WO2022037384A1 - C-v2x的低功耗方法、电子设备及芯片*** - Google Patents

C-v2x的低功耗方法、电子设备及芯片*** Download PDF

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Publication number
WO2022037384A1
WO2022037384A1 PCT/CN2021/109299 CN2021109299W WO2022037384A1 WO 2022037384 A1 WO2022037384 A1 WO 2022037384A1 CN 2021109299 W CN2021109299 W CN 2021109299W WO 2022037384 A1 WO2022037384 A1 WO 2022037384A1
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Prior art keywords
electronic device
data interaction
information
function
module
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PCT/CN2021/109299
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English (en)
French (fr)
Inventor
余小勇
杨海泉
刘永祥
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华为技术有限公司
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Priority to EP21857479.6A priority Critical patent/EP4187934A4/en
Priority to US18/041,970 priority patent/US20230319723A1/en
Publication of WO2022037384A1 publication Critical patent/WO2022037384A1/zh

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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
    • H04W52/0261—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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
    • 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
    • H04W52/0254—Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity detecting a user operation or a tactile contact or a motion of the device
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/14—Session management
    • H04L67/141—Setup of application sessions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/14—Session management
    • H04L67/143—Termination or inactivation of sessions, e.g. event-controlled end of session
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/34—Network arrangements or protocols for supporting network services or applications involving the movement of software or configuration parameters 
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/52—Network services specially adapted for the location of the user terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/025—Services making use of location information using location based information parameters
    • 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
    • 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
    • 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]
    • H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
    • 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 terminals, and in particular, to a C-V2X low power consumption method, electronic device and chip system.
  • ETC Electronic Toll Collection
  • C-V2X Cellular Vehicle-To-everything
  • the existing C-V2X module When the existing C-V2X module is applied to ETC, it is necessary to keep the C-V2X module in a working state to send and receive C-V2X information. Since the C-V2X module is set in the on-board unit (OBU), the C-V2X module is always in the working state, which will increase the power consumption of the OBU and affect the battery life of the OBU.
  • OBU on-board unit
  • Embodiments of the present application provide a C-V2X low power consumption method, electronic device, and chip system. It can improve the problem that the power consumption of the OBU increases because the C-V2X module is always in the working state, which affects the battery life of the OBU.
  • an embodiment of the present application provides a C-V2X low power consumption method, which is applied to a first electronic device.
  • the first electronic device supports the C-V2X function, and the method includes:
  • the C-V2X function of the first electronic device is activated.
  • the first electronic device performs data interaction with the second electronic device through the C-V2X protocol.
  • the C-V2X function of the first electronic device is deactivated.
  • the first electronic device may be an OBU.
  • OBU is a terminal device with C-V2X function, such as On Board Equipment (OBE), smart phone with C-V2X function, tablet computer, wearable device, customized terminal, etc.
  • the second electronic device may be a roadside unit (Road Side Unit, RSU).
  • RSU Road Side Unit
  • the C-V2X function can be implemented by a C-V2X chip, and the C-V2X chip can be integrated into a baseband processor (Baseband Processor, BP) in the first electronic device.
  • Baseband Processor Baseband Processor
  • Activating the C-V2X function of the first electronic device means that the C-V2X chip in the BP starts to work, that is, the C-V2X chip starts to receive and transmit data.
  • deactivating the C-V2X function of the first electronic device refers to stopping the C-V2X chip in the BP from working, that is, the C-V2X chip no longer receives and sends data.
  • the C-V2X function of the first electronic device by activating the C-V2X function of the first electronic device when it is determined that the first electronic device is at the target location. Then, the first electronic device performs data interaction with the second electronic device through the C-V2X protocol. Finally, when it is determined that the data interaction between the first electronic device and the second electronic device is completed, the C-V2X function of the first electronic device is deactivated. Since the C-V2X function of the first electronic device is only enabled at the target location, and after data interaction is completed, the C-V2X function is deactivated, which provides an effective low power consumption mode for the C-V2X function. The C-V2X function in the first electronic device is enabled only when data interaction is required, which effectively reduces the power consumption of the first electronic device and enhances the battery life.
  • the first electronic device includes a control assembly.
  • Determining that the first electronic device is at the target position includes: if the control component receives a first control operation, determining that the first electronic device is at the target position, wherein the first control operation is used to instruct to activate the C-V2X function of the first electronic device.
  • the first control operation may be an operation of manually enabling the C-V2X function, such as clicking on a preset area on the first electronic device, or pressing a preset C-V2X function enable button, and the like. Through the first control operation, the first electronic device can be manually instructed to be at the target position, and the low power consumption control can be performed more accurately.
  • the first electronic device includes a positioning assembly.
  • Determining that the first electronic device is at the target location includes: if the positioning component receives geographic location information within a preset geographic location range, determining that the first electronic device is at the target location.
  • the positioning component may be a Beidou positioning module or a Global Positioning System (Global Positioning System, GPS) module, and according to the geographic location information of the first electronic device provided by the positioning component and a preset geographic location range, it is determined that the first electronic device is in Target position, it can be automatically determined that the first electronic device is at the target position, and low power consumption control can be performed more flexibly.
  • GPS Global Positioning System
  • the first electronic device includes a cellular communication component.
  • Determining that the first electronic device is at the target position includes: if the base station characteristic information received by the cellular communication component includes characteristic information of a preset base station, determining that the first electronic device is at the target position.
  • the cellular communication component may be Global System of Mobile communication (GSM), General Packet Radio Service (GPRS), Code Division Multiple Access (CDMA), Wideband Code Division Multiple Access (Wideband Code Division Multiple Access, WCDMA), Long Term Evolution (Long Term Evolution, LTE), Time Division Multiplexing WCDMA (Time-Division WCDMA, TD-WCDMA), Time Division Multiplexing LTE (Time-Division LTE, TD-LTE) ), the 5th generation New Radio (5G NR), etc.
  • GSM Global System of Mobile communication
  • GPRS General Packet Radio Service
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • LTE Long Term Evolution
  • Time Division Multiplexing WCDMA Time-Division WCDMA, TD-WCDMA
  • Time Division Multiplexing LTE Time-Division LTE, TD-LTE
  • 5G NR 5th generation New Radio
  • the base station feature information received by the cellular communication component includes the feature information of the preset base station, it is determined that the first electronic device is at the target position, and the first electronic device can be automatically determined to be at the target position, and low power consumption control can be performed more flexibly.
  • the first electronic device performs data interaction with the second electronic device through the C-V2X protocol, including: receiving roadside information sent by the second electronic device. According to the roadside information, it is confirmed that the second electronic device has the authority to access the first electronic device. An authentication message for indicating the access authority and a transaction verification code for indicating the transaction information are generated, and the authentication message and the transaction verification code are sent to the second electronic device. Receive a human-computer interaction interface request sent by the second electronic device according to the authentication message and the transaction verification code. Responding to the human-computer interaction interface request, and sending the response result of the human-computer interaction interface request to the second electronic device. Receive event report information sent by the second electronic device according to the response result requested by the human-computer interaction interface, where the event report information is used to instruct the first electronic device and the second electronic device to complete data interaction.
  • the first electronic device exchanges data with the second electronic device through the C-V2X protocol, and can complete the ETC transaction, that is, the first electronic device is installed on the vehicle, and the vehicle can pass the first The C-V2X function of the electronic device conducts ETC transactions and completes the payment.
  • determining that the first electronic device and the second electronic device complete the data interaction includes: if the event report information is received, determining that the first electronic device and the second electronic device complete the data interaction.
  • the first electronic device includes a control assembly.
  • Determining that the first electronic device and the second electronic device complete data interaction includes: if the control component receives a second control operation, determining that the first electronic device and the second electronic device complete data interaction, wherein the second control operation is used to indicate The C-V2X function of the first electronic device is deactivated.
  • the first electronic device includes a positioning assembly.
  • Determining that the first electronic device and the second electronic device complete data interaction includes: if the positioning component receives geographic location information outside a preset geographic location range, determining that the first electronic device and the second electronic device complete data interaction.
  • the first electronic device includes a cellular communication component.
  • Determining that the first electronic device and the second electronic device complete the data interaction includes: if the base station characteristic information received by the cellular communication component does not include the characteristic information of the preset base station, determining that the first electronic device and the second electronic device complete the data interaction .
  • the first electronic device includes a display component for presenting a display interface.
  • the method further includes: displaying prompt information of activation of the C-V2X function on the display interface.
  • the method when the first electronic device performs data interaction with the second electronic device through the C-V2X protocol, the method further includes: displaying prompt information of the data interaction on the display interface.
  • the method further includes:
  • the first electronic device includes a control component, a positioning component, a cellular communication component, and a display component for presenting a display interface.
  • Determining that the first electronic device is at the target position includes: if the control component receives a first control operation, determining that the first electronic device is at the target position, wherein the first control operation is used to instruct activation of the C-V2X function of the first electronic device; Or, if the positioning component receives the geographic location information located within the preset geographic location range, it is determined that the first electronic device is at the target location; or, if the base station feature information received by the cellular communication component includes the feature information of the preset base station , it is determined that the first electronic device is at the target position.
  • the first electronic device performs data interaction with the second electronic device through the C-V2X protocol, including: receiving roadside information sent by the second electronic device. According to the roadside information, it is confirmed that the second electronic device has the authority to access the first electronic device. An authentication message for indicating the access authority and a transaction verification code for indicating the transaction information are generated, and the authentication message and the transaction verification code are sent to the second electronic device. Receive a human-computer interaction interface request sent by the second electronic device according to the authentication message and the transaction verification code. Responding to the human-computer interaction interface request, and sending the response result of the human-computer interaction interface request to the second electronic device. Receive event report information sent by the second electronic device according to the response result requested by the human-computer interaction interface, where the event report information is used to instruct the first electronic device and the second electronic device to complete data interaction.
  • Determining that the first electronic device and the second electronic device complete the data interaction includes: if the event report information is received, determining that the first electronic device and the second electronic device complete the data interaction; or, if the control component receives the second control operation, Then it is determined that the first electronic device and the second electronic device complete data interaction, wherein the second control operation is used to instruct to deactivate the C-V2X function of the first electronic device; other than the geographic location information, then it is determined that the first electronic device and the second electronic device complete data interaction; or, if the feature information of the base station received by the cellular communication component does not include the feature information of the preset base station, then it is determined that the first electronic device and the second electronic device have completed data interaction; The second electronic device completes the data interaction.
  • the method further includes: displaying prompt information of activation of the C-V2X function on the display interface.
  • the method further includes: displaying prompt information of the data interaction on the display interface.
  • the method further includes: displaying prompt information of deactivation of the C-V2X function on the display interface.
  • an embodiment of the present application provides a C-V2X low-power consumption device, which is applied to a first electronic device, where the first electronic device supports a C-V2X function, and the device includes:
  • the determining module is configured to activate the C-V2X function of the first electronic device when it is determined that the first electronic device is at the target position.
  • the interaction module is used for the first electronic device to perform data interaction with the second electronic device through the C-V2X protocol.
  • the determining module is further configured to deactivate the C-V2X function of the first electronic device when it is determined that the first electronic device and the second electronic device complete data interaction.
  • the first electronic device includes a control assembly.
  • the determining module is specifically configured to determine that the first electronic device is at the target position if the control component receives the first control operation, wherein the first control operation is used to instruct to activate the C-V2X function of the first electronic device.
  • the first electronic device includes a positioning assembly.
  • the determining module is specifically configured to determine that the first electronic device is at the target position if the positioning component receives geographic location information within a preset geographic location range.
  • the first electronic device includes a cellular communication component.
  • the determining module is specifically configured to determine that the first electronic device is at the target position if the characteristic information of the base station received by the cellular communication component includes the characteristic information of the preset base station.
  • the interaction module is specifically configured to receive roadside information sent by the second electronic device. According to the roadside information, it is confirmed that the second electronic device has the authority to access the first electronic device. An authentication message for indicating the access authority and a transaction verification code for indicating the transaction information are generated, and the authentication message and the transaction verification code are sent to the second electronic device. Receive a human-computer interaction interface request sent by the second electronic device according to the authentication message and the transaction verification code. Responding to the human-computer interaction interface request, and sending the response result of the human-computer interaction interface request to the second electronic device. Receive event report information sent by the second electronic device according to the response result requested by the human-computer interaction interface, where the event report information is used to instruct the first electronic device and the second electronic device to complete data interaction.
  • the determining module is specifically configured to determine that the first electronic device and the second electronic device complete data interaction if the event report information is received.
  • the first electronic device includes a control assembly.
  • the determining module is specifically configured to determine that the first electronic device and the second electronic device complete data interaction if the control component receives a second control operation, wherein the second control operation is used to instruct to deactivate the C-V2X of the first electronic device Function.
  • the first electronic device includes a positioning assembly.
  • the determining module is specifically configured to determine that the first electronic device and the second electronic device complete data interaction if the positioning component receives geographic location information outside the preset geographic location range.
  • the first electronic device includes a cellular communication component.
  • the determining module is specifically configured to determine that the first electronic device and the second electronic device complete data interaction if the base station feature information received by the cellular communication component does not include the feature information of the preset base station.
  • the first electronic device includes a display component for presenting a display interface.
  • the device also includes a display module, which is used to display the prompt information of the activation of the C-V2X function on the display interface.
  • the display module is further configured to display prompt information of data interaction on the display interface.
  • the display module is further configured to display prompt information of deactivation of the C-V2X function on the display interface.
  • the first electronic device includes a control component, a positioning component, a cellular communication component, and a display component for presenting a display interface.
  • the determining module is specifically configured to determine that the first electronic device is at the target position if the control component receives the first control operation, wherein the first control operation is used to instruct to activate the C-V2X function of the first electronic device; or, if the positioning The component receives the geographic location information located within the preset geographic location range, and determines that the first electronic device is at the target location; or, if the base station feature information received by the cellular communication component includes the feature information of the preset base station, then determines that the first electronic device is at the target location. An electronic device is at the target location.
  • the interaction module is specifically configured to receive roadside information sent by the second electronic device. According to the roadside information, it is confirmed that the second electronic device has the authority to access the first electronic device. An authentication message for indicating the access authority and a transaction verification code for indicating the transaction information are generated, and the authentication message and the transaction verification code are sent to the second electronic device. Receive a human-computer interaction interface request sent by the second electronic device according to the authentication message and the transaction verification code. Responding to the human-computer interaction interface request, and sending the response result of the human-computer interaction interface request to the second electronic device. Receive event report information sent by the second electronic device according to the response result requested by the human-computer interaction interface, where the event report information is used to instruct the first electronic device and the second electronic device to complete data interaction.
  • the determining module is specifically configured to determine that the first electronic device and the second electronic device complete data interaction if the event report information is received; or, if the control component receives the second control operation, determine that the first electronic device and the second electronic device The device completes data interaction, wherein the second control operation is used to instruct to deactivate the C-V2X function of the first electronic device; The electronic device completes data interaction with the second electronic device; or, if the base station feature information received by the cellular communication component does not include the feature information of the preset base station, it is determined that the first electronic device and the second electronic device complete data interaction.
  • the device also includes a display module, which is used to display the prompt information of the activation of the C-V2X function on the display interface.
  • the display module is also used to display prompt information of data interaction on the display interface.
  • the display module is also used to display the prompt information of the deactivation of the C-V2X function on the display interface.
  • an embodiment of the present application provides an electronic device, including a memory, a processor, and a computer program stored in the memory and running on the processor, characterized in that the electronic device supports C -V2X function, the processor implements the following C-V2X low power consumption methods when executing the computer program:
  • the C-V2X function of the electronic device When it is determined that the electronic device is at the target location, the C-V2X function of the electronic device is activated.
  • the electronic device performs data interaction with the second electronic device through the C-V2X protocol.
  • the C-V2X function of the electronic device is deactivated.
  • the first electronic device includes a control assembly.
  • Determining that the first electronic device is at the target position includes: if the control component receives a first control operation, determining that the first electronic device is at the target position, wherein the first control operation is used to instruct to activate the C-V2X function of the first electronic device.
  • the first electronic device includes a positioning assembly.
  • Determining that the first electronic device is at the target location includes: if the positioning component receives geographic location information within a preset geographic location range, determining that the first electronic device is at the target location.
  • the first electronic device includes a cellular communication component.
  • Determining that the first electronic device is at the target position includes: if the base station characteristic information received by the cellular communication component includes characteristic information of a preset base station, determining that the first electronic device is at the target position.
  • the first electronic device performs data interaction with the second electronic device through the C-V2X protocol, including: receiving roadside information sent by the second electronic device. According to the roadside information, it is confirmed that the second electronic device has the authority to access the first electronic device. An authentication message for indicating the access authority and a transaction verification code for indicating the transaction information are generated, and the authentication message and the transaction verification code are sent to the second electronic device. Receive a human-computer interaction interface request sent by the second electronic device according to the authentication message and the transaction verification code. Responding to the human-computer interaction interface request, and sending the response result of the human-computer interaction interface request to the second electronic device. Receive event report information sent by the second electronic device according to the response result requested by the human-computer interaction interface, where the event report information is used to instruct the first electronic device and the second electronic device to complete data interaction.
  • determining that the first electronic device and the second electronic device complete the data interaction includes: if the event report information is received, determining that the first electronic device and the second electronic device complete the data interaction.
  • the first electronic device includes a control assembly.
  • Determining that the first electronic device and the second electronic device complete data interaction includes: if the control component receives a second control operation, determining that the first electronic device and the second electronic device complete data interaction, wherein the second control operation is used to indicate The C-V2X function of the first electronic device is deactivated.
  • the first electronic device includes a positioning assembly.
  • Determining that the first electronic device and the second electronic device complete data interaction includes: if the positioning component receives geographic location information outside a preset geographic location range, determining that the first electronic device and the second electronic device complete data interaction.
  • the first electronic device includes a cellular communication component.
  • Determining that the first electronic device and the second electronic device complete the data interaction includes: if the base station characteristic information received by the cellular communication component does not include the characteristic information of the preset base station, determining that the first electronic device and the second electronic device complete the data interaction .
  • the first electronic device includes a display component for presenting a display interface.
  • the method further includes: displaying prompt information of activation of the C-V2X function on the display interface.
  • the method when the first electronic device performs data interaction with the second electronic device through the C-V2X protocol, the method further includes: displaying prompt information of the data interaction on the display interface.
  • the method further includes:
  • the first electronic device includes a control component, a positioning component, a cellular communication component, and a display component for presenting a display interface.
  • Determining that the first electronic device is at the target position includes: if the control component receives a first control operation, determining that the first electronic device is at the target position, wherein the first control operation is used to instruct activation of the C-V2X function of the first electronic device; Or, if the positioning component receives geographic location information located within a preset geographic location range, it is determined that the first electronic device is at the target location; or, if the base station feature information received by the cellular communication component includes the feature information of the preset base station , it is determined that the first electronic device is at the target position.
  • the first electronic device performs data interaction with the second electronic device through the C-V2X protocol, including: receiving roadside information sent by the second electronic device. According to the roadside information, it is confirmed that the second electronic device has the authority to access the first electronic device. An authentication message for indicating the access authority and a transaction verification code for indicating transaction information are generated, and the authentication message and the transaction verification code are sent to the second electronic device. Receive a human-computer interaction interface request sent by the second electronic device according to the authentication message and the transaction verification code. Responding to the human-computer interaction interface request, and sending the response result of the human-computer interaction interface request to the second electronic device. Receive event report information sent by the second electronic device according to the response result requested by the human-computer interaction interface, where the event report information is used to instruct the first electronic device and the second electronic device to complete data interaction.
  • Determining that the first electronic device and the second electronic device complete the data interaction includes: if the event report information is received, determining that the first electronic device and the second electronic device complete the data interaction; or, if the control component receives the second control operation, Then it is determined that the first electronic device and the second electronic device complete data interaction, wherein the second control operation is used to instruct to deactivate the C-V2X function of the first electronic device; other than the geographic location information, then it is determined that the first electronic device and the second electronic device have completed data interaction; or, if the base station feature information received by the cellular communication component does not include the feature information of the preset base station, then it is determined that the first electronic device is connected to the second electronic device. The second electronic device completes the data interaction.
  • the method further includes: displaying prompt information of activation of the C-V2X function on the display interface.
  • the method further includes: displaying prompt information of the data interaction on the display interface.
  • the method further includes: displaying prompt information of deactivation of the C-V2X function on the display interface.
  • an embodiment of the present application provides a chip system, which is applied to electronic equipment, and is characterized in that, the chip system includes at least one processor, at least one interface circuit, and a C-V2X chip, the processor, the interface The circuit and the C-V2X chip are interconnected through lines.
  • the C-V2X chip When the C-V2X chip is activated, it is used to realize the C-V2X function of the electronic device.
  • the processor receives and executes computer instructions from the electronic device through the interface circuit to realize the following C-V2X low power consumption. Consumption method: In response to the activation command sent when the electronic device is at the target position, activate the C-V2X chip to realize the C-V2X function of the electronic device.
  • the C-V2X chip is deactivated in response to the deactivation instruction sent by the electronic device when it is determined that the electronic device and the second electronic device have completed data interaction.
  • performing data interaction with the second electronic device through the C-V2X protocol includes: receiving roadside information sent by the second electronic device. According to the roadside information, it is confirmed that the second electronic device has the authority to access the electronic device. An authentication message for indicating the access authority and a transaction verification code for indicating transaction information are generated, and the authentication message and the transaction verification code are sent to the second electronic device. Receive a human-computer interaction interface request sent by the second electronic device according to the authentication message and the transaction verification code. Responding to the human-computer interaction interface request, and sending the response result of the human-computer interaction interface request to the second electronic device. Receive event report information sent by the second electronic device according to the response result requested by the human-computer interaction interface, where the event report information is used to instruct the electronic device to complete data interaction with the second electronic device.
  • embodiments of the present application provide a computer-readable storage medium, where the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the method steps in the embodiments of the foregoing aspects can be implemented.
  • the embodiments of the present application provide a computer program product, which when the computer program product runs on a terminal device, enables the terminal device to execute the method steps in the embodiments of the above aspects.
  • FIG. 1 is a schematic diagram of an application scenario of a C-V2X low power consumption method
  • FIG. 2 is a schematic diagram of an application scenario of a C-V2X low power consumption method provided by an embodiment of the present application
  • Fig. 3 is the structural representation of the OBU provided in the embodiment of this application.
  • FIG. 4 is a schematic flowchart of a C-V2X low power consumption method provided by an embodiment of the present application
  • FIG. 5 is a schematic flowchart of a C-V2X low power consumption method provided by another embodiment of the present application.
  • FIG. 6 is a schematic diagram of an application scenario of a C-V2X low power consumption method provided by another embodiment of the present application.
  • FIG. 7 is a schematic diagram of a scenario of a low power consumption method for C-V2X implemented by an OBU according to an embodiment of the present application
  • FIG. 8 is a schematic diagram of a scenario of a low power consumption method for C-V2X implemented by an OBU provided by another embodiment of the present application;
  • FIG. 9 is a schematic diagram of a scenario of a low power consumption method for C-V2X implemented by an OBU provided by another embodiment of the present application.
