WO2024061062A1 - 通信方法、电子设备,以及可读存储介质 - Google Patents
通信方法、电子设备,以及可读存储介质 Download PDFInfo
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- WO2024061062A1 WO2024061062A1 PCT/CN2023/118411 CN2023118411W WO2024061062A1 WO 2024061062 A1 WO2024061062 A1 WO 2024061062A1 CN 2023118411 W CN2023118411 W CN 2023118411W WO 2024061062 A1 WO2024061062 A1 WO 2024061062A1
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- radar
- target area
- ultra
- radar coverage
- wideband
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Classifications
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
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- 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
- G01S13/003—Bistatic radar systems; Multistatic radar systems
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- 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
- G01S7/006—Transmission of data between radar, sonar or lidar systems and remote stations using shared front-end circuitry, e.g. antennas
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- 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
- G01S7/04—Display arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
Definitions
- the embodiments of the present application relate to the field of communication technology, and in particular, to a communication method, electronic device, and readable storage medium.
- radar equipment can be deployed in the room, and the radar equipment can emit radar pulses for target detection, motion detection, etc.
- Embodiments of the present application provide a communication method, electronic device, and readable storage medium. Users can deploy radar equipment by themselves, and the deployment efficiency is high.
- inventions of the present application provide a communication method.
- the execution subject of the communication method may be a control device or a first device.
- the first device and the second device are both ultra-wideband devices, and both the first device and the second device are in the target area. Target areas such as homes, factories, classrooms, etc. are not limited in this embodiment of the application.
- the first device and the second device may be wired or wirelessly connected, and communication may be performed between the first device and the second device.
- the execution subject is a control device
- the control device may be connected to the first device and the second device through wired or wireless connections.
- the first device when the user deploys the first device and the second device, the first device can obtain the first initial position of the first device and the field of view of the first device, as well as the position information of the second device and the field of view of the second device.
- the first device can locate the second device to obtain the position information of the second device, and the first device can interact with the second device to obtain the field of view of the second device.
- the first initial position of the first device can be predefined, input by the user, or sent to the first device after the second device locates the first device.
- the first device may display the first radar coverage of the first device on the spatial layout map of the target area according to the first initial position of the first device and the field of view angle of the first device, and , display the second radar coverage of the second device on the spatial layout map according to the location information of the second device and the field of view of the second device. In this way, the user can see the deployed first radar coverage of the first device and the second radar coverage of the second device on the first device.
- the first device may detect whether it is necessary to adjust the position of the first device and/or the second device according to the first radar coverage and the second radar coverage so that the target area is covered by the first radar.
- the coverage range and the second radar coverage range are wider and do not include coverage blind spots.
- control device obtains the first initial position of the first device and the field of view of the first device, as well as the position information of the second device and the field of view of the second device.
- Field angle :
- the first device can locate the second device and obtain the location information of the second device, and the second device can also locate the first device and obtain the location information of the first device.
- the first device can send the position information of the second device and the field of view of the first device to the control device, and the second device can also send the position information of the first device and the field of view of the second device to the control device.
- the control device can obtain the first initial position of the first device and the field of view angle of the first device, as well as the position information of the second device and the field of view angle of the second device.
- the location information of the first device includes the first initial location.
- the first device is a master device, and the master device is used to exchange data with the control device.
- the first device may locate the The second device can obtain the location information of the second device.
- the second device can also locate the first device and obtain the location information of the first device.
- the second device can send the location information of the first device and the field of view of the second device to the first device.
- the first device can send the location information of the first device, the location information of the second device, and the field of view of the first device.
- the field angle, and the field of view angle of the second device are sent to the control device.
- the control device can also obtain the first initial position of the first device and the field of view angle of the first device, as well as the position information of the second device and the field of view angle of the second device.
- the location information of the first device includes the first initial location.
- the first device can locate and obtain the first initial position of the first device to be deployed, and the position information of the second device, without the user having to measure the position of the radar device to be deployed. information, high efficiency, and high accuracy.
- the first device may determine the first device based on the first initial position of the first device and the field of view angle of the first device, as well as the position information of the second device and the field of view angle of the second device.
- the coverage area of the first device and the second device prompts the user to adjust the location of the first device and/or the second device, so that the user can deploy the first device and the second device at the prompt of the first device without the need for professionals to come to the door. Deployment, deployment efficiency is high.
- the first device can provide an interface for interaction with the user, and when the user deploys the first device and the second device, the first device can display a spatial layout diagram of the target area.
- the first device when the spatial layout diagram of the target area is pre-stored in the first device, the first device can directly display the spatial layout diagram of the target area; when the spatial layout diagram of the target area is not stored in the first device, the first device can Second prompt information is output to prompt the user to input the spatial layout of the target area. After the user inputs the spatial layout of the target area, the first device may display the spatial layout of the target area.
- the purpose of the first device displaying the spatial layout of the target area is to facilitate the user to determine the first initial position.
- the first device may display the first initial position on the spatial layout map. For example, the first device can click a position on the spatial layout map of the target area, and the position is the first initial position of the first device determined by the user.
- the purpose for the user to determine the first initial location is: in one example, the first device locates the second device, and the acquired location information of the second device is location information relative to the first device, such as the location information of the second device relative to the first device. After the first initial position is determined based on the distance and angle of the device, the first device can determine the second initial position of the second device based on the position information of the second device obtained by positioning the first device.
- the user when deploying the first device and the second device, the user can first determine the first initial position of the first device on the spatial layout map of the target area. This facilitates the first device to locate the second device and obtains the first Second initial position of the second device in the target area.
- the first device detects whether the position of the first device and/or the second device needs to be adjusted based on the first radar coverage and the second radar coverage.
- first radar coverage area and the second radar coverage area intersect, it is determined that there is no need to adjust the positions of the first device and/or the second device.
- positions of the first device and/or the second device need to be adjusted. In other words, if there is no uncovered area between the first radar coverage range and the second radar coverage range, it is determined that there is no need to adjust the positions of the first device and/or the second device.
- the first device can detect whether there is a radar coverage blind area in the target area based on the target area, the first radar coverage area, and the second radar coverage area. Wherein, if there is a radar coverage blind area in the target area, the first device determines that the positions of the first device and/or the second device need to be adjusted; if there is no radar coverage blind area in the target area, the first device determines that there is no need to adjust The location of the first device and/or the second device. In other words, when there is an uncovered area in the target area, the positions of the first device and/or the second device need to be adjusted.
- the first prompt information output by the first device includes: the adjusted position of the first device and/or the adjusted position of the second device.
- the user can determine the specific position to which the first device and/or the second device should be adjusted based on the first prompt information, thereby achieving a wider coverage without the need for the user to calculate by himself or for professionals to come to adjust.
- the user later installs or removes the radar device, he or she can still trigger the first device or the control device to redeploy the radar device, which is not only efficient but also highly accurate in deployment.
- the first device can also detect the radar device in the target area in real time to automatically trigger the redeployment of the radar device:
- the first device may perform positioning every first preset time period to detect whether an ultra-wideband device is added to the target area, an ultra-wideband device is removed, the location of the first device changes, or The position of the second device changes.
- an ultra-wideband device is added to the target area, an ultra-wideband device is removed, the location of the first device changes, or the location of the second device changes, according to the location and location of the ultra-wideband device in the target area, field of view, determines the ultra-wideband in the target area Radar coverage of the device.
- the first device detects whether the position of the ultra-wideband device in the target area needs to be adjusted based on the radar coverage of the ultra-wideband device in the target area.
- the ultra-wideband equipment in the target area when a new ultra-wideband device is added to the target area, includes: the first device, the second device, and the newly added ultra-wideband device.
- the ultra-wideband devices in the target area include: devices that have not been removed from the first device and the second device.
- the ultra-wideband devices in the target area include: the first device and the second device.
- the first device may output third prompt information, and the third prompt information is used to prompt the user to adjust The location of ultra-wideband equipment in the target area.
- the first device can detect the addition, removal, and position change of the ultra-wideband in the target area by itself, and can automatically prompt the user to adjust the position of the ultra-wideband device, which is more intelligent.
- the deployment process of the first device and the second device is described above.
- the following describes the method for the first device and the second device to collaboratively sense objects after the deployment of the first device and the second device is completed:
- the first device may emit radar pulses to sense objects in the target area.
- the first device may send a listening instruction to the second device, where the listening instruction is used to instruct the second device to enter the listening state from the working state.
- the second device receives the listening instruction from the first device. If the second device does not sense the object, the second device can enter the listening state from the working state. If the second device is also sensing the object, the second device The working state can be maintained to continue to perceive objects.
- the first device After the first device sends a listening instruction to the second device, it can continue to sense the object, and when the object moves to the second radar coverage range, send a wake-up instruction to the second device.
- the wake-up indication is used to instruct the second device to enter the working state from the listening state to continue to sense the object.
- the location of an object can be detected, and the devices within the radar coverage range where the object is located can sense the object, and other devices can enter a listening state to reduce device power consumption.
- the first device after sending the wake-up instruction to the second device, the first device also needs to perform clock synchronization with the second device in order to align the data of the objects sensed by the first device and the second device. And the first device also sends the configuration parameters of the first device to the second device, so that the second device adjusts the configuration parameters of the second device to be consistent with the configuration parameters of the first device, In this way, the second device and the first device collect data according to the same configuration parameters to ensure the accuracy of perception. In addition, the first device can also send data that the object has been sensed to the second device, which can ensure the continuity of object perception.
