[go: up one dir, main page]

WO2025092042A1 - Procédé de détection et appareil - Google Patents

Procédé de détection et appareil Download PDF

Info

Publication number
WO2025092042A1
WO2025092042A1 PCT/CN2024/106859 CN2024106859W WO2025092042A1 WO 2025092042 A1 WO2025092042 A1 WO 2025092042A1 CN 2024106859 W CN2024106859 W CN 2024106859W WO 2025092042 A1 WO2025092042 A1 WO 2025092042A1
Authority
WO
WIPO (PCT)
Prior art keywords
communication node
time
perception signal
perception
location
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
PCT/CN2024/106859
Other languages
English (en)
Chinese (zh)
Inventor
周保建
罗嘉金
彭晓辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
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 Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of WO2025092042A1 publication Critical patent/WO2025092042A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Definitions

  • the present application relates to the field of communications, and more specifically, to a sensing method and device.
  • a synthetic aperture is a "virtual" antenna aperture formed by the movement of an antenna.
  • the movement of a satellite can form a synthetic aperture, thereby obtaining an extremely high spatial resolution.
  • the satellite and ground nodes can jointly perceive the target object based on navigation signals or communication signals. Specifically, the echo signal of the navigation signal or communication signal sent by the satellite after being acted upon by the target object is received by the ground node, thereby realizing the perception of the target object.
  • the use of navigation signals or communication signals for the joint perception of the target object by the satellite and the ground node does not require additional time-frequency resources, but the perception performance cannot be guaranteed.
  • the embodiments of the present application provide a perception method and device, which can improve resource utilization.
  • a perception method is provided, which can be executed by a first communication node deployed on a satellite, or by a component of the first communication node, such as a processor, a chip, or a chip system of the first communication node, or by a logic module or software that can implement all or part of the functions of the first communication node.
  • the method includes: the first communication node determines a location or time at which the first communication node sends or receives a perception signal; the first communication node sends first indication information, and the first indication information is used to indicate a location or time at which the perception signal is sent or received.
  • the first communication node determines the position or time at which the first communication node sends or receives a perception signal, and indicates the position or time at which the perception signal is sent or received to the second communication node through the first indication information, so that the second communication node sends or receives the perception signal according to the position or time at which the first communication node sends or receives the perception signal. Since the scheme enables the first communication node and the second communication node to align the position or time at which the first communication node sends or receives the perception signal, the problem of low resource utilization caused by long duration or long interval of the perception signal can be solved, thereby improving resource utilization.
  • the perception method provided in the embodiment of the present application further includes: the first communication node receives a first request message, where the first request message is used to request a location or time for sending or receiving a perception signal.
  • This solution enables the first communication node to determine a location or time for sending or receiving a perception signal based on the triggering of the first request message.
  • the first request message includes at least one of the following: location information of the second communication node, a sensing area, and a synthetic aperture condition corresponding to the satellite.
  • the synthetic aperture condition includes at least one of the following: a synthetic aperture size condition, a synthetic aperture virtual array element number condition, a synthetic aperture direction condition, and a synthetic aperture viewing angle condition.
  • the perception method provided in the embodiment of the present application further includes: the first communication node sends a perception signal at the location or time where the perception signal is sent, wherein the location or time where the perception signal is sent is determined according to the motion trajectory of the satellite.
  • This solution can enable the first communication node to send the perception signal at the location or time where the perception signal is sent, and the second communication node can receive the perception signal according to the location or time where the first communication node sends the perception signal, and then use the perception signal to perceive the target object.
  • the sensing method provided in the embodiment of the present application further includes: the first communication node receives the sensing signal at the location or time where the sensing signal is received, wherein the location or time where the sensing signal is received is determined according to the motion trajectory of the satellite.
  • This solution can enable the second communication node to send the sensing signal according to the location or time where the first communication node receives the sensing signal.
  • the first communication node may receive the perception signal at the location or time where the perception signal is received, and then use the perception signal to perceive the target object.
  • a perception method is provided, which can be executed by a second communication node, or by a component of the second communication node, such as a processor, a chip, or a chip system of the second communication node, or by a logic module or software that can implement all or part of the functions of the second communication node.
  • the method includes: the second communication node receives first indication information, the first indication information is used to indicate the position or time at which the first communication node deployed on the satellite sends or receives a perception signal; the second communication node sends or receives the perception signal according to the position or time at which the perception signal is sent or received.
  • the first communication node determines the position or time at which the first communication node sends or receives a perception signal, and indicates the position or time at which the perception signal is sent or received to the second communication node through the first indication information, so that the second communication node sends or receives the perception signal according to the position or time at which the first communication node sends or receives the perception signal. Since the scheme enables the first communication node and the second communication node to align the position or time at which the first communication node sends or receives the perception signal, the problem of low resource utilization caused by long duration or long interval of the perception signal can be solved, thereby improving resource utilization.
  • the perception method provided in the embodiment of the present application further includes: the second communication node sends a first request message, where the first request message is used to request a location or time for sending or receiving a perception signal.
  • the first communication node sends a first request message, where the first request message is used to request a location or time for sending or receiving a perception signal.
  • the first request message includes at least one of the following information: location information of the second communication node, a sensing area, and a synthetic aperture condition corresponding to the satellite.
  • the synthetic aperture condition includes at least one of the following: a synthetic aperture size condition, a synthetic aperture virtual array element number condition, a synthetic aperture direction condition, and a synthetic aperture viewing angle condition.
  • the location of sending or receiving the perception signal indicated by the first indication information is multiple locations or multiple times;
  • the perception method provided in the embodiment of the present application also includes: the second communication node sends a first collaboration request to the third communication node, the first collaboration request is used to instruct the third communication node to perform joint perception at a first location or a first time, wherein the first location is one of the multiple locations, and the first time is one of the multiple times;
  • the second communication node receives a first collaboration response from the third communication node;
  • the second communication node sends or receives the perception signal according to the location or time of sending or receiving the perception signal, including: the second communication node sends or receives the perception signal according to the first location or the first time.
  • This solution can enable the second communication node and the third communication node to perform joint perception according to the first location among the multiple locations or the first time among the multiple times, which can enhance the coverage of the perception signal and improve the accuracy of the perception result.
  • the location of sending or receiving the perception signal indicated by the first indication information is multiple locations or multiple times; the method also includes: the second communication node receives a second collaboration request from the third communication node, the second collaboration request is used to instruct the second communication node to perform joint perception according to the first location or the first time, wherein the first location is one of the multiple locations, and the first time is one of the multiple times; the second communication node sends a second collaboration response to the third communication node; the second communication node sends or receives the perception signal according to the location or time of sending or receiving the perception signal, including: the second communication node sends or receives the perception signal according to the first location or the first time.
  • This solution can enable the second communication node and the third communication node to perform joint perception according to the first location among the multiple locations or the first time among the multiple times, which can enhance the coverage of the perception signal and improve the accuracy of the perception result.
  • a communication device comprising: a processing module for determining a location or time at which the communication device sends or receives a perception signal; and a transceiver module for sending first indication information, wherein the first indication information is used to indicate a location or time at which the perception signal is sent or received.
  • the transceiver module is further used to receive a first request message, where the first request message is used to request the location or time of sending or receiving the perception signal.
  • the first request message includes at least one of the following: location information of the second communication node, the sensing area, and the synthetic aperture condition corresponding to the satellite.
  • the synthetic aperture condition includes at least one of the following: a synthetic aperture size condition, a synthetic aperture virtual array element number condition, a synthetic aperture direction condition, and a satellite to sensing area viewing angle condition.
  • the processing module is further used to control the transceiver module to send the perception signal at a location or time where the perception signal is sent, wherein the location or time where the perception signal is sent is determined based on a motion trajectory of the satellite.
  • the processing module is further used to control the transceiver module to receive the perception signal at the position or time of receiving the perception signal, wherein the position or time of receiving the perception signal is determined according to the motion trajectory of the satellite.
