Communication method and related apparatus

Abstract

Disclosed in the embodiments of the present application are a communication method and a related apparatus. The method comprises: a network device sending instruction information to a terminal device, the instruction information being used for instructing the terminal device to feed back sensing information of a target sensing area, and / or, the instruction information being used for instructing the terminal device to feed back sensing information of a target priority, wherein the target sensing area is smaller than a sensing area of the network device; and the network device receiving sensing information fed back by the terminal device, wherein the sensing information is determined on the basis of the instruction information. A network device instructs, by means of instruction information, a terminal device to feed back sensing information of part of a sensing area, so as to reduce communication resources occupied by the terminal device when feeding back the sensing information, thereby reducing communication overheads.

Description

A communication method and related apparatus

[0001] This application claims priority from the Chinese patent application No. 202410866133.0 filed with the State Intellectual Property Office of China on June 28, 2024 and entitled "A communication method and related apparatus", the whole content of which is incorporated herein by reference. TECHNICAL FIELD

[0002] The present application relates to the field of communication technology, in particular to a communication method and related apparatus. BACKGROUND

[0003] In the process of the 5th generation (5G) technology evolution, communication and perception integration technology is considered as one of the key technologies to expand the business capabilities of mobile communication networks. The core idea of this technology is to add perception capabilities to the mobile communication network to build the ability to detect, track and image targets. This makes the communication and perception capabilities integrated in one network.

[0004] The perception mode specifically includes single-station perception and double-station perception. Single-station perception is that the sending end of the perception signal and the receiving end of the perception signal are the same device, so single-station perception is also called self-transmitting and self-receiving mode. Double-station perception is that the sending end of the perception signal and the receiving end of the perception signal are two different devices. Since double-station perception is described from the perception process, after the perception signal is sent by the perception station A, the signal reflected on the target surface is received by the perception station B, so double-station perception is also called A-transmitting and B-receiving mode.

[0005] Perception imaging of stationary targets such as buildings is an important application scenario of communication and perception integration technology. Taking the network device sending a perception signal and the terminal device receiving the reflection signal of the perception signal on the target surface and generating corresponding perception information based on the reflection signal as an example, the terminal device also needs to feed back the perception information to the network device, and the perception information can also be called perception imaging information. Currently, the perception information includes the power values of all position points in the perception signal coverage. In order to improve the accuracy of the perception information, the perception information needs to include the power values of more fine-grained position points. However, the perception information including the power values of more position points also leads to the perception information fed back by the terminal device to the network device occupying a large amount of communication resources, resulting in high communication overhead. SUMMARY

[0006] The present application proposes a communication method and related apparatus, in which the network device indicates the terminal device to feed back the perception information of part of the perception area through indication information, so as to reduce the communication resources occupied by the terminal device feeding back the perception information and reduce the communication overhead.

[0007] In a first aspect, an embodiment of the present application provides a communication method, which is applied to a network device, and the method comprises the following steps:

[0008] Firstly, the network device sends indication information to a terminal device, the indication information being used to instruct the terminal device to feed back sensing information of a target sensing area, and / or the indication information being used to instruct the terminal device to feed back sensing information of a target priority, wherein the target sensing area is smaller than a sensing area of the network device.

[0009] Secondly, the network device receives the sensing information fed back by the terminal device, the sensing information being determined by the indication information.

[0010] It should be noted that the sensing area in the embodiment of the present application can be replaced by a sensing signal coverage range or a sensing space, and the embodiment of the present application does not limit this. In the sensing signal coverage range, the coverage range is divided into multiple areas, and a center point of each area is taken as a position point of the area.

[0011] In the above technical solution, the network device instructs the terminal device to feed back sensing information of part of the sensing area through the indication information, so as to reduce the communication resources occupied by the terminal device in feeding back the sensing information and reduce the communication overhead. By sending the indication information indicating the target sensing area by the network device, the target sensing area in which the terminal device needs to feed back the sensing information is determined, so as to reduce the feedback overhead of the terminal device in feeding back the sensing information.

[0012] In combination with the first aspect, in a possible implementation manner of the first aspect, the indication information comprises any one or more of the following information: distance information, horizontal angle information, vertical angle information, position information, or target priority information, wherein the distance information indicates a relative distance between the target sensing area and the network device, the horizontal angle information indicates a horizontal angle between the target sensing area and the network device, the vertical angle information indicates a vertical angle between the target sensing area and the network device, the position information indicates a position of the target sensing area, and the target priority information indicates a priority of the sensing information to be fed back by the terminal device.

[0013] In the above technical solution, the network device can divide the target sensing area in multiple ways, thereby improving the flexibility of the sensing information fed back by the terminal device and improving the implementation flexibility of the scheme.

[0014] In combination with the first aspect, in a possible implementation manner of the first aspect, the distance information comprises distance index information or distance range information, the horizontal angle information comprises horizontal angle index information or horizontal angle range information, and the vertical angle information comprises vertical angle index information or vertical angle range information.

[0015] In the technical solution, the indication information sent by the network device can indicate an independent index or a continuous range, thereby flexibly adapting to the imaging requirements of the network device for the sensing information. In addition, when the indication information adopts range information, the communication overhead occupied by the indication information can be reduced, and the communication efficiency is improved.

[0016] With reference to the first aspect, in a possible implementation manner of the first aspect, the network device sends configuration information to the terminal device, the configuration information being used to configure an association relationship between the priority of the sensing information and the confidence level of the sensing information, and / or, the configuration information being used to configure an association relationship between the priority of the sensing information and the normalized power value of the sensing information.

[0017] In the technical solution, the network device can further configure the configuration information related to the priority of the sensing information to the terminal device in advance, so that the network device and the terminal device adopt the same mapping relationship between the priority and the sensing information, and it is ensured that the network device can receive accurate sensing information.

[0018] With reference to the first aspect, in a possible implementation manner of the first aspect, the sensing information fed back by the terminal device comprises:

[0019] The sensing information of one or more position points comprised in the target sensing area fed back by the terminal device, and / or the one or more sensing information corresponding to the target priority fed back by the terminal device.

[0020] With reference to the first aspect, in a possible implementation manner of the first aspect, the target sensing area comprises one or more position groups, each position group comprises one or more position points, the sensing information further comprises a power value of the position group and a power adjustment coefficient of the position point, and the sum of the power adjustment coefficient of the position point and the power value of the position group to which the position point belongs is the power value of the position point.

[0021] In the technical solution, when the target sensing area comprises a plurality of position points, the terminal device can feed back the power value of the position group corresponding to the plurality of position points and the power adjustment coefficient of each position point in addition to directly feeding back the power value of each position point. The network device can determine the power value of each position point according to the power value of the position group and the power adjustment coefficient of each position point, thereby improving the implementation flexibility of the scheme. In addition, the communication overhead of the sensing information fed back by the terminal device can be reduced.

[0022] With reference to the first aspect, in a possible implementation manner of the first aspect, the method further comprises: the network device acquires historical sensing information, the historical sensing information comprising sensing information corresponding to one or more sensing areas acquired by the network device in the past; and then, the network device determines the target sensing area according to the historical sensing information.

[0023] For example, the network device obtains one or more pieces of historical sensing information, which can include sensing information sent by the terminal device, can include sensing information sent by other terminal devices, and can include sensing information obtained by the network device or other network devices. Embodiments of the present application do not limit this.

[0024] Further, the target sensing area includes a sensing area in the historical sensing information indicating the presence of a target, and the target is an object reflecting the sensing signal.

[0025] In a second aspect, embodiments of the present application provide a communication method, which is applied to a terminal device, and the method comprises:

[0026] First, the terminal device receives indication information sent by the network device, the indication information being used to instruct the terminal device to feed back sensing information of a target sensing area, and / or the indication information being used to instruct the terminal device to feed back sensing information of a target priority, wherein the target sensing area is smaller than a sensing signal coverage area of the network device; second, the terminal device sends the sensing information to the network device, the sensing information being determined by the indication information.

[0027] It should be noted that the sensing area in the embodiments of the present application can be replaced by a sensing signal coverage range or a sensing space, and the embodiments of the present application do not limit this. In the sensing signal coverage range, the coverage range is divided into multiple areas, and the center point of each area is taken as a position point of the area.

[0028] In the above technical solution, the network device instructs the terminal device to feed back sensing information of part of the sensing area through the indication information, so as to reduce the communication resources occupied by the terminal device in feeding back the sensing information and reduce the communication overhead. By sending the indication information indicating the target sensing area by the network device, the target sensing area for which the terminal device needs to feed back the sensing information is determined, and the feedback overhead of the terminal device in feeding back the sensing information is reduced.

[0029] In combination with the second aspect, in a possible implementation manner of the second aspect, the indication information includes any one or more of the following information: distance information, horizontal angle information, vertical angle information, position information, or target priority information, wherein the distance information indicates the relative distance between the target sensing area and the network device, the horizontal angle information indicates the horizontal angle between the target sensing area and the network device, the vertical angle information indicates the vertical angle between the target sensing area and the network device, the position information indicates the position of the target sensing area, and the target priority information indicates the priority of the sensing information to be fed back by the terminal device.