- the second device can send a listening instruction to the first device, and the first device can enter from the working state in response to the listening instruction. Listening state to reduce power consumption of the first device.
- the target area includes the first device and the second device.
- the target area also includes a third device, and the third device is an ultra-wideband device.
- the first device, the second device, and the third device may communicate with each other, or the first device, the second device, and the third device may also communicate with the control device.
- the first device when sensing the motion of the object, it is necessary to determine a target device that cooperates in sensing the object.
- the first device is the master device
- the second device and the third device can send their respective strengths to the first device.
- the master device may be determined by the user.
- the first device may be determined as the master device in response to the user's operation of determining the first device as the master device.
- the master device may also be determined by the first device, the second device, and the third device.
- the first device, the second device, and the third device may send respective strengths to each other to determine the target device of the collaborative sensing object.
- the first device can receive the second intensity from the second device and the third intensity from the third device, where the second intensity is: the third intensity
- the second device emits a radar pulse and collects the intensity of the reflected radar signal.
- the third intensity is: the third device emits a radar pulse and collects the intensity of the reflected radar signal.
- the first device determines at least two candidate devices greater than a strength threshold based on the first strength, the second strength, and the third strength of the first device, where the first strength is: the first device
- the intensity of the reflected radar signal is collected after transmitting a radar pulse.
- the first device will connect pairs of the at least two candidate devices to obtain at least one connection, and according to the angle between the movement direction of the object and each connection, it will move with the object.
- the two devices on the connection with the smallest direction angle are used as target devices, and the target devices are used to sense the movement of the object.
- two devices on the line with the smallest angle to the object's movement direction are used as target devices, so that the result of sensing the object can be determined more accurately and the sensing accuracy can be improved.
- the first device may perform clock synchronization with the second device, and the first device may send the first device to the second device.
- Configuration parameters of a device so that the second device adjusts the configuration parameters of the second device to be consistent with the configuration parameters of the first device.
- the second device can send the second motion detection result of the object sensed by the second device to the first device, and the result of the first device sensing the object is the first motion detection. result.
- the first device may fuse the first motion detection result of the object sensed by the first device and the second motion detection result to obtain the motion detection result of the object.
- the first device can fuse the motion detection results of objects sensed by multiple devices to obtain detection results with higher accuracy.
- embodiments of the present application provide an electronic device, which may include a processor and a memory.
- the memory is used to store computer-executable program code, and the program code includes instructions; when the processor executes the instructions, the instructions cause the electronic device to perform the method in the first aspect.
- embodiments of the present application provide a computer program product containing instructions that, when run on a computer, cause the computer to execute the method in the first aspect.
- embodiments of the present application provide a computer-readable storage medium that stores instructions that, when run on a computer, cause the computer to execute the method in the first aspect.
- Figure 1 is an existing system architecture diagram of radar sensing
- Figure 2A is a schematic diagram of a system architecture provided by an embodiment of the present application.
- Figure 2B is a schematic diagram of another system architecture provided by an embodiment of the present application.
- Figure 3A is a schematic flowchart of an embodiment of the communication method provided by the embodiment of the present application.
- Figure 3B is a schematic flow chart of another embodiment of the communication method provided by the embodiment of the present application.
- Figure 4 is a schematic diagram of the interface for a UWB device to access an AP provided by the embodiment of the present application;
- FIG. 5 is a schematic interface diagram of UWB device deployment provided by the embodiment of the present application.
- Figure 6A is a schematic diagram of the radar coverage provided by the embodiment of the present application.
- Figure 6B is a schematic diagram of adjusting UWB device deployment provided by an embodiment of the present application.
- Figure 7 is a schematic flow chart of another embodiment of the communication method provided by the embodiment of the present application.
- Figure 8 is a schematic diagram of adjusting UWB device deployment provided by an embodiment of the present application.
- FIG. 9 is a schematic flowchart of another embodiment of the communication method provided by the embodiment of the present application.
- Figure 10 is a schematic diagram of collaborative sensing of UWB devices provided by an embodiment of the present application.
- Figure 11 is a schematic flow chart of another embodiment of the communication method provided by the embodiment of the present application.
- Figure 12A is a schematic diagram of the connection of two UWB devices provided by the embodiment of the present application.
- Figure 12B is another schematic diagram of collaborative sensing of UWB devices provided by an embodiment of the present application.
- Figure 12C is another schematic diagram of cooperative sensing of UWB devices provided by an embodiment of the present application.
- Figure 13 is a schematic structural diagram of an electronic device provided by an embodiment of the present application.
- Radar sensing technology has been widely used in various scenarios, such as whole-house smart scenarios, driving scenarios, smart factory scenarios, etc.
- the basic principle of radar sensing is: radar equipment emits radar pulses, which can be reflected when encountering objects, people, etc.
- the radar equipment can sense the environment around the radar equipment based on the reflected radar signals.
- a vehicle can emit radar pulses and sense objects around the vehicle based on the reflected radar signals to ensure safe driving.
- radar sensing technology can also be used to identify the posture of objects, perform motion detection, and detect physical signs. wait.
- the radar device can continuously detect the distance of the object from the radar device based on the reflected radar signal to detect the movement of the object.
- Physical sign detection may include but is not limited to: breathing detection, sleep detection, and heart rate detection.
- breathing detection as an example, the radar device can sense the breathing frequency of the subject based on the radar signal reflected from the chest of the subject.
- the embodiments of this application are not exhaustive of the functions of radar sensing technology.
- the radar equipment can be a separate device, or integrated with the home appliances or furniture in the whole-house intelligent scene.
- This application implements There is no restriction on this. Radar equipment is usually deployed in hard-to-reach locations such as ceilings or corners. It is difficult for users to measure the installation location of radar equipment. Moreover, users do not know the coverage of each radar equipment and cannot measure the location of each radar equipment. deploy. Improper deployment of radar equipment can easily cause problems such as incomplete radar coverage or interference between radar pulses. Currently, when deploying radar equipment, professionals need to install and deploy the radar equipment, which is inefficient.
- Figure 1 is an existing system architecture diagram of radar sensing.
- the system architecture may include: a master control node and N radar devices.
- N radar devices include radar device 1, radar device 2 and radar device 3 are taken as an example.
- the radar devices in Figure 1 are all for Doppler radar.
- the wireless connection is such as Bluetooth connection.
- the embodiment of the present application does not limit the wireless connection method.
- Multiple radar devices work in a frequency division multiplexing manner, and the master control node obtains the data collected by each radar device in a time division multiplexing polling manner.
- radar equipment also needs to be installed and deployed by professionals, and there is still a problem of low efficiency.
- the master control node controls the corresponding radar to detect the object, considering the air interface delay, it will cause the problem of untimely response. Therefore, multiple radar devices in Figure 1 will keep working to detect the object in time. This will lead to high power consumption of radar equipment, and it is also necessary to adopt frequency division multiplexing or frequency hopping and other anti-interference mechanisms between radar devices to realize the simultaneous operation of multiple radar devices.
- UWB radar includes: millimeter wave radar and ultra wide band (UWB) radar.
- UWB radar may include, but is not limited to: impulse ultrawideband (IR-UWB) radar, orthogonal frequency division multiplexing (OFDM) radar, and stepped frequency Radar (stepped frequency radar), the embodiment of this application does not limit the type of UWB radar.
- IR-UWB impulse ultrawideband
- OFDM orthogonal frequency division multiplexing
- stepped frequency Radar stepped frequency radar
- Millimeter wave radar is a radar that operates in the millimeter wave frequency band.
- millimeter wave radars operating in the 24GHz frequency band, with an available bandwidth of 250MHz.
- the available bandwidth of millimeter-wave radar is small, resulting in low distance resolution and weak anti-interference ability of millimeter-wave radar.
- the frequency band in which millimeter wave radar operates will produce large transmission losses.
- the working frequency band of UWB radar is the 8GHz frequency band.
- the loss of radar transmission is low, and the available bandwidth of UWB radar is greater than 1.5GHz.
- UWB radar Compared with millimeter-wave radar, UWB radar has high distance resolution and strong anti-interference ability.
- UWB radar also has communication capabilities of up to 31.2Mbps and centimeter-level precision positioning capabilities defined by the 802.15.4z protocol, making it easier to implement radar Point-to-point communication between UWB radars makes it easier to implement self-networking and deployment between UWB radars.
- embodiments of the present application provide a communication method. Based on the communication capabilities of UWB radars themselves, a method for UWB radars to interact with each other to form a self-organizing network is provided, as well as a method for UWB radars to interact with users to provide deployment solutions. With this method, users can deploy the radar by themselves, without the need for professionals to install and deploy it. The difficulty is low and the deployment efficiency can be improved.
- the first device and the second device are taken as examples to illustrate the self-organizing network between the devices provided by the embodiments of the present application and the deployment process.
- both the first device and the second device are UWB devices, and both the first device and the second device have positioning functions and radar sensing functions.
- the first device having a positioning function as an example to illustrate, that is, the first device can position other electronic devices.
- the first device has communication capabilities defined by the 802.15.4z protocol, and the first device can achieve positioning based on this communication capability.
- the embodiment of this application does not elaborate on the principle of positioning the first device, and reference can be made to the description in the 802.15.4z protocol.
- the first device having a radar sensing function that is, the first device can emit radar pulses to achieve radar sensing, such as sensing objects, identifying object postures, performing motion detection, and physical sign detection, etc.
- the first device and the second device may have the same or different shapes.
- the first device may It is: home appliances or furniture in home scenarios such as central control screens, smart screens, TVs, speakers, lights, routers, etc.