  • FIG. 10 is a schematic diagram of a scenario of a C-V2X low power consumption method implemented by an OBU provided by another embodiment of the present application;
  • FIG. 11 is a schematic diagram of a scenario of a C-V2X low power consumption method implemented by an OBU provided by another embodiment of the present application;
  • FIG. 12 is a schematic diagram of a scenario of a low power consumption method for C-V2X implemented by an OBU provided by another embodiment of the present application;
  • FIG. 13 is a schematic diagram of a scenario of a low power consumption method for C-V2X implemented by an OBU provided by another embodiment of the present application;
  • FIG. 14 is a schematic diagram of a scenario of a low power consumption method for C-V2X implemented by an OBU according to another embodiment of the present application;
  • 15 is a schematic diagram of a scenario of a low power consumption method for C-V2X implemented by an OBU according to another embodiment of the present application;
  • 16 is a schematic diagram of a scenario of a C-V2X low power consumption method implemented by an OBU provided by another embodiment of the present application;
  • 17 is a schematic diagram of a scenario of a low power consumption method for C-V2X implemented by an OBU provided by another embodiment of the present application;
  • FIG. 18 is a schematic diagram of a scenario of a C-V2X low power consumption method implemented by an OBU provided by another embodiment of the present application;
  • 19 is a signaling diagram when the low power consumption method of C-V2X provided by an embodiment of the application is applied to ETC;
  • 20 is a signaling diagram when the low power consumption method of C-V2X provided by an embodiment of the application is applied to ETC;
  • 21 is a schematic flowchart of a C-V2X low power consumption method provided by another embodiment of the present application.
  • FIG. 22 is a schematic structural diagram of a C-V2X low-power consumption device according to an embodiment of the present application.
  • FIG. 23 is a schematic structural diagram of a C-V2X low-power consumption device provided by another embodiment of the present application.
  • FIG. 24 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
  • the term “if” may be contextually interpreted as “when” or “once” or “in response to determining” or “in response to detecting “.
  • the phrases “if determined” or “if detected” may be interpreted contextually to mean “once determined” or “in response to determining” or “once detected” or “in response to detecting.”
  • references to "one embodiment” or “some embodiments” and the like described in the specification of this application mean that a particular feature, structure, or characteristic described in connection with that embodiment is included in one or more embodiments of this application.
  • the appearances of the phrases “in one embodiment,” “in some embodiments,” “in other embodiments,” “in other embodiments,” etc. in various places in this specification are not necessarily All refer to the same embodiment, but mean “one or more but not all embodiments” unless specifically emphasized otherwise.
  • FIG. 1 shows a schematic diagram of an application scenario of a method for activating a cellular vehicle wireless communication module.
  • ETC is billed and charged through C-V2X.
  • FIG. 1 which includes a C-V2X capable RSU 11, a vehicle 12 with a C-V2X capable OBU.
  • RSU11 and OBU12 conduct ETC transactions, they interact through information (C-V2X information) based on the Vehicle-To-everything (V2X) protocol.
  • ETC transactions include ETC billing and ETC charges. For example, when the vehicle passes the entrance 14 of the toll road or the detection point 13 installed on the toll road, ETC charging is performed; when the vehicle passes the exit 15 of the toll road, ETC charging is performed.
  • Carrying out charging includes calculating the traveling fee of the vehicle 12 according to the distance between the entrance 14 of the toll road passed by the vehicle 12 and the passing detection point 13 and the toll rate of the corresponding toll road.
  • the toll collection is based on the distance between the entrance 14 of the toll road, the detection point 13 and the exit 15 of the toll road that the vehicle 12 passes through, and the toll rate of the corresponding toll road, to calculate the toll of the vehicle and deduct the toll.
  • the distance from the toll booth at the entrance of the expressway to the first detection point is 15 kilometers, and the toll rate is 0.4 yuan/km.
  • the distance between the first detection point and the second detection point is 20 kilometers, and the charging rate is 0.5 yuan/km.
  • the distance between the second detection point and the toll station at the expressway exit is 10 kilometers, and the toll rate is 0.6 yuan/km.
  • the toll fee is 6 yuan.
  • the RSU 11 may be provided at the entrance 14 of the toll road, at the detection point 13 and at the exit 15 of the toll road.
  • the toll road may be a road that collects tolls such as national highways, expressways, and cross-sea bridges.
  • the detection point 13 is used to charge the vehicle 12 passing through the detection point 13 .
  • the OBU in the vehicle 12 interacts with the RSU 11 set on the detection point 13 to charge the vehicle 12 .
  • the detection point 13 may be a gantry, a cross bar or the like provided on a toll road.
  • a gantry spanning the entire road can be set, and an RSU11 can be set on the gantry at a position corresponding to each lane.
  • a pole can be set on the road side, and a crossbar extending to the lane is set at the top of the pole, and the crossbar corresponds to the width of each lane. set an RSU11 on the position.
  • the OBU on the vehicle receives the roadside information (Road Side Information, RSI) sent by the RSU, wherein the RSI may include the toll road network number, toll station number, toll lane number, time, traffic status, etc. Then, the OBU confirms that the RSU has the right to access the OBU according to the received RSI. After confirmation, an authentication message and a transaction verification code (Transaction Authentication Code, TAC) are generated. The OBU sends the authentication message, vehicle information and TAC to the RSU, and the RSU obtains the OBU's verification result according to the authentication message. If the OBU's verification result is passed, it confirms that the OBU has the access authority of the RSU, and then the RSU reports the vehicle information and TAC to the RSU. to the server.
  • RSI Road Side Information
  • TAC Transaction Authentication Code
  • the RSU is installed at the entrance of the highway, or installed on the gantry on the highway. After the RSU reports the vehicle information and TAC to the server, the server will charge according to the vehicle information and TAC. In other scenarios, the RSU is set at the exit of the expressway. After the RSU reports the vehicle information and TAC to the server, the server charges the vehicle according to the vehicle information and TAC.
  • the OBU of the vehicle will interact with the RSU once every time it passes through the entrance and exit of the toll road or the detection point.
  • the OBU of the vehicle will be respectively set at the entrance of the toll road, the exit of the toll road and a The RSUs on the detection point interact, that is, three interactions in total. That is, when the vehicle reaches the entrance of the toll road, the OBU interacts with the RSU to realize the ETC function and start charging. When the vehicle is driving to the detection point, the OBU interacts with the RSU again for charging. Finally, when the vehicle travels to the exit of the toll road, the OBU interacts with the RSU to complete the toll collection.
  • OBU When OBU interacts with RSU, in order to realize the function of ETC, the two will send and receive C-V2X information through their respective C-V2X modules, and complete ETC transactions through multiple information exchanges.
  • the number of times of information interaction can be determined according to the interaction process preset in the RSU and the OBU. For example, a common information interaction process includes 5 interactions and 7 interactions. Here, five interactions are taken as an example for description.
  • the OBU when the OBU detects the RSI broadcast by the RSU, it may establish a link with the RSU first, and accept the RSI sent by the RSU. And obtain the first verification information from the on-board equipment security control module (On Board Equipment-Security Access Module, OBE-SAM) integrated in the OBU according to the RSI.
  • OBE-SAM On Board Equipment-Security Access Module
  • the OBU sends an acknowledgment character (Acknowledge character, ACK) including the first verification information to the RSU, and after receiving the ACK, the RSU obtains the second verification information from the Payment Security Access Module (PSAM) according to the first verification information. Authentication information and access credentials.
  • the RSU sends the second authentication information and the access certificate to the OBU.
  • the access certificate is used to verify the right of the RSU to access the OBU.
  • the OBU obtains the verification result and the TAC from the OBE-SAM according to the second verification information and the access certificate. If the verification result is passed, it is confirmed that the RSU has the right to access the OBU, that is, the OBU is legal. Then, the OBU sends the authentication message, vehicle information and TAC to the RSU.
  • the RSU determines that the OBU is legal according to the received verification result, and then reports the received vehicle information and TAC to the server.
  • a Man Machine Interface (MMI) request is generated and sent to the OBU.
  • the MMI request is used to instruct the OBU to prompt the user for the transaction result.
  • the OBU prompts the user for the transaction result according to the received MMI request, and then returns the response result of the MMI request to the RSU to complete the transaction.
  • the OBU disconnects the link with the RSU.
  • the existing ETC based on C-V2X includes three transaction processes. That is, charging at the entrance of the toll road, charging at the detection point on the toll road, and charging at the exit of the toll road.
  • ETC transactions generally only take up a very short period of time during the entire driving process. For example, after entering the toll road, if a detection point is set every 15KM, the vehicle speed is 100KM/h, and the communication process between the OBU and the RSU of the detection point takes 1 second, then during the driving process, the C-V2X module 99.8 % of the time there is no need to send and receive C-V2X information.
  • C-V2X technology currently cannot support low power consumption measures such as wake-up from sleep.
  • the C-V2X module in the OBU can only be turned on all the time, that is, the continuous sending or receiving of V2X messages will greatly increase the power consumption of the OBU.
  • the battery life of the OBU will be severely shortened.
  • the present application provides a C-V2X low power consumption method based on the C-V2X technology.
  • the C-V2X module can be activated when the communication of the C-V2X module is required, and the C-V2X module can be deactivated after the transaction is completed to reduce the power consumption of the OBU and increase the battery life of the OBU.
  • the C-V2X may include Long Term Evolution (LTE)-based V2X communication (LTE-Vehicle, LTE-V) and New Radio (New Radio, NR)-based V2X communication (New Radio-Vehicle, NR- V).
  • FIG. 2 shows a possible internal structure of the vehicle 12, which includes at least one OBU, wherein the OBU can be an on-board equipment (On Board Equipment, OBE), a smartphone, a tablet computer integrated with a C-V2X module , wearable devices, customized terminals and other terminal devices with C-V2X functions.
  • OBE on Board Equipment
  • the OBE may be an in-vehicle device including the above-mentioned low-power consumption method using C-V2X.
  • the OBE may be an in-vehicle terminal integrated with a C-V2X module, a trip computer connected with a C-V2X module, and the like.
  • the OBU may be a vehicle-mounted terminal 121, a smart phone 122, or an OBU customized terminal (not shown) with a C-V2X function, or the like.
  • the function of the OBU can be realized through some of the modules therein.
  • the function of the OBU can be implemented by the AP, BP and positioning module of the smart phone.
  • the OBU at least includes BP and electronic fence module with C-V2X function, etc., whichever can realize the ETC function.
  • FIG. 3 provides a schematic structural diagram of the vehicle-mounted OBU in FIG. 2 , and the OBU can apply the C-V2X low power consumption method provided in this application.
  • the OBU includes: a processor 201 , an audio module 202 , a screen 203 , a communication module 204 , a storage module 205 , a C-V2X module 206 , a positioning module 207 , a sensor module 208 , an input module 209 , and a power supply module 210 , interface 211 and other components.
  • a processor 201 the OBU includes: a processor 201 , an audio module 202 , a screen 203 , a communication module 204 , a storage module 205 , a C-V2X module 206 , a positioning module 207 , a sensor module 208 , an input module 209 , and a power supply module 210 , interface 211 and other components.
  • the structure of the terminal device shown in FIG. 1 does not constitute a limitation on the terminal device, and may include more or less components than those shown in the figure, such as a camera module, a vibration module, etc., or a combination of some
  • the processor 201 is the control center of the OBU, and can use various interfaces and lines to connect various parts of the OBU, by running or executing the software programs and/or modules stored in the storage module 205, and calling the data stored in the storage module 205. , perform various functions of OBU and process data.
  • the processor 201 may be an application processor (Application process, AP) for processing application programs.
  • the processor 201 may include one or more processing units.
  • it can be a central processing unit (Central Processing Unit, CPU), or can also be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), an off-the-shelf programmable processor Field-Programmable Gate Array (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc.
  • CPU Central Processing Unit
  • DSP Digital Signal Processor
  • ASIC Application Specific Integrated Circuit
  • FPGA Field-Programmable Gate Array
  • the processor 201 when the processor 201 is a system-on-chip (System on Chip, SoC), the processor 201 simultaneously includes an AP, a BP, and a coprocessor (coprocessor, CP).
  • SoC System on Chip
  • the processor 201 may integrate an application processor and a modem processor.
  • the application processor mainly handles the operating system, user interface and application programs, etc.
  • the modem processor mainly handles wireless communication. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor 201, which is not limited in this application.
  • the audio module 202 is used for playing audio.
  • the audio module 202 plays a prompt voice, or plays a prompt tone, or the like.
  • the screen 203 is used for displaying the content output by the terminal device through visual output.
  • the information input by the user can be displayed, the information provided to the user can be displayed, the system interface of the terminal device, the interface of the application program running on the terminal device, and the like can be displayed.
  • the material of the display panel of the screen 203 may be a liquid crystal display (Liquid Crystal Display, LCD), a thin film transistor (Thin Film Transistor, TFT), a light-emitting semiconductor (Light-Emitting Diode, LED), an organic light-emitting semiconductor (Organic Light-Emitting Diode, OLED) ), etc., which are not limited here.
  • the touch panel can be covered on the display panel of the screen.
  • the touch panel detects a touch operation on or near it, it transmits the touch operation to the processor 201 to determine the type of the touch event, and then the processor 201 determines the type of the touch event according to the The type of touch event provides a corresponding visual output on the display panel.
  • the screen and the touch panel (not shown) are two independent components in FIG. 3 to realize the input and input functions of the mobile phone, in some embodiments, the touch panel and the display panel can be integrated to realize the mobile phone input and output functions. Wherein, after the touch panel is integrated with the screen, it can be used as a touch screen, and the touch screen can receive the touch signal on the touch panel and feed it back to the processor 201 . The processor 201 responds according to the touch signal, and displays the response result on the display panel of the screen.
  • the communication module 204 includes a mobile communication module 2041 and a wireless communication module 2042 .
  • the mobile communication module 2041 can be integrated in the BP, and the BP can support any communication standard or protocol, including but not limited to Global System of Mobile communication (GSM), General Packet Radio Service (GPRS), Code Division Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), Long Term Evolution (LTE), Time-Division WCDMA (Time-Division WCDMA, TD- WCDMA), Time Division LTE (Time-Division LTE, TD-LTE), the 5th generation New Radio (the 5th generation New Radio, 5G NR), etc.
  • the wireless communication module 2042 can support Bluetooth (Bluetooth), Wireless Fidelity (Wireless Fidelity, Wi-Fi), Near Field Communication (Near Field Communication, NFC) and the like.
  • the mobile communication module 2041 can be used to connect with a communication base station through an antenna, so as to establish a call link between a terminal device and other terminal devices, and receive call audio.
  • the wireless communication module 2042 is used for wirelessly connecting with an external communication device, wherein the external communication device may be an external device with functions of playing and receiving sound, such as a Bluetooth headset and a Bluetooth speaker.
  • the external communication device is connected to the terminal device through the wireless communication module 2042 , audio can be played through the external communication device, and the analog audio signal collected by the external communication device can be received, processed and sent to the processor 201 .
  • the storage module 205 includes an internal memory 2051 and an external memory interface 2052, and the internal memory 2051 may be a flash memory, a hard disk, a computing memory, or the like.
  • the internal memory may include at least one hard disk or flash memory, and one computing memory.
  • the external memory interface 2052 is used to connect an external memory, and the external memory may include a memory card, a mobile hard disk, a U disk, an optical disk, and the like.
  • the storage module 205 can be used to store software programs and modules, and the processor 201 executes various functional applications and data processing of the terminal device by running the software programs and modules stored in the storage module 205 .
  • the storage module 205 may mainly include a storage program area and a storage data area.
  • the program storage area is usually located on the internal memory 2051, and can store an operating system and an application program required for at least one function (eg, a sound playback function, a touch response function).
  • the storage data area may be located on the internal memory 2051, or on the external memory connected to the external memory interface 2052, or on both the internal memory and the external memory.
  • the storage data area may store data (eg, audio data, image data, video data) created according to the usage of the mobile phone.
  • the C-V2X module 206 can be an independent module, or can be integrated into the mobile communication module 2041, and the C-V2X module can communicate with other devices having the C-V2X module through the V2X protocol. For example, communication between RSU with C-V2X module and OBU with C-V2X module.
  • the OBU with the C-V2X module can communicate with the user equipment with the C-V2X module through the cellular mobile network, for example, the OBU with the C-V2X module sends the vehicle driving information to the user equipment.
  • the OBU with the C-V2X module can also be connected to the Internet, and the required data can be obtained from the Internet.
  • the OBU with the C-V2X module can download road congestion information from the server.
  • the C-V2X module can be used alone as an OBU.
  • the C-V2X module can also form an OBU together with other modules, which is not limited here.
  • the positioning module 207 may include a GPS module and a Beidou module, and the positioning module 207 may obtain the geographic location information of the current OBU, such as the latitude and longitude of the OBU, from the GPS or the Beidou system.
  • the end device may also include a sensor module 208 .
  • the sensor module includes at least one sensor, such as a pressure sensor 2081 , a gyro sensor 2082 , a distance sensor 2083 , a proximity light sensor 2084 , a touch sensor 2085 or an acceleration sensor 2086 and the like.
  • the proximity light sensor 2084 may include an ambient light sensor and a proximity sensor, wherein the ambient light sensor may adjust the brightness of the display panel according to the brightness of the ambient light, and the proximity sensor may turn off the display panel of the screen 203 when the mobile phone is moved to the ear and/or backlight.
  • the acceleration sensor 2086 can detect the magnitude of acceleration in various directions (generally three axes), and can detect the magnitude and direction of gravity when stationary, and can be used to identify the posture of the terminal device (such as picking up or putting down the terminal) equipment, horizontal or vertical terminal equipment, etc.). It can also be used to identify related actions (such as step counting, tapping) through vibration, etc. Other sensors of the terminal device are not described here.
  • the input module 209 can be used to receive input information and key signals, the input information includes numeric or character information, touch information, etc., and the key signals include a press signal of a physical key, a press signal of a virtual key, and the like.
  • the input module 209 may include a touch panel and other input devices.
  • the touch panel and the screen 203 can form a touch screen, and the touch panel can collect the user's touch operations on or near it (for example, objects or accessories that can generate touch signals on the touch panel by the user using a finger, a stylus, etc. operation on the panel or near the touch screen), and execute the corresponding function according to the preset program driver.
  • the touch panel may include two parts, a touch detection device and a touch controller. The touch detection device detects the touch orientation of the user, detects the signal brought by the touch operation, and transmits the signal to the touch controller.
  • the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, and sends it to the processor 201.
  • the processor 201 receives the sent contact coordinates, converts them into touch commands, and executes them.
  • the touch panel can be implemented using resistive, capacitive, infrared, and surface acoustic wave types.
  • Other input devices may include, but are not limited to, one or more of physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks.
  • the terminal device also includes a power supply module 210 that supplies power to the various components.
  • the power module may include a battery, a power management module, and the like.
  • the power management module may be logically connected to the processor 210, so that functions such as managing the charging, discharging, and power consumption of the battery are implemented through the power management module.
  • the power module 210 may further include photovoltaic components, which are used to convert solar radiation energy into electrical energy to supply power to other components.
  • the interface 211 includes, but is not limited to, a Subscriber Identity Module (SIM) card interface 2111 and a USB interface 2112 .
  • SIM Subscriber Identity Module
  • the SIM card interface is used to insert the SIM card provided by the operator, so that when the terminal device communicates with the base station through the mobile communication module 2041, it can identify and verify the user identity, and after passing the verification, send a call request, a data request to the base station and receive the base station. Forwarded calls, data, text messages, etc.
  • SIM Subscriber Identity Module
  • the USB interface 2112 can connect the terminal device with the computer through a USB data line to exchange data. At the same time, the USB interface 2112 is also connected to the power module 210. When the USB data cable is connected to a computer or a charging socket, the input power can be transmitted to the power module 210 to charge the terminal device.
  • the USB interface 2112 can be micro-USB, mini-USB, USB Type-c, etc., which is not limited here.
  • FIG. 4 shows a schematic flowchart of the C-V2X low power consumption method provided by the present application, and the method can be applied to the OBUs provided in the vehicle shown in FIGS. 1 , 2 and 3 .
  • the vehicle is taken as an example of a vehicle, but the vehicle may also be a vehicle that requires ETC, such as a motorcycle, a scooter, and an agricultural vehicle.
  • the first electronic device performs data interaction with the second electronic device through the C-V2X protocol.
  • the first electronic device may be an OBU.
  • OBU is a terminal device with C-V2X function, such as OBE, smart phone with C-V2X function, tablet computer, wearable device, customized terminal, etc.
  • the second electronic device may be the RSU, and when the OBU and the RSU exchange data, the ETC transaction can be completed.
  • the C-V2X function can be realized by a C-V2X chip, and the C-V2X chip can be integrated into the BP in the first electronic device.
  • Activating the C-V2X function of the first electronic device means that the C-V2X chip in the BP starts to work, that is, the C-V2X chip starts to receive and transmit data.
  • deactivating the C-V2X function of the first electronic device refers to stopping the C-V2X chip in the BP from working, that is, the C-V2X chip no longer receives and sends data.
  • the first electronic device performs data interaction with the second electronic device through the C-V2X protocol, so as to realize the ETC transaction of the toll road.
  • the target location is the area where ETC transactions need to be performed, such as the entrance and exit of the expressway, the detection point for charging on the expressway, etc.
  • the C-V2X module can be started to work by sending a corresponding activation command to the enabling end of the C-V2X module.
  • the C-V2X module can stop working by sending a corresponding deactivation command to the enabling end of the C-V2X module.
  • the function of stopping sending and receiving C-V2X information can also be realized by disconnecting the power supply of the C-V2X module.
  • enabling the function of sending and receiving C-V2X information can be achieved by supplying power to the C-V2X module.
  • C-V2X information exchange is performed between the OBU and the RSU to perform ETC transactions.
  • the OBU stops sending and receiving C-V2X information. This makes it possible to turn off the function of sending and receiving C-V2X information when there is no need for ETC transactions, reducing the power consumption of the OBU and increasing the battery life of the OBU.
  • Fig. 5 shows a possible C-V2X low power consumption method in this application, as shown in Fig. 5, the method includes:
  • the C-V2X module switches to the active state in response to the activation command.
  • the OBU when it is determined that the OBU is at the target position, two situations may be included, one is manual determination and the other is automatic determination.
  • C-V2X module activation means that the C-V2X module starts to work
  • enabling the C-V2X function means that the C-V2X information starts to be sent and received.
  • the activation instruction may be a key operation for activating the C-V2X module.
  • the button for activating the C-V2X module may be the activation button 41 provided on the steering wheel of the vehicle, or the activation lever 42 provided in the central control.
  • the user when manually determined, it may also be detected that the user starts the application program preset in the OBU.
  • an application for ETC is installed on the vehicle-mounted terminal or user equipment.
