WO2021051894A1 - 信息传输方法和信息传输装置 - Google Patents

信息传输方法和信息传输装置 Download PDF

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Publication number
WO2021051894A1
WO2021051894A1 PCT/CN2020/095041 CN2020095041W WO2021051894A1 WO 2021051894 A1 WO2021051894 A1 WO 2021051894A1 CN 2020095041 W CN2020095041 W CN 2020095041W WO 2021051894 A1 WO2021051894 A1 WO 2021051894A1
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WO
WIPO (PCT)
Prior art keywords
transmission power
information
detection device
indication information
power
Prior art date
Application number
PCT/CN2020/095041
Other languages
English (en)
French (fr)
Inventor
宋思达
马莎
高磊
高鲁涛
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP20864853.5A priority Critical patent/EP4023524A4/en
Publication of WO2021051894A1 publication Critical patent/WO2021051894A1/zh
Priority to US17/698,047 priority patent/US20220207998A1/en

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
    • G08G1/0125—Traffic data processing
    • G08G1/0133—Traffic data processing for classifying traffic situation
    • 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
    • H04W52/04—TPC
    • H04W52/38—TPC being performed in particular situations
    • H04W52/50—TPC being performed in particular situations at the moment of starting communication in a multiple access environment
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/003—Transmission of data between radar, sonar or lidar systems and remote stations
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/40—Means for monitoring or calibrating
    • G01S7/4004—Means for monitoring or calibrating of parts of a radar system
    • G01S7/4008—Means for monitoring or calibrating of parts of a radar system of transmitters
    • G01S7/4013—Means for monitoring or calibrating of parts of a radar system of transmitters involving adjustment of the transmitted power
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
    • G08G1/0108—Measuring and analyzing of parameters relative to traffic conditions based on the source of data
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/04—Detecting movement of traffic to be counted or controlled using optical or ultrasonic detectors
    • 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
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/32—TPC of broadcast or control channels
    • H04W52/322—Power control of broadcast channels
    • 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
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/86—Combinations of radar systems with non-radar systems, e.g. sonar, direction finder
    • G01S13/867—Combination of radar systems with cameras
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/023—Interference mitigation, e.g. reducing or avoiding non-intentional interference with other HF-transmitters, base station transmitters for mobile communication or other radar systems, e.g. using electro-magnetic interference [EMI] reduction techniques
    • 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
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/16—Deriving transmission power values from another channel

Definitions

  • This application relates to the field of sensor technology, and more specifically, to an information transmission method and an information transmission device in the field of sensor technology.
  • the radar detection device in the prior art uses a fixed transmit power to transmit radar signals.
  • the vehicle on which the radar detection device is located is faced with diversity and variability in the driving environment. Therefore, the method in the prior art is adopted. Inability to adapt to the changing driving environment and poor flexibility.
  • the present application provides an information transmission method and device.
  • the radar detection device can transmit information related to the transmission power used to transmit the radar signal through the interface, so as to adapt to the changeable driving environment and has strong flexibility.
  • this application provides an information transmission method, which includes:
  • the first detection device receives instruction information, where the instruction information is used to instruct the first detection device to determine the first transmission power used to transmit the radar signal;
  • the first detection device determines the first transmission power according to the instruction information.
  • the first detection device may receive the indication information sent by the processing device.
  • the first detection device may receive the indication information sent by the communication device.
  • the first detection device may receive the instruction information sent by the communication device through the processing device.
  • the interface enables the first detection device to flexibly adjust the transmission power used to transmit the radar signal according to the instruction information, so as to adapt to the changing driving environment.
  • the method further includes: the first detection device uses the first transmission power to transmit the radar signal.
  • the method further includes: at least one of the transmission power information and the indication information of the first detection device and time-frequency resource information, where the power information is used to indicate the first A transmission power and the time-frequency resource information are used to indicate the time-frequency resource used for the radar signal.
  • the first detection device may send the power information and the time-frequency resource information; or, the first detection device may send the indication information and the time-frequency resource information; or, the The first detection apparatus may send the power information, the indication information, and the time-frequency resource information.
  • the transmission power information and at least one of the indication information and time-frequency resource information of the first detection device includes: the first detection device sends the communication device, the processing device, or the second detection device to the communication device, the processing device, or the second The second detection device sends at least one of the power information and the indication information and time-frequency resource information.
  • the first detection device may send the above-mentioned various information to the communication device; accordingly, after the communication device receives the above-mentioned various information , Can broadcast the above-mentioned various information.
  • the The first detection device may send the above-mentioned various information to the communication device through the processing device; accordingly, the communication device may broadcast the above-mentioned various information.
  • At least one of power information and indication information and time-frequency resource information are broadcast to other terminals, so that other terminals can determine that the first detection device is allocated according to the above-mentioned various information.
  • the first transmission power used to transmit the radar signal on the time-frequency resource so that the other terminal can determine the time-frequency resource used by its own radar detection device to transmit the radar signal based on this.
  • other terminals know the time-frequency resources of each surrounding terminal and the transmit power used by each terminal to transmit radar signals on that time-frequency resource, and can determine whether each block of time-frequency resources is in an idle state or a busy state, thereby One of the more idle time-frequency resources can be selected to reduce the interference between the radar signals emitted by the radar detection devices of different terminals.
  • the first detection apparatus may broadcast at least one of the power information and the indication information and time-frequency resource information.
  • the first detection device determining the first transmit power according to the indication information includes: the first detection device determines the second current to be used according to the indication information The transmission power is adjusted to the first transmission power.
  • the indication information indicates the state of the traffic light closest to the terminal where the first detection device is located in the current driving direction, and the state of the traffic light includes a red light, a yellow light, or a green light.
  • the first detection device determines to adjust the second transmission power to the first transmission power according to the instruction information, including: when the state of the traffic light is red, The first detection device determines that the second transmission power is adjusted to the first transmission power, and the first transmission power is less than or equal to the second transmission power; or, when the state of the traffic light is green When the first detection device determines to adjust the second transmission power to the first transmission power, the first transmission power is greater than or equal to the second transmission power.
  • the first detection device when the traffic light is red, the first detection device can reduce the currently used second transmission power, or when the second transmission power is the lowest power of the first detection device, the first detection device can Maintain the second transmission power; when the traffic light is green, the first detection device can increase the currently used second transmission power, or when the second transmission power is the highest power of the first detection device, the first detection device The detection device can maintain the second transmission power; when the traffic light is a yellow light, the first detection device can maintain the currently used second transmission power.
  • the indication information indicates the congestion state of the road in the current driving direction of the terminal where the first detection device is located, and the congestion state of the road includes congestion, normal, or unblocked.
  • the first detection device determines to adjust the second transmission power to the first transmission power according to the indication information, including: when the congestion state of the road is congested, The first detection device determines to adjust the second transmission power to the first transmission power, and the first transmission power is less than or equal to the second transmission power; or, when the congestion state of the road is unblocked The first detection device determines to adjust the second transmission power to the first transmission power, and the first transmission power is greater than or equal to the second transmission power.
  • the first detection device when the road is congested, the first detection device can lower the currently used second transmission power, or when the second transmission power is the lowest power of the first detection device, the first detection device can maintain the The second transmission power; when the road is clear, the first detection device can increase the currently used second transmission power, or when the second transmission power is the highest power of the first detection device, the first detection device can maintain The second transmission power; when the road is normal, the first detection device can maintain the currently used second transmission power.
  • the first detection device adjusts the transmission power to meet its own detection requirements, and also Can reduce interference to other detection devices.
  • this application also provides an information transmission method, which includes:
  • the first device determines instruction information, where the instruction information is used to instruct the first detection device to determine the first transmission power used to transmit the radar signal;
  • the first device sends the instruction information to the first detection device.
  • the first detection device Using the information transmission method provided in the embodiments of the present application, there is an interface between the first detection device and the first device for transmitting indication information for indicating the first transmission power used to transmit radar signals, so that the first device can pass through the The indication information instructs the first detection device to flexibly adjust the transmission power used to transmit the radar signal to adapt to the changing driving environment.
  • the first device determining the instruction information includes: the first device receives the instruction information sent by the second device.
  • the second device may be a communication device, or a camera device or a navigation device.
  • the second device may be another terminal or device.
  • the method further includes: the first device receiving power information sent by the first detection device according to the indication information, the power information being used to indicate the first transmission power .
  • the method further includes: the first device sending at least one of the power information and the indication information and time-frequency resource information, where the time-frequency resource information is used to indicate The time-frequency resource used for the radar signal.
  • the sending, by the first device, at least one of the power information and the indication information and time-frequency resource information includes: the first device sends the power information to a communication device And at least one of the indication information and the time-frequency resource information.
  • At least one of power information and indication information and time-frequency resource information are broadcast to other terminals, so that other terminals can determine that the first detection device is allocated according to the above-mentioned various information.
  • the first transmission power used to transmit the radar signal on the time-frequency resource so that the other terminal can determine the time-frequency resource used by its own radar detection device to transmit the radar signal based on this.
  • the indication information indicates the state of the traffic light closest to the terminal where the first detection device is located in the current driving direction, and the state of the traffic light includes a red light, a yellow light, or a green light.
  • the first device may acquire a first image, and the first image includes a traffic light in the current driving direction that is closest to the terminal where the first detection device is located; The state of the traffic light in the image determines the indication information.
  • the first device may obtain an electronic map updated in real time, the electronic map indicating the state of the traffic light in the current driving direction that is closest to the terminal where the first detection device is located, according to the state indicated in the electronic map The state of the traffic light determines the indication information.
  • the first device may obtain traffic light information, where the traffic light information is used to indicate the state of the traffic light; and determine the state of the traffic light according to the traffic light information.
  • the first device may receive the traffic light information sent by a communication device or a camera device.
  • the indication information indicates the congestion state of the road in the current driving direction of the terminal where the first detection device is located, and the congestion state of the road includes congestion, normal, or unblocked.
  • the first device may acquire a second image, and the second image includes other terminals in the current driving direction of the terminal where the first detection device is located; the first device is based on the second image, Determine the congestion state of the road; the first device determines the indication information according to the congestion state of the road.
  • the first device may also obtain an electronic map updated in real time, the electronic map indicating the congestion state of the road in the current driving direction, according to the electronic map; determining the congestion state of the road; according to the congestion Status, determine the indication information.
  • the first device may also obtain traffic flow information, where the traffic flow information is used to indicate the traffic flow in the current driving direction or the length of the queue of vehicles; determine the congestion state of the road according to the traffic flow information ; According to the congestion state, determine the indication information.
  • the first device can instruct the first detection device to flexibly adjust the first transmission power used to transmit radar signals in different driving environments, so as to adapt to the changing driving environment.
  • the present application also provides an information transmission device, which is used to execute the above aspects or the methods in any possible implementation manners of the aspects.
  • the information transmission device may include a unit for executing the above-mentioned various aspects or methods in any possible implementation manners thereof.
  • the present application also provides an information transmission device, the device including: a memory, a processor, a transceiver, and instructions stored in the memory and running on the processor, wherein the memory, the processor And the communication interfaces communicate with each other through an internal connection path, and it is characterized in that the processor executes the instruction to enable the device to implement the foregoing aspects or methods in any possible implementation manners.
  • the information transmission device may be a vehicle-mounted terminal or a radar detection device in the vehicle-mounted terminal.
  • the present application also provides a computer-readable storage medium for storing a computer program, and the computer program includes instructions for implementing the above-mentioned aspects or methods in any possible implementation manners.
  • the present application also provides a computer program product containing instructions, which when run on a computer, enables the computer to implement the above-mentioned aspects or methods in any possible implementation manners.
  • the present application also provides a chip device, including: an input interface, an output interface, at least one processor, and a memory.
  • the input interface, the output interface, the processor and the memory communicate with each other through an internal connection path,
  • the processor is configured to execute the code in the memory, and when the processor executes the code, the chip device implements the foregoing aspects or methods in any possible implementation manner.
  • Figure 1 provides a schematic diagram of an application scenario of an embodiment of the present application
  • Figure 2 provides a schematic diagram of the system architecture of an embodiment of the present application
  • FIG. 3 provides a schematic diagram of another system architecture of an embodiment of the present application.
  • FIG. 4 provides a schematic diagram of another system architecture according to an embodiment of the present application.
  • FIG. 5 provides a schematic flowchart of an information transmission method 100 according to an embodiment of the present application
  • FIG. 6 provides a schematic flowchart of an information transmission method 200 according to an embodiment of the present application.
  • FIG. 7 provides a schematic flowchart of an information transmission method 300 according to an embodiment of the present application.
  • FIG. 8 provides a schematic flowchart of an information transmission method 400 according to an embodiment of the present application.
  • FIG. 9 provides a schematic flowchart of an information transmission apparatus 500 according to an embodiment of the present application.
