WO2023165360A1 - Procédé et appareil pour réaliser une détection - Google Patents

Procédé et appareil pour réaliser une détection Download PDF

Info

Publication number
WO2023165360A1
WO2023165360A1 PCT/CN2023/077185 CN2023077185W WO2023165360A1 WO 2023165360 A1 WO2023165360 A1 WO 2023165360A1 CN 2023077185 W CN2023077185 W CN 2023077185W WO 2023165360 A1 WO2023165360 A1 WO 2023165360A1
Authority
WO
WIPO (PCT)
Prior art keywords
information
frame
sensing
perception
sending
Prior art date
Application number
PCT/CN2023/077185
Other languages
English (en)
Chinese (zh)
Inventor
韩霄
娜仁格日勒
杜瑞
狐梦实
李云波
杨讯
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2023165360A1 publication Critical patent/WO2023165360A1/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/08Testing, supervising or monitoring using real traffic

Definitions

  • the present application relates to the field of communication technology, and more specifically, to a method and device for realizing perception.
  • wireless local area network wireless local area network
  • WLAN wireless local area network
  • Wi-Fi radar can be used to detect the presence of objects in the environment of the transmission path, the trajectory of movement, biometrics and other sensing technologies.
  • the present application provides a method and device for realizing perception, which can realize perception in a wireless local area network.
  • a method for realizing perception may be executed by a first device or a chip in the first device, and the method includes: the first device receives first information from a second device, and the first information It is used to indicate that the second device can provide the perception information corresponding to the first frame, where the first frame is used for associated beamforming training, or the first frame is used for data transmission, and the perception information is used to generate a perception result; the first The device sends request information to the second device, where the request information is used to request sensing information; the first device receives sensing information from the second device.
  • the first information is used to indicate that the first frame and/or the second device can be used for perception.
  • the first information is used to indicate that the second device supports passive sensing.
  • the first information is used to indicate that the first frame supports passive sensing.
  • the first information is used to indicate that the first frame and the second device support passive sensing.
  • passive sensing may refer to: (device, frame or frame transmission) is not specially designed (or specially designed) for sensing, and other devices can use the relevant information (device, frame or frame transmission) for sensing.
  • the related information may be the perception information of the present application, that is, the second device can provide the perception information corresponding to the first frame.
  • passive sensing transmissions that are not specifically designed for sensing are used by other devices for sensing.
  • the first information may also be used to indicate that the second device can accurately send the first frame.
  • the first information indicates that the second device can provide the sensing information by indicating that the second device can accurately send the first frame.
  • the first information may also be used to indicate that the time interval between multiple first frames is precise.
  • the first information accurately indicates that the second device can provide the perception information by indicating time intervals between multiple first frames.
  • the frame in the associated beamforming training phase or data transmission phase can support passive sensing, or in other words, the second device at the sender of the frame has the ability to provide sensing information and report the first information to the first device, and then the first device may request to obtain the sensing information to realize sensing, and then realize sensing in the wireless local area network.
  • the perception information includes at least one of the following information: direction information for sending the first frame, time information for sending the first frame, time information of the device sending the first frame location information.
  • the sensing information may include different types of information, so that sensing results can be generated based on different sensing requirements, and flexible sensing can be realized.
  • the first frame is at least one of the following frames: a sector scan frame and a data frame.
  • the sector scanning frame is SSW frame and/or short SSW frame
  • the data frame is physical layer protocol data unit PPDU frame, data frame.
  • the sector scan frame and the data frame can be multiplexed for sensing, saving energy consumption.
  • the first information is carried in a directed multi-gigabit sensing short capability unit.
  • the directional multi-gigabit sensing short capabilities element may be a DMG sensing short capabilities element (DMG sensing short capabilities element).
  • the first information is carried in the first frame.
  • the first frame is used for data transmission, and the first information is carried in an allocation field in an extended planning unit of a beacon frame corresponding to the first frame.
  • the first information may be carried in various domains, so as to realize flexible perception.
  • the method further includes: the first device receives second information from the second device, where the second information is used to indicate that the perception information corresponds to the first frame.
  • the second information is carried in a DMG passive sensing info element (DMG passive sensing info element).
  • DMG passive sensing info element DMG passive sensing info element
  • the first information can indicate that multiple types of frames support passive sensing
  • the second device can use the second information to indicate which frame or frames the sensing information corresponds to, so as to achieve flexible sensing.
  • the first device is an access node, and the second device is a station; or, the first device is a station, and the second device is an access node; or, the first The device and the second device are different sites; or the first device and the second device are different access points.
  • the first frame may be at least one of a sector scan frame and a data frame, or in other words, the first frame may be an uplink frame or a downlink frame, and then the uplink path in the communication system, Passive sensing can be supported on the downlink path, between stations, and between access points.
  • a method for realizing perception may be executed by a first device or a chip in the first device, and the method includes: the second device sends first information to the first device, and the first information is used for Indicating that the second device can provide the perception information corresponding to the first frame, where the first frame is used for associated beamforming training, or the first frame is used for data According to transmission, the sensing information is used to generate a sensing result; the second device receives request information from the first device, and the request information is used to request the sensing information; the second device sends the sensing information to the first device.
  • the frame in the associated beamforming training phase or data transmission phase can support passive sensing, or in other words, the second device at the sender of the frame has the ability to provide sensing information and report the first information to the first device, and then the first device may request to acquire the sensing information to realize sensing.
  • the perception information includes at least one of the following information: direction information for sending the first frame, time information for sending the first frame, time information of the device sending the first frame location information.
  • the first frame is at least one of the following frames: a sector scan frame and a data frame.
  • the first information is carried in a directed multi-gigabit cognitive short capability unit.
  • the first information is carried in the first frame.
  • the first frame is used for data transmission, and the first information is carried in an allocation field in an extended planning unit of a beacon frame corresponding to the first frame.
  • the first information is carried in a directed multi-gigabit sensing short capability unit, and the method further includes: the second device sends the second information to the first device, and the second The information is used to indicate that the perception information corresponds to the first frame.
  • the first device is an access node, and the second device is a station; or, the first device is a station, and the second device is an access node; or, the first The device and the second device are different sites; or the first device and the second device are different access points.
  • a communication device in a third aspect, includes a transceiver unit and a processing unit, the transceiver unit is configured to receive first information from a second device, and the first information is used to indicate that the second device can provide a first frame correspondence Sensing information, wherein the first frame is used for associated beamforming training, or the first frame is used for data transmission, and the sensing information is used to generate sensing results; the processing unit is used to generate request information, and the request information is used to request sensing Information; a transceiver unit, further configured to receive sensing information from the second device.