  • the vehicle-mounted terminal or user equipment receives and responds Actions should be clicked to launch the application.
  • the OBU detects that the application is started, it is determined that the OBU is in the target position. Or, when the app is launched, but running in the background. If an operation of switching the application to the foreground is received, it can be determined that the OBU is at the target position.
  • the C-V2X module is integrated on the BP, and the activation and deactivation of the C-V2X module can be implemented through AT (Attention) commands.
  • the BP activates the C-V2X module according to the AT command.
  • the C-V2X module is activated, it starts to receive and send C-V2X information.
  • the OBU may be a user equipment, such as a smartphone, tablet, etc. with C-V2X. Referring to FIG. 7 , the OBU is used as a smartphone for description.
  • the application icon 61 used for ETC charging is displayed.
  • the activity management service Activity Manager Service, AMS
  • AMS Activity Manager Service
  • the click operation is used to instruct the application program named "ETC charging” to start, and to start the "ETC charging” application through the AP.
  • the AP detects that the application program for ETC charging is started, it determines that the OBU is at the target position, and sends an AT command to activate the C-V2X module to the BP.
  • the BP activates the C-V2X module according to the AT command.
  • the interface shown in Figure 8 can be displayed.
  • an activation/deactivation button 71 is included to activate prompt information 72 .
  • the activation prompt information 72 displays "C-V2X has been activated", and the activation/deactivation button 71 displays "sleep". If a click operation acting on the activation/deactivation button 71 is received, the AP can send an AT command to deactivate the C-V2X module to the BP, so that the C-V2X module is no longer enabled and enters a sleep state. Subsequently, the interface shown in FIG. 8 may be presented. Among them, the activation/deactivation button 71 is displayed as "Activate”, and the activation prompt information 72 is displayed as "C-V2X is dormant".
  • the AP can send the AT command to activate the C-V2X module to the BP again, so as to activate the C-V2X module and display the diagram. 8 interface.
  • the AP detects that the C-V2X module sends a transaction completion command to the RSU, it can send an AT command to deactivate the C-V2X module to the BP, so that the C-V2X module can be activated in time.
  • the V2X module enters the sleep state, reducing power consumption and increasing battery life.
  • charging information 73 may also be included, which is used to display the stations where the vehicle has conducted ETC transactions on the toll road, and is calculated according to the distance between the stations. estimated toll. To prompt users for the details of ETC transactions.
  • the OBU may be a vehicle-mounted terminal, for example, a trip computer that supports C-V2X and a central control screen connected to the trip computer.
  • Fig. 10 shows the activation button 41 connected with the trip computer, the activation lever 42 and the activation icon 43 displayed on the central control screen. It should be noted that, in actual application, at least one of the activation button 41 , the activation lever 42 and the activation icon 43 may be included to provide a manual confirmation operation.
  • the C-V2X module is dormant.
  • the prompt message 81 "ETC has hibernated" can be displayed on the central control screen and the information screen of the on-board computer.
  • the AP of the trip computer detects one of a pressing operation on the activation button 41, a toggle operation on the activation lever 42, or a click operation on the activation icon 43, it is determined that the OBU is at the target position.
  • the AP sends the AT command to activate the C-V2X module to the BP.
  • the BP activates the C-V2X module according to the AT command.
  • the AP When the C-V2X module is activated, if the AP detects one of the pressing operation on the activation button 41, the toggle operation on the activation lever 42, or the click operation on the activation icon 43 again, the AP sends the BP to the BP. Send the AT command to deactivate the C-V2X module. After receiving the AT command, the BP deactivates the C-V2X module according to the AT command.
  • the C-V2X module By manually confirming that the OBU is at the target position, and then activating the C-V2X module, the C-V2X module can be activated in the area where C-V2X communication is required, the C-V2X function can be turned on, and the C-V2X module can be turned off after the transaction is completed. Since it is confirmed manually, it can be more flexibly adapted to all application scenarios.
  • the automatic confirmation means that the OBU determines that the vehicle has approached the area where ETC transactions are required. Then activate the C-V2X module and turn on the C-V2X function to complete the ETC transaction.
  • the OBU when automatically confirming that the OBU is at the target position, it may be to confirm that the vehicle has entered a preset electronic fence range.
  • a plurality of preset electronic fence information may be stored in the memory of the OBU.
  • the geo-fence information may include geo-fence coordinates and coverage radius of the geo-fence.
  • the electronic fence information may further include a preset base station number.
  • the OBU can obtain the position information of the BOE from the positioning module, and determine whether the vehicle enters the geo-fence according to whether the position of the OBU is within the coverage of the geo-fence. If entering, it is determined that the vehicle has approached the area where ETC transactions are required.
  • the mobile communication module in the OBU can obtain the numbers of all base stations that can be identified by the current position of the vehicle. If the obtained base station number includes the preset base station number, it can be determined. OBU enters the electronic fence. Then it is determined that the vehicle has approached the area where ETC transactions are required.
  • an image in front of the vehicle can also be acquired, and the image can be identified. If an image of a toll booth or a checkpoint can be identified, it is determined that the vehicle has approached an area where ETC transactions are required.
  • the AP, the positioning module or the mobile communication module can send the above-mentioned AT command for activating the C-V2X module to the BP.
  • the BP activates the C-V2X module according to the AT command.
  • the C-V2X module is activated, it starts to receive and send C-V2X information.
  • the OBU needs to include an electronic fence module in addition to the C-V2X module.
  • the electronic fence module is a collection of modules in the OBU that can implement the electronic fence function.
  • the electronic fence function is used to identify whether the OBU is in the target position.
  • a geo-fence module may include an AP and a positioning module.
  • the AP obtains the geographic location information of the OBU through the positioning module, and then compares it with the geographic location range of the pre-stored electronic fence. If the geographic location of the OBU is within the geographic location range of the electronic fence, it is confirmed that the OBU is at the target location.
  • the electronic fence module may further include an AP and a mobile communication module.
  • the AP identifies through the mobile communication module whether the base station corresponding to the cell covering the location of the OBU is the target base station, and if so, confirms that the OBU is at the target location.
  • the mobile communication module can obtain the identity document (ID) of the cell broadcast by all base stations within the signal range. If the obtained cell ID includes the pre-stored ID of the cell corresponding to the target base station, it can be confirmed that the OBU is in target location.
  • the mobile communication module may receive a System Information Block (SIB) message broadcast by a base station within the signal range. The SIB message includes the characteristics of the base station that sent the SIB message. If the received SIB message corresponds to If the base station characteristics include the pre-stored characteristics of the target base station, it can be confirmed that the OBU is at the target position.
  • SIB System Information Block
  • the electronic fence module may further include an AP and a wifi module, a Bluetooth module, a Near Field Communication (Near Field Communication, NFC) module, and the like.
  • the AP recognizes the preset wifi wireless access point through the wifi module, it can confirm that the OBU is at the target location.
  • the AP can also identify the preset Bluetooth wireless access point through the Bluetooth module, communicate with the preset NFC access point through the NFC module, etc., to confirm that the OBU is at the target position.
  • the automatic confirmation is described by taking the electronic fence module including the AP and the mobile communication module as an example.
  • the electronic fence module includes an AP and a mobile communication module.
  • the OBU in the vehicle 12 may drive into the cell coverage areas of the first base station 101 , the second base station 102 , and the third base station 103 .
  • the cells broadcasted by different base stations can be distinguished by cell IDs. For example, it is assumed that the ID of the cell broadcast by the first base station is 00001, the ID of the cell broadcast by the second base station is 00002, and the ID of the cell broadcast by the third base station is 00003.
  • the electronic fence module can obtain the cell IDs that can cover all the cells where the OBU is located, and compare the obtained cell IDs with the cell IDs corresponding to multiple pre-stored target base stations. If there is a cell corresponding to the pre-stored target base stations If the ID of the cell with the same ID, it is determined that the vehicle enters the electronic fence, that is, it is confirmed that the OBU is at the target position.
  • the pre-stored target base station is a base station whose coverage of the broadcast cell can cover the RSU that needs to perform C-V2X communication.
  • the RSU 11 is arranged on the detection point 13
  • the detection point 13 is a gantry.
  • the cell coverage areas of the first base station 101 and the third base station 103 cover the RSU 11 .
  • the first base station 101 and the third base station 103 may be used as pre-stored target base stations. That is, the cell IDs corresponding to the first base station 101 and the third base station 103 may be pre-stored in the memory of the OBU.
  • the vehicle 12 shown in FIG. 12 is within the coverage range of the second base station 102 , and the OBU in the vehicle 12 is connected to the second base station 102 through a mobile communication module.
  • Only the cell with ID 00002 exists in the list of cell IDs received by the OBU. Since the first base station 101 and the third base station 103 are pre-stored target base stations, when the vehicle 12 travels to the position shown in FIG. 13 , the OBU can receive two cell IDs, which are 00001 and 00002 respectively.
  • the OBU determines that the cell ID 00001 is the cell ID corresponding to the pre-stored target base station, and determines that the OBU has entered the range of the electronic fence, that is, confirms that the OBU is at the target position.
  • the AP or the mobile communication module sends an AT command to activate the C-V2X module to the BP. After receiving the AT command, the BP activates the C-V2X module according to the AT command.
  • the AP After the C-V2X module is activated and the ETC transaction is performed, if the AP detects that the C-V2X module sends a transaction completion command to the RSU, it can send an AT command to deactivate the C-V2X module to the BP, so that the C-V2X module can enter the Sleep state, reduce power consumption and increase battery life.
  • multiple base stations that can cover the detection point 13 can be set as target base stations, for example,
  • the cell IDs corresponding to the first base station and the third base station may be simultaneously stored in the memory of the OBU.
  • the vehicle 12 when it is driving, it may first search for the cell ID number corresponding to the first base station 101, activate the C-V2X module, complete the transaction and deactivate the C-V2X module. Then drive into the coverage of the third base station 103, and search for the cell ID corresponding to the third base station, causing the problem of repeated activation.
  • cell IDs covering the same detection point can be grouped. After the OBU completes the transaction, if a cell ID belonging to the same group is searched within a preset time, the search can be ignored and the activation is not performed.
  • the preset time can be calculated according to the radius covered by the base station and the speed limit of the toll road. For example, an LTE base station covers a radius of about 1-3 kilometers. If the speed limit of the toll road is 100KM/h, divide the maximum coverage diameter of the base station by 80% of the speed limit speed, that is, 6KM divided by 80KM/h. Get the preset time should be greater than 4.5 minutes. But not limited to this.
  • the automatic confirmation is described by taking the electronic fence module including the AP and the positioning module as an example.
  • the electronic fence module includes an AP and a positioning module.
  • the positioning module may be a GPS module or a Beidou positioning module.
  • the positioning module is used to obtain the location information of the OBU.
  • the coordinates and radii of multiple electronic fences are pre-stored in the OBU. If the AP determines that the position of the OBU is within the range covered by the pre-stored electronic fence, it determines that the vehicle enters the electronic fence and confirms that the OBU is at the target position.
  • the coordinates 111 of the electronic fence can be set at the center of the detection point 13 , and the radius of the electronic fence can be set according to the speed limit of the toll road and the position of the RSU 11 .
  • the speed limit of the toll road is 100KM/h
  • the RSU11 is set on the detection point 13
  • the radius of the electronic fence can be set to 65 meters ( drive a distance of 3 seconds at 80% of the speed limit).
  • the speed limit can be ignored, and the radius of the electronic fence can be directly set to 20 meters or 50 meters. There is no restriction here.
  • the vehicle 12 shown in FIG. 14 is outside the coverage area 113 of the electronic fence
  • the OBU in the vehicle 12 obtains the positioning information
  • the electronic fence module confirms that the vehicle 12 does not enter the electronic fence according to the positioning information
  • the AP confirms that the vehicle 12 enters the electronic fence according to the positioning information, and confirms that the OBU is at the target position.
  • the AP or the positioning module sends an AT command to activate the C-V2X module to the BP. After receiving the AT command, the BP activates the C-V2X module according to the AT command.
  • the AP After the C-V2X module is activated and the ETC transaction is performed, if the AP detects that the C-V2X module sends a transaction completion command to the RSU, it can send an AT command to deactivate the C-V2X module to the BP, so that the C-V2X module can enter the Sleep state, reduce power consumption and increase battery life.
  • the switch button 1601 for enabling automatic activation of C-V2X is included.
  • the switch button 1601 for enabling automatic activation of C-V2X is included.
  • the switch button 1601 for enabling automatic activation of C-V2X is included.
  • the switch button 1601 in the default setting, after starting the application, if it is not recognized that the toll road has been entered, the automatic activation of C-V2X is disabled. In order to avoid the above-mentioned misoperation.
  • the C-V2X can be automatically activated to implement the method provided in this embodiment.
  • the present application may also provide an implementation manner, in which the OBU needs to include a camera module in addition to the C-V2X module.
  • the camera module may be a camera integrated on the OBU, a driving recorder provided in the vehicle, or a camera provided outside the vehicle, and the like.
  • the form of the camera module is not limited.
  • the camera module is used to obtain images in front of the vehicle.
  • OBU can identify whether there are equipment for ETC in the image, such as monitoring points including RSU, gates at the entrance of toll roads, diversion islands, etc. If detected, confirm that the OBU is in the target position.
  • the BP activates the C-V2X module according to the AT command.
  • FIG. 18 is a frame image obtained by a camera module, which includes a detection point 13 and a plurality of RSUs 11 arranged on the detection point 13 .
  • the OBU can identify whether the device for ETC is included in Figure 18.
  • Figure 18 can be sent to the server, and the server can identify whether there is a device for ETC in the image according to a pre-trained image recognition model.
  • the pre-trained image recognition model can also be integrated into the above-mentioned ETC charging application.
  • the OBU uses the image recognition model provided by the application to identify whether there is a device for ETC in the frame image.
  • the equipment used for ETC is identified in the frame image (as shown in Figure 18, the detection point 13 and multiple RSUs 11 are included), confirm that the OBU is at the target position.
  • the C-V2X module can be activated in the area where C-V2X communication is required, and the C-V2X module can be closed after the transaction is completed. Because it is automatically activated through electronic fence, image recognition and other methods, it can reduce the user's operating frequency, improve the automation degree of the C-V2X module when performing ETC, and effectively reduce the power consumption of the OBU.
  • the ETC transaction between the OBU and the RSU may include a five-interaction scheme or a seven-interaction scheme.
  • Fig. 19 shows a scheme of five interactions.
  • the flow of ETC transaction between OBU and RSU includes:
  • the RSU broadcasts the RSI
  • the OBU establishes a communication connection between the RSU and the OBU, and the OBU receives the RSI sent by the RSU.
  • establishing the communication connection between the RSU and the OBU through the C-V2X module may be performed by means of LTE-V or NR-V. That is, the C-V2X modules of the RSU and OBU access the cellular mobile network through LTE or NR respectively, and then the C-V2X modules between the RSU and OBU communicate through the cellular mobile network.
  • the RSU and the C-V2X module in the OBU can also communicate directly with the help of the V2X protocol, which is not limited here.
  • the RSI includes the information file of the station where the RSU is located. For example, when the RSU is located at the entrance of a toll road, the RSI includes the toll road network number, toll station number, toll lane number, time, traffic status, etc. corresponding to the RSU.
  • the OBU obtains the first verification information from the OBE-SAM according to the received RSI.
  • the OBE-SAM stores vehicle information, key files, transaction record files, etc. corresponding to the OBE.
  • the first verification information obtained by the OBU from the OBE-SAM according to the RSI is the random number Rand1 (OBE) generated according to the key file in the OBE-SAM
  • the first verification information is a random number (Rand1(OBE)) of the OBE acquired by the OBE-SAM according to the RSI.
  • the OBU sends an ACK including the first verification information to the RSU.
  • the RSU acquires the second verification information and the access certificate from the PSAM according to the first verification information.
  • the PSAM is used to verify the legitimacy of the OBU through the first verification information, and if the verification is passed, the second verification information and the access certificate are generated.
  • the second verification information is a random number (Rand2(RSE)) obtained in the PSAM according to the first verification information.
  • the access certificate is used to obtain the permission to read the data in the OBU, and realize the unidirectional authentication of the OBU to the RSU.
  • the RSU sends a charging information request to the OBU, where the charging information request includes the second verification information and the access certificate.
  • the OBU obtains the authentication message and the TAC from the OBE-SAM according to the charging information request.
  • the authentication message is calculated and generated according to the key file in the OBE-SAM. Then obtain TAC from OBE-SAM as the pass certificate according to the charging information.
  • the OBU sends an authentication message, TAC and vehicle information to the RSU.
  • the RSU obtains the verification result of the OBU from the PSAM according to the authentication message, and confirms that the verification of the OBU is passed if the ACK sent by the PSAM is received.
  • the RSU reports the vehicle information and TAC to the server.
  • the RSU sends an MMI request to the OBU.
  • the OBU sends the response result of the MMI request to the RSU.
  • the MMI request is used to instruct the OBU to display the transaction result.
  • the C-V2X module in the smartphone receives the MMI request sent by the RSU.
  • the MMI request may include instructing the C-V2X display to complete the transaction at 15:28:12 sec on July 10, 2020 at the A-high-speed C detection point.
  • the C-V2X module in the smartphone sends the MMI information contained in it to the AP, and the AP displays the received MMI request in the application interface according to the MMI information, and vibrates, plays the prompt tone, etc. way to prompt the user that the transaction has been completed.
  • the AP can send an instruction instructing the deactivation of the C-V2X module to the BP to deactivate the C-V2X module and make it dormant.
  • the RSU sends event report information to the OBU, and the OBU disconnects the communication connection with the RSU.
  • the AP waits for the OBU to confirm that it has received the event report information sent by the RSU, and disconnects the communication connection with the RSU, and then sends an instruction indicating the deactivation of the C-V2X module to the BP. , deactivate the C-V2X module and make it hibernate.
  • the event report information is used to instruct the OBU and the RSU to complete the transaction.
  • Figure 20 shows a scheme of seven interactions.
  • the flow of ETC transaction between OBU and RSU includes:
  • the RSU broadcasts the RSI
  • the OBU establishes a communication connection between the RSU and the OBU, and the OBU receives the RSI sent by the RSU.
  • the OBU obtains the third verification information from the OBE-SAM according to the received RSI.
  • the OBU sends an ACK including the third verification information to the RSU.
  • the RSU obtains the access certificate from the PSAM according to the third verification information.
  • the RSU sends a charging information request to the OBU, where the charging information request includes an access certificate.
  • the OBU confirms from the OBE-SAM that the RSU has the access right of the OBU according to the access certificate.
  • the OBU sends charging response information to the RSU, where the charging information response includes vehicle information.
  • the RSU acquires fourth verification information including billing information from the PSAM according to the vehicle information.
  • the RSU sends an authentication packet acquisition request to the OBU, where the authentication packet acquisition request includes fourth verification information.
  • the OBU generates an authentication message and a TAC according to the fourth verification information.
  • the RSU obtains the verification result of the OBU from the PSAM according to the authentication message, and confirms that the verification of the OBU is passed if the ACK sent by the PSAM is received.
  • the RSU reports the TAC to the server.
  • the RSU sends an MMI request to the OBU.
  • the OBU sends the response result of the MMI request to the RSU.
  • the RSU sends event report information to the OBU, and the OBU disconnects the communication connection with the RSU.
  • the third verification information is equivalent to the first verification information in the five interaction scheme; the fourth verification information is equivalent to the second verification information in the five interaction scheme.
  • the OBU sends a deactivation instruction to the C-V2X module.
  • the C-V2X module in the OBU communicates with the C-V2X module in the RSU to complete the ETC transaction.
  • the OBU sends the deactivated AT command to the C-V2X module.
  • the C-V2X module stops working in response to the deactivation command, and no longer sends and receives C-V2X information.
  • BP deactivates the C-VX2 module according to the received AT command.
  • the C-V2X module is deactivated, and the C-V2X module can be turned off when it is not needed, thereby reducing the power consumption of the OBU and improving the battery life of the OBU.
  • FIG. 21 a schematic flowchart of a C-V2X low power consumption method is shown. Referring to Figure 21, the method includes:
  • the AP, the positioning module or the mobile communication module may send an AT command for activating the C-V2X module to the BP.
  • the BP activates the C-V2X module according to the AT command.
  • the C-V2X module is activated, it starts to receive and send C-V2X information.
  • the C-V2X module responds to the activation command, switches to the activated state, and conducts transactions with the RSU.
  • the C-V2X module and the C-V2X module in the RSU conduct transactions through the V2X protocol, and the transaction process may be the five-time interaction scheme shown in S1801-S1811, or the seven times shown in S1901-S1916.
  • the interaction scheme is not limited here.
  • the OBU when the OBU receives the event report information sent by the RSU, it can confirm that the C-V2X module has completed the transaction.
  • the C-V2X module stops working in response to the deactivation command. At the same time, continue to detect whether the OBU satisfies the preset activation condition.
  • the deactivation instruction sent is the same as that in S35, and details are not repeated here.
  • the OBU detects that the OBU is at the target position, it is determined that the vehicle has approached the area where the ETC transaction needs to be performed.
  • the OBU sends an activation command to the C-V2X module.
  • the C-V2X module switches to the activated state, starts to receive and send C-V2X information, and conduct transactions with RSU.
  • the OBU sends a deactivation instruction to the C-V2X module to stop the C-V2X module from working.
  • the C-V2X module in the OBU wakes up before the transaction with the RSU, stops working after the transaction is completed, and does not need to keep the active state all the time, which can effectively reduce the power consumption of the OBU and improve the battery life of the OBU.
  • FIG. 22 shows a structural block diagram of the C-V2X low power consumption device provided by the embodiment of the present application. Parts related to the embodiments of this application.
  • an embodiment of the present application provides a C-V2X low-power consumption device, which is applied to a first electronic device.
  • the first electronic device supports a C-V2X function, and the device includes:
  • the determining module 221 is configured to activate the C-V2X function of the first electronic device when it is determined that the first electronic device is at the target position.
  • the interaction module 222 is used for the first electronic device to perform data interaction with the second electronic device through the C-V2X protocol.
  • the determining module 221 is further configured to deactivate the C-V2X function of the first electronic device when it is determined that the first electronic device and the second electronic device complete data interaction.
  • the first electronic device includes a control assembly.
  • the determining module 221 is specifically configured to determine that the first electronic device is at the target position if the control component receives a first control operation, wherein the first control operation is used to instruct to activate the C-V2X function of the first electronic device.
  • the first electronic device includes a positioning assembly.
  • the determining module 221 is specifically configured to determine that the first electronic device is at the target location if the positioning component receives the geographic location information located within the preset geographic location range.
  • the first electronic device includes a cellular communication component.
  • the determining module 221 is specifically configured to determine that the first electronic device is at the target position if the base station characteristic information received by the cellular communication component includes the characteristic information of the preset base station.