[0030] In the above technical solution, the network device can divide the target sensing area in multiple ways, thereby improving the flexibility of the sensing information fed back by the terminal device and improving the implementation flexibility of the scheme.

[0031] In a possible implementation of the second aspect, the distance information comprises distance index information or distance range information; the horizontal angle information comprises horizontal angle index information or horizontal angle range information; and the vertical angle information comprises vertical angle index information or vertical angle range information.

[0032] In the above technical solution, the indication information sent by the network device can be an independent index or can indicate a continuous range, thereby flexibly adapting to the imaging requirements of the sensing information of the network device. In addition, when the indication information adopts range information, the communication overhead occupied by the indication information can be reduced, and the communication efficiency is improved.

[0033] In a possible implementation of the second aspect, the terminal device receives configuration information sent by the network device, the configuration information being used to configure an association relationship between the priority of the sensing information and the confidence degree of the sensing information, and / or the configuration information being used to configure an association relationship between the priority of the sensing information and the normalized power value of the sensing information.

[0034] In the above technical solution, the network device can also configure the configuration information related to the priority of the sensing information to the terminal device in advance, so that the network device and the terminal device adopt the same mapping relationship between the priority and the sensing information, and it is ensured that the network device can receive accurate sensing information.

[0035] In a possible implementation of the second aspect, the terminal device sends, to the network device, sensing information of one or more position points included in the target sensing area and / or one or more sensing information corresponding to the target priority.

[0036] In a possible implementation of the second aspect, the target sensing area comprises one or more position groups, each position group comprises one or more position points, the sensing information further comprises a power value of the position group and a power adjustment coefficient of the position point, and the sum of the power adjustment coefficient of the position point and the power value of the position group to which the position point belongs is the power value of the position point.

[0037] In the above technical solution, when the target sensing area comprises a plurality of position points, the terminal device can feed back not only the power value of each position point but also the power value of the position group corresponding to the plurality of position points and the power adjustment coefficient of each position point. The network device can determine the power value of each position point according to the power value of the position group and the power adjustment coefficient of each position point, thereby improving the implementation flexibility of the scheme. In addition, the communication overhead of the sensing information fed back by the terminal device can also be reduced.

[0038] With reference to the second aspect, in a possible implementation form of the second aspect, the terminal device receives configuration information sent by the network device, the configuration information being used to configure an association relationship between the priority of the sensing information and the confidence level of the sensing information, and / or the configuration information being used to configure an association relationship between the priority of the sensing information and the normalized power value of the sensing information.

[0039] The third aspect of the present application provides a communication apparatus, which is a network device, and the apparatus comprises a transceiver unit and a processing unit.

[0040] In the third aspect of the present application, the constituent modules of the communication apparatus can also be used to perform the steps performed in the various possible implementation forms of the first aspect and achieve the corresponding technical effects, which can be specifically referred to the first aspect and will not be described here again.

[0041] The fourth aspect of the present application provides a communication apparatus, which is a terminal device, and the apparatus comprises a transceiver unit and a processing unit.

[0042] In the fourth aspect of the present application, the constituent modules of the communication apparatus can also be used to perform the steps performed in the various possible implementation forms of the second aspect and achieve the corresponding technical effects, which can be specifically referred to the second aspect and will not be described here again.

[0043] The fifth aspect of the present application provides a communication apparatus, comprising at least one processor, wherein the at least one processor is coupled with a memory; the memory is used to store programs or instructions; and the at least one processor is used to execute the programs or instructions, so that the apparatus implements the method in any one of the possible implementation forms of the first aspect or the second aspect.

[0044] The sixth aspect of the present application provides a communication apparatus, comprising at least one logic circuit and an input-output interface; the logic circuit is used to execute the method in any one of the possible implementation forms of the first aspect or the second aspect.

[0045] The seventh aspect of the present application provides a communication system, comprising the network device and / or the terminal device.

[0046] Optionally, the communication system further comprises other communication apparatuses in communication with the network device or the terminal device.

[0047] The eighth aspect of the present application provides a computer-readable storage medium, which is used to store one or more computer-executed instructions, when the computer-executed instructions are executed by a processor, the processor executes the method in any one of the possible implementation forms of the first aspect or the second aspect.

[0048] The ninth aspect of this application provides a computer program product (or computer program) that, when executed by a processor, performs the method described in any possible implementation of the first or second aspect described above.

[0049] The tenth aspect of this application provides a chip or chip system including at least one processor for supporting a communication device in implementing the method described in any possible implementation of the first or second aspect above.

[0050] In one possible design, the chip or chip system may further include a memory for storing program instructions and data necessary for the communication device. The chip system may be composed of chips or may include chips and other discrete devices. Optionally, the chip system may also include interface circuitry that provides program instructions and / or data to the at least one processor.

[0051] The technical effects of any of the design methods in aspects three through ten can be found in the technical effects of different design methods in aspects one or two above, and will not be repeated here. Attached Figure Description

[0052] Figure 1 is a schematic diagram of a single-station sensing scenario;

[0053] Figure 2 is a schematic diagram of a dual-station sensing scenario;

[0054] Figure 3 is a schematic diagram of a sensing scenario in an embodiment of this application;

[0055] Figure 4 is a schematic diagram of another sensing scenario in an embodiment of this application;

[0056] Figure 5 is a schematic diagram of the architecture of the communication system 1000 used in the embodiments of this application;

[0057] Figure 6 is a schematic diagram of a sensing scene;

[0058] Figure 7 is a schematic flowchart of an embodiment of a communication method in this application;

[0059] Figure 8 is a schematic diagram of a target sensing area in an embodiment of this application;

[0060] Figure 9 is another schematic diagram of the target sensing area in an embodiment of this application;

[0061] Figure 10 is a schematic flowchart of an embodiment of a communication method in this application;

[0062] Figure 11 is a schematic diagram of the communication device provided in this application;

[0063] Fig. 12 is another schematic diagram of a communication apparatus provided by the present application;

[0064] Fig. 13 is another schematic diagram of a communication apparatus provided by the present application;

[0065] Fig. 14 is another schematic diagram of a communication apparatus provided by the present application. DETAILED DESCRIPTION

[0066] First, some terms in the embodiments of the present application are explained to facilitate the understanding of those skilled in the art.

[0067] (1) Terminal device: can be a wireless terminal device capable of receiving network device scheduling and indication information, the wireless terminal device can be a device providing voice and / or data connectivity to a user, or a handheld device with wireless connection function, or other processing devices connected to a wireless modem.

[0068] A terminal device can communicate with one or more core networks or the Internet via a radio access network (RAN), and the terminal device can be a mobile terminal device, such as a mobile phone (or called "cellular" phone, mobile phone), a computer, and a data card, for example, which can be a portable, pocket, hand-held, computer-embedded, or vehicle-mounted mobile device that exchanges voice and / or data with a radio access network. For example, a personal communication service (PCS) phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA), a Pad, a computer with wireless transceiver function, and the like. The wireless terminal device can also be referred to as a system, a subscriber unit, a subscriber station, a mobile station, a mobile station (MS), a remote station, an access point (AP), a remote terminal, an access terminal, a user terminal, a user agent, a subscriber station (SS), customer premises equipment (CPE), a terminal, user equipment (UE), a mobile terminal (MT), and the like.

[0069] By way of example and not limitation, in embodiments of the present application, the terminal device can also be a wearable device. The wearable device can also be referred to as a smart wearable device or a smart wearable device, etc., which is a general term for devices that can be designed and developed by applying wearable technology to daily wear, such as glasses, gloves, watches, clothing, and shoes, etc. The wearable device is a portable device that can be directly worn on the body or integrated into the user's clothes or accessories. The wearable device is not only a hardware device, but also a powerful function realized through software support and data interaction, cloud interaction. The broad sense of wearable smart devices includes full-featured, large-sized devices that can realize complete or partial functions without relying on smart phones, such as smart watches or smart glasses, etc., and devices that focus on a certain application function and need to be used with other devices such as smart phones, such as various smart wristbands, smart helmets, smart jewelry, etc.

[0070] The terminal can also be a drone, a robot, a terminal in device-to-device (D2D) communication, a terminal in vehicle to everything (V2X), a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal in industrial control, a wireless terminal in self driving, a wireless terminal in remote medical, a wireless terminal in smart grid, a wireless terminal in transportation safety, a wireless terminal in smart city, a wireless terminal in smart home, etc.

[0071] In addition, the terminal device can also be a terminal device in a communication system evolved after the 5th generation (5G) communication system (such as a 6th generation (6G) communication system, etc.) or a terminal device in a future evolved public land mobile network (PLMN), etc. For example, the 6G network can further expand the form and function of the 5G communication terminal, and the 6G terminal includes but is not limited to vehicles, cellular network terminals (with satellite terminal functions), drones, internet of things (IoT) devices.

[0072] (2) Network device: can be a device in a wireless network, for example, the network device can be a RAN node (or device) for accessing a terminal device to a wireless network, which can also be referred to as a base station. At present, some examples of RAN devices are: base station (base station), evolved NodeB (eNodeB), base station gNB (gNodeB) in 5G communication system, transmission reception point (transmission reception point, TRP), evolved Node B (eNB), radio network controller (radio network controller, RNC), Node B (Node B, NB), home base station (for example, home evolved Node B, or home Node B, HNB), baseband unit (baseband unit, BBU), or wireless fidelity (wireless fidelity, Wi-Fi) access point AP, etc. In addition, in a network structure, the network device can include a centralized unit (centralized unit, CU) node, or a distributed unit (distributed unit, DU) node, or a RAN device including a CU node and a DU node.

