辆通信终端从中选择一个非连续接收周期值来接收车辆通信消息，并用于使所述指定车辆根据在设定时间内接收到的车辆通信消息的数据量，基于所述至少两个非连续接收周期值 调整车辆通信消息的非连续接收周期。
根据本申请实施例的一个方面，提供了一种车辆通信装置，包括：获取单元，配置为获取针对车辆通信消息的至少两个非连续接收周期值；第一处理单元，配置为从所述至少两个非连续接收周期值中选择一个非连续接收周期值，作为目标非连续接收周期值；并基于所述目标非连续接收周期值接收车辆通信消息；第二处理单元，配置为根据在设定时间内接收到的车辆通信消息的数据量，基于所述至少两个非连续接收周期值，调整车辆通信消息的非连续接收周期。
根据本申请实施例的一个方面，提供了一种车辆通信装置，包括：生成单元，配置为生成指定车辆通信终端的节能参数，所述节能参数中包括所述指定车辆通信终端针对车辆通信消息的至少两个非连续接收周期值；配置单元，配置为将所述节能参数配置给所述指定车辆通信终端，所述节能参数中包括的至少两个非连续接收周期值用于使所述指定车辆通信终端从中选择一个非连续接收周期值来接收车辆通信消息，并用于使所述指定车辆通信终端根据在设定时间内接收到的车辆通信消息的数据量，基于所述至少两个非连续接收周期值调整车辆通信消息的非连续接收周期。
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如上述实施例中所述的车辆通信方法。
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车辆通信方法。
根据本申请实施例的一个方面，提供了一种计算机程序产品或计算机程序，该计算机程序产品或计算机程序包括计算机指令，该计算机指令存储在计算机可读存储介质中。计算机设备的处理器从计算机可读存储介质读取该计算机指令，处理器执行该计算机指令，使得该计算机设备执行上述各种可选实施例中提供的车辆通信方法。
在本申请实施例提供的技术方案中，通过获取针对车辆通信消息的至少两个非连续接收周期值，并基于从该至少两个非连续接收周期值中选择的非连续接收周期值来接收车辆通信消息，使得车辆通信终端可以通过非连续接收的方式来实现节能，降低了车辆通信终端的功耗。而通过根据在设定时间内接收到的车辆通信消息的数据量，基于该至少两个非连续接收周期值调整车辆通信消息的非连续接收周期，使得可以通过自适应调整非连续接收周期的方式，实现车辆通信终端的功耗与所接收的车辆通信消息的数量相匹配，有效降低车辆通信终端在车辆通信消息较少时的功耗，并且可以减少对网络的依赖，提高了车辆通信终端对弱网环境及无网络环境的适应能力。
附图说明
图1示出了可以应用本申请实施例的技术方案的应用场景的示意图；
图2示出了根据本申请的一个实施例的车辆通信方法的流程图；
图3示出了根据本申请的一个实施例的车辆通信方法的流程图；
图4示出了根据本申请的一个实施例的多个非连续接收周期的示意图；
图5示出了根据本申请的一个实施例的配置多个非连续接收周期的流程图；
图6示出了根据本申请的一个实施例的行人终端调整DRC周期的状态机流转示意图；
图7示出了根据本申请的一个实施例的RSU/网络侧设备与P-UE之间的交互过程示意图；
图8示出了根据本申请的一个实施例的车辆通信装置的框图；
图9示出了根据本申请的一个实施例的车辆通信装置的框图；
图10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
需要说明的是：在本文中提及的“多个”是指两个或两个以上。“和/或”描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。字符“/”一般表示前后关联对象是一种“或”的关系。
图1示出了可以应用本申请实施例的技术方案的应用场景的示意图。
在图1所示的应用场景中，用户101携带有行人终端(即P-UE)，用户101可以处于繁忙路段102处，或者可以处于没有V2P消息的居住区域103，或者也可以处于非繁忙路段104处。繁忙路段102处、居住区域103处和非繁忙路段104处的V2P消息数量并不相同，如果行人终端一直保持相同的接收状态，那么会造成行人终端产生不必要的耗电。
在本申请的一个实施例中，可以向行人终端预配置针对车辆通信消息的至少两个非连续接收周期值，或者，在行人终端处于网络覆盖范围内时，由网络侧设备向行人终端配置至少两个非连续接收周期值。然后由行人终端根据实际所处位置的车辆通信消息的情况，自适应地选择相应的非连续接收周期值，以在保证行人终端能够接收到车辆通信消息的前提下，降低行人终端的功耗。
比如，在图1所示的应用场景中，当用户101处于繁忙路段102处时，V2P消息可能比较密集，此时，用户101携带的行人终端可以基于比较小的非连续接收周期来接收V2P消息。
当用户101处于居住区域103处时，可能没有V2P消息或者仅有极少的V2P消息，此时，用户101携带的行人终端可以从预配置或配置的至少两个 非连续接收周期中，选择较大的非连续接收周期来接收V2P消息，从而在没有V2P消息或者有极少V2P消息的场景中有效降低行人终端的功耗。
