WO2023092269A1 - Procédé et appareil d'exécution de perception, dispositif et support de stockage - Google Patents

Procédé et appareil d'exécution de perception, dispositif et support de stockage Download PDF

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Publication number
WO2023092269A1
WO2023092269A1 PCT/CN2021/132393 CN2021132393W WO2023092269A1 WO 2023092269 A1 WO2023092269 A1 WO 2023092269A1 CN 2021132393 W CN2021132393 W CN 2021132393W WO 2023092269 A1 WO2023092269 A1 WO 2023092269A1
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Prior art keywords
sensing
sensing signal
access network
network device
terminal device
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PCT/CN2021/132393
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English (en)
Chinese (zh)
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于新磊
石聪
刘洋
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Oppo广东移动通信有限公司
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Priority to PCT/CN2021/132393 priority Critical patent/WO2023092269A1/fr
Priority to CN202180101587.3A priority patent/CN117837114A/zh
Publication of WO2023092269A1 publication Critical patent/WO2023092269A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path

Definitions

  • the present application relates to the field of wireless communication, and in particular to a method, device, device and storage medium for implementing perception.
  • the wireless electromagnetic wave signal used by the cellular network can not only be used for wireless data transmission and communication, but also can be used for environmental perception, for example, for action recognition, gesture recognition, breathing monitoring, terminal device moving speed measurement, environmental imaging, weather monitoring, etc. .
  • the application sends the sensing request for the terminal device to the core network device; the core network device selects the target access network device to participate in sensing, sends a sensing instruction to the terminal device, and instructs the terminal device to perform air interface downlink sensing with the target access network device .
  • it is considered to reuse an existing reference signal as a sensing signal to perform sensing, and a terminal device receives a sensing signal sent by a target access network device to perform sensing.
  • the terminal device since the reference signal of the target access network device is sent on demand, if the target access network device does not have the reference signal being sent, the terminal device cannot perform corresponding sensing behavior.
  • Embodiments of the present application provide a sensing execution method, device, device, and storage medium, which can enable a base station to configure an appropriate sensing signal for a terminal device to perform air interface downlink sensing. Described technical scheme is as follows:
  • a perceptual execution method which is applied to a terminal device, and the method includes:
  • a process of performing air interface downlink sensing based on the first sensing signal request response
  • a perception execution method which is applied to an access network device, and the method includes:
  • a perceptual execution device comprising:
  • a first sending module configured to send a first sensing signal request to the access network device, where the first sensing signal request is used to request configuration of sensing signals for the terminal device;
  • a first receiving module configured to receive a first sensing signal request response sent by the access network device
  • a sensing module configured to perform a process of air interface downlink sensing based on the first sensing signal request response.
  • a perceptual execution device comprising:
  • the second receiving module is configured to receive a first sensing signal request sent by a terminal device, where the first sensing signal request is used to request configuration of sensing signals for the terminal device;
  • the second sending module is configured to send a first sensing signal request response to the terminal device, and the terminal device is configured to perform an air interface downlink sensing process based on the first sensing signal request response.
  • a terminal device includes: a processor and a transceiver connected to the processor; wherein,
  • the transceiver is configured to send a first sensing signal request to the access network device, where the first sensing signal request is used to request configuration of sensing signals for the terminal device;
  • the transceiver is configured to receive a first sensing signal request response sent by the access network device
  • the processor is configured to perform an air interface downlink sensing process based on the first sensing signal request response.
  • a network device includes: a processor and a transceiver connected to the processor; wherein,
  • the transceiver is configured to receive a first sensing signal request sent by a terminal device, where the first sensing signal request is used to request configuration of a sensing signal for the terminal device;
  • the transceiver is configured to send a first sensing signal request response to the terminal device, and the terminal device is configured to perform an air interface downlink sensing process based on the first sensing signal request response.
  • a terminal device includes: a processor and a memory, at least one instruction, at least one program, a code set or an instruction set are stored in the memory, and the at least one instruction , the at least one program, the code set or the instruction set is loaded and executed by the processor, so as to realize the perceptual execution method as described in the above aspect.
  • a network device includes: a processor and a memory, at least one instruction, at least one program, a code set or an instruction set are stored in the memory, and the at least one instruction , the at least one program, the code set or the instruction set is loaded and executed by the processor, so as to realize the perceptual execution method as described in the above aspect.
  • a computer-readable storage medium is provided, and executable instructions are stored in the readable storage medium, and the executable instructions are loaded and executed by a processor to realize the perception as described in the above aspect execution method.
  • a chip the chip includes a programmable logic circuit and/or program instructions, and when the chip is run on a computer device, it is used to realize the sensory information described in the above aspect. Execution method.
  • a computer program product is provided.
  • the computer program product runs on a processor of a computer device, the computer device executes the perceptual execution method described in the above aspects.
  • the terminal device When the core network device instructs the terminal device and the access network device to perform air interface downlink sensing, the terminal device sends a sensing signal request to the access network device, requesting the access network device to configure the sensing signal for the terminal device, and the terminal device receives the reception signal based on the configuration information. Sensing signals sent by network access devices, and performing air interface downlink sensing. It can solve the problem in the related art that the terminal device cannot perform sensing because the access network device does not have a reference signal being sent.
  • FIG. 1 is a schematic diagram of a system architecture provided by an exemplary embodiment of the present application
  • Fig. 2 is a schematic diagram of a system architecture provided by an exemplary embodiment of the present application.
  • FIG. 3 is a flow chart of a perception execution method provided by an exemplary embodiment of the present application.
  • FIG. 4 is a flowchart of a perception execution method provided by an exemplary embodiment of the present application.
  • Fig. 5 is a flowchart of a perception execution method provided by an exemplary embodiment of the present application.
  • FIG. 6 is a flowchart of a perception execution method provided by an exemplary embodiment of the present application.
  • FIG. 7 is a flowchart of a perception execution method provided by an exemplary embodiment of the present application.