[0073] Optionally, the RAN node can also be a macro base station, a micro base station or an indoor station, a relay node or a donor node, or a wireless controller in a cloud radio access network (cloud radio access network, CRAN) scenario. The RAN node can also be a server, a wearable device, a vehicle or a vehicle-mounted device, etc. For example, the access network device in vehicle to everything (vehicle to everything, V2X) technology can be a road side unit (road side unit, RSU).

[0074] In another possible scenario, a terminal is assisted by multiple RAN nodes to implement wireless access, and different RAN nodes respectively implement part of functions of a base station. For example, a RAN node can be a central unit (CU), a distributed unit (DU), a CU-control plane (CP), a CU-user plane (UP), or a radio unit (RU), etc. The CU and the DU can be separately arranged, or can also be included in the same network element, such as a baseband unit (BBU). The RU can be included in a radio frequency device or a radio frequency unit, such as a remote radio unit (RRU), an active antenna processing unit (AAU), or a remote radio head (RRH).

[0075] In different systems, the CU (or CU-CP and CU-UP), DU or RU can also have different names, but those skilled in the art can understand their meanings. For example, in an open RAN (O-RAN or ORAN) system, the CU can also be referred to as an O-CU (open CU), the DU can also be referred to as an O-DU, the CU-CP can also be referred to as an O-CU-CP, the CU-UP can also be referred to as an O-CU-UP, and the RU can also be referred to as an O-RU. For the convenience of description, the CU, CU-CP, CU-UP, DU and RU are taken as examples for description in this application. Any one of the CU (or CU-CP, CU-UP), DU and RU in this application can be implemented by a software module, a hardware module, or a combination of a software module and a hardware module.

[0076] The communication between the access network device and the terminal device follows a certain protocol layer structure. The protocol layer can include a control plane protocol layer and a user plane protocol layer. The control plane protocol layer can include at least one of a radio resource control (RRC) layer, a packet data convergence protocol (PDCP) layer, a radio link control (RLC) layer, a media access control (MAC) layer, or a physical (PHY) layer, etc. The user plane protocol layer can include at least one of a service data adaptation protocol (SDAP) layer, a PDCP layer, an RLC layer, a MAC layer, or a physical layer, etc.

[0077] For the correspondence between the network elements in the ORAN system and the protocol layer functions that can be implemented by the network elements, refer to Table 1 below.

[0078] Table 1

[0079] The network device can be another device that provides a wireless communication function for the terminal device. The embodiments of the present application do not limit the specific technology and specific device form adopted by the network device. For the convenience of description, the embodiments of the present application do not limit.

[0080] The network device can also include a core network device, which can include, for example, a mobility management entity (MME), a home subscriber server (HSS), a serving gateway (S-GW), a policy and charging rules function (PCRF), a public data network gateway (P-GW) in a fourth generation (4G) network, an access and mobility management function (AMF), a user plane function (UPF), or a session management function (SMF) in a 5G network, and other network elements. In addition, the core network device can also include other core network devices in a 5G network and a next-generation network of the 5G network.

[0081] In the embodiments of the present application, the device for implementing the function of the network device can be the network device, or a device capable of supporting the network device to implement the function, such as a chip system, which can be installed in the network device. In the technical solutions provided in the embodiments of the present application, the device for implementing the function of the network device is taken as an example to describe the technical solutions provided in the embodiments of the present application.

[0082] (3) Configuration and pre-configuration: In the present application, configuration and pre-configuration will be used simultaneously. The configuration refers to that the network device and / or the server sends some parameter configuration information or parameter values to the terminal through a message or signaling, so that the terminal determines the communication parameters or the resource in the transmission according to the values or information. The pre-configuration is similar to the configuration, which can be the parameter information or parameter values agreed by the network device and / or the server and the terminal device in advance, or the parameter information or parameter values adopted by the base station / network device or the terminal device according to the standard protocol, or the parameter information or parameter values pre-stored in the base station and / or the server or the terminal device. The present application does not limit this.

[0083] Further, the values and parameters can be changed or updated.

[0084] (4) The terms "system" and "network" in the embodiments of the present application can be used interchangeably. "Multiple" refers to two or more. "And / or" describes the association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B, which can represent the cases of A alone, A and B together, and B alone, where A and B can be singular or plural. The character " / " generally represents an "or" relationship between the associated objects before and after it. "At least one of the following" or similar expressions refers to any combination of these items, including any combination of single item or multiple items. For example, "at least one of A, B and C" includes A, B, C, AB, AC, BC or ABC. In addition, unless otherwise specified, the ordinal numbers "first", "second", etc. mentioned in the embodiments of the present application are used to distinguish multiple objects, and are not used to limit the order, time sequence, priority or importance of the multiple objects.

[0085] (5) In the embodiments of the present application, "sending" and "receiving" represent the direction of signal transmission. For example, "sending information to XX" can be understood as that the destination of the information is XX, which can include direct sending through the air interface, or indirect sending through the air interface by other units or modules. "Receiving information from YY" can be understood as that the source of the information is YY, which can include direct receiving from YY through the air interface, or indirect receiving from YY through the air interface from other units or modules. "Sending" can also be understood as the "output" of the chip interface, and "receiving" can also be understood as the "input" of the chip interface.

[0086] In other words, the sending and receiving can be between devices, such as between a network device and a terminal device, or can be within a device, such as between components, modules, chips, software modules or hardware modules within a device through a bus, a wire or an interface.

[0087] It can be understood that the information can be processed, such as encoding and modulation, between the source and the destination of the information sending, but the destination can understand the effective information from the source. Similar expressions in this application can be similarly understood, and will not be repeated.

[0088] (6) In the embodiments of the present application, “indication” can include direct indication and indirect indication, and can also include explicit indication and implicit indication. The information indicated by a certain information (indication information described below) is referred to as to-be-indicated information. In the implementation process, there are many ways to indicate the to-be-indicated information, for example, but not limited to, the to-be-indicated information can be directly indicated, such as the to-be-indicated information itself or an index of the to-be-indicated information. The to-be-indicated information can also be indirectly indicated by indicating other information, where the other information and the to-be-indicated information have an association relationship. The to-be-indicated information can also be indicated only by a part, and the other part of the to-be-indicated information is known or agreed in advance. For example, the indication of a specific information can be achieved by means of the arrangement order of each information agreed in advance (for example, protocol predefined), thereby reducing the indication overhead to a certain extent. The present application does not limit the specific manner of indication. It can be understood that for the sender of the indication information, the indication information can be used to indicate the to-be-indicated information, and for the receiver of the indication information, the indication information can be used to determine the to-be-indicated information.

[0089] (7) Sensing technology.

[0090] Sensing technology refers to the use of communication networks to detect, track and image targets. The technical principle of sensing technology is different from that of communication technology. Communication technology is that the sender modulates information on radio waves and sends it to the receiver, and the receiver demodulates the signal carried on the radio waves to obtain information. Sensing technology needs the sender to send radio waves to a specific direction. When the radio waves irradiate the target surface, reflected waves are formed, so that the receiver obtains the position, speed and type of the target by receiving and processing the reflected waves.

[0091] The sensing technology can be generally divided into two modes: single-station sensing and double-station sensing. In the single-station sensing, the sending end and the receiving end of the sensing signal are the same device. In the sensing signal flow, the sensing station not only sends the sensing signal, but also receives the signal reflected by the target surface (also known as echo signal). Therefore, the single-station sensing mode is also called self-sending and self-receiving mode, as shown in FIG. 1, which is a schematic diagram of a single-station sensing scene. In the double-station sensing, the sending end and the receiving end of the sensing signal are different devices. In the sensing signal flow, the sensing station A sends the sensing signal, and the signal reflected by the target surface is received by the sensing station B. Therefore, the double-station sensing mode is also called A-sending and B-receiving mode, as shown in FIG. 2, which is a schematic diagram of a double-station sensing scene.

[0092] For ease of understanding, please refer to FIG. 3, which is a schematic diagram of a sensing scene in an embodiment of the present application. In the process of communication between the network device and the terminal device in FIG. 3, the network device can also sense objects without communication capability, such as the car and the user in FIG. 3.

[0093] Further, the sensing scene shown in FIG. 3 can be further divided into various sub-scenes. For example, the sensing scene shown in FIG. 4, taking the network device as a base station and the terminal device as a user equipment (UE) as an example. FIG. 4 is another schematic diagram of a sensing scene in an embodiment of the present application. The sensing scene can include the following modes: (1) the base station sends the sensing signal by itself, and the base station receives the echo signal of the sensing signal by itself; (2) the UE sends the sensing signal by itself, and the UE receives the echo signal of the sensing signal by itself; (3) the base station A sends the sensing signal, and the base station B receives the echo signal of the sensing signal, the base station A and the base station B being different base stations; (4) the UE A sends the sensing signal, and the UE B receives the echo signal of the sensing signal, the UE A and the UE B being different UEs; (5) the base station sends the sensing signal, and the UE receives the echo signal of the sensing signal; (6) the UE sends the sensing signal, and the base station receives the echo signal of the sensing signal.