  • a communication device including: a transceiver module for receiving first indication information, the first indication information being used to indicate a position or time at which a first communication node deployed on a satellite sends or receives a perception signal; and a processing module for controlling the transceiver module to send or receive a perception signal according to the position or time at which the perception signal is sent or received.
  • the transceiver module is further used to send a first request message, where the first request message is used to request the location or time of sending or receiving the perception signal.
  • the first request message includes at least one of the following information: location information of the second communication node, the sensing area, and the synthetic aperture condition corresponding to the satellite.
  • the synthetic aperture condition includes at least one of the following: a synthetic aperture size condition, a synthetic aperture virtual array element number condition, a synthetic aperture direction condition, and a satellite to sensing area viewing angle condition.
  • the location for sending or receiving the perception signal indicated by the first indication information is multiple locations or multiple times; the transceiver module is also used to send a first collaboration request to the third communication node, and the first collaboration request is used to instruct the third communication node to perform joint perception at a first location or a first time, wherein the first location is one of the multiple locations, and the first time is one of the multiple times; the transceiver module is also used to receive a first collaboration response from the third communication node; the processing module is also used to control the transceiver module to send or receive the perception signal according to the location or time of sending or receiving the perception signal, including: the processing module is also used to control the transceiver module to send or receive the perception signal according to the first location or the first time.
  • the location for sending or receiving the perception signal indicated by the first indication information is multiple locations or multiple times; the transceiver module is also used to receive a second collaboration request from a third communication node, and the second collaboration request is used to instruct the second communication node to perform joint perception according to the first location or the first time, wherein the first location is one of the multiple locations, and the first time is one of the multiple times; the transceiver module is also used to send a second collaboration response to the third communication node; the processing module is also used to control the transceiver module to send or receive the perception signal according to the location or time of sending or receiving the perception signal, including: the processing module is also used to control the transceiver module to send or receive the perception signal according to the first location or the first time.
  • a communication device for implementing the above-mentioned various methods.
  • the communication device may be the first communication node in the first aspect, or a device included in the first communication node, such as a chip; or the communication device may be the second communication node in the second aspect, or a device included in the second communication node, such as a chip.
  • the communication device includes a module, unit, or means corresponding to the above method, which can be implemented by hardware, software, or by hardware executing corresponding software.
  • the hardware or software includes one or more modules or units corresponding to the above functions.
  • the communication device may include a processing module and a communication module.
  • the communication module may include an output module (or a sending module) and an input module (or a receiving module), respectively used to implement the output-type (or sending-type) and input-type (or receiving-type) functions in any of the above aspects and any possible designs thereof.
  • the processing module may be used to implement the processing functions in any of the above aspects and any possible designs thereof.
  • the communication device further comprises a storage module for storing program instructions and data.
  • a communication device comprising: at least one processor, the processor being used to run a computer program or instruction, or being used to enable the communication device to perform any of the above methods through a logic circuit.
  • the communication device may be the first communication node in the first aspect, or a device included in the first communication node, such as a chip; or the communication device may be the second communication node in the second aspect, or a device included in the second communication node, such as a chip.
  • the communication device further includes a memory for storing computer instructions and/or configuration files of logic circuits.
  • the memory is integrated with the processor, or the memory is independent of the processor.
  • the communication device further includes a communication interface for inputting and/or outputting signals.
  • the communication interface is an interface circuit for reading and writing computer instructions.
  • the interface circuit is used to receive computer execution instructions (computer execution instructions are stored in a memory, may be read directly from the memory, or may pass through other devices) and transmit them to the processor.
  • the communication interface is used to communicate with modules outside the communication device.
  • the communication device may be a chip system.
  • the chip system may include a chip, or may include a chip and other discrete devices.
  • a communication device comprising: a logic circuit and an interface circuit; the interface circuit is used to input information and/or output information; the logic circuit is used to execute the method of any of the above aspects, and process and/or generate output information according to the input information.
  • the communication device can be the first communication node in the first aspect, or a device included in the first communication node, such as a chip; or the communication device can be the second communication node in the second aspect, or a device included in the second communication node, such as a chip.
  • the communication device provided in any one of the fifth to seventh aspects is a chip
  • the above-mentioned sending action/function can be understood as output information
  • the above-mentioned receiving action/function can be understood as input information.
  • a computer-readable storage medium in which a computer program or instruction is stored.
  • the computer program or instruction is executed by a processor, the method of any of the above aspects is executed.
  • a computer program product which, when executed by a processor, enables the method of any of the above aspects to be executed.
  • a communication device which includes a module/unit for executing the method of the first aspect or the second aspect.
  • a communication system which includes the first communication node described in the first aspect and the second communication node described in the second aspect.
  • the communication system also includes the third communication node described in the second aspect above.
  • the technical effects brought about by any design method in the third aspect to the eleventh aspect can refer to the technical effects brought about by different design methods in the above-mentioned first aspect or second aspect, and will not be repeated here.
  • FIG1 is a schematic diagram of a communication system provided in an embodiment of the present application.
  • FIG2A is a schematic diagram of scenario 1 provided in an embodiment of the present application.
  • FIG2B is a schematic diagram of scenario 2 provided in an embodiment of the present application.
  • FIG2C is a schematic diagram of scenario three provided in an embodiment of the present application.
  • FIG2D is a schematic diagram of scenario 4 provided in an embodiment of the present application.
  • FIG3 is a schematic diagram of a communication device 300 provided in an embodiment of the present application.
  • FIG4 is a schematic diagram of an example of a sensing method provided in an embodiment of the present application.
  • FIG6 is a schematic diagram of another example of a sensing method provided in an embodiment of the present application.
  • FIG7 is a schematic diagram of another example of a sensing method provided in an embodiment of the present application.
  • FIG8 is a schematic diagram of a communication device provided in an embodiment of the present application.
  • plural means two or more than two.
  • At least one of the following or similar expressions refers to any combination of these items, including any combination of single items or plural items.
  • at least one of a, b and/or c can be represented by: a, b, c, a-b, a-c, b-c, or a-b-c, where a, b, c can be single or plural.
  • words such as “first” and “second” are used to distinguish the same items or similar items with substantially the same functions and effects. Those skilled in the art can understand that words such as “first” and “second” do not limit the quantity and execution order, and words such as “first” and “second” do not necessarily limit the difference.
  • the words “exemplary” or “for example” are used to indicate examples, illustrations or descriptions. Any embodiment or design described as “exemplary” or “for example” in the embodiments should not be interpreted as being more preferred or more advantageous than other embodiments or designs. Specifically, the use of words such as “exemplary” or “for example” is intended to present related concepts in a specific manner for ease of understanding.
  • Antenna aperture refers to the size of the antenna's physical dimensions. For example, for a 1m long uniform linear array antenna, its aperture size is 1m. When using an antenna for angle measurement, the larger the antenna's aperture, the higher its angle resolution, and the corresponding spatial resolution.
  • a synthetic aperture is a "virtual" antenna aperture formed by antenna movement or multiple antennas.
  • the synthetic aperture is usually much larger than the physical size of the antenna, so it can achieve extremely high spatial resolution.
  • Satellite orbits are divided into three categories: low earth orbit (LEO) orbit, medium earth orbit (MEO) orbit and geostationary earth orbit satellite (GSO).
  • LEO low earth orbit
  • MEO medium earth orbit
  • GSO geostationary earth orbit satellite
  • the movement of satellites can form a synthetic aperture, thus achieving extremely high spatial resolution.
  • the movement of satellites is not affected by road bumps, air flow disturbances, and mechanical vibrations, thus ensuring the high stability of their orbits. This allows the synthetic aperture formed by satellite movement to provide more ideal signal quality.
  • the satellite Since the satellite is far from the ground, to obtain high spatial resolution, the satellite needs to move a long distance to form a large synthetic aperture.
  • a synthetic aperture of about 15km needs to be formed. Since the linear speed of the LEO satellite is about 7-8km/s, the signal transmission time span within the entire synthetic aperture is about 2s. If 150 points are sampled and the sampling space interval is about 100m, the maximum sampling time interval is about 13ms.
  • FIG1 is a schematic diagram of a system architecture provided in an embodiment of the present application.
  • the communication system mainly includes: a first communication node and a second communication node.
  • the communication system may also include at least one other communication node, and the system architecture provided in an embodiment of the present application takes at least one other communication node as a third communication node and a fourth communication node as an example.
  • the first communication node is an entity that sends or receives signals and is used to communicate with the second communication node, the third communication node, and the fourth communication node.
  • the second communication node is an entity that sends or receives signals and is used to communicate with the first communication node, the third communication node, and the fourth communication node.
  • the third communication node is an entity that sends or receives signals and is used to communicate with the first communication node, the second communication node, and the fourth communication node.
  • the fourth communication node is an entity that sends or receives signals and is used to communicate with the first communication node, the second communication node, and the third communication node.
