Communication method, apparatus, computer-readable storage medium and program product

Abstract

The present application relates to the technical field of communications. Provided are a communication method, an apparatus, a computer-readable storage medium and a program product. The method comprises: sending first information, the first information comprising position information of a first area; receiving a first space-frequency resource pattern parameter from at least one second communication apparatus, the first space-frequency resource corresponding to the first area; and sending a sensing parameter to one or more of the at least one second communication apparatus, the sensing parameter comprising a second space-frequency resource pattern parameter, and the second space-frequency resource pattern being determined on the basis of the first space-frequency resource pattern. The technical solution provided in the present application reduces the risk of sensitive information leakage while simplifying sensing link selection and sensing parameter configuration.

Description

Communication methods, apparatus, computer-readable storage media and program products

[0001] This application claims priority to Chinese Patent Application No. 202510198861.3, filed on February 21, 2025, entitled "Communication Method, Apparatus, Computer-Readable Storage Medium and Program Product", the entire contents of which are incorporated herein by reference. Technical Field

[0002] This application relates to the field of communication technology, and in particular to a communication method, apparatus, computer-readable storage medium, and program product. Background Technology

[0003] Integrated sensing and communication (ISAC) refers to a technology that allows sensing and communication services to share the same frequency band and hardware. This technology can fully share the time, space and other multi-dimensional resources of wireless communication and sensing, and achieve deep integration of the two services.

[0004] In existing multi-node collaborative sensing technologies, aspects such as the selection of sensing links and the configuration of sensing parameters all require detailed information about the nodes. However, some of this information is quite sensitive, such as the node's location, roof orientation, and the number of antenna elements. Transmitting this information over the air interface poses a risk of sensitive information leakage. Summary of the Invention

[0005] This application provides a communication method, apparatus, computer-readable storage medium, and program product, which can solve the technical problem of the risk of sensitive information leakage in existing multi-node collaborative sensing technologies.

[0006] Firstly, a communication method is provided, which can be executed by a first communication device. The first communication device can be a network device, or it can be executed by a chip (or chip system) or other functional module capable of implementing the functions of the network device; for example, the chip or functional module is disposed within the network device. Optionally, the network device can be an access network device, a core network device, or a third-party device, such as a sensing function (SF) network element or a sensing management function (SMF) network element; this application does not impose any limitations.

[0007] For example, in some embodiments, the communication method may include:

[0008] Send a first message; the first message includes the location information of the first area;

[0009] Receive first space-frequency resource pattern parameters from at least one second communication device; the first space-frequency resource corresponds to the aforementioned first region;

[0010] Sensing parameters are sent to one or more of at least one second communication device; the sensing parameters include second space-frequency resource pattern parameters, the second space-frequency resource pattern being determined based on the first space-frequency resource pattern.

[0011] In this embodiment, the second communication device transmits its sensitive information by mapping it to non-sensitive space-frequency resource pattern parameters. Without transmitting the aforementioned sensitive information over the air interface, the first communication device can utilize these space-frequency resource pattern parameters to select the sensing link and configure sensing parameters. This simplifies the selection and configuration of the sensing link and reduces the risk of sensitive information leakage. Furthermore, based on the space-frequency resource pattern parameters, the first communication device can quickly infer the sensing performance of the sensing link with minimal computational cost, effectively reducing feedback latency. Moreover, by introducing parameters related to airspace resources, the performance of the sensing link can be better reflected.

[0012] In one possible implementation, the second space-frequency resource pattern is a subset of the first space-frequency resource pattern.

[0013] Through the above implementation, when the first communication device receives the first space-frequency resource pattern parameters sent by the second communication device, it can flexibly select some or all of the space-frequency resource blocks in the first space-frequency resource as the space-frequency resource blocks actually needed by the second communication device to transmit sensing signals. Thus, under the premise of satisfying the sensing capability of the second communication device, the space-frequency resource blocks actually needed by the second communication device can be selected more accurately, reducing unnecessary resource occupation and thereby improving the resource utilization rate of the entire sensing system.

[0014] In one possible implementation, the aforementioned first or second space-frequency resource pattern parameters include transmit space-frequency resource pattern parameters and / or receive space-frequency resource pattern parameters.

[0015] In one possible implementation, the first or second space-frequency resource pattern parameter includes a bitmap that indicates at least one of a plurality of space-frequency resource blocks.

[0016] In the above implementation, a bitmap is used to indicate the space frequency resource block corresponding to the second communication device. The data occupancy is small, which helps to reduce the amount of data transmitted during the communication process and at the same time reduces the complexity of parameter design.

[0017] In one possible implementation, the aforementioned first or second space-frequency resource pattern parameters include:

[0018] Location information of at least one space frequency resource block.

[0019] In the above implementation, by providing the specific location information of the space frequency resource block, the space frequency resource block to be used by the second communication device can be accurately indicated, avoiding resource confusion and conflict. At the same time, the second communication device can quickly identify and locate the required space frequency resource block, improving sensing efficiency.

[0020] In one possible implementation, the aforementioned first or second space-frequency resource pattern parameters include:

[0021] Location information of at least one space-frequency resource block, and incident power corresponding to the at least one space-frequency resource block.

[0022] In the above implementation, the explicit indication of location information enables both the first and second communication devices to quickly locate and allocate the required space frequency resource blocks, avoiding resource confusion and conflict; the provision of incident power helps both the first and second communication devices to understand the signal strength on each space frequency resource block, thereby achieving precise power control.

[0023] In one possible implementation, the aforementioned first or second space-frequency resource pattern parameters include:

[0024] Information on the distribution of at least one space-frequency resource block, the information on the distribution of at least one space-frequency resource block being associated with a distribution rule, the distribution rule being predefined.

[0025] In the above implementation, if the space frequency resource blocks of the second communication device meet a certain specific distribution rule, it is not necessary to list the specific location information of each space frequency resource block one by one. Only a small amount of information is needed to completely describe the distribution of the resource blocks, which effectively reduces the amount of data that the communication device needs to transmit or store, and reduces the complexity of the space frequency resource pattern parameters.

[0026] In one possible implementation, the first information mentioned above further includes space-frequency resource block parameters; these space-frequency resource block parameters include at least one of the following:

[0027] The interval of spatial frequencies in each coordinate axis direction, the number of resource particles in each coordinate axis direction, or the coordinates of the reference point.

[0028] Through the above implementation method, the second communication device can accurately parse the specific information of the space-frequency resource block grid composed of multiple space-frequency resource blocks, which helps to map its own spatial domain resources and frequency domain resources to the space-frequency resource block grid and generate the above-mentioned first space-frequency resource pattern parameters.

[0029] In one possible implementation, the aforementioned first space-frequency resource pattern parameters are determined based on the observation angle and the target frequency; the observation angle is determined by mapping the space-domain resources corresponding to the second communication device to each antenna element, and the aforementioned target frequency is determined based on the frequency-domain resource parameters corresponding to the second communication device, which include at least one of the following: carrier frequency, physical resource block index, or subcarrier spacing.

[0030] Through the above implementation method, the spatial and frequency domain resources corresponding to the second communication device can be mapped to the spatial-frequency resource block. As a result, the information of the above spatial and frequency domain resources does not need to be transmitted over the air interface, reducing the risk of sensitive information leakage.

[0031] In one possible implementation, the above-mentioned sensing parameters also include at least one of the following: time-domain parameters, code-domain parameters, first indication information, or second indication information;

[0032] The first indication information is used to indicate whether to send the sensing result, and the second indication information is used to indicate whether the sensing result carries phase information.

[0033] In the above implementation, by introducing time-domain parameters and code-domain parameters, the second communication device can be helped to accurately configure the transmission time and encoding method of the sensing signal according to the time-domain parameters and code-domain parameters. In addition, by introducing the first indication information and the second indication information, the second communication device can be flexibly controlled to send the sensing results, thereby avoiding unnecessary resource consumption and air interface overhead.

[0034] In one possible implementation, the above method also includes:

[0035] Based on the first space-frequency resource pattern parameters from at least one second communication device, the space-frequency resources of the sensing link corresponding to the at least one second communication device are determined;

[0036] Based on the space frequency resources of the sensing link corresponding to the at least one second communication device, one or more second communication devices are selected from the at least one second communication device.

[0037] Based on the space-frequency resources of the sensing link corresponding to the one or more second communication devices, the sensing parameters of the one or more second communication devices are determined.

[0038] The above implementation method allows for the determination of the space-frequency resources of the sensing link for the second communication device using the first space-frequency resource pattern parameters. Based on this, the second communication device participating in sensing and the sensing parameters are selected. This simplifies the selection of the sensing link and the configuration of sensing parameters while reducing the risk of sensitive information leakage. Furthermore, based on the space-frequency resource pattern parameters, the first communication device can quickly infer the sensing performance of the sensing link with relatively low computational requirements, effectively reducing feedback latency.

[0039] Secondly, a communication method is provided, which can be executed by a second communication device. The second communication device can be a network device, a terminal, or a chip (or chip system) or other functional module capable of implementing the functions of the network device or terminal; for example, the chip or functional module is disposed in the network device or terminal. Optionally, the aforementioned network device can be an access network device or a third-party device; the aforementioned terminal can be a mobile phone, tablet computer, computer with wireless transceiver function, wearable device, vehicle, drone, helicopter, airplane, ship, robot, robotic arm, smart home device, etc., and this application is not limited thereto.

[0040] For example, in some embodiments, the communication method may include:

[0041] Receive first information from a first communication device; the first information includes location information of a first area;

[0042] Send first space-frequency resource pattern parameters to the first communication device; the first space-frequency resource corresponds to the aforementioned first region;

[0043] The system receives sensing parameters from a first communication device; these sensing parameters include second space-frequency resource pattern parameters, which are determined based on a first space-frequency resource pattern.

[0044] In one possible implementation, the second space-frequency resource pattern is a subset of the first space-frequency resource pattern.

[0045] In one possible implementation, the first space-frequency resource pattern parameter or the second space-frequency resource pattern parameter includes transmit space-frequency resource pattern parameters and / or receive space-frequency resource pattern parameters.

[0046] In one possible implementation, the first or second space-frequency resource pattern parameter includes a bitmap that indicates at least one of a plurality of space-frequency resource blocks.

[0047] In one possible implementation, the first space-frequency resource pattern parameter or the second space-frequency resource pattern parameter includes:

[0048] Location information of at least one space frequency resource block;

[0049] Alternatively, the location information of at least one space-frequency resource block, and the incident power corresponding to the at least one space-frequency resource block.

[0050] In one possible implementation, the first space-frequency resource pattern parameter or the second space-frequency resource pattern parameter includes:

[0051] Information on the distribution of at least one space-frequency resource block, the information on the distribution of at least one space-frequency resource block being associated with a distribution rule, the distribution rule being predefined.

[0052] In one possible implementation, the first information further includes space-frequency resource block parameters; these parameters include at least one of the following:

[0053] The spatial frequency intervals along each coordinate axis, the number of resource particles along each coordinate axis, and the coordinates of the reference point.

[0054] In one possible implementation, the above method also includes:

[0055] The parameters of the first space-frequency resource map are determined based on the observation angle and the target frequency;

[0056] The above observation angle is determined by mapping the corresponding spatial resources to each antenna element. The target frequency is determined based on its corresponding frequency domain resource parameters, which include at least one of the following: carrier frequency, physical resource block index, or subcarrier spacing.

[0057] In one possible implementation, the aforementioned sensing parameters also include at least one of the following:

[0058] Time-domain parameters, code-domain parameters, first indication information or second indication information;

[0059] The first indication information is used to indicate whether to send the sensing result, and the second indication information is used to indicate whether the sensing result carries phase information.

[0060] Thirdly, this application provides a communication device. The communication device includes a transceiver module. This communication device can be used to implement the functions of a network device, such as a component within the network device, like a chip, chip system, or processor.

[0061] In some embodiments, the transceiver module is used for:

[0062] Send a first message; the first message includes the location information of the first area;

[0063] Receive first space-frequency resource pattern parameters from at least one second communication device; the first space-frequency resource corresponds to the aforementioned first region;

[0064] Sensing parameters are sent to one or more of at least one second communication device; the sensing parameters include second space-frequency resource pattern parameters, the second space-frequency resource pattern being determined based on the first space-frequency resource pattern.

[0065] In one possible implementation, the second space-frequency resource pattern is a subset of the first space-frequency resource pattern.

[0066] In one possible implementation, the aforementioned first or second space-frequency resource pattern parameters include transmit space-frequency resource pattern parameters and / or receive space-frequency resource pattern parameters.

[0067] In one possible implementation, the first or second space-frequency resource pattern parameter includes a bitmap that indicates at least one of a plurality of space-frequency resource blocks.