  • Fig. 8 is a structural block diagram of a perceptual execution device provided by an exemplary embodiment of the present application.
  • Fig. 9 is a structural block diagram of a perceptual execution device provided by an exemplary embodiment of the present application.
  • Fig. 10 is a schematic structural diagram of a communication device provided by an exemplary embodiment of the present application.
  • the network architecture and business scenarios described in the embodiments of the present application are for more clearly illustrating the technical solutions of the embodiments of the present application, and do not constitute limitations on the technical solutions provided by the embodiments of the present application.
  • the evolution of the technology and the emergence of new business scenarios, the technical solutions provided in the embodiments of this application are also applicable to similar technical problems.
  • FIG. 1 shows a schematic diagram of a network architecture 100 provided by an embodiment of the present application.
  • the network architecture 100 may include: a terminal device 10 , an access network device 20 and a core network device 30 .
  • the terminal equipment 10 may refer to a user equipment (User Equipment, UE), an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a wireless communication device, a user agent or a user device.
  • UE User Equipment
  • the terminal device 10 may also be a cellular phone, a cordless phone, a Session Initiation Protocol (Session Initiation Protocol, SIP) phone, a Wireless Local Loop (Wireless Local Loop, WLL) station, a Personal Digital Assistant (PDA) ), handheld devices with wireless communication functions, computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, terminal devices in the fifth generation mobile communication system (5th Generation System, 5GS) or future evolution
  • the terminal equipment in the Public Land Mobile Network (Public Land Mobile Network, PLMN), etc. is not limited in this embodiment of the present application.
  • the devices mentioned above are collectively referred to as terminal devices.
  • the number of terminal devices 10 is generally multiple, and one or more terminal devices 10 may be distributed in a cell managed by each access network device 20 .
  • the access network device 20 is a device deployed in an access network to provide a wireless communication function for the terminal device 10 .
  • the access network device 20 may include various forms of macro base stations, micro base stations, relay stations, access points, and so on.
  • the names of devices with access network device functions may be different.
  • they are called gNodeB or gNB.
  • the name "access network equipment” may change.
  • access network devices For the convenience of description, in the embodiment of the present application, the above-mentioned devices that provide the wireless communication function for the terminal device 10 are collectively referred to as access network devices.
  • a communication relationship may be established between the terminal device 10 and the core network device 30 through the access network device 20 .
  • the access network device 20 may be an Evolved Universal Terrestrial Radio Access Network (Evolved Universal Terrestrial Radio Access Network, EUTRAN) or one or more eNodeBs in EUTRAN;
  • EUTRAN Evolved Universal Terrestrial Radio Access Network
  • the access network device 20 may be a radio access network (Radio Access Network, RAN) or one or more gNBs in the RAN.
  • RAN Radio Access Network
  • the network device refers to the access network device 20, such as a base station.
  • the core network device 30 is a device deployed in the core network.
  • the functions of the core network device 30 are mainly to provide user connections, manage users, and carry out services, and provide an interface to external networks as a bearer network.
  • the core network equipment in the 5G NR system can include access and mobility management function (Access and Mobility Management Function, AMF) network element, user plane function (User Plane Function, UPF) network element and session management function (Session Management Function) Function, SMF) network element, etc.
  • AMF Access and Mobility Management Function
  • UPF User Plane Function
  • SMF Session Management Function
  • the access network device 20 and the core network device 30 communicate with each other through a certain air interface technology, such as the NG interface in the 5G NR system.
  • the access network device 20 and the terminal device 10 communicate with each other through a certain air interface technology, such as a Uu interface.
  • FIG. 2 shows a schematic diagram of a network architecture provided by another embodiment of the present application.
  • the network architecture may include: a terminal device 10 , an access network device 20 and a core network device 30 .
  • the core network device 30 includes NSSF (Network Slice Selection Function, network slice selection function), AUSF (Authentication Server Function, identity verification server function), UDM (Unified Data Management, unified data management), AMF (Access and Mobility Management Function , access and mobility management function), SMF (Session Management Function, session management function), PCF (Policy Control Function, policy control function), UPF (User Plane Function, user plane function), SF (Sensing Function, perception control Function).
  • NSSF Network Slice Selection Function, network slice selection function
  • AUSF Authentication Server Function, identity verification server function
  • UDM Unified Data Management, unified data management
  • AMF Access and Mobility Management Function , access and mobility management function
  • SMF Session Management Function, session management function
  • PCF Policy Control Function, policy control function
  • UPF User Plane Function, user plane function
  • SF Sensing Function, perception control Function
  • the UE connects to the AN (Access Network, Access Network) at the access layer through the Uu interface, and exchanges access layer messages and wireless data transmission.
  • the UE connects with the AMF through the N1 interface to the Non-Access Stratum (None Access Stratum, NAS).
  • Exchange NAS messages are the mobility management function in the core network
  • SMF is the session management function in the core network.
  • the AMF is also responsible for forwarding session management related messages between the UE and the SMF.
  • the PCF is a policy management function in the core network, and is responsible for formulating policies related to UE mobility management, session management, and charging.
  • the PCF performs data transmission with the external application function (Application Function, AF) through the N5 interface.
  • UPF is the user plane function in the core network. It performs data transmission with the external data network (Data Network, DN) through the N6 interface, and performs data transmission with the AN through the N3 interface.
  • Data Network Data Network
  • the "5G NR system" in the embodiment of the present application may also be called a 5G system or an NR system, but those skilled in the art can understand its meaning.
  • the technical solutions described in the embodiments of this application can be applied to LTE systems, 5G NR systems, and subsequent evolution systems of 5G NR systems, and can also be applied to narrowband Internet of Things (Narrow Band Internet of Things, NB -IoT) system and other communication systems, this application is not limited to this.