  • Scenario 1 As shown in FIG. 2A , the first communication node sends a perception signal to the target object, and the second communication node, or the third communication node, or the fourth communication node receives an echo signal of the perception signal after being acted upon by the target object.
  • Scenario 2 As shown in FIG. 2B , the second communication node, or the third communication node, or the fourth communication node sends a perception signal to the target object, and the first communication node receives an echo signal of the perception signal after being acted upon by the target object.
  • Scenario three as shown in FIG2C , the first communication node sends a perception signal to the target object, and the second communication node, the third communication node, and the fourth communication node respectively receive echo signals of the perception signal after being acted upon by the target object.
  • Scenario 4 As shown in FIG. 2D , the second communication node, the third communication node, and the fourth communication node respectively send perception signals to the target object, and the first communication node receives multiple echo signals of the perception signals after being acted upon by the target object.
  • the mechanism of action of the target object includes: reflection, diffraction, scattering, etc., which is not limited in the embodiment of the present application.
  • the first communication node is deployed on a satellite; the second communication node, the third communication node, and the third communication node can be deployed at any location far away from the first communication node, for example, on a satellite, on the ground, or at sea.
  • the satellite involved in the embodiments of the present application may be a communication satellite, a remote sensing satellite, or a navigation satellite, or may be a satellite-like device such as a communication drone or a communication hot air balloon, and the embodiments of the present application are not limited to this.
  • the above-mentioned communication node (the first communication node, or the second communication node, or the third communication node, or the fourth communication node) deployed on the satellite can be a network device or a terminal device;
  • the above-mentioned communication node (the second communication node, or the third communication node, or the fourth communication node) deployed on the ground can be a network device, an access point, a car, a terminal device, a drone, and an Internet of Things (IoT) device, which is not limited in the embodiments of the present application;
  • the above-mentioned communication node (the first communication node, or the second communication node, or the third communication node) deployed at sea can be an offshore network device, an access point, a terminal device, a drone, and an IoT device, which is not limited in the embodiments of the present application.
  • the embodiments of the present application can be applied to the fifth generation mobile communication technology (5th generation, 5G), or to other communication systems, such as the future sixth generation mobile communication technology (6th generation, 6G), or can be applied to a non-terrestrial network (NTN) system, which is not specifically limited by the embodiments of the present application.
  • 5G fifth generation mobile communication technology
  • 6G future sixth generation mobile communication technology
  • NTN non-terrestrial network
  • the terminal equipment involved in the present application may be a user equipment (UE), access terminal, terminal unit, user station, terminal station, mobile station, mobile station, remote station, remote terminal, user terminal terminal equipment, TE), mobile device, wireless communication device, terminal agent, tablet computer (pad), handheld device with wireless communication function, computing device or other processing device connected to a wireless modem, vehicle-mounted equipment, vehicle-mounted transceiver unit, wearable device, or terminal device in a 5G network or a public land mobile network (PLMN) evolved after 5G.
  • UE user equipment
  • PLMN public land mobile network
  • the access terminal may be a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA) A), handheld devices with wireless communication capabilities, computing devices or other processing devices connected to a wireless modem, road third vehicle equipment, drones, robots, smart point of sale (POS) machines, customer-premises equipment (CPE) or wearable devices, virtual reality (VR) terminal equipment, augmented reality (AR) terminal equipment, wireless terminals in industrial control, wireless terminals in self driving, wireless terminals in remote medical, wireless terminals in smart grid, wireless terminals in transportation safety, wireless terminals in smart city, wireless terminals in smart home, etc.
  • SIP session initiation protocol
  • WLL wireless local loop
  • PDA personal digital assistant
  • handheld devices with wireless communication capabilities computing devices or other processing devices connected to a wireless modem, road third vehicle equipment, drones, robots, smart point of sale (POS) machines, customer-premises equipment (CPE) or wearable devices, virtual reality
  • the terminal may be a terminal with communication functions in IoT, such as a terminal in vehicle to X (V2X) (e.g., a vehicle networking device), a terminal in device to device (D2D) communication, or a terminal in machine to machine (M2M) communication.
  • V2X vehicle to X
  • D2D device to device
  • M2M machine to machine
  • the terminal may be mobile or fixed. It should be understood that the terminal device is deployed on land, on a satellite, or at sea, and should be a terminal device that is adapted to the application scenario. For example, if the terminal device is deployed at sea, the possibility that the terminal device is a vehicle-mounted device is low, and the embodiments of the present application will not be listed one by one.
  • the network device involved in the present application may be a device for communicating with a terminal device, for example, it may include an evolved base station (NodeB or eNB or e-NodeB, evolutionary Node B) in an LTE system or an LTE-A system, such as a traditional macro base station eNB and a micro base station eNB in a heterogeneous network scenario.
  • a next generation node B next generation node B (next generation node B, gNB) in an NR system.
  • TRP transmission reception point
  • a home base station e.g., home evolved NodeB, or home Node B, HNB
  • BBU base band unit
  • BBU pool base band pool
  • WiFi wireless fidelity
  • AP wireless fidelity
  • AP wireless fidelity
  • a base station in a non-terrestrial network (NTN) that is, it may be deployed on a flying platform or a satellite.
  • NTN non-terrestrial network
  • the network device may be used as a layer 1 (L1) relay, or as a base station, or as an integrated access and backhaul (IAB) node.
  • L1 layer 1
  • IAB integrated access and backhaul
  • the network device may be a device that implements a base station function in IoT, such as a device that implements a base station function in drone communications, V2X, D2D, or machine to machine (M2M).
  • the network device is deployed on land, on a satellite, or at sea, and should be a network device that is adapted to the application scenario, and the embodiments of the present application will not be listed one by one.
  • the network equipment may also be a module or unit that can implement some functions of the base station.
  • the access network equipment may be a central unit (CU), a distributed unit (DU), a CU-control plane (CP), a CU-user plane (UP), or a radio unit (RU).
  • the CU and DU may be set separately, or may be included in the same network element, such as a baseband unit (BBU).
  • BBU baseband unit
  • the RU may be included in a radio frequency device or radio unit, such as a remote radio unit (RRU), an active antenna unit (AAU), or a remote radio head (RRH).
  • RRU remote radio unit
  • AAU active antenna unit
  • RRH remote radio head
  • the access network device may be a network device or a module of a network device in an open radio access network (open RAN, ORAN) system.
  • ORAN open radio access network
  • CU may also be referred to as open (open, O)-CU
  • DU may also be referred to as O-DU
  • CU-CP may also be referred to as O-CU-CP
  • CU-UP may also be referred to as O-CU-UP
  • RU may also be referred to as O-RU.
  • Any of the CU (or CU-CP, CU-UP), DU and RU in this application may be implemented by a software module, a hardware module, or a combination of a software module and a hardware module.
  • the base station in the embodiments of the present application may include various forms of base stations, such as: macro base stations, micro base stations (also called small stations), relay stations, access points, home base stations, transmitting points (TP), mobile switching centers, etc., and the embodiments of the present application do not make specific limitations on this.
  • macro base stations such as: macro base stations, micro base stations (also called small stations), relay stations, access points, home base stations, transmitting points (TP), mobile switching centers, etc.
  • TP transmitting points
  • the communication system described in the embodiment of the present application is for the purpose of more clearly illustrating the technical solution of the embodiment of the present application, and does not constitute a limitation on the technical solution provided in the embodiment of the present application.
  • a person of ordinary skill in the art can know that with the evolution of network architecture and the emergence of new business scenarios, the technical solution provided in the embodiment of the present application is also applicable to similar technical problems.
  • the relevant functions of the first communication node, the second communication node, the third communication node and the fourth communication node involved in the present application can be implemented by one device, or by multiple devices together, or by one or more functional modules within a device, or can be one or more chips, or a system on chip (system on chip, SOC) or a chip system.
  • the chip system can be composed of chips, or can include chips and other discrete devices, and the embodiments of the present application do not specifically limit this.
  • the above functions can be network elements in hardware devices, software functions running on dedicated hardware, or a combination of hardware and software, or virtualized functions instantiated on a platform (e.g., a cloud platform).
  • a platform e.g., a cloud platform
  • Figure 3 is a schematic diagram of the structure of the communication device 300 provided in an embodiment of the present application.
  • the communication device 300 includes one or more processors 301, a communication line 302, and at least one communication interface (Figure 3 is only exemplary to include a communication interface 304 and a processor 301 as an example for explanation), and optionally may also include a memory 303.
  • Processor 301 can be a general-purpose central processing unit (CPU), a microprocessor, an application-specific integrated circuit (ASIC), or one or more integrated circuits for controlling the execution of the program of the present application.
  • CPU central processing unit
  • ASIC application-specific integrated circuit
  • the communication line 302 may include a path for connecting different components.
  • the communication interface 304 may be a transceiver module for communicating with other devices or communication networks, such as Ethernet, RAN, wireless local area networks (WLAN), etc.
  • the transceiver module may be a device such as a transceiver or a transceiver.
  • the communication interface 304 may also be a transceiver circuit located in the processor 301 to implement signal input and signal output of the processor.
  • the memory 303 may be a device having a storage function.
  • it may be a read-only memory (ROM).
  • ROM read-only memory
  • RAM random access memory
  • EEPROM electrically erasable programmable read-only memory
  • CD-ROM compact disc read-only memory
  • optical disc storage including compressed optical disc, laser disc, optical disc, digital versatile disc, Blu-ray disc, etc.
  • magnetic disk storage medium or other magnetic storage device or any other medium that can be used to carry or store the desired program code in the form of instructions or data structures and can be accessed by the computer, but not limited to this.
  • the memory can be independent and connected to the processor through the communication line 302.
  • the memory can also be integrated with the processor.