- the form of the first device is not specifically limited.
- the forms of the first device and the second device can change as the application scenario changes.
- the first device in a smart factory scenario, can be: a robotic arm, a robot, etc.
- FIG. 2A is a schematic diagram of a system architecture provided by an embodiment of the present application.
- the system architecture includes: a central control screen, an access point (AP), a first device, and a second device.
- Figure 2A takes the access point as a router as an example for illustration.
- the central control panel, the first device, and the second device can access the AP to access the network. It should be understood that in FIG. 2A , the first device and the second device are both lamps.
- the central control screen can be connected to the AP wired or wirelessly.
- the central control screen when the central control screen is connected to the AP by wire, the central control screen can first be connected to the smart host, and the smart host is connected to the AP through a network cable to realize the connection between the central control screen and the AP.
- Intelligent host used to transmit interactive data between the central control screen and AP.
- Figure 2A takes the wireless connection between the central control screen and the AP as an example for illustration.
- the central control screen can provide an interface to facilitate the user to control the first device and the second device. For example, if the first device and the second device are both lights, the user can turn on or off the lights by operating the central control screen.
- the interface of the central control screen may display a control to turn on the light.
- the central control screen may be triggered to send an instruction to turn on the light to the AP, and the AP responds to the instruction to turn on the light. , you can control the corresponding light to turn on.
- the embodiments of this application will not elaborate on the functions and specific implementation principles of the central control screen.
- the central control screen is also used to provide an interface for deploying the first device and the second device.
- the central control screen is also used to provide an interface for deploying the first device and the second device.
- the central control screen can also be replaced by other devices carrying a display screen, such as a mobile phone, a laptop, etc.
- mobile phones, laptops and other devices can also be connected to the AP, and users can control the first device and the second device on the mobile phones, laptops and other devices to implement the deployment of the first device and the second device.
- FIG. 2B is a schematic diagram of another system architecture provided by an embodiment of the present application.
- the system architecture includes: a first device and a second device.
- a third device is also shown in Figure 2B.
- the third device is also a UWB device.
- the third device is a smart screen as an example for explanation.
- the first device, the second device, and the third device can communicate with each other, and any one of the first device, the second device, and the third device can serve as a device in the system architecture.
- Main device For example, when the third device serves as the master device in the system architecture, an interface for deploying the first device, the second device, and the third device may be displayed. For details, refer to the relevant description in FIG. 5 .
- the third device when the third device is a TV, a smart screen, or other device with a display screen, the third device can be used to display an interface for deploying the first device, the second device, and the third device, that is, the user can Three devices can deploy the first device, the second device, and the third device.
- system architecture of Figure 2A is taken as an example to illustrate the networking of the first device and the second device, and the deployment process of the first device and the second device.
- the central control screen can be called controlling device.
- system architecture shown in Figure 2B can also perform the methods provided in Figures 3A, 3B, 7, 9, and 11.
- Figure 3A is a flow chart of an embodiment of the communication method provided by the embodiment of the present application.
- the communication method provided by the embodiment of the present application may include:
- the first device accesses the AP.
- the user can operate the first device, such as searching the network where the AP is located on the first device, and entering the password of the network to access the AP.
- the user can also control the device to connect the first device to the AP.
- the embodiment of the present application does not limit the way in which the first device accesses the AP.
- Figure 4 takes the first device as a speaker as an example to illustrate the process of the user connecting the first device to the AP by controlling the device.
- the add device control 41 may be displayed on the control device, and the user's operation of the add device control 41 may trigger the control device to scan devices around the control device, as shown in b in FIG. 4 .
- the control device may display the scanned first device.
- the control device may display the name of the first device, such as “speaker”, and the connection control 42 .
- the user operates the connection control 42, and the control device can display an interface for inputting the network password.
- the user inputs the network password, and the first device can be connected to the AP.
- Figure 4 does not show the specific process of the user inputting the network password.
- S302 The second device accesses the AP.
- the first device and the second device can communicate, that is, the first device and the second device are successfully networked, and the first device and the second device can communicate with each other.
- the first device and the second device can communicate with each other.
- the relevant descriptions in the 802.15.4z protocol please refer to the relevant descriptions in the 802.15.4z protocol.
- the user can first deploy the first device and the second device at the initial location. For example, deploy the first device at the first initial location and the second device at the second location. initial position.
- the target area is the area where the first device and the second device are to be deployed.
- the target area may be the user's home. The home includes multiple rooms, and the user can deploy the first device in room 1 and the second device in room 2, or the user can also deploy the first device and the second device in one room.
- the first initial position can be located in the corner of the room at a preset distance from the ground, or the first initial position can be located on the ceiling of the room.
- This application does not limit the deployment location of the first device.
- the first initial position can be located in a corner of the room at a preset distance from the ground, so that when the antenna field of view of the first device reaches 90°, the radar pulse can be fully covered This room allows the embodiment of the present application to be applied to different types of radar equipment.
- the first device and the second device may also be connected via wires to complete the networking.
- the first device and the second device can also be wired to the central control screen and the AP.
- Networking of the first device and the second device can be regarded as a prerequisite for deploying the first device and the second device. It should be understood that when the first device and the second device are networked, the first device and the second device may be deployed at least once.
- control device In response to the deployment instruction, the control device displays a spatial layout diagram of the target area.
- the target area is an area where the first device and the second device are to be deployed.
- the target area may be the user's home.
- the spatial layout diagram of the target area may be a two-dimensional spatial layout diagram or a three-dimensional spatial layout diagram.
- the embodiment of the present application does not limit the type of spatial layout diagram. Taking the target area as a home as an example, the spatial layout diagram of the target area includes: the layout of the rooms in the target area, and the size of each room. For example, the dimensions of a room can be characterized by length, width, and height.
- the user can operate the control device to trigger the deployment of the first device and the second device, so that the control device can display the spatial layout of the target area.
- a radar deployment control 51 is displayed on the central control screen.
- the user operates the radar deployment control 51 to trigger the deployment of the first device and the second device.
- the user's operation of the radar deployment control 51 can be understood as a deployment instruction.
- the spatial layout diagram of the target area is taken as a top view of the target area as an example for explanation.
- the user can also select the device to be deployed on the central control screen. For example, the user can select the first device and the second device. In this way, the central control screen can determine the device to be deployed.
- the deployed devices are the first device and the second device.
- the control device can directly display the spatial layout map of the target area in response to the deployment instruction. For example, if the user has previously input the spatial layout diagram of the target area when deploying speakers in the home on the central control screen, the spatial layout diagram of the target area has been stored in the control device. Correspondingly, the control device responds to the user operation
- the radar deployment control 51 can display the spatial layout of the target area.
- the control device may output a second prompt message in response to the deployment instruction to prompt the user to input the spatial layout diagram of the target area.
- the control device may output a second prompt message in response to the deployment instruction to prompt the user to input the spatial layout diagram of the target area.
- the user may input a picture of the spatial layout diagram of the target area, or edit the spatial layout diagram of the target area on the control device.
- the control device may display an interface for inputting the spatial layout of the target area.
- the control device may display the spatial layout of the target area. It should be understood that the embodiment of the present application illustrates the style of the interface of the control device as an example and does not constitute a display of the interface of the control device, and the process of the user inputting the spatial layout of the target area is not shown in Figure 5 .
- control device displays the first initial position of the first device on the spatial layout map.
- the embodiments of the present application do not limit the interaction method between the user and the control device.
- the user can interact with the control device by operating the interface of the control device, or the user can also interact with the control device through voice.
- the user can select a position in the spatial layout of the target area, and the position is used to deploy the first device.
- the user can click position A on the spatial layout map of the target area, and the position A is used to deploy the first device.
- position A can be the first initial position, and the user is in the space of the target area.
- the operation of clicking position A on the layout diagram can be used as the first operation.
- the embodiments of the present application can also support the user's operations such as zooming in, zooming out, and rotating the spatial layout map, so as to facilitate the user to determine the first initial position on the spatial layout map.
- FIG5 shows a top view of the spatial layout diagram, and therefore does not show the distance between position A and the ground.
- S305 The first device locates the second device and obtains location information of the second device.
- the control device may send a positioning instruction to the first device, where the positioning instruction is used to instruct the first device to start positioning the second device.
- the control device may also send a positioning instruction to the second device, where the positioning instruction is used to instruct the second device to start positioning the first device. That is to say, because the user can select the first device and the second device to be deployed on the control device, the control device can trigger mutual positioning between the devices to be deployed in response to the deployment instruction.
- the user after the user deploys the first device to the first initial position and the second device to the second initial position, the user can actively trigger the first device to locate the second device.
- the first device locates the second device and can obtain the location information of the second device. Based on the positioning principle of UWB, when the first device locates the second device, the distance between the first device and the second device can be obtained, as well as the angle of the second device relative to the first device.
- the coordinates of the first device in the three-dimensional coordinate system may be called first coordinates.
- the first device can determine the coordinates of the second device in the three-dimensional coordinate system based on the distance between the first device and the second device and the angle of the second device relative to the first device.
- the location information of the second device includes: the coordinates of the second device in the three-dimensional coordinate system.
- the coordinates of the second device in the three-dimensional coordinate system may be called second coordinates.
- the three axes of the three-dimensional coordinate system can be predefined.
- the first device can also position the third device and the fourth device to obtain the coordinates of the third device in the three-dimensional coordinate system, and the fourth device Coordinates in a three-dimensional coordinate system. That is to say, the first device can locate other devices to be deployed to obtain the coordinates of each device.
- the second device can also locate the first device and obtain the location information of the first device.