  • narrowband Internet of Things Narrow Band Internet of Things, NB -IoT
  • the wireless electromagnetic wave signals used by cellular networks can not only be used for wireless data transmission and communication, but also have environmental awareness capabilities, for example, for sensing user actions or gestures; for respiratory monitoring, terminal moving speed measurement, environmental imaging, weather monitoring etc. Therefore, in the future, the cellular network can not only be used for communication and data transmission, but also be used for the acquisition of sensory information.
  • the 5G network supports the sensing capability, and supports the sensing function in the 3GPP (3rd Generation Partnership Project) network through the sensing control (Sensing Function) network elements and corresponding processes, as shown in Figure 3, which is a A flow chart of controlling an access network device or UE to perform UE-level sensing operations.
  • the method includes the following steps:
  • step 301 the application (AF) sends a sensing request for the target UE to the core network of the 3GPP network, where the sensing request carries the information and sensing type of the target UE.
  • the main wireless sensing scenarios of synaesthesia integration are as follows:
  • Base station (access network equipment) echo sensing link the base station (access network equipment) sends sensing signals and receives echo signals;
  • base station B receives the sensing signal sent by base station A;
  • Air interface uplink sensing link the base station receives the sensing signal sent by the terminal;
  • Air interface downlink sensing link the terminal receives the sensing signal sent by the base station;
  • Terminal echo sensing link the terminal sends sensing signals and receives echo signals
  • terminal B receives the sensing signal sent by terminal A.
  • sensing types may include: access network device echo sensing, access network device sensing, air interface uplink sensing, air interface downlink sensing, terminal device echo sensing, inter-terminal device sensing, etc.
  • the core network selects the access network device or auxiliary UE participating in the sensing through the sensing control network element (SF) or the AMF, and triggers the process of performing sensing-related wireless measurement, starts sensing information measurement, and generates sensing results.
  • the SF sends a sensing command to the AMF, and the sensing command carries the information and sensing type of the target UE.
  • step 303 the AMF determines the UE sensing mode or the base station sensing mode.
  • Step 304 when the sensing type is air interface uplink sensing, the AMF sends a sensing command to the access network device, where the sensing command includes the sensing type.
  • Step 305 the access network device and the target UE perform access layer signal measurement.
  • Step 306 the access network device generates sensing data.
  • Step 307 when the sensing type is air interface downlink sensing, the AMF sends a sensing instruction to the target UE, where the sensing instruction includes the sensing type.
  • Step 308 the target UE performs access layer signal measurement with the access network device.
  • the sensing signals used for sensing can reuse existing air interface signals, for example, SRS (Sounding Reference Signal, channel sounding reference signal), DMRS (Demodulation Reference Symbol, demodulation reference symbol ), CSI-RS (Channel State Information Reference Signal, channel state information reference signal), PTRS (Phase Tracking Reference Signal, phase tracking reference signal), PRS (Positioning Reference Signal, positioning reference signal), etc.
  • SRS Sounding Reference Signal, channel sounding reference signal
  • DMRS Demodulation Reference Symbol, demodulation reference symbol
  • CSI-RS Channel State Information Reference Signal
  • PTRS Phase Tracking Reference Signal, phase tracking reference signal
  • PRS Positioning Reference Signal, positioning reference signal
  • Step 309 the target UE generates sensing data.
  • the perception control network element (SF) or AMF of the core network selects an appropriate access network device (gNB) or assists the UE in performing perception-related operations.
  • UE-specific (UE-specific) reference signals such as DMRS and CSI-RS are sent on demand.
  • the core network instructs the target UE to perform air interface downlink sensing with the serving gNB, if the serving gNB is not sending The reference signal used for sensing, the UE cannot perform the corresponding sensing behavior.
  • the embodiment of the present application provides a sensing execution method.
  • the terminal device requests the sensing signal from the access network device, so that the access network device configures the sensing signal for the terminal device, and the terminal device performs air interface downlink based on the sensing signal. perception.
  • FIG. 4 shows a flowchart of a perception execution method provided by an embodiment of the present application, and the method may be applied to a terminal device with the system architecture shown in FIG. 1 or FIG. 2 .
  • the method includes the following steps.
  • Step 401 Send a first sensing signal request to the access network device, where the first sensing signal request is used to request configuration of sensing signals for the terminal device.
  • the terminal device When the terminal device needs to perform air interface downlink sensing with the access network device, the terminal device requests the access network device to configure a sensing signal.
  • the terminal device when the terminal device needs to perform air interface downlink sensing with other access network devices (auxiliary access network devices), the terminal device requests the access network device to configure sensing signals.
  • the access network device in step 401 refers to the network device of the access network accessed by the terminal device, and the access network device may also be called “serving access network device” or “serving gNB”. .
  • “Serving base station”, that is, the access network device is an access network device that provides services for terminal devices.
  • the auxiliary access network device refers to the access network device that the terminal device is not connected to, and the auxiliary access network device is used to participate in this air interface downlink perception.
  • the auxiliary access network device sends a sensing signal to the terminal device, so that the terminal device performs air interface downlink sensing based on the sensing signal.
  • the terminal device sends a first sensing signal request to the access network device, and the access network device requests the sensing signal from the auxiliary access network device on its behalf, and sends the configuration result of the sensing signal to the terminal device.
  • the number of auxiliary access network devices is at least one.
  • the sensing signal is used for air interface downlink sensing.
  • the sensing signal may multiplex a downlink reference signal, for example, the sensing signal may be SRS, DMRS, CSI-RS, PTRS, PRS and so on. That is, the sensing signal may also be referred to as a "downlink sensing signal", a "reference signal”, or a "downlink sensing signal”.
  • the sensing signal may also be a dedicated signal configured for air interface downlink sensing.
  • the first sensing signal request may include: at least one of the requested sensing signal type, the start time of the air interface downlink sensing, and the end time of the air interface downlink sensing.
  • the access network device may configure the sensing signal of the sensing signal type for the terminal device according to the requested sensing signal type.