  • the memory 303 is used to store computer-executable instructions for executing the solution of the present application, and the execution is controlled by the processor 301.
  • the processor 301 is used to execute the computer-executable instructions stored in the memory 303, thereby implementing the sensing beam sending or receiving method provided in the embodiment of the present application.
  • the processor 301 may also perform processing-related functions in the perception method provided in the following embodiments of the present application, and the communication interface 304 is responsible for communicating with other devices or communication networks, which is not specifically limited in the embodiments of the present application.
  • the computer-executable instructions in the embodiments of the present application may also be referred to as application code, which is not specifically limited in the embodiments of the present application.
  • the processor 301 may include one or more CPUs, such as CPU0 and CPU1 in FIG. 3 .
  • the communication device 300 may include multiple processors, such as the processor 301 and the processor 307 in FIG3 .
  • processors may be a single-core processor or a multi-core processor.
  • the processors here may include but are not limited to at least one of the following: a central processing unit (CPU), a microprocessor, a digital signal processor (DSP), a microcontroller (MCU), or an artificial intelligence processor, etc., and each computing device may include one or more cores for executing software instructions to perform calculations or processing.
  • the communication device 300 may also include an output device 305 and an input device 306.
  • the output device 305 communicates with the processor 301 and may display information in a variety of ways.
  • the output device 305 may be a liquid crystal display (LCD), a light emitting diode (LED) display device, a cathode ray tube (CRT) display device, or a projector.
  • the input device 306 communicates with the processor 301 and may receive user input in a variety of ways.
  • the input device 306 may be a mouse, a keyboard, a touch screen device, or a sensor device.
  • the above-mentioned communication device 300 may sometimes also be referred to as a communication apparatus, which may be a general-purpose device or a special-purpose device.
  • the communication device 300 may be a desktop computer, a portable computer, a network server, a PDA (personal digital assistant), a mobile phone, a tablet computer, a wireless terminal device, an embedded device, the above-mentioned terminal, the above-mentioned network device, or a device having a similar structure as shown in FIG. 3.
  • the embodiment of the present application does not limit the type of the communication device 300.
  • composition structure shown in FIG3 does not constitute a limitation on the communication device.
  • the communication device may include more or fewer components than shown in the figure, or combine certain components, or arrange the components differently.
  • the message names between network elements, the names of parameters, or the names of information are only examples. In other embodiments, they may also be other names, and the perception method provided in the present application does not make specific limitations on this.
  • each network element may perform some or all of the steps in the embodiment of the present application, and these steps or operations are only examples.
  • the embodiment of the present application may also perform other operations or variations of various operations.
  • each step may be performed in a different order presented in the embodiment of the present application, and it is possible that not all operations in the embodiment of the present application need to be performed.
  • FIG4 is a schematic diagram of an example of a perception method provided by an embodiment of the present application.
  • the method is described by taking the interaction between the first communication node and the second communication node as an example.
  • the subject that executes the action of the first communication node in the method can also be a device/module in the first communication node, such as a chip, processor, processing unit, etc. in the first communication node;
  • the subject of the operation may also be a device/module in the second communication node, such as a chip, processor, processing unit, etc. in the second communication node, which is not specifically limited in the embodiments of the present application.
  • the processing performed by a single execution subject in the embodiments of the present application may also be divided into multiple execution subjects, which may be logically and/or physically separated.
  • the processing performed by the network device may be divided into at least one of a CU, a DU, and a RU; for another example, the processing performed by the network device may be divided into at least one of an O-CU (O-CU-CP in the O-CU or O-CU-UP in the O-CU), an O-DU, and an O-RU in the ORAN system.
  • the perception method 400 provided in the embodiments of the present application includes:
  • the first communication node determines a location or time at which the first communication node sends a perception signal.
  • the first communication node is deployed on a satellite, and the position of the first communication node may be the position of the satellite, and the position of the satellite is the three-dimensional coordinates (x, y, z) of the satellite in the coordinate system.
  • the three-dimensional coordinate system may be the World Geodetic System 1984 (WGS84) coordinate system, which is used by the Global Positioning System (GPS); or, exemplary, the three-dimensional coordinate system may be the China Geodetic Coordinate System 2000 (CGCS2000, which is used by the BeiDou system; or, the three-dimensional coordinate system may be other coordinate systems, which is not limited in the embodiments of the present application.
  • WSS84 World Geodetic System 1984
  • GPS Global Positioning System
  • CGCS2000 China Geodetic Coordinate System 2000
  • BeiDou system BeiDou system
  • the three-dimensional coordinate system may be other coordinate systems, which is not limited in the embodiments of the present application.
  • the time may be an absolute time, for example, a timestamp, which may be, for example, the time measured in an atomic clock, or the time measured in other ways; or, the time may be a relative time, for example, the number of a time unit, which may be, for example, a frame, or a subframe, or a time slot, or a symbol, or other time units, which is not limited in the embodiment of the present application.
  • the position or time at which the first communication node sends the perception signal is determined based on the motion trajectory of the satellite on which the first communication node is deployed, wherein the motion trajectory of the satellite can be determined based on the satellite ephemeris.
  • the first communication node sends first indication information to the second communication node.
  • the second communication node receives the first indication information from the first communication node.
  • the first indication information is used to indicate the position or time at which the first communication node sends a perception signal. For example, if the first indication information indicates the three-dimensional coordinates (a, b, c), it means that the first communication node will send a perception signal when the satellite moves to the three-dimensional coordinates (a, b, c); for another example, if the first indication information indicates that the frame number is m, it means that the first communication node will send a perception signal on a frame numbered m.
  • the first communication node sends a perception signal at a location or time where the perception signal is sent.
  • the second communication node receives the perception signal according to the location or time where the first communication node sends the perception signal.
  • the second communication node when the first indication information is used to indicate the location where the first communication node sends the perception signal, the second communication node needs to determine the time for sending the perception signal corresponding to the location where the first communication node sends the perception signal based on the location where the first communication node sends the perception signal and the satellite ephemeris.
  • the second communication node needs to determine the propagation delay of the perception signal, that is, the first indication information indicates the position or time when the first communication node actually sends the perception signal, and the time when the second communication node receives the perception signal can be the time obtained by adding the propagation delay of the perception signal to the time corresponding to the position where the first communication node sends the perception signal, or the time when the second communication node receives the perception signal can also be the time obtained by adding the propagation delay of the perception signal to the time when the first communication node sends the perception signal.
  • the propagation delay of the perception signal is the delay of the perception signal from the first communication node to the target object and then to the second communication node after being acted upon by the target object.
  • the propagation delay of the perception signal is 13ms
  • the time of sending the perception signal corresponding to the position where the first communication node sends the perception signal or the time when the first communication node sends the perception signal is 20ms
  • the second communication node receives the perception signal at 33ms.
  • the perception signal received by the second communication node is an echo signal of the perception signal sent by the first communication node after being acted upon by the target object.
  • the first indication information indicates the time when the first communication node sends the perception signal after taking into account the propagation delay of the perception signal, that is, the first indication information indicates the time when the second communication node receives the perception signal.
  • the first communication node determines to send the perception signal at time 1, then the first indication information indicates that the time at which the first communication node sends the perception signal is the time obtained by adding the propagation delay of the perception signal to time 1; for example, the first communication node determines to send the perception signal at 20 ms, and the propagation delay of the perception signal is 13 ms, then the first indication information indicates that the first communication node takes into account
  • the time for sending the perception signal after the propagation delay of the perception signal is 33 ms, that is, the first indication information indicates that the time for the second communication node to receive the perception signal is 33 ms.
  • the first communication node determines the position or time at which the first communication node sends a perception signal, and indicates the position or time at which the perception signal is sent to the second communication node through the first indication information, so that the second communication node receives the perception signal according to the position or time at which the first communication node sends the perception signal. Since the scheme enables the first communication node and the second communication node to align the position or time at which the first communication node sends the perception signal, the problem of low resource utilization caused by the long duration or long interval of the perception signal can be solved, thereby improving resource utilization.
  • the sensing method provided in the embodiment of the present application further includes:
  • a second communication node sends a first request message to a first communication node.
  • the first communication node receives the first request message from the second communication node.
  • the first request message is used to request the first communication node to send a sensing signal at a location or time.
  • the first request message may include at least one of the following: location information of the second communication node, a sensing area, and a synthetic aperture condition corresponding to a satellite on which the first communication node is deployed. It should be understood that when the second communication node is deployed on a satellite, the location of the second communication node can refer to the relevant description of the satellite location in step S410, which will not be repeated here.