  • the frame in the associated beamforming training phase or data transmission phase can support passive sensing, or in other words, the second device at the sender of the frame has the ability to provide sensing information and report the first information to the first device, and then the first device may request to acquire the sensing information to realize sensing.
  • the perception information includes at least one of the following information: direction information for sending the first frame, time information for sending the first frame, time information of the device sending the first frame location information.
  • the first frame is at least one of the following frames: a sector scan frame and a data frame.
  • the first information is carried in a directed multi-gigabit sensing short capability unit.
  • the first information is carried in the first frame.
  • the first frame is used for data transmission, and the first information is carried in an allocation field in an extended planning unit of a beacon frame corresponding to the first frame.
  • the transceiving unit is further configured to receive second information from the second device, where the second information is used to indicate that the sensing information corresponds to the first frame.
  • the first device is an access node, and the second device is a station; or, the first device is a station, and the second device is an access node; or, the first The device and the second device are different sites; or the first device and the second device are different access points.
  • a communication device in a fourth aspect, includes a transceiver unit and a processing unit, the processing unit is configured to generate first information, and the first information is used to indicate that the second device can provide sensing information corresponding to the first frame, wherein , the first frame is used for associated beamforming training, or the first frame is used for data transmission, and the sensing information is used to generate a sensing result; the transceiver unit is used to send the first information to the first device; the transceiver unit is also used for receiving request information from the first device, where the request information is used to request sensing information; the transceiver unit is also configured to send sensing information to the first device.
  • the frame in the associated beamforming training phase or data transmission phase can support passive sensing, or in other words, the second device at the sender of the frame has the ability to provide sensing information and report the first information to the first device, and then the first device may request to acquire the sensing information to realize sensing.
  • the perception information includes at least one of the following information: direction information for sending the first frame, time information for sending the first frame, time information of the device sending the first frame location information.
  • the first frame is at least one of the following frames: a sector scan frame and a data frame.
  • the first information is carried in a directed multi-gigabit sensing short capability unit.
  • the first information is carried in the first frame.
  • the first frame is used for data transmission, and the first information is carried in an allocation field in an extended planning unit of a beacon frame corresponding to the first frame.
  • the transceiving unit is further configured to send second information to the first device, where the second information is used to indicate that the sensing information corresponds to the first frame.
  • the first device is an access node, and the second device is a station; or, the first device is a station, and the second device is an access node; or, the first The device and the second device are different sites; or the first device and the second device are different access points.
  • a communication device configured to execute the method provided in the first aspect above.
  • the communication device may include a unit and/or module, such as a processing unit and/or a communication unit, configured to execute the first aspect or the method provided by any of the above-mentioned implementation manners of the first aspect.
  • the communication device is a sending end device.
  • the communication unit may be a transceiver, or an input/output interface; the processing unit may be at least one processor.
  • the transceiver may be a transceiver circuit.
  • the input/output interface may be an input/output circuit.
  • the communication device is a chip, a chip system or a circuit in the sending end device.
  • the communication unit may be an input/output interface, interface circuit, output circuit, input circuit, pin or related circuit on the chip, chip system or circuit etc.; the processing unit may be at least one processor, processing circuit or logic circuit and the like.
  • a communication device is provided, and the device is configured to execute the method provided in the second aspect above.
  • the communication device may include a unit and/or module, such as a processing unit and/or a communication unit, for performing the second aspect or the method provided by any of the above-mentioned implementation manners of the second aspect.
  • the communications apparatus is a first device.
  • the communication unit It may be a transceiver, or an input/output interface; the processing unit may be at least one processor.
  • the transceiver may be a transceiver circuit.
  • the input/output interface may be an input/output circuit.
  • the communication device is a chip, a chip system or a circuit in the first device.
  • the communication unit may be an input/output interface, interface circuit, output circuit, input circuit, pin or related circuit on the chip, chip system or circuit, etc.
  • the processing unit may be at least one processor, processing circuit or logic circuit, etc.
  • a communication device including a processor, and optionally, a memory
  • the processor is used to control the transceiver to send and receive signals
  • the memory is used to store a computer program
  • the processor is used to read from the memory Calling and running the computer program, so that the sending device executes the method in the first aspect or any possible implementation manner of the first aspect.
  • processors there are one or more processors, and one or more memories.
  • the memory can be integrated with the processor, or the memory can be set separately from the processor.
  • the first device further includes a transceiver, and the transceiver may specifically be a transmitter (transmitter) and a receiver (receiver).
  • the transceiver may specifically be a transmitter (transmitter) and a receiver (receiver).
  • a communication device including a processor, and optionally, a memory
  • the processor is used to control the transceiver to send and receive signals
  • the memory is used to store a computer program
  • the processor is used to call from the memory And run the computer program, so that the second device executes the method in the above-mentioned second aspect or any possible implementation manner of the second aspect.
  • processors there are one or more processors, and one or more memories.
  • the memory can be integrated with the processor, or the memory can be set separately from the processor.
  • the second device further includes a transceiver, and the transceiver may specifically be a transmitter (transmitter) and a receiver (receiver).
  • the transceiver may specifically be a transmitter (transmitter) and a receiver (receiver).
  • a communication system including: a first device configured to execute the method in the first aspect above or any possible implementation manner of the first aspect; and a second device configured to execute the second aspect above Or the method in any possible implementation of the second aspect.
  • a computer-readable storage medium stores computer programs or codes, and when the computer programs or codes run on a computer, the computer executes the above-mentioned first aspect or the first aspect The method in any possible implementation manner, or the second aspect or the method in any possible implementation manner of the second aspect.
  • a chip including at least one processor, the at least one processor is coupled with a memory, the memory is used to store a computer program, and the processor is used to call and run the computer program from the memory, so that the installation
  • the sending device with the system-on-a-chip executes the method in the above-mentioned first aspect or any one of the possible implementations of the first aspect, and makes the receiving device installed with the system-on-a-chip execute the second aspect or any one of the possible implementations of the second aspect method in .
  • the chip may include an input circuit or interface for sending information or data, and an output circuit or interface for receiving information or data.
  • a computer program product includes: computer program code, when the computer program code is executed by the sending device, execute the above-mentioned first aspect or any one of the possible implementation manners of the first aspect method; and, when the computer program code is executed by the receiving device, performing the second aspect or any of the second aspects A method in one possible implementation.
  • FIG. 1 is a schematic diagram of an application scenario applicable to an embodiment of the present application.
  • Fig. 2 is a schematic structural diagram of a BI.
  • Fig. 3 is a schematic flowchart of a method for realizing perception provided by an embodiment of the present application.
  • FIG. 4 is a schematic diagram of carrying first information in a capabilities element (capabilities element) provided by an embodiment of the present application.
  • Fig. 5 is a schematic diagram of first information carried in a sector scan frame (SSW frame in 802.11ad) provided by an embodiment of the present application.
  • SSW frame in 802.11ad sector scan frame