  • the access network device may give priority to the start time and end time requested by the terminal device, if the access network device is within this period (from the start time to the end time), the access network device can set the time domain position of the sensing signal as this time period; if the access network device cannot send the sensing signal within this time period, the access network device can refuse The first sensing signal requests, or the access network device configures other time domain positions for the sensing signal.
  • the first sensing signal request may further include indication information for indicating that the sensing signal requested this time is used to perform air interface downlink sensing. If the indication information is included in the first sensing signal request, the access network device may configure a sensing signal suitable for air interface downlink sensing for the terminal device based on the indication information. For example, the access network device determines a suitable sensing signal type based on the indication information, and then selects the sensing signal. If the indication information is not included in the first sensing signal request, the access network device may arbitrarily configure sensing signals for the terminal device.
  • the indication information may also indicate a specific application scenario of the air interface downlink sensing.
  • the indication information indicates that the air interface downlink sensing is used to measure the moving speed of the terminal device
  • the access network device based on the indication information is The terminal device is configured with a third sensing signal, and the third sensing signal is suitable for measuring the moving speed of the terminal device; when the indication information indicates that this air interface downlink sensing is used for weather monitoring, the access network device is based on the indication information.
  • the fourth sensing signal is suitable for weather monitoring; in the case where the indication information indicates that this air interface downlink sensing is used for environment imaging, the access network device configures the fifth sensing signal for the terminal device based on the indication information, The fifth sensory signal is suitable for environment imaging.
  • the first sensing signal request is carried in at least one of UCI (Uplink Control Information, uplink control information), MAC CE (MAC Control Element, media access layer control unit), and RRC (Radio Resource Control, radio resource control) on a signaling.
  • UCI Uplink Control Information, uplink control information
  • MAC CE MAC Control Element, media access layer control unit
  • RRC Radio Resource Control, radio resource control
  • Step 402 Receive the first sensing signal request response sent by the access network device.
  • the first sensing signal request response includes indication information for indicating whether this sensing is allowed, and/or configuration information of the sensing signal.
  • the first sensing signal request response may include sensing signal configuration information; or, the first sensing signal request response may include sensing signal configuration information and the allowed sensing behavior
  • the configuration information includes the time-frequency position of the sensing signal.
  • the access network device configures a sensing signal for the terminal device.
  • the access network device may configure a sensing signal suitable for air interface downlink sensing for the terminal device based on the indication information.
  • the first sensing signal request response may include the second indication information of rejecting the sensing behavior.
  • Step 403 Perform the process of air interface downlink sensing based on the sensing signal request response.
  • the terminal device receives the sensing signal based on the configuration information, so as to perform air interface downlink sensing.
  • the terminal device performs a process of sensing signal request failure in air interface downlink sensing.
  • the process of sensing signal request failure may be: the terminal device sends the first sensing signal request to the access network device again after an interval, and requests the access network device to configure the sensing signal again.
  • the process of sensing signal request failure may also be: the terminal device sends a sensing failure command to the core network device to inform the core network device that the sensing has failed this time.
  • the first sensing signal request when used to request multiple access network devices to send multiple sensing signals, and the first sensing signal request response includes indication information for indicating whether the sensing behavior is allowed, the first sensing signal The request response may include indication information used to indicate whether each access network device allows the sensing behavior.
  • the first sensing signal request includes the first indication information of the serving access network device (the serving access network device allows sensing behavior), the second indication information of the first auxiliary access network device (the first auxiliary access network device Denying the sensing behavior), the first indication information of the second auxiliary access network device (the second auxiliary access network device permits the sensing behavior).
  • the terminal device executes a process of sensing signal request failure in air interface downlink sensing.
  • the terminal device receives the access information corresponding to the first indication information.
  • the sensing signal sent by the network access device performs air interface downlink sensing, and the terminal device performs a sensing signal request failure process for the access network device corresponding to the second indication information.
  • the terminal device receives the sensing signal sent by the access network device corresponding to the first indication information, and performs air interface downlink sensing.
  • the access network device sends the sensing signal to the terminal device according to the configuration information.
  • the terminal device receives the sensing signal based on the configuration information of the sensing signal, and performs air interface downlink sensing.
  • the configuration information includes at least one of the time-frequency position of the sensing signal, the sensing signal type of the sensing signal, the start time of the air interface downlink sensing, and the end time of the air interface downlink sensing.
  • the start time and end time of air interface downlink sensing in the configuration information are configured by the access network device (or auxiliary access network device) for the terminal device, and the start time and end time in the configuration information are the same as those in the first sensing signal request.
  • the start time and end time can be the same or different.
  • the terminal device receives the sensing signal based on the configuration information to perform the air interface downlink sensing to measure the moving speed of the terminal device; or, the terminal device receives the sensing signal based on the configuration information to perform the air interface downlink sensing to measure the position of the terminal device; or The terminal device receives the sensing signal based on the configuration information to perform air interface downlink sensing for weather monitoring; or, the terminal device receives the sensing signal based on the configuration information to perform air interface downlink sensing for environment imaging.
  • the terminal device when the core network device instructs the terminal device and the access network device to perform air interface downlink sensing, the terminal device sends a sensing signal request to the access network device, requesting the access network device to be the terminal The device configures the sensing signal, and the terminal device receives the sensing signal sent by the access network device based on the configuration information, and performs air interface downlink sensing. It can solve the problem in the related art that the terminal device cannot perform sensing because the access network device does not have a reference signal being sent.
  • FIG. 5 shows a flow chart of a perception execution method provided by an embodiment of the present application, and the method may be applied to an access network device in the system architecture shown in FIG. 1 or FIG. 2 .
  • the method includes the following steps.
  • Step 501 Receive a first sensing signal request sent by a terminal device, where the first sensing signal request is used to request configuration of sensing signals for the terminal device.
  • the terminal device When the terminal device needs to perform air interface downlink sensing with the access network device, it sends a first sensing signal request to the access network device, requesting the access network device to configure a sensing signal for air interface downlink sensing for the terminal device.