[0068] In one possible implementation, the aforementioned first or second space-frequency resource pattern parameters include:

[0069] Location information of at least one space frequency resource block;

[0070] Alternatively, the location information of at least one space-frequency resource block, and the incident power corresponding to the at least one space-frequency resource block.

[0071] In one possible implementation, the aforementioned first or second space-frequency resource pattern parameters include:

[0072] Information on the distribution of at least one space-frequency resource block, the information on the distribution of at least one space-frequency resource block being associated with a distribution rule, the distribution rule being predefined.

[0073] In one possible implementation, the first information mentioned above further includes space-frequency resource block parameters; these parameters include at least one of the following:

[0074] The spatial frequency intervals along each coordinate axis, the number of resource particles along each coordinate axis, and the coordinates of the reference point.

[0075] In one possible implementation, the aforementioned first space-frequency resource pattern parameters are determined based on the observation angle and the target frequency; the observation angle is determined by mapping the space-domain resources corresponding to the second communication device to each antenna element, and the aforementioned target frequency is determined based on the frequency-domain resource parameters corresponding to the second communication device, which include at least one of the following: carrier frequency, physical resource block index, or subcarrier spacing.

[0076] In one possible implementation, the above-mentioned sensing parameters also include at least one of the following: time domain parameters, code domain parameters, first indication information, or second indication information;

[0077] The first indication information is used to indicate whether to send the sensing result, and the second indication information is used to indicate whether the sensing result carries phase information.

[0078] In one possible implementation, the communication device further includes a processing module for:

[0079] Based on the first space-frequency resource pattern parameters from at least one second communication device, the space-frequency resources of the sensing link corresponding to the at least one second communication device are determined;

[0080] Based on the space frequency resources of the sensing link corresponding to the at least one second communication device, one or more second communication devices are selected from the at least one second communication device.

[0081] Based on the space frequency resources of the sensing link corresponding to the one or more second communication devices, the sensing parameters of the one or more second communication devices are determined.

[0082] Fourthly, this application provides a communication device. The communication device includes a transceiver module. This communication device can be used to implement the functions of a network device or terminal, for example, as a component in a network device or terminal, such as a chip, chip system, processor, etc.

[0083] In some embodiments, the transceiver module is used for:

[0084] Receive first information from a first communication device; the first information includes location information of a first area;

[0085] Send first space-frequency resource pattern parameters to the first communication device; the first space-frequency resource corresponds to the aforementioned first region;

[0086] The system receives sensing parameters from a first communication device; these sensing parameters include second space-frequency resource pattern parameters, which are determined based on a first space-frequency resource pattern.

[0087] In one possible implementation, the second space-frequency resource pattern is a subset of the first space-frequency resource pattern.

[0088] In one possible implementation, the first space-frequency resource pattern parameter or the second space-frequency resource pattern parameter includes transmit space-frequency resource pattern parameters and / or receive space-frequency resource pattern parameters.

[0089] In one possible implementation, the first or second space-frequency resource pattern parameter includes a bitmap that indicates at least one of a plurality of space-frequency resource blocks.

[0090] In one possible implementation, the first space-frequency resource pattern parameter or the second space-frequency resource pattern parameter includes:

[0091] Location information of at least one space frequency resource block;

[0092] Alternatively, the location information of at least one space-frequency resource block, and the incident power corresponding to the at least one space-frequency resource block.

[0093] In one possible implementation, the first space-frequency resource pattern parameter or the second space-frequency resource pattern parameter includes:

[0094] Information on the distribution of at least one space-frequency resource block, the information on the distribution of at least one space-frequency resource block being associated with a distribution rule, the distribution rule being predefined.

[0095] In one possible implementation, the first information further includes space-frequency resource block parameters; these parameters include at least one of the following:

[0096] The spatial frequency intervals along each coordinate axis, the number of resource particles along each coordinate axis, and the coordinates of the reference point.

[0097] In one possible implementation, the communication device further includes a processing module for:

[0098] The parameters of the first space-frequency resource map are determined based on the observation angle and the target frequency;

[0099] The above observation angle is determined by mapping the corresponding spatial resources to each antenna element. The target frequency is determined based on its corresponding frequency domain resource parameters, which include at least one of the following: carrier frequency, physical resource block index, or subcarrier spacing.

[0100] In one possible implementation, the aforementioned sensing parameters also include at least one of the following:

[0101] Time-domain parameters, code-domain parameters, first indication information or second indication information;

[0102] The first indication information is used to indicate whether to send the sensing result, and the second indication information is used to indicate whether the sensing result carries phase information.

[0103] Fifthly, this application provides a communication device including one or more processors for executing a computer program (also referred to as code or instructions) in a memory, such that the communication device implements the communication method in the first aspect or the second aspect and any possible implementation of the first aspect or the second aspect.

[0104] Optionally, the communication device further includes a memory for storing computer programs and data. The memory is coupled to the processor, and when the processor executes the computer program stored in the memory, it can implement the communication method described in the first or second aspect above.

[0105] Optionally, the communication device further includes a communication interface for communicating with other devices. For example, the communication interface may be a transceiver, circuit, bus, module, or other type of communication interface.

[0106] Sixthly, this application provides a chip system including at least one processor for supporting the implementation of the functions involved in the first to fourth aspects and any possible implementations, such as processing information involved in the communication method.

[0107] In one possible design, the chip system also includes a memory for storing computer programs and data, which may be located inside or outside the processor.

[0108] In one possible design, the chip system can consist of chips or include chips and other discrete components.

[0109] In one possible design, the chip system also includes a power supply circuit for supplying power to the chip system.

[0110] In a seventh aspect, this application provides a computer-readable storage medium including a computer program that, when run on a computer, causes the computer to implement the communication methods of the first to fourth aspects and any possible implementation of the first to fourth aspects.

[0111] Eighthly, this application provides a computer program product comprising: a computer program that, when run, causes a computer to execute the communication methods of the first to fourth aspects and any possible implementation thereof.

[0112] In a ninth aspect, embodiments of this application provide a communication system, including a first communication device for performing a communication method described in any manner in the first aspect and a second communication device for performing a communication method described in any manner in the second aspect.

[0113] The second to ninth aspects of this application have similar beneficial effects to the first aspect of this application and the corresponding feasible implementation methods, and will not be described again. Attached Figure Description

[0114] Figure 1 is a schematic diagram of the architecture of a communication system applicable to the communication method provided in this application;

[0115] Figure 2 is a schematic diagram of environmental imaging using radio frequency signals from a cellular network communication system, provided in an embodiment of this application.

[0116] Figure 3 is a schematic diagram of the architecture of a sensing system provided in an embodiment of this application;

[0117] Figure 4 is a flowchart illustrating a communication method provided in an embodiment of this application;

[0118] Figure 5 is a schematic diagram of a space frequency resource block grid provided in an embodiment of this application;

[0119] Figure 6 is a schematic flowchart of a communication method provided in an embodiment of this application;

[0120] Figure 7 is a schematic diagram of a space frequency resource block mapping provided in an embodiment of this application;

[0121] Figure 8 is a flowchart illustrating a communication method provided in an embodiment of this application.

[0122] Figure 9 is a schematic diagram of the architecture of a sensing system provided in an embodiment of this application;

[0123] Figure 10 is a schematic flowchart of a communication method provided in an embodiment of this application;

[0124] Figure 11 is a schematic flowchart of a communication method provided in an embodiment of this application;

[0125] Figure 12 is a schematic diagram of the architecture of a sensing system provided in an embodiment of this application;

[0126] Figure 13 is a flowchart illustrating a communication method provided in an embodiment of this application;

[0127] Figure 14 is a schematic block diagram of a communication device provided in an embodiment of this application;

[0128] Figure 15 is a schematic block diagram of another communication device provided in the embodiments of this application;

[0129] Figure 16 is a schematic block diagram of another communication device provided in the embodiments of this application. Detailed Implementation

[0130] The technical solution provided in this application will now be described with reference to the accompanying drawings.

[0131] To facilitate understanding of the embodiments of this application, the following points will be explained first:

[0132] First, in the embodiments of this application, the indication includes explicit indication (also known as direct indication) and implicit indication (also known as indirect indication). Explicit indication information A refers to including information A; implicit indication information A refers to indicating information A through the correspondence between information A and information B, and direct indication information B. The correspondence between information A and information B can be predefined, pre-stored, pre-burned, or pre-configured; or it can refer to indicating information A through information B and preset rules.

[0133] Second, in the embodiments of this application, information C is used to determine information D, which includes determining information D based solely on information C, as well as determining it based on information C and other information. Furthermore, the use of information C to determine information D can also include indirect determination, such as when information D is determined based on information E, and information E is determined based on information C.

[0134] Third, in the embodiments of this application, "at least one" refers to one or more, and "more than one" refers to two or more. "And / or" describes the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A alone, A and B simultaneously, or B alone, where A and B can be singular or plural. The character " / " generally indicates an "or" relationship between the preceding and following related objects, but it does not exclude the possibility of indicating an "and" relationship. The specific meaning can be understood in conjunction with the context. "At least one of the following" or similar expressions refer to any combination of these items, including any combination of single or plural items. For example, at least one of a, b, or c can represent: a, b, c; a and b; a and c; b and c; or a and b and c. Here, a, b, and c can be single or multiple.

[0135] The technical solutions provided in this application can be applied to various communication systems, such as: Long Term Evolution (LTE) systems, LTE Frequency Division Duplex (FDD) systems, LTE Time Division Duplex (TDD) systems, sidelink (SL) communication systems, Universal Mobile Telecommunication System (UMTS), Worldwide Interoperability for Microwave Access (WiMAX) communication systems, 5th Generation (5G) mobile communication systems, or new radio access technology (NR). Among these, 5G mobile communication systems may include non-standalone (NSA) and / or standalone (SA) networking. The technical solutions provided in this application can also be applied to future communication systems. This application does not limit the scope of these applications.

[0136] Figure 1 is a schematic diagram of the architecture of a communication system applicable to the communication method provided in this application. Figure 1 shows a schematic diagram of a possible, non-limiting system architecture. As shown in Figure 1, the communication system 100 includes a radio access network (RAN) 10 and a core network (CN) 20. Optionally, the communication system 100 also includes an Internet 30. RAN 10 includes at least one RAN node (110a and 110b in Figure 1, collectively referred to as 110) and at least one terminal (120a-120j in Figure 1, collectively referred to as 120). RAN 10 may also include other RAN nodes, such as wireless relay devices and / or wireless backhaul devices (not shown in Figure 1). Terminal 120 is wirelessly connected to RAN node 110. RAN node 110 is wirelessly or wired connected to core network 20. The core network equipment in core network 20 and RAN node 110 in RAN 10 can be different physical devices, or they can be the same physical device integrating core network logical functions and radio access network logical functions.

[0137] RAN10 can be a cellular system related to the 3rd Generation Partnership Project (3GPP), such as a 5G mobile communication system, or a future-oriented evolution system. RAN10 can also be an open access network (O-RAN or ORAN), a cloud radio access network (CRAN), or a wireless-fidelity (Wi-Fi) system. RAN10 can also be a communication system that integrates two or more of the above systems.

[0138] RAN node 110, sometimes also referred to as access network equipment, RAN entity, or access node, is part of the communication system and helps terminals achieve wireless access. Multiple RAN nodes 110 in communication system 100 can be of the same type or different types. In some scenarios, the roles of RAN node 110 and terminal 120 are relative. For example, network element 120i in Figure 1 can be a helicopter or drone, which can be configured as a mobile base station. For terminals 120j accessing RAN 10 through network element 120i, network element 120i is a base station; but for base station 110a, network element 120i is a terminal. RAN node 110 and terminal 120 are sometimes both referred to as communication devices. For example, network elements 110a and 110b in Figure 1 can be understood as communication devices with base station functions, and network elements 120a-120j can be understood as communication devices with terminal functions.

[0139] In one possible scenario, a RAN node can be a base station, an evolved NodeB (eNodeB), an access point (AP), a transmission reception point (TRP), a next-generation NodeB (gNB), a base station in a future mobile communication system, or an access node in a WiFi system. A RAN node can be a macro base station (as shown in Figure 1, 110a), a micro base station or indoor station (as shown in Figure 1, 110b), a relay node or donor node, or a radio controller in a CRAN scenario. Optionally, a RAN node can also be a server, wearable device, vehicle, or in-vehicle equipment. For example, the access network equipment in vehicle-to-everything (V2X) technology can be a roadside unit (RSU).