  • FIG. 6 is a schematic diagram of a field corresponding to the first information carried in a sector scan frame (short SSW frame in 802.11ay) provided by an embodiment of the present application.
  • Fig. 7 is a schematic diagram of a field corresponding to the first information included in an allocation field (allocation field) in an extended schedule element (extended schedule element) of a beacon frame provided by an embodiment of the present application.
  • FIG. 8 is a schematic diagram of second information carried in an information element (info element) provided by an embodiment of the present application.
  • FIG. 9 to FIG. 11 are schematic structural diagrams of possible communication devices provided by the embodiments of the present application.
  • wireless local area network wireless local area network
  • IEEE 802.11 system standards such as 802.11a/b/g standard, 802.11bf standard, 802.11ad standard, 802.11ay standard, or the standard of the next generation.
  • 802.11bf includes two major categories of standards, low frequency (sub7GHz) and high frequency (60GHz).
  • sub7GHz mainly relies on standards such as 802.11ac, 802.11ax, 802.11be and the next generation
  • 60GHz mainly relies on standards such as 802.11ad, 802.11ay and the next generation.
  • 802.11ad can also be called directional multi-gigabit (directional multi-gigabit).
  • 802.11ay can also be called enhanced directional multi-gigabit (enhanced directional multi-gigabit, EDMG) standard.
  • the technical solutions of the embodiments of the present application mainly focus on the implementation of 802.11bf at high frequencies (802.11ad, 802.11ay), but related technical principles can be extended to low frequencies (802.11ac, 802.11ax, 802.11be).
  • the embodiment of the present application mainly takes the deployment of a WLAN network, especially a network using the IEEE 802.11 system standard as an example for illustration, those skilled in the art can easily understand that the various aspects involved in the embodiment of the present application can be extended to adopt various standards or protocols.
  • Other networks for example, bluetooth (bluetooth), high performance wireless local area network (high performance radio local area network, HIPERLAN) and wide area network (wide area network, WAN), personal area network (personal area network, PAN) or other now known or network developed in the future. Therefore, regardless of the coverage and wireless access protocol used, various aspects provided by the embodiments of the present application may be applicable to any suitable wireless network.
  • WLAN communication system wireless fidelity (wireless fidelity, Wi-Fi) system
  • global system for mobile communication global system for mobile communication
  • CDMA code Division multiple access
  • wideband code division multiple access wideband code division multiple access
  • WCDMA wideband code division multiple access
  • general packet radio service general packet radio service, GPRS
  • long term evolution long term evolution, LTE
  • LTE frequency division duplex frequency division duplex, FDD
  • LTE time division duplex time division duplex
  • TDD universal mobile telecommunication system
  • UMTS universal mobile telecommunication system
  • WiMAX worldwide interoperability for microwave access
  • WiMAX fifth generation
  • 5G fifth generation
  • 5G new radio
  • 6G future sixth generation
  • IoT Internet of Things
  • the terminal in the embodiment of the present application may refer to user equipment (user equipment, UE), access terminal, subscriber unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent, or user device.
  • the terminal can 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), a wireless communication function Handheld devices, computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, terminal devices in 5G networks, terminal devices in future 6G networks or public land mobile network (PLMN) ), etc., which are not limited in this embodiment of the present application.
  • PLMN public land mobile network
  • the network device in the embodiment of the present application may be a device for communicating with a terminal, and the network device may be a global system of mobile communication (GSM) system or a code division multiple access (CDMA) base transceiver station (BTS), or a base station (nodeB, NB) in a wideband code division multiple access (WCDMA) system, or an evolved base station (evolutional nodeB) in an LTE system , eNB or eNodeB), can also be a wireless controller in a cloud radio access network (cloud radio access network, CRAN) scenario, or the network device can be a relay station, access point, vehicle-mounted device, wearable device, 5G network
  • the network equipment in the network, the network equipment in the future 6G network or the network equipment in the PLMN network, etc., are not limited in this embodiment of the present application.
  • FIG. 1 is a schematic diagram of an application scenario provided by this application.
  • AP AP110 as shown in FIG. 1
  • STA STA121 and STA122 as shown in FIG. 1
  • It may be a mobile phone, a computer, or any of the above-mentioned terminals, which is not limited in this embodiment of the present application.
  • One or more STAs in the station device may communicate with one or more APs in the access point device after establishing an association relationship.
  • AP 110 may communicate with STA 121 after establishing an association relationship
  • AP 110 may communicate with STA 122 after establishing an association relationship.
  • the communication system 100 in FIG. 1 is merely an example.
  • the technical solutions of the embodiments of the present application are not only applicable to communication between an AP and one or more STAs, but also applicable to mutual communication between APs, and also applicable to mutual communication between STAs.
  • the access point can be an access point for a terminal (such as a mobile phone) to enter a wired (or wireless) network. It is mainly deployed in homes, buildings, and parks. The typical coverage radius is tens of meters to hundreds of meters. deployed outdoors.
  • the access point is equivalent to a bridge connecting the wired network and the wireless network. Its main function is to connect various wireless network clients together, and then connect the wireless network to the Ethernet.
  • the access point may be a terminal device (such as a mobile phone) or a network device (such as a router) with a Wi-Fi chip.
  • the access point may be a WLAN device supporting 802.11 series standards.
  • an access point may support 802.11bf, 802.11ad, 802.11ay Or some future Wi-Fi standard.
  • the access point may also be an access point (access point, AP) or a personal basic service set control point (personal basic service set control point, PCP). Unless otherwise specified below in this application, the access point refers to any one of AP and PCP.
  • a station may be a wireless communication chip, a wireless sensor, or a wireless communication terminal, etc., and may also be called a user.
  • the site can be a mobile phone supporting the Wi-Fi communication function, a tablet computer supporting the Wi-Fi communication function, a set-top box supporting the Wi-Fi communication function, a smart TV supporting the Wi-Fi communication function, an Smart wearable devices, in-vehicle communication devices supporting Wi-Fi communication functions, computers supporting Wi-Fi communication functions, etc.
  • the station may be a WLAN device supporting 802.11 series standards.
  • the station may also support the 802.11bf standard, the 802.11ad standard, the 802.11ay standard or a certain future Wi-Fi standard.
  • access points and stations can be devices applied in the Internet of Vehicles, IoT nodes and sensors in the Internet of Things (IoT), smart cameras in smart homes, smart remote controls, smart water meters, And sensors in smart cities, etc.
  • IoT Internet of Things
  • the wireless communication system provided by the embodiment of the present application may be a WLAN or a cellular network, and the method may be implemented by a communication device in the wireless communication system or a chip or a processor in the communication device, and the communication device may be a device that supports multiple links
  • a wireless communication device that transmits in parallel is called, for example, a multi-link device or a multi-band device. Compared with devices that only support single-link transmission, multi-link devices have higher transmission efficiency and higher throughput.
  • a multi-link device includes one or more affiliated STAs (affiliated STAs).
  • An affiliated STA is a logical station that can work on one link. Wherein, the affiliated station can be AP or non-AP STA.
  • a multi-link device whose affiliated station is an AP can be called a multi-link AP or a multi-link AP device or an AP multi-link device (AP multi-link device), and a multi-link device whose affiliated station is a non-AP STA It may be called a multi-link STA or a multi-link STA device or an STA multi-link device (STA multi-link device).
  • beacon interval beacon interval
  • Fig. 2 shows a schematic structural diagram of a BI.
  • the time axis can be divided into multiple BIs, and each BI includes a beacon header indication (BHI) and a data transmission interval (data transmission interval, DTI).
  • BHI includes beacon transmission interval (beacon transmission interval, BTI), association-beamforming training (association beamforming training, A-BFT) and announcement transmission interval (announcement transmission interval, ATI).
  • DTI includes several sub-intervals, which are divided into contention based access period (CBAP) (such as CBAP1 and CBAP2 shown in Figure 2) and service interval (service period, SP) based on the form of access. For example SP1 and SP2 shown in Figure 2).
  • CBAP contention based access period
  • SP service period
  • the AP can send multiple beacons (beacon, also called DMG beacon, or initiator transmit sector sweep) in all directions.