  • the synthetic aperture condition corresponding to the satellite on which the first communication node is deployed includes at least one of the following: a synthetic aperture size condition, a synthetic aperture virtual array element number condition, a synthetic aperture direction condition, and a synthetic aperture viewing angle condition.
  • the size condition of the synthetic aperture is a threshold condition that the size of the synthetic aperture needs to satisfy, that is, the length of the path of the synthetic aperture formed by the first communication node through movement needs to satisfy the threshold condition.
  • the size of the synthetic aperture is not less than 1 km, or the size of the synthetic aperture is between 1 km and 2 km.
  • the condition for the number of virtual array elements of the synthetic aperture is a threshold condition that the number of virtual array elements of the synthetic aperture needs to satisfy, that is, the threshold condition that the number of positions at which the first communication node sends or receives a signal in the process of forming the synthetic aperture needs to satisfy.
  • the number of virtual array elements of the synthetic aperture is not less than 100, or the number of virtual array elements of the synthetic aperture is between 100 and 200.
  • the direction condition of the synthetic aperture refers to the angle condition that the direction vector corresponding to the line segment corresponding to the synthetic aperture formed by the first communication node needs to satisfy.
  • the direction of the synthetic aperture satisfies the azimuth angle between -10 degrees and +10 degrees and the elevation angle between -10 degrees and -20 degrees.
  • the viewing angle condition from the synthetic aperture to the perception area is the angle condition that the direction vector corresponding to the line from the center of the synthetic aperture to the perception area needs to meet.
  • the viewing angle from the synthetic aperture to the perception area meets the azimuth angle between 80 degrees and 100 degrees and the pitch angle between -30 degrees and -45 degrees.
  • the position information of the second communication node is used to determine the perception resolution of the perception signal; the perception area is used to determine the viewing angle condition of the synthetic aperture; optionally, the perception area is also used to determine the angle of the beam carrying the perception signal, so that the beam carrying the perception signal can be aligned with the perception area, resulting in a better perception effect.
  • the first communication node can determine the location or time at which the first communication node sends the perception signal based on the above-mentioned first request message and the motion trajectory of the satellite on which the first communication node is deployed.
  • Figure 5 is a schematic diagram of another example of a perception method provided in an embodiment of the present application.
  • the method is illustrated by taking the interaction between the first communication node and the second communication node as an example.
  • the subject that executes the action of the first communication node in the method can also be a device/module in the first communication node, such as a chip, a processor, a processing unit, etc. in the first communication node;
  • the subject that executes the action of the second communication node in the method can also be a device/module in the second communication node, such as a chip, a processor, a processing unit, etc. in the second communication node, and the embodiment of the present application does not specifically limit this.
  • the processing performed by a single execution subject (for example, a first communication node or a second communication node) in the embodiment of the present application can also be divided into execution by multiple execution subjects, and these execution subjects can be logically and/or physically separated.
  • the processing performed by the network device can be divided into execution by at least one of CU, DU and RU; for another example, the processing performed by the network device can be divided into execution by at least one of O-CU (O-CU-CP in O-CU or O-CU-UP in O-CU), O-DU and O-RU in the ORAN system.
  • the sensing method 500 provided in the embodiment of the present application includes:
  • the first communication node determines a location or time at which the first communication node receives a perception signal.
  • step S410 for the description of the location or time at which the first communication node receives the perception signal, refer to step The relevant description in S410 is not repeated here.
  • the first communication node sends first indication information to the second communication node.
  • the second communication node receives the first indication information from the first communication node.
  • the first indication information is used to indicate the location or time at which the first communication node receives the perception signal.
  • first indication information being used to indicate the location or time at which the first communication node receives the perception signal, reference can be made to the relevant description of the first indication information being used to indicate the location or time at which the first communication node sends the perception signal in step S420, which will not be repeated here.
  • the second communication node sends a perception signal according to the position or time at which the first communication node receives the perception signal.
  • the first communication node receives the perception signal at the position or time at which the first communication node receives the perception signal.
  • the second communication node when the first indication information is used to indicate the position at which the first communication node receives the perception signal, the second communication node needs to determine the time of receiving the perception signal corresponding to the position at which the first communication node receives the perception signal based on the position at which the first communication node receives the perception signal and the satellite ephemeris.
  • the second communication node needs to determine the propagation delay of the perception signal, that is, the first indication information indicates the position or time at which the first communication node actually receives the perception signal, and the time when the second communication node sends the perception signal can be the time obtained by subtracting the propagation delay of the perception signal from the time when the first communication node receives the perception signal corresponding to the position at which the first communication node receives the perception signal, or the time when the second communication node sends the perception signal can also be the time obtained by subtracting the propagation delay of the perception signal from the time when the first communication node receives the perception signal.
  • the propagation delay of the perception signal is the delay of the perception signal from the second communication node to the target object and then to the first communication node after being acted upon by the target object.
  • the propagation delay of the perception signal is 13ms
  • the time of receiving the perception signal corresponding to the position where the first communication node receives the perception signal or the time when the first node receives the perception signal is 40ms
  • the second communication node sends the perception signal at 27ms.
  • the perception signal received by the first communication node is an echo signal of the perception signal sent by the second communication node after being acted upon by the target object.
  • the first indication information indicates the time when the first communication node receives the perception signal after taking into account the propagation delay of the perception signal, that is, the first indication information indicates the time when the second communication node sends the perception signal.
  • the first communication node determines to receive the perception signal at time 2, then the first indication information indicates that the time when the first communication node receives the perception signal is the time calculated by subtracting the propagation delay of the perception signal from time 2; for example, the first communication node determines to receive the perception signal at the 33rd ms, and the propagation delay of the perception signal is 13ms, then the first indication information indicates that the time when the first communication node receives the perception signal after considering the propagation delay of the perception signal is the 20th ms, that is, the first indication information indicates that the time when the second communication node sends the perception signal is the 20th ms.
  • the first communication node determines the position or time at which the first communication node receives a sensing signal, and indicates the position or time at which the sensing signal is received to the second communication node through first indication information, so that the second communication node sends the sensing signal according to the position or time at which the first communication node receives the sensing signal.
  • the first communication node and the second communication node can be aligned with the position or time at which the first communication node receives the sensing signal, thereby solving the problem of low resource utilization caused by long duration or long interval of the sensing signal and improving resource utilization.
  • the sensing method further includes:
  • a second communication node sends a first request message to a first communication node.
  • the first communication node receives the first request message from the second communication node.
  • step S401 In the embodiment of the present application, reference may be made to the relevant description of step S401 regarding step S501, which will not be repeated here.
  • Figure 6 is a schematic diagram of another example of the perception method provided in an embodiment of the present application.
  • the method is illustrated by taking the interaction of the first communication node, the second communication node, the third communication node, and the fourth communication node as an example.
  • the fourth communication node is an optional communication node.
  • the subject that executes the action of the first communication node in the method can also be a device/module in the first communication node, such as a chip, a processor, a processing unit, etc. in the first communication node;
  • the subject that executes the action of the second communication node in the method can also be a device/module in the second communication node, such as a chip, a processor, a processing unit, etc.
  • the subject that executes the action of the third communication node in the method can also be a device/module in the third communication node, such as a chip, a processor, a processing unit, etc. in the third communication node; the subject that executes the action of the fourth communication node in the method can also be a device/module in the fourth communication node, such as a chip, a processor, a processing unit, etc. in the fourth communication node, and the embodiment of the present application does not make specific limitations on this.
  • a single execution subject for example, the first communication node, or the second communication node, or the third communication node, or the fourth communication node
  • the processing performed by a first communication node may also be divided into multiple execution entities, which may be logically and/or physically separated.
  • a perception method 600 provided in an embodiment of the present application includes:
  • the first communication node determines multiple locations or multiple times at which the first communication node sends a perception signal.
  • the description of each of the multiple locations and each of the multiple times can refer to the relevant description in step S410, which will not be repeated here.
  • the first communication node sends first indication information.
  • the second communication node and the third communication node receive the first indication information from the first communication node.
  • the first indication information is used to indicate multiple locations or multiple times at which the first communication node sends a perception signal.