[0140] In another possible scenario, multiple RAN nodes collaborate to assist the terminal in achieving wireless access, with each RAN node performing a portion of the base station's functions. For example, RAN nodes can be central units (CUs), distributed units (DUs), CU-control plane (CPs), CU-user plane (UPs), or radio units (RUs), etc. CUs and DUs can be separate entities or included in the same network element, such as a baseband unit (BBU). RUs can be included in radio frequency equipment or radio frequency units, such as remote radio units (RRUs), active antenna units (AAUs), or remote radio heads (RRHs).

[0141] In different systems, CU (or CU-CP and CU-UP), DU, or RU may have different names, but those skilled in the art will understand their meaning. For example, in an ORAN system, CU can also be called O-CU (open CU), DU can also be called O-DU, CU-CP can also be called O-CU-CP, CU-UP can also be called O-CU-UP, and RU can also be called O-RU. For ease of description, this application uses CU, CU-CP, CU-UP, DU, and RU as examples. Any of the units among CU (or CU-CP, CU-UP), DU, and RU in this application can be implemented through software modules, hardware modules, or a combination of software and hardware modules.

[0142] A terminal can also be called a terminal device, user equipment (UE), mobile station, mobile terminal, etc. Terminals can be widely used in various scenarios, such as device-to-device (D2D), vehicle-to-everything (V2X) communication, machine-type communication (MTC), Internet of Things (IoT), virtual reality, augmented reality, industrial control, autonomous driving, telemedicine, smart grids, smart furniture, smart offices, smart wearables, smart transportation, smart cities, etc. Terminals can be mobile phones, tablets, computers with wireless transceiver capabilities, wearable devices, vehicles, drones, helicopters, airplanes, ships, robots, robotic arms, smart home devices, etc.

[0143] In the embodiments of this application, the terminal and network device can be hardware devices, or software functions running on dedicated hardware, or software functions running on general-purpose hardware, such as virtualization functions instantiated on a platform (e.g., cloud platform), or entities that include dedicated or general-purpose hardware devices and software functions. This application does not limit the specific form of the terminal and network device.

[0144] To better understand the technical solutions provided in the embodiments of this application, some technical terms involved in the embodiments of this application will be briefly explained below.

[0145] 1. Integrated Sensing and Communication (ISAC)

[0146] ISAC technology refers to a new type of information processing technology that achieves coordinated sensing and communication functions based on the sharing of hardware and software resources or information. Its core idea is to utilize the existing infrastructure and resources of the communication system (such as base stations and antennas) to realize sensing functions, thereby avoiding redundant construction, reducing costs, and improving resource utilization.

[0147] 2. Cellular network sensing technology

[0148] Cellular sensing technology uses radio frequency signals from cellular communication systems for sensing, such as using radio frequency signals from communication systems for environmental imaging. Its basic principle is similar to that of synthetic aperture radar (SAR), but the main difference is that it does not require a dedicated radar system and can reuse signals from communication systems.

[0149] Referring to Figure 2, which is a schematic diagram of environmental imaging using radio frequency signals from a cellular network communication system provided in an embodiment of this application.

[0150] In Figure 2, vehicle 120b acts as a terminal, transmitting sensing signals. Base station 110a receives the echo signals and processes them to image the environment. The specific sensing link is shown by the dashed arrow in Figure 2.

[0151] In some implementations, the sensing signals transmitted by the terminal can be used solely for detection purposes or simultaneously for communication purposes. This method of achieving sensing and imaging through cooperation between the terminal and the base station is called bi-static sensing. Besides the terminal transmitting signals and the base station receiving them, the base station can also perform self-transmission and self-reception for environmental imaging; this sensing method is called mono-static sensing.

[0152] Compared to single-node sensing, multi-node collaborative sensing can achieve a larger coverage area and better sensing accuracy. In addition, observing targets from multiple angles can also obtain richer scattering intensity information, thereby obtaining angle diversity gain.

[0153] For example, by using multiple nodes to perceive the same target and obtaining the perception results from the perception links formed by different node combinations, the obtained perception results can be fused to obtain a better comprehensive perception result.

[0154] In cellular network communication systems, a resource block (RB) is a physical resource consisting of symbols in the time domain and consecutive subcarriers in the frequency domain. For cellular networks, RBs are the basis for multi-node cooperative communication or network communication. For example, in channel measurement, cellular networks allocate channel state information-reference signals (CSI-RS) that meet specific patterns on RBs.

[0155] In multi-node collaborative sensing technology, configurations such as sensing link selection, resource conflict resolution, power control, and frame structure all require detailed information about the nodes. Taking sensing link selection as an example, the sensing task needs to be completed using the minimum sensing resources while meeting sensing performance requirements. However, sensing performance is affected by many factors, including carrier wave, node location, antenna aperture, sensing mode, and transmit power. Therefore, when selecting nodes to participate in sensing and configuring sensing parameters, the central node / SF node (or SMF node) needs to comprehensively consider the node information of multiple nodes for integrated processing.

[0156] In this context, the sensing link can be understood as the propagation path of the sensing signal. For example, in a single-base sensing mode, the sensing node is responsible for both transmitting the sensing signal and receiving the echo signal reflected by the sensing target. Therefore, the sensing link can be described as: sensing node - sensing target - sensing node. In a dual-base sensing mode, the transmitting node is responsible for transmitting the sensing signal, and the central node is responsible for receiving the echo signal reflected by the sensing target. Therefore, the sensing link can be described as: transmitting node - sensing target - central node.

[0157] However, some node information is quite sensitive, such as the node's location, the orientation of its roof, and the number of antenna elements. If this information is transmitted over the air interface, there is an inevitable risk of privacy leakage.

[0158] Furthermore, unlike the communication transmission rate determined by the number of resource elements (REs) and modulation and coding schemes (MCS), the node location, antenna orientation, and number of antenna elements related to sensing performance do not directly reflect the sensing performance. The central node / SF node (or SMF node) needs to perform relatively complex calculations to deduce the sensing performance. Therefore, selecting a suitable sensing link from a complex link composed of multiple nodes requires a large amount of computation and places high demands on the computational performance of the central node / SF node (or SMF node), resulting in a large feedback delay.

[0159] Furthermore, in cellular network communication systems, RB only refers to time-frequency resource blocks. However, for sensing, its sensing performance is not only related to time-frequency resources, but also closely related to spatial resources. For example, time-domain resources reflect the speed measurement performance of sensing, frequency-domain resources reflect the ranging performance of sensing, and spatial resources reflect the angle measurement performance of sensing. Therefore, the existing RB cannot fully reflect the performance of sensing.

[0160] To address the aforementioned technical problems, this application provides a communication method. Sensing nodes can irreversibly transform sensitive node information into non-sensitive space-frequency resource pattern parameters for transmission. Without transmitting sensitive information over the air interface, the central node can select sensing links and configure sensing parameters using these space-frequency resource pattern parameters. This simplifies link selection and parameter configuration while reducing the risk of sensitive information leakage. Furthermore, based on the space-frequency resource pattern parameters, the central node can quickly infer the sensing performance of the sensing link with minimal computation, effectively reducing feedback latency. Moreover, by introducing parameters related to spatial resources, the performance of the sensing link can be better reflected.

[0161] In some embodiments, the communication method provided in this application can be executed by a communication device. The following description uses a first communication device and a second communication device as examples.

[0162] Optionally, the first communication device mentioned above belongs to the central node side. The central node can be of any form, such as a RAN node, SF node, sensing management function (SMF) network element, base station, artificial intelligence agent, cloud server, edge server, etc. No limitation is made in the embodiments of this application.

[0163] Optionally, the second communication device mentioned above belongs to the transmitting node or sensing node side. The transmitting node or sensing node can be of any form, such as a home or personal smart terminal, personal wearable device, industrial smart equipment, smart car, drone, artificial intelligence agent, etc.; or it can be a RAN node, base station, etc., which is not limited in this application embodiment.

[0164] For example, referring to Figure 3, Figure 3 is a schematic diagram of the architecture of a sensing system provided in an embodiment of this application.

[0165] It is understandable that the sensing system shown in Figure 3 adopts a multi-node collaborative, dual-base sensing mode.

[0166] In some implementations, the central node can be used to: broadcast location information of the sensing area, receive space-frequency resource map parameters from transmitting nodes (such as transmitting node a and transmitting node b), and send sensing parameters to transmitting nodes participating in cooperative sensing; the transmitting nodes are used to: receive location information of the sensing area from the central node, send space-frequency resource map parameters to the central node, and receive sensing parameters from the central node, etc. The specific communication link is shown by the solid arrow in Figure 3.

[0167] In some implementations, the transmitting node is also used to transmit sensing signals to the aforementioned sensing area, and the central node is also used to receive the echo signals reflected back by the aforementioned sensing signals through the sensing area. The specific sensing link is shown by the dashed arrow in Figure 3.

[0168] Based on the sensing system shown in Figure 3, and exemplarily referring to Figure 4, which is a flowchart illustrating a communication method provided in an embodiment of this application, the above-mentioned communication method may include:

[0169] S401, The first communication device sends the first information.

[0170] In some implementations, the first communication device may broadcast the aforementioned first information.

[0171] Optionally, the first information mentioned above includes the location information of the first region, which is the region to be sensed.

[0172] In some implementations, the first communication device may pre-determine the area to be sensed based on sensing service requirements or application scenarios. When the first communication device broadcasts the aforementioned first information, the location information of the area to be sensed is carried in the first information.

[0173] Optionally, the location information may include at least one of the following:

[0174] Geographic location information: such as the latitude and longitude coordinates (e.g., center coordinates) of the first region mentioned above, to determine the geographical location of the first region mentioned above.

[0175] Relative location information: such as the distance and direction of the first region relative to a known point.

[0176] Region boundary or shape information: including the boundary coordinates of the first region to define the boundary of the first region; or including the length, width, height and other information of the first region.

[0177] Topographic or environmental features: such as the topography, buildings, vegetation, etc. in the first area mentioned above.

[0178] In some embodiments, the first communication device described above can serve as the central node shown in FIG3.

[0179] In some embodiments, one or more second communication devices can receive the aforementioned first information. As shown in FIG4, second communication device a and second communication device b can respectively receive the aforementioned first information. Wherein, the aforementioned second communication device a and second communication device b can respectively serve as transmitting node a and transmitting node b as shown in FIG3.

[0180] S402, the first communication device receives first space frequency resource pattern parameters from at least one second communication device.

[0181] In some implementations, spatial-frequency resources may include resources in the spatial domain and the frequency domain. The spatial domain resources are the spatial resources available to the corresponding second communication device, and the frequency domain resources are the frequency range available to the corresponding second communication device.

[0182] The aforementioned pattern parameters are used to describe the distribution of the aforementioned space-frequency resources in various dimensions. For example, space-frequency resource pattern parameters can be used to describe space-frequency resources consisting of at least one continuous or discontinuous space-frequency resource block.

[0183] In some implementations, the first space frequency resource corresponds to the first region, and can also be understood as the first space frequency resource being used to perform a sensing task within the first region.

[0184] In some embodiments, after receiving the first information, the second communication device can determine its own first space-frequency resource pattern parameters relative to the first region based on its own corresponding first parameters.

[0185] Optionally, the first parameter may include at least one of the following:

[0186] Frequency domain resource parameters include the carrier frequency, physical resource block index, or subcarrier spacing corresponding to the second communication device mentioned above.

[0187] Airspace resource parameters: These include the physical location information of the second communication device relative to the first area. Alternatively, the relative location information of the second communication device and the first area.

[0188] Roof parameters: including the index of the antenna elements in the roof.

[0189] Power parameters: including the transmission power of the second communication device.

[0190] For example, after receiving the first information, the second communication device a can determine the first space-frequency resource pattern parameters relative to the first region based on its own corresponding first parameters, and send the determined first space-frequency resource pattern parameters to the first communication device.

[0191] The first space-frequency resource pattern parameter can be used to describe information such as the distribution location of the space-frequency resource blocks of the second communication device a relative to the first region.

[0192] Similarly, after receiving the first information, the second communication device b can also determine the first space-frequency resource pattern parameters relative to the first region based on its own corresponding first parameters, and send the determined first space-frequency resource pattern parameters to the first communication device.

[0193] S403, Send sensing parameters to one or more of the at least one second communication device.

[0194] In some implementations, after receiving a first space-frequency resource pattern parameter from a second communication device, the first communication device can determine the space-frequency resources of the sensing link corresponding to the second communication device based on the first space-frequency resource pattern parameter.

[0195] When the first communication device receives the first space-frequency resource pattern parameters from multiple second communication devices, the first communication device can select one or more second communication devices to participate in sensing based on the space-frequency resources of the sensing links corresponding to each second communication device, and determine the sensing parameters corresponding to the second communication devices participating in sensing based on the space-frequency resources of the sensing links corresponding to the second communication devices participating in sensing.