  • FIG. 10 provides a schematic flowchart of an information transmission device 600 according to an embodiment of the present application.
  • FIG. 11 provides a schematic flowchart of an information transmission apparatus 700 according to an embodiment of the present application.
  • FIG. 12 provides a schematic flowchart of an information transmission apparatus 800 according to an embodiment of the present application.
  • Fig. 1 shows a schematic diagram of an application scenario provided by an embodiment of the present application.
  • the application scenario may be unmanned driving, automatic driving, intelligent driving, networked driving, and the like.
  • the radar detection device can be installed on the terminal.
  • it can be a motor vehicle (such as an unmanned vehicle, a smart car, an electric car, a digital car, etc.), a drone, a rail car, a bicycle, a traffic light, etc.
  • the terminal that transmits the radar signal demand.
  • the terminal may be mobile or fixed, which is not limited in the embodiment of the present application.
  • a processing device and a communication device may also be installed on the aforementioned terminal.
  • the radar detection device may be, for example, a radar device
  • the processing device may be, for example, a processor
  • the communication device may be, for example, a V2X device.
  • the radar detection device, processing device, and communication device can be installed on the terminal as an in-vehicle system or an in-vehicle terminal of the terminal.
  • the above-mentioned in-vehicle system may also include other devices with other functions, for example, a camera device, a navigation device, etc., which are not limited in the embodiment of the present application.
  • Figure 2 shows a system architecture diagram provided by an embodiment of the present application.
  • the system includes a radar detection device, a processing device, and a communication device.
  • the radar detection device can communicate with the processing device.
  • the radar detection device may communicate with the processing device in a wired or wireless manner.
  • the radar detection device has an interface for communicating with the processing device, and the processing device also has an interface for communicating with the radar detection device, and the radar detection device and the processing device communicate through a corresponding interface.
  • the processing device may communicate with the communication device.
  • the processing device may communicate with the communication device in a wired or wireless manner.
  • the processing device has an interface for communicating with the communication device, and the communication device also has an interface for communicating with the processing device, and the communication device and the processing device communicate through a corresponding interface.
  • the communication device can also communicate with the radar detection device.
  • the communication device may communicate with the radar detection device in a wired or wireless manner.
  • a radar detection device has an interface for communicating with a communication device, and the communication device also has an interface for communicating with a radar detection device, and the radar detection device and the communication device communicate through a corresponding interface.
  • wired manner may be connected through a data line or through an internal bus connection to achieve communication.
  • the communication network may be a local area network, or a wide area network switched by a relay device, or include a local area network and a wide area network.
  • the communication network may be a short-distance communication network such as a wifi hotspot network, a wifi P2P network, a Bluetooth network, a zigbee network, or a near field communication (NFC) network.
  • the communication network may be a 3rd-generation wireless telephone technology (3G) network, or the 4th generation mobile communication technology (4G). ) Network, 5th-generation mobile communication technology (5G) network, public land mobile network (PLMN) or the Internet, etc., which are not limited in the embodiment of the present application.
  • the radar detection device, the processing device, and the communication device may be three independent devices, and these three devices may be installed on the terminal respectively; or, the radar detection device, the processing device, and the communication device may be integrated into one device, The equipment is installed on the terminal; or, the radar detection device and the processing device can be integrated into one device, and the equipment and the communication device are separately installed on the terminal; or, the radar detection device and the communication device can be integrated into one device, the equipment The processing device and the processing device are separately installed on the terminal; or, the processing device and the communication device can be integrated into one device, and the device and the radar detection device are installed on the terminal respectively.
  • the radar detection device, processing device, and communication device are integrated in one device or are independent devices, in the following description, the radar detection device, processing device, and communication device are all described.
  • the radar detection device may also have a processing function and/or a communication function, for example, a processing module or a communication module may be integrated in the radar detection device; the communication device may also have a processing function, for example, a communication device
  • the processing module can be integrated, which is not limited in the embodiment of the present application.
  • the system may also include a navigation device and a camera device.
  • processing device can communicate with the navigation device.
  • the processing device may navigate with the navigation device in a wired manner.
  • the processing device has an interface for navigating with the navigation device, and the navigation device also has an interface for navigating with the processing device, and the navigation device and the processing device perform navigation through corresponding interfaces.
  • the processing device may communicate with the navigation device in a wireless manner.
  • the processing device may communicate with the navigation device through a communication network.
  • processing device can communicate with the camera device.
  • the processing device may take a picture with the camera device in a wired manner.
  • the processing device has an interface for imaging with the imaging device, and the imaging device also has an interface for imaging with the processing device, and the imaging device and the processing device perform imaging through corresponding interfaces.
  • the processing device may communicate with the camera device in a wireless manner.
  • the processing device may communicate with the camera device through a communication network.
  • the navigation device may be an electronic navigation device, and the electronic navigation device may include an electronic map.
  • the camera device may be a camera device or a camera device.
  • the navigation device or the camera device may also have a processing function.
  • the navigation device may integrate a processing module
  • the camera device may also integrate a processing module, which is not limited in this application.
  • the system may also include other devices with other functions, which are not limited in the embodiment of the present application.
  • the system may also include displays, sensors, and so on.
  • FIG. 5 shows a schematic flowchart of an information transmission method 100 provided by an embodiment of the present application.
  • the method 100 is suitable for the application scenario described in FIG. 1 and the system described in FIG. 2 to FIG. 4.
  • the first detection device receives instruction information, where the instruction information is used to instruct the first detection device to determine the first transmission power used to transmit the radar signal.
  • the first detection device determines the first transmission power according to the indication information.
  • the first detection device may be the radar detection device in FIGS. 2 to 4.
  • the first detection device may receive the indication information through a variety of different channels, which is not limited in the embodiment of the present application.
  • the first detection device may receive the instruction information sent by the processing device.
  • the first detection device may receive the instruction information sent by the communication device.
  • the first detection device may receive the instruction information sent by the communication device through the processing device.
  • the indication information may be in a variety of different forms, which is not limited in the embodiment of the present application.
  • the indication information may directly indicate the first transmit power.
  • the first detection device may determine the first transmission power according to the indication information.
  • the indication information includes multiple bits, and the first transmit power is expressed by the multiple bits.
  • the indication information may indicate an offset value between the first transmission power and the currently used second transmission power, and the offset value indicates the first transmission power.
  • the first detection device may determine the first transmission power according to the offset value.
  • the currently used second transmission power is M
  • the indication information may indicate the state of the traffic light closest to the terminal where the first detection device is located in the current driving direction, and the state of the traffic light includes a red light, a yellow light, or a green light.
  • the first detection device may determine to adjust the currently used second transmission power to the first transmission power according to the state of the traffic light.
  • the first detection device may determine to adjust the second transmission power to the first transmission power, and the first transmission power is less than or equal to the first transmission power. 2. Transmitting power.
  • the first detection device when the traffic light is red, the first detection device can reduce the currently used second transmission power, or when the second transmission power is the lowest power of the first detection device, the first detection device can Maintain the second transmit power.
  • the first detection device may determine to adjust the second transmission power to the first transmission power, and the first transmission power is greater than or equal to the second transmission power. Transmit power.
  • the first detection device when the traffic light is green, the first detection device can increase the currently used second transmission power, or when the second transmission power is the highest power of the first detection device, the first detection device can Maintain the second transmit power.
  • the first detection device may determine to keep the second transmission power unchanged, that is, the first transmission power is equal to the second transmission power.
  • the first detection device can maintain the currently used second transmitting power.
  • the indication information may indicate the congestion state of the road in the current driving direction of the terminal where the first detection device is located, and the congestion state of the road includes congestion, normal, or unblocked.
  • the first detection device may determine to adjust the currently used second transmission power to the first transmission power according to the state of the traffic light.
  • the first detection device determines to adjust the second transmission power to the first transmission power, and the first transmission power is less than the second transmission power.
  • the first detection device when the road is congested, the first detection device can lower the currently used second transmission power, or when the second transmission power is the lowest power of the first detection device, the first detection device can maintain the The second transmit power.
  • the first detection device determines to adjust the second transmission power to the first transmission power, and the first transmission power is greater than or equal to the second transmission power. Transmit power.
  • the first detection device when the road is clear, the first detection device can increase the currently used second transmission power, or when the second transmission power is the highest power of the first detection device, the first detection device can maintain the The second transmit power.
  • the first detection device determines to keep the second transmission power unchanged, that is, the first transmission power is equal to the second transmission power.
  • the first detection device can maintain the currently used second transmitting power.
  • the interface enables the first detection device to flexibly adjust the transmission power used to transmit the radar signal according to the instruction information, so as to adapt to the changing driving environment.
  • the first detection device can adjust the transmission power to meet its own detection requirements while reducing interference with other detection devices.
  • the method may further include: the first detection device uses the first transmission power to transmit the radar signal.
  • the method may further include: the first detection apparatus transmits at least one of power information and the indication information, and time-frequency resource information, where the power information is used to indicate the first A transmission power and the time-frequency resource information are used to indicate the time-frequency resource used for the radar signal.
  • the first detection device may send the power information and the time-frequency resource information; or, the first detection device may send the indication information and the time-frequency resource information; or, the The first detection apparatus may send the power information, the indication information, and the time-frequency resource information.
  • the first detection device may send at least one of the power information and the indication information and the time-frequency resource information through a variety of different channels, which is not limited in the embodiment of the present application.
  • the first detection device may send at least one of the power information and the indication information and time-frequency resource information to a communication device, a processing device, or a second detection device.
  • the second detection device may be a radar detection device installed on other terminals.
  • the first detection device may send the above-mentioned various information to the communication device; accordingly, after the communication device receives the above-mentioned various information , Can broadcast the above-mentioned various information.
  • the The first detection device may send the above-mentioned various information to the communication device through the processing device; accordingly, the communication device may broadcast the above-mentioned various information.
  • the first detection apparatus may broadcast at least one of the power information and the indication information and time-frequency resource information.
  • the first detection device itself includes a communication module, and the first detection device may broadcast the foregoing various information through its own communication module.
  • the first detection device may transmit a radar signal, and the radar signal carries the foregoing various information.
  • At least one of power information and indication information and time-frequency resource information are broadcast to other terminals, so that other terminals can determine that the first detection device is allocated according to the above-mentioned various information.
  • the first transmission power used to transmit the radar signal on the time-frequency resource so that the other terminal can determine the time-frequency resource used by its own radar detection device to transmit the radar signal based on this.
  • other terminals know the time-frequency resources of each surrounding terminal and the transmit power used by each terminal to transmit radar signals on that time-frequency resource, and can determine whether each block of time-frequency resources is in an idle state or a busy state, thereby One of the more idle time-frequency resources can be selected to reduce the interference between the radar signals emitted by the radar detection devices of different terminals.
  • Fig. 6 shows a schematic flowchart of an information transmission method 200 provided by an embodiment of the present application.
  • the method 200 is suitable for the application scenario described in Fig. 1 and the system described in Figs. 2 to 4.
  • the first device determines instruction information, where the instruction information is used to instruct the first detection device to determine the first transmit power used to transmit the radar signal.
  • S220 The first device sends the indication information to the first detection device.
  • the first device may be the processing device or the communication device in FIG. 2 to FIG. 4.
  • the indication information may be in a variety of different forms, which is not limited in the embodiment of the present application.
  • the indication information may directly indicate the first transmit power.
  • the indication information includes multiple bits, and the first transmit power is expressed by the multiple bits.
  • the indication information may indicate an offset value between the first transmission power and the currently used second transmission power, and the offset value indicates the first transmission power.
  • the currently used second transmit power is M
  • the indication information may indicate the state of the traffic light closest to the terminal where the first detection device is located in the current driving direction, and the state of the traffic light includes a red light, a yellow light, or a green light. .
  • the indication information may indicate the congestion state of the road in the current driving direction of the terminal where the first detection device is located, and the congestion state of the road includes congestion, normal, or unblocked.
  • the first device may determine the indication information in a variety of different ways, which is not limited in the embodiment of the present application.
  • the first device may receive the instruction information sent by the second device.
  • the second device may be a communication device, or a camera device or a navigation device.
  • the second device may be another terminal or device.
  • the first device may determine the indication information by itself.
  • the following describes how the first device determines the indication information described in the third and fourth possible implementation manners in different situations.
  • the indication information indicates the state of the traffic light closest to the terminal where the first detection device is located in the current driving direction, and the state of the traffic light includes a red light, a yellow light, or a green light.
  • the first device may acquire a first image, and the first image includes a traffic light in the current driving direction that is closest to the terminal where the first detection device is located; The state of the traffic light in an image determines the indication information.
  • the processing device may obtain the first image from a camera device.
  • the first device may obtain an electronic map updated in real time, the electronic map indicating the state of the traffic light closest to the terminal where the first detection device is located in the current driving direction, according to the The state of the traffic light indicated by the electronic map determines the indication information.