  • the access network device receives the first sensing signal request, and configures the sensing signal for the terminal device based on the first sensing signal request; the access network device configures the sensing signal suitable for air interface downlink sensing for the terminal device based on the indication information in the first sensing signal request. Signal.
  • Step 502 Send a first sensing signal request response to the terminal device, and the terminal device is used to perform a process of air interface downlink sensing based on the first sensing signal request response.
  • the participating sensing nodes include access network devices, and the access network devices allow this sensing, then after step 502, the access network devices send a reference signal to the terminal device based on the configuration information.
  • the terminal device when the core network device instructs the terminal device and the access network device to perform air interface downlink sensing, the terminal device sends a sensing signal request to the access network device, requesting the access network device to be the terminal The device configures the sensing signal, and the terminal device receives the sensing signal sent by the access network device based on the configuration information, and performs air interface downlink sensing. It can solve the problem in the related art that the terminal device cannot perform sensing because the access network device does not have a reference signal being sent.
  • Access network devices participating in air interface downlink perception include service access network devices.
  • the access network devices participating in air interface downlink perception include at least one auxiliary access network device.
  • Access network devices participating in air interface downlink perception include service access network devices.
  • FIG. 6 shows a flowchart of a perception execution method provided by an embodiment of the present application, and the method can be applied to the system architecture shown in FIG. 1 or FIG. 2 .
  • the method includes the following steps.
  • Step 601 The core network device sends a sensing instruction to the terminal device, where the sensing instruction is used to indicate at least one of a sensing type and participating sensing nodes.
  • the terminal device receives the sensing instruction sent by the core network device.
  • the core network device includes AMF or SF, and the AMF sends the sensing command to the terminal device, or the SF sends the sensing command to the core network device.
  • the sensing type includes: at least one of gNB echo sensing, inter-gNB sensing, UE-gNB downlink sensing, UE-gNB uplink sensing, UE echo sensing, and inter-UE sensing.
  • the participating sensing nodes are used to indicate the nodes participating in this sensing.
  • a participating sensing node may include an access network device (or "serving access network device” or “serving gNB"), or a participating sensing node may include at least one auxiliary access network device, or a participating sensing node may include an access network equipment and at least one auxiliary access network equipment.
  • This embodiment is described by taking the sensing type as UE-gNB downlink sensing, and/or the participating sensing nodes include access network devices as an example.
  • the sensing instruction sent by the core network device includes that the sensing type is UE-gNB downlink sensing.
  • the sensing instruction includes the sensing node including the access network device.
  • the sensing instruction includes that the sensing type is UE-gNB downlink sensing, and the sensing node includes an access network device.
  • Step 602 the terminal device sends a first sensing signal request to the access network device.
  • the sensing type includes terminal device-access network device downlink sensing (UE-gNB downlink sensing)
  • UE-gNB downlink sensing send the first sensing signal request to the access network device
  • the participating sensing nodes include access network devices (or In the case of "serving access network device", “serving gNB")
  • send the first sensing signal request to the access network device or, when the sensing type includes terminal device-access network device downlink sensing, and the participating sensing nodes include In the case of the access network device, the first sensing signal request is sent to the access network device.
  • the UE sends a downlink sensing signal request message (first sensing signal request) to the serving gNB, requesting the serving gNB to be
  • the UE configures a suitable 5G NR reference signal, such as DMRS CSI-RS.
  • the first sensing signal request may include indication information for indicating air interface downlink sensing, and the first sensing signal request may also include sensing type and/or participating sensing nodes to inform the access network device of the requested signal use For air interface downlink sensing.
  • this information may not be included in the first sensing signal request, that is, the access network device does not know the purpose of the signal requested this time, and the access network device may arbitrarily configure a signal for the terminal device as the sensing signal .
  • Step 603 The access network device sends a first sensing signal request response to the terminal device, where the first sensing signal request response includes configuration information of the sensing signal.
  • the access network device receives the first sensing signal request sent by the terminal device, configures the sensing signal for the terminal device, and sends configuration information of the sensing signal to the terminal device.
  • the access network device configures the second reference signal for the terminal device, and sends the second configuration information of the second reference signal to the terminal device.
  • Step 604 the access network device sends a sensing signal to the terminal device.
  • the access network device sends the sensing signal at the time-frequency position indicated by the configuration information.
  • Step 605 The terminal device receives the sensing signal, and performs air interface downlink sensing.
  • the terminal device receives the configuration information of the sensing signal sent by the access network device, and receives the sensing signal sent by the access network device according to the time-frequency position indicated in the configuration information, thereby performing air interface downlink sensing.
  • the UE when the core network device instructs the UE to perform air interface downlink sensing with the serving gNB, the UE requests the sensing signal from the serving gNB, so that the serving gNB configures the sensing signal for the UE, and configures the sensing signal
  • the information is sent to the UE, and a sensing signal is sent to the UE, and the UE performs air interface downlink sensing based on the sensing signal.
  • the access network devices participating in air interface downlink perception include at least one auxiliary access network device.
  • FIG. 7 shows a flowchart of a perception execution method provided by an embodiment of the present application, and the method may be applied to the system architecture shown in FIG. 1 or FIG. 2 .
  • the method includes the following steps.
  • Step 701 The core network device sends a sensing instruction to the terminal device, where the sensing instruction is used to indicate at least one of a sensing type and participating sensing nodes.
  • the terminal device receives the sensing instruction sent by the core network device.
  • the core network device includes AMF or SF, and the AMF sends the sensing command to the terminal device, or the SF sends the sensing command to the core network device.
  • the sensing type includes: at least one of gNB echo sensing, inter-gNB sensing, UE-gNB downlink sensing, UE-gNB uplink sensing, UE echo sensing, and inter-UE sensing.
  • the participating sensing nodes are used to indicate the nodes participating in this sensing.