  • the interaction module 222 is specifically configured to receive roadside information sent by the second electronic device. According to the roadside information, it is confirmed that the second electronic device has the authority to access the first electronic device. An authentication message for indicating the access authority and a transaction verification code for indicating the transaction information are generated, and the authentication message and the transaction verification code are sent to the second electronic device. Receive a human-computer interaction interface request sent by the second electronic device according to the authentication message and the transaction verification code. Responding to the human-computer interaction interface request, and sending the response result of the human-computer interaction interface request to the second electronic device. Receive event report information sent by the second electronic device according to the response result requested by the human-computer interaction interface, where the event report information is used to instruct the first electronic device and the second electronic device to complete data interaction.
  • the determining module 221 is specifically configured to determine that the first electronic device and the second electronic device complete data interaction if the event report information is received.
  • the first electronic device includes a control assembly.
  • the determining module 221 is specifically configured to determine that the first electronic device and the second electronic device complete data interaction if the control component receives a second control operation, wherein the second control operation is used to instruct to deactivate the C- V2X function.
  • the first electronic device includes a positioning assembly.
  • the determining module 221 is specifically configured to determine that the first electronic device and the second electronic device complete data interaction if the positioning component receives geographic location information outside the preset geographic location range.
  • the first electronic device includes a cellular communication component.
  • the determining module 221 is specifically configured to determine that the first electronic device and the second electronic device complete data interaction if the base station feature information received by the cellular communication component does not include the feature information of the preset base station.
  • the first electronic device includes a display component for presenting a display interface.
  • the apparatus further includes a display module 223 for displaying prompt information of activation of the C-V2X function on the display interface.
  • the display module 223 is further configured to display prompt information of data interaction on the display interface.
  • the display module 223 is further configured to display the prompt information of deactivation of the C-V2X function on the display interface.
  • the first electronic device includes a control component, a positioning component, a cellular communication component, and a display component for presenting a display interface.
  • the determining module 221 is specifically configured to determine that the first electronic device is at the target position if the control component receives a first control operation, wherein the first control operation is used to instruct to activate the C-V2X function of the first electronic device; or, if The positioning component determines that the first electronic device is at the target location after receiving the geographic location information within the preset geographic location range; or, if the base station feature information received by the cellular communication component includes the feature information of the preset base station, then determines that the first electronic device is at the target location. The first electronic device is at the target location.
  • the interaction module 222 is specifically configured to receive roadside information sent by the second electronic device. According to the roadside information, it is confirmed that the second electronic device has the authority to access the first electronic device. An authentication message for indicating the access authority and a transaction verification code for indicating the transaction information are generated, and the authentication message and the transaction verification code are sent to the second electronic device. Receive a human-computer interaction interface request sent by the second electronic device according to the authentication message and the transaction verification code. Responding to the human-computer interaction interface request, and sending the response result of the human-computer interaction interface request to the second electronic device. Receive event report information sent by the second electronic device according to the response result requested by the human-computer interaction interface, where the event report information is used to instruct the first electronic device and the second electronic device to complete data interaction.
  • the determining module 221 is specifically configured to determine that the first electronic device and the second electronic device complete data interaction if the event report information is received; or, if the control component receives the second control operation, determine that the first electronic device and the second electronic device The electronic device completes the data interaction, wherein the second control operation is used to instruct to deactivate the C-V2X function of the first electronic device; An electronic device completes data interaction with the second electronic device; or, if the base station feature information received by the cellular communication component does not include the feature information of the preset base station, it is determined that the first electronic device and the second electronic device complete data interaction.
  • the apparatus further includes a display module 223, which is used to display the prompt information of the activation of the C-V2X function on the display interface.
  • the display module 223 is further configured to display prompt information of data interaction on the display interface.
  • the display module 223 is further configured to display prompt information of deactivation of the C-V2X function on the display interface.
  • FIG. 24 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
  • the electronic device 24 of this embodiment includes: at least one processor 241 (only one is shown in FIG. 24 ), a memory 242 , and is stored in the memory 242 and can run on the at least one processor 241
  • the computer program 243 when the processor 241 executes the computer program 243, implements the following C-V2X low power consumption method:
  • the C-V2X function of the electronic device When it is determined that the electronic device is at the target location, the C-V2X function of the electronic device is activated.
  • the electronic device performs data interaction with the second electronic device through the C-V2X protocol.
  • the C-V2X function of the electronic device is deactivated.
  • the first electronic device includes a control assembly.
  • Determining that the first electronic device is at the target position includes: if the control component receives a first control operation, determining that the first electronic device is at the target position, wherein the first control operation is used to instruct to activate the C-V2X function of the first electronic device.
  • the first electronic device includes a positioning assembly.
  • Determining that the first electronic device is at the target location includes: if the positioning component receives geographic location information within a preset geographic location range, determining that the first electronic device is at the target location.
  • the first electronic device includes a cellular communication component.
  • Determining that the first electronic device is at the target position includes: if the base station characteristic information received by the cellular communication component includes characteristic information of a preset base station, determining that the first electronic device is at the target position.
  • the first electronic device performs data interaction with the second electronic device through the C-V2X protocol, including: receiving roadside information sent by the second electronic device. According to the roadside information, it is confirmed that the second electronic device has the authority to access the first electronic device. An authentication message for indicating the access authority and a transaction verification code for indicating the transaction information are generated, and the authentication message and the transaction verification code are sent to the second electronic device.
  • the human-machine interface request sent by the second electronic device according to the authentication message and the transaction verification code is received.
  • Responding to the human-computer interaction interface request and sending the response result of the human-computer interaction interface request to the second electronic device.
  • determining that the first electronic device and the second electronic device complete the data interaction includes: if the event report information is received, determining that the first electronic device and the second electronic device complete the data interaction.
  • the first electronic device includes a control assembly.
  • Determining that the first electronic device and the second electronic device complete data interaction includes: if the control component receives a second control operation, determining that the first electronic device and the second electronic device complete data interaction, wherein the second control operation is used to indicate The C-V2X function of the first electronic device is deactivated.
  • the first electronic device includes a positioning assembly.
  • Determining that the first electronic device and the second electronic device complete data interaction includes: if the positioning component receives geographic location information outside a preset geographic location range, determining that the first electronic device and the second electronic device complete data interaction.
  • the first electronic device includes a cellular communication component.
  • Determining that the first electronic device and the second electronic device complete the data interaction includes: if the base station characteristic information received by the cellular communication component does not include the characteristic information of the preset base station, determining that the first electronic device and the second electronic device complete the data interaction .
  • the first electronic device includes a display component for presenting a display interface.
  • the method further includes: displaying prompt information of activation of the C-V2X function on the display interface.
  • the method when the first electronic device performs data interaction with the second electronic device through the C-V2X protocol, the method further includes: displaying prompt information of the data interaction on the display interface.
  • the method further includes:
  • the first electronic device includes a control component, a positioning component, a cellular communication component, and a display component for presenting a display interface.
  • Determining that the first electronic device is at the target position includes: if the control component receives a first control operation, determining that the first electronic device is at the target position, wherein the first control operation is used to instruct activation of the C-V2X function of the first electronic device; Or, if the positioning component receives the geographic location information located within the preset geographic location range, it is determined that the first electronic device is at the target location; or, if the base station feature information received by the cellular communication component includes the feature information of the preset base station , it is determined that the first electronic device is at the target position.