  • the electronic map may indicate the status of multiple traffic lights around the terminal where the first detection device is located, and the first device may determine the traffic light based on the electronic map and the location of the terminal. And determine the indication information according to the status of the traffic light.
  • the processing device may obtain the electronic map from a navigation device.
  • the first device may obtain traffic light information, where the traffic light information is used to indicate the state of the traffic light; according to the state of the traffic light indicated by the traffic light information , Determine the instruction information.
  • the processing device may scan a two-dimensional code set on the roadside through the camera device to determine the traffic light information. Indicate the traffic light information in real time.
  • the processing device may obtain the traffic light information from a navigation device.
  • the first device may determine the indication information in at least one of the above three possible implementation manners, which is not limited in the embodiment of the present application.
  • the first device may determine the indication information through one of the foregoing three possible implementation manners, and perform calibration through another possible implementation manner.
  • the first device may determine the indication information determined by the implementation manner with the highest priority as the final indication information.
  • Case 2 The indication information indicates the congestion state of the road in the current driving direction of the terminal where the first detection device is located, and the congestion state of the road includes congestion, normal, or unblocked.
  • the first device may acquire a second image, and the second image includes other terminals in the current driving direction of the terminal where the first detection device is located; according to the second image , Determine the congestion state of the road; determine the indication information according to the congestion state.
  • the first device may determine the traffic volume or the length of the vehicle queue according to the second image; determine the congestion state according to the traffic volume or the length of the vehicle queue.
  • the processing device may obtain the second image from a camera device.
  • the first device may obtain an electronic map updated in real time, the electronic map indicating the congestion state of the road in the current driving direction; and determining the indication according to the congestion state of the electronic indication information.
  • the first device may obtain traffic flow information, where the traffic flow information is used to indicate the traffic flow in the current driving direction or the length of the queue of vehicles; According to the traffic volume or the length of the queue of vehicles, the indication information is determined.
  • the processing device may scan a two-dimensional code set on the roadside through the camera device to determine the traffic flow information. Indicate the traffic flow information in real time.
  • the processing device may obtain the traffic flow information from a navigation device.
  • the first device may determine the indication information in at least one of the above three possible implementation manners, which is not limited in the embodiment of the present application.
  • the first device may determine the indication information through one of the foregoing three possible implementation manners, and perform calibration through another possible implementation manner.
  • the first device may determine the indication information determined by the implementation manner with the highest priority as the final indication information.
  • the first device can instruct the first detection device to flexibly adjust the first transmission power used to transmit the radar signal in different driving environments, so as to adapt to the changing driving environment.
  • the method may further include: the first device receiving power information sent by the first detection device according to the indication information, where the power information is used to indicate the first transmission power .
  • the method may further include: the first device sending at least one of the indication information and the power information and time-frequency resource information, where the time-frequency resource information is used to indicate The time-frequency resource used for the radar signal.
  • the first device may send at least one of the indication information and the power information and the time-frequency resource information through a variety of different channels, which is not limited in the embodiment of the present application.
  • the processing device may send at least one of the power information and the indication information and the Time-frequency resource information.
  • the second detection device may be a radar detection device installed on other terminals.
  • the processing device may send the above-mentioned various information to the communication device; accordingly, the communication device may broadcast the above-mentioned various information after receiving the above-mentioned various information. All the above information.
  • the communication device may broadcast at least one of the power information and the indication information and the time-frequency resource information.
  • the first device when the first device is a processing device or a communication device, the first device may send the time-frequency resource information to the first detection device; accordingly, the first detection device The apparatus may broadcast at least one of the power information and the indication information and the time-frequency resource information.
  • At least one of power information and indication information and time-frequency resource information are broadcast to other terminals, so that other terminals can determine that the first detection device is allocated according to the above-mentioned various information.
  • the first transmission power used to transmit the radar signal on the time-frequency resource so that the other terminal can determine the time-frequency resource used by its own radar detection device to transmit the radar signal based on this.
  • other terminals know the time-frequency resources of each surrounding terminal and the transmit power used by each terminal to transmit radar signals on that time-frequency resource, and can determine whether each block of time-frequency resources is in an idle state or a busy state, thereby One of the more idle time-frequency resources can be selected to reduce the interference between the radar signals emitted by the radar detection devices of different terminals.
  • FIG. 7 shows a schematic flowchart of an information transmission method 300 provided by an embodiment of the present application.
  • the method 300 is suitable for the application scenario described in FIG. 1 and the system described in FIG. 2 to FIG. 4.
  • the camera device acquires a first image, where the first image includes a traffic light in the current driving direction that is closest to the terminal where the detection device is located;
  • S320 The camera device sends the first image to a processing device; correspondingly, the processing device receives the first image sent by the camera device.
  • S330 The processing device determines indication information according to the state of the traffic light in the first image, where the indication information is used to indicate the state of the traffic light.
  • the processing device may determine the state of the traffic light according to the first image, and determine the indication information according to the state of the traffic light, and the state of the traffic light includes a red light and a yellow light. And green light.
  • the processing device sends the instruction information to the detection device; correspondingly, the detection device receives the instruction information sent by the processing device.
  • S350 The detection device determines to adjust the currently used second transmission power to the first transmission power according to the indication information.
  • the detection device may determine to adjust the second transmission power to the first transmission power, and the first transmission power is less than or equal to the second transmission power. power.
  • the detection device may determine to adjust the second transmission power to the first transmission power, and the first transmission power is greater than or equal to the second transmission power .
  • the detection device when the traffic light is red, the detection device can lower the currently used second transmitting power according to the indication information, and when the traffic light is green, the detection device can increase the second transmission power according to the indication information.
  • the second transmit power currently used when the traffic light is red, the detection device can lower the currently used second transmitting power according to the indication information, and when the traffic light is green, the detection device can increase the second transmission power according to the indication information. The second transmit power currently used.
  • the detection device may determine to keep the second transmission power unchanged, that is, the first transmission power is equal to the second transmission power.
  • the detection device uses the first transmission power to transmit the radar signal.
  • the method further includes: the detection device sends power information to the communication device through the processing device, the power information indicating the first transmission power.
  • the method further includes: the communication device broadcasting at least one of the power information and the indication information and time-frequency resource information, where the time-frequency resource information is used to instruct the detection device to transmit State the time-frequency resources used by the radar signal.
  • FIG. 8 shows a schematic flowchart of an information transmission method 400 provided by an embodiment of the present application.
  • the method 400 is suitable for the application scenario described in FIG. 1 and the system described in FIG. 2 to FIG. 4.
  • the camera device acquires a second image, where the second image includes other terminals in the current driving direction of the terminal where the detection device is located;
  • the camera device sends the second image to the processing device; correspondingly, the processing device receives the second image sent by the camera device.
  • the processing device determines, according to the first image, the congestion state of the road in the current driving direction of the terminal where the detection device is located, and the congestion state of the road includes congestion, normal, or unblocked.
  • S440 The processing device determines indication information according to the congestion state of the road, where the indication information is used to indicate the congestion state of the road.
  • S450 The processing device sends the instruction information to the detection device; accordingly, the detection device receives the instruction information sent by the processing device.
  • S460 The detection device determines to adjust the currently used second transmission power to the first transmission power according to the indication information.
  • the detection device determines to adjust the second transmission power to the first transmission power, and the first transmission power is less than or equal to the second transmission power.
  • the detection device determines to adjust the second transmission power to the first transmission power, and the first transmission power is greater than or equal to the second transmission power .
  • the detection device when the road is congested, the detection device may lower the currently used second transmission power according to the indication information, and when the road is clear, the detection device may increase the currently used second transmission power according to the indication information. 2. Transmitting power.
  • the detection device determines to keep the second transmission power unchanged, that is, the first transmission power is equal to the second transmission power.
  • S470 The detection device uses the first transmission power to transmit the radar signal.
  • the method further includes: the detection device sends power information to the communication device through the processing device, the power information indicating the first transmission power.
  • the method further includes: the communication device broadcasting at least one of the power information and the indication information and time-frequency resource information, where the time-frequency resource information is used to instruct the detection device to transmit State the time-frequency resources used by the radar signal.
  • the information transmission method provided by the embodiment of the present application is described in detail above with reference to FIG. 1 to FIG. 8.
  • the information transmission apparatus provided by the embodiment of the present application will be described below with reference to FIG. 9 to FIG. 12.
  • FIG. 9 shows a schematic block diagram of an information transmission device 500 provided by an embodiment of the present application.
  • the device 500 includes:
  • the receiving unit 510 is configured to receive instruction information, where the instruction information is used to instruct the first detection device to determine the first transmit power used to transmit the radar signal;
  • the determining unit 520 is configured to determine the first transmission power according to the instruction information.
  • the device further includes a transmitting unit configured to use the first transmitting power to transmit the radar signal.
  • the sending unit is further configured to send at least one of power information and the indication information and time-frequency resource information, where the power information is used to indicate the first transmission power and the time-frequency resource information It is used to indicate the time-frequency resource used for the radar signal.
  • the sending unit is specifically configured to send at least one of the power information and the indication information and time-frequency resource information to a communication device, a processing device, or a second detection device.
  • the determining unit is specifically configured to determine, according to the instruction information, to adjust the currently used second transmission power to the first transmission power.
  • the indication information indicates the state of the traffic light closest to the terminal where the first detection device is located in the current driving direction, and the state of the traffic light includes a red light, a yellow light, or a green light.
  • the determining unit is specifically configured to: when the state of the traffic light is a red light, determine that the second transmission power is adjusted to the first transmission power, and the first transmission power is less than or equal to The second transmission power; or, when the status of the traffic light is green, it is determined to adjust the second transmission power to the first transmission power, and the first transmission power is greater than or equal to the second transmission power.
  • the indication information indicates the congestion state of the road in the current driving direction of the terminal where the first detection device is located, and the congestion state of the road includes congestion, normal, or unblocked.
  • the determining unit is specifically configured to: when the congestion state of the road is congested, determine that the second transmission power is adjusted to the first transmission power, and the first transmission power is less than or equal to the first transmission power. The second transmission power; or, when the congestion state of the road is unblocked, it is determined that the second transmission power is adjusted to the first transmission power, and the first transmission power is greater than or equal to the second transmission power.
  • the device 500 here is embodied in the form of a functional unit.
  • the term "unit” here can refer to application specific integrated circuits (ASICs), electronic circuits, processors used to execute one or more software or firmware programs (such as shared processors, proprietary processors, or groups). Processor, etc.) and memory, merged logic circuits, and/or other suitable components that support the described functions.
  • ASICs application specific integrated circuits
  • the device 500 may be specifically the first detection device or detection device in the foregoing method 100 to method 400 embodiments, and the device 500 may be used to perform the foregoing method 100 to method 400 implementations.
  • each process and/or step corresponding to the first detection device or the detection device is not repeated here in order to avoid repetition.
  • FIG. 10 shows a schematic block diagram of an information transmission device 600 provided in an embodiment of the present application.
  • the device 600 includes:
  • the determining device 610 is configured to determine indication information, where the indication information is used to instruct the first detection device to determine the first transmission power used to transmit the radar signal;
  • the sending device 620 is configured to send the instruction information to the first detection device.
  • the device further includes a receiving unit configured to receive the instruction information sent by the second device.
  • the receiving unit is further configured to receive power information sent by the first detection device according to the indication information, where the power information is used to indicate the first transmission power.
  • the sending unit is configured to send at least one of the power information and the indication information and time-frequency resource information, and the time-frequency resource information is used to indicate the time-frequency resource used for the radar signal .
  • the sending unit is specifically configured to send at least one of the power information and the indication information and the time-frequency resource information to the communication device.
  • the indication information indicates the state of the traffic light closest to the terminal where the first detection device is located in the current driving direction, and the state of the traffic light includes a red light, a yellow light, or a green light.
  • the determining unit is specifically configured to: obtain a first image, the first image including a traffic light in the current driving direction that is closest to the terminal where the first detection device is located; and according to the information in the first image The state of the traffic light determines the indication information.
  • the indication information indicates the congestion state of the road in the current driving direction of the terminal where the first detection device is located, and the congestion state of the road includes congestion, normal, or unblocked.
  • the determining unit is specifically configured to: acquire a second image that includes other terminals in the current driving direction of the terminal where the first detection device is located; and determine the The congestion state of the road; the indication information is determined according to the congestion state of the road.
  • the device 600 here is embodied in the form of a functional unit.
  • the term "unit” here can refer to ASICs, electronic circuits, processors for executing one or more software or firmware programs (such as shared processors, proprietary processors, or group processors, etc.) and memory, combined logic circuits, and /Or other suitable components that support the described functions.
  • the device 600 may be specifically the first device or processing device in the foregoing method 100 to method 400 embodiments, and the device 600 may be used to execute the foregoing method 100 to method 400 embodiments. In order to avoid repetition, the respective processes and/or steps corresponding to the first device or the processing device are not repeated here.