[0196] For example, as shown in Figure 4, when the first communication device receives the first space-frequency resource pattern parameters from the second communication device a and the second communication device b, it can determine the space-frequency resources of the sensing link corresponding to the second communication device a based on the first space-frequency resource pattern parameters from the second communication device a, and determine the space-frequency resources of the sensing link corresponding to the second communication device b based on the first space-frequency resource pattern parameters from the second communication device b. Furthermore, the first communication device can select the second communication device a and / or the second communication device b to participate in sensing based on the space-frequency resources of the sensing link corresponding to the second communication device a and the second communication device b. For example, in Figure 4, the first communication device selects the second communication device a to participate in sensing.

[0197] Optionally, the second communication device participating in sensing can be selected based on the number of space frequency resource blocks occupied by the sensing links corresponding to the second communication device a and the second communication device b.

[0198] For example, when selecting a single sensing link to participate in sensing, if the number of space frequency resource blocks occupied by the sensing link corresponding to the second communication device a is greater than the number of space frequency resource blocks occupied by the sensing link corresponding to the second communication device b, then the second communication device a is selected to participate in sensing; otherwise, the second communication device b is selected to participate in sensing.

[0199] In some implementations, when the first communication device selects the second communication device a to participate in sensing, it can determine the sensing parameters corresponding to the second communication device a based on the space frequency resources of the sensing link corresponding to the second communication device a, and send the sensing parameters to the second communication device a.

[0200] In some implementations, the aforementioned sensing parameters include second space-frequency resource pattern parameters.

[0201] In some embodiments, the first communication device may determine the second space-frequency resource pattern based on the first space-frequency resource pattern.

[0202] In some implementations, some or all of the space-frequency resource blocks determined by the first space-frequency resource pattern can be selected as the second space-frequency resource.

[0203] It is understandable that in traditional solutions, the aforementioned sensing parameters may include sensitive information such as carrier parameters and roof parameters, which may pose a risk of privacy leakage. In this embodiment, the second communication device maps the aforementioned sensitive information such as carrier parameters and roof parameters into first space-frequency resource pattern parameters and sends them to the first communication device. The first communication device can configure sensing parameters for the second communication device based on the received first space-frequency resource pattern parameters and feed them back to the second communication device. The entire process does not require the transmission of the aforementioned sensitive information over the air interface, thereby reducing the risk of leakage of the aforementioned sensitive information.

[0204] In some implementations, when the second communication device receives sensing parameters from the first communication device, it can configure its own carrier parameters, roof parameters, etc., by parsing the second space-frequency resource pattern parameters in the sensing parameters in order to perform corresponding sensing tasks.

[0205] Optionally, the second space-frequency resource pattern can be a subset of the first space-frequency resource pattern.

[0206] In some implementations, the first communication device may determine the number of space frequency resource blocks actually needed by the second communication device participating in the sensing based on the predetermined sensing service requirements or application scenarios, and select a corresponding number of space frequency resource blocks as the second space frequency resource from the first space frequency resource indicated by the first space frequency resource pattern according to the number of space frequency resource blocks actually needed by the second communication device and in accordance with a preset selection method.

[0207] Optionally, the above selection methods may include random selection, selection according to a preset distribution interval, selection according to the distribution order, etc.

[0208] Optionally, the second space-frequency resource pattern described above may also be larger than the first space-frequency resource pattern described above.

[0209] In some implementations, if it is determined that the number of space-frequency resource blocks actually required by the second communication device participating in sensing is greater than the number of space-frequency resource blocks indicated by the first space-frequency resource pattern, then in addition to the space-frequency resource blocks indicated by the first space-frequency resource pattern, the first communication device may also configure additional space-frequency resource blocks for the second communication device.

[0210] In some embodiments, when the second communication device a receives the aforementioned sensing parameters, it can transmit a sensing signal to the aforementioned first region based on the sensing parameters.

[0211] In some embodiments, the first communication device may receive the echo signal reflected back from the first region by the sensing signal, and determine the sensing result based on the received echo signal.

[0212] Understandably, in traditional solutions, the first communication device needs to determine the sensing performance of the sensing link corresponding to the second communication device based on information such as carrier parameters and antenna parameters reported by the second communication device. Since the aforementioned carrier parameters and antenna parameters do not directly reflect the performance of the sensing link, the first communication device needs to perform relatively complex calculations to deduce the performance of the sensing link, which requires a large amount of computation. In contrast, in the embodiments of this application, the first communication device can directly use the first space-frequency resource pattern parameters reported by the second communication device to determine the sensing performance of the sensing link corresponding to the second communication device, without the need for complex calculations, and can complete the selection of the sensing link.

[0213] In addition, in this embodiment of the application, the first communication device can also directly use the first space-frequency resource map parameters reported by the second communication device to configure the sensing parameters, without using the above-mentioned carrier parameters, roof parameters and other information, which simplifies the configuration of the sensing parameters.

[0214] Furthermore, the aforementioned first spatial frequency resource not only contains frequency domain resources but also spatial domain resources, thus providing a more comprehensive reflection of the performance of the sensing link.

[0215] The communication method provided in this application embodiment involves a second communication device transmitting sensitive information by mapping it to non-sensitive space-frequency resource pattern parameters. Without transmitting the aforementioned sensitive information over the air interface, the first communication device can utilize these space-frequency resource pattern parameters to select multiple sensing links. This simplifies the selection of sensing links and the configuration of sensing parameters while reducing the risk of sensitive information leakage. Furthermore, based on the space-frequency resource pattern parameters, the first communication device can quickly infer the sensing performance of the sensing links with minimal computational cost, effectively reducing feedback latency. Moreover, by introducing parameters related to airspace resources, the performance of the sensing links can be better reflected.

[0216] Optionally, the first information may also include space-frequency resource block parameters, which can be used to define multiple space-frequency resource blocks.

[0217] For example, referring to Figure 5, which is a schematic diagram of a space frequency resource block grid provided in an embodiment of this application.

[0218] In some implementations, the aforementioned space-frequency resource block parameters are used to describe the specific information of the space-frequency resource block grid composed of multiple space-frequency resource blocks shown in Figure 5, so that the subsequent second communication device can map its own spatial domain resources and frequency domain resources to the space-frequency resource block grid. In this way, each node can perform resource mapping and combination within the same set of space-frequency resource block grids to select nodes and configure sensing parameters.

[0219] It is understood that if the first and second communication devices have already stored or preset standard space frequency resource block parameters, then the first information may not need to carry the space frequency resource block parameters.

[0220] Optionally, the above-mentioned spatial frequency resource block parameters may include at least one of the following: the spatial frequency interval in each coordinate axis direction, the number of resource particles in each coordinate axis direction, or the coordinates of the reference point position.

[0221] In a given coordinate axis direction, the spatial frequency interval determines the minimum distinguishable spatial frequency interval (used to define a single resource particle) in that direction, while the number of resource particles determines the total number of resource particles contained in that direction. The spatial frequency interval and the number of resource particles together determine the resolution of the frequency domain in that direction. The coordinates of the reference point determine the starting point or center point of the spatial frequency domain.

[0222] In some implementations, the spatial frequency spacing of the space frequency resource block in each coordinate axis direction can be determined by the subcarrier spacing (SCS).

[0223] For example, taking a two-dimensional space-frequency resource block as an example, in order to define the above-mentioned space-frequency resource block mesh, the space-frequency resource block parameters may include:

[0224] Where, Δf x , Δf y These represent the space frequency resource blocks along f. x Axial direction and f y The spatial frequency interval along the axis can also be expressed as SCS. x SCS y ; These represent the space frequency resource blocks along f. x Axial direction and f y The number of resource particles along the axial direction; This indicates the coordinates of the reference point of the aforementioned space frequency resource block, such as the coordinates of the center of the space frequency resource block grid.

[0225] In some implementations, for a three-dimensional space-frequency resource block (mapped from two-dimensional spatial resources and one-dimensional frequency resources), the space-frequency resource block parameters may include:

[0226] Where, Δf z Indicates the space frequency resource block along f z The spatial frequency interval along the axis can also be expressed as SCS. z ; Indicates the space frequency resource block along f z The number of resource particles in the axial direction. This indicates the coordinates of the reference point of the aforementioned space frequency resource block, such as the coordinates of the center of the space frequency resource block grid.

[0227] In this embodiment of the application, by carrying the space-frequency resource block parameters in the first information, the second communication device can accurately parse the specific information of the space-frequency resource block grid composed of multiple space-frequency resource blocks, which helps to map its own spatial domain resources and frequency domain resources to the space-frequency resource block grid and generate the first space-frequency resource pattern parameters.

[0228] Based on the sensing system shown in Figure 3, and exemplarily referring to Figure 6, which is a schematic flowchart of a communication method provided in an embodiment of this application, the above-mentioned communication method may include:

[0229] S601, The first communication device sends the first information.

[0230] Optionally, the first information mentioned above includes the location information of the first region, which is the region to be sensed.

[0231] In some embodiments, the first communication device may broadcast the first information. Correspondingly, one or more second communication devices (such as second communication device a and second communication device b) receive the first information.

[0232] It is understood that the content described in step S601 above can refer to the content described in step S401 in the above embodiment, and will not be repeated here.

[0233] S602, the second communication device a determines the parameters of the first space-frequency resource pattern relative to the first region.

[0234] In some embodiments, the second communication device a can determine the first space-frequency resource pattern parameters relative to the first region based on its own corresponding first parameters.

[0235] Optionally, the first parameter may include at least one of the following:

[0236] Frequency domain resource parameters include the carrier frequency corresponding to the second communication device a, the index of the physical resource block or SCS, etc.

[0237] Airspace resource parameters: including the physical location information of the second communication device a relative to the aforementioned first area. Alternatively, the relative location information of the second communication device a and the aforementioned first area.

[0238] Roof parameters: including the index of the antenna elements in the roof.

[0239] Power parameters: including the transmission power of the second communication device.

[0240] In some implementations, the second communication device a can determine its first space-frequency resource pattern parameters relative to the first region by mapping its own first parameters to the space-frequency resource blocks.

[0241] In some implementations, the first spatial frequency resource pattern parameters can be determined based on the observation angle and the target frequency. The observation angle can be determined by mapping the spatial resources corresponding to the second communication device a to each antenna element. The target frequency can be determined based on the frequency domain resource parameters corresponding to the second communication device a. The frequency domain resource parameters include at least one of the following: carrier frequency, physical resource block index, or SCS.

[0242] In some implementations, taking a two-dimensional space-frequency resource block as an example, the location information and incident power of the space-frequency resource block corresponding to the second communication device a can be determined in the following manner:

[0243] Map the airspace resources (location, rooftop information) of the second communication device a to each antenna element to determine the observation angle θ:

[0244] In the above formula, (x, y) are the position coordinates of the second communication device a in the coordinate system established with the center of the first region as the origin, Δd is the spacing of the antenna elements in the roof of the second communication device a, and m is the index of the antenna element. It is the cosine of the angle between the roof normal and the line connecting the center of the sensing area and the center of the antenna.

[0245] Furthermore, the frequency domain resource parameters fc, SCS, and N of the second communication device a are... RE Mapped to frequency f: f = fc + N RE ·SCS;

[0246] In the above formula, f c N is the carrier frequency. RE This is an index for physical resource blocks.

[0247] Furthermore, based on the frequency f and the observation angle θ, the location information (f) of the space-frequency resource block of the second communication device a is determined. x f y ), where: f x =fsinθ,f y =fcosθ;

[0248] The incident power of the second communication device a in the aforementioned space frequency resource block is:

[0249] In the above formula, P tx Let be the transmission power of the second communication device a on the subcarrier, α be the scaling factor, and be a constant.

[0250] Through the above implementation method, the spatial and frequency domain resources corresponding to the second communication device a can be mapped to the spatial-frequency resource block. As a result, the information of the above spatial and frequency domain resources does not need to be transmitted over the air interface, reducing the risk of leakage of sensitive information.

[0251] In some implementations, after determining each space-frequency resource block corresponding to the second communication device a, the aforementioned first space-frequency resource pattern parameters can be generated based on the determined space-frequency resource blocks.

[0252] Optionally, in some embodiments, the first space-frequency resource pattern parameter may include a bitmap, which is used to indicate that at least one of a plurality of space-frequency resource blocks is the space-frequency resource block corresponding to the second communication device.

[0253] For example, the bitmap described above can be a two-dimensional matrix, where each bit in the two-dimensional matrix corresponds to a space frequency resource block. Optionally, when the value of a bit in the two-dimensional matrix is ​​1, it indicates that the space frequency resource block corresponding to that bit is a space frequency resource block of the second communication device; or, when the value of a bit in the two-dimensional matrix is ​​0, it indicates that the space frequency resource block corresponding to that bit is a space frequency resource block of the second communication device.