[0094] In the present application, the same or similar parts among various embodiments can be mutually referred to, unless otherwise specified. In the various embodiments in the present application, and the various methods / designs / implementation manners in the embodiments, the terms and / or descriptions in different embodiments, and the various methods / designs / implementation manners in the embodiments are consistent and can be mutually referred to, unless otherwise specified and logically conflicted. The technical features in different embodiments, and the various methods / designs / implementation manners in the embodiments can be combined to form new embodiments, methods, or implementation manners according to their inherent logical relationship. The implementation manners of the present application described below do not constitute a limitation on the protection scope of the present application.

[0095] The present application can be applied to a long term evolution (LTE) system, a new radio (NR) system, or a communication system evolved after 5G (for example, 6G, etc.). The communication system includes at least one network device and / or at least one terminal device.

[0096] FIG. 5 is a schematic diagram of an architecture of a communication system 1000 to which embodiments of the present application are applied.

[0097] As shown in FIG. 5, the communication system includes a radio access network 100 and a core network 200. Optionally, the communication system 1000 can also include an Internet 300. The radio access network 100 can include at least one radio access network device (which can also be understood as a network device as described above, such as 110a and 110b in FIG. 5), and can also include at least one terminal (which can also be understood as a terminal device as described above, such as 120a-120j in FIG. 5). In addition, the radio access network device can be a macro base station (such as 110a in FIG. 5), a micro base station or an indoor station (such as 110b in FIG. 5), a relay node or a donor node, etc. It can be understood that all or part of the functions of the radio access network device in the present application can also be implemented by software functions running on hardware, or by virtualized functions instantiated on a platform (such as a cloud platform). The embodiments of the present application do not limit the specific technology and specific device form adopted by the radio access network device.

[0098] For ease of description, a base station is taken as an example of a radio access network device, and a terminal device is taken as an example of a terminal for description. It can be understood that when the communication system includes an integrated access and backhaul (IAB) network, the base station can be an IAB node.

[0099] In the present application, the base station and the terminal can be fixed in position or movable. The base station and the terminal can be deployed on land, including indoors or outdoors, handheld or vehicle-mounted, and can also be deployed on water, or on aircraft, balloons, and artificial satellites in the air. The embodiments of the present application do not limit the application scenarios of the base station and the terminal.

[0100] The roles of the base station and the terminal can be relative. For example, the helicopter or the drone 120i in FIG. 5 can be configured as a mobile base station, and for the terminal 120j that accesses the wireless access network 100 through the 120i, the terminal 120i is a base station. But for the base station 110a, the 120i is a terminal, that is, the 110a and the 120i communicate through a wireless air interface protocol. Of course, the 110a and the 120i can also communicate through a base station-to-base station interface protocol, and in this case, the 120i is also a base station relative to the 110a. Therefore, the base station and the terminal can be collectively referred to as a communication device, and the 110a and the 110b in FIG. 5 can be referred to as a communication device with a base station function, and the 120a-120j in FIG. 5 can be referred to as a communication device with a terminal function.

[0101] The base station and the terminal, the base station and the base station, and the terminal and the terminal can communicate through a licensed spectrum, or through an unlicensed spectrum, or through both the licensed spectrum and the unlicensed spectrum. The communication can be through a spectrum below 6 gigahertz (GHz), or through a spectrum above 6 GHz, or through both the spectrum below 6 GHz and the spectrum above 6 GHz. The embodiments of the present application do not limit the spectrum resources used for wireless communication.

[0102] In the embodiments of the present application, the functions of the base station can also be performed by a module (such as a chip) in the base station, or by a control subsystem containing base station functions. The control subsystem containing base station functions herein can be a control center in the application scenarios of the above terminals such as smart grids, industrial control, intelligent transportation, and smart cities. The functions of the terminal can also be performed by a module (such as a chip or a modem) in the terminal, or by a device containing terminal functions.

[0103] In the present application, the base station sends a downlink signal (or downlink information) to the terminal, and the downlink signal (or downlink information) is carried on a downlink channel. The terminal sends an uplink signal (or uplink information) to the base station, and the uplink signal (or uplink information) is carried on an uplink channel.

[0104] It should be understood that the present application can be applied to a long term evolution (LTE) system, a new radio (NR) system, or a communication system evolved after 5G (such as a future communication network, etc.). The communication system includes a network device and a terminal device.

[0105] Please refer to FIG. 6, which is a schematic diagram of a sensing scenario. The scenario shown in FIG. 6 is that a base station (BS) transmits a sensing signal, a terminal device (UE) receives the sensing signal and generates sensing information, and then the UE feeds back the sensing information to the BS. The details are as follows.

[0106] F1, BS transmits and UE receives mode, and the UE obtains sensing information.

[0107] In step F1, the base station transmits a sensing signal through an antenna port, and the terminal device receives the sensing signal after the sensing signal is reflected or scattered by a target. The sensing signal received by the terminal device can also be referred to as a reflected signal obtained by reflection or scattering of the target. The target can also be referred to as a sensing target, which refers to an object that can reflect a sensing signal, or a tangible object in the environment that can reflect electromagnetic waves, for example, a mountain, a forest, or a building, and can also include a vehicle, a drone, a pedestrian, a terminal device, and other movable objects. The target can also be referred to as a sensed target, a detected target, a sensed object, a detected object, or a sensed device, and the like, which is not limited in the embodiments of the present application.

[0108] After the terminal device receives the sensing signal, the sensing information is obtained through an algorithm. The sensing information can also be referred to as sensing imaging information. The algorithm includes but is not limited to back projection (BP) or discrete fourier transform (DFT), etc.

[0109] In an example, the sensing information can be a three-dimensional power spectrum in a distance-horizontal angle-vertical angle coordinate system with the terminal device or a network device (for example, a base station) as the coordinate origin, and the three-dimensional power spectrum includes power values of all position points within the sensing range of the network device. Specifically, each position point corresponds to a distance parameter, a horizontal angle parameter, a vertical angle parameter, and a power value. The higher the power value, the stronger the reflection energy or scattering energy of the sensing signal through the position point, and the higher the possibility of the presence of a sensing target at the position point; on the contrary, the lower the power value, the lower the reflection energy or scattering energy of the sensing signal through the position point, and the lower the possibility of the presence of a sensing target at the position point.

[0110] F2, after the terminal device determines the sensing information, the terminal device feeds back the sensing information to the base station (BS).

[0111] F3, after the base station (BS) receives the sensing information fed back by the terminal device, the base station integrates other sensing information fed back by terminal devices and / or self-received and self-generated sensing information, fuses multiple sensing information, and obtains higher-precision sensing information or sensing imaging.

[0112] The sensing signal coverage of the network device is divided into multiple areas, and a center point of each area is taken as a location point of the area. The sensing signal coverage can also be referred to as a sensing area or a sensing space, and the embodiments of the present application do not limit this. The sensing information fed back by the terminal device needs to be quantized using multiple bits. In order to improve the accuracy of the sensing information, it is necessary to divide the sensing signal coverage into grids of smaller granularity. Dividing the sensing signal coverage into grids of smaller granularity means that the terminal device needs to feed back sensing information of more location points. The sensing information fed back by the terminal device to the network device occupies a large amount of communication resources, resulting in high communication overhead.

[0113] Based on this, the embodiments of the present application propose a communication method and related devices. The network device sends indication information to the terminal device. The indication information is used to instruct the terminal device to feed back sensing information of a target sensing area, and / or the indication information is used to instruct the terminal device to feed back sensing information of a target priority, wherein the target sensing area is smaller than the sensing area of the network device. The network device receives the sensing information fed back by the terminal device, and the sensing information is determined by the indication information. The network device instructs the terminal device to feed back part of the sensing information through the indication information, so as to reduce the communication resources occupied by the feedback sensing information and reduce the communication overhead.

[0114] In the following, the embodiments of the present application are introduced in combination with the drawings. Please refer to FIG. 7, which is an embodiment flowchart of a communication method in the embodiments of the present application. The communication method proposed by the embodiments of the present application includes:

[0115] S1, the network device determines a target sensing area according to historical sensing information.

[0116] Step S1 is an optional step.

[0117] In step S1, the network device can determine the target sensing area according to the historical sensing information, and the historical sensing information includes one or more sensing information corresponding to the sensing area obtained by the network device in history. For example, the network device obtains one or more historical sensing information, and the historical sensing information can include the sensing information sent by the terminal device, the historical sensing information can also include the sensing information sent by other terminal devices, and the historical sensing information can also include the sensing information obtained by the network device or other network devices, and the embodiments of the present application do not limit this.

[0118] Firstly, multiple possible division methods of the sensing area are introduced.

[0119] Method one:

[0120] The network device establishes a distance-horizontal angle-vertical angle coordinate system with the network device as the polar coordinate origin, and the network device and the terminal device use the same coordinate system.