  • FIG. 11 shows an information transmission device 700 provided by an embodiment of the present application, and the device 700 may be the device 500 described in FIG. 9.
  • the device 500 may adopt the hardware architecture shown in FIG. 11.
  • the apparatus 700 may include a processor 710, a transceiver 720, and a memory 730, and the processor 710, the transceiver 720, and the memory 730 communicate with each other through an internal connection path.
  • the related functions implemented by the determining unit 520 in FIG. 9 may be implemented by the processor 710, and the related functions implemented by the receiving unit 510 may be implemented by the processor 710 controlling the transceiver 720.
  • the processor 710 may include one or more processors, such as one or more central processing units (central processing units, CPUs).
  • processors such as one or more central processing units (central processing units, CPUs).
  • CPUs central processing units
  • the CPU may be a single-core CPU, or It can be a multi-core CPU.
  • the transceiver 720 is used to send and receive data and/or information, and to receive data and/or information.
  • the transceiver may include a transmitter and a receiver, the transmitter is used to send data and/or signals, and the receiver is used to receive data and/or signals.
  • the memory 730 includes, but is not limited to, random access memory (RAM), read-only memory (ROM), erasable programmable memory (erasable read only memory, EPROM), and read-only memory.
  • RAM random access memory
  • ROM read-only memory
  • EPROM erasable read only memory
  • read-only memory EPROM
  • read-only memory EPROM
  • CD-ROM compact disc
  • the memory 730 is used to store program codes and data of the device, and may be a separate device or integrated in the processor 710.
  • the processor 710 is configured to control the transceiver to perform signal transmission with a processing device, a communication device, and the like.
  • a processing device e.g., a central processing unit (CPU)
  • a communication device e.g., a Wi-Fi Protected Access (WPA)
  • the processor 710 is configured to control the transceiver to perform signal transmission with a processing device, a communication device, and the like.
  • FIG. 11 only shows a simplified design of the device 700.
  • the device 700 may also include other necessary components, including but not limited to any number of transceivers, processors, controllers, memories, etc., and all the management devices that can implement the application are protected by the application. Within range.
  • the device 700 may be replaced with a chip device for implementing related functions of the processor in the device.
  • the chip device can be a field programmable gate array, a dedicated integrated chip, a system chip, a central processing unit, a network processor, a digital signal processing circuit, a microcontroller, and a programmable controller or other integrated chips for realizing related functions.
  • the chip may optionally include one or more memories for storing program codes. When the codes are executed, the processor realizes corresponding functions.
  • the device 700 may be a vehicle-mounted terminal, for example, a radar detection device in the vehicle-mounted terminal.
  • FIG. 12 shows an information transmission device 800 provided by an embodiment of the present application.
  • the device 800 may be the device 600 described in FIG. 10.
  • the device 600 may adopt the hardware architecture shown in FIG. 12.
  • the device 800 may include a processor 810, a transceiver 820, and a memory 830, and the processor 810, the transceiver 820, and the memory 830 communicate with each other through an internal connection path.
  • the relevant functions implemented by the determining unit 610 in FIG. 10 may be implemented by the processor 810, and the relevant functions implemented by the sending unit 620 may be implemented by the processor 810 controlling the transceiver 820.
  • the processor 810 may include one or more processors, for example, one or more CPUs.
  • the processor may be a single-core CPU or a multi-core CPU.
  • the transceiver 820 is used to send and receive data and/or information, and to receive data and/or information.
  • the transceiver may include a transmitter and a receiver, the transmitter is used to send data and/or signals, and the receiver is used to receive data and/or signals.
  • the memory 830 includes but is not limited to RAM, ROM, EPROM, and CD-ROM, and the memory 830 is used to store related instructions and data.
  • the memory 830 is used to store program codes and data of the device, and may be a separate device or integrated in the processor 810.
  • the processor 810 is configured to control the transceiver to perform signal transmission with the first detection device.
  • the processor 810 is configured to control the transceiver to perform signal transmission with the first detection device.
  • FIG. 12 only shows a simplified design of the device 800.
  • the device 800 may also include other necessary components, including but not limited to any number of transceivers, processors, controllers, memories, etc., and all the management devices that can implement the application are protected by the application. Within range.
  • the device 800 can be replaced with a chip device for implementing related functions of the processor in the device.
  • the chip device can be a field programmable gate array, a dedicated integrated chip, a system chip, a central processing unit, a network processor, a digital signal processing circuit, a microcontroller, and a programmable controller or other integrated chips for realizing related functions.
  • the chip may optionally include one or more memories for storing program codes. When the codes are executed, the processor realizes corresponding functions.
  • the device 800 may be a vehicle-mounted terminal.
  • the size of the sequence number of the above-mentioned processes does not mean the order of execution, and the execution order of each process should be determined by its function and internal logic, and should not correspond to the embodiments of the present application.
  • the implementation process constitutes any limitation.
  • the disclosed system, device, and method may be implemented in other ways.
  • the device embodiments described above are merely illustrative, for example, the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or It can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • the functional units in the various embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium.
  • the technical solution of the present application essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, ROM, RAM, magnetic disk or optical disk and other media that can store program codes.

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Abstract

本申请提供一种信息传输方法和装置，涉及协同式雷达的干扰处理，可以适用于用于车联网场景，如车辆外联V2X、车间通信长期演进技术LTE-V、车辆-车辆V2V等，能够通过雷达探测装置的接口传输与发射功率相关的信息，提升自动驾驶或高级驾驶辅助***ADAS能力，从而适应多变的行驶环境。该信息传输方法包括：第一探测装置接收指示信息，所述指示信息用于指示所述第一探测装置确定发射雷达信号所使用的第一发射功率；所述第一探测装置根据所述指示信息，确定所述第一发射功率。

Description

信息传输方法和信息传输装置
本申请要求于2019年09月18日递交的申请号为201910883041.2、申请名称为“信息传输方法和信息传输装置”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
本申请涉及传感器技术领域，并且更具体地，涉及传感器技术领域中的信息传输方法和信息传输装置。
背景技术
随着社会的发展和科技的进步，智能汽车正在逐步进入人们的日常生活。传感器在智能汽车的无人驾驶或者智能驾驶中发挥着十分重要的作用，而雷达探测装置作为无人驾驶或者智能驾驶中的关键传感器，在无人驾驶或者智能驾驶过程中的精度探测和距离探测上得到了广泛的使用。
现有技术中的雷达探测装置采用固定的发射功率发射雷达信号，然而，雷达探测装置所在的车辆在行驶过程中面对的行驶环境具有多样性和多变性，因此，采用现有技术中的方法不能适应多变的行驶环境，灵活性较差。
发明内容
本申请提供一种信息传输方法和装置，雷达探测装置能够通过接口传递与发射雷达信号所使用的发射功率相关的信息，从而适应多变的行驶环境，灵活性较强。
第一方面，本申请提供一种信息传输方法，该方法包括：
第一探测装置接收指示信息，所述指示信息用于指示所述第一探测装置确定发射雷达信号所使用的第一发射功率；
所述第一探测装置根据所述指示信息，确定所述第一发射功率。
可选地，所述第一探测装置与处理装置之间存在接口时，所述第一探测装置可以接收所述处理装置发送的所述指示信息。