[0254] In the above implementation, the space frequency resource block corresponding to the second communication device is indicated by a bitmap, which occupies little data space, helps to reduce the amount of data transmitted during the communication process, and at the same time reduces the complexity of parameter design.

[0255] Optionally, in some embodiments, the first space-frequency resource pattern parameters may also include the location information of at least one space-frequency resource block.

[0256] For example, the first space-frequency resource pattern parameters mentioned above may include the location information of one or more space-frequency resource blocks, which are space-frequency resource blocks of the second communication device a.

[0257] For example, the parameters of the first space-frequency resource pattern mentioned above may include:

[0258] or,

[0259] in, This represents the location coordinates of the i-th space frequency resource block; The index represents the location of the i-th space frequency resource block.

[0260] In the above embodiments, by providing specific location information of the space frequency resource block, the resource block that the second communication device a should use can be accurately indicated, avoiding resource confusion and conflict. At the same time, the second communication device a can quickly identify and locate the required space frequency resource block, improving sensing efficiency.

[0261] Alternatively, in some embodiments, the first space-frequency resource pattern parameters mentioned above include the location information of at least one space-frequency resource block and the incident power corresponding to the at least one space-frequency resource block.

[0262] For example, the parameters of the first space-frequency resource pattern mentioned above can be:

[0263] or,

[0264] in, This represents the location of the i-th space frequency resource block and its corresponding incident power; P represents the index of the location of the i-th space frequency resource block. i This represents the incident power corresponding to the i-th space frequency resource block.

[0265] In the above embodiments, the explicit indication of location information enables both the first and second communication devices to quickly locate and allocate the required space frequency resource blocks, avoiding resource confusion and conflict; the provision of incident power helps both the first and second communication devices to understand the signal strength on each space frequency resource block, thereby achieving precise power control.

[0266] In some implementations, the parameters of the first space-frequency resource pattern mentioned above may include:

[0267] Information on the distribution of at least one space-frequency resource block, the information on the distribution of at least one space-frequency resource block being associated with a distribution rule, which may be predefined.

[0268] Optionally, the above distribution rules include periodic distribution, interval distribution, continuous distribution, etc.

[0269] It is understandable that if the space frequency resource blocks of the second communication device meet a certain distribution rule, the parameters of the first space frequency resource pattern can be further compressed.

[0270] For example, suppose that the various space-frequency resource blocks of the second communication device... P i The parameters remain consistent, and along f x If the distribution is continuous in direction, then the parameters of the first space-frequency resource pattern mentioned above may only include the starting position of the space-frequency resource block. and the end position

[0271] In the above embodiments, if the space frequency resource blocks of the second communication device meet a certain specific distribution rule, it is not necessary to list the specific location information of each space frequency resource block one by one. Only a small amount of information is needed to completely describe the distribution of the resource blocks, which effectively reduces the amount of data that the communication device needs to transmit or store, and reduces the complexity of the space frequency resource pattern parameters.

[0272] For example, referring to Figure 7, which is a schematic diagram of the mapping of a space frequency resource block provided in an embodiment of this application.

[0273] In Figure 7, the shaded space-frequency resource block is the first space-frequency resource block of the second communication device a relative to the first region.

[0274] Optionally, the aforementioned first space-frequency resource pattern parameters include transmit space-frequency resource pattern parameters; these transmit space-frequency resource pattern parameters can be used to indicate the space-frequency resources corresponding to the transmit sensing signal of the second communication device a.

[0275] S603, the second communication device a sends the first space frequency resource pattern parameters to the first communication device.

[0276] S604, the second communication device b determines the parameters of the first space-frequency resource pattern relative to the first region.

[0277] In some implementations, the second communication device b can determine the first space-frequency resource pattern parameters relative to the first region based on its own corresponding first parameters.

[0278] It is understood that the way the second communication device b determines the first space-frequency resource pattern parameters relative to the first region based on its own corresponding first parameters is the same as the way the second communication device a determines the first space-frequency resource pattern parameters relative to the first region based on its own corresponding first parameters in step S602. The detailed process can be referred to the description in step S602 above, and will not be repeated here.

[0279] Optionally, the aforementioned first space-frequency resource pattern parameters include transmit space-frequency resource pattern parameters; these transmit space-frequency resource pattern parameters can be used to indicate the space-frequency resources corresponding to the transmit sensing signals of the second communication device b.

[0280] S605, the second communication device b sends the first space frequency resource pattern parameters to the first communication device.

[0281] S606, The first communication device determines the second communication device participating in the sensing and its sensing parameters.

[0282] In some implementations, the first communication device may determine the space-frequency resources of the sensing link corresponding to the second communication device a based on the transmit space-frequency resource pattern parameters from the second communication device a and its own corresponding receive space-frequency resources; determine the space-frequency resources of the sensing link corresponding to the second communication device b based on the transmit space-frequency resource pattern parameters from the second communication device b and its own corresponding receive space-frequency resources; and select the second communication device a and / or the second communication device b to participate in sensing based on the space-frequency resources of the sensing link corresponding to the second communication device a and the space-frequency resources of the sensing link corresponding to the second communication device b.

[0283] Optionally, the first communication device can combine the transmit space-frequency resource pattern of the second communication device a with its own receive space-frequency resource pattern to determine the space-frequency resource pattern of the sensing link corresponding to the second communication device a; combine the transmit space-frequency resource pattern of the second communication device b with its own receive space-frequency resource pattern to determine the space-frequency resource pattern of the sensing link corresponding to the second communication device b; compare the space-frequency resource pattern of the sensing link corresponding to the second communication device a with the space-frequency resource pattern of the sensing link corresponding to the second communication device b, and select the sensing link corresponding to the space-frequency resource pattern with the largest area to participate in sensing.

[0284] Optionally, the first communication device combines the transmit space-frequency resource pattern of the second communication device a with its own receive space-frequency resource pattern, including performing vector operations (such as vector addition) on the transmit space-frequency resource pattern of the second communication device a and its own receive space-frequency resource pattern to determine the space-frequency resource pattern of the sensing link corresponding to the second communication device a.

[0285] For example, if the area of ​​the space-frequency resource pattern of the sensing link corresponding to the second communication device a is greater than the area of ​​the space-frequency resource pattern of the sensing link corresponding to the second communication device b, then the second communication device a is selected to participate in sensing.

[0286] Optionally, the second communication device participating in sensing can be selected based on the number of space frequency resource blocks occupied by the sensing links corresponding to the second communication device a and the second communication device b.

[0287] For example, when selecting a single sensing link to participate in sensing, if the number of space frequency resource blocks occupied by the sensing link corresponding to the second communication device a is greater than the number of space frequency resource blocks occupied by the sensing link corresponding to the second communication device b, then the second communication device a is selected to participate in sensing; otherwise, the second communication device b is selected to participate in sensing.

[0288] In some implementations, if the first communication device selects the second communication device a to participate in sensing, the sensing parameters corresponding to the second communication device a are further determined.

[0289] In some embodiments, the aforementioned sensing parameters include second space-frequency resource pattern parameters, which can be used to indicate the actual space-frequency resources corresponding to the sensing signal transmitted by the second communication device a. Based on these second space-frequency resource pattern parameters, the second communication device a can determine information such as carrier parameters, roof parameters, and power parameters of the transmitted sensing signal.

[0290] Optionally, the second space-frequency resource pattern can be a subset of the first space-frequency resource pattern.

[0291] In some implementations, the first communication device may determine the number of space frequency resource blocks actually needed by the second communication device a based on predetermined sensing service requirements or application scenarios, and select a corresponding number of space frequency resource blocks as the second space frequency resource from the first space frequency resource indicated by the first space frequency resource pattern according to the number of space frequency resource blocks actually needed by the second communication device a and in accordance with a preset selection method.

[0292] Optionally, the above selection methods include random selection, selection according to a preset distribution interval, and selection according to the distribution order.

[0293] Optionally, the second space-frequency resource pattern described above may also be larger than the first space-frequency resource pattern described above.

[0294] In some implementations, if the number of space-frequency resource blocks actually required by the second communication device a is greater than the number of space-frequency resource blocks indicated by the first space-frequency resource pattern, then in addition to the space-frequency resource blocks indicated by the first space-frequency resource pattern, the first communication device may also configure additional space-frequency resource blocks for the second communication device a.

[0295] In some implementations, the sensing parameters may further include at least one of the following:

[0296] Time-domain parameters: such as the number of symbols and the duration of the symbols.

[0297] Code field parameters: such as code length, code rate, information field length, etc.

[0298] First indication information: Used to indicate whether to send the sensing result. For example, the first indication information can be a single bit, where a value of 0 indicates that the sensing result is not transmitted, and a value of 1 indicates that the sensing result needs to be transmitted; or, a value of 1 indicates that the sensing result is not transmitted, and a value of 0 indicates that the sensing result needs to be transmitted.

[0299] The second indication information is used to indicate whether the sensing result carries phase information. For example, the first indication information can also be a single bit, where a value of 0 indicates that no phase information is carried, and a value of 1 indicates that phase information needs to be carried; or, a value of 1 indicates that no phase information is carried, and a value of 0 indicates that phase information needs to be carried.

[0300] In some implementations, if the first indication information indicates that the sensing result should be sent, the second communication device needs to send the sensing result to the first communication device after determining the sensing result.

[0301] In addition, if the second indication information indicates that the sensing result carries phase information, then the sensing result sent by the second communication device needs to carry phase information.

[0302] In the above implementation, by introducing time-domain parameters and code-domain parameters, the second communication device can be helped to accurately configure the transmission time and encoding method of the sensing signal according to the time-domain parameters and code-domain parameters. In addition, by introducing the first indication information and the second indication information, the second communication device can be flexibly controlled to send the sensing results, thereby avoiding unnecessary resource consumption and air interface overhead.

[0303] In some embodiments, the second space-frequency resource pattern parameters may also include a bitmap, which indicates that at least one of the plurality of space-frequency resource blocks is a space-frequency resource block for the second communication device to transmit sensing signals.

[0304] In some implementations, the first space-frequency resource pattern parameters may also include the location information of at least one space-frequency resource block.

[0305] Alternatively, in some embodiments, the first space-frequency resource pattern parameters mentioned above include the location information of at least one space-frequency resource block and the incident power corresponding to the at least one space-frequency resource block.

[0306] It is understood that the specific form of the second space-frequency resource pattern parameters is the same as that of the first space-frequency resource pattern parameters. For details, please refer to the description of the first space-frequency resource pattern parameters in the above embodiments, which will not be repeated here.

[0307] S607, The first communication device sends sensing parameters to the second communication device participating in the sensing.

[0308] For example, if the first communication device selects the second communication device a to participate in sensing, then it sends its corresponding sensing parameters to the second communication device a.

[0309] S608, the second communication device transmits a sensing signal based on the received sensing parameters.

[0310] In some implementations, the second communication device a can configure transmission parameters based on the received sensing parameters, and transmit sensing signals to the first region based on the transmission parameters.

[0311] Optionally, the above transmission parameters include at least some of the following: subcarrier selection information, antenna element (port) selection information, transmission power, power reaching the first communication device, path loss attenuation, etc.

[0312] S609. The first communication device receives the echo signal and determines the sensing result based on the received echo signal.

[0313] Optionally, the above perception results may include information such as the perceived target's position, speed, distance, and shape.

[0314] In this embodiment of the application, when the first communication device selects the sensing link and configures the sensing parameters, it can use the insensitive first space frequency resource pattern parameters, which not only reduces the overhead of air interface transmission, but also reduces the risk of leakage of sensitive information.

[0315] Based on the sensing system shown in Figure 3, and exemplarily referring to Figure 8, which is a flowchart illustrating a communication method provided in an embodiment of this application, the above-mentioned communication method may include:

[0316] S801, the first communication device sends the aforementioned first information.

[0317] S802, the second communication device a determines the parameters of the first space frequency resource pattern relative to the first region.

[0318] S803, the second communication device a sends the first space frequency resource pattern parameters to the first communication device.

[0319] S804, the second communication device b determines the parameters of the first space-frequency resource pattern relative to the first region.

[0320] S805, the second communication device b sends the first space frequency resource pattern parameters to the first communication device.

[0321] S806, The first communication device determines the second communication device participating in the sensing and its sensing parameters.

[0322] It is understood that the content described in steps S801 to S806 above can be referred to the content described in steps S601 to S606 in the above embodiments, and will not be repeated here.

[0323] S807, The first communication device sends sensing parameters to the second communication device participating in the sensing.

[0324] In some implementations, if the first communication device selects the second communication device a and the second communication device b to participate in sensing, then it sends the sensing parameters corresponding to the second communication device a to the second communication device a and sends the sensing parameters corresponding to the second communication device b to the second communication device b.