[0121] Specifically, the network device and the terminal device agree to quantize sampling in three dimensions of distance, horizontal angle and vertical angle, and each position grid is indicated by distance index information (k), horizontal angle index information (m) and vertical angle index information (n). The perception information can include power values of all position points {k, m, n | k ∈ [0, K-1], m ∈ [0, M-1], n ∈ [0, N-1]} in the perception area range of the network device and other parameters, where K is the maximum division number of distance in the perception area, M is the maximum division number of horizontal angle in the perception area, N is the maximum division number of vertical angle in the perception area, K is an integer greater than 0, M is an integer greater than 0, and N is an integer greater than 0.

[0122] Optionally, the above K, M and N are determined by the number of subcarriers A0 of the perception signal, the horizontal port A1 of the antenna panel of the network device, the vertical port A2 of the antenna panel of the network device, and the oversampling factor O0, O1 and O2 of each dimension. For example, K = A0O0, M = A1O1 and N = A2O2.

[0123] It can be understood that the above distance-horizontal angle-vertical angle coordinate system can include more dimensions or fewer dimensions. For example, the coordinate system can include the horizontal angle dimension and the vertical angle dimension. For another example, the coordinate system can include the distance dimension and the vertical angle dimension. For another example, the coordinate system can include the distance dimension and the vertical angle dimension. For another example, the coordinate system can include only the distance dimension, the horizontal angle dimension, or the vertical angle dimension.

[0124] After the network device obtains the historical perception information, the network device determines the target perception area according to the historical perception information. For example, the network device determines a region in which a target is likely to exist in the perception area (or the perception signal coverage range or the perception space) as the target perception area according to the historical perception information. For example, as shown in FIG. 8, FIG. 8 is a schematic diagram of a target perception area in an embodiment of the present application. The left side of FIG. 8 schematically shows the perception area of the network device. The network device determines the shaded region on the right side of FIG. 8 as the target perception area according to the historical perception information, and the target perception area is smaller than the perception area.

[0125] Method two:

[0126] The network device divides the perception area by taking the Cartesian coordinate system (X-Y-Z axis) as a reference. The specific division method is similar to that of method one, which is not described herein.

[0127] It can be understood that the network device can also divide the perception area by using other coordinate systems, such as the longitude and latitude coordinate system, which is not limited in the embodiments of the present application.

[0128] S2, the network device sends indication information to the terminal device, the indication information being used for instructing the terminal device to feed back the sensing information of the target sensing area.

[0129] In step S2, the network device sends indication information to the terminal device, the indication information being used for instructing the terminal device to feed back the sensing information of the target sensing area. The indication information comprises any one or more of the following information:

[0130] The distance information, the horizontal angle information, the vertical angle information, or the position information, wherein the distance information indicates the relative distance between the target sensing area and the network device, the horizontal angle information indicates the horizontal angle between the target sensing area and the network device, the vertical angle information indicates the vertical angle between the target sensing area and the network device, and the position information indicates the position of the target sensing area.

[0131] In a possible implementation, the distance information comprises distance index information or distance range information. For example, when the distance index information is k', the terminal device is instructed to feed back the sensing information of all position points with a distance of k', and k' is greater than or equal to 0. For another example, when the distance range information is (k1, k2), the terminal device is instructed to feed back the sensing information of all position points with a distance between k1 and k2, k1 is greater than or equal to 0, and k2 is greater than or equal to 0.

[0132] In a possible implementation, the horizontal angle information comprises horizontal angle index information or horizontal angle range information. For example, when the horizontal angle index information is m', the terminal device is instructed to feed back the sensing information of all position points with a horizontal angle of m', and m' is greater than or equal to 0. For another example, when the horizontal angle range information is (m1, m2), the terminal device is instructed to feed back the sensing information of all position points with a horizontal angle between m1 and m2, m1 is greater than or equal to 0, and m2 is greater than or equal to 0.

[0133] In a possible implementation, the vertical angle information comprises vertical angle index information or vertical angle range information. For example, when the vertical angle index information is n', the terminal device is instructed to feed back the sensing information of all position points with a vertical angle of n', and n' is greater than or equal to 0. For another example, when the vertical angle range information is (n1, n2), the terminal device is instructed to feed back the sensing information of all position points with a vertical angle between n1 and n2, n1 is greater than or equal to 0, and n2 is greater than or equal to 0.

[0134] In a possible implementation, the position information instructs the terminal device to feed back the sensing information of the target sensing area corresponding to the position information. For example, when the position information is (x1, y1, z1), the terminal device is instructed to feed back the sensing information of the target sensing area with a position coordinate of (x1, y1, z1).

[0135] Exemplarily, when the indication information comprises distance index information k' and horizontal angle index information m', the indication information is used to instruct the terminal device to feed back the perception information of all the position points with distance k' and horizontal angle m'.

[0136] Exemplarily, when the indication information comprises distance index information k' and vertical angle index information n', the indication information is used to instruct the terminal device to feed back the perception information of all the position points with distance k' and vertical angle n'.

[0137] Exemplarily, when the indication information comprises vertical angle index information n' and horizontal angle index information m', the indication information is used to instruct the terminal device to feed back the perception information of all the position points with horizontal angle m' and vertical angle n'.

[0138] Exemplarily, when the indication information comprises distance index information k', vertical angle index information n' and horizontal angle index information m', the indication information is used to instruct the terminal device to feed back the perception information of all the position points with distance k', horizontal angle m' and vertical angle n'.

[0139] For the convenience of understanding, the indication information is introduced in combination with FIG. 8. Taking the shaded area as a target perception area, the horizontal range of the target perception area is [1, 5], and the vertical angle range is [1, 3]. Then the indication information is (1, 5, 1, 3), wherein "1, 5" is horizontal angle range information, and "1, 3" is vertical angle range information.

[0140] Further, the bit number occupied by the distance range information, the horizontal angle range information, or the vertical angle range information is as follows: distance range information k1, k2 ∈ [0, K-1], horizontal angle range information m1, m2 ∈ [0, M-1], vertical angle range information n1, n2 ∈ [0, N-1], and the bit number of each value is respectively wherein K is an integer greater than or equal to 1, M is an integer greater than or equal to 1, and N is an integer greater than or equal to 1.

[0141] For the convenience of understanding, the indication information is introduced in combination with FIG. 9, which is another schematic diagram of a target perception area in the embodiment of the present application. The shaded area shown in FIG. 9 corresponds to horizontal angle index information and vertical angle index information as follows: (0, 0), (0, 1), (0, 2), (1, 0), (1, 1) and (1, 2).

[0142] Further, the bit number occupied by the distance index information, the horizontal angle index information, or the vertical angle index information is as follows: distance index information k' ∈ [0, A0-1], horizontal angle index information m' ∈ [0, A1-1], vertical angle index information n' ∈ [0, A2-1], and the bit number of each value is respectively Where A0 is an integer greater than or equal to 1, A1 is an integer greater than or equal to 1, and A2 is an integer greater than or equal to 1.

[0143] This instruction information can be carried in various signaling, messages, or information, including but not limited to: downlink control information (DCI) or radio resource control (RRC) signaling.

[0144] Optionally, when the indication information is index information (distance index information, horizontal angle index information, and / or vertical angle index information), the indication information can also instruct the terminal device to feed back the power values ​​of all location points within the target sensing area corresponding to the index information. For example, as shown in Figure 9, the target sensing area for each location point includes four more granular sub-regions, each sub-region corresponding to one location point. For example, the sensing area corresponding to the indication information (1,1) includes four sub-regions. This indication information can also be used to instruct the terminal device to feed back the power values ​​of the location points corresponding to each sub-region included in the target sensing area. Taking the indication information including (1,1) as an example, the terminal device can feed back the power values ​​of the four location points corresponding to (1,1), each location point corresponding to a sub-region within the target sensing area.

[0145] S3. The terminal device sends sensing information to the network device.

[0146] In step S3, the terminal device responds to the indication information, determines the target sensing area, and then sends sensing information of one or more location points included in the target sensing area to the network device.

[0147] The following sections explain how the terminal device feeds back sensing information when the indication information includes range information (distance range information, horizontal angle range information, and / or vertical angle range information) or index information (distance index information, horizontal angle index information, and / or vertical angle index information).

[0148] Method 1: The instruction information includes range information:

[0149] Exemplarily, when the indication information comprises distance range information, horizontal angle range information and vertical angle range information, for example, the indication information is (k1, k2, m1, m2, n1, n2). According to the indication information, the terminal device determines that the distance range of the target sensing area is [k1, k2], the horizontal angle range of the target sensing area is [m1, m2], and the vertical angle range of the target sensing area is [n1, n2]. In the target sensing area indicated by the indication information, there are totally (k2-k1+1)(m2-m1+1)(n2-n1+1) position points. The position point corresponding to the k+(k2-k1+1)(m-1)+(k2-k1+1)(m2-m1+1)(n-1)th power value is the position point with distance index k, horizontal angle index m and vertical angle index n.

[0150] In yet another example, when the indication information comprises horizontal angle range information and vertical angle range information, for example, the indication information is (m1, m2, n1, n2). According to the indication information, the terminal device determines that the distance range of the target sensing area is [0, K-1], the horizontal angle range of the target sensing area is [m1, m2], and the vertical angle range of the target sensing area is [n1, n2].