- the location information of the first device can refer to the relevant description of the location information of the second device. That is to say, multiple devices to be deployed can position each other to obtain the coordinates of each device.
- the master device may be determined among the first device and the second device.
- the main device is used to interact with the control device and can also perform other calculations.
- the main device can be a device with strong processing capabilities, such as a TV, a smart screen, etc.
- the user when the user selects the first device and the second device to be deployed on the control device, the user can also select the main device among the first device and the second device.
- the control device may send a notification message to the first device and the second device to notify the first device as the master device.
- the first device and the second device can determine the master device by themselves. For example, the first device can send the capability information of the first device to the second device, and the second device can send the capability information of the second device to the first device.
- the first device can determine that a device with strong processing capabilities is the master device based on the capability information of the first device and the capability information of the second device, and the second device can also determine that a device with strong processing capabilities is the master device based on the capability information of the first device and the capability information of the second device. Capability information is used to characterize the processing capability of a device.
- the capability information may include: the type of processor, storage capacity, operating frequency, or processing capabilities supported by the device (such as whether floating-point operations are supported), etc.
- the capability information includes storage capacity, the device with the largest storage capacity can be used as the master device.
- the master device determined by the first device and the second device is the same.
- the first device and the second device determine the master device, they can notify each other of the determined master device to determine the accurate master device, wherein the master device can notify other devices that it is the master device.
- S306 The first device sends the location information of the second device to the control device.
- the first device when the first device is the master device, the first device may send the location information of the second device to the control device, and the second device may not send the location information of the first device to the control device.
- the master device can obtain the location information of other UWB devices and send the location information of other UWB devices to the control device.
- the first device may carry the identifier of the second device so that the control device can identify the second device.
- the identification of the second device may include but is not limited to: the name of the second device, a user-defined name for the second device, etc.
- the first device can obtain the identity of the second device.
- the first device can send a data frame to the second device to locate the second device, and the second device can The message feeding back the data frame carries the identifier of the second device.
- the first device when it sends the location information of the second device to the control device, it may also send information of the three-dimensional coordinate system.
- information so that the control device can determine the position of the second device on the spatial layout map based on the three-dimensional coordinate system, and the position of the second device can be the second initial position.
- the information of the three-dimensional coordinate system may include: information of three axes in the three-dimensional coordinate system.
- the first device may not send the three-dimensional coordinate system information to the control device.
- the first device may send the location information of the second device to the control device, and the second device may send the location information of the first device to the control device.
- the second device may send the location information of the first device to the control device.
- S305-S306 may be viewed as a process of controlling the device to obtain the location information of the second device.
- the control device obtains the field of view angle of the first device and the field of view angle of the second device.
- the first device when the master device is not determined, when the first device sends the location information of the second device to the control device, the first device may send the field of view of the first device to the control device, and the second device may send the location information of the second device to the control device.
- the control device When the control device sends the location information of the first device, it may send the field of view of the second device to the control device.
- each UWB device can send its own position information and field of view to the control.
- the first device when the first device is the master device, when positioning the second device, the first device can request the second device for the field of view of the second device. In response to the request, the second device can Send the field of view of the second device to the first device. In this way, the first device can obtain the field of view of the second device.
- the first device when the first device sends the location information of the second device to the control device, it may send the field of view angle of the first device and the field of view angle of the second device to the control device.
- the master device can obtain the position information and field of view angles of other UWB devices, and send the field of view angles of the master device and the position information and field of view angles of other UWB devices to the control device.
- S303 and S304 are optional steps.
- S307 may be replaced by S307A: in response to the deployment instruction, the control device may not display the spatial layout map of the target area, but The method is to obtain the first initial position of the first device, the field of view angle of the first device, and the position information and field of view angle of the second device.
- the control device may perform S308-S311. It should be noted that S311 is not shown in Figure 3B.
- the first initial position may be a preset position, such as the preset position being a corner of the living room, and the control device may predetermine the first initial position.
- the second device can also locate the first device and obtain the location information of the first device, where the location information of the first device includes the first initial location. In this way, whether the first device serves as the master device and sends the location information of the first device to the control device, or the second device sends the location information of the first device to the control device, the control device can obtain the first initial location.
- the steps shown in Figure 3B can also be performed by the first device.
- the control device displays the first initial position and the first radar coverage of the first device in the spatial layout diagram according to the first initial position of the first device and the first device's field of view, and according to the second device's first
- the second initial position and the field of view angle of the second device are shown in the spatial layout diagram.
- the second initial position of the second device and the second radar coverage range are displayed.
- the control device may determine the radar coverage of the first device in the target area, that is, the first radar coverage.
- the main device can determine the height of the room according to the height of the ceiling (that is, the height of the room) and the field of view of the first device. , determine the first radar coverage range, which is the range in which the radar pulse of the first device covers the ground of the room.
- a in FIG. 6A shows a side view of the spatial layout diagram, which includes three UWB devices, and the three UWB devices are all lights.
- a in FIG. 6A shows the side-view radar coverage of three lamps
- b in FIG. 6A shows a top view of the spatial layout diagram, which includes the top-view radar coverage of the three lamps. It should be noted that b in Figure 6A shows the range of the radar pulses emitted by the three lamps covering the ground of the room respectively. It should be understood that the radar coverage is represented by shading in Figure 6A.
- the first device when the first device is deployed in the corner of the room, as long as the field of view angle of the first device exceeds 90°, the first device can completely cover the corner, so the first radar coverage of the first device is equal to It is related to the distance that the radar pulses emitted by the first device can reach, that is, the first radar coverage range is: a range of a preset distance from the first device, and the preset distance is the distance that the radar pulses emitted by the first device can reach.
- control device can determine the radar coverage of the second device in the target area, that is, the second radar coverage, according to the second initial position of the second device and the field of view of the second device, and can refer to the relevant description of the first device.
- the control device can display the first initial position and the first radar coverage range of the first device in the spatial layout diagram, and display the second initial position and the second radar coverage range of the second device.
- the central control screen can display the first initial position as position A, the second initial position as position B, the first radar coverage range as area 1, and the second radar coverage range as area 2.
- S309 The control device detects whether the position of the second device needs to be adjusted based on the first radar coverage and the second radar coverage. If yes, execute S310; if not, execute S311.
- the control device may determine whether the first radar coverage and the second radar coverage overlap based on the first radar coverage and the second radar coverage. For example, when the first device is deployed on the ceiling of the room, as shown in b in Figure 6A , the ranges of radar pulses emitted by lamp 1 and lamp 2 that cover the floor of the room overlap, and the control device can determine the first radar coverage The range overlaps with the second radar coverage.
- first radar coverage range and the second radar coverage range intersect, it means that there is no radar coverage blind area in the deployment of the first device and the second device. This can ensure that the deployed UWB device can accurately sense the target area. objects in .
- first radar coverage and the second radar coverage do not intersect, it indicates that there is a radar coverage blind spot in the deployment of the first device and the second device.
- the control device determines that there is no need to adjust the position of the second device.
- the control device determines that there is no need to adjust the position of the second device. Determine where the secondary device needs to be adjusted.
- the control device can also detect whether there is an area in the target area that is not covered by the radar based on the radar coverage area in the target area. Wherein, when there is an area not covered by the radar in the target area, the control device determines that the position of the second device needs to be adjusted. When there is no area in the target area that is not covered by the radar, the control device determines that there is no need to adjust the position of the second device.
- S309 may also be replaced by: the control device detects whether it is necessary to adjust the position of the first device and/or the position of the second device according to the first radar coverage range and the second radar coverage range.
- the control device determines that there is no need to adjust the position of the second device and/or the position of the first device.
- the control device determines that it is necessary to adjust the position of the second device and/or the position of the first device.
- the control device determines that it is necessary to adjust the position of the second device and/or the position of the first device.
- the control device determines that there is no need to adjust the position of the second device and/or the position of the first device.
- the control device outputs prompt information.
- the prompt information is used to instruct the user to adjust the position of the second device.
- the control device can determine the adjusted third device based on the position of the first device, the first radar coverage, the position of the second device, and the second radar coverage.
- the position of the second device that is, the second position.
- the prompt information output by the control device in S310 may be called first prompt information.
- the control device can move the position of the second device toward the direction of the first device, move a preset distance, and calculate the second position after the moved position. a new radar coverage of the device, and detecting whether there is an intersection between the first radar coverage and the new radar coverage of the second device.
- the control device may use the moved position of the second device as the second position of the second device.
- the control device can continue to move the position of the second device toward the direction of the first device, move the preset distance, and calculate the third position after the move.
- the new radar coverage of the second device is iterated in this way until there is an intersection between the first radar coverage and the new radar coverage of the second device, and the second position of the second device is determined.
- the control device can determine the adjusted position of the second device based on the position of the first device, the first radar coverage, the position of the second device, the second radar coverage, and the radar coverage blind area in the target area, That is the second position. For example, the control device may gradually move the position of the second device toward the direction of the radar coverage blind area in the target area, so as to ensure that the first radar coverage and the second radar coverage overlap, so that the second device New radar coverage covers radar coverage blind spots.
- Part 1 the control device may also determine the second position of the second device.
- the control device can determine the second position of the second device, and the control device can output prompt information, and the prompt information is used to instruct the user to adjust the second initial position of the second device. to the second position.
- S310 may be replaced by: the control device outputs prompt information, and the prompt information is used to instruct the user to adjust the first setting. a first initial position of the device to a first position, and/or a second initial position of the second device to a second position.