当用户101处于非繁忙路段104处时，非繁忙路段104处有V2P消息，但是数量并没有在繁忙路段102处多，此时，用户101携带的行人终端可以从预配置或配置的至少两个非连续接收周期中，选择适中的非连续接收周期(可选地，该适中的非连续接收周期大于行人终端在繁忙路段102处所采用的非连续接收周期，并且小于行人终端在居住区域103处所采用的非连续接收周期)来接收V2P消息，从而在保证行人终端能够接收到车辆通信消息的前提下，降低行人终端的功耗。
在本申请的一个实施例中，可以由网络侧设备或者路侧单元控制行人终端是否自适应地选择相应的非连续接收周期值，比如，网络侧设备或者路侧单元可以向指定的行人终端发送通知信令，以通知该行人终端开启节能模式；相应地，该行人终端可以根据实际所处位置的车辆通信消息的情况，自适应地选择相应的非连续接收周期值。或者，行人终端也可以在确定需要开启节能模式时，向网络侧设备或者路侧单元发送请求消息，由网络侧设备或者路侧单元来确定行人终端是否可以开启节能模式，如果网络侧设备或者路侧单元确定行人终端可以开启节能模式，那么可以向行人终端返回对应的响应消息，相应地，行人终端可以根据实际所处位置的车辆通信消息的情况，自适应地选择相应的非连续接收周期值。
可见，本申请实施例的技术方案可以在保证行人终端能够接收到V2P消息的前提下，有效降低行人终端的功耗，并且由于可以预先向行人终端配置至少两个非连续接收周期值，或者在有网络覆盖的情况下向行人终端配置至少两个非连续接收周期值，因此也可以提高行人终端对弱网环境及无网络环境的适应能力。
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车辆通信方法的流程图，该车辆通信方法可以由车辆通信终端来执行，该车辆通信终端比如可以是行人终端，当然也可以是车辆终端等。参照图2所示，该车辆通信方法至少包括步骤S210至步骤S230，详细介绍如下：
在步骤S210中，获取针对车辆通信消息的至少两个非连续接收周期值。
在本申请的一个实施例中，车辆通信终端可以获取针对车辆通信消息预配置的至少两个非连续接收周期值。比如，车辆通信终端可以通过与RSU(Road Side Unit，路侧单元)之间的PC5接口，来获取RSU预配置的至少两个非连续接收周期值。
在本申请的一个实施例中，车辆通信终端也可以在处于网络覆盖范围内时，接收网络侧设备配置的至少两个非连续接收周期值。比如，网络侧设备可以是PCF(Policy Control Function，策略控制功能)实体，PCF实体可以 通过AMF(Access and Mobility Management Function，接入与移动性管理功能)将至少两个非连续接收周期值配置给车辆通信终端。再如，网络侧设备可以是AF(Application Function，应用功能)实体，AF实体可以通过V1接口将至少两个非连续接收周期值配置给车辆通信终端。
在本申请的一个实施例中，车辆通信终端获取到的至少两个非连续接收周期值中除最小非零周期值之外的其它周期值是最小非零周期值的整数倍。比如，如果这至少两个非连续接收周期值中最小非零周期值为T，那么其它周期值是n×T，n为正整数。该种非连续接收周期的配置方式可以使得不管车辆通信终端采用哪个非连续接收周期值，都能够保证接收到车辆通信消息。
在本申请的一个实施例中，为了进一步保证车辆通信终端不管采用哪个非连续接收周期值都能够接收到车辆通信消息，可以使得其它车辆通信终端以这至少两个非连续接收周期值中的最小值来发送车辆通信消息。
在本申请的一个实施例中，车辆通信消息可以是诸如安全类提醒(如碰撞预警)消息、效率类提醒(如拥堵提示)消息以及信息娱乐类提醒(如地图更新、路径规划)消息的交互等。
在步骤S220中，从该至少两个非连续接收周期值中选择一个非连续接收周期值，作为目标非连续接收周期值；并基于该目标非连续接收周期值接收车辆通信消息。
在本申请的一个实施例中，可以从这至少两个非连续接收周期值中选择任意一个非连续接收周期值，作为目标非连续接收周期值，并基于选择的目标非连续接收周期值接收车辆通信消息。或者，也可以从这至少两个非连续接收周期值中选择最小的非连续接收周期值，作为目标非连续接收周期值，这样可以保证车辆通信终端能够尽可能接收多的车辆通信消息。或者，也可以从这至少两个非连续接收周期值中选择最大的非连续接收周期值，作为目标非连续接收周期值，这样可以降低车辆通信终端所需消耗的通信能耗。
继续参照图2所示，在步骤S230中，根据在设定时间内接收到的车辆通信消息的数量，基于至少两个非连续接收周期值，调整车辆通信消息的非连续接收周期。
在本申请的一个实施例中，若在设定时间内接收到的车辆通信消息的数据量小于或等于第一阈值，则基于至少两个非连续接收周期值增大车辆通信消息的非连续接收周期。
在本申请的一个实施例中，增大车辆通信消息的非连续接收周期的过程具体可以是：在基于目标非连续接收周期值接收车辆通信消息的情况下，若在设定时间内接收到的车辆通信消息的数据量小于或等于第一阈值，则基于至少两个非连续接收周期值增大车辆通信终端的非连续接收周期，直至车辆通信终端的非连续接收周期达到至少两个非连续接收周期值中的最大值。比如，车辆通信终端在基于非连续接收周期1接收车辆通信消息时，如果在设 定时间内接收到的车辆通信消息的数据量小于或等于第一阈值，那么可以采用非连续接收周期2(非连续接收周期2大于非连续接收周期1)来接收车辆通信消息；当车辆通信终端在基于非连续接收周期2接收车辆通信消息时，如果在设定时间内接收到的车辆通信消息的数据量仍小于或等于第一阈值，那么可以采用非连续接收周期3(非连续接收周期3大于非连续接收周期2)来接收车辆通信消息，以此类推，直到车辆通信终端的非连续接收周期达到最大值为止。