[0151] For example, the target sensing area shown in FIG. 8 is taken as an example, that is, the indication information comprises (1, 5, 1, 3), which indicates that the target sensing area is a part of the area with distance range from 1 to 5 and horizontal angle range from 1 to 3. In response to the indication information, the sensing information fed back by the terminal device comprises K*5*3 power values, wherein the first power value corresponds to the position point with distance index 0, horizontal angle index 1 and vertical angle index 1; the second power value corresponds to the position point with distance index 1, horizontal angle index 1 and vertical angle index 1; the Kth power value corresponds to the position point with distance index 0, horizontal angle index 2 and vertical angle index 1; and the 5Kth power value corresponds to the position point with distance index 0, horizontal angle index 1 and vertical angle index 2.

[0152] Mode two: the indication information comprises index information:

[0153] In a possible implementation, when the index information comprised by the indication information indicates one or more position points, the terminal device feeds back the power values corresponding to the one or more position points.

[0154] Exemplarily, when the indication information comprises distance index information k', vertical angle index information n' and horizontal angle index information m', the terminal device feeds back the power value of the position point (k', m', n').

[0155] In another possible implementation, in order to save signaling overhead, the sensing information fed back by the terminal device can further include: a power value of the location group and a power adjustment coefficient of the location point, wherein the sum of the power adjustment coefficient of the location point and the power value of the location group to which the location point belongs is the power value of the location point.

[0156] For example, the indication information is (k', m', n'), and the terminal device determines that the target sensing area is the area corresponding to (k', m', n'). The (k', m', n') area further includes O0O1O2 sub-areas, wherein O0 is a positive integer greater than 0, O0 indicates the range of the sub-areas included in the target sensing area in the distance dimension, O1 is a positive integer greater than 0, O1 indicates the range of the sub-areas included in the target sensing area in the horizontal angle dimension, and O2 is a positive integer greater than 0, O2 indicates the range of the sub-areas included in the target sensing area in the vertical angle dimension. The sensing information can specifically include: a power value of the location group (k', m', n'), which indicates the power value of the coarse-grained location point corresponding to (k', m', n'); and the sensing information further includes O0O1O2 power adjustment coefficients of the location points. According to the power adjustment coefficient and the power value of the location group, the power value of the location point corresponding to any sub-area included in (k', m', n') can be determined.

[0157] For example, the target sensing area shown in FIG. 9, and the indication information is (1, 1). The sensing information fed back by the terminal device is: 10, 0.1, 0.2, -0.1, 0.5, wherein the power value of the distance group (1, 1) in the sensing information is 10, and the power adjustment coefficients of the location points are "0.1, 0.2, -0.1, 0.5". According to the power value of the distance group and the power adjustment coefficient of each location point, the power values of the location points in each sub-area in the target sensing area can be determined: 10.1, 10.2, 9.9, 10.5.

[0158] The sensing information corresponding to the target sensing area fed back by the terminal device described above collectively constitutes a sensing information codebook.

[0159] In the embodiments of the present application, the network device indicates the terminal device to feed back the sensing information of part of the sensing areas through the indication information, so as to reduce the communication resources occupied by the terminal device in feeding back the sensing information and reduce the communication overhead.

[0160] In combination with the foregoing embodiments, another possible implementation of the embodiments of the present application will be introduced. Please refer to FIG. 10, which is a flowchart of an embodiment of a communication method in the embodiments of the present application. The communication method proposed in the embodiments of the present application includes the following steps.

[0161] D1. The network device sends configuration information to the terminal device.

[0162] Step D1 is an optional step. When the configuration information is pre-configured in the terminal device, step D1 is not needed to be performed.

[0163] In step D1, the network device sends the configuration information to the terminal device, the configuration information is used to configure the association relationship between the priority of the perception information and the confidence of the perception information, and / or, the configuration information is used to configure the association relationship between the priority of the perception information and the normalized power value of the perception information.

[0164] Next, first introduce the association relationship between the priority of the perception information and the confidence of the perception information. It is assumed that the confidence of the perception information of each location point is defined as The corresponding relationship between the P-level priority and the confidence is shown in Table 2:

[0165] Table 2

[0166] Secondly, introduce the priority of the perception information and the normalized power value of the perception information. It is assumed that the normalized power value of the perception information of each location point is defined as The corresponding relationship between the P-level priority and the normalized power value is shown in Table 3:

[0167] Table 3

[0168] D2, the network device sends the indication information to the terminal device, the indication information is used to instruct the terminal device to feed back the perception information of the target priority.

[0169] In step D2, the network device determines one or more target priorities, and then instructs the terminal device to feed back the perception information corresponding to the target priority through the indication information.

[0170] The indication information can be carried in various signaling, messages or information, including but not limited to: downlink control information (DCI) or radio resource control (RRC) signaling.

[0171] D3, the terminal device sends the perception information to the network device.

[0172] In step D3, the terminal device sends the perception information corresponding to the target priority to the network device in response to the indication information. The specific manner is similar to the aforementioned step S3, which is not described here.

[0173] For example, when the indication information is used to instruct the terminal device to feed back the perception information with a priority of 1, the terminal device sends all the perception information with a priority of 1 to the network device.

[0174] Optionally, the terminal device can also select the sensing information of the specific priority autonomously and feed back to the network device without the indication information of the network device.

[0175] In the embodiments of the present application, the network device indicates the terminal device to feed back the sensing information of part of the sensing area through the indication information, so as to reduce the communication resources occupied by the terminal device in feeding back the sensing information and reduce the communication overhead. The mapping relationship between the priority and the sensing information is agreed in advance between the network device and the terminal device, and the terminal device can feed back the sensing information of the specific priority, so that the feedback overhead can be reduced.

[0176] The above describes the present application from the perspective of the method, and the following further describes other embodiments provided by the present application.

[0177] Please refer to FIG. 11, which is a schematic diagram of one implementation of the communication apparatus provided by the present application. The communication apparatus 1100 includes a processing unit 1101 and a transceiver unit 1102. The communication apparatus 1100 can realize the functions of the communication apparatus (including the network device and the terminal device, etc.) in the above method embodiments, and thus can also realize the beneficial effects possessed by the above method embodiments. In the embodiments of the present application, the communication apparatus 1100 can be a network device, or an integrated circuit or element inside the network device, such as a chip. The following embodiments take the communication apparatus 1100 as the network device for example.

[0178] In one example, the communication apparatus 1100 is applied to a network device, and the communication apparatus 1100 includes:

[0179] The transceiver unit 1102 is configured to send the indication information, and the indication information is used to indicate the terminal device to feed back the sensing information of the target sensing area, and / or the indication information is used to indicate the terminal device to feed back the sensing information of the target priority, wherein the target sensing area is smaller than the sensing area of the network device.

[0180] The transceiver unit 1102 is further configured to receive the sensing information fed back by the terminal device, and the sensing information is determined by the indication information.

[0181] In one possible implementation, the indication information includes any one or more of the following information:

[0182] The distance information, the horizontal angle information, the vertical angle information, the position information, or the target priority information, wherein,

[0183] The distance information indicates the relative distance between the target sensing area and the network device,

[0184] The horizontal angle information indicates the horizontal angle between the target sensing area and the network device,

[0185] the vertical angle information indicates a vertical angle of the target awareness area and the network device,

[0186] the position information indicates a position of the target awareness area,

[0187] the target priority information indicates a priority of the awareness information to be fed back by the terminal device.

[0188] In a possible implementation, the distance information comprises distance index information or distance range information.

[0189] The horizontal angle information comprises horizontal angle index information or horizontal angle range information.

[0190] The vertical angle information comprises vertical angle index information or vertical angle range information.

[0191] In a possible implementation,

[0192] The transceiver 1102 is further configured to send configuration information, the configuration information being used to configure an association relationship between a priority of awareness information and a confidence degree of the awareness information, and / or the configuration information being used to configure an association relationship between the priority of the awareness information and a normalized power value of the awareness information.

[0193] In a possible implementation,

[0194] The transceiver 1102 is further configured to receive the awareness information of one or more position points included in the target awareness area fed back by the terminal device, and / or one or more pieces of the awareness information corresponding to the target priority fed back by the terminal device.

[0195] In a possible implementation, the target awareness area comprises one or more position groups, each of the position groups comprises one or more position points, and the awareness information further comprises a power value of the position group and a power adjustment coefficient of the position point, wherein a sum of the power adjustment coefficient of the position point and the power value of the position group to which the position point belongs is a power value of the position point.

[0196] In a possible implementation,

[0197] The transceiver 1102 is further configured to acquire historical awareness information, the historical awareness information comprising awareness information corresponding to one or more awareness areas acquired by the network device historically.

[0198] The processing unit 1101 is configured to determine the target awareness area according to the historical awareness information.

[0199] In a possible implementation, the target awareness area includes an awareness area in the historical awareness information indicating that there is a target, and the target is an object reflecting the awareness signal.