  • the first indication information may be a broadcast message, so that multiple communication nodes (e.g., the second communication node, the third communication node, or other communication nodes, such as the fourth communication node) in the system can all receive the first indication information.
  • S630 The second communication node sends a first cooperation request to the third communication node.
  • the third communication node receives the first cooperation request from the second communication node.
  • the first collaboration request is used to instruct the third communication node to perform joint perception based on the first position or the first time, that is, the second communication node and the third communication node both perform perception based on the first position or the first time, wherein the first position is one of multiple positions, and the first time is one of multiple times.
  • the third communication node sends a first cooperation response to the second communication node.
  • the second communication node receives the first cooperation response from the third communication node.
  • the third communication node may also be the initiator of the collaboration request, and correspondingly, the second communication node may be the responder of the collaboration request, that is, step S630 may be replaced by: the third communication node sends a second collaboration request to the second communication node. Accordingly, the second communication node receives the second collaboration request from the third communication node, wherein the second collaboration request is used to instruct the second communication node to perform joint perception according to the first position or the first time; step S640 may be replaced by: the second communication node sends a second collaboration response to the third communication node. Accordingly, the third communication node receives the second collaboration response from the second communication node.
  • the initiator and responder of the collaboration request are not specifically limited. The embodiment of the present application takes the second communication node as the initiator of the collaboration request and the third communication node as the responder of the collaboration request as an example for explanation.
  • the first communication node sends a perception signal at a first position or a first time when the first communication node sends the perception signal.
  • the second communication node and the third communication node receive the perception signal according to the first position or the first time when the first communication node sends the perception signal.
  • the relevant description of the second communication node and the third communication node receiving the perception signal according to the first position or the first time when the first communication node sends the perception signal can refer to the relevant description of the second communication node receiving the perception signal according to the position or time when the first communication node sends the perception signal in step S430, which will not be repeated here.
  • the sensing method provided in the embodiment of the present application further includes:
  • S660 The second communication node sends a first cooperation request to the fourth communication node.
  • the fourth communication node receives the first cooperation request from the second communication node.
  • the first collaboration request is used to request the fourth communication node to perform joint perception based on the first location or the first time.
  • the fourth communication node sends a first cooperation response to the second communication node.
  • the second communication node receives the first cooperation response from the fourth communication node.
  • the communication system may include more communication nodes to collaborate in joint perception, and the collaboration process of other communication nodes can refer to the description in steps S630 to S670, which will not be repeated here.
  • the fourth communication node may also be the initiator of the collaboration request, and reference may be made to the description in step S640, which will not be repeated here.
  • the first communication node determines multiple positions or multiple times at which the first communication node sends a perception signal, and indicates multiple positions or multiple times at which the perception signal is sent to other communication nodes (the second communication node, the third communication node, and optionally the fourth communication node) through the first indication information, so that other communication nodes receive the perception signal according to the multiple positions or multiple times at which the first communication node sends the perception signal.
  • This scheme enables the first communication node to align with other communication nodes the multiple positions or multiple times at which the first communication node sends the perception signal, solves the problem of low resource utilization caused by the long duration or interval of the perception signal, and improves the utilization of resources.
  • other communication nodes can perform joint perception according to the first position among multiple positions or the first time among multiple times by sending a collaboration request or a collaboration response, which can enhance the coverage of the perception signal and improve the accuracy of the perception result.
  • Figure 7 is a schematic diagram of another example of the perception method provided in the embodiment of the present application.
  • the method is illustrated by taking the interaction of the first communication node, the second communication node, the third communication node, and the fourth communication node as an example.
  • the fourth communication node is an optional communication node.
  • the subject that executes the action of the first communication node in the method can also be a device/module in the first communication node, such as a chip, a processor, a processing unit, etc. in the first communication node;
  • the subject that executes the action of the second communication node in the method can also be a device/module in the second communication node, such as a chip, a processor, a processing unit, etc.
  • the subject that executes the action of the third communication node in the method can also be a device/module in the third communication node, such as a chip, a processor, a processing unit, etc. in the third communication node; the subject that executes the action of the fourth communication node in the method can also be a device/module in the fourth communication node, such as a chip, a processor, a processing unit, etc. in the fourth communication node, and the embodiment of the present application does not specifically limit this.
  • the processing performed by a single execution subject for example, a first communication node, or a second communication node, or a third communication node, or a fourth communication node
  • a single execution subject for example, a first communication node, or a second communication node, or a third communication node, or a fourth communication node
  • the processing performed by the network device can be divided into at least one of the CU, DU, and RU; for another example, the processing performed by the network device can be divided into at least one of the O-CU (O-CU-CP in the O-CU or O-CU-UP in the O-CU), O-DU, and O-RU in the ORAN system.
  • the perception method 700 provided in an embodiment of the present application includes:
  • the first communication node determines multiple locations or multiple times at which the first communication node receives a perception signal.
  • the relevant description in step S610 regarding the first communication node determining multiple locations or times at which the first communication node sends a perception signal, which will not be repeated here.
  • the first communication node sends first indication information.
  • the second communication node and the third communication node receive the first indication information from the first communication node.
  • the first indication information is used to indicate multiple locations or multiple times at which the first communication node receives the perception signal.
  • the first indication information is used to indicate multiple locations or multiple times at which the first communication node receives the perception signal.
  • S730 The second communication node sends a first cooperation request to the third communication node.
  • the third communication node receives the first cooperation request from the second communication node.
  • step S630 In the embodiment of the present application, reference may be made to the relevant description in step S630 regarding step S730, which will not be repeated here.
  • the third communication node sends a first cooperation response to the second communication node.
  • the second communication node receives the first cooperation response from the third communication node.
  • step S640 In the embodiment of the present application, reference may be made to the relevant description in step S640 regarding step S740, which will not be repeated here.
  • the second communication node and the third communication node send a perception signal according to a first position or a first time at which the first communication node receives the perception signal.
  • the first communication node receives the perception signal at the first position or the first time at which the first communication node receives the perception signal.
  • the relevant description of the second communication node and the third communication node sending the perception signal according to the first position or the first time when the first communication node receives the perception signal can refer to the relevant description of the second communication node sending the perception signal according to the position or time when the first communication node receives the perception signal in step S530, which will not be repeated here.
  • the sensing method provided in the embodiment of the present application further includes:
  • S760 The second communication node sends a first cooperation request to the fourth communication node.
  • the fourth communication node receives the first cooperation request from the second communication node.
  • the first collaboration request is used to request the fourth communication node to perform joint perception based on the first location or the first time.
  • the fourth communication node sends a first cooperation response to the second communication node.
  • the second communication node receives the first cooperation response from the fourth communication node.
  • the fourth communication node may also send the perception signal according to the first position or the first time when the first communication node receives the perception signal, and the first communication node may also receive the perception signal at the first position or the first time when the first communication node receives the perception signal. That is, the second communication node, the third communication node, and the fourth communication node may perform joint perception according to the first position or the first time.
  • the communication system may include more communication nodes to collaborate in joint perception, and the collaboration process of other communication nodes can refer to the description in steps S730 to S770, which will not be repeated here.
  • the fourth communication node may also be the initiator of the collaboration request, and reference may be made to the description in step S740, which will not be repeated here.
  • the perception method provided in the embodiment of the present application is that the first communication node determines multiple positions or multiple times at which the first communication node receives a perception signal, and indicates multiple positions or multiple times at which the perception signal is received to other communication nodes (the second communication node, the third communication node, and optionally the fourth communication node) through the first indication information, so that the other communication nodes send perception signals according to the multiple positions or multiple times at which the first communication node receives the perception signal.
  • This scheme enables the first communication node to align with other communication nodes the multiple positions or multiple times at which the first communication node receives the perception signal, solves the problem of low resource utilization caused by the long duration or interval of the perception signal, and improves resource utilization.