- the prompt information is used to instruct the user to adjust the first initial position of the first device to the first position, and the second initial position of the second device to the second position.
- the control device can move the position of the second device toward the direction of the first device by a preset distance, and move the position of the first device toward the direction of the second device by a preset distance, and Calculating a new radar coverage of the second device after moving the position and a new radar coverage of the first device after moving the position to detect the new radar coverage of the first device and the new radar coverage of the second device Whether the ranges overlap.
- the control device may use the moved position of the second device as the second position of the second device, and move the first device The last position serves as the first position of the first device.
- the control device may continue to move the position of the second device toward the direction of the first device by a preset distance, and move the first device The position of the device moves toward the direction of the second device by a preset distance, and the new radar coverage of the second device after the moved position and the new radar coverage of the first device after the moved position are calculated, and so on until the first The new radar coverage of the device intersects with the new radar coverage to determine a first location of the first device and a second location of the second device.
- control device can also move the position of the first device and the position of the second device toward the direction of the radar coverage blind area in the target area, so as to ensure that the coverage of the first radar and the coverage of the second radar intersect.
- Part 2 To enable the new radar coverage of the second device to cover the blind area, please refer to the relevant description in "Part 2".
- control device can determine the first position of the first device and the second position of the second device, and the control device can output prompt information, and the prompt information is used to instruct the user to adjust the first initial position of the first device to the first position, and adjusting the second initial position of the second device to the second position.
- control device can also directly output prompt information to prompt the user to move the second device in the direction toward the first device, or the control device can output prompt information to prompt the user to move the first device in the direction toward the second device. direction, and move the second device in a direction toward the first device.
- the first device can locate the second device in real time and move the second device The position is reported to the control device, and the control device can determine the new position of the second device and the new radar coverage of the second device in real time.
- the control device can display the new location of the second device and the new radar coverage of the second device on the spatial layout map in real time.
- the user may view a spatial layout map showing a new location of the second device and a new radar coverage of the second device, where the first radar coverage and the new radar coverage of the second device exist When intersecting, stop moving the second device.
- the user can view the new position of the second device and the new radar coverage of the second device on the spatial layout map, and stop moving the second device when there is no radar coverage blind spot in the target area.
- control device can perform real-time detection, and when there is an intersection between the first radar coverage range and the new radar coverage range of the second device, output prompt information to prompt the user to stop moving the second device. Or, when the control device detects that there is no radar coverage blind spot in the target area, it outputs prompt information to prompt the user to stop moving the second device.
- the user can also move the first device and the second device simultaneously to adjust the radar coverage of the target area.
- FIG6B when there are two UWB devices, lamp 1 and lamp 3, in the room, and there is a radar coverage blind spot between the radar coverage ranges of lamp 1 and lamp 3, the control device can output prompt information 61, prompting the user to move lamp 1 in the direction toward lamp 3, and to move lamp 3 in the direction toward lamp 1.
- FIG6B is illustrated by taking a top view as an example.
- Figure 3A illustrates a solution in which the user deploys the first device and the second device through the control device.
- the user can also deploy the first device and the second device through the first device or the second device.
- the first device can perform the operations of controlling the device in S303-S305 and S307-S310.
- UWB devices are used, and UWB devices can communicate with each other. Furthermore, after the UWB devices are connected to the AP, they can form their own network for communication. And UWB devices can position each other to determine the location of the UWB device. In addition, the control device can also determine the radar coverage of the UWB device based on the location and field of view of the UWB device. Control devices can be based on UWB device location and radar coverage, prompting users to adjust the location of UWB devices in a timely manner. Users can deploy UWB devices by themselves, which is simple to operate and efficient.
- the first device and the second device can detect the addition, removal, and location change of the device by themselves, and then adjust the deployment of the UWB device.
- S701-S702 may also be performed.
- the communication method provided by the embodiment of this application may include:
- S701 The first device performs positioning every preset time period to detect whether deployment adjustment is required. If yes, execute S702; if not, return to execute S701.
- the first device can perform positioning every preset time period to detect whether deployment adjustments are needed. Detecting whether deployment adjustment is needed can be understood as: detecting whether the positions of the first device and the second device need to be adjusted.
- the first device performs positioning every preset time period, and can detect other UWB devices that are on the same network as the first device, and then can detect whether a new UWB device is added in the target area, or The UWB device is removed, or the location of the deployed UWB device (such as the first device and the second device) changes, etc.
- the second device can also perform positioning every preset time period to detect whether a UWB device is added or removed in the target area, or the location of the deployed UWB device changes.
- the preset duration in S701 may be called the first preset duration.
- the first device when the first device detects that a new UWB device is added in the target area, the first device can obtain the location of the new UWB device, and the first device can send the location of the new UWB device to the control device.
- the position, and the control device can obtain the field of view of the newly added UWB device, please refer to the relevant descriptions in S305-S307.
- the control device can determine the radar coverage of the new UWB device based on the location of the new UWB device and the field of view of the new UWB device.
- the control device can detect whether the target needs to be adjusted based on the location of the first device, the first radar coverage, the location of the second device, the second radar coverage, the location of the new UWB device, and the radar coverage of the new UWB device.
- the control device can output prompt information to prompt for adjusting the position of the UWB device.
- the device deployment is completed.
- adjusting the position of the UWB device can be understood as: adjusting the position of at least one device among "the first device, the second device, and the new UWB device" in the target area.
- the first device when the first device detects that a UWB device has been removed, the first device does not locate the second device. In this way, the first device can send a message to the control device that the second device has not been located, so that the control device can output prompt information to remind the user that the second device has not been located.
- the control device can detect whether it is necessary based on the location of the first device and the first radar coverage, as well as the location and radar coverage of the other UWB devices. To adjust the position of the UWB device, please refer to the relevant descriptions in S309-S311 for details.
- the first device when the first device detects that the location of the second device changes, the first device can send the new location of the second device to the control device.
- the control device can detect whether the position of the device needs to be adjusted based on the position of the first device and the first radar coverage, as well as the new position and new radar coverage of the second device. For details, please refer to the relevant descriptions in S309-S311.
- the second device when the location of the first device changes, can detect that the location of the first device changes, and the second device can send the new location of the first device to the control device.
- the control device can detect whether the position of the device needs to be adjusted based on the position of the second device and the second radar coverage, as well as the new position and new radar coverage of the first device. For details, please refer to the relevant descriptions in S309-S311.
- the first device when there is a master device in the first device and the second device, for example, when the master device is the first device, the first device can perform positioning every preset time period to detect whether deployment adjustment is required.
- the second device does not need to perform positioning every preset time period, which can reduce the power consumption of the second device.
- S702 output prompt information, which is used to prompt the user to make deployment adjustments.
- the control device when the control device determines that the position of the UWB device needs to be adjusted, the control device can output prompt information.
- the prompt information can include the new position of the device to be adjusted.
- the new position is the adjusted position of the device to be adjusted. s position.
- the control device may also output prompt information to indicate the moving direction of the device to be adjusted. Please refer to the relevant description in S310.
- the device to be adjusted may be at least one device among "the first device, the second device, and the newly added UWB device".
- S701 The prompt information in S702 may be called third prompt information.
- the target area includes three UWB devices, namely lamp 1, lamp 2, and lamp 3.
- the control device can recalculate the radar coverage of light 1 and light 3 and determine that there is a radar coverage blind spot in the target area.
- the control device may output prompt information to prompt the user to move the lamp 1 toward the direction of the lamp 3 and to move the lamp 3 toward the direction of the lamp 1 .
- the radar coverage ranges of the moved lamp 1 and lamp 3 overlap, and there is no radar coverage blind area in the target area. It should be understood that a in Figure 8 shows a side view, and b in Figure 8 shows a top view.
- the UWB device can be repositioned every preset time period to timely detect the location of the UWB device in the target area. There are locations of new UWB devices, removed devices, and deployed UWB devices in the target area. When changes occur, the control device can promptly guide the user to adjust the deployment of the device to ensure the accuracy of radar perception.
- radar sensing including "object detection and motion detection” is used as an example to illustrate the process of collaborative work between the first device and the second device for radar sensing.
- object detection can be understood as: the position of the object has not changed, it is necessary to sense whether there is an object in the target area, and to detect the position or physical signs of the object.
- Motion detection can be understood as: the position of the object changes, and the movement distance and direction of movement of the object are detected.
- both the first device and the second device may be in working status.
- the state of the first device may include: a working state and a listening state.
- the first device can turn off the transmitter and keep the receiver on, such that the first device can receive a wake-up indication from the second device and not transmit radar pulses.
- the first device can turn on the transceiver and keep the receiver on to interact with the second device and the control device, and can emit radar pulses for radar sensing.
- the state of the first device may also include other states such as the closed state.
- the embodiment of the present application relates to the "working state and listening state" of the first device.
- Scenario 1 Object detection.
- the communication method provided by the embodiment of the present application may include:
- a first device transmits a radar pulse to sense an object in a target area.
- the first device may emit radar pulses to sense objects in the target area.
- the principle of the first device sensing the object in the target area will not be described in detail.
- the first device senses the breathing frequency of the object as an example for explanation.
- the first device When the first device senses the object, it indicates that the object is within the coverage of the first radar. In one example, the first device can sense whether the object is moving, such as the first device can sense the position of the object to detect whether the object is moving. When the first device senses that the position of the object has changed, it can be determined that the object is moving, and when the first device senses that the position of the object has not changed, it can be determined that the object is not moving.
- the second device emits radar pulses to sense objects in the target area.