[0325] S808, the second communication device a transmits a sensing signal based on the received sensing parameters.

[0326] In some implementations, the second communication device a can configure transmission parameters based on the received sensing parameters, and transmit sensing signals to the first region based on the transmission parameters.

[0327] S809, the second communication device b transmits a sensing signal based on the received sensing parameters.

[0328] In some implementations, the second communication device b can configure transmission parameters based on the received sensing parameters, and transmit sensing signals to the first region based on the transmission parameters.

[0329] S810, The first communication device receives the echo signal and determines the coherent sensing result based on the received echo signal.

[0330] In some embodiments, the first communication device receives the echo signals corresponding to the sensing signals transmitted by the second communication device a and the second communication device b, respectively, and performs joint processing on the received echo signals to determine the coherent sensing result.

[0331] In this embodiment of the application, higher sensing accuracy can be achieved than that of a single second communication device through the collaborative sensing of the second communication device a and the second communication device b.

[0332] For example, referring to Figure 9, which is a schematic diagram of the architecture of a sensing system provided in an embodiment of this application.

[0333] It is understandable that the sensing system shown in Figure 9 adopts a multi-node collaborative, single-base sensing mode.

[0334] In some implementations, the central node is used to select appropriate sensing nodes for single-base sensing, and does not participate in the formation of the sensing link itself (i.e., the central node is neither a transmitting node nor a receiving node).

[0335] For example, the central node can be used to broadcast the location information of the area to be sensed, receive space-frequency resource map parameters from the transmitting nodes (such as transmitting node a and transmitting node b), and send sensing parameters to the transmitting nodes participating in cooperative sensing, etc.; the sensing node can be used to receive the location information of the area to be sensed from the central node, send space-frequency resource map parameters to the central node, and receive sensing parameters from the central node, etc. The specific communication link is shown by the solid arrow in Figure 9.

[0336] In some implementations, the sensing node is also used to transmit sensing signals and receive echo signals reflected back from the sensing area by the aforementioned sensing signals. The specific sensing link is shown by the dashed arrow in Figure 9.

[0337] Optionally, the aforementioned central node can be a base station, or an SF network element or SMF network element of the core network.

[0338] Optionally, the aforementioned sensing nodes can be terminal devices or network devices.

[0339] Based on the sensing system shown in Figure 9, and exemplarily referring to Figure 10, which is a flowchart illustrating a communication method provided in an embodiment of this application, the above-mentioned communication method may include:

[0340] S1001, The first communication device sends the first information.

[0341] Optionally, the first information mentioned above includes the location information of the first region, which is the region to be sensed.

[0342] In some embodiments, the first communication device may broadcast the first information. Correspondingly, one or more second communication devices (such as second communication device a and second communication device b) receive the first information.

[0343] It is understood that the content described in step S1001 above can refer to the content described in step S401 in the above embodiment, and will not be repeated here.

[0344] S1002, the second communication device a determines the parameters of the first space-frequency resource pattern relative to the first region.

[0345] In some embodiments, the aforementioned first space-frequency resource pattern parameters include transmit space-frequency resource pattern parameters and receive space-frequency resource pattern parameters. The transmit space-frequency resource pattern parameters are used to indicate the space-frequency resources for the second communication device a to transmit sensing signals, and the receive space-frequency resource pattern parameters are used to indicate the space-frequency resources for the second communication device a to receive echo signals.

[0346] It is understood that the method by which the second communication device a determines the parameters of the first space-frequency resource pattern relative to the first region can refer to the description in step S602 of the above embodiment, and will not be repeated here.

[0347] S1003, the second communication device a sends the first space frequency resource pattern parameters to the first communication device.

[0348] S1004, the second communication device b determines the parameters of the first space-frequency resource pattern relative to the first region.

[0349] In some embodiments, the first space-frequency resource pattern parameters include transmit space-frequency resource pattern parameters and receive space-frequency resource pattern parameters. The transmit space-frequency resource pattern parameters are used to indicate the space-frequency resources for the second communication device b to transmit sensing signals, and the receive space-frequency resource pattern parameters are used to indicate the space-frequency resources for the second communication device b to receive echo signals.

[0350] It is understood that the method by which the second communication device b determines the parameters of the first space-frequency resource pattern relative to the first region can also refer to the description in step S602 of the above embodiment, and will not be repeated here.

[0351] S1005, the second communication device b sends the first space frequency resource pattern parameters to the first communication device.

[0352] S1006, The first communication device determines the second communication device participating in the sensing and its sensing parameters.

[0353] In some implementations, the first communication device may determine the space-frequency resources of the sensing link corresponding to the second communication device a based on the transmit space-frequency resource pattern parameters and receive space-frequency resource pattern parameters from the second communication device a; determine the space-frequency resources of the sensing link corresponding to the second communication device b based on the transmit space-frequency resource pattern parameters and receive space-frequency resource pattern parameters from the second communication device b; and select the second communication device a and / or the second communication device b to participate in sensing based on the space-frequency resources of the sensing link corresponding to the second communication device a and the space-frequency resources of the sensing link corresponding to the second communication device b.

[0354] Optionally, the first communication device can combine the transmit and receive space-frequency resource patterns of the second communication device a to determine the space-frequency resource pattern of the sensing link corresponding to the second communication device a; combine the transmit and receive space-frequency resource patterns of the second communication device b to determine the space-frequency resource pattern of the sensing link corresponding to the second communication device b; compare the space-frequency resource patterns of the sensing link corresponding to the second communication device a and the sensing link corresponding to the second communication device b, and select the sensing link corresponding to the space-frequency resource pattern with the largest area to participate in sensing.

[0355] For example, if the area of ​​the space-frequency resource pattern of the sensing link corresponding to the second communication device a is greater than the area of ​​the space-frequency resource pattern of the sensing link corresponding to the second communication device b, then the second communication device a is selected to participate in sensing.

[0356] Optionally, the second communication device participating in sensing can be selected based on the number of space frequency resource blocks occupied by the sensing links corresponding to the second communication device a and the second communication device b.

[0357] For example, when selecting a single sensing link to participate in sensing, if the number of space frequency resource blocks occupied by the sensing link corresponding to the second communication device a is greater than the number of space frequency resource blocks occupied by the sensing link corresponding to the second communication device b, then the second communication device a is selected to participate in sensing; otherwise, the second communication device b is selected to participate in sensing.

[0358] In some implementations, if the first communication device selects the second communication device a to participate in sensing, the sensing parameters corresponding to the second communication device a are further determined.

[0359] In some embodiments, the aforementioned sensing parameters include second space-frequency resource pattern parameters, which may include the transmitted space-frequency resource pattern parameters actually corresponding to the transmitted sensing signal of the second communication device a, and the received space-frequency resource pattern parameters actually corresponding to the received sensing signal.

[0360] S1007, The first communication device sends sensing parameters to the second communication device participating in the sensing.

[0361] In some implementations, if the first communication device selects the second communication device a to participate in sensing, then it sends its corresponding sensing parameters to the second communication device a.

[0362] S1008. The second communication device performs sensing measurements based on the received sensing parameters.

[0363] In some embodiments, the second communication device a can transmit a sensing signal to the first region based on the received sensing parameters. Additionally, the second communication device a can also receive the echo signal of the sensing signal passing through the first region, and perform sensing measurements based on the received echo signal to determine the sensing result.

[0364] S1009, The second communication device sends the sensing results to the first communication device.

[0365] In some implementations, when the second communication device a determines the sensing result, it may send the sensing result to the first communication device.

[0366] In some implementations, when the second communication device a determines the sensing result, it can parse the first indication information in the received sensing parameters. If the first indication information indicates that the sensing result should be sent, the second communication device a will send the sensing result to the first communication device after determining the sensing result; otherwise, it will not send the sensing result.

[0367] In some implementations, when the second communication device a determines the sensing result, it can also parse the second indication information in the received sensing parameters. If the second indication information indicates that the sensing result carries phase information, then the sensing result sent by the second communication device a needs to carry phase information; otherwise, it does not carry phase information.

[0368] In this embodiment of the application, under the multi-node collaboration and single-base sensing mode, the second communication device transmits sensitive information by mapping it to non-sensitive space-frequency resource pattern parameters. Without transmitting the aforementioned sensitive information over the air interface, the first communication device can use the aforementioned space-frequency resource pattern parameters to select the sensing link and configure the sensing parameters. This simplifies the selection of the sensing link and the configuration of the sensing parameters while reducing the risk of sensitive information leakage.

[0369] Based on the sensing system shown in Figure 9, and exemplarily referring to Figure 11, Figure 11 is a flowchart illustrating a communication method provided in an embodiment of this application. In some embodiments of this application, the above-mentioned communication method may include:

[0370] S1101, The first communication device sends the first information.

[0371] S1102, the second communication device a determines the parameters of the first space-frequency resource pattern relative to the first region.

[0372] S1103, the second communication device a sends the first space frequency resource pattern parameters to the first communication device.

[0373] S1104, the second communication device b determines the parameters of the first space-frequency resource pattern relative to the first region.

[0374] S1105, the second communication device b sends the first space frequency resource pattern parameters to the first communication device.

[0375] It is understood that the content described in steps S1101 to S1105 above can refer to the content described in steps S1001 to S1005 in the above embodiments, and will not be repeated here.

[0376] S1106, The first communication device determines the second communication device participating in the sensing and its sensing parameters.

[0377] For example, if the first communication device selects the second communication device a and the second communication device b to participate in sensing, then the sensing parameters corresponding to the second communication device a and the second communication device b are determined respectively.

[0378] Optionally, the sensing parameters corresponding to the second communication device a and the second communication device b both include transmitted space frequency resource pattern parameters and received space frequency resource pattern parameters.

[0379] S1107, The first communication device sends sensing parameters to the second communication device participating in the sensing.

[0380] In some implementations, if the first communication device selects the second communication device a and the second communication device b to participate in sensing, then it sends the sensing parameters corresponding to the second communication device a to the second communication device a and sends the sensing parameters corresponding to the second communication device a to the second communication device b.

[0381] S1108. The second communication device a performs sensing measurements based on the received sensing parameters.

[0382] In some embodiments, the second communication device a can transmit a sensing signal to the first region based on the received sensing parameters; in addition, the second communication device a can also receive the echo signal of the sensing signal and perform sensing measurement based on the received echo signal to determine the sensing result.

[0383] S1109. The second communication device b performs sensing measurements based on the received sensing parameters.

[0384] In some embodiments, the second communication device b can transmit a sensing signal to the first region based on the received sensing parameters; in addition, the second communication device b can also receive the echo signal of the sensing signal and perform sensing measurement based on the received echo signal to determine the sensing result.

[0385] S1110, The second communication device sends the sensing results to the first communication device.

[0386] In some implementations, when the second communication device a and the second communication device b determine the sensing result, they can respectively send the sensing result to the first communication device.

[0387] In some implementations, when the second communication device a and the second communication device b determine the sensing result, they can parse the first indication information in the sensing parameters they receive. If the first indication information indicates that the sensing result should be sent, then the sensing result should be sent to the first communication device; otherwise, the sensing result should not be sent.

[0388] In some implementations, when the second communication device a and the second communication device b determine the sensing result, they can also parse the second indication information in the received sensing parameters. If the second indication information indicates that the sensing result carries phase information, then the sent sensing result needs to carry phase information; otherwise, it does not carry phase information.

[0389] S1111 The first communication device performs non-coherent sensing fusion based on the received sensing results.

[0390] In this embodiment of the application, under the multi-node collaboration and single-base sensing mode, higher sensing accuracy can be achieved through the collaborative sensing of the second communication device a and the second communication device b than that of a single second communication device.

[0391] For example, referring to Figure 12, which is a schematic diagram of the architecture of a sensing system provided in an embodiment of this application.

[0392] It is understandable that the sensing system shown in Figure 12 adopts a multi-node collaboration, single-base sensing and dual-base sensing fusion mode.

[0393] For example, the central node can be used to broadcast the location information of the area to be sensed, receive space-frequency resource map parameters from the transmitting node and the sensing node, and send sensing parameters to the transmitting node and / or sensing node participating in the cooperative sensing, etc.; the sensing node can be used to receive the location information of the area to be sensed from the central node, send space-frequency resource map parameters to the central node, and receive sensing parameters from the central node, etc. The specific communication link is shown by the solid arrow in Figure 12.

[0394] In some implementations, the sensing node is also used to transmit sensing signals and receive echo signals reflected back from the sensing target by the aforementioned sensing signals. The specific sensing link is shown by the dashed arrow in Figure 12.

[0395] In some implementations, the transmitting node is also used to transmit sensing signals, and the central node is also used to receive the echo signals reflected back by the sensing target from the aforementioned sensing signals. The specific sensing link is shown by the dashed arrow in Figure 12.