  • the beacon frame can be used for downlink sector scanning
  • the beacon frame includes an A-BFT length (A-BFT length) field, which indicates the time slot length of the A-BFT phase, for example , referring to FIG. 2 , this field indicates that the A-BFT phase includes 8 time slots, and each time slot may be called a sector scan time slot (SSW slot, also called aSSSlotTime).
  • A-BFT length A-BFT length
  • SSW slot also called aSSSlotTime
  • the STA that receives the beacon frame can access at a certain aSSSlotTime, and Use a directional antenna to send a sector sweep (sector sweep, SSW, or it can also be called a responder transmit sector sweep (R-TXSS)) frame, and then the AP can use a quasi-omnidirectional antenna to receive frames from all directions.
  • the feedback information can contain the sector information of the responding STA and the best sending sector of the responding party in the previous stage. At this time, the responding party is in the quasi-omnidirectional receiving mode . Finally, based on whether there is a sector level sweep (SLS) before the DTI stage, it is determined whether to enter the SSW feedback stage. In the SSW feedback stage, the STA can direct the AP feedback confirmation through its best sending sector.
  • SLS sector level sweep
  • EDMG enhanced directional multi-gigabit
  • DMG traditional directional multi-gigabit
  • 802.11ad 802.11ad
  • EDMG is in the A-BFT stage
  • Both traditional SSW frames and short SSW (short SSW) frames can be transmitted.
  • the length of a short SSW frame is shorter than that of a traditional SSW frame, enabling EDGM STAs to transmit more SSWs in one time slot.
  • the sector scan SSW frame refers to any one of the traditional SSW frame and short SSW.
  • FIG. 3 is a schematic flowchart of a method 300 for information transmission provided by an embodiment of the present application.
  • the second device sends first information to the first device, and correspondingly, the first device receives the first information from the second device.
  • the first information is used to indicate that the second device can provide the perception information corresponding to the first frame.
  • the first information is used to indicate that the first frame and/or the second device can be used for perception.
  • the first information is used to indicate that the second device supports passive sensing (passive sensing).
  • the first information is used to indicate that the first frame supports passive sensing.
  • the first information is used to indicate that the first frame and the second device support passive sensing.
  • passive sensing may refer to: (device, frame or frame transmission) is not specially designed (or specially designed) for sensing, and other devices can use the relevant information (device, frame or frame transmission) for sensing.
  • the related information may be the perception information of the present application, that is, the second device can provide the perception information corresponding to the first frame.
  • passive sensing transmissions that are not specifically designed for sensing are used by other devices for sensing.
  • the first information may also be used to indicate that the second device can accurately send the first frame.
  • the first information indicates that the second device can provide the sensing information by indicating that the second device can accurately send the first frame.
  • the first information may also be used to indicate that the time interval between multiple first frames is precise.
  • the first information accurately indicates that the second device can provide the perception information by indicating the time interval between multiple first frames.
  • the use of the perception information to generate a perception result may refer to: the perception information may be used to generate a perception result for the surrounding environment on the transmission path of the first frame, and the perception result may include object position distribution information and object action track information in the surrounding environment , object feature information and other information that can be sensed by radar.
  • the first frame is used for associated beamforming training (such as A-BFT shown in Figure 2), or, this first frame is used for data Transmission (such as DTI shown in Figure 2). Alternatively, the first frame is used for beacon header indication (such as the BTI shown in FIG. 2 ).
  • the first frame is a frame in at least one of the following stages: A-BFT stage, DTI stage, and BTI stage.
  • the first frame is at least one of the following frames: a sector scan frame, a data frame, and a beacon frame.
  • the sector scan frame can refer to SSW or short SSW in the A-BTI stage shown in Figure 2;
  • the data frame can be a data frame transmitted in the data transmission stage, such as a data frame, a physical layer protocol data unit (physical layer protocol data unit, PPDU);
  • the beacon frame can be the beacon frame of the BTI stage.
  • the second device is a station
  • the first device is an access point
  • the second device is the station, and the first device is the access point.
  • the first frame is an uplink frame (such as a sector scan frame, an uplink data frame) sent by the station to the access point
  • the second device is the station
  • the first device is the access point.
  • the first device may be an access point
  • the second device may be a station
  • the first device is the station
  • the second device is the access point
  • both the uplink path and the downlink path in the communication system can support passive sensing.
  • the first device and the second device are different sites.
  • the first device may receive first information from the second device through the access point, the first device sends request information to the second device through the station, and then the first device receives the sensing information from the second device through the access point.
  • the first device and the second device are different access points.
  • perception can be implemented in a device-to-device (device-to-device, D2D) scenario.
  • the first information may indicate that all the multiple frames can be used for sensing.
  • the second device may send the first information to the first device in multiple ways, or in a combination of multiple ways.
  • the second device may carry the field corresponding to the first information in a DMG Sensing Short Capabilities element (DMG Sensing Short Capabilities element), or the second device may carry the field corresponding to the first information in the first frame, Alternatively, the second device may also carry a field corresponding to the first information in an allocation field (allocation field) corresponding to an extended schedule element (extended schedule element).
  • the first information when the first frame is a PPDU, the first information may be carried in a physical layer (physical layer, PHY) header (PHY header) field or a medium access control (medium access control, MAC) header (MAC header) middle.
  • the manner in which the second device sends the first information to the first device may be related to the type of the first frame, and for specific descriptions, refer to the following introductions of FIG. 4 to FIG. 7 .
  • the first device sends request information to the second device, and correspondingly, the second device receives the request information from the first device.
  • the request information is used to request the sensing information.
  • the first device learns that the first frame and/or the second device supports passive sensing based on the first information, and then may trigger based on the first information, or send request information when there is a demand for sensing services.
  • the request information includes at least one of the following information: identification information of the first frame, type of sensing service, and type of sensing information.
  • the identification information of the first frame can be used by the second device to send the sensing information corresponding to the first frame to the first device;
  • the type of sensing service can correspond to the content included in the sensing information, for example, different types of sensing service types can be Sensing information of different content is requested; the type of sensing information may be used to indicate the information content requested by the first device, such as location information, time information, sending information, and the like.
  • the field corresponding to the request information may be in the same BI as the field corresponding to the first information.
  • the second device may send one or more pieces of first information in a BTI phase of a BI, and then the first device may send request information to the second device in a subsequent ATI phase of the BI.
  • the field corresponding to the request information may not be in the same BI as the field corresponding to the first information.
  • the second device can report the first information to the first device at any stage of a BI, and then the first device knows that the second device and/or the first frame supports passive sensing, and can report the first information in any subsequent BI based on requirements. Send request information to the first device at any stage.
  • the second device can send the first information once in a certain BI.
  • the information indicates that there are one or more frames supporting passive sensing in multiple subsequent BIs, and the first information may also be sent in each BI to indicate that there are one or more frames supporting passive sensing in the current BI.
  • the first device may send the request information once in a certain BI to request the perception information corresponding to the first frame in multiple subsequent BIs, or may send the request information in each BI to request the perception information corresponding to the first frame in the current BI.