  • Participating sensing nodes may include access network equipment (or “serving access network equipment”, “serving gNB”), or participating sensing nodes may include at least one auxiliary access network equipment (or “auxiliary access network equipment” , “assistant gNB”), or, the participating sensing node may include an access network device and at least one auxiliary access network device.
  • sensing type as UE-gNB downlink sensing
  • the participating sensing nodes include auxiliary access network equipment (assistant gNB) as an example.
  • assistant gNB auxiliary access network equipment
  • the participating sensing node in this embodiment may also include an access network device (serving gNB). That is, two cases are discussed in this example:
  • the UE performs air interface downlink sensing with at least one auxiliary gNB.
  • the UE performs air interface downlink sensing with the serving gNB and at least one auxiliary gNB.
  • At least one auxiliary gNB sends sensing signals to UE; in case (2), both serving gNB and at least one auxiliary gNB send sensing signals to UE; UE performs air interface downlink sensing based on at least one sensing signal.
  • the sensing instruction sent by the core network device includes that the sensing type is UE-gNB downlink sensing. Or, the sensing instruction includes that the sensing node includes at least one auxiliary access network device. Or, the sensing instruction includes the sensing type as UE-gNB downlink sensing, and the sensing node includes at least one auxiliary access network device.
  • the sensing instruction sent by the core network device includes the sensing type as UE-gNB downlink sensing.
  • the sensing instruction includes that the sensing node includes an access network device and at least one auxiliary access network device.
  • the sensing instruction includes that the sensing type is UE-gNB downlink sensing, and the sensing node includes an access network device and at least one auxiliary access network device.
  • Step 702 The terminal device sends a first sensing signal request to the access network device.
  • the sensing type includes terminal device-access network device downlink sensing (UE-gNB downlink sensing), and the participating sensing nodes include auxiliary access network devices (assistant gNB), the terminal device sends information to the access network device (serving gNB) Sending a first sensing signal request; wherein the access network device is configured to request the auxiliary access network device to configure the first sensing signal for the terminal device, where the sensing signal includes the first sensing signal.
  • UE-gNB downlink sensing terminal device-access network device downlink sensing
  • the participating sensing nodes include auxiliary access network devices (assistant gNB)
  • the terminal device sends information to the access network device (serving gNB) Sending a first sensing signal request; wherein the access network device is configured to request the auxiliary access network device to configure the first sensing signal for the terminal device, where the sensing signal includes the first sensing signal.
  • the UE sends a downlink sensing signal request message (first sensing signal request) to the serving gNB, requesting the assisting gNB ( and serving gNB) configure appropriate 5G NR reference signals for UE, such as DMRS CSI-RS.
  • the first sensing signal request is used to request the auxiliary access network device to configure sensing signals for the terminal device; in case (2), the first sensing signal request is used to request the auxiliary access network device and access The network device (service access network device) configures the sensing signal for the terminal device.
  • the number of auxiliary access network devices is at least one.
  • Step 703 The access network device sends a second sensing signal request to at least one auxiliary access network device.
  • the first sensing signal request includes the identifier of the auxiliary access network device.
  • the access network device sends the second sensing signal request to the auxiliary access network device according to the identifier of the auxiliary access network device.
  • the second sensing signal request is used to request the auxiliary access network device to configure sensing signals for the terminal device.
  • the second sensing signal request may also include indication information for indicating air interface downlink sensing, or the second sensing signal request may also include sensing type and/or participating sensing nodes, for informing the auxiliary access network The signal requested by the device this time is used for air interface downlink sensing.
  • the second sensing signal request may not include the above information, and the auxiliary access network device may arbitrarily configure a signal for the terminal device as the sensing signal.
  • Step 704 at least one auxiliary access network device sends a second sensing signal request response to the access network device.
  • the second sensing signal request response includes the first configuration information of the first sensing signal; or, the second sensing signal request response includes the first indication information allowing the sensing action, and, the first configuration information of the first sensing signal; or, the second The human perception signal request response includes second indication information of rejection of the perception behavior.
  • the auxiliary access network device receives the second sensing signal request, configures the first sensing signal for the terminal device according to the second sensing signal request, and sends the first configuration information of the first sensing signal to the access network device.
  • the number of first sensing signals is at least one, and the number of first sensing signals is not greater than the number of auxiliary access network devices.
  • Step 705 The access network device sends a first sensing signal request response to the terminal device, where the first sensing signal request response includes first configuration information of the first sensing signal.
  • the access network device receives the second sensing signal request response sent by at least one auxiliary access network device, and generates the first sensing signal request response.
  • the configuration information of the sensing signal in the first sensing signal request response includes first configuration information of the first sensing signal in the second sensing signal request response.
  • the configuration information of the sensing signal includes the first configuration information of the first sensing signal configured by the auxiliary access network device for the terminal device.
  • the access network device configures the second sensing signal for the terminal device, and the configuration information of the sensing signal includes the first configuration information of the first sensing signal that the auxiliary access network device configures for the terminal device, and, The second configuration information of the second sensing signal configured by the access network device for the terminal device. That is, the sensing signal includes a first sensing signal and a second sensing signal.
  • Step 706 The auxiliary access network device sends the first sensing signal to the terminal device.
  • the auxiliary access network device sends the first sensing signal at the time-frequency position indicated by the first configuration information.
  • the access network device (serving access network device) will also send the second sensing signal to the terminal device.
  • the access network device sends the second sensing signal at the time-frequency position indicated by the second configuration information.
  • Step 707 The terminal device receives the sensing signal, and performs air interface downlink sensing.
  • the terminal device receives the configuration information of the sensing signal sent by the access network device, and receives the first sensing signal sent by the auxiliary access network device according to the time-frequency position indicated in the configuration information, thereby performing air interface downlink sensing .
  • the terminal device receives the configuration information of the sensing signal sent by the access network device, and receives the first sensing signal sent by the auxiliary access network device and the first sensing signal sent by the access network device according to the time-frequency position indicated in the configuration information.