应理解，非连续接收周期值越大，车辆通信消息的接收频率越低，相应地所需耗费的通信能耗越少。
在本申请的一个实施例中，在基于至少两个非连续接收周期值增大车辆通信终端的非连续接收周期时，可以从这至少两个非连续接收周期值中选择大于车辆通信终端正在使用的非连续接收周期值(即目标非连续接收周期值)、且与车辆通信终端正在使用的非连续接收周期值最接近的非连续接收周期值。比如，这至少两个非连续接收周期从小到大的排列顺序依次是非连续接收周期1、非连续接收周期2、非连续接收周期3、非连续接收周期4，那么如果车辆通信终端正在使用非连续接收周期1，那么增大时优选采用非连续接收周期2；如果车辆通信终端正在使用非连续接收周期2，那么增大时优选采用非连续接收周期3。当然，在本申请的其它实施例中，如果车辆通信终端正在使用非连续接收周期1，那么增大时也可以采用非连续接收周期3或非连续接收周期4。
在本申请的一个实施例中，如果在单位时间内接收到的车辆通信消息的数据量小于或等于第二阈值，且持续时间达到设定时间，则确定在设定时间内接收到的车辆通信消息的数据量小于或等于第一阈值，第二阈值小于或等于第一阈值。可选地，第一阈值与第二阈值可以是大于或等于0的值。
在本申请的一个实施例中，若在设定时间内接收到的车辆通信消息的数据量大于或等于第三阈值，则基于至少两个非连续接收周期值减小车辆通信消息的非连续接收周期。
在本申请的一个实施例中，减小车辆通信消息的非连续接收周期的过程具体可以是：在基于目标非连续接收周期值接收车辆通信消息的情况下，若在设定时间内接收到的车辆通信消息的数据量大于或等于第三阈值，则基于至少两个非连续接收周期值减小车辆通信终端的非连续接收周期，直至车辆通信终端的非连续接收周期达到至少两个非连续接收周期值中的最小值。比如，车辆通信终端在基于非连续接收周期4接收车辆通信消息时，如果在设定时间内接收到的车辆通信消息的数据量大于或等于第三阈值，那么可以采用非连续接收周期3(非连续接收周期3小于非连续接收周期4)来接收车辆通信消息；当车辆通信终端在基于非连续接收周期3接收车辆通信消息时，如果在设定时间内接收到的车辆通信消息的数据量仍大于或等于第三阈值， 那么可以采用非连续接收周期2(非连续接收周期2小于非连续接收周期3)来接收车辆通信消息，以此类推，直到车辆通信终端的非连续接收周期达到最小值为止。
应理解，非连续接收周期值越小，车辆通信消息的接收频率越高，相应地所需耗费的通信能耗越大。
在本申请的一个实施例中，在基于至少两个非连续接收周期值减小车辆通信终端的非连续接收周期时，可以从这至少两个非连续接收周期值中选择小于车辆通信终端正在使用的非连续接收周期值(即目标非连续接收周期值)、且与车辆通信终端正在使用的非连续接收周期值最接近的非连续接收周期值。比如，这至少两个非连续接收周期从小到大的排列顺序依次是非连续接收周期1、非连续接收周期2、非连续接收周期3、非连续接收周期4，那么如果车辆通信终端正在使用非连续接收周期4，那么减小时优选采用非连续接收周期3；如果车辆通信终端正在使用非连续接收周期3，那么减小时优选采用非连续接收周期2。当然，在本申请的其它实施例中，如果车辆通信终端正在使用非连续接收周期4，那么增大时也可以采用非连续接收周期2或非连续接收周期1。
在本申请的一个实施例中，如果在单位时间内接收到的车辆通信消息的数据量大于或等于第四阈值，且持续时间达到设定时间，则确定在设定时间内接收到的车辆通信消息的数据量大于或等于第三阈值，第四阈值大于或等于第三阈值。可选地，第三阈值与第四阈值可以是大于或等于0的值。
在本申请的一个实施例中，当车辆通信终端基于至少两个非连续接收周期值中的任意一个非连续接收周期值接收车辆通信消息的过程中，若接收到车辆通信消息，则将车辆通信终端的非连续接收周期值调整为至少两个非连续接收周期值中的最小值。该实施例的技术方案使得在车辆通信终端接收到车辆通信消息之后，可以从这至少两个非连续接收周期值中选择最小的非连续接收周期值，进而可以保证车辆通信终端能够尽可能接收多的车辆通信消息。
需要说明的是，前述实施例中所涉及的车辆通信消息的数据量既可以是车辆通信消息的条数，也可以是车辆通信消息的字节数。如果车辆通信消息的数据量是车辆通信消息的条数，那么前述实施例中的第一阈值、第二阈值、第三阈值和第四阈值均是用于表示数量的值；如果车辆通信消息的数据量是车辆通信消息的字节数，那么前述实施例中的第一阈值、第二阈值、第三阈值和第四阈值均是用于表示字节量的值。
在本申请的一个实施例中，车辆通信终端是否采用图2所示实施例的技术方案来进行节能，可以是由路侧单元或者网络侧设备来控制的，比如，车辆通信终端可以接收路侧单元或网络侧设备发送的通知信令，该通知信令用于通知指定的车辆通信终端是否开启节能模式；如果该通知信令通知车辆通 信终端开启节能模式，则车辆通信终端可以采取图2所示实施例的技术方案来进行节能。
在本申请的一个实施例中，车辆通信终端也可以主动请求来开启节能模式，比如，如果车辆通信终端确定当前功耗比较大或者当前电量较低时，可以发起请求来开启节能模式。具体地，车辆通信终端在确定需要进入节能模式时，向路侧单元或网络侧设备发送开启节能模式的请求消息，并接收路侧单元或网络侧设备针对请求消息的响应消息；如果该响应消息指示路侧单元或网络侧设备允许请求消息的发送方开启节能模式，则车辆通信终端可以采取图2所示实施例的技术方案来进行节能。