  • the first electronic device performs data interaction with the second electronic device through the C-V2X protocol, including: receiving roadside information sent by the second electronic device. According to the roadside information, it is confirmed that the second electronic device has the authority to access the first electronic device. An authentication message for indicating the access authority and a transaction verification code for indicating the transaction information are generated, and the authentication message and the transaction verification code are sent to the second electronic device. Receive a human-computer interaction interface request sent by the second electronic device according to the authentication message and the transaction verification code. Responding to the human-computer interaction interface request, and sending the response result of the human-computer interaction interface request to the second electronic device. Receive event report information sent by the second electronic device according to the response result requested by the human-computer interaction interface, where the event report information is used to instruct the first electronic device and the second electronic device to complete data interaction.
  • Determining that the first electronic device and the second electronic device complete the data interaction includes: if the event report information is received, determining that the first electronic device and the second electronic device complete the data interaction; or, if the control component receives the second control operation, Then it is determined that the first electronic device and the second electronic device complete data interaction, wherein the second control operation is used to instruct to deactivate the C-V2X function of the first electronic device; other than the geographic location information, then it is determined that the first electronic device and the second electronic device complete data interaction; or, if the feature information of the base station received by the cellular communication component does not include the feature information of the preset base station, then it is determined that the first electronic device and the second electronic device have completed data interaction; The second electronic device completes the data interaction.
  • the method further includes: displaying prompt information of activation of the C-V2X function on the display interface.
  • the method further includes: displaying prompt information of the data interaction on the display interface.
  • the method further includes: displaying prompt information of deactivation of the C-V2X function on the display interface.
  • the electronic device 24 may be a computing device such as a desktop computer, a notebook, a palmtop computer, and a cloud server.
  • the electronic device 24 may include, but is not limited to, a processor 241 and a memory 242 .
  • FIG. 24 is only an example of the electronic device 24, and does not constitute a limitation to the electronic device 24. It may include more or less components than the one shown, or combine some components, or different components , for example, may also include input and output devices, network access devices, and the like.
  • the so-called processor 241 may be a central processing unit (Central Processing Unit, CPU), and the processor 241 may also be other general-purpose processors, digital signal processors (Digital Signal Processors, DSP), application specific integrated circuits (Application Specific Integrated Circuits) , ASIC), off-the-shelf programmable gate array (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc.
  • a general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • Memory 242 may in some embodiments be an internal storage unit of electronic device 24 , such as a hard disk or memory of electronic device 24 .
  • the memory 242 may also be an external storage device of the electronic device 24 in other embodiments, such as a plug-in hard disk, a smart memory card (Smart Media Card, SMC), a secure digital (Secure Digital, SD) equipped on the electronic device 24 card, Flash Card, etc.
  • the memory 242 may also include both an internal storage unit of the electronic device 24 and an external storage device.
  • the memory 242 is used to store an operating system, an application program, a boot loader (Boot Loader), data, and other programs, such as program codes of computer programs, and the like.
  • the memory 242 may also be used to temporarily store data that has been or will be output.
  • An embodiment of the present application provides a chip system, and the chip system is applied to an electronic device. It is characterized in that the chip system includes at least one processor, at least one interface circuit, and a C-V2X chip, the processor, the interface circuit, and the C-V2X chip.
  • the V2X chips are interconnected through lines.
  • the processor receives and executes computer instructions from the electronic device through the interface circuit to realize the following C-V2X low power consumption method: Response
  • the activation command sent when the electronic device is at the target position activates the C-V2X chip and realizes the C-V2X function of the electronic device.
  • performing data interaction with the second electronic device through the C-V2X protocol includes: receiving roadside information sent by the second electronic device. According to the roadside information, it is confirmed that the second electronic device has the authority to access the electronic device. An authentication message for indicating the access authority and a transaction verification code for indicating transaction information are generated, and the authentication message and the transaction verification code are sent to the second electronic device.
  • Embodiments of the present application further provide a computer-readable storage medium, where the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the steps in the foregoing method embodiments can be implemented.
  • the embodiments of the present application provide a computer program product, when the computer program product runs on a mobile terminal, the steps in the foregoing method embodiments can be implemented when the mobile terminal executes the computer program product.
  • the integrated unit if implemented as a software functional unit and sold or used as a stand-alone product, may be stored in a computer-readable storage medium.
  • all or part of the processes in the methods of the above embodiments can be implemented by a computer program to instruct the relevant hardware.
  • the computer program can be stored in a computer-readable storage medium, and the computer program can be processed When the device is executed, the steps of the foregoing method embodiments may be implemented.
  • the computer program includes computer program code, and the computer program code may be in the form of source code, object code, executable file or some intermediate forms, and the like.
  • the computer-readable medium may include at least: any entity or device capable of carrying computer program codes to an electronic device, a recording medium, a computer memory, a read-only memory (ROM, Read-Only Memory), a random access memory (RAM, Random Access). Memory), electrical carrier signals, telecommunications signals, and software distribution media.
  • ROM read-only memory
  • RAM random access memory
  • Memory electrical carrier signals
  • telecommunications signals and software distribution media.
  • computer readable media may not be electrical carrier signals and telecommunications signals.
  • the disclosed method, apparatus and electronic device may be implemented in other manners.
  • the above-described embodiments of the method, apparatus, and electronic device are only illustrative.
  • the division of modules or units is only a logical function division. In actual implementation, there may be other division methods, such as multiple units. Or components may be combined or may be integrated into another system, or some features may be omitted, or not implemented.
  • the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical, mechanical or other forms.
  • Units described as separate components may or may not be physically separated, and components shown as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.

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Abstract

本申请适用于终端领域，提供了一种C-V2X的低功耗方法、电子设备及芯片***，应用于第一电子设备，第一电子设备支持C-V2X功能，该方法包括：当确定第一电子设备处于目标位置时，激活第一电子设备的C-V2X功能。第一电子设备通过C-V2X协议与第二电子设备进行数据交互。当确定第一电子设备与第二电子设备完成数据交互时，去激活第一电子设备的C-V2X功能。由于第一电子设备的C-V2X功能仅在目标位置开启，且完成数据交互后，去激活C-V2X功能，为C-V2X功能提供了有效地低功耗模式。使得第一电子设备中的C-V2X功能仅在需要进行数据交互时开启，有效的降低了第一电子设备的功耗，增强了续航。

Description

C-V2X的低功耗方法、电子设备及芯片***
本申请要求于2020年08月17日提交国家知识产权局、申请号为202010834815.5、申请名称为“C-V2X的低功耗方法、电子设备及芯片***”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
本申请涉及终端领域，尤其涉及一种C-V2X的低功耗方法、电子设备及芯片***。
背景技术
为了提升收费道路的收费电子化，从而提升收费效率和道路通行效率。各国都逐步采用了道路电子收费(Electronic Toll Collection，ETC)作为收费道路的收费手段。
目前，第三代伙伴项目(3rd Generation Partnership Project，3GPP)提供了应用于ETC的蜂窝车用无线通讯(Cellular Vehicle-To-everything，C-V2X)技术。相对于传统的ETC，C-V2X从技术和业务演进都更具优势。在全球范围内，已陆续开始支持通过C-V2X实现ETC。
现有的C-V2X模块应用于ETC时，需要保持C-V2X模块始终处于工作状态，以发送和接收C-V2X信息。由于C-V2X模块设置于车载单元(On board Unit，OBU)内，C-V2X模块始终处于工作状态会导致OBU的功耗增高，影响OBU的续航。
发明内容
本申请实施例提供了一种C-V2X的低功耗方法、电子设备及芯片***。可以改善由于C-V2X模块始终处于工作状态导致OBU的功耗增高，影响OBU的续航的问题。
第一方面，本申请实施例提供了一种C-V2X的低功耗方法，应用于第一电子设备，第一电子设备支持C-V2X功能，该方法包括：
当确定第一电子设备处于目标位置时，激活第一电子设备的C-V2X功能。第一电子设备通过C-V2X协议与第二电子设备进行数据交互。当确定第一电子设备与第二电子设备完成数据交互时，去激活第一电子设备的C-V2X功能。
其中，第一电子设备可以是OBU。OBU为具备C-V2X功能的终端设备，如车载设备(On Board Equipment，OBE)、有C-V2X功能的智能手机、平板电脑、可穿戴设备、定制终端等。第二电子设备则可以是路边单元(Road Side Unit，RSU)，OBU与RSU进行数据交互时，可以完成ETC交易。C-V2X功能可通过C-V2X芯片实现，C-V2X芯片可集成于第一电子设备内的基带处理器(Baseband Processor，BP)中。激活第一电子设备的C-V2X功能指的是令BP中的C-V2X芯片开始工作，即C-V2X芯片开始接收和发送数据。类似的，去激活第一电子设备的C-V2X功能则指的是令BP中的C-V2X芯片停止工作，即C-V2X芯片不再接收和发送数据。
在第一方面中，通过在确定第一电子设备处于目标位置时，激活第一电子设备的C-V2X功能。然后，第一电子设备通过C-V2X协议与第二电子设备进行数据交互。最后，当确定第一电子设备与第二电子设备完成数据交互时，去激活第一电子设备的C-V2X功能。由于第一电子设备的C-V2X功能仅在目标位置开启，且完成数据交互后，去激活C-V2X功能，为C-V2X功能提供了有效地低功耗模式。使得第一电子设备中的C-V2X功能仅在需要进行数据交互时开启，有效的降低了第一电子设备的功耗，增强了续航。
一些实施方式中，第一电子设备包括控制组件。
确定第一电子设备处于目标位置包括：若控制组件接收到第一控制操作，则确定第一电子设备处于目标位置，其中，第一控制操作用于指示激活第一电子设备的C-V2X功能。
其中，第一控制操作可以是手动开启C-V2X功能的操作，如点击第一电子设备上的预设区域，或者按压预设的C-V2X功能开启按钮等。通过第一控制操作可以人工指示第一电子设备处于目标位置，更加准确地进行低功耗控制。
一些实施方式中，第一电子设备包括定位组件。
确定第一电子设备处于目标位置包括：若定位组件接收到位于预设的地理位置范围内的地理位置信息，则确定第一电子设备处于目标位置。
其中，定位组件可以是北斗定位模块或者全球定位***(Global Positioning System，GPS)模块，根据定位组件提供的第一电子设备的地理位置信息，以及预设的地理位置范围，确定第一电子设备处于目标位置，可以自动确定第一电子设备处于目标位置，更加灵活地进行低功耗控制。
一些实施方式中，第一电子设备包括蜂窝通信组件。
确定第一电子设备处于目标位置包括：若蜂窝通信组件接收到的基站特征信息中包括预设基站的特征信息，则确定第一电子设备处于目标位置。
其中，蜂窝通信组件可以是全球移动通讯***(Global System of Mobile communication，GSM)、通用分组无线服务(General Packet Radio Service，GPRS)、码分多址(Code Division Multiple Access，CDMA)、宽带码分多址(Wideband Code Division Multiple Access,WCDMA)、长期演进(Long Term Evolution，LTE)、时分复用WCDMA(Time-Division WCDMA，TD-WCDMA)、时分复用LTE(Time-Division LTE，TD-LTE)、第五代新无线(the 5th generation New Radio，5G NR)等。若蜂窝通信组件接收到的基站特征信息中包括预设基站的特征信息，则确定第一电子设备处于目标位置，可以自动确定第一电子设备处于目标位置，更加灵活地进行低功耗控制。
一些实施方式中，第一电子设备通过C-V2X协议与第二电子设备进行数据交互，包括：接收第二电子设备发送的路侧信息。根据路侧信息，确认第二电子设备具有访问第一电子设备的权限。生成用于指示访问权限的鉴别报文和用于指示交易信息的交易验证码，并将鉴别报文和交易验证码发送给第二电子设备。接收第二电子设备根据鉴别报文和交易验证码发送的人机交互界面请求。响应人机交互界面请求，并向第二电子设备发送人机交互界面请求的响应结果。接收第二电子设备根据人机交互界面请求的响应结果发送的事件报告信息，事件报告信息用于指示第一电子设备与第二电子 设备完成数据交互。
其中，第一电子设备通过C-V2X协议与第二电子设备进行数据交互，可以完成ETC交易，即第一电子设备设置于交通工具上，该交通工具行驶在收费道路上时，可通过第一电子设备的C-V2X功能进行ETC交易，完成缴费。
一些实施方式中，确定第一电子设备与第二电子设备完成数据交互，包括：若接收到事件报告信息，则确定第一电子设备与第二电子设备完成数据交互。
一些实施方式中，第一电子设备包括控制组件。
确定第一电子设备与第二电子设备完成数据交互，包括：若控制组件接收到第二控制操作，则确定第一电子设备与第二电子设备完成数据交互，其中，第二控制操作用于指示去激活第一电子设备的C-V2X功能。
一些实施方式中，第一电子设备包括定位组件。
确定第一电子设备与第二电子设备完成数据交互，包括：若定位组件接收到位于预设的地理位置范围外的地理位置信息，则确定第一电子设备与第二电子设备完成数据交互。
一些实施方式中，第一电子设备包括蜂窝通信组件。
确定第一电子设备与第二电子设备完成数据交互，包括：若蜂窝通信组件接收到的基站特征信息中不包括预设基站的特征信息，则确定第一电子设备与第二电子设备完成数据交互。
一些实施方式中，第一电子设备包括用于展示显示界面的显示组件。
在激活第一电子设备的C-V2X功能之后，方法还包括：在显示界面上展示C-V2X功能激活的提示信息。
一些实施方式中，在第一电子设备通过C-V2X协议与第二电子设备进行数据交互时，方法还包括：在显示界面上展示数据交互的提示信息。
一些实施方式中，在去激活第一电子设备的C-V2X功能之后，方法还包括：
在显示界面上展示C-V2X功能去激活的提示信息。
一些实施方式中，第一电子设备包括控制组件、定位组件、蜂窝通信组件和用于展示显示界面的显示组件。
确定第一电子设备处于目标位置包括：若控制组件接收到第一控制操作，则确定第一电子设备处于目标位置，其中，第一控制操作用于指示激活第一电子设备的C-V2X功能；或，若定位组件接收到位于预设的地理位置范围内的地理位置信息，则确定第一电子设备处于目标位置；或，若蜂窝通信组件接收到的基站特征信息中包括预设基站的特征信息，则确定第一电子设备处于目标位置。
第一电子设备通过C-V2X协议与第二电子设备进行数据交互，包括：接收第二电子设备发送的路侧信息。根据路侧信息，确认第二电子设备具有访问第一电子设备的权限。生成用于指示访问权限的鉴别报文和用于指示交易信息的交易验证码，并将鉴别报文和交易验证码发送给第二电子设备。接收第二电子设备根据鉴别报文和交易验证码发送的人机交互界面请求。响应人机交互界面请求，并向第二电子设备发送人机交互界面请求的响应结果。接收第二电子设备根据人机交互界面请求的响应结果发送的事件报告信息，事件报告信息用于指示第一电子设备与第二电子设备完成数据交互。
确定第一电子设备与第二电子设备完成数据交互，包括：若接收到事件报告信息，则确定第一电子设备与第二电子设备完成数据交互；或，若控制组件接收到第二控制操作，则确定第一电子设备与第二电子设备完成数据交互，其中，第二控制操作用于指示去激活第一电子设备的C-V2X功能；或，若定位组件接收到位于预设的地理位置范围外的地理位置信息，则确定第一电子设备与第二电子设备完成数据交互；或，若蜂窝通信组件接收到的基站特征信息中不包括预设基站的特征信息，则确定第一电子设备与第二电子设备完成数据交互。
在激活第一电子设备的C-V2X功能之后，方法还包括：在显示界面上展示C-V2X功能激活的提示信息。
在第一电子设备通过C-V2X协议与第二电子设备进行数据交互时，方法还包括：在显示界面上展示数据交互的提示信息。
在去激活第一电子设备的C-V2X功能之后，方法还包括：在显示界面上展示C-V2X功能去激活的提示信息。
第二方面，本申请实施例提供了一种C-V2X的低功耗装置，应用于第一电子设备，第一电子设备支持C-V2X功能，该装置包括：
确定模块，用于当确定第一电子设备处于目标位置时，激活第一电子设备的C-V2X功能。交互模块，用于第一电子设备通过C-V2X协议与第二电子设备进行数据交互。确定模块，还用于当确定第一电子设备与第二电子设备完成数据交互时，去激活第一电子设备的C-V2X功能。
一些实施方式中，第一电子设备包括控制组件。
确定模块，具体用于若控制组件接收到第一控制操作，则确定第一电子设备处于目标位置，其中，第一控制操作用于指示激活第一电子设备的C-V2X功能。
一些实施方式中，第一电子设备包括定位组件。
确定模块，具体用于若定位组件接收到位于预设的地理位置范围内的地理位置信息，则确定第一电子设备处于目标位置。
一些实施方式中，第一电子设备包括蜂窝通信组件。
确定模块，具体用于若蜂窝通信组件接收到的基站特征信息中包括预设基站的特征信息，则确定第一电子设备处于目标位置。