  • the second device sends the sensing information to the first device, and correspondingly, the first device receives the sensing information from the second device.
  • the perception information includes at least one of the following information: direction information for sending the first frame, time information for sending the first frame, and location information for a device sending the first frame.
  • Sending the direction information of the first frame may include sending direction information such as azimuth (azimuth) and elevation (elevation) of the first frame.
  • the time information for sending the first frame may include time information such as a time slot number and a time interval corresponding to the first frame.
  • the location information of the device sending the first frame may include location information such as location coordinates, relative location, and device identification. Wherein, the device sending the first frame may be the second device sending the first information.
  • the perception information also includes the serial number of the first frame.
  • the perception information may indicate direction information corresponding to each sector in the plurality of sectors, for example, the perception information may include a corresponding list of sector identifiers and direction information.
  • the first device acquires the perception information, and may analyze the surrounding environment on the transmission path of the first frame based on the perception information.
  • the first device receives the first frame from the second device, the first device records the direction information and time information of the first frame received, and based on the perception information and the direction information and time information of the first frame received Perceptual analysis is performed on the surrounding environment on the transmission path of a frame.
  • the present application does not impose any limitation on the order in which the second device sends the sensing information and the first frame to the first device.
  • the sensing information may be related information when the second device sends the first frame; when the second device sends the sensing information first and then sends the first frame, the sensing information
  • the perception information may be related information that the second device predicts or acquires in advance that the first frame will be sent.
  • the first information can indicate that multiple types of frames support passive sensing, and then the second device can use the second information to indicate which frame or frames the sensing information corresponds to. At this time, the method 300 can execute step S340.
  • the second device sends the second information to the first device, and correspondingly, the first device receives the second information from the second device.
  • the second information is used to indicate that the perception information corresponds to the first frame.
  • the second information is carried in an information element, such as a DMG passive sensing info element (DMG passive sensing info element).
  • DMG passive sensing info element DMG passive sensing info element
  • the sensing information is the sensing information of the beacon frame; when the second information is set to "1", it means that the sensing information is the frame in the A-BFT stage ( For example, perceptual information of SSW frames).
  • the frame in the associated beamforming training phase or data transmission phase can support passive sensing, or in other words, the second device at the sender of the frame has the ability to provide sensing information and report the first information to the first device, and then the first device may request to obtain the sensing information to realize sensing, and then realize sensing in the wireless local area network.
  • FIG. 4 is a schematic diagram of carrying first information in a capabilities element (capabilities element) provided by an embodiment of the present application.
  • the capability element may be a DMG sensing short capabilities element (DMG sensing short capabilities element).
  • the DMG sensing short capability unit may include four fields: element ID (element ID) domain, element length (element length) domain, element ID extension (element ID extension) domain and short sensing capabilities (short sensing capabilities) domain, each of the four domains can occupy 1 byte.
  • the short sensing capability domain may include 5 fields: sensing support (sensing support) field, first information field, accurate time (accurate timing) field, location available (location available) field and reserved (reserved) field.
  • the first information field may also be referred to as passive sensing support (passive sensing support).
  • the perception support field, the first information field, the exact time field and the position obtainable field may respectively occupy 1 bit, and the reserved field may occupy 4 bits.
  • the sensing support field may be used to indicate support for sensing functions other than passive sensing
  • the first information field in this embodiment of the present application may be a capability field solely used to indicate support for passive sensing.
  • FIG. 4 is an example where the first information field occupies 1 bit, and this application does not set any limitation on the number of bits of the first information.
  • the first information may also use reserved bits in other reserved fields.
  • the second device may send the first information in the manner shown in FIG. 4 .
  • the first frame corresponds to the capability unit, or in other words, the first frame and the capability unit belong to one BI.
  • Fig. 5 is a schematic diagram of first information carried in a sector scan frame (SSW frame in 802.11ad) provided by an embodiment of the present application.
  • SSW frame in 802.11ad sector scan frame
  • the SSW frame may include a frame control (frame control) field, a duration (duration) field, a receiver address (RA) field, a transmitter address (transmitter address) TA field, an SSW field, an SSW feedback field, and a frame check Sequence (frame check sequence, FCS) field.
  • the SSW field may include a direction field, a count down (CDOWN) field, a sector ID (sector ID) field, a DMG antenna ID (DMG antenna ID) field, and an RXSS length field.
  • the structure of the SSW feedback field can have the following two situations: when the SSW feedback field structure is transmitted as part of the initiator sector sweep (ISS), the field structure shown in case 1 can be used; when the SSW feedback When the domain structure is not transmitted as part of the ISS, the domain structure shown in Case 2 can be used.
  • Responder sector sweep responder sector sweep, RSS
  • unsolicited RSS enabled reserved field 3.
  • the SSW feedback field may include a sector selection (sector select) field, a DMG antenna selection (DMG antenna select) field, a signal to noise ratio (signal to noise ratio, SNR) report (SNR report) field, a first information field, reserve (reserved) field, active RSS enabled, EDMG extension flag (EDMG extension flag).
  • the first information field may also be referred to as passive sensing support (passive sensing support).
  • FIG. 5 is an example in which the first information field occupies 1 bit, and this application does not make any limitation on the number of bits of the first information.
  • the first information may also use reserved bits in other reserved fields.
  • the second device may send the first information in the manner shown in FIG. 5 .
  • the second device may carry a field corresponding to the first information in the first frame.
  • FIG. 6 is a schematic diagram of a sector scan frame (short SSW frame in 802.11ay) carrying first information provided by an embodiment of the present application.
  • the short SSW may include a PPDU type (PPDU type) field, a direction (direction) field, a first information field, a source association identifier (association identifier, AID) (source AID) field, a destination AID (destination AID) field, a CDOWN field, RF chain (radio frequency, RF) chain ID (RF chain ID) field, short SSW feedback (short SSW feedback) field, FCS field.
  • PPDU type PPDU type
  • direction direction
  • first information field a source association identifier (association AID) (source AID) field, a destination AID (destination AID) field, a CDOWN field
  • RF chain radio frequency, RF chain ID (RF chain ID) field
  • short SSW feedback short SSW feedback
  • FIG. 6 is an example in which the first information field occupies 1 bit, and this application does not set any limitation on the number of bits of the first information.
  • the second device may send the first information in the manner shown in FIG. 6 .
  • the second device may carry a field corresponding to the first information in the first frame.
  • Fig. 7 is a schematic diagram of an allocation field (allocation field) carried in an extended schedule element (extended schedule element) of a beacon frame provided by an embodiment of the present application.
  • the extended plan unit may include: element ID (element ID), length (length), and allocation list (allocation list).
  • the allocation list includes: allocation control (allocation control), beamforming (beamforming, BF) control (BF control), source AID (source AID), destination AID (destination AID), allocation start (allocation start), allocation block period (allocation block duration), number of blocks (number of blocks), allocation block time (allocation block period).
  • the allocation control can have two situations of bit allocation methods.
  • Case 1 allocation control includes: allocation ID (allocation ID), allocation type (allocation type), pseudo-static (pseudo-static), truncatable (truncatable), configurable Extendable (extendable), PCP active (PCP active), low-power single carrier used (LP SC used), first information, reserved field (reserved).