图2是从车辆通信终端的角度对本申请实施例的车辆通信方法进行阐述，以下结合图3从网络侧设备或路侧单元的角度对本申请实施例的技术方案进行说明：
图3示出了根据本申请的一个实施例的车辆通信方法的流程图，该车辆通信方法可以由网络侧设备或路侧单元来执行。参照图3所示，该车辆通信方法至少包括步骤S310至步骤S320，详细介绍如下：
在步骤S310中，生成指定车辆通信终端的节能参数，该节能参数包括指定车辆通信终端针对车辆通信消息的至少两个非连续接收周期值。
在本申请的一个实施例中，这至少两个非连续接收周期值中除最小非零周期值之外的其它周期值是最小非零周期值的整数倍。比如，如果这至少两个非连续接收周期值中最小非零周期值为T，那么其它周期值是n×T，n为正整数。该实施例的技术方案使得不管车辆通信终端采用哪个非连续接收周期值，都能够保证接收到车辆通信消息。
在本申请的一个实施例中，前述的节能参数中还可以包括车辆通信终端开启节能模式的时间信息，该时间信息用于指示车辆通信终端在相应的时间点采用这至少两个非连续接收周期值来接收车辆通信消息。
在本申请的一个实施例中，前述的节能参数中还可以包括车辆通信终端开启节能模式的区域信息，该区域信息用于指示车辆通信终端在相应的位置采用这至少两个非连续接收周期值来接收车辆通信消息。
在步骤S320中，将该节能参数配置给指定车辆通信终端，该节能参数中包括的至少两个非连续接收周期值用于使指定车辆通信终端从中选择一个非连续接收周期值来接收车辆通信消息，并用于使指定车辆通信终端根据在设定时间内接收到的车辆通信消息的数据量，基于至少两个非连续接收周期值调整车辆通信消息的非连续接收周期。
在本申请的一个实施例中，如果图3所示的车辆通信方法由路侧单元执行，那么路侧单元可以通过PC5接口将该节能参数配置给指定车辆通信终端。如果图3所示的车辆通信方法由网络侧设备执行，那么如果网络侧设备是PCF实体，则PCF实体可以通过AMF将该节能参数配置给指定车辆通信终端， 如果网络侧设备是AF实体，那么AF实体可以通过V1接口将该节能参数配置给指定车辆通信终端。
在本申请的一个实施例中，网络侧设备或路侧单元可以向指定车辆通信终端发送通知信令，以通知指定车辆通信终端是否开启节能模式，如果该通知信令通知指定车辆通信终端开启节能模式，则指定车辆通信终端可以采取图2所示实施例的技术方案来进行节能。
在本申请的一个实施例中，如果网络侧设备或路侧单元接收到指定车辆通信终端发送的开启节能模式的请求消息，则可以向指定车辆通信终端反馈针对请求消息的响应消息，该响应消息用于指示是否允许指定车辆通信终端开启节能模式。如果该响应消息指示路侧单元或网络侧设备允许请求消息的发送方开启节能模式，则指定车辆通信终端可以采取图2所示实施例的技术方案来进行节能。可选地，网络侧设备或路侧单元可以根据网络侧或路侧的配置信息及能力来决定是否允许车辆通信终端开启节能模式。
以下结合图4至图7对本申请实施例的技术方案的实现细节进行详细阐述：
本申请实施例的技术方案主要是使得车辆通信终端(尤其是行人终端P-UE，以下以P-UE为例进行说明)，自适应动态调整对V2P消息的DRX(Discontinuous Reception，非连续接收)周期，进而实现P-UE的节能。具体地，P-UE可以与网络侧设备(或RSU)协商多个可能的DRX周期值，或者P-UE上可以预配置多个DRX周期值，进而可以在弱网或无网络覆盖的场景下，通过这多个DRX周期值来自适应调整接收车辆通信消息所使用的DRX周期。可选地，为了保证P-UE不管采用哪个DRX周期都能获取到V2P消息，则可以如图4所示，将这多个DRX周期中的DRX周期值均设置为最小DRX周期值的整数倍，比如，周期2是周期1的2倍，周期3是周期1的4倍。需要说明的是，图4中所示的周期数量与各周期之间的关系仅为示意。
在本申请的一个实施例中，如图5所示，P-UE可以在处于网络覆盖范围内时，从PCF(通过NAS(Non-Access Stratum，非接入层)级连接经过AMF中转)获取多个DRX周期等节能配置。或者，P-UE可以从AF(通过V1接口)获取多个DRX周期等的节能配置。
在本申请的一个实施例中，P-UE也可以通过预配置的方式来获取多个DRX周期等节能配置。比如，P-UE通过PC5进行通信的频段并不是Uu接口连接的频段，也就是说，基于Uu接口的连接可能不存在；或者基于Uu接口的连接存在，但是不一定能够保持长连接持续给PC5进行资源配置；或者基于Uu接口的连接存在，并且可以为PC5配置资源，但策略上不希望Uu接口频繁执行这样的配置以实现P-UE的节能。
需要说明的是，在预配置场景下，预配置服务器可以配置特定区域内的所有P-UE，从而实现对P-UE节能机制的协调。
在本申请的一个实施例中，由于为P-UE配置了多个DRX周期值，因此P-UE可以自适应调节DRX周期，在自适应调节DRX周期的过程中，P-UE可以在这多个DRX周期之间进行选择，而无需与网络侧设备或路侧单元重新协商或重新获取配置。当然，如果需要重新配置多个DRX周期值，则需要进入连接态。
在本申请的一个实施例中，需要节能的P-UE在接收到数据之后，可以采用这多个DRX周期中的起始周期(该起始周期可以是这多个DRX周期中的最小周期)，然后等待继续接收数据；如果在特定时间内接收不到数据或接收到的数据很少，则自动加大DRX周期，直到P-UE的DRX周期达到这多个DRX周期中的最大DRX值。