[0200] In another example, the communication apparatus 1100 is applied to a terminal device, and the communication apparatus 1100 includes:

[0201] The transceiver 1102 is configured to receive indication information sent by a network device, the indication information being used to instruct the terminal device to feed back awareness information of a target awareness area, and / or the indication information being used to instruct the terminal device to feed back awareness information of a target priority, wherein the target awareness area is smaller than an awareness signal coverage area of the network device.

[0202] The transceiver 1102 is further configured to send the awareness information to the network device, the awareness information being determined by the indication information.

[0203] In a possible implementation,

[0204] The indication information includes any one or more of the following information:

[0205] distance information, horizontal angle information, vertical angle information, position information, or target priority information, wherein

[0206] The distance information indicates a relative distance between the target awareness area and the network device.

[0207] The horizontal angle information indicates a horizontal angle between the target awareness area and the network device.

[0208] The vertical angle information indicates a vertical angle between the target awareness area and the network device.

[0209] The position information indicates a position of the target awareness area.

[0210] The target priority information indicates a priority of the awareness information to be fed back by the terminal device.

[0211] In a possible implementation,

[0212] The distance information includes distance index information or distance range information.

[0213] The horizontal angle information includes horizontal angle index information or horizontal angle range information.

[0214] The vertical angle information includes vertical angle index information or vertical angle range information.

[0215] In a possible implementation,

[0216] The transceiver 1102 is further configured to receive configuration information sent by the network device, the configuration information being used to configure an association relationship between a priority of perception information and a confidence level of the perception information, and / or the configuration information being used to configure an association relationship between the priority of the perception information and a normalized power value of the perception information.

[0217] In a possible implementation, the target perception area includes one or more location groups, and each of the one or more location groups includes one or more location points.

[0218] The transceiver 1102 is further configured to send, to the network device, the perception information of one or more location points included in the target perception area and / or one or more pieces of the perception information corresponding to the target priority.

[0219] In a possible implementation, the target perception area includes one or more location groups, and each of the one or more location groups includes one or more location points.

[0220] The target perception area includes one or more location groups, and each of the one or more location groups includes one or more location points, the perception information further includes a power value of the location group and a power adjustment coefficient of the location point, and a sum of the power adjustment coefficient of the location point and the power value of the location group to which the location point belongs is the power value of the location point.

[0221] Referring to FIG. 12, another schematic structural diagram of a communication apparatus 1200 is provided, and the communication apparatus 1200 at least includes an input / output interface 1202. The communication apparatus 1200 can be a chip or an integrated circuit.

[0222] Optionally, the communication apparatus further includes a logic circuit 1201.

[0223] The transceiver 1102 shown in FIG. 11 can be a communication interface, which can be the input / output interface 1202 in FIG. 12. The input / output interface 1202 can include an input interface and an output interface. Alternatively, the communication interface can be a transceiver circuit, which can include an input interface circuit and an output interface circuit.

[0224] The logic circuit 1201 and the input / output interface 1202 can also perform other steps and achieve corresponding beneficial effects, which are performed by the communication apparatus in any of the embodiments, and details are not described herein.

[0225] In a possible implementation, the processing unit 1101 shown in FIG. 11 can be the logic circuit 1201 in FIG. 12.

[0226] Optionally, the logic circuit 1201 can be a processing apparatus, and the functions of the processing apparatus can be partially or entirely implemented through software.

[0227] Optionally, the processing apparatus can include a memory and a processor, wherein the memory is configured to store a computer program, and the processor is configured to read and execute the computer program stored in the memory to perform the corresponding processing and / or steps in any one of the method embodiments.

[0228] Optionally, the processing apparatus can only include the processor. The memory for storing the computer program is located outside the processing apparatus, and the processor is connected with the memory through the circuit / wire to read and execute the computer program stored in the memory. The memory and the processor can be integrated together, or can be physically independent of each other.

[0229] Optionally, the processing apparatus can be one or more chips, or one or more integrated circuits. For example, the processing apparatus can be one or more field-programmable gate arrays (FPGA), application specific integrated circuits (ASIC), system on chips (SoC), central processor units (CPU), network processors (NP), digital signal processors (DSP), micro controller units (MCU), programmable logic devices (PLD) or other integrated chips, or any combination of the above chips or processors, etc.

[0230] Please refer to FIG. 13, the communication apparatus 1300 involved in the above embodiments provided by the embodiments of the present application, which can be specifically the communication apparatus as the network device or the terminal device in the above embodiments.

[0231] Optionally, the communication apparatus 1300 can include but is not limited to at least one processor 1301 and a communication port 1302.

[0232] Further optionally, the apparatus can further include at least one of a memory 1303, a bus 1304, and the like. In the embodiments of the present application, the at least one processor 1301 is configured to control and process the actions of the communication apparatus 1300.

[0233] In addition, the processor 1301 can be a central processing unit, a general purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array, or other programmable logic device, transistor logic device, hardware component, or any combination thereof. It can implement or execute various exemplary logical blocks, modules, and circuits described in connection with the disclosure. The processor can also be a combination of implementing computing functions, such as a combination of one or more microprocessors, a combination of a digital signal processor and a microprocessor, and the like. Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working processes of the above-described system, device, and unit can refer to the corresponding processes in the foregoing method embodiments, which will not be described here.

[0234] It should be noted that the communication device 1300 shown in FIG. 13 can be specifically used to implement the steps implemented by the network device or the terminal device in the foregoing method embodiments, and achieve the corresponding technical effects of the network device or the terminal device. The specific implementation of the communication device shown in FIG. 13 can refer to the description in the foregoing method embodiments, which will not be described one by one here.

[0235] Please refer to FIG. 14, which is a structural schematic diagram of a communication device 1400 involved in the foregoing embodiments provided by the embodiments of the present application. The communication device 1400 can be specifically the communication device as the network device or the terminal device in the foregoing embodiments. The structure of the communication device can refer to the structure shown in FIG. 14.

[0236] The communication device 1400 includes at least one processor 1410 and at least one network interface 1440. Further optionally, the communication device further includes at least one memory 1420, at least one transceiver 1430, and one or more antennas 1450. The processor 1410, the memory 1420, the transceiver 1430, and the network interface 1440 are connected, for example, through a bus. In the embodiments of the present application, the connection can include various interfaces, transmission lines, or buses, etc., which are not limited in the embodiments. The antenna 1450 is connected to the transceiver 1430. The network interface 1440 is used for enabling the communication device to communicate with other communication devices through a communication link. For example, the network interface 1440 can include a network interface between the communication device and the core network device, such as an S1 interface. The network interface can include a network interface between the communication device and other communication devices (such as other network devices or terminal devices or core network devices), such as an X2 or Xn interface.

[0237] The processor 1410 is mainly used for processing communication protocols and communication data, and controlling the whole communication device, executing software programs, processing data of the software programs, such as for supporting the communication device to perform the actions described in the embodiments. The communication device can include a baseband processor mainly used for processing communication protocols and communication data, and a central processor mainly used for controlling the whole network device or terminal device, executing software programs, and processing data of the software programs. The processor 1410 in FIG. 14 can integrate the functions of the baseband processor and the central processor, and those skilled in the art can understand that the baseband processor and the central processor can also be independent processors interconnected by a bus or the like. Those skilled in the art can understand that the network device or the terminal device can include multiple baseband processors to adapt to different network standards, and the network device or the terminal device can include multiple central processors to enhance the processing capability, and various components of the network device or the terminal device can be connected by various buses. The baseband processor can also be referred to as a baseband processing circuit or a baseband processing chip. The central processor can also be referred to as a central processing circuit or a central processing chip. The function of processing communication protocols and communication data can be built in the processor, or stored in the memory in the form of software programs, and the processor executes the software programs to realize the baseband processing function.

[0238] The memory is mainly used for storing software programs and data. The memory 1420 can exist independently and be connected with the processor 1410. Alternatively, the memory 1420 can be integrated with the processor 1410, for example, integrated in a chip. The memory 1420 can store program codes for executing the technical solutions of the embodiments of the present application, and the processor 1410 controls the execution. Various computer programs executed can also be regarded as the driver of the processor 1410.

[0239] FIG. 14 only shows one memory and one processor. In actual network devices or terminal devices, multiple processors and multiple memories can exist. The memory can also be referred to as a storage medium or a storage device, etc. The memory can be a storage element on the same chip as the processor, that is, an on-chip storage element, or an independent storage element, and the embodiments of the present application do not limit this.

[0240] The transceiver 1430 can be configured to support the receiving or transmitting of radio frequency signals between the communication device and a terminal. The transceiver 1430 can be connected to the antenna 1450. The transceiver 1430 includes a transmitter Tx and a receiver Rx. Specifically, one or more antennas 1450 can receive radio frequency signals, the receiver Rx of the transceiver 1430 is configured to receive the radio frequency signals from the antenna and convert the radio frequency signals into digital baseband signals or digital intermediate frequency signals, and provide the digital baseband signals or digital intermediate frequency signals to the processor 1410 for further processing, such as demodulation processing and decoding processing, by the processor 1410. In addition, the transmitter Tx in the transceiver 1430 is also configured to receive modulated digital baseband signals or digital intermediate frequency signals from the processor 1410, and convert the modulated digital baseband signals or digital intermediate frequency signals into radio frequency signals, and transmit the radio frequency signals through one or more antennas 1450. Specifically, the receiver Rx can selectively perform one or more levels of down-mixing and analog-to-digital conversion to obtain digital baseband signals or digital intermediate frequency signals, and the order of the down-mixing and analog-to-digital conversion can be adjustable. The transmitter Tx can selectively perform one or more levels of up-mixing and digital-to-analog conversion to obtain radio frequency signals, and the order of the up-mixing and digital-to-analog conversion can be adjustable. The digital baseband signals and the digital intermediate frequency signals can be collectively referred to as digital signals.