[0396] Optionally, the aforementioned central node can be a base station, or an SF network element or SMF network element of the core network.

[0397] Optionally, the aforementioned sensing nodes and transmitting nodes can be terminal devices or network devices.

[0398] Based on the sensing system shown in Figure 12, and exemplarily referring to Figure 13, which is a flowchart illustrating a communication method provided in an embodiment of this application, the above-mentioned communication method may include:

[0399] S1301, The first communication device sends the first information.

[0400] Optionally, the first information mentioned above includes the location information of the first region, which is the region to be sensed.

[0401] In some embodiments, the first communication device may broadcast the first information. Correspondingly, one or more second communication devices (such as second communication device a and second communication device b) receive the first information.

[0402] In this context, the second communication device a can be the sensing node shown in Figure 12, and the second communication device b can be the transmitting node shown in Figure 12.

[0403] It is understood that the content described in step S1301 above can refer to the content described in step S401 in the above embodiment, and will not be repeated here.

[0404] S1302, the second communication device a determines the parameters of the first space-frequency resource pattern relative to the first region.

[0405] In some implementations, the first space-frequency resource pattern parameters mentioned above include transmit space-frequency resource pattern parameters and receive space-frequency resource pattern parameters.

[0406] It is understood that the method by which the second communication device a determines the parameters of the first space-frequency resource pattern relative to the first region can be referred to the description in step S602 above, and will not be repeated here.

[0407] S1303, the second communication device a sends the first space frequency resource pattern parameters to the first communication device.

[0408] S1304, The first communication device determines the second communication device participating in the sensing and its sensing parameters.

[0409] In some implementations, the first communication device can determine the space-frequency resources of the sensing link corresponding to the second communication device a based on the transmit space-frequency resource pattern parameters and receive space-frequency resource pattern parameters from the second communication device a; and determine whether the second communication device a participates in sensing based on the space-frequency resources of the sensing link corresponding to the second communication device a.

[0410] For example, if the first communication device selects the second communication device a to participate in sensing, then the sensing parameters corresponding to the second communication device a are further determined.

[0411] S1305, the second communication device b determines the parameters of the first space-frequency resource pattern relative to the first region.

[0412] In some implementations, the first space-frequency resource pattern parameters mentioned above include transmit space-frequency resource pattern parameters.

[0413] It is understood that the method by which the second communication device b determines the parameters of the first space-frequency resource pattern relative to the first region can also refer to the description in step S602 above, and will not be repeated here.

[0414] S1306, The second communication device b sends the first space frequency resource pattern parameters to the first communication device.

[0415] S1307, The first communication device determines the second communication device participating in the sensing and its sensing parameters.

[0416] In some implementations, the first communication device can determine the space-frequency resources of the sensing link corresponding to the second communication device b based on the transmit space-frequency resource pattern parameters from the second communication device b and its own corresponding receive space-frequency resources; and determine whether the second communication device b participates in sensing based on the space-frequency resources of the sensing link corresponding to the second communication device b.

[0417] For example, if the first communication device selects the second communication device a and the second communication device b to participate in sensing, then the sensing parameters corresponding to the second communication device a and the second communication device b are further determined.

[0418] Optionally, the sensing parameters corresponding to the second communication device a include transmitted space-frequency resource pattern parameters and received space-frequency resource pattern parameters; the sensing parameters corresponding to the second communication device b may include transmitted space-frequency resource pattern parameters.

[0419] S1308, The first communication device sends sensing parameters to the second communication device participating in the sensing.

[0420] In some implementations, if the first communication device selects the second communication device a and the second communication device b to participate in sensing, then it sends the sensing parameters corresponding to the second communication device a to the second communication device a and sends the sensing parameters corresponding to the second communication device b to the second communication device b.

[0421] S1309. The second communication device a performs sensing measurements based on the received sensing parameters.

[0422] In some embodiments, the second communication device a can transmit a sensing signal to the first region based on the received sensing parameters; in addition, the second communication device a can also receive the echo signal of the sensing signal and perform sensing measurement based on the received echo signal to determine the sensing result.

[0423] S1310, the second communication device a sends the sensing results to the first communication device.

[0424] In some implementations, when the second communication device a determines the sensing result, it can parse the first indication information in the received sensing parameters. If the first indication information indicates that the sensing result should be sent, the second communication device a will send the sensing result to the first communication device after determining the sensing result; otherwise, it will not send the sensing result.

[0425] In some implementations, when the second communication device a determines the sensing result, it can also parse the second indication information in the received sensing parameters. If the second indication information indicates that the sensing result carries phase information, then the sensing result sent by the second communication device a needs to carry phase information; otherwise, it does not carry phase information.

[0426] S1311, The second communication device b transmits a sensing signal.

[0427] In some implementations, the second communication device b can transmit a sensing signal to the first region based on the received sensing parameters.

[0428] S1312. The first communication device receives the echo signal and determines the sensing result of the second communication device b based on the received echo signal.

[0429] In this embodiment of the application, under the multi-node collaboration, single-base perception and dual-base perception fusion mode, higher perception accuracy can be achieved through the collaborative perception of the second communication device a and the second communication device b than that of a single second communication device.

[0430] The communication method provided in this application embodiment can achieve the following beneficial effects:

[0431] First, the second communication device does not need to transmit sensitive information; it only needs to transmit the air frequency resource map parameters once to help the first communication device select the sensing link and configure the sensing parameters, thus reducing the overhead of air interface transmission.

[0432] Second, due to the irreversible mapping process of the space frequency resource block, it is impossible to deduce the location information, rooftop information, power information, etc. of the second communication device from the space frequency resource block. Therefore, the transmission process is more secure and the risk of leakage of sensitive information is reduced.

[0433] Third, based on the transmit and receive space frequency resource pattern parameters, the first communication device can quickly infer the sensing performance of the sensing link with little computational load, which can effectively reduce feedback latency.

[0434] The communication method provided in the embodiments of this application has been described in detail above with reference to several accompanying drawings. The communication device provided in the embodiments of this application will now be described with reference to the accompanying drawings.

[0435] Figures 14 to 16 are schematic block diagrams of possible communication devices provided in embodiments of this application. As shown in Figure 14, which is a schematic block diagram of a communication device provided in an embodiment of this application, the communication device 140 includes a transceiver module 141.

[0436] One possible design is that the communication device 140 is used to implement the function of the first communication device in the above-described communication method embodiment.

[0437] For example, the transceiver module 141 is used for:

[0438] Send a first message; the first message includes the location information of the first area;

[0439] Receive first space-frequency resource pattern parameters from at least one second communication device; the first space-frequency resource corresponds to the aforementioned first region;

[0440] Sensing parameters are sent to one or more of at least one second communication device; the sensing parameters include second space-frequency resource pattern parameters, the second space-frequency resource pattern being determined based on the first space-frequency resource pattern.

[0441] In one possible implementation, the second space-frequency resource pattern is a subset of the first space-frequency resource pattern.

[0442] In one possible implementation, the aforementioned first or second space-frequency resource pattern parameters include transmit space-frequency resource pattern parameters and / or receive space-frequency resource pattern parameters.

[0443] In one possible implementation, the first or second space-frequency resource pattern parameter includes a bitmap that indicates at least one of a plurality of space-frequency resource blocks.

[0444] In one possible implementation, the aforementioned first or second space-frequency resource pattern parameters include:

[0445] Location information of at least one space frequency resource block;

[0446] Alternatively, the location information of at least one space-frequency resource block, and the incident power corresponding to the at least one space-frequency resource block.

[0447] In one possible implementation, the aforementioned first or second space-frequency resource pattern parameters include:

[0448] Information on the distribution of at least one space-frequency resource block, the information on the distribution of at least one space-frequency resource block being associated with a distribution rule, the distribution rule being predefined.

[0449] In one possible implementation, the first information mentioned above further includes space-frequency resource block parameters; these parameters include at least one of the following:

[0450] The spatial frequency intervals along each coordinate axis, the number of resource particles along each coordinate axis, and the coordinates of the reference point.

[0451] In one possible implementation, the aforementioned first space-frequency resource pattern parameters are determined based on the observation angle and the target frequency; the observation angle is determined by mapping the space-domain resources corresponding to the second communication device to each antenna element, and the aforementioned target frequency is determined based on the frequency-domain resource parameters corresponding to the second communication device, which include at least one of the following: carrier frequency, physical resource block index, or subcarrier spacing.

[0452] In one possible implementation, the above-mentioned sensing parameters also include at least one of the following: time domain parameters, code domain parameters, first indication information, or second indication information;

[0453] The first indication information is used to indicate whether to send the sensing result, and the second indication information is used to indicate whether the sensing result carries phase information.

[0454] In one possible implementation, the communication device 140 further includes a processing module for:

[0455] Based on the first space-frequency resource pattern parameters from at least one second communication device, the space-frequency resources of the sensing link corresponding to the at least one second communication device are determined;

[0456] Based on the space frequency resources of the sensing link corresponding to the at least one second communication device, one or more second communication devices are selected from the at least one second communication device.

[0457] Based on the space frequency resources of the sensing link corresponding to the one or more second communication devices, the sensing parameters of the one or more second communication devices are determined.

[0458] As shown in Figure 15, which is a schematic block diagram of another communication device provided in the embodiments of this application, the communication device 150 includes a transceiver module 151.

[0459] One possible design is that the communication device 150 is used to implement the function of the second communication device in the above-described communication method embodiment.

[0460] For example, the transceiver module 151 is used for:

[0461] Receive first information from a first communication device; the first information includes location information of a first area;

[0462] Send first space-frequency resource pattern parameters to the first communication device; the first space-frequency resource corresponds to the aforementioned first region;

[0463] The system receives sensing parameters from a first communication device; these sensing parameters include second space-frequency resource pattern parameters, which are determined based on a first space-frequency resource pattern.

[0464] In one possible implementation, the second space-frequency resource pattern is a subset of the first space-frequency resource pattern.

[0465] In one possible implementation, the first space-frequency resource pattern parameter or the second space-frequency resource pattern parameter includes transmit space-frequency resource pattern parameters and / or receive space-frequency resource pattern parameters.

[0466] In one possible implementation, the first or second space-frequency resource pattern parameter includes a bitmap that indicates at least one of a plurality of space-frequency resource blocks.

[0467] In one possible implementation, the first space-frequency resource pattern parameter or the second space-frequency resource pattern parameter includes:

[0468] Location information of at least one space frequency resource block;

[0469] Alternatively, the location information of at least one space-frequency resource block, and the incident power corresponding to the at least one space-frequency resource block.

[0470] In one possible implementation, the first space-frequency resource pattern parameter or the second space-frequency resource pattern parameter includes:

[0471] Information on the distribution of at least one space-frequency resource block, the information on the distribution of at least one space-frequency resource block being associated with a distribution rule, the distribution rule being predefined.

[0472] In one possible implementation, the first information further includes space-frequency resource block parameters; these parameters include at least one of the following:

[0473] The spatial frequency intervals along each coordinate axis, the number of resource particles along each coordinate axis, and the coordinates of the reference point.

[0474] In one possible implementation, the communication device 150 further includes a processing module for:

[0475] The parameters of the first space-frequency resource map are determined based on the observation angle and the target frequency;

[0476] The above observation angle is determined by mapping the corresponding spatial resources to each antenna element. The target frequency is determined based on its corresponding frequency domain resource parameters, which include at least one of the following: carrier frequency, physical resource block index, or subcarrier spacing.

[0477] In one possible implementation, the aforementioned sensing parameters also include at least one of the following:

[0478] Time-domain parameters, code-domain parameters, first indication information or second indication information;

[0479] The first indication information is used to indicate whether to send the sensing result, and the second indication information is used to indicate whether the sensing result carries phase information.

[0480] It is understood that the module division in the above-described device is merely a logical functional division. Each function can correspond to a functional module, or two or more functions can be integrated into one functional module. In actual implementation, all or some modules can be integrated into a single physical entity, or they can be distributed across different physical entities. Furthermore, the aforementioned functional modules can be implemented in hardware, software, or a combination of both. Whether a function is executed in hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of this application.

[0481] Figure 16 is a schematic block diagram of another communication device provided in an embodiment of this application. As shown in Figure 16, the communication device 160 includes one or more processors 161. The processor 161 can be a general-purpose processor or a dedicated processor, etc. For example, it can be a baseband processor or a central processing unit. The baseband processor can be used to process communication protocols and communication data, and the central processing unit can be used to control the device (e.g., a vehicle or a chip), execute software programs, and process data from the software programs.