具体而言，当P-UE获取到网络配置或者预配置的多个DRX周期值后，考虑到P-UE有可能会位于室内没有V2P消息接收，或者所处位置的V2P消息很少，因此，在没有V2P消息接收或者V2P消息的接收频度非常低的情况下，P-UE可以将DRX周期调大。如图6所示，假设DRX周期由小到大的顺序依次是：DRX周期0、DRX周期1、DRX周期2、……、DRX周期m，那么P-UE在初始阶段可以工作在初始DRX周期0上，当P-UE工作在DRX周期0上时，如果发现数据量变得稀疏(如每秒接收到的V2P消息数量减少到特定门限值以下或者未接收到V2P消息)且满足一定时间t后，可以将DRX周期调整为DRX周期1；如果继续满足数据量稀疏条件(即每秒接收到的V2P消息数量减少到特定门限值以下或者未接收到V2P消息)并持续时间t后，将DRX周期调整为DRX周期2；依次类推，如果持续满足数据量稀疏条件且持续时间t，则P-UE的DRX周期会增大到DRX周期m。其中，不管P-UE工作在哪个DRX周期上，如果收到了V2P消息，则都将DRX周期重置为DRX周期0，以保证对V2P消息的有效接收。
需要说明的是，向P-UE配置的多个DRX周期值中的最小值，如图6中所示的周期0，也可以是DRX周期为0的情况，即P-UE持续接收数据，在这种情况下，DRX周期1应是非零的一个DRX周期。
在本申请的一个实施例中，在向需要节能的P-UE配置了DRX周期的情况下，P-UE的数据接收仍然需要得以保证，因此路侧单元或者其它车辆通信终端(比如车辆终端)在进行数据发送时，可以按照这多个DRX周期中的最小DRX周期来发送数据，这样可以保证P-UE不管采用哪个DXR周期都可以接收到V2P消息。同时，路侧单元或者其它车辆通信终端发送消息的时机还可以包括所有P-UE的接收时机，这样可以保证P-UE能够不漏掉消息，因此在本申请的实施例中，可以让所有的车辆通信终端(包括车辆终端和行人终端等)实现同步，如果路侧单元参与了V2P消息的发送，那么路侧单元也需要与V2P终端实现同步。这样设计的本质是以车辆终端及路侧单元的功耗换取P-UE的节能，在实际使用中，由于路侧单元会有持续供电，并且车辆 终端一般都有车载电源供电，能耗并不是问题，而P-UE一般都是手机或者手环之类的物联网设备，能耗受限，因此本申请实施例的技术方案具有显著的现实意义。
在本申请的一个实施例中，RSU或者网络侧设备(如5G网络节点)可以通过信令方式通知P-UE打开或者关闭本申请实施例中的节能模式，这是因为可否打开这种节能模式，与网络侧能力和部署配置相关。同时，RSU或网络侧设备的显式配置信息也可以使得其它车辆通信终端知悉P-UE是否启动了这个节能模式。
上述的RSU或者网络侧设备与P-UE之间的交互流程可以如图7所示，包括如下步骤：
步骤S701，P-UE向RSU/网络侧设备请求开启节能模式。
需要说明的是：步骤S701为P-UE主动请求开启节能模式的情况下所执行的步骤，但是该步骤为可选步骤，如果是由RSU/网络侧设备直接通知P-UE开启节能模式，那么无需执行步骤S701。
步骤S702a，RSU/网络侧设备向P-UE配置节能参数，该节能参数中包括多个DRX周期。可选地，该节能参数中还可以包括P-UE开启节能模式的时间信息、开启节能模式的区域信息等。该时间信息用于指示P-UE在相应的时间点开启节能模式，该区域信息用于指示P-UE在相应的位置开启节能模式。
步骤S702b，RSU/网络侧设备通知P-UE开启节能模式。当RSU/网络侧设备通知P-UE开启节能模式之后，P-UE可以采用配置的节能参数按照上述实施例中所述的自适应调整DRX周期的方式来接收V2P消息。
需要说明的是，步骤S702a与步骤S702b之间并没有绝对的执行顺序之分，换句话说，既可以按照图7所示实施例的技术方案先执行步骤S702a，再执行步骤S702b；也可以先执行步骤S702b，再执行步骤S702a；或者也可以同时执行步骤S702a和步骤S702b。
此外，在本申请的一些实施例中，如果是由P-UE主动请求开启节能模式的情况，那么可以在P-UE向RSU/网络侧设备请求开启节能模式之前，执行步骤S702a，以将节能参数配置给P-UE。
步骤S703，当需要结束节能模式时，RSU/网络侧设备通知P-UE结束节能模式。
需要说明的是：既可以由RSU/网络侧设备确定是否需要结束节能模式，也可以由P-UE确定是否需要结束节能模式。如果是由P-UE确定是否需要结束节能模式，那么在P-UE确定结束节能模式时，可以由P-UE向RSU/网络侧设备发送请求结束节能模式的消息，然后RSU/网络侧设备确定允许P-UE结束节能模式时，通知P-UE结束节能模式。
本申请上述实施例的技术方案使得车辆通信终端可以通过非连续接收的 方式来实现节能，降低了车辆通信终端的功耗。并且使得车辆通信终端可以通过配置的多个非连续接收周期值，基于自适应调整非连续接收周期的方式，使得车辆通信终端的功耗与当前所接收的车辆通信消息量相匹配，有效降低车辆通信终端在车辆通信消息较少时的功耗，同时可以减少对网络的依赖，提高了车辆通信终端对弱网环境及无网络环境的适应能力。
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车辆通信方法。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车辆通信方法的实施例。