- S902 can refer to the relevant description in S901. There is no order distinction between S902 and S901, and both can be executed at the same time.
- both the first device and the second device can sense the object, it indicates that the object is within the intersection of the first radar coverage range and the second radar coverage range.
- the first device and the second device may determine the device that continues to sense the object. For example, the first device can collect the first intensity of the reflected radar signal, the second device can collect the second intensity of the reflected radar signal, the first device can send the first intensity to the second device, and the second device can send the first intensity to the second device.
- the first device sends the second intensity, and both the first device and the second device can use the device with the highest intensity among the first intensity and the second intensity as the device that continues to sense the object. For example, if the first device is determined to be the device that continues to sense the object, the first device may perform S903.
- the first device may send the first strength to the control device
- the second device may send the second strength to the control device
- the master device of the first device and the second device may send the first strength and the second strength to the control device
- the control device may use the device with the highest strength of the first strength and the second strength as the device that continues to perceive the object.
- the control device may send an instruction to continue to perceive the object to the first device, and the first device may execute S903.
- the control device may send an instruction to continue to perceive the object to the first device, and send a listening instruction to the second device.
- the first device can accurately sense the object without the need for other UWB devices to sense it.
- the first device may send a listening instruction to the second device.
- “second device” is used to represent other UWB devices that are networked with the first device.
- the listening instruction is used to instruct the second device to enter the listening state from the working state, so as to reduce the power consumption of the second device.
- the first device may also send a listening instruction to the second device through the control device.
- the first device may send a listening instruction to the control device, where the listening instruction includes the identification of the device to be listened to.
- the control device may send a listening instruction to the device to be listened to (such as a second device) according to the listening instruction.
- S904 The second device responds to the listening instruction and enters the listening state from the working state.
- the second device may send a listening response to the first device in response to the listening indication, so as to indicate that the second device enters a listening state.
- the second device may respond. In response to the listening instruction, a listening response is sent to the first device, and the listening state is entered from the working state to reduce power consumption of the second device.
- the second device receives the listening instruction from the first device, if there are objects within the second radar coverage of the second device, that is, the second device is sensing objects within the second radar coverage, the second device can Continue to work without sending a listening response to the first device.
- the second device does not sense the object when the second device receives the listening instruction as an example for description.
- the first device continues to sense the object, and when the object moves into the coverage range of the second radar, the first device sends a wake-up instruction to the second device.
- the first device may periodically emit radar pulses to continue sensing objects. According to the description in S901, the first device can also sense whether the object moves. Wherein, when the first device senses that the object moves toward the direction of the second device and the object leaves the first radar coverage range, the first device may send a wake-up instruction to the second device.
- the wake-up indication is used to wake up the second device, so that the second device enters the working state from the listening state, so that the second device can continue to sense the object.
- the first device in order to facilitate the second device to sense the object in time, the first device can detect the object moving toward the second device and the object is a preset distance away from the boundary of the first radar coverage range. Send wake-up instructions.
- the wake-up instruction can also be sent to the second device through the control device.
- the first device can sense the object, and can send the location of the object to the control device in real time.
- the control device can send the location of the object to the second device when the object enters the intersection area of the first radar coverage and the second radar coverage.
- Wake-up instructions can also send a wake-up instruction to the second device when the object is a preset distance from the boundary of the second radar coverage range.
- the second device responds to the wake-up instruction, enters the working state from the listening state, and sends a wake-up response to the first device.
- the first device sends a synchronization request to the second device.
- the synchronization request is used to request clock synchronization between the second device and the first device.
- the second device In response to the synchronization request, the second device sends a synchronization response to the first device, where the synchronization response includes the clock of the second device.
- the first device sends the synchronization measurement result to the second device.
- the first device may detect whether the clock of the first device is consistent with the clock of the second device, and then determine whether to adjust the clock of the first device.
- the first device determines that there is no need to adjust the clock of the first device.
- the clock of the first device and the clock of the second device are inconsistent, for example, the clock of the first device is slower or faster than the clock of the second device, the first device can adjust the clock of the first device to be consistent with the clock of the second device.
- the synchronization measurement results may include: an adjusted clock of the first device.
- the second device responds to the synchronization measurement result and sends a synchronization confirmation message to the first device when the clock of the first device and the clock of the second device are consistent.
- the second device can detect whether the clock of the first device is consistent with its own clock. When the clock of the first device is consistent with the clock of the second device, the second device may send a synchronization confirmation message to the first device to indicate that clock synchronization is completed. When the clock of the first device and the clock of the second device are inconsistent, S908-S909 may be continued to continue clock synchronization until the clock of the first device and the clock of the second device are consistent.
- the first device responds to the synchronization confirmation message and sends the configuration parameters of the first device to the second device.
- Configuration parameters of the first device may include, but are not limited to: a channel for transmitting radar pulses, a bandwidth, and a sampling rate.
- the second device modifies the configuration parameters of the second device to be the same as the configuration parameters of the first device.
- the second device can modify the configuration parameters of the second device to be the same as the configuration parameters of the first device according to the configuration parameters of the first device.
- the purpose is that the second device can modify the configuration parameters of the second device according to the same configuration parameters as the first device. Configure parameters and continue to sense objects to ensure the accuracy of perception.
- the second device senses the breathing of the subject according to the same configuration parameters as the first device. For example, the first device collects five data frames and performs a calculation of the breathing frequency, then the first device calculates the breathing frequency. The second device can continue to sense the object's breathing frequency in the same way, ensuring the accuracy of sensing the breathing frequency. It should be understood that it is an example that the first device collects five data frames and performs a respiratory frequency once, and the embodiment of the present application does not limit how the first device calculates the respiratory frequency.
- the first device and the second device can synchronize clocks and adjust configuration parameters at the same time.
- the synchronization request in S907 may also carry the configuration parameters of the first device, so that the second device can keep the same configuration parameters as the first device to reduce signaling overhead.
- the embodiment of the present application does not limit the first device.
- the signaling interaction method between the device and the second device does not limit the first device.
- the first device sends the data of the sensed object to the second device.
- the first device may calculate the breathing frequency every five data frames collected.
- the first device may send the calculated respiratory frequency to the second device, and when the data frames collected by the first device are less than 5 data frames, the first device may send the collected data frames to the second device.
- S914 The second device continues to sense the object based on the data of the object from the first device.
- the purpose of the first device sending the data of the sensed object to the second device is to ensure the continuity of sensing.
- the first device when the first device has collected 4 data frames, and the 4 data frames are not enough to calculate one respiratory frequency, the first device can send the 4 collected data frames to the second device, so that the second device can then Collecting 1 data frame can calculate a respiratory rate without waiting for 5 more data frames to calculate a respiratory rate. In this way, the second device can quickly perceive the object, ensuring continuity of perception and reducing response delay.
- the second device after the second device enters the working state from the listening state, if the second device can sense the object within a preset time period, the second device can send a listening instruction to the first device.
- the listening instruction is used to instruct the first device to enter the listening state from the working state.
- the second device does not send a listening instruction to the first device as soon as it enters the working state.
- the purpose is to avoid the object moving back and forth, causing ping-pong switching of the UWB device state.
- the preset duration in S915 may be called the second preset duration.
- the second device sends a listening instruction to the first device as soon as it enters the working state, and the first device just enters the listening state, the second device will sense that the object moves to the first radar coverage area. , the first device needs to be awakened, and the first device will switch to the working state, which causes the UWB device to continuously switch between the listening state and the working state, causing ping-pong switching and consuming the power consumption of the UWB device.
- S916 The first device sends a listening response to the second device.
- the listening response is used to indicate that the first device enters the listening state from the working state.
- the first device sends a listening response to the second device, please refer to the relevant description in S904.
- the first device and the second device are deployed, referring to a in Figure 10, when an object (such as a user) is within the coverage of the first radar, the first device can sense the object, and the first device can instruct the second device to enter the detection range. Listen to status. Referring to b in Figure 10, when the object moves to the intersection of the first radar coverage area and the second radar coverage area, or when the object is about to leave the first radar coverage area, the first device can wake up the second device, and the second device can Continue to perceive the object.
- an object such as a user
- the object in the object detection scenario, can be sensed by the first device within the radar coverage area, and other UWB devices enter the listening state, which can reduce the power consumption of the UWB device.
- the corresponding second device can be awakened to continue sensing, and the first device and the second device can synchronize their clocks to ensure the accuracy of sensing the object, and the first device can send messages to the second device Synchronizing the configuration parameters of the first device and the collected object data can ensure the continuity of sensing objects.
- Scenario 2 Motion detection.
- the target device includes a first device, a second device, and a third device.
- the communication method provided by the embodiment of the present application may include:
- a first device transmits a radar pulse to sense an object in a target area.
- the second device emits radar pulses to sense objects in the target area.
- the third device can also emit radar pulses to sense objects in the target area.
- S1101-S1102 may refer to the description in S901-S902.
- the UWB device when the object moves, can determine that the object requires motion detection, that is, at least two UWB devices require collaborative sensing. In this case, it is necessary to select a target device among multiple UWB devices for cooperative sensing.
- the target device includes two UWB devices as an example for description.
- the first device is the master device
- the second device when the second device senses the movement of the object, it can send the second strength of the second device to the first device.
- the master device can receive the strength of the radar signal collected and reflected by itself and sent by other UWB devices.
- the second device represents other UWB devices.
- the third device when the first device is the master device, when the third device senses the motion of the object, it sends the third intensity of the third device to the first device.
- the third intensity may refer to the related description of the second intensity.
- the first device determines candidate devices based on the first strength, the second strength, and the third strength of the first device.