[0241] The transceiver 1430 can also be referred to as a transceiving unit, a transceiver, a transceiving device, etc. Optionally, the devices in the transceiving unit for implementing the receiving function can be regarded as a receiving unit, and the devices in the transceiving unit for implementing the transmitting function can be regarded as a transmitting unit, that is, the transceiving unit includes the receiving unit and the transmitting unit, the receiving unit can also be referred to as a receiver, an input port, a receiving circuit, etc., and the transmitting unit can be referred to as a transmitter, a transmitter, or a transmitting circuit, etc.

[0242] It should be noted that the communication device 1400 shown in FIG. 14 can be specifically configured to implement the steps implemented by the network device or the terminal device in the foregoing method embodiments, and achieve the corresponding technical effects of the network device or the terminal device. The specific implementation mode of the communication device 1400 shown in FIG. 14 can be referred to the description in the foregoing method embodiments, which will not be described one by one here. The embodiments of the present application also provide a computer readable storage medium storing one or more computer execution instructions, when the computer execution instructions are executed by a processor, the processor executes the method of the possible implementation mode of the network device or the terminal device as described in the foregoing embodiments.

[0243] The embodiments of the present application further provide a computer program product (or computer program) storing one or more computers, when the computer program product is executed by the processor, the processor executes the method of the possible implementation manners of the network device or the terminal device.

[0244] The embodiments of the present application further provide a chip system, which comprises at least one processor for supporting the communication device to implement the functions involved in the possible implementation manners of the communication device. Optionally, the chip system further comprises an interface circuit for providing the at least one processor with program instructions and / or data. In a possible design, the chip system can further comprise a memory for storing the necessary program instructions and data of the communication device. The chip system can be composed of a chip, or can comprise the chip and other discrete devices, and the communication device can be specifically the network device or the terminal device in the foregoing method embodiments.

[0245] The embodiments of the present application further provide a communication system, which comprises the network device or the terminal device in any of the foregoing embodiments.

[0246] In several embodiments provided in the present application, it should be understood that the disclosed system, device and method can be implemented by other means. For example, the device embodiments described above are merely illustrative, for example, the division of units is merely a logical function division, and actual implementation can have another division manner, for example, a plurality of units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the coupling or direct coupling or communication connection between the units shown or discussed can be indirect coupling or communication connection through some interfaces, devices or units, and can be electrical, mechanical or other forms.

[0247] The units described as separate components can or can not be physically separate, and the components shown as units can or can not be physical units, that is, can be located in one place, or can be distributed on a plurality of network units. According to actual needs, part or all of the units can be selected to achieve the purpose of the embodiment scheme.

[0248] In addition, each of the functional units in the various embodiments of the present application can be integrated in one processing unit, or each unit can exist physically independently, or two or more units can be integrated in one unit. The integrated unit can be implemented in the form of hardware or in the form of a software functional unit. When the integrated unit is implemented in the form of 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 solutions of the present application, essentially or in the form of a contribution, or all or part of the technical solutions can be embodied in the form of a software product. The computer software product is stored in a storage medium, and includes several instructions for causing a computer device (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the various embodiments of the method of the present application. The aforementioned storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM, Read-Only Memory), a random access memory (RAM, Random Access Memory), a magnetic disk or an optical disk, and various media that can store program codes.

Claims

1. A communication method characterized by comprising: The method is applied to a network device, and the method comprises: sending indication information, the indication information being used for instructing a terminal device to feed back sensing information of a target sensing area, and / or the indication information being used for instructing the terminal device to feed back sensing information of a target priority, wherein the target sensing area is smaller than a sensing area of the network device; receiving the sensing information fed back by the terminal device, the sensing information being determined by the indication information.

2. The method of claim 1, wherein, The indication information comprises any one or more of the following information: distance information, horizontal angle information, vertical angle information, position information, or target priority information, wherein the distance information indicates a relative distance between the target sensing area and the network device, the horizontal angle information indicates a horizontal angle between the target sensing area and the network device, the vertical angle information indicates a vertical angle between the target sensing area and the network device, the position information indicates a position of the target sensing area, and the target priority information indicates a priority of the sensing information to be fed back by the terminal device.

3. The method of claim 2, wherein the distance information comprises distance index information or distance range information, the horizontal angle information comprises horizontal angle index information or horizontal angle range information, and the vertical angle information comprises vertical angle index information or vertical angle range information.

4. The method according to any one of claims 1 to 3, characterized in that, The method further comprises: sending configuration information, the configuration information being used for configuring an association relationship between a priority of sensing information and a confidence degree of the sensing information, and / or the configuration information being used for configuring an association relationship between the priority of the sensing information and a normalized power value of the sensing information.

5. The method according to any one of claims 1-4, characterized in that, receiving the sensing information fed back by the terminal device comprises: receiving the sensing information of one or more position points comprised in the target sensing area fed back by the terminal device, and / or one or more pieces of the sensing information corresponding to the target priority fed back by the terminal device.

6. The method of claim 5, wherein the target sensing area comprises one or more position groups, each of the position groups comprises one or more position points, and the sensing information further comprises a power value of the position group and a power adjustment coefficient of the position point, wherein the sum of the power adjustment coefficient of the position point and the power value of the position group to which the position point belongs is a power value of the position point.

7. The method according to any one of claims 1 to 4, characterized in that, The method further comprises: obtaining historical sensing information, the historical sensing information comprising sensing information corresponding to one or more sensing areas obtained by the network device in the past; determining the target sensing area according to the historical sensing information.

8. The method of claim 7, wherein, The target sensing area comprises a sensing area in the historical sensing information indicating the presence of a target, and the target is an object reflecting a sensing signal.

9. A communication method characterized by comprising: The method is applied to a terminal device, and the method comprises: sending indication information, the indication information being used for instructing a network device to feed back sensing information of a target sensing area, and / or the indication information being used for instructing the network device to feed back sensing information of a target priority, wherein the target sensing area is smaller than a sensing area of the network device; receiving the sensing information fed back by the network device, the sensing information being determined by the indication information. receive indication information sent by a network device, the indication information being used to indicate that a terminal device feeds back sensing information of a target sensing area, and / or the indication information being used to indicate that the terminal device feeds back sensing information of a target priority, wherein the target sensing area is smaller than a sensing signal coverage area of the network device; send the sensing information to the network device, the sensing information being determined by the indication information.

10. The method of claim 9, wherein, The indication information includes any one or more of the following information: distance information, horizontal angle information, vertical angle information, position information, or target priority information, wherein the distance information indicates a relative distance between the target sensing area and the network device, the horizontal angle information indicates a horizontal angle between the target sensing area and the network device, the vertical angle information indicates a vertical angle between the target sensing area and the network device, the position information indicates a position of the target sensing area, and the target priority information indicates a priority of the sensing information to be fed back by the terminal device.

11. The method of claim 10, wherein the distance information includes distance index information or distance range information; the horizontal angle information includes horizontal angle index information or horizontal angle range information; and the vertical angle information includes vertical angle index information or vertical angle range information.

12. The method according to any one of claims 9-11, characterized in that, The method further includes: receiving configuration information sent by the network device, the configuration information being used to configure an association relationship between a priority of sensing information and a confidence level of the sensing information, and / or the configuration information being used to configure an association relationship between the priority of the sensing information and a normalized power value of the sensing information.

13. The method according to any one of claims 9-12, characterized in that, sending the sensing information to the network device includes: sending, to the network device, the sensing information of one or more position points included in the target sensing area, and / or one or more sensing information corresponding to the target priority.

14. The method of claim 13, wherein the target sensing area includes one or more position groups, each of the position groups including one or more position points, and the sensing information further includes a power value of the position group and a power adjustment coefficient of the position point, wherein the sum of the power adjustment coefficient of the position point and the power value of the position group to which the position point belongs is a power value of the position point.

15. A communications device, characterized by The apparatus includes a transceiver unit and a processing unit, and the communication apparatus is configured to perform the method of any one of the preceding claims 1-14.

16. A communication system, characterized by The communication system includes a terminal device and / or a network device; The network device is configured to perform the method of any one of the preceding claims 1-8, and / or the terminal device is configured to perform the method of any one of the preceding claims 9-14.

17. A communications device, characterized by The communication apparatus includes a processor and a memory, the memory being configured to store program code, and the processor being configured to invoke the program code in the memory to cause the communication apparatus to perform the method of any one of the preceding claims 1-14.

18. A computer-readable storage medium, characterized in that, The computer readable storage medium stores instructions which, when run on a processor, perform the method of any of the preceding claims 1-14.

19. A computer program product, characterised in that, A computer program is included which, when run on a processor, performs the method of any of the preceding claims 1-14.

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