一些实施方式中，交互模块，具体用于接收第二电子设备发送的路侧信息。根据路侧信息，确认第二电子设备具有访问第一电子设备的权限。生成用于指示访问权限的鉴别报文和用于指示交易信息的交易验证码，并将鉴别报文和交易验证码发送给第二电子设备。接收第二电子设备根据鉴别报文和交易验证码发送的人机交互界面请求。响应人机交互界面请求，并向第二电子设备发送人机交互界面请求的响应结果。接收第二电子设备根据人机交互界面请求的响应结果发送的事件报告信息，事件报告信息用于指示第一电子设备与第二电子设备完成数据交互。
一些实施方式中，确定模块，具体用于若接收到事件报告信息，则确定第一电子设备与第二电子设备完成数据交互。
一些实施方式中，第一电子设备包括控制组件。
确定模块，具体用于若控制组件接收到第二控制操作，则确定第一电子设备与第 二电子设备完成数据交互，其中，第二控制操作用于指示去激活第一电子设备的C-V2X功能。
一些实施方式中，第一电子设备包括定位组件。
确定模块，具体用于若定位组件接收到位于预设的地理位置范围外的地理位置信息，则确定第一电子设备与第二电子设备完成数据交互。
一些实施方式中，第一电子设备包括蜂窝通信组件。
确定模块，具体用于若蜂窝通信组件接收到的基站特征信息中不包括预设基站的特征信息，则确定第一电子设备与第二电子设备完成数据交互。
一些实施方式中，第一电子设备包括用于展示显示界面的显示组件。
该装置还包括展示模块，用于在显示界面上展示C-V2X功能激活的提示信息。
一些实施方式中，展示模块，还用于在显示界面上展示数据交互的提示信息。
一些实施方式中，展示模块，还用于在显示界面上展示C-V2X功能去激活的提示信息。
一些实施方式中，第一电子设备包括控制组件、定位组件、蜂窝通信组件和用于展示显示界面的显示组件。
确定模块，具体用于若控制组件接收到第一控制操作，则确定第一电子设备处于目标位置，其中，第一控制操作用于指示激活第一电子设备的C-V2X功能；或，若定位组件接收到位于预设的地理位置范围内的地理位置信息，则确定第一电子设备处于目标位置；或，若蜂窝通信组件接收到的基站特征信息中包括预设基站的特征信息，则确定第一电子设备处于目标位置。
交互模块，具体用于接收第二电子设备发送的路侧信息。根据路侧信息，确认第二电子设备具有访问第一电子设备的权限。生成用于指示访问权限的鉴别报文和用于指示交易信息的交易验证码，并将鉴别报文和交易验证码发送给第二电子设备。接收第二电子设备根据鉴别报文和交易验证码发送的人机交互界面请求。响应人机交互界面请求，并向第二电子设备发送人机交互界面请求的响应结果。接收第二电子设备根据人机交互界面请求的响应结果发送的事件报告信息，事件报告信息用于指示第一电子设备与第二电子设备完成数据交互。
确定模块，具体用于若接收到事件报告信息，则确定第一电子设备与第二电子设备完成数据交互；或，若控制组件接收到第二控制操作，则确定第一电子设备与第二电子设备完成数据交互，其中，第二控制操作用于指示去激活第一电子设备的C-V2X功能；或，若定位组件接收到位于预设的地理位置范围外的地理位置信息，则确定第一电子设备与第二电子设备完成数据交互；或，若蜂窝通信组件接收到的基站特征信息中不包括预设基站的特征信息，则确定第一电子设备与第二电子设备完成数据交互。
该装置还包括展示模块，用于在显示界面上展示C-V2X功能激活的提示信息。
展示模块，还用于在显示界面上展示数据交互的提示信息。
展示模块，还用于在显示界面上展示C-V2X功能去激活的提示信息。
第三方面，本申请实施例提供了一种电子设备，包括存储器、处理器以及存储在所述存储器中并可在所述处理器上运行的计算机程序，其特征在于，所述电子设备支持C-V2X功能，所述处理器执行所述计算机程序时实现以下的C-V2X的低功耗方法：
当确定所述电子设备处于目标位置时，激活所述电子设备的C-V2X功能。所述电子设备通过C-V2X协议与第二电子设备进行数据交互。当确定所述电子设备与所述第二电子设备完成数据交互时，去激活所述电子设备的C-V2X功能。
一些实施方式中，第一电子设备包括控制组件。
确定第一电子设备处于目标位置包括：若控制组件接收到第一控制操作，则确定第一电子设备处于目标位置，其中，第一控制操作用于指示激活第一电子设备的C-V2X功能。
一些实施方式中，第一电子设备包括定位组件。
确定第一电子设备处于目标位置包括：若定位组件接收到位于预设的地理位置范围内的地理位置信息，则确定第一电子设备处于目标位置。
一些实施方式中，第一电子设备包括蜂窝通信组件。
确定第一电子设备处于目标位置包括：若蜂窝通信组件接收到的基站特征信息中包括预设基站的特征信息，则确定第一电子设备处于目标位置。
一些实施方式中，第一电子设备通过C-V2X协议与第二电子设备进行数据交互，包括：接收第二电子设备发送的路侧信息。根据路侧信息，确认第二电子设备具有访问第一电子设备的权限。生成用于指示访问权限的鉴别报文和用于指示交易信息的交易验证码，并将鉴别报文和交易验证码发送给第二电子设备。接收第二电子设备根据鉴别报文和交易验证码发送的人机交互界面请求。响应人机交互界面请求，并向第二电子设备发送人机交互界面请求的响应结果。接收第二电子设备根据人机交互界面请求的响应结果发送的事件报告信息，事件报告信息用于指示第一电子设备与第二电子设备完成数据交互。
一些实施方式中，确定第一电子设备与第二电子设备完成数据交互，包括：若接收到事件报告信息，则确定第一电子设备与第二电子设备完成数据交互。
一些实施方式中，第一电子设备包括控制组件。
确定第一电子设备与第二电子设备完成数据交互，包括：若控制组件接收到第二控制操作，则确定第一电子设备与第二电子设备完成数据交互，其中，第二控制操作用于指示去激活第一电子设备的C-V2X功能。
一些实施方式中，第一电子设备包括定位组件。
确定第一电子设备与第二电子设备完成数据交互，包括：若定位组件接收到位于预设的地理位置范围外的地理位置信息，则确定第一电子设备与第二电子设备完成数据交互。
一些实施方式中，第一电子设备包括蜂窝通信组件。
确定第一电子设备与第二电子设备完成数据交互，包括：若蜂窝通信组件接收到的基站特征信息中不包括预设基站的特征信息，则确定第一电子设备与第二电子设备完成数据交互。
一些实施方式中，第一电子设备包括用于展示显示界面的显示组件。
在激活第一电子设备的C-V2X功能之后，方法还包括：在显示界面上展示C-V2X功能激活的提示信息。
一些实施方式中，在第一电子设备通过C-V2X协议与第二电子设备进行数据交互 时，方法还包括：在显示界面上展示数据交互的提示信息。
一些实施方式中，在去激活第一电子设备的C-V2X功能之后，方法还包括：
在显示界面上展示C-V2X功能去激活的提示信息。
一些实施方式中，第一电子设备包括控制组件、定位组件、蜂窝通信组件和用于展示显示界面的显示组件。
确定第一电子设备处于目标位置包括：若控制组件接收到第一控制操作，则确定第一电子设备处于目标位置，其中，第一控制操作用于指示激活第一电子设备的C-V2X功能；或，若定位组件接收到位于预设的地理位置范围内的地理位置信息，则确定第一电子设备处于目标位置；或，若蜂窝通信组件接收到的基站特征信息中包括预设基站的特征信息，则确定第一电子设备处于目标位置。
第一电子设备通过C-V2X协议与第二电子设备进行数据交互，包括：接收第二电子设备发送的路侧信息。根据路侧信息，确认第二电子设备具有访问第一电子设备的权限。生成用于指示访问权限的鉴别报文和用于指示交易信息的交易验证码，并将鉴别报文和交易验证码发送给第二电子设备。接收第二电子设备根据鉴别报文和交易验证码发送的人机交互界面请求。响应人机交互界面请求，并向第二电子设备发送人机交互界面请求的响应结果。接收第二电子设备根据人机交互界面请求的响应结果发送的事件报告信息，事件报告信息用于指示第一电子设备与第二电子设备完成数据交互。
确定第一电子设备与第二电子设备完成数据交互，包括：若接收到事件报告信息，则确定第一电子设备与第二电子设备完成数据交互；或，若控制组件接收到第二控制操作，则确定第一电子设备与第二电子设备完成数据交互，其中，第二控制操作用于指示去激活第一电子设备的C-V2X功能；或，若定位组件接收到位于预设的地理位置范围外的地理位置信息，则确定第一电子设备与第二电子设备完成数据交互；或，若蜂窝通信组件接收到的基站特征信息中不包括预设基站的特征信息，则确定第一电子设备与第二电子设备完成数据交互。
在激活第一电子设备的C-V2X功能之后，方法还包括：在显示界面上展示C-V2X功能激活的提示信息。
在第一电子设备通过C-V2X协议与第二电子设备进行数据交互时，方法还包括：在显示界面上展示数据交互的提示信息。
在去激活第一电子设备的C-V2X功能之后，方法还包括：在显示界面上展示C-V2X功能去激活的提示信息。
第四方面，本申请实施例提供了一种芯片***，芯片***应用于电子设备，其特征在于，芯片***内包括至少一个处理器、至少一个接口电路、以及C-V2X芯片，处理器、接口电路以及C-V2X芯片通过线路互联，C-V2X芯片激活时用于实现电子设备的C-V2X功能，处理器通过接口电路从电子设备接收并执行计算机指令以实现以下的C-V2X的低功耗方法：响应电子设备处于目标位置时发送的激活指令，激活C-V2X芯片，实现电子设备的C-V2X功能。响应电子设备发送的数据交互指令，通过C-V2X协议与第二电子设备进行数据交互。响应电子设备在确定电子设备与第二电子设备完成数据交互时发送的去激活指令，去激活C-V2X芯片。
一些实施方式中，响应电子设备发送的数据交互指令，通过C-V2X协议与第二 电子设备进行数据交互，包括：接收第二电子设备发送的路侧信息。根据路侧信息，确认第二电子设备具有访问电子设备的权限。生成用于指示访问权限的鉴别报文和用于指示交易信息的交易验证码，并将鉴别报文和交易验证码发送给第二电子设备。接收第二电子设备根据鉴别报文和交易验证码发送的人机交互界面请求。响应人机交互界面请求，并向第二电子设备发送人机交互界面请求的响应结果。接收第二电子设备根据人机交互界面请求的响应结果发送的事件报告信息，事件报告信息用于指示电子设备与第二电子设备完成数据交互。
第五方面，本申请实施例提供了一种计算机可读存储介质，计算机可读存储介质存储有计算机程序，计算机程序被处理器执行时实现可实现上述各个方面实施例中的方法步骤。
第六方面，本申请实施例提供了一种计算机程序产品，当计算机程序产品在终端设备上运行时，使得终端设备执行上述各个方面实施例中的方法步骤。
可以理解的是，上述第二方面至第六方面的有益效果可以参见上述第一方面中的相关描述，在此不再赘述。
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图1为一种C-V2X的低功耗方法的应用场景示意图；
图2为本申请一实施例提供的C-V2X的低功耗方法的应用场景示意图；
图3为本申请实施例提供的OBU的结构示意图；
图4为本申请一实施例提供的C-V2X的低功耗方法的流程示意图；
图5为本申请另一实施例提供的C-V2X的低功耗方法的流程示意图；
图6为本申请另一实施例提供的C-V2X的低功耗方法的应用场景示意图；
图7为本申请一实施例提供的OBU实现的C-V2X的低功耗方法的场景示意图；
图8为本申请另一实施例提供的OBU实现的C-V2X的低功耗方法的场景示意图；
图9为本申请另一实施例提供的OBU实现的C-V2X的低功耗方法的场景示意图；
图10为本申请另一实施例提供的OBU实现的C-V2X的低功耗方法的场景示意图；
图11为本申请另一实施例提供的OBU实现的C-V2X的低功耗方法的场景示意图；
图12为本申请另一实施例提供的OBU实现的C-V2X的低功耗方法的场景示意图；
图13为本申请另一实施例提供的OBU实现的C-V2X的低功耗方法的场景示意图；
图14为本申请另一实施例提供的OBU实现的C-V2X的低功耗方法的场景示意图；
图15为本申请另一实施例提供的OBU实现的C-V2X的低功耗方法的场景示意图；
图16为本申请另一实施例提供的OBU实现的C-V2X的低功耗方法的场景示意图；
图17为本申请另一实施例提供的OBU实现的C-V2X的低功耗方法的场景示意图；
图18为本申请另一实施例提供的OBU实现的C-V2X的低功耗方法的场景示意图；
图19为本申请一实施例提供的C-V2X的低功耗方法应用于ETC时的信令图；
图20为本申请一实施例提供的C-V2X的低功耗方法应用于ETC时的信令图；
图21为本申请另一实施例提供的C-V2X的低功耗方法的流程示意图；
图22为本申请一实施例提供的C-V2X的低功耗装置的结构示意图；
图23为本申请另一实施例提供的C-V2X的低功耗装置的结构示意图；
图24为本申请一实施例提供的电子设备的结构示意图。
具体实施方式
以下描述中，为了说明而不是为了限定，提出了诸如特定***结构、技术之类的具体细节，以便透彻理解本申请实施例。然而，本领域的技术人员应当清楚，在没有这些具体细节的其它实施例中也可以实现本申请。在其它情况中，省略对众所周知的***、装置、电路以及方法的详细说明，以免不必要的细节妨碍本申请的描述。
应当理解，当在本申请说明书和所附权利要求书中使用时，术语“包括”指示所描述特征、整体、步骤、操作、元素和/或组件的存在，但并不排除一个或多个其它特征、整体、步骤、操作、元素、组件和/或其集合的存在或添加。
还应当理解，在本申请说明书和所附权利要求书中使用的术语“和/或”是指相关联列出的项中的一个或多个的任何组合以及所有可能组合，并且包括这些组合。
如在本申请说明书和所附权利要求书中所使用的那样，术语“如果”可以依据上下文被解释为“当...时”或“一旦”或“响应于确定”或“响应于检测到”。类似地，短语“如果确定”或“如果检测到”可以依据上下文被解释为意指“一旦确定”或“响应于确定”或“一旦检测到”或“响应于检测到”。
另外，在本申请说明书和所附权利要求书的描述中，术语“第一”、“第二”、“第三”等仅用于区分描述，而不能理解为指示或暗示相对重要性。
在本申请说明书中描述的参考“一个实施方式”或“一些实施方式”等意味着在本申请的一个或多个实施方式中包括结合该实施方式描述的特定特征、结构或特点。由此，在本说明书中的不同之处出现的语句“在一个实施方式中”、“在一些实施方式中”、“在其他一些实施方式中”、“在另外一些实施方式中”等不是必然都参考相同的实施方式，而是意味着“一个或多个但不是所有的实施方式”，除非是以其他方式另外特别强调。
图1示出了一种蜂窝车用无线通讯模块的激活方法的应用场景示意图。
在图1示出的场景中，ETC是通过C-V2X实现计费、收费的。
请参考图1，其中包括支持C-V2X的RSU11、具有支持C-V2X的OBU的车辆12。RSU11和OBU12在进行ETC交易时，是通过基于车联网(Vehicle-To-everything，V2X)协议的信息(C-V2X信息)进行交互的。ETC交易包括ETC计费和ETC收费。例如，当车辆经过收费道路的入口14时、或者设置在收费道路上的检测点13时，进行ETC计费；当车辆经过收费道路的出口15时，进行ETC收费。进行计费包括根据车辆12经过的收费道路入口14与经过的检测点13的距离、对应收费道路的收费费率，计算车辆12的同行费用。而收费则是根据车辆12经过的收费道路入口14、经过的检测点13以及收费道路出口15之间的距离和对应收费道路的收费费率，计算得到车辆的通行费用，并进行扣费。
例如，假设车辆行驶进入高速公路后，从高速公路入口的收费站到第一检测点之间的距离为15公里，收费费率为0.4元/公里。第一检测点到第二检测点之间的距离为20公里，收费费率为0.5元/公里。第二检测点到高速公路出口的收费站之间的距离为10公里，收费费率为0.6元/公里。则在第一检测点进行计费时，通行费用为6元。在第二检测点进行计费时，通行费用为从高速公路入口到第二检测点之间的通行费用之 和，即10元+6元＝16元。最后，在高速公路出口进行收费时，计算并扣取的通行费用为高速公路入口到高速公路出口之间的通行费用之和，即10元+6元+6元＝22元。
RSU11可以设置在收费道路的入口14处、检测点13处以及收费道路的出口15处。其中，收费道路可以是如国道、高速公路、跨海大桥等收取通行费用的道路。检测点13用于对经过检测点13的车辆12进行计费。例如，当车辆12行驶过检测点13时，车辆12内的OBU和检测点13上设置的RSU11进行交互，对车辆12进行计费。作为示例，检测点13可以是设置在收费道路上的龙门架、横杆等。
作为示例，对于车道较多的收费道路，如4车道或5车道的高速公路，可以设置横跨整个道路的龙门架，并在龙门架上对应每个车道的位置上设置一个RSU11。或者，在车道较少时，如2车道的高速公路、收费桥梁道路等，可以在路侧设置立杆，并在立杆顶端设置延伸至车道的横杆，在横杆上对应每个车道的位置上设置一个RSU11。当车辆12在其中一条车道上行驶并经过检测点13时，车辆12内的OBU与该车道对应的RSU11进行交互，完成计费。
当车辆驶过RSU时，车辆上的OBU接收RSU发送的路侧信息(Road Side Information，RSI)，其中，RSI可以包括该RSU对应的收费路网号、收费站号、收费车道号、时间、通行状态等。然后，OBU根据接收到的RSI，确认RSU具有访问OBU的权限。在确认后，生成鉴别报文和交易验证码(Transaction Authentication Code，TAC)。OBU将鉴别报文、车辆信息和TAC发送给RSU，RSU根据鉴别报文获取OBU的验证结果，若OBU的验证结果为通过，则确认OBU具有RSU的访问权限，然后RSU将车辆信息和TAC上报给服务器。
一些场景中，RSU设置于高速公路的入口处，或者设置于高速公路上的龙门架上。在RSU将车辆信息和TAC上报给服务器之后，服务器将根据车辆信息和TAC进行计费。而在另一些场景中，RSU设置于高速公路的出口处，在RSU将车辆信息和TAC上报给服务器之后，服务器根据将车辆信息和TAC进行收费。
需要说明的是，车辆的OBU在每次经过收费道路的出入口、或者检测点时，均会与RSU进行一次交互。例如，基于图1示出的场景，车辆从收费道路入口驶入，从收费道路出口驶出，其中经过了一个检测点，则车辆的OBU会分别与设置在收费道路入口、收费道路出口以及一个检测点上的RSU进行交互，即一共进行三次交互。即车辆在行驶至收费道路入口时，OBU与RSU进行交互，实现ETC功能，开始计费。当车辆在行驶至检测点时，OBU再次与RSU进行交互，进行计费。最后当车辆行驶至收费道路出口时，OBU与RSU进行交互，完成收费。
在OBU与RSU交互时，为了实现ETC的功能，二者之间会通过各自的C-V2X模块发送和接收C-V2X信息，通过多次信息交互，完成ETC交易。进行信息交互的次数可根据RSU和OBU中预先设置好的交互流程确定。例如，常用的信息交互流程包括5次交互和7次交互。在此，以5次交互为例进行说明。
作为示例，OBU在检测到RSU广播的RSI时，可以先与RSU建立链接，接受RSU发送的RSI。并根据RSI从集成于OBU的车载设备安全控制模块(On Board Equipment-Security Access Module，OBE-SAM)中获取第一验证信息。
然后，OBU向RSU发送包括第一验证信息的确认字符(Acknowledge character， ACK)，RSU在接收到ACK后，根据第一验证信息从消费安全访问模块(Payment Security Access Module，PSAM)，获取第二验证信息和访问证书。RSU将第二验证信息和访问证书发送给OBU。其中，访问证书用于验证RSU访问OBU的权限。
接着，OBU根据第二验证信息和访问证书从OBE-SAM获取验证结果和TAC，若验证结果为通过，则确认RSU具有访问OBU的权限，即OBU为合法的。然后，OBU将鉴别报文、车辆信息和TAC发送给RSU。
RSU根据接收到的验证结果确定OBU为合法的，然后将收到车辆信息和TAC上报至服务器。同时，生成人机交互界面(Man Machine Interface，MMI)请求，发送给OBU。MMI请求用于指示OBU提示用户交易结果。
最后，OBU根据接收到的MMI请求提示用户交易结果，再将MMI请求的响应结果返回给RSU，完成交易。在接收到RSU根据MMI请求的响应结果返回的事件报告信息后，OBU断开与RSU的链接。
现有基于C-V2X进行ETC时，包括三个交易过程。即在收费道路入口处计费、在收费道路上的检测点进行计费以及在收费道路出口处进行收费。但是，进行ETC交易在整个驾驶过程中，一般只占极短的时间。例如，在进入收费道路后，若每隔15KM设置一个检测点，车速为100KM/h，OBU与检测点的RSU进行交易的通讯过程耗时1秒，则在行驶过程中，C-V2X模块99.8％的时间是无需发送和接收C-V2X信息的。然而，C-V2X技术目前无法支持如休眠唤醒等低功耗措施。导致无论车辆在行驶时，OBU中的C-V2X模块只能始终开启，即不间断的发送V2X消息或接受V2X消息，会大幅增加OBU的功耗。尤其对于使用电池作为能源的OBU，会严重缩短OBU的续航时间。
为此，本申请提供了一种C-V2X的低功耗方法，该方法基于C-V2X技术。可以在需要C-V2X模块通讯时激活C-V2X模块，并在交易完成后再去激活C-V2X模块，降低OBU的功耗，增加OBU的续航时间。其中，C-V2X可以包括基于长期演进(Long Term Evolution，LTE)的V2X通信(LTE-Vehicle，LTE-V)以及基于新无线(New Radio，NR)的V2X通信(New Radio-Vehicle，NR-V)。
图2示出了一种可能的车辆12内部的结构，其中，包含了至少一个OBU，其中，OBU可以是车载设备(On Board Equipment，OBE)、集成有C-V2X模块的智能手机、平板电脑、可穿戴设备、定制终端等具备C-V2X功能的终端设备。OBE可以是包含了上述应用了C-V2X的低功耗方法的车载设备，例如，OBE可以是集成有C-V2X模块的车载终端、连接有C-V2X模块的行车电脑等。
在本申请中，作为示例，OBU可以是车载终端121、智能手机122、或者具备C-V2X功能的OBU定制终端(未示出)等。
其中，对于车载终端121和智能手机122来说，可以通过其中的部分模块实现OBU的功能。例如，对于智能手机122来说，OBU的功能可以由智能手机的AP、BP以及定位模块实现。
而对于具备C-V2X功能的OBU定制终端来说，OBU至少包括具有C-V2X功能的BP、电子围栏模块等，以能够实现ETC功能为准。
仅作为示例，图3提供了一种图2中车载OBU的结构示意图，该OBU可以应用 本申请中提供的C-V2X低功耗方法。
如图3所示，该OBU包括：处理器201、音频模块202、屏幕203、通信模块204、存储模块205、C-V2X模块206、定位模块207、传感器模块208、输入模块209、电源模块210、接口211等部件。本领域技术人员可以理解，图1中示出的终端设备结构并不构成对终端设备的限定，可以包括比图示更多或更少的部件，如摄像模块、震动模块等，或者组合某些部件，或者不同的部件布置。
下面结合图3对OBU的各个构成部件及模块进行具体的介绍：
处理器201是OBU的控制中心，可以利用各种接口和线路连接OBU的各个部分，通过运行或执行存储在存储模块205内的软件程序和/或模块，以及调用存储在存储模块205内的数据，执行OBU的各种功能和处理数据。在OBU中，处理器201可以是用于处理应用程序的应用处理器(Application process，AP)。
一些实施方式中，处理器201可包括一个或多个处理单元。例如，可以是中央处理单元(Central Processing Unit，CPU)，或者还可以是通用处理器、数字信号处理器(Digital Signal Processor，DSP)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现成可编程门阵列(Field-Programmable Gate Array，FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。
需要说明的是，当处理器201为***级芯片(System on Chip，SoC)时，处理器201同时包括AP、BP、协处理器(coprocessor，CP)。
还有一些实施方式中，处理器201可集成应用处理器和调制解调处理器。其中，应用处理器主要处理操作***、用户界面和应用程序等，调制解调处理器主要处理无线通信。可以理解的是，上述调制解调处理器也可以不集成到处理器201中，本申请对此不作限制。
音频模块202，用于播放音频。例如，音频模块202播放提示语音、或者播放提示音等。
屏幕203用于通过视觉输出，展示终端设备输出的内容。例如，可以显示用户输入的信息、展示提供给用户的信息、显示终端设备的***界面、以及在终端设备上运行的应用程序的界面等。屏幕203显示面板的材质可以为液晶显示器(Liquid Crystal Display，LCD)、薄膜晶体管(Thin Film Transistor，TFT)、发光半导体(Light-Emitting Diode，LED)、有机发光半导体(Organic Light-Emitting Diode，OLED)等，在此不做限制。
一些实施方式中，触控面板可覆盖在屏幕的显示面板上，当触控面板检测到在其上或附近的触摸操作后，传送给处理器201以确定触摸事件的类型，随后处理器201根据触摸事件的类型在显示面板上提供相应的视觉输出。虽然在图3中屏幕和触控面板(未示出)为互相独立的两个部件来实现手机的输入和输入功能，但是在一些实施方式中，可以将触控面板与显示面板集成而实现手机的输入和输出功能。其中，当触控面板与屏幕集成后，可以作为触摸屏使用，触摸屏可以接收触控面板上的触控信号，并反馈给处理器201。处理器201根据触控信号进行响应，并将响应后的结果通过屏幕的显示面板进行展示。
通信模块204包括移动通信模块2041和无线通信模块2042。移动通信模块2041 可以集成于BP，BP可以支持任一通信标准或协议，包括但不限于全球移动通讯***(Global System of Mobile communication，GSM)、通用分组无线服务(General Packet Radio Service，GPRS)、码分多址(Code Division Multiple Access，CDMA)、宽带码分多址(Wideband Code Division Multiple Access,WCDMA)、长期演进(Long Term Evolution，LTE)、时分复用WCDMA(Time-Division WCDMA，TD-WCDMA)、时分复用LTE(Time-Division LTE，TD-LTE)、第五代新无线(the 5th generation New Radio，5G NR)等。而无线通信模块2042则可以支持蓝牙(Bluetooth)、无线保真(Wireless Fidelity，Wi-Fi)、近场通信(Near Field Communication，NFC)等。
移动通信模块2041可以用于通过天线与通信基站连接，以建立终端设备与其他终端设备之间通话链路，接收通话音频。无线通信模块2042用于与外置通话装置无线连接，其中，外置通话装置可以是蓝牙耳机、蓝牙音响等具有放音、收音功能的外置装置。当外置通话装置通过无线通信模块2042与终端设备连接时，可通过外置通话装置播放音频，并接收外置通话装置采集到的模拟音频信号，对其进行处理并发送给处理器201。
其中，存储模块205中包括内部存储器2051和外部存储器接口2052，内部存储器2051可以是闪存、硬盘、运算内存等。例如，内部存储器可以包括至少一个硬盘或闪存，一个运算内存。外部存储器接口2052用于连接外部存储器，外部存储器可以包括内存卡、移动硬盘、U盘、光碟等。
存储模块205可用于存储软件程序以及模块，处理器201通过运行存储在存储模块205的软件程序以及模块，从而执行终端设备的各种功能应用以及数据处理。存储模块205可主要包括存储程序区和存储数据区。其中，存储程序区通常位于内部存储器2051上，可存储操作***、至少一个功能所需的应用程序(如声音播放功能、触摸响应功能)。存储数据区可以位于内部存储器2051上，或者位于与外部存储器接口2052连接的外部存储器上，或者同时位于内部存储器和外部存储器上。存储数据区可存储根据手机的使用所创建的数据(如音频数据、图像数据、视频数据)。
C-V2X模块206可以是独立的模块，也可以集成于移动通信模块2041中，C-V2X模块可以与其他具有C-V2X模块的设备通过V2X协议进行通讯。例如，具有C-V2X模块的RSU和具有C-V2X模块的OBU之间的通讯。或者，具有C-V2X模块的OBU可以和具有C-V2X模块的用户设备之间通过蜂窝移动网络进行通讯，例如，具有C-V2X模块的OBU向用户设备发送车辆的行驶信息。再或者，还可以将具有C-V2X模块的OBU接入英特网，英特网中获取需要的数据，例如，具有C-V2X模块的OBU从服务器下载道路拥堵信息等。
需要说明的是，在一些实施方式中，C-V2X模块可以单独作为OBU使用。或者，C-V2X模块还可以与其他模块一同组成OBU，在此不做限制。
定位模块207则可以包括GPS模块和北斗模块，定位模块207可以从GPS或北斗***获取当前OBU的地理位置信息，如OBU的经纬度等。
终端设备还可包括传感器模块208。传感器模块包括至少一种传感器，比如包括压力传感器2081、陀螺仪传感器2082、距离传感器2083、接近光传感器2084、触摸传感器2085或加速度传感器2086等。其中，接近光传感器2084可包括环境光传感器 及接近传感器，其中，环境光传感器可根据环境光线的明暗来调节显示面板的亮度，接近传感器可在手机移动到耳边时，关闭屏幕203的显示面板和/或背光。作为运动传感器的一种，加速度传感器2086可检测各个方向上(一般为三轴)加速度的大小，静止时可检测出重力的大小及方向，可用于识别终端设备的姿态(如拿起或放下终端设备，横置或竖置终端设备等)。还可用于通过震动识别相关动作(比如计步、敲击)等。终端设备的其他传感器，在此不作赘述。
输入模块209可用于接收输入的信息和按键信号，输入的信息包括数字或字符信息、触控信息等，按键信号包括物理按键的按压信号、虚拟按键的按压信号等。