- the first device can collect the intensity of the reflected radar signal (first intensity) according to itself, and the intensity of the reflected radar signal collected by other UWB devices (such as the second intensity of the second device, and the third intensity of the third device), Use N devices greater than the intensity threshold as candidate devices.
- N is an integer greater than or equal to 2.
- the control device may perform S1104-S1106 and S1113-S1114 actions of the first device.
- the first device may send a first intensity to the control device
- the second device may send a second intensity to the control device
- the third device may send a third intensity to the control device
- the control device may send a third intensity to the control device according to the first intensity and the third intensity.
- N devices greater than the intensity threshold are used as candidate devices.
- S1105 The first device connects the positions of two candidate devices to obtain at least one connection.
- the first device is the master device. According to the relevant description in Figure 3A, the first device can obtain the location of each UWB device. The first device can connect the positions of two candidate devices to obtain at least one connection.
- candidate devices include lamp 1, lamp 2 and lamp 4.
- lamp 1 can connect lamp 1, lamp 2 and lamp 4 to obtain lamp 1 and lamp 4.
- the first device determines the target device for motion detection based on the movement direction of the object and the angle between each connection line.
- n1 and n2 will be canceled out due to their irrelevance. Therefore, using the detection results of lamp 1 and lamp 2 for data fusion can obtain a higher signal-to-noise ratio, that is, a more accurate user's movement distance can be obtained.
- the first device can use the two UWB devices with the smallest angles as the target devices for motion detection based on the object's movement direction and the angle of each connection. This can avoid noise on motion detection. influence to obtain accurate motion detection results.
- the first device can connect lamp 1 and lamp 2 2 as the target device for motion detection.
- the first device can continuously detect whether the angle between the object's movement direction and the target device exceeds the angle threshold. If the angle between the object's movement direction and the line connecting the target device exceeds the angle threshold, which indicates that the angle between the object's movement direction and the line connecting the target device is large, noise will affect the perception results, and the first device can re-execute S1104 and S1106 to obtain a new target device for motion detection. If the angle between the object's motion direction and the line connecting the target device does not exceed the angle threshold, there is no need to change the target device.
- the target device includes a first device and a second device
- the first device sends a synchronization request to the second device.
- the synchronization request is used to request clock synchronization between the second device and the first device.
- the first device may send listening instructions to other UWB devices to reduce power consumption of other UWB devices.
- the first device can wake up the new target device to continue motion detection.
- the third device when the target device includes a first device and a second device, the third device can enter the listening state from the working state to reduce the power consumption of the third device. Please refer to the relevant description in Scenario 1.
- the second device responds to the synchronization request and sends a synchronization response to the first device, where the synchronization response includes the clock of the second device.
- the first device sends the synchronization measurement result to the second device.
- the second device responds to the synchronization measurement result and sends a synchronization confirmation message to the first device when the clock of the first device and the clock of the second device are consistent.
- the first device responds to the synchronization confirmation message and sends the configuration parameters of the first device to the second device.
- the second device modifies the configuration parameters of the second device to be the same as the configuration parameters of the first device.
- S1107-S1112 may refer to the description in S907-S912.
- the second device sends the second motion detection result of the object obtained by the second device to the first device.
- a main device such as a first device, may fuse the motion detection result of the object obtained by the target device to obtain the motion detection result of the object.
- the second device may send the second motion detection result to the first device.
- the second motion detection result may include: a second motion distance of the object relative to the second device.
- the control device can fuse the motion detection results of the object obtained by the target device to obtain the motion detection result of the object.
- the first device may send the first motion detection result to the control device
- the second device may send the first motion detection result to the control device.
- the device sends the second motion detection result.
- the first motion detection result may include: a first motion distance of the object relative to the first device.
- the first device fuses the motion detection result of the object obtained by the target device as an example for explanation.
- the first device obtains the motion detection result of the object based on the second motion detection result and the first motion detection result of the object obtained by the first device.
- the first device can perform operations such as summation and difference on the first motion detection result and the second motion detection result to obtain the motion detection result of the object. For example, when the connection line of the target device is parallel to the movement direction of the object, the first device can add the first movement distance and the second movement distance to obtain the movement distance of the object.
- the first device and the second device are both lights as an example.
- the frequency of radar pulses emitted by the first device and the second device is high and the period is short. In a short period of time, the moving distance of the object is small.
- the angle ⁇ between the connection line of the target device and the connection line between the first device and the object, the target The angle ⁇ between the connection line of the device and the connection line between the second device and the object can be regarded as unchanged.
- the first device can be based on the angle ⁇ between the connection between the target device and the connection between the first device and the object, the angle ⁇ between the connection between the target device and the connection between the second device and the object, and the first movement distance L1 , and the second movement distance L2, the movement distance of the object is calculated.
- the projection of the object's movement distance on the connection line of the target device can be expressed as "L1 ⁇ cos ⁇ -L2 ⁇ cos ⁇ ".
- the first device can calculate the first movement distance according to the projection of the object's movement distance on the connection line of the target device.
- L1 the second movement distance L2, and the included angle ⁇ and the included angle ⁇ are used to obtain the movement distance of the object.
- This process will not be described in detail in the embodiment of this application.
- the embodiment of the present application takes running detection as the movement distance of the detection object as an example for explanation.
- the communication method in the embodiment of the present application can also be applied to other running detection scenarios, and the embodiment of the present application does not limit this.
- the embodiment of this application does not elaborate on the process of fusing motion detection results of multiple UWB devices. It should be understood that L1 and L2 are not shown in Figure 12C.
- the intensity of the reflected radar signal collected by the UWB device in the target area can be combined to determine the candidate device, and among the candidate devices, according to the connection between two UWB devices and the operation of the object Direction, select the target device with the smallest angle to the object's movement direction, and use the target device for motion detection to avoid noise affecting the perception accuracy, so that the accuracy of motion detection is high.
- the motion detection results sensed by the target device can be fused to obtain accurate motion detection results of the object.
- the embodiment of the present application further provides an electronic device, which may be the first device, the second device or the control device described in the above embodiment.
- the electronic device may include: a processor 1301 (such as a CPU) and a memory 1302 .
- the memory 1302 may include high-speed random-access memory (RAM) and may also include non-volatile memory (NVM), such as at least one disk memory.
- RAM random-access memory
- NVM non-volatile memory
- Various instructions may be stored in the memory 1302 , to complete various processing functions and implement the method steps of the present application.
- the electronic device involved in this application may also include: a power supply 1303, a communication bus 1304, and a communication port 1305.
- the above-mentioned communication port 1305 is used to realize connection and communication between the electronic device and other peripheral devices.
- the memory 1302 is used to store computer executable program code, and the program code includes instructions; when the processor 1301 executes the instructions, the instructions cause the processor 1301 of the electronic device to perform the actions in the above method embodiment, which implements The principles and technical effects are similar and will not be repeated here.
- the electronic device may further include a display screen 1306 .
- the display screen 1306 is used to display the interface of the electronic device to implement interaction with the user.
- the embodiment of the present application further provides a communication system, which may include: a first device and a second device.
- the communication system may also include a control device.
- modules or components described in the above embodiments may be one or more integrated circuits configured to implement the above methods, such as: one or more application specific integrated circuits (ASICs), or , one or more microprocessors (digital signal processor, DSP), or one or more field programmable gate arrays (field programmable gate array, FPGA), etc.
- ASICs application specific integrated circuits
- DSP digital signal processor
- FPGA field programmable gate array
- the processing element can be a general processor, such as a central processing unit (CPU) or other processors that can call the program code such as a control device.
- these modules can be integrated together and implemented in the form of a system-on-a-chip (SOC).
- SOC system-on-a-chip
- a computer program product includes one or more computer instructions.
- Computer instructions may be stored in or transmitted from one computer-readable storage medium to another computer-readable storage medium, e.g., computer instructions may be transmitted from a website, computer, server or data center via a wired link (e.g.
- Coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless means to transmit to another website site, computer, server or data center.
- Computer-readable storage media can be any available media that can be accessed by a computer or a data storage device such as a server, data center, or other integrated media that contains one or more available media. Available media may be magnetic media (eg, floppy disk, hard disk, tape), optical media (eg, DVD), or semiconductor media (eg, Solid State Disk (SSD)), etc.
- the term "plurality” as used herein means two or more.
- the term “and/or” in this article is just an association relationship that describes related objects, indicating that three relationships can exist. For example, A and/or B can mean: A exists alone, A and B exist simultaneously, and they exist alone. B these three situations.
- the character "/" in this article generally means that the related objects before and after are an “or” relationship; in the formula, the character “/” means that the related objects before and after are a “division” relationship.
- words such as “first” and “second” are only used for the purpose of distinguishing the description, and cannot be understood as indicating or implying relative importance, nor can they be understood as indicating. Or suggestive order.
- the size of the sequence numbers of the above-mentioned processes does not mean the order of execution.
- the execution order of each process should be determined by its functions and internal logic, and should not be used in the implementation of the present application.
- the implementation of the examples does not constitute any limitations.