  • allocation ID allocation ID
  • allocation type allocation type
  • pseudo-static pseudo-static
  • truncatable truncatable
  • PCP active PCP active
  • LP SC used low-power single carrier used
  • first information reserved field
  • the time division duplex time division duplex, TDD
  • application SP TDD applicable SP
  • the first information field may also be referred to as passive sensing support (passive sensing support).
  • FIG. 7 is an example where the first information field occupies 1 bit, and this application does not set any limitation on the number of bits of the first information.
  • the first information may also use reserved bits in other reserved fields.
  • the second device may send the first information in the manner shown in FIG. 7 .
  • the first frame corresponds to the extended plan unit, for example, the data frames in the allocation period indicated by the extended plan unit all support passive sensing.
  • FIG. 8 is a schematic diagram of second information carried in an information element (info element) provided by an embodiment of the present application.
  • the capability unit may be a DMG passive sensing information element (DMG passive sensing info element).
  • DMG passive sensing info element DMG passive sensing info element
  • the DMG passive sensing information unit may include: element ID (element ID) field, element length (element length) field, element ID extension (element ID extension) field, sector number (num sectors) field, passive sensing Information control (passive sensing info control) field, optionally, can also include location configuration information Information (location configuration information, LCI) field.
  • the passive sensing information control field may include a constant (constant) field, a next beacon/A-BFT (next beacon/A-BFT) field, an LCI present (LCI present) field, a second information field, and a reserved (reserved) field. field.
  • the second information indicates that the perception information is perception information corresponding to a beacon frame and/or a frame in the A-BFT stage
  • the second information may also be called beacon/A-BFT.
  • the next beacon/A-BFT can be used to indicate whether the sensing information corresponds to the previous beacon frame and/or frame in the A-BFT stage, or the next beacon frame and/or frame in the A-BFT stage frame.
  • FIG. 8 is an example where the second information field occupies 2 bits, and this application does not make any limitation on the number of bits of the second information.
  • the second information may also use reserved bits in other reserved fields.
  • FIG. 4 to FIG. 8 are only exemplary descriptions of ways of sending the first information and the second information, and this embodiment of the present application may also include other solutions that enable the first device to obtain the first information and the second information.
  • FIG. 9 is a schematic diagram of a communication device provided by an embodiment of the application.
  • the apparatus 900 may include a transceiver unit 910 and a processing unit 920 .
  • the transceiver unit 910 can communicate with the outside, and the processing unit 920 is used for data processing.
  • the transceiver unit 910 may also be called a communication interface or a transceiver unit.
  • the apparatus 900 may implement a process corresponding to the execution of the first device in the above method embodiment, wherein the processing unit 920 is configured to perform processing related to the first device in the above method embodiment Operation, the transceiving unit 910 is configured to perform operations related to transceiving of the first device in the above method embodiments.
  • the transceiver unit 910 is configured to receive first information from the second device, where the first information is used to indicate that the second device can provide sensing information corresponding to the first frame, where the first frame is used for associated beamforming Training, or, the first frame is used for data transmission, and the perception information is used to generate a perception result; the processing unit 920 is used to generate request information, and the request information is used to request the perception information; the transceiver unit 910 is also used to receive information from the second device perceptual information.
  • the frames in the associated beamforming training phase or data transmission phase can support passive sensing, or in other words, the second device at the sender of the frame has the ability to provide sensing information, and the first The information is reported to the first device, and then the first device may request to acquire the sensing information to realize sensing.
  • the transceiving unit 910 is further configured to receive second information from the second device, where the second information is used to indicate that the sensing information corresponds to the first frame.
  • the perception information includes at least one of the following information: direction information for sending the first frame, time information for sending the first frame, and location information for a device sending the first frame.
  • the first frame is at least one of the following frames: a sector scan frame and a data frame.
  • the first information is carried in the directional multi-gigabit perceptual short capability unit.
  • the first information is carried in the first frame.
  • the first frame is used for data transmission, and the first information is carried in an allocation field in an extended planning unit corresponding to the beacon frame in the first frame.
  • the first device is an access node, and the second device is a site; or, the first device is a site, and the second device is an access node; or, the first device and the second device are different sites; or The first device and the second device are different access points.
  • the apparatus 900 can realize the implementation of the second device corresponding to the above method embodiment
  • the transceiving unit 910 is configured to perform operations related to transceiving of the second device in the method embodiments above
  • the processing unit 920 is configured to perform operations related to processing of the second device in the method embodiments above.
  • the processing unit 920 is configured to generate first information, and the first information is used to indicate that the second device can provide perception information corresponding to the first frame, where the first frame is used for associated beamforming training, or, the second One frame is used for data transmission, and the sensing information is used to generate a sensing result; the transceiver unit 910 is used to send the first information to the first device; the transceiver unit 910 is also used to receive request information from the first device, and the request information is used for requesting the sensing information; the transceiver unit, further configured to send the sensing information to the first device.
  • the frames in the associated beamforming training phase or data transmission phase can support passive sensing, or in other words, the second device at the sender of the frame has the ability to provide sensing information, and the first The information is reported to the first device, and then the first device may request to acquire the sensing information to realize sensing.
  • the transceiving unit 910 is further configured to send second information to the first device, where the second information is used to indicate that the sensing information corresponds to the first frame.
  • the perception information includes at least one of the following information: direction information for sending the first frame, time information for sending the first frame, and location information for a device sending the first frame.
  • the first frame is at least one of the following frames: a sector scan frame and a data frame.
  • the first information is carried in the directional multi-gigabit perceptual short capability unit.
  • the first information is carried in the first frame.
  • the first frame is used for data transmission, and the first information is carried in an allocation field in an extended planning unit of a beacon frame corresponding to the first frame.
  • the first device is an access node, and the second device is a site; or, the first device is a site, and the second device is an access node; or, the first device and the second device are different sites; or The first device and the second device are different access points.
  • the device 900 here is embodied in the form of functional units.
  • the term "unit” here may refer to an application specific integrated circuit (ASIC), an electronic circuit, a processor for executing one or more software or firmware programs (such as a shared processor, a dedicated processor, or a group processor, etc.) and memory, incorporated logic, and/or other suitable components to support the described functionality.
  • ASIC application specific integrated circuit
  • processor for executing one or more software or firmware programs (such as a shared processor, a dedicated processor, or a group processor, etc.) and memory, incorporated logic, and/or other suitable components to support the described functionality.
  • the apparatus 900 may specifically be the first device in the above-mentioned embodiment, and may be used to execute the process corresponding to the first device in the above-mentioned method embodiment, or, the apparatus 900 may be Specifically, it is the second device in the above-mentioned embodiment, which can be used to execute the process corresponding to the second device in the above-mentioned method embodiment. To avoid repetition, details are not repeated here.