图8示出了根据本申请的一个实施例的车辆通信装置的框图，该车辆通信装置可以设置在车辆通信终端内，该车辆通信终端比如可以是行人终端，当然也可以是车辆终端等。
参照图8所示，根据本申请的一个实施例的车辆通信装置800，包括：获取单元802、第一处理单元804和第二处理单元806。
其中，获取单元802配置为获取针对车辆通信消息的至少两个非连续接收周期值；第一处理单元804配置为从所述至少两个非连续接收周期值中选择一个非连续接收周期值，作为目标非连续接收周期值；并基于所述目标非连续接收周期值接收车辆通信消息；第二处理单元806配置为根据在设定时间内接收到的车辆通信消息的数据量，基于所述至少两个非连续接收周期值，调整车辆通信消息的非连续接收周期。
在本申请的一些实施例中，基于前述方案，第一处理单元804配置为：接收路侧单元或网络侧设备发送的通知信令，所述通知信令用于通知所述车辆通信终端是否开启节能模式；若所述通知信令通知车辆通信终端开启节能模式，则基于目标非连续接收周期值接收车辆通信消息。
在本申请的一些实施例中，基于前述方案，第一处理单元804配置为：若确定需要进入节能模式，则向路侧单元或网络侧设备发送开启节能模式的请求消息，并接收所述路侧单元或网络侧设备针对所述请求消息反馈的响应消息；若所述响应消息指示所述路侧单元或网络侧设备允许所述请求消息的发送方开启节能模式，则基于目标非连续接收周期值接收车辆通信消息。
在本申请的一些实施例中，基于前述方案，所述获取单元802配置为：获取针对车辆通信消息预配置的至少两个非连续接收周期值；或者，在车辆通信终端处于网络覆盖范围内时，接收网络侧设备配置的所述至少两个非连续接收周期值。
在本申请的一些实施例中，基于前述方案，所述获取单元802配置为：接收策略控制功能实体配置的所述至少两个非连续接收周期值；或者，接收应用功能实体配置的所述至少两个非连续接收周期值。
在本申请的一些实施例中，基于前述方案，第一处理单元804配置为：从所述至少两个非连续接收周期值中选择任意一个非连续接收周期值，作为 所述目标非连续接收周期值；或者从所述至少两个非连续接收周期值中选择最小的非连续接收周期值，作为所述目标非连续接收周期值；或者，从所述至少两个非连续接收周期值中选择最大的非连续接收周期值，作为所述目标非连续接收周期值。
在本申请的一些实施例中，基于前述方案，第二处理单元806配置为：
若在所述设定时间内接收到的车辆通信消息的数据量小于或等于第一阈值，则基于所述至少两个非连续接收周期值，增大车辆通信消息的非连续接收周期。
在本申请的一些实施例中，基于前述方案，第二处理单元806具体配置为：
在所述目标非连续接收周期值为任意一个非连续接收周期值的情况下，若在设定时间内接收到的车辆通信消息的数据量小于所述第一阈值，则基于所述至少两个非连续接收周期值增大所述车辆通信终端的非连续接收周期，直至车辆通信终端的非连续接收周期达到所述至少两个非连续接收周期值中的最大值。
在本申请的一些实施例中，基于前述方案，第二处理单元806配置为：从所述至少两个非连续接收周期值中，选择大于所述目标非连续接收周期值、且与所述目标非连续接收周期值最接近的非连续接收周期值。
在本申请的一些实施例中，基于前述方案，第二处理单元806还配置为：若在单位时间内接收到的车辆通信消息的数据量小于或等于第二阈值，且持续时间达到所述设定时间，则确定在所述设定时间内接收到的车辆通信消息的数据量小于或等于所述第一阈值，所述第二阈值小于或等于所述第一阈值。
在本申请的一些实施例中，基于前述方案，第二处理单元806配置为：
若在所述设定时间内接收到的车辆通信消息的数据量大于或等于第三阈值，则基于所述至少两个非连续接收周期值，减小车辆通信消息的非连续接收周期。
在本申请的一些实施例中，基于前述方案，第二处理单元806还配置为：在基于所述至少两个非连续接收周期值中的任意一个非连续接收周期值接收车辆通信消息的过程中，若接收到车辆通信消息，则将车辆通信终端的非连续接收周期值调整为所述至少两个非连续接收周期值中的最小值。在本申请的一些实施例中，基于前述方案，所述至少两个非连续接收周期值中除最小非零周期值之外的其它周期值是所述最小非零周期值的整数倍。
在本申请的一些实施例中，基于前述方案，所述车辆通信装置800设置在行人终端内，所述行人终端接收到的车辆通信消息的发送周期为所述至少两个非连续接收周期值中的最小值。
图9示出了根据本申请的一个实施例的车辆通信装置的框图，该车辆通信装置可以设置在网络侧设备或路侧单元内。
参照图9所示，根据本申请的一个实施例的车辆通信装置900，包括：生成单元902和配置单元904。
其中，生成单元902配置为生成指定车辆通信终端的节能参数，所述节能参数中包括所述指定车辆通信终端针对车辆通信消息的至少两个非连续接收周期值；配置单元904配置为将所述节能参数配置给所述指定车辆通信终端，所述节能参数中包括的至少两个非连续接收周期值用于使所述指定车辆通信终端从中选择一个非连续接收周期值来接收车辆通信消息，并用于使所述指定车辆通信终端根据在设定时间内接收到的车辆通信消息的数据量，基于所述至少两个非连续接收周期值调整车辆通信消息的非连续接收周期。