可选地，所述第一探测装置与通信装置之间存在接口时，所述第一探测装置可以接收所述通信装置发送的所述指示信息。
可选地，所述第一探测装置与处理装置之间存在接口，所述处理装置与通信装置之间存在接口，且所述第一探测装置与所述通信装置之间不存在接口时，所述第一探测装置可以接收所述通信装置通过所述处理装置发送的所述指示信息。
采用本申请实施例提供的信息传输方法，第一探测装置与处理装置之间，或第一探测装置与通信装置之间存在传输用于指示发射雷达信号所使用的第一发射功率的指示信息的接口，使得该第一探测装置可以根据该指示信息灵活调节发射雷达信号所使用的发射功 率，以适应多变的行驶环境。
在一种可能的实现方式中，所述方法还包括：所述第一探测装置使用所述第一发射功率发射所述雷达信号。
在一种可能的实现方式中，所述方法还包括：所述第一探测装置发送功率信息和所述指示信息中的至少一种以及时频资源信息，所述功率信息用于指示所述第一发射功率、所述时频资源信息用于指示用于所述雷达信号的时频资源。
可选地，所述第一探测装置可以发送所述功率信息和所述时频资源信息；或，所述第一探测装置可以发送所述指示信息和所述时频资源信息；或，所述第一探测装置可以发送所述功率信息、所述指示信息和所述时频资源信息。
在一种可能的实现方式中，所述第一探测装置发送功率信息和所述指示信息中的至少一种以及时频资源信息，包括：所述第一探测装置向通信装置、处理装置或第二探测装置发送所述功率信息和所述指示信息中的至少一种以及时频资源信息。
例如，所述第一探测装置与通信装置之间存在接口时，所述第一探测装置可以向所述通信装置发送上述各种信息；相应地，所述通信装置在接收到上述各种信息之后，可以广播上述各种信息。
又例如，所述第一探测装置与处理装置之间存在接口，所述处理装置与通信装置之间存在接口，且所述第一探测装置与所述通信装置之间不存在接口时，所述第一探测装置可以通过所述处理装置向所述通信装置发送上述各种信息；相应地，所述通信装置可以广播上述各种信息。
采用本申请实施例提供的信息传输方法，将功率信息和指示信息中的至少一种以及时频资源信息广播给其它终端，以便于其它终端根据上述各种信息确定所述第一探测装置在分配的时频资源上发射雷达信号所使用的第一发射功率，从而所述其它终端可以据此确定用于自身的雷达探测装置发送雷达信号的时频资源。
也就是说，其它终端得知周围每个终端的时频资源以及每个终端在该时频资源上发射雷达信号所使用的发射功率，能够确定每块时频资源处于空闲状态还是繁忙状态，从而可以选择其中较为空闲的时频资源，以减少不同终端的雷达探测装置发射的雷达信号之间的干扰。
可选地，所述第一探测装置可以广播所述功率信息和所述指示信息中的至少一种以及时频资源信息。
在一种可能的实现方式中，所述第一探测装置根据所述指示信息，确定所述第一发射功率，包括：所述第一探测装置根据所述指示信息，确定将当前使用的第二发射功率调整为所述第一发射功率。
在一种可能的实现方式中，所述指示信息指示当前行驶方向上距离所述第一探测装置所在终端最近的交通灯的状态，所述交通灯的状态包括红灯、黄灯或绿灯。
在一种可能的实现方式中，所述第一探测装置根据所述指示信息，确定将第二发射功率调整为所述第一发射功率，包括：当所述交通灯的状态为红灯时，所述第一探测装置确定将所述第二发射功率调整为所述第一发射功率，所述第一发射功率小于或等于所述第二发射功率；或，当所述交通灯的状态为绿灯时，所述第一探测装置确定将所述第二发射功率调整所述第一发射功率，所述第一发射功率大于或等于所述第二发射功率。
也就是说，当交通灯为红色时，该第一探测装置可以调低当前使用的第二发射功率，或当第二发射功率为该第一探测装置的最低功率时，该第一探测装置可以维持该第二发射功率；当交通灯为绿色时，该第一探测装置可以调高当前使用的第二发射功率，或当第二发射功率为该第一探测装置的最高功率时，该第一探测装置可以维持该第二发射功率；当交通灯为黄灯时，该第一探测装置可以维持当前使用的第二发射功率。
在一种可能的实现方式中，所述指示信息指示所述第一探测装置所在终端当前行驶方向上道路的拥塞状态，所述道路的拥塞状态包括拥塞、正常或畅通。
在一种可能的实现方式中，所述第一探测装置根据所述指示信息，确定将第二发射功率调整为所述第一发射功率，包括：当所述道路的拥塞状态为拥塞时，所述第一探测装置确定将所述第二发射功率调整为所述第一发射功率，所述第一发射功率小于或等于所述第二发射功率；或，当所述道路的拥塞状态为畅通时，所述第一探测装置确定将所述第二发射功率调整为所述第一发射功率，所述第一发射功率大于或等于所述第二发射功率。
也就是说，当道路拥塞时，该第一探测装置可以调低当前使用的第二发射功率，或当第二发射功率为该第一探测装置的最低功率时，该第一探测装置可以维持该第二发射功率；当道路畅通时，该第一探测装置可以调高当前使用的第二发射功率，或当第二发射功率为该第一探测装置的最高功率时，该第一探测装置可以维持该第二发射功率；当道路正常时，该第一探测装置可以维持当前使用的第二发射功率。
采用本申请实施例提供的信息传输方法，在某些情况下(例如交通灯为红灯或道路拥塞的情况下)，该第一探测装置在调节发射功率以满足自身的探测需求的同时，还可以降低对其它探测装置的干扰。
第二方面，本申请还提供一种信息传输方法，该方法包括：
第一装置确定指示信息，所述指示信息用于指示第一探测装置确定发射雷达信号所使用的第一发射功率；
所述第一装置向所述第一探测装置发送所述指示信息。
采用本申请实施例提供的信息传输方法，第一探测装置与第一装置之间存在传输用于指示发射雷达信号所使用的第一发射功率的指示信息的接口，使得该第一装置可以通过该指示信息指示第一探测装置灵活调节发射雷达信号所使用的发射功率，以适应多变的行驶环境。
在一种可能的实现方式中，所述第一装置确定指示信息，包括：所述第一装置接收第二装置发送的所述指示信息。
例如，所述第一装置为处理装置时，所述第二装置可以为通信装置、或摄像装置或导航装置。
又例如，所述第一装置为通信装置时，所述第二装置可以为其它终端或设备。
在一种可能的实现方式中，所述方法还包括：所述第一装置接收所述第一探测装置根据所述指示信息发送的功率信息，所述功率信息用于指示所述第一发射功率。
在一种可能的实现方式中，所述方法还包括：所述第一装置发送所述功率信息和所述指示信息中的至少一种以及时频资源信息，所述时频资源信息用于指示用于所述雷达信号的时频资源。
在一种可能的实现方式中，所述第一装置发送所述功率信息和所述指示信息中的至少 一种以及时频资源信息，包括：所述第一装置向通信装置发送所述功率信息和所述指示信息中的至少一种以及所述时频资源信息。
采用本申请实施例提供的信息传输方法，将功率信息和指示信息中的至少一种以及时频资源信息广播给其它终端，以便于其它终端根据上述各种信息确定所述第一探测装置在分配的时频资源上发射雷达信号所使用的第一发射功率，从而所述其它终端可以据此确定自身的雷达探测装置发送雷达信号所使用的时频资源。
在一种可能的实现方式中，所述指示信息指示当前行驶方向上距离所述第一探测装置所在终端最近的交通灯的状态，所述交通灯的状态包括红灯、黄灯或绿灯。
可选地，所述第一装置可以获取第一图像，所述第一图像中包括当前行驶方向上距离所述第一探测装置所在终端最近的交通灯；所述第一装置根据所述第一图像中的所述交通灯的状态，确定所述指示信息。
可选地，所述第一装置可以获取实时更新的电子地图，所述电子地图指示当前行驶方向上距离所述第一探测装置所在终端最近的交通灯的状态，根据所述电子地图中指示的所述交通灯的状态，确定所述指示信息。
可选地，所述第一装置可以获取交通灯信息，所述交通灯信息用于指示所述交通灯的状态；根据所述交通灯信息，确定所述交通灯的状态。
可选地，所述第一装置可以接收通信装置或摄像装置发送的所述交通灯信息。
在一种可能的实现方式中，所述指示信息指示所述第一探测装置所在终端当前行驶方向上道路的拥塞状态，所述道路的拥塞状态包括拥塞、正常或畅通。
可选地，所述第一装置可以获取第二图像，所述第二图像中包括所述第一探测装置所在终端当前行驶方向上的其它终端；所述第一装置根据所述第二图像，确定所述道路的拥塞状态；所述第一装置根据所述道路的拥塞状态，确定所述指示信息。
可选地，所述第一装置还可以获取实时更新的电子地图，所述电子地图指示当前行驶方向上道路的拥塞状态，根据所述电子地图；确定所述道路的拥塞状态；根据所述拥塞状态，确定所述指示信息。
可选地，所述第一装置还可以获取车流量信息，所述车流量信息用于指示当前行驶方向上的车流量或车辆排队长度；根据所述车流量信息，确定所述道路的拥塞状态；根据所述拥塞状态，确定所述指示信息。
采用本申请实施例提供的信息传输方法，第一装置可以在不同行驶环境中指示第一探测装置灵活调节发射雷达信号所使用的第一发射功率，以适应多变的行驶环境。
第三方面，本申请还提供一种信息传输装置，用于执行上述各个方面或各个方面的任意可能的实现方式中的方法。具体地，该信息传输装置可以包括用于执行上述各个方面或其任意可能的实现方式中的方法的单元。
第四方面，本申请还提供一种信息传输装置，该装置包括：存储器、处理器、收发器及存储在该存储器上并可在该处理器上运行的指令，其中，该存储器、该处理器以及该通信接口之间通过内部连接通路互相通信，其特征在于，该处理器执行该指令使得该装置实现上述各个方面或其任意可能的实现方式中的方法。
可选地，所述信息传输装置可以为车载终端，或车载终端中的雷达探测设备。
第五方面，本申请还提供一种计算机可读存储介质，用于存储计算机程序，该计算机 程序包括用于实现上述各个方面或其任意可能的实现方式中的方法的指令。
第六方面，本申请还提供一种包含指令的计算机程序产品，当其在计算机上运行时，使得计算机实现上述各个方面或其任意可能的实现方式中的方法。
第七方面，本申请还提供一种芯片装置，包括：输入接口、输出接口、至少一个处理器、存储器，该输入接口、输出接口、该处理器以及该存储器之间通过内部连接通路互相通信，该处理器用于执行该存储器中的代码，当该处理器执行该代码时，该芯片装置实现上述各个方面或其任意可能的实现方式中的方法。
附图说明
图1提供了本申请实施例的应用场景的示意图；
图2提供了本申请实施例的***架构的示意图；
图3提供了本申请实施例的另一***架构的示意图；
图4提供了本申请实施例的又一***架构的示意图；
图5提供了本申请实施例的信息传输方法100的示意性流程图；
图6提供了本申请实施例的信息传输方法200的示意性流程图；
图7提供了本申请实施例的信息传输方法300的示意性流程图；
图8提供了本申请实施例的信息传输方法400的示意性流程图；
图9提供了本申请实施例的信息传输装置500的示意性流程图；
图10提供了本申请实施例的信息传输装置600的示意性流程图；
图11提供了本申请实施例的信息传输装置700的示意性流程图；
图12提供了本申请实施例的信息传输装置800的示意性流程图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行描述。
图1示出了本申请实施例提供的应用场景的示意图，该应用场景可以为无人驾驶、自动驾驶、智能驾驶、网联驾驶等。
需要说明的是，雷达探测装置可以安装在终端上，例如可以为机动车辆(例如无人车、智能车、电动车、数字汽车等)、无人机、轨道车、自行车、交通灯等，具有发射雷达信号需求的终端。
可选地，所述终端可以为移动的或固定的，本申请实施例对此不作限定。
可选地，上述终端上除了安装雷达探测装置之外，还可以安装处理装置和通信装置。
可选地，所述雷达探测装置例如可以为雷达设备，所述处理装置例如可以为处理器，所述通信装置例如可以为V2X设备。
例如，该雷达探测装置、处理装置和通信装置可以安装在该终端上，作为该终端的车载***或车载终端。
可选地，上述车载***中还可以包括均有其它功能的其他装置，例如，摄像装置、导航装置等等，本申请实施例对此不作限定。
需要说明的是，本申请实施例对上述各种装置安装的位置和功能等不作限定。
图2示出了本申请实施例提供的***架构图，该***包括雷达探测装置、处理装置和 通信装置。
可选地，雷达探测装置可以与处理装置进行通信。
在一种可能的实现方式中，雷达探测装置可以通过有线方式或无线方式与处理装置进行通信。
例如，雷达探测装置具有与处理装置进行通信的接口，处理装置也具有与雷达探测装置进行通信的接口，该雷达探测装置和该处理装置通过相应的接口进行通信。
可选地，处理装置可以与通信装置进行通信。
在一种可能的实现方式中，处理装置可以通过有线方式或无线方式与通信装置进行通信。
例如，处理装置具有与通信装置进行通信的接口，通信装置也具有与处理装置进行通信的接口，该通信装置和该处理装置通过相应的接口进行通信。
可选地，通信装置还可以与雷达探测装置进行通信。
在一种可能的实现方式中，通信装置可以通过有线方式或无线方式与雷达探测装置进行通信。
例如，雷达探测装置具有与通信装置进行通信的接口，通信装置也具有与雷达探测装置进行通信的接口，该雷达探测装置和该通信装置通过相应的接口进行通信。
需要说明的是，上述有线方式可以为通过数据线连接、或通过内部总线连接实现通信。
需要说明的是，上述无线方式可以为通过通信网络实现通信，该通信网络可以是局域网，也可以是通过中继(relay)设备转接的广域网，或者包括局域网和广域网。当该通信网络为局域网时，示例性的，该通信网络可以是wifi热点网络、wifi P2P网络、蓝牙网络、zigbee网络或近场通信(near field communication，NFC)网络等近距离通信网络。当该通信网络为广域网时，示例性的，该通信网络可以是第三代移动通信技术(3rd-generation wireless telephone technology，3G)网络、***移动通信技术(the 4th generation mobile communication technology，4G)网络、第五代移动通信技术(5th-generation mobile communication technology，5G)网络、未来演进的公共陆地移动网络(public land mobile network，PLMN)或因特网等，本申请实施例对此不作限定。
可选地，雷达探测装置、处理装置和通信装置可以是三个独立的装置，这三个装置可以分别安装在终端上；或者，雷达探测装置、处理装置和通信装置可以集成在一个设备中，该设备安装在终端上；或者，雷达探测装置和处理装置可以集成在一个设备中，该设备和通信装置分别安装在终端上；或者，雷达探测装置和通信装置可以集成在一个设备中，该设备和处理装置分别安装在终端上；或者，处理装置和通信装置可以集成在一个设备中，该设备和雷达探测装置分别安装在终端上。
需要说明的是，无论雷达探测装置、处理装置和通信装置是集成在一个设备中还是分别是独立的装置，在下文的描述中，都以雷达探测装置、处理装置和通信装置来进行描述。
可选地，如图3所示，雷达探测装置还可以具有处理功能和/或通信功能，例如，雷达探测装置中可以集成处理模块或通信模块；通信装置还可以具有处理功能，例如，通信装置可以集成处理模块，本申请实施例对此不作限定。
可选地，如图4所示，该***中还可以包括导航装置和摄像装置。
需要说明的是，处理装置可以与导航装置进行通信。
在一种可能的实现方式中，处理装置可以通过有线方式与导航装置进行导航。例如，处理装置具有与导航装置进行导航的接口，导航装置也具有与处理装置进行导航的接口，该导航装置和该处理装置通过相应的接口进行导航。
在另一种可能的实现方式中，处理装置可以通过无线方式与导航装置进行通信。例如，处理装置可以通过通信网络与导航装置进行通信。
还需要说明的是，处理装置可以与摄像装置进行通信。
在一种可能的实现方式中，处理装置可以通过有线方式与摄像装置进行摄像。例如，处理装置具有与摄像装置进行摄像的接口，摄像装置也具有与处理装置进行摄像的接口，该摄像装置和该处理装置通过相应的接口进行摄像。
在另一种可能的实现方式中，处理装置可以通过无线方式与摄像装置进行通信。例如，处理装置可以通过通信网络与摄像装置进行通信。
可选地，该导航装置可以为电子导航设备，该电子导航设备可以包括电子地图。
可选地，该摄像装置可以为拍照设备或摄像设备。
可选地，该导航装置或该摄像装置还可以具有处理功能，例如，该导航装装置可以集成处理模块，该摄像装置也可以集成处理模块，本申请所述对此不作限定。
可选地，所述***还可以包括具有其他功能的其它装置，本申请实施例对此不作限定。例如，所述***还可以包括显示器、传感器等等。
图5示出了本申请实施例提供的信息传输方法100的示意性流程图，该方法100适用于图1中所述的应用场景以及图2至图4中所述的***。
S110，第一探测装置接收指示信息，所述指示信息用于指示所述第一探测装置确定发射雷达信号所使用的第一发射功率。
S120，所述第一探测装置根据所述指示信息，确定所述第一发射功率。
需要说明的是，所述第一探测装置可以为图2至图4中的雷达探测装置。
可选地，S110中，所述第一探测装置可以通过多种不同的途径接收所述指示信息，本申请实施例对此不作限定。
在第一种可能的实现方式中，所述第一探测装置与处理装置之间存在接口时，所述第一探测装置可以接收所述处理装置发送的所述指示信息。
在第二种可能的实现方式中，所述第一探测装置与通信装置之间存在接口时，所述第一探测装置可以接收所述通信装置发送的所述指示信息。
在第三种可能的实现方式中，所述第一探测装置与处理装置之间存在接口，所述处理装置与通信装置之间存在接口，且所述第一探测装置与所述通信装置之间不存在接口时，所述第一探测装置可以接收所述通信装置通过所述处理装置发送的所述指示信息。
可选地，S110中，所述指示信息可以为多种不同的形式，本申请实施例对此不作限定。
在第一种可能的实现方式中，所述指示信息可以直接指示所述第一发射功率。相应地，S120中，所述第一探测装置可以根据所述指示信息，确定所述第一发射功率。
例如，所述指示信息包括多个比特，通过该多个比特表示所述第一发射功率。
在第二种可能的实现方式中，所述指示信息可以指示所述第一发射功率与当前使用的第二发射功率之间的偏移值，该偏移值指示所述第一发射功率。相应地，S120中，所述 第一探测装置可以根据所述偏移值，确定所述第一发射功率。
例如，当前使用的第二发射功率为M，所述指示信息可以包括偏移值Δ＝-m，由此可知，所述第一发射功率为M-m.