  • other communication nodes can perform joint perception according to the first position among multiple positions or the first time among multiple times by sending a collaboration request or a collaboration response, which can enhance the coverage of the perception signal and improve the accuracy of the perception result.
  • the embodiment of the present application also provides a communication device, which is used to implement the above various methods.
  • the communication device can be the first communication node in the above method embodiment, or a device including the above first communication node, or a component that can be used for the first communication node; or, the communication device can be the second communication node in the above method embodiment, or a device including the above second communication node, or a component that can be used for the second communication node; or, the communication device can be the third communication node in the above method embodiment, or a device including the above third communication node, or a component that can be used for the third communication node. It can be understood that in order to realize the above functions, the communication device includes a hardware structure and/or software module corresponding to each function.
  • the embodiment of the present application can divide the functional modules of the communication device according to the above method embodiment.
  • each functional module can be divided according to each function, or two or more functions can be integrated into one processing module.
  • the above integrated module can be implemented in the form of hardware or in the form of software functional modules. It should be understood that the division of modules in the embodiment of the present application is schematic and is only a logical function division. There may be other division methods in actual implementation.
  • FIG8 is a schematic diagram of a communication device provided in an embodiment of the present application, and the communication device is taken as the first communication node in the above method embodiment (which may be a chip of the first communication node, or a module of the first communication node, or an internal device of the first communication node) as an example, and the first communication node includes a transceiver module 810 and a processing module 820.
  • the transceiver module 810 which may also be referred to as a transceiver unit for implementing a transceiver function, may be, for example, a transceiver circuit, a transceiver, a transceiver or a communication interface.
  • the processing module 820 is used to determine the location or time when the first communication node sends or receives the perception signal.
  • the transceiver module 810 is used to send first indication information, where the first indication information is used to indicate a location or time for sending or receiving a perception signal.
  • the communication device may also include a storage module 830, which can be used to store instructions or and/or data, and the processing module 820 can read the instructions or and/or data in the storage module 830.
  • a storage module 830 which can be used to store instructions or and/or data
  • the processing module 820 can read the instructions or and/or data in the storage module 830.
  • the first communication node is presented in the form of dividing each functional module in an integrated manner.
  • the "module” herein may refer to a specific ASIC, circuit, processor and memory executing one or more software or firmware programs, integrated logic circuit, and/or other device that can provide the above functions.
  • the first communication node can take the form of the communication device 300 shown in FIG. 3 .
  • the processor 301 in the communication device 300 shown in FIG. 3 may call the computer execution instructions stored in the memory 303 so that the communication device 300 executes the perception method in the above method embodiment.
  • the functions/implementation processes of the transceiver module 810 and the processing module 820 in FIG8 can be implemented by the processor 301 in the communication device 300 shown in FIG3 calling the computer execution instructions stored in the memory 303.
  • the functions/implementation processes of the processing module 820 in FIG8 can be implemented by the processor 301 in the communication device 300 shown in FIG3 calling the computer execution instructions stored in the memory 303
  • the functions/implementation processes of the transceiver module 810 in FIG8 can be implemented by the communication interface 304 in the communication device 300 shown in FIG3.
  • the first communication node provided in the embodiment of the present application (which may be a chip of the first communication node, or a module of the first communication node, or an internal device of the first communication node) can execute the above-mentioned perception method, the technical effects that can be obtained can be referred to the above-mentioned method embodiments and will not be repeated here.
  • the second communication node includes a transceiver module 810 and a processing module 820.
  • the transceiver module 810 which may also be referred to as a transceiver unit for implementing a transceiver function, may be, for example, a transceiver circuit, a transceiver, a transceiver or a communication interface.
  • the transceiver module 810 is used to receive first indication information, where the first indication information is used to indicate a location or time at which a first communication node deployed on a satellite sends or receives a perception signal.
  • the processing module 820 is used to control the transceiver module 810 to send or receive the perception signal according to the location or time of sending or receiving the perception signal.
  • the communication device may also include a storage module 830, which can be used to store instructions or and/or data, and the processing module 820 can read the instructions or and/or data in the storage module 830.
  • a storage module 830 which can be used to store instructions or and/or data
  • the processing module 820 can read the instructions or and/or data in the storage module 830.
  • the second communication node is presented in the form of dividing each functional module in an integrated manner.
  • the "module” here may refer to a specific ASIC, a circuit, a processor and a memory that executes one or more software or firmware programs, an integrated logic circuit, and/or other devices that can provide the above functions.
  • the second communication node can take the form of a communication device 300 shown in Figure 3.
  • the processor 301 in the communication device 300 shown in FIG. 3 may call the computer execution instructions stored in the memory 303 so that the communication device 300 executes the perception method in the above method embodiment.
  • the functions/implementation processes of the transceiver module 810 and the processing module 820 in FIG8 can be implemented by the processor 301 in the communication device 300 shown in FIG3 calling the computer execution instructions stored in the memory 303.
  • the functions/implementation processes of the processing module 820 in FIG8 can be implemented by the processor 301 in the communication device 300 shown in FIG3 calling the computer execution instructions stored in the memory 303
  • the functions/implementation processes of the transceiver module 810 in FIG8 can be implemented by the communication interface 304 in the communication device 300 shown in FIG3.
  • the second communication node provided in the embodiment of the present application (which may be a chip of the second communication node, or a module of the second communication node, or an internal device of the second communication node) can execute the above-mentioned perception method, the technical effects that can be obtained can be referred to the above-mentioned method embodiments and will not be repeated here.
  • one or more of the above modules or units can be implemented by software, hardware or a combination of the two.
  • the software exists in the form of computer program instructions and is stored in a memory, and the processor can be used to execute the program instructions and implement the above method flow.
  • the processor can be built into an SoC (system on chip) or an ASIC, or it can be an independent semiconductor chip.
  • SoC system on chip
  • ASIC application specific integrated circuit
  • it can further include necessary hardware accelerators, such as field programmable gate arrays (FPGA), PLDs (programmable logic devices), or logic circuits that implement dedicated logic operations.
  • FPGA field programmable gate arrays
  • PLDs programmable logic devices
  • the hardware may be any one or any combination of a CPU, a microprocessor, a digital signal processing (DSP) chip, a microcontroller unit (MCU), an artificial intelligence processor, an ASIC, a SoC, an FPGA, a PLD, a dedicated digital circuit, a hardware accelerator or a non-integrated discrete device. Necessary software may be run or the above method flow may be performed independently of the software.
  • an embodiment of the present application further provides a communication device (for example, the communication device may be a chip or a chip system), which includes a processor for implementing the method in any of the above method embodiments.
  • the communication device also includes a memory.
  • the memory is used to store necessary program instructions and data, and the processor can call the program code stored in the memory to instruct the communication device to execute the method in any of the above method embodiments.
  • the memory may not be in the communication device.
  • the communication device is a chip system, it may be composed of chips, or it may include chips and other discrete devices, which is not specifically limited in the embodiments of the present application.
  • an embodiment of the present application further provides a computer-readable storage medium, which stores a computer program or instruction, and when the computer-readable storage medium is run on a communication device, the communication device can execute the method described in any of the above method embodiments or any of its implementation methods.
  • an embodiment of the present application further provides a communication system, the communication system comprising the first communication node, the second communication node, the third communication node, and the fourth communication node described in the above method embodiment, wherein the fourth communication node is optional.
  • the above embodiments it can be implemented in whole or in part by software, hardware, firmware or any combination thereof.
  • a software program it can be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer instructions.
  • the computer program instructions When the computer program instructions are loaded and executed on a computer, the process or function according to the embodiment of the present application is generated in whole or in part.
  • the computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device.
  • the computer instructions can be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium.
  • the computer instructions can be transmitted from a website site, computer, server or data center by wired (e.g., coaxial cable, optical fiber, digital subscriber line (digital subscriber line, DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) mode to another website site, computer, server or data center.
  • the computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that contains one or more media integrated. Available media can be magnetic media (e.g., floppy disks, hard disks, tapes), optical media (e.g., DVDs), or semiconductor media (e.g., solid state drives (SSDs)), etc.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Les modes de réalisation de la présente demande concernent un procédé de détection et un appareil, qui peuvent améliorer le taux d'utilisation de ressources. Le procédé comprend les étapes dans lesquelles : un premier nœud de communication détermine une position ou un temps du premier nœud de communication envoyant ou recevant un signal de détection ; et le premier nœud de communication envoie des premières informations d'indication, les premières informations d'indication étant utilisées pour indiquer la position ou le temps d'envoi ou de réception d'un signal de détection.
PCT/CN2024/106859 2023-11-03 2024-07-22 Procédé de détection et appareil Pending WO2025092042A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202311466083.9A CN119946838A (zh) 2023-11-03 2023-11-03 感知方法和装置
CN202311466083.9 2023-11-03