在本申请的一些实施例中，基于前述方案，所述的车辆通信装置900还包括：第三处理单元，配置为：向所述指定车辆通信终端发送通知信令，所述通知信令用于通知所述指定车辆通信终端是否开启节能模式；或者，若接收到所述指定车辆通信终端发送的开启节能模式的请求消息，则向所述指定车辆通信终端反馈针对所述请求消息的响应消息，所述响应消息用于指示是否允许所述指定车辆通信终端开启节能模式。
图10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10示出的电子设备的计算机系统1000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10所示，计算机系统1000包括中央处理单元(Central Processing Unit，CPU)1001，其可以根据存储在只读存储器(Read-Only Memory，ROM)1002中的程序或者从存储部分1008加载到随机访问存储器(Random Access Memory，RAM)1003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 1003中，还存储有系统操作所需的各种程序和数据。CPU 1001、ROM 1002以及RAM 1003通过总线1004彼此相连。输入/输出(Input/Output，I/O)接口1005也连接至总线1004。
以下部件连接至I/O接口1005：包括键盘、鼠标等的输入部分1006；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1007；包括硬盘等的存储部分1008；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1009。通信部分1009经由诸如因特网的网络执行通信处理。驱动器1010也根据需要连接至I/O接口1005。可拆卸介质1011，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1010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1008。
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1009从网络上被下载和安装，和/或从可拆卸介质1011被安装。在该计算机程序被中央处理单元(CPU)1001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。

Claims (21)

  1. 一种车辆通信方法，由车辆通信终端执行，包括：
    获取针对车辆通信消息的至少两个非连续接收周期值；
    从所述至少两个非连续接收周期值中选择一个非连续接收周期值，作为目标非连续接收周期值；并基于所述目标非连续接收周期值接收车辆通信消息；
    根据在设定时间内接收到的车辆通信消息的数据量，基于所述至少两个非连续接收周期值，调整车辆通信消息的非连续接收周期。
  2. 根据权利要求1所述的车辆通信方法，在所述基于所述目标非连续接收周期值接收车辆通信消息之前，所述车辆通信方法还包括：
    接收路侧单元或网络侧设备发送的通知信令，所述通知信令用于通知所述车辆通信终端是否开启节能模式；
    则所述基于所述目标非连续接收周期值接收车辆通信消息，包括：
    若所述通知信令通知所述车辆通信终端开启节能模式，则基于所述目标非连续接收周期值接收车辆通信消息。
  3. 根据权利要求1所述的车辆通信方法，在所述基于所述目标非连续接收周期值接收车辆通信消息之前，所述车辆通信方法还包括：
    若确定需要进入节能模式，则向路侧单元或网络侧设备发送开启节能模式的请求消息，并接收所述路侧单元或所述网络侧设备针对所述请求消息反馈的响应消息；
    则所述基于所述目标非连续接收周期值接收车辆通信消息，包括：
    若所述响应消息指示所述路侧单元或所述网络侧设备允许所述请求消息的发送方开启节能模式，则基于所述目标非连续接收周期值接收车辆通信消息。
  4. 根据权利要求1所述的车辆通信方法，所述获取针对车辆通信消息的至少两个非连续接收周期值，包括：
    获取针对车辆通信消息预配置的至少两个非连续接收周期值；
    或者，在车辆通信终端处于网络覆盖范围内时，接收网络侧设备配置的所述至少两个非连续接收周期值。
  5. 根据权利要求4所述的车辆通信方法，所述接收网络侧设备配置的所述至少两个非连续接收周期值，包括：
    接收策略控制功能实体配置的所述至少两个非连续接收周期值；
    或者，接收应用功能实体配置的所述至少两个非连续接收周期值。
  6. 根据权利要求1所述的车辆通信方法，所述从所述至少两个非连续接收周期值中选择一个非连续接收周期值，作为目标非连续接收周期值，包括：
    从所述至少两个非连续接收周期值中选择任意一个非连续接收周期值，作为所述目标非连续接收周期值；
    或者，从所述至少两个非连续接收周期值中选择最小的非连续接收周期值，作为所述目标非连续接收周期值；
    或者，从所述至少两个非连续接收周期值中选择最大的非连续接收周期值，作为所述目标非连续接收周期值。
  7. 根据权利要求1所述的车辆通信方法，所述根据在设定时间内接收到的车辆通信消息的数据量，基于所述至少两个非连续接收周期值，调整车辆通信消息的非连续接收周期，包括：