在第三种可能的实现方式中，所述指示信息可以指示当前行驶方向上距离所述第一探测装置所在终端最近的交通灯的状态，所述交通灯的状态包括红灯、黄灯或绿灯。相应地，S120中，所述第一探测装置可以根据所述交通灯的状态，确定将当前使用的第二发射功率调整为所述第一发射功率。
例如，当所述交通灯的状态为红灯时，所述第一探测装置可以确定将所述第二发射功率调整为所述第一发射功率，所述第一发射功率小于或等于所述第二发射功率。
也就是说，当交通灯为红色时，该第一探测装置可以调低当前使用的第二发射功率，或当第二发射功率为该第一探测装置的最低功率时，该第一探测装置可以维持该第二发射功率。
又例如，当所述交通灯的状态为绿灯时，所述第一探测装置可以确定将所述第二发射功率调整所述第一发射功率，所述第一发射功率大于或等于所述第二发射功率。
也就是说，当交通灯为绿色时，该第一探测装置可以调高当前使用的第二发射功率，或当第二发射功率为该第一探测装置的最高功率时，该第一探测装置可以维持该第二发射功率。
又例如，当所述交通灯的状态为黄灯时，所述第一探测装置可以确定保持所述第二发射功率不变，即所述第一发射功率等于所述第二发射功率。
也就是说，当交通灯为黄灯时，该第一探测装置可以维持当前使用的第二发射功率。
在第四种可能的实现方式中，所述指示信息可以指示所述第一探测装置所在终端当前行驶方向上道路的拥塞状态，所述道路的拥塞状态包括拥塞、正常或畅通。相应地，S120中，所述第一探测装置可以根据所述交通灯的状态，确定将当前使用的第二发射功率调整为所述第一发射功率。
例如，当所述道路的拥塞状态为拥塞时，所述第一探测装置确定将所述第二发射功率调整为所述第一发射功率，所述第一发射功率小于所述第二发射功率。
也就是说，当道路拥塞时，该第一探测装置可以调低当前使用的第二发射功率，或当第二发射功率为该第一探测装置的最低功率时，该第一探测装置可以维持该第二发射功率。
又例如，当所述道路的拥塞状态为畅通时，所述第一探测装置确定将所述第二发射功率调整为所述第一发射功率，所述第一发射功率大于或等于所述第二发射功率。
也就是说，当道路畅通时，该第一探测装置可以调高当前使用的第二发射功率，或当第二发射功率为该第一探测装置的最高功率时，该第一探测装置可以维持该第二发射功率。
又例如，当所述道路的拥塞状态为正常时，所述第一探测装置确定保持所述第二发射功率不变，即所述第一发射功率等于所述第二发射功率。
也就是说，当道路正常时，该第一探测装置可以维持当前使用的第二发射功率。
采用本申请实施例提供的信息传输方法，第一探测装置与处理装置之间，或第一探测装置与通信装置之间存在传输用于指示发射雷达信号所使用的第一发射功率的指示信息 的接口，使得该第一探测装置可以根据该指示信息灵活调节发射雷达信号所使用的发射功率，以适应多变的行驶环境。
此外，在某些情况下(例如交通灯为红灯或道路拥塞的情况下)，该第一探测装置在调节发射功率以满足自身的探测需求的同时，还可以降低对其它探测装置的干扰。
可选地，在S120之后，所述方法还可以包括：所述第一探测装置使用所述第一发射功率发射所述雷达信号。
可选地，在S120之后，所述方法还可以包括：所述第一探测装置发送功率信息和所述指示信息中的至少一种以及时频资源信息，所述功率信息用于指示所述第一发射功率、所述时频资源信息用于指示用于所述雷达信号的时频资源。
需要说明的是，上述S120之后执行的两个步骤的执行顺序不分先后。
可选地，所述第一探测装置可以发送所述功率信息和所述时频资源信息；或，所述第一探测装置可以发送所述指示信息和所述时频资源信息；或，所述第一探测装置可以发送所述功率信息、所述指示信息和所述时频资源信息。
可选地，所述第一探测装置可以通过多种不同的途径发送所述功率信息和所述指示信息中的至少一种以及所述时频资源信息，本申请实施例对此不作限定。
在一种可能的实现方式中，所述第一探测装置可以向通信装置、处理装置或第二探测装置发送所述功率信息和所述指示信息中的至少一种以及时频资源信息。其中，所述第二探测装置可以为其它终端上安装的雷达探测装置。
例如，所述第一探测装置与通信装置之间存在接口时，所述第一探测装置可以向所述通信装置发送上述各种信息；相应地，所述通信装置在接收到上述各种信息之后，可以广播上述各种信息。
又例如，所述第一探测装置与处理装置之间存在接口，所述处理装置与通信装置之间存在接口，且所述第一探测装置与所述通信装置之间不存在接口时，所述第一探测装置可以通过所述处理装置向所述通信装置发送上述各种信息；相应地，所述通信装置可以广播上述各种信息。
在另一种可能的实现方式中，所述第一探测装置可以广播所述功率信息和所述指示信息中的至少一种以及时频资源信息。
例如，如图3中所示，所述第一探测装置自身包括通信模块，所述第一探测装置可以通过自身的通信模块广播上述各种信息。
又例如，所述第一探测装置可以发射雷达信号，所述雷达信号携带上述各种信息。
采用本申请实施例提供的信息传输方法，将功率信息和指示信息中的至少一种以及时频资源信息广播给其它终端，以便于其它终端根据上述各种信息确定所述第一探测装置在分配的时频资源上发射雷达信号所使用的第一发射功率，从而所述其它终端可以据此确定自身的雷达探测装置发送雷达信号所使用的时频资源。
也就是说，其它终端得知周围每个终端的时频资源以及每个终端在该时频资源上发射雷达信号所使用的发射功率，能够确定每块时频资源处于空闲状态还是繁忙状态，从而可以选择其中较为空闲的时频资源，以减少不同终端的雷达探测装置发射的雷达信号之间的干扰。
图6示出了本申请实施例提供的信息传输方法200的示意性流程图，该方法200适用 于图1中所述的应用场景以及图2至图4中所述的***。
S210，第一装置确定指示信息，所述指示信息用于指示第一探测装置确定发射雷达信号所使用的第一发射功率。
S220，所述第一装置向所述第一探测装置发送所述指示信息。
需要说明的是，所述第一装置可以为图2至图4中的处理装置或通信装置。
可选地，S210中，所述指示信息可以为多种不同的形式，本申请实施例对此不作限定。
在第一种可能的实现方式中，所述指示信息可以直接指示所述第一发射功率。
例如，所述指示信息包括多个比特，通过该多个比特表示所述第一发射功率。
在第二种可能的实现方式中，所述指示信息可以指示所述第一发射功率与当前使用的第二发射功率之间的偏移值，该偏移值指示所述第一发射功率。
例如，当前使用的第二发射功率为M，所述指示信息可以指示偏移值Δ＝-m.
在第三种可能的实现方式中，所述指示信息可以指示当前行驶方向上距离所述第一探测装置所在终端最近的交通灯的状态，所述交通灯的状态包括红灯、黄灯或绿灯。
在第四种可能的实现方式中，所述指示信息可以指示所述第一探测装置所在终端当前行驶方向上道路的拥塞状态，所述道路的拥塞状态包括拥塞、正常或畅通。
可选地，S210中，所述第一装置可以通过多种不同的方式确定所述指示信息，本申请实施例对此不作限定。
在一种可能的实现方式中，所述第一装置可以接收第二装置发送的所述指示信息。
例如，所述第一装置为处理装置时，所述第二装置可以为通信装置、或摄像装置或导航装置。
又例如，所述第一装置为通信装置时，所述第二装置可以为其它终端或设备。
在另一种可能的实现方式中，所述第一装置可以自己确定所述指示信息。
下面将分情况介绍该第一装置如何确定上述第三种和第四种可能的实现方式中所述的指示信息。
情况一：所述指示信息指示当前行驶方向上距离所述第一探测装置所在终端最近的交通灯的状态，所述交通灯的状态包括红灯、黄灯或绿灯。
在第一种可能的实现方式中，所述第一装置可以获取第一图像，所述第一图像中包括当前行驶方向上距离所述第一探测装置所在终端最近的交通灯；根据所述第一图像中所述交通灯的状态，确定所述指示信息。
例如，如图4所示，所述第一装置为处理装置时，所述处理装置可以从摄像装置处获取所述第一图像。
在第二种可能的实现方式中，所述第一装置可以获取实时更新的电子地图，所述电子地图指示当前行驶方向上距离所述第一探测装置所在终端最近的交通灯的状态，根据所述电子地图指示的所述交通灯的状态，确定所述指示信息。
具体地，所述电子地图中可以指示所述第一探测装置所在终端周围的多个交通灯的状态，所述第一装置可以根据所述电子地图和所述终端所在位置，确定所述交通灯的状态，并根据所述交通灯的状态，确定所述指示信息。
例如，如图4所示，所述第一装置为处理装置时，所述处理装置可以从导航装置处获 取所述电子地图。
在第三种可能的实现方式中，所述第一装置可以获取交通灯信息，所述交通灯信息用于指示所述交通灯的状态；根据所述交通灯信息指示的所述交通灯的状态，确定所述指示信息。
例如，如图4所示，所述第一装置为处理装置时，所述处理装置可以通过所述摄像装置扫描路侧设置的二维码，确定所述交通灯信息，所述二维码用于实时指示所述交通灯信息。
又例如，如图4所示，所述第一装置为处理装置时，所述处理装置可以从导航装置处获取所述交通灯信息。
可选地，所述第一装置可以通过上述三种可能的实现方式中的至少一种方式确定所述指示信息，本申请实施例对此不作限定。
例如，所述第一装置可以通过上述三种可能的实现方式中的一种可能的实现方式确定所述指示信息，并通过另一种可能的实现方式进行校准。
更进一步地，上述不同的实现方式对应的不同的优先级，该第一装置可以将优先级最高的实现方式确定出的指示信息确定为最终的指示信息。
情况二：所述指示信息指示所述第一探测装置所在终端当前行驶方向上道路的拥塞状态，所述道路的拥塞状态包括拥塞、正常或畅通。
在第一种可能的实现方式中，所述第一装置可以获取第二图像，所述第二图像中包括所述第一探测装置所在终端当前行驶方向上的其它终端；根据所述第二图像，确定所述道路的拥塞状态；根据所述拥塞状态，确定所述指示信息。
具体地，该第一装置可以根据所述第二图像，确定车流量或车辆排队长度；根据所述车流量或车辆排队长度，确定所述拥塞状态。
例如，如图4所示，所述第一装置为处理装置时，所述处理装置可以从摄像装置处获取所述第二图像。
在第二种可能的实现方式中，所述第一装置可以获取实时更新的电子地图，所述电子地图指示当前行驶方向上道路的拥塞状态；根据所述电子指示的拥塞状态，确定所述指示信息。
在第三种可能的实现方式中，所述第一装置可以获取车流量信息，所述车流量信息用于指示当前行驶方向上的车流量或车辆排队长度；根据所述车流量信息指示的所述车流量或所述车辆排队长度，确定所述指示信息。
例如，如图4所示，所述第一装置为处理装置时，所述处理装置可以通过所述摄像装置扫描路侧设置的二维码，确定所述车流量信息，所述二维码用于实时指示所述车流量信息。
又例如，如图4所示，所述第一装置为处理装置时，所述处理装置可以从导航装置处获取所述车流量信息。
可选地，所述第一装置可以通过上述三种可能的实现方式中的至少一种方式确定所述指示信息，本申请实施例对此不作限定。
例如，所述第一装置可以通过上述三种可能的实现方式中的一种可能的实现方式确定所述指示信息，并通过另一种可能的实现方式进行校准。
更进一步地，上述不同的实现方式对应的不同的优先级，该第一装置可以将优先级最高的实现方式确定出的指示信息确定为最终的指示信息。
本申请实施例提供的信息传输方法，第一装置可以在不同行驶环境中指示第一探测装置灵活调节发射雷达信号所使用的第一发射功率，以适应多变的行驶环境。
可选地，在S220之后，所述方法还可以包括：所述第一装置接收所述第一探测装置根据所述指示信息发送的功率信息，所述功率信息用于指示所述第一发射功率。
可选地，在S200之后，所述方法还可以包括：所述第一装置发送所述指示信息和所述功率信息中的至少一种以及时频资源信息，所述时频资源信息用于指示用于所述雷达信号的时频资源。
可选地，所述第一装置可以通过多种不同的途径发送所述指示信息和所述功率信息中的至少一种以及所述时频资源信息，本申请实施例对此不作限定。
在一种可能的实现方式中，所述第一装置为处理装置时，所述处理装置可以向通信装置或第二探测装置发送所述功率信息和所述指示信息中的至少一种以及所述时频资源信息。其中，所述第二探测装置可以为其它终端上安装的雷达探测装置。
例如，所述处理装置与通信装置之间存在接口时，所述处理装置可以向所述通信装置发送的上述各种信息；相应地，所述通信装置在接收到上述各种信息之后，可以广播上述各种信息。
在一种可能的实现方式中，所述第一装置为通信装置时，所述通信装置可以广播所述功率信息和所述指示信息中的至少一种以及所述时频资源信息。
在另一种可能的实现方式中，所述第一装置为处理装置或通信装置时，所述第一装置可以向第一探测装置发送所述时频资源信息；相应地，所述第一探测装置可以广播所述功率信息和所述指示信息中的至少一种以及所述时频资源信息。
采用本申请实施例提供的信息传输方法，将功率信息和指示信息中的至少一种以及时频资源信息广播给其它终端，以便于其它终端根据上述各种信息确定所述第一探测装置在分配的时频资源上发射雷达信号所使用的第一发射功率，从而所述其它终端可以据此确定自身的雷达探测装置发送雷达信号所使用的时频资源。