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Abstract
Description
Claims (20)
- 一种通信方法,其特征在于,第一设备和第二设备均为超宽带设备,所述第一设备和所述第二设备处于目标区域,所述方法包括:获取所述第一设备的第一初始位置和所述第一设备的视场角,以及所述第二设备的位置信息和所述第二设备的视场角;根据所述第一设备的第一初始位置和所述第一设备的视场角,在所述目标区域的空间布局图上显示所述第一设备的第一雷达覆盖范围,以及,根据所述第二设备的位置信息和所述第二设备的视场角,在所述空间布局图上显示所述第二设备的第二雷达覆盖范围;根据所述第一雷达覆盖范围和所述第二雷达覆盖范围,若检测到需要调整所述第一设备和/或所述第二设备的位置,则输出第一提示信息,所述第一提示信息用于提示用户调整所述第一设备和/或所述第二设备的位置。
- 根据权利要求1所述的方法,其特征在于,所述获取所述第一设备的第一初始位置和所述第一设备的视场角之前,还包括:显示所述空间布局图;响应于用户的第一操作,在所述空间布局图上显示所述第一初始位置。
- 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:当所述第一雷达覆盖范围和所述第二雷达覆盖范围存在交集时,确定无需调整所述第一设备和/或所述第二设备的位置;当所述第一雷达覆盖范围和所述第二雷达覆盖范围不存在交集时,确定需要调整所述第一设备和/或所述第二设备的位置。
- 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:根据所述目标区域、所述第一雷达覆盖范围,以及所述第二雷达覆盖范围,检测所述目标区域中是否存在雷达覆盖盲区;若是,则确定需要调整所述第一设备和/或所述第二设备的位置;若否,则确定无需调整所述第一设备和/或所述第二设备的位置。
- 根据权利要求2所述的方法,其特征在于,所述显示所述空间布局图之前,还包括:响应于部署指示,若所述第一设备中未存储所述空间布局图,则输出第二提示信息,所述第二提示信息用于提示所述用户输入所述空间布局图。
- 根据权利要求1-5中任一项所述的方法,其特征在于,所述第一提示信息中包括:调整后的第一设备的位置和/或调整后第二设备的位置。
- 根据权利要求1-6中任一项所述的方法,其特征在于,所述方法应用于所述第一设备,获取所述第二设备的位置信息,包括:定位所述第二设备,以获取所述第二设备的位置信息。
- 根据权利要求7所述的方法,其特征在于,所述方法还包括:接收来自所述第二设备的视场角。
- 根据权利要求2所述的方法,其特征在于,所述方法应用于控制设备,获取所述第一设备的视场角,以及所述第二设备的位置信息和所述第二设备的视场角,包括:接收来自所述第一设备的所述第一设备的视场角,以及所述第二设备的位置信息和所述第二设备的视场角,所述第二设备的位置信息是所述第一设备定位得到的;或者,接收来自所述第一设备的所述第一设备的视场角;接收来自所述第二设备的所述第二设备的位置信息和所述第二设备的视场角。
- 根据权利要求1-8中任一项所述的方法,其特征在于,所述方法应用于所述第一设备,所述方法还包括:每隔第一预设时长进行一次定位,以检测所述目标区域是否新增超宽带设备、移除超宽带设备、所述第一设备的位置发生改变或所述第二设备的位置发生改变;若所述目标区域新增超宽带设备、移除超宽带设备、所述第一设备的位置发生改变或所述第二设备的位置发生改变,根据所述目标区域中超宽带设备的位置和视场角,确定所述目标区域中超宽带设备的 雷达覆盖范围;根据所述目标区域中超宽带设备的雷达覆盖范围,检测是否需要调整所述目标区域中超宽带设备的位置;其中,当所述目标区域新增超宽带设备时,所述目标区域中超宽带设备包括:所述第一设备、所述第二设备,以及所述新增超宽带设备,当所述目标区域移除超宽带设备时,所述目标区域中超宽带设备包括:所述第一设备和所述第二设备中未被移除的设备,当所述第一设备的位置发生改变或所述第二设备的位置发生改变时,所述目标区域中超宽带设备包括:所述第一设备和所述第二设备;若是,输出第三提示信息,所述第三提示信息用于提示所述用户调整所述目标区域中超宽带设备的位置。
- 根据权利要求1-8、10中任一项所述的方法,其特征在于,所述方法应用于所述第一设备,在所述第一设备和所述第二设备部署完成之后,所述方法还包括:发射雷达脉冲,以感知所述目标区域中的对象;当感知所述对象未运动时,向所述第二设备发送侦听指示,所述侦听指示用于指示所述第二设备从工作状态进入侦听状态。
- 根据权利要求11所述的方法,其特征在于,所述向所述第二设备发送侦听指示之后,还包括:继续感知所述对象,且在所述对象运动至所述第二雷达覆盖范围时,向所述第二设备发送唤醒指示,所述唤醒指示用于指示所述第二设备从侦听状态进入工作状态,以继续感知所述对象。
- 根据权利要求12所述的方法,其特征在于,所述向所述第二设备发送唤醒指示之后,还包括:与所述第二设备进行时钟同步;向所述第二设备发送所述第一设备的配置参数,以使所述第二设备将所述第二设备的配置参数调整至与所述第一设备的配置参数一致;向所述第二设备发送已感知所述对象的数据。
- 根据权利要求13所述的方法,其特征在于,所述向所述第二设备发送已感知所述对象的数据之后,还包括:接收来自所述第二设备的侦听指示,所述第二设备的侦听指示为所述第二设备进入工作状态第二预设时长后发送的;从工作状态进入侦听状态。
- 根据权利要求11所述的方法,其特征在于,所述目标区域中还包括第三设备,所述第三设备为超宽带设备,所述发射雷达脉冲之后,还包括:当感知所述对象运动时,接收来自所述第二设备的第二强度,以及来自所述第三设备的第三强度,所述第二强度为:所述第二设备发射雷达脉冲后采集反射的雷达信号的强度,所述第三强度为:所述第三设备发射雷达脉冲后采集反射的雷达信号的强度;根据所述第一设备的第一强度、所述第二强度,以及所述第三强度,确定大于强度阈值的至少两个候选设备,所述第一强度为:所述第一设备发射雷达脉冲后采集反射的雷达信号的强度;将所述至少两个候选设备中的两两设备进行连线,得到至少一个连线;根据所述对象的运动方向与每个连线的夹角,将与所述对象运动方向夹角最小的连线上的两个设备作为目标设备,所述目标设备用于感知所述对象的运动。
- 根据权利要求15所述的方法,其特征在于,当所述目标设备包括所述第一设备和所述第二设备时,所述将与所述对象运动方向夹角最小的连线上的两个设备作为目标设备之后,还包括:与所述第二设备进行时钟同步;向所述第二设备发送所述第一设备的配置参数,以使所述第二设备将所述第二设备的配置参数调整至与所述第一设备的配置参数一致;接收来自所述第二设备感知的所述对象的第二运动检测结果;根据所述第一设备感知的所述对象的第一运动检测结果,以及所述第二运动检测结果,获取所述对象的运动检测结果。
- 根据权利要求15或16所述的方法,其特征在于,所述方法还包括:确定所述第一设备为主设备,所述主设备用于获取所述对象的运动检测结果。
- 根据权利要求17所述的方法,其特征在于,所述确定所述第一设备为主设备,包括:响应于所述用户确定所述第一设备为主设备的操作,确定所述第一设备为主设备;或者,与所述第二设备,以及所述第三设备确定所述第一设备为主设备。
- 一种电子设备,其特征在于,包括:处理器和存储器;所述存储器存储计算机执行指令;所述处理器执行所述存储器存储的计算机执行指令,使得所述处理器执行如权利要求1-18中任一项所述的方法。
- 一种计算机可读存储介质,其特征在于,所述计算机可读存储介质中存储有计算机程序或指令,当所述计算机程序或指令被运行时,实现如权利要求1-18中任一项所述的方法。
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| CN105376538A (zh) * | 2015-12-08 | 2016-03-02 | 湖南纳雷科技有限公司 | 一种雷达与视频融合的大范围监控系统及方法 |
| CN208314185U (zh) * | 2018-05-17 | 2019-01-01 | 驭势科技(北京)有限公司 | 雷达布置位置的测试装置 |
| CN111610494A (zh) * | 2020-05-27 | 2020-09-01 | 武汉理工大学 | 一种vts雷达配置信号覆盖优化方法 |
| EP4027533A1 (en) * | 2021-01-12 | 2022-07-13 | Volkswagen Ag | Adaptation of operating parameters of a beamforming base station |
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| US7983684B2 (en) * | 2007-01-31 | 2011-07-19 | Symbol Technologies, Inc. | Methods and apparatus for determining RF transmitter placement via local coverage optimization |
| US20080182583A1 (en) * | 2007-01-31 | 2008-07-31 | Symbol Technologies, Inc. | Methods and apparatus for determining optimal rf transmitter placement via a coverage metric |
| CN109219118B (zh) * | 2018-11-27 | 2021-08-24 | 上海交通大学 | 一种基于序列唤醒机制的分布式一致状态估计方法 |
| CN217064015U (zh) * | 2022-01-18 | 2022-07-26 | 北京智芯微电子科技有限公司 | 室内定位标签及定位系统 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105376538A (zh) * | 2015-12-08 | 2016-03-02 | 湖南纳雷科技有限公司 | 一种雷达与视频融合的大范围监控系统及方法 |
| CN208314185U (zh) * | 2018-05-17 | 2019-01-01 | 驭势科技(北京)有限公司 | 雷达布置位置的测试装置 |
| CN111610494A (zh) * | 2020-05-27 | 2020-09-01 | 武汉理工大学 | 一种vts雷达配置信号覆盖优化方法 |
| EP4027533A1 (en) * | 2021-01-12 | 2022-07-13 | Volkswagen Ag | Adaptation of operating parameters of a beamforming base station |
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| EP4579510A1 (en) | 2025-07-02 |
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