  • the above-mentioned apparatus 900 has the function of realizing the corresponding steps executed by the first device in the above-mentioned method, or, the above-mentioned apparatus 900 has the function of realizing the corresponding steps executed by the second device in the above-mentioned method.
  • the functions described above may be implemented by hardware, or may be implemented by executing corresponding software on the hardware.
  • the hardware or software includes one or more modules corresponding to the above functions; for example, the transceiver unit can be replaced by a transceiver (for example, the sending unit in the transceiver unit can be replaced by a transmitter, and the receiving unit in the transceiver unit can be replaced by a receiver computer), and other units, such as a processing unit, may be replaced by a processor to respectively perform the sending and receiving operations and related processing operations in each method embodiment.
  • a transceiver for example, the sending unit in the transceiver unit can be replaced by a transmitter, and the receiving unit in the transceiver unit can be replaced by a receiver computer
  • other units such as a processing unit, may be replaced by a processor to respectively perform the sending and receiving operations and related processing operations in each method embodiment.
  • the above-mentioned transceiver unit may also be a transceiver circuit (for example, may include a receiving circuit and a sending circuit), and the processing unit may be a processing circuit.
  • the apparatus in FIG. 10 may be the second device or the first device in the foregoing embodiments, or may be a chip or a chip system, for example, a system on chip (system on chip, SoC).
  • the transceiver unit may be an input-output circuit or a communication interface.
  • the processing unit is the processor integrated on the chip or microprocessor or integrated circuit. It is not limited here.
  • FIG. 10 shows a communication device 1000 provided by an embodiment of the present application.
  • the device 1000 includes a processor 1010 and a memory 1020 .
  • the memory 1020 is used to store instructions, and the processor 1010 can invoke the instructions stored in the memory 1020 to execute the processes corresponding to the first device or the second device in the above method embodiments.
  • the memory 1020 is used to store instructions, and the processor 1010 may call the instructions stored in the memory 1020 to execute the procedure corresponding to the first device in the above method embodiment.
  • the memory 1020 is used to store instructions, and the processor 1010 may call the instructions stored in the memory 1020 to execute the process corresponding to the second device in the foregoing method embodiments.
  • the apparatus 1000 may specifically be the first device or the second device in the foregoing embodiments, or may be a chip or a chip system for the first device or the second device. Specifically, the apparatus 1000 may be used to execute the procedures corresponding to the first device or the second device in the foregoing method embodiments.
  • the memory 1020 may include read-only memory and random-access memory, and provides instructions and data to the processor.
  • a portion of the memory may also include non-volatile random access memory.
  • the memory may also store device type information.
  • the processor 1010 may be used to execute the instructions stored in the memory, and when the processor 1010 executes the instructions stored in the memory, the processor 1010 is used to execute the above method embodiment corresponding to the first device or the second device. process.
  • each step of the above method can be completed by an integrated logic circuit of hardware in a processor or an instruction in the form of software.
  • the steps of the methods disclosed in connection with the embodiments of the present application may be directly implemented by a hardware processor, or implemented by a combination of hardware and software modules in the processor.
  • the software module can be located in a mature storage medium in the field such as random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, register.
  • the storage medium is located in the memory, and the processor reads the information in the memory, and completes the steps of the above method in combination with its hardware. To avoid repetition, no detailed description is given here.
  • the processor in the embodiment of the present application may be an integrated circuit chip, which has a signal processing capability.
  • each step of the above-mentioned method embodiments may be completed by an integrated logic circuit of hardware in a processor or instructions in the form of software.
  • the above-mentioned processor may be a general-purpose processor, a digital signal processor, an application-specific integrated circuit, a field programmable gate array or other programmable logic devices, a discrete gate or transistor logic device, or a discrete hardware component.
  • the processor in the embodiment of the present application may realize or execute the various methods, steps and logic block diagrams disclosed in the embodiment of the present application.
  • a general-purpose processor may be a microprocessor, or the processor may be any conventional processor, or the like.
  • the steps of the method disclosed in connection with the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a mature storage medium in the field such as random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, register.
  • the storage medium is located in the memory, and the processor reads the information in the memory, and completes the steps of the above method in combination with its hardware.
  • the memory in the embodiments of the present application may be a volatile memory or a nonvolatile memory, or may include both volatile and nonvolatile memories.
  • the non-volatile memory can be read-only memory (read-only memory, ROM), programmable read-only memory (programmable ROM, PROM), erasable programmable read-only memory (erasable PROM, EPROM), electrically programmable Erases programmable read-only memory (electrically EPROM, EEPROM) or flash memory.
  • Volatile memory can be random access memory (RAM), which acts as external cache memory.
  • RAM random access memory
  • static RAM static random access memory
  • dynamic RAM dynamic random access memory
  • Synchronous dynamic random access memory synchronous DRAM, SDRAM
  • double data rate synchronous dynamic random access memory double data rate SDRAM, DDR SDRAM
  • enhanced synchronous dynamic random access memory enhanced SDRAM, ESDRAM
  • synchronous connection Dynamic random access memory direct rambus RAM, DR RAM
  • direct rambus RAM direct rambus RAM
  • FIG. 11 shows a communication device 1100 provided by an embodiment of the present application.
  • the apparatus 1100 includes a processing circuit 1110 and a transceiver circuit 1120 .
  • the processing circuit 1110 and the transceiver circuit 1120 communicate with each other through an internal connection path, and the processing circuit 1110 is used to execute instructions to control the transceiver circuit 1120 to send signals and/or receive signals.
  • the apparatus 1100 may further include a storage medium 1130, and the storage medium 1130 communicates with the processing circuit 1110 and the transceiver circuit 1120 through an internal connection path.
  • the storage medium 1130 is used for storing instructions, and the processing circuit 1110 can execute the instructions stored in the storage medium 1130 .
  • the apparatus 1100 is configured to implement a process corresponding to the first device in the foregoing method embodiments.
  • the apparatus 1100 is configured to implement a process corresponding to the second device in the foregoing method embodiments.
  • the present application also provides a computer program product, the computer program product including: computer program code, when the computer program code is run on the computer, the computer is made to execute the embodiment shown in FIG. 3 method in .
  • the present application also provides a computer-readable medium, the computer-readable medium stores program code, and when the program code is run on the computer, the computer executes the embodiment shown in FIG. 3 method in .
  • the present application further provides a system, which includes the foregoing one or more stations and one or more access points.
  • At least one of or “at least one of” means all or any combination of the listed items, for example, "at least one of A, B and C", It can be expressed: A exists alone, B exists alone, C exists alone, A and B exist simultaneously, B and C exist simultaneously, and A, B, and C exist simultaneously. "At least one” herein means one or more. "Multiple" means two or more.
  • B corresponding to A means that B is associated with A, and B can be determined according to A.
  • determining B according to A does not mean determining B only according to A, and B may also be determined according to A and/or other information.
  • the terms “including”, “comprising”, “having” and variations thereof mean “including but not limited to”, unless specifically stated otherwise.
  • the disclosed systems, devices and methods may be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components can be combined or May be integrated into another system, or some features may be ignored, or not implemented.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit.
  • the functions described above are realized in the form of software function units and sold or used as independent products, they can be stored in a computer-readable storage medium.
  • the technical solution of the present application is essentially or the part that contributes to the prior art or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (read-only memory, ROM), random access memory (random access memory, RAM), magnetic disk or optical disc and other media that can store program codes. .