一种实施方式中，输入模块209可包括触控面板以及其他输入设备。触控面板与屏幕203可组成触摸屏，触控面板可收集用户在其上或附近的触摸操作(如用户使用手指、触控笔等能够在触控面板上产生触摸信号的物体或附件在触控面板上或在触摸屏附近的操作)，并根据预先设定的程式驱动执行相应的功能。可选的，触控面板可包括触摸检测装置和触摸控制器两个部分。其中，触摸检测装置检测用户的触摸方位，并检测触摸操作带来的信号，将信号传送给触摸控制器。触摸控制器从触摸检测装置上接收触摸信息，并将它转换成触点坐标，再送给处理器201，处理器201接收发来的触点坐标，将其转换为触控指令并加以执行。可以采用电阻式、电容式、红外线以及表面声波等多种类型实现触控面板。其他输入设备可以包括但不限于物理键盘、功能键(比如音量控制按键、开关按键等)、轨迹球、鼠标、操作杆中的一种或多种。
终端设备还包括给各个部件供电的电源模块210。电源模块可以包括电池、电源管理模块等。电源管理模块可以与处理器210逻辑相连，从而通过电源管理模块实现管理电池的充电、放电、以及功耗管理等功能。
一种实施方式中，电源模块210还可以包括光伏组件，用于将太阳辐射能转换为电能，为其他组件供电。
接口211包括但不限于用户识别(Subscriber Identity Module，SIM)卡接口2111、USB接口2112。SIM卡接口用于***运营商提供的SIM卡，以使得终端设备通过移动通信模块2041与基站通信连接时，识别验证用户身份，并在通过验证后，向基站发送通话请求、数据请求以及接收基站转发的通话、数据、短信等。
USB接口2112可以通过USB数据线将终端设备与电脑连接，进行数据交换。同时，USB接口2112还与电源模块210连接，USB数据线在接入电脑或充电插口时，可以将输入电能传输给电源模块210，对终端设备进行充电。其中，USB接口2112可以为micro-USB、mini-USB、USB Type-c等，在此不做限制。
图4示出了本申请提供的C-V2X的低功耗方法的示意性流程图，该方法可以应用于图1、图2和图3中所示出的设于交通工具内的OBU。在本申请中，交通工具以车辆为例，但交通工具还可以是摩托车、代步车、农用车等需要进行ETC的交通工具。
S21、当确定第一电子设备处于目标位置时，激活第一电子设备的C-V2X功能。
S22、第一电子设备通过C-V2X协议与第二电子设备进行数据交互。
S23、当确定第一电子设备与第二电子设备完成数据交互时，去激活第一电子设备的C-V2X功能。
其中，第一电子设备可以是OBU。OBU为具备C-V2X功能的终端设备，如OBE、 有C-V2X功能的智能手机、平板电脑、可穿戴设备、定制终端等。第二电子设备则可以是RSU，OBU与RSU进行数据交互时，可以完成ETC交易。C-V2X功能可通过C-V2X芯片实现，C-V2X芯片可集成于第一电子设备内的BP中。激活第一电子设备的C-V2X功能指的是令BP中的C-V2X芯片开始工作，即C-V2X芯片开始接收和发送数据。类似的，去激活第一电子设备的C-V2X功能则指的是令BP中的C-V2X芯片停止工作，即C-V2X芯片不再接收和发送数据。
一些实施方式中，第一电子设备通过C-V2X协议与第二电子设备进行数据交互，可以实现收费道路的ETC交易。而目标位置即为需要进行ETC交易的区域，如高速公路的出入口、高速公路上进行计费的检测点等。
作为示例，激活C-V2X功能，可以通过向C-V2X模块的使能端发送相应的激活指令，使C-V2X模块开始工作。而停止收发C-V2X信息的功能，则可以通过向C-V2X模块的使能端发送相应的去激活指令，使C-V2X模块停止工作。
在另一种示例中，停止收发C-V2X信息的功能，还可以通过断开C-V2X模块的供电实现。相对的，开启收发C-V2X信息的功能则可以通过向C-V2X模块供电实现。开启收发C-V2X信息的功能和关闭收发C-V2X信息的功能的方式在此不做限制。
在本实施例中，通过OBU与RSU进行C-V2X信息交互，以进行ETC交易。当ETC交易结束，OBU停止收发C-V2X信息。使得在无需进行ETC交易时，可以关闭收发C-V2X信息的功能，降低OBU的功耗，增加OBU的续航时间。
图5示出了本申请中，一种可能的C-V2X的低功耗方法，如图5所示，该方法包括：
S31、确定OBU处于目标位置时，向C-V2X模块发送激活指令。
S32、C-V2X模块响应激活指令，切换为激活状态。
一些实施方式中，确定OBU处于目标位置时，可以包括两种情况，一种是手动确定，另一种是自动确定。
其中，手动确定时，即表示用户对OBU进行控制，主动将C-V2X模块激活，启用C-V2X功能。C-V2X模块激活指的是C-V2X模块开始进行工作，启用C-V2X功能指的是开始发送和接收C-V2X信息的。
一些实施方式中，手动确定时，若OBU接收到用户发送的激活指令，则确定OBU处于目标位置。作为示例，激活指令可以是按下用于激活C-V2X模块的按键操作。例如，参考图5，用于激活C-V2X模块的按键可以是设于车辆方向盘上激活按键41，或者，设于中控的激活拨杆42等。当用户按下激活按键41或者拨动激活拨杆42，OBU接收到相应的按键操作，则确定OBU满足预设的激活条件。
另一些实施方式中，手动确定时，还可以是检测到用户启动OBU中预设的应用程序。例如，参考图2和图6，在车载终端或用户设备上装有用于进行ETC的应用程序，当用户在车载终端或者用户设备上点击该应用程序对应的图标后，车载终端或者用户设备接收并响应该点击操作，启动应用程序。在OBU检测到该应用程序启动时，则确定OBU处于目标位置。或者，当该应用程序已启动，但是在后台运行时。若接收到将该应用程序切换至前台的操作时，即可则确定OBU处于目标位置。
一些实施方式中，C-V2X模块是集成于BP上的，C-V2X模块的激活、去激活可 通过AT(Attention)指令实现。例如，在确定OBU处于目标位置后，AP可以向BP发送用于激活C-V2X模块的AT指令，如“AT^VMODE＝1”。BP在接收到AT指令后，根据AT指令激活C-V2X模块。C-V2X模块激活后，开始接受和发送C-V2X信息。
在此，对应用手动确定的场景进行说明。
一些实施方式中，OBU可以是用户设备，如具有C-V2X的智能手机、平板电脑等。参考图7，以OBU为智能手机进行说明。
在图7示出的界面中，展示了用于ETC收费的应用程序图标61，当智能手机接收到作用于图标61的点击操作时，智能手机的活动管理服务(Activity Manager Service，AMS)检测到该点击操作用于指示程序名为“ETC收费”的应用程序启动，并通过AP启动“ETC收费”应用。同时，AP检测到用于进行ETC收费的应用程序启动，则确定OBU处于目标位置，向BP发送激活C-V2X模块的AT指令。BP在接收到AT指令后，根据AT指令激活C-V2X模块。
在应用程序启动后，可以展示如图8所示的界面。在该界面中，包括激活/去激活按键71，激活提示信息72。
其中，当C-V2X激活时，激活提示信息72显示“C-V2X已激活”，激活/去激活按键71上显示“休眠”。若接收到作用于激活/去激活按键71的点击操作，则AP可以向BP发送去激活C-V2X模块的AT指令，使C-V2X模块不再使能，进入休眠状态。随后，可展示如图8所示的界面。其中，激活/去激活按键71上显示为“激活”，激活提示信息72显示为“C-V2X已休眠”。若再次接收到作用于激活/去激活按键71的点击操作，则再次确定OBU处于目标位置，AP可以再次向BP发送激活C-V2X模块的AT指令，使C-V2X模块激活工作，并展示图8的界面。
可选的，当C-V2X模块激活并进行ETC交易后，若AP检测到C-V2X模块向RSU发送交易完成的指令，可以向BP发送去激活C-V2X模块的AT指令，以及时使C-V2X模块进入休眠状态，减少功耗，增加续航。
还需说明的是，在图8和图9示出的界面中，还可以包括计费信息73，用于展示车辆在收费道路上已进行ETC交易的站点，以及根据站点之间距离计算得出的预计通行费用。以提示用户进行ETC交易的详情。
另一些实施方式，OBU可以是车载终端，例如，可以是支持C-V2X的行车电脑及与行车电脑连接的中控屏幕。参考图10，图10中示出了与行车电脑连接的激活按键41、激活拨杆42以及展示在中控屏幕上的激活图标43。需要说明的是，在实际应用时，可以包括激活按键41、激活拨杆42以及激活图标43中的至少一个，以提供手动确认操作。
在默认的行驶过程中，C-V2X模块是休眠的。在C-V2X模块休眠时，可以在中控屏幕上以及车载电脑的信息屏幕上展示提示信息81“ETC已休眠”。
作为示例，当行车电脑的AP检测到作用于激活按键41的按压操作、作用于激活拨杆42的拨动操作或作用于激活图标43的点击操作中的一个操作时，确定OBU处于目标位置。AP向BP发送激活C-V2X模块的AT指令。BP在接收到AT指令后，根据AT指令激活C-V2X模块。
C-V2X模块激活后，可以参考图11，将中控屏幕上以及车载电脑的信息屏幕上 展示提示信息81更新为“ETC已激活”，以提示用户C-V2X功能的开启状态。
在C-V2X模块激活时，若AP再次检测到作用于激活按键41的按压操作、作用于激活拨杆42的拨动操作或作用于激活图标43的点击操作中的一个操作时，AP向BP发送去激活C-V2X模块的AT指令。BP在接收到AT指令后，根据AT指令去激活C-V2X模块。
通过手动确认OBU处于目标位置，然后对C-V2X模块进行激活，可以在需要进行C-V2X通讯的区域激活C-V2X模块，开启C-V2X功能，并在交易完成后关闭C-V2X模块。由于是通过手动确认，可以更加灵活的适应所有应用场景。
而自动确认，即表示OBU确定车辆已靠近需要进行ETC交易的区域。进而激活C-V2X模块，开启C-V2X功能，以完成ETC交易。
一些实施方式中，自动确认OBU处于目标位置时，可以是确认车辆已进入预设的电子围栏范围。作为示例，可以在OBU的存储器中，存储多个预置的电子围栏信息。其中，电子围栏信息可以包括电子围栏坐标和电子围栏的覆盖半径。或者，电子围栏信息还可以包括预设的基站编号。
对于电子围栏信息为电子围栏坐标和电子围栏的覆盖半径时，OBU可以从定位模块获取BOE的位置信息，根据OBU的位置是否位于电子围栏覆盖的范围内，从而确定车辆是否进入电子围栏。若进入，则确定车辆已靠近需要进行ETC交易的区域。
而对于电子围栏信息为预设的基站编号，则可以通过OBU中的移动通讯模块获取车辆当前位置能够识别到的所有基站的编号，若获取到的基站编号包括预设的基站编号，则可以确定OBU进入电子围栏。进而确定车辆已靠近需要进行ETC交易的区域。
另一些实施方式中，还可以获取车辆前方的图像，并对图像进行识别，若能识别到收费站或者检查点的图像，则确定车辆已靠近需要进行ETC交易的区域。
在满足自动激活条件后，AP、定位模块或移动通讯模块可以向BP发送上述用于激活C-V2X模块的AT指令。BP在接收到AT指令后，根据AT指令激活C-V2X模块。C-V2X模块激活后，开始接受和发送C-V2X信息。
在此，对应用自动激活的场景进行说明。
一种实施方式中，OBU除包括C-V2X模块外，还需包括电子围栏模块。电子围栏模块是OBU中能够实现电子围栏功能的模块集合。电子围栏功能用于识别OBU是否处于目标位置。
作为示例，电子围栏模块可以包括AP和定位模块。例如，AP通过定位模块获取OBU的地理位置信息，再与预存的电子围栏的地理位置范围作对比，若OBU的地理位置处于电子围栏的地理位置范围之内，则确认OBU处于目标位置。
或者，电子围栏模块还可以包括AP和移动通信模块。例如，AP通过移动通信模块识别覆盖OBU所处位置的小区对应的基站是否为目标基站，若是，则确认OBU处于目标位置。作为示例，移动通信模块可以获取信号范围内所有基站广播的小区的身份标识号(Identity document，ID)，若获取到的小区ID中包括预存的目标基站对应的小区的ID，则可以确认OBU处于目标位置。另一种示例中，移动通信模块可以接收信号范围内基站广播的***信息块(System Information Block，SIB)消息，SIB消 息中包括了发送该SIB消息的基站的特征，若接收到的SIB消息对应的基站特征包括了预存的目标基站的特征，则可以确认OBU处于目标位置。
再或者，电子围栏模块还可以包括AP和wifi模块、蓝牙模块、近场通信(Near Field Communication，NFC)模块等。例如，AP通过wifi模块识别到预设的wifi无线访问接入点时，即可确认OBU处于目标位置。类似的，AP还可以通过蓝牙模块识别到预设的蓝牙无线访问接入点、通过NFC模块与预设的NFC接入点通信等来确认OBU处于目标位置。
以下实施例中，以电子围栏模块包括AP和移动通信模块为例，对自动确认进行说明。
一种可能的实现方式中，电子围栏模块包括AP和移动通信模块。参考图12和图13，车辆12在行驶时，车辆12中的OBU可能会驶入第一基站101、第二基站102、第三基站103的小区覆盖范围内。其中，不同的基站广播的小区可以通过小区ID进行区分。例如，设第一基站广播的小区的ID为00001，第二基站广播的小区的ID为00002，第三基站广播的小区的ID为00003。
电子围栏模块可以获取能够覆盖OBU所处位置的所有小区的小区ID，并将获取到的小区ID与多个预存的目标基站对应的小区ID进行比对，若存在与预存的目标基站对应的小区ID相同的小区ID，则确定车辆进入电子围栏内，即确认OBU处于目标位置。
其中，预存的目标基站为广播小区的覆盖范围能够覆盖需要进行C-V2X通讯的RSU的基站。例如，图12和图13中RSU11设置在检测点13上，检测点13为龙门架。第一基站101和第三基站103的小区覆盖范围覆盖了RSU11。则在图12和图13示出的场景中，可以将第一基站101和第三基站103作为预存的目标基站。即可以将第一基站101和第三基站103对应的小区ID预先存储在OBU的存储器中。
作为示例，图12中示出的车辆12处于第二基站102小区覆盖的范围内，车辆12中的OBU通过移动通信模块与第二基站102连接。OBU接收到的小区ID的列表中仅存在ID为00002的小区。由于第一基站101和第三基站103为预存的目标基站，则当车辆12行驶至如图13所示的位置时，OBU可以接收到两个小区ID，分别为00001以及00002。OBU确定识别到小区ID00001是预存的目标基站对应的小区ID，则确定OBU进入了电子围栏的范围，即确认OBU处于目标位置。AP或移动通信模块向BP发送激活C-V2X模块的AT指令。BP在接收到AT指令后，根据AT指令激活C-V2X模块。
当C-V2X模块激活并进行ETC交易后，若AP检测到C-V2X模块向RSU发送交易完成的指令，可以向BP发送去激活C-V2X模块的AT指令，以及时使C-V2X模块进入休眠状态，减少功耗，增加续航。
还需说明的是，参考图12和图13，为了使双向行驶的车辆中的C-V2X模块均能被及时激活，可以将能够覆盖检测点13的多个基站均设置为目标基站，例如，可以将第一基站和第三基站对应的小区ID同时存入OBU的存储器。
但是，在这种情况下，车辆12在行驶时，可能会先搜索到第一基站101对应的小区ID的编号，激活C-V2X模块，完成交易并去激活C-V2X模块。然后又驶入第三 基站103的覆盖范围，搜索到第三基站对应的小区ID，造成重复激活的问题。
对此，可以将覆盖同一检测点的小区ID进行编组。在OBU完成交易后，若在预设时间内搜索到属于同一编组的小区ID，则可以忽略此次搜索，不进行激活。其中，预设时间可以根据基站覆盖的半径和收费道路的限速速度进行计算。例如，LTE基站覆盖半径约为1-3公里。若收费道路的限速为100KM/h，则用基站的最大覆盖直径除以80％的限速速度，即6KM除以80KM/h。得到预设时间应大于4.5分钟。但不以此为限。
以下实施例中，以电子围栏模块包括AP和定位模块为例，对自动确认进行说明。
另一种实施方式中，电子围栏模块包括AP和定位模块。其中，定位模块可以为GPS模块或北斗定位模块等。定位模块用于获取OBU的位置信息。OBU中预存有多个电子围栏的坐标和半径。若AP确定OBU的位置位于预存的电子围栏覆盖的范围内，则确定车辆进入电子围栏内，确认OBU处于目标位置。
作为示例，参考图14和图15，电子围栏的坐标111可以设置于检测点13的中心位置，电子围栏的半径可以根据收费道路的限速速度和RSU11所处的位置进行设置。例如，设收费道路限速100KM/h，RSU11设于检测点13上，若OBU唤醒C-V2X模块需要1秒，OBU与RSU进行交易需要1秒，则电子围栏的半径可以设为65米(以80％限速速度行驶3秒钟的距离)。以保证车辆12中的OBU有足够的时间激活C-V2X模块，并有足够的时间与RSU11进行交易。或者，若RSU11设于收费道路入口或出口时，可以不考虑限速速度，直接将电子围栏的半径设为20米或50米等。在此不做限制。
作为示例，图14中示出的车辆12处于电子围栏的覆盖范围113外，车辆12中的OBU获取定位信息，电子围栏模块根据定位信息确认车辆12未进入电子围栏内，保持C-V2X模块的休眠状态。当车辆12行驶至如图15所示的位置时，AP根据定位信息确认车辆12进入电子围栏内，确认OBU处于目标位置。AP或定位模块向BP发送激活C-V2X模块的AT指令。BP在接收到AT指令后，根据AT指令激活C-V2X模块。
当C-V2X模块激活并进行ETC交易后，若AP检测到C-V2X模块向RSU发送交易完成的指令，可以向BP发送去激活C-V2X模块的AT指令，以及时使C-V2X模块进入休眠状态，减少功耗，增加续航。
需要说明的是，由于电子围栏的覆盖范围是圆形或扇形，会有部分区域覆盖在收费道路之外。有可能导致未行驶在收费道路上，但是具有支持C-V2X的OBU的车辆误判，激活C-V2X模块，导致增加功耗或者误收费。
对此，可以参考图16和图17示出的ETC收费应用程序的界面。其中，包括开启自动激活C-V2X的开关按键1601。参考图16，在默认设置中，启动应用程序后，若未识别到已经进入收费道路，则自动激活C-V2X是关闭的。以避免发生上述的误操作。当接收到作用于开关按键1601的点击操作或滑动操作时，可以开始自动激活C-V2X，以实现本实施例中提供的方法。
可选的，参考图17，当启动应用程序时，识别到已经进入收费道路(存在入口站点的交易信息)，则可以开启自动激活C-V2X，以实现本实施例中提供的方法。
本申请还可以提供一种实施方式，OBU除包括C-V2X模块外，还需包括摄像模块。摄像模块可以是OBU上集成的摄像头、设于车辆内的行车记录仪或者设于车辆外部的摄像头等。摄像模块的形式不做限制。
摄像模块用于获取车辆前方的影像。OBU可以识别影像中是否存在用于ETC的设备，如包括RSU的监测点、收费道路入口的道闸、导流岛等。若检测到，确认OBU处于目标位置。向BP发送激活C-V2X模块的AT指令。BP在接收到AT指令后，根据AT指令激活C-V2X模块。
作为示例，参考图18，图18为摄像模块获取的帧图像，其中包括检测点13，以及设置于检测点13上的多个RSU11。OBU获取到图18后，可以识别图18中是否包括用于ETC的设备。例如，可以将图18发送给服务器，服务器根据预先训练的图像识别模型，识别该图像中是否存在用于ETC的设备。再或者，预先训练的图像识别模型也可以集成于上述的ETC收费应用程序，OBU在获取到帧图像后，通过应用程序提供的图像识别模型识别帧图像中是否存在用于ETC的设备。
若在帧图像中识别到了用于ETC的设备(如图18中包括了检测点13以及多个RSU11)，确认OBU处于目标位置。
通过自动检测OBU是否处于目标位置，对C-V2X模块进行自动激活和去激活，可以在需要进行C-V2X通讯的区域激活C-V2X模块，并在交易完成后关闭C-V2X模块。由于是通过电子围栏、图像识别等方法自动进行激活，可以减少用户的操作频率，提高C-V2X模块进行ETC时的自动化程度，同时有效减少OBU的功耗。
S33、通过C-V2X模块接收RSU发送的交易信息。
S34、通过C-V2X模块根据交易信息与RSU进行交易。
一些实施方式中，OBU与RSU进行ETC交易，可以包括五次交互的方案或者七次交互的方案。其中，图19示出了五次交互的方案。
参考图19，OBU与RSU之间进行ETC交易的流程包括：
S1801、RSU广播RSI，OBU检测到广播的RSI后，建立RSU与OBU之间的通信连接，OBU接收RSU发送的RSI。
一些实施方式中，通过C-V2X模块建立RSU与OBU之间的通信连接可以借助LTE-V或NR-V进行。即RSU和OBU的C-V2X模块分别通过LTE或NR接入蜂窝移动网络，然后RSU和OBU之间的C-V2X模块通过蜂窝移动网络进行通信。或者，RSU与OBU中的C-V2X模块，还可以借助V2X协议，直接进行通信，在此不做限制。
其中，RSI包括RSU所处站点的信息文件，例如，当RSU位于收费道路入口时，RSI包括RSU对应的收费路网号、收费站号、收费车道号、时间、通行状态等。
S1802、OBU根据接收到的RSI从OBE-SAM中获取第一验证信息。
需要说明的是，OBE-SAM内存储有OBE对应的车辆信息、秘钥文件、交易记录文件等。其中，OBU根据RSI从OBE-SAM中获取的第一验证信息，是根据OBE-SAM中的秘钥文件生成的随机数Rand1(OBE)
一些实施方式中，第一验证信息是OBE-SAM根据RSI获取的OBE的随机数(Rand1(OBE))。
S1803、OBU向RSU发送包括第一验证信息的ACK。
S1804、RSU根据第一验证信息从PSAM中获取第二验证信息和访问证书。
一些实施方式中，PSAM用于通过第一验证信息验证OBU的合法性，若通过验证，则生成第二验证信息和访问证书。其中，第二验证信息是在PSAM中，根据第一验证信息获取的随机数(Rand2(RSE))。访问证书则用于获得读取OBU中数据的权限，实现OBU对RSU的单方向认证。
S1805、RSU向OBU发送收费信息请求，收费信息请求包括第二验证信息和访问证书。
S1806、OBU根据收费信息请求从OBE-SAM获取鉴别报文和TAC。
一些实施方式中，当OBU根据访问证书验证RSU具有读取OBU中数据的权限后，根据OBE-SAM中的秘钥文件计算生成鉴别报文。再根据收费信息从OBE-SAM中获取TAC作为通行凭证。
S1807、若根据访问证书确定RSU具有OBU的访问权限，则OBU发送鉴别报文、TAC和车辆信息给RSU。
S1808、RSU根据鉴别报文从PSAM获取OBU的验证结果，若接收到PSAM发送的ACK，则确认OBU验证通过。
S1809、RSU将车辆信息和TAC上报至服务器。
S1810、RSU向OBU发送MMI请求。
S1811、OBU向RSU发送MMI请求的响应结果。
一些实施方式中，MMI请求用于指示OBU显示交易结果。
作为示例，参考图6，在智能手机中的C-V2X模块接收到RSU发送的MMI请求。MMI请求可以包括指示C-V2X显示于2020年7月10日15：28：12秒，在A高速C检测点完成交易。智能手机中的C-V2X模块在接收到MMI请求后，将其中包含的MMI信息发送给AP，AP根据MMI信息在应用程序的界面中展示接收到的MMI请求，并通过振动、播放提示音等方式，提示用户已完成交易。
一些实施方式中，AP在接收到MMI信息后，即可向BP发送指示C-V2X模块去激活的指令，去激活C-V2X模块，使其休眠。
S912、RSU向OBU发送事件报告信息，OBU断开与RSU之间的通信连接。
一些实施方式中，AP在接收到MMI信息后，等待OBU确认接收到RSU发送的事件报告信息，并断开与RSU之间的通信连接后，再向BP发送指示C-V2X模块去激活的指令，去激活C-V2X模块，使其休眠。其中，事件报告信息用于指示OBU与RSU完成交易。
图20示出了七次交互的方案。
另一些实施方式中，参考图20，OBU与RSU之间进行ETC交易的流程包括：
S1901、RSU广播RSI，OBU检测到广播的RSI后，建立RSU与OBU之间的通信连接，OBU接收RSU发送的RSI。
S1902、OBU根据接收到的RSI从OBE-SAM中获取第三验证信息。
S1903、OBU向RSU发送包括第三验证信息的ACK。
S1904、RSU根据第三验证信息从PSAM中获取访问证书。
S1905、RSU向OBU发送收费信息请求，收费信息请求包括访问证书。
S1906、OBU根据访问证书从OBE-SAM中确认RSU具有OBU的访问权限。
S1907、OBU向RSU发送收费响应信息，收费信息响应包括车辆信息。
S1908、RSU根据车辆信息从PSAM中获取包括计费信息的第四验证信息。
S1909、RSU向OBU发送鉴别报文获取请求，鉴别报文获取请求包括第四验证信息。
S1910、OBU根据第四验证信息，生成鉴别报文和TAC。
S1911、发送鉴别报文响应，鉴别报文响应包括鉴别报文和TAC。
S1912、RSU根据鉴别报文从PSAM获取OBU的验证结果，若接收到PSAM发送的ACK，则确认OBU验证通过。
S1913、RSU将TAC上报至服务器。
S1914、RSU向OBU发送MMI请求。
S1915、OBU向RSU发送MMI请求的响应结果。
S1916、RSU向OBU发送事件报告信息，OBU断开与RSU之间的通信连接。
在七次交互的方案中，第三验证信息相当于五次交互方案中的第一验证信息；第四验证信息相当于五次交互方案中的第二验证信息。
其中，S1904-S1913的步骤，相当于五次交互方案中S904-S909的步骤，其实现方法类似，在此不做赘述。
S35、当检测到交易完成时，OBU向C-V2X模块发送去激活指令。
一些实施方式中，当车辆经过RSU时，OBU中的C-V2X模块与RSU中的C-V2X模块，进行通讯，完成ETC交易。在完成ETC交易后，OBU向C-V2X模块发送去激活的AT指令。C-V2X模块响应去激活指令，停止工作，不再发送和接收C-V2X信息。例如，在完成交易后，AP向BP发送C-V2X去激活的AT指令，如“AT^VMODE＝0”。BP根据接收到的AT指令，去激活C-VX2模块。
在本实施例中，在完成ETC交易后，去激活C-V2X模块，可以在无需使用C-V2X时将其关闭，减少OBU的功耗，提高OBU的续航能力。
图21中，示出了一种C-V2X的低功耗方法的流程示意图。参考图21，该方法包括：
S2001、检测OBU是否满足预设的激活条件，若满足，则执行S2002，否则继续检测。
一些实施方式中，检测OBU是否满足预设的激活条件可以参考S31和S32中示出的方法，在此不做赘述。
S2002、在确定OBU满足预设的激活条件后，向C-V2X模块发送激活指令。
一些实施方式中，在手动或自动确认OBU处于目标位置后，AP、定位模块或移动通讯模块可以向BP发送用于激活C-V2X模块的AT指令。BP在接收到AT指令后，根据AT指令激活C-V2X模块。C-V2X模块激活后，开始接受和发送C-V2X信息。
S2003、C-V2X模块响应激活指令，切换为激活状态，与RSU进行交易。
一些实施方式中，C-V2X模块与RSU中的C-V2X模块通过V2X协议进行交易，交易的过程可以为S1801-S1811所示出的五次交互方案，或者S1901-S1916中示出的七次交互方案，在此不做限制。
S2004、检测C-V2X模块是否完成交易，若完成，则执行S2005，否则继续检测。
一些实施方式中，参考上述的交互方案，当OBU接收到RSU发送的事件报告信息时，则可以确认C-V2X模块完成了交易。
S2005、向C-V2X模块发送去激活指令。
S2006、C-V2X模块响应去激活指令，停止工作。同时，继续检测OBU是否满足预设的激活条件。
一些实施方式中，S2005和S2006中，发送的去激活指令与S35中相同，在此不做赘述。
在本实施例中，若OBU检测到OBU处于目标位置时，则确定交通工具已靠近需要进行ETC交易的区域。OBU向C-V2X模块发送激活指令。C-V2X模块在接收到激活指令后，切换为激活状态，开始接受和发送C-V2X信息，与RSU进行交易。在交易完成后，OBU向C-V2X模发送去激活指令，使C-V2X模块停止工作。实现了OBU中的C-V2X模块在与RSU进行交易前唤醒，在完成交易后停止工作，无需始终保持激活状态，可以有效减少OBU的功耗，提高OBU的续航能力。
应理解，上述实施例中各步骤的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本申请实施例的实施过程构成任何限定。
对应于上文实施例所述的C-V2X的低功耗方法，图22示出了本申请实施例提供的C-V2X的低功耗装置的结构框图，为了便于说明，仅示出了与本申请实施例相关的部分。
参照图22，本申请实施例提供了一种C-V2X的低功耗装置，应用于第一电子设备，第一电子设备支持C-V2X功能，该装置包括：
确定模块221，用于当确定第一电子设备处于目标位置时，激活第一电子设备的C-V2X功能。交互模块222，用于第一电子设备通过C-V2X协议与第二电子设备进行数据交互。确定模块221，还用于当确定第一电子设备与第二电子设备完成数据交互时，去激活第一电子设备的C-V2X功能。
一些实施方式中，第一电子设备包括控制组件。
确定模块221，具体用于若控制组件接收到第一控制操作，则确定第一电子设备处于目标位置，其中，第一控制操作用于指示激活第一电子设备的C-V2X功能。
一些实施方式中，第一电子设备包括定位组件。
确定模块221，具体用于若定位组件接收到位于预设的地理位置范围内的地理位置信息，则确定第一电子设备处于目标位置。
一些实施方式中，第一电子设备包括蜂窝通信组件。
确定模块221，具体用于若蜂窝通信组件接收到的基站特征信息中包括预设基站的特征信息，则确定第一电子设备处于目标位置。
一些实施方式中，交互模块222，具体用于接收第二电子设备发送的路侧信息。根据路侧信息，确认第二电子设备具有访问第一电子设备的权限。生成用于指示访问权限的鉴别报文和用于指示交易信息的交易验证码，并将鉴别报文和交易验证码发送给第二电子设备。接收第二电子设备根据鉴别报文和交易验证码发送的人机交互界面 请求。响应人机交互界面请求，并向第二电子设备发送人机交互界面请求的响应结果。接收第二电子设备根据人机交互界面请求的响应结果发送的事件报告信息，事件报告信息用于指示第一电子设备与第二电子设备完成数据交互。
一些实施方式中，确定模块221，具体用于若接收到事件报告信息，则确定第一电子设备与第二电子设备完成数据交互。
一些实施方式中，第一电子设备包括控制组件。