也就是说，其它终端得知周围每个终端的时频资源以及每个终端在该时频资源上发射雷达信号所使用的发射功率，能够确定每块时频资源处于空闲状态还是繁忙状态，从而可以选择其中较为空闲的时频资源，以减少不同终端的雷达探测装置发射的雷达信号之间的干扰。
图7示出了本申请实施例提供的信息传输方法300的示意性流程图，该方法300适用于图1中所述的应用场景以及图2至图4中所述的***。
S310，摄像装置获取第一图像，所述第一图像中包括当前行驶方向上距离探测装置所在终端最近的交通灯；
S320，所述摄像装置向处理装置发送所述第一图像；相应地，所述处理装置接收所述摄像装置发送的所述第一图像。
S330，所述处理装置根据所述第一图像中的所述交通灯的状态，确定指示信息，所述指示信息用于指示所述交通灯的状态。
具体地，所述处理装置可以根据所述第一图像，确定所述交通灯的状态，并根据所述 交通灯的状态，确定所述指示信息，所述交通灯的状态包括红灯、黄灯和绿灯。
S340，所述处理装置向所述探测装置发送所述指示信息；相应地，所述探测装置接收所述处理装置发送的所述指示信息。
S350，所述探测装置根据所述指示信息，确定将当前使用的第二发射功率调整为所述第一发射功率。
例如，当所述交通灯的状态为红灯时，所述探测装置可以确定将所述第二发射功率调整为所述第一发射功率，所述第一发射功率小于或等于所述第二发射功率。
又例如，当所述交通灯的状态为绿灯时，所述探测装置可以确定将所述第二发射功率调整所述第一发射功率，所述第一发射功率大于或等于所述第二发射功率。
也就是说，当交通灯为红色时，所述探测装置可以根据所述指示信息调低当前使用的第二发射功率，当交通灯为绿色时，所述探测装置可以根据所述指示信息调高当前使用的第二发射功率。
又例如，当所述交通灯的状态为黄灯时，所述探测装置可以确定保持所述第二发射功率不变，即所述第一发射功率等于所述第二发射功率。
S360，所述探测装置采用所述第一发射功率发射所述雷达信号。
可选地，所述方法还包括：所述探测装置通过所述处理装置向所述通信装置发送功率信息，所述功率信息指示所述第一发射功率。
可选地，所述方法还包括：所述通信装置广播所述功率信息和所述指示信息中的至少一种和时频资源信息，所述时频资源信息用于指示所述探测装置发射所述雷达信号所使用的时频资源。
图8示出了本申请实施例提供的信息传输方法400的示意性流程图，该方法400适用于图1中所述的应用场景以及图2至图4中所述的***。
S410，摄像装置获取第二图像，所述第二图像中包括探测装置所在终端当前行驶方向上的其它终端；
S420，所述摄像装置向处理装置发送所述第二图像；相应地，所述处理装置接收所述摄像装置发送的所述第二图像。
S430，所述处理装置根据所述第一图像，确定所述探测装置所在终端当前行驶方向上道路的拥塞状态，所述道路的拥塞状态包括拥塞、正常或畅通。
S440，所述处理装置根据所述道路的拥塞状态，确定指示信息，所述指示信息用于指示所述道路的拥塞状态。
S450，所述处理装置向所述探测装置发送所述指示信息；相应地，所述探测装置接收所述处理装置发送的所述指示信息。
S460，所述探测装置根据所述指示信息，确定将当前使用的第二发射功率调整为所述第一发射功率。
例如，当所述道路的拥塞状态为拥塞时，所述探测装置确定将所述第二发射功率调整为所述第一发射功率，所述第一发射功率小于或等于所述第二发射功率。
又例如，当所述道路的拥塞状态为畅通时，所述探测装置确定将所述第二发射功率调整为所述第一发射功率，所述第一发射功率大于或等于所述第二发射功率。
也就是说，当道路拥塞时，所述探测装置可以根据所述指示信息调低当前使用的第二 发射功率，当道路畅通时，所述探测装置可以根据所述指示信息调高当前使用的第二发射功率。
又例如，当所述道路的拥塞状态为正常时，所述探测装置确定保持所述第二发射功率不变，即所述第一发射功率等于所述第二发射功率。
S470，所述探测装置采用所述第一发射功率发射所述雷达信号。
可选地，所述方法还包括：所述探测装置通过所述处理装置向所述通信装置发送功率信息，所述功率信息指示所述第一发射功率。
可选地，所述方法还包括：所述通信装置广播所述功率信息和所述指示信息中的至少一种和时频资源信息，所述时频资源信息用于指示所述探测装置发射所述雷达信号所使用的时频资源。
上面结合图1至图8详细介绍了本申请实施例提供的信息传输方法，下面将结合图9至图12介绍本申请实施例提供的信息传输装置。
图9示出了本申请实施例提供的信息传输装置500的示意性框图。该装置500包括：
接收单元510，用于接收指示信息，所述指示信息用于指示所述第一探测装置确定发射雷达信号所使用的第一发射功率；
确定单元520，用于根据所述指示信息，确定所述第一发射功率。
可选地，所述装置还包括发送单元，所述发射单元用于使用所述第一发射功率发射所述雷达信号。
可选地，所述发送单元还用于发送功率信息和所述指示信息中的至少一种以及时频资源信息，所述功率信息用于指示所述第一发射功率、所述时频资源信息用于指示用于所述雷达信号的时频资源。
可选地，所述发送单元具体用于向通信装置、处理装置或第二探测装置发送所述功率信息和所述指示信息中的至少一种以及时频资源信息。
可选地，所述确定单元具体用于根据所述指示信息，确定将当前使用的第二发射功率调整为所述第一发射功率。
可选地，所述指示信息指示当前行驶方向上距离所述第一探测装置所在终端最近的交通灯的状态，所述交通灯的状态包括红灯、黄灯或绿灯。
可选地，所述确定单元具体用于：当所述交通灯的状态为红灯时，确定将所述第二发射功率调整为所述第一发射功率，所述第一发射功率小于或等于所述第二发射功率；或，当所述交通灯的状态为绿灯时，确定将所述第二发射功率调整所述第一发射功率，所述第一发射功率大于或等于所述第二发射功率。
可选地，所述指示信息指示所述第一探测装置所在终端当前行驶方向上道路的拥塞状态，所述道路的拥塞状态包括拥塞、正常或畅通。
可选地，所述确定单元具体用于：当所述道路的拥塞状态为拥塞时，确定将所述第二发射功率调整为所述第一发射功率，所述第一发射功率小于或等于所述第二发射功率；或，当所述道路的拥塞状态为畅通时，确定将所述第二发射功率调整为所述第一发射功率，所述第一发射功率大于或等于所述第二发射功率。
应理解，这里的装置500以功能单元的形式体现。这里的术语“单元”可以指应用特有集成电路(application specific integrated circuit，ASIC)、电子电路、用于执行一个或多个 软件或固件程序的处理器(例如共享处理器、专有处理器或组处理器等)和存储器、合并逻辑电路和/或其它支持所描述的功能的合适组件。在一个可选例子中，本领域技术人员可以理解，装置500可以具体为上述方法100至方法400实施例中的第一探测装置或探测装置，装置500可以用于执行上述方法100至方法400实施例中与第一探测装置或探测装置对应的各个流程和/或步骤，为避免重复，在此不再赘述。
图10示出了本申请实施例提供的信息传输装置600的示意性框图。该装置600包括：
确定装置610，用于确定指示信息，所述指示信息用于指示第一探测装置确定发射雷达信号所使用的第一发射功率；
发送装置620，用于向所述第一探测装置发送所述指示信息。
可选地，所述装置还包括接收单元，所述接收单元用于接收第二装置发送的所述指示信息。
可选地，所述接收单元还用于接收所述第一探测装置根据所述指示信息发送的功率信息，所述功率信息用于指示所述第一发射功率。
可选地，所述发送单元用于发送所述功率信息和所述指示信息中的至少一种以及时频资源信息，所述时频资源信息用于指示用于所述雷达信号的时频资源。
可选地，所述发送单元具体用于向通信装置发送所述功率信息和所述指示信息中的至少一种以及所述时频资源信息。
可选地，所述指示信息指示当前行驶方向上距离所述第一探测装置所在终端最近的交通灯的状态，所述交通灯的状态包括红灯、黄灯或绿灯。
可选地，所述确定单元具体用于：获取第一图像，所述第一图像中包括当前行驶方向上距离所述第一探测装置所在终端最近的交通灯；根据所述第一图像中的所述交通灯的状态，确定所述指示信息。
可选地，所述指示信息指示所述第一探测装置所在终端当前行驶方向上道路的拥塞状态，所述道路的拥塞状态包括拥塞、正常或畅通。
可选地，所述确定单元具体用于：获取第二图像，所述第二图像中包括所述第一探测装置所在终端当前行驶方向上的其它终端；根据所述第二图像，确定所述道路的拥塞状态；根据所述道路的拥塞状态，确定所述指示信息。
应理解，这里的装置600以功能单元的形式体现。这里的术语“单元”可以指ASIC、电子电路、用于执行一个或多个软件或固件程序的处理器(例如共享处理器、专有处理器或组处理器等)和存储器、合并逻辑电路和/或其它支持所描述的功能的合适组件。在一个可选例子中，本领域技术人员可以理解，装置600可以具体为上述方法100至方法400实施例中的第一装置或处理装置，装置600可以用于执行上述方法100至方法400实施例中与第一装置或处理装置对应的各个流程和/或步骤，为避免重复，在此不再赘述。
图11示出了本申请实施例提供的信息传输装置700，该装置700可以为图9中所述的装置500。该装置500可以采用如图11所示的硬件架构。该装置700可以包括处理器710、收发器720和存储器730，该处理器710、收发器720和存储器730通过内部连接通路互相通信。图9中的确定单元520所实现的相关功能可以由处理器710来实现，接收单元510所实现的相关功能可以由处理器710控制收发器720来实现。
该处理器710可以包括是一个或多个处理器，例如包括一个或多个中央处理单元 (central processing unit，CPU)，在处理器是一个CPU的情况下，该CPU可以是单核CPU，也可以是多核CPU。
该收发器720用于发送和接收数据和/或信息，以及接收数据和/或信息。该收发器可以包括发射器和接收器，发射器用于发送数据和/或信号，接收器用于接收数据和/或信号。
该存储器730包括但不限于是随机存取存储器(random access memory，RAM)、只读存储器(read-only memory，ROM)、可擦除可编程存储器(erasable programmable read only memory，EPROM)、只读光盘(compact disc read-only memory，CD-ROM)，该存储器730用于存储相关指令及数据。
存储器730用于存储装置的程序代码和数据，可以为单独的器件或集成在处理器710中。
具体地，所述处理器710用于控制收发器与处理装置、通信装置等进行信号传输。具体可参见方法实施例中的描述，在此不再赘述。
可以理解的是，图11仅仅示出了装置700的简化设计。在实际应用中，装置700还可以分别包含必要的其他元件，包含但不限于任意数量的收发器、处理器、控制器、存储器等，而所有可以实现本申请的管理设备都在本申请的保护范围之内。
在一种可能的设计中，装置700可以被替换为芯片装置，用于实现装置中处理器的相关功能。该芯片装置可以为实现相关功能的现场可编程门阵列，专用集成芯片，***芯片，中央处理器，网络处理器，数字信号处理电路，微控制器，还可以采用可编程控制器或其他集成芯片。该芯片中，可选的可以包括一个或多个存储器，用于存储程序代码，当所述代码被执行时，使得处理器实现相应的功能。
可选地，该装置700可以为车载终端，例如，车载终端中的雷达探测设备。
图12示出了本申请实施例提供的信息传输装置800，该装置800可以为图10中所述的装置600。该装置600可以采用如图12所示的硬件架构。该装置800可以包括处理器810、收发器820和存储器830，该处理器810、收发器820和存储器830通过内部连接通路互相通信。图10中的确定单元610所实现的相关功能可以由处理器810来实现，发送单元620所实现的相关功能可以由处理器810控制收发器820来实现。
该处理器810可以包括是一个或多个处理器，例如包括一个或多个CPU，在处理器是一个CPU的情况下，该CPU可以是单核CPU，也可以是多核CPU。
该收发器820用于发送和接收数据和/或信息，以及接收数据和/或信息。该收发器可以包括发射器和接收器，发射器用于发送数据和/或信号，接收器用于接收数据和/或信号。
该存储器830包括但不限于是RAM、ROM、EPROM、CD-ROM，该存储器830用于存储相关指令及数据。
存储器830用于存储装置的程序代码和数据，可以为单独的器件或集成在处理器810中。
具体地，所述处理器810用于控制收发器与第一探测装置进行信号传输。具体可参见方法实施例中的描述，在此不再赘述。