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente demande concerne un procédé pour réaliser une détection. Le procédé comprend : la réception, par un premier dispositif, de premières informations en provenance d'un second dispositif, les premières informations étant utilisées pour indiquer que le second dispositif peut fournir des informations de détection correspondant à une première trame, la première trame étant utilisée pour associer un apprentissage de formation de faisceau, ou, la première trame étant utilisée pour une transmission de données, et les informations de détection sont utilisées pour générer un résultat de détection ; l'envoi, par le premier dispositif, d'informations de demande au second dispositif, les informations de demande étant utilisées pour demander les informations de détection ; et la réception, par le premier dispositif, des informations de détection en provenance du second dispositif. De cette manière, une détection peut être réalisée dans un réseau local sans fil.
PCT/CN2023/077185 2022-03-04 2023-02-20 Procédé et appareil pour réaliser une détection WO2023165360A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210211657.7A CN116744359A (zh) 2022-03-04 2022-03-04 一种实现感知的方法和装置
CN202210211657.7 2022-03-04

Publications (1)

Publication Number Publication Date
WO2023165360A1 true WO2023165360A1 (fr) 2023-09-07

Family

ID=87882887

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2023/077185 WO2023165360A1 (fr) 2022-03-04 2023-02-20 Procédé et appareil pour réaliser une détection

Country Status (2)

Country Link
CN (1) CN116744359A (fr)
WO (1) WO2023165360A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210076417A1 (en) * 2019-09-09 2021-03-11 Huawei Technologies Co., Ltd. Systems and methods for sensing in half duplex networks
WO2021251541A1 (fr) * 2020-06-11 2021-12-16 엘지전자 주식회사 Procédé et dispositif destinés à réaliser une détection wi-fi dans un système lan sans fil
WO2021251540A1 (fr) * 2020-06-11 2021-12-16 엘지전자 주식회사 Procédé et appareil de génération d'une ppdu pour exécuter une détection wi-fi dans un système de réseau local sans fil
WO2022033516A1 (fr) * 2020-08-12 2022-02-17 华为技术有限公司 Procédé et appareil de détection

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210076417A1 (en) * 2019-09-09 2021-03-11 Huawei Technologies Co., Ltd. Systems and methods for sensing in half duplex networks
WO2021047284A1 (fr) * 2019-09-09 2021-03-18 Huawei Technologies Co., Ltd. Systèmes et procédés pour la détection dans des réseaux semi-duplex
WO2021251541A1 (fr) * 2020-06-11 2021-12-16 엘지전자 주식회사 Procédé et dispositif destinés à réaliser une détection wi-fi dans un système lan sans fil
WO2021251540A1 (fr) * 2020-06-11 2021-12-16 엘지전자 주식회사 Procédé et appareil de génération d'une ppdu pour exécuter une détection wi-fi dans un système de réseau local sans fil
WO2022033516A1 (fr) * 2020-08-12 2022-02-17 华为技术有限公司 Procédé et appareil de détection

Also Published As

Publication number Publication date
CN116744359A (zh) 2023-09-12

Similar Documents

Publication Publication Date Title
EP3972170B1 (fr) Procédé de communication multi-liaison et dispositif associé
CN107079411B (zh) 用于高低频共站网络的天线的波束对准的方法与装置
US20150382171A1 (en) Long-range device discovery with directional transmissions
US10834740B2 (en) Channel resource scheduling method and apparatus
JP2018509612A (ja) 到来角および離脱角を用いたftmプロトコル
US11463194B2 (en) Information determination method, terminal apparatus, and network apparatus
WO2017219241A1 (fr) Procédé de transmission de signaux, dispositif de réseau, et dispositif terminal
TWI829756B (zh) 一種通訊方法、終端設備和網路設備
US20230058265A1 (en) Technologies for nr coverage enhancement
WO2019158071A1 (fr) Procédé et appareil de transmission de signal
WO2021051364A1 (fr) Procédé, appareil et dispositif de communication
WO2020186532A1 (fr) Procédé de radiocommunication, dispositif terminal et dispositif de réseau
JP2018093482A (ja) 無線通信方法、および無線通信装置
KR20180123496A (ko) 무선 통신 장치 및 무선 통신 방법
WO2021138866A1 (fr) Procédé de détermination d'informations, procédé d'indication d'informations, dispositif terminal et dispositif réseau
WO2019157756A1 (fr) Procédé et dispositif d'émission de signal
WO2023165360A1 (fr) Procédé et appareil pour réaliser une détection
WO2019178790A1 (fr) Procédé et dispositif de transmission de signal
US11277181B2 (en) Beam training method and apparatus
WO2023165408A1 (fr) Procédé de communication et dispositif de communication
WO2023179368A1 (fr) Procédé et dispositif de détection
WO2018105397A1 (fr) Procédé et dispositif de communication sans fil
WO2019178843A1 (fr) Procédé et dispositif de détermination d'un mode de transmission multi-antenne
WO2024093836A1 (fr) Procédé, appareil, et système de communication
WO2024067518A1 (fr) Procédé et appareil de balayage sectoriel

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 23762761

Country of ref document: EP

Kind code of ref document: A1