[0482] Optionally, in one design, processor 161 may include a computer program (also referred to as code or instructions) that can be executed on processor 161, causing communication device 160 to perform the communication method executed by the first or second communication device in the above method embodiments. In yet another possible design, communication device 160 includes circuitry (not shown in FIG. 16) for implementing the functions of the first or second communication device in the above method embodiments.

[0483] For example, processor 161 can be used to execute a computer program in memory to implement the steps performed by the first communication device or the second communication device in the above method embodiments.

[0484] Optionally, the communication device 160 may include one or more memories 162 storing computer programs (sometimes referred to as code or instructions) that can be run on the processor 161, causing the communication device 160 to perform the communication methods performed by the first or second communication device in the above embodiments.

[0485] Optionally, the processor 161 and / or memory 162 may also store data. The processor and memory may be configured separately or integrated together.

[0486] Optionally, the communication device 160 may further include a communication interface 163. The processor 161, sometimes referred to as a processing unit, controls the device (e.g., the first communication device or the second communication device). The communication interface 163, sometimes referred to as a transceiver unit, transceiver, transceiver circuit, or transceiver, is used to implement the transceiver function of the device; for example, the communication interface 163 can be used to receive first configuration information.

[0487] When the communication device 160 is a chip applied to a terminal, the chip implements the functions of the terminal in the above method embodiments. The terminal chip receives signals from other modules (such as radio frequency modules or antennas) in the terminal, and these signals may be sent to the terminal by network devices; or, the terminal chip sends signals to other modules (such as radio frequency modules or antennas) in the terminal, and these signals may be sent to network devices by the terminal.

[0488] When the communication device 160 is a chip used in a network device, the chip implements the functions of the network device in the above method embodiments. The chip of the network device receives signals from other modules in the network device, which may be signals sent by the terminal to the network device; or, the chip of the network device sends signals to other modules in the network device, which may be signals sent by the network device to the terminal.

[0489] It is understood that when the communication device 160 is a terminal or network device, the communication interface 163 can be a transceiver, specifically including a transmitter and a receiver, with the transmitter used to send signals and the receiver used to receive signals. When the communication device 160 is a chip applied to a terminal or network device, the communication interface 163 can be an input / output circuit, wherein the input circuit can be used for receiving and the output interface can be used for sending.

[0490] Optionally, the communication device 160 also includes a power supply circuit for supplying power to the communication device 160.

[0491] It should be noted that the above method embodiments can be applied to a processor, or implemented by a processor. A processor may be an integrated circuit chip with signal processing capabilities. During implementation, each step of the above method embodiments can be completed by integrated logic circuits in the processor's hardware or by software instructions.

[0492] The aforementioned processor can be a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or any combination thereof. A general-purpose processor can be a microprocessor or any conventional processor.

[0493] The steps of the method disclosed in the embodiments of this application can be directly manifested as being executed by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor. The software modules can reside in mature storage media in the art, such as random access memory, flash memory, read-only memory, programmable read-only memory, electrically erasable programmable memory, or registers. This storage medium is located in memory, and the processor reads information from the memory and, in conjunction with its hardware, completes the steps of the above method.

[0494] The memory in the embodiments of this application can be volatile memory or non-volatile memory, or may include both volatile and non-volatile memory. The non-volatile memory can be read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), electrically erasable programmable read-only memory (EEPROM), or flash memory. The volatile memory can be random access memory (RAM), which is used as an external cache. By way of example, but not limitation, many forms of RAM are available, such as static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (SDRAM), double data rate synchronous dynamic random access memory (DDR SDRAM), enhanced synchronous dynamic random access memory (ESDRAM), synchronous linked dynamic random access memory (SLDRAM), and direct rambus RAM (DR RAM). It should be noted that the memory used in the systems and methods described herein is intended to include, but is not limited to, these and any other suitable types of memory.

[0495] This application also provides a chip system including at least one processor for supporting the implementation of the functions of the first or second communication device involved in any of the above method embodiments, such as sending, receiving, or processing information involved in the above communication methods.

[0496] In one possible design, the chip system also includes a memory for storing computer program instructions and data, which may be located inside or outside the processor.

[0497] The chip system can consist of chips or include chips and other discrete components.

[0498] This application also provides a computer program product, which includes a computer program (also referred to as code or instructions), wherein when the computer program is run, the communication method executed by the terminal in the above-described embodiments is executed, or the communication method executed by the network device is executed.

[0499] This application also provides a computer-readable storage medium storing a computer program (also referred to as code or instructions). When the computer program is run, the communication method executed by the first communication device in the above-described embodiments is executed, or the communication method executed by the second communication device is executed.

[0500] This application also provides a communication system, which includes the aforementioned first communication device and second communication device.

[0501] The communication methods provided in the above embodiments can be implemented entirely or partially through software, hardware, firmware, or any combination thereof. When implemented in software, they can be implemented entirely or partially in the form of a computer program product. This computer program product may include one or more computer instructions. When the computer program instructions are loaded and executed on a computer, all or part of the processes or functions described in the embodiments of this application are generated. The computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another. For example, the computer instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center via wired (e.g., coaxial cable, fiber optic, digital subscriber line) or wireless (e.g., infrared, wireless, microwave, etc.) means. The computer-readable storage medium may be any available medium that a computer can access or a data storage device such as a server or data center that integrates one or more available media. The available medium may be a magnetic medium (e.g., floppy disk, hard disk, magnetic disk), an optical medium, or a semiconductor medium (e.g., a solid-state disk (SSD)).

[0502] Those skilled in the art will recognize that the units and algorithm steps of the various examples described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are implemented in hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of this application.

[0503] Those skilled in the art will understand that, for the sake of convenience and brevity, the specific working processes of the systems, devices, and units described above can be referred to the corresponding processes in the foregoing method embodiments, and will not be repeated here.

[0504] In the several embodiments provided in this application, it should be understood that the disclosed systems, apparatuses, and methods can be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative; for instance, the division of units is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or direct coupling or communication connection shown or discussed may be through some interfaces; the indirect coupling or communication connection between apparatuses or units may be electrical, mechanical, or other forms.

[0505] The unit described as a separate component may or may not be physically separate. The component shown as a unit may or may not be a physical unit; it may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.

[0506] In addition, the functional units in the various embodiments of this application can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit.

[0507] If this function is implemented as a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of this application, or part of it, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute all or part of the steps of the methods in the various embodiments of this application. The aforementioned storage medium includes various media capable of storing program code, such as USB flash drives, portable hard drives, read-only memory, random access memory, magnetic disks, or optical disks.

Claims

1. A communication method characterized by comprising: The method includes: Send the first message; the first message includes the location information of the first area; Receive first space-frequency resource pattern parameters from at least one second communication device; the first space-frequency resource corresponds to the first region; Sensing parameters are sent to one or more of the at least one second communication device; the sensing parameters include second space-frequency resource pattern parameters, the second space-frequency resource pattern being determined based on the first space-frequency resource pattern.

2. The method of claim 1, wherein, The second space-frequency resource pattern is a subset of the first space-frequency resource pattern.

3. The method of claim 1 or 2, wherein, The first space-frequency resource pattern parameter or the second space-frequency resource pattern parameter includes transmit space-frequency resource pattern parameters and / or receive space-frequency resource pattern parameters.

4. The method according to any one of claims 1 to 3, characterized in that, The first space-frequency resource pattern parameter or the second space-frequency resource pattern parameter includes a bitmap, which is used to indicate at least one space-frequency resource block among a plurality of space-frequency resource blocks.

5. The method according to any one of claims 1 to 3, wherein The first space-frequency resource pattern parameters or the second space-frequency resource pattern parameters include: Location information of at least one space frequency resource block; Alternatively, the location information of at least one space-frequency resource block, and the incident power corresponding to the at least one space-frequency resource block.

6. The method according to any one of claims 1 to 3, wherein The first space-frequency resource pattern parameters or the second space-frequency resource pattern parameters include: Information on the distribution of at least one space-frequency resource block, wherein the information on the distribution of the at least one space-frequency resource block is associated with a distribution rule, and the distribution rule is predefined.

7. The method according to any one of claims 1 to 6, wherein, The first information also includes space-frequency resource block parameters; the space-frequency resource block parameters include at least one of the following items for a space-frequency resource block: The spatial frequency intervals along each coordinate axis, the number of resource particles along each coordinate axis, and the coordinates of the reference point.

8. The method according to any one of claims 1 to 7, characterized in that, The first spatial frequency resource pattern parameters are determined based on the observation angle and the target frequency; the observation angle is determined by mapping the spatial resources corresponding to the second communication device to each antenna element; the target frequency is determined based on the frequency domain resource parameters corresponding to the second communication device; the frequency domain resource parameters include at least one of the following: carrier frequency, physical resource block index, or subcarrier spacing.

9. The method of claim 1, wherein, The sensing parameters also include at least one of the following: time domain parameters, code domain parameters, first indication information, or second indication information; The first indication information is used to indicate whether to send the sensing result, and the second indication information is used to indicate whether the sensing result carries phase information.

10. The method of claim 1, wherein, The method further includes: Based on the first space-frequency resource pattern parameters of the at least one second communication device, the space-frequency resources of the sensing link corresponding to the at least one second communication device are determined; Based on the space frequency resources of the sensing link corresponding to the at least one second communication device, select one or more second communication devices from the at least one second communication device; The sensing parameters of the one or more second communication devices are determined based on the space frequency resources of the sensing links corresponding to the one or more second communication devices.

11. A communication method, comprising: The method includes: Receive first information from a first communication device; the first information includes location information of a first area; Send first space-frequency resource pattern parameters to the first communication device; the first space-frequency resource corresponds to the first region; The system receives sensing parameters from the first communication device; the sensing parameters include second space-frequency resource pattern parameters, the second space-frequency resource pattern being determined based on the first space-frequency resource pattern.

12. The method of claim 11, wherein, The second space-frequency resource pattern is a subset of the first space-frequency resource pattern.

13. The method of claim 11 or 12, wherein, The first space-frequency resource pattern parameter or the second space-frequency resource pattern parameter includes transmit space-frequency resource pattern parameters and / or receive space-frequency resource pattern parameters.

14. The method according to any one of claims 11 to 13, characterized in that, The first space-frequency resource pattern parameter or the second space-frequency resource pattern parameter includes a bitmap, which is used to indicate at least one space-frequency resource block among a plurality of space-frequency resource blocks.

15. The method according to any one of claims 11 to 13, wherein, The first space-frequency resource pattern parameters or the second space-frequency resource pattern parameters include: Location information of at least one space frequency resource block; Alternatively, the location information of at least one space-frequency resource block, and the incident power corresponding to the at least one space-frequency resource block.

16. The method of any one of claims 11 to 13, wherein, The first or second space-frequency resource map parameters include: Information on the distribution of at least one space-frequency resource block, wherein the information on the distribution of the at least one space-frequency resource block is associated with a distribution rule, and the distribution rule is predefined.

17. The method of any one of claims 11 to 16, wherein, The first information also includes space-frequency resource block parameters; the space-frequency resource block parameters include at least one of the following items for a space-frequency resource block: The spatial frequency intervals along each coordinate axis, the number of resource particles along each coordinate axis, and the coordinates of the reference point.

18. The method of any one of claims 11 to 17, wherein, The method further includes: The parameters of the first space-frequency resource map are determined based on the observation angle and the target frequency; The observation angle is determined by mapping its corresponding spatial resources to each antenna element, and the target frequency is determined based on its corresponding frequency domain resource parameters, which include at least one of the following: carrier frequency, physical resource block index, or subcarrier spacing.

19. The method as described in claim 11, characterized in that, The sensing parameters also include at least one of the following: Time-domain parameters, code-domain parameters, first indication information or second indication information; The first indication information is used to indicate whether to send the sensing result, and the second indication information is used to indicate whether the sensing result carries phase information.

20. A communications device, characterized by It includes a module for performing the communication method as described in any one of claims 1 to 10, or a module for performing the communication method as described in any one of claims 11 to 19.

21. A communications device, characterized by The device includes one or more processors, which are configured to execute computer programs or instructions in memory, causing the communication device to perform the communication method as described in any one of claims 1 to 10, or to perform the communication method as described in any one of claims 11 to 19.

22. A communication system, characterized by It includes a first communication device and a second communication device; the first communication device is used to perform the communication method as described in any one of claims 1 to 10; the second communication device is used to perform the communication method as described in any one of claims 11 to 19.

23. A computer readable storage medium having stored thereon a computer program, characterized in that, When the computer program is executed by a processor, it causes the communication method as described in any one of claims 1 to 10 to be executed, or causes the communication method as described in any one of claims 11 to 19 to be executed.

24. A computer program product, characterised in that, Includes a computer program that, when run, causes the communication method as described in any one of claims 1 to 10 to be executed, or causes the communication method as described in any one of claims 11 to 19 to be executed.

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