  • the second sensing signal so as to perform air interface downlink sensing.
  • the UE when the core network device instructs the UE to perform air interface downlink sensing with the auxiliary gNB, the UE requests the sensing signal from the serving gNB, so that the serving gNB requests the sensing signal from the auxiliary gNB, and transmits the sensing signal to the auxiliary gNB.
  • the configuration information is forwarded to the UE, and the gNB assists and sends a sensing signal to the UE, and the UE performs air interface downlink sensing based on the sensing signal.
  • Fig. 8 shows a structural block diagram of a perception executing device provided by an exemplary embodiment of the present application.
  • the device can be implemented as a terminal device, or can be implemented as a part of the terminal device.
  • the device includes:
  • the first sending module 801 is configured to send a first sensing signal request to the access network device, where the first sensing signal request is used to request configuration of sensing signals for the terminal device;
  • a first receiving module 802 configured to receive a first sensing signal request response sent by the access network device
  • the sensing module 803 is configured to perform a process of air interface downlink sensing based on the first sensing signal request response.
  • the first sensing signal request response includes configuration information of the sensing signal
  • the first sensing signal request response includes first indication information allowing sensing behavior, and, the configuration information of the sensing signal;
  • the first sensing signal request response includes second indication information of rejecting sensing behavior.
  • the sensing module 803 is configured to receive the sensing signal based on the configuration information when the first sensing signal request response includes the configuration information of the sensing signal. signal to perform air interface downlink sensing.
  • the sensing module 803 is configured to, in the case that the first sensing signal request response includes the second indication information, perform the failure of the sensing signal request in the air interface downlink sensing process.
  • the configuration information includes the time-frequency position of the sensing signal, the sensing signal type of the sensing signal, the start time of the air interface downlink sensing, and the end time of the air interface downlink sensing at least one of the
  • the first receiving module 802 is configured to receive a sensing instruction sent by a core network device, where the sensing instruction is used to indicate at least one of a sensing type and participating sensing nodes.
  • the first sending module 801 is configured to send the first sending module 801 to the access network device when the sensing type includes terminal device-access network device downlink sensing a sensory signal request;
  • the first sending module 801 is configured to send the first sensing signal request to the access network device when the participating sensing node includes the access network device;
  • the first sending module 801 is configured to send a message to the access network device when the sensing type includes the terminal device-access network device downlink sensing, and the participating sensing nodes include the access network device The network device sends the first sensing signal request.
  • the first sending module 801 is configured to: when the sensing type includes terminal device-access network device downlink sensing, and the participating sensing nodes include auxiliary access network devices Next, sending the first sensing signal request to the access network device;
  • the access network device is configured to request the auxiliary access network device to configure a first sensing signal for the terminal device, where the sensing signal includes the first sensing signal.
  • the first sending module 801 is configured to include terminal device-access network device downlink sensing in the sensing type, and the participating sensing nodes include the access network device and In the case of assisting the access network device, sending the first sensing signal request to the access network device;
  • the access network device is configured to request the auxiliary access network device to configure the first sensing signal for the terminal device, and the access network device is configured to configure the second sensing signal for the terminal device, so
  • the sensing signal includes the first sensing signal and the second sensing signal.
  • the first sensing signal request includes: at least one of a requested sensing signal type, a start time of the air interface downlink sensing, and an end time of the air interface downlink sensing.
  • the first sensing signal request is carried on at least one of the following signalings:
  • Uplink control information UCI Uplink control information UCI, medium access control control element MAC CE, radio resource control RRC.
  • Fig. 9 shows a structural block diagram of an apparatus for executing perception provided by an exemplary embodiment of the present application.
  • the apparatus can be implemented as a network device, or as a part of an access network device.
  • the apparatus includes:
  • the second receiving module 902 is configured to receive a first sensing signal request sent by a terminal device, where the first sensing signal request is used to request configuration of sensing signals for the terminal device;
  • the second sending module 901 is configured to send a first sensing signal request response to the terminal device, and the terminal device is configured to perform an air interface downlink sensing process based on the first sensing signal request response.
  • the first sensing signal request response includes configuration information of the sensing signal
  • the first sensing signal request response includes first indication information allowing sensing behavior, and, the configuration information of the sensing signal;
  • the first sensing signal request response includes second indication information of rejecting sensing behavior.
  • the terminal device is configured to receive the sensing signal based on the configuration information when the first sensing signal request response includes the configuration information of the sensing signal, To perform air interface downlink sensing.
  • the terminal device is configured to execute the process of failing the sensing signal request in the air interface downlink sensing when the first sensing signal request response includes the second indication information.
  • the configuration information includes the time-frequency position of the sensing signal, the sensing signal type of the sensing signal, the start time of the air interface downlink sensing, and the end time of the air interface downlink sensing at least one of the
  • the first sensing signal request is sent by the terminal device when the sensing type of the air interface downlink sensing includes terminal device-access network device downlink sensing;
  • the first sensing signal request is sent when the participating sensing nodes of the air interface downlink sensing include the access network device;
  • the first sensing signal request is that the sensing type of the air interface downlink sensing includes the terminal device-access network device downlink sensing, and the participating sensing nodes of the air interface downlink sensing include the access network sent without the device.
  • the second sending module 901 is configured to send the sensing signal to the terminal device, and the terminal device is configured to perform the air interface downlink sensing based on the sensing signal.
  • the first sensing signal request is that the sensing type of the air interface downlink sensing includes terminal device-access network device downlink sensing, and the participating sensing nodes of the air interface downlink sensing include auxiliary Sent by access network equipment.
  • the second sending module 901 is configured to send a second sensing signal request to the auxiliary access network device, where the second sensing signal request is used to request the auxiliary access
  • the network device configures the first sensing signal for the terminal device
  • the second receiving module 902 is configured to receive a second sensing signal request response sent by the auxiliary access network device
  • the second sending module 901 is configured to generate the first sensing signal request response based on the second sensing signal request response;
  • the sensing signal includes the first sensing signal.