确定模块221，具体用于若控制组件接收到第二控制操作，则确定第一电子设备与第二电子设备完成数据交互，其中，第二控制操作用于指示去激活第一电子设备的C-V2X功能。
一些实施方式中，第一电子设备包括定位组件。
确定模块221，具体用于若定位组件接收到位于预设的地理位置范围外的地理位置信息，则确定第一电子设备与第二电子设备完成数据交互。
一些实施方式中，第一电子设备包括蜂窝通信组件。
确定模块221，具体用于若蜂窝通信组件接收到的基站特征信息中不包括预设基站的特征信息，则确定第一电子设备与第二电子设备完成数据交互。
一些实施方式中，第一电子设备包括用于展示显示界面的显示组件。
参考图23，该装置还包括展示模块223，用于在显示界面上展示C-V2X功能激活的提示信息。
一些实施方式中，展示模块223，还用于在显示界面上展示数据交互的提示信息。
一些实施方式中，展示模块223，还用于在显示界面上展示C-V2X功能去激活的提示信息。
一些实施方式中，第一电子设备包括控制组件、定位组件、蜂窝通信组件和用于展示显示界面的显示组件。
确定模块221，具体用于若控制组件接收到第一控制操作，则确定第一电子设备处于目标位置，其中，第一控制操作用于指示激活第一电子设备的C-V2X功能；或，若定位组件接收到位于预设的地理位置范围内的地理位置信息，则确定第一电子设备处于目标位置；或，若蜂窝通信组件接收到的基站特征信息中包括预设基站的特征信息，则确定第一电子设备处于目标位置。
交互模块222，具体用于接收第二电子设备发送的路侧信息。根据路侧信息，确认第二电子设备具有访问第一电子设备的权限。生成用于指示访问权限的鉴别报文和用于指示交易信息的交易验证码，并将鉴别报文和交易验证码发送给第二电子设备。接收第二电子设备根据鉴别报文和交易验证码发送的人机交互界面请求。响应人机交互界面请求，并向第二电子设备发送人机交互界面请求的响应结果。接收第二电子设备根据人机交互界面请求的响应结果发送的事件报告信息，事件报告信息用于指示第一电子设备与第二电子设备完成数据交互。
确定模块221，具体用于若接收到事件报告信息，则确定第一电子设备与第二电子设备完成数据交互；或，若控制组件接收到第二控制操作，则确定第一电子设备与第二电子设备完成数据交互，其中，第二控制操作用于指示去激活第一电子设备的C-V2X功能；或，若定位组件接收到位于预设的地理位置范围外的地理位置信息，则 确定第一电子设备与第二电子设备完成数据交互；或，若蜂窝通信组件接收到的基站特征信息中不包括预设基站的特征信息，则确定第一电子设备与第二电子设备完成数据交互。
该装置还包括展示模块223，用于在显示界面上展示C-V2X功能激活的提示信息。
展示模块223，还用于在显示界面上展示数据交互的提示信息。
展示模块223，还用于在显示界面上展示C-V2X功能去激活的提示信息。
需要说明的是，上述模块之间的信息交互、执行过程等内容，由于与本申请方法实施例基于同一构思，其具体功能及带来的技术效果，具体可参见方法实施例部分，此处不再赘述。
所属领域的技术人员可以清楚地了解到，为了描述的方便和简洁，仅以上述各功能单元、模块的划分进行举例说明，实际应用中，可以根据需要而将上述功能分配由不同的功能单元、模块完成，即将所述装置的内部结构划分成不同的功能单元或模块，以完成以上描述的全部或者部分功能。实施例中的各功能单元、模块可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中，上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。另外，各功能单元、模块的具体名称也只是为了便于相互区分，并不用于限制本申请的保护范围。上述***中单元、模块的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
图24为本申请一实施例提供的电子设备的结构示意图。如图24所示，该实施例的电子设备24包括：至少一个处理器241(图24中仅示出一个)处理器、存储器242以及存储在存储器242中并可在至少一个处理器241上运行的计算机程序243，处理器241执行计算机程序243时实现以下的C-V2X的低功耗方法：
当确定所述电子设备处于目标位置时，激活所述电子设备的C-V2X功能。所述电子设备通过C-V2X协议与第二电子设备进行数据交互。当确定所述电子设备与所述第二电子设备完成数据交互时，去激活所述电子设备的C-V2X功能。
一些实施方式中，第一电子设备包括控制组件。
确定第一电子设备处于目标位置包括：若控制组件接收到第一控制操作，则确定第一电子设备处于目标位置，其中，第一控制操作用于指示激活第一电子设备的C-V2X功能。
一些实施方式中，第一电子设备包括定位组件。
确定第一电子设备处于目标位置包括：若定位组件接收到位于预设的地理位置范围内的地理位置信息，则确定第一电子设备处于目标位置。
一些实施方式中，第一电子设备包括蜂窝通信组件。
确定第一电子设备处于目标位置包括：若蜂窝通信组件接收到的基站特征信息中包括预设基站的特征信息，则确定第一电子设备处于目标位置。
一些实施方式中，第一电子设备通过C-V2X协议与第二电子设备进行数据交互，包括：接收第二电子设备发送的路侧信息。根据路侧信息，确认第二电子设备具有访问第一电子设备的权限。生成用于指示访问权限的鉴别报文和用于指示交易信息的交易验证码，并将鉴别报文和交易验证码发送给第二电子设备。接收第二电子设备根据 鉴别报文和交易验证码发送的人机交互界面请求。响应人机交互界面请求，并向第二电子设备发送人机交互界面请求的响应结果。接收第二电子设备根据人机交互界面请求的响应结果发送的事件报告信息，事件报告信息用于指示第一电子设备与第二电子设备完成数据交互。
一些实施方式中，确定第一电子设备与第二电子设备完成数据交互，包括：若接收到事件报告信息，则确定第一电子设备与第二电子设备完成数据交互。
一些实施方式中，第一电子设备包括控制组件。
确定第一电子设备与第二电子设备完成数据交互，包括：若控制组件接收到第二控制操作，则确定第一电子设备与第二电子设备完成数据交互，其中，第二控制操作用于指示去激活第一电子设备的C-V2X功能。
一些实施方式中，第一电子设备包括定位组件。
确定第一电子设备与第二电子设备完成数据交互，包括：若定位组件接收到位于预设的地理位置范围外的地理位置信息，则确定第一电子设备与第二电子设备完成数据交互。
一些实施方式中，第一电子设备包括蜂窝通信组件。
确定第一电子设备与第二电子设备完成数据交互，包括：若蜂窝通信组件接收到的基站特征信息中不包括预设基站的特征信息，则确定第一电子设备与第二电子设备完成数据交互。
一些实施方式中，第一电子设备包括用于展示显示界面的显示组件。
在激活第一电子设备的C-V2X功能之后，方法还包括：在显示界面上展示C-V2X功能激活的提示信息。
一些实施方式中，在第一电子设备通过C-V2X协议与第二电子设备进行数据交互时，方法还包括：在显示界面上展示数据交互的提示信息。
一些实施方式中，在去激活第一电子设备的C-V2X功能之后，方法还包括：
在显示界面上展示C-V2X功能去激活的提示信息。
一些实施方式中，第一电子设备包括控制组件、定位组件、蜂窝通信组件和用于展示显示界面的显示组件。
确定第一电子设备处于目标位置包括：若控制组件接收到第一控制操作，则确定第一电子设备处于目标位置，其中，第一控制操作用于指示激活第一电子设备的C-V2X功能；或，若定位组件接收到位于预设的地理位置范围内的地理位置信息，则确定第一电子设备处于目标位置；或，若蜂窝通信组件接收到的基站特征信息中包括预设基站的特征信息，则确定第一电子设备处于目标位置。
第一电子设备通过C-V2X协议与第二电子设备进行数据交互，包括：接收第二电子设备发送的路侧信息。根据路侧信息，确认第二电子设备具有访问第一电子设备的权限。生成用于指示访问权限的鉴别报文和用于指示交易信息的交易验证码，并将鉴别报文和交易验证码发送给第二电子设备。接收第二电子设备根据鉴别报文和交易验证码发送的人机交互界面请求。响应人机交互界面请求，并向第二电子设备发送人机交互界面请求的响应结果。接收第二电子设备根据人机交互界面请求的响应结果发送的事件报告信息，事件报告信息用于指示第一电子设备与第二电子设备完成数据交互。
确定第一电子设备与第二电子设备完成数据交互，包括：若接收到事件报告信息，则确定第一电子设备与第二电子设备完成数据交互；或，若控制组件接收到第二控制操作，则确定第一电子设备与第二电子设备完成数据交互，其中，第二控制操作用于指示去激活第一电子设备的C-V2X功能；或，若定位组件接收到位于预设的地理位置范围外的地理位置信息，则确定第一电子设备与第二电子设备完成数据交互；或，若蜂窝通信组件接收到的基站特征信息中不包括预设基站的特征信息，则确定第一电子设备与第二电子设备完成数据交互。
在激活第一电子设备的C-V2X功能之后，方法还包括：在显示界面上展示C-V2X功能激活的提示信息。
在第一电子设备通过C-V2X协议与第二电子设备进行数据交互时，方法还包括：在显示界面上展示数据交互的提示信息。
在去激活第一电子设备的C-V2X功能之后，方法还包括：在显示界面上展示C-V2X功能去激活的提示信息。
电子设备24可以是桌上型计算机、笔记本、掌上电脑及云端服务器等计算设备。该电子设备24可包括，但不仅限于，处理器241、存储器242。本领域技术人员可以理解，图24仅仅是电子设备24的举例，并不构成对电子设备24的限定，可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件，例如还可以包括输入输出设备、网络接入设备等。
所称处理器241可以是中央处理单元(Central Processing Unit，CPU)，该处理器241还可以是其他通用处理器、数字信号处理器(Digital Signal Processor，DSP)、专用集成电路(Application Specific Integrated Circuit，ASIC)、现成可编程门阵列(Field-Programmable Gate Array，FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
存储器242在一些实施例中可以是电子设备24的内部存储单元，例如电子设备24的硬盘或内存。存储器242在另一些实施例中也可以是电子设备24的外部存储设备，例如电子设备24上配备的插接式硬盘，智能存储卡(Smart Media Card,SMC)，安全数字(Secure Digital,SD)卡，闪存卡(Flash Card)等。进一步地，存储器242还可以既包括电子设备24的内部存储单元也包括外部存储设备。存储器242用于存储操作***、应用程序、引导装载程序(BootLoader)、数据以及其他程序等，例如计算机程序的程序代码等。存储器242还可以用于暂时地存储已经输出或者将要输出的数据。
本申请实施例提供了一种芯片***，芯片***应用于电子设备，其特征在于，芯片***内包括至少一个处理器、至少一个接口电路、以及C-V2X芯片，处理器、接口电路以及C-V2X芯片通过线路互联，C-V2X芯片激活时用于实现电子设备的C-V2X功能，处理器通过接口电路从电子设备接收并执行计算机指令以实现以下的C-V2X的低功耗方法：响应电子设备处于目标位置时发送的激活指令，激活C-V2X芯片，实现电子设备的C-V2X功能。响应电子设备发送的数据交互指令，通过C-V2X协议与第二电子设备进行数据交互。响应电子设备在确定电子设备与第二电子设备完成数据交互时发送的去激活指令，去激活C-V2X芯片。一些实施方式中，响应电子设备发送的 数据交互指令，通过C-V2X协议与第二电子设备进行数据交互，包括：接收第二电子设备发送的路侧信息。根据路侧信息，确认第二电子设备具有访问电子设备的权限。生成用于指示访问权限的鉴别报文和用于指示交易信息的交易验证码，并将鉴别报文和交易验证码发送给第二电子设备。接收第二电子设备根据鉴别报文和交易验证码发送的人机交互界面请求。响应人机交互界面请求，并向第二电子设备发送人机交互界面请求的响应结果。接收第二电子设备根据人机交互界面请求的响应结果发送的事件报告信息，事件报告信息用于指示电子设备与第二电子设备完成数据交互。
本申请实施例还提供了一种计算机可读存储介质，计算机可读存储介质存储有计算机程序，计算机程序被处理器执行时实现可实现上述各个方法实施例中的步骤。
本申请实施例提供了一种计算机程序产品，当计算机程序产品在移动终端上运行时，使得移动终端执行时实现可实现上述各个方法实施例中的步骤。
集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请实现上述实施例方法中的全部或部分流程，可以通过计算机程序来指令相关的硬件来完成，计算机程序可存储于一计算机可读存储介质中，该计算机程序在被处理器执行时，可实现上述各个方法实施例的步骤。其中，计算机程序包括计算机程序代码，计算机程序代码可以为源代码形式、对象代码形式、可执行文件或某些中间形式等。计算机可读介质至少可以包括：能够将计算机程序代码携带到电子设备的任何实体或装置、记录介质、计算机存储器、只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、电载波信号、电信信号以及软件分发介质。例如U盘、移动硬盘、磁碟或者光盘等。在某些司法管辖区，根据立法和专利实践，计算机可读介质不可以是电载波信号和电信信号。
在上述实施例中，对各个实施例的描述都各有侧重，某个实施例中没有详述或记载的部分，可以参见其它实施例的相关描述。
本领域普通技术人员可以意识到，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、或者计算机软件和电子硬件的结合来实现。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。
在本申请所提供的实施例中，应该理解到，所揭露的方法、装置和电子设备，可以通过其它的方式实现。例如，以上所描述的方法、装置和电子设备实施例仅仅是示意性的，例如，模块或单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个***，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通讯连接可以是通过一些接口，装置或单元的间接耦合或通讯连接，可以是电性，机械或其它的形式。
作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案 的目的。
最后应说明的是：以上，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何在本申请揭露的技术范围内的变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以权利要求的保护范围为准。

Claims (28)

  1. 一种蜂窝车用无线通讯C-V2X的低功耗方法，应用于第一电子设备，其特征在于，所述第一电子设备支持C-V2X功能，所述方法包括：
    当确定所述第一电子设备处于目标位置时，激活所述第一电子设备的C-V2X功能；
    所述第一电子设备通过C-V2X协议与第二电子设备进行数据交互；
    当确定所述第一电子设备与所述第二电子设备完成数据交互时，去激活所述第一电子设备的C-V2X功能。
  2. 根据权利要求1所述的方法，其特征在于，所述第一电子设备包括控制组件；
    所述确定所述第一电子设备处于目标位置包括：
    若所述控制组件接收到第一控制操作，则确定所述第一电子设备处于目标位置，其中，所述第一控制操作用于指示激活所述第一电子设备的C-V2X功能。
  3. 根据权利要求1所述的方法，其特征在于，所述第一电子设备包括定位组件；
    所述确定所述第一电子设备处于目标位置包括：
    若所述定位组件接收到位于预设的地理位置范围内的地理位置信息，则确定所述第一电子设备处于目标位置。
  4. 根据权利要求1所述的方法，其特征在于，所述第一电子设备包括蜂窝通信组件；
    所述确定所述第一电子设备处于目标位置包括：
    若所述蜂窝通信组件接收到的基站特征信息中包括预设基站的特征信息，则确定所述第一电子设备处于目标位置。
  5. 根据权利要求1-4任一项所述的方法，其特征在于，所述第一电子设备通过C-V2X协议与第二电子设备进行数据交互，包括：
    接收所述第二电子设备发送的路侧信息；
    根据所述路侧信息，确认所述第二电子设备具有访问所述第一电子设备的权限；
    生成用于指示所述访问权限的鉴别报文和用于指示交易信息的交易验证码，并将所述鉴别报文和所述交易验证码发送给所述第二电子设备；
    接收所述第二电子设备根据所述鉴别报文和所述交易验证码发送的人机交互界面请求；
    响应所述人机交互界面请求，并向所述第二电子设备发送所述人机交互界面请求的响应结果；
    接收所述第二电子设备根据所述人机交互界面请求的响应结果发送的事件报告信息，所述事件报告信息用于指示所述第一电子设备与所述第二电子设备完成数据交互。
  6. 根据权利要求5所述的方法，其特征在于，所述确定所述第一电子设备与所述第二电子设备完成数据交互，包括：
    若接收到所述事件报告信息，则确定所述第一电子设备与所述第二电子设备完成数据交互。
  7. 根据权利要求1所述的方法，其特征在于，所述第一电子设备包括控制组件；
    所述确定所述第一电子设备与所述第二电子设备完成数据交互，包括：
    若所述控制组件接收到第二控制操作，则确定所述第一电子设备与所述第二电子 设备完成数据交互，其中，所述第二控制操作用于指示去激活所述第一电子设备的C-V2X功能。
  8. 根据权利要求1所述的方法，其特征在于，所述第一电子设备包括定位组件；
    所述确定所述第一电子设备与所述第二电子设备完成数据交互，包括：
    若所述定位组件接收到位于预设的地理位置范围外的地理位置信息，则确定所述第一电子设备与所述第二电子设备完成数据交互。
  9. 根据权利要求1所述的方法，其特征在于，所述第一电子设备包括蜂窝通信组件；
    所述确定所述第一电子设备与所述第二电子设备完成数据交互，包括：
    若所述蜂窝通信组件接收到的基站特征信息中不包括预设基站的特征信息，则确定所述第一电子设备与所述第二电子设备完成数据交互。
  10. 根据权利要求1-9任一项所述的方法，其特征在于，所述第一电子设备包括用于展示显示界面的显示组件；
    在激活所述第一电子设备的C-V2X功能之后，所述方法还包括：
    在所述显示界面上展示所述C-V2X功能激活的提示信息。
  11. 根据权利要求10所述的方法，其特征在于，在所述第一电子设备通过C-V2X协议与第二电子设备进行数据交互时，所述方法还包括：
    在所述显示界面上展示所述数据交互的提示信息。
  12. 根据权利要求10所述的方法，其特征在于，在去激活所述第一电子设备的C-V2X功能之后，所述方法还包括：
    在所述显示界面上展示所述C-V2X功能去激活的提示信息。
  13. 根据权利要求1所述的方法，其特征在于，所述第一电子设备包括控制组件、定位组件、蜂窝通信组件和用于展示显示界面的显示组件；
    所述确定所述第一电子设备处于目标位置包括：
    若所述控制组件接收到第一控制操作，则确定所述第一电子设备处于目标位置，其中，所述第一控制操作用于指示激活所述第一电子设备的C-V2X功能；或，
    若所述定位组件接收到位于预设的地理位置范围内的地理位置信息，则确定所述第一电子设备处于目标位置；或，
    若所述蜂窝通信组件接收到的基站特征信息中包括预设基站的特征信息，则确定所述第一电子设备处于目标位置；
    所述第一电子设备通过C-V2X协议与第二电子设备进行数据交互，包括：
    接收所述第二电子设备发送的路侧信息；
    根据所述路侧信息，确认所述第二电子设备具有访问所述第一电子设备的权限；
    生成用于指示所述访问权限的鉴别报文和用于指示交易信息的交易验证码，并将所述鉴别报文和所述交易验证码发送给所述第二电子设备；
    接收所述第二电子设备根据所述鉴别报文和所述交易验证码发送的人机交互界面请求；
    响应所述人机交互界面请求，并向所述第二电子设备发送所述人机交互界面请求的响应结果；
    接收所述第二电子设备根据所述人机交互界面请求的响应结果发送的事件报告信息，所述事件报告信息用于指示所述第一电子设备与所述第二电子设备完成数据交互；
    所述确定所述第一电子设备与所述第二电子设备完成数据交互，包括：
    若接收到所述事件报告信息，则确定所述第一电子设备与所述第二电子设备完成数据交互；或，
    若所述控制组件接收到第二控制操作，则确定所述第一电子设备与所述第二电子设备完成数据交互，其中，所述第二控制操作用于指示去激活所述第一电子设备的C-V2X功能；或，
    若所述定位组件接收到位于预设的地理位置范围外的地理位置信息，则确定所述第一电子设备与所述第二电子设备完成数据交互；或，
    若所述蜂窝通信组件接收到的基站特征信息中不包括预设基站的特征信息，则确定所述第一电子设备与所述第二电子设备完成数据交互；
    在激活所述第一电子设备的C-V2X功能之后，所述方法还包括：在所述显示界面上展示所述C-V2X功能激活的提示信息；
    在所述第一电子设备通过C-V2X协议与第二电子设备进行数据交互时，所述方法还包括：在所述显示界面上展示所述数据交互的提示信息；
    在去激活所述第一电子设备的C-V2X功能之后，所述方法还包括：在所述显示界面上展示所述C-V2X功能去激活的提示信息。
  14. 一种电子设备，包括存储器、处理器以及存储在所述存储器中并可在所述处理器上运行的计算机程序，其特征在于，所述电子设备支持C-V2X功能，所述处理器执行所述计算机程序时实现以下的C-V2X的低功耗方法：
    当确定所述电子设备处于目标位置时，激活所述电子设备的C-V2X功能；
    所述电子设备通过C-V2X协议与第二电子设备进行数据交互；
    当确定所述电子设备与所述第二电子设备完成数据交互时，去激活所述电子设备的C-V2X功能。
  15. 根据权利要求14所述的电子设备，其特征在于，所述电子设备包括控制组件；
    所述确定所述电子设备处于目标位置包括：
    若所述控制组件接收到第一控制操作，则确定所述电子设备处于目标位置，其中，所述第一控制操作用于指示激活所述电子设备的C-V2X功能。
  16. 根据权利要求14所述的电子设备，其特征在于，所述电子设备包括定位组件；
    所述确定所述电子设备处于目标位置包括：
    若所述定位组件接收到位于预设的地理位置范围内的地理位置信息，则确定所述电子设备处于目标位置。
  17. 根据权利要求14所述的电子设备，其特征在于，所述电子设备包括蜂窝通信组件；
    所述确定所述电子设备处于目标位置包括：
    若所述蜂窝通信组件接收到的基站特征信息中包括预设基站的特征信息，则确定所述电子设备处于目标位置。
  18. 根据权利要求14-17任一项所述的电子设备，其特征在于，所述电子设备通 过C-V2X协议与第二电子设备进行数据交互，包括：
    接收所述第二电子设备发送的路侧信息；
    根据所述路侧信息，确认所述第二电子设备具有访问所述电子设备的权限；
    生成用于指示所述访问权限的鉴别报文和用于指示交易信息的交易验证码，并将所述鉴别报文和所述交易验证码发送给所述第二电子设备；
    接收所述第二电子设备根据所述鉴别报文和所述交易验证码发送的人机交互界面请求；
    响应所述人机交互界面请求，并向所述第二电子设备发送所述人机交互界面请求的响应结果；
    接收所述第二电子设备根据所述人机交互界面请求的响应结果发送的事件报告信息，所述事件报告信息用于指示所述电子设备与所述第二电子设备完成数据交互。
  19. 根据权利要求18所述的电子设备，其特征在于，所述确定所述电子设备与所述第二电子设备完成数据交互，包括：
    若接收到所述事件报告信息，则确定所述电子设备与所述第二电子设备完成数据交互。
  20. 根据权利要求14所述的电子设备，其特征在于，所述电子设备包括控制组件；
    所述确定所述电子设备与所述第二电子设备完成数据交互，包括：
    若所述控制组件接收到第二控制操作，则确定所述电子设备与所述第二电子设备完成数据交互，其中，所述第二控制操作用于指示去激活所述电子设备的C-V2X功能。
  21. 根据权利要求14所述的电子设备，其特征在于，所述电子设备包括定位组件；
    所述确定所述电子设备与所述第二电子设备完成数据交互，包括：
    若所述定位组件接收到位于预设的地理位置范围外的地理位置信息，则确定所述电子设备与所述第二电子设备完成数据交互。
  22. 根据权利要求14所述的电子设备，其特征在于，所述电子设备包括蜂窝通信组件；
    所述确定所述电子设备与所述第二电子设备完成数据交互，包括：
    若所述蜂窝通信组件接收到的基站特征信息中不包括预设基站的特征信息，则确定所述电子设备与所述第二电子设备完成数据交互。
  23. 根据权利要求14-22任一项所述的电子设备，其特征在于，所述电子设备包括用于展示显示界面的显示组件；
    在激活所述电子设备的C-V2X功能之后，所述方法还包括：
    在所述显示界面上展示所述C-V2X功能激活的提示信息。
  24. 根据权利要求23所述的电子设备，其特征在于，在所述电子设备通过C-V2X协议与第二电子设备进行数据交互时，所述方法还包括：
    在所述显示界面上展示所述数据交互的提示信息。
  25. 根据权利要求23所述的电子设备，其特征在于，在去激活所述电子设备的C-V2X功能之后，所述方法还包括：
    在所述显示界面上展示所述C-V2X功能去激活的提示信息。
  26. 根据权利要求14所述的电子设备，其特征在于，所述电子设备包括控制组件、 定位组件、蜂窝通信组件和用于展示显示界面的显示组件；
    所述确定所述电子设备处于目标位置包括：
    若所述控制组件接收到第一控制操作，则确定所述电子设备处于目标位置，其中，所述第一控制操作用于指示激活所述电子设备的C-V2X功能；或，
    若所述定位组件接收到位于预设的地理位置范围内的地理位置信息，则确定所述电子设备处于目标位置；或，
    若所述蜂窝通信组件接收到的基站特征信息中包括预设基站的特征信息，则确定所述电子设备处于目标位置；
    所述电子设备通过C-V2X协议与第二电子设备进行数据交互，包括：
    接收所述第二电子设备发送的路侧信息；
    根据所述路侧信息，确认所述第二电子设备具有访问所述电子设备的权限；
    生成用于指示所述访问权限的鉴别报文和用于指示交易信息的交易验证码，并将所述鉴别报文和所述交易验证码发送给所述第二电子设备；
    接收所述第二电子设备根据所述鉴别报文和所述交易验证码发送的人机交互界面请求；
    响应所述人机交互界面请求，并向所述第二电子设备发送所述人机交互界面请求的响应结果；
    接收所述第二电子设备根据所述人机交互界面请求的响应结果发送的事件报告信息，所述事件报告信息用于指示所述电子设备与所述第二电子设备完成数据交互；
    所述确定所述电子设备与所述第二电子设备完成数据交互，包括：
    若接收到所述事件报告信息，则确定所述电子设备与所述第二电子设备完成数据交互；或，
    若所述控制组件接收到第二控制操作，则确定所述电子设备与所述第二电子设备完成数据交互，其中，所述第二控制操作用于指示去激活所述电子设备的C-V2X功能；或，
    若所述定位组件接收到位于预设的地理位置范围外的地理位置信息，则确定所述电子设备与所述第二电子设备完成数据交互；或，
    若所述蜂窝通信组件接收到的基站特征信息中不包括预设基站的特征信息，则确定所述电子设备与所述第二电子设备完成数据交互；
    在激活所述电子设备的C-V2X功能之后，所述方法还包括：在所述显示界面上展示所述C-V2X功能激活的提示信息；
    在所述电子设备通过C-V2X协议与第二电子设备进行数据交互时，所述方法还包括：在所述显示界面上展示所述数据交互的提示信息；
    在去激活所述电子设备的C-V2X功能之后，所述方法还包括：在所述显示界面上展示所述C-V2X功能去激活的提示信息。
  27. 一种芯片***，所述芯片***应用于电子设备，其特征在于，所述芯片***内包括至少一个处理器、至少一个接口电路、以及C-V2X芯片，所述处理器、所述接口电路以及所述C-V2X芯片通过线路互联，所述C-V2X芯片激活时用于实现所述电子设备的C-V2X功能，所述处理器通过所述接口电路从所述电子设备接收并执行计算机 指令以实现以下的C-V2X的低功耗方法：
    响应所述电子设备处于目标位置时发送的激活指令，激活所述C-V2X芯片，实现所述电子设备的C-V2X功能；
    响应所述电子设备发送的数据交互指令，通过C-V2X协议与第二电子设备进行数据交互；
    响应所述电子设备在确定所述电子设备与所述第二电子设备完成数据交互时发送的去激活指令，去激活所述C-V2X芯片。
  28. 根据权利要求27所述的芯片***，其特征在于，所述响应所述电子设备发送的数据交互指令，通过C-V2X协议与第二电子设备进行数据交互，包括：
    接收所述第二电子设备发送的路侧信息；
    根据所述路侧信息，确认所述第二电子设备具有访问所述电子设备的权限；
    生成用于指示所述访问权限的鉴别报文和用于指示交易信息的交易验证码，并将所述鉴别报文和所述交易验证码发送给所述第二电子设备；
    接收所述第二电子设备根据所述鉴别报文和所述交易验证码发送的人机交互界面请求；
    响应所述人机交互界面请求，并向所述第二电子设备发送所述人机交互界面请求的响应结果；
    接收所述第二电子设备根据所述人机交互界面请求的响应结果发送的事件报告信息，所述事件报告信息用于指示所述电子设备与所述第二电子设备完成数据交互。
PCT/CN2021/109299 2020-08-17 2021-07-29 C-v2x的低功耗方法、电子设备及芯片*** WO2022037384A1 (zh)

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