Publications (1)

Publication Number Publication Date
WO2025092042A1 true WO2025092042A1 (fr) 2025-05-08

Family

ID=95534024

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2024/106859 Pending WO2025092042A1 (fr) 2023-11-03 2024-07-22 Procédé de détection et appareil

Country Status (2)

Country Link
CN (1) CN119946838A (fr)
WO (1) WO2025092042A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113132917A (zh) * 2021-04-15 2021-07-16 成都极米科技股份有限公司 感知进程中发送和接收感知信号的方法、装置及存储介质
US20220161944A1 (en) * 2020-11-20 2022-05-26 Amazon Technologies, Inc. System to manage constellation of satellites
CN115685204A (zh) * 2022-12-28 2023-02-03 北京九天微星科技发展有限公司 一种用于低轨卫星星座的sar成像通信一体化方法及设备
WO2023115545A1 (fr) * 2021-12-24 2023-06-29 Oppo广东移动通信有限公司 Procédé de transmission d'informations, premier dispositif de réseau d'accès, second dispositif de réseau d'accès et terminal
WO2023155052A1 (fr) * 2022-02-15 2023-08-24 北京小米移动软件有限公司 Procédé et appareil de traitement de service de détection, et dispositif de communication et support de stockage

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220161944A1 (en) * 2020-11-20 2022-05-26 Amazon Technologies, Inc. System to manage constellation of satellites
CN113132917A (zh) * 2021-04-15 2021-07-16 成都极米科技股份有限公司 感知进程中发送和接收感知信号的方法、装置及存储介质
WO2023115545A1 (fr) * 2021-12-24 2023-06-29 Oppo广东移动通信有限公司 Procédé de transmission d'informations, premier dispositif de réseau d'accès, second dispositif de réseau d'accès et terminal
WO2023155052A1 (fr) * 2022-02-15 2023-08-24 北京小米移动软件有限公司 Procédé et appareil de traitement de service de détection, et dispositif de communication et support de stockage
CN115685204A (zh) * 2022-12-28 2023-02-03 北京九天微星科技发展有限公司 一种用于低轨卫星星座的sar成像通信一体化方法及设备

Also Published As

Publication number Publication date
CN119946838A (zh) 2025-05-06

Similar Documents

Publication Publication Date Title
WO2023036123A1 (fr) Procédé et appareil de communication
CN114071348A (zh) 一种通信方法及装置
WO2023273783A1 (fr) Procédé, appareil et système de positionnement
CN115103442A (zh) 目标终端设备的定位方法和装置、设备及存储介质
TW202303179A (zh) 基於射頻感測來控制設備和處理設置
WO2023078049A1 (fr) Procédé de communication et appareil associé
CN115884070A (zh) 一种定位方法及装置
EP4436218A1 (fr) Procédé et appareil de positionnement, support de stockage et produit-programme
CN114731608A (zh) 定位请求处理方法、设备及系统
CN117119509A (zh) 一种环境成像的方法及相关装置
WO2025092042A1 (fr) Procédé de détection et appareil
CN119521342A (zh) 接入方法、卫星、用户设备以及通信装置
CN113784367A (zh) 一种接入方法及设备
WO2024156109A1 (fr) Procédé et dispositif de détection
WO2024000525A1 (fr) Procédé, dispositif et système de détection
US20250126590A1 (en) Apparatus, methods, for apparatus and computer program products for location function including non-terestrial access point
WO2023011438A1 (fr) Procédé de transmission d'informations, nœuds de communication et support de stockage
CN120434729B (zh) 信号处理方法、装置、存储介质、芯片系统及程序产品
WO2025086108A1 (fr) Procédé et appareil d'émission ou de réception de faisceaux de détection
WO2025035357A1 (fr) Procédé de détection d'objet, dispositif et système
WO2025139587A1 (fr) Procédé et appareil de communication
EP4586651A1 (fr) Procédé de positionnement et dispositif de communication
WO2024178594A1 (fr) Procédé et appareil de positionnement
WO2025065540A1 (fr) Procédé et appareil de communication
WO2025140264A1 (fr) Procédé de positionnement et appareil associé

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: 24884050

Country of ref document: EP

Kind code of ref document: A1