  • the second sensing signal request response includes first configuration information of the first sensing signal
  • the second sensing signal request response includes first indication information allowing sensing behavior, and, the first configuration information of the first sensing signal;
  • the second sensing signal request response includes second indication information of rejecting sensing behavior.
  • the first sensing signal request is that the sensing type of the air interface downlink sensing includes terminal device-access network device downlink sensing, and the participating sensing nodes of the air interface downlink sensing include auxiliary Sent in the case of access network equipment and access network equipment;
  • the sensing signal includes a first sensing signal configured by the auxiliary access network device for the terminal device and a second sensing signal configured by the access network device for the terminal device.
  • the second sending module 901 is configured to send the second sensing signal to the terminal device, and the terminal device is configured to At least one of the two sensing signals is used to perform the air interface downlink sensing.
  • the first sensing signal request includes: at least one of a requested sensing signal type, a start time of the air interface downlink sensing, and an end time of the air interface downlink sensing.
  • the first sensing signal request is carried on at least one of the following signalings:
  • Uplink control information UCI Uplink control information UCI, medium access control control element MAC CE, radio resource control RRC.
  • FIG. 10 shows a schematic structural diagram of a communication device (terminal device or network device) provided by an exemplary embodiment of the present application.
  • the communication device includes: a processor 101 , a receiver 102 , a transmitter 103 , a memory 104 and a bus 105 .
  • the processor 101 includes one or more processing cores, and the processor 101 executes various functional applications and information processing by running software programs and modules.
  • the receiver 102 and the transmitter 103 can be implemented as a communication component, which can be a communication chip, and the communication component can be called a transceiver.
  • the memory 104 is connected to the processor 101 through the bus 105 .
  • the memory 104 may be used to store at least one instruction, and the processor 101 is used to execute the at least one instruction, so as to implement various steps in the foregoing method embodiments.
  • the memory 104 can be implemented by any type of volatile or non-volatile storage device or their combination.
  • the volatile or non-volatile storage device includes but not limited to: magnetic disk or optical disk, electrically erasable and programmable Electrically-Erasable Programmable Read Only Memory (EEPROM), Erasable Programmable Read Only Memory (EPROM), Static Random Access Memory (SRAM), Read-Only Memory (Read-Only Memory, ROM), magnetic memory, flash memory, programmable read-only memory (Programmable Read-Only Memory, PROM).
  • the processor and the transceiver in the communication device involved in the embodiment of the present application may execute the steps performed by the terminal device in any of the methods shown in FIG. 2 to FIG. 9 above, I won't repeat them here.
  • the communication device when the communication device is implemented as a terminal device,
  • the transceiver is configured to send a first sensing signal request to the access network device, where the first sensing signal request is used to request configuration of sensing signals for the terminal device;
  • the transceiver is configured to receive the first sensing signal request response sent by the access network device;
  • the transceiver is configured to perform an air interface downlink sensing process based on the first sensing signal request response.
  • the processor and the transceiver in the communication device involved in the embodiment of the present application may execute the steps performed by the network device in any of the methods shown in FIG. 2 to FIG. 9 above, I won't repeat them here.
  • the communication device when the communication device is implemented as a network device,
  • the transceiver is configured to receive a first sensing signal request sent by a terminal device, where the first sensing signal request is used to request configuration of a sensing signal for the terminal device;
  • the transceiver is configured to send the first sensing signal request response to the terminal device, and the terminal device is configured to perform an air interface downlink sensing process based on the first sensing signal request response.
  • a computer-readable storage medium stores at least one instruction, at least one program, a code set or an instruction set, the at least one instruction, the At least one section of program, the code set or instruction set is loaded and executed by the processor to implement the perceptual execution method performed by the communication device provided by the above method embodiments.
  • a chip is also provided, the chip includes a programmable logic circuit and/or program instructions, and when the chip is run on a computer device, it is used to realize the execution of the perception described in the above aspect method.
  • a computer program product which, when run on a processor of a computer device, causes the computer device to execute the perceptual execution method described in the above aspect.
  • the program can be stored in a computer-readable storage medium.
  • the above-mentioned The storage medium mentioned may be a read-only memory, a magnetic disk or an optical disk, and the like.

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  • Engineering & Computer Science (AREA)
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  • Computer Networks & Wireless Communication (AREA)
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Abstract

La présente demande relève du domaine des communications mobiles et divulgue un procédé et un appareil d'exécution de perception, un dispositif, et un support de stockage. Le procédé est appliqué à un dispositif terminal, et comprend : la transmission d'une première demande de signal de perception à un dispositif de réseau d'accès, la première demande de signal de perception étant utilisée pour demander de configurer un signal de perception pour le dispositif terminal ; la réception d'une première réponse à une demande de signal de perception transmise par le dispositif de réseau d'accès ; et, sur la base de la première réponse à une demande de signal de perception, exécuter un processus de perception de liaison descendante d'interface radio. Selon le procédé, une station de base peut configurer un signal de perception approprié pour le dispositif terminal pour exécuter une perception de liaison descendante d'interface radio.
PCT/CN2021/132393 2021-11-23 2021-11-23 Procédé et appareil d'exécution de perception, dispositif et support de stockage WO2023092269A1 (fr)

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CN202180101587.3A CN117837114A (zh) 2021-11-23 2021-11-23 感知的执行方法、装置、设备及存储介质

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CN108476503A (zh) * 2016-01-08 2018-08-31 高通股份有限公司 信道感知资源分配
CN113630225A (zh) * 2021-06-28 2021-11-09 中国信息通信研究院 一种边链路感知信号发送方法和设备
CN113630226A (zh) * 2021-06-28 2021-11-09 中国信息通信研究院 一种感知资源请求方法和设备

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US8531982B1 (en) * 2009-11-09 2013-09-10 Marvell International Ltd. Quality of service aware channel quality indicator
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