    若在所述设定时间内接收到的车辆通信消息的数据量小于或等于第一阈值，则基于所述至少两个非连续接收周期值，增大车辆通信消息的非连续接收周期。
  8. 根据权利要求7所述的车辆通信方法，若在所述设定时间内接收到的车辆通信消息的数据量小于或等于第一阈值，则基于所述至少两个非连续接收周期值，增大车辆通信消息的非连续接收周期，包括：
    在所述目标非连续接收周期值为任意一个非连续接收周期值的情况下，若在所述设定时间内接收到的车辆通信消息的数据量小于或等于所述第一阈值，则基于所述至少两个非连续接收周期值增大所述车辆通信终端的非连续接收周期，直至所述车辆通信终端的非连续接收周期达到所述至少两个非连续接收周期值中的最大值。
  9. 根据权利要求8所述的车辆通信方法，基于所述至少两个非连续接收周期值增大所述车辆通信终端的非连续接收周期，包括：
    从所述至少两个非连续接收周期值中，选择大于所述目标非连续接收周期值、且与所述目标非连续接收周期值最接近的非连续接收周期值。
  10. 根据权利要求7至9中任一项所述的车辆通信方法，所述车辆通信方法还包括：
    若在单位时间内接收到的车辆通信消息的数据量小于或等于第二阈值，且持续时间达到所述设定时间，则确定在所述设定时间内接收到的车辆通信消息的数据量小于或等于所述第一阈值，所述第二阈值小于或等于所述第一阈值。
  11. 根据权利要求1所述的车辆通信方法，所述根据设定时间内接收到的车辆通信消息的数据量，基于所述至少两个非连续接收周期值，调整车辆通信消息的非连续接收周期，包括：
    若在所述设定时间内接收到的车辆通信消息的数据量大于或等于第三阈值，则基于所述至少两个非连续接收周期值，减小车辆通信消息的非连续接收周期。
  12. 根据权利要求7或11所述的车辆通信方法，所述车辆通信方法还包括：
    在基于所述至少两个非连续接收周期值中的任意一个非连续接收周期值 接收车辆通信消息的过程中，若接收到车辆通信消息，则将车辆通信终端的非连续接收周期值调整为所述至少两个非连续接收周期值中的最小值。
  13. 根据权利要求1至12中任一项所述的车辆通信方法，所述至少两个非连续接收周期值中除最小非零周期值之外的其它周期值是所述最小非零周期值的整数倍。
  14. 根据权利要求1至12中任一项所述的车辆通信方法，所述车辆通信终端为行人终端，所述行人终端接收到的车辆通信消息的发送周期为所述至少两个非连续接收周期值中的最小值。
  15. 一种车辆通信方法，由网络侧设备或路侧单元执行，包括：
    生成指定车辆通信终端的节能参数，所述节能参数包括所述指定车辆通信终端针对车辆通信消息的至少两个非连续接收周期值；
    将所述节能参数配置给所述指定车辆通信终端，所述节能参数中包括的至少两个非连续接收周期值用于使所述指定车辆通信终端从中选择一个非连续接收周期值来接收车辆通信消息，并用于使所述指定车辆通信终端根据在设定时间内接收到的车辆通信消息的数据量，基于所述至少两个非连续接收周期值调整车辆通信消息的非连续接收周期。
  16. 根据权利要求15所述的车辆通信方法，其特征在于，还包括：
    向所述指定车辆通信终端发送通知信令，所述通知信令用于通知所述指定车辆通信终端是否开启节能模式；
    或者，若接收到所述指定车辆通信终端发送的开启节能模式的请求消息，则向所述指定车辆通信终端反馈针对所述请求消息的响应消息，所述响应消息用于指示是否允许所述指定车辆通信终端开启节能模式。
  17. 一种车辆通信装置，包括：
    获取单元，配置为获取针对车辆通信消息的至少两个非连续接收周期值；
    第一处理单元，配置为从所述至少两个非连续接收周期值中选择一个非连续接收周期值，作为目标非连续接收周期值；并基于所述目标非连续接收周期值接收车辆通信消息；
    第二处理单元，配置为根据在设定时间内接收到的车辆通信消息的数据量，基于所述至少两个非连续接收周期值，调整车辆通信消息的非连续接收周期。
  18. 一种车辆通信装置，包括：
    生成单元，配置为生成指定车辆通信终端的节能参数，所述节能参数中包括所述指定车辆通信终端针对车辆通信消息的至少两个非连续接收周期值；
    配置单元，配置为将所述节能参数配置给所述指定车辆通信终端，所述节能参数中包括的至少两个非连续接收周期值用于使所述指定车辆通信终端从中选择一个非连续接收周期值来接收车辆通信消息，并用于使所述指定车 辆通信终端根据在设定时间内接收到的车辆通信消息的数据量，基于所述至少两个非连续接收周期值调整车辆通信消息的非连续接收周期。
  19. 一种计算机可读介质，其上存储有计算机程序，其特征在于，所述计算机程序被处理器执行时实现如权利要求1至14中任一项所述的车辆通信方法，或实现如权利要求15或16所述的车辆通信方法。
  20. 一种电子设备，其特征在于，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14中任一项所述的车辆通信方法，或实现如权利要求15或16所述的车辆通信方法。
  21. 一种计算机程序产品，包括指令，当其在计算机上运行时，使得计算机执行如权利要求1至14中任一项所述的车辆通信方法，或执行如权利要求15或16所述的车辆通信方法。
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