可以理解的是，图12仅仅示出了装置800的简化设计。在实际应用中，装置800还可以分别包含必要的其他元件，包含但不限于任意数量的收发器、处理器、控制器、存储器等，而所有可以实现本申请的管理设备都在本申请的保护范围之内。
在一种可能的设计中，装置800可以被替换为芯片装置，用于实现装置中处理器的相关功能。该芯片装置可以为实现相关功能的现场可编程门阵列，专用集成芯片，***芯片，中央处理器，网络处理器，数字信号处理电路，微控制器，还可以采用可编程控制器或其他集成芯片。该芯片中，可选的可以包括一个或多个存储器，用于存储程序代码，当所述代码被执行时，使得处理器实现相应的功能。
可选地，该装置800可以为车载终端。
应理解，在本申请的各种实施例中，上述各过程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。
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。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的***、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的***、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，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信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述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。
另外，在本申请各个实施例中的各功能单元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。
所述功能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，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、ROM、RAM、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，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，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，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所述以权利要求的保护范围为准。

Claims (39)

  1. 一种信息传输方法，其特征在于，包括：
    第一探测装置接收指示信息，所述指示信息用于指示所述第一探测装置确定发射雷达信号所使用的第一发射功率；
    所述第一探测装置根据所述指示信息，确定所述第一发射功率。
  2. 根据权利要求1所述的方法，其特征在于，所述方法还包括：
    所述第一探测装置使用所述第一发射功率发射所述雷达信号。
  3. 根据权利要求1或2所述的方法，其特征在于，所述方法还包括：
    所述第一探测装置发送功率信息和所述指示信息中的至少一种以及时频资源信息，所述功率信息用于指示所述第一发射功率、所述时频资源信息用于指示用于所述雷达信号的时频资源。
  4. 根据权利要求3所述的方法，其特征在于，所述第一探测装置发送功率信息和所述指示信息中的至少一种以及时频资源信息，包括：
    所述第一探测装置向通信装置、处理装置或第二探测装置发送所述功率信息和所述指示信息中的至少一种以及时频资源信息。
  5. 根据权利要求1至4中任一项所述的方法，其特征在于，所述第一探测装置根据所述指示信息，确定所述第一发射功率，包括：
    所述第一探测装置根据所述指示信息，确定将当前使用的第二发射功率调整为所述第一发射功率。
  6. 根据权利要求5所述的方法，其特征在于，所述指示信息指示当前行驶方向上距离所述第一探测装置所在终端最近的交通灯的状态，所述交通灯的状态包括红灯、黄灯或绿灯。
  7. 根据权利要求6所述的方法，其特征在于，所述第一探测装置根据所述指示信息，确定将第二发射功率调整为所述第一发射功率，包括：
    当所述交通灯的状态为红灯时，所述第一探测装置确定将所述第二发射功率调整为所述第一发射功率，所述第一发射功率小于或等于所述第二发射功率；或，
    当所述交通灯的状态为绿灯时，所述第一探测装置确定将所述第二发射功率调整所述第一发射功率，所述第一发射功率大于或等于所述第二发射功率。
  8. 根据权利要求5所述的方法，其特征在于，所述指示信息指示所述第一探测装置所在终端当前行驶方向上道路的拥塞状态，所述道路的拥塞状态包括拥塞、正常或畅通。
  9. 根据权利要求8所述的方法，其特征在于，所述第一探测装置根据所述指示信息，确定将第二发射功率调整为所述第一发射功率，包括：
    当所述道路的拥塞状态为拥塞时，所述第一探测装置确定将所述第二发射功率调整为所述第一发射功率，所述第一发射功率小于或等于所述第二发射功率；或，
    当所述道路的拥塞状态为畅通时，所述第一探测装置确定将所述第二发射功率调整为所述第一发射功率，所述第一发射功率大于或等于所述第二发射功率。
  10. 一种信息传输方法，其特征在于，包括：
    第一装置确定指示信息，所述指示信息用于指示第一探测装置确定发射雷达信号所使 用的第一发射功率；
    所述第一装置向所述第一探测装置发送所述指示信息。
  11. 根据权利要求10所述的方法，其特征在于，所述第一装置确定指示信息，包括：
    所述第一装置接收第二装置发送的所述指示信息。
  12. 根据权利要求10或11所述的方法，其特征在于，所述方法还包括：
    所述第一装置接收所述第一探测装置根据所述指示信息发送的功率信息，所述功率信息用于指示所述第一发射功率。
  13. 根据权利要求12所述的方法，其特征在于，所述方法还包括：
    所述第一装置发送所述功率信息和所述指示信息中的至少一种以及时频资源信息，所述时频资源信息用于指示用于所述雷达信号的时频资源。
  14. 根据权利要求13所述的方法，其特征在于，所述第一装置发送所述功率信息和所述指示信息中的至少一种以及时频资源信息，包括：
    所述第一装置向通信装置发送所述功率信息和所述指示信息中的至少一种以及所述时频资源信息。
  15. 根据权利要求10至14中任一项所述的方法，其特征在于，所述指示信息指示当前行驶方向上距离所述第一探测装置所在终端最近的交通灯的状态，所述交通灯的状态包括红灯、黄灯或绿灯。
  16. 根据权利要求15所述的方法，其特征在于，所述第一装置确定指示信息，包括：
    所述第一装置获取第一图像，所述第一图像中包括当前行驶方向上距离所述第一探测装置所在终端最近的交通灯；
    所述第一装置根据所述第一图像中的所述交通灯的状态，确定所述指示信息。
  17. 根据权利要求10至14中任一项所述的方法，其特征在于，所述指示信息指示所述第一探测装置所在终端当前行驶方向上道路的拥塞状态，所述道路的拥塞状态包括拥塞、正常或畅通。
  18. 根据权利要求17所述的方法，其特征在于，所述第一装置确定功率控制信息，包括：
    所述第一装置获取第二图像，所述第二图像中包括所述第一探测装置所在终端当前行驶方向上的其它终端；
    所述第一装置根据所述第二图像，确定所述道路的拥塞状态；
    所述第一装置根据所述道路的拥塞状态，确定所述指示信息。
  19. 一种装置，其特征在于，包括：处理器，以及与所述处理器耦合的接收器和发送器，其中，
    所述接收器用于接收指示信息，所述指示信息用于指示所述第一探测装置确定发射雷达信号所使用的第一发射功率；
    所述处理器用于根据所述指示信息，确定所述第一发射功率。
  20. 根据权利要求19所述的装置，其特征在于，
    所述发送器用于使用所述第一发射功率发射所述雷达信号。
  21. 根据权利要求19或20所述的装置，其特征在于，
    所述发送器还用于发送功率信息和所述指示信息中的至少一种以及时频资源信息， 所述功率信息用于指示所述第一发射功率、所述时频资源信息用于指示用于所述雷达信号的时频资源。
  22. 根据权利要求21所述的装置，其特征在于，
    所述发送器具体用于向通信装置、处理装置或第二探测装置发送所述功率信息和所述指示信息中的至少一种以及时频资源信息。
  23. 根据权利要求19至22中任一项所述的装置，其特征在于，
    所述处理器用于根据所述指示信息，确定将当前使用的第二发射功率调整为所述第一发射功率。
  24. 根据权利要求23所述的装置，其特征在于，所述指示信息指示当前行驶方向上距离所述第一探测装置所在终端最近的交通灯的状态，所述交通灯的状态包括红灯、黄灯或绿灯。
  25. 根据权利要求24所述的装置，其特征在于，所述处理器具体用于：
    当所述交通灯的状态为红灯时，确定将所述第二发射功率调整为所述第一发射功率，所述第一发射功率小于或等于所述第二发射功率；或，
    当所述交通灯的状态为绿灯时，确定将所述第二发射功率调整所述第一发射功率，所述第一发射功率大于或等于所述第二发射功率。
  26. 根据权利要求23所述的装置，其特征在于，所述指示信息指示所述第一探测装置所在终端当前行驶方向上道路的拥塞状态，所述道路的拥塞状态包括拥塞、正常或畅通。
  27. 根据权利要求26所述的装置，其特征在于，所述处理器具体用于：
    当所述道路的拥塞状态为拥塞时，确定将所述第二发射功率调整为所述第一发射功率，所述第一发射功率小于或等于所述第二发射功率；或，
    当所述道路的拥塞状态为畅通时，确定将所述第二发射功率调整为所述第一发射功率，所述第一发射功率大于或等于所述第二发射功率。
  28. 一种装置，其特征在于，包括：处理器，以及与所述处理器耦合的接收器和发送器，其中，
    所述处理器用于确定指示信息，所述指示信息用于指示第一探测装置确定发射雷达信号所使用的第一发射功率；
    所述发送器用于向所述第一探测装置发送所述指示信息。
  29. 根据权利要求28所述的装置，其特征在于，
    所述接收器用于接收第二装置发送的所述指示信息。
  30. 根据权利要求28或29所述的装置，其特征在于，
    所述接收器用于接收所述第一探测装置根据所述指示信息发送的功率信息，所述功率信息用于指示所述第一发射功率。
  31. 根据权利要求30所述的装置，其特征在于，
    所述发送器具体用于发送所述功率信息和所述指示信息中的至少一种以及时频资源信息，所述时频资源信息用于指示用于所述雷达信号的时频资源。
  32. 根据权利要求31所述的装置，其特征在于，
    所述发送器具体用于向通信装置发送所述功率信息和所述指示信息中的至少一种以及所述时频资源信息。
  33. 根据权利要求28至32中任一项所述的装置，其特征在于，所述指示信息指示当前行驶方向上距离所述第一探测装置所在终端最近的交通灯的状态，所述交通灯的状态包括红灯、黄灯或绿灯。
  34. 根据权利要求33所述的装置，其特征在于，所述处理器具体用于：
    获取第一图像，所述第一图像中包括当前行驶方向上距离所述第一探测装置所在终端最近的交通灯；
    根据所述第一图像中的所述交通灯的状态，确定所述指示信息。
  35. 根据权利要求28至32中任一项所述的装置，其特征在于，所述指示信息指示所述第一探测装置所在终端当前行驶方向上道路的拥塞状态，所述道路的拥塞状态包括拥塞、正常或畅通。
  36. 根据权利要求35所述的装置，其特征在于，所述处理器具体用于：
    获取第二图像，所述第二图像中包括所述第一探测装置所在终端当前行驶方向上的其它终端；
    根据所述第二图像，确定所述道路的拥塞状态；
    根据所述道路的拥塞状态，确定所述指示信息。
  37. 一种芯片装置，包括：至少一个处理器以及存储器，所述处理器用于执行所述存储器中的代码，其特征在于，当所述处理器执行所述代码时，所述芯片装置实现上述权利要求1至18中任一项所述的方法。
  38. 一种计算机可读存储介质，用于存储计算机程序，其特征在于，所述计算机程序包括用于实现上述权利要求1至18中任一项所述的方法的指令。
  39. 一种计算机程序产品，所述计算机程序产品中包含指令，其特征在于，当所述指令在计算机上运行时，使得计算机实现上述权利要求1至18中任一项所述的方法。
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